author | Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com> |
Mon, 30 Mar 2009 12:54:55 +0300 | |
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permissions | -rw-r--r-- |
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/* |
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* Copyright (C) 2007 Apple Inc. All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the distribution. |
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* |
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* THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY |
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR |
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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*/ |
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#include "config.h" |
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#include "JSCSSStyleDeclaration.h" |
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#include "AtomicString.h" |
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#include "CSSPrimitiveValue.h" |
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#include "CSSStyleDeclaration.h" |
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#include "CSSValue.h" |
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#include "DeprecatedString.h" |
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#include "PlatformString.h" |
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#include <kjs/string_object.h> |
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namespace WebCore { |
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using namespace KJS; |
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static String cssPropertyName(const Identifier& propertyName, bool* hadPixelOrPosPrefix = 0) |
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{ |
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DeprecatedString prop = propertyName; |
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int i = prop.length(); |
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if (!i) |
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return prop; |
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while (--i) { |
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::UChar c = prop[i].unicode(); |
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if (c >= 'A' && c <= 'Z') |
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prop.insert(i, '-'); |
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} |
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prop = prop.lower(); |
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if (hadPixelOrPosPrefix) |
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*hadPixelOrPosPrefix = false; |
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if (prop.startsWith("css-")) |
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prop = prop.mid(4); |
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else if (prop.startsWith("pixel-")) { |
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prop = prop.mid(6); |
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if (hadPixelOrPosPrefix) |
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*hadPixelOrPosPrefix = true; |
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} else if (prop.startsWith("pos-")) { |
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prop = prop.mid(4); |
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if (hadPixelOrPosPrefix) |
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*hadPixelOrPosPrefix = true; |
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} else if (prop.startsWith("khtml-") || prop.startsWith("apple-") || prop.startsWith("webkit-")) |
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prop.insert(0, '-'); |
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return prop; |
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} |
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static bool isCSSPropertyName(const Identifier& propertyName) |
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{ |
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return CSSStyleDeclaration::isPropertyName(cssPropertyName(propertyName)); |
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} |
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bool JSCSSStyleDeclaration::canGetItemsForName(ExecState*, CSSStyleDeclaration*, const Identifier& propertyName) |
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{ |
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return isCSSPropertyName(propertyName); |
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} |
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JSValue* JSCSSStyleDeclaration::nameGetter(ExecState* exec, JSObject* originalObject, const Identifier& propertyName, const PropertySlot& slot) |
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{ |
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JSCSSStyleDeclaration* thisObj = static_cast<JSCSSStyleDeclaration*>(slot.slotBase()); |
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// Set up pixelOrPos boolean to handle the fact that |
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// pixelTop returns "CSS Top" as number value in unit pixels |
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// posTop returns "CSS top" as number value in unit pixels _if_ its a |
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// positioned element. if it is not a positioned element, return 0 |
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// from MSIE documentation FIXME: IMPLEMENT THAT (Dirk) |
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bool pixelOrPos; |
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String prop = cssPropertyName(propertyName, &pixelOrPos); |
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RefPtr<CSSValue> v = thisObj->impl()->getPropertyCSSValue(prop); |
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if (v) { |
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if (pixelOrPos && v->cssValueType() == CSSValue::CSS_PRIMITIVE_VALUE) |
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return jsNumber(static_pointer_cast<CSSPrimitiveValue>(v)->getFloatValue(CSSPrimitiveValue::CSS_PX)); |
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return jsStringOrNull(v->cssText()); |
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} |
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// If the property is a shorthand property (such as "padding"), |
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// it can only be accessed using getPropertyValue. |
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// Make the SVG 'filter' attribute undetectable, to avoid confusion with the IE 'filter' attribute. |
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if (propertyName == "filter") |
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return new StringInstanceThatMasqueradesAsUndefined(exec->lexicalInterpreter()->builtinStringPrototype(), thisObj->impl()->getPropertyValue(prop)); |
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return jsString(thisObj->impl()->getPropertyValue(prop)); |
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} |
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bool JSCSSStyleDeclaration::customPut(ExecState* exec, const Identifier& propertyName, JSValue* value, int /*attr*/) |
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{ |
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if (!isCSSPropertyName(propertyName)) |
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return false; |
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DOMExceptionTranslator exception(exec); |
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bool pixelOrPos; |
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String prop = cssPropertyName(propertyName, &pixelOrPos); |
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String propValue = valueToStringWithNullCheck(exec, value); |
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if (pixelOrPos) |
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propValue += "px"; |
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impl()->setProperty(prop, propValue, exception); |
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return true; |
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} |
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} // namespace WebCore |