gecko-dev/dom/cellbroadcast/CellBroadcast.h

65 строки
1.8 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_CellBroadcast_h__
#define mozilla_dom_CellBroadcast_h__
#include "mozilla/Attributes.h"
#include "mozilla/DOMEventTargetHelper.h"
#include "mozilla/ErrorResult.h"
#include "nsICellBroadcastService.h"
#include "js/TypeDecls.h"
class nsPIDOMWindow;
namespace mozilla {
namespace dom {
class CellBroadcast final : public DOMEventTargetHelper,
private nsICellBroadcastListener
{
/**
* Class CellBroadcast doesn't actually expose nsICellBroadcastListener.
* Instead, it owns an nsICellBroadcastListener derived instance mListener
* and passes it to nsICellBroadcastService. The onreceived events are first
* delivered to mListener and then forwarded to its owner, CellBroadcast. See
* also bug 775997 comment #51.
*/
class Listener;
// final suppresses -Werror,-Wdelete-non-virtual-dtor
~CellBroadcast();
public:
NS_DECL_ISUPPORTS_INHERITED
NS_DECL_NSICELLBROADCASTLISTENER
NS_REALLY_FORWARD_NSIDOMEVENTTARGET(DOMEventTargetHelper)
static already_AddRefed<CellBroadcast>
Create(nsPIDOMWindow* aOwner, ErrorResult& aRv);
CellBroadcast() = delete;
CellBroadcast(nsPIDOMWindow *aWindow,
nsICellBroadcastService* aService);
nsPIDOMWindow*
GetParentObject() const { return GetOwner(); }
virtual JSObject*
WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
IMPL_EVENT_HANDLER(received)
private:
RefPtr<Listener> mListener;
};
} // namespace dom
} // namespace mozilla
#endif /* mozilla_dom_CellBroadcast_h__ */