gecko-dev/dom/base/MessageChannel.h

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1.5 KiB
C
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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef mozilla_dom_MessageChannel_h
#define mozilla_dom_MessageChannel_h
#include "mozilla/Attributes.h"
#include "mozilla/ErrorResult.h"
#include "mozilla/dom/BindingDeclarations.h"
#include "nsCycleCollectionParticipant.h"
#include "nsWrapperCache.h"
#include "nsCOMPtr.h"
class nsPIDOMWindow;
namespace mozilla {
namespace dom {
class MessagePort;
class MessageChannel MOZ_FINAL : public nsISupports
, public nsWrapperCache
{
public:
NS_DECL_CYCLE_COLLECTING_ISUPPORTS
NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(MessageChannel)
static bool PrefEnabled();
public:
MessageChannel(nsPIDOMWindow* aWindow);
~MessageChannel();
nsPIDOMWindow*
GetParentObject() const
{
return mWindow;
}
virtual JSObject*
WrapObject(JSContext* aCx, JS::Handle<JSObject*> aScope) MOZ_OVERRIDE;
static already_AddRefed<MessageChannel>
Constructor(const GlobalObject& aGlobal, ErrorResult& aRv);
MessagePort*
Port1() const
{
return mPort1;
}
MessagePort*
Port2() const
{
return mPort2;
}
private:
nsCOMPtr<nsPIDOMWindow> mWindow;
nsRefPtr<MessagePort> mPort1;
nsRefPtr<MessagePort> mPort2;
};
} // namespace dom
} // namespace mozilla
#endif // mozilla_dom_MessageChannel_h