InputMethodManagerService.java revision c28867a1d67121ce5963de135e3ae2b1dbd9a33d
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.inputmethod.InputMethodUtils; 20import com.android.internal.inputmethod.InputMethodUtils.InputMethodSettings; 21import com.android.internal.os.HandlerCaller; 22import com.android.internal.os.SomeArgs; 23import com.android.internal.util.FastXmlSerializer; 24import com.android.internal.view.IInputContext; 25import com.android.internal.view.IInputMethod; 26import com.android.internal.view.IInputSessionCallback; 27import com.android.internal.view.IInputMethodClient; 28import com.android.internal.view.IInputMethodManager; 29import com.android.internal.view.IInputMethodSession; 30import com.android.internal.view.InputBindResult; 31import com.android.server.EventLogTags; 32import com.android.server.wm.WindowManagerService; 33 34import org.xmlpull.v1.XmlPullParser; 35import org.xmlpull.v1.XmlPullParserException; 36import org.xmlpull.v1.XmlSerializer; 37 38import android.app.ActivityManagerNative; 39import android.app.AppGlobals; 40import android.app.AlertDialog; 41import android.app.IUserSwitchObserver; 42import android.app.KeyguardManager; 43import android.app.Notification; 44import android.app.NotificationManager; 45import android.app.PendingIntent; 46import android.content.BroadcastReceiver; 47import android.content.ComponentName; 48import android.content.ContentResolver; 49import android.content.Context; 50import android.content.DialogInterface; 51import android.content.DialogInterface.OnCancelListener; 52import android.content.Intent; 53import android.content.IntentFilter; 54import android.content.ServiceConnection; 55import android.content.pm.ApplicationInfo; 56import android.content.pm.IPackageManager; 57import android.content.pm.PackageManager; 58import android.content.pm.ResolveInfo; 59import android.content.pm.ServiceInfo; 60import android.content.res.Configuration; 61import android.content.res.Resources; 62import android.content.res.TypedArray; 63import android.database.ContentObserver; 64import android.inputmethodservice.InputMethodService; 65import android.os.Binder; 66import android.os.Environment; 67import android.os.Handler; 68import android.os.IBinder; 69import android.os.IInterface; 70import android.os.IRemoteCallback; 71import android.os.Message; 72import android.os.Process; 73import android.os.Parcel; 74import android.os.RemoteException; 75import android.os.ResultReceiver; 76import android.os.ServiceManager; 77import android.os.SystemClock; 78import android.os.UserHandle; 79import android.provider.Settings; 80import android.text.TextUtils; 81import android.text.style.SuggestionSpan; 82import android.util.AtomicFile; 83import android.util.EventLog; 84import android.util.LruCache; 85import android.util.Pair; 86import android.util.PrintWriterPrinter; 87import android.util.Printer; 88import android.util.Slog; 89import android.util.Xml; 90import android.view.IWindowManager; 91import android.view.InputChannel; 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 = InputMethodUtils.NOT_A_SUBTYPE_ID; 158 private static final String TAG_TRY_SUPPRESSING_IME_SWITCHER = "TrySuppressingImeSwitcher"; 159 160 161 final Context mContext; 162 final Resources mRes; 163 final Handler mHandler; 164 final InputMethodSettings mSettings; 165 final SettingsObserver mSettingsObserver; 166 final IWindowManager mIWindowManager; 167 final HandlerCaller mCaller; 168 final boolean mHasFeature; 169 private InputMethodFileManager mFileManager; 170 private InputMethodAndSubtypeListManager mImListManager; 171 private final HardKeyboardListener mHardKeyboardListener; 172 private final WindowManagerService mWindowManagerService; 173 174 final InputBindResult mNoBinding = new InputBindResult(null, null, null, -1); 175 176 // All known input methods. mMethodMap also serves as the global 177 // lock for this class. 178 final ArrayList<InputMethodInfo> mMethodList = new ArrayList<InputMethodInfo>(); 179 final HashMap<String, InputMethodInfo> mMethodMap = new HashMap<String, InputMethodInfo>(); 180 private final LruCache<SuggestionSpan, InputMethodInfo> mSecureSuggestionSpans = 181 new LruCache<SuggestionSpan, InputMethodInfo>(SECURE_SUGGESTION_SPANS_MAX_SIZE); 182 183 // Used to bring IME service up to visible adjustment while it is being shown. 184 final ServiceConnection mVisibleConnection = new ServiceConnection() { 185 @Override public void onServiceConnected(ComponentName name, IBinder service) { 186 } 187 188 @Override public void onServiceDisconnected(ComponentName name) { 189 } 190 }; 191 boolean mVisibleBound = false; 192 193 // Ongoing notification 194 private NotificationManager mNotificationManager; 195 private KeyguardManager mKeyguardManager; 196 private StatusBarManagerService mStatusBar; 197 private Notification mImeSwitcherNotification; 198 private PendingIntent mImeSwitchPendingIntent; 199 private boolean mShowOngoingImeSwitcherForPhones; 200 private boolean mNotificationShown; 201 private final boolean mImeSelectedOnBoot; 202 203 class SessionState { 204 final ClientState client; 205 final IInputMethod method; 206 207 IInputMethodSession session; 208 InputChannel channel; 209 210 @Override 211 public String toString() { 212 return "SessionState{uid " + client.uid + " pid " + client.pid 213 + " method " + Integer.toHexString( 214 System.identityHashCode(method)) 215 + " session " + Integer.toHexString( 216 System.identityHashCode(session)) 217 + " channel " + channel 218 + "}"; 219 } 220 221 SessionState(ClientState _client, IInputMethod _method, 222 IInputMethodSession _session, InputChannel _channel) { 223 client = _client; 224 method = _method; 225 session = _session; 226 channel = _channel; 227 } 228 } 229 230 static final class ClientState { 231 final IInputMethodClient client; 232 final IInputContext inputContext; 233 final int uid; 234 final int pid; 235 final InputBinding binding; 236 237 boolean sessionRequested; 238 SessionState curSession; 239 240 @Override 241 public String toString() { 242 return "ClientState{" + Integer.toHexString( 243 System.identityHashCode(this)) + " uid " + uid 244 + " pid " + pid + "}"; 245 } 246 247 ClientState(IInputMethodClient _client, IInputContext _inputContext, 248 int _uid, int _pid) { 249 client = _client; 250 inputContext = _inputContext; 251 uid = _uid; 252 pid = _pid; 253 binding = new InputBinding(null, inputContext.asBinder(), uid, pid); 254 } 255 } 256 257 final HashMap<IBinder, ClientState> mClients 258 = new HashMap<IBinder, ClientState>(); 259 260 /** 261 * Set once the system is ready to run third party code. 262 */ 263 boolean mSystemReady; 264 265 /** 266 * Id of the currently selected input method. 267 */ 268 String mCurMethodId; 269 270 /** 271 * The current binding sequence number, incremented every time there is 272 * a new bind performed. 273 */ 274 int mCurSeq; 275 276 /** 277 * The client that is currently bound to an input method. 278 */ 279 ClientState mCurClient; 280 281 /** 282 * The last window token that gained focus. 283 */ 284 IBinder mCurFocusedWindow; 285 286 /** 287 * The input context last provided by the current client. 288 */ 289 IInputContext mCurInputContext; 290 291 /** 292 * The attributes last provided by the current client. 293 */ 294 EditorInfo mCurAttribute; 295 296 /** 297 * The input method ID of the input method service that we are currently 298 * connected to or in the process of connecting to. 299 */ 300 String mCurId; 301 302 /** 303 * The current subtype of the current input method. 304 */ 305 private InputMethodSubtype mCurrentSubtype; 306 307 // This list contains the pairs of InputMethodInfo and InputMethodSubtype. 308 private final HashMap<InputMethodInfo, ArrayList<InputMethodSubtype>> 309 mShortcutInputMethodsAndSubtypes = 310 new HashMap<InputMethodInfo, ArrayList<InputMethodSubtype>>(); 311 312 /** 313 * Set to true if our ServiceConnection is currently actively bound to 314 * a service (whether or not we have gotten its IBinder back yet). 315 */ 316 boolean mHaveConnection; 317 318 /** 319 * Set if the client has asked for the input method to be shown. 320 */ 321 boolean mShowRequested; 322 323 /** 324 * Set if we were explicitly told to show the input method. 325 */ 326 boolean mShowExplicitlyRequested; 327 328 /** 329 * Set if we were forced to be shown. 330 */ 331 boolean mShowForced; 332 333 /** 334 * Set if we last told the input method to show itself. 335 */ 336 boolean mInputShown; 337 338 /** 339 * The Intent used to connect to the current input method. 340 */ 341 Intent mCurIntent; 342 343 /** 344 * The token we have made for the currently active input method, to 345 * identify it in the future. 346 */ 347 IBinder mCurToken; 348 349 /** 350 * If non-null, this is the input method service we are currently connected 351 * to. 352 */ 353 IInputMethod mCurMethod; 354 355 /** 356 * Time that we last initiated a bind to the input method, to determine 357 * if we should try to disconnect and reconnect to it. 358 */ 359 long mLastBindTime; 360 361 /** 362 * Have we called mCurMethod.bindInput()? 363 */ 364 boolean mBoundToMethod; 365 366 /** 367 * Currently enabled session. Only touched by service thread, not 368 * protected by a lock. 369 */ 370 SessionState mEnabledSession; 371 372 /** 373 * True if the screen is on. The value is true initially. 374 */ 375 boolean mScreenOn = true; 376 377 int mBackDisposition = InputMethodService.BACK_DISPOSITION_DEFAULT; 378 int mImeWindowVis; 379 380 private AlertDialog.Builder mDialogBuilder; 381 private AlertDialog mSwitchingDialog; 382 private View mSwitchingDialogTitleView; 383 private InputMethodInfo[] mIms; 384 private int[] mSubtypeIds; 385 private Locale mLastSystemLocale; 386 private final MyPackageMonitor mMyPackageMonitor = new MyPackageMonitor(); 387 private final IPackageManager mIPackageManager; 388 private boolean mInputBoundToKeyguard; 389 390 class SettingsObserver extends ContentObserver { 391 String mLastEnabled = ""; 392 393 SettingsObserver(Handler handler) { 394 super(handler); 395 ContentResolver resolver = mContext.getContentResolver(); 396 resolver.registerContentObserver(Settings.Secure.getUriFor( 397 Settings.Secure.DEFAULT_INPUT_METHOD), false, this); 398 resolver.registerContentObserver(Settings.Secure.getUriFor( 399 Settings.Secure.ENABLED_INPUT_METHODS), false, this); 400 resolver.registerContentObserver(Settings.Secure.getUriFor( 401 Settings.Secure.SELECTED_INPUT_METHOD_SUBTYPE), false, this); 402 } 403 404 @Override public void onChange(boolean selfChange) { 405 synchronized (mMethodMap) { 406 boolean enabledChanged = false; 407 String newEnabled = mSettings.getEnabledInputMethodsStr(); 408 if (!mLastEnabled.equals(newEnabled)) { 409 mLastEnabled = newEnabled; 410 enabledChanged = true; 411 } 412 updateFromSettingsLocked(enabledChanged); 413 } 414 } 415 } 416 417 class ImmsBroadcastReceiver extends android.content.BroadcastReceiver { 418 private void updateActive() { 419 // Inform the current client of the change in active status 420 if (mCurClient != null && mCurClient.client != null) { 421 executeOrSendMessage(mCurClient.client, mCaller.obtainMessageIO( 422 MSG_SET_ACTIVE, mScreenOn ? 1 : 0, mCurClient)); 423 } 424 } 425 426 @Override 427 public void onReceive(Context context, Intent intent) { 428 final String action = intent.getAction(); 429 if (Intent.ACTION_SCREEN_ON.equals(action)) { 430 mScreenOn = true; 431 refreshImeWindowVisibilityLocked(); 432 updateActive(); 433 return; 434 } else if (Intent.ACTION_SCREEN_OFF.equals(action)) { 435 mScreenOn = false; 436 setImeWindowVisibilityStatusHiddenLocked(); 437 updateActive(); 438 return; 439 } else if (Intent.ACTION_CLOSE_SYSTEM_DIALOGS.equals(action)) { 440 hideInputMethodMenu(); 441 // No need to updateActive 442 return; 443 } else { 444 Slog.w(TAG, "Unexpected intent " + intent); 445 } 446 } 447 } 448 449 class MyPackageMonitor extends PackageMonitor { 450 private boolean isChangingPackagesOfCurrentUser() { 451 final int userId = getChangingUserId(); 452 final boolean retval = userId == mSettings.getCurrentUserId(); 453 if (DEBUG) { 454 if (!retval) { 455 Slog.d(TAG, "--- ignore this call back from a background user: " + userId); 456 } 457 } 458 return retval; 459 } 460 461 @Override 462 public boolean onHandleForceStop(Intent intent, String[] packages, int uid, boolean doit) { 463 if (!isChangingPackagesOfCurrentUser()) { 464 return false; 465 } 466 synchronized (mMethodMap) { 467 String curInputMethodId = mSettings.getSelectedInputMethod(); 468 final int N = mMethodList.size(); 469 if (curInputMethodId != null) { 470 for (int i=0; i<N; i++) { 471 InputMethodInfo imi = mMethodList.get(i); 472 if (imi.getId().equals(curInputMethodId)) { 473 for (String pkg : packages) { 474 if (imi.getPackageName().equals(pkg)) { 475 if (!doit) { 476 return true; 477 } 478 resetSelectedInputMethodAndSubtypeLocked(""); 479 chooseNewDefaultIMELocked(); 480 return true; 481 } 482 } 483 } 484 } 485 } 486 } 487 return false; 488 } 489 490 @Override 491 public void onSomePackagesChanged() { 492 if (!isChangingPackagesOfCurrentUser()) { 493 return; 494 } 495 synchronized (mMethodMap) { 496 InputMethodInfo curIm = null; 497 String curInputMethodId = mSettings.getSelectedInputMethod(); 498 final int N = mMethodList.size(); 499 if (curInputMethodId != null) { 500 for (int i=0; i<N; i++) { 501 InputMethodInfo imi = mMethodList.get(i); 502 final String imiId = imi.getId(); 503 if (imiId.equals(curInputMethodId)) { 504 curIm = imi; 505 } 506 507 int change = isPackageDisappearing(imi.getPackageName()); 508 if (isPackageModified(imi.getPackageName())) { 509 mFileManager.deleteAllInputMethodSubtypes(imiId); 510 } 511 if (change == PACKAGE_TEMPORARY_CHANGE 512 || change == PACKAGE_PERMANENT_CHANGE) { 513 Slog.i(TAG, "Input method uninstalled, disabling: " 514 + imi.getComponent()); 515 setInputMethodEnabledLocked(imi.getId(), false); 516 } 517 } 518 } 519 520 buildInputMethodListLocked( 521 mMethodList, mMethodMap, false /* resetDefaultEnabledIme */); 522 523 boolean changed = false; 524 525 if (curIm != null) { 526 int change = isPackageDisappearing(curIm.getPackageName()); 527 if (change == PACKAGE_TEMPORARY_CHANGE 528 || change == PACKAGE_PERMANENT_CHANGE) { 529 ServiceInfo si = null; 530 try { 531 si = mIPackageManager.getServiceInfo( 532 curIm.getComponent(), 0, mSettings.getCurrentUserId()); 533 } catch (RemoteException ex) { 534 } 535 if (si == null) { 536 // Uh oh, current input method is no longer around! 537 // Pick another one... 538 Slog.i(TAG, "Current input method removed: " + curInputMethodId); 539 setImeWindowVisibilityStatusHiddenLocked(); 540 if (!chooseNewDefaultIMELocked()) { 541 changed = true; 542 curIm = null; 543 Slog.i(TAG, "Unsetting current input method"); 544 resetSelectedInputMethodAndSubtypeLocked(""); 545 } 546 } 547 } 548 } 549 550 if (curIm == null) { 551 // We currently don't have a default input method... is 552 // one now available? 