Implement a basic WebSocket interface.

components/script/dom/websocket.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::WebSocketBinding;
+use dom::bindings::codegen::Bindings::WebSocketBinding::WebSocketMethods;
+use dom::bindings::error::Fallible;
+use dom::bindings::global::GlobalRef;
+use dom::bindings::js::{Temporary, JSRef};
+use dom::bindings::utils::{Reflectable, Reflector, reflect_dom_object};
+use dom::eventtarget::{EventTarget, WebSocketTypeId};
+use servo_util::str::DOMString;
+
+#[dom_struct]
+pub struct WebSocket {
+    eventtarget: EventTarget,
+    url: DOMString
+}
+
+impl WebSocket {
+    pub fn new_inherited(url: DOMString) -> WebSocket {
+        WebSocket {
+            eventtarget: EventTarget::new_inherited(WebSocketTypeId),
+            url: url
+        }
+    }
+
+    pub fn new(global: &GlobalRef, url: DOMString) -> Temporary<WebSocket> {
+        reflect_dom_object(box WebSocket::new_inherited(url),
+                           global,
+                           WebSocketBinding::Wrap)
+    }
+
+    pub fn Constructor(global: &GlobalRef, url: DOMString) -> Fallible<Temporary<WebSocket>> {
+        Ok(WebSocket::new(global, url))
+    }
+}
+
+impl Reflectable for WebSocket {
+    fn reflector<'a>(&'a self) -> &'a Reflector {
+        self.eventtarget.reflector()
+    }
+}
+
+impl<'a> WebSocketMethods for JSRef<'a, WebSocket> {
+    fn Url(self) -> DOMString {
+        self.url.clone()
+    }
+}