InputMethodManagerService.java revision 4e1ab15b305aac26ad8819fc3b2951e20985944d
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 16package com.android.server; 17 18import com.android.internal.content.PackageMonitor; 19import com.android.internal.os.HandlerCaller; 20import com.android.internal.os.SomeArgs; 21import com.android.internal.util.FastXmlSerializer; 22import com.android.internal.view.IInputContext; 23import com.android.internal.view.IInputMethod; 24import com.android.internal.view.IInputMethodCallback; 25import com.android.internal.view.IInputMethodClient; 26import com.android.internal.view.IInputMethodManager; 27import com.android.internal.view.IInputMethodSession; 28import com.android.internal.view.InputBindResult; 29import com.android.server.EventLogTags; 30import com.android.server.wm.WindowManagerService; 31 32import org.xmlpull.v1.XmlPullParser; 33import org.xmlpull.v1.XmlPullParserException; 34import org.xmlpull.v1.XmlSerializer; 35 36import android.app.ActivityManagerNative; 37import android.app.AppGlobals; 38import android.app.AlertDialog; 39import android.app.IUserSwitchObserver; 40import android.app.KeyguardManager; 41import android.app.Notification; 42import android.app.NotificationManager; 43import android.app.PendingIntent; 44import android.content.BroadcastReceiver; 45import android.content.ComponentName; 46import android.content.ContentResolver; 47import android.content.Context; 48import android.content.DialogInterface; 49import android.content.DialogInterface.OnCancelListener; 50import android.content.Intent; 51import android.content.IntentFilter; 52import android.content.ServiceConnection; 53import android.content.pm.ApplicationInfo; 54import android.content.pm.IPackageManager; 55import android.content.pm.PackageManager; 56import android.content.pm.PackageManager.NameNotFoundException; 57import android.content.pm.ResolveInfo; 58import android.content.pm.ServiceInfo; 59import android.content.res.Configuration; 60import android.content.res.Resources; 61import android.content.res.TypedArray; 62import android.database.ContentObserver; 63import android.inputmethodservice.InputMethodService; 64import android.os.Binder; 65import android.os.Environment; 66import android.os.Handler; 67import android.os.IBinder; 68import android.os.IInterface; 69import android.os.IRemoteCallback; 70import android.os.Message; 71import android.os.Process; 72import android.os.Parcel; 73import android.os.RemoteException; 74import android.os.ResultReceiver; 75import android.os.ServiceManager; 76import android.os.SystemClock; 77import android.os.UserHandle; 78import android.provider.Settings; 79import android.provider.Settings.Secure; 80import android.provider.Settings.SettingNotFoundException; 81import android.text.TextUtils; 82import android.text.style.SuggestionSpan; 83import android.util.AtomicFile; 84import android.util.EventLog; 85import android.util.LruCache; 86import android.util.Pair; 87import android.util.PrintWriterPrinter; 88import android.util.Printer; 89import android.util.Slog; 90import android.util.Xml; 91import android.view.IWindowManager; 92import android.view.LayoutInflater; 93import android.view.View; 94import android.view.ViewGroup; 95import android.view.WindowManager; 96import android.view.inputmethod.EditorInfo; 97import android.view.inputmethod.InputBinding; 98import android.view.inputmethod.InputMethod; 99import android.view.inputmethod.InputMethodInfo; 100import android.view.inputmethod.InputMethodManager; 101import android.view.inputmethod.InputMethodSubtype; 102import android.widget.ArrayAdapter; 103import android.widget.CompoundButton; 104import android.widget.CompoundButton.OnCheckedChangeListener; 105import android.widget.RadioButton; 106import android.widget.Switch; 107import android.widget.TextView; 108 109import java.io.File; 110import java.io.FileDescriptor; 111import java.io.FileInputStream; 112import java.io.FileOutputStream; 113import java.io.IOException; 114import java.io.PrintWriter; 115import java.util.ArrayList; 116import java.util.Collections; 117import java.util.Comparator; 118import java.util.HashMap; 119import java.util.HashSet; 120import java.util.List; 121import java.util.Locale; 122import java.util.TreeMap; 123 124/** 125 * This class provides a system service that manages input methods. 126 */ 127public class InputMethodManagerService extends IInputMethodManager.Stub 128 implements ServiceConnection, Handler.Callback { 129 static final boolean DEBUG = false; 130 static final String TAG = "InputMethodManagerService"; 131 132 static final int MSG_SHOW_IM_PICKER = 1; 133 static final int MSG_SHOW_IM_SUBTYPE_PICKER = 2; 134 static final int MSG_SHOW_IM_SUBTYPE_ENABLER = 3; 135 static final int MSG_SHOW_IM_CONFIG = 4; 136 137 static final int MSG_UNBIND_INPUT = 1000; 138 static final int MSG_BIND_INPUT = 1010; 139 static final int MSG_SHOW_SOFT_INPUT = 1020; 140 static final int MSG_HIDE_SOFT_INPUT = 1030; 141 static final int MSG_ATTACH_TOKEN = 1040; 142 static final int MSG_CREATE_SESSION = 1050; 143 144 static final int MSG_START_INPUT = 2000; 145 static final int MSG_RESTART_INPUT = 2010; 146 147 static final int MSG_UNBIND_METHOD = 3000; 148 static final int MSG_BIND_METHOD = 3010; 149 static final int MSG_SET_ACTIVE = 3020; 150 151 static final int MSG_HARD_KEYBOARD_SWITCH_CHANGED = 4000; 152 153 static final long TIME_TO_RECONNECT = 10*1000; 154 155 static final int SECURE_SUGGESTION_SPANS_MAX_SIZE = 20; 156 157 private static final int NOT_A_SUBTYPE_ID = -1; 158 private static final String NOT_A_SUBTYPE_ID_STR = String.valueOf(NOT_A_SUBTYPE_ID); 159 private static final String SUBTYPE_MODE_KEYBOARD = "keyboard"; 160 private static final String SUBTYPE_MODE_VOICE = "voice"; 161 private static final String TAG_TRY_SUPPRESSING_IME_SWITCHER = "TrySuppressingImeSwitcher"; 162 private static final String TAG_ENABLED_WHEN_DEFAULT_IS_NOT_ASCII_CAPABLE = 163 "EnabledWhenDefaultIsNotAsciiCapable"; 164 private static final String TAG_ASCII_CAPABLE = "AsciiCapable"; 165 private static final Locale ENGLISH_LOCALE = new Locale("en"); 166 167 final Context mContext; 168 final Resources mRes; 169 final Handler mHandler; 170 final InputMethodSettings mSettings; 171 final SettingsObserver mSettingsObserver; 172 final IWindowManager mIWindowManager; 173 final HandlerCaller mCaller; 174 private final InputMethodFileManager mFileManager; 175 private final InputMethodAndSubtypeListManager mImListManager; 176 private final HardKeyboardListener mHardKeyboardListener; 177 private final WindowManagerService mWindowManagerService; 178 179 final InputBindResult mNoBinding = new InputBindResult(null, null, -1); 180 181 // All known input methods. mMethodMap also serves as the global 182 // lock for this class. 183 final ArrayList<InputMethodInfo> mMethodList = new ArrayList<InputMethodInfo>(); 184 final HashMap<String, InputMethodInfo> mMethodMap = new HashMap<String, InputMethodInfo>(); 185 private final LruCache<SuggestionSpan, InputMethodInfo> mSecureSuggestionSpans = 186 new LruCache<SuggestionSpan, InputMethodInfo>(SECURE_SUGGESTION_SPANS_MAX_SIZE); 187 188 // Used to bring IME service up to visible adjustment while it is being shown. 189 final ServiceConnection mVisibleConnection = new ServiceConnection() { 190 @Override public void onServiceConnected(ComponentName name, IBinder service) { 191 } 192 193 @Override public void onServiceDisconnected(ComponentName name) { 194 } 195 }; 196 boolean mVisibleBound = false; 197 198 // Ongoing notification 199 private NotificationManager mNotificationManager; 200 private KeyguardManager mKeyguardManager; 201 private StatusBarManagerService mStatusBar; 202 private Notification mImeSwitcherNotification; 203 private PendingIntent mImeSwitchPendingIntent; 204 private boolean mShowOngoingImeSwitcherForPhones; 205 private boolean mNotificationShown; 206 private final boolean mImeSelectedOnBoot; 207 208 class SessionState { 209 final ClientState client; 210 final IInputMethod method; 211 final IInputMethodSession session; 212 213 @Override 214 public String toString() { 215 return "SessionState{uid " + client.uid + " pid " + client.pid 216 + " method " + Integer.toHexString( 217 System.identityHashCode(method)) 218 + " session " + Integer.toHexString( 219 System.identityHashCode(session)) 220 + "}"; 221 } 222 223 SessionState(ClientState _client, IInputMethod _method, 224 IInputMethodSession _session) { 225 client = _client; 226 method = _method; 227 session = _session; 228 } 229 } 230 231 class ClientState { 232 final IInputMethodClient client; 233 final IInputContext inputContext; 234 final int uid; 235 final int pid; 236 final InputBinding binding; 237 238 boolean sessionRequested; 239 SessionState curSession; 240 241 @Override 242 public String toString() { 243 return "ClientState{" + Integer.toHexString( 244 System.identityHashCode(this)) + " uid " + uid 245 + " pid " + pid + "}"; 246 } 247 248 ClientState(IInputMethodClient _client, IInputContext _inputContext, 249 int _uid, int _pid) { 250 client = _client; 251 inputContext = _inputContext; 252 uid = _uid; 253 pid = _pid; 254 binding = new InputBinding(null, inputContext.asBinder(), uid, pid); 255 } 256 } 257 258 final HashMap<IBinder, ClientState> mClients 259 = new HashMap<IBinder, ClientState>(); 260 261 /** 262 * Set once the system is ready to run third party code. 263 */ 264 boolean mSystemReady; 265 266 /** 267 * Id of the currently selected input method. 268 */ 269 String mCurMethodId; 270 271 /** 272 * The current binding sequence number, incremented every time there is 273 * a new bind performed. 274 */ 275 int mCurSeq; 276 277 /** 278 * The client that is currently bound to an input method. 279 */ 280 ClientState mCurClient; 281 282 /** 283 * The last window token that gained focus. 284 */ 285 IBinder mCurFocusedWindow; 286 287 /** 288 * The input context last provided by the current client. 289 */ 290 IInputContext mCurInputContext; 291 292 /** 293 * The attributes last provided by the current client. 294 */ 295 EditorInfo mCurAttribute; 296 297 /** 298 * The input method ID of the input method service that we are currently 299 * connected to or in the process of connecting to. 300 */ 301 String mCurId; 302 303 /** 304 * The current subtype of the current input method. 305 */ 306 private InputMethodSubtype mCurrentSubtype; 307 308 // This list contains the pairs of InputMethodInfo and InputMethodSubtype. 309 private final HashMap<InputMethodInfo, ArrayList<InputMethodSubtype>> 310 mShortcutInputMethodsAndSubtypes = 311 new HashMap<InputMethodInfo, ArrayList<InputMethodSubtype>>(); 312 313 /** 314 * Set to true if our ServiceConnection is currently actively bound to 315 * a service (whether or not we have gotten its IBinder back yet). 316 */ 317 boolean mHaveConnection; 318 319 /** 320 * Set if the client has asked for the input method to be shown. 321 */ 322 boolean mShowRequested; 323 324 /** 325 * Set if we were explicitly told to show the input method. 326 */ 327 boolean mShowExplicitlyRequested; 328 329 /** 330 * Set if we were forced to be shown. 331 */ 332 boolean mShowForced; 333 334 /** 335 * Set if we last told the input method to show itself. 336 */ 337 boolean mInputShown; 338 339 /** 340 * The Intent used to connect to the current input method. 341 */ 342 Intent mCurIntent; 343 344 /** 345 * The token we have made for the currently active input method, to 346 * identify it in the future. 347 */ 348 IBinder mCurToken; 349 350 /** 351 * If non-null, this is the input method service we are currently connected 352 * to. 353 */ 354 IInputMethod mCurMethod; 355 356 /** 357 * Time that we last initiated a bind to the input method, to determine 358 * if we should try to disconnect and reconnect to it. 359 */ 360 long mLastBindTime; 361 362 /** 363 * Have we called mCurMethod.bindInput()? 364 */ 365 boolean mBoundToMethod; 366 367 /** 368 * Currently enabled session. Only touched by service thread, not 369 * protected by a lock. 370 */ 371 SessionState mEnabledSession; 372 373 /** 374 * True if the screen is on. The value is true initially. 375 */ 376 boolean mScreenOn = true; 377 378 int mBackDisposition = InputMethodService.BACK_DISPOSITION_DEFAULT; 379 int mImeWindowVis; 380 381 private AlertDialog.Builder mDialogBuilder; 382 private AlertDialog mSwitchingDialog; 383 private View mSwitchingDialogTitleView; 384 private InputMethodInfo[] mIms; 385 private int[] mSubtypeIds; 386 private Locale mLastSystemLocale; 387 private final MyPackageMonitor mMyPackageMonitor = new MyPackageMonitor(); 388 private final IPackageManager mIPackageManager; 389 390 class SettingsObserver extends ContentObserver { 391 SettingsObserver(Handler handler) { 392 super(handler); 393 ContentResolver resolver = mContext.getContentResolver(); 394 resolver.registerContentObserver(Settings.Secure.getUriFor( 395 Settings.Secure.DEFAULT_INPUT_METHOD), false, this); 396 resolver.registerContentObserver(Settings.Secure.getUriFor( 397 Settings.Secure.ENABLED_INPUT_METHODS), false, this); 398 resolver.registerContentObserver(Settings.Secure.getUriFor( 399 Settings.Secure.SELECTED_INPUT_METHOD_SUBTYPE), false, this); 400 } 401 402 @Override public void onChange(boolean selfChange) { 403 synchronized (mMethodMap) { 404 updateFromSettingsLocked(); 405 } 406 } 407 } 408 409 class ImmsBroadcastReceiver extends android.content.BroadcastReceiver { 410 private void updateActive() { 411 // Inform the current client of the change in active status 412 if (mCurClient != null && mCurClient.client != null) { 413 executeOrSendMessage(mCurClient.client, mCaller.obtainMessageIO( 414 MSG_SET_ACTIVE, mScreenOn ? 1 : 0, mCurClient)); 415 } 416 } 417 418 @Override 419 public void onReceive(Context context, Intent intent) { 420 final String action = intent.getAction(); 421 if (Intent.ACTION_SCREEN_ON.equals(action)) { 422 mScreenOn = true; 423 refreshImeWindowVisibilityLocked(); 424 updateActive(); 425 return; 426 } else if (Intent.ACTION_SCREEN_OFF.equals(action)) { 427 mScreenOn = false; 428 setImeWindowVisibilityStatusHiddenLocked(); 429 updateActive(); 430 return; 431 } else if (Intent.ACTION_CLOSE_SYSTEM_DIALOGS.equals(action)) { 432 hideInputMethodMenu(); 433 // No need to updateActive 434 return; 435 } else { 436 Slog.w(TAG, "Unexpected intent " + intent); 437 } 438 } 439 } 440 441 class MyPackageMonitor extends PackageMonitor { 442 private boolean isChangingPackagesOfCurrentUser() { 443 final int userId = getChangingUserId(); 444 final boolean retval = userId == mSettings.getCurrentUserId(); 445 if (DEBUG) { 446 Slog.d(TAG, "--- ignore this call back from a background user: " + userId); 447 } 448 return retval; 449 } 450 451 @Override 452 public boolean onHandleForceStop(Intent intent, String[] packages, int uid, boolean doit) { 453 if (!isChangingPackagesOfCurrentUser()) { 454 return false; 455 } 456 synchronized (mMethodMap) { 457 String curInputMethodId = mSettings.getSelectedInputMethod(); 458 final int N = mMethodList.size(); 459 if (curInputMethodId != null) { 460 for (int i=0; i<N; i++) { 461 InputMethodInfo imi = mMethodList.get(i); 462 if (imi.getId().equals(curInputMethodId)) { 463 for (String pkg : packages) { 464 if (imi.getPackageName().equals(pkg)) { 465 if (!doit) { 466 return true; 467 } 468 resetSelectedInputMethodAndSubtypeLocked(""); 469 chooseNewDefaultIMELocked(); 470 return true; 471 } 472 } 473 } 474 } 475 } 476 } 477 return false; 478 } 479 480 @Override 481 public void onSomePackagesChanged() { 482 if (!isChangingPackagesOfCurrentUser()) { 483 return; 484 } 485 synchronized (mMethodMap) { 486 InputMethodInfo curIm = null; 487 String curInputMethodId = mSettings.getSelectedInputMethod(); 488 final int N = mMethodList.size(); 489 if (curInputMethodId != null) { 490 for (int i=0; i<N; i++) { 491 InputMethodInfo imi = mMethodList.get(i); 492 final String imiId = imi.getId(); 493 if (imiId.equals(curInputMethodId)) { 494 curIm = imi; 495 } 496 497 int change = isPackageDisappearing(imi.getPackageName()); 498 if (isPackageModified(imi.getPackageName())) { 499 mFileManager.deleteAllInputMethodSubtypes(imiId); 500 } 501 if (change == PACKAGE_TEMPORARY_CHANGE 502 || change == PACKAGE_PERMANENT_CHANGE) { 503 Slog.i(TAG, "Input method uninstalled, disabling: " 504 + imi.getComponent()); 505 setInputMethodEnabledLocked(imi.getId(), false); 506 } 507 } 508 } 509 510 buildInputMethodListLocked(mMethodList, mMethodMap); 511 512 boolean changed = false; 513 514 if (curIm != null) { 515 int change = isPackageDisappearing(curIm.getPackageName()); 516 if (change == PACKAGE_TEMPORARY_CHANGE 517 || change == PACKAGE_PERMANENT_CHANGE) { 518 ServiceInfo si = null; 519 try { 520 si = mIPackageManager.getServiceInfo( 521 curIm.getComponent(), 0, mSettings.getCurrentUserId()); 522 } catch (RemoteException ex) { 523 } 524 if (si == null) { 525 // Uh oh, current input method is no longer around! 526 // Pick another one... 527 Slog.i(TAG, "Current input method removed: " + curInputMethodId); 528 setImeWindowVisibilityStatusHiddenLocked(); 529 if (!chooseNewDefaultIMELocked()) { 530 changed = true; 531 curIm = null; 532 Slog.i(TAG, "Unsetting current input method"); 533 resetSelectedInputMethodAndSubtypeLocked(""); 534 } 535 } 536 } 537 } 538 539 if (curIm == null) { 540 // We currently don't have a default input method... is 541 // one now available? 542 changed = chooseNewDefaultIMELocked(); 543 } 544 545 if (changed) { 546 updateFromSettingsLocked(); 547 } 548 } 549 } 550 } 551 552 private static class MethodCallback extends IInputMethodCallback.Stub { 553 private final IInputMethod mMethod; 554 private final InputMethodManagerService mParentIMMS; 555 556 MethodCallback(final IInputMethod method, final InputMethodManagerService imms) { 557 mMethod = method; 558 mParentIMMS = imms; 559 } 560 561 @Override 562 public void finishedEvent(int seq, boolean handled) throws RemoteException { 563 } 564 565 @Override 566 public void sessionCreated(IInputMethodSession session) throws RemoteException { 567 mParentIMMS.onSessionCreated(mMethod, session); 568 } 569 } 570 571 private class HardKeyboardListener 572 implements WindowManagerService.OnHardKeyboardStatusChangeListener { 573 @Override 574 public void onHardKeyboardStatusChange(boolean available, boolean enabled) { 575 mHandler.sendMessage(mHandler.obtainMessage( 576 MSG_HARD_KEYBOARD_SWITCH_CHANGED, available ? 