gnome-shell/js/ui/notificationDaemon.js
Florian Müllner 01a57206bc messageTray: Don't create notification policy on demand
This was changed in commit 8f15193b4 as a work-around for an ES6
class limitation, but now that Sources are GObject subclasses, we
no longer need to use that somewhat surprising pattern.

https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/1131
2020-03-26 18:52:10 +00:00

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// -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
/* exported NotificationDaemon */
const { GdkPixbuf, Gio, GLib, GObject, Shell, St } = imports.gi;
const Config = imports.misc.config;
const Main = imports.ui.main;
const MessageTray = imports.ui.messageTray;
const Params = imports.misc.params;
const { loadInterfaceXML } = imports.misc.fileUtils;
// Should really be defined in Gio.js
const BusIface = loadInterfaceXML('org.freedesktop.DBus');
var BusProxy = Gio.DBusProxy.makeProxyWrapper(BusIface);
function Bus() {
return new BusProxy(Gio.DBus.session, 'org.freedesktop.DBus', '/org/freedesktop/DBus');
}
const FdoNotificationsIface = loadInterfaceXML('org.freedesktop.Notifications');
var NotificationClosedReason = {
EXPIRED: 1,
DISMISSED: 2,
APP_CLOSED: 3,
UNDEFINED: 4,
};
var Urgency = {
LOW: 0,
NORMAL: 1,
CRITICAL: 2,
};
const rewriteRules = {
'XChat': [
{ pattern: /^XChat: Private message from: (\S*) \(.*\)$/,
replacement: '<$1>' },
{ pattern: /^XChat: New public message from: (\S*) \((.*)\)$/,
replacement: '$2 <$1>' },
{ pattern: /^XChat: Highlighted message from: (\S*) \((.*)\)$/,
replacement: '$2 <$1>' },
],
};
var FdoNotificationDaemon = class FdoNotificationDaemon {
constructor() {
this._dbusImpl = Gio.DBusExportedObject.wrapJSObject(FdoNotificationsIface, this);
this._dbusImpl.export(Gio.DBus.session, '/org/freedesktop/Notifications');
this._sources = [];
this._senderToPid = {};
this._notifications = {};
this._busProxy = new Bus();
this._nextNotificationId = 1;
Shell.WindowTracker.get_default().connect('notify::focus-app',
this._onFocusAppChanged.bind(this));
Main.overview.connect('hidden',
this._onFocusAppChanged.bind(this));
}
_imageForNotificationData(hints) {
if (hints['image-data']) {
let [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.
//
// Either a pid or ndata.notification is needed to retrieve or
// create a source.
_getSource(title, pid, ndata, sender) {
if (!pid && !(ndata && ndata.notification))
return null;
// 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;
}
let appId = ndata ? ndata.hints['desktop-entry'] || null : null;
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].deep_unpack();
}
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]));
}
let rewrites = rewriteRules[appName];
if (rewrites) {
for (let i = 0; i < rewrites.length; i++) {
let rule = rewrites[i];
if (summary.search(rule.pattern) != -1)
summary = summary.replace(rule.pattern, rule.replacement);
}
}
// 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'];
}
let 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 = this._senderToPid[sender];
let source = this._getSource(appName, pid, ndata, sender, null);
if (source) {
this._notifyForSource(source, ndata);
return invocation.return_value(GLib.Variant.new('(u)', [id]));
}
if (replacesId) {
// There's already a pending call to GetConnectionUnixProcessID,
// which will see the new notification data when it finishes,
// so we don't have to do anything.
