mirror of
https://github.com/element-hq/element-web
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307 lines
11 KiB
JavaScript
307 lines
11 KiB
JavaScript
/*
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Copyright 2015, 2016 OpenMarket Ltd
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Copyright 2017 Vector Creations Ltd
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Copyright 2017 New Vector Ltd
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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import MatrixClientPeg from './MatrixClientPeg';
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import PlatformPeg from './PlatformPeg';
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import TextForEvent from './TextForEvent';
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import Analytics from './Analytics';
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import Avatar from './Avatar';
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import dis from './dispatcher';
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import sdk from './index';
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import { _t } from './languageHandler';
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import Modal from './Modal';
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import SettingsStore, {SettingLevel} from "./settings/SettingsStore";
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/*
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* Dispatches:
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* {
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* action: "notifier_enabled",
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* value: boolean
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* }
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*/
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const MAX_PENDING_ENCRYPTED = 20;
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const Notifier = {
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notifsByRoom: {},
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// A list of event IDs that we've received but need to wait until
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// they're decrypted until we decide whether to notify for them
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// or not
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pendingEncryptedEventIds: [],
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notificationMessageForEvent: function(ev) {
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return TextForEvent.textForEvent(ev);
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},
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_displayPopupNotification: function(ev, room) {
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const plaf = PlatformPeg.get();
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if (!plaf) {
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return;
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}
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if (!plaf.supportsNotifications() || !plaf.maySendNotifications()) {
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return;
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}
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if (global.document.hasFocus()) {
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return;
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}
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let msg = this.notificationMessageForEvent(ev);
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if (!msg) return;
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let title;
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if (!ev.sender || room.name === ev.sender.name) {
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title = room.name;
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// notificationMessageForEvent includes sender,
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// but we already have the sender here
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if (ev.getContent().body) msg = ev.getContent().body;
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} else if (ev.getType() === 'm.room.member') {
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// context is all in the message here, we don't need
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// to display sender info
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title = room.name;
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} else if (ev.sender) {
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title = ev.sender.name + " (" + room.name + ")";
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// notificationMessageForEvent includes sender,
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// but we've just out sender in the title
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if (ev.getContent().body) msg = ev.getContent().body;
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}
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if (!this.isBodyEnabled()) {
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msg = '';
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}
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const avatarUrl = ev.sender ? Avatar.avatarUrlForMember(ev.sender, 40, 40, 'crop') : null;
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const notif = plaf.displayNotification(title, msg, avatarUrl, room);
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// if displayNotification returns non-null, the platform supports
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// clearing notifications later, so keep track of this.
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if (notif) {
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if (this.notifsByRoom[ev.getRoomId()] === undefined) this.notifsByRoom[ev.getRoomId()] = [];
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this.notifsByRoom[ev.getRoomId()].push(notif);
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}
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},
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_playAudioNotification: function(ev, room) {
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const e = document.getElementById("messageAudio");
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if (e) {
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e.play();
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}
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},
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start: function() {
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this.boundOnEvent = this.onEvent.bind(this);
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this.boundOnSyncStateChange = this.onSyncStateChange.bind(this);
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this.boundOnRoomReceipt = this.onRoomReceipt.bind(this);
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this.boundOnEventDecrypted = this.onEventDecrypted.bind(this);
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MatrixClientPeg.get().on('event', this.boundOnEvent);
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MatrixClientPeg.get().on('Room.receipt', this.boundOnRoomReceipt);
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MatrixClientPeg.get().on('Event.decrypted', this.boundOnEventDecrypted);
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MatrixClientPeg.get().on("sync", this.boundOnSyncStateChange);
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this.toolbarHidden = false;
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this.isSyncing = false;
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},
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stop: function() {
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if (MatrixClientPeg.get() && this.boundOnRoomTimeline) {
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MatrixClientPeg.get().removeListener('Event', this.boundOnEvent);
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MatrixClientPeg.get().removeListener('Room.receipt', this.boundOnRoomReceipt);
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MatrixClientPeg.get().removeListener('Event.decrypted', this.boundOnEventDecrypted);
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MatrixClientPeg.get().removeListener('sync', this.boundOnSyncStateChange);
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}
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this.isSyncing = false;
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},
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supportsDesktopNotifications: function() {
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const plaf = PlatformPeg.get();
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return plaf && plaf.supportsNotifications();
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},
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setEnabled: function(enable, callback) {
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const plaf = PlatformPeg.get();
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if (!plaf) return;
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// Dev note: We don't set the "notificationsEnabled" setting to true here because it is a
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// calculated value. It is determined based upon whether or not the master rule is enabled
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// and other flags. Setting it here would cause a circular reference.
