Multiple Tabs: Introduce Multiple Tabs Support (#2221)

.eslintrc

@@ -9,9 +9,15 @@
     "jsx-expressions",
     "no-async-without-await",
     "teactn",
-    "no-null"
+    "no-null",
+    "eslint-multitab-tt"
   ],
   "rules": {
+    "eslint-multitab-tt/no-immediate-global": "error",
+    "eslint-multitab-tt/must-update-global-after-await": "off",
+    "eslint-multitab-tt/set-global-only-variable": "error",
+    "eslint-multitab-tt/no-getactions-in-actions": "error",
+    "eslint-multitab-tt/must-specify-action-handler-return-type": "error",
     "indent": [
       "error",
       2,

dev/eslint-multitab/.eslintrc.js

@@ -0,0 +1,19 @@
+"use strict";
+
+module.exports = {
+  root: true,
+  extends: [
+    "eslint:recommended",
+    "plugin:eslint-plugin/recommended",
+    "plugin:node/recommended",
+  ],
+  env: {
+    node: true,
+  },
+  overrides: [
+    {
+      files: ["tests/**/*.js"],
+      env: { mocha: true },
+    },
+  ],
+};

dev/eslint-multitab/lib/index.js

@@ -0,0 +1,22 @@
+/**
+ * @fileoverview eslint-multitab-tt
+ * @author undrfined
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const requireIndex = require("requireindex");
+
+//------------------------------------------------------------------------------
+// Plugin Definition
+//------------------------------------------------------------------------------
+
+
+// import all rules in lib/rules
+module.exports.rules = requireIndex(__dirname + "/rules");
+
+
+

dev/eslint-multitab/lib/rules/must-specify-action-handler-return-type.js

@@ -0,0 +1,39 @@
+/**
+ * @fileoverview Must specify action handler return type
+ * @author undrfined
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+/** @type {import('eslint').Rule.RuleModule} */
+module.exports = {
+  meta: {
+    type: "problem",
+    docs: {
+      description: "Must specify action handler return type",
+      recommended: false,
+      url: null,
+    },
+    fixable: null,
+    schema: [],
+    messages: {
+      mustSpecifyActionHandlerReturnType: "Must specify action handler return type",
+    }
+  },
+
+  create(context) {
+    return {
+      ArrowFunctionExpression: (node) => {
+        if(node.parent.type === "CallExpression" && node.parent.callee.name === 'addActionHandler' && !node.returnType) {
+          context.report({
+            node,
+            messageId: "mustSpecifyActionHandlerReturnType",
+          })
+        }
+      }
+    };
+  },
+};

dev/eslint-multitab/lib/rules/must-update-global-after-await.js

@@ -0,0 +1,108 @@
+/**
+ * @fileoverview Must update global after await
+ * @author undrfined
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+/** @type {import('eslint').Rule.RuleModule} */
+// TODO This rule is not working properly
+module.exports = {
+  meta: {
+    type: "problem",
+    docs: {
+      description: "Must update global after await",
+      recommended: false,
+      url: null,
+    },
+    fixable: null,
+    schema: [],
+    messages: {
+      mustUpdateGlobalAfterAwait: "Global is outdated because of await here -> {{before}}, use global = getGlobal() to update",
+    }
+  },
+
+  create(context) {
+    let hasAssignmentOnBlockLevel;
+    let blocks = 0;
+    let d;
+    let hasAwait = false;
+    let hasAwaitOnBlockLevel;
+    let assigned;
+
+    //----------------------------------------------------------------------
+    // Helpers
+    //----------------------------------------------------------------------
+    function endFunction() {
+      hasAwait = false;
+      assigned = undefined;
+      d = undefined;
+      hasAssignmentOnBlockLevel = undefined;
+      hasAwaitOnBlockLevel = undefined;
+    }
+
+    //----------------------------------------------------------------------
+    // Public
+    //----------------------------------------------------------------------
+
+    return {
+      'FunctionDeclaration:exit': endFunction,
+      'FunctionExpression:exit': endFunction,
+      'ArrowFunctionExpression:exit': endFunction,
+      'AwaitExpression:exit': (node) => {
+        if(!node) return;
+        hasAwait = true;
+        hasAwaitOnBlockLevel = blocks;
+        d = node;
+      },
+      'BlockStatement': () => {
+        blocks += 1;
+      },
+      'BlockStatement:exit': () => {
+        blocks -= 1;
+        if(hasAwaitOnBlockLevel && blocks === hasAwaitOnBlockLevel) {
+          hasAwaitOnBlockLevel = undefined;
+        }
+      },
+      'ReturnStatement:exit': (node) => {
+        if(hasAwait && hasAwaitOnBlockLevel && blocks === hasAwaitOnBlockLevel && node.parent.type === 'BlockExpression') {
+          endFunction();
+        }
+      },
+      'AssignmentExpression': (node) => {
+        if(node.left.type !== "Identifier" || node.left.name !== "global") return;
+        if(node.right.type !== "CallExpression" || node.right.callee.name !== "getGlobal") return;
+
+        if(hasAwaitOnBlockLevel && blocks === hasAwaitOnBlockLevel) {
+          hasAwait = false;
+          hasAwaitOnBlockLevel = undefined;
+          d = undefined;
+        } else {
+          hasAssignmentOnBlockLevel = blocks;
+          assigned = node;
+        }
+      },
+      Identifier: (node) => {
+        if(node.name !== "global") return;
+        if(node.parent === assigned) return;
+        if(hasAwait) {
+          if(hasAssignmentOnBlockLevel !== undefined && hasAssignmentOnBlockLevel <= blocks) {
+            endFunction();
+            return;
+          }
+          context.report({
+            node,
+            messageId: "mustUpdateGlobalAfterAwait",
+            data: {
+              before: d ? d.loc.start.line + ':' + d.loc.start.column : 'unknown'
+            },
+          })
+        }
+      },
+      "Program:exit": endFunction,
+    };
+  },
+};

dev/eslint-multitab/lib/rules/no-getactions-in-actions.js

@@ -0,0 +1,40 @@
+/**
+ * @fileoverview Forbid usage of getActions in actions
+ * @author undrfined
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+/** @type {import('eslint').Rule.RuleModule} */
+module.exports = {
+  meta: {
+    type: "problem",
+    docs: {
+      description: "Forbid usage of getActions in action handlers",
+      recommended: false,
+      url: null,
+    },
+    fixable: null,
+    schema: [],
+    messages: {
+      noGetActionsInActions: "Do not use getActions inside action handlers, instead use the second argument of the action handler",
+    }
+  },
+
+  create(context) {
+    return {
+      CallExpression: (node) => {
+        if(!context.getPhysicalFilename().substring(context.getCwd().length).startsWith('/src/global')) return;
+        if(node.callee.name === 'getActions') {
+          context.report({
+            node,
+            messageId: 'noGetActionsInActions',
+          })
+        }
+      }
+    };
+  },
+};

dev/eslint-multitab/lib/rules/no-immediate-global.js

@@ -0,0 +1,42 @@
+/**
+ * @fileoverview No immediate global
+ * @author undrfined
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+/** @type {import('eslint').Rule.RuleModule} */
+module.exports = {
+  meta: {
+    type: "problem",
+    docs: {
+      description: "No immediate global",
+      recommended: false,
+      url: null,
+    },
+    fixable: null,
+    schema: [],
+    messages: {
+      noImmediateGlobal: "Only use getGlobal() to assign to global variable",
+    }
+  },
+
+  create(context) {
+    return {
+      CallExpression: (node) => {
+        if(!context.getPhysicalFilename().substring(context.getCwd().length).startsWith('/src/global')) return;
+        if(node.callee.name === 'getGlobal'
+            && node.parent.type !== 'AssignmentExpression'
+        ) {
+          context.report({
+            node,
+            messageId: "noImmediateGlobal",
+          })
+        }
+      }
+    };
+  },
+};

dev/eslint-multitab/lib/rules/set-global-only-variable.js

@@ -0,0 +1,53 @@
+/**
+ * @fileoverview setGlobal must only be used with 'global' variable
+ * @author undrfined
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+/** @type {import('eslint').Rule.RuleModule} */
+module.exports = {
+  meta: {
+    type: "problem",
+    docs: {
+      description: "setGlobal must only be used with 'global' variable",
+      recommended: false,
+      url: null,
+    },
+    fixable: null,
+    schema: [],
+    hasSuggestions: true,
+    messages: {
+      setGlobalOnlyVariable: "setGlobal must only be used with 'global' variable",
+    }
+  },
+
+  create(context) {
+    return {
+      CallExpression: (node) => {
+        if(node.callee.name === 'setGlobal') {
+          if(node.arguments[0] && node.arguments[0].type !== 'Identifier' || node.arguments[0].name !== 'global') {
+            context.report({
+              node,
+              messageId: 'setGlobalOnlyVariable',
+              ...(node.parent.type === 'ExpressionStatement' && {
+                suggest: [{
+                  desc: "Move the global assignment before the setGlobal call",
+                  *fix(fixer) {
+                    const sc = context.getSourceCode();
+                    const parent = node.parent;
+                    yield fixer.insertTextBefore(parent, 'global = ' + sc.getText(node.arguments[0]) + ';\n');
+                    yield fixer.replaceText(node.arguments[0], 'global');
+                  },
+                }]
+              }),
+            })
+          }
+        }
+      }
+    };
+  },
+};

dev/eslint-multitab/package.json

@@ -0,0 +1,39 @@
+{
+  "name": "eslint-plugin-eslint-multitab-tt",
+  "version": "0.0.0",
+  "description": "eslint-multitab-tt",
+  "keywords": [
+    "eslint",
+    "eslintplugin",
+    "eslint-plugin"
+  ],
+  "author": "undrfined",
+  "main": "./lib/index.js",
+  "exports": "./lib/index.js",
+  "scripts": {
+    "lint": "npm-run-all \"lint:*\"",
+    "lint:eslint-docs": "npm-run-all \"update:eslint-docs -- --check\"",
+    "lint:js": "eslint .",
+    "test": "mocha tests --recursive",
+    "update:eslint-docs": "eslint-doc-generator"
+  },
+  "dependencies": {
+    "requireindex": "^1.2.0"
+  },
+  "devDependencies": {
+    "chalk": "^5.2.0",
+    "eslint": "^8.19.0",
+    "eslint-doc-generator": "^1.0.0",
+    "eslint-plugin-eslint-plugin": "^5.0.0",
+    "eslint-plugin-node": "^11.1.0",
+    "mocha": "^10.0.0",
+    "npm-run-all": "^4.1.5"
+  },
+  "engines": {
+    "node": "^14.17.0 || ^16.0.0 || >= 18.0.0"
+  },
+  "peerDependencies": {
+    "eslint": ">=7"
+  },
+  "license": "ISC"
+}

package.json

@@ -25,7 +25,8 @@
     "test:record": "playwright codegen localhost:1235",
     "prepare": "husky install",
     "statoscope:validate": "statoscope validate --input  public/build-stats.json",
-    "statoscope:validate-diff": "statoscope validate --input input.json --reference reference.json"
+    "statoscope:validate-diff": "statoscope validate --input input.json --reference reference.json",
+    "postinstall": "(cd dev/eslint-multitab && npm i)"
   },
   "engines": {
     "node": "^18",
@@ -76,6 +77,7 @@
     "eslint-config-airbnb-typescript": "^17.0.0",
     "eslint-config-react-app": "^7.0.1",
     "eslint-import-resolver-webpack": "^0.13.2",
+    "eslint-plugin-eslint-multitab-tt": "file:dev/eslint-multitab",
     "eslint-plugin-flowtype": "^8.0.3",
     "eslint-plugin-import": "^2.26.0",
     "eslint-plugin-jsx-a11y": "^6.6.1",

src/App.tsx

@@ -6,13 +6,16 @@ import type { GlobalState } from './global/types';
 import type { UiLoaderPage } from './components/common/UiLoader';
 
 import { INACTIVE_MARKER, PAGE_TITLE } from './config';
-import { PLATFORM_ENV } from './util/environment';
+import { IS_MULTITAB_SUPPORTED, PLATFORM_ENV } from './util/environment';
+import { selectTabState } from './global/selectors';
 import { updateSizes } from './util/windowSize';
 import { addActiveTabChangeListener } from './util/activeTabMonitor';
 import { hasStoredSession } from './util/sessions';
 import buildClassName from './util/buildClassName';
+import { parseInitialLocationHash } from './util/routing';
 import useFlag from './hooks/useFlag';
 import usePrevious from './hooks/usePrevious';
+import useAppLayout from './hooks/useAppLayout';
 
 import Auth from './components/auth/Auth';
 import Main from './components/main/Main.async';
@@ -20,14 +23,13 @@ import LockScreen from './components/main/LockScreen.async';
 import AppInactive from './components/main/AppInactive';
 import Transition from './components/ui/Transition';
 import UiLoader from './components/common/UiLoader';
-import { parseInitialLocationHash } from './util/routing';
-import useAppLayout from './hooks/useAppLayout';
 // import Test from './components/test/TestNoRedundancy';
 
 type StateProps = {
   authState: GlobalState['authState'];
   isScreenLocked?: boolean;
   hasPasscode?: boolean;
+  isInactiveAuth?: boolean;
   hasWebAuthTokenFailed?: boolean;
 };
 
@@ -43,23 +45,14 @@ const App: FC<StateProps> = ({
   isScreenLocked,
   hasPasscode,
   hasWebAuthTokenFailed,
+  isInactiveAuth,
 }) => {
   const { disconnect } = getActions();
 
-  const [isInactive, markInactive] = useFlag(false);
+  const [isInactive, markInactive, unmarkInactive] = useFlag(false);
   const { isMobile } = useAppLayout();
   const isMobileOs = PLATFORM_ENV === 'iOS' || PLATFORM_ENV === 'Android';
 
-  useEffect(() => {
-    updateSizes();
-    addActiveTabChangeListener(() => {
-      disconnect();
-      document.title = `${PAGE_TITLE}${INACTIVE_MARKER}`;
-
-      markInactive();
-    });
-  }, [disconnect, markInactive]);
-
   // Prevent drop on elements that do not accept it
   useEffect(() => {
     const body = document.body;
@@ -144,13 +137,35 @@ const App: FC<StateProps> = ({
     activeKey = AppScreens.main;
   }
 
+  useEffect(() => {
+    updateSizes();
+
+    if (IS_MULTITAB_SUPPORTED) return;
+
+    addActiveTabChangeListener(() => {
+      disconnect();
+      document.title = `${PAGE_TITLE}${INACTIVE_MARKER}`;
+
+      markInactive();
+    });
+  }, [activeKey, disconnect, markInactive]);
+
+  useEffect(() => {
+    if (isInactiveAuth) {
+      document.title = `${PAGE_TITLE}${INACTIVE_MARKER}`;
+      markInactive();
+    } else {
+      unmarkInactive();
+    }
+  }, [isInactiveAuth, markInactive, unmarkInactive]);
+
   const prevActiveKey = usePrevious(activeKey);
 
   // eslint-disable-next-line consistent-return
-  function renderContent(isActive: boolean) {
+  function renderContent() {
     switch (activeKey) {
       case AppScreens.auth:
-        return <Auth isActive={isActive} />;
+        return <Auth />;
       case AppScreens.main:
         return <Main isMobile={isMobile} />;
       case AppScreens.lock:
@@ -183,6 +198,7 @@ export default withGlobal(
       authState: global.authState,
       isScreenLocked: global.passcode?.isScreenLocked,
       hasPasscode: global.passcode?.hasPasscode,
+      isInactiveAuth: selectTabState(global).isInactive,
       hasWebAuthTokenFailed: global.hasWebAuthTokenFailed || global.hasWebAuthTokenPasswordRequired,
     };
   },

src/api/gramjs/index.ts

@@ -1,2 +1,8 @@
 // export { initApi, callApi, cancelApiProgress } from './provider';
-export { initApi, callApi, cancelApiProgress } from './worker/provider';
+export {
+  initApi, callApi, cancelApiProgress, cancelApiProgressMaster, callApiLocal,
+  handleMethodCallback,
+  handleMethodResponse,
+  updateFullLocalDb,
+  updateLocalDb,
+} from './worker/provider';

src/api/gramjs/localDb.ts

@@ -1,7 +1,15 @@
+import BigInt from 'big-integer';
 import type { Api as GramJs } from '../../lib/gramjs';
 import type { ApiMessage } from '../types';
+import { omitVirtualClassFields } from './apiBuilders/helpers';
+import { DATA_BROADCAST_CHANNEL_NAME } from '../../config';
+import { constructors } from '../../lib/gramjs/tl';
+import { throttle } from '../../util/schedulers';
 
-interface LocalDb {
+// eslint-disable-next-line no-restricted-globals
+const IS_MULTITAB_SUPPORTED = 'BroadcastChannel' in self;
+
+export interface LocalDb {
   localMessages: Record<string, ApiMessage>;
   // Used for loading avatars and media through in-memory Gram JS instances.
   chats: Record<string, GramJs.Chat | GramJs.Channel>;
@@ -13,21 +21,99 @@ interface LocalDb {
   webDocuments: Record<string, GramJs.TypeWebDocument>;
 }
 
