/*

 * Hedgewars for Android. An Android port of Hedgewars, a free turn based strategy game

 * Copyright (c) 2011-2012 Richard Deurwaarder <xeli@xelification.com>

 *

 * 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., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.

 */

package org.hedgewars.hedgeroid.UserInput;

import org.hedgewars.hedgeroid.SDLActivity;

import android.os.Build;

import android.util.Log;

import android.view.MotionEvent;

import android.view.View;

import android.view.View.OnTouchListener;

public class TouchInterface{

    public static OnTouchListener getTouchInterface(){

        OnTouchListener toucher;

        if(Build.VERSION.SDK_INT < 5){//8 == Build.VERSION_CODES.FROYO

            toucher = new TouchInterfaceST();

        }else{

            toucher = new TouchInterfaceMT();

        }

        return toucher;

    }

}

/**

 * Touch interface with multitouch

 */

class TouchInterfaceMT implements OnTouchListener {

    private boolean firstEvent = true;

    public boolean onTouch(View v, MotionEvent event) {

        //dumpEvent(event);

        int action = event.getAction();

        int actionCode = action & MotionEvent.ACTION_MASK;

        for (int i = 0; i < event.getPointerCount(); i++) {

            SDLActivity.onNativeTouch(event.getDeviceId(),  event.getPointerId(i), actionCode, (int)event.getX(i), (int)event.getY(i), event.getPressure(i));

//          Log.d("Android", String.format("x=%f, y=%f, pntr=%d", event.getX(i), event.getY(i), event.getPointerId(i)));

           }

        return true;

    }

    /** Show an event in the LogCat view, for debugging */

    private void dumpEvent(MotionEvent event) {

       String names[] = { "DOWN" , "UP" , "MOVE" , "CANCEL" , "OUTSIDE" ,

          "POINTER_DOWN" , "POINTER_UP" , "7?" , "8?" , "9?" };

       StringBuilder sb = new StringBuilder();

       int action = event.getAction();

       int actionCode = action & MotionEvent.ACTION_MASK;

       sb.append("event ACTION_" ).append(names[actionCode]);

       if (actionCode == MotionEvent.ACTION_POINTER_DOWN

             || actionCode == MotionEvent.ACTION_POINTER_UP) {

          sb.append("(pid " ).append(

          action >> MotionEvent.ACTION_POINTER_ID_SHIFT);

          sb.append(")" );

       }

       sb.append("[" );

       for (int i = 0; i < event.getPointerCount(); i++) {

          sb.append("#" ).append(i);

          sb.append("(pid " ).append(event.getPointerId(i));

          sb.append(")=" ).append((int) event.getX(i));

          sb.append("," ).append((int) event.getY(i));

          if (i + 1 < event.getPointerCount())

             sb.append(";" );

       }

       sb.append("]" );

       Log.d("HW_APP_TOUCH", sb.toString());

    }

}

/**

 * Touch interface without multitouch

 */

class TouchInterfaceST implements OnTouchListener {

    public boolean onTouch(View v, MotionEvent event) {

        return false;

    }

}