Mercurial > 510Connectbot
annotate src/com/five_ten_sg/connectbot/service/TerminalBridge.java @ 415:885f2bca6032
avoid null pointer
| author | Carl Byington <carl@five-ten-sg.com> |
|---|---|
| date | Mon, 27 Oct 2014 13:55:13 -0700 |
| parents | 071eccdff8ea |
| children | 651aff5a46c7 |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 2 * ConnectBot: simple, powerful, open-source SSH client for Android | |
| 3 * Copyright 2007 Kenny Root, Jeffrey Sharkey | |
| 4 * | |
| 5 * Licensed under the Apache License, Version 2.0 (the "License"); | |
| 6 * you may not use this file except in compliance with the License. | |
| 7 * You may obtain a copy of the License at | |
| 8 * | |
| 9 * http://www.apache.org/licenses/LICENSE-2.0 | |
| 10 * | |
| 11 * Unless required by applicable law or agreed to in writing, software | |
| 12 * distributed under the License is distributed on an "AS IS" BASIS, | |
| 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
| 14 * See the License for the specific language governing permissions and | |
| 15 * limitations under the License. | |
| 16 */ | |
| 17 | |
| 18 package com.five_ten_sg.connectbot.service; | |
| 19 | |
| 20 import java.io.File; | |
| 21 import java.io.FileOutputStream; | |
| 22 import java.io.IOException; | |
| 23 import java.nio.charset.Charset; | |
| 24 import java.text.SimpleDateFormat; | |
| 25 import java.util.Date; | |
| 178 | 26 import java.util.HashMap; |
| 0 | 27 import java.util.LinkedHashSet; |
| 28 import java.util.LinkedList; | |
| 29 import java.util.List; | |
| 30 import java.util.Set; | |
| 31 import java.util.regex.Matcher; | |
| 32 import java.util.regex.Pattern; | |
| 33 | |
| 34 import com.five_ten_sg.connectbot.R; | |
| 35 import com.five_ten_sg.connectbot.TerminalView; | |
| 36 import com.five_ten_sg.connectbot.bean.HostBean; | |
| 37 import com.five_ten_sg.connectbot.bean.PortForwardBean; | |
| 38 import com.five_ten_sg.connectbot.bean.SelectionArea; | |
| 39 import com.five_ten_sg.connectbot.transport.AbsTransport; | |
| 40 import com.five_ten_sg.connectbot.transport.TransportFactory; | |
| 41 import com.five_ten_sg.connectbot.util.HostDatabase; | |
| 42 import com.five_ten_sg.connectbot.util.PreferenceConstants; | |
|
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43 import com.five_ten_sg.connectbot.util.StringPickerDialog; |
| 0 | 44 import android.app.AlertDialog; |
| 45 import android.content.Context; | |
| 46 import android.graphics.Bitmap; | |
| 47 import android.graphics.Bitmap.Config; | |
| 48 import android.graphics.Canvas; | |
| 49 import android.graphics.Color; | |
| 50 import android.graphics.Paint; | |
| 51 import android.graphics.Paint.FontMetrics; | |
| 52 import android.graphics.Typeface; | |
| 53 import android.os.Binder; | |
| 54 import android.os.Environment; | |
| 55 import android.text.ClipboardManager; | |
| 56 import android.text.Editable; | |
| 57 import android.text.method.CharacterPickerDialog; | |
| 58 import android.util.FloatMath; | |
| 59 import android.util.Log; | |
| 60 import android.view.KeyEvent; | |
| 61 import android.view.View; | |
| 62 import android.widget.AdapterView; | |
| 63 import android.widget.Button; | |
| 64 import de.mud.terminal.VDUBuffer; | |
| 65 import de.mud.terminal.VDUDisplay; | |
| 66 import de.mud.terminal.vt320; | |
| 67 | |
| 68 | |
| 69 /** | |
| 70 * Provides a bridge between a MUD terminal buffer and a possible TerminalView. | |
| 71 * This separation allows us to keep the TerminalBridge running in a background | |
| 72 * service. A TerminalView shares down a bitmap that we can use for rendering | |
| 73 * when available. | |
| 74 * | |
| 75 * This class also provides SSH hostkey verification prompting, and password | |
| 76 * prompting. | |
| 77 */ | |
| 78 @SuppressWarnings("deprecation") // for ClipboardManager | |
| 79 public class TerminalBridge implements VDUDisplay { | |
| 80 public final static String TAG = "ConnectBot.TerminalBridge"; | |
| 81 | |
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82 private final static float FONT_SIZE_FACTOR = 1.1f; |
| 0 | 83 |
| 84 public Integer[] color; | |
| 85 | |
| 86 public int defaultFg = HostDatabase.DEFAULT_FG_COLOR; | |
| 87 public int defaultBg = HostDatabase.DEFAULT_BG_COLOR; | |
| 88 | |
| 89 protected final TerminalManager manager; | |
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90 public final HostBean host; |
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91 public final String homeDirectory; |
| 0 | 92 |
| 93 AbsTransport transport; | |
| 94 | |
| 95 final Paint defaultPaint; | |
| 96 | |
| 97 private Relay relay; | |
| 98 | |
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99 private String emulation; // aka answerback string, aka terminal type |
| 0 | 100 |
| 101 public Bitmap bitmap = null; | |
| 102 public vt320 buffer = null; | |
| 103 | |
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104 public TerminalView parent = null; |
| 0 | 105 private final Canvas canvas = new Canvas(); |
| 106 | |
| 107 private boolean disconnected = false; | |
| 108 private boolean awaitingClose = false; | |
| 109 | |
| 110 private boolean forcedSize = false; | |
| 111 private int columns; | |
| 112 private int rows; | |
| 113 | |
| 114 public TerminalMonitor monitor = null; | |
| 115 private TerminalKeyListener keyListener = null; | |
| 116 | |
| 117 private boolean selectingForCopy = false; | |
| 118 private final SelectionArea selectionArea; | |
| 119 | |
| 120 // TODO add support for the new clipboard API | |
| 121 private ClipboardManager clipboard; | |
| 122 | |
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123 public int charWidth = -1; |
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124 public int charHeight = -1; |
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125 private int charTop = -1; |
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126 private float fontSize = -1; |
| 0 | 127 |
| 128 private final List<FontSizeChangedListener> fontSizeChangedListeners; | |
| 129 | |
| 130 private final List<String> localOutput; | |
| 131 | |
| 132 /** | |
| 133 * Flag indicating if we should perform a full-screen redraw during our next | |
| 134 * rendering pass. | |
| 135 */ | |
| 136 private boolean fullRedraw = false; | |
| 137 | |
| 138 public PromptHelper promptHelper; | |
| 139 | |
| 140 protected BridgeDisconnectedListener disconnectListener = null; | |
| 141 | |
| 142 /** | |
| 143 * Create a new terminal bridge suitable for unit testing. | |
| 144 */ | |
| 145 public TerminalBridge() { | |
| 146 buffer = new vt320() { | |
| 147 @Override | |
| 148 public void write(byte[] b) {} | |
| 149 @Override | |
| 150 public void write(int b) {} | |
| 151 @Override | |
| 152 public void sendTelnetCommand(byte cmd) {} | |
| 153 @Override | |
| 154 public void setWindowSize(int c, int r) {} | |
| 155 @Override | |
| 156 public void debug(String s) {} | |
| 157 }; | |
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158 emulation = null; |
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159 manager = null; |
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160 host = null; |
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161 homeDirectory = null; |
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162 defaultPaint = new Paint(); |
| 0 | 163 selectionArea = new SelectionArea(); |
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164 localOutput = new LinkedList<String>(); |
| 0 | 165 fontSizeChangedListeners = new LinkedList<FontSizeChangedListener>(); |
