Reorganized the shell to allow dynamic registration of storages and

folder types, and changed all the components to work with the new
setup.

svn path=/trunk/; revision=3199

1 files changed, 332 insertions, 0 deletions

diff --git a/shell/evolution-shell-component.c b/shell/evolution-shell-component.c
new file mode 100644
index 0000000000..9c0861e14a
--- /dev/null
+++ b/shell/evolution-shell-component.c
@@ -0,0 +1,332 @@
+/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
+/* evolution-shell-component.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 <bonobo.h>
+
+#include "Evolution.h"
+
+#include "e-util/e-util.h"
+
+#include "evolution-shell-component.h"
+
+
+#define PARENT_TYPE BONOBO_OBJECT_TYPE
+static BonoboObjectClass *parent_class = NULL;
+
+struct _EvolutionShellComponentPrivate {
+	GList *folder_types;	/* EvolutionShellComponentFolderType */
+
+	EvolutionShellComponentCreateViewFn create_view_fn;
+	Evolution_Shell corba_owner;
+	void *closure;
+};
+
+enum {
+	OWNER_SET,
+	LAST_SIGNAL
+};
+
+static guint signals[LAST_SIGNAL] = { 0 };
+
+
+/* CORBA interface implementation.  */
+
+static POA_Evolution_ShellComponent__vepv ShellComponent_vepv;
+
+static POA_Evolution_ShellComponent *
+create_servant (void)
+{
+	POA_Evolution_ShellComponent *servant;
+	CORBA_Environment ev;
+
+	servant = (POA_Evolution_ShellComponent *) g_new0 (BonoboObjectServant, 1);
+	servant->vepv = &ShellComponent_vepv;
+
+	CORBA_exception_init (&ev);
+
+	POA_Evolution_ShellComponent__init ((PortableServer_Servant) servant, &ev);
+	if (ev._major != CORBA_NO_EXCEPTION) {
+		g_free (servant);
+		CORBA_exception_free (&ev);
+		return NULL;
+	}
+
+	CORBA_exception_free (&ev);
+
+	return servant;
+}
+
+static Evolution_FolderTypeList *
+impl_ShellComponent__get_supported_types (PortableServer_Servant servant,
+					  CORBA_Environment *ev)
+{
+	BonoboObject *bonobo_object;
+	EvolutionShellComponent *shell_component;
+	EvolutionShellComponentPrivate *priv;
+	Evolution_FolderTypeList *folder_type_list;
+	unsigned int i;
+	GList *p;
+
+	bonobo_object = bonobo_object_from_servant (servant);
+	shell_component = EVOLUTION_SHELL_COMPONENT (bonobo_object);
+	priv = shell_component->priv;
+
+	folder_type_list = Evolution_FolderTypeList__alloc ();
+	folder_type_list->_length = g_list_length (priv->folder_types);
+	folder_type_list->_maximum = folder_type_list->_length;
+	folder_type_list->_buffer = CORBA_sequence_Evolution_FolderType_allocbuf (folder_type_list->_maximum);
+
+	for (p = priv->folder_types, i = 0; p != NULL; p = p->next, i++) {
+		Evolution_FolderType *corba_folder_type;
+		EvolutionShellComponentFolderType *folder_type;
+
+		folder_type = (EvolutionShellComponentFolderType *) p->data;
+
+		corba_folder_type = folder_type_list->_buffer + i;
+		corba_folder_type->name      = CORBA_string_dup (folder_type->name);
+		corba_folder_type->icon_name = CORBA_string_dup (folder_type->icon_name);
+	}
+
+	return folder_type_list;
+}
+
+static void
+impl_ShellComponent_set_owner (PortableServer_Servant servant,
+			       const Evolution_Shell shell,
+			       CORBA_Environment *ev)
+{
+	BonoboObject *bonobo_object;
+	EvolutionShellComponent *shell_component;
+	EvolutionShellComponentPrivate *priv;
+
+	bonobo_object = bonobo_object_from_servant (servant);
+	shell_component = EVOLUTION_SHELL_COMPONENT (bonobo_object);
+	priv = shell_component->priv;
+
+	if (priv->corba_owner != CORBA_OBJECT_NIL) {
+		CORBA_exception_set (ev, CORBA_USER_EXCEPTION,
+				     ex_Evolution_ShellComponent_AlreadyOwned, NULL);
+		return;
+	}
+
+	Bonobo_Unknown_ref (shell, ev);
+	priv->corba_owner = CORBA_Object_duplicate (shell, ev);
+
+	gtk_signal_emit (GTK_OBJECT (shell_component), signals[OWNER_SET], priv->corba_owner);
+}
+
+static Bonobo_Control
+impl_ShellComponent_create_view (PortableServer_Servant servant,
+				 const CORBA_char *physical_uri,
+				 CORBA_Environment *ev)
+{
+	BonoboObject *bonobo_object;
+	EvolutionShellComponent *shell_component;
+	EvolutionShellComponentPrivate *priv;
+	BonoboControl *control;
+
+	bonobo_object = bonobo_object_from_servant (servant);
+	shell_component = EVOLUTION_SHELL_COMPONENT (bonobo_object);
+	priv = shell_component->priv;
+
+	control = (* priv->create_view_fn) (shell_component, physical_uri, priv->closure);
+
+	if (control == NULL) {
+		CORBA_exception_set (ev, CORBA_USER_EXCEPTION,
+				     ex_Evolution_ShellComponent_NotFound,
+				     NULL);
+		return CORBA_OBJECT_NIL;