553 changed = chooseNewDefaultIMELocked(); 554 } 555 556 if (changed) { 557 updateFromSettingsLocked(false); 558 } 559 } 560 } 561 } 562 563 private static final class MethodCallback extends IInputSessionCallback.Stub { 564 private final InputMethodManagerService mParentIMMS; 565 private final IInputMethod mMethod; 566 private final InputChannel mChannel; 567 568 MethodCallback(InputMethodManagerService imms, IInputMethod method, 569 InputChannel channel) { 570 mParentIMMS = imms; 571 mMethod = method; 572 mChannel = channel; 573 } 574 575 @Override 576 public void sessionCreated(IInputMethodSession session) { 577 mParentIMMS.onSessionCreated(mMethod, session, mChannel); 578 } 579 } 580 581 private class HardKeyboardListener 582 implements WindowManagerService.OnHardKeyboardStatusChangeListener { 583 @Override 584 public void onHardKeyboardStatusChange(boolean available, boolean enabled) { 585 mHandler.sendMessage(mHandler.obtainMessage( 586 MSG_HARD_KEYBOARD_SWITCH_CHANGED, available ? 1 : 0, enabled ? 1 : 0)); 587 } 588 589 public void handleHardKeyboardStatusChange(boolean available, boolean enabled) { 590 if (DEBUG) { 591 Slog.w(TAG, "HardKeyboardStatusChanged: available = " + available + ", enabled = " 592 + enabled); 593 } 594 synchronized(mMethodMap) { 595 if (mSwitchingDialog != null && mSwitchingDialogTitleView != null 596 && mSwitchingDialog.isShowing()) { 597 mSwitchingDialogTitleView.findViewById( 598 com.android.internal.R.id.hard_keyboard_section).setVisibility( 599 available ? View.VISIBLE : View.GONE); 600 } 601 } 602 } 603 } 604 605 public InputMethodManagerService(Context context, WindowManagerService windowManager) { 606 mIPackageManager = AppGlobals.getPackageManager(); 607 mContext = context; 608 mRes = context.getResources(); 609 mHandler = new Handler(this); 610 mIWindowManager = IWindowManager.Stub.asInterface( 611 ServiceManager.getService(Context.WINDOW_SERVICE)); 612 mCaller = new HandlerCaller(context, null, new HandlerCaller.Callback() { 613 @Override 614 public void executeMessage(Message msg) { 615 handleMessage(msg); 616 } 617 }, true /*asyncHandler*/); 618 mWindowManagerService = windowManager; 619 mHardKeyboardListener = new HardKeyboardListener(); 620 mHasFeature = context.getPackageManager().hasSystemFeature( 621 PackageManager.FEATURE_INPUT_METHODS); 622 623 mImeSwitcherNotification = new Notification(); 624 mImeSwitcherNotification.icon = com.android.internal.R.drawable.ic_notification_ime_default; 625 mImeSwitcherNotification.when = 0; 626 mImeSwitcherNotification.flags = Notification.FLAG_ONGOING_EVENT; 627 mImeSwitcherNotification.tickerText = null; 628 mImeSwitcherNotification.defaults = 0; // please be quiet 629 mImeSwitcherNotification.sound = null; 630 mImeSwitcherNotification.vibrate = null; 631 632 // Tag this notification specially so SystemUI knows it's important 633 mImeSwitcherNotification.kind = new String[] { "android.system.imeswitcher" }; 634 635 Intent intent = new Intent(Settings.ACTION_SHOW_INPUT_METHOD_PICKER); 636 mImeSwitchPendingIntent = PendingIntent.getBroadcast(mContext, 0, intent, 0); 637 638 mShowOngoingImeSwitcherForPhones = false; 639 640 final IntentFilter broadcastFilter = new IntentFilter(); 641 broadcastFilter.addAction(Intent.ACTION_SCREEN_ON); 642 broadcastFilter.addAction(Intent.ACTION_SCREEN_OFF); 643 broadcastFilter.addAction(Intent.ACTION_CLOSE_SYSTEM_DIALOGS); 644 mContext.registerReceiver(new ImmsBroadcastReceiver(), broadcastFilter); 645 646 mNotificationShown = false; 647 int userId = 0; 648 try { 649 ActivityManagerNative.getDefault().registerUserSwitchObserver( 650 new IUserSwitchObserver.Stub() { 651 @Override 652 public void onUserSwitching(int newUserId, IRemoteCallback reply) { 653 synchronized(mMethodMap) { 654 switchUserLocked(newUserId); 655 } 656 if (reply != null) { 657 try { 658 reply.sendResult(null); 659 } catch (RemoteException e) { 660 } 661 } 662 } 663 664 @Override 665 public void onUserSwitchComplete(int newUserId) throws RemoteException { 666 } 667 }); 668 userId = ActivityManagerNative.getDefault().getCurrentUser().id; 669 } catch (RemoteException e) { 670 Slog.w(TAG, "Couldn't get current user ID; guessing it's 0", e); 671 } 672 mMyPackageMonitor.register(mContext, null, UserHandle.ALL, true); 673 674 // mSettings should be created before buildInputMethodListLocked 675 mSettings = new InputMethodSettings( 676 mRes, context.getContentResolver(), mMethodMap, mMethodList, userId); 677 mFileManager = new InputMethodFileManager(mMethodMap, userId); 678 mImListManager = new InputMethodAndSubtypeListManager(context, this); 679 680 // Just checking if defaultImiId is empty or not 681 final String defaultImiId = mSettings.getSelectedInputMethod(); 682 if (DEBUG) { 683 Slog.d(TAG, "Initial default ime = " + defaultImiId); 684 } 685 mImeSelectedOnBoot = !TextUtils.isEmpty(defaultImiId); 686 687 buildInputMethodListLocked(mMethodList, mMethodMap, 688 !mImeSelectedOnBoot /* resetDefaultEnabledIme */); 689 mSettings.enableAllIMEsIfThereIsNoEnabledIME(); 690 691 if (!mImeSelectedOnBoot) { 692 Slog.w(TAG, "No IME selected. Choose the most applicable IME."); 693 resetDefaultImeLocked(context); 694 } 695 696 mSettingsObserver = new SettingsObserver(mHandler); 697 updateFromSettingsLocked(true); 698 699 // IMMS wants to receive Intent.ACTION_LOCALE_CHANGED in order to update the current IME 700 // according to the new system locale. 701 final IntentFilter filter = new IntentFilter(); 702 filter.addAction(Intent.ACTION_LOCALE_CHANGED); 703 mContext.registerReceiver( 704 new BroadcastReceiver() { 705 @Override 706 public void onReceive(Context context, Intent intent) { 707 synchronized(mMethodMap) { 708 checkCurrentLocaleChangedLocked(); 709 } 710 } 711 }, filter); 712 } 713 714 private void resetDefaultImeLocked(Context context) { 715 // Do not reset the default (current) IME when it is a 3rd-party IME 716 if (mCurMethodId != null 717 && !InputMethodUtils.isSystemIme(mMethodMap.get(mCurMethodId))) { 718 return; 719 } 720 721 InputMethodInfo defIm = null; 722 for (InputMethodInfo imi : mMethodList) { 723 if (defIm == null) { 724 if (InputMethodUtils.isValidSystemDefaultIme( 725 mSystemReady, imi, context)) { 726 defIm = imi; 727 Slog.i(TAG, "Selected default: " + imi.getId()); 728 } 729 } 730 } 731 if (defIm == null && mMethodList.size() > 0) { 732 defIm = InputMethodUtils.getMostApplicableDefaultIME( 733 mSettings.getEnabledInputMethodListLocked()); 734 Slog.i(TAG, "No default found, using " + defIm.getId()); 735 } 736 if (defIm != null) { 737 setSelectedInputMethodAndSubtypeLocked(defIm, NOT_A_SUBTYPE_ID, false); 738 } 739 } 740 741 private void resetAllInternalStateLocked(final boolean updateOnlyWhenLocaleChanged, 742 final boolean resetDefaultEnabledIme) { 743 if (!mSystemReady) { 744 // not system ready 745 return; 746 } 747 final Locale newLocale = mRes.getConfiguration().locale; 748 if (!updateOnlyWhenLocaleChanged 749 || (newLocale != null && !newLocale.equals(mLastSystemLocale))) { 750 if (!updateOnlyWhenLocaleChanged) { 751 hideCurrentInputLocked(0, null); 752 mCurMethodId = null; 753 unbindCurrentMethodLocked(true, false); 754 } 755 if (DEBUG) { 756 Slog.i(TAG, "Locale has been changed to " + newLocale); 757 } 758 // InputMethodAndSubtypeListManager should be reset when the locale is changed. 759 mImListManager = new InputMethodAndSubtypeListManager(mContext, this); 760 buildInputMethodListLocked(mMethodList, mMethodMap, resetDefaultEnabledIme); 761 if (!updateOnlyWhenLocaleChanged) { 762 final String selectedImiId = mSettings.getSelectedInputMethod(); 763 if (TextUtils.isEmpty(selectedImiId)) { 764 // This is the first time of the user switch and 765 // set the current ime to the proper one. 766 resetDefaultImeLocked(mContext); 767 } 768 } else { 769 // If the locale is changed, needs to reset the default ime 770 resetDefaultImeLocked(mContext); 771 } 772 updateFromSettingsLocked(true); 773 mLastSystemLocale = newLocale; 774 if (!updateOnlyWhenLocaleChanged) { 775 try { 776 startInputInnerLocked(); 777 } catch (RuntimeException e) { 778 Slog.w(TAG, "Unexpected exception", e); 779 } 780 } 781 } 782 } 783 784 private void checkCurrentLocaleChangedLocked() { 785 resetAllInternalStateLocked(true /* updateOnlyWhenLocaleChanged */, 786 true /* resetDefaultImeLocked */); 787 } 788 789 private void switchUserLocked(int newUserId) { 790 mSettings.setCurrentUserId(newUserId); 791 // InputMethodFileManager should be reset when the user is changed 792 mFileManager = new InputMethodFileManager(mMethodMap, newUserId); 793 final String defaultImiId = mSettings.getSelectedInputMethod(); 794 final boolean needsToResetDefaultIme = TextUtils.isEmpty(defaultImiId); 795 if (DEBUG) { 796 Slog.d(TAG, "Switch user: " + newUserId + " current ime = " + defaultImiId); 797 } 798 resetAllInternalStateLocked(false /* updateOnlyWhenLocaleChanged */, 799 needsToResetDefaultIme); 800 } 801 802 @Override 803 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 804 throws RemoteException { 805 try { 806 return super.onTransact(code, data, reply, flags); 807 } catch (RuntimeException e) { 808 // The input method manager only throws security exceptions, so let's 809 // log all others. 810 if (!(e instanceof SecurityException)) { 811 Slog.e(TAG, "Input Method Manager Crash", e); 812 } 813 throw e; 814 } 815 } 816 817 public void systemReady(StatusBarManagerService statusBar) { 818 synchronized (mMethodMap) { 819 if (DEBUG) { 820 Slog.d(TAG, "--- systemReady"); 821 } 822 if (!mSystemReady) { 823 mSystemReady = true; 824 mKeyguardManager = 825 (KeyguardManager) mContext.getSystemService(Context.KEYGUARD_SERVICE); 826 mNotificationManager = (NotificationManager) 827 mContext.getSystemService(Context.NOTIFICATION_SERVICE); 828 mStatusBar = statusBar; 829 statusBar.setIconVisibility("ime", false); 830 updateImeWindowStatusLocked(); 831 mShowOngoingImeSwitcherForPhones = mRes.getBoolean( 832 com.android.internal.R.bool.show_ongoing_ime_switcher); 833 if (mShowOngoingImeSwitcherForPhones) { 834 mWindowManagerService.setOnHardKeyboardStatusChangeListener( 835 mHardKeyboardListener); 836 } 837 buildInputMethodListLocked(mMethodList, mMethodMap, 838 !mImeSelectedOnBoot /* resetDefaultEnabledIme */); 839 if (!mImeSelectedOnBoot) { 840 Slog.w(TAG, "Reset the default IME as \"Resource\" is ready here."); 841 checkCurrentLocaleChangedLocked(); 842 } 843 mLastSystemLocale = mRes.getConfiguration().locale; 844 try { 845 startInputInnerLocked(); 846 } catch (RuntimeException e) { 847 Slog.w(TAG, "Unexpected exception", e); 848 } 849 } 850 } 851 } 852 853 private void setImeWindowVisibilityStatusHiddenLocked() { 854 mImeWindowVis = 0; 855 updateImeWindowStatusLocked(); 856 } 857 858 private void refreshImeWindowVisibilityLocked() { 859 final Configuration conf = mRes.getConfiguration(); 860 final boolean haveHardKeyboard = conf.keyboard 861 != Configuration.KEYBOARD_NOKEYS; 862 final boolean hardKeyShown = haveHardKeyboard 863 && conf.hardKeyboardHidden 864 != Configuration.HARDKEYBOARDHIDDEN_YES; 865 final boolean isScreenLocked = 866 mKeyguardManager != null && mKeyguardManager.isKeyguardLocked(); 867 final boolean isScreenSecurelyLocked = 868 isScreenLocked && mKeyguardManager.isKeyguardSecure(); 869 final boolean inputShown = mInputShown && (!isScreenLocked || mInputBoundToKeyguard); 870 mImeWindowVis = (!isScreenSecurelyLocked && (inputShown || hardKeyShown)) ? 871 (InputMethodService.IME_ACTIVE | InputMethodService.IME_VISIBLE) : 0; 872 updateImeWindowStatusLocked(); 873 } 874 875 private void updateImeWindowStatusLocked() { 876 setImeWindowStatus(mCurToken, mImeWindowVis, mBackDisposition); 877 } 878 879 // --------------------------------------------------------------------------------------- 880 // Check whether or not this is a valid IPC. Assumes an IPC is valid when either 881 // 1) it comes from the system process 882 // 2) the calling process' user id is identical to the current user id IMMS thinks. 883 private boolean calledFromValidUser() { 884 final int uid = Binder.getCallingUid(); 885 final int userId = UserHandle.getUserId(uid); 886 if (DEBUG) { 887 Slog.d(TAG, "--- calledFromForegroundUserOrSystemProcess ? " 888 + "calling uid = " + uid + " system uid = " + Process.SYSTEM_UID 889 + " calling userId = " + userId + ", foreground user id = " 890 + mSettings.getCurrentUserId() + ", calling pid = " + Binder.getCallingPid()); 891 } 892 if (uid == Process.SYSTEM_UID || userId == mSettings.getCurrentUserId()) { 893 return true; 894 } 895 896 // Caveat: A process which has INTERACT_ACROSS_USERS_FULL gets results for the 897 // foreground user, not for the user of that process. Accordingly InputMethodManagerService 898 // must not manage background users' states in any functions. 899 // Note that privacy-sensitive IPCs, such as setInputMethod, are still securely guarded 900 // by a token. 901 if (mContext.checkCallingOrSelfPermission( 902 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL) 903 == PackageManager.PERMISSION_GRANTED) { 904 if (DEBUG) { 905 Slog.d(TAG, "--- Access granted because the calling process has " 906 + "the INTERACT_ACROSS_USERS_FULL permission"); 907 } 908 return true; 909 } 910 Slog.w(TAG, "--- IPC called from background users. Ignore. \n" + getStackTrace()); 911 return false; 912 } 913 914 private boolean bindCurrentInputMethodService( 915 Intent service, ServiceConnection conn, int flags) { 916 if (service == null || conn == null) { 917 Slog.e(TAG, "--- bind failed: service = " + service + ", conn = " + conn); 918 return false; 919 } 920 return mContext.bindServiceAsUser(service, conn, flags, 921 new UserHandle(mSettings.getCurrentUserId())); 922 } 923 924 @Override 925 public List<InputMethodInfo> getInputMethodList() { 926 // TODO: Make this work even for non-current users? 927 if (!calledFromValidUser()) { 928 return Collections.emptyList(); 929 } 930 synchronized (mMethodMap) { 931 return new ArrayList<InputMethodInfo>(mMethodList); 932 } 933 } 934 935 @Override 936 public List<InputMethodInfo> getEnabledInputMethodList() { 937 // TODO: Make this work even for non-current users? 938 if (!calledFromValidUser()) { 939 return Collections.emptyList(); 940 } 941 synchronized (mMethodMap) { 942 return mSettings.getEnabledInputMethodListLocked(); 943 } 944 } 945 946 private HashMap<InputMethodInfo, List<InputMethodSubtype>> 947 getExplicitlyOrImplicitlyEnabledInputMethodsAndSubtypeListLocked() { 948 HashMap<InputMethodInfo, List<InputMethodSubtype>> enabledInputMethodAndSubtypes = 949 new HashMap<InputMethodInfo, List<InputMethodSubtype>>(); 950 for (InputMethodInfo imi: mSettings.getEnabledInputMethodListLocked()) { 951 enabledInputMethodAndSubtypes.put( 952 imi, mSettings.getEnabledInputMethodSubtypeListLocked(mContext, imi, true)); 953 } 954 return enabledInputMethodAndSubtypes; 955 } 956 957 /** 958 * @param imi if null, returns enabled subtypes for the current imi 959 * @return enabled subtypes of the specified imi 960 */ 961 @Override 962 public List<InputMethodSubtype> getEnabledInputMethodSubtypeList(InputMethodInfo imi, 963 boolean allowsImplicitlySelectedSubtypes) { 964 // TODO: Make this work even for non-current users? 