1 : 0, enabled ? 1 : 0)); 577 } 578 579 public void handleHardKeyboardStatusChange(boolean available, boolean enabled) { 580 if (DEBUG) { 581 Slog.w(TAG, "HardKeyboardStatusChanged: available = " + available + ", enabled = " 582 + enabled); 583 } 584 synchronized(mMethodMap) { 585 if (mSwitchingDialog != null && mSwitchingDialogTitleView != null 586 && mSwitchingDialog.isShowing()) { 587 mSwitchingDialogTitleView.findViewById( 588 com.android.internal.R.id.hard_keyboard_section).setVisibility( 589 available ? View.VISIBLE : View.GONE); 590 } 591 } 592 } 593 } 594 595 public InputMethodManagerService(Context context, WindowManagerService windowManager) { 596 mIPackageManager = AppGlobals.getPackageManager(); 597 mContext = context; 598 mRes = context.getResources(); 599 mHandler = new Handler(this); 600 mIWindowManager = IWindowManager.Stub.asInterface( 601 ServiceManager.getService(Context.WINDOW_SERVICE)); 602 mCaller = new HandlerCaller(context, new HandlerCaller.Callback() { 603 @Override 604 public void executeMessage(Message msg) { 605 handleMessage(msg); 606 } 607 }); 608 mWindowManagerService = windowManager; 609 mHardKeyboardListener = new HardKeyboardListener(); 610 611 mImeSwitcherNotification = new Notification(); 612 mImeSwitcherNotification.icon = com.android.internal.R.drawable.ic_notification_ime_default; 613 mImeSwitcherNotification.when = 0; 614 mImeSwitcherNotification.flags = Notification.FLAG_ONGOING_EVENT; 615 mImeSwitcherNotification.tickerText = null; 616 mImeSwitcherNotification.defaults = 0; // please be quiet 617 mImeSwitcherNotification.sound = null; 618 mImeSwitcherNotification.vibrate = null; 619 620 // Tag this notification specially so SystemUI knows it's important 621 mImeSwitcherNotification.kind = new String[] { "android.system.imeswitcher" }; 622 623 Intent intent = new Intent(Settings.ACTION_SHOW_INPUT_METHOD_PICKER); 624 mImeSwitchPendingIntent = PendingIntent.getBroadcast(mContext, 0, intent, 0); 625 626 mShowOngoingImeSwitcherForPhones = false; 627 628 synchronized (mMethodMap) { 629 mFileManager = new InputMethodFileManager(mMethodMap); 630 } 631 mImListManager = new InputMethodAndSubtypeListManager(context, this); 632 633 final IntentFilter broadcastFilter = new IntentFilter(); 634 broadcastFilter.addAction(Intent.ACTION_SCREEN_ON); 635 broadcastFilter.addAction(Intent.ACTION_SCREEN_OFF); 636 broadcastFilter.addAction(Intent.ACTION_CLOSE_SYSTEM_DIALOGS); 637 mContext.registerReceiver(new ImmsBroadcastReceiver(), broadcastFilter); 638 639 mNotificationShown = false; 640 int userId = 0; 641 try { 642 ActivityManagerNative.getDefault().registerUserSwitchObserver( 643 new IUserSwitchObserver.Stub() { 644 @Override 645 public void onUserSwitching(int newUserId, IRemoteCallback reply) { 646 switchUser(newUserId); 647 if (reply != null) { 648 try { 649 reply.sendResult(null); 650 } catch (RemoteException e) { 651 } 652 } 653 } 654 655 @Override 656 public void onUserSwitchComplete(int newUserId) throws RemoteException { 657 } 658 }); 659 userId = ActivityManagerNative.getDefault().getCurrentUser().id; 660 } catch (RemoteException e) { 661 Slog.w(TAG, "Couldn't get current user ID; guessing it's 0", e); 662 } 663 mMyPackageMonitor.register(mContext, null, true); 664 665 // mSettings should be created before buildInputMethodListLocked 666 mSettings = new InputMethodSettings( 667 mRes, context.getContentResolver(), mMethodMap, mMethodList, userId); 668 669 // Just checking if defaultImiId is empty or not 670 final String defaultImiId = mSettings.getSelectedInputMethod(); 671 mImeSelectedOnBoot = !TextUtils.isEmpty(defaultImiId); 672 673 buildInputMethodListLocked(mMethodList, mMethodMap); 674 mSettings.enableAllIMEsIfThereIsNoEnabledIME(); 675 676 if (!mImeSelectedOnBoot) { 677 Slog.w(TAG, "No IME selected. Choose the most applicable IME."); 678 resetDefaultImeLocked(context); 679 } 680 681 mSettingsObserver = new SettingsObserver(mHandler); 682 updateFromSettingsLocked(); 683 684 // IMMS wants to receive Intent.ACTION_LOCALE_CHANGED in order to update the current IME 685 // according to the new system locale. 686 final IntentFilter filter = new IntentFilter(); 687 filter.addAction(Intent.ACTION_LOCALE_CHANGED); 688 mContext.registerReceiver( 689 new BroadcastReceiver() { 690 @Override 691 public void onReceive(Context context, Intent intent) { 692 synchronized(mMethodMap) { 693 checkCurrentLocaleChangedLocked(); 694 } 695 } 696 }, filter); 697 } 698 699 private void resetDefaultImeLocked(Context context) { 700 // Do not reset the default (current) IME when it is a 3rd-party IME 701 if (mCurMethodId != null && !isSystemIme(mMethodMap.get(mCurMethodId))) { 702 return; 703 } 704 705 InputMethodInfo defIm = null; 706 for (InputMethodInfo imi : mMethodList) { 707 if (defIm == null) { 708 if (isValidSystemDefaultIme(imi, context)) { 709 defIm = imi; 710 Slog.i(TAG, "Selected default: " + imi.getId()); 711 } 712 } 713 } 714 if (defIm == null && mMethodList.size() > 0) { 715 defIm = getMostApplicableDefaultIMELocked(); 716 Slog.i(TAG, "No default found, using " + defIm.getId()); 717 } 718 if (defIm != null) { 719 setSelectedInputMethodAndSubtypeLocked(defIm, NOT_A_SUBTYPE_ID, false); 720 } 721 } 722 723 private void resetAllInternalStateLocked(boolean updateOnlyWhenLocaleChanged) { 724 if (!mSystemReady) { 725 // not system ready 726 return; 727 } 728 final Locale newLocale = mRes.getConfiguration().locale; 729 if (!updateOnlyWhenLocaleChanged 730 || (newLocale != null && !newLocale.equals(mLastSystemLocale))) { 731 if (!updateOnlyWhenLocaleChanged) { 732 hideCurrentInputLocked(0, null); 733 mCurMethodId = null; 734 unbindCurrentMethodLocked(true); 735 } 736 if (DEBUG) { 737 Slog.i(TAG, "Locale has been changed to " + newLocale); 738 } 739 buildInputMethodListLocked(mMethodList, mMethodMap); 740 if (!updateOnlyWhenLocaleChanged) { 741 final String selectedImiId = mSettings.getSelectedInputMethod(); 742 if (TextUtils.isEmpty(selectedImiId)) { 743 // This is the first time of the user switch and 744 // set the current ime to the proper one. 745 resetDefaultImeLocked(mContext); 746 } 747 } 748 updateFromSettingsLocked(); 749 mLastSystemLocale = newLocale; 750 if (!updateOnlyWhenLocaleChanged) { 751 try { 752 startInputInnerLocked(); 753 } catch (RuntimeException e) { 754 Slog.w(TAG, "Unexpected exception", e); 755 } 756 } 757 } 758 } 759 760 private void checkCurrentLocaleChangedLocked() { 761 resetAllInternalStateLocked(true); 762 } 763 764 private void switchUser(int newUserId) { 765 mSettings.setCurrentUserId(newUserId); 766 resetAllInternalStateLocked(false); 767 } 768 769 private boolean isValidSystemDefaultIme(InputMethodInfo imi, Context context) { 770 if (!mSystemReady) { 771 return false; 772 } 773 if (!isSystemIme(imi)) { 774 return false; 775 } 776 if (imi.getIsDefaultResourceId() != 0) { 777 try { 778 Resources res = context.createPackageContext( 779 imi.getPackageName(), 0).getResources(); 780 if (res.getBoolean(imi.getIsDefaultResourceId()) 781 && containsSubtypeOf(imi, context.getResources().getConfiguration(). 782 locale.getLanguage())) { 783 return true; 784 } 785 } catch (PackageManager.NameNotFoundException ex) { 786 } catch (Resources.NotFoundException ex) { 787 } 788 } 789 if (imi.getSubtypeCount() == 0) { 790 Slog.w(TAG, "Found no subtypes in a system IME: " + imi.getPackageName()); 791 } 792 return false; 793 } 794 795 private static boolean isSystemImeThatHasEnglishSubtype(InputMethodInfo imi) { 796 if (!isSystemIme(imi)) { 797 return false; 798 } 799 return containsSubtypeOf(imi, ENGLISH_LOCALE.getLanguage()); 800 } 801 802 private static boolean containsSubtypeOf(InputMethodInfo imi, String language) { 803 final int N = imi.getSubtypeCount(); 804 for (int i = 0; i < N; ++i) { 805 if (imi.getSubtypeAt(i).getLocale().startsWith(language)) { 806 return true; 807 } 808 } 809 return false; 810 } 811 812 @Override 813 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 814 throws RemoteException { 815 try { 816 return super.onTransact(code, data, reply, flags); 817 } catch (RuntimeException e) { 818 // The input method manager only throws security exceptions, so let's 819 // log all others. 820 if (!(e instanceof SecurityException)) { 821 Slog.e(TAG, "Input Method Manager Crash", e); 822 } 823 throw e; 824 } 825 } 826 827 public void systemReady(StatusBarManagerService statusBar) { 828 synchronized (mMethodMap) { 829 if (DEBUG) { 830 Slog.d(TAG, "--- systemReady"); 831 } 832 if (!mSystemReady) { 833 mSystemReady = true; 834 mKeyguardManager = 835 (KeyguardManager) mContext.getSystemService(Context.KEYGUARD_SERVICE); 836 mNotificationManager = (NotificationManager) 837 mContext.getSystemService(Context.NOTIFICATION_SERVICE); 838 mStatusBar = statusBar; 839 statusBar.setIconVisibility("ime", false); 840 updateImeWindowStatusLocked(); 841 mShowOngoingImeSwitcherForPhones = mRes.getBoolean( 842 com.android.internal.R.bool.show_ongoing_ime_switcher); 843 if (mShowOngoingImeSwitcherForPhones) { 844 mWindowManagerService.setOnHardKeyboardStatusChangeListener( 845 mHardKeyboardListener); 846 } 847 buildInputMethodListLocked(mMethodList, mMethodMap); 848 if (!mImeSelectedOnBoot) { 849 Slog.w(TAG, "Reset the default IME as \"Resource\" is ready here."); 850 checkCurrentLocaleChangedLocked(); 851 } 852 mLastSystemLocale = mRes.getConfiguration().locale; 853 try { 854 startInputInnerLocked(); 855 } catch (RuntimeException e) { 856 Slog.w(TAG, "Unexpected exception", e); 857 } 858 } 859 } 860 } 861 862 private void setImeWindowVisibilityStatusHiddenLocked() { 863 mImeWindowVis = 0; 864 updateImeWindowStatusLocked(); 865 } 866 867 private void refreshImeWindowVisibilityLocked() { 868 final Configuration conf = mRes.getConfiguration(); 869 final boolean haveHardKeyboard = conf.keyboard 870 != Configuration.KEYBOARD_NOKEYS; 871 final boolean hardKeyShown = haveHardKeyboard 872 && conf.hardKeyboardHidden 873 != Configuration.HARDKEYBOARDHIDDEN_YES; 874 final boolean isScreenLocked = mKeyguardManager != null 875 && mKeyguardManager.isKeyguardLocked() 876 && mKeyguardManager.isKeyguardSecure(); 877 mImeWindowVis = (!isScreenLocked && (mInputShown || hardKeyShown)) ? 878 (InputMethodService.IME_ACTIVE | InputMethodService.IME_VISIBLE) : 0; 879 updateImeWindowStatusLocked(); 880 } 881 882 private void updateImeWindowStatusLocked() { 883 setImeWindowStatus(mCurToken, mImeWindowVis, mBackDisposition); 884 } 885 886 // --------------------------------------------------------------------------------------- 887 // Check whether or not this is a valid IPC. Assumes an IPC is valid when either 888 // 1) it comes from the system process 889 // 2) the calling process' user id is identical to the current user id IMMS thinks. 890 private boolean calledFromValidUser() { 891 final int uid = Binder.getCallingUid(); 892 final int userId = UserHandle.getUserId(uid); 893 if (DEBUG) { 894 Slog.d(TAG, "--- calledFromForegroundUserOrSystemProcess ? " 895 + "calling uid = " + uid + " system uid = " + Process.SYSTEM_UID 896 + " calling userId = " + userId + ", foreground user id = " 897 + mSettings.getCurrentUserId()); 898 } 899 if (uid == Process.SYSTEM_UID || userId == mSettings.getCurrentUserId()) { 900 return true; 901 } else { 902 Slog.w(TAG, "--- IPC called from background users. Ignore. \n" + getStackTrace()); 903 return false; 904 } 905 } 906 907 private boolean bindCurrentInputMethodService( 908 Intent service, ServiceConnection conn, int flags) { 909 if (service == null || conn == null) { 910 Slog.e(TAG, "--- bind failed: service = " + service + ", conn = " + conn); 911 return false; 912 } 913 return mContext.bindService(service, conn, flags, mSettings.getCurrentUserId()); 914 } 915 916 @Override 917 public List<InputMethodInfo> getInputMethodList() { 918 // TODO: Make this work even for non-current users? 919 if (!calledFromValidUser()) { 920 return Collections.emptyList(); 921 } 922 synchronized (mMethodMap) { 923 return new ArrayList<InputMethodInfo>(mMethodList); 924 } 925 } 926 927 @Override 928 public List<InputMethodInfo> getEnabledInputMethodList() { 929 // TODO: Make this work even for non-current users? 930 if (!calledFromValidUser()) { 931 return Collections.emptyList(); 932 } 933 synchronized (mMethodMap) { 934 return mSettings.getEnabledInputMethodListLocked(); 935 } 936 } 937 938 private HashMap<InputMethodInfo, List<InputMethodSubtype>> 939 getExplicitlyOrImplicitlyEnabledInputMethodsAndSubtypeListLocked() { 940 HashMap<InputMethodInfo, List<InputMethodSubtype>> enabledInputMethodAndSubtypes = 941 new HashMap<InputMethodInfo, List<InputMethodSubtype>>(); 942 for (InputMethodInfo imi: mSettings.getEnabledInputMethodListLocked()) { 943 enabledInputMethodAndSubtypes.put( 944 imi, getEnabledInputMethodSubtypeListLocked(imi, true)); 945 } 946 return enabledInputMethodAndSubtypes; 947 } 948 949 public List<InputMethodSubtype> getEnabledInputMethodSubtypeListLocked(InputMethodInfo imi, 950 boolean allowsImplicitlySelectedSubtypes) { 951 if (imi == null && mCurMethodId != null) { 952 imi = mMethodMap.get(mCurMethodId); 953 } 954 List<InputMethodSubtype> enabledSubtypes = 955 mSettings.getEnabledInputMethodSubtypeListLocked(imi); 956 if (allowsImplicitlySelectedSubtypes && enabledSubtypes.isEmpty()) { 957 enabledSubtypes = getImplicitlyApplicableSubtypesLocked(mRes, imi); 958 } 959 return InputMethodSubtype.sort(mContext, 0, imi, enabledSubtypes); 960 } 961 962 @Override 963 public List<InputMethodSubtype> getEnabledInputMethodSubtypeList(InputMethodInfo imi, 964 boolean allowsImplicitlySelectedSubtypes) { 965 // TODO: Make this work even for non-current users? 966 if (!calledFromValidUser()) { 967 return Collections.emptyList(); 968 } 969 synchronized (mMethodMap) { 970 return getEnabledInputMethodSubtypeListLocked(imi, allowsImplicitlySelectedSubtypes); 971 } 972 } 973 974 @Override 975 public void addClient(IInputMethodClient client, 976 IInputContext inputContext, int uid, int pid) { 977 if (!calledFromValidUser()) { 978 return; 979 } 980 synchronized (mMethodMap) { 981 mClients.put(client.asBinder(), new ClientState(client, 982 inputContext, uid, pid)); 983 } 984 } 985 986 @Override 987 public void removeClient(IInputMethodClient client) { 988 if (!calledFromValidUser()) { 989 return; 990 } 991 synchronized (mMethodMap) { 992 mClients.remove(client.asBinder()); 993 } 994 } 995 996 void executeOrSendMessage(IInterface target, Message msg) { 997 if (target.asBinder() instanceof Binder) { 998 mCaller.sendMessage(msg); 999 } else { 1000 handleMessage(msg); 1001 msg.recycle(); 1002 } 1003 } 1004 1005 void unbindCurrentClientLocked() { 1006 if (mCurClient != null) { 1007 if (DEBUG) Slog.v(TAG, "unbindCurrentInputLocked: client = " 1008 + mCurClient.client.asBinder()); 1009 if (mBoundToMethod) { 1010 mBoundToMethod = false; 1011 if (mCurMethod != null) { 1012 executeOrSendMessage(mCurMethod, mCaller.obtainMessageO( 1013 MSG_UNBIND_INPUT, mCurMethod)); 1014 } 1015 } 1016 1017 executeOrSendMessage(mCurClient.client, mCaller.obtainMessageIO( 1018 MSG_SET_ACTIVE, 0, mCurClient)); 1019 executeOrSendMessage(mCurClient.client, mCaller.obtainMessageIO( 1020 MSG_UNBIND_METHOD, mCurSeq, mCurClient.client)); 1021 mCurClient.sessionRequested = false; 1022 mCurClient = null; 1023 1024 hideInputMethodMenuLocked(); 1025 } 1026 } 1027 1028 private int getImeShowFlags() { 1029 int flags = 0; 1030 if (mShowForced) { 1031 flags |= InputMethod.SHOW_FORCED 1032 | InputMethod.SHOW_EXPLICIT; 1033 } else if (mShowExplicitlyRequested) { 1034 flags |= InputMethod.SHOW_EXPLICIT; 1035 } 1036 return flags; 1037 } 1038 1039 private int getAppShowFlags() { 1040 int flags = 0; 1041 if (mShowForced) { 1042 flags |= InputMethodManager.SHOW_FORCED; 1043 } else if (!mShowExplicitlyRequested) { 1044 flags |= InputMethodManager.SHOW_IMPLICIT; 1045 } 1046 return flags; 1047 } 1048 1049 InputBindResult attachNewInputLocked(boolean initial) { 1050 if (!mBoundToMethod) { 1051 executeOrSendMessage(mCurMethod, mCaller.obtainMessageOO( 1052 MSG_BIND_INPUT, mCurMethod, mCurClient.binding)); 1053 mBoundToMethod = true; 1054 } 1055 final SessionState session = mCurClient.curSession; 1056 if (initial) { 1057 executeOrSendMessage(session.method, mCaller.obtainMessageOOO( 1058 MSG_START_INPUT, session, mCurInputContext, mCurAttribute)); 1059 } else { 1060 executeOrSendMessage(session.method, mCaller.obtainMessageOOO( 1061 MSG_RESTART_INPUT, session, mCurInputContext, mCurAttribute)); 1062 } 1063 if (mShowRequested) { 1064 if (DEBUG) Slog.v(TAG, "Attach new input asks to show input"); 1065 showCurrentInputLocked(getAppShowFlags(), null); 1066 } 1067 return new InputBindResult(session.session, mCurId, mCurSeq); 1068 } 1069 1070 InputBindResult startInputLocked(IInputMethodClient client, 1071 IInputContext inputContext, EditorInfo attribute, int controlFlags) { 1072 // If no method is currently selected, do nothing. 1073 if (mCurMethodId == null) { 1074 return mNoBinding; 1075 } 1076 1077 ClientState cs = mClients.get(client.asBinder()); 1078 if (cs == null) { 1079 throw new IllegalArgumentException("unknown client " 1080 + client.asBinder()); 1081 } 1082 1083 try { 1084 if (!mIWindowManager.inputMethodClientHasFocus(cs.client)) { 1085 // Check with the window manager to make sure this client actually 1086 // has a window with focus. If not, reject. This is thread safe 1087 // because if the focus changes some time before or after, the 1088 // next client receiving focus that has any interest in input will 1089 // be calling through here after that change happens. 1090 Slog.w(TAG, "Starting input on non-focused client " + cs.client 1091 + " (uid=" + cs.uid + " pid=" + cs.pid + ")"); 1092 return null; 1093 } 1094 } catch (RemoteException e) { 1095 } 1096 1097 return startInputUncheckedLocked(cs, inputContext, attribute, controlFlags); 1098 } 1099 1100 InputBindResult startInputUncheckedLocked(ClientState cs, 1101 IInputContext inputContext, EditorInfo attribute, int controlFlags) { 1102 // If no method is currently selected, do nothing. 