[orca] Refactor: Remove a no-longer-used function; add a check to the event manager if we need to shutdown

[Joanmarie Diggs <joanied src gnome org>]

commit 8d48beec6d7009e92cfaa2d0009ec03b005b8a66
Author: Joanmarie Diggs <jdiggs igalia com>
Date:   Wed Dec 28 09:32:22 2011 -0500

    Refactor: Remove a no-longer-used function; add a check to the event manager if we need to shutdown

 src/orca/event_manager.py |    2 ++
 src/orca/orca.py          |   24 ------------------------
 2 files changed, 2 insertions(+), 24 deletions(-)
---
diff --git a/src/orca/event_manager.py b/src/orca/event_manager.py
index d8e26e7..ea3fa53 100644
--- a/src/orca/event_manager.py
+++ b/src/orca/event_manager.py
@@ -468,6 +468,8 @@ class EventManager:
                     _scriptManager.reclaimScripts()
                     if settings.debugMemoryUsage:
                         orca.cleanupGarbage()
+                    if not event.source.childCount:
+                        orca.shutdown()
                     return
             except (LookupError, RuntimeError):
                 # If we got this error here, we'll get it again when we
diff --git a/src/orca/orca.py b/src/orca/orca.py
index 38cf9fc..6ac011c 100644
--- a/src/orca/orca.py
+++ b/src/orca/orca.py
@@ -657,30 +657,6 @@ def setLocusOfFocus(event, obj, notifyScript=True, force=False):
         orca_state.activeScript.locusOfFocusChanged(
             event, oldLocusOfFocus, orca_state.locusOfFocus)
 
-def _onChildrenChanged(e):
-    """Tracks children-changed events on the desktop to determine when
-    apps start and stop.
-
-    Arguments:
-    - e: at-spi event from the at-api registry
-    """
-
-    desktop = pyatspi.Registry.getDesktop(0)
-    if e.source == desktop:
-
-        # If the desktop is empty, the user has logged out-- shutdown Orca
-        #
-        try:
-            if desktop.childCount == 0:
-                if not _settingsManager.getSetting('onlySpeakDisplayedText'):
-                    speech.speak(_("Goodbye."))
-                shutdown()
-                return
-        except: # could be a CORBA.COMM_FAILURE
-            debug.printException(debug.LEVEL_FINEST)
-            shutdown()
-            return
-
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