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/* -*- 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
#if WINVER < 0x0601
typedef enum _AR_STATE
{
AR_ENABLED = 0x0,
AR_DISABLED = 0x1,
AR_SUPPRESSED = 0x2,
AR_REMOTESESSION = 0x4,
AR_MULTIMON = 0x8,
AR_NOSENSOR = 0x10,
AR_NOT_SUPPORTED = 0x20,
AR_DOCKED = 0x40,
AR_LAPTOP = 0x80
} AR_STATE, *PAR_STATE;
#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
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