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path: root/modules/libpref/init/StaticPrefList.yaml
blob: f32cab17d8b526bf9fb977643117aade5aeb8385 (plain)
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# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/. */

# This file defines static prefs, i.e. those that are defined at startup and
# used entirely or mostly from C++ and/or Rust code.
#
# The file is separated into sections, where each section contains a group of
# prefs that all share the same first segment of their name -- all the "gfx.*"
# prefs are together, all the "network.*" prefs are together, etc. Sections
# must be kept in alphabetical order, but prefs within sections need not be.
#
# Basics
# ------
# Any pref defined in one of the files included here should *not* be defined
# in a data file such as all.js; that would just be useless duplication.
#
# (Except under unusual circumstances where the value defined here must be
# overridden, e.g. for some Thunderbird prefs. In those cases the default
# value from the data file will override the static default value defined
# here.)
#
# Please follow the existing prefs naming convention when considering adding a
# new pref, and don't create a new pref group unless it's appropriate and there
# are likely to be multiple prefs within that group. (If you do, you'll need to
# update the `pref_groups` variable in modules/libpref/moz.build.)
#
# Definitions
# -----------
# A pref definition looks like this:
#
#   - name: <pref-name>                    # mandatory
#     type: <cpp-type>                     # mandatory
#     value: <default-value>               # mandatory
#     mirror: <never | once | always>      # mandatory
#     do_not_use_directly: <true | false>  # optional
#     include: <header-file>               # optional
#     rust: <true | false>                 # optional
#
# - `name` is the name of the pref, without double-quotes, as it appears
#   in about:config. It is used in most libpref API functions (from both C++
#   and JS code).
#
# - `type` is one of `bool`, `int32_t`, `uint32_t`, `float`, an atomic version
#   of one of those, `String` or `DataMutexString`. Note that float prefs are
#   stored internally as strings. The C++ preprocessor doesn't like template
#   syntax in a macro argument, so use the typedefs defined in
#   StaticPrefsBase.h; for example, use `RelaxedAtomicBool` instead of
#   `Atomic<bool, Relaxed>`.
#
# - `value` is the default value. Its type should be appropriate for
#   <cpp-type>, otherwise the generated code will fail to compile. A complex
#   C++ numeric expressions like `60 * 60` (which the YAML parser cannot treat
#   as an integer or float) is treated as a string and passed through without
#   change, which is useful.
#
# - `mirror` indicates how the pref value is mirrored into a C++ variable.
#
#   * `never`: There is no C++ mirror variable. The pref value can only be
#     accessed via the standard libpref API functions.
#
#   * `once`: The pref value is mirrored into a variable at startup; the
#     mirror variable is left unchanged after that. (The exact point at which
#     all `once` mirror variables are set is when the first `once` mirror
#     variable is accessed, via its getter function.) This is mostly useful for
#     graphics prefs where we often don't want a new pref value to apply until
#     restart. Otherwise, this update policy is best avoided because its
#     behaviour can cause confusion and bugs.
#
#   * `always`: The mirror variable is always kept in sync with the pref value.
#     This is the most common choice.
#
#   When a mirror variable is present, a getter will be created that can access
#   it. Using the getter function to read the pref's value has the two
#   following advantages over the normal API functions.
#
#   * A direct variable access is faster than a hash table lookup.
#
#   * A mirror variable can be accessed off the main thread. If a pref *is*
#     accessed off the main thread, it should have an atomic type. Assertions
#     enforce this.
#
#   Note that Rust code must access the mirror variable directly, rather than
#   via the getter function.
#
# - `do_not_use_directly` indicates if `_DoNotUseDirectly` should be appended to
#   the name of the getter function. This is simply a naming convention
#   indicating that there is some other wrapper getter function that should be
#   used in preference to the normal static pref getter. Defaults to `false` if
#   not present. Cannot be used with a `never` mirror value, because there is
#   no getter function in that case.
#
# - `include` names a header file that must be included for the pref value to
#   compile correctly, e.g. because it refers to a code constant. System
#   headers should be surrounded with angle brackets, e.g. `<cmath>`.
#
# - `rust` indicates if the mirror variable is used by Rust code. If so, it
#   will be usable via the `static_prefs::pref!` macro, e.g.
#   `static_prefs::pref!("layout.css.font-display.enabled")`.
#
# The getter function's base name is the same as the pref's name, but with
# '.' or '-' chars converted to '_', to make a valid identifier. For example,
# the getter for `foo.bar_baz` is `foo_bar_baz()`. This is ugly but clear,
# and you can search for both the pref name and the getter using the regexp
# /foo.bar.baz/. Suffixes are added as follows:
#
# - If the `mirror` value is `once`, `_AtStartup` is appended, to indicate the
#   value was obtained at startup.
#
# - If the `do_not_use_directly` value is true, `_DoNotUseDirectly` is
#   appended.
#
# Preprocessor
# ------------
# Note finally that this file is preprocessed by preprocessor.py, not the C++
# preprocessor. As a result, the following things may be surprising.
#
# - YAML comments start with a '#', so putting a comment on the same line as a
#   preprocessor directive is dubious. E.g. avoid lines like `#define X 3 #
#   three` because the ` # three` will be part of `X`.
#
# - '@' use is required for substitutions to occur. E.g. with `#define FOO 1`,
#   `FOO` won't be replaced with `1` unless it has '@' chars around it.
#
# - Spaces aren't permitted between the leading '#' and the name of a
#   directive, e.g. `#ifdef XYZ` works but `# ifdef XYZ` does not.
#
# Please indent all prefs defined within #ifdef/#ifndef conditions. This
# improves readability, particular for conditional blocks that exceed a single
# screen. But note that the leading '-' in a definition must remain in the
# first column for it to be valid YAML.

#ifdef RELEASE_OR_BETA
#define IS_NOT_RELEASE_OR_BETA false
#else
#define IS_NOT_RELEASE_OR_BETA true
#endif

#ifdef NIGHTLY_BUILD
#define IS_NIGHTLY_BUILD      true
#define IS_NOT_NIGHTLY_BUILD  false
#else
#define IS_NIGHTLY_BUILD      false
#define IS_NOT_NIGHTLY_BUILD  true
#endif

#if defined(NIGHTLY_BUILD) || defined(MOZ_DEV_EDITION)
#define IS_NIGHTLY_OR_DEV_EDITION true
#else
#define IS_NIGHTLY_OR_DEV_EDITION false
#endif

#ifdef MOZILLA_OFFICIAL
#define IS_NOT_MOZILLA_OFFICIAL false
#else
#define IS_NOT_MOZILLA_OFFICIAL true
#endif

#ifdef EARLY_BETA_OR_EARLIER
#define IS_EARLY_BETA_OR_EARLIER true
#define IS_NOT_EARLY_BETA_OR_EARLIER false
#else
#define IS_EARLY_BETA_OR_EARLIER false
#define IS_NOT_EARLY_BETA_OR_EARLIER true
#endif

#ifdef ANDROID
#define IS_ANDROID true
#define IS_NOT_ANDROID false
#else
#define IS_ANDROID false
#define IS_NOT_ANDROID true
#endif

#ifdef XP_WIN
#define IS_XP_WIN true
#define IS_NOT_XP_WIN false
#else
#define IS_XP_WIN false
#define IS_NOT_XP_WIN true
#endif

#---------------------------------------------------------------------------
# Prefs starting with "accessibility."
#---------------------------------------------------------------------------

- name: accessibility.accesskeycausesactivation
  type: bool
  value: true
  mirror: always

- name: accessibility.monoaudio.enable
  type: RelaxedAtomicBool
  value: false
  mirror: always

- name: accessibility.browsewithcaret
  type: RelaxedAtomicBool
  value: false
  mirror: always

- name: accessibility.AOM.enabled
  type: bool
  value: false
  mirror: always

- name: accessibility.ARIAReflection.enabled
  type: bool
  value: @IS_NIGHTLY_BUILD@
  mirror: always

# Whether form controls and images should be focusable with mouse, in content
# documents.
#
# This matches historical macOS / Safari behavior.
#
#  * 0: never
#  * 1: always
#  * 2: on content documents
- name: accessibility.mouse_focuses_formcontrol
  type: int32_t
#ifdef XP_MACOSX
  value: 2
#else
  value: 1
#endif
  mirror: always

# Whether to avoid accessibility activation on Windows shortly after clipboard
# copy.
#
# Possible values are:
#  * 0: never
#  * 1: always
#  * 2 (or others): when needed
- name: accessibility.windows.suppress-after-clipboard-copy
  type: uint32_t
  value: 2
  mirror: always

#---------------------------------------------------------------------------
# Prefs starting with "alerts."
#---------------------------------------------------------------------------

# Whether to use platform-specific backends for showing desktop notifications.
# If no such backend is available, or if the pref is false, then XUL
# notifications are used.
- name: alerts.useSystemBackend
  type: bool
  value: true
  mirror: always

#if defined(XP_WIN)
 # On Windows, a COM Surrogate notification server receives notification events
 # and can relaunch the application after it has been closed.
- name: alerts.useSystemBackend.windows.notificationserver.enabled
  type: bool
  value: true
  mirror: never
#endif

#ifdef ANDROID
  #---------------------------------------------------------------------------
  # Prefs starting with "android."
  #---------------------------------------------------------------------------

  # On Android, we want an opaque background to be visible under the page,
  # so layout should not force a default background.
-   name: android.widget_paints_background
    type: RelaxedAtomicBool
    value: true
    mirror: always

-   name: android.touch_resampling.enabled
    type: RelaxedAtomicBool
    value: true
    mirror: always

#endif

#---------------------------------------------------------------------------
# Prefs starting with "apz."
# The apz prefs are explained in AsyncPanZoomController.cpp
#---------------------------------------------------------------------------

# amount we zoom in for a double tap gesture if we couldn't find any content
# based rect to zoom to
- name: apz.doubletapzoom.defaultzoomin
  type: AtomicFloat
  value: 1.2f
  mirror: always

- name: apz.scrollbarbuttonrepeat.enabled
  type: RelaxedAtomicBool
  value: true
  mirror: always

- name: apz.scrollend-event.content.enabled
  type: RelaxedAtomicBool
  value: true
  mirror: always

# After a user has executed a pan gesture, we may receive momentum phase pan
# gestures from the OS. This specifies how long we should wait following the
# pan end gesture for possible momentum phase pan gestures before sending the
# TransformEnd notification.
- name: apz.scrollend-event.content.delay_ms
  type: RelaxedAtomicInt32
  value: 100
  mirror: always

- name: apz.wr.activate_all_scroll_frames
  type: RelaxedAtomicBool
  value: false
  mirror: always

- name: apz.wr.activate_all_scroll_frames_when_fission
  type: RelaxedAtomicBool
  value: true
  mirror: always

- name: apz.prefer_jank_minimal_displayports
  type: RelaxedAtomicBool
  value: true
  mirror: always

- name: apz.allow_double_tap_zooming
  type: RelaxedAtomicBool
  value: true
  mirror: always

- name: apz.mac.enable_double_tap_zoom_touchpad_gesture
  type: RelaxedAtomicBool
  value: true
  mirror: always

- name: apz.allow_immediate_handoff
  type: RelaxedAtomicBool
  value: false
  mirror: always

- name: apz.allow_zooming
  type: RelaxedAtomicBool
  value: true
  mirror: always

- name: apz.max_zoom
  type: AtomicFloat
  value: 10.0f
  mirror: always

- name: apz.min_zoom
  type: AtomicFloat
  value: 0.25f
  mirror: always

- name: apz.allow_zooming_out
  type: RelaxedAtomicBool
  value: false
  mirror: always

- name: apz.android.chrome_fling_physics.friction
  type: AtomicFloat
  value: 0.015f
  mirror: always

- name: apz.android.chrome_fling_physics.inflexion
  type: AtomicFloat
  value: 0.35f
  mirror: always

- name: apz.android.chrome_fling_physics.stop_threshold
  type: AtomicFloat
  value: 0.1f
  mirror: always

- name: apz.autoscroll.enabled
  type: RelaxedAtomicBool
  value: true
  mirror: always

- name: apz.axis_lock.breakout_angle
  type: AtomicFloat
  value: float(M_PI / 8.0)    # 22.5 degrees
  mirror: always
  include: <cmath>

- name: apz.axis_lock.breakout_threshold
  type: AtomicFloat
  value: 1.0f / 32.0f
  mirror: always

- name: apz.axis_lock.direct_pan_angle
  type: AtomicFloat
  value: float(M_PI / 3.0)    # 60 degrees
  mirror: always
  include: <cmath>

- name: apz.axis_lock.lock_angle
  type: AtomicFloat
  value: float(M_PI / 6.0)    # 30 degrees
  mirror: always
  include: <cmath>

# Whether to lock touch scrolling to one axis at a time. When a new
# axis lock mode is added, the APZCAxisLockCompatTester GTest shoud
# be updated to include the lock mode value.
# 0 = FREE (No locking at all)
# 1 = STANDARD (Once locked, remain locked until scrolling ends)
# 2 = STICKY (Allow lock to be broken, with hysteresis)
# 3 = DOMINANT_AXIS (Only allow movement on one axis at a time, only
#     applies to touchpad scrolling)
- name: apz.axis_lock.mode
  type: RelaxedAtomicInt32
#if defined(XP_MACOSX)
  value: 3
#else
  value: 2
#endif
  mirror: always

- name: apz.content_response_timeout
  type: RelaxedAtomicInt32
  value: 400
  mirror: always

- name: apz.danger_zone_x
  type: RelaxedAtomicInt32
  value: 50
  mirror: always

- name: apz.danger_zone_y
  type: RelaxedAtomicInt32
  value: 100
  mirror: always

- name: apz.disable_for_scroll_linked_effects
  type: RelaxedAtomicBool
  value: false
  mirror: always

- name: apz.displayport_expiry_ms
  type: RelaxedAtomicUint32
  value: 15000
  mirror: always

- name: apz.drag.enabled
  type: RelaxedAtomicBool
  value: true
  mirror: always

- name: apz.drag.initial.enabled
  type: RelaxedAtomicBool
  value: true
  mirror: always

- name: apz.drag.touch.enabled
  type: RelaxedAtomicBool
  value: true
  mirror: always

- name: apz.enlarge_displayport_when_clipped
  type: RelaxedAtomicBool
  value: @IS_ANDROID@
  mirror: always

# Test only.
- name: apz.fixed-margin-override.enabled
  type: RelaxedAtomicBool
  value: false
  mirror: always

# Test only.
- name: apz.fixed-margin-override.bottom
  type: RelaxedAtomicInt32
  value: 0
  mirror: always

# Test only.
- name: apz.fixed-margin-override.top
  type: RelaxedAtomicInt32
  value: 0
  mirror: always

- name: apz.fling_accel_base_mult
  type: AtomicFloat
  value: 1.0f
  mirror: always

- name: apz.fling_accel_supplemental_mult
  type: AtomicFloat
  value: 1.0f
  mirror: always

- name: apz.fling_accel_min_fling_velocity
  type: AtomicFloat
  value: 1.5f
  mirror: always

- name: apz.fling_accel_min_pan_velocity
  type: AtomicFloat
  value: 0.8f
  mirror: always

- name: apz.fling_accel_max_pause_interval_ms
  type: RelaxedAtomicInt32
  value: 50
  mirror: always

- name: apz.fling_curve_function_x1
  type: float
  value: 0.0f
  mirror: once

- name: apz.fling_curve_function_x2
  type: float
  value: 1.0f
  mirror: once

- name: apz.fling_curve_function_y1
  type: float
  value: 0.0f
  mirror: once

- name: apz.fling_curve_function_y2
  type: float
  value: 1.0f
  mirror: once

- name: apz.fling_curve_threshold_inches_per_ms
  type: AtomicFloat
  value: -1.0f
  mirror: always

- name: apz.fling_friction
  type: AtomicFloat
  value: 0.002f
  mirror: always

- name: apz.fling_min_velocity_threshold
  type: AtomicFloat
  value: 0.5f
  mirror: always

- name: apz.fling_stop_on_tap_threshold
  type: AtomicFloat
  value: 0.05f
  mirror: always

- name: apz.fling_stopped_threshold
  type: AtomicFloat
  value: 0.01f
  mirror: always

- name: apz.touch_acceleration_factor_x
  type: float
  value: 1.0f
  mirror: always

- name: apz.touch_acceleration_factor_y
  type: float
  value: 1.0f
  mirror: always

# new scrollbar code for desktop zooming
- name: apz.force_disable_desktop_zooming_scrollbars
  type: RelaxedAtomicBool
  value: false
  mirror: always

#ifdef MOZ_WIDGET_GTK
-   name: apz.gtk.kinetic_scroll.enabled
    type: RelaxedAtomicBool
    value: true
    mirror: always

-   name: apz.gtk.pangesture.enabled
    type: RelaxedAtomicBool
    value: true
    mirror: always

# Mode to use when receiving pan gesture input.
#
#  * 0: Auto mode (uses the default behavior, subject to change).
#  * 1: Page mode: Uses gtk deltas as a percentage of the page size to scroll. This mode matches:
#
#    https://gitlab.gnome.org/GNOME/gtk/blob/c734c7e9188b56f56c3a504abee05fa40c5475ac/gtk/gtkrange.c#L3063-3074
#
#  * 2: Pixel mode: Uses gtk deltas as a fixed pixel multiplier. This mode matches e.g. GNOME web.
#
#    https://webkit-search.igalia.com/webkit/rev/215039ef09d6bfd6e088175bfe30788d95b9705d/Source/WebKit/Shared/gtk/WebEventFactory.cpp#265-296
#    (multiplied then by pixelsPerLineStep which in GNOME-web is 40).
-   name: apz.gtk.pangesture.delta_mode
    type: uint32_t
    value: 0
    mirror: always

-   name: apz.gtk.pangesture.page_delta_mode_multiplier
    type: float
    value: 1.0f
    mirror: always

-   name: apz.gtk.pangesture.pixel_delta_mode_multiplier
    type: float
    value: 40.0f
    mirror: always

-   name: apz.gtk.touchpad_pinch.enabled
    type: RelaxedAtomicBool
    value: true
    mirror: always

-   name: apz.gtk.touchpad_pinch.three_fingers.enabled
    type: RelaxedAtomicBool
    value: false
    mirror: always
#endif

- name: apz.keyboard.enabled
  type: bool
  value: @IS_NOT_ANDROID@
  mirror: once

- name: apz.keyboard.passive-listeners
  type: RelaxedAtomicBool
  value: @IS_NOT_ANDROID@
  mirror: always

- name: apz.max_tap_time
  type: RelaxedAtomicInt32
  value: 300
  mirror: always

- name: apz.max_velocity_inches_per_ms
  type: AtomicFloat
  value: -1.0f
  mirror: always

- name: apz.max_velocity_queue_size
  type: uint32_t
  value: 5
  mirror: once

- name: apz.min_skate_speed
  type: AtomicFloat
  value: 1.0f
  mirror: always

- name: apz.mvm.force-enabled
  type: RelaxedAtomicBool
  value: true
  mirror: always

- name: apz.one_touch_pinch.enabled
  type: RelaxedAtomicBool
  value: @IS_ANDROID@
  mirror: always

- name: apz.overscroll.enabled
  type: RelaxedAtomicBool
#if defined(XP_MACOSX) || defined(XP_WIN)
  value: true
#else
  value: false
#endif
  mirror: always

# The "test async scroll offset" (used via reftest-async-scroll
# or nsIDOMWindowUtils.setAsyncScrollOffset()) can be used to
# trigger overscroll. Used for tests only.
- name: apz.overscroll.test_async_scroll_offset.enabled
  type: RelaxedAtomicBool
  value: false
  mirror: always

- name: apz.overscroll.min_pan_distance_ratio
  type: AtomicFloat
  value: 1.0f
  mirror: always

- name: apz.overscroll.stop_distance_threshold
  type: AtomicFloat
  value: 5.0f
  mirror: always

- name: apz.overscroll.spring_stiffness
  type: AtomicFloat
  value: 200
  mirror: always

- name: apz.overscroll.damping
  type: AtomicFloat
  value: 1.1
  mirror: always

- name: apz.overscroll.max_velocity
  type: AtomicFloat
  value: 10
  mirror: always

- name: apz.paint_skipping.enabled
  type: RelaxedAtomicBool
  value: true
  mirror: always

# Fetch displayport updates early from the message queue.
- name: apz.pinch_lock.mode
  type: RelaxedAtomicInt32
  value: 2
  mirror: always

- name: apz.pinch_lock.scroll_lock_threshold
  type: AtomicFloat
  value: 1.0f / 16.0f   # 1/16 inches
  mirror: always

- name: apz.pinch_lock.span_breakout_threshold
  type: AtomicFloat
  value: 1.0f / 32.0f   # 1/32 inches
  mirror: always

- name: apz.pinch_lock.span_lock_threshold
  type: AtomicFloat
  value: 1.0f / 32.0f   # 1/32 inches
  mirror: always

- name: apz.pinch_lock.buffer_max_age
  type: int32_t
  value: 80   # milliseconds
  mirror: once

- name: apz.popups.enabled
  type: RelaxedAtomicBool
  value: true
  mirror: always

# Whether to print the APZC tree for debugging.
- name: apz.printtree
  type: RelaxedAtomicBool
  value: false
  mirror: always

- name: apz.record_checkerboarding
  type: RelaxedAtomicBool
  value: @IS_NIGHTLY_BUILD@
  mirror: always

- name: apz.second_tap_tolerance
  type: AtomicFloat
  value: 0.5f
  mirror: always

# If this is true, APZ fully recalculates the scroll thumb size and
# position in the compositor. This leads to the size and position
# being more accurate in scenarios such as async zooming, but the
# recalculation code is error-prone so it's nightly-only for now
# to give it more baking time.
- name: apz.scrollthumb.recalc
  type: RelaxedAtomicBool
  value: @IS_NIGHTLY_BUILD@
  mirror: always

- name: apz.test.fails_with_native_injection
  type: RelaxedAtomicBool
  value: false
  mirror: always

- name: apz.test.logging_enabled
  type: RelaxedAtomicBool
  value: false
  mirror: always

- name: apz.touch_move_tolerance
  type: AtomicFloat
  value: 0.1f
  mirror: always

- name: apz.touch_start_tolerance
  type: AtomicFloat
  value: 0.1f
  mirror: always

- name: apz.velocity_bias
  type: AtomicFloat
  value: 0.0f
  mirror: always

- name: apz.velocity_relevance_time_ms
  type: RelaxedAtomicUint32
  value: 100
  mirror: always

- name: apz.windows.force_disable_direct_manipulation
  type: RelaxedAtomicBool
  value: false
  mirror: always

- name: apz.windows.use_direct_manipulation
  type: RelaxedAtomicBool
  value: true
  mirror: always

- name: apz.windows.check_for_pan_gesture_conversion
  type: RelaxedAtomicBool
  value: true
  mirror: always

- name: apz.x_skate_highmem_adjust
  type: AtomicFloat
  value: 0.0f
  mirror: always

- name: apz.x_skate_size_multiplier
  type: AtomicFloat
  value: 1.25f
  mirror: always

- name: apz.x_stationary_size_multiplier
  type: AtomicFloat
  value: 1.5f
  mirror: always

- name: apz.y_skate_highmem_adjust
  type: AtomicFloat
  value: 0.0f
  mirror: always

- name: apz.y_skate_size_multiplier
  type: AtomicFloat
#if defined(MOZ_WIDGET_ANDROID)
  value: 1.5f
#else
  value: 3.5f
#endif
  mirror: always

- name: apz.y_stationary_size_multiplier
  type: AtomicFloat
#if defined(MOZ_WIDGET_ANDROID)
  value: 1.5f
#else
  value: 3.5f
#endif
  mirror: always

- name: apz.zoom_animation_duration_ms
  type: RelaxedAtomicInt32
#if defined(MOZ_WIDGET_ANDROID)
  value: 250
#else
  value: 350
#endif
  mirror: always

- name: apz.scale_repaint_delay_ms
  type: RelaxedAtomicInt32
  value: 500
  mirror: always

# Whether to use rounded external scroll offsets.
- name: apz.rounded_external_scroll_offset
  type: bool
  value: false
  mirror: always

#---------------------------------------------------------------------------
# Prefs starting with "beacon."
#---------------------------------------------------------------------------

# Is support for Navigator.sendBeacon enabled?
- name: beacon.enabled
  type: bool
  value: true
  mirror: always

#---------------------------------------------------------------------------
# Prefs starting with "bidi."
#---------------------------------------------------------------------------

# Whether delete and backspace should immediately delete characters not
# visually adjacent to the caret, or adjust the visual position of the caret
# on the first keypress and delete the character on a second keypress
- name: bidi.edit.delete_immediately
  type: bool
  value: true
  mirror: always

# Bidi caret movement style:
# 0 = logical
# 1 = visual
# 2 = visual, but logical during selection
- name: bidi.edit.caret_movement_style
  type: int32_t
#if !defined(XP_LINUX) && defined(NIGHTLY_BUILD)
  value: 1
#else
  value: 2 # See Bug 1638240
#endif
  mirror: always

# Bidi numeral style:
# 0 = nominalnumeralBidi *
# 1 = regularcontextnumeralBidi
# 2 = hindicontextnumeralBidi
# 3 = arabicnumeralBidi
# 4 = hindinumeralBidi
# 5 = persiancontextnumeralBidi
# 6 = persiannumeralBidi
- name: bidi.numeral
  type: RelaxedAtomicUint32
  value: 0
  mirror: always

# Bidi text type
# 1 = charsettexttypeBidi *
# 2 = logicaltexttypeBidi
# 3 = visualtexttypeBidi
- name: bidi.texttype
  type: RelaxedAtomicUint32
  value: 1
  mirror: always

# Bidi direction
# 1 = directionLTRBidi *
# 2 = directionRTLBidi
- name: bidi.direction
  type: RelaxedAtomicUint32
  value: 1
  mirror: always

# Setting this pref to |true| forces Bidi UI menu items and keyboard shortcuts
# to be exposed, and enables the directional caret hook. By default, only
# expose it for bidi-associated system locales.
- name: bidi.browser.ui
  type: bool
  value: false
  mirror: always

#---------------------------------------------------------------------------
# Prefs starting with "browser."
#---------------------------------------------------------------------------

- name: browser.active_color
  type: String
  value: "#EE0000"
  mirror: never

- name: browser.active_color.dark
  type: String
  value: "#FF6666"
  mirror: never

- name: browser.anchor_color
  type: String
  value: "#0000EE"
  mirror: never

# If you change this, you probably also want to change
# nsXPLookAndFeel::GenericDarkColor for MozNativehyperlinktext.
- name: browser.anchor_color.dark
  type: String
  value: "#8C8CFF"
  mirror: never

# See http://dev.w3.org/html5/spec/forms.html#attr-fe-autofocus
- name: browser.autofocus
  type: bool
  value: true
  mirror: always

- name: browser.cache.disk.enable
  type: RelaxedAtomicBool
  value: true
  mirror: always

- name: browser.cache.memory.enable
  type: RelaxedAtomicBool
  value: true
  mirror: always

# Limit of recent metadata we keep in memory for faster access, in KB.
- name: browser.cache.disk.metadata_memory_limit
  type: RelaxedAtomicUint32
  value: 250   # 0.25 MB
  mirror: always

# Does the user want smart-sizing?
- name: browser.cache.disk.smart_size.enabled
  type: RelaxedAtomicBool
  value: true
  mirror: always

# Disk cache capacity in kilobytes. It's used only when
# browser.cache.disk.smart_size.enabled == false
- name: browser.cache.disk.capacity
  type: RelaxedAtomicUint32
  value: 256000
  mirror: always

# -1 = determine dynamically, 0 = none, n = memory capacity in kilobytes.
- name: browser.cache.memory.capacity
  type: RelaxedAtomicInt32
  value: -1
  mirror: always

# When smartsizing is disabled we could potentially fill all disk space by
# cache data when the disk capacity is not set correctly. To avoid that we
# check the free space every time we write some data to the cache. The free
# space is checked against two limits. Once the soft limit is reached we start
# evicting the least useful entries, when we reach the hard limit writing to
# the entry fails.
- name: browser.cache.disk.free_space_soft_limit
  type: RelaxedAtomicUint32
  value: 5 * 1024   # 5MB
  mirror: always

- name: browser.cache.disk.free_space_hard_limit
  type: RelaxedAtomicUint32
  value: 1024    # 1MB
  mirror: always

# The number of chunks we preload ahead of read. One chunk currently has
# 256kB.
- name: browser.cache.disk.preload_chunk_count
  type: RelaxedAtomicUint32
  value: 4    # 1 MB of read ahead
  mirror: always

# Max-size (in KB) for entries in disk cache. Set to -1 for no limit.
# (Note: entries bigger than 1/8 of disk-cache are never cached)
- name: browser.cache.disk.max_entry_size
  type: RelaxedAtomicUint32
  value: 50 * 1024    # 50 MB
  mirror: always

# Max-size (in KB) for entries in memory cache. Set to -1 for no limit.
# (Note: entries bigger than than 90% of the mem-cache are never cached.)
- name: browser.cache.memory.max_entry_size
  type: RelaxedAtomicInt32
  value: 5 * 1024
  mirror: always

# Memory limit (in kB) for new cache data not yet written to disk. Writes to
# the cache are buffered and written to disk on background with low priority.
# With a slow persistent storage these buffers may grow when data is coming
# fast from the network. When the amount of unwritten data is exceeded, new
# writes will simply fail. We have two buckets, one for important data
# (priority) like html, css, fonts and js, and one for other data like images,
# video, etc.
# Note: 0 means no limit.
- name: browser.cache.disk.max_chunks_memory_usage
  type: RelaxedAtomicUint32
  value: 40 * 1024
  mirror: always
- name: browser.cache.disk.max_priority_chunks_memory_usage
  type: RelaxedAtomicUint32
  value: 40 * 1024
  mirror: always


# Number of seconds the cache spends writing pending data and closing files
# after shutdown has been signalled. Past that time data is not written and
# files are left open for the OS to clean up.
- name: browser.cache.max_shutdown_io_lag
  type: RelaxedAtomicUint32
  value: 2
  mirror: always

# After the max_shutdown_io_lag has passed, we will attempt to cancel
# blocking IO (on windows). The CacheIOThread may pick up more blocking
# tasks so we want to cancel those too. The main thread will be woken
# up every shutdown_io_time_between_cancellations_ms to cancel the IO
# on the other thread.
- name: browser.cache.shutdown_io_time_between_cancellations_ms
  type: RelaxedAtomicUint32
  value: 5
  mirror: always

# A percentage limit for media content type in the disk cache. When some entries
# need to be evicted and media is over the limit, it's evicted first.
- name: browser.cache.disk.content_type_media_limit
  type: RelaxedAtomicInt32
  value: 50
  mirror: always

# How often to validate document in cache
#   0 = once-per-session,
#   1 = each-time,
#   2 = never,
#   3 = when-appropriate/automatically
- name: browser.cache.check_doc_frequency
  type: RelaxedAtomicUint32
  value: 3
  mirror: always

# Compression level for cached JavaScript bytecode
#   0 = do not compress,
#   1 = minimal compression,
#   9 = maximal compression
- name: browser.cache.jsbc_compression_level
  type: RelaxedAtomicUint32
  value: 0
  mirror: always

# Whether tooltips are enabled.
- name: browser.chrome.toolbar_tips
  type: bool
  value: true
  mirror: always

# Whether tooltips are hidden on keydown.
#  0: never
#  1: always
#  2: only on non-modifier keys
- name: browser.chrome.toolbar_tips.hide_on_keydown
  type: uint32_t
#if defined(XP_WIN)
  value: 0
#else
  value: 2
#endif
  mirror: always

- name: browser.contentblocking.database.enabled
  type: bool
  value: false
  mirror: always

# How many recent block/unblock actions per origins we remember in the
# Content Blocking log for each top-level window.
- name: browser.contentblocking.originlog.length
  type: uint32_t
  value: 32
  mirror: always

- name: browser.display.background_color
  type: String
  value: "#FFFFFF"
  mirror: never

- name: browser.display.background_color.dark
  type: String
  value: "#1C1B22"
  mirror: never

# This preference is a bit confusing because we use the opposite
# string value in the colors dialog to indicate to users how FF HCM
# will behave.
# With resect to document colors, these values mean:
# 0 = "default" = always, except in high contrast mode
# 1 = "always"
# 2 = "never"
#
# On windows, we set this to 0, which means FF HCM will mirror OS HCM.
# Everywhere else, we set this to 1, disabling FF HCM.
- name: browser.display.document_color_use
  type: RelaxedAtomicUint32
#if defined(XP_WIN)
  value: 0
#else
  value: 1
#endif
  mirror: always
  rust: true

# 0 = always native
# 1 = never native
# other = default
- name: browser.display.windows.non_native_menus
  type: RelaxedAtomicUint32
  value: 2
  mirror: always
  rust: true

# This pref dictates whether or not backplates and background images
# are to be drawn, when in high-contrast mode:
#   false: do not draw backplates or render background images
#   true: render background images and draw backplates
# This condition is only considered when high-contrast mode is enabled
# in Firefox, ie. when the user has:
#   (1) mUseAccessibilityMode set to true (Widows high-contrast mode is on)
#       AND browser.display.document_color_use set to 0
#       (only with high-contrast themes) OR
#   (2) browser.display.document_color_use set to 2 (always)
- name: browser.display.permit_backplate
  type: RelaxedAtomicBool
  value: true
  mirror: always
  rust: true

# Whether we should suppress the background-image of the canvas (the root
# frame) if we're in forced colors mode.
#
# This is important because some sites use background-image with a plain color
# and it causes undesirable results in high-contrast mode.
#
# See bug 1614921 for example.
- name: browser.display.suppress_canvas_background_image_on_forced_colors
  type: bool
  value: true
  mirror: always

- name: browser.display.focus_ring_on_anything
  type: bool
  value: false
  mirror: always

- name: browser.display.focus_ring_width
  type: uint32_t
  value: 1
  mirror: always

- name: browser.display.focus_background_color
  type: String
  value: "#117722"
  mirror: never

# Focus ring border style.
# 0 = solid border, 1 = dotted border
- name: browser.display.focus_ring_style
  type: uint32_t
  value: 1
  mirror: always

- name: browser.display.focus_text_color
  type: String
  value: "#ffffff"
  mirror: never

- name: browser.display.foreground_color
  type: String
  value: "#000000"
  mirror: never

- name: browser.display.foreground_color.dark
  type: String
  value: "#FBFBFE"
  mirror: never

# Determines the behavior of OS zoom settings.
#
#   0: doesn't affect rendering at all
#   1: affects full zoom (dpi, effectively).
#   2: affects text zoom.
#
# Default is (1): Historical behavior on Linux, matches other browsers on
# Windows, and generally creates more consistent rendering.
- name: browser.display.os-zoom-behavior
  type: RelaxedAtomicInt32
  value: 1
  mirror: always
  rust: true

# Whether focus rings are always shown by default.
#
# This is the initial value of nsWindowRoot::mShowFocusRings, but it can be
# overridden by system preferences.
- name: browser.display.show_focus_rings
  type: bool
  value: false
  mirror: always

# Enable showing image placeholders while image is loading or when image is broken.
- name: browser.display.show_image_placeholders
  type: bool
  value: true
  mirror: always

# Whether we should always enable focus rings after focus was moved by keyboard.
#
# This behavior matches both historical and GTK / Windows focus behavior.
#
# :focus-visible is intended to provide better heuristics than this.
- name: browser.display.always_show_rings_after_key_focus
  type: bool
  value: false
  mirror: always

# In theory: 0 = never, 1 = quick, 2 = always, though we always just use it as
# a bool!
- name: browser.display.use_document_fonts
  type: RelaxedAtomicInt32
  value: 1
  mirror: always
  rust: true

# font-family names for which we'll override use_document_fonts=0, and always
# use the specified font.
# This is to support ligature-icon fonts, which render literal strings like
# "arrow_drop_down" with an icon, even when use_document_fonts is disabled.
# If an author provides & uses such a font, and we decline to use it, we'll end
# up rendering these literal strings where the author intended an icon, which
# can cause all sorts of overlapping/unreadable content.
- name: browser.display.use_document_fonts.icon_font_allowlist
  type: String
  value: >-
    Material Icons,
    Material Icons Extended,
    Material Icons Outlined,
    Material Icons Round,
    Material Icons Sharp,
    Material Icons Two Tone,
    Google Material Icons,
    Material Symbols Outlined,
    Material Symbols Round,
    Material Symbols Rounded,
    Material Symbols Sharp
  mirror: never

- name: browser.display.use_focus_colors
  type: bool
  value: false
  mirror: always

- name: browser.display.use_system_colors
  type: RelaxedAtomicBool
#ifdef XP_WIN
  value: true
#else
  value: false
#endif
  mirror: always

- name: browser.dom.window.dump.enabled
  type: RelaxedAtomicBool
  value: @IS_NOT_MOZILLA_OFFICIAL@
  mirror: always

# See bug 1738574
- name: browser.download.start_downloads_in_tmp_dir
  type: bool
  value: false
  mirror: always

# See bug 1747343
- name: browser.download.always_ask_before_handling_new_types
  type: bool
  value: false
  mirror: always

# See bug 1731668
- name: browser.download.enable_spam_prevention
  type: bool
  value: false
  mirror: always

# See bug 1772569
- name: browser.download.open_pdf_attachments_inline
  type: bool
  value: false
  mirror: always

# See bug 1811830
- name: browser.download.force_save_internally_handled_attachments
  type: bool
  value: false
  mirror: always

- name: browser.download.sanitize_non_media_extensions
  type: bool
  value: true
  mirror: always

# Image document's automatic image sizing.
- name: browser.enable_automatic_image_resizing
  type: bool
  value: true
  mirror: always

# Image document's click-to-resize.
- name: browser.enable_click_image_resizing
  type: bool
  value: @IS_NOT_ANDROID@
  mirror: always

- name: browser.find.ignore_ruby_annotations
  type: bool
  value: true
  mirror: always

#if defined(XP_MACOSX)
# Whether pressing Esc will exit fullscreen.
- name: browser.fullscreen.exit_on_escape
  type: bool
  value: true
  mirror: always
#endif

# The max url length we'll store in history.
#
# The default value is mostly a guess based on various facts:
#
# * IE didn't support urls longer than 2083 chars
# * Sitemaps protocol used to support a maximum of 2048 chars
# * Various SEO guides suggest to not go over 2000 chars
# * Various apps/services are known to have issues over 2000 chars
# * RFC 2616 - HTTP/1.1 suggests being cautious about depending
#   on URI lengths above 255 bytes
#
- name: browser.history.maxUrlLength
  type: uint32_t
  value: 2000
  mirror: always

# Max size of push/replaceState data parameter
- name: browser.history.maxStateObjectSize
  type: int32_t
  value: 16777216
  mirror: always

# True to collect wireframes upon navigations / pushState
- name: browser.history.collectWireframes
  type: bool
  value: false
  mirror: always

# The minimum area for a rect to be included in a wireframe, in CSS pixels.
#
# The current value of 50 is pretty arbitrary, and will be tuned as we refine
# and test the wireframing capability.
- name: browser.history.wireframeAreaThreshold
  type: uint32_t
  value: 50
  mirror: always

#if defined(XP_WIN) || defined(XP_LINUX)
  # Notify TabUnloader or send the memory pressure if the memory resource
  # notification is signaled AND the available commit space is lower than
  # this value.
-   name: browser.low_commit_space_threshold_mb
    type: RelaxedAtomicUint32
    value: 200
    mirror: always
#endif

#ifdef XP_LINUX
  # On Linux we also check available memory in comparison to total memory,
  # and use this percent value (out of 100) to determine if we are in a
  # low memory scenario.
-   name: browser.low_commit_space_threshold_percent
    type: RelaxedAtomicUint32
    value: 5
    mirror: always
#endif

# Render animations and videos as a solid color
- name: browser.measurement.render_anims_and_video_solid
  type: RelaxedAtomicBool
  value: false
  mirror: always

- name: browser.navigation.requireUserInteraction
  type: bool
  value: false
  mirror: always

# Indicates if about:newtab shows content (enabled) or just blank.
- name: browser.newtabpage.enabled
  type: bool
  value: true
  mirror: always

# Open PDFs in Edge with the --app flag if it is the default.
- name: browser.pdf.launchDefaultEdgeAsApp
  type: bool
  value: true
  mirror: always

# Maximium delay between keystrokes that will be considered typing (milliseconds).
- name: browser.places.interactions.typing_timeout_ms
  type: RelaxedAtomicUint32
  value: 3000
  mirror: always

# Maximum delay between scroll input events that will be considered a scrolling interaction (milliseconds).
- name: browser.places.interactions.scrolling_timeout_ms
  type: RelaxedAtomicUint32
  value: 5000
  mirror: always

# Number of seconds till the sponsored session is timeout.
- name: browser.places.sponsoredSession.timeoutSecs
  type: RelaxedAtomicUint32
  value: 3600
  mirror: always

# Whether to start the private browsing mode at application startup
- name: browser.privatebrowsing.autostart
  type: bool
  value: false
  mirror: always

# Force usage of in-memory (rather than file on disk) media cache for video streaming when private browsing
- name: browser.privatebrowsing.forceMediaMemoryCache
  type: bool
  value: false
  mirror: always

# Communicates the toolbar color to platform (for e.g., prefers-color-scheme).
#
# Returns whether the toolbar is dark (0), light (1), or system (2).
#
# Default to "light" on macOS / Windows, and "system" elsewhere. The theming
# code sets it appropriately.
- name: browser.theme.toolbar-theme
  type: RelaxedAtomicUint32
#if defined(XP_WIN) || defined(XP_MACOSX)
  value: 1
#else
  value: 2
#endif
  mirror: always

# Communicates the preferred content theme color to platform (for e.g.,
# prefers-color-scheme).
#
# dark (0), light (1), system (2), or toolbar (3).
#
# Default to "toolbar", the theming code sets it appropriately.
- name: browser.theme.content-theme
  type: RelaxedAtomicUint32
  value: 2
  mirror: always
  rust: true

# Blocked plugin content
- name: browser.safebrowsing.blockedURIs.enabled
  type: bool
  value: true
  mirror: always

# Malware protection
- name: browser.safebrowsing.malware.enabled
  type: bool
  value: true
  mirror: always

# Password protection
- name: browser.safebrowsing.passwords.enabled
  type: bool
  value: false
  mirror: always

# Phishing protection
- name: browser.safebrowsing.phishing.enabled
  type: bool
  value: true
  mirror: always

# Maximum size for an array to store the safebrowsing prefixset.
- name: browser.safebrowsing.prefixset_max_array_size
  type: RelaxedAtomicUint32
  value: 512*1024
  mirror: always

# SessionStore prefs
# Maximum number of bytes of DOMSessionStorage data we collect per origin.
- name: browser.sessionstore.dom_storage_limit
  type: uint32_t
  value: 2048
  mirror: always

# Maximum number of characters of form field data per field we collect.
- name: browser.sessionstore.dom_form_limit
  type: uint32_t
  value: 1024*1024*2
  mirror: always

# Maximum number of characters of form data we collect per origin.
- name: browser.sessionstore.dom_form_max_limit
  type: uint32_t
  value: 1024*1024*50
  mirror: always

# Minimal interval between two save operations in milliseconds (while the user is active).
- name: browser.sessionstore.interval
  type: RelaxedAtomicUint32
  value: 15000
  mirror: always

# Platform collection of data for session store
- name: browser.sessionstore.platform_collection
  type: bool
#if defined(ANDROID) || defined(MOZ_THUNDERBIRD)
  value: false
#else
  value: true
#endif
  mirror: once

# Platform collection of session storage data for session store
- name: browser.sessionstore.collect_session_storage
  type: bool
  value: @IS_NOT_ANDROID@
  mirror: once

# Platform collection of zoom data for session store
- name: browser.sessionstore.collect_zoom
  type: bool
  value: @IS_NOT_ANDROID@
  mirror: once

# Causes SessionStore to ignore non-final update messages from
# browser tabs that were not caused by a flush from the parent.
# This is a testing flag and should not be used by end-users.
- name: browser.sessionstore.debug.no_auto_updates
  type: RelaxedAtomicBool
  value: false
  mirror: always

# Whether we should draw the tabs on top of the titlebar.
#
# no (0), yes (1), or default (2), which is true everywhere except Linux.
- name: browser.tabs.inTitlebar
  type: int32_t
  value: 2
  mirror: always

# If set, use DocumentChannel to directly initiate loads entirely
# from parent-process BrowsingContexts
- name: browser.tabs.documentchannel.parent-controlled
  type: bool
  value: false
  mirror: always

# Testing-only pref which makes data: URIs be loaded in a "web" content process
# instead of within a process based on the URI's loader.
- name: browser.tabs.remote.dataUriInDefaultWebProcess
  type: bool
  value: false
  mirror: always

# Testing-only pref to force system-triggered about:blank loads to not change
# content processes. This is used for performance tests which load an
# about:blank document between navigations for historical reasons to avoid
# unnecessary process switches.
- name: browser.tabs.remote.systemTriggeredAboutBlankAnywhere
  type: bool
  value: false
  mirror: always

# Testing-only pref to cause PBrowser creation for a specific BrowsingContext to
# fail, to test the errored codepath.
- name: browser.tabs.remote.testOnly.failPBrowserCreation.enabled
  type: bool
  value: false
  mirror: always

- name: browser.tabs.remote.desktopbehavior
  type: bool
  value: false
  mirror: always

- name: browser.tabs.remote.force-paint
  type: bool
  value: true
  mirror: always

# When this pref is enabled document loads with a mismatched
# Cross-Origin-Embedder-Policy header will fail to load
- name: browser.tabs.remote.useCrossOriginEmbedderPolicy
  type: RelaxedAtomicBool
  value: true
  mirror: always

# This pref makes `credentialless` a valid value for
# Cross-Origin-Embedder-Policy header
- name: browser.tabs.remote.coep.credentialless
  type: RelaxedAtomicBool
  value: @IS_NIGHTLY_BUILD@
  mirror: always
  do_not_use_directly: true

# When this pref is enabled top level loads with a mismatched
# Cross-Origin-Opener-Policy header will be loaded in a separate process.
- name: browser.tabs.remote.useCrossOriginOpenerPolicy
  type: RelaxedAtomicBool
  value: true
  mirror: always

# When this pref is enabled then we use a separate content process for
# top-level load of file:// URIs
- name: browser.tabs.remote.separateFileUriProcess
  type: RelaxedAtomicBool
#if !defined(ANDROID)
  value: true
#else
  value: false
#endif
  mirror: always

# Pref to control whether we use a separate privileged content process
# for certain mozilla webpages (which are listed in the pref
# browser.tabs.remote.separatedMozillaDomains).
- name: browser.tabs.remote.separatePrivilegedMozillaWebContentProcess
  type: bool
  value: false
  mirror: always

# Whether or not process selection for subframes will prefer re-using an
# existing content process over creating a new one. Enabling this pref should
# reduce the number of processes allocated for non-first-party domains if
# dom.ipc.processCount.webIsolated > 1.
- name: browser.tabs.remote.subframesPreferUsed
  type: bool
  value: true
  mirror: always

# When this pref is enabled, opaque response is only allowed to enter the
# content process if it's a response for media (audio, image, video), CSS, or
# JavaScript.
- name: browser.opaqueResponseBlocking
  type: RelaxedAtomicBool
#if defined(ANDROID)
  value: false
#else
  value: @IS_EARLY_BETA_OR_EARLIER@
#endif
  mirror: always

# When this pref is enabled, the JS validator will be enabled for
# ORB.
- name: browser.opaqueResponseBlocking.javascriptValidator
  type: bool
  value: @IS_EARLY_BETA_OR_EARLIER@
  mirror: always

# This pref controls how filtering of opaque responses for calls to `Window.fetch`.
# (and similar) is performed in the parent process. This is intended to make sure
# that data that would be filtered in a content process never actually reaches that
# content process.
# See https://fetch.spec.whatwg.org/#concept-filtered-response-opaque
#   0) Don't filter in the parent process at all, and let content processes handle
#      opaque filtering. Regardless of if ORB is enabled or not. N.B. that if ORB
#      is enabled opaque responses will be blocked.
#   1) If ORB is enabled, in the parent process, filter the responses that ORB allows.
#      N.B. any responses ORB doesn't allow will not send data to a content process
#      since they will return a NetworkError. If the request is allowed by ORB, the
#      internal response will be intact and sent to the content process as is.
#   2) If ORB is enabled, in the parent process, filter the responses that ORB blocks,
#      when they were issued by `Window.fetch` (and similar).
#   3) Filter all responses in the parent, regardless of if ORB is enabled or not.
#      This means that opaque responses coming from `Window.fetch` won't even be
#      considered for being blocked by ORB.
- name: browser.opaqueResponseBlocking.filterFetchResponse
  type: uint32_t
  value: 2
  mirror: always
  do_not_use_directly: true

# This pref controls how exceptions to opaque response blocking for the media MIME types
# `audio/*` and `video/*` are handled. This is because step 8 in the spec that performs
# audio or video type pattern matching cannot handle certain MIME types (yet).
# See https://whatpr.org/fetch/1442.html#orb-algorithm
#   0) No exceptions
#   1) Some exceptions, explicitly hard coded in `IsOpaqueSafeListedSpecBreakingMIMEType`
#   2) Allow all MIME types beginning with `audio/*` or `video/*`.
- name: browser.opaqueResponseBlocking.mediaExceptionsStrategy
  type: uint32_t
  value: 1
  mirror: always
  do_not_use_directly: true

# When this pref is enabled, <object> and <embed> elements will create
# synthetic documents when the resource type they're loading is an image.
- name: browser.opaqueResponseBlocking.syntheticBrowsingContext
  type: bool
  value: true
  mirror: once

# When this pref is enabled, <object> and <embed> elements will filter the
# browsing contexts created for the synthetic browsing contexts for the
# synthetic documents when browser.opaqueResponseBlocking.syntheticBrowsingContext
# is enabled from `Window.frames`, `Window.length` and named targeting.
- name: browser.opaqueResponseBlocking.syntheticBrowsingContext.filter
  type: bool
  value: true
  mirror: once
  do_not_use_directly: true

# When true, zooming will be enabled on all sites, even ones that declare
# user-scalable=no.
- name: browser.ui.zoom.force-user-scalable
  type: RelaxedAtomicBool
  value: false
  mirror: always

- name: browser.underline_anchors
  type: bool
  value: true
  mirror: always

- name: browser.viewport.desktopWidth
  type: RelaxedAtomicInt32
  value: 980
  mirror: always

- name: browser.visited_color
  type: String
  value: "#551A8B"
  mirror: never

# If you change this, you probably also want to change
# nsXPLookAndFeel::GenericDarkColor for MozNativevisitedhyperlinktext.
- name: browser.visited_color.dark
  type: String
  value: "#FFADFF"
  mirror: never

# When true, soft reloads (including location.reload())
# will only froce validate the top level document, subresources will
# be loaded normally as-if users normally navigated to the page.
- name: browser.soft_reload.only_force_validate_top_level_document
  type: bool
  value: true
  mirror: always

#---------------------------------------------------------------------------
# Prefs starting with "canvas."
#---------------------------------------------------------------------------

# Limit for the canvas image cache. 0 means unlimited.
- name: canvas.image.cache.limit
  type: int32_t
  value: 0
  mirror: always

# Add support for canvas path objects
- name: canvas.path.enabled
  type: RelaxedAtomicBool
  value: true
  mirror: always

- name: canvas.capturestream.enabled
  type: bool
  value: true
  mirror: always

# Is support for CanvasRenderingContext2D.filter enabled?
- name: canvas.filters.enabled
  type: bool
  value: true
  mirror: always

# Provide ability to turn on support for canvas focus rings.
- name: canvas.focusring.enabled
  type: bool
  value: true
  mirror: always

# Is support for CanvasRenderingContext2D's createConicGradient API enabled?
- name: canvas.createConicGradient.enabled
  type: RelaxedAtomicBool
  value: true
  mirror: always

#---------------------------------------------------------------------------
# Prefs starting with "channelclassifier."
#---------------------------------------------------------------------------

- name: channelclassifier.allowlist_example
  type: bool
  value: false
  mirror: always

#---------------------------------------------------------------------------
# Prefs starting with "clipboard."
#---------------------------------------------------------------------------

# Clipboard behavior.
- name: clipboard.autocopy
  type: bool
#if !defined(ANDROID) && !defined(XP_MACOSX) && defined(XP_UNIX)
  value: true
#else
  value: false
#endif
  mirror: always

#ifdef XP_WIN
  # allow to copy clipboard data to Clipboard History/Cloud
  # (used on sensitive data in about:logins and Private Browsing)
-   name: clipboard.copyPrivateDataToClipboardCloudOrHistory
    type: bool
    value: false
    mirror: always
#endif

#---------------------------------------------------------------------------
# Prefs starting with "consoleservice."
#---------------------------------------------------------------------------

#if defined(ANDROID)
  # Disable sending console to logcat on release builds.
-   name: consoleservice.logcat
    type: RelaxedAtomicBool
    value: @IS_NOT_RELEASE_OR_BETA@
    mirror: always
#endif

#---------------------------------------------------------------------------
# Prefs starting with "content."
#---------------------------------------------------------------------------

- name: content.cors.disable
  type: bool
  value: false
  mirror: always

# Back off timer notification after count.
# -1 means never.
- name: content.notify.backoffcount
  type: int32_t
  value: -1
  mirror: always

# Notification interval in microseconds.
# The notification interval has a dramatic effect on how long it takes to
# initially display content for slow connections. The current value
# provides good incremental display of content without causing an increase
# in page load time. If this value is set below 1/10 of a second it starts
# to impact page load performance.
# See bugzilla bug 72138 for more info.
- name: content.notify.interval
  type: int32_t
  value: 120000
  mirror: always

# Do we notify based on time?
- name: content.notify.ontimer
  type: bool
  value: true
  mirror: always

# How many times to deflect in interactive mode.
- name: content.sink.interactive_deflect_count
  type: int32_t
  value: 0
  mirror: always

# How many times to deflect in perf mode.
- name: content.sink.perf_deflect_count
  type: int32_t
  value: 200
  mirror: always

# Parse mode for handling pending events.
# 0 = don't check for pending events
# 1 = don't deflect if there are pending events
# 2 = bail if there are pending events
- name: content.sink.pending_event_mode
  type: int32_t
#ifdef XP_WIN
  value: 1
#else
  value: 0
#endif
  mirror: always

# How often to probe for pending events. 1 = every token.
- name: content.sink.event_probe_rate
  type: int32_t
  value: 1
  mirror: always

# How long to stay off the event loop in interactive mode (microseconds).
- name: content.sink.interactive_parse_time
  type: int32_t
  value: 3000
  mirror: always

# How long to stay off the event loop in perf mode.
- name: content.sink.perf_parse_time
  type: int32_t
  value: 30000
  mirror: always

#  How long to be in interactive mode after an event.
- name: content.sink.interactive_time
  type: uint32_t
  value: 750000
  mirror: always

# How long to stay in perf mode after initial loading.
- name: content.sink.initial_perf_time
  type: uint32_t
  value: 2000000
  mirror: always

# Should we switch between perf-mode and interactive-mode?
# 0 = Switch
# 1 = Interactive mode
# 2 = Perf mode
- name: content.sink.enable_perf_mode
  type: int32_t
  value: 0
  mirror: always

