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- //
- // Copyright (C) 2001-2004 HorizonLive.com, Inc. All Rights Reserved.
- // Copyright (C) 2002 Constantin Kaplinsky. All Rights Reserved.
- // Copyright (C) 1999 AT&T Laboratories Cambridge. All Rights Reserved.
- //
- // This is free software; you can redistribute it and/or modify
- // it under the terms of the GNU General Public License as published by
- // the Free Software Foundation; either version 2 of the License, or
- // (at your option) any later version.
- //
- // This software is distributed in the hope that it will be useful,
- // but WITHOUT ANY WARRANTY; without even the implied warranty of
- // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- // GNU General Public License for more details.
- //
- // You should have received a copy of the GNU General Public License
- // along with this software; if not, write to the Free Software
- // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
- // USA.
- //
-
- //
- // VncViewer.java - the VNC viewer applet. This class mainly just sets up the
- // user interface, leaving it to the VncCanvas to do the actual rendering of
- // a VNC desktop.
- //
-
- import java.awt.*;
- import java.awt.event.*;
- import java.io.*;
- import java.net.*;
-
- public class VncViewer extends java.applet.Applet
- implements java.lang.Runnable, WindowListener {
-
- boolean inAnApplet = true;
- boolean inSeparateFrame = false;
-
- //
- // main() is called when run as a java program from the command line.
- // It simply runs the applet inside a newly-created frame.
- //
-
- public static void main(String[] argv) {
- VncViewer v = new VncViewer();
- v.mainArgs = argv;
- v.inAnApplet = false;
- v.inSeparateFrame = true;
-
- v.init();
- v.start();
- }
-
- String[] mainArgs;
-
- RfbProto rfb;
- Thread rfbThread;
-
- Frame vncFrame;
- Container vncContainer;
- ScrollPane desktopScrollPane;
- GridBagLayout gridbag;
- ButtonPanel buttonPanel;
- Label connStatusLabel;
- VncCanvas vc;
- OptionsFrame options;
- ClipboardFrame clipboard;
- RecordingFrame rec;
-
- // Control session recording.
- Object recordingSync;
- String sessionFileName;
- boolean recordingActive;
- boolean recordingStatusChanged;
- String cursorUpdatesDef;
- String eightBitColorsDef;
-
- // Variables read from parameter values.
- String socketFactory;
- String host;
- int port;
- String passwordParam;
- boolean showControls;
- boolean offerRelogin;
- boolean showOfflineDesktop;
- int deferScreenUpdates;
- int deferCursorUpdates;
- int deferUpdateRequests;
- int debugStatsExcludeUpdates;
- int debugStatsMeasureUpdates;
-
- // Reference to this applet for inter-applet communication.
- public static java.applet.Applet refApplet;
-
- //
- // init()
- //
-
- public void init() {
-
- readParameters();
-
- refApplet = this;
-
- if (inSeparateFrame) {
- vncFrame = new Frame("TightVNC");
- if (!inAnApplet) {
- vncFrame.add("Center", this);
- }
- vncContainer = vncFrame;
- } else {
- vncContainer = this;
- }
-
- recordingSync = new Object();
-
- options = new OptionsFrame(this);
- clipboard = new ClipboardFrame(this);
- if (RecordingFrame.checkSecurity())
- rec = new RecordingFrame(this);
-
- sessionFileName = null;
- recordingActive = false;
- recordingStatusChanged = false;
- cursorUpdatesDef = null;
- eightBitColorsDef = null;
-
- if (inSeparateFrame)
- vncFrame.addWindowListener(this);
-
- rfbThread = new Thread(this);
- rfbThread.start();
- }
-
- public void update(Graphics g) {
- }
-
- //
- // run() - executed by the rfbThread to deal with the RFB socket.
- //
-
- public void run() {
-
- gridbag = new GridBagLayout();
- vncContainer.setLayout(gridbag);
-
- GridBagConstraints gbc = new GridBagConstraints();
- gbc.gridwidth = GridBagConstraints.REMAINDER;
- gbc.anchor = GridBagConstraints.NORTHWEST;
-
- if (showControls) {
- buttonPanel = new ButtonPanel(this);
- gridbag.setConstraints(buttonPanel, gbc);
- vncContainer.add(buttonPanel);
- }
-
- try {
- connectAndAuthenticate();
- doProtocolInitialisation();
-
- // FIXME: Use auto-scaling not only in a separate frame.
