738 lines
22 KiB
TypeScript
738 lines
22 KiB
TypeScript
/*
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* https://github.com/morethanwords/tweb
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* Copyright (C) 2019-2021 Eduard Kuzmenko
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* https://github.com/morethanwords/tweb/blob/master/LICENSE
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*/
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import rootScope from "../lib/rootScope";
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import appMessagesManager from "../lib/appManagers/appMessagesManager";
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import appDocsManager, {MyDocument} from "../lib/appManagers/appDocsManager";
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import { CancellablePromise, deferredPromise } from "../helpers/cancellablePromise";
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import { IS_APPLE, IS_SAFARI } from "../environment/userAgent";
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import { MOUNT_CLASS_TO } from "../config/debug";
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import appDownloadManager from "../lib/appManagers/appDownloadManager";
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import simulateEvent from "../helpers/dom/dispatchEvent";
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import type { SearchSuperContext } from "./appSearchSuper.";
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import { copy, deepEqual } from "../helpers/object";
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import { DocumentAttribute, Message, MessageMedia, PhotoSize } from "../layer";
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import appPhotosManager from "../lib/appManagers/appPhotosManager";
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import { IS_TOUCH_SUPPORTED } from "../environment/touchSupport";
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import appAvatarsManager from "../lib/appManagers/appAvatarsManager";
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import appPeersManager from "../lib/appManagers/appPeersManager";
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import I18n from "../lib/langPack";
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import SearchListLoader from "../helpers/searchListLoader";
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import { onMediaLoad } from "../helpers/files";
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// TODO: Safari: проверить стрим, включить его и сразу попробовать включить видео или другую песню
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// TODO: Safari: попробовать замаскировать подгрузку последнего чанка
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// TODO: Safari: пофиксить момент, когда заканчивается песня и пытаешься включить её заново - прогресс сразу в конце
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export type MediaItem = {mid: number, peerId: PeerId};
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type HTMLMediaElement = HTMLAudioElement | HTMLVideoElement;
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const SHOULD_USE_SAFARI_FIX = (() => {
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try {
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return IS_SAFARI && +navigator.userAgent.match(/ Version\/(\d+)/)[1] < 14;
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} catch(err) {
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return false;
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}
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})();
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const SEEK_OFFSET = 10;
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export type MediaSearchContext = SearchSuperContext & Partial<{
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isScheduled: boolean,
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useSearch: boolean
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}>;
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type MediaDetails = {
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peerId: PeerId,
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mid: number,
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docId: DocId,
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clean?: boolean,
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isScheduled?: boolean,
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isSingle?: boolean
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};
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class AppMediaPlaybackController {
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private container: HTMLElement;
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private media: Map<PeerId, Map<number, HTMLMediaElement>> = new Map();
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private scheduled: AppMediaPlaybackController['media'] = new Map();
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private mediaDetails: Map<HTMLMediaElement, MediaDetails> = new Map();
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private playingMedia: HTMLMediaElement;
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private waitingMediaForLoad: Map<PeerId, Map<number, CancellablePromise<void>>> = new Map();
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private waitingScheduledMediaForLoad: AppMediaPlaybackController['waitingMediaForLoad'] = new Map();
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private waitingDocumentsForLoad: {[docId: string]: Set<HTMLMediaElement>} = {};
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public willBePlayedMedia: HTMLMediaElement;
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private searchContext: MediaSearchContext;
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private listLoader: SearchListLoader<MediaItem>;
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public volume: number;
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public muted: boolean;
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public playbackRate: number;
