Use patched frameless-titlebar on Windows

2022-06-08 15:00:32 -07:00 · 2022-06-08 15:00:32 -07:00 · 5634601554
parent 79c52847cd
commit 5634601554
54 changed files with 1343 additions and 323 deletions
--- a/.storybook/preview-head.html
+++ b/.storybook/preview-head.html
@ -3,6 +3,11 @@

 <!-- prettier-ignore -->
 <link rel="stylesheet" href="../stylesheets/manifest.css" />
+<link
+  href="../node_modules/@indutny/frameless-titlebar/dist/styles.css"
+  rel="stylesheet"
+  type="text/css"
+/>
 <script>
  window.SignalWindow = window.SignalWindow || {};
  window.SignalWindow.log = {
@ -13,4 +18,17 @@
    debug: console.debug.bind(console),
    trace: console.trace.bind(console),
  };
+  window.SignalContext = {
+    nativeThemeListener: {
+      getSystemValue: async () => 'light',
+      subscribe: () => {},
+      unsubscribe: () => {},
+    },
+    Settings: {
+      themeSetting: {
+        getValue: async () => 'light',
+      },
+      waitForChange: () => {},
+    },
+  };
 </script>
--- a/ACKNOWLEDGMENTS.md
+++ b/ACKNOWLEDGMENTS.md
@ -5,6 +5,30 @@

 Signal Desktop makes use of the following open source projects.

+## @indutny/frameless-titlebar
+
+    MIT License
+
+    Copyright (c) 2019 Cristian Ponce
+
+    Permission is hereby granted, free of charge, to any person obtaining a copy
+    of this software and associated documentation files (the "Software"), to deal
+    in the Software without restriction, including without limitation the rights
+    to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+    copies of the Software, and to permit persons to whom the Software is
+    furnished to do so, subject to the following conditions:
+
+    The above copyright notice and this permission notice shall be included in all
+    copies or substantial portions of the Software.
+
+    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+    IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+    FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+    AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+    LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+    OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+    SOFTWARE.
+
 ## @popperjs/core

    License: MIT
--- a/about.html
+++ b/about.html
@ -20,6 +20,11 @@
      rel="stylesheet"
      type="text/css"
    />
+    <link
+      href="node_modules/@indutny/frameless-titlebar/dist/styles.css"
+      rel="stylesheet"
+      type="text/css"
+    />
    <link href="stylesheets/manifest.css" rel="stylesheet" type="text/css" />
  </head>
  <body>
--- a/app/main.ts
+++ b/app/main.ts
@ -27,6 +27,10 @@ import {
  shell,
  systemPreferences,
 } from 'electron';
+import type {
+  MenuItemConstructorOptions,
+  TitleBarOverlayOptions,
+} from 'electron';
 import { z } from 'zod';

 import packageJson from '../package.json';
@ -75,7 +79,8 @@ import * as logging from '../ts/logging/main_process_logging';
 import { MainSQL } from '../ts/sql/main';
 import * as sqlChannels from './sql_channel';
 import * as windowState from './window_state';
-import type { MenuOptionsType } from './menu';
+import type { CreateTemplateOptionsType } from './menu';
+import type { MenuActionType } from '../ts/types/menu';
 import { createTemplate } from './menu';
 import { installFileHandler, installWebHandler } from './protocol_filter';
 import * as OS from '../ts/OS';
@ -91,10 +96,6 @@ import {
 } from '../ts/util/sgnlHref';
 import { clearTimeoutIfNecessary } from '../ts/util/clearTimeoutIfNecessary';
 import { toggleMaximizedBrowserWindow } from '../ts/util/toggleMaximizedBrowserWindow';
-import {
-  getTitleBarVisibility,
-  TitleBarVisibility,
-} from '../ts/types/Settings';
 import { ChallengeMainHandler } from '../ts/main/challengeMain';
 import { NativeThemeNotifier } from '../ts/main/NativeThemeNotifier';
 import { PowerChannel } from '../ts/main/powerChannel';
@ -324,6 +325,8 @@ if (windowFromUserConfig) {
  ephemeralConfig.set('window', windowConfig);
 }

+let menuOptions: CreateTemplateOptionsType | undefined;
+
 // These will be set after app fires the 'ready' event
 let logger: LoggerType | undefined;
 let locale: LocaleType | undefined;
@ -429,7 +432,10 @@ async function handleUrl(event: Electron.Event, rawTarget: string) {
  }
 }

-function handleCommonWindowEvents(window: BrowserWindow) {
+function handleCommonWindowEvents(
+  window: BrowserWindow,
+  titleBarOverlay: TitleBarOverlayOptions | false = false
+) {
  window.webContents.on('will-navigate', handleUrl);
  window.webContents.on('new-window', handleUrl);
  window.webContents.on(
@ -467,6 +473,23 @@ function handleCommonWindowEvents(window: BrowserWindow) {
  window.webContents.on('preferred-size-changed', onZoomChanged);

  nativeThemeNotifier.addWindow(window);
+
+  if (titleBarOverlay) {
+    const onThemeChange = async () => {
+      try {
+        const newOverlay = await getTitleBarOverlay();
+        if (!newOverlay) {
+          return;
+        }
+        window.setTitleBarOverlay(newOverlay);
+      } catch (error) {
+        console.error('onThemeChange error', error);
+      }
+    };
+
+    nativeTheme.on('updated', onThemeChange);
+    settingsChannel?.on('change:themeSetting', onThemeChange);
+  }
 }

 const DEFAULT_WIDTH = 800;
@ -521,10 +544,50 @@ if (OS.isWindows()) {
  windowIcon = join(__dirname, '../build/icons/png/512x512.png');
 }

+const mainTitleBarStyle =
+  OS.isLinux() || isTestEnvironment(getEnvironment())
+    ? ('default' as const)
+    : ('hidden' as const);
+
+const nonMainTitleBarStyle = OS.isWindows()
+  ? ('hidden' as const)
+  : ('default' as const);
+
+async function getTitleBarOverlay(): Promise<TitleBarOverlayOptions | false> {
+  if (!OS.isWindows()) {
+    return false;
+  }
+
+  const theme = await getResolvedThemeSetting();
+
+  let color: string;
+  let symbolColor: string;
+  if (theme === 'light') {
+    color = '#e8e8e8';
+    symbolColor = '#1b1b1b';
+  } else if (theme === 'dark') {
+    color = '#24292e';
+    symbolColor = '#fff';
+  } else {
+    throw missingCaseError(theme);
+  }
+
+  return {
+    color,
+    symbolColor,
+
+    // Should match stylesheets/components/TitleBarContainer.scss minus the
+    // border
+    height: 28 - 1,
+  };
+}
+
 async function createWindow() {
  const usePreloadBundle =
    !isTestEnvironment(getEnvironment()) || forcePreloadBundle;

+  const titleBarOverlay = await getTitleBarOverlay();
+
  const windowOptions: Electron.BrowserWindowConstructorOptions = {
    show: false,
    width: DEFAULT_WIDTH,
@ -532,11 +595,8 @@ async function createWindow() {
    minWidth: MIN_WIDTH,
    minHeight: MIN_HEIGHT,
    autoHideMenuBar: false,
-    titleBarStyle:
-      getTitleBarVisibility() === TitleBarVisibility.Hidden &&
-      !isTestEnvironment(getEnvironment())
-        ? 'hidden'
-        : 'default',
+    titleBarStyle: mainTitleBarStyle,
+    titleBarOverlay,
    backgroundColor: isTestEnvironment(getEnvironment())
      ? '#ffffff' // Tests should always be rendered on a white background
      : await getBackgroundColor(),
@ -616,7 +676,20 @@ async function createWindow() {
    systemTrayService.setMainWindow(mainWindow);
  }

-  function captureAndSaveWindowStats() {
+  function saveWindowStats() {
+    if (!windowConfig) {
+      return;
+    }
+
+    getLogger().info(
+      'Updating BrowserWindow config: %s',
+      JSON.stringify(windowConfig)
+    );
+    ephemeralConfig.set('window', windowConfig);
+  }
+  const debouncedSaveStats = debounce(saveWindowStats, 500);
+
+  function captureWindowStats() {
    if (!mainWindow) {
      return;
    }
@ -624,8 +697,7 @@ async function createWindow() {
    const size = mainWindow.getSize();
    const position = mainWindow.getPosition();

-    // so if we need to recreate the window, we have the most recent settings
-    windowConfig = {
+    const newWindowConfig = {
      maximized: mainWindow.isMaximized(),
      autoHideMenuBar: mainWindow.autoHideMenuBar,
      fullscreen: mainWindow.isFullScreen(),
@ -635,16 +707,24 @@ async function createWindow() {
      y: position[1],
    };

-    getLogger().info(
-      'Updating BrowserWindow config: %s',
-      JSON.stringify(windowConfig)
-    );
-    ephemeralConfig.set('window', windowConfig);
+    if (
+      newWindowConfig.fullscreen !== windowConfig?.fullscreen ||
+      newWindowConfig.maximized !== windowConfig?.maximized
+    ) {
+      mainWindow.webContents.send('window:set-window-stats', {
+        isMaximized: newWindowConfig.maximized,
+        isFullScreen: newWindowConfig.fullscreen,
+      });
+    }
+
+    // so if we need to recreate the window, we have the most recent settings
+    windowConfig = newWindowConfig;
+
+    debouncedSaveStats();
  }

-  const debouncedCaptureStats = debounce(captureAndSaveWindowStats, 500);
-  mainWindow.on('resize', debouncedCaptureStats);
-  mainWindow.on('move', debouncedCaptureStats);
+  mainWindow.on('resize', captureWindowStats);
+  mainWindow.on('move', captureWindowStats);

  const setWindowFocus = () => {
    if (!mainWindow) {
@ -681,7 +761,7 @@ async function createWindow() {
    mainWindow.webContents.openDevTools();
  }

-  handleCommonWindowEvents(mainWindow);
+  handleCommonWindowEvents(mainWindow, titleBarOverlay);

  // App dock icon bounce
  bounce.init(mainWindow);
@ -981,6 +1061,7 @@ function showScreenShareWindow(sourceName: string) {
    resizable: false,
    show: false,
    title: getLocale().i18n('screenShareWindow'),
+    titleBarStyle: nonMainTitleBarStyle,
    width,
    webPreferences: {
      ...defaultWebPrefs,
@ -1021,11 +1102,15 @@ async function showAbout() {
    return;
  }

+  const titleBarOverlay = await getTitleBarOverlay();
+
  const options = {
    width: 500,
    height: 500,
    resizable: false,
    title: getLocale().i18n('aboutSignalDesktop'),
+    titleBarStyle: nonMainTitleBarStyle,
+    titleBarOverlay,
    autoHideMenuBar: true,
    backgroundColor: await getBackgroundColor(),
    show: false,
@ -1041,7 +1126,7 @@ async function showAbout() {

  aboutWindow = new BrowserWindow(options);

-  handleCommonWindowEvents(aboutWindow);
+  handleCommonWindowEvents(aboutWindow, titleBarOverlay);

  aboutWindow.loadURL(prepareFileUrl([__dirname, '../about.html']));

@ -1063,12 +1148,16 @@ async function showSettingsWindow() {
    return;
  }

+  const titleBarOverlay = await getTitleBarOverlay();
+
  const options = {
    width: 700,
    height: 700,
    frame: true,
    resizable: false,
    title: getLocale().i18n('signalDesktopPreferences'),
+    titleBarStyle: nonMainTitleBarStyle,
+    titleBarOverlay,
    autoHideMenuBar: true,
    backgroundColor: await getBackgroundColor(),
    show: false,
@ -1084,7 +1173,7 @@ async function showSettingsWindow() {

  settingsWindow = new BrowserWindow(options);

-  handleCommonWindowEvents(settingsWindow);
+  handleCommonWindowEvents(settingsWindow, titleBarOverlay);

  settingsWindow.loadURL(prepareFileUrl([__dirname, '../settings.html']));

@ -1132,6 +1221,7 @@ async function showStickerCreator() {

  const { x = 0, y = 0 } = windowConfig || {};

+  // TODO: DESKTOP-3670
  const options = {
    x: x + 100,
    y: y + 100,
@ -1191,12 +1281,16 @@ async function showDebugLogWindow() {
    return;
  }

+  const titleBarOverlay = await getTitleBarOverlay();
+
  const theme = await getThemeSetting();
  const options = {
    width: 700,
    height: 500,
    resizable: false,
    title: getLocale().i18n('debugLog'),
+    titleBarStyle: nonMainTitleBarStyle,
+    titleBarOverlay,
    autoHideMenuBar: true,
    backgroundColor: await getBackgroundColor(),
    show: false,
@ -1218,7 +1312,7 @@ async function showDebugLogWindow() {

  debugLogWindow = new BrowserWindow(options);

