1 /* 2 * 3 * Licensed under the Apache License, Version 2.0 (the "License"); you may not 4 * use this file except in compliance with the License. You may obtain a copy of 5 * the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT 11 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the 12 * License for the specific language governing permissions and limitations under 13 * the License. 14 */ 15 16 package com.android.server; 17 18 import com.android.internal.content.PackageMonitor; 19 import com.android.internal.os.AtomicFile; 20 import com.android.internal.os.HandlerCaller; 21 import com.android.internal.util.FastXmlSerializer; 22 import com.android.internal.view.IInputContext; 23 import com.android.internal.view.IInputMethod; 24 import com.android.internal.view.IInputMethodCallback; 25 import com.android.internal.view.IInputMethodClient; 26 import com.android.internal.view.IInputMethodManager; 27 import com.android.internal.view.IInputMethodSession; 28 import com.android.internal.view.InputBindResult; 29 import com.android.server.EventLogTags; 30 import com.android.server.wm.WindowManagerService; 31 32 import org.xmlpull.v1.XmlPullParser; 33 import org.xmlpull.v1.XmlPullParserException; 34 import org.xmlpull.v1.XmlSerializer; 35 36 import android.app.ActivityManagerNative; 37 import android.app.AlertDialog; 38 import android.app.KeyguardManager; 39 import android.app.Notification; 40 import android.app.NotificationManager; 41 import android.app.PendingIntent; 42 import android.content.BroadcastReceiver; 43 import android.content.ComponentName; 44 import android.content.ContentResolver; 45 import android.content.Context; 46 import android.content.DialogInterface; 47 import android.content.DialogInterface.OnCancelListener; 48 import android.content.Intent; 49 import android.content.IntentFilter; 50 import android.content.ServiceConnection; 51 import android.content.pm.ApplicationInfo; 52 import android.content.pm.PackageManager; 53 import android.content.pm.PackageManager.NameNotFoundException; 54 import android.content.pm.ResolveInfo; 55 import android.content.pm.ServiceInfo; 56 import android.content.res.Configuration; 57 import android.content.res.Resources; 58 import android.content.res.TypedArray; 59 import android.database.ContentObserver; 60 import android.inputmethodservice.InputMethodService; 61 import android.os.Binder; 62 import android.os.Environment; 63 import android.os.Handler; 64 import android.os.IBinder; 65 import android.os.IInterface; 66 import android.os.Message; 67 import android.os.Parcel; 68 import android.os.RemoteException; 69 import android.os.ResultReceiver; 70 import android.os.ServiceManager; 71 import android.os.SystemClock; 72 import android.provider.Settings; 73 import android.provider.Settings.Secure; 74 import android.provider.Settings.SettingNotFoundException; 75 import android.text.TextUtils; 76 import android.text.style.SuggestionSpan; 77 import android.util.EventLog; 78 import android.util.LruCache; 79 import android.util.Pair; 80 import android.util.PrintWriterPrinter; 81 import android.util.Printer; 82 import android.util.Slog; 83 import android.util.Xml; 84 import android.view.IWindowManager; 85 import android.view.LayoutInflater; 86 import android.view.View; 87 import android.view.ViewGroup; 88 import android.view.WindowManager; 89 import android.view.inputmethod.EditorInfo; 90 import android.view.inputmethod.InputBinding; 91 import android.view.inputmethod.InputMethod; 92 import android.view.inputmethod.InputMethodInfo; 93 import android.view.inputmethod.InputMethodManager; 94 import android.view.inputmethod.InputMethodSubtype; 95 import android.widget.ArrayAdapter; 96 import android.widget.CompoundButton; 97 import android.widget.CompoundButton.OnCheckedChangeListener; 98 import android.widget.RadioButton; 99 import android.widget.Switch; 100 import android.widget.TextView; 101 102 import java.io.File; 103 import java.io.FileDescriptor; 104 import java.io.FileInputStream; 105 import java.io.FileOutputStream; 106 import java.io.IOException; 107 import java.io.PrintWriter; 108 import java.util.ArrayList; 109 import java.util.Collections; 110 import java.util.Comparator; 111 import java.util.HashMap; 112 import java.util.HashSet; 113 import java.util.List; 114 import java.util.Locale; 115 import java.util.TreeMap; 116 117 /** 118 * This class provides a system service that manages input methods. 119 */ 120 public class InputMethodManagerService extends IInputMethodManager.Stub 121 implements ServiceConnection, Handler.Callback { 122 static final boolean DEBUG = false; 123 static final String TAG = "InputMethodManagerService"; 124 125 static final int MSG_SHOW_IM_PICKER = 1; 126 static final int MSG_SHOW_IM_SUBTYPE_PICKER = 2; 127 static final int MSG_SHOW_IM_SUBTYPE_ENABLER = 3; 128 static final int MSG_SHOW_IM_CONFIG = 4; 129 130 static final int MSG_UNBIND_INPUT = 1000; 131 static final int MSG_BIND_INPUT = 1010; 132 static final int MSG_SHOW_SOFT_INPUT = 1020; 133 static final int MSG_HIDE_SOFT_INPUT = 1030; 134 static final int MSG_ATTACH_TOKEN = 1040; 135 static final int MSG_CREATE_SESSION = 1050; 136 137 static final int MSG_START_INPUT = 2000; 138 static final int MSG_RESTART_INPUT = 2010; 139 140 static final int MSG_UNBIND_METHOD = 3000; 141 static final int MSG_BIND_METHOD = 3010; 142 static final int MSG_SET_ACTIVE = 3020; 143 144 static final int MSG_HARD_KEYBOARD_SWITCH_CHANGED = 4000; 145 146 static final long TIME_TO_RECONNECT = 10*1000; 147 148 static final int SECURE_SUGGESTION_SPANS_MAX_SIZE = 20; 149 150 private static final int NOT_A_SUBTYPE_ID = -1; 151 private static final String NOT_A_SUBTYPE_ID_STR = String.valueOf(NOT_A_SUBTYPE_ID); 152 private static final String SUBTYPE_MODE_KEYBOARD = "keyboard"; 153 private static final String SUBTYPE_MODE_VOICE = "voice"; 154 private static final String TAG_TRY_SUPPRESSING_IME_SWITCHER = "TrySuppressingImeSwitcher"; 155 private static final String TAG_ENABLED_WHEN_DEFAULT_IS_NOT_ASCII_CAPABLE = 156 "EnabledWhenDefaultIsNotAsciiCapable"; 157 private static final String TAG_ASCII_CAPABLE = "AsciiCapable"; 158 private static final Locale ENGLISH_LOCALE = new Locale("en"); 159 160 final Context mContext; 161 final Resources mRes; 162 final Handler mHandler; 163 final InputMethodSettings mSettings; 164 final SettingsObserver mSettingsObserver; 165 final IWindowManager mIWindowManager; 166 final HandlerCaller mCaller; 167 private final InputMethodFileManager mFileManager; 168 private final InputMethodAndSubtypeListManager mImListManager; 169 private final HardKeyboardListener mHardKeyboardListener; 170 private final WindowManagerService mWindowManagerService; 171 172 final InputBindResult mNoBinding = new InputBindResult(null, null, -1); 173 174 // All known input methods. mMethodMap also serves as the global 175 // lock for this class. 176 final ArrayList<InputMethodInfo> mMethodList = new ArrayList<InputMethodInfo>(); 177 final HashMap<String, InputMethodInfo> mMethodMap = new HashMap<String, InputMethodInfo>(); 178 private final LruCache<SuggestionSpan, InputMethodInfo> mSecureSuggestionSpans = 179 new LruCache<SuggestionSpan, InputMethodInfo>(SECURE_SUGGESTION_SPANS_MAX_SIZE); 180 181 // Used to bring IME service up to visible adjustment while it is being shown. 182 final ServiceConnection mVisibleConnection = new ServiceConnection() { 183 @Override public void onServiceConnected(ComponentName name, IBinder service) { 184 } 185 186 @Override public void onServiceDisconnected(ComponentName name) { 187 } 188 }; 189 boolean mVisibleBound = false; 190 191 // Ongoing notification 192 private NotificationManager mNotificationManager; 193 private KeyguardManager mKeyguardManager; 194 private StatusBarManagerService mStatusBar; 195 private Notification mImeSwitcherNotification; 196 private PendingIntent mImeSwitchPendingIntent; 197 private boolean mShowOngoingImeSwitcherForPhones; 198 private boolean mNotificationShown; 199 private final boolean mImeSelectedOnBoot; 200 201 class SessionState { 202 final ClientState client; 203 final IInputMethod method; 204 final IInputMethodSession session; 205 206 @Override 207 public String toString() { 208 return "SessionState{uid " + client.uid + " pid " + client.pid 209 + " method " + Integer.toHexString( 210 System.identityHashCode(method)) 211 + " session " + Integer.toHexString( 212 System.identityHashCode(session)) 213 + "}"; 214 } 215 216 SessionState(ClientState _client, IInputMethod _method, 217 IInputMethodSession _session) { 218 client = _client; 219 method = _method; 220 session = _session; 221 } 222 } 223 224 class ClientState { 225 final IInputMethodClient client; 226 final IInputContext inputContext; 227 final int uid; 228 final int pid; 229 final InputBinding binding; 230 231 boolean sessionRequested; 232 SessionState curSession; 233 234 @Override 235 public String toString() { 236 return "ClientState{" + Integer.toHexString( 237 System.identityHashCode(this)) + " uid " + uid 238 + " pid " + pid + "}"; 239 } 240 241 ClientState(IInputMethodClient _client, IInputContext _inputContext, 242 int _uid, int _pid) { 243 client = _client; 244 inputContext = _inputContext; 245 uid = _uid; 246 pid = _pid; 247 binding = new InputBinding(null, inputContext.asBinder(), uid, pid); 248 } 249 } 250 251 final HashMap<IBinder, ClientState> mClients 252 = new HashMap<IBinder, ClientState>(); 253 254 /** 255 * Set once the system is ready to run third party code. 256 */ 257 boolean mSystemReady; 258 259 /** 260 * Id of the currently selected input method. 261 */ 262 String mCurMethodId; 263 264 /** 265 * The current binding sequence number, incremented every time there is 266 * a new bind performed. 267 */ 268 int mCurSeq; 269 270 /** 271 * The client that is currently bound to an input method. 272 */ 273 ClientState mCurClient; 274 275 /** 276 * The last window token that gained focus. 277 */ 278 IBinder mCurFocusedWindow; 279 280 /** 281 * The input context last provided by the current client. 282 */ 283 IInputContext mCurInputContext; 284 285 /** 286 * The attributes last provided by the current client. 287 */ 288 EditorInfo mCurAttribute; 289 290 /** 291 * The input method ID of the input method service that we are currently 292 * connected to or in the process of connecting to. 293 */ 294 String mCurId; 295 296 /** 297 * The current subtype of the current input method. 298 */ 299 private InputMethodSubtype mCurrentSubtype; 300 301 // This list contains the pairs of InputMethodInfo and InputMethodSubtype. 302 private final HashMap<InputMethodInfo, ArrayList<InputMethodSubtype>> 303 mShortcutInputMethodsAndSubtypes = 304 new HashMap<InputMethodInfo, ArrayList<InputMethodSubtype>>(); 305 306 /** 307 * Set to true if our ServiceConnection is currently actively bound to 308 * a service (whether or not we have gotten its IBinder back yet). 309 */ 310 boolean mHaveConnection; 311 312 /** 313 * Set if the client has asked for the input method to be shown. 314 */ 315 boolean mShowRequested; 316 317 /** 318 * Set if we were explicitly told to show the input method. 319 */ 320 boolean mShowExplicitlyRequested; 321 322 /** 323 * Set if we were forced to be shown. 324 */ 325 boolean mShowForced; 326 327 /** 328 * Set if we last told the input method to show itself. 329 */ 330 boolean mInputShown; 331 332 /** 333 * The Intent used to connect to the current input method. 334 */ 335 Intent mCurIntent; 336 337 /** 338 * The token we have made for the currently active input method, to 339 * identify it in the future. 340 */ 341 IBinder mCurToken; 342 343 /** 344 * If non-null, this is the input method service we are currently connected 345 * to. 346 */ 347 IInputMethod mCurMethod; 348 349 /** 350 * Time that we last initiated a bind to the input method, to determine 351 * if we should try to disconnect and reconnect to it. 352 */ 353 long mLastBindTime; 354 355 /** 356 * Have we called mCurMethod.bindInput()? 357 */ 358 boolean mBoundToMethod; 359 360 /** 361 * Currently enabled session. Only touched by service thread, not 362 * protected by a lock. 363 */ 364 SessionState mEnabledSession; 365 366 /** 367 * True if the screen is on. The value is true initially. 368 */ 369 boolean mScreenOn = true; 370 371 int mBackDisposition = InputMethodService.BACK_DISPOSITION_DEFAULT; 372 int mImeWindowVis; 373 374 private AlertDialog.Builder mDialogBuilder; 375 private AlertDialog mSwitchingDialog; 376 private View mSwitchingDialogTitleView; 377 private InputMethodInfo[] mIms; 378 private int[] mSubtypeIds; 379 private Locale mLastSystemLocale; 380 381 class SettingsObserver extends ContentObserver { 382 SettingsObserver(Handler handler) { 383 super(handler); 384 ContentResolver resolver = mContext.getContentResolver(); 385 resolver.registerContentObserver(Settings.Secure.getUriFor( 386 Settings.Secure.DEFAULT_INPUT_METHOD), false, this); 387 resolver.registerContentObserver(Settings.Secure.getUriFor( 388 Settings.Secure.ENABLED_INPUT_METHODS), false, this); 389 resolver.registerContentObserver(Settings.Secure.getUriFor( 390 Settings.Secure.SELECTED_INPUT_METHOD_SUBTYPE), false, this); 391 } 392 393 @Override public void onChange(boolean selfChange) { 394 synchronized (mMethodMap) { 395 updateFromSettingsLocked(); 396 } 397 } 398 } 399 400 class ScreenOnOffReceiver extends android.content.BroadcastReceiver { 401 @Override 402 public void onReceive(Context context, Intent intent) { 403 if (intent.getAction().equals(Intent.ACTION_SCREEN_ON)) { 404 mScreenOn = true; 405 refreshImeWindowVisibilityLocked(); 406 } else if (intent.getAction().equals(Intent.ACTION_SCREEN_OFF)) { 407 mScreenOn = false; 408 setImeWindowVisibilityStatusHiddenLocked(); 409 } else if (intent.getAction().equals(Intent.ACTION_CLOSE_SYSTEM_DIALOGS)) { 410 hideInputMethodMenu(); 411 return; 412 } else { 413 Slog.w(TAG, "Unexpected intent " + intent); 414 } 415 416 // Inform the current client of the change in active status 417 if (mCurClient != null && mCurClient.client != null) { 418 executeOrSendMessage(mCurClient.client, mCaller.obtainMessageIO( 419 MSG_SET_ACTIVE, mScreenOn ? 1 : 0, mCurClient)); 420 } 421 } 422 } 423 424 class MyPackageMonitor extends PackageMonitor { 425 426 @Override 427 public boolean onHandleForceStop(Intent intent, String[] packages, int uid, boolean doit) { 428 synchronized (mMethodMap) { 429 String curInputMethodId = Settings.Secure.getString(mContext 430 .getContentResolver(), Settings.Secure.DEFAULT_INPUT_METHOD); 431 final int N = mMethodList.size(); 432 if (curInputMethodId != null) { 433 for (int i=0; i<N; i++) { 434 InputMethodInfo imi = mMethodList.get(i); 435 if (imi.getId().equals(curInputMethodId)) { 436 for (String pkg : packages) { 437 if (imi.getPackageName().equals(pkg)) { 438 if (!doit) { 439 return true; 440 } 441 resetSelectedInputMethodAndSubtypeLocked(""); 442 chooseNewDefaultIMELocked(); 443 return true; 444 } 445 } 446 } 447 } 448 } 449 } 450 return false; 451 } 452 453 @Override 454 public void onSomePackagesChanged() { 455 synchronized (mMethodMap) { 456 InputMethodInfo curIm = null; 457 String curInputMethodId = Settings.Secure.getString(mContext 458 .getContentResolver(), Settings.Secure.DEFAULT_INPUT_METHOD); 459 final int N = mMethodList.size(); 460 if (curInputMethodId != null) { 461 for (int i=0; i<N; i++) { 462 InputMethodInfo imi = mMethodList.get(i); 463 final String imiId = imi.getId(); 464 if (imiId.equals(curInputMethodId)) { 465 curIm = imi; 466 } 467 468 int change = isPackageDisappearing(imi.getPackageName()); 469 if (isPackageModified(imi.getPackageName())) { 470 mFileManager.deleteAllInputMethodSubtypes(imiId); 471 } 472 if (change == PACKAGE_TEMPORARY_CHANGE 473 || change == PACKAGE_PERMANENT_CHANGE) { 474 Slog.i(TAG, "Input method uninstalled, disabling: " 475 + imi.getComponent()); 476 setInputMethodEnabledLocked(imi.getId(), false); 477 } 478 } 479 } 480 481 buildInputMethodListLocked(mMethodList, mMethodMap); 482 483 boolean changed = false; 484 485 if (curIm != null) { 486 int change = isPackageDisappearing(curIm.getPackageName()); 487 if (change == PACKAGE_TEMPORARY_CHANGE 488 || change == PACKAGE_PERMANENT_CHANGE) { 489 ServiceInfo si = null; 490 try { 491 si = mContext.getPackageManager().getServiceInfo( 492 curIm.getComponent(), 0); 493 } catch (PackageManager.NameNotFoundException ex) { 494 } 495 if (si == null) { 496 // Uh oh, current input method is no longer around! 497 // Pick another one... 498 Slog.i(TAG, "Current input method removed: " + curInputMethodId); 499 setImeWindowVisibilityStatusHiddenLocked(); 500 if (!chooseNewDefaultIMELocked()) { 501 changed = true; 502 curIm = null; 503 Slog.i(TAG, "Unsetting current input method"); 504 resetSelectedInputMethodAndSubtypeLocked(""); 505 } 506 } 507 } 508 } 509 510 if (curIm == null) { 511 // We currently don't have a default input method... is 512 // one now available? 