#---------------------------------------------------------------------------
# Prefs starting with "converter."
#---------------------------------------------------------------------------

# Whether we include ruby annotation in the text despite whether it
# is requested. This was true because we didn't explicitly strip out
# annotations. Set false by default to provide a better behavior, but
# we want to be able to pref-off it if user doesn't like it.
- name: converter.html2txt.always_include_ruby
  type: bool
  value: false
  mirror: always

#---------------------------------------------------------------------------
# Prefs starting with "cookiebanners."
#---------------------------------------------------------------------------

# Controls the cookie banner handling mode in normal browsing.
# 0: Disables all cookie banner handling.
# 1: Reject-all if possible, otherwise do nothing.
# 2: Reject-all if possible, otherwise accept-all.
- name: cookiebanners.service.mode
  type: uint32_t
  value: 0
  mirror: always

# When set to true, cookie banners are detected and detection events are
# dispatched, but they will not be handled. Requires the service to be enabled
# for the desired mode via pref cookiebanners.service.mode*
- name: cookiebanners.service.detectOnly
  type: bool
  value: false
  mirror: always

# Controls the cookie banner handling mode in private browsing. Same mode
# options as the normal browsing pref above.
- name: cookiebanners.service.mode.privateBrowsing
  type: uint32_t
  value: 0
  mirror: always

# Enables use of global CookieBannerRules, which apply to all sites. This is
# used for click rules that can handle common Consent Management Providers
# (CMP).
# Enabling this (when the cookie handling feature is enabled) may negatively
# impact site performance since it requires us to run rule-defined query
# selectors for every page.
- name: cookiebanners.service.enableGlobalRules
  type: bool
  value: false
  mirror: always

# Enables the cookie banner cookie injector. The cookie banner cookie injector
# depends on the `cookiebanners.service.mode` pref above.
- name: cookiebanners.cookieInjector.enabled
  type: bool
  value: true
  mirror: always


# By default, how many seconds in the future cookies should expire after they
# have been injected. Defaults to 12 months. Individual cookie rules may
# override this.
- name: cookiebanners.cookieInjector.defaultExpiryRelative
  type: uint32_t
  value: 31536000
  mirror: always

# Enables the cookie banner auto clicking. The cookie banner auto clicking
# depends on the `cookiebanners.service.mode` pref above.
- name: cookiebanners.bannerClicking.enabled
  type: bool
  value: true
  mirror: always

# The maximum time in ms for detecting banner and button elements for cookie
# banner auto clicking.
- name: cookiebanners.bannerClicking.timeout
  type: uint32_t
  value: 3000
  mirror: always

# Whether or not banner auto clicking test mode is enabled.
- name: cookiebanners.bannerClicking.testing
  type: bool
  value: false
  mirror: always

#---------------------------------------------------------------------------
# Prefs starting with "datareporting."
#---------------------------------------------------------------------------

- name: datareporting.healthreport.uploadEnabled
  type: RelaxedAtomicBool
  value: false
  mirror: always
  rust: true

#---------------------------------------------------------------------------
# Prefs starting with "device."
#---------------------------------------------------------------------------

# Is support for the device sensors API enabled?
- name: device.sensors.enabled
  type: bool
  value: true
  mirror: always

# KaiOS-only, see https://bugzilla.mozilla.org/show_bug.cgi?id=1699707#c10
- name: device.sensors.ambientLight.enabled
  type: bool
  value: false
  mirror: always

- name: device.sensors.motion.enabled
  type: bool
  value: true
  mirror: always

- name: device.sensors.orientation.enabled
  type: bool
  value: true
  mirror: always

# KaiOS-only, see https://bugzilla.mozilla.org/show_bug.cgi?id=1699707#c10
- name: device.sensors.proximity.enabled
  type: bool
  value: false
  mirror: always

- name: device.sensors.test.events
  type: bool
  value: false
  mirror: always

#---------------------------------------------------------------------------
# Prefs starting with "devtools."
#---------------------------------------------------------------------------

- name: devtools.console.stdout.chrome
  type: RelaxedAtomicBool
  value: @IS_NOT_MOZILLA_OFFICIAL@
  mirror: always

- name: devtools.console.stdout.content
  type: RelaxedAtomicBool
  value: false
  mirror: always

- name: devtools.toolbox.force-chrome-prefs
  type: RelaxedAtomicBool
  value: true
  mirror: always

#---------------------------------------------------------------------------
# Prefs starting with "docshell."
#---------------------------------------------------------------------------

# Used to indicate whether session history listeners should be notified
# about content viewer eviction. Used only for testing.
- name: docshell.shistory.testing.bfevict
  type: bool
  value: false
  mirror: always

# If true, pages with an opener won't be bfcached.
- name: docshell.shistory.bfcache.require_no_opener
  type: bool
  value: @IS_ANDROID@
  mirror: always

# If true, page with beforeunload or unload event listeners can be bfcached.
- name: docshell.shistory.bfcache.allow_unload_listeners
  type: bool
  value: @IS_ANDROID@
  mirror: always

# If true, page with beforeunload event listeners can be bfcached.
# This only works when sessionHistoryInParent is enabled.
- name: docshell.shistory.bfcache.ship_allow_beforeunload_listeners
  type: bool
  value: @IS_EARLY_BETA_OR_EARLIER@
  mirror: always

#---------------------------------------------------------------------------
# Prefs starting with "dom."
#---------------------------------------------------------------------------

# Allow cut/copy
- name: dom.allow_cut_copy
  type: bool
  value: true
  mirror: always

- name: dom.allow_XUL_XBL_for_file
  type: bool
  value: false
  mirror: always

# Checks if offscreen animation throttling is enabled.
- name: dom.animations.offscreen-throttling
  type: bool
  value: true
  mirror: always

# Is support for automatically removing replaced filling animations enabled?
- name: dom.animations-api.autoremove.enabled
  type: bool
  value: true
  mirror: always

# Is support for composite operations from the Web Animations API enabled?
- name: dom.animations-api.compositing.enabled
  type: bool
  value: true
  mirror: always

# Is support for the core interfaces of Web Animations API enabled?
- name: dom.animations-api.core.enabled
  type: bool
  value: true
  mirror: always

# Is support for Document.getAnimations() and Element.getAnimations()
# supported?
- name: dom.animations-api.getAnimations.enabled
  type: bool
  value: true
  mirror: always

# Is support for animations from the Web Animations API without 0%/100%
# keyframes enabled?
- name: dom.animations-api.implicit-keyframes.enabled
  type: bool
  value: true
  mirror: always

# Is support for timelines from the Web Animations API enabled?
- name: dom.animations-api.timelines.enabled
  type: bool
  value: true
  mirror: always

# Synchronize transform animations with geometric animations on the
# main thread.
- name: dom.animations.mainthread-synchronization-with-geometric-animations
  type: bool
  value: @IS_NOT_NIGHTLY_BUILD@
  mirror: always

# Is support for AudioWorklet enabled?
- name: dom.audioworklet.enabled
  type: bool
  value: true
  mirror: always

# Is support for Navigator.getBattery enabled?
- name: dom.battery.enabled
  type: bool
  value: true
  mirror: always

# Block multiple external protocol URLs in iframes per single event.
- name: dom.block_external_protocol_in_iframes
  type: bool
  value: true
  mirror: always

# Block sandboxed BrowsingContexts from navigating to external protocols.
- name: dom.block_external_protocol_navigation_from_sandbox
  type: bool
  value: true
  mirror: always

# Block Insecure downloads from Secure Origins
- name: dom.block_download_insecure
  type: bool
  value: true
  mirror: always

# Block all downloads in iframes with the sandboxed attribute
- name: dom.block_download_in_sandboxed_iframes
  type: bool
  value: true
  mirror: always

# Block multiple window.open() per single event.
- name: dom.block_multiple_popups
  type: bool
  value: true
  mirror: always

# The maximum number of popup that is allowed to be opened. Set to -1 for no
# limit.
- name: dom.popup_maximum
  type: int32_t
  value: 20
  mirror: always

# Whether Window.{inner,outer}{Width,Height} and screen{X,Y}
# behave as replaceable properties unconditionally.
- name: dom.window_position_size_properties_replaceable.enabled
  type: bool
  value: true
  mirror: always

# Whether window.location.reload() and window.history.go(0) should be blocked
# when called directly from a window resize event handler.
#
# This used to be necessary long ago to prevent terrible UX when using stuff
# like TypeAheadFind (bug 258917), but it also causes compat issues on mobile
# (bug 1570566).
- name: dom.block_reload_from_resize_event_handler
  type: bool
  value: false
  mirror: always

# SW Cache API
- name: dom.caches.enabled
  type: RelaxedAtomicBool
  value: true
  mirror: always

# Exposes window.caches and skips SecureContext check.
# dom.serviceWorkers.testing.enabled also includes the same effect.
- name: dom.caches.testing.enabled
  type: RelaxedAtomicBool
  value: false
  mirror: always

# Disable capture attribute for input elements; only supported on GeckoView.
- name: dom.capture.enabled
  type: bool
  value: false
  mirror: always

# HTML specification says the level should be 5
# https://html.spec.whatwg.org/#timer-initialisation-steps
- name: dom.clamp.timeout.nesting.level
  type: uint32_t
  value: 5
  mirror: once

# Disable custom highlight API; implementation pending.
- name: dom.customHighlightAPI.enabled
  type: RelaxedAtomicBool
  value: false
  mirror: always
  rust: true

# Allow control characters appear in composition string.
# When this is false, control characters except
# CHARACTER TABULATION (horizontal tab) are removed from
# both composition string and data attribute of compositionupdate
# and compositionend events.
- name: dom.compositionevent.allow_control_characters
  type: bool
  value: false
  mirror: always

# Compression Streams (CompressionStream/DecompressionStream)
- name: dom.compression_streams.enabled
  type: RelaxedAtomicBool
  value: true
  mirror: always

- name: dom.crypto.randomUUID.enabled
  type: RelaxedAtomicBool
  value: true
  mirror: always

# Is support for CSSPseudoElement enabled?
- name: dom.css_pseudo_element.enabled
  type: bool
  value: false
  mirror: always

# After how many seconds we allow external protocol URLs in iframe when not in
# single events
- name: dom.delay.block_external_protocol_in_iframes
  type: uint32_t
  value: 10   # in seconds
  mirror: always

# Whether the above pref has any effect at all.
# Make sure cases like bug 1795380 work before trying to turn this off. See
# bug 1680721 for some other context that might be relevant.
- name: dom.delay.block_external_protocol_in_iframes.enabled
  type: bool
  value: true
  mirror: always

# HTML <dialog> element
- name: dom.dialog_element.enabled
  type: bool
  value: true
  mirror: always

# Only propagate the open window click permission if the setTimeout() is equal
# to or less than this value.
- name: dom.disable_open_click_delay
  type: int32_t
  value: 1000
  mirror: always

- name: dom.disable_open_during_load
  type: bool
  value: false
  mirror: always

- name: dom.disable_beforeunload
  type: bool
  value: false
  mirror: always

- name: dom.require_user_interaction_for_beforeunload
  type: bool
  value: true
  mirror: always

# Enable/disable Gecko specific edit commands
- name: dom.document.edit_command.contentReadOnly.enabled
  type: bool
  value: @IS_NOT_EARLY_BETA_OR_EARLIER@
  mirror: always

- name: dom.document.edit_command.insertBrOnReturn.enabled
  type: bool
  value: @IS_NOT_EARLY_BETA_OR_EARLIER@
  mirror: always

# If set this to true, `Document.execCommand` may be performed nestedly.
# Otherwise, nested calls just return false.
- name: dom.document.exec_command.nested_calls_allowed
  type: bool
  value: false
  mirror: always

- name: dom.enable_window_print
  type: bool
  value: true
  mirror: always

# Only intended for fuzzing purposes, this will break mozPrintCallback, etc.
- name: dom.window_print.fuzzing.block_while_printing
  type: bool
  value: false
  mirror: always

- name: dom.element.transform-getters.enabled
  type: bool
  value: false
  mirror: always

# Whether the popover attribute implementation is enabled,
# see https://html.spec.whatwg.org/#the-popover-attribute
- name: dom.element.popover.enabled
  type: RelaxedAtomicBool
  value: false
  mirror: always
  rust: true

# Controls whether the "focus fixup rule" is enabled. Subject to minor changes
# based on https://github.com/whatwg/html/pull/8392 and
# https://github.com/whatwg/html/issues/8225
- name: dom.focus.fixup
  type: bool
  value: true
  mirror: always

- name: dom.mouse_capture.enabled
  type: bool
  value: true
  mirror: always

# Is support for Performance.mozMemory enabled?
- name: dom.enable_memory_stats
  type: bool
  value: false
  mirror: always

# Enable Performance API
# Whether nonzero values can be returned from performance.timing.*
- name: dom.enable_performance
  type: RelaxedAtomicBool
  value: true
  mirror: always

# Enable Performance Observer API
- name: dom.enable_performance_observer
  type: RelaxedAtomicBool
  value: true
  mirror: always

# Whether resource timing will be gathered and returned by performance.GetEntries*
- name: dom.enable_resource_timing
  type: bool
  value: true
  mirror: always

# Whether event timing will be gathered and returned by performance observer*
- name: dom.enable_event_timing
  type: RelaxedAtomicBool
  value: true
  mirror: always

# Whether the LargestContentfulPaint API will be gathered and returned by performance observer*
- name: dom.enable_largest_contentful_paint
  type: RelaxedAtomicBool
  value: false
  mirror: always

# Whether performance.GetEntries* will contain an entry for the active document
- name: dom.enable_performance_navigation_timing
  type: bool
  value: true
  mirror: always

# Whether the scheduler interface will be exposed
- name: dom.enable_web_task_scheduling
  type: RelaxedAtomicBool
  value: @IS_NIGHTLY_BUILD@
  mirror: always

# If this is true, it's allowed to fire "cut", "copy" and "paste" events.
# Additionally, "input" events may expose clipboard content when inputType
# is "insertFromPaste" or something.
- name: dom.event.clipboardevents.enabled
  type: bool
  value: true
  mirror: always

# Whether touch event listeners are passive by default.
- name: dom.event.default_to_passive_touch_listeners
  type: bool
  value: true
  mirror: always

# Whether wheel listeners are passive by default.
- name: dom.event.default_to_passive_wheel_listeners
  type: bool
  value: true
  mirror: always

- name: dom.event.dragexit.enabled
  type: bool
  value: @IS_NOT_NIGHTLY_BUILD@
  mirror: always

# Whether wheel event target's should be grouped. When enabled, all wheel
# events that occur in a given wheel transaction have the same event target.
- name: dom.event.wheel-event-groups.enabled
  type: bool
  value: @IS_EARLY_BETA_OR_EARLIER@
  mirror: always

# Whether WheelEvent should return pixels instead of lines for
# WheelEvent.deltaX/Y/Z, when deltaMode hasn't been checked.
#
# Other browsers don't use line deltas and websites forget to check for it, see
# bug 1392460.
- name: dom.event.wheel-deltaMode-lines.disabled
  type: bool
  value: true
  mirror: always

# Mostly for debugging. Whether we should do the same as
# dom.event.wheel-deltaMode-lines.disabled, but unconditionally rather than
# only when deltaMode hasn't been checked.
- name: dom.event.wheel-deltaMode-lines.always-disabled
  type: bool
  value: false
  mirror: always

# A blocklist (list of domains) for the
# dom.event.wheel-deltaMode-lines.disabled behavior, in case potential
# unforeseen problems with it arrive.
- name: dom.event.wheel-deltaMode-lines.always-enabled
  type: String
  value: ""
  mirror: never

#if defined(XP_MACOSX)
# Whether to disable treating ctrl click as right click
- name: dom.event.treat_ctrl_click_as_right_click.disabled
  type: bool
  value: @IS_NIGHTLY_BUILD@
  mirror: always
#endif

# Whether .offset{X,Y} for events targeted at SVG nodes returns bounds relative
# to the outer SVG.
- name: dom.events.offset-in-svg-relative-to-svg-root
  type: bool
  value: true
  mirror: always

# Disable clipboard.read(), clipboard.write() and ClipboardItem by default
- name: dom.events.asyncClipboard.clipboardItem
  type: bool
  value: false
  mirror: always

# Skips checking permission and user activation when accessing the clipboard.
# Should only be enabled in tests.
# Access with Clipboard::IsTestingPrefEnabled().
- name: dom.events.testing.asyncClipboard
  type: bool
  value: false
  mirror: always
  do_not_use_directly: true

# Control whether `navigator.clipboard.readText()` is exposed to content.
# Currently not supported by GeckoView, see bug 1776829.
- name: dom.events.asyncClipboard.readText
  type: bool
  value: false
  mirror: always
  do_not_use_directly: true

# This pref controls whether or not the `protected` dataTransfer state is
# enabled. If the `protected` dataTransfer stae is disabled, then the
# DataTransfer will be read-only whenever it should be protected, and will not
# be disconnected after a drag event is completed.
- name: dom.events.dataTransfer.protected.enabled
  type: bool
  value: false
  mirror: always

# Whether to hide normal files (i.e. non-images) in dataTransfer inside
# the content process.
- name: dom.events.dataTransfer.mozFile.enabled
  type: bool
  value: @IS_NIGHTLY_BUILD@
  mirror: always

- name: dom.events.dataTransfer.imageAsFile.enabled
  type: bool
  value: false
  mirror: always

# User interaction timer interval, in ms
- name: dom.events.user_interaction_interval
  type: uint32_t
  value: 5000
  mirror: always

# Whether to try to compress touchmove events on IPC layer.
- name: dom.events.compress.touchmove
  type: bool
  value: true
  mirror: always

# In addition to the above IPC layer compresison, allow touchmove
# events to be further coalesced in the child side after they
# are sent.
- name: dom.events.coalesce.touchmove
  type: bool
  value: true
  mirror: always

# Allow mousemove events to be coalesced in the child side after they are sent.
- name: dom.events.coalesce.mousemove
  type: bool
  value: true
  mirror: always

# Whether to expose test interfaces of various sorts
- name: dom.expose_test_interfaces
  type: bool
  value: false
  mirror: always

- name: dom.fetchObserver.enabled
  type: RelaxedAtomicBool
  value: false
  mirror: always

# Allow the content process to create a File from a path. This is allowed just
# on parent process, on 'file' Content process, or for testing.
- name: dom.file.createInChild
  type: RelaxedAtomicBool
  value: false
  mirror: always

# Support @autocomplete values for form autofill feature.
- name: dom.forms.autocomplete.formautofill
  type: bool
  value: false
  mirror: always

# Only trusted submit event could trigger form submission.
- name: dom.forms.submit.trusted_event_only
  type: bool
  value: false
  mirror: always

# This pref just controls whether we format the number with grouping separator
# characters when the internal value is set or updated. It does not stop the
# user from typing in a number and using grouping separators.
- name: dom.forms.number.grouping
  type: bool
  value: false
  mirror: always

# Whether fullscreen should make the rest of the document inert.
# This matches other browsers but historically not Gecko.
- name: dom.fullscreen.modal
  type: bool
  value: true
  mirror: always

# Whether the Gamepad API is enabled
- name: dom.gamepad.enabled
  type: bool
  value: true
  mirror: always

# Is Gamepad Extension API enabled?
- name: dom.gamepad.extensions.enabled
  type: bool
  value: true
  mirror: always

# Is LightIndicator API enabled in Gamepad Extension API?
- name: dom.gamepad.extensions.lightindicator
  type: bool
  value: false
  mirror: always

# Is MultiTouch API enabled in Gamepad Extension API?
- name: dom.gamepad.extensions.multitouch
  type: bool
  value: false
  mirror: always

# Is Gamepad vibrate haptic feedback function enabled?
- name: dom.gamepad.haptic_feedback.enabled
  type: bool
  value: true
  mirror: always

- name: dom.gamepad.non_standard_events.enabled
  type: bool
  value: @IS_NOT_RELEASE_OR_BETA@
  mirror: always

- name: dom.gamepad.test.enabled
  type: RelaxedAtomicBool
  value: false
  mirror: always

# W3C draft ImageCapture API
- name: dom.imagecapture.enabled
  type: bool
  value: false
  mirror: always

# <img loading="lazy">
#
# See https://github.com/whatwg/html/pull/3752
- name: dom.image-lazy-loading.enabled
  type: RelaxedAtomicBool
  value: true
  mirror: always

# The root margin for image lazy loading, defined as four (value, percentage)
# pairs.
- name: dom.image-lazy-loading.root-margin.top
  type: float
  value: 600
  mirror: always

- name: dom.image-lazy-loading.root-margin.top.percentage
  type: bool
  value: false
  mirror: always

- name: dom.image-lazy-loading.root-margin.bottom
  type: float
  value: 600
  mirror: always

- name: dom.image-lazy-loading.root-margin.bottom.percentage
  type: bool
  value: false
  mirror: always

- name: dom.image-lazy-loading.root-margin.left
  type: float
  value: 600
  mirror: always

- name: dom.image-lazy-loading.root-margin.left.percentage
  type: bool
  value: false
  mirror: always

- name: dom.image-lazy-loading.root-margin.right
  type: float
  value: 600
  mirror: always

- name: dom.image-lazy-loading.root-margin.right.percentage
  type: bool
  value: false
  mirror: always

# Enable indexedDB in private browsing mode with encryption
- name: dom.indexedDB.privateBrowsing.enabled
  type: RelaxedAtomicBool
  value: true
  mirror: always

# Whether or not indexedDB test mode is enabled.
- name: dom.indexedDB.testing
  type: RelaxedAtomicBool
  value: false
  mirror: always

# Whether or not indexedDB experimental features are enabled.
- name: dom.indexedDB.experimental
  type: RelaxedAtomicBool
  value: false
  mirror: always

# Whether or not indexedDB preprocessing is enabled.
- name: dom.indexedDB.preprocessing
  type: RelaxedAtomicBool
  value: false
  mirror: always

- name: dom.input_events.beforeinput.enabled
  type: bool
  value: true
  mirror: always

# Whether innerWidth / innerHeight return rounded or fractional sizes.
#
# NOTE(emilio): Fractional sizes are not web-compatible, see the regressions
# from bug 1676843, but we want to expose the fractional sizes (probably in
# another API) one way or another, see [1], so we're keeping the code for the
# time being.
#
# [1]: https://github.com/w3c/csswg-drafts/issues/5260
- name: dom.innerSize.rounded
  type: bool
  value: true
  mirror: always

# Whether we conform to Input Events Level 1 or Input Events Level 2.
# true:  conforming to Level 1
# false: conforming to Level 2
- name: dom.input_events.conform_to_level_1
  type: bool
  value: true
  mirror: always

# Whether we allow BrowsingContextGroup to suspend input events
- name: dom.input_events.canSuspendInBCG.enabled
  type: bool
  value: false
  mirror: always

# The minimum number of ticks after page navigation
# that need to occur before user input events are allowed to be handled.
- name: dom.input_events.security.minNumTicks
  type: uint32_t
  value: 3
  mirror: always

# The minimum elapsed time (in milliseconds) after page navigation
# for user input events are allowed to be handled.
- name: dom.input_events.security.minTimeElapsedInMS
  type: uint32_t
  value: 100
  mirror: always

# By default user input handling delay is disabled (mostly) for testing ,
# this is used for forcefully enable it for certain tests.
- name: dom.input_events.security.isUserInputHandlingDelayTest
  type: bool
  value: false
  mirror: always

# The maximum time (milliseconds) we reserve for handling input events in each
# frame.
- name: dom.input_event_queue.duration.max
  type: uint32_t
  value: 8
  mirror: always

# Enable not moving the cursor to end when a text input or textarea has .value
# set to the value it already has.  By default, enabled.
- name: dom.input.skip_cursor_move_for_same_value_set
  type: bool
  value: true
  mirror: always

- name: dom.ipc.cancel_content_js_when_navigating
  type: bool
  value: true
  mirror: always

# How often to check for CPOW timeouts (ms). CPOWs are only timed
# out by the hang monitor.
- name: dom.ipc.cpow.timeout
  type: uint32_t
  value: 500
  mirror: always

#ifdef MOZ_ENABLE_FORKSERVER
- name: dom.ipc.forkserver.enable
  type: bool
  value: false
  mirror: once
#endif

#ifdef MOZ_WIDGET_GTK
#
# Avoid the use of GTK in content processes if possible, by running
# them in headless mode, to conserve resources (e.g., connections to
# the X server).  See the usage in `ContentParent.cpp` for the full
# definition of "if possible".
#
# This does not affect sandbox policies; content processes may still
# dynamically connect to the display server for, e.g., WebGL.
- name: dom.ipc.avoid-gtk
  type: bool
  value: true
  mirror: always
#endif

# Whether or not to collect a paired minidump when force-killing a
# content process.
- name: dom.ipc.tabs.createKillHardCrashReports
  type: bool
  value: @IS_NOT_RELEASE_OR_BETA@
  mirror: once

# Allow Flash async drawing mode in 64-bit release builds.
- name: dom.ipc.plugins.asyncdrawing.enabled
  type: RelaxedAtomicBool
  value: true
  mirror: always

# How long we wait before unloading an idle plugin process.
- name: dom.ipc.plugins.unloadTimeoutSecs
  type: RelaxedAtomicUint32
  value: 30
  mirror: always

- name: dom.ipc.plugins.allow_dxgi_surface
  type: bool
  value: true
  mirror: always

# Enable e10s hang monitoring (slow script checking and plugin hang detection).
- name: dom.ipc.processHangMonitor
  type: bool
  value: true
  mirror: once

# Whether we report such process hangs
- name: dom.ipc.reportProcessHangs
  type: RelaxedAtomicBool
# Don't report hangs in DEBUG builds. They're too slow and often a
# debugger is attached.
#ifdef DEBUG
  value: false
#else
  value: true
#endif
  mirror: always

- name: dom.ipc.tabs.disabled
  type: bool
  value: false
  mirror: always

# Process launch delay (in milliseconds).
- name: dom.ipc.processPrelaunch.delayMs
  type: uint32_t
# This number is fairly arbitrary ... the intention is to put off
# launching another app process until the last one has finished
# loading its content, to reduce CPU/memory/IO contention.
  value: 1000
  mirror: always

- name: dom.ipc.processPrelaunch.startupDelayMs
  type: uint32_t
# delay starting content processes for a short time after browser start
# to provide time for the UI to come up
  value: 1000
  mirror: always

# Process preallocation cache
# Only used in fission; in e10s we use 1 always
- name: dom.ipc.processPrelaunch.fission.number
  type: uint32_t
  value: 3
  mirror: always

# Limit preallocated processes below this memory size (in MB)
- name: dom.ipc.processPrelaunch.lowmem_mb
  type: uint32_t
  value: 4096
  mirror: always

- name: dom.ipc.processPriorityManager.enabled
  type: bool
  value: false
  mirror: always

- name: dom.ipc.processPriorityManager.testMode
  type: bool
  value: false
  mirror: always

- name: dom.ipc.processPriorityManager.backgroundPerceivableGracePeriodMS
  type: uint32_t
#if defined(MOZ_WIDGET_ANDROID) && defined(NIGHTLY_BUILD)
  value: 3000
#else
  value: 0
#endif
  mirror: always

- name: dom.ipc.processPriorityManager.backgroundGracePeriodMS
  type: uint32_t
#if defined(MOZ_WIDGET_ANDROID) && defined(NIGHTLY_BUILD)
  value: 3000
#else
  value: 0
#endif
  mirror: always

#ifdef XP_WIN
- name: dom.ipc.processPriorityManager.backgroundUsesEcoQoS
  type: bool
  value: false
  mirror: always
#endif

# Is support for HTMLElement.autocapitalize enabled?
- name: dom.forms.autocapitalize
  type: bool
  value: true
  mirror: always

# Support for input type=month, type=week. By default, disabled.
- name: dom.forms.datetime.others
  type: bool
  value: @IS_ANDROID@
  mirror: always

# Is support for HTMLElement.enterKeyHint enabled?
- name: dom.forms.enterkeyhint
  type: bool
  value: true
  mirror: always

# Is support for HTMLElement.inputMode enabled?
- name: dom.forms.inputmode
  type: bool
  value: true
  mirror: always

- name: dom.forms.always_allow_pointer_events.enabled
  type: bool
  value: @IS_NIGHTLY_BUILD@
  mirror: always

# Is support for key events and focus events on disabled elements enabled?
- name: dom.forms.always_allow_key_and_focus_events.enabled
  type: bool
  value: @IS_NIGHTLY_BUILD@
  mirror: always

# Is support for HTMLInputElement.showPicker enabled?
- name: dom.input.showPicker
  type: bool
  value: true
  mirror: always

# Whether to allow or disallow web apps to cancel `beforeinput` events caused
# by MozEditableElement#setUserInput() which is used by autocomplete, autofill
# and password manager.
- name: dom.input_event.allow_to_cancel_set_user_input
  type: bool
  value: false
  mirror: always

# How long a content process can take before closing its IPC channel
# after shutdown is initiated.  If the process exceeds the timeout,
# we fear the worst and kill it.
- name: dom.ipc.tabs.shutdownTimeoutSecs
  type: RelaxedAtomicUint32
#if !defined(DEBUG) && !defined(MOZ_ASAN) && !defined(MOZ_VALGRIND) && !defined(MOZ_TSAN)
  value: 20
#else
  value: 0
#endif
  mirror: always

# Whether a native event loop should be used in the content process.
- name: dom.ipc.useNativeEventProcessing.content
  type: RelaxedAtomicBool
#if defined(XP_WIN) || defined(XP_MACOSX)
  value: false
#else
  value: true
#endif
  mirror: always

# If this is true, TextEventDispatcher dispatches keydown and keyup events
# even during composition (keypress events are never fired during composition
# even if this is true).
- name: dom.keyboardevent.dispatch_during_composition
  type: bool
  value: true
  mirror: always

# Enable/disable KeyboardEvent.initKeyEvent function
- name: dom.keyboardevent.init_key_event.enabled
  type: bool
  value: false
  mirror: always

# Enable/disable KeyboardEvent.initKeyEvent function in addons even if it's
# disabled.
- name: dom.keyboardevent.init_key_event.enabled_in_addons
  type: bool
  value: true
  mirror: always

# If this is true, keypress events for non-printable keys are dispatched only
# for event listeners of the system event group in web content.
- name: dom.keyboardevent.keypress.dispatch_non_printable_keys_only_system_group_in_content
  type: bool
  value: true
  mirror: always

# If this is true, "keypress" event's keyCode value and charCode value always
# become same if the event is not created/initialized by JS.
- name: dom.keyboardevent.keypress.set_keycode_and_charcode_to_same_value
  type: bool
  value: true
  mirror: always

# Whether "W3C Web Manifest" processing is enabled
- name: dom.manifest.enabled
  type: bool
  value: true
  mirror: always

# Enable mapped array buffer by default.
- name: dom.mapped_arraybuffer.enabled
  type: bool
  value: true
  mirror: always

# Autoplay Policy Detection https://w3c.github.io/autoplay/
- name: dom.media.autoplay-policy-detection.enabled
  type: RelaxedAtomicBool
  value: true
  mirror: always

# Media Session API
- name: dom.media.mediasession.enabled
  type: bool
  value: true
  mirror: always

# Whether HTMLMediaElement.mozPreservesPitch is enabled.
- name: dom.media.mozPreservesPitch.enabled
  type: bool
  value: false
  mirror: always

# WebCodecs API
- name: dom.media.webcodecs.enabled
  type: RelaxedAtomicBool
  value: false
  mirror: always

# Number of seconds of very quiet or silent audio before considering the audio
# inaudible.
- name: dom.media.silence_duration_for_audibility
  type: AtomicFloat
  value: 2.0f
  mirror: always

# Inform mozjemalloc that the foreground content processes can keep more dirty
# pages in memory.
- name: dom.memory.foreground_content_processes_have_larger_page_cache
  type: bool
  value: true
  mirror: always

# Enable meta-viewport support in remote APZ-enabled frames.
- name: dom.meta-viewport.enabled
  type: RelaxedAtomicBool
  value: false
  mirror: always

# Timeout clamp in ms for timeouts we clamp.
- name: dom.min_timeout_value
  type: RelaxedAtomicInt32
  value: 4
  mirror: always

# Timeout clamp in ms for background windows.
- name: dom.min_background_timeout_value
  type: int32_t
  value: 1000
  mirror: always

# Timeout clamp in ms for background windows when throttling isn't enabled.
- name: dom.min_background_timeout_value_without_budget_throttling
  type: int32_t
  value: 1000
  mirror: always

# Are missing-property use counters for certain DOM attributes enabled?
- name: dom.missing_prop_counters.enabled
  type: bool
  value: true
  mirror: always

# Is support for module scripts (<script type="module">) enabled for content?
- name: dom.moduleScripts.enabled
  type: bool
  value: true
  mirror: always

# Is support for import maps (<script type="importmap">) enabled for content?
- name: dom.importMaps.enabled
  type: bool
  value: true
  mirror: always

# Whether we disable triggering mutation events for changes to style
# attribute via CSSOM.
# NOTE: This preference is used in unit tests. If it is removed or its default
# value changes, please update test_sharedMap_static_prefs.js accordingly.
- name: dom.mutation-events.cssom.disabled
  type: bool
  value: true
  mirror: always

# Limit of location change caused by content scripts in a time span per
# BrowsingContext. This includes calls to History and Location APIs.
- name: dom.navigation.locationChangeRateLimit.count
  type: uint32_t
  value: 200
  mirror: always

# Time span in seconds for location change rate limit.
- name: dom.navigation.locationChangeRateLimit.timespan
  type: uint32_t
  value: 10
  mirror: always

# Network Information API
# This feature is not available on Firefox desktop. It exposes too much
# user information. Let's be consistent and disable it on Android.
# But let's keep it around in case it becomes necessary for webcompat
# reasons
# https://bugzilla.mozilla.org/show_bug.cgi?id=1637922
- name: dom.netinfo.enabled
  type: RelaxedAtomicBool
  value: false
  mirror: always

# Whether we should open noopener links in a new process.
- name: dom.noopener.newprocess.enabled
  type: bool
  value: true
  mirror: always

# Whether we shouldn't show an error page for unknown protocols (and should
# show a console warning instead).
- name: dom.no_unknown_protocol_error.enabled
  type: bool
  value: true
  mirror: always

# Whether origin trials are enabled.
- name: dom.origin-trials.enabled
  type: bool
  value: true
  mirror: always

# Whether we use the test key to verify tokens.
- name: dom.origin-trials.test-key.enabled
  type: bool
  value: false
  mirror: always

# Origin trial state for "TestTrial".
# 0: normal, 1: always-enabled, 2: always-disabled
- name: dom.origin-trials.test-trial.state
  type: RelaxedAtomicInt32
  value: 0
  mirror: always

# Origin trial state for COEP: Credentialless.
# 0: normal, 1: always-enabled, 2: always-disabled
- name: dom.origin-trials.coep-credentialless.state
  type: RelaxedAtomicInt32
  value: 0
  mirror: always

# Is support for Window.paintWorklet enabled?
- name: dom.paintWorklet.enabled
  type: bool
  value: false
  mirror: always

# Enable/disable the PaymentRequest API
- name: dom.payments.request.enabled
  type: bool
  value: false
  mirror: always

# Whether a user gesture is required to call PaymentRequest.prototype.show().
- name: dom.payments.request.user_interaction_required
  type: bool
  value: true
  mirror: always

# Time in milliseconds for PaymentResponse to wait for
# the Web page to call complete().
- name: dom.payments.response.timeout
  type: uint32_t
  value: 5000
  mirror: always

# Enable printing performance marks/measures to log
- name: dom.performance.enable_user_timing_logging
  type: RelaxedAtomicBool
  value: false
  mirror: always

- name: dom.performance.children_results_ipc_timeout
  type: uint32_t
  value: 1000
  mirror: always

# Enable notification of performance timing
- name: dom.performance.enable_notify_performance_timing
  type: bool
  value: false
  mirror: always

# Is support for PerformanceTiming.timeToContentfulPaint enabled?
- name: dom.performance.time_to_contentful_paint.enabled
  type: bool
  value: false
  mirror: always

# Is support for PerformanceTiming.timeToDOMContentFlushed enabled?
- name: dom.performance.time_to_dom_content_flushed.enabled
  type: bool
  value: false
  mirror: always

# Is support for PerformanceTiming.timeToFirstInteractive enabled?
- name: dom.performance.time_to_first_interactive.enabled
  type: bool
  value: false
  mirror: always

# Is support for PerformanceTiming.timeToNonBlankPaint enabled?
- name: dom.performance.time_to_non_blank_paint.enabled
  type: bool
  value: false
  mirror: always

# Is support for Permissions.revoke enabled?
- name: dom.permissions.revoke.enable
  type: bool
  value: false
  mirror: always

# This enables width and height attributes and map these attributes to img
# element's style.
- name: dom.picture_source_dimension_attributes.enabled
  type: bool
  value: true
  mirror: always

# Is support for Element.requestPointerLock enabled?
# This is added for accessibility purpose. When user has no way to exit
# pointer lock (e.g. no keyboard available), they can use this pref to
# disable the Pointer Lock API altogether.
- name: dom.pointer-lock.enabled
  type: bool
  value: true
  mirror: always

# re-SAB: Whether to allow postMessage of a SharedArrayBuffer if various
# preconditions related to COOP and COEP are met
- name: dom.postMessage.sharedArrayBuffer.withCOOP_COEP
  type: bool
  value: true
  mirror: once

# Overridden in all.js on RELEASE_OR_BETA in order to add the locked attribute.
- name: dom.postMessage.sharedArrayBuffer.bypassCOOP_COEP.insecure.enabled
  type: RelaxedAtomicBool
  value: false
  mirror: always

# This currently only affects XHTML. For XUL the cache is always allowed.
- name: dom.prototype_document_cache.enabled
  type: bool
  value: true
  mirror: always

# Push
- name: dom.push.enabled
  type: RelaxedAtomicBool
  value: false
  mirror: always

# This enables the SVGPathSeg APIs
- name: dom.svg.pathSeg.enabled
  type: bool
  value: false
  mirror: always

# Preference that is primarily used for testing of problematic file paths.
# It can also be used for switching between different storage directories, but
# such feature is not officially supported.
- name: dom.quotaManager.storageName
  type: String
  value: "storage"
  mirror: never

# An upper limit for the "age" of an origin. Any origin which is older than the
# threshold is considered as unaccessed. That doesn't necessarily mean that
# such origins will be immediatelly archived. They will be archived only when
# dom.quotaManager.checkQuotaInfoLoadTime is true and loading of quota info
# takes a long time (dom.quotaManager.longQuotaInfoLoadTimeThresholdMs is used
# to decide what is a long quota info load time).
- name: dom.quotaManager.unaccessedForLongTimeThresholdSec
  type: RelaxedAtomicUint32
  value: 33696000 # 13 months
  mirror: always

# Should we try to load origin information from the cache?
# See bug 1563023 for more details.
- name: dom.quotaManager.loadQuotaFromCache
  type: RelaxedAtomicBool
  value: true
  mirror: always

# Should we check build ID as part of the cache validation?
# When enabled, the cache is invalidated on any upgrade (or downgrade),
# ensuring that changes in how quota usage is calculated can't cause
# inconsistencies at the cost of a slower initialization. Currently, this
# should only be set to false in tests using a packaged profile that inherently
# includes a build id different from the building running the tests. In the
# future this may be set to false if we are confident that we have sufficiently
# thorough schema versioning.
- name: dom.quotaManager.caching.checkBuildId
  type: RelaxedAtomicBool
  value: true
  mirror: always

# Should we check quota info load time and eventually archive some unaccessed
# origins if loading of quota info takes a long time ?
- name: dom.quotaManager.checkQuotaInfoLoadTime
  type: RelaxedAtomicBool
  value: true
  mirror: always

# An upper limit for quota info load time, anything which takes longer than the
# threshold is considered as long quota info load time.
- name: dom.quotaManager.longQuotaInfoLoadTimeThresholdMs
  type: RelaxedAtomicUint32
  value: 21000 # 21 seconds
  mirror: always

# Preference that users can set to override temporary storage smart limit
# calculation.
- name: dom.quotaManager.temporaryStorage.fixedLimit
  type: RelaxedAtomicInt32
  value: -1
  mirror: always

# A pref that is used to enable testing features.
- name: dom.quotaManager.testing
  type: SequentiallyConsistentAtomicBool
  value: false
  mirror: always

#if defined(XP_WIN)
  # Preference that is used to set nsILocalFileWin::useDOSDevicePathSyntax
  # attribute for all local file instances created by QuotaManager and its
  # clients. The value of this preference is cached so changing the preference
  # during runtime has no effect.
  # See bug 1626846 for setting this to false by default.
-   name: dom.quotaManager.useDOSDevicePathSyntax
    type: RelaxedAtomicBool
    value: true
    mirror: always
    do_not_use_directly: true

  # Preference that is used to enable the hack for overrriding xFullPathname in
  # QuotaVFS.
-   name: dom.quotaManager.overrideXFullPathname
    type: RelaxedAtomicBool
    value: true
    mirror: always
#elif defined(XP_UNIX)
  # Preference that is used to enable the overriding of Unix xFullPathname
  # implementation in QuotaVFS.
-   name: dom.quotaManager.overrideXFullPathnameUnix
    type: RelaxedAtomicBool
    value: true
    mirror: always
#endif

# How many times we should retry directory removal or renaming if access was
# denied?
- name: dom.quotaManager.directoryRemovalOrRenaming.maxRetries
  type: RelaxedAtomicUint32
#ifdef XP_WIN
  value: 10
#else
  value: 0
#endif
  mirror: always

# How long we should wait between retries (in milliseconds)?
- name: dom.quotaManager.directoryRemovalOrRenaming.delayMs
  type: RelaxedAtomicUint32
  value: 200
  mirror: always

#ifdef MOZ_BACKGROUNDTASKS
# Use a Background Task to delete files at shutdown.
- name: dom.quotaManager.backgroundTask.enabled
  type: bool
#ifdef XP_MACOSX
# Needs to figure out how to prevent bug 1827486.
  value: false
#else
  value: true
#endif
  mirror: never
#endif

# Use to control to dump CheckedUnsafePtr creation stack and assignment stacks.
- name: dom.checkedUnsafePtr.dumpStacks.enabled
  type: RelaxedAtomicBool
  value: false
  mirror: always

# Determines within what distance of a tick mark, in pixels, dragging an input
# range range will snap the range's value to that tick mark. By default, this is
# half the default width of the range thumb.
- name: dom.range_element.magnet_effect_threshold
  type: float
  value: 10.0f
  mirror: always

# Reporting API.
- name: dom.reporting.enabled
  type: RelaxedAtomicBool
  value: false
  mirror: always

- name: dom.reporting.testing.enabled
  type: RelaxedAtomicBool
  value: false
  mirror: always

- name: dom.reporting.featurePolicy.enabled
  type: RelaxedAtomicBool
  value: false
  mirror: always

- name: dom.reporting.crash.enabled
  type: RelaxedAtomicBool
  value: false
  mirror: always

- name: dom.reporting.header.enabled
  type: RelaxedAtomicBool
  value: false
  mirror: always

# In seconds. The timeout to remove not-active report-to endpoints.
- name: dom.reporting.cleanup.timeout
  type: uint32_t
  value: 3600
  mirror: always

# Any X seconds the reports are dispatched to endpoints.
- name: dom.reporting.delivering.timeout
  type: uint32_t
  value: 5
  mirror: always

# How many times the delivering of a report should be tried.
- name: dom.reporting.delivering.maxFailures
  type: uint32_t
  value: 3
  mirror: always

# How many reports should be stored in the report queue before being delivered.
- name: dom.reporting.delivering.maxReports
  type: uint32_t
  value: 100
  mirror: always

# Enable requestIdleCallback API
- name: dom.requestIdleCallback.enabled
  type: bool
  value: true
  mirror: always

# Enable Screen Orientation lock
- name: dom.screenorientation.allow-lock
  type: bool
  value: @IS_NIGHTLY_BUILD@
  mirror: always

# Whether to enable the JavaScript start-up cache. This causes one of the first
# execution to record the bytecode of the JavaScript function used, and save it
# in the existing cache entry. On the following loads of the same script, the
# bytecode would be loaded from the cache instead of being generated once more.
- name: dom.script_loader.bytecode_cache.enabled
  type: bool
  value: true
  mirror: always

# Ignore the heuristics of the bytecode cache, and always record on the first
# visit. (used for testing purposes).

# Choose one strategy to use to decide when the bytecode should be encoded and
# saved. The following strategies are available right now:
#   * -2 : (reader mode) The bytecode cache would be read, but it would never
#          be saved.
#   * -1 : (eager mode) The bytecode would be saved as soon as the script is
#          seen for the first time, independently of the size or last access
#          time.
#   *  0 : (default) The bytecode would be saved in order to minimize the
#          page-load time.
#
# Other values might lead to experimental strategies. For more details, have a
# look at: ScriptLoader::ShouldCacheBytecode function.
- name: dom.script_loader.bytecode_cache.strategy
  type: int32_t
  value: 0
  mirror: always

# Select which parse/delazification strategy should be used while parsing
# scripts off-main-thread. (see CompileOptions.h, DelazificationOption enum)
#
#   0: On-demand only. Delazification will be triggered only on the main thread
#      before the execution of the function.
#
#   1: Compare on-demand delazification (= 0) with concurrent depth-first
#      delazification (= 2).
#
#   2: Depth-first. Delazify all functions off-thread in the order of appearance
#      in the source.
#
#   3: Large-first. Delazify all functions off-thread starting with the largest
#      functions first, and the smallest as the last one to be delazified, where
#      the size of function is measured in bytes between the start to the end of
#      the function.
#
# 255: Parse everything eagerly, from the first parse. All functions are parsed
#      at the same time as the top-level of a file.
- name: dom.script_loader.delazification.strategy
  type: uint32_t
  value: 255
  mirror: always

# Maximum total size after which the delazification strategy, specified by
# `dom.script_loader.delazification.strategy`, is no longer applied, and the
# on-demand strategy is used by default.
#
# -1 disable the threshold, and delazification strategy is applied to all
# scripts.
#
# Default value is 10MB for utf8 scripts.
- name: dom.script_loader.delazification.max_size
  type: int32_t
  value: 10485760
  mirror: always

# Minimum memory, in GB, required to enable delazification strategy, specified
# by `dom.script_loader.delazification.strategy`. Otherwise, the on-demand
# delazification strategy is used.
- name: dom.script_loader.delazification.min_mem
  type: int32_t
  value: 2
  mirror: always

# Is support for decoding external (non-inline) classic or module DOM scripts
# (i.e. anything but workers) as UTF-8, then directly compiling without
# inflating to UTF-16, enabled?
- name: dom.script_loader.external_scripts.utf8_parsing.enabled
  type: bool
  value: true
  mirror: always

# Enable  speculative off main thread parsing of external scripts as
# soon as they are fetched.
- name: dom.script_loader.external_scripts.speculative_omt_parse.enabled
  type: bool
  value: true
  mirror: always

# Speculatively compile non parser inserted scripts
- name: dom.script_loader.external_scripts.speculate_non_parser_inserted.enabled
  type: bool
  value: false
  mirror: always

# Speculatively compile async scripts
- name: dom.script_loader.external_scripts.speculate_async.enabled
  type: bool
  value: false
  mirror: always

# Speculatively compile link preload scripts
- name: dom.script_loader.external_scripts.speculate_link_preload.enabled
  type: bool
  value: false
  mirror: always

- name: dom.securecontext.allowlist_onions
  type: bool
  value: false
  mirror: always

# This pref enables the featurePolicy header support.
- name: dom.security.featurePolicy.header.enabled
  type: bool
  value: false
  mirror: always

- name: dom.security.featurePolicy.experimental.enabled
  type: bool
  value: false
  mirror: always

# Expose the 'featurePolicy' attribute in document and HTMLIFrameElement
- name: dom.security.featurePolicy.webidl.enabled
  type: bool
  value: false
  mirror: always

# Perform IPC based Principal vetting in ContentParent
- name: dom.security.enforceIPCBasedPrincipalVetting
  type: RelaxedAtomicBool
  value: true
  mirror: always

# For testing purposes only: Flipping this pref to true allows
# to skip the allowlist for about: pages and do not ship with a
# CSP and NS_ASSERT right away.
- name: dom.security.skip_about_page_csp_allowlist_and_assert
  type: RelaxedAtomicBool
  value: false
  mirror: always

# For testing purposes only: Flipping this pref to true allows
# to skip the assertion that every about page ships with a CSP.
- name: dom.security.skip_about_page_has_csp_assert
  type: RelaxedAtomicBool
  value: false
  mirror: always

# For testing purposes only: Flipping this pref to true allows
# to skip the assertion that HTML fragments (e.g. innerHTML) can
# not be used within chrome code or about: pages.
- name: dom.security.skip_html_fragment_assertion
  type: RelaxedAtomicBool
  value: false
  mirror: always

# For testing purposes only; Flipping this pref to true allows
# to skip the assertion that remote scripts can not be loaded
# in system privileged contexts.
- name: dom.security.skip_remote_script_assertion_in_system_priv_context
  type: RelaxedAtomicBool
  value: false
  mirror: always

# If true, all content requests will get upgraded to HTTPS://
# (some Firefox functionality requests, like OCSP will not be affected)
- name: dom.security.https_only_mode
  type: RelaxedAtomicBool
  value: false
  mirror: always

# If true, all content requests in Private Browsing Mode will get
# upgraded to HTTPS://. (If dom.security.https_only_mode is set
# to true then this pref has no effect)
- name: dom.security.https_only_mode_pbm
  type: RelaxedAtomicBool
  value: false
  mirror: always

# If true, sends http background request for top-level sites to
# counter long timeouts.
- name: dom.security.https_only_mode_send_http_background_request
  type: RelaxedAtomicBool
  value: true
  mirror: always

# Time limit, in milliseconds, before sending the http background
# request for HTTPS-Only and HTTPS-First
- name: dom.security.https_only_fire_http_request_background_timer_ms
  type: RelaxedAtomicUint32
  value: 3000
  mirror: always

# If true, tries to break upgrade downgrade cycles where https-only tries
# to upgrad ethe connection, but the website tries to downgrade again.
- name: dom.security.https_only_mode_break_upgrade_downgrade_endless_loop
  type: RelaxedAtomicBool
  value: true
  mirror: always

# If true, when checking if it's upgrade downgrade cycles, the URI path will be
# also checked.
- name: dom.security.https_only_check_path_upgrade_downgrade_endless_loop
  type: RelaxedAtomicBool
  value: true
  mirror: always

# If true and HTTPS-only mode is enabled, requests
# to local IP addresses are also upgraded
- name: dom.security.https_only_mode.upgrade_local
  type: RelaxedAtomicBool
  value: false
  mirror: always

# If true and HTTPS-only mode is enabled, requests
# to .onion hosts are also upgraded
- name: dom.security.https_only_mode.upgrade_onion
  type: RelaxedAtomicBool
  value: false
  mirror: always

# WARNING: Don't ever update that pref manually! It is only used
# for telemetry purposes and allows to reason about retention of
# the pref dom.security.https_only_mode from above.
- name: dom.security.https_only_mode_ever_enabled
  type: RelaxedAtomicBool
  value: false
  mirror: always

# WARNING: Don't ever update that pref manually! It is only used
# for telemetry purposes and allows to reason about retention of
# the pref dom.security.https_only_mode_pbm from above.
- name: dom.security.https_only_mode_ever_enabled_pbm
  type: RelaxedAtomicBool
  value: false
  mirror: always

# If true checks for secure www connections when https fails
# and gives the user suggestions on the error page
- name: dom.security.https_only_mode_error_page_user_suggestions
  type: RelaxedAtomicBool
  value: false
  mirror: always

# If true, top-level request will get upgraded to HTTPS and
# downgraded again if the request failed.
- name: dom.security.https_first
  type: RelaxedAtomicBool
  value: false
  mirror: always

# If true, top-level requests in Private Browsing Mode will get
# upgraded to HTTPS. (If dom.security.https_first
# is set to true then this pref has no effect)
- name: dom.security.https_first_pbm
  type: RelaxedAtomicBool
  value: true
  mirror: always

- name: dom.security.unexpected_system_load_telemetry_enabled
  type: bool
  value: true
  mirror: always

# pref controls `Sanitizer` API being exposed
# https://wicg.github.io/sanitizer-api/
- name: dom.security.sanitizer.enabled
  type: bool
  value: false
  mirror: always

# Pref that controls the Element.setHTML API idenpendetly of the sanitizer
# API.
- name: dom.security.setHTML.enabled
  type: bool
  value: false
  mirror: always

# Logs elements and attributes removed by the Sanitizer API to the console.
- name: dom.security.sanitizer.logging
  type: bool
  value: false
  mirror: always

# pref controls `identity` credentials being exposed
- name: dom.security.credentialmanagement.identity.enabled
  type: bool
  value: false
  mirror: always

# pref controls `identity` credential UI for testing. When true, UI is not shown and
# the first option in the account and provider lists are chosen
- name: dom.security.credentialmanagement.identity.select_first_in_ui_lists
  type: bool
  value: false
  mirror: always

# pref controls `identity` credential platform behavior for testing. When true,
# the .well-known file check is not performed.
- name: dom.security.credentialmanagement.identity.test_ignore_well_known
  type: bool
  value: false
  mirror: always

# pref controls whether we should delay identity credential rejections at all
- name: dom.security.credentialmanagement.identity.reject_delay.enabled
  type: bool
  value: true
  mirror: always

# pref controls how long we should delay identity credential rejections if enabled
- name: dom.security.credentialmanagement.identity.reject_delay.duration_ms
  type: uint32_t
  value: 120000
  mirror: always

# Whether or not selection events on text controls are enabled.
- name: dom.select_events.textcontrols.selectionchange.enabled
  type: bool
  value: true
  mirror: always

- name: dom.select_events.textcontrols.selectstart.enabled
  type: bool
  value: false
  mirror: always

- name: dom.separate_event_queue_for_post_message.enabled
  type: bool
  value: true
  mirror: always

- name: dom.arena_allocator.enabled
  type: bool
  value: true
  mirror: once

- name: dom.serviceWorkers.enabled
  type: RelaxedAtomicBool
  value: false
  mirror: always

- name: dom.serviceWorkers.navigationPreload.enabled
  type: RelaxedAtomicBool
  value: true
  mirror: always

# Mitigates ServiceWorker navigation faults by bypassing the ServiceWorker on
# navigation faults.  This is more extensive than just resetting interception
# because we also mark the page as uncontrolled so that subresources will not
# go to the ServiceWorker either.
- name: dom.serviceWorkers.mitigations.bypass_on_fault
  type: bool
  value: true
  mirror: always

# Additional ServiceWorker navigation mitigation control to unregister the
# ServiceWorker after multiple faults are encountered. The mitigation is
# disabled when this is set to zero, otherwise this is the number of faults that
# need to occur for a specific ServiceWorker before it will be unregistered.
- name: dom.serviceWorkers.mitigations.navigation_fault_threshold
  type: uint32_t
  value: 3
  mirror: always

# This is the group usage head room for service workers.
# The quota usage mitigation algorithm uses this preference to determine if the
# origin or also group data should be cleared or not.
# The default value is 400 MiB.
- name: dom.serviceWorkers.mitigations.group_usage_headroom_kb
  type: uint32_t
  value: 400 * 1024
  mirror: always

