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Side by Side Diff: third_party/WebKit/Source/core/dom/shadow/SlotAssignment.cpp

Issue 1695163003: Support slotchange events (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: minor Created 4 years, 10 months ago
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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 "core/dom/shadow/SlotAssignment.h" 5 #include "core/dom/shadow/SlotAssignment.h"
6 6
7 #include "core/HTMLNames.h" 7 #include "core/HTMLNames.h"
8 #include "core/dom/ElementTraversal.h" 8 #include "core/dom/ElementTraversal.h"
9 #include "core/dom/NodeTraversal.h" 9 #include "core/dom/NodeTraversal.h"
10 #include "core/dom/shadow/ElementShadow.h" 10 #include "core/dom/shadow/ElementShadow.h"
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69 } else if (defaultSlot && child.isTextNode()) { 69 } else if (defaultSlot && child.isTextNode()) {
70 assign(child, *defaultSlot); 70 assign(child, *defaultSlot);
71 } else { 71 } else {
72 detachNotAssignedNode(child); 72 detachNotAssignedNode(child);
73 } 73 }
74 } 74 }
75 75
76 // Update each slot's distribution in reverse tree order so that a child slo t is visited before its parent slot. 76 // Update each slot's distribution in reverse tree order so that a child slo t is visited before its parent slot.
77 for (auto slot = slots.rbegin(); slot != slots.rend(); ++slot) 77 for (auto slot = slots.rbegin(); slot != slots.rend(); ++slot)
78 (*slot)->updateDistributedNodesWithFallback(); 78 (*slot)->updateDistributedNodesWithFallback();
79 for (const auto& slot : slots)
80 slot->didUpdateDistribution();
79 } 81 }
80 82
81 void SlotAssignment::assign(Node& hostChild, HTMLSlotElement& slot) 83 void SlotAssignment::assign(Node& hostChild, HTMLSlotElement& slot)
82 { 84 {
83 ASSERT(hostChild.isSlotAssignable()); 85 ASSERT(hostChild.isSlotAssignable());
84 m_assignment.add(&hostChild, &slot); 86 m_assignment.add(&hostChild, &slot);
85 slot.appendAssignedNode(hostChild); 87 slot.appendAssignedNode(hostChild);
86 if (isHTMLSlotElement(hostChild)) 88 if (isHTMLSlotElement(hostChild))
87 slot.appendDistributedNodesFrom(toHTMLSlotElement(hostChild)); 89 slot.appendDistributedNodesFrom(toHTMLSlotElement(hostChild));
88 else 90 else
89 slot.appendDistributedNode(hostChild); 91 slot.appendDistributedNode(hostChild);
90 if (slot.isChildOfV1ShadowHost()) 92 if (slot.isChildOfV1ShadowHost())
91 slot.parentElementShadow()->setNeedsDistributionRecalc(); 93 slot.parentElementShadow()->setNeedsDistributionRecalc();
92 } 94 }
93 95
94 DEFINE_TRACE(SlotAssignment) 96 DEFINE_TRACE(SlotAssignment)
95 { 97 {
96 #if ENABLE(OILPAN) 98 #if ENABLE(OILPAN)
97 visitor->trace(m_assignment); 99 visitor->trace(m_assignment);
98 #endif 100 #endif
99 } 101 }
100 102
101 } // namespace blink 103 } // namespace blink
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