feat: Add hardware acceleration toggle with restart confirmation (Desktop only) [WPB-22425]

apps/webapp/src/i18n/en-US.json

@@ -1688,6 +1688,12 @@
   "preferencesOptionsEmojiReplaceDetail": ":-) → [icon]",
   "preferencesOptionsEnableAgcCheckbox": "Automatic gain control (AGC)",
   "preferencesOptionsEnableAgcDetails": "Enable to allow your microphone volume to be adjusted automatically to ensure all participants in a call are heard with similar and comfortable loudness.",
+  "preferencesOptionsEnableHardwareAcceleration": "Hardware acceleration",
+  "preferencesOptionsEnableHardwareAccelerationDetails": "This improves stability and video performance while reducing CPU usage. If you change the setting, you need to restart the app.",
+  "preferencesOptionsEnableHardwareAccelerationModalCancel": "Cancel",
+  "preferencesOptionsEnableHardwareAccelerationModalMessage": "To update the hardware acceleration setting, you need to restart the app.",
+  "preferencesOptionsEnableHardwareAccelerationModalOk": "Restart App",
+  "preferencesOptionsEnableHardwareAccelerationModalTitle": "Restart app",
   "preferencesOptionsEnablePressSpaceToUnmute": "Unmute with space bar",
   "preferencesOptionsEnablePressSpaceToUnmuteDetails": "Enable to unmute your microphone by pressing and holding the space bar as long as you want to speak. You can use this option in full view.",
   "preferencesOptionsEnableSoundlessIncomingCalls": "Silence other calls",

apps/webapp/src/script/Config.ts

@@ -119,6 +119,13 @@
 
     return window.desktopAppConfig;
   },
+  getDesktopSettings: () => {
+    if (!Runtime.isDesktopApp()) {
+      return undefined;
+    }
+
+    return window.desktopAppSettings;
+  },
 };
 
 export {Config};

apps/webapp/src/script/page/MainContent/panels/preferences/avPreferences/CallOptions.tsx

@@ -22,9 +22,11 @@ import {ChangeEvent, useCallback, useEffect, useRef, useState} from 'react';
 import type {WebappProperties} from '@wireapp/api-client/lib/user/data/';
 import {amplify} from 'amplify';
 
+import {Runtime} from '@wireapp/commons';
 import {Checkbox, CheckboxLabel} from '@wireapp/react-ui-kit';
 import {WebAppEvents} from '@wireapp/webapp-events';
 
+import {PrimaryModal} from 'Components/Modals/PrimaryModal';
 import type {MediaConstraintsHandler} from 'Repositories/media/MediaConstraintsHandler';
 import type {PropertiesRepository} from 'Repositories/properties/PropertiesRepository';
 import {PROPERTIES_TYPE} from 'Repositories/properties/PropertiesType';
@@ -54,6 +56,18 @@ const CallOptions = ({constraintsHandler, propertiesRepository}: CallOptionsProp
     !!propertiesRepository.properties.settings.call.enable_press_space_to_unmute,
   );
 
+  const desktopSettings = Config.getDesktopSettings();
+
+  const isHardwareAccelerationChangeable = Runtime.isDesktopApp() && !!desktopSettings;
+
+  const [isHardwareAccelerationEnabled, setIsHardwareAccelerationEnabled] = useState<boolean>(() => {
+    if (!isHardwareAccelerationChangeable) {
+      return true; // default in browser (but not changeable)
+    }
+
+    return desktopSettings.isHardwareAccelerationEnabled();
+  });
+
   useEffect(() => {
     const updateProperties = ({settings}: WebappProperties) => {
       setVbrEncoding(!isCbrEncodingEnforced && settings.call.enable_vbr_encoding);
@@ -102,6 +116,33 @@ const CallOptions = ({constraintsHandler, propertiesRepository}: CallOptionsProp
     [propertiesRepository],
   );
 
