Performance fix

src/components/appMediaViewer.ts

@@ -959,7 +959,7 @@ class AppMediaViewerBase<ContentAdditionType extends string, ButtonsAdditionType
         img = new Image();
         img.src = cacheContext.url;
       } else {
-        const gotThumb = appPhotosManager.getStrippedThumbIfNeeded(media);
+        const gotThumb = appPhotosManager.getStrippedThumbIfNeeded(media, true);
         if(gotThumb) {
           thumbPromise = gotThumb.loadPromise;
           img = gotThumb.image;

src/components/appSearchSuper..ts

@@ -291,9 +291,9 @@ export default class AppSearchSuper {
     // Jolly Cobra's // Workaround for scrollable content flickering during animation.
     const container = this.scrollable.container;
     if(container.style.overflowY !== 'hidden') {
-      const scrollBarWidth = container.offsetWidth - container.clientWidth;
+      // const scrollBarWidth = container.offsetWidth - container.clientWidth;
       container.style.overflowY = 'hidden';
-      container.style.paddingRight = `${scrollBarWidth}px`;
+      // container.style.paddingRight = `${scrollBarWidth}px`;
       this.container.classList.add('sliding');
     }
   };
@@ -313,7 +313,7 @@ export default class AppSearchSuper {
       container.style.display = '';
     }
 
-    container.style.paddingRight = '0';
+    // container.style.paddingRight = '0';
     this.container.classList.remove('sliding');
   };
 
@@ -478,7 +478,8 @@ export default class AppSearchSuper {
               boxHeight: 0,
               lazyLoadQueue: this.lazyLoadQueue,
               middleware,
-              withoutPreloader: true
+              withoutPreloader: true,
+              noBlur: true
             });
           }
 
@@ -586,7 +587,8 @@ export default class AppSearchSuper {
               lazyLoadQueue: this.lazyLoadQueue,
               middleware,
               size: appPhotosManager.choosePhotoSize(webpage.photo, 60, 60, false),
-              loadPromises: promises
+              loadPromises: promises,
+              noBlur: true
             });
           } else {
             previewDiv.classList.add('empty');

src/components/chat/bubbles.ts

@@ -15,7 +15,7 @@ import type { AppPeersManager } from "../../lib/appManagers/appPeersManager";
 import type sessionStorage from '../../lib/sessionStorage';
 import type Chat from "./chat";
 import { CHAT_ANIMATION_GROUP } from "../../lib/appManagers/appImManager";
-import { cancelEvent, whichChild, getElementByPoint, attachClickEvent, positionElementByIndex, reflowScrollableElement } from "../../helpers/dom";
+import { cancelEvent, whichChild, attachClickEvent, positionElementByIndex, reflowScrollableElement, replaceContent } from "../../helpers/dom";
 import { getObjectKeysAndSort } from "../../helpers/object";
 import { isTouchSupported } from "../../helpers/touchSupport";
 import { logger } from "../../lib/logger";
@@ -58,6 +58,7 @@ import { forEachReverse } from "../../helpers/array";
 import findUpClassName from "../../helpers/dom/findUpClassName";
 import findUpTag from "../../helpers/dom/findUpTag";
 import { toast } from "../toast";
+import { getElementByPoint } from "../../helpers/dom/getElementByPoint";
 
 const USE_MEDIA_TAILS = false;
 const IGNORE_ACTIONS: Message.messageService['action']['_'][] = [/* 'messageActionHistoryClear' */];
@@ -71,7 +72,6 @@ export default class ChatBubbles {
   bubblesContainer: HTMLDivElement;
   chatInner: HTMLDivElement;
   scrollable: Scrollable;
-  scroll: HTMLElement;
 
   private getHistoryTopPromise: Promise<boolean>;
   private getHistoryBottomPromise: Promise<boolean>;
@@ -140,10 +140,10 @@ export default class ChatBubbles {
     this.chatInner = document.createElement('div');
     this.chatInner.classList.add('bubbles-inner');
 
-    this.bubblesContainer.append(this.chatInner);
-
     this.setScroll();
 
+    this.bubblesContainer.append(this.scrollable.container);
+
     // * constructor end
 
     this.log = this.chat.log;
@@ -1067,10 +1067,12 @@ export default class ChatBubbles {
   };
 
   public setScroll() {
-    this.scrollable = new Scrollable(this.bubblesContainer/* .firstElementChild */ as HTMLElement, 'IM', /* 10300 */300);
+    this.scrollable = new Scrollable(null, 'IM', /* 10300 */300);
     this.scrollable.loadedAll.top = false;
     this.scrollable.loadedAll.bottom = false;
 
+    this.scrollable.container.append(this.chatInner);
+
     /* const getScrollOffset = () => {
       //return Math.round(Math.max(300, appPhotosManager.windowH / 1.5));
       return 300; 
@@ -1081,17 +1083,14 @@ export default class ChatBubbles {
     });
 
     this.scrollable = new Scrollable(this.bubblesContainer, 'y', 'IM', this.chatInner, getScrollOffset()); */
-    this.scroll = this.scrollable.container;
 
     this.scrollable.onAdditionalScroll = this.onScroll;
     this.scrollable.onScrolledTop = () => this.loadMoreHistory(true);
     this.scrollable.onScrolledBottom = () => this.loadMoreHistory(false);
     //this.scrollable.attachSentinels(undefined, 300);
 
-    this.bubblesContainer.classList.add('scrolled-down');
-
     if(isTouchSupported) {
-      this.scroll.addEventListener('touchmove', () => {
+      this.scrollable.container.addEventListener('touchmove', () => {
         if(this.isScrollingTimeout) {
           clearTimeout(this.isScrollingTimeout);
         } else if(!this.chatInner.classList.contains('is-scrolling')) {
@@ -1099,7 +1098,7 @@ export default class ChatBubbles {
         }
       }, {passive: true});
 
-      this.scroll.addEventListener('touchend', () => {
+      this.scrollable.container.addEventListener('touchend', () => {
         if(!this.chatInner.classList.contains('is-scrolling')) {
           return;
         }
@@ -1447,7 +1446,7 @@ export default class ChatBubbles {
           this.chat.dispatchEvent('setPeer', lastMsgId, false);
         } else if(topMessage && !isJump) {
           //this.log('will scroll down', this.scroll.scrollTop, this.scroll.scrollHeight);
-          this.scroll.scrollTop = this.scroll.scrollHeight;
+          this.scrollable.scrollTop = this.scrollable.scrollHeight;
           this.chat.dispatchEvent('setPeer', lastMsgId, true);
         }
         
