InputMethodManagerService.java revision cd75706117432e33d11639e675bcff50479a6bb9
1/* 2 * 3 * Licensed under the Apache License, Version 2.0 (the "License"); you may not 4 * use this file except in compliance with the License. You may obtain a copy of 5 * the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT 11 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the 12 * License for the specific language governing permissions and limitations under 13 * the License. 14 */ 15 16package com.android.server; 17 18import com.android.internal.content.PackageMonitor; 19import com.android.internal.os.HandlerCaller; 20import com.android.internal.os.SomeArgs; 21import com.android.internal.util.FastXmlSerializer; 22import com.android.internal.view.IInputContext; 23import com.android.internal.view.IInputMethod; 24import com.android.internal.view.IInputMethodCallback; 25import com.android.internal.view.IInputMethodClient; 26import com.android.internal.view.IInputMethodManager; 27import com.android.internal.view.IInputMethodSession; 28import com.android.internal.view.InputBindResult; 29import com.android.server.EventLogTags; 30import com.android.server.wm.WindowManagerService; 31 32import org.xmlpull.v1.XmlPullParser; 33import org.xmlpull.v1.XmlPullParserException; 34import org.xmlpull.v1.XmlSerializer; 35 36import android.app.ActivityManagerNative; 37import android.app.AppGlobals; 38import android.app.AlertDialog; 39import android.app.IUserSwitchObserver; 40import android.app.KeyguardManager; 41import android.app.Notification; 42import android.app.NotificationManager; 43import android.app.PendingIntent; 44import android.content.BroadcastReceiver; 45import android.content.ComponentName; 46import android.content.ContentResolver; 47import android.content.Context; 48import android.content.DialogInterface; 49import android.content.DialogInterface.OnCancelListener; 50import android.content.Intent; 51import android.content.IntentFilter; 52import android.content.ServiceConnection; 53import android.content.pm.ApplicationInfo; 54import android.content.pm.IPackageManager; 55import android.content.pm.PackageManager; 56import android.content.pm.PackageManager.NameNotFoundException; 57import android.content.pm.ResolveInfo; 58import android.content.pm.ServiceInfo; 59import android.content.res.Configuration; 60import android.content.res.Resources; 61import android.content.res.TypedArray; 62import android.database.ContentObserver; 63import android.inputmethodservice.InputMethodService; 64import android.os.Binder; 65import android.os.Environment; 66import android.os.Handler; 67import android.os.IBinder; 68import android.os.IInterface; 69import android.os.IRemoteCallback; 70import android.os.Message; 71import android.os.Process; 72import android.os.Parcel; 73import android.os.RemoteException; 74import android.os.ResultReceiver; 75import android.os.ServiceManager; 76import android.os.SystemClock; 77import android.os.UserHandle; 78import android.provider.Settings; 79import android.provider.Settings.Secure; 80import android.provider.Settings.SettingNotFoundException; 81import android.text.TextUtils; 82import android.text.style.SuggestionSpan; 83import android.util.AtomicFile; 84import android.util.EventLog; 85import android.util.LruCache; 86import android.util.Pair; 87import android.util.PrintWriterPrinter; 88import android.util.Printer; 89import android.util.Slog; 90import android.util.Xml; 91import android.view.IWindowManager; 92import android.view.LayoutInflater; 93import android.view.View; 94import android.view.ViewGroup; 95import android.view.WindowManager; 96import android.view.inputmethod.EditorInfo; 97import android.view.inputmethod.InputBinding; 98import android.view.inputmethod.InputMethod; 99import android.view.inputmethod.InputMethodInfo; 100import android.view.inputmethod.InputMethodManager; 101import android.view.inputmethod.InputMethodSubtype; 102import android.widget.ArrayAdapter; 103import android.widget.CompoundButton; 104import android.widget.CompoundButton.OnCheckedChangeListener; 105import android.widget.RadioButton; 106import android.widget.Switch; 107import android.widget.TextView; 108 109import java.io.File; 110import java.io.FileDescriptor; 111import java.io.FileInputStream; 112import java.io.FileOutputStream; 113import java.io.IOException; 114import java.io.PrintWriter; 115import java.util.ArrayList; 116import java.util.Collections; 117import java.util.Comparator; 118import java.util.HashMap; 119import java.util.HashSet; 120import java.util.List; 121import java.util.Locale; 122import java.util.TreeMap; 123 124/** 125 * This class provides a system service that manages input methods. 126 */ 127public class InputMethodManagerService extends IInputMethodManager.Stub 128 implements ServiceConnection, Handler.Callback { 129 static final boolean DEBUG = false; 130 static final String TAG = "InputMethodManagerService"; 131 132 static final int MSG_SHOW_IM_PICKER = 1; 133 static final int MSG_SHOW_IM_SUBTYPE_PICKER = 2; 134 static final int MSG_SHOW_IM_SUBTYPE_ENABLER = 3; 135 static final int MSG_SHOW_IM_CONFIG = 4; 136 137 static final int MSG_UNBIND_INPUT = 1000; 138 static final int MSG_BIND_INPUT = 1010; 139 static final int MSG_SHOW_SOFT_INPUT = 1020; 140 static final int MSG_HIDE_SOFT_INPUT = 1030; 141 static final int MSG_ATTACH_TOKEN = 1040; 142 static final int MSG_CREATE_SESSION = 1050; 143 144 static final int MSG_START_INPUT = 2000; 145 static final int MSG_RESTART_INPUT = 2010; 146 147 static final int MSG_UNBIND_METHOD = 3000; 148 static final int MSG_BIND_METHOD = 3010; 149 static final int MSG_SET_ACTIVE = 3020; 150 151 static final int MSG_HARD_KEYBOARD_SWITCH_CHANGED = 4000; 152 153 static final long TIME_TO_RECONNECT = 10*1000; 154 155 static final int SECURE_SUGGESTION_SPANS_MAX_SIZE = 20; 156 157 private static final int NOT_A_SUBTYPE_ID = -1; 158 private static final String NOT_A_SUBTYPE_ID_STR = String.valueOf(NOT_A_SUBTYPE_ID); 159 private static final String SUBTYPE_MODE_KEYBOARD = "keyboard"; 160 private static final String SUBTYPE_MODE_VOICE = "voice"; 161 private static final String TAG_TRY_SUPPRESSING_IME_SWITCHER = "TrySuppressingImeSwitcher"; 162 private static final String TAG_ENABLED_WHEN_DEFAULT_IS_NOT_ASCII_CAPABLE = 163 "EnabledWhenDefaultIsNotAsciiCapable"; 164 private static final String TAG_ASCII_CAPABLE = "AsciiCapable"; 165 private static final Locale ENGLISH_LOCALE = new Locale("en"); 166 167 final Context mContext; 168 final Resources mRes; 169 final Handler mHandler; 170 final InputMethodSettings mSettings; 171 final SettingsObserver mSettingsObserver; 172 final IWindowManager mIWindowManager; 173 final HandlerCaller mCaller; 174 private InputMethodFileManager mFileManager; 175 private InputMethodAndSubtypeListManager mImListManager; 176 private final HardKeyboardListener mHardKeyboardListener; 177 private final WindowManagerService mWindowManagerService; 178 179 final InputBindResult mNoBinding = new InputBindResult(null, null, -1); 180 181 // All known input methods. mMethodMap also serves as the global 182 // lock for this class. 183 final ArrayList<InputMethodInfo> mMethodList = new ArrayList<InputMethodInfo>(); 184 final HashMap<String, InputMethodInfo> mMethodMap = new HashMap<String, InputMethodInfo>(); 185 private final LruCache<SuggestionSpan, InputMethodInfo> mSecureSuggestionSpans = 186 new LruCache<SuggestionSpan, InputMethodInfo>(SECURE_SUGGESTION_SPANS_MAX_SIZE); 187 188 // Used to bring IME service up to visible adjustment while it is being shown. 189 final ServiceConnection mVisibleConnection = new ServiceConnection() { 190 @Override public void onServiceConnected(ComponentName name, IBinder service) { 191 } 192 193 @Override public void onServiceDisconnected(ComponentName name) { 194 } 195 }; 196 boolean mVisibleBound = false; 197 198 // Ongoing notification 199 private NotificationManager mNotificationManager; 200 private KeyguardManager mKeyguardManager; 201 private StatusBarManagerService mStatusBar; 202 private Notification mImeSwitcherNotification; 203 private PendingIntent mImeSwitchPendingIntent; 204 private boolean mShowOngoingImeSwitcherForPhones; 205 private boolean mNotificationShown; 206 private final boolean mImeSelectedOnBoot; 207 208 class SessionState { 209 final ClientState client; 210 final IInputMethod method; 211 final IInputMethodSession session; 212 213 @Override 214 public String toString() { 215 return "SessionState{uid " + client.uid + " pid " + client.pid 216 + " method " + Integer.toHexString( 217 System.identityHashCode(method)) 218 + " session " + Integer.toHexString( 219 System.identityHashCode(session)) 220 + "}"; 221 } 222 223 SessionState(ClientState _client, IInputMethod _method, 224 IInputMethodSession _session) { 225 client = _client; 226 method = _method; 227 session = _session; 228 } 229 } 230 231 class ClientState { 232 final IInputMethodClient client; 233 final IInputContext inputContext; 234 final int uid; 235 final int pid; 236 final InputBinding binding; 237 238 boolean sessionRequested; 239 SessionState curSession; 240 241 @Override 242 public String toString() { 243 return "ClientState{" + Integer.toHexString( 244 System.identityHashCode(this)) + " uid " + uid 245 + " pid " + pid + "}"; 246 } 247 248 ClientState(IInputMethodClient _client, IInputContext _inputContext, 249 int _uid, int _pid) { 250 client = _client; 251 inputContext = _inputContext; 252 uid = _uid; 253 pid = _pid; 254 binding = new InputBinding(null, inputContext.asBinder(), uid, pid); 255 } 256 } 257 258 final HashMap<IBinder, ClientState> mClients 259 = new HashMap<IBinder, ClientState>(); 260 261 /** 262 * Set once the system is ready to run third party code. 263 */ 264 boolean mSystemReady; 265 266 /** 267 * Id of the currently selected input method. 268 */ 269 String mCurMethodId; 270 271 /** 272 * The current binding sequence number, incremented every time there is 273 * a new bind performed. 274 */ 275 int mCurSeq; 276 277 /** 278 * The client that is currently bound to an input method. 279 */ 280 ClientState mCurClient; 281 282 /** 283 * The last window token that gained focus. 284 */ 285 IBinder mCurFocusedWindow; 286 287 /** 288 * The input context last provided by the current client. 289 */ 290 IInputContext mCurInputContext; 291 292 /** 293 * The attributes last provided by the current client. 294 */ 295 EditorInfo mCurAttribute; 296 297 /** 298 * The input method ID of the input method service that we are currently 299 * connected to or in the process of connecting to. 300 */ 301 String mCurId; 302 303 /** 304 * The current subtype of the current input method. 305 */ 306 private InputMethodSubtype mCurrentSubtype; 307 308 // This list contains the pairs of InputMethodInfo and InputMethodSubtype. 309 private final HashMap<InputMethodInfo, ArrayList<InputMethodSubtype>> 310 mShortcutInputMethodsAndSubtypes = 311 new HashMap<InputMethodInfo, ArrayList<InputMethodSubtype>>(); 312 313 /** 314 * Set to true if our ServiceConnection is currently actively bound to 315 * a service (whether or not we have gotten its IBinder back yet). 316 */ 317 boolean mHaveConnection; 318 319 /** 320 * Set if the client has asked for the input method to be shown. 321 */ 322 boolean mShowRequested; 323 324 /** 325 * Set if we were explicitly told to show the input method. 326 */ 327 boolean mShowExplicitlyRequested; 328 329 /** 330 * Set if we were forced to be shown. 331 */ 332 boolean mShowForced; 333 334 /** 335 * Set if we last told the input method to show itself. 336 */ 337 boolean mInputShown; 338 339 /** 340 * The Intent used to connect to the current input method. 341 */ 342 Intent mCurIntent; 343 344 /** 345 * The token we have made for the currently active input method, to 346 * identify it in the future. 347 */ 348 IBinder mCurToken; 349 350 /** 351 * If non-null, this is the input method service we are currently connected 352 * to. 353 */ 354 IInputMethod mCurMethod; 355 356 /** 357 * Time that we last initiated a bind to the input method, to determine 358 * if we should try to disconnect and reconnect to it. 359 */ 360 long mLastBindTime; 361 362 /** 363 * Have we called mCurMethod.bindInput()? 364 */ 365 boolean mBoundToMethod; 366 367 /** 368 * Currently enabled session. Only touched by service thread, not 369 * protected by a lock. 370 */ 371 SessionState mEnabledSession; 372 373 /** 374 * True if the screen is on. The value is true initially. 375 */ 376 boolean mScreenOn = true; 377 378 int mBackDisposition = InputMethodService.BACK_DISPOSITION_DEFAULT; 379 int mImeWindowVis; 380 381 private AlertDialog.Builder mDialogBuilder; 382 private AlertDialog mSwitchingDialog; 383 private View mSwitchingDialogTitleView; 384 private InputMethodInfo[] mIms; 385 private int[] mSubtypeIds; 386 private Locale mLastSystemLocale; 387 private final MyPackageMonitor mMyPackageMonitor = new MyPackageMonitor(); 388 private final IPackageManager mIPackageManager; 389 390 class SettingsObserver extends ContentObserver { 391 SettingsObserver(Handler handler) { 392 super(handler); 393 ContentResolver resolver = mContext.getContentResolver(); 394 resolver.registerContentObserver(Settings.Secure.getUriFor( 395 Settings.Secure.DEFAULT_INPUT_METHOD), false, this); 396 resolver.registerContentObserver(Settings.Secure.getUriFor( 397 Settings.Secure.ENABLED_INPUT_METHODS), false, this); 398 resolver.registerContentObserver(Settings.Secure.getUriFor( 399 Settings.Secure.SELECTED_INPUT_METHOD_SUBTYPE), false, this); 400 } 401 402 @Override public void onChange(boolean selfChange) { 403 synchronized (mMethodMap) { 404 updateFromSettingsLocked(); 405 } 406 } 407 } 408 409 class ImmsBroadcastReceiver extends android.content.BroadcastReceiver { 410 private void updateActive() { 411 // Inform the current client of the change in active status 412 if (mCurClient != null && mCurClient.client != null) { 413 executeOrSendMessage(mCurClient.client, mCaller.obtainMessageIO( 414 MSG_SET_ACTIVE, mScreenOn ? 1 : 0, mCurClient)); 415 } 416 } 417 418 @Override 419 public void onReceive(Context context, Intent intent) { 420 final String action = intent.getAction(); 421 if (Intent.ACTION_SCREEN_ON.equals(action)) { 422 mScreenOn = true; 423 refreshImeWindowVisibilityLocked(); 424 updateActive(); 425 return; 426 } else if (Intent.ACTION_SCREEN_OFF.equals(action)) { 427 mScreenOn = false; 428 setImeWindowVisibilityStatusHiddenLocked(); 429 updateActive(); 430 return; 431 } else if (Intent.ACTION_CLOSE_SYSTEM_DIALOGS.equals(action)) { 432 hideInputMethodMenu(); 433 // No need to updateActive 434 return; 435 } else { 436 Slog.w(TAG, "Unexpected intent " + intent); 437 } 438 } 439 } 440 441 class MyPackageMonitor extends PackageMonitor { 442 private boolean isChangingPackagesOfCurrentUser() { 443 final int userId = getChangingUserId(); 444 final boolean retval = userId == mSettings.getCurrentUserId(); 445 if (DEBUG) { 446 Slog.d(TAG, "--- ignore this call back from a background user: " + userId); 447 } 448 return retval; 449 } 450 451 @Override 452 public boolean onHandleForceStop(Intent intent, String[] packages, int uid, boolean doit) { 453 if (!isChangingPackagesOfCurrentUser()) { 454 return false; 455 } 456 synchronized (mMethodMap) { 457 String curInputMethodId = mSettings.getSelectedInputMethod(); 458 final int N = mMethodList.size(); 459 if (curInputMethodId != null) { 460 for (int i=0; i<N; i++) { 461 InputMethodInfo imi = mMethodList.get(i); 462 if (imi.getId().equals(curInputMethodId)) { 463 for (String pkg : packages) { 464 if (imi.getPackageName().equals(pkg)) { 465 if (!doit) { 466 return true; 467 } 468 resetSelectedInputMethodAndSubtypeLocked(""); 469 chooseNewDefaultIMELocked(); 470 return true; 471 } 472 } 473 } 474 } 475 } 476 } 477 return false; 478 } 479 480 @Override 481 public void onSomePackagesChanged() { 482 if (!isChangingPackagesOfCurrentUser()) { 483 return; 484 } 485 synchronized (mMethodMap) { 486 InputMethodInfo curIm = null; 487 String curInputMethodId = mSettings.getSelectedInputMethod(); 488 final int N = mMethodList.size(); 489 if (curInputMethodId != null) { 490 for (int i=0; i<N; i++) { 491 InputMethodInfo imi = mMethodList.get(i); 492 final String imiId = imi.getId(); 493 if (imiId.equals(curInputMethodId)) { 494 curIm = imi; 495 } 496 497 int change = isPackageDisappearing(imi.getPackageName()); 498 if (isPackageModified(imi.getPackageName())) { 499 mFileManager.deleteAllInputMethodSubtypes(imiId); 500 } 501 if (change == PACKAGE_TEMPORARY_CHANGE 502 || change == PACKAGE_PERMANENT_CHANGE) { 503 Slog.i(TAG, "Input method uninstalled, disabling: " 504 + imi.getComponent()); 505 setInputMethodEnabledLocked(imi.getId(), false); 506 } 507 } 508 } 509 510 buildInputMethodListLocked(mMethodList, mMethodMap); 511 512 boolean changed = false; 513 514 if (curIm != null) { 515 int change = isPackageDisappearing(curIm.getPackageName()); 516 if (change == PACKAGE_TEMPORARY_CHANGE 517 || change == PACKAGE_PERMANENT_CHANGE) { 518 ServiceInfo si = null; 519 try { 520 si = mIPackageManager.getServiceInfo( 521 curIm.getComponent(), 0, mSettings.getCurrentUserId()); 522 } catch (RemoteException ex) { 523 } 524 if (si == null) { 525 // Uh oh, current input method is no longer around! 526 // Pick another one... 527 Slog.i(TAG, "Current input method removed: " + curInputMethodId); 528 setImeWindowVisibilityStatusHiddenLocked(); 529 if (!chooseNewDefaultIMELocked()) { 530 changed = true; 531 curIm = null; 532 Slog.i(TAG, "Unsetting current input method"); 533 resetSelectedInputMethodAndSubtypeLocked(""); 534 } 535 } 536 } 537 } 538 539 if (curIm == null) { 540 // We currently don't have a default input method... is 541 // one now available? 542 changed = chooseNewDefaultIMELocked(); 543 } 544 545 if (changed) { 546 updateFromSettingsLocked(); 547 } 548 } 549 } 550 } 551 552 private static class MethodCallback extends IInputMethodCallback.Stub { 553 private final IInputMethod mMethod; 554 private final InputMethodManagerService mParentIMMS; 555 556 MethodCallback(final IInputMethod method, final InputMethodManagerService imms) { 557 mMethod = method; 558 mParentIMMS = imms; 559 } 560 561 @Override 562 public void finishedEvent(int seq, boolean handled) throws RemoteException { 563 } 564 565 @Override 566 public void sessionCreated(IInputMethodSession session) throws RemoteException { 567 mParentIMMS.onSessionCreated(mMethod, session); 568 } 569 } 570 571 private class HardKeyboardListener 572 implements WindowManagerService.OnHardKeyboardStatusChangeListener { 573 @Override 574 public void onHardKeyboardStatusChange(boolean available, boolean enabled) { 575 mHandler.sendMessage(mHandler.obtainMessage( 576 MSG_HARD_KEYBOARD_SWITCH_CHANGED, available ? 