fix mediaviewer

mediaviewer forward
chat contextmenu with rights
support manually attached stickers (not upload)
right sidebar fix blink & preloader
minor fixes

Signed-off-by: morethanwords <thanwords24@gmail.com>

package-lock.json

@@ -4558,8 +4558,7 @@
         },
         "ansi-regex": {
           "version": "2.1.1",
-          "bundled": true,
-          "optional": true
+          "bundled": true
         },
         "aproba": {
           "version": "1.2.0",
@@ -4577,13 +4576,11 @@
         },
         "balanced-match": {
           "version": "1.0.0",
-          "bundled": true,
-          "optional": true
+          "bundled": true
         },
         "brace-expansion": {
           "version": "1.1.11",
           "bundled": true,
-          "optional": true,
           "requires": {
             "balanced-match": "^1.0.0",
             "concat-map": "0.0.1"
@@ -4596,18 +4593,15 @@
         },
         "code-point-at": {
           "version": "1.1.0",
-          "bundled": true,
-          "optional": true
+          "bundled": true
         },
         "concat-map": {
           "version": "0.0.1",
-          "bundled": true,
-          "optional": true
+          "bundled": true
         },
         "console-control-strings": {
           "version": "1.1.0",
-          "bundled": true,
-          "optional": true
+          "bundled": true
         },
         "core-util-is": {
           "version": "1.0.2",
@@ -4710,8 +4704,7 @@
         },
         "inherits": {
           "version": "2.0.4",
-          "bundled": true,
-          "optional": true
+          "bundled": true
         },
         "ini": {
           "version": "1.3.5",
@@ -4721,7 +4714,6 @@
         "is-fullwidth-code-point": {
           "version": "1.0.0",
           "bundled": true,
-          "optional": true,
           "requires": {
             "number-is-nan": "^1.0.0"
           }
@@ -4734,20 +4726,17 @@
         "minimatch": {
           "version": "3.0.4",
           "bundled": true,
-          "optional": true,
           "requires": {
             "brace-expansion": "^1.1.7"
           }
         },
         "minimist": {
           "version": "1.2.5",
-          "bundled": true,
-          "optional": true
+          "bundled": true
         },
         "minipass": {
           "version": "2.9.0",
           "bundled": true,
-          "optional": true,
           "requires": {
             "safe-buffer": "^5.1.2",
             "yallist": "^3.0.0"
@@ -4764,7 +4753,6 @@
         "mkdirp": {
           "version": "0.5.3",
           "bundled": true,
-          "optional": true,
           "requires": {
             "minimist": "^1.2.5"
           }
@@ -4820,8 +4808,7 @@
         },
         "npm-normalize-package-bin": {
           "version": "1.0.1",
-          "bundled": true,
-          "optional": true
+          "bundled": true
         },
         "npm-packlist": {
           "version": "1.4.8",
@@ -4846,8 +4833,7 @@
         },
         "number-is-nan": {
           "version": "1.0.1",
-          "bundled": true,
-          "optional": true
+          "bundled": true
         },
         "object-assign": {
           "version": "4.1.1",
@@ -4857,7 +4843,6 @@
         "once": {
           "version": "1.4.0",
           "bundled": true,
-          "optional": true,
           "requires": {
             "wrappy": "1"
           }
@@ -4926,8 +4911,7 @@
         },
         "safe-buffer": {
           "version": "5.1.2",
-          "bundled": true,
-          "optional": true
+          "bundled": true
         },
         "safer-buffer": {
           "version": "2.1.2",
@@ -4957,7 +4941,6 @@
         "string-width": {
           "version": "1.0.2",
           "bundled": true,
-          "optional": true,
           "requires": {
             "code-point-at": "^1.0.0",
             "is-fullwidth-code-point": "^1.0.0",
@@ -4975,7 +4958,6 @@
         "strip-ansi": {
           "version": "3.0.1",
           "bundled": true,
-          "optional": true,
           "requires": {
             "ansi-regex": "^2.0.0"
           }
@@ -5014,13 +4996,11 @@
         },
         "wrappy": {
           "version": "1.0.2",
-          "bundled": true,
-          "optional": true
+          "bundled": true
         },
         "yallist": {
           "version": "3.1.1",
-          "bundled": true,
-          "optional": true
+          "bundled": true
         }
       }
     },

src/components/lazyLoadQueue.ts

@@ -17,7 +17,9 @@ export default class LazyLoadQueue {
 
   private observer: IntersectionObserver;
 
-  constructor(private parallelLimit = 5) {
+  constructor(private parallelLimit = 5, withObserver = true) {
+    if(!withObserver) return;
+
     this.observer = new IntersectionObserver(entries => {
       if(this.lockPromise) return;
 
@@ -41,7 +43,10 @@ export default class LazyLoadQueue {
     this.tempID--;
     this.lazyLoadMedia.length = 0;
     this.loadingMedia = 0;
-    this.observer.disconnect();
+
+    if(this.observer) {
+      this.observer.disconnect();
+    }
   }
 
   public length() {
@@ -104,14 +109,25 @@ export default class LazyLoadQueue {
     }
   }
 
-  public push(el: LazyLoadElement) {
-    this.lazyLoadMedia.push(el);
-
+  public addElement(el: LazyLoadElement) {
     if(el.wasSeen) {
       this.processQueue(el);
     } else {
       el.wasSeen = false;
-      this.observer.observe(el.div);
+
+      if(this.observer) {
+        this.observer.observe(el.div);
+      }
     }
   }
+  
+  public push(el: LazyLoadElement) {
+    this.lazyLoadMedia.push(el);
+    this.addElement(el);
+  }
+
+  public unshift(el: LazyLoadElement) {
+    this.lazyLoadMedia.unshift(el);
+    this.addElement(el);
+  }
 }

src/components/misc.ts

@@ -341,6 +341,13 @@ export function formatPhoneNumber(str: string) {
   return {formatted: str, country};
 }
 
+export function parseMenuButtonsTo(to: {[name: string]: HTMLButtonElement}, elements: HTMLCollection) {
+  Array.from(elements).forEach(el => {
+    let name = el.className.match(/ menu-(.+?) /)[1];
+    to[name] = el as HTMLButtonElement;
+  });
+}
+
 let onMouseMove = (e: MouseEvent) => {
   let rect = openedMenu.getBoundingClientRect();
   let {clientX, clientY} = e;

src/components/popup.ts

@@ -0,0 +1,92 @@
+import AvatarElement from "./avatar";
+import { ripple } from "./misc";
+
+export class PopupElement {
+  protected element = document.createElement('div');
+  protected container = document.createElement('div');
+  protected header = document.createElement('div');
+  protected title = document.createElement('div');
+
+  constructor(className: string) {
+    this.element.classList.add('popup');
+    this.element.className = 'popup' + (className ? ' ' + className : '');
+    this.container.classList.add('popup-container', 'z-depth-1');
+
+    this.header.classList.add('popup-header');
+    this.title.classList.add('popup-title');
+
+    this.header.append(this.title);
+    this.container.append(this.header);
+    this.element.append(this.container);
+  }
+
+  public show() {
+    document.body.append(this.element);
+    void this.element.offsetWidth; // reflow
+    this.element.classList.add('active');
+  }
+
+  public destroy() {
+    this.element.classList.remove('active');
+    setTimeout(() => {
+      this.element.remove();
+    }, 1000);
+  }
+}
+
+export type PopupPeerButton = {
+  text: string,
+  callback?: () => void,
+  isDanger?: true,
+  isCancel?: true
+};
+
+export class PopupPeer extends PopupElement {
+  constructor(private className: string, options: Partial<{
+    peerID: number,
+    title: string,
+    description: string,
+    buttons: Array<PopupPeerButton>
+  }> = {}) {
+    super('popup-peer' + (className ? ' ' + className : ''));
+
+    let avatarEl = new AvatarElement();
+    avatarEl.setAttribute('dialog', '1');
+    avatarEl.setAttribute('peer', '' + options.peerID);
+    avatarEl.classList.add('peer-avatar');
+
+    this.title.innerText = options.title || '';
+    this.header.prepend(avatarEl);
+
+    let p = document.createElement('p');
+    p.classList.add('popup-description');
+    p.innerHTML = options.description;
+
+    let buttonsDiv = document.createElement('div');
+    buttonsDiv.classList.add('popup-buttons');
+
+    let buttons = options.buttons.map(b => {
+      let button = document.createElement('button');
+      ripple(button);
+      button.className = 'btn' + (b.isDanger ? ' danger' : '');
+      button.innerHTML =  b.text;
+
+      if(b.callback) {
+        button.addEventListener('click', () => {
+          b.callback();
+          this.destroy();
+        });
+      } else if(b.isCancel) {
+        button.addEventListener('click', () => {
+          this.destroy();
+        });
+      }
+
+      return button;
+    });
+
+    buttonsDiv.append(...buttons);
+
+    this.container.append(p, buttonsDiv);
+  }
+}

src/components/scrollable_new.ts

@@ -364,7 +364,10 @@ export default class Scrollable {
   public scrollIntoView(element: HTMLElement, smooth = true) {
     if(element.parentElement && !this.scrollLocked) {
       let isFirstUnread = element.classList.contains('is-first-unread');
+
       let offsetTop = element.getBoundingClientRect().top - this.container.getBoundingClientRect().top;
+      offsetTop = this.container.scrollTop + offsetTop;
+      
       if(!smooth && isFirstUnread) {
         this.scrollTo(offsetTop, false);
         return;
@@ -374,7 +377,7 @@ export default class Scrollable {
       let height = element.scrollHeight;
       
       let d = (clientHeight - height) / 2;
-      offsetTop = this.container.scrollTop + offsetTop - d;
+      offsetTop -= d;
       
       this.scrollTo(offsetTop, smooth);
     }

src/components/wrappers.ts

@@ -796,8 +796,6 @@ export function wrapSticker({doc, div, middleware, lazyLoadQueue, group, play, o
 
         //console.timeEnd('decompress sticker' + doc.id);
 