1103 if (mCurMethodId == null) { 1104 return mNoBinding; 1105 } 1106 1107 if (mCurClient != cs) { 1108 // If the client is changing, we need to switch over to the new 1109 // one. 1110 unbindCurrentClientLocked(); 1111 if (DEBUG) Slog.v(TAG, "switching to client: client = " 1112 + cs.client.asBinder()); 1113 1114 // If the screen is on, inform the new client it is active 1115 if (mScreenOn) { 1116 executeOrSendMessage(cs.client, mCaller.obtainMessageIO( 1117 MSG_SET_ACTIVE, mScreenOn ? 1 : 0, cs)); 1118 } 1119 } 1120 1121 // Bump up the sequence for this client and attach it. 1122 mCurSeq++; 1123 if (mCurSeq <= 0) mCurSeq = 1; 1124 mCurClient = cs; 1125 mCurInputContext = inputContext; 1126 mCurAttribute = attribute; 1127 1128 // Check if the input method is changing. 1129 if (mCurId != null && mCurId.equals(mCurMethodId)) { 1130 if (cs.curSession != null) { 1131 // Fast case: if we are already connected to the input method, 1132 // then just return it. 1133 return attachNewInputLocked( 1134 (controlFlags&InputMethodManager.CONTROL_START_INITIAL) != 0); 1135 } 1136 if (mHaveConnection) { 1137 if (mCurMethod != null) { 1138 if (!cs.sessionRequested) { 1139 cs.sessionRequested = true; 1140 if (DEBUG) Slog.v(TAG, "Creating new session for client " + cs); 1141 executeOrSendMessage(mCurMethod, mCaller.obtainMessageOO( 1142 MSG_CREATE_SESSION, mCurMethod, 1143 new MethodCallback(mCurMethod, this))); 1144 } 1145 // Return to client, and we will get back with it when 1146 // we have had a session made for it. 1147 return new InputBindResult(null, mCurId, mCurSeq); 1148 } else if (SystemClock.uptimeMillis() 1149 < (mLastBindTime+TIME_TO_RECONNECT)) { 1150 // In this case we have connected to the service, but 1151 // don't yet have its interface. If it hasn't been too 1152 // long since we did the connection, we'll return to 1153 // the client and wait to get the service interface so 1154 // we can report back. If it has been too long, we want 1155 // to fall through so we can try a disconnect/reconnect 1156 // to see if we can get back in touch with the service. 1157 return new InputBindResult(null, mCurId, mCurSeq); 1158 } else { 1159 EventLog.writeEvent(EventLogTags.IMF_FORCE_RECONNECT_IME, 1160 mCurMethodId, SystemClock.uptimeMillis()-mLastBindTime, 0); 1161 } 1162 } 1163 } 1164 1165 return startInputInnerLocked(); 1166 } 1167 1168 InputBindResult startInputInnerLocked() { 1169 if (mCurMethodId == null) { 1170 return mNoBinding; 1171 } 1172 1173 if (!mSystemReady) { 1174 // If the system is not yet ready, we shouldn't be running third 1175 // party code. 1176 return new InputBindResult(null, mCurMethodId, mCurSeq); 1177 } 1178 1179 InputMethodInfo info = mMethodMap.get(mCurMethodId); 1180 if (info == null) { 1181 throw new IllegalArgumentException("Unknown id: " + mCurMethodId); 1182 } 1183 1184 unbindCurrentMethodLocked(false); 1185 1186 mCurIntent = new Intent(InputMethod.SERVICE_INTERFACE); 1187 mCurIntent.setComponent(info.getComponent()); 1188 mCurIntent.putExtra(Intent.EXTRA_CLIENT_LABEL, 1189 com.android.internal.R.string.input_method_binding_label); 1190 mCurIntent.putExtra(Intent.EXTRA_CLIENT_INTENT, PendingIntent.getActivity( 1191 mContext, 0, new Intent(Settings.ACTION_INPUT_METHOD_SETTINGS), 0)); 1192 if (bindCurrentInputMethodService(mCurIntent, this, Context.BIND_AUTO_CREATE 1193 | Context.BIND_NOT_VISIBLE)) { 1194 mLastBindTime = SystemClock.uptimeMillis(); 1195 mHaveConnection = true; 1196 mCurId = info.getId(); 1197 mCurToken = new Binder(); 1198 try { 1199 if (DEBUG) Slog.v(TAG, "Adding window token: " + mCurToken); 1200 mIWindowManager.addWindowToken(mCurToken, 1201 WindowManager.LayoutParams.TYPE_INPUT_METHOD); 1202 } catch (RemoteException e) { 1203 } 1204 return new InputBindResult(null, mCurId, mCurSeq); 1205 } else { 1206 mCurIntent = null; 1207 Slog.w(TAG, "Failure connecting to input method service: " 1208 + mCurIntent); 1209 } 1210 return null; 1211 } 1212 1213 @Override 1214 public InputBindResult startInput(IInputMethodClient client, 1215 IInputContext inputContext, EditorInfo attribute, int controlFlags) { 1216 if (!calledFromValidUser()) { 1217 return null; 1218 } 1219 synchronized (mMethodMap) { 1220 final long ident = Binder.clearCallingIdentity(); 1221 try { 1222 return startInputLocked(client, inputContext, attribute, controlFlags); 1223 } finally { 1224 Binder.restoreCallingIdentity(ident); 1225 } 1226 } 1227 } 1228 1229 @Override 1230 public void finishInput(IInputMethodClient client) { 1231 } 1232 1233 @Override 1234 public void onServiceConnected(ComponentName name, IBinder service) { 1235 synchronized (mMethodMap) { 1236 if (mCurIntent != null && name.equals(mCurIntent.getComponent())) { 1237 mCurMethod = IInputMethod.Stub.asInterface(service); 1238 if (mCurToken == null) { 1239 Slog.w(TAG, "Service connected without a token!"); 1240 unbindCurrentMethodLocked(false); 1241 return; 1242 } 1243 if (DEBUG) Slog.v(TAG, "Initiating attach with token: " + mCurToken); 1244 executeOrSendMessage(mCurMethod, mCaller.obtainMessageOO( 1245 MSG_ATTACH_TOKEN, mCurMethod, mCurToken)); 1246 if (mCurClient != null) { 1247 if (DEBUG) Slog.v(TAG, "Creating first session while with client " 1248 + mCurClient); 1249 executeOrSendMessage(mCurMethod, mCaller.obtainMessageOO( 1250 MSG_CREATE_SESSION, mCurMethod, 1251 new MethodCallback(mCurMethod, this))); 1252 } 1253 } 1254 } 1255 } 1256 1257 void onSessionCreated(IInputMethod method, IInputMethodSession session) { 1258 synchronized (mMethodMap) { 1259 if (mCurMethod != null && method != null 1260 && mCurMethod.asBinder() == method.asBinder()) { 1261 if (mCurClient != null) { 1262 mCurClient.curSession = new SessionState(mCurClient, 1263 method, session); 1264 mCurClient.sessionRequested = false; 1265 InputBindResult res = attachNewInputLocked(true); 1266 if (res.method != null) { 1267 executeOrSendMessage(mCurClient.client, mCaller.obtainMessageOO( 1268 MSG_BIND_METHOD, mCurClient.client, res)); 1269 } 1270 } 1271 } 1272 } 1273 } 1274 1275 void unbindCurrentMethodLocked(boolean reportToClient) { 1276 if (mVisibleBound) { 1277 mContext.unbindService(mVisibleConnection); 1278 mVisibleBound = false; 1279 } 1280 1281 if (mHaveConnection) { 1282 mContext.unbindService(this); 1283 mHaveConnection = false; 1284 } 1285 1286 if (mCurToken != null) { 1287 try { 1288 if (DEBUG) Slog.v(TAG, "Removing window token: " + mCurToken); 1289 if ((mImeWindowVis & InputMethodService.IME_ACTIVE) != 0) { 1290 // The current IME is shown. Hence an IME switch (transition) is happening. 1291 mWindowManagerService.saveLastInputMethodWindowForTransition(); 1292 } 1293 mIWindowManager.removeWindowToken(mCurToken); 1294 } catch (RemoteException e) { 1295 } 1296 mCurToken = null; 1297 } 1298 1299 mCurId = null; 1300 clearCurMethodLocked(); 1301 1302 if (reportToClient && mCurClient != null) { 1303 executeOrSendMessage(mCurClient.client, mCaller.obtainMessageIO( 1304 MSG_UNBIND_METHOD, mCurSeq, mCurClient.client)); 1305 } 1306 } 1307 1308 private void finishSession(SessionState sessionState) { 1309 if (sessionState != null && sessionState.session != null) { 1310 try { 1311 sessionState.session.finishSession(); 1312 } catch (RemoteException e) { 1313 Slog.w(TAG, "Session failed to close due to remote exception", e); 1314 setImeWindowVisibilityStatusHiddenLocked(); 1315 } 1316 } 1317 } 1318 1319 void clearCurMethodLocked() { 1320 if (mCurMethod != null) { 1321 for (ClientState cs : mClients.values()) { 1322 cs.sessionRequested = false; 1323 finishSession(cs.curSession); 1324 cs.curSession = null; 1325 } 1326 1327 finishSession(mEnabledSession); 1328 mEnabledSession = null; 1329 mCurMethod = null; 1330 } 1331 if (mStatusBar != null) { 1332 mStatusBar.setIconVisibility("ime", false); 1333 } 1334 } 1335 1336 @Override 1337 public void onServiceDisconnected(ComponentName name) { 1338 synchronized (mMethodMap) { 1339 if (DEBUG) Slog.v(TAG, "Service disconnected: " + name 1340 + " mCurIntent=" + mCurIntent); 1341 if (mCurMethod != null && mCurIntent != null 1342 && name.equals(mCurIntent.getComponent())) { 1343 clearCurMethodLocked(); 1344 // We consider this to be a new bind attempt, since the system 1345 // should now try to restart the service for us. 1346 mLastBindTime = SystemClock.uptimeMillis(); 1347 mShowRequested = mInputShown; 1348 mInputShown = false; 1349 if (mCurClient != null) { 1350 executeOrSendMessage(mCurClient.client, mCaller.obtainMessageIO( 1351 MSG_UNBIND_METHOD, mCurSeq, mCurClient.client)); 1352 } 1353 } 1354 } 1355 } 1356 1357 @Override 1358 public void updateStatusIcon(IBinder token, String packageName, int iconId) { 1359 int uid = Binder.getCallingUid(); 1360 long ident = Binder.clearCallingIdentity(); 1361 try { 1362 if (token == null || mCurToken != token) { 1363 Slog.w(TAG, "Ignoring setInputMethod of uid " + uid + " token: " + token); 1364 return; 1365 } 1366 1367 synchronized (mMethodMap) { 1368 if (iconId == 0) { 1369 if (DEBUG) Slog.d(TAG, "hide the small icon for the input method"); 1370 if (mStatusBar != null) { 1371 mStatusBar.setIconVisibility("ime", false); 1372 } 1373 } else if (packageName != null) { 1374 if (DEBUG) Slog.d(TAG, "show a small icon for the input method"); 1375 CharSequence contentDescription = null; 1376 try { 1377 // Use PackageManager to load label 1378 final PackageManager packageManager = mContext.getPackageManager(); 1379 contentDescription = packageManager.getApplicationLabel( 1380 mIPackageManager.getApplicationInfo(packageName, 0, 1381 mSettings.getCurrentUserId())); 1382 } catch (RemoteException e) { 1383 /* ignore */ 1384 } 1385 if (mStatusBar != null) { 1386 mStatusBar.setIcon("ime", packageName, iconId, 0, 1387 contentDescription != null 1388 ? contentDescription.toString() : null); 1389 mStatusBar.setIconVisibility("ime", true); 1390 } 1391 } 1392 } 1393 } finally { 1394 Binder.restoreCallingIdentity(ident); 1395 } 1396 } 1397 1398 private boolean needsToShowImeSwitchOngoingNotification() { 1399 if (!mShowOngoingImeSwitcherForPhones) return false; 1400 if (isScreenLocked()) return false; 1401 synchronized (mMethodMap) { 1402 List<InputMethodInfo> imis = mSettings.getEnabledInputMethodListLocked(); 1403 final int N = imis.size(); 1404 if (N > 2) return true; 1405 if (N < 1) return false; 1406 int nonAuxCount = 0; 1407 int auxCount = 0; 1408 InputMethodSubtype nonAuxSubtype = null; 1409 InputMethodSubtype auxSubtype = null; 1410 for(int i = 0; i < N; ++i) { 1411 final InputMethodInfo imi = imis.get(i); 1412 final List<InputMethodSubtype> subtypes = getEnabledInputMethodSubtypeListLocked( 1413 imi, true); 1414 final int subtypeCount = subtypes.size(); 1415 if (subtypeCount == 0) { 1416 ++nonAuxCount; 1417 } else { 1418 for (int j = 0; j < subtypeCount; ++j) { 1419 final InputMethodSubtype subtype = subtypes.get(j); 1420 if (!subtype.isAuxiliary()) { 1421 ++nonAuxCount; 1422 nonAuxSubtype = subtype; 1423 } else { 1424 ++auxCount; 1425 auxSubtype = subtype; 1426 } 1427 } 1428 } 1429 } 1430 if (nonAuxCount > 1 || auxCount > 1) { 1431 return true; 1432 } else if (nonAuxCount == 1 && auxCount == 1) { 1433 if (nonAuxSubtype != null && auxSubtype != null 1434 && (nonAuxSubtype.getLocale().equals(auxSubtype.getLocale()) 1435 || auxSubtype.overridesImplicitlyEnabledSubtype() 1436 || nonAuxSubtype.overridesImplicitlyEnabledSubtype()) 1437 && nonAuxSubtype.containsExtraValueKey(TAG_TRY_SUPPRESSING_IME_SWITCHER)) { 1438 return false; 1439 } 1440 return true; 1441 } 1442 return false; 1443 } 1444 } 1445 1446 // Caution! This method is called in this class. Handle multi-user carefully 1447 @SuppressWarnings("deprecation") 1448 @Override 1449 public void setImeWindowStatus(IBinder token, int vis, int backDisposition) { 1450 final long ident = Binder.clearCallingIdentity(); 1451 try { 1452 if (token == null || mCurToken != token) { 1453 int uid = Binder.getCallingUid(); 1454 Slog.w(TAG, "Ignoring setImeWindowStatus of uid " + uid + " token: " + token); 1455 return; 1456 } 1457 1458 synchronized (mMethodMap) { 1459 mImeWindowVis = vis; 1460 mBackDisposition = backDisposition; 1461 if (mStatusBar != null) { 1462 mStatusBar.setImeWindowStatus(token, vis, backDisposition); 1463 } 1464 final boolean iconVisibility = (vis & InputMethodService.IME_ACTIVE) != 0; 1465 final InputMethodInfo imi = mMethodMap.get(mCurMethodId); 1466 if (imi != null && iconVisibility && needsToShowImeSwitchOngoingNotification()) { 1467 // Used to load label 1468 final PackageManager pm = mContext.getPackageManager(); 1469 final CharSequence title = mRes.getText( 1470 com.android.internal.R.string.select_input_method); 1471 final CharSequence imiLabel = imi.loadLabel(pm); 1472 if (DEBUG) { 1473 Slog.d(TAG, "--- imiLabel = " + imiLabel); 1474 } 1475 final CharSequence summary = mCurrentSubtype != null 1476 ? TextUtils.concat(mCurrentSubtype.getDisplayName(mContext, 1477 imi.getPackageName(), imi.getServiceInfo().applicationInfo), 1478 (TextUtils.isEmpty(imiLabel) ? 1479 "" : " - " + imiLabel)) 1480 : imiLabel; 1481 1482 mImeSwitcherNotification.setLatestEventInfo( 1483 mContext, title, summary, mImeSwitchPendingIntent); 1484 if (mNotificationManager != null) { 1485 mNotificationManager.notify( 1486 com.android.internal.R.string.select_input_method, 1487 mImeSwitcherNotification); 1488 mNotificationShown = true; 1489 } 1490 } else { 1491 if (mNotificationShown && mNotificationManager != null) { 1492 mNotificationManager.cancel( 1493 com.android.internal.R.string.select_input_method); 1494 mNotificationShown = false; 1495 } 1496 } 1497 } 1498 } finally { 1499 Binder.restoreCallingIdentity(ident); 1500 } 1501 } 1502 1503 @Override 1504 public void registerSuggestionSpansForNotification(SuggestionSpan[] spans) { 1505 if (!calledFromValidUser()) { 1506 return; 1507 } 1508 synchronized (mMethodMap) { 1509 final InputMethodInfo currentImi = mMethodMap.get(mCurMethodId); 1510 for (int i = 0; i < spans.length; ++i) { 1511 SuggestionSpan ss = spans[i]; 1512 if (!TextUtils.isEmpty(ss.getNotificationTargetClassName())) { 1513 mSecureSuggestionSpans.put(ss, currentImi); 1514 final InputMethodInfo targetImi = mSecureSuggestionSpans.get(ss); 1515 } 1516 } 1517 } 1518 } 1519 1520 @Override 1521 public boolean notifySuggestionPicked(SuggestionSpan span, String originalString, int index) { 1522 if (!calledFromValidUser()) { 1523 return false; 1524 } 1525 synchronized (mMethodMap) { 1526 final InputMethodInfo targetImi = mSecureSuggestionSpans.get(span); 1527 // TODO: Do not send the intent if the process of the targetImi is already dead. 1528 if (targetImi != null) { 1529 final String[] suggestions = span.getSuggestions(); 1530 if (index < 0 || index >= suggestions.length) return false; 1531 final String className = span.getNotificationTargetClassName(); 1532 final Intent intent = new Intent(); 1533 // Ensures that only a class in the original IME package will receive the 1534 // notification. 1535 intent.setClassName(targetImi.getPackageName(), className); 1536 intent.setAction(SuggestionSpan.ACTION_SUGGESTION_PICKED); 1537 intent.putExtra(SuggestionSpan.SUGGESTION_SPAN_PICKED_BEFORE, originalString); 1538 intent.putExtra(SuggestionSpan.SUGGESTION_SPAN_PICKED_AFTER, suggestions[index]); 1539 intent.putExtra(SuggestionSpan.SUGGESTION_SPAN_PICKED_HASHCODE, span.hashCode()); 1540 mContext.sendBroadcast(intent); 1541 return true; 1542 } 1543 } 1544 return false; 1545 } 1546 1547 void updateFromSettingsLocked() { 1548 // We are assuming that whoever is changing DEFAULT_INPUT_METHOD and 1549 // ENABLED_INPUT_METHODS is taking care of keeping them correctly in 1550 // sync, so we will never have a DEFAULT_INPUT_METHOD that is not 1551 // enabled. 1552 String id = mSettings.getSelectedInputMethod(); 1553 // There is no input method selected, try to choose new applicable input method. 1554 if (TextUtils.isEmpty(id) && chooseNewDefaultIMELocked()) { 1555 id = mSettings.getSelectedInputMethod(); 1556 } 1557 if (!TextUtils.isEmpty(id)) { 1558 try { 1559 setInputMethodLocked(id, getSelectedInputMethodSubtypeId(id)); 1560 } catch (IllegalArgumentException e) { 1561 Slog.w(TAG, "Unknown input method from prefs: " + id, e); 1562 mCurMethodId = null; 1563 unbindCurrentMethodLocked(true); 1564 } 1565 mShortcutInputMethodsAndSubtypes.clear(); 1566 } else { 1567 // There is no longer an input method set, so stop any current one. 1568 mCurMethodId = null; 1569 unbindCurrentMethodLocked(true); 1570 } 1571 } 1572 1573 /* package */ void setInputMethodLocked(String id, int subtypeId) { 1574 InputMethodInfo info = mMethodMap.get(id); 1575 if (info == null) { 1576 throw new IllegalArgumentException("Unknown id: " + id); 1577 } 1578 1579 // See if we need to notify a subtype change within the same IME. 1580 if (id.equals(mCurMethodId)) { 1581 final int subtypeCount = info.getSubtypeCount(); 1582 if (subtypeCount <= 0) { 1583 return; 1584 } 1585 final InputMethodSubtype oldSubtype = mCurrentSubtype; 1586 final InputMethodSubtype newSubtype; 1587 if (subtypeId >= 0 && subtypeId < subtypeCount) { 1588 newSubtype = info.getSubtypeAt(subtypeId); 1589 } else { 1590 // If subtype is null, try to find the most applicable one from 1591 // getCurrentInputMethodSubtype. 1592 newSubtype = getCurrentInputMethodSubtypeLocked(); 1593 } 1594 if (newSubtype == null || oldSubtype == null) { 1595 Slog.w(TAG, "Illegal subtype state: old subtype = " + oldSubtype 1596 + ", new subtype = " + newSubtype); 1597 return; 1598 } 1599 if (newSubtype != oldSubtype) { 1600 setSelectedInputMethodAndSubtypeLocked(info, subtypeId, true); 1601 if (mCurMethod != null) { 1602 try { 1603 refreshImeWindowVisibilityLocked(); 1604 mCurMethod.changeInputMethodSubtype(newSubtype); 1605 } catch (RemoteException e) { 1606 Slog.w(TAG, "Failed to call changeInputMethodSubtype"); 1607 } 1608 } 1609 } 1610 return; 1611 } 1612 1613 // Changing to a different IME. 1614 final long ident = Binder.clearCallingIdentity(); 1615 try { 1616 // Set a subtype to this input method. 1617 // subtypeId the name of a subtype which will be set. 1618 setSelectedInputMethodAndSubtypeLocked(info, subtypeId, false); 1619 // mCurMethodId should be updated after setSelectedInputMethodAndSubtypeLocked() 1620 // because mCurMethodId is stored as a history in 1621 // setSelectedInputMethodAndSubtypeLocked(). 