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/* -*- Mode: C++; tab-width: 4; 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 __nsXPLookAndFeel
#define __nsXPLookAndFeel
#include "mozilla/LookAndFeel.h"
#include "nsTArray.h"
class nsLookAndFeel;
struct nsLookAndFeelIntPref
{
const char* name;
mozilla::LookAndFeel::IntID id;
bool isSet;
int32_t intVar;
};
struct nsLookAndFeelFloatPref
{
const char* name;
mozilla::LookAndFeel::FloatID id;
bool isSet;
float floatVar;
};
#define CACHE_BLOCK(x) ((x) >> 5)
#define CACHE_BIT(x) (1 << ((x) & 31))
#define COLOR_CACHE_SIZE (CACHE_BLOCK(LookAndFeel::eColorID_LAST_COLOR) + 1)
#define IS_COLOR_CACHED(x) (CACHE_BIT(x) & nsXPLookAndFeel::sCachedColorBits[CACHE_BLOCK(x)])
#define CLEAR_COLOR_CACHE(x) nsXPLookAndFeel::sCachedColors[(x)] =0; \
nsXPLookAndFeel::sCachedColorBits[CACHE_BLOCK(x)] &= ~(CACHE_BIT(x));
#define CACHE_COLOR(x, y) nsXPLookAndFeel::sCachedColors[(x)] = y; \
nsXPLookAndFeel::sCachedColorBits[CACHE_BLOCK(x)] |= CACHE_BIT(x);
class nsXPLookAndFeel: public mozilla::LookAndFeel
{
public:
virtual ~nsXPLookAndFeel();
static nsLookAndFeel* GetInstance();
static void Shutdown();
void Init();
//
// All these routines will return NS_OK if they have a value,
// in which case the nsLookAndFeel should use that value;
// otherwise we'll return NS_ERROR_NOT_AVAILABLE, in which case, the
// platform-specific nsLookAndFeel should use its own values instead.
//
nsresult GetColorImpl(ColorID aID, bool aUseStandinsForNativeColors,
nscolor &aResult);
virtual nsresult GetIntImpl(IntID aID, int32_t &aResult);
virtual nsresult GetFloatImpl(FloatID aID, float &aResult);
// This one is different: there are no override prefs (fixme?), so
// there is no XP implementation, only per-system impls.
virtual bool GetFontImpl(FontID aID, nsString& aName,
gfxFontStyle& aStyle,
float aDevPixPerCSSPixel) = 0;
virtual void RefreshImpl();
virtual char16_t GetPasswordCharacterImpl()
{
return char16_t('*');
}
virtual bool GetEchoPasswordImpl()
{
return false;
}
virtual uint32_t GetPasswordMaskDelayImpl()
{
return 600;
}
virtual nsTArray<LookAndFeelInt> GetIntCacheImpl();
virtual void SetIntCacheImpl(const nsTArray<LookAndFeelInt>& aLookAndFeelIntCache) {}
protected:
nsXPLookAndFeel();
static void IntPrefChanged(nsLookAndFeelIntPref *data);
static void FloatPrefChanged(nsLookAndFeelFloatPref *data);
static void ColorPrefChanged(unsigned int index, const char *prefName);
void InitFromPref(nsLookAndFeelIntPref* aPref);
void InitFromPref(nsLookAndFeelFloatPref* aPref);
void InitColorFromPref(int32_t aIndex);
virtual nsresult NativeGetColor(ColorID aID, nscolor &aResult) = 0;
bool IsSpecialColor(ColorID aID, nscolor &aColor);
bool ColorIsNotCSSAccessible(ColorID aID);
nscolor GetStandinForNativeColor(ColorID aID);
static void OnPrefChanged(const char* aPref, void* aClosure);
static bool sInitialized;
static nsLookAndFeelIntPref sIntPrefs[];
static nsLookAndFeelFloatPref sFloatPrefs[];
/* this length must not be shorter than the length of the longest string in the array
* see nsXPLookAndFeel.cpp
*/
static const char sColorPrefs[][38];
static int32_t sCachedColors[LookAndFeel::eColorID_LAST_COLOR];
static int32_t sCachedColorBits[COLOR_CACHE_SIZE];
static bool sUseNativeColors;
static bool sUseStandinsForNativeColors;
static bool sFindbarModalHighlight;
static nsLookAndFeel* sInstance;
static bool sShutdown;
};
#endif
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