1 : 0, enabled ? 1 : 0)); 577 } 578 579 public void handleHardKeyboardStatusChange(boolean available, boolean enabled) { 580 if (DEBUG) { 581 Slog.w(TAG, "HardKeyboardStatusChanged: available = " + available + ", enabled = " 582 + enabled); 583 } 584 synchronized(mMethodMap) { 585 if (mSwitchingDialog != null && mSwitchingDialogTitleView != null 586 && mSwitchingDialog.isShowing()) { 587 mSwitchingDialogTitleView.findViewById( 588 com.android.internal.R.id.hard_keyboard_section).setVisibility( 589 available ? View.VISIBLE : View.GONE); 590 } 591 } 592 } 593 } 594 595 public InputMethodManagerService(Context context, WindowManagerService windowManager) { 596 mIPackageManager = AppGlobals.getPackageManager(); 597 mContext = context; 598 mRes = context.getResources(); 599 mHandler = new Handler(this); 600 mIWindowManager = IWindowManager.Stub.asInterface( 601 ServiceManager.getService(Context.WINDOW_SERVICE)); 602 mCaller = new HandlerCaller(context, new HandlerCaller.Callback() { 603 @Override 604 public void executeMessage(Message msg) { 605 handleMessage(msg); 606 } 607 }); 608 mWindowManagerService = windowManager; 609 mHardKeyboardListener = new HardKeyboardListener(); 610 611 mImeSwitcherNotification = new Notification(); 612 mImeSwitcherNotification.icon = com.android.internal.R.drawable.ic_notification_ime_default; 613 mImeSwitcherNotification.when = 0; 614 mImeSwitcherNotification.flags = Notification.FLAG_ONGOING_EVENT; 615 mImeSwitcherNotification.tickerText = null; 616 mImeSwitcherNotification.defaults = 0; // please be quiet 617 mImeSwitcherNotification.sound = null; 618 mImeSwitcherNotification.vibrate = null; 619 620 // Tag this notification specially so SystemUI knows it's important 621 mImeSwitcherNotification.kind = new String[] { "android.system.imeswitcher" }; 622 623 Intent intent = new Intent(Settings.ACTION_SHOW_INPUT_METHOD_PICKER); 624 mImeSwitchPendingIntent = PendingIntent.getBroadcast(mContext, 0, intent, 0); 625 626 mShowOngoingImeSwitcherForPhones = false; 627 628 final IntentFilter broadcastFilter = new IntentFilter(); 629 broadcastFilter.addAction(Intent.ACTION_SCREEN_ON); 630 broadcastFilter.addAction(Intent.ACTION_SCREEN_OFF); 631 broadcastFilter.addAction(Intent.ACTION_CLOSE_SYSTEM_DIALOGS); 632 mContext.registerReceiver(new ImmsBroadcastReceiver(), broadcastFilter); 633 634 mNotificationShown = false; 635 int userId = 0; 636 try { 637 ActivityManagerNative.getDefault().registerUserSwitchObserver( 638 new IUserSwitchObserver.Stub() { 639 @Override 640 public void onUserSwitching(int newUserId, IRemoteCallback reply) { 641 synchronized(mMethodMap) { 642 switchUserLocked(newUserId); 643 } 644 if (reply != null) { 645 try { 646 reply.sendResult(null); 647 } catch (RemoteException e) { 648 } 649 } 650 } 651 652 @Override 653 public void onUserSwitchComplete(int newUserId) throws RemoteException { 654 } 655 }); 656 userId = ActivityManagerNative.getDefault().getCurrentUser().id; 657 } catch (RemoteException e) { 658 Slog.w(TAG, "Couldn't get current user ID; guessing it's 0", e); 659 } 660 mMyPackageMonitor.register(mContext, null, true); 661 662 // mSettings should be created before buildInputMethodListLocked 663 mSettings = new InputMethodSettings( 664 mRes, context.getContentResolver(), mMethodMap, mMethodList, userId); 665 mFileManager = new InputMethodFileManager(mMethodMap, userId); 666 mImListManager = new InputMethodAndSubtypeListManager(context, this); 667 668 // Just checking if defaultImiId is empty or not 669 final String defaultImiId = mSettings.getSelectedInputMethod(); 670 mImeSelectedOnBoot = !TextUtils.isEmpty(defaultImiId); 671 672 buildInputMethodListLocked(mMethodList, mMethodMap); 673 mSettings.enableAllIMEsIfThereIsNoEnabledIME(); 674 675 if (!mImeSelectedOnBoot) { 676 Slog.w(TAG, "No IME selected. Choose the most applicable IME."); 677 resetDefaultImeLocked(context); 678 } 679 680 mSettingsObserver = new SettingsObserver(mHandler); 681 updateFromSettingsLocked(); 682 683 // IMMS wants to receive Intent.ACTION_LOCALE_CHANGED in order to update the current IME 684 // according to the new system locale. 685 final IntentFilter filter = new IntentFilter(); 686 filter.addAction(Intent.ACTION_LOCALE_CHANGED); 687 mContext.registerReceiver( 688 new BroadcastReceiver() { 689 @Override 690 public void onReceive(Context context, Intent intent) { 691 synchronized(mMethodMap) { 692 checkCurrentLocaleChangedLocked(); 693 } 694 } 695 }, filter); 696 } 697 698 private void resetDefaultImeLocked(Context context) { 699 // Do not reset the default (current) IME when it is a 3rd-party IME 700 if (mCurMethodId != null && !isSystemIme(mMethodMap.get(mCurMethodId))) { 701 return; 702 } 703 704 InputMethodInfo defIm = null; 705 for (InputMethodInfo imi : mMethodList) { 706 if (defIm == null) { 707 if (isValidSystemDefaultIme(imi, context)) { 708 defIm = imi; 709 Slog.i(TAG, "Selected default: " + imi.getId()); 710 } 711 } 712 } 713 if (defIm == null && mMethodList.size() > 0) { 714 defIm = getMostApplicableDefaultIMELocked(); 715 Slog.i(TAG, "No default found, using " + defIm.getId()); 716 } 717 if (defIm != null) { 718 setSelectedInputMethodAndSubtypeLocked(defIm, NOT_A_SUBTYPE_ID, false); 719 } 720 } 721 722 private void resetAllInternalStateLocked(boolean updateOnlyWhenLocaleChanged) { 723 if (!mSystemReady) { 724 // not system ready 725 return; 726 } 727 final Locale newLocale = mRes.getConfiguration().locale; 728 if (!updateOnlyWhenLocaleChanged 729 || (newLocale != null && !newLocale.equals(mLastSystemLocale))) { 730 if (!updateOnlyWhenLocaleChanged) { 731 hideCurrentInputLocked(0, null); 732 mCurMethodId = null; 733 unbindCurrentMethodLocked(true); 734 } 735 if (DEBUG) { 736 Slog.i(TAG, "Locale has been changed to " + newLocale); 737 } 738 // InputMethodAndSubtypeListManager should be reset when the locale is changed. 739 mImListManager = new InputMethodAndSubtypeListManager(mContext, this); 740 buildInputMethodListLocked(mMethodList, mMethodMap); 741 if (!updateOnlyWhenLocaleChanged) { 742 final String selectedImiId = mSettings.getSelectedInputMethod(); 743 if (TextUtils.isEmpty(selectedImiId)) { 744 // This is the first time of the user switch and 745 // set the current ime to the proper one. 746 resetDefaultImeLocked(mContext); 747 } 748 } else { 749 // If the locale is changed, needs to reset the default ime 750 resetDefaultImeLocked(mContext); 751 } 752 updateFromSettingsLocked(); 753 mLastSystemLocale = newLocale; 754 if (!updateOnlyWhenLocaleChanged) { 755 try { 756 startInputInnerLocked(); 757 } catch (RuntimeException e) { 758 Slog.w(TAG, "Unexpected exception", e); 759 } 760 } 761 } 762 } 763 764 private void checkCurrentLocaleChangedLocked() { 765 resetAllInternalStateLocked(true); 766 } 767 768 private void switchUserLocked(int newUserId) { 769 mSettings.setCurrentUserId(newUserId); 770 // InputMethodFileManager should be reset when the user is changed 771 mFileManager = new InputMethodFileManager(mMethodMap, newUserId); 772 resetAllInternalStateLocked(false); 773 } 774 775 private boolean isValidSystemDefaultIme(InputMethodInfo imi, Context context) { 776 if (!mSystemReady) { 777 return false; 778 } 779 if (!isSystemIme(imi)) { 780 return false; 781 } 782 if (imi.getIsDefaultResourceId() != 0) { 783 try { 784 Resources res = context.createPackageContext( 785 imi.getPackageName(), 0).getResources(); 786 if (res.getBoolean(imi.getIsDefaultResourceId()) 787 && containsSubtypeOf(imi, context.getResources().getConfiguration(). 788 locale.getLanguage())) { 789 return true; 790 } 791 } catch (PackageManager.NameNotFoundException ex) { 792 } catch (Resources.NotFoundException ex) { 793 } 794 } 795 if (imi.getSubtypeCount() == 0) { 796 Slog.w(TAG, "Found no subtypes in a system IME: " + imi.getPackageName()); 797 } 798 return false; 799 } 800 801 private static boolean isSystemImeThatHasEnglishSubtype(InputMethodInfo imi) { 802 if (!isSystemIme(imi)) { 803 return false; 804 } 805 return containsSubtypeOf(imi, ENGLISH_LOCALE.getLanguage()); 806 } 807 808 private static boolean containsSubtypeOf(InputMethodInfo imi, String language) { 809 final int N = imi.getSubtypeCount(); 810 for (int i = 0; i < N; ++i) { 811 if (imi.getSubtypeAt(i).getLocale().startsWith(language)) { 812 return true; 813 } 814 } 815 return false; 816 } 817 818 @Override 819 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 820 throws RemoteException { 821 try { 822 return super.onTransact(code, data, reply, flags); 823 } catch (RuntimeException e) { 824 // The input method manager only throws security exceptions, so let's 825 // log all others. 826 if (!(e instanceof SecurityException)) { 827 Slog.e(TAG, "Input Method Manager Crash", e); 828 } 829 throw e; 830 } 831 } 832 833 public void systemReady(StatusBarManagerService statusBar) { 834 synchronized (mMethodMap) { 835 if (DEBUG) { 836 Slog.d(TAG, "--- systemReady"); 837 } 838 if (!mSystemReady) { 839 mSystemReady = true; 840 mKeyguardManager = 841 (KeyguardManager) mContext.getSystemService(Context.KEYGUARD_SERVICE); 842 mNotificationManager = (NotificationManager) 843 mContext.getSystemService(Context.NOTIFICATION_SERVICE); 844 mStatusBar = statusBar; 845 statusBar.setIconVisibility("ime", false); 846 updateImeWindowStatusLocked(); 847 mShowOngoingImeSwitcherForPhones = mRes.getBoolean( 848 com.android.internal.R.bool.show_ongoing_ime_switcher); 849 if (mShowOngoingImeSwitcherForPhones) { 850 mWindowManagerService.setOnHardKeyboardStatusChangeListener( 851 mHardKeyboardListener); 852 } 853 buildInputMethodListLocked(mMethodList, mMethodMap); 854 if (!mImeSelectedOnBoot) { 855 Slog.w(TAG, "Reset the default IME as \"Resource\" is ready here."); 856 checkCurrentLocaleChangedLocked(); 857 } 858 mLastSystemLocale = mRes.getConfiguration().locale; 859 try { 860 startInputInnerLocked(); 861 } catch (RuntimeException e) { 862 Slog.w(TAG, "Unexpected exception", e); 863 } 864 } 865 } 866 } 867 868 private void setImeWindowVisibilityStatusHiddenLocked() { 869 mImeWindowVis = 0; 870 updateImeWindowStatusLocked(); 871 } 872 873 private void refreshImeWindowVisibilityLocked() { 874 final Configuration conf = mRes.getConfiguration(); 875 final boolean haveHardKeyboard = conf.keyboard 876 != Configuration.KEYBOARD_NOKEYS; 877 final boolean hardKeyShown = haveHardKeyboard 878 && conf.hardKeyboardHidden 879 != Configuration.HARDKEYBOARDHIDDEN_YES; 880 final boolean isScreenLocked = mKeyguardManager != null 881 && mKeyguardManager.isKeyguardLocked() 882 && mKeyguardManager.isKeyguardSecure(); 883 mImeWindowVis = (!isScreenLocked && (mInputShown || hardKeyShown)) ? 884 (InputMethodService.IME_ACTIVE | InputMethodService.IME_VISIBLE) : 0; 885 updateImeWindowStatusLocked(); 886 } 887 888 private void updateImeWindowStatusLocked() { 889 setImeWindowStatus(mCurToken, mImeWindowVis, mBackDisposition); 890 } 891 892 // --------------------------------------------------------------------------------------- 893 // Check whether or not this is a valid IPC. Assumes an IPC is valid when either 894 // 1) it comes from the system process 895 // 2) the calling process' user id is identical to the current user id IMMS thinks. 896 private boolean calledFromValidUser() { 897 final int uid = Binder.getCallingUid(); 898 final int userId = UserHandle.getUserId(uid); 899 if (DEBUG) { 900 Slog.d(TAG, "--- calledFromForegroundUserOrSystemProcess ? " 901 + "calling uid = " + uid + " system uid = " + Process.SYSTEM_UID 902 + " calling userId = " + userId + ", foreground user id = " 903 + mSettings.getCurrentUserId() + ", calling pid = " + Binder.getCallingPid()); 904 } 905 if (uid == Process.SYSTEM_UID || userId == mSettings.getCurrentUserId()) { 906 return true; 907 } 908 909 // Caveat: A process which has INTERACT_ACROSS_USERS_FULL gets results for the 910 // foreground user, not for the user of that process. Accordingly InputMethodManagerService 911 // must not manage background users' states in any functions. 912 // Note that privacy-sensitive IPCs, such as setInputMethod, are still securely guarded 913 // by a token. 914 if (mContext.checkCallingOrSelfPermission( 915 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL) 916 == PackageManager.PERMISSION_GRANTED) { 917 if (DEBUG) { 918 Slog.d(TAG, "--- Access granted because the calling process has " 919 + "the INTERACT_ACROSS_USERS_FULL permission"); 920 } 921 return true; 922 } 923 Slog.w(TAG, "--- IPC called from background users. Ignore. \n" + getStackTrace()); 924 return false; 925 } 926 927 private boolean bindCurrentInputMethodService( 928 Intent service, ServiceConnection conn, int flags) { 929 if (service == null || conn == null) { 930 Slog.e(TAG, "--- bind failed: service = " + service + ", conn = " + conn); 931 return false; 932 } 933 return mContext.bindService(service, conn, flags, mSettings.getCurrentUserId()); 934 } 935 936 @Override 937 public List<InputMethodInfo> getInputMethodList() { 938 // TODO: Make this work even for non-current users? 939 if (!calledFromValidUser()) { 940 return Collections.emptyList(); 941 } 942 synchronized (mMethodMap) { 943 return new ArrayList<InputMethodInfo>(mMethodList); 944 } 945 } 946 947 @Override 948 public List<InputMethodInfo> getEnabledInputMethodList() { 949 // TODO: Make this work even for non-current users? 950 if (!calledFromValidUser()) { 951 return Collections.emptyList(); 952 } 953 synchronized (mMethodMap) { 954 return mSettings.getEnabledInputMethodListLocked(); 955 } 956 } 957 958 private HashMap<InputMethodInfo, List<InputMethodSubtype>> 959 getExplicitlyOrImplicitlyEnabledInputMethodsAndSubtypeListLocked() { 960 HashMap<InputMethodInfo, List<InputMethodSubtype>> enabledInputMethodAndSubtypes = 961 new HashMap<InputMethodInfo, List<InputMethodSubtype>>(); 962 for (InputMethodInfo imi: mSettings.getEnabledInputMethodListLocked()) { 963 enabledInputMethodAndSubtypes.put( 964 imi, getEnabledInputMethodSubtypeListLocked(imi, true)); 965 } 966 return enabledInputMethodAndSubtypes; 967 } 968 969 public List<InputMethodSubtype> getEnabledInputMethodSubtypeListLocked(InputMethodInfo imi, 970 boolean allowsImplicitlySelectedSubtypes) { 971 if (imi == null && mCurMethodId != null) { 972 imi = mMethodMap.get(mCurMethodId); 973 } 974 List<InputMethodSubtype> enabledSubtypes = 975 mSettings.getEnabledInputMethodSubtypeListLocked(imi); 976 if (allowsImplicitlySelectedSubtypes && enabledSubtypes.isEmpty()) { 977 enabledSubtypes = getImplicitlyApplicableSubtypesLocked(mRes, imi); 978 } 979 return InputMethodSubtype.sort(mContext, 0, imi, enabledSubtypes); 980 } 981 982 @Override 983 public List<InputMethodSubtype> getEnabledInputMethodSubtypeList(InputMethodInfo imi, 984 boolean allowsImplicitlySelectedSubtypes) { 985 // TODO: Make this work even for non-current users? 986 if (!calledFromValidUser()) { 987 return Collections.emptyList(); 988 } 989 synchronized (mMethodMap) { 990 return getEnabledInputMethodSubtypeListLocked(imi, allowsImplicitlySelectedSubtypes); 991 } 992 } 993 994 @Override 995 public void addClient(IInputMethodClient client, 996 IInputContext inputContext, int uid, int pid) { 997 if (!calledFromValidUser()) { 998 return; 999 } 1000 synchronized (mMethodMap) { 1001 mClients.put(client.asBinder(), new ClientState(client, 1002 inputContext, uid, pid)); 1003 } 1004 } 1005 1006 @Override 1007 public void removeClient(IInputMethodClient client) { 1008 if (!calledFromValidUser()) { 1009 return; 1010 } 1011 synchronized (mMethodMap) { 1012 mClients.remove(client.asBinder()); 1013 } 1014 } 1015 1016 void executeOrSendMessage(IInterface target, Message msg) { 1017 if (target.asBinder() instanceof Binder) { 1018 mCaller.sendMessage(msg); 1019 } else { 1020 handleMessage(msg); 1021 msg.recycle(); 1022 } 1023 } 1024 1025 void unbindCurrentClientLocked() { 1026 if (mCurClient != null) { 1027 if (DEBUG) Slog.v(TAG, "unbindCurrentInputLocked: client = " 1028 + mCurClient.client.asBinder()); 1029 if (mBoundToMethod) { 1030 mBoundToMethod = false; 1031 if (mCurMethod != null) { 1032 executeOrSendMessage(mCurMethod, mCaller.obtainMessageO( 1033 MSG_UNBIND_INPUT, mCurMethod)); 1034 } 1035 } 1036 1037 executeOrSendMessage(mCurClient.client, mCaller.obtainMessageIO( 1038 MSG_SET_ACTIVE, 0, mCurClient)); 1039 executeOrSendMessage(mCurClient.client, mCaller.obtainMessageIO( 1040 MSG_UNBIND_METHOD, mCurSeq, mCurClient.client)); 1041 mCurClient.sessionRequested = false; 1042 mCurClient = null; 1043 1044 hideInputMethodMenuLocked(); 1045 } 1046 } 1047 1048 private int getImeShowFlags() { 1049 int flags = 0; 1050 if (mShowForced) { 1051 flags |= InputMethod.SHOW_FORCED 1052 | InputMethod.SHOW_EXPLICIT; 1053 } else if (mShowExplicitlyRequested) { 1054 flags |= InputMethod.SHOW_EXPLICIT; 1055 } 1056 return flags; 1057 } 1058 1059 private int getAppShowFlags() { 1060 int flags = 0; 1061 if (mShowForced) { 1062 flags |= InputMethodManager.SHOW_FORCED; 1063 } else if (!mShowExplicitlyRequested) { 1064 flags |= InputMethodManager.SHOW_IMPLICIT; 1065 } 1066 return flags; 1067 } 1068 1069 InputBindResult attachNewInputLocked(boolean initial) { 1070 if (!mBoundToMethod) { 1071 executeOrSendMessage(mCurMethod, mCaller.obtainMessageOO( 1072 MSG_BIND_INPUT, mCurMethod, mCurClient.binding)); 1073 mBoundToMethod = true; 1074 } 1075 final SessionState session = mCurClient.curSession; 1076 if (initial) { 1077 executeOrSendMessage(session.method, mCaller.obtainMessageOOO( 1078 MSG_START_INPUT, session, mCurInputContext, mCurAttribute)); 1079 } else { 1080 executeOrSendMessage(session.method, mCaller.obtainMessageOOO( 1081 MSG_RESTART_INPUT, session, mCurInputContext, mCurAttribute)); 1082 } 1083 if (mShowRequested) { 1084 if (DEBUG) Slog.v(TAG, "Attach new input asks to show input"); 1085 showCurrentInputLocked(getAppShowFlags(), null); 1086 } 1087 return new InputBindResult(session.session, mCurId, mCurSeq); 1088 } 1089 1090 InputBindResult startInputLocked(IInputMethodClient client, 1091 IInputContext inputContext, EditorInfo attribute, int controlFlags) { 1092 // If no method is currently selected, do nothing. 1093 if (mCurMethodId == null) { 1094 return mNoBinding; 1095 } 1096 1097 ClientState cs = mClients.get(client.asBinder()); 1098 if (cs == null) { 1099 throw new IllegalArgumentException("unknown client " 1100 + client.asBinder()); 1101 } 1102 1103 try { 1104 if (!mIWindowManager.inputMethodClientHasFocus(cs.client)) { 1105 // Check with the window manager to make sure this client actually 1106 // has a window with focus. If not, reject. This is thread safe 1107 // because if the focus changes some time before or after, the 1108 // next client receiving focus that has any interest in input will 1109 // be calling through here after that change happens. 