Added new interfaces to be exposed by the local storage, so that

components can get a list of all the folders and specify the display
name for them.  (Unfinished and untested.)

svn path=/trunk/; revision=5256

1 files changed, 305 insertions, 0 deletions

diff --git a/shell/evolution-storage-listener.c b/shell/evolution-storage-listener.c
new file mode 100644
index 0000000000..e051c1d2ea
--- /dev/null
+++ b/shell/evolution-storage-listener.c
@@ -0,0 +1,305 @@
+/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
+/* evolution-storage-listener.c
+ *
+ * Copyright (C) 2000  Helix Code, Inc.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public
+ * License along with this program; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ *
+ * Author: Ettore Perazzoli
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <gnome.h>
+#include <bonobo.h>
+
+#include "e-util/e-util.h"
+
+#include "evolution-storage-listener.h"
+
+
+#define PARENT_TYPE gtk_object_get_type ()
+static GtkObjectClass *parent_class = NULL;
+
+struct _EvolutionStorageListenerPrivate {
+	Evolution_StorageListener corba_objref;
+	EvolutionStorageListenerServant *servant;
+};
+
+
+enum {
+  DESTROYED,
+  NEW_FOLDER,
+  REMOVED_FOLDER,
+  LAST_SIGNAL
+};
+static guint signals[LAST_SIGNAL] = { 0 };
+
+
+/* Evolution::StorageListener implementation.  */
+
+static POA_Evolution_StorageListener__vepv my_Evolution_StorageListener_vepv;
+
+static EvolutionStorageListener *
+gtk_object_from_servant (PortableServer_Servant servant)
+{
+	EvolutionStorageListenerServant *my_servant;
+
+	my_servant = (EvolutionStorageListenerServant *) servant;
+	return my_servant->gtk_object;
+}
+
+static void
+impl_Evolution_StorageListener_destroyed (PortableServer_Servant servant,
+					  CORBA_Environment *ev)
+{
+	EvolutionStorageListener *listener;
+	EvolutionStorageListenerPrivate *priv;
+
+	listener = gtk_object_from_servant (servant);
+	priv = listener->priv;
+
+	gtk_signal_emit (GTK_OBJECT (listener), signals[DESTROYED]);
+}
+
+static void
+impl_Evolution_StorageListener_new_folder (PortableServer_Servant servant,
+					   const CORBA_char *path,
+					   const Evolution_Folder *folder,
+					   CORBA_Environment *ev)
+{
+	EvolutionStorageListener *listener;
+	EvolutionStorageListenerPrivate *priv;
+
+	listener = gtk_object_from_servant (servant);
+	priv = listener->priv;
+
+	gtk_signal_emit (GTK_OBJECT (listener), signals[NEW_FOLDER], path, folder);
+}
+
+static void
+impl_Evolution_StorageListener_removed_folder (PortableServer_Servant servant,
+					       const CORBA_char *path,
+					       CORBA_Environment *ev)
+{
+	EvolutionStorageListener *listener;
+	EvolutionStorageListenerPrivate *priv;
+
+	listener = gtk_object_from_servant (servant);
+	priv = listener->priv;
+
+	gtk_signal_emit (GTK_OBJECT (listener), signals[REMOVED_FOLDER], path);
+}
+
+static POA_Evolution_StorageListener *
+create_servant (EvolutionStorageListener *listener)
+{
+	EvolutionStorageListenerServant *servant;
+	POA_Evolution_StorageListener *corba_servant;
+	CORBA_Environment ev;
+
+	CORBA_exception_init (&ev);
+
+	servant = g_new (EvolutionStorageListenerServant, 1);
+	corba_servant = (POA_Evolution_StorageListener *) servant;
+
+	corba_servant->vepv = &my_Evolution_StorageListener_vepv;
+	POA_Evolution_StorageListener__init ((PortableServer_Servant) corba_servant, &ev);
+	if (ev._major != CORBA_NO_EXCEPTION) {
+		g_free (servant);
+		CORBA_exception_free (&ev);
+		return NULL;
+	}
+
+	servant->gtk_object = listener;
+
+	CORBA_exception_free (&ev);
+
+	return (POA_Evolution_StorageListener *) servant;
+}
+
+static Evolution_StorageListener
+activate_servant (EvolutionStorageListener *listener,
+		  POA_Evolution_StorageListener *servant)
+{
+	Evolution_StorageListener corba_object;
+	CORBA_Environment ev;
+
+	CORBA_exception_init (&ev);
+
+	CORBA_free (PortableServer_POA_activate_object (bonobo_poa (), servant, &ev));
+
+	corba_object = PortableServer_POA_servant_to_reference (bonobo_poa(), servant, &ev);
+
+	if (ev._major == CORBA_NO_EXCEPTION && ! CORBA_Object_is_nil (corba_object, &ev)) {
+		CORBA_exception_free (&ev);