513 changed = chooseNewDefaultIMELocked(); 514 } 515 516 if (changed) { 517 updateFromSettingsLocked(); 518 } 519 } 520 } 521 } 522 523 private static class MethodCallback extends IInputMethodCallback.Stub { 524 private final IInputMethod mMethod; 525 private final InputMethodManagerService mParentIMMS; 526 527 MethodCallback(final IInputMethod method, final InputMethodManagerService imms) { 528 mMethod = method; 529 mParentIMMS = imms; 530 } 531 532 @Override 533 public void finishedEvent(int seq, boolean handled) throws RemoteException { 534 } 535 536 @Override 537 public void sessionCreated(IInputMethodSession session) throws RemoteException { 538 mParentIMMS.onSessionCreated(mMethod, session); 539 } 540 } 541 542 private class HardKeyboardListener 543 implements WindowManagerService.OnHardKeyboardStatusChangeListener { 544 @Override 545 public void onHardKeyboardStatusChange(boolean available, boolean enabled) { 546 mHandler.sendMessage(mHandler.obtainMessage( 547 MSG_HARD_KEYBOARD_SWITCH_CHANGED, available ? 1 : 0, enabled ? 1 : 0)); 548 } 549 550 public void handleHardKeyboardStatusChange(boolean available, boolean enabled) { 551 if (DEBUG) { 552 Slog.w(TAG, "HardKeyboardStatusChanged: available = " + available + ", enabled = " 553 + enabled); 554 } 555 synchronized(mMethodMap) { 556 if (mSwitchingDialog != null && mSwitchingDialogTitleView != null 557 && mSwitchingDialog.isShowing()) { 558 mSwitchingDialogTitleView.findViewById( 559 com.android.internal.R.id.hard_keyboard_section).setVisibility( 560 available ? View.VISIBLE : View.GONE); 561 } 562 } 563 } 564 } 565 566 public InputMethodManagerService(Context context, WindowManagerService windowManager) { 567 mContext = context; 568 mRes = context.getResources(); 569 mHandler = new Handler(this); 570 mIWindowManager = IWindowManager.Stub.asInterface( 571 ServiceManager.getService(Context.WINDOW_SERVICE)); 572 mCaller = new HandlerCaller(context, new HandlerCaller.Callback() { 573 @Override 574 public void executeMessage(Message msg) { 575 handleMessage(msg); 576 } 577 }); 578 mWindowManagerService = windowManager; 579 mHardKeyboardListener = new HardKeyboardListener(); 580 581 mImeSwitcherNotification = new Notification(); 582 mImeSwitcherNotification.icon = com.android.internal.R.drawable.ic_notification_ime_default; 583 mImeSwitcherNotification.when = 0; 584 mImeSwitcherNotification.flags = Notification.FLAG_ONGOING_EVENT; 585 mImeSwitcherNotification.tickerText = null; 586 mImeSwitcherNotification.defaults = 0; // please be quiet 587 mImeSwitcherNotification.sound = null; 588 mImeSwitcherNotification.vibrate = null; 589 590 // Tag this notification specially so SystemUI knows it's important 591 mImeSwitcherNotification.kind = new String[] { "android.system.imeswitcher" }; 592 593 Intent intent = new Intent(Settings.ACTION_SHOW_INPUT_METHOD_PICKER); 594 mImeSwitchPendingIntent = PendingIntent.getBroadcast(mContext, 0, intent, 0); 595 596 mShowOngoingImeSwitcherForPhones = false; 597 598 synchronized (mMethodMap) { 599 mFileManager = new InputMethodFileManager(mMethodMap); 600 } 601 mImListManager = new InputMethodAndSubtypeListManager(context, this); 602 603 (new MyPackageMonitor()).register(mContext, null, true); 604 605 IntentFilter screenOnOffFilt = new IntentFilter(); 606 screenOnOffFilt.addAction(Intent.ACTION_SCREEN_ON); 607 screenOnOffFilt.addAction(Intent.ACTION_SCREEN_OFF); 608 screenOnOffFilt.addAction(Intent.ACTION_CLOSE_SYSTEM_DIALOGS); 609 mContext.registerReceiver(new ScreenOnOffReceiver(), screenOnOffFilt); 610 611 mNotificationShown = false; 612 613 // mSettings should be created before buildInputMethodListLocked 614 mSettings = new InputMethodSettings( 615 mRes, context.getContentResolver(), mMethodMap, mMethodList); 616 617 // Just checking if defaultImiId is empty or not 618 final String defaultImiId = Settings.Secure.getString( 619 mContext.getContentResolver(), Settings.Secure.DEFAULT_INPUT_METHOD); 620 mImeSelectedOnBoot = !TextUtils.isEmpty(defaultImiId); 621 622 buildInputMethodListLocked(mMethodList, mMethodMap); 623 mSettings.enableAllIMEsIfThereIsNoEnabledIME(); 624 625 if (!mImeSelectedOnBoot) { 626 Slog.w(TAG, "No IME selected. Choose the most applicable IME."); 627 resetDefaultImeLocked(context); 628 } 629 630 mSettingsObserver = new SettingsObserver(mHandler); 631 updateFromSettingsLocked(); 632 633 // IMMS wants to receive Intent.ACTION_LOCALE_CHANGED in order to update the current IME 634 // according to the new system locale. 635 final IntentFilter filter = new IntentFilter(); 636 filter.addAction(Intent.ACTION_LOCALE_CHANGED); 637 mContext.registerReceiver( 638 new BroadcastReceiver() { 639 @Override 640 public void onReceive(Context context, Intent intent) { 641 synchronized(mMethodMap) { 642 checkCurrentLocaleChangedLocked(); 643 } 644 } 645 }, filter); 646 } 647 648 private void checkCurrentLocaleChangedLocked() { 649 if (!mSystemReady) { 650 // not system ready 651 return; 652 } 653 final Locale newLocale = mRes.getConfiguration().locale; 654 if (newLocale != null && !newLocale.equals(mLastSystemLocale)) { 655 if (DEBUG) { 656 Slog.i(TAG, "Locale has been changed to " + newLocale); 657 } 658 buildInputMethodListLocked(mMethodList, mMethodMap); 659 // Reset the current ime to the proper one 660 resetDefaultImeLocked(mContext); 661 updateFromSettingsLocked(); 662 mLastSystemLocale = newLocale; 663 } 664 } 665 666 private void resetDefaultImeLocked(Context context) { 667 // Do not reset the default (current) IME when it is a 3rd-party IME 668 if (mCurMethodId != null && !isSystemIme(mMethodMap.get(mCurMethodId))) { 669 return; 670 } 671 672 InputMethodInfo defIm = null; 673 for (InputMethodInfo imi : mMethodList) { 674 if (defIm == null) { 675 if (isValidSystemDefaultIme(imi, context)) { 676 defIm = imi; 677 Slog.i(TAG, "Selected default: " + imi.getId()); 678 } 679 } 680 } 681 if (defIm == null && mMethodList.size() > 0) { 682 defIm = getMostApplicableDefaultIMELocked(); 683 Slog.i(TAG, "No default found, using " + defIm.getId()); 684 } 685 if (defIm != null) { 686 setSelectedInputMethodAndSubtypeLocked(defIm, NOT_A_SUBTYPE_ID, false); 687 } 688 } 689 690 private boolean isValidSystemDefaultIme(InputMethodInfo imi, Context context) { 691 if (!mSystemReady) { 692 return false; 693 } 694 if (!isSystemIme(imi)) { 695 return false; 696 } 697 if (imi.getIsDefaultResourceId() != 0) { 698 try { 699 Resources res = context.createPackageContext( 700 imi.getPackageName(), 0).getResources(); 701 if (res.getBoolean(imi.getIsDefaultResourceId()) 702 && containsSubtypeOf(imi, context.getResources().getConfiguration(). 703 locale.getLanguage())) { 704 return true; 705 } 706 } catch (PackageManager.NameNotFoundException ex) { 707 } catch (Resources.NotFoundException ex) { 708 } 709 } 710 if (imi.getSubtypeCount() == 0) { 711 Slog.w(TAG, "Found no subtypes in a system IME: " + imi.getPackageName()); 712 } 713 return false; 714 } 715 716 private static boolean isSystemImeThatHasEnglishSubtype(InputMethodInfo imi) { 717 if (!isSystemIme(imi)) { 718 return false; 719 } 720 return containsSubtypeOf(imi, ENGLISH_LOCALE.getLanguage()); 721 } 722 723 private static boolean containsSubtypeOf(InputMethodInfo imi, String language) { 724 final int N = imi.getSubtypeCount(); 725 for (int i = 0; i < N; ++i) { 726 if (imi.getSubtypeAt(i).getLocale().startsWith(language)) { 727 return true; 728 } 729 } 730 return false; 731 } 732 733 @Override 734 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 735 throws RemoteException { 736 try { 737 return super.onTransact(code, data, reply, flags); 738 } catch (RuntimeException e) { 739 // The input method manager only throws security exceptions, so let's 740 // log all others. 741 if (!(e instanceof SecurityException)) { 742 Slog.e(TAG, "Input Method Manager Crash", e); 743 } 744 throw e; 745 } 746 } 747 748 public void systemReady(StatusBarManagerService statusBar) { 749 synchronized (mMethodMap) { 750 if (!mSystemReady) { 751 mSystemReady = true; 752 mKeyguardManager = (KeyguardManager) 753 mContext.getSystemService(Context.KEYGUARD_SERVICE); 754 mNotificationManager = (NotificationManager) 755 mContext.getSystemService(Context.NOTIFICATION_SERVICE); 756 mStatusBar = statusBar; 757 statusBar.setIconVisibility("ime", false); 758 updateImeWindowStatusLocked(); 759 mShowOngoingImeSwitcherForPhones = mRes.getBoolean( 760 com.android.internal.R.bool.show_ongoing_ime_switcher); 761 if (mShowOngoingImeSwitcherForPhones) { 762 mWindowManagerService.setOnHardKeyboardStatusChangeListener( 763 mHardKeyboardListener); 764 } 765 buildInputMethodListLocked(mMethodList, mMethodMap); 766 if (!mImeSelectedOnBoot) { 767 Slog.w(TAG, "Reset the default IME as \"Resource\" is ready here."); 768 checkCurrentLocaleChangedLocked(); 769 } 770 mLastSystemLocale = mRes.getConfiguration().locale; 771 try { 772 startInputInnerLocked(); 773 } catch (RuntimeException e) { 774 Slog.w(TAG, "Unexpected exception", e); 775 } 776 } 777 } 778 } 779 780 private void setImeWindowVisibilityStatusHiddenLocked() { 781 mImeWindowVis = 0; 782 updateImeWindowStatusLocked(); 783 } 784 785 private void refreshImeWindowVisibilityLocked() { 786 final Configuration conf = mRes.getConfiguration(); 787 final boolean haveHardKeyboard = conf.keyboard 788 != Configuration.KEYBOARD_NOKEYS; 789 final boolean hardKeyShown = haveHardKeyboard 790 && conf.hardKeyboardHidden 791 != Configuration.HARDKEYBOARDHIDDEN_YES; 792 final boolean isScreenLocked = mKeyguardManager != null 793 && mKeyguardManager.isKeyguardLocked() 794 && mKeyguardManager.isKeyguardSecure(); 795 mImeWindowVis = (!isScreenLocked && (mInputShown || hardKeyShown)) ? 796 (InputMethodService.IME_ACTIVE | InputMethodService.IME_VISIBLE) : 0; 797 updateImeWindowStatusLocked(); 798 } 799 800 private void updateImeWindowStatusLocked() { 801 setImeWindowStatus(mCurToken, mImeWindowVis, mBackDisposition); 802 } 803 804 @Override 805 public List<InputMethodInfo> getInputMethodList() { 806 synchronized (mMethodMap) { 807 return new ArrayList<InputMethodInfo>(mMethodList); 808 } 809 } 810 811 @Override 812 public List<InputMethodInfo> getEnabledInputMethodList() { 813 synchronized (mMethodMap) { 814 return mSettings.getEnabledInputMethodListLocked(); 815 } 816 } 817 818 private HashMap<InputMethodInfo, List<InputMethodSubtype>> 819 getExplicitlyOrImplicitlyEnabledInputMethodsAndSubtypeListLocked() { 820 HashMap<InputMethodInfo, List<InputMethodSubtype>> enabledInputMethodAndSubtypes = 821 new HashMap<InputMethodInfo, List<InputMethodSubtype>>(); 822 for (InputMethodInfo imi: getEnabledInputMethodList()) { 823 enabledInputMethodAndSubtypes.put( 824 imi, getEnabledInputMethodSubtypeListLocked(imi, true)); 825 } 826 return enabledInputMethodAndSubtypes; 827 } 828 829 public List<InputMethodSubtype> getEnabledInputMethodSubtypeListLocked(InputMethodInfo imi, 830 boolean allowsImplicitlySelectedSubtypes) { 831 if (imi == null && mCurMethodId != null) { 832 imi = mMethodMap.get(mCurMethodId); 833 } 834 List<InputMethodSubtype> enabledSubtypes = 835 mSettings.getEnabledInputMethodSubtypeListLocked(imi); 836 if (allowsImplicitlySelectedSubtypes && enabledSubtypes.isEmpty()) { 837 enabledSubtypes = getImplicitlyApplicableSubtypesLocked(mRes, imi); 838 } 839 return InputMethodSubtype.sort(mContext, 0, imi, enabledSubtypes); 840 } 841 842 @Override 843 public List<InputMethodSubtype> getEnabledInputMethodSubtypeList(InputMethodInfo imi, 844 boolean allowsImplicitlySelectedSubtypes) { 845 synchronized (mMethodMap) { 846 return getEnabledInputMethodSubtypeListLocked(imi, allowsImplicitlySelectedSubtypes); 847 } 848 } 849 850 @Override 851 public void addClient(IInputMethodClient client, 852 IInputContext inputContext, int uid, int pid) { 853 synchronized (mMethodMap) { 854 mClients.put(client.asBinder(), new ClientState(client, 855 inputContext, uid, pid)); 856 } 857 } 858 859 @Override 860 public void removeClient(IInputMethodClient client) { 861 synchronized (mMethodMap) { 862 mClients.remove(client.asBinder()); 863 } 864 } 865 866 void executeOrSendMessage(IInterface target, Message msg) { 867 if (target.asBinder() instanceof Binder) { 868 mCaller.sendMessage(msg); 869 } else { 870 handleMessage(msg); 871 msg.recycle(); 872 } 873 } 874 875 void unbindCurrentClientLocked() { 876 if (mCurClient != null) { 877 if (DEBUG) Slog.v(TAG, "unbindCurrentInputLocked: client = " 878 + mCurClient.client.asBinder()); 879 if (mBoundToMethod) { 880 mBoundToMethod = false; 881 if (mCurMethod != null) { 882 executeOrSendMessage(mCurMethod, mCaller.obtainMessageO( 883 MSG_UNBIND_INPUT, mCurMethod)); 884 } 885 } 886 887 executeOrSendMessage(mCurClient.client, mCaller.obtainMessageIO( 888 MSG_SET_ACTIVE, 0, mCurClient)); 889 executeOrSendMessage(mCurClient.client, mCaller.obtainMessageIO( 890 MSG_UNBIND_METHOD, mCurSeq, mCurClient.client)); 891 mCurClient.sessionRequested = false; 892 mCurClient = null; 893 894 hideInputMethodMenuLocked(); 895 } 896 } 897 898 private int getImeShowFlags() { 899 int flags = 0; 900 if (mShowForced) { 901 flags |= InputMethod.SHOW_FORCED 902 | InputMethod.SHOW_EXPLICIT; 903 } else if (mShowExplicitlyRequested) { 904 flags |= InputMethod.SHOW_EXPLICIT; 905 } 906 return flags; 907 } 908 909 private int getAppShowFlags() { 910 int flags = 0; 911 if (mShowForced) { 912 flags |= InputMethodManager.SHOW_FORCED; 913 } else if (!mShowExplicitlyRequested) { 914 flags |= InputMethodManager.SHOW_IMPLICIT; 915 } 916 return flags; 917 } 918 919 InputBindResult attachNewInputLocked(boolean initial) { 920 if (!mBoundToMethod) { 921 executeOrSendMessage(mCurMethod, mCaller.obtainMessageOO( 922 MSG_BIND_INPUT, mCurMethod, mCurClient.binding)); 923 mBoundToMethod = true; 924 } 925 final SessionState session = mCurClient.curSession; 926 if (initial) { 927 executeOrSendMessage(session.method, mCaller.obtainMessageOOO( 928 MSG_START_INPUT, session, mCurInputContext, mCurAttribute)); 929 } else { 930 executeOrSendMessage(session.method, mCaller.obtainMessageOOO( 931 MSG_RESTART_INPUT, session, mCurInputContext, mCurAttribute)); 932 } 933 if (mShowRequested) { 934 if (DEBUG) Slog.v(TAG, "Attach new input asks to show input"); 935 showCurrentInputLocked(getAppShowFlags(), null); 936 } 937 return new InputBindResult(session.session, mCurId, mCurSeq); 938 } 939 940 InputBindResult startInputLocked(IInputMethodClient client, 941 IInputContext inputContext, EditorInfo attribute, int controlFlags) { 942 // If no method is currently selected, do nothing. 943 if (mCurMethodId == null) { 944 return mNoBinding; 945 } 946 947 ClientState cs = mClients.get(client.asBinder()); 948 if (cs == null) { 949 throw new IllegalArgumentException("unknown client " 950 + client.asBinder()); 951 } 952 953 try { 954 if (!mIWindowManager.inputMethodClientHasFocus(cs.client)) { 955 // Check with the window manager to make sure this client actually 956 // has a window with focus. If not, reject. This is thread safe 957 // because if the focus changes some time before or after, the 958 // next client receiving focus that has any interest in input will 959 // be calling through here after that change happens. 960 Slog.w(TAG, "Starting input on non-focused client " + cs.client 961 + " (uid=" + cs.uid + " pid=" + cs.pid + ")"); 962 return null; 963 } 964 } catch (RemoteException e) { 965 } 966 967 return startInputUncheckedLocked(cs, inputContext, attribute, controlFlags); 968 } 969 970 InputBindResult startInputUncheckedLocked(ClientState cs, 971 IInputContext inputContext, EditorInfo attribute, int controlFlags) { 972 // If no method is currently selected, do nothing. 973 if (mCurMethodId == null) { 974 return mNoBinding; 975 } 976 977 if (mCurClient != cs) { 978 // If the client is changing, we need to switch over to the new 979 // one. 980 unbindCurrentClientLocked(); 981 if (DEBUG) Slog.v(TAG, "switching to client: client = " 982 + cs.client.asBinder()); 983 984 // If the screen is on, inform the new client it is active 985 if (mScreenOn) { 986 executeOrSendMessage(cs.client, mCaller.obtainMessageIO( 987 MSG_SET_ACTIVE, mScreenOn ? 1 : 0, cs)); 988 } 989 } 990 991 // Bump up the sequence for this client and attach it. 992 mCurSeq++; 993 if (mCurSeq <= 0) mCurSeq = 1; 994 mCurClient = cs; 995 mCurInputContext = inputContext; 996 mCurAttribute = attribute; 997 998 // Check if the input method is changing. 999 if (mCurId != null && mCurId.equals(mCurMethodId)) { 1000 if (cs.curSession != null) { 1001 // Fast case: if we are already connected to the input method, 1002 // then just return it. 1003 return attachNewInputLocked( 1004 (controlFlags&InputMethodManager.CONTROL_START_INITIAL) != 0); 1005 } 1006 if (mHaveConnection) { 1007 if (mCurMethod != null) { 1008 if (!cs.sessionRequested) { 1009 cs.sessionRequested = true; 1010 if (DEBUG) Slog.v(TAG, "Creating new session for client " + cs); 1011 executeOrSendMessage(mCurMethod, mCaller.obtainMessageOO( 1012 MSG_CREATE_SESSION, mCurMethod, 1013 new MethodCallback(mCurMethod, this))); 1014 } 1015 // Return to client, and we will get back with it when 1016 // we have had a session made for it. 1017 return new InputBindResult(null, mCurId, mCurSeq); 1018 } else if (SystemClock.uptimeMillis() 1019 < (mLastBindTime+TIME_TO_RECONNECT)) { 1020 // In this case we have connected to the service, but 1021 // don't yet have its interface. If it hasn't been too 1022 // long since we did the connection, we'll return to 1023 // the client and wait to get the service interface so 1024 // we can report back. If it has been too long, we want 1025 // to fall through so we can try a disconnect/reconnect 1026 // to see if we can get back in touch with the service. 