/******************************************************************************
 * SAGE - Scalable Adaptive Graphics Environment
 *
 * Module: displayInstance.h
 * Author : Byungil Jeong
 *
 * Copyright (C) 2004 Electronic Visualization Laboratory,
 * University of Illinois at Chicago
 *
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 * 
 *  * Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *  * Redistributions in binary form must reproduce the above
 *    copyright notice, this list of conditions and the following disclaimer
 *    in the documentation and/or other materials provided with the distribution.
 *  * Neither the name of the University of Illinois at Chicago nor
 *    the names of its contributors may be used to endorse or promote
 *    products derived from this software without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * Direct questions, comments etc about SAGE to sage_users@listserv.uic.edu or 
 * http://www.evl.uic.edu/cavern/forum/
 *
 *****************************************************************************/
 
#ifndef _DISPLAY_MANAGER_H
#define _DISPLAY_MANAGER_H

#include "sage.h"
#include "sageConfig.h"

class fsManager;
class appInExec;
class sageVirtualDesktop;
class streamInfo;
class connectionInfo;

/**
 * class displayInstance
 */
class displayInstance {
public:
   int winID;
private:
   fsManager *fsm;
   appInExec *appExec;
   sageVirtualDesktop *vdt;
   
   std::vector<int> receiverList;
   streamGroup streamGrp;

   int tileNum;
   int dispNodeNum;
   int streamNum;
   int sailClient;
   int zValue;
   int rcvFlagCnt;
   int syncMode;
   int waitNodes;
   int imageSize;
   float rcvFrate, rcvBwidth, rcvLoss, accBwidth, accLoss;
   float sendFrate;
   int accFSize;

   char winTitle[SAGE_NAME_LEN];
   int borderColor[3];
   int titleColor[3];
      
   bool *rcvFlag;

   void reportPerformance(char *sailPerf);
   int accumulateBandwidth(char *rcvBand);
   void generateStreamInfo(void); 
   int streamInfoToSender(void);   

   int shutdownApp();
   
public:
   displayInstance(fsManager *f, int id, appInExec* app);
   ~displayInstance() {}
   int getReceiverNum() { return receiverList.size(); }
   int getReceiver(int i) { return receiverList[i]; }
   int getStreamNum() { return streamNum; }
   int getSailClient() { return sailClient; }
   int parseMsg(sageMessage &msg);
   int getWinID() { return winID; }
   //int shutdownReceivers();
   int changeWindow(sageRect &devRect, int steps);
   int modifyStream(void);
   int connectSenders(); /**< send messages to sail client */
   int initStreams();
   int getZValue() { return zValue; }
   int setZValue(int z) { zValue = z; return 1;}
   int increaseZ() { zValue++; return 1;}
   int requestPerformanceInfo(int rate);
   int stopPerformanceInfo();
   int updateWinProp(char *info);
   int updateBorders(char *title);
   
   friend class fsCore;
};

#endif