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1 /* | 1 /* |
2 * Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011, 2012 Apple Inc. All rights
reserved. | 2 * Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011, 2012 Apple Inc. All rights
reserved. |
3 * | 3 * |
4 * Portions are Copyright (C) 1998 Netscape Communications Corporation. | 4 * Portions are Copyright (C) 1998 Netscape Communications Corporation. |
5 * | 5 * |
6 * Other contributors: | 6 * Other contributors: |
7 * Robert O'Callahan <roc+@cs.cmu.edu> | 7 * Robert O'Callahan <roc+@cs.cmu.edu> |
8 * David Baron <dbaron@fas.harvard.edu> | 8 * David Baron <dbaron@fas.harvard.edu> |
9 * Christian Biesinger <cbiesinger@web.de> | 9 * Christian Biesinger <cbiesinger@web.de> |
10 * Randall Jesup <rjesup@wgate.com> | 10 * Randall Jesup <rjesup@wgate.com> |
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2313 switch (compositingState()) { | 2313 switch (compositingState()) { |
2314 case NotComposited: | 2314 case NotComposited: |
2315 return 0; | 2315 return 0; |
2316 case PaintsIntoGroupedBacking: | 2316 case PaintsIntoGroupedBacking: |
2317 return groupedMapping()->squashingLayer(); | 2317 return groupedMapping()->squashingLayer(); |
2318 default: | 2318 default: |
2319 return compositedLayerMapping()->scrollingContentsLayer() ? compositedLa
yerMapping()->scrollingContentsLayer() : compositedLayerMapping()->mainGraphicsL
ayer(); | 2319 return compositedLayerMapping()->scrollingContentsLayer() ? compositedLa
yerMapping()->scrollingContentsLayer() : compositedLayerMapping()->mainGraphicsL
ayer(); |
2320 } | 2320 } |
2321 } | 2321 } |
2322 | 2322 |
| 2323 bool PaintLayer::shouldPaintBackgroundOntoScrollingContentsLayer() const |
| 2324 { |
| 2325 // TODO(flackr): Add support for painting locally attached background images
. https://crbug.com/625882 |
| 2326 const FillLayer& backgroundLayer = layoutObject()->style()->backgroundLayers
(); |
| 2327 return !isRootLayer() |
| 2328 && scrollsOverflow() |
| 2329 && !backgroundLayer.image() |
| 2330 && !backgroundLayer.next() |
| 2331 && (backgroundLayer.attachment() == LocalBackgroundAttachment |
| 2332 || backgroundLayer.clip() == PaddingFillBox) |
| 2333 && !stackingNode()->hasNegativeZOrderList(); |
| 2334 } |
| 2335 |
2323 void PaintLayer::ensureCompositedLayerMapping() | 2336 void PaintLayer::ensureCompositedLayerMapping() |
2324 { | 2337 { |
2325 if (m_rareData && m_rareData->compositedLayerMapping) | 2338 if (m_rareData && m_rareData->compositedLayerMapping) |
2326 return; | 2339 return; |
2327 | 2340 |
2328 ensureRareData().compositedLayerMapping = wrapUnique(new CompositedLayerMapp
ing(*this)); | 2341 ensureRareData().compositedLayerMapping = wrapUnique(new CompositedLayerMapp
ing(*this)); |
2329 m_rareData->compositedLayerMapping->setNeedsGraphicsLayerUpdate(GraphicsLaye
rUpdateSubtree); | 2342 m_rareData->compositedLayerMapping->setNeedsGraphicsLayerUpdate(GraphicsLaye
rUpdateSubtree); |
2330 | 2343 |
2331 updateOrRemoveFilterEffectBuilder(); | 2344 updateOrRemoveFilterEffectBuilder(); |
2332 } | 2345 } |
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2924 | 2937 |
2925 void showLayerTree(const blink::LayoutObject* layoutObject) | 2938 void showLayerTree(const blink::LayoutObject* layoutObject) |
2926 { | 2939 { |
2927 if (!layoutObject) { | 2940 if (!layoutObject) { |
2928 fprintf(stderr, "Cannot showLayerTree. Root is (nil)\n"); | 2941 fprintf(stderr, "Cannot showLayerTree. Root is (nil)\n"); |
2929 return; | 2942 return; |
2930 } | 2943 } |
2931 showLayerTree(layoutObject->enclosingLayer()); | 2944 showLayerTree(layoutObject->enclosingLayer()); |
2932 } | 2945 } |
2933 #endif | 2946 #endif |
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