InputMethodManagerService.java revision 9d08143fa72ad87572a7d5c714f379262a73e1b2
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 private boolean mInputBoundToKeyguard; 390 391 class SettingsObserver extends ContentObserver { 392 SettingsObserver(Handler handler) { 393 super(handler); 394 ContentResolver resolver = mContext.getContentResolver(); 395 resolver.registerContentObserver(Settings.Secure.getUriFor( 396 Settings.Secure.DEFAULT_INPUT_METHOD), false, this); 397 resolver.registerContentObserver(Settings.Secure.getUriFor( 398 Settings.Secure.ENABLED_INPUT_METHODS), false, this); 399 resolver.registerContentObserver(Settings.Secure.getUriFor( 400 Settings.Secure.SELECTED_INPUT_METHOD_SUBTYPE), false, this); 401 } 402 403 @Override public void onChange(boolean selfChange) { 404 synchronized (mMethodMap) { 405 updateFromSettingsLocked(); 406 } 407 } 408 } 409 410 class ImmsBroadcastReceiver extends android.content.BroadcastReceiver { 411 private void updateActive() { 412 // Inform the current client of the change in active status 413 if (mCurClient != null && mCurClient.client != null) { 414 executeOrSendMessage(mCurClient.client, mCaller.obtainMessageIO( 415 MSG_SET_ACTIVE, mScreenOn ? 1 : 0, mCurClient)); 416 } 417 } 418 419 @Override 420 public void onReceive(Context context, Intent intent) { 421 final String action = intent.getAction(); 422 if (Intent.ACTION_SCREEN_ON.equals(action)) { 423 mScreenOn = true; 424 refreshImeWindowVisibilityLocked(); 425 updateActive(); 426 return; 427 } else if (Intent.ACTION_SCREEN_OFF.equals(action)) { 428 mScreenOn = false; 429 setImeWindowVisibilityStatusHiddenLocked(); 430 updateActive(); 431 return; 432 } else if (Intent.ACTION_CLOSE_SYSTEM_DIALOGS.equals(action)) { 433 hideInputMethodMenu(); 434 // No need to updateActive 435 return; 436 } else { 437 Slog.w(TAG, "Unexpected intent " + intent); 438 } 439 } 440 } 441 442 class MyPackageMonitor extends PackageMonitor { 443 private boolean isChangingPackagesOfCurrentUser() { 444 final int userId = getChangingUserId(); 445 final boolean retval = userId == mSettings.getCurrentUserId(); 446 if (DEBUG) { 447 if (!retval) { 448 Slog.d(TAG, "--- ignore this call back from a background user: " + userId); 449 } 450 } 451 return retval; 452 } 453 454 @Override 455 public boolean onHandleForceStop(Intent intent, String[] packages, int uid, boolean doit) { 456 if (!isChangingPackagesOfCurrentUser()) { 457 return false; 458 } 459 synchronized (mMethodMap) { 460 String curInputMethodId = mSettings.getSelectedInputMethod(); 461 final int N = mMethodList.size(); 462 if (curInputMethodId != null) { 463 for (int i=0; i<N; i++) { 464 InputMethodInfo imi = mMethodList.get(i); 465 if (imi.getId().equals(curInputMethodId)) { 466 for (String pkg : packages) { 467 if (imi.getPackageName().equals(pkg)) { 468 if (!doit) { 469 return true; 470 } 471 resetSelectedInputMethodAndSubtypeLocked(""); 472 chooseNewDefaultIMELocked(); 473 return true; 474 } 475 } 476 } 477 } 478 } 479 } 480 return false; 481 } 482 483 @Override 484 public void onSomePackagesChanged() { 485 if (!isChangingPackagesOfCurrentUser()) { 486 return; 487 } 488 synchronized (mMethodMap) { 489 InputMethodInfo curIm = null; 490 String curInputMethodId = mSettings.getSelectedInputMethod(); 491 final int N = mMethodList.size(); 492 if (curInputMethodId != null) { 493 for (int i=0; i<N; i++) { 494 InputMethodInfo imi = mMethodList.get(i); 495 final String imiId = imi.getId(); 496 if (imiId.equals(curInputMethodId)) { 497 curIm = imi; 498 } 499 500 int change = isPackageDisappearing(imi.getPackageName()); 501 if (isPackageModified(imi.getPackageName())) { 502 mFileManager.deleteAllInputMethodSubtypes(imiId); 503 } 504 if (change == PACKAGE_TEMPORARY_CHANGE 505 || change == PACKAGE_PERMANENT_CHANGE) { 506 Slog.i(TAG, "Input method uninstalled, disabling: " 507 + imi.getComponent()); 508 setInputMethodEnabledLocked(imi.getId(), false); 509 } 510 } 511 } 512 513 buildInputMethodListLocked(mMethodList, mMethodMap); 514 515 boolean changed = false; 516 517 if (curIm != null) { 518 int change = isPackageDisappearing(curIm.getPackageName()); 519 if (change == PACKAGE_TEMPORARY_CHANGE 520 || change == PACKAGE_PERMANENT_CHANGE) { 521 ServiceInfo si = null; 522 try { 523 si = mIPackageManager.getServiceInfo( 524 curIm.getComponent(), 0, mSettings.getCurrentUserId()); 525 } catch (RemoteException ex) { 526 } 527 if (si == null) { 528 // Uh oh, current input method is no longer around! 529 // Pick another one... 530 Slog.i(TAG, "Current input method removed: " + curInputMethodId); 531 setImeWindowVisibilityStatusHiddenLocked(); 532 if (!chooseNewDefaultIMELocked()) { 533 changed = true; 534 curIm = null; 535 Slog.i(TAG, "Unsetting current input method"); 536 resetSelectedInputMethodAndSubtypeLocked(""); 537 } 538 } 539 } 540 } 541 542 if (curIm == null) { 543 // We currently don't have a default input method... is 544 // one now available? 545 changed = chooseNewDefaultIMELocked(); 546 } 547 548 if (changed) { 549 updateFromSettingsLocked(); 550 } 551 } 552 } 553 } 554 555 private static class MethodCallback extends IInputMethodCallback.Stub { 556 private final IInputMethod mMethod; 557 private final InputMethodManagerService mParentIMMS; 558 559 MethodCallback(final IInputMethod method, final InputMethodManagerService imms) { 560 mMethod = method; 561 mParentIMMS = imms; 562 } 563 564 @Override 565 public void finishedEvent(int seq, boolean handled) throws RemoteException { 566 } 567 568 @Override 569 public void sessionCreated(IInputMethodSession session) throws RemoteException { 570 mParentIMMS.onSessionCreated(mMethod, session); 571 } 572 } 573 574 private class HardKeyboardListener 575 implements WindowManagerService.OnHardKeyboardStatusChangeListener { 576 @Override 577 public void onHardKeyboardStatusChange(boolean available, boolean enabled) { 578 mHandler.sendMessage(mHandler.obtainMessage( 579 MSG_HARD_KEYBOARD_SWITCH_CHANGED, available ? 1 : 0, enabled ? 1 : 0)); 580 } 581 582 public void handleHardKeyboardStatusChange(boolean available, boolean enabled) { 583 if (DEBUG) { 584 Slog.w(TAG, "HardKeyboardStatusChanged: available = " + available + ", enabled = " 585 + enabled); 586 } 587 synchronized(mMethodMap) { 588 if (mSwitchingDialog != null && mSwitchingDialogTitleView != null 589 && mSwitchingDialog.isShowing()) { 590 mSwitchingDialogTitleView.findViewById( 591 com.android.internal.R.id.hard_keyboard_section).setVisibility( 592 available ? View.VISIBLE : View.GONE); 593 } 594 } 595 } 596 } 597 598 public InputMethodManagerService(Context context, WindowManagerService windowManager) { 599 mIPackageManager = AppGlobals.getPackageManager(); 600 mContext = context; 601 mRes = context.getResources(); 602 mHandler = new Handler(this); 603 mIWindowManager = IWindowManager.Stub.asInterface( 604 ServiceManager.getService(Context.WINDOW_SERVICE)); 605 mCaller = new HandlerCaller(context, new HandlerCaller.Callback() { 606 @Override 607 public void executeMessage(Message msg) { 608 handleMessage(msg); 609 } 610 }); 611 mWindowManagerService = windowManager; 612 mHardKeyboardListener = new HardKeyboardListener(); 613 614 mImeSwitcherNotification = new Notification(); 615 mImeSwitcherNotification.icon = com.android.internal.R.drawable.ic_notification_ime_default; 616 mImeSwitcherNotification.when = 0; 617 mImeSwitcherNotification.flags = Notification.FLAG_ONGOING_EVENT; 618 mImeSwitcherNotification.tickerText = null; 619 mImeSwitcherNotification.defaults = 0; // please be quiet 620 mImeSwitcherNotification.sound = null; 621 mImeSwitcherNotification.vibrate = null; 622 623 // Tag this notification specially so SystemUI knows it's important 624 mImeSwitcherNotification.kind = new String[] { "android.system.imeswitcher" }; 625 626 Intent intent = new Intent(Settings.ACTION_SHOW_INPUT_METHOD_PICKER); 627 mImeSwitchPendingIntent = PendingIntent.getBroadcast(mContext, 0, intent, 0); 628 629 mShowOngoingImeSwitcherForPhones = false; 630 631 final IntentFilter broadcastFilter = new IntentFilter(); 632 broadcastFilter.addAction(Intent.ACTION_SCREEN_ON); 633 broadcastFilter.addAction(Intent.ACTION_SCREEN_OFF); 634 broadcastFilter.addAction(Intent.ACTION_CLOSE_SYSTEM_DIALOGS); 635 mContext.registerReceiver(new ImmsBroadcastReceiver(), broadcastFilter); 636 637 mNotificationShown = false; 638 int userId = 0; 639 try { 640 ActivityManagerNative.getDefault().registerUserSwitchObserver( 641 new IUserSwitchObserver.Stub() { 642 @Override 643 public void onUserSwitching(int newUserId, IRemoteCallback reply) { 644 synchronized(mMethodMap) { 645 switchUserLocked(newUserId); 646 } 647 if (reply != null) { 648 try { 649 reply.sendResult(null); 650 } catch (RemoteException e) { 651 } 652 } 653 } 654 655 @Override 656 public void onUserSwitchComplete(int newUserId) throws RemoteException { 657 } 658 }); 659 userId = ActivityManagerNative.getDefault().getCurrentUser().id; 660 } catch (RemoteException e) { 661 Slog.w(TAG, "Couldn't get current user ID; guessing it's 0", e); 662 } 663 mMyPackageMonitor.register(mContext, null, UserHandle.ALL, true); 664 665 // mSettings should be created before buildInputMethodListLocked 666 mSettings = new InputMethodSettings( 667 mRes, context.getContentResolver(), mMethodMap, mMethodList, userId); 668 mFileManager = new InputMethodFileManager(mMethodMap, userId); 669 mImListManager = new InputMethodAndSubtypeListManager(context, this); 670 671 // Just checking if defaultImiId is empty or not 672 final String defaultImiId = mSettings.getSelectedInputMethod(); 673 mImeSelectedOnBoot = !TextUtils.isEmpty(defaultImiId); 674 675 buildInputMethodListLocked(mMethodList, mMethodMap); 676 mSettings.enableAllIMEsIfThereIsNoEnabledIME(); 677 678 if (!mImeSelectedOnBoot) { 679 Slog.w(TAG, "No IME selected. Choose the most applicable IME."); 680 resetDefaultImeLocked(context); 681 } 682 683 mSettingsObserver = new SettingsObserver(mHandler); 684 updateFromSettingsLocked(); 685 686 // IMMS wants to receive Intent.ACTION_LOCALE_CHANGED in order to update the current IME 687 // according to the new system locale. 688 final IntentFilter filter = new IntentFilter(); 689 filter.addAction(Intent.ACTION_LOCALE_CHANGED); 690 mContext.registerReceiver( 691 new BroadcastReceiver() { 692 @Override 693 public void onReceive(Context context, Intent intent) { 694 synchronized(mMethodMap) { 695 checkCurrentLocaleChangedLocked(); 696 } 697 } 698 }, filter); 699 } 700 701 private void resetDefaultImeLocked(Context context) { 702 // Do not reset the default (current) IME when it is a 3rd-party IME 703 if (mCurMethodId != null && !isSystemIme(mMethodMap.get(mCurMethodId))) { 704 return; 705 } 706 707 InputMethodInfo defIm = null; 708 for (InputMethodInfo imi : mMethodList) { 709 if (defIm == null) { 710 if (isValidSystemDefaultIme(imi, context)) { 711 defIm = imi; 712 Slog.i(TAG, "Selected default: " + imi.getId()); 713 } 714 } 715 } 716 if (defIm == null && mMethodList.size() > 0) { 717 defIm = getMostApplicableDefaultIMELocked(); 718 Slog.i(TAG, "No default found, using " + defIm.getId()); 719 } 720 if (defIm != null) { 721 setSelectedInputMethodAndSubtypeLocked(defIm, NOT_A_SUBTYPE_ID, false); 722 } 723 } 724 725 private void resetAllInternalStateLocked(boolean updateOnlyWhenLocaleChanged) { 726 if (!mSystemReady) { 727 // not system ready 728 return; 729 } 730 final Locale newLocale = mRes.getConfiguration().locale; 731 if (!updateOnlyWhenLocaleChanged 732 || (newLocale != null && !newLocale.equals(mLastSystemLocale))) { 733 if (!updateOnlyWhenLocaleChanged) { 734 hideCurrentInputLocked(0, null); 735 mCurMethodId = null; 736 unbindCurrentMethodLocked(true, false); 737 } 738 if (DEBUG) { 739 Slog.i(TAG, "Locale has been changed to " + newLocale); 740 } 741 // InputMethodAndSubtypeListManager should be reset when the locale is changed. 742 mImListManager = new InputMethodAndSubtypeListManager(mContext, this); 743 buildInputMethodListLocked(mMethodList, mMethodMap); 744 if (!updateOnlyWhenLocaleChanged) { 745 final String selectedImiId = mSettings.getSelectedInputMethod(); 746 if (TextUtils.isEmpty(selectedImiId)) { 747 // This is the first time of the user switch and 748 // set the current ime to the proper one. 749 resetDefaultImeLocked(mContext); 750 } 751 } else { 752 // If the locale is changed, needs to reset the default ime 753 resetDefaultImeLocked(mContext); 754 } 755 updateFromSettingsLocked(); 756 mLastSystemLocale = newLocale; 757 if (!updateOnlyWhenLocaleChanged) { 758 try { 759 startInputInnerLocked(); 760 } catch (RuntimeException e) { 761 Slog.w(TAG, "Unexpected exception", e); 762 } 763 } 764 } 765 } 766 767 private void checkCurrentLocaleChangedLocked() { 768 resetAllInternalStateLocked(true); 769 } 770 771 private void switchUserLocked(int newUserId) { 772 mSettings.setCurrentUserId(newUserId); 773 // InputMethodFileManager should be reset when the user is changed 774 mFileManager = new InputMethodFileManager(mMethodMap, newUserId); 775 resetAllInternalStateLocked(false); 776 } 777 778 private boolean isValidSystemDefaultIme(InputMethodInfo imi, Context context) { 779 if (!mSystemReady) { 780 return false; 781 } 782 if (!isSystemIme(imi)) { 783 return false; 784 } 785 if (imi.getIsDefaultResourceId() != 0) { 786 try { 787 Resources res = context.createPackageContext( 788 imi.getPackageName(), 0).getResources(); 789 if (res.getBoolean(imi.getIsDefaultResourceId()) 790 && containsSubtypeOf(imi, context.getResources().getConfiguration(). 791 locale.getLanguage())) { 792 return true; 793 } 794 } catch (PackageManager.NameNotFoundException ex) { 795 } catch (Resources.NotFoundException ex) { 796 } 797 } 798 if (imi.getSubtypeCount() == 0) { 799 Slog.w(TAG, "Found no subtypes in a system IME: " + imi.getPackageName()); 800 } 801 return false; 802 } 803 804 private static boolean isSystemImeThatHasEnglishSubtype(InputMethodInfo imi) { 805 if (!isSystemIme(imi)) { 806 return false; 807 } 808 return containsSubtypeOf(imi, ENGLISH_LOCALE.getLanguage()); 809 } 810 811 private static boolean containsSubtypeOf(InputMethodInfo imi, String language) { 812 final int N = imi.getSubtypeCount(); 813 for (int i = 0; i < N; ++i) { 814 if (imi.getSubtypeAt(i).getLocale().startsWith(language)) { 815 return true; 816 } 817 } 818 return false; 819 } 820 821 @Override 822 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 823 throws RemoteException { 824 try { 825 return super.onTransact(code, data, reply, flags); 826 } catch (RuntimeException e) { 827 // The input method manager only throws security exceptions, so let's 828 // log all others. 829 if (!(e instanceof SecurityException)) { 830 Slog.e(TAG, "Input Method Manager Crash", e); 831 } 832 throw e; 833 } 834 } 835 836 public void systemReady(StatusBarManagerService statusBar) { 837 synchronized (mMethodMap) { 838 if (DEBUG) { 839 Slog.d(TAG, "--- systemReady"); 840 } 841 if (!mSystemReady) { 842 mSystemReady = true; 843 mKeyguardManager = 844 (KeyguardManager) mContext.getSystemService(Context.KEYGUARD_SERVICE); 845 mNotificationManager = (NotificationManager) 846 mContext.getSystemService(Context.NOTIFICATION_SERVICE); 847 mStatusBar = statusBar; 848 statusBar.setIconVisibility("ime", false); 849 updateImeWindowStatusLocked(); 850 mShowOngoingImeSwitcherForPhones = mRes.getBoolean( 851 com.android.internal.R.bool.show_ongoing_ime_switcher); 852 if (mShowOngoingImeSwitcherForPhones) { 853 mWindowManagerService.setOnHardKeyboardStatusChangeListener( 854 mHardKeyboardListener); 855 } 856 buildInputMethodListLocked(mMethodList, mMethodMap); 857 if (!mImeSelectedOnBoot) { 858 Slog.w(TAG, "Reset the default IME as \"Resource\" is ready here."); 859 checkCurrentLocaleChangedLocked(); 860 } 861 mLastSystemLocale = mRes.getConfiguration().locale; 862 try { 863 startInputInnerLocked(); 864 } catch (RuntimeException e) { 865 Slog.w(TAG, "Unexpected exception", e); 866 } 867 } 868 } 869 } 870 871 private void setImeWindowVisibilityStatusHiddenLocked() { 872 mImeWindowVis = 0; 873 updateImeWindowStatusLocked(); 874 } 875 876 private void refreshImeWindowVisibilityLocked() { 877 final Configuration conf = mRes.getConfiguration(); 878 final boolean haveHardKeyboard = conf.keyboard 879 != Configuration.KEYBOARD_NOKEYS; 880 final boolean hardKeyShown = haveHardKeyboard 881 && conf.hardKeyboardHidden 882 != Configuration.HARDKEYBOARDHIDDEN_YES; 883 final boolean isScreenLocked = 884 mKeyguardManager != null && mKeyguardManager.isKeyguardLocked(); 885 final boolean isScreenSecurelyLocked = 886 isScreenLocked && mKeyguardManager.isKeyguardSecure(); 887 final boolean inputShown = mInputShown && (!isScreenLocked || mInputBoundToKeyguard); 888 mImeWindowVis = (!isScreenSecurelyLocked && (inputShown || hardKeyShown)) ? 889 (InputMethodService.IME_ACTIVE | InputMethodService.IME_VISIBLE) : 0; 890 updateImeWindowStatusLocked(); 891 } 892 893 private void updateImeWindowStatusLocked() { 894 setImeWindowStatus(mCurToken, mImeWindowVis, mBackDisposition); 895 } 896 897 // --------------------------------------------------------------------------------------- 898 // Check whether or not this is a valid IPC. Assumes an IPC is valid when either 899 // 1) it comes from the system process 900 // 2) the calling process' user id is identical to the current user id IMMS thinks. 