491f0cd08a
* Copyright headers 1 * Licence headers 2 * Copyright Headers 3 * Copyright Headers 4 * Copyright Headers 5 * Copyright Headers 6 * Copyright headers 7 * Add copyright headers for html and config file * Replace license files and update package.json * Update with CLA * lint
49 lines
1.6 KiB
TypeScript
49 lines
1.6 KiB
TypeScript
/*
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Copyright 2024 New Vector Ltd.
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Copyright 2021 The Matrix.org Foundation C.I.C.
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SPDX-License-Identifier: AGPL-3.0-only OR GPL-3.0-only
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Please see LICENSE files in the repository root for full details.
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*/
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import { Playback, PlaybackState } from "./Playback";
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import { ManagedPlayback } from "./ManagedPlayback";
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import { DEFAULT_WAVEFORM } from "./consts";
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/**
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* Handles management of playback instances to ensure certain functionality, like
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* one playback operating at any one time.
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*/
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export class PlaybackManager {
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private static internalInstance: PlaybackManager;
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private instances: ManagedPlayback[] = [];
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public static get instance(): PlaybackManager {
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if (!PlaybackManager.internalInstance) {
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PlaybackManager.internalInstance = new PlaybackManager();
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}
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return PlaybackManager.internalInstance;
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}
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/**
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* Pauses all other playback instances. If no playback is provided, all playing
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* instances are paused.
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* @param playback Optional. The playback to leave untouched.
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*/
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public pauseAllExcept(playback?: Playback): void {
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this.instances
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.filter((p) => p !== playback && p.currentState === PlaybackState.Playing)
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.forEach((p) => p.pause());
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}
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public destroyPlaybackInstance(playback: ManagedPlayback): void {
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this.instances = this.instances.filter((p) => p !== playback);
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}
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public createPlaybackInstance(buf: ArrayBuffer, waveform = DEFAULT_WAVEFORM): Playback {
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const instance = new ManagedPlayback(this, buf, waveform);
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this.instances.push(instance);
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return instance;
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}
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}
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