gecko-dev/widget/android/ScreenHelperAndroid.h

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/* -*- Mode: C++; tab-width: 40; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* vim: ts=4 sw=2 expandtab:
* 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 ScreenHelperAndroid_h___
#define ScreenHelperAndroid_h___
#include "mozilla/widget/ScreenManager.h"
#include "nsDataHashtable.h"
namespace mozilla {
namespace widget {
class ScreenHelperAndroid final : public ScreenManager::Helper {
public:
class ScreenHelperSupport;
ScreenHelperAndroid();
~ScreenHelperAndroid();
static ScreenHelperAndroid* GetSingleton();
void Refresh();
void AddScreen(uint32_t aScreenId, DisplayType aDisplayType,
LayoutDeviceIntRect aRect = LayoutDeviceIntRect(),
float aDensity = 1.0f);
void RemoveScreen(uint32_t aId);
already_AddRefed<Screen> ScreenForId(uint32_t aScreenId);
private:
nsDataHashtable<nsUint32HashKey, RefPtr<Screen>> mScreens;
};
} // namespace widget
} // namespace mozilla
#endif /* ScreenHelperAndroid_h___ */