/*

 * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)

 * Copyright (C) 2009 University of Szeged

 *

 * 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.

 *

 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``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 COMPUTER, INC. OR

 * 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 "urlloader.h"

#include <QFile>

#include <QDebug>

UrlLoader::UrlLoader(QWebFrame* frame, const QString& inputFileName)

    : m_frame(frame)

    , m_stdOut(stdout)

    , m_loaded(0)

{

    init(inputFileName);

}

void UrlLoader::loadNext()

{

    QString qstr;

    if (getUrl(qstr)) {

        QUrl url(qstr, QUrl::StrictMode);

        if (url.isValid()) {

            m_stdOut << "Loading " << qstr << " ......" << ++m_loaded << endl;

            m_frame->load(url);

        } else

            loadNext();

    } else

        disconnect(m_frame, 0, this, 0);

}

void UrlLoader::init(const QString& inputFileName)

{

    QFile inputFile(inputFileName);

    if (inputFile.open(QIODevice::ReadOnly | QIODevice::Text)) {

        QTextStream stream(&inputFile);

        QString line;

        while (true) {

            line = stream.readLine();

            if (line.isNull())

                break;

            m_urls.append(line);

        }

    } else {

        qDebug() << "Can't open list file";

        exit(0);

    }

    m_index = 0;

    inputFile.close();

}

bool UrlLoader::getUrl(QString& qstr)

{

    if (m_index == m_urls.size())

        return false;

    qstr = m_urls[m_index++];

    return true;

}