gnome-shell/js/ui/notificationDaemon.js
Florian Müllner a42f7c2384 cleanup: Use type-safe comparisons
We have been using type-safe comparisons in new code for quite a while
now, however old code has only been adapted slowly.

Change all the remaining bits to get rid of another legacy style
difference.

Part-of: <https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/2866>
2023-08-09 15:10:38 +00:00

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// -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
import GdkPixbuf from 'gi://GdkPixbuf';
import Gio from 'gi://Gio';
import GLib from 'gi://GLib';
import GObject from 'gi://GObject';
import Shell from 'gi://Shell';
import St from 'gi://St';
const Config = imports.misc.config;
import * as Main from './main.js';
import * as MessageTray from './messageTray.js';
import * as Params from '../misc/params.js';
import {loadInterfaceXML} from '../misc/fileUtils.js';
const FdoNotificationsIface = loadInterfaceXML('org.freedesktop.Notifications');
/** @enum {number} */
const NotificationClosedReason = {
EXPIRED: 1,
DISMISSED: 2,
APP_CLOSED: 3,
UNDEFINED: 4,
};
/** @enum {number} */
const Urgency = {
LOW: 0,
NORMAL: 1,
CRITICAL: 2,
};
class FdoNotificationDaemon {
constructor() {
this._dbusImpl = Gio.DBusExportedObject.wrapJSObject(FdoNotificationsIface, this);
this._dbusImpl.export(Gio.DBus.session, '/org/freedesktop/Notifications');
this._sources = [];
this._notifications = {};
this._nextNotificationId = 1;
}
_imageForNotificationData(hints) {
if (hints['image-data']) {
const [
width, height, rowStride, hasAlpha,
bitsPerSample, nChannels_, data,
] = hints['image-data'];
return Shell.util_create_pixbuf_from_data(data,
GdkPixbuf.Colorspace.RGB,
hasAlpha,
bitsPerSample,
width,
height,
rowStride);
} else if (hints['image-path']) {
return this._iconForNotificationData(hints['image-path']);
}
return null;
}
_fallbackIconForNotificationData(hints) {
let stockIcon;
switch (hints.urgency) {
case Urgency.LOW:
case Urgency.NORMAL:
stockIcon = 'dialog-information';
break;
case Urgency.CRITICAL:
stockIcon = 'dialog-error';
break;
}
return new Gio.ThemedIcon({name: stockIcon});
}
_iconForNotificationData(icon) {
if (icon) {
if (icon.substr(0, 7) === 'file://')
return new Gio.FileIcon({file: Gio.File.new_for_uri(icon)});
else if (icon[0] === '/')
return new Gio.FileIcon({file: Gio.File.new_for_path(icon)});
else
return new Gio.ThemedIcon({name: icon});
}
return null;
}
_lookupSource(title, pid) {
for (let i = 0; i < this._sources.length; i++) {
let source = this._sources[i];
if (source.pid === pid && source.initialTitle === title)
return source;
}
return null;
}
// Returns the source associated with ndata.notification if it is set.
// If the existing or requested source is associated with a tray icon
// and passed in pid matches a pid of an existing source, the title
// match is ignored to enable representing a tray icon and notifications
// from the same application with a single source.
//
// If no existing source is found, a new source is created as long as
// pid is provided.
_getSource(title, pid, ndata, sender) {
if (!pid && !(ndata && ndata.notification))
throw new Error('Either a pid or ndata.notification is needed');
// We use notification's source for the notifications we still have
// around that are getting replaced because we don't keep sources
// for transient notifications in this._sources, but we still want
// the notification associated with them to get replaced correctly.
if (ndata && ndata.notification)
return ndata.notification.source;
let source = this._lookupSource(title, pid);
if (source) {
source.setTitle(title);
return source;
}
const appId = ndata?.hints['desktop-entry'];
source = new FdoNotificationDaemonSource(title, pid, sender, appId);
this._sources.push(source);
source.connect('destroy', () => {
let index = this._sources.indexOf(source);
if (index >= 0)
this._sources.splice(index, 1);
});
Main.messageTray.add(source);
return source;
}
NotifyAsync(params, invocation) {
let [appName, replacesId, icon, summary, body, actions, hints, timeout] = params;
let id;
for (let hint in hints) {
// unpack the variants
hints[hint] = hints[hint].deepUnpack();
}
hints = Params.parse(hints, {urgency: Urgency.NORMAL}, true);
// Filter out chat, presence, calls and invitation notifications from
// Empathy, since we handle that information from telepathyClient.js
//
// Note that empathy uses im.received for one to one chats and
// x-empathy.im.mentioned for multi-user, so we're good here
if (appName === 'Empathy' && hints['category'] === 'im.received') {
// Ignore replacesId since we already sent back a
// NotificationClosed for that id.
