/*
 *  Copyright (C) 2002-2004 Marco Pesenti Gritti
 *  Copyright (C) 2003, 2004 Christian Persch
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2, or (at your option)
 *  any later version.
 *
 *  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.
 *
 *  $Id$
 */

#include "config.h"

#include "ephy-bookmarks.h"
#include "ephy-bookmarks-type-builtins.h"
#include "ephy-file-helpers.h"
#include "ephy-embed-shell.h"
#include "ephy-shell.h"
#include "ephy-history.h"
#include "ephy-debug.h"
#include "ephy-tree-model-node.h"
#include "ephy-node-common.h"
#include "ephy-bookmarks-export.h"
#include "ephy-bookmarks-import.h"
#include "ephy-bookmark-properties.h"
#include "ephy-prefs.h"
#include "ephy-marshal.h"
#include "ephy-signal-accumulator.h"

#include "eel-gconf-extensions.h"

#include <string.h>
#include <glib/gi18n.h>
#include <libgnomevfs/gnome-vfs-utils.h>
#include <libgnomevfs/gnome-vfs-dns-sd.h>
#include <gtk/gtkmessagedialog.h>
#include <gtk/gtkdialog.h>

#define EPHY_BOOKMARKS_XML_ROOT    "ephy_bookmarks"
#define EPHY_BOOKMARKS_XML_VERSION "1.03"
#define BOOKMARKS_SAVE_DELAY (3 * 1000) /* ms */
#define MAX_FAVORITES_NUM 10
#define UPDATE_URI_DATA_KEY "updated-uri"
#define SD_RESOLVE_TIMEOUT (3 * 1000) /* ms */

#define EPHY_BOOKMARKS_GET_PRIVATE(object)(G_TYPE_INSTANCE_GET_PRIVATE ((object), EPHY_TYPE_BOOKMARKS, EphyBookmarksPrivate))

struct _EphyBookmarksPrivate
{
	gboolean init_defaults;
	gboolean dirty;
	guint save_timeout_id;
	char *xml_file;
	char *rdf_file;
	EphyNodeDb *db;
	EphyNode *bookmarks;
	EphyNode *keywords;
	EphyNode *favorites;
	EphyNode *notcategorized;
	EphyNode *smartbookmarks;
	EphyNode *lower_fav;
	double lower_score;
	guint disable_bookmark_editing_notifier_id;

#ifdef ENABLE_ZEROCONF
	/* Local sites */
	EphyNode *local;
	GnomeVFSDNSSDBrowseHandle *browse_handle;
	GList *resolve_list;
#endif
};

typedef struct
{
	const char *title;
	const char *location;
} EphyBookmarksBookmarkInfo;

static const EphyBookmarksBookmarkInfo default_bookmarks [] =
{
	/* Translators you should change these links to respect your locale.
	 * For instance in .nl these should be
	 * "http://www.google.nl" and "http://www.google.nl/search?q=%s"
	 */
	{ N_("Search the web"), N_("http://www.google.com/search?q=%s&ie=UTF-8&oe=UTF-8") }
};

static const char *default_topics [] =
{
	N_("Entertainment"),
	N_("News"),
	N_("Shopping"),
	N_("Sports"),
	N_("Travel"),
	N_("Work")
};

/* Signals */
enum
{
	TREE_CHANGED,
	RESOLVE_ADDRESS,
	LAST_SIGNAL
};

static guint ephy_bookmarks_signals[LAST_SIGNAL] = { 0 };

static void ephy_bookmarks_class_init	(EphyBookmarksClass *klass);
static void ephy_bookmarks_init		(EphyBookmarks *tab);
static void ephy_bookmarks_finalize	(GObject *object);
static char *impl_resolve_address	(EphyBookmarks*, const char*, const char*);

static GObjectClass *parent_class = NULL;

GType
ephy_bookmarks_get_type (void)
{
	static GType type = 0;

	if (G_UNLIKELY (type == 0))
	{
		static const GTypeInfo our_info =
		{
			sizeof (EphyBookmarksClass),
			NULL, /* base_init */
			NULL, /* base_finalize */
			(GClassInitFunc) ephy_bookmarks_class_init,
			NULL,
			NULL, /* class_data */
			sizeof (EphyBookmarks),
			0, /* n_preallocs */
			(GInstanceInitFunc) ephy_bookmarks_init
		};
		volatile GType flags_type; /* work around gcc's optimiser */
      
		/* make sure the flags type is known */
	      	flags_type = EPHY_TYPE_BOOKMARK_PROPERTY;

		type = g_type_register_static (G_TYPE_OBJECT,
					       "EphyBookmarks",
					       &our_info, 0);
	}

	return type;
}

static void
ephy_bookmarks_init_defaults (EphyBookmarks *eb)
{
	int i;

	for (i = 0; i < G_N_ELEMENTS (default_topics); i++)
	{
		ephy_bookmarks_add_keyword (eb, _(default_topics[i]));
	}

	for (i = 0; i < G_N_ELEMENTS (default_bookmarks); i++)
	{
		EphyNode *bmk;

		bmk = ephy_bookmarks_add (eb, _(default_bookmarks[i].title),
					  _(default_bookmarks[i].location));
	}
}

static void
ephy_bookmarks_class_init (EphyBookmarksClass *klass)
{
	GObjectClass *object_class = G_OBJECT_CLASS (klass);

	parent_class = g_type_class_peek_parent (klass);

	object_class->finalize = ephy_bookmarks_finalize;

	klass->resolve_address = impl_resolve_address;

	ephy_bookmarks_signals[TREE_CHANGED] =
		g_signal_new ("tree-changed",
			      G_OBJECT_CLASS_TYPE (object_class),
			      G_SIGNAL_RUN_LAST,
			      G_STRUCT_OFFSET (EphyBookmarksClass, tree_changed),
			      NULL, NULL,
			      g_cclosure_marshal_VOID__VOID,
			      G_TYPE_NONE,
			      0);

	ephy_bookmarks_signals[RESOLVE_ADDRESS] =
		g_signal_new ("resolve-address",
			      G_OBJECT_CLASS_TYPE (object_class),
			      G_SIGNAL_RUN_LAST,
			      G_STRUCT_OFFSET (EphyBookmarksClass, resolve_address),
			      ephy_signal_accumulator_string, NULL,
			      ephy_marshal_STRING__STRING_STRING,
			      G_TYPE_STRING,
			      2,
			      G_TYPE_STRING,
			      G_TYPE_STRING);

	g_type_class_add_private (object_class, sizeof(EphyBookmarksPrivate));
}

static gboolean
save_filter (EphyNode *node,
	     EphyBookmarks *bookmarks)
{
	EphyBookmarksPrivate *priv = bookmarks->priv;

	return node != priv->bookmarks &&
	       node != priv->favorites &&
	       node != priv->notcategorized &&
#ifdef ENABLE_ZEROCONF
	       node != priv->local;
#else
	       TRUE;
#endif
}