1110 Slog.w(TAG, "Starting input on non-focused client " + cs.client 1111 + " (uid=" + cs.uid + " pid=" + cs.pid + ")"); 1112 return null; 1113 } 1114 } catch (RemoteException e) { 1115 } 1116 1117 return startInputUncheckedLocked(cs, inputContext, attribute, controlFlags); 1118 } 1119 1120 InputBindResult startInputUncheckedLocked(ClientState cs, 1121 IInputContext inputContext, EditorInfo attribute, int controlFlags) { 1122 // If no method is currently selected, do nothing. 1123 if (mCurMethodId == null) { 1124 return mNoBinding; 1125 } 1126 1127 if (mCurClient != cs) { 1128 // If the client is changing, we need to switch over to the new 1129 // one. 1130 unbindCurrentClientLocked(); 1131 if (DEBUG) Slog.v(TAG, "switching to client: client = " 1132 + cs.client.asBinder()); 1133 1134 // If the screen is on, inform the new client it is active 1135 if (mScreenOn) { 1136 executeOrSendMessage(cs.client, mCaller.obtainMessageIO( 1137 MSG_SET_ACTIVE, mScreenOn ? 1 : 0, cs)); 1138 } 1139 } 1140 1141 // Bump up the sequence for this client and attach it. 1142 mCurSeq++; 1143 if (mCurSeq <= 0) mCurSeq = 1; 1144 mCurClient = cs; 1145 mCurInputContext = inputContext; 1146 mCurAttribute = attribute; 1147 1148 // Check if the input method is changing. 1149 if (mCurId != null && mCurId.equals(mCurMethodId)) { 1150 if (cs.curSession != null) { 1151 // Fast case: if we are already connected to the input method, 1152 // then just return it. 1153 return attachNewInputLocked( 1154 (controlFlags&InputMethodManager.CONTROL_START_INITIAL) != 0); 1155 } 1156 if (mHaveConnection) { 1157 if (mCurMethod != null) { 1158 if (!cs.sessionRequested) { 1159 cs.sessionRequested = true; 1160 if (DEBUG) Slog.v(TAG, "Creating new session for client " + cs); 1161 executeOrSendMessage(mCurMethod, mCaller.obtainMessageOO( 1162 MSG_CREATE_SESSION, mCurMethod, 1163 new MethodCallback(mCurMethod, this))); 1164 } 1165 // Return to client, and we will get back with it when 1166 // we have had a session made for it. 1167 return new InputBindResult(null, mCurId, mCurSeq); 1168 } else if (SystemClock.uptimeMillis() 1169 < (mLastBindTime+TIME_TO_RECONNECT)) { 1170 // In this case we have connected to the service, but 1171 // don't yet have its interface. If it hasn't been too 1172 // long since we did the connection, we'll return to 1173 // the client and wait to get the service interface so 1174 // we can report back. If it has been too long, we want 1175 // to fall through so we can try a disconnect/reconnect 1176 // to see if we can get back in touch with the service. 1177 return new InputBindResult(null, mCurId, mCurSeq); 1178 } else { 1179 EventLog.writeEvent(EventLogTags.IMF_FORCE_RECONNECT_IME, 1180 mCurMethodId, SystemClock.uptimeMillis()-mLastBindTime, 0); 1181 } 1182 } 1183 } 1184 1185 return startInputInnerLocked(); 1186 } 1187 1188 InputBindResult startInputInnerLocked() { 1189 if (mCurMethodId == null) { 1190 return mNoBinding; 1191 } 1192 1193 if (!mSystemReady) { 1194 // If the system is not yet ready, we shouldn't be running third 1195 // party code. 1196 return new InputBindResult(null, mCurMethodId, mCurSeq); 1197 } 1198 1199 InputMethodInfo info = mMethodMap.get(mCurMethodId); 1200 if (info == null) { 1201 throw new IllegalArgumentException("Unknown id: " + mCurMethodId); 1202 } 1203 1204 unbindCurrentMethodLocked(false); 1205 1206 mCurIntent = new Intent(InputMethod.SERVICE_INTERFACE); 1207 mCurIntent.setComponent(info.getComponent()); 1208 mCurIntent.putExtra(Intent.EXTRA_CLIENT_LABEL, 1209 com.android.internal.R.string.input_method_binding_label); 1210 mCurIntent.putExtra(Intent.EXTRA_CLIENT_INTENT, PendingIntent.getActivity( 1211 mContext, 0, new Intent(Settings.ACTION_INPUT_METHOD_SETTINGS), 0)); 1212 if (bindCurrentInputMethodService(mCurIntent, this, Context.BIND_AUTO_CREATE 1213 | Context.BIND_NOT_VISIBLE)) { 1214 mLastBindTime = SystemClock.uptimeMillis(); 1215 mHaveConnection = true; 1216 mCurId = info.getId(); 1217 mCurToken = new Binder(); 1218 try { 1219 if (DEBUG) Slog.v(TAG, "Adding window token: " + mCurToken); 1220 mIWindowManager.addWindowToken(mCurToken, 1221 WindowManager.LayoutParams.TYPE_INPUT_METHOD); 1222 } catch (RemoteException e) { 1223 } 1224 return new InputBindResult(null, mCurId, mCurSeq); 1225 } else { 1226 mCurIntent = null; 1227 Slog.w(TAG, "Failure connecting to input method service: " 1228 + mCurIntent); 1229 } 1230 return null; 1231 } 1232 1233 @Override 1234 public InputBindResult startInput(IInputMethodClient client, 1235 IInputContext inputContext, EditorInfo attribute, int controlFlags) { 1236 if (!calledFromValidUser()) { 1237 return null; 1238 } 1239 synchronized (mMethodMap) { 1240 final long ident = Binder.clearCallingIdentity(); 1241 try { 1242 return startInputLocked(client, inputContext, attribute, controlFlags); 1243 } finally { 1244 Binder.restoreCallingIdentity(ident); 1245 } 1246 } 1247 } 1248 1249 @Override 1250 public void finishInput(IInputMethodClient client) { 1251 } 1252 1253 @Override 1254 public void onServiceConnected(ComponentName name, IBinder service) { 1255 synchronized (mMethodMap) { 1256 if (mCurIntent != null && name.equals(mCurIntent.getComponent())) { 1257 mCurMethod = IInputMethod.Stub.asInterface(service); 1258 if (mCurToken == null) { 1259 Slog.w(TAG, "Service connected without a token!"); 1260 unbindCurrentMethodLocked(false); 1261 return; 1262 } 1263 if (DEBUG) Slog.v(TAG, "Initiating attach with token: " + mCurToken); 1264 executeOrSendMessage(mCurMethod, mCaller.obtainMessageOO( 1265 MSG_ATTACH_TOKEN, mCurMethod, mCurToken)); 1266 if (mCurClient != null) { 1267 if (DEBUG) Slog.v(TAG, "Creating first session while with client " 1268 + mCurClient); 1269 executeOrSendMessage(mCurMethod, mCaller.obtainMessageOO( 1270 MSG_CREATE_SESSION, mCurMethod, 1271 new MethodCallback(mCurMethod, this))); 1272 } 1273 } 1274 } 1275 } 1276 1277 void onSessionCreated(IInputMethod method, IInputMethodSession session) { 1278 synchronized (mMethodMap) { 1279 if (mCurMethod != null && method != null 1280 && mCurMethod.asBinder() == method.asBinder()) { 1281 if (mCurClient != null) { 1282 mCurClient.curSession = new SessionState(mCurClient, 1283 method, session); 1284 mCurClient.sessionRequested = false; 1285 InputBindResult res = attachNewInputLocked(true); 1286 if (res.method != null) { 1287 executeOrSendMessage(mCurClient.client, mCaller.obtainMessageOO( 1288 MSG_BIND_METHOD, mCurClient.client, res)); 1289 } 1290 } 1291 } 1292 } 1293 } 1294 1295 void unbindCurrentMethodLocked(boolean reportToClient) { 1296 if (mVisibleBound) { 1297 mContext.unbindService(mVisibleConnection); 1298 mVisibleBound = false; 1299 } 1300 1301 if (mHaveConnection) { 1302 mContext.unbindService(this); 1303 mHaveConnection = false; 1304 } 1305 1306 if (mCurToken != null) { 1307 try { 1308 if (DEBUG) Slog.v(TAG, "Removing window token: " + mCurToken); 1309 if ((mImeWindowVis & InputMethodService.IME_ACTIVE) != 0) { 1310 // The current IME is shown. Hence an IME switch (transition) is happening. 1311 mWindowManagerService.saveLastInputMethodWindowForTransition(); 1312 } 1313 mIWindowManager.removeWindowToken(mCurToken); 1314 } catch (RemoteException e) { 1315 } 1316 mCurToken = null; 1317 } 1318 1319 mCurId = null; 1320 clearCurMethodLocked(); 1321 1322 if (reportToClient && mCurClient != null) { 1323 executeOrSendMessage(mCurClient.client, mCaller.obtainMessageIO( 1324 MSG_UNBIND_METHOD, mCurSeq, mCurClient.client)); 1325 } 1326 } 1327 1328 private void finishSession(SessionState sessionState) { 1329 if (sessionState != null && sessionState.session != null) { 1330 try { 1331 sessionState.session.finishSession(); 1332 } catch (RemoteException e) { 1333 Slog.w(TAG, "Session failed to close due to remote exception", e); 1334 setImeWindowVisibilityStatusHiddenLocked(); 1335 } 1336 } 1337 } 1338 1339 void clearCurMethodLocked() { 1340 if (mCurMethod != null) { 1341 for (ClientState cs : mClients.values()) { 1342 cs.sessionRequested = false; 1343 finishSession(cs.curSession); 1344 cs.curSession = null; 1345 } 1346 1347 finishSession(mEnabledSession); 1348 mEnabledSession = null; 1349 mCurMethod = null; 1350 } 1351 if (mStatusBar != null) { 1352 mStatusBar.setIconVisibility("ime", false); 1353 } 1354 } 1355 1356 @Override 1357 public void onServiceDisconnected(ComponentName name) { 1358 synchronized (mMethodMap) { 1359 if (DEBUG) Slog.v(TAG, "Service disconnected: " + name 1360 + " mCurIntent=" + mCurIntent); 1361 if (mCurMethod != null && mCurIntent != null 1362 && name.equals(mCurIntent.getComponent())) { 1363 clearCurMethodLocked(); 1364 // We consider this to be a new bind attempt, since the system 1365 // should now try to restart the service for us. 1366 mLastBindTime = SystemClock.uptimeMillis(); 1367 mShowRequested = mInputShown; 1368 mInputShown = false; 1369 if (mCurClient != null) { 1370 executeOrSendMessage(mCurClient.client, mCaller.obtainMessageIO( 1371 MSG_UNBIND_METHOD, mCurSeq, mCurClient.client)); 1372 } 1373 } 1374 } 1375 } 1376 1377 @Override 1378 public void updateStatusIcon(IBinder token, String packageName, int iconId) { 1379 int uid = Binder.getCallingUid(); 1380 long ident = Binder.clearCallingIdentity(); 1381 try { 1382 if (token == null || mCurToken != token) { 1383 Slog.w(TAG, "Ignoring setInputMethod of uid " + uid + " token: " + token); 1384 return; 1385 } 1386 1387 synchronized (mMethodMap) { 1388 if (iconId == 0) { 1389 if (DEBUG) Slog.d(TAG, "hide the small icon for the input method"); 1390 if (mStatusBar != null) { 1391 mStatusBar.setIconVisibility("ime", false); 1392 } 1393 } else if (packageName != null) { 1394 if (DEBUG) Slog.d(TAG, "show a small icon for the input method"); 1395 CharSequence contentDescription = null; 1396 try { 1397 // Use PackageManager to load label 1398 final PackageManager packageManager = mContext.getPackageManager(); 1399 contentDescription = packageManager.getApplicationLabel( 1400 mIPackageManager.getApplicationInfo(packageName, 0, 1401 mSettings.getCurrentUserId())); 1402 } catch (RemoteException e) { 1403 /* ignore */ 1404 } 1405 if (mStatusBar != null) { 1406 mStatusBar.setIcon("ime", packageName, iconId, 0, 1407 contentDescription != null 1408 ? contentDescription.toString() : null); 1409 mStatusBar.setIconVisibility("ime", true); 1410 } 1411 } 1412 } 1413 } finally { 1414 Binder.restoreCallingIdentity(ident); 1415 } 1416 } 1417 1418 private boolean needsToShowImeSwitchOngoingNotification() { 1419 if (!mShowOngoingImeSwitcherForPhones) return false; 1420 if (isScreenLocked()) return false; 1421 synchronized (mMethodMap) { 1422 List<InputMethodInfo> imis = mSettings.getEnabledInputMethodListLocked(); 1423 final int N = imis.size(); 1424 if (N > 2) return true; 1425 if (N < 1) return false; 1426 int nonAuxCount = 0; 1427 int auxCount = 0; 1428 InputMethodSubtype nonAuxSubtype = null; 1429 InputMethodSubtype auxSubtype = null; 1430 for(int i = 0; i < N; ++i) { 1431 final InputMethodInfo imi = imis.get(i); 1432 final List<InputMethodSubtype> subtypes = getEnabledInputMethodSubtypeListLocked( 1433 imi, true); 1434 final int subtypeCount = subtypes.size(); 1435 if (subtypeCount == 0) { 1436 ++nonAuxCount; 1437 } else { 1438 for (int j = 0; j < subtypeCount; ++j) { 1439 final InputMethodSubtype subtype = subtypes.get(j); 1440 if (!subtype.isAuxiliary()) { 1441 ++nonAuxCount; 1442 nonAuxSubtype = subtype; 1443 } else { 1444 ++auxCount; 1445 auxSubtype = subtype; 1446 } 1447 } 1448 } 1449 } 1450 if (nonAuxCount > 1 || auxCount > 1) { 1451 return true; 1452 } else if (nonAuxCount == 1 && auxCount == 1) { 1453 if (nonAuxSubtype != null && auxSubtype != null 1454 && (nonAuxSubtype.getLocale().equals(auxSubtype.getLocale()) 1455 || auxSubtype.overridesImplicitlyEnabledSubtype() 1456 || nonAuxSubtype.overridesImplicitlyEnabledSubtype()) 1457 && nonAuxSubtype.containsExtraValueKey(TAG_TRY_SUPPRESSING_IME_SWITCHER)) { 1458 return false; 1459 } 1460 return true; 1461 } 1462 return false; 1463 } 1464 } 1465 1466 // Caution! This method is called in this class. Handle multi-user carefully 1467 @SuppressWarnings("deprecation") 1468 @Override 1469 public void setImeWindowStatus(IBinder token, int vis, int backDisposition) { 1470 final long ident = Binder.clearCallingIdentity(); 1471 try { 1472 if (token == null || mCurToken != token) { 1473 int uid = Binder.getCallingUid(); 1474 Slog.w(TAG, "Ignoring setImeWindowStatus of uid " + uid + " token: " + token); 1475 return; 1476 } 1477 1478 synchronized (mMethodMap) { 1479 mImeWindowVis = vis; 1480 mBackDisposition = backDisposition; 1481 if (mStatusBar != null) { 1482 mStatusBar.setImeWindowStatus(token, vis, backDisposition); 1483 } 1484 final boolean iconVisibility = (vis & InputMethodService.IME_ACTIVE) != 0; 1485 final InputMethodInfo imi = mMethodMap.get(mCurMethodId); 1486 if (imi != null && iconVisibility && needsToShowImeSwitchOngoingNotification()) { 1487 // Used to load label 1488 final PackageManager pm = mContext.getPackageManager(); 1489 final CharSequence title = mRes.getText( 1490 com.android.internal.R.string.select_input_method); 1491 final CharSequence imiLabel = imi.loadLabel(pm); 1492 final CharSequence summary = mCurrentSubtype != null 1493 ? TextUtils.concat(mCurrentSubtype.getDisplayName(mContext, 1494 imi.getPackageName(), imi.getServiceInfo().applicationInfo), 1495 (TextUtils.isEmpty(imiLabel) ? 1496 "" : " - " + imiLabel)) 1497 : imiLabel; 1498 1499 mImeSwitcherNotification.setLatestEventInfo( 1500 mContext, title, summary, mImeSwitchPendingIntent); 1501 if (mNotificationManager != null) { 1502 if (DEBUG) { 1503 Slog.d(TAG, "--- show notification: label = " + imiLabel 1504 + ", summary = " + summary); 1505 } 1506 mNotificationManager.notifyAsUser(null, 1507 com.android.internal.R.string.select_input_method, 1508 mImeSwitcherNotification, UserHandle.ALL); 1509 mNotificationShown = true; 1510 } 1511 } else { 1512 if (mNotificationShown && mNotificationManager != null) { 1513 if (DEBUG) { 1514 Slog.d(TAG, "--- hide notification"); 1515 } 1516 mNotificationManager.cancelAsUser(null, 1517 com.android.internal.R.string.select_input_method, UserHandle.ALL); 1518 mNotificationShown = false; 1519 } 1520 } 1521 } 1522 } finally { 1523 Binder.restoreCallingIdentity(ident); 1524 } 1525 } 1526 1527 @Override 1528 public void registerSuggestionSpansForNotification(SuggestionSpan[] spans) { 1529 if (!calledFromValidUser()) { 1530 return; 1531 } 1532 synchronized (mMethodMap) { 1533 final InputMethodInfo currentImi = mMethodMap.get(mCurMethodId); 1534 for (int i = 0; i < spans.length; ++i) { 1535 SuggestionSpan ss = spans[i]; 1536 if (!TextUtils.isEmpty(ss.getNotificationTargetClassName())) { 1537 mSecureSuggestionSpans.put(ss, currentImi); 1538 final InputMethodInfo targetImi = mSecureSuggestionSpans.get(ss); 1539 } 1540 } 1541 } 1542 } 1543 1544 @Override 1545 public boolean notifySuggestionPicked(SuggestionSpan span, String originalString, int index) { 1546 if (!calledFromValidUser()) { 1547 return false; 1548 } 1549 synchronized (mMethodMap) { 1550 final InputMethodInfo targetImi = mSecureSuggestionSpans.get(span); 1551 // TODO: Do not send the intent if the process of the targetImi is already dead. 1552 if (targetImi != null) { 1553 final String[] suggestions = span.getSuggestions(); 1554 if (index < 0 || index >= suggestions.length) return false; 1555 final String className = span.getNotificationTargetClassName(); 1556 final Intent intent = new Intent(); 1557 // Ensures that only a class in the original IME package will receive the 1558 // notification. 1559 intent.setClassName(targetImi.getPackageName(), className); 1560 intent.setAction(SuggestionSpan.ACTION_SUGGESTION_PICKED); 1561 intent.putExtra(SuggestionSpan.SUGGESTION_SPAN_PICKED_BEFORE, originalString); 1562 intent.putExtra(SuggestionSpan.SUGGESTION_SPAN_PICKED_AFTER, suggestions[index]); 1563 intent.putExtra(SuggestionSpan.SUGGESTION_SPAN_PICKED_HASHCODE, span.hashCode()); 1564 mContext.sendBroadcastAsUser(intent, UserHandle.CURRENT); 1565 return true; 1566 } 1567 } 1568 return false; 1569 } 1570 1571 void updateFromSettingsLocked() { 1572 // We are assuming that whoever is changing DEFAULT_INPUT_METHOD and 1573 // ENABLED_INPUT_METHODS is taking care of keeping them correctly in 1574 // sync, so we will never have a DEFAULT_INPUT_METHOD that is not 1575 // enabled. 1576 String id = mSettings.getSelectedInputMethod(); 1577 // There is no input method selected, try to choose new applicable input method. 1578 if (TextUtils.isEmpty(id) && chooseNewDefaultIMELocked()) { 1579 id = mSettings.getSelectedInputMethod(); 1580 } 1581 if (!TextUtils.isEmpty(id)) { 1582 try { 1583 setInputMethodLocked(id, getSelectedInputMethodSubtypeId(id)); 1584 } catch (IllegalArgumentException e) { 1585 Slog.w(TAG, "Unknown input method from prefs: " + id, e); 1586 mCurMethodId = null; 1587 unbindCurrentMethodLocked(true); 1588 } 1589 mShortcutInputMethodsAndSubtypes.clear(); 1590 } else { 1591 // There is no longer an input method set, so stop any current one. 1592 mCurMethodId = null; 1593 unbindCurrentMethodLocked(true); 1594 } 1595 } 1596 1597 /* package */ void setInputMethodLocked(String id, int subtypeId) { 1598 InputMethodInfo info = mMethodMap.get(id); 1599 if (info == null) { 1600 throw new IllegalArgumentException("Unknown id: " + id); 1601 } 1602 1603 // See if we need to notify a subtype change within the same IME. 1604 if (id.equals(mCurMethodId)) { 1605 final int subtypeCount = info.getSubtypeCount(); 1606 if (subtypeCount <= 0) { 1607 return; 1608 } 1609 final InputMethodSubtype oldSubtype = mCurrentSubtype; 1610 final InputMethodSubtype newSubtype; 1611 if (subtypeId >= 0 && subtypeId < subtypeCount) { 1612 newSubtype = info.getSubtypeAt(subtypeId); 1613 } else { 1614 // If subtype is null, try to find the most applicable one from 1615 // getCurrentInputMethodSubtype. 1616 newSubtype = getCurrentInputMethodSubtypeLocked(); 1617 } 1618 if (newSubtype == null || oldSubtype == null) { 1619 Slog.w(TAG, "Illegal subtype state: old subtype = " + oldSubtype 1620 + ", new subtype = " + newSubtype); 1621 return; 1622 } 1623 if (newSubtype != oldSubtype) { 1624 setSelectedInputMethodAndSubtypeLocked(info, subtypeId, true); 1625 if (mCurMethod != null) { 1626 try { 1627 refreshImeWindowVisibilityLocked(); 1628 mCurMethod.changeInputMethodSubtype(newSubtype); 1629 } catch (RemoteException e) { 1630 Slog.w(TAG, "Failed to call changeInputMethodSubtype"); 1631 } 1632 } 1633 } 1634 return; 1635 } 1636 1637 // Changing to a different IME. 1638 final long ident = Binder.clearCallingIdentity(); 1639 try { 1640 // Set a subtype to this input method. 