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// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef SizesAttributeParser_h
#define SizesAttributeParser_h
#include "core/css/MediaValues.h"
#include "core/css/parser/MediaQueryParser.h"
#include "platform/heap/Handle.h"
#include "wtf/text/WTFString.h"
namespace WebCore {
class SizesAttributeParser {
STACK_ALLOCATED();
public:
static unsigned findEffectiveSize(const String& attribute, PassRefPtr<MediaValues>);
private:
SizesAttributeParser(PassRefPtr<MediaValues> mediaValues)
: m_mediaValues(mediaValues)
, m_length(0)
, m_lengthWasSet(false)
{
}
bool parse(Vector<MediaQueryToken>& tokens);
bool parseMediaConditionAndLength(MediaQueryTokenIterator startToken, MediaQueryTokenIterator endToken);
unsigned effectiveSize();
bool calculateLengthInPixels(MediaQueryTokenIterator startToken, MediaQueryTokenIterator endToken, unsigned& result);
bool mediaConditionMatches(PassRefPtrWillBeRawPtr<MediaQuerySet> mediaCondition);
unsigned effectiveSizeDefaultValue();
RefPtrWillBeMember<MediaQuerySet> m_mediaCondition;
RefPtr<MediaValues> m_mediaValues;
unsigned m_length;
bool m_lengthWasSet;
};
} // namespace
#endif
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