Telegram Web K with changes to work inside I2P https://web.telegram.i2p/
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/*
* https://github.com/morethanwords/tweb
* Copyright (C) 2019-2021 Eduard Kuzmenko
* https://github.com/morethanwords/tweb/blob/master/LICENSE
*/
import { deferredPromise } from "../helpers/cancellablePromise";
import mediaSizes from "../helpers/mediaSizes";
import { isTouchSupported } from "../helpers/touchSupport";
import { isMobileSafari, isSafari } from "../helpers/userAgent";
import appDocsManager, { MyDocument } from "../lib/appManagers/appDocsManager";
import appImManager from "../lib/appManagers/appImManager";
import appMessagesManager from "../lib/appManagers/appMessagesManager";
import appPhotosManager from "../lib/appManagers/appPhotosManager";
import { logger } from "../lib/logger";
import VideoPlayer from "../lib/mediaPlayer";
import { RichTextProcessor } from "../lib/richtextprocessor";
import rootScope from "../lib/rootScope";
import animationIntersector from "./animationIntersector";
import appMediaPlaybackController from "./appMediaPlaybackController";
import AvatarElement from "./avatar";
import ButtonIcon from "./buttonIcon";
import { ButtonMenuItemOptions } from "./buttonMenu";
import ButtonMenuToggle from "./buttonMenuToggle";
import { LazyLoadQueueBase } from "./lazyLoadQueue";
import PopupForward from "./popups/forward";
import ProgressivePreloader from "./preloader";
import Scrollable from "./scrollable";
import appSidebarRight from "./sidebarRight";
import SwipeHandler from "./swipeHandler";
import { months, ONE_DAY } from "../helpers/date";
import { SearchSuperContext } from "./appSearchSuper.";
import DEBUG from "../config/debug";
import appNavigationController from "./appNavigationController";
import { Message } from "../layer";
import { forEachReverse } from "../helpers/array";
import AppSharedMediaTab from "./sidebarRight/tabs/sharedMedia";
import findUpClassName from "../helpers/dom/findUpClassName";
import renderImageFromUrl from "../helpers/dom/renderImageFromUrl";
import getVisibleRect from "../helpers/dom/getVisibleRect";
import appDownloadManager from "../lib/appManagers/appDownloadManager";
import { cancelEvent } from "../helpers/dom/cancelEvent";
import fillPropertyValue from "../helpers/fillPropertyValue";
import generatePathData from "../helpers/generatePathData";
import replaceContent from "../helpers/dom/replaceContent";
import PeerTitle from "./peerTitle";
// TODO: масштабирование картинок (не SVG) при ресайзе, и правильный возврат на исходную позицию
// TODO: картинки "обрезаются" если возвращаются или появляются с места, где есть их перекрытие (топбар, поле ввода)
// TODO: видео в мобильной вёрстке, если показываются элементы управления: если свайпнуть в сторону, то элементы вернутся на место, т.е. прыгнут - это не ок, надо бы замаскировать
const MEDIA_VIEWER_CLASSNAME = 'media-viewer';
class AppMediaViewerBase<ContentAdditionType extends string, ButtonsAdditionType extends string, TargetType extends object> {
protected wholeDiv: HTMLElement;
protected overlaysDiv: HTMLElement;
protected author: {[k in 'container' | 'avatarEl' | 'nameEl' | 'date']: HTMLElement} = {} as any;
protected content: {[k in 'main' | 'container' | 'media' | 'mover' | ContentAdditionType]: HTMLElement} = {} as any;
protected buttons: {[k in 'download' | 'close' | 'prev' | 'next' | 'mobile-close' | ButtonsAdditionType]: HTMLElement} = {} as any;
protected topbar: HTMLElement;
protected tempId = 0;
protected preloader: ProgressivePreloader = null;
protected preloaderStreamable: ProgressivePreloader = null;
protected lastTarget: HTMLElement = null;
protected prevTargets: TargetType[] = [];
protected nextTargets: TargetType[] = [];
//protected targetContainer: HTMLElement = null;
//protected loadMore: () => void = null;
protected log: ReturnType<typeof logger>;
protected isFirstOpen = true;
protected loadMediaPromiseUp: Promise<void> = null;
protected loadMediaPromiseDown: Promise<void> = null;
protected loadedAllMediaUp = false;
protected loadedAllMediaDown = false;
protected reverse = false; // reverse means next = higher msgid
protected needLoadMore = true;
protected pageEl = document.getElementById('page-chats') as HTMLDivElement;
protected setMoverPromise: Promise<void>;
protected setMoverAnimationPromise: Promise<void>;
protected lazyLoadQueue: LazyLoadQueueBase;
protected highlightSwitchersTimeout: number;
protected onDownloadClick: (e: MouseEvent) => void;
protected onPrevClick: (target: TargetType) => void;
protected onNextClick: (target: TargetType) => void;
protected loadMoreMedia: (older: boolean) => Promise<void>;
protected videoPlayer: VideoPlayer;
constructor(topButtons: Array<keyof AppMediaViewerBase<ContentAdditionType, ButtonsAdditionType, TargetType>['buttons']>) {
this.log = logger('AMV');
this.preloader = new ProgressivePreloader();
this.preloaderStreamable = new ProgressivePreloader({
cancelable: false,
streamable: true
});
this.preloader.construct();
this.preloaderStreamable.construct();
this.lazyLoadQueue = new LazyLoadQueueBase();
this.wholeDiv = document.createElement('div');
this.wholeDiv.classList.add(MEDIA_VIEWER_CLASSNAME + '-whole');
this.overlaysDiv = document.createElement('div');
this.overlaysDiv.classList.add('overlays');
const mainDiv = document.createElement('div');
mainDiv.classList.add(MEDIA_VIEWER_CLASSNAME);
const topbar = this.topbar = document.createElement('div');
topbar.classList.add(MEDIA_VIEWER_CLASSNAME + '-topbar', MEDIA_VIEWER_CLASSNAME + '-appear');
const topbarLeft = document.createElement('div');
topbarLeft.classList.add(MEDIA_VIEWER_CLASSNAME + '-topbar-left');
this.buttons['mobile-close'] = ButtonIcon('close', {onlyMobile: true});
// * author
this.author.container = document.createElement('div');
this.author.container.classList.add(MEDIA_VIEWER_CLASSNAME + '-author', 'no-select');
const authorRight = document.createElement('div');
