Fix blinking avatars in chat, replies footer

src/components/avatar.ts

@@ -4,7 +4,7 @@ import rootScope from "../lib/rootScope";
 import { attachClickEvent, cancelEvent } from "../helpers/dom";
 import AppMediaViewer, { AppMediaViewerAvatar } from "./appMediaViewer";
 import { Photo } from "../layer";
-import type { LazyLoadQueueIntersector } from "./lazyLoadQueue";
+//import type { LazyLoadQueueIntersector } from "./lazyLoadQueue";
 
 rootScope.on('avatar_update', (e) => {
   let peerId = e;
@@ -20,8 +20,9 @@ export default class AvatarElement extends HTMLElement {
   private peerId: number;
   private isDialog = false;
   public peerTitle: string;
-  public lazyLoadQueue: LazyLoadQueueIntersector;
-  private addedToQueue = false;
+  public loadPromises: Promise<any>[];
+  //public lazyLoadQueue: LazyLoadQueueIntersector;
+  //private addedToQueue = false;
 
   constructor() {
     super();
@@ -105,13 +106,13 @@ 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)
     if(this.lazyLoadQueue) {
       this.lazyLoadQueue.unobserve(this);
     }
-  }
+  } */
 
   static get observedAttributes(): string[] {
     return ['peer', 'dialog', 'peer-title'/* массив имён атрибутов для отслеживания их изменений */];
@@ -120,22 +121,22 @@ export default class AvatarElement extends HTMLElement {
   attributeChangedCallback(name: string, oldValue: string, newValue: string) {
     //console.log('avatar changed attribute:', name, oldValue, newValue);
     // вызывается при изменении одного из перечисленных выше атрибутов
-    if(name == 'peer') {
-      if(this.peerId == +newValue) {
+    if(name === 'peer') {
+      if(this.peerId === +newValue) {
         return;
       }
       
       this.peerId = +newValue;
       this.update();
-    } else if(name == 'peer-title') {
+    } else if(name === 'peer-title') {
       this.peerTitle = newValue;
-    } else if(name == 'dialog') {
+    } else if(name === 'dialog') {
       this.isDialog = !!+newValue;
     }
   }
 
   public update() {
-    if(this.lazyLoadQueue) {
+    /* if(this.lazyLoadQueue) {
       if(this.addedToQueue) return;
       this.lazyLoadQueue.push({
         div: this, 
@@ -146,9 +147,15 @@ export default class AvatarElement extends HTMLElement {
         }
       });
       this.addedToQueue = true;
-    } else {
-      appProfileManager.putPhoto(this, this.peerId, this.isDialog, this.peerTitle);
-    }
+    } 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;
+        });
+      }
+    //}
   }
 }
 

src/components/chat/bubbles.ts

@@ -2256,13 +2256,14 @@ export default class ChatBubbles {
         let avatarElem = new AvatarElement();
         //avatarElem.lazyLoadQueue = this.lazyLoadQueue;
         avatarElem.classList.add('user-avatar', 'avatar-40');
+        avatarElem.loadPromises = loadPromises;
 
         if(!message.fwdFromId && message.fwd_from && message.fwd_from.from_name) {
           avatarElem.setAttribute('peer-title', /* '🔥 FF 🔥' */message.fwd_from.from_name);
         }
 
         avatarElem.setAttribute('peer', '' + (((message.fwd_from && (this.peerId === rootScope.myId || this.peerId === REPLIES_PEER_ID)) || isForwardFromChannel ? message.fwdFromId : message.fromId) || 0));
-        avatarElem.update();
+        //avatarElem.update();
         
         //this.log('exec loadDialogPhoto', message);
 
@@ -2305,7 +2306,8 @@ export default class ChatBubbles {
         bubble,
         bubbleContainer,
         message: messageWithReplies,
-        messageDiv
+        messageDiv,
+        loadPromises
       });
 
       if(isFooter) {

src/components/chat/messageRender.ts

@@ -58,16 +58,19 @@ export namespace MessageRender {
     return timeSpan;
   };
 
-  export const renderReplies = ({bubble, bubbleContainer, message, messageDiv}: {
+  export const renderReplies = ({bubble, bubbleContainer, message, messageDiv, loadPromises}: {
     bubble: HTMLElement,
     bubbleContainer: HTMLElement,
     message: any,
-    messageDiv: HTMLElement
+    messageDiv: HTMLElement,
+    loadPromises?: Promise<any>[]
   }) => {
     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.init();
     bubbleContainer.prepend(repliesFooter);
     return isFooter;
   };

src/components/chat/replies.ts

@@ -4,6 +4,7 @@ import appMessagesManager from "../../lib/appManagers/appMessagesManager";
 import appPeersManager from "../../lib/appManagers/appPeersManager";
 import rootScope from "../../lib/rootScope";
 import { ripple } from "../ripple";
+import AvatarElement from "../avatar";
 
 const TAG_NAME = 'replies-element';
 
