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-rw-r--r--dom/base/ScreenLuminance.h49
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diff --git a/dom/base/ScreenLuminance.h b/dom/base/ScreenLuminance.h
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+/* -*- 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::dom {
+
+class ScreenLuminance final : public nsWrapperCache {
+ public:
+ // Ref counting and cycle collection
+ NS_INLINE_DECL_CYCLE_COLLECTING_NATIVE_REFCOUNTING(ScreenLuminance)
+ NS_DECL_CYCLE_COLLECTION_NATIVE_WRAPPERCACHE_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() = default;
+
+ RefPtr<nsScreen> mScreen;
+ double mMin;
+ double mMax;
+ double mMaxAverage;
+};
+
+} // namespace mozilla::dom
+
+#endif // mozilla_dom_ScreenLuminance_h