SnackBarFABBehavior

/**
 * Created by tilemachos on 7/23/15.
 */
public class SnackBarFABBehavior extends ScrollingFABBehavior {

    public SnackBarFABBehavior(Context context, AttributeSet attrs) {
        super(context, attrs);
    }

    @Override
    public boolean layoutDependsOn(CoordinatorLayout parent, FloatingActionButton fab, View dependency) {
        return super.layoutDependsOn(parent, fab, dependency) || (dependency instanceof Snackbar.SnackbarLayout);
    }

    @Override
    public boolean onDependentViewChanged(CoordinatorLayout parent, FloatingActionButton fab, View dependency) {

        if (dependency instanceof Snackbar.SnackbarLayout){
            float translationY = Math.min(0, dependency.getTranslationY() - dependency.getHeight());
            fab.setTranslationY(translationY);
        }
        return super.onDependentViewChanged(parent, fab, dependency);
    }
}