gecko-dev/dom/base/ScreenLuminance.h

60 строки
1.5 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim:set ts=2 sw=2 et tw=78: */
/* 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_ScreenLuminance_h
#define mozilla_dom_ScreenLuminance_h
#include "nsCycleCollectionParticipant.h"
#include "nsISupportsImpl.h"
#include "nsWrapperCache.h"
class nsScreen;
namespace mozilla {
namespace dom {
class ScreenLuminance final : public nsWrapperCache
{
public:
// Ref counting and cycle collection
NS_INLINE_DECL_CYCLE_COLLECTING_NATIVE_REFCOUNTING(ScreenLuminance)
NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_NATIVE_CLASS(ScreenLuminance)
// WebIDL methods
double Min() const { return mMin; }
double Max() const { return mMax; }
double MaxAverage() const { return mMaxAverage; }
// End WebIDL methods
ScreenLuminance(nsScreen* aScreen,
double aMin,
double aMax,
double aMaxAverage)
: mScreen(aScreen)
, mMin(aMin)
, mMax(aMax)
, mMaxAverage(aMaxAverage)
{
}
nsScreen* GetParentObject() const { return mScreen; }
JSObject* WrapObject(JSContext* aCx,
JS::Handle<JSObject*> aGivenProto) override;
private:
virtual ~ScreenLuminance() {}
RefPtr<nsScreen> mScreen;
double mMin;
double mMax;
double mMaxAverage;
};
} // namespace dom
} // namespace mozilla
#endif // mozilla_dom_ScreenLuminance_h