gnome-shell/js/ui/notificationDaemon.js
Adel Gadllah 17e70ff8ec notificationDaemon: Store tray-icon-added/removed ids
This allows extensions to reuse the trayManager.
2012-10-06 16:11:54 +02:00

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// -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
const Clutter = imports.gi.Clutter;
const GdkPixbuf = imports.gi.GdkPixbuf;
const Gio = imports.gi.Gio;
const GLib = imports.gi.GLib;
const Lang = imports.lang;
const Shell = imports.gi.Shell;
const Mainloop = imports.mainloop;
const St = imports.gi.St;
const Config = imports.misc.config;
const Main = imports.ui.main;
const MessageTray = imports.ui.messageTray;
const Params = imports.misc.params;
const Util = imports.misc.util;
let nextNotificationId = 1;
// Should really be defined in Gio.js
const BusIface = <interface name="org.freedesktop.DBus">
<method name="GetConnectionUnixProcessID">
<arg type="s" direction="in" />
<arg type="u" direction="out" />
</method>
</interface>;
var BusProxy = Gio.DBusProxy.makeProxyWrapper(BusIface);
function Bus() {
return new BusProxy(Gio.DBus.session, 'org.freedesktop.DBus', '/org/freedesktop/DBus');
}
const NotificationDaemonIface = <interface name="org.freedesktop.Notifications">
<method name="Notify">
<arg type="s" direction="in"/>
<arg type="u" direction="in"/>
<arg type="s" direction="in"/>
<arg type="s" direction="in"/>
<arg type="s" direction="in"/>
<arg type="as" direction="in"/>
<arg type="a{sv}" direction="in"/>
<arg type="i" direction="in"/>
<arg type="u" direction="out"/>
</method>
<method name="CloseNotification">
<arg type="u" direction="in"/>
</method>
<method name="GetCapabilities">
<arg type="as" direction="out"/>
</method>
<method name="GetServerInformation">
<arg type="s" direction="out"/>
<arg type="s" direction="out"/>
<arg type="s" direction="out"/>
<arg type="s" direction="out"/>
</method>
<signal name="NotificationClosed">
<arg type="u"/>
<arg type="u"/>
</signal>
<signal name="ActionInvoked">
<arg type="u"/>
<arg type="s"/>
</signal>
</interface>;
const NotificationClosedReason = {
EXPIRED: 1,
DISMISSED: 2,
APP_CLOSED: 3,
UNDEFINED: 4
};
const 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>' }
]
};
const STANDARD_TRAY_ICON_IMPLEMENTATIONS = {
'bluetooth-applet': 'bluetooth',
'gnome-volume-control-applet': 'volume', // renamed to gnome-sound-applet
// when moved to control center
'gnome-sound-applet': 'volume',
'nm-applet': 'network',
'gnome-power-manager': 'battery',
'keyboard': 'keyboard',
'a11y-keyboard': 'a11y',
'kbd-scrolllock': 'keyboard',
'kbd-numlock': 'keyboard',
'kbd-capslock': 'keyboard',
'ibus-ui-gtk': 'keyboard'
};
const NotificationDaemon = new Lang.Class({
Name: 'NotificationDaemon',
_init: function() {
this._dbusImpl = Gio.DBusExportedObject.wrapJSObject(NotificationDaemonIface, this);
this._dbusImpl.export(Gio.DBus.session, '/org/freedesktop/Notifications');
this._sources = [];
this._senderToPid = {};
this._notifications = {};
this._busProxy = new Bus();
this._trayManager = new Shell.TrayManager();
this._trayIconAddedId = this._trayManager.connect('tray-icon-added', Lang.bind(this, this._onTrayIconAdded));
this._trayIconRemovedId = this._trayManager.connect('tray-icon-removed', Lang.bind(this, this._onTrayIconRemoved));
Shell.WindowTracker.get_default().connect('notify::focus-app',
Lang.bind(this, this._onFocusAppChanged));
Main.overview.connect('hidden',
Lang.bind(this, this._onFocusAppChanged));
this._trayManager.manage_stage(global.stage, Main.messageTray.actor);
},
_iconForNotificationData: function(icon, 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, we show both an icon and
// a large image.
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 });
} else 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 new Gio.FileIcon({ file: Gio.File.new_for_path(hints['image-path']) });
} else {
let stockIcon;
switch (hints.urgency) {
case Urgency.LOW:
case Urgency.NORMAL:
stockIcon = 'gtk-dialog-info';
break;
case Urgency.CRITICAL:
stockIcon = 'gtk-dialog-error';
break;
}
return new Gio.ThemedIcon({ name: stockIcon });
}
},
_lookupSource: function(title, pid, trayIcon) {
for (let i = 0; i < this._sources.length; i++) {
let source = this._sources[i];
if (source.pid == pid &&
(source.initialTitle == title || source.trayIcon || trayIcon))
return source;
}
return null;
},
// Returns the source associated with ndata.notification if it is set.
