InputMethodManagerService.java revision 217fd2903d09d40cabcdade9f2a162dc6513f800
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, null, new HandlerCaller.Callback() { 606 @Override 607 public void executeMessage(Message msg) { 608 handleMessage(msg); 609 } 610 }, true /*asyncHandler*/); 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 && (mWindowManagerService.isHardKeyboardAvailable() 1498 || (vis & (InputMethodService.IME_VISIBLE)) != 0); 1499 final InputMethodInfo imi = mMethodMap.get(mCurMethodId); 1500 if (imi != null && iconVisibility && needsToShowImeSwitchOngoingNotification()) { 1501 // Used to load label 1502 final PackageManager pm = mContext.getPackageManager(); 1503 final CharSequence title = mRes.getText( 1504 com.android.internal.R.string.select_input_method); 1505 final CharSequence imiLabel = imi.loadLabel(pm); 1506 final CharSequence summary = mCurrentSubtype != null 1507 ? TextUtils.concat(mCurrentSubtype.getDisplayName(mContext, 1508 imi.getPackageName(), imi.getServiceInfo().applicationInfo), 1509 (TextUtils.isEmpty(imiLabel) ? 1510 "" : " - " + imiLabel)) 1511 : imiLabel; 1512 1513 mImeSwitcherNotification.setLatestEventInfo( 1514 mContext, title, summary, mImeSwitchPendingIntent); 1515 if (mNotificationManager != null) { 1516 if (DEBUG) { 1517 Slog.d(TAG, "--- show notification: label = " + imiLabel 1518 + ", summary = " + summary); 1519 } 1520 mNotificationManager.notifyAsUser(null, 1521 com.android.internal.R.string.select_input_method, 1522 mImeSwitcherNotification, UserHandle.ALL); 1523 mNotificationShown = true; 1524 } 1525 } else { 1526 if (mNotificationShown && mNotificationManager != null) { 1527 if (DEBUG) { 1528 Slog.d(TAG, "--- hide notification"); 1529 } 1530 mNotificationManager.cancelAsUser(null, 1531 com.android.internal.R.string.select_input_method, UserHandle.ALL); 1532 mNotificationShown = false; 1533 } 1534 } 1535 } 1536 } finally { 1537 Binder.restoreCallingIdentity(ident); 1538 } 1539 } 1540 1541 @Override 1542 public void registerSuggestionSpansForNotification(SuggestionSpan[] spans) { 1543 if (!calledFromValidUser()) { 1544 return; 1545 } 1546 synchronized (mMethodMap) { 1547 final InputMethodInfo currentImi = mMethodMap.get(mCurMethodId); 1548 for (int i = 0; i < spans.length; ++i) { 1549 SuggestionSpan ss = spans[i]; 1550 if (!TextUtils.isEmpty(ss.getNotificationTargetClassName())) { 1551 mSecureSuggestionSpans.put(ss, currentImi); 1552 final InputMethodInfo targetImi = mSecureSuggestionSpans.get(ss); 1553 } 1554 } 1555 } 1556 } 1557 1558 @Override 1559 public boolean notifySuggestionPicked(SuggestionSpan span, String originalString, int index) { 1560 if (!calledFromValidUser()) { 1561 return false; 1562 } 1563 synchronized (mMethodMap) { 1564 final InputMethodInfo targetImi = mSecureSuggestionSpans.get(span); 1565 // TODO: Do not send the intent if the process of the targetImi is already dead. 1566 if (targetImi != null) { 1567 final String[] suggestions = span.getSuggestions(); 1568 if (index < 0 || index >= suggestions.length) return false; 1569 final String className = span.getNotificationTargetClassName(); 1570 final Intent intent = new Intent(); 1571 // Ensures that only a class in the original IME package will receive the 1572 // notification. 1573 intent.setClassName(targetImi.getPackageName(), className); 1574 intent.setAction(SuggestionSpan.ACTION_SUGGESTION_PICKED); 1575 intent.putExtra(SuggestionSpan.SUGGESTION_SPAN_PICKED_BEFORE, originalString); 1576 intent.putExtra(SuggestionSpan.SUGGESTION_SPAN_PICKED_AFTER, suggestions[index]); 1577 intent.putExtra(SuggestionSpan.SUGGESTION_SPAN_PICKED_HASHCODE, span.hashCode()); 1578 final long ident = Binder.clearCallingIdentity(); 1579 try { 1580 mContext.sendBroadcastAsUser(intent, UserHandle.CURRENT); 1581 } finally { 1582 Binder.restoreCallingIdentity(ident); 1583 } 1584 return true; 1585 } 1586 } 1587 return false; 1588 } 1589 1590 void updateFromSettingsLocked() { 1591 // We are assuming that whoever is changing DEFAULT_INPUT_METHOD and 1592 // ENABLED_INPUT_METHODS is taking care of keeping them correctly in 1593 // sync, so we will never have a DEFAULT_INPUT_METHOD that is not 1594 // enabled. 1595 String id = mSettings.getSelectedInputMethod(); 1596 // There is no input method selected, try to choose new applicable input method. 1597 if (TextUtils.isEmpty(id) && chooseNewDefaultIMELocked()) { 1598 id = mSettings.getSelectedInputMethod(); 1599 } 1600 if (!TextUtils.isEmpty(id)) { 1601 try { 1602 setInputMethodLocked(id, getSelectedInputMethodSubtypeId(id)); 1603 } catch (IllegalArgumentException e) { 1604 Slog.w(TAG, "Unknown input method from prefs: " + id, e); 1605 mCurMethodId = null; 1606 unbindCurrentMethodLocked(true, false); 1607 } 1608 mShortcutInputMethodsAndSubtypes.clear(); 1609 } else { 1610 // There is no longer an input method set, so stop any current one. 1611 mCurMethodId = null; 1612 unbindCurrentMethodLocked(true, false); 1613 } 1614 } 1615 1616 /* package */ void setInputMethodLocked(String id, int subtypeId) { 1617 InputMethodInfo info = mMethodMap.get(id); 1618 if (info == null) { 1619 throw new IllegalArgumentException("Unknown id: " + id); 1620 } 1621 1622 // See if we need to notify a subtype change within the same IME. 1623 if (id.equals(mCurMethodId)) { 1624 final int subtypeCount = info.getSubtypeCount(); 1625 if (subtypeCount <= 0) { 1626 return; 1627 } 1628 final InputMethodSubtype oldSubtype = mCurrentSubtype; 1629 final InputMethodSubtype newSubtype; 1630 if (subtypeId >= 0 && subtypeId < subtypeCount) { 1631 newSubtype = info.getSubtypeAt(subtypeId); 1632 } else { 1633 // If subtype is null, try to find the most applicable one from 1634 // getCurrentInputMethodSubtype. 1635 newSubtype = getCurrentInputMethodSubtypeLocked(); 1636 } 1637 if (newSubtype == null || oldSubtype == null) { 1638 Slog.w(TAG, "Illegal subtype state: old subtype = " + oldSubtype 1639 + ", new subtype = " + newSubtype); 1640 return; 1641 } 1642 if (newSubtype != oldSubtype) { 1643 setSelectedInputMethodAndSubtypeLocked(info, subtypeId, true); 1644 if (mCurMethod != null) { 1645 try { 1646 refreshImeWindowVisibilityLocked(); 1647 mCurMethod.changeInputMethodSubtype(newSubtype); 1648 } catch (RemoteException e) { 1649 Slog.w(TAG, "Failed to call changeInputMethodSubtype"); 1650 } 1651 } 1652 } 1653 return; 1654 } 1655 1656 // Changing to a different IME. 1657 final long ident = Binder.clearCallingIdentity(); 1658 try { 1659 // Set a subtype to this input method. 1660 // subtypeId the name of a subtype which will be set. 1661 setSelectedInputMethodAndSubtypeLocked(info, subtypeId, false); 1662 // mCurMethodId should be updated after setSelectedInputMethodAndSubtypeLocked() 1663 // because mCurMethodId is stored as a history in 1664 // setSelectedInputMethodAndSubtypeLocked(). 1665 mCurMethodId = id; 1666 1667 if (ActivityManagerNative.isSystemReady()) { 1668 Intent intent = new Intent(Intent.ACTION_INPUT_METHOD_CHANGED); 1669 intent.addFlags(Intent.FLAG_RECEIVER_REPLACE_PENDING); 1670 intent.putExtra("input_method_id", id); 1671 mContext.sendBroadcastAsUser(intent, UserHandle.CURRENT); 1672 } 1673 unbindCurrentClientLocked(); 1674 } finally { 1675 Binder.restoreCallingIdentity(ident); 1676 } 1677 } 1678 1679 @Override 1680 public boolean showSoftInput(IInputMethodClient client, int flags, 1681 ResultReceiver resultReceiver) { 1682 if (!calledFromValidUser()) { 1683 return false; 1684 } 1685 int uid = Binder.getCallingUid(); 1686 long ident = Binder.clearCallingIdentity(); 1687 try { 1688 synchronized (mMethodMap) { 1689 if (mCurClient == null || client == null 1690 || mCurClient.client.asBinder() != client.asBinder()) { 1691 try { 1692 // We need to check if this is the current client with 1693 // focus in the window manager, to allow this call to 1694 // be made before input is started in it. 1695 if (!mIWindowManager.inputMethodClientHasFocus(client)) { 1696 Slog.w(TAG, "Ignoring showSoftInput of uid " + uid + ": " + client); 1697 return false; 1698 } 1699 } catch (RemoteException e) { 1700 return false; 1701 } 1702 } 1703 1704 if (DEBUG) Slog.v(TAG, "Client requesting input be shown"); 1705 return showCurrentInputLocked(flags, resultReceiver); 1706 } 1707 } finally { 1708 Binder.restoreCallingIdentity(ident); 1709 } 1710 } 1711 1712 boolean showCurrentInputLocked(int flags, ResultReceiver resultReceiver) { 1713 mShowRequested = true; 1714 if ((flags&InputMethodManager.SHOW_IMPLICIT) == 0) { 1715 mShowExplicitlyRequested = true; 1716 } 1717 if ((flags&InputMethodManager.SHOW_FORCED) != 0) { 1718 mShowExplicitlyRequested = true; 1719 mShowForced = true; 1720 } 1721 1722 if (!mSystemReady) { 1723 return false; 1724 } 1725 1726 boolean res = false; 1727 if (mCurMethod != null) { 1728 executeOrSendMessage(mCurMethod, mCaller.obtainMessageIOO( 1729 MSG_SHOW_SOFT_INPUT, getImeShowFlags(), mCurMethod, 1730 resultReceiver)); 1731 mInputShown = true; 1732 if (mHaveConnection && !mVisibleBound) { 1733 bindCurrentInputMethodService( 1734 mCurIntent, mVisibleConnection, Context.BIND_AUTO_CREATE); 1735 mVisibleBound = true; 1736 } 1737 res = true; 1738 } else if (mHaveConnection && SystemClock.uptimeMillis() 1739 >= (mLastBindTime+TIME_TO_RECONNECT)) { 1740 // The client has asked to have the input method shown, but 1741 // we have been sitting here too long with a connection to the 1742 // service and no interface received, so let's disconnect/connect 1743 // to try to prod things along. 1744 EventLog.writeEvent(EventLogTags.IMF_FORCE_RECONNECT_IME, mCurMethodId, 1745 SystemClock.uptimeMillis()-mLastBindTime,1); 1746 Slog.w(TAG, "Force disconnect/connect to the IME in showCurrentInputLocked()"); 1747 mContext.unbindService(this); 1748 bindCurrentInputMethodService(mCurIntent, this, Context.BIND_AUTO_CREATE 1749 | Context.BIND_NOT_VISIBLE); 1750 } else { 1751 if (DEBUG) { 1752 Slog.d(TAG, "Can't show input: connection = " + mHaveConnection + ", time = " 1753 + ((mLastBindTime+TIME_TO_RECONNECT) - SystemClock.uptimeMillis())); 1754 } 1755 } 1756 1757 return res; 1758 } 1759 1760 @Override 1761 public boolean hideSoftInput(IInputMethodClient client, int flags, 1762 ResultReceiver resultReceiver) { 1763 if (!calledFromValidUser()) { 1764 return false; 1765 } 1766 int uid = Binder.getCallingUid(); 1767 long ident = Binder.clearCallingIdentity(); 1768 try { 1769 synchronized (mMethodMap) { 1770 if (mCurClient == null || client == null 1771 || mCurClient.client.asBinder() != client.asBinder()) { 1772 try { 1773 // We need to check if this is the current client with 1774 // focus in the window manager, to allow this call to 1775 // be made before input is started in it. 1776 if (!mIWindowManager.inputMethodClientHasFocus(client)) { 1777 if (DEBUG) Slog.w(TAG, "Ignoring hideSoftInput of uid " 1778 + uid + ": " + client); 1779 setImeWindowVisibilityStatusHiddenLocked(); 1780 return false; 1781 } 1782 } catch (RemoteException e) { 1783 setImeWindowVisibilityStatusHiddenLocked(); 1784 return false; 1785 } 1786 } 1787 1788 if (DEBUG) Slog.v(TAG, "Client requesting input be hidden"); 1789 return hideCurrentInputLocked(flags, resultReceiver); 1790 } 1791 } finally { 1792 Binder.restoreCallingIdentity(ident); 1793 } 1794 } 1795 1796 boolean hideCurrentInputLocked(int flags, ResultReceiver resultReceiver) { 1797 if ((flags&InputMethodManager.HIDE_IMPLICIT_ONLY) != 0 1798 && (mShowExplicitlyRequested || mShowForced)) { 1799 if (DEBUG) Slog.v(TAG, 1800 "Not hiding: explicit show not cancelled by non-explicit hide"); 1801 return false; 1802 } 1803 if (mShowForced && (flags&InputMethodManager.HIDE_NOT_ALWAYS) != 0) { 1804 if (DEBUG) Slog.v(TAG, 1805 "Not hiding: forced show not cancelled by not-always hide"); 1806 return false; 1807 } 1808 boolean res; 1809 if (mInputShown && mCurMethod != null) { 1810 executeOrSendMessage(mCurMethod, mCaller.obtainMessageOO( 1811 MSG_HIDE_SOFT_INPUT, mCurMethod, resultReceiver)); 1812 res = true; 1813 } else { 1814 res = false; 1815 } 1816 if (mHaveConnection && mVisibleBound) { 1817 mContext.unbindService(mVisibleConnection); 1818 mVisibleBound = false; 1819 } 1820 mInputShown = false; 1821 mShowRequested = false; 1822 mShowExplicitlyRequested = false; 1823 mShowForced = false; 1824 return res; 1825 } 1826 1827 @Override 1828 public InputBindResult windowGainedFocus(IInputMethodClient client, IBinder windowToken, 1829 int controlFlags, int softInputMode, int windowFlags, 1830 EditorInfo attribute, IInputContext inputContext) { 1831 // Needs to check the validity before clearing calling identity 1832 final boolean calledFromValidUser = calledFromValidUser(); 1833 1834 InputBindResult res = null; 1835 long ident = Binder.clearCallingIdentity(); 1836 try { 1837 synchronized (mMethodMap) { 1838 if (DEBUG) Slog.v(TAG, "windowGainedFocus: " + client.asBinder() 1839 + " controlFlags=#" + Integer.toHexString(controlFlags) 1840 + " softInputMode=#" + Integer.toHexString(softInputMode) 1841 + " windowFlags=#" + Integer.toHexString(windowFlags)); 1842 1843 ClientState cs = mClients.get(client.asBinder()); 1844 if (cs == null) { 1845 throw new IllegalArgumentException("unknown client " 1846 + client.asBinder()); 1847 } 1848 1849 try { 1850 if (!mIWindowManager.inputMethodClientHasFocus(cs.client)) { 1851 // Check with the window manager to make sure this client actually 1852 // has a window with focus. If not, reject. This is thread safe 1853 // because if the focus changes some time before or after, the 1854 // next client receiving focus that has any interest in input will 1855 // be calling through here after that change happens. 