| /* |
| * 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. |
| */ |
| |
| #include "config.h" |
| #include "V8DOMMap.h" |
| |
| #include "DOMData.h" |
| #include "DOMDataStore.h" |
| #include "DOMObjectsInclude.h" |
| #include "MainThreadDOMData.h" |
| #include "ScopedDOMDataStore.h" |
| |
| namespace WebCore { |
| |
| DOMDataStoreHandle::DOMDataStoreHandle() |
| : m_store(new ScopedDOMDataStore(DOMData::getCurrent())) |
| { |
| } |
| |
| DOMDataStoreHandle::~DOMDataStoreHandle() |
| { |
| } |
| |
| static bool fasterDOMStoreAccess = false; |
| |
| static inline DOMDataStore& getDOMDataStore() |
| { |
| if (LIKELY(fasterDOMStoreAccess)) { |
| ASSERT(WTF::isMainThread()); |
| return MainThreadDOMData::getCurrentMainThreadStore(); |
| } |
| |
| return DOMData::getCurrent()->getStore(); |
| } |
| |
| void enableFasterDOMStoreAccess() |
| { |
| fasterDOMStoreAccess = true; |
| } |
| |
| DOMNodeMapping& getDOMNodeMap() |
| { |
| return getDOMDataStore().domNodeMap(); |
| } |
| |
| DOMWrapperMap<void>& getDOMObjectMap() |
| { |
| return getDOMDataStore().domObjectMap(); |
| } |
| |
| DOMWrapperMap<void>& getActiveDOMObjectMap() |
| { |
| return getDOMDataStore().activeDomObjectMap(); |
| } |
| |
| #if ENABLE(SVG) |
| |
| DOMWrapperMap<SVGElementInstance>& getDOMSVGElementInstanceMap() |
| { |
| return getDOMDataStore().domSvgElementInstanceMap(); |
| } |
| |
| // Map of SVG objects with contexts to V8 objects |
| DOMWrapperMap<void>& getDOMSVGObjectWithContextMap() |
| { |
| return getDOMDataStore().domSvgObjectWithContextMap(); |
| } |
| |
| #endif // ENABLE(SVG) |
| |
| static void removeAllDOMObjectsInCurrentThreadHelper() |
| { |
| v8::HandleScope scope; |
| |
| // Deref all objects in the delayed queue. |
| DOMData::getCurrent()->derefDelayedObjects(); |
| |
| // The DOM objects with the following types only exist on the main thread. |
| if (WTF::isMainThread()) { |
| // Remove all DOM nodes. |
| DOMData::removeObjectsFromWrapperMap<Node>(getDOMNodeMap()); |
| |
| #if ENABLE(SVG) |
| // Remove all SVG element instances in the wrapper map. |
| DOMData::removeObjectsFromWrapperMap<SVGElementInstance>(getDOMSVGElementInstanceMap()); |
| |
| // Remove all SVG objects with context in the wrapper map. |
| DOMData::removeObjectsFromWrapperMap<void>(getDOMSVGObjectWithContextMap()); |
| #endif |
| } |
| |
| // Remove all DOM objects in the wrapper map. |
| DOMData::removeObjectsFromWrapperMap<void>(getDOMObjectMap()); |
| |
| // Remove all active DOM objects in the wrapper map. |
| DOMData::removeObjectsFromWrapperMap<void>(getActiveDOMObjectMap()); |
| } |
| |
| void removeAllDOMObjectsInCurrentThread() |
| { |
| // Use the locker only if it has already been invoked before, as by worker thread. |
| if (v8::Locker::IsActive()) { |
| v8::Locker locker; |
| removeAllDOMObjectsInCurrentThreadHelper(); |
| } else |
| removeAllDOMObjectsInCurrentThreadHelper(); |
| } |
| |
| |
| void visitDOMNodesInCurrentThread(DOMWrapperMap<Node>::Visitor* visitor) |
| { |
| v8::HandleScope scope; |
| |
| WTF::MutexLocker locker(DOMDataStore::allStoresMutex()); |
| DOMDataList& list = DOMDataStore::allStores(); |
| for (size_t i = 0; i < list.size(); ++i) { |
| DOMDataStore* store = list[i]; |
| if (!store->domData()->owningThread() == WTF::currentThread()) |
| continue; |
| |
| store->domNodeMap().visit(visitor); |
| } |
| } |
| |
| void visitDOMObjectsInCurrentThread(DOMWrapperMap<void>::Visitor* visitor) |
| { |
| v8::HandleScope scope; |
| |
| WTF::MutexLocker locker(DOMDataStore::allStoresMutex()); |
| DOMDataList& list = DOMDataStore::allStores(); |
| for (size_t i = 0; i < list.size(); ++i) { |
| DOMDataStore* store = list[i]; |
| if (!store->domData()->owningThread() == WTF::currentThread()) |
| continue; |
| |
| store->domObjectMap().visit(visitor); |
| } |
| } |
| |
| void visitActiveDOMObjectsInCurrentThread(DOMWrapperMap<void>::Visitor* visitor) |
| { |
| v8::HandleScope scope; |
| |
| WTF::MutexLocker locker(DOMDataStore::allStoresMutex()); |
| DOMDataList& list = DOMDataStore::allStores(); |
| for (size_t i = 0; i < list.size(); ++i) { |
| DOMDataStore* store = list[i]; |
| if (!store->domData()->owningThread() == WTF::currentThread()) |
| continue; |
| |
| store->activeDomObjectMap().visit(visitor); |
| } |
| } |
| |
| #if ENABLE(SVG) |
| |
| void visitDOMSVGElementInstancesInCurrentThread(DOMWrapperMap<SVGElementInstance>::Visitor* visitor) |
| { |
| v8::HandleScope scope; |
| |
| WTF::MutexLocker locker(DOMDataStore::allStoresMutex()); |
| DOMDataList& list = DOMDataStore::allStores(); |
| for (size_t i = 0; i < list.size(); ++i) { |
| DOMDataStore* store = list[i]; |
| if (!store->domData()->owningThread() == WTF::currentThread()) |
| continue; |
| |
| store->domSvgElementInstanceMap().visit(visitor); |
| } |
| } |
| |
| void visitSVGObjectsInCurrentThread(DOMWrapperMap<void>::Visitor* visitor) |
| { |
| v8::HandleScope scope; |
| |
| WTF::MutexLocker locker(DOMDataStore::allStoresMutex()); |
| DOMDataList& list = DOMDataStore::allStores(); |
| for (size_t i = 0; i < list.size(); ++i) { |
| DOMDataStore* store = list[i]; |
| if (!store->domData()->owningThread() == WTF::currentThread()) |
| continue; |
| |
| store->domSvgObjectWithContextMap().visit(visitor); |
| } |
| } |
| |
| #endif |
| |
| } // namespace WebCore |