this.author.avatarEl = new AvatarElement();
this.author.avatarEl.classList.add(MEDIA_VIEWER_CLASSNAME + '-userpic', 'avatar-44');
this.author.nameEl = document.createElement('div');
this.author.nameEl.classList.add(MEDIA_VIEWER_CLASSNAME + '-name');
this.author.date = document.createElement('div');
this.author.date.classList.add(MEDIA_VIEWER_CLASSNAME + '-date');
authorRight.append(this.author.nameEl, this.author.date);
this.author.container.append(this.author.avatarEl, authorRight);
// * buttons
const buttonsDiv = document.createElement('div');
buttonsDiv.classList.add(MEDIA_VIEWER_CLASSNAME + '-buttons');
topButtons.concat(['download', 'close']).forEach(name => {
const button = ButtonIcon(name, {noRipple: name === 'close' || undefined});
this.buttons[name] = button;
buttonsDiv.append(button);
});
// * content
this.content.main = document.createElement('div');
this.content.main.classList.add(MEDIA_VIEWER_CLASSNAME + '-content');
this.content.container = document.createElement('div');
this.content.container.classList.add(MEDIA_VIEWER_CLASSNAME + '-container');
this.content.media = document.createElement('div');
this.content.media.classList.add(MEDIA_VIEWER_CLASSNAME + '-media');
this.content.container.append(this.content.media);
this.content.main.append(this.content.container);
mainDiv.append(this.content.main);
this.overlaysDiv.append(mainDiv);
// * overlays end
topbarLeft.append(this.buttons['mobile-close'], this.author.container);
topbar.append(topbarLeft, buttonsDiv);
this.buttons.prev = document.createElement('div');
this.buttons.prev.className = `${MEDIA_VIEWER_CLASSNAME}-switcher ${MEDIA_VIEWER_CLASSNAME}-switcher-left`;
this.buttons.prev.innerHTML = `<span class="tgico-down ${MEDIA_VIEWER_CLASSNAME}-prev-button"></span>`;
this.buttons.next = document.createElement('div');
this.buttons.next.className = `${MEDIA_VIEWER_CLASSNAME}-switcher ${MEDIA_VIEWER_CLASSNAME}-switcher-right`;
this.buttons.next.innerHTML = `<span class="tgico-down ${MEDIA_VIEWER_CLASSNAME}-next-button"></span>`;
this.wholeDiv.append(this.overlaysDiv, this.buttons.prev, this.buttons.next, this.topbar);
// * constructing html end
this.setNewMover();
}
protected setListeners() {
this.buttons.download.addEventListener('click', this.onDownloadClick);
[this.buttons.close, this.buttons['mobile-close'], this.preloaderStreamable.preloader].forEach(el => {
el.addEventListener('click', this.close.bind(this));
});
this.buttons.prev.addEventListener('click', (e) => {
cancelEvent(e);
if(this.setMoverPromise) return;
const target = this.prevTargets.pop();
if(target) {
this.onPrevClick(target);
} else {
this.buttons.prev.style.display = 'none';
}
});
this.buttons.next.addEventListener('click', (e) => {
cancelEvent(e);
if(this.setMoverPromise) return;
let target = this.nextTargets.shift();
if(target) {
this.onNextClick(target);
} else {
this.buttons.next.style.display = 'none';
}
});
this.wholeDiv.addEventListener('click', this.onClick);
if(isTouchSupported) {
const swipeHandler = new SwipeHandler({
element: this.wholeDiv,
onSwipe: (xDiff, yDiff) => {
if(VideoPlayer.isFullScreen()) {
return;
}
//console.log(xDiff, yDiff);
const percents = Math.abs(xDiff) / appPhotosManager.windowW;
if(percents > .2 || xDiff > 125) {
//console.log('will swipe', xDiff);
if(xDiff < 0) {
this.buttons.prev.click();
} else {
this.buttons.next.click();
}
return true;
}
const percentsY = Math.abs(yDiff) / appPhotosManager.windowH;
if(percentsY > .2 || yDiff > 125) {
this.buttons.close.click();
return true;
}
return false;
},
verifyTouchTarget: (evt) => {
// * Fix for seek input
if((evt.target as HTMLElement).tagName === 'INPUT' || findUpClassName(evt.target, 'media-viewer-caption')) {
return false;
}
return true;
}
});
}
}
protected setBtnMenuToggle(buttons: ButtonMenuItemOptions[]) {
const btnMenuToggle = ButtonMenuToggle({onlyMobile: true}, 'bottom-left', buttons);
this.topbar.append(btnMenuToggle);
}
public close(e?: MouseEvent) {
if(e) {
cancelEvent(e);
}
if(this.setMoverAnimationPromise) return;
appNavigationController.removeByType('media');
this.lazyLoadQueue.clear();
const promise = this.setMoverToTarget(this.lastTarget, true).then(({onAnimationEnd}) => onAnimationEnd);
this.lastTarget = null;
this.prevTargets = [];
this.nextTargets = [];
this.loadedAllMediaUp = this.loadedAllMediaDown = false;
this.loadMediaPromiseUp = this.loadMediaPromiseDown = null;
this.setMoverPromise = null;
this.tempId = -1;
/* if(appSidebarRight.historyTabIDs.slice(-1)[0] === AppSidebarRight.SLIDERITEMSIDS.forward) {
promise.then(() => {
appSidebarRight.forwardTab.closeBtn.click();
});
} */
window.removeEventListener('keydown', this.onKeyDown);
promise.finally(() => {
this.wholeDiv.remove();
rootScope.overlayIsActive = false;
animationIntersector.checkAnimations(false);
});
return promise;
}
onClick = (e: MouseEvent) => {
if(this.setMoverAnimationPromise) return;
const target = e.target as HTMLElement;
if(target.tagName === 'A') return;
cancelEvent(e);
if(isTouchSupported) {
if(this.highlightSwitchersTimeout) {
clearTimeout(this.highlightSwitchersTimeout);
} else {
this.wholeDiv.classList.add('highlight-switchers');
}
this.highlightSwitchersTimeout = window.setTimeout(() => {
this.wholeDiv.classList.remove('highlight-switchers');
this.highlightSwitchersTimeout = 0;
}, 3e3);
return;
}
let mover: HTMLElement = null;
['media-viewer-mover', 'media-viewer-buttons', 'media-viewer-author', 'media-viewer-caption'].find(s => {
try {
mover = findUpClassName(target, s);
if(mover) return true;
} catch(err) {return false;}
});
if(/* target === this.mediaViewerDiv */!mover || target.tagName === 'IMG' || target.tagName === 'image') {
this.buttons.close.click();
}
};
private onKeyDown = (e: KeyboardEvent) => {
//this.log('onKeyDown', e);
if(e.key === 'ArrowRight') {
this.buttons.next.click();
} else if(e.key === 'ArrowLeft') {
this.buttons.prev.click();
}
};
protected async setMoverToTarget(target: HTMLElement, closing = false, fromRight = 0) {
