Home | History | Annotate | Download | only in html 
      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/NamedNodesCollection.h"
     31 
     32 namespace WebCore {
     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     ScriptWrappable::init(this);
     44 }
     45 
     46 HTMLAllCollection::~HTMLAllCollection()
     47 {
     48 }
     49 
     50 Element* HTMLAllCollection::namedItemWithIndex(const AtomicString& name, unsigned index) const
     51 {
     52     updateIdNameCache();
     53 
     54     const NamedItemCache& cache = namedItemCache();
     55     if (WillBeHeapVector<RawPtrWillBeMember<Element> >* elements = cache.getElementsById(name)) {
     56         if (index < elements->size())
     57             return elements->at(index);
     58         index -= elements->size();
     59     }
     60 
     61     if (WillBeHeapVector<RawPtrWillBeMember<Element> >* elements = cache.getElementsByName(name)) {
     62         if (index < elements->size())
     63             return elements->at(index);
     64     }
     65 
     66     return 0;
     67 }
     68 
     69 void HTMLAllCollection::namedGetter(const AtomicString& name, bool& returnValue0Enabled, RefPtrWillBeRawPtr<NodeList>& returnValue0, bool& returnValue1Enabled, RefPtrWillBeRawPtr<Element>& returnValue1)
     70 {
     71     WillBeHeapVector<RefPtrWillBeMember<Element> > namedItems;
     72     this->namedItems(name, namedItems);
     73 
     74     if (!namedItems.size())
     75         return;
     76 
     77     if (namedItems.size() == 1) {
     78         returnValue1Enabled = true;
     79         returnValue1 = namedItems.at(0);
     80         return;
     81     }
     82 
     83     // FIXME: HTML5 specification says this should be a HTMLCollection.
     84     // http://www.whatwg.org/specs/web-apps/current-work/multipage/common-dom-interfaces.html#htmlallcollection
     85     returnValue0Enabled = true;
     86     returnValue0 = NamedNodesCollection::create(namedItems);
     87 }
     88 
     89 } // namespace WebCore
     90