and3

import android.view.View;

public class LengthCalculate {

    public static final int STATEBAR_HEIGHT = 53;

    public static final int GREEN_RECT_TOP_OFFSET = 5;
   
    public static final int GROUP_NAVIGATION_OFFSET = 2;
    
    private static final int DRAG_WINGS_HEIGHT = 300;
    
    private static final LengthCalculate me = new LengthCalculate();
    private int groupHeight;    
    
    public static LengthCalculate getInstance() {
        return me;
    }

    public int getGroupHeight() {
        return groupHeight;
    }
    
    public int getDragWingsHeight() {
        return DRAG_WINGS_HEIGHT;
    }
    
    public void setGroupHeight(int groupHeight) {
        this.groupHeight = groupHeight;
    }
    public int getLauncherContentHeight(int dragLayerHeight) {
        return dragLayerHeight - STATEBAR_HEIGHT - groupHeight;
    }

    public int getLauncherContentContenY(int dragLayerHeight) {
        return getLauncherContentHeight(dragLayerHeight) / 2;
    }
    public int getCenterPointX(View view) {
        return view.getWidth() / 2;
    }
    public int getCenterPointY(View view) {
        return (view.getHeight() - getGroupHeight()) / 2;
    }
}