if(this.videoPlayer) { // there could be a better place for it
this.videoPlayer.removeListeners();
this.videoPlayer = undefined;
}
const mover = this.content.mover;
if(!closing) {
mover.innerHTML = '';
//mover.append(this.buttons.prev, this.buttons.next);
}
this.removeCenterFromMover(mover);
const wasActive = fromRight !== 0;
const delay = rootScope.settings.animationsEnabled ? (wasActive ? 350 : 200) : 0;
//let delay = wasActive ? 350 : 10000;
/* if(wasActive) {
this.moveTheMover(mover);
mover = this.setNewMover();
} */
/* if(DEBUG) {
this.log('setMoverToTarget', target, closing, wasActive, fromRight);
} */
let realParent: HTMLElement;
let rect: DOMRect;
if(target) {
if(target instanceof AvatarElement || target.classList.contains('grid-item')) {
realParent = target;
rect = target.getBoundingClientRect();
} else if(target instanceof SVGImageElement || target.parentElement instanceof SVGForeignObjectElement) {
realParent = findUpClassName(target, 'attachment');
rect = realParent.getBoundingClientRect();
} else if(target.classList.contains('profile-avatars-avatar')) {
realParent = findUpClassName(target, 'profile-avatars-container');
rect = realParent.getBoundingClientRect();
// * if not active avatar
if(closing && target.getBoundingClientRect().left !== rect.left) {
target = realParent = rect = undefined;
}
}
}
if(!target) {
target = this.content.media;
}
if(!rect) {
realParent = target.parentElement as HTMLElement;
rect = target.getBoundingClientRect();
}
let needOpacity = false;
if(target !== this.content.media && !target.classList.contains('profile-avatars-avatar')) {
const overflowElement = findUpClassName(realParent, 'scrollable');
const visibleRect = getVisibleRect(realParent, overflowElement);
if(closing && (!visibleRect || visibleRect.overflow.vertical === 2 || visibleRect.overflow.horizontal === 2)) {
target = this.content.media;
realParent = target.parentElement as HTMLElement;
rect = target.getBoundingClientRect();
} else if(visibleRect && (visibleRect.overflow.vertical === 1 || visibleRect.overflow.horizontal === 1)) {
needOpacity = true;
}
}
const containerRect = this.content.media.getBoundingClientRect();
let transform = '';
let left: number;
let top: number;
if(wasActive) {
left = fromRight === 1 ? appPhotosManager.windowW : -containerRect.width;
top = containerRect.top;
} else {
left = rect.left;
top = rect.top;
}
transform += `translate3d(${left}px,${top}px,0) `;
/* if(wasActive) {
left = fromRight === 1 ? appPhotosManager.windowW / 2 : -(containerRect.width + appPhotosManager.windowW / 2);
transform += `translate(${left}px,-50%) `;
} else {
left = rect.left - (appPhotosManager.windowW / 2);
top = rect.top - (appPhotosManager.windowH / 2);
transform += `translate(${left}px,${top}px) `;
} */
let aspecter: HTMLDivElement;
if(target instanceof HTMLImageElement || target instanceof HTMLVideoElement || target.tagName === 'DIV') {
if(mover.firstElementChild && mover.firstElementChild.classList.contains('media-viewer-aspecter')) {
aspecter = mover.firstElementChild as HTMLDivElement;
const player = aspecter.querySelector('.ckin__player');
if(player) {
const video = player.firstElementChild as HTMLVideoElement;
aspecter.append(video);
player.remove();
}
if(!aspecter.style.cssText) { // всё из-за видео, элементы управления скейлятся, так бы можно было этого не делать
mover.classList.remove('active');
this.setFullAspect(aspecter, containerRect, rect);
void mover.offsetLeft; // reflow
mover.classList.add('active');
}
} else {
aspecter = document.createElement('div');
aspecter.classList.add('media-viewer-aspecter'/* , 'disable-hover' */);
mover.prepend(aspecter);
}
aspecter.style.cssText = `width: ${rect.width}px; height: ${rect.height}px; transform: scale3d(${containerRect.width / rect.width}, ${containerRect.height / rect.height}, 1);`;
}
mover.style.width = containerRect.width + 'px';
mover.style.height = containerRect.height + 'px';
const scaleX = rect.width / containerRect.width;
const scaleY = rect.height / containerRect.height;
if(!wasActive) {
transform += `scale3d(${scaleX},${scaleY},1) `;
}
let borderRadius = window.getComputedStyle(realParent).getPropertyValue('border-radius');
const brSplitted = fillPropertyValue(borderRadius) as string[];
borderRadius = brSplitted.map(r => (parseInt(r) / scaleX) + 'px').join(' ');
if(!wasActive) {
mover.style.borderRadius = borderRadius;
}
//let borderRadius = '0px 0px 0px 0px';
mover.style.transform = transform;
needOpacity && (mover.style.opacity = '0'/* !closing ? '0' : '' */);
/* if(wasActive) {
this.log('setMoverToTarget', mover.style.transform);
} */
let path: SVGPathElement;
const isOut = target.classList.contains('is-out');
const deferred = this.setMoverAnimationPromise = deferredPromise<void>();
const ret = {onAnimationEnd: deferred};
this.setMoverAnimationPromise.then(() => {
this.setMoverAnimationPromise = null;
});
if(!closing) {
let mediaElement: HTMLImageElement | HTMLVideoElement;
let src: string;
if(target.tagName === 'DIV' || target.tagName === 'AVATAR-ELEMENT') { // useContainerAsTarget
if(target.firstElementChild) {
mediaElement = new Image();
src = (target.firstElementChild as HTMLImageElement).src;
mover.append(mediaElement);
}
/* mediaElement = new Image();
src = target.style.backgroundImage.slice(5, -2); */
} else if(target instanceof HTMLImageElement) {
mediaElement = new Image();
src = target.src;
} else if(target instanceof HTMLVideoElement) {
const video = mediaElement = document.createElement('video');
video.src = target?.src;
} else if(target instanceof SVGSVGElement) {
const clipId = target.dataset.clipId;
const newClipId = clipId + '-mv';
const {width, height} = containerRect;
const newSvg = document.createElementNS("http://www.w3.org/2000/svg", "svg");
newSvg.setAttributeNS(null, 'width', '' + width);
newSvg.setAttributeNS(null, 'height', '' + height);
// нижние два свойства для масштабирования
newSvg.setAttributeNS(null, 'viewBox', `0 0 ${width} ${height}`);
