a9312cdea3
Otherwise a missing <name> tag in an wallpaper XML can couse Settings to crash. Fixes #2087
164 lines
4.2 KiB
C
164 lines
4.2 KiB
C
/* bg-wallpapers-source.c */
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/*
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* Copyright (C) 2010 Intel, Inc
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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 General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (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, see <http://www.gnu.org/licenses/>.
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*
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* Author: Thomas Wood <thomas.wood@intel.com>
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*
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*/
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#include "bg-wallpapers-source.h"
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#include "cc-background-item.h"
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#include "cc-background-xml.h"
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#include <cairo-gobject.h>
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#include <gio/gio.h>
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struct _BgWallpapersSource
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{
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BgSource parent_instance;
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CcBackgroundXml *xml;
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};
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G_DEFINE_TYPE (BgWallpapersSource, bg_wallpapers_source, BG_TYPE_SOURCE)
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static int
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sort_func (gconstpointer a,
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gconstpointer b,
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gpointer user_data)
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{
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CcBackgroundItem *item_a;
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CcBackgroundItem *item_b;
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const char *name_a;
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const char *name_b;
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item_a = (CcBackgroundItem *) a;
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item_b = (CcBackgroundItem *) b;
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name_a = cc_background_item_get_name (item_a);
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name_b = cc_background_item_get_name (item_b);
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if (name_a && strcmp (name_a, "Default Background") == 0)
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return -1;
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if (name_b && strcmp (name_b, "Default Background") == 0)
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return 1;
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return strcmp (cc_background_item_get_name (item_a),
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cc_background_item_get_name (item_b));
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}
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static void
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load_wallpapers (gchar *key,
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CcBackgroundItem *item,
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BgWallpapersSource *source)
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{
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GListStore *store = bg_source_get_liststore (BG_SOURCE (source));
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gboolean deleted;
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g_object_get (G_OBJECT (item), "is-deleted", &deleted, NULL);
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if (deleted)
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return;
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g_list_store_insert_sorted (store, item, sort_func, NULL);
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}
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static void
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list_load_cb (GObject *source_object,
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GAsyncResult *res,
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gpointer user_data)
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{
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g_autoptr(GError) error = NULL;
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if (!cc_background_xml_load_list_finish (CC_BACKGROUND_XML (source_object), res, &error))
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g_warning ("Failed to load background list: %s", error->message);
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}
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static void
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item_added (BgWallpapersSource *self,
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CcBackgroundItem *item)
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{
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load_wallpapers (NULL, item, self);
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}
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static void
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load_default_bg (BgWallpapersSource *self)
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{
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const char * const *system_data_dirs;
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guint i;
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/* FIXME We could do this nicer if we had the XML source in GSettings */
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system_data_dirs = g_get_system_data_dirs ();
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for (i = 0; system_data_dirs[i]; i++) {
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g_autofree gchar *filename = NULL;
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filename = g_build_filename (system_data_dirs[i],
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"gnome-background-properties",
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"adwaita.xml",
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NULL);
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if (cc_background_xml_load_xml (self->xml, filename))
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break;
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}
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}
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static void
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bg_wallpapers_source_constructed (GObject *object)
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{
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BgWallpapersSource *self = BG_WALLPAPERS_SOURCE (object);
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G_OBJECT_CLASS (bg_wallpapers_source_parent_class)->constructed (object);
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g_signal_connect_object (G_OBJECT (self->xml), "added",
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G_CALLBACK (item_added), self, G_CONNECT_SWAPPED);
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/* Try adding the default background first */
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load_default_bg (self);
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cc_background_xml_load_list_async (self->xml, NULL, list_load_cb, self);
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}
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static void
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bg_wallpapers_source_dispose (GObject *object)
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{
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BgWallpapersSource *self = BG_WALLPAPERS_SOURCE (object);
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g_clear_object (&self->xml);
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G_OBJECT_CLASS (bg_wallpapers_source_parent_class)->dispose (object);
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}
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static void
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bg_wallpapers_source_init (BgWallpapersSource *self)
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{
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self->xml = cc_background_xml_new ();
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}
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static void
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bg_wallpapers_source_class_init (BgWallpapersSourceClass *klass)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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object_class->constructed = bg_wallpapers_source_constructed;
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object_class->dispose = bg_wallpapers_source_dispose;
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}
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BgWallpapersSource *
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bg_wallpapers_source_new (GtkWidget *widget)
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{
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return g_object_new (BG_TYPE_WALLPAPERS_SOURCE, "widget", widget, NULL);
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}
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