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1 /* | 1 /* |
2 * Copyright (C) 2011 Apple Inc. All rights reserved. | 2 * Copyright (C) 2011 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 namespace blink { | 36 namespace blink { |
37 | 37 |
38 class ImageResource; | 38 class ImageResource; |
39 class CrossfadeSubimageObserverProxy; | 39 class CrossfadeSubimageObserverProxy; |
40 class LayoutObject; | 40 class LayoutObject; |
41 | 41 |
42 class CSSCrossfadeValue final : public CSSImageGeneratorValue { | 42 class CSSCrossfadeValue final : public CSSImageGeneratorValue { |
43 friend class CrossfadeSubimageObserverProxy; | 43 friend class CrossfadeSubimageObserverProxy; |
44 public: | 44 public: |
45 static PassRefPtrWillBeRawPtr<CSSCrossfadeValue> create(PassRefPtrWillBeRawP
tr<CSSValue> fromValue, PassRefPtrWillBeRawPtr<CSSValue> toValue) | 45 static PassRefPtr<CSSCrossfadeValue> create(PassRefPtr<CSSValue> fromValue,
PassRefPtr<CSSValue> toValue) |
46 { | 46 { |
47 return adoptRefWillBeNoop(new CSSCrossfadeValue(fromValue, toValue)); | 47 return adoptRef(new CSSCrossfadeValue(fromValue, toValue)); |
48 } | 48 } |
49 | 49 |
50 ~CSSCrossfadeValue(); | 50 ~CSSCrossfadeValue(); |
51 | 51 |
52 String customCSSText() const; | 52 String customCSSText() const; |
53 | 53 |
54 PassRefPtr<Image> image(LayoutObject*, const IntSize&); | 54 PassRefPtr<Image> image(LayoutObject*, const IntSize&); |
55 bool isFixedSize() const { return true; } | 55 bool isFixedSize() const { return true; } |
56 IntSize fixedSize(const LayoutObject*); | 56 IntSize fixedSize(const LayoutObject*); |
57 | 57 |
58 bool isPending() const; | 58 bool isPending() const; |
59 bool knownToBeOpaque(const LayoutObject*) const; | 59 bool knownToBeOpaque(const LayoutObject*) const; |
60 | 60 |
61 void loadSubimages(Document*); | 61 void loadSubimages(Document*); |
62 | 62 |
63 void setPercentage(PassRefPtrWillBeRawPtr<CSSPrimitiveValue> percentageValue
) { m_percentageValue = percentageValue; } | 63 void setPercentage(PassRefPtr<CSSPrimitiveValue> percentageValue) { m_percen
tageValue = percentageValue; } |
64 | 64 |
65 bool hasFailedOrCanceledSubresources() const; | 65 bool hasFailedOrCanceledSubresources() const; |
66 | 66 |
67 bool equals(const CSSCrossfadeValue&) const; | 67 bool equals(const CSSCrossfadeValue&) const; |
68 | 68 |
69 // Promptly remove as a ImageResource client. | |
70 EAGERLY_FINALIZE(); | |
71 #if ENABLE(OILPAN) | |
72 DECLARE_EAGER_FINALIZATION_OPERATOR_NEW(); | |
73 #endif | |
74 DECLARE_TRACE_AFTER_DISPATCH(); | |
75 | |
76 private: | 69 private: |
77 CSSCrossfadeValue(PassRefPtrWillBeRawPtr<CSSValue> fromValue, PassRefPtrWill
BeRawPtr<CSSValue> toValue) | 70 CSSCrossfadeValue(PassRefPtr<CSSValue> fromValue, PassRefPtr<CSSValue> toVal
ue) |
78 : CSSImageGeneratorValue(CrossfadeClass) | 71 : CSSImageGeneratorValue(CrossfadeClass) |
79 , m_fromValue(fromValue) | 72 , m_fromValue(fromValue) |
80 , m_toValue(toValue) | 73 , m_toValue(toValue) |
81 , m_cachedFromImage(0) | 74 , m_cachedFromImage(0) |
82 , m_cachedToImage(0) | 75 , m_cachedToImage(0) |
83 , m_crossfadeSubimageObserver(this) { } | 76 , m_crossfadeSubimageObserver(this) { } |
84 | 77 |
85 class CrossfadeSubimageObserverProxy final : public ImageResourceClient { | 78 class CrossfadeSubimageObserverProxy final : public ImageResourceClient { |
86 DISALLOW_ALLOCATION(); | 79 DISALLOW_ALLOCATION(); |
87 public: | 80 public: |
88 explicit CrossfadeSubimageObserverProxy(CSSCrossfadeValue* ownerValue) | 81 explicit CrossfadeSubimageObserverProxy(CSSCrossfadeValue* ownerValue) |
89 : m_ownerValue(ownerValue) | 82 : m_ownerValue(ownerValue) |
90 , m_ready(false) { } | 83 , m_ready(false) { } |
91 | 84 |
92 ~CrossfadeSubimageObserverProxy() override { } | 85 ~CrossfadeSubimageObserverProxy() override { } |
93 DEFINE_INLINE_TRACE() | |
94 { | |
95 visitor->trace(m_ownerValue); | |
96 } | |
97 | 86 |
98 void imageChanged(ImageResource*, const IntRect* = nullptr) override; | 87 void imageChanged(ImageResource*, const IntRect* = nullptr) override; |
99 void setReady(bool ready) { m_ready = ready; } | 88 void setReady(bool ready) { m_ready = ready; } |
100 private: | 89 private: |
101 RawPtrWillBeMember<CSSCrossfadeValue> m_ownerValue; | 90 RawPtr<CSSCrossfadeValue> m_ownerValue; |
102 bool m_ready; | 91 bool m_ready; |
103 }; | 92 }; |
104 | 93 |
105 void crossfadeChanged(const IntRect&); | 94 void crossfadeChanged(const IntRect&); |
106 | 95 |
107 RefPtrWillBeMember<CSSValue> m_fromValue; | 96 RefPtr<CSSValue> m_fromValue; |
108 RefPtrWillBeMember<CSSValue> m_toValue; | 97 RefPtr<CSSValue> m_toValue; |
109 RefPtrWillBeMember<CSSPrimitiveValue> m_percentageValue; | 98 RefPtr<CSSPrimitiveValue> m_percentageValue; |
110 | 99 |
111 ResourcePtr<ImageResource> m_cachedFromImage; | 100 ResourcePtr<ImageResource> m_cachedFromImage; |
112 ResourcePtr<ImageResource> m_cachedToImage; | 101 ResourcePtr<ImageResource> m_cachedToImage; |
113 | 102 |
114 RefPtr<Image> m_generatedImage; | 103 RefPtr<Image> m_generatedImage; |
115 | 104 |
116 CrossfadeSubimageObserverProxy m_crossfadeSubimageObserver; | 105 CrossfadeSubimageObserverProxy m_crossfadeSubimageObserver; |
117 }; | 106 }; |
118 | 107 |
119 DEFINE_CSS_VALUE_TYPE_CASTS(CSSCrossfadeValue, isCrossfadeValue()); | 108 DEFINE_CSS_VALUE_TYPE_CASTS(CSSCrossfadeValue, isCrossfadeValue()); |
120 | 109 |
121 } // namespace blink | 110 } // namespace blink |
122 | 111 |
123 #endif // CSSCrossfadeValue_h | 112 #endif // CSSCrossfadeValue_h |
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