901 private boolean calledFromValidUser() { 902 final int uid = Binder.getCallingUid(); 903 final int userId = UserHandle.getUserId(uid); 904 if (DEBUG) { 905 Slog.d(TAG, "--- calledFromForegroundUserOrSystemProcess ? " 906 + "calling uid = " + uid + " system uid = " + Process.SYSTEM_UID 907 + " calling userId = " + userId + ", foreground user id = " 908 + mSettings.getCurrentUserId() + ", calling pid = " + Binder.getCallingPid()); 909 } 910 if (uid == Process.SYSTEM_UID || userId == mSettings.getCurrentUserId()) { 911 return true; 912 } 913 914 // Caveat: A process which has INTERACT_ACROSS_USERS_FULL gets results for the 915 // foreground user, not for the user of that process. Accordingly InputMethodManagerService 916 // must not manage background users' states in any functions. 917 // Note that privacy-sensitive IPCs, such as setInputMethod, are still securely guarded 918 // by a token. 919 if (mContext.checkCallingOrSelfPermission( 920 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL) 921 == PackageManager.PERMISSION_GRANTED) { 922 if (DEBUG) { 923 Slog.d(TAG, "--- Access granted because the calling process has " 924 + "the INTERACT_ACROSS_USERS_FULL permission"); 925 } 926 return true; 927 } 928 Slog.w(TAG, "--- IPC called from background users. Ignore. \n" + getStackTrace()); 929 return false; 930 } 931 932 private boolean bindCurrentInputMethodService( 933 Intent service, ServiceConnection conn, int flags) { 934 if (service == null || conn == null) { 935 Slog.e(TAG, "--- bind failed: service = " + service + ", conn = " + conn); 936 return false; 937 } 938 return mContext.bindService(service, conn, flags, mSettings.getCurrentUserId()); 939 } 940 941 @Override 942 public List<InputMethodInfo> getInputMethodList() { 943 // TODO: Make this work even for non-current users? 944 if (!calledFromValidUser()) { 945 return Collections.emptyList(); 946 } 947 synchronized (mMethodMap) { 948 return new ArrayList<InputMethodInfo>(mMethodList); 949 } 950 } 951 952 @Override 953 public List<InputMethodInfo> getEnabledInputMethodList() { 954 // TODO: Make this work even for non-current users? 955 if (!calledFromValidUser()) { 956 return Collections.emptyList(); 957 } 958 synchronized (mMethodMap) { 959 return mSettings.getEnabledInputMethodListLocked(); 960 } 961 } 962 963 private HashMap<InputMethodInfo, List<InputMethodSubtype>> 964 getExplicitlyOrImplicitlyEnabledInputMethodsAndSubtypeListLocked() { 965 HashMap<InputMethodInfo, List<InputMethodSubtype>> enabledInputMethodAndSubtypes = 966 new HashMap<InputMethodInfo, List<InputMethodSubtype>>(); 967 for (InputMethodInfo imi: mSettings.getEnabledInputMethodListLocked()) { 968 enabledInputMethodAndSubtypes.put( 969 imi, getEnabledInputMethodSubtypeListLocked(imi, true)); 970 } 971 return enabledInputMethodAndSubtypes; 972 } 973 974 public List<InputMethodSubtype> getEnabledInputMethodSubtypeListLocked(InputMethodInfo imi, 975 boolean allowsImplicitlySelectedSubtypes) { 976 if (imi == null && mCurMethodId != null) { 977 imi = mMethodMap.get(mCurMethodId); 978 } 979 List<InputMethodSubtype> enabledSubtypes = 980 mSettings.getEnabledInputMethodSubtypeListLocked(imi); 981 if (allowsImplicitlySelectedSubtypes && enabledSubtypes.isEmpty()) { 982 enabledSubtypes = getImplicitlyApplicableSubtypesLocked(mRes, imi); 983 } 984 return InputMethodSubtype.sort(mContext, 0, imi, enabledSubtypes); 985 } 986 987 @Override 988 public List<InputMethodSubtype> getEnabledInputMethodSubtypeList(InputMethodInfo imi, 989 boolean allowsImplicitlySelectedSubtypes) { 990 // TODO: Make this work even for non-current users? 991 if (!calledFromValidUser()) { 992 return Collections.emptyList(); 993 } 994 synchronized (mMethodMap) { 995 return getEnabledInputMethodSubtypeListLocked(imi, allowsImplicitlySelectedSubtypes); 996 } 997 } 998 999 @Override 1000 public void addClient(IInputMethodClient client, 1001 IInputContext inputContext, int uid, int pid) { 1002 if (!calledFromValidUser()) { 1003 return; 1004 } 1005 synchronized (mMethodMap) { 1006 mClients.put(client.asBinder(), new ClientState(client, 1007 inputContext, uid, pid)); 1008 } 1009 } 1010 1011 @Override 1012 public void removeClient(IInputMethodClient client) { 1013 if (!calledFromValidUser()) { 1014 return; 1015 } 1016 synchronized (mMethodMap) { 1017 mClients.remove(client.asBinder()); 1018 } 1019 } 1020 1021 void executeOrSendMessage(IInterface target, Message msg) { 1022 if (target.asBinder() instanceof Binder) { 1023 mCaller.sendMessage(msg); 1024 } else { 1025 handleMessage(msg); 1026 msg.recycle(); 1027 } 1028 } 1029 1030 void unbindCurrentClientLocked() { 1031 if (mCurClient != null) { 1032 if (DEBUG) Slog.v(TAG, "unbindCurrentInputLocked: client = " 1033 + mCurClient.client.asBinder()); 1034 if (mBoundToMethod) { 1035 mBoundToMethod = false; 1036 if (mCurMethod != null) { 1037 executeOrSendMessage(mCurMethod, mCaller.obtainMessageO( 1038 MSG_UNBIND_INPUT, mCurMethod)); 1039 } 1040 } 1041 1042 executeOrSendMessage(mCurClient.client, mCaller.obtainMessageIO( 1043 MSG_SET_ACTIVE, 0, mCurClient)); 1044 executeOrSendMessage(mCurClient.client, mCaller.obtainMessageIO( 1045 MSG_UNBIND_METHOD, mCurSeq, mCurClient.client)); 1046 mCurClient.sessionRequested = false; 1047 mCurClient = null; 1048 1049 hideInputMethodMenuLocked(); 1050 } 1051 } 1052 1053 private int getImeShowFlags() { 1054 int flags = 0; 1055 if (mShowForced) { 1056 flags |= InputMethod.SHOW_FORCED 1057 | InputMethod.SHOW_EXPLICIT; 1058 } else if (mShowExplicitlyRequested) { 1059 flags |= InputMethod.SHOW_EXPLICIT; 1060 } 1061 return flags; 1062 } 1063 1064 private int getAppShowFlags() { 1065 int flags = 0; 1066 if (mShowForced) { 1067 flags |= InputMethodManager.SHOW_FORCED; 1068 } else if (!mShowExplicitlyRequested) { 1069 flags |= InputMethodManager.SHOW_IMPLICIT; 1070 } 1071 return flags; 1072 } 1073 1074 InputBindResult attachNewInputLocked(boolean initial) { 1075 if (!mBoundToMethod) { 1076 executeOrSendMessage(mCurMethod, mCaller.obtainMessageOO( 1077 MSG_BIND_INPUT, mCurMethod, mCurClient.binding)); 1078 mBoundToMethod = true; 1079 } 1080 final SessionState session = mCurClient.curSession; 1081 if (initial) { 1082 executeOrSendMessage(session.method, mCaller.obtainMessageOOO( 1083 MSG_START_INPUT, session, mCurInputContext, mCurAttribute)); 1084 } else { 1085 executeOrSendMessage(session.method, mCaller.obtainMessageOOO( 1086 MSG_RESTART_INPUT, session, mCurInputContext, mCurAttribute)); 1087 } 1088 if (mShowRequested) { 1089 if (DEBUG) Slog.v(TAG, "Attach new input asks to show input"); 1090 showCurrentInputLocked(getAppShowFlags(), null); 1091 } 1092 return new InputBindResult(session.session, mCurId, mCurSeq); 1093 } 1094 1095 InputBindResult startInputLocked(IInputMethodClient client, 1096 IInputContext inputContext, EditorInfo attribute, int controlFlags) { 1097 // If no method is currently selected, do nothing. 1098 if (mCurMethodId == null) { 1099 return mNoBinding; 1100 } 1101 1102 ClientState cs = mClients.get(client.asBinder()); 1103 if (cs == null) { 1104 throw new IllegalArgumentException("unknown client " 1105 + client.asBinder()); 1106 } 1107 1108 try { 1109 if (!mIWindowManager.inputMethodClientHasFocus(cs.client)) { 1110 // Check with the window manager to make sure this client actually 1111 // has a window with focus. If not, reject. This is thread safe 1112 // because if the focus changes some time before or after, the 1113 // next client receiving focus that has any interest in input will 1114 // be calling through here after that change happens. 1115 Slog.w(TAG, "Starting input on non-focused client " + cs.client 1116 + " (uid=" + cs.uid + " pid=" + cs.pid + ")"); 1117 return null; 1118 } 1119 } catch (RemoteException e) { 1120 } 1121 1122 return startInputUncheckedLocked(cs, inputContext, attribute, controlFlags); 1123 } 1124 1125 InputBindResult startInputUncheckedLocked(ClientState cs, 1126 IInputContext inputContext, EditorInfo attribute, int controlFlags) { 1127 // If no method is currently selected, do nothing. 1128 if (mCurMethodId == null) { 1129 return mNoBinding; 1130 } 1131 1132 if (mCurClient == null) { 1133 mInputBoundToKeyguard = mKeyguardManager != null && mKeyguardManager.isKeyguardLocked(); 1134 if (DEBUG) { 1135 Slog.v(TAG, "New bind. keyguard = " + mInputBoundToKeyguard); 1136 } 1137 } 1138 1139 if (mCurClient != cs) { 1140 // If the client is changing, we need to switch over to the new 1141 // one. 1142 unbindCurrentClientLocked(); 1143 if (DEBUG) Slog.v(TAG, "switching to client: client = " 1144 + cs.client.asBinder()); 1145 1146 // If the screen is on, inform the new client it is active 1147 if (mScreenOn) { 1148 executeOrSendMessage(cs.client, mCaller.obtainMessageIO( 1149 MSG_SET_ACTIVE, mScreenOn ? 1 : 0, cs)); 1150 } 1151 } 1152 1153 // Bump up the sequence for this client and attach it. 1154 mCurSeq++; 1155 if (mCurSeq <= 0) mCurSeq = 1; 1156 mCurClient = cs; 1157 mCurInputContext = inputContext; 1158 mCurAttribute = attribute; 1159 1160 // Check if the input method is changing. 1161 if (mCurId != null && mCurId.equals(mCurMethodId)) { 1162 if (cs.curSession != null) { 1163 // Fast case: if we are already connected to the input method, 1164 // then just return it. 1165 return attachNewInputLocked( 1166 (controlFlags&InputMethodManager.CONTROL_START_INITIAL) != 0); 1167 } 1168 if (mHaveConnection) { 1169 if (mCurMethod != null) { 1170 if (!cs.sessionRequested) { 1171 cs.sessionRequested = true; 1172 if (DEBUG) Slog.v(TAG, "Creating new session for client " + cs); 1173 executeOrSendMessage(mCurMethod, mCaller.obtainMessageOO( 1174 MSG_CREATE_SESSION, mCurMethod, 1175 new MethodCallback(mCurMethod, this))); 1176 } 1177 // Return to client, and we will get back with it when 1178 // we have had a session made for it. 1179 return new InputBindResult(null, mCurId, mCurSeq); 1180 } else if (SystemClock.uptimeMillis() 1181 < (mLastBindTime+TIME_TO_RECONNECT)) { 1182 // In this case we have connected to the service, but 1183 // don't yet have its interface. If it hasn't been too 1184 // long since we did the connection, we'll return to 1185 // the client and wait to get the service interface so 1186 // we can report back. If it has been too long, we want 1187 // to fall through so we can try a disconnect/reconnect 1188 // to see if we can get back in touch with the service. 1189 return new InputBindResult(null, mCurId, mCurSeq); 1190 } else { 1191 EventLog.writeEvent(EventLogTags.IMF_FORCE_RECONNECT_IME, 1192 mCurMethodId, SystemClock.uptimeMillis()-mLastBindTime, 0); 1193 } 1194 } 1195 } 1196 1197 return startInputInnerLocked(); 1198 } 1199 1200 InputBindResult startInputInnerLocked() { 1201 if (mCurMethodId == null) { 1202 return mNoBinding; 1203 } 1204 1205 if (!mSystemReady) { 1206 // If the system is not yet ready, we shouldn't be running third 1207 // party code. 1208 return new InputBindResult(null, mCurMethodId, mCurSeq); 1209 } 1210 1211 InputMethodInfo info = mMethodMap.get(mCurMethodId); 1212 if (info == null) { 1213 throw new IllegalArgumentException("Unknown id: " + mCurMethodId); 1214 } 1215 1216 unbindCurrentMethodLocked(false, true); 1217 1218 mCurIntent = new Intent(InputMethod.SERVICE_INTERFACE); 1219 mCurIntent.setComponent(info.getComponent()); 1220 mCurIntent.putExtra(Intent.EXTRA_CLIENT_LABEL, 1221 com.android.internal.R.string.input_method_binding_label); 1222 mCurIntent.putExtra(Intent.EXTRA_CLIENT_INTENT, PendingIntent.getActivity( 1223 mContext, 0, new Intent(Settings.ACTION_INPUT_METHOD_SETTINGS), 0)); 1224 if (bindCurrentInputMethodService(mCurIntent, this, Context.BIND_AUTO_CREATE 1225 | Context.BIND_NOT_VISIBLE)) { 1226 mLastBindTime = SystemClock.uptimeMillis(); 1227 mHaveConnection = true; 1228 mCurId = info.getId(); 1229 mCurToken = new Binder(); 1230 try { 1231 if (DEBUG) Slog.v(TAG, "Adding window token: " + mCurToken); 1232 mIWindowManager.addWindowToken(mCurToken, 1233 WindowManager.LayoutParams.TYPE_INPUT_METHOD); 1234 } catch (RemoteException e) { 1235 } 1236 return new InputBindResult(null, mCurId, mCurSeq); 1237 } else { 1238 mCurIntent = null; 1239 Slog.w(TAG, "Failure connecting to input method service: " 1240 + mCurIntent); 1241 } 1242 return null; 1243 } 1244 1245 @Override 1246 public InputBindResult startInput(IInputMethodClient client, 1247 IInputContext inputContext, EditorInfo attribute, int controlFlags) { 1248 if (!calledFromValidUser()) { 1249 return null; 1250 } 1251 synchronized (mMethodMap) { 1252 final long ident = Binder.clearCallingIdentity(); 1253 try { 1254 return startInputLocked(client, inputContext, attribute, controlFlags); 1255 } finally { 1256 Binder.restoreCallingIdentity(ident); 1257 } 1258 } 1259 } 1260 1261 @Override 1262 public void finishInput(IInputMethodClient client) { 1263 } 1264 1265 @Override 1266 public void onServiceConnected(ComponentName name, IBinder service) { 1267 synchronized (mMethodMap) { 1268 if (mCurIntent != null && name.equals(mCurIntent.getComponent())) { 1269 mCurMethod = IInputMethod.Stub.asInterface(service); 1270 if (mCurToken == null) { 1271 Slog.w(TAG, "Service connected without a token!"); 1272 unbindCurrentMethodLocked(false, false); 1273 return; 1274 } 1275 if (DEBUG) Slog.v(TAG, "Initiating attach with token: " + mCurToken); 1276 executeOrSendMessage(mCurMethod, mCaller.obtainMessageOO( 1277 MSG_ATTACH_TOKEN, mCurMethod, mCurToken)); 1278 if (mCurClient != null) { 1279 if (DEBUG) Slog.v(TAG, "Creating first session while with client " 1280 + mCurClient); 1281 executeOrSendMessage(mCurMethod, mCaller.obtainMessageOO( 1282 MSG_CREATE_SESSION, mCurMethod, 1283 new MethodCallback(mCurMethod, this))); 1284 } 1285 } 1286 } 1287 } 1288 1289 void onSessionCreated(IInputMethod method, IInputMethodSession session) { 1290 synchronized (mMethodMap) { 1291 if (mCurMethod != null && method != null 1292 && mCurMethod.asBinder() == method.asBinder()) { 1293 if (mCurClient != null) { 1294 mCurClient.curSession = new SessionState(mCurClient, 1295 method, session); 1296 mCurClient.sessionRequested = false; 1297 InputBindResult res = attachNewInputLocked(true); 1298 if (res.method != null) { 1299 executeOrSendMessage(mCurClient.client, mCaller.obtainMessageOO( 1300 MSG_BIND_METHOD, mCurClient.client, res)); 1301 } 1302 } 1303 } 1304 } 1305 } 1306 1307 void unbindCurrentMethodLocked(boolean reportToClient, boolean savePosition) { 1308 if (mVisibleBound) { 1309 mContext.unbindService(mVisibleConnection); 1310 mVisibleBound = false; 1311 } 1312 1313 if (mHaveConnection) { 1314 mContext.unbindService(this); 1315 mHaveConnection = false; 1316 } 1317 1318 if (mCurToken != null) { 1319 try { 1320 if (DEBUG) Slog.v(TAG, "Removing window token: " + mCurToken); 1321 if ((mImeWindowVis & InputMethodService.IME_ACTIVE) != 0 && savePosition) { 1322 // The current IME is shown. Hence an IME switch (transition) is happening. 