-const LOCAL_DB_INITIAL = {
+const channel = IS_MULTITAB_SUPPORTED ? new BroadcastChannel(DATA_BROADCAST_CHANNEL_NAME) : undefined;
-  localMessages: {},
-  chats: {},
-  users: {},
-  messages: {},
-  documents: {},
-  stickerSets: {},
-  photos: {},
-  webDocuments: {},
-};
 
-const localDb: LocalDb = LOCAL_DB_INITIAL;
+let batchedUpdates: {
+  name: string;
+  prop: string;
+  value: any;
+}[] = [];
+const throttledLocalDbUpdate = throttle(() => {
+  channel!.postMessage({
+    type: 'localDbUpdate',
+    batchedUpdates,
+  });
+  batchedUpdates = [];
+}, 100);
+
+function createProxy(name: string, object: any) {
+  return new Proxy(object, {
+    get(target, prop: string, value: any) {
+      return Reflect.get(target, prop, value);
+    },
+    set(target, prop: string, value: any) {
+      batchedUpdates.push({ name, prop, value });
+      throttledLocalDbUpdate();
+      return Reflect.set(target, prop, value);
+    },
+  });
+}
+
+function convertToVirtualClass(value: any): any {
+  if (value instanceof Uint8Array) return Buffer.from(value);
+  if (typeof value === 'object' && Object.keys(value).length === 1 && Object.keys(value)[0] === 'value') {
+    return BigInt(value.value);
+  }
+
+  if (Array.isArray(value)) {
+    return value.map(convertToVirtualClass);
+  }
+
+  if (typeof value !== 'object' || !('CONSTRUCTOR_ID' in value)) {
+    return value;
+  }
+  const path = value.className.split('.');
+  const VirtualClass = path.reduce((acc: any, field: string) => {
+    return acc[field];
+  }, constructors);
+
+  const valueOmited = omitVirtualClassFields(value);
+  const valueConverted = Object.keys(valueOmited).reduce((acc, key) => {
+    acc[key] = convertToVirtualClass(valueOmited[key]);
+    return acc;
+  }, {} as Record<string, any>);
+
+  return new VirtualClass(valueConverted);
+}
+
+function createLocalDbInitial(initial?: LocalDb): LocalDb {
+  return [
+    'localMessages', 'chats', 'users', 'messages', 'documents', 'stickerSets', 'photos', 'webDocuments',
+  ]
+    .reduce((acc: Record<string, any>, key) => {
+      const value = initial?.[key as keyof LocalDb] ?? {};
+      const valueVirtualClass = Object.keys(value).reduce((acc2, key2) => {
+        acc2[key2] = convertToVirtualClass(value[key2]);
+        return acc2;
+      }, {} as Record<string, any>);
+
+      acc[key] = IS_MULTITAB_SUPPORTED
+        ? createProxy(key, valueVirtualClass)
+        : valueVirtualClass;
+      return acc;
+    }, {} as LocalDb) as LocalDb;
+}
+
+const localDb: LocalDb = createLocalDbInitial();
 
 export default localDb;
 
-export function clearLocalDb() {
+export function broadcastLocalDbUpdateFull() {
-  Object.assign(localDb, LOCAL_DB_INITIAL);
+  if (!channel) return;
+
+  channel.postMessage({
+    type: 'localDbUpdateFull',
+    localDb: Object.keys(localDb).reduce((acc: Record<string, any>, key) => {
+      acc[key] = { ...localDb[key as keyof LocalDb] };
+      return acc;
+    }, {} as Record<string, any>),
+  });
+}
+
+export function updateFullLocalDb(initial: LocalDb) {
+  Object.assign(localDb, createLocalDbInitial(initial));
+}
+
+export function clearLocalDb() {
+  Object.assign(localDb, createLocalDbInitial());
 }

src/api/gramjs/methods/chats.ts

@@ -992,7 +992,7 @@ export function updateChatMemberBannedRights({
 
 export function updateChatAdmin({
   chat, user, adminRights, customTitle = '',
-}: { chat: ApiChat; user: ApiUser; adminRights: ApiChatAdminRights; customTitle: string }) {
+}: { chat: ApiChat; user: ApiUser; adminRights: ApiChatAdminRights; customTitle?: string }) {
   const channel = buildInputEntity(chat.id, chat.accessHash) as GramJs.InputChannel;
   const userId = buildInputEntity(user.id, user.accessHash) as GramJs.InputUser;
 

src/api/gramjs/methods/client.ts

@@ -145,12 +145,12 @@ export function setIsPremium({ isPremium }: { isPremium: boolean }) {
   client.setIsPremium(isPremium);
 }
 
-export async function destroy(noLogOut = false) {
+export async function destroy(noLogOut = false, noClearLocalDb = false) {
   if (!noLogOut) {
     await invokeRequest(new GramJs.auth.LogOut());
   }
 
-  clearLocalDb();
+  if (!noClearLocalDb) clearLocalDb();
 
   await client.destroy();
 }

src/api/gramjs/methods/index.ts

@@ -100,3 +100,7 @@ export {
   acceptPhoneCall, confirmPhoneCall, requestPhoneCall, decodePhoneCallData, createPhoneCallState,
   destroyPhoneCallState, encodePhoneCallData,
 } from './phoneCallState';
+
+export {
+  broadcastLocalDbUpdateFull,
+} from '../localDb';

src/api/gramjs/methods/management.ts

@@ -91,7 +91,7 @@ export async function updatePrivateLink({
 
 export async function fetchExportedChatInvites({
   peer, admin, limit = 0, isRevoked,
-}: { peer: ApiChat; admin: ApiUser; limit: number; isRevoked?: boolean }) {
+}: { peer: ApiChat; admin: ApiUser; limit?: number; isRevoked?: boolean }) {
   const exportedInvites = await invokeRequest(new GramJs.messages.GetExportedChatInvites({
     peer: buildInputPeer(peer.id, peer.accessHash),
     adminId: buildInputEntity(admin.id, admin.accessHash) as GramJs.InputUser,
@@ -209,7 +209,7 @@ export async function deleteRevokedExportedChatInvites({
 export async function fetchChatInviteImporters({
   peer, link, offsetDate = 0, offsetUser, limit = 0, isRequested,
 }: {
-  peer: ApiChat; link?: string; offsetDate: number; offsetUser?: ApiUser; limit: number; isRequested?: boolean;
+  peer: ApiChat; link?: string; offsetDate?: number; offsetUser?: ApiUser; limit?: number; isRequested?: boolean;
 }) {
   const result = await invokeRequest(new GramJs.messages.GetChatInviteImporters({
     peer: buildInputPeer(peer.id, peer.accessHash),

src/api/gramjs/methods/media.ts

@@ -1,6 +1,6 @@
 import type { TelegramClient } from '../../../lib/gramjs';
 import { Api as GramJs } from '../../../lib/gramjs';
-import type { ApiOnProgress, ApiParsedMedia, ApiPreparedMedia } from '../../types';
+import type { ApiOnProgress, ApiParsedMedia } from '../../types';
 import {
   ApiMediaFormat,
 } from '../../types';
@@ -52,11 +52,11 @@ export default async function downloadMedia(
     void cacheApi.save(cacheName, url, parsed);
   }
 
-  const prepared = mediaFormat === ApiMediaFormat.Progressive ? '' : prepareMedia(parsed as string | Blob);
+  const dataBlob = mediaFormat === ApiMediaFormat.Progressive ? '' : parsed as string | Blob;
   const arrayBuffer = mediaFormat === ApiMediaFormat.Progressive ? parsed as ArrayBuffer : undefined;
 
   return {
-    prepared,
+    dataBlob,
     arrayBuffer,
     mimeType,
     fullSize,
@@ -262,14 +262,6 @@ async function parseMedia(
   return undefined;
 }
 
-function prepareMedia(mediaData: Exclude<ApiParsedMedia, ArrayBuffer>): ApiPreparedMedia {
-  if (mediaData instanceof Blob) {
-    return URL.createObjectURL(mediaData);
-  }
-
-  return mediaData;
-}
-
 function getMimeType(data: Uint8Array, fallbackMimeType = 'image/jpeg') {
   if (data.length < 4) {
     return fallbackMimeType;

src/api/gramjs/methods/messages.ts

@@ -637,7 +637,7 @@ async function uploadMedia(localMessage: ApiMessage, attachment: ApiAttachment,
 
 export async function pinMessage({
   chat, messageId, isUnpin, isOneSide, isSilent,
-}: { chat: ApiChat; messageId: number; isUnpin: boolean; isOneSide: boolean; isSilent: boolean }) {
+}: { chat: ApiChat; messageId: number; isUnpin: boolean; isOneSide?: boolean; isSilent?: boolean }) {
   await invokeRequest(new GramJs.messages.UpdatePinnedMessage({
     peer: buildInputPeer(chat.id, chat.accessHash),
     id: messageId,

src/api/gramjs/methods/settings.ts

@@ -370,8 +370,8 @@ export function updateNotificationSettings(peerType: 'contact' | 'group' | 'broa
   isSilent,
   shouldShowPreviews,
 }: {
-  isSilent: boolean;
+  isSilent?: boolean;
-  shouldShowPreviews: boolean;
+  shouldShowPreviews?: boolean;
 }) {
   let peer: GramJs.TypeInputNotifyPeer;
   if (peerType === 'contact') {

src/api/gramjs/provider.ts

@@ -5,9 +5,11 @@ import type {
   ApiOnProgress,
 } from '../types';
 import type { Methods, MethodArgs, MethodResponse } from './methods/types';
+import type { LocalDb } from './localDb';
 
 import { API_THROTTLE_RESET_UPDATES, API_UPDATE_THROTTLE } from '../../config';
 import { throttle, throttleWithTickEnd } from '../../util/schedulers';
+import { updateFullLocalDb } from './localDb';
 import { init as initUpdater } from './updater';
 import { init as initAuth } from './methods/auth';
 import { init as initChats } from './methods/chats';
@@ -24,7 +26,7 @@ import * as methods from './methods';
 
 let onUpdate: OnApiUpdate;
 
-export async function initApi(_onUpdate: OnApiUpdate, initialArgs: ApiInitialArgs) {
+export async function initApi(_onUpdate: OnApiUpdate, initialArgs: ApiInitialArgs, initialLocalDb?: LocalDb) {
   onUpdate = _onUpdate;
 
   initUpdater(handleUpdate);
@@ -39,6 +41,8 @@ export async function initApi(_onUpdate: OnApiUpdate, initialArgs: ApiInitialArg
   initCalls(handleUpdate);
   initPayments(handleUpdate);
 
+  if (initialLocalDb) updateFullLocalDb(initialLocalDb);
+
   await initClient(handleUpdate, initialArgs);
 }
 

src/api/gramjs/worker/provider.ts

@@ -1,11 +1,15 @@
 import type { Api } from '../../../lib/gramjs';
 import type { ApiInitialArgs, ApiOnProgress, OnApiUpdate } from '../../types';
 import type { Methods, MethodArgs, MethodResponse } from '../methods/types';
-import type { WorkerMessageEvent, OriginRequest } from './types';
+import type { WorkerMessageEvent, OriginRequest, ThenArg } from './types';
+import type { LocalDb } from '../localDb';
+import type { TypedBroadcastChannel } from '../../../util/multitab';
 
-import { DEBUG } from '../../../config';
+import { IS_MULTITAB_SUPPORTED } from '../../../util/environment';
+import { DATA_BROADCAST_CHANNEL_NAME, DEBUG } from '../../../config';
 import generateIdFor from '../../../util/generateIdFor';
 import { pause } from '../../../util/schedulers';
+import { getCurrentTabId, subscribeToMasterChange } from '../../../util/establishMultitabRole';
 
 type RequestStates = {
   messageId: string;
@@ -20,10 +24,44 @@ const HEALTH_CHECK_MIN_DELAY = 5 * 1000; // 5 sec
 let worker: Worker;
 const requestStates = new Map<string, RequestStates>();
 const requestStatesByCallback = new Map<AnyToVoidFunction, RequestStates>();
+const savedLocalDb: LocalDb = {
+  localMessages: {},
+  chats: {},
+  users: {},
+  messages: {},
+  documents: {},
+  stickerSets: {},
+  photos: {},
+  webDocuments: {},
+};
 
 // TODO Re-use `util/WorkerConnector.ts`
 
+let isMasterTab = true;
+subscribeToMasterChange((isMasterTabNew) => {
+  isMasterTab = isMasterTabNew;
+});
+
+const channel = IS_MULTITAB_SUPPORTED
+  ? new BroadcastChannel(DATA_BROADCAST_CHANNEL_NAME) as TypedBroadcastChannel
+  : undefined;
+
+export function initApiOnMasterTab(initialArgs: ApiInitialArgs) {
+  if (!channel) return;
+
+  channel.postMessage({
+    type: 'initApi',
+    token: getCurrentTabId(),
+    initialArgs,
+  });
+}
+
 export function initApi(onUpdate: OnApiUpdate, initialArgs: ApiInitialArgs) {
+  if (!isMasterTab) {
+    initApiOnMasterTab(initialArgs);
+    return Promise.resolve();
+  }
+
   if (!worker) {
     if (DEBUG) {
       // eslint-disable-next-line no-console
@@ -40,11 +78,33 @@ export function initApi(onUpdate: OnApiUpdate, initialArgs: ApiInitialArgs) {
 
   return makeRequest({
     type: 'initApi',
-    args: [initialArgs],
+    args: [initialArgs, savedLocalDb],
   });
 }
 
-export function callApi<T extends keyof Methods>(fnName: T, ...args: MethodArgs<T>) {
+export function updateLocalDb(name: keyof LocalDb, prop: string, value: any) {
+  savedLocalDb[name][prop] = value;
+}
+
+export function updateFullLocalDb(initial: LocalDb) {
+  Object.assign(savedLocalDb, initial);
+}
+
+export function callApiOnMasterTab(payload: any) {
+  if (!channel) return;
+
+  channel.postMessage({
+    type: 'callApi',
+    token: getCurrentTabId(),
+    ...payload,
+  });
+}
+
+/*
+ * Call a worker method on this tab's worker, without transferring to master tab
+ * Mostly needed to disconnect worker when re-electing master
+ */
+export function callApiLocal<T extends keyof Methods>(fnName: T, ...args: MethodArgs<T>) {
   if (!worker) {
     if (DEBUG) {
       // eslint-disable-next-line no-console
@@ -86,6 +146,51 @@ export function callApi<T extends keyof Methods>(fnName: T, ...args: MethodArgs<
   return promise as MethodResponse<T>;
 }
 
+export function callApi<T extends keyof Methods>(fnName: T, ...args: MethodArgs<T>) {
+  if (!worker && isMasterTab) {
+    if (DEBUG) {
+      // eslint-disable-next-line no-console
+      console.warn('API is not initialized');
+    }
+
+    return undefined;
+  }
+
+  const promise = isMasterTab ? makeRequest({
+    type: 'callMethod',
+    name: fnName,
+    args,
+  }) : makeRequestToMaster({
+    name: fnName,
+    args,
+  });
+
+  // Some TypeScript magic to make sure `VirtualClass` is never returned from any method
+  if (DEBUG) {
+    (async () => {
+      try {
+        type ForbiddenTypes =
+          Api.VirtualClass<any>
+          | (Api.VirtualClass<any> | undefined)[];
+        type ForbiddenResponses =
+          ForbiddenTypes
+          | (AnyLiteral & { [k: string]: ForbiddenTypes });
+
+        // Unwrap all chained promises
+        const response = await promise;
+        // Make sure responses do not include `VirtualClass` instances
+        const allowedResponse: Exclude<typeof response, ForbiddenResponses> = response;
+        // Suppress "unused variable" constraint
+        void allowedResponse;
+      } catch (err) {
+        // Do noting
+      }
+    })();
+  }
+
+  return promise as MethodResponse<T>;
+}
+
 export function cancelApiProgress(progressCallback: ApiOnProgress) {
   progressCallback.isCanceled = true;
 
@@ -94,6 +199,20 @@ export function cancelApiProgress(progressCallback: ApiOnProgress) {
     return;
   }
 
+  if (isMasterTab) {
+    cancelApiProgressMaster(messageId);
+  } else {
+    if (!channel) return;
+
+    channel.postMessage({
+      type: 'cancelApiProgress',
+      token: getCurrentTabId(),
+      messageId,
+    });
+  }
+}
+
+export function cancelApiProgressMaster(messageId: string) {
   worker.postMessage({
     type: 'cancelProgress',
     messageId,
@@ -105,22 +224,79 @@ function subscribeToWorker(onUpdate: OnApiUpdate) {
     if (data.type === 'update') {
       onUpdate(data.update);
     } else if (data.type === 'methodResponse') {
-      const requestState = requestStates.get(data.messageId);
+      handleMethodResponse(data);
-      if (requestState) {
-        if (data.error) {
-          requestState.reject(data.error);
-        } else {
-          requestState.resolve(data.response);
-        }
-      }
     } else if (data.type === 'methodCallback') {
-      requestStates.get(data.messageId)?.callback?.(...data.callbackArgs);
+      handleMethodCallback(data);
     } else if (data.type === 'unhandledError') {
       throw new Error(data.error?.message);
     }
   });
 }
 
