35 lines
1.0 KiB
C++
35 lines
1.0 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_dom_WindowOrientationObserver_h
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#define mozilla_dom_WindowOrientationObserver_h
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#include "mozilla/HalScreenConfiguration.h"
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class nsGlobalWindow;
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namespace mozilla {
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namespace dom {
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class WindowOrientationObserver final :
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public mozilla::hal::ScreenConfigurationObserver
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{
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public:
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explicit WindowOrientationObserver(nsGlobalWindow* aGlobalWindow);
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~WindowOrientationObserver();
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void Notify(const mozilla::hal::ScreenConfiguration& aConfiguration) override;
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static int16_t OrientationAngle();
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private:
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// Weak pointer, instance is owned by mWindow.
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nsGlobalWindow* MOZ_NON_OWNING_REF mWindow;
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uint16_t mAngle;
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};
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} // namespace dom
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} // namespace mozilla
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#endif // mozilla_dom_WindowOrientationObserver_h
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