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-rw-r--r--panels/background/cc-background-item.c977
1 files changed, 977 insertions, 0 deletions
diff --git a/panels/background/cc-background-item.c b/panels/background/cc-background-item.c
new file mode 100644
index 0000000..cb6bea2
--- /dev/null
+++ b/panels/background/cc-background-item.c
@@ -0,0 +1,977 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
+ *
+ * Copyright (C) 2010-2011 Red Hat, Inc.
+ *
+ * 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 of the License, 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, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include "config.h"
+
+#include <stdlib.h>
+#include <stdio.h>
+
+#include <gtk/gtk.h>
+#include <gio/gio.h>
+#include <glib/gi18n-lib.h>
+
+#include <libgnome-desktop/gnome-bg.h>
+#include <gdesktop-enums.h>
+
+#include "cc-background-item.h"
+#include "gdesktop-enums-types.h"
+
+struct _CcBackgroundItem
+{
+ GObject parent_instance;
+
+ /* properties */
+ char *name;
+ char *uri;
+ char *size;
+ GDesktopBackgroundStyle placement;
+ GDesktopBackgroundShading shading;
+ char *primary_color;
+ char *secondary_color;
+ char *source_url; /* Used by the Flickr source */
+ char *source_xml; /* Used by the Wallpapers source */
+ gboolean is_deleted;
+ gboolean needs_download;
+ CcBackgroundItemFlags flags;
+ guint64 modified;
+
+ /* internal */
+ GnomeBG *bg;
+ char *mime_type;
+ int width;
+ int height;
+
+ struct {
+ int width;
+ int height;
+ int frame;
+ int scale_factor;
+ GdkPixbuf *thumbnail;
+ } cached_thumbnail;
+};
+
+enum {
+ PROP_0,
+ PROP_NAME,
+ PROP_URI,
+ PROP_PLACEMENT,
+ PROP_SHADING,
+ PROP_PRIMARY_COLOR,
+ PROP_SECONDARY_COLOR,
+ PROP_IS_DELETED,
+ PROP_SOURCE_URL,
+ PROP_SOURCE_XML,
+ PROP_FLAGS,
+ PROP_SIZE,
+ PROP_NEEDS_DOWNLOAD,
+ PROP_MODIFIED
+};
+
+static void cc_background_item_finalize (GObject *object);
+
+G_DEFINE_TYPE (CcBackgroundItem, cc_background_item, G_TYPE_OBJECT)
+
+static void
+set_bg_properties (CcBackgroundItem *item)
+{
+ GdkRGBA pcolor = { 0, 0, 0, 0 };
+ GdkRGBA scolor = { 0, 0, 0, 0 };
+
+ if (item->uri) {
+ g_autoptr(GFile) file = NULL;
+ g_autofree gchar *filename = NULL;
+
+ file = g_file_new_for_commandline_arg (item->uri);
+ filename = g_file_get_path (file);
+ gnome_bg_set_filename (item->bg, filename);
+ }
+
+ if (item->primary_color != NULL) {
+ gdk_rgba_parse (&pcolor, item->primary_color);
+ }
+ if (item->secondary_color != NULL) {
+ gdk_rgba_parse (&scolor, item->secondary_color);
+ }
+
+ gnome_bg_set_rgba (item->bg, item->shading, &pcolor, &scolor);
+ gnome_bg_set_placement (item->bg, item->placement);
+}
+
+
+gboolean
+cc_background_item_changes_with_time (CcBackgroundItem *item)
+{
+ gboolean changes;
+
+ g_return_val_if_fail (CC_IS_BACKGROUND_ITEM (item), FALSE);
+
+ changes = FALSE;
+ if (item->bg != NULL) {
+ changes = gnome_bg_changes_with_time (item->bg);
+ }
+ return changes;
+}
+
+static void
+update_size (CcBackgroundItem *item)
+{
+ g_clear_pointer (&item->size, g_free);
+
+ if (item->uri == NULL) {
+ item->size = g_strdup ("");
+ } else {
+ if (gnome_bg_has_multiple_sizes (item->bg) || gnome_bg_changes_with_time (item->bg)) {
+ item->size = g_strdup (_("multiple sizes"));
+ } else {
