160 lines
5.1 KiB
TypeScript
160 lines
5.1 KiB
TypeScript
import {HtmlUtils} from "./HtmlUtils";
|
|
import {isUndefined} from "generic-type-guard";
|
|
|
|
enum videoStates {
|
|
closed = 0,
|
|
loading = 1,
|
|
playing = 2
|
|
}
|
|
|
|
const videoPlayerDivId = "videoplayer";
|
|
const videoPlayerCtrlId = "videoplayerctrl";
|
|
const animationTime = 500;
|
|
|
|
class VideoManager {
|
|
private opened = videoStates.closed;
|
|
|
|
private videoPlayerDiv: HTMLDivElement;
|
|
private videoPlayerCtrl: HTMLDivElement;
|
|
private videoPlayerElem: HTMLVideoElement | undefined;
|
|
|
|
private volume = 1;
|
|
private muted = false;
|
|
private decreaseWhileTalking = true;
|
|
private volumeReduced = false;
|
|
|
|
constructor() {
|
|
this.videoPlayerDiv = HtmlUtils.getElementByIdOrFail<HTMLDivElement>(videoPlayerDivId);
|
|
this.videoPlayerCtrl = HtmlUtils.getElementByIdOrFail<HTMLDivElement>(videoPlayerCtrlId);
|
|
|
|
const storedVolume = localStorage.getItem('volume')
|
|
if (storedVolume === null) {
|
|
this.setVolume(1);
|
|
} else {
|
|
this.volume = parseFloat(storedVolume);
|
|
//HtmlUtils.getElementByIdOrFail<HTMLInputElement>('videoplayer_volume').value = storedVolume;
|
|
}
|
|
|
|
//HtmlUtils.getElementByIdOrFail<HTMLInputElement>('videoplayer_volume').value = '' + this.volume;
|
|
}
|
|
|
|
private close(): void {
|
|
this.videoPlayerCtrl.classList.remove('loading');
|
|
this.videoPlayerCtrl.classList.add('hidden');
|
|
this.opened = videoStates.closed;
|
|
}
|
|
|
|
private load(): void {
|
|
this.videoPlayerCtrl.classList.remove('hidden');
|
|
this.videoPlayerCtrl.classList.add('loading');
|
|
this.opened = videoStates.loading;
|
|
}
|
|
|
|
private open(): void {
|
|
this.videoPlayerCtrl.classList.remove('hidden', 'loading');
|
|
this.opened = videoStates.playing;
|
|
}
|
|
|
|
private changeVolume(talking = false): void {
|
|
if (!isUndefined(this.videoPlayerElem)) {
|
|
this.videoPlayerElem.volume = this.naturalVolume(talking && this.decreaseWhileTalking);
|
|
this.videoPlayerElem.muted = this.muted;
|
|
}
|
|
}
|
|
|
|
private naturalVolume(makeSofter: boolean = false): number {
|
|
const volume = this.volume
|
|
const retVol = makeSofter && !this.volumeReduced ? Math.pow(volume * 0.5, 3) : volume
|
|
this.volumeReduced = makeSofter
|
|
return retVol;
|
|
}
|
|
|
|
private setVolume(volume: number): void {
|
|
this.volume = volume;
|
|
localStorage.setItem('volume', '' + volume);
|
|
}
|
|
|
|
|
|
public loadVideo(url: string): void {
|
|
this.load();
|
|
|
|
/* Solution 1, remove whole video player */
|
|
this.videoPlayerDiv.innerHTML = ''; // necessary, if switching from one video context to another! (else both streams would play simultaneously)
|
|
|
|
this.videoPlayerElem = document.createElement('video');
|
|
this.videoPlayerElem.id = 'videoplayerelem';
|
|
this.videoPlayerElem.controls = true;
|
|
this.videoPlayerElem.preload = 'none';
|
|
|
|
const srcElem = document.createElement('source');
|
|
srcElem.src = url;
|
|
|
|
this.videoPlayerElem.append(srcElem);
|
|
|
|
this.videoPlayerDiv.append(this.videoPlayerElem);
|
|
this.changeVolume();
|
|
this.videoPlayerElem.play();
|
|
|
|
/*const muteElem = HtmlUtils.getElementByIdOrFail<HTMLInputElement>('videoplayer_mute');
|
|
muteElem.onclick = (ev: Event)=> {
|
|
this.muted = !this.muted;
|
|
this.changeVolume();
|
|
|
|
if (this.muted) {
|
|
HtmlUtils.getElementByIdOrFail<HTMLInputElement>('videoplayer_volume_icon_playing').classList.add('muted');
|
|
} else {
|
|
HtmlUtils.getElementByIdOrFail<HTMLInputElement>('videoplayer_volume_icon_playing').classList.remove('muted');
|
|
}
|
|
}
|
|
|
|
const volumeElem = HtmlUtils.getElementByIdOrFail<HTMLInputElement>('videoplayer_volume');
|
|
volumeElem.oninput = (ev: Event)=> {
|
|
this.setVolume(parseFloat((<HTMLInputElement>ev.currentTarget).value));
|
|
this.changeVolume();
|
|
|
|
(<HTMLInputElement>ev.currentTarget).blur();
|
|
}*/
|
|
|
|
const decreaseElem = HtmlUtils.getElementByIdOrFail<HTMLInputElement>('videoplayer_decrease_while_talking');
|
|
decreaseElem.oninput = (ev: Event)=> {
|
|
this.decreaseWhileTalking = (<HTMLInputElement>ev.currentTarget).checked;
|
|
this.changeVolume();
|
|
}
|
|
|
|
this.open();
|
|
}
|
|
|
|
public loop(): void {
|
|
if (this.videoPlayerElem !== undefined) {
|
|
this.videoPlayerElem.loop = true;
|
|
}
|
|
}
|
|
|
|
public unloadVideo(): void {
|
|
try {
|
|
const videoElem = HtmlUtils.getElementByIdOrFail<HTMLVideoElement>('videoplayerelem');
|
|
this.volume = videoElem.volume;
|
|
this.muted = videoElem.muted;
|
|
videoElem.pause();
|
|
videoElem.loop = false;
|
|
videoElem.src = "";
|
|
videoElem.innerHTML = "";
|
|
videoElem.load();
|
|
} catch (e) {
|
|
console.log('No video element loaded to unload');
|
|
}
|
|
|
|
this.close();
|
|
}
|
|
|
|
public decreaseVolume(): void {
|
|
this.changeVolume(true);
|
|
}
|
|
|
|
public restoreVolume(): void {
|
|
this.changeVolume(false);
|
|
}
|
|
}
|
|
|
|
export const videoManager = new VideoManager();
|