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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
commit | 26a029d407be480d791972afb5975cf62c9360a6 (patch) | |
tree | f435a8308119effd964b339f76abb83a57c29483 /gfx/layers/apz/public/IAPZCTreeManager.h | |
parent | Initial commit. (diff) | |
download | firefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz firefox-26a029d407be480d791972afb5975cf62c9360a6.zip |
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'gfx/layers/apz/public/IAPZCTreeManager.h')
-rw-r--r-- | gfx/layers/apz/public/IAPZCTreeManager.h | 151 |
1 files changed, 151 insertions, 0 deletions
diff --git a/gfx/layers/apz/public/IAPZCTreeManager.h b/gfx/layers/apz/public/IAPZCTreeManager.h new file mode 100644 index 0000000000..59135699a1 --- /dev/null +++ b/gfx/layers/apz/public/IAPZCTreeManager.h @@ -0,0 +1,151 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim: set ts=8 sts=2 et sw=2 tw=80: */ +/* 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/. */ + +#ifndef mozilla_layers_IAPZCTreeManager_h +#define mozilla_layers_IAPZCTreeManager_h + +#include <stdint.h> // for uint64_t, uint32_t + +#include "mozilla/layers/LayersTypes.h" // for TouchBehaviorFlags +#include "mozilla/layers/ScrollableLayerGuid.h" // for ScrollableLayerGuid, etc +#include "mozilla/layers/ZoomConstraints.h" // for ZoomConstraints +#include "nsTArrayForwardDeclare.h" // for nsTArray, nsTArray_Impl, etc +#include "nsISupportsImpl.h" // for MOZ_COUNT_CTOR, etc +#include "Units.h" // for CSSRect, etc + +namespace mozilla { +namespace layers { + +class APZInputBridge; +class KeyboardMap; +struct ZoomTarget; + +enum AllowedTouchBehavior { + NONE = 0, + VERTICAL_PAN = 1 << 0, + HORIZONTAL_PAN = 1 << 1, + PINCH_ZOOM = 1 << 2, + ANIMATING_ZOOM = 1 << 3, + UNKNOWN = 1 << 4 +}; + +enum ZoomToRectBehavior : uint32_t { + DEFAULT_BEHAVIOR = 0, + DISABLE_ZOOM_OUT = 1 << 0, + PAN_INTO_VIEW_ONLY = 1 << 1, + ONLY_ZOOM_TO_DEFAULT_SCALE = 1 << 2, + ZOOM_TO_FOCUSED_INPUT = 1 << 3, +}; + +enum class BrowserGestureResponse : bool; + +class AsyncDragMetrics; +struct APZHandledResult; + +class IAPZCTreeManager { + NS_INLINE_DECL_THREADSAFE_VIRTUAL_REFCOUNTING(IAPZCTreeManager) + + public: + /** + * Set the keyboard shortcuts to use for translating keyboard events. + */ + virtual void SetKeyboardMap(const KeyboardMap& aKeyboardMap) = 0; + + /** + * Kicks an animation to zoom to a rect. This may be either a zoom out or zoom + * in. The actual animation is done on the sampler thread after being set + * up. |aRect| must be given in CSS pixels, relative to the document. + * |aFlags| is a combination of the ZoomToRectBehavior enum values. + */ + virtual void ZoomToRect(const ScrollableLayerGuid& aGuid, + const ZoomTarget& aZoomTarget, + const uint32_t aFlags = DEFAULT_BEHAVIOR) = 0; + + /** + * If we have touch listeners, this should always be called when we know + * definitively whether or not content has preventDefaulted any touch events + * that have come in. If |aPreventDefault| is true, any touch events in the + * queue will be discarded. This function must be called on the controller + * thread. + */ + virtual void ContentReceivedInputBlock(uint64_t aInputBlockId, + bool aPreventDefault) = 0; + + /** + * When the event regions code is enabled, this function should be invoked to + * to confirm the target of the input block. This is only needed in cases + * where the initial input event of the block hit a dispatch-to-content region + * but is safe to call for all input blocks. This function should always be + * invoked on the controller thread. + * The different elements in the array of targets correspond to the targets + * for the different touch points. In the case where the touch point has no + * target, or the target is not a scrollable frame, the target's |mScrollId| + * should be set to ScrollableLayerGuid::NULL_SCROLL_ID. + */ + virtual void SetTargetAPZC(uint64_t aInputBlockId, + const nsTArray<ScrollableLayerGuid>& aTargets) = 0; + + /** + * Updates any zoom constraints contained in the <meta name="viewport"> tag. + * If the |aConstraints| is Nothing() then previously-provided constraints for + * the given |aGuid| are cleared. + */ + virtual void UpdateZoomConstraints( + const ScrollableLayerGuid& aGuid, + const Maybe<ZoomConstraints>& aConstraints) = 0; + + virtual void SetDPI(float aDpiValue) = 0; + + /** + * Sets allowed touch behavior values for current touch-session for specific + * input block (determined by aInputBlock). + * Should be invoked by the widget. Each value of the aValues arrays + * corresponds to the different touch point that is currently active. + * Must be called after receiving the TOUCH_START event that starts the + * touch-session. + * This must be called on the controller thread. + */ + virtual void SetAllowedTouchBehavior( + uint64_t aInputBlockId, const nsTArray<TouchBehaviorFlags>& aValues) = 0; + + virtual void SetBrowserGestureResponse(uint64_t aInputBlockId, + BrowserGestureResponse aResponse) = 0; + + virtual void StartScrollbarDrag(const ScrollableLayerGuid& aGuid, + const AsyncDragMetrics& aDragMetrics) = 0; + + virtual bool StartAutoscroll(const ScrollableLayerGuid& aGuid, + const ScreenPoint& aAnchorLocation) = 0; + + virtual void StopAutoscroll(const ScrollableLayerGuid& aGuid) = 0; + + /** + * Function used to disable LongTap gestures. + * + * On slow running tests, drags and touch events can be misinterpreted + * as a long tap. This allows tests to disable long tap gesture detection. + */ + virtual void SetLongTapEnabled(bool aTapGestureEnabled) = 0; + + /** + * Returns an APZInputBridge interface that can be used to send input + * events to APZ in a synchronous manner. This will always be non-null, and + * the returned object's lifetime will match the lifetime of this + * IAPZCTreeManager implementation. + * It is only valid to call this function in the UI process. + */ + virtual APZInputBridge* InputBridge() = 0; + + protected: + // Discourage destruction outside of decref + + virtual ~IAPZCTreeManager() = default; +}; + +} // namespace layers +} // namespace mozilla + +#endif // mozilla_layers_IAPZCTreeManager_h |