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////////////////////////////////////////////////////////////////////////////////////////
//
// Nestopia - NES/Famicom emulator written in C++
//
// Copyright (C) 2003-2008 Martin Freij
//
// This file is part of Nestopia.
//
// Nestopia is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// Nestopia 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.
//
// You should have received a copy of the GNU General Public License
// along with Nestopia; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
//
////////////////////////////////////////////////////////////////////////////////////////
#ifndef NST_API_TAPERECORDER_H
#define NST_API_TAPERECORDER_H
#include "NstApi.hpp"
#ifdef NST_PRAGMA_ONCE
#pragma once
#endif
#if NST_ICC >= 810
#pragma warning( push )
#pragma warning( disable : 444 )
#elif NST_MSVC >= 1200
#pragma warning( push )
#pragma warning( disable : 4512 )
#endif
namespace Nes
{
namespace Core
{
namespace Input
{
class FamilyKeyboard;
}
}
namespace Api
{
/**
* Tape interface.
*/
class TapeRecorder : public Base
{
struct EventCaller;
Core::Input::FamilyKeyboard* Query() const;
public:
/**
* Interface constructor.
*
* @param instance emulator instance
*/
template<typename T>
TapeRecorder(T& instance)
: Base(instance) {}
/**
* Checks if tape is playing.
*
* @return true if playing
*/
bool IsPlaying() const throw();
/**
* Checks if tape is recording.
*
* @return true if recording
*/
bool IsRecording() const throw();
/**
* Checks if tape has stopped playing or recording.
*
* @return true if stopped
*/
bool IsStopped() const throw();
/**
* Checks if tape can be played
*
* @return true if playable
*/
bool IsPlayable() const throw();
/**
* Plays tape.
*
* @return result code
*/
Result Play() throw();
/**
* Records tape.
*
* @return result code
*/
Result Record() throw();
/**
* Stops tape.
*
* @return result code
*/
Result Stop() throw();
/**
* Checks if a tape recorder is connected.
*
* @param true connected
*/
bool IsConnected() const throw()
{
return Query();
}
/**
* Tape events.
*/
enum Event
{
/**
* Tape is playing.
*/
EVENT_PLAYING,
/**
* Tape is recording.
*/
EVENT_RECORDING,
/**
* Tape has stopped playing or recording.
*/
EVENT_STOPPED
};
enum
{
NUM_EVENT_CALLBACKS = 3
};
/**
* Tape event callback prototype.
*
* @param userData optional user data
* @param event type of event
*/
typedef void (NST_CALLBACK *EventCallback) (UserData userData,Event event);
/**
* Tape event callback manager.
*
* Static object used for adding the user defined callback.
*/
static EventCaller eventCallback;
};
/**
* Tape event callback invoker.
*
* Used internally by the core.
*/
struct TapeRecorder::EventCaller : Core::UserCallback<TapeRecorder::EventCallback>
{
void operator () (Event event) const
{
if (function)
function( userdata, event );
}
};
}
}
#if NST_MSVC >= 1200 || NST_ICC >= 810
#pragma warning( pop )
#endif
#endif
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