+ /* translators: 100 × 100px
+ * Note that this is not an "x", but U+00D7 MULTIPLICATION SIGN */
+ item->size = g_strdup_printf (_("%d × %d"),
+ item->width,
+ item->height);
+ }
+ }
+}
+
+static GdkPixbuf *
+render_at_size (GnomeBG *bg,
+ gint width,
+ gint height)
+{
+ GdkPixbuf *pixbuf;
+
+ pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, FALSE, 8, width, height);
+#ifdef GNOME_DESKTOP_BG_API_BREAK
+ gnome_bg_draw (bg, pixbuf);
+#else
+ gnome_bg_draw (bg, pixbuf, gdk_screen_get_default (), FALSE);
+#endif
+
+ return pixbuf;
+}
+
+GdkPixbuf *
+cc_background_item_get_frame_thumbnail (CcBackgroundItem *item,
+ GnomeDesktopThumbnailFactory *thumbs,
+ int width,
+ int height,
+ int scale_factor,
+ int frame,
+ gboolean force_size)
+{
+ g_autoptr(GdkPixbuf) pixbuf = NULL;
+ g_autoptr(GdkPixbuf) retval = NULL;
+
+ g_return_val_if_fail (CC_IS_BACKGROUND_ITEM (item), NULL);
+ g_return_val_if_fail (width > 0 && height > 0, NULL);
+
+ /* Use the cached thumbnail if the sizes match */
+ if (item->cached_thumbnail.thumbnail &&
+ item->cached_thumbnail.width == width &&
+ item->cached_thumbnail.height == height &&
+ item->cached_thumbnail.scale_factor == scale_factor &&
+ item->cached_thumbnail.frame == frame)
+ return g_object_ref (item->cached_thumbnail.thumbnail);
+
+ set_bg_properties (item);
+
+ if (force_size) {
+ /* FIXME: this doesn't play nice with slideshow stepping at all,
+ * because it will always render the current slideshow frame, which
+ * might not be what we want.
+ * We're lacking an API to draw a high-res GnomeBG manually choosing
+ * the slideshow frame though, so we can't do much better than this
+ * for now.
+ */
+ pixbuf = render_at_size (item->bg, width, height);
+ } else {
+ if (frame >= 0) {
+ pixbuf = gnome_bg_create_frame_thumbnail (item->bg,
+ thumbs,
+ gdk_screen_get_default (),
+ width,
+ height,
+ frame);
+ } else {
+ pixbuf = gnome_bg_create_thumbnail (item->bg,
+ thumbs,
+ gdk_screen_get_default (),
+ width,
+ height);
+ }
+ }
+
+ retval = g_steal_pointer (&pixbuf);
+
+ gnome_bg_get_image_size (item->bg,
+ thumbs,
+ width,
+ height,
+ &item->width,
+ &item->height);
+
+ update_size (item);
+
+ /* Cache the new thumbnail */
+ g_set_object (&item->cached_thumbnail.thumbnail, retval);
+ item->cached_thumbnail.width = width;
+ item->cached_thumbnail.height = height;
+ item->cached_thumbnail.scale_factor = scale_factor;
+ item->cached_thumbnail.frame = frame;
+
+ return g_steal_pointer (&retval);
+}
+
+
+GdkPixbuf *
+cc_background_item_get_thumbnail (CcBackgroundItem *item,
+ GnomeDesktopThumbnailFactory *thumbs,
+ int width,
+ int height,
+ int scale_factor)
+{
+ return cc_background_item_get_frame_thumbnail (item, thumbs, width, height, scale_factor, -1, FALSE);
+}
+
+static void
+update_info (CcBackgroundItem *item,
+ GFileInfo *_info)
+{
+ g_autoptr(GFileInfo) info = NULL;
+
+ if (_info == NULL) {
+ g_autoptr(GFile) file = NULL;
+
+ file = g_file_new_for_uri (item->uri);
+
+ info = g_file_query_info (file,
+ G_FILE_ATTRIBUTE_STANDARD_NAME ","
+ G_FILE_ATTRIBUTE_STANDARD_SIZE ","
+ G_FILE_ATTRIBUTE_STANDARD_CONTENT_TYPE ","
+ G_FILE_ATTRIBUTE_STANDARD_DISPLAY_NAME ","
+ G_FILE_ATTRIBUTE_TIME_MODIFIED,
+ G_FILE_QUERY_INFO_NONE,
+ NULL,
+ NULL);
+ } else {