1323 mWindowManagerService.saveLastInputMethodWindowForTransition(); 1324 } 1325 mIWindowManager.removeWindowToken(mCurToken); 1326 } catch (RemoteException e) { 1327 } 1328 mCurToken = null; 1329 } 1330 1331 mCurId = null; 1332 clearCurMethodLocked(); 1333 1334 if (reportToClient && mCurClient != null) { 1335 executeOrSendMessage(mCurClient.client, mCaller.obtainMessageIO( 1336 MSG_UNBIND_METHOD, mCurSeq, mCurClient.client)); 1337 } 1338 } 1339 1340 private void finishSession(SessionState sessionState) { 1341 if (sessionState != null && sessionState.session != null) { 1342 try { 1343 sessionState.session.finishSession(); 1344 } catch (RemoteException e) { 1345 Slog.w(TAG, "Session failed to close due to remote exception", e); 1346 setImeWindowVisibilityStatusHiddenLocked(); 1347 } 1348 } 1349 } 1350 1351 void clearCurMethodLocked() { 1352 if (mCurMethod != null) { 1353 for (ClientState cs : mClients.values()) { 1354 cs.sessionRequested = false; 1355 finishSession(cs.curSession); 1356 cs.curSession = null; 1357 } 1358 1359 finishSession(mEnabledSession); 1360 mEnabledSession = null; 1361 mCurMethod = null; 1362 } 1363 if (mStatusBar != null) { 1364 mStatusBar.setIconVisibility("ime", false); 1365 } 1366 } 1367 1368 @Override 1369 public void onServiceDisconnected(ComponentName name) { 1370 synchronized (mMethodMap) { 1371 if (DEBUG) Slog.v(TAG, "Service disconnected: " + name 1372 + " mCurIntent=" + mCurIntent); 1373 if (mCurMethod != null && mCurIntent != null 1374 && name.equals(mCurIntent.getComponent())) { 1375 clearCurMethodLocked(); 1376 // We consider this to be a new bind attempt, since the system 1377 // should now try to restart the service for us. 1378 mLastBindTime = SystemClock.uptimeMillis(); 1379 mShowRequested = mInputShown; 1380 mInputShown = false; 1381 if (mCurClient != null) { 1382 executeOrSendMessage(mCurClient.client, mCaller.obtainMessageIO( 1383 MSG_UNBIND_METHOD, mCurSeq, mCurClient.client)); 1384 } 1385 } 1386 } 1387 } 1388 1389 @Override 1390 public void updateStatusIcon(IBinder token, String packageName, int iconId) { 1391 int uid = Binder.getCallingUid(); 1392 long ident = Binder.clearCallingIdentity(); 1393 try { 1394 if (token == null || mCurToken != token) { 1395 Slog.w(TAG, "Ignoring setInputMethod of uid " + uid + " token: " + token); 1396 return; 1397 } 1398 1399 synchronized (mMethodMap) { 1400 if (iconId == 0) { 1401 if (DEBUG) Slog.d(TAG, "hide the small icon for the input method"); 1402 if (mStatusBar != null) { 1403 mStatusBar.setIconVisibility("ime", false); 1404 } 1405 } else if (packageName != null) { 1406 if (DEBUG) Slog.d(TAG, "show a small icon for the input method"); 1407 CharSequence contentDescription = null; 1408 try { 1409 // Use PackageManager to load label 1410 final PackageManager packageManager = mContext.getPackageManager(); 1411 contentDescription = packageManager.getApplicationLabel( 1412 mIPackageManager.getApplicationInfo(packageName, 0, 1413 mSettings.getCurrentUserId())); 1414 } catch (RemoteException e) { 1415 /* ignore */ 1416 } 1417 if (mStatusBar != null) { 1418 mStatusBar.setIcon("ime", packageName, iconId, 0, 1419 contentDescription != null 1420 ? contentDescription.toString() : null); 1421 mStatusBar.setIconVisibility("ime", true); 1422 } 1423 } 1424 } 1425 } finally { 1426 Binder.restoreCallingIdentity(ident); 1427 } 1428 } 1429 1430 private boolean needsToShowImeSwitchOngoingNotification() { 1431 if (!mShowOngoingImeSwitcherForPhones) return false; 1432 if (isScreenLocked()) return false; 1433 synchronized (mMethodMap) { 1434 List<InputMethodInfo> imis = mSettings.getEnabledInputMethodListLocked(); 1435 final int N = imis.size(); 1436 if (N > 2) return true; 1437 if (N < 1) return false; 1438 int nonAuxCount = 0; 1439 int auxCount = 0; 1440 InputMethodSubtype nonAuxSubtype = null; 1441 InputMethodSubtype auxSubtype = null; 1442 for(int i = 0; i < N; ++i) { 1443 final InputMethodInfo imi = imis.get(i); 1444 final List<InputMethodSubtype> subtypes = getEnabledInputMethodSubtypeListLocked( 1445 imi, true); 1446 final int subtypeCount = subtypes.size(); 1447 if (subtypeCount == 0) { 1448 ++nonAuxCount; 1449 } else { 1450 for (int j = 0; j < subtypeCount; ++j) { 1451 final InputMethodSubtype subtype = subtypes.get(j); 1452 if (!subtype.isAuxiliary()) { 1453 ++nonAuxCount; 1454 nonAuxSubtype = subtype; 1455 } else { 1456 ++auxCount; 1457 auxSubtype = subtype; 1458 } 1459 } 1460 } 1461 } 1462 if (nonAuxCount > 1 || auxCount > 1) { 1463 return true; 1464 } else if (nonAuxCount == 1 && auxCount == 1) { 1465 if (nonAuxSubtype != null && auxSubtype != null 1466 && (nonAuxSubtype.getLocale().equals(auxSubtype.getLocale()) 1467 || auxSubtype.overridesImplicitlyEnabledSubtype() 1468 || nonAuxSubtype.overridesImplicitlyEnabledSubtype()) 1469 && nonAuxSubtype.containsExtraValueKey(TAG_TRY_SUPPRESSING_IME_SWITCHER)) { 1470 return false; 1471 } 1472 return true; 1473 } 1474 return false; 1475 } 1476 } 1477 1478 // Caution! This method is called in this class. Handle multi-user carefully 1479 @SuppressWarnings("deprecation") 1480 @Override 1481 public void setImeWindowStatus(IBinder token, int vis, int backDisposition) { 1482 final long ident = Binder.clearCallingIdentity(); 1483 try { 1484 if (token == null || mCurToken != token) { 1485 int uid = Binder.getCallingUid(); 1486 Slog.w(TAG, "Ignoring setImeWindowStatus of uid " + uid + " token: " + token); 1487 return; 1488 } 1489 1490 synchronized (mMethodMap) { 1491 mImeWindowVis = vis; 1492 mBackDisposition = backDisposition; 1493 if (mStatusBar != null) { 1494 mStatusBar.setImeWindowStatus(token, vis, backDisposition); 1495 } 1496 final boolean iconVisibility = (vis & InputMethodService.IME_ACTIVE) != 0; 1497 final InputMethodInfo imi = mMethodMap.get(mCurMethodId); 1498 if (imi != null && iconVisibility && needsToShowImeSwitchOngoingNotification()) { 1499 // Used to load label 1500 final PackageManager pm = mContext.getPackageManager(); 1501 final CharSequence title = mRes.getText( 1502 com.android.internal.R.string.select_input_method); 1503 final CharSequence imiLabel = imi.loadLabel(pm); 1504 final CharSequence summary = mCurrentSubtype != null 1505 ? TextUtils.concat(mCurrentSubtype.getDisplayName(mContext, 1506 imi.getPackageName(), imi.getServiceInfo().applicationInfo), 1507 (TextUtils.isEmpty(imiLabel) ? 1508 "" : " - " + imiLabel)) 1509 : imiLabel; 1510 1511 mImeSwitcherNotification.setLatestEventInfo( 1512 mContext, title, summary, mImeSwitchPendingIntent); 1513 if (mNotificationManager != null) { 1514 if (DEBUG) { 1515 Slog.d(TAG, "--- show notification: label = " + imiLabel 1516 + ", summary = " + summary); 1517 } 1518 mNotificationManager.notifyAsUser(null, 1519 com.android.internal.R.string.select_input_method, 1520 mImeSwitcherNotification, UserHandle.ALL); 1521 mNotificationShown = true; 1522 } 1523 } else { 1524 if (mNotificationShown && mNotificationManager != null) { 1525 if (DEBUG) { 1526 Slog.d(TAG, "--- hide notification"); 1527 } 1528 mNotificationManager.cancelAsUser(null, 1529 com.android.internal.R.string.select_input_method, UserHandle.ALL); 1530 mNotificationShown = false; 1531 } 1532 } 1533 } 1534 } finally { 1535 Binder.restoreCallingIdentity(ident); 1536 } 1537 } 1538 1539 @Override 1540 public void registerSuggestionSpansForNotification(SuggestionSpan[] spans) { 1541 if (!calledFromValidUser()) { 1542 return; 1543 } 1544 synchronized (mMethodMap) { 1545 final InputMethodInfo currentImi = mMethodMap.get(mCurMethodId); 1546 for (int i = 0; i < spans.length; ++i) { 1547 SuggestionSpan ss = spans[i]; 1548 if (!TextUtils.isEmpty(ss.getNotificationTargetClassName())) { 1549 mSecureSuggestionSpans.put(ss, currentImi); 1550 final InputMethodInfo targetImi = mSecureSuggestionSpans.get(ss); 1551 } 1552 } 1553 } 1554 } 1555 1556 @Override 1557 public boolean notifySuggestionPicked(SuggestionSpan span, String originalString, int index) { 1558 if (!calledFromValidUser()) { 1559 return false; 1560 } 1561 synchronized (mMethodMap) { 1562 final InputMethodInfo targetImi = mSecureSuggestionSpans.get(span); 1563 // TODO: Do not send the intent if the process of the targetImi is already dead. 1564 if (targetImi != null) { 1565 final String[] suggestions = span.getSuggestions(); 1566 if (index < 0 || index >= suggestions.length) return false; 1567 final String className = span.getNotificationTargetClassName(); 1568 final Intent intent = new Intent(); 1569 // Ensures that only a class in the original IME package will receive the 1570 // notification. 1571 intent.setClassName(targetImi.getPackageName(), className); 1572 intent.setAction(SuggestionSpan.ACTION_SUGGESTION_PICKED); 1573 intent.putExtra(SuggestionSpan.SUGGESTION_SPAN_PICKED_BEFORE, originalString); 1574 intent.putExtra(SuggestionSpan.SUGGESTION_SPAN_PICKED_AFTER, suggestions[index]); 1575 intent.putExtra(SuggestionSpan.SUGGESTION_SPAN_PICKED_HASHCODE, span.hashCode()); 1576 final long ident = Binder.clearCallingIdentity(); 1577 try { 1578 mContext.sendBroadcastAsUser(intent, UserHandle.CURRENT); 1579 } finally { 1580 Binder.restoreCallingIdentity(ident); 1581 } 1582 return true; 1583 } 1584 } 1585 return false; 1586 } 1587 1588 void updateFromSettingsLocked() { 1589 // We are assuming that whoever is changing DEFAULT_INPUT_METHOD and 1590 // ENABLED_INPUT_METHODS is taking care of keeping them correctly in 1591 // sync, so we will never have a DEFAULT_INPUT_METHOD that is not 1592 // enabled. 1593 String id = mSettings.getSelectedInputMethod(); 1594 // There is no input method selected, try to choose new applicable input method. 1595 if (TextUtils.isEmpty(id) && chooseNewDefaultIMELocked()) { 1596 id = mSettings.getSelectedInputMethod(); 1597 } 1598 if (!TextUtils.isEmpty(id)) { 1599 try { 1600 setInputMethodLocked(id, getSelectedInputMethodSubtypeId(id)); 1601 } catch (IllegalArgumentException e) { 1602 Slog.w(TAG, "Unknown input method from prefs: " + id, e); 1603 mCurMethodId = null; 1604 unbindCurrentMethodLocked(true, false); 1605 } 1606 mShortcutInputMethodsAndSubtypes.clear(); 1607 } else { 1608 // There is no longer an input method set, so stop any current one. 1609 mCurMethodId = null; 1610 unbindCurrentMethodLocked(true, false); 1611 } 1612 } 1613 1614 /* package */ void setInputMethodLocked(String id, int subtypeId) { 1615 InputMethodInfo info = mMethodMap.get(id); 1616 if (info == null) { 1617 throw new IllegalArgumentException("Unknown id: " + id); 1618 } 1619 1620 // See if we need to notify a subtype change within the same IME. 1621 if (id.equals(mCurMethodId)) { 1622 final int subtypeCount = info.getSubtypeCount(); 1623 if (subtypeCount <= 0) { 1624 return; 1625 } 1626 final InputMethodSubtype oldSubtype = mCurrentSubtype; 1627 final InputMethodSubtype newSubtype; 1628 if (subtypeId >= 0 && subtypeId < subtypeCount) { 1629 newSubtype = info.getSubtypeAt(subtypeId); 1630 } else { 1631 // If subtype is null, try to find the most applicable one from 1632 // getCurrentInputMethodSubtype. 1633 newSubtype = getCurrentInputMethodSubtypeLocked(); 1634 } 1635 if (newSubtype == null || oldSubtype == null) { 1636 Slog.w(TAG, "Illegal subtype state: old subtype = " + oldSubtype 1637 + ", new subtype = " + newSubtype); 1638 return; 1639 } 1640 if (newSubtype != oldSubtype) { 1641 setSelectedInputMethodAndSubtypeLocked(info, subtypeId, true); 1642 if (mCurMethod != null) { 1643 try { 1644 refreshImeWindowVisibilityLocked(); 1645 mCurMethod.changeInputMethodSubtype(newSubtype); 1646 } catch (RemoteException e) { 1647 Slog.w(TAG, "Failed to call changeInputMethodSubtype"); 1648 } 1649 } 1650 } 1651 return; 1652 } 1653 1654 // Changing to a different IME. 1655 final long ident = Binder.clearCallingIdentity(); 1656 try { 1657 // Set a subtype to this input method. 1658 // subtypeId the name of a subtype which will be set. 1659 setSelectedInputMethodAndSubtypeLocked(info, subtypeId, false); 1660 // mCurMethodId should be updated after setSelectedInputMethodAndSubtypeLocked() 1661 // because mCurMethodId is stored as a history in 1662 // setSelectedInputMethodAndSubtypeLocked(). 1663 mCurMethodId = id; 1664 1665 if (ActivityManagerNative.isSystemReady()) { 1666 Intent intent = new Intent(Intent.ACTION_INPUT_METHOD_CHANGED); 1667 intent.addFlags(Intent.FLAG_RECEIVER_REPLACE_PENDING); 1668 intent.putExtra("input_method_id", id); 1669 mContext.sendBroadcastAsUser(intent, UserHandle.CURRENT); 1670 } 1671 unbindCurrentClientLocked(); 1672 } finally { 1673 Binder.restoreCallingIdentity(ident); 1674 } 1675 } 1676 1677 @Override 1678 public boolean showSoftInput(IInputMethodClient client, int flags, 1679 ResultReceiver resultReceiver) { 1680 if (!calledFromValidUser()) { 1681 return false; 1682 } 1683 int uid = Binder.getCallingUid(); 1684 long ident = Binder.clearCallingIdentity(); 1685 try { 1686 synchronized (mMethodMap) { 1687 if (mCurClient == null || client == null 1688 || mCurClient.client.asBinder() != client.asBinder()) { 1689 try { 1690 // We need to check if this is the current client with 1691 // focus in the window manager, to allow this call to 1692 // be made before input is started in it. 1693 if (!mIWindowManager.inputMethodClientHasFocus(client)) { 1694 Slog.w(TAG, "Ignoring showSoftInput of uid " + uid + ": " + client); 1695 return false; 1696 } 1697 } catch (RemoteException e) { 1698 return false; 1699 } 1700 } 1701 1702 if (DEBUG) Slog.v(TAG, "Client requesting input be shown"); 1703 return showCurrentInputLocked(flags, resultReceiver); 1704 } 1705 } finally { 1706 Binder.restoreCallingIdentity(ident); 1707 } 1708 } 1709 1710 boolean showCurrentInputLocked(int flags, ResultReceiver resultReceiver) { 1711 mShowRequested = true; 1712 if ((flags&InputMethodManager.SHOW_IMPLICIT) == 0) { 1713 mShowExplicitlyRequested = true; 1714 } 1715 if ((flags&InputMethodManager.SHOW_FORCED) != 0) { 1716 mShowExplicitlyRequested = true; 1717 mShowForced = true; 1718 } 1719 1720 if (!mSystemReady) { 1721 return false; 1722 } 1723 1724 boolean res = false; 1725 if (mCurMethod != null) { 1726 executeOrSendMessage(mCurMethod, mCaller.obtainMessageIOO( 1727 MSG_SHOW_SOFT_INPUT, getImeShowFlags(), mCurMethod, 1728 resultReceiver)); 1729 mInputShown = true; 1730 if (mHaveConnection && !mVisibleBound) { 1731 bindCurrentInputMethodService( 1732 mCurIntent, mVisibleConnection, Context.BIND_AUTO_CREATE); 1733 mVisibleBound = true; 1734 } 1735 res = true; 1736 } else if (mHaveConnection && SystemClock.uptimeMillis() 1737 >= (mLastBindTime+TIME_TO_RECONNECT)) { 1738 // The client has asked to have the input method shown, but 1739 // we have been sitting here too long with a connection to the 1740 // service and no interface received, so let's disconnect/connect 1741 // to try to prod things along. 1742 EventLog.writeEvent(EventLogTags.IMF_FORCE_RECONNECT_IME, mCurMethodId, 1743 SystemClock.uptimeMillis()-mLastBindTime,1); 1744 Slog.w(TAG, "Force disconnect/connect to the IME in showCurrentInputLocked()"); 1745 mContext.unbindService(this); 1746 bindCurrentInputMethodService(mCurIntent, this, Context.BIND_AUTO_CREATE 1747 | Context.BIND_NOT_VISIBLE); 1748 } else { 1749 if (DEBUG) { 1750 Slog.d(TAG, "Can't show input: connection = " + mHaveConnection + ", time = " 1751 + ((mLastBindTime+TIME_TO_RECONNECT) - SystemClock.uptimeMillis())); 1752 } 1753 } 1754 1755 return res; 1756 } 1757 1758 @Override 1759 public boolean hideSoftInput(IInputMethodClient client, int flags, 1760 ResultReceiver resultReceiver) { 1761 if (!calledFromValidUser()) { 1762 return false; 1763 } 1764 int uid = Binder.getCallingUid(); 1765 long ident = Binder.clearCallingIdentity(); 1766 try { 1767 synchronized (mMethodMap) { 1768 if (mCurClient == null || client == null 1769 || mCurClient.client.asBinder() != client.asBinder()) { 1770 try { 1771 // We need to check if this is the current client with 1772 // focus in the window manager, to allow this call to 1773 // be made before input is started in it. 1774 if (!mIWindowManager.inputMethodClientHasFocus(client)) { 1775 if (DEBUG) Slog.w(TAG, "Ignoring hideSoftInput of uid " 1776 + uid + ": " + client); 1777 setImeWindowVisibilityStatusHiddenLocked(); 1778 return false; 1779 } 1780 } catch (RemoteException e) { 1781 setImeWindowVisibilityStatusHiddenLocked(); 1782 return false; 1783 } 1784 } 1785 1786 if (DEBUG) Slog.v(TAG, "Client requesting input be hidden"); 1787 return hideCurrentInputLocked(flags, resultReceiver); 1788 } 1789 } finally { 1790 Binder.restoreCallingIdentity(ident); 1791 } 1792 } 1793 1794 boolean hideCurrentInputLocked(int flags, ResultReceiver resultReceiver) { 1795 if ((flags&InputMethodManager.HIDE_IMPLICIT_ONLY) != 0 1796 && (mShowExplicitlyRequested || mShowForced)) { 1797 if (DEBUG) Slog.v(TAG, 1798 "Not hiding: explicit show not cancelled by non-explicit hide"); 1799 return false; 1800 } 1801 if (mShowForced && (flags&InputMethodManager.HIDE_NOT_ALWAYS) != 0) { 1802 if (DEBUG) Slog.v(TAG, 1803 "Not hiding: forced show not cancelled by not-always hide"); 1804 return false; 1805 } 1806 boolean res; 1807 if (mInputShown && mCurMethod != null) { 1808 executeOrSendMessage(mCurMethod, mCaller.obtainMessageOO( 1809 MSG_HIDE_SOFT_INPUT, mCurMethod, resultReceiver)); 1810 res = true; 1811 } else { 1812 res = false; 1813 } 1814 if (mHaveConnection && mVisibleBound) { 1815 mContext.unbindService(mVisibleConnection); 1816 mVisibleBound = false; 1817 } 1818 mInputShown = false; 1819 mShowRequested = false; 1820 mShowExplicitlyRequested = false; 1821 mShowForced = false; 1822 return res; 1823 } 1824 1825 @Override 1826 public InputBindResult windowGainedFocus(IInputMethodClient client, IBinder windowToken, 1827 int controlFlags, int softInputMode, int windowFlags, 1828 EditorInfo attribute, IInputContext inputContext) { 1829 // Needs to check the validity before clearing calling identity 1830 final boolean calledFromValidUser = calledFromValidUser(); 1831 1832 InputBindResult res = null; 1833 long ident = Binder.clearCallingIdentity(); 1834 try { 1835 synchronized (mMethodMap) { 1836 if (DEBUG) Slog.v(TAG, "windowGainedFocus: " + client.asBinder() 1837 + " controlFlags=#" + Integer.toHexString(controlFlags) 1838 + " softInputMode=#" + Integer.toHexString(softInputMode) 1839 + " windowFlags=#" + Integer.toHexString(windowFlags)); 1840 1841 ClientState cs = mClients.get(client.asBinder()); 1842 if (cs == null) { 1843 throw new IllegalArgumentException("unknown client " 1844 + client.asBinder()); 1845 } 1846 1847 try { 1848 if (!mIWindowManager.inputMethodClientHasFocus(cs.client)) { 1849 // Check with the window manager to make sure this client actually 1850 // has a window with focus. If not, reject. This is thread safe 1851 // because if the focus changes some time before or after, the 1852 // next client receiving focus that has any interest in input will 1853 // be calling through here after that change happens. 