/*
 *  Copyright (C) 2000 Harri Porten (porten@kde.org)
 *  Copyright (C) 2006 Jon Shier (jshier@iastate.edu)
 *  Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008 Apple Inc. All rights reseved.
 *  Copyright (C) 2006 Alexey Proskuryakov (ap@webkit.org)
 *
 *  This library is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Lesser General Public
 *  License as published by the Free Software Foundation; either
 *  version 2 of the License, or (at your option) any later version.
 *
 *  This library is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 *  Lesser General Public License for more details.
 *
 *  You should have received a copy of the GNU Lesser General Public
 *  License along with this library; if not, write to the Free Software
 *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301
 *  USA
 */

#include "config.h"
#include "ScheduledAction.h"

#include "CString.h"
#include "Console.h"
#include "DOMWindow.h"
#include "Document.h"
#include "Frame.h"
#include "FrameLoader.h"
#include "JSDOMWindow.h"
#include "ScriptController.h"

using namespace KJS;

namespace WebCore {

ScheduledAction::ScheduledAction(JSValue* function, const ArgList& args)
    : m_function(function)
{
    ArgList::const_iterator end = args.end();
    for (ArgList::const_iterator it = args.begin(); it != end; ++it)
        m_args.append(*it);
}


void ScheduledAction::execute(JSDOMWindowShell* windowShell)
{
    RefPtr<Frame> frame = windowShell->window()->impl()->frame();
    if (!frame)
        return;

    if (!frame->script()->isEnabled())
        return;

    frame->script()->setProcessingTimerCallback(true);

    JSLock lock;

    if (m_function) {
        CallData callData;
        CallType callType = m_function->getCallData(callData);
        if (callType != CallTypeNone) {
            JSDOMWindow* window = windowShell->window();
            ExecState* exec = window->globalExec();

            ArgList args;
            size_t size = m_args.size();
            for (size_t i = 0; i < size; ++i)
                args.append(m_args[i]);

            window->startTimeoutCheck();
            call(exec, m_function, callType, callData, windowShell, args);
            window->stopTimeoutCheck();
            if (exec->hadException()) {
                JSObject* exception = exec->exception()->toObject(exec);
                exec->clearException();
                String message = exception->get(exec, exec->propertyNames().message)->toString(exec);
                int lineNumber = exception->get(exec, Identifier(exec, "line"))->toInt32(exec);
                frame->domWindow()->console()->addMessage(JSMessageSource, ErrorMessageLevel, message, lineNumber, String());
            }
        }
    } else
        frame->loader()->executeScript(m_code);

    // Update our document's rendering following the execution of the timeout callback.
    // FIXME: Why not use updateDocumentsRendering to update rendering of all documents?
    // FIXME: Is this really the right point to do the update? We need a place that works
    // for all possible entry points that might possibly execute script, but this seems
    // to be a bit too low-level.
    if (Document* document = frame->document())
        document->updateRendering();

    frame->script()->setProcessingTimerCallback(false);
}

} // namespace WebCore