package com.florianmski.tracktoid.ui.widgets;
import android.content.Context;
import android.util.AttributeSet;
import android.widget.ScrollView;
/**
* @author Cyril Mottier
*/
public class NotifyingScrollView extends ScrollView {
/**
* @author Cyril Mottier
*/
public interface OnScrollChangedListener {
void onScrollChanged(ScrollView who, int l, int t, int oldl, int oldt);
}
private OnScrollChangedListener listener;
private boolean mIsOverScrollEnabled = true;
public NotifyingScrollView(Context context) {
super(context);
}
public NotifyingScrollView(Context context, AttributeSet attrs) {
super(context, attrs);
}
public NotifyingScrollView(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
}
@Override
protected void onScrollChanged(int l, int t, int oldl, int oldt) {
super.onScrollChanged(l, t, oldl, oldt);
if(listener != null)
listener.onScrollChanged(this, l, t, oldl, oldt);
}
public void setOnScrollChangedListener(OnScrollChangedListener listener) {
this.listener = listener;
}
public void setOverScrollEnabled(boolean enabled) {
mIsOverScrollEnabled = enabled;
}
public boolean isOverScrollEnabled() {
return mIsOverScrollEnabled;
}
@Override
protected boolean overScrollBy(int deltaX, int deltaY, int scrollX, int scrollY, int scrollRangeX, int scrollRangeY,
int maxOverScrollX, int maxOverScrollY, boolean isTouchEvent) {
return super.overScrollBy(
deltaX,
deltaY,
scrollX,
scrollY,
scrollRangeX,
scrollRangeY,
mIsOverScrollEnabled ? maxOverScrollX : 0,
mIsOverScrollEnabled ? maxOverScrollY : 0,
isTouchEvent);
}
}