Cargoify servo

1 files changed, 97 insertions, 0 deletions

diff --git a/components/script/dom/htmlstyleelement.rs b/components/script/dom/htmlstyleelement.rs
new file mode 100644
index 00000000000..d32219ea8f9
--- /dev/null
+++ b/components/script/dom/htmlstyleelement.rs
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+/* 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::HTMLStyleElementBinding;
+use dom::bindings::codegen::Bindings::NodeBinding::NodeMethods;
+use dom::bindings::codegen::InheritTypes::{HTMLElementCast, HTMLStyleElementDerived, NodeCast};
+use dom::bindings::js::{JSRef, Temporary};
+use dom::bindings::utils::{Reflectable, Reflector};
+use dom::document::Document;
+use dom::element::HTMLStyleElementTypeId;
+use dom::eventtarget::{EventTarget, NodeTargetTypeId};
+use dom::htmlelement::HTMLElement;
+use dom::node::{Node, NodeHelpers, ElementNodeTypeId, window_from_node};
+use dom::virtualmethods::VirtualMethods;
+use html::cssparse::parse_inline_css;
+use layout_interface::{AddStylesheetMsg, LayoutChan};
+use servo_util::str::DOMString;
+
+#[deriving(Encodable)]
+pub struct HTMLStyleElement {
+    pub htmlelement: HTMLElement,
+}
+
+impl HTMLStyleElementDerived for EventTarget {
+    fn is_htmlstyleelement(&self) -> bool {
+        self.type_id == NodeTargetTypeId(ElementNodeTypeId(HTMLStyleElementTypeId))
+    }
+}
+
+impl HTMLStyleElement {
+    pub fn new_inherited(localName: DOMString, document: &JSRef<Document>) -> HTMLStyleElement {
+        HTMLStyleElement {
+            htmlelement: HTMLElement::new_inherited(HTMLStyleElementTypeId, localName, document)
+        }
+    }
+
+    pub fn new(localName: DOMString, document: &JSRef<Document>) -> Temporary<HTMLStyleElement> {
+        let element = HTMLStyleElement::new_inherited(localName, document);
+        Node::reflect_node(box element, document, HTMLStyleElementBinding::Wrap)
+    }
+}
+
+pub trait StyleElementHelpers {
+    fn parse_own_css(&self);
+}
+
+impl<'a> StyleElementHelpers for JSRef<'a, HTMLStyleElement> {
+    fn parse_own_css(&self) {
+        let node: &JSRef<Node> = NodeCast::from_ref(self);
+        assert!(node.is_in_doc());
+
+        let win = window_from_node(node).root();
+        let url = win.deref().page().get_url();
+
+        let data = node.GetTextContent().expect("Element.textContent must be a string");
+        let sheet = parse_inline_css(url, data);
+        let LayoutChan(ref layout_chan) = *win.deref().page().layout_chan;
+        layout_chan.send(AddStylesheetMsg(sheet));
+    }
+}
+
+impl<'a> VirtualMethods for JSRef<'a, HTMLStyleElement> {
+    fn super_type<'a>(&'a self) -> Option<&'a VirtualMethods> {
+        let htmlelement: &JSRef<HTMLElement> = HTMLElementCast::from_ref(self);
+        Some(htmlelement as &VirtualMethods)
+    }
+
+    fn child_inserted(&self, child: &JSRef<Node>) {
+        match self.super_type() {
+            Some(ref s) => s.child_inserted(child),
+            _ => (),
+        }
+
+        let node: &JSRef<Node> = NodeCast::from_ref(self);
+        if node.is_in_doc() {
+            self.parse_own_css();
+        }
+    }
+
+    fn bind_to_tree(&self, tree_in_doc: bool) {
+        match self.super_type() {
+            Some(ref s) => s.bind_to_tree(tree_in_doc),
+            _ => ()
+        }
+
+        if tree_in_doc {
+            self.parse_own_css();
+        }
+    }
+}
+
+impl Reflectable for HTMLStyleElement {
+    fn reflector<'a>(&'a self) -> &'a Reflector {
+        self.htmlelement.reflector()
+    }
+}