| 166 transport = null; | |
| 167 keyListener = new TerminalKeyListener(manager, this, buffer, null); | |
| 168 monitor = null; | |
| 169 } | |
| 170 | |
| 171 /** | |
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172 * Create new terminal bridge with following parameters. |
| 0 | 173 */ |
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174 public TerminalBridge(final TerminalManager manager, final HostBean host, final String homeDirectory) throws IOException { |
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175 this.manager = manager; |
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176 this.host = host; |
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177 this.homeDirectory = homeDirectory; |
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178 emulation = host.getHostEmulation(); |
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179 |
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180 if ((emulation == null) || (emulation.length() == 0)) emulation = manager.getEmulation(); |
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181 |
| 0 | 182 // create prompt helper to relay password and hostkey requests up to gui |
| 183 promptHelper = new PromptHelper(this); | |
| 184 // create our default paint | |
| 185 defaultPaint = new Paint(); | |
| 186 defaultPaint.setAntiAlias(true); | |
| 187 defaultPaint.setTypeface(Typeface.MONOSPACE); | |
| 188 defaultPaint.setFakeBoldText(true); // more readable? | |
| 189 localOutput = new LinkedList<String>(); | |
| 190 fontSizeChangedListeners = new LinkedList<FontSizeChangedListener>(); | |
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191 setMyFontSize(); |
| 0 | 192 resetColors(); |
| 193 selectionArea = new SelectionArea(); | |
| 194 } | |
| 195 | |
| 196 public PromptHelper getPromptHelper() { | |
| 197 return promptHelper; | |
| 198 } | |
| 199 | |
| 200 /** | |
| 201 * Spawn thread to open connection and start login process. | |
| 202 */ | |
| 203 protected void startConnection() { | |
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204 transport = TransportFactory.getTransport(host.getProtocol()); |
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205 transport.setLinks(manager, this, homeDirectory, host, emulation); |
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206 buffer = transport.getTransportBuffer(); |
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207 keyListener = transport.getTerminalKeyListener(); |
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208 String monitor_init = host.getMonitor(); |
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209 |
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210 if ((monitor_init != null) && (monitor_init.length() > 0)) { |
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211 monitor = new TerminalMonitor(manager, buffer, parent, host, monitor_init); |
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212 } |
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213 |
| 0 | 214 transport.setCompression(host.getCompression()); |
| 215 transport.setHttpproxy(host.getHttpproxy()); | |
| 216 transport.setUseAuthAgent(host.getUseAuthAgent()); | |
| 217 | |
| 218 if (transport.canForwardPorts()) { | |
| 219 for (PortForwardBean portForward : manager.hostdb.getPortForwardsForHost(host)) | |
| 220 transport.addPortForward(portForward); | |
| 221 } | |
| 222 | |
| 223 outputLine(manager.res.getString(R.string.terminal_connecting, host.getHostname(), host.getPort(), host.getProtocol())); | |
| 224 Thread connectionThread = new Thread(new Runnable() { | |
| 225 public void run() { | |
| 226 transport.connect(); | |
| 227 } | |
| 228 }); | |
| 229 connectionThread.setName("Connection"); | |
| 230 connectionThread.setDaemon(true); | |
| 231 connectionThread.start(); | |
| 232 } | |
| 233 | |
| 234 /** | |
| 235 * Handle challenges from keyboard-interactive authentication mode. | |
| 236 */ | |
| 237 public String[] replyToChallenge(String name, String instruction, int numPrompts, String[] prompt, boolean[] echo) { | |
| 238 String[] responses = new String[numPrompts]; | |
| 239 | |
| 240 for (int i = 0; i < numPrompts; i++) { | |
| 241 // request response from user for each prompt | |
| 242 responses[i] = promptHelper.requestPasswordPrompt(instruction, prompt[i]); | |
| 243 } | |
| 244 | |
| 245 return responses; | |
| 246 } | |
| 247 | |
| 248 /** | |
| 249 * @return charset in use by bridge | |
| 250 */ | |
| 251 public Charset getCharset() { | |
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252 if (relay != null) return relay.getCharset(); |
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253 |
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254 return keyListener.getCharset(); |
| 0 | 255 } |
| 256 | |
| 257 /** | |
| 258 * Sets the encoding used by the terminal. If the connection is live, | |
| 259 * then the character set is changed for the next read. | |
| 260 * @param encoding the canonical name of the character encoding | |
| 261 */ | |
| 262 public void setCharset(String encoding) { | |
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263 if (relay != null) relay.setCharset(encoding); |
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264 |
| 0 | 265 keyListener.setCharset(encoding); |
| 266 } | |
| 267 | |
| 268 /** | |
| 269 * Convenience method for writing a line into the underlying MUD buffer. | |
| 270 * Should never be called once the session is established. | |
| 271 */ | |
| 272 public final void outputLine(String line) { | |
| 273 if (transport != null && transport.isSessionOpen()) | |
| 274 Log.e(TAG, "Session established, cannot use outputLine!", new IOException("outputLine call traceback")); | |
| 275 | |
| 276 synchronized (localOutput) { | |
| 277 final String s = line + "\r\n"; | |
| 278 localOutput.add(s); | |
| 279 buffer.putString(s); | |
| 280 // For accessibility | |
| 281 final char[] charArray = s.toCharArray(); | |
| 282 propagateConsoleText(charArray, charArray.length); | |
| 283 } | |
| 284 } | |
| 285 | |
| 286 /** | |
| 287 * Inject a specific string into this terminal. Used for post-login strings | |
| 288 * and pasting clipboard. | |
| 289 */ | |
| 290 public void injectString(final String string) { | |
| 291 if (string == null || string.length() == 0) | |
| 292 return; | |
| 293 | |
| 294 Thread injectStringThread = new Thread(new Runnable() { | |
| 295 public void run() { | |
| 296 try { | |
| 297 transport.write(string.getBytes(host.getEncoding())); | |
| 298 } | |
| 299 catch (Exception e) { | |
| 300 Log.e(TAG, "Couldn't inject string to remote host: ", e); | |
| 301 } | |
| 302 } | |
| 303 }); | |
| 304 injectStringThread.setName("InjectString"); | |
| 305 injectStringThread.start(); | |
| 306 } | |
| 307 | |
| 308 /** | |
| 309 * Internal method to request actual PTY terminal once we've finished | |
| 310 * authentication. If called before authenticated, it will just fail. | |
| 311 */ | |
| 312 public void onConnected() { | |
| 313 disconnected = false; | |
| 314 buffer.reset(); | |
| 315 buffer.setAnswerBack(emulation); | |
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316 localOutput.clear(); // We no longer need our local output. |
| 0 | 317 |
| 318 if (HostDatabase.DELKEY_BACKSPACE.equals(host.getDelKey())) | |
| 319 buffer.setBackspace(vt320.DELETE_IS_BACKSPACE); | |
| 320 else | |
| 321 buffer.setBackspace(vt320.DELETE_IS_DEL); | |
| 322 | |
| 323 // create thread to relay incoming connection data to buffer | |
