forked from AuroraMiddleware/gtk
526 lines
12 KiB
C
526 lines
12 KiB
C
/* -*- Mode: C; c-file-style: "gnu"; tab-width: 8 -*- */
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/* GTK - The GIMP Toolkit
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* gtkbookmarksmanager.c: Utilities to manage and monitor ~/.gtk-bookmarks
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* Copyright (C) 2003, Red Hat, Inc.
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* Copyright (C) 2007-2008 Carlos Garnacho
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* Copyright (C) 2011 Suse
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
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*
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* Authors: Federico Mena Quintero <federico@gnome.org>
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*/
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#include "config.h"
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#include <string.h>
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#include <glib/gi18n-lib.h>
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#include "gtkbookmarksmanager.h"
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#include "gtkfilechooser.h" /* for the GError types */
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static void
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_gtk_bookmark_free (GtkBookmark *bookmark)
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{
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g_object_unref (bookmark->file);
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g_free (bookmark->label);
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g_slice_free (GtkBookmark, bookmark);
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}
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static GFile *
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get_legacy_bookmarks_file (void)
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{
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GFile *file;
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gchar *filename;
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filename = g_build_filename (g_get_home_dir (), ".gtk-bookmarks", NULL);
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file = g_file_new_for_path (filename);
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g_free (filename);
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return file;
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}
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static GFile *
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get_bookmarks_file (void)
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{
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GFile *file;
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gchar *filename;
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filename = g_build_filename (g_get_user_config_dir (), "gtk-3.0", "bookmarks", NULL);
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file = g_file_new_for_path (filename);
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g_free (filename);
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return file;
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}
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static GSList *
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read_bookmarks (GFile *file)
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{
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gchar *contents;
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gchar **lines, *space;
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GSList *bookmarks = NULL;
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gint i;
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if (!g_file_load_contents (file, NULL, &contents,
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NULL, NULL, NULL))
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return NULL;
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lines = g_strsplit (contents, "\n", -1);
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for (i = 0; lines[i]; i++)
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{
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GtkBookmark *bookmark;
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if (!*lines[i])
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continue;
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if (!g_utf8_validate (lines[i], -1, NULL))
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continue;
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bookmark = g_slice_new0 (GtkBookmark);
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if ((space = strchr (lines[i], ' ')) != NULL)
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{
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space[0] = '\0';
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bookmark->label = g_strdup (space + 1);
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}
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bookmark->file = g_file_new_for_uri (lines[i]);
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bookmarks = g_slist_prepend (bookmarks, bookmark);
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}
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bookmarks = g_slist_reverse (bookmarks);
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g_strfreev (lines);
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g_free (contents);
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return bookmarks;
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}
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static void
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save_bookmarks (GFile *bookmarks_file,
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GSList *bookmarks)
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{
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GError *error = NULL;
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GString *contents;
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GSList *l;
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contents = g_string_new ("");
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for (l = bookmarks; l; l = l->next)
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{
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GtkBookmark *bookmark = l->data;
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gchar *uri;
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uri = g_file_get_uri (bookmark->file);
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if (!uri)
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continue;
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g_string_append (contents, uri);
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if (bookmark->label)
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g_string_append_printf (contents, " %s", bookmark->label);
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g_string_append_c (contents, '\n');
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g_free (uri);
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}
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if (!g_file_replace_contents (bookmarks_file,
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contents->str,
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strlen (contents->str),
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NULL, FALSE, 0, NULL,
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NULL, &error))
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{
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g_critical ("%s", error->message);
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g_error_free (error);
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}
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g_string_free (contents, TRUE);
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}
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static void
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notify_changed (GtkBookmarksManager *manager)
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{
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if (manager->changed_func)
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manager->changed_func (manager->changed_func_data);
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}
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static void
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bookmarks_file_changed (GFileMonitor *monitor,
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GFile *file,
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GFile *other_file,
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GFileMonitorEvent event,
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gpointer data)
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{
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GtkBookmarksManager *manager = data;
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switch (event)
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{
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case G_FILE_MONITOR_EVENT_CHANGED:
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case G_FILE_MONITOR_EVENT_CHANGES_DONE_HINT:
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case G_FILE_MONITOR_EVENT_CREATED:
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case G_FILE_MONITOR_EVENT_DELETED:
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g_slist_foreach (manager->bookmarks, (GFunc) _gtk_bookmark_free, NULL);
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g_slist_free (manager->bookmarks);
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manager->bookmarks = read_bookmarks (file);
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gdk_threads_enter ();
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notify_changed (manager);
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gdk_threads_leave ();
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break;