-        console.log('sticker json:', json);
-
         let animation = await LottieLoader.loadAnimation({
           container: div,
           loop: false,

src/lib/appManagers/apiUpdatesManager.ts

@@ -176,8 +176,8 @@ export class ApiUpdatesManager {
   
   public getDifference() {
     // console.trace(dT(), 'Get full diff')
-    let updatesState = this.updatesState;
-    if (!updatesState.syncLoading) {
+    const updatesState = this.updatesState;
+    if(!updatesState.syncLoading) {
       updatesState.syncLoading = true;
       updatesState.pendingSeqUpdates = {};
       updatesState.pendingPtsUpdates = [];
@@ -188,7 +188,7 @@ export class ApiUpdatesManager {
       updatesState.syncPending = false;
     }
   
-    apiManager.invokeApi('updates.getDifference', {
+    return apiManager.invokeApi('updates.getDifference', {
       pts: updatesState.pts, 
       date: updatesState.date, 
       qts: -1
@@ -232,7 +232,7 @@ export class ApiUpdatesManager {
         });
       });
   
-      var nextState = differenceResult.intermediate_state || differenceResult.state;
+      const nextState = differenceResult.intermediate_state || differenceResult.state;
       updatesState.seq = nextState.seq;
       updatesState.pts = nextState.pts;
       updatesState.date = nextState.date;
@@ -515,7 +515,6 @@ export class ApiUpdatesManager {
       });
     } else {
       Object.assign(this.updatesState, state);
-      this.updatesState.syncLoading = false;
       this.getDifference();
     }
   }

src/lib/appManagers/appChatsManager.ts

@@ -128,12 +128,10 @@ export class AppChatsManager {
     return this.chats[id] || {id: id, deleted: true, access_hash: this.channelAccess[id]};
   }
 
-  public hasRights(id: number, action: 'send' | 'edit_title' | 'edit_photo' | 'invite') {
-    if(!(id in this.chats)) {
-      return false;
-    }
+  public hasRights(id: number, action: 'send' | 'edit_title' | 'edit_photo' | 'invite' | 'pin' | 'deleteRevoke') {
+    const chat = this.getChat(id);
+    if(!chat) return false;
 
-    let chat = this.getChat(id);
     if(chat._ == 'chatForbidden' ||
         chat._ == 'channelForbidden' ||
         chat.pFlags.kicked ||
@@ -145,24 +143,50 @@ export class AppChatsManager {
       return true;
     }
 
+    let myFlags = (chat.admin_rights || chat.banned_rights || chat.default_banned_rights)?.pFlags ?? {};
+
     switch(action) {
+      // good
       case 'send': {
         if(chat._ == 'channel' &&
-        !chat.pFlags.megagroup &&
-        !chat.pFlags.editor) {
+          !chat.pFlags.megagroup &&
+          !myFlags.post_messages) {
           return false;
         }
+
         break;
       }
 
+      // good
+      case 'deleteRevoke': {
+        if(chat._ == 'channel') {
+          return !!myFlags.delete_messages;
+        } else if(!chat.pFlags.admin) {
+          return false;
+        }
+
+        break;
+      }
+
+      // good
+      case 'pin': {
+        if(chat._ == 'channel') {
+          return chat.admin_rights ? !!myFlags.pin_messages || !!myFlags.post_messages : !myFlags.pin_messages;
+        } else {
+          if(myFlags.pin_messages && !chat.pFlags.admin) {
+            return false;
+          }
+        }
+
+        break;
+      }
 
       case 'edit_title':
       case 'edit_photo':
       case 'invite': {
         if(chat._ == 'channel') {
           if(chat.pFlags.megagroup) {
-            if(!chat.pFlags.editor &&
-                !(action == 'invite' && chat.pFlags.democracy)) {
+            if(!(action == 'invite' && chat.pFlags.democracy)) {
               return false;
             }
           } else {
@@ -174,6 +198,7 @@ export class AppChatsManager {
             return false;
           }
         }
+
         break;
       }
     }
@@ -306,7 +331,7 @@ export class AppChatsManager {
     let chat = this.getChat(id);
     let myID = appUsersManager.getSelf().id;
     if(this.isChannel(id)) {
-      let isAdmin = chat.pFlags.creator || chat.pFlags.editor || chat.pFlags.moderator;
+      let isAdmin = chat.pFlags.creator;
       participants.forEach((participant) => {
         participant.canLeave = myID == participant.user_id;
         participant.canKick = isAdmin && participant._ == 'channelParticipant';

src/lib/appManagers/appDialogsManager.ts

@@ -4,12 +4,13 @@ import appPeersManager from './appPeersManager';
 import appMessagesManager, { AppMessagesManager, Dialog } from "./appMessagesManager";
 import appUsersManager, { User } from "./appUsersManager";
 import { RichTextProcessor } from "../richtextprocessor";
-import { ripple, putPreloader, positionMenu, openBtnMenu } from "../../components/misc";
+import { ripple, putPreloader, positionMenu, openBtnMenu, parseMenuButtonsTo } from "../../components/misc";
 //import Scrollable from "../../components/scrollable";
 import Scrollable from "../../components/scrollable_new";
 import { logger } from "../polyfill";
 import appChatsManager from "./appChatsManager";
 import AvatarElement from "../../components/avatar";
+import { PopupPeerButton, PopupPeer } from "../../components/popup";
 
 type DialogDom = {
   avatarEl: AvatarElement,
@@ -25,95 +26,7 @@ type DialogDom = {
 
 let testScroll = false;
 
-class PopupElement {
-  protected element = document.createElement('div');
-  protected container = document.createElement('div');
-  protected header = document.createElement('div');
-  protected title = document.createElement('div');
 
-  constructor(className: string) {
-    this.element.classList.add('popup');
-    this.element.className = 'popup' + (className ? ' ' + className : '');
-    this.container.classList.add('popup-container', 'z-depth-1');
-
-    this.header.classList.add('popup-header');
-    this.title.classList.add('popup-title');
-
-    this.header.append(this.title);
-    this.container.append(this.header);
-    this.element.append(this.container);
-  }
-
-  public show() {
-    document.body.append(this.element);
-    void this.element.offsetWidth; // reflow
-    this.element.classList.add('active');
-  }
-
-  public destroy() {
-    this.element.classList.remove('active');
-    setTimeout(() => {
-      this.element.remove();
-    }, 1000);
-  }
-}
-
-type PopupPeerButton = {
-  text: string,
-  callback?: () => void,
-  isDanger?: true,
-  isCancel?: true
-};
-
-class PopupPeer extends PopupElement {
-  constructor(private className: string, options: Partial<{
-    peerID: number,
-    title: string,
-    description: string,
-    buttons: Array<PopupPeerButton>
-  }> = {}) {
-    super('popup-peer' + (className ? ' ' + className : ''));
-
-    let avatarEl = new AvatarElement();
-    avatarEl.setAttribute('dialog', '1');
-    avatarEl.setAttribute('peer', '' + options.peerID);
-    avatarEl.classList.add('peer-avatar');
-
-    this.title.innerText = options.title || '';
-    this.header.prepend(avatarEl);
-
-    let p = document.createElement('p');
-    p.classList.add('popup-description');
-    p.innerHTML = options.description;
-
-    let buttonsDiv = document.createElement('div');
-    buttonsDiv.classList.add('popup-buttons');
-
-    let buttons = options.buttons.map(b => {
-      let button = document.createElement('button');
-      ripple(button);
-      button.className = 'btn' + (b.isDanger ? ' danger' : '');
-      button.innerHTML =  b.text;
-
-      if(b.callback) {
-        button.addEventListener('click', () => {
-          b.callback();
-          this.destroy();
-        });
-      } else if(b.isCancel) {
-        button.addEventListener('click', () => {
-          this.destroy();
-        });
-      }
-
-      return button;
-    });
-
-    buttonsDiv.append(...buttons);
-
-    this.container.append(p, buttonsDiv);
-  }
-}
 
 class DialogsContextMenu {
   private element = document.getElementById('dialogs-contextmenu') as HTMLDivElement;
@@ -129,11 +42,7 @@ class DialogsContextMenu {
   private peerType: 'channel' | 'chat' | 'megagroup' | 'group' | 'saved';
 
   constructor(private attachTo: HTMLElement[]) {
-    (Array.from(this.element.querySelectorAll('.btn-menu-item')) as HTMLElement[]).forEach(el => {
-      let name = el.className.match(/ menu-(.+?) /)[1];
-      // @ts-ignore
-      this.buttons[name] = el;
-    });
+    parseMenuButtonsTo(this.buttons, this.element.children);
 
     const onContextMenu = (e: MouseEvent) => {
       let li: HTMLDivElement = null;
@@ -145,13 +54,9 @@ class DialogsContextMenu {
       if(!li) return;
 
       e.preventDefault();
-
       if(this.element.classList.contains('active')) {
-        /* this.element.classList.remove('active');
-        this.element.parentElement.classList.remove('menu-open'); */
         return false;
       }
-      
       e.cancelBubble = true;
 
       this.selectedID = +li.getAttribute('data-peerID');

src/lib/appManagers/appDocsManager.ts

@@ -85,10 +85,6 @@ class AppDocsManager {
           if(/* apiDoc.thumbs &&  */apiDoc.mime_type == 'image/webp') {
             apiDoc.type = 'sticker';
             apiDoc.sticker = 1;
-          } else if(apiDoc.mime_type == 'application/x-tgsticker') {
-            apiDoc.type = 'sticker';
-            apiDoc.animated = true;
-            apiDoc.sticker = 2;
           }
           break;
 