1641 // subtypeId the name of a subtype which will be set. 1642 setSelectedInputMethodAndSubtypeLocked(info, subtypeId, false); 1643 // mCurMethodId should be updated after setSelectedInputMethodAndSubtypeLocked() 1644 // because mCurMethodId is stored as a history in 1645 // setSelectedInputMethodAndSubtypeLocked(). 1646 mCurMethodId = id; 1647 1648 if (ActivityManagerNative.isSystemReady()) { 1649 Intent intent = new Intent(Intent.ACTION_INPUT_METHOD_CHANGED); 1650 intent.addFlags(Intent.FLAG_RECEIVER_REPLACE_PENDING); 1651 intent.putExtra("input_method_id", id); 1652 mContext.sendBroadcastAsUser(intent, UserHandle.CURRENT); 1653 } 1654 unbindCurrentClientLocked(); 1655 } finally { 1656 Binder.restoreCallingIdentity(ident); 1657 } 1658 } 1659 1660 @Override 1661 public boolean showSoftInput(IInputMethodClient client, int flags, 1662 ResultReceiver resultReceiver) { 1663 if (!calledFromValidUser()) { 1664 return false; 1665 } 1666 int uid = Binder.getCallingUid(); 1667 long ident = Binder.clearCallingIdentity(); 1668 try { 1669 synchronized (mMethodMap) { 1670 if (mCurClient == null || client == null 1671 || mCurClient.client.asBinder() != client.asBinder()) { 1672 try { 1673 // We need to check if this is the current client with 1674 // focus in the window manager, to allow this call to 1675 // be made before input is started in it. 1676 if (!mIWindowManager.inputMethodClientHasFocus(client)) { 1677 Slog.w(TAG, "Ignoring showSoftInput of uid " + uid + ": " + client); 1678 return false; 1679 } 1680 } catch (RemoteException e) { 1681 return false; 1682 } 1683 } 1684 1685 if (DEBUG) Slog.v(TAG, "Client requesting input be shown"); 1686 return showCurrentInputLocked(flags, resultReceiver); 1687 } 1688 } finally { 1689 Binder.restoreCallingIdentity(ident); 1690 } 1691 } 1692 1693 boolean showCurrentInputLocked(int flags, ResultReceiver resultReceiver) { 1694 mShowRequested = true; 1695 if ((flags&InputMethodManager.SHOW_IMPLICIT) == 0) { 1696 mShowExplicitlyRequested = true; 1697 } 1698 if ((flags&InputMethodManager.SHOW_FORCED) != 0) { 1699 mShowExplicitlyRequested = true; 1700 mShowForced = true; 1701 } 1702 1703 if (!mSystemReady) { 1704 return false; 1705 } 1706 1707 boolean res = false; 1708 if (mCurMethod != null) { 1709 executeOrSendMessage(mCurMethod, mCaller.obtainMessageIOO( 1710 MSG_SHOW_SOFT_INPUT, getImeShowFlags(), mCurMethod, 1711 resultReceiver)); 1712 mInputShown = true; 1713 if (mHaveConnection && !mVisibleBound) { 1714 bindCurrentInputMethodService( 1715 mCurIntent, mVisibleConnection, Context.BIND_AUTO_CREATE); 1716 mVisibleBound = true; 1717 } 1718 res = true; 1719 } else if (mHaveConnection && SystemClock.uptimeMillis() 1720 >= (mLastBindTime+TIME_TO_RECONNECT)) { 1721 // The client has asked to have the input method shown, but 1722 // we have been sitting here too long with a connection to the 1723 // service and no interface received, so let's disconnect/connect 1724 // to try to prod things along. 1725 EventLog.writeEvent(EventLogTags.IMF_FORCE_RECONNECT_IME, mCurMethodId, 1726 SystemClock.uptimeMillis()-mLastBindTime,1); 1727 Slog.w(TAG, "Force disconnect/connect to the IME in showCurrentInputLocked()"); 1728 mContext.unbindService(this); 1729 bindCurrentInputMethodService(mCurIntent, this, Context.BIND_AUTO_CREATE 1730 | Context.BIND_NOT_VISIBLE); 1731 } else { 1732 if (DEBUG) { 1733 Slog.d(TAG, "Can't show input: connection = " + mHaveConnection + ", time = " 1734 + ((mLastBindTime+TIME_TO_RECONNECT) - SystemClock.uptimeMillis())); 1735 } 1736 } 1737 1738 return res; 1739 } 1740 1741 @Override 1742 public boolean hideSoftInput(IInputMethodClient client, int flags, 1743 ResultReceiver resultReceiver) { 1744 if (!calledFromValidUser()) { 1745 return false; 1746 } 1747 int uid = Binder.getCallingUid(); 1748 long ident = Binder.clearCallingIdentity(); 1749 try { 1750 synchronized (mMethodMap) { 1751 if (mCurClient == null || client == null 1752 || mCurClient.client.asBinder() != client.asBinder()) { 1753 try { 1754 // We need to check if this is the current client with 1755 // focus in the window manager, to allow this call to 1756 // be made before input is started in it. 1757 if (!mIWindowManager.inputMethodClientHasFocus(client)) { 1758 if (DEBUG) Slog.w(TAG, "Ignoring hideSoftInput of uid " 1759 + uid + ": " + client); 1760 setImeWindowVisibilityStatusHiddenLocked(); 1761 return false; 1762 } 1763 } catch (RemoteException e) { 1764 setImeWindowVisibilityStatusHiddenLocked(); 1765 return false; 1766 } 1767 } 1768 1769 if (DEBUG) Slog.v(TAG, "Client requesting input be hidden"); 1770 return hideCurrentInputLocked(flags, resultReceiver); 1771 } 1772 } finally { 1773 Binder.restoreCallingIdentity(ident); 1774 } 1775 } 1776 1777 boolean hideCurrentInputLocked(int flags, ResultReceiver resultReceiver) { 1778 if ((flags&InputMethodManager.HIDE_IMPLICIT_ONLY) != 0 1779 && (mShowExplicitlyRequested || mShowForced)) { 1780 if (DEBUG) Slog.v(TAG, 1781 "Not hiding: explicit show not cancelled by non-explicit hide"); 1782 return false; 1783 } 1784 if (mShowForced && (flags&InputMethodManager.HIDE_NOT_ALWAYS) != 0) { 1785 if (DEBUG) Slog.v(TAG, 1786 "Not hiding: forced show not cancelled by not-always hide"); 1787 return false; 1788 } 1789 boolean res; 1790 if (mInputShown && mCurMethod != null) { 1791 executeOrSendMessage(mCurMethod, mCaller.obtainMessageOO( 1792 MSG_HIDE_SOFT_INPUT, mCurMethod, resultReceiver)); 1793 res = true; 1794 } else { 1795 res = false; 1796 } 1797 if (mHaveConnection && mVisibleBound) { 1798 mContext.unbindService(mVisibleConnection); 1799 mVisibleBound = false; 1800 } 1801 mInputShown = false; 1802 mShowRequested = false; 1803 mShowExplicitlyRequested = false; 1804 mShowForced = false; 1805 return res; 1806 } 1807 1808 @Override 1809 public InputBindResult windowGainedFocus(IInputMethodClient client, IBinder windowToken, 1810 int controlFlags, int softInputMode, int windowFlags, 1811 EditorInfo attribute, IInputContext inputContext) { 1812 if (!calledFromValidUser()) { 1813 return null; 1814 } 1815 InputBindResult res = null; 1816 long ident = Binder.clearCallingIdentity(); 1817 try { 1818 synchronized (mMethodMap) { 1819 if (DEBUG) Slog.v(TAG, "windowGainedFocus: " + client.asBinder() 1820 + " controlFlags=#" + Integer.toHexString(controlFlags) 1821 + " softInputMode=#" + Integer.toHexString(softInputMode) 1822 + " windowFlags=#" + Integer.toHexString(windowFlags)); 1823 1824 ClientState cs = mClients.get(client.asBinder()); 1825 if (cs == null) { 1826 throw new IllegalArgumentException("unknown client " 1827 + client.asBinder()); 1828 } 1829 1830 try { 1831 if (!mIWindowManager.inputMethodClientHasFocus(cs.client)) { 1832 // Check with the window manager to make sure this client actually 1833 // has a window with focus. If not, reject. This is thread safe 1834 // because if the focus changes some time before or after, the 1835 // next client receiving focus that has any interest in input will 1836 // be calling through here after that change happens. 1837 Slog.w(TAG, "Focus gain on non-focused client " + cs.client 1838 + " (uid=" + cs.uid + " pid=" + cs.pid + ")"); 1839 return null; 1840 } 1841 } catch (RemoteException e) { 1842 } 1843 1844 if (mCurFocusedWindow == windowToken) { 1845 Slog.w(TAG, "Window already focused, ignoring focus gain of: " + client 1846 + " attribute=" + attribute + ", token = " + windowToken); 1847 if (attribute != null) { 1848 return startInputUncheckedLocked(cs, inputContext, attribute, 1849 controlFlags); 1850 } 1851 return null; 1852 } 1853 mCurFocusedWindow = windowToken; 1854 1855 // Should we auto-show the IME even if the caller has not 1856 // specified what should be done with it? 1857 // We only do this automatically if the window can resize 1858 // to accommodate the IME (so what the user sees will give 1859 // them good context without input information being obscured 1860 // by the IME) or if running on a large screen where there 1861 // is more room for the target window + IME. 1862 final boolean doAutoShow = 1863 (softInputMode & WindowManager.LayoutParams.SOFT_INPUT_MASK_ADJUST) 1864 == WindowManager.LayoutParams.SOFT_INPUT_ADJUST_RESIZE 1865 || mRes.getConfiguration().isLayoutSizeAtLeast( 1866 Configuration.SCREENLAYOUT_SIZE_LARGE); 1867 final boolean isTextEditor = 1868 (controlFlags&InputMethodManager.CONTROL_WINDOW_IS_TEXT_EDITOR) != 0; 1869 1870 // We want to start input before showing the IME, but after closing 1871 // it. We want to do this after closing it to help the IME disappear 1872 // more quickly (not get stuck behind it initializing itself for the 1873 // new focused input, even if its window wants to hide the IME). 1874 boolean didStart = false; 1875 1876 switch (softInputMode&WindowManager.LayoutParams.SOFT_INPUT_MASK_STATE) { 1877 case WindowManager.LayoutParams.SOFT_INPUT_STATE_UNSPECIFIED: 1878 if (!isTextEditor || !doAutoShow) { 1879 if (WindowManager.LayoutParams.mayUseInputMethod(windowFlags)) { 1880 // There is no focus view, and this window will 1881 // be behind any soft input window, so hide the 1882 // soft input window if it is shown. 1883 if (DEBUG) Slog.v(TAG, "Unspecified window will hide input"); 1884 hideCurrentInputLocked(InputMethodManager.HIDE_NOT_ALWAYS, null); 1885 } 1886 } else if (isTextEditor && doAutoShow && (softInputMode & 1887 WindowManager.LayoutParams.SOFT_INPUT_IS_FORWARD_NAVIGATION) != 0) { 1888 // There is a focus view, and we are navigating forward 1889 // into the window, so show the input window for the user. 1890 // We only do this automatically if the window can resize 1891 // to accommodate the IME (so what the user sees will give 1892 // them good context without input information being obscured 1893 // by the IME) or if running on a large screen where there 1894 // is more room for the target window + IME. 1895 if (DEBUG) Slog.v(TAG, "Unspecified window will show input"); 1896 if (attribute != null) { 1897 res = startInputUncheckedLocked(cs, inputContext, attribute, 1898 controlFlags); 1899 didStart = true; 1900 } 1901 showCurrentInputLocked(InputMethodManager.SHOW_IMPLICIT, null); 1902 } 1903 break; 1904 case WindowManager.LayoutParams.SOFT_INPUT_STATE_UNCHANGED: 1905 // Do nothing. 1906 break; 1907 case WindowManager.LayoutParams.SOFT_INPUT_STATE_HIDDEN: 1908 if ((softInputMode & 1909 WindowManager.LayoutParams.SOFT_INPUT_IS_FORWARD_NAVIGATION) != 0) { 1910 if (DEBUG) Slog.v(TAG, "Window asks to hide input going forward"); 1911 hideCurrentInputLocked(0, null); 1912 } 1913 break; 1914 case WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_HIDDEN: 1915 if (DEBUG) Slog.v(TAG, "Window asks to hide input"); 1916 hideCurrentInputLocked(0, null); 1917 break; 1918 case WindowManager.LayoutParams.SOFT_INPUT_STATE_VISIBLE: 1919 if ((softInputMode & 1920 WindowManager.LayoutParams.SOFT_INPUT_IS_FORWARD_NAVIGATION) != 0) { 1921 if (DEBUG) Slog.v(TAG, "Window asks to show input going forward"); 1922 if (attribute != null) { 1923 res = startInputUncheckedLocked(cs, inputContext, attribute, 1924 controlFlags); 1925 didStart = true; 1926 } 1927 showCurrentInputLocked(InputMethodManager.SHOW_IMPLICIT, null); 1928 } 1929 break; 1930 case WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_VISIBLE: 1931 if (DEBUG) Slog.v(TAG, "Window asks to always show input"); 1932 if (attribute != null) { 1933 res = startInputUncheckedLocked(cs, inputContext, attribute, 1934 controlFlags); 1935 didStart = true; 1936 } 1937 showCurrentInputLocked(InputMethodManager.SHOW_IMPLICIT, null); 1938 break; 1939 } 1940 1941 if (!didStart && attribute != null) { 1942 res = startInputUncheckedLocked(cs, inputContext, attribute, 1943 controlFlags); 1944 } 1945 } 1946 } finally { 1947 Binder.restoreCallingIdentity(ident); 1948 } 1949 1950 return res; 1951 } 1952 1953 @Override 1954 public void showInputMethodPickerFromClient(IInputMethodClient client) { 1955 if (!calledFromValidUser()) { 1956 return; 1957 } 1958 synchronized (mMethodMap) { 1959 if (mCurClient == null || client == null 1960 || mCurClient.client.asBinder() != client.asBinder()) { 1961 Slog.w(TAG, "Ignoring showInputMethodPickerFromClient of uid " 1962 + Binder.getCallingUid() + ": " + client); 1963 } 1964 1965 // Always call subtype picker, because subtype picker is a superset of input method 1966 // picker. 1967 mHandler.sendEmptyMessage(MSG_SHOW_IM_SUBTYPE_PICKER); 1968 } 1969 } 1970 1971 @Override 1972 public void setInputMethod(IBinder token, String id) { 1973 if (!calledFromValidUser()) { 1974 return; 1975 } 1976 setInputMethodWithSubtypeId(token, id, NOT_A_SUBTYPE_ID); 1977 } 1978 1979 @Override 1980 public void setInputMethodAndSubtype(IBinder token, String id, InputMethodSubtype subtype) { 1981 if (!calledFromValidUser()) { 1982 return; 1983 } 1984 synchronized (mMethodMap) { 1985 if (subtype != null) { 1986 setInputMethodWithSubtypeId(token, id, getSubtypeIdFromHashCode( 1987 mMethodMap.get(id), subtype.hashCode())); 1988 } else { 1989 setInputMethod(token, id); 1990 } 1991 } 1992 } 1993 1994 @Override 1995 public void showInputMethodAndSubtypeEnablerFromClient( 1996 IInputMethodClient client, String inputMethodId) { 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 showInputMethodAndSubtypeEnablerFromClient of: " + client); 2004 } 2005 executeOrSendMessage(mCurMethod, mCaller.obtainMessageO( 2006 MSG_SHOW_IM_SUBTYPE_ENABLER, inputMethodId)); 2007 } 2008 } 2009 2010 @Override 2011 public boolean switchToLastInputMethod(IBinder token) { 2012 if (!calledFromValidUser()) { 2013 return false; 2014 } 2015 synchronized (mMethodMap) { 2016 final Pair<String, String> lastIme = mSettings.getLastInputMethodAndSubtypeLocked(); 2017 final InputMethodInfo lastImi; 2018 if (lastIme != null) { 2019 lastImi = mMethodMap.get(lastIme.first); 2020 } else { 2021 lastImi = null; 2022 } 2023 String targetLastImiId = null; 2024 int subtypeId = NOT_A_SUBTYPE_ID; 2025 if (lastIme != null && lastImi != null) { 2026 final boolean imiIdIsSame = lastImi.getId().equals(mCurMethodId); 2027 final int lastSubtypeHash = Integer.valueOf(lastIme.second); 2028 final int currentSubtypeHash = mCurrentSubtype == null ? NOT_A_SUBTYPE_ID 2029 : mCurrentSubtype.hashCode(); 2030 // If the last IME is the same as the current IME and the last subtype is not 2031 // defined, there is no need to switch to the last IME. 2032 if (!imiIdIsSame || lastSubtypeHash != currentSubtypeHash) { 2033 targetLastImiId = lastIme.first; 2034 subtypeId = getSubtypeIdFromHashCode(lastImi, lastSubtypeHash); 2035 } 2036 } 2037 2038 if (TextUtils.isEmpty(targetLastImiId) && !canAddToLastInputMethod(mCurrentSubtype)) { 2039 // This is a safety net. If the currentSubtype can't be added to the history 2040 // and the framework couldn't find the last ime, we will make the last ime be 2041 // the most applicable enabled keyboard subtype of the system imes. 2042 final List<InputMethodInfo> enabled = mSettings.getEnabledInputMethodListLocked(); 2043 if (enabled != null) { 2044 final int N = enabled.size(); 2045 final String locale = mCurrentSubtype == null 2046 ? mRes.getConfiguration().locale.toString() 2047 : mCurrentSubtype.getLocale(); 2048 for (int i = 0; i < N; ++i) { 2049 final InputMethodInfo imi = enabled.get(i); 2050 if (imi.getSubtypeCount() > 0 && isSystemIme(imi)) { 2051 InputMethodSubtype keyboardSubtype = 2052 findLastResortApplicableSubtypeLocked(mRes, getSubtypes(imi), 2053 SUBTYPE_MODE_KEYBOARD, locale, true); 2054 if (keyboardSubtype != null) { 2055 targetLastImiId = imi.getId(); 2056 subtypeId = getSubtypeIdFromHashCode( 2057 imi, keyboardSubtype.hashCode()); 2058 if(keyboardSubtype.getLocale().equals(locale)) { 2059 break; 2060 } 2061 } 2062 } 2063 } 2064 } 2065 } 2066 2067 if (!TextUtils.isEmpty(targetLastImiId)) { 2068 if (DEBUG) { 2069 Slog.d(TAG, "Switch to: " + lastImi.getId() + ", " + lastIme.second 2070 + ", from: " + mCurMethodId + ", " + subtypeId); 2071 } 2072 setInputMethodWithSubtypeId(token, targetLastImiId, subtypeId); 2073 return true; 2074 } else { 2075 return false; 2076 } 2077 } 2078 } 2079 2080 @Override 2081 public boolean switchToNextInputMethod(IBinder token, boolean onlyCurrentIme) { 2082 if (!calledFromValidUser()) { 2083 return false; 2084 } 2085 synchronized (mMethodMap) { 2086 final ImeSubtypeListItem nextSubtype = mImListManager.getNextInputMethod( 2087 onlyCurrentIme, mMethodMap.get(mCurMethodId), mCurrentSubtype); 2088 if (nextSubtype == null) { 2089 return false; 2090 } 2091 setInputMethodWithSubtypeId(token, nextSubtype.mImi.getId(), nextSubtype.mSubtypeId); 2092 return true; 2093 } 2094 } 2095 2096 @Override 2097 public InputMethodSubtype getLastInputMethodSubtype() { 2098 if (!calledFromValidUser()) { 2099 return null; 2100 } 2101 synchronized (mMethodMap) { 2102 final Pair<String, String> lastIme = mSettings.getLastInputMethodAndSubtypeLocked(); 2103 // TODO: Handle the case of the last IME with no subtypes 2104 if (lastIme == null || TextUtils.isEmpty(lastIme.first) 2105 || TextUtils.isEmpty(lastIme.second)) return null; 2106 final InputMethodInfo lastImi = mMethodMap.get(lastIme.first); 2107 if (lastImi == null) return null; 2108 try { 2109 final int lastSubtypeHash = Integer.valueOf(lastIme.second); 2110 final int lastSubtypeId = getSubtypeIdFromHashCode(lastImi, lastSubtypeHash); 2111 if (lastSubtypeId < 0 || lastSubtypeId >= lastImi.getSubtypeCount()) { 2112 return null; 2113 } 2114 return lastImi.getSubtypeAt(lastSubtypeId); 2115 } catch (NumberFormatException e) { 2116 return null; 2117 } 2118 } 2119 } 2120 2121 @Override 2122 public void setAdditionalInputMethodSubtypes(String imiId, InputMethodSubtype[] subtypes) { 2123 if (!calledFromValidUser()) { 2124 return; 2125 } 2126 // By this IPC call, only a process which shares the same uid with the IME can add 2127 // additional input method subtypes to the IME. 2128 if (TextUtils.isEmpty(imiId) || subtypes == null || subtypes.length == 0) return; 2129 synchronized (mMethodMap) { 2130 final InputMethodInfo imi = mMethodMap.get(imiId); 2131 if (imi == null) return; 2132 final String[] packageInfos; 2133 try { 2134 packageInfos = mIPackageManager.getPackagesForUid(Binder.getCallingUid()); 2135 } catch (RemoteException e) { 2136 Slog.e(TAG, "Failed