/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
/* evolution-storage.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 <gal/util/e-util.h>
#include "e-util/e-corba-utils.h"
#include "e-folder-tree.h"
#include "evolution-storage.h"
#define PARENT_TYPE BONOBO_OBJECT_TYPE
static BonoboObjectClass *parent_class = NULL;
struct _EvolutionStoragePrivate {
/* Name of the storage. */
char *name;
/* URI for the toplevel node of the storage. */
char *toplevel_node_uri;
/* Type for the toplevel node of the storage. */
char *toplevel_node_type;
/* The set of folders we have in this storage. */
EFolderTree *folder_tree;
/* Mappings from URIs to folder tree paths. */
GHashTable *uri_to_path;
/* The listener registered on this storage. */
GList *corba_storage_listeners;
};
/* Utility functions. */
static void
list_through_listener_foreach (EFolderTree *tree,
const char *path,
void *data,
void *closure)
{
const GNOME_Evolution_Folder *corba_folder;
GNOME_Evolution_StorageListener corba_listener;
CORBA_Environment ev;
corba_folder = (GNOME_Evolution_Folder *) data;
corba_listener = (GNOME_Evolution_StorageListener) closure;
/* The root folder has no data. */
if (corba_folder == NULL)
return;
CORBA_exception_init (&ev);
GNOME_Evolution_StorageListener_notifyFolderCreated (corba_listener, path, corba_folder, &ev);
CORBA_exception_free (&ev);
}
static void
list_through_listener (EvolutionStorage *storage,
GNOME_Evolution_StorageListener listener,
CORBA_Environment *ev)
{
EvolutionStoragePrivate *priv;
priv = storage->priv;
e_folder_tree_foreach (priv->folder_tree,
list_through_listener_foreach,
listener);
}
static GList *
find_listener_in_list (const GNOME_Evolution_StorageListener listener,
GList *list)
{
CORBA_Environment ev;
GList *p;
CORBA_exception_init (&ev);
for (p = list; p != NULL; p = p->next) {
GNOME_Evolution_StorageListener listener_item;
listener_item = (GNOME_Evolution_StorageListener) p->data;
if (CORBA_Object_is_equivalent (listener_item, listener, &ev) && ev._major == CORBA_NO_EXCEPTION)
return p;
}
CORBA_exception_free (&ev);
return NULL;
}
static gboolean
add_listener (EvolutionStorage *storage,
const GNOME_Evolution_StorageListener listener)
{
EvolutionStoragePrivate *priv;
GNOME_Evolution_StorageListener listener_copy;
CORBA_Environment ev;
priv = storage->priv;
if (find_listener_in_list (listener, priv->corba_storage_listeners) != NULL)
return FALSE;
CORBA_exception_init (&ev);
listener_copy = CORBA_Object_duplicate (listener, &ev);
if (ev._major != CORBA_NO_EXCEPTION) {
/* Panic. */
g_warning ("EvolutionStorage -- Cannot duplicate listener.");
CORBA_exception_free (&ev);
/* FIXME this will cause the ::add_listener implementation to
incorrectly raise `AlreadyListening' */
return FALSE;
}
priv->corba_storage_listeners = g_list_prepend (priv->corba_storage_listeners,
listener_copy);
list_through_listener (storage, listener_copy, &ev);
CORBA_exception_free (&ev);
return TRUE;
}
static gboolean
remove_listener (EvolutionStorage *storage,
const GNOME_Evolution_StorageListener listener)
{
EvolutionStoragePrivate *priv;
CORBA_Environment ev;
GList *p;
priv = storage->priv;
p = find_listener_in_list (listener, priv->corba_storage_listeners);
if (p == NULL)
return FALSE;
CORBA_exception_init (&ev);
CORBA_Object_release ((CORBA_Object) p->data, &ev);
CORBA_exception_free (&ev);
priv->corba_storage_listeners = g_list_remove_link (priv->corba_storage_listeners, p);
return TRUE;
}
/* Functions for the EFolderTree in the storage. */
static void
folder_destroy_notify (EFolderTree *tree,
const char *path,
void *data,
void *closure)
{
GNOME_Evolution_Folder *corba_folder;
