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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 |
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35 | 35 |
36 CSSImageGeneratorValue::CSSImageGeneratorValue(ClassType classType) | 36 CSSImageGeneratorValue::CSSImageGeneratorValue(ClassType classType) |
37 : CSSValue(classType) | 37 : CSSValue(classType) |
38 { | 38 { |
39 } | 39 } |
40 | 40 |
41 CSSImageGeneratorValue::~CSSImageGeneratorValue() | 41 CSSImageGeneratorValue::~CSSImageGeneratorValue() |
42 { | 42 { |
43 } | 43 } |
44 | 44 |
45 void CSSImageGeneratorValue::addClient(RenderObject* renderer, const IntSize& si
ze) | 45 void CSSImageGeneratorValue::addClient(LayoutObject* renderer, const IntSize& si
ze) |
46 { | 46 { |
47 ASSERT(renderer); | 47 ASSERT(renderer); |
48 #if !ENABLE(OILPAN) | 48 #if !ENABLE(OILPAN) |
49 ref(); | 49 ref(); |
50 #else | 50 #else |
51 if (m_clients.isEmpty()) { | 51 if (m_clients.isEmpty()) { |
52 ASSERT(!m_keepAlive); | 52 ASSERT(!m_keepAlive); |
53 m_keepAlive = adoptPtr(new Persistent<CSSImageGeneratorValue>(this)); | 53 m_keepAlive = adoptPtr(new Persistent<CSSImageGeneratorValue>(this)); |
54 } | 54 } |
55 #endif | 55 #endif |
56 | 56 |
57 if (!size.isEmpty()) | 57 if (!size.isEmpty()) |
58 m_sizes.add(size); | 58 m_sizes.add(size); |
59 | 59 |
60 RenderObjectSizeCountMap::iterator it = m_clients.find(renderer); | 60 LayoutObjectSizeCountMap::iterator it = m_clients.find(renderer); |
61 if (it == m_clients.end()) | 61 if (it == m_clients.end()) |
62 m_clients.add(renderer, SizeAndCount(size, 1)); | 62 m_clients.add(renderer, SizeAndCount(size, 1)); |
63 else { | 63 else { |
64 SizeAndCount& sizeCount = it->value; | 64 SizeAndCount& sizeCount = it->value; |
65 ++sizeCount.count; | 65 ++sizeCount.count; |
66 } | 66 } |
67 } | 67 } |
68 | 68 |
69 void CSSImageGeneratorValue::removeClient(RenderObject* renderer) | 69 void CSSImageGeneratorValue::removeClient(LayoutObject* renderer) |
70 { | 70 { |
71 ASSERT(renderer); | 71 ASSERT(renderer); |
72 RenderObjectSizeCountMap::iterator it = m_clients.find(renderer); | 72 LayoutObjectSizeCountMap::iterator it = m_clients.find(renderer); |
73 ASSERT_WITH_SECURITY_IMPLICATION(it != m_clients.end()); | 73 ASSERT_WITH_SECURITY_IMPLICATION(it != m_clients.end()); |
74 | 74 |
75 IntSize removedImageSize; | 75 IntSize removedImageSize; |
76 SizeAndCount& sizeCount = it->value; | 76 SizeAndCount& sizeCount = it->value; |
77 IntSize size = sizeCount.size; | 77 IntSize size = sizeCount.size; |
78 if (!size.isEmpty()) { | 78 if (!size.isEmpty()) { |
79 m_sizes.remove(size); | 79 m_sizes.remove(size); |
80 if (!m_sizes.contains(size)) | 80 if (!m_sizes.contains(size)) |
81 m_images.remove(size); | 81 m_images.remove(size); |
82 } | 82 } |
83 | 83 |
84 if (!--sizeCount.count) | 84 if (!--sizeCount.count) |
85 m_clients.remove(renderer); | 85 m_clients.remove(renderer); |
86 | 86 |
87 #if !ENABLE(OILPAN) | 87 #if !ENABLE(OILPAN) |
88 deref(); | 88 deref(); |
89 #else | 89 #else |
90 if (m_clients.isEmpty()) { | 90 if (m_clients.isEmpty()) { |
91 ASSERT(m_keepAlive); | 91 ASSERT(m_keepAlive); |
92 m_keepAlive = nullptr; | 92 m_keepAlive = nullptr; |