- if (options.autoScale && inSeparateFrame) {
- Dimension screenSize;
- try {
- screenSize = vncContainer.getToolkit().getScreenSize();
- } catch (Exception e) {
- screenSize = new Dimension(0, 0);
- }
- createCanvas(screenSize.width - 32, screenSize.height - 32);
- } else {
- createCanvas(0, 0);
- }
-
- gbc.weightx = 1.0;
- gbc.weighty = 1.0;
-
- if (inSeparateFrame) {
-
- // Create a panel which itself is resizeable and can hold
- // non-resizeable VncCanvas component at the top left corner.
- Panel canvasPanel = new Panel();
- canvasPanel.setLayout(new FlowLayout(FlowLayout.LEFT, 0, 0));
- canvasPanel.add(vc);
-
- // Create a ScrollPane which will hold a panel with VncCanvas
- // inside.
- desktopScrollPane = new ScrollPane(ScrollPane.SCROLLBARS_AS_NEEDED);
- gbc.fill = GridBagConstraints.BOTH;
- gridbag.setConstraints(desktopScrollPane, gbc);
- desktopScrollPane.add(canvasPanel);
-
- // Finally, add our ScrollPane to the Frame window.
- vncFrame.add(desktopScrollPane);
- vncFrame.setTitle(rfb.desktopName);
- vncFrame.pack();
- vc.resizeDesktopFrame();
-
- } else {
-
- // Just add the VncCanvas component to the Applet.
- gridbag.setConstraints(vc, gbc);
- add(vc);
- validate();
-
- }
-
- if (showControls)
- buttonPanel.enableButtons();
-
- moveFocusToDesktop();
- processNormalProtocol();
-
- } catch (NoRouteToHostException e) {
- fatalError("Network error: no route to server: " + host, e);
- } catch (UnknownHostException e) {
- fatalError("Network error: server name unknown: " + host, e);
- } catch (ConnectException e) {
- fatalError("Network error: could not connect to server: " +
- host + ":" + port, e);
- } catch (EOFException e) {
- if (showOfflineDesktop) {
- e.printStackTrace();
- System.out.println("Network error: remote side closed connection");
- if (vc != null) {
- vc.enableInput(false);
- }
- if (inSeparateFrame) {
- vncFrame.setTitle(rfb.desktopName + " [disconnected]");
- }
- if (rfb != null && !rfb.closed())
- rfb.close();
- if (showControls && buttonPanel != null) {
- buttonPanel.disableButtonsOnDisconnect();
- if (inSeparateFrame) {
- vncFrame.pack();
- } else {
- validate();
- }
- }
- } else {
- fatalError("Network error: remote side closed connection", e);
- }
- } catch (IOException e) {
- String str = e.getMessage();
- if (str != null && str.length() != 0) {
- fatalError("Network Error: " + str, e);
- } else {
- fatalError(e.toString(), e);
- }
- } catch (Exception e) {
- String str = e.getMessage();
- if (str != null && str.length() != 0) {
- fatalError("Error: " + str, e);
- } else {
- fatalError(e.toString(), e);
- }
- }
-
- }
-
- //
- // Create a VncCanvas instance.
- //
-
- void createCanvas(int maxWidth, int maxHeight) throws IOException {
- // Determine if Java 2D API is available and use a special
- // version of VncCanvas if it is present.
- vc = null;
- try {
- // This throws ClassNotFoundException if there is no Java 2D API.
- Class cl = Class.forName("java.awt.Graphics2D");
- // If we could load Graphics2D class, then we can use VncCanvas2D.
- cl = Class.forName("VncCanvas2");
- Class[] argClasses = { this.getClass(), Integer.TYPE, Integer.TYPE };
- java.lang.reflect.Constructor cstr = cl.getConstructor(argClasses);
- Object[] argObjects =
- { this, new Integer(maxWidth), new Integer(maxHeight) };
- vc = (VncCanvas)cstr.newInstance(argObjects);
- } catch (Exception e) {
- System.out.println("Warning: Java 2D API is not available");
- }
-
- // If we failed to create VncCanvas2D, use old VncCanvas.
- if (vc == null)
- vc = new VncCanvas(this, maxWidth, maxHeight);
- }
-
-
- //
- // Process RFB socket messages.
