/* -*- 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