Make CSSStyleDeclaration getter/setter custom

Source/core/css/CSSStyleDeclaration.cpp

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 25 matching lines @@
 #include "core/css/CSSStyleSheet.h"
 #include "core/css/CSSValue.h"
 #include "core/dom/Document.h"
 #include "core/dom/DocumentStyleSheetCollection.h"
 #include "core/dom/EventTarget.h"
 #include "core/html/HTMLStyleElement.h"
 #include "core/page/RuntimeCSSEnabled.h"
 
 namespace WebCore {
 
-// FIXME: Next two functions look lifted verbatim from JSCSSStyleDeclarationCustom. Please remove duplication.
-
-// Check for a CSS prefix.
-// Passed prefix is all lowercase.
-// First character of the prefix within the property name may be upper or lowercase.
-// Other characters in the prefix within the property name must be lowercase.
-// The prefix within the property name must be followed by a capital letter.
-static bool hasCSSPropertyNamePrefix(const String& propertyName, const char* prefix)
-{
-#ifndef NDEBUG
-    ASSERT(*prefix);
-    for (const char* p = prefix; *p; ++p)
-        ASSERT(isASCIILower(*p));
-    ASSERT(propertyName.length());
-#endif
-
-    if (toASCIILower(propertyName[0]) != prefix[0])
-        return false;
-
-    unsigned length = propertyName.length();
-    for (unsigned i = 1; i < length; ++i) {
-        if (!prefix[i])
-            return isASCIIUpper(propertyName[i]);
-        if (propertyName[i] != prefix[i])
-            return false;
-    }
-    return false;
-}
-
-// When getting properties on CSSStyleDeclarations, the name used from
-// Javascript and the actual name of the property are not the same, so
-// we have to do the following translation. The translation turns upper
-// case characters into lower case characters and inserts dashes to
-// separate words.
-//
-// Example: 'backgroundPositionY' -> 'background-position-y'
-//
-// Also, certain prefixes such as 'pos', 'css-' and 'pixel-' are stripped
-// and the hadPixelOrPosPrefix out parameter is used to indicate whether or
-// not the property name was prefixed with 'pos-' or 'pixel-'.
-CSSPropertyInfo* CSSStyleDeclaration::cssPropertyInfo(const String& propertyName)
-{
-    typedef HashMap<String, CSSPropertyInfo*> CSSPropertyInfoMap;
-    DEFINE_STATIC_LOCAL(CSSPropertyInfoMap, map, ());
-    CSSPropertyInfo* propInfo = map.get(propertyName);
-    if (!propInfo) {
-        unsigned length = propertyName.length();
-        bool hadPixelOrPosPrefix = false;
-        if (!length)
-            return 0;
-
-        StringBuilder builder;
-        builder.reserveCapacity(length);
-
-        unsigned i = 0;
-
-        if (hasCSSPropertyNamePrefix(propertyName, "css"))
-            i += 3;
-        else if (hasCSSPropertyNamePrefix(propertyName, "pixel")) {
-            i += 5;
-            hadPixelOrPosPrefix = true;
-        } else if (hasCSSPropertyNamePrefix(propertyName, "pos")) {
-            i += 3;
-            hadPixelOrPosPrefix = true;
-        } else if (hasCSSPropertyNamePrefix(propertyName, "webkit"))
-            builder.append('-');
-        else if (isASCIIUpper(propertyName[0]))
-            return 0;
-
-        builder.append(toASCIILower(propertyName[i++]));
-
-        for (; i < length; ++i) {
-            UChar c = propertyName[i];
-            if (!isASCIIUpper(c))
-                builder.append(c);
-            else {
-                builder.append('-');
-                builder.append(toASCIILower(c));
-            }
-        }
-
-        String propName = builder.toString();
-        CSSPropertyID propertyID = cssPropertyID(propName);
-        if (propertyID && RuntimeCSSEnabled::isCSSPropertyEnabled(propertyID)) {
-            propInfo = new CSSPropertyInfo();
-            propInfo->hadPixelOrPosPrefix = hadPixelOrPosPrefix;
-            propInfo->propID = propertyID;
-            map.add(propertyName, propInfo);
-        }
-    }
-    return propInfo;
-}
-
-void CSSStyleDeclaration::anonymousNamedGetter(const AtomicString& name, bool& returnValue1Enabled, String& returnValue1, bool& returnValue2Enabled, float& returnValue2)
-{
-    // Search the style declaration.
-    CSSPropertyInfo* propInfo = cssPropertyInfo(name);
-
-    // Do not handle non-property names.
-    if (!propInfo)
-        return;
-
-    RefPtr<CSSValue> cssValue = getPropertyCSSValueInternal(static_cast<CSSPropertyID>(propInfo->propID));
-    if (cssValue) {
-        if (propInfo->hadPixelOrPosPrefix && cssValue->isPrimitiveValue()) {
-            returnValue2Enabled = true;
-            returnValue2 = static_cast<CSSPrimitiveValue*>(cssValue.get())->getFloatValue(CSSPrimitiveValue::CSS_PX);
-            return;
-        }
-        returnValue1Enabled = true;
-        returnValue1 = cssValue->cssText();
-        return;
-    }
-
-    String result = getPropertyValueInternal(static_cast<CSSPropertyID>(propInfo->propID));
-    if (result.isNull())
-        result = ""; // convert null to empty string.
-
-    returnValue1 = result;
-    returnValue1Enabled = true;
-}
-
-bool CSSStyleDeclaration::anonymousNamedSetter(const AtomicString& propertyName, const String& value, ExceptionCode& ec)
-{
-    String propertyValue = value;
-    CSSPropertyInfo* propInfo = CSSStyleDeclaration::cssPropertyInfo(propertyName);
-    if (!propInfo)
-        return false;
-
-    if (propInfo->hadPixelOrPosPrefix)
-        propertyValue.append("px");
-
-    this->setPropertyInternal(static_cast<CSSPropertyID>(propInfo->propID), propertyValue, false, ec);
-
-    return true;
-}
-
 } // namespace WebCore