1027 return new InputBindResult(null, mCurId, mCurSeq); 1028 } else { 1029 EventLog.writeEvent(EventLogTags.IMF_FORCE_RECONNECT_IME, 1030 mCurMethodId, SystemClock.uptimeMillis()-mLastBindTime, 0); 1031 } 1032 } 1033 } 1034 1035 return startInputInnerLocked(); 1036 } 1037 1038 InputBindResult startInputInnerLocked() { 1039 if (mCurMethodId == null) { 1040 return mNoBinding; 1041 } 1042 1043 if (!mSystemReady) { 1044 // If the system is not yet ready, we shouldn't be running third 1045 // party code. 1046 return new InputBindResult(null, mCurMethodId, mCurSeq); 1047 } 1048 1049 InputMethodInfo info = mMethodMap.get(mCurMethodId); 1050 if (info == null) { 1051 throw new IllegalArgumentException("Unknown id: " + mCurMethodId); 1052 } 1053 1054 unbindCurrentMethodLocked(false); 1055 1056 mCurIntent = new Intent(InputMethod.SERVICE_INTERFACE); 1057 mCurIntent.setComponent(info.getComponent()); 1058 mCurIntent.putExtra(Intent.EXTRA_CLIENT_LABEL, 1059 com.android.internal.R.string.input_method_binding_label); 1060 mCurIntent.putExtra(Intent.EXTRA_CLIENT_INTENT, PendingIntent.getActivity( 1061 mContext, 0, new Intent(Settings.ACTION_INPUT_METHOD_SETTINGS), 0)); 1062 if (mContext.bindService(mCurIntent, this, Context.BIND_AUTO_CREATE 1063 | Context.BIND_NOT_VISIBLE)) { 1064 mLastBindTime = SystemClock.uptimeMillis(); 1065 mHaveConnection = true; 1066 mCurId = info.getId(); 1067 mCurToken = new Binder(); 1068 try { 1069 if (DEBUG) Slog.v(TAG, "Adding window token: " + mCurToken); 1070 mIWindowManager.addWindowToken(mCurToken, 1071 WindowManager.LayoutParams.TYPE_INPUT_METHOD); 1072 } catch (RemoteException e) { 1073 } 1074 return new InputBindResult(null, mCurId, mCurSeq); 1075 } else { 1076 mCurIntent = null; 1077 Slog.w(TAG, "Failure connecting to input method service: " 1078 + mCurIntent); 1079 } 1080 return null; 1081 } 1082 1083 @Override 1084 public InputBindResult startInput(IInputMethodClient client, 1085 IInputContext inputContext, EditorInfo attribute, int controlFlags) { 1086 synchronized (mMethodMap) { 1087 final long ident = Binder.clearCallingIdentity(); 1088 try { 1089 return startInputLocked(client, inputContext, attribute, controlFlags); 1090 } finally { 1091 Binder.restoreCallingIdentity(ident); 1092 } 1093 } 1094 } 1095 1096 @Override 1097 public void finishInput(IInputMethodClient client) { 1098 } 1099 1100 @Override 1101 public void onServiceConnected(ComponentName name, IBinder service) { 1102 synchronized (mMethodMap) { 1103 if (mCurIntent != null && name.equals(mCurIntent.getComponent())) { 1104 mCurMethod = IInputMethod.Stub.asInterface(service); 1105 if (mCurToken == null) { 1106 Slog.w(TAG, "Service connected without a token!"); 1107 unbindCurrentMethodLocked(false); 1108 return; 1109 } 1110 if (DEBUG) Slog.v(TAG, "Initiating attach with token: " + mCurToken); 1111 executeOrSendMessage(mCurMethod, mCaller.obtainMessageOO( 1112 MSG_ATTACH_TOKEN, mCurMethod, mCurToken)); 1113 if (mCurClient != null) { 1114 if (DEBUG) Slog.v(TAG, "Creating first session while with client " 1115 + mCurClient); 1116 executeOrSendMessage(mCurMethod, mCaller.obtainMessageOO( 1117 MSG_CREATE_SESSION, mCurMethod, 1118 new MethodCallback(mCurMethod, this))); 1119 } 1120 } 1121 } 1122 } 1123 1124 void onSessionCreated(IInputMethod method, IInputMethodSession session) { 1125 synchronized (mMethodMap) { 1126 if (mCurMethod != null && method != null 1127 && mCurMethod.asBinder() == method.asBinder()) { 1128 if (mCurClient != null) { 1129 mCurClient.curSession = new SessionState(mCurClient, 1130 method, session); 1131 mCurClient.sessionRequested = false; 1132 InputBindResult res = attachNewInputLocked(true); 1133 if (res.method != null) { 1134 executeOrSendMessage(mCurClient.client, mCaller.obtainMessageOO( 1135 MSG_BIND_METHOD, mCurClient.client, res)); 1136 } 1137 } 1138 } 1139 } 1140 } 1141 1142 void unbindCurrentMethodLocked(boolean reportToClient) { 1143 if (mVisibleBound) { 1144 mContext.unbindService(mVisibleConnection); 1145 mVisibleBound = false; 1146 } 1147 1148 if (mHaveConnection) { 1149 mContext.unbindService(this); 1150 mHaveConnection = false; 1151 } 1152 1153 if (mCurToken != null) { 1154 try { 1155 if (DEBUG) Slog.v(TAG, "Removing window token: " + mCurToken); 1156 if ((mImeWindowVis & InputMethodService.IME_ACTIVE) != 0) { 1157 // The current IME is shown. Hence an IME switch (transition) is happening. 1158 mWindowManagerService.saveLastInputMethodWindowForTransition(); 1159 } 1160 mIWindowManager.removeWindowToken(mCurToken); 1161 } catch (RemoteException e) { 1162 } 1163 mCurToken = null; 1164 } 1165 1166 mCurId = null; 1167 clearCurMethodLocked(); 1168 1169 if (reportToClient && mCurClient != null) { 1170 executeOrSendMessage(mCurClient.client, mCaller.obtainMessageIO( 1171 MSG_UNBIND_METHOD, mCurSeq, mCurClient.client)); 1172 } 1173 } 1174 1175 private void finishSession(SessionState sessionState) { 1176 if (sessionState != null && sessionState.session != null) { 1177 try { 1178 sessionState.session.finishSession(); 1179 } catch (RemoteException e) { 1180 Slog.w(TAG, "Session failed to close due to remote exception", e); 1181 setImeWindowVisibilityStatusHiddenLocked(); 1182 } 1183 } 1184 } 1185 1186 void clearCurMethodLocked() { 1187 if (mCurMethod != null) { 1188 for (ClientState cs : mClients.values()) { 1189 cs.sessionRequested = false; 1190 finishSession(cs.curSession); 1191 cs.curSession = null; 1192 } 1193 1194 finishSession(mEnabledSession); 1195 mEnabledSession = null; 1196 mCurMethod = null; 1197 } 1198 if (mStatusBar != null) { 1199 mStatusBar.setIconVisibility("ime", false); 1200 } 1201 } 1202 1203 @Override 1204 public void onServiceDisconnected(ComponentName name) { 1205 synchronized (mMethodMap) { 1206 if (DEBUG) Slog.v(TAG, "Service disconnected: " + name 1207 + " mCurIntent=" + mCurIntent); 1208 if (mCurMethod != null && mCurIntent != null 1209 && name.equals(mCurIntent.getComponent())) { 1210 clearCurMethodLocked(); 1211 // We consider this to be a new bind attempt, since the system 1212 // should now try to restart the service for us. 1213 mLastBindTime = SystemClock.uptimeMillis(); 1214 mShowRequested = mInputShown; 1215 mInputShown = false; 1216 if (mCurClient != null) { 1217 executeOrSendMessage(mCurClient.client, mCaller.obtainMessageIO( 1218 MSG_UNBIND_METHOD, mCurSeq, mCurClient.client)); 1219 } 1220 } 1221 } 1222 } 1223 1224 @Override 1225 public void updateStatusIcon(IBinder token, String packageName, int iconId) { 1226 int uid = Binder.getCallingUid(); 1227 long ident = Binder.clearCallingIdentity(); 1228 try { 1229 if (token == null || mCurToken != token) { 1230 Slog.w(TAG, "Ignoring setInputMethod of uid " + uid + " token: " + token); 1231 return; 1232 } 1233 1234 synchronized (mMethodMap) { 1235 if (iconId == 0) { 1236 if (DEBUG) Slog.d(TAG, "hide the small icon for the input method"); 1237 if (mStatusBar != null) { 1238 mStatusBar.setIconVisibility("ime", false); 1239 } 1240 } else if (packageName != null) { 1241 if (DEBUG) Slog.d(TAG, "show a small icon for the input method"); 1242 CharSequence contentDescription = null; 1243 try { 1244 PackageManager packageManager = mContext.getPackageManager(); 1245 contentDescription = packageManager.getApplicationLabel( 1246 packageManager.getApplicationInfo(packageName, 0)); 1247 } catch (NameNotFoundException nnfe) { 1248 /* ignore */ 1249 } 1250 if (mStatusBar != null) { 1251 mStatusBar.setIcon("ime", packageName, iconId, 0, 1252 contentDescription != null 1253 ? contentDescription.toString() : null); 1254 mStatusBar.setIconVisibility("ime", true); 1255 } 1256 } 1257 } 1258 } finally { 1259 Binder.restoreCallingIdentity(ident); 1260 } 1261 } 1262 1263 private boolean needsToShowImeSwitchOngoingNotification() { 1264 if (!mShowOngoingImeSwitcherForPhones) return false; 1265 if (isScreenLocked()) return false; 1266 synchronized (mMethodMap) { 1267 List<InputMethodInfo> imis = mSettings.getEnabledInputMethodListLocked(); 1268 final int N = imis.size(); 1269 if (N > 2) return true; 1270 if (N < 1) return false; 1271 int nonAuxCount = 0; 1272 int auxCount = 0; 1273 InputMethodSubtype nonAuxSubtype = null; 1274 InputMethodSubtype auxSubtype = null; 1275 for(int i = 0; i < N; ++i) { 1276 final InputMethodInfo imi = imis.get(i); 1277 final List<InputMethodSubtype> subtypes = getEnabledInputMethodSubtypeListLocked( 1278 imi, true); 1279 final int subtypeCount = subtypes.size(); 1280 if (subtypeCount == 0) { 1281 ++nonAuxCount; 1282 } else { 1283 for (int j = 0; j < subtypeCount; ++j) { 1284 final InputMethodSubtype subtype = subtypes.get(j); 1285 if (!subtype.isAuxiliary()) { 1286 ++nonAuxCount; 1287 nonAuxSubtype = subtype; 1288 } else { 1289 ++auxCount; 1290 auxSubtype = subtype; 1291 } 1292 } 1293 } 1294 } 1295 if (nonAuxCount > 1 || auxCount > 1) { 1296 return true; 1297 } else if (nonAuxCount == 1 && auxCount == 1) { 1298 if (nonAuxSubtype != null && auxSubtype != null 1299 && (nonAuxSubtype.getLocale().equals(auxSubtype.getLocale()) 1300 || auxSubtype.overridesImplicitlyEnabledSubtype() 1301 || nonAuxSubtype.overridesImplicitlyEnabledSubtype()) 1302 && nonAuxSubtype.containsExtraValueKey(TAG_TRY_SUPPRESSING_IME_SWITCHER)) { 1303 return false; 1304 } 1305 return true; 1306 } 1307 return false; 1308 } 1309 } 1310 1311 @SuppressWarnings("deprecation") 1312 @Override 1313 public void setImeWindowStatus(IBinder token, int vis, int backDisposition) { 1314 int uid = Binder.getCallingUid(); 1315 long ident = Binder.clearCallingIdentity(); 1316 try { 1317 if (token == null || mCurToken != token) { 1318 Slog.w(TAG, "Ignoring setImeWindowStatus of uid " + uid + " token: " + token); 1319 return; 1320 } 1321 1322 synchronized (mMethodMap) { 1323 mImeWindowVis = vis; 1324 mBackDisposition = backDisposition; 1325 if (mStatusBar != null) { 1326 mStatusBar.setImeWindowStatus(token, vis, backDisposition); 1327 } 1328 final boolean iconVisibility = (vis & InputMethodService.IME_ACTIVE) != 0; 1329 final InputMethodInfo imi = mMethodMap.get(mCurMethodId); 1330 if (imi != null && iconVisibility && needsToShowImeSwitchOngoingNotification()) { 1331 final PackageManager pm = mContext.getPackageManager(); 1332 final CharSequence title = mRes.getText( 1333 com.android.internal.R.string.select_input_method); 1334 final CharSequence imiLabel = imi.loadLabel(pm); 1335 final CharSequence summary = mCurrentSubtype != null 1336 ? TextUtils.concat(mCurrentSubtype.getDisplayName(mContext, 1337 imi.getPackageName(), imi.getServiceInfo().applicationInfo), 1338 (TextUtils.isEmpty(imiLabel) ? 1339 "" : " - " + imiLabel)) 1340 : imiLabel; 1341 1342 mImeSwitcherNotification.setLatestEventInfo( 1343 mContext, title, summary, mImeSwitchPendingIntent); 1344 if (mNotificationManager != null) { 1345 mNotificationManager.notify( 1346 com.android.internal.R.string.select_input_method, 1347 mImeSwitcherNotification); 1348 mNotificationShown = true; 1349 } 1350 } else { 1351 if (mNotificationShown && mNotificationManager != null) { 1352 mNotificationManager.cancel( 1353 com.android.internal.R.string.select_input_method); 1354 mNotificationShown = false; 1355 } 1356 } 1357 } 1358 } finally { 1359 Binder.restoreCallingIdentity(ident); 1360 } 1361 } 1362 1363 @Override 1364 public void registerSuggestionSpansForNotification(SuggestionSpan[] spans) { 1365 synchronized (mMethodMap) { 1366 final InputMethodInfo currentImi = mMethodMap.get(mCurMethodId); 1367 for (int i = 0; i < spans.length; ++i) { 1368 SuggestionSpan ss = spans[i]; 1369 if (!TextUtils.isEmpty(ss.getNotificationTargetClassName())) { 1370 mSecureSuggestionSpans.put(ss, currentImi); 1371 final InputMethodInfo targetImi = mSecureSuggestionSpans.get(ss); 1372 } 1373 } 1374 } 1375 } 1376 1377 @Override 1378 public boolean notifySuggestionPicked(SuggestionSpan span, String originalString, int index) { 1379 synchronized (mMethodMap) { 1380 final InputMethodInfo targetImi = mSecureSuggestionSpans.get(span); 1381 // TODO: Do not send the intent if the process of the targetImi is already dead. 1382 if (targetImi != null) { 1383 final String[] suggestions = span.getSuggestions(); 1384 if (index < 0 || index >= suggestions.length) return false; 1385 final String className = span.getNotificationTargetClassName(); 1386 final Intent intent = new Intent(); 1387 // Ensures that only a class in the original IME package will receive the 1388 // notification. 1389 intent.setClassName(targetImi.getPackageName(), className); 1390 intent.setAction(SuggestionSpan.ACTION_SUGGESTION_PICKED); 1391 intent.putExtra(SuggestionSpan.SUGGESTION_SPAN_PICKED_BEFORE, originalString); 1392 intent.putExtra(SuggestionSpan.SUGGESTION_SPAN_PICKED_AFTER, suggestions[index]); 1393 intent.putExtra(SuggestionSpan.SUGGESTION_SPAN_PICKED_HASHCODE, span.hashCode()); 1394 mContext.sendBroadcast(intent); 1395 return true; 1396 } 1397 } 1398 return false; 1399 } 1400 1401 void updateFromSettingsLocked() { 1402 // We are assuming that whoever is changing DEFAULT_INPUT_METHOD and 1403 // ENABLED_INPUT_METHODS is taking care of keeping them correctly in 1404 // sync, so we will never have a DEFAULT_INPUT_METHOD that is not 1405 // enabled. 1406 String id = Settings.Secure.getString(mContext.getContentResolver(), 1407 Settings.Secure.DEFAULT_INPUT_METHOD); 1408 // There is no input method selected, try to choose new applicable input method. 1409 if (TextUtils.isEmpty(id) && chooseNewDefaultIMELocked()) { 1410 id = Settings.Secure.getString(mContext.getContentResolver(), 1411 Settings.Secure.DEFAULT_INPUT_METHOD); 1412 } 1413 if (!TextUtils.isEmpty(id)) { 1414 try { 1415 setInputMethodLocked(id, getSelectedInputMethodSubtypeId(id)); 1416 } catch (IllegalArgumentException e) { 1417 Slog.w(TAG, "Unknown input method from prefs: " + id, e); 1418 mCurMethodId = null; 1419 unbindCurrentMethodLocked(true); 1420 } 1421 mShortcutInputMethodsAndSubtypes.clear(); 1422 } else { 1423 // There is no longer an input method set, so stop any current one. 1424 mCurMethodId = null; 1425 unbindCurrentMethodLocked(true); 1426 } 1427 } 1428 1429 /* package */ void setInputMethodLocked(String id, int subtypeId) { 1430 InputMethodInfo info = mMethodMap.get(id); 1431 if (info == null) { 1432 throw new IllegalArgumentException("Unknown id: " + id); 1433 } 1434 1435 // See if we need to notify a subtype change within the same IME. 1436 if (id.equals(mCurMethodId)) { 1437 final int subtypeCount = info.getSubtypeCount(); 1438 if (subtypeCount <= 0) { 1439 return; 1440 } 1441 final InputMethodSubtype oldSubtype = mCurrentSubtype; 1442 final InputMethodSubtype newSubtype; 1443 if (subtypeId >= 0 && subtypeId < subtypeCount) { 1444 newSubtype = info.getSubtypeAt(subtypeId); 1445 } else { 1446 // If subtype is null, try to find the most applicable one from 1447 // getCurrentInputMethodSubtype. 1448 newSubtype = getCurrentInputMethodSubtype(); 1449 } 1450 if (newSubtype == null || oldSubtype == null) { 1451 Slog.w(TAG, "Illegal subtype state: old subtype = " + oldSubtype 1452 + ", new subtype = " + newSubtype); 1453 return; 1454 } 1455 if (newSubtype != oldSubtype) { 1456 setSelectedInputMethodAndSubtypeLocked(info, subtypeId, true); 1457 if (mCurMethod != null) { 1458 try { 1459 refreshImeWindowVisibilityLocked(); 1460 mCurMethod.changeInputMethodSubtype(newSubtype); 1461 } catch (RemoteException e) { 1462 Slog.w(TAG, "Failed to call changeInputMethodSubtype"); 1463 } 1464 } 1465 } 1466 return; 1467 } 1468 1469 // Changing to a different IME. 1470 final long ident = Binder.clearCallingIdentity(); 1471 try { 1472 // Set a subtype to this input method. 1473 // subtypeId the name of a subtype which will be set. 1474 setSelectedInputMethodAndSubtypeLocked(info, subtypeId, false); 1475 // mCurMethodId should be updated after setSelectedInputMethodAndSubtypeLocked() 1476 // because mCurMethodId is stored as a history in 1477 // setSelectedInputMethodAndSubtypeLocked(). 1478 mCurMethodId = id; 1479 1480 if (ActivityManagerNative.isSystemReady()) { 1481 Intent intent = new Intent(Intent.ACTION_INPUT_METHOD_CHANGED); 1482 intent.addFlags(Intent.FLAG_RECEIVER_REPLACE_PENDING); 1483 intent.putExtra("input_method_id", id); 1484 mContext.sendBroadcast(intent); 1485 } 1486 unbindCurrentClientLocked(); 1487 } finally { 1488 Binder.restoreCallingIdentity(ident); 1489 } 1490 } 1491 1492 @Override 1493 public boolean showSoftInput(IInputMethodClient client, int flags, 1494 ResultReceiver resultReceiver) { 1495 int uid = Binder.getCallingUid(); 1496 long ident = Binder.clearCallingIdentity(); 1497 try { 1498 synchronized (mMethodMap) { 1499 if (mCurClient == null || client == null 1500 || mCurClient.client.asBinder() != client.asBinder()) { 1501 try { 1502 // We need to check if this is the current client with 1503 // focus in the window manager, to allow this call to 1504 // be made before input is started in it. 1505 if (!mIWindowManager.inputMethodClientHasFocus(client)) { 1506 Slog.w(TAG, "Ignoring showSoftInput of uid " + uid + ": " + client); 1507 return false; 1508 } 1509 } catch (RemoteException e) { 1510 return false; 1511 } 1512 } 1513 1514 if (DEBUG) Slog.v(TAG, "Client requesting input be shown"); 1515 return showCurrentInputLocked(flags, resultReceiver); 1516 } 1517 } finally { 1518 Binder.restoreCallingIdentity(ident); 1519 } 1520 } 1521 1522 boolean showCurrentInputLocked(int flags, ResultReceiver resultReceiver) { 1523 mShowRequested = true; 1524 if ((flags&InputMethodManager.SHOW_IMPLICIT) == 0) { 1525 mShowExplicitlyRequested = true; 1526 } 1527 if ((flags&InputMethodManager.SHOW_FORCED) != 0) { 1528 mShowExplicitlyRequested = true; 1529 mShowForced = true; 1530 } 1531 1532 if (!mSystemReady) { 1533 return false; 1534 } 1535 1536 boolean res = false; 1537 if (mCurMethod != null) { 1538 executeOrSendMessage(mCurMethod, mCaller.obtainMessageIOO( 1539 MSG_SHOW_SOFT_INPUT, getImeShowFlags(), mCurMethod, 1540 resultReceiver)); 1541 mInputShown = true; 1542 if (mHaveConnection && !mVisibleBound) { 1543 mContext.bindService(mCurIntent, mVisibleConnection, Context.BIND_AUTO_CREATE); 1544 mVisibleBound = true; 1545 } 1546 res = true; 1547 } else if (mHaveConnection && SystemClock.uptimeMillis() 1548 >= (mLastBindTime+TIME_TO_RECONNECT)) { 1549 // The client has asked to have the input method shown, but 1550 // we have been sitting here too long with a connection to the 1551 // service and no interface received, so let's disconnect/connect 1552 // to try to prod things along. 