| // 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) |
| { |
| } |
| |
| bool parse(Vector<MediaQueryToken>& tokens); |
| bool parseMediaConditionAndLength(TokenIterator startToken, TokenIterator endToken); |
| unsigned effectiveSize(); |
| bool calculateLengthInPixels(TokenIterator startToken, TokenIterator endToken, unsigned& result); |
| bool mediaConditionMatches(PassRefPtrWillBeRawPtr<MediaQuerySet> mediaCondition); |
| unsigned effectiveSizeDefaultValue(); |
| |
| RefPtrWillBeMember<MediaQuerySet> m_mediaCondition; |
| RefPtr<MediaValues> m_mediaValues; |
| unsigned m_length; |
| }; |
| |
| } // namespace |
| |
| #endif |
| |