openvidu/openvidu-browser/src/OpenViduInternal/Events/EventMap/StreamManagerEventMap.ts

91 lines
3.9 KiB
TypeScript

/*
* (C) Copyright 2017-2022 OpenVidu (https://openvidu.io)
*
* 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 { EventMap } from './EventMap';
import { PublisherSpeakingEvent } from '../PublisherSpeakingEvent';
import { StreamManagerEvent } from '../StreamManagerEvent';
import { StreamPropertyChangedEvent } from '../StreamPropertyChangedEvent';
import { VideoElementEvent } from '../VideoElementEvent';
/**
* Events dispatched by {@link StreamManager} object. Manage event listeners with
* {@link StreamManager.on}, {@link StreamManager.once} and {@link StreamManager.off} methods.
*
* Example:
*
* ```javascript
* streamManager.on('videoElementCreated', (event) => {
* console.log('New video element created:', event.element);
* }
*
* streamManager.off('videoElementCreated');
* ```
*/
export interface StreamManagerEventMap extends EventMap {
/**
* Event dispatched when a new HTML video element has been inserted into DOM by OpenVidu Browser library. See
* [Manage video players](/en/stable/cheatsheet/manage-videos) section.
*/
videoElementCreated: VideoElementEvent;
/**
* Event dispatched when an HTML video element has been removed from DOM by OpenVidu Browser library. See
* [Manage video players](/en/stable/cheatsheet/manage-videos) section.
*/
videoElementDestroyed: VideoElementEvent;
/**
* Event dispatched when the media stream starts playing (one of its videos has media and has begun to play).
* This event will be dispatched when these 3 conditions are met:
* 1. The StreamManager has no video associated in the DOM.
* 2. It is associated to one video.
* 3. That video starts playing. Internally the expected Web API event is [HTMLMediaElement.canplay](https://developer.mozilla.org/en-US/docs/Web/API/HTMLMediaElement/canplay_event).
*/
streamPlaying: StreamManagerEvent;
/**
* Event dispatched when the volume of the media stream's audio track changes. Only applies if {@link Stream.hasAudio} is `true`.
* The frequency this event is fired with is defined by property `interval` of
* {@link OpenViduAdvancedConfiguration.publisherSpeakingEventsOptions} (default 100ms)
*/
streamAudioVolumeChange: StreamManagerEvent;
/**
* Event dispatched when a Stream undergoes any change in any of its mutable properties
* (see {@link StreamPropertyChangedEvent.changedProperty}).
*/
streamPropertyChanged: StreamPropertyChangedEvent;
/**
* Event dispatched when the user owning the stream has started speaking.
*
* Extra information:
* - This event will only be triggered for **streams that have audio tracks** ({@link Stream.hasAudio} must be true).
* - Further configuration can be applied on how the event is dispatched by setting property `publisherSpeakingEventsOptions` in the call of {@link OpenVidu.setAdvancedConfiguration}.
*/
publisherStartSpeaking: PublisherSpeakingEvent;
/**
* Event dispatched when the user owning the stream has stopped speaking.
*
* Extra information:
* - This event will only be triggered for **streams that have audio tracks** ({@link Stream.hasAudio} must be true).
* - Further configuration can be applied on how the event is dispatched by setting property `publisherSpeakingEventsOptions` in the call of {@link OpenVidu.setAdvancedConfiguration}.
*/
publisherStopSpeaking: PublisherSpeakingEvent;
}