#ifdef ENABLE_ZEROCONF
static gboolean
save_filter_local (EphyNode *node,
		   EphyBookmarks *bookmarks)
{
	EphyBookmarksPrivate *priv = bookmarks->priv;

	return !ephy_node_has_child (priv->local, node);
}
#endif

static void
ephy_bookmarks_save (EphyBookmarks *eb)
{

	LOG ("Saving bookmarks");

	ephy_node_db_write_to_xml_safe
		(eb->priv->db,
		 (xmlChar *) eb->priv->xml_file,
		 (xmlChar *) EPHY_BOOKMARKS_XML_ROOT,
		 (xmlChar *) EPHY_BOOKMARKS_XML_VERSION,
		 (xmlChar *) "Do not rely on this file, it's only for internal use. Use bookmarks.rdf instead.",
		 eb->priv->keywords, (EphyNodeFilterFunc) save_filter, eb,
#ifdef ENABLE_ZEROCONF
		 eb->priv->bookmarks, (EphyNodeFilterFunc) save_filter_local, eb,
#else
		 eb->priv->bookmarks, NULL, eb,
#endif
		 NULL);

	/* Export bookmarks in rdf */
	ephy_bookmarks_export_rdf (eb, eb->priv->rdf_file);
}

static gboolean
save_bookmarks_delayed (EphyBookmarks *bookmarks)
{
	ephy_bookmarks_save (bookmarks);
	bookmarks->priv->dirty = FALSE;
	bookmarks->priv->save_timeout_id = 0;

	return FALSE;
}

static void
ephy_bookmarks_save_delayed (EphyBookmarks *bookmarks, int delay)
{
	if (!bookmarks->priv->dirty)
	{
		bookmarks->priv->dirty = TRUE;

		if (delay > 0)
		{
			bookmarks->priv->save_timeout_id =
				g_timeout_add (BOOKMARKS_SAVE_DELAY,
					       (GSourceFunc) save_bookmarks_delayed,
					       bookmarks);
		}
		else
		{
			bookmarks->priv->save_timeout_id =
				g_idle_add ((GSourceFunc) save_bookmarks_delayed,
					    bookmarks);
		}
	}
}

static double
get_history_item_score (EphyHistory *eh, const char *page)
{
	return ephy_history_get_page_visits (eh, page);
}

static EphyNode *
compute_lower_fav (EphyNode *favorites, double *score)
{
	GPtrArray *children;
	int i;
	EphyHistory *history;
	EphyNode *result = NULL;

	history = EPHY_HISTORY (ephy_embed_shell_get_global_history (embed_shell));

	*score = DBL_MAX;
	children = ephy_node_get_children (favorites);
	for (i = 0; i < children->len; i++)
	{
		const char *url;
		EphyNode *child;
		double item_score;

		child = g_ptr_array_index (children, i);
		url = ephy_node_get_property_string
			(child, EPHY_NODE_BMK_PROP_LOCATION);
		item_score = get_history_item_score (history, url);
		if (*score > item_score)
		{
			*score = item_score;
			result = child;
		}
	}

	if (result == NULL) *score = 0;

	return result;
}

static void
ephy_bookmarks_update_favorites (EphyBookmarks *eb)
{
	eb->priv->lower_fav = compute_lower_fav (eb->priv->favorites,
						 &eb->priv->lower_score);
}

static gboolean
add_to_favorites (EphyBookmarks *eb, EphyNode *node, EphyHistory *eh)
{
	const char *url;
	gboolean full_menu;
	double score;

	if (ephy_node_has_child (eb->priv->favorites, node)) return FALSE;

	url = ephy_node_get_property_string (node, EPHY_NODE_BMK_PROP_LOCATION);
	score = get_history_item_score (eh, url);
	full_menu = ephy_node_get_n_children (eb->priv->favorites)
		    >= MAX_FAVORITES_NUM;
	if (full_menu && score < eb->priv->lower_score) return FALSE;

	if (eb->priv->lower_fav && full_menu)
	{
		ephy_node_remove_child (eb->priv->favorites,
					eb->priv->lower_fav);
	}

	ephy_node_add_child (eb->priv->favorites, node);
	ephy_bookmarks_update_favorites (eb);

	return TRUE;
}

static void
history_site_visited_cb (EphyHistory *gh, const char *url, EphyBookmarks *eb)
{
	EphyNode *node;

	node = ephy_bookmarks_find_bookmark (eb, url);
	if (node == NULL) return;

	add_to_favorites (eb, node, gh);
}

static void
clear_favorites (EphyBookmarks *bookmarks)
{
	EphyNode *node;
	GPtrArray *children;
	int i;
	gboolean was_immutable;

	/* clear the favourites */

	was_immutable = ephy_node_db_is_immutable (bookmarks->priv->db);
	ephy_node_db_set_immutable (bookmarks->priv->db, FALSE);

	node = bookmarks->priv->favorites;
	children = ephy_node_get_children (node);
	for (i = (int) children->len - 1; i >= 0; i--)
	{
		EphyNode *kid;

		kid = g_ptr_array_index (children, i);

		ephy_node_remove_child (node, kid);
	}

	ephy_node_db_set_immutable (bookmarks->priv->db, was_immutable);

	ephy_bookmarks_update_favorites (bookmarks);
}

static void
history_cleared_cb (EphyHistory *history, EphyBookmarks *bookmarks)
{
	clear_favorites (bookmarks);
}

static void
update_bookmark_response_cb (GtkWidget *dialog,
			     int response,
			     EphyNode *bookmark)
{
	GValue value = { 0, };
	char *to_uri;

	if (response == GTK_RESPONSE_ACCEPT)
	{
		to_uri = (char *) g_object_steal_data (G_OBJECT (dialog),
						       UPDATE_URI_DATA_KEY);

		g_value_init (&value, G_TYPE_STRING);
		g_value_take_string (&value, to_uri);
		ephy_node_set_property (bookmark, EPHY_NODE_BMK_PROP_LOCATION,
					&value);
		g_value_unset (&value);
	}

	gtk_widget_destroy (dialog);
}

static void
update_bookmark_destroy_cb (EphyNode *zombie,
			    GtkWidget *dialog)
{
	gtk_widget_destroy (dialog);
}

static void
redirect_cb (EphyHistory *history,
	      const char *from_uri,
	      const char *to_uri,
	      EphyBookmarks *eb)
{
	EphyNode *bookmark;
	GtkWidget *dialog;
	const char *title;

	bookmark = ephy_bookmarks_find_bookmark (eb, from_uri);

