1 /* 2 * Copyright (C) 2007, 2008 Apple Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of 14 * its contributors may be used to endorse or promote products derived 15 * from this software without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY 18 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 19 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 20 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY 21 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 22 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 23 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 24 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #include "config.h" 30 #include "JSCustomSQLTransactionCallback.h" 31 32 #if ENABLE(DATABASE) 33 34 #include "Frame.h" 35 #include "JSCallbackData.h" 36 #include "JSDOMGlobalObject.h" 37 #include "JSSQLTransaction.h" 38 #include "Page.h" 39 #include "ScriptController.h" 40 #include <runtime/JSLock.h> 41 #include <wtf/MainThread.h> 42 #include <wtf/RefCountedLeakCounter.h> 43 44 namespace WebCore { 45 46 using namespace JSC; 47 48 #ifndef NDEBUG 49 static WTF::RefCountedLeakCounter counter("JSCustomSQLTransactionCallback"); 50 #endif 51 52 JSCustomSQLTransactionCallback::JSCustomSQLTransactionCallback(JSObject* callback, JSDOMGlobalObject* globalObject) 53 : m_data(new JSCallbackData(callback, globalObject)) 54 { 55 #ifndef NDEBUG 56 counter.increment(); 57 #endif 58 } 59 60 JSCustomSQLTransactionCallback::~JSCustomSQLTransactionCallback() 61 { 62 callOnMainThread(JSCallbackData::deleteData, m_data); 63 #ifndef NDEBUG 64 m_data = 0; 65 counter.decrement(); 66 #endif 67 } 68 69 void JSCustomSQLTransactionCallback::handleEvent(SQLTransaction* transaction, bool& raisedException) 70 { 71 ASSERT(m_data); 72 73 RefPtr<JSCustomSQLTransactionCallback> protect(this); 74 75 JSC::JSLock lock(SilenceAssertionsOnly); 76 ExecState* exec = m_data->globalObject()->globalExec(); 77 MarkedArgumentBuffer args; 78 args.append(toJS(exec, deprecatedGlobalObjectForPrototype(exec), transaction)); 79 m_data->invokeCallback(args, &raisedException); 80 } 81 82 } 83 84 #endif // ENABLE(DATABASE) 85