michael@0: /* -*- Mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 40 -*- */
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_workers_sharedworker_h__
michael@0: #define mozilla_dom_workers_sharedworker_h__
michael@0: 
michael@0: #include "Workers.h"
michael@0: 
michael@0: #include "mozilla/dom/BindingDeclarations.h"
michael@0: #include "mozilla/dom/workers/bindings/MessagePort.h"
michael@0: #include "mozilla/DOMEventTargetHelper.h"
michael@0: 
michael@0: class nsIDOMEvent;
michael@0: class nsPIDOMWindow;
michael@0: 
michael@0: namespace mozilla {
michael@0: class EventChainPreVisitor;
michael@0: } // namespace mozilla
michael@0: 
michael@0: BEGIN_WORKERS_NAMESPACE
michael@0: 
michael@0: class MessagePort;
michael@0: class RuntimeService;
michael@0: class WorkerPrivate;
michael@0: 
michael@0: class SharedWorker MOZ_FINAL : public DOMEventTargetHelper
michael@0: {
michael@0:   friend class MessagePort;
michael@0:   friend class RuntimeService;
michael@0: 
michael@0:   typedef mozilla::ErrorResult ErrorResult;
michael@0:   typedef mozilla::dom::GlobalObject GlobalObject;
michael@0: 
michael@0:   nsRefPtr<WorkerPrivate> mWorkerPrivate;
michael@0:   nsRefPtr<MessagePort> mMessagePort;
michael@0:   nsTArray<nsCOMPtr<nsIDOMEvent>> mSuspendedEvents;
michael@0:   uint64_t mSerial;
michael@0:   bool mSuspended;
michael@0: 
michael@0: public:
michael@0:   static already_AddRefed<SharedWorker>
michael@0:   Constructor(const GlobalObject& aGlobal, JSContext* aCx,
michael@0:               const nsAString& aScriptURL, const Optional<nsAString>& aName,
michael@0:               ErrorResult& aRv);
michael@0: 
michael@0:   already_AddRefed<MessagePort>
michael@0:   Port();
michael@0: 
michael@0:   uint64_t
michael@0:   Serial() const
michael@0:   {
michael@0:     return mSerial;
michael@0:   }
michael@0: 
michael@0:   bool
michael@0:   IsSuspended() const
michael@0:   {
michael@0:     return mSuspended;
michael@0:   }
michael@0: 
michael@0:   void
michael@0:   Suspend();
michael@0: 
michael@0:   void
michael@0:   Resume();
michael@0: 
michael@0:   void
michael@0:   QueueEvent(nsIDOMEvent* aEvent);
michael@0: 
michael@0:   void
michael@0:   Close();
michael@0: 
michael@0:   NS_DECL_ISUPPORTS_INHERITED
michael@0:   NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(SharedWorker, DOMEventTargetHelper)
michael@0: 
michael@0:   IMPL_EVENT_HANDLER(error)
michael@0: 
michael@0:   virtual JSObject*
michael@0:   WrapObject(JSContext* aCx) MOZ_OVERRIDE;
michael@0: 
michael@0:   virtual nsresult
michael@0:   PreHandleEvent(EventChainPreVisitor& aVisitor) MOZ_OVERRIDE;
michael@0: 
michael@0:   WorkerPrivate*
michael@0:   GetWorkerPrivate() const
michael@0:   {
michael@0:     return mWorkerPrivate;
michael@0:   }
michael@0: 
michael@0: private:
michael@0:   // This class can only be created from the RuntimeService.
michael@0:   SharedWorker(nsPIDOMWindow* aWindow,
michael@0:                WorkerPrivate* aWorkerPrivate);
michael@0: 
michael@0:   // This class is reference-counted and will be destroyed from Release().
michael@0:   ~SharedWorker();
michael@0: 
michael@0:   // Only called by MessagePort.
michael@0:   void
michael@0:   PostMessage(JSContext* aCx, JS::Handle<JS::Value> aMessage,
michael@0:               const Optional<Sequence<JS::Value>>& aTransferable,
michael@0:               ErrorResult& aRv);
michael@0: 
michael@0:   // Only called by RuntimeService.
michael@0:   void
michael@0:   NoteDeadWorker(JSContext* aCx);
michael@0: };
michael@0: 
michael@0: END_WORKERS_NAMESPACE
michael@0: 
michael@0: #endif // mozilla_dom_workers_sharedworker_h__