@@ -1493,9 +1492,8 @@ export default class ChatBubbles {
 
     const oldChatInner = this.chatInner;
     this.cleanup();
-    this.chatInner = document.createElement('div');
-    this.chatInner.className = oldChatInner.className;
-    this.chatInner.classList.add('disable-hover', 'is-scrolling');
+    this.chatInner = oldChatInner.cloneNode() as HTMLDivElement;
+    this.chatInner.classList.remove('disable-hover', 'is-scrolling');
 
     this.lazyLoadQueue.lock();
 
@@ -1516,7 +1514,7 @@ export default class ChatBubbles {
     // clear 
     if(!cached) {
       if(!samePeer) {
-        this.scrollable.container.innerHTML = '';
+        this.scrollable.container.textContent = '';
         //oldChatInner.remove();
         this.chat.finishPeerChange(isTarget, isJump, lastMsgId);
         this.preloader.attach(this.bubblesContainer);
@@ -1529,9 +1527,6 @@ export default class ChatBubbles {
     const setPeerPromise = promise.then(() => {
       ////this.log('setPeer removing preloader');
 
-      this.scrollable.container.innerHTML = '';
-      //oldChatInner.remove();
-
       if(cached) {
         if(!samePeer) {
           this.chat.finishPeerChange(isTarget, isJump, lastMsgId); // * костыль
@@ -1540,11 +1535,14 @@ export default class ChatBubbles {
         this.preloader.detach();
       }
 
-      this.scrollable.container.append(this.chatInner);
+      replaceContent(this.scrollable.container, this.chatInner);
+
       animationIntersector.unlockGroup(CHAT_ANIMATION_GROUP);
       animationIntersector.checkAnimations(false, CHAT_ANIMATION_GROUP/* , true */);
 
+      fastRaf(() => {
         this.lazyLoadQueue.unlock();
+      });
 
       //if(dialog && lastMsgID && lastMsgID !== topMessage && (this.bubbles[lastMsgID] || this.firstUnreadBubble)) {
       if(savedPosition) {
@@ -1564,7 +1562,7 @@ export default class ChatBubbles {
         const fromUp = maxBubbleId > 0 && (maxBubbleId < lastMsgId || lastMsgId < 0);
         const followingUnread = readMaxId === lastMsgId && !isTarget;
         if(!fromUp && samePeer) {
-          this.scrollable.scrollTop = this.scrollable.scrollHeight;
+          this.scrollable.scrollTop = 99999;
         } else if(fromUp/*  && (samePeer || forwardingUnread) */) {
           this.scrollable.scrollTop = 0;
         }
@@ -1583,7 +1581,7 @@ export default class ChatBubbles {
           }
         }
       } else {
-        this.scrollable.scrollTop = this.scrollable.scrollHeight;
+        this.scrollable.scrollTop = 99999;
       }
 
       this.chat.dispatchEvent('setPeer', lastMsgId, !isJump);
@@ -1613,8 +1611,11 @@ export default class ChatBubbles {
         }
       }
 
-      this.chatInner.classList.remove('disable-hover', 'is-scrolling'); // warning, performance!
+      //this.chatInner.classList.remove('disable-hover', 'is-scrolling'); // warning, performance!
 
+      /* if(!document.body.classList.contains(RIGHT_COLUMN_ACTIVE_CLASSNAME)) {
+        return new Promise<void>((resolve) => fastRaf(resolve));
+      } */
       //console.timeEnd('appImManager setPeer');
     }).catch(err => {
       this.log.error('getHistory promise error:', err);
@@ -2729,9 +2730,9 @@ export default class ChatBubbles {
     const peerId = this.peerId;
 
     //console.time('appImManager call getHistory');
-    const pageCount = this.appPhotosManager.windowH / 38/*  * 1.25 */ | 0;
+    const pageCount = Math.min(30, this.appPhotosManager.windowH / 38/*  * 1.25 */ | 0);
     //const loadCount = Object.keys(this.bubbles).length > 0 ? 50 : pageCount;
-    const realLoadCount = Object.keys(this.bubbles).length > 0 || additionMsgId ? Math.max(40, pageCount) : pageCount;//const realLoadCount = 50;
+    const realLoadCount = Object.keys(this.bubbles).length > 0/*  || additionMsgId */ ? Math.max(40, pageCount) : pageCount;//const realLoadCount = 50;
     //const realLoadCount = pageCount;//const realLoadCount = 50;
     let loadCount = realLoadCount;
     

src/components/lazyLoadQueue.ts

@@ -4,7 +4,7 @@
  * https://github.com/morethanwords/tweb/blob/master/LICENSE
  */
 
-import { debounce } from "../helpers/schedulers";
+import { throttle } from "../helpers/schedulers";
 import { logger, LogLevels } from "../lib/logger";
 import VisibilityIntersector, { OnVisibilityChange } from "./visibilityIntersector";
 import { findAndSpliceAll } from "../helpers/array";
@@ -33,7 +33,7 @@ export class LazyLoadQueueBase {
   protected processQueue: () => void;
 
   constructor(protected parallelLimit = PARALLEL_LIMIT) {
-    this.processQueue = debounce(() => this._processQueue(), 20, false, true);
+    this.processQueue = throttle(() => this._processQueue(), 20, false);
   }
 
   public clear() {
@@ -117,6 +117,8 @@ export class LazyLoadQueueBase {
   protected _processQueue(item?: LazyLoadElementBase) {
     if(!this.queue.length || this.lockPromise || (this.parallelLimit > 0 && this.inProcess.size >= this.parallelLimit)) return;
 