+export function handleMethodResponse(data: { messageId: string;
+  response?: ThenArg<MethodResponse<keyof Methods>>;
+  error?: { message: string };
+}) {
+  const requestState = requestStates.get(data.messageId);
+  if (requestState) {
+    if (data.error) {
+      requestState.reject(data.error);
+    } else {
+      requestState.resolve(data.response);
+    }
+  }
+}
+
+export function handleMethodCallback(data: { messageId: string;
+  callbackArgs: any[];
+}) {
+  requestStates.get(data.messageId)?.callback?.(...data.callbackArgs);
+}
+
+function makeRequestToMaster(message: {
+  messageId?: string;
+  name: keyof Methods;
+  args: MethodArgs<keyof Methods>;
+  withCallback?: boolean;
+}) {
+  const messageId = generateIdFor(requestStates);
+  const payload = {
+    messageId,
+    ...message,
+  };
+
+  const requestState = { messageId } as RequestStates;
+
+  // Re-wrap type because of `postMessage`
+  const promise: Promise<MethodResponse<keyof Methods>> = new Promise((resolve, reject) => {
+    Object.assign(requestState, { resolve, reject });
+  });
+
+  if ('args' in payload && 'name' in payload && typeof payload.args[1] === 'function') {
+    payload.withCallback = true;
+
+    const callback = payload.args.pop() as AnyToVoidFunction;
+    requestState.callback = callback;
+    requestStatesByCallback.set(callback, requestState);
+  }
+
+  requestStates.set(messageId, requestState);
+
+  promise
+    .catch(() => undefined)
+    .finally(() => {
+      requestStates.delete(messageId);
+
+      if (requestState.callback) {
+        requestStatesByCallback.delete(requestState.callback);
+      }
+    });
+
+  callApiOnMasterTab(payload);
+
+  return promise;
+}
+
 function makeRequest(message: OriginRequest) {
   const messageId = generateIdFor(requestStates);
   const payload: OriginRequest = {

src/api/gramjs/worker/types.ts

@@ -1,5 +1,6 @@
 import type { ApiInitialArgs, ApiUpdate } from '../../types';
 import type { Methods, MethodArgs, MethodResponse } from '../methods/types';
+import type { LocalDb } from '../localDb';
 
 export type ThenArg<T> = T extends Promise<infer U> ? U : T;
 
@@ -27,7 +28,7 @@ export interface WorkerMessageEvent {
 export type OriginRequest = {
   type: 'initApi';
   messageId?: string;
-  args: [ApiInitialArgs];
+  args: [ApiInitialArgs, LocalDb];
 } | {
   type: 'callMethod';
   messageId?: string;

src/api/gramjs/worker/worker.ts

@@ -21,7 +21,7 @@ onmessage = async (message: OriginMessageEvent) => {
 
   switch (data.type) {
     case 'initApi': {
-      await initApi(onUpdate, data.args[0]);
+      await initApi(onUpdate, data.args[0], data.args[1]);
       break;
     }
     case 'callMethod': {

src/api/types/misc.ts

@@ -1,6 +1,6 @@
 import type { ApiDocument, ApiPhoto, ApiReaction } from './messages';
 import type { ApiUser } from './users';
-import type { ApiLimitType } from '../../global/types';
+import type { ApiLimitType, CallbackAction } from '../../global/types';
 
 export interface ApiInitialArgs {
   userAgent: string;
@@ -107,7 +107,7 @@ export type ApiNotification = {
   title?: string;
   message: string;
   actionText?: string;
-  action: VoidFunction;
+  action?: CallbackAction;
   className?: string;
 };
 

src/bundles/main.ts

@@ -1,5 +1,6 @@
 import { getActions, getGlobal } from '../global';
 
+import { IS_MULTITAB_SUPPORTED } from '../util/environment';
 import { DEBUG } from '../config';
 
 // eslint-disable-next-line import/no-cycle
@@ -11,7 +12,7 @@ if (DEBUG) {
   console.log('>>> FINISH LOAD MAIN BUNDLE');
 }
 
-const { connectionState, passcode: { isScreenLocked } } = getGlobal();
+const { passcode: { isScreenLocked }, connectionState } = getGlobal();
-if (!connectionState && !isScreenLocked) {
+if (!connectionState && !isScreenLocked && !IS_MULTITAB_SUPPORTED) {
   getActions().initApi();
 }

src/components/auth/Auth.tsx

@@ -1,11 +1,10 @@
 import type { FC } from '../../lib/teact/teact';
-import React, { useEffect, memo } from '../../lib/teact/teact';
+import React, { memo } from '../../lib/teact/teact';
 import { getActions, withGlobal } from '../../global';
 
 import type { GlobalState } from '../../global/types';
 
 import '../../global/actions/initial';
-import { pick } from '../../util/iteratees';
 import { PLATFORM_ENV } from '../../util/environment';
 import useHistoryBack from '../../hooks/useHistoryBack';
 import useCurrentOrPrev from '../../hooks/useCurrentOrPrev';
@@ -19,26 +18,15 @@ import AuthQrCode from './AuthQrCode';
 
 import './Auth.scss';
 
-type OwnProps = {
+type StateProps = Pick<GlobalState, 'authState'>;
-  isActive: boolean;
-};
 
-type StateProps = Pick<GlobalState, 'authState' | 'hasWebAuthTokenPasswordRequired'>;
+const Auth: FC<StateProps> = ({
-
+  authState,
-const Auth: FC<OwnProps & StateProps> = ({
-  isActive, authState, hasWebAuthTokenPasswordRequired,
 }) => {
   const {
-    reset, initApi, returnToAuthPhoneNumber, goToAuthQrCode,
+    returnToAuthPhoneNumber, goToAuthQrCode,
   } = getActions();
 
-  useEffect(() => {
-    if (isActive && !hasWebAuthTokenPasswordRequired) {
-      reset();
-      initApi();
-    }
-  }, [isActive, reset, initApi, hasWebAuthTokenPasswordRequired]);
-
   const isMobile = PLATFORM_ENV === 'iOS' || PLATFORM_ENV === 'Android';
 
   const handleChangeAuthorizationMethod = () => {
@@ -102,6 +90,10 @@ const Auth: FC<OwnProps & StateProps> = ({
   );
 };
 
-export default memo(withGlobal<OwnProps>(
+export default memo(withGlobal(
-  (global): StateProps => pick(global, ['authState', 'hasWebAuthTokenPasswordRequired']),
+  (global): StateProps => {
+    return {
+      authState: global.authState,
+    };
+  },
 )(Auth));

src/components/auth/AuthCode.tsx

@@ -82,6 +82,10 @@ const AuthCode: FC<StateProps> = ({
     }
   }, [authError, clearAuthError, code, isTracking, setAuthCode]);
 
+  function handleReturnToAuthPhoneNumber() {
+    returnToAuthPhoneNumber();
+  }
+
   return (
     <div id="auth-code-form" className="custom-scroll">
       <div className="auth-form">
@@ -95,7 +99,7 @@ const AuthCode: FC<StateProps> = ({
           {authPhoneNumber}
           <div
             className="auth-number-edit"
-            onClick={returnToAuthPhoneNumber}
+            onClick={handleReturnToAuthPhoneNumber}
             role="button"
             tabIndex={0}
             title={lang('WrongNumber')}

src/components/auth/AuthPhoneNumber.tsx

@@ -203,6 +203,10 @@ const AuthPhoneNumber: FC<StateProps> = ({
     }
   }
 
+  const handleGoToAuthQrCode = useCallback(() => {
+    goToAuthQrCode();
+  }, [goToAuthQrCode]);
+
   const isAuthReady = authState === 'authorizationStateWaitPhoneNumber';
 
   return (
@@ -242,7 +246,7 @@ const AuthPhoneNumber: FC<StateProps> = ({
             )
           )}
           {isAuthReady && (
-            <Button isText ripple isLoading={authIsLoadingQrCode} onClick={goToAuthQrCode}>
+            <Button isText ripple isLoading={authIsLoadingQrCode} onClick={handleGoToAuthQrCode}>
               {lang('Login.QR.Login')}
             </Button>
           )}

src/components/auth/AuthQrCode.tsx

@@ -129,6 +129,10 @@ const AuthCode: FC<StateProps> = ({
     });
   }, [markIsLoading, setSettingOption, suggestedLanguage, unmarkIsLoading]);
 
+  const habdleReturnToAuthPhoneNumber = useCallback(() => {
+    returnToAuthPhoneNumber();
+  }, [returnToAuthPhoneNumber]);
+
   const isAuthReady = authState === 'authorizationStateWaitQrCode';
 
   return (
@@ -162,7 +166,7 @@ const AuthCode: FC<StateProps> = ({
           <li><span>{lang('Login.QR.Help3')}</span></li>
         </ol>
         {isAuthReady && (
-          <Button isText onClick={returnToAuthPhoneNumber}>{lang('Login.QR.Cancel')}</Button>
+          <Button isText onClick={habdleReturnToAuthPhoneNumber}>{lang('Login.QR.Cancel')}</Button>
         )}
         {suggestedLanguage && suggestedLanguage !== language && continueText && (
           <Button isText isLoading={isLoading} onClick={handleLangChange}>{continueText}</Button>

src/components/calls/ActiveCallHeader.tsx

@@ -5,6 +5,7 @@ import { getActions, withGlobal } from '../../global';
 import type { ApiGroupCall, ApiUser } from '../../api/types';
 
 import { selectActiveGroupCall, selectPhoneCallUser } from '../../global/selectors/calls';
+import { selectTabState } from '../../global/selectors';
 import buildClassName from '../../util/buildClassName';
 import useLang from '../../hooks/useLang';
 
@@ -33,6 +34,10 @@ const ActiveCallHeader: FC<StateProps> = ({
     };
   }, [isCallPanelVisible]);
 
+  function handleToggleGroupCallPanel() {
+    toggleGroupCallPanel();
+  }
+
   if (!groupCall && !phoneCallUser) return undefined;
 
   return (
@@ -41,7 +46,7 @@ const ActiveCallHeader: FC<StateProps> = ({
         'ActiveCallHeader',
         isCallPanelVisible && 'open',
       )}
-      onClick={toggleGroupCallPanel}
+      onClick={handleToggleGroupCallPanel}
     >
       <span className="title">{phoneCallUser?.firstName || groupCall?.title || lang('VoipGroupVoiceChat')}</span>
     </div>
@@ -50,10 +55,11 @@ const ActiveCallHeader: FC<StateProps> = ({
 
 export default memo(withGlobal(
   (global): StateProps => {
+    const tabState = selectTabState(global);
     return {
-      groupCall: selectActiveGroupCall(global),
+      groupCall: tabState.isMasterTab ? selectActiveGroupCall(global) : undefined,
-      isCallPanelVisible: global.isCallPanelVisible,
+      isCallPanelVisible: tabState.isCallPanelVisible,
-      phoneCallUser: selectPhoneCallUser(global),
+      phoneCallUser: tabState.isMasterTab ? selectPhoneCallUser(global) : undefined,
     };
   },
 )(ActiveCallHeader));

src/components/calls/group/GroupCall.tsx

@@ -25,6 +25,7 @@ import {
   selectGroupCallParticipant,
   selectIsAdminInActiveGroupCall,
 } from '../../../global/selectors/calls';
+import { selectTabState } from '../../../global/selectors';
 import useFlag from '../../../hooks/useFlag';
 import useLang from '../../../hooks/useLang';
 import useAppLayout from '../../../hooks/useAppLayout';
@@ -249,6 +250,10 @@ const GroupCall: FC<OwnProps & StateProps> = ({
     }
   }, [isLeaving, leaveGroupCall, shouldEndGroupCall]);
 
+  const handleToggleGroupCallPresentation = useCallback(() => {
+    toggleGroupCallPresentation();
+  }, [toggleGroupCallPresentation]);
+
   return (
     <Modal
       isOpen={!isCallPanelVisible && !isLeaving}
@@ -293,7 +298,7 @@ const GroupCall: FC<OwnProps & StateProps> = ({
             {IS_SCREENSHARE_SUPPORTED && !shouldRaiseHand && (
               <MenuItem
                 icon="share-screen-outlined"
-                onClick={toggleGroupCallPresentation}
+                onClick={handleToggleGroupCallPresentation}
               >
                 {lang(hasPresentation ? 'VoipChatStopScreenCapture' : 'VoipChatStartScreenCapture')}
               </MenuItem>
@@ -416,7 +421,7 @@ export default memo(withGlobal<OwnProps>(
       isSpeakerEnabled: !isSpeakerDisabled,
       participantsCount,
       meParticipant: selectGroupCallParticipant(global, groupCallId, global.currentUserId!),
-      isCallPanelVisible: Boolean(global.isCallPanelVisible),
+      isCallPanelVisible: Boolean(selectTabState(global).isCallPanelVisible),
       isAdmin: selectIsAdminInActiveGroupCall(global),
       participants,
     };

src/components/calls/group/GroupCallParticipantList.tsx

@@ -1,6 +1,6 @@
 import type { GroupCallParticipant as TypeGroupCallParticipant } from '../../../lib/secret-sauce';
 import type { FC } from '../../../lib/teact/teact';
-import React, { memo, useMemo } from '../../../lib/teact/teact';
+import React, { memo, useCallback, useMemo } from '../../../lib/teact/teact';
 import { getActions, withGlobal } from '../../../global';
 
 import useLang from '../../../hooks/useLang';
@@ -36,15 +36,23 @@ const GroupCallParticipantList: FC<OwnProps & StateProps> = ({
     return Object.keys(participants || {});
   }, [participants]);
 
+  const handleLoadMoreGroupCallParticipants = useCallback(() => {
+    loadMoreGroupCallParticipants();
+  }, [loadMoreGroupCallParticipants]);
+
   const [viewportIds, getMore] = useInfiniteScroll(
-    loadMoreGroupCallParticipants,
+    handleLoadMoreGroupCallParticipants,
     participantsIds,
     participantsIds.length >= participantsCount,
   );
 
+  function handleCreateGroupCallInviteLink() {
+    createGroupCallInviteLink();
+  }
+
   return (
     <div className="participants">
-      <div className="invite-btn" onClick={createGroupCallInviteLink}>
+      <div className="invite-btn" onClick={handleCreateGroupCallInviteLink}>
         <div className="icon">
           <i className="icon-add-user" />
         </div>

src/components/calls/group/GroupCallParticipantMenu.tsx

@@ -108,7 +108,7 @@ const GroupCallParticipantMenu: FC<OwnProps & StateProps> = ({
     }
 
     toggleGroupCallMute({
-      participantId: id,
+      participantId: id!,
       value: isAdmin ? !shouldRaiseHand : !isMutedByMe,
     });
   }, [closeDropdown, toggleGroupCallMute, id, isAdmin, shouldRaiseHand, isMutedByMe]);
@@ -131,12 +131,12 @@ const GroupCallParticipantMenu: FC<OwnProps & StateProps> = ({
     runThrottled(() => {
       if (value === VOLUME_ZERO) {
         toggleGroupCallMute({
-          participantId: id,
+          participantId: id!,
           value: true,
         });
       } else {
         setGroupCallParticipantVolume({
-          participantId: id,
+          participantId: id!,
           volume: Math.floor(value * GROUP_CALL_VOLUME_MULTIPLIER),
         });
       }

src/components/calls/group/GroupCallTopPane.tsx

@@ -9,7 +9,7 @@ import type { AnimationLevel } from '../../../types';
 
 import { selectChatGroupCall } from '../../../global/selectors/calls';
 import buildClassName from '../../../util/buildClassName';
-import { selectChat } from '../../../global/selectors';
+import { selectChat, selectTabState } from '../../../global/selectors';
 import useLang from '../../../hooks/useLang';
 
 import Button from '../../ui/Button';
@@ -42,17 +42,17 @@ const GroupCallTopPane: FC<OwnProps & StateProps> = ({
   animationLevel,
 }) => {
   const {
-    joinGroupCall,
+    requestMasterAndJoinGroupCall,
     subscribeToGroupCallUpdates,
   } = getActions();
 
   const lang = useLang();
 
   const handleJoinGroupCall = useCallback(() => {
-    joinGroupCall({
+    requestMasterAndJoinGroupCall({
       chatId,
     });
-  }, [joinGroupCall, chatId]);
+  }, [requestMasterAndJoinGroupCall, chatId]);
 
   const participants = groupCall?.participants;
 
