Bug 596601 (bnc) - monitor system timezone changes in evolution

4 files changed, 31 insertions, 12 deletions

diff --git a/calendar/gui/e-cal-model.c b/calendar/gui/e-cal-model.c
index 5cf20941b8..cb1966fb17 100644
--- a/calendar/gui/e-cal-model.c
+++ b/calendar/gui/e-cal-model.c
@@ -141,6 +141,7 @@ enum {
 	CAL_VIEW_PROGRESS,
 	CAL_VIEW_DONE,
 	STATUS_MESSAGE,
+	TIMEZONE_CHANGED,
 	LAST_SIGNAL
 };
 
@@ -474,6 +475,16 @@ e_cal_model_class_init (ECalModelClass *class)
 		e_marshal_VOID__STRING_DOUBLE,
 		G_TYPE_NONE, 2,
 		G_TYPE_STRING, G_TYPE_DOUBLE);
+	signals[TIMEZONE_CHANGED] = g_signal_new (
+		"timezone-changed",
+		G_TYPE_FROM_CLASS (class),
+		G_SIGNAL_RUN_LAST,
+		G_STRUCT_OFFSET (ECalModelClass, timezone_changed),
+		NULL, NULL,
+		e_marshal_VOID__POINTER_POINTER,
+		G_TYPE_NONE, 2,
+		G_TYPE_POINTER,
+		G_TYPE_POINTER);
 }
 
 static void
@@ -1434,12 +1445,14 @@ void
 e_cal_model_set_timezone (ECalModel *model,
                           icaltimezone *zone)
 {
+	icaltimezone *old_zone;
 	g_return_if_fail (E_IS_CAL_MODEL (model));
 
 	if (model->priv->zone == zone)
 		return;
 
 	e_table_model_pre_change (E_TABLE_MODEL (model));
+	old_zone = model->priv->zone;
 	model->priv->zone = zone;
 
 	/* the timezone affects the times shown for date fields,
@@ -1447,6 +1460,8 @@ e_cal_model_set_timezone (ECalModel *model,
 	e_table_model_changed (E_TABLE_MODEL (model));
 
 	g_object_notify (G_OBJECT (model), "timezone");
+	g_signal_emit (G_OBJECT (model), signals[TIMEZONE_CHANGED], 0,
+		       old_zone, zone);
 }
 
 void
diff --git a/calendar/gui/e-cal-model.h b/calendar/gui/e-cal-model.h
index 2d30f1877f..0b31ca34ec 100644
--- a/calendar/gui/e-cal-model.h
+++ b/calendar/gui/e-cal-model.h
@@ -167,6 +167,9 @@ struct _ECalModelClass {
 	void		(*status_message)	(ECalModel *model,
 						 const gchar *message,
 						 gdouble percent);
+	void		(*timezone_changed)	(ECalModel *model,
+						 icaltimezone *old_zone,
+						 icaltimezone *new_zone);
 };
 
 typedef time_t (*ECalModelDefaultTimeFunc) (ECalModel *model, gpointer user_data);
diff --git a/calendar/gui/e-day-view.c b/calendar/gui/e-day-view.c
index 3df599f5d7..9fb0a78ee4 100644
--- a/calendar/gui/e-day-view.c
+++ b/calendar/gui/e-day-view.c
@@ -992,12 +992,13 @@ model_comps_deleted_cb (ETableModel *etm, gpointer data, gpointer user_data)
 }
 
 static void
-timezone_changed_cb (ECalendarView *cal_view, icaltimezone *old_zone,
+timezone_changed_cb (ECalModel *cal_model, icaltimezone *old_zone,
 		     icaltimezone *new_zone, gpointer user_data)
 {
 	struct icaltimetype tt;
 	time_t lower;
-	EDayView *day_view = (EDayView *) cal_view;
+	EDayView *day_view = (EDayView *) user_data;
+	ECalendarView *cal_view = (ECalendarView *) day_view;
 
 	g_return_if_fail (E_IS_DAY_VIEW (day_view));
 
@@ -1338,10 +1339,6 @@ e_day_view_init (EDayView *day_view)
 		GDK_ACTION_COPY | GDK_ACTION_MOVE | GDK_ACTION_ASK);
 
 	e_drag_dest_add_calendar_targets (day_view->main_canvas);
-
-	/* connect to ECalendarView's signals */
-	g_signal_connect (G_OBJECT (day_view), "timezone_changed",
-			  G_CALLBACK (timezone_changed_cb), NULL);
 }
 
 static void
@@ -1358,6 +1355,8 @@ init_model (EDayView *day_view, ECalModel *model)
 			  G_CALLBACK (model_rows_inserted_cb), day_view);
 	g_signal_connect (G_OBJECT (model), "comps_deleted",
 			  G_CALLBACK (model_comps_deleted_cb), day_view);
+	g_signal_connect (G_OBJECT (model), "timezone_changed",
+			  G_CALLBACK (timezone_changed_cb), day_view);
 }
 
 /* Turn off the background of the canvas windows. This reduces flicker
diff --git a/calendar/gui/e-week-view.c b/calendar/gui/e-week-view.c
index c319520924..b96ec7e093 100644
--- a/calendar/gui/e-week-view.c
+++ b/calendar/gui/e-week-view.c
@@ -422,11 +422,12 @@ week_view_time_range_changed_cb (EWeekView *week_view,
 }
 
 static void
-timezone_changed_cb (ECalendarView *cal_view,
+timezone_changed_cb (ECalModel *cal_model,
                      icaltimezone *old_zone,
                      icaltimezone *new_zone,
                      gpointer user_data)
 {
+	ECalendarView *cal_view = (ECalendarView *) user_data;
 	struct icaltimetype tt = icaltime_null_time ();
 	time_t lower;
 	EWeekView *week_view = (EWeekView *) cal_view;
@@ -829,10 +830,6 @@ e_week_view_init (EWeekView *week_view)
 	week_view->move_cursor = gdk_cursor_new (GDK_FLEUR);
 	week_view->resize_width_cursor = gdk_cursor_new (GDK_SB_H_DOUBLE_ARROW);
 	week_view->last_cursor_set = NULL;
-
-		/* connect to ECalendarView's signals */
-	g_signal_connect (G_OBJECT (week_view), "timezone_changed",
-			  G_CALLBACK (timezone_changed_cb), NULL);
 }
 
 /**
@@ -844,9 +841,14 @@ e_week_view_init (EWeekView *week_view)
 ECalendarView *
 e_week_view_new (ECalModel *model)
 {
+	ECalendarView *view;
 	g_return_val_if_fail (E_IS_CAL_MODEL (model), NULL);
 
-	return g_object_new (E_TYPE_WEEK_VIEW, "model", model, NULL);
+	view = g_object_new (E_TYPE_WEEK_VIEW, "model", model, NULL);
+
+	g_signal_connect (G_OBJECT (model), "timezone_changed",
+			  G_CALLBACK (timezone_changed_cb), view);
+	return view;
 }
 
 static void