- // If the rfbThread is being stopped, ignore any exceptions,
- // otherwise rethrow the exception so it can be handled.
- //
-
- void processNormalProtocol() throws Exception {
- try {
- vc.processNormalProtocol();
- } catch (Exception e) {
- if (rfbThread == null) {
- System.out.println("Ignoring RFB socket exceptions" +
- " because applet is stopping");
- } else {
- throw e;
- }
- }
- }
-
-
- //
- // Connect to the RFB server and authenticate the user.
- //
-
- void connectAndAuthenticate() throws Exception
- {
- showConnectionStatus("Initializing...");
- if (inSeparateFrame) {
- vncFrame.pack();
- vncFrame.show();
- } else {
- validate();
- }
-
- showConnectionStatus("Connecting to " + host + ", port " + port + "...");
-
- rfb = new RfbProto(host, port, this);
- showConnectionStatus("Connected to server");
-
- rfb.readVersionMsg();
- showConnectionStatus("RFB server supports protocol version " +
- rfb.serverMajor + "." + rfb.serverMinor);
-
- rfb.writeVersionMsg();
- showConnectionStatus("Using RFB protocol version " +
- rfb.clientMajor + "." + rfb.clientMinor);
-
- int secType = rfb.negotiateSecurity();
- int authType;
- if (secType == RfbProto.SecTypeTight) {
- showConnectionStatus("Enabling TightVNC protocol extensions");
- rfb.setupTunneling();
- authType = rfb.negotiateAuthenticationTight();
- } else {
- authType = secType;
- }
-
- switch (authType) {
- case RfbProto.AuthNone:
- showConnectionStatus("No authentication needed");
- rfb.authenticateNone();
- break;
- case RfbProto.AuthVNC:
- showConnectionStatus("Performing standard VNC authentication");
- if (passwordParam != null) {
- rfb.authenticateVNC(passwordParam);
- } else {
- String pw = askPassword();
- rfb.authenticateVNC(pw);
- }
- break;
- default:
- throw new Exception("Unknown authentication scheme " + authType);
- }
- }
-
-
- //
- // Show a message describing the connection status.
- // To hide the connection status label, use (msg == null).
- //
-
- void showConnectionStatus(String msg)
- {
- if (msg == null) {
- if (vncContainer.isAncestorOf(connStatusLabel)) {
- vncContainer.remove(connStatusLabel);
- }
- return;
- }
-
- System.out.println(msg);
-
- if (connStatusLabel == null) {
- connStatusLabel = new Label("Status: " + msg);
- connStatusLabel.setFont(new Font("Helvetica", Font.PLAIN, 12));
- } else {
- connStatusLabel.setText("Status: " + msg);
- }
-
- if (!vncContainer.isAncestorOf(connStatusLabel)) {
- GridBagConstraints gbc = new GridBagConstraints();
- gbc.gridwidth = GridBagConstraints.REMAINDER;
- gbc.fill = GridBagConstraints.HORIZONTAL;
- gbc.anchor = GridBagConstraints.NORTHWEST;
- gbc.weightx = 1.0;
- gbc.weighty = 1.0;
- gbc.insets = new Insets(20, 30, 20, 30);
- gridbag.setConstraints(connStatusLabel, gbc);
- vncContainer.add(connStatusLabel);
- }
-
- if (inSeparateFrame) {
- vncFrame.pack();
- } else {
- validate();
- }
- }
-
-
- //
- // Show an authentication panel.
- //
-
- String askPassword() throws Exception
- {
- showConnectionStatus(null);
-
- AuthPanel authPanel = new AuthPanel(this);
-
- GridBagConstraints gbc = new GridBagConstraints();
- gbc.gridwidth = GridBagConstraints.REMAINDER;
- gbc.anchor = GridBagConstraints.NORTHWEST;
- gbc.weightx = 1.0;
- gbc.weighty = 1.0;
- gbc.ipadx = 100;
- gbc.ipady = 50;
- gridbag.setConstraints(authPanel, gbc);
- vncContainer.add(authPanel);
-
- if (inSeparateFrame) {
- vncFrame.pack();
- } else {
- validate();
- }
-
- authPanel.moveFocusToDefaultField();
- String pw = authPanel.getPassword();
- vncContainer.remove(authPanel);
-
- return pw;
- }
-
-
- //
- // Do the rest of the protocol initialisation.