newSvg.setAttributeNS(null, 'preserveAspectRatio', 'xMidYMid meet');
newSvg.insertAdjacentHTML('beforeend', target.firstElementChild.outerHTML.replace(clipId, newClipId));
newSvg.insertAdjacentHTML('beforeend', target.lastElementChild.outerHTML.replace(clipId, newClipId));
// теперь надо выставить новую позицию для хвостика
const defs = newSvg.firstElementChild;
const use = defs.firstElementChild.firstElementChild as SVGUseElement;
if(use instanceof SVGUseElement) {
let transform = use.getAttributeNS(null, 'transform');
transform = transform.replace(/translate\((.+?), (.+?)\) scale\((.+?), (.+?)\)/, (match, x, y, sX, sY) => {
x = +x;
if(x !== 2) {
x = width - (2 / scaleX);
} else {
x = 2 / scaleX;
}
y = height;
return `translate(${x}, ${y}) scale(${+sX / scaleX}, ${+sY / scaleY})`;
});
use.setAttributeNS(null, 'transform', transform);
// и новый RECT
path = defs.firstElementChild.lastElementChild as SVGPathElement;
// код ниже нужен только чтобы скрыть моргание до момента как сработает таймаут
let d: string;
const br: [number, number, number, number] = borderRadius.split(' ').map(v => parseInt(v)) as any;
if(isOut) d = generatePathData(0, 0, width - 9 / scaleX, height, ...br);
else d = generatePathData(9 / scaleX, 0, width - 9 / scaleX, height, ...br);
path.setAttributeNS(null, 'd', d);
}
const foreignObject = newSvg.lastElementChild;
foreignObject.setAttributeNS(null, 'width', '' + containerRect.width);
foreignObject.setAttributeNS(null, 'height', '' + containerRect.height);
mover.prepend(newSvg);
}
if(aspecter) {
aspecter.style.borderRadius = borderRadius;
if(mediaElement) {
aspecter.append(mediaElement);
}
}
mediaElement = mover.querySelector('video, img');
if(mediaElement instanceof HTMLImageElement) {
mediaElement.classList.add('thumbnail');
if(!aspecter) {
mediaElement.style.width = containerRect.width + 'px';
mediaElement.style.height = containerRect.height + 'px';
}
if(src) {
await new Promise((resolve, reject) => {
mediaElement.addEventListener('load', resolve);
if(src) {
mediaElement.src = src;
}
});
}
}/* else if(mediaElement instanceof HTMLVideoElement && mediaElement.firstElementChild && ((mediaElement.firstElementChild as HTMLSourceElement).src || src)) {
await new Promise((resolve, reject) => {
mediaElement.addEventListener('loadeddata', resolve);
if(src) {
(mediaElement.firstElementChild as HTMLSourceElement).src = src;
}
});
} */
mover.style.display = '';
window.requestAnimationFrame(() => {
mover.classList.add(wasActive ? 'moving' : 'active');
});
} else {
/* if(mover.classList.contains('center')) {
mover.classList.remove('center');
void mover.offsetLeft; // reflow
} */
if(target instanceof SVGSVGElement) {
path = mover.querySelector('path');
if(path) {
this.sizeTailPath(path, containerRect, scaleX, delay, false, isOut, borderRadius);
}
}
if(target.classList.contains('media-viewer-media')) {
mover.classList.add('hiding');
}
setTimeout(() => {
this.wholeDiv.classList.remove('active');
}, 0);
setTimeout(() => {
mover.style.borderRadius = borderRadius;
if(mover.firstElementChild) {
(mover.firstElementChild as HTMLElement).style.borderRadius = borderRadius;
}
}, delay / 2);
setTimeout(() => {
mover.innerHTML = '';
mover.classList.remove('moving', 'active', 'hiding');
mover.style.cssText = 'display: none;';
deferred.resolve();
}, delay);
return ret;
}
mover.classList.toggle('opening', !closing);
//await new Promise((resolve) => setTimeout(resolve, 0));
//await new Promise((resolve) => window.requestAnimationFrame(resolve));
// * одного RAF'а недостаточно, иногда анимация с одним не срабатывает (преимущественно на мобильных)
await new Promise((resolve) => window.requestAnimationFrame(() => window.requestAnimationFrame(resolve)));
// чтобы проверить установленную позицию - раскомментировать
// throw '';
//await new Promise((resolve) => setTimeout(resolve, 5e3));
mover.style.transform = `translate3d(${containerRect.left}px,${containerRect.top}px,0) scale3d(1,1,1)`;
//mover.style.transform = `translate(-50%,-50%) scale(1,1)`;
needOpacity && (mover.style.opacity = ''/* closing ? '0' : '' */);
if(aspecter) {
this.setFullAspect(aspecter, containerRect, rect);
}
//throw '';
setTimeout(() => {
mover.style.borderRadius = '';
if(mover.firstElementChild) {
(mover.firstElementChild as HTMLElement).style.borderRadius = '';
}
}, 0/* delay / 2 */);
mover.dataset.timeout = '' + setTimeout(() => {
mover.classList.remove('moving');
if(aspecter) { // всё из-за видео, элементы управления скейлятся, так бы можно было этого не делать
if(mover.querySelector('video') || true) {
mover.classList.remove('active');
aspecter.style.cssText = '';
void mover.offsetLeft; // reflow
}
//aspecter.classList.remove('disable-hover');
}
// эти строки нужны для установки центральной позиции, в случае ресайза это будет нужно
mover.classList.add('center', 'no-transition');
/* mover.style.left = mover.style.top = '50%';
mover.style.transform = 'translate(-50%, -50%)';
void mover.offsetLeft; // reflow */
// это уже нужно для будущих анимаций
mover.classList.add('active');
delete mover.dataset.timeout;
deferred.resolve();
}, delay);
if(path) {
this.sizeTailPath(path, containerRect, scaleX, delay, true, isOut, borderRadius);
}
return ret;
}
protected setFullAspect(aspecter: HTMLDivElement, containerRect: DOMRect, rect: DOMRect) {
/* let media = aspecter.firstElementChild;
let proportion: number;
if(media instanceof HTMLImageElement) {
proportion = media.naturalWidth / media.naturalHeight;
} else if(media instanceof HTMLVideoElement) {
proportion = media.videoWidth / media.videoHeight;
} */
const proportion = containerRect.width / containerRect.height;
let {width, height} = rect;
/* if(proportion === 1) {
aspecter.style.cssText = '';
} else { */
if(proportion > 0) {
width = height * proportion;
} else {
height = width * proportion;
}
//this.log('will set style aspecter:', `width: ${width}px; height: ${height}px; transform: scale(${containerRect.width / width}, ${containerRect.height / height});`);
