Mercurial > hg > Applications > TightVNC_orginal

annotate src/main/java/com/glavsoft/rfb/protocol/ReceiverTask.java @ 49:b0c7fad4c695

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
framebufferupdate : incremental = false
author one
date Tue, 18 Jun 2013 19:15:21 +0900
parents d4663dfd91ae
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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0
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1 // Copyright (C) 2010, 2011 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.drawing.Renderer;
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28 import com.glavsoft.exceptions.CommonException;
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29 import com.glavsoft.exceptions.ProtocolException;
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30 import com.glavsoft.exceptions.TransportException;
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31 import com.glavsoft.rfb.ClipboardController;
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32 import com.glavsoft.rfb.IRepaintController;
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33 import com.glavsoft.rfb.client.FramebufferUpdateRequestMessage;
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34 import com.glavsoft.rfb.client.SetPixelFormatMessage;
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35 import com.glavsoft.rfb.encoding.EncodingType;
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36 import com.glavsoft.rfb.encoding.PixelFormat;
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37 import com.glavsoft.rfb.encoding.decoder.Decoder;
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38 import com.glavsoft.rfb.encoding.decoder.DecodersContainer;
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39 import com.glavsoft.rfb.encoding.decoder.FramebufferUpdateRectangle;
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40 import com.glavsoft.rfb.encoding.decoder.RichCursorDecoder;
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41 import com.glavsoft.transport.Reader;
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42
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43 import java.io.PrintWriter;
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44 import java.io.StringWriter;
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45 import java.util.logging.Logger;
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46
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47 import jp.ac.u_ryukyu.treevnc.MyRfbProto;
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48 import jp.ac.u_ryukyu.treevnc.client.EchoClient;
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49 import jp.ac.u_ryukyu.treevnc.client.MyRfbProtoClient;
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50
0
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51 public class ReceiverTask implements Runnable {
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52 private static final byte FRAMEBUFFER_UPDATE = 0;
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53 private static final byte SET_COLOR_MAP_ENTRIES = 1;
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54 private static final byte BELL = 2;
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55 private static final byte SERVER_CUT_TEXT = 3;
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56 protected static Logger logger = Logger.getLogger("com.glavsoft.rfb.protocol.ReceiverTask");
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57 protected final Reader reader;
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58 private volatile boolean isRunning = false;
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59 protected Renderer renderer;
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60 protected final IRepaintController repaintController;
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61 private final ClipboardController clipboardController;
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62 protected final DecodersContainer decoders;
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63 protected FramebufferUpdateRequestMessage fullscreenFbUpdateIncrementalRequest;
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64 protected final ProtocolContext context;
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65 protected PixelFormat pixelFormat;
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66 protected boolean needSendPixelFormat;
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67 private MyRfbProto rfb;
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68
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69 public ReceiverTask(Reader reader,
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70 IRepaintController repaintController, ClipboardController clipboardController,
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71 DecodersContainer decoders, ProtocolContext context,
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72 MyRfbProto _rfb) {
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73 this(reader,repaintController,clipboardController,decoders,context);
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74 rfb = _rfb;
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75 }
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76
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77
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78 public ReceiverTask(Reader reader,
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79 IRepaintController repaintController, ClipboardController clipboardController,
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80 DecodersContainer decoders, ProtocolContext context) {
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81 this.reader = reader;
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82 this.repaintController = repaintController;
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83 this.clipboardController = clipboardController;
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84 this.context = context;
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85 this.decoders = decoders;
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86 renderer = repaintController.createRenderer(reader, context.getFbWidth(), context.getFbHeight(),
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87 context.getPixelFormat());
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88 fullscreenFbUpdateIncrementalRequest =
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89 new FramebufferUpdateRequestMessage(0, 0, context.getFbWidth(), context.getFbHeight(), false);
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90 }
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91
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92 @Override
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93 public void run() {
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94 isRunning = true;
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95 while (isRunning) {
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96 try {
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97 reader.mark(20);
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98 byte messageId = reader.readByte();
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99 switch (messageId) {
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100 case FRAMEBUFFER_UPDATE:
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101 // logger.fine("Server message: FramebufferUpdate (0)");
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102 framebufferUpdateMessage();
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103 break;
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104 case SET_COLOR_MAP_ENTRIES:
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105 logger.severe("Server message SetColorMapEntries is not implemented. Skip.");
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106 setColorMapEntries();
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107 break;
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108 case BELL:
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109 logger.fine("Server message: Bell");
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110 // System.out.print("\0007");
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111 // System.out.flush();
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112 break;
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113 case SERVER_CUT_TEXT:
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114 logger.fine("Server message: CutText (3)");
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115 serverCutText();
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116 break;
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117 default:
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118 logger.severe("Unsupported server message. Id = " + messageId);
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119 }
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120 } catch (TransportException e) {
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121 logger.severe("Close session: " + e.getMessage());
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122 if(rfb instanceof MyRfbProtoClient && !(rfb.getTerminationType())) {
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123 System.out.println("task stop");
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124 int counter = 0;
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125 EchoClient echo = rfb.getEcho();
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126 echo.openport();
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127 while(true) {
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128 if(counter > 3) {
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129 echo.notfoundParent();
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130 }
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131 if(echo.lostHost()) break;
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132 counter++;
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133 }
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134 } else if (isRunning) {
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135 logger.severe("Close proxy: ");
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136 context.cleanUpSession("Connection closed.");
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137 }
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138 stopTask();
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139 } catch (ProtocolException e) {
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140 logger.severe(e.getMessage());
