| package org.sflphone.views.parallaxscrollview; |
| |
| import android.content.Context; |
| import android.graphics.Canvas; |
| import android.util.AttributeSet; |
| import android.widget.ScrollView; |
| |
| public class ObservableScrollView extends ScrollView |
| { |
| private ScrollCallbacks mCallbacks; |
| |
| public ObservableScrollView(Context context, AttributeSet attrs) |
| { |
| super(context, attrs); |
| } |
| |
| @Override |
| protected void onScrollChanged(int l, int t, int oldl, int oldt) |
| { |
| super.onScrollChanged(l, t, oldl, oldt); |
| if (mCallbacks != null) |
| { |
| mCallbacks.onScrollChanged(l, t, oldl, oldt); |
| } |
| } |
| |
| @Override |
| public int computeVerticalScrollRange() |
| { |
| return super.computeVerticalScrollRange(); |
| } |
| |
| public void setCallbacks(ScrollCallbacks listener) |
| { |
| mCallbacks = listener; |
| } |
| |
| @Override |
| public void draw(Canvas canvas) |
| { |
| super.draw(canvas); |
| } |
| |
| static interface ScrollCallbacks |
| { |
| public void onScrollChanged(int l, int t, int oldl, int oldt); |
| } |
| } |