1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/dom/workers/MessagePort.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,111 @@
1.4 +/* -*- Mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 40 -*- */
1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this file,
1.7 + * You can obtain one at http://mozilla.org/MPL/2.0/. */
1.8 +
1.9 +#ifndef mozilla_dom_workers_messageport_h_
1.10 +#define mozilla_dom_workers_messageport_h_
1.11 +
1.12 +#include "Workers.h"
1.13 +
1.14 +#include "mozilla/DOMEventTargetHelper.h"
1.15 +#include "mozilla/dom/BindingDeclarations.h"
1.16 +#include "mozilla/dom/MessagePort.h"
1.17 +
1.18 +class nsIDOMEvent;
1.19 +class nsPIDOMWindow;
1.20 +
1.21 +namespace mozilla {
1.22 +class EventChainPreVisitor;
1.23 +} // namespace mozilla
1.24 +
1.25 +BEGIN_WORKERS_NAMESPACE
1.26 +
1.27 +class SharedWorker;
1.28 +class WorkerPrivate;
1.29 +
1.30 +class MessagePort MOZ_FINAL : public mozilla::dom::MessagePortBase
1.31 +{
1.32 + friend class SharedWorker;
1.33 + friend class WorkerPrivate;
1.34 +
1.35 + typedef mozilla::ErrorResult ErrorResult;
1.36 +
1.37 + nsRefPtr<SharedWorker> mSharedWorker;
1.38 + WorkerPrivate* mWorkerPrivate;
1.39 + nsTArray<nsCOMPtr<nsIDOMEvent>> mQueuedEvents;
1.40 + uint64_t mSerial;
1.41 + bool mStarted;
1.42 +
1.43 +public:
1.44 + static bool
1.45 + PrefEnabled();
1.46 +
1.47 + virtual void
1.48 + PostMessageMoz(JSContext* aCx, JS::Handle<JS::Value> aMessage,
1.49 + const Optional<Sequence<JS::Value>>& aTransferable,
1.50 + ErrorResult& aRv) MOZ_OVERRIDE;
1.51 +
1.52 + virtual void
1.53 + Start() MOZ_OVERRIDE;
1.54 +
1.55 + virtual void
1.56 + Close() MOZ_OVERRIDE;
1.57 +
1.58 + uint64_t
1.59 + Serial() const
1.60 + {
1.61 + return mSerial;
1.62 + }
1.63 +
1.64 + void
1.65 + QueueEvent(nsIDOMEvent* aEvent);
1.66 +
1.67 + NS_DECL_ISUPPORTS_INHERITED
1.68 + NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(MessagePort, DOMEventTargetHelper)
1.69 +
1.70 + virtual EventHandlerNonNull*
1.71 + GetOnmessage() MOZ_OVERRIDE;
1.72 +
1.73 + virtual void
1.74 + SetOnmessage(EventHandlerNonNull* aCallback) MOZ_OVERRIDE;
1.75 +
1.76 + virtual already_AddRefed<MessagePortBase>
1.77 + Clone() MOZ_OVERRIDE;
1.78 +
1.79 + bool
1.80 + IsClosed() const
1.81 + {
1.82 + return !mSharedWorker && !mWorkerPrivate;
1.83 + }
1.84 +
1.85 + virtual JSObject*
1.86 + WrapObject(JSContext* aCx) MOZ_OVERRIDE;
1.87 +
1.88 + virtual nsresult
1.89 + PreHandleEvent(EventChainPreVisitor& aVisitor) MOZ_OVERRIDE;
1.90 +
1.91 +#ifdef DEBUG
1.92 + void
1.93 + AssertCorrectThread() const;
1.94 +#else
1.95 + void
1.96 + AssertCorrectThread() const { }
1.97 +#endif
1.98 +
1.99 +private:
1.100 + // This class can only be created by SharedWorker or WorkerPrivate.
1.101 + MessagePort(nsPIDOMWindow* aWindow, SharedWorker* aSharedWorker,
1.102 + uint64_t aSerial);
1.103 + MessagePort(WorkerPrivate* aWorkerPrivate, uint64_t aSerial);
1.104 +
1.105 + // This class is reference-counted and will be destroyed from Release().
1.106 + ~MessagePort();
1.107 +
1.108 + void
1.109 + CloseInternal();
1.110 +};
1.111 +
1.112 +END_WORKERS_NAMESPACE
1.113 +
1.114 +#endif // mozilla_dom_workers_messageport_h_
