InputMethodManagerService.java revision 7987a3172b0502ea70a26d80e7cd16ca7e460035
1/* 2 * 3 * Licensed under the Apache License, Version 2.0 (the "License"); you may not 4 * use this file except in compliance with the License. You may obtain a copy of 5 * the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT 11 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the 12 * License for the specific language governing permissions and limitations under 13 * the License. 14 */ 15 16package com.android.server; 17 18import com.android.internal.content.PackageMonitor; 19import com.android.internal.inputmethod.InputMethodUtils; 20import com.android.internal.inputmethod.InputMethodUtils.InputMethodSettings; 21import com.android.internal.os.HandlerCaller; 22import com.android.internal.os.SomeArgs; 23import com.android.internal.util.FastXmlSerializer; 24import com.android.internal.view.IInputContext; 25import com.android.internal.view.IInputMethod; 26import com.android.internal.view.IInputSessionCallback; 27import com.android.internal.view.IInputMethodClient; 28import com.android.internal.view.IInputMethodManager; 29import com.android.internal.view.IInputMethodSession; 30import com.android.internal.view.InputBindResult; 31import com.android.server.EventLogTags; 32import com.android.server.wm.WindowManagerService; 33 34import org.xmlpull.v1.XmlPullParser; 35import org.xmlpull.v1.XmlPullParserException; 36import org.xmlpull.v1.XmlSerializer; 37 38import android.app.ActivityManagerNative; 39import android.app.AppGlobals; 40import android.app.AlertDialog; 41import android.app.IUserSwitchObserver; 42import android.app.KeyguardManager; 43import android.app.Notification; 44import android.app.NotificationManager; 45import android.app.PendingIntent; 46import android.content.BroadcastReceiver; 47import android.content.ComponentName; 48import android.content.ContentResolver; 49import android.content.Context; 50import android.content.DialogInterface; 51import android.content.DialogInterface.OnCancelListener; 52import android.content.Intent; 53import android.content.IntentFilter; 54import android.content.ServiceConnection; 55import android.content.pm.ApplicationInfo; 56import android.content.pm.IPackageManager; 57import android.content.pm.PackageManager; 58import android.content.pm.ResolveInfo; 59import android.content.pm.ServiceInfo; 60import android.content.res.Configuration; 61import android.content.res.Resources; 62import android.content.res.TypedArray; 63import android.database.ContentObserver; 64import android.inputmethodservice.InputMethodService; 65import android.os.Binder; 66import android.os.Environment; 67import android.os.Handler; 68import android.os.IBinder; 69import android.os.IInterface; 70import android.os.IRemoteCallback; 71import android.os.Message; 72import android.os.Process; 73import android.os.Parcel; 74import android.os.RemoteException; 75import android.os.ResultReceiver; 76import android.os.ServiceManager; 77import android.os.SystemClock; 78import android.os.UserHandle; 79import android.provider.Settings; 80import android.text.TextUtils; 81import android.text.style.SuggestionSpan; 82import android.util.AtomicFile; 83import android.util.EventLog; 84import android.util.LruCache; 85import android.util.Pair; 86import android.util.PrintWriterPrinter; 87import android.util.Printer; 88import android.util.Slog; 89import android.util.Xml; 90import android.view.IWindowManager; 91import android.view.InputChannel; 92import android.view.LayoutInflater; 93import android.view.View; 94import android.view.ViewGroup; 95import android.view.WindowManager; 96import android.view.inputmethod.EditorInfo; 97import android.view.inputmethod.InputBinding; 98import android.view.inputmethod.InputMethod; 99import android.view.inputmethod.InputMethodInfo; 100import android.view.inputmethod.InputMethodManager; 101import android.view.inputmethod.InputMethodSubtype; 102import android.widget.ArrayAdapter; 103import android.widget.CompoundButton; 104import android.widget.CompoundButton.OnCheckedChangeListener; 105import android.widget.RadioButton; 106import android.widget.Switch; 107import android.widget.TextView; 108 109import java.io.File; 110import java.io.FileDescriptor; 111import java.io.FileInputStream; 112import java.io.FileOutputStream; 113import java.io.IOException; 114import java.io.PrintWriter; 115import java.util.ArrayList; 116import java.util.Collections; 117import java.util.Comparator; 118import java.util.HashMap; 119import java.util.HashSet; 120import java.util.List; 121import java.util.Locale; 122import java.util.TreeMap; 123 124/** 125 * This class provides a system service that manages input methods. 