+ info = g_object_ref (_info);
+ }
+
+ g_clear_pointer (&item->mime_type, g_free);
+
+ if (info == NULL
+ || g_file_info_get_content_type (info) == NULL) {
+ if (item->uri == NULL) {
+ item->mime_type = g_strdup ("image/x-no-data");
+ g_free (item->name);
+ item->name = g_strdup (_("No Desktop Background"));
+ }
+ } else {
+ if (item->name == NULL)
+ item->name = g_strdup (g_file_info_get_display_name (info));
+
+ item->mime_type = g_strdup (g_file_info_get_content_type (info));
+ if (item->modified == 0)
+ item->modified = g_file_info_get_attribute_uint64 (info, G_FILE_ATTRIBUTE_TIME_MODIFIED);
+ }
+}
+
+gboolean
+cc_background_item_load (CcBackgroundItem *item,
+ GFileInfo *info)
+{
+ g_return_val_if_fail (CC_IS_BACKGROUND_ITEM (item), FALSE);
+
+ if (item->uri == NULL)
+ return TRUE;
+
+ update_info (item, info);
+
+ if (item->mime_type != NULL
+ && (g_str_has_prefix (item->mime_type, "image/")
+ || strcmp (item->mime_type, "application/xml") == 0)) {
+ set_bg_properties (item);
+ } else {
+ return FALSE;
+ }
+
+ /* FIXME we should handle XML files as well */
+ if (item->mime_type != NULL &&
+ g_str_has_prefix (item->mime_type, "image/")) {
+ g_autofree gchar *filename = NULL;
+
+ filename = g_filename_from_uri (item->uri, NULL, NULL);
+ gdk_pixbuf_get_file_info (filename,
+ &item->width,
+ &item->height);
+ update_size (item);
+ }
+
+ return TRUE;
+}
+
+static void
+_set_name (CcBackgroundItem *item,
+ const char *value)
+{
+ g_free (item->name);
+ item->name = g_strdup (value);
+}
+
+const char *
+cc_background_item_get_name (CcBackgroundItem *item)
+{
+ g_return_val_if_fail (CC_IS_BACKGROUND_ITEM (item), NULL);
+
+ return item->name;
+}
+
+static void
+_set_uri (CcBackgroundItem *item,
+ const char *value)
+{
+ g_free (item->uri);
+ if (value && *value == '\0') {
+ item->uri = NULL;
+ } else {
+ if (value && strstr (value, "://") == NULL)
+ g_warning ("URI '%s' is invalid", value);
+ item->uri = g_strdup (value);
+ }
+}
+
+const char *
+cc_background_item_get_uri (CcBackgroundItem *item)
+{
+ g_return_val_if_fail (CC_IS_BACKGROUND_ITEM (item), NULL);
+
+ return item->uri;
+}
+
+static void
+_set_placement (CcBackgroundItem *item,
+ GDesktopBackgroundStyle value)
+{
+ item->placement = value;
+}
+
+static void
+_set_shading (CcBackgroundItem *item,
+ GDesktopBackgroundShading value)
+{
+ item->shading = value;
+}
+
+static void
+_set_primary_color (CcBackgroundItem *item,
+ const char *value)
+{
+ g_free (item->primary_color);
+ item->primary_color = g_strdup (value);
+}
+
+const char *
+cc_background_item_get_pcolor (CcBackgroundItem *item)
+{
+ g_return_val_if_fail (CC_IS_BACKGROUND_ITEM (item), NULL);
+
+ return item->primary_color;
+}
+
+static void
+_set_secondary_color (CcBackgroundItem *item,
+ const char *value)
+{
+ g_free (item->secondary_color);
+ item->secondary_color = g_strdup (value);
+}
+
+const char *
+cc_background_item_get_scolor (CcBackgroundItem *item)
+{
+ g_return_val_if_fail (CC_IS_BACKGROUND_ITEM (item), NULL);
+
+ return item->secondary_color;
+}
+
+GDesktopBackgroundStyle
+cc_background_item_get_placement (CcBackgroundItem *item)
+{
+ g_return_val_if_fail (CC_IS_BACKGROUND_ITEM (item), G_DESKTOP_BACKGROUND_STYLE_SCALED);
+
+ return item->placement;
+}
+