	/* FIXME check if there's another update-bookmark dialog up
	 * for from_uri' -> from_uri and update it accordingly
	 */
	if (bookmark == NULL) return;

	title = ephy_node_get_property_string (bookmark, EPHY_NODE_BMK_PROP_TITLE);

	dialog = gtk_message_dialog_new
			(NULL, GTK_DIALOG_DESTROY_WITH_PARENT,
				GTK_MESSAGE_QUESTION,
				GTK_BUTTONS_NONE,
				/* translators: the %s is the title of the bookmark */
				_("Update bookmark “%s”?"),
				title);
	gtk_message_dialog_format_secondary_text
		(GTK_MESSAGE_DIALOG (dialog),
		/* translators: the %s is a URL */
		_("The bookmarked page has moved to “%s”."),
		to_uri);

	gtk_dialog_add_button (GTK_DIALOG (dialog),
				_("_Don't Update"), GTK_RESPONSE_REJECT);
	gtk_dialog_add_button (GTK_DIALOG (dialog),
				_("_Update"), GTK_RESPONSE_ACCEPT);
	gtk_dialog_set_default_response (GTK_DIALOG (dialog), GTK_RESPONSE_REJECT);

	gtk_window_set_title (GTK_WINDOW (dialog), _("Update Bookmark?"));
	gtk_window_set_icon_name (GTK_WINDOW (dialog), "web-browser");

	g_object_set_data_full (G_OBJECT (dialog), UPDATE_URI_DATA_KEY,
				g_strdup (to_uri), (GDestroyNotify) g_free);
	g_signal_connect (dialog, "response",
			  G_CALLBACK (update_bookmark_response_cb), bookmark);
	ephy_node_signal_connect_object (bookmark,
					 EPHY_NODE_DESTROY,
					 (EphyNodeCallback) update_bookmark_destroy_cb,
					 G_OBJECT (dialog));

	/* this dialogue is unexpected */
	gtk_window_set_focus_on_map (GTK_WINDOW (dialog), FALSE);

	gtk_window_present (GTK_WINDOW (dialog));
}

static void
ephy_setup_history_notifiers (EphyBookmarks *eb)
{
	EphyHistory *history;

	history = EPHY_HISTORY (ephy_embed_shell_get_global_history (embed_shell));

	if (ephy_history_is_enabled (history) == FALSE)
	{
		clear_favorites (eb);
	}

	g_signal_connect (history, "visited",
			  G_CALLBACK (history_site_visited_cb), eb);
	g_signal_connect (history, "cleared",
			  G_CALLBACK (history_cleared_cb), eb);
	g_signal_connect (history, "redirect",
			  G_CALLBACK (redirect_cb), eb);
}

static void
update_bookmark_keywords (EphyBookmarks *eb, EphyNode *bookmark)
{
	GValue value = { 0, };
	GPtrArray *children;
	int i;
	GString *list;
	const char *title;
	char *normalized_keywords, *case_normalized_keywords;

	list = g_string_new (NULL);

	children = ephy_node_get_children (eb->priv->keywords);
	for (i = 0; i < children->len; i++)
	{
		EphyNode *kid;

		kid = g_ptr_array_index (children, i);

		if (kid != eb->priv->notcategorized && 
		    kid != eb->priv->favorites &&
		    kid != eb->priv->bookmarks &&
#ifdef ENABLE_ZEROCONF
		    kid != eb->priv->local &&
#endif
		    ephy_node_has_child (kid, bookmark))
		{
			const char *topic;
			topic = ephy_node_get_property_string
				(kid, EPHY_NODE_KEYWORD_PROP_NAME);
			g_string_append (list, topic);
			g_string_append (list, " ");
		}
	}

	title = ephy_node_get_property_string
		(bookmark, EPHY_NODE_BMK_PROP_TITLE);
	g_string_append (list, " ");
	g_string_append (list, title);

	normalized_keywords = g_utf8_normalize (list->str, -1, G_NORMALIZE_ALL);
	case_normalized_keywords = g_utf8_casefold (normalized_keywords, -1);

	g_value_init (&value, G_TYPE_STRING);
	g_value_set_string (&value, case_normalized_keywords);
	ephy_node_set_property (bookmark, EPHY_NODE_BMK_PROP_KEYWORDS,
				&value);
	g_value_unset (&value);

	g_string_free (list, TRUE);
	g_free (normalized_keywords);
	g_free (case_normalized_keywords);
}

static void
bookmarks_changed_cb (EphyNode *node,
		      EphyNode *child,
		      guint property_id,
		      EphyBookmarks *eb)
{
	if (property_id == EPHY_NODE_BMK_PROP_TITLE)
	{
		update_bookmark_keywords (eb, child);
	}

	ephy_bookmarks_save_delayed (eb, BOOKMARKS_SAVE_DELAY);
}

static void
bookmarks_removed_cb (EphyNode *node,
		      EphyNode *child,
		      guint old_index,
		      EphyBookmarks *eb)
{
	ephy_bookmarks_save_delayed (eb, BOOKMARKS_SAVE_DELAY);
}

static gboolean
bookmark_is_categorized (EphyBookmarks *eb, EphyNode *bookmark)
{
	GPtrArray *children;
	int i;

	children = ephy_node_get_children (eb->priv->keywords);
	for (i = 0; i < children->len; i++)
	{
		EphyNode *kid;

		kid = g_ptr_array_index (children, i);

		if (kid != eb->priv->notcategorized && 
		    kid != eb->priv->favorites &&
		    kid != eb->priv->bookmarks &&
#ifdef ENABLE_ZEROCONF
		    kid != eb->priv->local &&
#endif
		    ephy_node_has_child (kid, bookmark))
		{
			return TRUE;
		}
	}

	return FALSE;
}

static void
topics_removed_cb (EphyNode *node,
		   EphyNode *child,
		   guint old_index,
		   EphyBookmarks *eb)
{
	GPtrArray *children;
	int i;

	children = ephy_node_get_children (child);
	for (i = 0; i < children->len; i++)
	{
		EphyNode *kid;

		kid = g_ptr_array_index (children, i);

		if (!bookmark_is_categorized (eb, kid) &&
		    !ephy_node_has_child (eb->priv->notcategorized, kid))
		{
			ephy_node_add_child
				(eb->priv->notcategorized, kid);
		}