1622 mCurMethodId = id; 1623 1624 if (ActivityManagerNative.isSystemReady()) { 1625 Intent intent = new Intent(Intent.ACTION_INPUT_METHOD_CHANGED); 1626 intent.addFlags(Intent.FLAG_RECEIVER_REPLACE_PENDING); 1627 intent.putExtra("input_method_id", id); 1628 mContext.sendBroadcast(intent); 1629 } 1630 unbindCurrentClientLocked(); 1631 } finally { 1632 Binder.restoreCallingIdentity(ident); 1633 } 1634 } 1635 1636 @Override 1637 public boolean showSoftInput(IInputMethodClient client, int flags, 1638 ResultReceiver resultReceiver) { 1639 if (!calledFromValidUser()) { 1640 return false; 1641 } 1642 int uid = Binder.getCallingUid(); 1643 long ident = Binder.clearCallingIdentity(); 1644 try { 1645 synchronized (mMethodMap) { 1646 if (mCurClient == null || client == null 1647 || mCurClient.client.asBinder() != client.asBinder()) { 1648 try { 1649 // We need to check if this is the current client with 1650 // focus in the window manager, to allow this call to 1651 // be made before input is started in it. 1652 if (!mIWindowManager.inputMethodClientHasFocus(client)) { 1653 Slog.w(TAG, "Ignoring showSoftInput of uid " + uid + ": " + client); 1654 return false; 1655 } 1656 } catch (RemoteException e) { 1657 return false; 1658 } 1659 } 1660 1661 if (DEBUG) Slog.v(TAG, "Client requesting input be shown"); 1662 return showCurrentInputLocked(flags, resultReceiver); 1663 } 1664 } finally { 1665 Binder.restoreCallingIdentity(ident); 1666 } 1667 } 1668 1669 boolean showCurrentInputLocked(int flags, ResultReceiver resultReceiver) { 1670 mShowRequested = true; 1671 if ((flags&InputMethodManager.SHOW_IMPLICIT) == 0) { 1672 mShowExplicitlyRequested = true; 1673 } 1674 if ((flags&InputMethodManager.SHOW_FORCED) != 0) { 1675 mShowExplicitlyRequested = true; 1676 mShowForced = true; 1677 } 1678 1679 if (!mSystemReady) { 1680 return false; 1681 } 1682 1683 boolean res = false; 1684 if (mCurMethod != null) { 1685 executeOrSendMessage(mCurMethod, mCaller.obtainMessageIOO( 1686 MSG_SHOW_SOFT_INPUT, getImeShowFlags(), mCurMethod, 1687 resultReceiver)); 1688 mInputShown = true; 1689 if (mHaveConnection && !mVisibleBound) { 1690 bindCurrentInputMethodService( 1691 mCurIntent, mVisibleConnection, Context.BIND_AUTO_CREATE); 1692 mVisibleBound = true; 1693 } 1694 res = true; 1695 } else if (mHaveConnection && SystemClock.uptimeMillis() 1696 >= (mLastBindTime+TIME_TO_RECONNECT)) { 1697 // The client has asked to have the input method shown, but 1698 // we have been sitting here too long with a connection to the 1699 // service and no interface received, so let's disconnect/connect 1700 // to try to prod things along. 1701 EventLog.writeEvent(EventLogTags.IMF_FORCE_RECONNECT_IME, mCurMethodId, 1702 SystemClock.uptimeMillis()-mLastBindTime,1); 1703 Slog.w(TAG, "Force disconnect/connect to the IME in showCurrentInputLocked()"); 1704 mContext.unbindService(this); 1705 bindCurrentInputMethodService(mCurIntent, this, Context.BIND_AUTO_CREATE 1706 | Context.BIND_NOT_VISIBLE); 1707 } else { 1708 if (DEBUG) { 1709 Slog.d(TAG, "Can't show input: connection = " + mHaveConnection + ", time = " 1710 + ((mLastBindTime+TIME_TO_RECONNECT) - SystemClock.uptimeMillis())); 1711 } 1712 } 1713 1714 return res; 1715 } 1716 1717 @Override 1718 public boolean hideSoftInput(IInputMethodClient client, int flags, 1719 ResultReceiver resultReceiver) { 1720 if (!calledFromValidUser()) { 1721 return false; 1722 } 1723 int uid = Binder.getCallingUid(); 1724 long ident = Binder.clearCallingIdentity(); 1725 try { 1726 synchronized (mMethodMap) { 1727 if (mCurClient == null || client == null 1728 || mCurClient.client.asBinder() != client.asBinder()) { 1729 try { 1730 // We need to check if this is the current client with 1731 // focus in the window manager, to allow this call to 1732 // be made before input is started in it. 1733 if (!mIWindowManager.inputMethodClientHasFocus(client)) { 1734 if (DEBUG) Slog.w(TAG, "Ignoring hideSoftInput of uid " 1735 + uid + ": " + client); 1736 setImeWindowVisibilityStatusHiddenLocked(); 1737 return false; 1738 } 1739 } catch (RemoteException e) { 1740 setImeWindowVisibilityStatusHiddenLocked(); 1741 return false; 1742 } 1743 } 1744 1745 if (DEBUG) Slog.v(TAG, "Client requesting input be hidden"); 1746 return hideCurrentInputLocked(flags, resultReceiver); 1747 } 1748 } finally { 1749 Binder.restoreCallingIdentity(ident); 1750 } 1751 } 1752 1753 boolean hideCurrentInputLocked(int flags, ResultReceiver resultReceiver) { 1754 if ((flags&InputMethodManager.HIDE_IMPLICIT_ONLY) != 0 1755 && (mShowExplicitlyRequested || mShowForced)) { 1756 if (DEBUG) Slog.v(TAG, 1757 "Not hiding: explicit show not cancelled by non-explicit hide"); 1758 return false; 1759 } 1760 if (mShowForced && (flags&InputMethodManager.HIDE_NOT_ALWAYS) != 0) { 1761 if (DEBUG) Slog.v(TAG, 1762 "Not hiding: forced show not cancelled by not-always hide"); 1763 return false; 1764 } 1765 boolean res; 1766 if (mInputShown && mCurMethod != null) { 1767 executeOrSendMessage(mCurMethod, mCaller.obtainMessageOO( 1768 MSG_HIDE_SOFT_INPUT, mCurMethod, resultReceiver)); 1769 res = true; 1770 } else { 1771 res = false; 1772 } 1773 if (mHaveConnection && mVisibleBound) { 1774 mContext.unbindService(mVisibleConnection); 1775 mVisibleBound = false; 1776 } 1777 mInputShown = false; 1778 mShowRequested = false; 1779 mShowExplicitlyRequested = false; 1780 mShowForced = false; 1781 return res; 1782 } 1783 1784 @Override 1785 public InputBindResult windowGainedFocus(IInputMethodClient client, IBinder windowToken, 1786 int controlFlags, int softInputMode, int windowFlags, 1787 EditorInfo attribute, IInputContext inputContext) { 1788 if (!calledFromValidUser()) { 1789 return null; 1790 } 1791 InputBindResult res = null; 1792 long ident = Binder.clearCallingIdentity(); 1793 try { 1794 synchronized (mMethodMap) { 1795 if (DEBUG) Slog.v(TAG, "windowGainedFocus: " + client.asBinder() 1796 + " controlFlags=#" + Integer.toHexString(controlFlags) 1797 + " softInputMode=#" + Integer.toHexString(softInputMode) 1798 + " windowFlags=#" + Integer.toHexString(windowFlags)); 1799 1800 ClientState cs = mClients.get(client.asBinder()); 1801 if (cs == null) { 1802 throw new IllegalArgumentException("unknown client " 1803 + client.asBinder()); 1804 } 1805 1806 try { 1807 if (!mIWindowManager.inputMethodClientHasFocus(cs.client)) { 1808 // Check with the window manager to make sure this client actually 1809 // has a window with focus. If not, reject. This is thread safe 1810 // because if the focus changes some time before or after, the 1811 // next client receiving focus that has any interest in input will 1812 // be calling through here after that change happens. 1813 Slog.w(TAG, "Focus gain on non-focused client " + cs.client 1814 + " (uid=" + cs.uid + " pid=" + cs.pid + ")"); 1815 return null; 1816 } 1817 } catch (RemoteException e) { 1818 } 1819 1820 if (mCurFocusedWindow == windowToken) { 1821 Slog.w(TAG, "Window already focused, ignoring focus gain of: " + client 1822 + " attribute=" + attribute); 1823 if (attribute != null) { 1824 return startInputUncheckedLocked(cs, inputContext, attribute, 1825 controlFlags); 1826 } 1827 return null; 1828 } 1829 mCurFocusedWindow = windowToken; 1830 1831 // Should we auto-show the IME even if the caller has not 1832 // specified what should be done with it? 1833 // We only do this automatically if the window can resize 1834 // to accommodate the IME (so what the user sees will give 1835 // them good context without input information being obscured 1836 // by the IME) or if running on a large screen where there 1837 // is more room for the target window + IME. 1838 final boolean doAutoShow = 1839 (softInputMode & WindowManager.LayoutParams.SOFT_INPUT_MASK_ADJUST) 1840 == WindowManager.LayoutParams.SOFT_INPUT_ADJUST_RESIZE 1841 || mRes.getConfiguration().isLayoutSizeAtLeast( 1842 Configuration.SCREENLAYOUT_SIZE_LARGE); 1843 final boolean isTextEditor = 1844 (controlFlags&InputMethodManager.CONTROL_WINDOW_IS_TEXT_EDITOR) != 0; 1845 1846 // We want to start input before showing the IME, but after closing 1847 // it. We want to do this after closing it to help the IME disappear 1848 // more quickly (not get stuck behind it initializing itself for the 1849 // new focused input, even if its window wants to hide the IME). 1850 boolean didStart = false; 1851 1852 switch (softInputMode&WindowManager.LayoutParams.SOFT_INPUT_MASK_STATE) { 1853 case WindowManager.LayoutParams.SOFT_INPUT_STATE_UNSPECIFIED: 1854 if (!isTextEditor || !doAutoShow) { 1855 if (WindowManager.LayoutParams.mayUseInputMethod(windowFlags)) { 1856 // There is no focus view, and this window will 1857 // be behind any soft input window, so hide the 1858 // soft input window if it is shown. 1859 if (DEBUG) Slog.v(TAG, "Unspecified window will hide input"); 1860 hideCurrentInputLocked(InputMethodManager.HIDE_NOT_ALWAYS, null); 1861 } 1862 } else if (isTextEditor && doAutoShow && (softInputMode & 1863 WindowManager.LayoutParams.SOFT_INPUT_IS_FORWARD_NAVIGATION) != 0) { 1864 // There is a focus view, and we are navigating forward 1865 // into the window, so show the input window for the user. 1866 // We only do this automatically if the window can resize 1867 // to accommodate the IME (so what the user sees will give 1868 // them good context without input information being obscured 1869 // by the IME) or if running on a large screen where there 1870 // is more room for the target window + IME. 1871 if (DEBUG) Slog.v(TAG, "Unspecified window will show input"); 1872 if (attribute != null) { 1873 res = startInputUncheckedLocked(cs, inputContext, attribute, 1874 controlFlags); 1875 didStart = true; 1876 } 1877 showCurrentInputLocked(InputMethodManager.SHOW_IMPLICIT, null); 1878 } 1879 break; 1880 case WindowManager.LayoutParams.SOFT_INPUT_STATE_UNCHANGED: 1881 // Do nothing. 1882 break; 1883 case WindowManager.LayoutParams.SOFT_INPUT_STATE_HIDDEN: 1884 if ((softInputMode & 1885 WindowManager.LayoutParams.SOFT_INPUT_IS_FORWARD_NAVIGATION) != 0) { 1886 if (DEBUG) Slog.v(TAG, "Window asks to hide input going forward"); 1887 hideCurrentInputLocked(0, null); 1888 } 1889 break; 1890 case WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_HIDDEN: 1891 if (DEBUG) Slog.v(TAG, "Window asks to hide input"); 1892 hideCurrentInputLocked(0, null); 1893 break; 1894 case WindowManager.LayoutParams.SOFT_INPUT_STATE_VISIBLE: 1895 if ((softInputMode & 1896 WindowManager.LayoutParams.SOFT_INPUT_IS_FORWARD_NAVIGATION) != 0) { 1897 if (DEBUG) Slog.v(TAG, "Window asks to show input going forward"); 1898 if (attribute != null) { 1899 res = startInputUncheckedLocked(cs, inputContext, attribute, 1900 controlFlags); 1901 didStart = true; 1902 } 1903 showCurrentInputLocked(InputMethodManager.SHOW_IMPLICIT, null); 1904 } 1905 break; 1906 case WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_VISIBLE: 1907 if (DEBUG) Slog.v(TAG, "Window asks to always show input"); 1908 if (attribute != null) { 1909 res = startInputUncheckedLocked(cs, inputContext, attribute, 1910 controlFlags); 1911 didStart = true; 1912 } 1913 showCurrentInputLocked(InputMethodManager.SHOW_IMPLICIT, null); 1914 break; 1915 } 1916 1917 if (!didStart && attribute != null) { 1918 res = startInputUncheckedLocked(cs, inputContext, attribute, 1919 controlFlags); 1920 } 1921 } 1922 } finally { 1923 Binder.restoreCallingIdentity(ident); 1924 } 1925 1926 return res; 1927 } 1928 1929 @Override 1930 public void showInputMethodPickerFromClient(IInputMethodClient client) { 1931 if (!calledFromValidUser()) { 1932 return; 1933 } 1934 synchronized (mMethodMap) { 1935 if (mCurClient == null || client == null 1936 || mCurClient.client.asBinder() != client.asBinder()) { 1937 Slog.w(TAG, "Ignoring showInputMethodPickerFromClient of uid " 1938 + Binder.getCallingUid() + ": " + client); 1939 } 1940 1941 // Always call subtype picker, because subtype picker is a superset of input method 1942 // picker. 1943 mHandler.sendEmptyMessage(MSG_SHOW_IM_SUBTYPE_PICKER); 1944 } 1945 } 1946 1947 @Override 1948 public void setInputMethod(IBinder token, String id) { 1949 if (!calledFromValidUser()) { 1950 return; 1951 } 1952 setInputMethodWithSubtypeId(token, id, NOT_A_SUBTYPE_ID); 1953 } 1954 1955 @Override 1956 public void setInputMethodAndSubtype(IBinder token, String id, InputMethodSubtype subtype) { 1957 if (!calledFromValidUser()) { 1958 return; 1959 } 1960 synchronized (mMethodMap) { 1961 if (subtype != null) { 1962 setInputMethodWithSubtypeId(token, id, getSubtypeIdFromHashCode( 1963 mMethodMap.get(id), subtype.hashCode())); 1964 } else { 1965 setInputMethod(token, id); 1966 } 1967 } 1968 } 1969 1970 @Override 1971 public void showInputMethodAndSubtypeEnablerFromClient( 1972 IInputMethodClient client, String inputMethodId) { 1973 if (!calledFromValidUser()) { 1974 return; 1975 } 1976 synchronized (mMethodMap) { 1977 if (mCurClient == null || client == null 1978 || mCurClient.client.asBinder() != client.asBinder()) { 1979 Slog.w(TAG, "Ignoring showInputMethodAndSubtypeEnablerFromClient of: " + client); 1980 } 1981 executeOrSendMessage(mCurMethod, mCaller.obtainMessageO( 1982 MSG_SHOW_IM_SUBTYPE_ENABLER, inputMethodId)); 1983 } 1984 } 1985 1986 @Override 1987 public boolean switchToLastInputMethod(IBinder token) { 1988 if (!calledFromValidUser()) { 1989 return false; 1990 } 1991 synchronized (mMethodMap) { 1992 final Pair<String, String> lastIme = mSettings.getLastInputMethodAndSubtypeLocked(); 1993 final InputMethodInfo lastImi; 1994 if (lastIme != null) { 1995 lastImi = mMethodMap.get(lastIme.first); 1996 } else { 1997 lastImi = null; 1998 } 1999 String targetLastImiId = null; 2000 int subtypeId = NOT_A_SUBTYPE_ID; 2001 if (lastIme != null && lastImi != null) { 2002 final boolean imiIdIsSame = lastImi.getId().equals(mCurMethodId); 2003 final int lastSubtypeHash = Integer.valueOf(lastIme.second); 2004 final int currentSubtypeHash = mCurrentSubtype == null ? NOT_A_SUBTYPE_ID 2005 : mCurrentSubtype.hashCode(); 2006 // If the last IME is the same as the current IME and the last subtype is not 2007 // defined, there is no need to switch to the last IME. 2008 if (!imiIdIsSame || lastSubtypeHash != currentSubtypeHash) { 2009 targetLastImiId = lastIme.first; 2010 subtypeId = getSubtypeIdFromHashCode(lastImi, lastSubtypeHash); 2011 } 2012 } 2013 2014 if (TextUtils.isEmpty(targetLastImiId) && !canAddToLastInputMethod(mCurrentSubtype)) { 2015 // This is a safety net. If the currentSubtype can't be added to the history 2016 // and the framework couldn't find the last ime, we will make the last ime be 2017 // the most applicable enabled keyboard subtype of the system imes. 2018 final List<InputMethodInfo> enabled = mSettings.getEnabledInputMethodListLocked(); 2019 if (enabled != null) { 2020 final int N = enabled.size(); 2021 final String locale = mCurrentSubtype == null 2022 ? mRes.getConfiguration().locale.toString() 2023 : mCurrentSubtype.getLocale(); 2024 for (int i = 0; i < N; ++i) { 2025 final InputMethodInfo imi = enabled.get(i); 2026 if (imi.getSubtypeCount() > 0 && isSystemIme(imi)) { 2027 InputMethodSubtype keyboardSubtype = 2028 findLastResortApplicableSubtypeLocked(mRes, getSubtypes(imi), 2029 SUBTYPE_MODE_KEYBOARD, locale, true); 2030 if (keyboardSubtype != null) { 2031 targetLastImiId = imi.getId(); 2032 subtypeId = getSubtypeIdFromHashCode( 2033 imi, keyboardSubtype.hashCode()); 2034 if(keyboardSubtype.getLocale().equals(locale)) { 2035 break; 2036 } 2037 } 2038 } 2039 } 2040 } 2041 } 2042 2043 if (!TextUtils.isEmpty(targetLastImiId)) { 2044 if (DEBUG) { 2045 Slog.d(TAG, "Switch to: " + lastImi.getId() + ", " + lastIme.second 2046 + ", from: " + mCurMethodId + ", " + subtypeId); 2047 } 2048 setInputMethodWithSubtypeId(token, targetLastImiId, subtypeId); 2049 return true; 2050 } else { 2051 return false; 2052 } 2053 } 2054 } 2055 2056 @Override 2057 public boolean switchToNextInputMethod(IBinder token, boolean onlyCurrentIme) { 2058 if (!calledFromValidUser()) { 2059 return false; 2060 } 2061 synchronized (mMethodMap) { 2062 final ImeSubtypeListItem nextSubtype = mImListManager.getNextInputMethod( 2063 onlyCurrentIme, mMethodMap.get(mCurMethodId), mCurrentSubtype); 2064 if (nextSubtype == null) { 2065 return false; 2066 } 2067 setInputMethodWithSubtypeId(token, nextSubtype.mImi.getId(), nextSubtype.mSubtypeId); 2068 return true; 2069 } 2070 } 2071 2072 @Override 2073 public InputMethodSubtype getLastInputMethodSubtype() { 2074 if (!calledFromValidUser()) { 2075 return null; 2076 } 2077 synchronized (mMethodMap) { 2078 final Pair<String, String> lastIme = mSettings.getLastInputMethodAndSubtypeLocked(); 2079 // TODO: Handle the case of the last IME with no subtypes 2080 if (lastIme == null || TextUtils.isEmpty(lastIme.first) 2081 || TextUtils.isEmpty(lastIme.second)) return null; 2082 final InputMethodInfo lastImi = mMethodMap.get(lastIme.first); 2083 if (lastImi == null) return null; 2084 try { 2085 final int lastSubtypeHash = Integer.valueOf(lastIme.second); 2086 final int lastSubtypeId = getSubtypeIdFromHashCode(lastImi, lastSubtypeHash); 2087 if (lastSubtypeId < 0 || lastSubtypeId >= lastImi.getSubtypeCount()) { 2088 return null; 2089 } 2090 return lastImi.getSubtypeAt(lastSubtypeId); 2091 } catch (NumberFormatException e) { 2092 return null; 2093 } 2094 } 2095 } 2096 2097 @Override 2098 public void setAdditionalInputMethodSubtypes(String imiId, InputMethodSubtype[] subtypes) { 2099 if (!calledFromValidUser()) { 2100 return; 2101 } 2102 // By this IPC call, only a process which shares the same uid with the IME can add 2103 // additional input method subtypes to the IME. 2104 if (TextUtils.isEmpty(imiId) || subtypes == null || subtypes.length == 0) return; 2105 synchronized (mMethodMap) { 2106 final InputMethodInfo imi = mMethodMap.get(imiId); 2107 if (imi == null) return; 2108 final String[] packageInfos; 2109 try { 2110 packageInfos = mIPackageManager.getPackagesForUid(Binder.getCallingUid()); 2111 } catch (RemoteException e) { 2112 Slog.e(TAG, "Failed to get package infos"); 2113 return; 2114 } 2115 if (packageInfos != null) { 2116 final int packageNum = packageInfos.length; 2117 for (int i = 0; i < packageNum; ++i) { 2118 if (packageInfos[i].equals(imi.getPackageName())) { 2119 mFileManager.addInputMethodSubtypes(imi, subtypes); 2120 final long ident = Binder.clearCallingIdentity(); 2121 try { 2122 buildInputMethodListLocked(mMethodList, mMethodMap); 2123 } finally { 2124 Binder.restoreCallingIdentity(ident); 2125 } 2126 return; 2127 } 2128 } 2129 } 2130 } 2131 return; 2132 } 2133 2134 private void setInputMethodWithSubtypeId(IBinder