// 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/.
[
{
"namespace": "manifest",
"types": [
{
"$extend": "PermissionNoPrompt",
"choices": [
{
"type": "string",
"enum": ["theme"]
}
]
},
{
"id": "ThemeColor",
"description": "Defines a color value.",
"choices": [
{
"type": "string",
"description": "A string containing a valid `CSS color string <|link-css-color-string|>`__, including hexadecimal or functional representations. For example the color *crimson* can be specified as: crimson #dc143c rgb(220, 20, 60) (or rgba(220, 20, 60, 0.5) to set 50% opacity) hsl(348, 83%, 47%) (or hsla(348, 83%, 47%, 0.5) to set 50% opacity)"
},
{
"type": "array",
"description": "An RGB array of 3 integers. For example [220, 20, 60] for the color *crimson*.",
"minItems": 3,
"maxItems": 3,
"items": {
"type": "integer",
"minimum": 0,
"maximum": 255
}
},
{
"type": "array",
"description": "An RGBA array of 3 integers and a fractional (a float between 0 and 1). For example [220, 20, 60, 0.5] for the color *crimson* with 50% opacity.",
"minItems": 4,
"maxItems": 4,
"items": {
"type": "number"
}
}
]
},
{
"id": "ThemeExperiment",
"description": "Defines additional color, image and property keys to be used in :ref:`theme.ThemeType`, extending the theme-able areas of Thunderbird.",
"type": "object",
"properties": {
"stylesheet": {
"optional": true,
"description": "URL to a stylesheet introducing additional CSS variables, extending the theme-able areas of Thunderbird. The `theme_experiment add-on in our example repository `__ is using the stylesheet shown below, to add the --chat-button-color CSS color variable: includes/theme/theme_experiment_style.cssCSSThe following manifest.json file maps the --chat-button-color CSS color variable to the theme color key exp_chat_button and uses it to set a color for the chat button: includes/theme/theme_experiment_manifest.jsonJSON",
"$ref": "ExtensionURL"
},
"images": {
"type": "object",
"optional": true,
"description": "A dictionary object with one or more key-value pairs to map new theme image keys to internal Thunderbird CSS image variables. The new image key is usable as an image reference in :ref:`theme.ThemeType`. Example: includes/theme/theme_experiment_image.jsonJSON",
"additionalProperties": {
"type": "string"
}
},
"colors": {
"type": "object",
"optional": true,
"description": "A dictionary object with one or more key-value pairs to map new theme color keys to internal Thunderbird CSS color variables. The example shown below maps the theme color key popup_affordance to the CSS color variable --arrowpanel-dimmed. The new color key is usable as a color reference in :ref:`theme.ThemeType`. includes/theme/theme_experiment_color.jsonJSON",
"additionalProperties": {
"type": "string"
}
},
"properties": {
"type": "object",
"optional": true,
"description": "A dictionary object with one or more key-value pairs to map new theme property keys to internal Thunderbird CSS property variables. The new property key is usable as a property reference in :ref:`theme.ThemeType`. Example: includes/theme/theme_experiment_property.jsonJSON",
"additionalProperties": {
"type": "string"
}
}
}
},
{
"id": "ThemeType",
"description": "Contains the color, image and property settings of a theme.",
"type": "object",
"properties": {
"images": {
"description": "A dictionary object with one or more key-value pairs to map images to theme image keys. The following built-in theme image keys are supported:",
"type": "object",
"optional": true,
"properties": {
"additional_backgrounds": {
"type": "array",
"items": {
"$ref": "ImageDataOrExtensionURL"
},
"maxItems": 15,
"optional": true,
"description": "Additional images added to the header area and displayed behind the ``theme_frame`` image."
},
"headerURL": {
"$ref": "ImageDataOrExtensionURL",
"optional": true,
"deprecated": "Unsupported images property, use ``theme.images.theme_frame``, this alias is ignored in Thunderbird >= 70."
},
"theme_frame": {
"$ref": "ImageDataOrExtensionURL",
"optional": true,
"description": "Foreground image on the header area."
}
},
"additionalProperties": {
"$ref": "ImageDataOrExtensionURL"
}
},
"colors": {
"description": "A dictionary object with one or more key-value pairs to map color values to theme color keys. The following built-in theme color keys are supported:",
"type": "object",
"optional": true,
"properties": {
"tab_selected": {
"$ref": "ThemeColor",
"optional": true,
"description": "Background color of the selected tab. Defaults to the color specified by ``toolbar``."
},
"accentcolor": {
"$ref": "ThemeColor",
"optional": true,
"deprecated": "Unsupported colors property, use ``theme.colors.frame``, this alias is ignored in Thunderbird >= 70."
},
"frame": {
"$ref": "ThemeColor",
"optional": true,
"description": "The background color of the header area."
},
"frame_inactive": {
"$ref": "ThemeColor",
"optional": true,
"description": "The background color of the header area when the window is inactive."