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324 // only if needed by the transport |
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325 if (transport.needsRelay()) { |
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326 relay = new Relay(this, transport, buffer, host.getEncoding()); |
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327 Thread relayThread = new Thread(relay); |
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328 relayThread.setDaemon(true); |
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329 relayThread.setName("Relay"); |
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330 relayThread.start(); |
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331 } |
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332 |
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333 // get proper font size |
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334 setMyFontSize(); |
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335 // finally send any post-login string, if requested |
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336 injectString(host.getPostLogin()); |
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337 } |
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338 |
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339 private void setMyFontSize() { |
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340 if ((parent != null) && (host.getFixedSize())) { |
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341 resizeComputed(host.getFixedWidth(), host.getFixedHeight(), parent.getWidth(), parent.getHeight()); |
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342 } |
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343 else { |
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344 setFontSize(host.getFontSize()); |
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345 } |
| 0 | 346 } |
| 347 | |
| 348 /** | |
| 349 * @return whether a session is open or not | |
| 350 */ | |
| 351 public boolean isSessionOpen() { | |
| 352 if (transport != null) return transport.isSessionOpen(); | |
| 353 | |
| 354 return false; | |
| 355 } | |
| 356 | |
| 357 public void setOnDisconnectedListener(BridgeDisconnectedListener disconnectListener) { | |
| 358 this.disconnectListener = disconnectListener; | |
| 359 } | |
| 360 | |
| 361 /** | |
| 362 * Force disconnection of this terminal bridge. | |
| 363 */ | |
| 364 public void dispatchDisconnect(boolean immediate) { | |
| 365 // We don't need to do this multiple times. | |
| 366 synchronized (this) { | |
| 367 if (disconnected && !immediate) return; | |
| 368 | |
| 369 disconnected = true; | |
| 370 } | |
| 371 | |
| 372 // Cancel any pending prompts. | |
| 373 promptHelper.cancelPrompt(); | |
| 374 // disconnection request hangs if we havent really connected to a host yet | |
| 375 // temporary fix is to just spawn disconnection into a thread | |
| 376 Thread disconnectThread = new Thread(new Runnable() { | |
| 377 public void run() { | |
| 378 if (transport != null && transport.isConnected()) | |
| 379 transport.close(); | |
| 380 } | |
| 381 }); | |
| 382 disconnectThread.setName("Disconnect"); | |
| 383 disconnectThread.start(); | |
| 384 | |
| 385 if (immediate) { | |
| 386 awaitingClose = true; | |
| 387 | |
| 388 if (disconnectListener != null) | |
| 389 disconnectListener.onDisconnected(TerminalBridge.this); | |
| 390 } | |
| 391 else { | |
| 392 final String line = manager.res.getString(R.string.alert_disconnect_msg); | |
| 393 buffer.putString("\r\n" + line + "\r\n"); | |
| 394 | |
| 395 if (host.getStayConnected()) { | |
| 396 manager.requestReconnect(this); | |
| 397 return; | |
| 398 } | |
| 399 | |
| 400 Thread disconnectPromptThread = new Thread(new Runnable() { | |
| 401 public void run() { | |
| 402 Boolean result = promptHelper.requestBooleanPrompt(null, | |
| 403 manager.res.getString(R.string.prompt_host_disconnected)); | |
| 404 | |
| 405 if (result == null || result.booleanValue()) { | |
| 406 awaitingClose = true; | |
| 407 | |
| 408 // Tell the TerminalManager that we can be destroyed now. | |
| 409 if (disconnectListener != null) | |
| 410 disconnectListener.onDisconnected(TerminalBridge.this); | |
| 411 } | |
| 412 } | |
| 413 }); | |
| 414 disconnectPromptThread.setName("DisconnectPrompt"); | |
| 415 disconnectPromptThread.setDaemon(true); | |
| 416 disconnectPromptThread.start(); | |
| 417 } | |
| 418 | |
| 419 // close the monitor | |
| 420 if (monitor != null) monitor.Disconnect(); | |
|
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421 |
| 0 | 422 monitor = null; |
| 423 } | |
| 424 | |
| 425 public void setSelectingForCopy(boolean selectingForCopy) { | |
| 426 this.selectingForCopy = selectingForCopy; | |
| 427 } | |
| 428 | |
| 429 public boolean isSelectingForCopy() { | |
| 430 return selectingForCopy; | |
| 431 } | |
| 432 | |
| 433 public SelectionArea getSelectionArea() { | |
| 434 return selectionArea; | |
| 435 } | |
| 436 | |
| 437 public synchronized void tryKeyVibrate() { | |
| 438 manager.tryKeyVibrate(); | |
| 439 } | |
| 440 | |
| 441 /** | |
| 442 * Request a different font size. Will make call to parentChanged() to make | |
| 443 * sure we resize PTY if needed. | |
| 444 */ | |
|
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445 final void setFontSize(float size) { |
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446 if (size <= 0.0) size = 12.0f; |
| 307 | 447 |
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448 size = (float)(int)((size * 10.0f) + 0.5f) / 10.0f; |
| 0 | 449 defaultPaint.setTextSize(size); |
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450 fontSize = size; |
| 0 | 451 // read new metrics to get exact pixel dimensions |
| 452 FontMetrics fm = defaultPaint.getFontMetrics(); | |
| 453 charTop = (int)FloatMath.ceil(fm.top); | |
| 454 float[] widths = new float[1]; | |
| 455 defaultPaint.getTextWidths("X", widths); | |
| 456 charWidth = (int)FloatMath.ceil(widths[0]); | |
| 457 charHeight = (int)FloatMath.ceil(fm.descent - fm.top); | |
| 458 | |
| 459 // refresh any bitmap with new font size | |
|
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460 if (parent != null) parentChanged(parent); |
| 0 | 461 |
| 462 for (FontSizeChangedListener ofscl : fontSizeChangedListeners) | |
| 463 ofscl.onFontSizeChanged(size); | |
| 464 | |
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465 host.setFontSize(size); |
| 0 | 466 manager.hostdb.updateFontSize(host); |
| 467 } | |
| 468 | |
| 469 /** | |
| 470 * Add an {@link FontSizeChangedListener} to the list of listeners for this | |
| 471 * bridge. | |
| 472 * | |
| 473 * @param listener | |
| 474 * listener to add | |
| 475 */ | |
| 476 public void addFontSizeChangedListener(FontSizeChangedListener listener) { | |
| 477 fontSizeChangedListeners.add(listener); | |
| 478 } | |
| 479 | |
| 480 /** | |
| 481 * Remove an {@link FontSizeChangedListener} from the list of listeners for | |
| 482 * this bridge. | |
| 483 * | |
| 484 * @param listener | |
| 485 */ | |
| 486 public void removeFontSizeChangedListener(FontSizeChangedListener listener) { | |
| 487 fontSizeChangedListeners.remove(listener); | |
| 488 } | |
| 489 | |
| 490 /** | |
| 491 * Something changed in our parent {@link TerminalView}, maybe it's a new | |
| 492 * parent, or maybe it's an updated font size. We should recalculate | |
| 493 * terminal size information and request a PTY resize. | |
| 494 */ | |
| 495 | |
| 496 public final synchronized void parentChanged(TerminalView parent) { | |
