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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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2327 switch (compositingState()) { | 2327 switch (compositingState()) { |
2328 case NotComposited: | 2328 case NotComposited: |
2329 return 0; | 2329 return 0; |
2330 case PaintsIntoGroupedBacking: | 2330 case PaintsIntoGroupedBacking: |
2331 return groupedMapping()->squashingLayer(); | 2331 return groupedMapping()->squashingLayer(); |
2332 default: | 2332 default: |
2333 return compositedLayerMapping()->scrollingContentsLayer() ? compositedLa
yerMapping()->scrollingContentsLayer() : compositedLayerMapping()->mainGraphicsL
ayer(); | 2333 return compositedLayerMapping()->scrollingContentsLayer() ? compositedLa
yerMapping()->scrollingContentsLayer() : compositedLayerMapping()->mainGraphicsL
ayer(); |
2334 } | 2334 } |
2335 } | 2335 } |
2336 | 2336 |
| 2337 bool PaintLayer::shouldPaintBackgroundOntoScrollingContentsLayer() const |
| 2338 { |
| 2339 // TODO(flackr): Add support for painting locally attached background images
. https://crbug.com/625882 |
| 2340 const FillLayer& backgroundLayer = layoutObject()->style()->backgroundLayers
(); |
| 2341 return !isRootLayer() |
| 2342 && scrollsOverflow() |
| 2343 && !backgroundLayer.image() |
| 2344 && !backgroundLayer.next() |
| 2345 && (backgroundLayer.attachment() == LocalBackgroundAttachment |
| 2346 || backgroundLayer.clip() == PaddingFillBox) |
| 2347 && !stackingNode()->hasNegativeZOrderList(); |
| 2348 } |
| 2349 |
2337 void PaintLayer::ensureCompositedLayerMapping() | 2350 void PaintLayer::ensureCompositedLayerMapping() |
2338 { | 2351 { |
2339 if (m_rareData && m_rareData->compositedLayerMapping) | 2352 if (m_rareData && m_rareData->compositedLayerMapping) |
2340 return; | 2353 return; |
2341 | 2354 |
2342 ensureRareData().compositedLayerMapping = wrapUnique(new CompositedLayerMapp
ing(*this)); | 2355 ensureRareData().compositedLayerMapping = wrapUnique(new CompositedLayerMapp
ing(*this)); |
2343 m_rareData->compositedLayerMapping->setNeedsGraphicsLayerUpdate(GraphicsLaye
rUpdateSubtree); | 2356 m_rareData->compositedLayerMapping->setNeedsGraphicsLayerUpdate(GraphicsLaye
rUpdateSubtree); |
2344 | 2357 |
2345 updateOrRemoveFilterEffectBuilder(); | 2358 updateOrRemoveFilterEffectBuilder(); |
2346 } | 2359 } |
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2948 | 2961 |
2949 void showLayerTree(const blink::LayoutObject* layoutObject) | 2962 void showLayerTree(const blink::LayoutObject* layoutObject) |
2950 { | 2963 { |
2951 if (!layoutObject) { | 2964 if (!layoutObject) { |
2952 fprintf(stderr, "Cannot showLayerTree. Root is (nil)\n"); | 2965 fprintf(stderr, "Cannot showLayerTree. Root is (nil)\n"); |
2953 return; | 2966 return; |
2954 } | 2967 } |
2955 showLayerTree(layoutObject->enclosingLayer()); | 2968 showLayerTree(layoutObject->enclosingLayer()); |
2956 } | 2969 } |
2957 #endif | 2970 #endif |
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