93 } | 93 } |
94 #endif | 94 #endif |
95 } | 95 } |
96 | 96 |
97 Image* CSSImageGeneratorValue::getImage(RenderObject* renderer, const IntSize& s
ize) | 97 Image* CSSImageGeneratorValue::getImage(LayoutObject* renderer, const IntSize& s
ize) |
98 { | 98 { |
99 RenderObjectSizeCountMap::iterator it = m_clients.find(renderer); | 99 LayoutObjectSizeCountMap::iterator it = m_clients.find(renderer); |
100 if (it != m_clients.end()) { | 100 if (it != m_clients.end()) { |
101 SizeAndCount& sizeCount = it->value; | 101 SizeAndCount& sizeCount = it->value; |
102 IntSize oldSize = sizeCount.size; | 102 IntSize oldSize = sizeCount.size; |
103 if (oldSize != size) { | 103 if (oldSize != size) { |
104 #if !ENABLE_OILPAN | 104 #if !ENABLE_OILPAN |
105 RefPtr<CSSImageGeneratorValue> protect(this); | 105 RefPtr<CSSImageGeneratorValue> protect(this); |
106 #endif | 106 #endif |
107 removeClient(renderer); | 107 removeClient(renderer); |
108 addClient(renderer, size); | 108 addClient(renderer, size); |
109 } | 109 } |
110 } | 110 } |
111 | 111 |
112 // Don't generate an image for empty sizes. | 112 // Don't generate an image for empty sizes. |
113 if (size.isEmpty()) | 113 if (size.isEmpty()) |
114 return 0; | 114 return 0; |
115 | 115 |
116 // Look up the image in our cache. | 116 // Look up the image in our cache. |
117 return m_images.get(size); | 117 return m_images.get(size); |
118 } | 118 } |
119 | 119 |
120 void CSSImageGeneratorValue::putImage(const IntSize& size, PassRefPtr<Image> ima
ge) | 120 void CSSImageGeneratorValue::putImage(const IntSize& size, PassRefPtr<Image> ima
ge) |
121 { | 121 { |
122 m_images.add(size, image); | 122 m_images.add(size, image); |
123 } | 123 } |
124 | 124 |
125 PassRefPtr<Image> CSSImageGeneratorValue::image(RenderObject* renderer, const In
tSize& size) | 125 PassRefPtr<Image> CSSImageGeneratorValue::image(LayoutObject* renderer, const In
tSize& size) |
126 { | 126 { |
127 switch (classType()) { | 127 switch (classType()) { |
128 case CanvasClass: | 128 case CanvasClass: |
129 return toCSSCanvasValue(this)->image(renderer, size); | 129 return toCSSCanvasValue(this)->image(renderer, size); |
130 case CrossfadeClass: | 130 case CrossfadeClass: |
131 return toCSSCrossfadeValue(this)->image(renderer, size); | 131 return toCSSCrossfadeValue(this)->image(renderer, size); |
132 case LinearGradientClass: | 132 case LinearGradientClass: |
133 return toCSSLinearGradientValue(this)->image(renderer, size); | 133 return toCSSLinearGradientValue(this)->image(renderer, size); |
134 case RadialGradientClass: | 134 case RadialGradientClass: |
135 return toCSSRadialGradientValue(this)->image(renderer, size); | 135 return toCSSRadialGradientValue(this)->image(renderer, size); |
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149 case LinearGradientClass: | 149 case LinearGradientClass: |
150 return toCSSLinearGradientValue(this)->isFixedSize(); | 150 return toCSSLinearGradientValue(this)->isFixedSize(); |
151 case RadialGradientClass: | 151 case RadialGradientClass: |
152 return toCSSRadialGradientValue(this)->isFixedSize(); | 152 return toCSSRadialGradientValue(this)->isFixedSize(); |