- name: dom.serviceWorkers.testing.enabled
  type: RelaxedAtomicBool
  value: false
  mirror: always

# Whether ServiceWorkerManager should persist the service worker
# registered by temporary installed extension (only meant to be used
# for testing purpose, to make it easier to test some particular scenario
# with a temporary installed addon, which doesn't need to be signed to be
# installed on release channel builds).
- name: dom.serviceWorkers.testing.persistTemporarilyInstalledAddons
  type: RelaxedAtomicBool
  value: false
  mirror: always

- name: dom.storage.enabled
  type: RelaxedAtomicBool
  value: true
  mirror: always

- name: dom.workers.pFetch.enabled
  type: RelaxedAtomicBool
  value: true
  mirror: always

- name: dom.workers.importScripts.enforceStrictMimeType
  type: RelaxedAtomicBool
  value: @IS_EARLY_BETA_OR_EARLIER@
  mirror: always

# Is support for modules (new Worker(..., {type: "module"})) enabled for workers?
- name: dom.workers.modules.enabled
  type: RelaxedAtomicBool
  value: true
  mirror: always

- name: dom.workers.requestAnimationFrame
  type: RelaxedAtomicBool
  value: true
  mirror: always

- name: dom.workers.serialized-sab-access
  type: RelaxedAtomicBool
  value: false
  mirror: always

- name: dom.sitepermsaddon-provider.enabled
  type: bool
  value: @IS_NOT_ANDROID@
  mirror: always

# Whether automatic storage access granting heuristics should be turned on.
- name: dom.storage_access.auto_grants
  type: bool
  value: true
  mirror: always

- name: dom.storage_access.auto_grants.delayed
  type: bool
  value: true
  mirror: always

# Storage-access API.
- name: dom.storage_access.enabled
  type: bool
  value: false
  mirror: always

# Forward-Declared Storage-access API.
- name: dom.storage_access.forward_declared.enabled
  type: bool
  value: false
  mirror: always

# How long the Forward-Declared Storage-access API allows between pair requests
# in seconds
- name: dom.storage_access.forward_declared.lifetime
  type: uint32_t
  value: 15 * 60
  mirror: always

# The maximum number of origins that a given third-party tracker is allowed
# to have concurrent access to before the user is presented with a storage
# access prompt.  Only effective when the auto_grants pref is turned on.
- name: dom.storage_access.max_concurrent_auto_grants
  type: int32_t
  value: 5
  mirror: always

# Whether the Storage API is enabled.
- name: dom.storageManager.enabled
  type: RelaxedAtomicBool
  value: true
  mirror: always

# Whether the File System API is enabled
- name: dom.fs.enabled
  type: RelaxedAtomicBool
  value: true
  mirror: always

# Whether the WritableFileStream is enabled or disabled.
- name: dom.fs.writable_file_stream.enabled
  type: RelaxedAtomicBool
  value: true
  mirror: always

# LocalStorage data limit as determined by summing up the lengths of all string
# keys and values. This is consistent with the legacy implementation and other
# browser engines. This value should really only ever change in unit testing
# where being able to lower it makes it easier for us to test certain edge
# cases. Measured in KiBs.
- name: dom.storage.default_quota
  type: RelaxedAtomicUint32
  # Only allow relatively small amounts of data since performance of the
  # synchronous IO is very bad. We are enforcing simple per-origin quota only.
  value: 5 * 1024
  mirror: always

# Per-site quota for legacy LocalStorage implementation.
- name: dom.storage.default_site_quota
  type: RelaxedAtomicUint32
  value: 25 * 1024
  mirror: always

# Whether or not the unsupported legacy implemenation should be enabled. Please
# don't advertise this pref as a way for disabling LSNG. This pref is intended
# for internal testing only and will be removed in near future. Accidental
# disabling of LSNG can lead to a data loss in a combination with disabled
# shadow writes. Disabling of shadow writes is the initial step towards
# removing legacy implementation and will be done soon.
- name: dom.storage.enable_unsupported_legacy_implementation
  type: RelaxedAtomicBool
  value: false
  mirror: always
  do_not_use_directly: true

# The amount of snapshot peak usage which is attempted to be pre-incremented
# during snapshot creation.
- name: dom.storage.snapshot_peak_usage.initial_preincrement
  type: RelaxedAtomicUint32
  value: 16384
  mirror: always

# The amount of snapshot peak usage which is attempted to be pre-incremented
# during snapshot creation if the LocalStorage usage was already close to the
# limit (a fallback for dom.storage.snapshot_peak_usage.initial_preincrement).
- name: dom.storage.snapshot_peak_usage.reduced_initial_preincrement
  type: RelaxedAtomicUint32
  value: 4096
  mirror: always

# The amount of snapshot peak usage which is attempted to be pre-incremented
# beyond the specific values which are subsequently requested after snapshot
# creation.
- name: dom.storage.snapshot_peak_usage.gradual_preincrement
  type: RelaxedAtomicUint32
  value: 4096
  mirror: always

# The amount of snapshot peak usage which is attempted to be pre-incremented
# beyond the specific values which are subsequently requested after snapshot
# creation if the LocalStorage total usage was already close to the limit
# (a fallback for dom.storage.snapshot_peak_usage.gradual_preincrement).
- name: dom.storage.snapshot_peak_usage.reduced_gradual_preincrement
  type: RelaxedAtomicUint32
  value: 1024
  mirror: always

# How long between a snapshot becomes idle and when we actually finish the
# snapshot. This preference is only used when "dom.storage.snapshot_reusing"
# is true.
- name: dom.storage.snapshot_idle_timeout_ms
  type: uint32_t
  value: 5000
  mirror: always

# Is support for Storage test APIs enabled?
- name: dom.storage.testing
  type: bool
  value: false
  mirror: always

# For area and anchor elements with target=_blank and no rel set to
# opener/noopener.
- name: dom.targetBlankNoOpener.enabled
  type: bool
  value: true
  mirror: always

# Is support for Selection.GetRangesForInterval enabled?
- name: dom.testing.selection.GetRangesForInterval
  type: bool
  value: false
  mirror: always

- name: dom.testing.structuredclonetester.enabled
  type: RelaxedAtomicBool
  value: false
  mirror: always

- name: dom.testing.sync-content-blocking-notifications
  type: bool
  value: false
  mirror: always

# To enable TestUtils interface on WPT
- name: dom.testing.testutils.enabled
  type: RelaxedAtomicBool
  value: false
  mirror: always

- name: dom.textMetrics.actualBoundingBox.enabled
  type: RelaxedAtomicBool
  value: true
  mirror: always

- name: dom.textMetrics.baselines.enabled
  type: RelaxedAtomicBool
  value: false
  mirror: always

- name: dom.textMetrics.emHeight.enabled
  type: RelaxedAtomicBool
  value: false
  mirror: always

- name: dom.textMetrics.fontBoundingBox.enabled
  type: RelaxedAtomicBool
  value: false
  mirror: always

# Time (in ms) that it takes to regenerate 1ms.
- name: dom.timeout.background_budget_regeneration_rate
  type: int32_t
  value: 100
  mirror: always

# Time (in ms) that it takes to regenerate 1ms.
- name: dom.timeout.foreground_budget_regeneration_rate
  type: int32_t
  value: 1
  mirror: always

# Maximum value (in ms) for the background budget. Only valid for
# values greater than 0.
- name: dom.timeout.background_throttling_max_budget
  type: int32_t
  value: 50
  mirror: always

# Maximum value (in ms) for the foreground budget. Only valid for
# values greater than 0.
- name: dom.timeout.foreground_throttling_max_budget
  type: int32_t
  value: -1
  mirror: always

# The maximum amount a timeout can be delayed by budget throttling.
- name: dom.timeout.budget_throttling_max_delay
  type: int32_t
  value: 15000
  mirror: always

# Turn on budget throttling by default.
- name: dom.timeout.enable_budget_timer_throttling
  type: bool
  value: true
  mirror: always

# Should we defer timeouts and intervals while loading a page.  Released
# on Idle or when the page is loaded.
- name: dom.timeout.defer_during_load
  type: bool
  value: true
  mirror: always

# Maximum amount of time in milliseconds consecutive setTimeout()/setInterval()
# callback are allowed to run before yielding the event loop.
- name: dom.timeout.max_consecutive_callbacks_ms
  type: uint32_t
  value: 4
  mirror: always

# Maximum deferral time for setTimeout/Interval in milliseconds
- name: dom.timeout.max_idle_defer_ms
  type: uint32_t
  value: 10*1000
  mirror: always

# Delay in ms from document load until we start throttling background timeouts.
- name: dom.timeout.throttling_delay
  type: int32_t
  value: 30000
  mirror: always

# UDPSocket API
- name: dom.udpsocket.enabled
  type: bool
  value: false
  mirror: always

# Whether to dump worker use counters
- name: dom.use_counters.dump.worker
  type: RelaxedAtomicBool
  value: false
  mirror: always

# Whether to dump document use counters
- name: dom.use_counters.dump.document
  type: bool
  value: false
  mirror: always

# Whether to dump page use counters
- name: dom.use_counters.dump.page
  type: bool
  value: false
  mirror: always

# Time limit, in milliseconds, for user gesture transient activation.
- name: dom.user_activation.transient.timeout
  type: uint32_t
  value: 5000
  mirror: always

# Whether to treat the clicks on scrollbars as user interaction with web content.
- name: dom.user_activation.ignore_scrollbars
  type: bool
  value: true
  mirror: always

# Whether to shim a Components object on untrusted windows.
- name: dom.use_components_shim
  type: bool
  value: @IS_NOT_NIGHTLY_BUILD@
  mirror: always

- name: dom.vibrator.enabled
  type: bool
  value: true
  mirror: always

- name: dom.vibrator.max_vibrate_ms
  type: RelaxedAtomicUint32
  value: 10000
  mirror: always

- name: dom.vibrator.max_vibrate_list_len
  type: RelaxedAtomicUint32
  value: 128
  mirror: always

# Is support for Window.visualViewport enabled?
- name: dom.visualviewport.enabled
  type: bool
  value: true
  mirror: always

# Is support for WebVR APIs enabled?
# Disabled everywhere, but not removed.
- name: dom.vr.enabled
  type: RelaxedAtomicBool
  value: false
  mirror: always

# Should VR sessions always be reported as supported, without first
# checking for VR runtimes?  This will prevent permission prompts
# from being suppressed on machines without VR runtimes and cause
# navigator.xr.isSessionSupported to always report that immersive-vr
# is supported.
- name: dom.vr.always_support_vr
  type: RelaxedAtomicBool
  value: false
  mirror: always

# Should AR sessions always be reported as supported, without first
# checking for AR runtimes?  This will prevent permission prompts
# from being suppressed on machines without AR runtimes and cause
# navigator.xr.isSessionSupported to always report that immersive-ar
# is supported.
- name: dom.vr.always_support_ar
  type: RelaxedAtomicBool
  value: false
  mirror: always

# It is often desirable to automatically start vr presentation when
# a user puts on the VR headset.  This is done by emitting the
# Window.vrdisplayactivate event when the headset's sensors detect it
# being worn.  This can result in WebVR content taking over the headset
# when the user is using it outside the browser or inadvertent start of
# presentation due to the high sensitivity of the proximity sensor in some
# headsets, so it is off by default.
- name: dom.vr.autoactivate.enabled
  type: RelaxedAtomicBool
  value: false
  mirror: always

# Minimum number of milliseconds that the browser will wait before
# attempting to poll again for connected VR controllers.  The browser
# will not attempt to poll for VR controllers until it needs to use them.
- name: dom.vr.controller.enumerate.interval
  type: RelaxedAtomicInt32
  value: 1000
  mirror: always

# The threshold value of trigger inputs for VR controllers.
- name: dom.vr.controller_trigger_threshold
  type: AtomicFloat
  value: 0.1f
  mirror: always

# Minimum number of milliseconds that the browser will wait before
# attempting to poll again for connected VR displays.  The browser
# will not attempt to poll for VR displays until it needs to use
# them, such as when detecting a WebVR site.
- name: dom.vr.display.enumerate.interval
  type: RelaxedAtomicInt32
  value: 5000
  mirror: always

# The number of milliseconds since last frame start before triggering a new
# frame. When content is failing to submit frames on time or the lower level
# VR platform APIs are rejecting frames, it determines the rate at which RAF
# callbacks will be called.
- name: dom.vr.display.rafMaxDuration
  type: RelaxedAtomicUint32
  value: 50
  mirror: always

# Minimum number of milliseconds the browser will wait before attempting
# to re-start the VR service after an enumeration returned no devices.
- name: dom.vr.external.notdetected.timeout
  type: RelaxedAtomicInt32
  value: 60000
  mirror: always

# Minimum number of milliseconds the browser will wait before attempting
# to re-start the VR service after a VR API (eg, OpenVR or Oculus)
# requests that we shutdown and unload its libraries.
# To ensure that we don't interfere with VR runtime software auto-updates,
# we will not attempt to re-load the service until this timeout has elapsed.
- name: dom.vr.external.quit.timeout
  type: RelaxedAtomicInt32
  value: 10000
  mirror: always

# Minimum number of milliseconds that the VR session will be kept
# alive after the browser and content no longer are using the
# hardware.  If a VR multitasking environment, this should be set
# very low or set to 0.
- name: dom.vr.inactive.timeout
  type: RelaxedAtomicInt32
  value: 5000
  mirror: always

# Maximum number of milliseconds the browser will wait for content to call
# VRDisplay.requestPresent after emitting vrdisplayactivate during VR
# link traversal.  This prevents a long running event handler for
# vrdisplayactivate from later calling VRDisplay.requestPresent, which would
# result in a non-responsive browser in the VR headset.
- name: dom.vr.navigation.timeout
  type: RelaxedAtomicInt32
  value: 5000
  mirror: always

# Oculus device
- name: dom.vr.oculus.enabled
  type: RelaxedAtomicBool
#if defined(HAVE_64BIT_BUILD) && !defined(ANDROID)
  # We are only enabling WebVR by default on 64-bit builds (Bug 1384459).
  value: true
#else
  # On Android, this pref is irrelevant.
  value: false
#endif
  mirror: always

# When enabled, Oculus sessions may be created with the ovrInit_Invisible
# flag if a page is using tracking but not presenting.  When a page
# begins presenting VR frames, the session will be re-initialized without
# the flag.  This eliminates the "Firefox not responding" warnings in
# the headset, but might not be compatible with all versions of the Oculus
# runtime.
- name: dom.vr.oculus.invisible.enabled
  type: RelaxedAtomicBool
  value: true
  mirror: always

# Minimum number of milliseconds after content has stopped VR presentation
# before the Oculus session is re-initialized to an invisible / tracking
# only mode.  If this value is too high, users will need to wait longer
# after stopping WebVR presentation before automatically returning to the
# Oculus home interface.  (They can immediately return to the Oculus Home
# interface through the Oculus HUD without waiting this duration)
# If this value is too low, the Oculus Home interface may be visible
# momentarily during VR link navigation.
- name: dom.vr.oculus.present.timeout
  type: RelaxedAtomicInt32
  value: 500
  mirror: always

# OpenVR device
- name: dom.vr.openvr.enabled
  type: RelaxedAtomicBool
#if !defined(HAVE_64BIT_BUILD) && !defined(ANDROID)
  # We are only enabling WebVR by default on 64-bit builds (Bug 1384459).
  value: false
#elif defined(XP_WIN) || defined(XP_MACOSX)
  # We enable OpenVR by default for Windows and macOS.
  value: true
#else
  # See Bug 1310663 (Linux).  On Android, this pref is irrelevant.
  value: false
#endif
  mirror: always

# OSVR device
- name: dom.vr.osvr.enabled
  type: RelaxedAtomicBool
  value: false
  mirror: always

# Pose prediction reduces latency effects by returning future predicted HMD
# poses to callers of the WebVR API.  This currently only has an effect for
# Oculus Rift on SDK 0.8 or greater.
- name: dom.vr.poseprediction.enabled
  type: RelaxedAtomicBool
  value: true
  mirror: always

# Enable a separate process for VR module.
- name: dom.vr.process.enabled
  type: bool
#if defined(XP_WIN)
  value: true
#else
  value: false
#endif
  mirror: once

- name: dom.vr.process.startup_timeout_ms
  type: int32_t
  value: 5000
  mirror: once

# Puppet device, used for simulating VR hardware within tests and dev tools.
- name: dom.vr.puppet.enabled
  type: RelaxedAtomicBool
  value: false
  mirror: always

# Starting VR presentation is only allowed within a user gesture or event such
# as VRDisplayActivate triggered by the system. dom.vr.require-gesture allows
# this requirement to be disabled for special cases such as during automated
# tests or in a headless kiosk system.
- name: dom.vr.require-gesture
  type: RelaxedAtomicBool
  value: true
  mirror: always

# Is support for WebXR APIs enabled?
- name: dom.vr.webxr.enabled
  type: RelaxedAtomicBool
  value: false
  mirror: always

# Points in the native bounds geometry are required to be quantized
# sufficiently to prevent fingerprinting. The WebXR spec suggests
# quantizing to the nearest 5 centimeters.
- name: dom.vr.webxr.quantization
  type: AtomicFloat
  value: 0.05f
  mirror: always

# Whether MouseEvent.region is exposed as a property.
- name: dom.mouse_event.region.enabled
  type: bool
  value: false
  mirror: always

#ifdef XP_WIN
  # Control firing WidgetMouseEvent by handling Windows pointer messages or
  # mouse messages.
-   name: dom.w3c_pointer_events.dispatch_by_pointer_messages
    type: bool
    value: true
    mirror: always

-   name: dom.w3c_pointer_events.scroll_by_pen.enabled
    type: bool
    value: true
    mirror: always
#endif

# If the value is >= 0, it will be used for max touch points in child processes.
- name: dom.maxtouchpoints.testing.value
  type: int32_t
  value: -1
  mirror: always

# Maximum value of navigator.hardwareConcurrency.
- name: dom.maxHardwareConcurrency
  type: RelaxedAtomicUint32
#ifdef NIGHTLY_BUILD
  value: 128
#else
  value: 16
#endif
  mirror: always

# W3C pointer events draft.
- name: dom.w3c_pointer_events.implicit_capture
  type: bool
  value: true
  mirror: always

# In case Touch API is enabled, this pref controls whether to support
# ontouch* event handlers, document.createTouch, document.createTouchList and
# document.createEvent("TouchEvent").
- name: dom.w3c_touch_events.legacy_apis.enabled
  type: bool
  value: @IS_ANDROID@
  mirror: always

# W3C touch events
# 0 - disabled, 1 - enabled, 2 - autodetect
# Autodetection is currently only supported on Windows and GTK3 (and assumed on
# Android).
- name: dom.w3c_touch_events.enabled
  type: int32_t
#if defined(XP_MACOSX)
  value: 0
#else
  value: 2
#endif
  mirror: always

# Is support for the Web Audio API enabled?
- name: dom.webaudio.enabled
  type: bool
  value: true
  mirror: always

- name: dom.webkitBlink.dirPicker.enabled
  type: RelaxedAtomicBool
  value: @IS_NOT_ANDROID@
  mirror: always

# Is the 'delegatesFocus' attribute for shadow dom
- name: dom.shadowdom.delegatesFocus.enabled
  type: bool
  value: true
  mirror: always

# Is the 'assign' API for slot element enabled?
- name: dom.shadowdom.slot.assign.enabled
  type: bool
  value: true
  mirror: always

# NOTE: This preference is used in unit tests. If it is removed or its default
# value changes, please update test_sharedMap_static_prefs.js accordingly.
- name: dom.webcomponents.shadowdom.report_usage
  type: bool
  value: false
  mirror: always

# Is support for the Web GPU API enabled?
- name: dom.webgpu.enabled
  type: RelaxedAtomicBool
  value: @IS_NIGHTLY_BUILD@
  mirror: always

# Are WebGPU indirect draws/dispatches enabled?
- name: dom.webgpu.indirect-dispatch.enabled
  type: RelaxedAtomicBool
  value: false
  mirror: always

# Comma-separated list of wgpu backend names to permit in WebGPU adapters.
#
# If non-empty, this is parsed by `wgpu_core::instance::parse_backends_from_comma_list` to
# produce a `wgpu_types::Backends` bitset used to create a `wgpu_core::hub::Global`. As of
# 2023-3-22, recognized names are:
#
#     "vulkan" | "vk" => Backends::VULKAN,
#     "dx12" | "d3d12" => Backends::DX12,
#     "dx11" | "d3d11" => Backends::DX11,
#     "metal" | "mtl" => Backends::METAL,
#     "opengl" | "gles" | "gl" => Backends::GL,
#     "webgpu" => Backends::BROWSER_WEBGPU,
- name: dom.webgpu.wgpu-backend
  type: DataMutexString
  value: ""
  mirror: always
  rust: true

# Is support for HTMLInputElement.webkitEntries enabled?
- name: dom.webkitBlink.filesystem.enabled
  type: bool
  value: @IS_NOT_ANDROID@
  mirror: always

# Whether the Web Locks API is enabled
- name: dom.weblocks.enabled
  type: RelaxedAtomicBool
  value: true
  mirror: always

# Whether the WebMIDI API is enabled
- name: dom.webmidi.enabled
  type: bool
  value: @IS_NOT_ANDROID@
  mirror: always

# midi permission is addon-gated
- name: dom.webmidi.gated
  type: bool
  value: true
  mirror: always

- name: dom.webnotifications.allowinsecure
  type: RelaxedAtomicBool
  value: false
  mirror: always

- name: dom.webnotifications.allowcrossoriginiframe
  type: RelaxedAtomicBool
  value: false
  mirror: always

- name: dom.webnotifications.enabled
  type: RelaxedAtomicBool
  value: true
  mirror: always

- name: dom.webnotifications.requireuserinteraction
  type: RelaxedAtomicBool
  value: true
  mirror: always

- name: dom.webnotifications.requireinteraction.enabled
  type: RelaxedAtomicBool
  value: @IS_NIGHTLY_BUILD@
  mirror: always

- name: dom.webnotifications.silent.enabled
  type: RelaxedAtomicBool
  value: @IS_NIGHTLY_BUILD@
  mirror: always

- name: dom.webnotifications.vibrate.enabled
  type: RelaxedAtomicBool
#if defined(MOZ_WIDGET_ANDROID)
  value: @IS_NIGHTLY_BUILD@
#else
  value: false
#endif
  mirror: always

- name: dom.webnotifications.serviceworker.enabled
  type: RelaxedAtomicBool
  value: true
  mirror: always

# Is support for Window.event enabled?
- name: dom.window.event.enabled
  type: bool
  value: true
  mirror: always

- name: dom.window.history.async
  type: bool
  value: true
  mirror: always

# Enable the "noreferrer" feature argument for window.open()
- name: dom.window.open.noreferrer.enabled
  type: bool
  value: true
  mirror: always

- name: dom.window.content.untrusted.enabled
  type: bool
  value: false
  mirror: always

- name: dom.window.clientinformation.enabled
  type: bool
  value: true
  mirror: always

- name: dom.window.sidebar.enabled
  type: bool
  value: false
  mirror: always

- name: dom.worker.canceling.timeoutMilliseconds
  type: RelaxedAtomicUint32
  value: 30000    # 30 seconds
  mirror: always

# Is support for compiling DOM worker scripts directly from UTF-8 (without ever
# inflating to UTF-16) enabled?
- name: dom.worker.script_loader.utf8_parsing.enabled
  type: RelaxedAtomicBool
  value: true
  mirror: always

- name: dom.worker.use_medium_high_event_queue
  type: RelaxedAtomicBool
  value: true
  mirror: always

# Enables the dispatching of console log events from worker threads to the
# main-thread.
- name: dom.worker.console.dispatch_events_to_main_thread
  type: RelaxedAtomicBool
  value: true
  mirror: always

- name: dom.workers.testing.enabled
  type: RelaxedAtomicBool
  value: false
  mirror: always

- name: dom.worklet.enabled
  type: bool
  value: true
  mirror: always

# Enable content type normalization of XHR uploads via MIME Sniffing standard
- name: dom.xhr.standard_content_type_normalization
  type: RelaxedAtomicBool
  value: true
  mirror: always

# When this pref is set, parent documents may consider child iframes have
# loaded while they are still loading.
- name: dom.cross_origin_iframes_loaded_in_background
  type: bool
  value: false
  mirror: always

# WebIDL test prefs.
- name: dom.webidl.test1
  type: bool
  value: true
  mirror: always
- name: dom.webidl.test2
  type: bool
  value: true
  mirror: always

- name: dom.webidl.crosscontext_hasinstance.enabled
  type: RelaxedAtomicBool
  value: false
  mirror: always

# WebShare API - exposes navigator.share()
- name: dom.webshare.enabled
  type: bool
#ifdef XP_WIN
  value: @IS_EARLY_BETA_OR_EARLIER@
#else
  value: false
#endif
  mirror: always

# WebShare API - allows WebShare without user interaction (for tests only).
- name: dom.webshare.requireinteraction
  type: bool
  value: true
  mirror: always

# about:home and about:newtab include remote snippets that contain arbitrarily
# placed anchor tags in their content; we want sanitization to be turned off
# in order to render them correctly
- name: dom.about_newtab_sanitization.enabled
  type: bool
  value: false
  mirror: always

# Hide the confirm dialog when a POST request is reloaded.
- name: dom.confirm_repost.testing.always_accept
  type: bool
  value: false
  mirror: always

# Whether we should suspend inactive tabs or not
- name: dom.suspend_inactive.enabled
  type: bool
  value: @IS_ANDROID@
  mirror: always

# The following three prefs control the maximum script run time before slow
# script warning.

# Controls the time that a content script can run before showing a
# notification.
- name: dom.max_script_run_time
  type: int32_t
  value: 10
  mirror: always

# Controls whether we want to wait for user input before surfacing notifying
# the parent process about a long-running script.
- name: dom.max_script_run_time.require_critical_input
  type: bool
# On desktop, we don't want to annoy the user with a notification if they're
# not interacting with the browser. On Android however, we automatically
# terminate long-running scripts, so we want to make sure we don't get in the
# way of that by waiting for input.
#if defined(MOZ_WIDGET_ANDROID)
  value: false
#else
  value: true
#endif
  mirror: always

# Controls if a content script will be aborted on child process shutdown.
- name: dom.abort_script_on_child_shutdown
  type: bool
  value: @IS_NIGHTLY_BUILD@
  mirror: always

- name: dom.max_chrome_script_run_time
  type: int32_t
  value: 0
  mirror: always

- name: dom.max_ext_content_script_run_time
  type: int32_t
  value: 5
  mirror: always

# Initialize Resize Observer's last reported size to -1x-1, and not 0x0,
# as per CSSWG resolution: https://github.com/w3c/csswg-drafts/issues/3664
- name: dom.resize_observer.last_reported_size_invalid
  type: bool
  value: true
  mirror: always

# Let Resize Observer report the size of all fragments, and not just the
# first one, as per CSSWG resolution:
# https://github.com/w3c/csswg-drafts/issues/3673#issuecomment-467221565
- name: dom.resize_observer.support_fragments
  type: bool
  value: false
  mirror: always

#---------------------------------------------------------------------------
# Prefs starting with "editor"
#---------------------------------------------------------------------------

# Default background color of HTML editor.  This is referred only when
# "editor.use_custom_colors" is set to `true`.
- name: editor.background_color
  type: String
  value: "#FFFFFF"
  mirror: never

# Use compatible range computation when applying inline style.  This is used
# for making it possible to backout with Normandy Pref Rollout.
- name: editor.inline_style.range.compatible_with_the_other_browsers
  type: bool
  value: true
  mirror: always

# Whether use Blink/WebKit compatbile joining nodes and split a node direction.
# false: Left node will be created (at splitting) and deleted (at joining)
# true:  Right node will be created (at splitting) and deleted (at joinining)
- name: editor.join_split_direction.compatible_with_the_other_browsers
  type: bool
  value: true
  mirror: always

# Delay to mask last input character in password fields.
# If negative value, to use platform's default behavior.
# If 0, no delay to mask password.
# Otherwise, password fields unmask last input character(s) during specified
# time (in milliseconds).
- name: editor.password.mask_delay
  type: int32_t
  value: -1
  mirror: always

# Set to true when you test mask_delay of password editor.  If this is set
# to true, "MozLastInputMasked" is fired when last input characters are
# masked by timeout.
- name: editor.password.testing.mask_delay
  type: bool
  value: false
  mirror: always

# How line breakers are treated in single line editor:
# * 0: Only remove the leading and trailing newlines.
# * 1: Remove the first newline and all characters following it.
# * 2: Replace newlines with spaces (default of Firefox).
# * 3: Remove newlines from the string.
# * 4: Replace newlines with commas (default of Thunderbird).
# * 5: Collapse newlines and surrounding white space characters and
#      remove them from the string.
# Other values are treated as 1.
- name: editor.singleLine.pasteNewlines
  type: int32_t
  value: 2
  mirror: always

# Whether user pastes should be truncated.
- name: editor.truncate_user_pastes
  type: bool
  value: true
  mirror: always

# When this is set to `true`, "editor.background_color" must be set, then,
# the value is treated as default background color of the HTML editor.
# If `false` and "browser.display.use_system_colors" is set to `true`,
# "browser.display.background_color" is used instead.
# Otherwise, no color is used as default background color.
# This pref is for Thunderbird and SeaMonkey.
- name: editor.use_custom_colors
  type: bool
  value: false
  mirror: always

# If this is set to `true`, CSS mode of style editor is enabled by default
# unless it's a mail editor.
# This pref is for Thunderbird and SeaMonkey.
- name: editor.use_css
  type: bool
  value: false
  mirror: always

# Whether enabling blink compatible white-space normalizer or keep using
# Gecko's traditional white-space normalizer.
- name: editor.white_space_normalization.blink_compatible
  type: bool
  value: false
  mirror: always

# General prefs for editor, indicating whether Gecko-specific editing UI is
# enabled by default. Those UIs are not implemented by any other browsers.  So,
# only Firefox users can change some styles with them. This means that Firefox
# users may get unexpected result of some web apps if they assume that users
# cannot change such styles.
- name: editor.resizing.enabled_by_default
  type: bool
  value: false
  mirror: always
- name: editor.inline_table_editing.enabled_by_default
  type: bool
  value: false
  mirror: always
- name: editor.positioning.enabled_by_default
  type: bool
  value: false
  mirror: always

# Controls if a double click word selection also deletes one adjacent whitespace
# (if feasible). This mimics native behaviour on MacOS.
- name: editor.word_select.delete_space_after_doubleclick_selection
  type: bool
#ifdef XP_MACOSX
  value: true
#else
  value: false
#endif
  mirror: always

#---------------------------------------------------------------------------
# Prefs starting with "extensions."
#---------------------------------------------------------------------------

# Pref that enforces the use of web_accessible_resources for content loads.
# This behavior is default for MV3.  The pref controls this for MV2.
- name: extensions.content_web_accessible.enabled
  type: bool
  value: false
  mirror: always

# Whether the InstallTrigger implementation should be enabled (or hidden and
# none of its methods available).
- name: extensions.InstallTriggerImpl.enabled
  type: bool
  value: false
  mirror: always

# Whether the InstallTrigger implementation should be enabled (or completely
# hidden), separate from InstallTriggerImpl because InstallTrigger is improperly
# used also for UA detection.
- name: extensions.InstallTrigger.enabled
  type: bool
  value: @IS_NOT_EARLY_BETA_OR_EARLIER@
  mirror: always


# Whether the background.service_worker in the extension manifest.json file
# is enabled.
- name: extensions.backgroundServiceWorker.enabled
  type: bool
  value: false
  mirror: once

# Maximum number of misspelled words in a text.
- name: extensions.spellcheck.inline.max-misspellings
  type: int32_t
  value: 500
  mirror: always

# Whether the extensions can register a service worker on its own.
# NOTE: WebExtensions Framework ability to register a background service worker
# is not controlled by this pref, only the extension code ability to use
# navigator.serviceWorker.register is locked behind this pref.
- name: extensions.serviceWorkerRegister.allowed
  type: bool
  value: false
  mirror: always

# Legacy behavior on filterResponse calls on intercepted sw script requests.
- name: extensions.filterResponseServiceWorkerScript.disabled
  type: bool
  value: false
  mirror: always

# This pref governs whether we run webextensions in a separate process (true)
# or the parent/main process (false)
- name: extensions.webextensions.remote
  type: RelaxedAtomicBool
  value: false
  mirror: always

# Whether to expose the MockExtensionAPI test interface in tests.
# The interface MockExtensionAPI doesn't represent a real extension API,
# it is only available in test and does include a series of cases useful
# to test the API request handling without tying the unit test to a
# specific WebExtensions API.
- name: extensions.webidl-api.expose_mock_interface
  type: RelaxedAtomicBool
  value: false
  mirror: always

# Whether to allow acccess to AddonManager to developer sites for testing
# NOTE: We'd like this to be a "hidden" pref once StaticPrefs supports it.
- name: extensions.webapi.testing
  type: RelaxedAtomicBool
  value: false
  mirror: always

# Automation-only pref to allow AddonManager over insecure protocols.
# NOTE: We'd like this to be a "hidden" pref once StaticPrefs supports it.
- name: extensions.webapi.testing.http
  type: RelaxedAtomicBool
  value: false
  mirror: always

#---------------------------------------------------------------------------
# Prefs starting with "fission."
#---------------------------------------------------------------------------

# Whether to enable Fission in new windows by default.
# IMPORTANT: This preference should *never* be checked directly, since any
# session can contain a mix of Fission and non-Fission windows. Instead,
# callers should check whether the relevant nsILoadContext has the
# `useRemoteSubframes` flag set.
# Callers which cannot use `useRemoteSubframes` must use
# `Services.appinfo.fissionAutostart` or `mozilla::FissionAutostart()` to check
# whether fission is enabled by default.
- name: fission.autostart
  type: bool
  value: @IS_NOT_ANDROID@
  mirror: never

# This pref has no effect within fission windows, it only controls the
# behaviour within non-fission windows. If true, preserve browsing contexts
# between process swaps.
- name: fission.preserve_browsing_contexts
  type: bool
  value: true
  mirror: always

# Disable storing the session history in the parent process, and accessing it
# over IPC from the child processes.
- name: fission.disableSessionHistoryInParent
  type: bool
  value: @IS_ANDROID@
  mirror: once
  do_not_use_directly: true

# If session history is stored in the parent process, enable bfcache for it.
- name: fission.bfcacheInParent
  type: bool
  value: true
  mirror: always
  do_not_use_directly: true

# Allow renaming of processes from Private Windows to the eTLD+1 on nightly
# Setting this pref creates a privacy leak, but helps greatly with
# debugging.
- name: fission.processPrivateWindowSiteNames
  type: bool
  value: false
  mirror: always

# Allow renaming of process names to the eTLD+1 on all versions, NOT
# including processes from Private Windows
# Setting this pref creates a privacy leak, but helps greatly with
# debugging
- name: fission.processSiteNames
  type: bool
  value: false
  mirror: always

# Allow showing of current profile along with process names, NOT
# including processes from Private Windows
# Setting this pref creates a privacy leak, but helps greatly with
# debugging
- name: fission.processProfileName
  type: bool
  value: false
  mirror: always

# If true, allow process-switching documents loaded by <object> and <embed>
# elements into a remote process.
# NOTE: This pref has no impact outside of windows with the
# `useRemoteSubframes` flag set.
- name: fission.remoteObjectEmbed
  type: bool
  value: true
  mirror: always

# The strategy used to control how sites are isolated into separate processes
# when Fisison is enabled. This pref has no effect if Fission is disabled.
# See the `WebContentIsolationStrategy` enum in `ProcessIsolation.cpp`.
- name: fission.webContentIsolationStrategy
  type: uint32_t
  value: 1
  mirror: always

# Time in seconds before a site loaded with the Cross-Origin-Opener-Policy
# header is no longer considered high-value and isolated in the "highValueCOOP"
# configuration.
- name: fission.highValue.coop.expiration
  type: uint32_t
  value: 2592000   # 30 days (in seconds)
  mirror: always

# Time in seconds before a site are considered high-value by the login detection
# service is no longer considered high-value and isolated in the "highValueHasSavedLogin"
# or "highValueIsLoggedIn" configuration.
- name: fission.highValue.login.expiration
  type: uint32_t
  value: 2592000   # 30 days (in seconds)
  mirror: always

# If true, capture login attemp, and add "highValueIsLoggedIn" permission to
# the permission manager no matter whether fission is enabled and
# WebContentIsolationStrateg is set to IsolateHighvalue.
- name: fission.highValue.login.monitor
  type: bool
  value: @IS_ANDROID@
  mirror: always

# If true, do not send blocklisted preference values to the subprocess
- name: fission.omitBlocklistedPrefsInSubprocesses
  type: RelaxedAtomicBool
  value: true
  mirror: always

# If true, crash when a blocklisted preference is accessed in a subprocess
- name: fission.enforceBlocklistedPrefsInSubprocesses
  type: RelaxedAtomicBool
  value: @IS_EARLY_BETA_OR_EARLIER@
  mirror: always

#---------------------------------------------------------------------------
# Prefs starting with "font."
#---------------------------------------------------------------------------

# A value greater than zero enables font size inflation for
# pan-and-zoom UIs, so that the fonts in a block are at least the size
# that, if a block's width is scaled to match the device's width, the
# fonts in the block are big enough that at most the pref value ems of
# text fit in *the width of the device*.
#
# When both this pref and the next are set, the larger inflation is used.
- name: font.size.inflation.emPerLine
  type: uint32_t
  value: 0
  mirror: always

# A value greater than zero enables font size inflation for
# pan-and-zoom UIs, so that if a block's width is scaled to match the
# device's width, the fonts in a block are at least the given font size.
# The value given is in twips, i.e., 1/20 of a point, or 1/1440 of an inch.
#
# When both this pref and the previous are set, the larger inflation is used.
- name: font.size.inflation.minTwips
  type: uint32_t
  value: 0
  mirror: always

# In products with multi-mode pan-and-zoom and non-pan-and-zoom UIs,
# this pref forces font inflation to always be enabled in all modes.
# That is, any heuristics used to detect pan-and-zoom
# vs. non-pan-and-zoom modes are disabled and all content is treated
# as pan-and-zoom mode wrt font inflation.
#
# This pref has no effect if font inflation is not enabled through
# either of the prefs above.  It has no meaning in single-mode UIs.
- name: font.size.inflation.forceEnabled
  type: bool
  value: false
  mirror: always

# In products with multi-mode pan-and-zoom and non-pan-and-zoom UIs,
# this pref disables font inflation in master-process contexts where
# existing heuristics can't be used determine enabled-ness.
#
# This pref has no effect if font inflation is not enabled through
# either of the prefs above.  The "forceEnabled" pref above overrides
# this pref.
- name: font.size.inflation.disabledInMasterProcess
  type: bool
  value: false
  mirror: always

# Defines the font size inflation mapping intercept parameter.
#
# Font size inflation computes a minimum font size, m, based on
# other preferences (see font.size.inflation.minTwips and
# font.size.inflation.emPerLine, above) and the width of the
# frame in which the text resides. Using this minimum, a specified
# font size, s, is mapped to an inflated font size, i, using an
# equation that varies depending on the value of the font size
# inflation mapping intercept parameter, P.
#
# If the intercept parameter is negative, then the following mapping
# function is used:
#
# i = m + s
#
# If the intercept parameter is non-negative, then the mapping function
# is a function such that its graph meets the graph of i = s at the
# point where both i and s are (1 + P/2) * m for values of s that are
# large enough. This means that when s=0, i is always equal to m.
- name: font.size.inflation.mappingIntercept
  type: int32_t
  value: 1
  mirror: always

# Since the goal of font size inflation is to avoid having to
# repeatedly scroll side to side to read a block of text, and there are
# a number of page layouts where a relatively small chunk of text is
# better off not being inflated according to the same algorithm we use
# for larger chunks of text, we want a threshold for an amount of text
# that triggers font size inflation.  This preference controls that
# threshold.
#
# It controls the threshold used within an *approximation* of the
# number of lines of text we use.  In particular, if we assume that
# each character (collapsing collapsible whitespace) has a width the
# same as the em-size of the font (when, normally, it's actually quite
# a bit smaller on average), this preference gives the percentage of a
# number of lines of text we'd need to trigger inflation.  This means
# that a percentage of 100 means that we'd need a number of characters
# (we know the font size and the width) equivalent to one line of
# square text (which is actually a lot less than a real line of text).
#
# A value of 0 means there's no character length threshold.
- name: font.size.inflation.lineThreshold
  type: uint32_t
  value: 400
  mirror: always

# This controls the percentage that fonts will be inflated, if font
# size inflation is enabled. Essentially, if we have a specified font
# size, s, and an inflated font size, i, this specifies that the ratio
# i/s * 100 should never exceed the value of this preference. In order
# for this preference to have any effect, its value must be greater
# than 100, since font inflation can never decrease the ratio i/s.
- name: font.size.inflation.maxRatio
  type: uint32_t
  value: 0
  mirror: always

#---------------------------------------------------------------------------
# Prefs starting with "full-screen-api."
#---------------------------------------------------------------------------

- name: full-screen-api.enabled
  type: bool
  value: false
  mirror: always

- name: full-screen-api.allow-trusted-requests-only
  type: bool
  value: true
  mirror: always

- name: full-screen-api.mouse-event-allow-left-button-only
  type: bool
  value: true
  mirror: always

- name: full-screen-api.exit-on.windowOpen
  type: bool
  value: true
  mirror: always

- name: full-screen-api.exit-on.windowRaise
  type: bool
  value: true
  mirror: always

- name: full-screen-api.pointer-lock.enabled
  type: bool
  value: true
  mirror: always

# whether to prevent the top level widget from going fullscreen
- name: full-screen-api.ignore-widgets
  type: bool
  value: false
  mirror: always

#---------------------------------------------------------------------------
# Prefs starting with "fuzzing.". It's important that these can only be
# checked in fuzzing builds (when FUZZING is defined), otherwise you could
# enable the fuzzing stuff on your regular build which would be bad :)
#---------------------------------------------------------------------------

#ifdef FUZZING
-   name: fuzzing.enabled
    type: bool
#ifdef FUZZING_SNAPSHOT
    value: true
#else
    value: false
#endif
    mirror: always

-   name: fuzzing.necko.enabled
    type: RelaxedAtomicBool
    value: false
    mirror: always

-   name: fuzzing.necko.http3
    type: RelaxedAtomicBool
    value: false
    mirror: always
    rust: true
#endif

#---------------------------------------------------------------------------
# Prefs starting with "general."
#---------------------------------------------------------------------------

- name: general.aboutConfig.enable
  type: bool
  value: true
  mirror: always

# Limits the depth of recursive conversion of data when opening
# a content to view.  This is mostly intended to prevent infinite
# loops with faulty converters involved.
- name: general.document_open_conversion_depth_limit
  type: uint32_t
  value: 20
  mirror: always

- name: general.smoothScroll
  type: RelaxedAtomicBool
  value: true
  mirror: always

# This pref and general.smoothScroll.stopDecelerationWeighting determine
# the timing function.
- name: general.smoothScroll.currentVelocityWeighting
  type: AtomicFloat
  value: 0.25
  mirror: always

# To connect consecutive scroll events into a continuous flow, the animation's
# duration should be longer than scroll events intervals (or else the scroll
# will stop before the next event arrives - we're guessing the next interval
# by averaging recent intervals).
# This defines how much longer the duration is compared to the events
# interval (percentage).
- name: general.smoothScroll.durationToIntervalRatio
  type: RelaxedAtomicInt32
  value: 200
  mirror: always

- name: general.smoothScroll.lines
  type: RelaxedAtomicBool
  value: true
  mirror: always

- name: general.smoothScroll.lines.durationMaxMS
  type: RelaxedAtomicInt32
  value: 150
  mirror: always

- name: general.smoothScroll.lines.durationMinMS
  type: RelaxedAtomicInt32
  value: 150
  mirror: always

- name: general.smoothScroll.mouseWheel
  type: RelaxedAtomicBool
  value: true
  mirror: always

- name: general.smoothScroll.mouseWheel.durationMaxMS
  type: RelaxedAtomicInt32
  value: 200
  mirror: always

- name: general.smoothScroll.mouseWheel.durationMinMS
  type: RelaxedAtomicInt32
  value: 50
  mirror: always

- name: general.smoothScroll.other
  type: RelaxedAtomicBool
  value: true
  mirror: always

- name: general.smoothScroll.other.durationMaxMS
  type: RelaxedAtomicInt32
  value: 150
  mirror: always

- name: general.smoothScroll.other.durationMinMS
  type: RelaxedAtomicInt32
  value: 150
  mirror: always

- name: general.smoothScroll.pages
  type: RelaxedAtomicBool
  value: true
  mirror: always

- name: general.smoothScroll.pages.durationMaxMS
  type: RelaxedAtomicInt32
  value: 150
  mirror: always

- name: general.smoothScroll.pages.durationMinMS
  type: RelaxedAtomicInt32
  value: 150
  mirror: always

- name: general.smoothScroll.scrollbars
  type: RelaxedAtomicBool
  value: true
  mirror: always

- name: general.smoothScroll.scrollbars.durationMaxMS
  type: RelaxedAtomicInt32
  value: 150
  mirror: always

- name: general.smoothScroll.scrollbars.durationMinMS
  type: RelaxedAtomicInt32
  value: 150
  mirror: always

- name: general.smoothScroll.pixels
  type: RelaxedAtomicBool
  value: true
  mirror: always

- name: general.smoothScroll.pixels.durationMaxMS
  type: RelaxedAtomicInt32
  value: 150
  mirror: always

- name: general.smoothScroll.pixels.durationMinMS
  type: RelaxedAtomicInt32
  value: 150
  mirror: always

# This pref and general.smoothScroll.currentVelocityWeighting determine
# the timing function.
- name: general.smoothScroll.stopDecelerationWeighting
  type: AtomicFloat
  value: 0.4f
  mirror: always

# Alternative smooth scroll physics. ("MSD" = Mass-Spring-Damper)
- name: general.smoothScroll.msdPhysics.enabled
  type: RelaxedAtomicBool
  value: false
  mirror: always

- name: general.smoothScroll.msdPhysics.continuousMotionMaxDeltaMS
  type: RelaxedAtomicInt32
  value: 120
  mirror: always

- name: general.smoothScroll.msdPhysics.motionBeginSpringConstant
  type: RelaxedAtomicInt32
  value: 1250
  mirror: always

- name: general.smoothScroll.msdPhysics.slowdownMinDeltaMS
  type: RelaxedAtomicInt32
  value: 12
  mirror: always

- name: general.smoothScroll.msdPhysics.slowdownMinDeltaRatio
  type: AtomicFloat
  value: 1.3f
  mirror: always

- name: general.smoothScroll.msdPhysics.slowdownSpringConstant
  type: RelaxedAtomicInt32
  value: 2000
  mirror: always

- name: general.smoothScroll.msdPhysics.regularSpringConstant
  type: RelaxedAtomicInt32
  value: 1000
  mirror: always

#---------------------------------------------------------------------------
# Prefs starting with "geo."
#---------------------------------------------------------------------------

# Is support for Navigator.geolocation enabled?
- name: geo.enabled
  type: bool
  value: true
  mirror: always

# Time, in milliseconds, to wait for the location provider to spin up.
- name: geo.timeout
  type: int32_t
  value: 6000
  mirror: always

#ifdef MOZ_ENABLE_DBUS
# Whether to use Geoclue location provider (if available on the system).
- name: geo.provider.use_geoclue
  type: bool
  value: true
  mirror: always

# Whether to always provide high location accuracy, even if site
# doesn't actually request this level of accuracy.
# Almost no site correctly requests high accuracy so force it by default
# for compatibility with other geolocation providers.
- name: geo.provider.geoclue.always_high_accuracy
  type: bool
  value: true
  mirror: always
#endif

#---------------------------------------------------------------------------
# Prefs starting with "gfx."
#---------------------------------------------------------------------------

- name: gfx.allow-texture-direct-mapping
  type: bool
  value: true
  mirror: once

# Allow 24-bit colour when the hardware supports it.
- name: gfx.android.rgb16.force
  type: bool
  value: false
  mirror: once

- name: gfx.apitrace.enabled
  type: bool
  value: false
  mirror: once

- name: gfx.blithelper.precision
  type: RelaxedAtomicUint32
  value: 2 # { 0: lowp, 1: mediump, 2: highp }
  mirror: always

- name: gfx.blithelper.lut-size.rgb.b
  type: RelaxedAtomicUint32
  value: 15
  mirror: always
- name: gfx.blithelper.lut-size.rgb.g
  type: RelaxedAtomicUint32
  value: 31
  mirror: always
- name: gfx.blithelper.lut-size.rgb.r
  type: RelaxedAtomicUint32
  value: 31
  mirror: always

- name: gfx.blithelper.lut-size.ycbcr.cb
  type: RelaxedAtomicUint32
  value: 15
  mirror: always
- name: gfx.blithelper.lut-size.ycbcr.cr
  type: RelaxedAtomicUint32
  value: 31
  mirror: always
- name: gfx.blithelper.lut-size.ycbcr.y
  type: RelaxedAtomicUint32
  value: 31
  mirror: always

# Nb: we ignore this pref on release and beta.
- name: gfx.blocklist.all
  type: int32_t
  value: 0
  mirror: once

#if defined(XP_MACOSX)
- name: gfx.cairo_quartz_cg_layer.enabled
  type: bool
  value: true
  mirror: always
#endif

- name: gfx.canvas.accelerated
  type: bool
#if defined(XP_MACOSX) || defined(XP_LINUX) && !defined(ANDROID)
  value: true
#elif defined(MOZ_WIDGET_ANDROID)
  value: true
#else
  value: false
#endif
  mirror: always

# Whether to attempt to enable Accelerated Canvas2D regardless of blocklisting.
- name: gfx.canvas.accelerated.force-enabled
  type: bool
  value: false
  mirror: always

- name: gfx.canvas.accelerated.async-present
  type: RelaxedAtomicBool
  value: true
  mirror: always

- name: gfx.canvas.accelerated.cache-items
  type: RelaxedAtomicUint32
  value: 2048
  mirror: always

- name: gfx.canvas.accelerated.cache-size
  type: RelaxedAtomicUint32
  value: 256
  mirror: always

- name: gfx.canvas.accelerated.reserve-empty-cache
  type: RelaxedAtomicUint32
  value: 36
  mirror: always

- name: gfx.canvas.accelerated.max-size
  type: RelaxedAtomicInt32
  value: 0
  mirror: always

- name: gfx.canvas.accelerated.min-size
  type: RelaxedAtomicInt32
  value: 128
  mirror: always

- name: gfx.canvas.accelerated.max-surface-size
  type: RelaxedAtomicUint32
  value: 5280
  mirror: always

- name: gfx.canvas.accelerated.shared-page-size
  type: RelaxedAtomicUint32
  value: 1024
  mirror: always

# The minimum number of frames before acting on performance profile info
- name: gfx.canvas.accelerated.profile-frames
  type: RelaxedAtomicUint32
  value: 10
  mirror: always

# The ratio of failed frames to total frames when to fall back from acceleration
- name: gfx.canvas.accelerated.profile-fallback-ratio
  type: AtomicFloat
  value: 0.3
  mirror: always

# The ratio of cache misses at which to fail a profile frame
- name: gfx.canvas.accelerated.profile-cache-miss-ratio
  type: AtomicFloat
  value: 0.66
  mirror: always

# The maximum size of the GPU path cache in MB.
- name: gfx.canvas.accelerated.gpu-path-size
  type: RelaxedAtomicUint32
  value: 4
  mirror: always

# The maximum allowed complexity of a GPU path.
- name: gfx.canvas.accelerated.gpu-path-complexity
  type: RelaxedAtomicUint32
  value: 4000
  mirror: always

# Whether to accelerate stroked paths by converting them to fill paths.
- name: gfx.canvas.accelerated.stroke-to-fill-path
  type: RelaxedAtomicBool
  value: false
  mirror: always

# Whether to use aa-stroke to accelerate stroked paths.
- name: gfx.canvas.accelerated.aa-stroke.enabled
  type: RelaxedAtomicBool
  value: true
  mirror: always

# Draws an indicator if acceleration is used.
- name: gfx.canvas.accelerated.debug
  type: RelaxedAtomicBool
  value: false
  mirror: always

# 0x7fff is the maximum supported xlib surface size and is more than enough for canvases.
- name: gfx.canvas.max-size
  type: RelaxedAtomicInt32
  value: 0x7fff
  mirror: always

- name: gfx.canvas.remote
  type: RelaxedAtomicBool
#if defined(XP_WIN)
  value: true
#else
  value: false
#endif
  mirror: always

- name: gfx.color_management.display_profile
  type: DataMutexString
  value: ""
  mirror: always # But be warned: We cache the result.