corba_folder = (GNOME_Evolution_Folder *) data;
CORBA_free (data);
}
/* CORBA interface implementation. */
static POA_GNOME_Evolution_Storage__vepv Storage_vepv;
static POA_GNOME_Evolution_Storage *
create_servant (void)
{
POA_GNOME_Evolution_Storage *servant;
CORBA_Environment ev;
servant = (POA_GNOME_Evolution_Storage *) g_new0 (BonoboObjectServant, 1);
servant->vepv = &Storage_vepv;
CORBA_exception_init (&ev);
POA_GNOME_Evolution_Storage__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 CORBA_char *
impl_Storage__get_name (PortableServer_Servant servant,
CORBA_Environment *ev)
{
BonoboObject *bonobo_object;
EvolutionStorage *storage;
EvolutionStoragePrivate *priv;
bonobo_object = bonobo_object_from_servant (servant);
storage = EVOLUTION_STORAGE (bonobo_object);
priv = storage->priv;
return CORBA_string_dup (priv->name);
}
static void
impl_Storage_add_listener (PortableServer_Servant servant,
const GNOME_Evolution_StorageListener listener,
CORBA_Environment *ev)
{
BonoboObject *bonobo_object;
EvolutionStorage *storage;
bonobo_object = bonobo_object_from_servant (servant);
storage = EVOLUTION_STORAGE (bonobo_object);
if (! add_listener (storage, listener))
CORBA_exception_set (ev, CORBA_USER_EXCEPTION, ex_GNOME_Evolution_Storage_AlreadyListening, NULL);
}
static void
impl_Storage_remove_listener (PortableServer_Servant servant,
const GNOME_Evolution_StorageListener listener,
CORBA_Environment *ev)
{
BonoboObject *bonobo_object;
EvolutionStorage *storage;
bonobo_object = bonobo_object_from_servant (servant);
storage = EVOLUTION_STORAGE (bonobo_object);
if (! remove_listener (storage, listener))
CORBA_exception_set (ev, CORBA_USER_EXCEPTION, ex_GNOME_Evolution_Storage_NotFound, NULL);
}
/* GtkObject methods. */
static void
free_mapping (gpointer key, gpointer value, gpointer user_data)
{
g_free (key);
g_free (value);
}
static void
destroy (GtkObject *object)
{
EvolutionStorage *storage;
EvolutionStoragePrivate *priv;
CORBA_Environment ev;
GList *p;
storage = EVOLUTION_STORAGE (object);
priv = storage->priv;
g_free (priv->name);
g_free (priv->toplevel_node_uri);
g_free (priv->toplevel_node_type);
if (priv->folder_tree != NULL)
e_folder_tree_destroy (priv->folder_tree);
if (priv->uri_to_path != NULL) {
g_hash_table_foreach (priv->uri_to_path, free_mapping, NULL);
g_hash_table_destroy (priv->uri_to_path);
}
CORBA_exception_init (&ev);
for (p = priv->corba_storage_listeners; p != NULL; p = p->next) {
GNOME_Evolution_StorageListener listener;
listener = p->data;
GNOME_Evolution_StorageListener_notifyDestroyed (listener, &ev);
/* (This is not a Bonobo object, so no unref.) */
CORBA_Object_release (listener, &ev);
}
g_list_free (priv->corba_storage_listeners);
CORBA_exception_free (&ev);
g_free (priv);
(* GTK_OBJECT_CLASS (parent_class)->destroy) (object);
}
static void
corba_class_init (void)
{
POA_GNOME_Evolution_Storage__vepv *vepv;
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;
vepv = &Storage_vepv;
vepv->_base_epv = base_epv;
vepv->Bonobo_Unknown_epv = bonobo_object_get_epv ();
vepv->GNOME_Evolution_Storage_epv = evolution_storage_get_epv ();
}
static void
class_init (EvolutionStorageClass *klass)
{
GtkObjectClass *object_class;
object_class = GTK_OBJECT_CLASS (klass);
object_class->destroy = destroy;
parent_class = gtk_type_class (bonobo_object_get_type ());
corba_class_init ();
}
static void
init (EvolutionStorage *storage)
{
EvolutionStoragePrivate *priv;
priv = g_new (EvolutionStoragePrivate, 1);
priv->name = NULL;
priv->toplevel_node_uri = NULL;
priv->toplevel_node_type = NULL;
priv->folder_tree = e_folder_tree_new (folder_destroy_notify, storage);
