Index: Source/core/css/parser/SizesAttributeParser.h |
diff --git a/Source/core/css/parser/SizesAttributeParser.h b/Source/core/css/parser/SizesAttributeParser.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..4c6b73f8a4d0b17c4ec2e8ba5c0b864e6251db80 |
--- /dev/null |
+++ b/Source/core/css/parser/SizesAttributeParser.h |
@@ -0,0 +1,40 @@ |
+// 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 "wtf/text/WTFString.h" |
+ |
+namespace WebCore { |
+ |
+class SizesAttributeParser { |
+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(PassRefPtr<MediaQuerySet> mediaCondition); |
+ unsigned effectiveSizeDefaultValue(); |
+ |
+ RefPtr<MediaQuerySet> m_mediaCondition; |
+ RefPtr<MediaValues> m_mediaValues; |
+ unsigned m_length; |
+}; |
+ |
+} // namespace |
+ |
+#endif |
+ |