- name: gfx.color_management.force_srgb
  type: RelaxedAtomicBool
  value: false
  mirror: always

- name: gfx.color_management.native_srgb
  type: RelaxedAtomicBool
#if defined(XP_MACOSX)
  value: true
#else
  value: false
#endif
  mirror: always

- name: gfx.color_management.enablev4
  type: RelaxedAtomicBool
  value: true
  mirror: always

# 0 = Off, 1 = Full, 2 = Tagged Images Only.
# See CMSMode in gfx/thebes/gfxPlatform.h.
- name: gfx.color_management.mode
  type: RelaxedAtomicInt32
  value: 2
  mirror: always

# The zero default here should match QCMS_INTENT_DEFAULT from qcms.h
- name: gfx.color_management.rendering_intent
  type: RelaxedAtomicInt32
  value: 0
  mirror: always

- name: gfx.color_management.rec709_gamma_as_srgb
  type: RelaxedAtomicBool
  value: true # Tragic backwards compat.
  mirror: always

- name: gfx.color_management.rec2020_gamma_as_rec709
  type: RelaxedAtomicBool
  value: true # Match naive behavior, but hopefully we can stop soon!
  mirror: always

- name: gfx.compositor.clearstate
  type: RelaxedAtomicBool
  value: false
  mirror: always

# Whether GL contexts can be migrated to a different GPU (to match the one the
# OS is using for composition).
#
# 0 = force disable migration
# 1 = use migration where in safe configurations (the default)
# 2 = force enable migration (for testing)
- name: gfx.compositor.gpu-migration
  type: RelaxedAtomicInt32
  value: 1
  mirror: always

- name: gfx.core-animation.tint-opaque
  type: RelaxedAtomicBool
  value: false
  mirror: always

#ifdef XP_MACOSX
  # Create specialized video-only layers for video content in
  # fullscreen windows. Consistently works well on Apple Silicon,
  # some issues remain on Intel hardware.
-   name: gfx.core-animation.specialize-video
    type: RelaxedAtomicBool
#if defined(MOZ_AARCH64)
    value: true
#else
    value: false
#endif
    mirror: always
#endif

#if defined(XP_MACOSX) && defined(NIGHTLY_BUILD)
  # Spoof the timing of the video sample instead of marking the untimed
  # sample to be displayed immediately.
-   name: gfx.core-animation.specialize-video.spoof-timing
    type: RelaxedAtomicBool
    value: false
    mirror: always

  # Check that the sample has a color space and if it doesn't, log that
  # and supply the default color space from the main display.
-   name: gfx.core-animation.specialize-video.check-color-space
    type: RelaxedAtomicBool
    value: false
    mirror: always

  # Log properties of the video surface, buffer, and format.
-   name: gfx.core-animation.specialize-video.log
    type: RelaxedAtomicBool
    value: false
    mirror: always
#endif

#ifdef XP_MACOSX
-   name: gfx.core-animation.low-power-telemetry-frames
    type: int32_t
    value: 600
    mirror: once
#endif

#if defined(MOZ_WIDGET_ANDROID)
  # Overrides the glClear color used when the surface origin is not (0, 0)
  # Used for drawing a border around the content.
-   name: gfx.compositor.override.clear-color.r
    type: AtomicFloat
    value: 0.0f
    mirror: always

-   name: gfx.compositor.override.clear-color.g
    type: AtomicFloat
    value: 0.0f
    mirror: always

-   name: gfx.compositor.override.clear-color.b
    type: AtomicFloat
    value: 0.0f
    mirror: always

-   name: gfx.compositor.override.clear-color.a
    type: AtomicFloat
    value: 0.0f
    mirror: always
#endif  # defined(MOZ_WIDGET_ANDROID)

- name: gfx.content.always-paint
  type: RelaxedAtomicBool
  value: false
  mirror: always

# Size in megabytes
- name: gfx.content.skia-font-cache-size
  type: int32_t
  value: 5
  mirror: once

- name: gfx.device-reset.limit
  type: int32_t
  value: 10
  mirror: once

- name: gfx.device-reset.threshold-ms
  type: int32_t
  value: -1
  mirror: once


# Whether to disable the automatic detection and use of direct2d.
- name: gfx.direct2d.disabled
  type: bool
  value: false
  mirror: once

# Whether to attempt to enable Direct2D regardless of automatic detection or
# blacklisting.
- name: gfx.direct2d.force-enabled
  type: bool
  value: false
  mirror: once

# Whether to defer destruction of Direct2D DrawTargets to the paint thread
# when using OMTP.
- name: gfx.direct2d.destroy-dt-on-paintthread
  type: RelaxedAtomicBool
  value: true
  mirror: always

- name: gfx.direct2d.target-independent-rasterization.disabled
  type: bool
  value: false
  mirror: once

- name: gfx.direct3d11.reuse-decoder-device
  type: bool
  value: true
  mirror: once
# Enable reuse decoder device even when it is blocked.
- name: gfx.direct3d11.reuse-decoder-device-force-enabled
  type: bool
  value: false
  mirror: once

- name: gfx.direct3d11.allow-keyed-mutex
  type: RelaxedAtomicBool
  value: true
  mirror: always

- name: gfx.direct3d11.use-double-buffering
  type: RelaxedAtomicBool
  value: false
  mirror: always

- name: gfx.direct3d11.enable-debug-layer
  type: bool
  value: false
  mirror: once

- name: gfx.direct3d11.break-on-error
  type: bool
  value: false
  mirror: once

- name: gfx.direct3d11.sleep-on-create-device
  type: int32_t
  value: 0
  mirror: once

# Rate by which the frame rate is divided. I.e. at a number higher than 1 we
# will only refresh every <x> frames.
- name: gfx.display.frame-rate-divisor
  type: RelaxedAtomicInt32
  value: 1
  mirror: always

- name: gfx.display.max-frame-rate
  type: RelaxedAtomicInt32
  value: 0
  mirror: always

# Whether to preserve color bitmap tables in fonts (bypassing OTS).
# Currently these are supported only on platforms where we use Freetype
# to render fonts (Linux/Gtk and Android).
- name: gfx.downloadable_fonts.keep_color_bitmaps
  type: RelaxedAtomicBool
  value: false
  mirror: always

# Whether font sanitization is performed on the main thread or not.
- name: gfx.downloadable_fonts.sanitize_omt
  type: RelaxedAtomicBool
  value: true
  mirror: always

# Whether to validate OpenType variation tables in fonts.
- name: gfx.downloadable_fonts.validate_variation_tables
  type: RelaxedAtomicBool
  value: true
  mirror: always

# Whether OTS validation should be applied to OpenType Layout (OTL) tables.
- name: gfx.downloadable_fonts.otl_validation
  type: RelaxedAtomicBool
  value: @IS_NOT_RELEASE_OR_BETA@
  mirror: always

- name: gfx.draw-color-bars
  type: RelaxedAtomicBool
  value: false
  mirror: always

- name: gfx.e10s.hide-plugins-for-scroll
  type: bool
  value: true
  mirror: once

- name: gfx.e10s.font-list.shared
  type: bool
  value: true
  mirror: once

# Do we fire a notification about missing fonts, so the front-end can decide
# whether to try and do something about it (e.g. download additional fonts)?
- name: gfx.missing_fonts.notify
  type: RelaxedAtomicBool
  value: false
  mirror: always

#if !defined(MOZ_WIDGET_ANDROID)
- name: gfx.egl.prefer-gles.enabled
  type: bool
#if defined(MOZ_WIDGET_GTK) && defined(MOZ_AARCH64)
  value: true
#else
  value: false
#endif
  mirror: once
#endif

# [Windows] Whether registry FontSubstitutes entries are used unconditionally,
# or only if the original font is not available.
#if defined(XP_WIN)
- name: gfx.windows-font-substitutes.always
  type: bool
  value: false
  mirror: once
#endif

- name: gfx.font-list-omt.enabled
  type: bool
#if defined(XP_MACOSX)
  value: true
#else
  value: false
#endif
  mirror: once

# [Android] OPPO, realme and OnePlus device seem to crash when using Font
# Match API. We turn off this feature on these devices. Set true if you want to
# turn on it at force.
#if defined(MOZ_WIDGET_ANDROID)
- name: gfx.font-list.use_font_match_api.force-enabled
  type: bool
  value: false
  mirror: once
#endif

# Whether to load fonts (e.g. Twemoji Mozilla) bundled with the application:
#  -1 - Auto behavior based on OS version (currently, disables loading on
#       "low-memory" Android devices)
#   0 - Skip loading any bundled fonts
#   1 - Always load bundled fonts
- name: gfx.bundled-fonts.activate
  type: int32_t
  value: -1
  mirror: once

- name: gfx.font_loader.delay
  type: uint32_t
#if defined(XP_WIN)
  value: 60000
#else
  value: 8000
#endif
  mirror: once

# Disable antialiasing of Ahem, for use in tests.
- name: gfx.font_rendering.ahem_antialias_none
  type: RelaxedAtomicBool
  value: false
  mirror: always

#if defined(XP_MACOSX)
  # Set to true to revert from HarfBuzz AAT shaping to the old Core Text
  # backend.
-   name: gfx.font_rendering.coretext.enabled
    type: RelaxedAtomicBool
    value: false
    mirror: always
#endif

- name: gfx.font_rendering.colr_v1.enabled
  type: RelaxedAtomicBool
  value: true
  mirror: always

- name: gfx.font_rendering.opentype_svg.enabled
  type: RelaxedAtomicBool
  value: true
  mirror: always
  rust: true

- name: gfx.font_rendering.fallback.async
  type: RelaxedAtomicBool
  value: true
  mirror: always

# whether to always search all font cmaps during system font fallback
- name: gfx.font_rendering.fallback.always_use_cmaps
  type: RelaxedAtomicBool
  value: false
  mirror: always

# whether to do font fallback for codepoints with General Category = Unassigned
- name: gfx.font_rendering.fallback.unassigned_chars
  type: RelaxedAtomicBool
  value: false
  mirror: always

#ifdef MOZ_WIDGET_GTK
-   name: gfx.font_rendering.fontconfig.max_generic_substitutions
    type: RelaxedAtomicUint32
    value: 3
    mirror: always
#endif

#if defined(XP_WIN)
# Whether the DirectWrite bold simulation should be used when a bold font-weight
# is requested but no bold face available in the family. This renders poorly with
# some third-party fonts, so by default we disable it for webfonts and allow it
# only with locally-installed fonts.
# Values:
#   0 - never use DWrite bold simulation; always multi-strike instead
#   1 - use DWrite bold for installed fonts, multi-strike for webfont resources
#   2 - use DWrite bold for all fonts
- name: gfx.font_rendering.directwrite.bold_simulation
  type: RelaxedAtomicUint32
  value: 1
  mirror: always
#endif

- name: gfx.font_rendering.graphite.enabled
  type: RelaxedAtomicBool
  value: true
  mirror: always

# Cache shaped word results
- name: gfx.font_rendering.wordcache.charlimit
  type: RelaxedAtomicUint32
  value: 32
  mirror: always

# Cache shaped word results
- name: gfx.font_rendering.wordcache.maxentries
  type: RelaxedAtomicUint32
  value: 10000
  mirror: always

# The level of logging:
# - 0: no logging;
# - 1: adds errors;
# - 2: adds warnings;
# - 3 or 4: adds debug logging.
# If you set the value to 4, you will also need to set the environment
# variable MOZ_LOG to gfx:4. See mozilla/Logging.h for details.
- name: gfx.logging.level
  type: RelaxedAtomicInt32
  value: mozilla::gfx::LOG_DEFAULT
  mirror: always
  include: mozilla/gfx/LoggingConstants.h

- name: gfx.logging.crash.length
  type: uint32_t
  value: 16
  mirror: once

# The maximums here are quite conservative, we can tighten them if problems show up.
- name: gfx.logging.texture-usage.enabled
  type: bool
  value: false
  mirror: once

- name: gfx.logging.peak-texture-usage.enabled
  type: bool
  value: false
  mirror: once

- name: gfx.logging.slow-frames.enabled
  type: bool
  value: false
  mirror: once

# Use gfxPlatform::MaxAllocSize instead of the pref directly.
- name: gfx.max-alloc-size
  type: int32_t
  value: (int32_t)0x7FFFFFFF
  mirror: once
  do_not_use_directly: true

# Use gfxPlatform::MaxTextureSize instead of the pref directly.
- name: gfx.max-texture-size
  type: int32_t
  value: (int32_t)32767
  mirror: once
  do_not_use_directly: true

# Enable OffscreenCanvas everywhere.
- name: gfx.offscreencanvas.enabled
  type: RelaxedAtomicBool
  value: true
  mirror: always

- name: gfx.omta.background-color
  type: bool
  value: true
  mirror: always

- name: gfx.partialpresent.force
  type: RelaxedAtomicInt32
  value: 0
  mirror: always

# SwapInterval
- name: gfx.swap-interval.glx
  type: RelaxedAtomicBool
  value: true
  mirror: always

- name: gfx.swap-interval.egl
  type: RelaxedAtomicBool
  mirror: always
#ifdef MOZ_WIDGET_ANDROID
  value: true
#else
  value: false
#endif


# Log severe performance warnings to the error console and profiles.
# This should be use to quickly find which slow paths are used by test cases.
- name: gfx.perf-warnings.enabled
  type: RelaxedAtomicBool
  value: false
  mirror: always

#ifdef MOZ_X11
# Whether to force using GLX over EGL.
- name: gfx.x11-egl.force-disabled
  type: bool
  value: false
  mirror: once

# Whether to force using EGL over GLX.
- name: gfx.x11-egl.force-enabled
  type: bool
  value: false
  mirror: once
#endif

- name: gfx.testing.device-fail
  type: RelaxedAtomicBool
  value: false
  mirror: always

- name: gfx.testing.device-reset
  type: RelaxedAtomicInt32
  value: 0
  mirror: always

- name: gfx.text.disable-aa
  type: bool
  value: false
  mirror: once

- name: gfx.text.subpixel-position.force-enabled
  type: bool
  value: false
  mirror: once

- name: gfx.text.subpixel-position.force-disabled
  type: bool
  value: false
  mirror: once

- name: gfx.use-iosurface-textures
  type: bool
  value: false
  mirror: once

- name: gfx.use-mutex-on-present
  type: bool
  value: false
  mirror: once

# Use SurfaceTextures as preferred backend for TextureClient/Host.
- name: gfx.use-surfacetexture-textures
  type: bool
  value: false
  mirror: once

- name: gfx.vsync.collect-scroll-transforms
  type: RelaxedAtomicBool
  value: false
  mirror: always

- name: gfx.vsync.compositor.unobserve-count
  type: int32_t
  value: 10
  mirror: once

- name: gfx.vsync.force-disable-waitforvblank
  type: RelaxedAtomicBool
  value: false
  mirror: always

- name: gfx.will-change.ignore-opacity
  type: RelaxedAtomicBool
  value: true
  mirror: always

# Should we override the blocklist to enable WebGPU?
- name: gfx.webgpu.ignore-blocklist
  type: bool
  value: false
  mirror: once

# We expose two prefs: gfx.webrender.all and gfx.webrender.enabled.
# The first enables WR+additional features, and the second just enables WR.
# For developer convenience, building with --enable-webrender=true or just
# --enable-webrender will set gfx.webrender.enabled to true by default.
#
# We also have a pref gfx.webrender.all.qualified which is not exposed via
# about:config. That pref enables WR but only on qualified hardware. This is
# the pref we'll eventually flip to deploy WebRender to the target population.
- name: gfx.webrender.all
  type: bool
  value: false
  mirror: once

- name: gfx.webrender.enabled
  type: bool
  value: false
  mirror: once
  do_not_use_directly: true

#ifdef XP_WIN
- name: gfx.webrender.force-angle
  type: bool
  value: true
  mirror: once
#endif

# WebRender is not enabled when there is no GPU process on window when
# WebRender uses ANGLE. It is for avoiding that WebGL and WebRender use ANGLE
# at once. But there is a case that we want to enable WebRender for testing.
#ifdef XP_WIN
- name: gfx.webrender.enabled-no-gpu-process-with-angle-win
  type: bool
  value: true
  mirror: once
#endif

- name: gfx.webrender.blob-images
  type: RelaxedAtomicBool
  value: true
  mirror: always

- name: gfx.webrender.svg-images
  type: RelaxedAtomicBool
  value: true
  mirror: always

- name: gfx.webrender.svg-shapes
  type: RelaxedAtomicBool
  value: true
  mirror: always

- name: gfx.webrender.debug.blob.paint-flashing
  type: RelaxedAtomicBool
  value: false
  mirror: always

- name: gfx.webrender.debug.enable-capture
  type: bool
  value: false
  mirror: once

- name: gfx.webrender.debug.dl.dump-parent
  type: RelaxedAtomicBool
  value: false
  mirror: always

- name: gfx.webrender.debug.dl.dump-content
  type: RelaxedAtomicBool
  value: false
  mirror: always

- name: gfx.webrender.debug.dl.dump-content-serialized
  type: RelaxedAtomicBool
  value: false
  mirror: always

#ifdef MOZ_WIDGET_GTK
- name: gfx.webrender.reject-software-driver
  type: bool
  value: true
  mirror: once
#endif

- name: gfx.webrender.debug.highlight-painted-layers
  type: RelaxedAtomicBool
  value: false
  mirror: always

- name: gfx.webrender.late-scenebuild-threshold
  type: RelaxedAtomicInt32
  value: 4
  mirror: always

- name: gfx.webrender.max-filter-ops-per-chain
  type: RelaxedAtomicUint32
  value: 64
  mirror: always

- name: gfx.webrender.batching.lookback
  type: uint32_t
  value: 10
  mirror: always

- name: gfx.webrender.blob-tile-size
  type: uint32_t
  value: 256
  mirror: always

- name: gfx.webrender.batched-upload-threshold
  type: int32_t
#if defined(MOZ_WIDGET_ANDROID)
  value: 262144
#else
  value: 65536
#endif
  mirror: always

- name: gfx.webrender.compositor
  type: bool
#if defined(XP_WIN) || defined(XP_MACOSX)
  value: true
#else
  value: false
#endif
  mirror: once

- name: gfx.webrender.scissored-cache-clears.enabled
  type: bool
  value: true
  mirror: once

- name: gfx.webrender.scissored-cache-clears.force-enabled
  type: bool
  value: false
  mirror: once

- name: gfx.webrender.compositor.force-enabled
  type: bool
  value: false
  mirror: once

- name: gfx.webrender.compositor.max_update_rects
  type: uint32_t
  value: 1
  mirror: once

- name: gfx.webrender.compositor.surface-pool-size
  type: uint32_t
  value: 25
  mirror: once

# Number of damage rects we can give to the compositor for a new frame with
# partial present. This controls whether partial present is used or not.
- name: gfx.webrender.max-partial-present-rects
  type: uint32_t
#if defined(XP_WIN) || defined(MOZ_WIDGET_ANDROID) || defined(MOZ_WIDGET_GTK)
  value: 1
#else
  value: 0
#endif
  mirror: once

# Whether or not we can reuse the buffer contents using the GL buffer age
# extension, if supported by the platform. This requires partial present
# to be used.
- name: gfx.webrender.allow-partial-present-buffer-age
  type: bool
  value: true
  mirror: once

# Whether or not we should force partial present on.
- name: gfx.webrender.force-partial-present
  type: bool
  value: false
  mirror: once

- name: gfx.webrender.enable-gpu-markers
  type: bool
#ifdef DEBUG
  value: true
#else
  value: false
#endif
  mirror: once

- name: gfx.webrender.enable-item-cache
  type: bool
  value: true
  mirror: once

# Whether or not to fallback from WebRender to Software WebRender.
- name: gfx.webrender.fallback.software
  type: bool
  value: true
  mirror: once

#ifdef XP_WIN
  # Whether or not to fallback from WebRender to Software WebRender + D3D11.
-   name: gfx.webrender.fallback.software-d3d11
    type: bool
    value: true
    mirror: once
  # Whether to use a video overlay layers with DirectComposition
-   name: gfx.webrender.dcomp-video-overlay-win
    type: bool
    value: true
    mirror: once
  # Enable video overlay even when it is blocked.
-   name: gfx.webrender.dcomp-video-overlay-win-force-enabled
    type: bool
    value: false
    mirror: once
  # Whether to use a yuv video overlay layers with DirectComposition
-   name: gfx.webrender.dcomp-video-yuv-overlay-win
    type: bool
    value: false
    mirror: once
-   name: gfx.webrender.dcomp-video-vp-scaling-win
    type: bool
    value: true
    mirror: once
  # Whether to use virtual surfaces, as opposed to each tile owning a surface.
-   name: gfx.webrender.dcomp-use-virtual-surfaces
    type: bool
    value: true
    mirror: once
  # Whether to use a video overlay layers for sw decoded video with DirectComposition
-   name: gfx.webrender.dcomp-video-sw-overlay-win
    type: bool
    value: true
    mirror: once
-   name: gfx.webrender.dcomp-video-check-slow-present
    type: RelaxedAtomicBool
    value: true
    mirror: always
-   name: gfx.video.convert-i420-to-nv12.force-enabled
    type: bool
    value: false
    mirror: once
#endif

# Whether or not fallback to Software WebRender requires the GPU process.
- name: gfx.webrender.fallback.software.requires-gpu-process
  type: bool
  value: false
  mirror: once

- name: gfx.webrender.program-binary-disk
  type: bool
#if defined(XP_WIN) || defined(ANDROID)
  value: true
#else
  value: false
#endif
  mirror: once

- name: gfx.webrender.use-optimized-shaders
  type: bool
  value: true
  mirror: once

- name: gfx.webrender.precache-shaders
  type: bool
  value: false
  mirror: once

# When gl debug message is a high severity message, forwward it to gfx critical
# note.
- name: gfx.webrender.gl-debug-message-critical-note
  type: bool
#if defined(XP_WIN) && defined(NIGHTLY_BUILD)
  value: true
#else
  value: false
#endif
  mirror: once

# Enable printing gl debug messages
- name: gfx.webrender.gl-debug-message-print
  type: bool
  value: false
  mirror: once

#ifdef NIGHTLY_BUILD
  # Keep this pref hidden on non-nightly builds to avoid people accidentally
  # turning it on.
- name: gfx.webrender.panic-on-gl-error
  type: bool
  value: false
  mirror: once
#endif

#ifdef XP_WIN
  # Enables display of performance debugging counters when DirectComposition
  # is used.
  # Performance counters are displayed on the top-right corner of the screen.
-   name: gfx.webrender.debug.dcomp-counter
    type: RelaxedAtomicBool
    value: false
    mirror: always
  # Enables highlighting redraw regions of DCompositionVisual
-   name: gfx.webrender.debug.dcomp-redraw-regions
    type: RelaxedAtomicBool
    value: false
    mirror: always
#endif

#ifdef XP_MACOSX
  # Files show up in $HOME/Desktop/nativelayerdumps-PID/frame-123.html
-   name: gfx.webrender.debug.dump-native-layer-tree-to-file
    type: RelaxedAtomicBool
    value: false
    mirror: always
#endif

- name: gfx.webrender.enable-low-priority-pool
  type: RelaxedAtomicBool
#if defined(ANDROID)
  value: false
#else
  value: true
#endif
  mirror: always

  # Force subpixel anti-aliasing as much as possible, despite performance cost.
- name: gfx.webrender.quality.force-subpixel-aa-where-possible
  type: bool
  value: false
  mirror: always

#ifdef XP_MACOSX
- name: gfx.webrender.enable-client-storage
  type: bool
  value: true
  mirror: once
#endif

 # Width of WebRender tile size
- name: gfx.webrender.picture-tile-width
  type: RelaxedAtomicInt32
  value: 1024
  mirror: always

 # Width of WebRender tile size
- name: gfx.webrender.picture-tile-height
  type: RelaxedAtomicInt32
  value: 512
  mirror: always

# WebRender upper bound for shared surface size
# According to apitrace, textures larger than 2048 break fast clear
# optimizations on some intel drivers. We sometimes need to go larger, but
# we try to avoid it.
- name: gfx.webrender.max-shared-surface-size
  type: int32_t
  value: 2048
  mirror: once

# Whether to use EGL robustness or not.
- name: gfx.webrender.prefer-robustness
  type: bool
#if defined(XP_WIN) || defined(MOZ_WIDGET_GTK)
  value: true
#else
  value: false
#endif
  mirror: once

# Whether to use the WebRender software backend
- name: gfx.webrender.software
  type: bool
  value: false
  mirror: once

# Whether to use the D3D11 RenderCompositor when using WebRender software backend
- name: gfx.webrender.software.d3d11
  type: bool
  value: true
  mirror: once

- name: gfx.webrender.software.opengl
  type: bool
#if defined(MOZ_WIDGET_ANDROID)
  value: true
#else
  value: false
#endif
  mirror: once

- name: gfx.webrender.software.d3d11.upload-mode
  type: RelaxedAtomicInt32
  value: 4
  mirror: always

# Whether to force widgets to don't support acceleration to use WebRender
# despite that
- name: gfx.webrender.unaccelerated-widget.force
  type: RelaxedAtomicBool
  value: false
  mirror: always

# Enable a lower quality, but higher performance pinch-zoom mode. Primarily
# for devices with weak GPUs, or when running SWGL.
- name: gfx.webrender.low-quality-pinch-zoom
  type: bool
#if defined(MOZ_WIDGET_ANDROID) && defined(NIGHTLY_BUILD)
  value: true
#else
  value: false
#endif
  mirror: once

# Disable wait of GPU execution completion
- name: gfx.webrender.wait-gpu-finished.disabled
  type: bool
#if defined(XP_WIN)
  value: true
#else
  value: false
#endif
  mirror: once

# Enable NVIDIA RTX Video Super Resolution for video overlay on Windows
# Note: This is also a setting in NVIDIA's driver settings, so once this is
# stable, it should default to true
- name: gfx.webrender.super-resolution.nvidia
  type: bool
  value: false
  mirror: once

# Use vsync events generated by hardware
- name: gfx.work-around-driver-bugs
  type: bool
  value: true
  mirror: once

- name: gfx.ycbcr.accurate-conversion
  type: RelaxedAtomicBool
  value: false
  mirror: always

#---------------------------------------------------------------------------
# Prefs starting with "gl." (OpenGL)
#---------------------------------------------------------------------------

- name: gl.allow-high-power
  type: RelaxedAtomicBool
  value: true
  mirror: always

- name: gl.ignore-dx-interop2-blacklist
  type: RelaxedAtomicBool
  value: false
  mirror: always

- name: gl.use-tls-is-current
  type: RelaxedAtomicInt32
  value: 0
  mirror: always

#---------------------------------------------------------------------------
# Prefs starting with "html5."
#---------------------------------------------------------------------------

# Turn HTML:inert on or off.
- name: html5.inert.enabled
  type: bool
  value: true
  mirror: always

# Time in milliseconds between the time a network buffer is seen and the timer
# firing when the timer hasn't fired previously in this parse in the
# off-the-main-thread HTML5 parser.
- name: html5.flushtimer.initialdelay
  type: RelaxedAtomicInt32
  value: 16
  mirror: always

# Time in milliseconds between the time a network buffer is seen and the timer
# firing when the timer has already fired previously in this parse.
- name: html5.flushtimer.subsequentdelay
  type: RelaxedAtomicInt32
  value: 16
  mirror: always

#---------------------------------------------------------------------------
# Prefs starting with "idle_period."
#---------------------------------------------------------------------------

- name: idle_period.min
  type: uint32_t
  value: 3
  mirror: always

- name: idle_period.during_page_load.min
  type: uint32_t
  value: 12
  mirror: always

- name: idle_period.cross_process_scheduling
  type: RelaxedAtomicBool
  value: true
  mirror: always

#---------------------------------------------------------------------------
# Prefs starting with "image."
#---------------------------------------------------------------------------

# The maximum size (in kB) that the aggregate frames of an animation can use
# before it starts to discard already displayed frames and redecode them as
# necessary.
- name: image.animated.decode-on-demand.threshold-kb
  type: RelaxedAtomicUint32
  value: 20*1024
  mirror: always

# The minimum number of frames we want to have buffered ahead of an
# animation's currently displayed frame.
- name: image.animated.decode-on-demand.batch-size
  type: RelaxedAtomicUint32
  value: 6
  mirror: always

# Whether we should recycle already displayed frames instead of discarding
# them. This saves on the allocation itself, and may be able to reuse the
# contents as well. Only applies if generating full frames.
- name: image.animated.decode-on-demand.recycle
  type: bool
  value: true
  mirror: once

# Resume an animated image from the last displayed frame rather than
# advancing when out of view.
- name: image.animated.resume-from-last-displayed
  type: RelaxedAtomicBool
  value: true
  mirror: always

# Maximum number of surfaces for an image before entering "factor of 2" mode.
# This in addition to the number of "native" sizes of an image. A native size
# is a size for which we can decode a frame without up or downscaling. Most
# images only have 1, but some (i.e. ICOs) may have multiple frames for the
# same data at different sizes.
- name: image.cache.factor2.threshold-surfaces
  type: RelaxedAtomicInt32
  value: 4
  mirror: always

# Maximum size of a surface in KB we are willing to produce when rasterizing
# an SVG.
- name: image.cache.max-rasterized-svg-threshold-kb
  type: RelaxedAtomicInt32
  value: 200*1024
  mirror: always

# The maximum size, in bytes, of the decoded images we cache.
- name: image.cache.size
  type: int32_t
  value: 5*1024*1024
  mirror: once

# A weight, from 0-1000, to place on time when comparing to size.
# Size is given a weight of 1000 - timeweight.
- name: image.cache.timeweight
  type: int32_t
  value: 500
  mirror: once

# Decode all images automatically on load, ignoring our normal heuristics.
- name: image.decode-immediately.enabled
  type: RelaxedAtomicBool
  value: false
  mirror: always

# Decode all images synchronously
- name: image.decode-sync.enabled
  type: bool
  value: false
  mirror: always

# Whether we attempt to downscale images during decoding.
- name: image.downscale-during-decode.enabled
  type: RelaxedAtomicBool
  value: true
  mirror: always

# Whether we use EXIF metadata for image density.
- name: image.exif-density-correction.enabled
  type: RelaxedAtomicBool
  value: true
  mirror: always

# Whether EXIF density metadata is sanity checked against PixelXDimension and PixelYDimension
- name: image.exif-density-correction.sanity-check.enabled
  type: RelaxedAtomicBool
  value: true
  mirror: always

# The threshold for inferring that changes to an <img> element's |src|
# attribute by JavaScript represent an animation, in milliseconds. If the |src|
# attribute is changing more frequently than this value, then we enter a
# special "animation mode" which is designed to eliminate flicker. Set to 0 to
# disable.
- name: image.infer-src-animation.threshold-ms
  type: RelaxedAtomicUint32
  value: 2000
  mirror: always

# Whether the network request priority should be adjusted according
# the layout and view frame position of each particular image.
- name: image.layout_network_priority
  type: RelaxedAtomicBool
  value: true
  mirror: always

# Chunk size for calls to the image decoders.
- name: image.mem.decode_bytes_at_a_time
  type: uint32_t
  value: 16384
  mirror: once

# Discards inactive image frames and re-decodes them on demand from
# compressed data.
- name: image.mem.discardable
  type: RelaxedAtomicBool
  value: true
  mirror: always

# Discards inactive image frames of _animated_ images and re-decodes them on
# demand from compressed data. Has no effect if image.mem.discardable is false.
- name: image.mem.animated.discardable
  type: bool
  value: true
  mirror: once

# Whether the heap should be used for frames from animated images. On Android,
# volatile memory keeps file handles open for each buffer.
- name: image.mem.animated.use_heap
  type: RelaxedAtomicBool
  value: @IS_ANDROID@
  mirror: always

# Enable extra information for debugging in the image memory reports.
- name: image.mem.debug-reporting
  type: RelaxedAtomicBool
  value: false
  mirror: always

# Decodes images into shared memory to allow direct use in separate
# rendering processes. Only applicable with WebRender.
- name: image.mem.shared
  type: RelaxedAtomicBool
  value: true
  mirror: always

# Force unmapping of unused shared surfaces after a timeout period or when we
# encounter virtual memory pressure. By default this is only enabled on 32-bit
# Firefox.
- name: image.mem.shared.unmap.force-enabled
  type: bool
  value: false
  mirror: once

# Minimum timeout to unmap shared surfaces since they have been last used,
# in milliseconds.
- name: image.mem.shared.unmap.min_expiration_ms
  type: uint32_t
  value: 60*1000
  mirror: once

# Mininum size for shared surfaces to consider unmapping, in kilobytes.
- name: image.mem.shared.unmap.min_threshold_kb
  type: uint32_t
  value: 100
  mirror: once

# How much of the data in the surface cache is discarded when we get a memory
# pressure notification, as a fraction. The discard factor is interpreted as a
# reciprocal, so a discard factor of 1 means to discard everything in the
# surface cache on memory pressure, a discard factor of 2 means to discard half
# of the data, and so forth. The default should be a good balance for desktop
# and laptop systems, where we never discard visible images.
- name: image.mem.surfacecache.discard_factor
  type: uint32_t
  value: 1
  mirror: once

# Maximum size for the surface cache, in kilobytes.
- name: image.mem.surfacecache.max_size_kb
  type: uint32_t
  value: 2024 * 1024
  mirror: once

# Minimum timeout for expiring unused images from the surface cache, in
# milliseconds. This controls how long we store cached temporary surfaces.
- name: image.mem.surfacecache.min_expiration_ms
  type: uint32_t
  value: 60*1000
  mirror: once

# The surface cache's size, within the constraints of the maximum size set
# above, is determined as a fraction of main memory size. The size factor is
# interpreted as a reciprocal, so a size factor of 4 means to use no more than
# 1/4 of main memory.  The default should be a good balance for most systems.
- name: image.mem.surfacecache.size_factor
  type: uint32_t
  value: 4
  mirror: once

# Minimum buffer size in KB before using volatile memory over the heap.
- name: image.mem.volatile.min_threshold_kb
  type: RelaxedAtomicInt32
#if defined(ANDROID)
  # On Android, volatile memory keeps file handles open for each buffer.
  value: 100
#else
  value: -1
#endif
  mirror: always

# How long in ms before we should start shutting down idle decoder threads.
- name: image.multithreaded_decoding.idle_timeout
  type: int32_t
  value: 600000
  mirror: once

# How many threads we'll use for multithreaded decoding. If < 0, will be
# automatically determined based on the system's number of cores.
- name: image.multithreaded_decoding.limit
  type: int32_t
  value: -1
  mirror: once

# Whether we record SVG images as blobs or not.
- name: image.svg.blob-image
  type: RelaxedAtomicBool
  value: false
  mirror: always

# Whether we attempt to decode WebP images or not.
- name: image.webp.enabled
  type: RelaxedAtomicBool
  value: true
  mirror: always

# Whether we attempt to decode AVIF images or not.
- name: image.avif.enabled
  type: RelaxedAtomicBool
#if defined(MOZ_AV1)
  value: true
#else
  value: false
#endif
  mirror: always

# How strict we are in accepting/rejecting AVIF inputs according to whether they
# conform to the specification
# 0 = Permissive: accept whatever we can simply, unambiguously interpret
# 1 = Normal: reject violations of "shall" specification directives
# 2 = Strict: reject violations of "should" specification directives
- name: image.avif.compliance_strictness
  type: RelaxedAtomicInt32
  value: 1
  mirror: always

# Whether we apply container-level transforms like mirroring and rotation
- name: image.avif.apply_transforms
  type: RelaxedAtomicBool
  value: true
  mirror: always

# Whether we use dav1d (true) or libaom (false) to decode AVIF image
- name: image.avif.use-dav1d
  type: RelaxedAtomicBool
  value: true
  mirror: always

# Whether to allow decoding of animated AVIF sequences.
- name: image.avif.sequence.enabled
  type: RelaxedAtomicBool
  value: true
  mirror: always

# Whether AVIF files containing sequences should be animated even when the
# major brand is set to 'avif'.
- name: image.avif.sequence.animate_avif_major_branded_images
  type: RelaxedAtomicBool
  value: false
  mirror: always

# Whether we attempt to decode JXL images or not.
- name: image.jxl.enabled
  type: RelaxedAtomicBool
  value: false
  mirror: always

#---------------------------------------------------------------------------
# Prefs starting with "intl."
#---------------------------------------------------------------------------

#ifdef XP_WIN
  # Whether making Gecko TSF-aware or only working with IMM.  TSF is a modern
  # IME API set of Windows which replaces IMM APIs.  Unless you can avoid the
  # problem which you see with enabling TSF, you shouldn't change this pref
  # to false since IMM handler is now not maintained nor tested with latest
  # Windows.  If you need to change this pref to false, please file a bug to
  # <https://bugzilla.mozilla.org>.
  # Restart required to apply this pref change.
-   name: intl.tsf.enabled
    type: bool
    value: true
    mirror: once

  # Whether Gecko creates or does not create native caret for legacy ATOK
  # (2011 - 2015).
-   name: intl.tsf.hack.atok.create_native_caret
    type: bool
    value: true
    mirror: always

  # Whether Gecko returns available composition string rect or TS_E_NOLAYOUT
  # from ITextStoreACP::GetTextExt() when the specified range is same as the
  # range of composition string but some character rects in it are still
  # dirty if and only if ATOK is active TIP.
  # Note that this is ignored if active ATOK is or older than 2016 and
  # create_native_caret is true.
-   name: intl.tsf.hack.atok.do_not_return_no_layout_error_of_composition_string
    type: bool
    value: true
    mirror: always

  # Whether Gecko sets input scope of ATOK to "search" or never does it.
  # When "search" is set to the input scope, ATOK may stop their suggestions.
  # To avoid it, turn this pref on, or changing the settings in ATOK.
  # Note that if you enable this pref and you use the touch keyboard for touch
  # screens, you cannot access some specific features for a "search" input
  # field.
-   name: intl.tsf.hack.atok.search_input_scope_disabled
    type: bool
    value: false
    mirror: always

  # Whether Gecko returns caret rect before composition string or TS_E_NOLAYOUT
  # from ITextStoreACP::GetTextExt() when the specified range is larger than
  # composition start offset if and only if Free ChangJie is active TIP.
-   name: intl.tsf.hack.free_chang_jie.do_not_return_no_layout_error
    type: bool
    value: true
    mirror: always

  # Whether Gecko returns available composition string rect or TS_E_NOLAYOUT
  # from ITextStoreACP::GetTextExt() when the specified range is same as the
  # range of composition string but some character rects in it are still
  # dirty if and only if Japanist 10 is active TIP.
-   name: intl.tsf.hack.japanist10.do_not_return_no_layout_error_of_composition_string
    type: bool
    value: true
    mirror: always

  # Whether Gecko returns previous character rect or TS_E_NOLAYOUT from
  # ITfContextView::GetTextExt() when the specified range is the first
  # character of selected clause of composition string if and only if Japanese TIP
  # of Microsoft is active.
-   name: intl.tsf.hack.ms_japanese_ime.do_not_return_no_layout_error_at_first_char
    type: bool
    value: true
    mirror: always

  # Whether Gecko returns previous character rect or TS_E_NOLAYOUT from
  # ITfContextView::GetTextExt() when the specified range is the caret of
  # composition string if and only if Japanese TIP of Microsoft is active.
-   name: intl.tsf.hack.ms_japanese_ime.do_not_return_no_layout_error_at_caret
    type: bool
    value: true
    mirror: always

  # Whether Gecko returns caret rect before composition string or TS_E_NOLAYOUT
  # from ITfContextView::GetTextExt() when the specified range is larger than
  # composition start offset if and only Simplified Chinese TIP of Microsoft
  # is active.
-   name: intl.tsf.hack.ms_simplified_chinese.do_not_return_no_layout_error
    type: bool
    value: true
    mirror: always

  # Whether Geckos hacks ITextStoreACP::QueryInsert() or not.  The method should
  # return new selection after specified length text is inserted at specified
  # range.  However, Microsoft Pinyin and Microsoft Wubi expect that the result
  # is same as specified range.  If following prefs are true,
  # ITextStoreACP::QueryInsert() returns specified range only when one of the
  # TIPs is active.
-   name: intl.tsf.hack.ms_simplified_chinese.query_insert_result
    type: bool
    value: true
    mirror: always

  # Whether Gecko returns caret rect before composition string or TS_E_NOLAYOUT
  # from ITfContextView::GetTextExt() when the specified range is larger than
  # composition start offset if and only Traditional Chinese TIP of Microsoft
  # is active.
-   name: intl.tsf.hack.ms_traditional_chinese.do_not_return_no_layout_error
    type: bool
    value: true
    mirror: always

  # Whether Geckos hacks ITextStoreACP::QueryInsert() or not.  The method should
  # return new selection after specified length text is inserted at specified
  # range.  However, Microsoft ChangJie and Microsoft Quick expect that the
  # result is same as specified range.  If following prefs are true,
  # ITextStoreACP::QueryInsert() returns specified range only when one of the
  # TIPs is active.
-   name: intl.tsf.hack.ms_traditional_chinese.query_insert_result
    type: bool
    value: true
    mirror: always

  # Whether Gecko sets input scope of the URL bar to IS_DEFAULT when black
  # listed IMEs are active or does not.  If you use tablet mode mainly and you
  # want to use touch keyboard for URL when you set focus to the URL bar, you
  # can set this to false.  Then, you'll see, e.g., ".com" key on the keyboard.
  # However, if you set this to false, such IMEs set its open state to "closed"
  # when you set focus to the URL bar.  I.e., input mode is automatically
  # changed to English input mode.
  # Known buggy IME list:
  #   - Microsoft IME for Japanese
  #   - Google Japanese Input
  #   - Microsoft Bopomofo
  #   - Microsoft ChangJie
  #   - Microsoft Phonetic
  #   - Microsoft Quick
  #   - Microsoft New ChangJie
  #   - Microsoft New Phonetic
  #   - Microsoft New Quick
  #   - Microsoft Pinyin
  #   - Microsoft Pinyin New Experience Input Style
  #   - Microsoft Wubi
  #   - Microsoft IME for Korean (except on Win7)
  #   - Microsoft Old Hangul
-   name: intl.ime.hack.set_input_scope_of_url_bar_to_default
    type: bool
    value: true
    mirror: always

  # On Windows 10 Build 17643 (an Insider Preview build of RS5), Microsoft
  # have fixed the caller of ITextACPStore::GetTextExt() to return
  # TS_E_NOLAYOUT to TIP as-is, rather than converting to E_FAIL.
  # Therefore, if TIP supports asynchronous layout computation perfectly, we
  # can return TS_E_NOLAYOUT and TIP waits next OnLayoutChange()
  # notification.  However, some TIPs still have some bugs of asynchronous
  # layout support.  We keep hacking the result of GetTextExt() like running
  # on Windows 10, however, there could be unknown TIP bugs if we stop
  # hacking the result.  So, user can stop checking build ID to make Gecko
  # hack the result forcibly.
-   name: intl.tsf.hack.allow_to_stop_hacking_on_build_17643_or_later
    type: bool
    value: @IS_EARLY_BETA_OR_EARLIER@
    mirror: always

  # If true, automatically extend selection to cluster boundaries when
  # TSF/TIP requests to select from/by middle of a cluster.
-   name: intl.tsf.hack.extend_setting_selection_range_to_cluster_boundaries
    type: bool
    value: @IS_NOT_EARLY_BETA_OR_EARLIER@
    mirror: always

  # Whether Gecko supports IMM even if TSF is enabled.  This pref exists
  # only for check TSF behavior of new versions.  Therefore, users should
  # not set this to false for daily use.
-   name: intl.tsf.support_imm
    type: bool
    value: true
    mirror: once

  # If true, TSF and TIP (IME) can retrieve URL of the document containing
  # the focused element.  When this is set to true, Gecko exposes the spec
  # of the URL.
  # And Gecko exposes only "http" and "https" URLs.  E.g., "data", "blob",
  # "file" URLs are never exposed.
-  name: intl.tsf.expose_url.allowed
   type: bool
   value: true
   mirror: always

  # If true, TSF and TIP (IME) can retrieve URL of the document containing
  # the focused element in the private browsing mode too.
-  name: intl.tsf.expose_url_in_private_browsing.allowed
   type: bool
   value: false
   mirror: always

#if defined(ENABLE_TESTS)
  # If true, NS_GetComplexLineBreaks compares the line breaks produced in the
  # content process using the Uniscribe line breaker, with those from a
  # brokered call to the parent.
-   name: intl.compare_against_brokered_complex_line_breaks
    type: bool
    value: false
    mirror: always
#endif
#endif

# If you use legacy Chinese IME which puts an ideographic space to composition
# string as placeholder, this pref might be useful.  If this is true and when
# web contents forcibly commits composition (e.g., moving focus), the
# ideographic space will be ignored (i.e., commits with empty string).
- name: intl.ime.remove_placeholder_character_at_commit
  type: bool
  value: false
  mirror: always


#if defined(XP_MACOSX) || defined(MOZ_WIDGET_GTK)
# Whether text input without keyboard press nor IME composition should cause a
# set of composition events or not.  E.g., when you use Emoji picker on macOS,
# it inserts an Emoji character directly.  If set to true, `compositionstart`,
# `compositionupdate` and `compositionend` events will be fired, and the
# correspnding `beforeinput` events are not cancelable.  Otherwise, if set to
# false, any user input events are not exposed to web apps but only
# `beforeinput` event is fired as "insert text" as a cancelable event.
- name: intl.ime.use_composition_events_for_insert_text
  type: bool
  value: false
  mirror: always
#endif

#---------------------------------------------------------------------------
# Prefs starting with "javascript."
#
# NOTE: SpiderMonkey starts up before `mirror: once` preferences are sealed and
#       we cannot use them (Bug 1698311). Instead, we use `mirror: always`
#       prefs but mark as `do_not_use_directly` and `LoadStartupJSPrefs` will
#       mirror them into SpiderMonkey.
#---------------------------------------------------------------------------

# The JavaScript JIT compilers. These are read once on startup so a browser may
# need to be restarted if toggling them. In general each subsequent JIT depends
# on the ones before it being enabled.
- name: javascript.options.blinterp
  type: bool
  value: true
  mirror: always  # LoadStartupJSPrefs
  do_not_use_directly: true

- name: javascript.options.baselinejit
  type: bool
  value: true
  mirror: always  # LoadStartupJSPrefs
  do_not_use_directly: true

- name: javascript.options.ion
  type: bool
  value: true
  mirror: always  # LoadStartupJSPrefs
  do_not_use_directly: true

# The irregexp JIT for regex evaluation.
- name: javascript.options.native_regexp
  type: bool
  value: true
  mirror: always  # LoadStartupJSPrefs
  do_not_use_directly: true

# Jit Hints Cache - An in-process cache for the
# content process to accelerate repeated baseline
# compilations
- name: javascript.options.jithints
  type: bool
  value: true
  mirror: always  # LoadStartupJSPrefs
  do_not_use_directly: true

# "Warm-up" thresholds at which we attempt to compile a script/function with
# the next JIT tier.
#
# NOTE: These must match JitOptions defaults.
- name: javascript.options.blinterp.threshold
  type: int32_t
  value: 10
  mirror: always  # LoadStartupJSPrefs
  do_not_use_directly: true

- name: javascript.options.baselinejit.threshold
  type: int32_t
  value: 100
  mirror: always  # LoadStartupJSPrefs
  do_not_use_directly: true

- name: javascript.options.ion.threshold
  type: int32_t
  value: 1500
  mirror: always  # LoadStartupJSPrefs
  do_not_use_directly: true

# Enable off-main-thread Warp compilation.
- name: javascript.options.ion.offthread_compilation
  type: bool
  value: true
  mirror: always  # LoadStartupJSPrefs
  do_not_use_directly: true

#ifdef DEBUG
  # Enable extra correctness checks in the JITs that are slow and only available
  # in debug builds.
-   name: javascript.options.jit.full_debug_checks
    type: bool
    value: false
    mirror: always  # LoadStartupJSPrefs
    do_not_use_directly: true
#endif

# Heuristic threshold for Warp/Ion to decide that too many bailouts are
# happening and an IonScript should be discarded.
#
# NOTE: This must match JitOptions defaults.
- name: javascript.options.ion.frequent_bailout_threshold
  type: int32_t
  value: 10
  mirror: always  # LoadStartupJSPrefs
  do_not_use_directly: true

# A threshold for Warp to decide whether a function can be inlined.
# If the size of a function is smaller than this threshold, then it
# may be inlined.
#
# NOTE: These must match JitOptions defaults.
- name: javascript.options.inlining_bytecode_max_length
  type: uint32_t
  value: 130
  mirror: always
  do_not_use_directly: true

# Whether the megamorphic property lookup cache is enabled.
#
# NOTE: This must match JitOptions defaults.
- name: javascript.options.watchtower.megamorphic
  type: bool
  value: true
  mirror: always  # LoadStartupJSPrefs
  do_not_use_directly: true

- name: javascript.options.compact_on_user_inactive
  type: bool
  value: true
  mirror: always

# The default amount of time to wait from the user being idle to starting a
# shrinking GC. Measured in milliseconds.
- name: javascript.options.compact_on_user_inactive_delay
  type: uint32_t
#ifdef NIGHTLY_BUILD
  value: 15000
#else
  value: 300000
#endif
  mirror: always

# Use better error message when accessing property of null or undefined.
- name: javascript.options.property_error_message_fix
  type: bool
  value: @IS_NIGHTLY_OR_DEV_EDITION@
  mirror: always

# Support for weak references in JavaScript (WeakRef and FinalizationRegistry).
- name: javascript.options.weakrefs
  type: bool
  value: true
  mirror: always

# Whether to expose the FinalizationRegistry.prototype.cleanupSome method.
- name: javascript.options.experimental.weakrefs.expose_cleanupSome
  type: bool
  value: false
  mirror: always

# ShadowRealms: https://github.com/tc39/proposal-shadowrealm
- name: javascript.options.experimental.shadow_realms
  # Atomic, as we assert the preference, and that assertion may happen
  # in a worker.
  type: RelaxedAtomicBool
  value: false
  mirror: always

#ifdef NIGHTLY_BUILD
  # Experimental support for Iterator Helpers in JavaScript.
-   name: javascript.options.experimental.iterator_helpers
    type: bool
    value: false
    mirror: always

  # Experimental support for Array Grouping in JavaScript.
-   name: javascript.options.experimental.array_grouping
    type: bool
    value: false
    mirror: always

  # Experimental support for String.prototype.{is,to}WellFormed in JavaScript.
-   name: javascript.options.experimental.well_formed_unicode_strings
    type: bool
    value: false
    mirror: always
#endif  // NIGHTLY_BUILD

#ifdef NIGHTLY_BUILD
  # Experimental support for Import Assertions in JavaScript.
-   name: javascript.options.experimental.import_assertions
    type: bool
    value: false
    mirror: always
#endif  // NIGHTLY_BUILD

  # Experimental support for change-array-by-copy methods
- name: javascript.options.experimental.enable_change_array_by_copy
  type: bool
  value: true
  mirror: always

# Support Array.fromAsync
- name: javascript.options.experimental.enable_array_from_async
  type: bool
  value: true
  mirror: always

#if defined(ENABLE_NEW_SET_METHODS)
  # Experimental support for New Set methods
- name: javascript.options.experimental.enable_new_set_methods
  type: bool
  value: false
  mirror: always
#endif

- name: javascript.options.wasm_caching
  type: bool
  value: true
  mirror: always

# The amount of time we wait between a request to GC (due to leaving a page) and doing the actual GC, in ms.
- name: javascript.options.gc_delay
  type: uint32_t
  value: 4000
  mirror: always

# The amount of time we wait from the first request to GC to actually doing the first GC, in ms.
- name: javascript.options.gc_delay.first
  type: uint32_t
  value: 10000
  mirror: always

# After doing a zonal GC, wait this much time (in ms) and then do a full GC,
# unless one is already pending.
- name: javascript.options.gc_delay.full
  type: uint32_t
  value: 60000
  mirror: always

# Maximum amount of time that should elapse between incremental GC slices, in ms.
- name: javascript.options.gc_delay.interslice
  type: uint32_t
  value: 100
  mirror: always

# nsJSEnvironmentObserver observes the memory-pressure notifications and
# forces a garbage collection and cycle collection when it happens, if the
# appropriate pref is set.
- name: javascript.options.gc_on_memory_pressure
  type: bool
  # Disable the JS engine's GC on memory pressure, since we do one in the
  # mobile browser (bug 669346).
  # XXX: this value possibly should be changed, or the pref removed entirely.
  #      See bug 1450787.
  value: @IS_NOT_ANDROID@
  mirror: always

# We allow at most MIN(max, MAX(NUM_CPUS / cpu_divisor, 1)) concurrent GCs
# between processes
- name: javascript.options.concurrent_multiprocess_gcs.cpu_divisor
  type: RelaxedAtomicUint32
  value: 4
  mirror: always

# See 'cpu_divisor' above, 0 means UINT_32_MAX.
- name: javascript.options.concurrent_multiprocess_gcs.max
  type: RelaxedAtomicUint32
  value: 0
  mirror: always

- name: javascript.options.mem.log
  type: bool
  value: false
  mirror: always

- name: javascript.options.mem.notify
  type: bool
  value: false
  mirror: always

# Whether the Parent process allocates and shares memory with all content
# processes. This is mirrored once, as the parent process will do this
# allocation early on.
- name: javascript.options.self_hosted.use_shared_memory
  type: bool
  value: true
  mirror: always  # LoadStartupJSPrefs
  do_not_use_directly: true

- name: javascript.options.main_thread_stack_quota_cap
  type: uint32_t
#if defined(MOZ_ASAN)
  value: 6 * 1024 * 1024
#else
  value: 2 * 1024 * 1024
#endif
  mirror: always

- name: javascript.options.wasm_optimizingjit
  type: bool
  value: true
  mirror: always

#if defined(ENABLE_WASM_RELAXED_SIMD)
-   name: javascript.options.wasm_relaxed_simd
    type: bool
    value: @IS_NIGHTLY_BUILD@
    mirror: always
#endif  // defined(ENABLE_WASM_RELAXED_SIMD)

#if defined(ENABLE_WASM_MOZ_INTGEMM)
-   name: javascript.options.wasm_moz_intgemm
    type: bool
    value: @IS_NIGHTLY_BUILD@
    mirror: always
#endif  // defined(ENABLE_WASM_MOZ_INTGEMM)

#if defined(ENABLE_WASM_EXTENDED_CONST)
-   name: javascript.options.wasm_extended_const
    type: bool
    value: true
    mirror: always
#endif  // defined(ENABLE_WASM_EXTENDED_CONST)

-   name: javascript.options.wasm_exceptions
    type: bool
    value: true
    mirror: always

#if defined(ENABLE_WASM_FUNCTION_REFERENCES)
-   name: javascript.options.wasm_function_references
    type: bool
    value: false
    mirror: always
#endif // defined(ENABLE_WASM_FUNCTION_REFERENCES)

#if defined(ENABLE_WASM_GC)
-   name: javascript.options.wasm_gc
    type: bool
    value: false
    mirror: always
#endif // defined(ENABLE_WASM_GC)

#if defined(ENABLE_WASM_MEMORY_CONTROL)
-   name: javascript.options.wasm_memory_control
    type: bool
    value: false
    mirror: always
#endif // defined(ENABLE_WASM_MEMORY_CONTROL)

#if defined(ENABLE_WASM_SIMD)
#if defined(JS_CODEGEN_X64) || defined(JS_CODEGEN_X86)
  # Enables AVX instructions support on X86/X64 platforms.
  # Changing these prefs requires a restart.
-   name: javascript.options.wasm_simd_avx
    type: bool
    value: true
    mirror: always
#endif
#endif

#if defined(ENABLE_WASM_MEMORY64)
-   name: javascript.options.wasm_memory64
    type: bool
    value: @IS_NIGHTLY_BUILD@
    mirror: always
#endif  // defined(ENABLE_WASM_MEMORY64)

# Support for pretenuring allocations based on their allocation site.
- name: javascript.options.site_based_pretenuring
  type: bool
  value: true
  mirror: always  # LoadStartupJSPrefs
  do_not_use_directly: true

#if !defined(JS_CODEGEN_MIPS32) && !defined(JS_CODEGEN_MIPS64) && !defined(JS_CODEGEN_LOONG64)
  # Spectre security vulnerability mitigations for the JS JITs.
  #
  # NOTE: The MIPS and LoongArch backends do not support these mitigations (and generally
  #       do not need them). In that case, leave the pref unlisted with its
  #       default value of false.
-   name: javascript.options.spectre.index_masking
    type: bool
    value: true
    mirror: always  # LoadStartupJSPrefs
    do_not_use_directly: true

-   name: javascript.options.spectre.object_mitigations
    type: bool
    value: true
    mirror: always  # LoadStartupJSPrefs
    do_not_use_directly: true

-   name: javascript.options.spectre.string_mitigations
    type: bool
    value: true
    mirror: always  # LoadStartupJSPrefs
    do_not_use_directly: true

-   name: javascript.options.spectre.value_masking
    type: bool
    value: true
    mirror: always  # LoadStartupJSPrefs
    do_not_use_directly: true

-   name: javascript.options.spectre.jit_to_cxx_calls
    type: bool
    value: true
    mirror: always  # LoadStartupJSPrefs
    do_not_use_directly: true
#endif  // !defined(JS_CODEGEN_MIPSXX) && !defined(JS_CODEGEN_LOONG64)

# Separate pref to override the values of the Spectre-related prefs above for
# isolated web content processes, where we don't need these mitigations.
- name: javascript.options.spectre.disable_for_isolated_content
  type: bool
  value: false
  mirror: always

# Whether to use the XPCOM thread pool for JS helper tasks.
- name: javascript.options.external_thread_pool
  type: bool
  value: true
  mirror: always
  do_not_use_directly: true

# Whether to use fdlibm for Math.sin, Math.cos, and Math.tan. When
# privacy.resistFingerprinting is true, this pref is ignored and fdlibm is used
# anyway.
- name: javascript.options.use_fdlibm_for_sin_cos_tan
  type: bool
  value: false
  mirror: always

#---------------------------------------------------------------------------
# Prefs starting with "layers."
#---------------------------------------------------------------------------

# Whether to disable acceleration for all widgets.
- name: layers.acceleration.disabled
  type: bool
  value: false
  mirror: once
  do_not_use_directly: true
# Instead, use gfxConfig::IsEnabled(Feature::HW_COMPOSITING).