1854 Slog.w(TAG, "Focus gain on non-focused client " + cs.client 1855 + " (uid=" + cs.uid + " pid=" + cs.pid + ")"); 1856 return null; 1857 } 1858 } catch (RemoteException e) { 1859 } 1860 1861 if (!calledFromValidUser) { 1862 Slog.w(TAG, "A background user is requesting window. Hiding IME."); 1863 Slog.w(TAG, "If you want to interect with IME, you need " 1864 + "android.permission.INTERACT_ACROSS_USERS_FULL"); 1865 hideCurrentInputLocked(0, null); 1866 return null; 1867 } 1868 1869 if (mCurFocusedWindow == windowToken) { 1870 Slog.w(TAG, "Window already focused, ignoring focus gain of: " + client 1871 + " attribute=" + attribute + ", token = " + windowToken); 1872 if (attribute != null) { 1873 return startInputUncheckedLocked(cs, inputContext, attribute, 1874 controlFlags); 1875 } 1876 return null; 1877 } 1878 mCurFocusedWindow = windowToken; 1879 1880 // Should we auto-show the IME even if the caller has not 1881 // specified what should be done with it? 1882 // We only do this automatically if the window can resize 1883 // to accommodate the IME (so what the user sees will give 1884 // them good context without input information being obscured 1885 // by the IME) or if running on a large screen where there 1886 // is more room for the target window + IME. 1887 final boolean doAutoShow = 1888 (softInputMode & WindowManager.LayoutParams.SOFT_INPUT_MASK_ADJUST) 1889 == WindowManager.LayoutParams.SOFT_INPUT_ADJUST_RESIZE 1890 || mRes.getConfiguration().isLayoutSizeAtLeast( 1891 Configuration.SCREENLAYOUT_SIZE_LARGE); 1892 final boolean isTextEditor = 1893 (controlFlags&InputMethodManager.CONTROL_WINDOW_IS_TEXT_EDITOR) != 0; 1894 1895 // We want to start input before showing the IME, but after closing 1896 // it. We want to do this after closing it to help the IME disappear 1897 // more quickly (not get stuck behind it initializing itself for the 1898 // new focused input, even if its window wants to hide the IME). 1899 boolean didStart = false; 1900 1901 switch (softInputMode&WindowManager.LayoutParams.SOFT_INPUT_MASK_STATE) { 1902 case WindowManager.LayoutParams.SOFT_INPUT_STATE_UNSPECIFIED: 1903 if (!isTextEditor || !doAutoShow) { 1904 if (WindowManager.LayoutParams.mayUseInputMethod(windowFlags)) { 1905 // There is no focus view, and this window will 1906 // be behind any soft input window, so hide the 1907 // soft input window if it is shown. 1908 if (DEBUG) Slog.v(TAG, "Unspecified window will hide input"); 1909 hideCurrentInputLocked(InputMethodManager.HIDE_NOT_ALWAYS, null); 1910 } 1911 } else if (isTextEditor && doAutoShow && (softInputMode & 1912 WindowManager.LayoutParams.SOFT_INPUT_IS_FORWARD_NAVIGATION) != 0) { 1913 // There is a focus view, and we are navigating forward 1914 // into the window, so show the input window for the user. 1915 // We only do this automatically if the window can resize 1916 // to accommodate the IME (so what the user sees will give 1917 // them good context without input information being obscured 1918 // by the IME) or if running on a large screen where there 1919 // is more room for the target window + IME. 1920 if (DEBUG) Slog.v(TAG, "Unspecified window will show input"); 1921 if (attribute != null) { 1922 res = startInputUncheckedLocked(cs, inputContext, attribute, 1923 controlFlags); 1924 didStart = true; 1925 } 1926 showCurrentInputLocked(InputMethodManager.SHOW_IMPLICIT, null); 1927 } 1928 break; 1929 case WindowManager.LayoutParams.SOFT_INPUT_STATE_UNCHANGED: 1930 // Do nothing. 1931 break; 1932 case WindowManager.LayoutParams.SOFT_INPUT_STATE_HIDDEN: 1933 if ((softInputMode & 1934 WindowManager.LayoutParams.SOFT_INPUT_IS_FORWARD_NAVIGATION) != 0) { 1935 if (DEBUG) Slog.v(TAG, "Window asks to hide input going forward"); 1936 hideCurrentInputLocked(0, null); 1937 } 1938 break; 1939 case WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_HIDDEN: 1940 if (DEBUG) Slog.v(TAG, "Window asks to hide input"); 1941 hideCurrentInputLocked(0, null); 1942 break; 1943 case WindowManager.LayoutParams.SOFT_INPUT_STATE_VISIBLE: 1944 if ((softInputMode & 1945 WindowManager.LayoutParams.SOFT_INPUT_IS_FORWARD_NAVIGATION) != 0) { 1946 if (DEBUG) Slog.v(TAG, "Window asks to show input going forward"); 1947 if (attribute != null) { 1948 res = startInputUncheckedLocked(cs, inputContext, attribute, 1949 controlFlags); 1950 didStart = true; 1951 } 1952 showCurrentInputLocked(InputMethodManager.SHOW_IMPLICIT, null); 1953 } 1954 break; 1955 case WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_VISIBLE: 1956 if (DEBUG) Slog.v(TAG, "Window asks to always show input"); 1957 if (attribute != null) { 1958 res = startInputUncheckedLocked(cs, inputContext, attribute, 1959 controlFlags); 1960 didStart = true; 1961 } 1962 showCurrentInputLocked(InputMethodManager.SHOW_IMPLICIT, null); 1963 break; 1964 } 1965 1966 if (!didStart && attribute != null) { 1967 res = startInputUncheckedLocked(cs, inputContext, attribute, 1968 controlFlags); 1969 } 1970 } 1971 } finally { 1972 Binder.restoreCallingIdentity(ident); 1973 } 1974 1975 return res; 1976 } 1977 1978 @Override 1979 public void showInputMethodPickerFromClient(IInputMethodClient client) { 1980 if (!calledFromValidUser()) { 1981 return; 1982 } 1983 synchronized (mMethodMap) { 1984 if (mCurClient == null || client == null 1985 || mCurClient.client.asBinder() != client.asBinder()) { 1986 Slog.w(TAG, "Ignoring showInputMethodPickerFromClient of uid " 1987 + Binder.getCallingUid() + ": " + client); 1988 } 1989 1990 // Always call subtype picker, because subtype picker is a superset of input method 1991 // picker. 1992 mHandler.sendEmptyMessage(MSG_SHOW_IM_SUBTYPE_PICKER); 1993 } 1994 } 1995 1996 @Override 1997 public void setInputMethod(IBinder token, String id) { 1998 if (!calledFromValidUser()) { 1999 return; 2000 } 2001 setInputMethodWithSubtypeId(token, id, NOT_A_SUBTYPE_ID); 2002 } 2003 2004 @Override 2005 public void setInputMethodAndSubtype(IBinder token, String id, InputMethodSubtype subtype) { 2006 if (!calledFromValidUser()) { 2007 return; 2008 } 2009 synchronized (mMethodMap) { 2010 if (subtype != null) { 2011 setInputMethodWithSubtypeId(token, id, getSubtypeIdFromHashCode( 2012 mMethodMap.get(id), subtype.hashCode())); 2013 } else { 2014 setInputMethod(token, id); 2015 } 2016 } 2017 } 2018 2019 @Override 2020 public void showInputMethodAndSubtypeEnablerFromClient( 2021 IInputMethodClient client, String inputMethodId) { 2022 if (!calledFromValidUser()) { 2023 return; 2024 } 2025 synchronized (mMethodMap) { 2026 if (mCurClient == null || client == null 2027 || mCurClient.client.asBinder() != client.asBinder()) { 2028 Slog.w(TAG, "Ignoring showInputMethodAndSubtypeEnablerFromClient of: " + client); 2029 } 2030 executeOrSendMessage(mCurMethod, mCaller.obtainMessageO( 2031 MSG_SHOW_IM_SUBTYPE_ENABLER, inputMethodId)); 2032 } 2033 } 2034 2035 @Override 2036 public boolean switchToLastInputMethod(IBinder token) { 2037 if (!calledFromValidUser()) { 2038 return false; 2039 } 2040 synchronized (mMethodMap) { 2041 final Pair<String, String> lastIme = mSettings.getLastInputMethodAndSubtypeLocked(); 2042 final InputMethodInfo lastImi; 2043 if (lastIme != null) { 2044 lastImi = mMethodMap.get(lastIme.first); 2045 } else { 2046 lastImi = null; 2047 } 2048 String targetLastImiId = null; 2049 int subtypeId = NOT_A_SUBTYPE_ID; 2050 if (lastIme != null && lastImi != null) { 2051 final boolean imiIdIsSame = lastImi.getId().equals(mCurMethodId); 2052 final int lastSubtypeHash = Integer.valueOf(lastIme.second); 2053 final int currentSubtypeHash = mCurrentSubtype == null ? NOT_A_SUBTYPE_ID 2054 : mCurrentSubtype.hashCode(); 2055 // If the last IME is the same as the current IME and the last subtype is not 2056 // defined, there is no need to switch to the last IME. 2057 if (!imiIdIsSame || lastSubtypeHash != currentSubtypeHash) { 2058 targetLastImiId = lastIme.first; 2059 subtypeId = getSubtypeIdFromHashCode(lastImi, lastSubtypeHash); 2060 } 2061 } 2062 2063 if (TextUtils.isEmpty(targetLastImiId) && !canAddToLastInputMethod(mCurrentSubtype)) { 2064 // This is a safety net. If the currentSubtype can't be added to the history 2065 // and the framework couldn't find the last ime, we will make the last ime be 2066 // the most applicable enabled keyboard subtype of the system imes. 2067 final List<InputMethodInfo> enabled = mSettings.getEnabledInputMethodListLocked(); 2068 if (enabled != null) { 2069 final int N = enabled.size(); 2070 final String locale = mCurrentSubtype == null 2071 ? mRes.getConfiguration().locale.toString() 2072 : mCurrentSubtype.getLocale(); 2073 for (int i = 0; i < N; ++i) { 2074 final InputMethodInfo imi = enabled.get(i); 2075 if (imi.getSubtypeCount() > 0 && isSystemIme(imi)) { 2076 InputMethodSubtype keyboardSubtype = 2077 findLastResortApplicableSubtypeLocked(mRes, getSubtypes(imi), 2078 SUBTYPE_MODE_KEYBOARD, locale, true); 2079 if (keyboardSubtype != null) { 2080 targetLastImiId = imi.getId(); 2081 subtypeId = getSubtypeIdFromHashCode( 2082 imi, keyboardSubtype.hashCode()); 2083 if(keyboardSubtype.getLocale().equals(locale)) { 2084 break; 2085 } 2086 } 2087 } 2088 } 2089 } 2090 } 2091 2092 if (!TextUtils.isEmpty(targetLastImiId)) { 2093 if (DEBUG) { 2094 Slog.d(TAG, "Switch to: " + lastImi.getId() + ", " + lastIme.second 2095 + ", from: " + mCurMethodId + ", " + subtypeId); 2096 } 2097 setInputMethodWithSubtypeId(token, targetLastImiId, subtypeId); 2098 return true; 2099 } else { 2100 return false; 2101 } 2102 } 2103 } 2104 2105 @Override 2106 public boolean switchToNextInputMethod(IBinder token, boolean onlyCurrentIme) { 2107 if (!calledFromValidUser()) { 2108 return false; 2109 } 2110 synchronized (mMethodMap) { 2111 final ImeSubtypeListItem nextSubtype = mImListManager.getNextInputMethod( 2112 onlyCurrentIme, mMethodMap.get(mCurMethodId), mCurrentSubtype); 2113 if (nextSubtype == null) { 2114 return false; 2115 } 2116 setInputMethodWithSubtypeId(token, nextSubtype.mImi.getId(), nextSubtype.mSubtypeId); 2117 return true; 2118 } 2119 } 2120 2121 @Override 2122 public InputMethodSubtype getLastInputMethodSubtype() { 2123 if (!calledFromValidUser()) { 2124 return null; 2125 } 2126 synchronized (mMethodMap) { 2127 final Pair<String, String> lastIme = mSettings.getLastInputMethodAndSubtypeLocked(); 2128 // TODO: Handle the case of the last IME with no subtypes 2129 if (lastIme == null || TextUtils.isEmpty(lastIme.first) 2130 || TextUtils.isEmpty(lastIme.second)) return null; 2131 final InputMethodInfo lastImi = mMethodMap.get(lastIme.first); 2132 if (lastImi == null) return null; 2133 try { 2134 final int lastSubtypeHash = Integer.valueOf(lastIme.second); 2135 final int lastSubtypeId = getSubtypeIdFromHashCode(lastImi, lastSubtypeHash); 2136 if (lastSubtypeId < 0 || lastSubtypeId >= lastImi.getSubtypeCount()) { 2137 return null; 2138 } 2139 return lastImi.getSubtypeAt(lastSubtypeId); 2140 } catch (NumberFormatException e) { 2141 return null; 2142 } 2143 } 2144 } 2145 2146 @Override 2147 public void setAdditionalInputMethodSubtypes(String imiId, InputMethodSubtype[] subtypes) { 2148 if (!calledFromValidUser()) { 2149 return; 2150 } 2151 // By this IPC call, only a process which shares the same uid with the IME can add 2152 // additional input method subtypes to the IME. 2153 if (TextUtils.isEmpty(imiId) || subtypes == null || subtypes.length == 0) return; 2154 synchronized (mMethodMap) { 2155 final InputMethodInfo imi = mMethodMap.get(imiId); 2156 if (imi == null) return; 2157 final String[] packageInfos; 2158 try { 2159 packageInfos = mIPackageManager.getPackagesForUid(Binder.getCallingUid()); 2160 } catch (RemoteException e) { 2161 Slog.e(TAG, "Failed to get package infos"); 2162 return; 2163 } 2164 if (packageInfos != null) { 2165 final int packageNum = packageInfos.length; 2166 for (int i = 0; i < packageNum; ++i) { 2167 if (packageInfos[i].equals(imi.getPackageName())) { 2168 mFileManager.addInputMethodSubtypes(imi, subtypes); 2169 final long ident = Binder.clearCallingIdentity(); 2170 try { 2171 buildInputMethodListLocked(mMethodList, mMethodMap); 2172 } finally { 2173 Binder.restoreCallingIdentity(ident); 2174 } 2175 return; 2176 } 2177 } 2178 } 2179 } 2180 return; 2181 } 2182 2183 private void setInputMethodWithSubtypeId(IBinder token, String id, int subtypeId) { 2184 synchronized (mMethodMap) { 2185 if (token == null) { 2186 if (mContext.checkCallingOrSelfPermission( 2187 android.Manifest.permission.WRITE_SECURE_SETTINGS) 2188 != PackageManager.PERMISSION_GRANTED) { 2189 throw new SecurityException( 2190 "Using null token requires permission " 2191 + android.Manifest.permission.WRITE_SECURE_SETTINGS); 2192 } 2193 } else if (mCurToken != token) { 2194 Slog.w(TAG, "Ignoring setInputMethod of uid " + Binder.getCallingUid() 2195 + " token: " + token); 2196 return; 2197 } 2198 2199 final long ident = Binder.clearCallingIdentity(); 2200 try { 2201 setInputMethodLocked(id, subtypeId); 2202 } finally { 2203 Binder.restoreCallingIdentity(ident); 2204 } 2205 } 2206 } 2207 2208 @Override 2209 public void hideMySoftInput(IBinder token, int flags) { 2210 if (!calledFromValidUser()) { 2211 return; 2212 } 2213 synchronized (mMethodMap) { 2214 if (token == null || mCurToken != token) { 2215 if (DEBUG) Slog.w(TAG, "Ignoring hideInputMethod of uid " 2216 + Binder.getCallingUid() + " token: " + token); 2217 return; 2218 } 2219 long ident = Binder.clearCallingIdentity(); 2220 try { 2221 hideCurrentInputLocked(flags, null); 2222 } finally { 2223 Binder.restoreCallingIdentity(ident); 2224 } 2225 } 2226 } 2227 2228 @Override 2229 public void showMySoftInput(IBinder token, int flags) { 2230 if (!calledFromValidUser()) { 2231 return; 2232 } 2233 synchronized (mMethodMap) { 2234 if (token == null || mCurToken != token) { 2235 Slog.w(TAG, "Ignoring showMySoftInput of uid " 2236 + Binder.getCallingUid() + " token: " + token); 2237 return; 2238 } 2239 long ident = Binder.clearCallingIdentity(); 2240 try { 2241 showCurrentInputLocked(flags, null); 2242 } finally { 2243 Binder.restoreCallingIdentity(ident); 2244 } 2245 } 2246 } 2247 2248 void setEnabledSessionInMainThread(SessionState session) { 2249 if (mEnabledSession != session) { 2250 if (mEnabledSession != null) { 2251 try { 2252 if (DEBUG) Slog.v(TAG, "Disabling: " + mEnabledSession); 2253 mEnabledSession.method.setSessionEnabled( 2254 mEnabledSession.session, false); 2255 } catch (RemoteException e) { 2256 } 2257 } 2258 mEnabledSession = session; 2259 try { 2260 if (DEBUG) Slog.v(TAG, "Enabling: " + mEnabledSession); 2261 session.method.setSessionEnabled( 2262 session.session, true); 2263 } catch (RemoteException e) { 2264 } 2265 } 2266 } 2267 2268 @Override 2269 public boolean handleMessage(Message msg) { 2270 SomeArgs args; 2271 switch (msg.what) { 2272 case MSG_SHOW_IM_PICKER: 2273 showInputMethodMenu(); 2274 return true; 2275 2276 case MSG_SHOW_IM_SUBTYPE_PICKER: 2277 showInputMethodSubtypeMenu(); 2278 return true; 2279 2280 case MSG_SHOW_IM_SUBTYPE_ENABLER: 2281 args = (SomeArgs)msg.obj; 2282 showInputMethodAndSubtypeEnabler((String)args.arg1); 2283 args.recycle(); 2284 return true; 2285 2286 case MSG_SHOW_IM_CONFIG: 2287 showConfigureInputMethods(); 2288 return true; 2289 2290 // --------------------------------------------------------- 2291 2292 case MSG_UNBIND_INPUT: 2293 try { 2294 ((IInputMethod)msg.obj).unbindInput(); 2295 } catch (RemoteException e) { 2296 // There is nothing interesting about the method dying. 2297 } 2298 return true; 2299 case MSG_BIND_INPUT: 2300 args = (SomeArgs)msg.obj; 2301 try { 2302 ((IInputMethod)args.arg1).bindInput((InputBinding)args.arg2); 2303 } catch (RemoteException e) { 2304 } 2305 args.recycle(); 2306 return true; 2307 case MSG_SHOW_SOFT_INPUT: 2308 args = (SomeArgs)msg.obj; 2309 try { 2310 ((IInputMethod)args.arg1).showSoftInput(msg.arg1, 2311 (ResultReceiver)args.arg2); 2312 } catch (RemoteException e) { 2313 } 2314 args.recycle(); 2315 return true; 2316 case MSG_HIDE_SOFT_INPUT: 2317 args = (SomeArgs)msg.obj; 2318 try { 2319 ((IInputMethod)args.arg1).hideSoftInput(0, 2320 (ResultReceiver)args.arg2); 2321 } catch (RemoteException e) { 2322 } 2323 args.recycle(); 2324 return true; 2325 case MSG_ATTACH_TOKEN: 2326 args = (SomeArgs)msg.obj; 2327 try { 2328 if (DEBUG) Slog.v(TAG, "Sending attach of token: " + args.arg2); 2329 ((IInputMethod)args.arg1).attachToken((IBinder)args.arg2); 2330 } catch (RemoteException e) { 2331 } 2332 args.recycle(); 2333 return true; 2334 case MSG_CREATE_SESSION: 2335 args = (SomeArgs)msg.obj; 2336 try { 2337 ((IInputMethod)args.arg1).createSession( 2338 (IInputMethodCallback)args.arg2); 2339 } catch (RemoteException e) { 2340 } 2341 args.recycle(); 2342 return true; 2343 // --------------------------------------------------------- 2344 2345 case MSG_START_INPUT: 2346 args = (SomeArgs)msg.obj; 2347 try { 2348 SessionState session = (SessionState)args.arg1; 2349 setEnabledSessionInMainThread(session); 2350 session.method.startInput((IInputContext)args.arg2, 2351 (EditorInfo)args.arg3); 2352 } catch (RemoteException e) { 2353 } 2354 args.recycle(); 2355 return true; 2356 case MSG_RESTART_INPUT: 2357 args = (SomeArgs)msg.obj; 2358 try { 2359 SessionState session = (SessionState)args.arg1; 2360 setEnabledSessionInMainThread(session); 2361 session.method.restartInput((IInputContext)args.arg2, 2362 (EditorInfo)args.arg3); 2363 } catch (RemoteException e) { 2364 } 2365 args.recycle(); 2366 return true; 2367 2368 // --------------------------------------------------------- 2369 2370 case MSG_UNBIND_METHOD: 2371 try { 2372 ((IInputMethodClient)msg.obj).onUnbindMethod(msg.arg1); 2373 } catch (RemoteException e) { 2374 // There is nothing interesting about the last client dying. 