1553 EventLog.writeEvent(EventLogTags.IMF_FORCE_RECONNECT_IME, mCurMethodId, 1554 SystemClock.uptimeMillis()-mLastBindTime,1); 1555 Slog.w(TAG, "Force disconnect/connect to the IME in showCurrentInputLocked()"); 1556 mContext.unbindService(this); 1557 mContext.bindService(mCurIntent, this, Context.BIND_AUTO_CREATE 1558 | Context.BIND_NOT_VISIBLE); 1559 } 1560 1561 return res; 1562 } 1563 1564 @Override 1565 public boolean hideSoftInput(IInputMethodClient client, int flags, 1566 ResultReceiver resultReceiver) { 1567 int uid = Binder.getCallingUid(); 1568 long ident = Binder.clearCallingIdentity(); 1569 try { 1570 synchronized (mMethodMap) { 1571 if (mCurClient == null || client == null 1572 || mCurClient.client.asBinder() != client.asBinder()) { 1573 try { 1574 // We need to check if this is the current client with 1575 // focus in the window manager, to allow this call to 1576 // be made before input is started in it. 1577 if (!mIWindowManager.inputMethodClientHasFocus(client)) { 1578 if (DEBUG) Slog.w(TAG, "Ignoring hideSoftInput of uid " 1579 + uid + ": " + client); 1580 setImeWindowVisibilityStatusHiddenLocked(); 1581 return false; 1582 } 1583 } catch (RemoteException e) { 1584 setImeWindowVisibilityStatusHiddenLocked(); 1585 return false; 1586 } 1587 } 1588 1589 if (DEBUG) Slog.v(TAG, "Client requesting input be hidden"); 1590 return hideCurrentInputLocked(flags, resultReceiver); 1591 } 1592 } finally { 1593 Binder.restoreCallingIdentity(ident); 1594 } 1595 } 1596 1597 boolean hideCurrentInputLocked(int flags, ResultReceiver resultReceiver) { 1598 if ((flags&InputMethodManager.HIDE_IMPLICIT_ONLY) != 0 1599 && (mShowExplicitlyRequested || mShowForced)) { 1600 if (DEBUG) Slog.v(TAG, 1601 "Not hiding: explicit show not cancelled by non-explicit hide"); 1602 return false; 1603 } 1604 if (mShowForced && (flags&InputMethodManager.HIDE_NOT_ALWAYS) != 0) { 1605 if (DEBUG) Slog.v(TAG, 1606 "Not hiding: forced show not cancelled by not-always hide"); 1607 return false; 1608 } 1609 boolean res; 1610 if (mInputShown && mCurMethod != null) { 1611 executeOrSendMessage(mCurMethod, mCaller.obtainMessageOO( 1612 MSG_HIDE_SOFT_INPUT, mCurMethod, resultReceiver)); 1613 res = true; 1614 } else { 1615 res = false; 1616 } 1617 if (mHaveConnection && mVisibleBound) { 1618 mContext.unbindService(mVisibleConnection); 1619 mVisibleBound = false; 1620 } 1621 mInputShown = false; 1622 mShowRequested = false; 1623 mShowExplicitlyRequested = false; 1624 mShowForced = false; 1625 return res; 1626 } 1627 1628 @Override 1629 public InputBindResult windowGainedFocus(IInputMethodClient client, IBinder windowToken, 1630 int controlFlags, int softInputMode, int windowFlags, 1631 EditorInfo attribute, IInputContext inputContext) { 1632 InputBindResult res = null; 1633 long ident = Binder.clearCallingIdentity(); 1634 try { 1635 synchronized (mMethodMap) { 1636 if (DEBUG) Slog.v(TAG, "windowGainedFocus: " + client.asBinder() 1637 + " controlFlags=#" + Integer.toHexString(controlFlags) 1638 + " softInputMode=#" + Integer.toHexString(softInputMode) 1639 + " windowFlags=#" + Integer.toHexString(windowFlags)); 1640 1641 ClientState cs = mClients.get(client.asBinder()); 1642 if (cs == null) { 1643 throw new IllegalArgumentException("unknown client " 1644 + client.asBinder()); 1645 } 1646 1647 try { 1648 if (!mIWindowManager.inputMethodClientHasFocus(cs.client)) { 1649 // Check with the window manager to make sure this client actually 1650 // has a window with focus. If not, reject. This is thread safe 1651 // because if the focus changes some time before or after, the 1652 // next client receiving focus that has any interest in input will 1653 // be calling through here after that change happens. 1654 Slog.w(TAG, "Focus gain on non-focused client " + cs.client 1655 + " (uid=" + cs.uid + " pid=" + cs.pid + ")"); 1656 return null; 1657 } 1658 } catch (RemoteException e) { 1659 } 1660 1661 if (mCurFocusedWindow == windowToken) { 1662 Slog.w(TAG, "Window already focused, ignoring focus gain of: " + client 1663 + " attribute=" + attribute); 1664 if (attribute != null) { 1665 return startInputUncheckedLocked(cs, inputContext, attribute, 1666 controlFlags); 1667 } 1668 return null; 1669 } 1670 mCurFocusedWindow = windowToken; 1671 1672 // Should we auto-show the IME even if the caller has not 1673 // specified what should be done with it? 1674 // We only do this automatically if the window can resize 1675 // to accommodate the IME (so what the user sees will give 1676 // them good context without input information being obscured 1677 // by the IME) or if running on a large screen where there 1678 // is more room for the target window + IME. 1679 final boolean doAutoShow = 1680 (softInputMode & WindowManager.LayoutParams.SOFT_INPUT_MASK_ADJUST) 1681 == WindowManager.LayoutParams.SOFT_INPUT_ADJUST_RESIZE 1682 || mRes.getConfiguration().isLayoutSizeAtLeast( 1683 Configuration.SCREENLAYOUT_SIZE_LARGE); 1684 final boolean isTextEditor = 1685 (controlFlags&InputMethodManager.CONTROL_WINDOW_IS_TEXT_EDITOR) != 0; 1686 1687 // We want to start input before showing the IME, but after closing 1688 // it. We want to do this after closing it to help the IME disappear 1689 // more quickly (not get stuck behind it initializing itself for the 1690 // new focused input, even if its window wants to hide the IME). 1691 boolean didStart = false; 1692 1693 switch (softInputMode&WindowManager.LayoutParams.SOFT_INPUT_MASK_STATE) { 1694 case WindowManager.LayoutParams.SOFT_INPUT_STATE_UNSPECIFIED: 1695 if (!isTextEditor || !doAutoShow) { 1696 if (WindowManager.LayoutParams.mayUseInputMethod(windowFlags)) { 1697 // There is no focus view, and this window will 1698 // be behind any soft input window, so hide the 1699 // soft input window if it is shown. 1700 if (DEBUG) Slog.v(TAG, "Unspecified window will hide input"); 1701 hideCurrentInputLocked(InputMethodManager.HIDE_NOT_ALWAYS, null); 1702 } 1703 } else if (isTextEditor && doAutoShow && (softInputMode & 1704 WindowManager.LayoutParams.SOFT_INPUT_IS_FORWARD_NAVIGATION) != 0) { 1705 // There is a focus view, and we are navigating forward 1706 // into the window, so show the input window for the user. 1707 // We only do this automatically if the window can resize 1708 // to accommodate the IME (so what the user sees will give 1709 // them good context without input information being obscured 1710 // by the IME) or if running on a large screen where there 1711 // is more room for the target window + IME. 1712 if (DEBUG) Slog.v(TAG, "Unspecified window will show input"); 1713 if (attribute != null) { 1714 res = startInputUncheckedLocked(cs, inputContext, attribute, 1715 controlFlags); 1716 didStart = true; 1717 } 1718 showCurrentInputLocked(InputMethodManager.SHOW_IMPLICIT, null); 1719 } 1720 break; 1721 case WindowManager.LayoutParams.SOFT_INPUT_STATE_UNCHANGED: 1722 // Do nothing. 1723 break; 1724 case WindowManager.LayoutParams.SOFT_INPUT_STATE_HIDDEN: 1725 if ((softInputMode & 1726 WindowManager.LayoutParams.SOFT_INPUT_IS_FORWARD_NAVIGATION) != 0) { 1727 if (DEBUG) Slog.v(TAG, "Window asks to hide input going forward"); 1728 hideCurrentInputLocked(0, null); 1729 } 1730 break; 1731 case WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_HIDDEN: 1732 if (DEBUG) Slog.v(TAG, "Window asks to hide input"); 1733 hideCurrentInputLocked(0, null); 1734 break; 1735 case WindowManager.LayoutParams.SOFT_INPUT_STATE_VISIBLE: 1736 if ((softInputMode & 1737 WindowManager.LayoutParams.SOFT_INPUT_IS_FORWARD_NAVIGATION) != 0) { 1738 if (DEBUG) Slog.v(TAG, "Window asks to show input going forward"); 1739 if (attribute != null) { 1740 res = startInputUncheckedLocked(cs, inputContext, attribute, 1741 controlFlags); 1742 didStart = true; 1743 } 1744 showCurrentInputLocked(InputMethodManager.SHOW_IMPLICIT, null); 1745 } 1746 break; 1747 case WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_VISIBLE: 1748 if (DEBUG) Slog.v(TAG, "Window asks to always show input"); 1749 if (attribute != null) { 1750 res = startInputUncheckedLocked(cs, inputContext, attribute, 1751 controlFlags); 1752 didStart = true; 1753 } 1754 showCurrentInputLocked(InputMethodManager.SHOW_IMPLICIT, null); 1755 break; 1756 } 1757 1758 if (!didStart && attribute != null) { 1759 res = startInputUncheckedLocked(cs, inputContext, attribute, 1760 controlFlags); 1761 } 1762 } 1763 } finally { 1764 Binder.restoreCallingIdentity(ident); 1765 } 1766 1767 return res; 1768 } 1769 1770 @Override 1771 public void showInputMethodPickerFromClient(IInputMethodClient client) { 1772 synchronized (mMethodMap) { 1773 if (mCurClient == null || client == null 1774 || mCurClient.client.asBinder() != client.asBinder()) { 1775 Slog.w(TAG, "Ignoring showInputMethodPickerFromClient of uid " 1776 + Binder.getCallingUid() + ": " + client); 1777 } 1778 1779 // Always call subtype picker, because subtype picker is a superset of input method 1780 // picker. 1781 mHandler.sendEmptyMessage(MSG_SHOW_IM_SUBTYPE_PICKER); 1782 } 1783 } 1784 1785 @Override 1786 public void setInputMethod(IBinder token, String id) { 1787 setInputMethodWithSubtypeId(token, id, NOT_A_SUBTYPE_ID); 1788 } 1789 1790 @Override 1791 public void setInputMethodAndSubtype(IBinder token, String id, InputMethodSubtype subtype) { 1792 synchronized (mMethodMap) { 1793 if (subtype != null) { 1794 setInputMethodWithSubtypeId(token, id, getSubtypeIdFromHashCode( 1795 mMethodMap.get(id), subtype.hashCode())); 1796 } else { 1797 setInputMethod(token, id); 1798 } 1799 } 1800 } 1801 1802 @Override 1803 public void showInputMethodAndSubtypeEnablerFromClient( 1804 IInputMethodClient client, String inputMethodId) { 1805 synchronized (mMethodMap) { 1806 if (mCurClient == null || client == null 1807 || mCurClient.client.asBinder() != client.asBinder()) { 1808 Slog.w(TAG, "Ignoring showInputMethodAndSubtypeEnablerFromClient of: " + client); 1809 } 1810 executeOrSendMessage(mCurMethod, mCaller.obtainMessageO( 1811 MSG_SHOW_IM_SUBTYPE_ENABLER, inputMethodId)); 1812 } 1813 } 1814 1815 @Override 1816 public boolean switchToLastInputMethod(IBinder token) { 1817 synchronized (mMethodMap) { 1818 final Pair<String, String> lastIme = mSettings.getLastInputMethodAndSubtypeLocked(); 1819 final InputMethodInfo lastImi; 1820 if (lastIme != null) { 1821 lastImi = mMethodMap.get(lastIme.first); 1822 } else { 1823 lastImi = null; 1824 } 1825 String targetLastImiId = null; 1826 int subtypeId = NOT_A_SUBTYPE_ID; 1827 if (lastIme != null && lastImi != null) { 1828 final boolean imiIdIsSame = lastImi.getId().equals(mCurMethodId); 1829 final int lastSubtypeHash = Integer.valueOf(lastIme.second); 1830 final int currentSubtypeHash = mCurrentSubtype == null ? NOT_A_SUBTYPE_ID 1831 : mCurrentSubtype.hashCode(); 1832 // If the last IME is the same as the current IME and the last subtype is not 1833 // defined, there is no need to switch to the last IME. 1834 if (!imiIdIsSame || lastSubtypeHash != currentSubtypeHash) { 1835 targetLastImiId = lastIme.first; 1836 subtypeId = getSubtypeIdFromHashCode(lastImi, lastSubtypeHash); 1837 } 1838 } 1839 1840 if (TextUtils.isEmpty(targetLastImiId) && !canAddToLastInputMethod(mCurrentSubtype)) { 1841 // This is a safety net. If the currentSubtype can't be added to the history 1842 // and the framework couldn't find the last ime, we will make the last ime be 1843 // the most applicable enabled keyboard subtype of the system imes. 1844 final List<InputMethodInfo> enabled = mSettings.getEnabledInputMethodListLocked(); 1845 if (enabled != null) { 1846 final int N = enabled.size(); 1847 final String locale = mCurrentSubtype == null 1848 ? mRes.getConfiguration().locale.toString() 1849 : mCurrentSubtype.getLocale(); 1850 for (int i = 0; i < N; ++i) { 1851 final InputMethodInfo imi = enabled.get(i); 1852 if (imi.getSubtypeCount() > 0 && isSystemIme(imi)) { 1853 InputMethodSubtype keyboardSubtype = 1854 findLastResortApplicableSubtypeLocked(mRes, getSubtypes(imi), 1855 SUBTYPE_MODE_KEYBOARD, locale, true); 1856 if (keyboardSubtype != null) { 1857 targetLastImiId = imi.getId(); 1858 subtypeId = getSubtypeIdFromHashCode( 1859 imi, keyboardSubtype.hashCode()); 1860 if(keyboardSubtype.getLocale().equals(locale)) { 1861 break; 1862 } 1863 } 1864 } 1865 } 1866 } 1867 } 1868 1869 if (!TextUtils.isEmpty(targetLastImiId)) { 1870 if (DEBUG) { 1871 Slog.d(TAG, "Switch to: " + lastImi.getId() + ", " + lastIme.second 1872 + ", from: " + mCurMethodId + ", " + subtypeId); 1873 } 1874 setInputMethodWithSubtypeId(token, targetLastImiId, subtypeId); 1875 return true; 1876 } else { 1877 return false; 1878 } 1879 } 1880 } 1881 1882 @Override 1883 public boolean switchToNextInputMethod(IBinder token, boolean onlyCurrentIme) { 1884 synchronized (mMethodMap) { 1885 final ImeSubtypeListItem nextSubtype = mImListManager.getNextInputMethod( 1886 onlyCurrentIme, mMethodMap.get(mCurMethodId), mCurrentSubtype); 1887 if (nextSubtype == null) { 1888 return false; 1889 } 1890 setInputMethodWithSubtypeId(token, nextSubtype.mImi.getId(), nextSubtype.mSubtypeId); 1891 return true; 1892 } 1893 } 1894 1895 @Override 1896 public InputMethodSubtype getLastInputMethodSubtype() { 1897 synchronized (mMethodMap) { 1898 final Pair<String, String> lastIme = mSettings.getLastInputMethodAndSubtypeLocked(); 1899 // TODO: Handle the case of the last IME with no subtypes 1900 if (lastIme == null || TextUtils.isEmpty(lastIme.first) 1901 || TextUtils.isEmpty(lastIme.second)) return null; 1902 final InputMethodInfo lastImi = mMethodMap.get(lastIme.first); 1903 if (lastImi == null) return null; 1904 try { 1905 final int lastSubtypeHash = Integer.valueOf(lastIme.second); 1906 final int lastSubtypeId = getSubtypeIdFromHashCode(lastImi, lastSubtypeHash); 1907 if (lastSubtypeId < 0 || lastSubtypeId >= lastImi.getSubtypeCount()) { 1908 return null; 1909 } 1910 return lastImi.getSubtypeAt(lastSubtypeId); 1911 } catch (NumberFormatException e) { 1912 return null; 1913 } 1914 } 1915 } 1916 1917 @Override 1918 public void setAdditionalInputMethodSubtypes(String imiId, InputMethodSubtype[] subtypes) { 1919 // By this IPC call, only a process which shares the same uid with the IME can add 1920 // additional input method subtypes to the IME. 1921 if (TextUtils.isEmpty(imiId) || subtypes == null || subtypes.length == 0) return; 1922 synchronized (mMethodMap) { 1923 final InputMethodInfo imi = mMethodMap.get(imiId); 1924 if (imi == null) return; 1925 final PackageManager pm = mContext.getPackageManager(); 1926 final String[] packageInfos = pm.getPackagesForUid(Binder.getCallingUid()); 1927 if (packageInfos != null) { 1928 final int packageNum = packageInfos.length; 1929 for (int i = 0; i < packageNum; ++i) { 1930 if (packageInfos[i].equals(imi.getPackageName())) { 1931 mFileManager.addInputMethodSubtypes(imi, subtypes); 1932 final long ident = Binder.clearCallingIdentity(); 1933 try { 1934 buildInputMethodListLocked(mMethodList, mMethodMap); 1935 } finally { 1936 Binder.restoreCallingIdentity(ident); 1937 } 1938 return; 1939 } 1940 } 1941 } 1942 } 1943 return; 1944 } 1945 1946 private void setInputMethodWithSubtypeId(IBinder token, String id, int subtypeId) { 1947 synchronized (mMethodMap) { 1948 if (token == null) { 1949 if (mContext.checkCallingOrSelfPermission( 1950 android.Manifest.permission.WRITE_SECURE_SETTINGS) 1951 != PackageManager.PERMISSION_GRANTED) { 1952 throw new SecurityException( 1953 "Using null token requires permission " 1954 + android.Manifest.permission.WRITE_SECURE_SETTINGS); 1955 } 1956 } else if (mCurToken != token) { 1957 Slog.w(TAG, "Ignoring setInputMethod of uid " + Binder.getCallingUid() 1958 + " token: " + token); 1959 return; 1960 } 1961 1962 final long ident = Binder.clearCallingIdentity(); 1963 try { 1964 setInputMethodLocked(id, subtypeId); 1965 } finally { 1966 Binder.restoreCallingIdentity(ident); 1967 } 1968 } 1969 } 1970 1971 @Override 1972 public void hideMySoftInput(IBinder token, int flags) { 1973 synchronized (mMethodMap) { 1974 if (token == null || mCurToken != token) { 1975 if (DEBUG) Slog.w(TAG, "Ignoring hideInputMethod of uid " 1976 + Binder.getCallingUid() + " token: " + token); 1977 return; 1978 } 1979 long ident = Binder.clearCallingIdentity(); 1980 try { 1981 hideCurrentInputLocked(flags, null); 1982 } finally { 1983 Binder.restoreCallingIdentity(ident); 1984 } 1985 } 1986 } 1987 1988 @Override 1989 public void showMySoftInput(IBinder token, int flags) { 1990 synchronized (mMethodMap) { 1991 if (token == null || mCurToken != token) { 1992 Slog.w(TAG, "Ignoring showMySoftInput of uid " 1993 + Binder.getCallingUid() + " token: " + token); 1994 return; 1995 } 1996 long ident = Binder.clearCallingIdentity(); 1997 try { 1998 showCurrentInputLocked(flags, null); 1999 } finally { 2000 Binder.restoreCallingIdentity(ident); 2001 } 2002 } 2003 } 2004 2005 void setEnabledSessionInMainThread(SessionState session) { 2006 if (mEnabledSession != session) { 2007 if (mEnabledSession != null) { 2008 try { 2009 if (DEBUG) Slog.v(TAG, "Disabling: " + mEnabledSession); 2010 mEnabledSession.method.setSessionEnabled( 2011 mEnabledSession.session, false); 2012 } catch (RemoteException e) { 2013 } 2014 } 2015 mEnabledSession = session; 2016 try { 2017 if (DEBUG) Slog.v(TAG, "Enabling: " + mEnabledSession); 2018 session.method.setSessionEnabled( 2019 session.session, true); 2020 } catch (RemoteException e) { 2021 } 2022 } 2023 } 2024 2025 @Override 2026 public boolean handleMessage(Message msg) { 2027 HandlerCaller.SomeArgs args; 2028 switch (msg.what) { 2029 case MSG_SHOW_IM_PICKER: 2030 showInputMethodMenu(); 2031 return true; 2032 2033 case MSG_SHOW_IM_SUBTYPE_PICKER: 2034 showInputMethodSubtypeMenu(); 2035 return true; 2036 2037 case MSG_SHOW_IM_SUBTYPE_ENABLER: 2038 args = (HandlerCaller.SomeArgs)msg.obj; 2039 showInputMethodAndSubtypeEnabler((String)args.arg1); 2040 return true; 2041 2042 case MSG_SHOW_IM_CONFIG: 2043 showConfigureInputMethods(); 2044 return true; 2045 2046 // --------------------------------------------------------- 2047 2048 case MSG_UNBIND_INPUT: 2049 try { 2050 ((IInputMethod)msg.obj).unbindInput(); 2051 } catch (RemoteException e) { 2052 // There is nothing interesting about the method dying. 