From 2fea25d3d1233e56f92b0d0ca6eee51eee749270 Mon Sep 17 00:00:00 2001
From: Simon Schampijer <simon@schampijer.de>
Date: Fri, 27 Jul 2007 16:06:03 +0000
Subject: Free the audio device when not in focus

We free the audio device and stop the csound performance
when not visible and start it again when in focus. This
allows to have several instances on one machine.
Commented out to printouts in the svgcard.
---
(limited to 'activity.py')

diff --git a/activity.py b/activity.py
index bb8c101..849f87a 100755
--- a/activity.py
+++ b/activity.py
@@ -95,9 +95,13 @@ class MemorizeActivity(Activity):
         
         self.show_all()
         
+        # connect to the in/out events of the memorize activity
+        self.connect('focus_in_event', self._focus_in)
+        self.connect('focus_out_event', self._focus_out)
+        self.connect('destroy', self._cleanup_cb)
+
         # Get the Presence Service
         self.pservice = presenceservice.get_instance()
-        bus = dbus.Bus()
         name, path = self.pservice.get_preferred_connection()
         self.tp_conn_name = name
         self.tp_conn_path = path
@@ -270,3 +274,18 @@ class MemorizeActivity(Activity):
         else:
             _logger.debug("buddy left - _buddy_left_cb: %s", buddy.props.nick)
             self.game.rem_buddy(buddy)
+
+    def _focus_in(self, event, data=None):
+        if self.game.sound == 1:
+            self.game.cs.start()
+            _logger.debug(" Memorize is visible: start csound server. ")
+        
+    def _focus_out(self, event, data=None):
+        if self.game.sound == 1:
+            self.game.cs.pause()
+            _logger.debug(" Memorize is invisible: pause csound server. ")
+        
+    def _cleanup_cb(self, data=None):
+        if self.game.sound == 1:
+            self.game.cs.quit()        
+            _logger.debug(" Memorize closes: close csound server. ")
--
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