gecko-dev/dom/presentation/Presentation.h

52 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_Presentation_h
#define mozilla_dom_Presentation_h
#include "mozilla/DOMEventTargetHelper.h"
namespace mozilla {
namespace dom {
class Promise;
class PresentationSession;
class Presentation final : public DOMEventTargetHelper
{
public:
NS_DECL_ISUPPORTS_INHERITED
NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(Presentation,
DOMEventTargetHelper)
static already_AddRefed<Presentation> Create(nsPIDOMWindow* aWindow);
virtual JSObject*
WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
// WebIDL (public APIs)
already_AddRefed<Promise> StartSession(const nsAString& aUrl,
const Optional<nsAString>& aId,
ErrorResult& aRv);
already_AddRefed<PresentationSession> GetSession() const;
bool CachedAvailable() const;
IMPL_EVENT_HANDLER(availablechange);
private:
explicit Presentation(nsPIDOMWindow* aWindow);
~Presentation();
bool Init();
void Shutdown();
bool mAvailable;
nsRefPtr<PresentationSession> mSession;
};
} // namespace dom
} // namespace mozilla
#endif // mozilla_dom_Presentation_h