1 files changed, 95 insertions, 0 deletions
diff --git a/components/script/dom/uievent.rs b/components/script/dom/uievent.rs
new file mode 100644
index 00000000000..c91f0fdb787
--- /dev/null
+++ b/components/script/dom/uievent.rs
@@ -0,0 +1,95 @@
+/* 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::EventBinding::EventMethods;
+use dom::bindings::codegen::Bindings::UIEventBinding;
+use dom::bindings::codegen::Bindings::UIEventBinding::UIEventMethods;
+use dom::bindings::codegen::InheritTypes::{EventCast, UIEventDerived};
+use dom::bindings::error::Fallible;
+use dom::bindings::global::{GlobalRef, Window};
+use dom::bindings::js::{JS, JSRef, RootedReference, Temporary, OptionalSettable};
+use dom::bindings::trace::Traceable;
+use dom::bindings::utils::{Reflectable, Reflector, reflect_dom_object};
+use dom::event::{Event, EventTypeId, UIEventTypeId};
+use dom::window::Window;
+use servo_util::str::DOMString;
+
+use std::cell::Cell;
+
+#[deriving(Encodable)]
+pub struct UIEvent {
+    pub event: Event,
+    view: Cell<Option<JS<Window>>>,
+    detail: Traceable<Cell<i32>>
+}
+
+impl UIEventDerived for Event {
+    fn is_uievent(&self) -> bool {
+        self.type_id == UIEventTypeId
+    }
+}
+
+impl UIEvent {
+    pub fn new_inherited(type_id: EventTypeId) -> UIEvent {
+        UIEvent {
+            event: Event::new_inherited(type_id),
+            view: Cell::new(None),
+            detail: Traceable::new(Cell::new(0)),
+        }
+    }
+
+    pub fn new_uninitialized(window: &JSRef<Window>) -> Temporary<UIEvent> {
+        reflect_dom_object(box UIEvent::new_inherited(UIEventTypeId),
+                           &Window(*window),
+                           UIEventBinding::Wrap)
+    }
+
+    pub fn new(window: &JSRef<Window>,
+               type_: DOMString,
+               can_bubble: bool,
+               cancelable: bool,
+               view: Option<JSRef<Window>>,
+               detail: i32) -> Temporary<UIEvent> {
+        let ev = UIEvent::new_uninitialized(window).root();
+        ev.deref().InitUIEvent(type_, can_bubble, cancelable, view, detail);
+        Temporary::from_rooted(&*ev)
+    }
+
+    pub fn Constructor(global: &GlobalRef,
+                       type_: DOMString,
+                       init: &UIEventBinding::UIEventInit) -> Fallible<Temporary<UIEvent>> {
+        let event = UIEvent::new(global.as_window(), type_,
+                                 init.parent.bubbles, init.parent.cancelable,
+                                 init.view.root_ref(), init.detail);
+        Ok(event)
+    }
+}
+
+impl<'a> UIEventMethods for JSRef<'a, UIEvent> {
+    fn GetView(&self) -> Option<Temporary<Window>> {
+        self.view.get().map(|view| Temporary::new(view))
+    }
+
+    fn Detail(&self) -> i32 {
+        self.detail.deref().get()
+    }
+
+    fn InitUIEvent(&self,
+                   type_: DOMString,
+                   can_bubble: bool,
+                   cancelable: bool,
+                   view: Option<JSRef<Window>>,
+                   detail: i32) {
+        let event: &JSRef<Event> = EventCast::from_ref(self);
+        event.InitEvent(type_, can_bubble, cancelable);
+        self.view.assign(view);
+        self.detail.deref().set(detail);
+    }
+}
+
+impl Reflectable for UIEvent {
+    fn reflector<'a>(&'a self) -> &'a Reflector {
+        self.event.reflector()
+    }
+}