DragThingPlayhead.java

package com.androidlearner.widget;

import android.content.Context;
import android.util.AttributeSet;
import android.view.MotionEvent;
import com.teamluper.luper.Playhead;
import com.teamluper.luper.TrackView;


/**
 * Created with IntelliJ IDEA.
 * User: ericsmith
 * Date: 4/25/13
 * Time: 7:47 PM
 * To change this template use File | Settings | File Templates.
 */


//Dragging Widget Associated with Playhead
public class DragThingPlayhead extends Playhead {

  //original x and y vals (to be changed when dragged)
  private int prevX = 100;

  //constructor!

  public DragThingPlayhead(Context context) {
    super(context);
  }

  public DragThingPlayhead(Context context, AttributeSet attribute, int style) {
    super(context, attribute, style);
  }

  public DragThingPlayhead(Context context, AttributeSet attribute) {
    this(context, attribute, 0);
  }

  //returns the position
  public int getCurrent(){ return this.getCurrentTimeMS(); }


  @Override
  public boolean onTouchEvent(MotionEvent event) {

    final int action = event.getAction();

    final float x = event.getX(); //teh current x val
    //final float y = event.getY(); //teh current y val

    switch(action){
      case MotionEvent.ACTION_DOWN:
        setCurrentTimeMS(Math.round(x / TrackView.PIXELS_PER_MILLISECOND));
        this.editorActivity.isPaused = true;
        invalidate();
        break;

      case MotionEvent.ACTION_MOVE:
//        int changex = x - prevX; //calculates the change in position
//        final int left = getLeft();
//        if(changex != 0) { // if there is a change, then update the layout
//          //values and stuff
//          layout(left + changex, getTop(), getWidth(), getHeight());
//        }
//
//        prevX = x - changex;
//
//        //redefining array
//        current = left + changex;
        break;

      case MotionEvent.ACTION_UP:
        break;

      case MotionEvent.ACTION_CANCEL:
        break;
    }


    return true;
  }
}