131 lines
3.4 KiB
JavaScript
131 lines
3.4 KiB
JavaScript
// @flow
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import React from 'react';
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import {
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findNodeHandle,
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NativeModules,
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requireNativeComponent,
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View
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} from 'react-native';
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import { connect } from 'react-redux';
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import { openDialog } from '../../../base/dialog';
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import { translate } from '../../../base/i18n';
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import { AbstractButton } from '../../../base/toolbox';
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import type { AbstractButtonProps } from '../../../base/toolbox';
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import AudioRoutePickerDialog from './AudioRoutePickerDialog';
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/**
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* The {@code MPVolumeView} React {@code Component}. It will only be available
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* on iOS.
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*/
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const MPVolumeView
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= NativeModules.MPVolumeViewManager
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&& requireNativeComponent('MPVolumeView');
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/**
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* The style required to hide the {@code MPVolumeView}, since it's displayed
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* programmatically.
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*/
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const HIDE_VIEW_STYLE = { display: 'none' };
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type Props = AbstractButtonProps & {
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/**
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* The redux {@code dispatch} function used to open/show the
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* {@code AudioRoutePickerDialog}.
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*/
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dispatch: Function
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};
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/**
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* A toolbar button which triggers an audio route picker when pressed.
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*/
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class AudioRouteButton extends AbstractButton<Props, *> {
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accessibilityLabel = 'toolbar.accessibilityLabel.audioRoute';
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iconName = 'icon-volume';
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label = 'toolbar.audioRoute';
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_volumeComponent: ?Object;
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/**
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* Initializes a new {@code AudioRouteButton} instance.
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*
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* @param {Props} props - The React {@code Component} props to initialize
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* the new {@code AudioRouteButton} instance with.
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*/
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constructor(props: Props) {
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super(props);
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/**
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* The internal reference to the React {@code MPVolumeView} for
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* showing the volume control view.
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*
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* @private
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* @type {ReactElement}
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*/
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this._volumeComponent = null;
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// Bind event handlers so they are only bound once per instance.
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this._setVolumeComponent = this._setVolumeComponent.bind(this);
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}
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/**
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* Handles clicking / pressing the button, and opens the appropriate dialog.
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*
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* @private
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* @returns {void}
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*/
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_handleClick() {
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if (MPVolumeView) {
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NativeModules.MPVolumeViewManager.show(
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findNodeHandle(this._volumeComponent));
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} else if (AudioRoutePickerDialog) {
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this.props.dispatch(openDialog(AudioRoutePickerDialog));
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}
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}
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_setVolumeComponent: (?Object) => void;
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/**
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* Sets the internal reference to the React Component wrapping the
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* {@code MPVolumeView} component.
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*
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* @param {ReactElement} component - React Component.
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* @private
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* @returns {void}
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*/
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_setVolumeComponent(component) {
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this._volumeComponent = component;
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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 {React$Node}
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*/
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render() {
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if (!MPVolumeView && !AudioRoutePickerDialog) {
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return null;
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}
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const element = super.render();
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return (
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<View>
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{ element }
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{
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MPVolumeView
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&& <MPVolumeView
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ref = { this._setVolumeComponent }
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style = { HIDE_VIEW_STYLE } />
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}
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</View>
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);
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}
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}
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export default translate(connect()(AudioRouteButton));
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