'''
SVPlayer screensaver disabler objects

(c) 2011 Jan ONDREJ (SAL) <ondrejj(at)salstar.sk>     

 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.
'''

import os

class gnome_screensaver_command:
  command = "gnome-screensaver-command -d"
  def poke(self):
      os.system(self.command)
  def startup(self, window):
      self.poke()
  def inhibit(self, name="svplayer", reason="Playing fullscreen"):
      pass
  def uninhibit(self):
      pass

class xscreensaver_command:
  command = "xscreensaver-command -deactivate"
  def poke(self):
      os.system(self.command)
  def startup(self, window):
      self.poke()
  def inhibit(self, name="svplayer", reason="Playing fullscreen"):
      pass
  def uninhibit(self):
      pass

class gnome2_screensaver_dbus(gnome_screensaver_command):
  def __init__(self):
      self.init_done = False
      self.iface = None
  def initialize(self, dbus_name="ScreenSaver"):
      self.init_done = True
      try:
        import dbus
        self.bus = dbus.SessionBus()
        iface = dbus.Interface(
          self.bus.get_object(
            'org.gnome.%s' % dbus_name,
            "/org/gnome/%s" % dbus_name
          ),
          'org.gnome.%s' % dbus_name
        )
      except Exception, e:
        print "Screensaver error:", e
        iface = None
      self.cookie = None
      return iface
  def startup(self, window):
      self.iface = self.initialize()
      self.inhibit()
      self.uninhibit()
  def inhibit(self, name="svplayer", reason="Playing fullscreen"):
      if self.iface:
        self.cookie = self.iface.Inhibit(name, reason)
  def uninhibit(self):
      if self.iface and self.cookie is not None:
        self.iface.UnInhibit(self.cookie)
        self.cookie = None

class gnome3_screensaver_dbus(gnome2_screensaver_dbus):
  def __init__(self):
      self.init_done = False
      self.iface = None
      self.window = None
  def startup(self, window):
      self.window = window
      self.ssiface = self.initialize()
      self.iface = self.initialize("SessionManager")
      self.inhibit()
      self.uninhibit()
  def poke(self):
      if self.ssiface:
        self.ssiface.SetActive(False)
  def inhibit(self, name="svplayer", reason="Playing fullscreen"):
      if self.iface:
        self.cookie = self.iface.Inhibit(
          name,
          self.window.get_xid(),
          reason,
          8 # = Inhibit the session being marked as idle
        )
  def uninhibit(self):
      if self.iface and self.cookie is not None:
        self.iface.Uninhibit(self.cookie)
        self.cookie = None

if __name__ == "__main__":
  ss = gnome3_screensaver_dbus()
  ss.initialize()
  ss.startup(None)
  ss.inhibit()
  ss.poke()