+    //console.log('_processQueue start');
+    let added = 0;
     do {
       if(item) {
         this.queue.findAndSplice(i => i === item);
@@ -131,7 +133,9 @@ export class LazyLoadQueueBase {
       }
 
       item = null;
+      ++added;
     } while(this.inProcess.size < this.parallelLimit && this.queue.length);
+    //console.log('_processQueue end, added', added, this.queue.length);
   }
 
   public push(el: LazyLoadElementBase) {

src/components/poll.ts

@@ -21,7 +21,7 @@ import SetTransition from "./singleTransition";
 import findUpClassName from "../helpers/dom/findUpClassName";
 
 let lineTotalLength = 0;
-const tailLength = 9;
+//const tailLength = 9;
 const times = 10;
 const fullTime = 340;
 const oneTime = fullTime / times;
@@ -163,8 +163,9 @@ export default class PollElement extends HTMLElement {
   private votersCountDiv: HTMLDivElement;
 
   private maxOffset = -46.5;
-  private maxLength: number;
-  private maxLengths: number[];
+  //private maxLength: number;
+  //private maxLengths: number[];
+  private maxPercents: number[];
 
   public isClosed = false;
   private isQuiz = false;
@@ -393,21 +394,17 @@ export default class PollElement extends HTMLElement {
       footerDiv.append(this.sendVoteBtn);
     }
 
-    const width = this.getBoundingClientRect().width;
-    this.maxLength = width + tailLength + this.maxOffset + -13.7; // 13 - position left
+    //const width = this.getBoundingClientRect().width;
+    //this.maxLength = width + tailLength + this.maxOffset + -13.7; // 13 - position left
 
     if(poll.chosenIndexes.length || this.isClosed) {
-      this.performResults(results, poll.chosenIndexes);
+      this.performResults(results, poll.chosenIndexes, false);
     } else if(!this.isClosed) {
       this.setVotersCount(results);
       attachClickEvent(this, this.clickHandler);
     }
   }
 
-  connectedCallback() {
-    this.render();
-  }
-
   initQuizHint(results: PollResults) {
     if(results.solution && results.solution_entities) {
       const toggleHint = document.createElement('div');
@@ -486,7 +483,11 @@ export default class PollElement extends HTMLElement {
     });
   }
 
-  performResults(results: PollResults, chosenIndexes: number[]) {
+  performResults(results: PollResults, chosenIndexes: number[], animate = true) {
+    if(!rootScope.settings.animationsEnabled) {
+      animate = false;
+    }
+
     if(this.isQuiz && (results.results?.length || this.isClosed)) {
       this.answerDivs.forEach((el, idx) => {
         el.classList.toggle('is-correct', !!results.results[idx].pFlags.correct);
@@ -533,9 +534,13 @@ export default class PollElement extends HTMLElement {
     if(this.chosenIndexes.length || this.isRetracted || this.isClosed) {
       const percents = results.results.map(v => results.total_voters ? v.voters / results.total_voters * 100 : 0);
 
+      this.classList.toggle('no-transition', !animate);
+      if(animate) {
         SetTransition(this, '', !this.isRetracted, 340);
+      }
+
       fastRaf(() => {
-        this.setResults(this.isRetracted ? this.percents : percents, this.chosenIndexes);
+        this.setResults(this.isRetracted ? this.percents : percents, this.chosenIndexes, animate);
         this.percents = percents;
         this.isRetracted = false;
       });
@@ -576,7 +581,7 @@ export default class PollElement extends HTMLElement {
     }
   }
 
-  setResults(percents: number[], chosenIndexes: number[]) {
+  setResults(percents: number[], chosenIndexes: number[], animate: boolean) {
     this.svgLines.forEach(svg => svg.style.display = '');
 
     this.answerDivs.forEach((el, idx) => {
@@ -584,7 +589,8 @@ export default class PollElement extends HTMLElement {
     });
 
     const maxValue = Math.max(...percents);
-    this.maxLengths = percents.map(p => p / maxValue * this.maxLength);
+    //this.maxLengths = percents.map(p => p / maxValue * this.maxLength);
+    this.maxPercents = percents.map(p => p / maxValue);
 
     // line
     if(this.isRetracted) {
@@ -592,42 +598,70 @@ export default class PollElement extends HTMLElement {
         this.setLineProgress(idx, -1);
       });
     } else {
+      const cb = () => {
         this.svgLines.forEach((svg, idx) => {
-        void svg.getBoundingClientRect(); // reflow
+          //void svg.getBoundingClientRect(); // reflow
           this.setLineProgress(idx, 1);
         });
+      };
+      
+      animate ? fastRaf(cb) : cb();
     }
 
     percents = percents.slice();
     roundPercents(percents);
+    let getPercentValue: (percents: number, index: number) => number;
+    const iterate = (i: number) => {
+      percents.forEach((percents, idx) => {
+        const value = getPercentValue(percents, i);
+        this.numberDivs[idx].innerText = value + '%';
+      });
+    };
     // numbers
     if(this.isRetracted) {
+      getPercentValue = (percents, index) => Math.round(percents / times * index);
+
+      if(animate) {
         for(let i = (times - 1), k = 0; i >= 0; --i, ++k) {
           setTimeout(() => {
-          percents.forEach((percents, idx) => {
-            const value = Math.round(percents / times * i);
-            this.numberDivs[idx].innerText = value + '%';
-          });
+            iterate(i);
           }, oneTime * k);
         }
       } else {
+        iterate(0);
+      }
+    } else {
+      getPercentValue = (percents, index) => Math.round(percents / times * (index + 1));
+
+      if(animate) {
         for(let i = 0; i < times; ++i) {
           setTimeout(() => {
-          percents.forEach((percents, idx) => {
-            const value = Math.round(percents / times * (i + 1));
-            this.numberDivs[idx].innerText = value + '%';
-          });
+            iterate(i);
           }, oneTime * i);
         }
+      } else {
+        iterate(times - 1);
+      }
     }
 
     if(this.isRetracted) {
+      if(animate) {
         this.classList.add('is-retracting');
+      }
+
       this.classList.remove('is-voted');
+      const cb = () => {
+        this.svgLines.forEach(svg => svg.style.display = 'none');
+      };
+
+      if(animate) {
         setTimeout(() => {
           this.classList.remove('is-retracting');
-        this.svgLines.forEach(svg => svg.style.display = 'none');
+          cb();
         }, fullTime);
+      } else {
+        cb();
+      }
     } else {
       this.classList.add('is-voted');
     }
@@ -647,15 +681,16 @@ export default class PollElement extends HTMLElement {
     replaceContent(this.votersCountDiv, i18n(key, args));
   }
 
-  setLineProgress(index: number, percents: number) {
+  setLineProgress(index: number, multiplier: number) {
     const svg = this.svgLines[index];
 
