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1 /* | 1 /* |
2 * Copyright (C) 2009 Google Inc. All rights reserved. | 2 * Copyright (C) 2009 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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39 #include "platform/bindings/WrapperTypeInfo.h" | 39 #include "platform/bindings/WrapperTypeInfo.h" |
40 #include "platform/wtf/Allocator.h" | 40 #include "platform/wtf/Allocator.h" |
41 #include "platform/wtf/Noncopyable.h" | 41 #include "platform/wtf/Noncopyable.h" |
42 #include "platform/wtf/Optional.h" | 42 #include "platform/wtf/Optional.h" |
43 #include "platform/wtf/StackUtil.h" | 43 #include "platform/wtf/StackUtil.h" |
44 #include "platform/wtf/StdLibExtras.h" | 44 #include "platform/wtf/StdLibExtras.h" |
45 #include "v8/include/v8.h" | 45 #include "v8/include/v8.h" |
46 | 46 |
47 namespace blink { | 47 namespace blink { |
48 | 48 |
| 49 // Holds a DOMWrapperMap specialized to map between ScriptWrappable objects and |
| 50 // their wrappers and provides an API to perform common operations with this map |
| 51 // and manage wrappers in a single world. Each world (DOMWrapperWorld) holds a |
| 52 // single DOMWrapperMap instance to hold wrappers only for that world. |
49 class DOMDataStore { | 53 class DOMDataStore { |
50 WTF_MAKE_NONCOPYABLE(DOMDataStore); | 54 WTF_MAKE_NONCOPYABLE(DOMDataStore); |
51 USING_FAST_MALLOC(DOMDataStore); | 55 USING_FAST_MALLOC(DOMDataStore); |
52 | 56 |
53 public: | 57 public: |
54 DOMDataStore(v8::Isolate* isolate, bool is_main_world) | 58 DOMDataStore(v8::Isolate* isolate, bool is_main_world) |
55 : is_main_world_(is_main_world) { | 59 : is_main_world_(is_main_world) { |
56 // We never use |m_wrapperMap| when it's the main world. | 60 // We never use |m_wrapperMap| when it's the main world. |
57 if (!is_main_world) | 61 if (!is_main_world) |
58 wrapper_map_.emplace(isolate); | 62 wrapper_map_.emplace(isolate); |
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190 template <> | 194 template <> |
191 inline void | 195 inline void |
192 DOMWrapperMap<ScriptWrappable>::PersistentValueMapTraits::DisposeWeak( | 196 DOMWrapperMap<ScriptWrappable>::PersistentValueMapTraits::DisposeWeak( |
193 const v8::WeakCallbackInfo<WeakCallbackDataType>&) { | 197 const v8::WeakCallbackInfo<WeakCallbackDataType>&) { |
194 WrapperTypeInfo::WrapperDestroyed(); | 198 WrapperTypeInfo::WrapperDestroyed(); |
195 } | 199 } |
196 | 200 |
197 } // namespace blink | 201 } // namespace blink |
198 | 202 |
199 #endif // DOMDataStore_h | 203 #endif // DOMDataStore_h |
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