Fix blinking chat in Firefox

Replaced description in delete messages popup

src/components/popups/deleteMessages.ts

@@ -12,6 +12,7 @@ import PopupPeer, { PopupPeerButtonCallbackCheckboxes, PopupPeerOptions } from "
 import { ChatType } from "../chat/chat";
 import { i18n, LangPackKey } from "../../lib/langPack";
 import PeerTitle from "../peerTitle";
+import appPeersManager from "../../lib/appManagers/appPeersManager";
 
 export default class PopupDeleteMessages {
   constructor(peerId: number, mids: number[], type: ChatType, onConfirm?: () => void) {
@@ -35,7 +36,11 @@ export default class PopupDeleteMessages {
       titleArgs = [i18n('messages', [mids.length])];
     }
     
+    if(appPeersManager.isMegagroup(peerId)) {
+      description = mids.length === 1 ? 'AreYouSureDeleteSingleMessageMega' : 'AreYouSureDeleteFewMessagesMega';
+    } else {
       description = mids.length === 1 ? 'AreYouSureDeleteSingleMessage' : 'AreYouSureDeleteFewMessages';
+    }
 
     buttons = [{
       langKey: 'Delete',

src/components/transition.ts

@@ -194,6 +194,13 @@ const Transition = (
 
     if(!animate) {
       if(from) from.classList.remove('active', 'to', 'from');
+      else if(to) { // fix instant opening back from closed slider (e.g. instant closening and opening right sidebar)
+        const callback = onTransitionEndCallbacks.get(to);
+        if(callback) {
+          callback();
+        }
+      }
+
       if(to) {
         to.classList.remove('to', 'from');
         to.classList.add('active');
@@ -264,6 +271,7 @@ const Transition = (
         const timeout = window.setTimeout(callback, transitionTime);
         onTransitionEndCallbacks.set(_from, () => {
           clearTimeout(timeout);
+          onTransitionEndCallbacks.delete(_from);
         });
       }
 

src/index.ts

@@ -164,6 +164,10 @@ console.timeEnd('get storage1'); */
       }
     });
 
+    if(userAgent.isFirefox) {
+      document.documentElement.classList.add('is-firefox');
+    }
+
     if(userAgent.isApple) {
       if(userAgent.isSafari) {
         document.documentElement.classList.add('is-safari');

src/lib/appManagers/appImManager.ts

@@ -1040,16 +1040,17 @@ export class AppImManager {
 
     this.log('selectTab', id, prevTabId);
 
-    let animationPromise: Promise<any> = doubleRaf();
+    let animationPromise: Promise<any> = rootScope.settings.animationsEnabled ? doubleRaf() : Promise.resolve();
     if(prevTabId !== -1 && prevTabId !== id && rootScope.settings.animationsEnabled && animate !== false) {
       const transitionTime = (mediaSizes.isMobile ? 250 : 200) + 100; // * cause transition time could be > 250ms
       animationPromise = pause(transitionTime);
       dispatchHeavyAnimationEvent(animationPromise, transitionTime);
 
-      this.columnEl.classList.add('disable-hover');
+      // ! it's very heavy operation. will blink in firefox
+      /* this.columnEl.classList.add('disable-hover');
       animationPromise.finally(() => {
         this.columnEl.classList.remove('disable-hover');
-      });
+      }); */
     }
 
     this.tabId = id;

src/scss/partials/_chat.scss

@@ -28,7 +28,7 @@ $chat-helper-size: 36px;
 	flex: 0 0 auto;
 	position: relative;
 	transition: transform var(--transition-standard-out);
-	transform: translateY(var(--translateY));
+	transform: translate3d(0, var(--translateY), 0);
 
 	/* body.is-keyboard-opened & {
 		--bottom: var(--padding-bottom);
@@ -1001,7 +1001,7 @@ $chat-helper-size: 36px;
 	flex: 1 1 auto;
 	position: relative;
 
-	transform: translateY(var(--translateY));
+	transform: translate3d(0, var(--translateY), 0);
 	transition: transform var(--transition-standard-out);
 	
 	@include animation-level(0) {

src/scss/partials/_chatBubble.scss

@@ -2036,7 +2036,7 @@ $bubble-margin: .25rem;
       color: var(--message-out-primary-color);
     }
 
-    &-wrapper {
+    /* html:not(.is-firefox) */ &-wrapper {
       @include respond-to(medium-screens) {
         transform: scale(1) translateX(calc((var(--chat-input-size) + #{$btn-send-margin}) * -1));