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| 1 /* | 1 /* |
| 2 * Copyright (C) 2008 Apple Inc. All rights reserved. | 2 * Copyright (C) 2008 Apple Inc. All rights reserved. |
| 3 * | 3 * |
| 4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
| 5 * modification, are permitted provided that the following conditions | 5 * modification, are permitted provided that the following conditions |
| 6 * are met: | 6 * are met: |
| 7 * 1. Redistributions of source code must retain the above copyright | 7 * 1. Redistributions of source code must retain the above copyright |
| 8 * notice, this list of conditions and the following disclaimer. | 8 * notice, this list of conditions and the following disclaimer. |
| 9 * 2. Redistributions in binary form must reproduce the above copyright | 9 * 2. Redistributions in binary form must reproduce the above copyright |
| 10 * notice, this list of conditions and the following disclaimer in the | 10 * notice, this list of conditions and the following disclaimer in the |
| (...skipping 22 matching lines...) Expand all Loading... |
| 33 | 33 |
| 34 namespace blink { | 34 namespace blink { |
| 35 | 35 |
| 36 CSSImageGeneratorValue::CSSImageGeneratorValue(ClassType classType) | 36 CSSImageGeneratorValue::CSSImageGeneratorValue(ClassType classType) |
| 37 : CSSValue(classType) {} | 37 : CSSValue(classType) {} |
| 38 | 38 |
| 39 CSSImageGeneratorValue::~CSSImageGeneratorValue() {} | 39 CSSImageGeneratorValue::~CSSImageGeneratorValue() {} |
| 40 | 40 |
| 41 void CSSImageGeneratorValue::addClient(const LayoutObject* layoutObject, | 41 void CSSImageGeneratorValue::addClient(const LayoutObject* layoutObject, |
| 42 const IntSize& size) { | 42 const IntSize& size) { |
| 43 ASSERT(layoutObject); | 43 DCHECK(layoutObject); |
| 44 if (m_clients.isEmpty()) { | 44 if (m_clients.isEmpty()) { |
| 45 ASSERT(!m_keepAlive); | 45 DCHECK(!m_keepAlive); |
| 46 m_keepAlive = this; | 46 m_keepAlive = this; |
| 47 } | 47 } |
| 48 | 48 |
| 49 if (!size.isEmpty()) | 49 if (!size.isEmpty()) |
| 50 m_sizes.add(size); | 50 m_sizes.add(size); |
| 51 | 51 |
| 52 LayoutObjectSizeCountMap::iterator it = m_clients.find(layoutObject); | 52 LayoutObjectSizeCountMap::iterator it = m_clients.find(layoutObject); |
| 53 if (it == m_clients.end()) { | 53 if (it == m_clients.end()) { |
| 54 m_clients.insert(layoutObject, SizeAndCount(size, 1)); | 54 m_clients.insert(layoutObject, SizeAndCount(size, 1)); |
| 55 } else { | 55 } else { |
| 56 SizeAndCount& sizeCount = it->value; | 56 SizeAndCount& sizeCount = it->value; |
| 57 ++sizeCount.count; | 57 ++sizeCount.count; |
| 58 } | 58 } |
| 59 } | 59 } |
| 60 | 60 |
| 61 CSSImageGeneratorValue* CSSImageGeneratorValue::valueWithURLsMadeAbsolute() { | 61 CSSImageGeneratorValue* CSSImageGeneratorValue::valueWithURLsMadeAbsolute() { |
| 62 if (isCrossfadeValue()) | 62 if (isCrossfadeValue()) |
| 63 return toCSSCrossfadeValue(this)->valueWithURLsMadeAbsolute(); | 63 return toCSSCrossfadeValue(this)->valueWithURLsMadeAbsolute(); |
| 64 return this; | 64 return this; |
| 65 } | 65 } |
| 66 | 66 |
| 67 void CSSImageGeneratorValue::removeClient(const LayoutObject* layoutObject) { | 67 void CSSImageGeneratorValue::removeClient(const LayoutObject* layoutObject) { |
| 68 ASSERT(layoutObject); | 68 DCHECK(layoutObject); |
| 69 LayoutObjectSizeCountMap::iterator it = m_clients.find(layoutObject); | 69 LayoutObjectSizeCountMap::iterator it = m_clients.find(layoutObject); |
| 70 SECURITY_DCHECK(it != m_clients.end()); | 70 SECURITY_DCHECK(it != m_clients.end()); |
| 71 | 71 |
| 72 IntSize removedImageSize; | 72 IntSize removedImageSize; |
| 73 SizeAndCount& sizeCount = it->value; | 73 SizeAndCount& sizeCount = it->value; |
| 74 IntSize size = sizeCount.size; | 74 IntSize size = sizeCount.size; |
| 75 if (!size.isEmpty()) { | 75 if (!size.isEmpty()) { |
| 76 m_sizes.remove(size); | 76 m_sizes.remove(size); |
| 77 if (!m_sizes.contains(size)) | 77 if (!m_sizes.contains(size)) |
| 78 m_images.erase(size); | 78 m_images.erase(size); |