to get package infos"); 2137 return; 2138 } 2139 if (packageInfos != null) { 2140 final int packageNum = packageInfos.length; 2141 for (int i = 0; i < packageNum; ++i) { 2142 if (packageInfos[i].equals(imi.getPackageName())) { 2143 mFileManager.addInputMethodSubtypes(imi, subtypes); 2144 final long ident = Binder.clearCallingIdentity(); 2145 try { 2146 buildInputMethodListLocked(mMethodList, mMethodMap); 2147 } finally { 2148 Binder.restoreCallingIdentity(ident); 2149 } 2150 return; 2151 } 2152 } 2153 } 2154 } 2155 return; 2156 } 2157 2158 private void setInputMethodWithSubtypeId(IBinder token, String id, int subtypeId) { 2159 synchronized (mMethodMap) { 2160 if (token == null) { 2161 if (mContext.checkCallingOrSelfPermission( 2162 android.Manifest.permission.WRITE_SECURE_SETTINGS) 2163 != PackageManager.PERMISSION_GRANTED) { 2164 throw new SecurityException( 2165 "Using null token requires permission " 2166 + android.Manifest.permission.WRITE_SECURE_SETTINGS); 2167 } 2168 } else if (mCurToken != token) { 2169 Slog.w(TAG, "Ignoring setInputMethod of uid " + Binder.getCallingUid() 2170 + " token: " + token); 2171 return; 2172 } 2173 2174 final long ident = Binder.clearCallingIdentity(); 2175 try { 2176 setInputMethodLocked(id, subtypeId); 2177 } finally { 2178 Binder.restoreCallingIdentity(ident); 2179 } 2180 } 2181 } 2182 2183 @Override 2184 public void hideMySoftInput(IBinder token, int flags) { 2185 if (!calledFromValidUser()) { 2186 return; 2187 } 2188 synchronized (mMethodMap) { 2189 if (token == null || mCurToken != token) { 2190 if (DEBUG) Slog.w(TAG, "Ignoring hideInputMethod of uid " 2191 + Binder.getCallingUid() + " token: " + token); 2192 return; 2193 } 2194 long ident = Binder.clearCallingIdentity(); 2195 try { 2196 hideCurrentInputLocked(flags, null); 2197 } finally { 2198 Binder.restoreCallingIdentity(ident); 2199 } 2200 } 2201 } 2202 2203 @Override 2204 public void showMySoftInput(IBinder token, int flags) { 2205 if (!calledFromValidUser()) { 2206 return; 2207 } 2208 synchronized (mMethodMap) { 2209 if (token == null || mCurToken != token) { 2210 Slog.w(TAG, "Ignoring showMySoftInput of uid " 2211 + Binder.getCallingUid() + " token: " + token); 2212 return; 2213 } 2214 long ident = Binder.clearCallingIdentity(); 2215 try { 2216 showCurrentInputLocked(flags, null); 2217 } finally { 2218 Binder.restoreCallingIdentity(ident); 2219 } 2220 } 2221 } 2222 2223 void setEnabledSessionInMainThread(SessionState session) { 2224 if (mEnabledSession != session) { 2225 if (mEnabledSession != null) { 2226 try { 2227 if (DEBUG) Slog.v(TAG, "Disabling: " + mEnabledSession); 2228 mEnabledSession.method.setSessionEnabled( 2229 mEnabledSession.session, false); 2230 } catch (RemoteException e) { 2231 } 2232 } 2233 mEnabledSession = session; 2234 try { 2235 if (DEBUG) Slog.v(TAG, "Enabling: " + mEnabledSession); 2236 session.method.setSessionEnabled( 2237 session.session, true); 2238 } catch (RemoteException e) { 2239 } 2240 } 2241 } 2242 2243 @Override 2244 public boolean handleMessage(Message msg) { 2245 SomeArgs args; 2246 switch (msg.what) { 2247 case MSG_SHOW_IM_PICKER: 2248 showInputMethodMenu(); 2249 return true; 2250 2251 case MSG_SHOW_IM_SUBTYPE_PICKER: 2252 showInputMethodSubtypeMenu(); 2253 return true; 2254 2255 case MSG_SHOW_IM_SUBTYPE_ENABLER: 2256 args = (SomeArgs)msg.obj; 2257 showInputMethodAndSubtypeEnabler((String)args.arg1); 2258 args.recycle(); 2259 return true; 2260 2261 case MSG_SHOW_IM_CONFIG: 2262 showConfigureInputMethods(); 2263 return true; 2264 2265 // --------------------------------------------------------- 2266 2267 case MSG_UNBIND_INPUT: 2268 try { 2269 ((IInputMethod)msg.obj).unbindInput(); 2270 } catch (RemoteException e) { 2271 // There is nothing interesting about the method dying. 2272 } 2273 return true; 2274 case MSG_BIND_INPUT: 2275 args = (SomeArgs)msg.obj; 2276 try { 2277 ((IInputMethod)args.arg1).bindInput((InputBinding)args.arg2); 2278 } catch (RemoteException e) { 2279 } 2280 args.recycle(); 2281 return true; 2282 case MSG_SHOW_SOFT_INPUT: 2283 args = (SomeArgs)msg.obj; 2284 try { 2285 ((IInputMethod)args.arg1).showSoftInput(msg.arg1, 2286 (ResultReceiver)args.arg2); 2287 } catch (RemoteException e) { 2288 } 2289 args.recycle(); 2290 return true; 2291 case MSG_HIDE_SOFT_INPUT: 2292 args = (SomeArgs)msg.obj; 2293 try { 2294 ((IInputMethod)args.arg1).hideSoftInput(0, 2295 (ResultReceiver)args.arg2); 2296 } catch (RemoteException e) { 2297 } 2298 args.recycle(); 2299 return true; 2300 case MSG_ATTACH_TOKEN: 2301 args = (SomeArgs)msg.obj; 2302 try { 2303 if (DEBUG) Slog.v(TAG, "Sending attach of token: " + args.arg2); 2304 ((IInputMethod)args.arg1).attachToken((IBinder)args.arg2); 2305 } catch (RemoteException e) { 2306 } 2307 args.recycle(); 2308 return true; 2309 case MSG_CREATE_SESSION: 2310 args = (SomeArgs)msg.obj; 2311 try { 2312 ((IInputMethod)args.arg1).createSession( 2313 (IInputMethodCallback)args.arg2); 2314 } catch (RemoteException e) { 2315 } 2316 args.recycle(); 2317 return true; 2318 // --------------------------------------------------------- 2319 2320 case MSG_START_INPUT: 2321 args = (SomeArgs)msg.obj; 2322 try { 2323 SessionState session = (SessionState)args.arg1; 2324 setEnabledSessionInMainThread(session); 2325 session.method.startInput((IInputContext)args.arg2, 2326 (EditorInfo)args.arg3); 2327 } catch (RemoteException e) { 2328 } 2329 args.recycle(); 2330 return true; 2331 case MSG_RESTART_INPUT: 2332 args = (SomeArgs)msg.obj; 2333 try { 2334 SessionState session = (SessionState)args.arg1; 2335 setEnabledSessionInMainThread(session); 2336 session.method.restartInput((IInputContext)args.arg2, 2337 (EditorInfo)args.arg3); 2338 } catch (RemoteException e) { 2339 } 2340 args.recycle(); 2341 return true; 2342 2343 // --------------------------------------------------------- 2344 2345 case MSG_UNBIND_METHOD: 2346 try { 2347 ((IInputMethodClient)msg.obj).onUnbindMethod(msg.arg1); 2348 } catch (RemoteException e) { 2349 // There is nothing interesting about the last client dying. 2350 } 2351 return true; 2352 case MSG_BIND_METHOD: 2353 args = (SomeArgs)msg.obj; 2354 try { 2355 ((IInputMethodClient)args.arg1).onBindMethod( 2356 (InputBindResult)args.arg2); 2357 } catch (RemoteException e) { 2358 Slog.w(TAG, "Client died receiving input method " + args.arg2); 2359 } 2360 args.recycle(); 2361 return true; 2362 case MSG_SET_ACTIVE: 2363 try { 2364 ((ClientState)msg.obj).client.setActive(msg.arg1 != 0); 2365 } catch (RemoteException e) { 2366 Slog.w(TAG, "Got RemoteException sending setActive(false) notification to pid " 2367 + ((ClientState)msg.obj).pid + " uid " 2368 + ((ClientState)msg.obj).uid); 2369 } 2370 return true; 2371 2372 // -------------------------------------------------------------- 2373 case MSG_HARD_KEYBOARD_SWITCH_CHANGED: 2374 mHardKeyboardListener.handleHardKeyboardStatusChange( 2375 msg.arg1 == 1, msg.arg2 == 1); 2376 return true; 2377 } 2378 return false; 2379 } 2380 2381 private static boolean isSystemIme(InputMethodInfo inputMethod) { 2382 return (inputMethod.getServiceInfo().applicationInfo.flags 2383 & ApplicationInfo.FLAG_SYSTEM) != 0; 2384 } 2385 2386 private static ArrayList<InputMethodSubtype> getSubtypes(InputMethodInfo imi) { 2387 ArrayList<InputMethodSubtype> subtypes = new ArrayList<InputMethodSubtype>(); 2388 final int subtypeCount = imi.getSubtypeCount(); 2389 for (int i = 0; i < subtypeCount; ++i) { 2390 subtypes.add(imi.getSubtypeAt(i)); 2391 } 2392 return subtypes; 2393 } 2394 2395 private static ArrayList<InputMethodSubtype> getOverridingImplicitlyEnabledSubtypes( 2396 InputMethodInfo imi, String mode) { 2397 ArrayList<InputMethodSubtype> subtypes = new ArrayList<InputMethodSubtype>(); 2398 final int subtypeCount = imi.getSubtypeCount(); 2399 for (int i = 0; i < subtypeCount; ++i) { 2400 final InputMethodSubtype subtype = imi.getSubtypeAt(i); 2401 if (subtype.overridesImplicitlyEnabledSubtype() && subtype.getMode().equals(mode)) { 2402 subtypes.add(subtype); 2403 } 2404 } 2405 return subtypes; 2406 } 2407 2408 private InputMethodInfo getMostApplicableDefaultIMELocked() { 2409 List<InputMethodInfo> enabled = mSettings.getEnabledInputMethodListLocked(); 2410 if (enabled != null && enabled.size() > 0) { 2411 // We'd prefer to fall back on a system IME, since that is safer. 2412 int i = enabled.size(); 2413 int firstFoundSystemIme = -1; 2414 while (i > 0) { 2415 i--; 2416 final InputMethodInfo imi = enabled.get(i); 2417 if (isSystemImeThatHasEnglishSubtype(imi) && !imi.isAuxiliaryIme()) { 2418 return imi; 2419 } 2420 if (firstFoundSystemIme < 0 && isSystemIme(imi) && !imi.isAuxiliaryIme()) { 2421 firstFoundSystemIme = i; 2422 } 2423 } 2424 return enabled.get(Math.max(firstFoundSystemIme, 0)); 2425 } 2426 return null; 2427 } 2428 2429 private boolean chooseNewDefaultIMELocked() { 2430 final InputMethodInfo imi = getMostApplicableDefaultIMELocked(); 2431 if (imi != null) { 2432 if (DEBUG) { 2433 Slog.d(TAG, "New default IME was selected: " + imi.getId()); 2434 } 2435 resetSelectedInputMethodAndSubtypeLocked(imi.getId()); 2436 return true; 2437 } 2438 2439 return false; 2440 } 2441 2442 void buildInputMethodListLocked(ArrayList<InputMethodInfo> list, 2443 HashMap<String, InputMethodInfo> map) { 2444 if (DEBUG) { 2445 Slog.d(TAG, "--- re-buildInputMethodList " + ", \n ------ \n" + getStackTrace()); 2446 } 2447 list.clear(); 2448 map.clear(); 2449 2450 // Use for queryIntentServicesAsUser 2451 final PackageManager pm = mContext.getPackageManager(); 2452 final Configuration config = mRes.getConfiguration(); 2453 final boolean haveHardKeyboard = config.keyboard == Configuration.KEYBOARD_QWERTY; 2454 String disabledSysImes = mSettings.getDisabledSystemInputMethods(); 2455 if (disabledSysImes == null) disabledSysImes = ""; 2456 2457 final List<ResolveInfo> services = pm.queryIntentServicesAsUser( 2458 new Intent(InputMethod.SERVICE_INTERFACE), 2459 PackageManager.GET_META_DATA, mSettings.getCurrentUserId()); 2460 2461 final HashMap<String, List<InputMethodSubtype>> additionalSubtypes = 2462 mFileManager.getAllAdditionalInputMethodSubtypes(); 2463 for (int i = 0; i < services.size(); ++i) { 2464 ResolveInfo ri = services.get(i); 2465 ServiceInfo si = ri.serviceInfo; 2466 ComponentName compName = new ComponentName(si.packageName, si.name); 2467 if (!android.Manifest.permission.BIND_INPUT_METHOD.equals( 2468 si.permission)) { 2469 Slog.w(TAG, "Skipping input method " + compName 2470 + ": it does not require the permission " 2471 + android.Manifest.permission.BIND_INPUT_METHOD); 2472 continue; 2473 } 2474 2475 if (DEBUG) Slog.d(TAG, "Checking " + compName); 2476 2477 try { 2478 InputMethodInfo p = new InputMethodInfo(mContext, ri, additionalSubtypes); 2479 list.add(p); 2480 final String id = p.getId(); 2481 map.put(id, p); 2482 2483 // Valid system default IMEs and IMEs that have English subtypes are enabled 2484 // by default, unless there's a hard keyboard and the system IME was explicitly 2485 // disabled 2486 if ((isValidSystemDefaultIme(p, mContext) || isSystemImeThatHasEnglishSubtype(p)) 2487 && (!haveHardKeyboard || disabledSysImes.indexOf(id) < 0)) { 2488 setInputMethodEnabledLocked(id, true); 2489 } 2490 2491 if (DEBUG) { 2492 Slog.d(TAG, "Found a third-party input method " + p); 2493 } 2494 2495 } catch (XmlPullParserException e) { 2496 Slog.w(TAG, "Unable to load input method " + compName, e); 2497 } catch (IOException e) { 2498 Slog.w(TAG, "Unable to load input method " + compName, e); 2499 } 2500 } 2501 2502 final String defaultImiId = mSettings.getSelectedInputMethod(); 2503 if (!TextUtils.isEmpty(defaultImiId)) { 2504 if (!map.containsKey(defaultImiId)) { 2505 Slog.w(TAG, "Default IME is uninstalled. Choose new default IME."); 2506 if (chooseNewDefaultIMELocked()) { 2507 updateFromSettingsLocked(); 2508 } 2509 } else { 2510 // Double check that the default IME is certainly enabled. 2511 setInputMethodEnabledLocked(defaultImiId, true); 2512 } 2513 } 2514 } 2515 2516 // ---------------------------------------------------------------------- 2517 2518 private void showInputMethodMenu() { 2519 showInputMethodMenuInternal(false); 2520 } 2521 2522 private void showInputMethodSubtypeMenu() { 2523 showInputMethodMenuInternal(true); 2524 } 2525 2526 private void showInputMethodAndSubtypeEnabler(String inputMethodId) { 2527 Intent intent = new Intent(Settings.ACTION_INPUT_METHOD_SUBTYPE_SETTINGS); 2528 intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK 2529 | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED 2530 | Intent.FLAG_ACTIVITY_CLEAR_TOP); 2531 if (!TextUtils.isEmpty(inputMethodId)) { 2532 intent.putExtra(Settings.EXTRA_INPUT_METHOD_ID, inputMethodId); 2533 } 2534 mContext.startActivityAsUser(intent, null, UserHandle.CURRENT); 2535 } 2536 2537 private void showConfigureInputMethods() { 2538 Intent intent = new Intent(Settings.ACTION_INPUT_METHOD_SETTINGS); 2539 intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK 2540 | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED 2541 | Intent.FLAG_ACTIVITY_CLEAR_TOP); 2542 mContext.startActivityAsUser(intent, null, UserHandle.CURRENT); 2543 } 2544 2545 private boolean isScreenLocked() { 2546 return mKeyguardManager != null 2547 && mKeyguardManager.isKeyguardLocked() && mKeyguardManager.isKeyguardSecure(); 2548 } 2549 private void showInputMethodMenuInternal(boolean showSubtypes) { 2550 if (DEBUG) Slog.v(TAG, "Show switching menu"); 2551 2552 final Context context = mContext; 2553 final boolean isScreenLocked = isScreenLocked(); 2554 2555 final String lastInputMethodId = mSettings.getSelectedInputMethod(); 2556 int lastInputMethodSubtypeId = getSelectedInputMethodSubtypeId(lastInputMethodId); 2557 if (DEBUG) Slog.v(TAG, "Current IME: " + lastInputMethodId); 2558 2559 synchronized (mMethodMap) { 2560 final HashMap<InputMethodInfo, List<InputMethodSubtype>> immis = 2561 getExplicitlyOrImplicitlyEnabledInputMethodsAndSubtypeListLocked(); 2562 if (immis == null || immis.size() == 0) { 2563 return; 2564 } 2565 2566 hideInputMethodMenuLocked(); 2567 2568 final List<ImeSubtypeListItem> imList = 2569 mImListManager.getSortedInputMethodAndSubtypeList( 2570 showSubtypes, mInputShown, isScreenLocked); 2571 2572 if (lastInputMethodSubtypeId == NOT_A_SUBTYPE_ID) { 2573 final InputMethodSubtype currentSubtype = getCurrentInputMethodSubtypeLocked(); 2574 if (currentSubtype != null) { 2575 final InputMethodInfo currentImi = mMethodMap.get(mCurMethodId); 2576 lastInputMethodSubtypeId = 2577 getSubtypeIdFromHashCode(currentImi, currentSubtype.hashCode()); 2578 } 2579 } 2580 2581 final int N = imList.size(); 2582 mIms = new InputMethodInfo[N]; 2583 mSubtypeIds = new int[N]; 2584 int checkedItem = 0; 2585 for (int i = 0; i < N; ++i) { 2586 final ImeSubtypeListItem item = imList.get(i); 2587 mIms[i] = item.mImi; 2588 mSubtypeIds[i] = item.mSubtypeId; 2589 if (mIms[i].getId().equals(lastInputMethodId)) { 2590 int subtypeId = mSubtypeIds[i]; 2591 if ((subtypeId == NOT_A_SUBTYPE_ID) 2592 || (lastInputMethodSubtypeId == NOT_A_SUBTYPE_ID && subtypeId == 0) 2593 || (subtypeId == lastInputMethodSubtypeId)) { 2594 checkedItem = i; 2595 } 2596 } 2597 } 2598 final TypedArray a = context.obtainStyledAttributes(null, 2599 com.android.internal.R.styleable.DialogPreference, 2600 com.android.internal.R.attr.alertDialogStyle, 0); 2601 mDialogBuilder = new AlertDialog.Builder(context) 2602 .setOnCancelListener(new OnCancelListener() { 2603 @Override 2604 public void onCancel(DialogInterface dialog) { 2605 hideInputMethodMenu(); 2606 } 2607 }) 2608 .setIcon(a.getDrawable( 2609 com.android.internal.R.styleable.DialogPreference_dialogTitle)); 2610 a.recycle(); 2611 final LayoutInflater inflater = 2612 (LayoutInflater)mContext.getSystemService(Context.LAYOUT_INFLATER_SERVICE); 2613 final View tv = inflater.inflate( 2614 com.android.internal.R.layout.input_method_switch_dialog_title, null); 2615 mDialogBuilder.setCustomTitle(tv); 2616 2617 // Setup layout for a toggle switch of the hardware keyboard 2618 mSwitchingDialogTitleView = tv; 2619 mSwitchingDialogTitleView.findViewById( 2620 com.android.internal.R.id.hard_keyboard_section).setVisibility( 2621 mWindowManagerService.isHardKeyboardAvailable() ? 