504 lines
15 KiB
TypeScript
504 lines
15 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 { isApple, isSafari } from "../helpers/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 { isTouchSupported } from "../helpers/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 "./appMediaViewer";
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// TODO: если удалить сообщение, и при этом аудио будет играть - оно не остановится, и можно будет по нему перейти вникуда
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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: number};
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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 isSafari && +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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class AppMediaPlaybackController {
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private container: HTMLElement;
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private media: {
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[peerId: string]: {
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[mid: string]: HTMLMediaElement
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}
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} = {};
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private playingMedia: HTMLMediaElement;
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private waitingMediaForLoad: {
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[peerId: string]: {
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[mid: string]: CancellablePromise<void>
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}
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} = {};
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public willBePlayedMedia: HTMLMediaElement;
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private searchContext: SearchSuperContext;
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private listLoader: SearchListLoader<MediaItem>;
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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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}
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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(peerId: number, doc: MyDocument, mid: number, autoload = true): HTMLMediaElement {
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const storage = this.media[peerId] ?? (this.media[peerId] = {});
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if(storage[mid]) return storage[mid];
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const media = document.createElement(doc.type === 'round' ? '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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media.dataset.peerId = '' + peerId;
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media.dataset.mid = '' + mid;
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media.dataset.type = doc.type;
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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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/* 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 waitingStorage = this.waitingMediaForLoad[peerId] ?? (this.waitingMediaForLoad[peerId] = {});
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waitingStorage[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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((!doc.supportsStreaming ? appDocsManager.downloadDoc(doc) : Promise.resolve()) as Promise<any>).then(() => {
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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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});
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}/* , onError */);
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return storage[mid] = media;
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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: number, mid: number) {
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const storage = this.waitingMediaForLoad[peerId];
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if(!storage) {
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return;
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}
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const promise = storage[mid];
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if(promise) {
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promise.resolve();
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delete storage[mid];
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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) {
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const playingMedia = this.playingMedia;
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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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}
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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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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'
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});
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} else {
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result.loadPromise.then((url) => {
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if(this.playingMedia !== playingMedia || !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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title = appPeersManager.getPeerTitle(peerId, true, false);
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artist = I18n.format(doc.type === 'voice' ? 'AttachAudio' : 'AttachRound', true);
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}
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if(!isVoice) {
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const attribute = doc.attributes.find(attribute => attribute._ === 'documentAttributeAudio') as DocumentAttribute.documentAttributeAudio;
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title = attribute && attribute.title || doc.file_name;
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artist = attribute && attribute.performer;
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}
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if(!artwork.length) {
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if(isApple) {
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if(isTouchSupported) {
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artwork.push({
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src: `assets/img/apple-touch-icon-precomposed.png`,
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sizes: '180x180',
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type: 'image/png'
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});
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} else {
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artwork.push({
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src: `assets/img/apple-touch-icon.png`,
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sizes: '180x180',
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type: 'image/png'
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});
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}
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} else {
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[72, 96, 144, 192, 256, 384, 512].forEach(size => {
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const sizes = `${size}x${size}`;
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artwork.push({
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src: `assets/img/android-chrome-${sizes}.png`,
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sizes,
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type: 'image/png'
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});
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});
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}
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}
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const metadata = new MediaMetadata({
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title,
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artist,
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artwork
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});
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navigator.mediaSession.metadata = metadata;
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}
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onPlay = (e?: Event) => {
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const media = e.target as HTMLMediaElement;
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const peerId = +media.dataset.peerId;
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const mid = +media.dataset.mid;
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//console.log('appMediaPlaybackController: video playing', this.currentPeerId, this.playingMedia, media);
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const message = appMessagesManager.getMessageByPeer(peerId, mid);
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const previousMedia = this.playingMedia;
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if(previousMedia !== media) {
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this.stop();
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this.playingMedia = media;
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if('mediaSession' in navigator) {
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this.setNewMediadata(message);
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}
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}
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// audio_pause не успеет сработать без таймаута
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setTimeout(() => {
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rootScope.dispatchEvent('audio_play', {peerId, doc: message.media.document, mid});
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}, 0);
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};
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onPause = (e?: Event) => {
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/* const target = e.target as HTMLMediaElement;
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if(!isInDOM(target)) {
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this.container.append(target);
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target.play();
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return;
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} */
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rootScope.dispatchEvent('audio_pause');
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};
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onEnded = (e?: Event) => {
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if(!e.isTrusted) {
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return;
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}
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this.onPause(e);
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//console.log('on media end');
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this.next();
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};
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public toggle(play?: boolean) {
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if(!this.playingMedia) {
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return;
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}
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if(play === undefined) {
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play = this.playingMedia.paused;
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}
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if(this.playingMedia.paused !== play) {
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return;
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}
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if(play) {
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this.playingMedia.play();
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} else {
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this.playingMedia.pause();
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}
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}
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public play = () => {
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return this.toggle(true);
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};
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public pause = () => {
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return this.toggle(false);
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};
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public stop = () => {
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const media = this.playingMedia;
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if(media) {
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if(!media.paused) {
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media.pause();
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}
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media.currentTime = 0;
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simulateEvent(media, 'ended');
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// this.playingMedia = undefined;
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}
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};
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public playItem = (item: MediaItem) => {
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const {peerId, mid} = item;
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const media = this.media[peerId][mid];
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/* if(isSafari) {
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media.autoplay = true;
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} */
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this.resolveWaitingForLoadMedia(peerId, mid);
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setTimeout(() => {
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media.play()//.catch(() => {});
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}, 0);
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};
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public next = () => {
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this.listLoader.go(1);
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};
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public previous = () => {
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const media = this.playingMedia;
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if(media && media.currentTime > 5) {
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media.currentTime = 0;
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this.toggle(true);
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return;
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}
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this.listLoader.go(-1);
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};
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public willBePlayed(media: HTMLMediaElement) {
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this.willBePlayedMedia = media;
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}
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public setSearchContext(context: SearchSuperContext) {
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if(deepEqual(this.searchContext, context)) {
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return false;
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}
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this.searchContext = copy(context); // {_: type === 'audio' ? 'inputMessagesFilterMusic' : 'inputMessagesFilterRoundVoice'}
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return true;
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}
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public setTargets(current: MediaItem, prev?: MediaItem[], next?: MediaItem[]) {
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if(!this.listLoader) {
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this.listLoader = new SearchListLoader({
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loadCount: 10,
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loadWhenLeft: 5,
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processItem: (item: Message.message) => {
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const {peerId, mid} = item;
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this.addMedia(peerId, (item.media as MessageMedia.messageMediaDocument).document as MyDocument, mid, false);
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return {peerId, mid};
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},
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onJump: (item, older) => {
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this.playItem(item);
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}
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});
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} else {
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this.listLoader.reset();
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}
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const reverse = this.searchContext.folderId !== undefined ? false : true;
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if(prev) {
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this.listLoader.setTargets(prev, next, reverse);
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} else {
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this.listLoader.reverse = reverse;
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}
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this.listLoader.setSearchContext(this.searchContext);
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this.listLoader.current = current;
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this.listLoader.load(true);
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this.listLoader.load(false);
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}
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}
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const appMediaPlaybackController = new AppMediaPlaybackController();
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MOUNT_CLASS_TO.appMediaPlaybackController = appMediaPlaybackController;
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export default appMediaPlaybackController;
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