965 if (!calledFromValidUser()) { 966 return Collections.emptyList(); 967 } 968 synchronized (mMethodMap) { 969 if (imi == null && mCurMethodId != null) { 970 imi = mMethodMap.get(mCurMethodId); 971 } 972 return mSettings.getEnabledInputMethodSubtypeListLocked( 973 mContext, imi, allowsImplicitlySelectedSubtypes); 974 } 975 } 976 977 @Override 978 public void addClient(IInputMethodClient client, 979 IInputContext inputContext, int uid, int pid) { 980 if (!calledFromValidUser()) { 981 return; 982 } 983 synchronized (mMethodMap) { 984 mClients.put(client.asBinder(), new ClientState(client, 985 inputContext, uid, pid)); 986 } 987 } 988 989 @Override 990 public void removeClient(IInputMethodClient client) { 991 if (!calledFromValidUser()) { 992 return; 993 } 994 synchronized (mMethodMap) { 995 ClientState cs = mClients.remove(client.asBinder()); 996 if (cs != null) { 997 clearClientSessionLocked(cs); 998 } 999 } 1000 } 1001 1002 void executeOrSendMessage(IInterface target, Message msg) { 1003 if (target.asBinder() instanceof Binder) { 1004 mCaller.sendMessage(msg); 1005 } else { 1006 handleMessage(msg); 1007 msg.recycle(); 1008 } 1009 } 1010 1011 void unbindCurrentClientLocked() { 1012 if (mCurClient != null) { 1013 if (DEBUG) Slog.v(TAG, "unbindCurrentInputLocked: client = " 1014 + mCurClient.client.asBinder()); 1015 if (mBoundToMethod) { 1016 mBoundToMethod = false; 1017 if (mCurMethod != null) { 1018 executeOrSendMessage(mCurMethod, mCaller.obtainMessageO( 1019 MSG_UNBIND_INPUT, mCurMethod)); 1020 } 1021 } 1022 1023 executeOrSendMessage(mCurClient.client, mCaller.obtainMessageIO( 1024 MSG_SET_ACTIVE, 0, mCurClient)); 1025 executeOrSendMessage(mCurClient.client, mCaller.obtainMessageIO( 1026 MSG_UNBIND_METHOD, mCurSeq, mCurClient.client)); 1027 mCurClient.sessionRequested = false; 1028 mCurClient = null; 1029 1030 hideInputMethodMenuLocked(); 1031 } 1032 } 1033 1034 private int getImeShowFlags() { 1035 int flags = 0; 1036 if (mShowForced) { 1037 flags |= InputMethod.SHOW_FORCED 1038 | InputMethod.SHOW_EXPLICIT; 1039 } else if (mShowExplicitlyRequested) { 1040 flags |= InputMethod.SHOW_EXPLICIT; 1041 } 1042 return flags; 1043 } 1044 1045 private int getAppShowFlags() { 1046 int flags = 0; 1047 if (mShowForced) { 1048 flags |= InputMethodManager.SHOW_FORCED; 1049 } else if (!mShowExplicitlyRequested) { 1050 flags |= InputMethodManager.SHOW_IMPLICIT; 1051 } 1052 return flags; 1053 } 1054 1055 InputBindResult attachNewInputLocked(boolean initial) { 1056 if (!mBoundToMethod) { 1057 executeOrSendMessage(mCurMethod, mCaller.obtainMessageOO( 1058 MSG_BIND_INPUT, mCurMethod, mCurClient.binding)); 1059 mBoundToMethod = true; 1060 } 1061 final SessionState session = mCurClient.curSession; 1062 if (initial) { 1063 executeOrSendMessage(session.method, mCaller.obtainMessageOOO( 1064 MSG_START_INPUT, session, mCurInputContext, mCurAttribute)); 1065 } else { 1066 executeOrSendMessage(session.method, mCaller.obtainMessageOOO( 1067 MSG_RESTART_INPUT, session, mCurInputContext, mCurAttribute)); 1068 } 1069 if (mShowRequested) { 1070 if (DEBUG) Slog.v(TAG, "Attach new input asks to show input"); 1071 showCurrentInputLocked(getAppShowFlags(), null); 1072 } 1073 return new InputBindResult(session.session, session.channel, mCurId, mCurSeq); 1074 } 1075 1076 InputBindResult startInputLocked(IInputMethodClient client, 1077 IInputContext inputContext, EditorInfo attribute, int controlFlags) { 1078 // If no method is currently selected, do nothing. 1079 if (mCurMethodId == null) { 1080 return mNoBinding; 1081 } 1082 1083 ClientState cs = mClients.get(client.asBinder()); 1084 if (cs == null) { 1085 throw new IllegalArgumentException("unknown client " 1086 + client.asBinder()); 1087 } 1088 1089 try { 1090 if (!mIWindowManager.inputMethodClientHasFocus(cs.client)) { 1091 // Check with the window manager to make sure this client actually 1092 // has a window with focus. If not, reject. This is thread safe 1093 // because if the focus changes some time before or after, the 1094 // next client receiving focus that has any interest in input will 1095 // be calling through here after that change happens. 1096 Slog.w(TAG, "Starting input on non-focused client " + cs.client 1097 + " (uid=" + cs.uid + " pid=" + cs.pid + ")"); 1098 return null; 1099 } 1100 } catch (RemoteException e) { 1101 } 1102 1103 return startInputUncheckedLocked(cs, inputContext, attribute, controlFlags); 1104 } 1105 1106 InputBindResult startInputUncheckedLocked(ClientState cs, 1107 IInputContext inputContext, EditorInfo attribute, int controlFlags) { 1108 // If no method is currently selected, do nothing. 1109 if (mCurMethodId == null) { 1110 return mNoBinding; 1111 } 1112 1113 if (mCurClient == null) { 1114 mInputBoundToKeyguard = mKeyguardManager != null && mKeyguardManager.isKeyguardLocked(); 1115 if (DEBUG) { 1116 Slog.v(TAG, "New bind. keyguard = " + mInputBoundToKeyguard); 1117 } 1118 } 1119 1120 if (mCurClient != cs) { 1121 // If the client is changing, we need to switch over to the new 1122 // one. 1123 unbindCurrentClientLocked(); 1124 if (DEBUG) Slog.v(TAG, "switching to client: client = " 1125 + cs.client.asBinder()); 1126 1127 // If the screen is on, inform the new client it is active 1128 if (mScreenOn) { 1129 executeOrSendMessage(cs.client, mCaller.obtainMessageIO( 1130 MSG_SET_ACTIVE, mScreenOn ? 1 : 0, cs)); 1131 } 1132 } 1133 1134 // Bump up the sequence for this client and attach it. 1135 mCurSeq++; 1136 if (mCurSeq <= 0) mCurSeq = 1; 1137 mCurClient = cs; 1138 mCurInputContext = inputContext; 1139 mCurAttribute = attribute; 1140 1141 // Check if the input method is changing. 1142 if (mCurId != null && mCurId.equals(mCurMethodId)) { 1143 if (cs.curSession != null) { 1144 // Fast case: if we are already connected to the input method, 1145 // then just return it. 1146 return attachNewInputLocked( 1147 (controlFlags&InputMethodManager.CONTROL_START_INITIAL) != 0); 1148 } 1149 if (mHaveConnection) { 1150 if (mCurMethod != null) { 1151 // Return to client, and we will get back with it when 1152 // we have had a session made for it. 1153 requestClientSessionLocked(cs); 1154 return new InputBindResult(null, null, mCurId, mCurSeq); 1155 } else if (SystemClock.uptimeMillis() 1156 < (mLastBindTime+TIME_TO_RECONNECT)) { 1157 // In this case we have connected to the service, but 1158 // don't yet have its interface. If it hasn't been too 1159 // long since we did the connection, we'll return to 1160 // the client and wait to get the service interface so 1161 // we can report back. If it has been too long, we want 1162 // to fall through so we can try a disconnect/reconnect 1163 // to see if we can get back in touch with the service. 1164 return new InputBindResult(null, null, mCurId, mCurSeq); 1165 } else { 1166 EventLog.writeEvent(EventLogTags.IMF_FORCE_RECONNECT_IME, 1167 mCurMethodId, SystemClock.uptimeMillis()-mLastBindTime, 0); 1168 } 1169 } 1170 } 1171 1172 return startInputInnerLocked(); 1173 } 1174 1175 InputBindResult startInputInnerLocked() { 1176 if (mCurMethodId == null) { 1177 return mNoBinding; 1178 } 1179 1180 if (!mSystemReady) { 1181 // If the system is not yet ready, we shouldn't be running third 1182 // party code. 1183 return new InputBindResult(null, null, mCurMethodId, mCurSeq); 1184 } 1185 1186 InputMethodInfo info = mMethodMap.get(mCurMethodId); 1187 if (info == null) { 1188 throw new IllegalArgumentException("Unknown id: " + mCurMethodId); 1189 } 1190 1191 unbindCurrentMethodLocked(false, true); 1192 1193 mCurIntent = new Intent(InputMethod.SERVICE_INTERFACE); 1194 mCurIntent.setComponent(info.getComponent()); 1195 mCurIntent.putExtra(Intent.EXTRA_CLIENT_LABEL, 1196 com.android.internal.R.string.input_method_binding_label); 1197 mCurIntent.putExtra(Intent.EXTRA_CLIENT_INTENT, PendingIntent.getActivity( 1198 mContext, 0, new Intent(Settings.ACTION_INPUT_METHOD_SETTINGS), 0)); 1199 if (bindCurrentInputMethodService(mCurIntent, this, Context.BIND_AUTO_CREATE 1200 | Context.BIND_NOT_VISIBLE)) { 1201 mLastBindTime = SystemClock.uptimeMillis(); 1202 mHaveConnection = true; 1203 mCurId = info.getId(); 1204 mCurToken = new Binder(); 1205 try { 1206 if (true || DEBUG) Slog.v(TAG, "Adding window token: " + mCurToken); 1207 mIWindowManager.addWindowToken(mCurToken, 1208 WindowManager.LayoutParams.TYPE_INPUT_METHOD); 1209 } catch (RemoteException e) { 1210 } 1211 return new InputBindResult(null, null, mCurId, mCurSeq); 1212 } else { 1213 mCurIntent = null; 1214 Slog.w(TAG, "Failure connecting to input method service: " 1215 + mCurIntent); 1216 } 1217 return null; 1218 } 1219 1220 @Override 1221 public InputBindResult startInput(IInputMethodClient client, 1222 IInputContext inputContext, EditorInfo attribute, int controlFlags) { 1223 if (!calledFromValidUser()) { 1224 return null; 1225 } 1226 synchronized (mMethodMap) { 1227 final long ident = Binder.clearCallingIdentity(); 1228 try { 1229 return startInputLocked(client, inputContext, attribute, controlFlags); 1230 } finally { 1231 Binder.restoreCallingIdentity(ident); 1232 } 1233 } 1234 } 1235 1236 @Override 1237 public void finishInput(IInputMethodClient client) { 1238 } 1239 1240 @Override 1241 public void onServiceConnected(ComponentName name, IBinder service) { 1242 synchronized (mMethodMap) { 1243 if (mCurIntent != null && name.equals(mCurIntent.getComponent())) { 1244 mCurMethod = IInputMethod.Stub.asInterface(service); 1245 if (mCurToken == null) { 1246 Slog.w(TAG, "Service connected without a token!"); 1247 unbindCurrentMethodLocked(false, false); 1248 return; 1249 } 1250 if (DEBUG) Slog.v(TAG, "Initiating attach with token: " + mCurToken); 1251 executeOrSendMessage(mCurMethod, mCaller.obtainMessageOO( 1252 MSG_ATTACH_TOKEN, mCurMethod, mCurToken)); 1253 if (mCurClient != null) { 1254 clearClientSessionLocked(mCurClient); 1255 requestClientSessionLocked(mCurClient); 1256 } 1257 } 1258 } 1259 } 1260 1261 void onSessionCreated(IInputMethod method, IInputMethodSession session, 1262 InputChannel channel) { 1263 synchronized (mMethodMap) { 1264 if (mCurMethod != null && method != null 1265 && mCurMethod.asBinder() == method.asBinder()) { 1266 if (mCurClient != null) { 1267 clearClientSessionLocked(mCurClient); 1268 mCurClient.curSession = new SessionState(mCurClient, 1269 method, session, channel); 1270 InputBindResult res = attachNewInputLocked(true); 1271 if (res.method != null) { 1272 executeOrSendMessage(mCurClient.client, mCaller.obtainMessageOO( 1273 MSG_BIND_METHOD, mCurClient.client, res)); 1274 } 1275 return; 1276 } 1277 } 1278 } 1279 1280 // Session abandoned. Close its associated input channel. 1281 channel.dispose(); 1282 } 1283 1284 void unbindCurrentMethodLocked(boolean reportToClient, boolean savePosition) { 1285 if (mVisibleBound) { 1286 mContext.unbindService(mVisibleConnection); 1287 mVisibleBound = false; 1288 } 1289 1290 if (mHaveConnection) { 1291 mContext.unbindService(this); 1292 mHaveConnection = false; 1293 } 1294 1295 if (mCurToken != null) { 1296 try { 1297 if (DEBUG) Slog.v(TAG, "Removing window token: " + mCurToken); 1298 if ((mImeWindowVis & InputMethodService.IME_ACTIVE) != 0 && savePosition) { 1299 // The current IME is shown. Hence an IME switch (transition) is happening. 1300 mWindowManagerService.saveLastInputMethodWindowForTransition(); 1301 } 1302 mIWindowManager.removeWindowToken(mCurToken); 1303 } catch (RemoteException e) { 1304 } 1305 mCurToken = null; 1306 } 1307 1308 mCurId = null; 1309 clearCurMethodLocked(); 1310 1311 if (reportToClient && mCurClient != null) { 1312 executeOrSendMessage(mCurClient.client, mCaller.obtainMessageIO( 1313 MSG_UNBIND_METHOD, mCurSeq, mCurClient.client)); 1314 } 1315 } 1316 1317 void requestClientSessionLocked(ClientState cs) { 1318 if (!cs.sessionRequested) { 1319 if (DEBUG) Slog.v(TAG, "Creating new session for client " + cs); 1320 InputChannel[] channels = InputChannel.openInputChannelPair(cs.toString()); 1321 cs.sessionRequested = true; 1322 executeOrSendMessage(mCurMethod, mCaller.obtainMessageOOO( 1323 MSG_CREATE_SESSION, mCurMethod, channels[1], 1324 new MethodCallback(this, mCurMethod, channels[0]))); 1325 } 1326 } 1327 1328 void clearClientSessionLocked(ClientState cs) { 1329 finishSessionLocked(cs.curSession); 1330 cs.curSession = null; 1331 cs.sessionRequested = false; 1332 } 1333 1334 private void finishSessionLocked(SessionState sessionState) { 1335 if (sessionState != null) { 1336 if (sessionState.session != null) { 1337 try { 1338 sessionState.session.finishSession(); 1339 } catch (RemoteException e) { 1340 Slog.w(TAG, "Session failed to close due to remote exception", e); 1341 setImeWindowVisibilityStatusHiddenLocked(); 1342 } 1343 sessionState.session = null; 1344 } 1345 if (sessionState.channel != null) { 1346 sessionState.channel.dispose(); 1347 sessionState.channel = null; 1348 } 1349 } 1350 } 1351 1352 void clearCurMethodLocked() { 1353 if (mCurMethod != null) { 1354 for (ClientState cs : mClients.values()) { 1355 clearClientSessionLocked(cs); 1356 } 1357 1358 finishSessionLocked(mEnabledSession); 1359 mEnabledSession = null; 1360 mCurMethod = null; 1361 } 1362 if (mStatusBar != null) { 1363 mStatusBar.setIconVisibility("ime", false); 1364 } 1365 } 1366 1367 @Override 1368 public void onServiceDisconnected(ComponentName name) { 1369 synchronized (mMethodMap) { 1370 if (DEBUG) Slog.v(TAG, "Service disconnected: " + name 1371 + " mCurIntent=" + mCurIntent); 1372 if (mCurMethod != null && mCurIntent != null 1373 && name.equals(mCurIntent.getComponent())) { 1374 clearCurMethodLocked(); 1375 // We consider this to be a new bind attempt, since the system 1376 // should now try to restart the service for us. 1377 mLastBindTime = SystemClock.uptimeMillis(); 1378 mShowRequested = mInputShown; 1379 mInputShown = false; 1380 if (mCurClient != null) { 1381 executeOrSendMessage(mCurClient.client, mCaller.obtainMessageIO( 1382 MSG_UNBIND_METHOD, mCurSeq, mCurClient.client)); 1383 } 1384 } 1385 } 1386 } 1387 1388 @Override 1389 public void updateStatusIcon(IBinder token, String packageName, int iconId) { 1390 int uid = Binder.getCallingUid(); 1391 long ident = Binder.clearCallingIdentity(); 1392 try { 1393 if (token == null || mCurToken != token) { 1394 Slog.w(TAG, "Ignoring setInputMethod of uid " + uid + " token: " + token); 1395 return; 1396 } 1397 1398 synchronized (mMethodMap) { 1399 if (iconId == 0) { 1400 if (DEBUG) Slog.d(TAG, "hide the small icon for the input method"); 1401 if (mStatusBar != null) { 1402 mStatusBar.setIconVisibility("ime", false); 1403 } 1404 } else if (packageName != null) { 1405 if (DEBUG) Slog.d(TAG, "show a small icon for the input method"); 1406 CharSequence contentDescription = null; 1407 try { 1408 // Use PackageManager to load label 1409 final PackageManager packageManager = mContext.getPackageManager(); 1410 contentDescription = packageManager.getApplicationLabel( 1411 mIPackageManager.getApplicationInfo(packageName, 0, 1412 mSettings.getCurrentUserId())); 1413 } catch (RemoteException e) { 1414 /* ignore */ 1415 } 1416 if (mStatusBar != null) { 1417 mStatusBar.setIcon("ime", packageName, iconId, 0, 1418 contentDescription != null 1419 ? contentDescription.toString() : null); 1420 mStatusBar.setIconVisibility("ime", true); 1421 } 1422 } 1423 } 1424 } finally { 1425 Binder.restoreCallingIdentity(ident); 1426 } 1427 } 1428 1429 private boolean needsToShowImeSwitchOngoingNotification() { 1430 if (!mShowOngoingImeSwitcherForPhones) return false; 1431 if (isScreenLocked()) return false; 1432 synchronized (mMethodMap) { 1433 List<InputMethodInfo> imis = mSettings.getEnabledInputMethodListLocked(); 1434 final int N = imis.size(); 1435 if (N > 2) return true; 1436 if (N < 1) return false; 1437 int nonAuxCount = 0; 1438 int auxCount = 0; 1439 InputMethodSubtype nonAuxSubtype = null; 1440 InputMethodSubtype auxSubtype = null; 1441 for(int i = 0; i < N; ++i) { 1442 final InputMethodInfo imi = imis.get(i); 1443 final List<InputMethodSubtype> subtypes = 1444 mSettings.getEnabledInputMethodSubtypeListLocked(mContext, imi, true); 1445 final int subtypeCount = subtypes.size(); 1446 if (subtypeCount == 0) { 1447 ++nonAuxCount; 1448 } else { 1449 for (int j = 0; j < subtypeCount; ++j) { 1450 final InputMethodSubtype subtype = subtypes.get(j); 1451 if (!subtype.isAuxiliary()) { 1452 ++nonAuxCount; 1453 nonAuxSubtype = subtype; 1454 } else { 1455 ++auxCount; 1456 auxSubtype = subtype; 1457 } 1458 } 1459 } 1460 } 1461 if (nonAuxCount > 1 || auxCount > 1) { 1462 return true; 1463 } else if (nonAuxCount == 1 && auxCount == 1) { 1464 if (nonAuxSubtype != null && auxSubtype != null 1465 && (nonAuxSubtype.getLocale().equals(auxSubtype.getLocale()) 1466 || auxSubtype.overridesImplicitlyEnabledSubtype() 1467 || nonAuxSubtype.overridesImplicitlyEnabledSubtype()) 1468 && nonAuxSubtype.containsExtraValueKey(TAG_TRY_SUPPRESSING_IME_SWITCHER)) { 1469 return false; 1470 } 1471 return true; 1472 } 1473 return false; 1474 } 1475 } 1476 1477 // Caution! This method is called in this class. Handle multi-user carefully 1478 @SuppressWarnings("deprecation") 1479 @Override 1480 public void setImeWindowStatus(IBinder token, int vis, int backDisposition) { 1481 final long ident = Binder.clearCallingIdentity(); 1482 try { 1483 if (token == null || mCurToken != token) { 1484 int uid = Binder.getCallingUid(); 1485 Slog.w(TAG, "Ignoring setImeWindowStatus of uid " + uid + " token: " + token); 1486 return; 1487 } 1488 1489 synchronized (mMethodMap) { 1490 mImeWindowVis = vis; 1491 mBackDisposition = backDisposition; 1492 if (mStatusBar != null) { 1493 mStatusBar.setImeWindowStatus(token, vis, backDisposition); 1494 } 1495 final boolean iconVisibility = (vis & InputMethodService.IME_ACTIVE) != 0; 1496 final InputMethodInfo imi = mMethodMap.get(mCurMethodId); 1497 if (imi != null && iconVisibility && needsToShowImeSwitchOngoingNotification()) { 1498 // Used to load label 1499 final PackageManager pm = mContext.getPackageManager(); 1500 final CharSequence title = mRes.getText( 1501 com.android.internal.R.string.select_input_method); 1502 final CharSequence imiLabel = imi.loadLabel(pm); 1503 final CharSequence summary = mCurrentSubtype != null 1504 ? TextUtils.concat(mCurrentSubtype.getDisplayName(mContext, 1505 imi.getPackageName(), imi.getServiceInfo().applicationInfo), 1506 (TextUtils.isEmpty(imiLabel) ? 