		update_bookmark_keywords (eb, kid);
	}
}

static void
update_bookmark_editing (EphyBookmarks *eb)
{
	g_object_set (G_OBJECT (eb->priv->db),
		      "immutable", eel_gconf_get_boolean (CONF_LOCKDOWN_DISABLE_BOOKMARK_EDITING),
		      NULL);
}

static void
disable_bookmark_editing_notifier (GConfClient *client,
				   guint cnxn_id,
				   GConfEntry *entry,
				   EphyBookmarks *eb)
{
	update_bookmark_editing (eb);
}

static void
backup_file (const char *original_filename, const char *extension)
{
	char *template, *backup_filename;
	int result = 0;

	if (g_file_test (original_filename, G_FILE_TEST_EXISTS) == FALSE)
	{
		return;
	}

	template = g_strconcat (original_filename, ".backup-XXXXXX", NULL);
	backup_filename = ephy_file_tmp_filename (template, extension);

	if (backup_filename != NULL)
	{
		result = rename (original_filename, backup_filename);
	}

	if (result >= 0)
	{
		g_message ("Your old bookmarks file was backed up as \"%s\".\n",
			   backup_filename);
	}
	else
	{
		g_warning ("Backup failed! Your old bookmarks file was lost.\n");
	}

	g_free (template);
	g_free (backup_filename);
}

#ifdef ENABLE_ZEROCONF

static void
resolve_cb (GnomeVFSDNSSDResolveHandle *handle,
	    GnomeVFSResult result,
	    const GnomeVFSDNSSDService *service,
	    const char *host,
	    int port,
	    /* const */ GHashTable *text,
	    int text_raw_len,
	    const char *text_raw,
	    EphyBookmarks *bookmarks)
{
	EphyBookmarksPrivate *priv = bookmarks->priv;
	EphyNode *node;
	GValue value = { 0, };
	const char *path = NULL;
	char *url;

	priv->resolve_list = g_list_remove (priv->resolve_list, handle);

	if (result != GNOME_VFS_OK) return;

	if (text != NULL)
	{
		path = g_hash_table_lookup (text, "path");
	}
	if (path == NULL || path[0] == '\0')
	{
		path = "/";
	}

	url = g_strdup_printf ("http://%s:%d%s", host, port, path);

	node = ephy_node_new (priv->db);
	if (node == NULL) return;

	/* don't allow dragging this node */
	ephy_node_set_is_drag_source (node, FALSE);

	g_value_init (&value, G_TYPE_STRING);
	g_value_set_string (&value, service->name);
	ephy_node_set_property (node, EPHY_NODE_BMK_PROP_TITLE, &value);
	g_value_unset (&value);

	g_value_init (&value, G_TYPE_STRING);
	g_value_take_string (&value, url);
	ephy_node_set_property (node, EPHY_NODE_BMK_PROP_LOCATION, &value);
	g_value_unset (&value);

	g_value_init (&value, G_TYPE_BOOLEAN);
	g_value_set_boolean (&value, TRUE);
	ephy_node_set_property (node, EPHY_NODE_BMK_PROP_IMMUTABLE, &value);
	g_value_unset (&value);

	ephy_node_add_child (priv->bookmarks, node);
	ephy_node_add_child (priv->local, node);
}

static void
browse_cb (GnomeVFSDNSSDBrowseHandle *handle,
	   GnomeVFSDNSSDServiceStatus status,
	   const GnomeVFSDNSSDService *service,
	   EphyBookmarks *bookmarks)
{
	EphyBookmarksPrivate *priv = bookmarks->priv;
	GnomeVFSDNSSDResolveHandle *reshandle = NULL;
	GPtrArray *children;
	EphyNode *kid;
	const char *title;
	guint i;

	if (status == GNOME_VFS_DNS_SD_SERVICE_REMOVED)
	{
		/* Find the bookmark to remove */
		children = ephy_node_get_children (priv->local);
		for (i = 0; i < children->len; i++)
		{
			kid = g_ptr_array_index (children, i);
			title = ephy_node_get_property_string (kid, EPHY_NODE_BMK_PROP_TITLE);

			if (g_str_equal (title, service->name))
			{
				ephy_node_remove_child (priv->local, kid);
				break;
			}
		}

		return;
	}

	/* status == GNOME_VFS_DNS_SD_SERVICE_ADDED */

	if (gnome_vfs_dns_sd_resolve (&reshandle,
				      service->name, service->type, service->domain,
				      SD_RESOLVE_TIMEOUT,
				      (GnomeVFSDNSSDResolveCallback) resolve_cb,
				      bookmarks,
				      NULL) == GNOME_VFS_OK)
	{
		priv->resolve_list =
			g_list_prepend (priv->resolve_list, reshandle);
	}
}

static void
ephy_local_bookmarks_init (EphyBookmarks *bookmarks)
{
	EphyBookmarksPrivate *priv = bookmarks->priv;

	if (gnome_vfs_dns_sd_browse (&priv->browse_handle,
				     "local", "_http._tcp",
				     (GnomeVFSDNSSDBrowseCallback) browse_cb,
				     bookmarks,
				     NULL) != GNOME_VFS_OK)
	{
		priv->browse_handle = NULL;
		ephy_node_remove_child (priv->keywords, priv->local);
	}
}

static void
ephy_local_bookmarks_stop (EphyBookmarks *bookmarks)
{
	EphyBookmarksPrivate *priv = bookmarks->priv;

	if (priv->browse_handle != NULL)
	{
		gnome_vfs_dns_sd_stop_browse (priv->browse_handle);
		priv->browse_handle = NULL;
		ephy_node_remove_child (priv->keywords, priv->local);
	}

	g_list_foreach (priv->resolve_list,
			(GFunc) gnome_vfs_dns_sd_cancel_resolve, NULL);
	g_list_free (priv->resolve_list);
	priv->resolve_list = NULL;
}

#endif /* ENABLE_ZEROCONF */

static void
ephy_bookmarks_init (EphyBookmarks *eb)
{
	GValue value = { 0, };
	EphyNodeDb *db;

	eb->priv = EPHY_BOOKMARKS_GET_PRIVATE (eb);

	db = ephy_node_db_new (EPHY_NODE_DB_BOOKMARKS);
	eb->priv->db = db;

	eb->priv->xml_file = g_build_filename (ephy_dot_dir (),
					       "ephy-bookmarks.xml",
					       NULL);
	eb->priv->rdf_file = g_build_filename (ephy_dot_dir (),
					       "bookmarks.rdf",
					       NULL);