2375 } 2376 return true; 2377 case MSG_BIND_METHOD: 2378 args = (SomeArgs)msg.obj; 2379 try { 2380 ((IInputMethodClient)args.arg1).onBindMethod( 2381 (InputBindResult)args.arg2); 2382 } catch (RemoteException e) { 2383 Slog.w(TAG, "Client died receiving input method " + args.arg2); 2384 } 2385 args.recycle(); 2386 return true; 2387 case MSG_SET_ACTIVE: 2388 try { 2389 ((ClientState)msg.obj).client.setActive(msg.arg1 != 0); 2390 } catch (RemoteException e) { 2391 Slog.w(TAG, "Got RemoteException sending setActive(false) notification to pid " 2392 + ((ClientState)msg.obj).pid + " uid " 2393 + ((ClientState)msg.obj).uid); 2394 } 2395 return true; 2396 2397 // -------------------------------------------------------------- 2398 case MSG_HARD_KEYBOARD_SWITCH_CHANGED: 2399 mHardKeyboardListener.handleHardKeyboardStatusChange( 2400 msg.arg1 == 1, msg.arg2 == 1); 2401 return true; 2402 } 2403 return false; 2404 } 2405 2406 private static boolean isSystemIme(InputMethodInfo inputMethod) { 2407 return (inputMethod.getServiceInfo().applicationInfo.flags 2408 & ApplicationInfo.FLAG_SYSTEM) != 0; 2409 } 2410 2411 private static ArrayList<InputMethodSubtype> getSubtypes(InputMethodInfo imi) { 2412 ArrayList<InputMethodSubtype> subtypes = new ArrayList<InputMethodSubtype>(); 2413 final int subtypeCount = imi.getSubtypeCount(); 2414 for (int i = 0; i < subtypeCount; ++i) { 2415 subtypes.add(imi.getSubtypeAt(i)); 2416 } 2417 return subtypes; 2418 } 2419 2420 private static ArrayList<InputMethodSubtype> getOverridingImplicitlyEnabledSubtypes( 2421 InputMethodInfo imi, String mode) { 2422 ArrayList<InputMethodSubtype> subtypes = new ArrayList<InputMethodSubtype>(); 2423 final int subtypeCount = imi.getSubtypeCount(); 2424 for (int i = 0; i < subtypeCount; ++i) { 2425 final InputMethodSubtype subtype = imi.getSubtypeAt(i); 2426 if (subtype.overridesImplicitlyEnabledSubtype() && subtype.getMode().equals(mode)) { 2427 subtypes.add(subtype); 2428 } 2429 } 2430 return subtypes; 2431 } 2432 2433 private InputMethodInfo getMostApplicableDefaultIMELocked() { 2434 List<InputMethodInfo> enabled = mSettings.getEnabledInputMethodListLocked(); 2435 if (enabled != null && enabled.size() > 0) { 2436 // We'd prefer to fall back on a system IME, since that is safer. 2437 int i = enabled.size(); 2438 int firstFoundSystemIme = -1; 2439 while (i > 0) { 2440 i--; 2441 final InputMethodInfo imi = enabled.get(i); 2442 if (isSystemImeThatHasEnglishSubtype(imi) && !imi.isAuxiliaryIme()) { 2443 return imi; 2444 } 2445 if (firstFoundSystemIme < 0 && isSystemIme(imi) && !imi.isAuxiliaryIme()) { 2446 firstFoundSystemIme = i; 2447 } 2448 } 2449 return enabled.get(Math.max(firstFoundSystemIme, 0)); 2450 } 2451 return null; 2452 } 2453 2454 private boolean chooseNewDefaultIMELocked() { 2455 final InputMethodInfo imi = getMostApplicableDefaultIMELocked(); 2456 if (imi != null) { 2457 if (DEBUG) { 2458 Slog.d(TAG, "New default IME was selected: " + imi.getId()); 2459 } 2460 resetSelectedInputMethodAndSubtypeLocked(imi.getId()); 2461 return true; 2462 } 2463 2464 return false; 2465 } 2466 2467 void buildInputMethodListLocked(ArrayList<InputMethodInfo> list, 2468 HashMap<String, InputMethodInfo> map) { 2469 if (DEBUG) { 2470 Slog.d(TAG, "--- re-buildInputMethodList " + ", \n ------ \n" + getStackTrace()); 2471 } 2472 list.clear(); 2473 map.clear(); 2474 2475 // Use for queryIntentServicesAsUser 2476 final PackageManager pm = mContext.getPackageManager(); 2477 final Configuration config = mRes.getConfiguration(); 2478 final boolean haveHardKeyboard = config.keyboard == Configuration.KEYBOARD_QWERTY; 2479 String disabledSysImes = mSettings.getDisabledSystemInputMethods(); 2480 if (disabledSysImes == null) disabledSysImes = ""; 2481 2482 final List<ResolveInfo> services = pm.queryIntentServicesAsUser( 2483 new Intent(InputMethod.SERVICE_INTERFACE), 2484 PackageManager.GET_META_DATA, mSettings.getCurrentUserId()); 2485 2486 final HashMap<String, List<InputMethodSubtype>> additionalSubtypes = 2487 mFileManager.getAllAdditionalInputMethodSubtypes(); 2488 for (int i = 0; i < services.size(); ++i) { 2489 ResolveInfo ri = services.get(i); 2490 ServiceInfo si = ri.serviceInfo; 2491 ComponentName compName = new ComponentName(si.packageName, si.name); 2492 if (!android.Manifest.permission.BIND_INPUT_METHOD.equals( 2493 si.permission)) { 2494 Slog.w(TAG, "Skipping input method " + compName 2495 + ": it does not require the permission " 2496 + android.Manifest.permission.BIND_INPUT_METHOD); 2497 continue; 2498 } 2499 2500 if (DEBUG) Slog.d(TAG, "Checking " + compName); 2501 2502 try { 2503 InputMethodInfo p = new InputMethodInfo(mContext, ri, additionalSubtypes); 2504 list.add(p); 2505 final String id = p.getId(); 2506 map.put(id, p); 2507 2508 // Valid system default IMEs and IMEs that have English subtypes are enabled 2509 // by default 2510 if ((isValidSystemDefaultIme(p, mContext) || isSystemImeThatHasEnglishSubtype(p))) { 2511 setInputMethodEnabledLocked(id, true); 2512 } 2513 2514 if (DEBUG) { 2515 Slog.d(TAG, "Found a third-party input method " + p); 2516 } 2517 2518 } catch (XmlPullParserException e) { 2519 Slog.w(TAG, "Unable to load input method " + compName, e); 2520 } catch (IOException e) { 2521 Slog.w(TAG, "Unable to load input method " + compName, e); 2522 } 2523 } 2524 2525 final String defaultImiId = mSettings.getSelectedInputMethod(); 2526 if (!TextUtils.isEmpty(defaultImiId)) { 2527 if (!map.containsKey(defaultImiId)) { 2528 Slog.w(TAG, "Default IME is uninstalled. Choose new default IME."); 2529 if (chooseNewDefaultIMELocked()) { 2530 updateFromSettingsLocked(); 2531 } 2532 } else { 2533 // Double check that the default IME is certainly enabled. 2534 setInputMethodEnabledLocked(defaultImiId, true); 2535 } 2536 } 2537 } 2538 2539 // ---------------------------------------------------------------------- 2540 2541 private void showInputMethodMenu() { 2542 showInputMethodMenuInternal(false); 2543 } 2544 2545 private void showInputMethodSubtypeMenu() { 2546 showInputMethodMenuInternal(true); 2547 } 2548 2549 private void showInputMethodAndSubtypeEnabler(String inputMethodId) { 2550 Intent intent = new Intent(Settings.ACTION_INPUT_METHOD_SUBTYPE_SETTINGS); 2551 intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK 2552 | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED 2553 | Intent.FLAG_ACTIVITY_CLEAR_TOP); 2554 if (!TextUtils.isEmpty(inputMethodId)) { 2555 intent.putExtra(Settings.EXTRA_INPUT_METHOD_ID, inputMethodId); 2556 } 2557 mContext.startActivityAsUser(intent, null, UserHandle.CURRENT); 2558 } 2559 2560 private void showConfigureInputMethods() { 2561 Intent intent = new Intent(Settings.ACTION_INPUT_METHOD_SETTINGS); 2562 intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK 2563 | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED 2564 | Intent.FLAG_ACTIVITY_CLEAR_TOP); 2565 mContext.startActivityAsUser(intent, null, UserHandle.CURRENT); 2566 } 2567 2568 private boolean isScreenLocked() { 2569 return mKeyguardManager != null 2570 && mKeyguardManager.isKeyguardLocked() && mKeyguardManager.isKeyguardSecure(); 2571 } 2572 private void showInputMethodMenuInternal(boolean showSubtypes) { 2573 if (DEBUG) Slog.v(TAG, "Show switching menu"); 2574 2575 final Context context = mContext; 2576 final boolean isScreenLocked = isScreenLocked(); 2577 2578 final String lastInputMethodId = mSettings.getSelectedInputMethod(); 2579 int lastInputMethodSubtypeId = getSelectedInputMethodSubtypeId(lastInputMethodId); 2580 if (DEBUG) Slog.v(TAG, "Current IME: " + lastInputMethodId); 2581 2582 synchronized (mMethodMap) { 2583 final HashMap<InputMethodInfo, List<InputMethodSubtype>> immis = 2584 getExplicitlyOrImplicitlyEnabledInputMethodsAndSubtypeListLocked(); 2585 if (immis == null || immis.size() == 0) { 2586 return; 2587 } 2588 2589 hideInputMethodMenuLocked(); 2590 2591 final List<ImeSubtypeListItem> imList = 2592 mImListManager.getSortedInputMethodAndSubtypeList( 2593 showSubtypes, mInputShown, isScreenLocked); 2594 2595 if (lastInputMethodSubtypeId == NOT_A_SUBTYPE_ID) { 2596 final InputMethodSubtype currentSubtype = getCurrentInputMethodSubtypeLocked(); 2597 if (currentSubtype != null) { 2598 final InputMethodInfo currentImi = mMethodMap.get(mCurMethodId); 2599 lastInputMethodSubtypeId = 2600 getSubtypeIdFromHashCode(currentImi, currentSubtype.hashCode()); 2601 } 2602 } 2603 2604 final int N = imList.size(); 2605 mIms = new InputMethodInfo[N]; 2606 mSubtypeIds = new int[N]; 2607 int checkedItem = 0; 2608 for (int i = 0; i < N; ++i) { 2609 final ImeSubtypeListItem item = imList.get(i); 2610 mIms[i] = item.mImi; 2611 mSubtypeIds[i] = item.mSubtypeId; 2612 if (mIms[i].getId().equals(lastInputMethodId)) { 2613 int subtypeId = mSubtypeIds[i]; 2614 if ((subtypeId == NOT_A_SUBTYPE_ID) 2615 || (lastInputMethodSubtypeId == NOT_A_SUBTYPE_ID && subtypeId == 0) 2616 || (subtypeId == lastInputMethodSubtypeId)) { 2617 checkedItem = i; 2618 } 2619 } 2620 } 2621 final TypedArray a = context.obtainStyledAttributes(null, 2622 com.android.internal.R.styleable.DialogPreference, 2623 com.android.internal.R.attr.alertDialogStyle, 0); 2624 mDialogBuilder = new AlertDialog.Builder(context) 2625 .setOnCancelListener(new OnCancelListener() { 2626 @Override 2627 public void onCancel(DialogInterface dialog) { 2628 hideInputMethodMenu(); 2629 } 2630 }) 2631 .setIcon(a.getDrawable( 2632 com.android.internal.R.styleable.DialogPreference_dialogTitle)); 2633 a.recycle(); 2634 final LayoutInflater inflater = 2635 (LayoutInflater)mContext.getSystemService(Context.LAYOUT_INFLATER_SERVICE); 2636 final View tv = inflater.inflate( 2637 com.android.internal.R.layout.input_method_switch_dialog_title, null); 2638 mDialogBuilder.setCustomTitle(tv); 2639 2640 // Setup layout for a toggle switch of the hardware keyboard 2641 mSwitchingDialogTitleView = tv; 2642 mSwitchingDialogTitleView.findViewById( 2643 com.android.internal.R.id.hard_keyboard_section).setVisibility( 2644 mWindowManagerService.isHardKeyboardAvailable() ? 2645 View.VISIBLE : View.GONE); 2646 final Switch hardKeySwitch = ((Switch)mSwitchingDialogTitleView.findViewById( 2647 com.android.internal.R.id.hard_keyboard_switch)); 2648 hardKeySwitch.setChecked(mWindowManagerService.isHardKeyboardEnabled()); 2649 hardKeySwitch.setOnCheckedChangeListener( 2650 new OnCheckedChangeListener() { 2651 @Override 2652 public void onCheckedChanged( 2653 CompoundButton buttonView, boolean isChecked) { 2654 mWindowManagerService.setHardKeyboardEnabled(isChecked); 2655 } 2656 }); 2657 2658 final ImeSubtypeListAdapter adapter = new ImeSubtypeListAdapter(context, 2659 com.android.internal.R.layout.simple_list_item_2_single_choice, imList, 2660 checkedItem); 2661 2662 mDialogBuilder.setSingleChoiceItems(adapter, checkedItem, 2663 new AlertDialog.OnClickListener() { 2664 @Override 2665 public void onClick(DialogInterface dialog, int which) { 2666 synchronized (mMethodMap) { 2667 if (mIms == null || mIms.length <= which 2668 || mSubtypeIds == null || mSubtypeIds.length <= which) { 2669 return; 2670 } 2671 InputMethodInfo im = mIms[which]; 2672 int subtypeId = mSubtypeIds[which]; 2673 hideInputMethodMenu(); 2674 if (im != null) { 2675 if ((subtypeId < 0) 2676 || (subtypeId >= im.getSubtypeCount())) { 2677 subtypeId = NOT_A_SUBTYPE_ID; 2678 } 2679 setInputMethodLocked(im.getId(), subtypeId); 2680 } 2681 } 2682 } 2683 }); 2684 2685 if (showSubtypes && !isScreenLocked) { 2686 mDialogBuilder.setPositiveButton( 2687 com.android.internal.R.string.configure_input_methods, 2688 new DialogInterface.OnClickListener() { 2689 @Override 2690 public void onClick(DialogInterface dialog, int whichButton) { 2691 showConfigureInputMethods(); 2692 } 2693 }); 2694 } 2695 mSwitchingDialog = mDialogBuilder.create(); 2696 mSwitchingDialog.setCanceledOnTouchOutside(true); 2697 mSwitchingDialog.getWindow().setType( 2698 WindowManager.LayoutParams.TYPE_INPUT_METHOD_DIALOG); 2699 mSwitchingDialog.getWindow().getAttributes().privateFlags |= 2700 WindowManager.LayoutParams.PRIVATE_FLAG_SHOW_FOR_ALL_USERS; 2701 mSwitchingDialog.getWindow().getAttributes().setTitle("Select input method"); 2702 mSwitchingDialog.show(); 2703 } 2704 } 2705 2706 private static class ImeSubtypeListItem implements Comparable<ImeSubtypeListItem> { 2707 public final CharSequence mImeName; 2708 public final CharSequence mSubtypeName; 2709 public final InputMethodInfo mImi; 2710 public final int mSubtypeId; 2711 private final boolean mIsSystemLocale; 2712 private final boolean mIsSystemLanguage; 2713 2714 public ImeSubtypeListItem(CharSequence imeName, CharSequence subtypeName, 2715 InputMethodInfo imi, int subtypeId, String subtypeLocale, String systemLocale) { 2716 mImeName = imeName; 2717 mSubtypeName = subtypeName; 2718 mImi = imi; 2719 mSubtypeId = subtypeId; 2720 if (TextUtils.isEmpty(subtypeLocale)) { 2721 mIsSystemLocale = false; 2722 mIsSystemLanguage = false; 2723 } else { 2724 mIsSystemLocale = subtypeLocale.equals(systemLocale); 2725 mIsSystemLanguage = mIsSystemLocale 2726 || subtypeLocale.startsWith(systemLocale.substring(0, 2)); 2727 } 2728 } 2729 2730 @Override 2731 public int compareTo(ImeSubtypeListItem other) { 2732 if (TextUtils.isEmpty(mImeName)) { 2733 return 1; 2734 } 2735 if (TextUtils.isEmpty(other.mImeName)) { 2736 return -1; 2737 } 2738 if (!TextUtils.equals(mImeName, other.mImeName)) { 2739 return mImeName.toString().compareTo(other.mImeName.toString()); 2740 } 2741 if (TextUtils.equals(mSubtypeName, other.mSubtypeName)) { 2742 return 0; 2743 } 2744 if (mIsSystemLocale) { 2745 return -1; 2746 } 2747 if (other.mIsSystemLocale) { 2748 return 1; 2749 } 2750 if (mIsSystemLanguage) { 2751 return -1; 2752 } 2753 if (other.mIsSystemLanguage) { 2754 return 1; 2755 } 2756 if (TextUtils.isEmpty(mSubtypeName)) { 2757 return 1; 2758 } 2759 if (TextUtils.isEmpty(other.mSubtypeName)) { 2760 return -1; 2761 } 2762 return mSubtypeName.toString().compareTo(other.mSubtypeName.toString()); 2763 } 2764 } 2765 2766 private static class ImeSubtypeListAdapter extends ArrayAdapter<ImeSubtypeListItem> { 2767 private final LayoutInflater mInflater; 2768 private final int mTextViewResourceId; 2769 private final List<ImeSubtypeListItem> mItemsList; 2770 private final int mCheckedItem; 2771 public ImeSubtypeListAdapter(Context context, int textViewResourceId, 2772 List<ImeSubtypeListItem> itemsList, int checkedItem) { 2773 super(context, textViewResourceId, itemsList); 2774 mTextViewResourceId = textViewResourceId; 2775 mItemsList = itemsList; 2776 mCheckedItem = checkedItem; 2777 mInflater = (LayoutInflater)context.getSystemService(Context.LAYOUT_INFLATER_SERVICE); 2778 } 2779 2780 @Override 2781 public View getView(int position, View convertView, ViewGroup parent) { 2782 final View view = convertView != null ? convertView 2783 : mInflater.inflate(mTextViewResourceId, null); 2784 if (position < 0 || position >= mItemsList.size()) return view; 2785 final ImeSubtypeListItem item = mItemsList.get(position); 2786 final CharSequence imeName = item.mImeName; 2787 final CharSequence subtypeName = item.mSubtypeName; 2788 final TextView firstTextView = (TextView)view.findViewById(android.R.id.text1); 2789 final TextView secondTextView = (TextView)view.findViewById(android.R.id.text2); 2790 if (TextUtils.isEmpty(subtypeName)) { 2791 firstTextView.setText(imeName); 2792 secondTextView.setVisibility(View.GONE); 2793 } else { 2794 firstTextView.setText(subtypeName); 2795 secondTextView.setText(imeName); 2796 secondTextView.setVisibility(View.VISIBLE); 2797 } 2798 final RadioButton radioButton = 2799 (RadioButton)view.findViewById(com.android.internal.R.id.radio); 2800 radioButton.setChecked(position == mCheckedItem); 2801 return view; 2802 } 2803 } 2804 2805 void hideInputMethodMenu() { 2806 synchronized (mMethodMap) { 2807 hideInputMethodMenuLocked(); 2808 } 2809 } 2810 2811 void hideInputMethodMenuLocked() { 2812 if (DEBUG) Slog.v(TAG, "Hide switching menu"); 2813 2814 if (mSwitchingDialog != null) { 2815 mSwitchingDialog.dismiss(); 2816 mSwitchingDialog = null; 2817 } 2818 2819 mDialogBuilder = null; 2820 mIms = null; 2821 } 2822 2823 // ---------------------------------------------------------------------- 2824 2825 @Override 2826 public boolean setInputMethodEnabled(String id, boolean enabled) { 2827 // TODO: Make this work even for non-current users? 2828 if (!calledFromValidUser()) { 2829 return false; 2830 } 2831 synchronized (mMethodMap) { 2832 if (mContext.checkCallingOrSelfPermission( 2833 android.Manifest.permission.WRITE_SECURE_SETTINGS) 2834 != PackageManager.PERMISSION_GRANTED) { 2835 throw new SecurityException( 2836 "Requires permission " 2837 + android.Manifest.permission.WRITE_SECURE_SETTINGS); 2838 } 2839 2840 long ident = Binder.clearCallingIdentity(); 2841 try { 2842 return setInputMethodEnabledLocked(id, enabled); 2843 } finally { 2844 Binder.restoreCallingIdentity(ident); 2845 } 2846 } 2847 } 2848 2849 boolean setInputMethodEnabledLocked(String id, boolean enabled) { 2850 // Make sure this is a valid input method. 