aspecter.style.cssText = `width: ${width}px; height: ${height}px; transform: scale3d(${containerRect.width / width}, ${containerRect.height / height}, 1);`;
//}
}
protected sizeTailPath(path: SVGPathElement, rect: DOMRect, scaleX: number, delay: number, upscale: boolean, isOut: boolean, borderRadius: string) {
const start = Date.now();
const {width, height} = rect;
delay = delay / 2;
const br = borderRadius.split(' ').map(v => parseInt(v));
const step = () => {
const diff = Date.now() - start;
let progress = delay ? diff / delay : 1;
if(progress > 1) progress = 1;
if(upscale) progress = 1 - progress;
const _br: [number, number, number, number] = br.map(v => v * progress) as any;
let d: string;
if(isOut) d = generatePathData(0, 0, width - (9 / scaleX * progress), height, ..._br);
else d = generatePathData(9 / scaleX * progress, 0, width/* width - (9 / scaleX * progress) */, height, ..._br);
path.setAttributeNS(null, 'd', d);
if(diff < delay) window.requestAnimationFrame(step);
};
//window.requestAnimationFrame(step);
step();
}
protected removeCenterFromMover(mover: HTMLElement) {
if(mover.classList.contains('center')) {
//const rect = mover.getBoundingClientRect();
const rect = this.content.media.getBoundingClientRect();
mover.style.transform = `translate3d(${rect.left}px,${rect.top}px,0)`;
mover.classList.remove('center');
void mover.offsetLeft; // reflow
mover.classList.remove('no-transition');
}
}
protected moveTheMover(mover: HTMLElement, toLeft = true) {
const windowW = appPhotosManager.windowW;
this.removeCenterFromMover(mover);
//mover.classList.remove('active');
mover.classList.add('moving');
if(mover.dataset.timeout) { // и это тоже всё из-за скейла видео, так бы это не нужно было
clearTimeout(+mover.dataset.timeout);
}
const rect = mover.getBoundingClientRect();
const newTransform = mover.style.transform.replace(/translate3d\((.+?),/, (match, p1) => {
const x = toLeft ? -rect.width : windowW;
//const x = toLeft ? -(rect.right + (rect.width / 2)) : windowW / 2;
return match.replace(p1, x + 'px');
});
////////this.log('set newTransform:', newTransform, mover.style.transform, toLeft);
mover.style.transform = newTransform;
setTimeout(() => {
mover.remove();
}, 350);
}
protected setNewMover() {
const newMover = document.createElement('div');
newMover.classList.add('media-viewer-mover');
if(this.content.mover) {
const oldMover = this.content.mover;
oldMover.parentElement.append(newMover);
} else {
this.wholeDiv.append(newMover);
}
return this.content.mover = newMover;
}
/* public isElementVisible(container: HTMLElement, target: HTMLElement) {
const rect = container.getBoundingClientRect();
const targetRect = target.getBoundingClientRect();
return targetRect.bottom > rect.top && targetRect.top < rect.bottom;
} */
protected updateMediaSource(target: HTMLElement, url: string, tagName: 'video' | 'img') {
//if(target instanceof SVGSVGElement) {
const el = target.tagName.toLowerCase() === tagName ? target : target.querySelector(tagName) as HTMLElement;
if(el) {
renderImageFromUrl(el, url);
}
/* } else {
} */
}
protected setAuthorInfo(fromId: number, timestamp: number) {
const date = new Date();
const time = new Date(timestamp * 1000);
const now = date.getTime() / 1000;
const timeStr = time.getHours() + ':' + ('0' + time.getMinutes()).slice(-2);
let dateStr: string;
if((now - timestamp) < ONE_DAY && date.getDate() === time.getDate()) { // if the same day
dateStr = 'Today';
} else if((now - timestamp) < (ONE_DAY * 2) && (date.getDate() - 1) === time.getDate()) { // yesterday
dateStr = 'Yesterday';
} else if(date.getFullYear() !== time.getFullYear()) { // different year
dateStr = months[time.getMonth()].slice(0, 3) + ' ' + time.getDate() + ', ' + time.getFullYear();
} else {
dateStr = months[time.getMonth()].slice(0, 3) + ' ' + time.getDate();
}
this.author.date.innerText = dateStr + ' at ' + timeStr;
replaceContent(this.author.nameEl, new PeerTitle({
peerId: fromId,
dialog: false,
onlyFirstName: false,
plainText: false
}).element);
let oldAvatar = this.author.avatarEl;
this.author.avatarEl = (this.author.avatarEl.cloneNode() as AvatarElement);
this.author.avatarEl.setAttribute('peer', '' + fromId);
oldAvatar.parentElement.replaceChild(this.author.avatarEl, oldAvatar);
}
protected async _openMedia(media: any, timestamp: number, fromId: number, fromRight: number, target?: HTMLElement, reverse = false,
prevTargets: TargetType[] = [], nextTargets: TargetType[] = [], needLoadMore = true) {
if(this.setMoverPromise) return this.setMoverPromise;
/* if(DEBUG) {
this.log('openMedia:', media, fromId, prevTargets, nextTargets);
} */
this.setAuthorInfo(fromId, timestamp);
const isVideo = (media as MyDocument).type === 'video' || (media as MyDocument).type === 'gif';
if(this.isFirstOpen) {
//this.targetContainer = targetContainer;
this.prevTargets = prevTargets;
this.nextTargets = nextTargets;
this.reverse = reverse;
this.needLoadMore = needLoadMore;
this.isFirstOpen = false;
//this.loadMore = loadMore;
/* if(appSidebarRight.historyTabIDs.slice(-1)[0] === AppSidebarRight.SLIDERITEMSIDS.forward) {
appSidebarRight.forwardTab.closeBtn.click();
await new Promise((resolve) => setTimeout(resolve, 200));
} */
}
/* if(this.nextTargets.length < 10 && this.loadMore) {
this.loadMore();
} */
//if(prevTarget && (!prevTarget.parentElement || !this.isElementVisible(this.targetContainer, prevTarget))) prevTarget = null;
//if(nextTarget && (!nextTarget.parentElement || !this.isElementVisible(this.targetContainer, nextTarget))) nextTarget = null;
this.buttons.prev.classList.toggle('hide', !this.prevTargets.length);
this.buttons.next.classList.toggle('hide', !this.nextTargets.length);
const container = this.content.media;
const useContainerAsTarget = !target || target === container;
if(useContainerAsTarget) target = container;
this.lastTarget = target;
const tempId = ++this.tempId;
if(this.needLoadMore) {
if(this.nextTargets.length < 20) {
this.loadMoreMedia(!this.reverse);
