view: Let views handle subscription range

Instead of GcalWindow handling the ranges themselves,
delegate this responsibility to the views.

src/views/gcal-month-view.c

@@ -1194,6 +1194,32 @@ gcal_month_view_get_children_by_uuid (GcalView              *view,
   return filter_event_list_by_uid_and_modtype (children, mod, uuid);
 }
 
+static void
+gcal_month_view_update_subscription (GcalView *view)
+{
+  g_autoptr (GDateTime) date_start = NULL;
+  g_autoptr (GDateTime) date_end = NULL;
+  GcalMonthView *self;
+  time_t range_start;
+  time_t range_end;
+
+  self = GCAL_MONTH_VIEW (view);
+
+  g_assert (self->date != NULL);
+  date_start = g_date_time_new_local (g_date_time_get_year (self->date),
+                                      g_date_time_get_month (self->date),
+                                      1, 0, 0, 0);
+  range_start = g_date_time_to_unix (date_start);
+
+  date_end = g_date_time_add_months (date_start, 1);
+  range_end = g_date_time_to_unix (date_end);
+
+  gcal_manager_set_subscriber (gcal_context_get_manager (self->context),
+                               E_CAL_DATA_MODEL_SUBSCRIBER (self),
+                               range_start,
+                               range_end);
+}
+
 static void
 gcal_view_interface_init (GcalViewInterface *iface)
 {
@@ -1201,6 +1227,7 @@ gcal_view_interface_init (GcalViewInterface *iface)
   iface->set_date = gcal_month_view_set_date;
   iface->clear_marks = gcal_month_view_clear_marks;
   iface->get_children_by_uuid = gcal_month_view_get_children_by_uuid;
+  iface->update_subscription = gcal_month_view_update_subscription;
 }
 
 

src/views/gcal-view.c

@@ -19,6 +19,7 @@
 
 #define G_LOG_DOMAIN "GcalView"
 
+#include "gcal-debug.h"
 #include "gcal-event-widget.h"
 #include "gcal-view.h"
 #include "gcal-utils.h"
@@ -190,3 +191,22 @@ gcal_view_get_children_by_uuid (GcalView              *view,
 
   return GCAL_VIEW_GET_IFACE (view)->get_children_by_uuid (view, mod, uuid);
 }
+
+/**
+ * gcal_view_update_subscription:
+ * @self: a #GcalView
+ *
+ * Asks @self to update its #ECalDataModel subscription range. This
+ * is called after gcal_view_set_date(), and it's safe to assume that
+ * @self's active date is correct.
+ */
+void
+gcal_view_update_subscription (GcalView *self)
+{
+  g_return_if_fail (GCAL_IS_VIEW (self));
+  g_return_if_fail (GCAL_VIEW_GET_IFACE (self)->update_subscription);
+
+  g_debug ("Updating subscription of %s", G_OBJECT_TYPE_NAME (self));
+
+  GCAL_VIEW_GET_IFACE (self)->update_subscription (self);
+}

src/views/gcal-view.h

@@ -48,6 +48,8 @@ struct _GcalViewInterface
   void               (*set_date)                                 (GcalView           *view,
                                                                   GDateTime          *date);
 
+  void               (*update_subscription)                      (GcalView           *self);
+
   /* Marks related API */
   void               (*clear_marks)                              (GcalView           *view);
 
@@ -69,6 +71,8 @@ GList*               gcal_view_get_children_by_uuid              (GcalView
                                                                   GcalRecurrenceModType  mod,
                                                                   const gchar           *uuid);
 
+void                 gcal_view_update_subscription               (GcalView              *self);
+
 
 G_END_DECLS
 

src/views/gcal-week-view.c

@@ -226,6 +226,28 @@ gcal_week_view_clear_marks (GcalView *view)
   gcal_week_grid_clear_marks (GCAL_WEEK_GRID (self->week_grid));
 }
 
+static void
+gcal_week_view_update_subscription (GcalView *view)
+{
+  g_autoptr (GDateTime) date_start = NULL;
+  g_autoptr (GDateTime) date_end = NULL;
+  GcalWeekView *self;
+  time_t range_start;
+  time_t range_end;
+
+  self = GCAL_WEEK_VIEW (view);
+  date_start = gcal_date_time_get_start_of_week (self->date);
+  range_start = g_date_time_to_unix (date_start);
+
+  date_end = gcal_date_time_get_end_of_week (self->date);
+  range_end = g_date_time_to_unix (date_end);
+
+  gcal_manager_set_subscriber (gcal_context_get_manager (self->context),
+                               E_CAL_DATA_MODEL_SUBSCRIBER (self),
+                               range_start,
+                               range_end);
+}
+
 static void
 gcal_view_interface_init (GcalViewInterface *iface)
 {
@@ -233,6 +255,7 @@ gcal_view_interface_init (GcalViewInterface *iface)
   iface->set_date = gcal_week_view_set_date;
   iface->get_children_by_uuid = gcal_week_view_get_children_by_uuid;
   iface->clear_marks = gcal_week_view_clear_marks;
+  iface->update_subscription = gcal_week_view_update_subscription;
 }
 
 static void

src/views/gcal-year-view.c

@@ -1587,6 +1587,28 @@ gcal_year_view_get_children_by_uuid (GcalView              *view,
   return result;
 }
 
+static void
+gcal_year_view_update_subscription (GcalView *view)
+{
+  g_autoptr (GDateTime) date_start = NULL;
+  g_autoptr (GDateTime) date_end = NULL;
+  GcalYearView *self;
+  time_t range_start;
+  time_t range_end;
+
+  self = GCAL_YEAR_VIEW (view);
+  date_start = g_date_time_new_local (g_date_time_get_year (self->date), 1, 1, 0, 0, 0);
+  range_start = g_date_time_to_unix (date_start);
+
+  date_end = g_date_time_add_years (date_start, 1);
+  range_end = g_date_time_to_unix (date_end);
+
+  gcal_manager_set_subscriber (gcal_context_get_manager (self->context),
+                               E_CAL_DATA_MODEL_SUBSCRIBER (self),
+                               range_start,
+                               range_end);
+}
+
 static void
 gcal_view_interface_init (GcalViewInterface *iface)
 {
@@ -1594,6 +1616,7 @@ gcal_view_interface_init (GcalViewInterface *iface)
   iface->get_date = gcal_year_view_get_date;
   iface->set_date = gcal_year_view_set_date;
   iface->get_children_by_uuid = gcal_year_view_get_children_by_uuid;
+  iface->update_subscription = gcal_year_view_update_subscription;
 }
 
 static void