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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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61 | 61 |
62 static const int mainWorldExtensionGroup = 0; | 62 static const int mainWorldExtensionGroup = 0; |
63 static const int privateScriptIsolatedWorldExtensionGroup = 1; | 63 static const int privateScriptIsolatedWorldExtensionGroup = 1; |
64 static PassRefPtr<DOMWrapperWorld> ensureIsolatedWorld(v8::Isolate*, int wor
ldId, int extensionGroup); | 64 static PassRefPtr<DOMWrapperWorld> ensureIsolatedWorld(v8::Isolate*, int wor
ldId, int extensionGroup); |
65 ~DOMWrapperWorld(); | 65 ~DOMWrapperWorld(); |
66 void dispose(); | 66 void dispose(); |
67 | 67 |
68 static bool isolatedWorldsExist() { return isolatedWorldCount; } | 68 static bool isolatedWorldsExist() { return isolatedWorldCount; } |
69 static void allWorldsInMainThread(Vector<RefPtr<DOMWrapperWorld>>& worlds); | 69 static void allWorldsInMainThread(Vector<RefPtr<DOMWrapperWorld>>& worlds); |
70 | 70 |
71 static DOMWrapperWorld& world(v8::Handle<v8::Context> context) | 71 static DOMWrapperWorld& world(v8::Local<v8::Context> context) |
72 { | 72 { |
73 return ScriptState::from(context)->world(); | 73 return ScriptState::from(context)->world(); |
74 } | 74 } |
75 | 75 |
76 static DOMWrapperWorld& current(v8::Isolate* isolate) | 76 static DOMWrapperWorld& current(v8::Isolate* isolate) |
77 { | 77 { |
78 if (isMainThread() && worldOfInitializingWindow) { | 78 if (isMainThread() && worldOfInitializingWindow) { |
79 // It's possible that current() is being called while window is bein
g initialized. | 79 // It's possible that current() is being called while window is bein
g initialized. |
80 // In order to make current() workable during the initialization pha
se, | 80 // In order to make current() workable during the initialization pha
se, |
81 // we cache the world of the initializing window on worldOfInitializ
ingWindow. | 81 // we cache the world of the initializing window on worldOfInitializ
ingWindow. |
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119 | 119 |
120 static void setWorldOfInitializingWindow(DOMWrapperWorld* world) | 120 static void setWorldOfInitializingWindow(DOMWrapperWorld* world) |
121 { | 121 { |
122 ASSERT(isMainThread()); | 122 ASSERT(isMainThread()); |
123 worldOfInitializingWindow = world; | 123 worldOfInitializingWindow = world; |
124 } | 124 } |
125 | 125 |
126 private: | 126 private: |
127 class DOMObjectHolderBase { | 127 class DOMObjectHolderBase { |
128 public: | 128 public: |
129 DOMObjectHolderBase(v8::Isolate* isolate, v8::Handle<v8::Value> wrapper) | 129 DOMObjectHolderBase(v8::Isolate* isolate, v8::Local<v8::Value> wrapper) |
130 : m_wrapper(isolate, wrapper) | 130 : m_wrapper(isolate, wrapper) |
131 , m_world(0) | 131 , m_world(0) |
132 { | 132 { |
133 } | 133 } |
134 virtual ~DOMObjectHolderBase() { } | 134 virtual ~DOMObjectHolderBase() { } |
135 | 135 |
136 DOMWrapperWorld* world() const { return m_world; } | 136 DOMWrapperWorld* world() const { return m_world; } |
137 void setWorld(DOMWrapperWorld* world) { m_world = world; } | 137 void setWorld(DOMWrapperWorld* world) { m_world = world; } |
138 void setWeak(void (*callback)(const v8::WeakCallbackInfo<DOMObjectHolder
Base>&)) | 138 void setWeak(void (*callback)(const v8::WeakCallbackInfo<DOMObjectHolder