-    if(percents === -1) {
+    if(multiplier === -1) {
       svg.style.strokeDasharray = '';
       svg.style.strokeDashoffset = '';
     } else {
-      svg.style.strokeDasharray = (percents * this.maxLengths[index]) + ', 485.9';
-      svg.style.strokeDashoffset = '' + percents * this.maxOffset;
+      //svg.style.strokeDasharray = (percents * this.maxLengths[index]) + ', 485.9';
+      svg.style.strokeDasharray = (multiplier * this.maxPercents[index] * 100) + '%, 485.9';
+      svg.style.strokeDashoffset = '' + multiplier * this.maxOffset;
     }
   }
 

src/components/ripple.ts

@@ -5,6 +5,7 @@
  */
 
 import findUpClassName from "../helpers/dom/findUpClassName";
+import sequentialDom from "../helpers/sequentialDom";
 import {isTouchSupported} from "../helpers/touchSupport";
 import rootScope from "../lib/rootScope";
 
@@ -44,22 +45,22 @@ export function ripple(elem: HTMLElement, callback: (id: number) => Promise<bool
       //const duration = isSquare || mediaSizes.isMobile ? 200 : 700;
       //return;
       let elapsedTime = Date.now() - startTime;
+      const cb = () => {
+        //console.log('ripple elapsedTime total pre-remove:', Date.now() - startTime);
+        sequentialDom.mutate(() => {
+          elem.remove();
+        });
+        
+        if(onEnd) onEnd(clickId);
+      };
       if(elapsedTime < duration) {
         let delay = Math.max(duration - elapsedTime, duration / 2);
         setTimeout(() => elem.classList.add('hiding'), Math.max(delay - duration / 2, 0));
 
-        setTimeout(() => {
-          //console.log('ripple elapsedTime total pre-remove:', Date.now() - startTime);
-          elem.remove();
-          if(onEnd) onEnd(clickId);
-        }, delay);
+        setTimeout(cb, delay);
       } else {
         elem.classList.add('hiding');
-        setTimeout(() => {
-          //console.log('ripple elapsedTime total pre-remove:', Date.now() - startTime);
-          elem.remove();
-          if(onEnd) onEnd(clickId);
-        }, duration / 2);
+        setTimeout(cb, duration / 2);
       }
 
       if(!isTouchSupported) {

src/components/scrollable.ts

@@ -108,6 +108,7 @@ export class ScrollableBase {
     forceDuration?: number,
     axis?: 'x' | 'y'
   ) {
+    //return Promise.resolve();
     return fastSmoothScroll(this.container, element, position, margin, maxDistance, forceDirection, forceDuration, axis);
   }
 }

src/components/wrappers.ts

@@ -579,7 +579,7 @@ function wrapMediaWithTail(photo: MyPhoto | MyDocument, message: {mid: number, m
   
   const foreignObject = document.createElementNS("http://www.w3.org/2000/svg", 'foreignObject');
 
-  const gotThumb = appPhotosManager.getStrippedThumbIfNeeded(photo);
+  const gotThumb = appPhotosManager.getStrippedThumbIfNeeded(photo, true);
   if(gotThumb) {
     foreignObject.append(gotThumb.image);
   }
@@ -632,7 +632,7 @@ function wrapMediaWithTail(photo: MyPhoto | MyDocument, message: {mid: number, m
   return img;
 }
 
-export function wrapPhoto({photo, message, container, boxWidth, boxHeight, withTail, isOut, lazyLoadQueue, middleware, size, withoutPreloader, loadPromises, noAutoDownload}: {
+export function wrapPhoto({photo, message, container, boxWidth, boxHeight, withTail, isOut, lazyLoadQueue, middleware, size, withoutPreloader, loadPromises, noAutoDownload, noBlur}: {
   photo: MyPhoto | MyDocument, 
   message: any, 
   container: HTMLElement, 
@@ -646,6 +646,7 @@ export function wrapPhoto({photo, message, container, boxWidth, boxHeight, withT
   withoutPreloader?: boolean,
   loadPromises?: Promise<any>[],
   noAutoDownload?: boolean,
+  noBlur?: boolean,
 }) {
   if(!((photo as MyPhoto).sizes || (photo as MyDocument).thumbs)) {
     if(boxWidth && boxHeight && photo._ === 'document') {
@@ -680,7 +681,7 @@ export function wrapPhoto({photo, message, container, boxWidth, boxHeight, withT
       size = appPhotosManager.setAttachmentSize(photo, container, boxWidth, boxHeight, undefined, message && message.message);
     }
 
-    const gotThumb = appPhotosManager.getStrippedThumbIfNeeded(photo);
+    const gotThumb = appPhotosManager.getStrippedThumbIfNeeded(photo, !noBlur);
     if(gotThumb) {
       loadThumbPromise = gotThumb.loadPromise;
       thumbImage = gotThumb.image;
@@ -1307,6 +1308,6 @@ export function wrapPoll(message: any) {
   elem.setAttribute('peer-id', '' + message.peerId);
   elem.setAttribute('poll-id', message.media.poll.id);
   elem.setAttribute('message-id', '' + message.mid);
-  //elem.render();
+  elem.render();
   return elem;
 }

src/config/app.ts

@@ -12,7 +12,7 @@
 const App = {
   id: 1025907,
   hash: '452b0359b988148995f22ff0f4229750',
-  version: '0.4.0',
+  version: '0.4.1',
   langPackVersion: '0.1.3',
   langPack: 'macos',
   langPackCode: 'en',

src/helpers/blur.ts

@@ -46,8 +46,11 @@ function processBlur(dataUri: string, radius: number, iterations: number) {
   });
 }
 
+const blurPromises: {[dataUri: string]: Promise<string>} = {};
+
 export default function blur(dataUri: string, radius: number = RADIUS, iterations: number = ITERATIONS) {
-  return new Promise<string>((resolve) => {
+  if(blurPromises[dataUri]) return blurPromises[dataUri];
+  return blurPromises[dataUri] = new Promise<string>((resolve) => {
     //return resolve(dataUri);
     pushHeavyTask({
       items: [[dataUri, radius, iterations]],

src/helpers/dom.ts

@@ -529,7 +529,7 @@ export const getSelectedNodes = () => {
   return nodes.filter(node => !!node);
 };
 
