Implement MessageEvent::dispatch.

This avoids duplicating the dispatching code for multiple postMessage
implementations.

1 files changed, 15 insertions, 0 deletions

diff --git a/src/components/script/dom/messageevent.rs b/src/components/script/dom/messageevent.rs
index a9d536fad06..05eca45fd71 100644
--- a/src/components/script/dom/messageevent.rs
+++ b/src/components/script/dom/messageevent.rs
@@ -4,12 +4,14 @@
 
 use dom::bindings::codegen::Bindings::MessageEventBinding;
 use dom::bindings::codegen::InheritTypes::{EventCast, MessageEventDerived};
+use dom::bindings::conversions::ToJSValConvertible;
 use dom::bindings::error::Fallible;
 use dom::bindings::global::GlobalRef;
 use dom::bindings::js::{JSRef, Temporary};
 use dom::bindings::trace::Traceable;
 use dom::bindings::utils::{Reflectable, Reflector, reflect_dom_object};
 use dom::event::{Event, EventMethods, MessageEventTypeId};
+use dom::eventtarget::{EventTarget, EventTargetHelpers};
 
 use servo_util::str::DOMString;
 
@@ -63,6 +65,19 @@ impl MessageEvent {
     }
 }
 
+impl MessageEvent {
+    pub fn dispatch(target: &JSRef<EventTarget>,
+                    scope: &GlobalRef,
+                    message: DOMString) {
+        let messageevent = MessageEvent::new(
+            scope, "message".to_string(), false, false,
+            message.to_jsval(scope.get_cx()),
+            "".to_string(), "".to_string()).root();
+        let event: &JSRef<Event> = EventCast::from_ref(&*messageevent);
+        target.dispatch_event_with_target(None, &*event).unwrap();
+    }
+}
+
 pub trait MessageEventMethods {
     fn Data(&self, cx: *mut JSContext) -> JSVal;
     fn Origin(&self) -> DOMString;