Mercurial > hg > trac > TreeVNC > TreeVNC
annotate src/main/java/com/glavsoft/rfb/protocol/ReceiverTask.java @ 61:d9cf08c6415c
During implementation change screen.
author | Taninari YU <you@cr.ie.u-ryukyu.ac.jp> |
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date | Tue, 31 Dec 2013 09:13:07 +0900 |
parents | 433c79184c05 |
children | 84f1c39ba3bf |
rev | line source |
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version2.7.2 original version.
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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.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 |
35 | 47 import jp.ac.u_ryukyu.treevnc.MyRfbProto; |
48 import jp.ac.u_ryukyu.treevnc.client.EchoClient; | |
49 import jp.ac.u_ryukyu.treevnc.client.MyRfbProtoClient; | |
50 | |
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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 |
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57 |
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58 private static Logger logger = Logger.getLogger("com.glavsoft.rfb.protocol.ReceiverTask"); |
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59 private final Reader reader; |
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60 private volatile boolean isRunning = false; |
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61 private Renderer renderer; |
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62 private final IRepaintController repaintController; |
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63 private final ClipboardController clipboardController; |
16 | 64 protected final DecodersContainer decoders; |
65 protected FramebufferUpdateRequestMessage fullscreenFbUpdateIncrementalRequest; | |
66 protected final ProtocolContext context; | |
23 | 67 protected PixelFormat pixelFormat; |
68 protected boolean needSendPixelFormat; | |
35 | 69 private MyRfbProto rfb; |
70 | |
71 public ReceiverTask(Reader reader, | |
72 IRepaintController repaintController, ClipboardController clipboardController, | |
73 DecodersContainer decoders, ProtocolContext context, | |
74 MyRfbProto _rfb) { | |
75 this(reader,repaintController,clipboardController,decoders,context); | |
76 rfb = _rfb; | |
56 | 77 if(!(rfb instanceof MyRfbProtoClient)) { |
78 fullscreenFbUpdateIncrementalRequest.sendFullScreenRequest(); | |
61
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79 connectionFinished(); |
56 | 80 } |
35 | 81 } |
82 | |
16 | 83 |
84 public ReceiverTask(Reader reader, | |
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85 IRepaintController repaintController, ClipboardController clipboardController, |
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86 DecodersContainer decoders, ProtocolContext context) { |
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87 this.reader = reader; |
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88 this.repaintController = repaintController; |
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89 this.clipboardController = clipboardController; |
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90 this.context = context; |
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91 this.decoders = decoders; |
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92 renderer = repaintController.createRenderer(reader, context.getFbWidth(), context.getFbHeight(), |
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93 context.getPixelFormat()); |
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94 fullscreenFbUpdateIncrementalRequest = |
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95 new FramebufferUpdateRequestMessage(0, 0, context.getFbWidth(), context.getFbHeight(), true); |
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96 } |
16 | 97 |
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98 @Override |
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99 public void run() { |
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100 isRunning = true; |
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101 while (isRunning) { |
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102 try { |
19 | 103 reader.mark(20); |
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104 byte messageId = reader.readByte(); |
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105 switch (messageId) { |
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106 case FRAMEBUFFER_UPDATE: |
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107 // logger.fine("Server message: FramebufferUpdate (0)"); |
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108 framebufferUpdateMessage(); |
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109 break; |
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110 case SET_COLOR_MAP_ENTRIES: |
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111 logger.severe("Server message SetColorMapEntries is not implemented. Skip."); |
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112 setColorMapEntries(); |
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113 break; |
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114 case BELL: |
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115 logger.fine("Server message: Bell"); |
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116 // System.out.print("\0007"); |
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117 // System.out.flush(); |
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118 break; |
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119 case SERVER_CUT_TEXT: |
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120 logger.fine("Server message: CutText (3)"); |
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121 serverCutText(); |
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122 break; |
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123 default: |
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124 logger.severe("Unsupported server message. Id = " + messageId); |
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125 } |
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126 } catch (TransportException e) { |
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127 logger.severe("Close session: " + e.getMessage()); |
43 | 128 if(rfb instanceof MyRfbProtoClient && !(rfb.getTerminationType())) { |
35 | 129 System.out.println("task stop"); |
36 | 130 int counter = 0; |
42 | 131 EchoClient echo = rfb.getEcho(); |
132 echo.openport(); | |
36 | 133 while(true) { |
52 | 134 // after set time out. not counter. |
36 | 135 if(counter > 3) { |
136 echo.notfoundParent(); | |
137 } | |
138 if(echo.lostHost()) break; | |
44 | 139 counter++; |
36 | 140 } |
35 | 141 } else if (isRunning) { |
54 | 142 // logger.severe("Close proxy: "); |
143 // context.cleanUpSession("Connection closed."); | |
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144 } |
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145 stopTask(); |
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146 } catch (ProtocolException e) { |
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147 logger.severe(e.getMessage()); |
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148 if (isRunning) { |
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149 context.cleanUpSession(e.getMessage() + "\nConnection closed."); |
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150 } |
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151 stopTask(); |
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152 } catch (CommonException e) { |
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153 logger.severe(e.getMessage()); |
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154 if (isRunning) { |
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155 context.cleanUpSession("Connection closed.."); |
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156 } |
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157 stopTask(); |