-  handleCommonWindowEvents(debugLogWindow);
+  handleCommonWindowEvents(debugLogWindow, titleBarOverlay);

  debugLogWindow.loadURL(
    prepareFileUrl([__dirname, '../debug_log.html'], { theme })
@ -1259,6 +1353,7 @@ function showPermissionsPopupWindow(forCalling: boolean, forCamera: boolean) {
      height: Math.min(150, size[1]),
      resizable: false,
      title: getLocale().i18n('allowAccess'),
+      titleBarStyle: nonMainTitleBarStyle,
      autoHideMenuBar: true,
      backgroundColor: await getBackgroundColor(),
      show: false,
@ -1681,9 +1776,9 @@ app.on('ready', async () => {
  ]);
 });

-function setupMenu(options?: Partial<MenuOptionsType>) {
+function setupMenu(options?: Partial<CreateTemplateOptionsType>) {
  const { platform } = process;
-  const menuOptions = {
+  menuOptions = {
    // options
    development,
    devTools: defaultWebPrefs.devTools,
@ -1713,6 +1808,14 @@ function setupMenu(options?: Partial<MenuOptionsType>) {
  const template = createTemplate(menuOptions, getLocale().messages);
  const menu = Menu.buildFromTemplate(template);
  Menu.setApplicationMenu(menu);
+
+  mainWindow?.webContents.send('window:set-menu-options', {
+    development: menuOptions.development,
+    devTools: menuOptions.devTools,
+    includeSetup: menuOptions.includeSetup,
+    isProduction: menuOptions.isProduction,
+    platform: menuOptions.platform,
+  });
 }

 async function requestShutdown() {
@ -1910,12 +2013,6 @@ ipc.on(
  }
 );

-ipc.on('close-about', () => {
-  if (aboutWindow) {
-    aboutWindow.close();
-  }
-});
-
 ipc.on('close-screen-share-controller', () => {
  if (screenShareWindow) {
    screenShareWindow.close();
@ -1941,11 +2038,6 @@ ipc.on('update-tray-icon', (_event: Electron.Event, unreadCount: number) => {
 // Debug Log-related IPC calls

 ipc.on('show-debug-log', showDebugLogWindow);
-ipc.on('close-debug-log', () => {
-  if (debugLogWindow) {
-    debugLogWindow.close();
-  }
-});
 ipc.on(
  'show-debug-log-save-dialog',
  async (_event: Electron.Event, logText: string) => {
@ -1973,11 +2065,6 @@ ipc.handle(
    }
  }
 );
-ipc.on('close-permissions-popup', () => {
-  if (permissionsPopupWindow) {
-    permissionsPopupWindow.close();
-  }
-});

 // Settings-related IPC calls

@ -1993,11 +2080,6 @@ function removeDarkOverlay() {
 }

 ipc.on('show-settings', showSettingsWindow);
-ipc.on('close-settings', () => {
-  if (settingsWindow) {
-    settingsWindow.close();
-  }
-});

 ipc.on('delete-all-data', () => {
  if (settingsWindow) {
@ -2188,6 +2270,124 @@ ipc.handle('getScreenCaptureSources', async () => {
  });
 });

+ipc.handle('executeMenuRole', async ({ sender }, untypedRole) => {
+  const role = untypedRole as MenuItemConstructorOptions['role'];
+
+  const senderWindow = BrowserWindow.fromWebContents(sender);
+
+  switch (role) {
+    case 'undo':
+      sender.undo();
+      break;
+    case 'redo':
+      sender.redo();
+      break;
+    case 'cut':
+      sender.cut();
+      break;
+    case 'copy':
+      sender.copy();
+      break;
+    case 'paste':
+      sender.paste();
+      break;
+    case 'pasteAndMatchStyle':
+      sender.pasteAndMatchStyle();
+      break;
+    case 'delete':
+      sender.delete();
+      break;
+    case 'selectAll':
+      sender.selectAll();
+      break;
+    case 'reload':
+      sender.reload();
+      break;
+    case 'toggleDevTools':
+      sender.toggleDevTools();
+      break;
+
+    case 'resetZoom':
+      sender.setZoomLevel(0);
+      break;
+    case 'zoomIn':
+      sender.setZoomLevel(sender.getZoomLevel() + 1);
+      break;
+    case 'zoomOut':
+      sender.setZoomLevel(sender.getZoomLevel() - 1);
+      break;
+
+    case 'togglefullscreen':
+      senderWindow?.setFullScreen(!senderWindow?.isFullScreen());
+      break;
+    case 'minimize':
+      senderWindow?.minimize();
+      break;
+    case 'close':
+      senderWindow?.close();
+      break;
+
+    case 'quit':
+      app.quit();
+      break;
+
+    default:
+      // ignored
+      break;
+  }
+});
+
+ipc.handle('getMainWindowStats', async () => {
+  return {
+    isMaximized: windowConfig?.maximized ?? false,
+    isFullScreen: windowConfig?.fullscreen ?? false,
+  };
+});
+
+ipc.handle('getMenuOptions', async () => {
+  return {
+    development: menuOptions?.development ?? false,
+    devTools: menuOptions?.devTools ?? false,
+    includeSetup: menuOptions?.includeSetup ?? false,
+    isProduction: menuOptions?.isProduction ?? true,
+    platform: menuOptions?.platform ?? 'unknown',
+  };
+});
+
+ipc.handle('executeMenuAction', async (_event, action: MenuActionType) => {
+  if (action === 'forceUpdate') {
+    forceUpdate();
+  } else if (action === 'openContactUs') {
+    openContactUs();
+  } else if (action === 'openForums') {
+    openForums();
+  } else if (action === 'openJoinTheBeta') {
+    openJoinTheBeta();
+  } else if (action === 'openReleaseNotes') {
+    openReleaseNotes();
+  } else if (action === 'openSupportPage') {
+    openSupportPage();
+  } else if (action === 'setupAsNewDevice') {
+    setupAsNewDevice();
+  } else if (action === 'setupAsStandalone') {
+    setupAsStandalone();
+  } else if (action === 'showAbout') {
+    showAbout();
+  } else if (action === 'showDebugLog') {
+    showDebugLogWindow();
+  } else if (action === 'showKeyboardShortcuts') {
+    showKeyboardShortcuts();
+  } else if (action === 'showSettings') {
+    showSettingsWindow();
+  } else if (action === 'showStickerCreator') {
+    showStickerCreator();
+  } else if (action === 'showWindow') {
+    showWindow();
+  } else {
+    throw missingCaseError(action);
+  }
+});
+
 if (isTestEnvironment(getEnvironment())) {
  ipc.handle('ci:test-electron:done', async (_event, info) => {
    if (!process.env.TEST_QUIT_ON_COMPLETE) {
--- a/app/menu.ts
+++ b/app/menu.ts
@ -1,40 +1,19 @@
-// Copyright 2017-2020 Signal Messenger, LLC
+// Copyright 2017-2022 Signal Messenger, LLC
 // SPDX-License-Identifier: AGPL-3.0-only

 import { isString } from 'lodash';
-import type { MenuItemConstructorOptions } from 'electron';

 import type { LocaleMessagesType } from '../ts/types/I18N';
+import type {
+  MenuListType,
+  MenuOptionsType,
+  MenuActionsType,
+} from '../ts/types/menu';

-export type MenuListType = Array<MenuItemConstructorOptions>;
-
-export type MenuOptionsType = {
-  // options
-  development: boolean;
-  devTools: boolean;
-  includeSetup: boolean;
-  isProduction: boolean;
-  platform: string;
-
-  // actions
-  forceUpdate: () => unknown;
-  openContactUs: () => unknown;
-  openForums: () => unknown;
-  openJoinTheBeta: () => unknown;
-  openReleaseNotes: () => unknown;
-  openSupportPage: () => unknown;
-  setupAsNewDevice: () => unknown;
-  setupAsStandalone: () => unknown;
-  showAbout: () => unknown;
-  showDebugLog: () => unknown;
-  showKeyboardShortcuts: () => unknown;
-  showSettings: () => unknown;
-  showStickerCreator: () => unknown;
-  showWindow: () => unknown;
-};
+export type CreateTemplateOptionsType = MenuOptionsType & MenuActionsType;

 export const createTemplate = (
-  options: MenuOptionsType,
+  options: CreateTemplateOptionsType,
  messages: LocaleMessagesType
 ): MenuListType => {
  if (!isString(options.platform)) {
@ -131,7 +110,7 @@ export const createTemplate = (
          label: messages.viewMenuResetZoom.message,
        },
        {
-          accelerator: platform === 'darwin' ? 'Command+=' : 'Control+=',
+          accelerator: 'CmdOrCtrl+=',
          role: 'zoomIn',
          label: messages.viewMenuZoomIn.message,
        },
@ -265,7 +244,7 @@ export const createTemplate = (
 function updateForMac(
  template: MenuListType,
  messages: LocaleMessagesType,
-  options: MenuOptionsType
+  options: CreateTemplateOptionsType
 ): MenuListType {
  const { showAbout, showSettings, showWindow } = options;

--- a/app/spell_check.ts
+++ b/app/spell_check.ts
@ -9,7 +9,7 @@ import { fileURLToPath } from 'url';
 import { maybeParseUrl } from '../ts/util/url';
 import type { LocaleType } from './locale';

-import type { MenuListType } from './menu';
+import type { MenuListType } from '../ts/types/menu';

 export function getLanguages(
  userLocale: string,
--- a/background.html
+++ b/background.html
@ -23,7 +23,7 @@
            img-src 'self' blob: data:;
            media-src 'self' blob:;
            object-src 'none';
-            script-src 'self' 'sha256-eLeGwSfPmXJ+EUiLfIeXABvLiUqDbiKgNLpHITaabgQ=';
+            script-src 'self' 'sha256-Qu05oqDmBO5fZacm7tr/oerJcqsW0G/XqP4PRCziovc=' 'sha256-eLeGwSfPmXJ+EUiLfIeXABvLiUqDbiKgNLpHITaabgQ=';
            style-src 'self' 'unsafe-inline';"
    />
    <title>Signal</title>
@ -81,6 +81,11 @@
      rel="stylesheet"
      type="text/css"
    />
+    <link
+      href="node_modules/@indutny/frameless-titlebar/dist/styles.css"
+      rel="stylesheet"
+      type="text/css"
+    />
    <link href="stylesheets/manifest.css" rel="stylesheet" type="text/css" />

    <!--
@ -152,6 +157,12 @@
      </div>
    </div>

+    <script type="text/javascript">
+      document
+        .querySelector('.app-loading-screen')
+        .addEventListener('dblclick', () => window.showDebugLog());
+    </script>
+
    <script type="text/javascript" src="js/components.js"></script>
    <script type="text/javascript" src="ts/set_os_class.js"></script>
    <script
@ -164,13 +175,6 @@
      src="ts/backbone/reliable_trigger.js"
    ></script>

-    <script type="text/javascript" src="js/libphonenumber-util.js"></script>
-    <script type="text/javascript" src="js/expiring_messages.js"></script>
-    <script
-      type="text/javascript"
-      src="js/expiring_tap_to_view_messages.js"
-    ></script>
-
    <script
      type="text/javascript"
      src="js/views/react_wrapper_view.js"
--- a/debug_log.html
+++ b/debug_log.html
@ -20,6 +20,11 @@
      rel="stylesheet"
      type="text/css"
    />
+    <link
+      href="node_modules/@indutny/frameless-titlebar/dist/styles.css"
+      rel="stylesheet"
+      type="text/css"
+    />
    <link href="stylesheets/manifest.css" rel="stylesheet" type="text/css" />
  </head>
  <body>
--- a/package.json
+++ b/package.json
@ -76,6 +76,7 @@
    "fs-xattr": "0.3.0"
  },
  "dependencies": {
+    "@indutny/frameless-titlebar": "2.1.4-rc.8",
    "@popperjs/core": "2.9.2",
    "@react-spring/web": "9.4.5",
    "@signalapp/libsignal-client": "0.16.0",
--- a/preload.js
+++ b/preload.js
@ -233,6 +233,20 @@ try {
    Whisper.events.trigger('powerMonitorLockScreen');
  });

