112 lines
2.8 KiB
JavaScript
112 lines
2.8 KiB
JavaScript
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import React, { Component } from 'react';
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/**
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* The React {@link Component} which is similar to Web's
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* {@code HTMLAudioElement}.
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*/
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export default class AbstractAudio extends Component {
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/**
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* The (reference to the) {@link ReactElement} which actually implements
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* this {@code AbstractAudio}.
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*/
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_ref: ?Object
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/**
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* {@code AbstractAudio} component's property types.
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*
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* @static
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*/
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static propTypes = {
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/**
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* The URL of a media resource to use in the element.
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*
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* @type {string}
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*/
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src: React.PropTypes.string,
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stream: React.PropTypes.object
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};
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/**
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* Initializes a new {@code AbstractAudio} instance.
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*
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* @param {Object} props - The read-only properties with which the new
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* instance is to be initialized.
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*/
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constructor(props) {
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super(props);
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// Bind event handlers so they are only bound once for every instance.
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this._setRef = this._setRef.bind(this);
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}
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/**
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* Attempts to pause the playback of the media.
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*
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* @public
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* @returns {void}
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*/
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pause() {
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this._ref && typeof this._ref.pause === 'function' && this._ref.pause();
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}
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/**
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* Attempts to being the playback of the media.
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*
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* @public
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* @returns {void}
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*/
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play() {
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this._ref && typeof this._ref.play === 'function' && this._ref.play();
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}
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/**
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* Renders this {@code AbstractAudio} as a React {@link Component} of a
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* specific type.
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*
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* @param {string|ReactClass} type - The type of the React {@code Component}
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* which is to be rendered.
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* @param {Object|undefined} props - The read-only React {@code Component}
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* properties, if any, to render. If {@code undefined}, the props of this
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* instance will be rendered.
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* @protected
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* @returns {ReactElement}
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*/
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_render(type, props) {
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const {
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children,
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/* eslint-disable no-unused-vars */
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// The following properties are consumed by React itself so they are
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// to not be propagated.
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ref,
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/* eslint-enable no-unused-vars */
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...filteredProps
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} = props || this.props;
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return (
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React.createElement(
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type,
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{
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...filteredProps,
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ref: this._setRef
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},
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children));
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}
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/**
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* Set the (reference to the) {@link ReactElement} which actually implements
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* this {@code AbstractAudio}.
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*
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* @param {Object} ref - The (reference to the) {@code ReactElement} which
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* actually implements this {@code AbstractAudio}.
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* @private
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* @returns {void}
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*/
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_setRef(ref) {
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this._ref = ref;
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}
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}
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