# Whether to force acceleration on, ignoring blacklists.

# bug 838603 -- on Android, accidentally blacklisting OpenGL layers
# means a startup crash for everyone.
# Temporarily force-enable GL compositing.  This is default-disabled
# deep within the bowels of the widgetry system.  Remove me when GL
# compositing isn't default disabled in widget/android.
- name: layers.acceleration.force-enabled
  type: bool
  value: @IS_ANDROID@
  mirror: once
  do_not_use_directly: true

# Whether we allow AMD switchable graphics.
- name: layers.amd-switchable-gfx.enabled
  type: bool
  value: true
  mirror: once

# Whether to use async panning and zooming.
- name: layers.async-pan-zoom.enabled
  type: bool
  value: true
  mirror: once
  do_not_use_directly: true

- name: layers.child-process-shutdown
  type: RelaxedAtomicBool
  value: true
  mirror: always

- name: layers.d3d11.force-warp
  type: bool
  value: false
  mirror: once

- name: layers.d3d11.enable-blacklist
  type: bool
  value: true
  mirror: once

# Enable DEAA antialiasing for transformed layers in the compositor.
- name: layers.deaa.enabled
  type: RelaxedAtomicBool
#if defined(MOZ_WIDGET_ANDROID)
  value: false
#else
  value: true
#endif
  mirror: always

# Force all possible layers to be always active layers.
- name: layers.force-active
  type: bool
  value: false
  mirror: always

- name: layers.force-shmem-tiles
  type: bool
  value: false
  mirror: once

- name: layers.draw-mask-debug
  type: RelaxedAtomicBool
  value: false
  mirror: always

- name: layers.force-synchronous-resize
  type: RelaxedAtomicBool
#ifdef MOZ_WAYLAND
  # We want to control it by nsWindow::SynchronouslyRepaintOnResize() on Linux/Wayland.
  value: false
#else
  value: true
#endif
  mirror: always

- name: layers.gpu-process.allow-software
  type: bool
#if defined(XP_WIN)
  value: true
#else
  value: false
#endif
  mirror: once

- name: layers.gpu-process.enabled
  type: bool
#if defined(XP_WIN) || defined(MOZ_WIDGET_ANDROID)
  value: true
#else
  value: false
#endif
  mirror: once

- name: layers.gpu-process.force-enabled
  type: bool
  value: false
  mirror: once

- name: layers.gpu-process.ipc_reply_timeout_ms
  type: int32_t
  value: 10000
  mirror: once

# How many unstable GPU process restarts we allow for a given configuration.
- name: layers.gpu-process.max_restarts
  type: RelaxedAtomicInt32
#if defined(XP_WIN) || defined(MOZ_WIDGET_GTK) || defined(MOZ_WIDGET_ANDROID)
  #if defined(NIGHTLY_BUILD)
  value: 6
  #else
  value: 3
  #endif
#else
  value: 1
#endif
  mirror: always

# How many frames we must render before declaring the GPU process stable, and
# allow restarts without it counting against our maximum restarts.
- name: layers.gpu-process.stable.frame-threshold
  type: RelaxedAtomicUint32
  value: 10
  mirror: always

# How many milliseconds the GPU process must have lived before we accept that
# it is stable, and allow restarts without it counting against our maximum
# restarts.
- name: layers.gpu-process.stable.min-uptime-ms
  type: RelaxedAtomicInt32
  value: 4 * 60000
  mirror: always

# Note: This pref will only be used if it is less than layers.gpu-process.max_restarts.
- name: layers.gpu-process.max_restarts_with_decoder
  type: RelaxedAtomicInt32
  value: 0
  mirror: always

- name: layers.gpu-process.startup_timeout_ms
  type: int32_t
  value: 5000
  mirror: once

- name: layers.gpu-process.crash-also-crashes-browser
  type: bool
  value: false
  mirror: always

# Whether to animate simple opacity and transforms on the compositor.
- name: layers.offmainthreadcomposition.async-animations
  type: bool
  value: true
  mirror: always

# Whether to log information about off main thread animations to stderr.
- name: layers.offmainthreadcomposition.log-animations
  type: bool
  value: false
  mirror: always

- name: layers.offmainthreadcomposition.force-disabled
  type: bool
  value: false
  mirror: once

# Compositor target frame rate. NOTE: If vsync is enabled the compositor
# frame rate will still be capped.
# -1 -> default (match layout.frame_rate or 60 FPS)
# 0  -> full-tilt mode: Recomposite even if not transaction occured.
- name: layers.offmainthreadcomposition.frame-rate
  type: RelaxedAtomicInt32
  value: -1
  mirror: always

#ifdef XP_WIN
-   name: layers.prefer-opengl
    type: bool
    value: false
    mirror: once
#endif

# Copy-on-write canvas.
- name: layers.shared-buffer-provider.enabled
  type: RelaxedAtomicBool
  value: true
  mirror: always

- name: layers.recycle-allocator-rdd
  type: bool
  value: true
  mirror: once

- name: layers.iosurfaceimage.recycle-limit
  type: RelaxedAtomicUint32
  value: 15
  mirror: always

- name: layers.iosurfaceimage.use-nv12
  type: bool
  value: true
  mirror: once

#---------------------------------------------------------------------------
# Prefs starting with "layout."
#---------------------------------------------------------------------------

# Debug-only pref to force enable the AccessibleCaret. If you want to
# control AccessibleCaret by mouse, you'll need to set
# "layout.accessiblecaret.hide_carets_for_mouse_input" to false.
- name: layout.accessiblecaret.enabled
  type: bool
  value: false
  mirror: always

# Enable the accessible caret on platforms/devices
# that we detect have touch support. Note that this pref is an
# additional way to enable the accessible carets, rather than
# overriding the layout.accessiblecaret.enabled pref.
- name: layout.accessiblecaret.enabled_on_touch
  type: bool
  value: true
  mirror: always

# By default, carets become tilt only when they are overlapping.
- name: layout.accessiblecaret.always_tilt
  type: bool
  value: false
  mirror: always

# Show caret in cursor mode when long tapping on an empty content. This
# also changes the default update behavior in cursor mode, which is based
# on the emptiness of the content, into something more heuristic. See
# AccessibleCaretManager::UpdateCaretsForCursorMode() for the details.
- name: layout.accessiblecaret.caret_shown_when_long_tapping_on_empty_content
  type: bool
  value: false
  mirror: always

# 0 = by default, always hide carets for selection changes due to JS calls.
# 1 = update any visible carets for selection changes due to JS calls,
#     but don't show carets if carets are hidden.
# 2 = always show carets for selection changes due to JS calls.
- name: layout.accessiblecaret.script_change_update_mode
  type: int32_t
  value: 0
  mirror: always

# Allow one caret to be dragged across the other caret without any limitation.
# This matches the built-in convention for all desktop platforms.
- name: layout.accessiblecaret.allow_dragging_across_other_caret
  type: bool
  value: true
  mirror: always

# Optionally provide haptic feedback on long-press selection events.
- name: layout.accessiblecaret.hapticfeedback
  type: bool
  value: false
  mirror: always

# Smart phone-number selection on long-press is not enabled by default.
- name: layout.accessiblecaret.extend_selection_for_phone_number
  type: bool
  value: false
  mirror: always

# Keep the accessible carets hidden when the user is using mouse input (as
# opposed to touch/pen/etc.).
- name: layout.accessiblecaret.hide_carets_for_mouse_input
  type: bool
  value: true
  mirror: always

# CSS attributes (width, height, margin-left) of the AccessibleCaret in CSS
# pixels.
- name: layout.accessiblecaret.width
  type: float
  value: 34.0f
  mirror: always

- name: layout.accessiblecaret.height
  type: float
  value: 36.0f
  mirror: always

- name: layout.accessiblecaret.margin-left
  type: float
  value: -18.5f
  mirror: always

- name: layout.accessiblecaret.transition-duration
  type: float
  value: 250.0f
  mirror: always

# Simulate long tap events to select words. Mainly used in manual testing
# with mouse.
- name: layout.accessiblecaret.use_long_tap_injector
  type: bool
  value: false
  mirror: always

# To support magnify glass, whether we dispatch additional chrome event such as
# dragcaret.
- name: layout.accessiblecaret.magnifier.enabled
  type: bool
  value: @IS_ANDROID@
  mirror: always

# One of several prefs affecting the maximum area to pre-render when animating
# a large element on the compositor.
# This pref enables transform (and transform like properties) animations on a
# large element run on the compositor with rendering partial area of the
# element on the main thread instead of rendering the whole area.  Once the
# animation tried to composite out of the partial rendered area, the animation
# is rendered again with the latest visible partial area.
- name: layout.animation.prerender.partial
  type: RelaxedAtomicBool
  value: false
  mirror: always

# One of several prefs affecting the maximum area to pre-render when animating
# a large element on the compositor.
# This value is applied to both x and y axes and a perfect square contructed
# by the greater axis value which will be capped by the absolute limits is used
# for the partial pre-render area.
- name: layout.animation.prerender.viewport-ratio-limit
  type: AtomicFloat
  value: 1.125f
  mirror: always

# One of several prefs affecting the maximum area to pre-render when animating
# a large element on the compositor.
- name: layout.animation.prerender.absolute-limit-x
  type: RelaxedAtomicUint32
  value: 4096
  mirror: always

# One of several prefs affecting the maximum area to pre-render when animating
# a large element on the compositor.
- name: layout.animation.prerender.absolute-limit-y
  type: RelaxedAtomicUint32
  value: 4096
  mirror: always

# Test-only pref, if this is true, partial pre-rendered transform animations
# get stuck when it reaches to the pre-rendered boundaries and the pre-render
# region is never updated.
- name: layout.animation.prerender.partial.jank
  type: RelaxedAtomicBool
  value: false
  mirror: always

# Override DPI. A value of -1 means use the maximum of 96 and the system DPI.
# A value of 0 means use the system DPI. A positive value is used as the DPI.
# This sets the physical size of a device pixel and thus controls the
# interpretation of physical units such as "pt".
- name: layout.css.dpi
  type: int32_t
  value: -1
  mirror: always

# Whether Container Queries are enabled
- name: layout.css.container-queries.enabled
  type: RelaxedAtomicBool
  value: true
  mirror: always
  rust: true

# Whether Constructable Stylesheets are enabled in script.
- name: layout.css.constructable-stylesheets.enabled
  type: bool
  value: true
  mirror: always

# Whether trigonometric constants and functions are enabled in calc().
- name: layout.css.trig.enabled
  type: RelaxedAtomicBool
  value: true
  mirror: always
  rust: true

# Whether the round() function is enabled in calc().
- name: layout.css.round.enabled
  type: RelaxedAtomicBool
  value: @IS_NIGHTLY_BUILD@
  mirror: always
  rust: true

# Whether the mod() / rem() functions are enabled in calc().
- name: layout.css.mod-rem.enabled
  type: RelaxedAtomicBool
  value: @IS_NIGHTLY_BUILD@
  mirror: always
  rust: true

# Whether exponential functions are enabled in calc().
- name: layout.css.exp.enabled
  type: RelaxedAtomicBool
  value: @IS_NIGHTLY_BUILD@
  mirror: always
  rust: true

# Whether infinity / nan constants are enabled in calc().
- name: layout.css.nan-inf.enabled
  type: RelaxedAtomicBool
  value: true
  mirror: always
  rust: true

# Whether CSS nesting is enabled.
- name: layout.css.nesting.enabled
  type: RelaxedAtomicBool
  value: @IS_NIGHTLY_BUILD@
  mirror: always
  rust: true

# Should we look for counter ancestor scopes first?
- name: layout.css.counter-ancestor-scope.enabled
  type: bool
  value: true
  mirror: always

# Make `zoom` a `transform` + `transform-origin` alias.
- name: layout.css.zoom-transform-hack.enabled
  type: RelaxedAtomicBool
  value: false
  mirror: always
  rust: true

# Whether the `-moz-control-character-visibility` property is exposed to
# content.
#
# Only for testing purposes.
- name: layout.css.moz-control-character-visibility.enabled
  type: RelaxedAtomicBool
  value: false
  mirror: always
  rust: true

# Whether the `accent-color` css property is enabled.
- name: layout.css.accent-color.enabled
  type: RelaxedAtomicBool
  value: true
  mirror: always
  rust: true

# Whether the `color-scheme` css property and meta tags are enabled.
- name: layout.css.color-scheme.enabled
  type: RelaxedAtomicBool
  value: true
  mirror: always
  rust: true

# This pref controls whether the `prefers-color-scheme` value of iframes images
# reacts to the embedder `color-scheme` in content.
- name: layout.css.iframe-embedder-prefers-color-scheme.content.enabled
  type: RelaxedAtomicBool
  value: true
  mirror: always

# The minimum contrast ratio between the accent color foreground and background
# colors.
#
# We don't use this for text, so we need a contrast of at least AA (for user
# interface components and graphical objects), which per WCAG is 3:1
- name: layout.css.accent-color.min-contrast-ratio
  type: AtomicFloat
  value: 3.0
  mirror: always

# The target contrast ratio between the accent color foreground and background
# colors when darkening.
#
# We aim a bit further than the minimum contrast ratio, which seems to provide
# nice results in practice.
- name: layout.css.accent-color.darkening-target-contrast-ratio
  type: AtomicFloat
  value: 6.0
  mirror: always

# Whether the `animation-composition` in css-animations-2 is enabled.
- name: layout.css.animation-composition.enabled
  type: bool
  value: true
  mirror: always

# Is the codepath for using cached scrollbar styles enabled?
- name: layout.css.cached-scrollbar-styles.enabled
  type: bool
  value: true
  mirror: always

# Whether we should return an empty style on invalid pseudo-elements starting
# with a colon.
#
# Old behavior is returning an empty style if the string starts with a double
# colon, and return the regular style otherwise.
- name: layout.css.computed-style.new-invalid-pseudo-element-behavior
  type: bool
  value: true
  mirror: always

# Whether computed local-fragment-only image urls serialize using the same
# rules as filter/mask/etc (not resolving the URL for local refs).
#
# See https://github.com/w3c/csswg-drafts/issues/3195
- name: layout.css.computed-style.dont-resolve-image-local-refs
  type: RelaxedAtomicBool
  value: true
  mirror: always
  rust: true

# Whether we should expose all shorthands in getComputedStyle().
- name: layout.css.computed-style.shorthands
  type: bool
  value: true
  mirror: always

# Whether we should avoid exposing styles of elements outside the flat tree in getComputedStyle().
- name: layout.css.computed-style.styles-outside-flat-tree
  type: bool
  value: false
  mirror: always

# Are implicit tracks in computed grid templates serialized?
- name: layout.css.serialize-grid-implicit-tracks
  type: RelaxedAtomicBool
  value: true
  mirror: always

# Whether the system-ui generic family is enabled.
- name: layout.css.system-ui.enabled
  type: RelaxedAtomicBool
  value: true
  mirror: always
  rust: true

# Whether the rule hash is applied to attribute names too, not
# only classes / id / namespaces / etc.
- name: layout.css.bucket-attribute-names.enabled
  type: RelaxedAtomicBool
  value: true
  mirror: always
  rust: true

# Set the number of device pixels per CSS pixel. A value <= 0 means choose
# automatically based on user settings for the platform (e.g., "UI scale factor"
# on Mac). If browser.display.os-zoom-behavior == 1, then a positive value
# will be multiplied by the text scale factor; otherwise a positive value is
# used as-is. This controls the size of a CSS "px" at 100% full-zoom.
# The size of system fonts is also changed in proportion with the change in
# "px" sizes. Use "ui.textScaleFactor" instead to only change the size of "px".
# This is only used for windows on the screen, not for printing.
- name: layout.css.devPixelsPerPx
  type: AtomicFloat
  value: -1.0f
  mirror: always

# Is support for CSS backdrop-filter enabled?
- name: layout.css.backdrop-filter.enabled
  type: bool
  value: true
  mirror: always

# Do we override the blocklist for CSS backdrop-filter?
- name: layout.css.backdrop-filter.force-enabled
  type: bool
  value: false
  mirror: always

# Should stray control characters be rendered visibly?
- name: layout.css.control-characters.visible
  type: RelaxedAtomicBool
  value: @IS_NOT_RELEASE_OR_BETA@
  mirror: always
  rust: true

# Whether the `content-visibility` CSS property is enabled
- name: layout.css.content-visibility.enabled
  type: RelaxedAtomicBool
  value: @IS_NIGHTLY_BUILD@
  mirror: always
  rust: true

# Whether the `contain-intrinsic-size` CSS property is enabled
- name: layout.css.contain-intrinsic-size.enabled
  type: RelaxedAtomicBool
  value: true
  mirror: always
  rust: true

# Is support for GeometryUtils.convert*FromNode enabled?
- name: layout.css.convertFromNode.enabled
  type: bool
  value: @IS_NOT_RELEASE_OR_BETA@
  mirror: always

- name: layout.css.cross-fade.enabled
  type: RelaxedAtomicBool
  value: false
  mirror: always
  rust: true

- name: layout.css.linear-easing-function.enabled
  type: RelaxedAtomicBool
  value: true
  mirror: always
  rust: true

# Is support for color-mix on content enabled?
- name: layout.css.color-mix.enabled
  type: RelaxedAtomicBool
  value: true
  mirror: always
  rust: true

# Is support for color-mix with non-SRGB color spaces on content enabled?
- name: layout.css.color-mix.color-spaces.enabled
  type: RelaxedAtomicBool
  value: true
  mirror: always
  rust: true

# Is support for fit-content() enabled?
- name: layout.css.fit-content-function.enabled
  type: RelaxedAtomicBool
  value: false
  mirror: always
  rust: true

# Whether to use tight bounds for floating ::first-letter (legacy Gecko behavior)
# or loose bounds based on overall font metrics (WebKit/Blink-like behavior)?
# Values mean:
#     1   legacy Gecko behavior (tight bounds)
#     0   loose typographic bounds (similar to webkit/blink)
#    -1   auto behavior: use loose bounds if reduced line-height (<1em) or negative
#         block-start margin is present; otherwise use tight bounds.
- name: layout.css.floating-first-letter.tight-glyph-bounds
  type: int32_t
#ifdef NIGHTLY_BUILD
  value: -1
#else
  value: 1
#endif
  mirror: always

# Is support for the font-display @font-face descriptor enabled?
- name: layout.css.font-display.enabled
  type: RelaxedAtomicBool
  value: true
  mirror: always
  rust: true

# Is support for document.fonts enabled?
- name: layout.css.font-loading-api.enabled
  type: RelaxedAtomicBool
  value: true
  mirror: always

# Is support for workerGlobalScope.fonts enabled?
- name: layout.css.font-loading-api.workers.enabled
  type: RelaxedAtomicBool
  value: true
  mirror: always

# Is support for the @font-face metrics override descriptors enabled?
- name: layout.css.font-metrics-overrides.enabled
  type: RelaxedAtomicBool
  value: true
  mirror: always
  rust: true

# Is support for the @font-palette-values rule and font-palette property enabled?
- name: layout.css.font-palette.enabled
  type: RelaxedAtomicBool
  value: true
  mirror: always
  rust: true

# Is support for variation fonts enabled?
- name: layout.css.font-variations.enabled
  type: RelaxedAtomicBool
  value: true
  mirror: always
  rust: true

# Is support for the size-adjust @font-face descriptor enabled?
- name: layout.css.size-adjust.enabled
  type: RelaxedAtomicBool
  value: true
  mirror: always
  rust: true

# Is the optional adjustment-basis value for font-size-adjust enabled?
- name: layout.css.font-size-adjust.basis.enabled
  type: RelaxedAtomicBool
  value: true
  mirror: always
  rust: true

# Is support for the tech() function in the @font-face src descriptor enabled?
- name: layout.css.font-tech.enabled
  type: RelaxedAtomicBool
  value: true
  mirror: always
  rust: true

# Is support for font-variant-emoji enabled?
- name: layout.css.font-variant-emoji.enabled
  type: RelaxedAtomicBool
  value: @IS_NIGHTLY_BUILD@
  mirror: always
  rust: true

# Visibility level of font families available to CSS font-matching:
#   1 - only base system fonts
#   2 - also fonts from optional language packs
#   3 - also user-installed fonts
- name: layout.css.font-visibility.standard
  type: int32_t
  value: 3
  mirror: always

# font-visibility setting when Tracking Protection is enabled
- name: layout.css.font-visibility.trackingprotection
  type: int32_t
  value: 3
  mirror: always

# font-visibility setting when Resist Fingerprinting is enabled
- name: layout.css.font-visibility.resistFingerprinting
  type: int32_t
  value: 1
  mirror: always

# Max font-visibility setting for Private Browsing contexts
# (The actual value used in a private-browsing context will be the lesser of
# the appropriate standard/trackingprotection/RFP value from above, and the
# private-browsing level specified by this pref.)
- name: layout.css.font-visibility.private
  type: int32_t
#if defined(NIGHTLY_BUILD)
  value: 2
#else
  value: 3
#endif
  mirror: always

# Is support for GeometryUtils.getBoxQuads enabled?
- name: layout.css.getBoxQuads.enabled
  type: bool
  value: @IS_NOT_RELEASE_OR_BETA@
  mirror: always

# Is support for caching an grid item's block axis measurement enabled?
- name: layout.css.grid-item-baxis-measurement.enabled
  type: bool
  value: true
  mirror: always

# Is support for CSS masonry layout enabled?
- name: layout.css.grid-template-masonry-value.enabled
  type: RelaxedAtomicBool
  value: @IS_NIGHTLY_BUILD@
  mirror: always
  rust: true

# Is support for :nth-child(An+B of S) and :nth-last-child(An+B of S) enabled?
# Before enabling everywhere, make sure blockers of bug 1808229 are fixed.
- name: layout.css.nth-child-of.enabled
  type: RelaxedAtomicBool
  value: true
  mirror: always
  rust: true

# Is support for :has() enabled?
- name: layout.css.has-selector.enabled
  type: RelaxedAtomicBool
  value: false
  mirror: always
  rust: true

# Is support for CSS hyphenate-character enabled?
- name: layout.css.hyphenate-character.enabled
  type: RelaxedAtomicBool
  value: true
  mirror: always

# Is support for CSS individual transform enabled?
- name: layout.css.individual-transform.enabled
  type: bool
  value: true
  mirror: always

# Is support for CSS initial-letter property enabled?
- name: layout.css.initial-letter.enabled
  type: bool
  value: false
  mirror: always

# Pref to control whether line-height: -moz-block-height is exposed to content.
- name: layout.css.line-height-moz-block-height.content.enabled
  type: RelaxedAtomicBool
  value: false
  mirror: always
  rust: true

# Is support for motion-path enabled?
- name: layout.css.motion-path.enabled
  type: bool
  value: true
  mirror: always

# Is support for motion-path ray() enabled?
- name: layout.css.motion-path-ray.enabled
  type: RelaxedAtomicBool
  value: @IS_NIGHTLY_BUILD@
  mirror: always
  rust: true

# Is support for motion-path offset-position enabled?
- name: layout.css.motion-path-offset-position.enabled
  type: RelaxedAtomicBool
  value: @IS_NIGHTLY_BUILD@
  mirror: always
  rust: true

# Pref to control whether the ::marker property restrictions defined in [1]
# apply.
#
# [1]: https://drafts.csswg.org/css-pseudo-4/#selectordef-marker
- name: layout.css.marker.restricted
  type: RelaxedAtomicBool
  value: true
  mirror: always
  rust: true

# Is support for math-style enabled?
- name: layout.css.math-style.enabled
  type: RelaxedAtomicBool
  value: @IS_NIGHTLY_BUILD@
  mirror: always
  rust: true

# Is support for math-depth enabled?
# This must not be enabled until implementation is complete (see bug 1667090).
- name: layout.css.math-depth.enabled
  type: RelaxedAtomicBool
  value: false
  mirror: always
  rust: true

# Pref to control whether @-moz-document rules are enabled in content pages.
- name: layout.css.moz-document.content.enabled
  type: RelaxedAtomicBool
  value: false
  mirror: always
  rust: true

# Is -moz-osx-font-smoothing enabled? (Only supported in OSX builds)
- name: layout.css.osx-font-smoothing.enabled
  type: bool
#if defined(XP_MACOSX)
  value: true
#else
  value: false
#endif
  mirror: always

# Is support for CSS overflow-clip-box enabled for non-UA sheets?
- name: layout.css.overflow-clip-box.enabled
  type: bool
  value: false
  mirror: always

# Is support for CSS overflow: -moz-hidden-unscrollable enabled
- name: layout.css.overflow-moz-hidden-unscrollable.enabled
  type: RelaxedAtomicBool
  value: @IS_NOT_NIGHTLY_BUILD@
  mirror: always
  rust: true

# Is support for CSS overflow: overlay enabled
- name: layout.css.overflow-overlay.enabled
  type: RelaxedAtomicBool
  value: true
  mirror: always
  rust: true

# Is support for overscroll-behavior enabled?
- name: layout.css.overscroll-behavior.enabled
  type: bool
  value: true
  mirror: always

- name: layout.css.overflow-logical.enabled
  type: bool
  value: true
  mirror: always

# Enables support for the page-orientation  property inside of CSS @page rules.
- name: layout.css.page-orientation.enabled
  type: RelaxedAtomicBool
  value: @IS_NIGHTLY_BUILD@
  mirror: always
  rust: true

# Enables support for the size property inside of CSS @page rules.
- name: layout.css.page-size.enabled
  type: RelaxedAtomicBool
  value: true
  mirror: always
  rust: true

# Enables support for different CSS page sizes on each page when printing.
- name: layout.css.allow-mixed-page-sizes
  type: RelaxedAtomicBool
  value: @IS_EARLY_BETA_OR_EARLIER@
  mirror: always

# Whether Properties and Values is enabled
- name: layout.css.properties-and-values.enabled
  type: RelaxedAtomicBool
  value: false
  mirror: always
  rust: true

# Dictates whether or not the prefers contrast media query will be
# usable.
#   true: prefers-contrast will toggle based on OS and browser settings.
#   false: prefers-contrast will only parse and toggle in the browser
#   chrome and ua.
- name: layout.css.prefers-contrast.enabled
  type: RelaxedAtomicBool
  value: true
  mirror: always
  rust: true

# An override for prefers-color-scheme for content documents.
#   0: Dark
#   1: Light
#   2: Auto (system color scheme unless overridden by browser theme)
- name: layout.css.prefers-color-scheme.content-override
  type: RelaxedAtomicInt32
  value: 2
  mirror: always

# Dictates whether or not the forced-colors media query is enabled.
- name: layout.css.forced-colors.enabled
  type: RelaxedAtomicBool
  value: true
  mirror: always
  rust: true

# Dictates whether or not the prefers-reduced-transparency media query is enabled.
- name: layout.css.prefers-reduced-transparency.enabled
  type: RelaxedAtomicBool
  value: false
  mirror: always
  rust: true

# Dictates whether or not the inverted-colors media query is enabled.
- name: layout.css.inverted-colors.enabled
  type: RelaxedAtomicBool
  value: false
  mirror: always
  rust: true

# Is support for forced-color-adjust properties enabled?
- name: layout.css.forced-color-adjust.enabled
  type: RelaxedAtomicBool
  value: true
  mirror: always
  rust: true

# Is support for -moz-prefixed animation properties enabled?
- name: layout.css.prefixes.animations
  type: bool
  value: true
  mirror: always

# Is support for -moz-border-image enabled?
- name: layout.css.prefixes.border-image
  type: bool
  value: true
  mirror: always

# Is support for -moz-box-sizing enabled?
- name: layout.css.prefixes.box-sizing
  type: bool
  value: true
  mirror: always

# Is support for -moz-prefixed font feature properties enabled?
- name: layout.css.prefixes.font-features
  type: bool
  value: true
  mirror: always

# Is support for -moz-prefixed transform properties enabled?
- name: layout.css.prefixes.transforms
  type: bool
  value: true
  mirror: always

# Is support for -moz-prefixed transition properties enabled?
- name: layout.css.prefixes.transitions
  type: bool
  value: true
  mirror: always

# Is CSS error reporting enabled?
- name: layout.css.report_errors
  type: bool
  value: true
  mirror: always

# Are inter-character ruby annotations enabled?
- name: layout.css.ruby.intercharacter.enabled
  type: bool
  value: false
  mirror: always

- name: layout.css.scroll-behavior.damping-ratio
  type: AtomicFloat
  value: 1.0f
  mirror: always

# Tuning of the smooth scroll motion used by CSSOM-View scroll-behavior.
# Spring-constant controls the strength of the simulated MSD
# (Mass-Spring-Damper).
- name: layout.css.scroll-behavior.spring-constant
  type: AtomicFloat
  value: 250.0f
  mirror: always

# Whether the scroll-driven animations generated by CSS is enabled. This
# also include animation-timelime property.
- name: layout.css.scroll-driven-animations.enabled
  type: RelaxedAtomicBool
  value: false
  mirror: always
  rust: true

# When selecting the snap point for CSS scroll snapping, the velocity of the
# scroll frame is clamped to this speed, in CSS pixels / s.
- name: layout.css.scroll-snap.prediction-max-velocity
  type: RelaxedAtomicInt32
  value: 2000
  mirror: always

#  When selecting the snap point for CSS scroll snapping, the velocity of the
# scroll frame is integrated over this duration, in seconds.  The snap point
# best suited for this position is selected, enabling the user to perform fling
# gestures.
- name: layout.css.scroll-snap.prediction-sensitivity
  type: AtomicFloat
  value: 0.750f
  mirror: always

# Set the threshold distance in CSS pixels below which scrolling will snap to
# an edge, when scroll snapping is set to "proximity".
- name: layout.css.scroll-snap.proximity-threshold
  type: RelaxedAtomicInt32
  value: 200
  mirror: always

# Is steps(jump-*) supported in easing functions?
- name: layout.css.step-position-jump.enabled
  type: RelaxedAtomicBool
  value: true
  mirror: always
  rust: true

# Stylo thread-pool size.
# Negative means auto, 0 disables the thread-pool (main-thread styling), other
# numbers override as specified.
# Note that 1 still creates a thread-pool of one thread!
- name: layout.css.stylo-threads
  type: int32_t
  value: -1
  mirror: once
  rust: true

# Stylo work unit size. This is the amount of nodes we'll process in a single
# unit of work of the thread-pool.
#
# Larger values will increase style sharing cache hits and general DOM locality
# at the expense of decreased opportunities for parallelism.  There are some
# measurements in bug 1385982 comments 11, 12, 13 that investigate some
# slightly different values for the work unit size.
#
# If the size is significantly increased, make sure to adjust the condition for
# kicking off a new work unit (stylo-parallelism-threshold), because otherwise
# we're likely to end up doing too much work serially.
- name: layout.css.stylo-work-unit-size
  type: RelaxedAtomicUint32
  value: 16
  mirror: always
  rust: true

# The amount of nodes that kick off the initial parallel traversal. See above
# for tweaking. A value of 0 causes the traversal to effectively always be
# serial.
- name: layout.css.stylo-parallelism-threshold
  type: RelaxedAtomicUint32
  value: 32
  mirror: always
  rust: true

# Are counters for implemented CSS properties enabled?
- name: layout.css.use-counters.enabled
  type: bool
  value: true
  mirror: always

# Are counters for unimplemented CSS properties enabled?
- name: layout.css.use-counters-unimplemented.enabled
  type: RelaxedAtomicBool
  value: true
  mirror: always
  rust: true

# Should the :visited selector ever match (otherwise :link matches instead)?
- name: layout.css.visited_links_enabled
  type: bool
  value: true
  mirror: always

# Enable experimental enhanced color CSS color spaces. (lab(), lch(), oklab(), oklch(), color())
- name: layout.css.more_color_4.enabled
  type: RelaxedAtomicBool
  value: true
  mirror: always
  rust: true

# The margin used for detecting relevancy for `content-visibility: auto`.
- name: layout.css.content-visibility-relevant-content-margin
  type: float
  value: 50 # 50%
  mirror: always

# Whether the "modern" uppercase mapping of ß to ẞ (rather than SS) is used.
- name: layout.css.text-transform.uppercase-eszett.enabled
  type: bool
  value: false
  mirror: always

# Whether to block large cursors intersecting UI.
- name: layout.cursor.block.enabled
  type: bool
  value: true
  mirror: always

# The maximum width or height of the cursor we should allow when intersecting
# the UI, in CSS pixels.
- name: layout.cursor.block.max-size
  type: uint32_t
  value: 32
  mirror: always

- name: layout.cursor.disable-for-popups
  type: bool
  value: true
  mirror: always

- name: layout.display-list.build-twice
  type: RelaxedAtomicBool
  value: false
  mirror: always

# Toggle retaining display lists between paints.
- name: layout.display-list.retain
  type: RelaxedAtomicBool
  value: true
  mirror: always

# Toggle retaining display lists between paints.
- name: layout.display-list.retain.chrome
  type: RelaxedAtomicBool
  value: true
  mirror: always

- name: layout.display-list.retain.sc
  type: RelaxedAtomicBool
  value: false
  mirror: always

# Set the maximum number of modified frames allowed before doing a full
# display list rebuild.
- name: layout.display-list.rebuild-frame-limit
  type: RelaxedAtomicUint32
  value: 500
  mirror: always

# Pref to dump the display list to the log. Useful for debugging drawing.
- name: layout.display-list.dump
  type: RelaxedAtomicBool
  value: false
  mirror: always

# Pref to dump the display list to the log. Useful for debugging drawing.
- name: layout.display-list.dump-content
  type: RelaxedAtomicBool
  value: false
  mirror: always

# Pref to dump the display list to the log. Useful for debugging drawing.
- name: layout.display-list.dump-parent
  type: RelaxedAtomicBool
  value: false
  mirror: always

- name: layout.display-list.show-rebuild-area
  type: RelaxedAtomicBool
  value: false
  mirror: always

- name: layout.display-list.flatten-transform
  type: RelaxedAtomicBool
  value: true
  mirror: always

- name: layout.display-list.improve-fragmentation
  type: RelaxedAtomicBool
  value: true
  mirror: always

# Are dynamic reflow roots enabled?
- name: layout.dynamic-reflow-roots.enabled
  type: bool
  value: @IS_EARLY_BETA_OR_EARLIER@
  mirror: always

# Enables the mechanism to optimize away flex item's final reflow.
# Warning: Disabling the pref will impact the performance. This is useful only for
# debugging flexbox issues.
- name: layout.flexbox.item-final-reflow-optimization.enabled
  type: bool
  value: true
  mirror: always

# Enables the <input type=search> custom layout frame with a clear icon.
# Still needs tests and a web-exposed way to remove that icon, see bug 1654288.
- name: layout.forms.input-type-search.enabled
  type: bool
  value: false
  mirror: always

# Enables the Reveal Password button inside a <input type=password>.
- name: layout.forms.reveal-password-button.enabled
  type: bool
  value: false
  mirror: always

# Enables the Reveal Password context-menu entry.
- name: layout.forms.reveal-password-context-menu.enabled
  type: bool
  value: true
  mirror: always

# Pref to control browser frame rate, in Hz. A value <= 0 means choose
# automatically based on knowledge of the platform (or 60Hz if no platform-
# specific information is available).
- name: layout.frame_rate
  type: RelaxedAtomicInt32
  value: -1
  mirror: always

# If it has been this many frame periods since a refresh, assume that painting
# is quiescent (will not happen again soon).
- name: layout.idle_period.required_quiescent_frames
  type: uint32_t
  value: 2
  mirror: always

# The amount of time (milliseconds) needed between an idle period's
# end and the start of the next tick to avoid jank.
- name: layout.idle_period.time_limit
  type: uint32_t
  value: 1
  mirror: always

# The minimum amount of time (milliseconds) required to be remaining
# in the current vsync interval for us to attempt an extra tick, or
# <0 to disable extra ticks entirely.
- name: layout.extra-tick.minimum-ms
  type: int32_t
  value: 4
  mirror: always

# Whether to load the broken image icon eagerly. This is mostly needed for
# reftests, since the broken image icon doesn't block the load event and thus
# there's no easy way to guarantee it's loaded.
- name: layout.image.eager_broken_image_icon
  type: bool
  value: false
  mirror: always

# Enable/disable interruptible reflow, which allows reflows to stop
# before completion (and display the partial results) when user events
# are pending.
- name: layout.interruptible-reflow.enabled
  type: bool
  value: true
  mirror: always

- name: layout.min-active-layer-size
  type: int32_t
  value: 64
  mirror: always

# On Android, don't synth mouse move events after scrolling, as they cause
# unexpected user-visible behaviour. Can remove this after bug 1633450 is
# satisfactorily resolved.
- name: layout.reflow.synthMouseMove
  type: bool
  value: @IS_NOT_ANDROID@
  mirror: always

# This pref is to be set by test code only.
- name: layout.scrollbars.always-layerize-track
  type: RelaxedAtomicBool
  value: false
  mirror: always

# Whether anchor is kept selected.
- name: layout.selectanchor
  type: bool
  value: false
  mirror: always

# Controls caret style and word-delete during text selection.
# 0: Use platform default
# 1: Caret moves and blinks as when there is no selection; word
#    delete deselects the selection and then deletes word.
# 2: Caret moves to selection edge and is not visible during selection;
#    word delete deletes the selection (Mac and Linux default).
# 3: Caret moves and blinks as when there is no selection; word delete
#    deletes the selection.
# Windows default is 1 for word delete behavior, the rest as for 2.
- name: layout.selection.caret_style
  type: int32_t
  value: 0
  mirror: always

# If layout.show_previous_page is true then during loading of a new page we
# will draw the previous page if the new page has painting suppressed.
- name: layout.show_previous_page
  type: bool
  value: true
  mirror: always

# Pref to stop overlay scrollbars from fading out, for testing purposes.
- name: layout.testing.overlay-scrollbars.always-visible
  type: bool
  value: false
  mirror: always

# Throttled frame rate, in frames per second.
- name: layout.throttled_frame_rate
  type: uint32_t
  value: 1
  mirror: always

# Whether we should throttle in-process iframes in the active tab.
- name: layout.throttle_in_process_iframes
  type: bool
  value: true
  mirror: always

# Activity granted to out-of-process iframes in the foreground tab, in milliseconds.
- name: layout.oopif_activity_grace_period_ms
  type: uint32_t
  value: 1000
  mirror: always

- name: layout.lower_priority_refresh_driver_during_load
  type: bool
  value: true
  mirror: always

# If > 0, nsRefreshDriver will keep ticking this amount of milliseconds after
# top level page load.
- name: layout.keep_ticking_after_load_ms
  type: uint32_t
  value: 1000
  mirror: always

# Pref to control enabling scroll anchoring.
- name: layout.css.scroll-anchoring.enabled
  type: bool
  value: true
  mirror: always

# Pref to control whether to suspend also RefreshDriver::Tick when the page
# itself is suspended because of some synchronous operation, like sync XHR.
- name: layout.skip_ticks_while_page_suspended
  type: bool
  value: true
  mirror: always

# Pref to control how many consecutive scroll-anchoring adjustments (since the
# most recent user scroll or timeout) we'll average, before we consider whether
# to automatically turn off scroll anchoring. When we hit this threshold, the
# actual decision to disable also depends on the
# min-average-adjustment-threshold pref, see below for more details.
#
# Zero disables the heuristic.
- name: layout.css.scroll-anchoring.max-consecutive-adjustments
  type: uint32_t
  value: 10
  mirror: always

# Whether to reset counting the consecutive scroll-anchoring adjustments during
# running async scrolling by APZ.
- name: layout.css.scroll-anchoring.reset-heuristic-during-animation
  type: bool
  value: false
  mirror: always

# The time after which we reset the max-consecutive-adjustments period, in
# milliseconds.
#
# This prevents sporadic back-and-forth scroll anchoring to trigger the
# max-consecutive-adjustments heuristic.
- name: layout.css.scroll-anchoring.max-consecutive-adjustments-timeout-ms
  type: uint32_t
  value: 500
  mirror: always

# Pref to control whether we should disable scroll anchoring on a scroller
# where at least max-consecutive-adjustments have happened, and which the
# average adjustment ends up being less than this number, in CSS pixels.
#
# So, for example, given max-consecutive-adjustments=10 and
# min-average-adjustment-treshold=3, we'll block scroll anchoring if there have
# been 10 consecutive adjustments without a user scroll or more, and the
# average offset difference between them amount to less than 3 CSS pixels.
- name: layout.css.scroll-anchoring.min-average-adjustment-threshold
  type: uint32_t
  value: 2
  mirror: always

# Pref to control disabling scroll anchoring suppression triggers, see
#
# https://drafts.csswg.org/css-scroll-anchoring/#suppression-triggers
#
# Those triggers should be unnecessary after bug 1561450.
- name: layout.css.scroll-anchoring.suppressions.enabled
  type: bool
  value: true
  mirror: always

- name: layout.css.scroll-anchoring.highlight
  type: bool
  value: false
  mirror: always

# Pref to control whether we reselect scroll anchors if sub-optimal
#
# See https://github.com/w3c/csswg-drafts/issues/6787
- name: layout.css.scroll-anchoring.reselect-if-suboptimal
  type: bool
  value: true
  mirror: always

# Are shared memory User Agent style sheets enabled?
- name: layout.css.shared-memory-ua-sheets.enabled
  type: bool
  value: true
  mirror: always

# Is support for -webkit-line-clamp on regular blocks enabled?
- name: layout.css.webkit-line-clamp.block.enabled
  type: bool
  value: false
  mirror: always

# Is 'content:none' supported on (non-pseudo) elements?
- name: layout.css.element-content-none.enabled
  type: RelaxedAtomicBool
  value: false
  mirror: always
  rust: true

# Is 'font-synthesis: small-caps' supported?
- name: layout.css.font-synthesis-small-caps.enabled
  type: RelaxedAtomicBool
  value: true
  mirror: always
  rust: true

# Whether we want scrollbar-width: thin to behave as scrollbar-width: auto.
- name: layout.css.scrollbar-width-thin.disabled
  type: RelaxedAtomicBool
  value: false
  mirror: always

# Whether the `scrollbar-gutter` CSS property is enabled.
- name: layout.css.scrollbar-gutter.enabled
  type: RelaxedAtomicBool
  value: true
  mirror: always
  rust: true

# Whether supports() conditions in @import is enabled
- name: layout.css.import-supports.enabled
  type: RelaxedAtomicBool
  value: true
  mirror: always
  rust: true

# Whether frame visibility tracking is enabled globally.
- name: layout.framevisibility.enabled
  type: bool
  value: true
  mirror: always

# The fraction of the scrollport we allow to horizontally scroll by before we
# schedule an update of frame visibility.
- name: layout.framevisibility.amountscrollbeforeupdatehorizontal
  type: int32_t
  value: 2
  mirror: always

# The fraction of the scrollport we allow to vertically scroll by before we
# schedule an update of frame visibility.
- name: layout.framevisibility.amountscrollbeforeupdatevertical
  type: int32_t
  value: 2
  mirror: always

# The number of scrollports wide to expand when tracking frame visibility.
- name: layout.framevisibility.numscrollportwidths
  type: uint32_t
#ifdef ANDROID
  value: 1
#else
  value: 0
#endif
  mirror: always

# The number of scrollports high to expand when tracking frame visibility.
- name: layout.framevisibility.numscrollportheights
  type: uint32_t
  value: 1
  mirror: always

# Test only.
- name: layout.dynamic-toolbar-max-height
  type: RelaxedAtomicInt32
  value: 0
  mirror: always

# Whether outlines should include all overflowing descendants, or just the
# border-box of a given element.
#
# Historically we have included descendants but other browsers have not.
- name: layout.outline.include-overflow
  type: bool
  value: false
  mirror: always

- name: layout.visibility.min-recompute-interval-ms
  type: uint32_t
  value: 1000
  mirror: always

# Controls double click and Alt+Arrow word selection behavior.
- name: layout.word_select.eat_space_to_next_word
  type: bool
#ifdef XP_WIN
  value: true
#else
  value: false
#endif
  mirror: always

- name: layout.word_select.stop_at_punctuation
  type: bool
  value: true
  mirror: always

# Whether underscore should be treated as a word-breaking character for
# word selection/arrow-key movement purposes.
- name: layout.word_select.stop_at_underscore
  type: bool
  value: false
  mirror: always

# Should deprecated plugin behavior fallback to normal behavior or use
# the experimental design.
- name: layout.use-plugin-fallback
  type: bool
  value: false
  mirror: always

# Whether to draw images in CSS backgrounds if we only have a partial frame.
- name: layout.display_partial_background_images
  type: bool
  value: true
  mirror: always

# Controls whether nsRefreshDriver::IsInHighRateMode() may ever return true.
- name: layout.expose_high_rate_mode_from_refreshdriver
  type: bool
  value: true
  mirror: always

#---------------------------------------------------------------------------
# Prefs starting with "mathml."
#---------------------------------------------------------------------------

# Whether to disable layout of invalid markup as an error message.
- name: mathml.error_message_layout_for_invalid_markup.disabled
  type: bool
  value: true
  mirror: always

# Whether to disable MathML3 implementations for maction and semantics.
- name: mathml.legacy_maction_and_semantics_implementations.disabled
  type: bool
  value: true
  mirror: always
  rust: true

# Whether to disable the lquote/rquote attributes of the <ms> element.
- name: mathml.ms_lquote_rquote_attributes.disabled
  type: bool
  value: true
  mirror: always
  rust: true

# Whether to disable legacy names "thickmathspace", "mediummathspace",
# "thickmathspace" etc for length attributes.
- name: mathml.mathspace_names.disabled
  type: bool
  value: @IS_NIGHTLY_BUILD@
  mirror: always

# Whether to disable the scriptminsize attribute.
# Note that this only disables parsing, not the default effect when no attribute
# is unspecified.
- name: mathml.scriptminsize_attribute.disabled
  type: bool
  value: true
  mirror: always

# Whether to disable the scriptsizemultiplier attribute.
- name: mathml.scriptsizemultiplier_attribute.disabled
  type: bool
  value: true
  mirror: always

# Whether to disable support for stretching operators with STIXGeneral fonts.
# macos still has the deprecated STIXGeneral font pre-installed.
- name: mathml.stixgeneral_operator_stretching.disabled
  type: bool
#if defined(XP_MACOSX)
  value: @IS_NIGHTLY_BUILD@
#else
  value: true
#endif
  mirror: always

# Whether to disable fallback for mathvariant=italic/bold/bold-italic via
# styling when lacking proper fonts for Mathematical Alphanumeric Symbols.
# We expect all OSes to have relevant fonts, except Android, see bug 1789083.
- name: mathml.mathvariant_styling_fallback.disabled
  type: bool
#if defined(ANDROID)
  value: false
#else
  value: true
#endif
  mirror: always

#---------------------------------------------------------------------------
# Prefs starting with "media."
#---------------------------------------------------------------------------


# This pref defines what the blocking policy would be used in blocking autoplay.
# 0 : use sticky activation (default)
# https://html.spec.whatwg.org/multipage/interaction.html#sticky-activation
# 1 : use transient activation (the transient activation duration can be
#     adjusted by the pref `dom.user_activation.transient.timeout`)
# https://html.spec.whatwg.org/multipage/interaction.html#transient-activation
# 2 : user input depth (allow autoplay when the play is trigged by user input
#     which is determined by the user input depth)
- name: media.autoplay.blocking_policy
  type: uint32_t
  value: 0
  mirror: always

# Whether to allow autoplay on extension background pages.
- name: media.autoplay.allow-extension-background-pages
  type: bool
  value: true
  mirror: always

# Block autoplay, asking for permission by default.
# 0=Allowed, 1=Blocked, 5=All Blocked
- name: media.autoplay.default
  type: int32_t
  value: 1
  mirror: always

# Wether to block autoplay for webaudio
- name: media.autoplay.block-webaudio
  type: bool
  value: true
  mirror: always

# File-backed MediaCache size.
- name: media.cache_size
  type: RelaxedAtomicUint32
  value: 512000   # Measured in KiB
  mirror: always

# Size of file backed MediaCache while on a connection which is cellular (3G,
# etc), and thus assumed to be "expensive".
- name: media.cache_size.cellular
  type: RelaxedAtomicUint32
  value: 32768   # Measured in KiB
  mirror: always

# Whether cubeb is sandboxed (AudioIPC)
- name: media.cubeb.sandbox
  type: bool
  mirror: always
#if defined(XP_LINUX) && !defined(MOZ_WIDGET_ANDROID) || defined(XP_WIN) || defined(XP_MACOSX)
  value: true
#else
  value: false
#endif

# Whether or not to pass AUDCLNT_STREAMOPTIONS_RAW when initializing audio
# streams when using WASAPI.
# 0 - don't use RAW streams
# 1 - use RAW streams for input streams only
# 2 - use RAW streams for output streams only
# 3 - use RAW streams for input and output streams
#if defined (XP_WIN)
- name: media.cubeb.wasapi-raw
  type: RelaxedAtomicUint32
  mirror: always
  value: 0
#endif // XP_WIN

# Whether to make the start of cubeb stream slower, and by how many
# milliseconds.
- name: media.cubeb.slow_stream_init_ms
  type: RelaxedAtomicUint32
  mirror: always
  value: 0

# ClockDrift desired buffering in milliseconds
- name: media.clockdrift.buffering
  type: RelaxedAtomicUint32
  mirror: always
  value: 50

# If a resource is known to be smaller than this size (in kilobytes), a
# memory-backed MediaCache may be used; otherwise the (single shared global)
# file-backed MediaCache is used.
- name: media.memory_cache_max_size
  type: uint32_t
  value: 8192        # Measured in KiB
  mirror: always

# Don't create more memory-backed MediaCaches if their combined size would go
# above this absolute size limit.
- name: media.memory_caches_combined_limit_kb
  type: uint32_t
  value: 524288
  mirror: always

# Don't create more memory-backed MediaCaches if their combined size would go
# above this relative size limit (a percentage of physical memory).
- name: media.memory_caches_combined_limit_pc_sysmem
  type: uint32_t
  value: 5           # A percentage
  mirror: always

# When a network connection is suspended, don't resume it until the amount of
# buffered data falls below this threshold (in seconds).
- name: media.cache_resume_threshold
  type: RelaxedAtomicUint32
  value: 30
  mirror: always
- name: media.cache_resume_threshold.cellular
  type: RelaxedAtomicUint32
  value: 10
  mirror: always

# Stop reading ahead when our buffered data is this many seconds ahead of the
# current playback position. This limit can stop us from using arbitrary
# amounts of network bandwidth prefetching huge videos.
- name: media.cache_readahead_limit
  type: RelaxedAtomicUint32
  value: 60
  mirror: always
- name: media.cache_readahead_limit.cellular
  type: RelaxedAtomicUint32
  value: 30
  mirror: always

# MediaCapabilities
- name: media.mediacapabilities.drop-threshold
  type: RelaxedAtomicInt32
  value: 95
  mirror: always

- name: media.mediacapabilities.from-database
  type: RelaxedAtomicBool
  value: @IS_NIGHTLY_BUILD@
  mirror: always

# AudioSink
- name: media.resampling.enabled
  type: RelaxedAtomicBool
  value: false
  mirror: always

# libcubeb backend implements .get_preferred_channel_layout
- name: media.forcestereo.enabled
  type: RelaxedAtomicBool
#if defined(XP_WIN) || defined(XP_DARWIN) || defined(MOZ_PULSEAUDIO)
  value: false
#else
  value: true
#endif
  mirror: always

# MediaSource

# Whether to enable MediaSource support.
- name: media.mediasource.enabled
  type: RelaxedAtomicBool
  value: true
  mirror: always

- name: media.mediasource.mp4.enabled
  type: RelaxedAtomicBool
  value: true
  mirror: always

- name: media.mediasource.webm.enabled
  type: RelaxedAtomicBool
  value: true
  mirror: always

# Check if vp9 is enabled by default in mediasource. False on Android.
# If disabled, vp9 will only be enabled under some conditions:
# - h264 HW decoding is not supported
# - mp4 is not enabled
# - Device was deemed fast enough to decode VP9 via the VP9Benchmark utility
# - A VP9 HW decoder is present.
- name: media.mediasource.vp9.enabled
  type: RelaxedAtomicBool
  value: @IS_NOT_ANDROID@
  mirror: always

- name: media.mediasource.webm.audio.enabled
  type: RelaxedAtomicBool
  value: true
  mirror: always

# Whether to enable MediaSource v2 support.
- name: media.mediasource.experimental.enabled
  type: RelaxedAtomicBool
  value: false
  mirror: always

# VideoSink
- name: media.ruin-av-sync.enabled
  type: RelaxedAtomicBool
  value: false
  mirror: always

# Encrypted Media Extensions
- name: media.eme.enabled
  type: bool
#if defined(XP_LINUX) && !defined(MOZ_WIDGET_ANDROID)
  # On Linux EME is visible but disabled by default. This is so that the "Play
  # DRM content" checkbox in the Firefox UI is unchecked by default. DRM
  # requires downloading and installing proprietary binaries, which users on an
  # open source operating systems didn't opt into. The first time a site using
  # EME is encountered, the user will be prompted to enable DRM, whereupon the
  # EME plugin binaries will be downloaded if permission is granted.
  value: false
#else
  value: true
#endif
  mirror: always

# Whether we expose the functionality proposed in
# https://github.com/WICG/encrypted-media-encryption-scheme/blob/master/explainer.md
# I.e. if true, apps calling navigator.requestMediaKeySystemAccess() can pass
# an optional encryption scheme as part of MediaKeySystemMediaCapability
# objects. If a scheme is present when we check for support, we must ensure we
# support that scheme in order to provide key system access.
- name: media.eme.encrypted-media-encryption-scheme.enabled
  type: bool
  value: false
  mirror: always

# Do we need explicit approval from the application to allow access to EME?
# If true, Gecko will ask for permission before allowing MediaKeySystemAccess.
# At time of writing this is aimed at GeckoView, and setting this to true
# outside of GeckoView or test environments will likely break EME.
- name: media.eme.require-app-approval
  type: bool
  value: false
  mirror: always

- name: media.eme.audio.blank
  type: RelaxedAtomicBool
  value: false
  mirror: always

- name: media.eme.video.blank
  type: RelaxedAtomicBool
  value: false
  mirror: always

- name: media.eme.chromium-api.video-shmems
  type: RelaxedAtomicUint32
  value: 6
  mirror: always

# Is support for MediaKeys.getStatusForPolicy enabled?
- name: media.eme.hdcp-policy-check.enabled
  type: bool
  value: false
  mirror: always

- name: media.eme.max-throughput-ms
  type: RelaxedAtomicUint32
  value: 500
  mirror: always

- name: media.clearkey.persistent-license.enabled
  type: bool
  value: false
  mirror: always

# Are test specific clearkey key systems enabled and exposed?
- name: media.clearkey.test-key-systems.enabled
  type: bool
  value: false
  mirror: always

- name: media.cloneElementVisually.testing
  type: bool
  value: false
  mirror: always

#if defined(XP_LINUX) && defined(MOZ_SANDBOX)
  # Whether to allow, on a Linux system that doesn't support the necessary
  # sandboxing features, loading Gecko Media Plugins unsandboxed.  However, EME
  # CDMs will not be loaded without sandboxing even if this pref is changed.
-   name: media.gmp.insecure.allow
    type: RelaxedAtomicBool
    value: false
    mirror: always
#endif

# (When reading the next line, know that preprocessor.py doesn't
# understand parentheses, but && is higher precedence than ||.)
#if defined(XP_WIN) && defined(_ARM64_) || defined(XP_MACOSX)
  # These prefs control whether or not we will allow x86/x64 plugins
  # to run on Windows ARM or Apple Silicon machines. This requires
  # launching the GMP child process executable in x86/x64 mode. We
  # expect to allow this for Widevine until an arm64 version of
  # Widevine and Clearkey is made available. We don't expect to need
  # to allow this for OpenH264.
  #
  # For Apple Silicon and OSX, it will be for universal builds and
  # whether or not it can use the x64 Widevine plugin.
  #
  # For Windows ARM, it will be for ARM builds and whether or not it
  # can use x86 Widevine or Clearkey plugins.

