1 /*
   2  * Copyright (c) 2007, 2017 Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation. Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package org.jemmy.input;
  27 
  28 import org.jemmy.interfaces.*;
  29 import org.jemmy.interfaces.Caret.Direction;
  30 
  31 /**
  32  *
  33  * @author shura
  34  */
  35 public abstract class AbstractCaretOwner implements CaretOwner {
  36     private double error;
  37 
  38     public double allowedError() {
  39         return error;
  40     }
  41 
  42     public void allowError(double error) {
  43         if(error < 0) {
  44             throw new IllegalArgumentException("Precision could not be less than 0");
  45         }
  46         this.error = error;
  47     }
  48 
  49     public void to(double position) {
  50         caret().to(new ToPosition(this, position, error));
  51     }
  52 
  53     public static class ToPosition implements Direction {
  54 
  55         private double error;
  56         private double value;
  57         private CaretOwner caret;
  58 
  59         public ToPosition(CaretOwner caret, double value, double allowedError) {
  60             this.caret = caret;
  61             this.value = value;
  62             this.error = allowedError;
  63         }
  64 
  65         public ToPosition(CaretOwner caret, double value) {
  66             this(caret, value, 0);
  67         }
  68 
  69         public int to() {
  70             double diff = diff();
  71             return (Math.abs(diff) <= error) ? 0 : ((diff > 0) ? 1 : -1);
  72         }
  73 
  74         @Override
  75         public String toString() {
  76             return "value == " + position() + " with " + error + " error";
  77         }
  78 
  79         protected double diff() {
  80             return position() - caret.position();
  81         }
  82 
  83         public CaretOwner getCaret() {
  84             return caret;
  85         }
  86 
  87         protected double position() {
  88             return value;
  89         }
  90     }
  91 
  92 }