[Experimental] CSSSerializer Proof-of-concept

third_party/WebKit/Source/core/css/CSSImageSetValue.cpp

 /*
  * Copyright (C) 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/CSSImageSetValue.h"
 
 #include "core/css/CSSImageValue.h"
 #include "core/css/CSSPrimitiveValue.h"
+#include "core/css/serializer/CSSDeserializeStream.h"
+#include "core/css/serializer/CSSSerializeStream.h"
 #include "core/dom/Document.h"
 #include "core/fetch/FetchInitiatorTypeNames.h"
 #include "core/fetch/FetchRequest.h"
 #include "core/fetch/ImageResource.h"
 #include "core/fetch/ResourceFetcher.h"
 #include "core/fetch/ResourceLoaderOptions.h"
 #include "core/style/StyleFetchedImageSet.h"
 #include "platform/weborigin/KURL.h"
 #include "platform/weborigin/SecurityPolicy.h"
 #include "wtf/text/StringBuilder.h"
 #include <algorithm>
 
 namespace blink {
 
 CSSImageSetValue::CSSImageSetValue()
     : CSSValueList(ImageSetClass, CommaSeparator)
     , m_isCachePending(true)
     , m_cachedScaleFactor(1)
 {
 }
 
+CSSImageSetValue::CSSImageSetValue(unsigned bitfields, CSSDeserializeStream* stream)
+    : CSSValueList(ImageSetClass, bitfields, stream)
+    , m_isCachePending(true)
+    , m_cachedScaleFactor(1)
+{
+}
+
 CSSImageSetValue::~CSSImageSetValue()
 {
 #if !ENABLE(OILPAN)
     if (m_cachedImageSet)
         m_cachedImageSet->clearImageSetValue();
 #endif
 }
 
 void CSSImageSetValue::fillImageSet()
 {
@@ skipping 103 matching lines @@
 
 bool CSSImageSetValue::hasFailedOrCanceledSubresources() const
 {
     if (!m_cachedImageSet)
         return false;
     if (Resource* cachedResource = m_cachedImageSet->cachedImage())
         return cachedResource->loadFailedOrCanceled();
     return true;
 }
 
+void CSSImageSetValue::serializeAfterDispatch(CSSSerializeStream* stream) const
+{
+    CSSValueList::serializeAfterDispatch(stream);
+}
+
 DEFINE_TRACE_AFTER_DISPATCH(CSSImageSetValue)
 {
     visitor->trace(m_cachedImageSet);
     CSSValueList::traceAfterDispatch(visitor);
 }
 
 PassRefPtrWillBeRawPtr<CSSImageSetValue> CSSImageSetValue::valueWithURLsMadeAbsolute()
 {
     RefPtrWillBeRawPtr<CSSImageSetValue> value = CSSImageSetValue::create();
     for (auto& item : *this)
         item->isImageValue() ? value->append(toCSSImageValue(*item).valueWithURLMadeAbsolute()) : value->append(item);
     return value.release();
 }
 
 
 } // namespace blink