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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 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 */
#ifndef mozilla_widget_Screen_h
#define mozilla_widget_Screen_h
#include "nsIScreen.h"
#include "Units.h"
#include "mozilla/HalScreenConfiguration.h" // For hal::ScreenOrientation
namespace mozilla {
namespace dom {
class ScreenDetails;
} // namespace dom
namespace widget {
class Screen final : public nsIScreen {
using OrientationAngle = uint16_t;
enum class IsPseudoDisplay : bool { No, Yes };
enum class IsHDR : bool { No, Yes };
Screen(LayoutDeviceIntRect aRect, LayoutDeviceIntRect aAvailRect,
uint32_t aPixelDepth, uint32_t aColorDepth, uint32_t aRefreshRate,
DesktopToLayoutDeviceScale aContentsScale,
CSSToLayoutDeviceScale aDefaultCssScale, float aDpi, IsPseudoDisplay,
IsHDR, hal::ScreenOrientation = hal::ScreenOrientation::None,
OrientationAngle = 0);
explicit Screen(const dom::ScreenDetails& aScreenDetails);
Screen(const Screen& aOther);
dom::ScreenDetails ToScreenDetails() const;
OrientationAngle GetOrientationAngle() const { return mOrientationAngle; }
hal::ScreenOrientation GetOrientationType() const {
return mScreenOrientation;
* Return default orientation type that angle is 0.
* This returns LandscapePrimary or PortraitPrimary.
hal::ScreenOrientation GetDefaultOrientationType() const;
float GetDPI() const { return mDPI; }
const LayoutDeviceIntRect& GetRect() const { return mRect; }
const LayoutDeviceIntRect& GetAvailRect() const { return mAvailRect; }
const DesktopToLayoutDeviceScale& GetContentsScaleFactor() const {
return mContentsScale;
enum class IncludeOSZoom : bool { No, Yes };
CSSToLayoutDeviceScale GetCSSToLayoutDeviceScale(IncludeOSZoom) const;
bool GetIsHDR() const { return mIsHDR; }
virtual ~Screen() = default;
const LayoutDeviceIntRect mRect;
const LayoutDeviceIntRect mAvailRect;
const DesktopIntRect mRectDisplayPix;
const DesktopIntRect mAvailRectDisplayPix;
const uint32_t mPixelDepth;
const uint32_t mColorDepth;
const uint32_t mRefreshRate;
const DesktopToLayoutDeviceScale mContentsScale;
const CSSToLayoutDeviceScale mDefaultCssScale;
const float mDPI;
const hal::ScreenOrientation mScreenOrientation;
const OrientationAngle mOrientationAngle;
const bool mIsPseudoDisplay;
const bool mIsHDR;
} // namespace widget
} // namespace mozilla