+  ipc.on('window:set-window-stats', (_event, stats) => {
+    if (!Whisper.events) {
+      return;
+    }
+    Whisper.events.trigger('setWindowStats', stats);
+  });
+
+  ipc.on('window:set-menu-options', (_event, options) => {
+    if (!Whisper.events) {
+      return;
+    }
+    Whisper.events.trigger('setMenuOptions', options);
+  });
+
  window.sendChallengeRequest = request =>
    ipc.send('challenge:request', request);

--- a/settings.html
+++ b/settings.html
@ -20,6 +20,11 @@
      rel="stylesheet"
      type="text/css"
    />
+    <link
+      href="node_modules/@indutny/frameless-titlebar/dist/styles.css"
+      rel="stylesheet"
+      type="text/css"
+    />
    <link href="stylesheets/manifest.css" rel="stylesheet" type="text/css" />
  </head>
  <body>
--- a/sticker-creator/components/ConfirmModal.scss
+++ b/sticker-creator/components/ConfirmModal.scss
@ -4,7 +4,7 @@
 .facade {
  background: rgba(0, 0, 0, 0.33);
  width: 100vw;
-  height: 100vh;
+  height: var(--window-height);
  display: flex;
  justify-content: center;
  align-items: center;
--- a/sticker-creator/index.html
+++ b/sticker-creator/index.html
@ -4,6 +4,11 @@
 <!DOCTYPE html>
 <html>
  <head>
+    <link
+      href="../../node_modules/@indutny/frameless-titlebar/src/title-bar/style.css"
+      rel="stylesheet"
+      type="text/css"
+    />
    <link rel="stylesheet" href="../../stylesheets/manifest_bridge.css" />
  </head>
  <body>
--- a/sticker-creator/preload.js
+++ b/sticker-creator/preload.js
@ -254,7 +254,7 @@ const getThemeSetting = createSetting('themeSetting');

 async function resolveTheme() {
  const theme = (await getThemeSetting.getValue()) || 'system';
-  if (process.platform === 'darwin' && theme === 'system') {
+  if (theme === 'system') {
    return SignalContext.nativeThemeListener.getSystemTheme();
  }
  return theme;
--- a/stylesheets/_global.scss
+++ b/stylesheets/_global.scss
@ -27,6 +27,14 @@ body {
    --draggable-app-region: drag;
  }

+  --window-height: 100vh;
+  --titlebar-height: 0px;
+
+  &.os-windows:not(.full-screen) {
+    --titlebar-height: 28px;
+    --window-height: calc(100vh - var(--titlebar-height));
+  }
+
  &.light-theme {
    background-color: $color-white;
    color: $color-gray-90;
@ -236,6 +244,9 @@ $loading-height: 16px;
  top: 0;
  bottom: 0;

+  /* There is no titlebar during loading screen on Windows */
+  -webkit-app-region: drag;
+
  /* Note: background-color is intentionally transparent until body has the
   *       theme class.
   */
--- a/stylesheets/_mixins.scss
+++ b/stylesheets/_mixins.scss
@ -672,7 +672,7 @@
@mixin install-screen {
  align-items: center;
  display: flex;
-  height: 100vh;
+  height: var(--window-height);
  justify-content: center;
  line-height: 30px;
  user-select: none;
--- a/stylesheets/_modules.scss
+++ b/stylesheets/_modules.scss
@ -3741,7 +3741,7 @@ button.module-image__border-overlay:focus {
    background-color: $calling-background-color;
    display: flex;
    flex-direction: column;
-    height: 100vh;
+    height: var(--window-height);
    justify-content: center;
    position: absolute;
    width: 100%;
@ -3855,7 +3855,7 @@ button.module-image__border-overlay:focus {

  &__remote-video-disabled {
    background-color: $color-gray-95;
-    height: 100vh;
+    height: var(--window-height);
    width: 100%;
    display: flex;
    align-items: center;
@ -4292,7 +4292,7 @@ button.module-image__border-overlay:focus {

  &__overlay {
    display: flex;
-    height: 100vh;
+    height: var(--window-height);
    justify-content: flex-end;
    left: 0;
    position: absolute;
@ -4415,7 +4415,7 @@ button.module-image__border-overlay:focus {
  color: $color-gray-05;
  display: flex;
  flex-direction: column;
-  height: 100vh;
+  height: var(--window-height);
  justify-content: center;
  position: relative;
  width: 100%;
@ -5983,7 +5983,7 @@ button.module-image__border-overlay:focus {
    left: 0;
    top: 0;
    width: 100vw;
-    height: 100vh;
+    height: var(--window-height);
    display: flex;
    justify-content: center;
    align-items: center;
@ -7281,7 +7281,7 @@ button.module-image__border-overlay:focus {
  border-radius: 4px;
  padding: 16px;

-  max-height: calc(100vh - 40px);
+  max-height: calc(var(--window-height) - 40px);
  max-width: 1150px;
  margin-left: auto;
  margin-right: auto;
@ -7626,7 +7626,7 @@ button.module-image__border-overlay:focus {

 .module-modal-host__overlay {
  background: $color-black-alpha-40;
-  height: 100vh;
+  height: var(--window-height);
  left: 0;
  position: absolute;
  top: 0;
@ -7637,7 +7637,7 @@ button.module-image__border-overlay:focus {
 .module-modal-host__overlay-container {
  display: flex;
  flex-direction: column;
-  height: 100vh;
+  height: var(--window-height);
  justify-content: center;
  left: 0;
  overflow: hidden;
@ -7784,7 +7784,7 @@ button.module-image__border-overlay:focus {
  left: 0;
  top: 0;
  width: 100vw;
-  height: 100vh;
+  height: var(--window-height);
  display: flex;
  justify-content: center;
  align-items: center;
--- a/stylesheets/_variables.scss
+++ b/stylesheets/_variables.scss
@ -257,6 +257,7 @@ $z-index-context-menu: 125;
 $z-index-tooltip: 150;
 $z-index-toast: 200;
 $z-index-on-top-of-everything: 9000;
+$z-index-window-controls: 10000;

 // Component specific
 // The scroll down button should be above everything in the timeline but
--- a/stylesheets/components/About.scss
+++ b/stylesheets/components/About.scss
@ -7,7 +7,7 @@
  color: $color-white;
  display: flex;
  font-size: 14px;
-  height: 100vh;
+  height: var(--window-height);
  justify-content: center;
  overflow: hidden;
  text-align: center;
--- a/stylesheets/components/App.scss
+++ b/stylesheets/components/App.scss
@ -5,6 +5,10 @@
  height: 100%;
  position: relative;

+  // TitleBar support
+  display: flex;
+  flex-direction: column;
+
  &.light-theme {
    background-color: $color-white;
    color: $color-gray-90;
--- a/stylesheets/components/Lightbox.scss
+++ b/stylesheets/components/Lightbox.scss
@ -8,7 +8,7 @@
    left: 0;
    position: absolute;
    right: 0;
-    top: 0;
+    top: var(--titlebar-height);
    z-index: $z-index-popup;
  }

--- a/stylesheets/components/MediaEditor.scss
+++ b/stylesheets/components/MediaEditor.scss
@ -7,10 +7,10 @@
  background: $color-gray-95;
  display: flex;
  flex-direction: column;
-  height: 100vh;
+  height: var(--window-height);
  left: 0;
  position: absolute;
-  top: 0;
+  top: var(--titlebar-height);
  user-select: none;
  width: 100vw;
  z-index: $z-index-popup-overlay;
--- a/stylesheets/components/Preferences.scss
+++ b/stylesheets/components/Preferences.scss
@ -120,7 +120,7 @@
  }

  &__settings-pane {
-    height: 100vh;
+    height: var(--window-height);
    overflow: overlay;
    width: 100%;

--- a/stylesheets/components/Stories.scss
+++ b/stylesheets/components/Stories.scss
@ -4,10 +4,10 @@
 .Stories {
  background: $color-gray-95;
  display: flex;
-  height: 100vh;
+  height: var(--window-height);
  left: 0;
  position: absolute;
-  top: 0;
+  top: var(--titlebar-height);
  user-select: none;
  width: 100%;
  z-index: $z-index-stories;
--- a/stylesheets/components/StoryViewer.scss
+++ b/stylesheets/components/StoryViewer.scss
@ -4,10 +4,10 @@
 .StoryViewer {
  &__overlay {
    background-size: contain;
-    height: 100vh;
+    height: var(--window-height);
    left: 0;
    position: absolute;
-    top: 0;
+    top: var(--titlebar-height);
    width: 100%;
    z-index: $z-index-popup-overlay;
  }
@ -18,11 +18,11 @@
    background: $color-black-alpha-20;
    display: flex;
    flex-direction: column;
-    height: 100vh;
+    height: var(--window-height);
    justify-content: center;
    left: 0;
    position: absolute;
-    top: 0;
+    top: var(--titlebar-height);
    width: 100%;
    z-index: $z-index-popup-overlay;
  }
@ -238,7 +238,7 @@
  }

  &__animated-emojis {
-    height: 100vh;
+    height: var(--window-height);
    position: absolute;
    width: 100%;
    z-index: $z-index-above-base;
@ -248,7 +248,7 @@
    @include button-reset;
    align-items: center;
    display: flex;
-    height: 100vh;
+    height: var(--window-height);
    position: absolute;
    width: 25%;
    z-index: $z-index-above-above-base;
--- a/stylesheets/components/TitleBarContainer.scss
+++ b/stylesheets/components/TitleBarContainer.scss
@ -0,0 +1,31 @@
+// Copyright 2022 Signal Messenger, LLC
+// SPDX-License-Identifier: AGPL-3.0-only
+
+.TitleBarContainer {
+  display: flex;
+  flex-direction: column;
+  height: 100vh;
+
+  &__title {
+    position: fixed;
+    top: 0;
+    left: 0;
+    width: 100%;
+    z-index: $z-index-window-controls;
+
+    // This matches the inline styles of frameless-titlebar
+    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen,
+      Ubuntu, Cantarell, 'Fira Sans', 'Droid Sans', 'Helvetica Neue', Arial,
+      sans-serif;
+
+    & button {
+      font-family: inherit;
+    }
+  }
+
+  &__content {
+    margin-top: var(--titlebar-height);
+    height: var(--window-height);
+    position: relative;
+  }
+}
--- a/stylesheets/manifest.scss
+++ b/stylesheets/manifest.scss
@ -114,5 +114,6 @@
@import './components/TimelineFloatingHeader.scss';
@import './components/TimelineWarning.scss';
@import './components/TimelineWarnings.scss';
+@import './components/TitleBarContainer.scss';
@import './components/Toast.scss';
@import './components/WhatsNew.scss';
--- a/ts/background.ts
+++ b/ts/background.ts
@ -26,8 +26,8 @@ import * as Bytes from './Bytes';
 import * as Timers from './Timers';
 import * as indexedDb from './indexeddb';
 import type { WhatIsThis } from './window.d';
+import type { MenuOptionsType } from './types/menu';
 import type { Receipt } from './types/Receipt';
-import { getTitleBarVisibility, TitleBarVisibility } from './types/Settings';
 import { SocketStatus } from './types/SocketStatus';
 import { DEFAULT_CONVERSATION_COLOR } from './types/Colors';
 import { ThemeType } from './types/Util';
@ -141,6 +141,7 @@ import { ToastConversationArchived } from './components/ToastConversationArchive
 import { ToastConversationUnarchived } from './components/ToastConversationUnarchived';
 import { showToast } from './util/showToast';
 import { startInteractionMode } from './windows/startInteractionMode';
+import type { MainWindowStatsType } from './windows/context';
 import { deliveryReceiptsJobQueue } from './jobs/deliveryReceiptsJobQueue';
 import { updateOurUsername } from './util/updateOurUsername';
 import { ReactionSource } from './reactions/ReactionSource';
@ -452,7 +453,7 @@ export async function startApp(): Promise<void> {
      },
    });

-  if (getTitleBarVisibility() === TitleBarVisibility.Hidden) {
+  if (window.platform === 'darwin') {
    window.addEventListener('dblclick', (event: Event) => {
      const target = event.target as HTMLElement;
      if (isWindowDragElement(target)) {
@ -930,6 +931,19 @@ export async function startApp(): Promise<void> {
      }
    }, FIVE_MINUTES);