id = this._nextNotificationId++;
let idleId = GLib.idle_add(GLib.PRIORITY_DEFAULT, () => {
this._emitNotificationClosed(id, NotificationClosedReason.DISMISSED);
return GLib.SOURCE_REMOVE;
});
GLib.Source.set_name_by_id(idleId, '[gnome-shell] this._emitNotificationClosed');
return invocation.return_value(GLib.Variant.new('(u)', [id]));
}
// Be compatible with the various hints for image data and image path
// 'image-data' and 'image-path' are the latest name of these hints, introduced in 1.2
if (!hints['image-path'] && hints['image_path'])
hints['image-path'] = hints['image_path']; // version 1.1 of the spec
if (!hints['image-data']) {
if (hints['image_data'])
hints['image-data'] = hints['image_data']; // version 1.1 of the spec
else if (hints['icon_data'] && !hints['image-path'])
// early versions of the spec; 'icon_data' should only be used if 'image-path' is not available
hints['image-data'] = hints['icon_data'];
}
const ndata = {
appName,
icon,
summary,
body,
actions,
hints,
timeout,
};
if (replacesId !== 0 && this._notifications[replacesId]) {
ndata.id = id = replacesId;
ndata.notification = this._notifications[replacesId].notification;
} else {
replacesId = 0;
ndata.id = id = this._nextNotificationId++;
}
this._notifications[id] = ndata;
let sender = invocation.get_sender();
let pid = hints['sender-pid'];
let source = this._getSource(appName, pid, ndata, sender, null);
this._notifyForSource(source, ndata);
return invocation.return_value(GLib.Variant.new('(u)', [id]));
}
_notifyForSource(source, ndata) {
const {icon, summary, body, actions, hints} = ndata;
let {notification} = ndata;
if (notification == null) {
notification = new MessageTray.Notification(source);
ndata.notification = notification;
notification.connect('destroy', (n, reason) => {
delete this._notifications[ndata.id];
let notificationClosedReason;
switch (reason) {
case MessageTray.NotificationDestroyedReason.EXPIRED:
notificationClosedReason = NotificationClosedReason.EXPIRED;
break;
case MessageTray.NotificationDestroyedReason.DISMISSED:
notificationClosedReason = NotificationClosedReason.DISMISSED;
break;
case MessageTray.NotificationDestroyedReason.SOURCE_CLOSED:
notificationClosedReason = NotificationClosedReason.APP_CLOSED;
break;
}
this._emitNotificationClosed(ndata.id, notificationClosedReason);
});
}
// 'image-data' (or 'image-path') takes precedence over 'app-icon'.