1507 "" : " - " + imiLabel)) 1508 : imiLabel; 1509 1510 mImeSwitcherNotification.setLatestEventInfo( 1511 mContext, title, summary, mImeSwitchPendingIntent); 1512 if (mNotificationManager != null) { 1513 if (DEBUG) { 1514 Slog.d(TAG, "--- show notification: label = " + imiLabel 1515 + ", summary = " + summary); 1516 } 1517 mNotificationManager.notifyAsUser(null, 1518 com.android.internal.R.string.select_input_method, 1519 mImeSwitcherNotification, UserHandle.ALL); 1520 mNotificationShown = true; 1521 } 1522 } else { 1523 if (mNotificationShown && mNotificationManager != null) { 1524 if (DEBUG) { 1525 Slog.d(TAG, "--- hide notification"); 1526 } 1527 mNotificationManager.cancelAsUser(null, 1528 com.android.internal.R.string.select_input_method, UserHandle.ALL); 1529 mNotificationShown = false; 1530 } 1531 } 1532 } 1533 } finally { 1534 Binder.restoreCallingIdentity(ident); 1535 } 1536 } 1537 1538 @Override 1539 public void registerSuggestionSpansForNotification(SuggestionSpan[] spans) { 1540 if (!calledFromValidUser()) { 1541 return; 1542 } 1543 synchronized (mMethodMap) { 1544 final InputMethodInfo currentImi = mMethodMap.get(mCurMethodId); 1545 for (int i = 0; i < spans.length; ++i) { 1546 SuggestionSpan ss = spans[i]; 1547 if (!TextUtils.isEmpty(ss.getNotificationTargetClassName())) { 1548 mSecureSuggestionSpans.put(ss, currentImi); 1549 } 1550 } 1551 } 1552 } 1553 1554 @Override 1555 public boolean notifySuggestionPicked(SuggestionSpan span, String originalString, int index) { 1556 if (!calledFromValidUser()) { 1557 return false; 1558 } 1559 synchronized (mMethodMap) { 1560 final InputMethodInfo targetImi = mSecureSuggestionSpans.get(span); 1561 // TODO: Do not send the intent if the process of the targetImi is already dead. 1562 if (targetImi != null) { 1563 final String[] suggestions = span.getSuggestions(); 1564 if (index < 0 || index >= suggestions.length) return false; 1565 final String className = span.getNotificationTargetClassName(); 1566 final Intent intent = new Intent(); 1567 // Ensures that only a class in the original IME package will receive the 1568 // notification. 1569 intent.setClassName(targetImi.getPackageName(), className); 1570 intent.setAction(SuggestionSpan.ACTION_SUGGESTION_PICKED); 1571 intent.putExtra(SuggestionSpan.SUGGESTION_SPAN_PICKED_BEFORE, originalString); 1572 intent.putExtra(SuggestionSpan.SUGGESTION_SPAN_PICKED_AFTER, suggestions[index]); 1573 intent.putExtra(SuggestionSpan.SUGGESTION_SPAN_PICKED_HASHCODE, span.hashCode()); 1574 final long ident = Binder.clearCallingIdentity(); 1575 try { 1576 mContext.sendBroadcastAsUser(intent, UserHandle.CURRENT); 1577 } finally { 1578 Binder.restoreCallingIdentity(ident); 1579 } 1580 return true; 1581 } 1582 } 1583 return false; 1584 } 1585 1586 void updateFromSettingsLocked(boolean enabledMayChange) { 1587 if (enabledMayChange) { 1588 List<InputMethodInfo> enabled = mSettings.getEnabledInputMethodListLocked(); 1589 for (int i=0; i<enabled.size(); i++) { 1590 // We allow the user to select "disabled until used" apps, so if they 1591 // are enabling one of those here we now need to make it enabled. 1592 InputMethodInfo imm = enabled.get(i); 1593 try { 1594 ApplicationInfo ai = mIPackageManager.getApplicationInfo(imm.getPackageName(), 1595 PackageManager.GET_DISABLED_UNTIL_USED_COMPONENTS, 1596 mSettings.getCurrentUserId()); 1597 if (ai.enabledSetting 1598 == PackageManager.COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED) { 1599 mIPackageManager.setApplicationEnabledSetting(imm.getPackageName(), 1600 PackageManager.COMPONENT_ENABLED_STATE_DEFAULT, 1601 PackageManager.DONT_KILL_APP, mSettings.getCurrentUserId()); 1602 } 1603 } catch (RemoteException e) { 1604 } 1605 } 1606 } 1607 // We are assuming that whoever is changing DEFAULT_INPUT_METHOD and 1608 // ENABLED_INPUT_METHODS is taking care of keeping them correctly in 1609 // sync, so we will never have a DEFAULT_INPUT_METHOD that is not 1610 // enabled. 1611 String id = mSettings.getSelectedInputMethod(); 1612 // There is no input method selected, try to choose new applicable input method. 1613 if (TextUtils.isEmpty(id) && chooseNewDefaultIMELocked()) { 1614 id = mSettings.getSelectedInputMethod(); 1615 } 1616 if (!TextUtils.isEmpty(id)) { 1617 try { 1618 setInputMethodLocked(id, mSettings.getSelectedInputMethodSubtypeId(id)); 1619 } catch (IllegalArgumentException e) { 1620 Slog.w(TAG, "Unknown input method from prefs: " + id, e); 1621 mCurMethodId = null; 1622 unbindCurrentMethodLocked(true, false); 1623 } 1624 mShortcutInputMethodsAndSubtypes.clear(); 1625 } else { 1626 // There is no longer an input method set, so stop any current one. 1627 mCurMethodId = null; 1628 unbindCurrentMethodLocked(true, false); 1629 } 1630 } 1631 1632 /* package */ void setInputMethodLocked(String id, int subtypeId) { 1633 InputMethodInfo info = mMethodMap.get(id); 1634 if (info == null) { 1635 throw new IllegalArgumentException("Unknown id: " + id); 1636 } 1637 1638 // See if we need to notify a subtype change within the same IME. 1639 if (id.equals(mCurMethodId)) { 1640 final int subtypeCount = info.getSubtypeCount(); 1641 if (subtypeCount <= 0) { 1642 return; 1643 } 1644 final InputMethodSubtype oldSubtype = mCurrentSubtype; 1645 final InputMethodSubtype newSubtype; 1646 if (subtypeId >= 0 && subtypeId < subtypeCount) { 1647 newSubtype = info.getSubtypeAt(subtypeId); 1648 } else { 1649 // If subtype is null, try to find the most applicable one from 1650 // getCurrentInputMethodSubtype. 1651 newSubtype = getCurrentInputMethodSubtypeLocked(); 1652 } 1653 if (newSubtype == null || oldSubtype == null) { 1654 Slog.w(TAG, "Illegal subtype state: old subtype = " + oldSubtype 1655 + ", new subtype = " + newSubtype); 1656 return; 1657 } 1658 if (newSubtype != oldSubtype) { 1659 setSelectedInputMethodAndSubtypeLocked(info, subtypeId, true); 1660 if (mCurMethod != null) { 1661 try { 1662 refreshImeWindowVisibilityLocked(); 1663 mCurMethod.changeInputMethodSubtype(newSubtype); 1664 } catch (RemoteException e) { 1665 Slog.w(TAG, "Failed to call changeInputMethodSubtype"); 1666 } 1667 } 1668 } 1669 return; 1670 } 1671 1672 // Changing to a different IME. 1673 final long ident = Binder.clearCallingIdentity(); 1674 try { 1675 // Set a subtype to this input method. 1676 // subtypeId the name of a subtype which will be set. 1677 setSelectedInputMethodAndSubtypeLocked(info, subtypeId, false); 1678 // mCurMethodId should be updated after setSelectedInputMethodAndSubtypeLocked() 1679 // because mCurMethodId is stored as a history in 1680 // setSelectedInputMethodAndSubtypeLocked(). 1681 mCurMethodId = id; 1682 1683 if (ActivityManagerNative.isSystemReady()) { 1684 Intent intent = new Intent(Intent.ACTION_INPUT_METHOD_CHANGED); 1685 intent.addFlags(Intent.FLAG_RECEIVER_REPLACE_PENDING); 1686 intent.putExtra("input_method_id", id); 1687 mContext.sendBroadcastAsUser(intent, UserHandle.CURRENT); 1688 } 1689 unbindCurrentClientLocked(); 1690 } finally { 1691 Binder.restoreCallingIdentity(ident); 1692 } 1693 } 1694 1695 @Override 1696 public boolean showSoftInput(IInputMethodClient client, int flags, 1697 ResultReceiver resultReceiver) { 1698 if (!calledFromValidUser()) { 1699 return false; 1700 } 1701 int uid = Binder.getCallingUid(); 1702 long ident = Binder.clearCallingIdentity(); 1703 try { 1704 synchronized (mMethodMap) { 1705 if (mCurClient == null || client == null 1706 || mCurClient.client.asBinder() != client.asBinder()) { 1707 try { 1708 // We need to check if this is the current client with 1709 // focus in the window manager, to allow this call to 1710 // be made before input is started in it. 1711 if (!mIWindowManager.inputMethodClientHasFocus(client)) { 1712 Slog.w(TAG, "Ignoring showSoftInput of uid " + uid + ": " + client); 1713 return false; 1714 } 1715 } catch (RemoteException e) { 1716 return false; 1717 } 1718 } 1719 1720 if (DEBUG) Slog.v(TAG, "Client requesting input be shown"); 1721 return showCurrentInputLocked(flags, resultReceiver); 1722 } 1723 } finally { 1724 Binder.restoreCallingIdentity(ident); 1725 } 1726 } 1727 1728 boolean showCurrentInputLocked(int flags, ResultReceiver resultReceiver) { 1729 mShowRequested = true; 1730 if ((flags&InputMethodManager.SHOW_IMPLICIT) == 0) { 1731 mShowExplicitlyRequested = true; 1732 } 1733 if ((flags&InputMethodManager.SHOW_FORCED) != 0) { 1734 mShowExplicitlyRequested = true; 1735 mShowForced = true; 1736 } 1737 1738 if (!mSystemReady) { 1739 return false; 1740 } 1741 1742 boolean res = false; 1743 if (mCurMethod != null) { 1744 if (DEBUG) Slog.d(TAG, "showCurrentInputLocked: mCurToken=" + mCurToken); 1745 executeOrSendMessage(mCurMethod, mCaller.obtainMessageIOO( 1746 MSG_SHOW_SOFT_INPUT, getImeShowFlags(), mCurMethod, 1747 resultReceiver)); 1748 mInputShown = true; 1749 if (mHaveConnection && !mVisibleBound) { 1750 bindCurrentInputMethodService( 1751 mCurIntent, mVisibleConnection, Context.BIND_AUTO_CREATE); 1752 mVisibleBound = true; 1753 } 1754 res = true; 1755 } else if (mHaveConnection && SystemClock.uptimeMillis() 1756 >= (mLastBindTime+TIME_TO_RECONNECT)) { 1757 // The client has asked to have the input method shown, but 1758 // we have been sitting here too long with a connection to the 1759 // service and no interface received, so let's disconnect/connect 1760 // to try to prod things along. 1761 EventLog.writeEvent(EventLogTags.IMF_FORCE_RECONNECT_IME, mCurMethodId, 1762 SystemClock.uptimeMillis()-mLastBindTime,1); 1763 Slog.w(TAG, "Force disconnect/connect to the IME in showCurrentInputLocked()"); 1764 mContext.unbindService(this); 1765 bindCurrentInputMethodService(mCurIntent, this, Context.BIND_AUTO_CREATE 1766 | Context.BIND_NOT_VISIBLE); 1767 } else { 1768 if (DEBUG) { 1769 Slog.d(TAG, "Can't show input: connection = " + mHaveConnection + ", time = " 1770 + ((mLastBindTime+TIME_TO_RECONNECT) - SystemClock.uptimeMillis())); 1771 } 1772 } 1773 1774 return res; 1775 } 1776 1777 @Override 1778 public boolean hideSoftInput(IInputMethodClient client, int flags, 1779 ResultReceiver resultReceiver) { 1780 if (!calledFromValidUser()) { 1781 return false; 1782 } 1783 int uid = Binder.getCallingUid(); 1784 long ident = Binder.clearCallingIdentity(); 1785 try { 1786 synchronized (mMethodMap) { 1787 if (mCurClient == null || client == null 1788 || mCurClient.client.asBinder() != client.asBinder()) { 1789 try { 1790 // We need to check if this is the current client with 1791 // focus in the window manager, to allow this call to 1792 // be made before input is started in it. 1793 if (!mIWindowManager.inputMethodClientHasFocus(client)) { 1794 if (DEBUG) Slog.w(TAG, "Ignoring hideSoftInput of uid " 1795 + uid + ": " + client); 1796 setImeWindowVisibilityStatusHiddenLocked(); 1797 return false; 1798 } 1799 } catch (RemoteException e) { 1800 setImeWindowVisibilityStatusHiddenLocked(); 1801 return false; 1802 } 1803 } 1804 1805 if (DEBUG) Slog.v(TAG, "Client requesting input be hidden"); 1806 return hideCurrentInputLocked(flags, resultReceiver); 1807 } 1808 } finally { 1809 Binder.restoreCallingIdentity(ident); 1810 } 1811 } 1812 1813 boolean hideCurrentInputLocked(int flags, ResultReceiver resultReceiver) { 1814 if ((flags&InputMethodManager.HIDE_IMPLICIT_ONLY) != 0 1815 && (mShowExplicitlyRequested || mShowForced)) { 1816 if (DEBUG) Slog.v(TAG, "Not hiding: explicit show not cancelled by non-explicit hide"); 1817 return false; 1818 } 1819 if (mShowForced && (flags&InputMethodManager.HIDE_NOT_ALWAYS) != 0) { 1820 if (DEBUG) Slog.v(TAG, "Not hiding: forced show not cancelled by not-always hide"); 1821 return false; 1822 } 1823 boolean res; 1824 if (mInputShown && mCurMethod != null) { 1825 executeOrSendMessage(mCurMethod, mCaller.obtainMessageOO( 1826 MSG_HIDE_SOFT_INPUT, mCurMethod, resultReceiver)); 1827 res = true; 1828 } else { 1829 res = false; 1830 } 1831 if (mHaveConnection && mVisibleBound) { 1832 mContext.unbindService(mVisibleConnection); 1833 mVisibleBound = false; 1834 } 1835 mInputShown = false; 1836 mShowRequested = false; 1837 mShowExplicitlyRequested = false; 1838 mShowForced = false; 1839 return res; 1840 } 1841 1842 @Override 1843 public InputBindResult windowGainedFocus(IInputMethodClient client, IBinder windowToken, 1844 int controlFlags, int softInputMode, int windowFlags, 1845 EditorInfo attribute, IInputContext inputContext) { 1846 // Needs to check the validity before clearing calling identity 1847 final boolean calledFromValidUser = calledFromValidUser(); 1848 1849 InputBindResult res = null; 1850 long ident = Binder.clearCallingIdentity(); 1851 try { 1852 synchronized (mMethodMap) { 1853 if (DEBUG) Slog.v(TAG, "windowGainedFocus: " + client.asBinder() 1854 + " controlFlags=#" + Integer.toHexString(controlFlags) 1855 + " softInputMode=#" + Integer.toHexString(softInputMode) 1856 + " windowFlags=#" + Integer.toHexString(windowFlags)); 1857 1858 ClientState cs = mClients.get(client.asBinder()); 1859 if (cs == null) { 1860 throw new IllegalArgumentException("unknown client " 1861 + client.asBinder()); 1862 } 1863 1864 try { 1865 if (!mIWindowManager.inputMethodClientHasFocus(cs.client)) { 1866 // Check with the window manager to make sure this client actually 1867 // has a window with focus. If not, reject. This is thread safe 1868 // because if the focus changes some time before or after, the 1869 // next client receiving focus that has any interest in input will 1870 // be calling through here after that change happens. 