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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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28 | 28 |
29 #include "core/css/CSSValue.h" | 29 #include "core/css/CSSValue.h" |
30 #include "platform/geometry/IntSizeHash.h" | 30 #include "platform/geometry/IntSizeHash.h" |
31 #include "wtf/HashCountedSet.h" | 31 #include "wtf/HashCountedSet.h" |
32 #include "wtf/RefPtr.h" | 32 #include "wtf/RefPtr.h" |
33 | 33 |
34 namespace blink { | 34 namespace blink { |
35 | 35 |
36 class ResourceFetcher; | 36 class ResourceFetcher; |
37 class Image; | 37 class Image; |
38 class RenderObject; | 38 class LayoutObject; |
39 | 39 |
40 struct SizeAndCount { | 40 struct SizeAndCount { |
41 SizeAndCount(IntSize newSize = IntSize(), int newCount = 0) | 41 SizeAndCount(IntSize newSize = IntSize(), int newCount = 0) |
42 : size(newSize) | 42 : size(newSize) |
43 , count(newCount) | 43 , count(newCount) |
44 { | 44 { |
45 } | 45 } |
46 | 46 |
47 IntSize size; | 47 IntSize size; |
48 int count; | 48 int count; |
49 }; | 49 }; |
50 | 50 |
51 typedef HashMap<const RenderObject*, SizeAndCount> RenderObjectSizeCountMap; | 51 typedef HashMap<const LayoutObject*, SizeAndCount> LayoutObjectSizeCountMap; |
52 | 52 |
53 class CSSImageGeneratorValue : public CSSValue { | 53 class CSSImageGeneratorValue : public CSSValue { |
54 public: | 54 public: |
55 ~CSSImageGeneratorValue(); | 55 ~CSSImageGeneratorValue(); |
56 | 56 |
57 void addClient(RenderObject*, const IntSize&); | 57 void addClient(LayoutObject*, const IntSize&); |
58 void removeClient(RenderObject*); | 58 void removeClient(LayoutObject*); |
59 PassRefPtr<Image> image(RenderObject*, const IntSize&); | 59 PassRefPtr<Image> image(LayoutObject*, const IntSize&); |
60 | 60 |
61 bool isFixedSize() const; | 61 bool isFixedSize() const; |
62 IntSize fixedSize(const RenderObject*); | 62 IntSize fixedSize(const LayoutObject*); |
63 | 63 |
64 bool isPending() const; | 64 bool isPending() const; |
65 bool knownToBeOpaque(const RenderObject*) const; | 65 bool knownToBeOpaque(const LayoutObject*) const; |
66 | 66 |
67 void loadSubimages(ResourceFetcher*); | 67 void loadSubimages(ResourceFetcher*); |
68 | 68 |
69 void traceAfterDispatch(Visitor* visitor) { CSSValue::traceAfterDispatch(vis
itor); } | 69 void traceAfterDispatch(Visitor* visitor) { CSSValue::traceAfterDispatch(vis
itor); } |
70 | 70 |
71 protected: | 71 protected: |
72 explicit CSSImageGeneratorValue(ClassType); | 72 explicit CSSImageGeneratorValue(ClassType); |
73 | 73 |
74 Image* getImage(RenderObject*, const IntSize&); | 74 Image* getImage(LayoutObject*, const IntSize&); |
75 void putImage(const IntSize&, PassRefPtr<Image>); | 75 void putImage(const IntSize&, PassRefPtr<Image>); |
76 const RenderObjectSizeCountMap& clients() const { return m_clients; } | 76 const LayoutObjectSizeCountMap& clients() const { return m_clients; } |
77 | 77 |
78 HashCountedSet<IntSize> m_sizes; // A count of how many times a given image
size is in use. | 78 HashCountedSet<IntSize> m_sizes; // A count of how many times a given image
size is in use. |
79 RenderObjectSizeCountMap m_clients; // A map from RenderObjects (with entry
count) to image sizes. | 79 LayoutObjectSizeCountMap m_clients; // A map from LayoutObjects (with entry
count) to image sizes. |
80 HashMap<IntSize, RefPtr<Image> > m_images; // A cache of Image objects by im
age size. | 80 HashMap<IntSize, RefPtr<Image> > m_images; // A cache of Image objects by im
age size. |
81 | 81 |
82 #if ENABLE(OILPAN) | 82 #if ENABLE(OILPAN) |
83 // FIXME: Oilpan: when/if we can make the renderer point directly to the CSS
ImageGenerator value using | 83 // FIXME: Oilpan: when/if we can make the renderer point directly to the CSS
ImageGenerator value using |
84 // a member we don't need to have this hack where we keep a persistent to th
e instance as long as | 84 // a member we don't need to have this hack where we keep a persistent to th
e instance as long as |
85 // there are clients in the RenderObjectSizeCountMap. | 85 // there are clients in the LayoutObjectSizeCountMap. |
86 GC_PLUGIN_IGNORE("366546") | 86 GC_PLUGIN_IGNORE("366546") |
87 OwnPtr<Persistent<CSSImageGeneratorValue> > m_keepAlive; | 87 OwnPtr<Persistent<CSSImageGeneratorValue> > m_keepAlive; |
88 #endif | 88 #endif |
89 }; | 89 }; |
90 | 90 |
91 DEFINE_CSS_VALUE_TYPE_CASTS(CSSImageGeneratorValue, isImageGeneratorValue()); | 91 DEFINE_CSS_VALUE_TYPE_CASTS(CSSImageGeneratorValue, isImageGeneratorValue()); |
92 | 92 |
93 } // namespace blink | 93 } // namespace blink |
94 | 94 |
95 #endif // CSSImageGeneratorValue_h | 95 #endif // CSSImageGeneratorValue_h |
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