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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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