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| 1 /* | |
| 2 * Copyright (C) 2011 Apple Inc. All rights reserved. | |
| 3 * | |
| 4 * Redistribution and use in source and binary forms, with or without | |
| 5 * modification, are permitted provided that the following conditions | |
| 6 * are met: | |
| 7 * 1. Redistributions of source code must retain the above copyright | |
| 8 * notice, this list of conditions and the following disclaimer. | |
| 9 * 2. Redistributions in binary form must reproduce the above copyright | |
| 10 * notice, this list of conditions and the following disclaimer in the | |
| 11 * documentation and/or other materials provided with the distribution. | |
| 12 * | |
| 13 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY | |
| 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
| 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR | |
| 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | |
| 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | |
| 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | |
| 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY | |
| 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 24 */ | |
| 25 | |
| 26 #ifndef SKY_ENGINE_CORE_CSS_CSSCROSSFADEVALUE_H_ | |
| 27 #define SKY_ENGINE_CORE_CSS_CSSCROSSFADEVALUE_H_ | |
| 28 | |
| 29 #include "sky/engine/core/css/CSSImageGeneratorValue.h" | |
| 30 #include "sky/engine/core/css/CSSPrimitiveValue.h" | |
| 31 #include "sky/engine/core/fetch/ImageResource.h" | |
| 32 #include "sky/engine/core/fetch/ImageResourceClient.h" | |
| 33 #include "sky/engine/core/fetch/ResourcePtr.h" | |
| 34 #include "sky/engine/platform/graphics/Image.h" | |
| 35 | |
| 36 namespace blink { | |
| 37 | |
| 38 class ImageResource; | |
| 39 class CrossfadeSubimageObserverProxy; | |
| 40 class RenderObject; | |
| 41 class Document; | |
| 42 | |
| 43 class CSSCrossfadeValue : public CSSImageGeneratorValue { | |
| 44 friend class CrossfadeSubimageObserverProxy; | |
| 45 public: | |
| 46 static PassRefPtr<CSSCrossfadeValue> create(PassRefPtr<CSSValue> fromValue,
PassRefPtr<CSSValue> toValue) | |
| 47 { | |
| 48 return adoptRef(new CSSCrossfadeValue(fromValue, toValue)); | |
| 49 } | |
| 50 | |
| 51 ~CSSCrossfadeValue(); | |
| 52 | |
| 53 String customCSSText() const; | |
| 54 | |
| 55 PassRefPtr<Image> image(RenderObject*, const IntSize&); | |
| 56 bool isFixedSize() const { return true; } | |
| 57 IntSize fixedSize(const RenderObject*); | |
| 58 | |
| 59 bool isPending() const; | |
| 60 bool knownToBeOpaque(const RenderObject*) const; | |
| 61 | |
| 62 void loadSubimages(ResourceFetcher*); | |
| 63 | |
| 64 void setPercentage(PassRefPtr<CSSPrimitiveValue> percentageValue) { m_percen
tageValue = percentageValue; } | |
| 65 | |
| 66 bool equals(const CSSCrossfadeValue&) const; | |
| 67 | |
| 68 private: | |
| 69 CSSCrossfadeValue(PassRefPtr<CSSValue> fromValue, PassRefPtr<CSSValue> toVal
ue) | |
| 70 : CSSImageGeneratorValue(CrossfadeClass) | |
| 71 , m_fromValue(fromValue) | |
| 72 , m_toValue(toValue) | |
| 73 , m_cachedFromImage(0) | |
| 74 , m_cachedToImage(0) | |
| 75 , m_crossfadeSubimageObserver(this) { } | |
| 76 | |
| 77 class CrossfadeSubimageObserverProxy final : public ImageResourceClient { | |
| 78 public: | |
| 79 CrossfadeSubimageObserverProxy(CSSCrossfadeValue* ownerValue) | |
| 80 : m_ownerValue(ownerValue) | |
| 81 , m_ready(false) { } | |
| 82 | |
| 83 virtual ~CrossfadeSubimageObserverProxy() { } | |
| 84 virtual void imageChanged(ImageResource*, const IntRect* = 0) override; | |
| 85 void setReady(bool ready) { m_ready = ready; } | |
| 86 private: | |
| 87 CSSCrossfadeValue* m_ownerValue; | |
| 88 bool m_ready; | |
| 89 }; | |
| 90 | |
| 91 void crossfadeChanged(const IntRect&); | |
| 92 | |
| 93 RefPtr<CSSValue> m_fromValue; | |
| 94 RefPtr<CSSValue> m_toValue; | |
| 95 RefPtr<CSSPrimitiveValue> m_percentageValue; | |
| 96 | |
| 97 ResourcePtr<ImageResource> m_cachedFromImage; | |
| 98 ResourcePtr<ImageResource> m_cachedToImage; | |
| 99 | |
| 100 RefPtr<Image> m_generatedImage; | |
| 101 | |
| 102 CrossfadeSubimageObserverProxy m_crossfadeSubimageObserver; | |
| 103 }; | |
| 104 | |
| 105 DEFINE_CSS_VALUE_TYPE_CASTS(CSSCrossfadeValue, isCrossfadeValue()); | |
| 106 | |
| 107 } // namespace blink | |
| 108 | |
| 109 #endif // SKY_ENGINE_CORE_CSS_CSSCROSSFADEVALUE_H_ | |
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Chromium Code Reviews
Issue 1214633005:
Remove CSS clients of ImageResource (Closed)
Base URL: git@github.com:domokit/mojo.git@master