@@ -128,6 +128,7 @@ export default memo(withGlobal<OwnProps>(
   (global, { chatId }) => {
     const chat = selectChat(global, chatId)!;
     const groupCall = selectChatGroupCall(global, chatId);
+    const activeGroupCallId = selectTabState(global).isMasterTab ? global.groupCalls.activeGroupCallId : undefined;
     return {
       groupCall,
       usersById: global.users.byId,
@@ -135,7 +136,7 @@ export default memo(withGlobal<OwnProps>(
       activeGroupCallId: global.groupCalls.activeGroupCallId,
       isActive: ((!groupCall ? (chat && chat.isCallNotEmpty && chat.isCallActive)
         : (groupCall.participantsCount > 0 && groupCall.isLoaded)))
-        && (global.groupCalls.activeGroupCallId !== groupCall?.id),
+        && (activeGroupCallId !== groupCall?.id),
       animationLevel: global.settings.byKey.animationLevel,
     };
   },

src/components/calls/phone/PhoneCall.tsx

@@ -14,6 +14,7 @@ import {
   IS_REQUEST_FULLSCREEN_SUPPORTED,
 } from '../../../util/environment';
 import { LOCAL_TGS_URLS } from '../../common/helpers/animatedAssets';
+import { selectTabState } from '../../../global/selectors';
 import buildClassName from '../../../util/buildClassName';
 import { selectPhoneCallUser } from '../../../global/selectors/calls';
 import useLang from '../../../hooks/useLang';
@@ -52,7 +53,7 @@ const PhoneCall: FC<StateProps> = ({
 }) => {
   const lang = useLang();
   const {
-    hangUp, acceptCall, playGroupCallSound, toggleGroupCallPanel, connectToActivePhoneCall,
+    hangUp, requestMasterAndAcceptCall, playGroupCallSound, toggleGroupCallPanel, connectToActivePhoneCall,
   } = getActions();
   // eslint-disable-next-line no-null/no-null
   const containerRef = useRef<HTMLDivElement>(null);
@@ -347,7 +348,7 @@ const PhoneCall: FC<StateProps> = ({
         )}
         {isIncomingRequested && (
           <PhoneCallButton
-            onClick={acceptCall}
+            onClick={requestMasterAndAcceptCall}
             icon="phone-discard"
             isDisabled={isDiscarded}
             label={lang('lng_call_accept')}
@@ -370,12 +371,13 @@ const PhoneCall: FC<StateProps> = ({
 export default memo(withGlobal(
   (global): StateProps => {
     const { phoneCall, currentUserId } = global;
+    const { isCallPanelVisible, isMasterTab } = selectTabState(global);
 
     return {
-      isCallPanelVisible: Boolean(global.isCallPanelVisible),
+      isCallPanelVisible: Boolean(isCallPanelVisible),
       user: selectPhoneCallUser(global),
       isOutgoing: phoneCall?.adminId === currentUserId,
-      phoneCall,
+      phoneCall: isMasterTab ? phoneCall : undefined,
       animationLevel: global.settings.byKey.animationLevel,
     };
   },

src/components/common/ChatExtra.tsx

@@ -118,7 +118,7 @@ const ChatExtra: FC<OwnProps & StateProps> = ({
             isMuted: !newAreNotificationsEnabled,
           });
         } else {
-          updateChatMutedState({ chatId, isMuted: !newAreNotificationsEnabled });
+          updateChatMutedState({ chatId: chatId!, isMuted: !newAreNotificationsEnabled });
         }
       });
 

src/components/common/DeleteChatModal.tsx

@@ -80,7 +80,7 @@ const DeleteChatModal: FC<OwnProps & StateProps> = ({
 
   const handleDeleteAndStop = useCallback(() => {
     deleteHistory({ chatId: chat.id, shouldDeleteForAll: true });
-    blockContact({ contactId: chat.id, accessHash: chat.accessHash });
+    blockContact({ contactId: chat.id, accessHash: chat.accessHash! });
 
     onClose();
   }, [deleteHistory, chat.id, chat.accessHash, blockContact, onClose]);
@@ -89,7 +89,7 @@ const DeleteChatModal: FC<OwnProps & StateProps> = ({
     if (isPrivateChat) {
       deleteHistory({ chatId: chat.id, shouldDeleteForAll: false });
     } else if (isBasicGroup) {
-      deleteChatUser({ chatId: chat.id, userId: currentUserId });
+      deleteChatUser({ chatId: chat.id, userId: currentUserId! });
       deleteHistory({ chatId: chat.id, shouldDeleteForAll: false });
     } else if ((isChannel || isSuperGroup) && !chat.isCreator) {
       leaveChannel({ chatId: chat.id });

src/components/common/GroupCallLink.tsx

@@ -17,13 +17,13 @@ type OwnProps = {
 const GroupCallLink: FC<OwnProps> = ({
   className, groupCall, children,
 }) => {
-  const { joinGroupCall } = getActions();
+  const { requestMasterAndJoinGroupCall } = getActions();
 
   const handleClick = useCallback(() => {
     if (groupCall) {
-      joinGroupCall({ id: groupCall.id, accessHash: groupCall.accessHash });
+      requestMasterAndJoinGroupCall({ id: groupCall.id, accessHash: groupCall.accessHash });
     }
-  }, [groupCall, joinGroupCall]);
+  }, [groupCall, requestMasterAndJoinGroupCall]);
 
   if (!groupCall) {
     return children;

src/components/common/PinMessageModal.tsx

@@ -37,7 +37,6 @@ type StateProps = {
 const PinMessageModal: FC<OwnProps & StateProps> = ({
   isOpen,
   messageId,
-  chatId,
   isChannel,
   isGroup,
   isSuperGroup,
@@ -49,17 +48,17 @@ const PinMessageModal: FC<OwnProps & StateProps> = ({
 
   const handlePinMessageForAll = useCallback(() => {
     pinMessage({
-      chatId, messageId, isUnpin: false,
+      messageId, isUnpin: false,
     });
     onClose();
-  }, [pinMessage, chatId, messageId, onClose]);
+  }, [pinMessage, messageId, onClose]);
 
   const handlePinMessage = useCallback(() => {
     pinMessage({
-      chatId, messageId, isUnpin: false, isOneSide: true, isSilent: true,
+      messageId, isUnpin: false, isOneSide: true, isSilent: true,
     });
     onClose();
-  }, [chatId, messageId, onClose, pinMessage]);
+  }, [messageId, onClose, pinMessage]);
 
   const lang = useLang();
 

src/components/common/ProfileInfo.tsx

@@ -14,6 +14,7 @@ import { MediaViewerOrigin } from '../../types';
 import { IS_TOUCH_ENV } from '../../util/environment';
 import { MEMO_EMPTY_ARRAY } from '../../util/memo';
 import {
+  selectTabState,
   selectChat, selectCurrentMessageList, selectThreadMessagesCount, selectUser, selectUserStatus,
 } from '../../global/selectors';
 import { getUserStatus, isChatChannel, isUserOnline } from '../../global/helpers';
@@ -336,7 +337,7 @@ export default memo(withGlobal<OwnProps>(
     const chat = selectChat(global, userId);
     const isSavedMessages = !forceShowSelf && user && user.isSelf;
     const { animationLevel } = global.settings.byKey;
-    const { mediaId, avatarOwnerId } = global.mediaViewer;
+    const { mediaId, avatarOwnerId } = selectTabState(global).mediaViewer;
     const isForum = chat?.isForum;
     const { threadId: currentTopicId } = selectCurrentMessageList(global) || {};
     const topic = isForum && currentTopicId ? chat?.topics?.[currentTopicId] : undefined;

src/components/common/ReportModal.tsx

@@ -47,7 +47,7 @@ const ReportModal: FC<OwnProps> = ({
   const handleReport = useCallback(() => {
     switch (subject) {
       case 'messages':
-        reportMessages({ messageIds, reason: selectedReason, description });
+        reportMessages({ messageIds: messageIds!, reason: selectedReason, description });
         exitMessageSelectMode();
         break;
       case 'peer':

src/components/common/SeenByModal.tsx

@@ -3,7 +3,7 @@ import React, { useCallback, memo } from '../../lib/teact/teact';
 import { getActions, withGlobal } from '../../global';
 
 import useLang from '../../hooks/useLang';
-import { selectChatMessage } from '../../global/selectors';
+import { selectChatMessage, selectTabState } from '../../global/selectors';
 import useCurrentOrPrev from '../../hooks/useCurrentOrPrev';
 
 import Modal from '../ui/Modal';
@@ -40,6 +40,10 @@ const SeenByModal: FC<OwnProps & StateProps> = ({
     }, CLOSE_ANIMATION_DURATION);
   }, [closeSeenByModal, openChat]);
 
+  const handleCloseSeenByModal = useCallback(() => {
+    closeSeenByModal();
+  }, [closeSeenByModal]);
+
   const renderingMemberIds = useCurrentOrPrev(memberIds, true);
 
   return (
@@ -64,7 +68,7 @@ const SeenByModal: FC<OwnProps & StateProps> = ({
       <Button
         className="confirm-dialog-button"
         isText
-        onClick={closeSeenByModal}
+        onClick={handleCloseSeenByModal}
       >
         {lang('Close')}
       </Button>
@@ -74,7 +78,7 @@ const SeenByModal: FC<OwnProps & StateProps> = ({
 
 export default memo(withGlobal<OwnProps>(
   (global): StateProps => {
-    const { chatId, messageId } = global.seenByModal || {};
+    const { chatId, messageId } = selectTabState(global).seenByModal || {};
     if (!chatId || !messageId) {
       return {};
     }

src/components/common/StickerSetModal.tsx

@@ -79,7 +79,7 @@ const StickerSetModal: FC<OwnProps & StateProps> = ({
   const prevStickerSet = usePrevious(stickerSet);
   const renderingStickerSet = stickerSet || prevStickerSet;
 
-  const isAdded = !renderingStickerSet?.isArchived && renderingStickerSet?.installedDate;
+  const isAdded = Boolean(!renderingStickerSet?.isArchived && renderingStickerSet?.installedDate);
   const isEmoji = renderingStickerSet?.isEmoji;
   const isButtonLocked = !isAdded && isSetPremium && !isCurrentUserPremium;
 

src/components/common/UiLoader.tsx

@@ -2,12 +2,16 @@ import React, { useEffect } from '../../lib/teact/teact';
 import { getActions, getGlobal, withGlobal } from '../../global';
 
 import { ApiMediaFormat } from '../../api/types';
-import type { GlobalState } from '../../global/types';
+import type { TabState } from '../../global/types';
 import type { ThemeKey } from '../../types';
 import type { FC } from '../../lib/teact/teact';
 
 import { getChatAvatarHash } from '../../global/helpers/chats'; // Direct import for better module splitting
-import { selectIsRightColumnShown, selectTheme } from '../../global/selectors';
+import {
+  selectIsRightColumnShown,
+  selectTheme,
+  selectTabState,
+} from '../../global/selectors';
 import { DARK_THEME_BG_COLOR, LIGHT_THEME_BG_COLOR } from '../../config';
 import useFlag from '../../hooks/useFlag';
 import useShowTransition from '../../hooks/useShowTransition';
@@ -41,7 +45,7 @@ type OwnProps = {
   isMobile?: boolean;
 };
 
-type StateProps = Pick<GlobalState, 'uiReadyState' | 'shouldSkipHistoryAnimations'> & {
+type StateProps = Pick<TabState, 'uiReadyState' | 'shouldSkipHistoryAnimations'> & {
   isRightColumnShown?: boolean;
   leftColumnWidth?: number;
   theme: ThemeKey;
@@ -74,7 +78,7 @@ function preloadAvatars() {
 
 const preloadTasks = {
   main: () => Promise.all([
-    loadModule(Bundles.Main, 'Main')
+    loadModule(Bundles.Main)
       .then(preloadFonts),
     preloadAvatars(),
     preloadImage(reactionThumbsPath),
@@ -176,12 +180,13 @@ const UiLoader: FC<OwnProps & StateProps> = ({
 export default withGlobal<OwnProps>(
   (global, { isMobile }): StateProps => {
     const theme = selectTheme(global);
+    const tabState = selectTabState(global);
 
     return {
-      shouldSkipHistoryAnimations: global.shouldSkipHistoryAnimations,
+      shouldSkipHistoryAnimations: tabState.shouldSkipHistoryAnimations,
-      uiReadyState: global.uiReadyState,
+      uiReadyState: tabState.uiReadyState,
       isRightColumnShown: selectIsRightColumnShown(global, isMobile),
-      leftColumnWidth: global.leftColumnWidth,
+      leftColumnWidth: tabState.leftColumnWidth,
       theme,
     };
   },

src/components/common/hooks/useAnimatedEmoji.ts

@@ -52,11 +52,11 @@ export default function useAnimatedEmoji(
     if (!container) return;
 
     sendEmojiInteraction({
-      chatId,
+      chatId: chatId!,
-      messageId,
+      messageId: messageId!,
       localEffect,
-      emoji,
+      emoji: emoji!,
-      interactions: interactions.current,
+      interactions: interactions.current!,
     });
     startedInteractions.current = undefined;
     interactions.current = undefined;
@@ -91,7 +91,7 @@ export default function useAnimatedEmoji(
 
     interactWithAnimatedEmoji({
       localEffect,
-      emoji,
+      emoji: emoji!,
       x,
       y,
       startSize: size,
@@ -131,8 +131,8 @@ export default function useAnimatedEmoji(
 
       sendWatchingEmojiInteraction({
         id,
-        chatId,
+        chatId: chatId!,
-        emoticon: localEffect ? selectLocalAnimatedEmojiEffectByName(localEffect) : emoji,
+        emoticon: localEffect ? selectLocalAnimatedEmojiEffectByName(localEffect)! : emoji!,
         startSize: size,
         x,
         y,

src/components/left/LeftColumn.tsx

@@ -8,7 +8,7 @@ import { LeftColumnContent, SettingsScreens } from '../../types';
 
 import { IS_MAC_OS, IS_PWA, LAYERS_ANIMATION_NAME } from '../../util/environment';
 import captureEscKeyListener from '../../util/captureEscKeyListener';
-import { selectCurrentChat, selectIsForumPanelOpen } from '../../global/selectors';
+import { selectTabState, selectCurrentChat, selectIsForumPanelOpen } from '../../global/selectors';
 import useFoldersReducer from '../../hooks/reducers/useFoldersReducer';
 import { useResize } from '../../hooks/useResize';
 import { useHotkeys } from '../../hooks/useHotkeys';
@@ -113,13 +113,13 @@ const LeftColumn: FC<StateProps> = ({
     function fullReset() {
       setContent(LeftColumnContent.ChatList);
       setContactsFilter('');
-      setGlobalSearchClosing(true);
+      setGlobalSearchClosing({ isClosing: true });
       resetChatCreation();
       setTimeout(() => {
         setGlobalSearchQuery({ query: '' });
         setGlobalSearchDate({ date: undefined });
         setGlobalSearchChatId({ id: undefined });
-        setGlobalSearchClosing(false);
+        setGlobalSearchClosing({ isClosing: false });
         setLastResetTime(Date.now());
       }, RESET_TRANSITION_DELAY_MS);
     }
@@ -376,13 +376,15 @@ const LeftColumn: FC<StateProps> = ({
     if (nextSettingsScreen !== undefined) {
       setContent(LeftColumnContent.Settings);
       setSettingsScreen(nextSettingsScreen);
-      requestNextSettingsScreen(undefined);
+      requestNextSettingsScreen({ screen: undefined });
     }
   }, [nextSettingsScreen, requestNextSettingsScreen]);
 
   const {
     initResize, resetResize, handleMouseUp,
-  } = useResize(resizeRef, setLeftColumnWidth, resetLeftColumnWidth, leftColumnWidth, '--left-column-width');
+  } = useResize(resizeRef, (n) => setLeftColumnWidth({
+    leftColumnWidth: n,
+  }), resetLeftColumnWidth, leftColumnWidth, '--left-column-width');
 
   const handleSettingsScreenSelect = useCallback((screen: SettingsScreens) => {
     setContent(LeftColumnContent.Settings);
@@ -479,30 +481,29 @@ const LeftColumn: FC<StateProps> = ({
 
 export default memo(withGlobal(
   (global): StateProps => {
+    const tabState = selectTabState(global);
     const {
       globalSearch: {
         query,
         date,
       },
-      chatFolders: {
-        activeChatFolder,
-      },
       shouldSkipHistoryAnimations,
       leftColumnWidth,
+      activeChatFolder,
+      nextSettingsScreen,
+    } = tabState;
+    const {
       currentUserId,
       passcode: {
         hasPasscode,
       },
-      settings: {
-        nextScreen: nextSettingsScreen,
-      },
       isUpdateAvailable,
     } = global;
 
     const currentChat = selectCurrentChat(global);
     const isChatOpen = Boolean(currentChat?.id);
     const isForumPanelOpen = selectIsForumPanelOpen(global);
-    const forumPanelChatId = global.forumPanelChatId;
+    const forumPanelChatId = tabState.forumPanelChatId;
 
     return {
       searchQuery: query,
@@ -517,7 +518,7 @@ export default memo(withGlobal(
       isUpdateAvailable,
       isForumPanelOpen,
       forumPanelChatId,
-      isClosingSearch: global.globalSearch.isClosing,
+      isClosingSearch: tabState.globalSearch.isClosing,
     };
   },
 )(LeftColumn));

src/components/left/main/Chat.tsx

@@ -34,7 +34,7 @@ import {
   selectNotifyExceptions,
   selectUserStatus,
   selectTopicFromMessage,
-  selectThreadParam,
+  selectThreadParam, selectTabState,
 } from '../../../global/selectors';
 import buildClassName from '../../../util/buildClassName';
 