1871 Slog.w(TAG, "Focus gain on non-focused client " + cs.client 1872 + " (uid=" + cs.uid + " pid=" + cs.pid + ")"); 1873 return null; 1874 } 1875 } catch (RemoteException e) { 1876 } 1877 1878 if (!calledFromValidUser) { 1879 Slog.w(TAG, "A background user is requesting window. Hiding IME."); 1880 Slog.w(TAG, "If you want to interect with IME, you need " 1881 + "android.permission.INTERACT_ACROSS_USERS_FULL"); 1882 hideCurrentInputLocked(0, null); 1883 return null; 1884 } 1885 1886 if (mCurFocusedWindow == windowToken) { 1887 Slog.w(TAG, "Window already focused, ignoring focus gain of: " + client 1888 + " attribute=" + attribute + ", token = " + windowToken); 1889 if (attribute != null) { 1890 return startInputUncheckedLocked(cs, inputContext, attribute, 1891 controlFlags); 1892 } 1893 return null; 1894 } 1895 mCurFocusedWindow = windowToken; 1896 1897 // Should we auto-show the IME even if the caller has not 1898 // specified what should be done with it? 1899 // We only do this automatically if the window can resize 1900 // to accommodate the IME (so what the user sees will give 1901 // them good context without input information being obscured 1902 // by the IME) or if running on a large screen where there 1903 // is more room for the target window + IME. 1904 final boolean doAutoShow = 1905 (softInputMode & WindowManager.LayoutParams.SOFT_INPUT_MASK_ADJUST) 1906 == WindowManager.LayoutParams.SOFT_INPUT_ADJUST_RESIZE 1907 || mRes.getConfiguration().isLayoutSizeAtLeast( 1908 Configuration.SCREENLAYOUT_SIZE_LARGE); 1909 final boolean isTextEditor = 1910 (controlFlags&InputMethodManager.CONTROL_WINDOW_IS_TEXT_EDITOR) != 0; 1911 1912 // We want to start input before showing the IME, but after closing 1913 // it. We want to do this after closing it to help the IME disappear 1914 // more quickly (not get stuck behind it initializing itself for the 1915 // new focused input, even if its window wants to hide the IME). 1916 boolean didStart = false; 1917 1918 switch (softInputMode&WindowManager.LayoutParams.SOFT_INPUT_MASK_STATE) { 1919 case WindowManager.LayoutParams.SOFT_INPUT_STATE_UNSPECIFIED: 1920 if (!isTextEditor || !doAutoShow) { 1921 if (WindowManager.LayoutParams.mayUseInputMethod(windowFlags)) { 1922 // There is no focus view, and this window will 1923 // be behind any soft input window, so hide the 1924 // soft input window if it is shown. 1925 if (DEBUG) Slog.v(TAG, "Unspecified window will hide input"); 1926 hideCurrentInputLocked(InputMethodManager.HIDE_NOT_ALWAYS, null); 1927 } 1928 } else if (isTextEditor && doAutoShow && (softInputMode & 1929 WindowManager.LayoutParams.SOFT_INPUT_IS_FORWARD_NAVIGATION) != 0) { 1930 // There is a focus view, and we are navigating forward 1931 // into the window, so show the input window for the user. 1932 // We only do this automatically if the window can resize 1933 // to accommodate the IME (so what the user sees will give 1934 // them good context without input information being obscured 1935 // by the IME) or if running on a large screen where there 1936 // is more room for the target window + IME. 1937 if (DEBUG) Slog.v(TAG, "Unspecified window will show input"); 1938 if (attribute != null) { 1939 res = startInputUncheckedLocked(cs, inputContext, attribute, 1940 controlFlags); 1941 didStart = true; 1942 } 1943 showCurrentInputLocked(InputMethodManager.SHOW_IMPLICIT, null); 1944 } 1945 break; 1946 case WindowManager.LayoutParams.SOFT_INPUT_STATE_UNCHANGED: 1947 // Do nothing. 1948 break; 1949 case WindowManager.LayoutParams.SOFT_INPUT_STATE_HIDDEN: 1950 if ((softInputMode & 1951 WindowManager.LayoutParams.SOFT_INPUT_IS_FORWARD_NAVIGATION) != 0) { 1952 if (DEBUG) Slog.v(TAG, "Window asks to hide input going forward"); 1953 hideCurrentInputLocked(0, null); 1954 } 1955 break; 1956 case WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_HIDDEN: 1957 if (DEBUG) Slog.v(TAG, "Window asks to hide input"); 1958 hideCurrentInputLocked(0, null); 1959 break; 1960 case WindowManager.LayoutParams.SOFT_INPUT_STATE_VISIBLE: 1961 if ((softInputMode & 1962 WindowManager.LayoutParams.SOFT_INPUT_IS_FORWARD_NAVIGATION) != 0) { 1963 if (DEBUG) Slog.v(TAG, "Window asks to show input going forward"); 1964 if (attribute != null) { 1965 res = startInputUncheckedLocked(cs, inputContext, attribute, 1966 controlFlags); 1967 didStart = true; 1968 } 1969 showCurrentInputLocked(InputMethodManager.SHOW_IMPLICIT, null); 1970 } 1971 break; 1972 case WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_VISIBLE: 1973 if (DEBUG) Slog.v(TAG, "Window asks to always show input"); 1974 if (attribute != null) { 1975 res = startInputUncheckedLocked(cs, inputContext, attribute, 1976 controlFlags); 1977 didStart = true; 1978 } 1979 showCurrentInputLocked(InputMethodManager.SHOW_IMPLICIT, null); 1980 break; 1981 } 1982 1983 if (!didStart && attribute != null) { 1984 res = startInputUncheckedLocked(cs, inputContext, attribute, 1985 controlFlags); 1986 } 1987 } 1988 } finally { 1989 Binder.restoreCallingIdentity(ident); 1990 } 1991 1992 return res; 1993 } 1994 1995 @Override 1996 public void showInputMethodPickerFromClient(IInputMethodClient client) { 1997 if (!calledFromValidUser()) { 1998 return; 1999 } 2000 synchronized (mMethodMap) { 2001 if (mCurClient == null || client == null 2002 || mCurClient.client.asBinder() != client.asBinder()) { 2003 Slog.w(TAG, "Ignoring showInputMethodPickerFromClient of uid " 2004 + Binder.getCallingUid() + ": " + client); 2005 } 2006 2007 // Always call subtype picker, because subtype picker is a superset of input method 2008 // picker. 2009 mHandler.sendEmptyMessage(MSG_SHOW_IM_SUBTYPE_PICKER); 2010 } 2011 } 2012 2013 @Override 2014 public void setInputMethod(IBinder token, String id) { 2015 if (!calledFromValidUser()) { 2016 return; 2017 } 2018 setInputMethodWithSubtypeId(token, id, NOT_A_SUBTYPE_ID); 2019 } 2020 2021 @Override 2022 public void setInputMethodAndSubtype(IBinder token, String id, InputMethodSubtype subtype) { 2023 if (!calledFromValidUser()) { 2024 return; 2025 } 2026 synchronized (mMethodMap) { 2027 if (subtype != null) { 2028 setInputMethodWithSubtypeId(token, id, InputMethodUtils.getSubtypeIdFromHashCode( 2029 mMethodMap.get(id), subtype.hashCode())); 2030 } else { 2031 setInputMethod(token, id); 2032 } 2033 } 2034 } 2035 2036 @Override 2037 public void showInputMethodAndSubtypeEnablerFromClient( 2038 IInputMethodClient client, String inputMethodId) { 2039 if (!calledFromValidUser()) { 2040 return; 2041 } 2042 synchronized (mMethodMap) { 2043 if (mCurClient == null || client == null 2044 || mCurClient.client.asBinder() != client.asBinder()) { 2045 Slog.w(TAG, "Ignoring showInputMethodAndSubtypeEnablerFromClient of: " + client); 2046 } 2047 executeOrSendMessage(mCurMethod, mCaller.obtainMessageO( 2048 MSG_SHOW_IM_SUBTYPE_ENABLER, inputMethodId)); 2049 } 2050 } 2051 2052 @Override 2053 public boolean switchToLastInputMethod(IBinder token) { 2054 if (!calledFromValidUser()) { 2055 return false; 2056 } 2057 synchronized (mMethodMap) { 2058 final Pair<String, String> lastIme = mSettings.getLastInputMethodAndSubtypeLocked(); 2059 final InputMethodInfo lastImi; 2060 if (lastIme != null) { 2061 lastImi = mMethodMap.get(lastIme.first); 2062 } else { 2063 lastImi = null; 2064 } 2065 String targetLastImiId = null; 2066 int subtypeId = NOT_A_SUBTYPE_ID; 2067 if (lastIme != null && lastImi != null) { 2068 final boolean imiIdIsSame = lastImi.getId().equals(mCurMethodId); 2069 final int lastSubtypeHash = Integer.valueOf(lastIme.second); 2070 final int currentSubtypeHash = mCurrentSubtype == null ? NOT_A_SUBTYPE_ID 2071 : mCurrentSubtype.hashCode(); 2072 // If the last IME is the same as the current IME and the last subtype is not 2073 // defined, there is no need to switch to the last IME. 2074 if (!imiIdIsSame || lastSubtypeHash != currentSubtypeHash) { 2075 targetLastImiId = lastIme.first; 2076 subtypeId = InputMethodUtils.getSubtypeIdFromHashCode(lastImi, lastSubtypeHash); 2077 } 2078 } 2079 2080 if (TextUtils.isEmpty(targetLastImiId) 2081 && !InputMethodUtils.canAddToLastInputMethod(mCurrentSubtype)) { 2082 // This is a safety net. If the currentSubtype can't be added to the history 2083 // and the framework couldn't find the last ime, we will make the last ime be 2084 // the most applicable enabled keyboard subtype of the system imes. 2085 final List<InputMethodInfo> enabled = mSettings.getEnabledInputMethodListLocked(); 2086 if (enabled != null) { 2087 final int N = enabled.size(); 2088 final String locale = mCurrentSubtype == null 2089 ? mRes.getConfiguration().locale.toString() 2090 : mCurrentSubtype.getLocale(); 2091 for (int i = 0; i < N; ++i) { 2092 final InputMethodInfo imi = enabled.get(i); 2093 if (imi.getSubtypeCount() > 0 && InputMethodUtils.isSystemIme(imi)) { 2094 InputMethodSubtype keyboardSubtype = 2095 InputMethodUtils.findLastResortApplicableSubtypeLocked(mRes, 2096 InputMethodUtils.getSubtypes(imi), 2097 InputMethodUtils.SUBTYPE_MODE_KEYBOARD, locale, true); 2098 if (keyboardSubtype != null) { 2099 targetLastImiId = imi.getId(); 2100 subtypeId = InputMethodUtils.getSubtypeIdFromHashCode( 2101 imi, keyboardSubtype.hashCode()); 2102 if(keyboardSubtype.getLocale().equals(locale)) { 2103 break; 2104 } 2105 } 2106 } 2107 } 2108 } 2109 } 2110 2111 if (!TextUtils.isEmpty(targetLastImiId)) { 2112 if (DEBUG) { 2113 Slog.d(TAG, "Switch to: " + lastImi.getId() + ", " + lastIme.second 2114 + ", from: " + mCurMethodId + ", " + subtypeId); 2115 } 2116 setInputMethodWithSubtypeId(token, targetLastImiId, subtypeId); 2117 return true; 2118 } else { 2119 return false; 2120 } 2121 } 2122 } 2123 2124 @Override 2125 public boolean switchToNextInputMethod(IBinder token, boolean onlyCurrentIme) { 2126 if (!calledFromValidUser()) { 2127 return false; 2128 } 2129 synchronized (mMethodMap) { 2130 final ImeSubtypeListItem nextSubtype = mImListManager.getNextInputMethod( 2131 onlyCurrentIme, mMethodMap.get(mCurMethodId), mCurrentSubtype); 2132 if (nextSubtype == null) { 2133 return false; 2134 } 2135 setInputMethodWithSubtypeId(token, nextSubtype.mImi.getId(), nextSubtype.mSubtypeId); 2136 return true; 2137 } 2138 } 2139 2140 @Override 2141 public InputMethodSubtype getLastInputMethodSubtype() { 2142 if (!calledFromValidUser()) { 2143 return null; 2144 } 2145 synchronized (mMethodMap) { 2146 final Pair<String, String> lastIme = mSettings.getLastInputMethodAndSubtypeLocked(); 2147 // TODO: Handle the case of the last IME with no subtypes 2148 if (lastIme == null || TextUtils.isEmpty(lastIme.first) 2149 || TextUtils.isEmpty(lastIme.second)) return null; 2150 final InputMethodInfo lastImi = mMethodMap.get(lastIme.first); 2151 if (lastImi == null) return null; 2152 try { 2153 final int lastSubtypeHash = Integer.valueOf(lastIme.second); 2154 final int lastSubtypeId = 2155 InputMethodUtils.getSubtypeIdFromHashCode(lastImi, lastSubtypeHash); 2156 if (lastSubtypeId < 0 || lastSubtypeId >= lastImi.getSubtypeCount()) { 2157 return null; 2158 } 2159 return lastImi.getSubtypeAt(lastSubtypeId); 2160 } catch (NumberFormatException e) { 2161 return null; 2162 } 2163 } 2164 } 2165 2166 @Override 2167 public void setAdditionalInputMethodSubtypes(String imiId, InputMethodSubtype[] subtypes) { 2168 if (!calledFromValidUser()) { 2169 return; 2170 } 2171 // By this IPC call, only a process which shares the same uid with the IME can add 2172 // additional input method subtypes to the IME. 2173 if (TextUtils.isEmpty(imiId) || subtypes == null || subtypes.length == 0) return; 2174 synchronized (mMethodMap) { 2175 final InputMethodInfo imi = mMethodMap.get(imiId); 2176 if (imi == null) return; 2177 final String[] packageInfos; 2178 try { 2179 packageInfos = mIPackageManager.getPackagesForUid(Binder.getCallingUid()); 2180 } catch (RemoteException e) { 2181 Slog.e(TAG, "Failed to get package infos"); 2182 return; 2183 } 2184 if (packageInfos != null) { 2185 final int packageNum = packageInfos.length; 2186 for (int i = 0; i < packageNum; ++i) { 2187 if (packageInfos[i].equals(imi.getPackageName())) { 2188 mFileManager.addInputMethodSubtypes(imi, subtypes); 2189 final long ident = Binder.clearCallingIdentity(); 2190 try { 2191 buildInputMethodListLocked(mMethodList, mMethodMap, 2192 false /* resetDefaultEnabledIme */); 2193 } finally { 2194 Binder.restoreCallingIdentity(ident); 2195 } 2196 return; 2197 } 2198 } 2199 } 2200 } 2201 return; 2202 } 2203 2204 private void setInputMethodWithSubtypeId(IBinder token, String id, int subtypeId) { 2205 synchronized (mMethodMap) { 2206 if (token == null) { 2207 if (mContext.checkCallingOrSelfPermission( 2208 android.Manifest.permission.WRITE_SECURE_SETTINGS) 2209 != PackageManager.PERMISSION_GRANTED) { 2210 throw new SecurityException( 2211 "Using null token requires permission " 2212 + android.Manifest.permission.WRITE_SECURE_SETTINGS); 2213 } 2214 } else if (mCurToken != token) { 2215 Slog.w(TAG, "Ignoring setInputMethod of uid " + Binder.getCallingUid() 2216 + " token: " + token); 2217 return; 2218 } 2219 2220 final long ident = Binder.clearCallingIdentity(); 2221 try { 2222 setInputMethodLocked(id, subtypeId); 2223 } finally { 2224 Binder.restoreCallingIdentity(ident); 2225 } 2226 } 2227 } 2228 2229 @Override 2230 public void hideMySoftInput(IBinder token, int flags) { 2231 if (!calledFromValidUser()) { 2232 return; 2233 } 2234 synchronized (mMethodMap) { 2235 if (token == null || mCurToken != token) { 2236 if (DEBUG) Slog.w(TAG, "Ignoring hideInputMethod of uid " 2237 + Binder.getCallingUid() + " token: " + token); 2238 return; 2239 } 2240 long ident = Binder.clearCallingIdentity(); 2241 try { 2242 hideCurrentInputLocked(flags, null); 2243 } finally { 2244 Binder.restoreCallingIdentity(ident); 2245 } 2246 } 2247 } 2248 2249 @Override 2250 public void showMySoftInput(IBinder token, int flags) { 2251 if (!calledFromValidUser()) { 2252 return; 2253 } 2254 synchronized (mMethodMap) { 2255 if (token == null || mCurToken != token) { 2256 Slog.w(TAG, "Ignoring showMySoftInput of uid " 2257 + Binder.getCallingUid() + " token: " + token); 2258 return; 2259 } 2260 long ident = Binder.clearCallingIdentity(); 2261 try { 2262 showCurrentInputLocked(flags, null); 2263 } finally { 2264 Binder.restoreCallingIdentity(ident); 2265 } 2266 } 2267 } 2268 2269 void setEnabledSessionInMainThread(SessionState session) { 2270 if (mEnabledSession != session) { 2271 if (mEnabledSession != null) { 2272 try { 2273 if (DEBUG) Slog.v(TAG, "Disabling: " + mEnabledSession); 2274 mEnabledSession.method.setSessionEnabled( 2275 mEnabledSession.session, false); 2276 } catch (RemoteException e) { 2277 } 2278 } 2279 mEnabledSession = session; 2280 try { 2281 if (DEBUG) Slog.v(TAG, "Enabling: " + mEnabledSession); 2282 session.method.setSessionEnabled( 2283 session.session, true); 2284 } catch (RemoteException e) { 2285 } 2286 } 2287 } 2288 2289 @Override 2290 public boolean handleMessage(Message msg) { 2291 SomeArgs args; 2292 switch (msg.what) { 2293 case MSG_SHOW_IM_PICKER: 2294 showInputMethodMenu(); 2295 return true; 2296 2297 case MSG_SHOW_IM_SUBTYPE_PICKER: 2298 showInputMethodSubtypeMenu(); 2299 return true; 2300 2301 case MSG_SHOW_IM_SUBTYPE_ENABLER: 2302 args = (SomeArgs)msg.obj; 2303 showInputMethodAndSubtypeEnabler((String)args.arg1); 2304 args.recycle(); 2305 return true; 2306 2307 case MSG_SHOW_IM_CONFIG: 2308 showConfigureInputMethods(); 2309 return true; 2310 2311 // --------------------------------------------------------- 2312 2313 case MSG_UNBIND_INPUT: 2314 try { 2315 ((IInputMethod)msg.obj).unbindInput(); 2316 } catch (RemoteException e) { 2317 // There is nothing interesting about the method dying. 