Implement support for parsed attributes.

This commit is heavily based on earlier work by Bruno Abinader in #2073.

1 files changed, 10 insertions, 0 deletions

diff --git a/src/components/script/dom/virtualmethods.rs b/src/components/script/dom/virtualmethods.rs
index aafe3efe4f4..b32af5139da 100644
--- a/src/components/script/dom/virtualmethods.rs
+++ b/src/components/script/dom/virtualmethods.rs
@@ -2,6 +2,7 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
+use dom::attr::{AttrValue, StringAttrValue};
 use dom::bindings::codegen::InheritTypes::ElementCast;
 use dom::bindings::codegen::InheritTypes::HTMLAnchorElementCast;
 use dom::bindings::codegen::InheritTypes::HTMLBodyElementCast;
@@ -50,6 +51,15 @@ pub trait VirtualMethods {
         }
     }
 
+    /// Returns the right AttrValue variant for the attribute with name `name`
+    /// on this element.
+    fn parse_plain_attribute(&self, name: &str, value: DOMString) -> AttrValue {
+        match self.super_type() {
+            Some(ref s) => s.parse_plain_attribute(name, value),
+            _ => StringAttrValue(value),
+        }
+    }
+
     /// Called when a Node is appended to a tree that is part of a Document.
     fn bind_to_tree(&self) {
         match self.super_type() {