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141 if (isRunning) {
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142 context.cleanUpSession(e.getMessage() + "\nConnection closed.");
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143 }
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144 stopTask();
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145 } catch (CommonException e) {
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146 logger.severe(e.getMessage());
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147 if (isRunning) {
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148 context.cleanUpSession("Connection closed.");
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149 }
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150 stopTask();
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151 } catch (Throwable te) {
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
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152 StringWriter sw = new StringWriter();
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
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153 PrintWriter pw = new PrintWriter(sw);
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
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154 te.printStackTrace(pw);
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
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155 if (isRunning) {
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156 context.cleanUpSession(te.getMessage() + "\n" + sw.toString());
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157 }
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158 stopTask();
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159 }
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160 }
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
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161 }
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162
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
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163 private void setColorMapEntries() throws TransportException {
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
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164 reader.readByte(); // padding
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
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165 reader.readUInt16(); // first color index
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
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166 int length = reader.readUInt16();
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
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167 while (length-- > 0) {
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168 reader.readUInt16(); // R
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169 reader.readUInt16(); // G
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
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170 reader.readUInt16(); // B
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
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171 }
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
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172 }
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173
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
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174 private void serverCutText() throws TransportException {
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175 reader.readByte(); // padding
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
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176 reader.readInt16(); // padding
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177 int length = reader.readInt32() & Integer.MAX_VALUE;
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parents:
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178 clipboardController.updateSystemClipboard(reader.readBytes(length));
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179 }
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180
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181 public void framebufferUpdateMessage() throws CommonException {
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parents:
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182 reader.readByte(); // padding
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
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183 int numberOfRectangles = reader.readUInt16();
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parents:
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184 while (numberOfRectangles-- > 0) {
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185 FramebufferUpdateRectangle rect = new FramebufferUpdateRectangle();
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186 rect.fill(reader);
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187
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188 Decoder decoder = decoders.getDecoderByType(rect.getEncodingType());
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189 logger.finest(rect.toString() + (0 == numberOfRectangles ? "\n---" : ""));
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190 if (decoder != null) {
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191 decoder.decode(reader, renderer, rect);
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192 repaintController.repaintBitmap(rect);
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193 } else if (rect.getEncodingType() == EncodingType.RICH_CURSOR) {
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194 RichCursorDecoder.getInstance().decode(reader, renderer, rect);
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195 repaintController.repaintCursor();
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196 } else if (rect.getEncodingType() == EncodingType.CURSOR_POS) {
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197 renderer.decodeCursorPosition(rect);
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198 repaintController.repaintCursor();
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199 } else if (rect.getEncodingType() == EncodingType.DESKTOP_SIZE) {
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200 fullscreenFbUpdateIncrementalRequest =
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201 new FramebufferUpdateRequestMessage(0, 0, rect.width, rect.height, true);
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parents:
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202 synchronized (renderer) {
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203 renderer = repaintController.createRenderer(reader, rect.width, rect.height,
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204 context.getPixelFormat());
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205 }
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206 context.sendMessage(new FramebufferUpdateRequestMessage(0, 0, rect.width, rect.height, false));
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207 // repaintController.repaintCursor();
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208 } else
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parents:
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209 throw new CommonException("Unprocessed encoding: " + rect.toString());
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210 }
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parents:
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211 synchronized (this) {
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parents:
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212 if (needSendPixelFormat) {
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
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213 needSendPixelFormat = false;
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
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214 context.setPixelFormat(pixelFormat);
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parents:
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215 context.sendMessage(new SetPixelFormatMessage(pixelFormat));
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parents:
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216 logger.fine("sent: "+pixelFormat);
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
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217 context.sendRefreshMessage();
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
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218 logger.fine("sent: nonincremental fb update");
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parents:
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219 } else {
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parents:
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220 context.sendMessage(fullscreenFbUpdateIncrementalRequest);
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parents:
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221 }
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
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222 }
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
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223 }
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
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224
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parents:
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225 public synchronized void queueUpdatePixelFormat(PixelFormat pf) {
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parents:
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226 pixelFormat = pf;
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parents:
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227 needSendPixelFormat = true;
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parents:
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228 // context.sendMessage(new FramebufferUpdateRequestMessage(0, 0, 1, 1, false));
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229 }
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parents:
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230
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
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231 public void stopTask() {
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parents:
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232 isRunning = false;
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233 }
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parents:
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234 }