	/* Bookmarks */
	eb->priv->bookmarks = ephy_node_new_with_id (db, BOOKMARKS_NODE_ID);
	g_value_init (&value, G_TYPE_STRING);
	/* Translators: The text before the "|" is context to help you decide on
	 * the correct translation. You MUST OMIT it in the translated string. */
	/* Translators: this topic contains all bookmarks */
	g_value_set_string (&value, Q_("bookmarks|All"));
	ephy_node_set_property (eb->priv->bookmarks,
				EPHY_NODE_KEYWORD_PROP_NAME,
				&value);
	g_value_unset (&value);
	ephy_node_signal_connect_object (eb->priv->bookmarks,
					 EPHY_NODE_CHILD_REMOVED,
					 (EphyNodeCallback) bookmarks_removed_cb,
					 G_OBJECT (eb));
	ephy_node_signal_connect_object (eb->priv->bookmarks,
					 EPHY_NODE_CHILD_CHANGED,
					 (EphyNodeCallback) bookmarks_changed_cb,
					 G_OBJECT (eb));

	/* Keywords */
	eb->priv->keywords = ephy_node_new_with_id (db, KEYWORDS_NODE_ID);
	g_value_init (&value, G_TYPE_INT);
	g_value_set_int (&value, EPHY_NODE_ALL_PRIORITY);
	ephy_node_set_property (eb->priv->bookmarks,
				EPHY_NODE_KEYWORD_PROP_PRIORITY,
				&value);
	g_value_unset (&value);
	ephy_node_signal_connect_object (eb->priv->keywords,
					 EPHY_NODE_CHILD_REMOVED,
					 (EphyNodeCallback) topics_removed_cb,
					 G_OBJECT (eb));

	ephy_node_add_child (eb->priv->keywords,
			     eb->priv->bookmarks);

	/* Favorites */
	eb->priv->favorites = ephy_node_new_with_id (db, FAVORITES_NODE_ID);
	g_value_init (&value, G_TYPE_STRING);
	/* Translators: The text before the "|" is context to help you decide on
	 * the correct translation. You MUST OMIT it in the translated string. */
	/* Translators: this topic contains the most used bookmarks */
	g_value_set_string (&value, Q_("bookmarks|Most Visited"));
	ephy_node_set_property (eb->priv->favorites,
				EPHY_NODE_KEYWORD_PROP_NAME,
				&value);
	g_value_unset (&value);
	g_value_init (&value, G_TYPE_INT);
	g_value_set_int (&value, EPHY_NODE_SPECIAL_PRIORITY);
	ephy_node_set_property (eb->priv->favorites,
				EPHY_NODE_KEYWORD_PROP_PRIORITY,
				&value);
	g_value_unset (&value);
	ephy_node_add_child (eb->priv->keywords, eb->priv->favorites);

	/* Not categorized */
	eb->priv->notcategorized = ephy_node_new_with_id (db, BMKS_NOTCATEGORIZED_NODE_ID);
	g_value_init (&value, G_TYPE_STRING);
	/* Translators: The text before the "|" is context to help you decide on
	 * the correct translation. You MUST OMIT it in the translated string. */
	/* Translators: this topic contains the not categorized bookmarks */
	g_value_set_string (&value, Q_("bookmarks|Not Categorized"));
	ephy_node_set_property (eb->priv->notcategorized,
				EPHY_NODE_KEYWORD_PROP_NAME,
				&value);
	g_value_unset (&value);
	g_value_init (&value, G_TYPE_INT);
	g_value_set_int (&value, EPHY_NODE_SPECIAL_PRIORITY);
	ephy_node_set_property (eb->priv->notcategorized,
				EPHY_NODE_KEYWORD_PROP_PRIORITY,
				&value);
	g_value_unset (&value);
	ephy_node_add_child (eb->priv->keywords, eb->priv->notcategorized);

#ifdef ENABLE_ZEROCONF
	/* Local Websites */
	eb->priv->local = ephy_node_new_with_id (db, BMKS_LOCAL_NODE_ID);

	/* don't allow drags to this topic */
	ephy_node_set_is_drag_dest (eb->priv->local, FALSE);

	g_value_init (&value, G_TYPE_STRING);
	/* Translators: The text before the "|" is context to help you decide on
	 * the correct translation. You MUST OMIT it in the translated string. */
	/* Translators: this is an automatic topic containing local websites bookmarks
	 * autodiscovered with zeroconf. */
	g_value_set_string (&value, Q_("bookmarks|Local Sites"));
	ephy_node_set_property (eb->priv->local,
			        EPHY_NODE_KEYWORD_PROP_NAME,
			        &value);
	g_value_unset (&value);
	g_value_init (&value, G_TYPE_INT);
	g_value_set_int (&value, EPHY_NODE_SPECIAL_PRIORITY);
	ephy_node_set_property (eb->priv->local,
				EPHY_NODE_KEYWORD_PROP_PRIORITY,
				&value);
	g_value_unset (&value);
	ephy_node_add_child (eb->priv->keywords, eb->priv->local);
	ephy_local_bookmarks_init (eb);
#endif /* ENABLE_ZEROCONF */

	/* Smart bookmarks */
	eb->priv->smartbookmarks = ephy_node_new_with_id (db, SMARTBOOKMARKS_NODE_ID);

	if (g_file_test (eb->priv->xml_file, G_FILE_TEST_EXISTS) == FALSE
	    && g_file_test (eb->priv->rdf_file, G_FILE_TEST_EXISTS) == FALSE)
	{
		eb->priv->init_defaults = TRUE;
	}
	else if (ephy_node_db_load_from_file (eb->priv->db, eb->priv->xml_file,
					      (xmlChar *) EPHY_BOOKMARKS_XML_ROOT,
					      (xmlChar *) EPHY_BOOKMARKS_XML_VERSION) == FALSE)
	{
		/* save the corrupted files so the user can late try to
		 * manually recover them. See bug #128308.
		 */

		g_warning ("Could not read bookmarks file \"%s\", trying to "
			   "re-import bookmarks from \"%s\"\n",
			   eb->priv->xml_file, eb->priv->rdf_file);

		backup_file (eb->priv->xml_file, "xml");

		if (ephy_bookmarks_import_rdf (eb, eb->priv->rdf_file) == FALSE)
		{
			backup_file (eb->priv->rdf_file, "rdf");

			eb->priv->init_defaults = TRUE;
		}
	}
	
	if (eb->priv->init_defaults)
	{
		ephy_bookmarks_init_defaults (eb);
	}

	eb->priv->disable_bookmark_editing_notifier_id = eel_gconf_notification_add
		(CONF_LOCKDOWN_DISABLE_BOOKMARK_EDITING,
		 (GConfClientNotifyFunc)disable_bookmark_editing_notifier, eb);
	update_bookmark_editing (eb);

	ephy_setup_history_notifiers (eb);
	ephy_bookmarks_update_favorites (eb);
}

static void
ephy_bookmarks_finalize (GObject *object)
{
	EphyBookmarks *eb = EPHY_BOOKMARKS (object);

	eel_gconf_notification_remove (eb->priv->disable_bookmark_editing_notifier_id);

	if (eb->priv->save_timeout_id != 0)
	{
		g_source_remove (eb->priv->save_timeout_id);
	}

