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Side by Side Diff: Source/core/css/CSSCrossfadeValue.cpp

Issue 899163003: Move rendering/RenderObject to layout/LayoutObject. (Closed) Base URL: svn://svn.chromium.org/blink/trunk
Patch Set: Created 5 years, 10 months ago
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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
11 * documentation and/or other materials provided with the distribution. 11 * documentation and/or other materials provided with the distribution.
12 * 12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY 13 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 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. 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */ 24 */
25 25
26 #include "config.h" 26 #include "config.h"
27 #include "core/css/CSSCrossfadeValue.h" 27 #include "core/css/CSSCrossfadeValue.h"
28 28
29 #include "core/css/CSSImageValue.h" 29 #include "core/css/CSSImageValue.h"
30 #include "core/rendering/RenderObject.h" 30 #include "core/layout/LayoutObject.h"
31 #include "core/rendering/style/StyleFetchedImage.h" 31 #include "core/rendering/style/StyleFetchedImage.h"
32 #include "platform/graphics/CrossfadeGeneratedImage.h" 32 #include "platform/graphics/CrossfadeGeneratedImage.h"
33 #include "wtf/text/StringBuilder.h" 33 #include "wtf/text/StringBuilder.h"
34 34
35 namespace blink { 35 namespace blink {
36 36
37 static bool subimageIsPending(CSSValue* value) 37 static bool subimageIsPending(CSSValue* value)
38 { 38 {
39 if (value->isImageValue()) 39 if (value->isImageValue())
40 return toCSSImageValue(value)->cachedOrPendingImage()->isPendingImage(); 40 return toCSSImageValue(value)->cachedOrPendingImage()->isPendingImage();
41 41
42 if (value->isImageGeneratorValue()) 42 if (value->isImageGeneratorValue())
43 return toCSSImageGeneratorValue(value)->isPending(); 43 return toCSSImageGeneratorValue(value)->isPending();
44 44
45 ASSERT_NOT_REACHED(); 45 ASSERT_NOT_REACHED();
46 46
47 return false; 47 return false;
48 } 48 }
49 49
50 static bool subimageKnownToBeOpaque(CSSValue* value, const RenderObject* rendere r) 50 static bool subimageKnownToBeOpaque(CSSValue* value, const LayoutObject* rendere r)
51 { 51 {
52 if (value->isImageValue()) 52 if (value->isImageValue())
53 return toCSSImageValue(value)->knownToBeOpaque(renderer); 53 return toCSSImageValue(value)->knownToBeOpaque(renderer);
54 54
55 if (value->isImageGeneratorValue()) 55 if (value->isImageGeneratorValue())
56 return toCSSImageGeneratorValue(value)->knownToBeOpaque(renderer); 56 return toCSSImageGeneratorValue(value)->knownToBeOpaque(renderer);
57 57
58 ASSERT_NOT_REACHED(); 58 ASSERT_NOT_REACHED();
59 59
60 return false; 60 return false;
(...skipping 37 matching lines...) Expand 10 before | Expand all | Expand 10 after
98 result.appendLiteral("-webkit-cross-fade("); 98 result.appendLiteral("-webkit-cross-fade(");
99 result.append(m_fromValue->cssText()); 99 result.append(m_fromValue->cssText());
100 result.appendLiteral(", "); 100 result.appendLiteral(", ");
101 result.append(m_toValue->cssText()); 101 result.append(m_toValue->cssText());
102 result.appendLiteral(", "); 102 result.appendLiteral(", ");
103 result.append(m_percentageValue->cssText()); 103 result.append(m_percentageValue->cssText());
104 result.append(')'); 104 result.append(')');
105 return result.toString(); 105 return result.toString();
106 } 106 }
107 107
108 IntSize CSSCrossfadeValue::fixedSize(const RenderObject* renderer) 108 IntSize CSSCrossfadeValue::fixedSize(const LayoutObject* renderer)
109 { 109 {
110 float percentage = m_percentageValue->getFloatValue(); 110 float percentage = m_percentageValue->getFloatValue();
111 float inversePercentage = 1 - percentage; 111 float inversePercentage = 1 - percentage;
112 112
113 ResourceFetcher* fetcher = renderer->document().fetcher(); 113 ResourceFetcher* fetcher = renderer->document().fetcher();
114 ImageResource* cachedFromImage = cachedImageForCSSValue(m_fromValue.get(), f etcher); 114 ImageResource* cachedFromImage = cachedImageForCSSValue(m_fromValue.get(), f etcher);
115 ImageResource* cachedToImage = cachedImageForCSSValue(m_toValue.get(), fetch er); 115 ImageResource* cachedToImage = cachedImageForCSSValue(m_toValue.get(), fetch er);
116 116
117 if (!cachedFromImage || !cachedToImage) 117 if (!cachedFromImage || !cachedToImage)
118 return IntSize(); 118 return IntSize();
119 119
120 IntSize fromImageSize = cachedFromImage->imageForRenderer(renderer)->size(); 120 IntSize fromImageSize = cachedFromImage->imageForRenderer(renderer)->size();
121 IntSize toImageSize = cachedToImage->imageForRenderer(renderer)->size(); 121 IntSize toImageSize = cachedToImage->imageForRenderer(renderer)->size();
122 122
123 // Rounding issues can cause transitions between images of equal size to ret urn 123 // Rounding issues can cause transitions between images of equal size to ret urn
124 // a different fixed size; avoid performing the interpolation if the images are the same size. 124 // a different fixed size; avoid performing the interpolation if the images are the same size.
