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1 /* | 1 /* |
2 * Copyright (C) 2013 Google Inc. All rights reserved. | 2 * Copyright (C) 2013 Google 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 are | 5 * modification, are permitted provided that the following conditions are |
6 * met: | 6 * met: |
7 * | 7 * |
8 * * Redistributions of source code must retain the above copyright | 8 * * 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 * * Redistributions in binary form must reproduce the above | 10 * * Redistributions in binary form must reproduce the above |
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81 } | 81 } |
82 | 82 |
83 void setOwnerList(SVGPropertyBase* ownerList) | 83 void setOwnerList(SVGPropertyBase* ownerList) |
84 { | 84 { |
85 // Previous owner list must be cleared before setting new owner list. | 85 // Previous owner list must be cleared before setting new owner list. |
86 ASSERT((!ownerList && m_ownerList) || (ownerList && !m_ownerList)); | 86 ASSERT((!ownerList && m_ownerList) || (ownerList && !m_ownerList)); |
87 | 87 |
88 m_ownerList = ownerList; | 88 m_ownerList = ownerList; |
89 } | 89 } |
90 | 90 |
91 DEFINE_INLINE_VIRTUAL_TRACE() | 91 DEFINE_INLINE_VIRTUAL_TRACE() { } |
92 { | |
93 visitor->trace(m_ownerList); | |
94 } | |
95 | 92 |
96 protected: | 93 protected: |
97 explicit SVGPropertyBase(AnimatedPropertyType type) | 94 explicit SVGPropertyBase(AnimatedPropertyType type) |
98 : m_type(type) | 95 : m_type(type) |
99 , m_ownerList(nullptr) | 96 , m_ownerList(nullptr) |
100 { | 97 { |
101 } | 98 } |
102 | 99 |
103 private: | 100 private: |
104 const AnimatedPropertyType m_type; | 101 const AnimatedPropertyType m_type; |
105 | 102 |
106 RawPtrWillBeMember<SVGPropertyBase> m_ownerList; | 103 // Oilpan: the back reference to the owner should be a Member, but this can
create |
| 104 // cycles when SVG properties meet the off-heap InterpolationValue hierarchy
. |
| 105 // Not tracing it is safe, albeit an undesirable state of affairs. |
| 106 GC_PLUGIN_IGNORE("528275") |
| 107 SVGPropertyBase* m_ownerList; |
107 }; | 108 }; |
108 | 109 |
109 } | 110 } |
110 | 111 |
111 #endif // SVGProperty_h | 112 #endif // SVGProperty_h |
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