#pragma once
#include "CSSInheritedValue.h"
#include "CSSInitialValue.h"
#include "CSSPrimitiveValue.h"
#include "CSSPropertyNames.h"
#include "CSSRevertValue.h"
#include "CSSUnsetValue.h"
#include "CSSValueKeywords.h"
#include "ColorHash.h"
#include <utility>
#include <wtf/HashMap.h>
#include <wtf/NeverDestroyed.h>
#include <wtf/RefPtr.h>
#include <wtf/text/AtomStringHash.h>
namespace WebCore {
class CSSValueList;
class CSSValuePool;
enum class FromSystemFontID { No, Yes };
class StaticCSSValuePool {
friend class CSSValuePool;
friend class LazyNeverDestroyed<StaticCSSValuePool>;
public:
static void init();
private:
StaticCSSValuePool();
LazyNeverDestroyed<CSSInheritedValue> m_inheritedValue;
LazyNeverDestroyed<CSSInitialValue> m_implicitInitialValue;
LazyNeverDestroyed<CSSInitialValue> m_explicitInitialValue;
LazyNeverDestroyed<CSSUnsetValue> m_unsetValue;
LazyNeverDestroyed<CSSRevertValue> m_revertValue;
LazyNeverDestroyed<CSSPrimitiveValue> m_transparentColor;
LazyNeverDestroyed<CSSPrimitiveValue> m_whiteColor;
LazyNeverDestroyed<CSSPrimitiveValue> m_blackColor;
static constexpr int maximumCacheableIntegerValue = 255;
LazyNeverDestroyed<CSSPrimitiveValue> m_pixelValues[maximumCacheableIntegerValue + 1];
LazyNeverDestroyed<CSSPrimitiveValue> m_percentValues[maximumCacheableIntegerValue + 1];
LazyNeverDestroyed<CSSPrimitiveValue> m_numberValues[maximumCacheableIntegerValue + 1];
LazyNeverDestroyed<CSSPrimitiveValue> m_identifierValues[numCSSValueKeywords];
};
WEBCORE_EXPORT extern LazyNeverDestroyed<StaticCSSValuePool> staticCSSValuePool;
class CSSValuePool {
WTF_MAKE_FAST_ALLOCATED;
public:
CSSValuePool();
static CSSValuePool& singleton();
RefPtr<CSSValueList> createFontFaceValue(const AtomString&);
Ref<CSSPrimitiveValue> createFontFamilyValue(const String&, FromSystemFontID = FromSystemFontID::No);
Ref<CSSInheritedValue> createInheritedValue() { return staticCSSValuePool->m_inheritedValue.get(); }
Ref<CSSInitialValue> createImplicitInitialValue() { return staticCSSValuePool->m_implicitInitialValue.get(); }
Ref<CSSInitialValue> createExplicitInitialValue() { return staticCSSValuePool->m_explicitInitialValue.get(); }
Ref<CSSUnsetValue> createUnsetValue() { return staticCSSValuePool->m_unsetValue.get(); }
Ref<CSSRevertValue> createRevertValue() { return staticCSSValuePool->m_revertValue.get(); }
Ref<CSSPrimitiveValue> createIdentifierValue(CSSValueID identifier);
Ref<CSSPrimitiveValue> createIdentifierValue(CSSPropertyID identifier);
Ref<CSSPrimitiveValue> createColorValue(const Color&);
Ref<CSSPrimitiveValue> createValue(double value, CSSUnitType);
Ref<CSSPrimitiveValue> createValue(const String& value, CSSUnitType type) { return CSSPrimitiveValue::create(value, type); }
Ref<CSSPrimitiveValue> createValue(const Length& value, const RenderStyle& style) { return CSSPrimitiveValue::create(value, style); }
Ref<CSSPrimitiveValue> createValue(const LengthSize& value, const RenderStyle& style) { return CSSPrimitiveValue::create(value, style); }
template<typename T> static Ref<CSSPrimitiveValue> createValue(T&& value) { return CSSPrimitiveValue::create(std::forward<T>(value)); }
void drain();
private:
typedef HashMap<Color, RefPtr<CSSPrimitiveValue>> ColorValueCache;
ColorValueCache m_colorValueCache;
typedef HashMap<AtomString, RefPtr<CSSValueList>> FontFaceValueCache;
FontFaceValueCache m_fontFaceValueCache;
typedef HashMap<std::pair<String, bool>, RefPtr<CSSPrimitiveValue>> FontFamilyValueCache;
FontFamilyValueCache m_fontFamilyValueCache;
friend class NeverDestroyed<CSSValuePool>;
};
}