@@ -135,6 +131,12 @@ class AppDocsManager {
       apiDoc.file_name = '';
     }
 
+    if(apiDoc.mime_type == 'application/x-tgsticker' && apiDoc.file_name == "AnimatedSticker.tgs") {
+      apiDoc.type = 'sticker';
+      apiDoc.animated = true;
+      apiDoc.sticker = 2;
+    }
+    
     if(apiDoc._ == 'documentEmpty') {
       apiDoc.size = 0;
     }

src/lib/appManagers/appImManager.ts

@@ -15,11 +15,10 @@ import lottieLoader from "../lottieLoader";
 import appMediaViewer from "./appMediaViewer";
 import appSidebarLeft from "./appSidebarLeft";
 import appChatsManager from "./appChatsManager";
-import appMessagesIDsManager from "./appMessagesIDsManager";
 import apiUpdatesManager from './apiUpdatesManager';
 import { wrapDocument, wrapPhoto, wrapVideo, wrapSticker, wrapReply, wrapAlbum, wrapPoll } from '../../components/wrappers';
 import ProgressivePreloader from '../../components/preloader';
-import { openBtnMenu, formatPhoneNumber, positionMenu, ripple } from '../../components/misc';
+import { openBtnMenu, formatPhoneNumber, positionMenu, ripple, parseMenuButtonsTo } from '../../components/misc';
 import { ChatInput } from '../../components/chatInput';
 //import Scrollable from '../../components/scrollable';
 import Scrollable from '../../components/scrollable_new';
@@ -31,6 +30,7 @@ import appStickersManager from './appStickersManager';
 import AvatarElement from '../../components/avatar';
 import appInlineBotsManager from './AppInlineBotsManager';
 import StickyIntersector from '../../components/stickyIntersector';
+import { PopupPeerButton, PopupPeer } from '../../components/popup';
 
 console.log('appImManager included!');
 
@@ -40,6 +40,172 @@ let testScroll = false;
 
 const IGNOREACTIONS = ['messageActionChannelMigrateFrom'];
 
+class ChatContextMenu {
+  private element = document.getElementById('bubble-contextmenu') as HTMLDivElement;
+  private buttons: {
+    reply: HTMLButtonElement,
+    edit: HTMLButtonElement,
+    copy: HTMLButtonElement,
+    pin: HTMLButtonElement,
+    forward: HTMLButtonElement,
+    delete: HTMLButtonElement
+  } = {} as any;
+  public msgID: number;
+
+  constructor(private attachTo: HTMLElement) {
+    parseMenuButtonsTo(this.buttons, this.element.children);
+
+    attachTo.addEventListener('contextmenu', e => {
+      let bubble: HTMLDivElement = null;
+
+      try {
+        bubble = findUpClassName(e.target, 'bubble__container');
+      } catch(e) {}
+
+      if(!bubble) return;
+
+      e.preventDefault();
+      if(this.element.classList.contains('active')) {
+        return false;
+      }
+      e.cancelBubble = true;
+      
+      bubble = bubble.parentElement as HTMLDivElement; // bc container
+      
+      let msgID = +bubble.dataset.mid;
+      if(!msgID) return;
+
+      let peerID = $rootScope.selectedPeerID;
+      this.msgID = msgID;
+
+      const message = appMessagesManager.getMessage(msgID);
+
+      this.buttons.copy.style.display = message.message ? '' : 'none';
+      
+      if($rootScope.myID == peerID || (peerID < 0 && appChatsManager.hasRights(-peerID, 'pin'))) {
+        this.buttons.pin.style.display = '';
+      } else {
+        this.buttons.pin.style.display = 'none';
+      }
+      
+      this.buttons.edit.style.display = appMessagesManager.canEditMessage(msgID) ? '' : 'none';
+      
+      let side: 'left' | 'right' = bubble.classList.contains('is-in') ? 'left' : 'right';
+      positionMenu(e, this.element, side);
+      openBtnMenu(this.element);
+      
+      /////this.log('contextmenu', e, bubble, msgID, side);
+    });
+
+    this.buttons.copy.addEventListener('click', () => {
+      let message = appMessagesManager.getMessage(this.msgID);
+      
+      let str = message ? message.message : '';
+      
+      var textArea = document.createElement("textarea");
+      textArea.value = str;
+      textArea.style.position = "fixed";  //avoid scrolling to bottom
+      document.body.appendChild(textArea);
+      textArea.focus();
+      textArea.select();
+      
+      try {
+        document.execCommand('copy');
+      } catch (err) {
+        console.error('Oops, unable to copy', err);
+      }
+      
+      document.body.removeChild(textArea);
+    });
+
+    this.buttons.delete.addEventListener('click', () => {
+      let peerID = $rootScope.selectedPeerID;
+      let firstName = appPeersManager.getPeerTitle(peerID, false, true);
+
+      let callback = (revoke: boolean) => {
+        appMessagesManager.deleteMessages([this.msgID], revoke);
+      };
+
+      let title: string, description: string, buttons: PopupPeerButton[];
+      title = 'Delete Message?';
+      description = `Are you sure you want to delete this message?`;
+
+      if(peerID == $rootScope.myID) {
+        buttons = [{
+          text: 'DELETE',
+          isDanger: true,
+          callback: () => callback(false)
+        }];
+      } else {
+        buttons = [{
+          text: 'DELETE JUST FOR ME',
+          isDanger: true,
+          callback: () => callback(false)
+        }];
+
+        if(peerID > 0) {
+          buttons.push({
+            text: 'DELETE FOR ME AND ' + firstName,
+            isDanger: true,
+            callback: () => callback(true)
+          });
+        } else if(appChatsManager.hasRights(-peerID, 'deleteRevoke')) {
+          buttons.push({
+            text: 'DELETE FOR ALL',
+            isDanger: true,
+            callback: () => callback(true)
+          });
+        }
+      }
+
+      buttons.push({
+        text: 'CANCEL',
+        isCancel: true
+      });
+
+      let popup = new PopupPeer('popup-delete-chat', {
+        peerID: peerID,
+        title: title,
+        description: description,
+        buttons: buttons
+      });
+
+      popup.show();
+    });
+    
+    this.buttons.reply.addEventListener('click', () => {
+      const message = appMessagesManager.getMessage(this.msgID);
+      const chatInputC = appImManager.chatInputC;
+      chatInputC.setTopInfo(appPeersManager.getPeerTitle(message.fromID, true), message.message, undefined, message);
+      chatInputC.replyToMsgID = this.msgID;
+      chatInputC.editMsgID = 0;
+    });
+
+    this.buttons.forward.addEventListener('click', () => {
+      appForward.init([this.msgID]);
+    });
+    
+    this.buttons.edit.addEventListener('click', () => {
+      const message = appMessagesManager.getMessage(this.msgID);
+      const chatInputC = appImManager.chatInputC;
+      chatInputC.setTopInfo('Editing', message.message, message.message, message);
+      chatInputC.replyToMsgID = 0;
+      chatInputC.editMsgID = this.msgID;
+    });
+    
+    this.buttons.pin.addEventListener('click', () => {
+      apiManager.invokeApi('messages.updatePinnedMessage', {
+        flags: 0,
+        peer: appPeersManager.getInputPeerByID($rootScope.selectedPeerID),
+        id: this.msgID
+      }).then(updates => {
+        /////this.log('pinned updates:', updates);
+        apiUpdatesManager.processUpdateMessage(updates);
+      });
+    });
+  }
+}
+
 export class AppImManager {
   public pageEl = document.getElementById('page-chats') as HTMLDivElement;
   public btnMute = this.pageEl.querySelector('.tool-mute') as HTMLButtonElement;
@@ -58,9 +224,8 @@ export class AppImManager {
   
   public myID = 0;
   public peerID = 0;
-  public muted = false;
 
-  public bubbles: {[mid: number]: HTMLDivElement} = {};
+  public bubbles: {[mid: string]: HTMLDivElement} = {};
   public dateMessages: {[timestamp: number]: { 
     div: HTMLDivElement, 
     firstTimestamp: number, 
@@ -94,10 +259,7 @@ export class AppImManager {
   private scrolledAll: boolean;
   private scrolledAllDown: boolean;
   
-  public contextMenu = document.getElementById('bubble-contextmenu') as HTMLDivElement;
-  private contextMenuPin = this.contextMenu.querySelector('.menu-pin') as HTMLDivElement;
-  private contextMenuEdit = this.contextMenu.querySelector('.menu-edit') as HTMLDivElement;
-  private contextMenuMsgID: number;
+  public contextMenu = new ChatContextMenu(this.bubblesContainer);
 
   private popupDeleteMessage: {
     popupEl?: HTMLDivElement,
@@ -511,122 +673,13 @@ export class AppImManager {
     
     document.body.addEventListener('keydown', onKeyDown);
 
