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q3networkprotocol.h

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** included in the packaging of this file.  Alternatively you may (at
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#ifndef Q3NETWORKPROTOCOL_H
#define Q3NETWORKPROTOCOL_H

#include <QtCore/qstring.h>
#include <QtCore/qobject.h>
#include <Qt3Support/q3dict.h>
#include <Qt3Support/q3valuelist.h>

QT_BEGIN_HEADER

QT_MODULE(Qt3SupportLight)

#ifndef QT_NO_NETWORKPROTOCOL

class Q3NetworkProtocol;
class Q3NetworkOperation;
class QTimer;
class Q3UrlOperator;
class Q3NetworkProtocolPrivate;
class QUrlInfo;
template <class T> class Q3ValueList;

class Q_COMPAT_EXPORT Q3NetworkProtocolFactoryBase
{
public:
    virtual ~Q3NetworkProtocolFactoryBase() {}
    virtual Q3NetworkProtocol *createObject() = 0;
};

template< class T >
class Q3NetworkProtocolFactory : public Q3NetworkProtocolFactoryBase
{
public:
    Q3NetworkProtocol *createObject() {
      return new T;
    }

};

typedef Q3Dict< Q3NetworkProtocolFactoryBase > Q3NetworkProtocolDict;

00085 class Q_COMPAT_EXPORT Q3NetworkProtocol : public QObject
{
    Q_OBJECT

public:
00090     enum State {
      StWaiting = 0,
      StInProgress,
      StDone,
      StFailed,
      StStopped
    };

00098     enum Operation {
      OpListChildren = 1,
      OpMkDir = 2,
      OpMkdir = OpMkDir, // ### remove in 4.0
      OpRemove = 4,
      OpRename = 8,
      OpGet = 32,
      OpPut = 64
    };

00108     enum ConnectionState {
      ConHostFound,
      ConConnected,
      ConClosed
    };

00114     enum Error {
      // no error
      NoError = 0,
      // general errors
      ErrValid,
      ErrUnknownProtocol,
      ErrUnsupported,
      ErrParse,
      // errors on connect
      ErrLoginIncorrect,
      ErrHostNotFound,
      // protocol errors
      ErrListChildren,
      ErrListChlidren = ErrListChildren, // ### remove in 4.0
      ErrMkDir,
      ErrMkdir = ErrMkDir, // ### remove in 4.0
      ErrRemove,
      ErrRename,
      ErrGet,
      ErrPut,
      ErrFileNotExisting,
      ErrPermissionDenied
    };

    Q3NetworkProtocol();
    virtual ~Q3NetworkProtocol();

    virtual void setUrl( Q3UrlOperator *u );

    virtual void setAutoDelete( bool b, int i = 10000 );
    bool autoDelete() const;

    static void registerNetworkProtocol( const QString &protocol,
                               Q3NetworkProtocolFactoryBase *protocolFactory );
    static Q3NetworkProtocol *getNetworkProtocol( const QString &protocol );
    static bool hasOnlyLocalFileSystem();

    virtual int supportedOperations() const;
    virtual void addOperation( Q3NetworkOperation *op );

    Q3UrlOperator *url() const;
    Q3NetworkOperation *operationInProgress() const;
    virtual void clearOperationQueue();
    virtual void stop();

Q_SIGNALS:
    void data( const QByteArray &, Q3NetworkOperation *res );
    void connectionStateChanged( int state, const QString &data );
    void finished( Q3NetworkOperation *res );
    void start( Q3NetworkOperation *res );
    void newChildren( const Q3ValueList<QUrlInfo> &, Q3NetworkOperation *res );
    void newChild( const QUrlInfo &, Q3NetworkOperation *res );
    void createdDirectory( const QUrlInfo &, Q3NetworkOperation *res );
    void removed( Q3NetworkOperation *res );
    void itemChanged( Q3NetworkOperation *res );
    void dataTransferProgress( int bytesDone, int bytesTotal, Q3NetworkOperation *res );

protected:
    virtual void processOperation( Q3NetworkOperation *op );
    virtual void operationListChildren( Q3NetworkOperation *op );
    virtual void operationMkDir( Q3NetworkOperation *op );
    virtual void operationRemove( Q3NetworkOperation *op );
    virtual void operationRename( Q3NetworkOperation *op );
    virtual void operationGet( Q3NetworkOperation *op );
    virtual void operationPut( Q3NetworkOperation *op );
    virtual void operationPutChunk( Q3NetworkOperation *op );
    virtual bool checkConnection( Q3NetworkOperation *op );

private:
    Q3NetworkProtocolPrivate *d;

private Q_SLOTS:
    void processNextOperation( Q3NetworkOperation *old );
    void startOps();
    void emitNewChildren( const QUrlInfo &i, Q3NetworkOperation *op );

    void removeMe();

private:    // Disabled copy constructor and operator=
#if defined(Q_DISABLE_COPY)
    Q3NetworkProtocol( const Q3NetworkProtocol & );
    Q3NetworkProtocol &operator=( const Q3NetworkProtocol & );
#endif
};

class Q3NetworkOperationPrivate;

00201 class Q_COMPAT_EXPORT Q3NetworkOperation : public QObject
{
    Q_OBJECT
    friend class Q3UrlOperator;

public:
    Q3NetworkOperation( Q3NetworkProtocol::Operation operation,
                const QString &arg0, const QString &arg1,
                const QString &arg2 );
    Q3NetworkOperation( Q3NetworkProtocol::Operation operation,
                const QByteArray &arg0, const QByteArray &arg1,
                const QByteArray &arg2 );
    ~Q3NetworkOperation();

    void setState( Q3NetworkProtocol::State state );
    void setProtocolDetail( const QString &detail );
    void setErrorCode( int ec );
    void setArg( int num, const QString &arg );
    void setRawArg( int num, const QByteArray &arg );

    Q3NetworkProtocol::Operation operation() const;
    Q3NetworkProtocol::State state() const;
    QString arg( int num ) const;
    QByteArray rawArg( int num ) const;
    QString protocolDetail() const;
    int errorCode() const;

    void free();

private Q_SLOTS:
    void deleteMe();

private:
    QByteArray &raw( int num ) const;
    Q3NetworkOperationPrivate *d;

private:    // Disabled copy constructor and operator=
#if defined(Q_DISABLE_COPY)
    Q3NetworkOperation( const Q3NetworkOperation & );
    Q3NetworkOperation &operator=( const Q3NetworkOperation & );
#endif
};

#endif // QT_NO_NETWORKPROTOCOL

QT_END_HEADER

#endif // Q3NETWORKPROTOCOL_H

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