- //
-
- void doProtocolInitialisation() throws IOException
- {
- rfb.writeClientInit();
- rfb.readServerInit();
-
- System.out.println("Desktop name is " + rfb.desktopName);
- System.out.println("Desktop size is " + rfb.framebufferWidth + " x " +
- rfb.framebufferHeight);
-
- setEncodings();
-
- showConnectionStatus(null);
- }
-
-
- //
- // Send current encoding list to the RFB server.
- //
-
- int[] encodingsSaved;
- int nEncodingsSaved;
-
- void setEncodings() { setEncodings(false); }
- void autoSelectEncodings() { setEncodings(true); }
-
- void setEncodings(boolean autoSelectOnly) {
- if (options == null || rfb == null || !rfb.inNormalProtocol)
- return;
-
- int preferredEncoding = options.preferredEncoding;
- if (preferredEncoding == -1) {
- long kbitsPerSecond = rfb.kbitsPerSecond();
- if (nEncodingsSaved < 1) {
- // Choose Tight or ZRLE encoding for the very first update.
- System.out.println("Using Tight/ZRLE encodings");
- preferredEncoding = RfbProto.EncodingTight;
- } else if (kbitsPerSecond > 2000 &&
- encodingsSaved[0] != RfbProto.EncodingHextile) {
- // Switch to Hextile if the connection speed is above 2Mbps.
- System.out.println("Throughput " + kbitsPerSecond +
- " kbit/s - changing to Hextile encoding");
- preferredEncoding = RfbProto.EncodingHextile;
- } else if (kbitsPerSecond < 1000 &&
- encodingsSaved[0] != RfbProto.EncodingTight) {
- // Switch to Tight/ZRLE if the connection speed is below 1Mbps.
- System.out.println("Throughput " + kbitsPerSecond +
- " kbit/s - changing to Tight/ZRLE encodings");
- preferredEncoding = RfbProto.EncodingTight;
- } else {
- // Don't change the encoder.
- if (autoSelectOnly)
- return;
- preferredEncoding = encodingsSaved[0];
- }
- } else {
- // Auto encoder selection is not enabled.
- if (autoSelectOnly)
- return;
- }
-
- int[] encodings = new int[20];
- int nEncodings = 0;
-
- encodings[nEncodings++] = preferredEncoding;
- if (options.useCopyRect) {
- encodings[nEncodings++] = RfbProto.EncodingCopyRect;
- }
-
- if (preferredEncoding != RfbProto.EncodingTight) {
- encodings[nEncodings++] = RfbProto.EncodingTight;
- }
- if (preferredEncoding != RfbProto.EncodingZRLE) {
- encodings[nEncodings++] = RfbProto.EncodingZRLE;
- }
- if (preferredEncoding != RfbProto.EncodingHextile) {
- encodings[nEncodings++] = RfbProto.EncodingHextile;
- }
- if (preferredEncoding != RfbProto.EncodingZlib) {
- encodings[nEncodings++] = RfbProto.EncodingZlib;
- }
- if (preferredEncoding != RfbProto.EncodingCoRRE) {
- encodings[nEncodings++] = RfbProto.EncodingCoRRE;
- }
- if (preferredEncoding != RfbProto.EncodingRRE) {
- encodings[nEncodings++] = RfbProto.EncodingRRE;
- }
-
- if (options.compressLevel >= 0 && options.compressLevel <= 9) {
- encodings[nEncodings++] =
- RfbProto.EncodingCompressLevel0 + options.compressLevel;
- }
- if (options.jpegQuality >= 0 && options.jpegQuality <= 9) {
- encodings[nEncodings++] =
- RfbProto.EncodingQualityLevel0 + options.jpegQuality;
- }
-
- if (options.requestCursorUpdates) {
- encodings[nEncodings++] = RfbProto.EncodingXCursor;
- encodings[nEncodings++] = RfbProto.EncodingRichCursor;
- if (!options.ignoreCursorUpdates)
- encodings[nEncodings++] = RfbProto.EncodingPointerPos;
- }
-
- encodings[nEncodings++] = RfbProto.EncodingLastRect;
- encodings[nEncodings++] = RfbProto.EncodingNewFBSize;
-
- boolean encodingsWereChanged = false;
- if (nEncodings != nEncodingsSaved) {
- encodingsWereChanged = true;
- } else {
- for (int i = 0; i < nEncodings; i++) {
- if (encodings[i] != encodingsSaved[i]) {
- encodingsWereChanged = true;
- break;
- }
- }
- }
-
- if (encodingsWereChanged) {
- try {
- rfb.writeSetEncodings(encodings, nEncodings);
- if (vc != null) {
- vc.softCursorFree();
- }
- } catch (Exception e) {
- e.printStackTrace();
- }
- encodingsSaved = encodings;
- nEncodingsSaved = nEncodings;
- }
- }
-
-
- //
- // setCutText() - send the given cut text to the RFB server.
