116 lines
2.8 KiB
JavaScript
116 lines
2.8 KiB
JavaScript
// @flow
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import React, { Component } from 'react';
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import { connect } from 'react-redux';
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import { translate } from '../../base/i18n/index';
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import { ToolbarButton } from '../../toolbox/';
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import { toggleRequestingSubtitles } from '../actions';
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import { createToolbarEvent, sendAnalytics } from '../../analytics';
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/**
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* The type of the React {@code Component} props of {@link TranscribingLabel}.
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*/
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type Props = {
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/**
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* Invoked to obtain translated strings.
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*/
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t: Function,
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/**
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* Invoked to Dispatch an Action to the redux store.
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*/
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dispatch: Function,
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/**
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* Whether the local participant is currently requesting subtitles.
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*/
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_requestingSubtitles: Boolean
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};
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/**
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* React Component for displaying a label when a transcriber is in the
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* conference.
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*
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* @extends Component
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*/
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class ClosedCaptionButton extends Component<Props> {
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/**
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* Initializes a new {@code ClosedCaptionButton} instance.
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*
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* @param {Props} props - The read-only properties with which the new
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* instance is to be initialized.
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*/
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constructor(props: Props) {
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super(props);
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// Bind event handler so it is only bound once for every instance.
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this._onToggleButton = this._onToggleButton.bind(this);
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}
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/**
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* Implements React's {@link Component#render()}.
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*
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* @inheritdoc
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* @returns {ReactElement}
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*/
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render() {
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const { _requestingSubtitles, t } = this.props;
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const iconClass = `icon-closed_caption ${_requestingSubtitles
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? 'toggled' : ''}`;
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return (
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<ToolbarButton
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accessibilityLabel
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= { t('toolbar.accessibilityLabel.cc') }
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iconName = { iconClass }
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onClick = { this._onToggleButton }
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tooltip = { t('transcribing.ccButtonTooltip') } />
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);
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}
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_onToggleButton: () => void;
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/**
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* Dispatch actions for starting or stopping transcription, based on
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* current state.
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*
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* @private
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* @returns {void}
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*/
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_onToggleButton() {
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const { _requestingSubtitles, dispatch } = this.props;
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sendAnalytics(createToolbarEvent('transcribing.ccButton',
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{
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'requesting_subtitles': Boolean(_requestingSubtitles)
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}));
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dispatch(toggleRequestingSubtitles());
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}
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}
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/**
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* Maps (parts of) the Redux state to the associated props for the
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* {@code ClosedCaptionButton} component.
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*
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* @param {Object} state - The Redux state.
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* @private
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* @returns {{
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* }}
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*/
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function _mapStateToProps(state) {
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const { _requestingSubtitles } = state['features/subtitles'];
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return {
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_requestingSubtitles
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};
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}
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export default translate(connect(_mapStateToProps)(ClosedCaptionButton));
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