Initial steps for CSSOM API

components/script/dom/document.rs

@@ -69,6 +69,7 @@ use dom::nodelist::NodeList;
 use dom::processinginstruction::ProcessingInstruction;
 use dom::range::Range;
 use dom::servohtmlparser::{ParserRoot, ParserRef, MutNullableParserField};
+use dom::stylesheetlist::StyleSheetList;
 use dom::text::Text;
 use dom::touch::Touch;
 use dom::touchevent::TouchEvent;
@@ -1750,6 +1751,11 @@ impl Element {
 }
 
 impl DocumentMethods for Document {
+    // https://drafts.csswg.org/cssom/#dom-document-stylesheets
+    fn StyleSheets(&self) -> Root<StyleSheetList> {
+        StyleSheetList::new(&self.window, JS::from_ref(&self))
+    }
+
     // https://dom.spec.whatwg.org/#dom-document-implementation
     fn Implementation(&self) -> Root<DOMImplementation> {
         self.implementation.or_init(|| DOMImplementation::new(self))

components/script/dom/mod.rs

@@ -359,6 +359,8 @@ pub mod servohtmlparser;
 pub mod servoxmlparser;
 pub mod storage;
 pub mod storageevent;
+pub mod stylesheet;
+pub mod stylesheetlist;
 pub mod testbinding;
 pub mod testbindingproxy;
 pub mod text;

components/script/dom/stylesheet.rs

@@ -0,0 +1,60 @@
+/* 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/. */
+
+use dom::bindings::codegen::Bindings::StyleSheetBinding;
+use dom::bindings::codegen::Bindings::StyleSheetBinding::StyleSheetMethods;
+use dom::bindings::global::GlobalRef;
+use dom::bindings::js::{Root};
+use dom::bindings::reflector::{Reflector, reflect_dom_object};
+use dom::window::Window;
+use util::str::DOMString;
+
+
+#[dom_struct]
+pub struct StyleSheet {
+    reflector_: Reflector,
+    type_: DOMString,
+    href: Option<DOMString>,
+    title: Option<DOMString>,
+}
+
+impl StyleSheet {
+    #[allow(unrooted_must_root)]
+    fn new_inherited(type_: DOMString, href: Option<DOMString>, title: Option<DOMString>) -> StyleSheet {
+        StyleSheet {
+            reflector_: Reflector::new(),
+            type_: type_,
+            href: href,
+            title: title
+        }
+    }
+
+    #[allow(unrooted_must_root)]
+    pub fn new(window: &Window, type_: DOMString,
+               href: Option<DOMString>,
+               title: Option<DOMString>) -> Root<StyleSheet> {
+        reflect_dom_object(box StyleSheet::new_inherited(type_, href, title),
+                           GlobalRef::Window(window),
+                           StyleSheetBinding::Wrap)
+    }
+}
+
+
+impl StyleSheetMethods for StyleSheet {
+    // https://drafts.csswg.org/cssom/#dom-stylesheet-type
+    fn Type_(&self) -> DOMString {
+        self.type_.clone()
+    }
+
+    // https://drafts.csswg.org/cssom/#dom-stylesheet-href
+    fn GetHref(&self) -> Option<DOMString> {
+        self.href.clone()
+    }
+
+    // https://drafts.csswg.org/cssom/#dom-stylesheet-title
+    fn GetTitle(&self) -> Option<DOMString> {
+        self.title.clone()
+    }
+}
+

components/script/dom/stylesheetlist.rs

@@ -0,0 +1,54 @@
+/* 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/. */
+
+use dom::bindings::codegen::Bindings::StyleSheetListBinding;
+use dom::bindings::codegen::Bindings::StyleSheetListBinding::StyleSheetListMethods;
+use dom::bindings::global::GlobalRef;
+use dom::bindings::js::{JS, Root};
+use dom::bindings::reflector::{Reflector, reflect_dom_object};
+use dom::document::Document;
+use dom::stylesheet::StyleSheet;
+use dom::window::Window;
+
+#[dom_struct]
+pub struct StyleSheetList {
+    reflector_: Reflector,
+    document: JS<Document>,
+}
+
+impl StyleSheetList {
+    #[allow(unrooted_must_root)]
+    fn new_inherited(doc: JS<Document>) -> StyleSheetList {
+        StyleSheetList {
+            reflector_: Reflector::new(),
+            document: doc
+        }
+    }
+
+    #[allow(unrooted_must_root)]
+    pub fn new(window: &Window, document: JS<Document>) -> Root<StyleSheetList> {
+        reflect_dom_object(box StyleSheetList::new_inherited(document),
+                           GlobalRef::Window(window), StyleSheetListBinding::Wrap)
+    }
+}
+
+impl StyleSheetListMethods for StyleSheetList {
+    // https://drafts.csswg.org/cssom/#dom-stylesheetlist-length
+    fn Length(&self) -> u32 {
+       self.document.stylesheets().len() as u32
+    }
+
+    // https://drafts.csswg.org/cssom/#dom-stylesheetlist-item
+    fn Item(&self, index: u32) -> Option<Root<StyleSheet>> {
+        None
+        //TODO Create a new StyleSheet object and return it
+    }
+
+    // check-tidy: no specs after this line
+    fn IndexedGetter(&self, index: u32, found: &mut bool) -> Option<Root<StyleSheet>>{
+        let item = self.Item(index);
+        *found = item.is_some();
+        item
+    }
+}

components/script/dom/webidls/Document.webidl

@@ -185,3 +185,8 @@ partial interface Document {
 partial interface Document {
   Element? elementFromPoint(double x, double y);
 };
+
+// https://drafts.csswg.org/cssom/#extensions-to-the-document-interface
+partial interface Document {
+  [SameObject] readonly attribute StyleSheetList styleSheets;
+};

components/script/dom/webidls/StyleSheet.webidl

@@ -0,0 +1,17 @@
+/* -*- 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/. */
+
+// https://drafts.csswg.org/cssom/#the-stylesheet-interface
+interface StyleSheet {
+  readonly attribute DOMString type_;
+  readonly attribute DOMString? href;
+
+  // readonly attribute (Element or ProcessingInstruction)? ownerNode;
+  // readonly attribute StyleSheet? parentStyleSheet;
+  readonly attribute DOMString? title;
+
+  // [SameObject, PutForwards=mediaText] readonly attribute MediaList media;
+  // attribute boolean disabled;
+};

components/script/dom/webidls/StyleSheetList.webidl

@@ -0,0 +1,11 @@
+/* -*- 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/. */
+
+// https://drafts.csswg.org/cssom/#the-stylesheetlist-interface
+// [ArrayClass]
+interface StyleSheetList {
+  getter StyleSheet? item(unsigned long index);
+  readonly attribute unsigned long length;
+};