1 /* 2 * Copyright (C) 2011 Apple Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26 #ifndef CSSFilterValue_h 27 #define CSSFilterValue_h 28 29 #include "core/css/CSSValueList.h" 30 #include "wtf/PassRefPtr.h" 31 32 namespace WebCore { 33 34 class CSSFilterValue : public CSSValueList { 35 public: 36 // NOTE: these have to match the values in the IDL 37 enum FilterOperationType { 38 UnknownFilterOperation, 39 ReferenceFilterOperation, 40 GrayscaleFilterOperation, 41 SepiaFilterOperation, 42 SaturateFilterOperation, 43 HueRotateFilterOperation, 44 InvertFilterOperation, 45 OpacityFilterOperation, 46 BrightnessFilterOperation, 47 ContrastFilterOperation, 48 BlurFilterOperation, 49 DropShadowFilterOperation, 50 CustomFilterOperation 51 }; 52 53 static bool typeUsesSpaceSeparator(FilterOperationType); 54 create(FilterOperationType type)55 static PassRefPtr<CSSFilterValue> create(FilterOperationType type) 56 { 57 return adoptRef(new CSSFilterValue(type)); 58 } 59 60 String customCSSText() const; 61 operationType()62 FilterOperationType operationType() const { return m_type; } 63 64 PassRefPtr<CSSFilterValue> cloneForCSSOM() const; 65 66 bool equals(const CSSFilterValue&) const; 67 68 private: 69 explicit CSSFilterValue(FilterOperationType); 70 explicit CSSFilterValue(const CSSFilterValue& cloneFrom); 71 72 FilterOperationType m_type; 73 }; 74 75 DEFINE_CSS_VALUE_TYPE_CASTS(CSSFilterValue, isFilterValue()); 76 77 } 78 79 80 #endif 81