Bunch of fixes

shell/view/Shell.py

@@ -40,10 +40,13 @@ class Shell(gobject.GObject):
 
         self._key_handler = KeyHandler(self)
         self._popup_context = PopupContext()
+
         self._frame = Frame(self)
+        self._frame.show()
 
         self._home_window = HomeWindow(self)
         self._home_window.show()
+
         self._zoom_level = sugar.ZOOM_HOME
 
         home_model = self._model.get_home()
@@ -58,6 +61,8 @@ class Shell(gobject.GObject):
         activity_host = ActivityHost(home_activity)
         self._hosts[activity_host.get_xid()] = activity_host
 
+        self._frame.hide()
+
     def _activity_removed_cb(self, home_model, home_activity):
         if not home_activity.get_launched():
             return
@@ -80,6 +85,8 @@ class Shell(gobject.GObject):
         if self._current_host:
             self._current_host.set_active(True)
 
+        self._zoom_level = sugar.ZOOM_ACTIVITY
+
     def get_model(self):
         return self._model
 
@@ -135,15 +142,25 @@ class Shell(gobject.GObject):
         self.set_zoom_level(sugar.ZOOM_HOME)
 
     def set_zoom_level(self, level):
-        self._zoom_level = level
-        self._update_zoom_level()
+        if self._zoom_level == level:
+            return
+        if len(self._hosts) == 0 and level == sugar.ZOOM_ACTIVITY:
+            return
 
-    def _update_zoom_level(self):
-        if level == sugar.ZOOM_ACTIVITY:
+        if self._zoom_level == sugar.ZOOM_HOME:
+            self._frame.restore_state()
+
+        self._zoom_level = level
+
+        if self._zoom_level == sugar.ZOOM_ACTIVITY:
             self._screen.toggle_showing_desktop(False)
         else:
             self._screen.toggle_showing_desktop(True)
-            self._home_window.set_zoom_level(level)
+            self._home_window.set_zoom_level(self._zoom_level)
+
+        if self._zoom_level == sugar.ZOOM_HOME:
+            self._frame.save_state()     
+            self._frame.show()
 
     def get_current_activity(self):
         return self._current_host

shell/view/frame/ActivitiesBox.py

@@ -76,7 +76,6 @@ class ActivitiesBox(hippo.CanvasBox):
         self._invites.connect('invite-removed', self._invite_removed_cb)
 
     def _activity_clicked_cb(self, icon):
-        self._shell.get_frame().hide()
         self._shell.start_activity(icon.get_bundle_id())
 
     def _invite_clicked_cb(self, icon):

shell/view/frame/frame.py

@@ -155,11 +155,16 @@ class Frame(object):
         self._key_listener = _KeyListener(self)
         self._mouse_listener = _MouseListener(self)
 
+        self.save_state()
+
     def save_state(self):
         self._saved_state = _FrameState(self.visible, self.mode)
 
     def restore_state(self):
-        if self.saved_state.visible:
+        if self._saved_state == None:
+            return
+
+        if self._saved_state.visible:
             self.show()
         else:
             self.hide()