- //
-
- void setCutText(String text) {
- try {
- if (rfb != null && rfb.inNormalProtocol) {
- rfb.writeClientCutText(text);
- }
- } catch (Exception e) {
- e.printStackTrace();
- }
- }
-
-
- //
- // Order change in session recording status. To stop recording, pass
- // null in place of the fname argument.
- //
-
- void setRecordingStatus(String fname) {
- synchronized(recordingSync) {
- sessionFileName = fname;
- recordingStatusChanged = true;
- }
- }
-
- //
- // Start or stop session recording. Returns true if this method call
- // causes recording of a new session.
- //
-
- boolean checkRecordingStatus() throws IOException {
- synchronized(recordingSync) {
- if (recordingStatusChanged) {
- recordingStatusChanged = false;
- if (sessionFileName != null) {
- startRecording();
- return true;
- } else {
- stopRecording();
- }
- }
- }
- return false;
- }
-
- //
- // Start session recording.
- //
-
- protected void startRecording() throws IOException {
- synchronized(recordingSync) {
- if (!recordingActive) {
- // Save settings to restore them after recording the session.
- cursorUpdatesDef =
- options.choices[options.cursorUpdatesIndex].getSelectedItem();
- eightBitColorsDef =
- options.choices[options.eightBitColorsIndex].getSelectedItem();
- // Set options to values suitable for recording.
- options.choices[options.cursorUpdatesIndex].select("Disable");
- options.choices[options.cursorUpdatesIndex].setEnabled(false);
- options.setEncodings();
- options.choices[options.eightBitColorsIndex].select("No");
- options.choices[options.eightBitColorsIndex].setEnabled(false);
- options.setColorFormat();
- } else {
- rfb.closeSession();
- }
-
- System.out.println("Recording the session in " + sessionFileName);
- rfb.startSession(sessionFileName);
- recordingActive = true;
- }
- }
-
- //
- // Stop session recording.
- //
-
- protected void stopRecording() throws IOException {
- synchronized(recordingSync) {
- if (recordingActive) {
- // Restore options.
- options.choices[options.cursorUpdatesIndex].select(cursorUpdatesDef);
- options.choices[options.cursorUpdatesIndex].setEnabled(true);
- options.setEncodings();
- options.choices[options.eightBitColorsIndex].select(eightBitColorsDef);
- options.choices[options.eightBitColorsIndex].setEnabled(true);
- options.setColorFormat();
-
- rfb.closeSession();
- System.out.println("Session recording stopped.");
- }
- sessionFileName = null;
- recordingActive = false;
- }
- }
-
-
- //
- // readParameters() - read parameters from the html source or from the
- // command line. On the command line, the arguments are just a sequence of
- // param_name/param_value pairs where the names and values correspond to
- // those expected in the html applet tag source.
- //
-
- void readParameters() {
- host = readParameter("HOST", !inAnApplet);
- if (host == null) {
- host = getCodeBase().getHost();
- if (host.equals("")) {
- fatalError("HOST parameter not specified");
- }
- }
-
- port = readIntParameter("PORT", 5900);
-
- // Read "ENCPASSWORD" or "PASSWORD" parameter if specified.
- readPasswordParameters();
-
- String str;
- if (inAnApplet) {
- str = readParameter("Open New Window", false);
- if (str != null && str.equalsIgnoreCase("Yes"))
- inSeparateFrame = true;
- }
-
- // "Show Controls" set to "No" disables button panel.
- showControls = true;
- str = readParameter("Show Controls", false);
- if (str != null && str.equalsIgnoreCase("No"))
- showControls = false;
-
- // "Offer Relogin" set to "No" disables "Login again" and "Close
- // window" buttons under error messages in applet mode.
- offerRelogin = true;
- str = readParameter("Offer Relogin", false);
- if (str != null && str.equalsIgnoreCase("No"))
- offerRelogin = false;
-
- // Do we continue showing desktop on remote disconnect?