token, String id, int subtypeId) { 2135 synchronized (mMethodMap) { 2136 if (token == null) { 2137 if (mContext.checkCallingOrSelfPermission( 2138 android.Manifest.permission.WRITE_SECURE_SETTINGS) 2139 != PackageManager.PERMISSION_GRANTED) { 2140 throw new SecurityException( 2141 "Using null token requires permission " 2142 + android.Manifest.permission.WRITE_SECURE_SETTINGS); 2143 } 2144 } else if (mCurToken != token) { 2145 Slog.w(TAG, "Ignoring setInputMethod of uid " + Binder.getCallingUid() 2146 + " token: " + token); 2147 return; 2148 } 2149 2150 final long ident = Binder.clearCallingIdentity(); 2151 try { 2152 setInputMethodLocked(id, subtypeId); 2153 } finally { 2154 Binder.restoreCallingIdentity(ident); 2155 } 2156 } 2157 } 2158 2159 @Override 2160 public void hideMySoftInput(IBinder token, int flags) { 2161 if (!calledFromValidUser()) { 2162 return; 2163 } 2164 synchronized (mMethodMap) { 2165 if (token == null || mCurToken != token) { 2166 if (DEBUG) Slog.w(TAG, "Ignoring hideInputMethod of uid " 2167 + Binder.getCallingUid() + " token: " + token); 2168 return; 2169 } 2170 long ident = Binder.clearCallingIdentity(); 2171 try { 2172 hideCurrentInputLocked(flags, null); 2173 } finally { 2174 Binder.restoreCallingIdentity(ident); 2175 } 2176 } 2177 } 2178 2179 @Override 2180 public void showMySoftInput(IBinder token, int flags) { 2181 if (!calledFromValidUser()) { 2182 return; 2183 } 2184 synchronized (mMethodMap) { 2185 if (token == null || mCurToken != token) { 2186 Slog.w(TAG, "Ignoring showMySoftInput of uid " 2187 + Binder.getCallingUid() + " token: " + token); 2188 return; 2189 } 2190 long ident = Binder.clearCallingIdentity(); 2191 try { 2192 showCurrentInputLocked(flags, null); 2193 } finally { 2194 Binder.restoreCallingIdentity(ident); 2195 } 2196 } 2197 } 2198 2199 void setEnabledSessionInMainThread(SessionState session) { 2200 if (mEnabledSession != session) { 2201 if (mEnabledSession != null) { 2202 try { 2203 if (DEBUG) Slog.v(TAG, "Disabling: " + mEnabledSession); 2204 mEnabledSession.method.setSessionEnabled( 2205 mEnabledSession.session, false); 2206 } catch (RemoteException e) { 2207 } 2208 } 2209 mEnabledSession = session; 2210 try { 2211 if (DEBUG) Slog.v(TAG, "Enabling: " + mEnabledSession); 2212 session.method.setSessionEnabled( 2213 session.session, true); 2214 } catch (RemoteException e) { 2215 } 2216 } 2217 } 2218 2219 @Override 2220 public boolean handleMessage(Message msg) { 2221 SomeArgs args; 2222 switch (msg.what) { 2223 case MSG_SHOW_IM_PICKER: 2224 showInputMethodMenu(); 2225 return true; 2226 2227 case MSG_SHOW_IM_SUBTYPE_PICKER: 2228 showInputMethodSubtypeMenu(); 2229 return true; 2230 2231 case MSG_SHOW_IM_SUBTYPE_ENABLER: 2232 args = (SomeArgs)msg.obj; 2233 showInputMethodAndSubtypeEnabler((String)args.arg1); 2234 args.recycle(); 2235 return true; 2236 2237 case MSG_SHOW_IM_CONFIG: 2238 showConfigureInputMethods(); 2239 return true; 2240 2241 // --------------------------------------------------------- 2242 2243 case MSG_UNBIND_INPUT: 2244 try { 2245 ((IInputMethod)msg.obj).unbindInput(); 2246 } catch (RemoteException e) { 2247 // There is nothing interesting about the method dying. 2248 } 2249 return true; 2250 case MSG_BIND_INPUT: 2251 args = (SomeArgs)msg.obj; 2252 try { 2253 ((IInputMethod)args.arg1).bindInput((InputBinding)args.arg2); 2254 } catch (RemoteException e) { 2255 } 2256 args.recycle(); 2257 return true; 2258 case MSG_SHOW_SOFT_INPUT: 2259 args = (SomeArgs)msg.obj; 2260 try { 2261 ((IInputMethod)args.arg1).showSoftInput(msg.arg1, 2262 (ResultReceiver)args.arg2); 2263 } catch (RemoteException e) { 2264 } 2265 args.recycle(); 2266 return true; 2267 case MSG_HIDE_SOFT_INPUT: 2268 args = (SomeArgs)msg.obj; 2269 try { 2270 ((IInputMethod)args.arg1).hideSoftInput(0, 2271 (ResultReceiver)args.arg2); 2272 } catch (RemoteException e) { 2273 } 2274 args.recycle(); 2275 return true; 2276 case MSG_ATTACH_TOKEN: 2277 args = (SomeArgs)msg.obj; 2278 try { 2279 if (DEBUG) Slog.v(TAG, "Sending attach of token: " + args.arg2); 2280 ((IInputMethod)args.arg1).attachToken((IBinder)args.arg2); 2281 } catch (RemoteException e) { 2282 } 2283 args.recycle(); 2284 return true; 2285 case MSG_CREATE_SESSION: 2286 args = (SomeArgs)msg.obj; 2287 try { 2288 ((IInputMethod)args.arg1).createSession( 2289 (IInputMethodCallback)args.arg2); 2290 } catch (RemoteException e) { 2291 } 2292 args.recycle(); 2293 return true; 2294 // --------------------------------------------------------- 2295 2296 case MSG_START_INPUT: 2297 args = (SomeArgs)msg.obj; 2298 try { 2299 SessionState session = (SessionState)args.arg1; 2300 setEnabledSessionInMainThread(session); 2301 session.method.startInput((IInputContext)args.arg2, 2302 (EditorInfo)args.arg3); 2303 } catch (RemoteException e) { 2304 } 2305 args.recycle(); 2306 return true; 2307 case MSG_RESTART_INPUT: 2308 args = (SomeArgs)msg.obj; 2309 try { 2310 SessionState session = (SessionState)args.arg1; 2311 setEnabledSessionInMainThread(session); 2312 session.method.restartInput((IInputContext)args.arg2, 2313 (EditorInfo)args.arg3); 2314 } catch (RemoteException e) { 2315 } 2316 args.recycle(); 2317 return true; 2318 2319 // --------------------------------------------------------- 2320 2321 case MSG_UNBIND_METHOD: 2322 try { 2323 ((IInputMethodClient)msg.obj).onUnbindMethod(msg.arg1); 2324 } catch (RemoteException e) { 2325 // There is nothing interesting about the last client dying. 2326 } 2327 return true; 2328 case MSG_BIND_METHOD: 2329 args = (SomeArgs)msg.obj; 2330 try { 2331 ((IInputMethodClient)args.arg1).onBindMethod( 2332 (InputBindResult)args.arg2); 2333 } catch (RemoteException e) { 2334 Slog.w(TAG, "Client died receiving input method " + args.arg2); 2335 } 2336 args.recycle(); 2337 return true; 2338 case MSG_SET_ACTIVE: 2339 try { 2340 ((ClientState)msg.obj).client.setActive(msg.arg1 != 0); 2341 } catch (RemoteException e) { 2342 Slog.w(TAG, "Got RemoteException sending setActive(false) notification to pid " 2343 + ((ClientState)msg.obj).pid + " uid " 2344 + ((ClientState)msg.obj).uid); 2345 } 2346 return true; 2347 2348 // -------------------------------------------------------------- 2349 case MSG_HARD_KEYBOARD_SWITCH_CHANGED: 2350 mHardKeyboardListener.handleHardKeyboardStatusChange( 2351 msg.arg1 == 1, msg.arg2 == 1); 2352 return true; 2353 } 2354 return false; 2355 } 2356 2357 private static boolean isSystemIme(InputMethodInfo inputMethod) { 2358 return (inputMethod.getServiceInfo().applicationInfo.flags 2359 & ApplicationInfo.FLAG_SYSTEM) != 0; 2360 } 2361 2362 private static ArrayList<InputMethodSubtype> getSubtypes(InputMethodInfo imi) { 2363 ArrayList<InputMethodSubtype> subtypes = new ArrayList<InputMethodSubtype>(); 2364 final int subtypeCount = imi.getSubtypeCount(); 2365 for (int i = 0; i < subtypeCount; ++i) { 2366 subtypes.add(imi.getSubtypeAt(i)); 2367 } 2368 return subtypes; 2369 } 2370 2371 private static ArrayList<InputMethodSubtype> getOverridingImplicitlyEnabledSubtypes( 2372 InputMethodInfo imi, String mode) { 2373 ArrayList<InputMethodSubtype> subtypes = new ArrayList<InputMethodSubtype>(); 2374 final int subtypeCount = imi.getSubtypeCount(); 2375 for (int i = 0; i < subtypeCount; ++i) { 2376 final InputMethodSubtype subtype = imi.getSubtypeAt(i); 2377 if (subtype.overridesImplicitlyEnabledSubtype() && subtype.getMode().equals(mode)) { 2378 subtypes.add(subtype); 2379 } 2380 } 2381 return subtypes; 2382 } 2383 2384 private InputMethodInfo getMostApplicableDefaultIMELocked() { 2385 List<InputMethodInfo> enabled = mSettings.getEnabledInputMethodListLocked(); 2386 if (enabled != null && enabled.size() > 0) { 2387 // We'd prefer to fall back on a system IME, since that is safer. 2388 int i = enabled.size(); 2389 int firstFoundSystemIme = -1; 2390 while (i > 0) { 2391 i--; 2392 final InputMethodInfo imi = enabled.get(i); 2393 if (isSystemImeThatHasEnglishSubtype(imi) && !imi.isAuxiliaryIme()) { 2394 return imi; 2395 } 2396 if (firstFoundSystemIme < 0 && isSystemIme(imi) && !imi.isAuxiliaryIme()) { 2397 firstFoundSystemIme = i; 2398 } 2399 } 2400 return enabled.get(Math.max(firstFoundSystemIme, 0)); 2401 } 2402 return null; 2403 } 2404 2405 private boolean chooseNewDefaultIMELocked() { 2406 final InputMethodInfo imi = getMostApplicableDefaultIMELocked(); 2407 if (imi != null) { 2408 if (DEBUG) { 2409 Slog.d(TAG, "New default IME was selected: " + imi.getId()); 2410 } 2411 resetSelectedInputMethodAndSubtypeLocked(imi.getId()); 2412 return true; 2413 } 2414 2415 return false; 2416 } 2417 2418 void buildInputMethodListLocked(ArrayList<InputMethodInfo> list, 2419 HashMap<String, InputMethodInfo> map) { 2420 if (DEBUG) { 2421 Slog.d(TAG, "--- re-buildInputMethodList " + ", \n ------ \n" + getStackTrace()); 2422 } 2423 list.clear(); 2424 map.clear(); 2425 2426 // Use for queryIntentServicesAsUser 2427 final PackageManager pm = mContext.getPackageManager(); 2428 final Configuration config = mRes.getConfiguration(); 2429 final boolean haveHardKeyboard = config.keyboard == Configuration.KEYBOARD_QWERTY; 2430 String disabledSysImes = mSettings.getDisabledSystemInputMethods(); 2431 if (disabledSysImes == null) disabledSysImes = ""; 2432 2433 final List<ResolveInfo> services = pm.queryIntentServicesAsUser( 2434 new Intent(InputMethod.SERVICE_INTERFACE), 2435 PackageManager.GET_META_DATA, mSettings.getCurrentUserId()); 2436 2437 final HashMap<String, List<InputMethodSubtype>> additionalSubtypes = 2438 mFileManager.getAllAdditionalInputMethodSubtypes(); 2439 for (int i = 0; i < services.size(); ++i) { 2440 ResolveInfo ri = services.get(i); 2441 ServiceInfo si = ri.serviceInfo; 2442 ComponentName compName = new ComponentName(si.packageName, si.name); 2443 if (!android.Manifest.permission.BIND_INPUT_METHOD.equals( 2444 si.permission)) { 2445 Slog.w(TAG, "Skipping input method " + compName 2446 + ": it does not require the permission " 2447 + android.Manifest.permission.BIND_INPUT_METHOD); 2448 continue; 2449 } 2450 2451 if (DEBUG) Slog.d(TAG, "Checking " + compName); 2452 2453 try { 2454 InputMethodInfo p = new InputMethodInfo(mContext, ri, additionalSubtypes); 2455 list.add(p); 2456 final String id = p.getId(); 2457 map.put(id, p); 2458 2459 // Valid system default IMEs and IMEs that have English subtypes are enabled 2460 // by default, unless there's a hard keyboard and the system IME was explicitly 2461 // disabled 2462 if ((isValidSystemDefaultIme(p, mContext) || isSystemImeThatHasEnglishSubtype(p)) 2463 && (!haveHardKeyboard || disabledSysImes.indexOf(id) < 0)) { 2464 setInputMethodEnabledLocked(id, true); 2465 } 2466 2467 if (DEBUG) { 2468 Slog.d(TAG, "Found a third-party input method " + p); 2469 } 2470 2471 } catch (XmlPullParserException e) { 2472 Slog.w(TAG, "Unable to load input method " + compName, e); 2473 } catch (IOException e) { 2474 Slog.w(TAG, "Unable to load input method " + compName, e); 2475 } 2476 } 2477 2478 final String defaultImiId = mSettings.getSelectedInputMethod(); 2479 if (!TextUtils.isEmpty(defaultImiId)) { 2480 if (!map.containsKey(defaultImiId)) { 2481 Slog.w(TAG, "Default IME is uninstalled. Choose new default IME."); 2482 if (chooseNewDefaultIMELocked()) { 2483 updateFromSettingsLocked(); 2484 } 2485 } else { 2486 // Double check that the default IME is certainly enabled. 2487 setInputMethodEnabledLocked(defaultImiId, true); 2488 } 2489 } 2490 } 2491 2492 // ---------------------------------------------------------------------- 2493 2494 private void showInputMethodMenu() { 2495 showInputMethodMenuInternal(false); 2496 } 2497 2498 private void showInputMethodSubtypeMenu() { 2499 showInputMethodMenuInternal(true); 2500 } 2501 2502 private void showInputMethodAndSubtypeEnabler(String inputMethodId) { 2503 Intent intent = new Intent(Settings.ACTION_INPUT_METHOD_SUBTYPE_SETTINGS); 2504 intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK 2505 | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED 2506 | Intent.FLAG_ACTIVITY_CLEAR_TOP); 2507 if (!TextUtils.isEmpty(inputMethodId)) { 2508 intent.putExtra(Settings.EXTRA_INPUT_METHOD_ID, inputMethodId); 2509 } 2510 mContext.startActivity(intent); 2511 } 2512 2513 private void showConfigureInputMethods() { 2514 Intent intent = new Intent(Settings.ACTION_INPUT_METHOD_SETTINGS); 2515 intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK 2516 | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED 2517 | Intent.FLAG_ACTIVITY_CLEAR_TOP); 2518 mContext.startActivity(intent); 2519 } 2520 2521 private boolean isScreenLocked() { 2522 return mKeyguardManager != null 2523 && mKeyguardManager.isKeyguardLocked() && mKeyguardManager.isKeyguardSecure(); 2524 } 2525 private void showInputMethodMenuInternal(boolean showSubtypes) { 2526 if (DEBUG) Slog.v(TAG, "Show switching menu"); 2527 2528 final Context context = mContext; 2529 final boolean isScreenLocked = isScreenLocked(); 2530 2531 final String lastInputMethodId = mSettings.getSelectedInputMethod(); 2532 int lastInputMethodSubtypeId = getSelectedInputMethodSubtypeId(lastInputMethodId); 2533 if (DEBUG) Slog.v(TAG, "Current IME: " + lastInputMethodId); 2534 2535 synchronized (mMethodMap) { 2536 final HashMap<InputMethodInfo, List<InputMethodSubtype>> immis = 2537 getExplicitlyOrImplicitlyEnabledInputMethodsAndSubtypeListLocked(); 2538 if (immis == null || immis.size() == 0) { 2539 return; 2540 } 2541 2542 hideInputMethodMenuLocked(); 2543 2544 final List<ImeSubtypeListItem> imList = 2545 mImListManager.getSortedInputMethodAndSubtypeList( 2546 showSubtypes, mInputShown, isScreenLocked); 2547 2548 if (lastInputMethodSubtypeId == NOT_A_SUBTYPE_ID) { 2549 final InputMethodSubtype currentSubtype = getCurrentInputMethodSubtypeLocked(); 2550 if (currentSubtype != null) { 2551 final InputMethodInfo currentImi = mMethodMap.get(mCurMethodId); 2552 lastInputMethodSubtypeId = 2553 getSubtypeIdFromHashCode(currentImi, currentSubtype.hashCode()); 2554 } 2555 } 2556 2557 final int N = imList.size(); 2558 mIms = new InputMethodInfo[N]; 2559 mSubtypeIds = new int[N]; 2560 int checkedItem = 0; 2561 for (int i = 0; i < N; ++i) { 2562 final ImeSubtypeListItem item = imList.get(i); 2563 mIms[i] = item.mImi; 2564 mSubtypeIds[i] = item.mSubtypeId; 2565 if (mIms[i].getId().equals(lastInputMethodId)) { 2566 int subtypeId = mSubtypeIds[i]; 2567 if ((subtypeId == NOT_A_SUBTYPE_ID) 2568 || (lastInputMethodSubtypeId == NOT_A_SUBTYPE_ID && subtypeId == 0) 2569 || (subtypeId == lastInputMethodSubtypeId)) { 2570 checkedItem = i; 2571 } 2572 } 2573 } 2574 final TypedArray a = context.obtainStyledAttributes(null, 2575 com.android.internal.R.styleable.DialogPreference, 2576 com.android.internal.R.attr.alertDialogStyle, 0); 2577 mDialogBuilder = new AlertDialog.Builder(context) 2578 .setOnCancelListener(new OnCancelListener() { 2579 @Override 2580 public void onCancel(DialogInterface dialog) { 2581 hideInputMethodMenu(); 2582 } 2583 }) 2584 .setIcon(a.getDrawable( 2585 com.android.internal.R.styleable.DialogPreference_dialogTitle)); 2586 a.recycle(); 2587 final LayoutInflater inflater = 2588 (LayoutInflater)mContext.getSystemService(Context.LAYOUT_INFLATER_SERVICE); 2589 final View tv = inflater.inflate( 2590 com.android.internal.R.layout.input_method_switch_dialog_title, null); 2591 mDialogBuilder.setCustomTitle(tv); 2592 2593 // Setup layout for a toggle switch of the hardware keyboard 2594 mSwitchingDialogTitleView = tv; 2595 mSwitchingDialogTitleView.findViewById( 2596 com.android.internal.R.id.hard_keyboard_section).setVisibility( 2597 mWindowManagerService.isHardKeyboardAvailable() ? 2598 View.VISIBLE : View.GONE); 2599 final Switch hardKeySwitch = ((Switch)mSwitchingDialogTitleView.findViewById( 2600 com.android.internal.R.id.hard_keyboard_switch)); 2601 hardKeySwitch.setChecked(mWindowManagerService.isHardKeyboardEnabled()); 2602 hardKeySwitch.setOnCheckedChangeListener( 2603 new OnCheckedChangeListener() { 2604 @Override 2605 public void onCheckedChanged( 2606 CompoundButton buttonView, boolean isChecked) { 2607 mWindowManagerService.setHardKeyboardEnabled(isChecked); 2608 } 2609 }); 2610 2611 final ImeSubtypeListAdapter adapter = new ImeSubtypeListAdapter(context, 2612 com.android.internal.R.layout.simple_list_item_2_single_choice, imList, 2613 checkedItem); 2614 2615 mDialogBuilder.setSingleChoiceItems(adapter, checkedItem, 2616 new AlertDialog.OnClickListener() { 2617 @Override 2618 public void onClick(DialogInterface dialog, int which) { 2619 synchronized (mMethodMap) { 2620 if (mIms == null || mIms.length <= which 2621 || mSubtypeIds == null || mSubtypeIds.length <= which) { 2622 return; 2623 } 2624 InputMethodInfo im = mIms[which]; 2625 int subtypeId = mSubtypeIds[which]; 2626 hideInputMethodMenu(); 2627 if (im != null) { 2628 if ((subtypeId < 0) 2629 || (subtypeId >= im.getSubtypeCount())) { 2630 subtypeId = NOT_A_SUBTYPE_ID; 2631 } 2632 setInputMethodLocked(im.getId(), subtypeId); 2633 } 2634 } 2635 } 2636 }); 2637 2638 if (showSubtypes && !isScreenLocked) { 2639 mDialogBuilder.setPositiveButton( 2640 com.android.internal.R.string.configure_input_methods, 2641 new DialogInterface.OnClickListener() { 2642 @Override 2643 public void onClick(DialogInterface dialog, int whichButton) { 2644 showConfigureInputMethods(); 2645 } 2646 }); 2647 } 2648 mSwitchingDialog = mDialogBuilder.create(); 2649 mSwitchingDialog.setCanceledOnTouchOutside(true); 2650 mSwitchingDialog.getWindow().setType( 2651 WindowManager.LayoutParams.TYPE_INPUT_METHOD_DIALOG); 2652 mSwitchingDialog.getWindow().getAttributes().setTitle("Select input method"); 2653 mSwitchingDialog.show(); 2654 } 2655 } 2656 2657 private static class ImeSubtypeListItem implements Comparable<ImeSubtypeListItem> { 2658 public final CharSequence mImeName; 2659 public final CharSequence mSubtypeName; 2660 public final InputMethodInfo mImi; 2661 public final int mSubtypeId; 2662 private final boolean mIsSystemLocale; 2663 private final boolean mIsSystemLanguage; 2664 2665 public ImeSubtypeListItem(CharSequence imeName, CharSequence subtypeName, 2666 InputMethodInfo imi, int subtypeId, String subtypeLocale, String systemLocale) { 2667 mImeName = imeName; 2668 mSubtypeName = subtypeName; 2669 mImi = imi; 2670 mSubtypeId = subtypeId; 2671 if (TextUtils.isEmpty(subtypeLocale)) { 2672 mIsSystemLocale = false; 2673 mIsSystemLanguage = false; 2674 } else { 2675 mIsSystemLocale = subtypeLocale.equals(systemLocale); 2676 mIsSystemLanguage = mIsSystemLocale 2677 || subtypeLocale.startsWith(systemLocale.substring(0, 2)); 2678 } 2679 } 2680 2681 @Override 2682 public int compareTo(ImeSubtypeListItem other) { 2683 if (TextUtils.isEmpty(mImeName)) { 2684 return 1; 2685 } 2686 if (TextUtils.isEmpty(other.mImeName)) { 2687 return -1; 2688 } 2689 if (!TextUtils.equals(mImeName, other.mImeName)) { 2690 return mImeName.toString().compareTo(other.mImeName.toString()); 2691 } 2692 if (TextUtils.equals(mSubtypeName, other.mSubtypeName)) { 2693 return 0; 2694 } 2695 if (mIsSystemLocale) { 2696 return -1; 2697 } 2698 if (other.mIsSystemLocale) { 2699 return 1; 2700 } 2701 if (mIsSystemLanguage) { 2702 return -1; 2703 } 2704 if (other.mIsSystemLanguage) { 2705 return 1; 2706 } 2707 if (TextUtils.isEmpty(mSubtypeName)) { 2708 return 1; 2709 } 2710 if (TextUtils.isEmpty(other.mSubtypeName)) { 2711 return -1; 2712 } 2713 return mSubtypeName.toString().compareTo(other.mSubtypeName.toString()); 2714 } 2715 } 2716 2717 private static class ImeSubtypeListAdapter extends ArrayAdapter<ImeSubtypeListItem> { 2718 private final LayoutInflater mInflater; 2719 private final int mTextViewResourceId; 2720 private final List<ImeSubtypeListItem> mItemsList; 2721 private final int mCheckedItem; 2722 public ImeSubtypeListAdapter(Context context, int textViewResourceId, 2723 List<ImeSubtypeListItem> itemsList, int checkedItem) { 2724 super(context, textViewResourceId, itemsList); 2725 mTextViewResourceId = textViewResourceId; 2726 mItemsList = itemsList; 2727 mCheckedItem = checkedItem; 2728 mInflater = (LayoutInflater)context.getSystemService(Context.LAYOUT_INFLATER_SERVICE); 2729 } 2730 2731 @Override 2732 public View getView(int position, View convertView, ViewGroup parent) { 2733 final View view = convertView != null ? convertView 2734 : mInflater.inflate(mTextViewResourceId, null); 2735 if (position < 0 || position >= mItemsList.size()) return view; 2736 final ImeSubtypeListItem item = mItemsList.get(position); 2737 final CharSequence imeName = item.mImeName; 2738 final CharSequence subtypeName = item.mSubtypeName; 2739 final TextView firstTextView = (TextView)view.findViewById(android.R.id.text1); 2740 final TextView secondTextView = (TextView)view.findViewById(android.R.id.text2); 2741 if (TextUtils.isEmpty(subtypeName)) { 2742 firstTextView.setText(imeName); 2743 secondTextView.setVisibility(View.GONE); 2744 } else { 2745 firstTextView.setText(subtypeName); 2746 secondTextView.setText(imeName); 2747 secondTextView.setVisibility(View.VISIBLE); 2748 } 2749 final RadioButton radioButton = 2750 (RadioButton)view.findViewById(com.android.internal.R.id.radio); 2751 radioButton.setChecked(position == mCheckedItem); 2752 return view; 2753 } 2754 } 2755 2756 void hideInputMethodMenu() { 2757 synchronized (mMethodMap) { 2758 hideInputMethodMenuLocked(); 2759 } 2760 } 2761 2762 void hideInputMethodMenuLocked() { 2763 if (DEBUG) Slog.v(TAG, "Hide switching menu"); 2764 2765 if (mSwitchingDialog != null) { 2766 mSwitchingDialog.dismiss(); 2767 mSwitchingDialog = null; 2768 } 2769 2770 mDialogBuilder = null; 2771 mIms = null; 2772 } 2773 2774 // ---------------------------------------------------------------------- 2775 2776 @Override 2777 public boolean setInputMethodEnabled(String id, boolean enabled) { 2778 // TODO: Make this work even for non-current users? 2779 if (!calledFromValidUser()) { 2780 return false; 2781 } 2782 synchronized (mMethodMap) { 2783 if (mContext.checkCallingOrSelfPermission( 2784 android.Manifest.permission.WRITE_SECURE_SETTINGS) 2785 != PackageManager.PERMISSION_GRANTED) { 2786 throw new SecurityException( 2787 "Requires permission " 2788 + android.Manifest.permission.WRITE_SECURE_SETTINGS); 2789 } 2790 2791 long ident = Binder.clearCallingIdentity(); 2792 try { 2793 return setInputMethodEnabledLocked(id, enabled); 2794 } finally { 2795 Binder.restoreCallingIdentity(ident); 2796 } 2797 } 2798 } 2799 2800 boolean setInputMethodEnabledLocked(String id, boolean enabled) { 2801 // Make sure this is a valid input method. 2802 InputMethodInfo imm = mMethodMap.get(id); 2803 if (imm == null) { 2804 throw new IllegalArgumentException("Unknown id: " + mCurMethodId); 2805 } 2806 2807 List<Pair<String, ArrayList<String>>> enabledInputMethodsList = mSettings 2808 .getEnabledInputMethodsAndSubtypeListLocked(); 2809 2810 if (enabled) { 2811 for (Pair<String, ArrayList<String>> pair: enabledInputMethodsList) { 2812 if (pair.first.equals(id)) { 2813 // We are enabling this input method, but it is already enabled. 2814 // Nothing to do. The previous state was enabled. 2815 return true; 2816 } 2817 } 2818 mSettings.appendAndPutEnabledInputMethodLocked(id, false); 2819 // Previous state was disabled. 2820 return false; 2821 } else { 2822 StringBuilder builder = new StringBuilder(); 2823 if (mSettings.buildAndPutEnabledInputMethodsStrRemovingIdLocked( 2824 builder, enabledInputMethodsList, id)) { 2825 // Disabled input method is currently selected, switch to another one. 2826 final String selId = mSettings.getSelectedInputMethod(); 2827 if (id.equals(selId) && !chooseNewDefaultIMELocked()) { 2828 Slog.i(TAG, "Can't find new IME, unsetting the current input method."); 2829 resetSelectedInputMethodAndSubtypeLocked(""); 2830 } 2831 // Previous state was enabled. 2832 return true; 2833 } else { 2834 // We are disabling the input method but it is already disabled. 2835 // Nothing to do. The previous state was disabled. 2836 return false; 2837 } 2838 } 2839 } 2840 2841 private boolean canAddToLastInputMethod(InputMethodSubtype subtype) { 2842 if (subtype == null) return true; 2843 return !subtype.isAuxiliary(); 2844 } 2845 2846 private void saveCurrentInputMethodAndSubtypeToHistory() { 2847 String subtypeId = NOT_A_SUBTYPE_ID_STR; 2848 if (mCurrentSubtype != null) { 2849 subtypeId = String.valueOf(mCurrentSubtype.hashCode()); 2850 } 2851 if (canAddToLastInputMethod(mCurrentSubtype)) { 2852 mSettings.addSubtypeToHistory(mCurMethodId, subtypeId); 2853 } 2854 } 2855 2856 private void setSelectedInputMethodAndSubtypeLocked(InputMethodInfo imi, int subtypeId, 2857 boolean setSubtypeOnly) { 2858 // Update the history of InputMethod and Subtype 2859 saveCurrentInputMethodAndSubtypeToHistory(); 2860 2861 // Set Subtype here 2862 if (imi == null || subtypeId < 0) { 2863 mSettings.putSelectedSubtype(NOT_A_SUBTYPE_ID); 2864 mCurrentSubtype = null; 2865 } else { 2866 if (subtypeId < imi.getSubtypeCount()) { 2867 InputMethodSubtype subtype = imi.getSubtypeAt(subtypeId); 2868 mSettings.putSelectedSubtype(subtype.hashCode()); 2869 mCurrentSubtype = subtype; 2870 } else { 2871 mSettings.putSelectedSubtype(NOT_A_SUBTYPE_ID); 2872 // If the subtype is not specified, choose the most applicable one 2873 mCurrentSubtype = getCurrentInputMethodSubtypeLocked(); 2874 } 2875 } 2876 2877 // Workaround. 2878 // ASEC is not ready in the IMMS constructor. Accordingly, forward-locked 2879 // IMEs are not recognized and considered uninstalled. 2880 // Actually, we can't move everything after SystemReady because 2881 // IMMS needs to run in the encryption lock screen. So, we just skip changing 2882 // the default IME here and try cheking the default IME again in systemReady(). 2883 // TODO: Do nothing before system ready and implement a separated logic for 2884 // the encryption lock screen. 2885 // TODO: ASEC should be ready before IMMS is instantiated. 2886 if (mSystemReady && !setSubtypeOnly) { 2887 // Set InputMethod here 2888 mSettings.putSelectedInputMethod(imi != null ? imi.getId() : ""); 2889 } 2890 } 2891 2892 private void resetSelectedInputMethodAndSubtypeLocked(String newDefaultIme) { 2893 InputMethodInfo imi = mMethodMap.get(newDefaultIme); 2894 int lastSubtypeId = NOT_A_SUBTYPE_ID; 2895 // newDefaultIme is empty when there is no candidate for the selected IME. 2896 if (imi != null && !TextUtils.isEmpty(newDefaultIme)) { 2897 String subtypeHashCode = mSettings.getLastSubtypeForInputMethodLocked(newDefaultIme); 2898 if (subtypeHashCode != null) { 2899 try { 2900 lastSubtypeId = getSubtypeIdFromHashCode( 2901 imi, Integer.valueOf(subtypeHashCode)); 2902 } catch (NumberFormatException e) { 2903 Slog.w(TAG, "HashCode for subtype looks broken: " + subtypeHashCode, e); 2904 } 2905 } 2906 } 2907 setSelectedInputMethodAndSubtypeLocked(imi, lastSubtypeId, false); 2908 } 2909 2910 private int getSelectedInputMethodSubtypeId(String id) { 2911 InputMethodInfo imi = mMethodMap.get(id); 2912 if (imi == null) { 2913 return NOT_A_SUBTYPE_ID; 2914 } 2915 final int subtypeHashCode = mSettings.getSelectedInputMethodSubtypeHashCode(); 2916 return getSubtypeIdFromHashCode(imi, subtypeHashCode); 2917 } 2918 2919 private static boolean isValidSubtypeId(InputMethodInfo imi, int subtypeHashCode) { 2920 return getSubtypeIdFromHashCode(imi, subtypeHashCode) != NOT_A_SUBTYPE_ID; 2921 } 2922 2923 private static int getSubtypeIdFromHashCode(InputMethodInfo imi, int subtypeHashCode) { 2924 if (imi != null) { 2925 final int subtypeCount = imi.getSubtypeCount(); 2926 for (int i = 0; i < subtypeCount; ++i) { 2927 InputMethodSubtype ims = imi.getSubtypeAt(i); 2928 if (subtypeHashCode == ims.hashCode()) { 2929 return i; 2930 } 2931 } 2932 } 2933 return NOT_A_SUBTYPE_ID; 2934 } 2935 2936 private static ArrayList<InputMethodSubtype> getImplicitlyApplicableSubtypesLocked( 2937 Resources res, InputMethodInfo imi) { 2938 final List<InputMethodSubtype> subtypes = getSubtypes(imi); 2939 final String systemLocale = res.getConfiguration().locale.toString(); 2940 if (TextUtils.isEmpty(systemLocale)) return new ArrayList<InputMethodSubtype>(); 2941 final HashMap<String, InputMethodSubtype> applicableModeAndSubtypesMap = 2942 new HashMap<String, InputMethodSubtype>(); 2943 final int N = subtypes.size(); 2944 for (int i = 0; i < N; ++i) { 2945 // scan overriding implicitly enabled subtypes. 2946 InputMethodSubtype subtype = subtypes.get(i); 2947 if (subtype.overridesImplicitlyEnabledSubtype()) { 2948 final String mode = subtype.getMode(); 2949 if (!applicableModeAndSubtypesMap.containsKey(mode)) { 2950 applicableModeAndSubtypesMap.put(mode, subtype); 2951 } 2952 } 2953 } 2954 if (applicableModeAndSubtypesMap.size() > 0) { 2955 return new ArrayList<InputMethodSubtype>(applicableModeAndSubtypesMap.values()); 2956 } 2957 for (int i = 0; i < N; ++i) { 2958 final InputMethodSubtype subtype = subtypes.get(i); 2959 final String locale = subtype.getLocale(); 2960 final String mode = subtype.getMode(); 2961 // When system locale starts with subtype's locale, that subtype will be applicable 2962 // for system locale 2963 // For instance, it's clearly applicable for cases like system locale = en_US and 2964 // subtype = en, but it is not necessarily considered applicable for cases like system 2965 // locale = en and subtype = en_US. 2966 // We just call systemLocale.startsWith(locale) in this function because there is no 2967 // need to find applicable subtypes aggressively unlike 2968 // findLastResortApplicableSubtypeLocked. 2969 if (systemLocale.startsWith(locale)) { 2970 final InputMethodSubtype applicableSubtype = applicableModeAndSubtypesMap.get(mode); 2971 // If more applicable subtypes are contained, skip. 2972 if (applicableSubtype != null) { 2973 if (systemLocale.equals(applicableSubtype.getLocale())) continue; 2974 if (!systemLocale.equals(locale)) continue; 2975 } 2976 applicableModeAndSubtypesMap.put(mode, subtype); 2977 } 2978 } 2979 final InputMethodSubtype keyboardSubtype 2980 = applicableModeAndSubtypesMap.get(SUBTYPE_MODE_KEYBOARD); 2981 final ArrayList<InputMethodSubtype> applicableSubtypes = new ArrayList<InputMethodSubtype>( 2982 applicableModeAndSubtypesMap.values()); 2983 if (keyboardSubtype != null && !keyboardSubtype.containsExtraValueKey(TAG_ASCII_CAPABLE)) { 2984 for (int i = 0; i < N; ++i) { 2985 final InputMethodSubtype subtype = subtypes.get(i); 2986 final String mode = subtype.getMode(); 2987 if (SUBTYPE_MODE_KEYBOARD.equals(mode) && subtype.containsExtraValueKey( 2988 TAG_ENABLED_WHEN_DEFAULT_IS_NOT_ASCII_CAPABLE)) { 2989 applicableSubtypes.add(subtype); 2990 } 2991 } 2992 } 2993 if (keyboardSubtype == null) { 2994 InputMethodSubtype lastResortKeyboardSubtype = findLastResortApplicableSubtypeLocked( 2995 res, subtypes, SUBTYPE_MODE_KEYBOARD, systemLocale, true); 2996 if (lastResortKeyboardSubtype != null) { 2997 applicableSubtypes.add(lastResortKeyboardSubtype); 2998 } 2999 } 3000 return applicableSubtypes; 3001 } 3002 3003 /** 3004 * If there are no selected subtypes, tries finding the most applicable one according to the 3005 * given locale. 3006 * @param subtypes this function will search the most applicable subtype in subtypes 3007 * @param mode subtypes will be filtered by mode 3008 * @param locale subtypes will be filtered by locale 3009 * @param canIgnoreLocaleAsLastResort if this function can't find the most applicable subtype, 3010 * it will return the first subtype matched with mode 3011 * @return the most applicable subtypeId 3012 */ 3013 private static InputMethodSubtype findLastResortApplicableSubtypeLocked( 3014 Resources res, List<InputMethodSubtype> subtypes, String mode, String locale, 3015 boolean canIgnoreLocaleAsLastResort) { 3016 if (subtypes == null || subtypes.size() == 0) { 3017 return null; 3018 } 3019 if (TextUtils.isEmpty(locale)) { 3020 locale = res.getConfiguration().locale.toString(); 3021 } 3022 final String language = locale.substring(0, 2); 3023 boolean partialMatchFound = false; 3024 InputMethodSubtype applicableSubtype = null; 3025 InputMethodSubtype firstMatchedModeSubtype = null; 3026 final int N = subtypes.size(); 3027 for (int i = 0; i < N; ++i) { 3028 InputMethodSubtype subtype = subtypes.get(i); 3029 final String subtypeLocale = subtype.getLocale(); 3030 // An applicable subtype should match "mode". If mode is null, mode will be ignored, 3031 // and all subtypes with all modes can be candidates. 3032 if (mode == null || subtypes.get(i).getMode().equalsIgnoreCase(mode)) { 3033 if (firstMatchedModeSubtype == null) { 3034 firstMatchedModeSubtype = subtype; 3035 } 3036 if (locale.equals(subtypeLocale)) { 3037 // Exact match (e.g. system locale is "en_US" and subtype locale is "en_US") 3038 applicableSubtype = subtype; 3039 break; 3040 } else if (!partialMatchFound && subtypeLocale.startsWith(language)) { 3041 // Partial match (e.g. system locale is "en_US" and subtype locale is "en") 3042 applicableSubtype = subtype; 3043 partialMatchFound = true; 3044 } 3045 } 3046 } 3047 3048 if (applicableSubtype == null && canIgnoreLocaleAsLastResort) { 3049 return firstMatchedModeSubtype; 3050 } 3051 3052 // The first subtype applicable to the system locale will be defined as the most applicable 3053 // subtype. 3054 if (DEBUG) { 3055 if (applicableSubtype != null) { 3056 Slog.d(TAG, "Applicable InputMethodSubtype was found: " 3057 + applicableSubtype.getMode() + "," + applicableSubtype.getLocale()); 3058 } 3059 } 3060 return applicableSubtype; 3061 } 3062 3063 // If there are no selected shortcuts, tries finding the most applicable ones. 3064 private Pair<InputMethodInfo, InputMethodSubtype> 3065 findLastResortApplicableShortcutInputMethodAndSubtypeLocked(String mode) { 3066 List<InputMethodInfo> imis = mSettings.getEnabledInputMethodListLocked(); 3067 InputMethodInfo mostApplicableIMI = null; 3068 InputMethodSubtype mostApplicableSubtype = null; 3069 boolean foundInSystemIME = false; 3070 3071 // Search applicable subtype for each InputMethodInfo 3072 for (InputMethodInfo imi: imis) { 3073 final String imiId = imi.getId(); 3074 if (foundInSystemIME && !imiId.equals(mCurMethodId)) { 3075 continue; 3076 } 3077 InputMethodSubtype subtype = null; 3078 final List<InputMethodSubtype> enabledSubtypes = 3079 getEnabledInputMethodSubtypeListLocked(imi, true); 3080 // 1. Search by the current subtype's locale from enabledSubtypes. 3081 if (mCurrentSubtype != null) { 3082 subtype = findLastResortApplicableSubtypeLocked( 3083 mRes, enabledSubtypes, mode, mCurrentSubtype.getLocale(), false); 3084 } 3085 // 2. Search by the system locale from enabledSubtypes. 3086 // 3. Search the first enabled subtype matched with mode from enabledSubtypes. 3087 if (subtype == null) { 3088 subtype = findLastResortApplicableSubtypeLocked( 3089 mRes, enabledSubtypes, mode, null, true); 3090 } 3091 final ArrayList<InputMethodSubtype> overridingImplicitlyEnabledSubtypes = 3092 getOverridingImplicitlyEnabledSubtypes(imi, mode); 3093 final ArrayList<InputMethodSubtype> subtypesForSearch = 3094 overridingImplicitlyEnabledSubtypes.isEmpty() 3095 ? getSubtypes(imi) : overridingImplicitlyEnabledSubtypes; 3096 // 4. Search by the current subtype's locale from all subtypes. 3097 if (subtype == null && mCurrentSubtype != null) { 3098 subtype = findLastResortApplicableSubtypeLocked( 3099 mRes, subtypesForSearch, mode, mCurrentSubtype.getLocale(), false); 3100 } 3101 // 5. Search by the system locale from all subtypes. 3102 // 6. Search the first enabled subtype matched with mode from all subtypes. 3103 if (subtype == null) { 3104 subtype = findLastResortApplicableSubtypeLocked( 3105 mRes, subtypesForSearch, mode, null, true); 3106 } 3107 if (subtype != null) { 3108 if (imiId.equals(mCurMethodId)) { 3109 // The current input method is the most applicable IME. 3110 mostApplicableIMI = imi; 3111 mostApplicableSubtype = subtype; 3112 break; 3113 } else if (!foundInSystemIME) { 3114 // The system input method is 2nd applicable IME. 3115 mostApplicableIMI = imi; 3116 mostApplicableSubtype = subtype; 3117 if ((imi.getServiceInfo().applicationInfo.flags 3118 & ApplicationInfo.FLAG_SYSTEM) != 0) { 3119 foundInSystemIME = true; 3120 } 3121 } 3122 } 3123 } 3124 if (DEBUG) { 3125 if (mostApplicableIMI != null) { 3126 Slog.w(TAG, "Most applicable shortcut input method was:" 3127 + mostApplicableIMI.getId()); 3128 if (mostApplicableSubtype != null) { 3129 Slog.w(TAG, "Most applicable shortcut input method subtype was:" 3130 + "," + mostApplicableSubtype.getMode() + "," 3131 + mostApplicableSubtype.getLocale()); 3132 } 3133 } 3134 } 3135 if (mostApplicableIMI != null) { 3136 return new Pair<InputMethodInfo, InputMethodSubtype> (mostApplicableIMI, 3137 mostApplicableSubtype); 3138 } else { 3139 return null; 3140 } 3141 } 3142 3143 /** 3144 * @return Return the current subtype of this input method. 