113 lines
2.5 KiB
JavaScript
113 lines
2.5 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 { ToolbarButton } from '../../../toolbox';
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import { enterPictureInPicture } from '../actions';
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/**
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* The type of {@link EnterPictureInPictureToobarButton}'s React
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* {@code Component} props.
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*/
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type Props = {
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/**
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* Enters (or rather initiates entering) picture-in-picture.
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*
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* @protected
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*/
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_onEnterPictureInPicture: Function,
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/**
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* The indicator which determines whether Picture-in-Picture is enabled.
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*
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* @protected
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*/
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_pictureInPictureEnabled: boolean
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};
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/**
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* Implements a {@link ToolbarButton} to enter Picture-in-Picture.
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*/
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class EnterPictureInPictureToolbarButton extends Component<Props> {
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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 {
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_onEnterPictureInPicture,
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_pictureInPictureEnabled,
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...props
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} = this.props;
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if (!_pictureInPictureEnabled) {
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return null;
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}
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return (
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<ToolbarButton
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iconName = { 'menu-down' }
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onClick = { _onEnterPictureInPicture }
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{ ...props } />
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);
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}
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}
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/**
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* Maps redux actions to {@link EnterPictureInPictureToolbarButton}'s React
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* {@code Component} props.
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*
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* @param {Function} dispatch - The redux action {@code dispatch} function.
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* @returns {{
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* }}
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* @private
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*/
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function _mapDispatchToProps(dispatch) {
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return {
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/**
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* Requests Picture-in-Picture mode.
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*
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* @private
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* @returns {void}
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* @type {Function}
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*/
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_onEnterPictureInPicture() {
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dispatch(enterPictureInPicture());
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}
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};
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}
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/**
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* Maps (parts of) the redux state to
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* {@link EnterPictureInPictureToolbarButton}'s React {@code Component} props.
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*
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* @param {Object} state - The redux store/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 { app } = state['features/app'];
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return {
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/**
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* The indicator which determines whether Picture-in-Picture is enabled.
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*
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* @protected
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* @type {boolean}
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*/
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_pictureInPictureEnabled:
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Boolean(app && app.props.pictureInPictureEnabled)
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};
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}
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export default connect(_mapStateToProps, _mapDispatchToProps)(
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EnterPictureInPictureToolbarButton);
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