let gicon = this._imageForNotificationData(hints);
if (!gicon)
gicon = this._iconForNotificationData(icon);
if (!gicon)
gicon = this._fallbackIconForNotificationData(hints);
const soundFile = 'sound-file' in hints
? Gio.File.new_for_path(hints['sound-file']) : null;
notification.update(summary, body, {
gicon,
bannerMarkup: true,
clear: true,
soundFile,
soundName: hints['sound-name'],
});
let hasDefaultAction = false;
if (actions.length) {
for (let i = 0; i < actions.length - 1; i += 2) {
let [actionId, label] = [actions[i], actions[i + 1]];
if (actionId === 'default') {
hasDefaultAction = true;
} else {
notification.addAction(label, () => {
this._emitActionInvoked(ndata.id, actionId);
});
}
}
}
if (hasDefaultAction) {
notification.connect('activated', () => {
this._emitActionInvoked(ndata.id, 'default');
});
} else {
notification.connect('activated', () => {
source.open();
});
}
switch (hints.urgency) {
case Urgency.LOW:
notification.setUrgency(MessageTray.Urgency.LOW);
break;
case Urgency.NORMAL:
notification.setUrgency(MessageTray.Urgency.NORMAL);
break;
case Urgency.CRITICAL:
notification.setUrgency(MessageTray.Urgency.CRITICAL);
break;
}
notification.setResident(!!hints.resident);
// 'transient' is a reserved keyword in JS, so we have to retrieve the value
// of the 'transient' hint with hints['transient'] rather than hints.transient
notification.setTransient(!!hints['transient']);
let privacyScope = hints['x-gnome-privacy-scope'] || 'user';
notification.setPrivacyScope(privacyScope === 'system'
? MessageTray.PrivacyScope.SYSTEM
: MessageTray.PrivacyScope.USER);
let sourceGIcon = source.useNotificationIcon ? gicon : null;
source.processNotification(notification, sourceGIcon);
}
CloseNotification(id) {
let ndata = this._notifications[id];
if (ndata) {
if (ndata.notification)
ndata.notification.destroy(MessageTray.NotificationDestroyedReason.SOURCE_CLOSED);
delete this._notifications[id];
}
}
GetCapabilities() {
return [
'actions',
// 'action-icons',
'body',
// 'body-hyperlinks',
// 'body-images',
'body-markup',
// 'icon-multi',
'icon-static',
'persistence',
'sound',
];
}
GetServerInformation() {
return [
Config.PACKAGE_NAME,
'GNOME',
Config.PACKAGE_VERSION,
'1.2',
];
}
_emitNotificationClosed(id, reason) {
this._dbusImpl.emit_signal('NotificationClosed',
GLib.Variant.new('(uu)', [id, reason]));
}
_emitActionInvoked(id, action) {
this._dbusImpl.emit_signal('ActionInvoked',
GLib.Variant.new('(us)', [id, action]));
}
}
const FdoNotificationDaemonSource = GObject.registerClass(
class FdoNotificationDaemonSource extends MessageTray.Source {
_init(title, pid, sender, appId) {
this.pid = pid;
this.initialTitle = title;
this.app = this._getApp(appId);
super._init(title);
if (this.app)
this.title = this.app.get_name();
else
this.useNotificationIcon = true;
if (sender) {
this._nameWatcherId = Gio.DBus.session.watch_name(sender,
Gio.BusNameWatcherFlags.NONE,
null,
this._onNameVanished.bind(this));
} else {
this._nameWatcherId = 0;
}
}
_createPolicy() {
if (this.app && this.app.get_app_info()) {
let id = this.app.get_id().replace(/\.desktop$/, '');
return new MessageTray.NotificationApplicationPolicy(id);
} else {
return new MessageTray.NotificationGenericPolicy();
}
}
_onNameVanished() {
// Destroy the notification source when its sender is removed from DBus.
// Only do so if this.app is set to avoid removing "notify-send" sources, senders
// of which аre removed from DBus immediately.
// Sender being removed from DBus would normally result in a tray icon being removed,
// so allow the code path that handles the tray icon being removed to handle that case.
