Mercurial > 510Connectbot
annotate src/com/five_ten_sg/connectbot/HostEditorActivity.java @ 128:377357365d68
host editor database values override summary text only if non-empty
| author | Carl Byington <carl@five-ten-sg.com> |
|---|---|
| date | Thu, 19 Jun 2014 09:42:09 -0700 |
| parents | 69db8af9508d |
| children | 50e1dead04a1 |
| 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; | |
| 19 | |
| 20 import java.nio.charset.Charset; | |
| 21 import java.util.Arrays; | |
| 22 import java.util.HashMap; | |
| 23 import java.util.LinkedList; | |
| 24 import java.util.List; | |
|
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25 import java.util.HashMap; |
| 0 | 26 import java.util.Map; |
| 27 import java.util.Map.Entry; | |
| 28 import java.util.Set; | |
| 29 | |
| 30 import com.five_ten_sg.connectbot.bean.HostBean; | |
| 31 import com.five_ten_sg.connectbot.service.TerminalBridge; | |
| 32 import com.five_ten_sg.connectbot.service.TerminalManager; | |
| 33 import com.five_ten_sg.connectbot.util.HostDatabase; | |
| 34 import com.five_ten_sg.connectbot.util.PubkeyDatabase; | |
| 35 import android.content.ComponentName; | |
| 36 import android.content.ContentValues; | |
| 37 import android.content.Context; | |
| 38 import android.content.Intent; | |
| 39 import android.content.ServiceConnection; | |
| 40 import android.content.SharedPreferences; | |
| 41 import android.content.SharedPreferences.OnSharedPreferenceChangeListener; | |
| 42 import android.database.Cursor; | |
| 43 import android.database.sqlite.SQLiteDatabase; | |
| 44 import android.os.Bundle; | |
| 45 import android.os.IBinder; | |
| 46 import android.preference.CheckBoxPreference; | |
| 47 import android.preference.ListPreference; | |
| 48 import android.preference.Preference; | |
| 49 import android.preference.PreferenceActivity; | |
| 50 import android.util.Log; | |
| 51 | |
| 52 public class HostEditorActivity extends PreferenceActivity implements OnSharedPreferenceChangeListener { | |
| 53 public class CursorPreferenceHack implements SharedPreferences { | |
| 54 protected final String table; | |
| 55 protected final long id; | |
| 56 | |
| 57 protected Map<String, String> values = new HashMap<String, String>(); | |
|
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58 protected Map<String, CharSequence> summaries = new HashMap<String, CharSequence>(); |
| 0 | 59 |
| 60 public CursorPreferenceHack(String table, long id) { | |
| 61 this.table = table; | |
| 62 this.id = id; | |
| 63 cacheValues(); | |
| 64 } | |
| 65 | |
| 66 protected final void cacheValues() { | |
| 67 // fill a cursor and cache the values locally | |
| 68 // this makes sure we dont have any floating cursor to dispose later | |
| 69 SQLiteDatabase db = hostdb.getReadableDatabase(); | |
| 70 Cursor cursor = db.query(table, null, "_id = ?", | |
| 71 new String[] { String.valueOf(id) }, null, null, null); | |
| 72 | |
| 73 if (cursor.moveToFirst()) { | |
| 74 for (int i = 0; i < cursor.getColumnCount(); i++) { | |
| 75 String key = cursor.getColumnName(i); | |
| 76 | |
| 77 if (key.equals(HostDatabase.FIELD_HOST_HOSTKEY)) continue; | |
| 78 | |
| 79 String value = cursor.getString(i); | |
| 80 values.put(key, value); | |
| 81 } | |
| 82 } | |
| 83 | |
| 84 cursor.close(); | |
| 85 db.close(); | |
| 86 } | |
| 87 | |
| 88 public boolean contains(String key) { | |
| 89 return values.containsKey(key); | |
| 90 } | |
| 91 | |
| 92 public class Editor implements SharedPreferences.Editor { | |
| 93 | |
| 94 private ContentValues update = new ContentValues(); | |
| 95 | |
| 96 public SharedPreferences.Editor clear() { | |
| 97 Log.d(this.getClass().toString(), "clear()"); | |
| 98 update = new ContentValues(); | |
| 99 return this; | |
| 100 } | |
| 101 | |
| 102 public boolean commit() { | |
| 103 //Log.d(this.getClass().toString(), "commit() changes back to database"); | |
| 104 SQLiteDatabase db = hostdb.getWritableDatabase(); | |