| 497 if (manager != null && !manager.isResizeAllowed()) { | |
| 498 Log.d(TAG, "Resize is not allowed now"); | |
| 499 return; | |
| 500 } | |
| 501 | |
| 502 this.parent = parent; | |
| 503 final int width = parent.getWidth(); | |
| 504 final int height = parent.getHeight(); | |
| 505 | |
| 506 // Something has gone wrong with our layout; we're 0 width or height! | |
| 507 if (width <= 0 || height <= 0) | |
| 508 return; | |
| 509 | |
| 510 clipboard = (ClipboardManager) parent.getContext().getSystemService(Context.CLIPBOARD_SERVICE); | |
| 511 keyListener.setClipboardManager(clipboard); | |
| 512 | |
| 513 if (!forcedSize) { | |
| 514 // recalculate buffer size | |
| 515 int newColumns, newRows; | |
| 516 newColumns = width / charWidth; | |
| 517 newRows = height / charHeight; | |
| 518 | |
| 519 // If nothing has changed in the terminal dimensions and not an intial | |
| 520 // draw then don't blow away scroll regions and such. | |
| 521 if (newColumns == columns && newRows == rows) | |
| 522 return; | |
| 523 | |
| 524 columns = newColumns; | |
| 525 rows = newRows; | |
| 526 } | |
| 527 | |
| 528 // reallocate new bitmap if needed | |
| 529 boolean newBitmap = (bitmap == null); | |
| 530 | |
| 531 if (bitmap != null) | |
| 532 newBitmap = (bitmap.getWidth() != width || bitmap.getHeight() != height); | |
| 533 | |
| 534 if (newBitmap) { | |
| 535 discardBitmap(); | |
| 536 bitmap = Bitmap.createBitmap(width, height, Config.ARGB_8888); | |
| 537 canvas.setBitmap(bitmap); | |
| 538 } | |
| 539 | |
| 540 // clear out any old buffer information | |
| 541 defaultPaint.setColor(Color.BLACK); | |
| 542 canvas.drawPaint(defaultPaint); | |
| 543 | |
| 544 // Stroke the border of the terminal if the size is being forced; | |
| 545 if (forcedSize) { | |
| 546 int borderX = (columns * charWidth) + 1; | |
| 547 int borderY = (rows * charHeight) + 1; | |
| 548 defaultPaint.setColor(Color.GRAY); | |
| 549 defaultPaint.setStrokeWidth(0.0f); | |
| 550 | |
| 551 if (width >= borderX) | |
| 552 canvas.drawLine(borderX, 0, borderX, borderY + 1, defaultPaint); | |
| 553 | |
| 554 if (height >= borderY) | |
| 555 canvas.drawLine(0, borderY, borderX + 1, borderY, defaultPaint); | |
| 556 } | |
| 557 | |
| 558 try { | |
| 559 // request a terminal pty resize | |
|
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560 if (buffer != null) { |
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561 synchronized (buffer) { |
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562 buffer.setScreenSize(columns, rows, true); |
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563 } |
| 0 | 564 } |
| 565 | |
| 566 if (transport != null) | |
| 567 transport.setDimensions(columns, rows, width, height); | |
| 568 } | |
| 569 catch (Exception e) { | |
| 570 Log.e(TAG, "Problem while trying to resize screen or PTY", e); | |
| 571 } | |
| 572 | |
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573 // redraw local output if we don't have a session to receive our resize request |
| 0 | 574 if (transport == null) { |
| 575 synchronized (localOutput) { | |
| 576 buffer.reset(); | |
| 577 | |
| 578 for (String line : localOutput) | |
| 579 buffer.putString(line); | |
| 580 } | |
| 581 } | |
| 582 | |
| 583 // force full redraw with new buffer size | |
| 584 fullRedraw = true; | |
| 585 redraw(); | |
|
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586 |
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587 // initial sequence from |
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588 // transport.connect() |
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589 // bridge.onConnected() |
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590 // bridge.setMyFontSize() |
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591 // bridge.resizeComputed() |
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592 // bridge.setFontSize() |
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593 // bridge.parentChanged() here is on the wrong thread |
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594 try { |
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595 parent.notifyUser(String.format("%d x %d", columns, rows)); |
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596 } |
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597 catch (Exception e) { |
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598 Log.e(TAG, "Problem while trying to notify user", e); |
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599 } |
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600 |
| 0 | 601 Log.i(TAG, String.format("parentChanged() now width=%d, height=%d", columns, rows)); |
| 602 } | |
| 603 | |
| 604 /** | |
| 605 * Somehow our parent {@link TerminalView} was destroyed. Now we don't need | |
| 606 * to redraw anywhere, and we can recycle our internal bitmap. | |
| 607 */ | |
| 608 | |
| 609 public synchronized void parentDestroyed() { | |
| 610 parent = null; | |
| 611 discardBitmap(); | |
| 612 } | |
| 613 | |
| 614 private void discardBitmap() { | |
| 615 if (bitmap != null) | |
| 616 bitmap.recycle(); | |
| 617 | |
| 618 bitmap = null; | |
| 619 } | |
| 620 | |
| 621 public void propagateConsoleText(char[] rawText, int length) { | |
| 622 if (parent != null) { | |
| 623 parent.propagateConsoleText(rawText, length); | |
| 624 } | |
| 625 } | |
| 626 | |
| 627 public void onDraw() { | |
| 628 int fg, bg; | |
| 629 | |
| 630 synchronized (buffer) { | |
| 631 boolean entireDirty = buffer.update[0] || fullRedraw; | |
| 632 boolean isWideCharacter = false; | |
| 633 | |
| 634 // walk through all lines in the buffer | |
| 635 for (int l = 0; l < buffer.height; l++) { | |
| 636 // check if this line is dirty and needs to be repainted | |
| 637 // also check for entire-buffer dirty flags | |
| 638 if (!entireDirty && !buffer.update[l + 1]) continue; | |
| 639 | |
| 640 // reset dirty flag for this line | |
| 641 buffer.update[l + 1] = false; | |
| 642 | |
| 643 // walk through all characters in this line | |
| 644 for (int c = 0; c < buffer.width; c++) { | |
| 645 int addr = 0; | |
| 646 int currAttr = buffer.charAttributes[buffer.windowBase + l][c]; | |
| 647 { | |
| 648 int fgcolor = defaultFg; | |
| 649 | |
| 650 // check if foreground color attribute is set | |
| 651 if ((currAttr & VDUBuffer.COLOR_FG) != 0) | |
| 652 fgcolor = ((currAttr & VDUBuffer.COLOR_FG) >> VDUBuffer.COLOR_FG_SHIFT) - 1; | |
| 653 | |
| 654 if (fgcolor < 8 && (currAttr & VDUBuffer.BOLD) != 0) | |
| 655 fg = color[fgcolor + 8]; | |
| 656 else | |
| 657 fg = color[fgcolor]; | |
| 658 } | |
| 659 | |
| 660 // check if background color attribute is set | |
| 661 if ((currAttr & VDUBuffer.COLOR_BG) != 0) | |
| 662 bg = color[((currAttr & VDUBuffer.COLOR_BG) >> VDUBuffer.COLOR_BG_SHIFT) - 1]; | |
| 663 else | |
| 664 bg = color[defaultBg]; | |
| 665 | |
| 666 // support character inversion by swapping background and foreground color | |
| 667 if ((currAttr & VDUBuffer.INVERT) != 0) { | |
| 668 int swapc = bg; | |
| 669 bg = fg; | |
| 670 fg = swapc; | |
| 671 } | |
| 672 | |
| 673 // set underlined attributes if requested | |
| 674 defaultPaint.setUnderlineText((currAttr & VDUBuffer.UNDERLINE) != 0); | |
| 675 isWideCharacter = (currAttr & VDUBuffer.FULLWIDTH) != 0; | |
| 676 | |
| 677 if (isWideCharacter) | |
| 678 addr++; | |
| 679 else { | |
| 680 // determine the amount of continuous characters with the same settings and print them all at once | |
| 681 while (c + addr < buffer.width | |