if (this.app)
this.destroy();
}
processNotification(notification, gicon) {
if (gicon)
this._gicon = gicon;
this.iconUpdated();
let tracker = Shell.WindowTracker.get_default();
if (notification.resident && this.app && tracker.focus_app === this.app)
this.pushNotification(notification);
else
this.showNotification(notification);
}
_getApp(appId) {
const appSys = Shell.AppSystem.get_default();
let app;
app = Shell.WindowTracker.get_default().get_app_from_pid(this.pid);
if (app != null)
return app;
if (appId)
app = appSys.lookup_app(`${appId}.desktop`);
if (!app)
app = appSys.lookup_app(`${this.initialTitle}.desktop`);
return app;
}
setTitle(title) {
// Do nothing if .app is set, we don't want to override the
// app name with whatever is provided through libnotify (usually
// garbage)
if (this.app)
return;
super.setTitle(title);
}
open() {
this.openApp();
this.destroyNonResidentNotifications();
}
openApp() {
if (this.app == null)
return;
this.app.activate();
Main.overview.hide();
Main.panel.closeCalendar();
}
destroy() {
if (this._nameWatcherId) {
Gio.DBus.session.unwatch_name(this._nameWatcherId);
this._nameWatcherId = 0;
}
super.destroy();
}
createIcon(size) {
if (this.app) {
return this.app.create_icon_texture(size);
} else if (this._gicon) {
return new St.Icon({
gicon: this._gicon,
icon_size: size,
});
} else {
return null;
}
}
});
const PRIORITY_URGENCY_MAP = {
low: MessageTray.Urgency.LOW,
normal: MessageTray.Urgency.NORMAL,
high: MessageTray.Urgency.HIGH,
urgent: MessageTray.Urgency.CRITICAL,
};
const GtkNotificationDaemonNotification = GObject.registerClass(
class GtkNotificationDaemonNotification extends MessageTray.Notification {
_init(source, notification) {
super._init(source);
this._serialized = GLib.Variant.new('a{sv}', notification);
const {
title,
body,
icon: gicon,
urgent,
priority,
buttons,
'default-action': defaultAction,
'default-action-target': defaultActionTarget,
timestamp: time,
} = notification;
if (priority) {
let urgency = PRIORITY_URGENCY_MAP[priority.unpack()];
this.setUrgency(urgency !== undefined ? urgency : MessageTray.Urgency.NORMAL);
} else if (urgent) {
this.setUrgency(urgent.unpack()
? MessageTray.Urgency.CRITICAL
: MessageTray.Urgency.NORMAL);
} else {
this.setUrgency(MessageTray.Urgency.NORMAL);
}
if (buttons) {
buttons.deepUnpack().forEach(button => {
this.addAction(button.label.unpack(), () => {
this._onButtonClicked(button);
});
});
}
this._defaultAction = defaultAction?.unpack();
this._defaultActionTarget = defaultActionTarget;
this.update(title.unpack(), body?.unpack(), {
gicon: gicon
? Gio.icon_deserialize(gicon) : null,
datetime: time
? GLib.DateTime.new_from_unix_local(time.unpack()) : null,
});
}
_activateAction(namespacedActionId, target) {
if (namespacedActionId) {
if (namespacedActionId.startsWith('app.')) {
let actionId = namespacedActionId.slice('app.'.length);
this.source.activateAction(actionId, target);
}
} else {
this.source.open();
}
}
_onButtonClicked(button) {
let {action, target} = button;
this._activateAction(action.unpack(), target);
}
activate() {
this._activateAction(this._defaultAction, this._defaultActionTarget);
super.activate();
}
serialize() {
return this._serialized;
}
});
const FdoApplicationIface = loadInterfaceXML('org.freedesktop.Application');
const FdoApplicationProxy = Gio.DBusProxy.makeProxyWrapper(FdoApplicationIface);
function objectPathFromAppId(appId) {
return `/${appId.replace(/\./g, '/').replace(/-/g, '_')}`;
}
/**
* @returns {{ 'desktop-startup-id': string }}
*/
function getPlatformData() {
let startupId = GLib.Variant.new('s', `_TIME${global.get_current_time()}`);
return {'desktop-startup-id': startupId};
}
function InvalidAppError() {}
const GtkNotificationDaemonAppSource = GObject.registerClass(
class GtkNotificationDaemonAppSource extends MessageTray.Source {
_init(appId) {
let objectPath = objectPathFromAppId(appId);
if (!GLib.Variant.is_object_path(objectPath))
throw new InvalidAppError();
let app = Shell.AppSystem.get_default().lookup_app(`${appId}.desktop`);
if (!app)
throw new InvalidAppError();
this._appId = appId;
this._app = app;
this._objectPath = objectPath;
super._init(app.get_name());
this._notifications = {};
this._notificationPending = false;
}
createIcon(size) {
return this._app.create_icon_texture(size);
}
_createPolicy() {
return new MessageTray.NotificationApplicationPolicy(this._appId);
}
_createApp() {
return new Promise((resolve, reject) => {