126 */ 127public class InputMethodManagerService extends IInputMethodManager.Stub 128 implements ServiceConnection, Handler.Callback { 129 static final boolean DEBUG = false; 130 static final String TAG = "InputMethodManagerService"; 131 132 static final int MSG_SHOW_IM_PICKER = 1; 133 static final int MSG_SHOW_IM_SUBTYPE_PICKER = 2; 134 static final int MSG_SHOW_IM_SUBTYPE_ENABLER = 3; 135 static final int MSG_SHOW_IM_CONFIG = 4; 136 137 static final int MSG_UNBIND_INPUT = 1000; 138 static final int MSG_BIND_INPUT = 1010; 139 static final int MSG_SHOW_SOFT_INPUT = 1020; 140 static final int MSG_HIDE_SOFT_INPUT = 1030; 141 static final int MSG_ATTACH_TOKEN = 1040; 142 static final int MSG_CREATE_SESSION = 1050; 143 144 static final int MSG_START_INPUT = 2000; 145 static final int MSG_RESTART_INPUT = 2010; 146 147 static final int MSG_UNBIND_METHOD = 3000; 148 static final int MSG_BIND_METHOD = 3010; 149 static final int MSG_SET_ACTIVE = 3020; 150 151 static final int MSG_HARD_KEYBOARD_SWITCH_CHANGED = 4000; 152 153 static final long TIME_TO_RECONNECT = 10*1000; 154 155 static final int SECURE_SUGGESTION_SPANS_MAX_SIZE = 20; 156 157 private static final int NOT_A_SUBTYPE_ID = InputMethodUtils.NOT_A_SUBTYPE_ID; 158 private static final String TAG_TRY_SUPPRESSING_IME_SWITCHER = "TrySuppressingImeSwitcher"; 159 160 161 final Context mContext; 162 final Resources mRes; 163 final Handler mHandler; 164 final InputMethodSettings mSettings; 165 final SettingsObserver mSettingsObserver; 166 final IWindowManager mIWindowManager; 167 final HandlerCaller mCaller; 168 final boolean mHasFeature; 169 private InputMethodFileManager mFileManager; 170 private InputMethodAndSubtypeListManager mImListManager; 171 private final HardKeyboardListener mHardKeyboardListener; 172 private final WindowManagerService mWindowManagerService; 173 174 final InputBindResult mNoBinding = new InputBindResult(null, null, null, -1); 175 176 // All known input methods. mMethodMap also serves as the global 177 // lock for this class. 178 final ArrayList<InputMethodInfo> mMethodList = new ArrayList<InputMethodInfo>(); 179 final HashMap<String, InputMethodInfo> mMethodMap = new HashMap<String, InputMethodInfo>(); 180 private final LruCache<SuggestionSpan, InputMethodInfo> mSecureSuggestionSpans = 181 new LruCache<SuggestionSpan, InputMethodInfo>(SECURE_SUGGESTION_SPANS_MAX_SIZE); 182 183 // Used to bring IME service up to visible adjustment while it is being shown. 184 final ServiceConnection mVisibleConnection = new ServiceConnection() { 185 @Override public void onServiceConnected(ComponentName name, IBinder service) { 186 } 187 188 @Override public void onServiceDisconnected(ComponentName name) { 189 } 190 }; 191 boolean mVisibleBound = false; 192 193 // Ongoing notification 194 private NotificationManager mNotificationManager; 195 private KeyguardManager mKeyguardManager; 196 private StatusBarManagerService mStatusBar; 197 private Notification mImeSwitcherNotification; 198 private PendingIntent mImeSwitchPendingIntent; 199 private boolean mShowOngoingImeSwitcherForPhones; 200 private boolean mNotificationShown; 201 private final boolean mImeSelectedOnBoot; 202 203 class SessionState { 204 final ClientState client; 205 final IInputMethod method; 206 207 IInputMethodSession session; 208 InputChannel channel; 209 210 @Override 211 public String toString() { 212 return "SessionState{uid " + client.uid + " pid " + client.pid 213 + " method " + Integer.toHexString( 214 System.identityHashCode(method)) 215 + " session " + Integer.toHexString( 216 System.identityHashCode(session)) 217 + " channel " + channel 218 + "}"; 219 } 220 221 SessionState(ClientState _client, IInputMethod _method, 222 IInputMethodSession _session, InputChannel _channel) { 223 client = _client; 224 method = _method; 225 session = _session; 226 channel = _channel; 227 } 228 } 229 230 static final class ClientState { 231 final IInputMethodClient client; 232 final IInputContext inputContext; 233 final int uid; 234 final int pid; 235 final InputBinding binding; 236 237 boolean sessionRequested; 238 SessionState curSession; 239 240 @Override 241 public String toString() { 242 return "ClientState{" + Integer.toHexString( 243 System.identityHashCode(this)) + " uid " + uid 244 + " pid " + pid + "}"; 245 } 246 247 ClientState(IInputMethodClient _client, IInputContext _inputContext, 248 int _uid, int _pid) { 249 client = _client; 250 inputContext = _inputContext; 251 uid = _uid; 252 pid = _pid; 253 binding = new InputBinding(null, inputContext.asBinder(), uid, pid); 254 } 255 } 256 257 final HashMap<IBinder, ClientState> mClients 258 = new HashMap<IBinder, ClientState>(); 259 260 /** 261 * Set once the system is ready to run third party code. 262 */ 263 boolean mSystemReady; 264 265 /** 266 * Id of the currently selected input method. 