package com.jayway.android.robotium.solo; import android.view.View; import java.util.Comparator; /** * Orders {@link View}s by their location on-screen. * */ class ViewLocationComparator implements Comparator<View> { private final int a[] = new int[2]; private final int b[] = new int[2]; private final int axis1, axis2; public ViewLocationComparator() { this(true); } /** * @param yAxisFirst Whether the y-axis should be compared before the x-axis. */ public ViewLocationComparator(boolean yAxisFirst) { this.axis1 = yAxisFirst ? 1 : 0; this.axis2 = yAxisFirst ? 0 : 1; } public int compare(View lhs, View rhs) { lhs.getLocationOnScreen(a); rhs.getLocationOnScreen(b); if (a[axis1] != b[axis1]) { return a[axis1] < b[axis1] ? -1 : 1; } if (a[axis2] < b[axis2]) { return -1; } return a[axis2] == b[axis2] ? 0 : 1; } }