gobjectification: 8bbcfe04: Add a new 'destroying' signal for purple...

[sadrul at pidgin.im]

----------------------------------------------------------------------
Revision: 8bbcfe0485b9c93e124e574ddeecb5f1c19e02d2
Parent:   a3f8942b60a7391285e60f4cca8d4f4fd64c2456
Author:   sadrul at pidgin.im
Date:     07/05/10 23:14:25
Branch:   im.pidgin.gobjectification
URL: http://d.pidgin.im/viewmtn/revision/info/8bbcfe0485b9c93e124e574ddeecb5f1c19e02d2

Changelog: 

Add a new 'destroying' signal for purple-objects.

Changes against parent a3f8942b60a7391285e60f4cca8d4f4fd64c2456

  patched  libpurple/pobject.c

-------------- next part --------------
============================================================
--- libpurple/pobject.c	b6b4d35699e20131212d0d9a336179f49e99da96
+++ libpurple/pobject.c	b92f13ab1f62397ba0fc6afc0e3a5ca3e8c592b4
@@ -29,8 +29,10 @@ enum
 enum
 {
 	SIG_NEW,
+	SIG_DESTROYING,
 	SIG_LAST
 };
+
 static guint signals[SIG_LAST] = {0, };
 
 static GObjectClass *parent_class;
@@ -40,6 +42,8 @@ purple_object_dispose(GObject *obj)
 {
 	PurpleObject *pobj = PURPLE_OBJECT(obj);
 
+	g_signal_emit(pobj, signals[SIG_DESTROYING], 0);
+
 	if (pobj->priv->proto_data) {
 		g_warning("Purple-Object: object destroyed without unsetting the protocol data. This may lead to memory leak.\n");
 	}
@@ -70,6 +74,12 @@ purple_object_class_init(PurpleObjectCla
 				G_SIGNAL_ACTION, 0, NULL, NULL,
 				g_cclosure_marshal_VOID__VOID, G_TYPE_NONE, 0);
 
+	/* This signal should be emitted just before the object is destroyed.
+	 * So the callback should be able to query the object for various information. */
+	signals[SIG_DESTROYING] = g_signal_new("destroying", G_OBJECT_CLASS_TYPE(klass),
+				G_SIGNAL_ACTION, 0, NULL, NULL,
+				g_cclosure_marshal_VOID__VOID, G_TYPE_NONE, 0);
+
 	g_type_class_add_private(klass, sizeof(PurpleObjectPrivate));
 }