@@ -323,7 +323,7 @@ export default memo(withGlobal<OwnProps>(
       type: messageListType,
     } = selectCurrentMessageList(global) || {};
     const isSelected = chatId === currentChatId && currentThreadId === MAIN_THREAD_ID;
-    const isSelectedForum = chatId === global.forumPanelChatId;
+    const isSelectedForum = chatId === selectTabState(global).forumPanelChatId;
 
     const user = privateChatUserId ? selectUser(global, privateChatUserId) : undefined;
     const userStatus = privateChatUserId ? selectUserStatus(global, privateChatUserId) : undefined;

src/components/left/main/ChatFolders.tsx

@@ -14,6 +14,7 @@ import { captureEvents, SwipeDirection } from '../../../util/captureEvents';
 import buildClassName from '../../../util/buildClassName';
 import captureEscKeyListener from '../../../util/captureEscKeyListener';
 import { selectCurrentLimit } from '../../../global/selectors/limits';
+import { selectTabState, selectIsForumPanelOpen } from '../../../global/selectors';
 import useShowTransition from '../../../hooks/useShowTransition';
 import useLang from '../../../hooks/useLang';
 import useHistoryBack from '../../../hooks/useHistoryBack';
@@ -22,7 +23,6 @@ import { useFolderManagerForUnreadCounters } from '../../../hooks/useFolderManag
 import Transition from '../../ui/Transition';
 import TabList from '../../ui/TabList';
 import ChatList from './ChatList';
-import { selectIsForumPanelOpen } from '../../../global/selectors';
 
 type OwnProps = {
   onScreenSelect: (screen: SettingsScreens) => void;
@@ -69,10 +69,10 @@ const ChatFolders: FC<OwnProps & StateProps> = ({
   const lang = useLang();
 
   useEffect(() => {
-    if (lastSyncTime) {
+    if (lastSyncTime && !orderedFolderIds) {
       loadChatFolders();
     }
-  }, [lastSyncTime, loadChatFolders]);
+  }, [lastSyncTime, loadChatFolders, orderedFolderIds]);
 
   const allChatsFolder = useMemo(() => {
     return {
@@ -117,7 +117,7 @@ const ChatFolders: FC<OwnProps & StateProps> = ({
   }, [displayedFolders, folderCountersById, maxFolders]);
 
   const handleSwitchTab = useCallback((index: number) => {
-    setActiveChatFolder(index, { forceOnHeavyAnimation: true });
+    setActiveChatFolder({ activeChatFolder: index }, { forceOnHeavyAnimation: true });
   }, [setActiveChatFolder]);
 
   // Prevent `activeTab` pointing at non-existing folder after update
@@ -127,7 +127,7 @@ const ChatFolders: FC<OwnProps & StateProps> = ({
     }
 
     if (activeChatFolder >= folderTabs.length) {
-      setActiveChatFolder(FIRST_FOLDER_INDEX);
+      setActiveChatFolder({ activeChatFolder: FIRST_FOLDER_INDEX });
     }
   }, [activeChatFolder, folderTabs, setActiveChatFolder]);
 
@@ -140,10 +140,13 @@ const ChatFolders: FC<OwnProps & StateProps> = ({
       selectorToPreventScroll: '.chat-list',
       onSwipe: ((e, direction) => {
         if (direction === SwipeDirection.Left) {
-          setActiveChatFolder(Math.min(activeChatFolder + 1, folderTabs.length - 1), { forceOnHeavyAnimation: true });
+          setActiveChatFolder(
+            { activeChatFolder: Math.min(activeChatFolder + 1, folderTabs.length - 1) },
+            { forceOnHeavyAnimation: true },
+          );
           return true;
         } else if (direction === SwipeDirection.Right) {
-          setActiveChatFolder(Math.max(0, activeChatFolder - 1), { forceOnHeavyAnimation: true });
+          setActiveChatFolder({ activeChatFolder: Math.max(0, activeChatFolder - 1) }, { forceOnHeavyAnimation: true });
           return true;
         }
 
@@ -156,13 +159,13 @@ const ChatFolders: FC<OwnProps & StateProps> = ({
   isNotInFirstFolderRef.current = !isInFirstFolder;
   useEffect(() => (isNotInFirstFolderRef.current ? captureEscKeyListener(() => {
     if (isNotInFirstFolderRef.current) {
-      setActiveChatFolder(FIRST_FOLDER_INDEX);
+      setActiveChatFolder({ activeChatFolder: FIRST_FOLDER_INDEX });
     }
   }) : undefined), [activeChatFolder, setActiveChatFolder]);
 
   useHistoryBack({
     isActive: !isInFirstFolder,
-    onBack: () => setActiveChatFolder(FIRST_FOLDER_INDEX, { forceOnHeavyAnimation: true }),
+    onBack: () => setActiveChatFolder({ activeChatFolder: FIRST_FOLDER_INDEX }, { forceOnHeavyAnimation: true }),
   });
 
   useEffect(() => {
@@ -179,7 +182,7 @@ const ChatFolders: FC<OwnProps & StateProps> = ({
         const folder = Number(digit) - 1;
         if (folder > folderTabs.length - 1) return;
 
-        setActiveChatFolder(folder, { forceOnHeavyAnimation: true });
+        setActiveChatFolder({ activeChatFolder: folder }, { forceOnHeavyAnimation: true });
         e.preventDefault();
       }
     };
@@ -245,12 +248,11 @@ export default memo(withGlobal<OwnProps>(
       chatFolders: {
         byId: chatFoldersById,
         orderedIds: orderedFolderIds,
-        activeChatFolder,
       },
       currentUserId,
       lastSyncTime,
-      shouldSkipHistoryAnimations,
     } = global;
+    const { shouldSkipHistoryAnimations, activeChatFolder } = selectTabState(global);
 
     return {
       chatFoldersById,

src/components/left/main/ForumPanel.tsx

@@ -12,7 +12,9 @@ import {
   TOPICS_SLICE, TOPIC_HEIGHT_PX, TOPIC_LIST_SENSITIVE_AREA,
 } from '../../../config';
 import { IS_TOUCH_ENV } from '../../../util/environment';
-import { selectChat, selectCurrentMessageList, selectIsForumPanelOpen } from '../../../global/selectors';
+import {
+  selectChat, selectCurrentMessageList, selectIsForumPanelOpen, selectTabState,
+} from '../../../global/selectors';
 import buildClassName from '../../../util/buildClassName';
 import { getOrderedTopics } from '../../../global/helpers';
 import captureEscKeyListener from '../../../util/captureEscKeyListener';
@@ -264,7 +266,7 @@ export default memo(withGlobal<OwnProps>(
   (global, ownProps, detachWhenChanged): StateProps => {
     detachWhenChanged(selectIsForumPanelOpen(global));
 
-    const chatId = global.forumPanelChatId;
+    const chatId = selectTabState(global).forumPanelChatId;
     const chat = chatId ? selectChat(global, chatId) : undefined;
     const {
       chatId: currentChatId,

src/components/left/main/LeftMainHeader.tsx

@@ -7,7 +7,7 @@ import { getActions, withGlobal } from '../../../global';
 import type { AnimationLevel, ISettings } from '../../../types';
 import { LeftColumnContent, SettingsScreens } from '../../../types';
 import type { ApiChat } from '../../../api/types';
-import type { GlobalState } from '../../../global/types';
+import type { TabState, GlobalState } from '../../../global/types';
 
 import {
   ANIMATION_LEVEL_MAX,
@@ -25,7 +25,7 @@ import { formatDateToString } from '../../../util/dateFormat';
 import switchTheme from '../../../util/switchTheme';
 import { setPermanentWebVersion } from '../../../util/permanentWebVersion';
 import { clearWebsync } from '../../../util/websync';
-import { selectCurrentMessageList, selectTheme } from '../../../global/selectors';
+import { selectCurrentMessageList, selectTabState, selectTheme } from '../../../global/selectors';
 import { isChatArchived } from '../../../global/helpers';
 import useLang from '../../../hooks/useLang';
 import useConnectionStatus from '../../../hooks/useConnectionStatus';
@@ -74,7 +74,7 @@ type StateProps =
     areChatsLoaded?: boolean;
     hasPasscode?: boolean;
   }
-  & Pick<GlobalState, 'connectionState' | 'isSyncing' | 'canInstall'>;
+  & Pick<GlobalState, 'connectionState' | 'isSyncing'> & Pick<TabState, 'canInstall'>;
 
 const ANIMATION_LEVEL_OPTIONS = [0, 1, 2];
 const LEGACY_VERSION_URL = 'https://web.telegram.org/?legacy=1';
@@ -153,7 +153,7 @@ const LeftMainHeader: FC<OwnProps & StateProps> = ({
     if (hasPasscode) {
       lockScreen();
     } else {
-      requestNextSettingsScreen(SettingsScreens.PasscodeDisabled);
+      requestNextSettingsScreen({ screen: SettingsScreens.PasscodeDisabled });
     }
   }, [hasPasscode, lockScreen, requestNextSettingsScreen]);
 
@@ -461,9 +461,10 @@ const LeftMainHeader: FC<OwnProps & StateProps> = ({
 
 export default memo(withGlobal<OwnProps>(
   (global): StateProps => {
+    const tabState = selectTabState(global);
     const {
       query: searchQuery, fetchingStatus, chatId, date,
-    } = global.globalSearch;
+    } = tabState.globalSearch;
     const { currentUserId, connectionState, isSyncing } = global;
     const { byId: chatsById } = global.chats;
     const { isConnectionStatusMinimized, animationLevel } = global.settings.byKey;
@@ -483,7 +484,7 @@ export default memo(withGlobal<OwnProps>(
       isConnectionStatusMinimized,
       areChatsLoaded: Boolean(global.chats.listIds.active),
       hasPasscode: Boolean(global.passcode.hasPasscode),
-      canInstall: Boolean(global.canInstall),
+      canInstall: Boolean(tabState.canInstall),
     };
   },
 )(LeftMainHeader));

src/components/left/newChat/NewChatStep1.tsx

@@ -4,6 +4,7 @@ import { getActions, getGlobal, withGlobal } from '../../../global';
 
 import type { ApiChat } from '../../../api/types';
 
+import { selectTabState } from '../../../global/selectors';
 import { unique } from '../../../util/iteratees';
 import { filterUsersByName, isUserBot, sortChatIds } from '../../../global/helpers';
 import useLang from '../../../hooks/useLang';
@@ -139,7 +140,7 @@ export default memo(withGlobal<OwnProps>(
       fetchingStatus,
       globalResults,
       localResults,
-    } = global.globalSearch;
+    } = selectTabState(global).globalSearch;
     const { userIds: globalUserIds } = globalResults || {};
     const { userIds: localUserIds } = localResults || {};
 

src/components/left/newChat/NewChatStep2.tsx

@@ -6,6 +6,7 @@ import { getActions, withGlobal } from '../../../global';
 
 import { ChatCreationProgress } from '../../../types';
 
+import { selectTabState } from '../../../global/selectors';
 import useLang from '../../../hooks/useLang';
 import useHistoryBack from '../../../hooks/useHistoryBack';
 
@@ -198,7 +199,7 @@ export default memo(withGlobal<OwnProps>(
     const {
       progress: creationProgress,
       error: creationError,
-    } = global.chatCreation || {};
+    } = selectTabState(global).chatCreation || {};
 
     return {
       creationProgress,

src/components/left/search/AudioResults.tsx

@@ -30,7 +30,6 @@ const AudioResults: FC<OwnProps & StateProps> = ({
   theme,
   isVoice,
   searchQuery,
-  searchChatId,
   isLoading,
   chatsById,
   usersById,
@@ -52,12 +51,10 @@ const AudioResults: FC<OwnProps & StateProps> = ({
       runThrottled(() => {
         searchMessagesGlobal({
           type: currentType,
-          query: searchQuery,
-          chatId: searchChatId,
         });
       });
     }
-  }, [currentType, lastSyncTime, searchMessagesGlobal, searchQuery, searchChatId]);
+  }, [currentType, lastSyncTime, searchMessagesGlobal]);
 
   const foundMessages = useMemo(() => {
     if (!foundIds || !globalMessagesByChatId) {

src/components/left/search/ChatMessageResults.tsx

@@ -5,6 +5,7 @@ import { getActions, withGlobal } from '../../../global';
 import type { ApiChat, ApiMessage } from '../../../api/types';
 import { LoadMoreDirection } from '../../../types';
 
+import { selectTabState } from '../../../global/selectors';
 import { MEMO_EMPTY_ARRAY } from '../../../util/memo';
 import { throttle } from '../../../util/schedulers';
 import { renderMessageSummary } from '../../common/helpers/renderMessageText';
@@ -39,7 +40,6 @@ const runThrottled = throttle((cb) => cb(), 500, true);
 
 const ChatMessageResults: FC<OwnProps & StateProps> = ({
   searchQuery,
-  currentUserId,
   dateSearchQuery,
   foundIds,
   globalMessagesByChatId,
@@ -61,12 +61,10 @@ const ChatMessageResults: FC<OwnProps & StateProps> = ({
       runThrottled(() => {
         searchMessagesGlobal({
           type: 'text',
-          query: searchQuery,
-          chatId: currentUserId,
         });
       });
     }
-  }, [currentUserId, lastSyncTime, searchMessagesGlobal, searchQuery]);
+  }, [lastSyncTime, searchMessagesGlobal]);
 
   const handleTopicClick = useCallback(
     (id: number) => {
@@ -171,7 +169,7 @@ export default memo(withGlobal<OwnProps>(
     const { currentUserId, messages: { byChatId: globalMessagesByChatId }, lastSyncTime } = global;
     const {
       fetchingStatus, resultsByType, foundTopicIds, chatId: searchChatId,
-    } = global.globalSearch;
+    } = selectTabState(global).globalSearch;
 
     const { foundIds } = (resultsByType?.text) || {};
 

src/components/left/search/ChatResults.tsx

@@ -7,6 +7,7 @@ import { getActions, getGlobal, withGlobal } from '../../../global';
 import type { ApiChat, ApiMessage } from '../../../api/types';
 import { LoadMoreDirection } from '../../../types';
 
+import { selectTabState } from '../../../global/selectors';
 import { unique } from '../../../util/iteratees';
 import {
   sortChatIds,
@@ -81,11 +82,10 @@ const ChatResults: FC<OwnProps & StateProps> = ({
       runThrottled(() => {
         searchMessagesGlobal({
           type: 'text',
-          query: searchQuery,
         });
       });
     }
-  }, [lastSyncTime, searchMessagesGlobal, searchQuery]);
+  }, [lastSyncTime, searchMessagesGlobal]);
 
   const handleChatClick = useCallback(
     (id: string) => {
@@ -303,7 +303,7 @@ export default memo(withGlobal<OwnProps>(
     } = global;
     const {
       fetchingStatus, globalResults, localResults, resultsByType,
-    } = global.globalSearch;
+    } = selectTabState(global).globalSearch;
     const { chatIds: globalChatIds, userIds: globalUserIds } = globalResults || {};
     const { chatIds: localChatIds, userIds: localUserIds } = localResults || {};
     const { byChatId: globalMessagesByChatId } = messages;

src/components/left/search/FileResults.tsx

@@ -35,7 +35,6 @@ const runThrottled = throttle((cb) => cb(), 500, true);
 
 const FileResults: FC<OwnProps & StateProps> = ({
   searchQuery,
-  searchChatId,
   isLoading,
   chatsById,
   usersById,
@@ -64,12 +63,10 @@ const FileResults: FC<OwnProps & StateProps> = ({
       runThrottled(() => {
         searchMessagesGlobal({
           type: CURRENT_TYPE,
-          query: searchQuery,
-          chatId: searchChatId,
         });
       });
     }
-  }, [lastSyncTime, searchMessagesGlobal, searchQuery, searchChatId]);
+  }, [lastSyncTime, searchMessagesGlobal]);
 
   const foundMessages = useMemo(() => {
     if (!foundIds || !globalMessagesByChatId) {

src/components/left/search/LeftSearch.tsx

@@ -6,6 +6,7 @@ import { getActions, withGlobal } from '../../../global';
 
 import { GlobalSearchContent } from '../../../types';
 
+import { selectTabState } from '../../../global/selectors';
 import { parseDateString } from '../../../util/dateFormat';
 import useKeyboardListNavigation from '../../../hooks/useKeyboardListNavigation';
 import useLang from '../../../hooks/useLang';
@@ -148,7 +149,7 @@ const LeftSearch: FC<OwnProps & StateProps> = ({
 
 export default memo(withGlobal<OwnProps>(
   (global): StateProps => {
-    const { currentContent, chatId } = global.globalSearch;
+    const { currentContent, chatId } = selectTabState(global).globalSearch;
 
     return { currentContent, chatId };
   },

src/components/left/search/LinkResults.tsx

@@ -33,7 +33,6 @@ const runThrottled = throttle((cb) => cb(), 500, true);
 
 const LinkResults: FC<OwnProps & StateProps> = ({
   searchQuery,
-  searchChatId,
   isLoading,
   chatsById,
   usersById,
@@ -62,12 +61,10 @@ const LinkResults: FC<OwnProps & StateProps> = ({
       runThrottled(() => {
         searchMessagesGlobal({
           type: CURRENT_TYPE,
-          query: searchQuery,
-          chatId: searchChatId,
         });
       });
     }
-  }, [lastSyncTime, searchMessagesGlobal, searchQuery, searchChatId]);
+  }, [lastSyncTime, searchMessagesGlobal]);
 
   const foundMessages = useMemo(() => {
     if (!foundIds || !globalMessagesByChatId) {

src/components/left/search/MediaResults.tsx

@@ -33,7 +33,6 @@ const runThrottled = throttle((cb) => cb(), 500, true);
 
 const MediaResults: FC<OwnProps & StateProps> = ({
   searchQuery,
-  searchChatId,
   isLoading,
   globalMessagesByChatId,
   foundIds,
@@ -60,12 +59,10 @@ const MediaResults: FC<OwnProps & StateProps> = ({
       runThrottled(() => {
         searchMessagesGlobal({
           type: CURRENT_TYPE,
-          query: searchQuery,
-          chatId: searchChatId,
         });
       });
     }
-  }, [lastSyncTime, searchMessagesGlobal, searchQuery, searchChatId]);
+  }, [lastSyncTime, searchMessagesGlobal]);
 
   const foundMessages = useMemo(() => {
     if (!foundIds || !globalMessagesByChatId) {

src/components/left/search/RecentContacts.tsx

@@ -68,6 +68,10 @@ const RecentContacts: FC<OwnProps & StateProps> = ({
     }, SEARCH_CLOSE_TIMEOUT_MS);
   }, [openChat, addRecentlyFoundChatId, onReset]);
 