  # May a Widevine GMP x64 process be executed on ARM builds.
- name: media.gmp-widevinecdm.allow-x64-plugin-on-arm64
  type: RelaxedAtomicBool
  value: true
  mirror: always

  # May an OpenH264 GMP x64 process be executed on ARM builds.
- name: media.gmp-gmpopenh264.allow-x64-plugin-on-arm64
  type: RelaxedAtomicBool
  value: false
  mirror: always

  # May a Clearkey GMP x64 process be executed on ARM builds.
- name: media.gmp-gmpclearkey.allow-x64-plugin-on-arm64
  type: RelaxedAtomicBool
  value: false
  mirror: always
#endif

# Specifies whether the PDMFactory can create a test decoder that just outputs
# blank frames/audio instead of actually decoding. The blank decoder works on
# all platforms.
- name: media.use-blank-decoder
  type: RelaxedAtomicBool
  value: false
  mirror: always

- name: media.gpu-process-decoder
  type: RelaxedAtomicBool
#if defined(XP_WIN)
  value: true
#else
  value: false
#endif
  mirror: always

- name: media.rdd-process.enabled
  type: RelaxedAtomicBool
#if defined(XP_WIN)
  value: true
#elif defined(XP_MACOSX)
  value: true
#elif defined(XP_LINUX) && !defined(ANDROID)
  value: true
#elif defined(XP_FREEBSD)
  value: true
#elif defined(XP_OPENBSD)
  value: true
#else
  value: false
#endif
  mirror: always

- name: media.rdd-retryonfailure.enabled
  type: RelaxedAtomicBool
  value: true
  mirror: always

- name: media.rdd-process.startup_timeout_ms
  type: RelaxedAtomicInt32
  value: 5000
  mirror: always

# Specifies how many times we restart RDD process after crash till we give up.
# After first RDD restart we disable HW acceleration on Linux.
- name: media.rdd-process.max-crashes
  type: RelaxedAtomicInt32
  value: 2
  mirror: always

#ifdef MOZ_FFMPEG
- name: media.rdd-ffmpeg.enabled
  type: RelaxedAtomicBool
  value: true
  mirror: always
#endif

#ifdef MOZ_FFVPX
- name: media.rdd-ffvpx.enabled
  type: RelaxedAtomicBool
#if defined(XP_WIN)
  value: true
#elif defined(XP_MACOSX)
  value: true
#elif defined(XP_LINUX) && !defined(ANDROID)
  value: true
#elif defined(XP_FREEBSD)
  value: true
#elif defined(XP_OPENBSD)
  value: true
#else
  value: false
#endif
  mirror: always
#endif

#ifdef MOZ_WMF
- name: media.rdd-wmf.enabled
  type: RelaxedAtomicBool
  value: true
  mirror: always
#endif

#ifdef MOZ_APPLEMEDIA
- name: media.rdd-applemedia.enabled
  type: RelaxedAtomicBool
  value: true
  mirror: always
#endif

- name: media.rdd-theora.enabled
  type: RelaxedAtomicBool
#if defined(XP_WIN)
  value: true
#elif defined(XP_MACOSX)
  value: true
#elif defined(XP_LINUX) && !defined(ANDROID)
  value: true
#elif defined(XP_FREEBSD)
  value: true
#elif defined(XP_OPENBSD)
  value: true
#else
  value: false
#endif
  mirror: always

- name: media.rdd-vorbis.enabled
  type: RelaxedAtomicBool
#if defined(XP_WIN)
  value: true
#elif defined(XP_MACOSX)
  value: true
#elif defined(XP_LINUX) && !defined(ANDROID)
  value: true
#elif defined(XP_FREEBSD)
  value: true
#elif defined(XP_OPENBSD)
  value: true
#else
  value: false
#endif
  mirror: always

- name: media.rdd-vpx.enabled
  type: RelaxedAtomicBool
#if defined(XP_WIN)
  value: true
#elif defined(XP_MACOSX)
  value: true
#elif defined(XP_LINUX) && !defined(ANDROID)
  value: true
#elif defined(XP_FREEBSD)
  value: true
#elif defined(XP_OPENBSD)
  value: true
#else
  value: false
#endif
  mirror: always

- name: media.rdd-wav.enabled
  type: RelaxedAtomicBool
#if defined(XP_WIN)
  value: true
#elif defined(XP_MACOSX)
  value: true
#elif defined(XP_LINUX) && !defined(ANDROID)
  value: true
#elif defined(XP_FREEBSD)
  value: true
#elif defined(XP_OPENBSD)
  value: true
#else
  value: false
#endif
  mirror: always

- name: media.rdd-opus.enabled
  type: RelaxedAtomicBool
#if defined(XP_WIN)
  value: true
#elif defined(XP_MACOSX)
  value: true
#elif defined(XP_LINUX) && !defined(ANDROID)
  value: true
#elif defined(XP_FREEBSD)
  value: true
#elif defined(XP_OPENBSD)
  value: true
#else
  value: false
#endif
  mirror: always

- name: media.rdd-webaudio.batch.size
  type: RelaxedAtomicInt32
  value: 100
  mirror: always

# This pref is here to control whether we want to perform audio decoding by
# using the IPC actor within the Utility process rather than the RDD process.
# When it is set to true, then the utility process will take precedence over RDD
# to perform audio decoding.
# TODO: Enabling for Isolated Processes builds on Android
- name: media.utility-process.enabled
  type: RelaxedAtomicBool
#if defined(XP_WIN)
  value: true
#elif defined(XP_MACOSX)
  value: true
#elif defined(XP_LINUX) && !defined(ANDROID)
  value: true
#elif defined(ANDROID) && !defined(MOZ_ANDROID_CONTENT_SERVICE_ISOLATED_PROCESS)
  value: true
#elif defined(XP_OPENBSD)
  value: true
#else
  value: false
#endif
  mirror: always

# Specifies how many times we restart Utility process after crash till we give
# up.
- name: media.utility-process.max-crashes
  type: RelaxedAtomicInt32
  value: 2
  mirror: always

#ifdef MOZ_FFMPEG
- name: media.utility-ffmpeg.enabled
  type: RelaxedAtomicBool
  value: true
  mirror: always
#endif

#ifdef MOZ_FFVPX
- name: media.utility-ffvpx.enabled
  type: RelaxedAtomicBool
  value: true
  mirror: always
#endif

#ifdef MOZ_WMF
- name: media.utility-wmf.enabled
  type: RelaxedAtomicBool
  value: true
  mirror: always
#endif

#ifdef MOZ_APPLEMEDIA
- name: media.utility-applemedia.enabled
  type: RelaxedAtomicBool
  value: true
  mirror: always
#endif

- name: media.utility-vorbis.enabled
  type: RelaxedAtomicBool
  value: true
  mirror: always

- name: media.utility-wav.enabled
  type: RelaxedAtomicBool
  value: true
  mirror: always

- name: media.utility-opus.enabled
  type: RelaxedAtomicBool
  value: true
  mirror: always

#ifdef ANDROID
  # Enable the MediaCodec PlatformDecoderModule by default.
-   name: media.android-media-codec.enabled
    type: RelaxedAtomicBool
    value: true
    mirror: always

  # Bug 1771196
  # Dont yet enable AndroidDecoderModule on Utility
-   name: media.utility-android-media-codec.enabled
    type: RelaxedAtomicBool
    value: false
    mirror: always

-   name: media.android-media-codec.preferred
    type: RelaxedAtomicBool
    value: true
    mirror: always
#endif  # ANDROID

#ifdef MOZ_OMX
-   name: media.omx.enabled
    type: bool
    value: false
    mirror: always
#endif

# Allow ffmpeg decoder to decode directly onto shmem buffer
- name: media.ffmpeg.customized-buffer-allocation
  type: RelaxedAtomicBool
  value: true
  mirror: always

#ifdef MOZ_FFMPEG
-   name: media.ffmpeg.enabled
    type: RelaxedAtomicBool
  #if defined(XP_MACOSX)
    value: false
  #else
    value: true
  #endif
    mirror: always

-   name: media.libavcodec.allow-obsolete
    type: bool
    value: false
    mirror: always
#endif  # MOZ_FFMPEG

#if defined(MOZ_FFMPEG) || defined(MOZ_FFVPX)
# Allow using openh264 decoding with ffmpeg
-   name: media.ffmpeg.allow-openh264
    type: RelaxedAtomicBool
    value: @IS_NOT_NIGHTLY_BUILD@
    mirror: always
#endif  # MOZ_FFMPEG || MOZ_FFVPX

#ifdef MOZ_WIDGET_GTK
# Use VA-API for ffmpeg video playback on Linux
- name: media.ffmpeg.vaapi.enabled
  type: bool
  value: false
  mirror: once

# Force to copy dmabuf video frames
# Used for debugging/troubleshooting only
# 0 - force disable
# 1 - force enable
# 2 - default
- name: media.ffmpeg.vaapi.force-surface-zero-copy
  type: uint32_t
  value: 2
  mirror: once
#endif # MOZ_WIDGET_GTK

-   name: media.ffvpx.enabled
    type: RelaxedAtomicBool
#ifdef MOZ_FFVPX
    value: true
#else
    value: false
#endif
    mirror: always

-   name: media.ffvpx.mp3.enabled
    type: RelaxedAtomicBool
#ifdef MOZ_FFVPX
    value: true
#else
    value: false
#endif
    mirror: always

# Set to true in marionette tests to disable the sanity test
# which would lead to unnecessary start of the RDD process.
-   name: media.sanity-test.disabled
    type: RelaxedAtomicBool
    value: false
    mirror: always

#ifdef MOZ_WMF

-   name: media.wmf.enabled
    type: RelaxedAtomicBool
    value: true
    mirror: always

  # Whether DD should consider WMF-disabled a WMF failure, useful for testing.
-   name: media.decoder-doctor.wmf-disabled-is-failure
    type: RelaxedAtomicBool
    value: false
    mirror: always

-   name: media.wmf.dxva.d3d11.enabled
    type: RelaxedAtomicBool
    value: true
    mirror: always

-   name: media.wmf.dxva.max-videos
    type: RelaxedAtomicUint32
    value: 8
    mirror: always

-   name: media.wmf.dxva.d3d9.amd-pre-uvd4.disabled
    type: RelaxedAtomicBool
    value: true
    mirror: always

-   name: media.wmf.use-nv12-format
    type: RelaxedAtomicBool
    value: true
    mirror: always

-   name: media.wmf.zero-copy-nv12-textures
    type: bool
    value: true
    mirror: once
# Enable hardware decoded video no copy even when it is blocked.
-   name: media.wmf.zero-copy-nv12-textures-force-enabled
    type: bool
    value: false
    mirror: once

-   name: media.wmf.force.allow-p010-format
    type: RelaxedAtomicBool
    value: false
    mirror: always

-   name: media.wmf.use-sync-texture
    type: bool
    value: true
    mirror: once

-   name: media.wmf.low-latency.enabled
    type: RelaxedAtomicBool
    value: false
    mirror: always

-   name: media.wmf.low-latency.force-disabled
    type: RelaxedAtomicBool
    value: false
    mirror: always

-   name: media.wmf.skip-blacklist
    type: RelaxedAtomicBool
    value: false
    mirror: always

-   name: media.wmf.amd.highres.enabled
    type: RelaxedAtomicBool
    value: true
    mirror: always

-   name: media.wmf.allow-unsupported-resolutions
    type: RelaxedAtomicBool
    value: false
    mirror: always

-   name: media.wmf.vp9.enabled
    type: RelaxedAtomicBool
    value: true
    mirror: always

-   name: media.wmf.av1.enabled
    type: RelaxedAtomicBool
    value: true
    mirror: always

# Using Windows Media Foundation Media Engine for encrypted playback
# 0 : disable, 1 : enable for encrypted and clear,
# 2 : enable for encrypted only, 3 : enable for clear only
-   name: media.wmf.media-engine.enabled
    type: RelaxedAtomicUint32
    value: 0
    mirror: always

# Testing purpose, enable media engine on channel decoder as well.
-   name: media.wmf.media-engine.channel-decoder.enabled
    type: RelaxedAtomicBool
    value: false
    mirror: always

# The amount of video raw data the engine stream will queue
-   name: media.wmf.media-engine.raw-data-threshold.video
    type: RelaxedAtomicInt32
    value: 500000
    mirror: always

# The amount of audio raw data the engine stream will queue
-   name: media.wmf.media-engine.raw-data-threshold.audio
    type: RelaxedAtomicInt32
    value: 2000000
    mirror: always

# Specifies how many times we restart MFCDM process after crash till we give up.
-   name: media.wmf.media-engine.max-crashes
    type: RelaxedAtomicInt32
    value: 2
    mirror: always

# Enable PlayReady DRM for EME
-   name: media.eme.playready.enabled
    type: RelaxedAtomicBool
#if defined(MOZ_WMF_CDM) && defined(NIGHTLY_BUILD)
    value: false # TODO: enable this when ready to play.
#else
    value: false
#endif
    mirror: always

#endif  # MOZ_WMF

- name: media.decoder-doctor.testing
  type: bool
  value: false
  mirror: always

- name: media.hardware-video-decoding.enabled
  type: bool
  value: true
  mirror: once

- name: media.hardware-video-decoding.force-enabled
  type: bool
  value: false
  mirror: once

# Whether to check the decoder supports recycling.
- name: media.decoder.recycle.enabled
  type: RelaxedAtomicBool
  value: @IS_ANDROID@
  mirror: always

# Should MFR try to skip to the next key frame?
- name: media.decoder.skip-to-next-key-frame.enabled
  type: RelaxedAtomicBool
  value: true
  mirror: always

# When video continues later than the current media time for this period of
# time, then it will trigger skip-to-next-keyframe mechanism. As this aims to
# solve the drop frames issue where video decoding too slow for high
# resolution videos. eg. 4k+. Therefore, the value is is determined by the
# telemetry probe `video_inter_keyframe_max_ms` in the key of `AV,h>2160` which
# shows that 95% video's key frame interval are less than ~5000. We use its
# half value as a threashold to decide whether we should keep decoding in the
# current video position or jump to the next keyframe in order to decode future
# frames in advance.
- name: media.decoder.skip_when_video_too_slow_ms
  type: RelaxedAtomicInt32
  value: 2500
  mirror: always

# True if we want to decode in batches.
- name: media.gmp.decoder.decode_batch
  type: RelaxedAtomicBool
  value: false
  mirror: always

# True if we allow use of any decoders found in GMP plugins.
- name: media.gmp.decoder.enabled
  type: RelaxedAtomicBool
  value: true
  mirror: always

# True if we want to request the multithreaded GMP decoder.
- name: media.gmp.decoder.multithreaded
  type: RelaxedAtomicBool
  value: false
  mirror: always

# True if we want to try using the GMP plugin decoders first.
- name: media.gmp.decoder.preferred
  type: RelaxedAtomicBool
  value: false
  mirror: always

# True if we want to reorder frames from the decoder based on the timestamp.
- name: media.gmp.decoder.reorder_frames
  type: RelaxedAtomicBool
  value: true
  mirror: always

# Whether to suspend decoding of videos in background tabs.
- name: media.suspend-bkgnd-video.enabled
  type: RelaxedAtomicBool
  value: true
  mirror: always

# Delay, in ms, from time window goes to background to suspending
# video decoders. Defaults to 10 seconds.
- name: media.suspend-bkgnd-video.delay-ms
  type: RelaxedAtomicUint32
  value: 10000
  mirror: always

- name: media.dormant-on-pause-timeout-ms
  type: RelaxedAtomicInt32
  value: 5000
  mirror: always

# AudioTrack and VideoTrack support
- name: media.track.enabled
  type: bool
  value: false
  mirror: always

# This pref disables the reception of RTCP. It is used for testing.
- name: media.webrtc.net.force_disable_rtcp_reception
  type: ReleaseAcquireAtomicBool
  value: false
  mirror: always

# TextTrack WebVTT Region extension support.
- name: media.webvtt.regions.enabled
  type: bool
  value: true
  mirror: always

# This pref controls whether dispatch testing-only events.
- name: media.webvtt.testing.events
  type: bool
  value: true
  mirror: always

- name: media.webspeech.synth.force_global_queue
  type: bool
  value: false
  mirror: always

- name: media.webspeech.test.enable
  type: bool
  value: false
  mirror: always

- name: media.webspeech.test.fake_fsm_events
  type: bool
  value: false
  mirror: always

- name: media.webspeech.test.fake_recognition_service
  type: bool
  value: false
  mirror: always

#ifdef MOZ_WEBSPEECH
-   name: media.webspeech.recognition.enable
    type: bool
    value: false
    mirror: always
#endif

- name: media.webspeech.recognition.force_enable
  type: bool
  value: false
  mirror: always

#ifdef MOZ_WEBSPEECH
-   name: media.webspeech.synth.enabled
    type: bool
    value: false
    mirror: always
#endif  # MOZ_WEBSPEECH

- name: media.encoder.webm.enabled
  type: RelaxedAtomicBool
  value: true
  mirror: always

- name: media.audio-max-decode-error
  type: uint32_t
#if defined(RELEASE_OR_BETA)
  value: 3
#else
  # Zero tolerance in pre-release builds to detect any decoder regression.
  value: 0
#endif
  mirror: always

- name: media.video-max-decode-error
  type: uint32_t
#if defined(RELEASE_OR_BETA)
  value: 2
#else
  # Zero tolerance in pre-release builds to detect any decoder regression.
  value: 0
#endif
  mirror: always

# Are video stats enabled? (Disabling can help prevent fingerprinting.)
- name: media.video_stats.enabled
  type: bool
  value: true
  mirror: always

# forces the number of dropped frames to 0
- name: media.video.dropped_frame_stats.enabled
  type: bool
  value: true
  mirror: always

# Opus
- name: media.opus.enabled
  type: RelaxedAtomicBool
  value: true
  mirror: always

# Wave
- name: media.wave.enabled
  type: RelaxedAtomicBool
  value: true
  mirror: always

# Ogg
- name: media.ogg.enabled
  type: RelaxedAtomicBool
  value: true
  mirror: always

# WebM
- name: media.webm.enabled
  type: RelaxedAtomicBool
  value: true
  mirror: always

# AV1
- name: media.av1.enabled
  type: RelaxedAtomicBool
#if defined(XP_WIN) && !defined(_ARM64_)
  value: true
#elif defined(XP_MACOSX)
  value: true
#elif defined(MOZ_WIDGET_ANDROID)
  value: true
#elif defined(XP_UNIX)
  value: true
#else
  value: false
#endif
  mirror: always

- name: media.av1.use-dav1d
  type: RelaxedAtomicBool
#if defined(XP_WIN) && !defined(_ARM64_)
  value: true
#elif defined(XP_MACOSX)
  value: true
#elif defined(XP_UNIX)
  value: true
#else
  value: false
#endif
  mirror: always

- name: media.av1.new-thread-count-strategy
  type: RelaxedAtomicBool
  value: false
  mirror: always

- name: media.av1.force-thread-count
  type: RelaxedAtomicInt32
  value: 0
  mirror: always

- name: media.flac.enabled
  type: RelaxedAtomicBool
  value: true
  mirror: always

# Hls
- name: media.hls.enabled
  type: RelaxedAtomicBool
  value: @IS_ANDROID@
  mirror: always

# Max number of HLS players that can be created concurrently. Used only on
# Android and when "media.hls.enabled" is true.
#ifdef ANDROID
-   name: media.hls.max-allocations
    type: uint32_t
    value: 20
    mirror: always
#endif

- name: media.mp4.enabled
  type: RelaxedAtomicBool
#ifdef MOZ_FMP4
  value: true
#else
  value: false
#endif
  mirror: always

- name: media.mp4.sniff_iso_brand
  type: RelaxedAtomicBool
  value: true
  mirror: always

# Error/warning handling, Decoder Doctor.
#
# Set to true to force demux/decode warnings to be treated as errors.
- name: media.playback.warnings-as-errors
  type: RelaxedAtomicBool
  value: false
  mirror: always

# Resume video decoding when the cursor is hovering on a background tab to
# reduce the resume latency and improve the user experience.
- name: media.resume-bkgnd-video-on-tabhover
  type: bool
  value: true
  mirror: always

- name: media.videocontrols.lock-video-orientation
  type: bool
  value: false
  mirror: always

# Media Seamless Looping
- name: media.seamless-looping
  type: RelaxedAtomicBool
  value: true
  mirror: always

- name: media.seamless-looping-video
  type: RelaxedAtomicBool
  value: true
  mirror: always

- name: media.autoplay.block-event.enabled
  type: bool
  value: false
  mirror: always

- name: media.media-capabilities.enabled
  type: RelaxedAtomicBool
  value: true
  mirror: always

- name: media.media-capabilities.screen.enabled
  type: RelaxedAtomicBool
  value: false
  mirror: always

- name: media.benchmark.vp9.fps
  type: RelaxedAtomicUint32
  value: 0
  mirror: always

- name: media.benchmark.vp9.threshold
  type: RelaxedAtomicUint32
  value: 150
  mirror: always

- name: media.benchmark.vp9.versioncheck
  type: RelaxedAtomicUint32
  value: 0
  mirror: always

- name: media.benchmark.frames
  type: RelaxedAtomicUint32
  value: 300
  mirror: always

- name: media.benchmark.timeout
  type: RelaxedAtomicUint32
  value: 1000
  mirror: always

- name: media.test.video-suspend
  type: RelaxedAtomicBool
  value: false
  mirror: always

# MediaCapture prefs follow

# Enables navigator.mediaDevices and getUserMedia() support. See also
# media.peerconnection.enabled
- name: media.navigator.enabled
  type: bool
  value: true
  mirror: always

# This pref turns off window-focus checks on the navigator.mediaDevices methods,
# for partner testing frameworks.
# Prefer "focusmanager.testmode", which is already set by default for
# web-platform tests.
- name: media.devices.unfocused.enabled
  type: bool
  value: false
  mirror: always

# This pref turns off [SecureContext] on the navigator.mediaDevices object, for
# more compatible legacy behavior.
- name: media.devices.insecure.enabled
  type: bool
  value: false
  mirror: always

# If the above pref is also enabled, this pref enabled getUserMedia() support
# in http, bypassing the instant NotAllowedError you get otherwise.
- name: media.getusermedia.insecure.enabled
  type: bool
  value: false
  mirror: always

# Enable tab sharing
- name: media.getusermedia.browser.enabled
  type: RelaxedAtomicBool
  value: false
  mirror: always

# The getDisplayMedia method is always SecureContext regardless of the above two
# prefs. But it is not implemented on android, and can be turned off elsewhere.
- name: media.getdisplaymedia.enabled
  type: bool
  value: @IS_NOT_ANDROID@
  mirror: always

# Turn off any cameras (but not mics) while in the background. This is desirable
# on mobile.
- name: media.getusermedia.camera.background.mute.enabled
  type: bool
  value: @IS_ANDROID@
  mirror: always

# Use the libwebrtc AVFoundation camera backend on Mac by default. When
# disabled, an older forked capture module is used.
- name: media.getusermedia.camera.macavf.enabled
  type: bool
  value: true
  mirror: once

# This pref turns on legacy (non-spec) exposure of camera and microphone
# information from enumerateDevices and devicechange ahead of successful
# getUserMedia calls. Should only be turned on to resolve web compat issues,
# since doing so reveals more user fingerprinting information to trackers.
#
# In this mode, camera and microphone device labels are exposed if the site has a
# persisted permission to either kind, as well as while actively capturing either
# kind (temporary and tab-specific grace-period permissions do not count).
#
# Planned next steps: true → @IS_NOT_NIGHTLY_BUILD@ → false
- name: media.devices.enumerate.legacy.enabled
  type: bool
  value: true
  mirror: always

# WebRTC prefs follow

# Enables RTCPeerConnection support. Note that, when true, this pref enables
# navigator.mediaDevices and getUserMedia() support as well.
# See also media.navigator.enabled
- name: media.peerconnection.enabled
  type: bool
  value: true
  mirror: always

- name: media.peerconnection.dtmf.enabled
  type: bool
  value: true
  mirror: always

- name: media.peerconnection.identity.enabled
  type: bool
  value: true
  mirror: always

#ifdef MOZ_WEBRTC
  # Use MediaDataDecoder API for VP8/VP9 in WebRTC. This includes hardware
  # acceleration for decoding.
-   name: media.navigator.mediadatadecoder_vpx_enabled
    type: RelaxedAtomicBool
#if defined(NIGHTLY_BUILD) || defined(MOZ_WIDGET_GTK)
    value: true
#else
    value: false
#endif
    mirror: always

  # Use MediaDataDecoder API for H264 in WebRTC. This includes hardware
  # acceleration for decoding.
-   name: media.navigator.mediadatadecoder_h264_enabled
    type: RelaxedAtomicBool
  #if defined(_ARM64_) && defined(XP_WIN)
    value: false
  #else
    value: true
  #endif
    mirror: always

#if defined(MOZ_WIDGET_GTK)
  # Use hardware acceleration for VP8 decoding on Linux.
-   name: media.navigator.mediadatadecoder_vp8_hardware_enabled
    type: RelaxedAtomicBool
    value: false
    mirror: always
#endif

  # Interval in milliseconds at which to gather WebRTC stats for use in about:webrtc.
-   name: media.aboutwebrtc.hist.poll_interval_ms
    type: RelaxedAtomicUint32
    value: 250
    mirror: always

  # History time depth in seconds to keep for webrtc:stats for use in about:webrtc.
-   name: media.aboutwebrtc.hist.storage_window_s
    type: RelaxedAtomicUint32
    value: 60
    mirror: always

  # Time in minutes to retain peer connection stats after closing.
-   name: media.aboutwebrtc.hist.prune_after_m
    type: RelaxedAtomicUint32
    value: 60 * 24 * 2
    mirror: always

  # Max number of closed PC stats histories to retain
-   name: media.aboutwebrtc.hist.closed_stats_to_retain
    type: RelaxedAtomicUint32
    value: 8
    mirror: always

  # Gather PeerConnection stats history for display in about:webrtc. If
  # disabled history will only gather when about:webrtc is open. Additionally,
  # if disabled and when about:webrtc is not in the foreground history data
  # will become sparse.
-   name: media.aboutwebrtc.hist.enabled
    type: RelaxedAtomicBool
#if defined(MOZ_WIDGET_ANDROID)
    value: false
#else
    value: @IS_NIGHTLY_BUILD@
#endif
    mirror: always

#endif  # MOZ_WEBRTC

# HTMLMediaElement.allowedToPlay should be exposed to web content when
# block autoplay rides the trains to release. Until then, Nightly only.
- name: media.allowed-to-play.enabled
  type: bool
  value: @IS_NIGHTLY_BUILD@
  mirror: always

# Is support for MediaDevices.ondevicechange enabled?
- name: media.ondevicechange.enabled
  type: bool
  value: true
  mirror: always

# Is support for HTMLMediaElement.seekToNextFrame enabled?
- name: media.seekToNextFrame.enabled
  type: bool
  value: true
  mirror: always

# setSinkId will be enabled in bug 1498512. Till then the
# implementation will remain hidden behind this pref (Bug 1152401, Bug 934425).
- name: media.setsinkid.enabled
  type: bool
#if defined(MOZ_WIDGET_ANDROID)
  value: false # bug 1473346
#else
  value: @IS_NIGHTLY_BUILD@
#endif
  mirror: always

# Turn on this pref can enable test-only events for media element.
- name: media.testing-only-events
  type: bool
  value: false
  mirror: always

- name: media.useAudioChannelService.testing
  type: bool
  value: false
  mirror: always

- name: media.audioFocus.management
  type: bool
#if defined(MOZ_WIDGET_ANDROID)
  value: true
#else
  value: false
#endif
  mirror: always

- name: media.hardwaremediakeys.enabled
  type: bool
  value: true
  mirror: always

# If this pref is on, then `media.mediacontrol.stopcontrol.timer.ms` would take
# effect and determine the timing to stop controlling media.
- name: media.mediacontrol.stopcontrol.timer
  type: bool
  value: true
  mirror: always

# If media is being paused after a certain period, then we would think that
# media doesn't need to be controlled anymore. Therefore, that media would stop
# listening to the media control key events. The value of this pref is how long
# media would stop listening to the event after it's paused. The default value
# is set to 24 hrs (24*60*60*1000)
- name: media.mediacontrol.stopcontrol.timer.ms
  type: RelaxedAtomicUint32
  value: 86400000
  mirror: always

# If this pref is on, we would stop controlling media after it reaches to the
# end.
- name: media.mediacontrol.stopcontrol.aftermediaends
  type: bool
  value: true
  mirror: always

# We would only use media control to control media which duration is longer
# than this value.
- name: media.mediacontrol.eligible.media.duration.s
  type: AtomicFloat
  value: 3.0f
  mirror: always

- name: media.webrtc.platformencoder
  type: RelaxedAtomicBool
#if defined(MOZ_WIDGET_ANDROID)
  value: true
#else
  value: @IS_EARLY_BETA_OR_EARLIER@
#endif
  mirror: always

- name: media.webrtc.platformencoder.sw_only
  type: RelaxedAtomicBool
#if defined(MOZ_WIDGET_ANDROID)
  value: false
#else
  value: true
#endif
  mirror: always

- name: media.webrtc.software_encoder.fallback
  type: RelaxedAtomicBool
#if !defined(MOZ_WIDGET_GTK)
  value: true
#else
  value: false
#endif
  mirror: always

#if defined(XP_MACOSX)
- name: media.webrtc.capture.allow-iosurface
  type: RelaxedAtomicBool
  value: true
  mirror: always
#endif

#if defined(XP_WIN)
- name: media.webrtc.capture.allow-directx
  type: RelaxedAtomicBool
  value: true
  mirror: always

- name: media.webrtc.capture.allow-wgc
  type: RelaxedAtomicBool
  value: @IS_EARLY_BETA_OR_EARLIER@
  mirror: always
#endif

#if defined(MOZ_WIDGET_GTK)
- name: media.webrtc.capture.allow-pipewire
  type: RelaxedAtomicBool
  value: true
  mirror: always
#endif

- name: media.block-autoplay-until-in-foreground
  type: bool
#if !defined(MOZ_WIDGET_ANDROID)
  value: true
#else
  value: false
#endif
  mirror: always

- name: media.webrtc.hw.h264.enabled
  type: bool
#if defined(MOZ_WIDGET_ANDROID)
  value: true
#else
  value: false
#endif
  mirror: always

 # If true, then we require explicit approval from the embedding app (ex. Fenix)
 # on GeckoView to know if we can allow audible, inaudible media or both kinds
 # of media to autoplay.
- name: media.geckoview.autoplay.request
  type: bool
  value: false
  mirror: always

 # This is used in testing only, in order to skip the prompting process. This
 # pref works only when enabling the pref `media.geckoview.autoplay.request`.
 # 0=prompt as normal, 1=allow all, 2=deny all, 3=allow audible request,
 # 4=deny audible request, 5=allow inaudible request, 6=deny inaudible request.
 # 7=leave all requests pending.
- name: media.geckoview.autoplay.request.testing
  type: uint32_t
  value: 0
  mirror: always

- name: media.mediacontrol.testingevents.enabled
  type: bool
  value: false
  mirror: always

#if defined(XP_MACOSX)
- name: media.macos.screenrecording.oscheck.enabled
  type: bool
  value: true
  mirror: always
#endif

# When the playback rate of an HTMLMediaElement is greater than this value, or
# lower than the inverse of this value, the audio is muted.
- name: media.audio.playbackrate.muting_threshold
  type: uint32_t
  value: 8
  mirror: always

# Time-stretch algorithm single processing sequence length in milliseconds.
# This determines to how long sequences the original sound is chopped in the
# time-stretch algorithm.
- name: media.audio.playbackrate.soundtouch_sequence_ms
  type: RelaxedAtomicInt32
  value: 10
  mirror: always

# Time-stretch algorithm seeking window length in milliseconds for algorithm
# that finds the best possible overlapping location. This determines from how
# wide window the algorithm may look for an optimal joining location when mixing
# the sound sequences back together.
- name: media.audio.playbackrate.soundtouch_seekwindow_ms
  type: RelaxedAtomicInt32
  value: 15
  mirror: always

# Time-stretch algorithm overlap length in milliseconds. When the chopped sound
# sequences are mixed back together, to form a continuous sound stream, this
# parameter defines over how long period the two consecutive sequences are let
# to overlap each other.
- name: media.audio.playbackrate.soundtouch_overlap_ms
  type: RelaxedAtomicInt32
  value: 8
  mirror: always

# The duration, in milliseconds, of decoded audio to keep around in the
# AudioSink ring-buffer. New decoding operations are started when this limit is
# reached. The total size of the ring-buffer is slightly bigger than this.
- name: media.audio.audiosink.threshold_ms
  type: AtomicFloat
#if defined(XP_MACOSX) && defined(MOZ_AARCH64)
  value: 1000.0
#else
  value: 200.0
#endif
  mirror: always

- name: media.video-wakelock
  type: RelaxedAtomicBool
  value: true
  mirror: always

#---------------------------------------------------------------------------
# Prefs starting with "midi."
#---------------------------------------------------------------------------

- name: midi.testing
  type: RelaxedAtomicBool
  value: false
  mirror: always

#---------------------------------------------------------------------------
# Prefs starting with "mousewheel."
#---------------------------------------------------------------------------

# This affects how line scrolls from wheel events will be accelerated.
# Factor to be multiplied for constant acceleration.
- name: mousewheel.acceleration.factor
  type: RelaxedAtomicInt32
  value: 10
  mirror: always

# This affects how line scrolls from wheel events will be accelerated.
# Number of mousewheel clicks when acceleration starts.
# Acceleration can be turned off if pref is set to -1.
- name: mousewheel.acceleration.start
  type: RelaxedAtomicInt32
  value: -1
  mirror: always

# Auto-dir is a feature which treats any single-wheel scroll as a scroll in the
# only one scrollable direction if the target has only one scrollable
# direction. For example, if the user scrolls a vertical wheel inside a target
# which is horizontally scrollable but vertical unscrollable, then the vertical
# scroll is converted to a horizontal scroll for that target.
# Note that auto-dir only takes effect for |mousewheel.*.action|s and
# |mousewheel.*.action.override_x|s whose values are 1.
- name: mousewheel.autodir.enabled
  type: bool
  value: false
  mirror: always

# When a wheel scroll is converted due to auto-dir, which side the converted
# scroll goes towards is decided by one thing called "honoured target". If the
# content of the honoured target horizontally starts from right to left, then
# an upward scroll maps to a rightward scroll and a downward scroll maps to a
# leftward scroll; otherwise, an upward scroll maps to a leftward scroll and a
# downward scroll maps to a rightward scroll.
# If this pref is set to false, then consider the scrolling target as the
# honoured target.
# If set to true, then consider the root element in the document where the
# scrolling target is as the honoured target. But note that there's one
# exception: for targets in an HTML document, the real root element(I.e. the
# <html> element) is typically not considered as a root element, but the <body>
# element is typically considered as a root element. If there is no <body>
# element, then consider the <html> element instead.
- name: mousewheel.autodir.honourroot
  type: bool
  value: false
  mirror: always

- name: mousewheel.system_scroll_override.enabled
  type: RelaxedAtomicBool
#if defined(XP_WIN) || defined(MOZ_WIDGET_GTK)
  value: true
#else
  value: false
#endif
  mirror: always

# Prefs for overriding the system mouse wheel scrolling speed on
# content of the web pages.  When
# "mousewheel.system_scroll_override.enabled" is true and the
# system scrolling speed isn't customized by the user, the content scrolling
# speed is multiplied by the following factors.  The value will be used as
# 1/100.  E.g., 200 means 2.00.
# NOTE: Even if "mousewheel.system_scroll_override.enabled" is
# true, when Gecko detects the user customized the system scrolling speed
# settings, the override isn't executed.
- name: mousewheel.system_scroll_override.horizontal.factor
  type: RelaxedAtomicInt32
  value: 200
  mirror: always
- name: mousewheel.system_scroll_override.vertical.factor
  type: RelaxedAtomicInt32
  value: 200
  mirror: always

# Mouse wheel scroll transaction is held even if the mouse cursor is moved.
- name: mousewheel.transaction.ignoremovedelay
  type: RelaxedAtomicInt32
  value: 100
  mirror: always

# Mouse wheel scroll transaction period of time (in milliseconds).
- name: mousewheel.transaction.timeout
  type: RelaxedAtomicInt32
  value: 1500
  mirror: always

# Mouse wheel scroll position is determined by GetMessagePos rather than
# LPARAM msg value
- name: mousewheel.ignore_cursor_position_in_lparam
  type: RelaxedAtomicBool
  value: false
  mirror: always

# If line-height is lower than this value (in device pixels), 1 line scroll
# scrolls this height.
- name: mousewheel.min_line_scroll_amount
  type: int32_t
  value: 5
  mirror: always

# Timeout period (in milliseconds) when the mouse wheel event is no longer
# handled as the same series.
- name: mousewheel.scroll_series_timeout
  type: RelaxedAtomicInt32
  value: 80
  mirror: always

#---------------------------------------------------------------------------
# Prefs starting with "mozilla."
#---------------------------------------------------------------------------

- name: mozilla.widget.raise-on-setfocus
  type: bool
  value: true
  mirror: once

#---------------------------------------------------------------------------
# Prefs starting with "network."
#---------------------------------------------------------------------------

# Force less-secure NTLMv1 when needed (NTLMv2 is the default).
- name: network.auth.force-generic-ntlm-v1
  type: RelaxedAtomicBool
  value: false
  mirror: always

# Sub-resources HTTP-authentication:
#   0 - don't allow sub-resources to open HTTP authentication credentials
#       dialogs
#   1 - allow sub-resources to open HTTP authentication credentials dialogs,
#       but don't allow it for cross-origin sub-resources
#   2 - allow the cross-origin authentication as well.
- name: network.auth.subresource-http-auth-allow
  type: uint32_t
  value: 2
  mirror: always

# Sub-resources HTTP-authentication for cross-origin images:
# - true: It is allowed to present http auth. dialog for cross-origin images.
# - false: It is not allowed.
# If network.auth.subresource-http-auth-allow has values 0 or 1 this pref does
# not have any effect.
- name: network.auth.subresource-img-cross-origin-http-auth-allow
  type: bool
  value: false
  mirror: always

# Resources that are triggered by some non-web-content:
# - true: They are allow to present http auth. dialog
# - false: They are not allow to present http auth. dialog.
- name: network.auth.non-web-content-triggered-resources-http-auth-allow
  type: bool
  value: false
  mirror: always

# Whether to show anti-spoof confirmation prompts when navigating to a url
# with userinfo
- name: network.auth.confirmAuth.enabled
  type: bool
  value: true
  mirror: always

# Whether to display auth prompts if X-Frame-Options header will block loading
# page
- name: network.auth.supress_auth_prompt_for_XFO_failures
  type: bool
  value: true
  mirror: always

# Whether to use new implementation of ParseReasm
- name: network.auth.use_new_parse_realm
  type: RelaxedAtomicBool
  value: true
  mirror: always

# Whether to use new implementation of ParseReasm
- name: network.auth.allow_multiple_challenges_same_line
  type: RelaxedAtomicBool
  value: true
  mirror: always

# Whether to use challenges in the most secure order. See bug 650091.
- name: network.auth.choose_most_secure_challenge
  type: RelaxedAtomicBool
  value: true
  mirror: always

# See the full list of values in nsICookieService.idl.
- name: network.cookie.cookieBehavior
  type: RelaxedAtomicInt32
  value: 0 # accept all cookies
  mirror: always

# See the full list of values in nsICookieService.idl.
- name: network.cookie.rejectForeignWithExceptions.enabled
  type: bool
  value: false
  mirror: always

# The cookieBehavior to be used in Private Browsing mode.
- name: network.cookie.cookieBehavior.pbmode
  type: RelaxedAtomicInt32
  value: 0 # accept all cookies
  mirror: always

# Stale threshold for cookies in seconds.
- name: network.cookie.staleThreshold
  type: uint32_t
  value: 60
  mirror: always

- name: network.cookie.sameSite.laxByDefault
  type: RelaxedAtomicBool
  value: false
  mirror: always

# lax-by-default 2 minutes tollerance for unsafe methods. The value is in seconds.
- name: network.cookie.sameSite.laxPlusPOST.timeout
  type: uint32_t
  value: 120
  mirror: always

# For lax-by-default cookies ignore cross-site redirects when the final
# redirect is same-site again.
# https://github.com/httpwg/http-extensions/issues/2104
- name: network.cookie.sameSite.laxByDefault.allowBoomerangRedirect
  type: bool
  value: true
  mirror: always

- name: network.cookie.sameSite.noneRequiresSecure
  type: bool
  value: @IS_EARLY_BETA_OR_EARLIER@
  mirror: always

- name: network.cookie.sameSite.schemeful
  type: bool
  value: false
  mirror: always

- name: network.cookie.thirdparty.sessionOnly
  type: bool
  value: false
  mirror: always

- name: network.cookie.thirdparty.nonsecureSessionOnly
  type: bool
  value: false
  mirror: always

# If we should not store "persistent" cookies at all, i.e., make the
# "persistent" storage be like "private" storage.  This value is only read when
# instantiating persistent storage for the cookie service, which usually only
# happens when the cookie service singleton is created.
- name: network.cookie.noPersistentStorage
  type: bool
  value: false
  mirror: always

# If true then any cookies containing unicode will be rejected
- name: network.cookie.blockUnicode
  type: RelaxedAtomicBool
  value: false
  mirror: always

# If true cookies loaded from the sqlite DB that have a creation or
# last accessed time that is in the future will be fixed and the
# timestamps will be set to the current time.
- name: network.cookie.fixup_on_db_load
  type: RelaxedAtomicBool
  value: true
  mirror: always

# If true content types of multipart/x-mixed-replace cannot set a cookie
- name: network.cookie.prevent_set_cookie_from_multipart
  type: RelaxedAtomicBool
  value: true
  mirror: always

# If we should attempt to race the cache and network.
- name: network.http.rcwn.enabled
  type: bool
  value: true
  mirror: always

- name: network.http.rcwn.cache_queue_normal_threshold
  type: uint32_t
  value: 8
  mirror: always

- name: network.http.rcwn.cache_queue_priority_threshold
  type: uint32_t
  value: 2
  mirror: always

# We might attempt to race the cache with the network only if a resource
# is smaller than this size.
- name: network.http.rcwn.small_resource_size_kb
  type: uint32_t
  value: 256
  mirror: always

- name: network.http.rcwn.min_wait_before_racing_ms
  type: uint32_t
  value: 0
  mirror: always

- name: network.http.rcwn.max_wait_before_racing_ms
  type: uint32_t
  value: 500
  mirror: always

# false=real referer, true=spoof referer (use target URI as referer).
- name: network.http.referer.spoofSource
  type: bool
  value: false
  mirror: always

# Check whether we need to hide referrer when leaving a .onion domain.
# false=allow onion referer, true=hide onion referer (use empty referer).
- name: network.http.referer.hideOnionSource
  type: bool
  value: false
  mirror: always

# Include an origin header on non-GET and non-HEAD requests regardless of CORS.
# 0=never send, 1=send when same-origin only, 2=always send.
- name: network.http.sendOriginHeader
  type: uint32_t
  value: 2
  mirror: always

# Whether to respect the redirected-tainted origin flag
# https://fetch.spec.whatwg.org/#concept-request-tainted-origin
- name: network.http.origin.redirectTainted
  type: bool
  value: true
  mirror: always

# Whether to strip auth headers for redirected fetch/xhr channels
# https://fetch.spec.whatwg.org/#http-redirect-fetch
- name: network.fetch.redirect.stripAuthHeader
  type: RelaxedAtomicBool
  value: true
  mirror: always

# Whether to strip auth headers for redirected http channels
# https://fetch.spec.whatwg.org/#http-redirect-fetch
- name: network.http.redirect.stripAuthHeader
  type: RelaxedAtomicBool
  value: true
  mirror: always

# Prefs allowing granular control of referers.
# 0=don't send any, 1=send only on clicks, 2=send on image requests as well
- name: network.http.sendRefererHeader
  type: uint32_t
  value: 2
  mirror: always
  do_not_use_directly: true

# The maximum allowed length for a referrer header - 4096 default.
# 0 means no limit.
- name: network.http.referer.referrerLengthLimit
  type: uint32_t
  value: 4096
  mirror: always

#  0=always send, 1=send iff base domains match, 2=send iff hosts match.
- name: network.http.referer.XOriginPolicy
  type: uint32_t
  value: 0
  mirror: always
  do_not_use_directly: true

# 0=full URI, 1=scheme+host+port+path, 2=scheme+host+port.
- name: network.http.referer.trimmingPolicy
  type: uint32_t
  value: 0
  mirror: always
  do_not_use_directly: true

# 0=full URI, 1=scheme+host+port+path, 2=scheme+host+port.
- name: network.http.referer.XOriginTrimmingPolicy
  type: uint32_t
  value: 0
  mirror: always
  do_not_use_directly: true

# Set the default Referrer Policy; to be used unless overriden by the site.
# 0=no-referrer, 1=same-origin, 2=strict-origin-when-cross-origin,
# 3=no-referrer-when-downgrade.
- name: network.http.referer.defaultPolicy
  type: uint32_t
  value: 2
  mirror: always

# Set the default Referrer Policy applied to third-party trackers when the
# default cookie policy is set to reject third-party trackers, to be used
# unless overriden by the site.
# 0=no-referrer, 1=same-origin, 2=strict-origin-when-cross-origin,
# 3=no-referrer-when-downgrade.
# Trim referrers from trackers to origins by default.
- name: network.http.referer.defaultPolicy.trackers
  type: uint32_t
  value: 2
  mirror: always

# Set the Private Browsing Default Referrer Policy, to be used
# unless overriden by the site.
# 0=no-referrer, 1=same-origin, 2=strict-origin-when-cross-origin,
# 3=no-referrer-when-downgrade.
- name: network.http.referer.defaultPolicy.pbmode
  type: uint32_t
  value: 2
  mirror: always

# Set to ignore referrer policies which is less restricted than the default for
# cross-site requests, including 'unsafe-url', 'no-referrer-when-downgrade' and
# 'origin-when-cross-origin'.
- name: network.http.referer.disallowCrossSiteRelaxingDefault
  type: bool
  value: true
  mirror: always

# Whether we ignore less restricted referrer policies for top navigations.
- name: network.http.referer.disallowCrossSiteRelaxingDefault.top_navigation
  type: bool
  value: false
  mirror: always


# Set to ignore referrer policies which is less restricted than the default for
# cross-site requests in the private browsing mode, including 'unsafe-url',
# 'no-referrer-when-downgrade' and 'origin-when-cross-origin'.
- name: network.http.referer.disallowCrossSiteRelaxingDefault.pbmode
  type: bool
  value: true
  mirror: always

# Whether we ignore less restricted referrer policies for top navigations in the
# private browsing mode.
- name: network.http.referer.disallowCrossSiteRelaxingDefault.pbmode.top_navigation
  type: bool
  value: true
  mirror: always

# Set the Private Browsing Default Referrer Policy applied to third-party
# trackers when the default cookie policy is set to reject third-party
# trackers, to be used unless overriden by the site.
# 0=no-referrer, 1=same-origin, 2=strict-origin-when-cross-origin,
# 3=no-referrer-when-downgrade.
# No need to change this pref for trimming referrers from trackers since in
# private windows we already trim all referrers to origin only.
- name: network.http.referer.defaultPolicy.trackers.pbmode
  type: uint32_t
  value: 2
  mirror: always

# Whether certain http header values should be censored out in logs.
# Specifically filters out "authorization" and "proxy-authorization".
- name: network.http.sanitize-headers-in-logs
  type: RelaxedAtomicBool
  value: true
  mirror: always

# Set this pref to an integer like 99 to override the User-Agent string's
# Firefox version. The value 0 means use the default Firefox version. If
# enterprise users rely on sites that aren't compatible with Firefox version
# 100's three-digit version number, enterprise admins can set this pref to a
# known-good version (like 99) in an enterprise policy file.
- name: network.http.useragent.forceVersion
  type: uint32_t
  value: 0
  mirror: always

# Set this pref to an integer like 99 to override the User-Agent string's
# 'rv' bit. The value 0 means use the default Firefox version. We introduced
# this for Firefox 110 because it turned out websites used user agent parsing
# for "rv:11" to detect IE11.
- name: network.http.useragent.forceRVOnly
  type: uint32_t
  value: 109
  mirror: always

# Whether or not we use Windows for SSO to Microsoft sites.
- name: network.http.windows-sso.enabled
  type: RelaxedAtomicBool
  value: false
  mirror: always

# Whether windows-sso is enabled for the default (0) container.
# To enable SSO for additional containers, add a new pref like
# `network.http.windows-sso.container-enabled.${containerId}` = true
- name: network.http.windows-sso.container-enabled.0
  type: bool
  value: true
  mirror: never

# The factor by which to increase the keepalive timeout when the
# NS_HTTP_LARGE_KEEPALIVE flag is used for a connection
- name: network.http.largeKeepaliveFactor
  type: RelaxedAtomicUint32
  value: 10
  mirror: always

# This preference, if true, causes all UTF-8 domain names to be normalized to
# punycode.  The intention is to allow UTF-8 domain names as input, but never
# generate them from punycode.
- name: network.IDN_show_punycode
  type: RelaxedAtomicBool
  value: false
  mirror: always

# If set to true, IOService.offline depends on IOService.connectivity.
- name: network.offline-mirrors-connectivity
  type: RelaxedAtomicBool
  value: false
  mirror: always

# If set to true, disallow localhost connections when offline.
- name: network.disable-localhost-when-offline
  type: RelaxedAtomicBool
  value: false
  mirror: always

# Enables the predictive service.
- name: network.predictor.enabled
  type: bool
  value: true
  mirror: always

# Set true to allow resolving proxy for localhost
- name: network.proxy.allow_hijacking_localhost
  type: RelaxedAtomicBool
  value: false
  mirror: always

# This pref will still treat localhost URLs as secure even when hijacked
# during testing. This is necessary for automated testing to check that we
# actually treat localhost as a secure origin.
- name: network.proxy.testing_localhost_is_secure_when_hijacked
  type: RelaxedAtomicBool
  value: false
  mirror: always

# Allow CookieJarSettings to be unblocked for channels without a document.
# This is for testing only.
- name: network.cookieJarSettings.unblocked_for_testing
  type: bool
  value: false
  mirror: always

- name: network.predictor.enable-hover-on-ssl
  type: bool
  value: false
  mirror: always

- name: network.predictor.enable-prefetch
  type: bool
  value: @IS_EARLY_BETA_OR_EARLIER@
  mirror: always

- name: network.predictor.page-degradation.day
  type: int32_t
  value: 0
  mirror: always
- name: network.predictor.page-degradation.week
  type: int32_t
  value: 5
  mirror: always
- name: network.predictor.page-degradation.month
  type: int32_t
  value: 10
  mirror: always
- name: network.predictor.page-degradation.year
  type: int32_t
  value: 25
  mirror: always
- name: network.predictor.page-degradation.max
  type: int32_t
  value: 50
  mirror: always

- name: network.predictor.subresource-degradation.day
  type: int32_t
  value: 1
  mirror: always
- name: network.predictor.subresource-degradation.week
  type: int32_t
  value: 10
  mirror: always
- name: network.predictor.subresource-degradation.month
  type: int32_t
  value: 25
  mirror: always
- name: network.predictor.subresource-degradation.year
  type: int32_t
  value: 50
  mirror: always
- name: network.predictor.subresource-degradation.max
  type: int32_t
  value: 100
  mirror: always

- name: network.predictor.prefetch-rolling-load-count
  type: int32_t
  value: 10
  mirror: always

- name: network.predictor.prefetch-min-confidence
  type: int32_t
  value: 100
  mirror: always
- name: network.predictor.preconnect-min-confidence
  type: int32_t
  value: 90
  mirror: always
- name: network.predictor.preresolve-min-confidence
  type: int32_t
  value: 60
  mirror: always

- name: network.predictor.prefetch-force-valid-for
  type: int32_t
  value: 10
  mirror: always

- name: network.predictor.max-resources-per-entry
  type: int32_t
  value: 100
  mirror: always

# This is selected in concert with max-resources-per-entry to keep memory
# usage low-ish. The default of the combo of the two is ~50k.
- name: network.predictor.max-uri-length
  type: uint32_t
  value: 500
  mirror: always

# A testing flag.
- name: network.predictor.doing-tests
  type: bool
  value: false
  mirror: always

# Enables `<link rel="preload">` tag and `Link: rel=preload` response header
# handling.
- name: network.preload
  type: RelaxedAtomicBool
  value: true
  mirror: always

# Enables `<link rel="modulepreload">` tag and `Link: rel=modulepreload`
# response header handling. The latter is not yet implemented, see:
# https://bugzilla.mozilla.org/show_bug.cgi?id=1773056.
- name: network.modulepreload
  type: RelaxedAtomicBool
  value: true
  mirror: always

# Enable 103 Early Hint status code (RFC 8297)
- name: network.early-hints.enabled
  type: RelaxedAtomicBool
  value: @IS_EARLY_BETA_OR_EARLIER@
  mirror: always

# Enable `Link: rel=preconnect` in 103 Early Hint response.
- name: network.early-hints.preconnect.enabled
  type: RelaxedAtomicBool
  value: @IS_EARLY_BETA_OR_EARLIER@
  mirror: always

# The max number of speculative connections we allow for `Link: rel=preconnect`.
# When 0, the speculative connection created due to `Link: rel=preconnect` will
# be limited by "network.http.speculative-parallel-limit".
- name: network.early-hints.preconnect.max_connections
  type: uint32_t
  value: 10
  mirror: always

# How long we should wait for EarlyHintPreloader to be used.
# Under normal circumstances it should be used immidiately.
- name: network.early-hints.parent-connect-timeout
  type: uint32_t
  value: 10000
  mirror: always

# Whether to use the network process or not
# Start a separate socket process. Performing networking on the socket process
# is control by a sepparate pref
# ("network.http.network_access_on_socket_process.enabled").
# Changing these prefs requires a restart.
- name: network.process.enabled
  type: RelaxedAtomicBool
  mirror: always
#if defined(ANDROID) || defined(MOZ_THUNDERBIRD)
  value: false # see bug 1641427
#else
  value: true
#endif

