jiti-meet/react/features/mobile/permissions/middleware.js

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/* @flow */
import { Alert, Linking, NativeModules } from 'react-native';
import { isRoomValid } from '../../base/conference';
import { Platform } from '../../base/react';
import { MiddlewareRegistry } from '../../base/redux';
import { TRACK_CREATE_ERROR } from '../../base/tracks';
/**
* Middleware that captures track permission errors and alerts the user so they
* can enable the permission themselves.
*
* @param {Store} store - The redux store.
* @returns {Function}
*/
MiddlewareRegistry.register(store => next => action => {
const result = next(action);
switch (action.type) {
case TRACK_CREATE_ERROR:
// XXX We do not currently have user interface outside of a conference
// which the user may tap and cause a permission-related error. If we
// alert whenever we (intend to) ask for a permission, the scenario of
// entering the WelcomePage, being asked for the camera permission, me
// denying it, and being alerted that there is an error is overwhelming
// me.
if (action.permissionDenied
&& isRoomValid(
store.getState()['features/base/conference'].room)) {
_alertPermissionErrorWithSettings(action.trackType);
}
break;
}
return result;
});
/**
* Shows an alert panel which tells the user they have to manually grant some
* permissions by opening Settings. A button which opens Settings is provided.
*
* @param {string} trackType - Type of track that failed with a permission
* error.
* @private
* @returns {void}
*/
function _alertPermissionErrorWithSettings(trackType) {
// TODO i18n
const deviceType = trackType === 'video' ? 'Camera' : 'Microphone';
/* eslint-disable indent */
const message
= `${deviceType
} permission is required to participate in conferences with ${
trackType}. Please grant it in Settings.`;
/* eslint-ensable indent */
Alert.alert(
'Permission required',
message,
[
{ text: 'Cancel' },
{
onPress: _openSettings,
text: 'Settings'
}
],
{ cancelable: false });
}
/**
* Opens the settings panel for the current platform.
*
* @private
* @returns {void}
*/
function _openSettings() {
switch (Platform.OS) {
case 'android':
NativeModules.AndroidSettings.open();
break;
case 'ios':
Linking.openURL('app-settings:');
break;
}
}