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private _volume = 1;
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private _muted = false;
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private _playbackRate = 1;
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private lockedSwitchers: boolean;
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constructor() {
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this.container = document.createElement('div');
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//this.container.style.cssText = 'position: absolute; top: -10000px; left: -10000px;';
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this.container.style.cssText = 'display: none;';
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document.body.append(this.container);
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if(navigator.mediaSession) {
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const actions: {[action in MediaSessionAction]?: MediaSessionActionHandler} = {
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play: this.play,
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pause: this.pause,
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stop: this.stop,
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seekbackward: this.seekBackward,
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seekforward: this.seekForward,
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seekto: this.seekTo,
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previoustrack: this.previous,
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nexttrack: this.next
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};
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for(const action in actions) {
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try {
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navigator.mediaSession.setActionHandler(action as MediaSessionAction, actions[action as MediaSessionAction]);
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} catch(err) {
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console.warn('MediaSession action is not supported:', action);
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}
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}
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}
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rootScope.addEventListener('document_downloaded', (doc) => {
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const set = this.waitingDocumentsForLoad[doc.id];
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if(set) {
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for(const media of set) {
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this.onMediaDocumentLoad(media);
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}
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}
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});
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const properties: {[key: PropertyKey]: PropertyDescriptor} = {};
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const keys = [
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'volume' as const,
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'muted' as const,
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'playbackRate' as const
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];
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keys.forEach(key => {
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const _key = ('_' + key) as `_${typeof key}`;
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properties[key] = {
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get: () => this[_key],
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set: (value: number | boolean) => {
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if(this[_key] === value) {
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return;
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}
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// @ts-ignore
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this[_key] = value;
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if(this.playingMedia) {
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// @ts-ignore
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this.playingMedia[key] = value;
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}
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this.dispatchPlaybackParams();
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}
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};
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});
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Object.defineProperties(this, properties);
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}
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private dispatchPlaybackParams() {
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const {volume, muted, playbackRate} = this;
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rootScope.dispatchEvent('media_playback_params', {
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volume, muted, playbackRate
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});
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}
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public seekBackward = (details: MediaSessionActionDetails) => {
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const media = this.playingMedia;
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if(media) {
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media.currentTime = Math.max(0, media.currentTime - (details.seekOffset || SEEK_OFFSET));
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}
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};
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public seekForward = (details: MediaSessionActionDetails) => {
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const media = this.playingMedia;
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if(media) {
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media.currentTime = Math.min(media.duration, media.currentTime + (details.seekOffset || SEEK_OFFSET));