1856 Slog.w(TAG, "Focus gain on non-focused client " + cs.client 1857 + " (uid=" + cs.uid + " pid=" + cs.pid + ")"); 1858 return null; 1859 } 1860 } catch (RemoteException e) { 1861 } 1862 1863 if (!calledFromValidUser) { 1864 Slog.w(TAG, "A background user is requesting window. Hiding IME."); 1865 Slog.w(TAG, "If you want to interect with IME, you need " 1866 + "android.permission.INTERACT_ACROSS_USERS_FULL"); 1867 hideCurrentInputLocked(0, null); 1868 return null; 1869 } 1870 1871 if (mCurFocusedWindow == windowToken) { 1872 Slog.w(TAG, "Window already focused, ignoring focus gain of: " + client 1873 + " attribute=" + attribute + ", token = " + windowToken); 1874 if (attribute != null) { 1875 return startInputUncheckedLocked(cs, inputContext, attribute, 1876 controlFlags); 1877 } 1878 return null; 1879 } 1880 mCurFocusedWindow = windowToken; 1881 1882 // Should we auto-show the IME even if the caller has not 1883 // specified what should be done with it? 1884 // We only do this automatically if the window can resize 1885 // to accommodate the IME (so what the user sees will give 1886 // them good context without input information being obscured 1887 // by the IME) or if running on a large screen where there 1888 // is more room for the target window + IME. 1889 final boolean doAutoShow = 1890 (softInputMode & WindowManager.LayoutParams.SOFT_INPUT_MASK_ADJUST) 1891 == WindowManager.LayoutParams.SOFT_INPUT_ADJUST_RESIZE 1892 || mRes.getConfiguration().isLayoutSizeAtLeast( 1893 Configuration.SCREENLAYOUT_SIZE_LARGE); 1894 final boolean isTextEditor = 1895 (controlFlags&InputMethodManager.CONTROL_WINDOW_IS_TEXT_EDITOR) != 0; 1896 1897 // We want to start input before showing the IME, but after closing 1898 // it. We want to do this after closing it to help the IME disappear 1899 // more quickly (not get stuck behind it initializing itself for the 1900 // new focused input, even if its window wants to hide the IME). 1901 boolean didStart = false; 1902 1903 switch (softInputMode&WindowManager.LayoutParams.SOFT_INPUT_MASK_STATE) { 1904 case WindowManager.LayoutParams.SOFT_INPUT_STATE_UNSPECIFIED: 1905 if (!isTextEditor || !doAutoShow) { 1906 if (WindowManager.LayoutParams.mayUseInputMethod(windowFlags)) { 1907 // There is no focus view, and this window will 1908 // be behind any soft input window, so hide the 1909 // soft input window if it is shown. 1910 if (DEBUG) Slog.v(TAG, "Unspecified window will hide input"); 1911 hideCurrentInputLocked(InputMethodManager.HIDE_NOT_ALWAYS, null); 1912 } 1913 } else if (isTextEditor && doAutoShow && (softInputMode & 1914 WindowManager.LayoutParams.SOFT_INPUT_IS_FORWARD_NAVIGATION) != 0) { 1915 // There is a focus view, and we are navigating forward 1916 // into the window, so show the input window for the user. 1917 // We only do this automatically if the window can resize 1918 // to accommodate the IME (so what the user sees will give 1919 // them good context without input information being obscured 1920 // by the IME) or if running on a large screen where there 1921 // is more room for the target window + IME. 1922 if (DEBUG) Slog.v(TAG, "Unspecified window will show input"); 1923 if (attribute != null) { 1924 res = startInputUncheckedLocked(cs, inputContext, attribute, 1925 controlFlags); 1926 didStart = true; 1927 } 1928 showCurrentInputLocked(InputMethodManager.SHOW_IMPLICIT, null); 1929 } 1930 break; 1931 case WindowManager.LayoutParams.SOFT_INPUT_STATE_UNCHANGED: 1932 // Do nothing. 1933 break; 1934 case WindowManager.LayoutParams.SOFT_INPUT_STATE_HIDDEN: 1935 if ((softInputMode & 1936 WindowManager.LayoutParams.SOFT_INPUT_IS_FORWARD_NAVIGATION) != 0) { 1937 if (DEBUG) Slog.v(TAG, "Window asks to hide input going forward"); 1938 hideCurrentInputLocked(0, null); 1939 } 1940 break; 1941 case WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_HIDDEN: 1942 if (DEBUG) Slog.v(TAG, "Window asks to hide input"); 1943 hideCurrentInputLocked(0, null); 1944 break; 1945 case WindowManager.LayoutParams.SOFT_INPUT_STATE_VISIBLE: 1946 if ((softInputMode & 1947 WindowManager.LayoutParams.SOFT_INPUT_IS_FORWARD_NAVIGATION) != 0) { 1948 if (DEBUG) Slog.v(TAG, "Window asks to show input going forward"); 1949 if (attribute != null) { 1950 res = startInputUncheckedLocked(cs, inputContext, attribute, 1951 controlFlags); 1952 didStart = true; 1953 } 1954 showCurrentInputLocked(InputMethodManager.SHOW_IMPLICIT, null); 1955 } 1956 break; 1957 case WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_VISIBLE: 1958 if (DEBUG) Slog.v(TAG, "Window asks to always show input"); 1959 if (attribute != null) { 1960 res = startInputUncheckedLocked(cs, inputContext, attribute, 1961 controlFlags); 1962 didStart = true; 1963 } 1964 showCurrentInputLocked(InputMethodManager.SHOW_IMPLICIT, null); 1965 break; 1966 } 1967 1968 if (!didStart && attribute != null) { 1969 res = startInputUncheckedLocked(cs, inputContext, attribute, 1970 controlFlags); 1971 } 1972 } 1973 } finally { 1974 Binder.restoreCallingIdentity(ident); 1975 } 1976 1977 return res; 1978 } 1979 1980 @Override 1981 public void showInputMethodPickerFromClient(IInputMethodClient client) { 1982 if (!calledFromValidUser()) { 1983 return; 1984 } 1985 synchronized (mMethodMap) { 1986 if (mCurClient == null || client == null 1987 || mCurClient.client.asBinder() != client.asBinder()) { 1988 Slog.w(TAG, "Ignoring showInputMethodPickerFromClient of uid " 1989 + Binder.getCallingUid() + ": " + client); 1990 } 1991 1992 // Always call subtype picker, because subtype picker is a superset of input method 1993 // picker. 1994 mHandler.sendEmptyMessage(MSG_SHOW_IM_SUBTYPE_PICKER); 1995 } 1996 } 1997 1998 @Override 1999 public void setInputMethod(IBinder token, String id) { 2000 if (!calledFromValidUser()) { 2001 return; 2002 } 2003 setInputMethodWithSubtypeId(token, id, NOT_A_SUBTYPE_ID); 2004 } 2005 2006 @Override 2007 public void setInputMethodAndSubtype(IBinder token, String id, InputMethodSubtype subtype) { 2008 if (!calledFromValidUser()) { 2009 return; 2010 } 2011 synchronized (mMethodMap) { 2012 if (subtype != null) { 2013 setInputMethodWithSubtypeId(token, id, getSubtypeIdFromHashCode( 2014 mMethodMap.get(id), subtype.hashCode())); 2015 } else { 2016 setInputMethod(token, id); 2017 } 2018 } 2019 } 2020 2021 @Override 2022 public void showInputMethodAndSubtypeEnablerFromClient( 2023 IInputMethodClient client, String inputMethodId) { 2024 if (!calledFromValidUser()) { 2025 return; 2026 } 2027 synchronized (mMethodMap) { 2028 if (mCurClient == null || client == null 2029 || mCurClient.client.asBinder() != client.asBinder()) { 2030 Slog.w(TAG, "Ignoring showInputMethodAndSubtypeEnablerFromClient of: " + client); 2031 } 2032 executeOrSendMessage(mCurMethod, mCaller.obtainMessageO( 2033 MSG_SHOW_IM_SUBTYPE_ENABLER, inputMethodId)); 2034 } 2035 } 2036 2037 @Override 2038 public boolean switchToLastInputMethod(IBinder token) { 2039 if (!calledFromValidUser()) { 2040 return false; 2041 } 2042 synchronized (mMethodMap) { 2043 final Pair<String, String> lastIme = mSettings.getLastInputMethodAndSubtypeLocked(); 2044 final InputMethodInfo lastImi; 2045 if (lastIme != null) { 2046 lastImi = mMethodMap.get(lastIme.first); 2047 } else { 2048 lastImi = null; 2049 } 2050 String targetLastImiId = null; 2051 int subtypeId = NOT_A_SUBTYPE_ID; 2052 if (lastIme != null && lastImi != null) { 2053 final boolean imiIdIsSame = lastImi.getId().equals(mCurMethodId); 2054 final int lastSubtypeHash = Integer.valueOf(lastIme.second); 2055 final int currentSubtypeHash = mCurrentSubtype == null ? NOT_A_SUBTYPE_ID 2056 : mCurrentSubtype.hashCode(); 2057 // If the last IME is the same as the current IME and the last subtype is not 2058 // defined, there is no need to switch to the last IME. 2059 if (!imiIdIsSame || lastSubtypeHash != currentSubtypeHash) { 2060 targetLastImiId = lastIme.first; 2061 subtypeId = getSubtypeIdFromHashCode(lastImi, lastSubtypeHash); 2062 } 2063 } 2064 2065 if (TextUtils.isEmpty(targetLastImiId) && !canAddToLastInputMethod(mCurrentSubtype)) { 2066 // This is a safety net. If the currentSubtype can't be added to the history 2067 // and the framework couldn't find the last ime, we will make the last ime be 2068 // the most applicable enabled keyboard subtype of the system imes. 2069 final List<InputMethodInfo> enabled = mSettings.getEnabledInputMethodListLocked(); 2070 if (enabled != null) { 2071 final int N = enabled.size(); 2072 final String locale = mCurrentSubtype == null 2073 ? mRes.getConfiguration().locale.toString() 2074 : mCurrentSubtype.getLocale(); 2075 for (int i = 0; i < N; ++i) { 2076 final InputMethodInfo imi = enabled.get(i); 2077 if (imi.getSubtypeCount() > 0 && isSystemIme(imi)) { 2078 InputMethodSubtype keyboardSubtype = 2079 findLastResortApplicableSubtypeLocked(mRes, getSubtypes(imi), 2080 SUBTYPE_MODE_KEYBOARD, locale, true); 2081 if (keyboardSubtype != null) { 2082 targetLastImiId = imi.getId(); 2083 subtypeId = getSubtypeIdFromHashCode( 2084 imi, keyboardSubtype.hashCode()); 2085 if(keyboardSubtype.getLocale().equals(locale)) { 2086 break; 2087 } 2088 } 2089 } 2090 } 2091 } 2092 } 2093 2094 if (!TextUtils.isEmpty(targetLastImiId)) { 2095 if (DEBUG) { 2096 Slog.d(TAG, "Switch to: " + lastImi.getId() + ", " + lastIme.second 2097 + ", from: " + mCurMethodId + ", " + subtypeId); 2098 } 2099 setInputMethodWithSubtypeId(token, targetLastImiId, subtypeId); 2100 return true; 2101 } else { 2102 return false; 2103 } 2104 } 2105 } 2106 2107 @Override 2108 public boolean switchToNextInputMethod(IBinder token, boolean onlyCurrentIme) { 2109 if (!calledFromValidUser()) { 2110 return false; 2111 } 2112 synchronized (mMethodMap) { 2113 final ImeSubtypeListItem nextSubtype = mImListManager.getNextInputMethod( 2114 onlyCurrentIme, mMethodMap.get(mCurMethodId), mCurrentSubtype); 2115 if (nextSubtype == null) { 2116 return false; 2117 } 2118 setInputMethodWithSubtypeId(token, nextSubtype.mImi.getId(), nextSubtype.mSubtypeId); 2119 return true; 2120 } 2121 } 2122 2123 @Override 2124 public InputMethodSubtype getLastInputMethodSubtype() { 2125 if (!calledFromValidUser()) { 2126 return null; 2127 } 2128 synchronized (mMethodMap) { 2129 final Pair<String, String> lastIme = mSettings.getLastInputMethodAndSubtypeLocked(); 2130 // TODO: Handle the case of the last IME with no subtypes 2131 if (lastIme == null || TextUtils.isEmpty(lastIme.first) 2132 || TextUtils.isEmpty(lastIme.second)) return null; 2133 final InputMethodInfo lastImi = mMethodMap.get(lastIme.first); 2134 if (lastImi == null) return null; 2135 try { 2136 final int lastSubtypeHash = Integer.valueOf(lastIme.second); 2137 final int lastSubtypeId = getSubtypeIdFromHashCode(lastImi, lastSubtypeHash); 2138 if (lastSubtypeId < 0 || lastSubtypeId >= lastImi.getSubtypeCount()) { 2139 return null; 2140 } 2141 return lastImi.getSubtypeAt(lastSubtypeId); 2142 } catch (NumberFormatException e) { 2143 return null; 2144 } 2145 } 2146 } 2147 2148 @Override 2149 public void setAdditionalInputMethodSubtypes(String imiId, InputMethodSubtype[] subtypes) { 2150 if (!calledFromValidUser()) { 2151 return; 2152 } 2153 // By this IPC call, only a process which shares the same uid with the IME can add 2154 // additional input method subtypes to