# Whether we can send OnDataAvailable to content process directly.
- name: network.send_ODA_to_content_directly
  type: RelaxedAtomicBool
  value: true
  mirror: always

# Perform all network access on the socket process.
# The pref requires "network.process.enabled" to be true.
# Changing these prefs requires a restart.
- name: network.http.network_access_on_socket_process.enabled
  type: RelaxedAtomicBool
  mirror: always
  value: false

# Telemetry of traffic categories. Whether or not to enable HttpTrafficAnalyzer.
- name: network.traffic_analyzer.enabled
  type: RelaxedAtomicBool
  value: true
  mirror: always

# Whether DNS resolution is limited to literals and cached entries.
- name: network.dns.disabled
  type: RelaxedAtomicBool
  value: false
  mirror: always

# Whether DNS resolution is limited to literals and cached entries.
- name: network.dns.skipTRR-when-parental-control-enabled
  type: RelaxedAtomicBool
  value: true
  mirror: always

- name: network.dns.disablePrefetchFromHTTPS
  type: bool
  value: true
  mirror: always

# Max time to shutdown the resolver threads
- name: network.dns.resolver_shutdown_timeout_ms
  type: uint32_t
  value: 2000
  mirror: always

# When true on Windows DNS resolutions for single label domains
# (domains that don't contain a dot) will be resolved using the DnsQuery
# API instead of PR_GetAddrInfoByName
- name: network.dns.dns_query_single_label
  type: RelaxedAtomicBool
  value: false
  mirror: always

# When this pref is true we enforce a 253 character limit on domains we try to
# resolve. See bug 1264117. If it doesn't cause any web-compat issues we can
# remove it in a few releases
- name: network.dns.limit_253_chars
  type: RelaxedAtomicBool
  value: true
  mirror: always

# When this pref is true, we copy the host name to a fresh string before
# calling into getaddrinfo.
- name: network.dns.copy_string_before_call
  type: RelaxedAtomicBool
  value: true
  mirror: always

- name: network.dns.max_high_priority_threads
  type: RelaxedAtomicUint32
  value: 5
  mirror: always

- name: network.dns.max_any_priority_threads
  type: RelaxedAtomicUint32
  value: 3
  mirror: always

# The proxy type. See nsIProtocolProxyService.idl
#     PROXYCONFIG_DIRECT   = 0
#     PROXYCONFIG_MANUAL   = 1
#     PROXYCONFIG_PAC      = 2
#     PROXYCONFIG_WPAD     = 4
#     PROXYCONFIG_SYSTEM   = 5
- name: network.proxy.type
  type: RelaxedAtomicUint32
  value: 5
  mirror: always

# Whether the SOCKS proxy should be in charge of DNS resolution.
- name: network.proxy.socks_remote_dns
  type: RelaxedAtomicBool
  value: false
  mirror: always

# When receiving a network change event, the time (in ms) we wait to reload the
# PAC url.
- name: network.proxy.reload_pac_delay
  type: RelaxedAtomicUint32
  value: 2000
  mirror: always

# When parsing "SOCKS" in PAC string, the default version of SOCKS that will be
# used.
- name: network.proxy.default_pac_script_socks_version
  type: RelaxedAtomicUint32
  value: 4
  mirror: always

# Whether to force failover to direct for system requests.
#ifdef MOZ_PROXY_DIRECT_FAILOVER
- name: network.proxy.failover_direct
  type: bool
  value: true
  mirror: always
#endif

# Whether to allow a bypass flag to be set on httpChannel that will
# prevent proxies from being used for that specific request.
- name: network.proxy.allow_bypass
  type: bool
#ifdef MOZ_PROXY_BYPASS_PROTECTION
  value: false
#else
  value: true
#endif
  mirror: always

- name: network.proxy.parse_pac_on_socket_process
  type: RelaxedAtomicBool
  value: false
  mirror: always

- name: network.proxy.detect_system_proxy_changes
  type: RelaxedAtomicBool
  value: false
  mirror: always

# If all non-direct proxies have failed, we retry all of them in case they
# are online now.
- name: network.proxy.retry_failed_proxies
  type: RelaxedAtomicBool
  value: true
  mirror: always

# Some requests during a page load are marked as "tail", mainly trackers, but not only.
# This pref controls whether such requests are put to the tail, behind other requests
# emerging during page loading process.
- name: network.http.tailing.enabled
  type: bool
  value: true
  mirror: always

# Whether to run proxy checks when processing Alt-Svc headers.
- name: network.http.altsvc.proxy_checks
  type: bool
  value: true
  mirror: always

- name: network.http.stale_while_revalidate.enabled
  type: RelaxedAtomicBool
  value: true
  mirror: always

# Capacity of the above cache, in kilobytes.
- name: network.ssl_tokens_cache_capacity
  type: RelaxedAtomicUint32
  value: 2048
  mirror: always

# How many records we store per entry
- name: network.ssl_tokens_cache_records_per_entry
  type: RelaxedAtomicUint32
  value: 2
  mirror: always

# If true, only use the token once
- name: network.ssl_tokens_cache_use_only_once
  type: RelaxedAtomicBool
  value: true
  mirror: always

# The maximum allowed length for a URL - 1MB default.
- name: network.standard-url.max-length
  type: RelaxedAtomicUint32
  value: 1048576
  mirror: always

# DNS Trusted Recursive Resolver
# 0 - default off, 1 - reserved/off, 2 - TRR first, 3 - TRR only,
# 4 - reserved/off, 5 off by choice
- name: network.trr.mode
  type: RelaxedAtomicUint32
  value: 0
  mirror: always

# Default global TRR provider
- name: network.trr.default_provider_uri
  type: String
  value: "https://mozilla.cloudflare-dns.com/dns-query"
  mirror: never

# If true, retry TRR for recoverable errors once.
- name: network.trr.retry_on_recoverable_errors
  type: RelaxedAtomicBool
  value: true
  mirror: always

# If true, don't fallback to native DNS upon network errors.
- name: network.trr.strict_native_fallback
  type: RelaxedAtomicBool
  value: false
  mirror: always

# If true, we'll fallback to native if the retry also times out.
- name: network.trr.strict_native_fallback_allow_timeouts
  type: RelaxedAtomicBool
  value: true
  mirror: always

# Single TRR request timeout (ms) when strict native fallback is enabled.
- name: network.trr.strict_fallback_request_timeout_ms
  type: RelaxedAtomicUint32
  value: 6000
  mirror: always

# If false, the temporary blocklisting feature is disabled.
# This is useful for tests to prevent bleeding extra reqs
# between tasks, since we may attempt to look up the
# parent domain in the background when blocklisting a host.
- name: network.trr.temp_blocklist
  type: RelaxedAtomicBool
  value: true
  mirror: always

# TRR blocklist entry expire time (in seconds). Default is one minute.
# Meant to survive basically a page load.
- name: network.trr.temp_blocklist_duration_sec
  type: RelaxedAtomicUint32
  value: 60
  mirror: always

# Single TRR request timeout, in milliseconds
- name: network.trr.request_timeout_ms
  type: RelaxedAtomicUint32
  value: 1500
  mirror: always

# Single TRR request timeout, in milliseconds for mode 3
- name: network.trr.request_timeout_mode_trronly_ms
  type: RelaxedAtomicUint32
  value: 30000
  mirror: always

# Similar to network.http.http2.ping-timeout, but this is used when the
# Http/2 connection is connected to the TRR server.
- name: network.trr.ping_timeout
  type: RelaxedAtomicUint32
  value: 3000
  mirror: always

# The timeout of the TRR confirmation request
- name: network.trr.confirmation_timeout_ms
  type: RelaxedAtomicUint32
  value: 6000
  mirror: always

# The timeout of the TRR confirmation request
- name: network.trr.confirmation_telemetry_enabled
  type: RelaxedAtomicBool
  value: true
  mirror: always

# Whether to send the Accept-Language header for TRR requests
- name: network.trr.send_accept-language_headers
  type: RelaxedAtomicBool
  value: false
  mirror: always

# Whether to send an empty Accept-Encoding header for TRR requests
- name: network.trr.send_empty_accept-encoding_headers
  type: RelaxedAtomicBool
  value: true
  mirror: always

# Whether to send the User-Agent header for TRR requests
- name: network.trr.send_user-agent_headers
  type: RelaxedAtomicBool
  value: false
  mirror: always

# This pref controls whether to use TRRServiceChannel off main thread.
- name: network.trr.fetch_off_main_thread
  type: RelaxedAtomicBool
  value: true
  mirror: always

# If we should wait for captive portal confirmation before enabling TRR
- name: network.trr.wait-for-portal
  type: RelaxedAtomicBool
  value: false
  mirror: always

# If we should wait for TRR service confirmation to complete before enabling
# TRR for lookups when fallback is enabled. Confirmation is always skipped when
# global mode is TRR-only (no fallback).
- name: network.trr.wait-for-confirmation
  type: RelaxedAtomicBool
  value: false
  mirror: always

# Normally when confirmation fails we wait for the confirmation to succeed
# before attempting to do TRR. When this pref is true, we optimistically
# assume the confirmation will succeed and might attempt TRR anyway.
# If network.trr.wait-for-confirmation is true, this pref is ignored.
- name: network.trr.attempt-when-retrying-confirmation
  type: RelaxedAtomicBool
  value: false
  mirror: always

# Use GET (rather than POST)
- name: network.trr.useGET
  type: RelaxedAtomicBool
  value: false
  mirror: always

# Allow RFC1918 address in responses?
- name: network.trr.allow-rfc1918
  type: RelaxedAtomicBool
  value: false
  mirror: always

# When true, it only sends AAAA when the system has IPv6 connectivity
- name: network.trr.skip-AAAA-when-not-supported
  type: RelaxedAtomicBool
  value: true
  mirror: always

# Whether to apply split horizon mitigations when using TRR.
# These include adding the DNS suffix to the excluded domains
- name: network.trr.split_horizon_mitigations
  type: RelaxedAtomicBool
  value: true
  mirror: always

# Explicitly disable ECS (EDNS Client Subnet, RFC 7871)
- name: network.trr.disable-ECS
  type: RelaxedAtomicBool
  value: true
  mirror: always

# When true, the DNS+TRR cache will be cleared when a relevant TRR pref
# changes. (uri, bootstrapAddress, excluded-domains)
- name: network.trr.clear-cache-on-pref-change
  type: RelaxedAtomicBool
  value: true
  mirror: always

# After this many failed TRR requests in a row, consider TRR borked
- name: network.trr.max-fails
  type: RelaxedAtomicUint32
  value: 15
  mirror: always

# When the TRR confirmation is set to CONFIRM_FAILED due to many failures in
# a row, we set a timer to retry. This has an exponential backoff up to
# 64 seconds.
- name: network.trr.retry-timeout-ms
  type: RelaxedAtomicUint32
  value: 125
  mirror: always

# Retry with no TRR when the response contained only 0.0.0.0 or ::
- name: network.trr.fallback-on-zero-response
  type: RelaxedAtomicBool
  value: false
  mirror: always

# If true we parse the /etc/hosts file and exclude any host names from TRR.
# Reading the file is only done once, when TRR is first enabled - this could be
# soon after startup or when the pref is flipped.
- name: network.trr.exclude-etc-hosts
  type: RelaxedAtomicBool
  value: true
  mirror: always

# Whether to add padding in the doh dns queries (rfc 7830)
- name: network.trr.padding
  type: RelaxedAtomicBool
  value: true
  mirror: always

# The block size to pad to. Capped at 1024 bytes.
# Setting it to 0 doesn't add additional padding, but allows the server to
# respond with padding (RFC7930 Sec 4)
- name: network.trr.padding.length
  type: RelaxedAtomicUint32
  value: 128
  mirror: always

# Whether to skip the NS check for the blocked host.
# Note this is used for test only.
- name: network.trr.skip-check-for-blocked-host
  type: RelaxedAtomicBool
  value: false
  mirror: always

# Whether to use the connection info that is generated asynchronously.
- name: network.trr.async_connInfo
  type: RelaxedAtomicBool
  value: false
  mirror: always

# The base URL of the `Learn more` button for skip reasons
- name: network.trr_ui.skip_reason_learn_more_url
  type: String
  value: "https://firefox-source-docs.mozilla.org/networking/dns/trr-skip-reasons.html#"
  mirror: never

# If true, display a warning before fallback to native
- name: network.trr.display_fallback_warning
  type: RelaxedAtomicBool
  value: false
  mirror: always

# Heuristics in this list will trigger the fallback to native warning
- name: network.trr.fallback_warning_heuristic_list
  type: String
  value: "canary"
  mirror: never

# Use Oblivious HTTP when making TRR requests.
- name: network.trr.use_ohttp
  type: RelaxedAtomicBool
  value: false
  mirror: always

# Oblivious HTTP relay URI for TRR requests.
- name: network.trr.ohttp.relay_uri
  type: String
  value: ""
  mirror: never

# URI from which to fetch the configuration for the Oblivious HTTP gateway for TRR requests.
- name: network.trr.ohttp.config_uri
  type: String
  value: ""
  mirror: never

# The URI used for the target DoH server when network.trr.use_ohttp is true
- name: network.trr.ohttp.uri
  type: String
  value: ""
  mirror: never

# Allow the network changed event to get sent when a network topology or setup
# change is noticed while running.
- name: network.notify.changed
  type: RelaxedAtomicBool
  value: true
  mirror: always

# Allow network detection of IPv6 related changes (bug 1245059)
- name: network.notify.IPv6
  type: RelaxedAtomicBool
#ifdef XP_WIN
  value: false
#else
  value: true
#endif
  mirror: always

# Whether to check the dnsSuffix on network changes
- name: network.notify.dnsSuffixList
  type: RelaxedAtomicBool
  value: true
  mirror: always

# Whether to check the registry for proxies on network changes that indicate
# that TRR should not be used.
- name: network.notify.checkForProxies
  type: RelaxedAtomicBool
  value: true
  mirror: always

# Whether to check the registry for NRPT rules on network changes that
# indicate that TRR should not be used.
- name: network.notify.checkForNRPT
  type: RelaxedAtomicBool
  value: true
  mirror: always

# Whether NotifyIpInterfaceChange should be called immediately after
# registration in order to record the initial state of the network adapters.
- name: network.notify.initial_call
  type: RelaxedAtomicBool
  value: true
  mirror: always

# Whether to check for DNS resolvers
- name: network.notify.resolvers
  type: RelaxedAtomicBool
  value: true
  mirror: always

# Whether to use the rust implemented DefaultURI for unknown scheme types
- name: network.url.useDefaultURI
  type: RelaxedAtomicBool
  value: false
  mirror: always

# The maximum allowed length for a URL - 32MB default.
# If 0 that means no limit.
- name: network.url.max-length
  type: RelaxedAtomicUint32
  value: 32 * 1024 * 1024
  mirror: always

# Should be removed if no breakage occurs. See bug 1797846
- name: network.url.strip-data-url-whitespace
  type: RelaxedAtomicBool
  value: false
  mirror: always

# Force remapping of remote port numbers to allow reaching local testing
# servers or port forwarders listening on non-standard ports.  Note that
# this is not changing the origin URL in the addressbar, only internally
# the port number used.  This is intended to be used along with the
# `network.dns.forceResolve` preference.
#
# The form is:
#   "80,443,808-888=8080; 563=8081"
# this will remap ports for HTTP, HTTPS and the range of 808-888 included
# to use port 8080, and port 563 to go to 8081.
- name: network.socket.forcePort
  type: String
  value: ""
  mirror: never

# Try and use HTTP2 when using SSL
- name: network.http.http2.enabled
  type: RelaxedAtomicBool
  value: true
  mirror: always

- name: network.http.http2.enabled.deps
  type: RelaxedAtomicBool
  value: true
  mirror: always

- name: network.http.http2.enforce-tls-profile
  type: RelaxedAtomicBool
  value: true
  mirror: always

- name: network.http.http2.chunk-size
  type: RelaxedAtomicInt32
  value: 16000
  mirror: always

- name: network.http.http2.timeout
  type: RelaxedAtomicInt32
  value: 170
  mirror: always

- name: network.http.http2.coalesce-hostnames
  type: RelaxedAtomicBool
  value: true
  mirror: always

- name: network.http.http2.persistent-settings
  type: RelaxedAtomicBool
  value: false
  mirror: always

- name: network.http.http2.ping-threshold
  type: RelaxedAtomicInt32
  value: 58
  mirror: always

- name: network.http.http2.ping-timeout
  type: RelaxedAtomicInt32
  value: 8
  mirror: always

- name: network.http.http2.send-buffer-size
  type: RelaxedAtomicInt32
  value: 0
  mirror: always

- name: network.http.http2.allow-push
  type: RelaxedAtomicBool
  value: true
  mirror: always

- name: network.http.http2.push-allowance
  type: RelaxedAtomicInt32
  value: 131072  # 128KB
  mirror: always

- name: network.http.http2.pull-allowance
  type: RelaxedAtomicInt32
  value: 12582912  # 12MB
  mirror: always

- name: network.http.http2.default-concurrent
  type: RelaxedAtomicInt32
  value: 100
  mirror: always

- name: network.http.http2.default-hpack-buffer
  type: RelaxedAtomicInt32
  value: 65536 # 64K
  mirror: always

- name: network.http.http2.websockets
  type: RelaxedAtomicBool
  value: true
  mirror: always

- name: network.http.http2.enable-hpack-dump
  type: RelaxedAtomicBool
  value: false
  mirror: always

# Enable HTTP/3
- name: network.http.http3.enable
  type: RelaxedAtomicBool
  value: true
  mirror: always

# Receive buffer size of QUIC socket
- name: network.http.http3.recvBufferSize
  type: RelaxedAtomicInt32
  value: 1048576
  mirror: always

- name: network.http.http3.enable_qlog
  type: RelaxedAtomicBool
  value: false
  mirror: always

- name: network.http.http3.enable_0rtt
  type: RelaxedAtomicBool
  value: true
  mirror: always

# When a h3 transaction is inserted in the pending queue, the time (ms) we wait
# to create a TCP backup connection.
- name: network.http.http3.backup_timer_delay
  type: RelaxedAtomicUint32
  value: 100
  mirror: always

# The global half open sockets allowed for creating a backup connection.
- name: network.http.http3.parallel_fallback_conn_limit
  type: RelaxedAtomicUint32
  value: 32
  mirror: always

# Receive buffer size of QUIC socket
- name: network.http.http3.max_data
  type: RelaxedAtomicUint32
  value: 25165824
  mirror: always

# Receive buffer size of QUIC socket
- name: network.http.http3.max_stream_data
  type: RelaxedAtomicUint32
  value: 12582912
  mirror: always

# Enable http3 network priority as described in
# https://httpwg.org/http-extensions/draft-ietf-httpbis-priority.html
- name: network.http.http3.priority
  type: RelaxedAtomicBool
  value: true
  mirror: always

# Depriorizing background tabs notifies websites when switching to or from the
# tab while still loading resources for the website. On one hand it might
# improve performance when switching to an tab with a website using the same
# QUIC connection. On the other hand it sends more data to the website and
# might be a privacy concern.
- name: network.http.http3.send_background_tabs_deprioritization
  type: RelaxedAtomicBool
  value: false
  mirror: always

- name: network.http.http3.version_negotiation.enabled
  type: RelaxedAtomicBool
  value: false
  mirror: always

# When a Http/3 connection failed, whether to retry with a different IP address.
- name: network.http.http3.retry_different_ip_family
  type: RelaxedAtomicBool
  value: false
  mirror: always

# This is for testing purpose. When true, nsUDPSocket::SendWithAddress will
# return NS_ERROR_CONNECTION_REFUSED for address "::1".
- name: network.http.http3.block_loopback_ipv6_addr
  type: RelaxedAtomicBool
  value: false
  mirror: always

# When true, a http request will be upgraded to https when HTTPS RR is
# available.
- name: network.dns.upgrade_with_https_rr
  type: RelaxedAtomicBool
  value: true
  mirror: always

# Whether to use HTTPS RR as AltSvc
- name: network.dns.use_https_rr_as_altsvc
  type: RelaxedAtomicBool
  value: true
  mirror: always

# Whether to check for NAT64 using the system resolver
- name: network.connectivity-service.nat64-check
  type: bool
  value: true
  mirror: always

# Manually enter the NAT64 prefix that will be used if IPv4 is unavailable.
# The value is formatted as IPv6 with the least significant bits to be dropped.
# For example, 64:ff9b:: is a common prefix. This will not disable
# the NAT64 check, although the value of this pref will be prioritized.
- name: network.connectivity-service.nat64-prefix
  type: String
  value: ""
  mirror: never

# Whether to enable echconfig.
- name: network.dns.echconfig.enabled
  type: RelaxedAtomicBool
  value: @IS_NIGHTLY_BUILD@
  mirror: always

# Whether to enable echconfig for http3.
- name: network.dns.http3_echconfig.enabled
  type: RelaxedAtomicBool
  value: @IS_NIGHTLY_BUILD@
  mirror: always

# This pref needs to be worked together with network.dns.echconfig.enabled
# being true and there is no record without ECHConfig.
# When we try all records with ECHConfig in HTTPS RRs and still can't connect,
# this pref indicate whether we can fallback to the origin server.
- name: network.dns.echconfig.fallback_to_origin_when_all_failed
  type: RelaxedAtomicBool
  value: @IS_NOT_NIGHTLY_BUILD@
  mirror: always

# When true, reset the exclusion list when all records are excluded.
- name: network.dns.httpssvc.reset_exclustion_list
  type: RelaxedAtomicBool
  value: true
  mirror: always

# If the http3 connection cannot be ready after the timeout value here, the
# transaction will start another non-http3 conneciton.
# Setting this value to 0 indicates this feature is disabled.
- name: network.dns.httpssvc.http3_fast_fallback_timeout
  type: RelaxedAtomicUint32
  value: 50
  mirror: always

# Whether to force a transaction to wait https rr.
- name: network.dns.force_waiting_https_rr
  type: RelaxedAtomicBool
  value: @IS_NIGHTLY_BUILD@
  mirror: always

# The TTL for negative responses of TXT and HTTPS records.
- name: network.dns.negative_ttl_for_type_record
  type: RelaxedAtomicUint32
  value: 300   # 5 minutes (in seconds)
  mirror: always

# Whether to use port prefixed QNAME for HTTPS RR
- name: network.dns.port_prefixed_qname_https_rr
  type: RelaxedAtomicBool
  value: false
  mirror: always

# Whether to use HTTPS RR and ignore NS_HTTP_DISALLOW_HTTPS_RR
# This pref is only set when running tests
- name: network.dns.force_use_https_rr
  type: RelaxedAtomicBool
  value: false
  mirror: always

- name: network.cache.frecency_array_check_enabled
  type: RelaxedAtomicBool
  value: @IS_EARLY_BETA_OR_EARLIER@
  mirror: always

# When this pref is true, AddStorageEntry will return an error if the
# OPEN_READONLY & OPEN_SECRETLY flags are passed and no entry exists.
# If no regressions occur this pref should be removed.
- name: network.cache.bug1708673
  type: RelaxedAtomicBool
  value: false
  mirror: always

# When true we will dispatch a background task (separate process) to
# delete the cache folder at shutdown in order to avoid shutdown hangs.
- name: network.cache.shutdown_purge_in_background_task
  type: RelaxedAtomicBool
#if defined(XP_WIN)
  value: true
#else
  value: false
#endif
  mirror: always

# Number of seconds to wait for the cache folder to be renamed before
# the background task forcefully exists.
- name: network.cache.shutdown_purge_folder_wait_seconds
  type: RelaxedAtomicUint32
  value: 10
  mirror: always

# This is used for a temporary workaround for a web-compat issue. If pref is
# true CORS preflight requests are allowed to send client certificates.
- name: network.cors_preflight.allow_client_cert
  type: RelaxedAtomicBool
  value: false
  mirror: always

# If true nsCORSListenerProxy will reject any URL that contains user & password
# regardless if it's a redirect or not. When false nsCORSListenerProxy will
# only reject URLs with a username and password when they happen on a redirected
# channel.
- name: network.cors_preflight.block_userpass_uri
  type: RelaxedAtomicBool
  value: false
  mirror: always

# Whether to record the telemetry event when a JAR channel is failed to load.
- name: network.jar.record_failure_reason
  type: RelaxedAtomicBool
  value: @IS_EARLY_BETA_OR_EARLIER@
  mirror: always

# nsJARInputStream::Available returns the size indicated by the archived entry
# so we need a limit so we don't OOM if the archive is corrupted.
- name: network.jar.max_available_size
  type: RelaxedAtomicUint32
  value: 256*1024*1024 # 256 Mb
  mirror: always

# Whether JAR entries that defate to a different size than RealSize/orglen
# are considered corrupted or not
- name: network.jar.require_size_match
  type: RelaxedAtomicBool
  value: true
  mirror: always

# When this pref is true we clear the Content-Encoding header for
# application/x-gzip Content-Type responses, see bug 1030660.
#
# Assuming there are no regressions, this pref and related code should be
# removed.
- name: network.http.clear_bogus_content_encoding
  type: RelaxedAtomicBool
  value: false
  mirror: always

# When this pref is true, we will use the HTTPS acceptable content encoding
# list for trustworthy domains such as http://localhost
- name: network.http.encoding.trustworthy_is_https
  type: RelaxedAtomicBool
  value: true
  mirror: always

# Support http3 version1
- name: network.http.http3.support_version1
  type: RelaxedAtomicBool
  value: true
  mirror: always

# Disable early data on an origin if SSL_ERROR_PROTOCOL_VERSION_ALERT is received
- name: network.http.early_data_disable_on_error
  type: RelaxedAtomicBool
  value: true
  mirror: always

# Disable early data if it fails for more than this number of origins
- name: network.http.early_data_max_error
  type: RelaxedAtomicUint32
  value: 5
  mirror: always

  # If true, remove the resumption token when 0RTT failed.
- name: network.http.remove_resumption_token_when_early_data_failed
  type: RelaxedAtomicBool
  value: true
  mirror: always

# The maximum count that we allow socket prrocess to crash. If this count is
# reached, we won't use networking over socket process.
- name: network.max_socket_process_failed_count
  type: RelaxedAtomicUint32
  value: 1
  mirror: always

- name: network.allow_redirect_to_data
  type: RelaxedAtomicBool
  value: false
  mirror: always

- name: network.allow_raw_sockets_in_content_processes
  type: bool
  value: false
  mirror: once

- name: network.allow_large_stack_size_for_socket_thread
  type: RelaxedAtomicBool
  value: true
  mirror: always

# WebTransport
- name: network.webtransport.enabled
  type: RelaxedAtomicBool
  value: true
  mirror: always

# WebTransport Datagram support
- name: network.webtransport.datagrams.enabled
  type: RelaxedAtomicBool
  value: true
  mirror: always

# WebTransport Datagram size
- name: network.webtransport.datagram_size
  type: RelaxedAtomicUint32
  value: 1200
  mirror: always

# WebTransport Redirect support
- name: network.webtransport.redirect.enabled
  type: RelaxedAtomicBool
  value: false
  mirror: always

# Wifi-scan polling period, in ms, when on a mobile network.
# A value of 0 indicates that no polling should be done.
- name: network.wifi.scanning_period
  type: RelaxedAtomicUint32
  value: 60000
  mirror: always

# When the Access-Control-Allow-Headers is wildcard (*), whether to allow
# CORS-protected requests with the Authorization request header.
- name: network.cors_preflight.authorization_covered_by_wildcard
  type: bool
  value: true
  mirror: always

#---------------------------------------------------------------------------
# Prefs starting with "nglayout."
#---------------------------------------------------------------------------

# Enable/disable display list invalidation logging --- useful for debugging.
- name: nglayout.debug.invalidation
  type: bool
  value: false
  mirror: always

# Enable/disable widget update area flashing --- only supported with
# BasicLayers (other layer managers always update the entire widget area).
- name: nglayout.debug.widget_update_flashing
  type: RelaxedAtomicBool
  value: false
  mirror: always

- name: nglayout.debug.disable_xul_cache
  type: bool
  value: false
  mirror: always

- name: nglayout.initialpaint.delay
  type: int32_t
  value: 5
  mirror: always

- name: nglayout.initialpaint.delay_in_oopif
  type: int32_t
  value: 5
  mirror: always

#---------------------------------------------------------------------------
# Prefs starting with "page_load."
#---------------------------------------------------------------------------

# Time in milliseconds during which certain tasks are deprioritized during
# page load.
- name: page_load.deprioritization_period
  type: RelaxedAtomicUint32
  value: 5000
  mirror: always

#---------------------------------------------------------------------------
# Prefs starting with "pdfjs."
#---------------------------------------------------------------------------

- name: pdfjs.disabled
  type: bool
  value: false
  mirror: always

#---------------------------------------------------------------------------
# Prefs starting with "permissions."
#---------------------------------------------------------------------------

# 1-Accept, 2-Deny, Any other value: Accept
- name: permissions.default.image
  type: RelaxedAtomicUint32
  value: 1
  mirror: always

- name: permissions.delegation.enabled
  type: bool
  value: true
  mirror: always

- name: permissions.isolateBy.userContext
  type: RelaxedAtomicBool
  value: false
  mirror: always

- name: permissions.isolateBy.privateBrowsing
  type: RelaxedAtomicBool
  value: true
  mirror: always

#---------------------------------------------------------------------------
# Prefs starting with "places."
#---------------------------------------------------------------------------

# Whether pages alternative frecency is enabled. This and the following related
# prefs only apply at restart.
- name: places.frecency.pages.alternative.featureGate
  type: bool
  value: false
  mirror: once

- name: places.frecency.pages.alternative.highWeight
  type: uint32_t
  value: 100
  mirror: once

- name: places.frecency.pages.alternative.mediumWeight
  type: uint32_t
  value: 50
  mirror: once

- name: places.frecency.pages.alternative.lowWeight
  type: uint32_t
  value: 20
  mirror: once

- name: places.frecency.pages.alternative.halfLifeDays
  type: uint32_t
  value: 30
  mirror: once

- name: places.frecency.pages.alternative.numSampledVisits
  type: uint32_t
  value: 10
  mirror: once

#---------------------------------------------------------------------------
# Prefs starting with "plain_text."
#---------------------------------------------------------------------------

# When false, text in plaintext documents does not wrap long lines.
- name: plain_text.wrap_long_lines
  type: bool
  value: true
  mirror: always

#---------------------------------------------------------------------------
# Prefs starting with "preferences."
#---------------------------------------------------------------------------

- name: preferences.allow.omt-write
  type: bool
  value: true
  mirror: never

#ifdef DEBUG
  # If set to true, setting a Preference matched to a `Once` StaticPref will
  # assert that the value matches. Such assertion being broken is a clear flag
  # that the Once policy shouldn't be used.
-   name: preferences.check.once.policy
    type: bool
    value: false
    mirror: always

  # If set to true, StaticPrefs Once policy check will be skipped during
  # automation regression test. Use with care. This pref must be set back to
  # false as soon as specific test has completed.
-   name: preferences.force-disable.check.once.policy
    type: bool
    value: false
    mirror: always
#endif

#---------------------------------------------------------------------------
# Prefs starting with "print."
#---------------------------------------------------------------------------

# Variation fonts can't always be embedded in certain output formats
# such as PDF. To work around this, draw the variation fonts using
# paths instead of using font embedding.
- name: print.font-variations-as-paths
  type: RelaxedAtomicBool
  value: true
  mirror: always

# Whether we always print silently (without a print dialog).
- name: print.always_print_silent
  type: RelaxedAtomicBool
  value: false
  mirror: always

# Whether we attempt to generate links in Save As PDF output.
- name: print.save_as_pdf.links.enabled
  type: RelaxedAtomicBool
  value: true
  mirror: always

# Whether we attempt to generate and use document-internal PDF destinations.
# This currently sometimes results in an internal cairo error, see bug 1725743;
# disabled by default until that is resolved.
- name: print.save_as_pdf.internal_destinations.enabled
  type: RelaxedAtomicBool
  value: false
  mirror: always

# Whether we use the CSS @page size as the paper size in PDF output.
- name: print.save_as_pdf.use_page_rule_size_as_paper_size.enabled
  type: RelaxedAtomicBool
  value: true
  mirror: always

# The default DPI for printing.
#
# For PDF-based output, DPI should ideally be irrelevant, but in fact it is not
# for multiple reasons:
#
#  * Layout code that tries to respect device pixels (e.g. for snapping glyph
#    positions and baselines, and especially for the "GDI Classic"
#    rendering-mode threshold for certain fonts).
#
#  * The limitations of the PDF format mean that we can't natively represent
#    certain effects, such as filters, in PDF output, so we need to rasterize
#    the parts of the document with these applied.
#
#  * Other rasterized things like images and such are also affected by DPI
#    (both in the output, and the images we select via srcset, for example).
#
# Therefore, using a high DPI is preferable. For now, we use 144dpi to match
# physical printer output on Windows, but higher (e.g. 300dpi) might be better,
# but only if it does not lead to issues such as excessive memory use.
- name: print.default_dpi
  type: float
  value: 144.0f
  mirror: always

# Whether support for monochrome printing is enabled for CUPS.
- name: print.cups.monochrome.enabled
  type: RelaxedAtomicBool
  value: true
  mirror: always

# Disabling this will no-op window.print()
- name: print.enabled
  type: RelaxedAtomicBool
  value: true
  mirror: always

# The maximum amount of time CUPS should spend enumerating print destinations
# (in milliseconds).
# The default value chosen here is completely arbitrary.
- name: print.cups.enum_dests_timeout_ms
  type: RelaxedAtomicUint32
  value: 150
  mirror: always

#---------------------------------------------------------------------------
# Prefs starting with "privacy."
#---------------------------------------------------------------------------

- name: privacy.fuzzyfox.clockgrainus
  type: RelaxedAtomicUint32
  value: 100
  mirror: always

# Annotate trackers using the strict list. If set to false, the basic list will
# be used instead.
- name: privacy.annotate_channels.strict_list.enabled
  type: bool
  value: @IS_EARLY_BETA_OR_EARLIER@
  mirror: always

# Annotate trackers using the strict list in the private browsing mode. If set
# to false, the basic list will be used instead.
- name: privacy.annotate_channels.strict_list.pbmode.enabled
  type: bool
  value: true
  mirror: always

# First Party Isolation (double keying), disabled by default.
- name: privacy.firstparty.isolate
  type: RelaxedAtomicBool
  value: false
  mirror: always

# If false, two windows in the same domain with different first party domains
# (top level URLs) can access resources through window.opener. This pref is
# effective only when "privacy.firstparty.isolate" is true.
- name: privacy.firstparty.isolate.restrict_opener_access
  type: RelaxedAtomicBool
  value: true
  mirror: always

- name: privacy.firstparty.isolate.block_post_message
  type: RelaxedAtomicBool
  value: false
  mirror: always

- name: privacy.firstparty.isolate.use_site
  type: RelaxedAtomicBool
  value: false
  mirror: always

# Enforce tracking protection in all modes.
- name: privacy.trackingprotection.enabled
  type: bool
  value: false
  mirror: always

# Enforce tracking protection in Private Browsing mode.
- name: privacy.trackingprotection.pbmode.enabled
  type: bool
  value: true
  mirror: always

# Annotate channels based on the tracking protection list in all modes
- name: privacy.trackingprotection.annotate_channels
  type: bool
  value: true
  mirror: always

# Block 3rd party fingerprinting resources.
- name: privacy.trackingprotection.fingerprinting.enabled
  type: bool
  value: false
  mirror: always

# Block 3rd party cryptomining resources.
- name: privacy.trackingprotection.cryptomining.enabled
  type: bool
  value: false
  mirror: always

# Block 3rd party socialtracking resources.
- name: privacy.trackingprotection.socialtracking.enabled
  type: bool
  value: false
  mirror: always

# Consider socialtracking annotation as trackers (see ETP).
- name: privacy.socialtracking.block_cookies.enabled
  type: bool
  value: true
  mirror: always

# Block 3rd party emailtracking resources in all mode.
- name: privacy.trackingprotection.emailtracking.enabled
  type: bool
  value: false
  mirror: always

# Block 3rd party emailtracking resources in Private Browsing mode.
- name: privacy.trackingprotection.emailtracking.pbmode.enabled
  type: bool
  value: true
  mirror: always

# Collecting 3rd party emailtracking telemetry.
- name: privacy.trackingprotection.emailtracking.data_collection.enabled
  type: bool
  value: true
  mirror: always

- name: privacy.trackingprotection.testing.report_blocked_node
  type: RelaxedAtomicBool
  value: false
  mirror: always

# Whether to spoof user locale to English (used as part of Resist
# Fingerprinting).
# 0 - will prompt
# 1 - don't spoof
# 2 - spoof
- name: privacy.spoof_english
  type: RelaxedAtomicUint32
  value: 0
  mirror: always

# Send "do not track" HTTP header, disabled by default.
- name: privacy.donottrackheader.enabled
  type: bool
  value: false
  mirror: always

# Potentially send "global privacy control" HTTP header and set navigator
# property accordingly. Communicates user's desire to opt-out/in of
# websites or services selling or sharing the user's information, false by
# default.
# true - Send the header with a value of 1 to indicate opting-out
# false - Do not send header to indicate opting-in
- name: privacy.globalprivacycontrol.enabled
  type: RelaxedAtomicBool
  value: false
  mirror: always

# Controls whether or not GPC signals are sent. Meant to act as a third option
# of 'undecided' by leaving the navigator property undefined and not attaching
# the Sec-GPC HTTP header.
- name: privacy.globalprivacycontrol.functionality.enabled
  type: RelaxedAtomicBool
  value: false
  mirror: always

# Lower the priority of network loads for resources on the tracking protection
# list.  Note that this requires the
# privacy.trackingprotection.annotate_channels pref to be on in order to have
# any effect.
- name: privacy.trackingprotection.lower_network_priority
  type: bool
  value: @IS_NIGHTLY_BUILD@
  mirror: always

# A subset of Resist Fingerprinting protections focused specifically on timers.
# This affects the Animation API, the performance APIs, Date.getTime,
# Event.timestamp, File.lastModified, audioContext.currentTime,
# canvas.captureStream.currentTime.
- name: privacy.reduceTimerPrecision
  type: RelaxedAtomicBool
  value: true
  mirror: always

# If privacy.reduceTimerPrecision is false, this pref controls whether or not
# to clamp all timers at a fixed 20 microsconds. It should always be enabled,
# and is only specified as a pref to enable an emergency disabling in the event
# of catastrophic failure.
- name: privacy.reduceTimerPrecision.unconditional
  type: RelaxedAtomicBool
  value: true
  mirror: always

# The resistFingerprinting variables are marked with 'Relaxed' memory ordering.
# We don't particurally care that threads have a percently consistent view of
# the values of these prefs. They are not expected to change often, and having
# an outdated view is not particurally harmful. They will eventually become
# consistent.
#
# The variables will, however, be read often (specifically .microseconds on
# each timer rounding) so performance is important.
- name: privacy.resistFingerprinting
  type: RelaxedAtomicBool
  value: false
  mirror: always
  do_not_use_directly: true

# When the .pbmode pref is on, RFP or FPP will be enabled in PBM
# When the non-pbm pref is on, they will be enabled in PBM and non-PBM
- name: privacy.resistFingerprinting.pbmode
  type: RelaxedAtomicBool
  value: false
  mirror: always
  do_not_use_directly: true

# privacy.fingerprintingProtection enables a set of fingerprinting protections
# designed to minimize breakage while maximizing protection.
- name: privacy.fingerprintingProtection
  type: RelaxedAtomicBool
  value: false
  mirror: always
  do_not_use_directly: true

- name: privacy.fingerprintingProtection.pbmode
  type: RelaxedAtomicBool
  value: false
  mirror: always
  do_not_use_directly: true

# We automatically decline canvas permission requests if they are not initiated
# from user input. Just in case that breaks something, we allow the user to
# revert this behavior with this obscure pref. We do not intend to support this
# long term. If you do set it, to work around some broken website, please file
# a bug with information so we can understand why it is needed.
- name: privacy.resistFingerprinting.autoDeclineNoUserInputCanvasPrompts
  type: bool
  value: true
  mirror: always

# This pref can be used to disable mozAddonManager entirely for fingerprinting
# reasons. Someone like Tor browser will use this pref.
# NOTE: We'd like this to be a "hidden" pref once StaticPrefs supports it.
- name: privacy.resistFingerprinting.block_mozAddonManager
  type: RelaxedAtomicBool
  value: false
  mirror: always

# Whether canvas extraction should result in random data. If false, canvas
# extraction results in all-white, opaque pixel data.
- name: privacy.resistFingerprinting.randomDataOnCanvasExtract
  type: RelaxedAtomicBool
  value: true
  mirror: always

# The log level for browser console messages logged in RFPHelper.sys.mjs. Change to
# 'All' and restart to see the messages.
- name: privacy.resistFingerprinting.jsmloglevel
  type: String
  value: "Warn"
  mirror: never

# Enable jittering the clock one precision value forward.
- name: privacy.resistFingerprinting.reduceTimerPrecision.jitter
  type: RelaxedAtomicBool
  value: true
  mirror: always

# Dynamically tune the resolution of the timer reduction for
# `privacy.reduceTimerPrecision` and `privacy.resistFingerprinting`.
- name: privacy.resistFingerprinting.reduceTimerPrecision.microseconds
  type: RelaxedAtomicUint32
  value: 1000
  mirror: always

- name: privacy.resistFingerprinting.target_video_res
  type: uint32_t
  value: 480
  mirror: always

# Setting TZ=UTC ensures that even libc functions use the spoofed time zone.
# We want to remove that override as soon as possible however.
- name: privacy.resistFingerprinting.testing.setTZtoUTC
  type: bool
  value: false
  mirror: always

# Bitfield for selectively disabling RFP
#   0 for no new behavior
#   1 for disabling RFP if it's a WebExtension
#   2 for disabling RFP if we are not in PBM
#   4 for disabling RFP on specific domains (see privacy.resistFingerprinting.exemptedDomains)
- name: privacy.resistFingerprinting.testGranularityMask
  type: RelaxedAtomicUint32
  value: 0
  mirror: always

# Enable the fingerprinting randomization.
- name: privacy.resistFingerprinting.randomization.enabled
  type: RelaxedAtomicBool
  value: false
  mirror: always

# Enable resetting the fingerprinting randomization key daily for normal windwos.
- name: privacy.resistFingerprinting.randomization.daily_reset.enabled
  type: RelaxedAtomicBool
  value: false
  mirror: always

# Enable resetting the fingerprinting randomization key daily for private windwos.
- name: privacy.resistFingerprinting.randomization.daily_reset.private.enabled
  type: RelaxedAtomicBool
  value: false
  mirror: always


# Anti-tracking permission expiration.
- name: privacy.restrict3rdpartystorage.expiration
  type: uint32_t
  value: 2592000   # 30 days (in seconds)
  mirror: always

# Report Anti-tracking warnings to console lazily
- name: privacy.restrict3rdpartystorage.console.lazy
  type: bool
  value: true
  mirror: always

# Enable the heuristic to allow storage access for windows opened using window.open() after user interaction
- name: privacy.restrict3rdpartystorage.heuristic.opened_window_after_interaction
  type: bool
  value: true
  mirror: always

# Enable the heuristic to allow storage access for windows opened using window.open()
- name: privacy.restrict3rdpartystorage.heuristic.window_open
  type: bool
  value: true
  mirror: always

# Enable the heuristic to allow storage access for windows opened using window.open()
- name: privacy.restrict3rdpartystorage.heuristic.redirect
  type: bool
  value: true
  mirror: always

# Anti-tracking permission expiration.
- name: privacy.restrict3rdpartystorage.expiration_redirect
  type: uint32_t
  value: 2592000   # 30 days (in seconds)
  mirror: always

# Anti-tracking user-interaction expiration.
- name: privacy.userInteraction.expiration
  type: uint32_t
  value: 3888000   # 45 days (in seconds)
  mirror: always

# Anti-tracking user-interaction document interval.
- name: privacy.userInteraction.document.interval
  type: uint32_t
  value: 1800   # 30 minutes (in seconds)
  mirror: always

# Enable Anti-tracking testing. When it enables, it will notify the observers
# when user-interaction permission or storage access permission is added. This
# is for testing only.
- name: privacy.antitracking.testing
  type: bool
  value: false
  mirror: always

# Controls the anti-tracking webcompat features. This includes:
# - All URL-Classifier and state partitioning skip lists (prefs and remote
#   settings)
# - Storage access heuristics (opener, redirect, etc.)
# - StorageAccessAPI automatic grants (skips the prompt)
# - Allowing specific tracking channels on user opt-in (e.g. facebook login
#   shim).
- name: privacy.antitracking.enableWebcompat
  type: RelaxedAtomicBool
  value: true
  mirror: always

# Enable the heuristic to allow storage access for recent visited pages
- name: privacy.restrict3rdpartystorage.heuristic.recently_visited
  type: bool
  value: true
  mirror: always

# Valid time gap since last visit
- name: privacy.restrict3rdpartystorage.heuristic.recently_visited_time
  type: uint32_t
  value: 600    # 10 minutes
  mirror: always

# Recent visited pages redirection permission expiration.
- name: privacy.restrict3rdpartystorage.expiration_visited
  type: uint32_t
  value: 2592000   # 30 days (in seconds)
  mirror: always

# Maximum client-side cookie life-time cap. Measured in seconds, set to 0 to
# disable.
- name: privacy.documentCookies.maxage
  type: uint32_t
  value: 0
  mirror: always

- name: privacy.window.maxInnerWidth
  type: int32_t
  value: 1000
  mirror: always

- name: privacy.window.maxInnerHeight
  type: int32_t
  value: 1000
  mirror: always

- name: privacy.sanitize.sanitizeOnShutdown
  type: RelaxedAtomicBool
  value: false
  mirror: always

- name: privacy.clearOnShutdown.cache
  type: RelaxedAtomicBool
  value: false
  mirror: always

- name: privacy.dynamic_firstparty.limitForeign
  type: RelaxedAtomicBool
  value: false
  mirror: always

- name: privacy.dynamic_firstparty.use_site
  type: RelaxedAtomicBool
  value: true
  mirror: always

- name: privacy.partition.network_state
  type: RelaxedAtomicBool
  value: true
  mirror: always

# Partition the OCSP cache by the partitionKey.
- name: privacy.partition.network_state.ocsp_cache
  type: RelaxedAtomicBool
  value: @IS_NIGHTLY_BUILD@
  mirror: always

# Partition the OCSP cache by the partitionKey for private browsing mode.
- name: privacy.partition.network_state.ocsp_cache.pbmode
  type: RelaxedAtomicBool
  value: true
  mirror: always

# Always partition web storage APIs except cookies.
- name: privacy.partition.always_partition_third_party_non_cookie_storage
  type: RelaxedAtomicBool
  value: true
  mirror: always

# Exclude session storage from the above preference.
- name: privacy.partition.always_partition_third_party_non_cookie_storage.exempt_sessionstorage
  type: RelaxedAtomicBool
  value: false
  mirror: always

- name: privacy.partition.bloburl_per_agent_cluster
  type: RelaxedAtomicBool
  value: false
  mirror: always

- name: privacy.window.name.update.enabled
  type: bool
  value: true
  mirror: always

# By default, the network state isolation is not active when there is a proxy
# setting. This pref forces the network isolation even in these scenarios.
- name: privacy.partition.network_state.connection_with_proxy
  type: bool
  value: false
  mirror: always

# Partition the service workers unconditionally when dFPI is enabled.
- name: privacy.partition.serviceWorkers
  type: RelaxedAtomicBool
  value: true
  mirror: always

# Enables / disables the strip on share feature which strips query parameters
# when copying/sharing in-content links or from the url bar.
- name: privacy.query_stripping.strip_on_share.enabled
  type: RelaxedAtomicBool
  value: false
  mirror: always

# Enables / disables the URL query string stripping in normal browsing mode
# which strips query parameters from loading URIs to prevent bounce (redirect)
# tracking.
- name: privacy.query_stripping.enabled
  type: RelaxedAtomicBool
  value: false
  mirror: always

# Same as the pref above, but controls query stripping for private browsing
# mode.
- name: privacy.query_stripping.enabled.pbmode
  type: RelaxedAtomicBool
  value: false
  mirror: always

# The list which contains query parameters that are needed to be stripped from
# URIs. The query parameters are separated by a space.
- name: privacy.query_stripping.strip_list
  type: String
  value: ""
  mirror: never

# This controls if we will do the query string stripping for redirects.
- name: privacy.query_stripping.redirect
  type: bool
  value: true
  mirror: always

# the list which contains sites where should exempt from query stripping
- name: privacy.query_stripping.allow_list
  type: String
  value: ""
  mirror: never

#---------------------------------------------------------------------------
# Prefs starting with "prompts."
#---------------------------------------------------------------------------

# Prompt modal type prefs
# See nsIPromptService::MODAL_TYPE fields for possible values.

# Insecure form submit warning.
- name: prompts.modalType.insecureFormSubmit
  type: int32_t
  value: 2
  mirror: always

# nsHttpChannelAuthProvider#ConfirmAuth anti-phishing prompts.
- name: prompts.modalType.confirmAuth
  type: int32_t
  value: 2
  mirror: always

#---------------------------------------------------------------------------
# Prefs starting with "security."
#---------------------------------------------------------------------------

# Mochitests that need to load resource:// URIs not declared content-accessible
# in manifests should set this pref.
- name: security.all_resource_uri_content_accessible
  type: bool
  value: false
  mirror: always

- name: security.bad_cert_domain_error.url_fix_enabled
  type: bool
  value: true
  mirror: always

- name: security.csp.reporting.script-sample.max-length
  type: int32_t
  value: 40
  mirror: always

- name: security.csp.truncate_blocked_uri_for_frame_navigations
  type: bool
  value: true
  mirror: always

# If true, all toplevel data: URI navigations will be blocked.
# Please note that manually entering a data: URI in the
# URL-Bar will not be blocked when flipping this pref.
- name: security.data_uri.block_toplevel_data_uri_navigations
  type: bool
  value: true
  mirror: always

# Whether window A is allowed to navigate cross-origin window B (that is not
# a descendant frame of A) to a URI that loads externally.
- name: security.allow_disjointed_external_uri_loads
  type: bool
  value: false
  mirror: always

# Allowed by default so it doesn't affect Thunderbird/SeaMonkey, but
# not allowed for Firefox Desktop in firefox.js
- name: security.allow_parent_unrestricted_js_loads
  type: RelaxedAtomicBool
  value: true
  mirror: always

# Allowed by default so it doesn't affect Thunderbird/SeaMonkey, but
# not allowed for Firefox Desktop in firefox.js
- name: security.allow_eval_with_system_principal
  type: RelaxedAtomicBool
  value: true
  mirror: always

# Allowed by default so it doesn't affect Thunderbird/SeaMonkey, but
# not allowed for Firefox Desktop in firefox.js
- name: security.allow_eval_in_parent_process
  type: RelaxedAtomicBool
  value: true
  mirror: always

# Disallowed by default, ensure not disallowed content is loaded in the parent
# process.
- name: security.allow_unsafe_parent_loads
  type: bool
  value: false
  mirror: always

# Pref to block mixed scripts (fonts, plugin content, scripts, stylesheets,
# iframes, websockets, XHR).
- name: security.mixed_content.block_active_content
  type: bool
  value: @IS_ANDROID@
  mirror: always

# Pref to block sub requests that happen within an object.
- name: security.mixed_content.block_object_subrequest
  type: bool
  value: false
  mirror: always

# Pref for mixed display content blocking (images, audio, video).
- name: security.mixed_content.block_display_content
  type: bool
  value: false
  mirror: always

# Pref for mixed display content upgrading (images, audio, video).
- name: security.mixed_content.upgrade_display_content
  type: bool
  value: @IS_NIGHTLY_BUILD@
  mirror: always

# Whether strict file origin policy is in effect. "False" is traditional.
- name: security.fileuri.strict_origin_policy
  type: RelaxedAtomicBool
  value: true
  mirror: always

# The level to which we sandbox the content process. firefox.js sets the
# default to different values on a per-OS basis, and has documentation
# on what the defaults are and what the numbers mean.
- name: security.sandbox.content.level
  type: int32_t
  value: 0
  mirror: always
  do_not_use_directly: true # Consumers should use SandboxSettings to ask.

- name: security.sandbox.socket.process.level
  type: int32_t
  value: 0
  mirror: always
  do_not_use_directly: true # Consumers should use SandboxSettings to ask.

# This controls the strength of the Windows GPU process sandbox.  Changes
# will require restart.
# For information on what the level number means, see
# SetSecurityLevelForGPUProcess() in
# security/sandbox/win/src/sandboxbroker/sandboxBroker.cpp
- name: security.sandbox.gpu.level
  type: int32_t
#if defined(XP_WIN)
  value: 1
#else
  value: 0
#endif
  mirror: always

# Enrollment preferences for the win32k experiment, set and managed by Normandy
- name: security.sandbox.content.win32k-experiment.enrollmentStatus
  type: uint32_t
  value: 0
  mirror: never

- name: security.sandbox.content.win32k-experiment.startupEnrollmentStatus
  type: uint32_t
  value: 0
  mirror: never

#if defined(XP_WIN) && defined(MOZ_SANDBOX)

  # Whether win32k is disabled for content processes.
  # true means win32k system calls are not permitted.
-   name: security.sandbox.content.win32k-disable
    type: RelaxedAtomicBool
    value: true
    mirror: always

  # Note: win32k is currently _not_ disabled for GMP due to intermittent test
  # failures, where the GMP process fails very early. See bug 1449348.
-   name: security.sandbox.gmp.win32k-disable
    type: RelaxedAtomicBool
    value: false
    mirror: always

  # Whether win32k is disabled for socket processes.
  # true means win32k system calls are not permitted.
-   name: security.sandbox.socket.win32k-disable
    type: RelaxedAtomicBool
    value: true
    mirror: always

  # Whether CET User Shadow Stack compatible modules only is enabled for the
  # relevant process type.
-   name: security.sandbox.content.shadow-stack.enabled
    type: RelaxedAtomicBool
    value: false
    mirror: always

-   name: security.sandbox.rdd.shadow-stack.enabled
    type: RelaxedAtomicBool
    value: true
    mirror: always

-   name: security.sandbox.socket.shadow-stack.enabled
    type: RelaxedAtomicBool
    value: true
    mirror: always

-   name: security.sandbox.gpu.shadow-stack.enabled
    type: RelaxedAtomicBool
    value: @IS_NIGHTLY_BUILD@
    mirror: always

-   name: security.sandbox.gmp.shadow-stack.enabled
    type: RelaxedAtomicBool
    value: @IS_NIGHTLY_BUILD@
    mirror: always

  # Whether a Low Privilege AppContainer (LPAC) is enabled for the relevant
  # process type.

#if defined(MOZ_WMF_MEDIA_ENGINE)
-   name: security.sandbox.utility-wmf-cdm.lpac.enabled
    type: RelaxedAtomicBool
    value: false
    mirror: always
#endif

  # Whether Arbitrary Code Guard is enabled for the RDD process.
-   name: security.sandbox.rdd.acg.enabled
    type: RelaxedAtomicBool
    value: true
    mirror: always

#ifdef MOZ_WMF
  # Whether Arbitrary Code Guard is enabled for the utility WMF audio decoder
  # process.