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}
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};
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public seekTo = (details: MediaSessionActionDetails) => {
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const media = this.playingMedia;
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if(media) {
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media.currentTime = details.seekTime;
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}
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};
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public addMedia(message: Message.message, autoload: boolean, clean?: boolean): HTMLMediaElement {
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const {peerId, mid} = message;
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const isScheduled = !!message.pFlags.is_scheduled;
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const s = isScheduled ? this.scheduled : this.media;
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let storage = s.get(message.peerId);
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if(!storage) {
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s.set(message.peerId, storage = new Map());
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}
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let media = storage.get(mid);
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if(media) {
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return media;
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}
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const doc: MyDocument = appMessagesManager.getMediaFromMessage(message);
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storage.set(mid, media = document.createElement(doc.type === 'round' || doc.type === 'video' ? 'video' : 'audio'));
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//const source = document.createElement('source');
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//source.type = doc.type === 'voice' && !opusDecodeController.isPlaySupported() ? 'audio/wav' : doc.mime_type;
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if(doc.type === 'round') {
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media.setAttribute('playsinline', 'true');
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//media.muted = true;
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}
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const details: MediaDetails = {
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peerId,
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mid,
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docId: doc.id,
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clean,
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isScheduled: message.pFlags.is_scheduled
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};
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this.mediaDetails.set(media, details);
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//media.autoplay = true;
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media.volume = 1;
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//media.append(source);
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this.container.append(media);
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media.addEventListener('play', this.onPlay);
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media.addEventListener('pause', this.onPause);
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media.addEventListener('ended', this.onEnded);
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if(doc.type !== 'audio' && message?.pFlags.media_unread && message.fromId !== rootScope.myId) {
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media.addEventListener('timeupdate', () => {
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appMessagesManager.readMessages(peerId, [mid]);
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}, {once: true});
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}
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/* const onError = (e: Event) => {
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//console.log('appMediaPlaybackController: video onError', e);
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if(this.nextMid === mid) {
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this.loadSiblingsMedia(peerId, doc.type as MediaType, mid).then(() => {
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if(this.nextMid && storage[this.nextMid]) {
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storage[this.nextMid].play();
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}
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});
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}
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};
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media.addEventListener('error', onError); */
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const deferred = deferredPromise<void>();
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if(autoload) {
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deferred.resolve();
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} else {
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const w = message.pFlags.is_scheduled ? this.waitingScheduledMediaForLoad : this.waitingMediaForLoad;
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let waitingStorage = w.get(peerId);
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if(!waitingStorage) {
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w.set(peerId, waitingStorage = new Map());
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}
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waitingStorage.set(mid, deferred);
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}
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deferred.then(() => {
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//media.autoplay = true;
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//console.log('will set media url:', media, doc, doc.type, doc.url);
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const cacheContext = appDownloadManager.getCacheContext(doc);