+    let mainWindowStats = {
+      isMaximized: false,
+      isFullScreen: false,
+    };
+
+    let menuOptions = {
+      development: false,
+      devTools: false,
+      includeSetup: false,
+      isProduction: true,
+      platform: 'unknown',
+    };
+
    try {
      await Promise.all([
        window.ConversationController.load(),
@ -938,6 +952,12 @@ export async function startApp(): Promise<void> {
        loadInitialBadgesState(),
        loadStories(),
        window.textsecure.storage.protocol.hydrateCaches(),
+        (async () => {
+          mainWindowStats = await window.SignalContext.getMainWindowStats();
+        })(),
+        (async () => {
+          menuOptions = await window.SignalContext.getMenuOptions();
+        })(),
      ]);
      await window.ConversationController.checkForConflicts();
    } catch (error) {
@ -946,7 +966,7 @@ export async function startApp(): Promise<void> {
        error && error.stack ? error.stack : error
      );
    } finally {
-      initializeRedux();
+      initializeRedux({ mainWindowStats, menuOptions });
      start();
      window.Signal.Services.initializeNetworkObserver(
        window.reduxActions.network
@ -964,12 +984,20 @@ export async function startApp(): Promise<void> {
    }
  });

-  function initializeRedux() {
+  function initializeRedux({
+    mainWindowStats,
+    menuOptions,
+  }: {
+    mainWindowStats: MainWindowStatsType;
+    menuOptions: MenuOptionsType;
+  }) {
    // Here we set up a full redux store with initial state for our LeftPane Root
    const convoCollection = window.getConversations();
    const initialState = getInitialState({
      badges: initialBadgesState,
      stories: getStoriesForRedux(),
+      mainWindowStats,
+      menuOptions,
    });

    const store = window.Signal.State.createStore(initialState);
@ -1110,6 +1138,26 @@ export async function startApp(): Promise<void> {
      }
    });

+    window.Whisper.events.on(
+      'setWindowStats',
+      ({
+        isFullScreen,
+        isMaximized,
+      }: {
+        isFullScreen: boolean;
+        isMaximized: boolean;
+      }) => {
+        window.reduxActions.user.userChanged({
+          isMainWindowMaximized: isMaximized,
+          isMainWindowFullScreen: isFullScreen,
+        });
+      }
+    );
+
+    window.Whisper.events.on('setMenuOptions', (options: MenuOptionsType) => {
+      window.reduxActions.user.userChanged({ menuOptions: options });
+    });
+
    let shortcutGuideView: WhatIsThis | null = null;

    window.showKeyboardShortcuts = () => {
--- a/ts/components/About.tsx
+++ b/ts/components/About.tsx
@ -1,15 +1,21 @@
-// Copyright 2021 Signal Messenger, LLC
+// Copyright 2021-2022 Signal Messenger, LLC
 // SPDX-License-Identifier: AGPL-3.0-only

 import React from 'react';
+
 import type { LocalizerType } from '../types/Util';
 import { useEscapeHandling } from '../hooks/useEscapeHandling';
+import { useTheme } from '../hooks/useTheme';
+import { TitleBarContainer } from './TitleBarContainer';
+import type { ExecuteMenuRoleType } from './TitleBarContainer';

 export type PropsType = {
  closeAbout: () => unknown;
  environment: string;
  i18n: LocalizerType;
  version: string;
+  platform: string;
+  executeMenuRole: ExecuteMenuRoleType;
 };

 export const About = ({
@ -17,34 +23,45 @@ export const About = ({
  i18n,
  environment,
  version,
+  platform,
+  executeMenuRole,
 }: PropsType): JSX.Element => {
  useEscapeHandling(closeAbout);

-  return (
-    <div className="About">
-      <div className="module-splash-screen">
-        <div className="module-splash-screen__logo module-img--150" />
+  const theme = useTheme();

-        <div className="version">{version}</div>
-        <div className="environment">{environment}</div>
-        <div>
-          <a href="https://signal.org">signal.org</a>
-        </div>
-        <br />
-        <div>
-          <a
-            className="acknowledgments"
-            href="https://github.com/signalapp/Signal-Desktop/blob/main/ACKNOWLEDGMENTS.md"
-          >
-            {i18n('softwareAcknowledgments')}
-          </a>
-        </div>
-        <div>
-          <a className="privacy" href="https://signal.org/legal">
-            {i18n('privacyPolicy')}
-          </a>
+  return (
+    <TitleBarContainer
+      platform={platform}
+      theme={theme}
+      executeMenuRole={executeMenuRole}
+      title={i18n('aboutSignalDesktop')}
+    >
+      <div className="About">
+        <div className="module-splash-screen">
+          <div className="module-splash-screen__logo module-img--150" />
+
+          <div className="version">{version}</div>
+          <div className="environment">{environment}</div>
+          <div>
+            <a href="https://signal.org">signal.org</a>
+          </div>
+          <br />
+          <div>
+            <a
+              className="acknowledgments"
+              href="https://github.com/signalapp/Signal-Desktop/blob/main/ACKNOWLEDGMENTS.md"
+            >
+              {i18n('softwareAcknowledgments')}
+            </a>
+          </div>
+          <div>
+            <a className="privacy" href="https://signal.org/legal">
+              {i18n('privacyPolicy')}
+            </a>
+          </div>
        </div>
      </div>
-    </div>
+    </TitleBarContainer>
  );
 };
--- a/ts/components/App.tsx
+++ b/ts/components/App.tsx
@ -1,4 +1,4 @@
-// Copyright 2021 Signal Messenger, LLC
+// Copyright 2021-2022 Signal Messenger, LLC
 // SPDX-License-Identifier: AGPL-3.0-only

 import type { ComponentProps } from 'react';
@ -11,11 +11,16 @@ import { Inbox } from './Inbox';
 import { SmartInstallScreen } from '../state/smart/InstallScreen';
 import { StandaloneRegistration } from './StandaloneRegistration';
 import { ThemeType } from '../types/Util';
+import type { LocaleMessagesType } from '../types/I18N';
 import { usePageVisibility } from '../hooks/usePageVisibility';
 import { useReducedMotion } from '../hooks/useReducedMotion';
+import type { MenuOptionsType, MenuActionType } from '../types/menu';
+import { TitleBarContainer } from './TitleBarContainer';
+import type { ExecuteMenuRoleType } from './TitleBarContainer';

 type PropsType = {
  appView: AppViewType;
+  localeMessages: LocaleMessagesType;
  openInbox: () => void;
  registerSingleDevice: (number: string, code: string) => Promise<void>;
  renderCallManager: () => JSX.Element;
@ -28,6 +33,14 @@ type PropsType = {
    token: string
  ) => Promise<void>;
  theme: ThemeType;
+  isMaximized: boolean;
+  isFullScreen: boolean;
+  menuOptions: MenuOptionsType;
+  platform: string;
+
+  executeMenuRole: ExecuteMenuRoleType;
+  executeMenuAction: (action: MenuActionType) => void;
+  titleBarDoubleClick: () => void;
 } & ComponentProps<typeof Inbox>;

 export const App = ({
@ -39,6 +52,11 @@ export const App = ({
  i18n,
  isCustomizingPreferredReactions,
  isShowingStoriesView,
+  isMaximized,
+  isFullScreen,
+  menuOptions,
+  platform,
+  localeMessages,
  renderCallManager,
  renderCustomizingPreferredReactionsModal,
  renderGlobalModalContainer,
@ -49,6 +67,9 @@ export const App = ({
  registerSingleDevice,
  theme,
  verifyConversationsStoppingSend,
+  executeMenuAction,
+  executeMenuRole,
+  titleBarDoubleClick,
 }: PropsType): JSX.Element => {
  let contents;

@ -113,17 +134,31 @@ export const App = ({
  }, [prefersReducedMotion]);

  return (
-    <div
-      className={classNames({
-        App: true,
-        'light-theme': theme === ThemeType.light,
-        'dark-theme': theme === ThemeType.dark,
-      })}
+    <TitleBarContainer
+      title="Signal"
+      theme={theme}
+      isMaximized={isMaximized}
+      isFullScreen={isFullScreen}
+      platform={platform}
+      hasMenu
+      localeMessages={localeMessages}
+      menuOptions={menuOptions}
+      executeMenuRole={executeMenuRole}
+      executeMenuAction={executeMenuAction}
+      titleBarDoubleClick={titleBarDoubleClick}
    >
-      {renderGlobalModalContainer()}
-      {renderCallManager()}
-      {isShowingStoriesView && renderStories()}
-      {contents}
-    </div>
+      <div
+        className={classNames({
+          App: true,
+          'light-theme': theme === ThemeType.light,
+          'dark-theme': theme === ThemeType.dark,
+        })}
+      >
+        {renderGlobalModalContainer()}
+        {renderCallManager()}
+        {isShowingStoriesView && renderStories()}
+        {contents}
+      </div>
+    </TitleBarContainer>
  );
 };
--- a/ts/components/DebugLogWindow.stories.tsx
+++ b/ts/components/DebugLogWindow.stories.tsx
@ -25,6 +25,8 @@ const createProps = (): PropsType => ({
    await sleep(5000);
    return 'https://picsum.photos/1800/900';
  },
+  executeMenuRole: action('executeMenuRole'),
+  platform: 'win32',
 });

 export default {
--- a/ts/components/DebugLogWindow.tsx
+++ b/ts/components/DebugLogWindow.tsx
@ -10,10 +10,13 @@ import type { LocalizerType } from '../types/Util';
 import { Spinner } from './Spinner';
 import { ToastDebugLogError } from './ToastDebugLogError';
 import { ToastLinkCopied } from './ToastLinkCopied';
+import { TitleBarContainer } from './TitleBarContainer';
+import type { ExecuteMenuRoleType } from './TitleBarContainer';
 import { ToastLoadingFullLogs } from './ToastLoadingFullLogs';
 import { openLinkInWebBrowser } from '../util/openLinkInWebBrowser';
 import { createSupportUrl } from '../util/createSupportUrl';
 import { useEscapeHandling } from '../hooks/useEscapeHandling';
+import { useTheme } from '../hooks/useTheme';

 enum LoadState {
  NotStarted,
@ -28,6 +31,8 @@ export type PropsType = {
  i18n: LocalizerType;
  fetchLogs: () => Promise<string>;
  uploadLogs: (logs: string) => Promise<string>;
+  platform: string;
+  executeMenuRole: ExecuteMenuRoleType;
 };

 enum ToastType {
@ -42,6 +47,8 @@ export const DebugLogWindow = ({
  i18n,
  fetchLogs,
  uploadLogs,
+  platform,
+  executeMenuRole,
 }: PropsType): JSX.Element => {
  const [loadState, setLoadState] = useState<LoadState>(LoadState.NotStarted);
  const [logText, setLogText] = useState<string | undefined>();
@ -49,6 +56,8 @@ export const DebugLogWindow = ({
  const [textAreaValue, setTextAreaValue] = useState<string>(i18n('loading'));
  const [toastType, setToastType] = useState<ToastType | undefined>();

+  const theme = useTheme();
+
  useEscapeHandling(closeWindow);

  useEffect(() => {
@ -135,32 +144,41 @@ export const DebugLogWindow = ({
    });

    return (
-      <div className="DebugLogWindow">
-        <div>
-          <div className="DebugLogWindow__title">{i18n('debugLogSuccess')}</div>
-          <p className="DebugLogWindow__subtitle">
-            {i18n('debugLogSuccessNextSteps')}
-          </p>
+      <TitleBarContainer
+        platform={platform}
+        theme={theme}
+        executeMenuRole={executeMenuRole}
+        title={i18n('debugLog')}
+      >
+        <div className="DebugLogWindow">
+          <div>
+            <div className="DebugLogWindow__title">
+              {i18n('debugLogSuccess')}
+            </div>
+            <p className="DebugLogWindow__subtitle">
+              {i18n('debugLogSuccessNextSteps')}
+            </p>
+          </div>
+          <div className="DebugLogWindow__container">
+            <input
+              className="DebugLogWindow__link"
+              readOnly
+              type="text"
+              value={publicLogURL}
+            />
+          </div>
+          <div className="DebugLogWindow__footer">
+            <Button
+              onClick={() => openLinkInWebBrowser(supportURL)}
+              variant={ButtonVariant.Secondary}
+            >
+              {i18n('reportIssue')}
+            </Button>
+            <Button onClick={copyLog}>{i18n('debugLogCopy')}</Button>
+          </div>
+          {toastElement}
        </div>
-        <div className="DebugLogWindow__container">
-          <input
-            className="DebugLogWindow__link"
-            readOnly
-            type="text"
-            value={publicLogURL}
-          />
-        </div>
-        <div className="DebugLogWindow__footer">
-          <Button
-            onClick={() => openLinkInWebBrowser(supportURL)}
-            variant={ButtonVariant.Secondary}
-          >
-            {i18n('reportIssue')}
-          </Button>
-          <Button onClick={copyLog}>{i18n('debugLogCopy')}</Button>
-        </div>
-        {toastElement}
-      </div>
+      </TitleBarContainer>
    );
  }