-    this.bubblesContainer.addEventListener('contextmenu', e => {
-      let bubble: HTMLDivElement = null;
-      
-      try {
-        bubble = findUpClassName(e.target, 'bubble__container');
-      } catch(e) {}
-      
-      if(bubble) {
-        bubble = bubble.parentElement as HTMLDivElement; // bc container
-
-        e.preventDefault();
-        e.cancelBubble = true;
-        
-        let msgID = 0;
-        for(let id in this.bubbles) {
-          if(this.bubbles[id] === bubble) {
-            msgID = +id;
-            break;
-          }
-        }
-        
-        if(!msgID) return;
-        
-        if(this.myID == this.peerID || (this.peerID < 0 && !appPeersManager.isChannel(this.peerID) && !appPeersManager.isMegagroup(this.peerID))) {
-          this.contextMenuPin.style.display = '';
-        } else this.contextMenuPin.style.display = 'none';
-        
-        this.contextMenuMsgID = msgID;
-        
-        let side = bubble.classList.contains('is-in') ? 'left' : 'right';
-        
-        this.contextMenuEdit.style.display = side == 'right' ? '' : 'none';
-        
-        positionMenu(e, this.contextMenu, side as any);
-        openBtnMenu(this.contextMenu);
-        
-        /////this.log('contextmenu', e, bubble, msgID, side);
-      }
-    });
-    
-    this.contextMenu.querySelector('.menu-copy').addEventListener('click', () => {
-      let message = appMessagesManager.getMessage(this.contextMenuMsgID);
-      
-      let str = message ? message.message : '';
-      
-      var textArea = document.createElement("textarea");
-      textArea.value = str;
-      textArea.style.position = "fixed";  //avoid scrolling to bottom
-      document.body.appendChild(textArea);
-      textArea.focus();
-      textArea.select();
-      
-      try {
-        document.execCommand('copy');
-      } catch (err) {
-        console.error('Oops, unable to copy', err);
-      }
-      
-      document.body.removeChild(textArea);
-    });
-    
-    this.contextMenu.querySelector('.menu-delete').addEventListener('click', () => {
-      if(this.peerID == this.myID) {
-        this.popupDeleteMessage.deleteBothBtn.style.display = 'none';
-        this.popupDeleteMessage.deleteMeBtn.innerText = 'DELETE';
-      } else {
-        this.popupDeleteMessage.deleteBothBtn.style.display = '';
-        this.popupDeleteMessage.deleteMeBtn.innerText = 'DELETE JUST FOR ME';
-        
-        if(this.peerID > 0) {
-          let title = appPeersManager.getPeerTitle(this.peerID);
-          this.popupDeleteMessage.deleteBothBtn.innerHTML = 'DELETE FOR ME AND ' + title;
-        } else {
-          this.popupDeleteMessage.deleteBothBtn.innerText = 'DELETE FOR ALL';
-        }
-      }
-      
-      this.popupDeleteMessage.popupEl.classList.add('active');
-    });
-    
-    this.contextMenu.querySelector('.menu-reply').addEventListener('click', () => {
-      let message = appMessagesManager.getMessage(this.contextMenuMsgID);
-      this.chatInputC.setTopInfo(appPeersManager.getPeerTitle(message.fromID, true), message.message, undefined, message);
-      this.chatInputC.replyToMsgID = this.contextMenuMsgID;
-      this.chatInputC.editMsgID = 0;
-    });
-
-    this.contextMenu.querySelector('.menu-forward').addEventListener('click', () => {
-      appForward.init([this.contextMenuMsgID]);
-    });
-    
-    this.contextMenuEdit.addEventListener('click', () => {
-      let message = appMessagesManager.getMessage(this.contextMenuMsgID);
-      this.chatInputC.setTopInfo('Editing', message.message, message.message, message);
-      this.chatInputC.replyToMsgID = 0;
-      this.chatInputC.editMsgID = this.contextMenuMsgID;
-    });
-    
-    this.contextMenuPin.addEventListener('click', () => {
-      apiManager.invokeApi('messages.updatePinnedMessage', {
-        flags: 0,
-        peer: appPeersManager.getInputPeerByID(this.peerID),
-        id: this.contextMenuMsgID
-      }).then(updates => {
-        /////this.log('pinned updates:', updates);
-        apiUpdatesManager.processUpdateMessage(updates);
-      });
-    });
-    
     this.popupDeleteMessage.deleteBothBtn.addEventListener('click', () => {
-      this.deleteMessages(true);
+      appMessagesManager.deleteMessages([this.contextMenu.msgID], true);
       this.popupDeleteMessage.cancelBtn.click();
     });
     
     this.popupDeleteMessage.deleteMeBtn.addEventListener('click', () => {
-      this.deleteMessages(false);
+      appMessagesManager.deleteMessages([this.contextMenu.msgID], false);
       this.popupDeleteMessage.cancelBtn.click();
     });
     
@@ -690,7 +743,7 @@ export class AppImManager {
         } */
 
         //appMessagesManager.readMessages(readed);
-        /* false &&  */appMessagesManager.readHistory(this.peerID, max, length).catch((err: any) => {
+        /* false && */ appMessagesManager.readHistory(this.peerID, max, length).catch((err: any) => {
           this.log.error('readHistory err:', err);
           appMessagesManager.readHistory(this.peerID, max, length);
         });
@@ -698,36 +751,6 @@ export class AppImManager {
     });
   }
   
-  public deleteMessages(revoke = false) {
-    let flags = revoke ? 1 : 0;
-    let ids = [this.contextMenuMsgID];
-    
-    apiManager.invokeApi('messages.deleteMessages', {
-      flags: flags,
-      revoke: revoke,
-      id: ids
-    }).then((affectedMessages: any) => {
-      /////this.log('deleted messages:', affectedMessages);
-      
-      apiUpdatesManager.processUpdateMessage({
-        _: 'updateShort',
-        update: {
-          _: 'updatePts',
-          pts: affectedMessages.pts,
-          pts_count: affectedMessages.pts_count
-        }
-      });
-      
-      apiUpdatesManager.processUpdateMessage({
-        _: 'updateShort',
-        update: {
-          _: 'updateDeleteMessages',
-          messages: ids
-        }
-      });
-    });
-  }
-  
   public updateStatus() {
     if(!this.myID) return Promise.resolve();
     
@@ -897,7 +920,6 @@ export class AppImManager {
     ////console.time('appImManager cleanup');
     this.scrolledAll = false;
     this.scrolledAllDown = false;
-    this.muted = false;
 
     this.bubbles = {};
     this.dateMessages = {};
@@ -952,14 +974,11 @@ export class AppImManager {
     
     if(this.setPeerPromise && samePeer) return this.setPeerPromise;
 
-    /* if(lastMsgID) {
-      appMessagesManager.readHistory(peerID, lastMsgID); // lol
-    } */
-
     const dialog = appMessagesManager.getDialogByPeerID(peerID)[0] || null;
     const topMessage = lastMsgID <= 0 ? lastMsgID : dialog?.top_message ?? 0;
-    if(lastMsgID === undefined && dialog) {
-      if(dialog.unread_count) {
+    const isTarget = lastMsgID !== undefined;
+    if(!isTarget && dialog) {
+      if(dialog.unread_count && !samePeer) {
         lastMsgID = dialog.read_inbox_max_id;
       } else {
         lastMsgID = dialog.top_message;
@@ -971,7 +990,7 @@ export class AppImManager {
         if(dialog && lastMsgID == topMessage) {
           this.log('will scroll down', this.scroll.scrollTop, this.scroll.scrollHeight);
           this.scroll.scrollTop = this.scroll.scrollHeight;
-        } else {
+        } else if(isTarget) {
           this.scrollable.scrollIntoView(this.bubbles[lastMsgID]);
           this.highlightBubble(this.bubbles[lastMsgID]);
         }
@@ -1053,11 +1072,11 @@ export class AppImManager {
           }
           
           const fromUp = maxBubbleID > 0 && (maxBubbleID < lastMsgID || lastMsgID < 0);
-          if(!fromUp && samePeer) {
+          const forwardingUnread = dialog.read_inbox_max_id == lastMsgID;
+          if(!fromUp && (samePeer || forwardingUnread)) {
             this.scrollable.scrollTop = this.scrollable.scrollHeight;
           }
 
-          const forwardingUnread = dialog.read_inbox_max_id == lastMsgID;
           const bubble = forwardingUnread ? (this.firstUnreadBubble || this.bubbles[lastMsgID]) : this.bubbles[lastMsgID];
 
           this.scrollable.scrollIntoView(bubble, samePeer/* , fromUp */);
@@ -1075,6 +1094,12 @@ export class AppImManager {
 
         this.log('scrolledAllDown:', this.scrolledAllDown);
 
+        if(!this.unreaded.length && dialog) { // lol
+          appMessagesManager.readHistory(peerID, dialog.top_message);
+        }
+
+        this.chatInner.classList.remove('disable-hover', 'is-scrolling'); // warning, performance!
+
         //console.timeEnd('appImManager setPeer');
 
         return true;
@@ -1126,6 +1151,8 @@ export class AppImManager {
 
     this.pinnedMessageContainer.style.display = 'none';
 
+    this.btnMute.style.display = appPeersManager.isBroadcast(peerID) ? '' : 'none';
+
     window.requestAnimationFrame(() => {
       let title = '';
       if(this.peerID == this.myID) title = 'Saved Messages';
@@ -1643,6 +1670,8 @@ export class AppImManager {
       }
     }
 
+    const isOut = our && (!message.fwd_from || this.peerID != this.myID);
+    
     // media
     if(messageMedia/*  && messageMedia._ == 'messageMediaPhoto' */) {
       let attachmentDiv = document.createElement('div');
@@ -1696,7 +1725,7 @@ export class AppImManager {
                   boxWidth: 380,
                   boxHeight: 380, 
                   withTail: doc.type != 'round', 
-                  isOut: our,
+                  isOut: isOut,
                   lazyLoadQueue: this.lazyLoadQueue,
                   middleware: null
                 });
@@ -1744,7 +1773,7 @@ export class AppImManager {
               lazyLoadQueue: this.lazyLoadQueue
             });
           } else {
-            wrapPhoto(photo.id, message, attachmentDiv, undefined, undefined, true, our, this.lazyLoadQueue, () => {
+            wrapPhoto(photo.id, message, attachmentDiv, undefined, undefined, true, isOut, this.lazyLoadQueue, () => {
               return this.peerID == peerID;
             });
           }
@@ -1800,7 +1829,8 @@ export class AppImManager {
                 lazyLoadQueue: this.lazyLoadQueue,
                 middleware: () => {
                   return this.peerID == peerID;
-                }
+                },
+                isOut
               });
               //}
             } else {
@@ -1907,7 +1937,7 @@ export class AppImManager {
                 boxWidth: 380,
                 boxHeight: 380, 
                 withTail: doc.type != 'round', 
-                isOut: our,
+                isOut: isOut,
                 lazyLoadQueue: this.lazyLoadQueue,
                 middleware: () => {
                   return this.peerID == peerID;
@@ -2097,7 +2127,7 @@ export class AppImManager {
       bubble.classList.add('hide-name');
     }
     
-    bubble.classList.add(our && (!message.fwd_from || this.peerID != this.myID) ? 'is-out' : 'is-in');
+    bubble.classList.add(isOut ? 'is-out' : 'is-in');
     if(updatePosition) {
       this.bubbleGroups.addBubble(bubble, message, reverse);
 