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if(doc.supportsStreaming || cacheContext.url) {
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this.onMediaDocumentLoad(media);
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} else {
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let set = this.waitingDocumentsForLoad[doc.id];
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if(!set) {
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set = this.waitingDocumentsForLoad[doc.id] = new Set();
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}
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set.add(media);
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appDocsManager.downloadDoc(doc);
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}
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}/* , onError */);
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return media;
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}
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public getMedia(peerId: PeerId, mid: number, isScheduled?: boolean) {
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const s = (isScheduled ? this.scheduled : this.media).get(peerId);
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return s?.get(mid);
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}
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private onMediaDocumentLoad = (media: HTMLMediaElement) => {
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const details = this.mediaDetails.get(media);
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const doc = appDocsManager.getDoc(details.docId);
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if(doc.type === 'audio' && doc.supportsStreaming && SHOULD_USE_SAFARI_FIX) {
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this.handleSafariStreamable(media);
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}
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// setTimeout(() => {
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const cacheContext = appDownloadManager.getCacheContext(doc);
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media.src = cacheContext.url;
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// }, doc.supportsStreaming ? 500e3 : 0);
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const set = this.waitingDocumentsForLoad[doc.id];
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if(set) {
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set.delete(media);
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if(!set.size) {
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delete this.waitingDocumentsForLoad[doc.id];
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}
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}
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};
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// safari подгрузит последний чанк и песня включится,
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// при этом этот чанк нельзя руками отдать из SW, потому что браузер тогда теряется
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private handleSafariStreamable(media: HTMLMediaElement) {
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media.addEventListener('play', () => {
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/* if(media.readyState === 4) { // https://developer.mozilla.org/ru/docs/Web/API/XMLHttpRequest/readyState
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return;
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} */
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//media.volume = 0;
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const currentTime = media.currentTime;
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//this.setSafariBuffering(media, true);
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media.addEventListener('progress', () => {
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media.currentTime = media.duration - 1;
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media.addEventListener('progress', () => {
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media.currentTime = currentTime;
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//media.volume = 1;
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//this.setSafariBuffering(media, false);
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if(!media.paused) {
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media.play()/* .catch(() => {}) */;
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}
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}, {once: true});
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}, {once: true});
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}/* , {once: true} */);
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}
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public resolveWaitingForLoadMedia(peerId: PeerId, mid: number, isScheduled?: boolean) {
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const w = isScheduled ? this.waitingScheduledMediaForLoad : this.waitingMediaForLoad;
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const storage = w.get(peerId);
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if(!storage) {
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return;
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}
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const promise = storage.get(mid);
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if(promise) {
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promise.resolve();
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storage.delete(mid);
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if(!storage.size) {
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w.delete(peerId);
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}
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}
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}
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/**
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* Only for audio
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*/