@ -170,43 +188,50 @@ export const DebugLogWindow = ({
    loadState === LoadState.Started || loadState === LoadState.Submitting;

  return (
-    <div className="DebugLogWindow">
-      <div>
-        <div className="DebugLogWindow__title">{i18n('submitDebugLog')}</div>
-        <p className="DebugLogWindow__subtitle">
-          {i18n('debugLogExplanation')}
-        </p>
+    <TitleBarContainer
+      platform={platform}
+      theme={theme}
+      executeMenuRole={executeMenuRole}
+      title={i18n('debugLog')}
+    >
+      <div className="DebugLogWindow">
+        <div>
+          <div className="DebugLogWindow__title">{i18n('submitDebugLog')}</div>
+          <p className="DebugLogWindow__subtitle">
+            {i18n('debugLogExplanation')}
+          </p>
+        </div>
+        <div className="DebugLogWindow__container">
+          {isLoading ? (
+            <Spinner svgSize="normal" />
+          ) : (
+            <textarea
+              className="DebugLogWindow__textarea"
+              readOnly
+              rows={5}
+              spellCheck={false}
+              value={textAreaValue}
+            />
+          )}
+        </div>
+        <div className="DebugLogWindow__footer">
+          <Button
+            disabled={!canSave}
+            onClick={() => {
+              if (logText) {
+                downloadLog(logText);
+              }
+            }}
+            variant={ButtonVariant.Secondary}
+          >
+            {i18n('debugLogSave')}
+          </Button>
+          <Button disabled={!canSubmit} onClick={handleSubmit}>
+            {i18n('submit')}
+          </Button>
+        </div>
+        {toastElement}
      </div>
-      <div className="DebugLogWindow__container">
-        {isLoading ? (
-          <Spinner svgSize="normal" />
-        ) : (
-          <textarea
-            className="DebugLogWindow__textarea"
-            readOnly
-            rows={5}
-            spellCheck={false}
-            value={textAreaValue}
-          />
-        )}
-      </div>
-      <div className="DebugLogWindow__footer">
-        <Button
-          disabled={!canSave}
-          onClick={() => {
-            if (logText) {
-              downloadLog(logText);
-            }
-          }}
-          variant={ButtonVariant.Secondary}
-        >
-          {i18n('debugLogSave')}
-        </Button>
-        <Button disabled={!canSubmit} onClick={handleSubmit}>
-          {i18n('submit')}
-        </Button>
-      </div>
-      {toastElement}
-    </div>
+    </TitleBarContainer>
  );
 };
--- a/ts/components/ModalHost.tsx
+++ b/ts/components/ModalHost.tsx
@ -103,8 +103,19 @@ export const ModalHost = React.memo(
          useFocusTrap ? (
            <FocusTrap
              focusTrapOptions={{
-                // This is alright because the overlay covers the entire screen
-                allowOutsideClick: false,
+                allowOutsideClick: ({ target }) => {
+                  if (!target || !(target instanceof HTMLElement)) {
+                    return false;
+                  }
+
+                  const titleBar = document.querySelector(
+                    '.TitleBarContainer__title'
+                  );
+                  if (titleBar?.contains(target)) {
+                    return true;
+                  }
+                  return false;
+                },
              }}
            >
              {modalContent}
--- a/ts/components/Preferences.stories.tsx
+++ b/ts/components/Preferences.stories.tsx
@ -156,6 +156,9 @@ const createProps = (): PropsType => ({
  onZoomFactorChange: action('onZoomFactorChange'),

  i18n,
+
+  executeMenuRole: action('executeMenuRole'),
+  platform: 'win32',
 });

 export default {
--- a/ts/components/Preferences.tsx
+++ b/ts/components/Preferences.tsx
@ -29,6 +29,8 @@ import { PhoneNumberDiscoverability } from '../util/phoneNumberDiscoverability';
 import { PhoneNumberSharingMode } from '../util/phoneNumberSharingMode';
 import { Select } from './Select';
 import { Spinner } from './Spinner';
+import { TitleBarContainer } from './TitleBarContainer';
+import type { ExecuteMenuRoleType } from './TitleBarContainer';
 import { getCustomColorStyle } from '../util/getCustomColorStyle';
 import {
  DEFAULT_DURATIONS_IN_SECONDS,
@ -37,6 +39,7 @@ import {
 } from '../util/expirationTimer';
 import { useEscapeHandling } from '../hooks/useEscapeHandling';
 import { useUniqueId } from '../hooks/useUniqueId';
+import { useTheme } from '../hooks/useTheme';

 type CheckboxChangeHandlerType = (value: boolean) => unknown;
 type SelectChangeHandlerType<T = string | number> = (value: T) => unknown;
@ -99,6 +102,8 @@ export type PropsType = {
      value: CustomColorType;
    }
  ) => unknown;
+  platform: string;
+  executeMenuRole: ExecuteMenuRoleType;

  // Limited support features
  isAudioNotificationsSupported: boolean;
@ -193,6 +198,7 @@ export const Preferences = ({
  doDeleteAllData,
  doneRendering,
  editCustomColor,
+  executeMenuRole,
  getConversationsWithCustomColor,
  hasAudioNotifications,
  hasAutoDownloadUpdate,
@ -250,6 +256,7 @@ export const Preferences = ({
  onThemeChange,
  onUniversalExpireTimerChange,
  onZoomFactorChange,
+  platform,
  removeCustomColor,
  removeCustomColorOnConversations,
  resetAllChatColors,
@ -273,6 +280,7 @@ export const Preferences = ({
  const [nowSyncing, setNowSyncing] = useState(false);
  const [showDisappearingTimerDialog, setShowDisappearingTimerDialog] =
    useState(false);
+  const theme = useTheme();

  useEffect(() => {
    doneRendering();
@ -1017,78 +1025,85 @@ export const Preferences = ({
  }

  return (
-    <div className="Preferences">
-      <div className="Preferences__page-selector">
-        <button
-          type="button"
-          className={classNames({
-            Preferences__button: true,
-            'Preferences__button--general': true,
-            'Preferences__button--selected': page === Page.General,
-          })}
-          onClick={() => setPage(Page.General)}
-        >
-          {i18n('Preferences__button--general')}
-        </button>
-        <button
-          type="button"
-          className={classNames({
-            Preferences__button: true,
-            'Preferences__button--appearance': true,
-            'Preferences__button--selected':
-              page === Page.Appearance || page === Page.ChatColor,
-          })}
-          onClick={() => setPage(Page.Appearance)}
-        >
-          {i18n('Preferences__button--appearance')}
-        </button>
-        <button
-          type="button"
-          className={classNames({
-            Preferences__button: true,
-            'Preferences__button--chats': true,
-            'Preferences__button--selected': page === Page.Chats,
-          })}
-          onClick={() => setPage(Page.Chats)}
-        >
-          {i18n('Preferences__button--chats')}
-        </button>
-        <button
-          type="button"
-          className={classNames({
-            Preferences__button: true,
-            'Preferences__button--calls': true,
-            'Preferences__button--selected': page === Page.Calls,
-          })}
-          onClick={() => setPage(Page.Calls)}
-        >
-          {i18n('Preferences__button--calls')}
-        </button>
-        <button
-          type="button"
-          className={classNames({
-            Preferences__button: true,
-            'Preferences__button--notifications': true,
-            'Preferences__button--selected': page === Page.Notifications,
-          })}
-          onClick={() => setPage(Page.Notifications)}
-        >
-          {i18n('Preferences__button--notifications')}
-        </button>
-        <button
-          type="button"
-          className={classNames({
-            Preferences__button: true,
-            'Preferences__button--privacy': true,
-            'Preferences__button--selected': page === Page.Privacy,
-          })}
-          onClick={() => setPage(Page.Privacy)}
-        >
-          {i18n('Preferences__button--privacy')}
-        </button>
+    <TitleBarContainer
+      platform={platform}
+      theme={theme}
+      executeMenuRole={executeMenuRole}
+      title={i18n('signalDesktopPreferences')}
+    >
+      <div className="Preferences">
+        <div className="Preferences__page-selector">
+          <button
+            type="button"
+            className={classNames({
+              Preferences__button: true,
+              'Preferences__button--general': true,
+              'Preferences__button--selected': page === Page.General,
+            })}
+            onClick={() => setPage(Page.General)}
+          >
+            {i18n('Preferences__button--general')}
+          </button>
+          <button
+            type="button"
+            className={classNames({
+              Preferences__button: true,
+              'Preferences__button--appearance': true,
+              'Preferences__button--selected':
+                page === Page.Appearance || page === Page.ChatColor,
+            })}
+            onClick={() => setPage(Page.Appearance)}
+          >
+            {i18n('Preferences__button--appearance')}
+          </button>
+          <button
+            type="button"
+            className={classNames({
+              Preferences__button: true,
+              'Preferences__button--chats': true,
+              'Preferences__button--selected': page === Page.Chats,
+            })}
+            onClick={() => setPage(Page.Chats)}
+          >
+            {i18n('Preferences__button--chats')}
+          </button>
+          <button
+            type="button"
+            className={classNames({
+              Preferences__button: true,
+              'Preferences__button--calls': true,
+              'Preferences__button--selected': page === Page.Calls,
+            })}
+            onClick={() => setPage(Page.Calls)}
+          >
+            {i18n('Preferences__button--calls')}
+          </button>
+          <button
+            type="button"
+            className={classNames({
+              Preferences__button: true,
+              'Preferences__button--notifications': true,
+              'Preferences__button--selected': page === Page.Notifications,
+            })}
+            onClick={() => setPage(Page.Notifications)}
+          >
+            {i18n('Preferences__button--notifications')}
+          </button>
+          <button
+            type="button"
+            className={classNames({
+              Preferences__button: true,
+              'Preferences__button--privacy': true,
+              'Preferences__button--selected': page === Page.Privacy,
+            })}
+            onClick={() => setPage(Page.Privacy)}
+          >
+            {i18n('Preferences__button--privacy')}
+          </button>
+        </div>
+        <div className="Preferences__settings-pane">{settings}</div>
      </div>
-      <div className="Preferences__settings-pane">{settings}</div>
-    </div>
+    </TitleBarContainer>
  );
 };