the IME. 2155 if (TextUtils.isEmpty(imiId) || subtypes == null || subtypes.length == 0) return; 2156 synchronized (mMethodMap) { 2157 final InputMethodInfo imi = mMethodMap.get(imiId); 2158 if (imi == null) return; 2159 final String[] packageInfos; 2160 try { 2161 packageInfos = mIPackageManager.getPackagesForUid(Binder.getCallingUid()); 2162 } catch (RemoteException e) { 2163 Slog.e(TAG, "Failed to get package infos"); 2164 return; 2165 } 2166 if (packageInfos != null) { 2167 final int packageNum = packageInfos.length; 2168 for (int i = 0; i < packageNum; ++i) { 2169 if (packageInfos[i].equals(imi.getPackageName())) { 2170 mFileManager.addInputMethodSubtypes(imi, subtypes); 2171 final long ident = Binder.clearCallingIdentity(); 2172 try { 2173 buildInputMethodListLocked(mMethodList, mMethodMap); 2174 } finally { 2175 Binder.restoreCallingIdentity(ident); 2176 } 2177 return; 2178 } 2179 } 2180 } 2181 } 2182 return; 2183 } 2184 2185 private void setInputMethodWithSubtypeId(IBinder token, String id, int subtypeId) { 2186 synchronized (mMethodMap) { 2187 if (token == null) { 2188 if (mContext.checkCallingOrSelfPermission( 2189 android.Manifest.permission.WRITE_SECURE_SETTINGS) 2190 != PackageManager.PERMISSION_GRANTED) { 2191 throw new SecurityException( 2192 "Using null token requires permission " 2193 + android.Manifest.permission.WRITE_SECURE_SETTINGS); 2194 } 2195 } else if (mCurToken != token) { 2196 Slog.w(TAG, "Ignoring setInputMethod of uid " + Binder.getCallingUid() 2197 + " token: " + token); 2198 return; 2199 } 2200 2201 final long ident = Binder.clearCallingIdentity(); 2202 try { 2203 setInputMethodLocked(id, subtypeId); 2204 } finally { 2205 Binder.restoreCallingIdentity(ident); 2206 } 2207 } 2208 } 2209 2210 @Override 2211 public void hideMySoftInput(IBinder token, int flags) { 2212 if (!calledFromValidUser()) { 2213 return; 2214 } 2215 synchronized (mMethodMap) { 2216 if (token == null || mCurToken != token) { 2217 if (DEBUG) Slog.w(TAG, "Ignoring hideInputMethod of uid " 2218 + Binder.getCallingUid() + " token: " + token); 2219 return; 2220 } 2221 long ident = Binder.clearCallingIdentity(); 2222 try { 2223 hideCurrentInputLocked(flags, null); 2224 } finally { 2225 Binder.restoreCallingIdentity(ident); 2226 } 2227 } 2228 } 2229 2230 @Override 2231 public void showMySoftInput(IBinder token, int flags) { 2232 if (!calledFromValidUser()) { 2233 return; 2234 } 2235 synchronized (mMethodMap) { 2236 if (token == null || mCurToken != token) { 2237 Slog.w(TAG, "Ignoring showMySoftInput of uid " 2238 + Binder.getCallingUid() + " token: " + token); 2239 return; 2240 } 2241 long ident = Binder.clearCallingIdentity(); 2242 try { 2243 showCurrentInputLocked(flags, null); 2244 } finally { 2245 Binder.restoreCallingIdentity(ident); 2246 } 2247 } 2248 } 2249 2250 void setEnabledSessionInMainThread(SessionState session) { 2251 if (mEnabledSession != session) { 2252 if (mEnabledSession != null) { 2253 try { 2254 if (DEBUG) Slog.v(TAG, "Disabling: " + mEnabledSession); 2255 mEnabledSession.method.setSessionEnabled( 2256 mEnabledSession.session, false); 2257 } catch (RemoteException e) { 2258 } 2259 } 2260 mEnabledSession = session; 2261 try { 2262 if (DEBUG) Slog.v(TAG, "Enabling: " + mEnabledSession); 2263 session.method.setSessionEnabled( 2264 session.session, true); 2265 } catch (RemoteException e) { 2266 } 2267 } 2268 } 2269 2270 @Override 2271 public boolean handleMessage(Message msg) { 2272 SomeArgs args; 2273 switch (msg.what) { 2274 case MSG_SHOW_IM_PICKER: 2275 showInputMethodMenu(); 2276 return true; 2277 2278 case MSG_SHOW_IM_SUBTYPE_PICKER: 2279 showInputMethodSubtypeMenu(); 2280 return true; 2281 2282 case MSG_SHOW_IM_SUBTYPE_ENABLER: 2283 args = (SomeArgs)msg.obj; 2284 showInputMethodAndSubtypeEnabler((String)args.arg1); 2285 args.recycle(); 2286 return true; 2287 2288 case MSG_SHOW_IM_CONFIG: 2289 showConfigureInputMethods(); 2290 return true; 2291 2292 // --------------------------------------------------------- 2293 2294 case MSG_UNBIND_INPUT: 2295 try { 2296 ((IInputMethod)msg.obj).unbindInput(); 2297 } catch (RemoteException e) { 2298 // There is nothing interesting about the method dying. 2299 } 2300 return true; 2301 case MSG_BIND_INPUT: 2302 args = (SomeArgs)msg.obj; 2303 try { 2304 ((IInputMethod)args.arg1).bindInput((InputBinding)args.arg2); 2305 } catch (RemoteException e) { 2306 } 2307 args.recycle(); 2308 return true; 2309 case MSG_SHOW_SOFT_INPUT: 2310 args = (SomeArgs)msg.obj; 2311 try { 2312 ((IInputMethod)args.arg1).showSoftInput(msg.arg1, 2313 (ResultReceiver)args.arg2); 2314 } catch (RemoteException e) { 2315 } 2316 args.recycle(); 2317 return true; 2318 case MSG_HIDE_SOFT_INPUT: 2319 args = (SomeArgs)msg.obj; 2320 try { 2321 ((IInputMethod)args.arg1).hideSoftInput(0, 2322 (ResultReceiver)args.arg2); 2323 } catch (RemoteException e) { 2324 } 2325 args.recycle(); 2326 return true; 2327 case MSG_ATTACH_TOKEN: 2328 args = (SomeArgs)msg.obj; 2329 try { 2330 if (DEBUG) Slog.v(TAG, "Sending attach of token: " + args.arg2); 2331 ((IInputMethod)args.arg1).attachToken((IBinder)args.arg2); 2332 } catch (RemoteException e) { 2333 } 2334 args.recycle(); 2335 return true; 2336 case MSG_CREATE_SESSION: 2337 args = (SomeArgs)msg.obj; 2338 try { 2339 ((IInputMethod)args.arg1).createSession( 2340 (IInputMethodCallback)args.arg2); 2341 } catch (RemoteException e) { 2342 } 2343 args.recycle(); 2344 return true; 2345 // --------------------------------------------------------- 2346 2347 case MSG_START_INPUT: 2348 args = (SomeArgs)msg.obj; 2349 try { 2350 SessionState session = (SessionState)args.arg1; 2351 setEnabledSessionInMainThread(session); 2352 session.method.startInput((IInputContext)args.arg2, 2353 (EditorInfo)args.arg3); 2354 } catch (RemoteException e) { 2355 } 2356 args.recycle(); 2357 return true; 2358 case MSG_RESTART_INPUT: 2359 args = (SomeArgs)msg.obj; 2360 try { 2361 SessionState session = (SessionState)args.arg1; 2362 setEnabledSessionInMainThread(session); 2363 session.method.restartInput((IInputContext)args.arg2, 2364 (EditorInfo)args.arg3); 2365 } catch (RemoteException e) { 2366 } 2367 args.recycle(); 2368 return true; 2369 2370 // --------------------------------------------------------- 2371 2372 case MSG_UNBIND_METHOD: 2373 try { 2374 ((IInputMethodClient)msg.obj).onUnbindMethod(msg.arg1); 2375 } catch (RemoteException e) { 2376 // There is nothing interesting about the last client dying. 2377 } 2378 return true; 2379 case MSG_BIND_METHOD: 2380 args = (SomeArgs)msg.obj; 2381 try { 2382 ((IInputMethodClient)args.arg1).onBindMethod( 2383 (InputBindResult)args.arg2); 2384 } catch (RemoteException e) { 2385 Slog.w(TAG, "Client died receiving input method " + args.arg2); 2386 } 2387 args.recycle(); 2388 return true; 2389 case MSG_SET_ACTIVE: 2390 try { 2391 ((ClientState)msg.obj).client.setActive(msg.arg1 != 0); 2392 } catch (RemoteException e) { 2393 Slog.w(TAG, "Got RemoteException sending setActive(false) notification to pid " 2394 + ((ClientState)msg.obj).pid + " uid " 2395 + ((ClientState)msg.obj).uid); 2396 } 2397 return true; 2398 2399 // -------------------------------------------------------------- 2400 case MSG_HARD_KEYBOARD_SWITCH_CHANGED: 2401 mHardKeyboardListener.handleHardKeyboardStatusChange( 2402 msg.arg1 == 1, msg.arg2 == 1); 2403 return true; 2404 } 2405 return false; 2406 } 2407 2408 private static boolean isSystemIme(InputMethodInfo inputMethod) { 2409 return (inputMethod.getServiceInfo().applicationInfo.flags 2410 & ApplicationInfo.FLAG_SYSTEM) != 0; 2411 } 2412 2413 private static ArrayList<InputMethodSubtype> getSubtypes(InputMethodInfo imi) { 2414 ArrayList<InputMethodSubtype> subtypes = new ArrayList<InputMethodSubtype>(); 2415 final int subtypeCount = imi.getSubtypeCount(); 2416 for (int i = 0; i < subtypeCount; ++i) { 2417 subtypes.add(imi.getSubtypeAt(i)); 2418 } 2419 return subtypes; 2420 } 2421 2422 private static ArrayList<InputMethodSubtype> getOverridingImplicitlyEnabledSubtypes( 2423 InputMethodInfo imi, String mode) { 2424 ArrayList<InputMethodSubtype> subtypes = new ArrayList<InputMethodSubtype>(); 2425 final int subtypeCount = imi.getSubtypeCount(); 2426 for (int i = 0; i < subtypeCount; ++i) { 2427 final InputMethodSubtype subtype = imi.getSubtypeAt(i); 2428 if (subtype.overridesImplicitlyEnabledSubtype() && subtype.getMode().equals(mode)) { 2429 subtypes.add(subtype); 2430 } 2431 } 2432 return subtypes; 2433 } 2434 2435 private InputMethodInfo getMostApplicableDefaultIMELocked() { 2436 List<InputMethodInfo> enabled = mSettings.getEnabledInputMethodListLocked(); 2437 if (enabled != null && enabled.size() > 0) { 2438 // We'd prefer to fall back on a system IME, since that is safer. 2439 int i = enabled.size(); 2440 int firstFoundSystemIme = -1; 2441 while (i > 0) { 2442 i--; 2443 final InputMethodInfo imi = enabled.get(i); 2444 if (isSystemImeThatHasEnglishSubtype(imi) && !imi.isAuxiliaryIme()) { 2445 return imi; 2446 } 2447 if (firstFoundSystemIme < 0 && isSystemIme(imi) && !imi.isAuxiliaryIme()) { 2448 firstFoundSystemIme = i; 2449 } 2450 } 2451 return enabled.get(Math.max(firstFoundSystemIme, 0)); 2452 } 2453 return null; 2454 } 2455 2456 private boolean chooseNewDefaultIMELocked() { 2457 final InputMethodInfo imi = getMostApplicableDefaultIMELocked(); 2458 if (imi != null) { 2459 if (DEBUG) { 2460 Slog.d(TAG, "New default IME was selected: " + imi.getId()); 2461 } 2462 resetSelectedInputMethodAndSubtypeLocked(imi.getId()); 2463 return true; 2464 } 2465 2466 return false; 2467 } 2468 2469 void buildInputMethodListLocked(ArrayList<InputMethodInfo> list, 2470 HashMap<String, InputMethodInfo> map) { 2471 if (DEBUG) { 2472 Slog.d(TAG, "--- re-buildInputMethodList " + ", \n ------ \n" + getStackTrace()); 2473 } 2474 list.clear(); 2475 map.clear(); 2476 2477 // Use for queryIntentServicesAsUser 2478 final PackageManager pm = mContext.getPackageManager(); 2479 final Configuration config = mRes.getConfiguration(); 2480 final boolean haveHardKeyboard = config.keyboard == Configuration.KEYBOARD_QWERTY; 2481 String disabledSysImes = mSettings.getDisabledSystemInputMethods(); 2482 if (disabledSysImes == null) disabledSysImes = ""; 2483 2484 final List<ResolveInfo> services = pm.queryIntentServicesAsUser( 2485 new Intent(InputMethod.SERVICE_INTERFACE), 2486 PackageManager.GET_META_DATA, mSettings.getCurrentUserId()); 2487 2488 final HashMap<String, List<InputMethodSubtype>> additionalSubtypes = 2489 mFileManager.getAllAdditionalInputMethodSubtypes(); 2490 for (int i = 0; i < services.size(); ++i) { 2491 ResolveInfo ri = services.get(i); 2492 ServiceInfo si = ri.serviceInfo; 2493 ComponentName compName = new ComponentName(si.packageName, si.name); 2494 if (!android.Manifest.permission.BIND_INPUT_METHOD.equals( 2495 si.permission)) { 2496 Slog.w(TAG, "Skipping input method " + compName 2497 + ": it does not require the permission " 2498 + android.Manifest.permission.BIND_INPUT_METHOD); 2499 continue; 2500 } 2501 2502 if (DEBUG) Slog.d(TAG, "Checking " + compName); 2503 2504 try { 2505 InputMethodInfo p = new InputMethodInfo(mContext, ri, additionalSubtypes); 2506 list.add(p); 2507 final String id = p.getId(); 2508 map.put(id, p); 2509 2510 // Valid system default IMEs and IMEs that have English subtypes are enabled 2511 // by default 2512 if ((isValidSystemDefaultIme(p, mContext) || isSystemImeThatHasEnglishSubtype(p))) { 2513 setInputMethodEnabledLocked(id, true); 2514 } 2515 2516 if (DEBUG) { 2517 Slog.d(TAG, "Found a third-party input method " + p); 2518 } 2519 2520 } catch (XmlPullParserException e) { 2521 Slog.w(TAG, "Unable to load input method " + compName, e); 2522 } catch (IOException e) { 2523 Slog.w(TAG, "Unable to load input method " + compName, e); 2524 } 2525 } 2526 2527 final String defaultImiId = mSettings.getSelectedInputMethod(); 2528 if (!TextUtils.isEmpty(defaultImiId)) { 2529 if (!map.containsKey(defaultImiId)) { 2530 Slog.w(TAG, "Default IME is uninstalled. Choose new default IME."); 2531 if (chooseNewDefaultIMELocked()) { 2532 updateFromSettingsLocked(); 2533 } 2534 } else { 2535 // Double check that the default IME is certainly enabled. 