Implement support for 'disabled' property in HTMLTextAreaElement

src/components/script/dom/htmltextareaelement.rs

@@ -3,14 +3,17 @@
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
 use dom::bindings::codegen::Bindings::HTMLTextAreaElementBinding;
-use dom::bindings::codegen::InheritTypes::HTMLTextAreaElementDerived;
+use dom::bindings::codegen::Bindings::HTMLTextAreaElementBinding::HTMLTextAreaElementMethods;
+use dom::bindings::codegen::InheritTypes::{ElementCast, HTMLElementCast, NodeCast};
+use dom::bindings::codegen::InheritTypes::{HTMLTextAreaElementDerived, HTMLFieldSetElementDerived};
 use dom::bindings::js::{JSRef, Temporary};
 use dom::bindings::utils::{Reflectable, Reflector};
 use dom::document::Document;
-use dom::element::HTMLTextAreaElementTypeId;
+use dom::element::{AttributeHandlers, Element, HTMLTextAreaElementTypeId};
 use dom::eventtarget::{EventTarget, NodeTargetTypeId};
 use dom::htmlelement::HTMLElement;
-use dom::node::{Node, ElementNodeTypeId};
+use dom::node::{DisabledStateHelpers, Node, NodeHelpers, ElementNodeTypeId};
+use dom::virtualmethods::VirtualMethods;
 use servo_util::str::DOMString;
 
 #[deriving(Encodable)]
@@ -37,6 +40,84 @@ impl HTMLTextAreaElement {
     }
 }
 
+impl<'a> HTMLTextAreaElementMethods for JSRef<'a, HTMLTextAreaElement> {
+    // http://www.whatwg.org/html/#dom-fe-disabled
+    fn Disabled(&self) -> bool {
+        let elem: &JSRef<Element> = ElementCast::from_ref(self);
+        elem.has_attribute("disabled")
+    }
+
+    // http://www.whatwg.org/html/#dom-fe-disabled
+    fn SetDisabled(&self, disabled: bool) {
+        let elem: &JSRef<Element> = ElementCast::from_ref(self);
+        elem.set_bool_attribute("disabled", disabled)
+    }
+}
+
+impl<'a> VirtualMethods for JSRef<'a, HTMLTextAreaElement> {
+    fn super_type<'a>(&'a self) -> Option<&'a VirtualMethods> {
+        let htmlelement: &JSRef<HTMLElement> = HTMLElementCast::from_ref(self);
+        Some(htmlelement as &VirtualMethods)
+    }
+
+    fn after_set_attr(&self, name: DOMString, value: DOMString) {
+        match self.super_type() {
+            Some(ref s) => s.after_set_attr(name.clone(), value.clone()),
+            _ => (),
+        }
+
+        let node: &JSRef<Node> = NodeCast::from_ref(self);
+        match name.as_slice() {
+            "disabled" => {
+                node.set_disabled_state(true);
+                node.set_enabled_state(false);
+            },
+            _ => ()
+        }
+    }
+
+    fn before_remove_attr(&self, name: DOMString, value: DOMString) {
+        match self.super_type() {
+            Some(ref s) => s.before_remove_attr(name.clone(), value),
+            _ => (),
+        }
+
+        let node: &JSRef<Node> = NodeCast::from_ref(self);
+        match name.as_slice() {
+            "disabled" => {
+                node.set_disabled_state(false);
+                node.set_enabled_state(true);
+                node.check_ancestors_disabled_state_for_form_control();
+            },
+            _ => ()
+        }
+    }
+
+    fn bind_to_tree(&self, tree_in_doc: bool) {
+        match self.super_type() {
+            Some(ref s) => s.bind_to_tree(tree_in_doc),
+            _ => (),
+        }
+
+        let node: &JSRef<Node> = NodeCast::from_ref(self);
+        node.check_ancestors_disabled_state_for_form_control();
+    }
+
+    fn unbind_from_tree(&self, tree_in_doc: bool) {
+        match self.super_type() {
+            Some(ref s) => s.unbind_from_tree(tree_in_doc),
+            _ => (),
+        }
+
+        let node: &JSRef<Node> = NodeCast::from_ref(self);
+        if node.ancestors().any(|ancestor| ancestor.is_htmlfieldsetelement()) {
+            node.check_ancestors_disabled_state_for_form_control();
+        } else {
+            node.check_disabled_attribute();
+        }
+    }
+}
+
 impl Reflectable for HTMLTextAreaElement {
     fn reflector<'a>(&'a self) -> &'a Reflector {
         self.htmlelement.reflector()

src/components/script/dom/virtualmethods.rs

@@ -18,6 +18,7 @@ use dom::bindings::codegen::InheritTypes::HTMLOptGroupElementCast;
 use dom::bindings::codegen::InheritTypes::HTMLOptionElementCast;
 use dom::bindings::codegen::InheritTypes::HTMLSelectElementCast;
 use dom::bindings::codegen::InheritTypes::HTMLStyleElementCast;
+use dom::bindings::codegen::InheritTypes::HTMLTextAreaElementCast;
 use dom::bindings::js::JSRef;
 use dom::element::Element;
 use dom::element::ElementTypeId;
@@ -34,6 +35,7 @@ use dom::element::HTMLOptGroupElementTypeId;
 use dom::element::HTMLOptionElementTypeId;
 use dom::element::HTMLSelectElementTypeId;
 use dom::element::HTMLStyleElementTypeId;
+use dom::element::HTMLTextAreaElementTypeId;
 use dom::event::Event;
 use dom::htmlanchorelement::HTMLAnchorElement;
 use dom::htmlbodyelement::HTMLBodyElement;
@@ -49,6 +51,7 @@ use dom::htmloptgroupelement::HTMLOptGroupElement;
 use dom::htmloptionelement::HTMLOptionElement;
 use dom::htmlselectelement::HTMLSelectElement;
 use dom::htmlstyleelement::HTMLStyleElement;
+use dom::htmltextareaelement::HTMLTextAreaElement;
 use dom::node::{Node, NodeHelpers, ElementNodeTypeId};
 use servo_util::str::DOMString;
 
@@ -181,6 +184,10 @@ pub fn vtable_for<'a>(node: &'a JSRef<Node>) -> &'a VirtualMethods {
             let element: &JSRef<HTMLStyleElement> = HTMLStyleElementCast::to_ref(node).unwrap();
             element as &VirtualMethods
         }
+        ElementNodeTypeId(HTMLTextAreaElementTypeId) => {
+            let element: &JSRef<HTMLTextAreaElement> = HTMLTextAreaElementCast::to_ref(node).unwrap();
+            element as &VirtualMethods
+        }
         ElementNodeTypeId(ElementTypeId) => {
             let element: &JSRef<Element> = ElementCast::to_ref(node).unwrap();
             element as &VirtualMethods

src/components/script/dom/webidls/HTMLTextAreaElement.webidl

@@ -9,7 +9,7 @@ interface HTMLTextAreaElement : HTMLElement {
   //         attribute boolean autofocus;
   //         attribute unsigned long cols;
   //         attribute DOMString dirName;
-  //         attribute boolean disabled;
+           attribute boolean disabled;
   //readonly attribute HTMLFormElement? form;
   //         attribute DOMString inputMode;
   //         attribute long maxLength;