jiti-meet/react/features/full-screen/middleware.js

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/* @flow */
import { StatusBar } from 'react-native';
import { Immersive } from 'react-native-immersive';
import { APP_STATE_CHANGED } from '../background';
import {
CONFERENCE_FAILED,
CONFERENCE_LEFT,
CONFERENCE_WILL_JOIN
} from '../base/conference';
import { Platform } from '../base/react';
import { MiddlewareRegistry } from '../base/redux';
/**
* Middleware that captures conference actions and activates or deactivates the
* full screen mode. On iOS it hides the status bar, and on Android it uses the
* immersive mode:
* https://developer.android.com/training/system-ui/immersive.html
* In immersive mode the status and navigation bars are hidden and thus the
* entire screen will be covered by our application.
*
* @param {Store} store - Redux store.
* @returns {Function}
*/
MiddlewareRegistry.register(store => next => action => {
let fullScreen = null;
switch (action.type) {
case APP_STATE_CHANGED: {
// Check if we just came back from the background and reenable full
// screen mode if necessary.
if (action.appState === 'active') {
const conference = store.getState()['features/base/conference'];
fullScreen = conference ? !conference.audioOnly : false;
}
break;
}
case CONFERENCE_WILL_JOIN: {
const conference = store.getState()['features/base/conference'];
fullScreen = !conference.audioOnly;
break;
}
case CONFERENCE_FAILED:
case CONFERENCE_LEFT:
fullScreen = false;
break;
}
if (fullScreen !== null) {
_setFullScreen(fullScreen)
.catch(err =>
console.warn(`Failed to set full screen mode: ${err}`));
}
return next(action);
});
/**
* Activates/deactivates the full screen mode. On iOS it will hide the status
* bar, and on Android it will turn immersive mode on.
*
* @param {boolean} fullScreen - True to set full screen mode, false to
* deactivate it.
* @private
* @returns {Promise}
*/
function _setFullScreen(fullScreen: boolean) {
// XXX The React Native module Immersive is only implemented on Android and
// throws on other platforms.
if (Platform.OS === 'android') {
return fullScreen ? Immersive.on() : Immersive.off();
}
// On platforms other than Android go with whatever React Native itself
// supports.
StatusBar.setHidden(fullScreen, 'slide');
return Promise.resolve();
}