-export const isSelectionSingle = (input: Element = document.activeElement) => {
+/* export const isSelectionSingle = (input: Element = document.activeElement) => {
   const nodes = getSelectedNodes();
   const parents = [...new Set(nodes.map(node => node.parentNode))];
   const differentParents = parents.length > 1;
@@ -545,7 +545,7 @@ export const isSelectionSingle = (input: Element = document.activeElement) => {
   }
 
   return single;
-};
+}; */
 
 export const handleScrollSideEvent = (elem: HTMLElement, side: 'top' | 'bottom', callback: () => void, listenerSetter: ListenerSetter) => {
   if(isTouchSupported) {
@@ -587,81 +587,6 @@ export const handleScrollSideEvent = (elem: HTMLElement, side: 'top' | 'bottom',
   }
 };
 
-export const getElementByPoint = (container: HTMLElement, verticalSide: 'top' | 'bottom', horizontalSide: 'center' | 'left'): HTMLElement => {
-  const rect = container.getBoundingClientRect();
-  const x = horizontalSide === 'center' ? Math.ceil(rect.left + ((rect.right - rect.left) / 2) + 1) : Math.ceil(rect.left + 1);
-  const y = verticalSide === 'bottom' ? Math.floor(rect.top + rect.height - 1) : Math.ceil(rect.top + 1);
-  return document.elementFromPoint(x, y) as any;
-};
-
-MOUNT_CLASS_TO.getElementByPoint = getElementByPoint;
-
-export async function getFilesFromEvent(e: ClipboardEvent | DragEvent, onlyTypes = false): Promise<any[]> {
-  const files: any[] = [];
-
-  const scanFiles = async(entry: any, item: DataTransferItem) => {
-    if(entry.isDirectory) {
-      const directoryReader = entry.createReader();
-      await new Promise<void>((resolve, reject) => {
-        directoryReader.readEntries(async(entries: any) => {
-          for(const entry of entries) {
-            await scanFiles(entry, item);
-          }
-
-          resolve();
-        });
-      });
-    } else if(entry) {
-      if(onlyTypes) {
-        files.push(entry.type);
-      } else {
-        const itemFile = item.getAsFile(); // * Safari can't handle entry.file with pasting
-        const file = entry instanceof File ? 
-          entry : 
-          (
-            entry instanceof DataTransferItem ? 
-              entry.getAsFile() : 
-              await new Promise((resolve, reject) => entry.file(resolve, (err: any) => resolve(itemFile)))
-          );
-
-        /* if(!onlyTypes) {
-          console.log('getFilesFromEvent: got file', item, file);
-        } */
-
-        if(!file) return;
-        files.push(file);
-      }
-    }
-  };
-
-  if(e instanceof DragEvent && e.dataTransfer.files && !e.dataTransfer.items) {
-    for(let i = 0; i < e.dataTransfer.files.length; i++) {
-      const file = e.dataTransfer.files[i];
-      files.push(onlyTypes ? file.type : file);
-    }
-  } else {
-    // @ts-ignore
-    const items = (e.dataTransfer || e.clipboardData || e.originalEvent.clipboardData).items;
-
-    const promises: Promise<any>[] = [];
-    for(let i = 0; i < items.length; ++i) {
-      const item: DataTransferItem = items[i];
-      if(item.kind === 'file') {
-        const entry = (onlyTypes ? item : item.webkitGetAsEntry()) || item.getAsFile();
-        promises.push(scanFiles(entry, item));
-      }
-    }
-    
-    await Promise.all(promises);
-  }
-
-  /* if(!onlyTypes) {
-    console.log('getFilesFromEvent: got files:', e, files);
-  } */
-  
-  return files;
-}
-
 /* export function radiosHandleChange(inputs: HTMLInputElement[], onChange: (value: string) => void) {
   inputs.forEach(input => {
     input.addEventListener('change', () => {
@@ -756,11 +681,13 @@ export function htmlToSpan(html: string) {
 }
 
 export function replaceContent(elem: HTMLElement, node: string | Node) {
-  if(elem.children.length === 1) {
-    elem.firstChild.remove();
+  // * children.length doesn't count text nodes
+  if(elem.children.length) {
+    elem.firstChild.replaceWith(node);
+  } else if(!elem.firstChild) {
+    elem.append(node);
   } else {
     elem.textContent = '';
-  }
-
     elem.append(node);
   }
+}

src/helpers/dom/getElementByPoint.ts

@@ -0,0 +1,17 @@
+/*
+ * https://github.com/morethanwords/tweb
+ * Copyright (C) 2019-2021 Eduard Kuzmenko
+ * https://github.com/morethanwords/tweb/blob/master/LICENSE
+ */
+
+import { MOUNT_CLASS_TO } from "../../config/debug";
+
+export function getElementByPoint(container: HTMLElement, verticalSide: 'top' | 'bottom', horizontalSide: 'center' | 'left'): HTMLElement {
+  //return null;
+  const rect = container.getBoundingClientRect();
+  const x = horizontalSide === 'center' ? Math.ceil(rect.left + ((rect.right - rect.left) / 2) + 1) : Math.ceil(rect.left + 1);
+  const y = verticalSide === 'bottom' ? Math.floor(rect.top + rect.height - 1) : Math.ceil(rect.top + 1);
+  return document.elementFromPoint(x, y) as any;
+};
+
+MOUNT_CLASS_TO.getElementByPoint = getElementByPoint;

