| 1 | #!/usr/bin/python -Wall |
|---|
| 2 | |
|---|
| 3 | import dbus |
|---|
| 4 | import dbus.mainloop.glib |
|---|
| 5 | import gtk |
|---|
| 6 | import gtk.glade |
|---|
| 7 | import gobject |
|---|
| 8 | import sys |
|---|
| 9 | import os |
|---|
| 10 | import subprocess |
|---|
| 11 | |
|---|
| 12 | SM_DBUS_NAME = "org.gnome.SessionManager" |
|---|
| 13 | SM_DBUS_PATH = "/org/gnome/SessionManager" |
|---|
| 14 | SM_DBUS_INTERFACE = "org.gnome.SessionManager" |
|---|
| 15 | SM_CLIENT_DBUS_INTERFACE = "org.gnome.SessionManager.ClientPrivate" |
|---|
| 16 | APP_ID = "debathena-branding" |
|---|
| 17 | GLADE_FILE="/usr/share/debathena-branding/debathena-branding.glade" |
|---|
| 18 | DEBATHENA_LOGO_FILE="/usr/share/pixmaps/debathena.png" |
|---|
| 19 | |
|---|
| 20 | class Branding: |
|---|
| 21 | def __init__(self): |
|---|
| 22 | self.sessionEnding = False |
|---|
| 23 | self.sessionBus = dbus.SessionBus() |
|---|
| 24 | try: |
|---|
| 25 | self.register_with_sm() |
|---|
| 26 | self.init_sm_client() |
|---|
| 27 | except: |
|---|
| 28 | print "Warning: Cannot register with session manager." |
|---|
| 29 | |
|---|
| 30 | try: |
|---|
| 31 | self.xml = gtk.glade.XML(GLADE_FILE) |
|---|
| 32 | except: |
|---|
| 33 | print "Could not load Glade XML: %s" % (GLADE_FILE) |
|---|
| 34 | sys.exit(1) |
|---|
| 35 | |
|---|
| 36 | |
|---|
| 37 | self.winWelcome = self.xml.get_widget('winWelcome') |
|---|
| 38 | moveY = 200 |
|---|
| 39 | logoScale = 0.60 |
|---|
| 40 | if gtk.gdk.screen_height() <= 900: |
|---|
| 41 | moveY = 0 |
|---|
| 42 | logoScale = 0.40 |
|---|
| 43 | self.winWelcome.move((gtk.gdk.screen_width() - self.winWelcome.get_size()[0]) / 2, moveY) |
|---|
| 44 | self.imgDebathena = self.xml.get_widget('imgDebathena') |
|---|
| 45 | try: |
|---|
| 46 | pixbuf = gtk.gdk.pixbuf_new_from_file(DEBATHENA_LOGO_FILE) |
|---|
| 47 | self.imgDebathena.set_from_pixbuf(pixbuf.scale_simple(int(pixbuf.get_width() * logoScale), int(pixbuf.get_height() * logoScale), gtk.gdk.INTERP_BILINEAR)) |
|---|
| 48 | except: |
|---|
| 49 | # Just don't display the image if it's missing |
|---|
| 50 | pass |
|---|
| 51 | self.winBranding = self.xml.get_widget('winBranding') |
|---|
| 52 | self.lblBranding = self.xml.get_widget('lblBranding') |
|---|
| 53 | try: |
|---|
| 54 | metapackage = subprocess.Popen(["machtype", "-L"], stdout=subprocess.PIPE).communicate()[0].rstrip() |
|---|
| 55 | except OSError: |
|---|
| 56 | metapackage = '(error)' |
|---|
| 57 | try: |
|---|
| 58 | baseos = subprocess.Popen(["machtype", "-E"], stdout=subprocess.PIPE).communicate()[0].rstrip() |
|---|
| 59 | except OSError: |
|---|
| 60 | baseos = '(error)' |
|---|
| 61 | self.lblBranding.set_text(metapackage + "\n" + baseos) |
|---|
| 62 | self.winBranding.set_gravity(gtk.gdk.GRAVITY_SOUTH_EAST) |
|---|
| 63 | width, height = self.winBranding.get_size() |
|---|
| 64 | self.winBranding.move(gtk.gdk.screen_width() - width, gtk.gdk.screen_height() - height) |
|---|
| 65 | |
|---|
| 66 | # Connect to the session manager, and register our client. |
|---|
| 67 | def register_with_sm(self): |
|---|
| 68 | proxy = self.sessionBus.get_object(SM_DBUS_NAME, SM_DBUS_PATH) |
|---|
| 69 | sm = dbus.Interface(proxy, SM_DBUS_INTERFACE) |
|---|
| 70 | autostart_id = os.getenv("DESKTOP_AUTOSTART_ID", default="") |
|---|
| 71 | self.smClientId = sm.RegisterClient(APP_ID, autostart_id) |
|---|
| 72 | |
|---|
| 73 | # Set up to handle signals from the session manager. |
|---|
| 74 | def init_sm_client(self): |
|---|
| 75 | proxy = self.sessionBus.get_object(SM_DBUS_NAME, self.smClientId) |
|---|
| 76 | self.smClient = dbus.Interface(proxy, SM_CLIENT_DBUS_INTERFACE) |
|---|
| 77 | self.smClient.connect_to_signal("QueryEndSession", |
|---|
| 78 | self.sm_on_QueryEndSession) |
|---|
| 79 | self.smClient.connect_to_signal("EndSession", self.sm_on_EndSession) |
|---|
| 80 | self.smClient.connect_to_signal("CancelEndSession", |
|---|
| 81 | self.sm_on_CancelEndSession) |
|---|
| 82 | self.smClient.connect_to_signal("Stop", self.sm_on_Stop) |
|---|
| 83 | |
|---|
| 84 | # Here on a QueryEndSession signal from the session manager. |
|---|
| 85 | def sm_on_QueryEndSession(self, flags): |
|---|
| 86 | self.sessionEnding = True |
|---|
| 87 | # Response args: is_ok, reason. |
|---|
| 88 | self.smClient.EndSessionResponse(True, "") |
|---|
| 89 | |
|---|
| 90 | # Here on an EndSession signal from the session manager. |
|---|
| 91 | def sm_on_EndSession(self, flags): |
|---|
| 92 | self.sessionEnding = True |
|---|
| 93 | # Response args: is_ok, reason. |
|---|
| 94 | self.smClient.EndSessionResponse(True, "") |
|---|
| 95 | |
|---|
| 96 | # Here on a CancelEndSession signal from the session manager. |
|---|
| 97 | def sm_on_CancelEndSession(self): |
|---|
| 98 | self.sessionEnding = False |
|---|
| 99 | |
|---|
| 100 | # Here on a Stop signal from the session manager. |
|---|
| 101 | def sm_on_Stop(self): |
|---|
| 102 | gtk.main_quit() |
|---|
| 103 | |
|---|
| 104 | def main(): |
|---|
| 105 | dbus.mainloop.glib.DBusGMainLoop(set_as_default=True) |
|---|
| 106 | Branding() |
|---|
| 107 | gtk.main() |
|---|
| 108 | |
|---|
| 109 | if __name__ == '__main__': |
|---|
| 110 | main() |
|---|