-   name: security.sandbox.utility-wmf.acg.enabled
    type: RelaxedAtomicBool
    value: true
    mirror: always
#endif  // MOZ_WMF

  # This controls the depth of stack trace that is logged when Windows sandbox
  # logging is turned on. This is only currently available for the content
  # process because the only other sandbox (for GMP) has too strict a policy to
  # allow stack tracing. This does not require a restart to take effect.
-   name: security.sandbox.windows.log.stackTraceDepth
    type: RelaxedAtomicUint32
    value: 0
    mirror: always
#endif

#if defined(XP_LINUX) && defined(MOZ_SANDBOX)
  # Run content processes in headless mode and disallow
  # connections to the X server.  Requires:
  # * `webgl.out-of-process` (or else WebGL breaks)
  # * `widget.non-native-theme.enabled` (scrollbars & form controls)
  # Changing it requires a restart because sandbox policy information
  # dependent on it is cached.  See bug 1640345 for details.
- name: security.sandbox.content.headless
  type: bool
  value: true
  mirror: once
#endif

# Pref to show warning when submitting from secure to insecure.
- name: security.warn_submit_secure_to_insecure
  type: bool
  value: true
  mirror: always

# Hardware Origin-bound Second Factor Support
- name: security.webauth.webauthn
  type: bool
  value: true
  mirror: always

# Navigate-to CSP 3 directive
- name: security.csp.enableNavigateTo
  type: bool
  value: false
  mirror: always

# wasm-unsafe-eval source keyword
- name: security.csp.wasm-unsafe-eval.enabled
  type: bool
  value: true
  mirror: always

# unsafe-hashes source keyword
- name: security.csp.unsafe-hashes.enabled
  type: bool
  value: true
  mirror: always

# The script-src-attr and script-src-elem directive
- name: security.csp.script-src-attr-elem.enabled
  type: bool
  value: true
  mirror: always

# The style-src-attr and style-src-elem directive
- name: security.csp.style-src-attr-elem.enabled
  type: bool
  value: true
  mirror: always

# WebAuthn CTAP2 support
- name: security.webauthn.ctap2
  type: RelaxedAtomicBool
  value: true
  mirror: always
  rust: true

# Dispatch WebAuthn requests to the software CTAP1 token.
# (mutually exclusive with webauthn_enable_android_fido2,
# and webauthn_enable_usbtoken)
- name: security.webauth.webauthn_enable_softtoken
  type: RelaxedAtomicBool
  value: false
  mirror: always

# Dispatch WebAuthn requests to the Android platform API
- name: security.webauth.webauthn_enable_android_fido2
  type: RelaxedAtomicBool
  value: @IS_ANDROID@
  mirror: always

# residentKey support when using Android platform API
- name: security.webauthn.webauthn_enable_android_fido2.residentkey
  type: RelaxedAtomicBool
  value: false
  mirror: always

# Dispatch WebAuthn requests to authenticator-rs
- name: security.webauth.webauthn_enable_usbtoken
  type: RelaxedAtomicBool
  value: @IS_NOT_ANDROID@
  mirror: always

# Skip direct attestation consent prompts (for tests).
- name: security.webauth.webauthn_testing_allow_direct_attestation
  type: RelaxedAtomicBool
  value: false
  mirror: always

# Global counter for U2F soft token operations
- name: security.webauth.softtoken_counter
  type: RelaxedAtomicUint32
  value: 0
  mirror: always

# Block Worker/SharedWorker scripts with wrong MIME type.
- name: security.block_Worker_with_wrong_mime
  type: bool
  value: true
  mirror: always

# Block the execution of scripts using a wrong type as defined by the file extension
# (OS) mapping when loaded via the file:// protocol.
- name: security.block_fileuri_script_with_wrong_mime
  type: bool
  value: @IS_EARLY_BETA_OR_EARLIER@
  mirror: always

# Cancel outgoing requests from SystemPrincipal:
# but only with scheme http(s) and contentpolicytype subdocument
- name: security.disallow_privileged_https_subdocuments_loads
  type: bool
  value: true
  mirror: always

# but only with scheme data and contentpolicytype subdocument
- name: security.disallow_privileged_data_subdocuments_loads
  type: bool
  value: true
  mirror: always

# Cancel outgoing requests from SystemPrincipal:
# but only with scheme http(s) and contentpolicytype stylesheet
- name: security.disallow_privileged_https_stylesheet_loads
  type: bool
  value: true
  mirror: always

# Cancel outgoing requests from SystemPrincipal:
# but only with scheme http(s) and contentpolicytype script
- name: security.disallow_privileged_https_script_loads
  type: bool
  value: true
  mirror: always

# Cancel outgoing requests from SystemPrincipal:
# where there is no finalURI.
- name: security.disallow_privileged_no_finaluri_loads
  type: bool
  value: true
  mirror: always

# Cancel outgoing requests from privileged about pages:
# but only with scheme http(s) and contentpolicytype script
- name: security.disallow_privilegedabout_remote_script_loads
  type: bool
  value: true
  mirror: always

# Disable preloaded static key pins by default.
- name: security.cert_pinning.enforcement_level
  type: RelaxedAtomicUint32
  value: 0
  mirror: always
  do_not_use_directly: true

# OCSP fetching behavior:
# 0: do not fetch OCSP
# 1: fetch OCSP for DV and EV certificates
# 2: fetch OCSP only for EV certificates
- name: security.OCSP.enabled
  type: RelaxedAtomicUint32
#ifdef ANDROID
  value: 2
#else
  value: 1
#endif
  mirror: always


# Whether or not OCSP is required.
# true => hard-fail (if an OCSP request times out, stop the connection)
# false => soft-fail (if an OCSP request times out, continue the connection)
- name: security.OCSP.require
  type: RelaxedAtomicBool
  value: false
  mirror: always

# How many milliseconds to wait for an OCSP response before assuming it failed
# (when fetching for soft-fail).
- name: security.OCSP.timeoutMilliseconds.soft
  type: RelaxedAtomicUint32
#ifdef RELEASE_OR_BETA
  value: 2000
#else
  value: 1000
#endif
  mirror: always

# How many milliseconds to wait for an OCSP response before assuming it failed
# (when fetching for hard-fail).
- name: security.OCSP.timeoutMilliseconds.hard
  type: RelaxedAtomicUint32
  value: 10000
  mirror: always

# Whether or not to enable OCSP must-staple (in other words, TLS-feature with
# status request).
- name: security.ssl.enable_ocsp_must_staple
  type: RelaxedAtomicBool
  value: true
  mirror: always

# Whether or not to enable OCSP stapling.
- name: security.ssl.enable_ocsp_stapling
  type: RelaxedAtomicBool
  value: true
  mirror: always

# This is checked at startup to see if NSS should be initialized without the
# user's certificate and key databases.
- name: security.nocertdb
  type: bool
  value: false
  mirror: once

# On Windows 8.1, if the following preference is 2, we will attempt to detect
# whether the Family Safety TLS interception feature has been enabled.
# If so, we will behave as if the enterprise roots feature has been enabled
# (i.e. import and trust third party root certificates from the OS).
# With any other value of the pref or on any other platform, this does nothing.
# This preference takes precedence over "security.enterprise_roots.enabled".
- name: security.family_safety.mode
  type: RelaxedAtomicUint32
  value: 2
  mirror: always

# Whether or not to import and trust third party root certificates from the OS.
- name: security.enterprise_roots.enabled
  type: RelaxedAtomicBool
  value: false
  mirror: always

- name: security.intermediate_preloading_healer.enabled
  type: RelaxedAtomicBool
  value: @IS_NOT_ANDROID@
  mirror: always

- name: security.intermediate_preloading_healer.timer_interval_ms
  type: RelaxedAtomicUint32
  value: 300000
  mirror: always

# If true, attempt to load the osclientcerts PKCS#11 module at startup on a
# background thread. This module allows Firefox to use client certificates
# stored in OS certificate storage. Currently only available for Windows and
# macOS.
- name: security.osclientcerts.autoload
  type: RelaxedAtomicBool
  value: true
  mirror: always

# If true, assume tokens accessed via osclientcerts implement RSA-PSS. If a
# given token does not support RSA-PSS, users may see the error
# 'SEC_ERROR_PKCS11_GENERAL_ERROR' if a server indicates it will accept an
# RSA-PSS signature in the client's certificate verify message.
# Setting this to false may allow such connections to succeed, if the server
# also accepts RSA-PKCS1 signatures.
- name: security.osclientcerts.assume_rsa_pss_support
  type: RelaxedAtomicBool
  value: true
  mirror: always

- name: security.pki.cert_short_lifetime_in_days
  type: RelaxedAtomicUint32
  value: 10
  mirror: always

# security.pki.netscape_step_up_policy controls how the platform handles the
# id-Netscape-stepUp OID in extended key usage extensions of CA certificates.
# 0: id-Netscape-stepUp is always considered equivalent to id-kp-serverAuth
# 1: it is considered equivalent when the notBefore is before 23 August 2016
# 2: similarly, but for 23 August 2015
# 3: it is never considered equivalent
- name: security.pki.netscape_step_up_policy
  type: RelaxedAtomicUint32
#ifdef RELEASE_OR_BETA
  value: 1
#else
  value: 2
#endif
  mirror: always

# Configures Certificate Transparency support mode:
# 0: Fully disabled.
# 1: Only collect telemetry. CT qualification checks are not performed.
- name: security.pki.certificate_transparency.mode
  type: RelaxedAtomicUint32
  value: 0
  mirror: always

# 0: Disable CRLite entirely.
# 1: Consult CRLite but only collect telemetry.
# 2: Consult CRLite and enforce both "Revoked" and "Not Revoked" results.
# 3: Consult CRLite and enforce "Not Revoked" results, but defer to OCSP for "Revoked".
- name: security.pki.crlite_mode
  type: RelaxedAtomicUint32
  value: 3
  mirror: always

- name: security.tls.version.min
  type: RelaxedAtomicUint32
  value: 3
  mirror: always

- name: security.tls.version.max
  type: RelaxedAtomicUint32
  value: 4
  mirror: always

- name: security.tls.version.enable-deprecated
  type: RelaxedAtomicBool
  value: false
  mirror: always

- name: security.tls.version.fallback-limit
  type: RelaxedAtomicUint32
  value: 4
  mirror: always

# Turn off post-handshake authentication for TLS 1.3 by default,
# until the incompatibility with HTTP/2 is resolved:
# https://tools.ietf.org/html/draft-davidben-http2-tls13-00
- name: security.tls.enable_post_handshake_auth
  type: RelaxedAtomicBool
  value: false
  mirror: always

# Probability of GREASEing a TLS connection with ECH (0-100)
# 0 means never GREASE, 100 means always GREASE
- name: security.tls.ech.grease_probability
  type: RelaxedAtomicUint32
#ifdef NIGHTLY_BUILD
  value: 100
#else
  value: 0
#endif
  mirror: always

# Whether to apply ECH GREASE settings to HTTP3/QUIC connections
- name: security.tls.ech.grease_http3
  type: RelaxedAtomicBool
  value: @IS_NIGHTLY_BUILD@
  mirror: always

# Whether to retry connections without ECH Grease
- name: security.tls.ech.disable_grease_on_fallback
  type: RelaxedAtomicBool
  value: @IS_NOT_NIGHTLY_BUILD@
  mirror: always

# ECH GREASE Padding target (1-255)
- name: security.tls.ech.grease_size
  type: RelaxedAtomicUint32
  value: 100
  mirror: always

- name: security.tls.hello_downgrade_check
  type: RelaxedAtomicBool
  value: true
  mirror: always

- name: security.tls.enable_delegated_credentials
  type: RelaxedAtomicBool
  value: true
  mirror: always

- name: security.tls.enable_0rtt_data
  type: RelaxedAtomicBool
  value: true
  mirror: always

- name: security.ssl.treat_unsafe_negotiation_as_broken
  type: RelaxedAtomicBool
  value: false
  mirror: always

- name: security.ssl.require_safe_negotiation
  type: RelaxedAtomicBool
  value: false
  mirror: always

- name: security.ssl.enable_false_start
  type: RelaxedAtomicBool
  value: true
  mirror: always

- name: security.ssl.enable_alpn
  type: RelaxedAtomicBool
  value: true
  mirror: always

- name: security.ssl.disable_session_identifiers
  type: RelaxedAtomicBool
  value: false
  mirror: always

- name: security.ssl3.ecdhe_rsa_aes_128_gcm_sha256
  type: RelaxedAtomicBool
  value: true
  mirror: always

- name: security.ssl3.ecdhe_ecdsa_aes_128_gcm_sha256
  type: RelaxedAtomicBool
  value: true
  mirror: always

- name: security.ssl3.ecdhe_ecdsa_chacha20_poly1305_sha256
  type: RelaxedAtomicBool
  value: true
  mirror: always

- name: security.ssl3.ecdhe_rsa_chacha20_poly1305_sha256
  type: RelaxedAtomicBool
  value: true
  mirror: always

- name: security.ssl3.ecdhe_ecdsa_aes_256_gcm_sha384
  type: RelaxedAtomicBool
  value: true
  mirror: always

- name: security.ssl3.ecdhe_rsa_aes_256_gcm_sha384
  type: RelaxedAtomicBool
  value: true
  mirror: always

- name: security.ssl3.ecdhe_rsa_aes_128_sha
  type: RelaxedAtomicBool
  value: true
  mirror: always

- name: security.ssl3.ecdhe_ecdsa_aes_128_sha
  type: RelaxedAtomicBool
  value: @IS_NOT_EARLY_BETA_OR_EARLIER@
  mirror: always

- name: security.ssl3.ecdhe_rsa_aes_256_sha
  type: RelaxedAtomicBool
  value: true
  mirror: always

- name: security.ssl3.ecdhe_ecdsa_aes_256_sha
  type: RelaxedAtomicBool
  value: @IS_NOT_EARLY_BETA_OR_EARLIER@
  mirror: always

- name: security.ssl3.dhe_rsa_aes_128_sha
  type: RelaxedAtomicBool
  value: false
  mirror: always

- name: security.ssl3.dhe_rsa_aes_256_sha
  type: RelaxedAtomicBool
  value: false
  mirror: always

- name: security.ssl3.rsa_aes_128_sha
  type: RelaxedAtomicBool
  value: true
  mirror: always

- name: security.ssl3.rsa_aes_256_sha
  type: RelaxedAtomicBool
  value: true
  mirror: always

- name: security.ssl3.rsa_aes_128_gcm_sha256
  type: RelaxedAtomicBool
  value: true
  mirror: always

- name: security.ssl3.rsa_aes_256_gcm_sha384
  type: RelaxedAtomicBool
  value: true
  mirror: always

- name: security.ssl3.deprecated.rsa_des_ede3_sha
  type: RelaxedAtomicBool
  value: true
  mirror: always

- name: security.tls13.aes_128_gcm_sha256
  type: RelaxedAtomicBool
  value: true
  mirror: always

- name: security.tls13.chacha20_poly1305_sha256
  type: RelaxedAtomicBool
  value: true
  mirror: always

- name: security.tls13.aes_256_gcm_sha384
  type: RelaxedAtomicBool
  value: true
  mirror: always

#---------------------------------------------------------------------------
# Prefs starting with "signon."
#---------------------------------------------------------------------------
- name: signon.usernameOnlyForm.enabled
  type: bool
  value: true
  mirror: always

#---------------------------------------------------------------------------
# Prefs starting with "slider."
#---------------------------------------------------------------------------

# Scrollbar snapping region.
# - 0: off
# - 1 and higher: slider thickness multiple
- name: slider.snapMultiplier
  type: int32_t
#ifdef XP_WIN
  value: 6
#else
  value: 0
#endif
  mirror: once

#---------------------------------------------------------------------------
# Prefs starting with "storage."
#---------------------------------------------------------------------------

# Whether to use a non-exclusive VFS.
# By default we use the unix-excl VFS, for the following reasons:
# 1. It improves compatibility with NFS shares, whose implementation
#    is incompatible with SQLite's locking requirements (reliable fcntl), and
#    in particular with WAL journaling.
#    Bug 433129 attempted to automatically identify such file-systems,
#    but a reliable way was not found and the fallback locking is slower than
#    POSIX locking, so we do not want to do it by default.
# 2. It allows wal mode to avoid the memory mapped -shm file, reducing the
#    likelihood of SIGBUS failures when disk space is exhausted.
# 3. It provides some protection from third party database tampering while a
#    connection is open.
# Note there's no win32-excl VFS, so this has no effect on Windows.
- name: storage.sqlite.exclusiveLock.enabled
  type: RelaxedAtomicBool
  value: @IS_NOT_ANDROID@
  mirror: always

#---------------------------------------------------------------------------
# Prefs starting with "svg."
#---------------------------------------------------------------------------

# This pref controls whether the 'context-fill' and 'context-stroke' keywords
# can be used in SVG-as-an-image in the content processes to use the fill/
# stroke specified on the element that embeds the image. (These keywords are
# always enabled in the chrome process, regardless of this pref.) Also, these
# keywords are currently not part of any spec, which is partly why we disable
# them for web content.
- name: svg.context-properties.content.enabled
  type: RelaxedAtomicBool
  value: false
  mirror: always

# This pref controls whether the `prefers-color-scheme` value of SVG images
# reacts to the embedder `color-scheme` in content.
- name: svg.embedder-prefers-color-scheme.content.enabled
  type: RelaxedAtomicBool
  value: true
  mirror: always

# Enables the 'context-fill' and 'context-stroke' keywords for particular
# domains. We expect this list to be Mozilla-controlled properties, since the
# 'context-*' keywords are not part of any spec. We expect to remove this
# preference and the 'context-` keyword support entirely in the
# not-too-distant future when a standardized alternative ships. This preference
# is _not_ for allowing web content to use these keywords. For performance
# reasons, the list of domains in this preference should remain short in
# length.
- name: svg.context-properties.content.allowed-domains
  type: String
  value: ""
  mirror: never

# Is support for the new getBBox method from SVG 2 enabled?
# See https://svgwg.org/svg2-draft/single-page.html#types-SVGBoundingBoxOptions
- name: svg.new-getBBox.enabled
  type: bool
  value: false
  mirror: always

# Whether SVGGraphicsElement.nearestViewportElement and SVGGraphicsElement.farthestViewportElement are enabled.
- name: svg.nearestAndFarthestViewportElement.enabled
  type: bool
  value: @IS_NOT_EARLY_BETA_OR_EARLIER@
  mirror: always

# Tweak which elements are allowed in <svg:use> subtrees, and in which
# circumstances. See RemoveForbiddenNodes in SVGUseElement.cpp for the spec
# text.
#
# - 0: Don't restrict ever.
# - 1: Restrict only cross-document.
# - 2/other: restrict always.
#
# We allow the behavior to be configurable via this pref. Our chosen default
# value forbids non-graphical content in <svg:use> clones of cross-document
# elements. This is a compromise between our more-permissive pre-existing
# behavior (which SVG 2 seems to call for, and maps to pref value 0) and the
# behavior of other UAs (which SVG 1.1 seems to call for, and maps to pref
# value 2).
- name: svg.use-element.graphics-element-restrictions
  type: int32_t
  value: 1
  mirror: always

# Whether to restrict <svg:use> element recursion levels.
#
# - 0: Don't restrict ever.
# - 1: Restrict everywhere
# - 2/other: Restrict only in the parent process.
#
- name: svg.use-element.recursive-clone-limit.enabled
  type: int32_t
  value: 2
  mirror: always

# What is the recursion limit for svg use element cloning if enabled.
- name: svg.use-element.recursive-clone-limit
  type: uint32_t
  value: 8
  mirror: always

#---------------------------------------------------------------------------
# Prefs starting with "telemetry."
#---------------------------------------------------------------------------

- name: telemetry.number_of_site_origin.min_interval
  type: uint32_t
  value: 300000
  mirror: always

- name: telemetry.fog.test.localhost_port
  type: RelaxedAtomicInt32
  value: 0
  mirror: always
  rust: true

- name: telemetry.fog.test.activity_limit
  type: RelaxedAtomicUint32
  value: 120
  mirror: always
  rust: true

- name: telemetry.fog.test.inactivity_limit
  type: RelaxedAtomicUint32
  value: 1200
  mirror: always
  rust: true

- name: telemetry.fog.artifact_build
  type: RelaxedAtomicBool
  value: false
  mirror: always

#---------------------------------------------------------------------------
# Prefs starting with "test."
#---------------------------------------------------------------------------

- name: test.events.async.enabled
  type: RelaxedAtomicBool
  value: false
  mirror: always

- name: test.mousescroll
  type: RelaxedAtomicBool
  value: false
  mirror: always

#---------------------------------------------------------------------------
# Prefs starting with "thread."
#---------------------------------------------------------------------------

- name: threads.medium_high_event_queue.enabled
  type: RelaxedAtomicBool
  value: true
  mirror: always

# If control tasks aren't enabled, they get medium high priority.
- name: threads.control_event_queue.enabled
  type: RelaxedAtomicBool
  value: true
  mirror: always

# If the service is available, set threads to low-power mode when in the background.
- name: threads.use_low_power.enabled
  type: RelaxedAtomicBool
  value: @IS_NIGHTLY_BUILD@
  mirror: always


# If the process priority is set to background, put the main thread in the background.
# Currently off by default.
- name: threads.lower_mainthread_priority_in_background.enabled
  type: bool
  value: @IS_NIGHTLY_BUILD@
  mirror: always

#---------------------------------------------------------------------------
# Prefs starting with "timer."
#---------------------------------------------------------------------------

# Since our timestamp on macOS does not increment while the system is asleep, we
# should ignore sleep/wake notifications to make timer thread process timers.
- name: timer.ignore_sleep_wake_notifications
  type: RelaxedAtomicBool
#ifdef XP_MACOSX
  value: true
#else
  value: false
#endif
  mirror: always

# Amount of time by which it is always acceptable to delay the firing of a timer.
# Any timer may be delayed by up to this amount in order to enable timers to be
# bundled together for efficiency.
- name: timer.minimum_firing_delay_tolerance_ms
  type: AtomicFloat
  value: 1.0
  mirror: always

# Maximum amount of time by which it is ever acceptable to delay the firing of a timer.
# Setting this to zero will effectively disable timer coalescing.
- name: timer.maximum_firing_delay_tolerance_ms
  type: AtomicFloat
#ifdef NIGHTLY_BUILD
  value: 10000.0
#else
  value: 0.0
#endif
  mirror: always

#---------------------------------------------------------------------------
# Prefs starting with "toolkit."
#---------------------------------------------------------------------------

# Makes removeDirectory background task wait for the given milliseconds before removal.
- name: toolkit.background_tasks.remove_directory.testing.sleep_ms
  type: RelaxedAtomicUint32
  value: 0
  mirror: always

# Returns true if BHR is disabled.
- name: toolkit.content-background-hang-monitor.disabled
  type: bool
  value: false
  mirror: always

- name: toolkit.scrollbox.horizontalScrollDistance
  type: RelaxedAtomicInt32
  value: 5
  mirror: always

- name: toolkit.scrollbox.verticalScrollDistance
  type: RelaxedAtomicInt32
  value: 3
  mirror: always

# The lateWriteChecksStage and fastShutdownStage below represent the stage
# of shutdown after which we (for lateWriteChecksStage) crash / gather
# telemetry data on file writes, or (for fastShutdownStage) we call _exit(0).
# Higher values are earlier during shutdown, and the full enumeration can
# be found in AppShutdown.h in the AppShutdownPhase enum.
- name: toolkit.shutdown.lateWriteChecksStage
  type: int32_t
#ifdef MOZ_CODE_COVERAGE
  value: 0
#else
  value: 2
#endif
  mirror: always

# See the comment above toolkit.shutdown.lateWriteChecksStage. A higher value
# for this pref means we call _exit(0) earlier during shutdown.
- name: toolkit.shutdown.fastShutdownStage
  type: int32_t
#if !defined(DEBUG) && !defined(MOZ_ASAN) && !defined(MOZ_TSAN) && !defined(MOZ_CODE_COVERAGE) && !defined(MOZ_VALGRIND) && !defined(MOZ_PROFILE_GENERATE) && !defined(JS_STRUCTURED_SPEW)
  value: 1
#else
  value: 0
#endif
  mirror: always

# Sending each remote accumulation immediately places undue strain on the IPC
# subsystem. Batch the remote accumulations for a period of time before sending
# them all at once. This value was chosen as a balance between data timeliness
# and performance (see bug 1218576).
- name: toolkit.telemetry.ipcBatchTimeout
  type: uint32_t
  value: 2000
  mirror: always

- name: toolkit.telemetry.geckoview.batchDurationMS
  type: RelaxedAtomicUint32
  value: 5000
  mirror: always

- name: toolkit.telemetry.geckoview.maxBatchStalenessMS
  type: RelaxedAtomicUint32
  value: 60000
  mirror: always

- name: toolkit.telemetry.geckoview.streaming
  type: RelaxedAtomicBool
  value: false
  mirror: always

- name: toolkit.telemetry.testing.overrideProductsCheck
  type: RelaxedAtomicBool
  value: false
  mirror: always

#---------------------------------------------------------------------------
# Prefs starting with "ui."
#---------------------------------------------------------------------------

- name: ui.key.generalAccessKey
  type: int32_t
  value: -1
  mirror: always

# Use 17 for Ctrl, 18 for Alt, 224 for Meta, 91 for Win, 0 for none.
- name: ui.key.accelKey
  type: uint32_t
#ifdef XP_MACOSX
  value: 224
#else
  value: 17
#endif
  mirror: always

# See above for the key codes to use.
- name: ui.key.menuAccessKey
  type: uint32_t
#ifdef XP_MACOSX
  value: 0
#else
  value: 18
#endif
  mirror: always

# Only used if generalAccessKey is -1.
- name: ui.key.chromeAccess
  type: int32_t
#ifdef XP_MACOSX
  # 0 = disabled, 1 = Shift, 2 = Ctrl, 4 = Alt, 3 =  ctrl+shift, 8 = Meta
  value: 2
#else
  # 0 = disabled, 1 = Shift, 2 = Ctrl, 4 = Alt, 5 =  Alt+Shift,
  # 8 = Meta, 16 = Win
  value: 4
#endif
  mirror: always

# Only used if generalAccessKey is -1.
- name: ui.key.contentAccess
  type: int32_t
#ifdef XP_MACOSX
  # 0 = disabled, 1 = Shift, 2 = Ctrl, 4 = Alt, 3 = ctrl+shift, 8 = Meta
  value: 6
#else
  # 0 = disabled, 1 = Shift, 2 = Ctrl, 4 = Alt, 5 =  Alt+Shift,
  # 8 = Meta, 16 = Win
  value: 5
#endif
  mirror: always

# Does the access key by itself focus the menu bar?
- name: ui.key.menuAccessKeyFocuses
  type: bool
#if defined(XP_WIN) || defined(MOZ_WIDGET_GTK)
  # On Windows and Linux, we now default to showing the menu bar only when alt
  # is pressed.
  value: true
#else
  value: false
#endif
  mirror: always

# Whether native key bindings in the environment or builtin shortcut key
# definitions in Gecko are used first in <input> and <textarea>
- name: ui.key.textcontrol.prefer_native_key_bindings_over_builtin_shortcut_key_definitions
  type: bool
  value: true
  mirror: always

#ifdef MOZ_WIDGET_GTK
# Only GtkTextView (native multiline text viewer/editor) supports "select-all"
# signal so that we cannot know "select-all" key bindings only with GtkEntry.
# When this pref is set to true, if a key combination does not cause any
# signals in GtkEntry, try to check the key combination is mapped to
# "select-all" in GtkTextView or not.  If it's mapped to other commands, they
# are just ignored.
- name: ui.key.use_select_all_in_single_line_editor
  type: bool
  value: true
  mirror: always
#endif

# Duration of timeout of incremental search in menus (ms).  0 means infinite.
- name: ui.menu.incremental_search.timeout
  type: uint32_t
  value: 1000
  mirror: always

# If true, all popups won't hide automatically on blur
- name: ui.popup.disable_autohide
  type: RelaxedAtomicBool
  value: false
  mirror: always

# Negate scroll, true will make the mouse scroll wheel move the screen the
# same direction as with most desktops or laptops.
- name: ui.scrolling.negate_wheel_scroll
  type: RelaxedAtomicBool
  value: @IS_ANDROID@
  mirror: always

# If the user puts a finger down on an element and we think the user might be
# executing a pan gesture, how long do we wait before tentatively deciding the
# gesture is actually a tap and activating the target element?
- name: ui.touch_activation.delay_ms
  type: int32_t
  value: 100
  mirror: always

# If the user has clicked an element, how long do we keep the :active state
# before it is cleared by the mouse sequences fired after a
# touchstart/touchend.
- name: ui.touch_activation.duration_ms
  type: int32_t
  value: 10
  mirror: always

# Prevent system colors from being exposed to CSS or canvas.
- name: ui.use_standins_for_native_colors
  type: RelaxedAtomicBool
  value: false
  mirror: always

# Disable page loading activity cursor by default.
- name: ui.use_activity_cursor
  type: bool
  value: false
  mirror: always

# Whether context menus should only appear on mouseup instead of mousedown,
# on OSes where they normally appear on mousedown (macOS, *nix).
# Note: ignored on Windows (context menus always use mouseup).
- name: ui.context_menus.after_mouseup
  type: bool
  value: false
  mirror: always

# Whether click-hold context menus are enabled.
- name: ui.click_hold_context_menus
  type: RelaxedAtomicBool
  value: false
  mirror: always

# How long to wait for a drag gesture before displaying click-hold context menu,
# in milliseconds.
- name: ui.click_hold_context_menus.delay
  type: RelaxedAtomicInt32
  value: 500
  mirror: always

# When enabled, the touch.radius and mouse.radius prefs allow events to be
# dispatched to nearby elements that are sensitive to the event. See
# PositionedEventTargeting.cpp. The 'mm' prefs define a rectangle around the
# nominal event target point within which we will search for suitable elements.
# 'visitedWeight' is a percentage weight; a value > 100 makes a visited link be
# treated as further away from the event target than it really is, while a
# value < 100 makes a visited link be treated as closer to the event target
# than it really is.

- name: ui.touch.radius.enabled
  type: bool
  value: @IS_ANDROID@
  mirror: always

- name: ui.touch.radius.topmm
  type: uint32_t
#ifdef ANDROID
  value: 2
#else
  value: 12
#endif
  mirror: always

- name: ui.touch.radius.rightmm
  type: uint32_t
#ifdef ANDROID
  value: 3
#else
  value: 8
#endif
  mirror: always

- name: ui.touch.radius.bottommm
  type: uint32_t
#ifdef ANDROID
  value: 2
#else
  value: 4
#endif
  mirror: always

- name: ui.touch.radius.leftmm
  type: uint32_t
#ifdef ANDROID
  value: 3
#else
  value: 8
#endif
  mirror: always

- name: ui.touch.radius.visitedWeight
  type: uint32_t
  value: 120
  mirror: always

- name: ui.mouse.radius.enabled
  type: bool
  value: @IS_ANDROID@
  mirror: always

- name: ui.mouse.radius.topmm
  type: uint32_t
#ifdef ANDROID
  value: 2
#else
  value: 12
#endif
  mirror: always

- name: ui.mouse.radius.rightmm
  type: uint32_t
#ifdef ANDROID
  value: 3
#else
  value: 8
#endif
  mirror: always

- name: ui.mouse.radius.bottommm
  type: uint32_t
#ifdef ANDROID
  value: 2
#else
  value: 4
#endif
  mirror: always

- name: ui.mouse.radius.leftmm
  type: uint32_t
#ifdef ANDROID
  value: 3
#else
  value: 8
#endif
  mirror: always

- name: ui.mouse.radius.visitedWeight
  type: uint32_t
  value: 120
  mirror: always

- name: ui.mouse.radius.reposition
  type: bool
  value: @IS_ANDROID@
  mirror: always

# When true, the ui.mouse.radius.* prefs will only affect simulated mouse
# events generated by touch input. When false, the prefs will be used for all
# mouse events.
- name: ui.mouse.radius.inputSource.touchOnly
  type: bool
  value: true
  mirror: always

#---------------------------------------------------------------------------
# Prefs starting with "urlclassifier."
#---------------------------------------------------------------------------

# Update server response timeout for Safe Browsing.
- name: urlclassifier.update.response_timeout_ms
  type: uint32_t
  value: 30000
  mirror: always

# Download update timeout for Safe Browsing.
- name: urlclassifier.update.timeout_ms
  type: uint32_t
  value: 90000
  mirror: always

#---------------------------------------------------------------------------
# Prefs starting with "view_source."
#---------------------------------------------------------------------------

- name: view_source.editor.external
  type: bool
  value: false
  mirror: always

- name: view_source.wrap_long_lines
  type: bool
  value: @IS_ANDROID@
  mirror: always

- name: view_source.syntax_highlight
  type: bool
  value: true
  mirror: always

- name: view_source.tab_size
  type: int32_t
  value: 4
  mirror: always

#---------------------------------------------------------------------------
# Prefs starting with "webgl." (for pref access from Worker threads)
#---------------------------------------------------------------------------

- name: webgl.1.allow-core-profiles
  type: RelaxedAtomicBool
#ifdef XP_MACOSX
  value: true
#else
  value: false
#endif
  mirror: always

- name: webgl.angle.force-d3d11
  type: RelaxedAtomicBool
  value: false
  mirror: always

- name: webgl.angle.try-d3d11
  type: RelaxedAtomicBool
#ifdef XP_WIN
  value: true
#else
  value: false
#endif
  mirror: always

- name: webgl.angle.force-warp
  type: RelaxedAtomicBool
  value: false
  mirror: always

- name: webgl.auto-flush
  type: RelaxedAtomicBool
  value: true
  mirror: always

- name: webgl.auto-flush.gl
  type: RelaxedAtomicBool
  value: false
  mirror: always

- name: webgl.can-lose-context-in-foreground
  type: RelaxedAtomicBool
  value: true
  mirror: always

- name: webgl.cgl.multithreaded
  type: RelaxedAtomicBool
  value: true
  mirror: always

- name: webgl.colorspaces.prototype
  type: RelaxedAtomicBool
  value: false
  mirror: always

- name: webgl.debug.incomplete-tex-color
  type: RelaxedAtomicUint32
  value: 0
  mirror: always

- name: webgl.default-antialias
  type: RelaxedAtomicBool
  value: @IS_NOT_ANDROID@
  mirror: always

- name: webgl.default-no-alpha
  type: RelaxedAtomicBool
  value: false
  mirror: always

- name: webgl.disable-angle
  type: RelaxedAtomicBool
  value: false
  mirror: always

- name: webgl.disable-wgl
  type: RelaxedAtomicBool
  value: false
  mirror: always

- name: webgl.dxgl.enabled
  type: RelaxedAtomicBool
#ifdef XP_WIN
  value: true
#else
  value: false
#endif
  mirror: always

- name: webgl.dxgl.needs-finish
  type: RelaxedAtomicBool
  value: false
  mirror: always

- name: webgl.disable-fail-if-major-performance-caveat
  type: RelaxedAtomicBool
  value: true
  mirror: always

- name: webgl.disable-DOM-blit-uploads
  type: RelaxedAtomicBool
#if defined(MOZ_AARCH64) && defined(XP_MACOSX)
  value: true
#else
  value: false
#endif
  mirror: always

- name: webgl.disabled
  type: RelaxedAtomicBool
  value: false
  mirror: always

- name: webgl.enable-debug-renderer-info
  type: RelaxedAtomicBool
  value: true
  mirror: always

- name: webgl.enable-draft-extensions
  type: RelaxedAtomicBool
  value: false
  mirror: always

- name: webgl.enable-privileged-extensions
  type: RelaxedAtomicBool
  value: false
  mirror: always

- name: webgl.enable-renderer-query
  type: RelaxedAtomicBool
  value: true
  mirror: always

- name: webgl.enable-surface-texture
  type: RelaxedAtomicBool
  value: true
  mirror: always

- name: webgl.enable-webgl2
  type: RelaxedAtomicBool
  value: true
  mirror: always

- name: webgl.fake-verts.max
  type: RelaxedAtomicUint32
  value: 10*1000*1000  # 10M as vec4 is count*4*4 = 160MB
  mirror: always

# Only works on Mac for now.
- name: webgl.forbid-hardware
  type: RelaxedAtomicBool
  value: false
  mirror: always

# Only works on Mac for now.
- name: webgl.forbid-software
  type: RelaxedAtomicBool
  value: true  # It's generally better to encourage fallback to e.g. canvas2d.
  mirror: always

- name: webgl.force-enabled
  type: RelaxedAtomicBool
  value: false
  mirror: always

- name: webgl.force-index-validation
  type: RelaxedAtomicInt32
  value: 0
  mirror: always

- name: webgl.gl_khr_no_error
  type: RelaxedAtomicBool
#ifdef XP_WIN
  value: false
#else
  value: true
#endif
  mirror: always

- name: webgl.lose-context-on-memory-pressure
  type: RelaxedAtomicBool
  value: false
  mirror: always

- name: webgl.max-contexts
  type: RelaxedAtomicUint32
  value: 1000
  mirror: always

- name: webgl.max-contexts-per-principal
  type: RelaxedAtomicUint32
  value: 300
  mirror: always

- name: webgl.max-size-per-texture-mib
  type: RelaxedAtomicUint32
  value: 1024
  mirror: always

- name: webgl.max-vert-ids-per-draw
  type: RelaxedAtomicUint32
  value: 30*1000*1000
  mirror: always

- name: webgl.max-warnings-per-context
  type: RelaxedAtomicUint32
  value: 32
  mirror: always

- name: webgl.min_capability_mode
  type: RelaxedAtomicBool
  value: false
  mirror: always

- name: webgl.msaa-force
  type: RelaxedAtomicBool
  value: false
  mirror: always

- name: webgl.msaa-samples
  type: RelaxedAtomicUint32
  value: 4
  mirror: always

- name: webgl.out-of-process
  type: RelaxedAtomicBool
# (When reading the next line, know that preprocessor.py doesn't
# understand parentheses, but && is higher precedence than ||.)
  value: true
  mirror: always

- name: webgl.out-of-process.worker
  type: RelaxedAtomicBool
# (When reading the next line, know that preprocessor.py doesn't
# understand parentheses, but && is higher precedence than ||.)
  value: true
  mirror: always

- name: webgl.out-of-process.force
  type: RelaxedAtomicBool
  value: false
  mirror: always

- name: webgl.out-of-process.shmem-size
  type: RelaxedAtomicUint32
  value: 100000 # 100KB
  mirror: always

- name: webgl.out-of-process.async-present
  type: RelaxedAtomicBool
  value: true
  mirror: always

# Forces async present to wait for a sync, even while using remote textures.
- name: webgl.out-of-process.async-present.force-sync
  type: RelaxedAtomicBool
#if defined(EARLY_BETA_OR_EARLIER)
  value: false
#else
  value: true
#endif
  mirror: always

#if defined(MOZ_WIDGET_ANDROID)
- name: webgl.out-of-process.enable-ahardwarebuffer
  type: bool
  value: false
  mirror: once
#endif

# Override the blocklist to assume that GL is threadsafe.
- name: webgl.threadsafe-gl.force-enabled
  type: bool
  value: false
  mirror: once

# Override the blocklist to assume that GL is not threadsafe.
- name: webgl.threadsafe-gl.force-disabled
  type: bool
  value: false
  mirror: once

- name: webgl.use-canvas-render-thread
  type: bool
  value: true
  mirror: once

- name: webgl.override-unmasked-renderer
  type: DataMutexString
  value: ""
  mirror: always

- name: webgl.override-unmasked-vendor
  type: DataMutexString
  value: ""
  mirror: always

- name: webgl.power-preference-override
  type: RelaxedAtomicInt32
  value: 0
  mirror: always

- name: webgl.prefer-16bpp
  type: RelaxedAtomicBool
  value: false
  mirror: always

- name: webgl.sanitize-unmasked-renderer
  type: RelaxedAtomicBool
  value: true
  mirror: always

- name: webgl.allow-immediate-queries
  type: RelaxedAtomicBool
  value: false
  mirror: always

- name: webgl.allow-fb-invalidation
  type: RelaxedAtomicBool
  value: false
  mirror: always


- name: webgl.perf.max-warnings
  type: RelaxedAtomicInt32
  value: 0
  mirror: always

- name: webgl.perf.max-acceptable-fb-status-invals
  type: RelaxedAtomicInt32
  value: 0
  mirror: always

- name: webgl.perf.spew-frame-allocs
  type: RelaxedAtomicBool
  value: true
  mirror: always

#---------------------------------------------------------------------------
# Prefs starting with "widget."
#---------------------------------------------------------------------------

# Global user preference for disabling native theme in content processes.
#
# NOTE(emilio): When changing this make sure to update the non_native_theme
# entry in python/mozbuild/mozbuild/mozinfo.py and test_fission_autostart.py
- name: widget.non-native-theme.enabled
  type: RelaxedAtomicBool
  value: true
  mirror: always

# Whether the non-native theme should always use system colors. Useful mostly
# for testing forced colors mode.
- name: widget.non-native-theme.always-high-contrast
  type: RelaxedAtomicBool
  value: false
  mirror: always

# The style of scrollbars to use. Here are the current options:
#
#   0: Default platform scrollbar style.
#   1: macOS scrollbars
#   2: GTK scrollbars
#   3: Android scrollbars
#   4: Windows 10 scrollbars
#   5: Windows 11 scrollbars
#
# Note that switching to non-default scrollbars is experimental and other
# scrollbar-related prefs may interfere with the experience. For example,
# setting the GTK thumb size may have no effect when using non-GTK scrollbars
# on GTK.
- name: widget.non-native-theme.scrollbar.style
  type: uint32_t
  value: 0
  mirror: always

# An override that allows to override the default platform size. The size in CSS
# pixels at full zoom of the minimum scrollbar width.
- name: widget.non-native-theme.scrollbar.size.override
  type: uint32_t
  value: 0
  mirror: always

# Whether we should use themed values for dark scrollbars.
- name: widget.non-native-theme.scrollbar.dark-themed
  type: RelaxedAtomicBool
  value: true
  mirror: always

# Whether the active thumb color should always use the themed colors, even if
# dark scrollbars are in use.
- name: widget.non-native-theme.scrollbar.active-always-themed
  type: RelaxedAtomicBool
  value: true
  mirror: always

# Whether we use the Windows CSS scrollbar sizes, or the scrollbar sizes
# defined above.
- name: widget.non-native-theme.win.scrollbar.use-system-size
  type: bool
  value: true
  mirror: always

# Whether Windows 11 scrollbars are always drawn with the thinner "overlay"
# scrollbar style.
- name: widget.non-native-theme.win11.scrollbar.force-overlay-style
  type: bool
  value: false
  mirror: always

# The amount of space that the thumb should fill the scrollbar, from zero to
# one.
- name: widget.non-native-theme.gtk.scrollbar.thumb-size
  type: float
  value: 0.75
  mirror: always

# The minimum size of the scroll thumb, in the scrollbar direction.
- name: widget.non-native-theme.gtk.scrollbar.thumb-cross-size
  type: uint32_t
  value: 40
  mirror: always

# Whether the thumb should be rounded for the non-native scrollbars.
- name: widget.non-native-theme.gtk.scrollbar.round-thumb
  type: bool
  value: true
  mirror: always

# Whether buttons shouldn't be suppressed for non-native scrollbars.
- name: widget.non-native-theme.gtk.scrollbar.allow-buttons
  type: bool
  value: false
  mirror: always

# Whether we should use the default accent color or the theme-provided one for
# content (e.g. for form controls and CSS system colors).
#
# Turned off on Windows, for now (we always use the default blue-ish
# accent-color there). We might want to turn this on there, though it's worth
# thinking on what the behavior should be for grey-ish accent colors (which are
# a thing on Windows and can cause confusion with things like disabled form
# controls). Maybe it's just fine.
- name: widget.non-native-theme.use-theme-accent
  type: RelaxedAtomicBool
#ifdef XP_WIN
  value: false
#else
  value: true
#endif
  mirror: always

# Whether we should try to use WebRender to render widgets.
- name: widget.non-native-theme.webrender
  type: bool
#if defined(XP_MACOSX)
  # Disabled on macOS release / beta because of a suspected AMD driver bug (see
  # bug 1715452).
  value: @IS_NIGHTLY_BUILD@
#else
  value: true
#endif
  mirror: always

# Whether the outline style should be one big stroke or two contrasting strokes
- name: widget.non-native-theme.solid-outline-style
  type: bool
  value: false
  mirror: always

# Preference to disable dark scrollbar implementation.
# This is mainly for testing because dark scrollbars have to be semi-
# transparent, but many reftests expect scrollbars to look identical
# among different backgrounds.
# However, some users may want to disable this as well.
- name: widget.disable-dark-scrollbar
  type: bool
  value: false
  mirror: always

- name: widget.window-transforms.disabled
  type: RelaxedAtomicBool
  value: false
  mirror: always

#ifdef XP_MACOSX

# Whether to shift by the menubar height on fullscreen mode.
# 0: never
# 1: always
# 2: auto (tries to detect when it is needed)
- name: widget.macos.shift-by-menubar-on-fullscreen
  type: RelaxedAtomicUint32
  value: 2
  mirror: always

- name: widget.macos.native-context-menus
  type: RelaxedAtomicBool
  value: true
  mirror: always
#endif

# Whether native GTK context menus are enabled.
# Disabled because at the very least there's missing custom icon support.
- name: widget.gtk.native-context-menus
  type: RelaxedAtomicBool
  value: false
  mirror: always

# Whether we use overlay scrollbars on GTK.
- name: widget.gtk.overlay-scrollbars.enabled
  type: RelaxedAtomicBool
  value: true
  mirror: always

# Whether we honor the scrollbar colors from the gtk theme.
- name: widget.gtk.theme-scrollbar-colors.enabled
  type: bool
  value: true
  mirror: always

# Whether selection colors for the non-system theme get passed from the system
# GTK theme.
- name: widget.gtk.alt-theme.selection
  type: bool
  value: true
  mirror: always

# Whether form control accent colors for the non-system theme get passed from
# the system GTK theme.
- name: widget.gtk.alt-theme.accent
  type: bool
  value: true
  mirror: always

# Whether the scrollbar thumb active color from the non-system theme gets
# passed from the system GTK theme.
- name: widget.gtk.alt-theme.scrollbar_active
  type: bool
  value: true
  mirror: always

# Whether we should try to grab the pointer on popups.
#  0: Never
#  1: Always
#  2: Auto (depending on the system)
- name: widget.gtk.grab-pointer
  type: int32_t
  value: 2
  mirror: always

# Whether we should try ignore bogus leave-notify events from the window
# manager.
#  0: Never
#  1: Always
#  2: Auto (depending on the system)
- name: widget.gtk.ignore-bogus-leave-notify
  type: int32_t
  value: 2
  mirror: always

# Whether to use gtk high contrast themes to disable content styling like on
# windows high contrast mode.
- name: widget.content.gtk-high-contrast.enabled
  type: bool
  value: true
  mirror: always

# Whether to pause the compositor when a native window is minimized.
- name: widget.pause-compositor-when-minimized
  type: bool
  value: true
  mirror: always

#ifdef MOZ_WAYLAND
# Whether to override the DMABuf blocklist.
- name: widget.dmabuf.force-enabled
  type: bool
  value: false
  mirror: once

#ifdef NIGHTLY_BUILD
# Keep those pref hidden on non-nightly builds to avoid people accidentally
# turning it on.

# Use DMABuf for content textures.
# For testing purposes only.
- name: widget.dmabuf-textures.enabled
  type: RelaxedAtomicBool
  value: false
  mirror: always
#endif

# Use DMABuf backend for WebGL.
- name: widget.dmabuf-webgl.enabled
  type: RelaxedAtomicBool
  value: true
  mirror: always

# Force fractional scaling using wp_viewporter. Valid values: 0.5 - 8
- name: widget.wayland.fractional_buffer_scale
  type: float
  value: 0.0f
  mirror: once

# Use opaque region for MozContainer wl_surface
- name: widget.wayland.opaque-region.enabled
  type: bool
  value: true
  mirror: once

# Use frame callback based vsync
- name: widget.wayland.vsync.enabled
  type: bool
  value: true
  mirror: once

# Whether to keep firing vsync at layout.throttled_frame_rate after we've been
# occluded.
- name: widget.wayland.vsync.keep-firing-at-idle
  type: bool
  value: false
  mirror: always
#endif

#ifdef MOZ_WIDGET_GTK

# Use gdk_window_move_to_rect to move Wayland popups when available.
- name: widget.wayland.use-move-to-rect
  type: bool
  value: true
  mirror: once

# The time we should spend on a DBUS call to the FileManager1 interface before
# giving up and trying an alternative method.
#
# -1 for the default system timeout, INT_MAX for "infinite time".
#
# This happens right now on the main thread so 1 second should be enough, we
# should consider moving it to a background task and just use the default
# timeout.
- name: widget.gtk.file-manager-show-items-timeout-ms
  type: int32_t
  value: 1000
  mirror: always

# The timeout we should spend on a DBUS call to the Settings proxy before
# giving up.
#
# -1 for the default system timeout, INT_MAX for "infinite time".
#
# This runs just once, but during startup, so make sure it doesn't take too
# long. Three seconds should be way more than enough, and if we don't get the
# reply on time then the only potential issue is that we use a light instead of
# dark interface or vice versa.
- name: widget.gtk.settings-portal-timeout-ms
  type: int32_t
  value: 3000
  mirror: always

# Whether to use gtk portal for the file picker.
#  - 0: never
#  - 1: always
#  - 2: auto (true for flatpak or GTK_USE_PORTAL=1, false otherwise)
- name: widget.use-xdg-desktop-portal.file-picker
  type: int32_t
  value: 2
  mirror: always

# Whether to use gtk portal for the mime handler.
#  - 0: never
#  - 1: always
#  - 2: auto (for now only true for flatpak, see bug 1516290)
- name: widget.use-xdg-desktop-portal.mime-handler
  type: int32_t
  value: 2
  mirror: always

# Whether to try to use XDG portal for settings / look-and-feel information.
# https://flatpak.github.io/xdg-desktop-portal/#gdbus-org.freedesktop.portal.Settings
#  - 0: never
#  - 1: always
#  - 2: auto
- name: widget.use-xdg-desktop-portal.settings
  type: int32_t
  value: 2
  mirror: always

# Whether to use XDG portal for geolocation.
# https://flatpak.github.io/xdg-desktop-portal/#gdbus-org.freedesktop.portal.Location
#  - 0: never
#  - 1: always
#  - 2: auto
- name: widget.use-xdg-desktop-portal.location
  type: int32_t
  value: 2
  mirror: always
# Whether to use XDG portal for opening to a file.
# https://flatpak.github.io/xdg-desktop-portal/#gdbus-org.freedesktop.portal.OpenURI
#  - 0: never
#  - 1: always
#  - 2: auto (true for flatpak or GTK_USE_PORTAL=1, false otherwise)
- name: widget.use-xdg-desktop-portal.open-uri
  type: int32_t
  value: 2
  mirror: always
#endif

#ifdef XP_WIN
# WindowsUIUtils::Share to wait for user action on Windows share dialog
# `true` means the promise resolves when user completes or cancels the share
# action. This can be unsafe since selecting copy action fires no DataPackage
# event as of 21H1.
# `false` means the promise resolves when the share data is passed to
# DataPackage.
# This affects the behavior of `navigator.share()`.
- name: widget.windows.share.wait_action.enabled
  type: bool
  value: false
  mirror: always

- name: widget.windows.window_occlusion_tracking.enabled
  type: bool
  value: true
  mirror: always

# Whether overlay scrollbars respect the system settings.
# Note that these can be overridden by the ui.useOverlayScrollbars pref.
- name: widget.windows.overlay-scrollbars.enabled
  type: bool
  value: true
  mirror: always

# Whether we allow accessing the UWP system color pallete.
- name: widget.windows.uwp-system-colors.enabled
  type: bool
  value: true
  mirror: always

# Whether we use the accent color for highlight as some other UWP apps do.
#
# false for now since it can cause some contrast-with-background issues
# specially with grey accents, see bug 1776588.
- name: widget.windows.uwp-system-colors.highlight-accent
  type: bool
  value: false
  mirror: always

- name: widget.windows.window_occlusion_tracking_display_state.enabled
  type: bool
  value: false
  mirror: always

- name: widget.windows.window_occlusion_tracking_session_lock.enabled
  type: bool
  value: true
  mirror: always

- name: widget.windows.hide_cursor_when_typing
  type: bool
  value: false
  mirror: always

# Whether to apply logic intended to improve taskbar behavior involving
# non-foreground fullscreen windows. (See bug 1732517.)
- name: widget.windows.alternate_fullscreen_heuristics
  type: RelaxedAtomicBool
  value: true
  mirror: always

# Whether to apply a workaround intended to prevent Windows from treating
# non-foreground-marked fullscreen windows as fullscreen on Windows 7 and
# earlier. (See bug 1732517.)
#
# Valid values:
#  * -1: the workaround is never used.
#  *  1: the workaround is always used.
#  *  0: the workaround is used if we think it should be. (Default.)
- name: widget.windows.fullscreen_marking_workaround
  type: RelaxedAtomicInt32
  value: 0
  mirror: always

# The number of messages of each type to keep for display in
# about:windows-messages
- name: widget.windows.messages_to_log
  type: RelaxedAtomicUint32
  value: 6
  mirror: always

# Whether to flush the Ole clipboard synchronously.
# Possible values are:
#  * 0: never
#  * 1: always
#  * 2 (or others): when needed
- name: widget.windows.sync-clipboard-flush
  type: uint32_t
  value: 2
  mirror: always

# Whether to apply a hack (adjusting the window height by -1px and back again)
# upon first entering fullscreen intended to work around a bug exhibited under
# on some Windows 11 machines under some configurations. (See bug 1763981.)
#
# Semantics:
#  * 0: never
#  * 1: always
#  * 2: auto
- name: widget.windows.apply-dwm-resize-hack
  type: RelaxedAtomicInt32
  value: 2
  mirror: always
#endif

# Whether to disable SwipeTracker (e.g. swipe-to-nav).
- name: widget.disable-swipe-tracker
  type: bool
  value: false
  mirror: always

# Various metrics to control SwipeTracker.
- name: widget.swipe.velocity-twitch-tolerance
  type: float
  value: 0.0000001f
  mirror: always

- name: widget.swipe.success-velocity-contribution
  type: float
  value: 0.05f
  mirror: always

# The values for this pref are derived from trial and error in an effort to
# match the existing behavior on the respective platforms.
- name: widget.swipe.whole-page-pixel-size
  type: float
#if defined(XP_WIN)
  value: 1100.0f
#elif defined(XP_MACOSX)
  value: 550.0f
#else
  value: 40.0f
#endif
  mirror: always

- name: widget.transparent-windows
  type: bool
  value: true
  mirror: once

#---------------------------------------------------------------------------
# Prefs starting with "zoom."
#---------------------------------------------------------------------------

- name: zoom.maxPercent
  type: uint32_t
#ifdef ANDROID
  value: 400
#else
  value: 500
#endif
  mirror: always

- name: zoom.minPercent
  type: uint32_t
#ifdef ANDROID
  value: 20
#else
  value: 30
#endif
  mirror: always

#---------------------------------------------------------------------------
# End of prefs
#---------------------------------------------------------------------------