widget/Screen.h

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
   3 /* This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #ifndef mozilla_widget_Screen_h
   8 #define mozilla_widget_Screen_h
   9
  10 #include "nsIScreen.h"
  11
  12 #include "Units.h"
  13 #include "mozilla/HalScreenConfiguration.h"  // For hal::ScreenOrientation
  14
  15 namespace mozilla {
  16 namespace dom {
  17 class ScreenDetails;
  18 }  // namespace dom
  19
  20 namespace widget {
  21
  22 class Screen final : public nsIScreen {
  23  public:
  24   NS_DECL_ISUPPORTS
  25   NS_DECL_NSISCREEN
  26
  27   using OrientationAngle = uint16_t;
  28   enum class IsPseudoDisplay : bool { No, Yes };
  29
  30   Screen(LayoutDeviceIntRect aRect, LayoutDeviceIntRect aAvailRect,
  31          uint32_t aPixelDepth, uint32_t aColorDepth, uint32_t aRefreshRate,
  32          DesktopToLayoutDeviceScale aContentsScale,
  33          CSSToLayoutDeviceScale aDefaultCssScale, float aDpi, IsPseudoDisplay,
  34          hal::ScreenOrientation = hal::ScreenOrientation::None,
  35          OrientationAngle = 0);
  36   explicit Screen(const dom::ScreenDetails& aScreenDetails);
  37   Screen(const Screen& aOther);
  38
  39   dom::ScreenDetails ToScreenDetails() const;
  40
  41   OrientationAngle GetOrientationAngle() const { return mOrientationAngle; }
  42   hal::ScreenOrientation GetOrientationType() const {
  43     return mScreenOrientation;
  44   }
  45
  46   float GetDPI() const { return mDPI; }
  47
  48   const LayoutDeviceIntRect& GetRect() const { return mRect; }
  49   const LayoutDeviceIntRect& GetAvailRect() const { return mAvailRect; }
  50   const DesktopToLayoutDeviceScale& GetContentsScaleFactor() const {
  51     return mContentsScale;
  52   }
  53   const CSSToLayoutDeviceScale& GetDefaultCSSScaleFactor() const {
  54     return mDefaultCssScale;
  55   }
  56
  57  private:
  58   virtual ~Screen() = default;
  59
  60   const LayoutDeviceIntRect mRect;
  61   const LayoutDeviceIntRect mAvailRect;
  62   const DesktopIntRect mRectDisplayPix;
  63   const DesktopIntRect mAvailRectDisplayPix;
  64   const uint32_t mPixelDepth;
  65   const uint32_t mColorDepth;
  66   const uint32_t mRefreshRate;
  67   const DesktopToLayoutDeviceScale mContentsScale;
  68   const CSSToLayoutDeviceScale mDefaultCssScale;
  69   const float mDPI;
  70   const hal::ScreenOrientation mScreenOrientation;
  71   const OrientationAngle mOrientationAngle;
  72   const bool mIsPseudoDisplay;
  73 };
  74
  75 }  // namespace widget
  76 }  // namespace mozilla
  77
  78 #endif