Chain. Prevent double unrefs. (impl_finalize): Chain.

2003-08-12  Hans Petter Jansson  <hpj@ximian.com>

	* gui/calendar-offline-handler.c (impl_dispose): Chain. Prevent
	double unrefs.
	(impl_finalize): Chain.

	* gui/e-alarm-list.c (finalize): Chain.

	* gui/e-comp-editor-registry.c (destroy): Chain. Prevent double frees.
	(editor_destroy_cb): Don't crash if we get the destroy signal twice.

	* gui/e-date-time-list.c (e_date_time_list_finalize): Chain.

	* gui/e-meeting-attendee.c (finalize): Chain.

	* gui/e-meeting-model.c (finalize): Chain.

svn path=/trunk/; revision=22228

6 files changed, 39 insertions, 11 deletions

diff --git a/calendar/gui/calendar-offline-handler.c b/calendar/gui/calendar-offline-handler.c
index 894f3cf560..fd59965283 100644
--- a/calendar/gui/calendar-offline-handler.c
+++ b/calendar/gui/calendar-offline-handler.c
@@ -258,7 +258,10 @@ impl_dispose (GObject *object)
 	offline_handler = CALENDAR_OFFLINE_HANDLER (object);
 	priv = offline_handler->priv;
 
-	g_object_unref (priv->client);
+	if (priv->client) {
+		g_object_unref (priv->client);
+		priv->client = NULL;
+	}
 	
 	if (priv->listener_interface != CORBA_OBJECT_NIL) {
 		CORBA_Environment ev;
@@ -270,6 +273,8 @@ impl_dispose (GObject *object)
 		priv->listener_interface = CORBA_OBJECT_NIL;
 	}
 
+	if (G_OBJECT_CLASS (parent_class)->dispose)
+		(* G_OBJECT_CLASS (parent_class)->dispose) (object);
 }
 
 static void
@@ -282,6 +287,9 @@ impl_finalize (GObject *object)
 	priv = offline_handler->priv;
 
 	g_free (priv);
+
+	if (G_OBJECT_CLASS (parent_class)->finalize)
+		(* G_OBJECT_CLASS (parent_class)->finalize) (object);
 }
 
 /* GTK+ type initialization.  */
diff --git a/calendar/gui/e-alarm-list.c b/calendar/gui/e-alarm-list.c
index 469d6de66f..534a8c9449 100644
--- a/calendar/gui/e-alarm-list.c
+++ b/calendar/gui/e-alarm-list.c
@@ -225,6 +225,9 @@ static void
 e_alarm_list_finalize (GObject *object)
 {
 	EAlarmList *alarm_list = E_ALARM_LIST (object);
+
+	if (G_OBJECT_CLASS (parent_class)->finalize)
+		(* G_OBJECT_CLASS (parent_class)->finalize) (object);
 }
 
 /* Fulfill the GtkTreeModel requirements */
diff --git a/calendar/gui/e-comp-editor-registry.c b/calendar/gui/e-comp-editor-registry.c
index 1e9962c26f..68b33d11ff 100644
--- a/calendar/gui/e-comp-editor-registry.c
+++ b/calendar/gui/e-comp-editor-registry.c
@@ -50,13 +50,21 @@ destroy (GtkObject *obj)
 {
 	ECompEditorRegistry *reg;
 	ECompEditorRegistryPrivate *priv;
-	
+
 	reg = E_COMP_EDITOR_REGISTRY (obj);
 	priv = reg->priv;
 
-	g_hash_table_destroy (priv->editors);
-	
-	g_free (priv);
+	if (priv) {
+		if (priv->editors) {
+			g_hash_table_destroy (priv->editors);
+			priv->editors = NULL;
+		}
+
+		g_free (priv);
+		reg->priv = NULL;
+	}
+
+	(* GTK_OBJECT_CLASS (parent_class)->destroy) (obj);
 }
 
 static void
@@ -195,10 +203,10 @@ editor_destroy_cb (GtkWidget *widget, gpointer data)
 	cal_component_get_uid (comp, &uid);
 
 	rdata = g_hash_table_lookup (priv->editors, uid);
-	g_assert (rdata != NULL);
-	
-	g_hash_table_remove (priv->editors, rdata->uid);
-	g_free (rdata->uid);
-	g_free (rdata);
-}
 
+	if (rdata != NULL) {
+		g_hash_table_remove (priv->editors, rdata->uid);
+		g_free (rdata->uid);
+		g_free (rdata);
+	}
+}
diff --git a/calendar/gui/e-date-time-list.c b/calendar/gui/e-date-time-list.c
index 6a6848fc25..5aef6f9c51 100644
--- a/calendar/gui/e-date-time-list.c
+++ b/calendar/gui/e-date-time-list.c
@@ -223,6 +223,9 @@ static void
 e_date_time_list_finalize (GObject *object)
 {
 	EDateTimeList *date_time_list = E_DATE_TIME_LIST (object);
+
+	if (G_OBJECT_CLASS (parent_class)->finalize)
+		(* G_OBJECT_CLASS (parent_class)->finalize) (object);
 }
 
 /* Fulfill the GtkTreeModel requirements */
diff --git a/calendar/gui/e-meeting-attendee.c b/calendar/gui/e-meeting-attendee.c
index f25dbc35de..8b988f085f 100644
--- a/calendar/gui/e-meeting-attendee.c
+++ b/calendar/gui/e-meeting-attendee.c
@@ -187,6 +187,9 @@ finalize (GObject *obj)
 	g_array_free (priv->busy_periods, TRUE);
 	
 	g_free (priv);
+
+	if (G_OBJECT_CLASS (parent_class)->finalize)
+		(* G_OBJECT_CLASS (parent_class)->finalize) (obj);
 }
 
 GObject *
diff --git a/calendar/gui/e-meeting-model.c b/calendar/gui/e-meeting-model.c
index dddc1f2f25..a7cd54fd85 100644
--- a/calendar/gui/e-meeting-model.c
+++ b/calendar/gui/e-meeting-model.c
@@ -671,6 +671,9 @@ finalize (GObject *obj)
  		g_source_remove (priv->refresh_idle_id);
  		
 	g_free (priv);
+
+	if (G_OBJECT_CLASS (parent_class)->finalize)
+ 		(* G_OBJECT_CLASS (parent_class)->finalize) (obj);
 }
 
 GtkObject *