- showOfflineDesktop = false;
- str = readParameter("Show Offline Desktop", false);
- if (str != null && str.equalsIgnoreCase("Yes"))
- showOfflineDesktop = true;
-
- // Fine tuning options.
- deferScreenUpdates = readIntParameter("Defer screen updates", 20);
- deferCursorUpdates = readIntParameter("Defer cursor updates", 10);
- deferUpdateRequests = readIntParameter("Defer update requests", 0);
-
- // Debugging options.
- debugStatsExcludeUpdates = readIntParameter("DEBUG_XU", 0);
- debugStatsMeasureUpdates = readIntParameter("DEBUG_CU", 0);
-
- // SocketFactory.
- socketFactory = readParameter("SocketFactory", false);
- }
-
- //
- // Read password parameters. If an "ENCPASSWORD" parameter is set,
- // then decrypt the password into the passwordParam string. Otherwise,
- // try to read the "PASSWORD" parameter directly to passwordParam.
- //
-
- private void readPasswordParameters() {
- String encPasswordParam = readParameter("ENCPASSWORD", false);
- if (encPasswordParam == null) {
- passwordParam = readParameter("PASSWORD", false);
- } else {
- // ENCPASSWORD is hexascii-encoded. Decode.
- byte[] pw = {0, 0, 0, 0, 0, 0, 0, 0};
- int len = encPasswordParam.length() / 2;
- if (len > 8)
- len = 8;
- for (int i = 0; i < len; i++) {
- String hex = encPasswordParam.substring(i*2, i*2+2);
- Integer x = new Integer(Integer.parseInt(hex, 16));
- pw[i] = x.byteValue();
- }
- // Decrypt the password.
- byte[] key = {23, 82, 107, 6, 35, 78, 88, 7};
- DesCipher des = new DesCipher(key);
- des.decrypt(pw, 0, pw, 0);
- passwordParam = new String(pw);
- }
- }
-
- public String readParameter(String name, boolean required) {
- if (inAnApplet) {
- String s = getParameter(name);
- if ((s == null) && required) {
- fatalError(name + " parameter not specified");
- }
- return s;
- }
-
- for (int i = 0; i < mainArgs.length; i += 2) {
- if (mainArgs[i].equalsIgnoreCase(name)) {
- try {
- return mainArgs[i+1];
- } catch (Exception e) {
- if (required) {
- fatalError(name + " parameter not specified");
- }
- return null;
- }
- }
- }
- if (required) {
- fatalError(name + " parameter not specified");
- }
- return null;
- }
-
- int readIntParameter(String name, int defaultValue) {
- String str = readParameter(name, false);
- int result = defaultValue;
- if (str != null) {
- try {
- result = Integer.parseInt(str);
- } catch (NumberFormatException e) { }
- }
- return result;
- }
-
- //
- // moveFocusToDesktop() - move keyboard focus either to VncCanvas.
- //
-
- void moveFocusToDesktop() {
- if (vncContainer != null) {
- if (vc != null && vncContainer.isAncestorOf(vc))
- vc.requestFocus();
- }
- }
-
- //
- // disconnect() - close connection to server.
- //
-
- synchronized public void disconnect() {
- System.out.println("Disconnecting");
-
- if (vc != null) {
- double sec = (System.currentTimeMillis() - vc.statStartTime) / 1000.0;
- double rate = Math.round(vc.statNumUpdates / sec * 100) / 100.0;
- int nRealRects = vc.statNumPixelRects;
- int nPseudoRects = vc.statNumTotalRects - vc.statNumPixelRects;
- System.out.println("Updates received: " + vc.statNumUpdates + " (" +
- nRealRects + " rectangles + " + nPseudoRects +
- " pseudo), " + rate + " updates/sec");
- int numRectsOther = nRealRects - vc.statNumRectsTight
- - vc.statNumRectsZRLE - vc.statNumRectsHextile
- - vc.statNumRectsRaw - vc.statNumRectsCopy;
- System.out.println("Rectangles:" +
- " Tight=" + vc.statNumRectsTight +
- "(JPEG=" + vc.statNumRectsTightJPEG +
- ") ZRLE=" + vc.statNumRectsZRLE +
- " Hextile=" + vc.statNumRectsHextile +
- " Raw=" + vc.statNumRectsRaw +
- " CopyRect=" + vc.statNumRectsCopy +
- " other=" + numRectsOther);
-
- int raw = vc.statNumBytesDecoded;
- int compressed = vc.statNumBytesEncoded;
- if (compressed > 0) {
- double ratio = Math.round((double)raw / compressed * 1000) / 1000.0;
- System.out.println("Pixel data: " + vc.statNumBytesDecoded +
- " bytes, " + vc.statNumBytesEncoded +
- " compressed, ratio " + ratio);
- }
- }
-
- if (rfb != null && !rfb.closed())
- rfb.close();
- options.dispose();
- clipboard.dispose();
- if (rec != null)
- rec.dispose();
-
- if (inAnApplet) {
- showMessage("Disconnected");
- } else {
- System.exit(0);
- }
- }
-
- //
- // fatalError() - print out a fatal error message.