267 */ 268 String mCurMethodId; 269 270 /** 271 * The current binding sequence number, incremented every time there is 272 * a new bind performed. 273 */ 274 int mCurSeq; 275 276 /** 277 * The client that is currently bound to an input method. 278 */ 279 ClientState mCurClient; 280 281 /** 282 * The last window token that gained focus. 283 */ 284 IBinder mCurFocusedWindow; 285 286 /** 287 * The input context last provided by the current client. 288 */ 289 IInputContext mCurInputContext; 290 291 /** 292 * The attributes last provided by the current client. 293 */ 294 EditorInfo mCurAttribute; 295 296 /** 297 * The input method ID of the input method service that we are currently 298 * connected to or in the process of connecting to. 299 */ 300 String mCurId; 301 302 /** 303 * The current subtype of the current input method. 304 */ 305 private InputMethodSubtype mCurrentSubtype; 306 307 // This list contains the pairs of InputMethodInfo and InputMethodSubtype. 308 private final HashMap<InputMethodInfo, ArrayList<InputMethodSubtype>> 309 mShortcutInputMethodsAndSubtypes = 310 new HashMap<InputMethodInfo, ArrayList<InputMethodSubtype>>(); 311 312 /** 313 * Set to true if our ServiceConnection is currently actively bound to 314 * a service (whether or not we have gotten its IBinder back yet). 315 */ 316 boolean mHaveConnection; 317 318 /** 319 * Set if the client has asked for the input method to be shown. 320 */ 321 boolean mShowRequested; 322 323 /** 324 * Set if we were explicitly told to show the input method. 325 */ 326 boolean mShowExplicitlyRequested; 327 328 /** 329 * Set if we were forced to be shown. 330 */ 331 boolean mShowForced; 332 333 /** 334 * Set if we last told the input method to show itself. 335 */ 336 boolean mInputShown; 337 338 /** 339 * The Intent used to connect to the current input method. 340 */ 341 Intent mCurIntent; 342 343 /** 344 * The token we have made for the currently active input method, to 345 * identify it in the future. 346 */ 347 IBinder mCurToken; 348 349 /** 350 * If non-null, this is the input method service we are currently connected 351 * to. 352 */ 353 IInputMethod mCurMethod; 354 355 /** 356 * Time that we last initiated a bind to the input method, to determine 357 * if we should try to disconnect and reconnect to it. 358 */ 359 long mLastBindTime; 360 361 /** 362 * Have we called mCurMethod.bindInput()? 363 */ 364 boolean mBoundToMethod; 365 366 /** 367 * Currently enabled session. Only touched by service thread, not 368 * protected by a lock. 369 */ 370 SessionState mEnabledSession; 371 372 /** 373 * True if the screen is on. The value is true initially. 374 */ 375 boolean mScreenOn = true; 376 377 int mBackDisposition = InputMethodService.BACK_DISPOSITION_DEFAULT; 378 int mImeWindowVis; 379 380 private AlertDialog.Builder mDialogBuilder; 381 private AlertDialog mSwitchingDialog; 382 private View mSwitchingDialogTitleView; 383 private InputMethodInfo[] mIms; 384 private int[] mSubtypeIds; 385 private Locale mLastSystemLocale; 386 private final MyPackageMonitor mMyPackageMonitor = new MyPackageMonitor(); 387 private final IPackageManager mIPackageManager; 388 private boolean mInputBoundToKeyguard; 389 390 class SettingsObserver extends ContentObserver { 391 String mLastEnabled = ""; 392 393 SettingsObserver(Handler handler) { 394 super(handler); 395 ContentResolver resolver = mContext.getContentResolver(); 396 resolver.registerContentObserver(Settings.Secure.getUriFor( 397 Settings.Secure.DEFAULT_INPUT_METHOD), false, this); 398 resolver.registerContentObserver(Settings.Secure.getUriFor( 399 Settings.Secure.ENABLED_INPUT_METHODS), false, this); 400 resolver.registerContentObserver(Settings.Secure.getUriFor( 401 Settings.Secure.SELECTED_INPUT_METHOD_SUBTYPE), false, this); 402 } 403 404 @Override public