/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
 * vim: sw=4 ts=4 et :
 * ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is Mozilla Plugin App.
 *
 * The Initial Developer of the Original Code is mozilla.org code.
 * Portions created by the Initial Developer are Copyright (C) 2010
 * the Initial Developer. All Rights Reserved.
 *
 * Contributors(s):
 *  Tero Koskinen <tero.koskinen@iki.fi>  (Original Author)
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either the GNU General Public License Version 2 or later (the "GPL"), or
 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
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 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the MPL, the GPL or the LGPL.
 *
 * ***** END LICENSE BLOCK ***** */

#include <QtCore/QTimer>

#include "NestedLoopTimer.h"
#include "mozilla/plugins/PluginModuleChild.h"

namespace mozilla {
namespace plugins {

NestedLoopTimer::NestedLoopTimer(PluginModuleChild *pmc):
     QObject(), mModule(pmc), mQTimer(NULL)
{
}

NestedLoopTimer::~NestedLoopTimer()
{
    if (mQTimer) {
        mQTimer->stop();
        delete mQTimer;
        mQTimer = NULL;
    }
}

void NestedLoopTimer::timeOut()
{
    // just detected a nested loop; start a timer that will
    // periodically rpc-call back into the browser and process some
    // events
    mQTimer = new QTimer(this);
    QObject::connect(mQTimer, SIGNAL(timeout()), this,
                     SLOT(processSomeEvents()));
    mQTimer->setInterval(kNestedLoopDetectorIntervalMs);
    mQTimer->start();
}

void NestedLoopTimer::processSomeEvents()
{
    if (mModule)
        mModule->CallProcessSomeEvents();
}

} /* namespace plugins */
} /* namespace mozilla */