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/****************************************************************************
**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtDeclarative module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** 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.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU General
** Public License version 3.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of this
** file. Please review the following information to ensure the GNU General
** Public License version 3.0 requirements will be met:
** http://www.gnu.org/copyleft/gpl.html.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef QDECLARATIVEDEBUGCLIENT_H
#define QDECLARATIVEDEBUGCLIENT_H

//
//  W A R N I N G
//  -------------
//
// This file is not part of the Qt API.  It exists purely as an
// implementation detail.  This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//

#include <QtNetwork/qtcpsocket.h>

#include <private/qdeclarativeglobal_p.h>

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

QT_MODULE(Declarative)

class QDeclarativeDebugConnectionPrivate;
class Q_DECLARATIVE_PRIVATE_EXPORT QDeclarativeDebugConnection : public QIODevice
{
    Q_OBJECT
    Q_DISABLE_COPY(QDeclarativeDebugConnection)
public:
    QDeclarativeDebugConnection(QObject * = 0);
    ~QDeclarativeDebugConnection();

    void connectToHost(const QString &hostName, quint16 port);

    qint64 bytesAvailable() const;
    bool isConnected() const;
    QAbstractSocket::SocketState state() const;
    void flush();
    bool isSequential() const;
    void close();
    bool waitForConnected(int msecs = 30000);

signals:
    void connected();
    void stateChanged(QAbstractSocket::SocketState socketState);
    void error(QAbstractSocket::SocketError socketError);

protected:
    qint64 readData(char *data, qint64 maxSize);
    qint64 writeData(const char *data, qint64 maxSize);

private:
    QDeclarativeDebugConnectionPrivate *d;
    friend class QDeclarativeDebugClient;
    friend class QDeclarativeDebugClientPrivate;
};

class QDeclarativeDebugClientPrivate;
class Q_DECLARATIVE_PRIVATE_EXPORT QDeclarativeDebugClient : public QObject
{
    Q_OBJECT
    Q_DECLARE_PRIVATE(QDeclarativeDebugClient)
    Q_DISABLE_COPY(QDeclarativeDebugClient)

public:
    enum Status { NotConnected, Unavailable, Enabled };

    QDeclarativeDebugClient(const QString &, QDeclarativeDebugConnection *parent);
    ~QDeclarativeDebugClient();

    QString name() const;
    float serviceVersion() const;
    Status status() const;

    virtual void sendMessage(const QByteArray &);

protected:
    virtual void statusChanged(Status);
    virtual void messageReceived(const QByteArray &);

private:
    friend class QDeclarativeDebugConnection;
    friend class QDeclarativeDebugConnectionPrivate;
};

QT_END_NAMESPACE

QT_END_HEADER

#endif // QDECLARATIVEDEBUGCLIENT_H