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

react/features/audio-translation/components/web/AudioTranslationButton.tsx

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+import { connect } from 'react-redux';
+
+import { IReduxState } from '../../../app/types';
+import { openDialog } from '../../../base/dialog/actions';
+import { translate } from '../../../base/i18n/functions';
+import { IconTranslate } from '../../../base/icons/svg';
+import AbstractButton, { IProps as AbstractButtonProps } from '../../../base/toolbox/components/AbstractButton';
+
+import AudioTranslationDialog from './AudioTranslationDialog';
+
+interface IProps extends AbstractButtonProps {
+
+    /**
+     * The target language remote audio is currently translated into, or null.
+     */
+    _language: string | null;
+}
+
+/**
+ * A toolbar button that opens the AI audio-translation language selector.
+ */
+class AudioTranslationButton extends AbstractButton<IProps> {
+    override accessibilityLabel = 'toolbar.accessibilityLabel.audioTranslation';
+    override icon = IconTranslate;
+    override label = 'toolbar.audioTranslation';
+    override tooltip = 'toolbar.audioTranslation';
+
+    /**
+     * Handles clicking the button by opening the language selector dialog.
+     *
+     * @override
+     * @returns {void}
+     */
+    override _handleClick() {
+        this.props.dispatch(openDialog('AudioTranslationDialog', AudioTranslationDialog));
+    }
+
+    /**
+     * Indicates whether this button is in the toggled (translation-on) state.
+     *
+     * @override
+     * @returns {boolean}
+     */
+    override _isToggled() {
+        return Boolean(this.props._language);
+    }
+}
+
+/**
+ * Maps (parts of) the redux state to the button's props.
+ *
+ * @param {IReduxState} state - The redux state.
+ * @returns {Object}
+ */
+function _mapStateToProps(state: IReduxState) {
+    return {
+        _language: state['features/audio-translation'].language
+    };
+}
+
+export default translate(connect(_mapStateToProps)(AudioTranslationButton));

react/features/audio-translation/components/web/AudioTranslationDialog.tsx

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+import React, { useCallback } from 'react';
+import { useDispatch, useSelector } from 'react-redux';
+import { makeStyles } from 'tss-react/mui';
+
+import { IReduxState } from '../../../app/types';
+import { hideDialog } from '../../../base/dialog/actions';
+import { translate } from '../../../base/i18n/functions';
+import Dialog from '../../../base/ui/components/web/Dialog';
+import { setAudioTranslationLanguage, setParticipantAudioTranslationLanguage } from '../../actions';
+import { SUPPORTED_TRANSLATION_LANGUAGES } from '../../constants';
+
+import AudioTranslationLanguageItem from './AudioTranslationLanguageItem';
+
+interface IProps {
+
+    /**
+     * When set, the dialog targets this single participant (overriding the default); otherwise it sets the
+     * default language for every speaker.
+     */
+    participantId?: string;
+
+    /**
+     * Invoked to obtain translated strings.
+     */
+    t: (key: string) => string;
+}
+
+const useStyles = makeStyles()(() => {
+    return {
+        list: {
+            display: 'flex',
+            flexDirection: 'column'
+        }
+    };
+});
+
+/**
+ * A dialog for selecting the AI audio-translation target language (or off).
+ *
+ * @param {IProps} props - The component's props.
+ * @returns {ReactElement}
+ */
+const AudioTranslationDialog = ({ participantId, t }: IProps) => {
+    const dispatch = useDispatch();
+    const { classes: styles } = useStyles();
+    const defaultLanguage = useSelector((state: IReduxState) => state['features/audio-translation'].language);
+    const participantLanguages
+        = useSelector((state: IReduxState) => state['features/audio-translation'].participantLanguages);
+
+    // Highlight the effective language for the target: the per-participant override if one is set, else the
+    // default. (For the conference-wide dialog there is no participantId, so this is just the default.)
+    const language = participantId && participantId in participantLanguages
+        ? participantLanguages[participantId]
+        : defaultLanguage;
+
+    const onSelect = useCallback((code: string | null) => {
+        if (participantId) {
+            dispatch(setParticipantAudioTranslationLanguage(participantId, code));
+        } else {
+            dispatch(setAudioTranslationLanguage(code));
+        }
+        dispatch(hideDialog());
+    }, [ dispatch, participantId ]);
+
+    return (
+        <Dialog
+            cancel = {{ hidden: true }}
+            ok = {{ hidden: true }}
+            titleKey = 'toolbar.audioTranslation'>
+            <div className = { styles.list }>
+                <AudioTranslationLanguageItem
+                    code = { null }
+                    label = { t('toolbar.audioTranslationOff') }
+                    onSelect = { onSelect }
+                    selected = { !language } />
+                { SUPPORTED_TRANSLATION_LANGUAGES.map(({ code, label }) => (
+                    <AudioTranslationLanguageItem
+                        code = { code }
+                        key = { code }
+                        label = { label }
+                        onSelect = { onSelect }
+                        selected = { language === code } />
+                )) }
+            </div>
+        </Dialog>
+    );
+};
+
+export default translate(AudioTranslationDialog);

