~ubuntu-branches/debian/sid/docky/sid

#!/usr/bin/env python

 

#  

#  Copyright (C) 2010 Rico Tzschichholz

# 

#  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 3 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, see <http://www.gnu.org/licenses/>.

#

 

import atexit

import gobject

import dbus

import dbus.glib

import glib

import sys

import os

 

try:

        from docky.docky import DockyItem, DockySink

        from signal import signal, SIGTERM

        from sys import exit

except ImportError, e:

        print e

        exit()

 

lifereabus = "org.gnome.feed.Reader"

readerpath = "/org/gnome/feed/Reader"

readeriface = "org.gnome.feed.Reader"

        

class DockyLifereaItem(DockyItem):

        def __init__(self, path):

                DockyItem.__init__(self, path)

                self.timer = 0

                self.reader = None

                                

                self.bus.add_signal_receiver(self.name_owner_changed_cb,

                                             dbus_interface='org.freedesktop.DBus',

                                             signal_name='NameOwnerChanged')

                                             

                obj = self.bus.get_object ("org.freedesktop.DBus", "/org/freedesktop/DBus")

                self.bus_interface = dbus.Interface(obj, "org.freedesktop.DBus")

                

                self.bus_interface.ListNames (reply_handler=self.list_names_handler, error_handler=self.list_names_error_handler)

 

        def list_names_handler(self, names):

                if lifereabus in names:

                        self.init_liferea_objects()

                        self.update_badge()

 

        def list_names_error_handler(self, error):

                print "error getting bus names - %s" % str(error)

        

        def name_owner_changed_cb(self, name, old_owner, new_owner):

                if name == lifereabus:

                        if new_owner:

                                self.init_liferea_objects()

                        else:

                                self.reader = None

                                if self.timer > 0:

                                        gobject.source_remove (self.timer)

                                        self.timer = 0

                                self.update_badge()

        

        def init_liferea_objects(self):

                obj = self.bus.get_object(lifereabus, readerpath)

                self.reader = dbus.Interface(obj, readeriface)

                

                if not self.timer > 0:

                        self.timer = gobject.timeout_add (10000, self.update_badge)

 

        def update_badge(self):

                if not self.reader:

                        self.iface.ResetBadgeText()

                        return False

                

                items_unread = self.reader.GetUnreadItems()

                #items_new = self.reader.GetNewItems()

                if items_unread > 0:

                        self.iface.SetBadgeText("%s" % items_unread)

                else:

                        self.iface.ResetBadgeText()

                return True

 

class DockyLifereaSink(DockySink):

        def item_path_found(self, pathtoitem, item):

                if item.GetOwnsDesktopFile() and item.GetDesktopFile().endswith ("liferea.desktop"):

                        self.items[pathtoitem] = DockyLifereaItem(pathtoitem)

 

dockysink = DockyLifereaSink()

 

def cleanup ():

        dockysink.dispose ()

 

if __name__ == "__main__":

        mainloop = gobject.MainLoop(is_running=True)

 

        atexit.register (cleanup)

        signal(SIGTERM, lambda signum, stack_frame: exit(1))

 

        mainloop.run()