82 lines
2.2 KiB
JavaScript
82 lines
2.2 KiB
JavaScript
import { setVideoMuted } from '../base/media';
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import {
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_SET_APP_STATE_LISTENER,
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_SET_BACKGROUND_VIDEO_MUTED,
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APP_STATE_CHANGED
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} from './actionTypes';
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/**
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* Signals that the App state has changed (in terms of execution state). The
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* application can be in 3 states: 'active', 'inactive' and 'background'.
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*
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* @param {string} appState - The new App state.
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* @public
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* @returns {{
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* type: APP_STATE_CHANGED,
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* appState: string
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* }}
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* @see {@link https://facebook.github.io/react-native/docs/appstate.html}
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*/
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export function appStateChanged(appState: string) {
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return {
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type: APP_STATE_CHANGED,
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appState
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};
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}
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/**
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* Sets the listener to be used with React Native's AppState API.
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*
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* @param {Function} listener - Function to be set as the change event listener.
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* @protected
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* @returns {{
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* type: _SET_APP_STATE_LISTENER,
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* listener: Function
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* }}
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*/
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export function _setAppStateListener(listener: ?Function) {
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return {
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type: _SET_APP_STATE_LISTENER,
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listener
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};
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}
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/**
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* Signals that the app should mute video because it's now running in the
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* background, or unmute it because it came back from the background. If video
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* was already muted nothing will happen; otherwise, it will be muted. When
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* coming back from the background the previous state will be restored.
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*
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* @param {boolean} muted - True if video should be muted; false, otherwise.
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* @protected
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* @returns {Function}
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*/
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export function _setBackgroundVideoMuted(muted: boolean) {
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return (dispatch, getState) => {
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if (muted) {
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const mediaState = getState()['features/base/media'];
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if (mediaState.video.muted) {
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// Video is already muted, do nothing.
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return;
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}
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} else {
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const bgState = getState()['features/background'];
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if (!bgState.videoMuted) {
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// We didn't mute video, do nothing.
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return;
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}
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}
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// Remember that video was muted due to the app going to the background
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// vs user's choice.
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dispatch({
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type: _SET_BACKGROUND_VIDEO_MUTED,
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muted
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});
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dispatch(setVideoMuted(muted));
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};
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}
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