+GDesktopBackgroundShading
+cc_background_item_get_shading (CcBackgroundItem *item)
+{
+ g_return_val_if_fail (CC_IS_BACKGROUND_ITEM (item), G_DESKTOP_BACKGROUND_SHADING_SOLID);
+
+ return item->shading;
+}
+
+static void
+_set_is_deleted (CcBackgroundItem *item,
+ gboolean value)
+{
+ item->is_deleted = value;
+}
+
+static void
+_set_source_url (CcBackgroundItem *item,
+ const char *value)
+{
+ g_free (item->source_url);
+ item->source_url = g_strdup (value);
+}
+
+const char *
+cc_background_item_get_source_url (CcBackgroundItem *item)
+{
+ g_return_val_if_fail (CC_IS_BACKGROUND_ITEM (item), NULL);
+
+ return item->source_url;
+}
+
+static void
+_set_source_xml (CcBackgroundItem *item,
+ const char *value)
+{
+ g_free (item->source_xml);
+ item->source_xml = g_strdup (value);
+}
+
+const char *
+cc_background_item_get_source_xml (CcBackgroundItem *item)
+{
+ g_return_val_if_fail (CC_IS_BACKGROUND_ITEM (item), NULL);
+
+ return item->source_xml;
+}
+
+static void
+_set_flags (CcBackgroundItem *item,
+ CcBackgroundItemFlags value)
+{
+ item->flags = value;
+}
+
+CcBackgroundItemFlags
+cc_background_item_get_flags (CcBackgroundItem *item)
+{
+ g_return_val_if_fail (CC_IS_BACKGROUND_ITEM (item), 0);
+
+ return item->flags;
+}
+
+const char *
+cc_background_item_get_size (CcBackgroundItem *item)
+{
+ g_return_val_if_fail (CC_IS_BACKGROUND_ITEM (item), NULL);
+
+ return item->size;
+}
+
+static void
+_set_needs_download (CcBackgroundItem *item,
+ gboolean value)
+{
+ item->needs_download = value;
+}
+
+gboolean
+cc_background_item_get_needs_download (CcBackgroundItem *item)
+{
+ g_return_val_if_fail (CC_IS_BACKGROUND_ITEM (item), 0);
+
+ return item->needs_download;
+}
+
+static void
+_set_modified (CcBackgroundItem *item,
+ guint64 value)
+{
+ item->modified = value;
+}
+
+guint64
+cc_background_item_get_modified (CcBackgroundItem *item)
+{
+ g_return_val_if_fail (CC_IS_BACKGROUND_ITEM (item), 0);
+
+ return item->modified;
+}
+
+static void
+cc_background_item_set_property (GObject *object,
+ guint prop_id,
+ const GValue *value,
+ GParamSpec *pspec)
+{
+ CcBackgroundItem *self;
+
+ self = CC_BACKGROUND_ITEM (object);
+
+ switch (prop_id) {
+ case PROP_NAME:
+ _set_name (self, g_value_get_string (value));
+ break;
+ case PROP_URI:
+ _set_uri (self, g_value_get_string (value));
+ break;
+ case PROP_PLACEMENT:
+ _set_placement (self, g_value_get_enum (value));
+ break;
+ case PROP_SHADING:
+ _set_shading (self, g_value_get_enum (value));
+ break;
+ case PROP_PRIMARY_COLOR:
+ _set_primary_color (self, g_value_get_string (value));
+ break;
+ case PROP_SECONDARY_COLOR:
+ _set_secondary_color (self, g_value_get_string (value));
+ break;
+ case PROP_IS_DELETED:
+ _set_is_deleted (self, g_value_get_boolean (value));
+ break;
+ case PROP_SOURCE_URL:
+ _set_source_url (self, g_value_get_string (value));
+ break;
+ case PROP_SOURCE_XML:
+ _set_source_xml (self, g_value_get_string (value));
+ break;
+ case PROP_FLAGS:
+ _set_flags (self, g_value_get_flags (value));
+ break;
+ case PROP_NEEDS_DOWNLOAD:
+ _set_needs_download (self, g_value_get_boolean (value));
+ break;
+ case PROP_MODIFIED:
+ _set_modified (self, g_value_get_uint64 (value));
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static void
