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path: root/rbutil/rbutilqt/installzip.cpp
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/***************************************************************************
 *             __________               __   ___.
 *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
 *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
 *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
 *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
 *                     \/            \/     \/    \/            \/
 *
 *   Copyright (C) 2007 by Dominik Wenger
 *   $Id$
 *
 * All files in this archive are subject to the GNU General Public License.
 * See the file COPYING in the source tree root for full license agreement.
 *
 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
 * KIND, either express or implied.
 *
 ****************************************************************************/
 
#include "installzip.h"

#include "zip/zip.h"
#include "zip/unzip.h"

ZipInstaller::ZipInstaller(QObject* parent): QObject(parent) 
{
    m_unzip = true;
}


void ZipInstaller::install(ProgressloggerInterface *dp)
{
    qDebug() << "install(ProgressloggerInterface*)";
    m_dp = dp;
    runner = 0;
    connect(this, SIGNAL(cont()), this, SLOT(installContinue()));
    m_url = m_urllist.at(runner);
    m_logsection = m_loglist.at(runner);
    m_logver = m_verlist.at(runner);
    installStart();

}


void ZipInstaller::installContinue()
{
    qDebug() << "installContinue()";
    
    runner++; // this gets called when a install finished, so increase first.
    qDebug() << "runner is now at" << runner << "size is" << m_urllist.size();
    if(runner < m_urllist.size()) {
        qDebug() << "==> runner at" << runner;
        m_dp->addItem(tr("done."), LOGOK);
        m_url = m_urllist.at(runner);
        m_logsection = m_loglist.at(runner);
        if(runner < m_verlist.size()) m_logver = m_verlist.at(runner);
        else m_logver = "0";
        installStart();
    }
    else {
        m_dp->addItem(tr("Installation finished successfully."),LOGOK);
        m_dp->abort();

        emit done(false);
        return;
    }

}


void ZipInstaller::installStart()
{
    qDebug() << "installStart()";

    m_dp->addItem(tr("Downloading file %1.%2")
            .arg(QFileInfo(m_url).baseName(), QFileInfo(m_url).completeSuffix()),LOGINFO);

    // temporary file needs to be opened to get the filename
    // make sure to get a fresh one on each run.
    // making this a parent of the temporary file ensures the file gets deleted
    // after the class object gets destroyed.
    downloadFile = new QTemporaryFile(this);
    downloadFile->open();
    m_file = downloadFile->fileName();
    downloadFile->close();
    // get the real file.
    getter = new HttpGet(this);
    getter->setProxy(m_proxy);
    getter->setFile(downloadFile);
    getter->getFile(QUrl(m_url));

    connect(getter, SIGNAL(done(bool)), this, SLOT(downloadDone(bool)));
    connect(getter, SIGNAL(downloadDone(int, bool)), this, SLOT(downloadRequestFinished(int, bool)));
    connect(getter, SIGNAL(dataReadProgress(int, int)), this, SLOT(updateDataReadProgress(int, int)));
    connect(m_dp, SIGNAL(aborted()), getter, SLOT(abort()));
}


void ZipInstaller::downloadRequestFinished(int id, bool error)
{
    qDebug() << "Install::downloadRequestFinished" << id << error;
    qDebug() << "error:" << getter->errorString();

    downloadDone(error);
}


void ZipInstaller::downloadDone(bool error)
{
    qDebug() << "Install::downloadDone, error:" << error;
    QStringList zipContents; // needed later
     // update progress bar
     
    int max = m_dp->getProgressMax();
    if(max == 0) {
        max = 100;
        m_dp->setProgressMax(max);
    }
    m_dp->setProgressValue(max);
    if(getter->httpResponse() != 200) {
        m_dp->addItem(tr("Download error: received HTTP error %1.").arg(getter->httpResponse()),LOGERROR);
        m_dp->abort();
        emit done(true);
        return;
    }
    if(error) {
        m_dp->addItem(tr("Download error: %1").arg(getter->errorString()),LOGERROR);
        m_dp->abort();
        emit done(true);
        return;
    }
    else m_dp->addItem(tr("Download finished."),LOGOK);

    if(m_unzip) {
        // unzip downloaded file
        qDebug() << "about to unzip the downloaded file" << m_file << "to" << m_mountpoint;

        m_dp->addItem(tr("Extracting file."),LOGINFO);
        
        qDebug() << "file to unzip: " << m_file;
        UnZip::ErrorCode ec;
        UnZip uz;
        ec = uz.openArchive(m_file);
        if(ec != UnZip::Ok) {
            m_dp->addItem(tr("Opening archive failed: %1.")
                .arg(uz.formatError(ec)),LOGERROR);
            m_dp->abort();
            emit done(false);
            return;
        }
        
        ec = uz.extractAll(m_mountpoint);
        if(ec != UnZip::Ok) {
            m_dp->addItem(tr("Extracting failed: %1.")
                .arg(uz.formatError(ec)),LOGERROR);
            m_dp->abort();
            emit done(false);
            return;
        }
        // prepare file list for log
        zipContents = uz.fileList();
    }
    else {
        // only copy the downloaded file to the output location / name
        m_dp->addItem(tr("Installing file."), LOGINFO);
        qDebug() << "saving downloaded file (no extraction)";

        downloadFile->open(); // copy fails if file is not opened (filename issue?)
        // make sure the required path is existing
        QString path = QFileInfo(m_mountpoint + m_target).absolutePath();
        QDir p;
        p.mkpath(path);
        // QFile::copy() doesn't overwrite files, so remove old one first
        QFile(m_mountpoint + m_target).remove();
        if(!downloadFile->copy(m_mountpoint + m_target)) {
            m_dp->addItem(tr("Installing file failed."), LOGERROR);
            m_dp->abort();
            emit done(false);
            return;
        }
        
        // add file to log
        zipContents.append( m_target);
    }

    m_dp->addItem(tr("Creating installation log"),LOGINFO);
    QSettings installlog(m_mountpoint + "/.rockbox/rbutil.log", QSettings::IniFormat, 0);

    installlog.beginGroup(m_logsection);
    for(int i = 0; i < zipContents.size(); i++)
    {
        installlog.setValue(zipContents.at(i), m_logver);
    }
    installlog.endGroup();
    installlog.sync();

    emit cont();
}

void ZipInstaller::updateDataReadProgress(int read, int total)
{
    m_dp->setProgressMax(total);
    m_dp->setProgressValue(read);
    //qDebug() << "progress:" << read << "/" << total;

}