2318 } 2319 return true; 2320 case MSG_BIND_INPUT: 2321 args = (SomeArgs)msg.obj; 2322 try { 2323 ((IInputMethod)args.arg1).bindInput((InputBinding)args.arg2); 2324 } catch (RemoteException e) { 2325 } 2326 args.recycle(); 2327 return true; 2328 case MSG_SHOW_SOFT_INPUT: 2329 args = (SomeArgs)msg.obj; 2330 try { 2331 if (DEBUG) Slog.v(TAG, "Calling " + args.arg1 + ".showSoftInput(" 2332 + msg.arg1 + ", " + args.arg2 + ")"); 2333 ((IInputMethod)args.arg1).showSoftInput(msg.arg1, (ResultReceiver)args.arg2); 2334 } catch (RemoteException e) { 2335 } 2336 args.recycle(); 2337 return true; 2338 case MSG_HIDE_SOFT_INPUT: 2339 args = (SomeArgs)msg.obj; 2340 try { 2341 if (DEBUG) Slog.v(TAG, "Calling " + args.arg1 + ".hideSoftInput(0, " 2342 + args.arg2 + ")"); 2343 ((IInputMethod)args.arg1).hideSoftInput(0, (ResultReceiver)args.arg2); 2344 } catch (RemoteException e) { 2345 } 2346 args.recycle(); 2347 return true; 2348 case MSG_ATTACH_TOKEN: 2349 args = (SomeArgs)msg.obj; 2350 try { 2351 if (DEBUG) Slog.v(TAG, "Sending attach of token: " + args.arg2); 2352 ((IInputMethod)args.arg1).attachToken((IBinder)args.arg2); 2353 } catch (RemoteException e) { 2354 } 2355 args.recycle(); 2356 return true; 2357 case MSG_CREATE_SESSION: { 2358 args = (SomeArgs)msg.obj; 2359 InputChannel channel = (InputChannel)args.arg2; 2360 try { 2361 ((IInputMethod)args.arg1).createSession(channel, 2362 (IInputSessionCallback)args.arg3); 2363 } catch (RemoteException e) { 2364 } finally { 2365 if (channel != null) { 2366 channel.dispose(); 2367 } 2368 } 2369 args.recycle(); 2370 return true; 2371 } 2372 // --------------------------------------------------------- 2373 2374 case MSG_START_INPUT: 2375 args = (SomeArgs)msg.obj; 2376 try { 2377 SessionState session = (SessionState)args.arg1; 2378 setEnabledSessionInMainThread(session); 2379 session.method.startInput((IInputContext)args.arg2, 2380 (EditorInfo)args.arg3); 2381 } catch (RemoteException e) { 2382 } 2383 args.recycle(); 2384 return true; 2385 case MSG_RESTART_INPUT: 2386 args = (SomeArgs)msg.obj; 2387 try { 2388 SessionState session = (SessionState)args.arg1; 2389 setEnabledSessionInMainThread(session); 2390 session.method.restartInput((IInputContext)args.arg2, 2391 (EditorInfo)args.arg3); 2392 } catch (RemoteException e) { 2393 } 2394 args.recycle(); 2395 return true; 2396 2397 // --------------------------------------------------------- 2398 2399 case MSG_UNBIND_METHOD: 2400 try { 2401 ((IInputMethodClient)msg.obj).onUnbindMethod(msg.arg1); 2402 } catch (RemoteException e) { 2403 // There is nothing interesting about the last client dying. 2404 } 2405 return true; 2406 case MSG_BIND_METHOD: 2407 args = (SomeArgs)msg.obj; 2408 try { 2409 ((IInputMethodClient)args.arg1).onBindMethod( 2410 (InputBindResult)args.arg2); 2411 } catch (RemoteException e) { 2412 Slog.w(TAG, "Client died receiving input method " + args.arg2); 2413 } 2414 args.recycle(); 2415 return true; 2416 case MSG_SET_ACTIVE: 2417 try { 2418 ((ClientState)msg.obj).client.setActive(msg.arg1 != 0); 2419 } catch (RemoteException e) { 2420 Slog.w(TAG, "Got RemoteException sending setActive(false) notification to pid " 2421 + ((ClientState)msg.obj).pid + " uid " 2422 + ((ClientState)msg.obj).uid); 2423 } 2424 return true; 2425 2426 // -------------------------------------------------------------- 2427 case MSG_HARD_KEYBOARD_SWITCH_CHANGED: 2428 mHardKeyboardListener.handleHardKeyboardStatusChange( 2429 msg.arg1 == 1, msg.arg2 == 1); 2430 return true; 2431 } 2432 return false; 2433 } 2434 2435 private boolean chooseNewDefaultIMELocked() { 2436 final InputMethodInfo imi = InputMethodUtils.getMostApplicableDefaultIME( 2437 mSettings.getEnabledInputMethodListLocked()); 2438 if (imi != null) { 2439 if (DEBUG) { 2440 Slog.d(TAG, "New default IME was selected: " + imi.getId()); 2441 } 2442 resetSelectedInputMethodAndSubtypeLocked(imi.getId()); 2443 return true; 2444 } 2445 2446 return false; 2447 } 2448 2449 void buildInputMethodListLocked(ArrayList<InputMethodInfo> list, 2450 HashMap<String, InputMethodInfo> map, boolean resetDefaultEnabledIme) { 2451 if (DEBUG) { 2452 Slog.d(TAG, "--- re-buildInputMethodList reset = " + resetDefaultEnabledIme 2453 + " \n ------ \n" + getStackTrace()); 2454 } 2455 list.clear(); 2456 map.clear(); 2457 2458 // Use for queryIntentServicesAsUser 2459 final PackageManager pm = mContext.getPackageManager(); 2460 String disabledSysImes = mSettings.getDisabledSystemInputMethods(); 2461 if (disabledSysImes == null) disabledSysImes = ""; 2462 2463 final List<ResolveInfo> services = pm.queryIntentServicesAsUser( 2464 new Intent(InputMethod.SERVICE_INTERFACE), 2465 PackageManager.GET_META_DATA | PackageManager.GET_DISABLED_UNTIL_USED_COMPONENTS, 2466 mSettings.getCurrentUserId()); 2467 2468 final HashMap<String, List<InputMethodSubtype>> additionalSubtypes = 2469 mFileManager.getAllAdditionalInputMethodSubtypes(); 2470 for (int i = 0; i < services.size(); ++i) { 2471 ResolveInfo ri = services.get(i); 2472 ServiceInfo si = ri.serviceInfo; 2473 ComponentName compName = new ComponentName(si.packageName, si.name); 2474 if (!android.Manifest.permission.BIND_INPUT_METHOD.equals( 2475 si.permission)) { 2476 Slog.w(TAG, "Skipping input method " + compName 2477 + ": it does not require the permission " 2478 + android.Manifest.permission.BIND_INPUT_METHOD); 2479 continue; 2480 } 2481 2482 if (DEBUG) Slog.d(TAG, "Checking " + compName); 2483 2484 try { 2485 InputMethodInfo p = new InputMethodInfo(mContext, ri, additionalSubtypes); 2486 list.add(p); 2487 final String id = p.getId(); 2488 map.put(id, p); 2489 2490 if (DEBUG) { 2491 Slog.d(TAG, "Found an input method " + p); 2492 } 2493 2494 } catch (XmlPullParserException e) { 2495 Slog.w(TAG, "Unable to load input method " + compName, e); 2496 } catch (IOException e) { 2497 Slog.w(TAG, "Unable to load input method " + compName, e); 2498 } 2499 } 2500 2501 if (resetDefaultEnabledIme) { 2502 final ArrayList<InputMethodInfo> defaultEnabledIme = 2503 InputMethodUtils.getDefaultEnabledImes(mContext, mSystemReady, list); 2504 for (int i = 0; i < defaultEnabledIme.size(); ++i) { 2505 final InputMethodInfo imi = defaultEnabledIme.get(i); 2506 if (DEBUG) { 2507 Slog.d(TAG, "--- enable ime = " + imi); 2508 } 2509 setInputMethodEnabledLocked(imi.getId(), true); 2510 } 2511 } 2512 2513 final String defaultImiId = mSettings.getSelectedInputMethod(); 2514 if (!TextUtils.isEmpty(defaultImiId)) { 2515 if (!map.containsKey(defaultImiId)) { 2516 Slog.w(TAG, "Default IME is uninstalled. Choose new default IME."); 2517 if (chooseNewDefaultIMELocked()) { 2518 updateFromSettingsLocked(true); 2519 } 2520 } else { 2521 // Double check that the default IME is certainly enabled. 2522 setInputMethodEnabledLocked(defaultImiId, true); 2523 } 2524 } 2525 } 2526 2527 // ---------------------------------------------------------------------- 2528 2529 private void showInputMethodMenu() { 2530 showInputMethodMenuInternal(false); 2531 } 2532 2533 private void showInputMethodSubtypeMenu() { 2534 showInputMethodMenuInternal(true); 2535 } 2536 2537 private void showInputMethodAndSubtypeEnabler(String inputMethodId) { 2538 Intent intent = new Intent(Settings.ACTION_INPUT_METHOD_SUBTYPE_SETTINGS); 2539 intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK 2540 | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED 2541 | Intent.FLAG_ACTIVITY_CLEAR_TOP); 2542 if (!TextUtils.isEmpty(inputMethodId)) { 2543 intent.putExtra(Settings.EXTRA_INPUT_METHOD_ID, inputMethodId); 2544 } 2545 mContext.startActivityAsUser(intent, null, UserHandle.CURRENT); 2546 } 2547 2548 private void showConfigureInputMethods() { 2549 Intent intent = new Intent(Settings.ACTION_INPUT_METHOD_SETTINGS); 2550 intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK 2551 | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED 2552 | Intent.FLAG_ACTIVITY_CLEAR_TOP); 2553 mContext.startActivityAsUser(intent, null, UserHandle.CURRENT); 2554 } 2555 2556 private boolean isScreenLocked() { 2557 return mKeyguardManager != null 2558 && mKeyguardManager.isKeyguardLocked() && mKeyguardManager.isKeyguardSecure(); 2559 } 2560 private void showInputMethodMenuInternal(boolean showSubtypes) { 2561 if (DEBUG) Slog.v(TAG, "Show switching menu"); 2562 2563 final Context context = mContext; 2564 final boolean isScreenLocked = isScreenLocked(); 2565 2566 final String lastInputMethodId = mSettings.getSelectedInputMethod(); 2567 int lastInputMethodSubtypeId = mSettings.getSelectedInputMethodSubtypeId(lastInputMethodId); 2568 if (DEBUG) Slog.v(TAG, "Current IME: " + lastInputMethodId); 2569 2570 synchronized (mMethodMap) { 2571 final HashMap<InputMethodInfo, List<InputMethodSubtype>> immis = 2572 getExplicitlyOrImplicitlyEnabledInputMethodsAndSubtypeListLocked(); 2573 if (immis == null || immis.size() == 0) { 2574 return; 2575 } 2576 2577 hideInputMethodMenuLocked(); 2578 2579 final List<ImeSubtypeListItem> imList = 2580 mImListManager.getSortedInputMethodAndSubtypeList( 2581 showSubtypes, mInputShown, isScreenLocked); 2582 2583 if (lastInputMethodSubtypeId == NOT_A_SUBTYPE_ID) { 2584 final InputMethodSubtype currentSubtype = getCurrentInputMethodSubtypeLocked(); 2585 if (currentSubtype != null) { 2586 final InputMethodInfo currentImi = mMethodMap.get(mCurMethodId); 2587 lastInputMethodSubtypeId = InputMethodUtils.getSubtypeIdFromHashCode( 2588 currentImi, currentSubtype.hashCode()); 2589 } 2590 } 2591 2592 final int N = imList.size(); 2593 mIms = new InputMethodInfo[N]; 2594 mSubtypeIds = new int[N]; 2595 int checkedItem = 0; 2596 for (int i = 0; i < N; ++i) { 2597 final ImeSubtypeListItem item = imList.get(i); 2598 mIms[i] = item.mImi; 2599 mSubtypeIds[i] = item.mSubtypeId; 2600 if (mIms[i].getId().equals(lastInputMethodId)) { 2601 int subtypeId = mSubtypeIds[i]; 2602 if ((subtypeId == NOT_A_SUBTYPE_ID) 2603 || (lastInputMethodSubtypeId == NOT_A_SUBTYPE_ID && subtypeId == 0) 2604 || (subtypeId == lastInputMethodSubtypeId)) { 2605 checkedItem = i; 2606 } 2607 } 2608 } 2609 final TypedArray a = context.obtainStyledAttributes(null, 2610 com.android.internal.R.styleable.DialogPreference, 2611 com.android.internal.R.attr.alertDialogStyle, 0); 2612 mDialogBuilder = new AlertDialog.Builder(context) 2613 .setOnCancelListener(new OnCancelListener() { 2614 @Override 2615 public void onCancel(DialogInterface dialog) { 2616 hideInputMethodMenu(); 2617 } 2618 }) 2619 .setIcon(a.getDrawable( 2620 com.android.internal.R.styleable.DialogPreference_dialogTitle)); 2621 a.recycle(); 2622 final LayoutInflater inflater = 2623 (LayoutInflater)mContext.getSystemService(Context.LAYOUT_INFLATER_SERVICE); 2624 final View tv = inflater.inflate( 2625 com.android.internal.R.layout.input_method_switch_dialog_title, null); 2626 mDialogBuilder.setCustomTitle(tv); 2627 2628 // Setup layout for a toggle switch of the hardware keyboard 2629 mSwitchingDialogTitleView = tv; 2630 mSwitchingDialogTitleView.findViewById( 2631 com.android.internal.R.id.hard_keyboard_section).setVisibility( 2632 mWindowManagerService.isHardKeyboardAvailable() ? 2633 View.VISIBLE : View.GONE); 2634 final Switch hardKeySwitch = ((Switch)mSwitchingDialogTitleView.findViewById( 2635 com.android.internal.R.id.hard_keyboard_switch)); 2636 hardKeySwitch.setChecked(mWindowManagerService.isHardKeyboardEnabled()); 2637 hardKeySwitch.setOnCheckedChangeListener( 2638 new OnCheckedChangeListener() { 2639 @Override 2640 public void onCheckedChanged( 2641 CompoundButton buttonView, boolean isChecked) { 2642 mWindowManagerService.setHardKeyboardEnabled(isChecked); 2643 // Ensure that the input method dialog is dismissed when changing 2644 // the hardware keyboard state. 2645 hideInputMethodMenu(); 2646 } 2647 }); 2648 2649 final ImeSubtypeListAdapter adapter = new ImeSubtypeListAdapter(context, 2650 com.android.internal.R.layout.simple_list_item_2_single_choice, imList, 2651 checkedItem); 2652 2653 mDialogBuilder.setSingleChoiceItems(adapter, checkedItem, 2654 new AlertDialog.OnClickListener() { 2655 @Override 2656 public void onClick(DialogInterface dialog, int which) { 2657 synchronized (mMethodMap) { 2658 if (mIms == null || mIms.length <= which 2659 || mSubtypeIds == null || mSubtypeIds.length <= which) { 2660 return; 2661 } 2662 InputMethodInfo im = mIms[which]; 2663 int subtypeId = mSubtypeIds[which]; 2664 adapter.mCheckedItem = which; 2665 adapter.notifyDataSetChanged(); 2666 hideInputMethodMenu(); 2667 if (im != null) { 2668 if ((subtypeId < 0) 2669 || (subtypeId >= im.getSubtypeCount())) { 2670 subtypeId = NOT_A_SUBTYPE_ID; 2671 } 2672 setInputMethodLocked(im.getId(), subtypeId); 2673 } 2674 } 2675 } 2676 }); 2677 2678 if (showSubtypes && !isScreenLocked) { 2679 mDialogBuilder.setPositiveButton( 2680 com.android.internal.R.string.configure_input_methods, 2681 new DialogInterface.OnClickListener() { 2682 @Override 2683 public void onClick(DialogInterface dialog, int whichButton) { 2684 showConfigureInputMethods(); 2685 } 2686 }); 2687 } 2688 mSwitchingDialog = mDialogBuilder.create(); 2689 mSwitchingDialog.setCanceledOnTouchOutside(true); 2690 mSwitchingDialog.getWindow().setType( 2691 WindowManager.LayoutParams.TYPE_INPUT_METHOD_DIALOG); 2692 mSwitchingDialog.getWindow().getAttributes().privateFlags |= 2693 WindowManager.LayoutParams.PRIVATE_FLAG_SHOW_FOR_ALL_USERS; 2694 mSwitchingDialog.getWindow().getAttributes().setTitle("Select input method"); 2695 mSwitchingDialog.show(); 2696 } 2697 } 2698 2699 private static class ImeSubtypeListItem implements Comparable<ImeSubtypeListItem> { 2700 public final CharSequence mImeName; 2701 public final CharSequence mSubtypeName; 2702 public final InputMethodInfo mImi; 2703 public final int mSubtypeId; 2704 private final boolean mIsSystemLocale; 2705 private final boolean mIsSystemLanguage; 2706 2707 public ImeSubtypeListItem(CharSequence imeName, CharSequence subtypeName, 2708 InputMethodInfo imi, int subtypeId, String subtypeLocale, String systemLocale) { 2709 mImeName = imeName; 2710 mSubtypeName = subtypeName; 2711 mImi = imi; 2712 mSubtypeId = subtypeId; 2713 if (TextUtils.isEmpty(subtypeLocale)) { 2714 mIsSystemLocale = false; 2715 mIsSystemLanguage = false; 2716 } else { 2717 mIsSystemLocale = subtypeLocale.equals(systemLocale); 2718 mIsSystemLanguage = mIsSystemLocale 2719 || subtypeLocale.startsWith(systemLocale.substring(0, 2)); 2720 } 2721 } 2722 2723 @Override 2724 public int compareTo(ImeSubtypeListItem other) { 2725 if (TextUtils.isEmpty(mImeName)) { 2726 return 1; 2727 } 2728 if (TextUtils.isEmpty(other.mImeName)) { 2729 return -1; 2730 } 2731 if (!TextUtils.equals(mImeName, other.mImeName)) { 2732 return mImeName.toString().compareTo(other.mImeName.toString()); 2733 } 2734 if (TextUtils.equals(mSubtypeName, other.mSubtypeName)) { 2735 return 0; 2736 } 2737 if (mIsSystemLocale) { 2738 return -1; 2739 } 2740 if (other.mIsSystemLocale) { 2741 return 1; 2742 } 2743 if (mIsSystemLanguage) { 2744 return -1; 2745 } 2746 if (other.mIsSystemLanguage) { 2747 return 1; 2748 } 2749 if (TextUtils.isEmpty(mSubtypeName)) { 2750 return 1; 2751 } 2752 if (TextUtils.isEmpty(other.mSubtypeName)) { 2753 return -1; 2754 } 2755 return mSubtypeName.toString().compareTo(other.mSubtypeName.toString()); 