+  const handleClearRecentlyFoundChats = useCallback(() => {
+    clearRecentlyFoundChats();
+  }, [clearRecentlyFoundChats]);
+
   const lang = useLang();
 
   return (
@@ -94,7 +98,7 @@ const RecentContacts: FC<OwnProps & StateProps> = ({
               size="smaller"
               color="translucent"
               ariaLabel="Clear recent chats"
-              onClick={clearRecentlyFoundChats}
+              onClick={handleClearRecentlyFoundChats}
               isRtl={lang.isRtl}
             >
               <i className="icon-close" />
@@ -116,7 +120,7 @@ export default memo(withGlobal<OwnProps>(
   (global): StateProps => {
     const { userIds: topUserIds } = global.topPeers;
     const usersById = global.users.byId;
-    const { recentlyFoundChatIds } = global.globalSearch;
+    const { recentlyFoundChatIds } = global;
     const { animationLevel } = global.settings.byKey;
 
     return {

src/components/left/search/helpers/createMapStateToProps.ts

@@ -4,7 +4,7 @@ import type {
 } from '../../../../api/types';
 import type { ISettings } from '../../../../types';
 
-import { selectChat, selectTheme } from '../../../../global/selectors';
+import { selectChat, selectTabState, selectTheme } from '../../../../global/selectors';
 
 export type StateProps = {
   theme: ISettings['theme'];
@@ -21,11 +21,12 @@ export type StateProps = {
 
 export function createMapStateToProps(type: ApiGlobalMessageSearchType) {
   return (global: GlobalState, props: any) => {
+    const tabState = selectTabState(global);
     const { byId: chatsById } = global.chats;
     const { byId: usersById } = global.users;
     const {
       fetchingStatus, resultsByType, chatId,
-    } = global.globalSearch;
+    } = tabState.globalSearch;
 
     // One component is used for two different types of results.
     // The differences between them are only in the isVoice property.
@@ -35,7 +36,7 @@ export function createMapStateToProps(type: ApiGlobalMessageSearchType) {
     const { byChatId: globalMessagesByChatId } = global.messages;
     const foundIds = resultsByType?.[currentType]?.foundIds;
 
-    const activeDownloads = global.activeDownloads.byChatId;
+    const activeDownloads = tabState.activeDownloads.byChatId;
 
     return {
       theme: selectTheme(global),

src/components/left/settings/BlockUserModal.tsx

@@ -6,6 +6,7 @@ import { getActions, withGlobal } from '../../../global';
 
 import type { ApiUser } from '../../../api/types';
 
+import { selectTabState } from '../../../global/selectors';
 import { filterUsersByName, getUserFullName } from '../../../global/helpers';
 import { unique } from '../../../util/iteratees';
 import useLang from '../../../hooks/useLang';
@@ -102,7 +103,7 @@ export default memo(withGlobal<OwnProps>(
       usersById,
       blockedIds,
       contactIds: contactList?.userIds,
-      localContactIds: global.userSearch.localUserIds,
+      localContactIds: selectTabState(global).userSearch.localUserIds,
       currentUserId,
     };
   },

src/components/left/settings/SettingsEditProfile.tsx

@@ -11,7 +11,7 @@ import { ProfileEditProgress } from '../../../types';
 
 import { PURCHASE_USERNAME, TME_LINK_PREFIX, USERNAME_PURCHASE_ERROR } from '../../../config';
 import { throttle } from '../../../util/schedulers';
-import { selectUser } from '../../../global/selectors';
+import { selectTabState, selectUser } from '../../../global/selectors';
 import { getChatAvatarHash } from '../../../global/helpers';
 import { selectCurrentLimit } from '../../../global/selectors/limits';
 import renderText from '../../common/helpers/renderText';
@@ -165,6 +165,8 @@ const SettingsEditProfile: FC<OwnProps & StateProps> = ({
     const trimmedLastName = lastName.trim();
     const trimmedBio = bio.trim();
 
+    if (!editableUsername) return;
+
     if (!trimmedFirstName.length) {
       setError(ERROR_FIRST_NAME_MISSING);
       return;
@@ -292,7 +294,7 @@ export default memo(withGlobal<OwnProps>(
     const { currentUserId } = global;
     const {
       progress, isUsernameAvailable, checkedUsername, error: editUsernameError,
-    } = global.profileEdit || {};
+    } = selectTabState(global).profileEdit || {};
     const currentUser = currentUserId ? selectUser(global, currentUserId) : undefined;
 
     const maxBioLength = selectCurrentLimit(global, 'aboutLength');

src/components/left/settings/SettingsGeneral.tsx

@@ -4,7 +4,7 @@ import React, {
 } from '../../../lib/teact/teact';
 import { getActions, withGlobal } from '../../../global';
 
-import type { ISettings, TimeFormat } from '../../../types';
+import type { AnimationLevel, ISettings, TimeFormat } from '../../../types';
 import { SettingsScreens } from '../../../types';
 
 import {
@@ -95,7 +95,7 @@ const SettingsGeneral: FC<OwnProps & StateProps> = ({
       document.body.classList.toggle(`animation-level-${i}`, newLevel === i);
     });
 
-    setSettingOption({ animationLevel: newLevel });
+    setSettingOption({ animationLevel: newLevel as AnimationLevel });
   }, [setSettingOption]);
 
   const handleMessageTextSizeChange = useCallback((newSize: number) => {
@@ -120,14 +120,14 @@ const SettingsGeneral: FC<OwnProps & StateProps> = ({
   }, [animationLevel, setSettingOption, theme]);
 
   const handleTimeFormatChange = useCallback((newTimeFormat: string) => {
-    setSettingOption({ timeFormat: newTimeFormat });
+    setSettingOption({ timeFormat: newTimeFormat as TimeFormat });
     setSettingOption({ wasTimeFormatSetManually: true });
 
     setTimeFormat(newTimeFormat as TimeFormat);
   }, [setSettingOption]);
 
   const handleMessageSendComboChange = useCallback((newCombo: string) => {
-    setSettingOption({ messageSendKeyCombo: newCombo });
+    setSettingOption({ messageSendKeyCombo: newCombo as ISettings['messageSendKeyCombo'] });
   }, [setSettingOption]);
 
   useHistoryBack({

src/components/left/settings/SettingsGeneralBackground.tsx

@@ -56,7 +56,7 @@ const SettingsGeneralBackground: FC<OwnProps & StateProps> = ({
     setThemeSettings,
   } = getActions();
 
-  const themeRef = useRef<string>();
+  const themeRef = useRef<ThemeKey>();
   themeRef.current = theme;
   // Due to the parent Transition, this component never gets unmounted,
   // that's why we use throttled API call on every update.
@@ -94,20 +94,20 @@ const SettingsGeneralBackground: FC<OwnProps & StateProps> = ({
   }, [setThemeSettings, theme]);
 
   const handleWallPaperSelect = useCallback((slug: string) => {
-    setThemeSettings({ theme: themeRef.current, background: slug });
+    setThemeSettings({ theme: themeRef.current!, background: slug });
     const currentWallpaper = loadedWallpapers && loadedWallpapers.find((wallpaper) => wallpaper.slug === slug);
     if (currentWallpaper?.document.thumbnail) {
       getAverageColor(currentWallpaper.document.thumbnail.dataUri)
         .then((color) => {
           const patternColor = getPatternColor(color);
           const rgbColor = `#${rgb2hex(color)}`;
-          setThemeSettings({ theme: themeRef.current, backgroundColor: rgbColor, patternColor });
+          setThemeSettings({ theme: themeRef.current!, backgroundColor: rgbColor, patternColor });
         });
     }
   }, [loadedWallpapers, setThemeSettings]);
 
   const handleWallPaperBlurChange = useCallback((e: React.ChangeEvent<HTMLInputElement>) => {
-    setThemeSettings({ theme: themeRef.current, isBlurred: e.target.checked });
+    setThemeSettings({ theme: themeRef.current!, isBlurred: e.target.checked });
   }, [setThemeSettings]);
 
   const lang = useLang();

src/components/left/settings/SettingsGeneralBackgroundColor.tsx

@@ -59,7 +59,7 @@ const SettingsGeneralBackground: FC<OwnProps & StateProps> = ({
 }) => {
   const { setThemeSettings } = getActions();
 
-  const themeRef = useRef<string>();
+  const themeRef = useRef<ThemeKey>();
   themeRef.current = theme;
   // eslint-disable-next-line no-null/no-null
   const containerRef = useRef<HTMLDivElement>(null);
@@ -156,7 +156,7 @@ const SettingsGeneralBackground: FC<OwnProps & StateProps> = ({
     if (!isFirstRunRef.current) {
       const patternColor = getPatternColor(rgb);
       setThemeSettings({
-        theme: themeRef.current,
+        theme: themeRef.current!,
         background: undefined,
         backgroundColor: color,
         patternColor,

src/components/left/settings/SettingsHeader.tsx

@@ -58,7 +58,7 @@ const SettingsHeader: FC<OwnProps> = ({
 
   const handleSignOutMessage = useCallback(() => {
     closeSignOutConfirmation();
-    signOut();
+    signOut({ forceInitApi: true });
   }, [closeSignOutConfirmation, signOut]);
 
   const SettingsMenuButton: FC<{ onTrigger: () => void; isOpen?: boolean }> = useMemo(() => {

src/components/left/settings/SettingsLanguage.tsx

@@ -48,7 +48,7 @@ const SettingsLanguage: FC<OwnProps & StateProps> = ({
     void setLanguage(langCode as LangCode, () => {
       unmarkIsLoading();
 
-      setSettingOption({ language: langCode });
+      setSettingOption({ language: langCode as LangCode });
 
       loadAttachBots(); // Should be refetched every language change
     });

src/components/left/settings/SettingsPrivacy.tsx

@@ -108,6 +108,10 @@ const SettingsPrivacy: FC<OwnProps & StateProps> = ({
     }
   }, [isCurrentUserPremium, lang, onScreenSelect, showNotification]);
 
+  const handleUpdateContentSettings = useCallback((isChecked: boolean) => {
+    updateContentSettings(isChecked);
+  }, [updateContentSettings]);
+
   function getVisibilityValue(setting?: ApiPrivacySettings) {
     const { visibility } = setting || {};
     const blockCount = setting ? setting.blockChatIds.length + setting.blockUserIds.length : 0;
@@ -318,7 +322,7 @@ const SettingsPrivacy: FC<OwnProps & StateProps> = ({
             subLabel={lang('lng_settings_sensitive_about')}
             checked={Boolean(isSensitiveEnabled)}
             disabled={!canChangeSensitive}
-            onCheck={updateContentSettings}
+            onCheck={handleUpdateContentSettings}
           />
         </div>
       )}

src/components/left/settings/SettingsPrivacyVisibility.tsx

@@ -171,7 +171,7 @@ const SettingsPrivacyVisibility: FC<OwnProps & StateProps> = ({
 
   const handleVisibilityChange = useCallback((value) => {
     setPrivacyVisibility({
-      privacyKey,
+      privacyKey: privacyKey!,
       visibility: value,
     });
   }, [privacyKey, setPrivacyVisibility]);

src/components/left/settings/SettingsPrivacyVisibilityExceptionList.tsx

@@ -86,7 +86,7 @@ const SettingsPrivacyVisibilityExceptionList: FC<OwnProps & StateProps> = ({
 
   const handleSubmit = useCallback(() => {
     setPrivacySettings({
-      privacyKey: getPrivacyKey(screen),
+      privacyKey: getPrivacyKey(screen)!,
       isAllowList: Boolean(isAllowList),
       contactsIds: newSelectedContactIds,
     });

src/components/left/settings/folders/SettingsFoldersEdit.tsx

@@ -4,6 +4,8 @@ import React, {
 } from '../../../../lib/teact/teact';
 import { getActions, withGlobal } from '../../../../global';
 
+import type { ApiChatFolder } from '../../../../api/types';
+
 import { STICKER_SIZE_FOLDER_SETTINGS } from '../../../../config';
 import { LOCAL_TGS_URLS } from '../../../common/helpers/animatedAssets';
 import { findIntersectionWithSet } from '../../../../util/iteratees';
@@ -142,9 +144,9 @@ const SettingsFoldersEdit: FC<OwnProps & StateProps> = ({
 
     dispatch({ type: 'setIsLoading', payload: true });
     if (state.mode === 'edit') {
-      editChatFolder({ id: state.folderId, folderUpdate: state.folder });
+      editChatFolder({ id: state.folderId!, folderUpdate: state.folder });
     } else {
-      addChatFolder({ folder: state.folder });
+      addChatFolder({ folder: state.folder as ApiChatFolder });
     }
 
     setTimeout(() => {

src/components/left/settings/twoFa/SettingsTwoFa.tsx

@@ -142,7 +142,7 @@ const SettingsTwoFa: FC<OwnProps & StateProps> = ({
     dispatch({ type: 'setEmail', payload: value });
     updateRecoveryEmail({
       ...state,
-      email: value,
+      email: value!,
       onSuccess: () => {
         onScreenSelect(SettingsScreens.TwoFaCongratulations);
       },

src/components/main/AttachBotRecipientPicker.tsx

@@ -2,7 +2,7 @@ import React, { memo, useCallback, useEffect } from '../../lib/teact/teact';
 import { getActions } from '../../global';
 
 import type { FC } from '../../lib/teact/teact';
-import type { GlobalState } from '../../global/types';
+import type { TabState } from '../../global/types';
 
 import useLang from '../../hooks/useLang';
 import useFlag from '../../hooks/useFlag';
@@ -10,7 +10,7 @@ import useFlag from '../../hooks/useFlag';
 import RecipientPicker from '../common/RecipientPicker';
 
 export type OwnProps = {
-  requestedAttachBotInChat?: GlobalState['requestedAttachBotInChat'];
+  requestedAttachBotInChat?: TabState['requestedAttachBotInChat'];
 };
 
 const AttachBotRecipientPicker: FC<OwnProps> = ({

src/components/main/ConfettiContainer.tsx

@@ -1,11 +1,12 @@
 import React, { memo, useRef } from '../../lib/teact/teact';
 import { withGlobal } from '../../global';
 
-import type { GlobalState } from '../../global/types';
+import type { TabState } from '../../global/types';
 import type { FC } from '../../lib/teact/teact';
 
 import { pick } from '../../util/iteratees';
 import buildStyle from '../../util/buildStyle';
+import { selectTabState } from '../../global/selectors';
 
 import useWindowSize from '../../hooks/useWindowSize';
 import useOnChange from '../../hooks/useOnChange';
@@ -15,7 +16,7 @@ import useAppLayout from '../../hooks/useAppLayout';
 import styles from './ConfettiContainer.module.scss';
 
 type StateProps = {
-  confetti?: GlobalState['confetti'];
+  confetti?: TabState['confetti'];
 };
 
 interface Confetti {
@@ -203,5 +204,5 @@ const ConfettiContainer: FC<StateProps> = ({ confetti }) => {
 };
 
 export default memo(withGlobal(
-  (global): StateProps => pick(global, ['confetti']),
+  (global): StateProps => pick(selectTabState(global), ['confetti']),
 )(ConfettiContainer));

src/components/main/DeleteFolderDialog.tsx

@@ -18,7 +18,7 @@ const DeleteFolderDialog: FC<OwnProps> = ({
 
   const handleDeleteFolderMessage = useCallback(() => {
     closeDeleteChatFolderModal();
-    deleteChatFolder({ id: deleteFolderDialogId });
+    deleteChatFolder({ id: deleteFolderDialogId! });
   }, [closeDeleteChatFolderModal, deleteChatFolder, deleteFolderDialogId]);
 
   return (

src/components/main/Dialogs.tsx

@@ -7,6 +7,7 @@ import type {
 } from '../../api/types';
 import type { AnimationLevel } from '../../types';
 
+import { selectTabState } from '../../global/selectors';
 import getReadableErrorText from '../../util/getReadableErrorText';
 import { pick } from '../../util/iteratees';
 import renderText from '../common/helpers/renderText';
@@ -20,7 +21,7 @@ import Avatar from '../common/Avatar';
 import './Dialogs.scss';
 
 type StateProps = {
-  dialogs: (ApiError | ApiInviteInfo)[];
+  dialogs: (ApiError | ApiInviteInfo | ApiContact)[];
   animationLevel: AnimationLevel;
 };
 