+cc_background_item_get_property (GObject *object,
+ guint prop_id,
+ GValue *value,
+ GParamSpec *pspec)
+{
+ CcBackgroundItem *self;
+
+ self = CC_BACKGROUND_ITEM (object);
+
+ switch (prop_id) {
+ case PROP_NAME:
+ g_value_set_string (value, self->name);
+ break;
+ case PROP_URI:
+ g_value_set_string (value, self->uri);
+ break;
+ case PROP_PLACEMENT:
+ g_value_set_enum (value, self->placement);
+ break;
+ case PROP_SHADING:
+ g_value_set_enum (value, self->shading);
+ break;
+ case PROP_PRIMARY_COLOR:
+ g_value_set_string (value, self->primary_color);
+ break;
+ case PROP_SECONDARY_COLOR:
+ g_value_set_string (value, self->secondary_color);
+ break;
+ case PROP_IS_DELETED:
+ g_value_set_boolean (value, self->is_deleted);
+ break;
+ case PROP_SOURCE_URL:
+ g_value_set_string (value, self->source_url);
+ break;
+ case PROP_SOURCE_XML:
+ g_value_set_string (value, self->source_xml);
+ break;
+ case PROP_FLAGS:
+ g_value_set_flags (value, self->flags);
+ break;
+ case PROP_SIZE:
+ g_value_set_string (value, self->size);
+ break;
+ case PROP_NEEDS_DOWNLOAD:
+ g_value_set_boolean (value, self->needs_download);
+ break;
+ case PROP_MODIFIED:
+ g_value_set_uint64 (value, self->modified);
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static GObject *
+cc_background_item_constructor (GType type,
+ guint n_construct_properties,
+ GObjectConstructParam *construct_properties)
+{
+ CcBackgroundItem *background_item;
+
+ background_item = CC_BACKGROUND_ITEM (G_OBJECT_CLASS (cc_background_item_parent_class)->constructor (type,
+ n_construct_properties,
+ construct_properties));
+
+ return G_OBJECT (background_item);
+}
+
+static void
+cc_background_item_class_init (CcBackgroundItemClass *klass)
+{
+ GObjectClass *object_class = G_OBJECT_CLASS (klass);
+
+ object_class->get_property = cc_background_item_get_property;
+ object_class->set_property = cc_background_item_set_property;
+ object_class->constructor = cc_background_item_constructor;
+ object_class->finalize = cc_background_item_finalize;
+
+ g_object_class_install_property (object_class,
+ PROP_NAME,
+ g_param_spec_string ("name",
+ "name",
+ "name",
+ NULL,
+ G_PARAM_READWRITE));
+ g_object_class_install_property (object_class,
+ PROP_URI,
+ g_param_spec_string ("uri",
+ "uri",
+ "uri",
+ NULL,
+ G_PARAM_READWRITE));
+ g_object_class_install_property (object_class,
+ PROP_PLACEMENT,
+ g_param_spec_enum ("placement",
+ "placement",
+ "placement",
+ G_DESKTOP_TYPE_DESKTOP_BACKGROUND_STYLE,
+ G_DESKTOP_BACKGROUND_STYLE_SCALED,
+ G_PARAM_READWRITE));
+
+ g_object_class_install_property (object_class,
+ PROP_SHADING,
+ g_param_spec_enum ("shading",
+ "shading",
+ "shading",
+ G_DESKTOP_TYPE_DESKTOP_BACKGROUND_SHADING,
+ G_DESKTOP_BACKGROUND_SHADING_SOLID,
+ G_PARAM_READWRITE));
+ g_object_class_install_property (object_class,
+ PROP_PRIMARY_COLOR,
+ g_param_spec_string ("primary-color",
+ "primary-color",
+ "primary-color",
+ "#000000000000",
+ G_PARAM_READWRITE));
+ g_object_class_install_property (object_class,
+ PROP_SECONDARY_COLOR,
+ g_param_spec_string ("secondary-color",
+ "secondary-color",
+ "secondary-color",
+ "#000000000000",
+ G_PARAM_READWRITE));
+
+ g_object_class_install_property (object_class,
+ PROP_IS_DELETED,
