Merge WebKit at r75315: Initial merge by git.

Change-Id: I570314b346ce101c935ed22a626b48c2af266b84

1 files changed, 193 insertions, 0 deletions

diff --git a/Source/WebCore/bindings/js/JSCSSStyleDeclarationCustom.cpp b/Source/WebCore/bindings/js/JSCSSStyleDeclarationCustom.cpp
new file mode 100644
index 0000000..1a448ee
--- /dev/null
+++ b/Source/WebCore/bindings/js/JSCSSStyleDeclarationCustom.cpp
@@ -0,0 +1,193 @@
+/*
+ * Copyright (C) 2007, 2008, 2009 Apple 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:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
+ */
+
+#include "config.h"
+#include "JSCSSStyleDeclarationCustom.h"
+
+#include "CSSMutableStyleDeclaration.h"
+#include "CSSPrimitiveValue.h"
+#include "CSSValue.h"
+#include "PlatformString.h"
+#include <runtime/StringObjectThatMasqueradesAsUndefined.h>
+#include <runtime/StringPrototype.h>
+#include <wtf/ASCIICType.h>
+#include <wtf/text/AtomicString.h>
+
+using namespace JSC;
+using namespace WTF;
+
+namespace WebCore {
+
+void JSCSSStyleDeclaration::markChildren(MarkStack& markStack)
+{
+    Base::markChildren(markStack);
+
+    CSSStyleDeclaration* declaration = impl();
+    JSGlobalData& globalData = *Heap::heap(this)->globalData();
+
+    if (CSSRule* parentRule = declaration->parentRule())
+        markDOMObjectWrapper(markStack, globalData, parentRule);
+
+    if (declaration->isMutableStyleDeclaration()) {
+        CSSMutableStyleDeclaration* mutableDeclaration = static_cast<CSSMutableStyleDeclaration*>(declaration);
+        CSSMutableStyleDeclaration::const_iterator end = mutableDeclaration->end();
+        for (CSSMutableStyleDeclaration::const_iterator it = mutableDeclaration->begin(); it != end; ++it)
+            markDOMObjectWrapper(markStack, globalData, it->value());
+    }
+}
+
+// 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 Identifier& 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.characters()[0]) != prefix[0])
+        return false;
+
+    unsigned length = propertyName.length();
+    for (unsigned i = 1; i < length; ++i) {
+        if (!prefix[i])
+            return isASCIIUpper(propertyName.characters()[i]);
+        if (propertyName.characters()[i] != prefix[i])
+            return false;
+    }
+    return false;
+}
+
+static String cssPropertyName(const Identifier& propertyName, bool* hadPixelOrPosPrefix = 0)
+{
+    if (hadPixelOrPosPrefix)
+        *hadPixelOrPosPrefix = false;
+
+    unsigned length = propertyName.length();
+    if (!length)
+        return String();
+
+    Vector<UChar> name;
+    name.reserveInitialCapacity(length);
+
+    unsigned i = 0;
+
+    if (hasCSSPropertyNamePrefix(propertyName, "css"))
+        i += 3;
+    else if (hasCSSPropertyNamePrefix(propertyName, "pixel")) {
+        i += 5;
+        if (hadPixelOrPosPrefix)
+            *hadPixelOrPosPrefix = true;
+    } else if (hasCSSPropertyNamePrefix(propertyName, "pos")) {
+        i += 3;
+        if (hadPixelOrPosPrefix)
+            *hadPixelOrPosPrefix = true;
+    } else if (hasCSSPropertyNamePrefix(propertyName, "webkit")
+            || hasCSSPropertyNamePrefix(propertyName, "khtml")
+            || hasCSSPropertyNamePrefix(propertyName, "apple"))
+        name.append('-');
+    else {
+        if (isASCIIUpper(propertyName.characters()[0]))
+            return String();
+    }
+
+    name.append(toASCIILower(propertyName.characters()[i++]));
+
+    for (; i < length; ++i) {
+        UChar c = propertyName.characters()[i];
+        if (!isASCIIUpper(c))
+            name.append(c);
+        else {
+            name.append('-');
+            name.append(toASCIILower(c));
+        }
+    }
+
+    return String::adopt(name);
+}
+
+static bool isCSSPropertyName(const Identifier& propertyName)
+{
+    return CSSStyleDeclaration::isPropertyName(cssPropertyName(propertyName));
+}
+
+bool JSCSSStyleDeclaration::canGetItemsForName(ExecState*, CSSStyleDeclaration*, const Identifier& propertyName)
+{
+    return isCSSPropertyName(propertyName);
+}
+
+// FIXME: You can get these properties, and set them (see putDelegate below),
+// but you should also be able to enumerate them.
+JSValue JSCSSStyleDeclaration::nameGetter(ExecState* exec, JSValue slotBase, const Identifier& propertyName)
+{
+    JSCSSStyleDeclaration* thisObj = static_cast<JSCSSStyleDeclaration*>(asObject(slotBase));
+
+    // Set up pixelOrPos boolean to handle the fact that
+    // pixelTop returns "CSS Top" as number value in unit pixels
+    // posTop returns "CSS top" as number value in unit pixels _if_ its a
+    // positioned element. if it is not a positioned element, return 0
+    // from MSIE documentation FIXME: IMPLEMENT THAT (Dirk)
+    bool pixelOrPos;
+    String prop = cssPropertyName(propertyName, &pixelOrPos);
+    RefPtr<CSSValue> v = thisObj->impl()->getPropertyCSSValue(prop);
+    if (v) {
+        if (pixelOrPos && v->cssValueType() == CSSValue::CSS_PRIMITIVE_VALUE)
+            return jsNumber(static_pointer_cast<CSSPrimitiveValue>(v)->getFloatValue(CSSPrimitiveValue::CSS_PX));
+        return jsStringOrNull(exec, v->cssText());
+    }
+
+    // If the property is a shorthand property (such as "padding"), 
+    // it can only be accessed using getPropertyValue.
+
+    // Make the SVG 'filter' attribute undetectable, to avoid confusion with the IE 'filter' attribute.
+    if (propertyName == "filter")
+        return StringObjectThatMasqueradesAsUndefined::create(exec, stringToUString(thisObj->impl()->getPropertyValue(prop)));
+
+    return jsString(exec, thisObj->impl()->getPropertyValue(prop));
+}
+
+
+bool JSCSSStyleDeclaration::putDelegate(ExecState* exec, const Identifier& propertyName, JSValue value, PutPropertySlot&)
+{
+    if (!isCSSPropertyName(propertyName))
+        return false;
+
+    bool pixelOrPos;
+    String prop = cssPropertyName(propertyName, &pixelOrPos);
+    String propValue = valueToStringWithNullCheck(exec, value);
+    if (pixelOrPos)
+        propValue += "px";
+    ExceptionCode ec = 0;
+    impl()->setProperty(prop, propValue, ec);
+    setDOMException(exec, ec);
+    return true;
+}
+
+} // namespace WebCore