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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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80 void putImage(const IntSize&, PassRefPtr<Image>); | 80 void putImage(const IntSize&, PassRefPtr<Image>); |
81 const LayoutObjectSizeCountMap& clients() const { return m_clients; } | 81 const LayoutObjectSizeCountMap& clients() const { return m_clients; } |
82 | 82 |
83 HashCountedSet<IntSize> | 83 HashCountedSet<IntSize> |
84 m_sizes; // A count of how many times a given image size is in use. | 84 m_sizes; // A count of how many times a given image size is in use. |
85 LayoutObjectSizeCountMap | 85 LayoutObjectSizeCountMap |
86 m_clients; // A map from LayoutObjects (with entry count) to image sizes. | 86 m_clients; // A map from LayoutObjects (with entry count) to image sizes. |
87 HashMap<IntSize, RefPtr<Image>> | 87 HashMap<IntSize, RefPtr<Image>> |
88 m_images; // A cache of Image objects by image size. | 88 m_images; // A cache of Image objects by image size. |
89 | 89 |
90 // TODO(Oilpan): when/if we can make the layoutObject point directly to the CS
SImageGenerator value using | 90 // TODO(Oilpan): when/if we can make the layoutObject point directly to the |
91 // a member we don't need to have this hack where we keep a persistent to the
instance as long as | 91 // CSSImageGenerator value using a member we don't need to have this hack |
92 // there are clients in the LayoutObjectSizeCountMap. | 92 // where we keep a persistent to the instance as long as there are clients in |
| 93 // the LayoutObjectSizeCountMap. |
93 SelfKeepAlive<CSSImageGeneratorValue> m_keepAlive; | 94 SelfKeepAlive<CSSImageGeneratorValue> m_keepAlive; |
94 }; | 95 }; |
95 | 96 |
96 DEFINE_CSS_VALUE_TYPE_CASTS(CSSImageGeneratorValue, isImageGeneratorValue()); | 97 DEFINE_CSS_VALUE_TYPE_CASTS(CSSImageGeneratorValue, isImageGeneratorValue()); |
97 | 98 |
98 } // namespace blink | 99 } // namespace blink |
99 | 100 |
100 #endif // CSSImageGeneratorValue_h | 101 #endif // CSSImageGeneratorValue_h |
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