@@ -198,7 +199,7 @@ function getErrorHeader(error: ApiError) {
 export default memo(withGlobal(
   (global): StateProps => {
     return {
-      dialogs: global.dialogs,
+      dialogs: selectTabState(global).dialogs,
       animationLevel: global.settings.byKey.animationLevel,
     };
   },

src/components/main/DownloadManager.tsx

@@ -6,6 +6,7 @@ import type { Thread } from '../../global/types';
 import type { ApiMessage } from '../../api/types';
 import { ApiMediaFormat } from '../../api/types';
 
+import { selectTabState } from '../../global/selectors';
 import { IS_OPFS_SUPPORTED, IS_SERVICE_WORKER_SUPPORTED, MAX_BUFFER_SIZE } from '../../util/environment';
 import * as mediaLoader from '../../util/mediaLoader';
 import download from '../../util/download';
@@ -113,7 +114,7 @@ const DownloadManager: FC<StateProps> = ({
 
 export default memo(withGlobal(
   (global): StateProps => {
-    const activeDownloads = global.activeDownloads.byChatId;
+    const activeDownloads = selectTabState(global).activeDownloads.byChatId;
     const messages = global.messages.byChatId;
     return {
       activeDownloads,

src/components/main/DraftRecipientPicker.tsx

@@ -4,7 +4,7 @@ import React, {
 } from '../../lib/teact/teact';
 import { getActions } from '../../global';
 
-import type { GlobalState } from '../../global/types';
+import type { TabState } from '../../global/types';
 
 import useLang from '../../hooks/useLang';
 import useFlag from '../../hooks/useFlag';
@@ -12,7 +12,7 @@ import useFlag from '../../hooks/useFlag';
 import RecipientPicker from '../common/RecipientPicker';
 
 export type OwnProps = {
-  requestedDraft?: GlobalState['requestedDraft'];
+  requestedDraft?: TabState['requestedDraft'];
 };
 
 const DraftRecipientPicker: FC<OwnProps> = ({

src/components/main/ForwardRecipientPicker.tsx

@@ -4,6 +4,7 @@ import React, {
 } from '../../lib/teact/teact';
 import { getActions, withGlobal } from '../../global';
 
+import { selectTabState } from '../../global/selectors';
 import useLang from '../../hooks/useLang';
 import useFlag from '../../hooks/useFlag';
 
@@ -74,6 +75,6 @@ const ForwardRecipientPicker: FC<OwnProps & StateProps> = ({
 export default memo(withGlobal<OwnProps>((global): StateProps => {
   return {
     currentUserId: global.currentUserId,
-    isManyMessages: (global.forwardMessages.messageIds?.length || 0) > 1,
+    isManyMessages: (selectTabState(global).forwardMessages.messageIds?.length || 0) > 1,
   };
 })(ForwardRecipientPicker));

src/components/main/GameModal.tsx

@@ -2,7 +2,7 @@ import React, { memo, useCallback, useEffect } from '../../lib/teact/teact';
 import { getActions } from '../../lib/teact/teactn';
 
 import type { FC } from '../../lib/teact/teact';
-import type { GlobalState } from '../../global/types';
+import type { TabState } from '../../global/types';
 import { MAIN_THREAD_ID } from '../../api/types';
 
 import { withGlobal } from '../../global';
@@ -22,7 +22,7 @@ type GameEvents = { eventType: 'share_score' | 'share_game' };
 const PLAY_GAME_ACTION_INTERVAL = 5000;
 
 type OwnProps = {
-  openedGame?: GlobalState['openedGame'];
+  openedGame?: TabState['openedGame'];
   gameTitle?: string;
 };
 

src/components/main/HistoryCalendar.tsx

@@ -2,6 +2,7 @@ import type { FC } from '../../lib/teact/teact';
 import React, { memo, useCallback } from '../../lib/teact/teact';
 import { getActions, withGlobal } from '../../global';
 
+import { selectTabState } from '../../global/selectors';
 import useLang from '../../hooks/useLang';
 
 import CalendarModal from '../common/CalendarModal';
@@ -40,6 +41,6 @@ const HistoryCalendar: FC<OwnProps & StateProps> = ({
 
 export default memo(withGlobal<OwnProps>(
   (global): StateProps => {
-    return { selectedAt: global.historyCalendarSelectedAt };
+    return { selectedAt: selectTabState(global).historyCalendarSelectedAt };
   },
 )(HistoryCalendar));

src/components/main/LockScreen.tsx

@@ -90,7 +90,7 @@ const LockScreen: FC<OwnProps & StateProps> = ({
 
   const handleSignOutMessage = useCallback(() => {
     closeSignOutConfirmation();
-    signOut();
+    signOut({ forceInitApi: true });
   }, [closeSignOutConfirmation, signOut]);
 
   if (!shouldRender) {

src/components/main/Main.tsx

@@ -9,7 +9,7 @@ import type {
   ApiAttachBot,
   ApiChat, ApiMessage, ApiUser,
 } from '../../api/types';
-import type { ApiLimitTypeWithModal, GlobalState } from '../../global/types';
+import type { ApiLimitTypeWithModal, TabState } from '../../global/types';
 
 import '../../global/actions/all';
 import {
@@ -18,6 +18,7 @@ import {
 import { IS_ANDROID } from '../../util/environment';
 import {
   selectChatMessage,
+  selectTabState,
   selectCurrentMessageList,
   selectIsForwardModalOpen,
   selectIsMediaViewerOpen,
@@ -28,7 +29,6 @@ import {
 import buildClassName from '../../util/buildClassName';
 import { waitForTransitionEnd } from '../../util/cssAnimationEndListeners';
 import { processDeepLink } from '../../util/deeplink';
-import { getAllNotificationsCount } from '../../util/folderManager';
 import { parseInitialLocationHash, parseLocationHash } from '../../util/routing';
 import { fastRaf } from '../../util/schedulers';
 
@@ -42,6 +42,8 @@ import useShowTransition from '../../hooks/useShowTransition';
 import { dispatchHeavyAnimationEvent } from '../../hooks/useHeavyAnimationCheck';
 import useInterval from '../../hooks/useInterval';
 import useAppLayout from '../../hooks/useAppLayout';
+import updatePageTitle from '../../util/updatePageTitle';
+import updateIcon from '../../util/updateIcon';
 
 import StickerSetModal from '../common/StickerSetModal.async';
 import UnreadCount from '../common/UnreadCounter';
@@ -84,6 +86,7 @@ export interface OwnProps {
 }
 
 type StateProps = {
+  isMasterTab?: boolean;
   chat?: ApiChat;
   lastSyncTime?: number;
   isLeftColumnOpen: boolean;
@@ -109,29 +112,26 @@ type StateProps = {
   addedCustomEmojiIds?: string[];
   newContactUserId?: string;
   newContactByPhoneNumber?: boolean;
-  openedGame?: GlobalState['openedGame'];
+  openedGame?: TabState['openedGame'];
   gameTitle?: string;
   isRatePhoneCallModalOpen?: boolean;
-  webApp?: GlobalState['webApp'];
+  webApp?: TabState['webApp'];
   isPremiumModalOpen?: boolean;
-  botTrustRequest?: GlobalState['botTrustRequest'];
+  botTrustRequest?: TabState['botTrustRequest'];
   botTrustRequestBot?: ApiUser;
   attachBotToInstall?: ApiAttachBot;
-  requestedAttachBotInChat?: GlobalState['requestedAttachBotInChat'];
+  requestedAttachBotInChat?: TabState['requestedAttachBotInChat'];
-  requestedDraft?: GlobalState['requestedDraft'];
+  requestedDraft?: TabState['requestedDraft'];
   currentUser?: ApiUser;
-  urlAuth?: GlobalState['urlAuth'];
+  urlAuth?: TabState['urlAuth'];
   limitReached?: ApiLimitTypeWithModal;
   deleteFolderDialogId?: number;
   isPaymentModalOpen?: boolean;
   isReceiptModalOpen?: boolean;
 };
 
-const NOTIFICATION_INTERVAL = 1000;
 const APP_OUTDATED_TIMEOUT_MS = 5 * 60 * 1000; // 5 min
 
-let notificationInterval: number | undefined;
-
 // eslint-disable-next-line @typescript-eslint/naming-convention
 let DEBUG_isLogged = false;
 
@@ -177,12 +177,14 @@ const Main: FC<OwnProps & StateProps> = ({
   isPaymentModalOpen,
   isReceiptModalOpen,
   deleteFolderDialogId,
+  isMasterTab,
 }) => {
   const {
     loadAnimatedEmojis,
     loadNotificationSettings,
     loadNotificationExceptions,
     updateIsOnline,
+    onTabFocusChange,
     loadTopInlineBots,
     loadEmojiKeywords,
     loadCountryList,
@@ -224,11 +226,11 @@ const Main: FC<OwnProps & StateProps> = ({
     }
   }, [isDesktop, isLeftColumnOpen, isMiddleColumnOpen, toggleLeftColumn]);
 
-  useInterval(checkAppVersion, APP_OUTDATED_TIMEOUT_MS, true);
+  useInterval(checkAppVersion, isMasterTab ? APP_OUTDATED_TIMEOUT_MS : undefined, true);
 
   // Initial API calls
   useEffect(() => {
-    if (lastSyncTime) {
+    if (lastSyncTime && isMasterTab) {
       updateIsOnline(true);
       loadConfig();
       loadAppConfig();
@@ -248,33 +250,33 @@ const Main: FC<OwnProps & StateProps> = ({
   }, [
     lastSyncTime, loadAnimatedEmojis, loadEmojiKeywords, loadNotificationExceptions, loadNotificationSettings,
     loadTopInlineBots, updateIsOnline, loadAvailableReactions, loadAppConfig, loadAttachBots, loadContactList,
-    loadPremiumGifts, checkAppVersion, loadConfig, loadGenericEmojiEffects, loadDefaultTopicIcons,
+    loadPremiumGifts, checkAppVersion, loadConfig, loadGenericEmojiEffects, loadDefaultTopicIcons, isMasterTab,
   ]);
 
   // Language-based API calls
   useEffect(() => {
-    if (lastSyncTime) {
+    if (lastSyncTime && isMasterTab) {
       if (language !== BASE_EMOJI_KEYWORD_LANG) {
-        loadEmojiKeywords({ language });
+        loadEmojiKeywords({ language: language! });
       }
 
       loadCountryList({ langCode: language });
     }
-  }, [language, lastSyncTime, loadCountryList, loadEmojiKeywords]);
+  }, [language, lastSyncTime, loadCountryList, loadEmojiKeywords, isMasterTab]);
 
   // Re-fetch cached saved emoji for `localDb`
   useEffectWithPrevDeps(([prevLastSyncTime]) => {
-    if (!prevLastSyncTime && lastSyncTime) {
+    if (!prevLastSyncTime && lastSyncTime && isMasterTab) {
       loadCustomEmojis({
         ids: Object.keys(getGlobal().customEmojis.byId),
         ignoreCache: true,
       });
     }
-  }, [lastSyncTime] as const);
+  }, [lastSyncTime, isMasterTab] as const);
 
   // Sticker sets
   useEffect(() => {
-    if (lastSyncTime) {
+    if (lastSyncTime && isMasterTab) {
       if (!addedSetIds || !addedCustomEmojiIds) {
         loadStickerSets();
         loadFavoriteStickers();
@@ -284,14 +286,17 @@ const Main: FC<OwnProps & StateProps> = ({
         loadAddedStickers();
       }
     }
-  }, [lastSyncTime, addedSetIds, loadStickerSets, loadFavoriteStickers, loadAddedStickers, addedCustomEmojiIds]);
+  }, [
+    lastSyncTime, addedSetIds, loadStickerSets, loadFavoriteStickers, loadAddedStickers, addedCustomEmojiIds,
+    isMasterTab,
+  ]);
 
   // Check version when service chat is ready
   useEffect(() => {
-    if (lastSyncTime && isServiceChatReady) {
+    if (lastSyncTime && isServiceChatReady && isMasterTab) {
       checkVersionNotification();
     }
-  }, [lastSyncTime, isServiceChatReady, checkVersionNotification]);
+  }, [lastSyncTime, isServiceChatReady, checkVersionNotification, isMasterTab]);
 
   // Ensure time format
   useEffect(() => {
@@ -391,45 +396,18 @@ const Main: FC<OwnProps & StateProps> = ({
   );
 
   const handleBlur = useCallback(() => {
-    updateIsOnline(false);
+    onTabFocusChange({ isBlurred: true });
-
+  }, [onTabFocusChange]);
-    const initialUnread = getAllNotificationsCount();
-    let index = 0;
-
-    clearInterval(notificationInterval);
-    notificationInterval = window.setInterval(() => {
-      if (document.title.includes(INACTIVE_MARKER)) {
-        updateIcon(false);
-        return;
-      }
-
-      if (index % 2 === 0) {
-        const newUnread = getAllNotificationsCount() - initialUnread;
-        if (newUnread > 0) {
-          updatePageTitle(`${newUnread} notification${newUnread > 1 ? 's' : ''}`);
-          updateIcon(true);
-        }
-      } else {
-        updatePageTitle(PAGE_TITLE);
-        updateIcon(false);
-      }
-
-      index++;
-    }, NOTIFICATION_INTERVAL);
-  }, [updateIsOnline]);
 
   const handleFocus = useCallback(() => {
-    updateIsOnline(true);
+    onTabFocusChange({ isBlurred: false });
-
-    clearInterval(notificationInterval);
-    notificationInterval = undefined;
 
     if (!document.title.includes(INACTIVE_MARKER)) {
       updatePageTitle(PAGE_TITLE);
     }
 
     updateIcon(false);
-  }, [updateIsOnline]);
+  }, [onTabFocusChange]);
 
   const handleStickerSetModalClose = useCallback(() => {
     closeStickerSetModal();
@@ -494,27 +472,6 @@ const Main: FC<OwnProps & StateProps> = ({
   );
 };
 
-function updateIcon(asUnread: boolean) {
-  document.querySelectorAll<HTMLLinkElement>('link[rel="icon"], link[rel="alternate icon"]')
-    .forEach((link) => {
-      if (asUnread) {
-        if (!link.href.includes('favicon-unread')) {
-          link.href = link.href.replace('favicon', 'favicon-unread');
-        }
-      } else {
-        link.href = link.href.replace('favicon-unread', 'favicon');
-      }
-    });
-}
-
-// For some reason setting `document.title` to the same value
-// causes increment of Chrome Dev Tools > Performance Monitor > DOM Nodes counter
-function updatePageTitle(nextTitle: string) {
-  if (document.title !== nextTitle) {
-    document.title = nextTitle;
-  }
-}
-
 export default memo(withGlobal<OwnProps>(
   (global, { isMobile }): StateProps => {
     const {
@@ -523,6 +480,10 @@ export default memo(withGlobal<OwnProps>(
           animationLevel, language, wasTimeFormatSetManually,
         },
       },
+      lastSyncTime,
+    } = global;
+
+    const {
       botTrustRequest,
       requestedAttachBotInstall,
       requestedAttachBotInChat,
@@ -530,16 +491,28 @@ export default memo(withGlobal<OwnProps>(
       urlAuth,
       webApp,
       safeLinkModalUrl,
-      lastSyncTime,
       openedStickerSetShortName,
       openedCustomEmojiSetIds,
       shouldSkipHistoryAnimations,
-    } = global;
+      openedGame,
-    const { chatId: audioChatId, messageId: audioMessageId } = global.audioPlayer;
+      audioPlayer,
+      isLeftColumnShown,
+      historyCalendarSelectedAt,
+      notifications,
+      dialogs,
+      newContact,
+      ratingPhoneCall,
+      premiumModal,
+      isMasterTab,
+      payment,
+      limitReachedModal,
+      deleteFolderDialogModal,
+    } = selectTabState(global);
+
+    const { chatId: audioChatId, messageId: audioMessageId } = audioPlayer;
     const audioMessage = audioChatId && audioMessageId
       ? selectChatMessage(global, audioChatId, audioMessageId)
       : undefined;
-    const openedGame = global.openedGame;
     const gameMessage = openedGame && selectChatMessage(global, openedGame.chatId, openedGame.messageId);
     const gameTitle = gameMessage?.content.game?.title;
     const currentUser = global.currentUserId ? selectUser(global, global.currentUserId) : undefined;
@@ -547,32 +520,32 @@ export default memo(withGlobal<OwnProps>(
 
     return {
       lastSyncTime,
-      isLeftColumnOpen: global.isLeftColumnShown,
+      isLeftColumnOpen: isLeftColumnShown,
       isMiddleColumnOpen: Boolean(chatId),
       isRightColumnOpen: selectIsRightColumnShown(global, isMobile),
       isMediaViewerOpen: selectIsMediaViewerOpen(global),
       isForwardModalOpen: selectIsForwardModalOpen(global),
-      hasNotifications: Boolean(global.notifications.length),
+      hasNotifications: Boolean(notifications.length),
-      hasDialogs: Boolean(global.dialogs.length),
+      hasDialogs: Boolean(dialogs.length),
       audioMessage,
       safeLinkModalUrl,
-      isHistoryCalendarOpen: Boolean(global.historyCalendarSelectedAt),
+      isHistoryCalendarOpen: Boolean(historyCalendarSelectedAt),
       shouldSkipHistoryAnimations,
       openedStickerSetShortName,
       openedCustomEmojiSetIds,
       isServiceChatReady: selectIsServiceChatReady(global),
-      activeGroupCallId: global.groupCalls.activeGroupCallId,
+      activeGroupCallId: isMasterTab ? global.groupCalls.activeGroupCallId : undefined,
       animationLevel,
       language,
       wasTimeFormatSetManually,
-      isPhoneCallActive: Boolean(global.phoneCall),
+      isPhoneCallActive: isMasterTab ? Boolean(global.phoneCall) : undefined,
       addedSetIds: global.stickers.added.setIds,
       addedCustomEmojiIds: global.customEmojis.added.setIds,
-      newContactUserId: global.newContact?.userId,
+      newContactUserId: newContact?.userId,
-      newContactByPhoneNumber: global.newContact?.isByPhoneNumber,
+      newContactByPhoneNumber: newContact?.isByPhoneNumber,
       openedGame,
       gameTitle,
-      isRatePhoneCallModalOpen: Boolean(global.ratingPhoneCall),
+      isRatePhoneCallModalOpen: Boolean(ratingPhoneCall),
       botTrustRequest,
       botTrustRequestBot: botTrustRequest && selectUser(global, botTrustRequest.botId),
       attachBotToInstall: requestedAttachBotInstall?.bot,
@@ -580,11 +553,12 @@ export default memo(withGlobal<OwnProps>(
       webApp,
       currentUser,
       urlAuth,
-      isPremiumModalOpen: global.premiumModal?.isOpen,
+      isPremiumModalOpen: premiumModal?.isOpen,
-      limitReached: global.limitReachedModal?.limit,
+      limitReached: limitReachedModal?.limit,
-      isPaymentModalOpen: global.payment.isPaymentModalOpen,
+      isPaymentModalOpen: payment.isPaymentModalOpen,
-      isReceiptModalOpen: Boolean(global.payment.receipt),
+      isReceiptModalOpen: Boolean(payment.receipt),
-      deleteFolderDialogId: global.deleteFolderDialogModal,
+      deleteFolderDialogId: deleteFolderDialogModal,
+      isMasterTab,
       requestedDraft,
     };
   },

src/components/main/Notifications.tsx

@@ -4,6 +4,7 @@ import { getActions, withGlobal } from '../../global';
 
 import type { ApiNotification } from '../../api/types';
 
