From 49dd11de789ee68962af03d821adbc0adde4e274 Mon Sep 17 00:00:00 2001
From: Tomeu Vizoso <tomeu@sugarlabs.org>
Date: Mon, 23 Feb 2009 18:11:14 +0000
Subject: Switch to existing instance of an activity if it's already running #410

---
(limited to 'src/jarabe')

diff --git a/src/jarabe/desktop/meshbox.py b/src/jarabe/desktop/meshbox.py
index eb6cc80..e56c4d5 100644
--- a/src/jarabe/desktop/meshbox.py
+++ b/src/jarabe/desktop/meshbox.py
@@ -44,6 +44,7 @@ from jarabe.desktop.spreadlayout import SpreadLayout
 from jarabe.desktop import keydialog
 from jarabe.model import bundleregistry
 from jarabe.model import network
+from jarabe.model import shell
 from jarabe.model.network import Settings
 from jarabe.model.network import WirelessSecurity
 
@@ -467,16 +468,20 @@ class ActivityView(hippo.CanvasBox):
         icon.destroy()
 
     def _clicked_cb(self, item):
-        bundle_id = self._model.get_bundle_id()
-
-        handle = ActivityHandle(self._model.get_id())
+        shell_model = shell.get_model()
+        activity = shell_model.get_activity_by_id(self._model.get_id())
+        if activity:
+            activity.get_window().activate(gtk.get_current_event_time())
+            return
 
+        bundle_id = self._model.get_bundle_id()
         bundle = bundleregistry.get_registry().get_bundle(bundle_id)
 
         launcher.add_launcher(self._model.get_id(),
                               bundle.get_icon(),
                               self._model.get_color())
 
+        handle = ActivityHandle(self._model.get_id())
         activityfactory.create(bundle, handle)
 
     def set_filter(self, query):
diff --git a/src/jarabe/model/shell.py b/src/jarabe/model/shell.py
index bf81dfd..561cbf6 100644
--- a/src/jarabe/model/shell.py
+++ b/src/jarabe/model/shell.py
@@ -169,7 +169,10 @@ class Activity(gobject.GObject):
 
     def get_xid(self):
         """Retrieve the X-windows ID of our root window"""
-        return self._window.get_xid()
+        if self._window is not None:
+            return self._window.get_xid()
+        else:
+            return None
 
     def get_window(self):
         """Retrieve the X-windows root window of this application
--
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