Base>&)) |
139 { | 139 { |
140 m_wrapper.setWeak(this, callback); | 140 m_wrapper.setWeak(this, callback); |
141 } | 141 } |
142 | 142 |
143 private: | 143 private: |
144 ScopedPersistent<v8::Value> m_wrapper; | 144 ScopedPersistent<v8::Value> m_wrapper; |
145 DOMWrapperWorld* m_world; | 145 DOMWrapperWorld* m_world; |
146 }; | 146 }; |
147 | 147 |
148 template<typename T> | 148 template<typename T> |
149 class DOMObjectHolder : public DOMObjectHolderBase { | 149 class DOMObjectHolder : public DOMObjectHolderBase { |
150 public: | 150 public: |
151 static PassOwnPtr<DOMObjectHolder<T>> create(v8::Isolate* isolate, T* ob
ject, v8::Handle<v8::Value> wrapper) | 151 static PassOwnPtr<DOMObjectHolder<T>> create(v8::Isolate* isolate, T* ob
ject, v8::Local<v8::Value> wrapper) |
152 { | 152 { |
153 return adoptPtr(new DOMObjectHolder(isolate, object, wrapper)); | 153 return adoptPtr(new DOMObjectHolder(isolate, object, wrapper)); |
154 } | 154 } |
155 | 155 |
156 private: | 156 private: |
157 DOMObjectHolder(v8::Isolate* isolate, T* object, v8::Handle<v8::Value> w
rapper) | 157 DOMObjectHolder(v8::Isolate* isolate, T* object, v8::Local<v8::Value> wr
apper) |
158 : DOMObjectHolderBase(isolate, wrapper) | 158 : DOMObjectHolderBase(isolate, wrapper) |
159 , m_object(object) | 159 , m_object(object) |
160 { | 160 { |
161 } | 161 } |
162 | 162 |
163 Persistent<T> m_object; | 163 Persistent<T> m_object; |
164 }; | 164 }; |
165 | 165 |
166 public: | 166 public: |
167 template<typename T> | 167 template<typename T> |
168 void registerDOMObjectHolder(v8::Isolate* isolate, T* object, v8::Handle<v8:
:Value> wrapper) | 168 void registerDOMObjectHolder(v8::Isolate* isolate, T* object, v8::Local<v8::
Value> wrapper) |
169 { | 169 { |
170 registerDOMObjectHolderInternal(DOMObjectHolder<T>::create(isolate, obje
ct, wrapper)); | 170 registerDOMObjectHolderInternal(DOMObjectHolder<T>::create(isolate, obje
ct, wrapper)); |
171 } | 171 } |
172 | 172 |
173 private: | 173 private: |
174 DOMWrapperWorld(v8::Isolate*, int worldId, int extensionGroup); | 174 DOMWrapperWorld(v8::Isolate*, int worldId, int extensionGroup); |
175 | 175 |
176 static void weakCallbackForDOMObjectHolder(const v8::WeakCallbackInfo<DOMObj
ectHolderBase>&); | 176 static void weakCallbackForDOMObjectHolder(const v8::WeakCallbackInfo<DOMObj
ectHolderBase>&); |
177 void registerDOMObjectHolderInternal(PassOwnPtr<DOMObjectHolderBase>); | 177 void registerDOMObjectHolderInternal(PassOwnPtr<DOMObjectHolderBase>); |
178 void unregisterDOMObjectHolder(DOMObjectHolderBase*); | 178 void unregisterDOMObjectHolder(DOMObjectHolderBase*); |
179 | 179 |
180 static unsigned isolatedWorldCount; | 180 static unsigned isolatedWorldCount; |
181 static DOMWrapperWorld* worldOfInitializingWindow; | 181 static DOMWrapperWorld* worldOfInitializingWindow; |
182 | 182 |
183 const int m_worldId; | 183 const int m_worldId; |
184 const int m_extensionGroup; | 184 const int m_extensionGroup; |
185 OwnPtr<DOMDataStore> m_domDataStore; | 185 OwnPtr<DOMDataStore> m_domDataStore; |
186 HashSet<OwnPtr<DOMObjectHolderBase>> m_domObjectHolders; | 186 HashSet<OwnPtr<DOMObjectHolderBase>> m_domObjectHolders; |
187 }; | 187 }; |
188 | 188 |
189 } // namespace blink | 189 } // namespace blink |
190 | 190 |
191 #endif // DOMWrapperWorld_h | 191 #endif // DOMWrapperWorld_h |
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