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1 // Copyright (C) 2010, 2011, 2012, 2013 GlavSoft LLC.
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2 // All rights reserved.
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3 //
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4 //-------------------------------------------------------------------------
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5 // This file is part of the TightVNC software. Please visit our Web site:
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6 //
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7 // http://www.tightvnc.com/
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8 //
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9 // This program is free software; you can redistribute it and/or modify
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10 // it under the terms of the GNU General Public License as published by
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11 // the Free Software Foundation; either version 2 of the License, or
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12 // (at your option) any later version.
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13 //
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14 // This program is distributed in the hope that it will be useful,
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15 // but WITHOUT ANY WARRANTY; without even the implied warranty of
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16 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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17 // GNU General Public License for more details.
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18 //
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19 // You should have received a copy of the GNU General Public License along
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20 // with this program; if not, write to the Free Software Foundation, Inc.,
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21 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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22 //-------------------------------------------------------------------------
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23 //
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24
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25 package com.glavsoft.rfb.protocol;
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26
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27 import com.glavsoft.core.SettingsChangedEvent;
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28 import com.glavsoft.rfb.CapabilityContainer;
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29 import com.glavsoft.rfb.IChangeSettingsListener;
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30 import com.glavsoft.rfb.RfbCapabilityInfo;
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31 import com.glavsoft.rfb.encoding.EncodingType;
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32 import com.glavsoft.rfb.protocol.auth.SecurityType;
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33
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34 import java.io.Serializable;
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35 import java.util.Iterator;
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36 import java.util.LinkedHashSet;
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37 import java.util.LinkedList;
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38 import java.util.List;
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39
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40 /**
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41 * Protocol Settings class
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42 */
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43 public class ProtocolSettings implements Serializable {
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44 private static final long serialVersionUID = 1L;
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45
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46 private static final EncodingType DEFAULT_PREFERRED_ENCODING = EncodingType.TIGHT;
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47 public static final int DEFAULT_JPEG_QUALITY = 6;
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48 private static final int DEFAULT_COMPRESSION_LEVEL = -6;
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49
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50 // color depth constants
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51 public static final int COLOR_DEPTH_32 = 32;
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52 public static final int COLOR_DEPTH_24 = 24;
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53 public static final int COLOR_DEPTH_16 = 16;
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54 public static final int COLOR_DEPTH_8 = 8;
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55 public static final int COLOR_DEPTH_6 = 6;
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56 public static final int COLOR_DEPTH_3 = 3;
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57
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58 public static final int COLOR_DEPTH_SERVER_SETTINGS = 0;
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59
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60 private static final int DEFAULT_COLOR_DEPTH = COLOR_DEPTH_24;
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61
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62 public static final int CHANGED_VIEW_ONLY = 1; // 1 << 0;
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63 public static final int CHANGED_ENCODINGS = 1 << 1;
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64 public static final int CHANGED_ALLOW_COPY_RECT = 1 << 2;
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65 public static final int CHANGED_SHOW_REMOTE_CURSOR = 1 << 3;
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66 public static final int CHANGED_MOUSE_CURSOR_TRACK = 1 << 4;
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67 public static final int CHANGED_COMPRESSION_LEVEL = 1 << 5;
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68 public static final int CHANGED_JPEG_QUALITY = 1 << 6;
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69 public static final int CHANGED_ALLOW_CLIPBOARD_TRANSFER = 1 << 7;
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70 public static final int CHANGED_CONVERT_TO_ASCII = 1 << 8;
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71 public static final int CHANGED_COLOR_DEPTH = 1 << 9;
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72 public static final int CHANGED_SHARED = 1 << 10;
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73
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74 private transient int changedSettingsMask;
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75
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76 private boolean sharedFlag;
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77 private boolean viewOnly;
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78 private EncodingType preferredEncoding;
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79 private boolean allowCopyRect;
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80 private boolean showRemoteCursor;
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81 private LocalPointer mouseCursorTrack;
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82 private int compressionLevel;
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83 private int jpegQuality;