| 682 && buffer.charAttributes[buffer.windowBase + l][c + addr] == currAttr) { | |
| 683 addr++; | |
| 684 } | |
| 685 } | |
| 686 | |
| 687 // Save the current clip region | |
| 688 canvas.save(Canvas.CLIP_SAVE_FLAG); | |
| 689 // clear this dirty area with background color | |
| 690 defaultPaint.setColor(bg); | |
| 691 | |
| 692 if (isWideCharacter) { | |
| 693 canvas.clipRect(c * charWidth, | |
| 694 l * charHeight, | |
| 695 (c + 2) * charWidth, | |
| 696 (l + 1) * charHeight); | |
| 697 } | |
| 698 else { | |
| 699 canvas.clipRect(c * charWidth, | |
| 700 l * charHeight, | |
| 701 (c + addr) * charWidth, | |
| 702 (l + 1) * charHeight); | |
| 703 } | |
| 704 | |
| 705 canvas.drawPaint(defaultPaint); | |
| 706 // write the text string starting at 'c' for 'addr' number of characters | |
| 707 defaultPaint.setColor(fg); | |
| 708 | |
| 709 if ((currAttr & VDUBuffer.INVISIBLE) == 0) | |
| 710 canvas.drawText(buffer.charArray[buffer.windowBase + l], c, | |
| 711 addr, c * charWidth, (l * charHeight) - charTop, | |
| 712 defaultPaint); | |
| 713 | |
| 714 // Restore the previous clip region | |
| 715 canvas.restore(); | |
| 716 // advance to the next text block with different characteristics | |
| 717 c += addr - 1; | |
| 718 | |
| 719 if (isWideCharacter) | |
| 720 c++; | |
| 721 } | |
| 722 } | |
| 723 | |
| 724 // reset entire-buffer flags | |
| 725 buffer.update[0] = false; | |
| 726 } | |
| 727 | |
| 728 fullRedraw = false; | |
| 729 } | |
| 730 | |
| 731 public void redraw() { | |
| 732 if (parent != null) | |
| 733 parent.postInvalidate(); | |
| 734 } | |
| 735 | |
| 736 // We don't have a scroll bar. | |
| 737 public void updateScrollBar() { | |
| 738 } | |
| 739 | |
| 740 /** | |
| 741 * Resize terminal to fit [rows]x[cols] in screen of size [width]x[height] | |
| 742 * @param rows | |
| 743 * @param cols | |
| 744 * @param width | |
| 745 * @param height | |
| 746 */ | |
| 747 | |
| 748 public synchronized void resizeComputed(int cols, int rows, int width, int height) { | |
| 749 float size = 8.0f; | |
| 750 float step = 8.0f; | |
| 751 float limit = 0.125f; | |
| 752 int direction; | |
|
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753 boolean fixed = true; |
| 0 | 754 |
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755 if (!fixed) { |
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756 while ((direction = fontSizeCompare(size, cols, rows, width, height)) < 0) |
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757 size += step; |
| 0 | 758 |
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759 if (direction == 0) { |
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760 Log.d("fontsize", String.format("Found match at %f", size)); |
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761 return; |
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762 } |
| 0 | 763 |
|
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764 step /= 2.0f; |
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765 size -= step; |
| 0 | 766 |
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767 while ((direction = fontSizeCompare(size, cols, rows, width, height)) != 0 |
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768 && step >= limit) { |
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769 step /= 2.0f; |
| 0 | 770 |
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771 if (direction > 0) { |
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772 size -= step; |
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773 } |
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774 else { |
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775 size += step; |
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776 } |
| 0 | 777 } |
|
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778 |
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779 if (direction > 0) size -= step; |
| 0 | 780 } |
| 781 | |
| 782 this.columns = cols; | |
| 783 this.rows = rows; | |
| 784 forcedSize = true; | |
| 307 | 785 |
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786 if (fixed) setFontSize(host.getFontSize()); |
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787 else setFontSize(size); |
| 0 | 788 } |
| 789 | |
| 790 private int fontSizeCompare(float size, int cols, int rows, int width, int height) { | |
| 791 // read new metrics to get exact pixel dimensions | |
| 792 defaultPaint.setTextSize(size); | |
| 793 FontMetrics fm = defaultPaint.getFontMetrics(); | |
| 794 float[] widths = new float[1]; | |
| 795 defaultPaint.getTextWidths("X", widths); | |
| 796 int termWidth = (int)widths[0] * cols; | |
| 797 int termHeight = (int)FloatMath.ceil(fm.descent - fm.top) * rows; | |
| 798 Log.d("fontsize", String.format("font size %f resulted in %d x %d", size, termWidth, termHeight)); | |
| 799 | |
| 800 // Check to see if it fits in resolution specified. | |
| 801 if (termWidth > width || termHeight > height) | |
| 802 return 1; | |
| 803 | |
| 804 if (termWidth == width || termHeight == height) | |
| 805 return 0; | |
| 806 | |
| 807 return -1; | |
| 808 } | |
| 809 | |
| 810 /** | |
| 811 * @return whether underlying transport can forward ports | |
| 812 */ | |
| 813 public boolean canFowardPorts() { | |
| 814 return transport.canForwardPorts(); | |
| 815 } | |
| 816 | |
| 817 /** | |
| 818 * Adds the {@link PortForwardBean} to the list. | |
| 819 * @param portForward the port forward bean to add | |
| 820 * @return true on successful addition | |
| 821 */ | |
| 822 public boolean addPortForward(PortForwardBean portForward) { | |
| 823 return transport.addPortForward(portForward); | |
| 824 } | |
| 825 | |
| 826 /** | |
| 827 * Removes the {@link PortForwardBean} from the list. | |
| 828 * @param portForward the port forward bean to remove | |
| 829 * @return true on successful removal | |
| 830 */ | |
| 831 public boolean removePortForward(PortForwardBean portForward) { | |
| 832 return transport.removePortForward(portForward); | |
| 833 } | |
| 834 | |
| 835 /** | |
| 836 * @return the list of port forwards | |
| 837 */ | |
| 838 public List<PortForwardBean> getPortForwards() { | |
| 839 return transport.getPortForwards(); | |
| 840 } | |
| 841 | |
| 842 /** | |
| 843 * Enables a port forward member. After calling this method, the port forward should | |
| 844 * be operational. | |
| 845 * @param portForward member of our current port forwards list to enable | |
| 846 * @return true on successful port forward setup | |
| 847 */ | |
| 848 public boolean enablePortForward(PortForwardBean portForward) { | |
| 849 if (!transport.isConnected()) { | |
| 850 Log.i(TAG, "Attempt to enable port forward while not connected"); | |
| 851 return false; | |
| 852 } | |
| 853 | |
| 854 return transport.enablePortForward(portForward); | |
| 855 } | |
| 856 | |
| 857 /** | |
| 858 * Disables a port forward member. After calling this method, the port forward should | |
| 859 * be non-functioning. | |
| 860 * @param portForward member of our current port forwards list to enable | |
| 861 * @return true on successful port forward tear-down | |
| 862 */ | |
| 863 public boolean disablePortForward(PortForwardBean portForward) { | |
| 864 if (!transport.isConnected()) { | |
| 865 Log.i(TAG, "Attempt to disable port forward while not connected"); | |
| 866 return false; | |
| 867 } | |
| 868 | |
| 869 return transport.disablePortForward(portForward); | |
| 870 } | |
| 871 | |
| 872 /** | |
| 873 * @return whether underlying transport can transfer files | |
| 874 */ | |
| 875 public boolean canTransferFiles() { | |