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public isSafariBuffering(media: HTMLMediaElement) {
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/// @ts-ignore
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return !!media.safariBuffering;
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}
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private setSafariBuffering(media: HTMLMediaElement, value: boolean) {
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// @ts-ignore
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media.safariBuffering = value;
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}
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private async setNewMediadata(message: Message.message, playingMedia = this.playingMedia) {
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await onMediaLoad(playingMedia, undefined, false); // have to wait for load, otherwise on macOS won't set
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const doc = (message.media as MessageMedia.messageMediaDocument).document as MyDocument;
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const artwork: MediaImage[] = [];
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const isVoice = doc.type === 'voice' || doc.type === 'round';
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let title = '', artist = '';
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if(doc.thumbs?.length) {
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const size = doc.thumbs[doc.thumbs.length - 1];
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if(!(size as PhotoSize.photoStrippedSize).bytes) {
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const cacheContext = appDownloadManager.getCacheContext(doc, size.type);
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if(cacheContext.url) {
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artwork.push({
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src: cacheContext.url,
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sizes: `${(size as PhotoSize.photoSize).w}x${(size as PhotoSize.photoSize).h}`,
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type: 'image/jpeg'
|
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});
|
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} else {
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const download = appPhotosManager.preloadPhoto(doc, size);
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download.then(() => {
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if(this.playingMedia !== playingMedia || !cacheContext.url) {
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return;
|
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}
|
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this.setNewMediadata(message);
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});
|
||
}
|
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}
|
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} else if(isVoice) {
|
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const peerId = message.fromId || message.peerId;
|
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const peerPhoto = appPeersManager.getPeerPhoto(peerId);
|
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if(peerPhoto) {
|
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const result = appAvatarsManager.loadAvatar(peerId, peerPhoto, 'photo_small');
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if(result.cached) {
|
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const url = await result.loadPromise;
|
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artwork.push({
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src: url,
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sizes: '160x160',
|
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type: 'image/jpeg'
|
||
});
|
||
} else {
|
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result.loadPromise.then((url) => {
|
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if(this.playingMedia !== playingMedia || !url) {
|
||
return;
|
||
}
|
||
|
||
this.setNewMediadata(message);
|
||
});
|
||
}
|
||
}
|
||
|
||
title = appPeersManager.getPeerTitle(peerId, true, false);
|
||
artist = I18n.format(doc.type === 'voice' ? 'AttachAudio' : 'AttachRound', true);
|
||
}
|
||
|
||
if(!isVoice) {
|
||
const attribute = doc.attributes.find(attribute => attribute._ === 'documentAttributeAudio') as DocumentAttribute.documentAttributeAudio;
|
||
title = attribute && attribute.title || doc.file_name;
|
||
artist = attribute && attribute.performer;
|
||
}
|
||
|
||
if(!artwork.length) {
|
||
if(IS_APPLE) {
|
||
if(IS_TOUCH_SUPPORTED) {
|
||
artwork.push({
|
||
src: `assets/img/apple-touch-icon-precomposed.png`,
|
||
sizes: '180x180',
|
||
type: 'image/png'
|
||
});
|
||
} else {
|
||
artwork.push({
|
||
src: `assets/img/apple-touch-icon.png`,
|
||
sizes: '180x180',
|
||
type: 'image/png'
|
||
});
|
||
}
|
||
} else {
|
||
[72, 96, 144, 192, 256, 384, 512].forEach(size => {
|
||
const sizes = `${size}x${size}`;
|
||
artwork.push({
|
||
src: `assets/img/android-chrome-${sizes}.png`,
|
||
sizes,
|
||
type: 'image/png'
|
||
});
|
||
});
|
||
}
|
||
}
|
||
|
||
const metadata = new MediaMetadata({
|
||
title,
|
||
artist,
|
||
artwork
|
||
});
|
||
|
||
navigator.mediaSession.metadata = metadata;
|
||
}
|
||
|
||
private getMessageByMedia(media: HTMLMediaElement) {
|
||
const details = this.mediaDetails.get(media);
|
||
const {peerId, mid} = details;
|
||
const message = details.isScheduled ? appMessagesManager.getScheduledMessageByPeer(peerId, mid) : appMessagesManager.getMessageByPeer(peerId, mid);
|
||
return message;
|
||
}
|
||
|
||
private onPlay = (e?: Event) => {
|
||
const media = e.target as HTMLMediaElement;
|
||
const details = this.mediaDetails.get(media);
|
||
const {peerId, mid} = details;
|
||
|
||
//console.log('appMediaPlaybackController: video playing', this.currentPeerId, this.playingMedia, media);
|
||
|
||
const message = this.getMessageByMedia(media);
|
||
|
||
const previousMedia = this.playingMedia;
|
||
if(previousMedia !== media) {
|
||
this.stop();
|
||
|
||
const verify = (element: MediaItem) => element.mid === mid && element.peerId === peerId;