3145 */ 3146 @Override 3147 public InputMethodSubtype getCurrentInputMethodSubtype() { 3148 // TODO: Make this work even for non-current users? 3149 if (!calledFromValidUser()) { 3150 return null; 3151 } 3152 synchronized (mMethodMap) { 3153 return getCurrentInputMethodSubtypeLocked(); 3154 } 3155 } 3156 3157 private InputMethodSubtype getCurrentInputMethodSubtypeLocked() { 3158 if (mCurMethodId == null) { 3159 return null; 3160 } 3161 final boolean subtypeIsSelected = 3162 mSettings.getSelectedInputMethodSubtypeHashCode() != NOT_A_SUBTYPE_ID; 3163 final InputMethodInfo imi = mMethodMap.get(mCurMethodId); 3164 if (imi == null || imi.getSubtypeCount() == 0) { 3165 return null; 3166 } 3167 if (!subtypeIsSelected || mCurrentSubtype == null 3168 || !isValidSubtypeId(imi, mCurrentSubtype.hashCode())) { 3169 int subtypeId = getSelectedInputMethodSubtypeId(mCurMethodId); 3170 if (subtypeId == NOT_A_SUBTYPE_ID) { 3171 // If there are no selected subtypes, the framework will try to find 3172 // the most applicable subtype from explicitly or implicitly enabled 3173 // subtypes. 3174 List<InputMethodSubtype> explicitlyOrImplicitlyEnabledSubtypes = 3175 getEnabledInputMethodSubtypeListLocked(imi, true); 3176 // If there is only one explicitly or implicitly enabled subtype, 3177 // just returns it. 3178 if (explicitlyOrImplicitlyEnabledSubtypes.size() == 1) { 3179 mCurrentSubtype = explicitlyOrImplicitlyEnabledSubtypes.get(0); 3180 } else if (explicitlyOrImplicitlyEnabledSubtypes.size() > 1) { 3181 mCurrentSubtype = findLastResortApplicableSubtypeLocked( 3182 mRes, explicitlyOrImplicitlyEnabledSubtypes, 3183 SUBTYPE_MODE_KEYBOARD, null, true); 3184 if (mCurrentSubtype == null) { 3185 mCurrentSubtype = findLastResortApplicableSubtypeLocked( 3186 mRes, explicitlyOrImplicitlyEnabledSubtypes, null, null, 3187 true); 3188 } 3189 } 3190 } else { 3191 mCurrentSubtype = getSubtypes(imi).get(subtypeId); 3192 } 3193 } 3194 return mCurrentSubtype; 3195 } 3196 3197 private void addShortcutInputMethodAndSubtypes(InputMethodInfo imi, 3198 InputMethodSubtype subtype) { 3199 if (mShortcutInputMethodsAndSubtypes.containsKey(imi)) { 3200 mShortcutInputMethodsAndSubtypes.get(imi).add(subtype); 3201 } else { 3202 ArrayList<InputMethodSubtype> subtypes = new ArrayList<InputMethodSubtype>(); 3203 subtypes.add(subtype); 3204 mShortcutInputMethodsAndSubtypes.put(imi, subtypes); 3205 } 3206 } 3207 3208 // TODO: We should change the return type from List to List<Parcelable> 3209 @SuppressWarnings("rawtypes") 3210 @Override 3211 public List getShortcutInputMethodsAndSubtypes() { 3212 synchronized (mMethodMap) { 3213 ArrayList<Object> ret = new ArrayList<Object>(); 3214 if (mShortcutInputMethodsAndSubtypes.size() == 0) { 3215 // If there are no selected shortcut subtypes, the framework will try to find 3216 // the most applicable subtype from all subtypes whose mode is 3217 // SUBTYPE_MODE_VOICE. This is an exceptional case, so we will hardcode the mode. 3218 Pair<InputMethodInfo, InputMethodSubtype> info = 3219 findLastResortApplicableShortcutInputMethodAndSubtypeLocked( 3220 SUBTYPE_MODE_VOICE); 3221 if (info != null) { 3222 ret.add(info.first); 3223 ret.add(info.second); 3224 } 3225 return ret; 3226 } 3227 for (InputMethodInfo imi: mShortcutInputMethodsAndSubtypes.keySet()) { 3228 ret.add(imi); 3229 for (InputMethodSubtype subtype: mShortcutInputMethodsAndSubtypes.get(imi)) { 3230 ret.add(subtype); 3231 } 3232 } 3233 return ret; 3234 } 3235 } 3236 3237 @Override 3238 public boolean setCurrentInputMethodSubtype(InputMethodSubtype subtype) { 3239 // TODO: Make this work even for non-current users? 3240 if (!calledFromValidUser()) { 3241 return false; 3242 } 3243 synchronized (mMethodMap) { 3244 if (subtype != null && mCurMethodId != null) { 3245 InputMethodInfo imi = mMethodMap.get(mCurMethodId); 3246 int subtypeId = getSubtypeIdFromHashCode(imi, subtype.hashCode()); 3247 if (subtypeId != NOT_A_SUBTYPE_ID) { 3248 setInputMethodLocked(mCurMethodId, subtypeId); 3249 return true; 3250 } 3251 } 3252 return false; 3253 } 3254 } 3255 3256 private static class InputMethodAndSubtypeListManager { 3257 private final Context mContext; 3258 // Used to load label 3259 private final PackageManager mPm; 3260 private final InputMethodManagerService mImms; 3261 private final String mSystemLocaleStr; 3262 public InputMethodAndSubtypeListManager(Context context, InputMethodManagerService imms) { 3263 mContext = context; 3264 mPm = context.getPackageManager(); 3265 mImms = imms; 3266 final Locale locale = context.getResources().getConfiguration().locale; 3267 mSystemLocaleStr = locale != null ? locale.toString() : ""; 3268 } 3269 3270 private final TreeMap<InputMethodInfo, List<InputMethodSubtype>> mSortedImmis = 3271 new TreeMap<InputMethodInfo, List<InputMethodSubtype>>( 3272 new Comparator<InputMethodInfo>() { 3273 @Override 3274 public int compare(InputMethodInfo imi1, InputMethodInfo imi2) { 3275 if (imi2 == null) return 0; 3276 if (imi1 == null) return 1; 3277 if (mPm == null) { 3278 return imi1.getId().compareTo(imi2.getId()); 3279 } 3280 CharSequence imiId1 = imi1.loadLabel(mPm) + "/" + imi1.getId(); 3281 CharSequence imiId2 = imi2.loadLabel(mPm) + "/" + imi2.getId(); 3282 return imiId1.toString().compareTo(imiId2.toString()); 3283 } 3284 }); 3285 3286 public ImeSubtypeListItem getNextInputMethod( 3287 boolean onlyCurrentIme, InputMethodInfo imi, InputMethodSubtype subtype) { 3288 if (imi == null) { 3289 return null; 3290 } 3291 final List<ImeSubtypeListItem> imList = getSortedInputMethodAndSubtypeList(); 3292 if (imList.size() <= 1) { 3293 return null; 3294 } 3295 final int N = imList.size(); 3296 final int currentSubtypeId = subtype != null 3297 ? getSubtypeIdFromHashCode(imi, subtype.hashCode()) 3298 : NOT_A_SUBTYPE_ID; 3299 for (int i = 0; i < N; ++i) { 3300 final ImeSubtypeListItem isli = imList.get(i); 3301 if (isli.mImi.equals(imi) && isli.mSubtypeId == currentSubtypeId) { 3302 if (!onlyCurrentIme) { 3303 return imList.get((i + 1) % N); 3304 } 3305 for (int j = 0; j < N - 1; ++j) { 3306 final ImeSubtypeListItem candidate = imList.get((i + j + 1) % N); 3307 if (candidate.mImi.equals(imi)) { 3308 return candidate; 3309 } 3310 } 3311 return null; 3312 } 3313 } 3314 return null; 3315 } 3316 3317 public List<ImeSubtypeListItem> getSortedInputMethodAndSubtypeList() { 3318 return getSortedInputMethodAndSubtypeList(true, false, false); 3319 } 3320 3321 public List<ImeSubtypeListItem> getSortedInputMethodAndSubtypeList(boolean showSubtypes, 3322 boolean inputShown, boolean isScreenLocked) { 3323 final ArrayList<ImeSubtypeListItem> imList = new ArrayList<ImeSubtypeListItem>(); 3324 final HashMap<InputMethodInfo, List<InputMethodSubtype>> immis = 3325 mImms.getExplicitlyOrImplicitlyEnabledInputMethodsAndSubtypeListLocked(); 3326 if (immis == null || immis.size() == 0) { 3327 return Collections.emptyList(); 3328 } 3329 mSortedImmis.clear(); 3330 mSortedImmis.putAll(immis); 3331 for (InputMethodInfo imi : mSortedImmis.keySet()) { 3332 if (imi == null) continue; 3333 List<InputMethodSubtype> explicitlyOrImplicitlyEnabledSubtypeList = immis.get(imi); 3334 HashSet<String> enabledSubtypeSet = new HashSet<String>(); 3335 for (InputMethodSubtype subtype: explicitlyOrImplicitlyEnabledSubtypeList) { 3336 enabledSubtypeSet.add(String.valueOf(subtype.hashCode())); 3337 } 3338 ArrayList<InputMethodSubtype> subtypes = getSubtypes(imi); 3339 final CharSequence imeLabel = imi.loadLabel(mPm); 3340 if (showSubtypes && enabledSubtypeSet.size() > 0) { 3341 final int subtypeCount = imi.getSubtypeCount(); 3342 if (DEBUG) { 3343 Slog.v(TAG, "Add subtypes: " + subtypeCount + ", " + imi.getId()); 3344 } 3345 for (int j = 0; j < subtypeCount; ++j) { 3346 final InputMethodSubtype subtype = imi.getSubtypeAt(j); 3347 final String subtypeHashCode = String.valueOf(subtype.hashCode()); 3348 // We show all enabled IMEs and subtypes when an IME is shown. 3349 if (enabledSubtypeSet.contains(subtypeHashCode) 3350 && ((inputShown && !isScreenLocked) || !subtype.isAuxiliary())) { 3351 final CharSequence subtypeLabel = 3352 subtype.overridesImplicitlyEnabledSubtype() ? null 3353 : subtype.getDisplayName(mContext, imi.getPackageName(), 3354 imi.getServiceInfo().applicationInfo); 3355 imList.add(new ImeSubtypeListItem(imeLabel, subtypeLabel, imi, j, 3356 subtype.getLocale(), mSystemLocaleStr)); 3357 3358 // Removing this subtype from enabledSubtypeSet because we no longer 3359 // need to add an entry of this subtype to imList to avoid duplicated 3360 // entries. 3361 enabledSubtypeSet.remove(subtypeHashCode); 3362 } 3363 } 3364 } else { 3365 imList.add(new ImeSubtypeListItem(imeLabel, null, imi, NOT_A_SUBTYPE_ID, 3366 null, mSystemLocaleStr)); 3367 } 3368 } 3369 Collections.sort(imList); 3370 return imList; 3371 } 3372 } 3373 3374 /** 3375 * Utility class for putting and getting settings for InputMethod 3376 * TODO: Move all putters and getters of settings to this class. 3377 */ 3378 private static class InputMethodSettings { 3379 // The string for enabled input method is saved as follows: 3380 // example: ("ime0;subtype0;subtype1;subtype2:ime1:ime2;subtype0") 3381 private static final char INPUT_METHOD_SEPARATER = ':'; 3382 private static final char INPUT_METHOD_SUBTYPE_SEPARATER = ';'; 3383 private final TextUtils.SimpleStringSplitter mInputMethodSplitter = 3384 new TextUtils.SimpleStringSplitter(INPUT_METHOD_SEPARATER); 3385 3386 private final TextUtils.SimpleStringSplitter mSubtypeSplitter = 3387 new TextUtils.SimpleStringSplitter(INPUT_METHOD_SUBTYPE_SEPARATER); 3388 3389 private final Resources mRes; 3390 private final ContentResolver mResolver; 3391 private final HashMap<String, InputMethodInfo> mMethodMap; 3392 private final ArrayList<InputMethodInfo> mMethodList; 3393 3394 private String mEnabledInputMethodsStrCache; 3395 private int mCurrentUserId; 3396 3397 private static void buildEnabledInputMethodsSettingString( 3398 StringBuilder builder, Pair<String, ArrayList<String>> pair) { 3399 String id = pair.first; 3400 ArrayList<String> subtypes = pair.second; 3401 builder.append(id); 3402 // Inputmethod and subtypes are saved in the settings as follows: 3403 // ime0;subtype0;subtype1:ime1;subtype0:ime2:ime3;subtype0;subtype1 3404 for (String subtypeId: subtypes) { 3405 builder.append(INPUT_METHOD_SUBTYPE_SEPARATER).append(subtypeId); 3406 } 3407 } 3408 3409 public InputMethodSettings( 3410 Resources res, ContentResolver resolver, 3411 HashMap<String, InputMethodInfo> methodMap, ArrayList<InputMethodInfo> methodList, 3412 int userId) { 3413 setCurrentUserId(userId); 3414 mRes = res; 3415 mResolver = resolver; 3416 mMethodMap = methodMap; 3417 mMethodList = methodList; 3418 } 3419 3420 public void setCurrentUserId(int userId) { 3421 if (DEBUG) { 3422 Slog.d(TAG, "--- Swtich the current user from " + mCurrentUserId + " to " 3423 + userId + ", new ime = " + getSelectedInputMethod()); 3424 } 3425 // IMMS settings are kept per user, so keep track of current user 3426 mCurrentUserId = userId; 3427 } 3428 3429 public List<InputMethodInfo> getEnabledInputMethodListLocked() { 3430 return createEnabledInputMethodListLocked( 3431 getEnabledInputMethodsAndSubtypeListLocked()); 3432 } 3433 3434 public List<Pair<InputMethodInfo, ArrayList<String>>> 3435 getEnabledInputMethodAndSubtypeHashCodeListLocked() { 3436 return createEnabledInputMethodAndSubtypeHashCodeListLocked( 3437 getEnabledInputMethodsAndSubtypeListLocked()); 3438 } 3439 3440 public List<InputMethodSubtype> getEnabledInputMethodSubtypeListLocked( 3441 InputMethodInfo imi) { 3442 List<Pair<String, ArrayList<String>>> imsList = 3443 getEnabledInputMethodsAndSubtypeListLocked(); 3444 ArrayList<InputMethodSubtype> enabledSubtypes = 3445 new ArrayList<InputMethodSubtype>(); 3446 if (imi != null) { 3447 for (Pair<String, ArrayList<String>> imsPair : imsList) { 3448 InputMethodInfo info = mMethodMap.get(imsPair.first); 3449 if (info != null && info.getId().equals(imi.getId())) { 3450 final int subtypeCount = info.getSubtypeCount(); 3451 for (int i = 0; i < subtypeCount; ++i) { 3452 InputMethodSubtype ims = info.getSubtypeAt(i); 3453 for (String s: imsPair.second) { 3454 if (String.valueOf(ims.hashCode()).equals(s)) { 3455 enabledSubtypes.add(ims); 3456 } 3457 } 3458 } 3459 break; 3460 } 3461 } 3462 } 3463 return enabledSubtypes; 3464 } 3465 3466 // At the initial boot, the settings for input methods are not set, 3467 // so we need to enable IME in that case. 3468 public void enableAllIMEsIfThereIsNoEnabledIME() { 3469 if (TextUtils.isEmpty(getEnabledInputMethodsStr())) { 3470 StringBuilder sb = new StringBuilder(); 3471 final int N = mMethodList.size(); 3472 for (int i = 0; i < N; i++) { 3473 InputMethodInfo imi = mMethodList.get(i); 3474 Slog.i(TAG, "Adding: " + imi.getId()); 3475 if (i > 0) sb.append(':'); 3476 sb.append(imi.getId()); 3477 } 3478 putEnabledInputMethodsStr(sb.toString()); 3479 } 3480 } 3481 3482 private List<Pair<String, ArrayList<String>>> getEnabledInputMethodsAndSubtypeListLocked() { 3483 ArrayList<Pair<String, ArrayList<String>>> imsList 3484 = new ArrayList<Pair<String, ArrayList<String>>>(); 3485 final String enabledInputMethodsStr = getEnabledInputMethodsStr(); 3486 if (TextUtils.isEmpty(enabledInputMethodsStr)) { 3487 return imsList; 3488 } 3489 mInputMethodSplitter.setString(enabledInputMethodsStr); 3490 while (mInputMethodSplitter.hasNext()) { 3491 String nextImsStr = mInputMethodSplitter.next(); 3492 mSubtypeSplitter.setString(nextImsStr); 3493 if (mSubtypeSplitter.hasNext()) { 3494 ArrayList<String> subtypeHashes = new ArrayList<String>(); 3495 // The first element is ime id. 3496 String imeId = mSubtypeSplitter.next(); 3497 while (mSubtypeSplitter.hasNext()) { 3498 subtypeHashes.add(mSubtypeSplitter.next()); 3499 } 3500 imsList.add(new Pair<String, ArrayList<String>>(imeId, subtypeHashes)); 3501 } 3502 } 3503 return imsList; 3504 } 3505 3506 public void appendAndPutEnabledInputMethodLocked(String id, boolean reloadInputMethodStr) { 3507 if (reloadInputMethodStr) { 3508 getEnabledInputMethodsStr(); 3509 } 3510 if (TextUtils.isEmpty(mEnabledInputMethodsStrCache)) { 3511 // Add in the newly enabled input method. 3512 putEnabledInputMethodsStr(id); 3513 } else { 3514 putEnabledInputMethodsStr( 3515 mEnabledInputMethodsStrCache + INPUT_METHOD_SEPARATER + id); 3516 } 3517 } 3518 3519 /** 3520 * Build and put a string of EnabledInputMethods with removing specified Id. 3521 * @return the specified id was removed or not. 3522 */ 3523 public boolean buildAndPutEnabledInputMethodsStrRemovingIdLocked( 3524 StringBuilder builder, List<Pair<String, ArrayList<String>>> imsList, String id) { 3525 boolean isRemoved = false; 3526 boolean needsAppendSeparator = false; 3527 for (Pair<String, ArrayList<String>> ims: imsList) { 3528 String curId = ims.first; 3529 if (curId.equals(id)) { 3530 // We are disabling this input method, and it is 3531 // currently enabled. Skip it to remove from the 3532 // new list. 3533 isRemoved = true; 3534 } else { 3535 if (needsAppendSeparator) { 3536 builder.append(INPUT_METHOD_SEPARATER); 3537 } else { 3538 needsAppendSeparator = true; 3539 } 3540 buildEnabledInputMethodsSettingString(builder, ims); 3541 } 3542 } 3543 if (isRemoved) { 3544 // Update the setting with the new list of input methods. 3545 putEnabledInputMethodsStr(builder.toString()); 3546 } 3547 return isRemoved; 3548 } 3549 3550 private List<InputMethodInfo> createEnabledInputMethodListLocked( 3551 List<Pair<String, ArrayList<String>>> imsList) { 3552 final ArrayList<InputMethodInfo> res = new ArrayList<InputMethodInfo>(); 3553 for (Pair<String, ArrayList<String>> ims: imsList) { 3554 InputMethodInfo info = mMethodMap.get(ims.first); 3555 if (info != null) { 3556 res.add(info); 3557 } 3558 } 3559 return res; 3560 } 3561 3562 private List<Pair<InputMethodInfo, ArrayList<String>>> 3563 createEnabledInputMethodAndSubtypeHashCodeListLocked( 3564 List<Pair<String, ArrayList<String>>> imsList) { 3565 final ArrayList<Pair<InputMethodInfo, ArrayList<String>>> res 3566 = new ArrayList<Pair<InputMethodInfo, ArrayList<String>>>(); 3567 for (Pair<String, ArrayList<String>> ims : imsList) { 3568 InputMethodInfo info = mMethodMap.get(ims.first); 3569 if (info != null) { 3570 res.add(new Pair<InputMethodInfo, ArrayList<String>>(info, ims.second)); 3571 } 3572 } 3573 return res; 3574 } 3575 3576 private void putEnabledInputMethodsStr(String str) { 3577 Settings.Secure.putStringForUser( 3578 mResolver, Settings.Secure.ENABLED_INPUT_METHODS, str, mCurrentUserId); 3579 mEnabledInputMethodsStrCache = str; 3580 if (DEBUG) { 3581 Slog.d(TAG, "putEnabledInputMethodStr: " + str); 3582 } 3583 } 3584 3585 private String getEnabledInputMethodsStr() { 3586 mEnabledInputMethodsStrCache = Settings.Secure.getStringForUser( 3587 mResolver, Settings.Secure.ENABLED_INPUT_METHODS, mCurrentUserId); 3588 if (DEBUG) { 3589 Slog.d(TAG, "getEnabledInputMethodsStr: " + mEnabledInputMethodsStrCache 3590 + ", " + mCurrentUserId); 3591 } 3592 return mEnabledInputMethodsStrCache; 3593 } 3594 3595 private void saveSubtypeHistory( 3596 List<Pair<String, String>> savedImes, String newImeId, String newSubtypeId) { 3597 StringBuilder builder = new StringBuilder(); 3598 boolean isImeAdded = false; 3599 if (!TextUtils.isEmpty(newImeId) && !TextUtils.isEmpty(newSubtypeId)) { 3600 builder.append(newImeId).append(INPUT_METHOD_SUBTYPE_SEPARATER).append( 3601 newSubtypeId); 3602 isImeAdded = true; 3603 } 3604 for (Pair<String, String> ime: savedImes) { 3605 String imeId = ime.first; 3606 String subtypeId = ime.second; 3607 if (TextUtils.isEmpty(subtypeId)) { 3608 subtypeId = NOT_A_SUBTYPE_ID_STR; 3609 } 3610 if (isImeAdded) { 3611 builder.append(INPUT_METHOD_SEPARATER); 3612 } else { 3613 isImeAdded = true; 3614 } 3615 builder.append(imeId).append(INPUT_METHOD_SUBTYPE_SEPARATER).append( 3616 subtypeId); 3617 } 3618 // Remove the last INPUT_METHOD_SEPARATER 3619 putSubtypeHistoryStr(builder.toString()); 3620 } 3621 3622 public void addSubtypeToHistory(String imeId, String subtypeId) { 3623 List<Pair<String, String>> subtypeHistory = loadInputMethodAndSubtypeHistoryLocked(); 3624 for (Pair<String, String> ime: subtypeHistory) { 3625 if (ime.first.equals(imeId)) { 3626 if (DEBUG) { 3627 Slog.v(TAG, "Subtype found in the history: " + imeId + ", " 3628 + ime.second); 3629 } 3630 // We should break here 3631 subtypeHistory.remove(ime); 3632 break; 3633 } 3634 } 3635 if (DEBUG) { 3636 Slog.v(TAG, "Add subtype to the history: " + imeId + ", " + subtypeId); 3637 } 3638 saveSubtypeHistory(subtypeHistory, imeId, subtypeId); 3639 } 3640 3641 private void putSubtypeHistoryStr(String str) { 3642 if (DEBUG) { 3643 Slog.d(TAG, "putSubtypeHistoryStr: " + str); 3644 } 3645 Settings.Secure.putStringForUser( 3646 mResolver, Settings.Secure.INPUT_METHODS_SUBTYPE_HISTORY, str, mCurrentUserId); 3647 } 3648 3649 public Pair<String, String> getLastInputMethodAndSubtypeLocked() { 3650 // Gets the first one from the history 3651 return getLastSubtypeForInputMethodLockedInternal(null); 3652 } 3653 3654 public String getLastSubtypeForInputMethodLocked(String imeId) { 3655 Pair<String, String> ime = getLastSubtypeForInputMethodLockedInternal(imeId); 3656 if (ime != null) { 3657 return ime.second; 3658 } else { 3659 return null; 3660 } 3661 } 3662 3663 private Pair<String, String> getLastSubtypeForInputMethodLockedInternal(String imeId) { 3664 List<Pair<String, ArrayList<String>>> enabledImes = 3665 getEnabledInputMethodsAndSubtypeListLocked(); 3666 List<Pair<String, String>> subtypeHistory = loadInputMethodAndSubtypeHistoryLocked(); 3667 for (Pair<String, String> imeAndSubtype : subtypeHistory) { 3668 final String imeInTheHistory = imeAndSubtype.first; 3669 // If imeId is empty, returns the first IME and subtype in the history 3670 if (TextUtils.isEmpty(imeId) || imeInTheHistory.equals(imeId)) { 3671 final String subtypeInTheHistory = imeAndSubtype.second; 3672 final String subtypeHashCode = 3673 getEnabledSubtypeHashCodeForInputMethodAndSubtypeLocked( 3674 enabledImes, imeInTheHistory, subtypeInTheHistory); 3675 if (!TextUtils.isEmpty(subtypeHashCode)) { 3676 if (DEBUG) { 3677 Slog.d(TAG, "Enabled subtype found in the history: " + subtypeHashCode); 3678 } 3679 return new Pair<String, String>(imeInTheHistory, subtypeHashCode); 3680 } 3681 } 3682 } 3683 if (DEBUG) { 3684 Slog.d(TAG, "No enabled IME found in the history"); 3685 } 3686 return null; 3687 } 3688 3689 private String getEnabledSubtypeHashCodeForInputMethodAndSubtypeLocked(List<Pair<String, 3690 ArrayList<String>>> enabledImes, String imeId, String subtypeHashCode) { 3691 for (Pair<String, ArrayList<String>> enabledIme: enabledImes) { 3692 if (enabledIme.first.equals(imeId)) { 3693 final ArrayList<String> explicitlyEnabledSubtypes = enabledIme.second; 3694 final InputMethodInfo imi = mMethodMap.get(imeId); 3695 if (explicitlyEnabledSubtypes.size() == 0) { 3696 // If there are no explicitly enabled subtypes, applicable subtypes are 3697 // enabled implicitly. 