void onChange(boolean selfChange) { 405 synchronized (mMethodMap) { 406 boolean enabledChanged = false; 407 String newEnabled = mSettings.getEnabledInputMethodsStr(); 408 if (!mLastEnabled.equals(newEnabled)) { 409 mLastEnabled = newEnabled; 410 enabledChanged = true; 411 } 412 updateFromSettingsLocked(enabledChanged); 413 } 414 } 415 } 416 417 class ImmsBroadcastReceiver extends android.content.BroadcastReceiver { 418 private void updateActive() { 419 // Inform the current client of the change in active status 420 if (mCurClient != null && mCurClient.client != null) { 421 executeOrSendMessage(mCurClient.client, mCaller.obtainMessageIO( 422 MSG_SET_ACTIVE, mScreenOn ? 1 : 0, mCurClient)); 423 } 424 } 425 426 @Override 427 public void onReceive(Context context, Intent intent) { 428 final String action = intent.getAction(); 429 if (Intent.ACTION_SCREEN_ON.equals(action)) { 430 mScreenOn = true; 431 refreshImeWindowVisibilityLocked(); 432 updateActive(); 433 return; 434 } else if (Intent.ACTION_SCREEN_OFF.equals(action)) { 435 mScreenOn = false; 436 setImeWindowVisibilityStatusHiddenLocked(); 437 updateActive(); 438 return; 439 } else if (Intent.ACTION_CLOSE_SYSTEM_DIALOGS.equals(action)) { 440 hideInputMethodMenu(); 441 // No need to updateActive 442 return; 443 } else { 444 Slog.w(TAG, "Unexpected intent " + intent); 445 } 446 } 447 } 448 449 class MyPackageMonitor extends PackageMonitor { 450 private boolean isChangingPackagesOfCurrentUser() { 451 final int userId = getChangingUserId(); 452 final boolean retval = userId == mSettings.getCurrentUserId(); 453 if (DEBUG) { 454 if (!retval) { 455 Slog.d(TAG, "--- ignore this call back from a background user: " + userId); 456 } 457 } 458 return retval; 459 } 460 461 @Override 462 public boolean onHandleForceStop(Intent intent, String[] packages, int uid, boolean doit) { 463 if (!isChangingPackagesOfCurrentUser()) { 464 return false; 465 } 466 synchronized (mMethodMap) { 467 String curInputMethodId = mSettings.getSelectedInputMethod(); 468 final int N = mMethodList.size(); 469 if (curInputMethodId != null) { 470 for (int i=0; i<N; i++) { 471 InputMethodInfo imi = mMethodList.get(i); 472 if (imi.getId().equals(curInputMethodId)) { 473 for (String pkg : packages) { 474 if (imi.getPackageName().equals(pkg)) { 475 if (!doit) { 476 return true; 477 } 478 resetSelectedInputMethodAndSubtypeLocked(""); 479 chooseNewDefaultIMELocked(); 480 return true; 481 } 482 } 483 } 484 } 485 } 486 } 487 return false; 488 } 489 490 @Override 491 public void onSomePackagesChanged() { 492 if (!isChangingPackagesOfCurrentUser()) { 493 return; 494 } 495 synchronized (mMethodMap) { 496 InputMethodInfo curIm = null; 497 String curInputMethodId = mSettings.getSelectedInputMethod(); 498 final int N = mMethodList.size(); 499 if (curInputMethodId != null) { 500 for (int i=0; i<N; i++) { 501 InputMethodInfo imi = mMethodList.get(i); 502 final String imiId = imi.getId(); 503 if (imiId.equals(curInputMethodId)) { 504 curIm = imi; 505 } 506 507 int change = isPackageDisappearing(imi.getPackageName()); 508 if (isPackageModified(imi.getPackageName())) { 509 mFileManager.deleteAllInputMethodSubtypes(imiId); 510 } 511 if (change == PACKAGE_TEMPORARY_CHANGE 512 || change == PACKAGE_PERMANENT_CHANGE) { 513 Slog.i(TAG, "Input method uninstalled, disabling: " 514 + imi.getComponent()); 515 setInputMethodEnabledLocked(imi.getId(), false); 516 } 517 } 518 } 519 520 buildInputMethodListLocked( 521 mMethodList, mMethodMap, false /* resetDefaultEnabledIme */); 522 523 boolean changed = false; 524 525 if (curIm != null) { 526 int change = isPackageDisappearing(curIm.getPackageName()); 527 if (change == PACKAGE_TEMPORARY_CHANGE 528 || change == PACKAGE_PERMANENT_CHANGE) { 529 ServiceInfo si = null; 530 try { 531 si = mIPackageManager.getServiceInfo( 532 curIm.getComponent(), 0, mSettings.getCurrentUserId()); 533 } catch (RemoteException ex) { 534 } 535 if (si == null) { 536 // Uh oh, current input method is no longer around! 537 // Pick another one... 538 Slog.i(TAG, "Current input method removed: " + curInputMethodId); 539 setImeWindowVisibilityStatusHiddenLocked(); 540 if (!chooseNewDefaultIMELocked()) { 541 changed = true; 542 curIm = null; 543 Slog.i(TAG, "Unsetting current input method"); 544 resetSelectedInputMethodAndSubtypeLocked(""); 545 } 546 } 547 } 548 } 549 550 if (curIm == null) { 551 // We currently don't have a default input method... is 552 // one now available? 