path: root/shell/evolution-storage-listener.c

/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
/* evolution-storage-listener.c
 *
 * Copyright (C) 2000  Ximian, Inc.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of version 2 of the GNU General Public
 * License as published by the Free Software Foundation.
 *
 * 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 <gtk/gtksignal.h>
#include <bonobo/bonobo-main.h>
#include <gal/util/e-util.h>

#include "evolution-storage-listener.h"


#define PARENT_TYPE gtk_object_get_type ()
static GtkObjectClass *parent_class = NULL;

struct _EvolutionStorageListenerPrivate {
    GNOME_Evolution_StorageListener corba_objref;
    EvolutionStorageListenerServant *servant;
};


enum {
    DESTROYED,
    NEW_FOLDER,
    UPDATE_FOLDER,
    REMOVED_FOLDER,
    HAS_SUBFOLDERS,
    LAST_SIGNAL
};
static guint signals[LAST_SIGNAL] = { 0 };


/* Evolution::StorageListener implementation.  */

static POA_GNOME_Evolution_StorageListener__vepv my_GNOME_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_GNOME_Evolution_StorageListener_notifyDestroyed (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_GNOME_Evolution_StorageListener_notifyFolderCreated (PortableServer_Servant servant,
                              const CORBA_char *path,
                              const GNOME_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_GNOME_Evolution_StorageListener_notifyFolderUpdated (PortableServer_Servant servant,
                              const CORBA_char *path,
                              CORBA_long unread_count,
                              CORBA_Environment *ev)
{
    EvolutionStorageListener *listener;
    EvolutionStorageListenerPrivate *priv;

    listener = gtk_object_from_servant (servant);
    priv = listener->priv;

    gtk_signal_emit (GTK_OBJECT (listener), signals[UPDATE_FOLDER], path,
             unread_count);
}

static void
impl_GNOME_Evolution_StorageListener_notifyFolderRemoved (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 void
impl_GNOME_Evolution_StorageListener_notifyHasSubfolders (PortableServer_Servant servant,
                              const CORBA_char *path,
                              const CORBA_char *message,
                              CORBA_Environment *ev)
{
    EvolutionStorageListener *listener;
    EvolutionStorageListenerPrivate *priv;

    listener = gtk_object_from_servant (servant);
    priv = listener->priv;

    gtk_signal_emit (GTK_OBJECT (listener), signals[HAS_SUBFOLDERS], path, message);
}

static EvolutionStorageListenerServant *
create_servant (EvolutionStorageListener *listener)
{
    EvolutionStorageListenerServant *servant;
    POA_GNOME_Evolution_StorageListener *corba_servant;
    CORBA_Environment ev;

    CORBA_exception_init (&ev);

    servant = g_new0 (EvolutionStorageListenerServant, 1);
    corba_servant = (POA_GNOME_Evolution_StorageListener *) servant;

    corba_servant->vepv = &my_GNOME_Evolution_StorageListener_vepv;
    POA_GNOME_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 servant;
}

static GNOME_Evolution_StorageListener
activate_servant (EvolutionStorageListener *listener,
          POA_GNOME_Evolution_StorageListener *servant)
{
    GNOME_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_GNOME_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_GNOME_Evolution_StorageListener__vepv *vepv;
    POA_GNOME_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_GNOME_Evolution_StorageListener__epv, 1);
    epv->notifyDestroyed     = impl_GNOME_Evolution_StorageListener_notifyDestroyed;
    epv->notifyFolderCreated = impl_GNOME_Evolution_StorageListener_notifyFolderCreated;
    epv->notifyFolderUpdated = impl_GNOME_Evolution_StorageListener_notifyFolderUpdated;
    epv->notifyFolderRemoved = impl_GNOME_Evolution_StorageListener_notifyFolderRemoved;
    epv->notifyHasSubfolders = impl_GNOME_Evolution_StorageListener_notifyHasSubfolders;

    vepv = & my_GNOME_Evolution_StorageListener_vepv;
    vepv->_base_epv                     = base_epv;
    vepv->GNOME_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[UPDATE_FOLDER]  = gtk_signal_new ("update_folder",
                          GTK_RUN_FIRST,
                          object_class->type,
                          GTK_SIGNAL_OFFSET (EvolutionStorageListenerClass, update_folder),
                          gtk_marshal_NONE__POINTER_INT,
                          GTK_TYPE_NONE, 2,
                          GTK_TYPE_STRING,
                          GTK_TYPE_INT);

    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);

    signals[HAS_SUBFOLDERS] = gtk_signal_new ("has_subfolders",
                          GTK_RUN_FIRST,
                          object_class->type,
                          GTK_SIGNAL_OFFSET (EvolutionStorageListenerClass, has_subfolders),
                          gtk_marshal_NONE__POINTER_POINTER,
                          GTK_TYPE_NONE, 2,
                          GTK_TYPE_STRING,
                          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,
                      GNOME_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;

    GTK_OBJECT_UNSET_FLAGS (GTK_OBJECT (listener), GTK_FLOATING);
}

EvolutionStorageListener *
evolution_storage_listener_new (void)
{
    EvolutionStorageListener *new;
    EvolutionStorageListenerPrivate *priv;
    GNOME_Evolution_StorageListener corba_objref;

    new = gtk_type_new (evolution_storage_listener_get_type ());
    priv = new->priv;

    priv->servant = create_servant (new);
    corba_objref = activate_servant (new, (POA_GNOME_Evolution_StorageListener *) priv->servant);

    evolution_storage_listener_construct (new, corba_objref);

    return new;
}


/**
 * evolution_storage_listener_corba_objref:
 * @listener: A pointer to an EvolutionStorageListener
 * 
 * Get the CORBA object reference for the interface embedded in this GTK+
 * object wrapper.
 * 
 * Return value: A pointer to the CORBA object reference.
 **/
GNOME_Evolution_StorageListener
evolution_storage_listener_corba_objref (EvolutionStorageListener *listener)
{
    EvolutionStorageListenerPrivate *priv;

    g_return_val_if_fail (listener != NULL, CORBA_OBJECT_NIL);
    g_return_val_if_fail (EVOLUTION_IS_STORAGE_LISTENER (listener), CORBA_OBJECT_NIL);

    priv = listener->priv;
    return priv->corba_objref;
}


E_MAKE_TYPE (evolution_storage_listener, "EvolutionStorageListener", EvolutionStorageListener,
         class_init, init, PARENT_TYPE)