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84 private boolean allowClipboardTransfer;
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85 private boolean convertToAscii;
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86 private int colorDepth;
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87
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88 public transient LinkedHashSet<EncodingType> encodings;
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89 private transient final List<IChangeSettingsListener> listeners;
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90
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91 public transient CapabilityContainer
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92 tunnelingCapabilities,
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93 authCapabilities,
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94 serverMessagesCapabilities,
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95 clientMessagesCapabilities,
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96 encodingTypesCapabilities;
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97 private transient String remoteCharsetName;
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98
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99 public static ProtocolSettings getDefaultSettings() {
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100 ProtocolSettings settings = new ProtocolSettings();
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101 settings.initKnownAuthCapabilities(settings.authCapabilities);
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102 settings.initKnownEncodingTypesCapabilities(settings.encodingTypesCapabilities);
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103 return settings;
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104 }
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105
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106 private ProtocolSettings() {
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107 sharedFlag = true;
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108 viewOnly = false;
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109 showRemoteCursor = true;
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110 mouseCursorTrack = LocalPointer.ON;
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111 preferredEncoding = DEFAULT_PREFERRED_ENCODING;
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112 allowCopyRect = true;
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113 compressionLevel = DEFAULT_COMPRESSION_LEVEL;
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114 jpegQuality = DEFAULT_JPEG_QUALITY;
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115 convertToAscii = false;
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116 allowClipboardTransfer = true;
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117 colorDepth = COLOR_DEPTH_SERVER_SETTINGS;
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118 refine();
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119
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120 listeners = new LinkedList<IChangeSettingsListener>();
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121 tunnelingCapabilities = new CapabilityContainer();
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122 authCapabilities = new CapabilityContainer();
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123 serverMessagesCapabilities = new CapabilityContainer();
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124 clientMessagesCapabilities = new CapabilityContainer();
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125 encodingTypesCapabilities = new CapabilityContainer();
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126 changedSettingsMask = 0;
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127 }
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128
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129 public ProtocolSettings(ProtocolSettings s) {
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130 this();
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131 copyDataFrom(s);
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132 changedSettingsMask = s.changedSettingsMask;
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133 encodings = s.encodings;
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134 }
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135
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136 public void copyDataFrom(ProtocolSettings s) {
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137 copyDataFrom(s, 0);
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138 }
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139
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140 public void copyDataFrom(ProtocolSettings s, int mask) {
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141 if (null == s) return;
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142 if ((mask & CHANGED_SHARED) == 0) setSharedFlag(s.sharedFlag);
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143 if ((mask & CHANGED_VIEW_ONLY) == 0) setViewOnly(s.viewOnly);
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144 if ((mask & CHANGED_ALLOW_COPY_RECT) == 0) setAllowCopyRect(s.allowCopyRect);
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145 if ((mask & CHANGED_SHOW_REMOTE_CURSOR) == 0) setShowRemoteCursor(s.showRemoteCursor);
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146 if ((mask & CHANGED_ALLOW_CLIPBOARD_TRANSFER) == 0) setAllowClipboardTransfer(s.allowClipboardTransfer);
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147
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148 if ((mask & CHANGED_MOUSE_CURSOR_TRACK) == 0) setMouseCursorTrack(s.mouseCursorTrack);
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149 if ((mask & CHANGED_COMPRESSION_LEVEL) == 0) setCompressionLevel(s.compressionLevel);
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150 if ((mask & CHANGED_JPEG_QUALITY) == 0) setJpegQuality(s.jpegQuality);
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151 if ((mask & CHANGED_CONVERT_TO_ASCII) == 0) setConvertToAscii(s.convertToAscii);
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152 if ((mask & CHANGED_COLOR_DEPTH) == 0) setColorDepth(s.colorDepth);
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153 if ((mask & CHANGED_ENCODINGS) == 0) setPreferredEncoding(s.preferredEncoding);
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154 }
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155
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156 private void initKnownAuthCapabilities(CapabilityContainer cc) {
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157 cc.addEnabled(SecurityType.NONE_AUTHENTICATION.getId(),
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158 RfbCapabilityInfo.VENDOR_STANDARD, RfbCapabilityInfo.AUTHENTICATION_NO_AUTH);
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159 cc.addEnabled(SecurityType.VNC_AUTHENTICATION.getId(),
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160 RfbCapabilityInfo.VENDOR_STANDARD, RfbCapabilityInfo.AUTHENTICATION_VNC_AUTH);
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161 //cc.addEnabled( 19, "VENC", "VENCRYPT");
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162 //cc.addEnabled( 20, "GTKV", "SASL____");
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163 //cc.addEnabled(129, RfbCapabilityInfo.TIGHT_VNC_VENDOR, "ULGNAUTH");
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164 //cc.addEnabled(130, RfbCapabilityInfo.TIGHT_VNC_VENDOR, "XTRNAUTH");
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165 }