priv->uri_to_path = g_hash_table_new (g_str_hash, g_str_equal);
priv->corba_storage_listeners = NULL;
storage->priv = priv;
}
POA_GNOME_Evolution_Storage__epv *
evolution_storage_get_epv (void)
{
POA_GNOME_Evolution_Storage__epv *epv;
epv = g_new0 (POA_GNOME_Evolution_Storage__epv, 1);
epv->_get_name = impl_Storage__get_name;
epv->addListener = impl_Storage_add_listener;
epv->removeListener = impl_Storage_remove_listener;
return epv;
}
void
evolution_storage_construct (EvolutionStorage *storage,
GNOME_Evolution_Storage corba_object,
const char *name,
const char *toplevel_node_uri,
const char *toplevel_node_type)
{
EvolutionStoragePrivate *priv;
CORBA_Environment ev;
g_return_if_fail (storage != NULL);
g_return_if_fail (EVOLUTION_IS_STORAGE (storage));
g_return_if_fail (corba_object != CORBA_OBJECT_NIL);
g_return_if_fail (name != NULL);
g_return_if_fail (name[0] != '\0');
CORBA_exception_init (&ev);
bonobo_object_construct (BONOBO_OBJECT (storage), corba_object);
priv = storage->priv;
priv->name = g_strdup (name);
priv->toplevel_node_uri = g_strdup (toplevel_node_uri);
priv->toplevel_node_type = g_strdup (toplevel_node_type);
CORBA_exception_free (&ev);
}
EvolutionStorage *
evolution_storage_new (const char *name,
const char *toplevel_node_uri,
const char *toplevel_node_type)
{
EvolutionStorage *new;
POA_GNOME_Evolution_Storage *servant;
GNOME_Evolution_Storage corba_object;
g_return_val_if_fail (name != NULL, NULL);
g_return_val_if_fail (name[0] != '\0', NULL);
servant = create_servant ();
if (servant == NULL)
return NULL;
new = gtk_type_new (evolution_storage_get_type ());
corba_object = bonobo_object_activate_servant (BONOBO_OBJECT (new), servant);
evolution_storage_construct (new, corba_object, name, toplevel_node_uri, toplevel_node_type);
return new;
}
EvolutionStorageResult
evolution_storage_register (EvolutionStorage *evolution_storage,
GNOME_Evolution_StorageRegistry corba_storage_registry)
{
EvolutionStorageResult result;
GNOME_Evolution_StorageListener corba_storage_listener;
GNOME_Evolution_Storage corba_storage;
EvolutionStoragePrivate *priv;
CORBA_Environment ev;
g_return_val_if_fail (evolution_storage != NULL,
EVOLUTION_STORAGE_ERROR_INVALIDPARAMETER);
g_return_val_if_fail (EVOLUTION_IS_STORAGE (evolution_storage),
EVOLUTION_STORAGE_ERROR_INVALIDPARAMETER);
g_return_val_if_fail (corba_storage_registry != CORBA_OBJECT_NIL,
EVOLUTION_STORAGE_ERROR_INVALIDPARAMETER);
priv = evolution_storage->priv;
if (priv->corba_storage_listeners != NULL)
return EVOLUTION_STORAGE_ERROR_ALREADYREGISTERED;
CORBA_exception_init (&ev);
corba_storage = bonobo_object_corba_objref (BONOBO_OBJECT (evolution_storage));
corba_storage_listener = GNOME_Evolution_StorageRegistry_addStorage (corba_storage_registry,
corba_storage,
priv->name,
e_safe_corba_string (priv->toplevel_node_uri),
e_safe_corba_string (priv->toplevel_node_type),
&ev);
if (ev._major == CORBA_NO_EXCEPTION) {
add_listener (evolution_storage, corba_storage_listener);
result = EVOLUTION_STORAGE_OK;
} else {
if (ev._major != CORBA_USER_EXCEPTION)
result = EVOLUTION_STORAGE_ERROR_CORBA;
else if (strcmp (CORBA_exception_id (&ev), ex_GNOME_Evolution_StorageRegistry_Exists) == 0)
result = EVOLUTION_STORAGE_ERROR_EXISTS;
else
result = EVOLUTION_STORAGE_ERROR_GENERIC;
}
CORBA_exception_free (&ev);
return result;
}
EvolutionStorageResult
evolution_storage_register_on_shell (EvolutionStorage *evolution_storage,
GNOME_Evolution_Shell corba_shell)
{
GNOME_Evolution_StorageRegistry corba_storage_registry;
EvolutionStorageResult result;
CORBA_Environment ev;
g_return_val_if_fail (evolution_storage != NULL,
