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1 package treeVnc;
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2 //
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3 // Copyright (C) 2003 Constantin Kaplinsky. All Rights Reserved.
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4 //
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5 // This is free software; you can redistribute it and/or modify
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6 // it under the terms of the GNU General Public License as published by
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7 // the Free Software Foundation; either version 2 of the License, or
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8 // (at your option) any later version.
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9 //
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10 // This software is distributed in the hope that it will be useful,
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11 // but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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13 // GNU General Public License for more details.
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14 //
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15 // You should have received a copy of the GNU General Public License
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16 // along with this software; if not, write to the Free Software
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17 // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
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18 // USA.
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19 //
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20
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21 //
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22 // CapsContainer.java - A container of capabilities as used in the RFB
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23 // protocol 3.130
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24 //
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25
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26 import java.util.Vector;
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27 import java.util.Hashtable;
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28
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29 class CapsContainer {
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30
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31 // Public methods
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32
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33 public CapsContainer() {
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20
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34 infoMap = new Hashtable<Integer,CapabilityInfo>(64, (float)0.25);
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35 orderedList = new Vector<Integer>(32, 8);
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36 }
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37
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38 public void add(CapabilityInfo capinfo) {
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39 Integer key = new Integer(capinfo.getCode());
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40 infoMap.put(key, capinfo);
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41 }
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42
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43 public void add(int code, String vendor, String name, String desc) {
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44 Integer key = new Integer(code);
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45 infoMap.put(key, new CapabilityInfo(code, vendor, name, desc));
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46 }
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47
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48 public boolean isKnown(int code) {
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49 return infoMap.containsKey(new Integer(code));
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50 }
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51
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52 public CapabilityInfo getInfo(int code) {
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53 return (CapabilityInfo)infoMap.get(new Integer(code));
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54 }
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55
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56 public String getDescription(int code) {
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57 CapabilityInfo capinfo = (CapabilityInfo)infoMap.get(new Integer(code));
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58 if (capinfo == null)
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59 return null;
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60
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61 return capinfo.getDescription();
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62 }
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63
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64 public boolean enable(CapabilityInfo other) {
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65 Integer key = new Integer(other.getCode());
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66 CapabilityInfo capinfo = (CapabilityInfo)infoMap.get(key);
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67 if (capinfo == null)
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68 return false;
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69
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70 boolean enabled = capinfo.enableIfEquals(other);
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71 if (enabled)
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72 orderedList.addElement(key);
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73
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74 return enabled;
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75 }
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76
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77 public boolean isEnabled(int code) {
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78 CapabilityInfo capinfo = (CapabilityInfo)infoMap.get(new Integer(code));
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79 if (capinfo == null)
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80 return false;
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81
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82 return capinfo.isEnabled();
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83 }
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84
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85 public int numEnabled() {
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86 return orderedList.size();
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87 }
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88
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89 public int getByOrder(int idx) {
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90 int code;
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91 try {
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92 code = ((Integer)orderedList.elementAt(idx)).intValue();
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93 } catch (ArrayIndexOutOfBoundsException e) {
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94 code = 0;
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95 }
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96 return code;
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97 }
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98
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99 // Protected data
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100
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101 protected Hashtable<Integer,CapabilityInfo> infoMap;
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102 protected Vector<Integer> orderedList;
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103 }
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104
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