/*! @license
* Shaka Player
* Copyright 2016 Google LLC
* SPDX-License-Identifier: Apache-2.0
*/
/**
* @externs
* @suppress {duplicate} To prevent compiler errors with the namespace
* being declared both here and by goog.provide in the library.
*/
/** @namespace */
var shaka = {};
/** @namespace */
shaka.extern = {};
/**
* @typedef {{
* base: string,
* buffered: string,
* played: string,
* adBreaks: string
* }}
*
* @property {string} base
* The CSS background color applied to the base of the seek bar, on top of
* which the buffer level and playback position are shown.
* @property {string} buffered
* The CSS background color applied to the portion of the seek bar showing
* what has been buffered ahead of the playback position.
* @property {string} played
* The CSS background color applied to the portion of the seek bar showing
* what has been played already.
* @property {string} adBreaks
* The CSS background color applied to the portion of the seek bar showing
* when the ad breaks are scheduled to occur on the timeline.
* @exportDoc
*/
shaka.extern.UISeekBarColors;
/**
* @typedef {{
* base: string,
* level: string
* }}
*
* @property {string} base
* The CSS background color applied to the base of the volume bar, on top of
* which the volume level is shown.
* @property {string} level
* The CSS background color applied to the portion of the volume bar showing
* the volume level.
* @exportDoc
*/
shaka.extern.UIVolumeBarColors;
/**
* @description
* The UI's configuration options.
*
* @typedef {{
* controlPanelElements: !Array.<string>,
* overflowMenuButtons: !Array.<string>,
* contextMenuElements: !Array.<string>,
* statisticsList: !Array.<string>,
* adStatisticsList: !Array.<string>,
* playbackRates: !Array.<number>,
* fastForwardRates: !Array.<number>,
* rewindRates: !Array.<number>,
* addSeekBar: boolean,
* addBigPlayButton: boolean,
* customContextMenu: boolean,
* castReceiverAppId: string,
* castAndroidReceiverCompatible: boolean,
* clearBufferOnQualityChange: boolean,
* showUnbufferedStart: boolean,
* seekBarColors: shaka.extern.UISeekBarColors,
* volumeBarColors: shaka.extern.UIVolumeBarColors,
* trackLabelFormat: shaka.ui.Overlay.TrackLabelFormat,
* textTrackLabelFormat: shaka.ui.Overlay.TrackLabelFormat,
* fadeDelay: number,
* doubleClickForFullscreen: boolean,
* singleClickForPlayAndPause: boolean,
* enableKeyboardPlaybackControls: boolean,
* enableFullscreenOnRotation: boolean,
* forceLandscapeOnFullscreen: boolean,
* enableTooltips: boolean,
* keyboardSeekDistance: number,
* keyboardLargeSeekDistance: number,
* fullScreenElement: HTMLElement,
* preferDocumentPictureInPicture: boolean,
* showAudioChannelCountVariants: boolean,
* seekOnTaps: boolean,
* tapSeekDistance: number,
* refreshTickInSeconds: number,
* displayInVrMode: boolean,
* defaultVrProjectionMode: string
* }}
*
* @property {!Array.<string>} controlPanelElements
* The ordered list of control panel elements of the UI.
* @property {!Array.<string>} overflowMenuButtons
* The ordered list of the overflow menu buttons.
* @property {!Array.<string>} contextMenuElements
* The ordered list of buttons in the context menu.
* @property {!Array.<string>} statisticsList
* The ordered list of statistics present in the statistics container.
* @property {!Array.<string>} adStatisticsList
* The ordered list of ad statistics present in the ad statistics container.
* @property {!Array.<number>} playbackRates
* The ordered list of rates for playback selection.
* @property {!Array.<number>} fastForwardRates
* The ordered list of rates for fast forward selection.
* @property {!Array.<number>} rewindRates
* The ordered list of rates for rewind selection.
