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/*
* Copyright (C) 2007 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
* (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"
#include "JSCustomVoidCallback.h"
#include "CString.h"
#include "Console.h"
#include "DOMWindow.h"
#include "Frame.h"
#include "JSDOMWindowCustom.h"
#include "JSDOMBinding.h"
#include "ScriptController.h"
namespace WebCore {
using namespace KJS;
JSCustomVoidCallback::JSCustomVoidCallback(JSObject* callback, Frame* frame)
: m_callback(callback)
, m_frame(frame)
{
}
void JSCustomVoidCallback::handleEvent()
{
ASSERT(m_callback);
ASSERT(m_frame);
if (!m_frame->scriptProxy()->isEnabled())
return;
JSGlobalObject* globalObject = m_frame->scriptProxy()->globalObject();
ExecState* exec = globalObject->globalExec();
KJS::JSLock lock;
JSValue* handleEventFuncValue = m_callback->get(exec, "handleEvent");
JSObject* handleEventFunc = 0;
if (handleEventFuncValue->isObject()) {
handleEventFunc = static_cast<JSObject*>(handleEventFuncValue);
if (!handleEventFunc->implementsCall())
handleEventFunc = 0;
}
if (!handleEventFunc && !m_callback->implementsCall()) {
// FIXME: Should an exception be thrown here?
return;
}
RefPtr<JSCustomVoidCallback> protect(this);
List args;
globalObject->startTimeoutCheck();
if (handleEventFunc)
handleEventFunc->callAsFunction(exec, m_callback, args);
else
m_callback->callAsFunction(exec, m_callback, args);
globalObject->stopTimeoutCheck();
if (exec->hadException()) {
JSObject* exception = exec->exception()->toObject(exec);
String message = exception->get(exec, exec->propertyNames().message)->toString(exec);
int lineNumber = exception->get(exec, "line")->toInt32(exec);
String sourceURL = exception->get(exec, "sourceURL")->toString(exec);
m_frame->domWindow()->console()->addMessage(JSMessageSource, ErrorMessageLevel, message, lineNumber, sourceURL);
exec->clearException();
}
Document::updateDocumentsRendering();
}
PassRefPtr<VoidCallback> toVoidCallback(ExecState* exec, JSValue* value)
{
JSObject* object = value->getObject();
if (!object)
return 0;
Frame* frame = asJSDOMWindow(exec->dynamicGlobalObject())->impl()->frame();
if (!frame)
return 0;
return JSCustomVoidCallback::create(object, frame);
}
}
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