#ifdef ENABLE_ZEROCONF
	ephy_local_bookmarks_stop (eb);
#endif

	ephy_bookmarks_save (eb);

	ephy_node_unref (eb->priv->bookmarks);
	ephy_node_unref (eb->priv->keywords);
	ephy_node_unref (eb->priv->favorites);
	ephy_node_unref (eb->priv->notcategorized);

	g_object_unref (eb->priv->db);

	g_free (eb->priv->xml_file);
	g_free (eb->priv->rdf_file);

	LOG ("Bookmarks finalized");

	G_OBJECT_CLASS (parent_class)->finalize (object);
}

EphyBookmarks *
ephy_bookmarks_new (void)
{
	EphyBookmarks *eb;

	eb = EPHY_BOOKMARKS (g_object_new (EPHY_TYPE_BOOKMARKS, NULL));

	return eb;
}

static void
update_has_smart_address (EphyBookmarks *bookmarks, EphyNode *bmk, const char *address)
{
	EphyNode *smart_bmks;
	gboolean smart = FALSE, with_options = FALSE;

	smart_bmks = bookmarks->priv->smartbookmarks;

	if (address)
	{
		smart = strstr (address, "%s") != NULL;
		with_options = strstr (address, "%s%{") != NULL;
	}

	/* if we have a smart bookmark with width specification,
	 * remove from smart bookmarks first to force an update
	 * in the toolbar
	 */
	if (smart && with_options)
	{
		ephy_node_remove_child (smart_bmks, bmk);
		ephy_node_add_child (smart_bmks, bmk);
	}
	else if (smart)
	{
		if (!ephy_node_has_child (smart_bmks, bmk))
		{
			ephy_node_add_child (smart_bmks, bmk);
		}
	}
	else
	{
		if (ephy_node_has_child (smart_bmks, bmk))
		{
			ephy_node_remove_child (smart_bmks, bmk);
		}
	}
}

EphyNode *
ephy_bookmarks_add (EphyBookmarks *eb,
		    const char *title,
		    const char *url)
{
	EphyHistory *history;
	EphyNode *bm;
	GValue value = { 0, };

	bm = ephy_node_new (eb->priv->db);

	if (bm == NULL) return NULL;
	
	if (url == NULL) return NULL;
	g_value_init (&value, G_TYPE_STRING);
	g_value_set_string (&value, url);
	ephy_node_set_property (bm, EPHY_NODE_BMK_PROP_LOCATION, &value);
	g_value_unset (&value);

	if (title == NULL || title[0] == '\0')
	{
		title = _("Untitled");
	}	
	g_value_init (&value, G_TYPE_STRING);
	g_value_set_string (&value, title);
	ephy_node_set_property (bm, EPHY_NODE_BMK_PROP_TITLE, &value);
	g_value_unset (&value);

	history = EPHY_HISTORY (ephy_embed_shell_get_global_history (embed_shell));
	if (history != NULL)
	{
		const char *icon = ephy_history_get_icon (history, url);
		if (icon != NULL)
		{
			g_value_init (&value, G_TYPE_STRING);
			g_value_set_string (&value, icon);
			ephy_node_set_property (bm, EPHY_NODE_BMK_PROP_ICON,
						&value);
			g_value_unset (&value);
		}
	}

	update_has_smart_address (eb, bm, url);
	update_bookmark_keywords (eb, bm);

	ephy_node_add_child (eb->priv->bookmarks, bm);
	ephy_node_add_child (eb->priv->notcategorized, bm);

	ephy_bookmarks_save_delayed (eb, 0);

	return bm;
}

void
ephy_bookmarks_set_address (EphyBookmarks *eb,
			    EphyNode *bookmark,
			    const char *address)
{
	GValue value = { 0, };

	g_value_init (&value, G_TYPE_STRING);
	g_value_set_string (&value, address);
	ephy_node_set_property (bookmark, EPHY_NODE_BMK_PROP_LOCATION,
				&value);
	g_value_unset (&value);

	update_has_smart_address (eb, bookmark, address);
}

EphyNode *
ephy_bookmarks_find_bookmark (EphyBookmarks *eb,
			      const char *url)
{
	GPtrArray *children;
	int i;

	g_return_val_if_fail (EPHY_IS_BOOKMARKS (eb), NULL);
	g_return_val_if_fail (eb->priv->bookmarks != NULL, NULL);
	g_return_val_if_fail (url != NULL, NULL);

	children = ephy_node_get_children (eb->priv->bookmarks);
	for (i = 0; i < children->len; i++)
	{
		EphyNode *kid;
		const char *location;

		kid = g_ptr_array_index (children, i);
		location = ephy_node_get_property_string
			(kid, EPHY_NODE_BMK_PROP_LOCATION);

		if (location != NULL && strcmp (url, location) == 0)
		{
			return kid;
		}
	}

	return NULL;
}

EphyNode *
ephy_bookmarks_find_duplicate (EphyBookmarks *eb,
			       EphyNode *bookmark)
{
	GPtrArray *children;
	const char *url;
	int i;

	g_return_val_if_fail (EPHY_IS_BOOKMARKS (eb), NULL);
	g_return_val_if_fail (eb->priv->bookmarks != NULL, NULL);
	g_return_val_if_fail (bookmark != NULL, NULL);
	
	url = ephy_node_get_property_string 
	  (bookmark, EPHY_NODE_BMK_PROP_LOCATION);

	g_return_val_if_fail (url != NULL, NULL);

	children = ephy_node_get_children (eb->priv->bookmarks);
	for (i = 0; i < children->len; i++)
	{
		EphyNode *kid;
		const char *location;

		kid = g_ptr_array_index (children, i);
		if (kid == bookmark)
		{
			continue;
		}
		
		location = ephy_node_get_property_string
			(kid, EPHY_NODE_BMK_PROP_LOCATION);

