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#include <QThread>
#include <QApplication>

namespace KDUpdater {
    class FileDownloader;
}

QT_BEGIN_NAMESPACE
class QFile;
QT_END_NAMESPACE

class MyApplicationConsole;

class Sleep : public QThread
{
public:
    static void sleep(unsigned long ms)
    {
        QThread::usleep(ms);
    }
};

class InstallerBase : public QObject
{
    Q_OBJECT

public:
    explicit InstallerBase(QObject *parent = 0);
    ~InstallerBase();

    int replaceMaintenanceToolBinary(QStringList arguments);

    static void showUsage();
    static void showVersion(const QString &version);

private slots:
    void downloadStarted();
    void downloadFinished();
    void downloadProgress(double progress);
    void downloadAborted(const QString &error);

private:
    void deferredRename(const QString &source, const QString &target);
    void writeMaintenanceBinary(const QString &target, QFile *source, qint64 size);

private:
    volatile bool m_downloadFinished;
    QScopedPointer<KDUpdater::FileDownloader> m_downloader;
};

class MyCoreApplication : public QCoreApplication
{
public:
    MyCoreApplication(int &argc, char **argv);
    virtual bool notify(QObject *receiver, QEvent *event);
};

class MyApplication : public QApplication
{
public:
    MyApplication(int &argc, char **argv);
    ~MyApplication();

    void setVerbose();
    virtual bool notify(QObject *receiver, QEvent *event);

private:
    MyApplicationConsole *m_console;
};