--- a/ts/components/TitleBarContainer.tsx
+++ b/ts/components/TitleBarContainer.tsx
@ -0,0 +1,185 @@
+// Copyright 2021 Signal Messenger, LLC
+// SPDX-License-Identifier: AGPL-3.0-only
+
+import React from 'react';
+import type { ReactNode } from 'react';
+import TitleBar from '@indutny/frameless-titlebar';
+import type { MenuItem } from '@indutny/frameless-titlebar';
+import type { MenuItemConstructorOptions } from 'electron';
+
+import { createTemplate } from '../../app/menu';
+import { ThemeType } from '../types/Util';
+import type { LocaleMessagesType } from '../types/I18N';
+import type { MenuOptionsType, MenuActionType } from '../types/menu';
+
+export type MenuPropsType = Readonly<{
+  hasMenu: true;
+  localeMessages: LocaleMessagesType;
+  menuOptions: MenuOptionsType;
+  executeMenuAction: (action: MenuActionType) => void;
+}>;
+
+export type ExecuteMenuRoleType = (
+  role: MenuItemConstructorOptions['role']
+) => void;
+
+export type PropsType = Readonly<{
+  title: string;
+  theme: ThemeType;
+  isMaximized?: boolean;
+  isFullScreen?: boolean;
+  platform: string;
+  executeMenuRole: ExecuteMenuRoleType;
+  titleBarDoubleClick?: () => void;
+  children: ReactNode;
+}> &
+  (MenuPropsType | { hasMenu?: false });
+
+// Windows only
+const ROLE_TO_ACCELERATOR = new Map<
+  MenuItemConstructorOptions['role'],
+  string
+>();
+ROLE_TO_ACCELERATOR.set('undo', 'CmdOrCtrl+Z');
+ROLE_TO_ACCELERATOR.set('redo', 'CmdOrCtrl+Y');
+ROLE_TO_ACCELERATOR.set('cut', 'CmdOrCtrl+X');
+ROLE_TO_ACCELERATOR.set('copy', 'CmdOrCtrl+C');
+ROLE_TO_ACCELERATOR.set('paste', 'CmdOrCtrl+V');
+ROLE_TO_ACCELERATOR.set('pasteAndMatchStyle', 'CmdOrCtrl+Shift+V');
+ROLE_TO_ACCELERATOR.set('selectAll', 'CmdOrCtrl+A');
+ROLE_TO_ACCELERATOR.set('resetZoom', 'CmdOrCtrl+0');
+ROLE_TO_ACCELERATOR.set('zoomIn', 'CmdOrCtrl+=');
+ROLE_TO_ACCELERATOR.set('zoomOut', 'CmdOrCtrl+-');
+ROLE_TO_ACCELERATOR.set('togglefullscreen', 'F11');
+ROLE_TO_ACCELERATOR.set('toggleDevTools', 'CmdOrCtrl+Shift+I');
+ROLE_TO_ACCELERATOR.set('minimize', 'CmdOrCtrl+M');
+
+function convertMenu(
+  menuList: ReadonlyArray<MenuItemConstructorOptions>,
+  executeMenuRole: (role: MenuItemConstructorOptions['role']) => void
+): Array<MenuItem> {
+  return menuList.map(item => {
+    const {
+      type,
+      label,
+      accelerator: originalAccelerator,
+      click: originalClick,
+      submenu: originalSubmenu,
+      role,
+    } = item;
+    let submenu: Array<MenuItem> | undefined;
+
+    if (Array.isArray(originalSubmenu)) {
+      submenu = convertMenu(originalSubmenu, executeMenuRole);
+    } else if (originalSubmenu) {
+      throw new Error('Non-array submenu is not supported');
+    }
+
+    let click: (() => unknown) | undefined;
+    if (originalClick) {
+      if (role) {
+        throw new Error(`Menu item: ${label} has both click and role`);
+      }
+
+      // We don't use arguments in app/menu.ts
+      click = originalClick as () => unknown;
+    } else if (role) {
+      click = () => executeMenuRole(role);
+    }
+
+    let accelerator: string | undefined;
+    if (originalAccelerator) {
+      accelerator = originalAccelerator.toString();
+    } else if (role) {
+      accelerator = ROLE_TO_ACCELERATOR.get(role);
+    }
+
+    return {
+      type,
+      label,
+      accelerator,
+      click,
+      submenu,
+    };
+  });
+}
+
+export const TitleBarContainer = (props: PropsType): JSX.Element => {
+  const {
+    title,
+    theme,
+    isMaximized,
+    isFullScreen,
+    executeMenuRole,
+    titleBarDoubleClick,
+    children,
+    platform,
+    hasMenu,
+  } = props;
+
+  if (platform !== 'win32' || isFullScreen) {
+    return <>{children}</>;
+  }
+
+  let maybeMenu: Array<MenuItem> | undefined;
+  if (hasMenu) {
+    const { localeMessages, menuOptions, executeMenuAction } = props;
+
+    const menuTemplate = createTemplate(
+      {
+        ...menuOptions,
+
+        // actions
+        forceUpdate: () => executeMenuAction('forceUpdate'),
+        openContactUs: () => executeMenuAction('openContactUs'),
+        openForums: () => executeMenuAction('openForums'),
+        openJoinTheBeta: () => executeMenuAction('openJoinTheBeta'),
+        openReleaseNotes: () => executeMenuAction('openReleaseNotes'),
+        openSupportPage: () => executeMenuAction('openSupportPage'),
+        setupAsNewDevice: () => executeMenuAction('setupAsNewDevice'),
+        setupAsStandalone: () => executeMenuAction('setupAsStandalone'),
+        showAbout: () => executeMenuAction('showAbout'),
+        showDebugLog: () => executeMenuAction('showDebugLog'),
+        showKeyboardShortcuts: () => executeMenuAction('showKeyboardShortcuts'),
+        showSettings: () => executeMenuAction('showSettings'),
+        showStickerCreator: () => executeMenuAction('showStickerCreator'),
+        showWindow: () => executeMenuAction('showWindow'),
+      },
+      localeMessages
+    );
+
+    maybeMenu = convertMenu(menuTemplate, executeMenuRole);
+  }
+
+  const titleBarTheme = {
+    bar: {
+      palette:
+        theme === ThemeType.light ? ('light' as const) : ('dark' as const),
+    },
+
+    // Hide overlay
+    menu: {
+      overlay: {
+        opacity: 0,
+      },
+    },
+  };
+
+  return (
+    <div className="TitleBarContainer">
+      <TitleBar
+        className="TitleBarContainer__title"
+        platform={platform}
+        title={title}
+        iconSrc="images/icon_32.png"
+        theme={titleBarTheme}
+        maximized={isMaximized}
+        menu={maybeMenu}
+        onDoubleClick={titleBarDoubleClick}
+        hideControls
+      />
+
+      <div className="TitleBarContainer__content">{children}</div>
+    </div>
+  );
+};
--- a/ts/context/createNativeThemeListener.ts
+++ b/ts/context/createNativeThemeListener.ts
@ -27,6 +27,7 @@ export type SystemThemeHolder = { systemTheme: SystemThemeType };
 export type NativeThemeType = {
  getSystemTheme: () => SystemThemeType;
  subscribe: (fn: Callback) => void;
+  unsubscribe: (fn: Callback) => void;
  update: () => SystemThemeType;
 };

@ -50,6 +51,14 @@ export function createNativeThemeListener(
    subscribers.push(fn);
  }

+  function unsubscribe(fn: Callback): void {
+    const index = subscribers.indexOf(fn);
+
+    if (index !== -1) {
+      subscribers.splice(index, 1);
+    }
+  }
+
  ipc.on(
    'native-theme:changed',
    (_event: unknown, change: NativeThemeState) => {
@ -67,6 +76,7 @@ export function createNativeThemeListener(
  return {
    getSystemTheme: () => systemTheme,
    subscribe,
+    unsubscribe,
    update,
  };
 }
--- a/ts/hooks/useTheme.ts
+++ b/ts/hooks/useTheme.ts
@ -0,0 +1,58 @@
+// Copyright 2022 Signal Messenger, LLC
+// SPDX-License-Identifier: AGPL-3.0-only
+
+import { useState, useEffect } from 'react';
+
+import { ThemeType } from '../types/Util';
+
+// Note that this hook is used in non-main windows (e.g. "About" and
+// "Debug Log" windows), and thus can't access redux state.
+export const useTheme = (): ThemeType => {
+  const [theme, updateTheme] = useState(ThemeType.light);
+
+  // Storybook support
+  const { SignalContext } = window;
+
+  useEffect(() => {
+    const abortController = new AbortController();
+
+    const { signal } = abortController;
+
+    async function applyTheme() {
+      let newTheme = await SignalContext.Settings.themeSetting.getValue();
+      if (newTheme === 'system') {
+        newTheme = SignalContext.nativeThemeListener.getSystemTheme();
+      }
+
+      if (signal.aborted) {
+        return;
+      }
+
+      if (newTheme === 'dark') {
+        updateTheme(ThemeType.dark);
+      } else {
+        updateTheme(ThemeType.light);
+      }
+    }
+
+    async function loop() {
+      while (!signal.aborted) {
+        // eslint-disable-next-line no-await-in-loop
+        await applyTheme();
+
+        // eslint-disable-next-line no-await-in-loop
+        await SignalContext.Settings.waitForChange();
+      }
+    }
+
+    SignalContext.nativeThemeListener.subscribe(applyTheme);
+    loop();
+
+    return () => {
+      abortController.abort();
+      SignalContext.nativeThemeListener.unsubscribe(applyTheme);
+    };
+  }, [updateTheme, SignalContext.Settings, SignalContext.nativeThemeListener]);
+
+  return theme;
+};
--- a/ts/main/settingsChannel.ts
+++ b/ts/main/settingsChannel.ts
@ -3,6 +3,7 @@

 import type { BrowserWindow } from 'electron';
 import { ipcMain as ipc, session } from 'electron';
+import { EventEmitter } from 'events';

 import { userConfig } from '../../app/user_config';
 import { ephemeralConfig } from '../../app/ephemeral_config';
@ -25,7 +26,7 @@ type ResponseQueueEntry = Readonly<{
  reject(error: Error): void;
 }>;

-export class SettingsChannel {
+export class SettingsChannel extends EventEmitter {
  private mainWindow?: BrowserWindow;

  private readonly responseQueue = new Map<number, ResponseQueueEntry>();
@ -229,7 +230,7 @@ export class SettingsChannel {
      return;
    }

-    ipc.handle(`settings:set:${name}`, (_event, value) => {
+    ipc.handle(`settings:set:${name}`, async (_event, value) => {
      if (isEphemeral) {
        const ephemeralName = EPHEMERAL_NAME_MAP.get(name);
        strictAssert(
@ -239,7 +240,9 @@ export class SettingsChannel {
        ephemeralConfig.set(ephemeralName, value);
      }

-      return this.setSettingInMainWindow(name, value);
+      await this.setSettingInMainWindow(name, value);
+
+      this.emit(`change:${name}`, value);
    });
  }
 }
--- a/ts/state/ducks/user.ts
+++ b/ts/state/ducks/user.ts
@ -5,8 +5,10 @@ import { trigger } from '../../shims/events';

 import type { NoopActionType } from './noop';
 import type { LocalizerType } from '../../types/Util';
+import type { LocaleMessagesType } from '../../types/I18N';
 import { ThemeType } from '../../types/Util';
 import type { UUIDStringType } from '../../types/UUID';
+import type { MenuOptionsType } from '../../types/menu';

 // State

@ -21,7 +23,11 @@ export type UserStateType = {
  platform: string;
  regionCode: string | undefined;
  i18n: LocalizerType;
+  localeMessages: LocaleMessagesType;
  interactionMode: 'mouse' | 'keyboard';
+  isMainWindowMaximized: boolean;
+  isMainWindowFullScreen: boolean;
+  menuOptions: MenuOptionsType;
  theme: ThemeType;
  version: string;
 };
@ -38,6 +44,9 @@ type UserChangedActionType = {
    regionCode?: string;
    interactionMode?: 'mouse' | 'keyboard';
    theme?: ThemeType;
+    isMainWindowMaximized?: boolean;
+    isMainWindowFullScreen?: boolean;
+    menuOptions?: MenuOptionsType;
  };
 };

@ -58,6 +67,9 @@ function userChanged(attributes: {
  ourUuid?: UUIDStringType;
  regionCode?: string;
  theme?: ThemeType;
+  isMainWindowMaximized?: boolean;
+  isMainWindowFullScreen?: boolean;
+  menuOptions?: MenuOptionsType;
 }): UserChangedActionType {
  return {
    type: 'USER_CHANGED',
@ -88,6 +100,15 @@ export function getEmptyState(): UserStateType {
    regionCode: 'missing',
    platform: 'missing',
    interactionMode: 'mouse',
+    isMainWindowMaximized: false,
+    isMainWindowFullScreen: false,
+    menuOptions: {
+      development: false,
+      devTools: false,
+      includeSetup: false,
+      isProduction: true,
+      platform: 'unknown',
+    },
    theme: ThemeType.light,
    i18n: Object.assign(
      () => {
@ -99,6 +120,7 @@ export function getEmptyState(): UserStateType {
        },
      }
    ),
+    localeMessages: {},
    version: '0.0.0',
  };
 }
--- a/ts/state/getInitialState.ts
+++ b/ts/state/getInitialState.ts
@ -25,14 +25,20 @@ import type { StateType } from './reducer';
 import type { BadgesStateType } from './ducks/badges';
 import type { StoryDataType } from './ducks/stories';
 import { getInitialState as stickers } from '../types/Stickers';
+import type { MenuOptionsType } from '../types/menu';
 import { getEmojiReducerState as emojis } from '../util/loadRecentEmojis';
+import type { MainWindowStatsType } from '../windows/context';

 export function getInitialState({
  badges,
  stories,
+  mainWindowStats,
+  menuOptions,
 }: {
  badges: BadgesStateType;
  stories: Array<StoryDataType>;
+  mainWindowStats: MainWindowStatsType;
+  menuOptions: MenuOptionsType;
 }): StateType {
  const items = window.storage.getItemsState();

@ -108,9 +114,13 @@ export function getInitialState({
      ourUuid,
      platform: window.platform,
      i18n: window.i18n,
+      localeMessages: window.SignalContext.localeMessages,
      interactionMode: window.getInteractionMode(),
      theme,
      version: window.getVersion(),
+      isMainWindowMaximized: mainWindowStats.isMaximized,
+      isMainWindowFullScreen: mainWindowStats.isFullScreen,
+      menuOptions,
    },
  };
 }
--- a/ts/state/selectors/user.ts
+++ b/ts/state/selectors/user.ts
@ -5,6 +5,8 @@ import { createSelector } from 'reselect';

 import type { LocalizerType, ThemeType } from '../../types/Util';
 import type { UUIDStringType } from '../../types/UUID';
+import type { LocaleMessagesType } from '../../types/I18N';
+import type { MenuOptionsType } from '../../types/menu';

 import type { StateType } from '../reducer';
 import type { UserStateType } from '../ducks/user';
@ -43,6 +45,11 @@ export const getIntl = createSelector(
  (state: UserStateType): LocalizerType => state.i18n
 );

