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/* -*- C++ -*- */
// $Id$
// ============================================================================
//
// = LIBRARY
// EventComm
//
// = FILENAME
// Input_Handler.h
//
// = AUTHOR
// Douglas C. Schmidt (schmidt@cs.wustl.edu)
//
// ============================================================================
#ifndef _INPUT_HANDLER_H
#define _INPUT_HANDLER_
#include "ace/Service_Config.h"
#if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */
#if defined (ACE_HAS_ORBIX) && (ACE_HAS_ORBIX != 0)
// Forward declaration.
class Notification_Receiver_Handler;
class Input_Handler : public ACE_Service_Object
{
// = TITLE
// Handles input events generated from a keyboard.
//
// = DESCRIPTION
// This subclass <ACE_Service_Object> receives "unsubscribes"
// from the <Notifier> when input is received from the keyboard.
public:
Input_Handler (Notification_Receiver_Handler *,
ACE_HANDLE h = 0);
virtual int handle_input (ACE_HANDLE);
// Dispatch the callback when events occur.
virtual int handle_close (ACE_HANDLE = ACE_INVALID_HANDLE,
ACE_Reactor_Mask = ACE_Event_Handler::NULL_MASK);
// Close down the handler.
int consumer_initiated_shutdown (void);
// Report whether the Consumer initiated the shutdown.
void consumer_initiated_shutdown (int);
// Indicate that the Consumer initiated the shutdown.
private:
~Input_Handler (void);
// Ensure dynamic allocation.
virtual ACE_HANDLE get_handle (void) const;
ACE_HANDLE handle_;
// ACE_HANDLE where the input comes from.
Notification_Receiver_Handler *receiver_handler_;
// Pointer to the <Notification_Receiver_Handler> that receives
// notifications from the <Event_Comm::Notifier>.
int consumer_initiated_shutdown_;
// Keep track of whether the Consumer initiated the shutdown.
};
#endif /* ACE_HAS_ORBIX */
#endif /* _INPUT_HANDLER_H */
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