1 /* 2 * Copyright (C) 2007 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 "JSCustomVoidCallback.h" 31 32 #include "Frame.h" 33 #include "JSCallbackData.h" 34 #include "JSDOMWindowCustom.h" 35 #include "ScriptController.h" 36 #include <runtime/JSLock.h> 37 #include <wtf/MainThread.h> 38 39 namespace WebCore { 40 41 using namespace JSC; 42 43 JSCustomVoidCallback::JSCustomVoidCallback(JSObject* callback, JSDOMGlobalObject* globalObject) 44 : m_data(new JSCallbackData(callback, globalObject)) 45 , m_scriptExecutionContext(globalObject->scriptExecutionContext()) 46 { 47 } 48 49 JSCustomVoidCallback::~JSCustomVoidCallback() 50 { 51 if (m_scriptExecutionContext->isContextThread()) 52 delete m_data; 53 else 54 m_scriptExecutionContext->postTask(DeleteCallbackDataTask::create(m_data)); 55 #ifndef NDEBUG 56 m_data = 0; 57 #endif 58 } 59 60 void JSCustomVoidCallback::handleEvent() 61 { 62 ASSERT(m_data); 63 64 RefPtr<JSCustomVoidCallback> protect(this); 65 66 JSC::JSLock lock(SilenceAssertionsOnly); 67 MarkedArgumentBuffer args; 68 m_data->invokeCallback(args); 69 } 70 71 } // namespace WebCore 72
