| 1 | #!/usr/bin/python -Wall |
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| 2 | |
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| 3 | import dbus |
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| 4 | import dbus.mainloop.glib |
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| 5 | import gtk |
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| 6 | import gtk.glade |
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| 7 | import gobject |
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| 8 | import sys |
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| 9 | import os |
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| 10 | import subprocess |
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| 11 | |
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| 12 | SM_DBUS_NAME = "org.gnome.SessionManager" |
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| 13 | SM_DBUS_PATH = "/org/gnome/SessionManager" |
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| 14 | SM_DBUS_INTERFACE = "org.gnome.SessionManager" |
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| 15 | SM_CLIENT_DBUS_INTERFACE = "org.gnome.SessionManager.ClientPrivate" |
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| 16 | APP_ID = "debathena-branding" |
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| 17 | GLADE_FILE="/usr/share/debathena-branding/debathena-branding.glade" |
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| 18 | DEBATHENA_LOGO_FILE="/usr/share/pixmaps/debathena.png" |
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| 19 | |
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| 20 | class Branding: |
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| 21 | def __init__(self): |
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| 22 | self.sessionEnding = False |
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| 23 | self.sessionBus = dbus.SessionBus() |
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| 24 | try: |
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| 25 | self.register_with_sm() |
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| 26 | self.init_sm_client() |
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| 27 | except: |
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| 28 | print "Warning: Cannot register with session manager." |
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| 29 | |
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| 30 | try: |
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| 31 | self.xml = gtk.glade.XML(GLADE_FILE) |
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| 32 | except: |
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| 33 | print "Could not load Glade XML: %s" % (GLADE_FILE) |
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| 34 | sys.exit(1) |
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| 35 | |
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| 36 | |
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| 37 | self.winWelcome = self.xml.get_widget('winWelcome') |
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| 38 | moveY = 200 |
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| 39 | logoScale = 0.60 |
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| 40 | if gtk.gdk.screen_height() < 864: |
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| 41 | # Here's a nickel, buy a real display |
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| 42 | moveY = 0 |
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| 43 | logoScale = 0.40 |
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| 44 | self.winWelcome.move((gtk.gdk.screen_width() - self.winWelcome.get_size()[0]) / 2, moveY) |
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| 45 | self.imgDebathena = self.xml.get_widget('imgDebathena') |
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| 46 | try: |
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| 47 | pixbuf = gtk.gdk.pixbuf_new_from_file(DEBATHENA_LOGO_FILE) |
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| 48 | self.imgDebathena.set_from_pixbuf(pixbuf.scale_simple(int(pixbuf.get_width() * logoScale), int(pixbuf.get_height() * logoScale), gtk.gdk.INTERP_BILINEAR)) |
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| 49 | except: |
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| 50 | # Just don't display the image if it's missing |
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| 51 | pass |
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| 52 | self.winBranding = self.xml.get_widget('winBranding') |
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| 53 | self.lblBranding = self.xml.get_widget('lblBranding') |
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| 54 | try: |
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| 55 | metapackage = subprocess.Popen(["machtype", "-L"], stdout=subprocess.PIPE).communicate()[0].rstrip() |
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| 56 | except OSError: |
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| 57 | metapackage = '(error)' |
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| 58 | try: |
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| 59 | baseos = subprocess.Popen(["machtype", "-E"], stdout=subprocess.PIPE).communicate()[0].rstrip() |
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| 60 | except OSError: |
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| 61 | baseos = '(error)' |
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| 62 | self.lblBranding.set_text(metapackage + "\n" + baseos) |
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| 63 | self.winBranding.set_gravity(gtk.gdk.GRAVITY_SOUTH_EAST) |
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| 64 | width, height = self.winBranding.get_size() |
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| 65 | self.winBranding.move(gtk.gdk.screen_width() - width, gtk.gdk.screen_height() - height) |
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| 66 | |
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| 67 | # Connect to the session manager, and register our client. |
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| 68 | def register_with_sm(self): |
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| 69 | proxy = self.sessionBus.get_object(SM_DBUS_NAME, SM_DBUS_PATH) |
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| 70 | sm = dbus.Interface(proxy, SM_DBUS_INTERFACE) |
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| 71 | autostart_id = os.getenv("DESKTOP_AUTOSTART_ID", default="") |
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| 72 | self.smClientId = sm.RegisterClient(APP_ID, autostart_id) |
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| 73 | |
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| 74 | # Set up to handle signals from the session manager. |
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| 75 | def init_sm_client(self): |
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| 76 | proxy = self.sessionBus.get_object(SM_DBUS_NAME, self.smClientId) |
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| 77 | self.smClient = dbus.Interface(proxy, SM_CLIENT_DBUS_INTERFACE) |
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| 78 | self.smClient.connect_to_signal("QueryEndSession", |
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| 79 | self.sm_on_QueryEndSession) |
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| 80 | self.smClient.connect_to_signal("EndSession", self.sm_on_EndSession) |
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| 81 | self.smClient.connect_to_signal("CancelEndSession", |
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| 82 | self.sm_on_CancelEndSession) |
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| 83 | self.smClient.connect_to_signal("Stop", self.sm_on_Stop) |
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| 84 | |
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| 85 | # Here on a QueryEndSession signal from the session manager. |
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| 86 | def sm_on_QueryEndSession(self, flags): |
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| 87 | self.sessionEnding = True |
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| 88 | # Response args: is_ok, reason. |
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| 89 | self.smClient.EndSessionResponse(True, "") |
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| 90 | |
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| 91 | # Here on an EndSession signal from the session manager. |
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| 92 | def sm_on_EndSession(self, flags): |
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| 93 | self.sessionEnding = True |
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| 94 | # Response args: is_ok, reason. |
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| 95 | self.smClient.EndSessionResponse(True, "") |
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| 96 | |
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| 97 | # Here on a CancelEndSession signal from the session manager. |
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| 98 | def sm_on_CancelEndSession(self): |
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| 99 | self.sessionEnding = False |
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| 100 | |
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| 101 | # Here on a Stop signal from the session manager. |
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| 102 | def sm_on_Stop(self): |
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| 103 | gtk.main_quit() |
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| 104 | |
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| 105 | def main(): |
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| 106 | dbus.mainloop.glib.DBusGMainLoop(set_as_default=True) |
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| 107 | Branding() |
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| 108 | gtk.main() |
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| 109 | |
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| 110 | if __name__ == '__main__': |
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| 111 | main() |
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