signal-desktop/js/notifications.js
2018-05-02 19:58:33 -04:00

136 lines
3.6 KiB
JavaScript

/* global Backbone: false */
/* global ConversationController: false */
/* global drawAttention: false */
/* global i18n: false */
/* global isFocused: false */
/* global Signal: false */
/* global storage: false */
/* global Whisper: false */
// eslint-disable-next-line func-names
(function() {
'use strict';
window.Whisper = window.Whisper || {};
const { Settings } = Signal.Types;
const SettingNames = {
OFF: 'off',
COUNT: 'count',
NAME: 'name',
MESSAGE: 'message',
};
Whisper.Notifications = new (Backbone.Collection.extend({
initialize() {
this.isEnabled = false;
this.on('add', this.update);
this.on('remove', this.onRemove);
},
onClick(conversationId) {
const conversation = ConversationController.get(conversationId);
this.trigger('click', conversation);
},
update() {
const { isEnabled } = this;
const isAppFocused = isFocused();
const isAudioNotificationEnabled =
storage.get('audio-notification') || false;
const isAudioNotificationSupported = Settings.isAudioNotificationSupported();
const numNotifications = this.length;
const userSetting = this.getUserSetting();
const status = Signal.Notifications.getStatus({
isAppFocused,
isAudioNotificationEnabled,
isAudioNotificationSupported,
isEnabled,
numNotifications,
userSetting,
});
console.log('Update notifications:', status);
if (status.type !== 'ok') {
if (status.shouldClearNotifications) {
this.clear();
}
return;
}
let title;
let message;
let 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
const newMessageCount = [
numNotifications,
numNotifications === 1 ? i18n('newMessage') : i18n('newMessages'),
].join(' ');
const last = this.last();
switch (userSetting) {
case SettingNames.COUNT:
title = 'Signal';
message = newMessageCount;
break;
case SettingNames.NAME:
title = newMessageCount;
message = `Most recent from ${last.get('title')}`;
iconUrl = last.get('iconUrl');
break;
case SettingNames.MESSAGE:
if (numNotifications === 1) {
title = last.get('title');
} else {
title = newMessageCount;
}
message = last.get('message');
iconUrl = last.get('iconUrl');
break;
default:
console.log(`Error: Unknown user setting: '${userSetting}'`);
break;
}
drawAttention();
const notification = new Notification(title, {
body: message,
icon: iconUrl,
tag: 'signal',
silent: !status.shouldPlayNotificationSound,
});
notification.onclick = () => this.onClick(last.get('conversationId'));
// We don't want to notify the user about these same messages again
this.clear();
},
getUserSetting() {
return storage.get('notification-setting') || SettingNames.MESSAGE;
},
onRemove() {
console.log('Remove notification');
},
clear() {
console.log('Remove all notifications');
this.reset([]);
},
enable() {
const needUpdate = !this.isEnabled;
this.isEnabled = true;
if (needUpdate) {
this.update();
}
},
disable() {
this.isEnabled = false;
},
}))();
})();