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166
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167 private void initKnownEncodingTypesCapabilities(CapabilityContainer cc) {
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168 cc.add(EncodingType.COPY_RECT.getId(),
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169 RfbCapabilityInfo.VENDOR_STANDARD, RfbCapabilityInfo.ENCODING_COPYRECT);
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170 cc.add(EncodingType.HEXTILE.getId(),
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171 RfbCapabilityInfo.VENDOR_STANDARD, RfbCapabilityInfo.ENCODING_HEXTILE);
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172 cc.add(EncodingType.ZLIB.getId(),
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173 RfbCapabilityInfo.VENDOR_TRIADA, RfbCapabilityInfo.ENCODING_ZLIB);
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174 cc.add(EncodingType.ZRLE.getId(),
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175 RfbCapabilityInfo.VENDOR_TRIADA, RfbCapabilityInfo.ENCODING_ZRLE);
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176 cc.add(EncodingType.RRE.getId(),
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177 RfbCapabilityInfo.VENDOR_STANDARD, RfbCapabilityInfo.ENCODING_RRE);
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178 cc.add(EncodingType.TIGHT.getId(),
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179 RfbCapabilityInfo.VENDOR_TIGHT, RfbCapabilityInfo.ENCODING_TIGHT);
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180
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181 cc.add(EncodingType.RICH_CURSOR.getId(),
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182 RfbCapabilityInfo.VENDOR_TIGHT, RfbCapabilityInfo.ENCODING_RICH_CURSOR);
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183 cc.add(EncodingType.CURSOR_POS.getId(),
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184 RfbCapabilityInfo.VENDOR_TIGHT, RfbCapabilityInfo.ENCODING_CURSOR_POS);
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185 cc.add(EncodingType.DESKTOP_SIZE.getId(),
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186 RfbCapabilityInfo.VENDOR_TIGHT, RfbCapabilityInfo.ENCODING_DESKTOP_SIZE);
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187 }
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188
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189 public void addListener(IChangeSettingsListener listener) {
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190 listeners.add(listener);
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191 }
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192
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193 public byte getSharedFlag() {
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194 return (byte) (sharedFlag ? 1 : 0);
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195 }
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196
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197 public boolean isShared() {
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198 return sharedFlag;
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199 }
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200
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201 public void setSharedFlag(boolean sharedFlag) {
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202 if (this.sharedFlag != sharedFlag) {
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203 this.sharedFlag = sharedFlag;
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204 changedSettingsMask |= CHANGED_SHARED;
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205 }
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206 }
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207
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208 public boolean isViewOnly() {
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209 return viewOnly;
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210 }
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211
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212 public void setViewOnly(boolean viewOnly) {
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213 if (this.viewOnly != viewOnly) {
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214 this.viewOnly = viewOnly;
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215 changedSettingsMask |= CHANGED_VIEW_ONLY;
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216 }
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217 }
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218
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219 public void enableAllEncodingCaps() {
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220 encodingTypesCapabilities.setAllEnable(true);
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221
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222 }
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223
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224 public int getColorDepth() {
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225 return colorDepth;
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226 }
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227
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228 /**
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229 * Set depth only in 3, 6, 8, 16, 32. When depth is wrong, it resets to {@link #DEFAULT_COLOR_DEPTH}
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230 */
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231 public void setColorDepth(int depth) {
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232 if (colorDepth != depth) {
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233 changedSettingsMask |= CHANGED_COLOR_DEPTH;
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234 switch (depth) {
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235 case COLOR_DEPTH_32:
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236 colorDepth = COLOR_DEPTH_24;
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237 break;
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238 case COLOR_DEPTH_24:
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239 case COLOR_DEPTH_16:
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240 case COLOR_DEPTH_8:
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241 case COLOR_DEPTH_6:
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242 case COLOR_DEPTH_3:
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243 case COLOR_DEPTH_SERVER_SETTINGS:
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244 colorDepth = depth;
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245 break;
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246 default:
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247 colorDepth = DEFAULT_COLOR_DEPTH;
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248 }
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249 refine();
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250 }
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251 }
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252
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253 public void refine() {
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254 LinkedHashSet<EncodingType> encodings = new LinkedHashSet<EncodingType>();
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255 if (EncodingType.RAW_ENCODING == preferredEncoding) {
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256 // when RAW selected send no ordinary encodings so only default RAW encoding will be enabled
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257 } else {