EVOLUTION_STORAGE_ERROR_INVALIDPARAMETER);
g_return_val_if_fail (EVOLUTION_IS_STORAGE (evolution_storage),
EVOLUTION_STORAGE_ERROR_INVALIDPARAMETER);
g_return_val_if_fail (corba_shell != CORBA_OBJECT_NIL,
EVOLUTION_STORAGE_ERROR_INVALIDPARAMETER);
CORBA_exception_init (&ev);
corba_storage_registry = Bonobo_Unknown_queryInterface (corba_shell,
"IDL:GNOME/Evolution/StorageRegistry:1.0",
&ev);
if (corba_storage_registry == CORBA_OBJECT_NIL || ev._major != CORBA_NO_EXCEPTION) {
CORBA_exception_free (&ev);
return EVOLUTION_STORAGE_ERROR_NOREGISTRY;
}
result = evolution_storage_register (evolution_storage, corba_storage_registry);
Bonobo_Unknown_unref (corba_storage_registry, &ev);
CORBA_Object_release (corba_storage_registry, &ev);
CORBA_exception_free (&ev);
return result;
}
EvolutionStorageResult
evolution_storage_new_folder (EvolutionStorage *evolution_storage,
const char *path,
const char *display_name,
const char *type,
const char *physical_uri,
const char *description,
gboolean highlighted)
{
EvolutionStorageResult result;
EvolutionStoragePrivate *priv;
GNOME_Evolution_Folder *corba_folder;
CORBA_Environment ev;
GList *p;
g_return_val_if_fail (evolution_storage != NULL,
EVOLUTION_STORAGE_ERROR_INVALIDPARAMETER);
g_return_val_if_fail (EVOLUTION_IS_STORAGE (evolution_storage),
EVOLUTION_STORAGE_ERROR_INVALIDPARAMETER);
g_return_val_if_fail (path != NULL, EVOLUTION_STORAGE_ERROR_INVALIDPARAMETER);
g_return_val_if_fail (g_path_is_absolute (path), EVOLUTION_STORAGE_ERROR_INVALIDPARAMETER);
g_return_val_if_fail (type != NULL, EVOLUTION_STORAGE_ERROR_INVALIDPARAMETER);
g_return_val_if_fail (physical_uri != NULL, EVOLUTION_STORAGE_ERROR_INVALIDPARAMETER);
if (description == NULL)
description = "";
priv = evolution_storage->priv;
CORBA_exception_init (&ev);
corba_folder = GNOME_Evolution_Folder__alloc ();
corba_folder->display_name = CORBA_string_dup (display_name);
corba_folder->description = CORBA_string_dup (description);
corba_folder->type = CORBA_string_dup (type);
corba_folder->physical_uri = CORBA_string_dup (physical_uri);
corba_folder->highlighted = highlighted;
if (! e_folder_tree_add (priv->folder_tree, path, corba_folder)) {
CORBA_free (corba_folder);
return EVOLUTION_STORAGE_ERROR_EXISTS;
}
g_hash_table_insert (priv->uri_to_path, g_strdup (physical_uri), g_strdup (path));
result = EVOLUTION_STORAGE_OK;
for (p = priv->corba_storage_listeners; p != NULL; p = p->next) {
GNOME_Evolution_StorageListener listener;
listener = p->data;
GNOME_Evolution_StorageListener_notifyFolderCreated (listener, path, corba_folder, &ev);
if (ev._major == CORBA_NO_EXCEPTION)
continue;
if (ev._major != CORBA_USER_EXCEPTION)
result = EVOLUTION_STORAGE_ERROR_CORBA;
else if (strcmp (CORBA_exception_id (&ev), ex_GNOME_Evolution_StorageListener_Exists) == 0)
result = EVOLUTION_STORAGE_ERROR_EXISTS;
else
result = EVOLUTION_STORAGE_ERROR_GENERIC;
break;
}
CORBA_exception_free (&ev);
return result;
}
EvolutionStorageResult
evolution_storage_update_folder (EvolutionStorage *evolution_storage,
const char *path, const char *display_name,
gboolean highlighted)
{
EvolutionStorageResult result;
EvolutionStoragePrivate *priv;
CORBA_Environment ev;
GList *p;
GNOME_Evolution_Folder *corba_folder;
g_return_val_if_fail (evolution_storage != NULL,
EVOLUTION_STORAGE_ERROR_INVALIDPARAMETER);
g_return_val_if_fail (EVOLUTION_IS_STORAGE (evolution_storage),
EVOLUTION_STORAGE_ERROR_INVALIDPARAMETER);
g_return_val_if_fail (path != NULL, EVOLUTION_STORAGE_ERROR_INVALIDPARAMETER);
g_return_val_if_fail (g_path_is_absolute (path), EVOLUTION_STORAGE_ERROR_INVALIDPARAMETER);
priv = evolution_storage->priv;