+  const showHardwareAccelerationRestartModal = () => {
+    PrimaryModal.show(PrimaryModal.type.CONFIRM, {
+      size: 'large',
+      primaryAction: {
+        action: confirmHardwareAccelerationChange,
+        text: t('preferencesOptionsEnableHardwareAccelerationModalOk'),
+      },
+      text: {
+        message: t('preferencesOptionsEnableHardwareAccelerationModalMessage'),
+        title: t('preferencesOptionsEnableHardwareAccelerationModalTitle'),
+      },
+    });
+  };
+
+  const confirmHardwareAccelerationChange = () => {
+    if (!desktopSettings) {
+      return;
+    }
+
+    const currentHwValue = desktopSettings.isHardwareAccelerationEnabled();
+
+    desktopSettings.setHardwareAccelerationEnabled(!currentHwValue);
+    setIsHardwareAccelerationEnabled(!currentHwValue);
+
+    amplify.publish(WebAppEvents.LIFECYCLE.RESTART);
+  };
+
   return (
     <PreferencesSection title={t('preferencesOptionsCall')}>
       <div>
@@ -153,6 +194,25 @@ const CallOptions = ({constraintsHandler, propertiesRepository}: CallOptionsProp
           </p>
         </div>
       )}
+
+      {isHardwareAccelerationChangeable && (
+        <div className="checkbox-margin">
+          <Checkbox
+            onChange={showHardwareAccelerationRestartModal}
+            checked={isHardwareAccelerationEnabled}
+            id="status-preference-hardware-acceleration"
+            data-uie-name="status-preference-hardware-acceleration"
+            aria-label={t('preferencesOptionsEnableHardwareAcceleration')}
+          >
+            <CheckboxLabel htmlFor="status-preference-hardware-acceleration">
+              {t('preferencesOptionsEnableHardwareAcceleration')}
+            </CheckboxLabel>
+          </Checkbox>
+          <p className="preferences-detail preferences-detail-intended">
+            {t('preferencesOptionsEnableHardwareAccelerationDetails')}
+          </p>
+        </div>
+      )}
     </PreferencesSection>
   );
 };

apps/webapp/src/script/page/MainContent/panels/preferences/avPreferences/callOptions.test.tsx