553 changed = chooseNewDefaultIMELocked(); 554 } 555 556 if (changed) { 557 updateFromSettingsLocked(false); 558 } 559 } 560 } 561 } 562 563 private static final class MethodCallback extends IInputSessionCallback.Stub { 564 private final InputMethodManagerService mParentIMMS; 565 private final IInputMethod mMethod; 566 private final InputChannel mChannel; 567 568 MethodCallback(InputMethodManagerService imms, IInputMethod method, 569 InputChannel channel) { 570 mParentIMMS = imms; 571 mMethod = method; 572 mChannel = channel; 573 } 574 575 @Override 576 public void sessionCreated(IInputMethodSession session) { 577 mParentIMMS.onSessionCreated(mMethod, session, mChannel); 578 } 579 } 580 581 private class HardKeyboardListener 582 implements WindowManagerService.OnHardKeyboardStatusChangeListener { 583 @Override 584 public void onHardKeyboardStatusChange(boolean available, boolean enabled) { 585 mHandler.sendMessage(mHandler.obtainMessage( 586 MSG_HARD_KEYBOARD_SWITCH_CHANGED, available ? 1 : 0, enabled ? 1 : 0)); 587 } 588 589 public void handleHardKeyboardStatusChange(boolean available, boolean enabled) { 590 if (DEBUG) { 591 Slog.w(TAG, "HardKeyboardStatusChanged: available = " + available + ", enabled = " 592 + enabled); 593 } 594 synchronized(mMethodMap) { 595 if (mSwitchingDialog != null && mSwitchingDialogTitleView != null 596 && mSwitchingDialog.isShowing()) { 597 mSwitchingDialogTitleView.findViewById( 598 com.android.internal.R.id.hard_keyboard_section).setVisibility( 599 available ? View.VISIBLE : View.GONE); 600 } 601 } 602 } 603 } 604 605 public InputMethodManagerService(Context context, WindowManagerService windowManager) { 606 mIPackageManager = AppGlobals.getPackageManager(); 607 mContext = context; 608 mRes = context.getResources(); 609 mHandler = new Handler(this); 610 mIWindowManager = IWindowManager.Stub.asInterface( 611 ServiceManager.getService(Context.WINDOW_SERVICE)); 612 mCaller = new HandlerCaller(context, null, new HandlerCaller.Callback() { 613 @Override 614 public void executeMessage(Message msg) { 615 handleMessage(msg); 616 } 617 }, true /*asyncHandler*/); 618 mWindowManagerService = windowManager; 619 mHardKeyboardListener = new HardKeyboardListener(); 620 mHasFeature = context.getPackageManager().hasSystemFeature( 621 PackageManager.FEATURE_INPUT_METHODS); 622 623 mImeSwitcherNotification = new Notification(); 624 mImeSwitcherNotification.icon = com.android.internal.R.drawable.ic_notification_ime_default; 625 mImeSwitcherNotification.when = 0; 626 mImeSwitcherNotification.flags = Notification.FLAG_ONGOING_EVENT; 627 mImeSwitcherNotification.tickerText = null; 628 mImeSwitcherNotification.defaults = 0; // please be quiet 629 mImeSwitcherNotification.sound = null; 630 mImeSwitcherNotification.vibrate = null; 631 632 // Tag this notification specially so SystemUI knows it's important 633 mImeSwitcherNotification.kind = new String[] { "android.system.imeswitcher" }; 634 635 Intent intent = new Intent(Settings.ACTION_SHOW_INPUT_METHOD_PICKER); 636 mImeSwitchPendingIntent = PendingIntent.getBroadcast(mContext, 0, intent, 0); 637 638 mShowOngoingImeSwitcherForPhones = false; 639 640 final IntentFilter broadcastFilter = new IntentFilter(); 641 broadcastFilter.addAction(Intent.ACTION_SCREEN_ON); 642 broadcastFilter.addAction(Intent.ACTION_SCREEN_OFF); 643 broadcastFilter.addAction(Intent.ACTION_CLOSE_SYSTEM_DIALOGS); 644 mContext.registerReceiver(new ImmsBroadcastReceiver(), broadcastFilter); 645 646 mNotificationShown = false; 647 int userId = 0; 648 try { 649 ActivityManagerNative.getDefault().registerUserSwitchObserver( 650 new IUserSwitchObserver.Stub() { 651 @Override 652 public void onUserSwitching(int newUserId, IRemoteCallback reply) { 653 synchronized(mMethodMap) { 654 switchUserLocked(newUserId); 655 } 656 if (reply != null) { 657 try { 658 reply.sendResult(null); 659 } catch (RemoteException e) { 660 } 661 } 662 } 663 664 @Override 665 public void onUserSwitchComplete(int newUserId) throws RemoteException { 666 } 667 }); 668 userId = ActivityManagerNative.getDefault().getCurrentUser().id; 669 } catch (RemoteException e) { 670 Slog.w(TAG, "Couldn't get current user ID; guessing it's 0", e); 671 } 672 mMyPackageMonitor.register(mContext, null, UserHandle.ALL, true); 673 674 // mSettings should be created before buildInputMethodListLocked 675 mSettings = new InputMethodSettings( 676 mRes, context.getContentResolver(), mMethodMap, mMethodList, userId); 