From 1bf1084f2b10c3b47fd1a588d85d21ed0eb41d0c Mon Sep 17 00:00:00 2001
From: Lorry Tar Creator <lorry-tar-importer@lorry>
Date: Tue, 27 Jun 2017 06:07:23 +0000
Subject: webkitgtk-2.16.5

---
 Source/WebCore/css/CSSValuePool.h | 83 ++++++++++++++++++++++-----------------
 1 file changed, 46 insertions(+), 37 deletions(-)

(limited to 'Source/WebCore/css/CSSValuePool.h')

diff --git a/Source/WebCore/css/CSSValuePool.h b/Source/WebCore/css/CSSValuePool.h
index 44b00a9c7..c5d2d8bda 100644
--- a/Source/WebCore/css/CSSValuePool.h
+++ b/Source/WebCore/css/CSSValuePool.h
@@ -23,15 +23,20 @@
  * THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#ifndef CSSValuePool_h
-#define CSSValuePool_h
+#pragma once
 
+#include "CSSFontFamily.h"
 #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/AtomicStringHash.h>
 
@@ -39,57 +44,61 @@ namespace WebCore {
 
 class CSSValueList;
 
+enum class FromSystemFontID { No, Yes };
+
 class CSSValuePool {
     WTF_MAKE_FAST_ALLOCATED;
 public:
-    PassRefPtr<CSSValueList> createFontFaceValue(const AtomicString&);
-    PassRef<CSSPrimitiveValue> createFontFamilyValue(const String&);
-    PassRef<CSSInheritedValue> createInheritedValue() { return m_inheritedValue.get(); }
-    PassRef<CSSInitialValue> createImplicitInitialValue() { return m_implicitInitialValue.get(); }
-    PassRef<CSSInitialValue> createExplicitInitialValue() { return m_explicitInitialValue.get(); }
-    PassRef<CSSPrimitiveValue> createIdentifierValue(CSSValueID identifier);
-    PassRef<CSSPrimitiveValue> createIdentifierValue(CSSPropertyID identifier);
-    PassRef<CSSPrimitiveValue> createColorValue(unsigned rgbValue);
-    PassRef<CSSPrimitiveValue> createValue(double value, CSSPrimitiveValue::UnitTypes);
-    PassRef<CSSPrimitiveValue> createValue(const String& value, CSSPrimitiveValue::UnitTypes type) { return CSSPrimitiveValue::create(value, type); }
-    PassRef<CSSPrimitiveValue> createValue(const Length& value, const RenderStyle* style) { return CSSPrimitiveValue::create(value, style); }
-    PassRef<CSSPrimitiveValue> createValue(const LengthSize& value) { return CSSPrimitiveValue::create(value); }
-    template<typename T> static PassRef<CSSPrimitiveValue> createValue(T value) { return CSSPrimitiveValue::create(value); }
+    static CSSValuePool& singleton();
+
+    RefPtr<CSSValueList> createFontFaceValue(const AtomicString&);
+    Ref<CSSPrimitiveValue> createFontFamilyValue(const String&, FromSystemFontID = FromSystemFontID::No);
+    Ref<CSSInheritedValue> createInheritedValue() { return m_inheritedValue.get(); }
+    Ref<CSSInitialValue> createImplicitInitialValue() { return m_implicitInitialValue.get(); }
+    Ref<CSSInitialValue> createExplicitInitialValue() { return m_explicitInitialValue.get(); }
+    Ref<CSSUnsetValue> createUnsetValue() { return m_unsetValue.get(); }
+    Ref<CSSRevertValue> createRevertValue() { return m_revertValue.get(); }
+    Ref<CSSPrimitiveValue> createIdentifierValue(CSSValueID identifier);
+    Ref<CSSPrimitiveValue> createIdentifierValue(CSSPropertyID identifier);
+    Ref<CSSPrimitiveValue> createColorValue(const Color&);
+    Ref<CSSPrimitiveValue> createValue(double value, CSSPrimitiveValue::UnitType);
+    Ref<CSSPrimitiveValue> createValue(const String& value, CSSPrimitiveValue::UnitType 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:
     CSSValuePool();
 
-    Ref<CSSInheritedValue> m_inheritedValue;
-    Ref<CSSInitialValue> m_implicitInitialValue;
-    Ref<CSSInitialValue> m_explicitInitialValue;
-
-    RefPtr<CSSPrimitiveValue> m_identifierValueCache[numCSSValueKeywords];
-
-    typedef HashMap<unsigned, RefPtr<CSSPrimitiveValue>> ColorValueCache;
+    typedef HashMap<Color, RefPtr<CSSPrimitiveValue>> ColorValueCache;
     ColorValueCache m_colorValueCache;
-    Ref<CSSPrimitiveValue> m_colorTransparent;
-    Ref<CSSPrimitiveValue> m_colorWhite;
-    Ref<CSSPrimitiveValue> m_colorBlack;
-
-    static const int maximumCacheableIntegerValue = 255;
-
-    RefPtr<CSSPrimitiveValue> m_pixelValueCache[maximumCacheableIntegerValue + 1];
-    RefPtr<CSSPrimitiveValue> m_percentValueCache[maximumCacheableIntegerValue + 1];
-    RefPtr<CSSPrimitiveValue> m_numberValueCache[maximumCacheableIntegerValue + 1];
 
     typedef HashMap<AtomicString, RefPtr<CSSValueList>> FontFaceValueCache;
     FontFaceValueCache m_fontFaceValueCache;
 
-    typedef HashMap<String, RefPtr<CSSPrimitiveValue>> FontFamilyValueCache;
+    typedef HashMap<std::pair<String, bool>, RefPtr<CSSPrimitiveValue>> FontFamilyValueCache;
     FontFamilyValueCache m_fontFamilyValueCache;
 
-    friend CSSValuePool& cssValuePool();
-};
+    friend class WTF::NeverDestroyed<CSSValuePool>;
+
+    LazyNeverDestroyed<CSSInheritedValue> m_inheritedValue;
+    LazyNeverDestroyed<CSSInitialValue> m_implicitInitialValue;
+    LazyNeverDestroyed<CSSInitialValue> m_explicitInitialValue;
+    LazyNeverDestroyed<CSSUnsetValue> m_unsetValue;
+    LazyNeverDestroyed<CSSRevertValue> m_revertValue;
 
-CSSValuePool& cssValuePool() PURE_FUNCTION;
+    LazyNeverDestroyed<CSSPrimitiveValue> m_transparentColor;
+    LazyNeverDestroyed<CSSPrimitiveValue> m_whiteColor;
+    LazyNeverDestroyed<CSSPrimitiveValue> m_blackColor;
 
-}
+    static const 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];
+};
 
-#endif
+} // namespace WebCore
-- 
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