/****************************************************************************
**
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the Qt Creator.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights.  These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef MAEMOSSHRUNNER_H
#define MAEMOSSHRUNNER_H

#include "maemodeviceconfigurations.h"
#include "maemomountspecification.h"

#include <QtCore/QObject>
#include <QtCore/QSharedPointer>
#include <QtCore/QStringList>

namespace Core {
    class SshConnection;
    class SshRemoteProcess;
}

namespace Qt4ProjectManager {
namespace Internal {
class MaemoRemoteMounter;
class MaemoRunConfiguration;

class MaemoSshRunner : public QObject
{
    Q_OBJECT
public:
    MaemoSshRunner(QObject *parent, MaemoRunConfiguration *runConfig,
        bool debugging);
    ~MaemoSshRunner();

    void setConnection(const QSharedPointer<Core::SshConnection> &connection);

    void start();
    void stop();

    void startExecution(const QByteArray &remoteCall);

    QSharedPointer<Core::SshConnection> connection() const { return m_connection; }

signals:
    void error(const QString &error);
    void mountDebugOutput(const QString &output);
    void readyForExecution();
    void remoteOutput(const QByteArray &output);
    void remoteErrorOutput(const QByteArray &output);
    void reportProgress(const QString &progressOutput);
    void remoteProcessStarted();
    void remoteProcessFinished(int exitCode);

private slots:
    void handleConnected();
    void handleConnectionFailure();
    void handleCleanupFinished(int exitStatus);
    void handleRemoteProcessFinished(int exitStatus);
    void handleMounted();
    void handleUnmounted();
    void handleMounterError(const QString &errorMsg);

private:
    void cleanup(bool initialCleanup);
    bool addMountSpecification(const MaemoMountSpecification &mountSpec);
    bool isConnectionUsable() const;

    MaemoRunConfiguration * const m_runConfig; // TODO this pointer can be invalid
    MaemoRemoteMounter * const m_mounter;
    const MaemoDeviceConfig m_devConfig;

    QSharedPointer<Core::SshConnection> m_connection;
    QSharedPointer<Core::SshRemoteProcess> m_runner;
    QSharedPointer<Core::SshRemoteProcess> m_cleaner;
    QStringList m_procsToKill;

    bool m_stop;
    int m_exitStatus;
    bool m_shuttingDown;
    const bool m_debugging;

    enum UnmountState { InitialUnmount, PreMountUnmount, ShutdownUnmount };
    UnmountState m_unmountState;
};

} // namespace Internal
} // namespace Qt4ProjectManager

#endif // MAEMOSSHRUNNER_H