@@ -2151,10 +2181,16 @@ export class AppImManager {
 
       let realLength = this.scrollable.length;
       let previousScrollHeightMinusTop: number;
-      if(realLength > 0 && reverse) {
+      if(realLength > 0 && reverse) { // for safari need set when scrolling bottom too
         this.messagesQueueOnRender = () => {
           let scrollTop = this.scrollable.scrollTop;
+
           previousScrollHeightMinusTop = this.scrollable.scrollHeight - scrollTop;
+          /* if(reverse) {
+            previousScrollHeightMinusTop = this.scrollable.scrollHeight - scrollTop;
+          } else {
+            previousScrollHeightMinusTop = scrollTop;
+          } */
 
           this.log('performHistoryResult: messagesQueueOnRender, scrollTop:', scrollTop, previousScrollHeightMinusTop);
           this.messagesQueueOnRender = undefined;
@@ -2168,8 +2204,9 @@ export class AppImManager {
 
       (this.messagesQueuePromise || Promise.resolve()).then(() => {
         if(previousScrollHeightMinusTop !== undefined) {
-          this.log('performHistoryResult: will set scrollTop', this.scrollable.scrollHeight, previousScrollHeightMinusTop);
-          this.scrollable.scrollTop = this.scrollable.scrollHeight - previousScrollHeightMinusTop;
+          const newScrollTop = reverse ? this.scrollable.scrollHeight - previousScrollHeightMinusTop : previousScrollHeightMinusTop;
+          this.log('performHistoryResult: will set scrollTop', this.scrollable.scrollHeight, newScrollTop, this.scrollable.container.clientHeight);
+          this.scrollable.scrollTop = newScrollTop;
         }
 
         resolve(true);
@@ -2186,7 +2223,7 @@ export class AppImManager {
     let peerID = this.peerID;
 
     //console.time('appImManager call getHistory');
-    let pageCount = this.bubblesContainer.clientHeight / 38/*  * 1.25 */ | 0;
+    let pageCount = appPhotosManager.windowH / 38/*  * 1.25 */ | 0;
     //let loadCount = Object.keys(this.bubbles).length > 0 ? 50 : pageCount;
     let realLoadCount = Object.keys(this.bubbles).length > 0 ? Math.max(40, pageCount) : pageCount;//let realLoadCount = 50;
     let loadCount = realLoadCount;
@@ -2215,7 +2252,7 @@ export class AppImManager {
     if(result instanceof Promise) {
       cached = false;
       promise = result.then((result) => {
-        this.log('getHistory result by maxID:', maxID, reverse, isBackLimit, result);
+        this.log('getHistory not cached result by maxID:', maxID, reverse, isBackLimit, result, peerID);
         
         //console.timeEnd('appImManager call getHistory');
         
@@ -2234,8 +2271,8 @@ export class AppImManager {
         return false;
       });
     } else {
-      this.log('getHistory result by maxID:', maxID, reverse, isBackLimit, result);
       cached = true;
+      this.log('getHistory cached result by maxID:', maxID, reverse, isBackLimit, result, peerID);
       promise = this.performHistoryResult(result.history || [], reverse, isBackLimit, additionMsgID);
       //return (reverse ? this.getHistoryTopPromise = promise : this.getHistoryBottomPromise = promise);
       //return this.performHistoryResult(result.history || [], reverse, isBackLimit, additionMsgID, true);
@@ -2292,7 +2329,7 @@ export class AppImManager {
     if(!dialog?.unread_count) return;
 
     let maxID = dialog.read_inbox_max_id;
-    maxID = Object.keys(this.bubbles).map(i => +i).sort((a, b) => a - b).find(i => i > maxID);
+    maxID = Object.keys(this.bubbles).filter(mid => !this.bubbles[mid].classList.contains('is-out')).map(i => +i).sort((a, b) => a - b).find(i => i > maxID);
 
     if(maxID && this.bubbles[maxID]) {
       let bubble = this.bubbles[maxID];
@@ -2313,7 +2350,7 @@ export class AppImManager {
     for(let i in this.dateMessages) {
       let dateMessage = this.dateMessages[i];
 
-      if(dateMessage.container.childElementCount == 1) { // only date div
+      if(dateMessage.container.childElementCount == 2) { // only date div + sentinel div
         dateMessage.container.remove();
         this.stickyIntersector.unobserve(dateMessage.container, dateMessage.div);
         delete this.dateMessages[i];
@@ -2325,18 +2362,10 @@ export class AppImManager {
     appSidebarRight.profileElements.notificationsCheckbox.checked = !muted;
     appSidebarRight.profileElements.notificationsStatus.innerText = muted ? 'Disabled' : 'Enabled';
 
-    let peerID = this.peerID;
-    
-    this.muted = muted;
-    if(peerID < 0) { // not human
-      let isChannel = appPeersManager.isChannel(peerID) && !appPeersManager.isMegagroup(peerID);
-      if(isChannel) {
-        this.btnMute.classList.remove('tgico-mute', 'tgico-unmute');
-        this.btnMute.classList.add(muted ? 'tgico-unmute' : 'tgico-mute');
-        this.btnMute.style.display = '';
-      } else {
-        this.btnMute.style.display = 'none';
-      }
+    if(appPeersManager.isBroadcast(this.peerID)) { // not human
+      this.btnMute.classList.remove('tgico-mute', 'tgico-unmute');
+      this.btnMute.classList.add(muted ? 'tgico-unmute' : 'tgico-mute');
+      this.btnMute.style.display = '';
     } else {
       this.btnMute.style.display = 'none';
     }

src/lib/appManagers/appMediaViewer.ts

@@ -9,6 +9,8 @@ import appDocsManager from "./appDocsManager";
 import VideoPlayer from "../mediaPlayer";
 import { renderImageFromUrl } from "../../components/misc";
 import AvatarElement from "../../components/avatar";
+import LazyLoadQueue from "../../components/lazyLoadQueue";
+import appForward from "../../components/appForward";
 
 export class AppMediaViewer {
   private overlaysDiv = document.querySelector('.overlays') as HTMLDivElement;
@@ -60,9 +62,14 @@ export class AppMediaViewer {
 
   private pageEl = document.getElementById('page-chats') as HTMLDivElement;
 
+  private setMoverPromise: Promise<void>;
+
+  private lazyLoadQueue: LazyLoadQueue;
+  
   constructor() {
     this.log = logger('AMV');
     this.preloader = new ProgressivePreloader();
+    this.lazyLoadQueue = new LazyLoadQueue(5, false);
 
     this.onKeyDownBinded = this.onKeyDown.bind(this);
     
@@ -75,6 +82,7 @@ export class AppMediaViewer {
 
       this.peerID = 0;
       this.currentMessageID = 0;
+      this.lazyLoadQueue.clear();
 
       this.setMoverToTarget(this.lastTarget, true);
 
@@ -88,6 +96,8 @@ export class AppMediaViewer {
     });
     
     this.buttons.prev.addEventListener('click', () => {
+      if(this.setMoverPromise) return;
+
       let target = this.prevTargets.pop();
       if(target) {
         this.nextTargets.unshift({element: this.lastTarget, mid: this.currentMessageID});
@@ -98,6 +108,8 @@ export class AppMediaViewer {
     });
     
     this.buttons.next.addEventListener('click', () => {
+      if(this.setMoverPromise) return;
+
       let target = this.nextTargets.shift();
       if(target) {
         this.prevTargets.push({element: this.lastTarget, mid: this.currentMessageID});
@@ -124,6 +136,10 @@ export class AppMediaViewer {
       }
     });
 
+    this.buttons.forward.addEventListener('click', () => {
+      appForward.init([this.currentMessageID]);
+    });
+
     this.onClickBinded = (e: MouseEvent) => {
       let target = e.target as HTMLElement;
 
@@ -155,7 +171,7 @@ export class AppMediaViewer {
     }
   }
 
-  public setMoverToTarget(target: HTMLElement, closing = false, fromRight = 0) {
+  public async setMoverToTarget(target: HTMLElement, closing = false, fromRight = 0) {
     let mover = this.content.mover;
 
     if(!closing) {
@@ -222,7 +238,7 @@ export class AppMediaViewer {
         }
       } else {
         aspecter = document.createElement('div');
-        aspecter.classList.add('media-viewer-aspecter');
+        aspecter.classList.add('media-viewer-aspecter', 'disable-hover');
         mover.prepend(aspecter);
       }
       
@@ -257,19 +273,25 @@ export class AppMediaViewer {
     let isOut = target.classList.contains('is-out');
 
     if(!closing) {
-      let img: HTMLImageElement;
-      let video: HTMLVideoElement;
+      let mediaElement: HTMLImageElement | HTMLVideoElement;
+      let src: string;
+
+      if(target.tagName == 'DIV') { // 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); */
         
-      if(target.tagName == 'DIV') { // means backgrounded with cover
-        img = new Image();
-        img.src = target.style.backgroundImage.slice(5, -2);
       } else if(target instanceof HTMLImageElement) {
-        img = new Image();
-        img.src = target.src;
+        mediaElement = new Image();
+        src = target.src;
       } else if(target instanceof HTMLVideoElement) {
-        video = document.createElement('video');
+        let video = mediaElement = document.createElement('video');
         let source = document.createElement('source');
-        source.src = target.querySelector('source')?.src;
+        src = target.querySelector('source')?.src;
         video.append(source);
       } else if(target instanceof SVGSVGElement) {
         let clipID = target.dataset.clipID;
@@ -314,23 +336,42 @@ export class AppMediaViewer {
           path.setAttributeNS(null, 'd', d);
         }
 
-        let mediaEl = newSvg.lastElementChild;
-        mediaEl.setAttributeNS(null, 'width', '' + containerRect.width);
-        mediaEl.setAttributeNS(null, 'height', '' + containerRect.height);
+        let foreignObject = newSvg.lastElementChild;
+        foreignObject.setAttributeNS(null, 'width', '' + containerRect.width);
+        foreignObject.setAttributeNS(null, 'height', '' + containerRect.height);
         
         mover.prepend(newSvg);
       }
 
       if(aspecter) {
         aspecter.style.borderRadius = borderRadius;
-        aspecter.append(img || video);
+        aspecter.append(mediaElement);
+      }
+
+      mediaElement = mover.querySelector('video, img');
+      if(mediaElement instanceof HTMLImageElement) {
+        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) {
+        await new Promise((resolve, reject) => {
+          mediaElement.addEventListener('loadeddata', resolve);
+
+          if(src) {
+            (mediaElement.firstElementChild as HTMLSourceElement).src = src;
+          }
+        });
       }
   
       mover.style.display = '';
 