2536 setInputMethodEnabledLocked(defaultImiId, true); 2537 } 2538 } 2539 } 2540 2541 // ---------------------------------------------------------------------- 2542 2543 private void showInputMethodMenu() { 2544 showInputMethodMenuInternal(false); 2545 } 2546 2547 private void showInputMethodSubtypeMenu() { 2548 showInputMethodMenuInternal(true); 2549 } 2550 2551 private void showInputMethodAndSubtypeEnabler(String inputMethodId) { 2552 Intent intent = new Intent(Settings.ACTION_INPUT_METHOD_SUBTYPE_SETTINGS); 2553 intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK 2554 | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED 2555 | Intent.FLAG_ACTIVITY_CLEAR_TOP); 2556 if (!TextUtils.isEmpty(inputMethodId)) { 2557 intent.putExtra(Settings.EXTRA_INPUT_METHOD_ID, inputMethodId); 2558 } 2559 mContext.startActivityAsUser(intent, null, UserHandle.CURRENT); 2560 } 2561 2562 private void showConfigureInputMethods() { 2563 Intent intent = new Intent(Settings.ACTION_INPUT_METHOD_SETTINGS); 2564 intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK 2565 | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED 2566 | Intent.FLAG_ACTIVITY_CLEAR_TOP); 2567 mContext.startActivityAsUser(intent, null, UserHandle.CURRENT); 2568 } 2569 2570 private boolean isScreenLocked() { 2571 return mKeyguardManager != null 2572 && mKeyguardManager.isKeyguardLocked() && mKeyguardManager.isKeyguardSecure(); 2573 } 2574 private void showInputMethodMenuInternal(boolean showSubtypes) { 2575 if (DEBUG) Slog.v(TAG, "Show switching menu"); 2576 2577 final Context context = mContext; 2578 final boolean isScreenLocked = isScreenLocked(); 2579 2580 final String lastInputMethodId = mSettings.getSelectedInputMethod(); 2581 int lastInputMethodSubtypeId = getSelectedInputMethodSubtypeId(lastInputMethodId); 2582 if (DEBUG) Slog.v(TAG, "Current IME: " + lastInputMethodId); 2583 2584 synchronized (mMethodMap) { 2585 final HashMap<InputMethodInfo, List<InputMethodSubtype>> immis = 2586 getExplicitlyOrImplicitlyEnabledInputMethodsAndSubtypeListLocked(); 2587 if (immis == null || immis.size() == 0) { 2588 return; 2589 } 2590 2591 hideInputMethodMenuLocked(); 2592 2593 final List<ImeSubtypeListItem> imList = 2594 mImListManager.getSortedInputMethodAndSubtypeList( 2595 showSubtypes, mInputShown, isScreenLocked); 2596 2597 if (lastInputMethodSubtypeId == NOT_A_SUBTYPE_ID) { 2598 final InputMethodSubtype currentSubtype = getCurrentInputMethodSubtypeLocked(); 2599 if (currentSubtype != null) { 2600 final InputMethodInfo currentImi = mMethodMap.get(mCurMethodId); 2601 lastInputMethodSubtypeId = 2602 getSubtypeIdFromHashCode(currentImi, currentSubtype.hashCode()); 2603 } 2604 } 2605 2606 final int N = imList.size(); 2607 mIms = new InputMethodInfo[N]; 2608 mSubtypeIds = new int[N]; 2609 int checkedItem = 0; 2610 for (int i = 0; i < N; ++i) { 2611 final ImeSubtypeListItem item = imList.get(i); 2612 mIms[i] = item.mImi; 2613 mSubtypeIds[i] = item.mSubtypeId; 2614 if (mIms[i].getId().equals(lastInputMethodId)) { 2615 int subtypeId = mSubtypeIds[i]; 2616 if ((subtypeId == NOT_A_SUBTYPE_ID) 2617 || (lastInputMethodSubtypeId == NOT_A_SUBTYPE_ID && subtypeId == 0) 2618 || (subtypeId == lastInputMethodSubtypeId)) { 2619 checkedItem = i; 2620 } 2621 } 2622 } 2623 final TypedArray a = context.obtainStyledAttributes(null, 2624 com.android.internal.R.styleable.DialogPreference, 2625 com.android.internal.R.attr.alertDialogStyle, 0); 2626 mDialogBuilder = new AlertDialog.Builder(context) 2627 .setOnCancelListener(new OnCancelListener() { 2628 @Override 2629 public void onCancel(DialogInterface dialog) { 2630 hideInputMethodMenu(); 2631 } 2632 }) 2633 .setIcon(a.getDrawable( 2634 com.android.internal.R.styleable.DialogPreference_dialogTitle)); 2635 a.recycle(); 2636 final LayoutInflater inflater = 2637 (LayoutInflater)mContext.getSystemService(Context.LAYOUT_INFLATER_SERVICE); 2638 final View tv = inflater.inflate( 2639 com.android.internal.R.layout.input_method_switch_dialog_title, null); 2640 mDialogBuilder.setCustomTitle(tv); 2641 2642 // Setup layout for a toggle switch of the hardware keyboard 2643 mSwitchingDialogTitleView = tv; 2644 mSwitchingDialogTitleView.findViewById( 2645 com.android.internal.R.id.hard_keyboard_section).setVisibility( 2646 mWindowManagerService.isHardKeyboardAvailable() ? 2647 View.VISIBLE : View.GONE); 2648 final Switch hardKeySwitch = ((Switch)mSwitchingDialogTitleView.findViewById( 2649 com.android.internal.R.id.hard_keyboard_switch)); 2650 hardKeySwitch.setChecked(mWindowManagerService.isHardKeyboardEnabled()); 2651 hardKeySwitch.setOnCheckedChangeListener( 2652 new OnCheckedChangeListener() { 2653 @Override 2654 public void onCheckedChanged( 2655 CompoundButton buttonView, boolean isChecked) { 2656 mWindowManagerService.setHardKeyboardEnabled(isChecked); 2657 } 2658 }); 2659 2660 final ImeSubtypeListAdapter adapter = new ImeSubtypeListAdapter(context, 2661 com.android.internal.R.layout.simple_list_item_2_single_choice, imList, 2662 checkedItem); 2663 2664 mDialogBuilder.setSingleChoiceItems(adapter, checkedItem, 2665 new AlertDialog.OnClickListener() { 2666 @Override 2667 public void onClick(DialogInterface dialog, int which) { 2668 synchronized (mMethodMap) { 2669 if (mIms == null || mIms.length <= which 2670 || mSubtypeIds == null || mSubtypeIds.length <= which) { 2671 return; 2672 } 2673 InputMethodInfo im = mIms[which]; 2674 int subtypeId = mSubtypeIds[which]; 2675 hideInputMethodMenu(); 2676 if (im != null) { 2677 if ((subtypeId < 0) 2678 || (subtypeId >= im.getSubtypeCount())) { 2679 subtypeId = NOT_A_SUBTYPE_ID; 2680 } 2681 setInputMethodLocked(im.getId(), subtypeId); 2682 } 2683 } 2684 } 2685 }); 2686 2687 if (showSubtypes && !isScreenLocked) { 2688 mDialogBuilder.setPositiveButton( 2689 com.android.internal.R.string.configure_input_methods, 2690 new DialogInterface.OnClickListener() { 2691 @Override 2692 public void onClick(DialogInterface dialog, int whichButton) { 2693 showConfigureInputMethods(); 2694 } 2695 }); 2696 } 2697 mSwitchingDialog = mDialogBuilder.create(); 2698 mSwitchingDialog.setCanceledOnTouchOutside(true); 2699 mSwitchingDialog.getWindow().setType( 2700 WindowManager.LayoutParams.TYPE_INPUT_METHOD_DIALOG); 2701 mSwitchingDialog.getWindow().getAttributes().privateFlags |= 2702 WindowManager.LayoutParams.PRIVATE_FLAG_SHOW_FOR_ALL_USERS; 2703 mSwitchingDialog.getWindow().getAttributes().setTitle("Select input method"); 2704 mSwitchingDialog.show(); 2705 } 2706 } 2707 2708 private static class ImeSubtypeListItem implements Comparable<ImeSubtypeListItem> { 2709 public final CharSequence mImeName; 2710 public final CharSequence mSubtypeName; 2711 public final InputMethodInfo mImi; 2712 public final int mSubtypeId; 2713 private final boolean mIsSystemLocale; 2714 private final boolean mIsSystemLanguage; 2715 2716 public ImeSubtypeListItem(CharSequence imeName, CharSequence subtypeName, 2717 InputMethodInfo imi, int subtypeId, String subtypeLocale, String systemLocale) { 2718 mImeName = imeName; 2719 mSubtypeName = subtypeName; 2720 mImi = imi; 2721 mSubtypeId = subtypeId; 2722 if (TextUtils.isEmpty(subtypeLocale)) { 2723 mIsSystemLocale = false; 2724 mIsSystemLanguage = false; 2725 } else { 2726 mIsSystemLocale = subtypeLocale.equals(systemLocale); 2727 mIsSystemLanguage = mIsSystemLocale 2728 || subtypeLocale.startsWith(systemLocale.substring(0, 2)); 2729 } 2730 } 2731 2732 @Override 2733 public int compareTo(ImeSubtypeListItem other) { 2734 if (TextUtils.isEmpty(mImeName)) { 2735 return 1; 2736 } 2737 if (TextUtils.isEmpty(other.mImeName)) { 2738 return -1; 2739 } 2740 if (!TextUtils.equals(mImeName, other.mImeName)) { 2741 return mImeName.toString().compareTo(other.mImeName.toString()); 2742 } 2743 if (TextUtils.equals(mSubtypeName, other.mSubtypeName)) { 2744 return 0; 2745 } 2746 if (mIsSystemLocale) { 2747 return -1; 2748 } 2749 if (other.mIsSystemLocale) { 2750 return 1; 2751 } 2752 if (mIsSystemLanguage) { 2753 return -1; 2754 } 2755 if (other.mIsSystemLanguage) { 2756 return 1; 2757 } 2758 if (TextUtils.isEmpty(mSubtypeName)) { 2759 return 1; 2760 } 2761 if (TextUtils.isEmpty(other.mSubtypeName)) { 2762 return -1; 2763 } 2764 return mSubtypeName.toString().compareTo(other.mSubtypeName.toString()); 2765 } 2766 } 2767 2768 private static class ImeSubtypeListAdapter extends ArrayAdapter<ImeSubtypeListItem> { 2769 private final LayoutInflater mInflater; 2770 private final int mTextViewResourceId; 2771 private final List<ImeSubtypeListItem> mItemsList; 2772 private final int mCheckedItem; 2773 public ImeSubtypeListAdapter(Context context, int textViewResourceId, 2774 List<ImeSubtypeListItem> itemsList, int checkedItem) { 2775 super(context, textViewResourceId, itemsList); 2776 mTextViewResourceId = textViewResourceId; 2777 mItemsList = itemsList; 2778 mCheckedItem = checkedItem; 2779 mInflater = (LayoutInflater)context.getSystemService(Context.LAYOUT_INFLATER_SERVICE); 2780 } 2781 2782 @Override 2783 public View getView(int position, View convertView, ViewGroup parent) { 2784 final View view = convertView != null ? convertView 2785 : mInflater.inflate(mTextViewResourceId, null); 2786 if (position < 0 || position >= mItemsList.size()) return view; 2787 final ImeSubtypeListItem item = mItemsList.get(position); 2788 final CharSequence imeName = item.mImeName; 2789 final CharSequence subtypeName = item.mSubtypeName; 2790 final TextView firstTextView = (TextView)view.findViewById(android.R.id.text1); 2791 final TextView secondTextView = (TextView)view.findViewById(android.R.id.text2); 2792 if (TextUtils.isEmpty(subtypeName)) { 2793 firstTextView.setText(imeName); 2794 secondTextView.setVisibility(View.GONE); 2795 } else { 2796 firstTextView.setText(subtypeName); 2797 secondTextView.setText(imeName); 2798 secondTextView.setVisibility(View.VISIBLE); 2799 } 2800 final RadioButton radioButton = 2801 (RadioButton)view.findViewById(com.android.internal.R.id.radio); 2802 radioButton.setChecked(position == mCheckedItem); 2803 return view; 2804 } 2805 } 2806 2807 void hideInputMethodMenu() { 2808 synchronized (mMethodMap) { 2809 hideInputMethodMenuLocked(); 2810 } 2811 } 2812 2813 void hideInputMethodMenuLocked() { 2814 if (DEBUG) Slog.v(TAG, "Hide switching menu"); 2815 2816 if (mSwitchingDialog != null) { 2817 mSwitchingDialog.dismiss(); 2818 mSwitchingDialog = null; 2819 } 2820 2821 mDialogBuilder = null; 2822 mIms = null; 2823 } 2824 2825 // ---------------------------------------------------------------------- 2826 2827 @Override 2828 public boolean setInputMethodEnabled(String id, boolean enabled) { 2829 // TODO: Make this work even for non-current users? 2830 if (!calledFromValidUser()) { 2831 return false; 2832 } 2833 synchronized (mMethodMap) { 2834 if (mContext.checkCallingOrSelfPermission( 2835 android.Manifest.permission.WRITE_SECURE_SETTINGS) 2836 != PackageManager.PERMISSION_GRANTED) { 2837 throw new SecurityException( 2838 "Requires permission " 2839 + android.Manifest.permission.WRITE_SECURE_SETTINGS); 2840 } 2841 2842 long ident = Binder.clearCallingIdentity(); 2843 try { 2844 return setInputMethodEnabledLocked(id, enabled); 2845 } finally { 2846 Binder.restoreCallingIdentity(ident); 2847 } 2848 } 2849 } 2850 2851 boolean setInputMethodEnabledLocked(String id, boolean enabled) { 2852 // Make sure this is a valid input method. 2853 InputMethodInfo imm = mMethodMap.get(id); 2854 if (imm == null) { 2855 throw new IllegalArgumentException("Unknown id: " + mCurMethodId); 2856 } 2857 2858 List<Pair<String, ArrayList<String>>> enabledInputMethodsList = mSettings 2859 .getEnabledInputMethodsAndSubtypeListLocked(); 2860 2861 if (enabled) { 2862 for (Pair<String, ArrayList<String>> pair: enabledInputMethodsList) { 2863 if (pair.first.equals(id)) { 2864 // We are enabling this input method, but it is already enabled. 2865 // Nothing to do. The previous state was enabled. 2866 return true; 2867 } 2868 } 2869 mSettings.appendAndPutEnabledInputMethodLocked(id, false); 2870 // Previous state was disabled. 2871 return false; 2872 } else { 2873 StringBuilder builder = new StringBuilder(); 2874 if (mSettings.buildAndPutEnabledInputMethodsStrRemovingIdLocked( 2875 builder, enabledInputMethodsList, id)) { 2876 // Disabled input method is currently selected, switch to another one. 2877 final String selId = mSettings.getSelectedInputMethod(); 2878 if (id.equals(selId) && !chooseNewDefaultIMELocked()) { 2879 Slog.i(TAG, "Can't find new IME, unsetting the current input method."); 2880 resetSelectedInputMethodAndSubtypeLocked(""); 2881 } 2882 // Previous state was enabled. 2883 return true; 2884 } else { 2885 // We are disabling the input method but it is already disabled. 