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1 /* | 1 /* |
2 * Copyright (C) 2009, 2010, 2011 Apple Inc. All rights reserved. | 2 * Copyright (C) 2009, 2010, 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 |
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91 return pixelSnappedIntRect(toLayoutBox(layoutObject)->contentBoxRect()); | 91 return pixelSnappedIntRect(toLayoutBox(layoutObject)->contentBoxRect()); |
92 } | 92 } |
93 | 93 |
94 static IntRect backgroundRect(const LayoutObject* layoutObject) | 94 static IntRect backgroundRect(const LayoutObject* layoutObject) |
95 { | 95 { |
96 if (!layoutObject->isBox()) | 96 if (!layoutObject->isBox()) |
97 return IntRect(); | 97 return IntRect(); |
98 | 98 |
99 LayoutRect rect; | 99 LayoutRect rect; |
100 const LayoutBox* box = toLayoutBox(layoutObject); | 100 const LayoutBox* box = toLayoutBox(layoutObject); |
101 return pixelSnappedIntRect(box->backgroundClipRect()); | 101 return pixelSnappedIntRect(box->backgroundRect(TranslucentBackgroundRect)); |
102 } | 102 } |
103 | 103 |
104 static inline bool isAcceleratedCanvas(const LayoutObject* layoutObject) | 104 static inline bool isAcceleratedCanvas(const LayoutObject* layoutObject) |
105 { | 105 { |
106 if (layoutObject->isCanvas()) { | 106 if (layoutObject->isCanvas()) { |
107 HTMLCanvasElement* canvas = toHTMLCanvasElement(layoutObject->node()); | 107 HTMLCanvasElement* canvas = toHTMLCanvasElement(layoutObject->node()); |
108 if (CanvasRenderingContext* context = canvas->renderingContext()) | 108 if (CanvasRenderingContext* context = canvas->renderingContext()) |
109 return context->isAccelerated(); | 109 return context->isAccelerated(); |
110 } | 110 } |
111 return false; | 111 return false; |
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2578 } | 2578 } |
2579 if (previousIndex == indexToClear && layerToRemove->groupedMapping() == this
) { | 2579 if (previousIndex == indexToClear && layerToRemove->groupedMapping() == this
) { |
2580 compositor()->paintInvalidationOnCompositingChange(layerToRemove); | 2580 compositor()->paintInvalidationOnCompositingChange(layerToRemove); |
2581 return true; | 2581 return true; |
2582 } | 2582 } |
2583 return false; | 2583 return false; |
2584 } | 2584 } |
2585 | 2585 |
2586 bool CompositedLayerMapping::shouldPaintBackgroundOntoScrollingContentsLayer() c
onst | 2586 bool CompositedLayerMapping::shouldPaintBackgroundOntoScrollingContentsLayer() c
onst |
2587 { | 2587 { |
2588 // TODO(flackr): Add support for painting locally attached background images
. https://crbug.com/625882 | |
2589 const FillLayer& backgroundLayer = m_owningLayer.layoutObject()->style()->ba
ckgroundLayers(); | |
2590 return !m_owningLayer.isRootLayer() | 2588 return !m_owningLayer.isRootLayer() |
2591 && m_owningLayer.scrollsOverflow() | 2589 && m_owningLayer.scrollsOverflow() |
2592 && !backgroundLayer.image() | 2590 && m_owningLayer.layoutObject()->style()->hasEntirelyLocalBackground() |
2593 && !backgroundLayer.next() | |
2594 && (backgroundLayer.attachment() == LocalBackgroundAttachment | |
2595 || backgroundLayer.clip() == PaddingFillBox) | |
2596 && !m_owningLayer.stackingNode()->hasNegativeZOrderList(); | 2591 && !m_owningLayer.stackingNode()->hasNegativeZOrderList(); |
2597 } | 2592 } |
2598 | 2593 |
2599 bool CompositedLayerMapping::updateSquashingLayerAssignment(PaintLayer* squashed
Layer, size_t nextSquashedLayerIndex) | 2594 bool CompositedLayerMapping::updateSquashingLayerAssignment(PaintLayer* squashed
Layer, size_t nextSquashedLayerIndex) |
2600 { | 2595 { |
2601 GraphicsLayerPaintInfo paintInfo; | 2596 GraphicsLayerPaintInfo paintInfo; |
2602 paintInfo.paintLayer = squashedLayer; | 2597 paintInfo.paintLayer = squashedLayer; |
2603 // NOTE: composited bounds are updated elsewhere | 2598 // NOTE: composited bounds are updated elsewhere |
2604 // NOTE: offsetFromLayoutObject is updated elsewhere | 2599 // NOTE: offsetFromLayoutObject is updated elsewhere |
2605 | 2600 |
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2709 } else if (graphicsLayer == m_scrollingContentsLayer.get()) { | 2704 } else if (graphicsLayer == m_scrollingContentsLayer.get()) { |
2710 name = "Scrolling Contents Layer"; | 2705 name = "Scrolling Contents Layer"; |
2711 } else { | 2706 } else { |
2712 ASSERT_NOT_REACHED(); | 2707 ASSERT_NOT_REACHED(); |
2713 } | 2708 } |
2714 | 2709 |
2715 return name; | 2710 return name; |
2716 } | 2711 } |
2717 | 2712 |
2718 } // namespace blink | 2713 } // namespace blink |
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