2851 InputMethodInfo imm = mMethodMap.get(id); 2852 if (imm == null) { 2853 throw new IllegalArgumentException("Unknown id: " + mCurMethodId); 2854 } 2855 2856 List<Pair<String, ArrayList<String>>> enabledInputMethodsList = mSettings 2857 .getEnabledInputMethodsAndSubtypeListLocked(); 2858 2859 if (enabled) { 2860 for (Pair<String, ArrayList<String>> pair: enabledInputMethodsList) { 2861 if (pair.first.equals(id)) { 2862 // We are enabling this input method, but it is already enabled. 2863 // Nothing to do. The previous state was enabled. 2864 return true; 2865 } 2866 } 2867 mSettings.appendAndPutEnabledInputMethodLocked(id, false); 2868 // Previous state was disabled. 2869 return false; 2870 } else { 2871 StringBuilder builder = new StringBuilder(); 2872 if (mSettings.buildAndPutEnabledInputMethodsStrRemovingIdLocked( 2873 builder, enabledInputMethodsList, id)) { 2874 // Disabled input method is currently selected, switch to another one. 2875 final String selId = mSettings.getSelectedInputMethod(); 2876 if (id.equals(selId) && !chooseNewDefaultIMELocked()) { 2877 Slog.i(TAG, "Can't find new IME, unsetting the current input method."); 2878 resetSelectedInputMethodAndSubtypeLocked(""); 2879 } 2880 // Previous state was enabled. 2881 return true; 2882 } else { 2883 // We are disabling the input method but it is already disabled. 2884 // Nothing to do. The previous state was disabled. 2885 return false; 2886 } 2887 } 2888 } 2889 2890 private boolean canAddToLastInputMethod(InputMethodSubtype subtype) { 2891 if (subtype == null) return true; 2892 return !subtype.isAuxiliary(); 2893 } 2894 2895 private void saveCurrentInputMethodAndSubtypeToHistory() { 2896 String subtypeId = NOT_A_SUBTYPE_ID_STR; 2897 if (mCurrentSubtype != null) { 2898 subtypeId = String.valueOf(mCurrentSubtype.hashCode()); 2899 } 2900 if (canAddToLastInputMethod(mCurrentSubtype)) { 2901 mSettings.addSubtypeToHistory(mCurMethodId, subtypeId); 2902 } 2903 } 2904 2905 private void setSelectedInputMethodAndSubtypeLocked(InputMethodInfo imi, int subtypeId, 2906 boolean setSubtypeOnly) { 2907 // Update the history of InputMethod and Subtype 2908 saveCurrentInputMethodAndSubtypeToHistory(); 2909 2910 // Set Subtype here 2911 if (imi == null || subtypeId < 0) { 2912 mSettings.putSelectedSubtype(NOT_A_SUBTYPE_ID); 2913 mCurrentSubtype = null; 2914 } else { 2915 if (subtypeId < imi.getSubtypeCount()) { 2916 InputMethodSubtype subtype = imi.getSubtypeAt(subtypeId); 2917 mSettings.putSelectedSubtype(subtype.hashCode()); 2918 mCurrentSubtype = subtype; 2919 } else { 2920 mSettings.putSelectedSubtype(NOT_A_SUBTYPE_ID); 2921 // If the subtype is not specified, choose the most applicable one 2922 mCurrentSubtype = getCurrentInputMethodSubtypeLocked(); 2923 } 2924 } 2925 2926 // Workaround. 2927 // ASEC is not ready in the IMMS constructor. Accordingly, forward-locked 2928 // IMEs are not recognized and considered uninstalled. 2929 // Actually, we can't move everything after SystemReady because 2930 // IMMS needs to run in the encryption lock screen. So, we just skip changing 2931 // the default IME here and try cheking the default IME again in systemReady(). 2932 // TODO: Do nothing before system ready and implement a separated logic for 2933 // the encryption lock screen. 2934 // TODO: ASEC should be ready before IMMS is instantiated. 2935 if (mSystemReady && !setSubtypeOnly) { 2936 // Set InputMethod here 2937 mSettings.putSelectedInputMethod(imi != null ? imi.getId() : ""); 2938 } 2939 } 2940 2941 private void resetSelectedInputMethodAndSubtypeLocked(String newDefaultIme) { 2942 InputMethodInfo imi = mMethodMap.get(newDefaultIme); 2943 int lastSubtypeId = NOT_A_SUBTYPE_ID; 2944 // newDefaultIme is empty when there is no candidate for the selected IME. 2945 if (imi != null && !TextUtils.isEmpty(newDefaultIme)) { 2946 String subtypeHashCode = mSettings.getLastSubtypeForInputMethodLocked(newDefaultIme); 2947 if (subtypeHashCode != null) { 2948 try { 2949 lastSubtypeId = getSubtypeIdFromHashCode( 2950 imi, Integer.valueOf(subtypeHashCode)); 2951 } catch (NumberFormatException e) { 2952 Slog.w(TAG, "HashCode for subtype looks broken: " + subtypeHashCode, e); 2953 } 2954 } 2955 } 2956 setSelectedInputMethodAndSubtypeLocked(imi, lastSubtypeId, false); 2957 } 2958 2959 private int getSelectedInputMethodSubtypeId(String id) { 2960 InputMethodInfo imi = mMethodMap.get(id); 2961 if (imi == null) { 2962 return NOT_A_SUBTYPE_ID; 2963 } 2964 final int subtypeHashCode = mSettings.getSelectedInputMethodSubtypeHashCode(); 2965 return getSubtypeIdFromHashCode(imi, subtypeHashCode); 2966 } 2967 2968 private static boolean isValidSubtypeId(InputMethodInfo imi, int subtypeHashCode) { 2969 return getSubtypeIdFromHashCode(imi, subtypeHashCode) != NOT_A_SUBTYPE_ID; 2970 } 2971 2972 private static int getSubtypeIdFromHashCode(InputMethodInfo imi, int subtypeHashCode) { 2973 if (imi != null) { 2974 final int subtypeCount = imi.getSubtypeCount(); 2975 for (int i = 0; i < subtypeCount; ++i) { 2976 InputMethodSubtype ims = imi.getSubtypeAt(i); 2977 if (subtypeHashCode == ims.hashCode()) { 2978 return i; 2979 } 2980 } 2981 } 2982 return NOT_A_SUBTYPE_ID; 2983 } 2984 2985 private static ArrayList<InputMethodSubtype> getImplicitlyApplicableSubtypesLocked( 2986 Resources res, InputMethodInfo imi) { 2987 final List<InputMethodSubtype> subtypes = getSubtypes(imi); 2988 final String systemLocale = res.getConfiguration().locale.toString(); 2989 if (TextUtils.isEmpty(systemLocale)) return new ArrayList<InputMethodSubtype>(); 2990 final HashMap<String, InputMethodSubtype> applicableModeAndSubtypesMap = 2991 new HashMap<String, InputMethodSubtype>(); 2992 final int N = subtypes.size(); 2993 for (int i = 0; i < N; ++i) { 2994 // scan overriding implicitly enabled subtypes. 2995 InputMethodSubtype subtype = subtypes.get(i); 2996 if (subtype.overridesImplicitlyEnabledSubtype()) { 2997 final String mode = subtype.getMode(); 2998 if (!applicableModeAndSubtypesMap.containsKey(mode)) { 2999 applicableModeAndSubtypesMap.put(mode, subtype); 3000 } 3001 } 3002 } 3003 if (applicableModeAndSubtypesMap.size() > 0) { 3004 return new ArrayList<InputMethodSubtype>(applicableModeAndSubtypesMap.values()); 3005 } 3006 for (int i = 0; i < N; ++i) { 3007 final InputMethodSubtype subtype = subtypes.get(i); 3008 final String locale = subtype.getLocale(); 3009 final String mode = subtype.getMode(); 3010 // When system locale starts with subtype's locale, that subtype will be applicable 3011 // for system locale 3012 // For instance, it's clearly applicable for cases like system locale = en_US and 3013 // subtype = en, but it is not necessarily considered applicable for cases like system 3014 // locale = en and subtype = en_US. 3015 // We just call systemLocale.startsWith(locale) in this function because there is no 3016 // need to find applicable subtypes aggressively unlike 3017 // findLastResortApplicableSubtypeLocked. 3018 if (systemLocale.startsWith(locale)) { 3019 final InputMethodSubtype applicableSubtype = applicableModeAndSubtypesMap.get(mode); 3020 // If more applicable subtypes are contained, skip. 3021 if (applicableSubtype != null) { 3022 if (systemLocale.equals(applicableSubtype.getLocale())) continue; 3023 if (!systemLocale.equals(locale)) continue; 3024 } 3025 applicableModeAndSubtypesMap.put(mode, subtype); 3026 } 3027 } 3028 final InputMethodSubtype keyboardSubtype 3029 = applicableModeAndSubtypesMap.get(SUBTYPE_MODE_KEYBOARD); 3030 final ArrayList<InputMethodSubtype> applicableSubtypes = new ArrayList<InputMethodSubtype>( 3031 applicableModeAndSubtypesMap.values()); 3032 if (keyboardSubtype != null && !keyboardSubtype.containsExtraValueKey(TAG_ASCII_CAPABLE)) { 3033 for (int i = 0; i < N; ++i) { 3034 final InputMethodSubtype subtype = subtypes.get(i); 3035 final String mode = subtype.getMode(); 3036 if (SUBTYPE_MODE_KEYBOARD.equals(mode) && subtype.containsExtraValueKey( 3037 TAG_ENABLED_WHEN_DEFAULT_IS_NOT_ASCII_CAPABLE)) { 3038 applicableSubtypes.add(subtype); 3039 } 3040 } 3041 } 3042 if (keyboardSubtype == null) { 3043 InputMethodSubtype lastResortKeyboardSubtype = findLastResortApplicableSubtypeLocked( 3044 res, subtypes, SUBTYPE_MODE_KEYBOARD, systemLocale, true); 3045 if (lastResortKeyboardSubtype != null) { 3046 applicableSubtypes.add(lastResortKeyboardSubtype); 3047 } 3048 } 3049 return applicableSubtypes; 3050 } 3051 3052 /** 3053 * If there are no selected subtypes, tries finding the most applicable one according to the 3054 * given locale. 3055 * @param subtypes this function will search the most applicable subtype in subtypes 3056 * @param mode subtypes will be filtered by mode 3057 * @param locale subtypes will be filtered by locale 3058 * @param canIgnoreLocaleAsLastResort if this function can't find the most applicable subtype, 3059 * it will return the first subtype matched with mode 3060 * @return the most applicable subtypeId 3061 */ 3062 private static InputMethodSubtype findLastResortApplicableSubtypeLocked( 3063 Resources res, List<InputMethodSubtype> subtypes, String mode, String locale, 3064 boolean canIgnoreLocaleAsLastResort) { 3065 if (subtypes == null || subtypes.size() == 0) { 3066 return null; 3067 } 3068 if (TextUtils.isEmpty(locale)) { 3069 locale = res.getConfiguration().locale.toString(); 3070 } 3071 final String language = locale.substring(0, 2); 3072 boolean partialMatchFound = false; 3073 InputMethodSubtype applicableSubtype = null; 3074 InputMethodSubtype firstMatchedModeSubtype = null; 3075 final int N = subtypes.size(); 3076 for (int i = 0; i < N; ++i) { 3077 InputMethodSubtype subtype = subtypes.get(i); 3078 final String subtypeLocale = subtype.getLocale(); 3079 // An applicable subtype should match "mode". If mode is null, mode will be ignored, 3080 // and all subtypes with all modes can be candidates. 3081 if (mode == null || subtypes.get(i).getMode().equalsIgnoreCase(mode)) { 3082 if (firstMatchedModeSubtype == null) { 3083 firstMatchedModeSubtype = subtype; 3084 } 3085 if (locale.equals(subtypeLocale)) { 3086 // Exact match (e.g. system locale is "en_US" and subtype locale is "en_US") 3087 applicableSubtype = subtype; 3088 break; 3089 } else if (!partialMatchFound && subtypeLocale.startsWith(language)) { 3090 // Partial match (e.g. system locale is "en_US" and subtype locale is "en") 3091 applicableSubtype = subtype; 3092 partialMatchFound = true; 3093 } 3094 } 3095 } 3096 3097 if (applicableSubtype == null && canIgnoreLocaleAsLastResort) { 3098 return firstMatchedModeSubtype; 3099 } 3100 3101 // The first subtype applicable to the system locale will be defined as the most applicable 3102 // subtype. 3103 if (DEBUG) { 3104 if (applicableSubtype != null) { 3105 Slog.d(TAG, "Applicable InputMethodSubtype was found: " 3106 + applicableSubtype.getMode() + "," + applicableSubtype.getLocale()); 3107 } 3108 } 3109 return applicableSubtype; 3110 } 3111 3112 // If there are no selected shortcuts, tries finding the most applicable ones. 3113 private Pair<InputMethodInfo, InputMethodSubtype> 3114 findLastResortApplicableShortcutInputMethodAndSubtypeLocked(String mode) { 3115 List<InputMethodInfo> imis = mSettings.getEnabledInputMethodListLocked(); 3116 InputMethodInfo mostApplicableIMI = null; 3117 InputMethodSubtype mostApplicableSubtype = null; 3118 boolean foundInSystemIME = false; 3119 3120 // Search applicable subtype for each InputMethodInfo 3121 for (InputMethodInfo imi: imis) { 3122 final String imiId = imi.getId(); 3123 if (foundInSystemIME && !imiId.equals(mCurMethodId)) { 3124 continue; 3125 } 3126 InputMethodSubtype subtype = null; 3127 final List<InputMethodSubtype> enabledSubtypes = 3128 getEnabledInputMethodSubtypeListLocked(imi, true); 3129 // 1. Search by the current subtype's locale from enabledSubtypes. 3130 if (mCurrentSubtype != null) { 3131 subtype = findLastResortApplicableSubtypeLocked( 3132 mRes, enabledSubtypes, mode, mCurrentSubtype.getLocale(), false); 3133 } 3134 // 2. Search by the system locale from enabledSubtypes. 3135 // 3. Search the first enabled subtype matched with mode from enabledSubtypes. 3136 if (subtype == null) { 3137 subtype = findLastResortApplicableSubtypeLocked( 3138 mRes, enabledSubtypes, mode, null, true); 3139 } 3140 final ArrayList<InputMethodSubtype> overridingImplicitlyEnabledSubtypes = 3141 getOverridingImplicitlyEnabledSubtypes(imi, mode); 3142 final ArrayList<InputMethodSubtype> subtypesForSearch = 3143 overridingImplicitlyEnabledSubtypes.isEmpty() 3144 ? getSubtypes(imi) : overridingImplicitlyEnabledSubtypes; 3145 // 4. Search by the current subtype's locale from all subtypes. 3146 if (subtype == null && mCurrentSubtype != null) { 3147 subtype = findLastResortApplicableSubtypeLocked( 3148 mRes, subtypesForSearch, mode, mCurrentSubtype.getLocale(), false); 3149 } 3150 // 5. Search by the system locale from all subtypes. 3151 // 6. Search the first enabled subtype matched with mode from all subtypes. 3152 if (subtype == null) { 3153 subtype = findLastResortApplicableSubtypeLocked( 3154 mRes, subtypesForSearch, mode, null, true); 3155 } 3156 if (subtype != null) { 3157 if (imiId.equals(mCurMethodId)) { 3158 // The current input method is the most applicable IME. 3159 mostApplicableIMI = imi; 3160 mostApplicableSubtype = subtype; 3161 break; 3162 } else if (!foundInSystemIME) { 3163 // The system input method is 2nd applicable IME. 3164 mostApplicableIMI = imi; 3165 mostApplicableSubtype = subtype; 3166 if ((imi.getServiceInfo().applicationInfo.flags 3167 & ApplicationInfo.FLAG_SYSTEM) != 0) { 3168 foundInSystemIME = true; 3169 } 3170 } 3171 } 3172 } 3173 if (DEBUG) { 3174 if (mostApplicableIMI != null) { 3175 Slog.w(TAG, "Most applicable shortcut input method was:" 3176 + mostApplicableIMI.getId()); 3177 if (mostApplicableSubtype != null) { 3178 Slog.w(TAG, "Most applicable shortcut input method subtype was:" 3179 + "," + mostApplicableSubtype.getMode() + "," 3180 + mostApplicableSubtype.getLocale()); 3181 } 3182 } 3183 } 3184 if (mostApplicableIMI != null) { 3185 return new Pair<InputMethodInfo, InputMethodSubtype> (mostApplicableIMI, 3186 mostApplicableSubtype); 3187 } else { 3188 return null; 3189 } 3190 } 3191 3192 /** 3193 * @return Return the current subtype of this input method. 3194 */ 3195 @Override 3196 public InputMethodSubtype getCurrentInputMethodSubtype() { 3197 // TODO: Make this work even for non-current users? 3198 if (!calledFromValidUser()) { 3199 return null; 3200 } 3201 synchronized (mMethodMap) { 3202 return getCurrentInputMethodSubtypeLocked(); 3203 } 3204 } 3205 3206 private InputMethodSubtype getCurrentInputMethodSubtypeLocked() { 3207 if (mCurMethodId == null) { 3208 return null; 3209 } 3210 final boolean subtypeIsSelected = 3211 mSettings.getSelectedInputMethodSubtypeHashCode() != NOT_A_SUBTYPE_ID; 3212 final InputMethodInfo imi = mMethodMap.get(mCurMethodId); 3213 if (imi == null || imi.getSubtypeCount() == 0) { 3214 return null; 3215 } 3216 if (!subtypeIsSelected || mCurrentSubtype == null 3217 || !isValidSubtypeId(imi, mCurrentSubtype.hashCode())) { 3218 int subtypeId = getSelectedInputMethodSubtypeId(mCurMethodId); 3219 if (subtypeId == NOT_A_SUBTYPE_ID) { 3220 // If there are no selected subtypes, the framework will try to find 3221 // the most applicable subtype from explicitly or implicitly enabled 3222 // subtypes. 3223 List<InputMethodSubtype> explicitlyOrImplicitlyEnabledSubtypes = 3224 getEnabledInputMethodSubtypeListLocked(imi, true); 3225 // If there is only one explicitly or implicitly enabled subtype, 3226 // just returns it. 3227 if (explicitlyOrImplicitlyEnabledSubtypes.size() == 1) { 3228 mCurrentSubtype = explicitlyOrImplicitlyEnabledSubtypes.get(0); 3229 } else if (explicitlyOrImplicitlyEnabledSubtypes.size() > 1) { 3230 mCurrentSubtype = findLastResortApplicableSubtypeLocked( 3231 mRes, explicitlyOrImplicitlyEnabledSubtypes, 3232 SUBTYPE_MODE_KEYBOARD, null, true); 3233 if (mCurrentSubtype == null) { 3234 mCurrentSubtype = findLastResortApplicableSubtypeLocked( 3235 mRes, explicitlyOrImplicitlyEnabledSubtypes, null, null, 3236 true); 3237 } 3238 } 3239 } else { 3240 mCurrentSubtype = getSubtypes(imi).get(subtypeId); 3241 } 3242 } 3243 return mCurrentSubtype; 3244 } 3245 3246 private void addShortcutInputMethodAndSubtypes(InputMethodInfo imi, 3247 InputMethodSubtype subtype) { 3248 if (mShortcutInputMethodsAndSubtypes.containsKey(imi)) { 3249 mShortcutInputMethodsAndSubtypes.get(imi).add(subtype); 3250 } else { 3251 ArrayList<InputMethodSubtype> subtypes = new ArrayList<InputMethodSubtype>(); 3252 subtypes.add(subtype); 3253 mShortcutInputMethodsAndSubtypes.put(imi, subtypes); 3254 } 3255 } 3256 3257 // TODO: We should change the return type from List to List<Parcelable> 3258 @SuppressWarnings("rawtypes") 3259 @Override 3260 public List getShortcutInputMethodsAndSubtypes() { 3261 synchronized (mMethodMap) { 3262 ArrayList<Object> ret = new ArrayList<Object>(); 3263 if (mShortcutInputMethodsAndSubtypes.size() == 0) { 3264 // If there are no selected shortcut subtypes, the framework will try to find 3265 // the most applicable subtype from all subtypes whose mode is 3266 // SUBTYPE_MODE_VOICE. This is an exceptional case, so we will hardcode the mode. 3267 Pair<InputMethodInfo, InputMethodSubtype> info = 3268 findLastResortApplicableShortcutInputMethodAndSubtypeLocked( 3269 SUBTYPE_MODE_VOICE); 3270 if (info != null) { 3271 ret.add(info.first); 3272 ret.add(info.second); 3273 } 3274 return ret; 3275 } 3276 for (InputMethodInfo imi: mShortcutInputMethodsAndSubtypes.keySet()) { 3277 ret.add(imi); 3278 for (InputMethodSubtype subtype: mShortcutInputMethodsAndSubtypes.get(imi)) { 3279 ret.add(subtype); 3280 } 3281 } 3282 return ret; 3283 } 3284 } 3285 3286 @Override 3287 public boolean setCurrentInputMethodSubtype(InputMethodSubtype subtype) { 3288 // TODO: Make this work even for non-current users? 