gecko-dev/dom/messagechannel/MessageChannel.h

72 lines
1.6 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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 nsPIDOMWindowInner;
namespace mozilla {
namespace dom {
class MessagePort;
class MessageChannel final : public nsISupports
, public nsWrapperCache
{
public:
NS_DECL_CYCLE_COLLECTING_ISUPPORTS
NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(MessageChannel)
nsPIDOMWindowInner*
GetParentObject() const
{
return mWindow;
}
virtual JSObject*
WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
static already_AddRefed<MessageChannel>
Constructor(const GlobalObject& aGlobal, ErrorResult& aRv);
static already_AddRefed<MessageChannel>
Constructor(nsPIDOMWindowInner* aWindow, ErrorResult& aRv);
MessagePort*
Port1() const
{
return mPort1;
}
MessagePort*
Port2() const
{
return mPort2;
}
private:
explicit MessageChannel(nsPIDOMWindowInner* aWindow);
~MessageChannel();
nsCOMPtr<nsPIDOMWindowInner> mWindow;
RefPtr<MessagePort> mPort1;
RefPtr<MessagePort> mPort2;
};
} // namespace dom
} // namespace mozilla
#endif // mozilla_dom_MessageChannel_h