snapshot of https://github.com/jitsi/jitsi-meet.git @ fd1749dd28f4138aa80234fc7f311b19aaffa0e7 (2026-09-15)

react/features/toolbox/components/native/LowBandwidthModeButton.ts

@@ -0,0 +1,96 @@
+import { connect } from 'react-redux';
+
+import { IReduxState } from '../../../app/types';
+import { LOW_BANDWIDTH_MODE_BUTTON_ENABLED } from '../../../base/flags/constants';
+import { getFeatureFlag } from '../../../base/flags/functions';
+import { translate } from '../../../base/i18n/functions';
+import { IconLowBandwidthMode, IconLowBandwidthModeOff } from '../../../base/icons/svg';
+import { setLowBandwidthMode, toggleLowBandwidthMode } from '../../../base/low-bandwidth-mode/actions';
+import AbstractButton, { IProps as AbstractButtonProps } from '../../../base/toolbox/components/AbstractButton';
+import {
+    navigate
+} from '../../../mobile/navigation/components/conference/ConferenceNavigationContainerRef';
+import { screen } from '../../../mobile/navigation/routes';
+
+/**
+ * The type of the React {@code Component} props of {@link LowBandwidthModeButton}.
+ */
+interface IProps extends AbstractButtonProps {
+
+    /**
+     * Whether the current conference is in audio only mode or not.
+     */
+    _lowBandwidthMode: boolean;
+
+    /**
+     * Indicates whether the car mode is enabled.
+     */
+    _startCarMode?: boolean;
+}
+
+/**
+ * An implementation of a button for toggling the audio-only mode.
+ */
+class LowBandwidthModeButton extends AbstractButton<IProps> {
+    override accessibilityLabel = 'toolbar.accessibilityLabel.lowBandwidthMode';
+    override icon = IconLowBandwidthMode;
+    override label = 'toolbar.lowBandwidthModeOn';
+    override toggledIcon = IconLowBandwidthModeOff;
+    override toggledLabel = 'toolbar.lowBandwidthModeOff';
+
+    /**
+     * Handles clicking / pressing the button.
+     *
+     * @override
+     * @protected
+     * @returns {void}
+     */
+    override _handleClick() {
+        const { _lowBandwidthMode, _startCarMode, dispatch } = this.props;
+
+        if (!_lowBandwidthMode && _startCarMode) {
+            dispatch(setLowBandwidthMode(true));
+            navigate(screen.conference.carmode);
+        } else {
+            dispatch(toggleLowBandwidthMode());
+        }
+    }
+
+
+    /**
+     * Indicates whether this button is in toggled state or not.
+     *
+     * @override
+     * @protected
+     * @returns {boolean}
+     */
+    override _isToggled() {
+        return this.props._lowBandwidthMode;
+    }
+}
+
+/**
+ * Maps (parts of) the redux state to the associated props for the
+ * {@code LowBandwidthModeButton} component.
+ *
+ * @param {Object} state - The Redux state.
+ * @param {Object} ownProps - The properties explicitly passed to the component instance.
+ * @private
+ * @returns {{
+ *     _lowBandwidthMode: boolean
+ * }}
+ */
+function _mapStateToProps(state: IReduxState, ownProps: any) {
+    const { enabled: audioOnly } = state['features/base/low-bandwidth-mode'];
+    const enabledInFeatureFlags = getFeatureFlag(state, LOW_BANDWIDTH_MODE_BUTTON_ENABLED, true);
+    const { startCarMode } = state['features/base/settings'];
+    const { visible = enabledInFeatureFlags } = ownProps;
+
+    return {
+        _lowBandwidthMode: Boolean(audioOnly),
+        _startCarMode: startCarMode,
+        visible
+    };
+}
+
+export default translate(connect(_mapStateToProps)(LowBandwidthModeButton));