auto merge of #2192 : evilpie/servo/children, r=Ms2ger

Fixes #2186

src/components/script/dom/bindings/codegen/Bindings.conf

@@ -32,6 +32,7 @@ DOMInterfaces = {
         'anchors',
         'applets',
         'body',
+        'children',
         'createComment',
         'createDocumentFragment',
         'createElement',
@@ -58,6 +59,7 @@ DOMInterfaces = {
 'Element': {
     'needsAbstract': [
         'attributes',
+        'children',
         'className',
         'getAttribute',
         'getAttributeNS',
@@ -137,7 +139,7 @@ def addHTMLElement(element, concrete=None, needsAbstract=[]):
   }
 
 addHTMLElement('Comment')
-addHTMLElement('DocumentFragment', concrete='DocumentFragment')
+addHTMLElement('DocumentFragment', concrete='DocumentFragment', needsAbstract=['children'])
 addHTMLElement('DocumentType')
 addHTMLElement('Text')
 addHTMLElement('ProcessingInstruction')

src/components/script/dom/document.rs

@@ -603,6 +603,12 @@ impl Document {
         self.window.get_mut().Location(&abstract_self.get().window)
     }
 
+    pub fn Children(&self, abstract_self: &JS<Document>) -> JS<HTMLCollection> {
+        let doc = self.node.owner_doc();
+        let doc = doc.get();
+        HTMLCollection::children(&doc.window, &NodeCast::from(abstract_self))
+    }
+
     pub fn createNodeList(&self, callback: |node: &JS<Node>| -> bool) -> JS<NodeList> {
         let mut nodes: ~[JS<Node>] = ~[];
         match self.GetDocumentElement() {

src/components/script/dom/documentfragment.rs

@@ -2,12 +2,13 @@
  * 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::bindings::codegen::InheritTypes::DocumentFragmentDerived;
+use dom::bindings::codegen::InheritTypes::{DocumentFragmentDerived, NodeCast};
 use dom::bindings::codegen::DocumentFragmentBinding;
 use dom::bindings::js::JS;
 use dom::bindings::error::Fallible;
 use dom::document::Document;
 use dom::eventtarget::{EventTarget, NodeTargetTypeId};
+use dom::htmlcollection::HTMLCollection;
 use dom::node::{DocumentFragmentNodeTypeId, Node};
 use dom::window::Window;
 
@@ -44,3 +45,11 @@ impl DocumentFragment {
         Ok(DocumentFragment::new(&owner.get().Document()))
     }
 }
+
+impl DocumentFragment {
+    pub fn Children(&self, abstract_self: &JS<DocumentFragment>) -> JS<HTMLCollection> {
+        let doc = self.node.owner_doc();
+        let doc = doc.get();
+        HTMLCollection::children(&doc.window, &NodeCast::from(abstract_self))
+    }
+}

src/components/script/dom/element.rs

@@ -640,6 +640,12 @@ impl Element {
     pub fn GetOuterHTML(&self, abstract_self: &JS<Element>) -> Fallible<DOMString> {
         Ok(serialize(&mut NodeIterator::new(NodeCast::from(abstract_self), true, false)))
     }
+
+    pub fn Children(&self, abstract_self: &JS<Element>) -> JS<HTMLCollection> {
+        let doc = self.node.owner_doc();
+        let doc = doc.get();
+        HTMLCollection::children(&doc.window, &NodeCast::from(abstract_self))
+    }
 }
 
 pub fn get_attribute_parts(name: DOMString) -> (Option<~str>, ~str) {

src/components/script/dom/htmlcollection.rs

@@ -2,7 +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::bindings::codegen::InheritTypes::{ElementCast};
+use dom::bindings::codegen::InheritTypes::{ElementCast, NodeCast};
 use dom::bindings::codegen::HTMLCollectionBinding;
 use dom::bindings::js::JS;
 use dom::bindings::utils::{Reflectable, Reflector, reflect_dom_object};
@@ -104,6 +104,16 @@ impl HTMLCollection {
         };
         HTMLCollection::create(window, root, ~filter)
     }
+
+    pub fn children(window: &JS<Window>, root: &JS<Node>) -> JS<HTMLCollection> {
+        struct ElementChildFilter;
+        impl CollectionFilter for ElementChildFilter {
+            fn filter(&self, elem: &JS<Element>, root: &JS<Node>) -> bool {
+                root.is_parent_of(&NodeCast::from(elem))
+            }
+        }
+        HTMLCollection::create(window, root, ~ElementChildFilter)
+    }
 }
 
 impl HTMLCollection {

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

@@ -66,3 +66,5 @@ partial interface Document {
   readonly attribute HTMLCollection anchors;
   readonly attribute HTMLCollection applets;
 };
+
+Document implements ParentNode;

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

@@ -7,3 +7,5 @@
 [Constructor]
 interface DocumentFragment : Node {
 };
+
+DocumentFragment implements ParentNode;

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

@@ -65,5 +65,5 @@ partial interface Element {
   readonly attribute DOMString outerHTML;
 };
 
-/*Element implements ChildNode;
+//Element implements ChildNode;
-Element implements ParentNode;*/
+Element implements ParentNode;

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

@@ -0,0 +1,25 @@
+/* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * 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/.
+ *
+ * The origin of this IDL file is
+ * http://dom.spec.whatwg.org/#interface-parentnode
+ */
+
+[NoInterfaceObject]
+interface ParentNode {
+  [Constant]
+  readonly attribute HTMLCollection children;
+  /*
+  [Pure]
+  readonly attribute Element? firstElementChild;
+  [Pure]
+  readonly attribute Element? lastElementChild;
+  [Pure]
+  readonly attribute unsigned long childElementCount;
+  */
+  // Not implemented yet
+  // void prepend((Node or DOMString)... nodes);
+  // void append((Node or DOMString)... nodes);
+};