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/*
* Copyright (C) 2010 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "InjectedBundleRangeHandle.h"
#include <WebCore/Range.h>
#include <wtf/HashMap.h>
using namespace WebCore;
namespace WebKit {
typedef HashMap<Range*, InjectedBundleRangeHandle*> DOMHandleCache;
static DOMHandleCache& domHandleCache()
{
DEFINE_STATIC_LOCAL(DOMHandleCache, cache, ());
return cache;
}
PassRefPtr<InjectedBundleRangeHandle> InjectedBundleRangeHandle::getOrCreate(Range* range)
{
if (!range)
return 0;
std::pair<DOMHandleCache::iterator, bool> result = domHandleCache().add(range, 0);
if (!result.second)
return PassRefPtr<InjectedBundleRangeHandle>(result.first->second);
RefPtr<InjectedBundleRangeHandle> rangeHandle = InjectedBundleRangeHandle::create(range);
result.first->second = rangeHandle.get();
return rangeHandle.release();
}
PassRefPtr<InjectedBundleRangeHandle> InjectedBundleRangeHandle::create(Range* range)
{
return adoptRef(new InjectedBundleRangeHandle(range));
}
InjectedBundleRangeHandle::InjectedBundleRangeHandle(Range* range)
: m_range(range)
{
}
InjectedBundleRangeHandle::~InjectedBundleRangeHandle()
{
domHandleCache().remove(m_range.get());
}
Range* InjectedBundleRangeHandle::coreRange() const
{
return m_range.get();
}
} // namespace WebKit
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