From c5a5db6324c3ef1c1d25b2a87edcebcd408a4c8b Mon Sep 17 00:00:00 2001
From: yodalee <lc85301@gmail.com>
Date: Tue, 6 Jan 2015 01:50:37 +0800
Subject: [PATCH] add button type into HTMLButtonElement

---
 components/script/dom/htmlbuttonelement.rs | 17 +++++++++++++++--
 1 file changed, 15 insertions(+), 2 deletions(-)

diff --git a/components/script/dom/htmlbuttonelement.rs b/components/script/dom/htmlbuttonelement.rs
index 04c827056b7..c84d964e13f 100644
--- a/components/script/dom/htmlbuttonelement.rs
+++ b/components/script/dom/htmlbuttonelement.rs
@@ -21,11 +21,23 @@ use dom::virtualmethods::VirtualMethods;
 use std::ascii::OwnedAsciiExt;
 use std::borrow::ToOwned;
 use util::str::DOMString;
+use std::cell::Cell;
 use string_cache::Atom;
 
+#[jstraceable]
+#[derive(PartialEq, Copy)]
+#[allow(dead_code)]
+enum ButtonType {
+    ButtonSubmit,
+    ButtonReset,
+    ButtonButton,
+    ButtonMenu
+}
+
 #[dom_struct]
 pub struct HTMLButtonElement {
-    htmlelement: HTMLElement
+    htmlelement: HTMLElement,
+    button_type: Cell<ButtonType>
 }
 
 impl HTMLButtonElementDerived for EventTarget {
@@ -37,7 +49,8 @@ impl HTMLButtonElementDerived for EventTarget {
 impl HTMLButtonElement {
     fn new_inherited(localName: DOMString, prefix: Option<DOMString>, document: JSRef<Document>) -> HTMLButtonElement {
         HTMLButtonElement {
-            htmlelement: HTMLElement::new_inherited(HTMLElementTypeId::HTMLButtonElement, localName, prefix, document)
+            htmlelement: HTMLElement::new_inherited(HTMLElementTypeId::HTMLButtonElement, localName, prefix, document),
+            button_type: Cell::new(ButtonType::ButtonSubmit)
         }
     }