2053 } 2054 return true; 2055 case MSG_BIND_INPUT: 2056 args = (HandlerCaller.SomeArgs)msg.obj; 2057 try { 2058 ((IInputMethod)args.arg1).bindInput((InputBinding)args.arg2); 2059 } catch (RemoteException e) { 2060 } 2061 return true; 2062 case MSG_SHOW_SOFT_INPUT: 2063 args = (HandlerCaller.SomeArgs)msg.obj; 2064 try { 2065 ((IInputMethod)args.arg1).showSoftInput(msg.arg1, 2066 (ResultReceiver)args.arg2); 2067 } catch (RemoteException e) { 2068 } 2069 return true; 2070 case MSG_HIDE_SOFT_INPUT: 2071 args = (HandlerCaller.SomeArgs)msg.obj; 2072 try { 2073 ((IInputMethod)args.arg1).hideSoftInput(0, 2074 (ResultReceiver)args.arg2); 2075 } catch (RemoteException e) { 2076 } 2077 return true; 2078 case MSG_ATTACH_TOKEN: 2079 args = (HandlerCaller.SomeArgs)msg.obj; 2080 try { 2081 if (DEBUG) Slog.v(TAG, "Sending attach of token: " + args.arg2); 2082 ((IInputMethod)args.arg1).attachToken((IBinder)args.arg2); 2083 } catch (RemoteException e) { 2084 } 2085 return true; 2086 case MSG_CREATE_SESSION: 2087 args = (HandlerCaller.SomeArgs)msg.obj; 2088 try { 2089 ((IInputMethod)args.arg1).createSession( 2090 (IInputMethodCallback)args.arg2); 2091 } catch (RemoteException e) { 2092 } 2093 return true; 2094 // --------------------------------------------------------- 2095 2096 case MSG_START_INPUT: 2097 args = (HandlerCaller.SomeArgs)msg.obj; 2098 try { 2099 SessionState session = (SessionState)args.arg1; 2100 setEnabledSessionInMainThread(session); 2101 session.method.startInput((IInputContext)args.arg2, 2102 (EditorInfo)args.arg3); 2103 } catch (RemoteException e) { 2104 } 2105 return true; 2106 case MSG_RESTART_INPUT: 2107 args = (HandlerCaller.SomeArgs)msg.obj; 2108 try { 2109 SessionState session = (SessionState)args.arg1; 2110 setEnabledSessionInMainThread(session); 2111 session.method.restartInput((IInputContext)args.arg2, 2112 (EditorInfo)args.arg3); 2113 } catch (RemoteException e) { 2114 } 2115 return true; 2116 2117 // --------------------------------------------------------- 2118 2119 case MSG_UNBIND_METHOD: 2120 try { 2121 ((IInputMethodClient)msg.obj).onUnbindMethod(msg.arg1); 2122 } catch (RemoteException e) { 2123 // There is nothing interesting about the last client dying. 2124 } 2125 return true; 2126 case MSG_BIND_METHOD: 2127 args = (HandlerCaller.SomeArgs)msg.obj; 2128 try { 2129 ((IInputMethodClient)args.arg1).onBindMethod( 2130 (InputBindResult)args.arg2); 2131 } catch (RemoteException e) { 2132 Slog.w(TAG, "Client died receiving input method " + args.arg2); 2133 } 2134 return true; 2135 case MSG_SET_ACTIVE: 2136 try { 2137 ((ClientState)msg.obj).client.setActive(msg.arg1 != 0); 2138 } catch (RemoteException e) { 2139 Slog.w(TAG, "Got RemoteException sending setActive(false) notification to pid " 2140 + ((ClientState)msg.obj).pid + " uid " 2141 + ((ClientState)msg.obj).uid); 2142 } 2143 return true; 2144 2145 // -------------------------------------------------------------- 2146 case MSG_HARD_KEYBOARD_SWITCH_CHANGED: 2147 mHardKeyboardListener.handleHardKeyboardStatusChange( 2148 msg.arg1 == 1, msg.arg2 == 1); 2149 return true; 2150 } 2151 return false; 2152 } 2153 2154 private static boolean isSystemIme(InputMethodInfo inputMethod) { 2155 return (inputMethod.getServiceInfo().applicationInfo.flags 2156 & ApplicationInfo.FLAG_SYSTEM) != 0; 2157 } 2158 2159 private static ArrayList<InputMethodSubtype> getSubtypes(InputMethodInfo imi) { 2160 ArrayList<InputMethodSubtype> subtypes = new ArrayList<InputMethodSubtype>(); 2161 final int subtypeCount = imi.getSubtypeCount(); 2162 for (int i = 0; i < subtypeCount; ++i) { 2163 subtypes.add(imi.getSubtypeAt(i)); 2164 } 2165 return subtypes; 2166 } 2167 2168 private static ArrayList<InputMethodSubtype> getOverridingImplicitlyEnabledSubtypes( 2169 InputMethodInfo imi, String mode) { 2170 ArrayList<InputMethodSubtype> subtypes = new ArrayList<InputMethodSubtype>(); 2171 final int subtypeCount = imi.getSubtypeCount(); 2172 for (int i = 0; i < subtypeCount; ++i) { 2173 final InputMethodSubtype subtype = imi.getSubtypeAt(i); 2174 if (subtype.overridesImplicitlyEnabledSubtype() && subtype.getMode().equals(mode)) { 2175 subtypes.add(subtype); 2176 } 2177 } 2178 return subtypes; 2179 } 2180 2181 private InputMethodInfo getMostApplicableDefaultIMELocked() { 2182 List<InputMethodInfo> enabled = mSettings.getEnabledInputMethodListLocked(); 2183 if (enabled != null && enabled.size() > 0) { 2184 // We'd prefer to fall back on a system IME, since that is safer. 2185 int i = enabled.size(); 2186 int firstFoundSystemIme = -1; 2187 while (i > 0) { 2188 i--; 2189 final InputMethodInfo imi = enabled.get(i); 2190 if (isSystemImeThatHasEnglishSubtype(imi) && !imi.isAuxiliaryIme()) { 2191 return imi; 2192 } 2193 if (firstFoundSystemIme < 0 && isSystemIme(imi) && !imi.isAuxiliaryIme()) { 2194 firstFoundSystemIme = i; 2195 } 2196 } 2197 return enabled.get(Math.max(firstFoundSystemIme, 0)); 2198 } 2199 return null; 2200 } 2201 2202 private boolean chooseNewDefaultIMELocked() { 2203 final InputMethodInfo imi = getMostApplicableDefaultIMELocked(); 2204 if (imi != null) { 2205 if (DEBUG) { 2206 Slog.d(TAG, "New default IME was selected: " + imi.getId()); 2207 } 2208 resetSelectedInputMethodAndSubtypeLocked(imi.getId()); 2209 return true; 2210 } 2211 2212 return false; 2213 } 2214 2215 void buildInputMethodListLocked(ArrayList<InputMethodInfo> list, 2216 HashMap<String, InputMethodInfo> map) { 2217 list.clear(); 2218 map.clear(); 2219 2220 PackageManager pm = mContext.getPackageManager(); 2221 final Configuration config = mRes.getConfiguration(); 2222 final boolean haveHardKeyboard = config.keyboard == Configuration.KEYBOARD_QWERTY; 2223 String disabledSysImes = Settings.Secure.getString(mContext.getContentResolver(), 2224 Secure.DISABLED_SYSTEM_INPUT_METHODS); 2225 if (disabledSysImes == null) disabledSysImes = ""; 2226 2227 List<ResolveInfo> services = pm.queryIntentServices( 2228 new Intent(InputMethod.SERVICE_INTERFACE), 2229 PackageManager.GET_META_DATA); 2230 2231 final HashMap<String, List<InputMethodSubtype>> additionalSubtypes = 2232 mFileManager.getAllAdditionalInputMethodSubtypes(); 2233 for (int i = 0; i < services.size(); ++i) { 2234 ResolveInfo ri = services.get(i); 2235 ServiceInfo si = ri.serviceInfo; 2236 ComponentName compName = new ComponentName(si.packageName, si.name); 2237 if (!android.Manifest.permission.BIND_INPUT_METHOD.equals( 2238 si.permission)) { 2239 Slog.w(TAG, "Skipping input method " + compName 2240 + ": it does not require the permission " 2241 + android.Manifest.permission.BIND_INPUT_METHOD); 2242 continue; 2243 } 2244 2245 if (DEBUG) Slog.d(TAG, "Checking " + compName); 2246 2247 try { 2248 InputMethodInfo p = new InputMethodInfo(mContext, ri, additionalSubtypes); 2249 list.add(p); 2250 final String id = p.getId(); 2251 map.put(id, p); 2252 2253 // Valid system default IMEs and IMEs that have English subtypes are enabled 2254 // by default, unless there's a hard keyboard and the system IME was explicitly 2255 // disabled 2256 if ((isValidSystemDefaultIme(p, mContext) || isSystemImeThatHasEnglishSubtype(p)) 2257 && (!haveHardKeyboard || disabledSysImes.indexOf(id) < 0)) { 2258 setInputMethodEnabledLocked(id, true); 2259 } 2260 2261 if (DEBUG) { 2262 Slog.d(TAG, "Found a third-party input method " + p); 2263 } 2264 2265 } catch (XmlPullParserException e) { 2266 Slog.w(TAG, "Unable to load input method " + compName, e); 2267 } catch (IOException e) { 2268 Slog.w(TAG, "Unable to load input method " + compName, e); 2269 } 2270 } 2271 2272 final String defaultImiId = Settings.Secure.getString(mContext 2273 .getContentResolver(), Settings.Secure.DEFAULT_INPUT_METHOD); 2274 if (!TextUtils.isEmpty(defaultImiId)) { 2275 if (!map.containsKey(defaultImiId)) { 2276 Slog.w(TAG, "Default IME is uninstalled. Choose new default IME."); 2277 if (chooseNewDefaultIMELocked()) { 2278 updateFromSettingsLocked(); 2279 } 2280 } else { 2281 // Double check that the default IME is certainly enabled. 2282 setInputMethodEnabledLocked(defaultImiId, true); 2283 } 2284 } 2285 } 2286 2287 // ---------------------------------------------------------------------- 2288 2289 private void showInputMethodMenu() { 2290 showInputMethodMenuInternal(false); 2291 } 2292 2293 private void showInputMethodSubtypeMenu() { 2294 showInputMethodMenuInternal(true); 2295 } 2296 2297 private void showInputMethodAndSubtypeEnabler(String inputMethodId) { 2298 Intent intent = new Intent(Settings.ACTION_INPUT_METHOD_SUBTYPE_SETTINGS); 2299 intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK 2300 | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED 2301 | Intent.FLAG_ACTIVITY_CLEAR_TOP); 2302 if (!TextUtils.isEmpty(inputMethodId)) { 2303 intent.putExtra(Settings.EXTRA_INPUT_METHOD_ID, inputMethodId); 2304 } 2305 mContext.startActivity(intent); 2306 } 2307 2308 private void showConfigureInputMethods() { 2309 Intent intent = new Intent(Settings.ACTION_INPUT_METHOD_SETTINGS); 2310 intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK 2311 | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED 2312 | Intent.FLAG_ACTIVITY_CLEAR_TOP); 2313 mContext.startActivity(intent); 2314 } 2315 2316 private boolean isScreenLocked() { 2317 return mKeyguardManager != null 2318 && mKeyguardManager.isKeyguardLocked() && mKeyguardManager.isKeyguardSecure(); 2319 } 2320 private void showInputMethodMenuInternal(boolean showSubtypes) { 2321 if (DEBUG) Slog.v(TAG, "Show switching menu"); 2322 2323 final Context context = mContext; 2324 final PackageManager pm = context.getPackageManager(); 2325 final boolean isScreenLocked = isScreenLocked(); 2326 2327 final String lastInputMethodId = Settings.Secure.getString(context 2328 .getContentResolver(), Settings.Secure.DEFAULT_INPUT_METHOD); 2329 int lastInputMethodSubtypeId = getSelectedInputMethodSubtypeId(lastInputMethodId); 2330 if (DEBUG) Slog.v(TAG, "Current IME: " + lastInputMethodId); 2331 2332 synchronized (mMethodMap) { 2333 final HashMap<InputMethodInfo, List<InputMethodSubtype>> immis = 2334 getExplicitlyOrImplicitlyEnabledInputMethodsAndSubtypeListLocked(); 2335 if (immis == null || immis.size() == 0) { 2336 return; 2337 } 2338 2339 hideInputMethodMenuLocked(); 2340 2341 final List<ImeSubtypeListItem> imList = 2342 mImListManager.getSortedInputMethodAndSubtypeList( 2343 showSubtypes, mInputShown, isScreenLocked); 2344 2345 if (lastInputMethodSubtypeId == NOT_A_SUBTYPE_ID) { 2346 final InputMethodSubtype currentSubtype = getCurrentInputMethodSubtype(); 2347 if (currentSubtype != null) { 2348 final InputMethodInfo currentImi = mMethodMap.get(mCurMethodId); 2349 lastInputMethodSubtypeId = 2350 getSubtypeIdFromHashCode(currentImi, currentSubtype.hashCode()); 2351 } 2352 } 2353 2354 final int N = imList.size(); 2355 mIms = new InputMethodInfo[N]; 2356 mSubtypeIds = new int[N]; 2357 int checkedItem = 0; 2358 for (int i = 0; i < N; ++i) { 2359 final ImeSubtypeListItem item = imList.get(i); 2360 mIms[i] = item.mImi; 2361 mSubtypeIds[i] = item.mSubtypeId; 2362 if (mIms[i].getId().equals(lastInputMethodId)) { 2363 int subtypeId = mSubtypeIds[i]; 2364 if ((subtypeId == NOT_A_SUBTYPE_ID) 2365 || (lastInputMethodSubtypeId == NOT_A_SUBTYPE_ID && subtypeId == 0) 2366 || (subtypeId == lastInputMethodSubtypeId)) { 2367 checkedItem = i; 2368 } 2369 } 2370 } 2371 final TypedArray a = context.obtainStyledAttributes(null, 2372 com.android.internal.R.styleable.DialogPreference, 2373 com.android.internal.R.attr.alertDialogStyle, 0); 2374 mDialogBuilder = new AlertDialog.Builder(context) 2375 .setOnCancelListener(new OnCancelListener() { 2376 @Override 2377 public void onCancel(DialogInterface dialog) { 2378 hideInputMethodMenu(); 2379 } 2380 }) 2381 .setIcon(a.getDrawable( 2382 com.android.internal.R.styleable.DialogPreference_dialogTitle)); 2383 a.recycle(); 2384 final LayoutInflater inflater = 2385 (LayoutInflater)mContext.getSystemService(Context.LAYOUT_INFLATER_SERVICE); 2386 final View tv = inflater.inflate( 2387 com.android.internal.R.layout.input_method_switch_dialog_title, null); 2388 mDialogBuilder.setCustomTitle(tv); 2389 2390 // Setup layout for a toggle switch of the hardware keyboard 2391 mSwitchingDialogTitleView = tv; 2392 mSwitchingDialogTitleView.findViewById( 2393 com.android.internal.R.id.hard_keyboard_section).setVisibility( 2394 mWindowManagerService.isHardKeyboardAvailable() ? 2395 View.VISIBLE : View.GONE); 2396 final Switch hardKeySwitch = ((Switch)mSwitchingDialogTitleView.findViewById( 2397 com.android.internal.R.id.hard_keyboard_switch)); 2398 hardKeySwitch.setChecked(mWindowManagerService.isHardKeyboardEnabled()); 2399 hardKeySwitch.setOnCheckedChangeListener( 2400 new OnCheckedChangeListener() { 2401 @Override 2402 public void onCheckedChanged( 2403 CompoundButton buttonView, boolean isChecked) { 2404 mWindowManagerService.setHardKeyboardEnabled(isChecked); 2405 } 2406 }); 2407 2408 final ImeSubtypeListAdapter adapter = new ImeSubtypeListAdapter(context, 2409 com.android.internal.R.layout.simple_list_item_2_single_choice, imList, 2410 checkedItem); 2411 2412 mDialogBuilder.setSingleChoiceItems(adapter, checkedItem, 2413 new AlertDialog.OnClickListener() { 2414 @Override 2415 public void onClick(DialogInterface dialog, int which) { 2416 synchronized (mMethodMap) { 2417 if (mIms == null || mIms.length <= which 2418 || mSubtypeIds == null || mSubtypeIds.length <= which) { 2419 return; 2420 } 2421 InputMethodInfo im = mIms[which]; 2422 int subtypeId = mSubtypeIds[which]; 2423 hideInputMethodMenu(); 2424 if (im != null) { 2425 if ((subtypeId < 0) 2426 || (subtypeId >= im.getSubtypeCount())) { 2427 subtypeId = NOT_A_SUBTYPE_ID; 2428 } 2429 setInputMethodLocked(im.getId(), subtypeId); 2430 } 2431 } 2432 } 2433 }); 2434 2435 if (showSubtypes && !isScreenLocked) { 2436 mDialogBuilder.setPositiveButton( 2437 com.android.internal.R.string.configure_input_methods, 2438 new DialogInterface.OnClickListener() { 2439 @Override 2440 public void onClick(DialogInterface dialog, int whichButton) { 2441 showConfigureInputMethods(); 2442 } 2443 }); 2444 } 2445 mSwitchingDialog = mDialogBuilder.create(); 2446 mSwitchingDialog.setCanceledOnTouchOutside(true); 2447 mSwitchingDialog.getWindow().setType( 2448 WindowManager.LayoutParams.TYPE_INPUT_METHOD_DIALOG); 2449 mSwitchingDialog.getWindow().getAttributes().setTitle("Select input method"); 2450 mSwitchingDialog.show(); 2451 } 2452 } 2453 2454 private static class ImeSubtypeListItem implements Comparable<ImeSubtypeListItem> { 2455 public final CharSequence mImeName; 2456 public final CharSequence mSubtypeName; 2457 public final InputMethodInfo mImi; 2458 public final int mSubtypeId; 2459 private final boolean mIsSystemLocale; 2460 private final boolean mIsSystemLanguage; 2461 2462 public ImeSubtypeListItem(CharSequence imeName, CharSequence subtypeName, 2463 InputMethodInfo imi, int subtypeId, String subtypeLocale, String systemLocale) { 2464 mImeName = imeName; 2465 mSubtypeName = subtypeName; 2466 mImi = imi; 2467 mSubtypeId = subtypeId; 2468 if (TextUtils.isEmpty(subtypeLocale)) { 2469 mIsSystemLocale = false; 2470 mIsSystemLanguage = false; 2471 } else { 2472 mIsSystemLocale = subtypeLocale.equals(systemLocale); 2473 mIsSystemLanguage = mIsSystemLocale 2474 || subtypeLocale.startsWith(systemLocale.substring(0, 2)); 2475 } 2476 } 2477 2478 @Override 2479 public int compareTo(ImeSubtypeListItem other) { 2480 if (TextUtils.isEmpty(mImeName)) { 2481 return 