package com.android.contacts.interactions; import android.graphics.Point; /** * Singleton class to keep track of where the user last touched the screen. * * Used to pass on to the InCallUI for animation. */ public class TouchPointManager { public static final String TOUCH_POINT = "touchPoint"; private static TouchPointManager sInstance = new TouchPointManager(); private Point mPoint = new Point(); /** * Private constructor. Instance should only be acquired through getInstance(). */ private TouchPointManager() { } public static TouchPointManager getInstance() { return sInstance; } public Point getPoint() { return mPoint; } public void setPoint(int x, int y) { mPoint.set(x, y); } /** * When a point is initialized, its value is (0,0). Since it is highly unlikely a user will * touch at that exact point, if the point in TouchPointManager is (0,0), it is safe to assume * that the TouchPointManager has not yet collected a touch. * * @return True if there is a valid point saved. Define a valid point as any point that is * not (0,0). */ public boolean hasValidPoint() { return mPoint.x != 0 || mPoint.y != 0; } }