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/* -*- mode: js2; js2-basic-offset: 4; indent-tabs-mode: nil -*- */
// Copyright (C) 2011 Giovanni Campagna
// Copyright (C) 2013 Jonas Kuemmerlin <rgcjonas@gmail.com>
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License
// as published by the Free Software Foundation; either version 2
// of the License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
const Gio = imports.gi.Gio;
const Gtk = imports.gi.Gtk;
const Lang = imports.lang;
const Mainloop = imports.mainloop;
const Signals = imports.signals;
const GLib = imports.gi.GLib;
const Extension = imports.misc.extensionUtils.getCurrentExtension();
const AppIndicator = Extension.imports.appIndicator;
const StatusNotifierDispatcher = Extension.imports.statusNotifierDispatcher;
const Interfaces = Extension.imports.interfaces;
const Config = Extension.imports.config;
const ShellConfig = imports.misc.config;
// TODO: replace with org.freedesktop and /org/freedesktop when approved
const KDE_PREFIX = 'org.kde';
const AYATANA_PREFIX = 'org.ayatana';
const AYATANA_PATH_PREFIX = '/org/ayatana';
const WATCHER_BUS_NAME = KDE_PREFIX + '.StatusNotifierWatcher';
const WATCHER_INTERFACE = WATCHER_BUS_NAME;
const WATCHER_OBJECT = '/StatusNotifierWatcher';
const ITEM_OBJECT = '/StatusNotifierItem';
/*
* The StatusNotifierWatcher class implements the StatusNotifierWatcher dbus object
*/
const StatusNotifierWatcher = new Lang.Class({
Name: 'StatusNotifierWatcher',
_init: function() {
this._dbusImpl = Gio.DBusExportedObject.wrapJSObject(Interfaces.StatusNotifierWatcher, this);
this._dbusImpl.export(Gio.DBus.session, WATCHER_OBJECT);
this._everAcquiredName = false;
this._ownName = Gio.DBus.session.own_name(WATCHER_BUS_NAME,
Gio.BusNameOwnerFlags.NONE,
Lang.bind(this, this._acquiredName),
Lang.bind(this, this._lostName));
this._items = { };
this._nameWatcher = { };
},
_acquiredName: function() {
this._everAcquiredName = true;
},
_lostName: function() {
if (this._everAcquiredName)
log('appindicator: Lost name' + WATCHER_BUS_NAME);
else {
log('appindicator: Failed to acquire ' + WATCHER_BUS_NAME);
}
},
// create a unique index for the _items dictionary
_getItemId: function(bus_name, obj_path) {
return bus_name + obj_path;
},
RegisterStatusNotifierItemAsync: function(params, invocation) {
// it would be too easy if all application behaved the same
// instead, ayatana patched gnome apps to send a path
// while kde apps send a bus name
let service = params[0];
let bus_name, obj_path;
if (service.charAt(0) == '/') { // looks like a path
bus_name = invocation.get_sender();
obj_path = service;
} else { // we hope it is a bus name
bus_name = service;
obj_path = ITEM_OBJECT;
}
let id = this._getItemId(bus_name, obj_path);
if(this._items[id]) {
//delete the old one and add the new indicator
log("WARNING: Attempting to re-register "+id+"; resetting instead");
this._items[id].reset();
} else {
log("registering "+id+" for the first time.");
this._items[id] = new AppIndicator.AppIndicator(bus_name, obj_path);
this._dbusImpl.emit_signal('ServiceRegistered', GLib.Variant.new('(s)', service));
this._nameWatcher[id] = Gio.DBus.session.watch_name(bus_name, Gio.BusNameWatcherFlags.NONE, null,
Lang.bind(this, this._itemVanished));
StatusNotifierDispatcher.IndicatorDispatcher.instance.dispatch(this._items[id]);
this._dbusImpl.emit_property_changed('RegisteredStatusNotifierItems', null); //FIXME: null is incorrect
}
invocation.return_value(null);
},
_itemVanished: function(proxy, bus_name) {
// FIXME: this is useless if the path name disappears while the bus stays alive (not unheard of)
for (var i in this._items) {
if (i.indexOf(bus_name) == 0) {
this._remove(i);
}
}
},
_remove: function(id) {
this._items[id].destroy();
delete this._items[id];
Gio.DBus.session.unwatch_name(this._nameWatcher[id]);
delete this._nameWatcher[id];
this._dbusImpl.emit_signal('ServiceUnregistered', GLib.Variant.new('(s)', id));
this._dbusImpl.emit_property_changed('RegisteredStatusNotifierItems', null);
},
RegisterNotificationHost: function(service) {
throw new Gio.DBusError('org.gnome.Shell.UnsupportedMethod',
'Registering additional notification hosts is not supported');
},
IsNotificationHostRegistered: function() {
return true;
},
ProtocolVersion: function() {
// "The version of the protocol the StatusNotifierWatcher instance implements." [sic]
// in what syntax?
return "%s/%s (KDE; compatible; mostly) GNOME Shell/%s".format(Config.id, Config.version, ShellConfig.PACKAGE_VERSION);
},
get RegisteredStatusNotifierItems() {
return Object.keys(this._items);
},
get IsStatusNotifierHostRegistered() {
return true;
},
destroy: function() {
if (!this._isDestroyed) {
// this doesn't do any sync operation and doesn't allow us to hook up the event of being finished
// which results in our unholy debounce hack (see extension.js)
Gio.DBus.session.unown_name(this._ownName);
this._dbusImpl.unexport();
for (var i in this._nameWatcher) {
Gio.DBus.session.unwatch_name(this._nameWatcher[i]);
}
delete this._nameWatcher;
for (var i in this._items) {
this._items[i].destroy();
}
delete this._items;
this._isDestroyed = true;
}
}
});
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