125 if (fromImageSize == toImageSize) 125 if (fromImageSize == toImageSize)
126 return fromImageSize; 126 return fromImageSize;
127 127
128 return IntSize(fromImageSize.width() * inversePercentage + toImageSize.width () * percentage, 128 return IntSize(fromImageSize.width() * inversePercentage + toImageSize.width () * percentage,
129 fromImageSize.height() * inversePercentage + toImageSize.height() * perc entage); 129 fromImageSize.height() * inversePercentage + toImageSize.height() * perc entage);
130 } 130 }
131 131
132 bool CSSCrossfadeValue::isPending() const 132 bool CSSCrossfadeValue::isPending() const
133 { 133 {
134 return subimageIsPending(m_fromValue.get()) || subimageIsPending(m_toValue.g et()); 134 return subimageIsPending(m_fromValue.get()) || subimageIsPending(m_toValue.g et());
135 } 135 }
136 136
137 bool CSSCrossfadeValue::knownToBeOpaque(const RenderObject* renderer) const 137 bool CSSCrossfadeValue::knownToBeOpaque(const LayoutObject* renderer) const
138 { 138 {
139 return subimageKnownToBeOpaque(m_fromValue.get(), renderer) && subimageKnown ToBeOpaque(m_toValue.get(), renderer); 139 return subimageKnownToBeOpaque(m_fromValue.get(), renderer) && subimageKnown ToBeOpaque(m_toValue.get(), renderer);
140 } 140 }
141 141
142 void CSSCrossfadeValue::loadSubimages(ResourceFetcher* fetcher) 142 void CSSCrossfadeValue::loadSubimages(ResourceFetcher* fetcher)
143 { 143 {
144 ResourcePtr<ImageResource> oldCachedFromImage = m_cachedFromImage; 144 ResourcePtr<ImageResource> oldCachedFromImage = m_cachedFromImage;
145 ResourcePtr<ImageResource> oldCachedToImage = m_cachedToImage; 145 ResourcePtr<ImageResource> oldCachedToImage = m_cachedToImage;
146 146
147 m_cachedFromImage = cachedImageForCSSValue(m_fromValue.get(), fetcher); 147 m_cachedFromImage = cachedImageForCSSValue(m_fromValue.get(), fetcher);
148 m_cachedToImage = cachedImageForCSSValue(m_toValue.get(), fetcher); 148 m_cachedToImage = cachedImageForCSSValue(m_toValue.get(), fetcher);
149 149
150 if (m_cachedFromImage != oldCachedFromImage) { 150 if (m_cachedFromImage != oldCachedFromImage) {
151 if (oldCachedFromImage) 151 if (oldCachedFromImage)
152 oldCachedFromImage->removeClient(&m_crossfadeSubimageObserver); 152 oldCachedFromImage->removeClient(&m_crossfadeSubimageObserver);
153 if (m_cachedFromImage) 153 if (m_cachedFromImage)
154 m_cachedFromImage->addClient(&m_crossfadeSubimageObserver); 154 m_cachedFromImage->addClient(&m_crossfadeSubimageObserver);
155 } 155 }
156 156
157 if (m_cachedToImage != oldCachedToImage) { 157 if (m_cachedToImage != oldCachedToImage) {
158 if (oldCachedToImage) 158 if (oldCachedToImage)
159 oldCachedToImage->removeClient(&m_crossfadeSubimageObserver); 159 oldCachedToImage->removeClient(&m_crossfadeSubimageObserver);
160 if (m_cachedToImage) 160 if (m_cachedToImage)
161 m_cachedToImage->addClient(&m_crossfadeSubimageObserver); 161 m_cachedToImage->addClient(&m_crossfadeSubimageObserver);
162 } 162 }
163 163
164 m_crossfadeSubimageObserver.setReady(true); 164 m_crossfadeSubimageObserver.setReady(true);
165 } 165 }
166 166