2756 } 2757 } 2758 2759 private static class ImeSubtypeListAdapter extends ArrayAdapter<ImeSubtypeListItem> { 2760 private final LayoutInflater mInflater; 2761 private final int mTextViewResourceId; 2762 private final List<ImeSubtypeListItem> mItemsList; 2763 public int mCheckedItem; 2764 public ImeSubtypeListAdapter(Context context, int textViewResourceId, 2765 List<ImeSubtypeListItem> itemsList, int checkedItem) { 2766 super(context, textViewResourceId, itemsList); 2767 mTextViewResourceId = textViewResourceId; 2768 mItemsList = itemsList; 2769 mCheckedItem = checkedItem; 2770 mInflater = (LayoutInflater)context.getSystemService(Context.LAYOUT_INFLATER_SERVICE); 2771 } 2772 2773 @Override 2774 public View getView(int position, View convertView, ViewGroup parent) { 2775 final View view = convertView != null ? convertView 2776 : mInflater.inflate(mTextViewResourceId, null); 2777 if (position < 0 || position >= mItemsList.size()) return view; 2778 final ImeSubtypeListItem item = mItemsList.get(position); 2779 final CharSequence imeName = item.mImeName; 2780 final CharSequence subtypeName = item.mSubtypeName; 2781 final TextView firstTextView = (TextView)view.findViewById(android.R.id.text1); 2782 final TextView secondTextView = (TextView)view.findViewById(android.R.id.text2); 2783 if (TextUtils.isEmpty(subtypeName)) { 2784 firstTextView.setText(imeName); 2785 secondTextView.setVisibility(View.GONE); 2786 } else { 2787 firstTextView.setText(subtypeName); 2788 secondTextView.setText(imeName); 2789 secondTextView.setVisibility(View.VISIBLE); 2790 } 2791 final RadioButton radioButton = 2792 (RadioButton)view.findViewById(com.android.internal.R.id.radio); 2793 radioButton.setChecked(position == mCheckedItem); 2794 return view; 2795 } 2796 } 2797 2798 void hideInputMethodMenu() { 2799 synchronized (mMethodMap) { 2800 hideInputMethodMenuLocked(); 2801 } 2802 } 2803 2804 void hideInputMethodMenuLocked() { 2805 if (DEBUG) Slog.v(TAG, "Hide switching menu"); 2806 2807 if (mSwitchingDialog != null) { 2808 mSwitchingDialog.dismiss(); 2809 mSwitchingDialog = null; 2810 } 2811 2812 mDialogBuilder = null; 2813 mIms = null; 2814 } 2815 2816 // ---------------------------------------------------------------------- 2817 2818 @Override 2819 public boolean setInputMethodEnabled(String id, boolean enabled) { 2820 // TODO: Make this work even for non-current users? 2821 if (!calledFromValidUser()) { 2822 return false; 2823 } 2824 synchronized (mMethodMap) { 2825 if (mContext.checkCallingOrSelfPermission( 2826 android.Manifest.permission.WRITE_SECURE_SETTINGS) 2827 != PackageManager.PERMISSION_GRANTED) { 2828 throw new SecurityException( 2829 "Requires permission " 2830 + android.Manifest.permission.WRITE_SECURE_SETTINGS); 2831 } 2832 2833 long ident = Binder.clearCallingIdentity(); 2834 try { 2835 return setInputMethodEnabledLocked(id, enabled); 2836 } finally { 2837 Binder.restoreCallingIdentity(ident); 2838 } 2839 } 2840 } 2841 2842 boolean setInputMethodEnabledLocked(String id, boolean enabled) { 2843 // Make sure this is a valid input method. 2844 InputMethodInfo imm = mMethodMap.get(id); 2845 if (imm == null) { 2846 throw new IllegalArgumentException("Unknown id: " + mCurMethodId); 2847 } 2848 2849 List<Pair<String, ArrayList<String>>> enabledInputMethodsList = mSettings 2850 .getEnabledInputMethodsAndSubtypeListLocked(); 2851 2852 if (enabled) { 2853 for (Pair<String, ArrayList<String>> pair: enabledInputMethodsList) { 2854 if (pair.first.equals(id)) { 2855 // We are enabling this input method, but it is already enabled. 2856 // Nothing to do. The previous state was enabled. 2857 return true; 2858 } 2859 } 2860 mSettings.appendAndPutEnabledInputMethodLocked(id, false); 2861 // Previous state was disabled. 2862 return false; 2863 } else { 2864 StringBuilder builder = new StringBuilder(); 2865 if (mSettings.buildAndPutEnabledInputMethodsStrRemovingIdLocked( 2866 builder, enabledInputMethodsList, id)) { 2867 // Disabled input method is currently selected, switch to another one. 2868 final String selId = mSettings.getSelectedInputMethod(); 2869 if (id.equals(selId) && !chooseNewDefaultIMELocked()) { 2870 Slog.i(TAG, "Can't find new IME, unsetting the current input method."); 2871 resetSelectedInputMethodAndSubtypeLocked(""); 2872 } 2873 // Previous state was enabled. 2874 return true; 2875 } else { 2876 // We are disabling the input method but it is already disabled. 2877 // Nothing to do. The previous state was disabled. 2878 return false; 2879 } 2880 } 2881 } 2882 2883 private void setSelectedInputMethodAndSubtypeLocked(InputMethodInfo imi, int subtypeId, 2884 boolean setSubtypeOnly) { 2885 // Update the history of InputMethod and Subtype 2886 mSettings.saveCurrentInputMethodAndSubtypeToHistory(mCurMethodId, mCurrentSubtype); 2887 2888 // Set Subtype here 2889 if (imi == null || subtypeId < 0) { 2890 mSettings.putSelectedSubtype(NOT_A_SUBTYPE_ID); 2891 mCurrentSubtype = null; 2892 } else { 2893 if (subtypeId < imi.getSubtypeCount()) { 2894 InputMethodSubtype subtype = imi.getSubtypeAt(subtypeId); 2895 mSettings.putSelectedSubtype(subtype.hashCode()); 2896 mCurrentSubtype = subtype; 2897 } else { 2898 mSettings.putSelectedSubtype(NOT_A_SUBTYPE_ID); 2899 // If the subtype is not specified, choose the most applicable one 2900 mCurrentSubtype = getCurrentInputMethodSubtypeLocked(); 2901 } 2902 } 2903 2904 // Workaround. 2905 // ASEC is not ready in the IMMS constructor. Accordingly, forward-locked 2906 // IMEs are not recognized and considered uninstalled. 2907 // Actually, we can't move everything after SystemReady because 2908 // IMMS needs to run in the encryption lock screen. So, we just skip changing 2909 // the default IME here and try cheking the default IME again in systemReady(). 2910 // TODO: Do nothing before system ready and implement a separated logic for 2911 // the encryption lock screen. 2912 // TODO: ASEC should be ready before IMMS is instantiated. 2913 if (mSystemReady && !setSubtypeOnly) { 2914 // Set InputMethod here 2915 mSettings.putSelectedInputMethod(imi != null ? imi.getId() : ""); 2916 } 2917 } 2918 2919 private void resetSelectedInputMethodAndSubtypeLocked(String newDefaultIme) { 2920 InputMethodInfo imi = mMethodMap.get(newDefaultIme); 2921 int lastSubtypeId = NOT_A_SUBTYPE_ID; 2922 // newDefaultIme is empty when there is no candidate for the selected IME. 2923 if (imi != null && !TextUtils.isEmpty(newDefaultIme)) { 2924 String subtypeHashCode = mSettings.getLastSubtypeForInputMethodLocked(newDefaultIme); 2925 if (subtypeHashCode != null) { 2926 try { 2927 lastSubtypeId = InputMethodUtils.getSubtypeIdFromHashCode( 2928 imi, Integer.valueOf(subtypeHashCode)); 2929 } catch (NumberFormatException e) { 2930 Slog.w(TAG, "HashCode for subtype looks broken: " + subtypeHashCode, e); 2931 } 2932 } 2933 } 2934 setSelectedInputMethodAndSubtypeLocked(imi, lastSubtypeId, false); 2935 } 2936 2937 // If there are no selected shortcuts, tries finding the most applicable ones. 2938 private Pair<InputMethodInfo, InputMethodSubtype> 2939 findLastResortApplicableShortcutInputMethodAndSubtypeLocked(String mode) { 2940 List<InputMethodInfo> imis = mSettings.getEnabledInputMethodListLocked(); 2941 InputMethodInfo mostApplicableIMI = null; 2942 InputMethodSubtype mostApplicableSubtype = null; 2943 boolean foundInSystemIME = false; 2944 2945 // Search applicable subtype for each InputMethodInfo 2946 for (InputMethodInfo imi: imis) { 2947 final String imiId = imi.getId(); 2948 if (foundInSystemIME && !imiId.equals(mCurMethodId)) { 2949 continue; 2950 } 2951 InputMethodSubtype subtype = null; 2952 final List<InputMethodSubtype> enabledSubtypes = 2953 mSettings.getEnabledInputMethodSubtypeListLocked(mContext, imi, true); 2954 // 1. Search by the current subtype's locale from enabledSubtypes. 2955 if (mCurrentSubtype != null) { 2956 subtype = InputMethodUtils.findLastResortApplicableSubtypeLocked( 2957 mRes, enabledSubtypes, mode, mCurrentSubtype.getLocale(), false); 2958 } 2959 // 2. Search by the system locale from enabledSubtypes. 2960 // 3. Search the first enabled subtype matched with mode from enabledSubtypes. 2961 if (subtype == null) { 2962 subtype = InputMethodUtils.findLastResortApplicableSubtypeLocked( 2963 mRes, enabledSubtypes, mode, null, true); 2964 } 2965 final ArrayList<InputMethodSubtype> overridingImplicitlyEnabledSubtypes = 2966 InputMethodUtils.getOverridingImplicitlyEnabledSubtypes(imi, mode); 2967 final ArrayList<InputMethodSubtype> subtypesForSearch = 2968 overridingImplicitlyEnabledSubtypes.isEmpty() 2969 ? InputMethodUtils.getSubtypes(imi) 2970 : overridingImplicitlyEnabledSubtypes; 2971 // 4. Search by the current subtype's locale from all subtypes. 2972 if (subtype == null && mCurrentSubtype != null) { 2973 subtype = InputMethodUtils.findLastResortApplicableSubtypeLocked( 2974 mRes, subtypesForSearch, mode, mCurrentSubtype.getLocale(), false); 2975 } 2976 // 5. Search by the system locale from all subtypes. 2977 // 6. Search the first enabled subtype matched with mode from all subtypes. 2978 if (subtype == null) { 2979 subtype = InputMethodUtils.findLastResortApplicableSubtypeLocked( 2980 mRes, subtypesForSearch, mode, null, true); 2981 } 2982 if (subtype != null) { 2983 if (imiId.equals(mCurMethodId)) { 2984 // The current input method is the most applicable IME. 2985 mostApplicableIMI = imi; 2986 mostApplicableSubtype = subtype; 2987 break; 2988 } else if (!foundInSystemIME) { 2989 // The system input method is 2nd applicable IME. 2990 mostApplicableIMI = imi; 2991 mostApplicableSubtype = subtype; 2992 if ((imi.getServiceInfo().applicationInfo.flags 2993 & ApplicationInfo.FLAG_SYSTEM) != 0) { 2994 foundInSystemIME = true; 2995 } 2996 } 2997 } 2998 } 2999 if (DEBUG) { 3000 if (mostApplicableIMI != null) { 3001 Slog.w(TAG, "Most applicable shortcut input method was:" 3002 + mostApplicableIMI.getId()); 3003 if (mostApplicableSubtype != null) { 3004 Slog.w(TAG, "Most applicable shortcut input method subtype was:" 3005 + "," + mostApplicableSubtype.getMode() + "," 3006 + mostApplicableSubtype.getLocale()); 3007 } 3008 } 3009 } 3010 if (mostApplicableIMI != null) { 3011 return new Pair<InputMethodInfo, InputMethodSubtype> (mostApplicableIMI, 3012 mostApplicableSubtype); 3013 } else { 3014 return null; 3015 } 3016 } 3017 3018 /** 3019 * @return Return the current subtype of this input method. 3020 */ 3021 @Override 3022 public InputMethodSubtype getCurrentInputMethodSubtype() { 3023 // TODO: Make this work even for non-current users? 3024 if (!calledFromValidUser()) { 3025 return null; 3026 } 3027 synchronized (mMethodMap) { 3028 return getCurrentInputMethodSubtypeLocked(); 3029 } 3030 } 3031 3032 private InputMethodSubtype getCurrentInputMethodSubtypeLocked() { 3033 if (mCurMethodId == null) { 3034 return null; 3035 } 3036 final boolean subtypeIsSelected = mSettings.isSubtypeSelected(); 3037 final InputMethodInfo imi = mMethodMap.get(mCurMethodId); 3038 if (imi == null || imi.getSubtypeCount() == 0) { 3039 return null; 3040 } 3041 if (!subtypeIsSelected || mCurrentSubtype == null 3042 || !InputMethodUtils.isValidSubtypeId(imi, mCurrentSubtype.hashCode())) { 3043 int subtypeId = mSettings.getSelectedInputMethodSubtypeId(mCurMethodId); 3044 if (subtypeId == NOT_A_SUBTYPE_ID) { 3045 // If there are no selected subtypes, the framework will try to find 3046 // the most applicable subtype from explicitly or implicitly enabled 3047 // subtypes. 3048 List<InputMethodSubtype> explicitlyOrImplicitlyEnabledSubtypes = 3049 mSettings.getEnabledInputMethodSubtypeListLocked(mContext, imi, true); 3050 // If there is only one explicitly or implicitly enabled subtype, 3051 // just returns it. 3052 if (explicitlyOrImplicitlyEnabledSubtypes.size() == 1) { 3053 mCurrentSubtype = explicitlyOrImplicitlyEnabledSubtypes.get(0); 3054 } else if (explicitlyOrImplicitlyEnabledSubtypes.size() > 1) { 3055 mCurrentSubtype = InputMethodUtils.findLastResortApplicableSubtypeLocked( 3056 mRes, explicitlyOrImplicitlyEnabledSubtypes, 3057 InputMethodUtils.SUBTYPE_MODE_KEYBOARD, null, true); 3058 if (mCurrentSubtype == null) { 3059 mCurrentSubtype = InputMethodUtils.findLastResortApplicableSubtypeLocked( 3060 mRes, explicitlyOrImplicitlyEnabledSubtypes, null, null, 3061 true); 3062 } 3063 } 3064 } else { 3065 mCurrentSubtype = InputMethodUtils.getSubtypes(imi).get(subtypeId); 3066 } 3067 } 3068 return mCurrentSubtype; 3069 } 3070 3071 private void addShortcutInputMethodAndSubtypes(InputMethodInfo imi, 3072 InputMethodSubtype subtype) { 3073 if (mShortcutInputMethodsAndSubtypes.containsKey(imi)) { 3074 mShortcutInputMethodsAndSubtypes.get(imi).add(subtype); 3075 } else { 3076 ArrayList<InputMethodSubtype> subtypes = new ArrayList<InputMethodSubtype>(); 3077 subtypes.add(subtype); 3078 mShortcutInputMethodsAndSubtypes.put(imi, subtypes); 3079 } 3080 } 3081 3082 // TODO: We should change the return type from List to List<Parcelable> 3083 @SuppressWarnings("rawtypes") 3084 @Override 3085 public List getShortcutInputMethodsAndSubtypes() { 3086 synchronized (mMethodMap) { 3087 ArrayList<Object> ret = new ArrayList<Object>(); 3088 if (mShortcutInputMethodsAndSubtypes.size() == 0) { 3089 // If there are no selected shortcut subtypes, the framework will try to find 3090 // the most applicable subtype from all subtypes whose mode is 3091 // SUBTYPE_MODE_VOICE. This is an exceptional case, so we will hardcode the mode. 3092 Pair<InputMethodInfo, InputMethodSubtype> info = 3093 findLastResortApplicableShortcutInputMethodAndSubtypeLocked( 3094 InputMethodUtils.SUBTYPE_MODE_VOICE); 3095 if (info != null) { 3096 ret.add(info.first); 3097 ret.add(info.second); 3098 } 3099 return ret; 3100 } 3101 for (InputMethodInfo imi: mShortcutInputMethodsAndSubtypes.keySet()) { 3102 ret.add(imi); 3103 for (InputMethodSubtype subtype: mShortcutInputMethodsAndSubtypes.get(imi)) { 3104 ret.add(subtype); 3105 } 3106 } 3107 return ret; 3108 } 3109 } 3110 3111 @Override 3112 public boolean setCurrentInputMethodSubtype(InputMethodSubtype subtype) { 3113 // TODO: Make this work even for non-current users? 