Lazy load avatars in channels & members list

src/components/appSearchSuper..ts

@@ -883,6 +883,7 @@ export default class AppSearchSuper {
       
       if(!this.membersList) {
         this.membersList = new SortedUserList();
+        this.membersList.lazyLoadQueue = this.lazyLoadQueue;
         this.membersList.list.addEventListener('click', (e) => {
           const li = findUpTag(e.target, 'LI');
           if(!li) {

src/components/avatar.ts

@@ -9,10 +9,10 @@ import appProfileManager from "../lib/appManagers/appProfileManager";
 import rootScope from "../lib/rootScope";
 import { attachClickEvent, cancelEvent } from "../helpers/dom";
 import AppMediaViewer, { AppMediaViewerAvatar } from "./appMediaViewer";
-import { Message, Photo } from "../layer";
+import { Message } from "../layer";
 import appPeersManager from "../lib/appManagers/appPeersManager";
 import appPhotosManager from "../lib/appManagers/appPhotosManager";
-//import type { LazyLoadQueueIntersector } from "./lazyLoadQueue";
+import type { LazyLoadQueueIntersector } from "./lazyLoadQueue";
 
 const onAvatarUpdate = (peerId: number) => {
   appProfileManager.removeFromAvatarsCache(peerId);
@@ -98,24 +98,22 @@ export async function openAvatarViewer(target: HTMLElement, peerId: number, midd
   }
 }
 
+const believeMe: Map<number, Set<AvatarElement>> = new Map();
+const seen: Set<number> = new Set();
+
 export default class AvatarElement extends HTMLElement {
   private peerId: number;
   private isDialog = false;
-  public peerTitle: string;
+  private peerTitle: string;
   public loadPromises: Promise<any>[];
-  //public lazyLoadQueue: LazyLoadQueueIntersector;
-  //private addedToQueue = false;
-
-  constructor() {
-    super();
-    // элемент создан
-  }
+  public lazyLoadQueue: LazyLoadQueueIntersector;
+  private addedToQueue = false;
 
   connectedCallback() {
     // браузер вызывает этот метод при добавлении элемента в документ
     // (может вызываться много раз, если элемент многократно добавляется/удаляется)
 
-    this.isDialog = !!this.getAttribute('dialog');
+    this.isDialog = this.getAttribute('dialog') === '1';
     if(this.getAttribute('clickable') === '') {
       this.setAttribute('clickable', 'set');
       let loading = false;
@@ -131,13 +129,21 @@ export default class AvatarElement extends HTMLElement {
     }
   }
 
-  /* disconnectedCallback() {
+  disconnectedCallback() {
     // браузер вызывает этот метод при удалении элемента из документа
     // (может вызываться много раз, если элемент многократно добавляется/удаляется)
+    const set = believeMe.get(this.peerId);
+    if(set && set.has(this)) {
+      set.delete(this);
+      if(!set.size) {
+        believeMe.delete(this.peerId);
+      }
+    }
+
     if(this.lazyLoadQueue) {
       this.lazyLoadQueue.unobserve(this);
     }
-  } */
+  }
 
   static get observedAttributes(): string[] {
     return ['peer', 'dialog', 'peer-title'/* массив имён атрибутов для отслеживания их изменений */];
@@ -152,36 +158,88 @@ export default class AvatarElement extends HTMLElement {
       }
       
       this.peerId = appPeersManager.getPeerMigratedTo(+newValue) || +newValue;
+
+      const wasPeerId = +oldValue;
+      if(wasPeerId) {
+        const set = believeMe.get(wasPeerId);
+        if(set) {
+          set.delete(this);
+          if(!set.size) {
+            believeMe.delete(wasPeerId);
+          }
+        }
+      }
+
       this.update();
     } else if(name === 'peer-title') {
       this.peerTitle = newValue;
     } else if(name === 'dialog') {
-      this.isDialog = !!+newValue;
+      this.isDialog = newValue === '1';
     }
   }
 