2886 // Nothing to do. The previous state was disabled. 2887 return false; 2888 } 2889 } 2890 } 2891 2892 private boolean canAddToLastInputMethod(InputMethodSubtype subtype) { 2893 if (subtype == null) return true; 2894 return !subtype.isAuxiliary(); 2895 } 2896 2897 private void saveCurrentInputMethodAndSubtypeToHistory() { 2898 String subtypeId = NOT_A_SUBTYPE_ID_STR; 2899 if (mCurrentSubtype != null) { 2900 subtypeId = String.valueOf(mCurrentSubtype.hashCode()); 2901 } 2902 if (canAddToLastInputMethod(mCurrentSubtype)) { 2903 mSettings.addSubtypeToHistory(mCurMethodId, subtypeId); 2904 } 2905 } 2906 2907 private void setSelectedInputMethodAndSubtypeLocked(InputMethodInfo imi, int subtypeId, 2908 boolean setSubtypeOnly) { 2909 // Update the history of InputMethod and Subtype 2910 saveCurrentInputMethodAndSubtypeToHistory(); 2911 2912 // Set Subtype here 2913 if (imi == null || subtypeId < 0) { 2914 mSettings.putSelectedSubtype(NOT_A_SUBTYPE_ID); 2915 mCurrentSubtype = null; 2916 } else { 2917 if (subtypeId < imi.getSubtypeCount()) { 2918 InputMethodSubtype subtype = imi.getSubtypeAt(subtypeId); 2919 mSettings.putSelectedSubtype(subtype.hashCode()); 2920 mCurrentSubtype = subtype; 2921 } else { 2922 mSettings.putSelectedSubtype(NOT_A_SUBTYPE_ID); 2923 // If the subtype is not specified, choose the most applicable one 2924 mCurrentSubtype = getCurrentInputMethodSubtypeLocked(); 2925 } 2926 } 2927 2928 // Workaround. 2929 // ASEC is not ready in the IMMS constructor. Accordingly, forward-locked 2930 // IMEs are not recognized and considered uninstalled. 2931 // Actually, we can't move everything after SystemReady because 2932 // IMMS needs to run in the encryption lock screen. So, we just skip changing 2933 // the default IME here and try cheking the default IME again in systemReady(). 2934 // TODO: Do nothing before system ready and implement a separated logic for 2935 // the encryption lock screen. 2936 // TODO: ASEC should be ready before IMMS is instantiated. 2937 if (mSystemReady && !setSubtypeOnly) { 2938 // Set InputMethod here 2939 mSettings.putSelectedInputMethod(imi != null ? imi.getId() : ""); 2940 } 2941 } 2942 2943 private void resetSelectedInputMethodAndSubtypeLocked(String newDefaultIme) { 2944 InputMethodInfo imi = mMethodMap.get(newDefaultIme); 2945 int lastSubtypeId = NOT_A_SUBTYPE_ID; 2946 // newDefaultIme is empty when there is no candidate for the selected IME. 2947 if (imi != null && !TextUtils.isEmpty(newDefaultIme)) { 2948 String subtypeHashCode = mSettings.getLastSubtypeForInputMethodLocked(newDefaultIme); 2949 if (subtypeHashCode != null) { 2950 try { 2951 lastSubtypeId = getSubtypeIdFromHashCode( 2952 imi, Integer.valueOf(subtypeHashCode)); 2953 } catch (NumberFormatException e) { 2954 Slog.w(TAG, "HashCode for subtype looks broken: " + subtypeHashCode, e); 2955 } 2956 } 2957 } 2958 setSelectedInputMethodAndSubtypeLocked(imi, lastSubtypeId, false); 2959 } 2960 2961 private int getSelectedInputMethodSubtypeId(String id) { 2962 InputMethodInfo imi = mMethodMap.get(id); 2963 if (imi == null) { 2964 return NOT_A_SUBTYPE_ID; 2965 } 2966 final int subtypeHashCode = mSettings.getSelectedInputMethodSubtypeHashCode(); 2967 return getSubtypeIdFromHashCode(imi, subtypeHashCode); 2968 } 2969 2970 private static boolean isValidSubtypeId(InputMethodInfo imi, int subtypeHashCode) { 2971 return getSubtypeIdFromHashCode(imi, subtypeHashCode) != NOT_A_SUBTYPE_ID; 2972 } 2973 2974 private static int getSubtypeIdFromHashCode(InputMethodInfo imi, int subtypeHashCode) { 2975 if (imi != null) { 2976 final int subtypeCount = imi.getSubtypeCount(); 2977 for (int i = 0; i < subtypeCount; ++i) { 2978 InputMethodSubtype ims = imi.getSubtypeAt(i); 2979 if (subtypeHashCode == ims.hashCode()) { 2980 return i; 2981 } 2982 } 2983 } 2984 return NOT_A_SUBTYPE_ID; 2985 } 2986 2987 private static ArrayList<InputMethodSubtype> getImplicitlyApplicableSubtypesLocked( 2988 Resources res, InputMethodInfo imi) { 2989 final List<InputMethodSubtype> subtypes = getSubtypes(imi); 2990 final String systemLocale = res.getConfiguration().locale.toString(); 2991 if (TextUtils.isEmpty(systemLocale)) return new ArrayList<InputMethodSubtype>(); 2992 final HashMap<String, InputMethodSubtype> applicableModeAndSubtypesMap = 2993 new HashMap<String, InputMethodSubtype>(); 2994 final int N = subtypes.size(); 2995 for (int i = 0; i < N; ++i) { 2996 // scan overriding implicitly enabled subtypes. 2997 InputMethodSubtype subtype = subtypes.get(i); 2998 if (subtype.overridesImplicitlyEnabledSubtype()) { 2999 final String mode = subtype.getMode(); 3000 if (!applicableModeAndSubtypesMap.containsKey(mode)) { 3001 applicableModeAndSubtypesMap.put(mode, subtype); 3002 } 3003 } 3004 } 3005 if (applicableModeAndSubtypesMap.size() > 0) { 3006 return new ArrayList<InputMethodSubtype>(applicableModeAndSubtypesMap.values()); 3007 } 3008 for (int i = 0; i < N; ++i) { 3009 final InputMethodSubtype subtype = subtypes.get(i); 3010 final String locale = subtype.getLocale(); 3011 final String mode = subtype.getMode(); 3012 // When system locale starts with subtype's locale, that subtype will be applicable 3013 // for system locale 3014 // For instance, it's clearly applicable for cases like system locale = en_US and 3015 // subtype = en, but it is not necessarily considered applicable for cases like system 3016 // locale = en and subtype = en_US. 3017 // We just call systemLocale.startsWith(locale) in this function because there is no 3018 // need to find applicable subtypes aggressively unlike 3019 // findLastResortApplicableSubtypeLocked. 3020 if (systemLocale.startsWith(locale)) { 3021 final InputMethodSubtype applicableSubtype = applicableModeAndSubtypesMap.get(mode); 3022 // If more applicable subtypes are contained, skip. 3023 if (applicableSubtype != null) { 3024 if (systemLocale.equals(applicableSubtype.getLocale())) continue; 3025 if (!systemLocale.equals(locale)) continue; 3026 } 3027 applicableModeAndSubtypesMap.put(mode, subtype); 3028 } 3029 } 3030 final InputMethodSubtype keyboardSubtype 3031 = applicableModeAndSubtypesMap.get(SUBTYPE_MODE_KEYBOARD); 3032 final ArrayList<InputMethodSubtype> applicableSubtypes = new ArrayList<InputMethodSubtype>( 3033 applicableModeAndSubtypesMap.values()); 3034 if (keyboardSubtype != null && !keyboardSubtype.containsExtraValueKey(TAG_ASCII_CAPABLE)) { 3035 for (int i = 0; i < N; ++i) { 3036 final InputMethodSubtype subtype = subtypes.get(i); 3037 final String mode = subtype.getMode(); 3038 if (SUBTYPE_MODE_KEYBOARD.equals(mode) && subtype.containsExtraValueKey( 3039 TAG_ENABLED_WHEN_DEFAULT_IS_NOT_ASCII_CAPABLE)) { 3040 applicableSubtypes.add(subtype); 3041 } 3042 } 3043 } 3044 if (keyboardSubtype == null) { 3045 InputMethodSubtype lastResortKeyboardSubtype = findLastResortApplicableSubtypeLocked( 3046 res, subtypes, SUBTYPE_MODE_KEYBOARD, systemLocale, true); 3047 if (lastResortKeyboardSubtype != null) { 3048 applicableSubtypes.add(lastResortKeyboardSubtype); 3049 } 3050 } 3051 return applicableSubtypes; 3052 } 3053 3054 /** 3055 * If there are no selected subtypes, tries finding the most applicable one according to the 3056 * given locale. 3057 * @param subtypes this function will search the most applicable subtype in subtypes 3058 * @param mode subtypes will be filtered by mode 3059 * @param locale subtypes will be filtered by locale 3060 * @param canIgnoreLocaleAsLastResort if this function can't find the most applicable subtype, 3061 * it will return the first subtype matched with mode 3062 * @return the most applicable subtypeId 3063 */ 3064 private static InputMethodSubtype findLastResortApplicableSubtypeLocked( 3065 Resources res, List<InputMethodSubtype> subtypes, String mode, String locale, 3066 boolean canIgnoreLocaleAsLastResort) { 3067 if (subtypes == null || subtypes.size() == 0) { 3068 return null; 3069 } 3070 if (TextUtils.isEmpty(locale)) { 3071 locale = res.getConfiguration().locale.toString(); 3072 } 3073 final String language = locale.substring(0, 2); 3074 boolean partialMatchFound = false; 3075 InputMethodSubtype applicableSubtype = null; 3076 InputMethodSubtype firstMatchedModeSubtype = null; 3077 final int N = subtypes.size(); 3078 for (int i = 0; i < N; ++i) { 3079 InputMethodSubtype subtype = subtypes.get(i); 3080 final String subtypeLocale = subtype.getLocale(); 3081 // An applicable subtype should match "mode". If mode is null, mode will be ignored, 3082 // and all subtypes with all modes can be candidates. 3083 if (mode == null || subtypes.get(i).getMode().equalsIgnoreCase(mode)) { 3084 if (firstMatchedModeSubtype == null) { 3085 firstMatchedModeSubtype = subtype; 3086 } 3087 if (locale.equals(subtypeLocale)) { 3088 // Exact match (e.g. system locale is "en_US" and subtype locale is "en_US") 3089 applicableSubtype = subtype; 3090 break; 3091 } else if (!partialMatchFound && subtypeLocale.startsWith(language)) { 3092 // Partial match (e.g. system locale is "en_US" and subtype locale is "en") 3093 applicableSubtype = subtype; 3094 partialMatchFound = true; 3095 } 3096 } 3097 } 3098 3099 if (applicableSubtype == null && canIgnoreLocaleAsLastResort) { 3100 return firstMatchedModeSubtype; 3101 } 3102 3103 // The first subtype applicable to the system locale will be defined as the most applicable 3104 // subtype. 3105 if (DEBUG) { 3106 if (applicableSubtype != null) { 3107 Slog.d(TAG, "Applicable InputMethodSubtype was found: " 3108 + applicableSubtype.getMode() + "," + applicableSubtype.getLocale()); 3109 } 3110 } 3111 return applicableSubtype; 3112 } 3113 3114 // If there are no selected shortcuts, tries finding the most applicable ones. 3115 private Pair<InputMethodInfo, InputMethodSubtype> 3116 findLastResortApplicableShortcutInputMethodAndSubtypeLocked(String mode) { 3117 List<InputMethodInfo> imis = mSettings.getEnabledInputMethodListLocked(); 3118 InputMethodInfo mostApplicableIMI = null; 3119 InputMethodSubtype mostApplicableSubtype = null; 3120 boolean foundInSystemIME = false; 3121 3122 // Search applicable subtype for each InputMethodInfo 3123 for (InputMethodInfo imi: imis) { 3124 final String imiId = imi.getId(); 3125 if (foundInSystemIME && !imiId.equals(mCurMethodId)) { 3126 continue; 3127 } 3128 InputMethodSubtype subtype = null; 3129 final List<InputMethodSubtype> enabledSubtypes = 3130 getEnabledInputMethodSubtypeListLocked(imi, true); 3131 // 1. Search by the current subtype's locale from enabledSubtypes. 3132 if (mCurrentSubtype != null) { 3133 subtype = findLastResortApplicableSubtypeLocked( 3134 mRes, enabledSubtypes, mode, mCurrentSubtype.getLocale(), false); 3135 } 3136 // 2. Search by the system locale from enabledSubtypes. 3137 // 3. Search the first enabled subtype matched with mode from enabledSubtypes. 3138 if (subtype == null) { 3139 subtype = findLastResortApplicableSubtypeLocked( 3140 mRes, enabledSubtypes, mode, null, true); 3141 } 3142 final ArrayList<InputMethodSubtype> overridingImplicitlyEnabledSubtypes = 3143 getOverridingImplicitlyEnabledSubtypes(imi, mode); 3144 final ArrayList<InputMethodSubtype> subtypesForSearch = 3145 overridingImplicitlyEnabledSubtypes.isEmpty() 3146 ? getSubtypes(imi) : overridingImplicitlyEnabledSubtypes; 3147 // 4. Search by the current subtype's locale from all subtypes. 3148 if (subtype == null && mCurrentSubtype != null) { 3149 subtype = findLastResortApplicableSubtypeLocked( 3150 mRes, subtypesForSearch, mode, mCurrentSubtype.getLocale(), false); 3151 } 3152 // 5. Search by the system locale from all subtypes. 3153 // 6. Search the first enabled subtype matched with mode from all subtypes. 3154 if (subtype == null) { 3155 subtype = findLastResortApplicableSubtypeLocked( 3156 mRes, subtypesForSearch, mode, null, true); 3157 } 3158 if (subtype != null) { 3159 if (imiId.equals(mCurMethodId)) { 3160 // The current input method is the most applicable IME. 3161 mostApplicableIMI = imi; 3162 mostApplicableSubtype = subtype; 3163 break; 3164 } else if (!foundInSystemIME) { 3165 // The system input method is 2nd applicable IME. 3166 mostApplicableIMI = imi; 3167 mostApplicableSubtype = subtype; 3168 if ((imi.getServiceInfo().applicationInfo.flags 3169 & ApplicationInfo.FLAG_SYSTEM) != 0) { 3170 foundInSystemIME = true; 3171 } 3172 } 3173 } 3174 } 3175 if (DEBUG) { 3176 if (mostApplicableIMI != null) { 3177 Slog.w(TAG, "Most applicable shortcut input method was:" 3178 + mostApplicableIMI.getId()); 3179 if (mostApplicableSubtype != null) { 3180 Slog.w(TAG, "Most applicable shortcut input method subtype was:" 3181 + "," + mostApplicableSubtype.getMode() + "," 3182 + mostApplicableSubtype.getLocale()); 3183 } 3184 } 3185 } 3186 if (mostApplicableIMI != null) { 3187 return new Pair<InputMethodInfo, InputMethodSubtype> (mostApplicableIMI, 3188 mostApplicableSubtype); 3189 } else { 3190 return null; 3191 } 3192 } 3193 3194 /** 3195 * @return Return the current subtype of this input method. 