/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ /* 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 __nsLookAndFeel #define __nsLookAndFeel #include "nsXPLookAndFeel.h" #include "nsIWindowsRegKey.h" /* * Gesture System Metrics */ #ifndef SM_DIGITIZER #define SM_DIGITIZER 94 #define TABLET_CONFIG_NONE 0x00000000 #define NID_INTEGRATED_TOUCH 0x00000001 #define NID_EXTERNAL_TOUCH 0x00000002 #define NID_INTEGRATED_PEN 0x00000004 #define NID_EXTERNAL_PEN 0x00000008 #define NID_MULTI_INPUT 0x00000040 #define NID_READY 0x00000080 #endif /* * Tablet mode detection */ #ifndef SM_SYSTEMDOCKED #define SM_CONVERTIBLESLATEMODE 0x00002003 #define SM_SYSTEMDOCKED 0x00002004 #endif class nsLookAndFeel: public nsXPLookAndFeel { static OperatingSystemVersion GetOperatingSystemVersion(); public: nsLookAndFeel(); virtual ~nsLookAndFeel(); virtual nsresult NativeGetColor(ColorID aID, nscolor &aResult); virtual nsresult GetIntImpl(IntID aID, int32_t &aResult); virtual nsresult GetFloatImpl(FloatID aID, float &aResult); virtual bool GetFontImpl(FontID aID, nsString& aFontName, gfxFontStyle& aFontStyle, float aDevPixPerCSSPixel); virtual char16_t GetPasswordCharacterImpl(); virtual nsTArray<LookAndFeelInt> GetIntCacheImpl(); virtual void SetIntCacheImpl(const nsTArray<LookAndFeelInt>& aLookAndFeelIntCache); private: /** * Fetches the Windows accent color from the Windows settings if * the accent color is set to apply to the title bar, otherwise * returns an error code. */ nsresult GetAccentColor(nscolor& aColor); /** * Determines whether the Windows accent color is considered dark * with a threshhold value and formula that are specified in the * UWP guidelines. * See: https://docs.microsoft.com/en-us/windows/uwp/style/color */ bool AccentColorIsDark(nscolor aColor); /** * If the Windows accent color from the Windows settings is set * to apply to the title bar, this computes the color that should * be used for text that is to be written over a background that has * the accent color. Otherwise, (if the accent color should not * apply to the title bar) this returns an error code. */ nsresult GetAccentColorText(nscolor& aColor); int32_t mUseAccessibilityTheme; nsCOMPtr<nsIWindowsRegKey> mDwmKey; }; #endif