From f74196ab62feda4729de279cb57873ac4eae6553 Mon Sep 17 00:00:00 2001
From: Tomeu Vizoso <tomeu@tomeuvizoso.net>
Date: Thu, 18 Sep 2008 12:13:42 +0000
Subject: #8485 Disconnect some signals to prevent mem leaks.

---
diff --git a/src/model/homeactivity.py b/src/model/homeactivity.py
index 9dc4f9c..6df4ddd 100644
--- a/src/model/homeactivity.py
+++ b/src/model/homeactivity.py
@@ -67,11 +67,13 @@ class HomeActivity(gobject.GObject):
 
         self._retrieve_service()
 
+        self._name_owner_changed_handler = None
         if not self._service:
             bus = dbus.SessionBus()
-            bus.add_signal_receiver(self._name_owner_changed_cb,
-                                    signal_name="NameOwnerChanged",
-                                    dbus_interface="org.freedesktop.DBus")
+            self._name_owner_changed_handler = bus.add_signal_receiver(
+                    self._name_owner_changed_cb,
+                    signal_name="NameOwnerChanged",
+                    dbus_interface="org.freedesktop.DBus")
 
     def set_window(self, window):
         """Set the window for the activity
@@ -220,6 +222,8 @@ class HomeActivity(gobject.GObject):
         if name == self._get_service_name():
             self._retrieve_service()
             self.set_active(True)
+            self._name_owner_changed_handler.remove()
+            self._name_owner_changed_handler = None
 
     def set_active(self, state):
         """Propagate the current state to the activity object"""
diff --git a/src/view/BuddyMenu.py b/src/view/BuddyMenu.py
index 57ad84d..427ac3d 100644
--- a/src/view/BuddyMenu.py
+++ b/src/view/BuddyMenu.py
@@ -51,6 +51,8 @@ class BuddyMenu(Palette):
         if self._active_activity_changed_hid is not None:
             home_model = self._get_home_model()
             home_model.disconnect(self._active_activity_changed_hid)
+        self._buddy.disconnect_by_func(self._buddy_icon_changed_cb)
+        self._buddy.disconnect_by_func(self._buddy_nick_changed_cb)
 
     def _add_items(self):
         friends = shellmodel.get_instance().get_friends()
diff --git a/src/view/frame/friendstray.py b/src/view/frame/friendstray.py
index b9d8c07..7236d75 100644
--- a/src/view/frame/friendstray.py
+++ b/src/view/frame/friendstray.py
@@ -83,6 +83,7 @@ class FriendsTray(VTray):
     def clear(self):
         for item in self.get_children():
             self.remove_item(item)
+            item.destroy()
         self._buddies = {}
 
     def __activity_appeared_cb(self, pservice, activity_ps):
diff --git a/src/view/home/favoritesview.py b/src/view/home/favoritesview.py
index b36e664..e89f30f 100644
--- a/src/view/home/favoritesview.py
+++ b/src/view/home/favoritesview.py
@@ -379,6 +379,10 @@ class CurrentActivityIcon(CanvasIcon, hippo.CanvasItem):
         self.props.xo_color = home_activity.get_icon_color()
         self.props.size = style.STANDARD_ICON_SIZE
 
+        if self.palette is not None:
+            self.palette.destroy()
+            self.palette = None
+
         if home_activity.is_journal():
             palette = JournalPalette(home_activity)
         else:
diff --git a/src/view/launchwindow.py b/src/view/launchwindow.py
index e4494ad..d954abc 100644
--- a/src/view/launchwindow.py
+++ b/src/view/launchwindow.py
@@ -79,6 +79,11 @@ class LaunchBox(hippo.CanvasBox):
         self._home.connect('active-activity-changed',
                            self.__active_activity_changed_cb)
 
+        self.connect('destroy', self.__destroy_cb)
+
+    def __destroy_cb(self, box):
+        self._home.disconnect_by_func(self.__active_activity_changed_cb)
+
     def zoom_in(self):
         self._activity_icon.props.size = style.STANDARD_ICON_SIZE
 
diff --git a/src/view/palettes.py b/src/view/palettes.py
index dc04af8..416ff0f 100644
--- a/src/view/palettes.py
+++ b/src/view/palettes.py
@@ -123,9 +123,15 @@ class ActivityPalette(Palette):
         menu_item.show()
 
         registry = activity.get_registry()
-        registry.connect('activity_changed', self.__activity_changed_cb)
+        self._activity_changed_sid = registry.connect('activity_changed',
+                self.__activity_changed_cb)
         self._update_favorite_item()
 
+        self.connect('destroy', self.__destroy_cb)
+
+    def __destroy_cb(self, palette):
+        self.disconnect(self._activity_changed_sid)
+
     def _update_favorite_item(self):
         label = self._favorite_item.child
         if self._favorite:
--
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