},
"textcolor": {
"$ref": "ThemeColor",
"optional": true,
"deprecated": "Unsupported color property, use ``theme.colors.tab_background_text``, this alias is ignored in Thunderbird >= 70."
},
"tab_background_text": {
"$ref": "ThemeColor",
"optional": true,
"description": "The text color of the unselected tabs."
},
"tab_background_separator": {
"$ref": "ThemeColor",
"optional": true,
"description": "The color of the vertical separator of the background tabs."
},
"tab_loading": {
"$ref": "ThemeColor",
"optional": true,
"description": "The color of the tab loading indicator."
},
"tab_text": {
"$ref": "ThemeColor",
"optional": true,
"description": "The text color for the selected tab. Defaults to the color specified by ``toolbar_text``."
},
"tab_line": {
"$ref": "ThemeColor",
"optional": true,
"description": "The color of the selected tab line."
},
"toolbar": {
"$ref": "ThemeColor",
"optional": true,
"description": "The background color of the toolbars. Also used as default value for ``tab_selected``."
},
"toolbar_text": {
"$ref": "ThemeColor",
"optional": true,
"description": "The text color in the main Thunderbird toolbar. Also used as default value for ``icons`` and ``tab_text``."
},
"bookmark_text": {
"$ref": "ThemeColor",
"optional": true,
"description": "Not used in Thunderbird."
},
"toolbar_field": {
"$ref": "ThemeColor",
"optional": true,
"description": "The background color for fields in the toolbar, such as the search field."
},
"toolbar_field_text": {
"$ref": "ThemeColor",
"optional": true,
"description": "The text color for fields in the toolbar."
},
"toolbar_field_border": {
"$ref": "ThemeColor",
"optional": true,
"description": "The border color for fields in the toolbar."
},
"toolbar_field_separator": {
"$ref": "ThemeColor",
"optional": true,
"description": "Not used in Thunderbird.",
"deprecated": "This color property is ignored in >= 89."
},
"toolbar_top_separator": {
"$ref": "ThemeColor",
"optional": true,
"description": "The color of the line separating the top of the toolbar from the region above."
},
"toolbar_bottom_separator": {
"$ref": "ThemeColor",
"optional": true,
"description": "The color of the line separating the bottom of the toolbar from the region below."
},
"toolbar_vertical_separator": {
"$ref": "ThemeColor",
"optional": true,
"description": "The color of the vertical separators on the toolbars."
},
"icons": {
"$ref": "ThemeColor",
"optional": true,
"description": "The color of the toolbar icons. Defaults to the color specified by ``toolbar_text``."
},
"icons_attention": {
"$ref": "ThemeColor",
"optional": true,
"description": "The color of the toolbar icons in attention state such as the chat icon with new messages."
},
"button_background_hover": {
"$ref": "ThemeColor",
"optional": true,
"description": "The color of the background of the toolbar buttons on hover."
},
"button_background_active": {
"$ref": "ThemeColor",
"optional": true,
"description": "The color of the background of the pressed toolbar buttons."
},
"popup": {
"$ref": "ThemeColor",
"optional": true,
"description": "The background color of popups such as the AppMenu."
},
"popup_text": {
"$ref": "ThemeColor",
"optional": true,
"description": "The text color of popups."
},
"popup_border": {
"$ref": "ThemeColor",
"optional": true,
"description": "The border color of popups."
},
"toolbar_field_focus": {
"$ref": "ThemeColor",
"optional": true,
"description": "The focused background color for fields in the toolbar."
},
"toolbar_field_text_focus": {
"$ref": "ThemeColor",
"optional": true,
"description": "The text color in the focused fields in the toolbar."
},
"toolbar_field_border_focus": {
"$ref": "ThemeColor",
"optional": true,
"description": "The focused border color for fields in the toolbar."
},
"popup_highlight": {
"$ref": "ThemeColor",
"optional": true,
"description": "The background color of items highlighted using the keyboard inside popups."
},
"popup_highlight_text": {
"$ref": "ThemeColor",
"optional": true,
"description": "The text color of items highlighted using the keyboard inside popups."
},
"ntp_background": {
"$ref": "ThemeColor",
"optional": true,
"description": "Not used in Thunderbird."
},
"ntp_text": {
"$ref": "ThemeColor",
"optional": true,
"description": "Not used in Thunderbird."
},
"sidebar": {
"$ref": "ThemeColor",
"optional": true,
"description": "The background color of the trees."
},
"sidebar_border": {
"$ref": "ThemeColor",
"optional": true,
"description": "The border color of the trees."
},
"sidebar_text": {
"$ref": "ThemeColor",
"optional": true,
"description": "The text color of the trees. Needed to enable the tree theming."
},
"sidebar_highlight": {
"$ref": "ThemeColor",
"optional": true,
"description": "The background color of highlighted rows in trees."
},
"sidebar_highlight_text": {
"$ref": "ThemeColor",
"optional": true,
"description": "The text color of highlighted rows in trees."
