blob: 05c5c021ac9ecb07649c78db1e1f9ea6ad7a80ad [file] [log] [blame]
/*
* Copyright (C) 2011, 2012 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 "core/css/CSSValuePool.h"
#include "platform/heap/Handle.h"
#include "platform/wtf/Threading.h"
namespace blink {
using namespace cssvalue;
CSSValuePool& CssValuePool() {
DEFINE_THREAD_SAFE_STATIC_LOCAL(ThreadSpecific<Persistent<CSSValuePool>>,
thread_specific_pool, ());
Persistent<CSSValuePool>& pool_handle = *thread_specific_pool;
if (!pool_handle) {
pool_handle = new CSSValuePool;
pool_handle.RegisterAsStaticReference();
}
return *pool_handle;
}
CSSValuePool::CSSValuePool()
: inherited_value_(new CSSInheritedValue),
initial_value_(new CSSInitialValue()),
unset_value_(new CSSUnsetValue),
color_transparent_(new CSSColorValue(Color::kTransparent)),
color_white_(new CSSColorValue(Color::kWhite)),
color_black_(new CSSColorValue(Color::kBlack)) {
identifier_value_cache_.resize(numCSSValueKeywords);
pixel_value_cache_.resize(kMaximumCacheableIntegerValue + 1);
percent_value_cache_.resize(kMaximumCacheableIntegerValue + 1);
number_value_cache_.resize(kMaximumCacheableIntegerValue + 1);
}
void CSSValuePool::Trace(blink::Visitor* visitor) {
visitor->Trace(inherited_value_);
visitor->Trace(initial_value_);
visitor->Trace(unset_value_);
visitor->Trace(color_transparent_);
visitor->Trace(color_white_);
visitor->Trace(color_black_);
visitor->Trace(identifier_value_cache_);
visitor->Trace(pixel_value_cache_);
visitor->Trace(percent_value_cache_);
visitor->Trace(number_value_cache_);
visitor->Trace(color_value_cache_);
visitor->Trace(font_face_value_cache_);
visitor->Trace(font_family_value_cache_);
}
} // namespace blink