// Otherwise, returns the source associated with the title and pid if
// such source is stored in this._sources and the notification is not
// transient. 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: function(title, pid, ndata, sender, trayIcon) {
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 isForTransientNotification = (ndata && ndata.hints['transient'] == true);
// We don't want to override a persistent notification
// with a transient one from the same sender, so we
// always create a new source object for new transient notifications
// and never add it to this._sources .
if (!isForTransientNotification) {
let source = this._lookupSource(title, pid, trayIcon);
if (source) {
source.setTitle(title);
return source;
}
}
let source = new Source(title, pid, sender, trayIcon);
source.setTransient(isForTransientNotification);
if (!isForTransientNotification) {
this._sources.push(source);
source.connect('destroy', Lang.bind(this,
function() {
let index = this._sources.indexOf(source);
if (index >= 0)
this._sources.splice(index, 1);
}));
}
Main.messageTray.add(source);
return source;
},
NotifyAsync: function(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
if (appName == 'Empathy' && (hints['category'] == 'im.received' ||
hints['category'] == 'x-empathy.im.room-invitation' ||
hints['category'] == 'x-empathy.call.incoming' ||
hints['category'] == 'x-empathy.transfer.incoming' ||
hints['category'] == 'x-empathy.im.subscription-request' ||
hints['category'] == 'presence.online' ||
hints['category'] == 'presence.offline')) {
// Ignore replacesId since we already sent back a
// NotificationClosed for that id.
id = nextNotificationId++;
Mainloop.idle_add(Lang.bind(this,
function () {
this._emitNotificationClosed(id, NotificationClosedReason.DISMISSED);
return false;
}));
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: appName,
icon: icon,
summary: summary,
body: body,
actions: actions,
hints: hints,
timeout: timeout };
if (replacesId != 0 && this._notifications[replacesId]) {
ndata.id = id = replacesId;
ndata.notification = this._notifications[replacesId].notification;
} else {
replacesId = 0;
ndata.id = id = 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, Lang.bind(this, function (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;
}
let [pid] = result;
source = this._getSource(appName, pid, ndata, sender, null);
// We only store sender-pid entries for persistent sources.
// Removing the entries once the source is destroyed
// would result in the entries associated with transient
// sources removed once the notification is shown anyway.
// However, keeping these pairs would mean that we would
// possibly remove an entry associated with a persistent
// source when a transient source for the same sender is
// distroyed.
if (!source.isTransient) {
this._senderToPid[sender] = pid;
source.connect('destroy', Lang.bind(this, function() {
delete this._senderToPid[sender];
}));
}
this._notifyForSource(source, ndata);
}));
return invocation.return_value(GLib.Variant.new('(u)', [id]));
},
_notifyForSource: function(source, ndata) {
let [id, icon, summary, body, actions, hints, notification] =
[ndata.id, ndata.icon, ndata.summary, ndata.body,
ndata.actions, ndata.hints, ndata.notification];
let gicon = this._iconForNotificationData(icon, hints);
let iconActor = new St.Icon({ gicon: gicon,
icon_size: MessageTray.NOTIFICATION_ICON_SIZE });
if (notification == null) {
notification = new MessageTray.Notification(source, summary, body,
{ icon: iconActor,
bannerMarkup: true });
ndata.notification = notification;
notification.connect('destroy', Lang.bind(this,
function(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);
}));
notification.connect('action-invoked', Lang.bind(this,
function(n, actionId) {
this._emitActionInvoked(ndata.id, actionId);
}));
} else {
notification.update(summary, body, { icon: iconActor,
bannerMarkup: true,
clear: true });
}
// We only display a large image if an icon is also specified.