2622 View.VISIBLE : View.GONE); 2623 final Switch hardKeySwitch = ((Switch)mSwitchingDialogTitleView.findViewById( 2624 com.android.internal.R.id.hard_keyboard_switch)); 2625 hardKeySwitch.setChecked(mWindowManagerService.isHardKeyboardEnabled()); 2626 hardKeySwitch.setOnCheckedChangeListener( 2627 new OnCheckedChangeListener() { 2628 @Override 2629 public void onCheckedChanged( 2630 CompoundButton buttonView, boolean isChecked) { 2631 mWindowManagerService.setHardKeyboardEnabled(isChecked); 2632 } 2633 }); 2634 2635 final ImeSubtypeListAdapter adapter = new ImeSubtypeListAdapter(context, 2636 com.android.internal.R.layout.simple_list_item_2_single_choice, imList, 2637 checkedItem); 2638 2639 mDialogBuilder.setSingleChoiceItems(adapter, checkedItem, 2640 new AlertDialog.OnClickListener() { 2641 @Override 2642 public void onClick(DialogInterface dialog, int which) { 2643 synchronized (mMethodMap) { 2644 if (mIms == null || mIms.length <= which 2645 || mSubtypeIds == null || mSubtypeIds.length <= which) { 2646 return; 2647 } 2648 InputMethodInfo im = mIms[which]; 2649 int subtypeId = mSubtypeIds[which]; 2650 hideInputMethodMenu(); 2651 if (im != null) { 2652 if ((subtypeId < 0) 2653 || (subtypeId >= im.getSubtypeCount())) { 2654 subtypeId = NOT_A_SUBTYPE_ID; 2655 } 2656 setInputMethodLocked(im.getId(), subtypeId); 2657 } 2658 } 2659 } 2660 }); 2661 2662 if (showSubtypes && !isScreenLocked) { 2663 mDialogBuilder.setPositiveButton( 2664 com.android.internal.R.string.configure_input_methods, 2665 new DialogInterface.OnClickListener() { 2666 @Override 2667 public void onClick(DialogInterface dialog, int whichButton) { 2668 showConfigureInputMethods(); 2669 } 2670 }); 2671 } 2672 mSwitchingDialog = mDialogBuilder.create(); 2673 mSwitchingDialog.setCanceledOnTouchOutside(true); 2674 mSwitchingDialog.getWindow().setType( 2675 WindowManager.LayoutParams.TYPE_INPUT_METHOD_DIALOG); 2676 mSwitchingDialog.getWindow().getAttributes().privateFlags |= 2677 WindowManager.LayoutParams.PRIVATE_FLAG_SHOW_FOR_ALL_USERS; 2678 mSwitchingDialog.getWindow().getAttributes().setTitle("Select input method"); 2679 mSwitchingDialog.show(); 2680 } 2681 } 2682 2683 private static class ImeSubtypeListItem implements Comparable<ImeSubtypeListItem> { 2684 public final CharSequence mImeName; 2685 public final CharSequence mSubtypeName; 2686 public final InputMethodInfo mImi; 2687 public final int mSubtypeId; 2688 private final boolean mIsSystemLocale; 2689 private final boolean mIsSystemLanguage; 2690 2691 public ImeSubtypeListItem(CharSequence imeName, CharSequence subtypeName, 2692 InputMethodInfo imi, int subtypeId, String subtypeLocale, String systemLocale) { 2693 mImeName = imeName; 2694 mSubtypeName = subtypeName; 2695 mImi = imi; 2696 mSubtypeId = subtypeId; 2697 if (TextUtils.isEmpty(subtypeLocale)) { 2698 mIsSystemLocale = false; 2699 mIsSystemLanguage = false; 2700 } else { 2701 mIsSystemLocale = subtypeLocale.equals(systemLocale); 2702 mIsSystemLanguage = mIsSystemLocale 2703 || subtypeLocale.startsWith(systemLocale.substring(0, 2)); 2704 } 2705 } 2706 2707 @Override 2708 public int compareTo(ImeSubtypeListItem other) { 2709 if (TextUtils.isEmpty(mImeName)) { 2710 return 1; 2711 } 2712 if (TextUtils.isEmpty(other.mImeName)) { 2713 return -1; 2714 } 2715 if (!TextUtils.equals(mImeName, other.mImeName)) { 2716 return mImeName.toString().compareTo(other.mImeName.toString()); 2717 } 2718 if (TextUtils.equals(mSubtypeName, other.mSubtypeName)) { 2719 return 0; 2720 } 2721 if (mIsSystemLocale) { 2722 return -1; 2723 } 2724 if (other.mIsSystemLocale) { 2725 return 1; 2726 } 2727 if (mIsSystemLanguage) { 2728 return -1; 2729 } 2730 if (other.mIsSystemLanguage) { 2731 return 1; 2732 } 2733 if (TextUtils.isEmpty(mSubtypeName)) { 2734 return 1; 2735 } 2736 if (TextUtils.isEmpty(other.mSubtypeName)) { 2737 return -1; 2738 } 2739 return mSubtypeName.toString().compareTo(other.mSubtypeName.toString()); 2740 } 2741 } 2742 2743 private static class ImeSubtypeListAdapter extends ArrayAdapter<ImeSubtypeListItem> { 2744 private final LayoutInflater mInflater; 2745 private final int mTextViewResourceId; 2746 private final List<ImeSubtypeListItem> mItemsList; 2747 private final int mCheckedItem; 2748 public ImeSubtypeListAdapter(Context context, int textViewResourceId, 2749 List<ImeSubtypeListItem> itemsList, int checkedItem) { 2750 super(context, textViewResourceId, itemsList); 2751 mTextViewResourceId = textViewResourceId; 2752 mItemsList = itemsList; 2753 mCheckedItem = checkedItem; 2754 mInflater = (LayoutInflater)context.getSystemService(Context.LAYOUT_INFLATER_SERVICE); 2755 } 2756 2757 @Override 2758 public View getView(int position, View convertView, ViewGroup parent) { 2759 final View view = convertView != null ? convertView 2760 : mInflater.inflate(mTextViewResourceId, null); 2761 if (position < 0 || position >= mItemsList.size()) return view; 2762 final ImeSubtypeListItem item = mItemsList.get(position); 2763 final CharSequence imeName = item.mImeName; 2764 final CharSequence subtypeName = item.mSubtypeName; 2765 final TextView firstTextView = (TextView)view.findViewById(android.R.id.text1); 2766 final TextView secondTextView = (TextView)view.findViewById(android.R.id.text2); 2767 if (TextUtils.isEmpty(subtypeName)) { 2768 firstTextView.setText(imeName); 2769 secondTextView.setVisibility(View.GONE); 2770 } else { 2771 firstTextView.setText(subtypeName); 2772 secondTextView.setText(imeName); 2773 secondTextView.setVisibility(View.VISIBLE); 2774 } 2775 final RadioButton radioButton = 2776 (RadioButton)view.findViewById(com.android.internal.R.id.radio); 2777 radioButton.setChecked(position == mCheckedItem); 2778 return view; 2779 } 2780 } 2781 2782 void hideInputMethodMenu() { 2783 synchronized (mMethodMap) { 2784 hideInputMethodMenuLocked(); 2785 } 2786 } 2787 2788 void hideInputMethodMenuLocked() { 2789 if (DEBUG) Slog.v(TAG, "Hide switching menu"); 2790 2791 if (mSwitchingDialog != null) { 2792 mSwitchingDialog.dismiss(); 2793 mSwitchingDialog = null; 2794 } 2795 2796 mDialogBuilder = null; 2797 mIms = null; 2798 } 2799 2800 // ---------------------------------------------------------------------- 2801 2802 @Override 2803 public boolean setInputMethodEnabled(String id, boolean enabled) { 2804 // TODO: Make this work even for non-current users? 2805 if (!calledFromValidUser()) { 2806 return false; 2807 } 2808 synchronized (mMethodMap) { 2809 if (mContext.checkCallingOrSelfPermission( 2810 android.Manifest.permission.WRITE_SECURE_SETTINGS) 2811 != PackageManager.PERMISSION_GRANTED) { 2812 throw new SecurityException( 2813 "Requires permission " 2814 + android.Manifest.permission.WRITE_SECURE_SETTINGS); 2815 } 2816 2817 long ident = Binder.clearCallingIdentity(); 2818 try { 2819 return setInputMethodEnabledLocked(id, enabled); 2820 } finally { 2821 Binder.restoreCallingIdentity(ident); 2822 } 2823 } 2824 } 2825 2826 boolean setInputMethodEnabledLocked(String id, boolean enabled) { 2827 // Make sure this is a valid input method. 2828 InputMethodInfo imm = mMethodMap.get(id); 2829 if (imm == null) { 2830 throw new IllegalArgumentException("Unknown id: " + mCurMethodId); 2831 } 2832 2833 List<Pair<String, ArrayList<String>>> enabledInputMethodsList = mSettings 2834 .getEnabledInputMethodsAndSubtypeListLocked(); 2835 2836 if (enabled) { 2837 for (Pair<String, ArrayList<String>> pair: enabledInputMethodsList) { 2838 if (pair.first.equals(id)) { 2839 // We are enabling this input method, but it is already enabled. 2840 // Nothing to do. The previous state was enabled. 2841 return true; 2842 } 2843 } 2844 mSettings.appendAndPutEnabledInputMethodLocked(id, false); 2845 // Previous state was disabled. 2846 return false; 2847 } else { 2848 StringBuilder builder = new StringBuilder(); 2849 if (mSettings.buildAndPutEnabledInputMethodsStrRemovingIdLocked( 2850 builder, enabledInputMethodsList, id)) { 2851 // Disabled input method is currently selected, switch to another one. 2852 final String selId = mSettings.getSelectedInputMethod(); 2853 if (id.equals(selId) && !chooseNewDefaultIMELocked()) { 2854 Slog.i(TAG, "Can't find new IME, unsetting the current input method."); 2855 resetSelectedInputMethodAndSubtypeLocked(""); 2856 } 2857 // Previous state was enabled. 2858 return true; 2859 } else { 2860 // We are disabling the input method but it is already disabled. 2861 // Nothing to do. The previous state was disabled. 2862 return false; 2863 } 2864 } 2865 } 2866 2867 private boolean canAddToLastInputMethod(InputMethodSubtype subtype) { 2868 if (subtype == null) return true; 2869 return !subtype.isAuxiliary(); 2870 } 2871 2872 private void saveCurrentInputMethodAndSubtypeToHistory() { 2873 String subtypeId = NOT_A_SUBTYPE_ID_STR; 2874 if (mCurrentSubtype != null) { 2875 subtypeId = String.valueOf(mCurrentSubtype.hashCode()); 2876 } 2877 if (canAddToLastInputMethod(mCurrentSubtype)) { 2878 mSettings.addSubtypeToHistory(mCurMethodId, subtypeId); 2879 } 2880 } 2881 2882 private void setSelectedInputMethodAndSubtypeLocked(InputMethodInfo imi, int subtypeId, 2883 boolean setSubtypeOnly) { 2884 // Update the history of InputMethod and Subtype 2885 saveCurrentInputMethodAndSubtypeToHistory(); 2886 2887 // Set Subtype here 2888 if (imi == null || subtypeId < 0) { 2889 mSettings.putSelectedSubtype(NOT_A_SUBTYPE_ID); 2890 mCurrentSubtype = null; 2891 } else { 2892 if (subtypeId < imi.getSubtypeCount()) { 2893 InputMethodSubtype subtype = imi.getSubtypeAt(subtypeId); 2894 mSettings.putSelectedSubtype(subtype.hashCode()); 2895 mCurrentSubtype = subtype; 2896 } else { 2897 mSettings.putSelectedSubtype(NOT_A_SUBTYPE_ID); 2898 // If the subtype is not specified, choose the most applicable one 2899 mCurrentSubtype = getCurrentInputMethodSubtypeLocked(); 2900 } 2901 } 2902 2903 // Workaround. 2904 // ASEC is not ready in the IMMS constructor. Accordingly, forward-locked 2905 // IMEs are not recognized and considered uninstalled. 2906 // Actually, we can't move everything after SystemReady because 2907 // IMMS needs to run in the encryption lock screen. So, we just skip changing 2908 // the default IME here and try cheking the default IME again in systemReady(). 2909 // TODO: Do nothing before system ready and implement a separated logic for 2910 // the encryption lock screen. 2911 // TODO: ASEC should be ready before IMMS is instantiated. 2912 if (mSystemReady && !setSubtypeOnly) { 2913 // Set InputMethod here 2914 mSettings.putSelectedInputMethod(imi != null ? imi.getId() : ""); 2915 } 2916 } 2917 2918 private void resetSelectedInputMethodAndSubtypeLocked(String newDefaultIme) { 2919 InputMethodInfo imi = mMethodMap.get(newDefaultIme); 2920 int lastSubtypeId = NOT_A_SUBTYPE_ID; 2921 // newDefaultIme is empty when there is no candidate for the selected IME. 2922 if (imi != null && !TextUtils.isEmpty(newDefaultIme)) { 2923 String subtypeHashCode = mSettings.getLastSubtypeForInputMethodLocked(newDefaultIme); 2924 if (subtypeHashCode != null) { 2925 try { 2926 lastSubtypeId = getSubtypeIdFromHashCode( 2927 imi, Integer.valueOf(subtypeHashCode)); 2928 } catch (NumberFormatException e) { 2929 Slog.w(TAG, "HashCode for subtype looks broken: " + subtypeHashCode, e); 2930 } 2931 } 2932 } 2933 setSelectedInputMethodAndSubtypeLocked(imi, lastSubtypeId, false); 2934 } 2935 2936 private int getSelectedInputMethodSubtypeId(String id) { 2937 InputMethodInfo imi = mMethodMap.get(id); 2938 if (imi == null) { 2939 return NOT_A_SUBTYPE_ID; 2940 } 2941 final int subtypeHashCode = mSettings.getSelectedInputMethodSubtypeHashCode(); 2942 return getSubtypeIdFromHashCode(imi, subtypeHashCode); 2943 } 2944 2945 private static boolean isValidSubtypeId(InputMethodInfo imi, int subtypeHashCode) { 2946 return getSubtypeIdFromHashCode(imi, subtypeHashCode) != NOT_A_SUBTYPE_ID; 2947 } 2948 2949 private static int getSubtypeIdFromHashCode(InputMethodInfo imi, int subtypeHashCode) { 2950 if (imi != null) { 2951 final int subtypeCount = imi.getSubtypeCount(); 2952 for (int i = 0; i < subtypeCount; ++i) { 2953 InputMethodSubtype ims = imi.getSubtypeAt(i); 2954 if (subtypeHashCode == ims.hashCode()) { 2955 return i; 2956 } 2957 } 2958 } 2959 return NOT_A_SUBTYPE_ID; 2960 } 2961 2962 private static ArrayList<InputMethodSubtype> getImplicitlyApplicableSubtypesLocked( 2963 Resources res, InputMethodInfo imi) { 2964 final List<InputMethodSubtype> subtypes = getSubtypes(imi); 2965 final String systemLocale = res.getConfiguration().locale.toString(); 2966 if (TextUtils.isEmpty(systemLocale)) return new ArrayList<InputMethodSubtype>(); 2967 final HashMap<String, InputMethodSubtype> applicableModeAndSubtypesMap = 2968 new HashMap<String, InputMethodSubtype>(); 2969 final int N = subtypes.size(); 2970 for (int i = 0; i < N; ++i) { 2971 // scan overriding implicitly enabled subtypes. 2972 InputMethodSubtype subtype = subtypes.get(i); 2973 if (subtype.overridesImplicitlyEnabledSubtype()) { 2974 final String mode = subtype.getMode(); 2975 if (!applicableModeAndSubtypesMap.containsKey(mode)) { 2976 applicableModeAndSubtypesMap.put(mode, subtype); 2977 } 2978 } 2979 } 2980 if (applicableModeAndSubtypesMap.size() > 0) { 2981 return new ArrayList<InputMethodSubtype>(applicableModeAndSubtypesMap.values()); 2982 } 2983 for (int i = 0; i < N; ++i) { 2984 final InputMethodSubtype subtype = subtypes.get(i); 2985 final String locale = subtype.getLocale(); 2986 final String mode = subtype.getMode(); 2987 // When system locale starts with subtype's locale, that subtype will be applicable 2988 // for system locale 2989 // For instance, it's clearly applicable for cases like system locale = en_US and 2990 // subtype = en, but it is not necessarily considered applicable for cases like system 2991 // locale = en and subtype = en_US. 2992 // We just call systemLocale.startsWith(locale) in this function because there is no 2993 // need to find applicable subtypes aggressively unlike 2994 // findLastResortApplicableSubtypeLocked. 2995 if (systemLocale.startsWith(locale)) { 2996 final InputMethodSubtype applicableSubtype = applicableModeAndSubtypesMap.get(mode); 2997 // If more applicable subtypes are contained, skip. 2998 if (applicableSubtype != null) { 2999 if (systemLocale.equals(applicableSubtype.getLocale())) continue; 3000 if (!systemLocale.equals(locale)) continue; 3001 } 3002 applicableModeAndSubtypesMap.put(mode, subtype); 3003 } 3004 } 3005 final InputMethodSubtype keyboardSubtype 3006 = applicableModeAndSubtypesMap.get(SUBTYPE_MODE_KEYBOARD); 3007 final ArrayList<InputMethodSubtype> applicableSubtypes = new ArrayList<InputMethodSubtype>( 3008 applicableModeAndSubtypesMap.values()); 3009 if (keyboardSubtype != null && !keyboardSubtype.containsExtraValueKey(TAG_ASCII_CAPABLE)) { 3010 for (int i = 0; i < N; ++i) { 3011 final InputMethodSubtype subtype = subtypes.get(i); 3012 final String mode = subtype.getMode(); 3013 if (SUBTYPE_MODE_KEYBOARD.equals(mode) && subtype.containsExtraValueKey( 3014 TAG_ENABLED_WHEN_DEFAULT_IS_NOT_ASCII_CAPABLE)) { 3015 applicableSubtypes.add(subtype); 3016 } 3017 } 3018 } 3019 if (keyboardSubtype == null) { 3020 InputMethodSubtype lastResortKeyboardSubtype = findLastResortApplicableSubtypeLocked( 3021 res, subtypes, SUBTYPE_MODE_KEYBOARD, systemLocale, true); 3022 if (lastResortKeyboardSubtype != null) { 3023 applicableSubtypes.add(lastResortKeyboardSubtype); 3024 } 3025 } 3026 return applicableSubtypes; 3027 } 3028 3029 /** 3030 * If there are no selected subtypes, tries finding the most applicable one according to the 3031 * given locale. 3032 * @param subtypes this function will search the most applicable subtype in subtypes 3033 * @param mode subtypes will be filtered by mode 3034 * @param locale subtypes will be filtered by locale 3035 * @param canIgnoreLocaleAsLastResort if this function can't find the most applicable subtype, 3036 * it will return the first subtype matched with mode 3037 * @return the most applicable subtypeId 3038 */ 3039 private static InputMethodSubtype findLastResortApplicableSubtypeLocked( 3040 Resources res, List<InputMethodSubtype> subtypes, String mode, String locale, 3041 boolean canIgnoreLocaleAsLastResort) { 3042 if (subtypes == null || subtypes.size() == 0) { 3043 return null; 3044 } 3045 if (TextUtils.isEmpty(locale)) { 3046 locale = res.getConfiguration().locale.toString(); 3047 } 3048 final String language = locale.substring(0, 2); 3049 boolean partialMatchFound = false; 3050 InputMethodSubtype applicableSubtype = null; 3051 InputMethodSubtype firstMatchedModeSubtype = null; 3052 final int N = subtypes.size(); 3053 for (int i = 0; i < N; ++i) { 3054 InputMethodSubtype subtype = subtypes.get(i); 3055 final String subtypeLocale = subtype.getLocale(); 3056 // An applicable subtype should match "mode". If mode is null, mode will be ignored, 3057 // and all subtypes with all modes can be candidates. 3058 if (mode == null || subtypes.get(i).getMode().equalsIgnoreCase(mode)) { 3059 if (firstMatchedModeSubtype == null) { 3060 firstMatchedModeSubtype = subtype; 3061 } 3062 if (locale.equals(subtypeLocale)) { 3063 // Exact match (e.g. system locale is "en_US" and subtype locale is "en_US") 3064 applicableSubtype = subtype; 3065 break; 3066 } else if (!partialMatchFound && subtypeLocale.startsWith(language)) { 3067 // Partial match (e.g. system locale is "en_US" and subtype locale is "en") 3068 applicableSubtype = subtype; 3069 partialMatchFound = true; 3070 } 3071 } 3072 } 3073 3074 if (applicableSubtype == null && canIgnoreLocaleAsLastResort) { 3075 return firstMatchedModeSubtype; 3076 } 3077 3078 // The first subtype applicable to the system locale will be defined as the most applicable 3079 // subtype. 3080 if (DEBUG) { 3081 if (applicableSubtype != null) { 3082 Slog.d(TAG, "Applicable InputMethodSubtype was found: " 3083 + applicableSubtype.getMode() + "," + applicableSubtype.getLocale()); 3084 } 3085 } 3086 return applicableSubtype; 3087 } 3088 3089 // If there are no selected shortcuts, tries finding the most applicable ones. 3090 private Pair<InputMethodInfo, InputMethodSubtype> 3091 findLastResortApplicableShortcutInputMethodAndSubtypeLocked(String mode) { 3092 List<InputMethodInfo> imis = mSettings.getEnabledInputMethodListLocked(); 3093 InputMethodInfo mostApplicableIMI = null; 3094 InputMethodSubtype mostApplicableSubtype = null; 3095 boolean foundInSystemIME = false; 3096 3097 // Search applicable subtype for each InputMethodInfo 3098 for (InputMethodInfo imi: imis) { 3099 final String imiId = imi.getId(); 3100 if (foundInSystemIME && !imiId.equals(mCurMethodId)) { 3101 continue; 3102 } 3103 InputMethodSubtype subtype = null; 3104 final List<InputMethodSubtype> enabledSubtypes = 3105 getEnabledInputMethodSubtypeListLocked(imi, true); 3106 // 1. Search by the current subtype's locale from enabledSubtypes. 3107 if (mCurrentSubtype != null) { 3108 subtype = findLastResortApplicableSubtypeLocked( 3109 mRes, enabledSubtypes, mode, mCurrentSubtype.getLocale(), false); 3110 } 3111 // 2. Search by the system locale from enabledSubtypes. 3112 // 3. Search the first enabled subtype matched with mode from enabledSubtypes. 3113 if (subtype == null) { 3114 subtype = findLastResortApplicableSubtypeLocked( 3115 mRes, enabledSubtypes, mode, null, true); 3116 } 3117 final ArrayList<InputMethodSubtype> overridingImplicitlyEnabledSubtypes = 3118 getOverridingImplicitlyEnabledSubtypes(imi, mode); 3119 final ArrayList<InputMethodSubtype> subtypesForSearch = 3120 overridingImplicitlyEnabledSubtypes.isEmpty() 3121 ? getSubtypes(imi) : overridingImplicitlyEnabledSubtypes; 3122 // 4. Search by the current subtype's locale from all subtypes. 3123 if (subtype == null && mCurrentSubtype != null) { 3124 subtype = findLastResortApplicableSubtypeLocked( 3125 mRes, subtypesForSearch, mode, mCurrentSubtype.getLocale(), false); 3126 } 3127 // 5. Search by the system locale from all subtypes. 3128 // 6. Search the first enabled subtype matched with mode from all subtypes. 3129 if (subtype == null) { 3130 subtype = findLastResortApplicableSubtypeLocked( 3131 mRes, subtypesForSearch, mode, null, true); 3132 } 3133 if (subtype != null) { 3134 if (imiId.equals(mCurMethodId)) { 3135 // The current input method is the most applicable IME. 3136 mostApplicableIMI = imi; 3137 mostApplicableSubtype = subtype; 3138 break; 3139 } else if (!foundInSystemIME) { 3140 // The system input method is 2nd applicable IME. 3141 mostApplicableIMI = imi; 3142 mostApplicableSubtype = subtype; 3143 if ((imi.getServiceInfo().applicationInfo.flags 3144 & ApplicationInfo.FLAG_SYSTEM) != 0) { 3145 foundInSystemIME = true; 3146 } 3147 } 3148 } 3149 } 3150 if (DEBUG) { 3151 if (mostApplicableIMI != null) { 3152 Slog.w(TAG, "Most applicable shortcut input method was:" 3153 + mostApplicableIMI.getId()); 3154 if (mostApplicableSubtype != null) { 3155 Slog.w(TAG, "Most applicable shortcut input method subtype was:" 3156 + "," + mostApplicableSubtype.getMode() + "," 3157 + mostApplicableSubtype.getLocale()); 3158 } 3159 } 3160 } 3161 if (mostApplicableIMI != null) { 3162 return new Pair<InputMethodInfo, InputMethodSubtype> (mostApplicableIMI, 3163 mostApplicableSubtype); 3164 } else { 3165 return null; 3166 } 3167 } 3168 3169 /** 3170 * @return Return the current subtype of this input method. 