static cairo_surface_t *
get_content_loading_icon (BgSource *source)
{
GtkIconTheme *theme;
GtkIconInfo *icon_info;
GdkPixbuf *pixbuf, *ret;
GError *error = NULL;
int scale_factor;
cairo_surface_t *surface;
int thumbnail_height;
int thumbnail_width;
theme = gtk_icon_theme_get_default ();
icon_info = gtk_icon_theme_lookup_icon (theme,
"content-loading-symbolic",
16,
GTK_ICON_LOOKUP_FORCE_SIZE | GTK_ICON_LOOKUP_GENERIC_FALLBACK);
if (icon_info == NULL)
{
g_warning ("Failed to find placeholder icon");
return NULL;
}
pixbuf = gtk_icon_info_load_icon (icon_info, &error);
if (pixbuf == NULL)
{
g_warning ("Failed to load placeholder icon: %s", error->message);
g_clear_error (&error);
g_clear_object (&icon_info);
return NULL;
}
thumbnail_height = bg_source_get_thumbnail_height (source);
thumbnail_width = bg_source_get_thumbnail_width (source);
ret = gdk_pixbuf_new (GDK_COLORSPACE_RGB,
TRUE,
8, thumbnail_width, thumbnail_height);
gdk_pixbuf_fill (ret, 0x00000000);
/* Put the icon in the middle */
gdk_pixbuf_copy_area (pixbuf, 0, 0,
gdk_pixbuf_get_width (pixbuf), gdk_pixbuf_get_height (pixbuf),
ret,
(thumbnail_width - gdk_pixbuf_get_width (pixbuf)) / 2,
(thumbnail_height - gdk_pixbuf_get_height (pixbuf)) / 2);
g_object_unref (pixbuf);
scale_factor = bg_source_get_scale_factor (source);
surface = gdk_cairo_surface_create_from_pixbuf (ret, scale_factor, NULL);
g_object_unref (ret);
g_clear_object (&icon_info);
return surface;
}
static void
picture_opened_for_read (GObject *source_object,
GAsyncResult *res,
gpointer user_data)
{
BgPicturesSource *bg_source;
CcBackgroundItem *item;
GFileInputStream *stream;
GError *error = NULL;
gint thumbnail_height;
gint thumbnail_width;
item = g_object_get_data (source_object, "item");
stream = g_file_read_finish (G_FILE (source_object), res, &error);
if (stream == NULL)
{
if (!g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CANCELLED))
{
char *filename = g_file_get_path (G_FILE (source_object));
g_warning ("Failed to load picture '%s': %s", filename, error->message);
remove_placeholder (BG_PICTURES_SOURCE (user_data), item);
g_free (filename);
}
g_error_free (error);
return;
}
/* since we were not cancelled, we can now cast user_data
* back to BgPicturesSource.
*/
bg_source = BG_PICTURES_SOURCE (user_data);
thumbnail_height = bg_source_get_thumbnail_height (BG_SOURCE (bg_source));
thumbnail_width = bg_source_get_thumbnail_width (BG_SOURCE (bg_source));
g_object_set_data_full (G_OBJECT (stream), "item", g_object_ref (item), g_object_unref);
gdk_pixbuf_new_from_stream_at_scale_async (G_INPUT_STREAM (stream),
thumbnail_width, thumbnail_height,
TRUE,
bg_source->priv->cancellable,
picture_scaled, bg_source);
g_object_unref (stream);
}
static void
bg_colors_source_add_color (BgColorsSource *self,
GnomeDesktopThumbnailFactory *thumb_factory,
GtkListStore *store,
const char *color,
GtkTreeRowReference **ret_row_ref)
{
CcBackgroundItemFlags flags;
CcBackgroundItem *item;
GdkPixbuf *pixbuf;
cairo_surface_t *surface;
int scale_factor;
int thumbnail_height, thumbnail_width;
GtkTreeIter iter;
thumbnail_height = bg_source_get_thumbnail_height (BG_SOURCE (self));
thumbnail_width = bg_source_get_thumbnail_width (BG_SOURCE (self));
item = cc_background_item_new (NULL);
flags = CC_BACKGROUND_ITEM_HAS_PCOLOR |
CC_BACKGROUND_ITEM_HAS_SCOLOR |
CC_BACKGROUND_ITEM_HAS_SHADING |
CC_BACKGROUND_ITEM_HAS_PLACEMENT |
CC_BACKGROUND_ITEM_HAS_URI;
/* It does have a URI, it's "none" */
g_object_set (G_OBJECT (item),
"uri", "file:///" DATADIR "/gnome-control-center/pixmaps/noise-texture-light.png",
"primary-color", color,
"secondary-color", color,
"shading", G_DESKTOP_BACKGROUND_SHADING_SOLID,
"placement", G_DESKTOP_BACKGROUND_STYLE_WALLPAPER,
"flags", flags,
NULL);
cc_background_item_load (item, NULL);
/* insert the item into the liststore */
scale_factor = bg_source_get_scale_factor (BG_SOURCE (self));
pixbuf = cc_background_item_get_thumbnail (item,
thumb_factory,
thumbnail_width, thumbnail_height,
scale_factor);
surface = gdk_cairo_surface_create_from_pixbuf (pixbuf, scale_factor, NULL);
gtk_list_store_insert_with_values (store, &iter, 0,
0, surface,
1, item,
-1);
if (ret_row_ref)
{
GtkTreePath *path;
path = gtk_tree_model_get_path (GTK_TREE_MODEL (store), &iter);
*ret_row_ref = gtk_tree_row_reference_new (GTK_TREE_MODEL (store), path);
gtk_tree_path_free (path);
}
cairo_surface_destroy (surface);
g_object_unref (pixbuf);
g_object_unref (item);
}
