/*

 * CDDL HEADER START

 *

 * The contents of this file are subject to the terms of the

 * Common Development and Distribution License (the "License").

 * You may not use this file except in compliance with the License.

 *

 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE

 * or http://www.opensolaris.org/os/licensing.

 * See the License for the specific language governing permissions

 * and limitations under the License.

 *

 * When distributing Covered Code, include this CDDL HEADER in each

 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.

 * If applicable, add the following below this CDDL HEADER, with the

 * fields enclosed by brackets "[]" replaced with your own identifying

 * information: Portions Copyright [yyyy] [name of copyright owner]

 *

 * CDDL HEADER END

 */

/*

 * Copyright 2008 Sun Microsystems, Inc. All rights reserved.

 * Use is subject to license terms.

 */

#ifdef HAVE_CONFIG_H

#include <config.h>

#endif

#include <gtk/gtk.h>

#include <glade/glade.h>

#include <gconf/gconf-client.h>

#include <libgnome/libgnome.h>

#include <libgnomeui/libgnomeui.h>

#include <libgnomevfs/gnome-vfs.h>

#include <eel/eel-vfs-extensions.h>

#include <eel/eel-string.h>

#include <stdio.h>

#include "fsexam-header.h"

#include "fsexam-ui.h"

#include "fsexam-dnd.h"

enum {

  FSEXAM_ICON_DND_GNOME_ICON_LIST,

  FSEXAM_ICON_DND_URI_LIST,

  FSEXAM_ICON_DND_TEXT

};

static GtkTargetEntry drop_types[] = {

            {"text/uri-list", 0, FSEXAM_ICON_DND_URI_LIST},

            {"text/plain", 0, FSEXAM_ICON_DND_TEXT},

            {"x-special/gnome-icon-list", 0, FSEXAM_ICON_DND_GNOME_ICON_LIST}

};

static void

drag_data_received_callback (GtkWidget *widget,

                             GdkDragContext *context,

                             gint x, 

                             gint y,

                             GtkSelectionData *data,

                             guint info,

                             guint32 time,

                             gpointer user_data)

{

    gchar    *canonical_uri = NULL, *local_path, *p;

    gchar    **uris = NULL;

    gint     i;

    uris = g_uri_list_extract_uris ((gchar *) data->data);

    for (i = 0; uris[i] != NULL; i++) {

        gchar *uri;

        uri = gnome_vfs_make_uri_from_shell_arg (uris[i]);

        //TODO: is this valid?

        canonical_uri = gnome_vfs_make_uri_canonical (uri);

        g_free (uri);

        if (canonical_uri != NULL)

            break;

    }

    g_strfreev (uris);

    if (canonical_uri == NULL)

        return;

    local_path = gnome_vfs_get_local_path_from_uri (canonical_uri);

    if (local_path) {

        fsexam_change_dir (local_path);

    } else {

        if (eel_uri_is_desktop (canonical_uri) 

                || eel_uri_is_trash (canonical_uri)) {

            gchar *uri = NULL;

            p = strstr(canonical_uri, ":");

            if (p != NULL) {

                uri = g_strdup(p);

            }

            p = uri + 4; // to skip ":///"

            if (!strncmp (p, "home", 4) || !strncmp (p, "trash", 5) 

                    || !strncmp (p, "documents", 9)) {

                if ((*p == 'h') || (*p == 'd'))

                    local_path = g_strdup_printf ("%s/%s", 

                                                   g_getenv ("HOME"), 

                                                   "Documents");

                else

                    local_path = g_strdup_printf ("%s/%s", 

                                                   g_getenv ("HOME"), 

                                                   ".Trash");

                fsexam_change_dir (local_path);

            }

            g_free (uri);

        }

    }

    g_free (local_path);

    gtk_drag_finish (context, TRUE, FALSE, time);

    g_free (canonical_uri);

    fsexam_statusbar_update("");

    return;

}

void

fsexam_dnd_set (GtkWidget *widget)

{

    gtk_drag_dest_set (widget,

                 GTK_DEST_DEFAULT_ALL,

                 drop_types, G_N_ELEMENTS (drop_types),

                 GDK_ACTION_COPY | GDK_ACTION_MOVE | GDK_ACTION_ASK);

    g_signal_connect (widget,

                "drag_data_received",

                G_CALLBACK (drag_data_received_callback),

                NULL);

    return;

}