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     m_scriptExecutionContext->postTask(DeleteCallbackDataTask::create(m_data));

    52 #ifndef NDEBUG

    53     m_data = 0;

    54 #endif

    55 }

    56     

    57 void JSCustomVoidCallback::handleEvent()

    58 {

    59     ASSERT(m_data);

    60 

    61     RefPtr<JSCustomVoidCallback> protect(this);

    62         

    63     JSC::JSLock lock(SilenceAssertionsOnly);

    64     MarkedArgumentBuffer args;

    65     m_data->invokeCallback(args);

    66 }

    67 

    68 } // namespace WebCore