return invocation.return_value(GLib.Variant.new('(u)', [id]));
}
this._busProxy.GetConnectionUnixProcessIDRemote(sender, (result, excp) => {
// The app may have updated or removed the notification
ndata = this._notifications[id];
if (!ndata)
return;
if (excp) {
logError(excp, 'Call to GetConnectionUnixProcessID failed');
return;
}
[pid] = result;
source = this._getSource(appName, pid, ndata, sender, null);
this._senderToPid[sender] = pid;
source.connect('destroy', () => {
delete this._senderToPid[sender];
});
this._notifyForSource(source, ndata);
});
return invocation.return_value(GLib.Variant.new('(u)', [id]));
}
_notifyForSource(source, ndata) {
let [id_, icon, summary, body, actions, hints, notification] =
[ndata.id, ndata.icon, ndata.summary, ndata.body,
ndata.actions, ndata.hints, ndata.notification];
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);
});
}
let gicon = this._iconForNotificationData(icon);
let gimage = this._imageForNotificationData(hints);
// If an icon is not specified, we use 'image-data' or 'image-path' hint for an icon
// and don't show a large image. There are currently many applications that use
// notify_notification_set_icon_from_pixbuf() from libnotify, which in turn sets
// the 'image-data' hint. These applications don't typically pass in 'app_icon'
// argument to Notify() and actually expect the pixbuf to be shown as an icon.
// So the logic here does the right thing for this case. If both an icon and either
// one of 'image-data' or 'image-path' are specified, the icon and takes precedence.
if (!gicon && gimage)
gicon = gimage;
else if (!gicon)
gicon = this._fallbackIconForNotificationData(hints);
notification.update(summary, body, { gicon,
bannerMarkup: true,
clear: true,
soundFile: hints['sound-file'],
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',
];
}
_onFocusAppChanged() {
let tracker = Shell.WindowTracker.get_default();
if (!tracker.focus_app)
return;
for (let i = 0; i < this._sources.length; i++) {
let source = this._sources[i];
if (source.app == tracker.focus_app) {
source.destroyNonResidentNotifications();
return;
}
}
}
_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]));
}
};
var FdoNotificationDaemonSource = GObject.registerClass(
class FdoNotificationDaemonSource extends MessageTray.Source {
_init(title, pid, sender, appId) {
this.pid = pid;
this.app = this._getApp(appId);
super._init(title);
this.initialTitle = 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) {
let app;
app = Shell.WindowTracker.get_default().get_app_from_pid(this.pid);
if (app != null)
return app;
if (appId) {
app = Shell.AppSystem.get_default().lookup_app('%s.desktop'.format(appId));
if (app != null)
return app;
}
return null;
}
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,
};
var GtkNotificationDaemonNotification = GObject.registerClass(
class GtkNotificationDaemonNotification extends MessageTray.Notification {
_init(source, notification) {
super._init(source);
this._serialized = GLib.Variant.new('a{sv}', notification);
let { 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.deep_unpack().forEach(button => {
this.addAction(button.label.unpack(), () => {
this._onButtonClicked(button);
});
});
}
this._defaultAction = defaultAction ? defaultAction.unpack() : null;
this._defaultActionTarget = defaultActionTarget;
this.update(title.unpack(), body ? body.unpack() : null,
{ 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, '_');
}
function getPlatformData() {
let startupId = GLib.Variant.new('s', '_TIME%s'.format(global.get_current_time()));
return { "desktop-startup-id": startupId };
}
function InvalidAppError() {}
var 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('%s.desktop'.format(appId));
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(callback) {
return new FdoApplicationProxy(Gio.DBus.session, this._appId, this._objectPath, callback);
}
_createNotification(params) {
return new GtkNotificationDaemonNotification(this, params);
}
activateAction(actionId, target) {
this._createApp((app, error) => {
if (error == null)
app.ActivateActionRemote(actionId, target ? [target] : [], getPlatformData());
else
logError(error, 'Failed to activate application proxy');
});
Main.overview.hide();
Main.panel.closeCalendar();
}
open() {
this._createApp((app, error) => {
if (error == null)
app.ActivateRemote(getPlatformData());
else
logError(error, 'Failed to open application 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');
var GtkNotificationDaemon = 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.deep_unpack();
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.deep_unpack(), 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 "%s" could not be found'.format(appId));
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);
}
};
var NotificationDaemon = class NotificationDaemon {
constructor() {
this._fdoNotificationDaemon = new FdoNotificationDaemon();
this._gtkNotificationDaemon = new GtkNotificationDaemon();
}
};