| 105 db.update(table, update, "_id = ?", new String[] { String.valueOf(id) }); | |
| 106 db.close(); | |
| 107 // make sure we refresh the parent cached values | |
| 108 cacheValues(); | |
| 109 | |
| 110 // and update any listeners | |
| 111 for (OnSharedPreferenceChangeListener listener : listeners) { | |
| 112 listener.onSharedPreferenceChanged(CursorPreferenceHack.this, null); | |
| 113 } | |
| 114 | |
| 115 return true; | |
| 116 } | |
| 117 | |
| 118 // Gingerbread compatibility | |
| 119 public void apply() { | |
| 120 commit(); | |
| 121 } | |
| 122 | |
| 123 public android.content.SharedPreferences.Editor putBoolean(String key, boolean value) { | |
| 124 return this.putString(key, Boolean.toString(value)); | |
| 125 } | |
| 126 | |
| 127 public android.content.SharedPreferences.Editor putFloat(String key, float value) { | |
| 128 return this.putString(key, Float.toString(value)); | |
| 129 } | |
| 130 | |
| 131 public android.content.SharedPreferences.Editor putInt(String key, int value) { | |
| 132 return this.putString(key, Integer.toString(value)); | |
| 133 } | |
| 134 | |
| 135 public android.content.SharedPreferences.Editor putLong(String key, long value) { | |
| 136 return this.putString(key, Long.toString(value)); | |
| 137 } | |
| 138 | |
| 139 public android.content.SharedPreferences.Editor putString(String key, String value) { | |
| 140 //Log.d(this.getClass().toString(), String.format("Editor.putString(key=%s, value=%s)", key, value)); | |
| 141 update.put(key, value); | |
| 142 return this; | |
| 143 } | |
| 144 | |
| 145 public android.content.SharedPreferences.Editor remove(String key) { | |
| 146 //Log.d(this.getClass().toString(), String.format("Editor.remove(key=%s)", key)); | |
| 147 update.remove(key); | |
| 148 return this; | |
| 149 } | |
| 150 | |
| 151 public android.content.SharedPreferences.Editor putStringSet(String key, Set<String> value) { | |
| 152 throw new UnsupportedOperationException("HostEditor Prefs do not support Set<String>"); | |
| 153 } | |
| 154 } | |
| 155 | |
| 156 | |
| 157 public Editor edit() { | |
| 158 //Log.d(this.getClass().toString(), "edit()"); | |
| 159 return new Editor(); | |
| 160 } | |
| 161 | |
| 162 public Map<String, ?> getAll() { | |
| 163 return values; | |
| 164 } | |
| 165 | |
| 166 public boolean getBoolean(String key, boolean defValue) { | |
| 167 return Boolean.valueOf(this.getString(key, Boolean.toString(defValue))); | |
| 168 } | |
| 169 | |
| 170 public float getFloat(String key, float defValue) { | |
| 171 return Float.valueOf(this.getString(key, Float.toString(defValue))); | |
| 172 } | |
| 173 | |
| 174 public int getInt(String key, int defValue) { | |
| 175 return Integer.valueOf(this.getString(key, Integer.toString(defValue))); | |
| 176 } | |
| 177 | |
| 178 public long getLong(String key, long defValue) { | |
| 179 return Long.valueOf(this.getString(key, Long.toString(defValue))); | |
| 180 } | |
| 181 | |
| 182 public String getString(String key, String defValue) { | |
| 183 //Log.d(this.getClass().toString(), String.format("getString(key=%s, defValue=%s)", key, defValue)); | |
| 184 if (!values.containsKey(key)) return defValue; | |
| 185 | |
| 186 return values.get(key); | |
| 187 } | |
| 188 | |
| 189 public Set<String> getStringSet(String key, Set<String> defValue) { | |
| 190 throw new ClassCastException("HostEditor Prefs do not support Set<String>"); | |
| 191 } | |
| 192 | |
| 193 protected List<OnSharedPreferenceChangeListener> listeners = new LinkedList<OnSharedPreferenceChangeListener>(); | |
| 194 | |
| 195 public void registerOnSharedPreferenceChangeListener(OnSharedPreferenceChangeListener listener) { | |
| 196 listeners.add(listener); | |
| 197 } | |
| 198 | |
| 199 public void unregisterOnSharedPreferenceChangeListener(OnSharedPreferenceChangeListener listener) { | |
| 200 listeners.remove(listener); | |
| 201 } | |
| 202 | |
| 203 } | |
| 204 | |
| 205 @Override | |