src/helpers/files.ts

@@ -54,3 +54,69 @@ export function onVideoLoad(video: HTMLVideoElement) {
     video.addEventListener(isAppleMobile ? 'loadeddata' : 'canplay', () => resolve(), {once: true});
   });
 }
+
+export async function getFilesFromEvent(e: ClipboardEvent | DragEvent, onlyTypes = false): Promise<any[]> {
+  const files: any[] = [];
+
+  const scanFiles = async(entry: any, item: DataTransferItem) => {
+    if(entry.isDirectory) {
+      const directoryReader = entry.createReader();
+      await new Promise<void>((resolve, reject) => {
+        directoryReader.readEntries(async(entries: any) => {
+          for(const entry of entries) {
+            await scanFiles(entry, item);
+          }
+
+          resolve();
+        });
+      });
+    } else if(entry) {
+      if(onlyTypes) {
+        files.push(entry.type);
+      } else {
+        const itemFile = item.getAsFile(); // * Safari can't handle entry.file with pasting
+        const file = entry instanceof File ? 
+          entry : 
+          (
+            entry instanceof DataTransferItem ? 
+              entry.getAsFile() : 
+              await new Promise((resolve, reject) => entry.file(resolve, (err: any) => resolve(itemFile)))
+          );
+
+        /* if(!onlyTypes) {
+          console.log('getFilesFromEvent: got file', item, file);
+        } */
+
+        if(!file) return;
+        files.push(file);
+      }
+    }
+  };
+
+  if(e instanceof DragEvent && e.dataTransfer.files && !e.dataTransfer.items) {
+    for(let i = 0; i < e.dataTransfer.files.length; i++) {
+      const file = e.dataTransfer.files[i];
+      files.push(onlyTypes ? file.type : file);
+    }
+  } else {
+    // @ts-ignore
+    const items = (e.dataTransfer || e.clipboardData || e.originalEvent.clipboardData).items;
+
+    const promises: Promise<any>[] = [];
+    for(let i = 0; i < items.length; ++i) {
+      const item: DataTransferItem = items[i];
+      if(item.kind === 'file') {
+        const entry = (onlyTypes ? item : item.webkitGetAsEntry()) || item.getAsFile();
+        promises.push(scanFiles(entry, item));
+      }
+    }
+    
+    await Promise.all(promises);
+  }
+
+  /* if(!onlyTypes) {
+    console.log('getFilesFromEvent: got files:', e, files);
+  } */
+  
+  return files;
+}

src/helpers/schedulers.ts

@@ -37,7 +37,7 @@ export function debounce<F extends AnyToVoidFunction>(
   };
 }
 
-/* export function throttle<F extends AnyToVoidFunction>(
+export function throttle<F extends AnyToVoidFunction>(
   fn: F,
   ms: number,
   shouldRunFirst = true,
@@ -70,7 +70,7 @@ export function debounce<F extends AnyToVoidFunction>(
       }, ms);
     }
   };
-} */
+}
 
 /* export function throttleWithRaf<F extends AnyToVoidFunction>(fn: F) {
   return throttleWith(fastRaf, fn);
@@ -131,7 +131,7 @@ export function fastRaf(callback: NoneToVoidFunction) {
 }
 
 export function doubleRaf() {
-  return new Promise((resolve) => {
+  return new Promise<void>((resolve) => {
     fastRaf(() => {
       fastRaf(resolve);
     });

src/index.ts

@@ -58,9 +58,16 @@ console.timeEnd('get storage1'); */
     // @ts-ignore
     const w = window.visualViewport || window; // * handle iOS keyboard
     let setViewportVH = false;
+    let lastVH: number;
     const setVH = () => {
       // @ts-ignore
       const vh = (setViewportVH && !rootScope.default.overlayIsActive ? w.height || w.innerHeight : window.innerHeight) * 0.01;
+      if(lastVH === vh) {
+        return;
+      }
+
+      lastVH = vh;
+
       //const vh = document.documentElement.scrollHeight * 0.01;
       document.documentElement.style.setProperty('--vh', `${vh}px`);
 

src/lib/appManagers/appImManager.ts

@@ -24,7 +24,7 @@ import appPhotosManager from './appPhotosManager';
 import appProfileManager from './appProfileManager';
 import appStickersManager from './appStickersManager';
 import appWebPagesManager from './appWebPagesManager';
-import { blurActiveElement, cancelEvent, disableTransition, getFilesFromEvent, placeCaretAtEnd, whichChild } from '../../helpers/dom';
+import { blurActiveElement, cancelEvent, disableTransition, placeCaretAtEnd, whichChild } from '../../helpers/dom';
 import PopupNewMedia from '../../components/popups/newMedia';
 import MarkupTooltip from '../../components/chat/markupTooltip';
 import { isTouchSupported } from '../../helpers/touchSupport';
@@ -47,6 +47,7 @@ import { i18n } from '../langPack';
 import { SendMessageAction } from '../../layer';
 import { highlightningColor } from '../../helpers/color';
 import { getObjectKeysAndSort } from '../../helpers/object';
+import { getFilesFromEvent } from '../../helpers/files';
 
 //console.log('appImManager included33!');
 

src/lib/appManagers/appMessagesManager.ts

@@ -67,6 +67,7 @@ export type HistoryStorage = {
   readPromise?: Promise<void>,
   readMaxId?: number,
   readOutboxMaxId?: number,
+  triedToReadMaxId?: number,
 
   maxOutId?: number,
   reply_markup?: any
@@ -3433,7 +3434,7 @@ export class AppMessagesManager {
               if((message.totalEntities as MessageEntity[]).find(e => goodEntities.includes(e._)) || RichTextProcessor.matchUrl(message.message)) {
                 found = true;
               }
-            } else if(neededContents['avatar'] && message.action && ['messageActionChannelEditPhoto', 'messageActionChatEditPhoto'].includes(message.action._)) {
+            } else if(neededContents['avatar'] && message.action && ['messageActionChannelEditPhoto', 'messageActionChatEditPhoto', 'messageActionChannelEditVideo', 'messageActionChatEditVideo'].includes(message.action._)) {
               found = true;
             }/*  else if(neededFlags.find(flag => message.pFlags[flag])) {
               found = true;
@@ -3471,9 +3472,12 @@ export class AppMessagesManager {
       });
     }
 
+    const canCache = (['inputMessagesFilterChatPhotos', 'inputMessagesFilterPinned'] as MyInputMessagesFilter[]).includes(inputFilter._);
+    const method = (canCache ? apiManager.invokeApiCacheable : apiManager.invokeApi).bind(apiManager);
+
     let apiPromise: Promise<any>;
     if(peerId && !nextRate && folderId === undefined/*  || !query */) {
-      apiPromise = apiManager.invokeApi('messages.search', {
+      apiPromise = method('messages.search', {
         peer: appPeersManager.getInputPeerById(peerId),
         q: query || '',
         filter: inputFilter as any as MessagesFilter,
@@ -3502,7 +3506,7 @@ export class AppMessagesManager {
         offsetPeerId = this.getMessagePeer(offsetMessage);
       }
 