		if (location != NULL && strcmp (url, location) == 0)
		{
			return kid;
		}
	}
	
	return NULL;
}

void
ephy_bookmarks_set_icon	(EphyBookmarks *eb,
			 const char *url,
			 const char *icon)
{
	EphyNode *node;
	GValue value = { 0, };

	g_return_if_fail (icon != NULL);

	node = ephy_bookmarks_find_bookmark (eb, url);
	if (node == NULL) return;

	g_value_init (&value, G_TYPE_STRING);
	g_value_set_string (&value, icon);
	ephy_node_set_property (node, EPHY_NODE_BMK_PROP_ICON,
				&value);
	g_value_unset (&value);
}


void
ephy_bookmarks_set_usericon (EphyBookmarks *eb,
			     const char *url,
			     const char *icon)
{
	EphyNode *node;
	GValue value = { 0, };

	g_return_if_fail (icon != NULL);

	node = ephy_bookmarks_find_bookmark (eb, url);
	if (node == NULL) return;

	g_value_init (&value, G_TYPE_STRING);
	g_value_set_string (&value, icon);
	ephy_node_set_property (node, EPHY_NODE_BMK_PROP_USERICON,
				&value);
	g_value_unset (&value);
}


/* name must end with '=' */
static char *
get_option (char *start,
	    const char *name,
	    char **optionsend)
{
	char *end, *p;

	*optionsend = start;

	if (start == NULL || start[0] != '%' || start[1] != '{') return NULL;
	start += 2;

	end = strstr (start, "}");
	if (end == NULL) return NULL;
	*optionsend = end + 1;

	start = strstr (start, name);
	if (start == NULL || start > end) return NULL;
	start += strlen (name);

	/* Find end of option, either ',' or '}' */
	end = strstr (start, ",");
	if (end == NULL || end >= *optionsend) end = *optionsend - 1;

	/* limit option length and sanity-check it */
	if (end - start > 32) return NULL;
	for (p = start; p < end; ++p)
	{
		if (!g_ascii_isalnum (*p)) return NULL;
	}

	return g_strndup (start, end - start);
}

static char *
impl_resolve_address (EphyBookmarks *eb,
		      const char *address,
		      const char *content)
{
	GString *result;
	char *pos, *oldpos, *arg, *escaped_arg, *encoding, *optionsend;

	if (address == NULL) return NULL;
	if (content == NULL) content = "";

	result = g_string_new_len (NULL, strlen (content) + strlen (address));

	/* substitute %s's */
	oldpos = (char*) address;
	while ((pos = strstr (oldpos, "%s")) != NULL)
	{
		g_string_append_len (result, oldpos, pos - oldpos);
		pos += 2;

		encoding = get_option (pos, "encoding=", &optionsend);
		if (encoding != NULL)
		{
			GError *error = NULL;

			arg = g_convert (content, strlen (content), encoding,
					 "UTF-8", NULL, NULL, &error);
			if (error != NULL)
			{
				g_warning ("Error when converting arg to encoding '%s': %s\n",
					   encoding, error->message);
				g_error_free (error);
			}
			else
			{
				escaped_arg = gnome_vfs_escape_string (arg);
				g_string_append (result, escaped_arg);
				g_free (escaped_arg);
				g_free (arg);
			}

			g_free (encoding);
		}
		else
		{
			arg = gnome_vfs_escape_string (content);
			g_string_append (result, arg);
			g_free (arg);
		}

		oldpos = optionsend;
	}
	g_string_append (result, oldpos);

	return g_string_free (result, FALSE);
}

char *
ephy_bookmarks_resolve_address (EphyBookmarks *eb,
				const char *address,
				const char *parameter)
{
	char *retval = NULL;

	g_return_val_if_fail (EPHY_IS_BOOKMARKS (eb), NULL);
	g_return_val_if_fail (address != NULL, NULL);

	g_signal_emit (eb, ephy_bookmarks_signals[RESOLVE_ADDRESS], 0,
		       address, parameter, &retval);

	return retval;
}

guint
ephy_bookmarks_get_smart_bookmark_width (EphyNode *bookmark)
{
	const char *url;
	char *option, *end, *number;
	guint width;

	url = ephy_node_get_property_string (bookmark, EPHY_NODE_BMK_PROP_LOCATION);
	if (url == NULL) return 0;

	/* this takes the first %s, but that's okay since we only support one text entry box */
	option = strstr (url, "%s%{");
	if (option == NULL) return 0;
	option += 2;

	number = get_option (option, "width=", &end);
	if (number == NULL) return 0;

	width = (guint) g_ascii_strtoull (number, NULL, 10);
	g_free (number);

	return CLAMP (width, 1, 64);
}

EphyNode *
ephy_bookmarks_add_keyword (EphyBookmarks *eb,
			    const char *name)
{
	EphyNode *key;
	GValue value = { 0, };

	key = ephy_node_new (eb->priv->db);

	if (key == NULL) return NULL;

	g_value_init (&value, G_TYPE_STRING);
	g_value_set_string (&value, name);
	ephy_node_set_property (key, EPHY_NODE_KEYWORD_PROP_NAME,
				&value);
	g_value_unset (&value);

	g_value_init (&value, G_TYPE_INT);
	g_value_set_int (&value, EPHY_NODE_NORMAL_PRIORITY);
	ephy_node_set_property (key, EPHY_NODE_KEYWORD_PROP_PRIORITY,
				&value);
	g_value_unset (&value);

	ephy_node_add_child (eb->priv->keywords, key);

	return key;
}

void
ephy_bookmarks_remove_keyword (EphyBookmarks *eb,
			       EphyNode *keyword)
{
	ephy_node_remove_child (eb->priv->keywords, keyword);
}

char *
ephy_bookmarks_get_topic_uri (EphyBookmarks *eb,
			      EphyNode *node)
{
	char *uri;

	if (ephy_bookmarks_get_bookmarks (eb) == node)
	{
		uri = g_strdup ("topic://Special/All");
	}
	else if (ephy_bookmarks_get_not_categorized (eb) == node)
	{
		uri = g_strdup ("topic://Special/NotCategorized");
	}
	else if (ephy_bookmarks_get_favorites (eb) == node)
	{
		uri = g_strdup ("topic://Special/Favorites");
	}
#ifdef ENABLE_ZEROCONF
	else if (ephy_bookmarks_get_local (eb) == node)
	{
		uri = g_strdup ("topic://Special/Local");
	}
#endif
	else
	{
		const char *name;

		name = ephy_node_get_property_string
			(node, EPHY_NODE_KEYWORD_PROP_NAME);