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258 encodings.add(preferredEncoding); // preferred first
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259 encodings.addAll(EncodingType.ordinaryEncodings);
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260 if (compressionLevel > 0 && compressionLevel < 10) {
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261 encodings.add(EncodingType.byId(
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262 EncodingType.COMPRESS_LEVEL_0.getId() + compressionLevel));
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263 }
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264 if (jpegQuality > 0 && jpegQuality < 10 &&
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265 (colorDepth == COLOR_DEPTH_24 || colorDepth == COLOR_DEPTH_SERVER_SETTINGS)) {
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266 encodings.add(EncodingType.byId(
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267 EncodingType.JPEG_QUALITY_LEVEL_0.getId() + jpegQuality));
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268 }
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269 if (allowCopyRect) {
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270 encodings.add(EncodingType.COPY_RECT);
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271 }
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272 }
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273 switch(mouseCursorTrack) {
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274 case OFF:
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275 setShowRemoteCursor(false);
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276 break;
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277 case HIDE:
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278 setShowRemoteCursor(false);
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279 encodings.add(EncodingType.RICH_CURSOR);
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280 encodings.add(EncodingType.CURSOR_POS);
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281 break;
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282 case ON:
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283 default:
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284 setShowRemoteCursor(true);
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285 encodings.add(EncodingType.RICH_CURSOR);
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286 encodings.add(EncodingType.CURSOR_POS);
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287 }
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288 encodings.add(EncodingType.DESKTOP_SIZE);
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289 if ( isEncodingsChanged(this.encodings, encodings) || isChangedEncodings()) {
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290 this.encodings = encodings;
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291 changedSettingsMask |= CHANGED_ENCODINGS;
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292 }
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293 }
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294
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295 private boolean isEncodingsChanged(LinkedHashSet<EncodingType> encodings1, LinkedHashSet<EncodingType> encodings2) {
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296 if (null == encodings1 || encodings1.size() != encodings2.size()) return true;
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297 Iterator<EncodingType> it1 = encodings1.iterator();
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298 Iterator<EncodingType> it2 = encodings2.iterator();
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299 while (it1.hasNext()) {
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300 EncodingType v1 = it1.next();
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301 EncodingType v2 = it2.next();
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302 if (v1 != v2) return true;
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303 }
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304 return false;
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305 }
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306
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307 public void fireListeners() {
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308 if (null == listeners) return;
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309 final SettingsChangedEvent event = new SettingsChangedEvent(new ProtocolSettings(this));
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310 changedSettingsMask = 0;
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311 for (IChangeSettingsListener listener : listeners) {
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312 listener.settingsChanged(event);
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313 }
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314 }
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315
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316 public static boolean isRfbSettingsChangedFired(SettingsChangedEvent event) {
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317 return event.getSource() instanceof ProtocolSettings;
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318 }
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319
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320 public void setPreferredEncoding(EncodingType preferredEncoding) {
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321 if (this.preferredEncoding != preferredEncoding) {
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322 this.preferredEncoding = preferredEncoding;
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323 changedSettingsMask |= CHANGED_ENCODINGS;
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324 refine();
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325 }
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326 }
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327
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328 public EncodingType getPreferredEncoding() {
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329 return preferredEncoding;
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330 }
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331
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332 public void setAllowCopyRect(boolean allowCopyRect) {
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333 if (this.allowCopyRect != allowCopyRect) {
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334 this.allowCopyRect = allowCopyRect;
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335 changedSettingsMask |= CHANGED_ALLOW_COPY_RECT;
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336 refine();
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337 }
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338 }
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339
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340 public boolean isAllowCopyRect() {
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341 return allowCopyRect;
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342 }
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343
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344 private void setShowRemoteCursor(boolean showRemoteCursor) {
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345 if (this.showRemoteCursor != showRemoteCursor) {
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346 this.showRemoteCursor = showRemoteCursor;
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347 changedSettingsMask |= CHANGED_SHOW_REMOTE_CURSOR;
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348 }
