dom/base/ScreenLuminance.h

   1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim:set ts=2 sw=2 et tw=78: */
   3 /* This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this file,
   5  * You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #ifndef mozilla_dom_ScreenLuminance_h
   8 #define mozilla_dom_ScreenLuminance_h
   9
  10 #include "nsCycleCollectionParticipant.h"
  11 #include "nsISupportsImpl.h"
  12 #include "nsWrapperCache.h"
  13
  14 class nsScreen;
  15
  16 namespace mozilla::dom {
  17
  18 class ScreenLuminance final : public nsWrapperCache {
  19  public:
  20   // Ref counting and cycle collection
  21   NS_INLINE_DECL_CYCLE_COLLECTING_NATIVE_REFCOUNTING(ScreenLuminance)
  22   NS_DECL_CYCLE_COLLECTION_NATIVE_WRAPPERCACHE_CLASS(ScreenLuminance)
  23
  24   // WebIDL methods
  25   double Min() const { return mMin; }
  26   double Max() const { return mMax; }
  27   double MaxAverage() const { return mMaxAverage; }
  28   // End WebIDL methods
  29
  30   ScreenLuminance(nsScreen* aScreen, double aMin, double aMax,
  31                   double aMaxAverage)
  32       : mScreen(aScreen), mMin(aMin), mMax(aMax), mMaxAverage(aMaxAverage) {}
  33
  34   nsScreen* GetParentObject() const { return mScreen; }
  35   JSObject* WrapObject(JSContext* aCx,
  36                        JS::Handle<JSObject*> aGivenProto) override;
  37
  38  private:
  39   virtual ~ScreenLuminance() = default;
  40
  41   RefPtr<nsScreen> mScreen;
  42   double mMin;
  43   double mMax;
  44   double mMaxAverage;
  45 };
  46
  47 }  // namespace mozilla::dom
  48
  49 #endif  // mozilla_dom_ScreenLuminance_h