153 default: | 153 default: |
154 ASSERT_NOT_REACHED(); | 154 ASSERT_NOT_REACHED(); |
155 } | 155 } |
156 return false; | 156 return false; |
157 } | 157 } |
158 | 158 |
159 IntSize CSSImageGeneratorValue::fixedSize(const RenderObject* renderer) | 159 IntSize CSSImageGeneratorValue::fixedSize(const LayoutObject* renderer) |
160 { | 160 { |
161 switch (classType()) { | 161 switch (classType()) { |
162 case CanvasClass: | 162 case CanvasClass: |
163 return toCSSCanvasValue(this)->fixedSize(renderer); | 163 return toCSSCanvasValue(this)->fixedSize(renderer); |
164 case CrossfadeClass: | 164 case CrossfadeClass: |
165 return toCSSCrossfadeValue(this)->fixedSize(renderer); | 165 return toCSSCrossfadeValue(this)->fixedSize(renderer); |
166 case LinearGradientClass: | 166 case LinearGradientClass: |
167 return toCSSLinearGradientValue(this)->fixedSize(renderer); | 167 return toCSSLinearGradientValue(this)->fixedSize(renderer); |
168 case RadialGradientClass: | 168 case RadialGradientClass: |
169 return toCSSRadialGradientValue(this)->fixedSize(renderer); | 169 return toCSSRadialGradientValue(this)->fixedSize(renderer); |
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183 case LinearGradientClass: | 183 case LinearGradientClass: |
184 return toCSSLinearGradientValue(this)->isPending(); | 184 return toCSSLinearGradientValue(this)->isPending(); |
185 case RadialGradientClass: | 185 case RadialGradientClass: |
186 return toCSSRadialGradientValue(this)->isPending(); | 186 return toCSSRadialGradientValue(this)->isPending(); |
187 default: | 187 default: |
188 ASSERT_NOT_REACHED(); | 188 ASSERT_NOT_REACHED(); |
189 } | 189 } |
190 return false; | 190 return false; |
191 } | 191 } |
192 | 192 |
193 bool CSSImageGeneratorValue::knownToBeOpaque(const RenderObject* renderer) const | 193 bool CSSImageGeneratorValue::knownToBeOpaque(const LayoutObject* renderer) const |
194 { | 194 { |
195 switch (classType()) { | 195 switch (classType()) { |
196 case CrossfadeClass: | 196 case CrossfadeClass: |
197 return toCSSCrossfadeValue(this)->knownToBeOpaque(renderer); | 197 return toCSSCrossfadeValue(this)->knownToBeOpaque(renderer); |
198 case CanvasClass: | 198 case CanvasClass: |
199 return false; | 199 return false; |
200 case LinearGradientClass: | 200 case LinearGradientClass: |
201 return toCSSLinearGradientValue(this)->knownToBeOpaque(renderer); | 201 return toCSSLinearGradientValue(this)->knownToBeOpaque(renderer); |
202 case RadialGradientClass: | 202 case RadialGradientClass: |
203 return toCSSRadialGradientValue(this)->knownToBeOpaque(renderer); | 203 return toCSSRadialGradientValue(this)->knownToBeOpaque(renderer); |
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221 break; | 221 break; |
222 case RadialGradientClass: | 222 case RadialGradientClass: |
223 toCSSRadialGradientValue(this)->loadSubimages(fetcher); | 223 toCSSRadialGradientValue(this)->loadSubimages(fetcher); |
224 break; | 224 break; |
225 default: | 225 default: |
226 ASSERT_NOT_REACHED(); | 226 ASSERT_NOT_REACHED(); |
227 } | 227 } |
228 } | 228 } |
229 | 229 |
230 } // namespace blink | 230 } // namespace blink |
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