Added the ability for the shell to export the storage set view as a

Bonobo::Control (untested, and needed by Toshok's subscription
dialog).  Also, added a custom interface for this control so that the
container can get notification when a folder gets selected.

svn path=/trunk/; revision=5657

1 files changed, 338 insertions, 0 deletions

diff --git a/shell/evolution-storage-set-view.c b/shell/evolution-storage-set-view.c
new file mode 100644
index 0000000000..e0401c5efc
--- /dev/null
+++ b/shell/evolution-storage-set-view.c
@@ -0,0 +1,338 @@
+/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
+/* evolution-storage-set-view.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 "evolution-storage-set-view.h"
+
+
+#define PARENT_TYPE bonobo_object_get_type ()
+static BonoboObjectClass *parent_class = NULL;
+
+struct _EvolutionStorageSetViewPrivate {
+	GtkWidget *storage_set_view_widget;
+	GList *listeners;
+};
+
+
+/* EStorageSet widget callbacks.  */
+
+static void
+storage_set_view_widget_folder_selected_cb (EStorageSetView *storage_set_view_widget,
+					    const char *uri,
+					    void *data)
+{
+	EvolutionStorageSetView *storage_set_view;
+	EvolutionStorageSetViewPrivate *priv;
+	GList *p;
+
+	storage_set_view = EVOLUTION_STORAGE_SET_VIEW (data);
+	priv = storage_set_view->priv;
+
+	for (p = priv->listeners; p != NULL; p = p->next) {
+		CORBA_Environment ev;
+		Evolution_StorageSetViewListener listener;
+
+		CORBA_exception_init (&ev);
+
+		listener = (Evolution_StorageSetViewListener) p->data;
+		Evolution_StorageSetViewListener_folder_selected (listener, uri, &ev);
+
+		/* FIXME: What if we fail?  */
+
+		CORBA_exception_free (&ev);
+	}
+}
+
+
+/* Listener handling.  */
+
+static GList *
+find_listener_in_list (Evolution_StorageSetViewListener listener,
+		       GList *list)
+{
+	CORBA_Environment ev;
+	GList *p;
+
+	CORBA_exception_init (&ev);
+
+	for (p = list; p != NULL; p = p->next) {
+		Evolution_StorageSetViewListener listener_item;
+
+		listener_item = (Evolution_StorageSetViewListener) p->data;
+		if (CORBA_Object_is_equivalent (listener, listener_item, &ev))
+			break;
+	}
+
+	CORBA_exception_free (&ev);
+
+	return p;
+}
+
+static gboolean
+add_listener (EvolutionStorageSetView *storage_set_view,
+	      Evolution_StorageSetViewListener listener)
+{
+	EvolutionStorageSetViewPrivate *priv;
+	CORBA_Environment ev;
+	const char *current_uri;
+	Evolution_StorageSetViewListener copy_of_listener;
+
+	priv = storage_set_view->priv;
+
+	if (find_listener_in_list (listener, priv->listeners) != NULL)
+		return FALSE;
+
+	CORBA_exception_init (&ev);
+
+	copy_of_listener = CORBA_Object_duplicate (listener, &ev);
+	if (ev._major != CORBA_NO_EXCEPTION) {
+		CORBA_exception_free (&ev);
+		return FALSE;
+	}
+
+	priv->listeners = g_list_prepend (priv->listeners, copy_of_listener);
+
+	current_uri = e_storage_set_view_get_current_folder (E_STORAGE_SET_VIEW (priv->storage_set_view_widget));
+	if (current_uri != NULL)
+		Evolution_StorageSetViewListener_folder_selected (listener, current_uri, &ev);
+
+	CORBA_exception_free (&ev);
+
+	return TRUE;
+}
+
+static gboolean
+remove_listener (EvolutionStorageSetView *storage_set_view,
+		 Evolution_StorageSetViewListener listener)
+{
+	EvolutionStorageSetViewPrivate *priv;
+	GList *listener_node;
+	CORBA_Environment ev;
+
+	priv = storage_set_view->priv;
+
+	listener_node = find_listener_in_list (listener, priv->listeners);
+	if (listener_node == NULL)
+		return FALSE;
+
+	CORBA_exception_init (&ev);
+	CORBA_Object_release ((CORBA_Object) listener_node->data, &ev);
+	CORBA_exception_free (&ev);
+
+	priv->listeners = g_list_remove_link (priv->listeners, listener_node);
+
+	return TRUE;
+}
+
+
+/* CORBA interface implementation.  */
+
+static POA_Evolution_StorageSetView__vepv StorageSetView_vepv;
+
+static POA_Evolution_StorageSetView *
+create_servant (void)
+{
+	POA_Evolution_StorageSetView *servant;
+	CORBA_Environment ev;
+
+	CORBA_exception_init (&ev);
+
+	servant = (POA_Evolution_StorageSetView *) g_new0 (BonoboObjectServant, 1);
+	servant->vepv = &StorageSetView_vepv;
+
+	POA_Evolution_StorageSetView__init ((PortableServer_Servant) servant, &ev);
+	if (ev._major != CORBA_NO_EXCEPTION) {
+		g_free (servant);
+		servant = NULL;
+	}
+
+	CORBA_exception_free (&ev);
+
+	return servant;
+}
+
+static void
+impl_StorageSetView_add_listener (PortableServer_Servant servant,
+				  const Evolution_StorageSetViewListener listener,