		uri = g_strdup_printf ("topic://%s", name);
	}

	return uri;
}

EphyNode *
ephy_bookmarks_find_keyword (EphyBookmarks *eb,
			     const char *name,
			     gboolean partial_match)
{
	EphyNode *node;
	GPtrArray *children;
	int i;
	const char *topic_name;

	g_return_val_if_fail (name != NULL, NULL);

	topic_name = name;

	if (g_utf8_strlen (name, -1) == 0)
	{
		LOG ("Empty name, no keyword matches.");
		return NULL;
	}

	if (strcmp (name, "topic://Special/All") == 0)
	{
		return ephy_bookmarks_get_bookmarks (eb);
	}
	else if (strcmp (name, "topic://Special/NotCategorized") == 0)
	{
		return ephy_bookmarks_get_not_categorized (eb);
	}
	else if (strcmp (name, "topic://Special/Favorites") == 0)
	{
		return ephy_bookmarks_get_favorites (eb);
	}
#ifdef ENABLE_ZEROCONF
	else if (strcmp (name, "topic://Special/Local") == 0)
	{
		return ephy_bookmarks_get_local (eb);
	}
#endif
	else if (g_str_has_prefix (name, "topic://"))
	{
		topic_name += strlen ("topic://");
	}

	children = ephy_node_get_children (eb->priv->keywords);
	node = NULL;
	for (i = 0; i < children->len; i++)
	{
		 EphyNode *kid;
		 const char *key;

		 kid = g_ptr_array_index (children, i);
		 key = ephy_node_get_property_string (kid, EPHY_NODE_KEYWORD_PROP_NAME);

		 if ((partial_match && g_str_has_prefix (key, topic_name) > 0) ||
		     (!partial_match && strcmp (key, topic_name) == 0))
		 {
			 node = kid;
		 }
	}

	return node;
}

gboolean
ephy_bookmarks_has_keyword (EphyBookmarks *eb,
			    EphyNode *keyword,
			    EphyNode *bookmark)
{
	return ephy_node_has_child (keyword, bookmark);
}

void
ephy_bookmarks_set_keyword (EphyBookmarks *eb,
			    EphyNode *keyword,
			    EphyNode *bookmark)
{
	if (ephy_node_has_child (keyword, bookmark)) return;

	ephy_node_add_child (keyword, bookmark);

	if (ephy_node_has_child (eb->priv->notcategorized, bookmark))
	{
		LOG ("Remove from categorized bookmarks");
		ephy_node_remove_child
			(eb->priv->notcategorized, bookmark);
	}

	update_bookmark_keywords (eb, bookmark);

	g_signal_emit (G_OBJECT (eb), ephy_bookmarks_signals[TREE_CHANGED], 0);
}

void
ephy_bookmarks_unset_keyword (EphyBookmarks *eb,
			      EphyNode *keyword,
			      EphyNode *bookmark)
{
	if (!ephy_node_has_child (keyword, bookmark)) return;

	ephy_node_remove_child (keyword, bookmark);

	if (!bookmark_is_categorized (eb, bookmark) &&
	    !ephy_node_has_child (eb->priv->notcategorized, bookmark))
	{
		LOG ("Add to not categorized bookmarks");
		ephy_node_add_child
			(eb->priv->notcategorized, bookmark);
	}

	update_bookmark_keywords (eb, bookmark);

	g_signal_emit (G_OBJECT (eb), ephy_bookmarks_signals[TREE_CHANGED], 0);
}

EphyNode *
ephy_bookmarks_get_smart_bookmarks (EphyBookmarks *eb)
{
	return eb->priv->smartbookmarks;
}

EphyNode *
ephy_bookmarks_get_keywords (EphyBookmarks *eb)
{
	return eb->priv->keywords;
}

EphyNode *
ephy_bookmarks_get_bookmarks (EphyBookmarks *eb)
{
	return eb->priv->bookmarks;
}

EphyNode *
ephy_bookmarks_get_favorites (EphyBookmarks *eb)
{
	return eb->priv->favorites;
}

EphyNode *
ephy_bookmarks_get_local (EphyBookmarks *eb)
{
#ifdef ENABLE_ZEROCONF
	return eb->priv->local;
#else
	return NULL;
#endif
}

EphyNode *
ephy_bookmarks_get_not_categorized (EphyBookmarks *eb)
{
	return eb->priv->notcategorized;
}

EphyNode *
ephy_bookmarks_get_from_id (EphyBookmarks *eb, long id)
{
	return ephy_node_db_get_node_from_id (eb->priv->db, id);
}

int
ephy_bookmarks_compare_topics (gconstpointer a, gconstpointer b)
{
	EphyNode *node_a = (EphyNode *)a;
	EphyNode *node_b = (EphyNode *)b;
	const char *title1, *title2;
	int priority1, priority2;

	priority1 = ephy_node_get_property_int (node_a, EPHY_NODE_KEYWORD_PROP_PRIORITY);
	priority2 = ephy_node_get_property_int (node_b, EPHY_NODE_KEYWORD_PROP_PRIORITY);
	
	if (priority1 > priority2) return 1;
	if (priority1 < priority2) return -1;

	title1 = ephy_node_get_property_string (node_a, EPHY_NODE_KEYWORD_PROP_NAME);
	title2 = ephy_node_get_property_string (node_b, EPHY_NODE_KEYWORD_PROP_NAME);

	if (title1 == title2) return 0;
	if (title1 == NULL) return -1;
	if (title2 == NULL) return 1;
	return g_utf8_collate (title1, title2);
}

int
ephy_bookmarks_compare_topic_pointers (gconstpointer a, gconstpointer b)
{
	EphyNode *node_a = *(EphyNode **)a;
	EphyNode *node_b = *(EphyNode **)b;
	
	return ephy_bookmarks_compare_topics (node_a, node_b);
}

int
ephy_bookmarks_compare_bookmarks (gconstpointer a, gconstpointer b)
{
	EphyNode *node_a = (EphyNode *)a;
	EphyNode *node_b = (EphyNode *)b;
	const char *title1, *title2;
	
	title1 = ephy_node_get_property_string (node_a, EPHY_NODE_BMK_PROP_TITLE);
	title2 = ephy_node_get_property_string (node_b, EPHY_NODE_BMK_PROP_TITLE);

	if (title1 == title2) return 0;
	if (title1 == NULL) return -1;
	if (title2 == NULL) return 1;
	return g_utf8_collate (title1, title2);
}

int
ephy_bookmarks_compare_bookmark_pointers (gconstpointer a, gconstpointer b)
{
	EphyNode *node_a = *(EphyNode **)a;
	EphyNode *node_b = *(EphyNode **)b;
	
	return ephy_bookmarks_compare_bookmarks (node_a, node_b);
}