if (priv->corba_storage_listeners == NULL)
return EVOLUTION_STORAGE_ERROR_NOTREGISTERED;
CORBA_exception_init (&ev);
result = EVOLUTION_STORAGE_OK;
for (p = priv->corba_storage_listeners; p != NULL; p = p->next) {
GNOME_Evolution_StorageListener listener;
listener = p->data;
GNOME_Evolution_StorageListener_notifyFolderUpdated (listener, path, display_name, highlighted, &ev);
if (ev._major != CORBA_NO_EXCEPTION)
continue;
if (ev._major != CORBA_USER_EXCEPTION)
result = EVOLUTION_STORAGE_ERROR_CORBA;
else if (strcmp (CORBA_exception_id (&ev), ex_GNOME_Evolution_StorageListener_NotFound) == 0)
result = EVOLUTION_STORAGE_ERROR_NOTFOUND;
else
result = EVOLUTION_STORAGE_ERROR_GENERIC;
break;
}
CORBA_exception_free (&ev);
if (result == EVOLUTION_STORAGE_OK) {
corba_folder = e_folder_tree_get_folder (priv->folder_tree, path);
if (corba_folder != NULL) {
CORBA_free (corba_folder->display_name);
corba_folder->display_name = CORBA_string_dup (display_name);
corba_folder->highlighted = highlighted;
} else
result = EVOLUTION_STORAGE_ERROR_NOTFOUND;
}
return result;
}
EvolutionStorageResult
evolution_storage_update_folder_by_uri (EvolutionStorage *evolution_storage,
const char *physical_uri,
const char *display_name,
gboolean highlighted)
{
EvolutionStoragePrivate *priv;
char *path;
g_return_val_if_fail (evolution_storage != NULL,
EVOLUTION_STORAGE_ERROR_INVALIDPARAMETER);
g_return_val_if_fail (EVOLUTION_IS_STORAGE (evolution_storage),
EVOLUTION_STORAGE_ERROR_INVALIDPARAMETER);
g_return_val_if_fail (physical_uri != NULL, EVOLUTION_STORAGE_ERROR_INVALIDPARAMETER);
priv = evolution_storage->priv;
path = g_hash_table_lookup (priv->uri_to_path, physical_uri);
return evolution_storage_update_folder (evolution_storage, path, display_name, highlighted);
}
EvolutionStorageResult
evolution_storage_removed_folder (EvolutionStorage *evolution_storage,
const char *path)
{
EvolutionStorageResult result;
EvolutionStoragePrivate *priv;
CORBA_Environment ev;
GNOME_Evolution_Folder *corba_folder;
gpointer key, value;
GList *p;
g_return_val_if_fail (evolution_storage != NULL,
EVOLUTION_STORAGE_ERROR_INVALIDPARAMETER);
g_return_val_if_fail (EVOLUTION_IS_STORAGE (evolution_storage),
EVOLUTION_STORAGE_ERROR_INVALIDPARAMETER);
g_return_val_if_fail (path != NULL, EVOLUTION_STORAGE_ERROR_INVALIDPARAMETER);
g_return_val_if_fail (g_path_is_absolute (path), EVOLUTION_STORAGE_ERROR_INVALIDPARAMETER);
priv = evolution_storage->priv;
if (priv->corba_storage_listeners == NULL)
return EVOLUTION_STORAGE_ERROR_NOTREGISTERED;
corba_folder = e_folder_tree_get_folder (priv->folder_tree, path);
if (corba_folder == NULL)
return EVOLUTION_STORAGE_ERROR_NOTFOUND;
if (g_hash_table_lookup_extended (priv->uri_to_path, corba_folder->physical_uri, &key, &value)) {
g_hash_table_remove (priv->uri_to_path, key);
g_free (key);
g_free (value);
}
e_folder_tree_remove (priv->folder_tree, path);
CORBA_exception_init (&ev);
result = EVOLUTION_STORAGE_OK;
for (p = priv->corba_storage_listeners; p != NULL; p = p->next) {
GNOME_Evolution_StorageListener listener;
listener = p->data;
GNOME_Evolution_StorageListener_notifyFolderRemoved (listener, path, &ev);
if (ev._major != CORBA_NO_EXCEPTION)
continue;
if (ev._major != CORBA_USER_EXCEPTION)
result = EVOLUTION_STORAGE_ERROR_CORBA;
else if (strcmp (CORBA_exception_id (&ev), ex_GNOME_Evolution_StorageListener_NotFound) == 0)
result = EVOLUTION_STORAGE_ERROR_NOTFOUND;
else
result = EVOLUTION_STORAGE_ERROR_GENERIC;
break;
}
CORBA_exception_free (&ev);
return result;
}
E_MAKE_TYPE (evolution_storage, "EvolutionStorage", EvolutionStorage, class_init, init, PARENT_TYPE)