dom/base/ScreenLuminance.h
author Dave Townsend <dtownsend@oxymoronical.com>
Sun, 13 Jan 2019 17:44:29 -0800
changeset 453676 edca8877b0505cd1c31beaf6d907ca32e022aa52
parent 448947 6f3709b3878117466168c40affa7bca0b60cf75b
permissions -rw-r--r--
Backing out Bug 1518799 (changeset eace4709948c) because the target page is not yet available. a=backout

/* -*- 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