webengine/osswebengine/WebCore/bindings/js/JSCSSStyleDeclarationCustom.cpp
changeset 0 dd21522fd290
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/webengine/osswebengine/WebCore/bindings/js/JSCSSStyleDeclarationCustom.cpp	Mon Mar 30 12:54:55 2009 +0300
@@ -0,0 +1,131 @@
+/*
+ * Copyright (C) 2007 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 "JSCSSStyleDeclaration.h"
+
+#include "AtomicString.h"
+#include "CSSPrimitiveValue.h"
+#include "CSSStyleDeclaration.h"
+#include "CSSValue.h"
+#include "DeprecatedString.h"
+#include "PlatformString.h"
+#include <kjs/string_object.h>
+
+namespace WebCore {
+
+using namespace KJS;
+
+static String cssPropertyName(const Identifier& propertyName, bool* hadPixelOrPosPrefix = 0)
+{
+    DeprecatedString prop = propertyName;
+
+    int i = prop.length();
+
+    if (!i)
+        return prop;
+
+    while (--i) {
+        ::UChar c = prop[i].unicode();
+        if (c >= 'A' && c <= 'Z')
+            prop.insert(i, '-');
+    }
+
+    prop = prop.lower();
+
+    if (hadPixelOrPosPrefix)
+        *hadPixelOrPosPrefix = false;
+
+    if (prop.startsWith("css-"))
+        prop = prop.mid(4);
+    else if (prop.startsWith("pixel-")) {
+        prop = prop.mid(6);
+        if (hadPixelOrPosPrefix)
+            *hadPixelOrPosPrefix = true;
+    } else if (prop.startsWith("pos-")) {
+        prop = prop.mid(4);
+        if (hadPixelOrPosPrefix)
+            *hadPixelOrPosPrefix = true;
+    } else if (prop.startsWith("khtml-") || prop.startsWith("apple-") || prop.startsWith("webkit-"))
+        prop.insert(0, '-');
+
+    return prop;
+}
+
+static bool isCSSPropertyName(const Identifier& propertyName)
+{
+    return CSSStyleDeclaration::isPropertyName(cssPropertyName(propertyName));
+}
+
+bool JSCSSStyleDeclaration::canGetItemsForName(ExecState*, CSSStyleDeclaration*, const Identifier& propertyName)
+{
+    return isCSSPropertyName(propertyName);
+}
+
+JSValue* JSCSSStyleDeclaration::nameGetter(ExecState* exec, JSObject* originalObject, const Identifier& propertyName, const PropertySlot& slot)
+{
+    JSCSSStyleDeclaration* thisObj = static_cast<JSCSSStyleDeclaration*>(slot.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(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 new StringInstanceThatMasqueradesAsUndefined(exec->lexicalInterpreter()->builtinStringPrototype(), thisObj->impl()->getPropertyValue(prop));
+
+    return jsString(thisObj->impl()->getPropertyValue(prop));
+}
+
+
+bool JSCSSStyleDeclaration::customPut(ExecState* exec, const Identifier& propertyName, JSValue* value, int /*attr*/)
+{
+    if (!isCSSPropertyName(propertyName))
+        return false;
+
+    DOMExceptionTranslator exception(exec);
+    bool pixelOrPos;
+    String prop = cssPropertyName(propertyName, &pixelOrPos);
+    String propValue = valueToStringWithNullCheck(exec, value);
+    if (pixelOrPos)
+        propValue += "px";
+    impl()->setProperty(prop, propValue, exception);
+    return true;
+}
+
+} // namespace WebCore