-      setTimeout(() => {
+      window.requestAnimationFrame(() => {
         mover.classList.add(wasActive ? 'moving' : 'active');
-      }, 0);
+      });
     } else {
       if(target instanceof SVGSVGElement) {
         path = mover.querySelector('path');
@@ -340,6 +381,10 @@ export class AppMediaViewer {
         }
       }
 
+      if(target.classList.contains('media-viewer-media')) {
+        mover.classList.add('hiding');
+      }
+
       setTimeout(() => {
         this.overlaysDiv.classList.remove('active');
       }, 0);
@@ -354,46 +399,48 @@ export class AppMediaViewer {
 
       setTimeout(() => {
         mover.innerHTML = '';
-        mover.classList.remove('moving', 'active');
+        mover.classList.remove('moving', 'active', 'hiding');
         mover.style.display = 'none';
       }, delay);
-    }
 
-    return () => {
-      mover.style.transform = `translate(${containerRect.left}px,${containerRect.top}px) scale(1,1)`;
+      return;
+    }
 
-      if(aspecter) {
-        this.setFullAspect(aspecter, containerRect, rect);
-        aspecter.classList.add('disable-hover');
-      }
+    //await new Promise((resolve) => setTimeout(resolve, 0));
+    await new Promise((resolve) => window.requestAnimationFrame(resolve));
 
-      setTimeout(() => {
-        mover.style.borderRadius = '';
+    mover.style.transform = `translate(${containerRect.left}px,${containerRect.top}px) scale(1,1)`;
 
-        if(mover.firstElementChild) {
-          (mover.firstElementChild as HTMLElement).style.borderRadius = '';
-        }
-      }, delay / 2);
+    if(aspecter) {
+      this.setFullAspect(aspecter, containerRect, rect);
+    }
 
-      mover.dataset.timeout = '' + setTimeout(() => {
-        mover.classList.remove('moving');
+    setTimeout(() => {
+      mover.style.borderRadius = '';
 
-        if(aspecter) { // всё из-за видео, элементы управления скейлятся, так бы можно было этого не делать
-          mover.classList.remove('active');
-          aspecter.style.cssText = '';
-          void mover.offsetLeft; // reflow
+      if(mover.firstElementChild) {
+        (mover.firstElementChild as HTMLElement).style.borderRadius = '';
+      }
+    }, delay / 2);
 
-          aspecter.classList.remove('disable-hover');
-        }
+    mover.dataset.timeout = '' + setTimeout(() => {
+      mover.classList.remove('moving');
 
-        mover.classList.add('active');
-        delete mover.dataset.timeout;
-      }, delay);
+      if(aspecter) { // всё из-за видео, элементы управления скейлятся, так бы можно было этого не делать
+        mover.classList.remove('active');
+        //aspecter.style.cssText = '';
+        void mover.offsetLeft; // reflow
 
-      if(path) {
-        this.sizeTailPath(path, containerRect, scaleX, delay, true, isOut, borderRadius);
+        aspecter.classList.remove('disable-hover');
       }
-    };
+
+      mover.classList.add('active');
+      delete mover.dataset.timeout;
+    }, delay);
+
+    if(path) {
+      this.sizeTailPath(path, containerRect, scaleX, delay, true, isOut, borderRadius);
+    }
   }
 
   private setFullAspect(aspecter: HTMLDivElement, containerRect: DOMRect, rect: DOMRect) {
@@ -415,6 +462,8 @@ export class AppMediaViewer {
         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: ${height}px; transform: scale(${containerRect.width / width}, ${containerRect.height / height});`;
     }
   }
@@ -581,7 +630,8 @@ export class AppMediaViewer {
   
   public openMedia(message: any, target?: HTMLElement, reverse = false, targetContainer?: HTMLElement, 
     prevTargets: AppMediaViewer['prevTargets'] = [], nextTargets: AppMediaViewer['prevTargets'] = [], needLoadMore = true) {
-    ////////this.log('openMedia doc:', message, prevTarget, nextTarget);
+    if(this.setMoverPromise) return this.setMoverPromise;
+    this.log('openMedia doc:', message);
     const media = message.media.photo || message.media.document || message.media.webpage.document || message.media.webpage.photo;
     
     const isVideo = media.mime_type == 'video/mp4';
@@ -652,7 +702,11 @@ export class AppMediaViewer {
       this.content.caption.innerHTML = '';
     }
     
+    let oldAvatar = this.author.avatarEl;
+    // @ts-ignore
+    this.author.avatarEl = this.author.avatarEl.cloneNode();
     this.author.avatarEl.setAttribute('peer', '' + message.fromID);
+    oldAvatar.parentElement.replaceChild(this.author.avatarEl, oldAvatar);
 
     // ok set
 
@@ -675,18 +729,17 @@ export class AppMediaViewer {
     const size = appPhotosManager.setAttachmentSize(isVideo ? media : media.id, container, maxWidth, maxHeight);
 
     // need after setAttachmentSize
-    if(useContainerAsTarget) {
+    /* if(useContainerAsTarget) {
       target = target.querySelector('img, video') || target;
-    }
+    } */
 
+    let setMoverPromise: Promise<void>;
     if(isVideo) {
       ////////this.log('will wrap video', media, size);
 
-      let afterTimeout = this.setMoverToTarget(target, false, fromRight);
+      setMoverPromise = this.setMoverToTarget(target, false, fromRight).then(() => {
       //return; // set and don't move
       //if(wasActive) return;
-      setTimeout(() => {
-        afterTimeout();
         //return;
 
         let video = mover.querySelector('video') || document.createElement('video');
@@ -694,6 +747,7 @@ export class AppMediaViewer {
 
         if(media.type == 'gif') {
           video.autoplay = true;
+          video.loop = true;
         }
 
         let createPlayer = () => {
@@ -704,88 +758,112 @@ export class AppMediaViewer {
             let player = new VideoPlayer(video, true);
             /* player.wrapper.parentElement.append(video);
             mover.append(player.wrapper); */
+          } else {
+            video.play();
           }
         };
         
         if(!source || !source.src) {
-          let promise = appDocsManager.downloadDoc(media);
-          this.preloader.attach(mover, true, promise);
-  
-          promise.then(() => {
-            if(this.currentMessageID != message.mid) {
-              this.log.warn('media viewer changed video');
-              return;
-            }
-
-            let url = media.url;
-            if(target instanceof SVGSVGElement) {
-              this.updateMediaSource(mover, url, 'source');
-              this.updateMediaSource(target, url, 'source');
-            } else {
-              let div = mover.firstElementChild.classList.contains('media-viewer-aspecter') ? mover.firstElementChild : mover;
-              let image = div.firstElementChild as HTMLImageElement;
-              if(image instanceof HTMLImageElement) {
-                image.remove();
+          let load = () => {
+            let promise = appDocsManager.downloadDoc(media);
+            this.preloader.attach(mover, true, promise);
+    
+            promise.then(() => {
+              if(this.currentMessageID != message.mid) {
+                this.log.warn('media viewer changed video');
+                return;
               }
   
-              renderImageFromUrl(source, url);
-              source.type = media.mime_type;
-
-              if(!source.parentElement) {
-                video.append(source);
+              let url = media.url;
+              if(target instanceof SVGSVGElement) {
+                this.updateMediaSource(mover, url, 'source');
+                this.updateMediaSource(target, url, 'source');
+              } else {
+                let div = mover.firstElementChild && mover.firstElementChild.classList.contains('media-viewer-aspecter') ? mover.firstElementChild : mover;
+                let image = div.firstElementChild as HTMLImageElement;
+                if(image instanceof HTMLImageElement) {
+                  image.remove();
+                }
+  
+                renderImageFromUrl(source, url);
+                source.type = media.mime_type;
+  
+                if(!source.parentElement) {
+                  video.append(source);
+                }
+  
+                if(!video.parentElement) {
+                  div.prepend(video);
+                }
               }
   
-              if(!video.parentElement) {
-                div.prepend(video);
-              }
-            }
+              createPlayer();
+            });
+
+            return promise;
+          };
 
-            createPlayer();
+          this.lazyLoadQueue.unshift({
+            div: null,
+            load,
+            wasSeen: true
           });
         } else createPlayer();
-      }, 0);
+      });
     } else {
-      let afterTimeout = this.setMoverToTarget(target, false, fromRight);
+      setMoverPromise = this.setMoverToTarget(target, false, fromRight).then(() => {
       //return; // set and don't move
       //if(wasActive) return;
-      setTimeout(() => {
-        afterTimeout();
         //return;
-        this.preloader.attach(mover);
         
-        let cancellablePromise = appPhotosManager.preloadPhoto(media.id, size);
-        cancellablePromise.then(() => {
-          if(this.currentMessageID != message.mid) {
-            this.log.warn('media viewer changed photo');
-            return;
-          }
+        let load = () => {
+          let cancellablePromise = appPhotosManager.preloadPhoto(media.id, size);
+          this.preloader.attach(mover, true, cancellablePromise);
+          cancellablePromise.then(() => {
+            if(this.currentMessageID != message.mid) {
+              this.log.warn('media viewer changed photo');
+              return;
+            }
             
-          ///////this.log('indochina', blob);
+            ///////this.log('indochina', blob);
   
-          let url = media.url;
-          if(target instanceof SVGSVGElement) {
-            this.updateMediaSource(target, url, 'img');
-            this.updateMediaSource(mover, url, 'img');
-          } else {
-            let div = mover.firstElementChild.classList.contains('media-viewer-aspecter') ? mover.firstElementChild : mover;
-            let image = div.firstElementChild as HTMLImageElement;
-            if(!image || image.tagName != 'IMG') {
-              image = new Image();
+            let url = media.url;
+            if(target instanceof SVGSVGElement) {
+              this.updateMediaSource(target, url, 'img');
+              this.updateMediaSource(mover, url, 'img');
+            } else {
+              let div = mover.firstElementChild && mover.firstElementChild.classList.contains('media-viewer-aspecter') ? mover.firstElementChild : mover;
+              let image = div.firstElementChild as HTMLImageElement;
+              if(!image || image.tagName != 'IMG') {
+                image = new Image();
+              }
+  
+              //this.log('will renderImageFromUrl:', image, div, target);
+  
+              renderImageFromUrl(image, url).then(() => {
+                div.append(image);
+              });
             }
   
