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1 /* | 1 /* |
2 * Copyright (C) 2014 Google Inc. All rights reserved. | 2 * Copyright (C) 2014 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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74 return impl->get(key); | 74 return impl->get(key); |
75 } | 75 } |
76 | 76 |
77 static v8::PersistentContainerValue Remove(Impl* impl, KeyType key) | 77 static v8::PersistentContainerValue Remove(Impl* impl, KeyType key) |
78 { | 78 { |
79 return impl->take(key); | 79 return impl->take(key); |
80 } | 80 } |
81 | 81 |
82 // Weak traits: | 82 // Weak traits: |
83 static const v8::PersistentContainerCallbackType kCallbackType = is_weak ? v
8::kWeak : v8::kNotWeak; | 83 static const v8::PersistentContainerCallbackType kCallbackType = is_weak ? v
8::kWeak : v8::kNotWeak; |
84 typedef v8::PersistentValueMap<KeyType, ValueType, V8PersistentValueMapTrait
s<KeyType, ValueType, is_weak> > MapType; | 84 typedef v8::PersistentValueMap<KeyType, ValueType, V8PersistentValueMapTrait
s<KeyType, ValueType, is_weak>> MapType; |
85 | 85 |
86 typedef void WeakCallbackDataType; | 86 typedef void WeakCallbackDataType; |
87 | 87 |
88 static WeakCallbackDataType* WeakCallbackParameter(MapType* map, KeyType key
, const v8::Local<ValueType>& value) | 88 static WeakCallbackDataType* WeakCallbackParameter(MapType* map, KeyType key
, const v8::Local<ValueType>& value) |
89 { | 89 { |
90 return 0; | 90 return 0; |
91 } | 91 } |
92 | 92 |
93 static void DisposeCallbackData(WeakCallbackDataType* callbackData) | 93 static void DisposeCallbackData(WeakCallbackDataType* callbackData) |
94 { | 94 { |
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111 }; | 111 }; |
112 | 112 |
113 /** | 113 /** |
114 * A map for safely storing persistent V8 values, based on | 114 * A map for safely storing persistent V8 values, based on |
115 * v8::PersistentValueMap. | 115 * v8::PersistentValueMap. |
116 * | 116 * |
117 * If is_weak is set, values will be held weakly and map entries will be | 117 * If is_weak is set, values will be held weakly and map entries will be |
118 * removed as their values are being collected. | 118 * removed as their values are being collected. |
119 */ | 119 */ |
120 template<class KeyType, class ValueType, bool is_weak = true> | 120 template<class KeyType, class ValueType, bool is_weak = true> |
121 class V8PersistentValueMap : public v8::PersistentValueMap<KeyType, ValueType, V
8PersistentValueMapTraits<KeyType, ValueType, is_weak> > { | 121 class V8PersistentValueMap : public v8::PersistentValueMap<KeyType, ValueType, V
8PersistentValueMapTraits<KeyType, ValueType, is_weak>> { |
122 public: | 122 public: |
123 typedef V8PersistentValueMapTraits<KeyType, ValueType, is_weak> Traits; | 123 typedef V8PersistentValueMapTraits<KeyType, ValueType, is_weak> Traits; |
124 explicit V8PersistentValueMap(v8::Isolate* isolate) : v8::PersistentValueMap
<KeyType, ValueType, Traits>(isolate) { } | 124 explicit V8PersistentValueMap(v8::Isolate* isolate) : v8::PersistentValueMap
<KeyType, ValueType, Traits>(isolate) { } |
125 }; | 125 }; |
126 | 126 |
127 } // namespace blink | 127 } // namespace blink |
128 | 128 |
129 #endif // V8PersistentValueMap_h | 129 #endif // V8PersistentValueMap_h |
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