//////////////////////////////////////////////////////////////////////// 
// This file is part of the mp3car-0.1.1 package
// Linux LCD-client for the mp3 server box 
// http://www.igalaxie.com/ltt/mp3 
////////////////////////////////////////////////////////////////////////
//
// 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., 675 Mass Ave, Cambridge, MA 02139, USA.
//////////////////////////////////////////////////////////////////////////

//////////////////////////////////////////////////////////////////////////
// File:         appbase.h
//////////////////////////////////////////////////////////////////////////
// Description:  Basic application object
//////////////////////////////////////////////////////////////////////////
// History:      created 05.01.2000
//////////////////////////////////////////////////////////////////////////
// Copyright:    2000 Sebastian Poetschke <sebastian.poetschke@gmx.de> 
//////////////////////////////////////////////////////////////////////////
#ifndef APPBASE_H_INCLUDED
#define APPBASE_H_INCLUDED

#include <vector.h> 
#include <pthread.h>
#include <time.h>

class ADisplay;
class AControl;
class mysqlClient;
class mp3sbClient;
class appWin;

class appBase {
 public:  
   appBase(ADisplay *, AControl *, mysqlClient *, mp3sbClient *);
   ~appBase();

   void Execute( void );                // Execution loop.
   mysqlClient * GetDB( void );         // Retrieve db pointer.
   mp3sbClient * GetSB( void );         // Retrieve sb pointer.
   ADisplay * GetDisplay( void );       // Retrieve display driver.
   bool Initialize(void);               // Initialise object.
   bool CreateApp(unsigned int AppID);  // Creates new application.
   bool CreateApp(unsigned int AppID, char * Data);
   bool SpoolMessage(unsigned int msg );  // Inserts a new message
                                          // into application message queue.

 protected:
   unsigned int GetMessage( void );     // Retrieve msg from queue.  
   void ScheduleStatus( void );         // Schedule starting of status app.

 protected:
   mysqlClient *pDB;           // Pointer to database object.
   mp3sbClient *pSB;           // Pointer to server box object.
   ADisplay *pDisplay;         // Display driver.
   AControl *pControl;         // Control unit driver.
   vector<appWin *> AppStack;  // Application stack. 
   vector<unsigned int> MessageQueue;  // Message queue.  
   pthread_mutex_t m_pThreadMutex;     // Controlling thread access. 
   time_t m_tControlMsg;       // Time of last received control message. 

};

#endif