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1 /* | 1 /* |
2 * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2012 Apple Inc. All r
ights reserved. | 2 * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2012 Apple Inc. All r
ights reserved. |
3 * Copyright (C) 2005 Alexey Proskuryakov. | 3 * Copyright (C) 2005 Alexey Proskuryakov. |
4 * | 4 * |
5 * Redistribution and use in source and binary forms, with or without | 5 * Redistribution and use in source and binary forms, with or without |
6 * modification, are permitted provided that the following conditions | 6 * modification, are permitted provided that the following conditions |
7 * are met: | 7 * are met: |
8 * 1. Redistributions of source code must retain the above copyright | 8 * 1. Redistributions of source code must retain the above copyright |
9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
10 * 2. Redistributions in binary form must reproduce the above copyright | 10 * 2. Redistributions in binary form must reproduce the above copyright |
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22 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 22 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
25 */ | 25 */ |
26 | 26 |
27 #include "config.h" | 27 #include "config.h" |
28 #include "core/editing/iterators/BitStack.h" | 28 #include "core/editing/iterators/BitStack.h" |
29 | 29 |
30 #include "core/dom/ContainerNode.h" | 30 #include "core/dom/ContainerNode.h" |
31 #include "core/dom/Node.h" | 31 #include "core/dom/Node.h" |
| 32 #include "core/layout/LayoutBox.h" |
32 #include "core/layout/LayoutObject.h" | 33 #include "core/layout/LayoutObject.h" |
33 #include "core/rendering/RenderBox.h" | |
34 | 34 |
35 namespace blink { | 35 namespace blink { |
36 | 36 |
37 static const unsigned bitsInWord = sizeof(unsigned) * 8; | 37 static const unsigned bitsInWord = sizeof(unsigned) * 8; |
38 static const unsigned bitInWordMask = bitsInWord - 1; | 38 static const unsigned bitInWordMask = bitsInWord - 1; |
39 | 39 |
40 #if ENABLE(ASSERT) | 40 #if ENABLE(ASSERT) |
41 static unsigned depthCrossingShadowBoundaries(Node* node) | 41 static unsigned depthCrossingShadowBoundaries(Node* node) |
42 { | 42 { |
43 unsigned depth = 0; | 43 unsigned depth = 0; |
44 for (ContainerNode* parent = node->parentOrShadowHostNode(); parent; parent
= parent->parentOrShadowHostNode()) | 44 for (ContainerNode* parent = node->parentOrShadowHostNode(); parent; parent
= parent->parentOrShadowHostNode()) |
45 ++depth; | 45 ++depth; |
46 return depth; | 46 return depth; |
47 } | 47 } |
48 #endif | 48 #endif |
49 | 49 |
50 static inline bool fullyClipsContents(Node* node) | 50 static inline bool fullyClipsContents(Node* node) |
51 { | 51 { |
52 LayoutObject* renderer = node->renderer(); | 52 LayoutObject* renderer = node->renderer(); |
53 if (!renderer || !renderer->isBox() || !renderer->hasOverflowClip()) | 53 if (!renderer || !renderer->isBox() || !renderer->hasOverflowClip()) |
54 return false; | 54 return false; |
55 return toRenderBox(renderer)->size().isEmpty(); | 55 return toLayoutBox(renderer)->size().isEmpty(); |
56 } | 56 } |
57 | 57 |
58 static inline bool ignoresContainerClip(Node* node) | 58 static inline bool ignoresContainerClip(Node* node) |
59 { | 59 { |
60 LayoutObject* renderer = node->renderer(); | 60 LayoutObject* renderer = node->renderer(); |
61 if (!renderer || renderer->isText()) | 61 if (!renderer || renderer->isText()) |
62 return false; | 62 return false; |
63 return renderer->style()->hasOutOfFlowPosition(); | 63 return renderer->style()->hasOutOfFlowPosition(); |
64 } | 64 } |
65 | 65 |
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137 // Call pushFullyClippedState on each node starting with the earliest ancest
or. | 137 // Call pushFullyClippedState on each node starting with the earliest ancest
or. |
138 size_t ancestrySize = ancestry.size(); | 138 size_t ancestrySize = ancestry.size(); |
139 for (size_t i = 0; i < ancestrySize; ++i) | 139 for (size_t i = 0; i < ancestrySize; ++i) |
140 pushFullyClippedState(ancestry[ancestrySize - i - 1]); | 140 pushFullyClippedState(ancestry[ancestrySize - i - 1]); |
141 pushFullyClippedState(node); | 141 pushFullyClippedState(node); |
142 | 142 |
143 ASSERT(size() == 1 + depthCrossingShadowBoundaries(node)); | 143 ASSERT(size() == 1 + depthCrossingShadowBoundaries(node)); |
144 } | 144 } |
145 | 145 |
146 } // namespace blink | 146 } // namespace blink |
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