| 876 return transport.canTransferFiles(); | |
| 877 } | |
| 878 | |
| 879 /** | |
| 880 * Downloads the specified remote file to the local connectbot folder. | |
| 881 * @return true on success, false on failure | |
| 882 */ | |
| 883 public boolean downloadFile(String remoteFile, String localFolder) { | |
| 884 return transport.downloadFile(remoteFile, localFolder); | |
| 885 } | |
| 886 | |
| 887 /** | |
| 888 * Uploads the specified local file to the remote host's default directory. | |
| 889 * @return true on success, false on failure | |
| 890 */ | |
| 891 public boolean uploadFile(String localFile, String remoteFolder, String remoteFile, String mode) { | |
| 892 if (mode == null) | |
| 893 mode = "0600"; | |
| 894 | |
| 895 return transport.uploadFile(localFile, remoteFolder, remoteFile, mode); | |
| 896 } | |
| 897 | |
| 898 /** | |
| 899 * @return whether the TerminalBridge should close | |
| 900 */ | |
| 901 public boolean isAwaitingClose() { | |
| 902 return awaitingClose; | |
| 903 } | |
| 904 | |
| 905 /** | |
| 906 * @return whether this connection had started and subsequently disconnected | |
| 907 */ | |
| 908 public boolean isDisconnected() { | |
| 909 return disconnected; | |
| 910 } | |
| 911 | |
| 912 /* (non-Javadoc) | |
| 913 * @see de.mud.terminal.VDUDisplay#setColor(byte, byte, byte, byte) | |
| 914 */ | |
| 915 public void setColor(int index, int red, int green, int blue) { | |
| 916 // Don't allow the system colors to be overwritten for now. May violate specs. | |
| 917 if (index < color.length && index >= 16) | |
| 918 color[index] = 0xff000000 | red << 16 | green << 8 | blue; | |
| 919 } | |
| 920 | |
| 921 public final void resetColors() { | |
| 922 int[] defaults = manager.hostdb.getDefaultColorsForScheme(HostDatabase.DEFAULT_COLOR_SCHEME); | |
| 923 defaultFg = defaults[0]; | |
| 924 defaultBg = defaults[1]; | |
| 925 color = manager.hostdb.getColorsForScheme(HostDatabase.DEFAULT_COLOR_SCHEME); | |
| 926 } | |
| 927 | |
| 928 private static Pattern urlPattern = null; | |
| 929 | |
| 930 /** | |
| 931 * @return | |
| 932 */ | |
| 933 public List<String> scanForURLs() { | |
| 934 Set<String> urls = new LinkedHashSet<String>(); | |
| 935 | |
| 936 if (urlPattern == null) { | |
| 937 // based on http://www.ietf.org/rfc/rfc2396.txt | |
| 938 String scheme = "[A-Za-z][-+.0-9A-Za-z]*"; | |
| 939 String unreserved = "[-._~0-9A-Za-z]"; | |
| 940 String pctEncoded = "%[0-9A-Fa-f]{2}"; | |
| 941 String subDelims = "[!$&'()*+,;:=]"; | |
| 942 String userinfo = "(?:" + unreserved + "|" + pctEncoded + "|" + subDelims + "|:)*"; | |
| 943 String h16 = "[0-9A-Fa-f]{1,4}"; | |
| 944 String decOctet = "(?:[0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])"; | |
| 945 String ipv4address = decOctet + "\\." + decOctet + "\\." + decOctet + "\\." + decOctet; | |
| 946 String ls32 = "(?:" + h16 + ":" + h16 + "|" + ipv4address + ")"; | |
| 947 String ipv6address = "(?:(?:" + h16 + "){6}" + ls32 + ")"; | |
| 948 String ipvfuture = "v[0-9A-Fa-f]+.(?:" + unreserved + "|" + subDelims + "|:)+"; | |
| 949 String ipLiteral = "\\[(?:" + ipv6address + "|" + ipvfuture + ")\\]"; | |
| 950 String regName = "(?:" + unreserved + "|" + pctEncoded + "|" + subDelims + ")*"; | |
| 951 String host = "(?:" + ipLiteral + "|" + ipv4address + "|" + regName + ")"; | |
| 952 String port = "[0-9]*"; | |
| 953 String authority = "(?:" + userinfo + "@)?" + host + "(?::" + port + ")?"; | |
| 954 String pchar = "(?:" + unreserved + "|" + pctEncoded + "|" + subDelims + "|@)"; | |
| 955 String segment = pchar + "*"; | |
| 956 String pathAbempty = "(?:/" + segment + ")*"; | |
| 957 String segmentNz = pchar + "+"; | |
| 958 String pathAbsolute = "/(?:" + segmentNz + "(?:/" + segment + ")*)?"; | |
| 959 String pathRootless = segmentNz + "(?:/" + segment + ")*"; | |
| 960 String hierPart = "(?://" + authority + pathAbempty + "|" + pathAbsolute + "|" + pathRootless + ")"; | |
| 961 String query = "(?:" + pchar + "|/|\\?)*"; | |
| 962 String fragment = "(?:" + pchar + "|/|\\?)*"; | |
| 963 String uriRegex = scheme + ":" + hierPart + "(?:" + query + ")?(?:#" + fragment + ")?"; | |
| 964 urlPattern = Pattern.compile(uriRegex); | |
| 965 } | |
| 966 | |
| 967 char[] visibleBuffer = new char[buffer.height * buffer.width]; | |
| 968 | |
| 969 for (int l = 0; l < buffer.height; l++) | |
| 970 System.arraycopy(buffer.charArray[buffer.windowBase + l], 0, | |
| 971 visibleBuffer, l * buffer.width, buffer.width); | |
| 972 | |
| 973 Matcher urlMatcher = urlPattern.matcher(new String(visibleBuffer)); | |
| 974 | |
| 975 while (urlMatcher.find()) | |
| 976 urls.add(urlMatcher.group()); | |
| 977 | |
| 978 return (new LinkedList<String> (urls)); | |
| 979 } | |
| 980 | |
| 981 /** | |
| 982 * @return | |
| 983 */ | |
| 984 public boolean isUsingNetwork() { | |
| 985 return transport.usesNetwork(); | |
| 986 } | |
| 987 | |
| 988 /** | |
| 989 * @return | |
| 990 */ | |
| 991 public TerminalKeyListener getKeyHandler() { | |
| 992 return keyListener; | |
| 993 } | |
| 994 | |
| 995 /** | |
| 996 * | |
| 997 */ | |
| 998 public void resetScrollPosition() { | |
| 999 // if we're in scrollback, scroll to bottom of window on input | |
| 1000 if (buffer.windowBase != buffer.screenBase) | |
| 1001 buffer.setWindowBase(buffer.screenBase); | |
| 1002 } | |
| 1003 | |
| 1004 /** | |
| 1005 * | |
| 1006 */ | |
| 1007 public void increaseFontSize() { | |
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1008 setFontSize(fontSize * FONT_SIZE_FACTOR); |
| 0 | 1009 } |
| 1010 | |
| 1011 /** | |
| 1012 * | |
| 1013 */ | |
| 1014 public void decreaseFontSize() { | |
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1015 setFontSize(fontSize / FONT_SIZE_FACTOR); |
| 0 | 1016 } |
| 1017 | |
| 1018 /** | |
| 1019 * Auto-size window back to default | |
| 1020 */ | |
| 1021 public void resetSize(TerminalView parent) { | |
| 1022 this.forcedSize = false; | |
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1023 setMyFontSize(); |
| 0 | 1024 } |
| 1025 | |
| 1026 /** | |
| 1027 * Create a screenshot of the current view | |
| 1028 */ | |
| 1029 public void captureScreen() { | |
| 1030 String msg; | |
| 1031 File dir, path; | |
| 1032 boolean success = true; | |
| 1033 Bitmap screenshot = this.bitmap; | |
| 1034 | |
| 1035 if (manager == null || parent == null || screenshot == null) | |
| 1036 return; | |
| 1037 | |
| 1038 SimpleDateFormat s = new SimpleDateFormat("yyyyMMdd_HHmmss"); | |
| 1039 String date = s.format(new Date()); | |
| 1040 String pref_path = manager.prefs.getString(PreferenceConstants.SCREEN_CAPTURE_FOLDER, ""); | |
| 1041 File default_path = Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_PICTURES); | |
| 1042 | |
| 1043 if (pref_path.equals("")) | |
| 1044 dir = default_path; | |
| 1045 else | |
| 1046 dir = new File(pref_path); | |
| 1047 | |
| 1048 path = new File(dir, "vx-" + date + ".png"); | |
| 1049 | |
| 1050 try { | |
| 1051 dir.mkdirs(); | |
| 1052 FileOutputStream out = new FileOutputStream(path); | |
| 1053 screenshot.compress(Bitmap.CompressFormat.PNG, 90, out); | |
| 1054 out.close(); | |
| 1055 } | |
| 1056 catch (Exception e) { | |
| 1057 e.printStackTrace(); | |
| 1058 success = false; | |
| 1059 } | |
| 1060 | |
| 1061 if (success) { | |
| 1062 msg = manager.getResources().getString(R.string.screenshot_saved_as) + " " + path; | |
| 1063 | |
| 1064 if (manager.prefs.getBoolean(PreferenceConstants.SCREEN_CAPTURE_POPUP, true)) { | |
| 1065 new AlertDialog.Builder(parent.getContext()) | |
