Merge branch 'master' of git+ssh://dev.laptop.org/git/sugar

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   

shell/view/home/activitiesdonut.py

@@ -16,6 +16,7 @@
 
 import colorsys
 from gettext import gettext as _
+import logging
 import math
 
 import hippo
@@ -317,10 +318,12 @@ class ActivitiesDonut(hippo.CanvasBox, hippo.CanvasItem):
                              'expected format' % pid)
 
         # Next, see how much free memory is left.
+        free_memory = 0
         try:
             meminfo = open('/proc/meminfo')
-            meminfo.readline()
-            free_memory = int(meminfo.readline()[9:-3])
+            for line in meminfo.readlines():
+                if line.startswith('MemFree:') or line.startswith('SwapFree:'):
+                    free_memory += int(line[9:-3])
             meminfo.close()
         except IOError:
             logging.warn('ActivitiesDonut: could not read /proc/meminfo')