-      apiPromise = apiManager.invokeApi('messages.searchGlobal', {
+      apiPromise = method('messages.searchGlobal', {
         q: query,
         filter: inputFilter as any as MessagesFilter,
         min_date: minDate,
@@ -3729,9 +3733,12 @@ export class AppMessagesManager {
       return Promise.resolve();
     }
 
-    const isChannel = appPeersManager.isChannel(peerId);
     const historyStorage = this.getHistoryStorage(peerId, threadId);
 
+    if(historyStorage.triedToReadMaxId >= maxId) {
+      return Promise.resolve();
+    }
+
     let apiPromise: Promise<any>;
     if(threadId) {
       if(!historyStorage.readPromise) {
@@ -3751,7 +3758,7 @@ export class AppMessagesManager {
           read_max_id: maxId
         } as Update.updateReadChannelDiscussionInbox
       });
-    } else if(isChannel) {
+    } else if(appPeersManager.isChannel(peerId)) {
       if(!historyStorage.readPromise) {
         apiPromise = apiManager.invokeApi('channels.readHistory', {
           channel: appChatsManager.getChannelInput(-peerId),
@@ -3811,6 +3818,8 @@ export class AppMessagesManager {
       return historyStorage.readPromise;
     }
 
+    historyStorage.triedToReadMaxId = maxId;
+
     apiPromise.finally(() => {
       delete historyStorage.readPromise;
 

src/lib/appManagers/appPhotosManager.ts

@@ -133,7 +133,7 @@ export class AppPhotosManager {
   
   public getUserPhotos(userId: number, maxId: string = '0', limit: number = 20) {
     const inputUser = appUsersManager.getUserInput(userId);
-    return apiManager.invokeApi('photos.getUserPhotos', {
+    return apiManager.invokeApiCacheable('photos.getUserPhotos', {
       user_id: inputUser,
       offset: 0,
       limit,
@@ -204,13 +204,13 @@ export class AppPhotosManager {
     return thumb.url ?? (defineNotNumerableProperties(thumb, ['url']), thumb.url = this.getPreviewURLFromBytes(thumb.bytes, isSticker));
   }
   
-  public getImageFromStrippedThumb(thumb: PhotoSize.photoCachedSize | PhotoSize.photoStrippedSize) {
+  public getImageFromStrippedThumb(thumb: PhotoSize.photoCachedSize | PhotoSize.photoStrippedSize, useBlur: boolean) {
     const url = this.getPreviewURLFromThumb(thumb, false);
 
     const image = new Image();
     image.classList.add('thumbnail');
 
-    const loadPromise = blur(url).then(url => {
+    const loadPromise = (useBlur ? blur(url) : Promise.resolve(url)).then(url => {
       return new Promise<any>((resolve) => {
         renderImageFromUrl(image, url, resolve);
       });
@@ -252,7 +252,7 @@ export class AppPhotosManager {
     return photoSize;
   }
 
-  public getStrippedThumbIfNeeded(photo: MyPhoto | MyDocument): ReturnType<AppPhotosManager['getImageFromStrippedThumb']> {
+  public getStrippedThumbIfNeeded(photo: MyPhoto | MyDocument, useBlur: boolean): ReturnType<AppPhotosManager['getImageFromStrippedThumb']> {
     if(!photo.downloaded || (photo as MyDocument).type === 'video' || (photo as MyDocument).type === 'gif') {
       if(photo._ === 'document') {
         const cacheContext = this.getCacheContext(photo); 
@@ -264,7 +264,7 @@ export class AppPhotosManager {
       const sizes = (photo as MyPhoto).sizes || (photo as MyDocument).thumbs;
       const thumb = sizes?.length ? sizes.find(size => size._ === 'photoStrippedSize') : null;
       if(thumb && ('bytes' in thumb)) {
-        return appPhotosManager.getImageFromStrippedThumb(thumb as any);
+        return appPhotosManager.getImageFromStrippedThumb(thumb as any, useBlur);
       }
     }
 

src/lib/appManagers/appProfileManager.ts

@@ -11,7 +11,9 @@
 
 import { MOUNT_CLASS_TO } from "../../config/debug";
 import { tsNow } from "../../helpers/date";
+import { replaceContent } from "../../helpers/dom";
 import renderImageFromUrl from "../../helpers/dom/renderImageFromUrl";
+import sequentialDom from "../../helpers/sequentialDom";
 import { ChannelParticipantsFilter, ChannelsChannelParticipants, ChatFull, ChatParticipants, ChatPhoto, ExportedChatInvite, InputChannel, InputFile, InputFileLocation, PhotoSize, UserFull, UserProfilePhoto } from "../../layer";
 //import apiManager from '../mtproto/apiManager';
 import apiManager from '../mtproto/mtprotoworker';
@@ -504,8 +506,7 @@ export class AppProfileManager {
     if(!needFadeIn) {
       // смотри в misc.ts: renderImageFromUrl
       callback = () => {
-        div.innerHTML = '';
-        div.append(img);
+        replaceContent(div, img);
         div.dataset.color = '';
       };
     } else {
@@ -515,15 +516,16 @@ export class AppProfileManager {
       }
 
       callback = () => {
-        div.innerHTML = '';
-        div.append(img);
+        replaceContent(div, img);
 
         setTimeout(() => {
           if(div.childElementCount) {
             div.dataset.color = '';
 
             if(animate) {
+              sequentialDom.mutateElement(img, () => {
                 img.classList.remove('fade-in');
+              });
             }
           }
         }, animate ? 200 : 0);
@@ -554,7 +556,7 @@ export class AppProfileManager {
 
     //console.log('loadDialogPhoto location:', location, inputPeer);
     if(peerId === myId && isDialog) {
-      div.innerHTML = '';
+      div.innerText = '';
       div.dataset.color = '';
       div.classList.add('tgico-saved');
       div.classList.remove('tgico-deletedaccount');
@@ -564,7 +566,7 @@ export class AppProfileManager {
     if(peerId > 0) {
       const user = appUsersManager.getUser(peerId);
       if(user && user.pFlags && user.pFlags.deleted) {
-        div.innerHTML = '';
+        div.innerText = '';
         div.dataset.color = appPeersManager.getPeerColorById(peerId);
         div.classList.add('tgico-deletedaccount');
         div.classList.remove('tgico-saved');
@@ -578,7 +580,7 @@ export class AppProfileManager {
         color = appPeersManager.getPeerColorById(peerId);
       }
       
