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

react/features/participants-pane/components/web/ParticipantsPaneButton.tsx

@@ -0,0 +1,138 @@
+import React from 'react';
+import { connect } from 'react-redux';
+
+import { IReduxState } from '../../../app/types';
+import { translate } from '../../../base/i18n/functions';
+import { IconUsers } from '../../../base/icons/svg';
+import { getParticipantCountForDisplay } from '../../../base/participants/functions';
+import AbstractButton, { IProps as AbstractButtonProps } from '../../../base/toolbox/components/AbstractButton';
+import {
+    close as closeParticipantsPane,
+    open as openParticipantsPane
+} from '../../../participants-pane/actions.web';
+import { closeOverflowMenuIfOpen } from '../../../toolbox/actions.web';
+import { isParticipantsPaneEnabled } from '../../functions';
+
+import ParticipantsCounter from './ParticipantsCounter';
+
+
+/**
+ * The type of the React {@code Component} props of {@link ParticipantsPaneButton}.
+ */
+interface IProps extends AbstractButtonProps {
+
+    /**
+     * Whether or not the participants pane is open.
+     */
+    _isOpen: boolean;
+
+    /**
+     * Whether participants feature is enabled or not.
+     */
+    _isParticipantsPaneEnabled: boolean;
+
+    /**
+     * Participants count.
+     */
+    _participantsCount: number;
+}
+
+/**
+ * Implementation of a button for accessing participants pane.
+ */
+class ParticipantsPaneButton extends AbstractButton<IProps> {
+    override toggledAccessibilityLabel = 'toolbar.accessibilityLabel.closeParticipantsPane';
+    override icon = IconUsers;
+    override label = 'toolbar.participants';
+    override tooltip = 'toolbar.participants';
+    override toggledTooltip = 'toolbar.closeParticipantsPane';
+
+    /**
+     * Indicates whether this button is in toggled state or not.
+     *
+     * @override
+     * @protected
+     * @returns {boolean}
+     */
+    override _isToggled() {
+        return this.props._isOpen;
+    }
+
+    /**
+    * Handles clicking the button, and toggles the participants pane.
+    *
+    * @private
+    * @returns {void}
+    */
+    override _handleClick() {
+        const { dispatch, _isOpen } = this.props;
+
+        dispatch(closeOverflowMenuIfOpen());
+        if (_isOpen) {
+            dispatch(closeParticipantsPane());
+        } else {
+            dispatch(openParticipantsPane());
+        }
+    }
+
+
+    /**
+     * Override the _getAccessibilityLabel method to incorporate the dynamic participant count.
+     *
+     * @override
+     * @returns {string}
+     */
+    override _getAccessibilityLabel() {
+        const { t, _participantsCount, _isOpen } = this.props;
+
+        if (_isOpen) {
+            return t('toolbar.accessibilityLabel.closeParticipantsPane');
+        }
+
+        return t('toolbar.accessibilityLabel.participants', {
+            participantsCount: _participantsCount
+        });
+
+    }
+
+    /**
+     * Overrides AbstractButton's {@link Component#render()}.
+     *
+     * @override
+     * @protected
+     * @returns {React$Node}
+     */
+    override render() {
+        const { _isParticipantsPaneEnabled } = this.props;
+
+        if (!_isParticipantsPaneEnabled) {
+            return null;
+        }
+
+        return (
+            <div
+                className = 'toolbar-button-with-badge'>
+                { super.render() }
+                <ParticipantsCounter />
+            </div>
+        );
+    }
+}
+
+/**
+ * Maps part of the Redux state to the props of this component.
+ *
+ * @param {Object} state - The Redux state.
+ * @returns {IProps}
+ */
+function mapStateToProps(state: IReduxState) {
+    const { isOpen } = state['features/participants-pane'];
+
+    return {
+        _isOpen: isOpen,
+        _isParticipantsPaneEnabled: isParticipantsPaneEnabled(state),
+        _participantsCount: getParticipantCountForDisplay(state)
+    };
+}
+
+export default translate(connect(mapStateToProps)(ParticipantsPaneButton));