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      1 /*
      2  * Copyright (C) 2007, 2009 Apple Inc. All rights reserved.
      3  *
      4  * Redistribution and use in source and binary forms, with or without
      5  * modification, are permitted provided that the following conditions
      6  * are met:
      7  * 1. Redistributions of source code must retain the above copyright
      8  *    notice, this list of conditions and the following disclaimer.
      9  * 2. Redistributions in binary form must reproduce the above copyright
     10  *    notice, this list of conditions and the following disclaimer in the
     11  *    documentation and/or other materials provided with the distribution.
     12  *
     13  * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
     14  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     16  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
     17  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
     18  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
     19  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
     20  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
     21  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     23  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     24  */
     25 
     26 #include "config.h"
     27 #include "JSStyleSheetList.h"
     28 
     29 #include "HTMLStyleElement.h"
     30 #include "JSStyleSheet.h"
     31 #include "StyleSheet.h"
     32 #include "StyleSheetList.h"
     33 
     34 using namespace JSC;
     35 
     36 namespace WebCore {
     37 
     38 void JSStyleSheetList::markChildren(MarkStack& markStack)
     39 {
     40     Base::markChildren(markStack);
     41 
     42     StyleSheetList* list = impl();
     43     JSGlobalData& globalData = *Heap::heap(this)->globalData();
     44 
     45     unsigned length = list->length();
     46     for (unsigned i = 0; i < length; ++i)
     47         markDOMObjectWrapper(markStack, globalData, list->item(i));
     48 }
     49 
     50 bool JSStyleSheetList::canGetItemsForName(ExecState*, StyleSheetList* styleSheetList, const Identifier& propertyName)
     51 {
     52     return styleSheetList->getNamedItem(propertyName);
     53 }
     54 
     55 JSValue JSStyleSheetList::nameGetter(ExecState* exec, const Identifier& propertyName, const PropertySlot& slot)
     56 {
     57     JSStyleSheetList* thisObj = static_cast<JSStyleSheetList*>(asObject(slot.slotBase()));
     58     HTMLStyleElement* element = thisObj->impl()->getNamedItem(propertyName);
     59     ASSERT(element);
     60     return toJS(exec, element->sheet());
     61 }
     62 
     63 } // namespace WebCore
     64