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158 } catch (Throwable te) { |
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159 StringWriter sw = new StringWriter(); |
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160 PrintWriter pw = new PrintWriter(sw); |
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161 te.printStackTrace(pw); |
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162 if (isRunning) { |
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163 context.cleanUpSession(te.getMessage() + "\n" + sw.toString()); |
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164 } |
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165 stopTask(); |
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166 } |
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167 } |
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168 } |
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169 |
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170 private void setColorMapEntries() throws TransportException { |
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171 reader.readByte(); // padding |
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172 reader.readUInt16(); // first color index |
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173 int length = reader.readUInt16(); |
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174 while (length-- > 0) { |
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175 reader.readUInt16(); // R |
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176 reader.readUInt16(); // G |
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177 reader.readUInt16(); // B |
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178 } |
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179 } |
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180 |
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181 private void serverCutText() throws TransportException { |
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182 reader.readByte(); // padding |
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183 reader.readInt16(); // padding |
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184 int length = reader.readInt32() & Integer.MAX_VALUE; |
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185 clipboardController.updateSystemClipboard(reader.readBytes(length)); |
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186 } |
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187 |
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188 public void framebufferUpdateMessage() throws CommonException { |
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189 reader.readByte(); // padding |
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190 int numberOfRectangles = reader.readUInt16(); |
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191 while (numberOfRectangles-- > 0) { |
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192 FramebufferUpdateRectangle rect = new FramebufferUpdateRectangle(); |
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193 rect.fill(reader); |
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194 |
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195 Decoder decoder = decoders.getDecoderByType(rect.getEncodingType()); |
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196 logger.finest(rect.toString() + (0 == numberOfRectangles ? "\n---" : "")); |
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197 if (decoder != null) { |
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198 decoder.decode(reader, renderer, rect); |
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199 repaintController.repaintBitmap(rect); |
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200 } else if (rect.getEncodingType() == EncodingType.RICH_CURSOR) { |
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201 RichCursorDecoder.getInstance().decode(reader, renderer, rect); |
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202 repaintController.repaintCursor(); |
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203 } else if (rect.getEncodingType() == EncodingType.CURSOR_POS) { |
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204 renderer.decodeCursorPosition(rect); |
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205 repaintController.repaintCursor(); |
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206 } else if (rect.getEncodingType() == EncodingType.DESKTOP_SIZE) { |
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207 fullscreenFbUpdateIncrementalRequest = |
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208 new FramebufferUpdateRequestMessage(0, 0, rect.width, rect.height, true); |
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209 synchronized (renderer.getLock()) { |
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210 renderer = repaintController.createRenderer(reader, rect.width, rect.height, |
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211 context.getPixelFormat()); |
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212 } |
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213 context.sendMessage(new FramebufferUpdateRequestMessage(0, 0, rect.width, rect.height, false)); |
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214 // repaintController.repaintCursor(); |
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215 } else |
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216 throw new CommonException("Unprocessed encoding: " + rect.toString()); |
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217 } |
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218 synchronized (this) { |
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219 if (needSendPixelFormat) { |
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220 needSendPixelFormat = false; |
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221 context.setPixelFormat(pixelFormat); |
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222 context.sendMessage(new SetPixelFormatMessage(pixelFormat)); |
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223 logger.fine("sent: "+pixelFormat); |
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224 context.sendRefreshMessage(); |
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225 logger.fine("sent: nonincremental fb update"); |
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226 } else { |
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227 context.sendMessage(fullscreenFbUpdateIncrementalRequest); |
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228 } |
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229 } |
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230 } |
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231 |
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232 public synchronized void queueUpdatePixelFormat(PixelFormat pf) { |
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233 pixelFormat = pf; |
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234 needSendPixelFormat = true; |
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235 // context.sendMessage(new FramebufferUpdateRequestMessage(0, 0, 1, 1, false)); |
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236 } |
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237 |
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238 public void stopTask() { |
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239 isRunning = false; |
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240 } |
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241 |
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242 private void connectionFinished() { |
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243 rfb.setReadyReconnect(true); |
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244 } |
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245 } |