| 79 } | 79 } |
| 80 | 80 |
| 81 if (!--sizeCount.count) | 81 if (!--sizeCount.count) |
| 82 m_clients.erase(layoutObject); | 82 m_clients.erase(layoutObject); |
| 83 | 83 |
| 84 if (m_clients.isEmpty()) { | 84 if (m_clients.isEmpty()) { |
| 85 ASSERT(m_keepAlive); | 85 DCHECK(m_keepAlive); |
| 86 m_keepAlive.clear(); | 86 m_keepAlive.clear(); |
| 87 } | 87 } |
| 88 } | 88 } |
| 89 | 89 |
| 90 Image* CSSImageGeneratorValue::getImage(const LayoutObject* layoutObject, | 90 Image* CSSImageGeneratorValue::getImage(const LayoutObject* layoutObject, |
| 91 const IntSize& size) { | 91 const IntSize& size) { |
| 92 LayoutObjectSizeCountMap::iterator it = m_clients.find(layoutObject); | 92 LayoutObjectSizeCountMap::iterator it = m_clients.find(layoutObject); |
| 93 if (it != m_clients.end()) { | 93 if (it != m_clients.end()) { |
| 94 SizeAndCount& sizeCount = it->value; | 94 SizeAndCount& sizeCount = it->value; |
| 95 IntSize oldSize = sizeCount.size; | 95 IntSize oldSize = sizeCount.size; |
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| 119 switch (getClassType()) { | 119 switch (getClassType()) { |
| 120 case CrossfadeClass: | 120 case CrossfadeClass: |
| 121 return toCSSCrossfadeValue(this)->image(layoutObject, size); | 121 return toCSSCrossfadeValue(this)->image(layoutObject, size); |
| 122 case LinearGradientClass: | 122 case LinearGradientClass: |
| 123 return toCSSLinearGradientValue(this)->image(layoutObject, size); | 123 return toCSSLinearGradientValue(this)->image(layoutObject, size); |
| 124 case PaintClass: | 124 case PaintClass: |
| 125 return toCSSPaintValue(this)->image(layoutObject, size, zoom); | 125 return toCSSPaintValue(this)->image(layoutObject, size, zoom); |
| 126 case RadialGradientClass: | 126 case RadialGradientClass: |
| 127 return toCSSRadialGradientValue(this)->image(layoutObject, size); | 127 return toCSSRadialGradientValue(this)->image(layoutObject, size); |
| 128 default: | 128 default: |
| 129 ASSERT_NOT_REACHED(); | 129 NOTREACHED(); |
| 130 } | 130 } |
| 131 return nullptr; | 131 return nullptr; |
| 132 } | 132 } |
| 133 | 133 |
| 134 bool CSSImageGeneratorValue::isFixedSize() const { | 134 bool CSSImageGeneratorValue::isFixedSize() const { |
| 135 switch (getClassType()) { | 135 switch (getClassType()) { |
| 136 case CrossfadeClass: | 136 case CrossfadeClass: |
| 137 return toCSSCrossfadeValue(this)->isFixedSize(); | 137 return toCSSCrossfadeValue(this)->isFixedSize(); |
| 138 case LinearGradientClass: | 138 case LinearGradientClass: |
| 139 return toCSSLinearGradientValue(this)->isFixedSize(); | 139 return toCSSLinearGradientValue(this)->isFixedSize(); |
| 140 case PaintClass: | 140 case PaintClass: |
| 141 return toCSSPaintValue(this)->isFixedSize(); | 141 return toCSSPaintValue(this)->isFixedSize(); |
| 142 case RadialGradientClass: | 142 case RadialGradientClass: |
| 143 return toCSSRadialGradientValue(this)->isFixedSize(); | 143 return toCSSRadialGradientValue(this)->isFixedSize(); |
| 144 default: | 144 default: |
| 145 ASSERT_NOT_REACHED(); | 145 NOTREACHED(); |
| 146 } | 146 } |
| 147 return false; | 147 return false; |
| 148 } | 148 } |
| 149 | 149 |
| 150 IntSize CSSImageGeneratorValue::fixedSize(const LayoutObject& layoutObject, | 150 IntSize CSSImageGeneratorValue::fixedSize(const LayoutObject& layoutObject, |
| 151 const FloatSize& defaultObjectSize) { | 151 const FloatSize& defaultObjectSize) { |
| 152 switch (getClassType()) { | 152 switch (getClassType()) { |
| 153 case CrossfadeClass: | 153 case CrossfadeClass: |
| 154 return toCSSCrossfadeValue(this)->fixedSize(layoutObject, | 154 return toCSSCrossfadeValue(this)->fixedSize(layoutObject, |
| 155 defaultObjectSize); | 155 defaultObjectSize); |
| 156 case LinearGradientClass: | 156 case LinearGradientClass: |
| 157 return toCSSLinearGradientValue(this)->fixedSize(layoutObject); | 157 return toCSSLinearGradientValue(this)->fixedSize(layoutObject); |
| 158 case PaintClass: | 158 case PaintClass: |
| 159 return toCSSPaintValue(this)->fixedSize(layoutObject); | 159 return toCSSPaintValue(this)->fixedSize(layoutObject); |