react/features/audio-translation/components/web/AudioTranslationLanguageItem.tsx

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+import React, { useCallback } from 'react';
+import { makeStyles } from 'tss-react/mui';
+
+interface IProps {
+
+    /**
+     * The target language code, or null for the "off" option.
+     */
+    code: string | null;
+
+    /**
+     * The label to display.
+     */
+    label: string;
+
+    /**
+     * Called with this item's code when it is selected.
+     */
+    onSelect: (code: string | null) => void;
+
+    /**
+     * Whether this item is the currently-selected option.
+     */
+    selected: boolean;
+}
+
+const useStyles = makeStyles()(theme => {
+    return {
+        item: {
+            display: 'flex',
+            alignItems: 'center',
+            padding: '12px 16px',
+            cursor: 'pointer',
+            border: 'none',
+            background: 'none',
+            textAlign: 'left',
+            fontSize: '0.875rem',
+            color: theme.palette.text01,
+            borderRadius: `${theme.shape.borderRadius}px`,
+            '&:hover': {
+                backgroundColor: theme.palette.ui02
+            }
+        },
+        selected: {
+            fontWeight: 700,
+            color: theme.palette.link01
+        }
+    };
+});
+
+/**
+ * A single selectable language row in the audio-translation dialog.
+ *
+ * @param {IProps} props - The component's props.
+ * @returns {ReactElement}
+ */
+const AudioTranslationLanguageItem = ({ code, label, onSelect, selected }: IProps) => {
+    const { classes: styles, cx } = useStyles();
+    const onClick = useCallback(() => onSelect(code), [ code, onSelect ]);
+
+    return (
+        <button
+            className = { cx(styles.item, selected && styles.selected) }
+            onClick = { onClick }
+            type = 'button'>
+            { label }
+        </button>
+    );
+};
+
+export default AudioTranslationLanguageItem;

react/features/audio-translation/components/web/TranslationLabel.tsx

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+import React from 'react';
+import { useTranslation } from 'react-i18next';
+import { useSelector } from 'react-redux';
+import { makeStyles } from 'tss-react/mui';
+
+import { IconTranslate } from '../../../base/icons/svg';
+import Label from '../../../base/label/components/web/Label';
+import Tooltip from '../../../base/tooltip/components/Tooltip';
+import { isAudioTranslationActiveInMeeting } from '../../functions';
+
+const useStyles = makeStyles()(theme => {
+    return {
+        translation: {
+            background: theme.palette.action01
+        }
+    };
+});
+
+/**
+ * Conference-header label shown while audio translation is active in the meeting.
+ *
+ * @returns {ReactElement|null}
+ */
+const TranslationLabel = () => {
+    const { classes: styles } = useStyles();
+    const { t } = useTranslation();
+    const active = useSelector(isAudioTranslationActiveInMeeting);
+
+    if (!active) {
+        return null;
+    }
+
+    const content = t('audioTranslation.labelTooltip');
+
+    return (
+        <Tooltip
+            content = { content }
+            position = { 'bottom' }>
+            <Label
+                accessibilityText = { content }
+                className = { styles.translation }
+                icon = { IconTranslate } />
+        </Tooltip>
+    );
+};
+
+export default TranslationLabel;