michael@0: 
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_MessageChannel_h
michael@0: #define mozilla_dom_MessageChannel_h
michael@0: 
michael@0: #include "mozilla/Attributes.h"
michael@0: #include "mozilla/ErrorResult.h"
michael@0: #include "mozilla/dom/BindingDeclarations.h"
michael@0: #include "nsCycleCollectionParticipant.h"
michael@0: #include "nsWrapperCache.h"
michael@0: #include "nsCOMPtr.h"
michael@0: 
michael@0: class nsPIDOMWindow;
michael@0: 
michael@0: namespace mozilla {
michael@0: namespace dom {
michael@0: 
michael@0: class MessagePort;
michael@0: 
michael@0: class MessageChannel MOZ_FINAL : public nsISupports
michael@0:                                , public nsWrapperCache
michael@0: {
michael@0: public:
michael@0:   NS_DECL_CYCLE_COLLECTING_ISUPPORTS
michael@0:   NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(MessageChannel)
michael@0: 
michael@0:   static bool PrefEnabled();
michael@0: 
michael@0: public:
michael@0:   MessageChannel(nsPIDOMWindow* aWindow);
michael@0: 
michael@0:   ~MessageChannel();
michael@0: 
michael@0:   nsPIDOMWindow*
michael@0:   GetParentObject() const
michael@0:   {
michael@0:     return mWindow;
michael@0:   }
michael@0: 
michael@0:   virtual JSObject*
michael@0:   WrapObject(JSContext* aCx) MOZ_OVERRIDE;
michael@0: 
michael@0:   static already_AddRefed<MessageChannel>
michael@0:   Constructor(const GlobalObject& aGlobal, ErrorResult& aRv);
michael@0: 
michael@0:   MessagePort*
michael@0:   Port1() const
michael@0:   {
michael@0:     return mPort1;
michael@0:   }
michael@0: 
michael@0:   MessagePort*
michael@0:   Port2() const
michael@0:   {
michael@0:     return mPort2;
michael@0:   }
michael@0: 
michael@0: private:
michael@0:   nsCOMPtr<nsPIDOMWindow> mWindow;
michael@0: 
michael@0:   nsRefPtr<MessagePort> mPort1;
michael@0:   nsRefPtr<MessagePort> mPort2;
michael@0: };
michael@0: 
michael@0: } // namespace dom
michael@0: } // namespace mozilla
michael@0: 
michael@0: #endif // mozilla_dom_MessageChannel_h