+import { selectTabState } from '../../global/selectors';
 import { pick } from '../../util/iteratees';
 import renderText from '../common/helpers/renderText';
 
@@ -40,5 +41,5 @@ const Notifications: FC<StateProps> = ({ notifications }) => {
 };
 
 export default memo(withGlobal(
-  (global): StateProps => pick(global, ['notifications']),
+  (global): StateProps => pick(selectTabState(global), ['notifications']),
 )(Notifications));

src/components/main/UrlAuthModal.tsx

@@ -5,7 +5,7 @@ import { getActions, getGlobal } from '../../global';
 
 import type { FC } from '../../lib/teact/teact';
 import type { ApiUser } from '../../api/types';
-import type { GlobalState } from '../../global/types';
+import type { TabState } from '../../global/types';
 
 import { ensureProtocol } from '../../util/ensureProtocol';
 import renderText from '../common/helpers/renderText';
@@ -20,7 +20,7 @@ import Checkbox from '../ui/Checkbox';
 import styles from './UrlAuthModal.module.scss';
 
 export type OwnProps = {
-  urlAuth?: GlobalState['urlAuth'];
+  urlAuth?: TabState['urlAuth'];
   currentUser?: ApiUser;
 };
 

src/components/main/WebAppModal.tsx

@@ -5,12 +5,14 @@ import { getActions, withGlobal } from '../../global';
 
 import type { FC } from '../../lib/teact/teact';
 import type { ApiAttachBot, ApiChat, ApiUser } from '../../api/types';
-import type { GlobalState } from '../../global/types';
+import type { TabState } from '../../global/types';
 import type { ThemeKey } from '../../types';
 import type { PopupOptions, WebAppInboundEvent } from './hooks/useWebAppFrame';
 
 import { TME_LINK_PREFIX } from '../../config';
-import { selectCurrentChat, selectTheme, selectUser } from '../../global/selectors';
+import {
+  selectCurrentChat, selectTabState, selectTheme, selectUser,
+} from '../../global/selectors';
 import buildClassName from '../../util/buildClassName';
 import { extractCurrentThemeParams, validateHexColor } from '../../util/themeStyle';
 
@@ -41,7 +43,7 @@ type WebAppButton = {
 };
 
 export type OwnProps = {
-  webApp?: GlobalState['webApp'];
+  webApp?: TabState['webApp'];
 };
 
 type StateProps = {
@@ -50,7 +52,7 @@ type StateProps = {
   attachBot?: ApiAttachBot;
   theme?: ThemeKey;
   isPaymentModalOpen?: boolean;
-  paymentStatus?: GlobalState['payment']['status'];
+  paymentStatus?: TabState['payment']['status'];
 };
 
 const NBSP = '\u00A0';
@@ -504,7 +506,7 @@ export default memo(withGlobal<OwnProps>(
     const bot = botId ? selectUser(global, botId) : undefined;
     const chat = selectCurrentChat(global);
     const theme = selectTheme(global);
-    const { isPaymentModalOpen, status } = global.payment;
+    const { isPaymentModalOpen, status } = selectTabState(global).payment;
 
     return {
       attachBot,

src/components/main/premium/GiftPremiumModal.tsx

@@ -10,7 +10,7 @@ import type { AnimationLevel } from '../../../types';
 import { formatCurrency } from '../../../util/formatCurrency';
 import renderText from '../../common/helpers/renderText';
 import { getUserFirstOrLastName } from '../../../global/helpers';
-import { selectUser } from '../../../global/selectors';
+import { selectTabState, selectUser } from '../../../global/selectors';
 
 import useCurrentOrPrev from '../../../hooks/useCurrentOrPrev';
 import useLang from '../../../hooks/useLang';
@@ -160,7 +160,7 @@ const GiftPremiumModal: FC<OwnProps & StateProps> = ({
 };
 
 export default memo(withGlobal<OwnProps>((global): StateProps => {
-  const { forUserId, monthlyCurrency, monthlyAmount } = global.giftPremiumModal || {};
+  const { forUserId, monthlyCurrency, monthlyAmount } = selectTabState(global).giftPremiumModal || {};
   const user = forUserId ? selectUser(global, forUserId) : undefined;
   const gifts = user ? user.fullInfo?.premiumGifts : undefined;
 

src/components/main/premium/PremiumMainModal.tsx

@@ -15,7 +15,7 @@ import PremiumFeatureModal, {
 import { TME_LINK_PREFIX } from '../../../config';
 import { formatCurrency } from '../../../util/formatCurrency';
 import buildClassName from '../../../util/buildClassName';
-import { selectIsCurrentUserPremium, selectUser } from '../../../global/selectors';
+import { selectTabState, selectIsCurrentUserPremium, selectUser } from '../../../global/selectors';
 import { renderTextWithEntities } from '../../common/helpers/renderTextWithEntities';
 import { selectPremiumLimit } from '../../../global/selectors/limits';
 import renderText from '../../common/helpers/renderText';
@@ -309,16 +309,19 @@ const PremiumMainModal: FC<OwnProps & StateProps> = ({
 };
 
 export default memo(withGlobal<OwnProps>((global): StateProps => {
+  const {
+    premiumModal,
+  } = selectTabState(global);
   return {
     currentUserId: global.currentUserId,
-    promo: global.premiumModal?.promo,
+    promo: premiumModal?.promo,
-    isClosing: global.premiumModal?.isClosing,
+    isClosing: premiumModal?.isClosing,
-    isSuccess: global.premiumModal?.isSuccess,
+    isSuccess: premiumModal?.isSuccess,
-    isGift: global.premiumModal?.isGift,
+    isGift: premiumModal?.isGift,
-    monthsAmount: global.premiumModal?.monthsAmount,
+    monthsAmount: premiumModal?.monthsAmount,
-    fromUser: global.premiumModal?.fromUserId ? selectUser(global, global.premiumModal.fromUserId) : undefined,
+    fromUser: premiumModal?.fromUserId ? selectUser(global, premiumModal.fromUserId) : undefined,
-    toUser: global.premiumModal?.toUserId ? selectUser(global, global.premiumModal.toUserId) : undefined,
+    toUser: premiumModal?.toUserId ? selectUser(global, premiumModal.toUserId) : undefined,
-    initialSection: global.premiumModal?.initialSection,
+    initialSection: premiumModal?.initialSection,
     isPremium: selectIsCurrentUserPremium(global),
     limitChannels: selectPremiumLimit(global, 'channels'),
     limitFolders: selectPremiumLimit(global, 'dialogFilters'),

src/components/mediaViewer/MediaViewer.tsx

@@ -14,7 +14,7 @@ import {
   selectChatMessage,
   selectChatMessages,
   selectChatScheduledMessages,
-  selectCurrentMediaSearch,
+  selectCurrentMediaSearch, selectTabState,
   selectIsChatWithSelf,
   selectListedIds,
   selectOutlyingIds,
@@ -218,13 +218,15 @@ const MediaViewer: FC<StateProps> = ({
   const handleFooterClick = useCallback(() => {
     handleClose();
 
+    if (!chatId || !mediaId) return;
+
     if (isMobile) {
       setTimeout(() => {
-        toggleChatInfo(false, { forceSyncOnIOs: true });
+        toggleChatInfo({ force: false }, { forceSyncOnIOs: true });
-        focusMessage({ chatId, threadId, mediaId });
+        focusMessage({ chatId, threadId, messageId: mediaId });
       }, ANIMATION_DURATION);
     } else {
-      focusMessage({ chatId, threadId, mediaId });
+      focusMessage({ chatId, threadId, messageId: mediaId });
     }
   }, [handleClose, isMobile, chatId, threadId, focusMessage, toggleChatInfo, mediaId]);
 
@@ -370,6 +372,7 @@ const MediaViewer: FC<StateProps> = ({
 
 export default memo(withGlobal(
   (global): StateProps => {
+    const { mediaViewer, shouldSkipHistoryAnimations } = selectTabState(global);
     const {
       chatId,
       threadId,
@@ -377,12 +380,12 @@ export default memo(withGlobal(
       avatarOwnerId,
       origin,
       isHidden,
-    } = global.mediaViewer;
+    } = mediaViewer;
     const {
       animationLevel,
     } = global.settings.byKey;
 
-    const { shouldSkipHistoryAnimations, currentUserId } = global;
+    const { currentUserId } = global;
     let isChatWithSelf = !!chatId && selectIsChatWithSelf(global, chatId);
 
     if (origin === MediaViewerOrigin.SearchResult) {

src/components/mediaViewer/MediaViewerContent.tsx

@@ -10,7 +10,7 @@ import { MediaViewerOrigin } from '../../types';
 
 import { IS_TOUCH_ENV } from '../../util/environment';
 import {
-  selectChat, selectChatMessage, selectIsMessageProtected, selectScheduledMessage, selectUser,
+  selectChat, selectChatMessage, selectTabState, selectIsMessageProtected, selectScheduledMessage, selectUser,
 } from '../../global/selectors';
 import { calculateMediaViewerDimensions } from '../common/helpers/mediaDimensions';
 import { renderMessageText } from '../common/helpers/renderMessageText';
@@ -216,7 +216,7 @@ export default memo(withGlobal<OwnProps>(
       isMuted,
       playbackRate,
       isHidden,
-    } = global.mediaViewer;
+    } = selectTabState(global).mediaViewer;
 
     if (origin === MediaViewerOrigin.SearchResult) {
       if (!(chatId && mediaId)) {

src/components/mediaViewer/SenderInfo.tsx

@@ -56,9 +56,11 @@ const SenderInfo: FC<OwnProps & StateProps> = ({
   const handleFocusMessage = useCallback(() => {
     closeMediaViewer();
 
+    if (!chatId || !messageId) return;
+
     if (isMobile) {
       setTimeout(() => {
-        toggleChatInfo(false, { forceSyncOnIOs: true });
+        toggleChatInfo({ force: false }, { forceSyncOnIOs: true });
         focusMessage({ chatId, messageId });
       }, ANIMATION_DURATION);
     } else {

src/components/mediaViewer/VideoPlayer.tsx

@@ -81,12 +81,12 @@ const VideoPlayer: FC<OwnProps> = ({
   const handleEnterFullscreen = useCallback(() => {
     // Yandex browser doesn't support PIP when video is hidden
     if (IS_YA_BROWSER) return;
-    setMediaViewerHidden(true);
+    setMediaViewerHidden({ isHidden: true });
   }, [setMediaViewerHidden]);
 
   const handleLeaveFullscreen = useCallback(() => {
     if (IS_YA_BROWSER) return;
-    setMediaViewerHidden(false);
+    setMediaViewerHidden({ isHidden: false });
   }, [setMediaViewerHidden]);
 
   const [

src/components/middle/ActionMessage.tsx

@@ -15,6 +15,7 @@ import {
   selectIsMessageFocused,
   selectChat,
   selectTopicFromMessage,
+  selectTabState,
 } from '../../global/selectors';
 import { getMessageHtmlId, isChatChannel } from '../../global/helpers';
 import buildClassName from '../../util/buildClassName';
@@ -242,7 +243,10 @@ export default memo(withGlobal<OwnProps>(
       : undefined;
 
     const isFocused = selectIsMessageFocused(global, message);
-    const { direction: focusDirection, noHighlight: noFocusHighlight } = (isFocused && global.focusedMessage) || {};
+    const {
+      direction: focusDirection,
+      noHighlight: noFocusHighlight,
+    } = (isFocused && selectTabState(global).focusedMessage) || {};
 
     const chat = selectChat(global, message.chatId);
     const isChat = chat && (isChatChannel(chat) || userId === message.chatId);

src/components/middle/ActionMessageSuggestedAvatar.tsx

@@ -27,7 +27,7 @@ const ActionMessageSuggestedAvatar: FC<OwnProps> = ({
   content,
 }) => {
   const {
-    openMediaViewer, uploadProfilePhoto, showNotification, requestNextSettingsScreen,
+    openMediaViewer, uploadProfilePhoto, showNotification,
   } = getActions();
 
   const { isOutgoing } = message;
@@ -42,10 +42,15 @@ const ActionMessageSuggestedAvatar: FC<OwnProps> = ({
     showNotification({
       title: lang('ApplyAvatarHintTitle'),
       message: lang('ApplyAvatarHint'),
-      action: () => requestNextSettingsScreen(SettingsScreens.Main),
+      action: {
+        action: 'requestNextSettingsScreen',
+        payload: {
+          screen: SettingsScreens.Main,
+        },
+      },
       actionText: lang('Open'),
     });
-  }, [lang, requestNextSettingsScreen, showNotification]);
+  }, [lang, showNotification]);
 
   const handleSetSuggestedAvatar = useCallback((file: File) => {
     setCropModalBlob(undefined);

src/components/middle/AudioPlayer.tsx

@@ -14,7 +14,7 @@ import * as mediaLoader from '../../util/mediaLoader';
 import {
   getMediaDuration, getMessageContent, getMessageMediaHash, getSenderTitle, isMessageLocal,
 } from '../../global/helpers';
-import { selectChat, selectSender } from '../../global/selectors';
+import { selectChat, selectTabState, selectSender } from '../../global/selectors';
 import buildClassName from '../../util/buildClassName';
 import { makeTrackId } from '../../util/audioPlayer';
 import { clearMediaSession } from '../../util/mediaSession';
@@ -320,7 +320,7 @@ export default withGlobal<OwnProps>(
   (global, { message }): StateProps => {
     const sender = selectSender(global, message);
     const chat = selectChat(global, message.chatId);
-    const { volume, playbackRate, isMuted } = global.audioPlayer;
+    const { volume, playbackRate, isMuted } = selectTabState(global).audioPlayer;
 
     return {
       sender,

src/components/middle/ChatReportPanel.tsx

@@ -58,13 +58,13 @@ const ChatReportPanel: FC<OwnProps & StateProps> = ({
   const handleAddContact = useCallback(() => {
     openAddContactDialog({ userId: chatId });
     if (isAutoArchived) {
-      toggleChatArchived({ chatId });
+      toggleChatArchived({ id: chatId });
     }
   }, [openAddContactDialog, isAutoArchived, toggleChatArchived, chatId]);
 
   const handleConfirmBlock = useCallback(() => {
     closeBlockUserModal();
-    blockContact({ contactId: chatId, accessHash });
+    blockContact({ contactId: chatId, accessHash: accessHash! });
     if (canReportSpam && shouldReportSpam) {
       reportSpam({ chatId });
     }
@@ -84,7 +84,7 @@ const ChatReportPanel: FC<OwnProps & StateProps> = ({
     closeBlockUserModal();
     reportSpam({ chatId });
     if (isBasicGroup) {
-      deleteChatUser({ chatId, userId: currentUserId });
+      deleteChatUser({ chatId, userId: currentUserId! });
       deleteHistory({ chatId, shouldDeleteForAll: false });
     } else {
       leaveChannel({ chatId });