/**************************************************************************/
/*                                                                        */
/* Copyright (c) 2001, 2010 NoMachine, http://www.nomachine.com/.         */
/*                                                                        */
/* NXCOMPSHAD, NX protocol compression and NX extensions to this software */
/* are copyright of NoMachine. Redistribution and use of the present      */
/* software is allowed according to terms specified in the file LICENSE   */
/* which comes in the source distribution.                                */
/*                                                                        */
/* Check http://www.nomachine.com/licensing.html for applicability.       */
/*                                                                        */
/* NX and NoMachine are trademarks of Medialogic S.p.A.                   */
/*                                                                        */
/* All rights reserved.                                                   */
/*                                                                        */
/**************************************************************************/

#ifndef UpdateManager_H
#define UpdateManager_H

#include <X11/Xlib.h>

#include "Updater.h"
#include "Regions.h"
#include "Input.h"

typedef char* UpdaterHandle;

class UpdateManager
{
  public:

  UpdateManager(int, int, char *, Input *);

  ~UpdateManager();

  void handleInput();

  void addRegion(Region);

  void update();

  UpdaterHandle addUpdater(char *displayName, Display *display);

  int removeUpdater(UpdaterHandle);

  int removeAllUpdaters();

  int numberOfUpdaters();

  int getWidth();

  int getHeight();

  char *getBuffer();

  Region getUpdateManagerRegion();

  void destroyUpdateManagerRegion();

  void newRegion();

  private:

  Updater *createUpdater(char *displayName, Display *display);

  int width_;
  int height_;
  char *frameBuffer_;
  Input *input_;

  int nUpdater;

  Updater **updaterVector;

  Region updateManagerRegion_;

};

inline int UpdateManager::numberOfUpdaters()
{
  return nUpdater;
}

inline int UpdateManager::getWidth()
{
  return width_;
}

inline int UpdateManager::getHeight()
{
  return height_;
}

inline char *UpdateManager::getBuffer()
{
  return frameBuffer_;
}

inline Region UpdateManager::getUpdateManagerRegion()
{
  return updateManagerRegion_;
}

inline void UpdateManager::destroyUpdateManagerRegion()
{
  if (updateManagerRegion_ != NULL)
  {
    XDestroyRegion(updateManagerRegion_);

    updateManagerRegion_ = NULL;
  }
}

#endif /* UpdateManager_H */