3289 if (!calledFromValidUser()) { 3290 return false; 3291 } 3292 synchronized (mMethodMap) { 3293 if (subtype != null && mCurMethodId != null) { 3294 InputMethodInfo imi = mMethodMap.get(mCurMethodId); 3295 int subtypeId = getSubtypeIdFromHashCode(imi, subtype.hashCode()); 3296 if (subtypeId != NOT_A_SUBTYPE_ID) { 3297 setInputMethodLocked(mCurMethodId, subtypeId); 3298 return true; 3299 } 3300 } 3301 return false; 3302 } 3303 } 3304 3305 private static class InputMethodAndSubtypeListManager { 3306 private final Context mContext; 3307 // Used to load label 3308 private final PackageManager mPm; 3309 private final InputMethodManagerService mImms; 3310 private final String mSystemLocaleStr; 3311 public InputMethodAndSubtypeListManager(Context context, InputMethodManagerService imms) { 3312 mContext = context; 3313 mPm = context.getPackageManager(); 3314 mImms = imms; 3315 final Locale locale = context.getResources().getConfiguration().locale; 3316 mSystemLocaleStr = locale != null ? locale.toString() : ""; 3317 } 3318 3319 private final TreeMap<InputMethodInfo, List<InputMethodSubtype>> mSortedImmis = 3320 new TreeMap<InputMethodInfo, List<InputMethodSubtype>>( 3321 new Comparator<InputMethodInfo>() { 3322 @Override 3323 public int compare(InputMethodInfo imi1, InputMethodInfo imi2) { 3324 if (imi2 == null) return 0; 3325 if (imi1 == null) return 1; 3326 if (mPm == null) { 3327 return imi1.getId().compareTo(imi2.getId()); 3328 } 3329 CharSequence imiId1 = imi1.loadLabel(mPm) + "/" + imi1.getId(); 3330 CharSequence imiId2 = imi2.loadLabel(mPm) + "/" + imi2.getId(); 3331 return imiId1.toString().compareTo(imiId2.toString()); 3332 } 3333 }); 3334 3335 public ImeSubtypeListItem getNextInputMethod( 3336 boolean onlyCurrentIme, InputMethodInfo imi, InputMethodSubtype subtype) { 3337 if (imi == null) { 3338 return null; 3339 } 3340 final List<ImeSubtypeListItem> imList = getSortedInputMethodAndSubtypeList(); 3341 if (imList.size() <= 1) { 3342 return null; 3343 } 3344 final int N = imList.size(); 3345 final int currentSubtypeId = subtype != null 3346 ? getSubtypeIdFromHashCode(imi, subtype.hashCode()) 3347 : NOT_A_SUBTYPE_ID; 3348 for (int i = 0; i < N; ++i) { 3349 final ImeSubtypeListItem isli = imList.get(i); 3350 if (isli.mImi.equals(imi) && isli.mSubtypeId == currentSubtypeId) { 3351 if (!onlyCurrentIme) { 3352 return imList.get((i + 1) % N); 3353 } 3354 for (int j = 0; j < N - 1; ++j) { 3355 final ImeSubtypeListItem candidate = imList.get((i + j + 1) % N); 3356 if (candidate.mImi.equals(imi)) { 3357 return candidate; 3358 } 3359 } 3360 return null; 3361 } 3362 } 3363 return null; 3364 } 3365 3366 public List<ImeSubtypeListItem> getSortedInputMethodAndSubtypeList() { 3367 return getSortedInputMethodAndSubtypeList(true, false, false); 3368 } 3369 3370 public List<ImeSubtypeListItem> getSortedInputMethodAndSubtypeList(boolean showSubtypes, 3371 boolean inputShown, boolean isScreenLocked) { 3372 final ArrayList<ImeSubtypeListItem> imList = new ArrayList<ImeSubtypeListItem>(); 3373 final HashMap<InputMethodInfo, List<InputMethodSubtype>> immis = 3374 mImms.getExplicitlyOrImplicitlyEnabledInputMethodsAndSubtypeListLocked(); 3375 if (immis == null || immis.size() == 0) { 3376 return Collections.emptyList(); 3377 } 3378 mSortedImmis.clear(); 3379 mSortedImmis.putAll(immis); 3380 for (InputMethodInfo imi : mSortedImmis.keySet()) { 3381 if (imi == null) continue; 3382 List<InputMethodSubtype> explicitlyOrImplicitlyEnabledSubtypeList = immis.get(imi); 3383 HashSet<String> enabledSubtypeSet = new HashSet<String>(); 3384 for (InputMethodSubtype subtype: explicitlyOrImplicitlyEnabledSubtypeList) { 3385 enabledSubtypeSet.add(String.valueOf(subtype.hashCode())); 3386 } 3387 ArrayList<InputMethodSubtype> subtypes = getSubtypes(imi); 3388 final CharSequence imeLabel = imi.loadLabel(mPm); 3389 if (showSubtypes && enabledSubtypeSet.size() > 0) { 3390 final int subtypeCount = imi.getSubtypeCount(); 3391 if (DEBUG) { 3392 Slog.v(TAG, "Add subtypes: " + subtypeCount + ", " + imi.getId()); 3393 } 3394 for (int j = 0; j < subtypeCount; ++j) { 3395 final InputMethodSubtype subtype = imi.getSubtypeAt(j); 3396 final String subtypeHashCode = String.valueOf(subtype.hashCode()); 3397 // We show all enabled IMEs and subtypes when an IME is shown. 3398 if (enabledSubtypeSet.contains(subtypeHashCode) 3399 && ((inputShown && !isScreenLocked) || !subtype.isAuxiliary())) { 3400 final CharSequence subtypeLabel = 3401 subtype.overridesImplicitlyEnabledSubtype() ? null 3402 : subtype.getDisplayName(mContext, imi.getPackageName(), 3403 imi.getServiceInfo().applicationInfo); 3404 imList.add(new ImeSubtypeListItem(imeLabel, subtypeLabel, imi, j, 3405 subtype.getLocale(), mSystemLocaleStr)); 3406 3407 // Removing this subtype from enabledSubtypeSet because we no longer 3408 // need to add an entry of this subtype to imList to avoid duplicated 3409 // entries. 3410 enabledSubtypeSet.remove(subtypeHashCode); 3411 } 3412 } 3413 } else { 3414 imList.add(new ImeSubtypeListItem(imeLabel, null, imi, NOT_A_SUBTYPE_ID, 3415 null, mSystemLocaleStr)); 3416 } 3417 } 3418 Collections.sort(imList); 3419 return imList; 3420 } 3421 } 3422 3423 /** 3424 * Utility class for putting and getting settings for InputMethod 3425 * TODO: Move all putters and getters of settings to this class. 3426 */ 3427 private static class InputMethodSettings { 3428 // The string for enabled input method is saved as follows: 3429 // example: ("ime0;subtype0;subtype1;subtype2:ime1:ime2;subtype0") 3430 private static final char INPUT_METHOD_SEPARATER = ':'; 3431 private static final char INPUT_METHOD_SUBTYPE_SEPARATER = ';'; 3432 private final TextUtils.SimpleStringSplitter mInputMethodSplitter = 3433 new TextUtils.SimpleStringSplitter(INPUT_METHOD_SEPARATER); 3434 3435 private final TextUtils.SimpleStringSplitter mSubtypeSplitter = 3436 new TextUtils.SimpleStringSplitter(INPUT_METHOD_SUBTYPE_SEPARATER); 3437 3438 private final Resources mRes; 3439 private final ContentResolver mResolver; 3440 private final HashMap<String, InputMethodInfo> mMethodMap; 3441 private final ArrayList<InputMethodInfo> mMethodList; 3442 3443 private String mEnabledInputMethodsStrCache; 3444 private int mCurrentUserId; 3445 3446 private static void buildEnabledInputMethodsSettingString( 3447 StringBuilder builder, Pair<String, ArrayList<String>> pair) { 3448 String id = pair.first; 3449 ArrayList<String> subtypes = pair.second; 3450 builder.append(id); 3451 // Inputmethod and subtypes are saved in the settings as follows: 3452 // ime0;subtype0;subtype1:ime1;subtype0:ime2:ime3;subtype0;subtype1 3453 for (String subtypeId: subtypes) { 3454 builder.append(INPUT_METHOD_SUBTYPE_SEPARATER).append(subtypeId); 3455 } 3456 } 3457 3458 public InputMethodSettings( 3459 Resources res, ContentResolver resolver, 3460 HashMap<String, InputMethodInfo> methodMap, ArrayList<InputMethodInfo> methodList, 3461 int userId) { 3462 setCurrentUserId(userId); 3463 mRes = res; 3464 mResolver = resolver; 3465 mMethodMap = methodMap; 3466 mMethodList = methodList; 3467 } 3468 3469 public void setCurrentUserId(int userId) { 3470 if (DEBUG) { 3471 Slog.d(TAG, "--- Swtich the current user from " + mCurrentUserId + " to " 3472 + userId + ", new ime = " + getSelectedInputMethod()); 3473 } 3474 // IMMS settings are kept per user, so keep track of current user 3475 mCurrentUserId = userId; 3476 } 3477 3478 public List<InputMethodInfo> getEnabledInputMethodListLocked() { 3479 return createEnabledInputMethodListLocked( 3480 getEnabledInputMethodsAndSubtypeListLocked()); 3481 } 3482 3483 public List<Pair<InputMethodInfo, ArrayList<String>>> 3484 getEnabledInputMethodAndSubtypeHashCodeListLocked() { 3485 return createEnabledInputMethodAndSubtypeHashCodeListLocked( 3486 getEnabledInputMethodsAndSubtypeListLocked()); 3487 } 3488 3489 public List<InputMethodSubtype> getEnabledInputMethodSubtypeListLocked( 3490 InputMethodInfo imi) { 3491 List<Pair<String, ArrayList<String>>> imsList = 3492 getEnabledInputMethodsAndSubtypeListLocked(); 3493 ArrayList<InputMethodSubtype> enabledSubtypes = 3494 new ArrayList<InputMethodSubtype>(); 3495 if (imi != null) { 3496 for (Pair<String, ArrayList<String>> imsPair : imsList) { 3497 InputMethodInfo info = mMethodMap.get(imsPair.first); 3498 if (info != null && info.getId().equals(imi.getId())) { 3499 final int subtypeCount = info.getSubtypeCount(); 3500 for (int i = 0; i < subtypeCount; ++i) { 3501 InputMethodSubtype ims = info.getSubtypeAt(i); 3502 for (String s: imsPair.second) { 3503 if (String.valueOf(ims.hashCode()).equals(s)) { 3504 enabledSubtypes.add(ims); 3505 } 3506 } 3507 } 3508 break; 3509 } 3510 } 3511 } 3512 return enabledSubtypes; 3513 } 3514 3515 // At the initial boot, the settings for input methods are not set, 3516 // so we need to enable IME in that case. 3517 public void enableAllIMEsIfThereIsNoEnabledIME() { 3518 if (TextUtils.isEmpty(getEnabledInputMethodsStr())) { 3519 StringBuilder sb = new StringBuilder(); 3520 final int N = mMethodList.size(); 3521 for (int i = 0; i < N; i++) { 3522 InputMethodInfo imi = mMethodList.get(i); 3523 Slog.i(TAG, "Adding: " + imi.getId()); 3524 if (i > 0) sb.append(':'); 3525 sb.append(imi.getId()); 3526 } 3527 putEnabledInputMethodsStr(sb.toString()); 3528 } 3529 } 3530 3531 private List<Pair<String, ArrayList<String>>> getEnabledInputMethodsAndSubtypeListLocked() { 3532 ArrayList<Pair<String, ArrayList<String>>> imsList 3533 = new ArrayList<Pair<String, ArrayList<String>>>(); 3534 final String enabledInputMethodsStr = getEnabledInputMethodsStr(); 3535 if (TextUtils.isEmpty(enabledInputMethodsStr)) { 3536 return imsList; 3537 } 3538 mInputMethodSplitter.setString(enabledInputMethodsStr); 3539 while (mInputMethodSplitter.hasNext()) { 3540 String nextImsStr = mInputMethodSplitter.next(); 3541 mSubtypeSplitter.setString(nextImsStr); 3542 if (mSubtypeSplitter.hasNext()) { 3543 ArrayList<String> subtypeHashes = new ArrayList<String>(); 3544 // The first element is ime id. 3545 String imeId = mSubtypeSplitter.next(); 3546 while (mSubtypeSplitter.hasNext()) { 3547 subtypeHashes.add(mSubtypeSplitter.next()); 3548 } 3549 imsList.add(new Pair<String, ArrayList<String>>(imeId, subtypeHashes)); 3550 } 3551 } 3552 return imsList; 3553 } 3554 3555 public void appendAndPutEnabledInputMethodLocked(String id, boolean reloadInputMethodStr) { 3556 if (reloadInputMethodStr) { 3557 getEnabledInputMethodsStr(); 3558 } 3559 if (TextUtils.isEmpty(mEnabledInputMethodsStrCache)) { 3560 // Add in the newly enabled input method. 3561 putEnabledInputMethodsStr(id); 3562 } else { 3563 putEnabledInputMethodsStr( 3564 mEnabledInputMethodsStrCache + INPUT_METHOD_SEPARATER + id); 3565 } 3566 } 3567 3568 /** 3569 * Build and put a string of EnabledInputMethods with removing specified Id. 3570 * @return the specified id was removed or not. 3571 */ 3572 public boolean buildAndPutEnabledInputMethodsStrRemovingIdLocked( 3573 StringBuilder builder, List<Pair<String, ArrayList<String>>> imsList, String id) { 3574 boolean isRemoved = false; 3575 boolean needsAppendSeparator = false; 3576 for (Pair<String, ArrayList<String>> ims: imsList) { 3577 String curId = ims.first; 3578 if (curId.equals(id)) { 3579 // We are disabling this input method, and it is 3580 // currently enabled. Skip it to remove from the 3581 // new list. 3582 isRemoved = true; 3583 } else { 3584 if (needsAppendSeparator) { 3585 builder.append(INPUT_METHOD_SEPARATER); 3586 } else { 3587 needsAppendSeparator = true; 3588 } 3589 buildEnabledInputMethodsSettingString(builder, ims); 3590 } 3591 } 3592 if (isRemoved) { 3593 // Update the setting with the new list of input methods. 3594 putEnabledInputMethodsStr(builder.toString()); 3595 } 3596 return isRemoved; 3597 } 3598 3599 private List<InputMethodInfo> createEnabledInputMethodListLocked( 3600 List<Pair<String, ArrayList<String>>> imsList) { 3601 final ArrayList<InputMethodInfo> res = new ArrayList<InputMethodInfo>(); 3602 for (Pair<String, ArrayList<String>> ims: imsList) { 3603 InputMethodInfo info = mMethodMap.get(ims.first); 3604 if (info != null) { 3605 res.add(info); 3606 } 3607 } 3608 return res; 3609 } 3610 3611 private List<Pair<InputMethodInfo, ArrayList<String>>> 3612 createEnabledInputMethodAndSubtypeHashCodeListLocked( 3613 List<Pair<String, ArrayList<String>>> imsList) { 3614 final ArrayList<Pair<InputMethodInfo, ArrayList<String>>> res 3615 = new ArrayList<Pair<InputMethodInfo, ArrayList<String>>>(); 3616 for (Pair<String, ArrayList<String>> ims : imsList) { 3617 InputMethodInfo info = mMethodMap.get(ims.first); 3618 if (info != null) { 3619 res.add(new Pair<InputMethodInfo, ArrayList<String>>(info, ims.second)); 3620 } 3621 } 3622 return res; 3623 } 3624 3625 private void putEnabledInputMethodsStr(String str) { 3626 Settings.Secure.putStringForUser( 3627 mResolver, Settings.Secure.ENABLED_INPUT_METHODS, str, mCurrentUserId); 3628 mEnabledInputMethodsStrCache = str; 3629 if (DEBUG) { 3630 Slog.d(TAG, "putEnabledInputMethodStr: " + str); 3631 } 3632 } 3633 3634 private String getEnabledInputMethodsStr() { 3635 mEnabledInputMethodsStrCache = Settings.Secure.getStringForUser( 3636 mResolver, Settings.Secure.ENABLED_INPUT_METHODS, mCurrentUserId); 3637 if (DEBUG) { 3638 Slog.d(TAG, "getEnabledInputMethodsStr: " + mEnabledInputMethodsStrCache 3639 + ", " + mCurrentUserId); 3640 } 3641 return mEnabledInputMethodsStrCache; 3642 } 3643 3644 private void saveSubtypeHistory( 3645 List<Pair<String, String>> savedImes, String newImeId, String newSubtypeId) { 3646 StringBuilder builder = new StringBuilder(); 3647 boolean isImeAdded = false; 3648 if (!TextUtils.isEmpty(newImeId) && !TextUtils.isEmpty(newSubtypeId)) { 3649 builder.append(newImeId).append(INPUT_METHOD_SUBTYPE_SEPARATER).append( 3650 newSubtypeId); 3651 isImeAdded = true; 3652 } 3653 for (Pair<String, String> ime: savedImes) { 3654 String imeId = ime.first; 3655 String subtypeId = ime.second; 3656 if (TextUtils.isEmpty(subtypeId)) { 3657 subtypeId = NOT_A_SUBTYPE_ID_STR; 3658 } 3659 if (isImeAdded) { 3660 builder.append(INPUT_METHOD_SEPARATER); 3661 } else { 3662 isImeAdded = true; 3663 } 3664 builder.append(imeId).append(INPUT_METHOD_SUBTYPE_SEPARATER).append( 3665 subtypeId); 3666 } 3667 // Remove the last INPUT_METHOD_SEPARATER 3668 putSubtypeHistoryStr(builder.toString()); 3669 } 3670 3671 public void addSubtypeToHistory(String imeId, String subtypeId) { 3672 List<Pair<String, String>> subtypeHistory = loadInputMethodAndSubtypeHistoryLocked(); 3673 for (Pair<String, String> ime: subtypeHistory) { 3674 if (ime.first.equals(imeId)) { 3675 if (DEBUG) { 3676 Slog.v(TAG, "Subtype found in the history: " + imeId + ", " 3677 + ime.second); 3678 } 3679 // We should break here 3680 subtypeHistory.remove(ime); 3681 break; 3682 } 3683 } 3684 if (DEBUG) { 3685 Slog.v(TAG, "Add subtype to the history: " + imeId + ", " + subtypeId); 3686 } 3687 saveSubtypeHistory(subtypeHistory, imeId, subtypeId); 3688 } 3689 3690 private void putSubtypeHistoryStr(String str) { 3691 if (DEBUG) { 3692 Slog.d(TAG, "putSubtypeHistoryStr: " + str); 3693 } 3694 Settings.Secure.putStringForUser( 3695 mResolver, Settings.Secure.INPUT_METHODS_SUBTYPE_HISTORY, str, mCurrentUserId); 3696 } 3697 3698 public Pair<String, String> getLastInputMethodAndSubtypeLocked() { 3699 // Gets the first one from the history 3700 return getLastSubtypeForInputMethodLockedInternal(null); 3701 } 3702 3703 public String getLastSubtypeForInputMethodLocked(String imeId) { 3704 Pair<String, String> ime = getLastSubtypeForInputMethodLockedInternal(imeId); 3705 if (ime != null) { 3706 return ime.second; 3707 } else { 3708 return null; 3709 } 3710 } 3711 3712 private Pair<String, String> getLastSubtypeForInputMethodLockedInternal(String imeId) { 3713 List<Pair<String, ArrayList<String>>> enabledImes = 3714 getEnabledInputMethodsAndSubtypeListLocked(); 3715 List<Pair<String, String>> subtypeHistory = loadInputMethodAndSubtypeHistoryLocked(); 3716 for (Pair<String, String> imeAndSubtype : subtypeHistory) { 3717 final String imeInTheHistory = imeAndSubtype.first; 3718 // If imeId is empty, returns the first IME and subtype in the history 3719 if (TextUtils.isEmpty(imeId) || imeInTheHistory.equals(imeId)) { 3720 final String subtypeInTheHistory = imeAndSubtype.second; 3721 final String subtypeHashCode = 3722 getEnabledSubtypeHashCodeForInputMethodAndSubtypeLocked( 3723 enabledImes, imeInTheHistory, subtypeInTheHistory); 3724 if (!TextUtils.isEmpty(subtypeHashCode)) { 3725 if (DEBUG) { 3726 Slog.d(TAG, "Enabled subtype found in the history: " + subtypeHashCode); 3727 } 3728 return new Pair<String, String>(imeInTheHistory, subtypeHashCode); 3729 } 3730 } 3731 } 3732 if (DEBUG) { 3733 Slog.d(TAG, "No enabled IME found in the history"); 3734 } 3735 return null; 3736 } 3737 3738 private String getEnabledSubtypeHashCodeForInputMethodAndSubtypeLocked(List<Pair<String, 3739 ArrayList<String>>> enabledImes, String imeId, String subtypeHashCode) { 3740 for (Pair<String, ArrayList<String>> enabledIme: enabledImes) { 3741 if (enabledIme.first.equals(imeId)) { 3742 final ArrayList<String> explicitlyEnabledSubtypes = enabledIme.second; 3743 final InputMethodInfo imi = mMethodMap.get(imeId); 3744 if (explicitlyEnabledSubtypes.size() == 0) { 3745 // If there are no explicitly enabled subtypes, applicable subtypes are 3746 // enabled implicitly. 