+				  CORBA_Environment *ev)
+{
+	BonoboObject *bonobo_object;
+	EvolutionStorageSetView *storage_set_view;
+
+	bonobo_object = bonobo_object_from_servant (servant);
+	storage_set_view = EVOLUTION_STORAGE_SET_VIEW (servant);
+
+	if (! add_listener (storage_set_view, listener))
+		CORBA_exception_set (ev, CORBA_USER_EXCEPTION,
+				     ex_Evolution_StorageSetView_AlreadyListening, NULL);
+}
+
+static void
+impl_StorageSetView_remove_listener (PortableServer_Servant servant,
+				     const Evolution_StorageSetViewListener listener,
+				     CORBA_Environment *ev)
+{
+	BonoboObject *bonobo_object;
+	EvolutionStorageSetView *storage_set_view;
+
+	bonobo_object = bonobo_object_from_servant (servant);
+	storage_set_view = EVOLUTION_STORAGE_SET_VIEW (servant);
+
+	if (! remove_listener (storage_set_view, listener))
+		CORBA_exception_set (ev, CORBA_USER_EXCEPTION,
+				     ex_Evolution_StorageSetView_NotFound, NULL);
+}
+
+
+/* GtkObject methods.  */
+
+static void
+impl_destroy (GtkObject *object)
+{
+	EvolutionStorageSetView *storage_set_view;
+	EvolutionStorageSetViewPrivate *priv;
+	CORBA_Environment ev;
+	GList *p;
+
+	storage_set_view = EVOLUTION_STORAGE_SET_VIEW (object);
+	priv = storage_set_view->priv;
+
+	CORBA_exception_init (&ev);
+
+	for (p = priv->listeners; p != NULL; p = p->next) {
+		Evolution_StorageSetViewListener listener;
+
+		listener = (Evolution_StorageSetViewListener) p->data;
+		CORBA_Object_release (listener, &ev);
+	}
+
+	CORBA_exception_free (&ev);
+
+	g_free (priv);
+
+	if (GTK_OBJECT_CLASS (parent_class)->destroy != NULL)
+		(* GTK_OBJECT_CLASS (parent_class)->destroy) (object);
+}
+
+
+static void
+corba_class_init (void)
+{
+	POA_Evolution_StorageSetView__vepv *vepv;
+	POA_Evolution_StorageSetView__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_StorageSetView__epv, 1);
+	epv->add_listener    = impl_StorageSetView_add_listener;
+	epv->remove_listener = impl_StorageSetView_remove_listener;
+
+	vepv = &StorageSetView_vepv;
+	vepv->_base_epv                    = base_epv;
+	vepv->Bonobo_Unknown_epv           = bonobo_object_get_epv ();
+	vepv->Evolution_StorageSetView_epv = epv;
+}
+
+static void
+class_init (EvolutionStorageSetViewClass *klass)
+{
+	GtkObjectClass *object_class;
+
+	object_class = GTK_OBJECT_CLASS (klass);
+	object_class->destroy = impl_destroy;
+
+	parent_class = gtk_type_class (bonobo_object_get_type ());
+
+	corba_class_init ();
+}
+
+static void
+init (EvolutionStorageSetView *storage_set_view)
+{
+	EvolutionStorageSetViewPrivate *priv;
+
+	priv = g_new (EvolutionStorageSetViewPrivate, 1);
+	priv->storage_set_view_widget = NULL;
+	priv->listeners               = NULL;
+
+	storage_set_view->priv = priv;
+}
+
+
+void
+evolution_storage_set_view_construct (EvolutionStorageSetView *storage_set_view,
+				      Evolution_StorageSetView corba_object,
+				      EStorageSetView *storage_set_view_widget)
+{
+	EvolutionStorageSetViewPrivate *priv;
+
+	g_return_if_fail (storage_set_view != NULL);
+	g_return_if_fail (EVOLUTION_IS_STORAGE_SET_VIEW (storage_set_view));
+	g_return_if_fail (corba_object != CORBA_OBJECT_NIL);
+	g_return_if_fail (storage_set_view_widget != NULL);
+	g_return_if_fail (E_IS_STORAGE_SET_VIEW (storage_set_view_widget));
+
+	priv = storage_set_view->priv;
+
+	bonobo_object_construct (BONOBO_OBJECT (storage_set_view), corba_object);
+
+	g_assert (priv->storage_set_view_widget == NULL);
+	priv->storage_set_view_widget = GTK_WIDGET (storage_set_view_widget);
+
+	gtk_signal_connect (GTK_OBJECT (priv->storage_set_view_widget), "folder_selected",
+			    GTK_SIGNAL_FUNC (storage_set_view_widget_folder_selected_cb), storage_set_view);
+}
+
+EvolutionStorageSetView *
+evolution_storage_set_view_new (EStorageSetView *storage_set_view_widget)
+{
+	POA_Evolution_StorageSetView *servant;
+	Evolution_StorageSetView corba_object;
+	EvolutionStorageSetView *new;
+
+	g_return_val_if_fail (storage_set_view_widget != NULL, NULL);
+	g_return_val_if_fail (E_IS_STORAGE_SET_VIEW (storage_set_view_widget), NULL);
+
+	servant = create_servant ();
+	if (servant == NULL)
+		return NULL;
+
+	new = gtk_type_new (evolution_storage_set_view_get_type ());
+
+	corba_object = bonobo_object_activate_servant (BONOBO_OBJECT (new), servant);
+
+	evolution_storage_set_view_construct (new, corba_object, storage_set_view_widget);
+
+	return new;
+}
+
+
+E_MAKE_TYPE (evolution_storage_set_view, "EvolutionStorageSetView", EvolutionStorageSetView, class_init, init, PARENT_TYPE)