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1 // Copyright 2015 The Chromium Authors. All rights reserved. | 1 // Copyright 2015 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 "FullyClippedStateStack.h" | 6 #include "FullyClippedStateStack.h" |
7 | 7 |
8 #include "core/dom/ContainerNode.h" | 8 #include "core/dom/ContainerNode.h" |
9 #include "core/dom/Node.h" | 9 #include "core/dom/Node.h" |
10 #include "core/layout/LayoutBox.h" | 10 #include "core/layout/LayoutBox.h" |
11 #include "core/layout/LayoutObject.h" | 11 #include "core/layout/LayoutObject.h" |
12 | 12 |
13 namespace blink { | 13 namespace blink { |
14 | 14 |
15 #if ENABLE(ASSERT) | 15 #if ENABLE(ASSERT) |
16 static unsigned depthCrossingShadowBoundaries(Node* node) | 16 static unsigned depthCrossingShadowBoundaries(Node* node) |
17 { | 17 { |
18 unsigned depth = 0; | 18 unsigned depth = 0; |
19 for (ContainerNode* parent = node->parentOrShadowHostNode(); parent; parent
= parent->parentOrShadowHostNode()) | 19 for (ContainerNode* parent = node->parentOrShadowHostNode(); parent; parent
= parent->parentOrShadowHostNode()) |
20 ++depth; | 20 ++depth; |
21 return depth; | 21 return depth; |
22 } | 22 } |
23 #endif | 23 #endif |
24 | 24 |
25 static inline bool fullyClipsContents(Node* node) | 25 static inline bool fullyClipsContents(Node* node) |
26 { | 26 { |
27 LayoutObject* renderer = node->renderer(); | 27 LayoutObject* renderer = node->layoutObject(); |
28 if (!renderer || !renderer->isBox() || !renderer->hasOverflowClip()) | 28 if (!renderer || !renderer->isBox() || !renderer->hasOverflowClip()) |
29 return false; | 29 return false; |
30 return toLayoutBox(renderer)->size().isEmpty(); | 30 return toLayoutBox(renderer)->size().isEmpty(); |
31 } | 31 } |
32 | 32 |
33 static inline bool ignoresContainerClip(Node* node) | 33 static inline bool ignoresContainerClip(Node* node) |
34 { | 34 { |
35 LayoutObject* renderer = node->renderer(); | 35 LayoutObject* renderer = node->layoutObject(); |
36 if (!renderer || renderer->isText()) | 36 if (!renderer || renderer->isText()) |
37 return false; | 37 return false; |
38 return renderer->style()->hasOutOfFlowPosition(); | 38 return renderer->style()->hasOutOfFlowPosition(); |
39 } | 39 } |
40 | 40 |
41 FullyClippedStateStack::FullyClippedStateStack() | 41 FullyClippedStateStack::FullyClippedStateStack() |
42 { | 42 { |
43 } | 43 } |
44 | 44 |
45 FullyClippedStateStack::~FullyClippedStateStack() | 45 FullyClippedStateStack::~FullyClippedStateStack() |
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74 // Call pushFullyClippedState on each node starting with the earliest ancest
or. | 74 // Call pushFullyClippedState on each node starting with the earliest ancest
or. |
75 size_t ancestrySize = ancestry.size(); | 75 size_t ancestrySize = ancestry.size(); |
76 for (size_t i = 0; i < ancestrySize; ++i) | 76 for (size_t i = 0; i < ancestrySize; ++i) |
77 pushFullyClippedState(ancestry[ancestrySize - i - 1]); | 77 pushFullyClippedState(ancestry[ancestrySize - i - 1]); |
78 pushFullyClippedState(node); | 78 pushFullyClippedState(node); |
79 | 79 |
80 ASSERT(size() == 1 + depthCrossingShadowBoundaries(node)); | 80 ASSERT(size() == 1 + depthCrossingShadowBoundaries(node)); |
81 } | 81 } |
82 | 82 |
83 } // namespace blink | 83 } // namespace blink |
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