signal-desktop/js/notifications.js
2018-04-30 16:53:34 -04:00

143 lines
3.9 KiB
JavaScript

(function() {
'use strict';
window.Whisper = window.Whisper || {};
const { Settings } = window.Signal.Types;
var SETTINGS = {
OFF: 'off',
COUNT: 'count',
NAME: 'name',
MESSAGE: 'message',
};
Whisper.Notifications = new (Backbone.Collection.extend({
initialize: function() {
this.isEnabled = false;
this.on('add', this.update);
this.on('remove', this.onRemove);
},
onClick: function(conversationId) {
var conversation = ConversationController.get(conversationId);
this.trigger('click', conversation);
},
update: function() {
const { isEnabled } = this;
const isFocused = window.isFocused();
const isAudioNotificationEnabled =
storage.get('audio-notification') || false;
const isAudioNotificationSupported = Settings.isAudioNotificationSupported();
const shouldPlayNotificationSound =
isAudioNotificationSupported && isAudioNotificationEnabled;
const numNotifications = this.length;
console.log('Update notifications:', {
isFocused,
isEnabled,
numNotifications,
shouldPlayNotificationSound,
});
if (!isEnabled) {
return;
}
const hasNotifications = numNotifications > 0;
if (!hasNotifications) {
return;
}
const isNotificationOmitted = isFocused;
if (isNotificationOmitted) {
this.clear();
return;
}
var setting = storage.get('notification-setting') || 'message';
if (setting === SETTINGS.OFF) {
return;
}
window.drawAttention();
var title;
var message;
var iconUrl;
// NOTE: i18n has more complex rules for pluralization than just
// distinguishing between zero (0) and other (non-zero),
// e.g. Russian:
// http://docs.translatehouse.org/projects/localization-guide/en/latest/l10n/pluralforms.html
var newMessageCount = [
numNotifications,
numNotifications === 1 ? i18n('newMessage') : i18n('newMessages'),
].join(' ');
var last = this.last();
switch (this.getSetting()) {
case SETTINGS.COUNT:
title = 'Signal';
message = newMessageCount;
break;
case SETTINGS.NAME:
title = newMessageCount;
message = 'Most recent from ' + last.get('title');
iconUrl = last.get('iconUrl');
break;
case SETTINGS.MESSAGE:
if (numNotifications === 1) {
title = last.get('title');
} else {
title = newMessageCount;
}
message = last.get('message');
iconUrl = last.get('iconUrl');
break;
}
if (window.config.polyfillNotifications) {
window.nodeNotifier.notify({
title: title,
message: message,
sound: false,
});
window.nodeNotifier.on('click', function(notifierObject, options) {
last.get('conversationId');
});
} else {
var notification = new Notification(title, {
body: message,
icon: iconUrl,
tag: 'signal',
silent: !shouldPlayNotificationSound,
});
notification.onclick = this.onClick.bind(
this,
last.get('conversationId')
);
}
// We don't want to notify the user about these same messages again
this.clear();
},
getSetting: function() {
return storage.get('notification-setting') || SETTINGS.MESSAGE;
},
onRemove: function() {
console.log('remove notification');
},
clear: function() {
console.log('remove all notifications');
this.reset([]);
},
enable: function() {
const needUpdate = !this.isEnabled;
this.isEnabled = true;
if (needUpdate) {
this.update();
}
},
disable: function() {
this.isEnabled = false;
},
}))();
})();