if (icon && (hints['image-data'] || hints['image-path'])) {
let image = null;
if (hints['image-data']) {
let [width, height, rowStride, hasAlpha,
bitsPerSample, nChannels, data] = hints['image-data'];
image = St.TextureCache.get_default().load_from_raw(data, hasAlpha,
width, height, rowStride, notification.IMAGE_SIZE);
} else if (hints['image-path']) {
image = St.TextureCache.get_default().load_uri_async(GLib.filename_to_uri(hints['image-path'], null),
notification.IMAGE_SIZE,
notification.IMAGE_SIZE);
}
notification.setImage(image);
} else {
notification.unsetImage();
}
if (actions.length) {
notification.setUseActionIcons(hints['action-icons'] == true);
for (let i = 0; i < actions.length - 1; i += 2) {
if (actions[i] == 'default')
notification.connect('clicked', Lang.bind(this,
function() {
this._emitActionInvoked(ndata.id, "default");
}));
else
notification.addButton(actions[i], actions[i + 1]);
}
}
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 == true);
// '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'] == true);
let sourceGIcon = source.useNotificationIcon ? this._iconForNotificationData(icon, hints) : null;
source.processNotification(notification, sourceGIcon);
},
CloseNotification: function(id) {
let ndata = this._notifications[id];
if (ndata) {
if (ndata.notification)
ndata.notification.destroy(MessageTray.NotificationDestroyedReason.SOURCE_CLOSED);
delete this._notifications[id];
}
},
GetCapabilities: function() {
return [
'actions',
'action-icons',
'body',
// 'body-hyperlinks',
// 'body-images',
'body-markup',
// 'icon-multi',
'icon-static',
'persistence',
// 'sound',
];
},
GetServerInformation: function() {
return [
Config.PACKAGE_NAME,
'GNOME',
Config.PACKAGE_VERSION,
'1.2'
];
},
_onFocusAppChanged: function() {
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: function(id, reason) {
this._dbusImpl.emit_signal('NotificationClosed',
GLib.Variant.new('(uu)', [id, reason]));
},
_emitActionInvoked: function(id, action) {
this._dbusImpl.emit_signal('ActionInvoked',
GLib.Variant.new('(us)', [id, action]));
},
_onTrayIconAdded: function(o, icon) {
let wmClass = icon.wm_class ? icon.wm_class.toLowerCase() : '';
if (STANDARD_TRAY_ICON_IMPLEMENTATIONS[wmClass] !== undefined)
return;
let source = this._getSource(icon.title || icon.wm_class || C_("program", "Unknown"), icon.pid, null, null, icon);
},
_onTrayIconRemoved: function(o, icon) {
let source = this._lookupSource(null, icon.pid, true);
if (source)
source.destroy();
}
});
const Source = new Lang.Class({
Name: 'NotificationDaemonSource',
Extends: MessageTray.Source,
_init: function(title, pid, sender, trayIcon) {
this.parent(title);
this.initialTitle = title;
this.pid = pid;
if (sender)
this._nameWatcherId = Gio.DBus.session.watch_name(sender,
Gio.BusNameWatcherFlags.NONE,
null,
Lang.bind(this, this._onNameVanished));
else
this._nameWatcherId = 0;
this._setApp();
if (this.app)
this.title = this.app.get_name();
else
this.useNotificationIcon = true;
this.trayIcon = trayIcon;
if (this.trayIcon) {
this._setSummaryIcon(this.trayIcon);
this.useNotificationIcon = false;
}
},
_onNameVanished: function() {
// 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.trayIcon && this.app)
this.destroy();
},
processNotification: function(notification, gicon) {
if (gicon)
this._gicon = gicon;
if (!this.trayIcon)
this.iconUpdated();
let tracker = Shell.WindowTracker.get_default();
if (notification.resident && this.app && tracker.focus_app == this.app)
this.pushNotification(notification);
else
this.notify(notification);
},
handleSummaryClick: function() {
if (!this.trayIcon)
return false;
let event = Clutter.get_current_event();
if (event.type() != Clutter.EventType.BUTTON_RELEASE)
return false;
// Left clicks are passed through only where there aren't unacknowledged
// notifications, so it possible to open them in summary mode; right
// clicks are always forwarded, as the right click menu is not useful for
// tray icons
if (event.get_button() == 1 &&
this.notifications.length > 0)
return false;
let id = global.connect('notify::stage-input-mode', Lang.bind(this, function () {
global.disconnect(id);
this.trayIcon.click(event);
}));
Main.overview.hide();
return true;
},
_getApp: function() {
let app;
app = Shell.WindowTracker.get_default().get_app_from_pid(this.pid);
if (app != null)
return app;
if (this.trayIcon) {
app = Shell.AppSystem.get_default().lookup_wmclass(this.trayIcon.wmclass);
if (app != null)
return app;
}
return null;
},
_setApp: function() {
if (this.app)
return;
this.app = this._getApp();
if (!this.app)
return;
// Only override the icon if we were previously using
// notification-based icons (ie, not a trayicon) or if it was unset before
if (!this.trayIcon) {
this.useNotificationIcon = false;
this.iconUpdated();
}
},
setTitle: function(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;
this.parent(title);
},
open: function(notification) {
this.destroyNonResidentNotifications();
this.openApp();
},
_lastNotificationRemoved: function() {
if (!this.trayIcon)
this.destroy();
},
openApp: function() {
if (this.app == null)
return;
let windows = this.app.get_windows();
if (windows.length > 0) {
let mostRecentWindow = windows[0];
Main.activateWindow(mostRecentWindow);
}
},
destroy: function() {
if (this._nameWatcherId) {
Gio.DBus.session.unwatch_name(this._nameWatcherId);
this._nameWatcherId = 0;
}
this.parent();
},
createIcon: function(size) {
if (this.trayIcon) {
return new Clutter.Clone({ width: size,
height: size,
source: this.trayIcon });
} else 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;
}
}
});