| 206 public SharedPreferences getSharedPreferences(String name, int mode) { | |
| 207 //Log.d(this.getClass().toString(), String.format("getSharedPreferences(name=%s)", name)); | |
| 208 return this.pref; | |
| 209 } | |
| 210 | |
| 211 protected static final String TAG = "ConnectBot.HostEditorActivity"; | |
| 212 | |
| 213 protected HostDatabase hostdb = null; | |
| 214 private PubkeyDatabase pubkeydb = null; | |
| 215 | |
| 216 private CursorPreferenceHack pref; | |
| 217 private ServiceConnection connection; | |
| 218 | |
| 219 private HostBean host; | |
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220 private boolean enableSSHFeatures; |
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221 private boolean enable5250Features; |
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222 private boolean enableAsyncFeatures; |
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223 |
| 0 | 224 protected TerminalBridge hostBridge; |
| 225 | |
| 226 @Override | |
| 227 public void onCreate(Bundle icicle) { | |
| 228 super.onCreate(icicle); | |
| 229 long hostId = this.getIntent().getLongExtra(Intent.EXTRA_TITLE, -1); | |
| 230 // TODO: we could pass through a specific ContentProvider uri here | |
| 231 //this.getPreferenceManager().setSharedPreferencesName(uri); | |
| 232 this.hostdb = new HostDatabase(this); | |
| 233 this.pubkeydb = new PubkeyDatabase(this); | |
| 234 host = hostdb.findHostById(hostId); | |
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235 enableSSHFeatures = host.isSSH(); |
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236 enable5250Features = host.is5250(); |
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237 enableAsyncFeatures = host.isAsync(); |
| 0 | 238 connection = new ServiceConnection() { |
| 239 public void onServiceConnected(ComponentName className, IBinder service) { | |
| 240 TerminalManager bound = ((TerminalManager.TerminalBinder) service).getService(); | |
| 241 hostBridge = bound.getConnectedBridge(host); | |
| 242 } | |
| 243 public void onServiceDisconnected(ComponentName name) { | |
| 244 hostBridge = null; | |
| 245 } | |
| 246 }; | |
| 247 this.pref = new CursorPreferenceHack(HostDatabase.TABLE_HOSTS, hostId); | |
| 248 this.pref.registerOnSharedPreferenceChangeListener(this); | |
| 249 this.addPreferencesFromResource(R.xml.host_prefs); | |
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250 // get all the text summaries |
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251 getSummaries(); |
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252 // disable all preferences that are not applicable to this host |
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253 findPreference(HostDatabase.FIELD_HOST_PUBKEYID).setEnabled(enableSSHFeatures); |
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254 findPreference(HostDatabase.FIELD_HOST_USEAUTHAGENT).setEnabled(enableSSHFeatures); |
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255 findPreference(HostDatabase.FIELD_HOST_POSTLOGIN).setEnabled(!enable5250Features); |
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256 findPreference(HostDatabase.FIELD_HOST_COMPRESSION).setEnabled(enableSSHFeatures); |
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257 findPreference(HostDatabase.FIELD_HOST_HTTPPROXY).setEnabled(enableAsyncFeatures); |
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258 findPreference(HostDatabase.FIELD_HOST_WANTSESSION).setEnabled(enableSSHFeatures); |
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259 findPreference(HostDatabase.FIELD_HOST_USERNAME).setEnabled(enableSSHFeatures || enable5250Features); |
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260 findPreference(HostDatabase.FIELD_HOST_EMULATION).setEnabled(!enable5250Features); |
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261 findPreference(HostDatabase.CATEGORY_5250).setEnabled(enable5250Features); |
