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| 1 /* | |
| 2 * Copyright (C) 2012 Adobe Systems Incorporated. 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 * | |
| 8 * 1. Redistributions of source code must retain the above | |
| 9 * copyright notice, this list of conditions and the following | |
| 10 * disclaimer. | |
| 11 * 2. Redistributions in binary form must reproduce the above | |
| 12 * copyright notice, this list of conditions and the following | |
| 13 * disclaimer in the documentation and/or other materials | |
| 14 * provided with the distribution. | |
| 15 * | |
| 16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER "AS IS" AND ANY | |
| 17 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
| 19 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE | |
| 20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, | |
| 21 * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | |
| 22 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | |
| 23 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
| 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR | |
| 25 * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF | |
| 26 * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
| 27 * SUCH DAMAGE. | |
| 28 */ | |
| 29 | |
| 30 #ifndef ShapeValue_h | |
| 31 #define ShapeValue_h | |
| 32 | |
| 33 #include "core/fetch/ImageResource.h" | |
| 34 #include "core/layout/style/BasicShapes.h" | |
| 35 #include "core/layout/style/DataEquivalency.h" | |
| 36 #include "core/layout/style/ComputedStyleConstants.h" | |
| 37 #include "core/layout/style/StyleImage.h" | |
| 38 #include "wtf/PassRefPtr.h" | |
| 39 | |
| 40 namespace blink { | |
| 41 | |
| 42 class ShapeValue : public RefCounted<ShapeValue> { | |
| 43 public: | |
| 44 enum ShapeValueType { | |
| 45 // The Auto value is defined by a null ShapeValue* | |
| 46 Shape, | |
| 47 Box, | |
| 48 Image | |
| 49 }; | |
| 50 | |
| 51 static PassRefPtr<ShapeValue> createShapeValue(PassRefPtr<BasicShape> shape,
CSSBoxType cssBox) | |
| 52 { | |
| 53 return adoptRef(new ShapeValue(shape, cssBox)); | |
| 54 } | |
| 55 | |
| 56 static PassRefPtr<ShapeValue> createBoxShapeValue(CSSBoxType cssBox) | |
| 57 { | |
| 58 return adoptRef(new ShapeValue(cssBox)); | |
| 59 } | |
| 60 | |
| 61 static PassRefPtr<ShapeValue> createImageValue(PassRefPtr<StyleImage> image) | |
| 62 { | |
| 63 return adoptRef(new ShapeValue(image)); | |
| 64 } | |
| 65 | |
| 66 ShapeValueType type() const { return m_type; } | |
| 67 BasicShape* shape() const { return m_shape.get(); } | |
| 68 | |
| 69 StyleImage* image() const { return m_image.get(); } | |
| 70 bool isImageValid() const | |
| 71 { | |
| 72 if (!image()) | |
| 73 return false; | |
| 74 if (image()->isImageResource() || image()->isImageResourceSet()) | |
| 75 return image()->cachedImage() && image()->cachedImage()->hasImage(); | |
| 76 return image()->isGeneratedImage(); | |
| 77 } | |
| 78 void setImage(PassRefPtr<StyleImage> image) | |
| 79 { | |
| 80 ASSERT(type() == Image); | |
| 81 if (m_image != image) | |
| 82 m_image = image; | |
| 83 } | |
| 84 CSSBoxType cssBox() const { return m_cssBox; } | |
| 85 | |
| 86 bool operator==(const ShapeValue& other) const; | |
| 87 | |
| 88 private: | |
| 89 ShapeValue(PassRefPtr<BasicShape> shape, CSSBoxType cssBox) | |
| 90 : m_type(Shape) | |
| 91 , m_shape(shape) | |
| 92 , m_cssBox(cssBox) | |
| 93 { | |
| 94 } | |
| 95 ShapeValue(ShapeValueType type) | |
| 96 : m_type(type) | |
| 97 , m_cssBox(BoxMissing) | |
| 98 { | |
| 99 } | |
| 100 ShapeValue(PassRefPtr<StyleImage> image) | |
| 101 : m_type(Image) | |
| 102 , m_image(image) | |
| 103 , m_cssBox(ContentBox) | |
| 104 { | |
| 105 } | |
| 106 ShapeValue(CSSBoxType cssBox) | |
| 107 : m_type(Box) | |
| 108 , m_cssBox(cssBox) | |
| 109 { | |
| 110 } | |
| 111 | |
| 112 | |
| 113 ShapeValueType m_type; | |
| 114 RefPtr<BasicShape> m_shape; | |
| 115 RefPtr<StyleImage> m_image; | |
| 116 CSSBoxType m_cssBox; | |
| 117 }; | |
| 118 | |
| 119 inline bool ShapeValue::operator==(const ShapeValue& other) const | |
| 120 { | |
| 121 if (type() != other.type()) | |
| 122 return false; | |
| 123 | |
| 124 switch (type()) { | |
| 125 case Shape: | |
| 126 return dataEquivalent(shape(), other.shape()) && cssBox() == other.cssBo
x(); | |
| 127 case Box: | |
| 128 return cssBox() == other.cssBox(); | |
| 129 case Image: | |
| 130 return dataEquivalent(image(), other.image()); | |
| 131 } | |
| 132 | |
| 133 ASSERT_NOT_REACHED(); | |
| 134 return false; | |
| 135 } | |
| 136 | |
| 137 } | |
| 138 | |
| 139 #endif | |
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Chromium Code Reviews
Issue 1045723009:
Move core/layout/style to core/style (Closed)
Base URL: svn://svn.chromium.org/blink/trunk