| 1066 .setTitle(R.string.screenshot_success_title) | |
| 1067 .setMessage(msg) | |
| 1068 .setPositiveButton(R.string.button_close, null) | |
| 1069 .show(); | |
| 1070 } | |
| 1071 } | |
| 1072 else { | |
| 1073 msg = manager.getResources().getString(R.string.screenshot_not_saved_as) + " " + path; | |
| 1074 new AlertDialog.Builder(parent.getContext()) | |
| 1075 .setTitle(R.string.screenshot_error_title) | |
| 1076 .setMessage(msg) | |
| 1077 .setNegativeButton(R.string.button_close, null) | |
| 1078 .show(); | |
| 1079 } | |
| 1080 | |
| 1081 return; | |
| 1082 } | |
| 1083 | |
| 1084 /** | |
| 1085 * Show change font size dialog | |
| 1086 */ | |
| 1087 public boolean showFontSizeDialog() { | |
| 1088 final String pickerString = "+-"; | |
| 1089 CharSequence str = ""; | |
| 1090 Editable content = Editable.Factory.getInstance().newEditable(str); | |
| 1091 | |
| 1092 if (parent == null) | |
| 1093 return false; | |
| 1094 | |
| 1095 CharacterPickerDialog cpd = new CharacterPickerDialog(parent.getContext(), | |
| 1096 parent, content, pickerString, true) { | |
| 1097 private void changeFontSize(CharSequence result) { | |
| 1098 if (result.equals("+")) | |
| 1099 increaseFontSize(); | |
| 1100 else if (result.equals("-")) | |
| 1101 decreaseFontSize(); | |
| 1102 } | |
| 1103 @Override | |
| 1104 public void onItemClick(AdapterView p, View v, int pos, long id) { | |
| 1105 final String result = String.valueOf(pickerString.charAt(pos)); | |
| 1106 changeFontSize(result); | |
| 1107 } | |
| 1108 @Override | |
| 1109 public void onClick(View v) { | |
| 1110 if (v instanceof Button) { | |
| 1111 final CharSequence result = ((Button) v).getText(); | |
| 1112 | |
| 1113 if (result.equals("")) | |
| 1114 dismiss(); | |
| 1115 else | |
| 1116 changeFontSize(result); | |
| 1117 } | |
| 1118 } | |
| 1119 @Override | |
| 1120 public boolean dispatchKeyEvent(KeyEvent event) { | |
| 1121 if (event.getAction() == KeyEvent.ACTION_DOWN) { | |
| 1122 if (event.getKeyCode() == KeyEvent.KEYCODE_BACK) | |
| 1123 dismiss(); | |
| 1124 | |
| 1125 return keyListener.onKey(parent, event.getKeyCode(), event); | |
| 1126 } | |
| 1127 | |
| 1128 return true; | |
| 1129 } | |
| 1130 }; | |
| 1131 cpd.show(); | |
| 1132 return true; | |
| 1133 } | |
| 1134 | |
| 1135 /** | |
| 1136 * Show arrows dialog | |
| 1137 */ | |
| 1138 public boolean showArrowsDialog() { | |
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1139 final String []pickerStrings = {"←", "→", "↑", "↓", "tab", "ins", "del", "ret"}; |
| 307 | 1140 final HashMap<String, Integer> keymap = new HashMap<String, Integer>(); |
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1141 keymap.put("←", vt320.KEY_LEFT); |
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1142 keymap.put("→", vt320.KEY_RIGHT); |
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1143 keymap.put("↑", vt320.KEY_UP); |
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1144 keymap.put("↓", vt320.KEY_DOWN); |
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1145 keymap.put("tab", vt320.KEY_TAB); |
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1146 keymap.put("ins", vt320.KEY_INSERT); |
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1147 keymap.put("del", vt320.KEY_DELETE); |
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1148 keymap.put("ret", vt320.KEY_ENTER); |
| 0 | 1149 CharSequence str = ""; |
| 1150 Editable content = Editable.Factory.getInstance().newEditable(str); | |
| 1151 | |
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1152 if (parent == null) return false; |
| 0 | 1153 |
|
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1154 StringPickerDialog cpd = new StringPickerDialog(parent.getContext(), |
| 307 | 1155 parent, content, |
| 1156 pickerStrings, true) { | |
|
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1157 private void buttonPressed(String s) { |
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1158 if (keymap.containsKey(s)) buffer.keyPressed(keymap.get(s), ' ', 0); |
| 0 | 1159 } |
| 1160 @Override | |
| 1161 public void onItemClick(AdapterView p, View v, int pos, long id) { | |
|
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1162 buttonPressed(pickerStrings[pos]); |
| 0 | 1163 } |
| 1164 @Override | |
| 1165 public void onClick(View v) { | |
| 1166 if (v instanceof Button) { | |
|
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1167 final String s = ((Button) v).getText().toString(); |
| 307 | 1168 |
|
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1169 if (s.equals("")) dismiss(); |
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1170 else buttonPressed(s); |
| 0 | 1171 } |
| 1172 } | |
| 1173 @Override | |
| 1174 public boolean dispatchKeyEvent(KeyEvent event) { | |
| 1175 if (event.getAction() == KeyEvent.ACTION_DOWN) { | |
| 1176 if (event.getKeyCode() == KeyEvent.KEYCODE_BACK) | |
| 1177 dismiss(); | |
| 1178 | |
| 1179 return keyListener.onKey(parent, event.getKeyCode(), event); | |
| 1180 } | |
| 1181 | |
| 1182 return true; | |
| 1183 } | |
| 1184 }; | |
| 1185 cpd.show(); | |
| 1186 return true; | |
| 1187 } | |
| 1188 | |
| 1189 | |
| 1190 /** | |
| 1191 * CTRL dialog | |
| 1192 */ | |
| 1193 private String getCtrlString() { | |
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1194 final String defaultSet = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"; |
| 0 | 1195 String set = manager.prefs.getString(PreferenceConstants.CTRL_STRING, defaultSet); |
| 1196 | |
| 1197 if (set == null || set.equals("")) { | |
| 1198 set = defaultSet; | |
| 1199 } | |
| 1200 | |
| 1201 return set; | |
| 1202 } | |
| 1203 | |
| 1204 public boolean showCtrlDialog() { | |
| 1205 CharSequence str = ""; | |
| 1206 Editable content = Editable.Factory.getInstance().newEditable(str); | |
| 1207 | |
| 1208 if (parent == null) | |
| 1209 return false; | |
| 1210 | |
| 1211 CharacterPickerDialog cpd = new CharacterPickerDialog(parent.getContext(), | |
| 1212 parent, content, getCtrlString(), true) { | |
| 1213 private void buttonPressed(CharSequence result) { | |
| 1214 int code = result.toString().toUpperCase().charAt(0) - 64; | |
| 1215 | |
| 1216 if (code > 0 && code < 80) { | |
| 1217 try { | |
| 1218 transport.write(code); | |
| 1219 } | |
| 1220 catch (IOException e) { | |
| 1221 Log.d(TAG, "Error writing CTRL+" + result.toString().toUpperCase().charAt(0)); | |
| 1222 } | |
| 1223 } | |
| 1224 | |
| 1225 dismiss(); | |
| 1226 } | |
| 1227 @Override | |
| 1228 public void onItemClick(AdapterView p, View v, int pos, long id) { | |
| 1229 final String result = String.valueOf(getCtrlString().charAt(pos)); | |
| 1230 buttonPressed(result); | |
| 1231 } | |
| 1232 @Override | |
| 1233 public void onClick(View v) { | |
| 1234 if (v instanceof Button) { | |
| 1235 final CharSequence result = ((Button) v).getText(); | |
| 1236 | |
| 1237 if (result.equals("")) | |
| 1238 dismiss(); | |
| 1239 else | |
| 1240 buttonPressed(result); | |
| 1241 } | |
| 1242 } | |
| 1243 @Override | |
| 1244 public boolean dispatchKeyEvent(KeyEvent event) { | |
| 1245 if (event.getAction() == KeyEvent.ACTION_DOWN) { | |
| 1246 if (event.getKeyCode() == KeyEvent.KEYCODE_BACK) | |
| 1247 dismiss(); | |
| 1248 | |
| 1249 return keyListener.onKey(parent, event.getKeyCode(), event); | |
| 1250 } | |
| 1251 | |
| 1252 return true; | |
| 1253 } | |
| 1254 }; | |
| 1255 cpd.show(); | |
| 1256 return true; | |
| 1257 } | |
| 1258 | |
| 1259 /** | |
| 1260 * Function keys dialog | |
| 1261 */ | |
| 1262 public boolean showFKeysDialog() { | |
|