@@ -0,0 +1,227 @@
+/*
+ * Wire
+ * Copyright (C) 2026 Wire Swiss GmbH
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see http://www.gnu.org/licenses/.
+ *
+ */
+
+import {act, fireEvent, render} from '@testing-library/react';
+import {amplify} from 'amplify';
+
+import {Runtime} from '@wireapp/commons';
+import {WebAppEvents} from '@wireapp/webapp-events';
+
+import {PrimaryModal} from 'Components/Modals/PrimaryModal';
+import type {MediaConstraintsHandler} from 'Repositories/media/MediaConstraintsHandler';
+import type {PropertiesRepository} from 'Repositories/properties/PropertiesRepository';
+import {withTheme} from 'src/script/auth/util/test/TestUtil';
+
+import {CallOptions} from './CallOptions';
+
+import {Config} from '../../../../../Config';
+
+jest.mock('Util/localizerUtil', () => ({
+  t: (key: string) => key,
+}));
+
+type DesktopSettingsMock = {
+  isHardwareAccelerationEnabled: jest.Mock;
+  setHardwareAccelerationEnabled: jest.Mock;
+};
+
+type PrimaryModalOptions = Parameters<typeof PrimaryModal.show>[1];
+
+const mockDesktopSettings = (hwEnabled: boolean): DesktopSettingsMock => ({
+  isHardwareAccelerationEnabled: jest.fn().mockReturnValue(hwEnabled),
+  setHardwareAccelerationEnabled: jest.fn(),
+});
+
+const getDefaultProps = () => {
+  const constraintsHandler = {
+    getAgcPreference: jest.fn().mockReturnValue(false),
+    setAgcPreference: jest.fn(),
+  } as unknown as MediaConstraintsHandler;
+
+  const propertiesRepository = {
+    properties: {
+      settings: {
+        call: {
+          enable_vbr_encoding: false,
+          enable_soundless_incoming_calls: false,
+          enable_press_space_to_unmute: false,
+        },
+      },
+    } as PropertiesRepository['properties'],
+    savePreference: jest.fn(),
+  } as unknown as PropertiesRepository;
+
+  return {
+    constraintsHandler,
+    propertiesRepository,
+  };
+};
+
+const setupDesktop = (hwEnabled: boolean): DesktopSettingsMock => {
+  const desktopSettings = mockDesktopSettings(hwEnabled);
+  jest.spyOn(Runtime, 'isDesktopApp').mockReturnValue(true);
+  jest
+    .spyOn(Config, 'getDesktopSettings')
+    .mockReturnValue(desktopSettings as ReturnType<typeof Config.getDesktopSettings>);
+  return desktopSettings;
+};
+
+beforeEach(() => {
+  jest.restoreAllMocks();
+
+  jest.spyOn(Config, 'getConfig').mockReturnValue({
+    FEATURE: {
+      ENFORCE_CONSTANT_BITRATE: false,
+      ENABLE_PRESS_SPACE_TO_UNMUTE: false,
+    },
+  } as ReturnType<typeof Config.getConfig>);
+});
+
+describe('CallOptions — hardware acceleration checkbox', () => {
+  it('is not shown in a browser (non-desktop)', () => {
+    jest.spyOn(Runtime, 'isDesktopApp').mockReturnValue(false);
+    jest.spyOn(Config, 'getDesktopSettings').mockReturnValue(undefined);
+
+    const {queryByTestId} = render(withTheme(<CallOptions {...getDefaultProps()} />));
+
+    expect(queryByTestId('status-preference-hardware-acceleration')).toBeNull();
+  });
+
+  it('is not shown when desktopSettings is null even on desktop', () => {
+    jest.spyOn(Runtime, 'isDesktopApp').mockReturnValue(true);
+    jest.spyOn(Config, 'getDesktopSettings').mockReturnValue(undefined);
+
+    const {queryByTestId} = render(withTheme(<CallOptions {...getDefaultProps()} />));
+
+    expect(queryByTestId('status-preference-hardware-acceleration')).toBeNull();
+  });
+
+  it('is shown and checked when hardware acceleration is enabled', () => {
+    setupDesktop(true);
+
+    const {getByTestId} = render(withTheme(<CallOptions {...getDefaultProps()} />));
+    const checkbox = getByTestId('status-preference-hardware-acceleration') as HTMLInputElement;
+
+    expect(checkbox.checked).toBe(true);
+  });
+
+  it('is shown and unchecked when hardware acceleration is disabled', () => {
+    setupDesktop(false);
+
+    const {getByTestId} = render(withTheme(<CallOptions {...getDefaultProps()} />));
+    const checkbox = getByTestId('status-preference-hardware-acceleration') as HTMLInputElement;
+
+    expect(checkbox.checked).toBe(false);
+  });
+
+  it('opens a confirmation modal when the checkbox is clicked without immediately applying the change', () => {
+    const desktopSettings = setupDesktop(true);
+    const showModalSpy = jest.spyOn(PrimaryModal, 'show').mockImplementation(() => {});
+
+    const {getByTestId} = render(withTheme(<CallOptions {...getDefaultProps()} />));
+    fireEvent.click(getByTestId('status-preference-hardware-acceleration'));
+
+    expect(showModalSpy).toHaveBeenCalledTimes(1);
+    expect(showModalSpy).toHaveBeenCalledWith(
+      PrimaryModal.type.CONFIRM,
+      expect.objectContaining({
+        primaryAction: expect.objectContaining({action: expect.any(Function)}),
+      }),
+    );
+    expect(desktopSettings.setHardwareAccelerationEnabled).not.toHaveBeenCalled();
+  });
+
+  it('does not publish a restart event when the modal is merely opened', () => {
+    setupDesktop(true);
+    jest.spyOn(PrimaryModal, 'show').mockImplementation(() => {});
+    const publishSpy = jest.spyOn(amplify, 'publish');
+
+    const {getByTestId} = render(withTheme(<CallOptions {...getDefaultProps()} />));
+    fireEvent.click(getByTestId('status-preference-hardware-acceleration'));
+
+    expect(publishSpy).not.toHaveBeenCalledWith(WebAppEvents.LIFECYCLE.RESTART);
+  });
+
+  it('disables hardware acceleration and triggers restart when confirmed', () => {
+    const desktopSettings = setupDesktop(true);
+    let capturedAction: (() => void) | undefined;
+
+    jest.spyOn(PrimaryModal, 'show').mockImplementation((_type, options: PrimaryModalOptions) => {
+      const primaryAction = options?.primaryAction;
+      if (primaryAction && 'action' in primaryAction && typeof primaryAction.action === 'function') {
+        capturedAction = primaryAction.action as () => void;
+      }
+    });
+
+    const publishSpy = jest.spyOn(amplify, 'publish');
+
+    const {getByTestId} = render(withTheme(<CallOptions {...getDefaultProps()} />));
+    fireEvent.click(getByTestId('status-preference-hardware-acceleration'));
+
+    expect(capturedAction).toBeDefined();
+    act(() => capturedAction?.());
+
+    expect(desktopSettings.setHardwareAccelerationEnabled).toHaveBeenCalledWith(false);
+    expect(publishSpy).toHaveBeenCalledWith(WebAppEvents.LIFECYCLE.RESTART);
+
+    const checkbox = getByTestId('status-preference-hardware-acceleration') as HTMLInputElement;
+    expect(checkbox.checked).toBe(false);
+  });
+
+  it('enables hardware acceleration and triggers restart when confirmed', () => {
+    const desktopSettings = setupDesktop(false);
+    let capturedAction: (() => void) | undefined;
+
+    jest.spyOn(PrimaryModal, 'show').mockImplementation((_type, options: PrimaryModalOptions) => {
+      const primaryAction = options?.primaryAction;
+      if (primaryAction && 'action' in primaryAction && typeof primaryAction.action === 'function') {
+        capturedAction = primaryAction.action as () => void;
+      }
+    });
+
+    const publishSpy = jest.spyOn(amplify, 'publish');
+
+    const {getByTestId} = render(withTheme(<CallOptions {...getDefaultProps()} />));
+    fireEvent.click(getByTestId('status-preference-hardware-acceleration'));
+
+    expect(capturedAction).toBeDefined();
+    act(() => capturedAction?.());
+
+    expect(desktopSettings.setHardwareAccelerationEnabled).toHaveBeenCalledWith(true);
+    expect(publishSpy).toHaveBeenCalledWith(WebAppEvents.LIFECYCLE.RESTART);
+
+    const checkbox = getByTestId('status-preference-hardware-acceleration') as HTMLInputElement;
+    expect(checkbox.checked).toBe(true);
+  });
+
+  it('makes no changes when the confirmation modal is dismissed', () => {
+    const desktopSettings = setupDesktop(true);
+    jest.spyOn(PrimaryModal, 'show').mockImplementation(() => {});
+    const publishSpy = jest.spyOn(amplify, 'publish');
+
+    const {getByTestId} = render(withTheme(<CallOptions {...getDefaultProps()} />));
+    fireEvent.click(getByTestId('status-preference-hardware-acceleration'));
+
+    expect(desktopSettings.setHardwareAccelerationEnabled).not.toHaveBeenCalled();
+    expect(publishSpy).not.toHaveBeenCalledWith(WebAppEvents.LIFECYCLE.RESTART);
+
+    const checkbox = getByTestId('status-preference-hardware-acceleration') as HTMLInputElement;
+    expect(checkbox.checked).toBe(true);
+  });
+});