   public update() {
-    /* if(this.lazyLoadQueue) {
-      if(this.addedToQueue) return;
-      this.lazyLoadQueue.push({
-        div: this, 
-        load: () => {
-          return appProfileManager.putPhoto(this, this.peerId, this.isDialog, this.peerTitle).finally(() => {
-            this.addedToQueue = false;
-          });
+    if(this.lazyLoadQueue) {
+      if(!seen.has(this.peerId)) {
+        if(this.addedToQueue) return;
+        this.addedToQueue = true;
+        
+        let set = believeMe.get(this.peerId);
+        if(!set) {
+          set = new Set();
+          believeMe.set(this.peerId, set);
         }
-      });
-      this.addedToQueue = true;
-    } else { */
-      const res = appProfileManager.putPhoto(this, this.peerId, this.isDialog, this.peerTitle);
-      if(this.loadPromises && res && res.cached) {
-        this.loadPromises.push(res.loadPromise);
-        res.loadPromise.finally(() => {
-          this.loadPromises = undefined;
+  
+        set.add(this);
+
+        this.lazyLoadQueue.push({
+          div: this, 
+          load: () => {
+            seen.add(this.peerId);
+            return this.update();
+          }
         });
+
+        return;
+      } else if(this.addedToQueue) {
+        this.lazyLoadQueue.unobserve(this);
       }
-    //}
+    } 
+    
+    seen.add(this.peerId);
+    
+    const res = appProfileManager.putPhoto(this, this.peerId, this.isDialog, this.peerTitle);
+    const promise = res ? res.loadPromise : Promise.resolve();
+    if(this.loadPromises) {
+      if(res && res.cached) {
+        this.loadPromises.push(promise);
+      }
+
+      promise.finally(() => {
+        this.loadPromises = undefined;
+      });
+    }
+
+    if(this.addedToQueue) {
+      promise.finally(() => {
+        this.addedToQueue = false;
+      });
+    }
+
+    const set = believeMe.get(this.peerId);
+    if(set) {
+      set.delete(this);
+      const arr = Array.from(set);
+      believeMe.delete(this.peerId);
+      
+
+      for(let i = 0, length = arr.length; i < length; ++i) {
+        arr[i].update();
+      }
+    }
+
+    return promise;
   }
 }
 
-customElements.define("avatar-element", AvatarElement);
+customElements.define('avatar-element', AvatarElement);

src/components/chat/bubbles.ts

@@ -2560,7 +2560,8 @@ export default class ChatBubbles {
         bubbleContainer,
         message: messageWithReplies,
         messageDiv,
-        loadPromises
+        loadPromises,
+        lazyLoadQueue: this.lazyLoadQueue
       });
 
       if(isFooter) {

src/components/chat/messageRender.ts

@@ -7,6 +7,7 @@
 import { getFullDate } from "../../helpers/date";
 import { formatNumber } from "../../helpers/number";
 import RichTextProcessor from "../../lib/richtextprocessor";
+import { LazyLoadQueueIntersector } from "../lazyLoadQueue";
 import { wrapReply } from "../wrappers";
 import Chat from "./chat";
 import RepliesElement from "./replies";
@@ -65,18 +66,20 @@ export namespace MessageRender {
     return timeSpan;
   };
 
-  export const renderReplies = ({bubble, bubbleContainer, message, messageDiv, loadPromises}: {
+  export const renderReplies = ({bubble, bubbleContainer, message, messageDiv, loadPromises, lazyLoadQueue}: {
     bubble: HTMLElement,
     bubbleContainer: HTMLElement,
     message: any,
     messageDiv: HTMLElement,
-    loadPromises?: Promise<any>[]
+    loadPromises?: Promise<any>[],
+    lazyLoadQueue?: LazyLoadQueueIntersector
   }) => {
     const isFooter = !bubble.classList.contains('sticker') && !bubble.classList.contains('emoji-big') && !bubble.classList.contains('round');
     const repliesFooter = new RepliesElement();
     repliesFooter.message = message;
     repliesFooter.type = isFooter ? 'footer' : 'beside';
     repliesFooter.loadPromises = loadPromises;
+    repliesFooter.lazyLoadQueue = lazyLoadQueue;
     repliesFooter.init();
     bubbleContainer.prepend(repliesFooter);
     return isFooter;

src/components/chat/replies.ts

@@ -4,6 +4,7 @@
  * https://github.com/morethanwords/tweb/blob/master/LICENSE
  */
 
+import type { LazyLoadQueueIntersector } from "../lazyLoadQueue";
 import { formatNumber } from "../../helpers/number";
 import { Message } from "../../layer";
 import appMessagesManager from "../../lib/appManagers/appMessagesManager";
@@ -26,6 +27,7 @@ export default class RepliesElement extends HTMLElement {
   public message: Message.message;
   public type: 'footer' | 'beside';
   public loadPromises: Promise<any>[];
+  public lazyLoadQueue: LazyLoadQueueIntersector;
   
   private updated = false;
 
