mirror of
https://github.com/shaka-project/shaka-player.git
synced 2026-06-16 16:16:40 +03:00
Joey Parrish
f539147d48
This fixes all the license headers in the main library, which corrects the appearance of the main license in the compiled output. It seems that the `!` in the header forces the compiler to keep it in the output. I believe older compiler releases did this purely based on `@license`. Issue #2638 Change-Id: I7f0e918caad10c9af689c9d07672b7fe9be7b2f3
134 lines
3.3 KiB
JavaScript
134 lines
3.3 KiB
JavaScript
/*! @license
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* Shaka Player
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* Copyright 2016 Google LLC
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* SPDX-License-Identifier: Apache-2.0
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*/
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goog.provide('shaka.ui.VolumeBar');
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goog.require('goog.asserts');
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goog.require('shaka.ui.Constants');
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goog.require('shaka.ui.Locales');
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goog.require('shaka.ui.Localization');
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goog.require('shaka.ui.RangeElement');
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/**
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* @extends {shaka.ui.RangeElement}
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* @final
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* @export
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*/
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shaka.ui.VolumeBar = class extends shaka.ui.RangeElement {
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/**
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* @param {!HTMLElement} parent
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* @param {!shaka.ui.Controls} controls
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*/
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constructor(parent, controls) {
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super(parent, controls,
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['shaka-volume-bar-container'], ['shaka-volume-bar']);
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/** @private {!shaka.extern.UIConfiguration} */
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this.config_ = this.controls.getConfig();
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this.eventManager.listen(this.video,
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'volumechange',
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() => this.onPresentationVolumeChange_());
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this.eventManager.listen(this.adManager,
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shaka.ads.AdManager.AD_VOLUME_CHANGED,
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() => this.onAdVolumeChange_());
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this.eventManager.listen(this.adManager,
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shaka.ads.AdManager.AD_MUTED,
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() => this.onAdVolumeChange_());
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this.eventManager.listen(this.adManager,
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shaka.ads.AdManager.AD_STOPPED,
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() => this.onPresentationVolumeChange_());
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this.eventManager.listen(this.localization,
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shaka.ui.Localization.LOCALE_UPDATED,
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() => this.updateAriaLabel_());
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this.eventManager.listen(this.localization,
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shaka.ui.Localization.LOCALE_CHANGED,
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() => this.updateAriaLabel_());
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// Initialize volume display and label.
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this.onPresentationVolumeChange_();
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this.updateAriaLabel_();
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}
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/**
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* Update the video element's state to match the input element's state.
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* Called by the base class when the input element changes.
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*
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* @override
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*/
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onChange() {
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if (this.ad) {
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this.ad.setVolume(this.getValue());
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} else {
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this.video.volume = this.getValue();
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if (this.video.volume == 0) {
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this.video.muted = true;
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} else {
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this.video.muted = false;
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}
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}
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}
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/** @private */
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onPresentationVolumeChange_() {
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if (this.video.muted) {
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this.setValue(0);
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} else {
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this.setValue(this.video.volume);
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}
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this.updateColors_();
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}
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/** @private */
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onAdVolumeChange_() {
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goog.asserts.assert(this.ad != null,
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'This.ad should exist at this point!');
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const volume = this.ad.getVolume();
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this.setValue(volume);
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this.updateColors_();
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}
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/** @private */
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updateColors_() {
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const colors = this.config_.volumeBarColors;
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const gradient = ['to right'];
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gradient.push(colors.level + (this.getValue() * 100) + '%');
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gradient.push(colors.base + (this.getValue() * 100) + '%');
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gradient.push(colors.base + '100%');
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this.container.style.background =
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'linear-gradient(' + gradient.join(',') + ')';
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}
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/** @private */
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updateAriaLabel_() {
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this.bar.setAttribute(shaka.ui.Constants.ARIA_LABEL,
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this.localization.resolve(shaka.ui.Locales.Ids.VOLUME));
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}
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};
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/**
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* @implements {shaka.extern.IUIElement.Factory}
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* @final
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*/
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shaka.ui.VolumeBar.Factory = class {
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/** @override */
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create(rootElement, controls) {
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return new shaka.ui.VolumeBar(rootElement, controls);
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}
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};
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shaka.ui.Controls.registerElement('volume', new shaka.ui.VolumeBar.Factory());
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