3114 if (!calledFromValidUser()) { 3115 return false; 3116 } 3117 synchronized (mMethodMap) { 3118 if (subtype != null && mCurMethodId != null) { 3119 InputMethodInfo imi = mMethodMap.get(mCurMethodId); 3120 int subtypeId = InputMethodUtils.getSubtypeIdFromHashCode(imi, subtype.hashCode()); 3121 if (subtypeId != NOT_A_SUBTYPE_ID) { 3122 setInputMethodLocked(mCurMethodId, subtypeId); 3123 return true; 3124 } 3125 } 3126 return false; 3127 } 3128 } 3129 3130 private static class InputMethodAndSubtypeListManager { 3131 private final Context mContext; 3132 // Used to load label 3133 private final PackageManager mPm; 3134 private final InputMethodManagerService mImms; 3135 private final String mSystemLocaleStr; 3136 public InputMethodAndSubtypeListManager(Context context, InputMethodManagerService imms) { 3137 mContext = context; 3138 mPm = context.getPackageManager(); 3139 mImms = imms; 3140 final Locale locale = context.getResources().getConfiguration().locale; 3141 mSystemLocaleStr = locale != null ? locale.toString() : ""; 3142 } 3143 3144 private final TreeMap<InputMethodInfo, List<InputMethodSubtype>> mSortedImmis = 3145 new TreeMap<InputMethodInfo, List<InputMethodSubtype>>( 3146 new Comparator<InputMethodInfo>() { 3147 @Override 3148 public int compare(InputMethodInfo imi1, InputMethodInfo imi2) { 3149 if (imi2 == null) return 0; 3150 if (imi1 == null) return 1; 3151 if (mPm == null) { 3152 return imi1.getId().compareTo(imi2.getId()); 3153 } 3154 CharSequence imiId1 = imi1.loadLabel(mPm) + "/" + imi1.getId(); 3155 CharSequence imiId2 = imi2.loadLabel(mPm) + "/" + imi2.getId(); 3156 return imiId1.toString().compareTo(imiId2.toString()); 3157 } 3158 }); 3159 3160 public ImeSubtypeListItem getNextInputMethod( 3161 boolean onlyCurrentIme, InputMethodInfo imi, InputMethodSubtype subtype) { 3162 if (imi == null) { 3163 return null; 3164 } 3165 final List<ImeSubtypeListItem> imList = getSortedInputMethodAndSubtypeList(); 3166 if (imList.size() <= 1) { 3167 return null; 3168 } 3169 final int N = imList.size(); 3170 final int currentSubtypeId = subtype != null 3171 ? InputMethodUtils.getSubtypeIdFromHashCode(imi, subtype.hashCode()) 3172 : NOT_A_SUBTYPE_ID; 3173 for (int i = 0; i < N; ++i) { 3174 final ImeSubtypeListItem isli = imList.get(i); 3175 if (isli.mImi.equals(imi) && isli.mSubtypeId == currentSubtypeId) { 3176 if (!onlyCurrentIme) { 3177 return imList.get((i + 1) % N); 3178 } 3179 for (int j = 0; j < N - 1; ++j) { 3180 final ImeSubtypeListItem candidate = imList.get((i + j + 1) % N); 3181 if (candidate.mImi.equals(imi)) { 3182 return candidate; 3183 } 3184 } 3185 return null; 3186 } 3187 } 3188 return null; 3189 } 3190 3191 public List<ImeSubtypeListItem> getSortedInputMethodAndSubtypeList() { 3192 return getSortedInputMethodAndSubtypeList(true, false, false); 3193 } 3194 3195 public List<ImeSubtypeListItem> getSortedInputMethodAndSubtypeList(boolean showSubtypes, 3196 boolean inputShown, boolean isScreenLocked) { 3197 final ArrayList<ImeSubtypeListItem> imList = new ArrayList<ImeSubtypeListItem>(); 3198 final HashMap<InputMethodInfo, List<InputMethodSubtype>> immis = 3199 mImms.getExplicitlyOrImplicitlyEnabledInputMethodsAndSubtypeListLocked(); 3200 if (immis == null || immis.size() == 0) { 3201 return Collections.emptyList(); 3202 } 3203 mSortedImmis.clear(); 3204 mSortedImmis.putAll(immis); 3205 for (InputMethodInfo imi : mSortedImmis.keySet()) { 3206 if (imi == null) continue; 3207 List<InputMethodSubtype> explicitlyOrImplicitlyEnabledSubtypeList = immis.get(imi); 3208 HashSet<String> enabledSubtypeSet = new HashSet<String>(); 3209 for (InputMethodSubtype subtype: explicitlyOrImplicitlyEnabledSubtypeList) { 3210 enabledSubtypeSet.add(String.valueOf(subtype.hashCode())); 3211 } 3212 final CharSequence imeLabel = imi.loadLabel(mPm); 3213 if (showSubtypes && enabledSubtypeSet.size() > 0) { 3214 final int subtypeCount = imi.getSubtypeCount(); 3215 if (DEBUG) { 3216 Slog.v(TAG, "Add subtypes: " + subtypeCount + ", " + imi.getId()); 3217 } 3218 for (int j = 0; j < subtypeCount; ++j) { 3219 final InputMethodSubtype subtype = imi.getSubtypeAt(j); 3220 final String subtypeHashCode = String.valueOf(subtype.hashCode()); 3221 // We show all enabled IMEs and subtypes when an IME is shown. 3222 if (enabledSubtypeSet.contains(subtypeHashCode) 3223 && ((inputShown && !isScreenLocked) || !subtype.isAuxiliary())) { 3224 final CharSequence subtypeLabel = 3225 subtype.overridesImplicitlyEnabledSubtype() ? null 3226 : subtype.getDisplayName(mContext, imi.getPackageName(), 3227 imi.getServiceInfo().applicationInfo); 3228 imList.add(new ImeSubtypeListItem(imeLabel, subtypeLabel, imi, j, 3229 subtype.getLocale(), mSystemLocaleStr)); 3230 3231 // Removing this subtype from enabledSubtypeSet because we no longer 3232 // need to add an entry of this subtype to imList to avoid duplicated 3233 // entries. 3234 enabledSubtypeSet.remove(subtypeHashCode); 3235 } 3236 } 3237 } else { 3238 imList.add(new ImeSubtypeListItem(imeLabel, null, imi, NOT_A_SUBTYPE_ID, 3239 null, mSystemLocaleStr)); 3240 } 3241 } 3242 Collections.sort(imList); 3243 return imList; 3244 } 3245 } 3246 3247 // TODO: Cache the state for each user and reset when the cached user is removed. 3248 private static class InputMethodFileManager { 3249 private static final String SYSTEM_PATH = "system"; 3250 private static final String INPUT_METHOD_PATH = "inputmethod"; 3251 private static final String ADDITIONAL_SUBTYPES_FILE_NAME = "subtypes.xml"; 3252 private static final String NODE_SUBTYPES = "subtypes"; 3253 private static final String NODE_SUBTYPE = "subtype"; 3254 private static final String NODE_IMI = "imi"; 3255 private static final String ATTR_ID = "id"; 3256 private static final String ATTR_LABEL = "label"; 3257 private static final String ATTR_ICON = "icon"; 3258 private static final String ATTR_IME_SUBTYPE_LOCALE = "imeSubtypeLocale"; 3259 private static final String ATTR_IME_SUBTYPE_MODE = "imeSubtypeMode"; 3260 private static final String ATTR_IME_SUBTYPE_EXTRA_VALUE = "imeSubtypeExtraValue"; 3261 private static final String ATTR_IS_AUXILIARY = "isAuxiliary"; 3262 private final AtomicFile mAdditionalInputMethodSubtypeFile; 3263 private final HashMap<String, InputMethodInfo> mMethodMap; 3264 private final HashMap<String, List<InputMethodSubtype>> mAdditionalSubtypesMap = 3265 new HashMap<String, List<InputMethodSubtype>>(); 3266 public InputMethodFileManager(HashMap<String, InputMethodInfo> methodMap, int userId) { 3267 if (methodMap == null) { 3268 throw new NullPointerException("methodMap is null"); 3269 } 3270 mMethodMap = methodMap; 3271 final File systemDir = userId == UserHandle.USER_OWNER 3272 ? new File(Environment.getDataDirectory(), SYSTEM_PATH) 3273 : Environment.getUserSystemDirectory(userId); 3274 final File inputMethodDir = new File(systemDir, INPUT_METHOD_PATH); 3275 if (!inputMethodDir.mkdirs()) { 3276 Slog.w(TAG, "Couldn't create dir.: " + inputMethodDir.getAbsolutePath()); 3277 } 3278 final File subtypeFile = new File(inputMethodDir, ADDITIONAL_SUBTYPES_FILE_NAME); 3279 mAdditionalInputMethodSubtypeFile = new AtomicFile(subtypeFile); 3280 if (!subtypeFile.exists()) { 3281 // If "subtypes.xml" doesn't exist, create a blank file. 3282 writeAdditionalInputMethodSubtypes( 3283 mAdditionalSubtypesMap, mAdditionalInputMethodSubtypeFile, methodMap); 3284 } else { 3285 readAdditionalInputMethodSubtypes( 3286 mAdditionalSubtypesMap, mAdditionalInputMethodSubtypeFile); 3287 } 3288 } 3289 3290 private void deleteAllInputMethodSubtypes(String imiId) { 3291 synchronized (mMethodMap) { 3292 mAdditionalSubtypesMap.remove(imiId); 3293 writeAdditionalInputMethodSubtypes( 3294 mAdditionalSubtypesMap, mAdditionalInputMethodSubtypeFile, mMethodMap); 3295 } 3296 } 3297 3298 public void addInputMethodSubtypes( 3299 InputMethodInfo imi, InputMethodSubtype[] additionalSubtypes) { 3300 synchronized (mMethodMap) { 3301 final ArrayList<InputMethodSubtype> subtypes = new ArrayList<InputMethodSubtype>(); 3302 final int N = additionalSubtypes.length; 3303 for (int i = 0; i < N; ++i) { 3304 final InputMethodSubtype subtype = additionalSubtypes[i]; 3305 if (!subtypes.contains(subtype)) { 3306 subtypes.add(subtype); 3307 } else { 3308 Slog.w(TAG, "Duplicated subtype definition found: " 3309 + subtype.getLocale() + ", " + subtype.getMode()); 3310 } 3311 } 3312 mAdditionalSubtypesMap.put(imi.getId(), subtypes); 3313 writeAdditionalInputMethodSubtypes( 3314 mAdditionalSubtypesMap, mAdditionalInputMethodSubtypeFile, mMethodMap); 3315 } 3316 } 3317 3318 public HashMap<String, List<InputMethodSubtype>> getAllAdditionalInputMethodSubtypes() { 3319 synchronized (mMethodMap) { 3320 return mAdditionalSubtypesMap; 3321 } 3322 } 3323 3324 private static void writeAdditionalInputMethodSubtypes( 3325 HashMap<String, List<InputMethodSubtype>> allSubtypes, AtomicFile subtypesFile, 3326 HashMap<String, InputMethodInfo> methodMap) { 3327 // Safety net for the case that this function is called before methodMap is set. 3328 final boolean isSetMethodMap = methodMap != null && methodMap.size() > 0; 3329 FileOutputStream fos = null; 3330 try { 3331 fos = subtypesFile.startWrite(); 3332 final XmlSerializer out = new FastXmlSerializer(); 3333 out.setOutput(fos, "utf-8"); 3334 out.startDocument(null, true); 3335 out.setFeature("http://xmlpull.org/v1/doc/features.html#indent-output", true); 3336 out.startTag(null, NODE_SUBTYPES); 3337 for (String imiId : allSubtypes.keySet()) { 3338 if (isSetMethodMap && !methodMap.containsKey(imiId)) { 3339 Slog.w(TAG, "IME uninstalled or not valid.: " + imiId); 3340 continue; 3341 } 3342 out.startTag(null, NODE_IMI); 3343 out.attribute(null, ATTR_ID, imiId); 3344 final List<InputMethodSubtype> subtypesList = allSubtypes.get(imiId); 3345 final int N = subtypesList.size(); 3346 for (int i = 0; i < N; ++i) { 3347 final InputMethodSubtype subtype = subtypesList.get(i); 3348 out.startTag(null, NODE_SUBTYPE); 3349 out.attribute(null, ATTR_ICON, String.valueOf(subtype.getIconResId())); 3350 out.attribute(null, ATTR_LABEL, String.valueOf(subtype.getNameResId())); 3351 out.attribute(null, ATTR_IME_SUBTYPE_LOCALE, subtype.getLocale()); 3352 out.attribute(null, ATTR_IME_SUBTYPE_MODE, subtype.getMode()); 3353 out.attribute(null, ATTR_IME_SUBTYPE_EXTRA_VALUE, subtype.getExtraValue()); 3354 out.attribute(null, ATTR_IS_AUXILIARY, 3355 String.valueOf(subtype.isAuxiliary() ? 1 : 0)); 3356 out.endTag(null, NODE_SUBTYPE); 3357 } 3358 out.endTag(null, NODE_IMI); 3359 } 3360 out.endTag(null, NODE_SUBTYPES); 3361 out.endDocument(); 3362 subtypesFile.finishWrite(fos); 3363 } catch (java.io.IOException e) { 3364 Slog.w(TAG, "Error writing subtypes", e); 3365 if (fos != null) { 3366 subtypesFile.failWrite(fos); 3367 } 3368 } 3369 } 3370 3371 private static void readAdditionalInputMethodSubtypes( 3372 HashMap<String, List<InputMethodSubtype>> allSubtypes, AtomicFile subtypesFile) { 3373 if (allSubtypes == null || subtypesFile == null) return; 3374 allSubtypes.clear(); 3375 FileInputStream fis = null; 3376 try { 3377 fis = subtypesFile.openRead(); 3378 final XmlPullParser parser = Xml.newPullParser(); 3379 parser.setInput(fis, null); 3380 int type = parser.getEventType(); 3381 // Skip parsing until START_TAG 3382 while ((type = parser.next()) != XmlPullParser.START_TAG 3383 && type != XmlPullParser.END_DOCUMENT) {} 3384 String firstNodeName = parser.getName(); 3385 if (!NODE_SUBTYPES.equals(firstNodeName)) { 3386 throw new XmlPullParserException("Xml doesn't start with subtypes"); 3387 } 3388 final int depth =parser.getDepth(); 3389 String currentImiId = null; 3390 ArrayList<InputMethodSubtype> tempSubtypesArray = null; 3391 while (((type = parser.next()) != XmlPullParser.END_TAG 3392 || parser.getDepth() > depth) && type != XmlPullParser.END_DOCUMENT) { 3393 if (type != XmlPullParser.START_TAG) 3394 continue; 3395 final String nodeName = parser.getName(); 3396 if (NODE_IMI.equals(nodeName)) { 3397 currentImiId = parser.getAttributeValue(null, ATTR_ID); 3398 if (TextUtils.isEmpty(currentImiId)) { 3399 Slog.w(TAG, "Invalid imi id found in subtypes.xml"); 3400 continue; 3401 } 3402 tempSubtypesArray = new ArrayList<InputMethodSubtype>(); 3403 allSubtypes.put(currentImiId, tempSubtypesArray); 3404 } else if (NODE_SUBTYPE.equals(nodeName)) { 3405 if (TextUtils.isEmpty(currentImiId) || tempSubtypesArray == null) { 3406 Slog.w(TAG, "IME uninstalled or not valid.: " + currentImiId); 3407 continue; 3408 } 3409 final int icon = Integer.valueOf( 3410 parser.getAttributeValue(null, ATTR_ICON)); 3411 final int label = Integer.valueOf( 3412 parser.getAttributeValue(null, ATTR_LABEL)); 3413 final String imeSubtypeLocale = 3414 parser.getAttributeValue(null, ATTR_IME_SUBTYPE_LOCALE); 3415 final String imeSubtypeMode = 3416 parser.getAttributeValue(null, ATTR_IME_SUBTYPE_MODE); 3417 final String imeSubtypeExtraValue = 3418 parser.getAttributeValue(null, ATTR_IME_SUBTYPE_EXTRA_VALUE); 3419 final boolean isAuxiliary = "1".equals(String.valueOf( 3420 parser.getAttributeValue(null, ATTR_IS_AUXILIARY))); 3421 final InputMethodSubtype subtype = 3422 new InputMethodSubtype(label, icon, imeSubtypeLocale, 3423 imeSubtypeMode, imeSubtypeExtraValue, isAuxiliary); 3424 tempSubtypesArray.add(subtype); 3425 } 3426 } 3427 } catch (XmlPullParserException e) { 3428 Slog.w(TAG, "Error reading subtypes: " + e); 3429 return; 3430 } catch (java.io.IOException e) { 3431 Slog.w(TAG, "Error reading subtypes: " + e); 3432 return; 3433 } catch (NumberFormatException e) { 3434 Slog.w(TAG, "Error reading subtypes: " + e); 3435 return; 3436 } finally { 3437 if (fis != null) { 3438 try { 3439 fis.close(); 3440 } catch (java.io.IOException e1) { 3441 Slog.w(TAG, "Failed to close."); 3442 } 3443 } 3444 } 3445 } 3446 } 3447 3448 // ---------------------------------------------------------------------- 3449 // Utilities for debug 3450 private static String getStackTrace() { 3451 final StringBuilder sb = new StringBuilder(); 3452 try { 3453 throw new RuntimeException(); 3454 } catch (RuntimeException e) { 3455 final StackTraceElement[] frames = e.getStackTrace(); 3456 // Start at 1 because the first frame is here and we don't care about it 3457 for (int j = 1; j < frames.length; ++j) { 3458 sb.append(frames[j].toString() + "\n"); 3459 } 3460 } 3461 return sb.toString(); 3462 } 3463 3464 @Override 3465 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 3466 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 3467 != PackageManager.PERMISSION_GRANTED) { 3468 3469 pw.println("Permission Denial: can't dump InputMethodManager from from pid=" 3470 + Binder.getCallingPid() 3471 + ", uid=" + Binder.getCallingUid()); 3472 return; 3473 } 3474 3475 IInputMethod method; 3476 ClientState client; 3477 3478 final Printer p = new PrintWriterPrinter(pw); 3479 3480 synchronized (mMethodMap) { 3481 p.println("Current Input Method Manager state:"); 3482 int N = mMethodList.size(); 3483 p.println(" Input Methods:"); 3484 for (int i=0; i<N; i++) { 3485 InputMethodInfo info = mMethodList.get(i); 3486 p.println(" InputMethod #" + i + ":"); 3487 info.dump(p, " "); 3488 } 3489 p.println(" Clients:"); 3490 for (ClientState ci : mClients.values()) { 3491 p.println(" Client " + ci + ":"); 3492 p.println(" client=" + ci.client); 3493 p.println(" inputContext=" + ci.inputContext); 3494 p.println(" sessionRequested=" + ci.sessionRequested); 3495 p.println(" curSession=" + ci.curSession); 3496 } 3497 p.println(" mCurMethodId=" + mCurMethodId); 3498 client = mCurClient; 3499 p.println(" mCurClient=" + client + " mCurSeq=" + mCurSeq); 3500 p.println(" mCurFocusedWindow=" + mCurFocusedWindow); 3501 p.println(" mCurId=" + mCurId + " mHaveConnect=" + mHaveConnection 3502 + " mBoundToMethod=" + mBoundToMethod); 3503 p.println(" mCurToken=" + mCurToken); 3504 p.println(" mCurIntent=" + mCurIntent); 3505 method = mCurMethod; 3506 p.println(" mCurMethod=" + mCurMethod); 3507 p.println(" mEnabledSession=" + mEnabledSession); 3508 p.println(" mShowRequested=" + mShowRequested 3509 + " mShowExplicitlyRequested=" + mShowExplicitlyRequested 3510 + " mShowForced=" + mShowForced 3511 + " mInputShown=" + mInputShown); 3512 p.println(" mSystemReady=" + mSystemReady + " mScreenOn=" + mScreenOn); 3513 } 3514 3515 p.println(" "); 3516 if (client != null) { 3517 pw.flush(); 3518 try { 3519 client.client.asBinder().dump(fd, args); 3520 } catch (RemoteException e) { 3521 p.println("Input method client dead: " + e); 3522 } 3523 } else { 3524 p.println("No input method client."); 3525 } 3526 3527 p.println(" "); 3528 if (method != null) { 3529 pw.flush(); 3530 try { 3531 method.asBinder().dump(fd, args); 3532 } catch (RemoteException e) { 3533 p.println("Input method service dead: " + e); 3534 } 3535 } else { 3536 p.println("No input method service."); 3537 } 3538 } 3539} 3540