},
"sidebar_highlight_border": {
"$ref": "ThemeColor",
"optional": true,
"description": "The border color of highlighted rows in trees."
},
"toolbar_field_highlight": {
"$ref": "ThemeColor",
"optional": true,
"description": "The background color used to indicate the current selection of text in the search field."
},
"toolbar_field_highlight_text": {
"$ref": "ThemeColor",
"optional": true,
"description": "The color used to draw text that's currently selected in the search field."
}
},
"additionalProperties": {
"$ref": "ThemeColor"
}
},
"properties": {
"description": "A dictionary object with one or more key-value pairs to map property values to theme property keys. The following built-in theme property keys are supported:",
"type": "object",
"optional": true,
"properties": {
"additional_backgrounds_alignment": {
"type": "array",
"items": {
"type": "string",
"enum": [
"bottom",
"center",
"left",
"right",
"top",
"center bottom",
"center center",
"center top",
"left bottom",
"left center",
"left top",
"right bottom",
"right center",
"right top"
]
},
"maxItems": 15,
"optional": true
},
"additional_backgrounds_tiling": {
"type": "array",
"items": {
"type": "string",
"enum": ["no-repeat", "repeat", "repeat-x", "repeat-y"]
},
"maxItems": 15,
"optional": true
},
"color_scheme": {
"description": "If set, overrides the general theme (context menus, toolbars, content area).",
"optional": true,
"type": "string",
"enum": ["light", "dark", "auto"]
},
"content_color_scheme": {
"description": "If set, overrides the color scheme for the content area.",
"optional": true,
"type": "string",
"enum": ["light", "dark", "auto"]
}
},
"additionalProperties": {
"type": "string"
}
}
},
"additionalProperties": {
"$ref": "UnrecognizedProperty"
}
},
{
"id": "ThemeManifest",
"type": "object",
"description": "Contents of manifest.json for a static theme",
"$import": "manifest.ManifestBase",
"properties": {
"theme": {
"$ref": "ThemeType"
},
"dark_theme": {
"$ref": "ThemeType",
"optional": true,
"description": "Fallback properties for the dark system theme."
},
"default_locale": {
"type": "string",
"optional": true
},
"theme_experiment": {
"$ref": "ThemeExperiment",
"optional": true,
"description": "CSS file with additional styles."
},
"icons": {
"type": "object",
"optional": true,
"patternProperties": {
"^[1-9]\\d*$": {
"type": "string"
}
},
"description": "Icons shown in the Add-ons Manager."
}
}
},
{
"$extend": "WebExtensionManifest",
"properties": {
"theme_experiment": {
"$ref": "ThemeExperiment",
"optional": true,
"description": "A theme experiment allows modifying the user interface of Thunderbird beyond what is currently possible using the built-in color, image and property keys of :ref:`theme.ThemeType`. These experiments are a precursor to proposing new theme features for inclusion in Thunderbird. Experimentation is done by mapping internal CSS color, image and property variables to new theme keys and using them in :ref:`theme.ThemeType` and by loading additional style sheets to add new CSS variables, extending the theme-able areas of Thunderbird. Can be used in static and dynamic themes."
}
}
}
]
},
{
"namespace": "theme",
"description": "The theme API allows for customization of Thunderbird's visual elements.",
"types": [
{
"id": "ThemeUpdateInfo",
"type": "object",
"description": "Info provided in the onUpdated listener.",
"properties": {
"theme": {
"$ref": "ThemeType",
"description": "The new theme after update"
},
"windowId": {
"type": "integer",
"description": "The id of the window the theme has been applied to",
"optional": true
}
}
}
],
"events": [
{
"name": "onUpdated",
"type": "function",
"description": "Fired when a new theme has been applied",
"parameters": [
{
"$ref": "ThemeUpdateInfo",
"name": "updateInfo",
"description": "Details of the theme update"
}
]
}
],
"functions": [
{
"name": "getCurrent",
"type": "function",
"async": "callback",
"description": "Returns the current theme for the specified window or the last focused window.",
"parameters": [
{
"type": "integer",
"name": "windowId",
"optional": true,
"description": "The window for which we want the theme."
},
{
"type": "function",
"name": "callback",
"optional": true,
"parameters": [
{
"$ref": "ThemeType"
}
]
}
]
},
{
"name": "update",
"type": "function",
"async": true,
"description": "Make complete updates to the theme. Resolves when the update has completed.",
"permissions": ["theme"],
"parameters": [
{
"type": "integer",
"name": "windowId",
"optional": true,
"description": "The id of the window to update. No id updates all windows."
},
{
"name": "details",
"$ref": "manifest.ThemeType",
"description": "The properties of the theme to update."
}
]
},
{
"name": "reset",
"type": "function",
"async": true,
"description": "Removes the updates made to the theme.",
"permissions": ["theme"],
"parameters": [
{
"type": "integer",
"name": "windowId",
"optional": true,
"description": "The id of the window to reset. No id resets all windows."
}
]
}
]
}
]