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| 1 // Copyright 2014 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 #ifndef SizesAttributeParser_h |
| 6 #define SizesAttributeParser_h |
| 7 |
| 8 #include "core/css/MediaValues.h" |
| 9 #include "core/css/parser/MediaQueryParser.h" |
| 10 #include "wtf/text/WTFString.h" |
| 11 |
| 12 namespace WebCore { |
| 13 |
| 14 class SizesAttributeParser { |
| 15 public: |
| 16 static unsigned findEffectiveSize(const String& attribute, PassRefPtr<MediaV
alues>); |
| 17 |
| 18 private: |
| 19 SizesAttributeParser(PassRefPtr<MediaValues> mediaValues) |
| 20 : m_mediaValues(mediaValues) |
| 21 , m_length(0) |
| 22 { |
| 23 } |
| 24 |
| 25 bool parse(Vector<MediaQueryToken>& tokens); |
| 26 bool parseMediaConditionAndLength(TokenIterator startToken, TokenIterator en
dToken); |
| 27 unsigned effectiveSize(); |
| 28 bool calculateLengthInPixels(TokenIterator startToken, TokenIterator endToke
n, unsigned& result); |
| 29 bool mediaConditionMatches(PassRefPtr<MediaQuerySet> mediaCondition); |
| 30 unsigned effectiveSizeDefaultValue(); |
| 31 |
| 32 RefPtr<MediaQuerySet> m_mediaCondition; |
| 33 RefPtr<MediaValues> m_mediaValues; |
| 34 unsigned m_length; |
| 35 }; |
| 36 |
| 37 } // namespace |
| 38 |
| 39 #endif |
| 40 |
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