/* | |
* Copyright (C) 2007, 2008, 2009 Apple 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: | |
* | |
* 1. Redistributions of source code must retain the above copyright | |
* notice, this list of conditions and the following disclaimer. | |
* 2. 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. | |
* 3. Neither the name of Apple Computer, Inc. ("Apple") 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 APPLE AND ITS 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 APPLE OR ITS 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 | |
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
*/ | |
#ifndef JSCallbackData_h | |
#define JSCallbackData_h | |
#include "JSDOMBinding.h" | |
#include "JSDOMGlobalObject.h" | |
#include <runtime/JSObject.h> | |
#include <runtime/Protect.h> | |
#include <wtf/Threading.h> | |
namespace WebCore { | |
// We have to clean up this data on the main thread because unprotecting a | |
// JSObject on a non-main thread without synchronization would corrupt the heap | |
// (and synchronization would be slow). | |
class JSCallbackData { | |
public: | |
static void deleteData(void*); | |
JSCallbackData(JSC::JSObject* callback, JSDOMGlobalObject* globalObject) | |
: m_callback(callback) | |
, m_globalObject(globalObject) | |
{ | |
} | |
~JSCallbackData() | |
{ | |
ASSERT(isMainThread()); | |
} | |
JSC::JSObject* callback() { return m_callback.get(); } | |
JSDOMGlobalObject* globalObject() { return m_globalObject.get(); } | |
JSC::JSValue invokeCallback(JSC::MarkedArgumentBuffer&, bool* raisedException = 0); | |
private: | |
JSC::ProtectedPtr<JSC::JSObject> m_callback; | |
JSC::ProtectedPtr<JSDOMGlobalObject> m_globalObject; | |
}; | |
} // namespace WebCore | |
#endif // JSCallbackData_h |