gecko-dev/widget/ScreenProxy.h

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/* -*- Mode: C++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 2; -*- */
/* vim: set sw=4 ts=8 et tw=80 : */
/* 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_widget_ScreenProxy_h
#define mozilla_widget_ScreenProxy_h
#include "nsBaseScreen.h"
#include "mozilla/dom/PScreenManagerChild.h"
#include "mozilla/dom/TabChild.h"
class nsScreenManagerProxy;
namespace mozilla {
namespace widget {
class ScreenProxy : public nsBaseScreen
{
public:
ScreenProxy(nsScreenManagerProxy* aScreenManager,
mozilla::dom::ScreenDetails aDetails);
~ScreenProxy() {};
NS_IMETHOD GetId(uint32_t* aId) MOZ_OVERRIDE;
NS_IMETHOD GetRect(int32_t* aLeft,
int32_t* aTop,
int32_t* aWidth,
int32_t* aHeight) MOZ_OVERRIDE;
NS_IMETHOD GetRectDisplayPix(int32_t* aLeft,
int32_t* aTop,
int32_t* aWidth,
int32_t* aHeight) MOZ_OVERRIDE;
NS_IMETHOD GetAvailRect(int32_t* aLeft,
int32_t* aTop,
int32_t* aWidth,
int32_t* aHeight) MOZ_OVERRIDE;
NS_IMETHOD GetAvailRectDisplayPix(int32_t* aLeft,
int32_t* aTop,
int32_t* aWidth,
int32_t* aHeight) MOZ_OVERRIDE;
NS_IMETHOD GetPixelDepth(int32_t* aPixelDepth) MOZ_OVERRIDE;
NS_IMETHOD GetColorDepth(int32_t* aColorDepth) MOZ_OVERRIDE;
private:
void PopulateByDetails(mozilla::dom::ScreenDetails aDetails);
bool EnsureCacheIsValid();
void InvalidateCacheOnNextTick();
void InvalidateCache();
double mContentsScaleFactor;
nsRefPtr<nsScreenManagerProxy> mScreenManager;
uint32_t mId;
int32_t mPixelDepth;
int32_t mColorDepth;
nsIntRect mRect;
nsIntRect mRectDisplayPix;
nsIntRect mAvailRect;
nsIntRect mAvailRectDisplayPix;
bool mCacheValid;
bool mCacheWillInvalidate;
};
} // namespace widget
} // namespace mozilla
#endif