package org.hedgewars.mobile.TouchInterface;

import org.hedgewars.mobile.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);

		if(firstEvent){

			firstEvent = false;

			SDLActivity.onNativeTouch(-1, -1, v.getWidth(), v.getHeight(), 1);

		}

		int action = event.getAction();

		int actionCode = action & MotionEvent.ACTION_MASK;

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

			SDLActivity.onNativeTouch(actionCode, event.getPointerId(i), (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;

	}

}