3171 */ 3172 @Override 3173 public InputMethodSubtype getCurrentInputMethodSubtype() { 3174 // TODO: Make this work even for non-current users? 3175 if (!calledFromValidUser()) { 3176 return null; 3177 } 3178 synchronized (mMethodMap) { 3179 return getCurrentInputMethodSubtypeLocked(); 3180 } 3181 } 3182 3183 private InputMethodSubtype getCurrentInputMethodSubtypeLocked() { 3184 if (mCurMethodId == null) { 3185 return null; 3186 } 3187 final boolean subtypeIsSelected = 3188 mSettings.getSelectedInputMethodSubtypeHashCode() != NOT_A_SUBTYPE_ID; 3189 final InputMethodInfo imi = mMethodMap.get(mCurMethodId); 3190 if (imi == null || imi.getSubtypeCount() == 0) { 3191 return null; 3192 } 3193 if (!subtypeIsSelected || mCurrentSubtype == null 3194 || !isValidSubtypeId(imi, mCurrentSubtype.hashCode())) { 3195 int subtypeId = getSelectedInputMethodSubtypeId(mCurMethodId); 3196 if (subtypeId == NOT_A_SUBTYPE_ID) { 3197 // If there are no selected subtypes, the framework will try to find 3198 // the most applicable subtype from explicitly or implicitly enabled 3199 // subtypes. 3200 List<InputMethodSubtype> explicitlyOrImplicitlyEnabledSubtypes = 3201 getEnabledInputMethodSubtypeListLocked(imi, true); 3202 // If there is only one explicitly or implicitly enabled subtype, 3203 // just returns it. 3204 if (explicitlyOrImplicitlyEnabledSubtypes.size() == 1) { 3205 mCurrentSubtype = explicitlyOrImplicitlyEnabledSubtypes.get(0); 3206 } else if (explicitlyOrImplicitlyEnabledSubtypes.size() > 1) { 3207 mCurrentSubtype = findLastResortApplicableSubtypeLocked( 3208 mRes, explicitlyOrImplicitlyEnabledSubtypes, 3209 SUBTYPE_MODE_KEYBOARD, null, true); 3210 if (mCurrentSubtype == null) { 3211 mCurrentSubtype = findLastResortApplicableSubtypeLocked( 3212 mRes, explicitlyOrImplicitlyEnabledSubtypes, null, null, 3213 true); 3214 } 3215 } 3216 } else { 3217 mCurrentSubtype = getSubtypes(imi).get(subtypeId); 3218 } 3219 } 3220 return mCurrentSubtype; 3221 } 3222 3223 private void addShortcutInputMethodAndSubtypes(InputMethodInfo imi, 3224 InputMethodSubtype subtype) { 3225 if (mShortcutInputMethodsAndSubtypes.containsKey(imi)) { 3226 mShortcutInputMethodsAndSubtypes.get(imi).add(subtype); 3227 } else { 3228 ArrayList<InputMethodSubtype> subtypes = new ArrayList<InputMethodSubtype>(); 3229 subtypes.add(subtype); 3230 mShortcutInputMethodsAndSubtypes.put(imi, subtypes); 3231 } 3232 } 3233 3234 // TODO: We should change the return type from List to List<Parcelable> 3235 @SuppressWarnings("rawtypes") 3236 @Override 3237 public List getShortcutInputMethodsAndSubtypes() { 3238 synchronized (mMethodMap) { 3239 ArrayList<Object> ret = new ArrayList<Object>(); 3240 if (mShortcutInputMethodsAndSubtypes.size() == 0) { 3241 // If there are no selected shortcut subtypes, the framework will try to find 3242 // the most applicable subtype from all subtypes whose mode is 3243 // SUBTYPE_MODE_VOICE. This is an exceptional case, so we will hardcode the mode. 3244 Pair<InputMethodInfo, InputMethodSubtype> info = 3245 findLastResortApplicableShortcutInputMethodAndSubtypeLocked( 3246 SUBTYPE_MODE_VOICE); 3247 if (info != null) { 3248 ret.add(info.first); 3249 ret.add(info.second); 3250 } 3251 return ret; 3252 } 3253 for (InputMethodInfo imi: mShortcutInputMethodsAndSubtypes.keySet()) { 3254 ret.add(imi); 3255 for (InputMethodSubtype subtype: mShortcutInputMethodsAndSubtypes.get(imi)) { 3256 ret.add(subtype); 3257 } 3258 } 3259 return ret; 3260 } 3261 } 3262 3263 @Override 3264 public boolean setCurrentInputMethodSubtype(InputMethodSubtype subtype) { 3265 // TODO: Make this work even for non-current users? 3266 if (!calledFromValidUser()) { 3267 return false; 3268 } 3269 synchronized (mMethodMap) { 3270 if (subtype != null && mCurMethodId != null) { 3271 InputMethodInfo imi = mMethodMap.get(mCurMethodId); 3272 int subtypeId = getSubtypeIdFromHashCode(imi, subtype.hashCode()); 3273 if (subtypeId != NOT_A_SUBTYPE_ID) { 3274 setInputMethodLocked(mCurMethodId, subtypeId); 3275 return true; 3276 } 3277 } 3278 return false; 3279 } 3280 } 3281 3282 private static class InputMethodAndSubtypeListManager { 3283 private final Context mContext; 3284 // Used to load label 3285 private final PackageManager mPm; 3286 private final InputMethodManagerService mImms; 3287 private final String mSystemLocaleStr; 3288 public InputMethodAndSubtypeListManager(Context context, InputMethodManagerService imms) { 3289 mContext = context; 3290 mPm = context.getPackageManager(); 3291 mImms = imms; 3292 final Locale locale = context.getResources().getConfiguration().locale; 3293 mSystemLocaleStr = locale != null ? locale.toString() : ""; 3294 } 3295 3296 private final TreeMap<InputMethodInfo, List<InputMethodSubtype>> mSortedImmis = 3297 new TreeMap<InputMethodInfo, List<InputMethodSubtype>>( 3298 new Comparator<InputMethodInfo>() { 3299 @Override 3300 public int compare(InputMethodInfo imi1, InputMethodInfo imi2) { 3301 if (imi2 == null) return 0; 3302 if (imi1 == null) return 1; 3303 if (mPm == null) { 3304 return imi1.getId().compareTo(imi2.getId()); 3305 } 3306 CharSequence imiId1 = imi1.loadLabel(mPm) + "/" + imi1.getId(); 3307 CharSequence imiId2 = imi2.loadLabel(mPm) + "/" + imi2.getId(); 3308 return imiId1.toString().compareTo(imiId2.toString()); 3309 } 3310 }); 3311 3312 public ImeSubtypeListItem getNextInputMethod( 3313 boolean onlyCurrentIme, InputMethodInfo imi, InputMethodSubtype subtype) { 3314 if (imi == null) { 3315 return null; 3316 } 3317 final List<ImeSubtypeListItem> imList = getSortedInputMethodAndSubtypeList(); 3318 if (imList.size() <= 1) { 3319 return null; 3320 } 3321 final int N = imList.size(); 3322 final int currentSubtypeId = subtype != null 3323 ? getSubtypeIdFromHashCode(imi, subtype.hashCode()) 3324 : NOT_A_SUBTYPE_ID; 3325 for (int i = 0; i < N; ++i) { 3326 final ImeSubtypeListItem isli = imList.get(i); 3327 if (isli.mImi.equals(imi) && isli.mSubtypeId == currentSubtypeId) { 3328 if (!onlyCurrentIme) { 3329 return imList.get((i + 1) % N); 3330 } 3331 for (int j = 0; j < N - 1; ++j) { 3332 final ImeSubtypeListItem candidate = imList.get((i + j + 1) % N); 3333 if (candidate.mImi.equals(imi)) { 3334 return candidate; 3335 } 3336 } 3337 return null; 3338 } 3339 } 3340 return null; 3341 } 3342 3343 public List<ImeSubtypeListItem> getSortedInputMethodAndSubtypeList() { 3344 return getSortedInputMethodAndSubtypeList(true, false, false); 3345 } 3346 3347 public List<ImeSubtypeListItem> getSortedInputMethodAndSubtypeList(boolean showSubtypes, 3348 boolean inputShown, boolean isScreenLocked) { 3349 final ArrayList<ImeSubtypeListItem> imList = new ArrayList<ImeSubtypeListItem>(); 3350 final HashMap<InputMethodInfo, List<InputMethodSubtype>> immis = 3351 mImms.getExplicitlyOrImplicitlyEnabledInputMethodsAndSubtypeListLocked(); 3352 if (immis == null || immis.size() == 0) { 3353 return Collections.emptyList(); 3354 } 3355 mSortedImmis.clear(); 3356 mSortedImmis.putAll(immis); 3357 for (InputMethodInfo imi : mSortedImmis.keySet()) { 3358 if (imi == null) continue; 3359 List<InputMethodSubtype> explicitlyOrImplicitlyEnabledSubtypeList = immis.get(imi); 3360 HashSet<String> enabledSubtypeSet = new HashSet<String>(); 3361 for (InputMethodSubtype subtype: explicitlyOrImplicitlyEnabledSubtypeList) { 3362 enabledSubtypeSet.add(String.valueOf(subtype.hashCode())); 3363 } 3364 ArrayList<InputMethodSubtype> subtypes = getSubtypes(imi); 3365 final CharSequence imeLabel = imi.loadLabel(mPm); 3366 if (showSubtypes && enabledSubtypeSet.size() > 0) { 3367 final int subtypeCount = imi.getSubtypeCount(); 3368 if (DEBUG) { 3369 Slog.v(TAG, "Add subtypes: " + subtypeCount + ", " + imi.getId()); 3370 } 3371 for (int j = 0; j < subtypeCount; ++j) { 3372 final InputMethodSubtype subtype = imi.getSubtypeAt(j); 3373 final String subtypeHashCode = String.valueOf(subtype.hashCode()); 3374 // We show all enabled IMEs and subtypes when an IME is shown. 3375 if (enabledSubtypeSet.contains(subtypeHashCode) 3376 && ((inputShown && !isScreenLocked) || !subtype.isAuxiliary())) { 3377 final CharSequence subtypeLabel = 3378 subtype.overridesImplicitlyEnabledSubtype() ? null 3379 : subtype.getDisplayName(mContext, imi.getPackageName(), 3380 imi.getServiceInfo().applicationInfo); 3381 imList.add(new ImeSubtypeListItem(imeLabel, subtypeLabel, imi, j, 3382 subtype.getLocale(), mSystemLocaleStr)); 3383 3384 // Removing this subtype from enabledSubtypeSet because we no longer 3385 // need to add an entry of this subtype to imList to avoid duplicated 3386 // entries. 3387 enabledSubtypeSet.remove(subtypeHashCode); 3388 } 3389 } 3390 } else { 3391 imList.add(new ImeSubtypeListItem(imeLabel, null, imi, NOT_A_SUBTYPE_ID, 3392 null, mSystemLocaleStr)); 3393 } 3394 } 3395 Collections.sort(imList); 3396 return imList; 3397 } 3398 } 3399 3400 /** 3401 * Utility class for putting and getting settings for InputMethod 3402 * TODO: Move all putters and getters of settings to this class. 3403 */ 3404 private static class InputMethodSettings { 3405 // The string for enabled input method is saved as follows: 3406 // example: ("ime0;subtype0;subtype1;subtype2:ime1:ime2;subtype0") 3407 private static final char INPUT_METHOD_SEPARATER = ':'; 3408 private static final char INPUT_METHOD_SUBTYPE_SEPARATER = ';'; 3409 private final TextUtils.SimpleStringSplitter mInputMethodSplitter = 3410 new TextUtils.SimpleStringSplitter(INPUT_METHOD_SEPARATER); 3411 3412 private final TextUtils.SimpleStringSplitter mSubtypeSplitter = 3413 new TextUtils.SimpleStringSplitter(INPUT_METHOD_SUBTYPE_SEPARATER); 3414 3415 private final Resources mRes; 3416 private final ContentResolver mResolver; 3417 private final HashMap<String, InputMethodInfo> mMethodMap; 3418 private final ArrayList<InputMethodInfo> mMethodList; 3419 3420 private String mEnabledInputMethodsStrCache; 3421 private int mCurrentUserId; 3422 3423 private static void buildEnabledInputMethodsSettingString( 3424 StringBuilder builder, Pair<String, ArrayList<String>> pair) { 3425 String id = pair.first; 3426 ArrayList<String> subtypes = pair.second; 3427 builder.append(id); 3428 // Inputmethod and subtypes are saved in the settings as follows: 3429 // ime0;subtype0;subtype1:ime1;subtype0:ime2:ime3;subtype0;subtype1 3430 for (String subtypeId: subtypes) { 3431 builder.append(INPUT_METHOD_SUBTYPE_SEPARATER).append(subtypeId); 3432 } 3433 } 3434 3435 public InputMethodSettings( 3436 Resources res, ContentResolver resolver, 3437 HashMap<String, InputMethodInfo> methodMap, ArrayList<InputMethodInfo> methodList, 3438 int userId) { 3439 setCurrentUserId(userId); 3440 mRes = res; 3441 mResolver = resolver; 3442 mMethodMap = methodMap; 3443 mMethodList = methodList; 3444 } 3445 3446 public void setCurrentUserId(int userId) { 3447 if (DEBUG) { 3448 Slog.d(TAG, "--- Swtich the current user from " + mCurrentUserId + " to " 3449 + userId + ", new ime = " + getSelectedInputMethod()); 3450 } 3451 // IMMS settings are kept per user, so keep track of current user 3452 mCurrentUserId = userId; 3453 } 3454 3455 public List<InputMethodInfo> getEnabledInputMethodListLocked() { 3456 return createEnabledInputMethodListLocked( 3457 getEnabledInputMethodsAndSubtypeListLocked()); 3458 } 3459 3460 public List<Pair<InputMethodInfo, ArrayList<String>>> 3461 getEnabledInputMethodAndSubtypeHashCodeListLocked() { 3462 return createEnabledInputMethodAndSubtypeHashCodeListLocked( 3463 getEnabledInputMethodsAndSubtypeListLocked()); 3464 } 3465 3466 public List<InputMethodSubtype> getEnabledInputMethodSubtypeListLocked( 3467 InputMethodInfo imi) { 3468 List<Pair<String, ArrayList<String>>> imsList = 3469 getEnabledInputMethodsAndSubtypeListLocked(); 3470 ArrayList<InputMethodSubtype> enabledSubtypes = 3471 new ArrayList<InputMethodSubtype>(); 3472 if (imi != null) { 3473 for (Pair<String, ArrayList<String>> imsPair : imsList) { 3474 InputMethodInfo info = mMethodMap.get(imsPair.first); 3475 if (info != null && info.getId().equals(imi.getId())) { 3476 final int subtypeCount = info.getSubtypeCount(); 3477 for (int i = 0; i < subtypeCount; ++i) { 3478 InputMethodSubtype ims = info.getSubtypeAt(i); 3479 for (String s: imsPair.second) { 3480 if (String.valueOf(ims.hashCode()).equals(s)) { 3481 enabledSubtypes.add(ims); 3482 } 3483 } 3484 } 3485 break; 3486 } 3487 } 3488 } 3489 return enabledSubtypes; 3490 } 3491 3492 // At the initial boot, the settings for input methods are not set, 3493 // so we need to enable IME in that case. 3494 public void enableAllIMEsIfThereIsNoEnabledIME() { 3495 if (TextUtils.isEmpty(getEnabledInputMethodsStr())) { 3496 StringBuilder sb = new StringBuilder(); 3497 final int N = mMethodList.size(); 3498 for (int i = 0; i < N; i++) { 3499 InputMethodInfo imi = mMethodList.get(i); 3500 Slog.i(TAG, "Adding: " + imi.getId()); 3501 if (i > 0) sb.append(':'); 3502 sb.append(imi.getId()); 3503 } 3504 putEnabledInputMethodsStr(sb.toString()); 3505 } 3506 } 3507 3508 private List<Pair<String, ArrayList<String>>> getEnabledInputMethodsAndSubtypeListLocked() { 3509 ArrayList<Pair<String, ArrayList<String>>> imsList 3510 = new ArrayList<Pair<String, ArrayList<String>>>(); 3511 final String enabledInputMethodsStr = getEnabledInputMethodsStr(); 3512 if (TextUtils.isEmpty(enabledInputMethodsStr)) { 3513 return imsList; 3514 } 3515 mInputMethodSplitter.setString(enabledInputMethodsStr); 3516 while (mInputMethodSplitter.hasNext()) { 3517 String nextImsStr = mInputMethodSplitter.next(); 3518 mSubtypeSplitter.setString(nextImsStr); 3519 if (mSubtypeSplitter.hasNext()) { 3520 ArrayList<String> subtypeHashes = new ArrayList<String>(); 3521 // The first element is ime id. 3522 String imeId = mSubtypeSplitter.next(); 3523 while (mSubtypeSplitter.hasNext()) { 3524 subtypeHashes.add(mSubtypeSplitter.next()); 3525 } 3526 imsList.add(new Pair<String, ArrayList<String>>(imeId, subtypeHashes)); 3527 } 3528 } 3529 return imsList; 3530 } 3531 3532 public void appendAndPutEnabledInputMethodLocked(String id, boolean reloadInputMethodStr) { 3533 if (reloadInputMethodStr) { 3534 getEnabledInputMethodsStr(); 3535 } 3536 if (TextUtils.isEmpty(mEnabledInputMethodsStrCache)) { 3537 // Add in the newly enabled input method. 3538 putEnabledInputMethodsStr(id); 3539 } else { 3540 putEnabledInputMethodsStr( 3541 mEnabledInputMethodsStrCache + INPUT_METHOD_SEPARATER + id); 3542 } 3543 } 3544 3545 /** 3546 * Build and put a string of EnabledInputMethods with removing specified Id. 3547 * @return the specified id was removed or not. 3548 */ 3549 public boolean buildAndPutEnabledInputMethodsStrRemovingIdLocked( 3550 StringBuilder builder, List<Pair<String, ArrayList<String>>> imsList, String id) { 3551 boolean isRemoved = false; 3552 boolean needsAppendSeparator = false; 3553 for (Pair<String, ArrayList<String>> ims: imsList) { 3554 String curId = ims.first; 3555 if (curId.equals(id)) { 3556 // We are disabling this input method, and it is 3557 // currently enabled. Skip it to remove from the 3558 // new list. 3559 isRemoved = true; 3560 } else { 3561 if (needsAppendSeparator) { 3562 builder.append(INPUT_METHOD_SEPARATER); 3563 } else { 3564 needsAppendSeparator = true; 3565 } 3566 buildEnabledInputMethodsSettingString(builder, ims); 3567 } 3568 } 3569 if (isRemoved) { 3570 // Update the setting with the new list of input methods. 3571 putEnabledInputMethodsStr(builder.toString()); 3572 } 3573 return isRemoved; 3574 } 3575 3576 private List<InputMethodInfo> createEnabledInputMethodListLocked( 3577 List<Pair<String, ArrayList<String>>> imsList) { 3578 final ArrayList<InputMethodInfo> res = new ArrayList<InputMethodInfo>(); 3579 for (Pair<String, ArrayList<String>> ims: imsList) { 3580 InputMethodInfo info = mMethodMap.get(ims.first); 3581 if (info != null) { 3582 res.add(info); 3583 } 3584 } 3585 return res; 3586 } 3587 3588 private List<Pair<InputMethodInfo, ArrayList<String>>> 3589 createEnabledInputMethodAndSubtypeHashCodeListLocked( 3590 List<Pair<String, ArrayList<String>>> imsList) { 3591 final ArrayList<Pair<InputMethodInfo, ArrayList<String>>> res 3592 = new ArrayList<Pair<InputMethodInfo, ArrayList<String>>>(); 3593 for (Pair<String, ArrayList<String>> ims : imsList) { 3594 InputMethodInfo info = mMethodMap.get(ims.first); 3595 if (info != null) { 3596 res.add(new Pair<InputMethodInfo, ArrayList<String>>(info, ims.second)); 3597 } 3598 } 3599 return res; 3600 } 3601 3602 private void putEnabledInputMethodsStr(String str) { 3603 Settings.Secure.putStringForUser( 3604 mResolver, Settings.Secure.ENABLED_INPUT_METHODS, str, mCurrentUserId); 3605 mEnabledInputMethodsStrCache = str; 3606 if (DEBUG) { 3607 Slog.d(TAG, "putEnabledInputMethodStr: " + str); 3608 } 3609 } 3610 3611 private String getEnabledInputMethodsStr() { 3612 mEnabledInputMethodsStrCache = Settings.Secure.getStringForUser( 3613 mResolver, Settings.Secure.ENABLED_INPUT_METHODS, mCurrentUserId); 3614 if (DEBUG) { 3615 Slog.d(TAG, "getEnabledInputMethodsStr: " + mEnabledInputMethodsStrCache 3616 + ", " + mCurrentUserId); 3617 } 3618 return mEnabledInputMethodsStrCache; 3619 } 3620 3621 private void saveSubtypeHistory( 3622 List<Pair<String, String>> savedImes, String newImeId, String newSubtypeId) { 3623 StringBuilder builder = new StringBuilder(); 3624 boolean isImeAdded = false; 3625 if (!TextUtils.isEmpty(newImeId) && !TextUtils.isEmpty(newSubtypeId)) { 3626 builder.append(newImeId).append(INPUT_METHOD_SUBTYPE_SEPARATER).append( 3627 newSubtypeId); 3628 isImeAdded = true; 3629 } 3630 for (Pair<String, String> ime: savedImes) { 3631 String imeId = ime.first; 3632 String subtypeId = ime.second; 3633 if (TextUtils.isEmpty(subtypeId)) { 3634 subtypeId = NOT_A_SUBTYPE_ID_STR; 3635 } 3636 if (isImeAdded) { 3637 builder.append(INPUT_METHOD_SEPARATER); 3638 } else { 3639 isImeAdded = true; 3640 } 3641 builder.append(imeId).append(INPUT_METHOD_SUBTYPE_SEPARATER).append( 3642 subtypeId); 3643 } 3644 // Remove the last INPUT_METHOD_SEPARATER 3645 putSubtypeHistoryStr(builder.toString()); 3646 } 3647 3648 public void addSubtypeToHistory(String imeId, String subtypeId) { 3649 List<Pair<String, String>> subtypeHistory = loadInputMethodAndSubtypeHistoryLocked(); 3650 for (Pair<String, String> ime: subtypeHistory) { 3651 if (ime.first.equals(imeId)) { 3652 if (DEBUG) { 3653 Slog.v(TAG, "Subtype found in the history: " + imeId + ", " 3654 + ime.second); 3655 } 3656 // We should break here 3657 subtypeHistory.remove(ime); 3658 break; 3659 } 3660 } 3661 if (DEBUG) { 3662 Slog.v(TAG, "Add subtype to the history: " + imeId + ", " + subtypeId); 3663 } 3664 saveSubtypeHistory(subtypeHistory, imeId, subtypeId); 3665 } 3666 3667 private void putSubtypeHistoryStr(String str) { 3668 if (DEBUG) { 3669 Slog.d(TAG, "putSubtypeHistoryStr: " + str); 3670 } 3671 Settings.Secure.putStringForUser( 3672 mResolver, Settings.Secure.INPUT_METHODS_SUBTYPE_HISTORY, str, mCurrentUserId); 3673 } 3674 3675 public Pair<String, String> getLastInputMethodAndSubtypeLocked() { 3676 // Gets the first one from the history 3677 return getLastSubtypeForInputMethodLockedInternal(null); 3678 } 3679 3680 public String getLastSubtypeForInputMethodLocked(String imeId) { 3681 Pair<String, String> ime = getLastSubtypeForInputMethodLockedInternal(imeId); 3682 if (ime != null) { 3683 return ime.second; 3684 } else { 3685 return null; 3686 } 3687 } 3688 3689 private Pair<String, String> getLastSubtypeForInputMethodLockedInternal(String imeId) { 3690 List<Pair<String, ArrayList<String>>> enabledImes = 3691 getEnabledInputMethodsAndSubtypeListLocked(); 3692 List<Pair<String, String>> subtypeHistory = loadInputMethodAndSubtypeHistoryLocked(); 3693 for (Pair<String, String> imeAndSubtype : subtypeHistory) { 3694 final String imeInTheHistory = imeAndSubtype.first; 3695 // If imeId is empty, returns the first IME and subtype in the history 3696 if (TextUtils.isEmpty(imeId) || imeInTheHistory.equals(imeId)) { 3697 final String subtypeInTheHistory = imeAndSubtype.second; 3698 final String subtypeHashCode = 3699 getEnabledSubtypeHashCodeForInputMethodAndSubtypeLocked( 3700 enabledImes, imeInTheHistory, subtypeInTheHistory); 3701 if (!TextUtils.isEmpty(subtypeHashCode)) { 3702 if (DEBUG) { 3703 Slog.d(TAG, "Enabled subtype found in the history: " + subtypeHashCode); 3704 } 3705 return new Pair<String, String>(imeInTheHistory, subtypeHashCode); 3706 } 3707 } 3708 } 3709 if (DEBUG) { 3710 Slog.d(TAG, "No enabled IME found in the history"); 3711 } 3712 return null; 3713 } 3714 3715 private String getEnabledSubtypeHashCodeForInputMethodAndSubtypeLocked(List<Pair<String, 3716 ArrayList<String>>> enabledImes, String imeId, String subtypeHashCode) { 3717 for (Pair<String, ArrayList<String>> enabledIme: enabledImes) { 3718 if (enabledIme.first.equals(imeId)) { 3719 final ArrayList<String> explicitlyEnabledSubtypes = enabledIme.second; 3720 final InputMethodInfo imi = mMethodMap.get(imeId); 3721 if (explicitlyEnabledSubtypes.size() == 0) { 3722 // If there are no explicitly enabled subtypes, applicable subtypes are 3723 // enabled implicitly. 