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diff --git a/libcaja-private/caja-file-dnd.c b/libcaja-private/caja-file-dnd.c
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+/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
+
+/* caja-file-drag.c - Drag & drop handling code that operated on
+ CajaFile objects.
+
+ Copyright (C) 2000 Eazel, Inc.
+
+ The Mate Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The Mate Library 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
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the Mate Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA.
+
+ Authors: Pavel Cisler <[email protected]>,
+*/
+
+#include <config.h>
+#include "caja-file-dnd.h"
+#include "caja-desktop-icon-file.h"
+
+#include "caja-dnd.h"
+#include "caja-directory.h"
+#include "caja-file-utilities.h"
+#include <eel/eel-glib-extensions.h>
+#include <string.h>
+
+static gboolean
+caja_drag_can_accept_files (CajaFile *drop_target_item)
+{
+ CajaDirectory *directory;
+
+ if (caja_file_is_directory (drop_target_item))
+ {
+ gboolean res;
+
+ /* target is a directory, accept if editable */
+ directory = caja_directory_get_for_file (drop_target_item);
+ res = caja_directory_is_editable (directory);
+ caja_directory_unref (directory);
+ return res;
+ }
+
+ if (CAJA_IS_DESKTOP_ICON_FILE (drop_target_item))
+ {
+ return TRUE;
+ }
+
+ /* All Caja links are assumed to be links to directories.
+ * Therefore, they all can accept drags, like all other
+ * directories to. As with other directories, there can be
+ * errors when the actual copy is attempted due to
+ * permissions.
+ */
+ if (caja_file_is_caja_link (drop_target_item))
+ {
+ return TRUE;
+ }
+
+ if (caja_is_file_roller_installed () &&
+ caja_file_is_archive (drop_target_item))
+ {
+ return TRUE;
+ }
+
+ return FALSE;
+}
+
+gboolean
+caja_drag_can_accept_item (CajaFile *drop_target_item,
+ const char *item_uri)
+{
+ if (caja_file_matches_uri (drop_target_item, item_uri))
+ {
+ /* can't accept itself */
+ return FALSE;
+ }
+
+ return caja_drag_can_accept_files (drop_target_item);
+}
+
+gboolean
+caja_drag_can_accept_items (CajaFile *drop_target_item,
+ const GList *items)
+{
+ int max;
+
+ if (drop_target_item == NULL)
+ return FALSE;
+
+ g_assert (CAJA_IS_FILE (drop_target_item));
+
+ /* Iterate through selection checking if item will get accepted by the
+ * drop target. If more than 100 items selected, return an over-optimisic
+ * result
+ */
+ for (max = 100; items != NULL && max >= 0; items = items->next, max--)
+ {
+ if (!caja_drag_can_accept_item (drop_target_item,
+ ((CajaDragSelectionItem *)items->data)->uri))
+ {
+ return FALSE;
+ }
+ }
+
+ return TRUE;
+}
+
+gboolean
+caja_drag_can_accept_info (CajaFile *drop_target_item,
+ CajaIconDndTargetType drag_type,
+ const GList *items)
+{
+ switch (drag_type)
+ {
+ case CAJA_ICON_DND_MATE_ICON_LIST:
+ return caja_drag_can_accept_items (drop_target_item, items);
+
+ case CAJA_ICON_DND_URI_LIST:
+ case CAJA_ICON_DND_NETSCAPE_URL:
+ case CAJA_ICON_DND_TEXT:
+ return caja_drag_can_accept_files (drop_target_item);
+
+ case CAJA_ICON_DND_XDNDDIRECTSAVE:
+ case CAJA_ICON_DND_RAW:
+ return caja_drag_can_accept_files (drop_target_item); /* Check if we can accept files at this location */
+
+ case CAJA_ICON_DND_KEYWORD:
+ return TRUE;
+
+ case CAJA_ICON_DND_ROOTWINDOW_DROP:
+ return FALSE;
+
+ /* TODO return TRUE for folders as soon as drop handling is implemented */
+ case CAJA_ICON_DND_COLOR:
+ case CAJA_ICON_DND_BGIMAGE:
+ case CAJA_ICON_DND_RESET_BACKGROUND:
+ return FALSE;
+
+ default:
+ g_assert_not_reached ();
+ return FALSE;
+ }
+}
+
+void
+caja_drag_file_receive_dropped_keyword (CajaFile *file,
+ const char *keyword)
+{
+ GList *keywords, *word;
+
+ g_return_if_fail (CAJA_IS_FILE (file));
+ g_return_if_fail (keyword != NULL);
+
+ /* special case the erase emblem */
+ if (strcmp (keyword, CAJA_FILE_DND_ERASE_KEYWORD) == 0)
+ {
+ keywords = NULL;
+ }
+ else
+ {
+ keywords = caja_file_get_keywords (file);
+ word = g_list_find_custom (keywords, keyword, (GCompareFunc) strcmp);
+ if (word == NULL)
+ {
+ keywords = g_list_prepend (keywords, g_strdup (keyword));
+ }
+ else
+ {
+ keywords = g_list_remove_link (keywords, word);
+ g_free (word->data);
+ g_list_free_1 (word);
+ }
+ }
+
+ caja_file_set_keywords (file, keywords);
+ eel_g_list_free_deep (keywords);
+}