+		return corba_object;
+	}
+
+	CORBA_exception_free (&ev);
+
+	return CORBA_OBJECT_NIL;
+}
+
+
+/* GtkObject methods.  */
+
+static void
+impl_destroy (GtkObject *object)
+{
+	EvolutionStorageListener *storage_listener;
+	EvolutionStorageListenerPrivate *priv;
+	CORBA_Environment ev;
+
+	storage_listener = EVOLUTION_STORAGE_LISTENER (object);
+	priv = storage_listener->priv;
+
+	CORBA_exception_init (&ev);
+
+	if (priv->corba_objref != CORBA_OBJECT_NIL)
+		CORBA_Object_release (priv->corba_objref, &ev);
+
+	if (priv->servant != NULL) {
+		PortableServer_ObjectId *object_id;
+
+		object_id = PortableServer_POA_servant_to_id (bonobo_poa(), priv->servant, &ev);
+		PortableServer_POA_deactivate_object (bonobo_poa (), object_id, &ev);
+		CORBA_free (object_id);
+
+		POA_Evolution_StorageListener__fini (priv->servant, &ev);
+	}
+
+	CORBA_exception_free (&ev);
+
+	g_free (priv);
+
+	(* GTK_OBJECT_CLASS (parent_class)->destroy) (object);
+}
+
+
+static void
+corba_class_init (void)
+{
+	POA_Evolution_StorageListener__vepv *vepv;
+	POA_Evolution_StorageListener__epv *epv;
+	PortableServer_ServantBase__epv *base_epv;
+
+	base_epv = g_new0 (PortableServer_ServantBase__epv, 1);
+	base_epv->_private    = NULL;
+	base_epv->finalize    = NULL;
+	base_epv->default_POA = NULL;
+
+	epv = g_new0 (POA_Evolution_StorageListener__epv, 1);
+	epv->destroyed      = impl_Evolution_StorageListener_destroyed;
+	epv->new_folder     = impl_Evolution_StorageListener_new_folder;
+	epv->removed_folder = impl_Evolution_StorageListener_removed_folder;
+
+	vepv = & my_Evolution_StorageListener_vepv;
+	vepv->_base_epv                     = base_epv;
+	vepv->Evolution_StorageListener_epv = epv;
+}
+
+static void
+class_init (EvolutionStorageListenerClass *klass)
+{
+	GtkObjectClass *object_class;
+
+	parent_class = gtk_type_class (PARENT_TYPE);
+
+	object_class = GTK_OBJECT_CLASS (klass);
+	object_class->destroy = impl_destroy;
+
+	signals[DESTROYED]      = gtk_signal_new ("destroyed",
+						  GTK_RUN_FIRST,
+						  object_class->type,
+						  GTK_SIGNAL_OFFSET (EvolutionStorageListenerClass, destroyed),
+						  gtk_marshal_NONE__NONE,
+						  GTK_TYPE_NONE, 0);
+
+	signals[NEW_FOLDER]     = gtk_signal_new ("new_folder",
+						  GTK_RUN_FIRST,
+						  object_class->type,
+						  GTK_SIGNAL_OFFSET (EvolutionStorageListenerClass, new_folder),
+						  gtk_marshal_NONE__POINTER_POINTER,
+						  GTK_TYPE_NONE, 2,
+						  GTK_TYPE_STRING,
+						  GTK_TYPE_POINTER);
+
+	signals[REMOVED_FOLDER] = gtk_signal_new ("removed_folder",
+						  GTK_RUN_FIRST,
+						  object_class->type,
+						  GTK_SIGNAL_OFFSET (EvolutionStorageListenerClass, removed_folder),
+						  gtk_marshal_NONE__POINTER,
+						  GTK_TYPE_NONE, 1,
+						  GTK_TYPE_STRING);
+
+	gtk_object_class_add_signals (object_class, signals, LAST_SIGNAL);
+
+	corba_class_init ();
+}
+
+static void
+init (EvolutionStorageListener *storage_listener)
+{
+	EvolutionStorageListenerPrivate *priv;
+
+	priv = g_new (EvolutionStorageListenerPrivate, 1);
+	priv->corba_objref = CORBA_OBJECT_NIL;
+
+	storage_listener->priv = priv;
+}
+
+
+void
+evolution_storage_listener_construct (EvolutionStorageListener *listener,
+				      Evolution_StorageListener corba_objref)
+{
+	EvolutionStorageListenerPrivate *priv;
+
+	g_return_if_fail (listener != NULL);
+	g_return_if_fail (corba_objref != CORBA_OBJECT_NIL);
+
+	priv = listener->priv;
+
+	g_return_if_fail (priv->corba_objref == CORBA_OBJECT_NIL);
+
+	priv->corba_objref = corba_objref;
+}
+
+EvolutionStorageListener *
+evolution_storage_listener_new (void)
+{
+	EvolutionStorageListener *new;
+	EvolutionStorageListenerPrivate *priv;
+	Evolution_StorageListener corba_objref;
+	POA_Evolution_StorageListener *servant;
+
+	new = gtk_type_new (evolution_storage_listener_get_type ());
+	priv = new->priv;
+
+	priv->servant = create_servant (new);
+	corba_objref = activate_servant (new, servant);
+
+	evolution_storage_listener_construct (new, corba_objref);
+
+	return new;
+}
+
+
+E_MAKE_TYPE (evolution_storage_listener, "EvolutionStorageListener", EvolutionStorageListener,
+	     class_init, init, PARENT_TYPE)