1; 2482 } 2483 if (TextUtils.isEmpty(other.mImeName)) { 2484 return -1; 2485 } 2486 if (!TextUtils.equals(mImeName, other.mImeName)) { 2487 return mImeName.toString().compareTo(other.mImeName.toString()); 2488 } 2489 if (TextUtils.equals(mSubtypeName, other.mSubtypeName)) { 2490 return 0; 2491 } 2492 if (mIsSystemLocale) { 2493 return -1; 2494 } 2495 if (other.mIsSystemLocale) { 2496 return 1; 2497 } 2498 if (mIsSystemLanguage) { 2499 return -1; 2500 } 2501 if (other.mIsSystemLanguage) { 2502 return 1; 2503 } 2504 if (TextUtils.isEmpty(mSubtypeName)) { 2505 return 1; 2506 } 2507 if (TextUtils.isEmpty(other.mSubtypeName)) { 2508 return -1; 2509 } 2510 return mSubtypeName.toString().compareTo(other.mSubtypeName.toString()); 2511 } 2512 } 2513 2514 private static class ImeSubtypeListAdapter extends ArrayAdapter<ImeSubtypeListItem> { 2515 private final LayoutInflater mInflater; 2516 private final int mTextViewResourceId; 2517 private final List<ImeSubtypeListItem> mItemsList; 2518 private final int mCheckedItem; 2519 public ImeSubtypeListAdapter(Context context, int textViewResourceId, 2520 List<ImeSubtypeListItem> itemsList, int checkedItem) { 2521 super(context, textViewResourceId, itemsList); 2522 mTextViewResourceId = textViewResourceId; 2523 mItemsList = itemsList; 2524 mCheckedItem = checkedItem; 2525 mInflater = (LayoutInflater)context.getSystemService(Context.LAYOUT_INFLATER_SERVICE); 2526 } 2527 2528 @Override 2529 public View getView(int position, View convertView, ViewGroup parent) { 2530 final View view = convertView != null ? convertView 2531 : mInflater.inflate(mTextViewResourceId, null); 2532 if (position < 0 || position >= mItemsList.size()) return view; 2533 final ImeSubtypeListItem item = mItemsList.get(position); 2534 final CharSequence imeName = item.mImeName; 2535 final CharSequence subtypeName = item.mSubtypeName; 2536 final TextView firstTextView = (TextView)view.findViewById(android.R.id.text1); 2537 final TextView secondTextView = (TextView)view.findViewById(android.R.id.text2); 2538 if (TextUtils.isEmpty(subtypeName)) { 2539 firstTextView.setText(imeName); 2540 secondTextView.setVisibility(View.GONE); 2541 } else { 2542 firstTextView.setText(subtypeName); 2543 secondTextView.setText(imeName); 2544 secondTextView.setVisibility(View.VISIBLE); 2545 } 2546 final RadioButton radioButton = 2547 (RadioButton)view.findViewById(com.android.internal.R.id.radio); 2548 radioButton.setChecked(position == mCheckedItem); 2549 return view; 2550 } 2551 } 2552 2553 void hideInputMethodMenu() { 2554 synchronized (mMethodMap) { 2555 hideInputMethodMenuLocked(); 2556 } 2557 } 2558 2559 void hideInputMethodMenuLocked() { 2560 if (DEBUG) Slog.v(TAG, "Hide switching menu"); 2561 2562 if (mSwitchingDialog != null) { 2563 mSwitchingDialog.dismiss(); 2564 mSwitchingDialog = null; 2565 } 2566 2567 mDialogBuilder = null; 2568 mIms = null; 2569 } 2570 2571 // ---------------------------------------------------------------------- 2572 2573 @Override 2574 public boolean setInputMethodEnabled(String id, boolean enabled) { 2575 synchronized (mMethodMap) { 2576 if (mContext.checkCallingOrSelfPermission( 2577 android.Manifest.permission.WRITE_SECURE_SETTINGS) 2578 != PackageManager.PERMISSION_GRANTED) { 2579 throw new SecurityException( 2580 "Requires permission " 2581 + android.Manifest.permission.WRITE_SECURE_SETTINGS); 2582 } 2583 2584 long ident = Binder.clearCallingIdentity(); 2585 try { 2586 return setInputMethodEnabledLocked(id, enabled); 2587 } finally { 2588 Binder.restoreCallingIdentity(ident); 2589 } 2590 } 2591 } 2592 2593 boolean setInputMethodEnabledLocked(String id, boolean enabled) { 2594 // Make sure this is a valid input method. 2595 InputMethodInfo imm = mMethodMap.get(id); 2596 if (imm == null) { 2597 throw new IllegalArgumentException("Unknown id: " + mCurMethodId); 2598 } 2599 2600 List<Pair<String, ArrayList<String>>> enabledInputMethodsList = mSettings 2601 .getEnabledInputMethodsAndSubtypeListLocked(); 2602 2603 if (enabled) { 2604 for (Pair<String, ArrayList<String>> pair: enabledInputMethodsList) { 2605 if (pair.first.equals(id)) { 2606 // We are enabling this input method, but it is already enabled. 2607 // Nothing to do. The previous state was enabled. 2608 return true; 2609 } 2610 } 2611 mSettings.appendAndPutEnabledInputMethodLocked(id, false); 2612 // Previous state was disabled. 2613 return false; 2614 } else { 2615 StringBuilder builder = new StringBuilder(); 2616 if (mSettings.buildAndPutEnabledInputMethodsStrRemovingIdLocked( 2617 builder, enabledInputMethodsList, id)) { 2618 // Disabled input method is currently selected, switch to another one. 2619 String selId = Settings.Secure.getString(mContext.getContentResolver(), 2620 Settings.Secure.DEFAULT_INPUT_METHOD); 2621 if (id.equals(selId) && !chooseNewDefaultIMELocked()) { 2622 Slog.i(TAG, "Can't find new IME, unsetting the current input method."); 2623 resetSelectedInputMethodAndSubtypeLocked(""); 2624 } 2625 // Previous state was enabled. 2626 return true; 2627 } else { 2628 // We are disabling the input method but it is already disabled. 2629 // Nothing to do. The previous state was disabled. 2630 return false; 2631 } 2632 } 2633 } 2634 2635 private boolean canAddToLastInputMethod(InputMethodSubtype subtype) { 2636 if (subtype == null) return true; 2637 return !subtype.isAuxiliary(); 2638 } 2639 2640 private void saveCurrentInputMethodAndSubtypeToHistory() { 2641 String subtypeId = NOT_A_SUBTYPE_ID_STR; 2642 if (mCurrentSubtype != null) { 2643 subtypeId = String.valueOf(mCurrentSubtype.hashCode()); 2644 } 2645 if (canAddToLastInputMethod(mCurrentSubtype)) { 2646 mSettings.addSubtypeToHistory(mCurMethodId, subtypeId); 2647 } 2648 } 2649 2650 private void setSelectedInputMethodAndSubtypeLocked(InputMethodInfo imi, int subtypeId, 2651 boolean setSubtypeOnly) { 2652 // Update the history of InputMethod and Subtype 2653 saveCurrentInputMethodAndSubtypeToHistory(); 2654 2655 // Set Subtype here 2656 if (imi == null || subtypeId < 0) { 2657 mSettings.putSelectedSubtype(NOT_A_SUBTYPE_ID); 2658 mCurrentSubtype = null; 2659 } else { 2660 if (subtypeId < imi.getSubtypeCount()) { 2661 InputMethodSubtype subtype = imi.getSubtypeAt(subtypeId); 2662 mSettings.putSelectedSubtype(subtype.hashCode()); 2663 mCurrentSubtype = subtype; 2664 } else { 2665 mSettings.putSelectedSubtype(NOT_A_SUBTYPE_ID); 2666 // If the subtype is not specified, choose the most applicable one 2667 mCurrentSubtype = getCurrentInputMethodSubtype(); 2668 } 2669 } 2670 2671 // Workaround. 2672 // ASEC is not ready in the IMMS constructor. Accordingly, forward-locked 2673 // IMEs are not recognized and considered uninstalled. 2674 // Actually, we can't move everything after SystemReady because 2675 // IMMS needs to run in the encryption lock screen. So, we just skip changing 2676 // the default IME here and try cheking the default IME again in systemReady(). 2677 // TODO: Do nothing before system ready and implement a separated logic for 2678 // the encryption lock screen. 2679 // TODO: ASEC should be ready before IMMS is instantiated. 2680 if (mSystemReady && !setSubtypeOnly) { 2681 // Set InputMethod here 2682 mSettings.putSelectedInputMethod(imi != null ? imi.getId() : ""); 2683 } 2684 } 2685 2686 private void resetSelectedInputMethodAndSubtypeLocked(String newDefaultIme) { 2687 InputMethodInfo imi = mMethodMap.get(newDefaultIme); 2688 int lastSubtypeId = NOT_A_SUBTYPE_ID; 2689 // newDefaultIme is empty when there is no candidate for the selected IME. 2690 if (imi != null && !TextUtils.isEmpty(newDefaultIme)) { 2691 String subtypeHashCode = mSettings.getLastSubtypeForInputMethodLocked(newDefaultIme); 2692 if (subtypeHashCode != null) { 2693 try { 2694 lastSubtypeId = getSubtypeIdFromHashCode( 2695 imi, Integer.valueOf(subtypeHashCode)); 2696 } catch (NumberFormatException e) { 2697 Slog.w(TAG, "HashCode for subtype looks broken: " + subtypeHashCode, e); 2698 } 2699 } 2700 } 2701 setSelectedInputMethodAndSubtypeLocked(imi, lastSubtypeId, false); 2702 } 2703 2704 private int getSelectedInputMethodSubtypeId(String id) { 2705 InputMethodInfo imi = mMethodMap.get(id); 2706 if (imi == null) { 2707 return NOT_A_SUBTYPE_ID; 2708 } 2709 int subtypeId; 2710 try { 2711 subtypeId = Settings.Secure.getInt(mContext.getContentResolver(), 2712 Settings.Secure.SELECTED_INPUT_METHOD_SUBTYPE); 2713 } catch (SettingNotFoundException e) { 2714 return NOT_A_SUBTYPE_ID; 2715 } 2716 return getSubtypeIdFromHashCode(imi, subtypeId); 2717 } 2718 2719 private static boolean isValidSubtypeId(InputMethodInfo imi, int subtypeHashCode) { 2720 return getSubtypeIdFromHashCode(imi, subtypeHashCode) != NOT_A_SUBTYPE_ID; 2721 } 2722 2723 private static int getSubtypeIdFromHashCode(InputMethodInfo imi, int subtypeHashCode) { 2724 if (imi != null) { 2725 final int subtypeCount = imi.getSubtypeCount(); 2726 for (int i = 0; i < subtypeCount; ++i) { 2727 InputMethodSubtype ims = imi.getSubtypeAt(i); 2728 if (subtypeHashCode == ims.hashCode()) { 2729 return i; 2730 } 2731 } 2732 } 2733 return NOT_A_SUBTYPE_ID; 2734 } 2735 2736 private static ArrayList<InputMethodSubtype> getImplicitlyApplicableSubtypesLocked( 2737 Resources res, InputMethodInfo imi) { 2738 final List<InputMethodSubtype> subtypes = getSubtypes(imi); 2739 final String systemLocale = res.getConfiguration().locale.toString(); 2740 if (TextUtils.isEmpty(systemLocale)) return new ArrayList<InputMethodSubtype>(); 2741 final HashMap<String, InputMethodSubtype> applicableModeAndSubtypesMap = 2742 new HashMap<String, InputMethodSubtype>(); 2743 final int N = subtypes.size(); 2744 for (int i = 0; i < N; ++i) { 2745 // scan overriding implicitly enabled subtypes. 2746 InputMethodSubtype subtype = subtypes.get(i); 2747 if (subtype.overridesImplicitlyEnabledSubtype()) { 2748 final String mode = subtype.getMode(); 2749 if (!applicableModeAndSubtypesMap.containsKey(mode)) { 2750 applicableModeAndSubtypesMap.put(mode, subtype); 2751 } 2752 } 2753 } 2754 if (applicableModeAndSubtypesMap.size() > 0) { 2755 return new ArrayList<InputMethodSubtype>(applicableModeAndSubtypesMap.values()); 2756 } 2757 for (int i = 0; i < N; ++i) { 2758 final InputMethodSubtype subtype = subtypes.get(i); 2759 final String locale = subtype.getLocale(); 2760 final String mode = subtype.getMode(); 2761 // When system locale starts with subtype's locale, that subtype will be applicable 2762 // for system locale 2763 // For instance, it's clearly applicable for cases like system locale = en_US and 2764 // subtype = en, but it is not necessarily considered applicable for cases like system 2765 // locale = en and subtype = en_US. 2766 // We just call systemLocale.startsWith(locale) in this function because there is no 2767 // need to find applicable subtypes aggressively unlike 2768 // findLastResortApplicableSubtypeLocked. 2769 if (systemLocale.startsWith(locale)) { 2770 final InputMethodSubtype applicableSubtype = applicableModeAndSubtypesMap.get(mode); 2771 // If more applicable subtypes are contained, skip. 2772 if (applicableSubtype != null) { 2773 if (systemLocale.equals(applicableSubtype.getLocale())) continue; 2774 if (!systemLocale.equals(locale)) continue; 2775 } 2776 applicableModeAndSubtypesMap.put(mode, subtype); 2777 } 2778 } 2779 final InputMethodSubtype keyboardSubtype 2780 = applicableModeAndSubtypesMap.get(SUBTYPE_MODE_KEYBOARD); 2781 final ArrayList<InputMethodSubtype> applicableSubtypes = new ArrayList<InputMethodSubtype>( 2782 applicableModeAndSubtypesMap.values()); 2783 if (keyboardSubtype != null && !keyboardSubtype.containsExtraValueKey(TAG_ASCII_CAPABLE)) { 2784 for (int i = 0; i < N; ++i) { 2785 final InputMethodSubtype subtype = subtypes.get(i); 2786 final String mode = subtype.getMode(); 2787 if (SUBTYPE_MODE_KEYBOARD.equals(mode) && subtype.containsExtraValueKey( 2788 TAG_ENABLED_WHEN_DEFAULT_IS_NOT_ASCII_CAPABLE)) { 2789 applicableSubtypes.add(subtype); 2790 } 2791 } 2792 } 2793 if (keyboardSubtype == null) { 2794 InputMethodSubtype lastResortKeyboardSubtype = findLastResortApplicableSubtypeLocked( 2795 res, subtypes, SUBTYPE_MODE_KEYBOARD, systemLocale, true); 2796 if (lastResortKeyboardSubtype != null) { 2797 applicableSubtypes.add(lastResortKeyboardSubtype); 2798 } 2799 } 2800 return applicableSubtypes; 2801 } 2802 2803 /** 2804 * If there are no selected subtypes, tries finding the most applicable one according to the 2805 * given locale. 2806 * @param subtypes this function will search the most applicable subtype in subtypes 2807 * @param mode subtypes will be filtered by mode 2808 * @param locale subtypes will be filtered by locale 2809 * @param canIgnoreLocaleAsLastResort if this function can't find the most applicable subtype, 2810 * it will return the first subtype matched with mode 2811 * @return the most applicable subtypeId 2812 */ 2813 private static InputMethodSubtype findLastResortApplicableSubtypeLocked( 2814 Resources res, List<InputMethodSubtype> subtypes, String mode, String locale, 2815 boolean canIgnoreLocaleAsLastResort) { 2816 if (subtypes == null || subtypes.size() == 0) { 2817 return null; 2818 } 2819 if (TextUtils.isEmpty(locale)) { 2820 locale = res.getConfiguration().locale.toString(); 2821 } 2822 final String language = locale.substring(0, 2); 2823 boolean partialMatchFound = false; 2824 InputMethodSubtype applicableSubtype = null; 2825 InputMethodSubtype firstMatchedModeSubtype = null; 2826 final int N = subtypes.size(); 2827 for (int i = 0; i < N; ++i) { 2828 InputMethodSubtype subtype = subtypes.get(i); 2829 final String subtypeLocale = subtype.getLocale(); 2830 // An applicable subtype should match "mode". If mode is null, mode will be ignored, 2831 // and all subtypes with all modes can be candidates. 2832 if (mode == null || subtypes.get(i).getMode().equalsIgnoreCase(mode)) { 2833 if (firstMatchedModeSubtype == null) { 2834 firstMatchedModeSubtype = subtype; 2835 } 2836 if (locale.equals(subtypeLocale)) { 2837 // Exact match (e.g. system locale is "en_US" and subtype locale is "en_US") 2838 applicableSubtype = subtype; 2839 break; 2840 } else if (!partialMatchFound && subtypeLocale.startsWith(language)) { 2841 // Partial match (e.g. system locale is "en_US" and subtype locale is "en") 2842 applicableSubtype = subtype; 2843 partialMatchFound = true; 2844 } 2845 } 2846 } 2847 2848 if (applicableSubtype == null && canIgnoreLocaleAsLastResort) { 2849 return firstMatchedModeSubtype; 2850 } 2851 2852 // The first subtype applicable to the system locale will be defined as the most applicable 2853 // subtype. 2854 if (DEBUG) { 2855 if (applicableSubtype != null) { 2856 Slog.d(TAG, "Applicable InputMethodSubtype was found: " 2857 + applicableSubtype.getMode() + "," + applicableSubtype.getLocale()); 2858 } 2859 } 2860 return applicableSubtype; 2861 } 2862 2863 // If there are no selected shortcuts, tries finding the most applicable ones. 2864 private Pair<InputMethodInfo, InputMethodSubtype> 2865 findLastResortApplicableShortcutInputMethodAndSubtypeLocked(String mode) { 2866 List<InputMethodInfo> imis = mSettings.getEnabledInputMethodListLocked(); 2867 InputMethodInfo mostApplicableIMI = null; 2868 InputMethodSubtype mostApplicableSubtype = null; 2869 boolean foundInSystemIME = false; 2870 2871 // Search applicable subtype for each InputMethodInfo 2872 for (InputMethodInfo imi: imis) { 2873 final String imiId = imi.getId(); 2874 if (foundInSystemIME && !imiId.equals(mCurMethodId)) { 2875 continue; 2876 } 2877 InputMethodSubtype subtype = null; 2878 final List<InputMethodSubtype> enabledSubtypes = 2879 getEnabledInputMethodSubtypeList(imi, true); 2880 // 1. Search by the current subtype's locale from enabledSubtypes. 2881 if (mCurrentSubtype != null) { 2882 subtype = findLastResortApplicableSubtypeLocked( 2883 mRes, enabledSubtypes, mode, mCurrentSubtype.getLocale(), false); 2884 } 2885 // 2. Search by the system locale from enabledSubtypes. 2886 // 3. Search the first enabled subtype matched with mode from enabledSubtypes. 2887 if (subtype == null) { 2888 subtype = findLastResortApplicableSubtypeLocked( 2889 mRes, enabledSubtypes, mode, null, true); 2890 } 2891 final ArrayList<InputMethodSubtype> overridingImplicitlyEnabledSubtypes = 2892 getOverridingImplicitlyEnabledSubtypes(imi, mode); 2893 final ArrayList<InputMethodSubtype> subtypesForSearch = 2894 overridingImplicitlyEnabledSubtypes.isEmpty() 2895 ? getSubtypes(imi) : overridingImplicitlyEnabledSubtypes; 2896 // 4. Search by the current subtype's locale from all subtypes. 2897 if (subtype == null && mCurrentSubtype != null) { 2898 subtype = findLastResortApplicableSubtypeLocked( 2899 mRes, subtypesForSearch, mode, mCurrentSubtype.getLocale(), false); 2900 } 2901 // 5. Search by the system locale from all subtypes. 2902 // 6. Search the first enabled subtype matched with mode from all subtypes. 