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default:
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/* ignore at the moment */
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break;
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}
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}
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GtkBookmarksManager *
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_gtk_bookmarks_manager_new (GtkBookmarksChangedFunc changed_func, gpointer changed_func_data)
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{
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GtkBookmarksManager *manager;
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GFile *bookmarks_file;
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GError *error;
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manager = g_new0 (GtkBookmarksManager, 1);
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manager->changed_func = changed_func;
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manager->changed_func_data = changed_func_data;
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bookmarks_file = get_bookmarks_file ();
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manager->bookmarks = read_bookmarks (bookmarks_file);
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if (!manager->bookmarks)
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{
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GFile *legacy_bookmarks_file;
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/* Read the legacy one and write it to the new one */
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legacy_bookmarks_file = get_legacy_bookmarks_file ();
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manager->bookmarks = read_bookmarks (legacy_bookmarks_file);
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save_bookmarks (bookmarks_file, manager->bookmarks);
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g_object_unref (legacy_bookmarks_file);
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}
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error = NULL;
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manager->bookmarks_monitor = g_file_monitor_file (bookmarks_file,
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G_FILE_MONITOR_NONE,
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NULL, &error);
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if (error)
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{
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g_warning ("%s", error->message);
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g_error_free (error);
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}
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else
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manager->bookmarks_monitor_changed_id = g_signal_connect (manager->bookmarks_monitor, "changed",
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G_CALLBACK (bookmarks_file_changed), manager);
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g_object_unref (bookmarks_file);
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return manager;
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}
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void
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_gtk_bookmarks_manager_free (GtkBookmarksManager *manager)
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{
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g_return_if_fail (manager != NULL);
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if (manager->bookmarks_monitor)
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{
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g_file_monitor_cancel (manager->bookmarks_monitor);
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g_signal_handler_disconnect (manager->bookmarks_monitor, manager->bookmarks_monitor_changed_id);
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manager->bookmarks_monitor_changed_id = 0;
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g_object_unref (manager->bookmarks_monitor);
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}
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if (manager->bookmarks)
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{
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g_slist_foreach (manager->bookmarks, (GFunc) _gtk_bookmark_free, NULL);
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g_slist_free (manager->bookmarks);
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}
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g_free (manager);
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}
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GSList *
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_gtk_bookmarks_manager_list_bookmarks (GtkBookmarksManager *manager)
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{
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GSList *bookmarks, *files = NULL;
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g_return_val_if_fail (manager != NULL, NULL);
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bookmarks = manager->bookmarks;
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while (bookmarks)
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{
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GtkBookmark *bookmark;
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bookmark = bookmarks->data;
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bookmarks = bookmarks->next;
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files = g_slist_prepend (files, g_object_ref (bookmark->file));
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}
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return g_slist_reverse (files);
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}
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GSList *
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find_bookmark_link_for_file (GSList *bookmarks, GFile *file, int *position_ret)
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{
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int pos;
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pos = 0;
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for (; bookmarks; bookmarks = bookmarks->next)
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{
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GtkBookmark *bookmark = bookmarks->data;
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if (g_file_equal (file, bookmark->file))
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{
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if (position_ret)
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*position_ret = pos;
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return bookmarks;
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}
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pos++;
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}
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if (position_ret)
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*position_ret = -1;
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return NULL;
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}
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gboolean
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_gtk_bookmarks_manager_insert_bookmark (GtkBookmarksManager *manager,
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GFile *file,
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gint position,
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GError **error)
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{
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GSList *link;
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GtkBookmark *bookmark;
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GFile *bookmarks_file;
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g_return_val_if_fail (manager != NULL, FALSE);
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g_return_val_if_fail (error == NULL || *error == NULL, FALSE);
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link = find_bookmark_link_for_file (manager->bookmarks, file, NULL);
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if (link)
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{
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bookmark = link->data;
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gchar *uri = g_file_get_uri (bookmark->file);
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g_set_error (error,
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GTK_FILE_CHOOSER_ERROR,
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GTK_FILE_CHOOSER_ERROR_ALREADY_EXISTS,
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"%s already exists in the bookmarks list",
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uri);
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g_free (uri);
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return FALSE;
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}
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bookmark = g_slice_new0 (GtkBookmark);
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bookmark->file = g_object_ref (file);
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manager->bookmarks = g_slist_insert (manager->bookmarks, bookmark, position);
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bookmarks_file = get_bookmarks_file ();
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save_bookmarks (bookmarks_file, manager->bookmarks);
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g_object_unref (bookmarks_file);
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notify_changed (manager);
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return TRUE;
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}
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gboolean
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_gtk_bookmarks_manager_remove_bookmark (GtkBookmarksManager *manager,
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GFile *file,
