/* * Copyright (C) 2011 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" #if ENABLE(MUTATION_OBSERVERS) #include "JSMutationCallback.h" #include "JSDOMWindowBase.h" #include "JSMutationRecord.h" #include "JSWebKitMutationObserver.h" #include "ScriptExecutionContext.h" #include <runtime/JSLock.h> using namespace JSC; namespace WebCore { bool JSMutationCallback::handleEvent(MutationRecordArray* mutations, WebKitMutationObserver* observer) { if (!canInvokeCallback()) return true; RefPtr<JSMutationCallback> protect(this); JSLockHolder lock(JSDOMWindowBase::commonJSGlobalData()); ExecState* exec = m_data->globalObject()->globalExec(); MarkedArgumentBuffer mutationList; for (size_t i = 0; i < mutations->size(); ++i) mutationList.append(toJS(exec, m_data->globalObject(), mutations->at(i).get())); JSValue jsObserver = toJS(exec, m_data->globalObject(), observer); MarkedArgumentBuffer args; args.append(constructArray(exec, m_data->globalObject(), mutationList)); args.append(jsObserver); bool raisedException = false; m_data->invokeCallback(jsObserver, args, &raisedException); return !raisedException; } } // namespace WebCore #endif // ENABLE(MUTATION_OBSERVERS)