Files
advanced-camera-card/src/components-lib/media-player/video.ts
T

115 lines
3.2 KiB
TypeScript

import { LitElement } from 'lit';
import { FullscreenElement, MediaPlayerController, PIPElement } from '../../types';
import { hideMediaControlsTemporarily, setControlsOnVideo } from '../../utils/controls';
import { screenshotVideo } from '../../utils/screenshot';
export class VideoMediaPlayerController implements MediaPlayerController {
private _host: LitElement;
private _getVideoCallback: () => HTMLVideoElement | null;
private _getControlsDefaultCallback: (() => boolean) | null;
constructor(
host: LitElement,
getVideoCallback: () => HTMLVideoElement | null,
getControlsDefaultCallback?: () => boolean,
) {
this._host = host;
this._getVideoCallback = getVideoCallback;
this._getControlsDefaultCallback = getControlsDefaultCallback ?? null;
}
public async play(): Promise<void> {
await this._host.updateComplete;
const video = this._getVideoCallback();
if (!video?.play) {
return;
}
// If the play call fails, and the media is not already muted, mute it first
// and then try again. This works around some browsers that prevent
// auto-play unless the video is muted.
try {
await video.play();
} catch (err: unknown) {
if ((err as Error).name === 'NotAllowedError' && !this.isMuted()) {
await this.mute();
try {
await video.play();
// eslint-disable-next-line @typescript-eslint/no-unused-vars
} catch (e) {
// Pass.
}
}
}
}
public async pause(): Promise<void> {
await this._host.updateComplete;
this._getVideoCallback()?.pause();
}
public async mute(): Promise<void> {
await this._host.updateComplete;
// The muted property is only for the initial muted state. Must explicitly
// set the muted on the video player to make the change dynamic.
const video = this._getVideoCallback();
if (video) {
video.muted = true;
}
}
public async unmute(): Promise<void> {
await this._host.updateComplete;
const video = this._getVideoCallback();
if (video) {
video.muted = false;
}
}
public isMuted(): boolean {
return this._getVideoCallback()?.muted ?? true;
}
public async seek(seconds: number): Promise<void> {
await this._host.updateComplete;
const video = this._getVideoCallback();
if (video) {
hideMediaControlsTemporarily(video);
video.currentTime = seconds;
}
}
public async setControls(controls?: boolean): Promise<void> {
await this._host.updateComplete;
const video = this._getVideoCallback();
const value = controls ?? this._getControlsDefaultCallback?.();
if (video && value !== undefined) {
setControlsOnVideo(video, value);
}
}
public isPaused(): boolean {
return this._getVideoCallback()?.paused ?? true;
}
public async getScreenshotURL(): Promise<string | null> {
await this._host.updateComplete;
const video = this._getVideoCallback();
return video ? screenshotVideo(video) : null;
}
public getFullscreenElement(): FullscreenElement | null {
return this._getVideoCallback() ?? null;
}
public getPIPElement(): PIPElement | null {
return this._getVideoCallback() ?? null;
}
}