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/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
/* e-shell-config-offline.c - Configuration page for offline synchronization.
 *
 * Copyright (C) 2002 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 <ettore@ximian.com>
 */

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


#include "e-shell-config-offline.h"

#include "evolution-config-control.h"
#include "e-storage-set-view.h"

#include "Evolution.h"

#include <bonobo-conf/Bonobo_Config.h>
#include <bonobo/bonobo-exception.h>

#include <gal/widgets/e-scroll-frame.h>
#include <gtk/gtkwidget.h>


struct _PageData {
    EShell *shell;
    GtkWidget *storage_set_view;
    EvolutionConfigControl *config_control;
};
typedef struct _PageData PageData;


/* Callbacks.  */

static void
config_control_destroy_callback (GtkObject *object,
                 void *data)
{
    PageData *page_data;

    page_data = (PageData *) data;
    gtk_widget_destroy (page_data->storage_set_view);
    g_free (page_data);
}

static void
config_control_apply_callback (EvolutionConfigControl *config_control,
                   void *data)
{
    CORBA_Environment ev;
    CORBA_sequence_CORBA_string *paths;
    CORBA_any any;
    PageData *page_data;
    GList *checked_paths;
    GList *p;
    int i;

    page_data = (PageData *) data;

    checked_paths = e_storage_set_view_get_checkboxes_list (E_STORAGE_SET_VIEW (page_data->storage_set_view));

    paths = CORBA_sequence_CORBA_string__alloc ();
    paths->_maximum = paths->_length = g_list_length (checked_paths);
    paths->_buffer = CORBA_sequence_CORBA_string_allocbuf (paths->_maximum);

    for (p = checked_paths, i = 0; p != NULL; p = p->next, i ++)
        paths->_buffer[i] = CORBA_string_dup ((const char *) p->data);

    any._type = TC_CORBA_sequence_CORBA_string;
    any._value = paths;

    CORBA_exception_init (&ev);

    Bonobo_ConfigDatabase_setValue (e_shell_get_config_db (page_data->shell),
                    "/OfflineFolders/paths", &any, &ev);
    if (BONOBO_EX (&ev))
        g_warning ("Cannot set /OfflineFolders/paths from ConfigDatabase -- %s", BONOBO_EX_ID (&ev));

    CORBA_exception_free (&ev);

    g_list_free (checked_paths);
}

static void
storage_set_view_checkboxes_changed_callback (EStorageSetView *storage_set_view,
                          void *data)
{
    PageData *page_data;

    page_data = (PageData *) data;
    evolution_config_control_changed (page_data->config_control);
}


/* Construction.  */

static void
init_storage_set_view_status_from_config (EStorageSetView *storage_set_view,
                      EShell *shell)
{
    Bonobo_ConfigDatabase config_db;
    CORBA_Environment ev;
    CORBA_any *any;
    CORBA_sequence_CORBA_string *sequence;
    GList *list;
    int i;

    config_db = e_shell_get_config_db (shell);
    g_assert (config_db != CORBA_OBJECT_NIL);

    CORBA_exception_init (&ev);

    any = Bonobo_ConfigDatabase_getValue (config_db, "/OfflineFolders/paths", "", &ev);
    if (BONOBO_EX (&ev)) {
        g_warning ("Cannot get /OfflineFolders/paths from ConfigDatabase -- %s", BONOBO_EX_ID (&ev));
        CORBA_exception_free (&ev);
        return;
    }

    if (! CORBA_TypeCode_equal (any->_type, TC_CORBA_sequence_CORBA_string, &ev) || BONOBO_EX (&ev)) {
        g_warning ("/OfflineFolders/Paths in ConfigDatabase is not the expected type");
        CORBA_free (any);
        CORBA_exception_free (&ev);
        return;
    }

    sequence = (CORBA_sequence_CORBA_string *) any->_value;

    list = NULL;
    for (i = 0; i < sequence->_length; i ++)
        list = g_list_prepend (list, sequence->_buffer[i]);

    e_storage_set_view_set_checkboxes_list (storage_set_view, list);

    g_list_free (list);
    CORBA_free (any);

    CORBA_exception_free (&ev);
}

BonoboObject *
e_shell_config_offline_create_control (EShell *shell)
{
    PageData *page_data;
    GtkWidget *scroll_frame;

    g_return_val_if_fail (E_IS_SHELL (shell), NULL);

    page_data = g_new (PageData, 1);
    page_data->shell = shell;

    page_data->storage_set_view = e_storage_set_new_view (e_shell_get_storage_set (shell), NULL);
        e_storage_set_view_set_show_checkboxes (E_STORAGE_SET_VIEW (page_data->storage_set_view), TRUE,
                        NULL, NULL);
    gtk_widget_show (page_data->storage_set_view);

    init_storage_set_view_status_from_config (E_STORAGE_SET_VIEW (page_data->storage_set_view), shell);
    gtk_signal_connect (GTK_OBJECT (page_data->storage_set_view), "checkboxes_changed",
                GTK_SIGNAL_FUNC (storage_set_view_checkboxes_changed_callback), page_data);

    scroll_frame = e_scroll_frame_new (NULL, NULL);
    e_scroll_frame_set_shadow_type (E_SCROLL_FRAME (scroll_frame), GTK_SHADOW_IN);
    e_scroll_frame_set_policy (E_SCROLL_FRAME (scroll_frame),
                   GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
    gtk_container_add (GTK_CONTAINER (scroll_frame), page_data->storage_set_view);
    gtk_widget_show (scroll_frame);

    page_data->config_control = evolution_config_control_new (scroll_frame);

    gtk_signal_connect (GTK_OBJECT (page_data->config_control), "destroy",
                GTK_SIGNAL_FUNC (config_control_destroy_callback), page_data);
    gtk_signal_connect (GTK_OBJECT (page_data->config_control), "apply",
                GTK_SIGNAL_FUNC (config_control_apply_callback), page_data);

    return BONOBO_OBJECT (page_data->config_control);
}