}
if(this.prevTargets.length < 20) {
this.loadMoreMedia(this.reverse);
}
}
if(container.firstElementChild) {
container.innerHTML = '';
}
// ok set
const wasActive = fromRight !== 0;
if(wasActive) {
this.moveTheMover(this.content.mover, fromRight === 1);
this.setNewMover();
} else {
window.addEventListener('keydown', this.onKeyDown);
const mainColumns = this.pageEl.querySelector('#main-columns');
this.pageEl.insertBefore(this.wholeDiv, mainColumns);
void this.wholeDiv.offsetLeft; // reflow
this.wholeDiv.classList.add('active');
rootScope.overlayIsActive = true;
animationIntersector.checkAnimations(true);
if(!isMobileSafari) {
appNavigationController.pushItem({
type: 'media',
onPop: (canAnimate) => {
if(this.setMoverAnimationPromise) {
return false;
}
this.close();
}
});
}
}
////////this.log('wasActive:', wasActive);
const mover = this.content.mover;
//const maxWidth = appPhotosManager.windowW - 16;
const maxWidth = mediaSizes.isMobile ? this.pageEl.scrollWidth : this.pageEl.scrollWidth - 16;
// TODO: const maxHeight = mediaSizes.isMobile ? appPhotosManager.windowH : appPhotosManager.windowH - 100;
const maxHeight = appPhotosManager.windowH - 120;
let thumbPromise: Promise<any> = Promise.resolve();
const size = appPhotosManager.setAttachmentSize(media, container, maxWidth, maxHeight, mediaSizes.isMobile ? false : true).photoSize;
if(useContainerAsTarget) {
const cacheContext = appDownloadManager.getCacheContext(media, size.type);
let img: HTMLImageElement;
if(cacheContext.downloaded) {
img = new Image();
img.src = cacheContext.url;
} else {
const gotThumb = appPhotosManager.getStrippedThumbIfNeeded(media, cacheContext, true);
if(gotThumb) {
thumbPromise = gotThumb.loadPromise;
img = gotThumb.image;
}
}
if(img) {
img.classList.add('thumbnail');
container.append(img);
}
}
// need after setAttachmentSize
/* if(useContainerAsTarget) {
target = target.querySelector('img, video') || target;
} */
const preloader = media.supportsStreaming ? this.preloaderStreamable : this.preloader;
let setMoverPromise: Promise<void>;
if(isVideo) {
////////this.log('will wrap video', media, size);
// потому что для safari нужно создать элемент из event'а
const video = document.createElement('video');
const set = () => this.setMoverToTarget(target, false, fromRight).then(({onAnimationEnd}) => {
//return; // set and don't move
//if(wasActive) return;
//return;
const div = mover.firstElementChild && mover.firstElementChild.classList.contains('media-viewer-aspecter') ? mover.firstElementChild : mover;
//const video = mover.querySelector('video') || document.createElement('video');
const moverVideo = mover.querySelector('video');
if(moverVideo) {
moverVideo.remove();
}
//video.src = '';
video.setAttribute('playsinline', 'true');
// * fix for playing video if viewer is closed (https://contest.com/javascript-web-bonus/entry1425#issue11629)
video.addEventListener('timeupdate', () => {
if(this.tempId !== tempId) {
video.pause();
}
});
if(isSafari) {
// test stream
// video.controls = true;
video.autoplay = true;
}
if(media.type === 'gif') {
video.muted = true;
video.autoplay = true;
video.loop = true;
}
if(!video.parentElement) {
div.append(video);
}
const canPlayThrough = new Promise((resolve) => {
video.addEventListener('canplay', resolve, {once: true});
});
const createPlayer = () => {
if(media.type !== 'gif') {
video.dataset.ckin = 'default';
video.dataset.overlay = '1';
// fix for simultaneous play
appMediaPlaybackController.pause();
appMediaPlaybackController.willBePlayedMedia = null;
Promise.all([canPlayThrough, onAnimationEnd]).then(() => {
if(this.tempId !== tempId) {
return;
}
const player = new VideoPlayer(video, true, media.supportsStreaming);
this.videoPlayer = player;
/* div.append(video);
mover.append(player.wrapper); */
});
}
};
if(media.supportsStreaming) {
onAnimationEnd.then(() => {
if(video.readyState < video.HAVE_FUTURE_DATA) {
preloader.attach(mover, true);
}
/* canPlayThrough.then(() => {
preloader.detach();
}); */
});
const attachCanPlay = () => {
video.addEventListener('canplay', () => {
//this.log('video waited and progress loaded');
preloader.detach();
video.parentElement.classList.remove('is-buffering');
}, {once: true});
};
video.addEventListener('waiting', (e) => {
const loading = video.networkState === video.NETWORK_LOADING;
const isntEnoughData = video.readyState < video.HAVE_FUTURE_DATA;
//this.log('video waiting for progress', loading, isntEnoughData);
if(loading && isntEnoughData) {
attachCanPlay();
preloader.attach(mover, true);
// поставлю класс для плеера, чтобы убрать большую иконку пока прелоадер на месте
video.parentElement.classList.add('is-buffering');
}
});
attachCanPlay();
}
//if(!video.src || media.url !== video.src) {
const load = () => {
const cacheContext = appDownloadManager.getCacheContext(media);
const promise = media.supportsStreaming ? Promise.resolve() : appDocsManager.downloadDoc(media);
if(!media.supportsStreaming) {
onAnimationEnd.then(() => {
if(!cacheContext.url) {
preloader.attach(mover, true, promise);
}
});
}
(promise as Promise<any>).then(async() => {
if(this.tempId !== tempId) {
this.log.warn('media viewer changed video');
return;
}
const url = cacheContext.url;
if(target instanceof SVGSVGElement/* && (video.parentElement || !isSafari) */) { // if video exists
//if(!video.parentElement) {
div.firstElementChild.lastElementChild.append(video);
//}
this.updateMediaSource(mover, url, 'video');
} else {
renderImageFromUrl(video, url);
}
createPlayer();
});
return promise;
};
this.lazyLoadQueue.unshift({load});
//} else createPlayer();
});
setMoverPromise = thumbPromise.then(set);
} else {
const set = () => this.setMoverToTarget(target, false, fromRight).then(({onAnimationEnd}) => {
//return; // set and don't move
//if(wasActive) return;
//return;
const load = () => {
const cacheContext = appDownloadManager.getCacheContext(media, size.type);
const cancellablePromise = appPhotosManager.preloadPhoto(media.id, size);