+export const getLocaleMessages = createSelector(
+  getUser,
+  (state: UserStateType): LocaleMessagesType => state.localeMessages
+);
+
 export const getInteractionMode = createSelector(
  getUser,
  (state: UserStateType) => state.interactionMode
@ -81,3 +88,18 @@ const getVersion = createSelector(
 export const getIsAlpha = createSelector(getVersion, isAlpha);

 export const getIsBeta = createSelector(getVersion, isBeta);
+
+export const getIsMainWindowMaximized = createSelector(
+  getUser,
+  (state: UserStateType): boolean => state.isMainWindowMaximized
+);
+
+export const getIsMainWindowFullScreen = createSelector(
+  getUser,
+  (state: UserStateType): boolean => state.isMainWindowFullScreen
+);
+
+export const getMenuOptions = createSelector(
+  getUser,
+  (state: UserStateType): MenuOptionsType => state.menuOptions
+);
--- a/ts/state/smart/App.tsx
+++ b/ts/state/smart/App.tsx
@ -3,7 +3,9 @@

 import React from 'react';
 import { connect } from 'react-redux';
+import type { MenuItemConstructorOptions } from 'electron';

+import type { MenuActionType } from '../../types/menu';
 import { App } from '../../components/App';
 import { SmartCallManager } from './CallManager';
 import { SmartCustomizingPreferredReactionsModal } from './CustomizingPreferredReactionsModal';
@ -12,7 +14,15 @@ import { SmartSafetyNumberViewer } from './SafetyNumberViewer';
 import { SmartStories } from './Stories';
 import type { StateType } from '../reducer';
 import { getPreferredBadgeSelector } from '../selectors/badges';
-import { getIntl, getTheme } from '../selectors/user';
+import {
+  getIntl,
+  getLocaleMessages,
+  getTheme,
+  getIsMainWindowMaximized,
+  getIsMainWindowFullScreen,
+  getMenuOptions,
+  getPlatform,
+} from '../selectors/user';
 import { shouldShowStoriesView } from '../selectors/stories';
 import { getConversationsStoppingSend } from '../selectors/conversations';
 import { getIsCustomizingPreferredReactions } from '../selectors/preferredReactions';
@ -25,7 +35,12 @@ const mapStateToProps = (state: StateType) => {
    conversationsStoppingSend: getConversationsStoppingSend(state),
    getPreferredBadge: getPreferredBadgeSelector(state),
    i18n: getIntl(state),
+    localeMessages: getLocaleMessages(state),
    isCustomizingPreferredReactions: getIsCustomizingPreferredReactions(state),
+    isMaximized: getIsMainWindowMaximized(state),
+    isFullScreen: getIsMainWindowFullScreen(state),
+    menuOptions: getMenuOptions(state),
+    platform: getPlatform(state),
    renderCallManager: () => <SmartCallManager />,
    renderCustomizingPreferredReactionsModal: () => (
      <SmartCustomizingPreferredReactionsModal />
@ -53,6 +68,16 @@ const mapStateToProps = (state: StateType) => {
      return window.getAccountManager().registerSingleDevice(number, code);
    },
    theme: getTheme(state),
+
+    executeMenuRole: (role: MenuItemConstructorOptions['role']): void => {
+      window.SignalContext.executeMenuRole(role);
+    },
+    executeMenuAction: (action: MenuActionType): void => {
+      window.SignalContext.executeMenuAction(action);
+    },
+    titleBarDoubleClick: (): void => {
+      window.titleBarDoubleClick();
+    },
  };
 };

--- a/ts/test-node/app/menu_test.ts
+++ b/ts/test-node/app/menu_test.ts
@ -5,9 +5,10 @@ import { assert } from 'chai';
 import { stub } from 'sinon';
 import type { MenuItemConstructorOptions } from 'electron';

-import type { MenuListType, MenuOptionsType } from '../../../app/menu';
+import type { CreateTemplateOptionsType } from '../../../app/menu';
 import { createTemplate } from '../../../app/menu';
 import { load as loadLocale } from '../../../app/locale';
+import type { MenuListType } from '../../types/menu';

 const forceUpdate = stub();
 const openContactUs = stub();
@ -53,13 +54,11 @@ const getExpectedEditMenu = (
  ],
 });

-const getExpectedViewMenu = (
-  zoomModifier: 'Command' | 'Control'
-): MenuItemConstructorOptions => ({
+const getExpectedViewMenu = (): MenuItemConstructorOptions => ({
  label: '&View',
  submenu: [
    { label: 'Actual Size', role: 'resetZoom' },
-    { accelerator: `${zoomModifier}+=`, label: 'Zoom In', role: 'zoomIn' },
+    { accelerator: 'CmdOrCtrl+=', label: 'Zoom In', role: 'zoomIn' },
    { label: 'Zoom Out', role: 'zoomOut' },
    { type: 'separator' },
    { label: 'Toggle Full Screen', role: 'togglefullscreen' },
@ -127,7 +126,7 @@ const EXPECTED_MACOS: MenuListType = [
    ],
  },
  getExpectedEditMenu(true),
-  getExpectedViewMenu('Command'),
+  getExpectedViewMenu(),
  {
    label: '&Window',
    role: 'window',
@ -157,7 +156,7 @@ const EXPECTED_WINDOWS: MenuListType = [
    ],
  },
  getExpectedEditMenu(false),
-  getExpectedViewMenu('Control'),
+  getExpectedViewMenu(),
  {
    label: '&Window',
    role: 'window',
@ -226,7 +225,7 @@ describe('createTemplate', () => {
  PLATFORMS.forEach(({ label, platform, expectedDefault }) => {
    describe(label, () => {
      it('should return the correct template without setup options', () => {
-        const options: MenuOptionsType = {
+        const options: CreateTemplateOptionsType = {
          development: false,
          devTools: true,
          includeSetup: false,
@ -240,7 +239,7 @@ describe('createTemplate', () => {
      });

      it('should return correct template with setup options', () => {
-        const options: MenuOptionsType = {
+        const options: CreateTemplateOptionsType = {
          development: false,
          devTools: true,
          includeSetup: true,
--- a/ts/types/Settings.ts
+++ b/ts/types/Settings.ts
@ -45,15 +45,6 @@ export const isHideMenuBarSupported = (): boolean => !OS.isMacOS();
 // the "draw attention on notification" option is specific to Windows and Linux
 export const isDrawAttentionSupported = (): boolean => !OS.isMacOS();

-export enum TitleBarVisibility {
-  Visible,
-  Hidden,
-}
-
-// This should match the "logic" in `stylesheets/_global.scss`.
-export const getTitleBarVisibility = (): TitleBarVisibility =>
-  OS.isMacOS() ? TitleBarVisibility.Hidden : TitleBarVisibility.Visible;
-
 /**
 * Returns `true` if you can minimize the app to the system tray. Users can override this
 * option with a command line flag, but that is not officially supported.
--- a/ts/types/menu.ts
+++ b/ts/types/menu.ts
@ -0,0 +1,33 @@
+// Copyright 2017-2022 Signal Messenger, LLC
+// SPDX-License-Identifier: AGPL-3.0-only
+
+import type { MenuItemConstructorOptions } from 'electron';
+
+export type MenuListType = Array<MenuItemConstructorOptions>;
+
+export type MenuOptionsType = Readonly<{
+  development: boolean;
+  devTools: boolean;
+  includeSetup: boolean;
+  isProduction: boolean;
+  platform: string;
+}>;
+
+export type MenuActionsType = Readonly<{
+  forceUpdate: () => unknown;
+  openContactUs: () => unknown;
+  openForums: () => unknown;
+  openJoinTheBeta: () => unknown;
+  openReleaseNotes: () => unknown;
+  openSupportPage: () => unknown;
+  setupAsNewDevice: () => unknown;
+  setupAsStandalone: () => unknown;
+  showAbout: () => unknown;
+  showDebugLog: () => unknown;
+  showKeyboardShortcuts: () => unknown;
+  showSettings: () => unknown;
+  showStickerCreator: () => unknown;
+  showWindow: () => unknown;
+}>;
+
+export type MenuActionType = keyof MenuActionsType;
--- a/ts/util/lint/exceptions.json
+++ b/ts/util/lint/exceptions.json
@ -132,6 +132,160 @@
    "reasonCategory": "falseMatch",
    "updated": "2021-04-05T20:48:36.065Z"
  },
+  {
+    "rule": "React-createRef",
+    "path": "node_modules/@indutny/frameless-titlebar/dist/index.es.js",
+    "line": "    .map(() => createRef());",
+    "reasonCategory": "usageTrusted",
+    "updated": "2022-06-06T22:58:37.359Z"
+  },
+  {
+    "rule": "React-useRef",
+    "path": "node_modules/@indutny/frameless-titlebar/dist/index.es.js",
+    "line": "    const ref = useRef(null);",
+    "reasonCategory": "usageTrusted",
+    "updated": "2022-06-06T22:58:37.359Z"
+  },
+  {
+    "rule": "React-useRef",
+    "path": "node_modules/@indutny/frameless-titlebar/dist/index.es.js",
+    "line": "    const ref = useRef();",
+    "reasonCategory": "usageTrusted",
+    "updated": "2022-06-06T22:58:37.359Z"
+  },
+  {
+    "rule": "React-useRef",
+    "path": "node_modules/@indutny/frameless-titlebar/dist/index.es.js",
+    "line": "    const activeMenus = useRef((_a = menu === null || menu === void 0 ? void 0 : menu.length) !== null && _a !== void 0 ? _a : 0);",
+    "reasonCategory": "usageTrusted",
+    "updated": "2022-06-06T22:58:37.359Z"
+  },
+  {
+    "rule": "React-useRef",
+    "path": "node_modules/@indutny/frameless-titlebar/dist/index.es.js",
+    "line": "    const savedCallback = useRef(onClickAway);",
+    "reasonCategory": "usageTrusted",
+    "updated": "2022-06-06T22:58:37.359Z"
+  },
+  {
+    "rule": "React-useRef",
+    "path": "node_modules/@indutny/frameless-titlebar/dist/index.es.js",
+    "line": "    const menuRef = useRef(null);",
+    "reasonCategory": "usageTrusted",
+    "updated": "2022-06-06T22:58:37.359Z"
+  },
+  {
+    "rule": "React-useRef",
+    "path": "node_modules/@indutny/frameless-titlebar/dist/index.es.js",
+    "line": "    const scrollRef = useRef(null);",
+    "reasonCategory": "usageTrusted",
+    "updated": "2022-06-06T22:58:37.359Z"
+  },
+  {
+    "rule": "React-useRef",
+    "path": "node_modules/@indutny/frameless-titlebar/dist/index.es.js",
+    "line": "    myRef = myRef !== null && myRef !== void 0 ? myRef : useRef(null);",
+    "reasonCategory": "usageTrusted",
+    "updated": "2022-06-06T22:58:37.359Z"
+  },
+  {
+    "rule": "React-useRef",
+    "path": "node_modules/@indutny/frameless-titlebar/dist/index.es.js",
+    "line": "    const overflowRef = useRef(null);",
+    "reasonCategory": "usageTrusted",
+    "updated": "2022-06-06T22:58:37.359Z"
+  },
+  {
+    "rule": "React-useRef",
+    "path": "node_modules/@indutny/frameless-titlebar/dist/index.es.js",
+    "line": "    const menuBar = useRef(null);",
+    "reasonCategory": "usageTrusted",
+    "updated": "2022-06-06T22:58:37.359Z"
+  },
+  {
+    "rule": "React-useRef",
+    "path": "node_modules/@indutny/frameless-titlebar/dist/index.es.js",
+    "line": "    const ref = useRef(null);",
+    "reasonCategory": "usageTrusted",
+    "updated": "2022-06-06T22:58:37.359Z"
+  },
+  {
+    "rule": "React-createRef",
+    "path": "node_modules/@indutny/frameless-titlebar/dist/index.js",
+    "line": "    .map(() => React.createRef());",
+    "reasonCategory": "usageTrusted",
+    "updated": "2022-06-06T22:58:37.359Z"
+  },
+  {
+    "rule": "React-useRef",
+    "path": "node_modules/@indutny/frameless-titlebar/dist/index.js",
+    "line": "    const ref = React.useRef(null);",
+    "reasonCategory": "usageTrusted",
+    "updated": "2022-06-06T22:58:37.359Z"
+  },
+  {
+    "rule": "React-useRef",
+    "path": "node_modules/@indutny/frameless-titlebar/dist/index.js",
+    "line": "    const ref = React.useRef();",
+    "reasonCategory": "usageTrusted",
+    "updated": "2022-06-06T22:58:37.359Z"
+  },
+  {
+    "rule": "React-useRef",
+    "path": "node_modules/@indutny/frameless-titlebar/dist/index.js",
+    "line": "    const activeMenus = React.useRef((_a = menu === null || menu === void 0 ? void 0 : menu.length) !== null && _a !== void 0 ? _a : 0);",
+    "reasonCategory": "usageTrusted",
+    "updated": "2022-06-06T22:58:37.359Z"
+  },
+  {
+    "rule": "React-useRef",
+    "path": "node_modules/@indutny/frameless-titlebar/dist/index.js",
+    "line": "    const savedCallback = React.useRef(onClickAway);",
+    "reasonCategory": "usageTrusted",
+    "updated": "2022-06-06T22:58:37.359Z"
+  },
+  {
+    "rule": "React-useRef",
+    "path": "node_modules/@indutny/frameless-titlebar/dist/index.js",
+    "line": "    const menuRef = React.useRef(null);",
+    "reasonCategory": "usageTrusted",
+    "updated": "2022-06-06T22:58:37.359Z"
+  },
+  {
+    "rule": "React-useRef",
+    "path": "node_modules/@indutny/frameless-titlebar/dist/index.js",
+    "line": "    const scrollRef = React.useRef(null);",
+    "reasonCategory": "usageTrusted",
+    "updated": "2022-06-06T22:58:37.359Z"
+  },
+  {
+    "rule": "React-useRef",
+    "path": "node_modules/@indutny/frameless-titlebar/dist/index.js",
+    "line": "    myRef = myRef !== null && myRef !== void 0 ? myRef : React.useRef(null);",
+    "reasonCategory": "usageTrusted",
+    "updated": "2022-06-06T22:58:37.359Z"
+  },
+  {
+    "rule": "React-useRef",
+    "path": "node_modules/@indutny/frameless-titlebar/dist/index.js",
+    "line": "    const overflowRef = React.useRef(null);",
+    "reasonCategory": "usageTrusted",
+    "updated": "2022-06-06T22:58:37.359Z"
+  },
+  {
+    "rule": "React-useRef",
+    "path": "node_modules/@indutny/frameless-titlebar/dist/index.js",
+    "line": "    const menuBar = React.useRef(null);",
+    "reasonCategory": "usageTrusted",
+    "updated": "2022-06-06T22:58:37.359Z"
+  },
+  {
+    "rule": "React-useRef",
+    "path": "node_modules/@indutny/frameless-titlebar/dist/index.js",
+    "line": "    const ref = React.useRef(null);",
+    "reasonCategory": "usageTrusted",
+    "updated": "2022-06-06T22:58:37.359Z"
+  },
  {
    "rule": "jQuery-append(",
    "path": "node_modules/@jridgewell/source-map/dist/source-map.umd.js",
--- a/ts/windows/about/preload.ts
+++ b/ts/windows/about/preload.ts
@ -3,7 +3,7 @@