* @property {boolean} addSeekBar
* Whether or not a seek bar should be part of the UI.
* @property {boolean} addBigPlayButton
* Whether or not a big play button in the center of the video
* should be part of the UI.
* @property {boolean} customContextMenu
* Whether or not a custom context menu replaces the default.
* @property {string} castReceiverAppId
* Receiver app id to use for the Chromecast support.
* @property {boolean} castAndroidReceiverCompatible
* Indicates if the app is compatible with an Android Cast Receiver.
* @property {boolean} clearBufferOnQualityChange
* Only applicable if the resolution selection is part of the UI.
* Whether buffer should be cleared when changing resolution
* via UI. Clearing buffer would result in immidiate change of quality,
* but playback may flicker/stall for a sec as the content in new
* resolution is being buffered. Not clearing the buffer will mean
* we play the content in the previously selected resolution that we
* already have buffered before switching to the new resolution.
* @property {boolean} showUnbufferedStart
* If true, color any unbuffered region at the start of the seek bar as
* unbuffered (using the "base" color). If false, color any unbuffered region
* at the start of the seek bar as played (using the "played" color).
* <br>
* A value of false matches the default behavior of Chrome's native controls
* and Shaka Player v3.0+.
* <br>
* A value of true matches the default behavior of Shaka Player v2.5.
* <br>
* Defaults to false.
* @property {shaka.extern.UISeekBarColors} seekBarColors
* The CSS colors applied to the seek bar. This allows you to override the
* colors used in the linear gradient constructed in JavaScript, since you
* cannot easily do this in pure CSS.
* @property {shaka.extern.UIVolumeBarColors} volumeBarColors
* The CSS colors applied to the volume bar. This allows you to override the
* colors used in the linear gradient constructed in JavaScript, since you
* cannot do this in pure CSS.
* @property {shaka.ui.Overlay.TrackLabelFormat} trackLabelFormat
* An enum that determines what is shown in the labels for audio variant
* selection.
* LANGUAGE means that only the language of the item is shown.
* ROLE means that only the role of the item is shown.
* LANGUAGE_ROLE means both language and role are shown, or just language if
* there is no role.
* LABEL means the non-standard DASH "label" attribute or the standard DASH
* "Label" element or the HLS "NAME" attribute are shown.
* Defaults to LANGUAGE.
* @property {shaka.ui.Overlay.TrackLabelFormat} textTrackLabelFormat
* An enum that determines what is shown in the labels for text track
* selection.
* LANGUAGE means that only the language of the item is shown.
* ROLE means that only the role of the item is shown.
* LANGUAGE_ROLE means both language and role are shown, or just language if
* there is no role.
* LABEL means the non-standard DASH "label" attribute or the standard DASH
* "Label" element or the HLS "NAME" attribute are shown.
* Defaults to LANGUAGE.
* @property {number} fadeDelay
* The delay (in seconds) before fading out the controls once the user stops
* interacting with them. We recommend setting this to 3 on your cast
* receiver UI.
* Defaults to 0.
* @property {boolean} doubleClickForFullscreen
* Whether or not double-clicking on the UI should cause it to enter
* fullscreen.
* Defaults to true.
* @property {boolean} singleClickForPlayAndPause
* Whether or not clicking on the video should cause it to play or pause.
* It does not work in VR mode.
* Defaults to true.
* @property {boolean} enableKeyboardPlaybackControls
* Whether or not playback controls via keyboard is enabled, such as seek
* forward, seek backward, jump to the beginning/end of the video.
* Defaults to true.
* @property {boolean} enableFullscreenOnRotation
* Whether or not to enter/exit fullscreen mode when the screen is rotated.
* Defaults to true.
* @property {boolean} forceLandscapeOnFullscreen
* Whether or not the device should rotate to landscape mode when the video
* enters fullscreen. Note that this behavior is based on an experimental
* browser API, and may not work on all platforms.
* Defaults to true.