167 PassRefPtr<Image> CSSCrossfadeValue::image(RenderObject* renderer, const IntSize & size) 167 PassRefPtr<Image> CSSCrossfadeValue::image(LayoutObject* renderer, const IntSize & size)
168 { 168 {
169 if (size.isEmpty()) 169 if (size.isEmpty())
170 return nullptr; 170 return nullptr;
171 171
172 ResourceFetcher* fetcher = renderer->document().fetcher(); 172 ResourceFetcher* fetcher = renderer->document().fetcher();
173 ImageResource* cachedFromImage = cachedImageForCSSValue(m_fromValue.get(), f etcher); 173 ImageResource* cachedFromImage = cachedImageForCSSValue(m_fromValue.get(), f etcher);
174 ImageResource* cachedToImage = cachedImageForCSSValue(m_toValue.get(), fetch er); 174 ImageResource* cachedToImage = cachedImageForCSSValue(m_toValue.get(), fetch er);
175 175
176 if (!cachedFromImage || !cachedToImage) 176 if (!cachedFromImage || !cachedToImage)
177 return Image::nullImage(); 177 return Image::nullImage();
178 178
179 Image* fromImage = cachedFromImage->imageForRenderer(renderer); 179 Image* fromImage = cachedFromImage->imageForRenderer(renderer);
180 Image* toImage = cachedToImage->imageForRenderer(renderer); 180 Image* toImage = cachedToImage->imageForRenderer(renderer);
181 181
182 if (!fromImage || !toImage) 182 if (!fromImage || !toImage)
183 return Image::nullImage(); 183 return Image::nullImage();
184 184
185 m_generatedImage = CrossfadeGeneratedImage::create(fromImage, toImage, m_per centageValue->getFloatValue(), fixedSize(renderer), size); 185 m_generatedImage = CrossfadeGeneratedImage::create(fromImage, toImage, m_per centageValue->getFloatValue(), fixedSize(renderer), size);
186 186
187 return m_generatedImage.release(); 187 return m_generatedImage.release();
188 } 188 }
189 189
190 void CSSCrossfadeValue::crossfadeChanged(const IntRect&) 190 void CSSCrossfadeValue::crossfadeChanged(const IntRect&)
191 { 191 {
192 for (const auto& curr : clients()) { 192 for (const auto& curr : clients()) {
193 RenderObject* client = const_cast<RenderObject*>(curr.key); 193 LayoutObject* client = const_cast<LayoutObject*>(curr.key);
194 client->imageChanged(static_cast<WrappedImagePtr>(this)); 194 client->imageChanged(static_cast<WrappedImagePtr>(this));
195 } 195 }
196 } 196 }
197 197
198 void CSSCrossfadeValue::CrossfadeSubimageObserverProxy::imageChanged(ImageResour ce*, const IntRect* rect) 198 void CSSCrossfadeValue::CrossfadeSubimageObserverProxy::imageChanged(ImageResour ce*, const IntRect* rect)
199 { 199 {
200 if (m_ready) 200 if (m_ready)
201 m_ownerValue->crossfadeChanged(*rect); 201 m_ownerValue->crossfadeChanged(*rect);
202 } 202 }
203 203
(...skipping 15 matching lines...) Expand all
219 219
220 void CSSCrossfadeValue::traceAfterDispatch(Visitor* visitor) 220 void CSSCrossfadeValue::traceAfterDispatch(Visitor* visitor)
221 { 221 {
222 visitor->trace(m_fromValue); 222 visitor->trace(m_fromValue);
223 visitor->trace(m_toValue); 223 visitor->trace(m_toValue);
224 visitor->trace(m_percentageValue); 224 visitor->trace(m_percentageValue);
225 CSSImageGeneratorValue::traceAfterDispatch(visitor); 225 CSSImageGeneratorValue::traceAfterDispatch(visitor);
226 } 226 }
227 227
228 } // namespace blink 228 } // namespace blink
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