3747 // If IME is enabled and no subtypes are enabled, applicable subtypes 3748 // are enabled implicitly, so needs to treat them to be enabled. 3749 if (imi != null && imi.getSubtypeCount() > 0) { 3750 List<InputMethodSubtype> implicitlySelectedSubtypes = 3751 getImplicitlyApplicableSubtypesLocked(mRes, imi); 3752 if (implicitlySelectedSubtypes != null) { 3753 final int N = implicitlySelectedSubtypes.size(); 3754 for (int i = 0; i < N; ++i) { 3755 final InputMethodSubtype st = implicitlySelectedSubtypes.get(i); 3756 if (String.valueOf(st.hashCode()).equals(subtypeHashCode)) { 3757 return subtypeHashCode; 3758 } 3759 } 3760 } 3761 } 3762 } else { 3763 for (String s: explicitlyEnabledSubtypes) { 3764 if (s.equals(subtypeHashCode)) { 3765 // If both imeId and subtypeId are enabled, return subtypeId. 3766 try { 3767 final int hashCode = Integer.valueOf(subtypeHashCode); 3768 // Check whether the subtype id is valid or not 3769 if (isValidSubtypeId(imi, hashCode)) { 3770 return s; 3771 } else { 3772 return NOT_A_SUBTYPE_ID_STR; 3773 } 3774 } catch (NumberFormatException e) { 3775 return NOT_A_SUBTYPE_ID_STR; 3776 } 3777 } 3778 } 3779 } 3780 // If imeId was enabled but subtypeId was disabled. 3781 return NOT_A_SUBTYPE_ID_STR; 3782 } 3783 } 3784 // If both imeId and subtypeId are disabled, return null 3785 return null; 3786 } 3787 3788 private List<Pair<String, String>> loadInputMethodAndSubtypeHistoryLocked() { 3789 ArrayList<Pair<String, String>> imsList = new ArrayList<Pair<String, String>>(); 3790 final String subtypeHistoryStr = getSubtypeHistoryStr(); 3791 if (TextUtils.isEmpty(subtypeHistoryStr)) { 3792 return imsList; 3793 } 3794 mInputMethodSplitter.setString(subtypeHistoryStr); 3795 while (mInputMethodSplitter.hasNext()) { 3796 String nextImsStr = mInputMethodSplitter.next(); 3797 mSubtypeSplitter.setString(nextImsStr); 3798 if (mSubtypeSplitter.hasNext()) { 3799 String subtypeId = NOT_A_SUBTYPE_ID_STR; 3800 // The first element is ime id. 3801 String imeId = mSubtypeSplitter.next(); 3802 while (mSubtypeSplitter.hasNext()) { 3803 subtypeId = mSubtypeSplitter.next(); 3804 break; 3805 } 3806 imsList.add(new Pair<String, String>(imeId, subtypeId)); 3807 } 3808 } 3809 return imsList; 3810 } 3811 3812 private String getSubtypeHistoryStr() { 3813 if (DEBUG) { 3814 Slog.d(TAG, "getSubtypeHistoryStr: " + Settings.Secure.getStringForUser( 3815 mResolver, Settings.Secure.INPUT_METHODS_SUBTYPE_HISTORY, mCurrentUserId)); 3816 } 3817 return Settings.Secure.getStringForUser( 3818 mResolver, Settings.Secure.INPUT_METHODS_SUBTYPE_HISTORY, mCurrentUserId); 3819 } 3820 3821 public void putSelectedInputMethod(String imeId) { 3822 if (DEBUG) { 3823 Slog.d(TAG, "putSelectedInputMethodStr: " + imeId + ", " 3824 + mCurrentUserId); 3825 } 3826 Settings.Secure.putStringForUser( 3827 mResolver, Settings.Secure.DEFAULT_INPUT_METHOD, imeId, mCurrentUserId); 3828 } 3829 3830 public void putSelectedSubtype(int subtypeId) { 3831 if (DEBUG) { 3832 Slog.d(TAG, "putSelectedInputMethodSubtypeStr: " + subtypeId + ", " 3833 + mCurrentUserId); 3834 } 3835 Settings.Secure.putIntForUser(mResolver, Settings.Secure.SELECTED_INPUT_METHOD_SUBTYPE, 3836 subtypeId, mCurrentUserId); 3837 } 3838 3839 public String getDisabledSystemInputMethods() { 3840 return Settings.Secure.getStringForUser( 3841 mResolver, Settings.Secure.DISABLED_SYSTEM_INPUT_METHODS, mCurrentUserId); 3842 } 3843 3844 public String getSelectedInputMethod() { 3845 if (DEBUG) { 3846 Slog.d(TAG, "getSelectedInputMethodStr: " + Settings.Secure.getStringForUser( 3847 mResolver, Settings.Secure.DEFAULT_INPUT_METHOD, mCurrentUserId) 3848 + ", " + mCurrentUserId); 3849 } 3850 return Settings.Secure.getStringForUser( 3851 mResolver, Settings.Secure.DEFAULT_INPUT_METHOD, mCurrentUserId); 3852 } 3853 3854 public int getSelectedInputMethodSubtypeHashCode() { 3855 try { 3856 return Settings.Secure.getIntForUser( 3857 mResolver, Settings.Secure.SELECTED_INPUT_METHOD_SUBTYPE, mCurrentUserId); 3858 } catch (SettingNotFoundException e) { 3859 return NOT_A_SUBTYPE_ID; 3860 } 3861 } 3862 3863 public int getCurrentUserId() { 3864 return mCurrentUserId; 3865 } 3866 } 3867 3868 // TODO: Cache the state for each user and reset when the cached user is removed. 3869 private static class InputMethodFileManager { 3870 private static final String SYSTEM_PATH = "system"; 3871 private static final String INPUT_METHOD_PATH = "inputmethod"; 3872 private static final String ADDITIONAL_SUBTYPES_FILE_NAME = "subtypes.xml"; 3873 private static final String NODE_SUBTYPES = "subtypes"; 3874 private static final String NODE_SUBTYPE = "subtype"; 3875 private static final String NODE_IMI = "imi"; 3876 private static final String ATTR_ID = "id"; 3877 private static final String ATTR_LABEL = "label"; 3878 private static final String ATTR_ICON = "icon"; 3879 private static final String ATTR_IME_SUBTYPE_LOCALE = "imeSubtypeLocale"; 3880 private static final String ATTR_IME_SUBTYPE_MODE = "imeSubtypeMode"; 3881 private static final String ATTR_IME_SUBTYPE_EXTRA_VALUE = "imeSubtypeExtraValue"; 3882 private static final String ATTR_IS_AUXILIARY = "isAuxiliary"; 3883 private final AtomicFile mAdditionalInputMethodSubtypeFile; 3884 private final HashMap<String, InputMethodInfo> mMethodMap; 3885 private final HashMap<String, List<InputMethodSubtype>> mAdditionalSubtypesMap = 3886 new HashMap<String, List<InputMethodSubtype>>(); 3887 public InputMethodFileManager(HashMap<String, InputMethodInfo> methodMap, int userId) { 3888 if (methodMap == null) { 3889 throw new NullPointerException("methodMap is null"); 3890 } 3891 mMethodMap = methodMap; 3892 final File systemDir = userId == UserHandle.USER_OWNER 3893 ? new File(Environment.getDataDirectory(), SYSTEM_PATH) 3894 : Environment.getUserSystemDirectory(userId); 3895 final File inputMethodDir = new File(systemDir, INPUT_METHOD_PATH); 3896 if (!inputMethodDir.mkdirs()) { 3897 Slog.w(TAG, "Couldn't create dir.: " + inputMethodDir.getAbsolutePath()); 3898 } 3899 final File subtypeFile = new File(inputMethodDir, ADDITIONAL_SUBTYPES_FILE_NAME); 3900 mAdditionalInputMethodSubtypeFile = new AtomicFile(subtypeFile); 3901 if (!subtypeFile.exists()) { 3902 // If "subtypes.xml" doesn't exist, create a blank file. 3903 writeAdditionalInputMethodSubtypes( 3904 mAdditionalSubtypesMap, mAdditionalInputMethodSubtypeFile, methodMap); 3905 } else { 3906 readAdditionalInputMethodSubtypes( 3907 mAdditionalSubtypesMap, mAdditionalInputMethodSubtypeFile); 3908 } 3909 } 3910 3911 private void deleteAllInputMethodSubtypes(String imiId) { 3912 synchronized (mMethodMap) { 3913 mAdditionalSubtypesMap.remove(imiId); 3914 writeAdditionalInputMethodSubtypes( 3915 mAdditionalSubtypesMap, mAdditionalInputMethodSubtypeFile, mMethodMap); 3916 } 3917 } 3918 3919 public void addInputMethodSubtypes( 3920 InputMethodInfo imi, InputMethodSubtype[] additionalSubtypes) { 3921 synchronized (mMethodMap) { 3922 final ArrayList<InputMethodSubtype> subtypes = new ArrayList<InputMethodSubtype>(); 3923 final int N = additionalSubtypes.length; 3924 for (int i = 0; i < N; ++i) { 3925 final InputMethodSubtype subtype = additionalSubtypes[i]; 3926 if (!subtypes.contains(subtype)) { 3927 subtypes.add(subtype); 3928 } else { 3929 Slog.w(TAG, "Duplicated subtype definition found: " 3930 + subtype.getLocale() + ", " + subtype.getMode()); 3931 } 3932 } 3933 mAdditionalSubtypesMap.put(imi.getId(), subtypes); 3934 writeAdditionalInputMethodSubtypes( 3935 mAdditionalSubtypesMap, mAdditionalInputMethodSubtypeFile, mMethodMap); 3936 } 3937 } 3938 3939 public HashMap<String, List<InputMethodSubtype>> getAllAdditionalInputMethodSubtypes() { 3940 synchronized (mMethodMap) { 3941 return mAdditionalSubtypesMap; 3942 } 3943 } 3944 3945 private static void writeAdditionalInputMethodSubtypes( 3946 HashMap<String, List<InputMethodSubtype>> allSubtypes, AtomicFile subtypesFile, 3947 HashMap<String, InputMethodInfo> methodMap) { 3948 // Safety net for the case that this function is called before methodMap is set. 3949 final boolean isSetMethodMap = methodMap != null && methodMap.size() > 0; 3950 FileOutputStream fos = null; 3951 try { 3952 fos = subtypesFile.startWrite(); 3953 final XmlSerializer out = new FastXmlSerializer(); 3954 out.setOutput(fos, "utf-8"); 3955 out.startDocument(null, true); 3956 out.setFeature("http://xmlpull.org/v1/doc/features.html#indent-output", true); 3957 out.startTag(null, NODE_SUBTYPES); 3958 for (String imiId : allSubtypes.keySet()) { 3959 if (isSetMethodMap && !methodMap.containsKey(imiId)) { 3960 Slog.w(TAG, "IME uninstalled or not valid.: " + imiId); 3961 continue; 3962 } 3963 out.startTag(null, NODE_IMI); 3964 out.attribute(null, ATTR_ID, imiId); 3965 final List<InputMethodSubtype> subtypesList = allSubtypes.get(imiId); 3966 final int N = subtypesList.size(); 3967 for (int i = 0; i < N; ++i) { 3968 final InputMethodSubtype subtype = subtypesList.get(i); 3969 out.startTag(null, NODE_SUBTYPE); 3970 out.attribute(null, ATTR_ICON, String.valueOf(subtype.getIconResId())); 3971 out.attribute(null, ATTR_LABEL, String.valueOf(subtype.getNameResId())); 3972 out.attribute(null, ATTR_IME_SUBTYPE_LOCALE, subtype.getLocale()); 3973 out.attribute(null, ATTR_IME_SUBTYPE_MODE, subtype.getMode()); 3974 out.attribute(null, ATTR_IME_SUBTYPE_EXTRA_VALUE, subtype.getExtraValue()); 3975 out.attribute(null, ATTR_IS_AUXILIARY, 3976 String.valueOf(subtype.isAuxiliary() ? 1 : 0)); 3977 out.endTag(null, NODE_SUBTYPE); 3978 } 3979 out.endTag(null, NODE_IMI); 3980 } 3981 out.endTag(null, NODE_SUBTYPES); 3982 out.endDocument(); 3983 subtypesFile.finishWrite(fos); 3984 } catch (java.io.IOException e) { 3985 Slog.w(TAG, "Error writing subtypes", e); 3986 if (fos != null) { 3987 subtypesFile.failWrite(fos); 3988 } 3989 } 3990 } 3991 3992 private static void readAdditionalInputMethodSubtypes( 3993 HashMap<String, List<InputMethodSubtype>> allSubtypes, AtomicFile subtypesFile) { 3994 if (allSubtypes == null || subtypesFile == null) return; 3995 allSubtypes.clear(); 3996 FileInputStream fis = null; 3997 try { 3998 fis = subtypesFile.openRead(); 3999 final XmlPullParser parser = Xml.newPullParser(); 4000 parser.setInput(fis, null); 4001 int type = parser.getEventType(); 4002 // Skip parsing until START_TAG 4003 while ((type = parser.next()) != XmlPullParser.START_TAG 4004 && type != XmlPullParser.END_DOCUMENT) {} 4005 String firstNodeName = parser.getName(); 4006 if (!NODE_SUBTYPES.equals(firstNodeName)) { 4007 throw new XmlPullParserException("Xml doesn't start with subtypes"); 4008 } 4009 final int depth =parser.getDepth(); 4010 String currentImiId = null; 4011 ArrayList<InputMethodSubtype> tempSubtypesArray = null; 4012 while (((type = parser.next()) != XmlPullParser.END_TAG 4013 || parser.getDepth() > depth) && type != XmlPullParser.END_DOCUMENT) { 4014 if (type != XmlPullParser.START_TAG) 4015 continue; 4016 final String nodeName = parser.getName(); 4017 if (NODE_IMI.equals(nodeName)) { 4018 currentImiId = parser.getAttributeValue(null, ATTR_ID); 4019 if (TextUtils.isEmpty(currentImiId)) { 4020 Slog.w(TAG, "Invalid imi id found in subtypes.xml"); 4021 continue; 4022 } 4023 tempSubtypesArray = new ArrayList<InputMethodSubtype>(); 4024 allSubtypes.put(currentImiId, tempSubtypesArray); 4025 } else if (NODE_SUBTYPE.equals(nodeName)) { 4026 if (TextUtils.isEmpty(currentImiId) || tempSubtypesArray == null) { 4027 Slog.w(TAG, "IME uninstalled or not valid.: " + currentImiId); 4028 continue; 4029 } 4030 final int icon = Integer.valueOf( 4031 parser.getAttributeValue(null, ATTR_ICON)); 4032 final int label = Integer.valueOf( 4033 parser.getAttributeValue(null, ATTR_LABEL)); 4034 final String imeSubtypeLocale = 4035 parser.getAttributeValue(null, ATTR_IME_SUBTYPE_LOCALE); 4036 final String imeSubtypeMode = 4037 parser.getAttributeValue(null, ATTR_IME_SUBTYPE_MODE); 4038 final String imeSubtypeExtraValue = 4039 parser.getAttributeValue(null, ATTR_IME_SUBTYPE_EXTRA_VALUE); 4040 final boolean isAuxiliary = "1".equals(String.valueOf( 4041 parser.getAttributeValue(null, ATTR_IS_AUXILIARY))); 4042 final InputMethodSubtype subtype = 4043 new InputMethodSubtype(label, icon, imeSubtypeLocale, 4044 imeSubtypeMode, imeSubtypeExtraValue, isAuxiliary); 4045 tempSubtypesArray.add(subtype); 4046 } 4047 } 4048 } catch (XmlPullParserException e) { 4049 Slog.w(TAG, "Error reading subtypes: " + e); 4050 return; 4051 } catch (java.io.IOException e) { 4052 Slog.w(TAG, "Error reading subtypes: " + e); 4053 return; 4054 } catch (NumberFormatException e) { 4055 Slog.w(TAG, "Error reading subtypes: " + e); 4056 return; 4057 } finally { 4058 if (fis != null) { 4059 try { 4060 fis.close(); 4061 } catch (java.io.IOException e1) { 4062 Slog.w(TAG, "Failed to close."); 4063 } 4064 } 4065 } 4066 } 4067 } 4068 4069 // ---------------------------------------------------------------------- 4070 // Utilities for debug 4071 private static String getStackTrace() { 4072 final StringBuilder sb = new StringBuilder(); 4073 try { 4074 throw new RuntimeException(); 4075 } catch (RuntimeException e) { 4076 final StackTraceElement[] frames = e.getStackTrace(); 4077 // Start at 1 because the first frame is here and we don't care about it 4078 for (int j = 1; j < frames.length; ++j) { 4079 sb.append(frames[j].toString() + "\n"); 4080 } 4081 } 4082 return sb.toString(); 4083 } 4084 4085 @Override 4086 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 4087 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 4088 != PackageManager.PERMISSION_GRANTED) { 4089 4090 pw.println("Permission Denial: can't dump InputMethodManager from from pid=" 4091 + Binder.getCallingPid() 4092 + ", uid=" + Binder.getCallingUid()); 4093 return; 4094 } 4095 4096 IInputMethod method; 4097 ClientState client; 4098 4099 final Printer p = new PrintWriterPrinter(pw); 4100 4101 synchronized (mMethodMap) { 4102 p.println("Current Input Method Manager state:"); 4103 int N = mMethodList.size(); 4104 p.println(" Input Methods:"); 4105 for (int i=0; i<N; i++) { 4106 InputMethodInfo info = mMethodList.get(i); 4107 p.println(" InputMethod #" + i + ":"); 4108 info.dump(p, " "); 4109 } 4110 p.println(" Clients:"); 4111 for (ClientState ci : mClients.values()) { 4112 p.println(" Client " + ci + ":"); 4113 p.println(" client=" + ci.client); 4114 p.println(" inputContext=" + ci.inputContext); 4115 p.println(" sessionRequested=" + ci.sessionRequested); 4116 p.println(" curSession=" + ci.curSession); 4117 } 4118 p.println(" mCurMethodId=" + mCurMethodId); 4119 client = mCurClient; 4120 p.println(" mCurClient=" + client + " mCurSeq=" + mCurSeq); 4121 p.println(" mCurFocusedWindow=" + mCurFocusedWindow); 4122 p.println(" mCurId=" + mCurId + " mHaveConnect=" + mHaveConnection 4123 + " mBoundToMethod=" + mBoundToMethod); 4124 p.println(" mCurToken=" + mCurToken); 4125 p.println(" mCurIntent=" + mCurIntent); 4126 method = mCurMethod; 4127 p.println(" mCurMethod=" + mCurMethod); 4128 p.println(" mEnabledSession=" + mEnabledSession); 4129 p.println(" mShowRequested=" + mShowRequested 4130 + " mShowExplicitlyRequested=" + mShowExplicitlyRequested 4131 + " mShowForced=" + mShowForced 4132 + " mInputShown=" + mInputShown); 4133 p.println(" mSystemReady=" + mSystemReady + " mScreenOn=" + mScreenOn); 4134 } 4135 4136 p.println(" "); 4137 if (client != null) { 4138 pw.flush(); 4139 try { 4140 client.client.asBinder().dump(fd, args); 4141 } catch (RemoteException e) { 4142 p.println("Input method client dead: " + e); 4143 } 4144 } else { 4145 p.println("No input method client."); 4146 } 4147 4148 p.println(" "); 4149 if (method != null) { 4150 pw.flush(); 4151 try { 4152 method.asBinder().dump(fd, args); 4153 } catch (RemoteException e) { 4154 p.println("Input method service dead: " + e); 4155 } 4156 } else { 4157 p.println("No input method service."); 4158 } 4159 } 4160} 4161