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path: root/my-evolution/e-summary-offline-handler.c
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/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
/* e-summary-offline-handler.c
 *
 * Copyright (C) 2001 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.
 *
 * Authors: 
 * Ettore Perazzoli <ettore@ximian.com>
 * Dan Winship <danw@ximian.com>
 * Iain Holmes  <iain@ximian.com>
 */

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include "e-summary-offline-handler.h"
#include "e-summary.h"

#include <bonobo/bonobo-exception.h>
#include <gtk/gtkmain.h>
#include <gal/util/e-util.h>

#define PARENT_TYPE bonobo_x_object_get_type ()
static BonoboXObjectClass *parent_class = NULL;

struct _ESummaryOfflineHandlerPriv {
    ESummary *summary;
    GNOME_Evolution_OfflineProgressListener listener_interface;
};

GNOME_Evolution_ConnectionList *
e_summary_offline_handler_create_connection_list (ESummary *summary)
{
    GNOME_Evolution_ConnectionList *list;
    GList *connections, *p;

    list = GNOME_Evolution_ConnectionList__alloc ();
    list->_length = 0;
    list->_maximum = e_summary_count_connections (summary) + 1;
    list->_buffer = CORBA_sequence_GNOME_Evolution_Connection_allocbuf (list->_maximum);

    g_print ("_length: %d\n_maximum: %d\n", list->_length, list->_maximum);
    connections = e_summary_add_connections (summary);
    for (p = connections; p; p = p->next) {
        ESummaryConnectionData *data;

        data = p->data;
        list->_buffer[list->_length].hostName = CORBA_string_dup (data->hostname);
        list->_buffer[list->_length].type = CORBA_string_dup (data->type);
        list->_length++;

        g_free (data->hostname);
        g_free (data->type);
        g_free (data);
    }
    g_list_free (connections);
    
    return list;
}

/* GNOME::Evolution::Offline methods. */
static CORBA_boolean
impl__get_isOffline (PortableServer_Servant servant,
             CORBA_Environment *ev)
{
    ESummaryOfflineHandler *offline_handler;

    offline_handler = E_SUMMARY_OFFLINE_HANDLER (bonobo_object_from_servant (servant));
    if (offline_handler->priv->summary != NULL) {
        return offline_handler->priv->summary->online;
    }

    return TRUE;
}

static void
impl_prepareForOffline (PortableServer_Servant servant,
            GNOME_Evolution_ConnectionList **active_connection_list,
            CORBA_Environment *ev)
{
    ESummaryOfflineHandler *offline_handler;
    ESummaryOfflineHandlerPriv *priv;

    offline_handler = E_SUMMARY_OFFLINE_HANDLER (bonobo_object_from_servant (servant));
    priv = offline_handler->priv;

    if (priv->summary != NULL) {
        *active_connection_list = e_summary_offline_handler_create_connection_list (priv->summary);
    }
}

static void
went_offline (ESummary *summary,
          void *data)
{
    ESummaryOfflineHandler *offline_handler = data;
    ESummaryOfflineHandlerPriv *priv;
    CORBA_Environment ev;
    GNOME_Evolution_ConnectionList *connection_list;

    g_return_if_fail (summary != NULL);
    g_return_if_fail (IS_E_SUMMARY (summary));
    g_return_if_fail (offline_handler != NULL);

    priv = offline_handler->priv;
    connection_list = e_summary_offline_handler_create_connection_list (summary);

    CORBA_exception_init (&ev);

    g_warning ("Went offline");
    GNOME_Evolution_OfflineProgressListener_updateProgress (priv->listener_interface, connection_list, &ev); 
    if (BONOBO_EX (&ev)) { 
        g_warning ("Error updating offline progress: %s", 
               CORBA_exception_id (&ev)); 
    } 

    CORBA_exception_free (&ev);
}

static void
impl_goOffline (PortableServer_Servant servant,
        const GNOME_Evolution_OfflineProgressListener progress_listener,
        CORBA_Environment *ev)
{
    ESummaryOfflineHandler *offline_handler;
    ESummaryOfflineHandlerPriv *priv;

    offline_handler = E_SUMMARY_OFFLINE_HANDLER (bonobo_object_from_servant (servant));
    priv = offline_handler->priv;

    if (priv->summary != NULL) {
        priv->listener_interface = CORBA_Object_duplicate (progress_listener, ev);
        
        e_summary_set_online (priv->summary, progress_listener, FALSE, went_offline, offline_handler);
    }
}

static void
impl_goOnline (PortableServer_Servant servant,
           CORBA_Environment *ev)
{
    ESummaryOfflineHandler *offline_handler;

    offline_handler = E_SUMMARY_OFFLINE_HANDLER (bonobo_object_from_servant (servant));
    if (offline_handler->priv->summary != NULL) {
        e_summary_set_online (offline_handler->priv->summary, NULL, TRUE, NULL, NULL);
    }
}

/* GtkObject methods */
static void
impl_destroy (GtkObject *object)
{
    ESummaryOfflineHandler *offline_handler;
    ESummaryOfflineHandlerPriv *priv;

    offline_handler = E_SUMMARY_OFFLINE_HANDLER (object);
    priv = offline_handler->priv;

    if (priv == NULL) {
        return;
    }

    if (priv->listener_interface != CORBA_OBJECT_NIL) {
        CORBA_Environment ev;

        CORBA_exception_init (&ev);
        CORBA_Object_release (priv->listener_interface, &ev);
        CORBA_exception_free (&ev);
    }

    gtk_object_unref (GTK_OBJECT (priv->summary));

    offline_handler->priv = NULL;
    g_free (priv);

    if (GTK_OBJECT_CLASS (parent_class)->destroy != NULL) {
        GTK_OBJECT_CLASS (parent_class)->destroy (object);
    }
}

static void
e_summary_offline_handler_class_init (ESummaryOfflineHandlerClass *klass)
{
    GtkObjectClass *object_class;
    POA_GNOME_Evolution_Offline__epv *epv;

    object_class = GTK_OBJECT_CLASS (klass);
    object_class->destroy = impl_destroy;

    epv = &klass->epv;
    epv->_get_isOffline = impl__get_isOffline;
    epv->prepareForOffline = impl_prepareForOffline;
    epv->goOffline = impl_goOffline;
    epv->goOnline = impl_goOnline;

    parent_class = gtk_type_class (PARENT_TYPE);
}

static void
e_summary_offline_handler_init (ESummaryOfflineHandler *offline_handler)
{
    ESummaryOfflineHandlerPriv *priv;

    priv = g_new0 (ESummaryOfflineHandlerPriv, 1);

    offline_handler->priv = priv;
}

ESummaryOfflineHandler *
e_summary_offline_handler_new (void)
{
    ESummaryOfflineHandler *new;

    new = gtk_type_new (e_summary_offline_handler_get_type ());

    return new;
}

void
e_summary_offline_handler_set_summary (ESummaryOfflineHandler *handler,
                       ESummary *summary)
{
    g_return_if_fail (handler != NULL);
    g_return_if_fail (summary != NULL);
    g_return_if_fail (IS_E_SUMMARY (summary));

    handler->priv->summary = summary;
    gtk_object_ref (GTK_OBJECT (summary));
}

BONOBO_X_TYPE_FUNC_FULL (ESummaryOfflineHandler, GNOME_Evolution_Offline, PARENT_TYPE, e_summary_offline_handler);