Implement the Image NamedConstructor for HTMLImageElement

2 files changed, 18 insertions, 1 deletions

diff --git a/components/script/dom/htmlimageelement.rs b/components/script/dom/htmlimageelement.rs
index 2ea5442bff6..6580e4f42a5 100644
--- a/components/script/dom/htmlimageelement.rs
+++ b/components/script/dom/htmlimageelement.rs
@@ -7,8 +7,10 @@ use dom::attr::{AttrHelpers, AttrValue};
 use dom::bindings::cell::DOMRefCell;
 use dom::bindings::codegen::Bindings::HTMLImageElementBinding;
 use dom::bindings::codegen::Bindings::HTMLImageElementBinding::HTMLImageElementMethods;
+use dom::bindings::codegen::Bindings::WindowBinding::WindowMethods;
 use dom::bindings::codegen::InheritTypes::{NodeCast, ElementCast, EventTargetCast, HTMLElementCast,
                                            HTMLImageElementDerived};
+use dom::bindings::error::Fallible;
 use dom::bindings::global::GlobalRef;
 use dom::bindings::js::{LayoutJS, Root};
 use dom::bindings::refcounted::Trusted;
@@ -151,6 +153,21 @@ impl HTMLImageElement {
         let element = HTMLImageElement::new_inherited(localName, prefix, document);
         Node::reflect_node(box element, document, HTMLImageElementBinding::Wrap)
     }
+
+    pub fn Image(global: GlobalRef,
+                 width: Option<u32>,
+                 height: Option<u32>) -> Fallible<Root<HTMLImageElement>> {
+        let document = global.as_window().Document();
+        let image = HTMLImageElement::new("img".to_owned(), None, document.r());
+        if let Some(w) = width {
+            image.SetWidth(w);
+        }
+        if let Some(h) = height {
+            image.SetHeight(h);
+        }
+
+        Ok(image)
+    }
 }
 
 pub trait LayoutHTMLImageElementHelpers {
diff --git a/components/script/dom/webidls/HTMLImageElement.webidl b/components/script/dom/webidls/HTMLImageElement.webidl
index 71b49229393..defbfb68257 100644
--- a/components/script/dom/webidls/HTMLImageElement.webidl
+++ b/components/script/dom/webidls/HTMLImageElement.webidl
@@ -4,7 +4,7 @@
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
 // https://www.whatwg.org/html/#htmlimageelement
-//[NamedConstructor=Image(optional unsigned long width, optional unsigned long height)]
+[NamedConstructor=Image(optional unsigned long width, optional unsigned long height)]
 interface HTMLImageElement : HTMLElement {
            attribute DOMString alt;
            attribute DOMString src;