mirror of
https://github.com/shaka-project/shaka-player.git
synced 2026-06-16 16:16:40 +03:00
Joey Parrish
f39bade337
This is different from the giant play/pause button that sits over the video container. Change-Id: I4629b3a64a5208f23c65b383f4fb992e6ddfd334
119 lines
3.1 KiB
JavaScript
119 lines
3.1 KiB
JavaScript
/**
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* @license
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* Copyright 2016 Google Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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goog.provide('shaka.ui.PlayPauseButton');
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goog.require('shaka.ui.Element');
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goog.require('shaka.ui.Enums');
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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.util.Dom');
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/**
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* @extends {shaka.ui.Element}
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* @final
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* @export
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*/
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shaka.ui.PlayPauseButton = class extends shaka.ui.Element {
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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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/** @private {!HTMLElement} */
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this.button_ = shaka.util.Dom.createHTMLElement('button');
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this.button_.classList.add('shaka-play-pause-button');
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this.button_.classList.add('material-icons');
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this.parent.appendChild(this.button_);
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this.updateIcon_();
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this.updateAriaLabel_();
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const LOCALE_UPDATED = shaka.ui.Localization.LOCALE_UPDATED;
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this.eventManager.listen(this.localization, LOCALE_UPDATED, () => {
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this.updateAriaLabel_();
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});
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const LOCALE_CHANGED = shaka.ui.Localization.LOCALE_CHANGED;
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this.eventManager.listen(this.localization, LOCALE_CHANGED, () => {
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this.updateAriaLabel_();
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});
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this.eventManager.listen(this.video, 'play', () => {
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this.updateAriaLabel_();
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this.updateIcon_();
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});
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this.eventManager.listen(this.video, 'pause', () => {
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this.updateAriaLabel_();
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this.updateIcon_();
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});
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this.eventManager.listen(this.button_, 'click', () => {
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if (this.isPaused_()) {
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this.video.play();
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} else {
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this.video.pause();
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}
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});
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}
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/**
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* @return {boolean}
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* @private
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*/
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isPaused_() {
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// The video element is in a paused state while seeking, but we don't count
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// that.
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return this.video.paused && !this.controls.isSeeking();
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}
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/** @private */
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updateAriaLabel_() {
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const LocIds = shaka.ui.Locales.Ids;
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const label = this.isPaused_() ? LocIds.PLAY : LocIds.PAUSE;
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this.button_.setAttribute(shaka.ui.Constants.ARIA_LABEL,
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this.localization.resolve(label));
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}
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/** @private */
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updateIcon_() {
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const Icons = shaka.ui.Enums.MaterialDesignIcons;
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this.button_.textContent = this.isPaused_() ? Icons.PLAY : Icons.PAUSE;
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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.PlayPauseButton.Factory = class {
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/** @override */
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create(rootElement, controls) {
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return new shaka.ui.PlayPauseButton(rootElement, controls);
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}
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};
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shaka.ui.Controls.registerElement(
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'play_pause', new shaka.ui.PlayPauseButton.Factory());
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