3196 */ 3197 @Override 3198 public InputMethodSubtype getCurrentInputMethodSubtype() { 3199 // TODO: Make this work even for non-current users? 3200 if (!calledFromValidUser()) { 3201 return null; 3202 } 3203 synchronized (mMethodMap) { 3204 return getCurrentInputMethodSubtypeLocked(); 3205 } 3206 } 3207 3208 private InputMethodSubtype getCurrentInputMethodSubtypeLocked() { 3209 if (mCurMethodId == null) { 3210 return null; 3211 } 3212 final boolean subtypeIsSelected = 3213 mSettings.getSelectedInputMethodSubtypeHashCode() != NOT_A_SUBTYPE_ID; 3214 final InputMethodInfo imi = mMethodMap.get(mCurMethodId); 3215 if (imi == null || imi.getSubtypeCount() == 0) { 3216 return null; 3217 } 3218 if (!subtypeIsSelected || mCurrentSubtype == null 3219 || !isValidSubtypeId(imi, mCurrentSubtype.hashCode())) { 3220 int subtypeId = getSelectedInputMethodSubtypeId(mCurMethodId); 3221 if (subtypeId == NOT_A_SUBTYPE_ID) { 3222 // If there are no selected subtypes, the framework will try to find 3223 // the most applicable subtype from explicitly or implicitly enabled 3224 // subtypes. 3225 List<InputMethodSubtype> explicitlyOrImplicitlyEnabledSubtypes = 3226 getEnabledInputMethodSubtypeListLocked(imi, true); 3227 // If there is only one explicitly or implicitly enabled subtype, 3228 // just returns it. 3229 if (explicitlyOrImplicitlyEnabledSubtypes.size() == 1) { 3230 mCurrentSubtype = explicitlyOrImplicitlyEnabledSubtypes.get(0); 3231 } else if (explicitlyOrImplicitlyEnabledSubtypes.size() > 1) { 3232 mCurrentSubtype = findLastResortApplicableSubtypeLocked( 3233 mRes, explicitlyOrImplicitlyEnabledSubtypes, 3234 SUBTYPE_MODE_KEYBOARD, null, true); 3235 if (mCurrentSubtype == null) { 3236 mCurrentSubtype = findLastResortApplicableSubtypeLocked( 3237 mRes, explicitlyOrImplicitlyEnabledSubtypes, null, null, 3238 true); 3239 } 3240 } 3241 } else { 3242 mCurrentSubtype = getSubtypes(imi).get(subtypeId); 3243 } 3244 } 3245 return mCurrentSubtype; 3246 } 3247 3248 private void addShortcutInputMethodAndSubtypes(InputMethodInfo imi, 3249 InputMethodSubtype subtype) { 3250 if (mShortcutInputMethodsAndSubtypes.containsKey(imi)) { 3251 mShortcutInputMethodsAndSubtypes.get(imi).add(subtype); 3252 } else { 3253 ArrayList<InputMethodSubtype> subtypes = new ArrayList<InputMethodSubtype>(); 3254 subtypes.add(subtype); 3255 mShortcutInputMethodsAndSubtypes.put(imi, subtypes); 3256 } 3257 } 3258 3259 // TODO: We should change the return type from List to List<Parcelable> 3260 @SuppressWarnings("rawtypes") 3261 @Override 3262 public List getShortcutInputMethodsAndSubtypes() { 3263 synchronized (mMethodMap) { 3264 ArrayList<Object> ret = new ArrayList<Object>(); 3265 if (mShortcutInputMethodsAndSubtypes.size() == 0) { 3266 // If there are no selected shortcut subtypes, the framework will try to find 3267 // the most applicable subtype from all subtypes whose mode is 3268 // SUBTYPE_MODE_VOICE. This is an exceptional case, so we will hardcode the mode. 3269 Pair<InputMethodInfo, InputMethodSubtype> info = 3270 findLastResortApplicableShortcutInputMethodAndSubtypeLocked( 3271 SUBTYPE_MODE_VOICE); 3272 if (info != null) { 3273 ret.add(info.first); 3274 ret.add(info.second); 3275 } 3276 return ret; 3277 } 3278 for (InputMethodInfo imi: mShortcutInputMethodsAndSubtypes.keySet()) { 3279 ret.add(imi); 3280 for (InputMethodSubtype subtype: mShortcutInputMethodsAndSubtypes.get(imi)) { 3281 ret.add(subtype); 3282 } 3283 } 3284 return ret; 3285 } 3286 } 3287 3288 @Override 3289 public boolean setCurrentInputMethodSubtype(InputMethodSubtype subtype) { 3290 // TODO: Make this work even for non-current users? 3291 if (!calledFromValidUser()) { 3292 return false; 3293 } 3294 synchronized (mMethodMap) { 3295 if (subtype != null && mCurMethodId != null) { 3296 InputMethodInfo imi = mMethodMap.get(mCurMethodId); 3297 int subtypeId = getSubtypeIdFromHashCode(imi, subtype.hashCode()); 3298 if (subtypeId != NOT_A_SUBTYPE_ID) { 3299 setInputMethodLocked(mCurMethodId, subtypeId); 3300 return true; 3301 } 3302 } 3303 return false; 3304 } 3305 } 3306 3307 private static class InputMethodAndSubtypeListManager { 3308 private final Context mContext; 3309 // Used to load label 3310 private final PackageManager mPm; 3311 private final InputMethodManagerService mImms; 3312 private final String mSystemLocaleStr; 3313 public InputMethodAndSubtypeListManager(Context context, InputMethodManagerService imms) { 3314 mContext = context; 3315 mPm = context.getPackageManager(); 3316 mImms = imms; 3317 final Locale locale = context.getResources().getConfiguration().locale; 3318 mSystemLocaleStr = locale != null ? locale.toString() : ""; 3319 } 3320 3321 private final TreeMap<InputMethodInfo, List<InputMethodSubtype>> mSortedImmis = 3322 new TreeMap<InputMethodInfo, List<InputMethodSubtype>>( 3323 new Comparator<InputMethodInfo>() { 3324 @Override 3325 public int compare(InputMethodInfo imi1, InputMethodInfo imi2) { 3326 if (imi2 == null) return 0; 3327 if (imi1 == null) return 1; 3328 if (mPm == null) { 3329 return imi1.getId().compareTo(imi2.getId()); 3330 } 3331 CharSequence imiId1 = imi1.loadLabel(mPm) + "/" + imi1.getId(); 3332 CharSequence imiId2 = imi2.loadLabel(mPm) + "/" + imi2.getId(); 3333 return imiId1.toString().compareTo(imiId2.toString()); 3334 } 3335 }); 3336 3337 public ImeSubtypeListItem getNextInputMethod( 3338 boolean onlyCurrentIme, InputMethodInfo imi, InputMethodSubtype subtype) { 3339 if (imi == null) { 3340 return null; 3341 } 3342 final List<ImeSubtypeListItem> imList = getSortedInputMethodAndSubtypeList(); 3343 if (imList.size() <= 1) { 3344 return null; 3345 } 3346 final int N = imList.size(); 3347 final int currentSubtypeId = subtype != null 3348 ? getSubtypeIdFromHashCode(imi, subtype.hashCode()) 3349 : NOT_A_SUBTYPE_ID; 3350 for (int i = 0; i < N; ++i) { 3351 final ImeSubtypeListItem isli = imList.get(i); 3352 if (isli.mImi.equals(imi) && isli.mSubtypeId == currentSubtypeId) { 3353 if (!onlyCurrentIme) { 3354 return imList.get((i + 1) % N); 3355 } 3356 for (int j = 0; j < N - 1; ++j) { 3357 final ImeSubtypeListItem candidate = imList.get((i + j + 1) % N); 3358 if (candidate.mImi.equals(imi)) { 3359 return candidate; 3360 } 3361 } 3362 return null; 3363 } 3364 } 3365 return null; 3366 } 3367 3368 public List<ImeSubtypeListItem> getSortedInputMethodAndSubtypeList() { 3369 return getSortedInputMethodAndSubtypeList(true, false, false); 3370 } 3371 3372 public List<ImeSubtypeListItem> getSortedInputMethodAndSubtypeList(boolean showSubtypes, 3373 boolean inputShown, boolean isScreenLocked) { 3374 final ArrayList<ImeSubtypeListItem> imList = new ArrayList<ImeSubtypeListItem>(); 3375 final HashMap<InputMethodInfo, List<InputMethodSubtype>> immis = 3376 mImms.getExplicitlyOrImplicitlyEnabledInputMethodsAndSubtypeListLocked(); 3377 if (immis == null || immis.size() == 0) { 3378 return Collections.emptyList(); 3379 } 3380 mSortedImmis.clear(); 3381 mSortedImmis.putAll(immis); 3382 for (InputMethodInfo imi : mSortedImmis.keySet()) { 3383 if (imi == null) continue; 3384 List<InputMethodSubtype> explicitlyOrImplicitlyEnabledSubtypeList = immis.get(imi); 3385 HashSet<String> enabledSubtypeSet = new HashSet<String>(); 3386 for (InputMethodSubtype subtype: explicitlyOrImplicitlyEnabledSubtypeList) { 3387 enabledSubtypeSet.add(String.valueOf(subtype.hashCode())); 3388 } 3389 ArrayList<InputMethodSubtype> subtypes = getSubtypes(imi); 3390 final CharSequence imeLabel = imi.loadLabel(mPm); 3391 if (showSubtypes && enabledSubtypeSet.size() > 0) { 3392 final int subtypeCount = imi.getSubtypeCount(); 3393 if (DEBUG) { 3394 Slog.v(TAG, "Add subtypes: " + subtypeCount + ", " + imi.getId()); 3395 } 3396 for (int j = 0; j < subtypeCount; ++j) { 3397 final InputMethodSubtype subtype = imi.getSubtypeAt(j); 3398 final String subtypeHashCode = String.valueOf(subtype.hashCode()); 3399 // We show all enabled IMEs and subtypes when an IME is shown. 3400 if (enabledSubtypeSet.contains(subtypeHashCode) 3401 && ((inputShown && !isScreenLocked) || !subtype.isAuxiliary())) { 3402 final CharSequence subtypeLabel = 3403 subtype.overridesImplicitlyEnabledSubtype() ? null 3404 : subtype.getDisplayName(mContext, imi.getPackageName(), 3405 imi.getServiceInfo().applicationInfo); 3406 imList.add(new ImeSubtypeListItem(imeLabel, subtypeLabel, imi, j, 3407 subtype.getLocale(), mSystemLocaleStr)); 3408 3409 // Removing this subtype from enabledSubtypeSet because we no longer 3410 // need to add an entry of this subtype to imList to avoid duplicated 3411 // entries. 3412 enabledSubtypeSet.remove(subtypeHashCode); 3413 } 3414 } 3415 } else { 3416 imList.add(new ImeSubtypeListItem(imeLabel, null, imi, NOT_A_SUBTYPE_ID, 3417 null, mSystemLocaleStr)); 3418 } 3419 } 3420 Collections.sort(imList); 3421 return imList; 3422 } 3423 } 3424 3425 /** 3426 * Utility class for putting and getting settings for InputMethod 3427 * TODO: Move all putters and getters of settings to this class. 3428 */ 3429 private static class InputMethodSettings { 3430 // The string for enabled input method is saved as follows: 3431 // example: ("ime0;subtype0;subtype1;subtype2:ime1:ime2;subtype0") 3432 private static final char INPUT_METHOD_SEPARATER = ':'; 3433 private static final char INPUT_METHOD_SUBTYPE_SEPARATER = ';'; 3434 private final TextUtils.SimpleStringSplitter mInputMethodSplitter = 3435 new TextUtils.SimpleStringSplitter(INPUT_METHOD_SEPARATER); 3436 3437 private final TextUtils.SimpleStringSplitter mSubtypeSplitter = 3438 new TextUtils.SimpleStringSplitter(INPUT_METHOD_SUBTYPE_SEPARATER); 3439 3440 private final Resources mRes; 3441 private final ContentResolver mResolver; 3442 private final HashMap<String, InputMethodInfo> mMethodMap; 3443 private final ArrayList<InputMethodInfo> mMethodList; 3444 3445 private String mEnabledInputMethodsStrCache; 3446 private int mCurrentUserId; 3447 3448 private static void buildEnabledInputMethodsSettingString( 3449 StringBuilder builder, Pair<String, ArrayList<String>> pair) { 3450 String id = pair.first; 3451 ArrayList<String> subtypes = pair.second; 3452 builder.append(id); 3453 // Inputmethod and subtypes are saved in the settings as follows: 3454 // ime0;subtype0;subtype1:ime1;subtype0:ime2:ime3;subtype0;subtype1 3455 for (String subtypeId: subtypes) { 3456 builder.append(INPUT_METHOD_SUBTYPE_SEPARATER).append(subtypeId); 3457 } 3458 } 3459 3460 public InputMethodSettings( 3461 Resources res, ContentResolver resolver, 3462 HashMap<String, InputMethodInfo> methodMap, ArrayList<InputMethodInfo> methodList, 3463 int userId) { 3464 setCurrentUserId(userId); 3465 mRes = res; 3466 mResolver = resolver; 3467 mMethodMap = methodMap; 3468 mMethodList = methodList; 3469 } 3470 3471 public void setCurrentUserId(int userId) { 3472 if (DEBUG) { 3473 Slog.d(TAG, "--- Swtich the current user from " + mCurrentUserId + " to " 3474 + userId + ", new ime = " + getSelectedInputMethod()); 3475 } 3476 // IMMS settings are kept per user, so keep track of current user 3477 mCurrentUserId = userId; 3478 } 3479 3480 public List<InputMethodInfo> getEnabledInputMethodListLocked() { 3481 return createEnabledInputMethodListLocked( 3482 getEnabledInputMethodsAndSubtypeListLocked()); 3483 } 3484 3485 public List<Pair<InputMethodInfo, ArrayList<String>>> 3486 getEnabledInputMethodAndSubtypeHashCodeListLocked() { 3487 return createEnabledInputMethodAndSubtypeHashCodeListLocked( 3488 getEnabledInputMethodsAndSubtypeListLocked()); 3489 } 3490 3491 public List<InputMethodSubtype> getEnabledInputMethodSubtypeListLocked( 3492 InputMethodInfo imi) { 3493 List<Pair<String, ArrayList<String>>> imsList = 3494 getEnabledInputMethodsAndSubtypeListLocked(); 3495 ArrayList<InputMethodSubtype> enabledSubtypes = 3496 new ArrayList<InputMethodSubtype>(); 3497 if (imi != null) { 3498 for (Pair<String, ArrayList<String>> imsPair : imsList) { 3499 InputMethodInfo info = mMethodMap.get(imsPair.first); 3500 if (info != null && info.getId().equals(imi.getId())) { 3501 final