+	}
+
+	return bonobo_object_corba_objref (BONOBO_OBJECT (control));
+}
+
+
+/* GtkObject methods.  */
+
+static void
+destroy (GtkObject *object)
+{
+	EvolutionShellComponent *shell_component;
+	EvolutionShellComponentPrivate *priv;
+	CORBA_Environment ev;
+	GList *p;
+
+	shell_component = EVOLUTION_SHELL_COMPONENT (object);
+
+	priv = shell_component->priv;
+
+	CORBA_exception_init (&ev);
+
+	if (priv->corba_owner != NULL) {
+		Bonobo_Unknown_unref (priv->corba_owner, &ev);
+		CORBA_Object_release (priv->corba_owner, &ev);
+	}
+
+	CORBA_exception_free (&ev);
+
+	for (p = priv->folder_types; p != NULL; p = p->next) {
+		EvolutionShellComponentFolderType *folder_type;
+
+		folder_type = (EvolutionShellComponentFolderType *) p->data;
+
+		g_free (folder_type->name);
+		g_free (folder_type->icon_name);
+		g_free (folder_type);
+	}
+	g_list_free (priv->folder_types);
+
+	g_free (priv);
+}
+
+
+/* Initialization.  */
+
+static void
+corba_class_init (void)
+{
+	POA_Evolution_ShellComponent__vepv *vepv;
+	POA_Evolution_ShellComponent__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_ShellComponent__epv, 1);
+	epv->_get_supported_types = impl_ShellComponent__get_supported_types;
+	epv->set_owner            = impl_ShellComponent_set_owner;
+	epv->create_view          = impl_ShellComponent_create_view;
+
+	vepv = &ShellComponent_vepv;
+	vepv->Bonobo_Unknown_epv = bonobo_object_get_epv ();
+	vepv->Evolution_ShellComponent_epv = epv;
+}
+
+static void
+class_init (EvolutionShellComponentClass *klass)
+{
+	GtkObjectClass *object_class;
+
+	object_class = GTK_OBJECT_CLASS (klass);
+	object_class->destroy = destroy;
+
+	signals[OWNER_SET] = gtk_signal_new ("owner_set",
+					     GTK_RUN_FIRST,
+					     object_class->type,
+					     GTK_SIGNAL_OFFSET (EvolutionShellComponentClass, owner_set),
+					     gtk_marshal_NONE__POINTER,
+					     GTK_TYPE_NONE, 1,
+					     GTK_TYPE_POINTER);
+
+	gtk_object_class_add_signals (object_class, signals, LAST_SIGNAL);
+
+	parent_class = gtk_type_class (PARENT_TYPE);
+
+	corba_class_init ();
+}
+
+static void
+init (EvolutionShellComponent *shell_component)
+{
+	EvolutionShellComponentPrivate *priv;
+
+	priv = g_new (EvolutionShellComponentPrivate, 1);
+
+	priv->folder_types    = NULL;
+	priv->create_view_fn  = NULL;
+	priv->closure         = NULL;
+	priv->corba_owner     = CORBA_OBJECT_NIL;
+
+	shell_component->priv = priv;
+}
+
+
+void
+evolution_shell_component_construct (EvolutionShellComponent *shell_component,
+				     const EvolutionShellComponentFolderType folder_types[],
+				     Evolution_ShellComponent corba_object,
+				     EvolutionShellComponentCreateViewFn create_view_fn,
+				     void *closure)
+{
+	EvolutionShellComponentPrivate *priv;
+	int i;
+
+	g_return_if_fail (shell_component != NULL);
+	g_return_if_fail (corba_object != CORBA_OBJECT_NIL);
+
+	bonobo_object_construct (BONOBO_OBJECT (shell_component), corba_object);
+
+	priv = shell_component->priv;
+
+	priv->create_view_fn = create_view_fn;
+	priv->closure = closure;
+
+	for (i = 0; folder_types[i].name != NULL; i++) {
+		EvolutionShellComponentFolderType *new;
+
+		if (folder_types[i].icon_name == NULL
+		    || folder_types[i].name[0] == '\0'
+		    || folder_types[i].icon_name[0] == '\0')
+			continue;
+
+		new = g_new (EvolutionShellComponentFolderType, 1);
+		new->name      = g_strdup (folder_types[i].name);
+		new->icon_name = g_strdup (folder_types[i].icon_name);
+
+		priv->folder_types = g_list_prepend (priv->folder_types, new);
+	}
+
+	if (priv->folder_types == NULL)
+		g_warning ("No valid folder types constructing EShellComponent %p", shell_component);
+}
+
+EvolutionShellComponent *
+evolution_shell_component_new (const EvolutionShellComponentFolderType folder_types[],
+			       EvolutionShellComponentCreateViewFn create_view_fn,
+			       void *closure)
+{
+	EvolutionShellComponent *new;
+	POA_Evolution_ShellComponent *servant;
+	Evolution_ShellComponent corba_object;
+
+	servant = create_servant ();
+	if (servant == NULL)
+		return NULL;
+
+	new = gtk_type_new (evolution_shell_component_get_type ());
+
+	corba_object = bonobo_object_activate_servant (BONOBO_OBJECT (new), servant);
+	evolution_shell_component_construct (new, folder_types, corba_object, create_view_fn, closure);
+
+	return new;
+}
+
+
+E_MAKE_TYPE (evolution_shell_component, "EvolutionShellComponent", EvolutionShellComponent,
+	     class_init, init, PARENT_TYPE)