+ g_param_spec_boolean ("is-deleted",
+ NULL,
+ NULL,
+ FALSE,
+ G_PARAM_READWRITE));
+
+ g_object_class_install_property (object_class,
+ PROP_SOURCE_URL,
+ g_param_spec_string ("source-url",
+ "source-url",
+ "source-url",
+ NULL,
+ G_PARAM_READWRITE));
+
+ g_object_class_install_property (object_class,
+ PROP_SOURCE_XML,
+ g_param_spec_string ("source-xml",
+ "source-xml",
+ "source-xml",
+ NULL,
+ G_PARAM_READWRITE));
+
+ g_object_class_install_property (object_class,
+ PROP_FLAGS,
+ g_param_spec_flags ("flags",
+ "flags",
+ "flags",
+ G_DESKTOP_TYPE_BACKGROUND_ITEM_FLAGS,
+ 0,
+ G_PARAM_READWRITE));
+
+ g_object_class_install_property (object_class,
+ PROP_SIZE,
+ g_param_spec_string ("size",
+ "size",
+ "size",
+ NULL,
+ G_PARAM_READABLE));
+
+ g_object_class_install_property (object_class,
+ PROP_NEEDS_DOWNLOAD,
+ g_param_spec_boolean ("needs-download",
+ NULL,
+ NULL,
+ TRUE,
+ G_PARAM_READWRITE));
+
+ g_object_class_install_property (object_class,
+ PROP_MODIFIED,
+ g_param_spec_uint64 ("modified",
+ "modified",
+ NULL,
+ 0,
+ G_MAXUINT64,
+ 0,
+ G_PARAM_READWRITE));
+}
+
+static void
+cc_background_item_init (CcBackgroundItem *item)
+{
+ item->bg = gnome_bg_new ();
+
+ item->shading = G_DESKTOP_BACKGROUND_SHADING_SOLID;
+ item->placement = G_DESKTOP_BACKGROUND_STYLE_SCALED;
+ item->primary_color = g_strdup ("#000000000000");
+ item->secondary_color = g_strdup ("#000000000000");
+ item->needs_download = TRUE;
+ item->flags = 0;
+ item->modified = 0;
+}
+
+static void
+cc_background_item_finalize (GObject *object)
+{
+ CcBackgroundItem *item;
+
+ g_return_if_fail (object != NULL);
+ g_return_if_fail (CC_IS_BACKGROUND_ITEM (object));
+
+ item = CC_BACKGROUND_ITEM (object);
+
+ g_return_if_fail (item != NULL);
+
+ g_clear_object (&item->cached_thumbnail.thumbnail);
+ g_free (item->name);
+ g_free (item->uri);
+ g_free (item->primary_color);
+ g_free (item->secondary_color);
+ g_free (item->mime_type);
+ g_free (item->size);
+ g_free (item->source_url);
+ g_free (item->source_xml);
+
+ if (item->bg != NULL)
+ g_object_unref (item->bg);
+
+ G_OBJECT_CLASS (cc_background_item_parent_class)->finalize (object);
+}
+
+CcBackgroundItem *
+cc_background_item_new (const char *uri)
+{
+ GObject *object;
+
+ object = g_object_new (CC_TYPE_BACKGROUND_ITEM,
+ "uri", uri,
+ NULL);
+
+ return CC_BACKGROUND_ITEM (object);
+}
+
+CcBackgroundItem *
+cc_background_item_copy (CcBackgroundItem *item)
+{
+ CcBackgroundItem *ret;
+
+ ret = cc_background_item_new (item->uri);
+ ret->name = g_strdup (item->name);
+ ret->size = g_strdup (item->size);
+ ret->placement = item->placement;
+ ret->shading = item->shading;
+ ret->primary_color = g_strdup (item->primary_color);
+ ret->secondary_color = g_strdup (item->secondary_color);
+ ret->source_url = g_strdup (item->source_url);
+ ret->source_xml = g_strdup (item->source_xml);
+ ret->is_deleted = item->is_deleted;
+ ret->needs_download = item->needs_download;
+ ret->flags = item->flags;
+
+ return ret;
+}
+
+static const char *
+flags_to_str (CcBackgroundItemFlags flag)
+{
+ GFlagsClass *fclass;
+ GFlagsValue *value;
+
+ fclass = G_FLAGS_CLASS (g_type_class_peek (G_DESKTOP_TYPE_BACKGROUND_ITEM_FLAGS));
+ value = g_flags_get_first_value (fclass, flag);
+
