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      1 /*
      2  * Copyright (C) 2009, 2011, 2012 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 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 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 "core/html/HTMLAllCollection.h"
     28 
     29 #include "core/dom/Element.h"
     30 #include "core/dom/StaticNodeList.h"
     31 
     32 namespace blink {
     33 
     34 PassRefPtrWillBeRawPtr<HTMLAllCollection> HTMLAllCollection::create(ContainerNode& node, CollectionType type)
     35 {
     36     ASSERT_UNUSED(type, type == DocAll);
     37     return adoptRefWillBeNoop(new HTMLAllCollection(node));
     38 }
     39 
     40 HTMLAllCollection::HTMLAllCollection(ContainerNode& node)
     41     : HTMLCollection(node, DocAll, DoesNotOverrideItemAfter)
     42 {
     43 }
     44 
     45 HTMLAllCollection::~HTMLAllCollection()
     46 {
     47 }
     48 
     49 Element* HTMLAllCollection::namedItemWithIndex(const AtomicString& name, unsigned index) const
     50 {
     51     updateIdNameCache();
     52 
     53     const NamedItemCache& cache = namedItemCache();
     54     if (WillBeHeapVector<RawPtrWillBeMember<Element> >* elements = cache.getElementsById(name)) {
     55         if (index < elements->size())
     56             return elements->at(index);
     57         index -= elements->size();
     58     }
     59 
     60     if (WillBeHeapVector<RawPtrWillBeMember<Element> >* elements = cache.getElementsByName(name)) {
     61         if (index < elements->size())
     62             return elements->at(index);
     63     }
     64 
     65     return 0;
     66 }
     67 
     68 void HTMLAllCollection::namedGetter(const AtomicString& name, RefPtrWillBeRawPtr<NodeList>& returnValue0, RefPtrWillBeRawPtr<Element>& returnValue1)
     69 {
     70     WillBeHeapVector<RefPtrWillBeMember<Element> > namedItems;
     71     this->namedItems(name, namedItems);
     72 
     73     if (!namedItems.size())
     74         return;
     75 
     76     if (namedItems.size() == 1) {
     77         returnValue1 = namedItems.at(0);
     78         return;
     79     }
     80 
     81     // FIXME: HTML5 specification says this should be a HTMLCollection.
     82     // http://www.whatwg.org/specs/web-apps/current-work/multipage/common-dom-interfaces.html#htmlallcollection
     83     returnValue0 = StaticElementList::adopt(namedItems);
     84 }
     85 
     86 } // namespace blink
     87