2903 if (subtype == null) { 2904 subtype = findLastResortApplicableSubtypeLocked( 2905 mRes, subtypesForSearch, mode, null, true); 2906 } 2907 if (subtype != null) { 2908 if (imiId.equals(mCurMethodId)) { 2909 // The current input method is the most applicable IME. 2910 mostApplicableIMI = imi; 2911 mostApplicableSubtype = subtype; 2912 break; 2913 } else if (!foundInSystemIME) { 2914 // The system input method is 2nd applicable IME. 2915 mostApplicableIMI = imi; 2916 mostApplicableSubtype = subtype; 2917 if ((imi.getServiceInfo().applicationInfo.flags 2918 & ApplicationInfo.FLAG_SYSTEM) != 0) { 2919 foundInSystemIME = true; 2920 } 2921 } 2922 } 2923 } 2924 if (DEBUG) { 2925 if (mostApplicableIMI != null) { 2926 Slog.w(TAG, "Most applicable shortcut input method was:" 2927 + mostApplicableIMI.getId()); 2928 if (mostApplicableSubtype != null) { 2929 Slog.w(TAG, "Most applicable shortcut input method subtype was:" 2930 + "," + mostApplicableSubtype.getMode() + "," 2931 + mostApplicableSubtype.getLocale()); 2932 } 2933 } 2934 } 2935 if (mostApplicableIMI != null) { 2936 return new Pair<InputMethodInfo, InputMethodSubtype> (mostApplicableIMI, 2937 mostApplicableSubtype); 2938 } else { 2939 return null; 2940 } 2941 } 2942 2943 /** 2944 * @return Return the current subtype of this input method. 2945 */ 2946 @Override 2947 public InputMethodSubtype getCurrentInputMethodSubtype() { 2948 if (mCurMethodId == null) { 2949 return null; 2950 } 2951 boolean subtypeIsSelected = false; 2952 try { 2953 subtypeIsSelected = Settings.Secure.getInt(mContext.getContentResolver(), 2954 Settings.Secure.SELECTED_INPUT_METHOD_SUBTYPE) != NOT_A_SUBTYPE_ID; 2955 } catch (SettingNotFoundException e) { 2956 } 2957 synchronized (mMethodMap) { 2958 final InputMethodInfo imi = mMethodMap.get(mCurMethodId); 2959 if (imi == null || imi.getSubtypeCount() == 0) { 2960 return null; 2961 } 2962 if (!subtypeIsSelected || mCurrentSubtype == null 2963 || !isValidSubtypeId(imi, mCurrentSubtype.hashCode())) { 2964 int subtypeId = getSelectedInputMethodSubtypeId(mCurMethodId); 2965 if (subtypeId == NOT_A_SUBTYPE_ID) { 2966 // If there are no selected subtypes, the framework will try to find 2967 // the most applicable subtype from explicitly or implicitly enabled 2968 // subtypes. 2969 List<InputMethodSubtype> explicitlyOrImplicitlyEnabledSubtypes = 2970 getEnabledInputMethodSubtypeList(imi, true); 2971 // If there is only one explicitly or implicitly enabled subtype, 2972 // just returns it. 2973 if (explicitlyOrImplicitlyEnabledSubtypes.size() == 1) { 2974 mCurrentSubtype = explicitlyOrImplicitlyEnabledSubtypes.get(0); 2975 } else if (explicitlyOrImplicitlyEnabledSubtypes.size() > 1) { 2976 mCurrentSubtype = findLastResortApplicableSubtypeLocked( 2977 mRes, explicitlyOrImplicitlyEnabledSubtypes, 2978 SUBTYPE_MODE_KEYBOARD, null, true); 2979 if (mCurrentSubtype == null) { 2980 mCurrentSubtype = findLastResortApplicableSubtypeLocked( 2981 mRes, explicitlyOrImplicitlyEnabledSubtypes, null, null, 2982 true); 2983 } 2984 } 2985 } else { 2986 mCurrentSubtype = getSubtypes(imi).get(subtypeId); 2987 } 2988 } 2989 return mCurrentSubtype; 2990 } 2991 } 2992 2993 private void addShortcutInputMethodAndSubtypes(InputMethodInfo imi, 2994 InputMethodSubtype subtype) { 2995 if (mShortcutInputMethodsAndSubtypes.containsKey(imi)) { 2996 mShortcutInputMethodsAndSubtypes.get(imi).add(subtype); 2997 } else { 2998 ArrayList<InputMethodSubtype> subtypes = new ArrayList<InputMethodSubtype>(); 2999 subtypes.add(subtype); 3000 mShortcutInputMethodsAndSubtypes.put(imi, subtypes); 3001 } 3002 } 3003 3004 // TODO: We should change the return type from List to List<Parcelable> 3005 @SuppressWarnings("rawtypes") 3006 @Override 3007 public List getShortcutInputMethodsAndSubtypes() { 3008 synchronized (mMethodMap) { 3009 ArrayList<Object> ret = new ArrayList<Object>(); 3010 if (mShortcutInputMethodsAndSubtypes.size() == 0) { 3011 // If there are no selected shortcut subtypes, the framework will try to find 3012 // the most applicable subtype from all subtypes whose mode is 3013 // SUBTYPE_MODE_VOICE. This is an exceptional case, so we will hardcode the mode. 3014 Pair<InputMethodInfo, InputMethodSubtype> info = 3015 findLastResortApplicableShortcutInputMethodAndSubtypeLocked( 3016 SUBTYPE_MODE_VOICE); 3017 if (info != null) { 3018 ret.add(info.first); 3019 ret.add(info.second); 3020 } 3021 return ret; 3022 } 3023 for (InputMethodInfo imi: mShortcutInputMethodsAndSubtypes.keySet()) { 3024 ret.add(imi); 3025 for (InputMethodSubtype subtype: mShortcutInputMethodsAndSubtypes.get(imi)) { 3026 ret.add(subtype); 3027 } 3028 } 3029 return ret; 3030 } 3031 } 3032 3033 @Override 3034 public boolean setCurrentInputMethodSubtype(InputMethodSubtype subtype) { 3035 synchronized (mMethodMap) { 3036 if (subtype != null && mCurMethodId != null) { 3037 InputMethodInfo imi = mMethodMap.get(mCurMethodId); 3038 int subtypeId = getSubtypeIdFromHashCode(imi, subtype.hashCode()); 3039 if (subtypeId != NOT_A_SUBTYPE_ID) { 3040 setInputMethodLocked(mCurMethodId, subtypeId); 3041 return true; 3042 } 3043 } 3044 return false; 3045 } 3046 } 3047 3048 private static class InputMethodAndSubtypeListManager { 3049 private final Context mContext; 3050 private final PackageManager mPm; 3051 private final InputMethodManagerService mImms; 3052 private final String mSystemLocaleStr; 3053 public InputMethodAndSubtypeListManager(Context context, InputMethodManagerService imms) { 3054 mContext = context; 3055 mPm = context.getPackageManager(); 3056 mImms = imms; 3057 final Locale locale = context.getResources().getConfiguration().locale; 3058 mSystemLocaleStr = locale != null ? locale.toString() : ""; 3059 } 3060 3061 private final TreeMap<InputMethodInfo, List<InputMethodSubtype>> mSortedImmis = 3062 new TreeMap<InputMethodInfo, List<InputMethodSubtype>>( 3063 new Comparator<InputMethodInfo>() { 3064 @Override 3065 public int compare(InputMethodInfo imi1, InputMethodInfo imi2) { 3066 if (imi2 == null) return 0; 3067 if (imi1 == null) return 1; 3068 if (mPm == null) { 3069 return imi1.getId().compareTo(imi2.getId()); 3070 } 3071 CharSequence imiId1 = imi1.loadLabel(mPm) + "/" + imi1.getId(); 3072 CharSequence imiId2 = imi2.loadLabel(mPm) + "/" + imi2.getId(); 3073 return imiId1.toString().compareTo(imiId2.toString()); 3074 } 3075 }); 3076 3077 public ImeSubtypeListItem getNextInputMethod( 3078 boolean onlyCurrentIme, InputMethodInfo imi, InputMethodSubtype subtype) { 3079 if (imi == null) { 3080 return null; 3081 } 3082 final List<ImeSubtypeListItem> imList = getSortedInputMethodAndSubtypeList(); 3083 if (imList.size() <= 1) { 3084 return null; 3085 } 3086 final int N = imList.size(); 3087 final int currentSubtypeId = subtype != null 3088 ? getSubtypeIdFromHashCode(imi, subtype.hashCode()) 3089 : NOT_A_SUBTYPE_ID; 3090 for (int i = 0; i < N; ++i) { 3091 final ImeSubtypeListItem isli = imList.get(i); 3092 if (isli.mImi.equals(imi) && isli.mSubtypeId == currentSubtypeId) { 3093 if (!onlyCurrentIme) { 3094 return imList.get((i + 1) % N); 3095 } 3096 for (int j = 0; j < N - 1; ++j) { 3097 final ImeSubtypeListItem candidate = imList.get((i + j + 1) % N); 3098 if (candidate.mImi.equals(imi)) { 3099 return candidate; 3100 } 3101 } 3102 return null; 3103 } 3104 } 3105 return null; 3106 } 3107 3108 public List<ImeSubtypeListItem> getSortedInputMethodAndSubtypeList() { 3109 return getSortedInputMethodAndSubtypeList(true, false, false); 3110 } 3111 3112 public List<ImeSubtypeListItem> getSortedInputMethodAndSubtypeList(boolean showSubtypes, 3113 boolean inputShown, boolean isScreenLocked) { 3114 final ArrayList<ImeSubtypeListItem> imList = new ArrayList<ImeSubtypeListItem>(); 3115 final HashMap<InputMethodInfo, List<InputMethodSubtype>> immis = 3116 mImms.getExplicitlyOrImplicitlyEnabledInputMethodsAndSubtypeListLocked(); 3117 if (immis == null || immis.size() == 0) { 3118 return Collections.emptyList(); 3119 } 3120 mSortedImmis.clear(); 3121 mSortedImmis.putAll(immis); 3122 for (InputMethodInfo imi : mSortedImmis.keySet()) { 3123 if (imi == null) continue; 3124 List<InputMethodSubtype> explicitlyOrImplicitlyEnabledSubtypeList = immis.get(imi); 3125 HashSet<String> enabledSubtypeSet = new HashSet<String>(); 3126 for (InputMethodSubtype subtype: explicitlyOrImplicitlyEnabledSubtypeList) { 3127 enabledSubtypeSet.add(String.valueOf(subtype.hashCode())); 3128 } 3129 ArrayList<InputMethodSubtype> subtypes = getSubtypes(imi); 3130 final CharSequence imeLabel = imi.loadLabel(mPm); 3131 if (showSubtypes && enabledSubtypeSet.size() > 0) { 3132 final int subtypeCount = imi.getSubtypeCount(); 3133 if (DEBUG) { 3134 Slog.v(TAG, "Add subtypes: " + subtypeCount + ", " + imi.getId()); 3135 } 3136 for (int j = 0; j < subtypeCount; ++j) { 3137 final InputMethodSubtype subtype = imi.getSubtypeAt(j); 3138 final String subtypeHashCode = String.valueOf(subtype.hashCode()); 3139 // We show all enabled IMEs and subtypes when an IME is shown. 3140 if (enabledSubtypeSet.contains(subtypeHashCode) 3141 && ((inputShown && !isScreenLocked) || !subtype.isAuxiliary())) { 3142 final CharSequence subtypeLabel = 3143 subtype.overridesImplicitlyEnabledSubtype() ? null 3144 : subtype.getDisplayName(mContext, imi.getPackageName(), 3145 imi.getServiceInfo().applicationInfo); 3146 imList.add(new ImeSubtypeListItem(imeLabel, subtypeLabel, imi, j, 3147 subtype.getLocale(), mSystemLocaleStr)); 3148 3149 // Removing this subtype from enabledSubtypeSet because we no longer 3150 // need to add an entry of this subtype to imList to avoid duplicated 3151 // entries. 3152 enabledSubtypeSet.remove(subtypeHashCode); 3153 } 3154 } 3155 } else { 3156 imList.add(new ImeSubtypeListItem(imeLabel, null, imi, NOT_A_SUBTYPE_ID, 3157 null, mSystemLocaleStr)); 3158 } 3159 } 3160 Collections.sort(imList); 3161 return imList; 3162 } 3163 } 3164 3165 /** 3166 * Utility class for putting and getting settings for InputMethod 3167 * TODO: Move all putters and getters of settings to this class. 3168 */ 3169 private static class InputMethodSettings { 3170 // The string for enabled input method is saved as follows: 3171 // example: ("ime0;subtype0;subtype1;subtype2:ime1:ime2;subtype0") 3172 private static final char INPUT_METHOD_SEPARATER = ':'; 3173 private static final char INPUT_METHOD_SUBTYPE_SEPARATER = ';'; 3174 private final TextUtils.SimpleStringSplitter mInputMethodSplitter = 3175 new TextUtils.SimpleStringSplitter(INPUT_METHOD_SEPARATER); 3176 3177 private final TextUtils.SimpleStringSplitter mSubtypeSplitter = 3178 new TextUtils.SimpleStringSplitter(INPUT_METHOD_SUBTYPE_SEPARATER); 3179 3180 private final Resources mRes; 3181 private final ContentResolver mResolver; 3182 private final HashMap<String, InputMethodInfo> mMethodMap; 3183 private final ArrayList<InputMethodInfo> mMethodList; 3184 3185 private String mEnabledInputMethodsStrCache; 3186 3187 private static void buildEnabledInputMethodsSettingString( 3188 StringBuilder builder, Pair<String, ArrayList<String>> pair) { 3189 String id = pair.first; 3190 ArrayList<String> subtypes = pair.second; 3191 builder.append(id); 3192 // Inputmethod and subtypes are saved in the settings as follows: 3193 // ime0;subtype0;subtype1:ime1;subtype0:ime2:ime3;subtype0;subtype1 3194 for (String subtypeId: subtypes) { 3195 builder.append(INPUT_METHOD_SUBTYPE_SEPARATER).append(subtypeId); 3196 } 3197 } 3198 3199 public InputMethodSettings( 3200 Resources res, ContentResolver resolver, 3201 HashMap<String, InputMethodInfo> methodMap, ArrayList<InputMethodInfo> methodList) { 3202 mRes = res; 3203 mResolver = resolver; 3204 mMethodMap = methodMap; 3205 mMethodList = methodList; 3206 } 3207 3208 public List<InputMethodInfo> getEnabledInputMethodListLocked() { 3209 return createEnabledInputMethodListLocked( 3210 getEnabledInputMethodsAndSubtypeListLocked()); 3211 } 3212 3213 public List<Pair<InputMethodInfo, ArrayList<String>>> 3214 getEnabledInputMethodAndSubtypeHashCodeListLocked() { 3215 return createEnabledInputMethodAndSubtypeHashCodeListLocked( 3216 getEnabledInputMethodsAndSubtypeListLocked()); 3217 } 3218 3219 public List<InputMethodSubtype> getEnabledInputMethodSubtypeListLocked( 3220 InputMethodInfo imi) { 3221 List<Pair<String, ArrayList<String>>> imsList = 3222 getEnabledInputMethodsAndSubtypeListLocked(); 3223 ArrayList<InputMethodSubtype> enabledSubtypes = 3224 new ArrayList<InputMethodSubtype>(); 3225 if (imi != null) { 3226 for (Pair<String, ArrayList<String>> imsPair : imsList) { 3227 InputMethodInfo info = mMethodMap.get(imsPair.first); 3228 if (info != null && info.getId().equals(imi.getId())) { 3229 final int subtypeCount = info.getSubtypeCount(); 3230 for (int i = 0; i < subtypeCount; ++i) { 3231 InputMethodSubtype ims = info.getSubtypeAt(i); 3232 for (String s: imsPair.second) { 3233 if (String.valueOf(ims.hashCode()).equals(s)) { 3234 enabledSubtypes.add(ims); 3235 } 3236 } 3237 } 3238 break; 3239 } 3240 } 3241 } 3242 return enabledSubtypes; 3243 } 3244 3245 // At the initial boot, the settings for input methods are not set, 3246 // so we need to enable IME in that case. 3247 public void enableAllIMEsIfThereIsNoEnabledIME() { 3248 if (TextUtils.isEmpty(getEnabledInputMethodsStr())) { 3249 StringBuilder sb = new StringBuilder(); 3250 final int N = mMethodList.size(); 3251 for (int i = 0; i < N; i++) { 3252 InputMethodInfo imi = mMethodList.get(i); 3253 Slog.i(TAG, "Adding: " + imi.getId()); 3254 if (i > 0) sb.append(':'); 3255 sb.append(imi.getId()); 3256 } 3257 putEnabledInputMethodsStr(sb.toString()); 3258 } 3259 } 3260 3261 private List<Pair<String, ArrayList<String>>> getEnabledInputMethodsAndSubtypeListLocked() { 3262 ArrayList<Pair<String, ArrayList<String>>> imsList 3263 = new ArrayList<Pair<String, ArrayList<String>>>(); 3264 final String enabledInputMethodsStr = getEnabledInputMethodsStr(); 3265 if (TextUtils.isEmpty(enabledInputMethodsStr)) { 3266 return imsList; 3267 } 3268 mInputMethodSplitter.setString(enabledInputMethodsStr); 3269 while (mInputMethodSplitter.hasNext()) { 3270 String nextImsStr = mInputMethodSplitter.next(); 3271 mSubtypeSplitter.setString(nextImsStr); 3272 if (mSubtypeSplitter.hasNext()) { 3273 ArrayList<String> subtypeHashes = new ArrayList<String>(); 3274 // The first element is ime id. 3275 String imeId = mSubtypeSplitter.next(); 3276 while (mSubtypeSplitter.hasNext()) { 3277 subtypeHashes.add(mSubtypeSplitter.next()); 3278 } 3279 imsList.add(new Pair<String, ArrayList<String>>(imeId, subtypeHashes)); 3280 } 3281 } 3282 return imsList; 3283 } 3284 3285 public void appendAndPutEnabledInputMethodLocked(String id, boolean reloadInputMethodStr) { 3286 if (reloadInputMethodStr) { 3287 getEnabledInputMethodsStr(); 3288 } 3289 if (TextUtils.isEmpty(mEnabledInputMethodsStrCache)) { 3290 // Add in the newly enabled input method. 3291 putEnabledInputMethodsStr(id); 3292 } else { 3293 putEnabledInputMethodsStr( 3294 mEnabledInputMethodsStrCache + INPUT_METHOD_SEPARATER + id); 3295 } 3296 } 3297 3298 /** 3299 * Build and put a string of EnabledInputMethods with removing specified Id. 3300 * @return the specified id was removed or not. 3301 */ 3302 public boolean buildAndPutEnabledInputMethodsStrRemovingIdLocked( 3303 StringBuilder builder, List<Pair<String, ArrayList<String>>> imsList, String id) { 3304 boolean isRemoved = false; 3305 boolean needsAppendSeparator = false; 3306 for (Pair<String, ArrayList<String>> ims: imsList) { 3307 String curId = ims.first; 3308 if (curId.equals(id)) { 3309 // We are disabling this input method, and it is 3310 // currently enabled. Skip it to remove from the 3311 // new list. 3312 isRemoved = true; 3313 } else { 3314 if (needsAppendSeparator) { 3315 builder.append(INPUT_METHOD_SEPARATER); 3316 } else { 3317 needsAppendSeparator = true; 3318 } 3319 buildEnabledInputMethodsSettingString(builder, ims); 3320 } 3321 } 3322 if (isRemoved) { 3323 // Update the setting with the new list of input methods. 