/***
* Excerpted from "Hello, Android! 3e",
* published by The Pragmatic Bookshelf.
* Copyrights apply to this code. It may not be used to create training material,
* courses, books, articles, and the like. Contact us if you are in doubt.
* We make no guarantees that this code is fit for any purpose.
* Visit http://www.pragmaticprogrammer.com/titles/eband3 for more book information.
***/
package com.buuuk.android.ui.touch;
import android.view.MotionEvent;
public class WrapMotionEvent {
protected MotionEvent event;
protected WrapMotionEvent(MotionEvent event) {
this.event = event;
}
static public WrapMotionEvent wrap(MotionEvent event) {
try {
return new EclairMotionEvent(event);
} catch (VerifyError e) {
return new WrapMotionEvent(event);
}
}
public int getAction() {
return event.getAction();
}
public float getX() {
return event.getX();
}
public float getX(int pointerIndex) {
verifyPointerIndex(pointerIndex);
return getX();
}
public float getY() {
return event.getY();
}
public float getY(int pointerIndex) {
verifyPointerIndex(pointerIndex);
return getY();
}
public int getPointerCount() {
return 1;
}
public int getPointerId(int pointerIndex) {
verifyPointerIndex(pointerIndex);
return 0;
}
private void verifyPointerIndex(int pointerIndex) {
if (pointerIndex > 0) {
throw new IllegalArgumentException(
"Invalid pointer index for Donut/Cupcake");
}
}
}