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Analytics.trackEvent('Notifier', 'Set Enabled', enable);
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// make sure that we persist the current setting audio_enabled setting
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// before changing anything
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if (SettingsStore.isLevelSupported(SettingLevel.DEVICE)) {
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SettingsStore.setValue("audioNotificationsEnabled", null, SettingLevel.DEVICE, this.isEnabled());
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}
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if (enable) {
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// Attempt to get permission from user
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plaf.requestNotificationPermission().done((result) => {
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if (result !== 'granted') {
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// The permission request was dismissed or denied
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// TODO: Support alternative branding in messaging
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const description = result === 'denied'
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? _t('Riot does not have permission to send you notifications - please check your browser settings')
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: _t('Riot was not given permission to send notifications - please try again');
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const ErrorDialog = sdk.getComponent('dialogs.ErrorDialog');
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Modal.createTrackedDialog('Unable to enable Notifications', result, ErrorDialog, {
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title: _t('Unable to enable Notifications'),
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description,
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});
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return;
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}
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if (callback) callback();
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dis.dispatch({
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action: "notifier_enabled",
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value: true,
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});
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});
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} else {
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dis.dispatch({
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action: "notifier_enabled",
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value: false,
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});
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}
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// set the notifications_hidden flag, as the user has knowingly interacted
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// with the setting we shouldn't nag them any further
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this.setToolbarHidden(true);
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},
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isEnabled: function() {
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return this.isPossible() && SettingsStore.getValue("notificationsEnabled");
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},
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isPossible: function() {
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const plaf = PlatformPeg.get();
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if (!plaf) return false;
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if (!plaf.supportsNotifications()) return false;
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if (!plaf.maySendNotifications()) return false;
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return true; // possible, but not necessarily enabled
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},
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isBodyEnabled: function() {
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return this.isEnabled() && SettingsStore.getValue("notificationBodyEnabled");
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},
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isAudioEnabled: function() {
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return this.isEnabled() && SettingsStore.getValue("audioNotificationsEnabled");
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},
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setToolbarHidden: function(hidden, persistent = true) {
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this.toolbarHidden = hidden;
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Analytics.trackEvent('Notifier', 'Set Toolbar Hidden', hidden);
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// XXX: why are we dispatching this here?
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// this is nothing to do with notifier_enabled
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dis.dispatch({
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action: "notifier_enabled",
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value: this.isEnabled(),
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});
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// update the info to localStorage for persistent settings
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if (persistent && global.localStorage) {
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global.localStorage.setItem("notifications_hidden", hidden);
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}
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},
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isToolbarHidden: function() {
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// Check localStorage for any such meta data
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if (global.localStorage) {
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return global.localStorage.getItem("notifications_hidden") === "true";
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}
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return this.toolbarHidden;
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},
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onSyncStateChange: function(state) {
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if (state === "SYNCING") {
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this.isSyncing = true;
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} else if (state === "STOPPED" || state === "ERROR") {
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this.isSyncing = false;
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}
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},
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onEvent: function(ev) {
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if (!this.isSyncing) return; // don't alert for any messages initially
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if (ev.sender && ev.sender.userId === MatrixClientPeg.get().credentials.userId) return;
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// If it's an encrypted event and the type is still 'm.room.encrypted',
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// it hasn't yet been decrypted, so wait until it is.
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if (ev.isBeingDecrypted() || ev.isDecryptionFailure()) {
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this.pendingEncryptedEventIds.push(ev.getId());
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// don't let the list fill up indefinitely
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while (this.pendingEncryptedEventIds.length > MAX_PENDING_ENCRYPTED) {
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this.pendingEncryptedEventIds.shift();
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}
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return;
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}
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this._evaluateEvent(ev);
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},
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onEventDecrypted: function(ev) {
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// 'decrypted' means the decryption process has finished: it may have failed,
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// in which case it might decrypt soon if the keys arrive
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if (ev.isDecryptionFailure()) return;
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const idx = this.pendingEncryptedEventIds.indexOf(ev.getId());
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if (idx === -1) return;
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this.pendingEncryptedEventIds.splice(idx, 1);
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this._evaluateEvent(ev);
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},
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onRoomReceipt: function(ev, room) {
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if (room.getUnreadNotificationCount() === 0) {
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// ideally we would clear each notification when it was read,
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// but we have no way, given a read receipt, to know whether
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// the receipt comes before or after an event, so we can't
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// do this. Instead, clear all notifications for a room once
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// there are no notifs left in that room., which is not quite
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// as good but it's something.
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const plaf = PlatformPeg.get();
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if (!plaf) return;
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if (this.notifsByRoom[room.roomId] === undefined) return;
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for (const notif of this.notifsByRoom[room.roomId]) {
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plaf.clearNotification(notif);
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}
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delete this.notifsByRoom[room.roomId];
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}
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},
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_evaluateEvent: function(ev) {
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const room = MatrixClientPeg.get().getRoom(ev.getRoomId());
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const actions = MatrixClientPeg.get().getPushActionsForEvent(ev);
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if (actions && actions.notify) {
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if (this.isEnabled()) {
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this._displayPopupNotification(ev, room);
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}
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if (actions.tweaks.sound && this.isAudioEnabled()) {
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PlatformPeg.get().loudNotification(ev, room);
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this._playAudioNotification(ev, room);
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}
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}
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},
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};
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if (!global.mxNotifier) {
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global.mxNotifier = Notifier;
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}
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module.exports = global.mxNotifier;
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