@@ -69,6 +71,7 @@ export default class RepliesElement extends HTMLElement {
             avatarElem = new AvatarElement();
             avatarElem.setAttribute('dialog', '0');
             avatarElem.classList.add('avatar-30');
+            avatarElem.lazyLoadQueue = this.lazyLoadQueue;
             
             if(this.loadPromises) {
               avatarElem.loadPromises = this.loadPromises;

src/components/sortedUserList.ts

@@ -4,6 +4,7 @@
  * https://github.com/morethanwords/tweb/blob/master/LICENSE
  */
 
+import type { LazyLoadQueueIntersector } from "./lazyLoadQueue";
 import appDialogsManager, { DialogDom } from "../lib/appManagers/appDialogsManager";
 import { isInDOM, positionElementByIndex, replaceContent } from "../helpers/dom";
 import { getHeavyAnimationPromise } from "../hooks/useHeavyAnimationCheck";
@@ -20,6 +21,7 @@ export default class SortedUserList {
   public list: HTMLUListElement;
   public users: Map<number, SortedUser>;
   public sorted: Array<SortedUser>;
+  public lazyLoadQueue: LazyLoadQueueIntersector;
 
   constructor() {
     this.list = appDialogsManager.createChatList();
@@ -75,7 +77,8 @@ export default class SortedUserList {
       avatarSize: 48,
       autonomous: true,
       meAsSaved: false,
-      rippleEnabled: false
+      rippleEnabled: false,
+      lazyLoadQueue: this.lazyLoadQueue
     });
 
     const sortedUser: SortedUser = {

src/lib/appManagers/apiUpdatesManager.ts

@@ -596,7 +596,7 @@ export class ApiUpdatesManager {
   }
 
   public saveUpdate(update: Update) {
-    this.debug && this.log('saveUpdate', update);
+    //this.debug && this.log('saveUpdate', update);
     rootScope.dispatchEvent(update._, update as any);
   }
   

src/lib/appManagers/appDialogsManager.ts

@@ -35,6 +35,7 @@ import appNotificationsManager from "./appNotificationsManager";
 import PeerTitle from "../../components/peerTitle";
 import { i18n } from "../langPack";
 import findUpTag from "../../helpers/dom/findUpTag";
+import { LazyLoadQueueIntersector } from "../../components/lazyLoadQueue";
 
 export type DialogDom = {
   avatarEl: AvatarElement,
@@ -1213,12 +1214,13 @@ export class AppDialogsManager {
     meAsSaved?: boolean,
     append?: boolean,
     avatarSize?: number,
-    autonomous?: boolean
+    autonomous?: boolean,
+    lazyLoadQueue?: LazyLoadQueueIntersector,
   }) {
-    return this.addDialog(options.dialog, options.container, options.drawStatus, options.rippleEnabled, options.onlyFirstName, options.meAsSaved, options.append, options.avatarSize, options.autonomous);
+    return this.addDialog(options.dialog, options.container, options.drawStatus, options.rippleEnabled, options.onlyFirstName, options.meAsSaved, options.append, options.avatarSize, options.autonomous, options.lazyLoadQueue);
   }
 
-  public addDialog(_dialog: Dialog | number, container?: HTMLUListElement | Scrollable | false, drawStatus = true, rippleEnabled = true, onlyFirstName = false, meAsSaved = true, append = true, avatarSize = 54, autonomous = !!container) {
+  public addDialog(_dialog: Dialog | number, container?: HTMLUListElement | Scrollable | false, drawStatus = true, rippleEnabled = true, onlyFirstName = false, meAsSaved = true, append = true, avatarSize = 54, autonomous = !!container, lazyLoadQueue?: LazyLoadQueueIntersector) {
     let dialog: Dialog;
     
     if(typeof(_dialog) === 'number') {
@@ -1248,6 +1250,7 @@ export class AppDialogsManager {
     }
 
     const avatarEl = new AvatarElement();
+    avatarEl.lazyLoadQueue = lazyLoadQueue;
     avatarEl.setAttribute('dialog', meAsSaved ? '1' : '0');
     avatarEl.setAttribute('peer', '' + peerId);
     avatarEl.classList.add('dialog-avatar', 'avatar-' + avatarSize);