jobs.cpp 6.91 KB
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/*
 * Copyright (c) 2007 Henrique Pinto <henrique.pinto@kdemail.net>
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 * Copyright (c) 2008-2009 Harald Hvaal <haraldhv@stud.ntnu.no>
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 * Copyright (c) 2009-2010 Raphael Kubo da Costa <kubito@gmail.com>
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 *
 * 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 THE AUTHOR ``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 THE AUTHOR 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.
 */
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#include "jobs.h"
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#include "threading.h"
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#include <QApplication>
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#include <QDir>
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#include <QTimer>
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#include <KDebug>
#include <KLocale>
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namespace Kerfuffle
{
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Job::Job(ReadOnlyArchiveInterface *interface, QObject *parent)
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    : KJob(parent)
    , m_interface(interface)
    , m_workerThread(0)
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{
    static bool onlyOnce = false;
    if (!onlyOnce) {
        qRegisterMetaType<QPair<QString, QString> >("QPair<QString,QString>");
        onlyOnce = true;
    }

    setCapabilities(KJob::Killable);
}

Job::~Job()
{
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    if (m_workerThread) {
        m_workerThread->wait();
    }

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    delete m_workerThread;
    m_workerThread = 0;
}
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void Job::start()
{
    m_workerThread = new ThreadExecution(this);
    m_workerThread->start();
}

void Job::onError(const QString & message, const QString & details)
{
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    Q_UNUSED(details)
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    setError(1);
    setErrorText(message);
}

void Job::onEntry(const ArchiveEntry & archiveEntry)
{
    emit newEntry(archiveEntry);
}

void Job::onProgress(double value)
{
    setPercent(static_cast<unsigned long>(100.0*value));
}

void Job::onInfo(const QString& info)
{
    emit infoMessage(this, info);
}

void Job::onEntryRemoved(const QString & path)
{
    emit entryRemoved(path);
}

void Job::onFinished(bool result)
{
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    kDebug() << result;
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    m_interface->removeObserver(this);
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    emitResult();
}

void Job::onUserQuery(Query *query)
{
    emit userQuery(query);
}

bool Job::doKill()
{
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    kDebug();
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    bool ret = m_interface->doKill();
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    if (!ret) {
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        kDebug() << "Killing does not seem to be supported here.";
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    }
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    return ret;
}

ListJob::ListJob(ReadOnlyArchiveInterface *interface, QObject *parent)
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    : Job(interface, parent)
    , m_isSingleFolderArchive(true)
    , m_isPasswordProtected(false)
    , m_extractedFilesSize(0)
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{
    connect(this, SIGNAL(newEntry(const ArchiveEntry&)),
            this, SLOT(onNewEntry(const ArchiveEntry&)));
}

void ListJob::doWork()
{
    emit description(this, i18n("Loading archive..."));
    m_interface->registerObserver(this);
    bool ret = m_interface->list();

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    if (!m_interface->waitForFinishedSignal()) {
        m_interface->finished(ret);
    }
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}

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qlonglong ListJob::extractedFilesSize() const
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{
    return m_extractedFilesSize;
}

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bool ListJob::isPasswordProtected() const
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{
    return m_isPasswordProtected;
}

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bool ListJob::isSingleFolderArchive() const
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{
    return m_isSingleFolderArchive;
}

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void ListJob::onNewEntry(const ArchiveEntry& entry)
{
    m_extractedFilesSize += entry[ Size ].toLongLong();
    m_isPasswordProtected |= entry [ IsPasswordProtected ].toBool();

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    if (m_isSingleFolderArchive) {
        const QString fileName(entry[FileName].toString());
        const QString basePath(fileName.split('/').at(0));
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        if (m_basePath.isEmpty()) {
            m_basePath = basePath;
            m_subfolderName = basePath;
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        } else {
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            if (m_basePath != basePath) {
                m_isSingleFolderArchive = false;
                m_subfolderName.clear();
            }
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        }
    }
}

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QString ListJob::subfolderName() const
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{
    return m_subfolderName;
}

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ExtractJob::ExtractJob(const QVariantList& files, const QString& destinationDir, ExtractionOptions options, ReadOnlyArchiveInterface *interface, QObject *parent)
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    : Job(interface, parent)
    , m_files(files)
    , m_destinationDir(destinationDir)
    , m_options(options)
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{
}

void ExtractJob::doWork()
{
    QString desc;
    if (m_files.count() == 0) {
        desc = i18n("Extracting all files");
    } else {
        desc = i18np("Extracting one file", "Extracting %1 files", m_files.count());
    }
    emit description(this, desc);

    m_interface->registerObserver(this);

    fillInDefaultValues(m_options);

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    kDebug() << "Starting extraction with selected files:"
             << m_files
             << "Destination dir:" << m_destinationDir
             << "Options:" << m_options;
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    bool ret = m_interface->copyFiles(m_files, m_destinationDir, m_options);

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    if (!m_interface->waitForFinishedSignal()) {
        m_interface->finished(ret);
    }
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}

void ExtractJob::fillInDefaultValues(ExtractionOptions& options)
{
    if (!options.contains("PreservePaths")) {
        options["PreservePaths"] = false;
    }
}

AddJob::AddJob(const QStringList& files, const CompressionOptions& options , ReadWriteArchiveInterface *interface, QObject *parent)
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    : Job(interface, parent)
    , m_files(files)
    , m_options(options)
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{
}

void AddJob::doWork()
{
    emit description(this, i18np("Adding a file", "Adding %1 files", m_files.count()));

    ReadWriteArchiveInterface *m_writeInterface =
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        qobject_cast<ReadWriteArchiveInterface*>(m_interface);
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    Q_ASSERT(m_writeInterface);

    m_writeInterface->registerObserver(this);
    bool ret = m_writeInterface->addFiles(m_files, m_options);

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    if (!m_interface->waitForFinishedSignal()) {
        m_interface->finished(ret);
    }
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}

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DeleteJob::DeleteJob(const QVariantList& files, ReadWriteArchiveInterface *interface, QObject *parent)
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    : Job(interface, parent)
    , m_files(files)
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{
}

void DeleteJob::doWork()
{
    emit description(this, i18np("Deleting a file from the archive", "Deleting %1 files", m_files.count()));

    ReadWriteArchiveInterface *m_writeInterface =
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        qobject_cast<ReadWriteArchiveInterface*>(m_interface);
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    Q_ASSERT(m_writeInterface);

    m_writeInterface->registerObserver(this);
    int ret = m_writeInterface->deleteFiles(m_files);

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    if (!m_interface->waitForFinishedSignal()) {
        m_interface->finished(ret);
    }
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}
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} // namespace Kerfuffle
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#include "jobs.moc"