| 160 case RadialGradientClass: | 160 case RadialGradientClass: |
| 161 return toCSSRadialGradientValue(this)->fixedSize(layoutObject); | 161 return toCSSRadialGradientValue(this)->fixedSize(layoutObject); |
| 162 default: | 162 default: |
| 163 ASSERT_NOT_REACHED(); | 163 NOTREACHED(); |
| 164 } | 164 } |
| 165 return IntSize(); | 165 return IntSize(); |
| 166 } | 166 } |
| 167 | 167 |
| 168 bool CSSImageGeneratorValue::isPending() const { | 168 bool CSSImageGeneratorValue::isPending() const { |
| 169 switch (getClassType()) { | 169 switch (getClassType()) { |
| 170 case CrossfadeClass: | 170 case CrossfadeClass: |
| 171 return toCSSCrossfadeValue(this)->isPending(); | 171 return toCSSCrossfadeValue(this)->isPending(); |
| 172 case LinearGradientClass: | 172 case LinearGradientClass: |
| 173 return toCSSLinearGradientValue(this)->isPending(); | 173 return toCSSLinearGradientValue(this)->isPending(); |
| 174 case PaintClass: | 174 case PaintClass: |
| 175 return toCSSPaintValue(this)->isPending(); | 175 return toCSSPaintValue(this)->isPending(); |
| 176 case RadialGradientClass: | 176 case RadialGradientClass: |
| 177 return toCSSRadialGradientValue(this)->isPending(); | 177 return toCSSRadialGradientValue(this)->isPending(); |
| 178 default: | 178 default: |
| 179 ASSERT_NOT_REACHED(); | 179 NOTREACHED(); |
| 180 } | 180 } |
| 181 return false; | 181 return false; |
| 182 } | 182 } |
| 183 | 183 |
| 184 bool CSSImageGeneratorValue::knownToBeOpaque( | 184 bool CSSImageGeneratorValue::knownToBeOpaque( |
| 185 const LayoutObject& layoutObject) const { | 185 const LayoutObject& layoutObject) const { |
| 186 switch (getClassType()) { | 186 switch (getClassType()) { |
| 187 case CrossfadeClass: | 187 case CrossfadeClass: |
| 188 return toCSSCrossfadeValue(this)->knownToBeOpaque(layoutObject); | 188 return toCSSCrossfadeValue(this)->knownToBeOpaque(layoutObject); |
| 189 case LinearGradientClass: | 189 case LinearGradientClass: |
| 190 return toCSSLinearGradientValue(this)->knownToBeOpaque(layoutObject); | 190 return toCSSLinearGradientValue(this)->knownToBeOpaque(layoutObject); |
| 191 case PaintClass: | 191 case PaintClass: |
| 192 return toCSSPaintValue(this)->knownToBeOpaque(layoutObject); | 192 return toCSSPaintValue(this)->knownToBeOpaque(layoutObject); |
| 193 case RadialGradientClass: | 193 case RadialGradientClass: |
| 194 return toCSSRadialGradientValue(this)->knownToBeOpaque(layoutObject); | 194 return toCSSRadialGradientValue(this)->knownToBeOpaque(layoutObject); |
| 195 default: | 195 default: |
| 196 ASSERT_NOT_REACHED(); | 196 NOTREACHED(); |
| 197 } | 197 } |
| 198 return false; | 198 return false; |
| 199 } | 199 } |
| 200 | 200 |
| 201 void CSSImageGeneratorValue::loadSubimages(const Document& document) { | 201 void CSSImageGeneratorValue::loadSubimages(const Document& document) { |
| 202 switch (getClassType()) { | 202 switch (getClassType()) { |
| 203 case CrossfadeClass: | 203 case CrossfadeClass: |
| 204 toCSSCrossfadeValue(this)->loadSubimages(document); | 204 toCSSCrossfadeValue(this)->loadSubimages(document); |
| 205 break; | 205 break; |
| 206 case LinearGradientClass: | 206 case LinearGradientClass: |
| 207 toCSSLinearGradientValue(this)->loadSubimages(document); | 207 toCSSLinearGradientValue(this)->loadSubimages(document); |
| 208 break; | 208 break; |
| 209 case PaintClass: | 209 case PaintClass: |
| 210 toCSSPaintValue(this)->loadSubimages(document); | 210 toCSSPaintValue(this)->loadSubimages(document); |
| 211 break; | 211 break; |
| 212 case RadialGradientClass: | 212 case RadialGradientClass: |
| 213 toCSSRadialGradientValue(this)->loadSubimages(document); | 213 toCSSRadialGradientValue(this)->loadSubimages(document); |
| 214 break; | 214 break; |
| 215 default: | 215 default: |
| 216 ASSERT_NOT_REACHED(); | 216 NOTREACHED(); |
| 217 } | 217 } |
| 218 } | 218 } |
| 219 | 219 |
| 220 } // namespace blink | 220 } // namespace blink |
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