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Diffstat (limited to 'WebCore/bindings/v8/DOMData.h')
-rw-r--r-- | WebCore/bindings/v8/DOMData.h | 114 |
1 files changed, 0 insertions, 114 deletions
diff --git a/WebCore/bindings/v8/DOMData.h b/WebCore/bindings/v8/DOMData.h deleted file mode 100644 index 78edf92..0000000 --- a/WebCore/bindings/v8/DOMData.h +++ /dev/null @@ -1,114 +0,0 @@ -/* - * Copyright (C) 2009 Google Inc. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are - * met: - * - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above - * copyright notice, this list of conditions and the following disclaimer - * in the documentation and/or other materials provided with the - * distribution. - * * Neither the name of Google Inc. nor the names of its - * contributors may be used to endorse or promote products derived from - * this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -#ifndef DOMData_h -#define DOMData_h - -#include "DOMDataStore.h" -#include "V8DOMWrapper.h" - -namespace WebCore { - - // DOMData - // - // DOMData represents the all the DOM wrappers for a given thread. In - // particular, DOMData holds wrappers for all the isolated worlds in the - // thread. The DOMData for the main thread and the DOMData for child threads - // use different subclasses. - // - class DOMData : public Noncopyable { - public: - DOMData(); - virtual ~DOMData(); - - static DOMData* getCurrent(); - virtual DOMDataStore& getStore() = 0; - - template<typename T> - static void handleWeakObject(DOMDataStore::DOMWrapperMapType, v8::Persistent<v8::Object>, T* domObject); - - template<typename T> - static void removeObjectsFromWrapperMap(DOMDataStore* store, AbstractWeakReferenceMap<T, v8::Object>& domMap); - - ThreadIdentifier owningThread() const { return m_owningThread; } - - private: - static void derefObject(WrapperTypeInfo* type, void* domObject); - - template<typename T> - class WrapperMapObjectRemover : public WeakReferenceMap<T, v8::Object>::Visitor { - public: - virtual void visitDOMWrapper(DOMDataStore* store, T* domObject, v8::Persistent<v8::Object> v8Object) - { - WrapperTypeInfo* type = V8DOMWrapper::domWrapperType(v8Object); - derefObject(type, domObject); - v8Object.Dispose(); - } - }; - - ThreadIdentifier m_owningThread; - }; - - template<typename T> - void DOMData::handleWeakObject(DOMDataStore::DOMWrapperMapType mapType, v8::Persistent<v8::Object> v8Object, T* domObject) - { - WrapperTypeInfo* type = V8DOMWrapper::domWrapperType(v8Object); - DOMDataList& list = DOMDataStore::allStores(); - bool found = false; - for (size_t i = 0; i < list.size(); ++i) { - DOMDataStore* store = list[i]; - ASSERT(store->domData()->owningThread() == WTF::currentThread()); - - DOMWrapperMap<T>* domMap = static_cast<DOMWrapperMap<T>*>(store->getDOMWrapperMap(mapType)); - if (domMap->removeIfPresent(domObject, v8Object)) { - derefObject(type, domObject); - found = true; - } - } - - // If not found, it means map for the wrapper has been already destroyed, just dispose the - // handle and deref the object to fight memory leak. - if (!found) { - v8Object.Dispose(); - derefObject(type, domObject); - } - } - - template<typename T> - void DOMData::removeObjectsFromWrapperMap(DOMDataStore* store, AbstractWeakReferenceMap<T, v8::Object>& domMap) - { - WrapperMapObjectRemover<T> remover; - domMap.visit(store, &remover); - domMap.clear(); - } - -} // namespace WebCore - -#endif // DOMData_h |