diff options
Diffstat (limited to 'Source/WebKit2/WebProcess/InjectedBundle/DOM/InjectedBundleRangeHandle.cpp')
-rw-r--r-- | Source/WebKit2/WebProcess/InjectedBundle/DOM/InjectedBundleRangeHandle.cpp | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/Source/WebKit2/WebProcess/InjectedBundle/DOM/InjectedBundleRangeHandle.cpp b/Source/WebKit2/WebProcess/InjectedBundle/DOM/InjectedBundleRangeHandle.cpp new file mode 100644 index 0000000..9186637 --- /dev/null +++ b/Source/WebKit2/WebProcess/InjectedBundle/DOM/InjectedBundleRangeHandle.cpp @@ -0,0 +1,77 @@ +/* + * 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 "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 |