2 * Copyright (C) 2011 Apple Inc. All rights reserved.
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
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26 #ifndef WebKitCSSFilterValue_h
27 #define WebKitCSSFilterValue_h
29 #if ENABLE(CSS_FILTERS)
31 #include "CSSValueList.h"
32 #include <wtf/PassRefPtr.h>
33 #include <wtf/RefPtr.h>
37 class WebKitCSSFilterValue : public CSSValueList {
39 // NOTE: these have to match the values in the IDL
40 enum FilterOperationType {
41 UnknownFilterOperation,
42 ReferenceFilterOperation,
43 GrayscaleFilterOperation,
45 SaturateFilterOperation,
46 HueRotateFilterOperation,
47 InvertFilterOperation,
48 OpacityFilterOperation,
51 SharpenFilterOperation,
52 DropShadowFilterOperation
53 #if ENABLE(CSS_SHADERS)
54 , CustomFilterOperation
58 static bool typeUsesSpaceSeparator(FilterOperationType);
60 static PassRefPtr<WebKitCSSFilterValue> create(FilterOperationType type)
62 return adoptRef(new WebKitCSSFilterValue(type));
65 String customCssText() const;
67 FilterOperationType operationType() const { return m_type; }
70 WebKitCSSFilterValue(FilterOperationType);
72 FilterOperationType m_type;
77 #endif // ENABLE(CSS_FILTERS)