730af94014
Fixes https://github.com/vector-im/element-web/issues/18804 Fixes https://github.com/vector-im/element-web/issues/18715 Fixes https://github.com/vector-im/element-web/issues/18714 Fixes https://github.com/vector-im/element-web/issues/17961
56 lines
1.9 KiB
TypeScript
56 lines
1.9 KiB
TypeScript
/*
|
|
Copyright 2021 The Matrix.org Foundation C.I.C.
|
|
|
|
Licensed under the Apache License, Version 2.0 (the "License");
|
|
you may not use this file except in compliance with the License.
|
|
You may obtain a copy of the License at
|
|
|
|
http://www.apache.org/licenses/LICENSE-2.0
|
|
|
|
Unless required by applicable law or agreed to in writing, software
|
|
distributed under the License is distributed on an "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
See the License for the specific language governing permissions and
|
|
limitations under the License.
|
|
*/
|
|
|
|
import { DEFAULT_WAVEFORM, Playback, PlaybackState } from "./Playback";
|
|
import { ManagedPlayback } from "./ManagedPlayback";
|
|
|
|
/**
|
|
* Handles management of playback instances to ensure certain functionality, like
|
|
* one playback operating at any one time.
|
|
*/
|
|
export class PlaybackManager {
|
|
private static internalInstance: PlaybackManager;
|
|
|
|
private instances: ManagedPlayback[] = [];
|
|
|
|
public static get instance(): PlaybackManager {
|
|
if (!PlaybackManager.internalInstance) {
|
|
PlaybackManager.internalInstance = new PlaybackManager();
|
|
}
|
|
return PlaybackManager.internalInstance;
|
|
}
|
|
|
|
/**
|
|
* Pauses all other playback instances. If no playback is provided, all playing
|
|
* instances are paused.
|
|
* @param playback Optional. The playback to leave untouched.
|
|
*/
|
|
public pauseAllExcept(playback?: Playback) {
|
|
this.instances
|
|
.filter(p => p !== playback && p.currentState === PlaybackState.Playing)
|
|
.forEach(p => p.pause());
|
|
}
|
|
|
|
public destroyPlaybackInstance(playback: ManagedPlayback) {
|
|
this.instances = this.instances.filter(p => p !== playback);
|
|
}
|
|
|
|
public createPlaybackInstance(buf: ArrayBuffer, waveform = DEFAULT_WAVEFORM): Playback {
|
|
const instance = new ManagedPlayback(this, buf, waveform);
|
|
this.instances.push(instance);
|
|
return instance;
|
|
}
|
|
}
|