Simplify calendar views

We don't need a split subscription update step in GcalView
anymore, since subscribers communicate range directly to
the timeline now.

src/core/gcal-manager.c

@@ -788,28 +788,19 @@ gcal_manager_set_default_calendar (GcalManager  *self,
 }
 
 /**
- * gcal_manager_set_subscriber:
+ * gcal_manager_get_timeline:
  * @self: a #GcalManager
- * @subscriber: a #ECalDataModelSubscriber
- * @range_start: the start of the range
- * @range_end: the end of the range
  *
- * Sets the @subscriber to show events between @range_start
- * and @range_end.
+ * Retrieves the default timeline of GNOME Calendar.
+ *
+ * Returns: (transfer none): a #GcalTimeline
  */
-void
-gcal_manager_set_subscriber (GcalManager             *self,
-                             ECalDataModelSubscriber *subscriber,
-                             time_t                   range_start,
-                             time_t                   range_end)
+GcalTimeline*
+gcal_manager_get_timeline (GcalManager *self)
 {
-  GCAL_ENTRY;
+  g_return_val_if_fail (GCAL_IS_MANAGER (self), NULL);
 
-  g_return_if_fail (GCAL_IS_MANAGER (self));
-
-  gcal_timeline_add_subscriber (self->timeline, GCAL_TIMELINE_SUBSCRIBER (subscriber));
-
-  GCAL_EXIT;
+  return self->timeline;
 }
 
 /**

src/core/gcal-manager.h

@@ -43,10 +43,7 @@ GcalCalendar*        gcal_manager_get_default_calendar           (GcalManager
 void                 gcal_manager_set_default_calendar           (GcalManager        *self,
                                                                   GcalCalendar       *calendar);
 
-void                 gcal_manager_set_subscriber                 (GcalManager        *self,
-                                                                  ECalDataModelSubscriber *subscriber,
-                                                                  time_t              range_start,
-                                                                  time_t              range_end);
+GcalTimeline*        gcal_manager_get_timeline                   (GcalManager        *self);
 
 void                 gcal_manager_set_query                      (GcalManager        *self,
                                                                   const gchar        *query);