-      div.innerHTML = '';
+      div.innerText = '';
       div.classList.remove('tgico-saved', 'tgico-deletedaccount');
       div.dataset.color = color;
 

src/lib/appManagers/appStateManager.ts

@@ -170,9 +170,9 @@ export class AppStateManager extends EventListenerBase<{
 
         const time = Date.now();
         if(state) {
-          if(state.version !== STATE_VERSION) {
+          /* if(state.version !== STATE_VERSION) {
             state = copy(STATE_INIT);
-          } else if((state.stateCreatedTime + REFRESH_EVERY) < time/*  || true *//*  && false */) {
+          } else  */if((state.stateCreatedTime + REFRESH_EVERY) < time/*  || true *//*  && false */) {
             if(DEBUG) {
               this.log('will refresh state', state.stateCreatedTime, time);
             }

src/scss/partials/_chatBubble.scss

@@ -2017,11 +2017,13 @@ $bubble-margin: .25rem;
 
       &-answer-selected {
         background-color: var(--message-out-primary-color);
+        color: var(--message-out-background-color);
       }
 
       html.no-touch &-answer:hover {
         .animation-ring {
-          background-color: rgba(79, 174, 78, .08);
+          background-color: var(--message-out-primary-color);
+          opacity: .08;
         }
       }
 

src/scss/partials/_poll.scss

@@ -55,10 +55,9 @@ poll-element {
       color: var(--primary-color);
       cursor: pointer;
       transform: scale(1);
-      transition: transform .2s ease;
       
-      body.animation-level-0 & {
-        transition: none;
+      @include animation-level(2) {
+        transition: transform .2s ease;
       }
 
       // @include respond-to(handhelds) {
@@ -100,7 +99,6 @@ poll-element {
         font-weight: 500;
         margin-top: 7px;
         font-size: 14px;
-        transition: .34s opacity;
         margin-left: -9px;
         text-align: right;
         width: 40px;
@@ -117,10 +115,7 @@ poll-element {
         width: 16px;
         font-weight: bold;
         font-size: .75rem;
-        opacity: 0;
-        animation: fade-in-opacity .1s ease forwards;
-        animation-direction: reverse;
-        animation-delay: .24s;
+        opacity: 1;
         display: flex;
         align-items: center;
         justify-content: center;
@@ -148,15 +143,17 @@ poll-element {
 
       &:not(.is-correct):not(.is-chosen) {
         .poll-answer-selected {
-          display: none;
+          opacity: 0;
         }
       }
 
       // Multiple answers
       &.is-chosing {
+        .circle-hover {
           .poll-answer-selected {
             opacity: 1;
           }
+        }
 
         & ~ .poll-footer {
           .poll-send-vote {
@@ -238,11 +235,11 @@ poll-element {
     &-answer {
       &.is-chosen:not(.is-correct) {
         use {
-          stroke: #DF3F40;
+          stroke: var(--danger-color);
         }
 
         .poll-answer-selected {
-          background: #DF3F40;
+          background: var(--danger-color);
           //line-height: 16px;
 
           &:before {
@@ -278,7 +275,6 @@ poll-element {
     left: -1px;
     top: -1px;
     transform: scale(1);
-    transition: .1s transform;
 
     .poll-answer-selected {
       display: flex!important;
@@ -300,10 +296,13 @@ poll-element {
     border-radius: 50%;
     height: 34px;
     width: 34px;
-    transition: transform .12s;
-    background-color: #f4f4f4;
+    background-color: var(--light-secondary-text-color);
     transform: scale(.1);
     visibility: hidden;
+
+    @include animation-level(2) {
+      transition: transform .12s ease;
+    }
   }
 
   .progress-ring {
@@ -315,12 +314,11 @@ poll-element {
     &__circle {
       transform-origin: center;
       transform: rotate(-90deg);
-      transition: stroke-dashoffset .15s;
       stroke-dasharray: 56.5487, 56.5487;
       stroke-dashoffset: 0;
       stroke-opacity: 1;
       stroke-width: 2;
-      stroke: var(--border-color);
+      stroke: var(--poll-circle-color);
       fill: transparent;
     }
   }
@@ -333,10 +331,6 @@ poll-element {
     .poll-answer-percents {
       opacity: 1;
     }
-
-    .poll-answer-selected {
-      animation-direction: normal;
-    }
   }
 
   &.is-retracting {
@@ -353,6 +347,29 @@ poll-element {
     .poll-line {
       transition: stroke-dashoffset .34s linear, stroke-dasharray .34s linear;
     }
+
+    .poll-answer-selected {
+      transition-delay: .24s;
+      transition: opacity .1s ease forwards;
+    }
+
+    &.is-retracting {
+      .poll-answer-selected {
+        transition-delay: 0s;
+      }
+    }
+
+    .poll-answer-percents {
+      transition: .34s opacity;
+    }
+
+    .progress-ring__circle {
+      transition: stroke-dashoffset .15s;
+    }
+
+    .circle-hover {
+      transition: .1s transform;
+    }
   }
 }
 

src/scss/style.scss

@@ -42,8 +42,8 @@ $chat-padding-handhelds: .5rem;
   --hover-alpha: #{$hover-alpha};
 
   --transition-standard-easing: cubic-bezier(.4, .0, .2, 1);
-  --transition-standard-in-time: .25s;
-  --transition-standard-out-time: .2s;
+  --transition-standard-in-time: .3s;
+  --transition-standard-out-time: .25s;
   --transition-standard-in: var(--transition-standard-in-time) var(--transition-standard-easing);
   --transition-standard-out: var(--transition-standard-out-time) var(--transition-standard-easing);
   
@@ -149,6 +149,7 @@ $chat-padding-handhelds: .5rem;
   --badge-text-color: #fff;
   --link-color: #00488f;
   --ripple-color: rgba(0, 0, 0, .08);
+  --poll-circle-color: var(--border-color);
 
   --message-background-color: var(--surface-color);
   --message-checkbox-color: #61c642;
@@ -192,6 +193,7 @@ html.night {
   --badge-text-color: #fff;
   --link-color: var(--primary-color);
   --ripple-color: rgba(255, 255, 255, .08);
+  --poll-circle-color: #fff;
 
   --message-background-color: var(--surface-color);
   --message-checkbox-color: var(--primary-color);