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 WebKitCSSFilterValue_h 27#define WebKitCSSFilterValue_h 28 29#if ENABLE(CSS_FILTERS) 30 31#include "CSSValueList.h" 32#include <wtf/PassRefPtr.h> 33#include <wtf/RefPtr.h> 34 35namespace WebCore { 36 37class WebKitCSSFilterValue : public CSSValueList { 38public: 39 // NOTE: these have to match the values in the IDL 40 enum FilterOperationType { 41 UnknownFilterOperation, 42 ReferenceFilterOperation, 43 GrayscaleFilterOperation, 44 SepiaFilterOperation, 45 SaturateFilterOperation, 46 HueRotateFilterOperation, 47 InvertFilterOperation, 48 OpacityFilterOperation, 49 BrightnessFilterOperation, 50 ContrastFilterOperation, 51 BlurFilterOperation, 52 DropShadowFilterOperation 53#if ENABLE(CSS_SHADERS) 54 , CustomFilterOperation 55#endif 56 }; 57 58 static bool typeUsesSpaceSeparator(FilterOperationType); 59 60 static PassRefPtr<WebKitCSSFilterValue> create(FilterOperationType type) 61 { 62 return adoptRef(new WebKitCSSFilterValue(type)); 63 } 64 65 String customCssText() const; 66 67 FilterOperationType operationType() const { return m_type; } 68 69 PassRefPtr<WebKitCSSFilterValue> cloneForCSSOM() const; 70 71 bool equals(const WebKitCSSFilterValue&) const; 72 73private: 74 WebKitCSSFilterValue(FilterOperationType); 75 WebKitCSSFilterValue(const WebKitCSSFilterValue& cloneFrom); 76 77 FilterOperationType m_type; 78}; 79 80} 81 82#endif // ENABLE(CSS_FILTERS) 83 84#endif 85