michael@0: /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #ifndef mozilla_dom_MessageEvent_h_
michael@0: #define mozilla_dom_MessageEvent_h_
michael@0: 
michael@0: #include "mozilla/dom/Event.h"
michael@0: #include "nsCycleCollectionParticipant.h"
michael@0: #include "nsIDOMMessageEvent.h"
michael@0: #include "mozilla/dom/MessagePortList.h"
michael@0: 
michael@0: namespace mozilla {
michael@0: namespace dom {
michael@0: 
michael@0: class MessageEventInit;
michael@0: class MessagePort;
michael@0: class MessagePortBase;
michael@0: class MessagePortList;
michael@0: class OwningWindowProxyOrMessagePort;
michael@0: 
michael@0: /**
michael@0:  * Implements the MessageEvent event, used for cross-document messaging and
michael@0:  * server-sent events.
michael@0:  *
michael@0:  * See http://www.whatwg.org/specs/web-apps/current-work/#messageevent for
michael@0:  * further details.
michael@0:  */
michael@0: class MessageEvent : public Event,
michael@0:                      public nsIDOMMessageEvent
michael@0: {
michael@0: public:
michael@0:   MessageEvent(EventTarget* aOwner,
michael@0:                nsPresContext* aPresContext,
michael@0:                WidgetEvent* aEvent);
michael@0:   ~MessageEvent();
michael@0: 
michael@0:   NS_DECL_ISUPPORTS_INHERITED
michael@0:   NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS_INHERITED(MessageEvent, Event)
michael@0: 
michael@0:   NS_DECL_NSIDOMMESSAGEEVENT
michael@0: 
michael@0:   // Forward to base class
michael@0:   NS_FORWARD_TO_EVENT
michael@0: 
michael@0:   virtual JSObject* WrapObject(JSContext* aCx) MOZ_OVERRIDE;
michael@0: 
michael@0:   void GetData(JSContext* aCx, JS::MutableHandle<JS::Value> aData,
michael@0:                ErrorResult& aRv);
michael@0: 
michael@0:   void GetSource(Nullable<OwningWindowProxyOrMessagePort>& aValue) const;
michael@0: 
michael@0:   MessagePortList* GetPorts()
michael@0:   {
michael@0:     return mPorts;
michael@0:   }
michael@0: 
michael@0:   void SetPorts(MessagePortList* aPorts);
michael@0: 
michael@0:   // Non WebIDL methods
michael@0:   void SetSource(mozilla::dom::MessagePort* aPort)
michael@0:   {
michael@0:     mPortSource = aPort;
michael@0:   }
michael@0: 
michael@0:   void SetSource(nsPIDOMWindow* aWindow)
michael@0:   {
michael@0:     mWindowSource = aWindow;
michael@0:   }
michael@0: 
michael@0:   static already_AddRefed<MessageEvent>
michael@0:   Constructor(const GlobalObject& aGlobal, JSContext* aCx,
michael@0:               const nsAString& aType,
michael@0:               const MessageEventInit& aEventInit,
michael@0:               ErrorResult& aRv);
michael@0: 
michael@0: private:
michael@0:   JS::Heap<JS::Value> mData;
michael@0:   nsString mOrigin;
michael@0:   nsString mLastEventId;
michael@0:   nsCOMPtr<nsIDOMWindow> mWindowSource;
michael@0:   nsRefPtr<MessagePortBase> mPortSource;
michael@0:   nsRefPtr<MessagePortList> mPorts;
michael@0: };
michael@0: 
michael@0: } // namespace dom
michael@0: } // namespace mozilla
michael@0: 
michael@0: #endif // mozilla_dom_MessageEvent_h_