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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "config.h" | 5 #include "config.h" |
6 #include "core/layout/compositing/CompositingInputsUpdater.h" | 6 #include "core/layout/compositing/CompositingInputsUpdater.h" |
7 | 7 |
8 #include "core/layout/LayoutBlock.h" | 8 #include "core/layout/LayoutBlock.h" |
9 #include "core/layout/compositing/CompositedDeprecatedPaintLayerMapping.h" | 9 #include "core/layout/compositing/CompositedDeprecatedPaintLayerMapping.h" |
10 #include "core/layout/compositing/DeprecatedPaintLayerCompositor.h" | 10 #include "core/layout/compositing/DeprecatedPaintLayerCompositor.h" |
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52 } else { | 52 } else { |
53 current = current->containingBlock(); | 53 current = current->containingBlock(); |
54 } | 54 } |
55 | 55 |
56 if (current->hasLayer()) | 56 if (current->hasLayer()) |
57 return static_cast<const LayoutBoxModelObject*>(current)->layer(); | 57 return static_cast<const LayoutBoxModelObject*>(current)->layer(); |
58 // Having clip or overflow clip forces the LayoutObject to become a laye
r. | 58 // Having clip or overflow clip forces the LayoutObject to become a laye
r. |
59 ASSERT(!current->hasClipOrOverflowClip()); | 59 ASSERT(!current->hasClipOrOverflowClip()); |
60 } | 60 } |
61 ASSERT_NOT_REACHED(); | 61 ASSERT_NOT_REACHED(); |
62 return 0; | 62 return nullptr; |
63 } | 63 } |
64 | 64 |
65 static const DeprecatedPaintLayer* findParentLayerOnContainingBlockChain(const L
ayoutObject* object) | 65 static const DeprecatedPaintLayer* findParentLayerOnContainingBlockChain(const L
ayoutObject* object) |
66 { | 66 { |
67 for (const LayoutObject* current = object; current; current = current->conta
iningBlock()) { | 67 for (const LayoutObject* current = object; current; current = current->conta
iningBlock()) { |
68 if (current->hasLayer()) | 68 if (current->hasLayer()) |
69 return static_cast<const LayoutBoxModelObject*>(current)->layer(); | 69 return static_cast<const LayoutBoxModelObject*>(current)->layer(); |
70 } | 70 } |
71 ASSERT_NOT_REACHED(); | 71 ASSERT_NOT_REACHED(); |
72 return 0; | 72 return nullptr; |
73 } | 73 } |
74 | 74 |
75 static bool hasClippedStackingAncestor(const DeprecatedPaintLayer* layer, const
DeprecatedPaintLayer* clippingLayer) | 75 static bool hasClippedStackingAncestor(const DeprecatedPaintLayer* layer, const
DeprecatedPaintLayer* clippingLayer) |
76 { | 76 { |
77 if (layer == clippingLayer) | 77 if (layer == clippingLayer) |
78 return false; | 78 return false; |
79 const LayoutObject* clippingLayoutObject = clippingLayer->layoutObject(); | 79 const LayoutObject* clippingLayoutObject = clippingLayer->layoutObject(); |
80 for (const DeprecatedPaintLayer* current = layer->compositingContainer(); cu
rrent && current != clippingLayer; current = current->compositingContainer()) { | 80 for (const DeprecatedPaintLayer* current = layer->compositingContainer(); cu
rrent && current != clippingLayer; current = current->compositingContainer()) { |
81 if (current->layoutObject()->hasClipOrOverflowClip() && !clippingLayoutO
bject->isDescendantOf(current->layoutObject())) | 81 if (current->layoutObject()->hasClipOrOverflowClip() && !clippingLayoutO
bject->isDescendantOf(current->layoutObject())) |
82 return true; | 82 return true; |
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188 ASSERT(!layer->childNeedsCompositingInputsUpdate()); | 188 ASSERT(!layer->childNeedsCompositingInputsUpdate()); |
189 ASSERT(!layer->needsCompositingInputsUpdate()); | 189 ASSERT(!layer->needsCompositingInputsUpdate()); |
190 | 190 |
191 for (DeprecatedPaintLayer* child = layer->firstChild(); child; child = child
->nextSibling()) | 191 for (DeprecatedPaintLayer* child = layer->firstChild(); child; child = child
->nextSibling()) |
192 assertNeedsCompositingInputsUpdateBitsCleared(child); | 192 assertNeedsCompositingInputsUpdateBitsCleared(child); |
193 } | 193 } |
194 | 194 |
195 #endif | 195 #endif |
196 | 196 |
197 } // namespace blink | 197 } // namespace blink |
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