1/* 2 * Copyright (C) 2011, 2013 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#include "config.h" 27#include "WebKitCSSFilterValue.h" 28 29#if ENABLE(CSS_FILTERS) 30 31#include "CSSValueList.h" 32#include <wtf/PassRefPtr.h> 33#include <wtf/text/WTFString.h> 34 35namespace WebCore { 36 37WebKitCSSFilterValue::WebKitCSSFilterValue(FilterOperationType operationType) 38 : CSSValueList(WebKitCSSFilterClass, typeUsesSpaceSeparator(operationType) ? SpaceSeparator : CommaSeparator) 39 , m_type(operationType) 40{ 41} 42 43bool WebKitCSSFilterValue::typeUsesSpaceSeparator(FilterOperationType operationType) 44{ 45#if ENABLE(CSS_SHADERS) 46 return operationType != CustomFilterOperation; 47#else 48 UNUSED_PARAM(operationType); 49 return true; 50#endif 51} 52 53String WebKitCSSFilterValue::customCssText() const 54{ 55 const char* result = ""; 56 switch (m_type) { 57 case UnknownFilterOperation: 58 result = ""; 59 break; 60 case ReferenceFilterOperation: 61 result = "url("; 62 break; 63 case GrayscaleFilterOperation: 64 result = "grayscale("; 65 break; 66 case SepiaFilterOperation: 67 result = "sepia("; 68 break; 69 case SaturateFilterOperation: 70 result = "saturate("; 71 break; 72 case HueRotateFilterOperation: 73 result = "hue-rotate("; 74 break; 75 case InvertFilterOperation: 76 result = "invert("; 77 break; 78 case OpacityFilterOperation: 79 result = "opacity("; 80 break; 81 case BrightnessFilterOperation: 82 result = "brightness("; 83 break; 84 case ContrastFilterOperation: 85 result = "contrast("; 86 break; 87 case BlurFilterOperation: 88 result = "blur("; 89 break; 90 case DropShadowFilterOperation: 91 result = "drop-shadow("; 92 break; 93#if ENABLE(CSS_SHADERS) 94 case CustomFilterOperation: 95 result = "custom("; 96 break; 97#endif 98 } 99 100 return result + CSSValueList::customCssText() + ')'; 101} 102 103WebKitCSSFilterValue::WebKitCSSFilterValue(const WebKitCSSFilterValue& cloneFrom) 104 : CSSValueList(cloneFrom) 105 , m_type(cloneFrom.m_type) 106{ 107} 108 109PassRefPtr<WebKitCSSFilterValue> WebKitCSSFilterValue::cloneForCSSOM() const 110{ 111 return adoptRef(new WebKitCSSFilterValue(*this)); 112} 113 114bool WebKitCSSFilterValue::equals(const WebKitCSSFilterValue& other) const 115{ 116 return m_type == other.m_type && CSSValueList::equals(other); 117} 118 119} 120 121#endif // ENABLE(CSS_FILTERS) 122