-            //this.log('will renderImageFromUrl:', image, div, target);
+            this.preloader.detach();
+          }).catch(err => {
+            this.log.error(err);
+          });
 
-            renderImageFromUrl(image, url).then(() => {
-              div.append(image);
-            });
-          }
+          return cancellablePromise;
+        };
 
-          this.preloader.detach();
-        }).catch(err => {
-          this.log.error(err);
+        this.lazyLoadQueue.unshift({
+          div: null,
+          load,
+          wasSeen: true
         });
-      }, 0);
+      });
     }
+
+    return this.setMoverPromise = setMoverPromise.then(() => {
+      this.setMoverPromise = null;
+    });
   }
 }
 

src/lib/appManagers/appMessagesManager.ts

@@ -1844,42 +1844,21 @@ export class AppMessagesManager {
         case 'messageMediaDocument':
           let document = message.media.document;
 
-          let found = false;
-          for(let attribute of document.attributes) {
-            if(found) break;
-
-            switch(attribute._) {
-              case 'documentAttributeSticker':
-                messageText += RichTextProcessor.wrapRichText(attribute.alt) + '<i>Sticker</i>';
-                found = true;
-                break;
-              case 'documentAttributeFilename':
-                messageText += '<i>' + attribute.file_name + '</i>';
-                found = true;
-                break;
-              /* default:
-                console.warn('Got unknown document type!', message);
-                break; */
-            }
-          }
-
           if(document.type == 'video') {
             messageText = '<i>Video' + (message.message ? ', ' : '') + '</i>';
-            found = true;
           } else if(document.type == 'voice') {
             messageText = '<i>Voice message</i>';
-            found = true;
           } else if(document.type == 'gif') {
             messageText = '<i>GIF' + (message.message ? ', ' : '') + '</i>';
-            found = true;
           } else if(document.type == 'round') {
             messageText = '<i>Video message' + (message.message ? ', ' : '') + '</i>';
-            found = true;
+          } else if(document.type == 'sticker') {
+            messageText = (document.stickerEmoji || '') + '<i>Sticker</i>';
+          } else {
+            messageText = '<i>' + document.file_name + '</i>';
           }
 
-          if(found) {
-            break;
-          }
+          break;
 
         default:
           ///////console.warn('Got unknown message.media type!', message);
@@ -2537,6 +2516,77 @@ export class AppMessagesManager {
     }
   }
 
+  public deleteMessages(messageIDs: number[], revoke: boolean) {
+    const splitted = appMessagesIDsManager.splitMessageIDsByChannels(messageIDs);
+    const promises: Promise<any>[] = [];
+    for(const channelIDStr in splitted.msgIDs) {
+      const channelID = +channelIDStr;
+      let msgIDs = splitted.msgIDs[channelID];
+
+      let promise: Promise<any>;
+      if(channelID > 0) {
+        const channel = appChatsManager.getChat(channelID);
+        if(!channel.pFlags.creator && !(channel.pFlags.editor && channel.pFlags.megagroup)) {
+          const goodMsgIDs: number[] = [];
+          if (channel.pFlags.editor || channel.pFlags.megagroup) {
+            msgIDs.forEach((msgID, i) => {
+              const message = this.getMessage(splitted.mids[channelID][i]);
+              if(message.pFlags.out) {
+                goodMsgIDs.push(msgID);
+              }
+            });
+          }
+
+          if(!goodMsgIDs.length) {
+            return;
+          }
+
+          msgIDs = goodMsgIDs;
+        }
+
+        promise = apiManager.invokeApi('channels.deleteMessages', {
+          channel: appChatsManager.getChannelInput(channelID),
+          id: msgIDs
+        }).then((affectedMessages) => {
+          apiUpdatesManager.processUpdateMessage({
+            _: 'updateShort',
+            update: {
+              _: 'updateDeleteChannelMessages',
+              channel_id: channelID,
+              messages: msgIDs,
+              pts: affectedMessages.pts,
+              pts_count: affectedMessages.pts_count
+            }
+          });
+        });
+      } else {
+        let flags = 0;
+        if(revoke) {
+          flags |= 1;
+        }
+
+        promise = apiManager.invokeApi('messages.deleteMessages', {
+          flags: flags,
+          id: msgIDs
+        }).then((affectedMessages) => {
+          apiUpdatesManager.processUpdateMessage({
+            _: 'updateShort',
+            update: {
+              _: 'updateDeleteMessages',
+              messages: msgIDs,
+              pts: affectedMessages.pts,
+              pts_count: affectedMessages.pts_count
+            }
+          });
+        });
+      }
+
+      promises.push(promise);
+    }
+
+    return Promise.all(promises);
+  }
+
   public readHistory(peerID: number, maxID = 0, readLength = 0): Promise<boolean> {
     // console.trace('start read')
     const isChannel = appPeersManager.isChannel(peerID);
@@ -2590,7 +2640,7 @@ export class AppMessagesManager {
         index = historyStorage.history.indexOf(maxID);
       }
 
-      let readedLength = 0;
+      let readedLength = 1;
 
       if(historyStorage.history.length && maxID) {
         for(let i = index == -1 ? 0 : index, length = historyStorage.history.length; i < length; i++) {

src/lib/appManagers/appSidebarLeft.ts

@@ -5,7 +5,7 @@ import appImManager from "./appImManager";
 //import apiManager from '../mtproto/apiManager';
 import apiManager from '../mtproto/mtprotoworker';
 import AppSearch, { SearchGroup } from "../../components/appSearch";
-import { horizontalMenu, putPreloader } from "../../components/misc";
+import { horizontalMenu, putPreloader, parseMenuButtonsTo } from "../../components/misc";
 import appUsersManager from "./appUsersManager";
 import Scrollable from "../../components/scrollable_new";
 import appPhotosManager from "./appPhotosManager";
@@ -273,10 +273,14 @@ class AppContactsTab implements SliderTab {
 
   public onCloseAfterTimeout() {
     this.list.innerHTML = '';
+    this.input.value = '';
   }
 
   public openContacts(query?: string) {
-    appSidebarLeft.selectTab(SLIDERITEMSIDS.contacts);
+    if(appSidebarLeft.historyTabIDs.indexOf(SLIDERITEMSIDS.contacts) === -1) {
+      appSidebarLeft.selectTab(SLIDERITEMSIDS.contacts);
+    }
+
     if(this.promise) return this.promise;
     this.scrollable.onScrolledBottom = null;
 
@@ -288,6 +292,9 @@ class AppContactsTab implements SliderTab {
         return;
       }
 
+      contacts = contacts.slice();
+      contacts.findAndSplice(u => u == $rootScope.myID);
+
       let sorted = contacts
       .map(userID => {
         let user = appUsersManager.getUser(userID);
@@ -340,11 +347,7 @@ class AppSettingsTab implements SliderTab {
   } = {} as any;
 
   constructor() {
-    (Array.from(this.container.querySelector('.profile-buttons').children) as HTMLButtonElement[]).forEach(el => {
-      let name = el.className.match(/ menu-(.+?) /)[1];
-      // @ts-ignore
-      this.buttons[name] = el;
-    });
+    parseMenuButtonsTo(this.buttons, this.container.querySelector('.profile-buttons').children);
 
     $rootScope.$on('user_auth', (e: CustomEvent) => {
       this.fillElements();
@@ -569,19 +572,22 @@ class AppSidebarLeft {
   private searchInput = document.getElementById('global-search') as HTMLInputElement;
   
   private menuEl = this.toolsBtn.querySelector('.btn-menu');
-  private newGroupBtn = this.menuEl.querySelector('.menu-new-group');
-  private contactsBtn = this.menuEl.querySelector('.menu-contacts');
-  private archivedBtn = this.menuEl.querySelector('.menu-archive');
-  private savedBtn = this.menuEl.querySelector('.menu-saved');
-  private settingsBtn = this.menuEl.querySelector('.menu-settings');
-  public archivedCount = this.archivedBtn.querySelector('.archived-count') as HTMLSpanElement;
+  private buttons: {
+    newGroup: HTMLButtonElement,
+    contacts: HTMLButtonElement,
+    archived: HTMLButtonElement,
+    saved: HTMLButtonElement,
+    settings: HTMLButtonElement,
+    help: HTMLButtonElement
+  } = {} as any;
+  public archivedCount: HTMLSpanElement;
 
   private newBtnMenu = this.sidebarEl.querySelector('#new-menu');
-  private newButtons = {
-    channel: this.newBtnMenu.querySelector('.menu-channel'),
-    group: this.newBtnMenu.querySelector('.menu-group'),
-    privateChat: this.newBtnMenu.querySelector('.menu-private-chat'),
-  };
+  private newButtons: {
+    channel: HTMLButtonElement,
+    group: HTMLButtonElement,
+    privateChat: HTMLButtonElement,
+  } = {} as any;
   
   public newChannelTab = new AppNewChannelTab();
   public addMembersTab = new AppAddMembersTab();
@@ -620,7 +626,12 @@ class AppSidebarLeft {
     this.searchGroups.people.container.append(peopleContainer);
     let peopleScrollable = new Scrollable(peopleContainer, 'x');
 
-    this.savedBtn.addEventListener('click', (e) => {
+    parseMenuButtonsTo(this.buttons, this.menuEl.children);
+    parseMenuButtonsTo(this.newButtons, this.newBtnMenu.firstElementChild.children);
+
+    this.archivedCount = this.buttons.archived.querySelector('.archived-count') as HTMLSpanElement;
+
+    this.buttons.saved.addEventListener('click', (e) => {
       ///////this.log('savedbtn click');
       setTimeout(() => { // menu doesn't close if no timeout (lol)
         let dom = appDialogsManager.getDialogDom(appImManager.myID);
@@ -628,15 +639,15 @@ class AppSidebarLeft {
       }, 0);
     });
     
