// @flow import React from 'react'; import { translate } from '../../../base/i18n'; import { IconChat } from '../../../base/icons'; import { connect } from '../../../base/redux'; import { AbstractButton, type AbstractButtonProps } from '../../../base/toolbox/components'; import ChatCounter from './ChatCounter'; /** * The type of the React {@code Component} props of {@link ChatButton}. */ type Props = AbstractButtonProps & { /** * Whether or not the chat feature is currently displayed. */ _chatOpen: boolean, }; /** * Implementation of a button for accessing chat pane. */ class ChatButton extends AbstractButton { accessibilityLabel = 'toolbar.accessibilityLabel.chat'; icon = IconChat; label = 'toolbar.openChat'; toggledLabel = 'toolbar.closeChat'; /** * Retrieves tooltip dynamically. */ get tooltip() { if (this._isToggled()) { return 'toolbar.closeChat'; } return 'toolbar.openChat'; } /** * Required by linter due to AbstractButton overwritten prop being writable. * * @param {string} _value - The value. */ set tooltip(_value) { // Unused. } /** * Indicates whether this button is in toggled state or not. * * @override * @protected * @returns {boolean} */ _isToggled() { return this.props._chatOpen; } /** * Overrides AbstractButton's {@link Component#render()}. * * @override * @protected * @returns {boReact$Nodeolean} */ render(): React$Node { return (
{super.render()}
); } } /** * Function that maps parts of Redux state tree into component props. * * @param {Object} state - Redux state. * @returns {Object} */ const mapStateToProps = state => { return { _chatOpen: state['features/chat'].isOpen }; }; export default translate(connect(mapStateToProps)(ChatButton));