* @property {boolean} enableTooltips
* Whether or not buttons in the control panel display tooltips that contain
* information about their function.
* Defaults to false.
* @property {number} keyboardSeekDistance
* The time interval, in seconds, to seek when the user presses the left or
* right keyboard keys when the video is selected. If less than or equal to 0,
* no seeking will occur.
* Defaults to 5 seconds.
* @property {number} keyboardLargeSeekDistance
* The time interval, in seconds, to seek when the user presses the page up or
* page down keyboard keys when the video is selected. If less than or equal
* to 0, no seeking will occur.
* Defaults to 60 seconds.
* @property {HTMLElement} fullScreenElement
* DOM element on which fullscreen will be done.
* Defaults to Shaka Player Container.
* @property {boolean} preferDocumentPictureInPicture
* Indicates whether the Document Picture in Picture API is preferred or the
* Video Element Picture in Picture API is preferred.
* Changing this property in mid-playback may produce undesired behavior if
* you are already in PiP.
* Defaults to true.
* @property {boolean} showAudioChannelCountVariants
* Indicates whether the combination of language and channel count should be
* displayed or if, on the contrary, only the language should be displayed
* regardless of the channel count.
* Defaults to true.
* @property {boolean} seekOnTaps
* Indicates whether or not a fast-forward and rewind tap button that seeks
* video some seconds.
* Defaults to true.
* @property {number} tapSeekDistance
* The time interval, in seconds, to seek when the user presses the left or
* right part of the video. If less than or equal to 0,
* no seeking will occur.
* Defaults to 10 seconds.
* @property {number} refreshTickInSeconds
* The time interval, in seconds, to update the seek bar.
* Defaults to 0.125 seconds.
* @property {boolean} displayInVrMode
* If true, the content will be treated as VR.
* If false, it will only be treated as VR if we automatically detect it as
* such. (See the Enabling VR section in docs/tutorials/ui.md)
* Defaults to false.
* @property {string} defaultVrProjectionMode
* Indicate the default VR projection mode.
* Possible values: <code>'equirectangular'</code> or <code>'cubemap'</code>.
* Defaults to <code>'equirectangular'</code>.
* @exportDoc
*/
shaka.extern.UIConfiguration;
/**
* Interface for UI elements. UI elements should inherit from the concrete base
* class shaka.ui.Element. The members defined in this extern's constructor are
* all available from the base class, and are defined here to keep the compiler
* from renaming them.
*
* @extends {shaka.util.IReleasable}
* @interface
* @exportDoc
*/
shaka.extern.IUIElement = class {
/**
* @param {!HTMLElement} parent
* @param {!shaka.ui.Controls} controls
*/
constructor(parent, controls) {
/**
* @protected {HTMLElement}
* @exportDoc
*/
this.parent;
/**
* @protected {shaka.ui.Controls}
* @exportDoc
*/
this.controls;
/**
* @protected {shaka.util.EventManager}
* @exportDoc
*/
this.eventManager;
/**
* @protected {shaka.ui.Localization}
* @exportDoc
*/
this.localization;
/**
* @protected {shaka.Player}
* @exportDoc
*/
this.player;
/**
* @protected {HTMLMediaElement}
* @exportDoc
*/
this.video;
/**
* @protected {shaka.extern.IAdManager}
* @exportDoc
*/
this.adManager;
/**
* @protected {shaka.extern.IAd}
* @exportDoc
*/
this.ad;
}
/**
* @override
*/
release() {}
};
/**
* A factory for creating a UI element.
*
* @interface
* @exportDoc
*/
shaka.extern.IUIElement.Factory = class {
/**
* @param {!HTMLElement} rootElement
* @param {!shaka.ui.Controls} controls
* @return {!shaka.extern.IUIElement}
*/
create(rootElement, controls) {}
};
/**
* Interface for UI range elements. UI range elements should inherit from the
* concrete base class shaka.ui.RangeElement. The members defined in this
* extern's constructor are all available from the base class, and are defined
* here to keep the compiler from renaming them.
