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///////////////////////////////////////////////////////////////////////////////
// Name: wx/private/fdiohandler.h
// Purpose: declares wxFDIOHandler class
// Author: Vadim Zeitlin
// Created: 2009-08-17
// Copyright: (c) 2009 Vadim Zeitlin <vadim@wxwidgets.org>
// Licence: wxWindows licence
///////////////////////////////////////////////////////////////////////////////
#ifndef _WX_PRIVATE_FDIOHANDLER_H_
#define _WX_PRIVATE_FDIOHANDLER_H_
// ----------------------------------------------------------------------------
// wxFDIOHandler: interface used to process events on file descriptors
// ----------------------------------------------------------------------------
class wxFDIOHandler
{
public:
wxFDIOHandler() { m_regmask = 0; }
// called when descriptor is available for non-blocking read
virtual void OnReadWaiting() = 0;
// called when descriptor is available for non-blocking write
virtual void OnWriteWaiting() = 0;
// called when there is exception on descriptor
virtual void OnExceptionWaiting() = 0;
// called to check if the handler is still valid, only used by
// wxSocketImplUnix currently
virtual bool IsOk() const { return true; }
// get/set the mask of events for which we're currently registered for:
// it's a combination of wxFDIO_{INPUT,OUTPUT,EXCEPTION}
int GetRegisteredEvents() const { return m_regmask; }
void SetRegisteredEvent(int flag) { m_regmask |= flag; }
void ClearRegisteredEvent(int flag) { m_regmask &= ~flag; }
// virtual dtor for the base class
virtual ~wxFDIOHandler() { }
private:
int m_regmask;
wxDECLARE_NO_COPY_CLASS(wxFDIOHandler);
};
#endif // _WX_PRIVATE_FDIOHANDLER_H_
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