3724 // If IME is enabled and no subtypes are enabled, applicable subtypes 3725 // are enabled implicitly, so needs to treat them to be enabled. 3726 if (imi != null && imi.getSubtypeCount() > 0) { 3727 List<InputMethodSubtype> implicitlySelectedSubtypes = 3728 getImplicitlyApplicableSubtypesLocked(mRes, imi); 3729 if (implicitlySelectedSubtypes != null) { 3730 final int N = implicitlySelectedSubtypes.size(); 3731 for (int i = 0; i < N; ++i) { 3732 final InputMethodSubtype st = implicitlySelectedSubtypes.get(i); 3733 if (String.valueOf(st.hashCode()).equals(subtypeHashCode)) { 3734 return subtypeHashCode; 3735 } 3736 } 3737 } 3738 } 3739 } else { 3740 for (String s: explicitlyEnabledSubtypes) { 3741 if (s.equals(subtypeHashCode)) { 3742 // If both imeId and subtypeId are enabled, return subtypeId. 3743 try { 3744 final int hashCode = Integer.valueOf(subtypeHashCode); 3745 // Check whether the subtype id is valid or not 3746 if (isValidSubtypeId(imi, hashCode)) { 3747 return s; 3748 } else { 3749 return NOT_A_SUBTYPE_ID_STR; 3750 } 3751 } catch (NumberFormatException e) { 3752 return NOT_A_SUBTYPE_ID_STR; 3753 } 3754 } 3755 } 3756 } 3757 // If imeId was enabled but subtypeId was disabled. 3758 return NOT_A_SUBTYPE_ID_STR; 3759 } 3760 } 3761 // If both imeId and subtypeId are disabled, return null 3762 return null; 3763 } 3764 3765 private List<Pair<String, String>> loadInputMethodAndSubtypeHistoryLocked() { 3766 ArrayList<Pair<String, String>> imsList = new ArrayList<Pair<String, String>>(); 3767 final String subtypeHistoryStr = getSubtypeHistoryStr(); 3768 if (TextUtils.isEmpty(subtypeHistoryStr)) { 3769 return imsList; 3770 } 3771 mInputMethodSplitter.setString(subtypeHistoryStr); 3772 while (mInputMethodSplitter.hasNext()) { 3773 String nextImsStr = mInputMethodSplitter.next(); 3774 mSubtypeSplitter.setString(nextImsStr); 3775 if (mSubtypeSplitter.hasNext()) { 3776 String subtypeId = NOT_A_SUBTYPE_ID_STR; 3777 // The first element is ime id. 3778 String imeId = mSubtypeSplitter.next(); 3779 while (mSubtypeSplitter.hasNext()) { 3780 subtypeId = mSubtypeSplitter.next(); 3781 break; 3782 } 3783 imsList.add(new Pair<String, String>(imeId, subtypeId)); 3784 } 3785 } 3786 return imsList; 3787 } 3788 3789 private String getSubtypeHistoryStr() { 3790 if (DEBUG) { 3791 Slog.d(TAG, "getSubtypeHistoryStr: " + Settings.Secure.getStringForUser( 3792 mResolver, Settings.Secure.INPUT_METHODS_SUBTYPE_HISTORY, mCurrentUserId)); 3793 } 3794 return Settings.Secure.getStringForUser( 3795 mResolver, Settings.Secure.INPUT_METHODS_SUBTYPE_HISTORY, mCurrentUserId); 3796 } 3797 3798 public void putSelectedInputMethod(String imeId) { 3799 if (DEBUG) { 3800 Slog.d(TAG, "putSelectedInputMethodStr: " + imeId + ", " 3801 + mCurrentUserId); 3802 } 3803 Settings.Secure.putStringForUser( 3804 mResolver, Settings.Secure.DEFAULT_INPUT_METHOD, imeId, mCurrentUserId); 3805 } 3806 3807 public void putSelectedSubtype(int subtypeId) { 3808 if (DEBUG) { 3809 Slog.d(TAG, "putSelectedInputMethodSubtypeStr: " + subtypeId + ", " 3810 + mCurrentUserId); 3811 } 3812 Settings.Secure.putIntForUser(mResolver, Settings.Secure.SELECTED_INPUT_METHOD_SUBTYPE, 3813 subtypeId, mCurrentUserId); 3814 } 3815 3816 public String getDisabledSystemInputMethods() { 3817 return Settings.Secure.getStringForUser( 3818 mResolver, Settings.Secure.DISABLED_SYSTEM_INPUT_METHODS, mCurrentUserId); 3819 } 3820 3821 public String getSelectedInputMethod() { 3822 if (DEBUG) { 3823 Slog.d(TAG, "getSelectedInputMethodStr: " + Settings.Secure.getStringForUser( 3824 mResolver, Settings.Secure.DEFAULT_INPUT_METHOD, mCurrentUserId) 3825 + ", " + mCurrentUserId); 3826 } 3827 return Settings.Secure.getStringForUser( 3828 mResolver, Settings.Secure.DEFAULT_INPUT_METHOD, mCurrentUserId); 3829 } 3830 3831 public int getSelectedInputMethodSubtypeHashCode() { 3832 try { 3833 return Settings.Secure.getIntForUser( 3834 mResolver, Settings.Secure.SELECTED_INPUT_METHOD_SUBTYPE, mCurrentUserId); 3835 } catch (SettingNotFoundException e) { 3836 return NOT_A_SUBTYPE_ID; 3837 } 3838 } 3839 3840 public int getCurrentUserId() { 3841 return mCurrentUserId; 3842 } 3843 } 3844 3845 // TODO: Cache the state for each user and reset when the cached user is removed. 3846 private static class InputMethodFileManager { 3847 private static final String SYSTEM_PATH = "system"; 3848 private static final String INPUT_METHOD_PATH = "inputmethod"; 3849 private static final String ADDITIONAL_SUBTYPES_FILE_NAME = "subtypes.xml"; 3850 private static final String NODE_SUBTYPES = "subtypes"; 3851 private static final String NODE_SUBTYPE = "subtype"; 3852 private static final String NODE_IMI = "imi"; 3853 private static final String ATTR_ID = "id"; 3854 private static final String ATTR_LABEL = "label"; 3855 private static final String ATTR_ICON = "icon"; 3856 private static final String ATTR_IME_SUBTYPE_LOCALE = "imeSubtypeLocale"; 3857 private static final String ATTR_IME_SUBTYPE_MODE = "imeSubtypeMode"; 3858 private static final String ATTR_IME_SUBTYPE_EXTRA_VALUE = "imeSubtypeExtraValue"; 3859 private static final String ATTR_IS_AUXILIARY = "isAuxiliary"; 3860 private final AtomicFile mAdditionalInputMethodSubtypeFile; 3861 private final HashMap<String, InputMethodInfo> mMethodMap; 3862 private final HashMap<String, List<InputMethodSubtype>> mAdditionalSubtypesMap = 3863 new HashMap<String, List<InputMethodSubtype>>(); 3864 public InputMethodFileManager(HashMap<String, InputMethodInfo> methodMap, int userId) { 3865 if (methodMap == null) { 3866 throw new NullPointerException("methodMap is null"); 3867 } 3868 mMethodMap = methodMap; 3869 final File systemDir = userId == UserHandle.USER_OWNER 3870 ? new File(Environment.getDataDirectory(), SYSTEM_PATH) 3871 : Environment.getUserSystemDirectory(userId); 3872 final File inputMethodDir = new File(systemDir, INPUT_METHOD_PATH); 3873 if (!inputMethodDir.mkdirs()) { 3874 Slog.w(TAG, "Couldn't create dir.: " + inputMethodDir.getAbsolutePath()); 3875 } 3876 final File subtypeFile = new File(inputMethodDir, ADDITIONAL_SUBTYPES_FILE_NAME); 3877 mAdditionalInputMethodSubtypeFile = new AtomicFile(subtypeFile); 3878 if (!subtypeFile.exists()) { 3879 // If "subtypes.xml" doesn't exist, create a blank file. 3880 writeAdditionalInputMethodSubtypes( 3881 mAdditionalSubtypesMap, mAdditionalInputMethodSubtypeFile, methodMap); 3882 } else { 3883 readAdditionalInputMethodSubtypes( 3884 mAdditionalSubtypesMap, mAdditionalInputMethodSubtypeFile); 3885 } 3886 } 3887 3888 private void deleteAllInputMethodSubtypes(String imiId) { 3889 synchronized (mMethodMap) { 3890 mAdditionalSubtypesMap.remove(imiId); 3891 writeAdditionalInputMethodSubtypes( 3892 mAdditionalSubtypesMap, mAdditionalInputMethodSubtypeFile, mMethodMap); 3893 } 3894 } 3895 3896 public void addInputMethodSubtypes( 3897 InputMethodInfo imi, InputMethodSubtype[] additionalSubtypes) { 3898 synchronized (mMethodMap) { 3899 final ArrayList<InputMethodSubtype> subtypes = new ArrayList<InputMethodSubtype>(); 3900 final int N = additionalSubtypes.length; 3901 for (int i = 0; i < N; ++i) { 3902 final InputMethodSubtype subtype = additionalSubtypes[i]; 3903 if (!subtypes.contains(subtype)) { 3904 subtypes.add(subtype); 3905 } else { 3906 Slog.w(TAG, "Duplicated subtype definition found: " 3907 + subtype.getLocale() + ", " + subtype.getMode()); 3908 } 3909 } 3910 mAdditionalSubtypesMap.put(imi.getId(), subtypes); 3911 writeAdditionalInputMethodSubtypes( 3912 mAdditionalSubtypesMap, mAdditionalInputMethodSubtypeFile, mMethodMap); 3913 } 3914 } 3915 3916 public HashMap<String, List<InputMethodSubtype>> getAllAdditionalInputMethodSubtypes() { 3917 synchronized (mMethodMap) { 3918 return mAdditionalSubtypesMap; 3919 } 3920 } 3921 3922 private static void writeAdditionalInputMethodSubtypes( 3923 HashMap<String, List<InputMethodSubtype>> allSubtypes, AtomicFile subtypesFile, 3924 HashMap<String, InputMethodInfo> methodMap) { 3925 // Safety net for the case that this function is called before methodMap is set. 3926 final boolean isSetMethodMap = methodMap != null && methodMap.size() > 0; 3927 FileOutputStream fos = null; 3928 try { 3929 fos = subtypesFile.startWrite(); 3930 final XmlSerializer out = new FastXmlSerializer(); 3931 out.setOutput(fos, "utf-8"); 3932 out.startDocument(null, true); 3933 out.setFeature("http://xmlpull.org/v1/doc/features.html#indent-output", true); 3934 out.startTag(null, NODE_SUBTYPES); 3935 for (String imiId : allSubtypes.keySet()) { 3936 if (isSetMethodMap && !methodMap.containsKey(imiId)) { 3937 Slog.w(TAG, "IME uninstalled or not valid.: " + imiId); 3938 continue; 3939 } 3940 out.startTag(null, NODE_IMI); 3941 out.attribute(null, ATTR_ID, imiId); 3942 final List<InputMethodSubtype> subtypesList = allSubtypes.get(imiId); 3943 final int N = subtypesList.size(); 3944 for (int i = 0; i < N; ++i) { 3945 final InputMethodSubtype subtype = subtypesList.get(i); 3946 out.startTag(null, NODE_SUBTYPE); 3947 out.attribute(null, ATTR_ICON, String.valueOf(subtype.getIconResId())); 3948 out.attribute(null, ATTR_LABEL, String.valueOf(subtype.getNameResId())); 3949 out.attribute(null, ATTR_IME_SUBTYPE_LOCALE, subtype.getLocale()); 3950 out.attribute(null, ATTR_IME_SUBTYPE_MODE, subtype.getMode()); 3951 out.attribute(null, ATTR_IME_SUBTYPE_EXTRA_VALUE, subtype.getExtraValue()); 3952 out.attribute(null, ATTR_IS_AUXILIARY, 3953 String.valueOf(subtype.isAuxiliary() ? 1 : 0)); 3954 out.endTag(null, NODE_SUBTYPE); 3955 } 3956 out.endTag(null, NODE_IMI); 3957 } 3958 out.endTag(null, NODE_SUBTYPES); 3959 out.endDocument(); 3960 subtypesFile.finishWrite(fos); 3961 } catch (java.io.IOException e) { 3962 Slog.w(TAG, "Error writing subtypes", e); 3963 if (fos != null) { 3964 subtypesFile.failWrite(fos); 3965 } 3966 } 3967 } 3968 3969 private static void readAdditionalInputMethodSubtypes( 3970 HashMap<String, List<InputMethodSubtype>> allSubtypes, AtomicFile subtypesFile) { 3971 if (allSubtypes == null || subtypesFile == null) return; 3972 allSubtypes.clear(); 3973 FileInputStream fis = null; 3974 try { 3975 fis = subtypesFile.openRead(); 3976 final XmlPullParser parser = Xml.newPullParser(); 3977 parser.setInput(fis, null); 3978 int type = parser.getEventType(); 3979 // Skip parsing until START_TAG 3980 while ((type = parser.next()) != XmlPullParser.START_TAG 3981 && type != XmlPullParser.END_DOCUMENT) {} 3982 String firstNodeName = parser.getName(); 3983 if (!NODE_SUBTYPES.equals(firstNodeName)) { 3984 throw new XmlPullParserException("Xml doesn't start with subtypes"); 3985 } 3986 final int depth =parser.getDepth(); 3987 String currentImiId = null; 3988 ArrayList<InputMethodSubtype> tempSubtypesArray = null; 3989 while (((type = parser.next()) != XmlPullParser.END_TAG 3990 || parser.getDepth() > depth) && type != XmlPullParser.END_DOCUMENT) { 3991 if (type != XmlPullParser.START_TAG) 3992 continue; 3993 final String nodeName = parser.getName(); 3994 if (NODE_IMI.equals(nodeName)) { 3995 currentImiId = parser.getAttributeValue(null, ATTR_ID); 3996 if (TextUtils.isEmpty(currentImiId)) { 3997 Slog.w(TAG, "Invalid imi id found in subtypes.xml"); 3998 continue; 3999 } 4000 tempSubtypesArray = new ArrayList<InputMethodSubtype>(); 4001 allSubtypes.put(currentImiId, tempSubtypesArray); 4002 } else if (NODE_SUBTYPE.equals(nodeName)) { 4003 if (TextUtils.isEmpty(currentImiId) || tempSubtypesArray == null) { 4004 Slog.w(TAG, "IME uninstalled or not valid.: " + currentImiId); 4005 continue; 4006 } 4007 final int icon = Integer.valueOf( 4008 parser.getAttributeValue(null, ATTR_ICON)); 4009 final int label = Integer.valueOf( 4010 parser.getAttributeValue(null, ATTR_LABEL)); 4011 final String imeSubtypeLocale = 4012 parser.getAttributeValue(null, ATTR_IME_SUBTYPE_LOCALE); 4013 final String imeSubtypeMode = 4014 parser.getAttributeValue(null, ATTR_IME_SUBTYPE_MODE); 4015 final String imeSubtypeExtraValue = 4016 parser.getAttributeValue(null, ATTR_IME_SUBTYPE_EXTRA_VALUE); 4017 final boolean isAuxiliary = "1".equals(String.valueOf( 4018 parser.getAttributeValue(null, ATTR_IS_AUXILIARY))); 4019 final InputMethodSubtype subtype = 4020 new InputMethodSubtype(label, icon, imeSubtypeLocale, 4021 imeSubtypeMode, imeSubtypeExtraValue, isAuxiliary); 4022 tempSubtypesArray.add(subtype); 4023 } 4024 } 4025 } catch (XmlPullParserException e) { 4026 Slog.w(TAG, "Error reading subtypes: " + e); 4027 return; 4028 } catch (java.io.IOException e) { 4029 Slog.w(TAG, "Error reading subtypes: " + e); 4030 return; 4031 } catch (NumberFormatException e) { 4032 Slog.w(TAG, "Error reading subtypes: " + e); 4033 return; 4034 } finally { 4035 if (fis != null) { 4036 try { 4037 fis.close(); 4038 } catch (java.io.IOException e1) { 4039 Slog.w(TAG, "Failed to close."); 4040 } 4041 } 4042 } 4043 } 4044 } 4045 4046 // ---------------------------------------------------------------------- 4047 // Utilities for debug 4048 private static String getStackTrace() { 4049 final StringBuilder sb = new StringBuilder(); 4050 try { 4051 throw new RuntimeException(); 4052 } catch (RuntimeException e) { 4053 final StackTraceElement[] frames = e.getStackTrace(); 4054 // Start at 1 because the first frame is here and we don't care about it 4055 for (int j = 1; j < frames.length; ++j) { 4056 sb.append(frames[j].toString() + "\n"); 4057 } 4058 } 4059 return sb.toString(); 4060 } 4061 4062 @Override 4063 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 4064 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 4065 != PackageManager.PERMISSION_GRANTED) { 4066 4067 pw.println("Permission Denial: can't dump InputMethodManager from from pid=" 4068 + Binder.getCallingPid() 4069 + ", uid=" + Binder.getCallingUid()); 4070 return; 4071 } 4072 4073 IInputMethod method; 4074 ClientState client; 4075 4076 final Printer p = new PrintWriterPrinter(pw); 4077 4078 synchronized (mMethodMap) { 4079 p.println("Current Input Method Manager state:"); 4080 int N = mMethodList.size(); 4081 p.println(" Input Methods:"); 4082 for (int i=0; i<N; i++) { 4083 InputMethodInfo info = mMethodList.get(i); 4084 p.println(" InputMethod #" + i + ":"); 4085 info.dump(p, " "); 4086 } 4087 p.println(" Clients:"); 4088 for (ClientState ci : mClients.values()) { 4089 p.println(" Client " + ci + ":"); 4090 p.println(" client=" + ci.client); 4091 p.println(" inputContext=" + ci.inputContext); 4092 p.println(" sessionRequested=" + ci.sessionRequested); 4093 p.println(" curSession=" + ci.curSession); 4094 } 4095 p.println(" mCurMethodId=" + mCurMethodId); 4096 client = mCurClient; 4097 p.println(" mCurClient=" + client + " mCurSeq=" + mCurSeq); 4098 p.println(" mCurFocusedWindow=" + mCurFocusedWindow); 4099 p.println(" mCurId=" + mCurId + " mHaveConnect=" + mHaveConnection 4100 + " mBoundToMethod=" + mBoundToMethod); 4101 p.println(" mCurToken=" + mCurToken); 4102 p.println(" mCurIntent=" + mCurIntent); 4103 method = mCurMethod; 4104 p.println(" mCurMethod=" + mCurMethod); 4105 p.println(" mEnabledSession=" + mEnabledSession); 4106 p.println(" mShowRequested=" + mShowRequested 4107 + " mShowExplicitlyRequested=" + mShowExplicitlyRequested 4108 + " mShowForced=" + mShowForced 4109 + " mInputShown=" + mInputShown); 4110 p.println(" mSystemReady=" + mSystemReady + " mScreenOn=" + mScreenOn); 4111 } 4112 4113 p.println(" "); 4114 if (client != null) { 4115 pw.flush(); 4116 try { 4117 client.client.asBinder().dump(fd, args); 4118 } catch (RemoteException e) { 4119 p.println("Input method client dead: " + e); 4120 } 4121 } else { 4122 p.println("No input method client."); 4123 } 4124 4125 p.println(" "); 4126 if (method != null) { 4127 pw.flush(); 4128 try { 4129 method.asBinder().dump(fd, args); 4130 } catch (RemoteException e) { 4131 p.println("Input method service dead: " + e); 4132 } 4133 } else { 4134 p.println("No input method service."); 4135 } 4136 } 4137} 4138