new FdoApplicationProxy(Gio.DBus.session,
this._appId, this._objectPath, (proxy, err) => {
if (err)
reject(err);
else
resolve(proxy);
});
});
}
_createNotification(params) {
return new GtkNotificationDaemonNotification(this, params);
}
async activateAction(actionId, target) {
try {
const app = await this._createApp();
const params = target ? [target] : [];
app.ActivateActionAsync(actionId, params, getPlatformData());
} catch (error) {
logError(error, 'Failed to activate app proxy');
}
Main.overview.hide();
Main.panel.closeCalendar();
}
async open() {
try {
const app = await this._createApp();
app.ActivateAsync(getPlatformData());
} catch (error) {
logError(error, 'Failed to open app proxy');
}
Main.overview.hide();
Main.panel.closeCalendar();
}
addNotification(notificationId, notificationParams, showBanner) {
this._notificationPending = true;
if (this._notifications[notificationId])
this._notifications[notificationId].destroy(MessageTray.NotificationDestroyedReason.REPLACED);
let notification = this._createNotification(notificationParams);
notification.connect('destroy', () => {
delete this._notifications[notificationId];
});
this._notifications[notificationId] = notification;
if (showBanner)
this.showNotification(notification);
else
this.pushNotification(notification);
this._notificationPending = false;
}
destroy(reason) {
if (this._notificationPending)
return;
super.destroy(reason);
}
removeNotification(notificationId) {
if (this._notifications[notificationId])
this._notifications[notificationId].destroy(MessageTray.NotificationDestroyedReason.SOURCE_CLOSED);
}
serialize() {
let notifications = [];
for (let notificationId in this._notifications) {
let notification = this._notifications[notificationId];
notifications.push([notificationId, notification.serialize()]);
}
return [this._appId, notifications];
}
});
const GtkNotificationsIface = loadInterfaceXML('org.gtk.Notifications');
class GtkNotificationDaemon {
constructor() {
this._sources = {};
this._loadNotifications();
this._dbusImpl = Gio.DBusExportedObject.wrapJSObject(GtkNotificationsIface, this);
this._dbusImpl.export(Gio.DBus.session, '/org/gtk/Notifications');
Gio.DBus.session.own_name('org.gtk.Notifications', Gio.BusNameOwnerFlags.REPLACE, null, null);
}
_ensureAppSource(appId) {
if (this._sources[appId])
return this._sources[appId];
let source = new GtkNotificationDaemonAppSource(appId);
source.connect('destroy', () => {
delete this._sources[appId];
this._saveNotifications();
});
source.connect('notify::count', this._saveNotifications.bind(this));
Main.messageTray.add(source);
this._sources[appId] = source;
return source;
}
_loadNotifications() {
this._isLoading = true;
try {
let value = global.get_persistent_state('a(sa(sv))', 'notifications');
if (value) {
let sources = value.deepUnpack();
sources.forEach(([appId, notifications]) => {
if (notifications.length === 0)
return;
let source;
try {
source = this._ensureAppSource(appId);
} catch (e) {
if (e instanceof InvalidAppError)
return;
throw e;
}
notifications.forEach(([notificationId, notification]) => {
source.addNotification(notificationId, notification.deepUnpack(), false);
});
});
}
} catch (e) {
logError(e, 'Failed to load saved notifications');
} finally {
this._isLoading = false;
}
}
_saveNotifications() {
if (this._isLoading)
return;
let sources = [];
for (let appId in this._sources) {
let source = this._sources[appId];
sources.push(source.serialize());
}
global.set_persistent_state('notifications', new GLib.Variant('a(sa(sv))', sources));
}
AddNotificationAsync(params, invocation) {
let [appId, notificationId, notification] = params;
let source;
try {
source = this._ensureAppSource(appId);
} catch (e) {
if (e instanceof InvalidAppError) {
invocation.return_dbus_error('org.gtk.Notifications.InvalidApp',
`The app by ID "${appId}" could not be found`);
return;
}
throw e;
}
let timestamp = GLib.DateTime.new_now_local().to_unix();
notification['timestamp'] = new GLib.Variant('x', timestamp);
source.addNotification(notificationId, notification, true);
invocation.return_value(null);
}
RemoveNotificationAsync(params, invocation) {
let [appId, notificationId] = params;
let source = this._sources[appId];
if (source)
source.removeNotification(notificationId);
invocation.return_value(null);
}
}
export class NotificationDaemon {
constructor() {
this._fdoNotificationDaemon = new FdoNotificationDaemon();
this._gtkNotificationDaemon = new GtkNotificationDaemon();
}
}