gecko-dev/dom/presentation/PresentationAvailability.h

55 строки
1.5 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim:set ts=2 sw=2 sts=2 et cindent: */
/* 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_PresentationAvailability_h
#define mozilla_dom_PresentationAvailability_h
#include "mozilla/DOMEventTargetHelper.h"
#include "nsIPresentationListener.h"
namespace mozilla {
namespace dom {
class PresentationAvailability final : public DOMEventTargetHelper
, public nsIPresentationAvailabilityListener
{
public:
NS_DECL_ISUPPORTS_INHERITED
NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(PresentationAvailability,
DOMEventTargetHelper)
NS_DECL_NSIPRESENTATIONAVAILABILITYLISTENER
static already_AddRefed<PresentationAvailability> Create(nsPIDOMWindow* aWindow);
virtual void DisconnectFromOwner() override;
virtual JSObject* WrapObject(JSContext* aCx,
JS::Handle<JSObject*> aGivenProto) override;
// WebIDL (public APIs)
bool Value() const;
IMPL_EVENT_HANDLER(change);
private:
explicit PresentationAvailability(nsPIDOMWindow* aWindow);
~PresentationAvailability();
bool Init();
void Shutdown();
void UpdateAvailabilityAndDispatchEvent(bool aIsAvailable);
bool mIsAvailable;
};
} // namespace dom
} // namespace mozilla
#endif // mozilla_dom_PresentationAvailability_h