Update the activity ring wedge sizes more often

(immediately before switching to the Home view, and on a timer after that)

shell/view/home/HomeBox.py

@@ -63,6 +63,11 @@ class HomeBox(hippo.CanvasBox, hippo.CanvasItem):
         devices_model.connect('device-disappeared',
                               self._device_disappeared_cb)
 
+        self._redraw_id = None
+
+    def __del__(self):
+        self.suspend()
+
     def _add_device(self, device):
         view = deviceview.create(device)
         self.append(view, hippo.PACK_FIXED)
@@ -103,6 +108,23 @@ class HomeBox(hippo.CanvasBox, hippo.CanvasItem):
 
             i += 1
                   
+    _REDRAW_TIMEOUT = 5 * 60 * 1000 # 5 minutes
+
+    def resume(self):
+        self._redraw_activity_ring()
+        if self._redraw_id is None:
+            self._redraw_id = gobject.timeout_add(self._REDRAW_TIMEOUT,
+                                                  self._redraw_activity_ring)
+
+    def suspend(self):
+        if self._redraw_id is not None:
+            gobject.source_remove(self._redraw_id)
+            self._redraw_id = None
+
+    def _redraw_activity_ring(self):
+        self._donut.emit_request_changed()
+        return True
+
     def has_activities(self):
         return self._donut.has_activities()
 

shell/view/home/HomeWindow.py

@@ -64,6 +64,7 @@ class HomeWindow(gtk.Window):
         self._mesh_box = MeshBox(shell)
         self._transition_box = TransitionBox()
 
+        self._activate_view()
         self._canvas.set_root(self._home_box)
         
         self._transition_box.connect('completed',
@@ -93,22 +94,28 @@ class HomeWindow(gtk.Window):
         if keyname == "Alt_L":
             self._home_box.release()
 
-    def _update_mesh_state(self):
-        if self._active and self._level == ShellModel.ZOOM_MESH:
-            self._mesh_box.resume()
-        else:
+    def _deactivate_view(self):
+        if self._level == ShellModel.ZOOM_HOME:
+            self._home_box.suspend()
+        elif self._level == ShellModel.ZOOM_MESH:
             self._mesh_box.suspend()
 
+    def _activate_view(self):
+        if self._level == ShellModel.ZOOM_HOME:
+            self._home_box.resume()
+        elif self._level == ShellModel.ZOOM_MESH:
+            self._mesh_box.resume()
+
     def _focus_in_cb(self, widget, event):
-        self._active = True
-        self._update_mesh_state()
+        self._activate_view()
 
     def _focus_out_cb(self, widget, event):
-        self._active = False
-        self._update_mesh_state()
-            
+        self._deactivate_view()
+
     def set_zoom_level(self, level):
+        self._deactivate_view()
         self._level = level
+        self._activate_view()
     
         self._canvas.set_root(self._transition_box)
 
@@ -129,7 +136,5 @@ class HomeWindow(gtk.Window):
         elif self._level == ShellModel.ZOOM_MESH:
             self._canvas.set_root(self._mesh_box)
 
-        self._update_mesh_state()
-        
     def get_home_box(self):
         return self._home_box