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1263 final String []pickerStrings = {"F1", "F2", "F3", "F4", "F5", "F6", "F7", "F8", "F9", "F10", "F11", "F12", "F13", "F14", "F15", "F16", "F17", "F18", "F19", "F20", "F21", "F22", "F23", "F24", "←", "→", "↑", "↓", "tab", "ins", "del", "ret"}; |
| 307 | 1264 final HashMap<String, Integer> keymap = new HashMap<String, Integer>(); |
|
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1265 keymap.put("F1", vt320.KEY_F1); |
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1266 keymap.put("F2", vt320.KEY_F2); |
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1267 keymap.put("F3", vt320.KEY_F3); |
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1268 keymap.put("F4", vt320.KEY_F4); |
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1269 keymap.put("F5", vt320.KEY_F5); |
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1270 keymap.put("F6", vt320.KEY_F6); |
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1271 keymap.put("F7", vt320.KEY_F7); |
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1272 keymap.put("F8", vt320.KEY_F8); |
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1273 keymap.put("F9", vt320.KEY_F9); |
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1274 keymap.put("F10", vt320.KEY_F10); |
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1275 keymap.put("F11", vt320.KEY_F11); |
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1276 keymap.put("F12", vt320.KEY_F12); |
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1277 keymap.put("F13", vt320.KEY_F13); |
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1278 keymap.put("F14", vt320.KEY_F14); |
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1279 keymap.put("F15", vt320.KEY_F15); |
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1280 keymap.put("F16", vt320.KEY_F16); |
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1281 keymap.put("F17", vt320.KEY_F17); |
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1282 keymap.put("F18", vt320.KEY_F18); |
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1283 keymap.put("F19", vt320.KEY_F19); |
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1284 keymap.put("F20", vt320.KEY_F20); |
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1285 keymap.put("F21", vt320.KEY_F21); |
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1286 keymap.put("F22", vt320.KEY_F22); |
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1287 keymap.put("F23", vt320.KEY_F23); |
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1288 keymap.put("F24", vt320.KEY_F24); |
|
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1289 keymap.put("←", vt320.KEY_LEFT); |
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1290 keymap.put("→", vt320.KEY_RIGHT); |
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1291 keymap.put("↑", vt320.KEY_UP); |
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1292 keymap.put("↓", vt320.KEY_DOWN); |
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1293 keymap.put("tab", vt320.KEY_TAB); |
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1294 keymap.put("ins", vt320.KEY_INSERT); |
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1295 keymap.put("del", vt320.KEY_DELETE); |
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1296 keymap.put("ret", vt320.KEY_ENTER); |
| 0 | 1297 CharSequence str = ""; |
| 1298 Editable content = Editable.Factory.getInstance().newEditable(str); | |
| 1299 | |
|
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1300 if (parent == null) return false; |
| 0 | 1301 |
|
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1302 StringPickerDialog cpd = new StringPickerDialog(parent.getContext(), |
| 307 | 1303 parent, content, |
| 1304 pickerStrings, true) { | |
|
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1305 private void buttonPressed(String s) { |
| 176 | 1306 if (keymap.containsKey(s)) buffer.keyPressed(keymap.get(s), ' ', 0); |
| 307 | 1307 |
| 0 | 1308 dismiss(); |
| 1309 } | |
| 1310 @Override | |
| 1311 public void onItemClick(AdapterView p, View v, int pos, long id) { | |
|
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1312 buttonPressed(pickerStrings[pos]); |
| 0 | 1313 } |
| 1314 @Override | |
| 1315 public void onClick(View v) { | |
| 1316 if (v instanceof Button) { | |
|
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1317 final String s = ((Button) v).getText().toString(); |
| 307 | 1318 |
|
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1319 if (s.equals("")) dismiss(); |
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1320 else buttonPressed(s); |
| 0 | 1321 } |
| 1322 } | |
| 1323 @Override | |
| 1324 public boolean dispatchKeyEvent(KeyEvent event) { | |
| 1325 if (event.getAction() == KeyEvent.ACTION_DOWN) { | |
| 1326 if (event.getKeyCode() == KeyEvent.KEYCODE_BACK) | |
| 1327 dismiss(); | |
| 1328 | |
| 1329 return keyListener.onKey(parent, event.getKeyCode(), event); | |
| 1330 } | |
| 1331 | |
| 1332 return true; | |
| 1333 } | |
| 1334 }; | |
| 1335 cpd.show(); | |
| 1336 return true; | |
| 1337 } | |
| 1338 | |
| 1339 private String getPickerString() { | |
| 1340 final String defaultSet = "~\\^()[]{}<>|/:_;,.!@#$%&*?\"'-+="; | |
| 1341 String set = manager.prefs.getString(PreferenceConstants.PICKER_STRING, defaultSet); | |
| 1342 | |
| 1343 if (set == null || set.equals("")) { | |
| 1344 set = defaultSet; | |
| 1345 } | |
| 1346 | |
| 1347 return set; | |
| 1348 } | |
| 1349 | |
| 1350 public boolean showCharPickerDialog() { | |
| 1351 CharSequence str = ""; | |
| 1352 Editable content = Editable.Factory.getInstance().newEditable(str); | |
| 1353 | |
| 1354 if (parent == null || !transport.isAuthenticated()) | |
| 1355 return false; | |
| 1356 | |
| 1357 CharacterPickerDialog cpd = new CharacterPickerDialog(parent.getContext(), | |
| 1358 parent, content, getPickerString(), true) { | |
| 1359 private void writeChar(CharSequence result) { | |
| 1360 try { | |
| 1361 if (transport.isAuthenticated()) | |
| 1362 transport.write(result.toString().getBytes(getCharset().name())); | |
| 1363 } | |
| 1364 catch (IOException e) { | |
| 1365 Log.e(TAG, "Problem with the CharacterPickerDialog", e); | |
| 1366 } | |
| 1367 | |
| 1368 if (!manager.prefs.getBoolean(PreferenceConstants.PICKER_KEEP_OPEN, false)) | |
| 1369 dismiss(); | |
| 1370 } | |
| 1371 @Override | |
| 1372 public void onItemClick(AdapterView p, View v, int pos, long id) { | |
| 1373 String result = String.valueOf(getPickerString().charAt(pos)); | |
| 1374 writeChar(result); | |
| 1375 } | |
| 1376 @Override | |
| 1377 public void onClick(View v) { | |
| 1378 if (v instanceof Button) { | |
| 1379 CharSequence result = ((Button) v).getText(); | |
| 1380 | |
| 1381 if (result.equals("")) | |
| 1382 dismiss(); | |
| 1383 else | |
| 1384 writeChar(result); | |
| 1385 } | |
| 1386 } | |
| 1387 @Override | |
| 1388 public boolean dispatchKeyEvent(KeyEvent event) { | |
| 1389 int keyCode = event.getKeyCode(); | |
| 1390 | |
| 1391 if (event.getAction() == KeyEvent.ACTION_DOWN) { | |
| 1392 // close window if SYM or BACK keys are pressed | |
| 1393 if (keyListener.isSymKey(keyCode) || | |
| 1394 keyCode == KeyEvent.KEYCODE_BACK) { | |
| 1395 dismiss(); | |
| 1396 return true; | |
| 1397 } | |
| 1398 } | |
|
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1399 |
| 0 | 1400 return super.dispatchKeyEvent(event); |
| 1401 } | |
| 1402 }; | |
| 1403 cpd.show(); | |
| 1404 return true; | |
| 1405 } | |
| 1406 } |