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1 /* | 1 /* |
2 * Copyright (C) 2012 Apple Inc. All rights reserved. | 2 * Copyright (C) 2012 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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56 bool isPending() const { return !m_accessedBestFitImage; } | 56 bool isPending() const { return !m_accessedBestFitImage; } |
57 | 57 |
58 struct ImageWithScale { | 58 struct ImageWithScale { |
59 String imageURL; | 59 String imageURL; |
60 Referrer referrer; | 60 Referrer referrer; |
61 float scaleFactor; | 61 float scaleFactor; |
62 }; | 62 }; |
63 | 63 |
64 bool hasFailedOrCanceledSubresources() const; | 64 bool hasFailedOrCanceledSubresources() const; |
65 | 65 |
66 PassRefPtrWillBeRawPtr<CSSImageSetValue> cloneForCSSOM() const; | |
67 | |
68 void traceAfterDispatch(Visitor* visitor) { CSSValueList::traceAfterDispatch
(visitor); } | 66 void traceAfterDispatch(Visitor* visitor) { CSSValueList::traceAfterDispatch
(visitor); } |
69 | 67 |
70 protected: | 68 protected: |
71 ImageWithScale bestImageForScaleFactor(); | 69 ImageWithScale bestImageForScaleFactor(); |
72 | 70 |
73 private: | 71 private: |
74 CSSImageSetValue(); | 72 CSSImageSetValue(); |
75 explicit CSSImageSetValue(const CSSImageSetValue& cloneFrom); | |
76 | 73 |
77 void fillImageSet(); | 74 void fillImageSet(); |
78 static inline bool compareByScaleFactor(ImageWithScale first, ImageWithScale
second) { return first.scaleFactor < second.scaleFactor; } | 75 static inline bool compareByScaleFactor(ImageWithScale first, ImageWithScale
second) { return first.scaleFactor < second.scaleFactor; } |
79 | 76 |
80 RefPtr<StyleImage> m_imageSet; | 77 RefPtr<StyleImage> m_imageSet; |
81 bool m_accessedBestFitImage; | 78 bool m_accessedBestFitImage; |
82 | 79 |
83 // This represents the scale factor that we used to find the best fit image.
It does not necessarily | 80 // This represents the scale factor that we used to find the best fit image.
It does not necessarily |
84 // correspond to the scale factor of the best fit image. | 81 // correspond to the scale factor of the best fit image. |
85 float m_scaleFactor; | 82 float m_scaleFactor; |
86 | 83 |
87 Vector<ImageWithScale> m_imagesInSet; | 84 Vector<ImageWithScale> m_imagesInSet; |
88 }; | 85 }; |
89 | 86 |
90 DEFINE_CSS_VALUE_TYPE_CASTS(CSSImageSetValue, isImageSetValue()); | 87 DEFINE_CSS_VALUE_TYPE_CASTS(CSSImageSetValue, isImageSetValue()); |
91 | 88 |
92 } // namespace blink | 89 } // namespace blink |
93 | 90 |
94 #endif // CSSImageSetValue_h | 91 #endif // CSSImageSetValue_h |
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