onAnimationEnd.then(() => {
if(!cacheContext.url) {
this.preloader.attachPromise(cancellablePromise);
//this.preloader.attach(mover, true, cancellablePromise);
}
});
Promise.all([onAnimationEnd, cancellablePromise]).then(() => {
if(this.tempId !== tempId) {
this.log.warn('media viewer changed photo');
return;
}
///////this.log('indochina', blob);
const url = cacheContext.url;
if(target instanceof SVGSVGElement) {
this.updateMediaSource(target, url, 'img');
this.updateMediaSource(mover, url, 'img');
if(mediaSizes.isMobile) {
const imgs = mover.querySelectorAll('img');
if(imgs && imgs.length) {
imgs.forEach(img => {
img.classList.remove('thumbnail'); // может здесь это вообще не нужно
});
}
}
} else {
const div = mover.firstElementChild && mover.firstElementChild.classList.contains('media-viewer-aspecter') ? mover.firstElementChild : mover;
const haveImage = div.firstElementChild?.tagName === 'IMG' ? div.firstElementChild as HTMLImageElement : null;
if(!haveImage || haveImage.src !== url) {
let image = new Image();
image.classList.add('thumbnail');
//this.log('will renderImageFromUrl:', image, div, target);
renderImageFromUrl(image, url, () => {
this.updateMediaSource(target, url, 'img');
if(haveImage) {
window.requestAnimationFrame(() => {
haveImage.remove();
});
}
div.append(image);
});
}
}
//this.preloader.detach();
}).catch(err => {
this.log.error(err);
this.preloader.attach(mover);
this.preloader.setManual();
});
return cancellablePromise;
};
this.lazyLoadQueue.unshift({load});
});
setMoverPromise = thumbPromise.then(set);
}
return this.setMoverPromise = setMoverPromise.catch(() => {
this.setMoverAnimationPromise = null;
}).finally(() => {
this.setMoverPromise = null;
});
}
}
type AppMediaViewerTargetType = {
element: HTMLElement,
mid: number,
peerId: number
};
export default class AppMediaViewer extends AppMediaViewerBase<'caption', 'delete' | 'forward', AppMediaViewerTargetType> {
public currentMessageId = 0;
public currentPeerId = 0;
public searchContext: SearchSuperContext;
constructor() {
super([/* 'delete', */'forward']);
/* const stub = document.createElement('div');
stub.classList.add(MEDIA_VIEWER_CLASSNAME + '-stub');
this.content.main.prepend(stub); */
this.content.caption = document.createElement('div');
this.content.caption.classList.add(MEDIA_VIEWER_CLASSNAME + '-caption'/* , 'media-viewer-stub' */);
new Scrollable(this.content.caption);
//this.content.main.append(this.content.caption);
this.wholeDiv.append(this.content.caption);
this.setBtnMenuToggle([{
icon: 'forward',
text: 'Forward',
onClick: this.onForwardClick
}, {
icon: 'download',
text: 'MediaViewer.Context.Download',
onClick: this.onDownloadClick
}/* , {
icon: 'delete danger btn-disabled',
text: 'Delete',
onClick: () => {}
} */]);
// * constructing html end
this.setListeners();
}
protected setListeners() {
super.setListeners();
this.buttons.forward.addEventListener('click', this.onForwardClick);
this.author.container.addEventListener('click', this.onAuthorClick);
}
/* public close(e?: MouseEvent) {
const good = !this.setMoverAnimationPromise;
const promise = super.close(e);
if(good) { // clear
this.currentMessageId = 0;
this.peerId = 0;
}
return promise;
} */
onPrevClick = (target: AppMediaViewerTargetType) => {
this.nextTargets.unshift({element: this.lastTarget, mid: this.currentMessageId, peerId: this.currentPeerId});
this.openMedia(appMessagesManager.getMessageByPeer(target.peerId, target.mid), target.element, -1);
};
onNextClick = (target: AppMediaViewerTargetType) => {
this.prevTargets.push({element: this.lastTarget, mid: this.currentMessageId, peerId: this.currentPeerId});
this.openMedia(appMessagesManager.getMessageByPeer(target.peerId, target.mid), target.element, 1);
};
onForwardClick = () => {
if(this.currentMessageId) {
//appSidebarRight.forwardTab.open([this.currentMessageId]);
new PopupForward(this.currentPeerId, [this.currentMessageId], () => {
return this.close();
});
}
};
onAuthorClick = (e: MouseEvent) => {
if(this.currentMessageId && this.currentMessageId !== Number.MAX_SAFE_INTEGER) {
const mid = this.currentMessageId;
const peerId = this.currentPeerId;
const threadId = this.searchContext.threadId;
this.close(e)
//.then(() => mediaSizes.isMobile ? appSidebarRight.sharedMediaTab.closeBtn.click() : Promise.resolve())
.then(() => {
if(mediaSizes.isMobile) {
const tab = appSidebarRight.getTab(AppSharedMediaTab);
if(tab) {
tab.close();
}
}
const message = appMessagesManager.getMessageByPeer(peerId, mid);
appImManager.setInnerPeer(message.peerId, mid, threadId ? 'discussion' : undefined, threadId);
});
}
};
onDownloadClick = () => {
const message = appMessagesManager.getMessageByPeer(this.currentPeerId, this.currentMessageId);
if(message.media.photo) {
appPhotosManager.savePhotoFile(message.media.photo, appImManager.chat.bubbles.lazyLoadQueue.queueId);
} else {
let document: MyDocument = null;
if(message.media.webpage) document = message.media.webpage.document;
else document = message.media.document;
if(document) {
//console.log('will save document:', document);
appDocsManager.saveDocFile(document, appImManager.chat.bubbles.lazyLoadQueue.queueId);
}
}
};
// нет смысла делать проверку для reverse и loadMediaPromise
protected loadMoreMedia = (older = true) => {
//if(!older && this.reverse) return;
if(older && this.loadedAllMediaDown) return Promise.resolve();
else if(!older && this.loadedAllMediaUp) return Promise.resolve();
if(older && this.loadMediaPromiseDown) return this.loadMediaPromiseDown;
else if(!older && this.loadMediaPromiseUp) return this.loadMediaPromiseUp;
const loadCount = 50;
const backLimit = older ? 0 : loadCount;
let maxId = this.currentMessageId;
let anchor: AppMediaViewerTargetType;
if(older) {
anchor = this.reverse ? this.prevTargets[0] : this.nextTargets[this.nextTargets.length - 1];
} else {
anchor = this.reverse ? this.nextTargets[this.nextTargets.length - 1] : this.prevTargets[0];
}
if(anchor) maxId = anchor.mid;
