71 lines
1.9 KiB
C++
71 lines
1.9 KiB
C++
/*
|
|
* synergy -- mouse and keyboard sharing utility
|
|
* Copyright (C) 2004 Chris Schoeneman
|
|
*
|
|
* This package is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License
|
|
* found in the file COPYING that should have accompanied this file.
|
|
*
|
|
* This package is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*/
|
|
|
|
#ifndef CSTREAMFILTER_H
|
|
#define CSTREAMFILTER_H
|
|
|
|
#include "IStream.h"
|
|
|
|
//! A stream filter
|
|
/*!
|
|
This class wraps a stream. Subclasses provide indirect access
|
|
to the wrapped stream, typically performing some filtering.
|
|
*/
|
|
class CStreamFilter : public IStream {
|
|
public:
|
|
/*!
|
|
Create a wrapper around \c stream. Iff \c adoptStream is true then
|
|
this object takes ownership of the stream and will delete it in the
|
|
d'tor.
|
|
*/
|
|
CStreamFilter(IStream* stream, bool adoptStream = true);
|
|
~CStreamFilter();
|
|
|
|
// IStream overrides
|
|
// These all just forward to the underlying stream except getEventTarget.
|
|
// Override as necessary. getEventTarget returns a pointer to this.
|
|
virtual void close();
|
|
virtual UInt32 read(void* buffer, UInt32 n);
|
|
virtual void write(const void* buffer, UInt32 n);
|
|
virtual void flush();
|
|
virtual void shutdownInput();
|
|
virtual void shutdownOutput();
|
|
virtual void* getEventTarget() const;
|
|
virtual bool isReady() const;
|
|
virtual UInt32 getSize() const;
|
|
|
|
protected:
|
|
//! Get the stream
|
|
/*!
|
|
Returns the stream passed to the c'tor.
|
|
*/
|
|
IStream* getStream() const;
|
|
|
|
//! Handle events from source stream
|
|
/*!
|
|
Does the event filtering. The default simply dispatches an event
|
|
identical except using this object as the event target.
|
|
*/
|
|
virtual void filterEvent(const CEvent&);
|
|
|
|
private:
|
|
void handleUpstreamEvent(const CEvent&, void*);
|
|
|
|
private:
|
|
IStream* m_stream;
|
|
bool m_adopted;
|
|
};
|
|
|
|
#endif
|