100 lines
2.3 KiB
JavaScript
100 lines
2.3 KiB
JavaScript
/* @flow */
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import Sound from 'react-native-sound';
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import logger from '../../logger';
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import AbstractAudio from '../AbstractAudio';
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/**
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* The React Native/mobile {@link Component} which is similar to Web's
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* {@code HTMLAudioElement} and wraps around react-native-webrtc's
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* {@link RTCView}.
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*/
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export default class Audio extends AbstractAudio {
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/**
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* Reference to 'react-native-sound} {@link Sound} instance.
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*/
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_sound: ?Sound;
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/**
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* A callback passed to the 'react-native-sound''s {@link Sound} instance,
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* called when loading sound is finished.
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*
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* @param {Object} error - The error object passed by
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* the 'react-native-sound' library.
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* @returns {void}
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* @private
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*/
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_soundLoadedCallback(error) {
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if (error) {
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logger.error('Failed to load sound', error);
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} else {
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this.setAudioElementImpl(this._sound);
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}
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}
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/**
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* Will load the sound, after the component did mount.
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*
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* @returns {void}
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*/
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componentDidMount() {
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this._sound
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= this.props.src
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? new Sound(
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this.props.src, null,
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this._soundLoadedCallback.bind(this))
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: null;
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}
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/**
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* Will dispose sound resources (if any) when component is about to unmount.
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*
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* @returns {void}
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*/
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componentWillUnmount() {
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if (this._sound) {
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this._sound.release();
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this._sound = null;
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this.setAudioElementImpl(null);
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}
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}
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/**
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* Attempts to begin the playback of the media.
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*
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* @inheritdoc
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* @override
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*/
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play() {
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if (this._sound) {
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this._sound.setNumberOfLoops(this.props.loop ? -1 : 0);
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super.play();
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}
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}
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/**
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* Implements React's {@link Component#render()}.
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*
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* @inheritdoc
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* @returns {null}
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*/
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render() {
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// TODO react-native-webrtc's RTCView doesn't do anything with the audio
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// MediaStream specified to it so it's easier at the time of this
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// writing to not render anything.
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return null;
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}
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/**
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* Stops the sound if it's currently playing.
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*
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* @returns {void}
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*/
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stop() {
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if (this._sound) {
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this._sound.stop();
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}
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}
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}
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