#5137 HIGH Update.: Watch and Listen does not release the sound device when not in focus

[Zarro Boogs per Child]

#5137: Watch and Listen does not release the sound device when not in focus
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  Reporter:  erikos          |       Owner:  kreneskyp
      Type:  defect          |      Status:  new      
  Priority:  high            |   Milestone:  Update.1 
 Component:  helix-activity  |     Version:           
Resolution:                  |    Keywords:           
  Verified:  0               |  
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Comment(by kreneskyp):

 added patch to stop the engine while inactive which releases the audio
 device.  This change requires that the link to the media file must be kept
 alive.  Currently that does not happen.  This patch also uses the
 datastore to retrieve the file but it introduces a new bug.

 After closing watch and listen it will then crash every time it is loaded
 with the following error.  No other errors are seen in logs for w&l or
 datastore.

 1196306592.7742 ERROR - root: Traceback (most recent call last):
   File "/usr/lib/python2.5/site-
 packages/sugar/activity/activityfactoryservice.py", line 115, in create
     activity = self._constructor(activity_handle)
   File "/usr/share/activities/Watch &
 Listen.activity/MediaPlayerActivity.py", line 143, in __init__
     activity.Activity.__init__ (self, handle)
   File "/usr/lib/python2.5/site-packages/sugar/activity/activity.py", line
 285, in __init__
     self._jobject = datastore.get(handle.object_id)
   File "/usr/lib/python2.5/site-packages/sugar/datastore/datastore.py",
 line 184, in get
     metadata = dbus_helpers.get_properties(object_id)
   File "/usr/lib/python2.5/site-packages/sugar/datastore/dbus_helpers.py",
 line 70, in get_properties
     return _get_data_store().get_properties(uid, byte_arrays=True)
   File "/usr/lib/python2.5/site-packages/dbus/proxies.py", line 136, in
 __call__
     **keywords)
   File "/usr/lib/python2.5/site-packages/dbus/connection.py", line 603, in
 call_blocking
     message, timeout)
 DBusException: org.freedesktop.DBus.Error.NoReply: Did not receive a
 reply. Possible causes include: the remote application did not send a
 reply, the message bus security policy blocked the reply, the reply
 timeout expired, or the network connection was broken.

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Ticket URL: <http://dev.laptop.org/ticket/5137#comment:5>
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