3698 // If IME is enabled and no subtypes are enabled, applicable subtypes 3699 // are enabled implicitly, so needs to treat them to be enabled. 3700 if (imi != null && imi.getSubtypeCount() > 0) { 3701 List<InputMethodSubtype> implicitlySelectedSubtypes = 3702 getImplicitlyApplicableSubtypesLocked(mRes, imi); 3703 if (implicitlySelectedSubtypes != null) { 3704 final int N = implicitlySelectedSubtypes.size(); 3705 for (int i = 0; i < N; ++i) { 3706 final InputMethodSubtype st = implicitlySelectedSubtypes.get(i); 3707 if (String.valueOf(st.hashCode()).equals(subtypeHashCode)) { 3708 return subtypeHashCode; 3709 } 3710 } 3711 } 3712 } 3713 } else { 3714 for (String s: explicitlyEnabledSubtypes) { 3715 if (s.equals(subtypeHashCode)) { 3716 // If both imeId and subtypeId are enabled, return subtypeId. 3717 try { 3718 final int hashCode = Integer.valueOf(subtypeHashCode); 3719 // Check whether the subtype id is valid or not 3720 if (isValidSubtypeId(imi, hashCode)) { 3721 return s; 3722 } else { 3723 return NOT_A_SUBTYPE_ID_STR; 3724 } 3725 } catch (NumberFormatException e) { 3726 return NOT_A_SUBTYPE_ID_STR; 3727 } 3728 } 3729 } 3730 } 3731 // If imeId was enabled but subtypeId was disabled. 3732 return NOT_A_SUBTYPE_ID_STR; 3733 } 3734 } 3735 // If both imeId and subtypeId are disabled, return null 3736 return null; 3737 } 3738 3739 private List<Pair<String, String>> loadInputMethodAndSubtypeHistoryLocked() { 3740 ArrayList<Pair<String, String>> imsList = new ArrayList<Pair<String, String>>(); 3741 final String subtypeHistoryStr = getSubtypeHistoryStr(); 3742 if (TextUtils.isEmpty(subtypeHistoryStr)) { 3743 return imsList; 3744 } 3745 mInputMethodSplitter.setString(subtypeHistoryStr); 3746 while (mInputMethodSplitter.hasNext()) { 3747 String nextImsStr = mInputMethodSplitter.next(); 3748 mSubtypeSplitter.setString(nextImsStr); 3749 if (mSubtypeSplitter.hasNext()) { 3750 String subtypeId = NOT_A_SUBTYPE_ID_STR; 3751 // The first element is ime id. 3752 String imeId = mSubtypeSplitter.next(); 3753 while (mSubtypeSplitter.hasNext()) { 3754 subtypeId = mSubtypeSplitter.next(); 3755 break; 3756 } 3757 imsList.add(new Pair<String, String>(imeId, subtypeId)); 3758 } 3759 } 3760 return imsList; 3761 } 3762 3763 private String getSubtypeHistoryStr() { 3764 if (DEBUG) { 3765 Slog.d(TAG, "getSubtypeHistoryStr: " + Settings.Secure.getStringForUser( 3766 mResolver, Settings.Secure.INPUT_METHODS_SUBTYPE_HISTORY, mCurrentUserId)); 3767 } 3768 return Settings.Secure.getStringForUser( 3769 mResolver, Settings.Secure.INPUT_METHODS_SUBTYPE_HISTORY, mCurrentUserId); 3770 } 3771 3772 public void putSelectedInputMethod(String imeId) { 3773 if (DEBUG) { 3774 Slog.d(TAG, "putSelectedInputMethodStr: " + imeId + ", " 3775 + mCurrentUserId); 3776 } 3777 Settings.Secure.putStringForUser( 3778 mResolver, Settings.Secure.DEFAULT_INPUT_METHOD, imeId, mCurrentUserId); 3779 } 3780 3781 public void putSelectedSubtype(int subtypeId) { 3782 if (DEBUG) { 3783 Slog.d(TAG, "putSelectedInputMethodSubtypeStr: " + subtypeId + ", " 3784 + mCurrentUserId); 3785 } 3786 Settings.Secure.putIntForUser(mResolver, Settings.Secure.SELECTED_INPUT_METHOD_SUBTYPE, 3787 subtypeId, mCurrentUserId); 3788 } 3789 3790 public String getDisabledSystemInputMethods() { 3791 return Settings.Secure.getStringForUser( 3792 mResolver, Settings.Secure.DISABLED_SYSTEM_INPUT_METHODS, mCurrentUserId); 3793 } 3794 3795 public String getSelectedInputMethod() { 3796 if (DEBUG) { 3797 Slog.d(TAG, "getSelectedInputMethodStr: " + Settings.Secure.getStringForUser( 3798 mResolver, Settings.Secure.DEFAULT_INPUT_METHOD, mCurrentUserId) 3799 + ", " + mCurrentUserId); 3800 } 3801 return Settings.Secure.getStringForUser( 3802 mResolver, Settings.Secure.DEFAULT_INPUT_METHOD, mCurrentUserId); 3803 } 3804 3805 public int getSelectedInputMethodSubtypeHashCode() { 3806 try { 3807 return Settings.Secure.getIntForUser( 3808 mResolver, Settings.Secure.SELECTED_INPUT_METHOD_SUBTYPE, mCurrentUserId); 3809 } catch (SettingNotFoundException e) { 3810 return NOT_A_SUBTYPE_ID; 3811 } 3812 } 3813 3814 public int getCurrentUserId() { 3815 return mCurrentUserId; 3816 } 3817 } 3818 3819 private static class InputMethodFileManager { 3820 private static final String SYSTEM_PATH = "system"; 3821 private static final String INPUT_METHOD_PATH = "inputmethod"; 3822 private static final String ADDITIONAL_SUBTYPES_FILE_NAME = "subtypes.xml"; 3823 private static final String NODE_SUBTYPES = "subtypes"; 3824 private static final String NODE_SUBTYPE = "subtype"; 3825 private static final String NODE_IMI = "imi"; 3826 private static final String ATTR_ID = "id"; 3827 private static final String ATTR_LABEL = "label"; 3828 private static final String ATTR_ICON = "icon"; 3829 private static final String ATTR_IME_SUBTYPE_LOCALE = "imeSubtypeLocale"; 3830 private static final String ATTR_IME_SUBTYPE_MODE = "imeSubtypeMode"; 3831 private static final String ATTR_IME_SUBTYPE_EXTRA_VALUE = "imeSubtypeExtraValue"; 3832 private static final String ATTR_IS_AUXILIARY = "isAuxiliary"; 3833 private final AtomicFile mAdditionalInputMethodSubtypeFile; 3834 private final HashMap<String, InputMethodInfo> mMethodMap; 3835 private final HashMap<String, List<InputMethodSubtype>> mAdditionalSubtypesMap = 3836 new HashMap<String, List<InputMethodSubtype>>(); 3837 public InputMethodFileManager(HashMap<String, InputMethodInfo> methodMap) { 3838 if (methodMap == null) { 3839 throw new NullPointerException("methodMap is null"); 3840 } 3841 mMethodMap = methodMap; 3842 final File systemDir = new File(Environment.getDataDirectory(), SYSTEM_PATH); 3843 final File inputMethodDir = new File(systemDir, INPUT_METHOD_PATH); 3844 if (!inputMethodDir.mkdirs()) { 3845 Slog.w(TAG, "Couldn't create dir.: " + inputMethodDir.getAbsolutePath()); 3846 } 3847 final File subtypeFile = new File(inputMethodDir, ADDITIONAL_SUBTYPES_FILE_NAME); 3848 mAdditionalInputMethodSubtypeFile = new AtomicFile(subtypeFile); 3849 if (!subtypeFile.exists()) { 3850 // If "subtypes.xml" doesn't exist, create a blank file. 3851 writeAdditionalInputMethodSubtypes( 3852 mAdditionalSubtypesMap, mAdditionalInputMethodSubtypeFile, methodMap); 3853 } else { 3854 readAdditionalInputMethodSubtypes( 3855 mAdditionalSubtypesMap, mAdditionalInputMethodSubtypeFile); 3856 } 3857 } 3858 3859 private void deleteAllInputMethodSubtypes(String imiId) { 3860 synchronized (mMethodMap) { 3861 mAdditionalSubtypesMap.remove(imiId); 3862 writeAdditionalInputMethodSubtypes( 3863 mAdditionalSubtypesMap, mAdditionalInputMethodSubtypeFile, mMethodMap); 3864 } 3865 } 3866 3867 public void addInputMethodSubtypes( 3868 InputMethodInfo imi, InputMethodSubtype[] additionalSubtypes) { 3869 synchronized (mMethodMap) { 3870 final ArrayList<InputMethodSubtype> subtypes = new ArrayList<InputMethodSubtype>(); 3871 final int N = additionalSubtypes.length; 3872 for (int i = 0; i < N; ++i) { 3873 final InputMethodSubtype subtype = additionalSubtypes[i]; 3874 if (!subtypes.contains(subtype)) { 3875 subtypes.add(subtype); 3876 } else { 3877 Slog.w(TAG, "Duplicated subtype definition found: " 3878 + subtype.getLocale() + ", " + subtype.getMode()); 3879 } 3880 } 3881 mAdditionalSubtypesMap.put(imi.getId(), subtypes); 3882 writeAdditionalInputMethodSubtypes( 3883 mAdditionalSubtypesMap, mAdditionalInputMethodSubtypeFile, mMethodMap); 3884 } 3885 } 3886 3887 public HashMap<String, List<InputMethodSubtype>> getAllAdditionalInputMethodSubtypes() { 3888 synchronized (mMethodMap) { 3889 return mAdditionalSubtypesMap; 3890 } 3891 } 3892 3893 private static void writeAdditionalInputMethodSubtypes( 3894 HashMap<String, List<InputMethodSubtype>> allSubtypes, AtomicFile subtypesFile, 3895 HashMap<String, InputMethodInfo> methodMap) { 3896 // Safety net for the case that this function is called before methodMap is set. 3897 final boolean isSetMethodMap = methodMap != null && methodMap.size() > 0; 3898 FileOutputStream fos = null; 3899 try { 3900 fos = subtypesFile.startWrite(); 3901 final XmlSerializer out = new FastXmlSerializer(); 3902 out.setOutput(fos, "utf-8"); 3903 out.startDocument(null, true); 3904 out.setFeature("http://xmlpull.org/v1/doc/features.html#indent-output", true); 3905 out.startTag(null, NODE_SUBTYPES); 3906 for (String imiId : allSubtypes.keySet()) { 3907 if (isSetMethodMap && !methodMap.containsKey(imiId)) { 3908 Slog.w(TAG, "IME uninstalled or not valid.: " + imiId); 3909 continue; 3910 } 3911 out.startTag(null, NODE_IMI); 3912 out.attribute(null, ATTR_ID, imiId); 3913 final List<InputMethodSubtype> subtypesList = allSubtypes.get(imiId); 3914 final int N = subtypesList.size(); 3915 for (int i = 0; i < N; ++i) { 3916 final InputMethodSubtype subtype = subtypesList.get(i); 3917 out.startTag(null, NODE_SUBTYPE); 3918 out.attribute(null, ATTR_ICON, String.valueOf(subtype.getIconResId())); 3919 out.attribute(null, ATTR_LABEL, String.valueOf(subtype.getNameResId())); 3920 out.attribute(null, ATTR_IME_SUBTYPE_LOCALE, subtype.getLocale()); 3921 out.attribute(null, ATTR_IME_SUBTYPE_MODE, subtype.getMode()); 3922 out.attribute(null, ATTR_IME_SUBTYPE_EXTRA_VALUE, subtype.getExtraValue()); 3923 out.attribute(null, ATTR_IS_AUXILIARY, 3924 String.valueOf(subtype.isAuxiliary() ? 1 : 0)); 3925 out.endTag(null, NODE_SUBTYPE); 3926 } 3927 out.endTag(null, NODE_IMI); 3928 } 3929 out.endTag(null, NODE_SUBTYPES); 3930 out.endDocument(); 3931 subtypesFile.finishWrite(fos); 3932 } catch (java.io.IOException e) { 3933 Slog.w(TAG, "Error writing subtypes", e); 3934 if (fos != null) { 3935 subtypesFile.failWrite(fos); 3936 } 3937 } 3938 } 3939 3940 private static void readAdditionalInputMethodSubtypes( 3941 HashMap<String, List<InputMethodSubtype>> allSubtypes, AtomicFile subtypesFile) { 3942 if (allSubtypes == null || subtypesFile == null) return; 3943 allSubtypes.clear(); 3944 FileInputStream fis = null; 3945 try { 3946 fis = subtypesFile.openRead(); 3947 final XmlPullParser parser = Xml.newPullParser(); 3948 parser.setInput(fis, null); 3949 int type = parser.getEventType(); 3950 // Skip parsing until START_TAG 3951 while ((type = parser.next()) != XmlPullParser.START_TAG 3952 && type != XmlPullParser.END_DOCUMENT) {} 3953 String firstNodeName = parser.getName(); 3954 if (!NODE_SUBTYPES.equals(firstNodeName)) { 3955 throw new XmlPullParserException("Xml doesn't start with subtypes"); 3956 } 3957 final int depth =parser.getDepth(); 3958 String currentImiId = null; 3959 ArrayList<InputMethodSubtype> tempSubtypesArray = null; 3960 while (((type = parser.next()) != XmlPullParser.END_TAG 3961 || parser.getDepth() > depth) && type != XmlPullParser.END_DOCUMENT) { 3962 if (type != XmlPullParser.START_TAG) 3963 continue; 3964 final String nodeName = parser.getName(); 3965 if (NODE_IMI.equals(nodeName)) { 3966 currentImiId = parser.getAttributeValue(null, ATTR_ID); 3967 if (TextUtils.isEmpty(currentImiId)) { 3968 Slog.w(TAG, "Invalid imi id found in subtypes.xml"); 3969 continue; 3970 } 3971 tempSubtypesArray = new ArrayList<InputMethodSubtype>(); 3972 allSubtypes.put(currentImiId, tempSubtypesArray); 3973 } else if (NODE_SUBTYPE.equals(nodeName)) { 3974 if (TextUtils.isEmpty(currentImiId) || tempSubtypesArray == null) { 3975 Slog.w(TAG, "IME uninstalled or not valid.: " + currentImiId); 3976 continue; 3977 } 3978 final int icon = Integer.valueOf( 3979 parser.getAttributeValue(null, ATTR_ICON)); 3980 final int label = Integer.valueOf( 3981 parser.getAttributeValue(null, ATTR_LABEL)); 3982 final String imeSubtypeLocale = 3983 parser.getAttributeValue(null, ATTR_IME_SUBTYPE_LOCALE); 3984 final String imeSubtypeMode = 3985 parser.getAttributeValue(null, ATTR_IME_SUBTYPE_MODE); 3986 final String imeSubtypeExtraValue = 3987 parser.getAttributeValue(null, ATTR_IME_SUBTYPE_EXTRA_VALUE); 3988 final boolean isAuxiliary = "1".equals(String.valueOf( 3989 parser.getAttributeValue(null, ATTR_IS_AUXILIARY))); 3990 final InputMethodSubtype subtype = 3991 new InputMethodSubtype(label, icon, imeSubtypeLocale, 3992 imeSubtypeMode, imeSubtypeExtraValue, isAuxiliary); 3993 tempSubtypesArray.add(subtype); 3994 } 3995 } 3996 } catch (XmlPullParserException e) { 3997 Slog.w(TAG, "Error reading subtypes: " + e); 3998 return; 3999 } catch (java.io.IOException e) { 4000 Slog.w(TAG, "Error reading subtypes: " + e); 4001 return; 4002 } catch (NumberFormatException e) { 4003 Slog.w(TAG, "Error reading subtypes: " + e); 4004 return; 4005 } finally { 4006 if (fis != null) { 4007 try { 4008 fis.close(); 4009 } catch (java.io.IOException e1) { 4010 Slog.w(TAG, "Failed to close."); 4011 } 4012 } 4013 } 4014 } 4015 } 4016 4017 // ---------------------------------------------------------------------- 4018 // Utilities for debug 4019 private static String getStackTrace() { 4020 final StringBuilder sb = new StringBuilder(); 4021 try { 4022 throw new RuntimeException(); 4023 } catch (RuntimeException e) { 4024 final StackTraceElement[] frames = e.getStackTrace(); 4025 // Start at 1 because the first frame is here and we don't care about it 4026 for (int j = 1; j < frames.length; ++j) { 4027 sb.append(frames[j].toString() + "\n"); 4028 } 4029 } 4030 return sb.toString(); 4031 } 4032 4033 @Override 4034 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 4035 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 4036 != PackageManager.PERMISSION_GRANTED) { 4037 4038 pw.println("Permission Denial: can't dump InputMethodManager from from pid=" 4039 + Binder.getCallingPid() 4040 + ", uid=" + Binder.getCallingUid()); 4041 return; 4042 } 4043 4044 IInputMethod method; 4045 ClientState client; 4046 4047 final Printer p = new PrintWriterPrinter(pw); 4048 4049 synchronized (mMethodMap) { 4050 p.println("Current Input Method Manager state:"); 4051 int N = mMethodList.size(); 4052 p.println(" Input Methods:"); 4053 for (int i=0; i<N; i++) { 4054 InputMethodInfo info = mMethodList.get(i); 4055 p.println(" InputMethod #" + i + ":"); 4056 info.dump(p, " "); 4057 } 4058 p.println(" Clients:"); 4059 for (ClientState ci : mClients.values()) { 4060 p.println(" Client " + ci + ":"); 4061 p.println(" client=" + ci.client); 4062 p.println(" inputContext=" + ci.inputContext); 4063 p.println(" sessionRequested=" + ci.sessionRequested); 4064 p.println(" curSession=" + ci.curSession); 4065 } 4066 p.println(" mCurMethodId=" + mCurMethodId); 4067 client = mCurClient; 4068 p.println(" mCurClient=" + client + " mCurSeq=" + mCurSeq); 4069 p.println(" mCurFocusedWindow=" + mCurFocusedWindow); 4070 p.println(" mCurId=" + mCurId + " mHaveConnect=" + mHaveConnection 4071 + " mBoundToMethod=" + mBoundToMethod); 4072 p.println(" mCurToken=" + mCurToken); 4073 p.println(" mCurIntent=" + mCurIntent); 4074 method = mCurMethod; 4075 p.println(" mCurMethod=" + mCurMethod); 4076 p.println(" mEnabledSession=" + mEnabledSession); 4077 p.println(" mShowRequested=" + mShowRequested 4078 + " mShowExplicitlyRequested=" + mShowExplicitlyRequested 4079 + " mShowForced=" + mShowForced 4080 + " mInputShown=" + mInputShown); 4081 p.println(" mSystemReady=" + mSystemReady + " mScreenOn=" + mScreenOn); 4082 } 4083 4084 p.println(" "); 4085 if (client != null) { 4086 pw.flush(); 4087 try { 4088 client.client.asBinder().dump(fd, args); 4089 } catch (RemoteException e) { 4090 p.println("Input method client dead: " + e); 4091 } 4092 } else { 4093 p.println("No input method client."); 4094 } 4095 4096 p.println(" "); 4097 if (method != null) { 4098 pw.flush(); 4099 try { 4100 method.asBinder().dump(fd, args); 4101 } catch (RemoteException e) { 4102 p.println("Input method service dead: " + e); 4103 } 4104 } else { 4105 p.println("No input method service."); 4106 } 4107 } 4108} 4109