-    this.archivedBtn.addEventListener('click', (e) => {
+    this.buttons.archived.addEventListener('click', (e) => {
       this.selectTab(SLIDERITEMSIDS.archived);
     });
 
-    this.contactsBtn.addEventListener('click', (e) => {
+    this.buttons.contacts.addEventListener('click', (e) => {
       this.contactsTab.openContacts();
     });
 
-    this.settingsBtn.addEventListener('click', () => {
+    this.buttons.settings.addEventListener('click', () => {
       this.settingsTab.fillElements();
       this.selectTab(SLIDERITEMSIDS.settings);
     });
@@ -676,7 +687,7 @@ class AppSidebarLeft {
       this.selectTab(SLIDERITEMSIDS.newChannel);
     });
 
-    [this.newButtons.group, this.newGroupBtn].forEach(btn => {
+    [this.newButtons.group, this.buttons.newGroup].forEach(btn => {
       btn.addEventListener('click', (e) => {
         this.addMembersTab.init(0, 'chat', false, (peerIDs) => {
           this.newGroupTab.init(peerIDs);

src/lib/appManagers/appSidebarRight.ts

@@ -175,7 +175,7 @@ class AppSidebarRight {
       appImManager.mutePeer(this.peerID);
     });
 
-    if(testScroll) {
+    if(testScroll && false) {
       let div = document.createElement('div');
       for(let i = 0; i < 500; ++i) {
         //div.insertAdjacentHTML('beforeend', `<div style="background-image: url(assets/img/camomile.jpg);"></div>`);
@@ -713,9 +713,8 @@ class AppSidebarRight {
         setText(appPeersManager.getPeerUsername(peerID), this.profileElements.username);
       }
       
-      let dialog: any = appMessagesManager.getDialogByPeerID(peerID);
-      if(dialog.length) {
-        dialog = dialog[0];
+      let dialog = appMessagesManager.getDialogByPeerID(peerID)[0];
+      if(dialog) {
         let muted = false;
         if(dialog.notify_settings && dialog.notify_settings.mute_until) {
           muted = new Date(dialog.notify_settings.mute_until * 1000) > new Date();

src/lib/appManagers/appStickersManager.ts

@@ -68,7 +68,7 @@ class AppStickersManager {
       }
 
       //if(!this.stickerSets['emoji']) {
-        this.getStickerSet({id: 'emoji', access_hash: ''});
+        this.getStickerSet({id: 'emoji', access_hash: ''}, {overwrite: true});
       //}
     });
   } 
@@ -95,8 +95,10 @@ class AppStickersManager {
   public async getStickerSet(set: {
     id: string,
     access_hash: string
-  }) {
-    if(this.stickerSets[set.id]) return this.stickerSets[set.id];
+  }, params: Partial<{
+    overwrite: boolean
+  }> = {}) {
+    if(this.stickerSets[set.id] && !params.overwrite) return this.stickerSets[set.id];
     
     let promise = apiManager.invokeApi('messages.getStickerSet', {
       stickerset: set.id == 'emoji' ? {

src/lib/lottieLoader.ts

@@ -1,4 +1,4 @@
-import { isInDOM } from "./utils";
+//import { isInDOM } from "./utils";
 import LottiePlayer, { AnimationConfigWithPath, AnimationConfigWithData, AnimationItem } from "lottie-web/build/player/lottie.d";
 
 let convert = (value: number) => {
@@ -85,7 +85,7 @@ class LottieLoader {
       for(let i = length - 1; i >= 0; --i) {
         let {animation, container, paused, autoplay, canvas} = animations[i];
 
-        if(destroy && !isInDOM(container)) {
+        if(destroy && !container.parentElement/* !isInDOM(container) */) {
           this.debug && console.log('destroy animation');
           animation.destroy();
           animations.splice(i, 1);
@@ -140,7 +140,7 @@ class LottieLoader {
               k[2] = (foundReplacement[1] & 255) / 255;
             }
 
-            console.log('foundReplacement!', foundReplacement, color.toString(16), k);
+            //console.log('foundReplacement!', foundReplacement, color.toString(16), k);
             break;
         }
 

src/pages/pageSignIn.ts

@@ -206,7 +206,7 @@ let onFirstMount = () => {
     putPreloader(this);
     //this.innerHTML = 'PLEASE WAIT...';
 
-    return;
+    //return;
 
     let phone_number = telEl.value;
     apiManager.invokeApi('auth.sendCode', {

src/scss/partials/_mediaViewer.scss

@@ -74,49 +74,39 @@ $move-duration: .35s;
     max-height: 100%;
     max-width: 100%;
     overflow: hidden;
+  }
 
-    .media-viewer-stub {
-      flex: 1;
-    }
-
-    .media-viewer-container {
-      align-self: center;
-      position: relative;
-      max-width: 100%;
-      max-height: 100%;
-      overflow: hidden;
-      flex: 1 1 auto;
-      display: flex;
-      align-items: center;
-    }
+  &-stub {
+    flex: 1;
+  }
 
-    .media-viewer-media {
-      display: flex;
-      align-items: center;
-      justify-content: center;
-      visibility: hidden;
-    }
+  &-container {
+    align-self: center;
+    position: relative;
+    max-width: 100%;
+    max-height: 100%;
+    overflow: hidden;
+    flex: 1 1 auto;
+    display: flex;
+    align-items: center;
+  }
 
-    img, video {
-      max-height: calc(100vh - 100px);
-      max-width: calc(100vw - 16px);
-      /* max-height: 720px;
-      max-width: 1280px; */
-    }
+  &-media {
+    visibility: hidden;
+  }
 
-    .media-viewer-caption {
-      flex: 1;
-      text-align: center;
-      color: $color-gray;
-      transition: $open-duration;
-      max-width: 50vw;
-      word-break: break-word;
-      overflow: hidden;
-      text-overflow: ellipsis;
+  &-caption {
+    flex: 1;
+    text-align: center;
+    color: $color-gray;
+    transition: $open-duration;
+    max-width: 50vw;
+    word-break: break-word;
+    overflow: hidden;
+    text-overflow: ellipsis;
 
-      &:hover {
-        color: #fff;
-      }
+    &:hover {
+      color: #fff;
     }
   }
 
@@ -188,6 +178,7 @@ $move-duration: .35s;
       height: 100%;
       user-select: none;
       object-fit: cover;
+      opacity: 1;
     }
 
     &.active {
@@ -197,6 +188,13 @@ $move-duration: .35s;
     &.moving {
       transition: $move-duration transform ease;
     }
+
+    &.hiding {
+      img, video {
+        transition: $open-duration opacity;
+        opacity: 0;
+      }
+    }
   }
 
   // возможно тут это вообще не нужно
@@ -205,6 +203,7 @@ $move-duration: .35s;
     height: 100%;
     transform: scale(1);
     overflow: hidden;
+    position: absolute;
   }
 
   &-mover.active &-aspecter {

src/scss/partials/_rightSIdebar.scss

@@ -30,6 +30,10 @@
     }
   }
 
+  #forward-container {
+    z-index: 5;
+  }
+
   .sidebar-search {
     display: none;
 
@@ -41,7 +45,7 @@
 
 .profile {
   &-content {
-    flex: 1 1 auto;
+    /* flex: 1 1 auto; */
     display: flex;
     flex-direction: column;
     /* height: 100%; */
@@ -54,7 +58,7 @@
     }
 
     &-wrapper {
-      flex: 0 0 auto;
+      flex: 1 1 auto;
       display: flex;
       flex-direction: column;
       margin-bottom: 36px;
@@ -64,16 +68,18 @@
       width: 100%;
       max-width: 100%;
       //overflow: hidden;
-      flex: 1 1 auto;
-      position: relative;
-      //height: 1%; // fix safari
+      position: absolute;
+      top: 100%;
+      min-height: calc(100vh - 100% - 60px);
+      display: flex;
+      flex-direction: column;
+    }
+  }
 
-      /* &.loaded { // warning
-        .profile-tabs-content {
-          position: relative;
-          min-height: auto;
-        }
-      } */
+  &-container {
+    > .scrollable {
+      display: flex;
+      flex-direction: column;
     }
   }
 
@@ -159,12 +165,13 @@
     position: -webkit-sticky !important;
 	  position: sticky !important;
     top: 0;
-    z-index: 3;
+    z-index: 2;
     background-color: #fff;
 
     &-content {
       //min-height: 100%;
       min-height: calc(100% - 49px);
+      flex: 1 1 auto;
       //position: absolute; // FIX THE SAFARI!
       //position: relative;
       /* width: 500%;

src/scss/partials/_scrollable.scss

@@ -26,8 +26,8 @@ div.scrollable::-webkit-scrollbar-thumb {
   //position: relative;
 
   //will-change: transform;
-  transform: translateZ(0);
-  -webkit-transform: translateZ(0);
+  /* transform: translateZ(0);
+  -webkit-transform: translateZ(0); */
 
   position: absolute;
   top: 0px;

src/scss/partials/popups/_peer.scss

@@ -18,6 +18,7 @@
       font-size: 1.25rem;
       font-weight: 500;
       margin-bottom: 0.125rem;
+      text-transform: capitalize;
     }
 
     &-description {

src/scss/style.scss

@@ -534,7 +534,7 @@ avatar-element {
   }
 
   &-download {
-    z-index: 2;
+    z-index: 1;
     align-items: center;
     font-size: 24px;
     cursor: pointer;

webpack.common.js

@@ -1,7 +1,7 @@
 const path = require('path');
 const HtmlWebpackPlugin = require('html-webpack-plugin');
 
-let allowedIPs = ['195.66.140.39', '192.168.31.144', '127.0.0.1', '192.168.31.1', '192.168.31.192', '192.168.0.111'];
+let allowedIPs = ['195.66.140.39', '192.168.31.144', '127.0.0.1', '192.168.31.1', '192.168.31.192', '192.168.0.111', '192.168.0.105'];
 
 const opts = {
   MTPROTO_WORKER: true,