if(!older) maxId = appMessagesManager.incrementMessageId(maxId, 1);
const promise = appMessagesManager.getSearch({
peerId: this.searchContext.peerId,
query: this.searchContext.query,
inputFilter: {
_: this.searchContext.inputFilter
},
maxId,
limit: backLimit ? 0 : loadCount,
backLimit,
threadId: this.searchContext.threadId,
folderId: this.searchContext.folderId,
nextRate: this.searchContext.nextRate,
minDate: this.searchContext.minDate,
maxDate: this.searchContext.maxDate
}).then(value => {
if(DEBUG) {
this.log('loaded more media by maxId:', maxId, value, older, this.reverse);
}
if(value.next_rate) {
this.searchContext.nextRate = value.next_rate;
}
if(value.history.length < loadCount) {
/* if(this.reverse) {
if(older) this.loadedAllMediaUp = true;
else this.loadedAllMediaDown = true;
} else { */
if(older) this.loadedAllMediaDown = true;
else this.loadedAllMediaUp = true;
//}
}
const method: any = older ? value.history.forEach.bind(value.history) : forEachReverse.bind(null, value.history);
method((message: Message.message) => {
const {mid, peerId} = message;
const media = this.getMediaFromMessage(message);
if(!media) return;
//if(media._ === 'document' && media.type !== 'video') return;
const t = {element: null as HTMLElement, mid, peerId};
if(older) {
if(this.reverse) this.prevTargets.unshift(t);
else this.nextTargets.push(t);
} else {
if(this.reverse) this.nextTargets.push(t);
else this.prevTargets.unshift(t);
}
});
this.buttons.prev.classList.toggle('hide', !this.prevTargets.length);
this.buttons.next.classList.toggle('hide', !this.nextTargets.length);
}, () => {}).then(() => {
if(older) this.loadMediaPromiseDown = null;
else this.loadMediaPromiseUp = null;
});
if(older) this.loadMediaPromiseDown = promise;
else this.loadMediaPromiseUp = promise;
return promise;
};
private getMediaFromMessage(message: any) {
return message.action ? message.action.photo : message.media.photo
|| message.media.document
|| (message.media.webpage && (message.media.webpage.document || message.media.webpage.photo));
}
private setCaption(message: any) {
const caption = message.message;
this.content.caption.classList.toggle('hide', !caption);
if(caption) {
this.content.caption.firstElementChild.innerHTML = RichTextProcessor.wrapRichText(caption, {
entities: message.totalEntities
});
} else {
this.content.caption.firstElementChild.innerHTML = '';
}
}
public setSearchContext(context: SearchSuperContext) {
this.searchContext = context;
if(this.searchContext.folderId !== undefined) {
this.loadedAllMediaUp = true;
if(this.searchContext.nextRate === undefined) {
this.loadedAllMediaDown = true;
}
}
return this;
}
public async openMedia(message: any, target?: HTMLElement, fromRight = 0, reverse = false,
prevTargets: AppMediaViewer['prevTargets'] = [], nextTargets: AppMediaViewer['prevTargets'] = [], needLoadMore = true) {
if(this.setMoverPromise) return this.setMoverPromise;
const mid = message.mid;
const fromId = message.fromId;
const media = this.getMediaFromMessage(message);
this.currentMessageId = mid;
this.currentPeerId = message.peerId;
const promise = super._openMedia(media, message.date, fromId, fromRight, target, reverse, prevTargets, nextTargets, needLoadMore);
this.setCaption(message);
return promise;
}
}
type AppMediaViewerAvatarTargetType = {element: HTMLElement, photoId: string};
export class AppMediaViewerAvatar extends AppMediaViewerBase<'', 'delete', AppMediaViewerAvatarTargetType> {
public currentPhotoId: string;
public peerId: number;
constructor(peerId: number) {
super([/* 'delete' */]);
this.peerId = peerId;
this.setBtnMenuToggle([{
icon: 'download',
text: 'MediaViewer.Context.Download',
onClick: this.onDownloadClick
}/* , {
icon: 'delete danger btn-disabled',
text: 'Delete',
onClick: () => {}
} */]);
// * constructing html end
this.setListeners();
}
onPrevClick = (target: AppMediaViewerAvatarTargetType) => {
this.nextTargets.unshift({element: this.lastTarget, photoId: this.currentPhotoId});
this.openMedia(target.photoId, target.element, -1);
};
onNextClick = (target: AppMediaViewerAvatarTargetType) => {
this.prevTargets.push({element: this.lastTarget, photoId: this.currentPhotoId});
this.openMedia(target.photoId, target.element, 1);
};
onDownloadClick = () => {
appPhotosManager.savePhotoFile(appPhotosManager.getPhoto(this.currentPhotoId), appImManager.chat.bubbles.lazyLoadQueue.queueId);
};
protected loadMoreMedia = (older = true) => {
if(this.peerId < 0) return Promise.resolve(); // ! это значит, что открыло аватар чата, но следующих фотографий нет.
if(this.loadedAllMediaDown) return Promise.resolve();
if(this.loadMediaPromiseDown) return this.loadMediaPromiseDown;
const peerId = this.peerId;
const loadCount = 50;
const maxId = this.nextTargets.length ? this.nextTargets[this.nextTargets.length - 1].photoId : this.currentPhotoId;
const promise = appPhotosManager.getUserPhotos(peerId, maxId, loadCount).then(value => {
if(this.peerId !== peerId) {
this.log.warn('peer changed');
return;
}
// if(DEBUG) {
// this.log('loaded more media by maxId:', /* maxId, */value, older, this.reverse);
// }
if(value.photos.length < loadCount) {
this.loadedAllMediaDown = true;
}
value.photos.forEach(photoId => {
if(this.currentPhotoId === photoId) return;
this.nextTargets.push({element: null as HTMLElement, photoId: photoId});
});
this.buttons.prev.classList.toggle('hide', !this.prevTargets.length);
this.buttons.next.classList.toggle('hide', !this.nextTargets.length);
}, () => {}).then(() => {
this.loadMediaPromiseDown = null;
});
return this.loadMediaPromiseDown = promise;
};
public async openMedia(photoId: string, target?: HTMLElement, fromRight = 0, prevTargets?: AppMediaViewerAvatarTargetType[], nextTargets?: AppMediaViewerAvatarTargetType[]) {
if(this.setMoverPromise) return this.setMoverPromise;
const photo = appPhotosManager.getPhoto(photoId);
this.currentPhotoId = photo.id;
return super._openMedia(photo, photo.date, this.peerId, fromRight, target, false, prevTargets, nextTargets);
}
}