Generate code for handling callbacks. Implement add/removeEventListener and hacky dispatchEvent proof-of-concept.

src/components/script/dom/window.rs

@@ -6,6 +6,7 @@ use dom::bindings::codegen::WindowBinding;
 use dom::bindings::utils::{Reflectable, Reflector};
 use dom::bindings::utils::{DOMString, null_str_as_empty, Traceable};
 use dom::document::AbstractDocument;
+use dom::eventtarget::EventTarget;
 use dom::node::{AbstractNode, ScriptView};
 use dom::navigator::Navigator;
 
@@ -37,10 +38,10 @@ pub enum TimerControlMsg {
 }
 
 pub struct Window {
+    eventtarget: EventTarget,
     page: @mut Page,
     script_chan: ScriptChan,
     compositor: @ScriptListener,
-    reflector_: Reflector,
     timer_chan: SharedChan<TimerControlMsg>,
     navigator: Option<@mut Navigator>,
     image_cache_task: ImageCacheTask,
@@ -140,11 +141,11 @@ impl Window {
 
 impl Reflectable for Window {
     fn reflector<'a>(&'a self) -> &'a Reflector {
-        &self.reflector_
+        self.eventtarget.reflector()
     }
 
     fn mut_reflector<'a>(&'a mut self) -> &'a mut Reflector {
-        &mut self.reflector_
+        self.eventtarget.mut_reflector()
     }
 
     fn wrap_object_shared(@mut self, cx: *JSContext, scope: *JSObject) -> *JSObject {
@@ -204,10 +205,10 @@ impl Window {
                image_cache_task: ImageCacheTask)
                -> @mut Window {
         let win = @mut Window {
+            eventtarget: EventTarget::new(),
             page: page,
             script_chan: script_chan.clone(),
             compositor: compositor,
-            reflector_: Reflector::new(),
             timer_chan: {
                 let (timer_port, timer_chan) = comm::stream::<TimerControlMsg>();
                 let id = page.id.clone();