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262 findPreference(HostDatabase.CATEGORY_X11).setEnabled(enableSSHFeatures); |
| 0 | 263 // add all existing pubkeys to our listpreference for user to choose from |
| 264 // TODO: may be an issue here when this activity is recycled after adding a new pubkey | |
| 265 // TODO: should consider moving into onStart, but we dont have a good way of resetting the listpref after filling once | |
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266 ListPreference pubkeyPref = (ListPreference)findPreference(HostDatabase.FIELD_HOST_PUBKEYID); |
| 0 | 267 List<CharSequence> pubkeyNicks = new LinkedList<CharSequence> (Arrays.asList(pubkeyPref.getEntries())); |
| 268 pubkeyNicks.addAll(pubkeydb.allValues(PubkeyDatabase.FIELD_PUBKEY_NICKNAME)); | |
| 269 pubkeyPref.setEntries(pubkeyNicks.toArray(new CharSequence[pubkeyNicks.size()])); | |
| 270 List<CharSequence> pubkeyIds = new LinkedList<CharSequence> (Arrays.asList(pubkeyPref.getEntryValues())); | |
| 271 pubkeyIds.addAll(pubkeydb.allValues("_id")); | |
| 272 pubkeyPref.setEntryValues(pubkeyIds.toArray(new CharSequence[pubkeyIds.size()])); | |
| 273 // Populate the character set encoding list with all available | |
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274 final ListPreference charsetPref = (ListPreference)findPreference(HostDatabase.FIELD_HOST_ENCODING); |
| 0 | 275 |
| 276 if (CharsetHolder.isInitialized()) { | |
| 277 initCharsetPref(charsetPref); | |
| 278 } | |
| 279 else { | |
| 280 String[] currentCharsetPref = new String[1]; | |
| 281 currentCharsetPref[0] = charsetPref.getValue(); | |
| 282 charsetPref.setEntryValues(currentCharsetPref); | |
| 283 charsetPref.setEntries(currentCharsetPref); | |
| 284 new Thread(new Runnable() { | |
| 285 public void run() { | |
| 286 initCharsetPref(charsetPref); | |
| 287 } | |
| 288 }).start(); | |
| 289 } | |
| 290 | |
| 291 this.updateSummaries(); | |
| 292 } | |
| 293 | |
| 294 @Override | |
| 295 public void onStart() { | |
| 296 super.onStart(); | |
| 297 bindService(new Intent(this, TerminalManager.class), connection, Context.BIND_AUTO_CREATE); | |
| 298 | |
| 299 if (this.hostdb == null) | |
| 300 this.hostdb = new HostDatabase(this); | |
| 301 | |
| 302 if (this.pubkeydb == null) | |
| 303 this.pubkeydb = new PubkeyDatabase(this); | |
| 304 } | |
| 305 | |
| 306 @Override | |
| 307 public void onStop() { | |
| 308 super.onStop(); | |
| 309 unbindService(connection); | |
| 310 | |
| 311 if (this.hostdb != null) { | |
| 312 this.hostdb.close(); | |
| 313 this.hostdb = null; | |
| 314 } | |
| 315 | |
| 316 if (this.pubkeydb != null) { | |
| 317 this.pubkeydb.close(); | |
| 318 this.pubkeydb = null; | |
| 319 } | |
| 320 } | |
| 321 | |
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322 private void getSummaries() { |
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323 // get all the original text summaries |
| 0 | 324 for (String key : this.pref.values.keySet()) { |
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325 Preference pref = this.findPreference(key); |
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326 if (pref == null) continue; |
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327 if (pref instanceof CheckBoxPreference) continue; |
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328 CharSequence value = this.pref.getSummary(key, ""); |
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329 summaries.put(key, value); |
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330 } |
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331 } |
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332 |
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333 private void updateSummaries() { |
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334 // for all text preferences, set hint as current database value if it is non-empty |
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335 for (String key : this.pref.values.keySet()) { |
