* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ * License along with this library. If not, see <http://www.gnu.org/licenses/>.
*
* Authors: Benjamin Otte <otte@gnome.org>
*/
/* for the types only */
#include "gtk/gtkcssimagegradientprivate.h"
+#include "gtk/gtkcssimagelinearprivate.h"
#include "gtk/gtkcssimageurlprivate.h"
#include "gtk/gtkcssimagewin32private.h"
return result;
}
-GtkCssImage *
-_gtk_css_image_new_parse (GtkCssParser *parser,
- GFile *base)
+GType
+gtk_css_image_get_parser_type (GtkCssParser *parser)
{
static const struct {
const char *prefix;
} image_types[] = {
{ "url", _gtk_css_image_url_get_type },
{ "-gtk-gradient", _gtk_css_image_gradient_get_type },
- { "-gtk-win32-theme-part", _gtk_css_image_win32_get_type }
+ { "-gtk-win32-theme-part", _gtk_css_image_win32_get_type },
+ { "linear-gradient", _gtk_css_image_linear_get_type },
+ { "repeating-linear-gradient", _gtk_css_image_linear_get_type }
};
guint i;
- g_return_val_if_fail (parser != NULL, NULL);
- g_return_val_if_fail (G_IS_FILE (base), NULL);
-
for (i = 0; i < G_N_ELEMENTS (image_types); i++)
{
if (_gtk_css_parser_has_prefix (parser, image_types[i].prefix))
- {
- GtkCssImage *image;
- GtkCssImageClass *klass;
+ return image_types[i].type_func ();
+ }
- image = g_object_new (image_types[i].type_func (), NULL);
+ return G_TYPE_INVALID;
+}
- klass = GTK_CSS_IMAGE_GET_CLASS (image);
- if (!klass->parse (image, parser, base))
- {
- g_object_unref (image);
- return NULL;
- }
+/**
+ * _gtk_css_image_can_parse:
+ * @parser: a css parser
+ *
+ * Checks if the parser can potentially parse the given stream as an
+ * image from looking at the first token of @parser. This is useful for
+ * implementing shorthand properties. A successful parse of an image
+ * can not be guaranteed.
+ *
+ * Returns: %TURE if it looks like an image.
+ **/
+gboolean
+_gtk_css_image_can_parse (GtkCssParser *parser)
+{
+ return gtk_css_image_get_parser_type (parser) != G_TYPE_INVALID;
+}
- return image;
- }
+GtkCssImage *
+_gtk_css_image_new_parse (GtkCssParser *parser,
+ GFile *base)
+{
+ GtkCssImageClass *klass;
+ GtkCssImage *image;
+ GType image_type;
+
+ g_return_val_if_fail (parser != NULL, NULL);
+ g_return_val_if_fail (G_IS_FILE (base), NULL);
+
+ image_type = gtk_css_image_get_parser_type (parser);
+ if (image_type == G_TYPE_INVALID)
+ {
+ _gtk_css_parser_error (parser, "Not a valid image");
+ return NULL;
+ }
+
+ image = g_object_new (image_type, NULL);
+
+ klass = GTK_CSS_IMAGE_GET_CLASS (image);
+ if (!klass->parse (image, parser, base))
+ {
+ g_object_unref (image);
+ return NULL;
}
- _gtk_css_parser_error (parser, "Not a valid image");
- return NULL;
+ return image;
}