int subtypeCount = info.getSubtypeCount(); 3502 for (int i = 0; i < subtypeCount; ++i) { 3503 InputMethodSubtype ims = info.getSubtypeAt(i); 3504 for (String s: imsPair.second) { 3505 if (String.valueOf(ims.hashCode()).equals(s)) { 3506 enabledSubtypes.add(ims); 3507 } 3508 } 3509 } 3510 break; 3511 } 3512 } 3513 } 3514 return enabledSubtypes; 3515 } 3516 3517 // At the initial boot, the settings for input methods are not set, 3518 // so we need to enable IME in that case. 3519 public void enableAllIMEsIfThereIsNoEnabledIME() { 3520 if (TextUtils.isEmpty(getEnabledInputMethodsStr())) { 3521 StringBuilder sb = new StringBuilder(); 3522 final int N = mMethodList.size(); 3523 for (int i = 0; i < N; i++) { 3524 InputMethodInfo imi = mMethodList.get(i); 3525 Slog.i(TAG, "Adding: " + imi.getId()); 3526 if (i > 0) sb.append(':'); 3527 sb.append(imi.getId()); 3528 } 3529 putEnabledInputMethodsStr(sb.toString()); 3530 } 3531 } 3532 3533 private List<Pair<String, ArrayList<String>>> getEnabledInputMethodsAndSubtypeListLocked() { 3534 ArrayList<Pair<String, ArrayList<String>>> imsList 3535 = new ArrayList<Pair<String, ArrayList<String>>>(); 3536 final String enabledInputMethodsStr = getEnabledInputMethodsStr(); 3537 if (TextUtils.isEmpty(enabledInputMethodsStr)) { 3538 return imsList; 3539 } 3540 mInputMethodSplitter.setString(enabledInputMethodsStr); 3541 while (mInputMethodSplitter.hasNext()) { 3542 String nextImsStr = mInputMethodSplitter.next(); 3543 mSubtypeSplitter.setString(nextImsStr); 3544 if (mSubtypeSplitter.hasNext()) { 3545 ArrayList<String> subtypeHashes = new ArrayList<String>(); 3546 // The first element is ime id. 3547 String imeId = mSubtypeSplitter.next(); 3548 while (mSubtypeSplitter.hasNext()) { 3549 subtypeHashes.add(mSubtypeSplitter.next()); 3550 } 3551 imsList.add(new Pair<String, ArrayList<String>>(imeId, subtypeHashes)); 3552 } 3553 } 3554 return imsList; 3555 } 3556 3557 public void appendAndPutEnabledInputMethodLocked(String id, boolean reloadInputMethodStr) { 3558 if (reloadInputMethodStr) { 3559 getEnabledInputMethodsStr(); 3560 } 3561 if (TextUtils.isEmpty(mEnabledInputMethodsStrCache)) { 3562 // Add in the newly enabled input method. 3563 putEnabledInputMethodsStr(id); 3564 } else { 3565 putEnabledInputMethodsStr( 3566 mEnabledInputMethodsStrCache + INPUT_METHOD_SEPARATER + id); 3567 } 3568 } 3569 3570 /** 3571 * Build and put a string of EnabledInputMethods with removing specified Id. 3572 * @return the specified id was removed or not. 3573 */ 3574 public boolean buildAndPutEnabledInputMethodsStrRemovingIdLocked( 3575 StringBuilder builder, List<Pair<String, ArrayList<String>>> imsList, String id) { 3576 boolean isRemoved = false; 3577 boolean needsAppendSeparator = false; 3578 for (Pair<String, ArrayList<String>> ims: imsList) { 3579 String curId = ims.first; 3580 if (curId.equals(id)) { 3581 // We are disabling this input method, and it is 3582 // currently enabled. Skip it to remove from the 3583 // new list. 3584 isRemoved = true; 3585 } else { 3586 if (needsAppendSeparator) { 3587 builder.append(INPUT_METHOD_SEPARATER); 3588 } else { 3589 needsAppendSeparator = true; 3590 } 3591 buildEnabledInputMethodsSettingString(builder, ims); 3592 } 3593 } 3594 if (isRemoved) { 3595 // Update the setting with the new list of input methods. 3596 putEnabledInputMethodsStr(builder.toString()); 3597 } 3598 return isRemoved; 3599 } 3600 3601 private List<InputMethodInfo> createEnabledInputMethodListLocked( 3602 List<Pair<String, ArrayList<String>>> imsList) { 3603 final ArrayList<InputMethodInfo> res = new ArrayList<InputMethodInfo>(); 3604 for (Pair<String, ArrayList<String>> ims: imsList) { 3605 InputMethodInfo info = mMethodMap.get(ims.first); 3606 if (info != null) { 3607 res.add(info); 3608 } 3609 } 3610 return res; 3611 } 3612 3613 private List<Pair<InputMethodInfo, ArrayList<String>>> 3614 createEnabledInputMethodAndSubtypeHashCodeListLocked( 3615 List<Pair<String, ArrayList<String>>> imsList) { 3616 final ArrayList<Pair<InputMethodInfo, ArrayList<String>>> res 3617 = new ArrayList<Pair<InputMethodInfo, ArrayList<String>>>(); 3618 for (Pair<String, ArrayList<String>> ims : imsList) { 3619 InputMethodInfo info = mMethodMap.get(ims.first); 3620 if (info != null) { 3621 res.add(new Pair<InputMethodInfo, ArrayList<String>>(info, ims.second)); 3622 } 3623 } 3624 return res; 3625 } 3626 3627 private void putEnabledInputMethodsStr(String str) { 3628 Settings.Secure.putStringForUser( 3629 mResolver, Settings.Secure.ENABLED_INPUT_METHODS, str, mCurrentUserId); 3630 mEnabledInputMethodsStrCache = str; 3631 if (DEBUG) { 3632 Slog.d(TAG, "putEnabledInputMethodStr: " + str); 3633 } 3634 } 3635 3636 private String getEnabledInputMethodsStr() { 3637 mEnabledInputMethodsStrCache = Settings.Secure.getStringForUser( 3638 mResolver, Settings.Secure.ENABLED_INPUT_METHODS, mCurrentUserId); 3639 if (DEBUG) { 3640 Slog.d(TAG, "getEnabledInputMethodsStr: " + mEnabledInputMethodsStrCache 3641 + ", " + mCurrentUserId); 3642 } 3643 return mEnabledInputMethodsStrCache; 3644 } 3645 3646 private void saveSubtypeHistory( 3647 List<Pair<String, String>> savedImes, String newImeId, String newSubtypeId) { 3648 StringBuilder builder = new StringBuilder(); 3649 boolean isImeAdded = false; 3650 if (!TextUtils.isEmpty(newImeId) && !TextUtils.isEmpty(newSubtypeId)) { 3651 builder.append(newImeId).append(INPUT_METHOD_SUBTYPE_SEPARATER).append( 3652 newSubtypeId); 3653 isImeAdded = true; 3654 } 3655 for (Pair<String, String> ime: savedImes) { 3656 String imeId = ime.first; 3657 String subtypeId = ime.second; 3658 if (TextUtils.isEmpty(subtypeId)) { 3659 subtypeId = NOT_A_SUBTYPE_ID_STR; 3660 } 3661 if (isImeAdded) { 3662 builder.append(INPUT_METHOD_SEPARATER); 3663 } else { 3664 isImeAdded = true; 3665 } 3666 builder.append(imeId).append(INPUT_METHOD_SUBTYPE_SEPARATER).append( 3667 subtypeId); 3668 } 3669 // Remove the last INPUT_METHOD_SEPARATER 3670 putSubtypeHistoryStr(builder.toString()); 3671 } 3672 3673 public void addSubtypeToHistory(String imeId, String subtypeId) { 3674 List<Pair<String, String>> subtypeHistory = loadInputMethodAndSubtypeHistoryLocked(); 3675 for (Pair<String, String> ime: subtypeHistory) { 3676 if (ime.first.equals(imeId)) { 3677 if (DEBUG) { 3678 Slog.v(TAG, "Subtype found in the history: " + imeId + ", " 3679 + ime.second); 3680 } 3681 // We should break here 3682 subtypeHistory.remove(ime); 3683 break; 3684 } 3685 } 3686 if (DEBUG) { 3687 Slog.v(TAG, "Add subtype to the history: " + imeId + ", " + subtypeId); 3688 } 3689 saveSubtypeHistory(subtypeHistory, imeId, subtypeId); 3690 } 3691 3692 private void putSubtypeHistoryStr(String str) { 3693 if (DEBUG) { 3694 Slog.d(TAG, "putSubtypeHistoryStr: " + str); 3695 } 3696 Settings.Secure.putStringForUser( 3697 mResolver, Settings.Secure.INPUT_METHODS_SUBTYPE_HISTORY, str, mCurrentUserId); 3698 } 3699 3700 public Pair<String, String> getLastInputMethodAndSubtypeLocked() { 3701 // Gets the first one from the history 3702 return getLastSubtypeForInputMethodLockedInternal(null); 3703 } 3704 3705 public String getLastSubtypeForInputMethodLocked(String imeId) { 3706 Pair<String, String> ime = getLastSubtypeForInputMethodLockedInternal(imeId); 3707 if (ime != null) { 3708 return ime.second; 3709 } else { 3710 return null; 3711 } 3712 } 3713 3714 private Pair<String, String> getLastSubtypeForInputMethodLockedInternal(String imeId) { 3715 List<Pair<String, ArrayList<String>>> enabledImes = 3716 getEnabledInputMethodsAndSubtypeListLocked(); 3717 List<Pair<String, String>> subtypeHistory = loadInputMethodAndSubtypeHistoryLocked(); 3718 for (Pair<String, String> imeAndSubtype : subtypeHistory) { 3719 final String imeInTheHistory = imeAndSubtype.first; 3720 // If imeId is empty, returns the first IME and subtype in the history 3721 if (TextUtils.isEmpty(imeId) || imeInTheHistory.equals(imeId)) { 3722 final String subtypeInTheHistory = imeAndSubtype.second; 3723 final String subtypeHashCode = 3724 getEnabledSubtypeHashCodeForInputMethodAndSubtypeLocked( 3725 enabledImes, imeInTheHistory, subtypeInTheHistory); 3726 if (!TextUtils.isEmpty(subtypeHashCode)) { 3727 if (DEBUG) { 3728 Slog.d(TAG, "Enabled subtype found in the history: " + subtypeHashCode); 3729 } 3730 return new Pair<String, String>(imeInTheHistory, subtypeHashCode); 3731 } 3732 } 3733 } 3734 if (DEBUG) { 3735 Slog.d(TAG, "No enabled IME found in the history"); 3736 } 3737 return null; 3738 } 3739 3740 private String getEnabledSubtypeHashCodeForInputMethodAndSubtypeLocked(List<Pair<String, 3741 ArrayList<String>>> enabledImes, String imeId, String subtypeHashCode) { 3742 for (Pair<String, ArrayList<String>> enabledIme: enabledImes) { 3743 if (enabledIme.first.equals(imeId)) { 3744 final ArrayList<String> explicitlyEnabledSubtypes = enabledIme.second; 3745 final InputMethodInfo imi = mMethodMap.get(imeId); 3746 if (explicitlyEnabledSubtypes.size() == 0) { 3747 // If there are no explicitly enabled subtypes, applicable subtypes are 3748 // enabled implicitly. 3749 // If IME is enabled and no subtypes are enabled, applicable subtypes 3750 // are enabled implicitly, so needs to treat them to be enabled. 3751 if (imi != null && imi.getSubtypeCount() > 0) { 3752 List<InputMethodSubtype> implicitlySelectedSubtypes = 3753 getImplicitlyApplicableSubtypesLocked(mRes, imi); 3754 if (implicitlySelectedSubtypes != null) { 3755 final int N = implicitlySelectedSubtypes.size(); 3756 for (int i = 0; i < N; ++i) { 3757 final InputMethodSubtype st = implicitlySelectedSubtypes.get(i); 3758 if (String.valueOf(st.hashCode()).equals(subtypeHashCode)) { 3759 return subtypeHashCode; 3760 } 3761 } 3762 } 3763 } 3764 } else { 3765 for (String s: explicitlyEnabledSubtypes) { 3766 if (s.equals(subtypeHashCode)) { 3767 // If both imeId and subtypeId are enabled, return subtypeId. 3768 try { 3769 final int hashCode = Integer.valueOf(subtypeHashCode); 3770 // Check whether the subtype id is valid or not 3771 if (isValidSubtypeId(imi, hashCode)) { 3772 return s; 3773 } else { 3774 return NOT_A_SUBTYPE_ID_STR; 3775 } 3776 } catch (NumberFormatException e) { 3777 return NOT_A_SUBTYPE_ID_STR; 3778 } 3779 } 3780 } 3781 } 3782 // If imeId was enabled but subtypeId was disabled. 3783 return NOT_A_SUBTYPE_ID_STR; 3784 } 3785 } 3786 // If both imeId and subtypeId are disabled, return null 3787 return null; 3788 } 3789 3790 private List<Pair<String, String>> loadInputMethodAndSubtypeHistoryLocked() { 3791 ArrayList<Pair<String, String>> imsList = new ArrayList<Pair<String, String>>(); 3792 final String subtypeHistoryStr = getSubtypeHistoryStr(); 3793 if (TextUtils.isEmpty(subtypeHistoryStr)) { 3794 return imsList; 3795 } 3796 mInputMethodSplitter.setString(subtypeHistoryStr); 3797 while (mInputMethodSplitter.hasNext()) { 3798 String nextImsStr = mInputMethodSplitter.next(); 3799 mSubtypeSplitter.setString(nextImsStr); 3800 if (mSubtypeSplitter.hasNext()) { 3801 String subtypeId = NOT_A_SUBTYPE_ID_STR; 3802 // The first element is ime id. 3803 String imeId = mSubtypeSplitter.next(); 3804 while (mSubtypeSplitter.hasNext()) { 3805 subtypeId = mSubtypeSplitter.next(); 3806 break; 3807 } 3808 imsList.add(new Pair<String, String>(imeId, subtypeId)); 3809 } 3810 } 3811 return imsList; 3812 } 3813 3814 private String getSubtypeHistoryStr() { 3815 if (DEBUG) { 3816 Slog.d(TAG, "getSubtypeHistoryStr: " + Settings.Secure.getStringForUser( 3817 mResolver, Settings.Secure.INPUT_METHODS_SUBTYPE_HISTORY, mCurrentUserId)); 3818 } 3819 return Settings.Secure.getStringForUser( 3820 mResolver, Settings.Secure.INPUT_METHODS_SUBTYPE_HISTORY, mCurrentUserId); 3821 } 3822 3823 public void putSelectedInputMethod(String imeId) { 3824 if (DEBUG) { 3825 Slog.d(TAG, "putSelectedInputMethodStr: " + imeId + ", " 3826 + mCurrentUserId); 3827 } 3828 Settings.Secure.putStringForUser( 3829 mResolver, Settings.Secure.DEFAULT_INPUT_METHOD, imeId, mCurrentUserId); 3830 } 3831 3832 public void putSelectedSubtype(int subtypeId) { 3833 if (DEBUG) { 3834 Slog.d(TAG, "putSelectedInputMethodSubtypeStr: " + subtypeId + ", " 3835 + mCurrentUserId); 3836 } 3837 Settings.Secure.putIntForUser(mResolver, Settings.Secure.SELECTED_INPUT_METHOD_SUBTYPE, 3838 subtypeId, mCurrentUserId); 3839 } 3840 3841 public String getDisabledSystemInputMethods() { 3842 return Settings.Secure.getStringForUser( 3843 mResolver, Settings.Secure.DISABLED_SYSTEM_INPUT_METHODS, mCurrentUserId); 3844 } 3845 3846 public String getSelectedInputMethod() { 3847 if (DEBUG) { 3848 Slog.d(TAG, "getSelectedInputMethodStr: " + Settings.Secure.getStringForUser( 3849 mResolver, Settings.Secure.DEFAULT_INPUT_METHOD, mCurrentUserId) 3850 + ", " + mCurrentUserId); 3851 } 3852 return Settings.Secure.getStringForUser( 3853 mResolver, Settings.Secure.DEFAULT_INPUT_METHOD, mCurrentUserId); 3854 } 3855 3856 public int getSelectedInputMethodSubtypeHashCode() { 3857 try { 3858 return Settings.Secure.getIntForUser( 3859 mResolver, Settings.Secure.SELECTED_INPUT_METHOD_SUBTYPE, mCurrentUserId); 3860 } catch (SettingNotFoundException e) { 3861 return NOT_A_SUBTYPE_ID; 3862 } 3863 } 3864 3865 public int getCurrentUserId() { 3866 return mCurrentUserId; 3867 } 3868 } 3869 3870 // TODO: Cache the state for each user and reset when the cached user is removed. 