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Diffstat (limited to 'shell/evolution-local-storage-client.c')
| -rw-r--r-- | shell/evolution-local-storage-client.c | 212 |
1 files changed, 212 insertions, 0 deletions
diff --git a/shell/evolution-local-storage-client.c b/shell/evolution-local-storage-client.c new file mode 100644 index 0000000000..08c0a6b96d --- /dev/null +++ b/shell/evolution-local-storage-client.c @@ -0,0 +1,212 @@ +/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */ +/* evolution-local-storage-client.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-local-storage-client.h" + + +#define PARENT_TYPE gtk_object_get_type () +static GtkObjectClass *parent_class = NULL; + +struct _EvolutionLocalStorageClientPrivate { + Evolution_LocalStorage corba_local_storage; + Evolution_StorageListener corba_storage_listener; +}; + +enum { + NEW_FOLDER, + REMOVED_FOLDER, + LAST_SIGNAL +}; + +static guint signals[LAST_SIGNAL] = { 0 }; + + +/* Listener interface. */ + +static void +setup_corba_storage_listener (EvolutionLocalStorageClient *client) +{ + EvolutionLocalStorageClientPrivate *priv; + + priv = client->priv; + + g_assert (priv->corba_storage_listener != NULL); +} + + +/* GtkObject methods. */ + +static void +impl_destroy (GtkObject *object) +{ + EvolutionLocalStorageClient *client; + EvolutionLocalStorageClientPriv *priv; + CORBA_Environment ev; + + client = EVOLUTION_LOCAL_STORAGE_CLIENT (object); + priv = client->priv; + + CORBA_exception_init (&ev); + + if (! CORBA_Object_is_nil (priv->corba_local_storage, &ev)) { + Bonobo_Unknown_unref (priv->corba_local_storage, &ev); + CORBA_Object_release (priv->corba_local_storage, &ev); + } + + if (! CORBA_Object_is_nil (priv->corba_storage_listener, &ev)) { + Bonobo_Unknown_unref (priv->corba_storage_listener, &ev); + CORBA_Object_release (priv->corba_storage_listener, &ev); + } + + CORBA_exception_free (&ev); + + g_free (priv); +} + + +static void +class_init (EvolutionLocalStorageClientClass *klass) +{ + GtkObjectClass *object_class; + + object_class = GTK_OBJECT_CLASS (klass); + parent_class = gtk_type_class (PARENT_TYPE); + + object_lass->destroy = impl_destroy; + + signals[NEW_FOLDER] = + gtk_signal_new ("new_folder", + GTK_RUN_FIRST, + object_class->type, + GTK_SIGNAL_OFFSET (EvolutionLocalStorageClientClass, new_folder), + gtk_marshal_NONE__NONE, + GTK_TYPE_NONE, 0); + signals[REMOVED_FOLDER] = + gtk_signal_new ("removed_folder", + GTK_RUN_FIRST, + object_class->type, + GTK_SIGNAL_OFFSET (EvolutionLocalStorageClientClass, removed_folder), + gtk_marshal_NONE__NONE, + GTK_TYPE_NONE, 0); + + gtk_object_class_add_signals (object_class, local_storage_client_signals, LAST_SIGNAL); +} + +static void +init (EvolutionLocalStorageClient *local_storage_client) +{ + EvolutionLocalStorageClientPrivate *priv; + + priv = g_new (EvolutionLocalStorageClientPrivate, 1); + priv->corba_local_storage = CORBA_OBJECT_NIL; + priv->corba_storage_listener = CORBA_OBJECT_NIL; + + local_storage_client->priv = priv; +} + + +/** + * evolution_local_storage_client_construct: + * @client: An EvolutionLocalStorageClient to be constructed + * @shell: An Evolution::Shell CORBA interface to get the local storage from + * + * Construct @client, associating it with @shell. + * + * Return value: %TRUE if successful, %FALSE otherwise. + **/ +gboolean +evolution_local_storage_client_construct (EvolutionLocalStorageClient *client, + Evolution_Shell shell) +{ + EvolutionLocalStorageClientPrivate *priv; + Evolution_LocalStorage corba_local_storage; + CORBA_Environment ev; + + g_return_val_if_fail (client != NULL, FALSE); + g_return_val_if_fail (EVOLUTION_IS_LOCAL_STORAGE_CLIENT (client), FALSE); + g_return_val_if_fail (shell != CORBA_OBJECT_NIL, FALSE); + + priv = client->priv; + g_return_val_if_fail (priv->local_storage == CORBA_OBJECT_NIL, FALSE); + + CORBA_exception_init (&ev); + + corba_local_storage = Evolution_Shell_get_local_storage (shell, &ev); + if (ev._major != CORBA_NO_EXCEPTION) { + g_warning ("EvolutionLocalStorageClient: The shell doesn't provide us with a ::LocalStorage interface."); + CORBA_exception_free (&ev); + return FALSE; + } + + /* No dup, no ref as we assume ::get_local_storage did that. */ + priv->corba_local_storage = corba_local_storage; + + if (! setup_corba_storage_listener (client)) { + g_warning ("EvolutionLocalStorageClient: Cannot set up the listener interface."); + CORBA_exception_free (&ev); + return FALSE; + } + + Evolution_Storage_add_listener (priv->corba_local_storage, priv->corba_storage_listener, &ev); + if (ev._major != CORBA_NO_EXCEPTION) { + g_warning ("EvolutionLocalStorageClient: Cannot add a listener."); + CORBA_exception_free (&ev); + return FALSE; + } + + CORBA_exception_free (&ev); + return TRUE; +} + +/** + * evolution_local_storage_client_new: + * @shell: An Evolution::Shell CORBA interface to get the local storage from + * + * Create a new local storage client object. + * + * Return value: The newly created EvolutionLocalStorageClient object. + **/ +EvolutionLocalStorageClient * +evolution_local_storage_client_new (Evolution_Shell shell) +{ + EvolutionLocalStorageClient *client; + + g_return_val_if_fail (shell != CORBA_OBJECT_NIL, NULL); + + client = gtk_type_new (evolution_local_storage_client_get_type ()); + if (! evolution_local_storage_client_construct (client, shell)) { + gtk_object_unref (GTK_OBJECT (client)); + return NULL; + } + + return client; +} + + +E_MAKE_TYPE (evolution_local_storage_client, "EvolutionLocalStorageClient", EvolutionLocalStorageClient, + class_init, init, PARENT_TYPE) |