+ g_assert (value);
+
+ return value->value_nick;
+}
+
+static const char *
+enum_to_str (GType type,
+ int v)
+{
+ GEnumClass *eclass;
+ GEnumValue *value;
+
+ eclass = G_ENUM_CLASS (g_type_class_peek (type));
+ value = g_enum_get_value (eclass, v);
+
+ g_assert (value);
+
+ return value->value_nick;
+}
+
+void
+cc_background_item_dump (CcBackgroundItem *item)
+{
+ g_autoptr(GString) flags = NULL;
+ int i;
+
+ g_return_if_fail (CC_IS_BACKGROUND_ITEM (item));
+
+ g_debug ("name:\t\t\t%s", item->name);
+ g_debug ("URI:\t\t\t%s", item->uri ? item->uri : "NULL");
+ if (item->size)
+ g_debug ("size:\t\t\t'%s'", item->size);
+ flags = g_string_new (NULL);
+ for (i = 0; i < 5; i++) {
+ if (item->flags & (1 << i)) {
+ g_string_append (flags, flags_to_str (1 << i));
+ g_string_append_c (flags, ' ');
+ }
+ }
+ if (flags->len == 0)
+ g_string_append (flags, "-none-");
+ g_debug ("flags:\t\t\t%s", flags->str);
+ if (item->primary_color)
+ g_debug ("pcolor:\t\t\t%s", item->primary_color);
+ if (item->secondary_color)
+ g_debug ("scolor:\t\t\t%s", item->secondary_color);
+ g_debug ("placement:\t\t%s", enum_to_str (G_DESKTOP_TYPE_DESKTOP_BACKGROUND_STYLE, item->placement));
+ g_debug ("shading:\t\t%s", enum_to_str (G_DESKTOP_TYPE_DESKTOP_BACKGROUND_SHADING, item->shading));
+ if (item->source_url)
+ g_debug ("source URL:\t\t%s", item->source_url);
+ if (item->source_xml)
+ g_debug ("source XML:\t\t%s", item->source_xml);
+ g_debug ("deleted:\t\t%s", item->is_deleted ? "yes" : "no");
+ if (item->mime_type)
+ g_debug ("mime-type:\t\t%s", item->mime_type);
+ g_debug ("dimensions:\t\t%d x %d", item->width, item->height);
+ g_debug ("modified: %"G_GUINT64_FORMAT, item->modified);
+ g_debug (" ");
+}
+
+static gboolean
+files_equal (const char *a,
+ const char *b)
+{
+ g_autoptr(GFile) file1 = NULL;
+ g_autoptr(GFile) file2 = NULL;
+ gboolean retval;
+
+ if (a == NULL &&
+ b == NULL)
+ return TRUE;
+
+ if (a == NULL ||
+ b == NULL)
+ return FALSE;
+
+ file1 = g_file_new_for_commandline_arg (a);
+ file2 = g_file_new_for_commandline_arg (b);
+ if (g_file_equal (file1, file2) == FALSE)
+ retval = FALSE;
+ else
+ retval = TRUE;
+
+ return retval;
+}
+
+static gboolean
+colors_equal (const char *a,
+ const char *b)
+{
+ GdkRGBA color1, color2;
+
+ gdk_rgba_parse (&color1, a);
+ gdk_rgba_parse (&color2, b);
+
+ return gdk_rgba_equal (&color1, &color2);
+}
+
+gboolean
+cc_background_item_compare (CcBackgroundItem *saved,
+ CcBackgroundItem *configured)
+{
+ CcBackgroundItemFlags flags;
+
+ flags = saved->flags;
+ if (flags == 0)
+ return FALSE;
+
+ if (flags & CC_BACKGROUND_ITEM_HAS_URI) {
+ if (files_equal (saved->uri, configured->uri) == FALSE)
+ return FALSE;
+ }
+ if (flags & CC_BACKGROUND_ITEM_HAS_SHADING) {
+ if (saved->shading != configured->shading)
+ return FALSE;
+ }
+ if (flags & CC_BACKGROUND_ITEM_HAS_PLACEMENT) {
+ if (saved->placement != configured->placement)
+ return FALSE;
+ }
+ if (flags & CC_BACKGROUND_ITEM_HAS_PCOLOR) {
+ if (colors_equal (saved->primary_color,
+ configured->primary_color) == FALSE) {
+ return FALSE;
+ }
+ }
+ if (flags & CC_BACKGROUND_ITEM_HAS_SCOLOR) {
+ if (colors_equal (saved->secondary_color,
+ configured->secondary_color) == FALSE) {
+ return FALSE;
+ }
+ }
+
+ return TRUE;
+}