3871 private static class InputMethodFileManager { 3872 private static final String SYSTEM_PATH = "system"; 3873 private static final String INPUT_METHOD_PATH = "inputmethod"; 3874 private static final String ADDITIONAL_SUBTYPES_FILE_NAME = "subtypes.xml"; 3875 private static final String NODE_SUBTYPES = "subtypes"; 3876 private static final String NODE_SUBTYPE = "subtype"; 3877 private static final String NODE_IMI = "imi"; 3878 private static final String ATTR_ID = "id"; 3879 private static final String ATTR_LABEL = "label"; 3880 private static final String ATTR_ICON = "icon"; 3881 private static final String ATTR_IME_SUBTYPE_LOCALE = "imeSubtypeLocale"; 3882 private static final String ATTR_IME_SUBTYPE_MODE = "imeSubtypeMode"; 3883 private static final String ATTR_IME_SUBTYPE_EXTRA_VALUE = "imeSubtypeExtraValue"; 3884 private static final String ATTR_IS_AUXILIARY = "isAuxiliary"; 3885 private final AtomicFile mAdditionalInputMethodSubtypeFile; 3886 private final HashMap<String, InputMethodInfo> mMethodMap; 3887 private final HashMap<String, List<InputMethodSubtype>> mAdditionalSubtypesMap = 3888 new HashMap<String, List<InputMethodSubtype>>(); 3889 public InputMethodFileManager(HashMap<String, InputMethodInfo> methodMap, int userId) { 3890 if (methodMap == null) { 3891 throw new NullPointerException("methodMap is null"); 3892 } 3893 mMethodMap = methodMap; 3894 final File systemDir = userId == UserHandle.USER_OWNER 3895 ? new File(Environment.getDataDirectory(), SYSTEM_PATH) 3896 : Environment.getUserSystemDirectory(userId); 3897 final File inputMethodDir = new File(systemDir, INPUT_METHOD_PATH); 3898 if (!inputMethodDir.mkdirs()) { 3899 Slog.w(TAG, "Couldn't create dir.: " + inputMethodDir.getAbsolutePath()); 3900 } 3901 final File subtypeFile = new File(inputMethodDir, ADDITIONAL_SUBTYPES_FILE_NAME); 3902 mAdditionalInputMethodSubtypeFile = new AtomicFile(subtypeFile); 3903 if (!subtypeFile.exists()) { 3904 // If "subtypes.xml" doesn't exist, create a blank file. 3905 writeAdditionalInputMethodSubtypes( 3906 mAdditionalSubtypesMap, mAdditionalInputMethodSubtypeFile, methodMap); 3907 } else { 3908 readAdditionalInputMethodSubtypes( 3909 mAdditionalSubtypesMap, mAdditionalInputMethodSubtypeFile); 3910 } 3911 } 3912 3913 private void deleteAllInputMethodSubtypes(String imiId) { 3914 synchronized (mMethodMap) { 3915 mAdditionalSubtypesMap.remove(imiId); 3916 writeAdditionalInputMethodSubtypes( 3917 mAdditionalSubtypesMap, mAdditionalInputMethodSubtypeFile, mMethodMap); 3918 } 3919 } 3920 3921 public void addInputMethodSubtypes( 3922 InputMethodInfo imi, InputMethodSubtype[] additionalSubtypes) { 3923 synchronized (mMethodMap) { 3924 final ArrayList<InputMethodSubtype> subtypes = new ArrayList<InputMethodSubtype>(); 3925 final int N = additionalSubtypes.length; 3926 for (int i = 0; i < N; ++i) { 3927 final InputMethodSubtype subtype = additionalSubtypes[i]; 3928 if (!subtypes.contains(subtype)) { 3929 subtypes.add(subtype); 3930 } else { 3931 Slog.w(TAG, "Duplicated subtype definition found: " 3932 + subtype.getLocale() + ", " + subtype.getMode()); 3933 } 3934 } 3935 mAdditionalSubtypesMap.put(imi.getId(), subtypes); 3936 writeAdditionalInputMethodSubtypes( 3937 mAdditionalSubtypesMap, mAdditionalInputMethodSubtypeFile, mMethodMap); 3938 } 3939 } 3940 3941 public HashMap<String, List<InputMethodSubtype>> getAllAdditionalInputMethodSubtypes() { 3942 synchronized (mMethodMap) { 3943 return mAdditionalSubtypesMap; 3944 } 3945 } 3946 3947 private static void writeAdditionalInputMethodSubtypes( 3948 HashMap<String, List<InputMethodSubtype>> allSubtypes, AtomicFile subtypesFile, 3949 HashMap<String, InputMethodInfo> methodMap) { 3950 // Safety net for the case that this function is called before methodMap is set. 3951 final boolean isSetMethodMap = methodMap != null && methodMap.size() > 0; 3952 FileOutputStream fos = null; 3953 try { 3954 fos = subtypesFile.startWrite(); 3955 final XmlSerializer out = new FastXmlSerializer(); 3956 out.setOutput(fos, "utf-8"); 3957 out.startDocument(null, true); 3958 out.setFeature("http://xmlpull.org/v1/doc/features.html#indent-output", true); 3959 out.startTag(null, NODE_SUBTYPES); 3960 for (String imiId : allSubtypes.keySet()) { 3961 if (isSetMethodMap && !methodMap.containsKey(imiId)) { 3962 Slog.w(TAG, "IME uninstalled or not valid.: " + imiId); 3963 continue; 3964 } 3965 out.startTag(null, NODE_IMI); 3966 out.attribute(null, ATTR_ID, imiId); 3967 final List<InputMethodSubtype> subtypesList = allSubtypes.get(imiId); 3968 final int N = subtypesList.size(); 3969 for (int i = 0; i < N; ++i) { 3970 final InputMethodSubtype subtype = subtypesList.get(i); 3971 out.startTag(null, NODE_SUBTYPE); 3972 out.attribute(null, ATTR_ICON, String.valueOf(subtype.getIconResId())); 3973 out.attribute(null, ATTR_LABEL, String.valueOf(subtype.getNameResId())); 3974 out.attribute(null, ATTR_IME_SUBTYPE_LOCALE, subtype.getLocale()); 3975 out.attribute(null, ATTR_IME_SUBTYPE_MODE, subtype.getMode()); 3976 out.attribute(null, ATTR_IME_SUBTYPE_EXTRA_VALUE, subtype.getExtraValue()); 3977 out.attribute(null, ATTR_IS_AUXILIARY, 3978 String.valueOf(subtype.isAuxiliary() ? 1 : 0)); 3979 out.endTag(null, NODE_SUBTYPE); 3980 } 3981 out.endTag(null, NODE_IMI); 3982 } 3983 out.endTag(null, NODE_SUBTYPES); 3984 out.endDocument(); 3985 subtypesFile.finishWrite(fos); 3986 } catch (java.io.IOException e) { 3987 Slog.w(TAG, "Error writing subtypes", e); 3988 if (fos != null) { 3989 subtypesFile.failWrite(fos); 3990 } 3991 } 3992 } 3993 3994 private static void readAdditionalInputMethodSubtypes( 3995 HashMap<String, List<InputMethodSubtype>> allSubtypes, AtomicFile subtypesFile) { 3996 if (allSubtypes == null || subtypesFile == null) return; 3997 allSubtypes.clear(); 3998 FileInputStream fis = null; 3999 try { 4000 fis = subtypesFile.openRead(); 4001 final XmlPullParser parser = Xml.newPullParser(); 4002 parser.setInput(fis, null); 4003 int type = parser.getEventType(); 4004 // Skip parsing until START_TAG 4005 while ((type = parser.next()) != XmlPullParser.START_TAG 4006 && type != XmlPullParser.END_DOCUMENT) {} 4007 String firstNodeName = parser.getName(); 4008 if (!NODE_SUBTYPES.equals(firstNodeName)) { 4009 throw new XmlPullParserException("Xml doesn't start with subtypes"); 4010 } 4011 final int depth =parser.getDepth(); 4012 String currentImiId = null; 4013 ArrayList<InputMethodSubtype> tempSubtypesArray = null; 4014 while (((type = parser.next()) != XmlPullParser.END_TAG 4015 || parser.getDepth() > depth) && type != XmlPullParser.END_DOCUMENT) { 4016 if (type != XmlPullParser.START_TAG) 4017 continue; 4018 final String nodeName = parser.getName(); 4019 if (NODE_IMI.equals(nodeName)) { 4020 currentImiId = parser.getAttributeValue(null, ATTR_ID); 4021 if (TextUtils.isEmpty(currentImiId)) { 4022 Slog.w(TAG, "Invalid imi id found in subtypes.xml"); 4023 continue; 4024 } 4025 tempSubtypesArray = new ArrayList<InputMethodSubtype>(); 4026 allSubtypes.put(currentImiId, tempSubtypesArray); 4027 } else if (NODE_SUBTYPE.equals(nodeName)) { 4028 if (TextUtils.isEmpty(currentImiId) || tempSubtypesArray == null) { 4029 Slog.w(TAG, "IME uninstalled or not valid.: " + currentImiId); 4030 continue; 4031 } 4032 final int icon = Integer.valueOf( 4033 parser.getAttributeValue(null, ATTR_ICON)); 4034 final int label = Integer.valueOf( 4035 parser.getAttributeValue(null, ATTR_LABEL)); 4036 final String imeSubtypeLocale = 4037 parser.getAttributeValue(null, ATTR_IME_SUBTYPE_LOCALE); 4038 final String imeSubtypeMode = 4039 parser.getAttributeValue(null, ATTR_IME_SUBTYPE_MODE); 4040 final String imeSubtypeExtraValue = 4041 parser.getAttributeValue(null, ATTR_IME_SUBTYPE_EXTRA_VALUE); 4042 final boolean isAuxiliary = "1".equals(String.valueOf( 4043 parser.getAttributeValue(null, ATTR_IS_AUXILIARY))); 4044 final InputMethodSubtype subtype = 4045 new InputMethodSubtype(label, icon, imeSubtypeLocale, 4046 imeSubtypeMode, imeSubtypeExtraValue, isAuxiliary); 4047 tempSubtypesArray.add(subtype); 4048 } 4049 } 4050 } catch (XmlPullParserException e) { 4051 Slog.w(TAG, "Error reading subtypes: " + e); 4052 return; 4053 } catch (java.io.IOException e) { 4054 Slog.w(TAG, "Error reading subtypes: " + e); 4055 return; 4056 } catch (NumberFormatException e) { 4057 Slog.w(TAG, "Error reading subtypes: " + e); 4058 return; 4059 } finally { 4060 if (fis != null) { 4061 try { 4062 fis.close(); 4063 } catch (java.io.IOException e1) { 4064 Slog.w(TAG, "Failed to close."); 4065 } 4066 } 4067 } 4068 } 4069 } 4070 4071 // ---------------------------------------------------------------------- 4072 // Utilities for debug 4073 private static String getStackTrace() { 4074 final StringBuilder sb = new StringBuilder(); 4075 try { 4076 throw new RuntimeException(); 4077 } catch (RuntimeException e) { 4078 final StackTraceElement[] frames = e.getStackTrace(); 4079 // Start at 1 because the first frame is here and we don't care about it 4080 for (int j = 1; j < frames.length; ++j) { 4081 sb.append(frames[j].toString() + "\n"); 4082 } 4083 } 4084 return sb.toString(); 4085 } 4086 4087 @Override 4088 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 4089 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 4090 != PackageManager.PERMISSION_GRANTED) { 4091 4092 pw.println("Permission Denial: can't dump InputMethodManager from from pid=" 4093 + Binder.getCallingPid() 4094 + ", uid=" + Binder.getCallingUid()); 4095 return; 4096 } 4097 4098 IInputMethod method; 4099 ClientState client; 4100 4101 final Printer p = new PrintWriterPrinter(pw); 4102 4103 synchronized (mMethodMap) { 4104 p.println("Current Input Method Manager state:"); 4105 int N = mMethodList.size(); 4106 p.println(" Input Methods:"); 4107 for (int i=0; i<N; i++) { 4108 InputMethodInfo info = mMethodList.get(i); 4109 p.println(" InputMethod #" + i + ":"); 4110 info.dump(p, " "); 4111 } 4112 p.println(" Clients:"); 4113 for (ClientState ci : mClients.values()) { 4114 p.println(" Client " + ci + ":"); 4115 p.println(" client=" + ci.client); 4116 p.println(" inputContext=" + ci.inputContext); 4117 p.println(" sessionRequested=" + ci.sessionRequested); 4118 p.println(" curSession=" + ci.curSession); 4119 } 4120 p.println(" mCurMethodId=" + mCurMethodId); 4121 client = mCurClient; 4122 p.println(" mCurClient=" + client + " mCurSeq=" + mCurSeq); 4123 p.println(" mCurFocusedWindow=" + mCurFocusedWindow); 4124 p.println(" mCurId=" + mCurId + " mHaveConnect=" + mHaveConnection 4125 + " mBoundToMethod=" + mBoundToMethod); 4126 p.println(" mCurToken=" + mCurToken); 4127 p.println(" mCurIntent=" + mCurIntent); 4128 method = mCurMethod; 4129 p.println(" mCurMethod=" + mCurMethod); 4130 p.println(" mEnabledSession=" + mEnabledSession); 4131 p.println(" mShowRequested=" + mShowRequested 4132 + " mShowExplicitlyRequested=" + mShowExplicitlyRequested 4133 + " mShowForced=" + mShowForced 4134 + " mInputShown=" + mInputShown); 4135 p.println(" mSystemReady=" + mSystemReady + " mScreenOn=" + mScreenOn); 4136 } 4137 4138 p.println(" "); 4139 if (client != null) { 4140 pw.flush(); 4141 try { 4142 client.client.asBinder().dump(fd, args); 4143 } catch (RemoteException e) { 4144 p.println("Input method client dead: " + e); 4145 } 4146 } else { 4147 p.println("No input method client."); 4148 } 4149 4150 p.println(" "); 4151 if (method != null) { 4152 pw.flush(); 4153 try { 4154 method.asBinder().dump(fd, args); 4155 } catch (RemoteException e) { 4156 p.println("Input method service dead: " + e); 4157 } 4158 } else { 4159 p.println("No input method service."); 4160 } 4161 } 4162} 4163