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GError **error)
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{
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GSList *link;
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GFile *bookmarks_file;
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g_return_val_if_fail (manager != NULL, FALSE);
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g_return_val_if_fail (error == NULL || *error == NULL, FALSE);
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if (!manager->bookmarks)
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return FALSE;
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link = find_bookmark_link_for_file (manager->bookmarks, file, NULL);
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if (link)
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{
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GtkBookmark *bookmark = link->data;
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manager->bookmarks = g_slist_remove_link (manager->bookmarks, link);
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_gtk_bookmark_free (bookmark);
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g_slist_free_1 (link);
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}
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else
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{
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gchar *uri = g_file_get_uri (file);
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g_set_error (error,
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GTK_FILE_CHOOSER_ERROR,
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GTK_FILE_CHOOSER_ERROR_NONEXISTENT,
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"%s does not exist in the bookmarks list",
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uri);
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g_free (uri);
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return FALSE;
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}
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bookmarks_file = get_bookmarks_file ();
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save_bookmarks (bookmarks_file, manager->bookmarks);
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g_object_unref (bookmarks_file);
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notify_changed (manager);
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return TRUE;
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}
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gboolean
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_gtk_bookmarks_manager_reorder_bookmark (GtkBookmarksManager *manager,
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GFile *file,
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gint new_position,
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GError **error)
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{
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GSList *link;
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GFile *bookmarks_file;
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int old_position;
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g_return_val_if_fail (manager != NULL, FALSE);
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g_return_val_if_fail (error == NULL || *error == NULL, FALSE);
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g_return_val_if_fail (new_position >= 0, FALSE);
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if (!manager->bookmarks)
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return FALSE;
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link = find_bookmark_link_for_file (manager->bookmarks, file, &old_position);
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if (new_position == old_position)
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return TRUE;
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if (link)
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{
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GtkBookmark *bookmark = link->data;
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manager->bookmarks = g_slist_remove_link (manager->bookmarks, link);
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g_slist_free_1 (link);
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if (new_position > old_position)
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new_position--;
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manager->bookmarks = g_slist_insert (manager->bookmarks, bookmark, new_position);
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}
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else
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{
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gchar *uri = g_file_get_uri (file);
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g_set_error (error,
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GTK_FILE_CHOOSER_ERROR,
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GTK_FILE_CHOOSER_ERROR_NONEXISTENT,
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"%s does not exist in the bookmarks list",
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uri);
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g_free (uri);
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return FALSE;
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}
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bookmarks_file = get_bookmarks_file ();
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save_bookmarks (bookmarks_file, manager->bookmarks);
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g_object_unref (bookmarks_file);
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notify_changed (manager);
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return TRUE;
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}
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gchar *
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_gtk_bookmarks_manager_get_bookmark_label (GtkBookmarksManager *manager,
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GFile *file)
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{
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GSList *bookmarks;
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gchar *label = NULL;
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g_return_val_if_fail (manager != NULL, NULL);
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g_return_val_if_fail (file != NULL, NULL);
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bookmarks = manager->bookmarks;
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while (bookmarks)
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{
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GtkBookmark *bookmark;
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bookmark = bookmarks->data;
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bookmarks = bookmarks->next;
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if (g_file_equal (file, bookmark->file))
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{
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label = g_strdup (bookmark->label);
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break;
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}
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}
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return label;
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}
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gboolean
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_gtk_bookmarks_manager_set_bookmark_label (GtkBookmarksManager *manager,
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GFile *file,
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const gchar *label,
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GError **error)
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{
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GFile *bookmarks_file;
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GSList *link;
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g_return_val_if_fail (manager != NULL, FALSE);
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g_return_val_if_fail (file != NULL, FALSE);
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link = find_bookmark_link_for_file (manager->bookmarks, file, NULL);
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if (link)
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{
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GtkBookmark *bookmark = link->data;
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g_free (bookmark->label);
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bookmark->label = g_strdup (label);
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}
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else
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{
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gchar *uri = g_file_get_uri (file);
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g_set_error (error,
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GTK_FILE_CHOOSER_ERROR,
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GTK_FILE_CHOOSER_ERROR_NONEXISTENT,
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"%s does not exist in the bookmarks list",
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uri);
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g_free (uri);
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return FALSE;
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}
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bookmarks_file = get_bookmarks_file ();
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save_bookmarks (bookmarks_file, manager->bookmarks);
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g_object_unref (bookmarks_file);
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notify_changed (manager);
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return TRUE;
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}
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