apps/webapp/src/script/repositories/conversation/linkPreviews/index.ts

@@ -52,6 +52,10 @@ declare global {
   interface Window {
     openGraphAsync?: (url: string) => Promise<OpenGraphResult>;
     desktopAppConfig?: {version: string; supportsCallingPopoutWindow?: boolean};
+    desktopAppSettings?: {
+      setHardwareAccelerationEnabled: (enabled: boolean) => void;
+      isHardwareAccelerationEnabled: () => boolean;
+    };
   }
 }
 const logger = getLogger('LinkPreviewRepository');

apps/webapp/src/types/i18n.d.ts

@@ -1692,6 +1692,12 @@ declare module 'I18n/en-US.json' {
     'preferencesOptionsEmojiReplaceDetail': `:-) → [icon]`;
     'preferencesOptionsEnableAgcCheckbox': `Automatic gain control (AGC)`;
     'preferencesOptionsEnableAgcDetails': `Enable to allow your microphone volume to be adjusted automatically to ensure all participants in a call are heard with similar and comfortable loudness.`;
+    'preferencesOptionsEnableHardwareAcceleration': `Hardware acceleration`;
+    'preferencesOptionsEnableHardwareAccelerationDetails': `This improves stability and video performance while reducing CPU usage. If you change the setting, you need to restart the app.`;
+    'preferencesOptionsEnableHardwareAccelerationModalCancel': `Cancel`;
+    'preferencesOptionsEnableHardwareAccelerationModalMessage': `To update the hardware acceleration setting, you need to restart the app.`;
+    'preferencesOptionsEnableHardwareAccelerationModalOk': `Restart App`;
+    'preferencesOptionsEnableHardwareAccelerationModalTitle': `Restart app`;
     'preferencesOptionsEnablePressSpaceToUnmute': `Unmute with space bar`;
     'preferencesOptionsEnablePressSpaceToUnmuteDetails': `Enable to unmute your microphone by pressing and holding the space bar as long as you want to speak. You can use this option in full view.`;
     'preferencesOptionsEnableSoundlessIncomingCalls': `Silence other calls`;