window: update subscriptions after active-date

notification

Some views need to update itself when the dates changes,
e.g. WeekView. This allows to update the state of the view and be ready
properly for the components update.

src/gcal-window.c

@@ -276,13 +276,18 @@ update_active_date (GcalWindow   *window,
 
   time_t range_start, range_end;
   icaltimetype date;
+  icaltimetype *previous_date;
   icaltimezone* default_zone;
 
   priv = gcal_window_get_instance_private (window);
   default_zone = gcal_manager_get_system_timezone (priv->manager);
 
+  previous_date = priv->active_date;
+  priv->active_date = new_date;
+  g_object_notify (G_OBJECT (window), "active-date");
+
   /* year_view */
-  if (priv->active_date->year != new_date->year)
+  if (previous_date->year != new_date->year)
     {
       date = *new_date;
       date.day = 1;
@@ -303,7 +308,7 @@ update_active_date (GcalWindow   *window,
     }
 
   /* month_view */
-  if (priv->active_date->month != new_date->month || priv->active_date->year != new_date->year)
+  if (previous_date->month != new_date->month || previous_date->year != new_date->year)
     {
       date = *new_date;
       date.day = 1;
@@ -321,8 +326,7 @@ update_active_date (GcalWindow   *window,
       gcal_manager_set_subscriber (priv->manager, E_CAL_DATA_MODEL_SUBSCRIBER (priv->month_view), range_start, range_end);
     }
 
-    g_free (priv->active_date);
-    priv->active_date = new_date;
+  g_free (previous_date);
 }
 
 static gboolean
@@ -391,7 +395,6 @@ date_updated (GtkButton  *button,
     }
 
   update_active_date (user_data, new_date);
-  g_object_notify (user_data, "active-date");
 }
 
 static void