|
||
if(!this.listLoader.current || !verify(this.listLoader.current)) {
|
||
let idx = this.listLoader.previous.findIndex(verify);
|
||
let jumpLength: number;
|
||
if(idx !== -1) {
|
||
jumpLength = -(this.listLoader.previous.length - idx);
|
||
} else {
|
||
idx = this.listLoader.next.findIndex(verify);
|
||
if(idx !== -1) {
|
||
jumpLength = idx + 1;
|
||
}
|
||
}
|
||
|
||
if(idx !== -1) {
|
||
if(jumpLength) {
|
||
this.listLoader.go(jumpLength, false);
|
||
}
|
||
} else {
|
||
this.setTargets({peerId, mid});
|
||
}
|
||
}
|
||
|
||
this.setMedia(media, message);
|
||
}
|
||
|
||
// audio_pause не успеет сработать без таймаута
|
||
setTimeout(() => {
|
||
rootScope.dispatchEvent('media_play', {doc: appMessagesManager.getMediaFromMessage(message), message, media});
|
||
}, 0);
|
||
};
|
||
|
||
private onPause = (e?: Event) => {
|
||
/* const target = e.target as HTMLMediaElement;
|
||
if(!isInDOM(target)) {
|
||
this.container.append(target);
|
||
target.play();
|
||
return;
|
||
} */
|
||
|
||
rootScope.dispatchEvent('media_pause');
|
||
};
|
||
|
||
private onEnded = (e?: Event) => {
|
||
if(!e.isTrusted) {
|
||
return;
|
||
}
|
||
|
||
this.onPause(e);
|
||
|
||
//console.log('on media end');
|
||
|
||
if(!this.next()) {
|
||
this.stop();
|
||
rootScope.dispatchEvent('media_stop');
|
||
}
|
||
};
|
||
|
||
public toggle(play?: boolean) {
|
||
if(!this.playingMedia) {
|
||
return false;
|
||
}
|
||
|
||
if(play === undefined) {
|
||
play = this.playingMedia.paused;
|
||
}
|
||
|
||
if(this.playingMedia.paused !== play) {
|
||
return false;
|
||
}
|
||
|
||
if(play) {
|
||
this.playingMedia.play();
|
||
} else {
|
||
this.playingMedia.pause();
|
||
}
|
||
|
||
return true;
|
||
}
|
||
|
||
public play = () => {
|
||
return this.toggle(true);
|
||
};
|
||
|
||
public pause = () => {
|
||
return this.toggle(false);
|
||
};
|
||
|
||
public stop = () => {
|
||
const media = this.playingMedia;
|
||
if(!media) {
|
||
return false;
|
||
}
|
||
|
||
if(!media.paused) {
|
||
media.pause();
|
||
}
|
||
|
||
media.currentTime = 0;
|
||
simulateEvent(media, 'ended');
|
||
|
||
const details = this.mediaDetails.get(media);
|
||
if(details?.clean) {
|
||
media.src = '';
|
||
const peerId = details.peerId;
|
||
const s = details.isScheduled ? this.scheduled : this.media;
|
||
const storage = s.get(peerId);
|
||
if(storage) {
|
||
storage.delete(details.mid);
|
||
|
||
if(!storage.size) {
|
||
s.delete(peerId);
|
||
}
|
||
}
|
||
|
||
media.remove();
|
||
|
||
this.mediaDetails.delete(media);
|
||
}
|
||
|
||
this.playingMedia = undefined;
|
||
|
||
return true;
|
||
};
|
||
|
||
public playItem = (item: MediaItem) => {
|
||
const {peerId, mid} = item;
|
||
const isScheduled = this.searchContext.isScheduled;
|
||
const media = this.getMedia(peerId, mid, isScheduled);
|
||
|
||
/* if(isSafari) {
|
||
media.autoplay = true;
|
||
} */
|
||
|
||
media.play();
|
||
|
||
setTimeout(() => {
|
||
this.resolveWaitingForLoadMedia(peerId, mid, isScheduled);
|
||
}, 0);
|
||
};
|
||
|
||
public next = () => {
|
||
return !this.lockedSwitchers && this.listLoader.go(1);
|
||
};
|
||
|
||
public previous = () => {
|
||
const media = this.playingMedia;
|
||
if(media && media.currentTime > 5) {
|
||
media.currentTime = 0;
|
||
this.toggle(true);
|
||
return;
|
||
}
|
||
|
||
return !this.lockedSwitchers && this.listLoader.go(-1);
|
||
};
|
||
|
||
public willBePlayed(media: HTMLMediaElement) {
|
||
this.willBePlayedMedia = media;
|
||
}
|
||
|
||
public setSearchContext(context: MediaSearchContext) {
|
||
if(deepEqual(this.searchContext, context)) {
|
||
return false;
|
||
}
|
||
|
||
this.searchContext = copy(context); // {_: type === 'audio' ? 'inputMessagesFilterMusic' : 'inputMessagesFilterRoundVoice'}
|
||
return true;
|
||
}
|
||
|
||
public getSearchContext() {
|
||
return this.searchContext;
|
||
}
|
||
|
||
public setTargets(current: MediaItem, prev?: MediaItem[], next?: MediaItem[]) {
|
||
if(!this.listLoader) {
|
||
this.listLoader = new SearchListLoader({
|
||
loadCount: 10,
|
||
loadWhenLeft: 5,
|
||
processItem: (message: Message.message) => {
|
||
this.addMedia(message, false);
|
||
return {peerId: message.peerId, mid: message.mid};
|
||
},
|
||
onJump: (item, older) => {
|
||
this.playItem(item);
|
||
},
|
||
onEmptied: () => {
|
||
rootScope.dispatchEvent('media_stop');
|
||
this.stop();
|
||
}
|
||
});
|
||
} else {
|
||
this.listLoader.reset();
|
||
}
|
||
|
||
const reverse = this.searchContext.folderId !== undefined ? false : true;
|
||
if(prev) {
|
||
this.listLoader.setTargets(prev, next, reverse);
|
||
} else {
|
||
this.listLoader.reverse = reverse;
|
||
}
|
||
|
||
this.listLoader.setSearchContext(this.searchContext);
|
||
this.listLoader.current = current;
|
||
|
||
this.listLoader.load(true);
|
||
this.listLoader.load(false);
|
||
}
|
||
|
||
public setMedia(media: HTMLMediaElement, message: Message.message) {
|
||
this.playingMedia = media;
|
||
this.playingMedia.volume = this.volume;
|
||
this.playingMedia.muted = this.muted;
|
||
this.playingMedia.playbackRate = this.playbackRate;
|
||
|
||
if('mediaSession' in navigator) {
|
||
this.setNewMediadata(message);
|
||
}
|
||
}
|
||
|
||
public setSingleMedia(media?: HTMLMediaElement, message?: Message.message) {
|
||
const playingMedia = this.playingMedia;
|
||
|
||
const wasPlaying = this.pause();
|
||
|
||
this.willBePlayed(undefined);
|
||
if(media) this.setMedia(media, message);
|
||
else this.playingMedia = undefined;
|
||
this.toggleSwitchers(false);
|
||
|
||
return () => {
|
||
this.toggleSwitchers(true);
|
||
|
||
if(playingMedia) {
|
||
if(this.mediaDetails.get(playingMedia)) {
|
||
this.setMedia(playingMedia, this.getMessageByMedia(playingMedia));
|
||
} else {
|
||
this.next() || this.previous();
|
||
}
|
||
}
|
||
|
||
if(media && this.playingMedia === media) {
|
||
this.stop();
|
||
}
|
||
|
||
if(wasPlaying) {
|
||
this.play();
|
||
}
|
||
};
|
||
}
|
||
|
||
public toggleSwitchers(enabled: boolean) {
|
||
this.lockedSwitchers = !enabled;
|
||
}
|
||
}
|
||
|
||
const appMediaPlaybackController = new AppMediaPlaybackController();
|
||
MOUNT_CLASS_TO.appMediaPlaybackController = appMediaPlaybackController;
|
||
export default appMediaPlaybackController;
|