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349 }
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350
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351 public boolean isShowRemoteCursor() {
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352 return showRemoteCursor;
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353 }
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354
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355 public void setMouseCursorTrack(LocalPointer mouseCursorTrack) {
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356 if (this.mouseCursorTrack != mouseCursorTrack) {
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357 this.mouseCursorTrack = mouseCursorTrack;
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358 changedSettingsMask |= CHANGED_MOUSE_CURSOR_TRACK;
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359 refine();
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360 }
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361 }
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362
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363 public LocalPointer getMouseCursorTrack() {
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364 return mouseCursorTrack;
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365 }
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366
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367 public void setCompressionLevel(int compressionLevel) {
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368 if (this.compressionLevel != compressionLevel) {
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369 this.compressionLevel = compressionLevel;
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370 changedSettingsMask |= CHANGED_COMPRESSION_LEVEL;
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371 refine();
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372 }
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373 }
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374
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375 public int getCompressionLevel() {
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376 return compressionLevel;
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377 }
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378
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379 public void setJpegQuality(int jpegQuality) {
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380 if (this.jpegQuality != jpegQuality) {
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381 this.jpegQuality = jpegQuality;
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382 changedSettingsMask |= CHANGED_JPEG_QUALITY;
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383 refine();
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384 }
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385 }
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386
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387 public int getJpegQuality() {
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388 return jpegQuality;
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389 }
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390
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391 public void setAllowClipboardTransfer(boolean enable) {
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392 if (this.allowClipboardTransfer != enable) {
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393 this.allowClipboardTransfer = enable;
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394 changedSettingsMask |= CHANGED_ALLOW_CLIPBOARD_TRANSFER;
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395 }
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396 }
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397
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398 public boolean isAllowClipboardTransfer() {
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399 return allowClipboardTransfer;
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400 }
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401
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402 public boolean isConvertToAscii() {
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403 return convertToAscii;
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404 }
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405
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406 public void setConvertToAscii(boolean convertToAscii) {
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407 if (this.convertToAscii != convertToAscii) {
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408 this.convertToAscii = convertToAscii;
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409 changedSettingsMask |= CHANGED_CONVERT_TO_ASCII;
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410 }
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411 }
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412
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413 public boolean isChangedEncodings() {
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414 return (changedSettingsMask & CHANGED_ENCODINGS) == CHANGED_ENCODINGS;
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415 }
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416
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417 public boolean isChangedColorDepth() {
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418 return (changedSettingsMask & CHANGED_COLOR_DEPTH) == CHANGED_COLOR_DEPTH;
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419 }
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420
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421 public void setRemoteCharsetName(String remoteCharsetName) {
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422 this.remoteCharsetName = remoteCharsetName;
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423 }
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424
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425 public String getRemoteCharsetName() {
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426 return remoteCharsetName;
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427 }
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428
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429 @Override
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430 public String toString() {
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431 return "ProtocolSettings{" +
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432 "sharedFlag=" + sharedFlag +
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433 ", viewOnly=" + viewOnly +
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434 ", preferredEncoding=" + preferredEncoding +
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435 ", allowCopyRect=" + allowCopyRect +
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436 ", showRemoteCursor=" + showRemoteCursor +
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437 ", mouseCursorTrack=" + mouseCursorTrack +
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438 ", compressionLevel=" + compressionLevel +
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439 ", jpegQuality=" + jpegQuality +
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440 ", allowClipboardTransfer=" + allowClipboardTransfer +
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441 ", convertToAscii=" + convertToAscii +
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442 ", colorDepth=" + colorDepth +
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443 '}';
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444 }
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445 }
|
