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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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124 const unsigned wrappersHandledByEachMinorGC = 10000; | 124 const unsigned wrappersHandledByEachMinorGC = 10000; |
125 if (m_nodesInNewSpace.size() >= wrappersHandledByEachMinorGC) | 125 if (m_nodesInNewSpace.size() >= wrappersHandledByEachMinorGC) |
126 return; | 126 return; |
127 | 127 |
128 // Casting to a Handle is safe here, since the Persistent doesn't get GC
d | 128 // Casting to a Handle is safe here, since the Persistent doesn't get GC
d |
129 // during the GC prologue. | 129 // during the GC prologue. |
130 ASSERT((*reinterpret_cast<v8::Handle<v8::Value>*>(value))->IsObject()); | 130 ASSERT((*reinterpret_cast<v8::Handle<v8::Value>*>(value))->IsObject()); |
131 v8::Handle<v8::Object>* wrapper = reinterpret_cast<v8::Handle<v8::Object
>*>(value); | 131 v8::Handle<v8::Object>* wrapper = reinterpret_cast<v8::Handle<v8::Object
>*>(value); |
132 ASSERT(V8DOMWrapper::isDOMWrapper(*wrapper)); | 132 ASSERT(V8DOMWrapper::isDOMWrapper(*wrapper)); |
133 ASSERT(V8Node::hasInstance(*wrapper, m_isolate)); | 133 ASSERT(V8Node::hasInstance(*wrapper, m_isolate)); |
134 Node* node = V8Node::toNative(*wrapper); | 134 Node* node = V8Node::toImpl(*wrapper); |
135 // A minor DOM GC can handle only node wrappers in the main world. | 135 // A minor DOM GC can handle only node wrappers in the main world. |
136 // Note that node->wrapper().IsEmpty() returns true for nodes that | 136 // Note that node->wrapper().IsEmpty() returns true for nodes that |
137 // do not have wrappers in the main world. | 137 // do not have wrappers in the main world. |
138 if (node->containsWrapper()) { | 138 if (node->containsWrapper()) { |
139 const WrapperTypeInfo* type = toWrapperTypeInfo(*wrapper); | 139 const WrapperTypeInfo* type = toWrapperTypeInfo(*wrapper); |
140 ActiveDOMObject* activeDOMObject = type->toActiveDOMObject(*wrapper)
; | 140 ActiveDOMObject* activeDOMObject = type->toActiveDOMObject(*wrapper)
; |
141 if (activeDOMObject && activeDOMObject->hasPendingActivity()) | 141 if (activeDOMObject && activeDOMObject->hasPendingActivity()) |
142 return; | 142 return; |
143 // FIXME: Remove the special handling for image elements. | 143 // FIXME: Remove the special handling for image elements. |
144 // The same special handling is in V8GCController::opaqueRootForGC()
. | 144 // The same special handling is in V8GCController::opaqueRootForGC()
. |
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267 return; | 267 return; |
268 | 268 |
269 const WrapperTypeInfo* type = toWrapperTypeInfo(*wrapper); | 269 const WrapperTypeInfo* type = toWrapperTypeInfo(*wrapper); |
270 | 270 |
271 ActiveDOMObject* activeDOMObject = type->toActiveDOMObject(*wrapper); | 271 ActiveDOMObject* activeDOMObject = type->toActiveDOMObject(*wrapper); |
272 if (activeDOMObject && activeDOMObject->hasPendingActivity()) | 272 if (activeDOMObject && activeDOMObject->hasPendingActivity()) |
273 m_isolate->SetObjectGroupId(*value, liveRootId()); | 273 m_isolate->SetObjectGroupId(*value, liveRootId()); |
274 | 274 |
275 if (classId == WrapperTypeInfo::NodeClassId) { | 275 if (classId == WrapperTypeInfo::NodeClassId) { |
276 ASSERT(V8Node::hasInstance(*wrapper, m_isolate)); | 276 ASSERT(V8Node::hasInstance(*wrapper, m_isolate)); |
277 Node* node = V8Node::toNative(*wrapper); | 277 Node* node = V8Node::toImpl(*wrapper); |
278 if (node->hasEventListeners()) | 278 if (node->hasEventListeners()) |
279 addReferencesForNodeWithEventListeners(m_isolate, node, v8::Pers
istent<v8::Object>::Cast(*value)); | 279 addReferencesForNodeWithEventListeners(m_isolate, node, v8::Pers
istent<v8::Object>::Cast(*value)); |
280 Node* root = V8GCController::opaqueRootForGC(node, m_isolate); | 280 Node* root = V8GCController::opaqueRootForGC(node, m_isolate); |
281 m_isolate->SetObjectGroupId(*value, v8::UniqueId(reinterpret_cast<in
tptr_t>(root))); | 281 m_isolate->SetObjectGroupId(*value, v8::UniqueId(reinterpret_cast<in
tptr_t>(root))); |
282 if (m_constructRetainedObjectInfos) | 282 if (m_constructRetainedObjectInfos) |
283 m_groupsWhichNeedRetainerInfo.append(root); | 283 m_groupsWhichNeedRetainerInfo.append(root); |
284 } else if (classId == WrapperTypeInfo::ObjectClassId) { | 284 } else if (classId == WrapperTypeInfo::ObjectClassId) { |
285 type->visitDOMWrapper(toInternalPointer(*wrapper), v8::Persistent<v8
::Object>::Cast(*value), m_isolate); | 285 type->visitDOMWrapper(toScriptWrappableBase(*wrapper), v8::Persisten
t<v8::Object>::Cast(*value), m_isolate); |
286 } else { | 286 } else { |
287 ASSERT_NOT_REACHED(); | 287 ASSERT_NOT_REACHED(); |
288 } | 288 } |
289 } | 289 } |
290 | 290 |
291 void notifyFinished() | 291 void notifyFinished() |
292 { | 292 { |
293 if (!m_constructRetainedObjectInfos) | 293 if (!m_constructRetainedObjectInfos) |
294 return; | 294 return; |
295 std::sort(m_groupsWhichNeedRetainerInfo.begin(), m_groupsWhichNeedRetain
erInfo.end()); | 295 std::sort(m_groupsWhichNeedRetainerInfo.begin(), m_groupsWhichNeedRetain
erInfo.end()); |
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450 static size_t lastUsageReportedToV8 = 0; | 450 static size_t lastUsageReportedToV8 = 0; |
451 | 451 |
452 size_t currentUsage = Partitions::currentDOMMemoryUsage(); | 452 size_t currentUsage = Partitions::currentDOMMemoryUsage(); |
453 int64_t diff = static_cast<int64_t>(currentUsage) - static_cast<int64_t>(las
tUsageReportedToV8); | 453 int64_t diff = static_cast<int64_t>(currentUsage) - static_cast<int64_t>(las
tUsageReportedToV8); |
454 isolate->AdjustAmountOfExternalAllocatedMemory(diff); | 454 isolate->AdjustAmountOfExternalAllocatedMemory(diff); |
455 | 455 |
456 lastUsageReportedToV8 = currentUsage; | 456 lastUsageReportedToV8 = currentUsage; |
457 } | 457 } |
458 | 458 |
459 } // namespace blink | 459 } // namespace blink |
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