677 mFileManager = new InputMethodFileManager(mMethodMap, userId); 678 mImListManager = new InputMethodAndSubtypeListManager(context, this); 679 680 // Just checking if defaultImiId is empty or not 681 final String defaultImiId = mSettings.getSelectedInputMethod(); 682 if (DEBUG) { 683 Slog.d(TAG, "Initial default ime = " + defaultImiId); 684 } 685 mImeSelectedOnBoot = !TextUtils.isEmpty(defaultImiId); 686 687 buildInputMethodListLocked(mMethodList, mMethodMap, 688 !mImeSelectedOnBoot /* resetDefaultEnabledIme */); 689 mSettings.enableAllIMEsIfThereIsNoEnabledIME(); 690 691 if (!mImeSelectedOnBoot) { 692 Slog.w(TAG, "No IME selected. Choose the most applicable IME."); 693 resetDefaultImeLocked(context); 694 } 695 696 mSettingsObserver = new SettingsObserver(mHandler); 697 updateFromSettingsLocked(true); 698 699 // IMMS wants to receive Intent.ACTION_LOCALE_CHANGED in order to update the current IME 700 // according to the new system locale. 701 final IntentFilter filter = new IntentFilter(); 702 filter.addAction(Intent.ACTION_LOCALE_CHANGED); 703 mContext.registerReceiver( 704 new BroadcastReceiver() { 705 @Override 706 public void onReceive(Context context, Intent intent) { 707 synchronized(mMethodMap) { 708 checkCurrentLocaleChangedLocked(); 709 } 710 } 711 }, filter); 712 } 713 714 private void resetDefaultImeLocked(Context context) { 715 // Do not reset the default (current) IME when it is a 3rd-party IME 716 if (mCurMethodId != null 717 && !InputMethodUtils.isSystemIme(mMethodMap.get(mCurMethodId))) { 718 return; 719 } 720 721 InputMethodInfo defIm = null; 722 for (InputMethodInfo imi : mMethodList) { 723 if (defIm == null) { 724 if (InputMethodUtils.isValidSystemDefaultIme( 725 mSystemReady, imi, context)) { 726 defIm = imi; 727 Slog.i(TAG, "Selected default: " + imi.getId()); 728 } 729 } 730 } 731 if (defIm == null && mMethodList.size() > 0) { 732 defIm = InputMethodUtils.getMostApplicableDefaultIME( 733 mSettings.getEnabledInputMethodListLocked()); 734 Slog.i(TAG, "No default found, using " + defIm.getId()); 735 } 736 if (defIm != null) { 737 setSelectedInputMethodAndSubtypeLocked(defIm, NOT_A_SUBTYPE_ID, false); 738 } 739 } 740 741 private void resetAllInternalStateLocked(final boolean updateOnlyWhenLocaleChanged, 742 final boolean resetDefaultEnabledIme) { 743 if (!mSystemReady) { 744 // not system ready 745 return; 746 } 747 final Locale newLocale = mRes.getConfiguration().locale; 748 if (!updateOnlyWhenLocaleChanged 749 || (newLocale != null && !newLocale.equals(mLastSystemLocale))) { 750 if (!updateOnlyWhenLocaleChanged) { 751 hideCurrentInputLocked(0, null); 752 mCurMethodId = null; 753 unbindCurrentMethodLocked(true, false); 754 } 755 if (DEBUG) { 756 Slog.i(TAG, "Locale has been changed to " + newLocale); 757 } 758 // InputMethodAndSubtypeListManager should be reset when the locale is changed. 759 mImListManager = new InputMethodAndSubtypeListManager(mContext, this); 760 buildInputMethodListLocked(mMethodList, mMethodMap, resetDefaultEnabledIme); 761 if (!updateOnlyWhenLocaleChanged) { 762 final String selectedImiId = mSettings.getSelectedInputMethod(); 763 if (TextUtils.isEmpty(selectedImiId)) { 764 // This is the first time of the user switch and 765 // set the current ime to the proper one. 766 resetDefaultImeLocked(mContext); 767 } 768 } else { 769 // If the locale is changed, needs to reset the default ime 770 resetDefaultImeLocked(mContext); 771 } 772 updateFromSettingsLocked(true); 773 mLastSystemLocale = newLocale; 774 if (!updateOnlyWhenLocaleChanged) { 775 try { 776 startInputInnerLocked(); 777 } catch (RuntimeException e) { 778 Slog.w(TAG, "Unexpected exception", e); 779 } 780 } 781 } 782 } 783 784 private void checkCurrentLocaleChangedLocked() { 785 resetAllInternalStateLocked(true /* updateOnlyWhenLocaleChanged */, 786 true /* resetDefaultImeLocked */); 787 } 788 789 private void switchUserLocked(int newUserId) { 790 mSettings.setCurrentUserId(newUserId); 791 // InputMethodFileManager should be reset when the user is changed 792 mFileManager = new InputMethodFileManager(mMethodMap, newUserId); 793 final String defaultImiId = mSettings.getSelectedInputMethod(); 794 final boolean needsToResetDefaultIme = TextUtils.isEmpty(defaultImiId); 795 if (DEBUG) { 796 Slog.d(TAG, "Switch user: " + newUserId + " current ime = " + defaultImiId); 797 } 798 resetAllInternalStateLocked(false /* updateOnlyWhenLocaleChanged */, 799 needsToResetDefaultIme); 800 } 801 802 @Override 803 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 804 throws RemoteException { 805 try { 806 return super.onTransact(code, data, reply, flags); 807 } catch (RuntimeException e) { 808 // The input method manager only throws security exceptions, so let's 809 // log all others. 