third_party/WebKit/Source/core/html/HTMLDataListElement.cpp

/*
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 * Copyright (C) 2010 Apple Inc. All rights reserved.
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 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
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 * notice, this list of conditions and the following disclaimer.
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 * in the documentation and/or other materials provided with the
 * distribution.
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 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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#include "core/html/HTMLDataListElement.h"

#include "core/HTMLNames.h"
#include "core/dom/IdTargetObserverRegistry.h"
#include "core/dom/NodeListsNodeData.h"
#include "core/frame/UseCounter.h"
#include "core/html/HTMLDataListOptionsCollection.h"

namespace blink {

inline HTMLDataListElement::HTMLDataListElement(Document& document)
    : HTMLElement(HTMLNames::datalistTag, document)
{
}

HTMLDataListElement* HTMLDataListElement::create(Document& document)
{
    UseCounter::count(document, UseCounter::DataListElement);
    return new HTMLDataListElement(document);
}

HTMLDataListOptionsCollection* HTMLDataListElement::options()
{
    return ensureCachedCollection<HTMLDataListOptionsCollection>(DataListOptions);
}

void HTMLDataListElement::childrenChanged(const ChildrenChange& change)
{
    HTMLElement::childrenChanged(change);
    if (!change.byParser)
        treeScope().idTargetObserverRegistry().notifyObservers(getIdAttribute());
}

void HTMLDataListElement::finishParsingChildren()
{
    treeScope().idTargetObserverRegistry().notifyObservers(getIdAttribute());
}

void HTMLDataListElement::optionElementChildrenChanged()
{
    treeScope().idTargetObserverRegistry().notifyObservers(getIdAttribute());
}

} // namespace blink