@@ -18,6 +19,7 @@ rootScope.on('replies_updated', (e) => {
 export default class RepliesElement extends HTMLElement {
   public message: Message.message;
   public type: 'footer' | 'beside';
+  public loadPromises: Promise<any>[];
   
   private updated = false;
 
@@ -25,7 +27,7 @@ export default class RepliesElement extends HTMLElement {
     super();
   }
 
-  connectedCallback() {
+  public init() {
     this.render();
     this.dataset.postKey = this.message.peerId + '_' + this.message.mid;
     this.classList.add('replies', 'replies-' + this.type);
@@ -34,17 +36,62 @@ export default class RepliesElement extends HTMLElement {
   public render() {
     const replies = this.message.replies;
 
+    /* if(this.firstChild) {
+      this.innerHTML = '';
+    } */
+
     if(this.type === 'footer') {
-      let leftHTML = '';
+      let leftPart: HTMLElement;
+      if(this.firstElementChild) {
+        leftPart = this.firstElementChild as HTMLElement;
+      }
+
       if(replies?.recent_repliers) {
-        leftHTML += '<div class="replies-footer-avatars">'
-        let l: string[] = [];
-        replies.recent_repliers/* .slice().reverse() */.forEach((peer) => {
-          l.push(`<avatar-element class="avatar-34" dialog="0" peer="${appPeersManager.getPeerId(peer)}"></avatar-element>`);
+        if(leftPart && !leftPart.classList.contains('replies-footer-avatars')) {
+          leftPart.remove();
+          leftPart = null;
+        }
+
+        if(!leftPart) {
+          leftPart = document.createElement('div');
+          leftPart.classList.add('replies-footer-avatars');
+        }
+
+        replies.recent_repliers.slice().reverse().forEach((peer, idx) => {
+          let avatarElem = leftPart.children[idx] as AvatarElement;
+          if(!avatarElem) {
+            avatarElem = new AvatarElement();
+            avatarElem.setAttribute('dialog', '0');
+            avatarElem.classList.add('avatar-34');
+            
+            if(this.loadPromises) {
+              avatarElem.loadPromises = this.loadPromises;
+            }
+          }
+          
+          avatarElem.setAttribute('peer', '' + appPeersManager.getPeerId(peer));
+          
+          if(!avatarElem.parentNode) {
+            leftPart.append(avatarElem);
+          }
         });
-        leftHTML += l.reverse().join('') + '</div>';
+
+        // if were 3 and became 2
+        (Array.from(leftPart.children) as HTMLElement[]).slice(replies.recent_repliers.length).forEach(el => el.remove());
       } else {
-        leftHTML = '<span class="tgico-comments"></span>';
+        if(leftPart && !leftPart.classList.contains('tgico-comments')) {
+          leftPart.remove();
+          leftPart = null;
+        }
+
+        if(!leftPart) {
+          leftPart = document.createElement('span');
+          leftPart.classList.add('tgico-comments');
+        }
+      }
+
+      if(!leftPart.parentElement) {
+        this.append(leftPart);
       }
   
       let text: string;
@@ -63,11 +110,21 @@ export default class RepliesElement extends HTMLElement {
         this.classList.toggle('is-unread', replies.read_max_id < replies.max_id && (!historyStorage.readMaxId || historyStorage.readMaxId < replies.max_id));
       }
 
-      this.innerHTML = `${leftHTML}<span class="replies-footer-text">${text}</span><span class="tgico-next"></span>`;
+      let textSpan = this.children[1] as HTMLElement;
+      if(!textSpan) {
+        textSpan = document.createElement('span');
+        textSpan.classList.add('replies-footer-text');
+
+        const iconSpan = document.createElement('span');
+        iconSpan.classList.add('tgico-next');
+
+        const rippleContainer = document.createElement('div');
+        ripple(rippleContainer);
 
-      const rippleContainer = document.createElement('div');
-      this.append(rippleContainer);
-      ripple(rippleContainer);
+        this.append(textSpan, iconSpan, rippleContainer);
+      }
+
+      textSpan.innerHTML = text;
     } else {
       this.classList.add('bubble-beside-button');
       this.innerHTML = `<span class="tgico-commentssticker"></span><span class="replies-beside-text">${replies?.replies ? formatNumber(replies.replies, 0) : ''}</span>`;
@@ -78,6 +135,10 @@ export default class RepliesElement extends HTMLElement {
       appMessagesManager.updateMessage(this.message.peerId, this.message.mid, 'replies_updated');
       this.updated = true;
     }
+
+    if(this.loadPromises) {
+      this.loadPromises = undefined;
+    }
   }
 }
 

src/scss/partials/_avatar.scss

@@ -66,7 +66,6 @@ avatar-element {
     width: 100%;
     height: 100%;
     border-radius: inherit;
-    user-select: none;
 
     &.fade-in {
       animation: fade-in-opacity .2s ease forwards;