810 if (!(e instanceof SecurityException)) { 811 Slog.e(TAG, "Input Method Manager Crash", e); 812 } 813 throw e; 814 } 815 } 816 817 public void systemReady(StatusBarManagerService statusBar) { 818 synchronized (mMethodMap) { 819 if (DEBUG) { 820 Slog.d(TAG, "--- systemReady"); 821 } 822 if (!mSystemReady) { 823 mSystemReady = true; 824 mKeyguardManager = 825 (KeyguardManager) mContext.getSystemService(Context.KEYGUARD_SERVICE); 826 mNotificationManager = (NotificationManager) 827 mContext.getSystemService(Context.NOTIFICATION_SERVICE); 828 mStatusBar = statusBar; 829 statusBar.setIconVisibility("ime", false); 830 updateImeWindowStatusLocked(); 831 mShowOngoingImeSwitcherForPhones = mRes.getBoolean( 832 com.android.internal.R.bool.show_ongoing_ime_switcher); 833 if (mShowOngoingImeSwitcherForPhones) { 834 mWindowManagerService.setOnHardKeyboardStatusChangeListener( 835 mHardKeyboardListener); 836 } 837 buildInputMethodListLocked(mMethodList, mMethodMap, 838 !mImeSelectedOnBoot /* resetDefaultEnabledIme */); 839 if (!mImeSelectedOnBoot) { 840 Slog.w(TAG, "Reset the default IME as \"Resource\" is ready here."); 841 checkCurrentLocaleChangedLocked(); 842 } 843 mLastSystemLocale = mRes.getConfiguration().locale; 844 try { 845 startInputInnerLocked(); 846 } catch (RuntimeException e) { 847 Slog.w(TAG, "Unexpected exception", e); 848 } 849 } 850 } 851 } 852 853 private void setImeWindowVisibilityStatusHiddenLocked() { 854 mImeWindowVis = 0; 855 updateImeWindowStatusLocked(); 856 } 857 858 private void refreshImeWindowVisibilityLocked() { 859 final Configuration conf = mRes.getConfiguration(); 860 final boolean haveHardKeyboard = conf.keyboard 861 != Configuration.KEYBOARD_NOKEYS; 862 final boolean hardKeyShown = haveHardKeyboard 863 && conf.hardKeyboardHidden 864 != Configuration.HARDKEYBOARDHIDDEN_YES; 865 final boolean isScreenLocked = 866 mKeyguardManager != null && mKeyguardManager.isKeyguardLocked(); 867 final boolean isScreenSecurelyLocked = 868 isScreenLocked && mKeyguardManager.isKeyguardSecure(); 869 final boolean inputShown = mInputShown && (!isScreenLocked || mInputBoundToKeyguard); 870 mImeWindowVis = (!isScreenSecurelyLocked && (inputShown || hardKeyShown)) ? 871 (InputMethodService.IME_ACTIVE | InputMethodService.IME_VISIBLE) : 0; 872 updateImeWindowStatusLocked(); 873 } 874 875 private void updateImeWindowStatusLocked() { 876 setImeWindowStatus(mCurToken, mImeWindowVis, mBackDisposition); 877 } 878 879 // --------------------------------------------------------------------------------------- 880 // Check whether or not this is a valid IPC. Assumes an IPC is valid when either 881 // 1) it comes from the system process 882 // 2) the calling process' user id is identical to the current user id IMMS thinks. 883 private boolean calledFromValidUser() { 884 final int uid = Binder.getCallingUid(); 885 final int userId = UserHandle.getUserId(uid); 886 if (DEBUG) { 887 Slog.d(TAG, "--- calledFromForegroundUserOrSystemProcess ? " 888 + "calling uid = " + uid + " system uid = " + Process.SYSTEM_UID 889 + " calling userId = " + userId + ", foreground user id = " 890 + mSettings.getCurrentUserId() + ", calling pid = " + Binder.getCallingPid()); 891 } 892 if (uid == Process.SYSTEM_UID || userId == mSettings.getCurrentUserId()) { 893 return true; 894 } 895 896 // Caveat: A process which has INTERACT_ACROSS_USERS_FULL gets results for the 897 // foreground user, not for the user of that process. Accordingly InputMethodManagerService 898 // must not manage background users' states in any functions. 899 // Note that privacy-sensitive IPCs, such as setInputMethod, are still securely guarded 900 // by a token. 