MIDIManager.hxx

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/*
 * Copyright (c) 2001-2004 MUSIC TECHNOLOGY GROUP (MTG)
 *                         UNIVERSITAT POMPEU FABRA
 *
 *
 * This program 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.
 *
 * This program 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 this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 */

#ifndef __MIDIManager__
#define __MIDIManager__

#include <vector>

#include "MIDIDevice.hxx"
#include "MIDIDeviceList.hxx"

#ifdef WIN32
#define DEFAULT_MIDI_ARCH "portmidi"
#else
#define DEFAULT_MIDI_ARCH "alsa"
#endif

namespace CLAM{

class MIDIManager
{
        friend class MIDIIn;
        friend class MIDIClocker;
        friend class MIDIOut;
        friend class MIDIDeviceList;
private:
        std::vector<MIDIDevice*> mDevices;

        static std::vector<MIDIDeviceList*>& DeviceLists(void)
        {
                static std::vector<MIDIDeviceList*> sDeviceLists;
                return sDeviceLists;
        }

        static MIDIManager* _Current(bool set = 0,MIDIManager* m = 0)
        {
                static MIDIManager* sCurrent = 0;
                if (set)
                {
                        if (m)
                        {
                                if (sCurrent) throw Err("Can only have one MIDIManager at a time");
                        }
                        sCurrent = m;
                }
                return sCurrent;
        }
public:
        typedef std::vector<MIDIDevice*>::const_iterator device_iterator;
        typedef std::vector<MIDIDeviceList*>::const_iterator list_iterator;

        MIDIManager() throw(Err);

        ~MIDIManager();

        static MIDIManager& Current()
        {
                MIDIManager* p = _Current();

                if (p==0) throw Err("No MIDIManager current");

                return *p;
        }

        MIDIDevice* FindDevice(const std::string& name);

        MIDIDevice* FindOrCreateDevice(const std::string& name);

        void Start(void) throw(Err);

        void Stop(void) throw(Err);

        void Check(void);

        MIDIDeviceList* FindList(const std::string& arch = "default");

        list_iterator lists_begin() const {return DeviceLists().begin();}

        list_iterator lists_end() const {return DeviceLists().end();}

        device_iterator used_devices_begin() const {return mDevices.begin();}
        device_iterator used_devices_end() const {return mDevices.end();}

protected:
        bool Register(MIDIIn& in);

        bool Register(MIDIClocker& cl);

        bool Register(MIDIOut& out);

        /* flag to check if the MIDIManager has been started properly*/
        bool mStarted;
};


};//CLAM

#endif