*
* @extends {shaka.extern.IUIElement}
* @interface
* @exportDoc
*/
shaka.extern.IUIRangeElement = class {
/**
* @param {!HTMLElement} parent
* @param {!shaka.ui.Controls} controls
* @param {!Array.<string>} containerClassNames
* @param {!Array.<string>} barClassNames
*/
constructor(parent, controls, containerClassNames, barClassNames) {
/**
* @protected {!HTMLElement}
* @exportDoc
*/
this.container;
/**
* @protected {!HTMLInputElement}
* @exportDoc
*/
this.bar;
}
/**
* @param {number} min
* @param {number} max
*/
setRange(min, max) {}
/**
* Called when user interaction begins.
* To be overridden by subclasses.
*/
onChangeStart() {}
/**
* Called when a new value is set by user interaction.
* To be overridden by subclasses.
*/
onChange() {}
/**
* Called when user interaction ends.
* To be overridden by subclasses.
*/
onChangeEnd() {}
/** @return {number} */
getValue() {}
/** @param {number} value */
setValue(value) {}
/** @param {number} value */
changeTo(value) {}
};
/**
* Interface for UI settings menus. UI settings menus should inherit from the
* concrete base class shaka.ui.SettingsMenu. The members defined in this
* extern's constructor are all available from the base class, and are defined
* here to keep the compiler from renaming them.
*
* @extends {shaka.extern.IUIElement}
* @interface
* @exportDoc
*/
shaka.extern.IUISettingsMenu = class {
/**
* @param {!HTMLElement} parent
* @param {!shaka.ui.Controls} controls
* @param {string} iconText
*/
constructor(parent, controls, iconText) {
/**
* @protected {!HTMLButtonElement}
* @exportDoc
*/
this.button;
/**
* @protected {!HTMLElement}
* @exportDoc
*/
this.icon;
/**
* @protected {!HTMLElement}
* @exportDoc
*/
this.nameSpan;
/**
* @protected {!HTMLElement}
* @exportDoc
*/
this.currentSelection;
/**
* @protected {!HTMLElement}
* @exportDoc
*/
this.menu;
/**
* @protected {!HTMLButtonElement}
* @exportDoc
*/
this.backButton;
/**
* @protected {!HTMLElement}
* @exportDoc
*/
this.backSpan;
}
};
/**
* Interface for SeekBars. SeekBars should inherit from the concrete base
* class shaka.ui.Element. If you do not need to totaly rebuild the
* SeekBar, you should consider using shaka.ui.RangeElement or
* shaka.ui.SeekBar as your base class.
*
* @extends {shaka.extern.IUIRangeElement}
* @interface
* @exportDoc
*/
shaka.extern.IUISeekBar = class {
/** @return {number} */
getValue() {}
/** @param {number} value */
setValue(value) {}
/**
* Called by Controls on a timer to update the state of the seek bar.
* Also called internally when the user interacts with the input element.
*/
update() {}
/** @return {boolean} */
isShowing() {}
};
/**
* A factory for creating a SeekBar element.
*
* @interface
* @exportDoc
*/
shaka.extern.IUISeekBar.Factory = class {
/**
* @param {!HTMLElement} rootElement
* @param {!shaka.ui.Controls} controls
* @return {!shaka.extern.IUISeekBar}
*/
create(rootElement, controls) {}
};
/**
* @interface
* @exportDoc
*/
shaka.extern.IUIPlayButton = class {
/**
* @param {!HTMLElement} parent
* @param {!shaka.ui.Controls} controls
*/
constructor(parent, controls) {
/**
* @protected {!HTMLButtonElement}
* @exportDoc
*/
this.button;
}
/** @return {boolean} */
isPaused() {}
/** @return {boolean} */
isEnded() {}
};