- // FIXME: Do we really need two versions of the fatalError() method?
- //
-
- synchronized public void fatalError(String str) {
- System.out.println(str);
-
- if (inAnApplet) {
- // vncContainer null, applet not inited,
- // can not present the error to the user.
- Thread.currentThread().stop();
- } else {
- System.exit(1);
- }
- }
-
- synchronized public void fatalError(String str, Exception e) {
-
- if (rfb != null && rfb.closed()) {
- // Not necessary to show error message if the error was caused
- // by I/O problems after the rfb.close() method call.
- System.out.println("RFB thread finished");
- return;
- }
-
- System.out.println(str);
- e.printStackTrace();
-
- if (rfb != null)
- rfb.close();
-
- if (inAnApplet) {
- showMessage(str);
- } else {
- System.exit(1);
- }
- }
-
- //
- // Show message text and optionally "Relogin" and "Close" buttons.
- //
-
- void showMessage(String msg) {
- vncContainer.removeAll();
-
- Label errLabel = new Label(msg, Label.CENTER);
- errLabel.setFont(new Font("Helvetica", Font.PLAIN, 12));
-
- if (offerRelogin) {
-
- Panel gridPanel = new Panel(new GridLayout(0, 1));
- Panel outerPanel = new Panel(new FlowLayout(FlowLayout.LEFT));
- outerPanel.add(gridPanel);
- vncContainer.setLayout(new FlowLayout(FlowLayout.LEFT, 30, 16));
- vncContainer.add(outerPanel);
- Panel textPanel = new Panel(new FlowLayout(FlowLayout.CENTER));
- textPanel.add(errLabel);
- gridPanel.add(textPanel);
- gridPanel.add(new ReloginPanel(this));
-
- } else {
-
- vncContainer.setLayout(new FlowLayout(FlowLayout.LEFT, 30, 30));
- vncContainer.add(errLabel);
-
- }
-
- if (inSeparateFrame) {
- vncFrame.pack();
- } else {
- validate();
- }
- }
-
- //
- // Stop the applet.
- // Main applet thread will terminate on first exception
- // after seeing that rfbThread has been set to null.
- //
-
- public void stop() {
- System.out.println("Stopping applet");
- rfbThread = null;
- }
-
- //
- // This method is called before the applet is destroyed.
- //
-
- public void destroy() {
- System.out.println("Destroying applet");
-
- vncContainer.removeAll();
- options.dispose();
- clipboard.dispose();
- if (rec != null)
- rec.dispose();
- if (rfb != null && !rfb.closed())
- rfb.close();
- if (inSeparateFrame)
- vncFrame.dispose();
- }
-
- //
- // Start/stop receiving mouse events.
- //
-
- public void enableInput(boolean enable) {
- vc.enableInput(enable);
- }
-
- //
- // Close application properly on window close event.
- //
-
- public void windowClosing(WindowEvent evt) {
- System.out.println("Closing window");
- if (rfb != null)
- disconnect();
-
- vncContainer.hide();
-
- if (!inAnApplet) {
- System.exit(0);
- }
- }
-
- //
- // Ignore window events we're not interested in.
- //
-
- public void windowActivated(WindowEvent evt) {}
- public void windowDeactivated (WindowEvent evt) {}
- public void windowOpened(WindowEvent evt) {}
- public void windowClosed(WindowEvent evt) {}
- public void windowIconified(WindowEvent evt) {}
- public void windowDeiconified(WindowEvent evt) {}
- }
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