 import React from 'react';
 import ReactDOM from 'react-dom';
-import { contextBridge, ipcRenderer } from 'electron';
+import { contextBridge } from 'electron';

 import { SignalContext } from '../context';
 import { About } from '../../components/About';
@ -29,10 +29,12 @@ contextBridge.exposeInMainWorld('SignalContext', {

    ReactDOM.render(
      React.createElement(About, {
-        closeAbout: () => ipcRenderer.send('close-about'),
+        closeAbout: () => SignalContext.executeMenuRole('close'),
        environment: `${environmentText.join(' - ')}${platform}`,
        i18n: SignalContext.i18n,
        version: SignalContext.getVersion(),
+        platform: process.platform,
+        executeMenuRole: SignalContext.executeMenuRole,
      }),
      document.getElementById('app')
    );
--- a/ts/windows/context.ts
+++ b/ts/windows/context.ts
@ -2,11 +2,14 @@
 // SPDX-License-Identifier: AGPL-3.0-only

 import { ipcRenderer } from 'electron';
+import type { MenuItemConstructorOptions } from 'electron';
 import url from 'url';
 import type { ParsedUrlQuery } from 'querystring';
+import type { MenuOptionsType, MenuActionType } from '../types/menu';
 import type { IPCEventsValuesType } from '../util/createIPCEvents';
 import type { LocalizerType } from '../types/Util';
 import type { LoggerType } from '../types/Logging';
+import type { LocaleMessagesType } from '../types/I18N';
 import type { NativeThemeType } from '../context/createNativeThemeListener';
 import type { SettingType } from '../util/preload';
 import { Bytes } from '../context/Bytes';
@ -37,6 +40,11 @@ strictAssert(Boolean(window.SignalContext), 'context must be defined');

 initializeLogging();

+export type MainWindowStatsType = Readonly<{
+  isMaximized: boolean;
+  isFullScreen: boolean;
+}>;
+
 export type SignalContextType = {
  bytes: Bytes;
  crypto: Crypto;
@ -55,8 +63,13 @@ export type SignalContextType = {
  getVersion: () => string;
  getPath: (name: 'userData' | 'home') => string;
  i18n: LocalizerType;
+  localeMessages: LocaleMessagesType;
  log: LoggerType;
  renderWindow?: () => void;
+  executeMenuRole: (role: MenuItemConstructorOptions['role']) => Promise<void>;
+  getMainWindowStats: () => Promise<MainWindowStatsType>;
+  getMenuOptions: () => Promise<MenuOptionsType>;
+  executeMenuAction: (action: MenuActionType) => Promise<void>;
 };

 export const SignalContext: SignalContextType = {
@ -76,12 +89,27 @@ export const SignalContext: SignalContextType = {
    return String(config[`${name}Path`]);
  },
  i18n: setupI18n(locale, localeMessages),
+  localeMessages,
  log: window.SignalContext.log,
  nativeThemeListener: createNativeThemeListener(ipcRenderer, window),
  setIsCallActive(isCallActive: boolean): void {
    ipcRenderer.send('set-is-call-active', isCallActive);
  },
  timers: new Timers(),
+  async executeMenuRole(
+    role: MenuItemConstructorOptions['role']
+  ): Promise<void> {
+    await ipcRenderer.invoke('executeMenuRole', role);
+  },
+  async getMainWindowStats(): Promise<MainWindowStatsType> {
+    return ipcRenderer.invoke('getMainWindowStats');
+  },
+  async getMenuOptions(): Promise<MenuOptionsType> {
+    return ipcRenderer.invoke('getMenuOptions');
+  },
+  async executeMenuAction(action: MenuActionType): Promise<void> {
+    return ipcRenderer.invoke('executeMenuAction', action);
+  },
 };

 window.SignalContext = SignalContext;
--- a/ts/windows/debuglog/preload.ts
+++ b/ts/windows/debuglog/preload.ts
@ -23,7 +23,9 @@ contextBridge.exposeInMainWorld('SignalContext', {

    ReactDOM.render(
      React.createElement(DebugLogWindow, {
-        closeWindow: () => ipcRenderer.send('close-debug-log'),
+        platform: process.platform,
+        executeMenuRole: SignalContext.executeMenuRole,
+        closeWindow: () => SignalContext.executeMenuRole('close'),
        downloadLog: (logText: string) =>
          ipcRenderer.send('show-debug-log-save-dialog', logText),
        i18n: SignalContext.i18n,
--- a/ts/windows/permissions/preload.ts
+++ b/ts/windows/permissions/preload.ts
@ -3,7 +3,7 @@

 import React from 'react';
 import ReactDOM from 'react-dom';
-import { contextBridge, ipcRenderer } from 'electron';
+import { contextBridge } from 'electron';

 import { SignalContext } from '../context';

@ -40,7 +40,7 @@ contextBridge.exposeInMainWorld('SignalContext', {
    }

    function onClose() {
-      ipcRenderer.send('close-permissions-popup');
+      SignalContext.executeMenuRole('close');
    }

    ReactDOM.render(
--- a/ts/windows/screenShare/preload.ts
+++ b/ts/windows/screenShare/preload.ts
@ -13,9 +13,10 @@ contextBridge.exposeInMainWorld('SignalContext', SignalContext);
 function renderScreenSharingController(presentedSourceName: string): void {
  ReactDOM.render(
    React.createElement(CallingScreenSharingController, {
+      platform: process.platform,
+      executeMenuRole: SignalContext.executeMenuRole,
      i18n: SignalContext.i18n,
-      onCloseController: () =>
-        ipcRenderer.send('close-screen-share-controller'),
+      onCloseController: () => SignalContext.executeMenuRole('close'),
      onStopSharing: () => ipcRenderer.send('stop-screen-share'),
      presentedSourceName,
    }),
--- a/ts/windows/settings/preload.ts
+++ b/ts/windows/settings/preload.ts
@ -247,7 +247,7 @@ const renderPreferences = async () => {

    // Actions and other props
    addCustomColor: ipcAddCustomColor,
-    closeSettings: () => ipcRenderer.send('close-settings'),
+    closeSettings: () => SignalContext.executeMenuRole('close'),
    doDeleteAllData: () => ipcRenderer.send('delete-all-data'),
    doneRendering,
    editCustomColor: ipcEditCustomColor,
@ -337,6 +337,9 @@ const renderPreferences = async () => {
    onZoomFactorChange: settingZoomFactor.setValue,

    i18n: SignalContext.i18n,
+
+    platform: process.platform,
+    executeMenuRole: SignalContext.executeMenuRole,
  };

  function reRender<Value>(f: (value: Value) => Promise<Value>) {
--- a/yarn.lock
+++ b/yarn.lock
@ -1378,6 +1378,14 @@
  resolved "https://registry.yarnpkg.com/@gar/promisify/-/promisify-1.1.3.tgz#555193ab2e3bb3b6adc3d551c9c030d9e860daf6"
  integrity sha512-k2Ty1JcVojjJFwrg/ThKi2ujJ7XNLYaFGNB/bWT9wGR+oSMJHMa5w+CUq6p/pVrKeNNgA7pCqEcjSnHVoqJQFw==

+"@indutny/frameless-titlebar@2.1.4-rc.8":
+  version "2.1.4-rc.8"
+  resolved "https://registry.yarnpkg.com/@indutny/frameless-titlebar/-/frameless-titlebar-2.1.4-rc.8.tgz#e315d9c0199e769f8d7811d67d9b821658b66afb"
+  integrity sha512-R9gXCfe4LA6K0urEiCKT3h9hxcg4Z/BZZxbMp607sQ7z2bfLaCAVCm7WdAkl2piOPMNorYCWd7Vo2oG6krGmVg==
+  dependencies:
+    classnames "^2.2.6"
+    deepmerge "^4.2.2"
+
 "@istanbuljs/schema@^0.1.2", "@istanbuljs/schema@^0.1.3":
  version "0.1.3"
  resolved "https://registry.yarnpkg.com/@istanbuljs/schema/-/schema-0.1.3.tgz#e45e384e4b8ec16bce2fd903af78450f6bf7ec98"
@ -5545,10 +5553,10 @@ classnames@2.2.5:
  resolved "https://registry.yarnpkg.com/classnames/-/classnames-2.2.5.tgz#fb3801d453467649ef3603c7d61a02bd129bde6d"
  integrity sha1-+zgB1FNGdknvNgPH1hoCvRKb3m0=

-classnames@^2.2.5:
-  version "2.2.6"
-  resolved "https://registry.yarnpkg.com/classnames/-/classnames-2.2.6.tgz#43935bffdd291f326dad0a205309b38d00f650ce"
-  integrity sha512-JR/iSQOSt+LQIWwrwEzJ9uk0xfN3mTVYMwt1Ir5mUcSN6pU+V4zQFFaJsclJbPuAUQH+yfWef6tm7l1quW3C8Q==
+classnames@^2.2.5, classnames@^2.2.6:
+  version "2.3.1"
+  resolved "https://registry.yarnpkg.com/classnames/-/classnames-2.3.1.tgz#dfcfa3891e306ec1dad105d0e88f4417b8535e8e"
+  integrity sha512-OlQdbZ7gLfGarSqxesMesDa5uz7KFbID8Kpq/SxIoNGDqY8lSYs0D+hhtBXhcdB3rcbXArFr7vlHheLk1voeNA==

 clean-css@^4.2.3:
  version "4.2.3"