3324 putEnabledInputMethodsStr(builder.toString()); 3325 } 3326 return isRemoved; 3327 } 3328 3329 private List<InputMethodInfo> createEnabledInputMethodListLocked( 3330 List<Pair<String, ArrayList<String>>> imsList) { 3331 final ArrayList<InputMethodInfo> res = new ArrayList<InputMethodInfo>(); 3332 for (Pair<String, ArrayList<String>> ims: imsList) { 3333 InputMethodInfo info = mMethodMap.get(ims.first); 3334 if (info != null) { 3335 res.add(info); 3336 } 3337 } 3338 return res; 3339 } 3340 3341 private List<Pair<InputMethodInfo, ArrayList<String>>> 3342 createEnabledInputMethodAndSubtypeHashCodeListLocked( 3343 List<Pair<String, ArrayList<String>>> imsList) { 3344 final ArrayList<Pair<InputMethodInfo, ArrayList<String>>> res 3345 = new ArrayList<Pair<InputMethodInfo, ArrayList<String>>>(); 3346 for (Pair<String, ArrayList<String>> ims : imsList) { 3347 InputMethodInfo info = mMethodMap.get(ims.first); 3348 if (info != null) { 3349 res.add(new Pair<InputMethodInfo, ArrayList<String>>(info, ims.second)); 3350 } 3351 } 3352 return res; 3353 } 3354 3355 private void putEnabledInputMethodsStr(String str) { 3356 Settings.Secure.putString(mResolver, Settings.Secure.ENABLED_INPUT_METHODS, str); 3357 mEnabledInputMethodsStrCache = str; 3358 } 3359 3360 private String getEnabledInputMethodsStr() { 3361 mEnabledInputMethodsStrCache = Settings.Secure.getString( 3362 mResolver, Settings.Secure.ENABLED_INPUT_METHODS); 3363 if (DEBUG) { 3364 Slog.d(TAG, "getEnabledInputMethodsStr: " + mEnabledInputMethodsStrCache); 3365 } 3366 return mEnabledInputMethodsStrCache; 3367 } 3368 3369 private void saveSubtypeHistory( 3370 List<Pair<String, String>> savedImes, String newImeId, String newSubtypeId) { 3371 StringBuilder builder = new StringBuilder(); 3372 boolean isImeAdded = false; 3373 if (!TextUtils.isEmpty(newImeId) && !TextUtils.isEmpty(newSubtypeId)) { 3374 builder.append(newImeId).append(INPUT_METHOD_SUBTYPE_SEPARATER).append( 3375 newSubtypeId); 3376 isImeAdded = true; 3377 } 3378 for (Pair<String, String> ime: savedImes) { 3379 String imeId = ime.first; 3380 String subtypeId = ime.second; 3381 if (TextUtils.isEmpty(subtypeId)) { 3382 subtypeId = NOT_A_SUBTYPE_ID_STR; 3383 } 3384 if (isImeAdded) { 3385 builder.append(INPUT_METHOD_SEPARATER); 3386 } else { 3387 isImeAdded = true; 3388 } 3389 builder.append(imeId).append(INPUT_METHOD_SUBTYPE_SEPARATER).append( 3390 subtypeId); 3391 } 3392 // Remove the last INPUT_METHOD_SEPARATER 3393 putSubtypeHistoryStr(builder.toString()); 3394 } 3395 3396 public void addSubtypeToHistory(String imeId, String subtypeId) { 3397 List<Pair<String, String>> subtypeHistory = loadInputMethodAndSubtypeHistoryLocked(); 3398 for (Pair<String, String> ime: subtypeHistory) { 3399 if (ime.first.equals(imeId)) { 3400 if (DEBUG) { 3401 Slog.v(TAG, "Subtype found in the history: " + imeId + ", " 3402 + ime.second); 3403 } 3404 // We should break here 3405 subtypeHistory.remove(ime); 3406 break; 3407 } 3408 } 3409 if (DEBUG) { 3410 Slog.v(TAG, "Add subtype to the history: " + imeId + ", " + subtypeId); 3411 } 3412 saveSubtypeHistory(subtypeHistory, imeId, subtypeId); 3413 } 3414 3415 private void putSubtypeHistoryStr(String str) { 3416 if (DEBUG) { 3417 Slog.d(TAG, "putSubtypeHistoryStr: " + str); 3418 } 3419 Settings.Secure.putString( 3420 mResolver, Settings.Secure.INPUT_METHODS_SUBTYPE_HISTORY, str); 3421 } 3422 3423 public Pair<String, String> getLastInputMethodAndSubtypeLocked() { 3424 // Gets the first one from the history 3425 return getLastSubtypeForInputMethodLockedInternal(null); 3426 } 3427 3428 public String getLastSubtypeForInputMethodLocked(String imeId) { 3429 Pair<String, String> ime = getLastSubtypeForInputMethodLockedInternal(imeId); 3430 if (ime != null) { 3431 return ime.second; 3432 } else { 3433 return null; 3434 } 3435 } 3436 3437 private Pair<String, String> getLastSubtypeForInputMethodLockedInternal(String imeId) { 3438 List<Pair<String, ArrayList<String>>> enabledImes = 3439 getEnabledInputMethodsAndSubtypeListLocked(); 3440 List<Pair<String, String>> subtypeHistory = loadInputMethodAndSubtypeHistoryLocked(); 3441 for (Pair<String, String> imeAndSubtype : subtypeHistory) { 3442 final String imeInTheHistory = imeAndSubtype.first; 3443 // If imeId is empty, returns the first IME and subtype in the history 3444 if (TextUtils.isEmpty(imeId) || imeInTheHistory.equals(imeId)) { 3445 final String subtypeInTheHistory = imeAndSubtype.second; 3446 final String subtypeHashCode = 3447 getEnabledSubtypeHashCodeForInputMethodAndSubtypeLocked( 3448 enabledImes, imeInTheHistory, subtypeInTheHistory); 3449 if (!TextUtils.isEmpty(subtypeHashCode)) { 3450 if (DEBUG) { 3451 Slog.d(TAG, "Enabled subtype found in the history: " + subtypeHashCode); 3452 } 3453 return new Pair<String, String>(imeInTheHistory, subtypeHashCode); 3454 } 3455 } 3456 } 3457 if (DEBUG) { 3458 Slog.d(TAG, "No enabled IME found in the history"); 3459 } 3460 return null; 3461 } 3462 3463 private String getEnabledSubtypeHashCodeForInputMethodAndSubtypeLocked(List<Pair<String, 3464 ArrayList<String>>> enabledImes, String imeId, String subtypeHashCode) { 3465 for (Pair<String, ArrayList<String>> enabledIme: enabledImes) { 3466 if (enabledIme.first.equals(imeId)) { 3467 final ArrayList<String> explicitlyEnabledSubtypes = enabledIme.second; 3468 final InputMethodInfo imi = mMethodMap.get(imeId); 3469 if (explicitlyEnabledSubtypes.size() == 0) { 3470 // If there are no explicitly enabled subtypes, applicable subtypes are 3471 // enabled implicitly. 3472 // If IME is enabled and no subtypes are enabled, applicable subtypes 3473 // are enabled implicitly, so needs to treat them to be enabled. 3474 if (imi != null && imi.getSubtypeCount() > 0) { 3475 List<InputMethodSubtype> implicitlySelectedSubtypes = 3476 getImplicitlyApplicableSubtypesLocked(mRes, imi); 3477 if (implicitlySelectedSubtypes != null) { 3478 final int N = implicitlySelectedSubtypes.size(); 3479 for (int i = 0; i < N; ++i) { 3480 final InputMethodSubtype st = implicitlySelectedSubtypes.get(i); 3481 if (String.valueOf(st.hashCode()).equals(subtypeHashCode)) { 3482 return subtypeHashCode; 3483 } 3484 } 3485 } 3486 } 3487 } else { 3488 for (String s: explicitlyEnabledSubtypes) { 3489 if (s.equals(subtypeHashCode)) { 3490 // If both imeId and subtypeId are enabled, return subtypeId. 3491 try { 3492 final int hashCode = Integer.valueOf(subtypeHashCode); 3493 // Check whether the subtype id is valid or not 3494 if (isValidSubtypeId(imi, hashCode)) { 3495 return s; 3496 } else { 3497 return NOT_A_SUBTYPE_ID_STR; 3498 } 3499 } catch (NumberFormatException e) { 3500 return NOT_A_SUBTYPE_ID_STR; 3501 } 3502 } 3503 } 3504 } 3505 // If imeId was enabled but subtypeId was disabled. 3506 return NOT_A_SUBTYPE_ID_STR; 3507 } 3508 } 3509 // If both imeId and subtypeId are disabled, return null 3510 return null; 3511 } 3512 3513 private List<Pair<String, String>> loadInputMethodAndSubtypeHistoryLocked() { 3514 ArrayList<Pair<String, String>> imsList = new ArrayList<Pair<String, String>>(); 3515 final String subtypeHistoryStr = getSubtypeHistoryStr(); 3516 if (TextUtils.isEmpty(subtypeHistoryStr)) { 3517 return imsList; 3518 } 3519 mInputMethodSplitter.setString(subtypeHistoryStr); 3520 while (mInputMethodSplitter.hasNext()) { 3521 String nextImsStr = mInputMethodSplitter.next(); 3522 mSubtypeSplitter.setString(nextImsStr); 3523 if (mSubtypeSplitter.hasNext()) { 3524 String subtypeId = NOT_A_SUBTYPE_ID_STR; 3525 // The first element is ime id. 3526 String imeId = mSubtypeSplitter.next(); 3527 while (mSubtypeSplitter.hasNext()) { 3528 subtypeId = mSubtypeSplitter.next(); 3529 break; 3530 } 3531 imsList.add(new Pair<String, String>(imeId, subtypeId)); 3532 } 3533 } 3534 return imsList; 3535 } 3536 3537 private String getSubtypeHistoryStr() { 3538 if (DEBUG) { 3539 Slog.d(TAG, "getSubtypeHistoryStr: " + Settings.Secure.getString( 3540 mResolver, Settings.Secure.INPUT_METHODS_SUBTYPE_HISTORY)); 3541 } 3542 return Settings.Secure.getString( 3543 mResolver, Settings.Secure.INPUT_METHODS_SUBTYPE_HISTORY); 3544 } 3545 3546 public void putSelectedInputMethod(String imeId) { 3547 Settings.Secure.putString(mResolver, Settings.Secure.DEFAULT_INPUT_METHOD, imeId); 3548 } 3549 3550 public void putSelectedSubtype(int subtypeId) { 3551 Settings.Secure.putInt( 3552 mResolver, Settings.Secure.SELECTED_INPUT_METHOD_SUBTYPE, subtypeId); 3553 } 3554 } 3555 3556 private static class InputMethodFileManager { 3557 private static final String SYSTEM_PATH = "system"; 3558 private static final String INPUT_METHOD_PATH = "inputmethod"; 3559 private static final String ADDITIONAL_SUBTYPES_FILE_NAME = "subtypes.xml"; 3560 private static final String NODE_SUBTYPES = "subtypes"; 3561 private static final String NODE_SUBTYPE = "subtype"; 3562 private static final String NODE_IMI = "imi"; 3563 private static final String ATTR_ID = "id"; 3564 private static final String ATTR_LABEL = "label"; 3565 private static final String ATTR_ICON = "icon"; 3566 private static final String ATTR_IME_SUBTYPE_LOCALE = "imeSubtypeLocale"; 3567 private static final String ATTR_IME_SUBTYPE_MODE = "imeSubtypeMode"; 3568 private static final String ATTR_IME_SUBTYPE_EXTRA_VALUE = "imeSubtypeExtraValue"; 3569 private static final String ATTR_IS_AUXILIARY = "isAuxiliary"; 3570 private final AtomicFile mAdditionalInputMethodSubtypeFile; 3571 private final HashMap<String, InputMethodInfo> mMethodMap; 3572 private final HashMap<String, List<InputMethodSubtype>> mSubtypesMap = 3573 new HashMap<String, List<InputMethodSubtype>>(); 3574 public InputMethodFileManager(HashMap<String, InputMethodInfo> methodMap) { 3575 if (methodMap == null) { 3576 throw new NullPointerException("methodMap is null"); 3577 } 3578 mMethodMap = methodMap; 3579 final File systemDir = new File(Environment.getDataDirectory(), SYSTEM_PATH); 3580 final File inputMethodDir = new File(systemDir, INPUT_METHOD_PATH); 3581 if (!inputMethodDir.mkdirs()) { 3582 Slog.w(TAG, "Couldn't create dir.: " + inputMethodDir.getAbsolutePath()); 3583 } 3584 final File subtypeFile = new File(inputMethodDir, ADDITIONAL_SUBTYPES_FILE_NAME); 3585 mAdditionalInputMethodSubtypeFile = new AtomicFile(subtypeFile); 3586 if (!subtypeFile.exists()) { 3587 // If "subtypes.xml" doesn't exist, create a blank file. 3588 writeAdditionalInputMethodSubtypes(mSubtypesMap, mAdditionalInputMethodSubtypeFile, 3589 methodMap); 3590 } else { 3591 readAdditionalInputMethodSubtypes(mSubtypesMap, mAdditionalInputMethodSubtypeFile); 3592 } 3593 } 3594 3595 private void deleteAllInputMethodSubtypes(String imiId) { 3596 synchronized (mMethodMap) { 3597 mSubtypesMap.remove(imiId); 3598 writeAdditionalInputMethodSubtypes(mSubtypesMap, mAdditionalInputMethodSubtypeFile, 3599 mMethodMap); 3600 } 3601 } 3602 3603 public void addInputMethodSubtypes( 3604 InputMethodInfo imi, InputMethodSubtype[] additionalSubtypes) { 3605 synchronized (mMethodMap) { 3606 final ArrayList<InputMethodSubtype> subtypes = new ArrayList<InputMethodSubtype>(); 3607 final int N = additionalSubtypes.length; 3608 for (int i = 0; i < N; ++i) { 3609 final InputMethodSubtype subtype = additionalSubtypes[i]; 3610 if (!subtypes.contains(subtype)) { 3611 subtypes.add(subtype); 3612 } 3613 } 3614 mSubtypesMap.put(imi.getId(), subtypes); 3615 writeAdditionalInputMethodSubtypes(mSubtypesMap, mAdditionalInputMethodSubtypeFile, 3616 mMethodMap); 3617 } 3618 } 3619 3620 public HashMap<String, List<InputMethodSubtype>> getAllAdditionalInputMethodSubtypes() { 3621 synchronized (mMethodMap) { 3622 return mSubtypesMap; 3623 } 3624 } 3625 3626 private static void writeAdditionalInputMethodSubtypes( 3627 HashMap<String, List<InputMethodSubtype>> allSubtypes, AtomicFile subtypesFile, 3628 HashMap<String, InputMethodInfo> methodMap) { 3629 // Safety net for the case that this function is called before methodMap is set. 3630 final boolean isSetMethodMap = methodMap != null && methodMap.size() > 0; 3631 FileOutputStream fos = null; 3632 try { 3633 fos = subtypesFile.startWrite(); 3634 final XmlSerializer out = new FastXmlSerializer(); 3635 out.setOutput(fos, "utf-8"); 3636 out.startDocument(null, true); 3637 out.setFeature("http://xmlpull.org/v1/doc/features.html#indent-output", true); 3638 out.startTag(null, NODE_SUBTYPES); 3639 for (String imiId : allSubtypes.keySet()) { 3640 if (isSetMethodMap && !methodMap.containsKey(imiId)) { 3641 Slog.w(TAG, "IME uninstalled or not valid.: " + imiId); 3642 continue; 3643 } 3644 out.startTag(null, NODE_IMI); 3645 out.attribute(null, ATTR_ID, imiId); 3646 final List<InputMethodSubtype> subtypesList = allSubtypes.get(imiId); 3647 final int N = subtypesList.size(); 3648 for (int i = 0; i < N; ++i) { 3649 final InputMethodSubtype subtype = subtypesList.get(i); 3650 out.startTag(null, NODE_SUBTYPE); 3651 out.attribute(null, ATTR_ICON, String.valueOf(subtype.getIconResId())); 3652 out.attribute(null, ATTR_LABEL, String.valueOf(subtype.getNameResId())); 3653 out.attribute(null, ATTR_IME_SUBTYPE_LOCALE, subtype.getLocale()); 3654 out.attribute(null, ATTR_IME_SUBTYPE_MODE, subtype.getMode()); 3655 out.attribute(null, ATTR_IME_SUBTYPE_EXTRA_VALUE, subtype.getExtraValue()); 3656 out.attribute(null, ATTR_IS_AUXILIARY, 3657 String.valueOf(subtype.isAuxiliary() ? 1 : 0)); 3658 out.endTag(null, NODE_SUBTYPE); 3659 } 3660 out.endTag(null, NODE_IMI); 3661 } 3662 out.endTag(null, NODE_SUBTYPES); 3663 out.endDocument(); 3664 subtypesFile.finishWrite(fos); 3665 } catch (java.io.IOException e) { 3666 Slog.w(TAG, "Error writing subtypes", e); 3667 if (fos != null) { 3668 subtypesFile.failWrite(fos); 3669 } 3670 } 3671 } 3672 3673 private static void readAdditionalInputMethodSubtypes( 3674 HashMap<String, List<InputMethodSubtype>> allSubtypes, AtomicFile subtypesFile) { 3675 if (allSubtypes == null || subtypesFile == null) return; 3676 allSubtypes.clear(); 3677 FileInputStream fis = null; 3678 try { 3679 fis = subtypesFile.openRead(); 3680 final XmlPullParser parser = Xml.newPullParser(); 3681 parser.setInput(fis, null); 3682 int type = parser.getEventType(); 3683 // Skip parsing until START_TAG 3684 while ((type = parser.next()) != XmlPullParser.START_TAG 3685 && type != XmlPullParser.END_DOCUMENT) {} 3686 String firstNodeName = parser.getName(); 3687 if (!NODE_SUBTYPES.equals(firstNodeName)) { 3688 throw new XmlPullParserException("Xml doesn't start with subtypes"); 3689 } 3690 final int depth =parser.getDepth(); 3691 String currentImiId = null; 3692 ArrayList<InputMethodSubtype> tempSubtypesArray = null; 3693 while (((type = parser.next()) != XmlPullParser.END_TAG 3694 || parser.getDepth() > depth) && type != XmlPullParser.END_DOCUMENT) { 3695 if (type != XmlPullParser.START_TAG) 3696 continue; 3697 final String nodeName = parser.getName(); 3698 if (NODE_IMI.equals(nodeName)) { 3699 currentImiId = parser.getAttributeValue(null, ATTR_ID); 3700 if (TextUtils.isEmpty(currentImiId)) { 3701 Slog.w(TAG, "Invalid imi id found in subtypes.xml"); 3702 continue; 3703 } 3704 tempSubtypesArray = new ArrayList<InputMethodSubtype>(); 3705 allSubtypes.put(currentImiId, tempSubtypesArray); 3706 } else if (NODE_SUBTYPE.equals(nodeName)) { 3707 if (TextUtils.isEmpty(currentImiId) || tempSubtypesArray == null) { 3708 Slog.w(TAG, "IME uninstalled or not valid.: " + currentImiId); 3709 continue; 3710 } 3711 final int icon = Integer.valueOf( 3712 parser.getAttributeValue(null, ATTR_ICON)); 3713 final int label = Integer.valueOf( 3714 parser.getAttributeValue(null, ATTR_LABEL)); 3715 final String imeSubtypeLocale = 3716 parser.getAttributeValue(null, ATTR_IME_SUBTYPE_LOCALE); 3717 final String imeSubtypeMode = 3718 parser.getAttributeValue(null, ATTR_IME_SUBTYPE_MODE); 3719 final String imeSubtypeExtraValue = 3720 parser.getAttributeValue(null, ATTR_IME_SUBTYPE_EXTRA_VALUE); 3721 final boolean isAuxiliary = "1".equals(String.valueOf( 3722 parser.getAttributeValue(null, ATTR_IS_AUXILIARY))); 3723 final InputMethodSubtype subtype = 3724 new InputMethodSubtype(label, icon, imeSubtypeLocale, 3725 imeSubtypeMode, imeSubtypeExtraValue, isAuxiliary); 3726 tempSubtypesArray.add(subtype); 3727 } 3728 } 3729 } catch (XmlPullParserException e) { 3730 Slog.w(TAG, "Error reading subtypes: " + e); 3731 return; 3732 } catch (java.io.IOException e) { 3733 Slog.w(TAG, "Error reading subtypes: " + e); 3734 return; 3735 } catch (NumberFormatException e) { 3736 Slog.w(TAG, "Error reading subtypes: " + e); 3737 return; 3738 } finally { 3739 if (fis != null) { 3740 try { 3741 fis.close(); 3742 } catch (java.io.IOException e1) { 3743 Slog.w(TAG, "Failed to close."); 3744 } 3745 } 3746 } 3747 } 3748 } 3749 3750 // ---------------------------------------------------------------------- 3751 3752 @Override 3753 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 3754 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 3755 != PackageManager.PERMISSION_GRANTED) { 3756 3757 pw.println("Permission Denial: can't dump InputMethodManager from from pid=" 3758 + Binder.getCallingPid() 3759 + ", uid=" + Binder.getCallingUid()); 3760 return; 3761 } 3762 3763 IInputMethod method; 3764 ClientState client; 3765 3766 final Printer p = new PrintWriterPrinter(pw); 3767 3768 synchronized (mMethodMap) { 3769 p.println("Current Input Method Manager state:"); 3770 int N = mMethodList.size(); 3771 p.println(" Input Methods:"); 3772 for (int i=0; i<N; i++) { 3773 InputMethodInfo info = mMethodList.get(i); 3774 p.println(" InputMethod #" + i + ":"); 3775 info.dump(p, " "); 3776 } 3777 p.println(" Clients:"); 3778 for (ClientState ci : mClients.values()) { 3779 p.println(" Client " + ci + ":"); 3780 p.println(" client=" + ci.client); 3781 p.println(" inputContext=" + ci.inputContext); 3782 p.println(" sessionRequested=" + ci.sessionRequested); 3783 p.println(" curSession=" + ci.curSession); 3784 } 3785 p.println(" mCurMethodId=" + mCurMethodId); 3786 client = mCurClient; 3787 p.println(" mCurClient=" + client + " mCurSeq=" + mCurSeq); 3788 p.println(" mCurFocusedWindow=" + mCurFocusedWindow); 3789 p.println(" mCurId=" + mCurId + " mHaveConnect=" + mHaveConnection 3790 + " mBoundToMethod=" + mBoundToMethod); 3791 p.println(" mCurToken=" + mCurToken); 3792 p.println(" mCurIntent=" + mCurIntent); 3793 method = mCurMethod; 3794 p.println(" mCurMethod=" + mCurMethod); 3795 p.println(" mEnabledSession=" + mEnabledSession); 3796 p.println(" mShowRequested=" + mShowRequested 3797 + " mShowExplicitlyRequested=" + mShowExplicitlyRequested 3798 + " mShowForced=" + mShowForced 3799 + " mInputShown=" + mInputShown); 3800 p.println(" mSystemReady=" + mSystemReady + " mScreenOn=" + mScreenOn); 3801 } 3802 3803 p.println(" "); 3804 if (client != null) { 3805 pw.flush(); 3806 try { 3807 client.client.asBinder().dump(fd, args); 3808 } catch (RemoteException e) { 3809 p.println("Input method client dead: " + e); 3810 } 3811 } else { 3812 p.println("No input method client."); 3813 } 3814 3815 p.println(" "); 3816 if (method != null) { 3817 pw.flush(); 3818 try { 3819 method.asBinder().dump(fd, args); 3820 } catch (RemoteException e) { 3821 p.println("Input method service dead: " + e); 3822 } 3823 } else { 3824 p.println("No input method service."); 3825 } 3826 } 3827 } 3828