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****************************************************************************/

#ifndef CHECKOUTJOB_H
#define CHECKOUTJOB_H

#include "vcsbase_global.h"

#include <QObject>
#include <QStringList>
#include <QProcess>
#include <QProcessEnvironment>

namespace VcsBase {

namespace Internal { class ProcessCheckoutJobPrivate; }

/* Abstract base class for a job creating an initial project checkout.
 * It should be something that runs in the background producing log
 * messages. */

class VCSBASE_EXPORT AbstractCheckoutJob : public QObject
{
    Q_OBJECT

public:
    virtual void start() = 0;
    virtual void cancel() = 0;

protected:
    explicit AbstractCheckoutJob(QObject *parent = 0);

signals:
    void succeeded();
    void failed(const QString &why);
    void output(const QString &what);
};

class VCSBASE_EXPORT ProcessCheckoutJob : public AbstractCheckoutJob
{
    Q_OBJECT

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

    void addStep(const QString &binary,
                 const QStringList &args,
                 const QString &workingDirectory = QString(),
                 const QProcessEnvironment &env = QProcessEnvironment::systemEnvironment());

    void start();
    void cancel();

private slots:
    void slotError(QProcess::ProcessError error);
    void slotFinished (int exitCode, QProcess::ExitStatus exitStatus);
    void slotOutput();
    void slotNext();

private:
    Internal::ProcessCheckoutJobPrivate *const d;
};

} // namespace VcsBase

#endif // CHECKOUTJOB_H