| 0 | 336 Preference pref = this.findPreference(key); |
| 337 if (pref == null) continue; | |
| 338 if (pref instanceof CheckBoxPreference) continue; | |
| 339 CharSequence value = this.pref.getString(key, ""); | |
| 340 | |
| 341 if (key.equals(HostDatabase.FIELD_HOST_PUBKEYID)) { | |
| 342 try { | |
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343 int pubkeyId = Integer.parseInt(value.toString()); |
| 0 | 344 |
| 345 if (pubkeyId >= 0) | |
| 346 pref.setSummary(pubkeydb.getNickname(pubkeyId)); | |
| 347 else if (pubkeyId == HostDatabase.PUBKEYID_ANY) | |
| 348 pref.setSummary(R.string.list_pubkeyids_any); | |
| 349 else if (pubkeyId == HostDatabase.PUBKEYID_NEVER) | |
| 350 pref.setSummary(R.string.list_pubkeyids_none); | |
| 351 | |
| 352 continue; | |
| 353 } | |
| 354 catch (NumberFormatException nfe) { | |
| 355 // Fall through. | |
| 356 } | |
| 357 } | |
| 358 else if (pref instanceof ListPreference) { | |
| 359 ListPreference listPref = (ListPreference) pref; | |
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360 int entryIndex = listPref.findIndexOfValue(value); |
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361 if (entryIndex >= 0) value = listPref.getEntries()[entryIndex]; |
| 0 | 362 } |
| 363 | |
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364 if ((value == null) || value.length() == 0)) value = summaries.get(key); |
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365 pref.setSummary(value); |
| 0 | 366 } |
| 367 } | |
| 368 | |
| 369 private void initCharsetPref(final ListPreference charsetPref) { | |
| 370 charsetPref.setEntryValues(CharsetHolder.getCharsetIds()); | |
| 371 charsetPref.setEntries(CharsetHolder.getCharsetNames()); | |
| 372 } | |
| 373 | |
| 374 public void onSharedPreferenceChanged(SharedPreferences sharedPreferences, String key) { | |
| 375 // update values on changed preference | |
| 376 this.updateSummaries(); | |
| 377 | |
| 378 // Our CursorPreferenceHack always send null keys, so try to set charset anyway | |
| 379 if (hostBridge != null) | |
| 380 hostBridge.setCharset(sharedPreferences | |
| 381 .getString(HostDatabase.FIELD_HOST_ENCODING, HostDatabase.ENCODING_DEFAULT)); | |
| 382 } | |
| 383 | |
| 384 public static class CharsetHolder { | |
| 385 private static boolean initialized = false; | |
| 386 | |
| 387 private static CharSequence[] charsetIds; | |
| 388 private static CharSequence[] charsetNames; | |
| 389 | |
| 390 public static CharSequence[] getCharsetNames() { | |
| 391 if (charsetNames == null) | |
| 392 initialize(); | |
| 393 | |
| 394 return charsetNames; | |
| 395 } | |
| 396 | |
| 397 public static CharSequence[] getCharsetIds() { | |
| 398 if (charsetIds == null) | |
| 399 initialize(); | |
| 400 | |
| 401 return charsetIds; | |
| 402 } | |
| 403 | |
| 404 private synchronized static void initialize() { | |
| 405 if (initialized) | |
| 406 return; | |
| 407 | |
| 408 List<CharSequence> charsetIdsList = new LinkedList<CharSequence>(); | |
| 409 List<CharSequence> charsetNamesList = new LinkedList<CharSequence>(); | |
| 410 | |
| 411 for (Entry<String, Charset> entry : Charset.availableCharsets().entrySet()) { | |
| 412 Charset c = entry.getValue(); | |
| 413 | |
| 414 if (c.canEncode() && c.isRegistered()) { | |
| 415 String key = entry.getKey(); | |
| 416 | |
| 417 if (key.startsWith("cp")) { | |
| 418 // Custom CP437 charset changes | |
| 419 charsetIdsList.add("CP437"); | |
| 420 charsetNamesList.add("CP437"); | |
| 421 } | |
| 422 | |
| 423 charsetIdsList.add(entry.getKey()); | |
| 424 charsetNamesList.add(c.displayName()); | |
| 425 } | |
| 426 } | |
| 427 | |
| 428 charsetIds = charsetIdsList.toArray(new CharSequence[charsetIdsList.size()]); | |
| 429 charsetNames = charsetNamesList.toArray(new CharSequence[charsetNamesList.size()]); | |
| 430 initialized = true; | |
| 431 } | |
| 432 | |
| 433 public static boolean isInitialized() { | |
| 434 return initialized; | |
| 435 } | |
| 436 } | |
| 437 } |