901 if (mContext.checkCallingOrSelfPermission( 902 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL) 903 == PackageManager.PERMISSION_GRANTED) { 904 if (DEBUG) { 905 Slog.d(TAG, "--- Access granted because the calling process has " 906 + "the INTERACT_ACROSS_USERS_FULL permission"); 907 } 908 return true; 909 } 910 Slog.w(TAG, "--- IPC called from background users. Ignore. \n" + getStackTrace()); 911 return false; 912 } 913 914 private boolean bindCurrentInputMethodService( 915 Intent service, ServiceConnection conn, int flags) { 916 if (service == null || conn == null) { 917 Slog.e(TAG, "--- bind failed: service = " + service + ", conn = " + conn); 918 return false; 919 } 920 return mContext.bindServiceAsUser(service, conn, flags, 921 new UserHandle(mSettings.getCurrentUserId())); 922 } 923 924 @Override 925 public List<InputMethodInfo> getInputMethodList() { 926 // TODO: Make this work even for non-current users? 927 if (!calledFromValidUser()) { 928 return Collections.emptyList(); 929 } 930 synchronized (mMethodMap) { 931 return new ArrayList<InputMethodInfo>(mMethodList); 932 } 933 } 934 935 @Override 936 public List<InputMethodInfo> getEnabledInputMethodList() { 937 // TODO: Make this work even for non-current users? 938 if (!calledFromValidUser()) { 939 return Collections.emptyList(); 940 } 941 synchronized (mMethodMap) { 942 return mSettings.getEnabledInputMethodListLocked(); 943 } 944 } 945 946 private HashMap<InputMethodInfo, List<InputMethodSubtype>> 947 getExplicitlyOrImplicitlyEnabledInputMethodsAndSubtypeListLocked() { 948 HashMap<InputMethodInfo, List<InputMethodSubtype>> enabledInputMethodAndSubtypes = 949 new HashMap<InputMethodInfo, List<InputMethodSubtype>>(); 950 for (InputMethodInfo imi: mSettings.getEnabledInputMethodListLocked()) { 951 enabledInputMethodAndSubtypes.put( 952 imi, mSettings.getEnabledInputMethodSubtypeListLocked(mContext, imi, true)); 953 } 954 return enabledInputMethodAndSubtypes; 955 } 956 957 /** 958 * @param imi if null, returns enabled subtypes for the current imi 959 * @return enabled subtypes of the specified imi 960 */ 961 @Override 962 public List<InputMethodSubtype> getEnabledInputMethodSubtypeList(InputMethodInfo imi, 963 boolean allowsImplicitlySelectedSubtypes) { 964 // TODO: Make this work even for non-current users? 965 if (!calledFromValidUser()) { 966 return Collections.emptyList(); 967 } 968 synchronized (mMethodMap) { 969 if (imi == null && mCurMethodId != null) { 970 imi = mMethodMap.get(mCurMethodId); 971 } 972 return mSettings.getEnabledInputMethodSubtypeListLocked( 973 mContext, imi, allowsImplicitlySelectedSubtypes); 974 } 975 } 976 977 @Override 978 public void addClient(IInputMethodClient client, 979 IInputContext inputContext, int uid, int pid) { 980 if (!calledFromValidUser()) { 981 return; 982 } 983 synchronized (mMethodMap) { 984 mClients.put(client.asBinder(), new ClientState(client, 985 inputContext, uid, pid)); 986 } 987 } 988 989 @Override 990 public void removeClient(IInputMethodClient client) { 991 if (!calledFromValidUser()) { 992 return; 993 } 994 synchronized (mMethodMap) { 995 ClientState cs = mClients.remove(client.asBinder()); 996 if (cs != null) { 997 clearClientSessionLocked(cs); 998 } 999 } 1000 } 1001 1002 void executeOrSendMessage(IInterface target, Message msg) { 1003 if (target.asBinder() instanceof Binder) { 1004 mCaller.sendMessage(msg); 1005 } else { 1006 handleMessage(msg); 1007 msg.recycle(); 1008 } 1009 } 1010 1011 void unbindCurrentClientLocked() { 1012 if (mCurClient != null) { 1013 if (DEBUG) Slog.v(TAG, "unbindCurrentInputLocked: client = " 1014 + mCurClient.client.asBinder()); 1015 if (mBoundToMethod) { 1016 mBoundToMethod = false; 1017 if (mCurMethod != null) { 1018 executeOrSendMessage(mCurMethod, mCaller.obtainMessageO( 1019 MSG_UNBIND_INPUT, mCurMethod)); 1020 } 1021 } 1022 1023 executeOrSendMessage(mCurClient.client, mCaller.obtainMessageIO( 1024 MSG_SET_ACTIVE, 0, mCurClient)); 1025 executeOrSendMessage(mCurClient.client, mCaller.obtainMessageIO( 1026 MSG_UNBIND_METHOD, mCurSeq, mCurClient.client)); 1027 mCurClient.sessionRequested = false; 1028 mCurClient = null; 1029 1030 hideInputMethodMenuLocked(); 1031 } 1032 } 1033 1034 private int getImeShowFlags() { 1035 int flags = 0; 1036 if (mShowForced) { 1037 flags |= InputMethod.SHOW_FORCED 1038 | InputMethod.SHOW_EXPLICIT; 1039 } else if (mShowExplicitlyRequested) { 1040 flags |= InputMethod.SHOW_EXPLICIT; 1041 } 1042 return flags; 1043 } 1044 1045 private int getAppShowFlags() { 1046 int flags = 0; 1047 if (mShowForced) { 1048 flags |= InputMethodManager.SHOW_FORCED; 1049 } else if (!mShowExplicitlyRequested) { 1050 flags |= InputMethodManager.SHOW_IMPLICIT; 1051 } 1052 return flags; 1053 } 1054 1055 InputBindResult attachNewInputLocked(boolean initial) { 1056 if (!mBoundToMethod) { 1057 executeOrSendMessage(mCurMethod, mCaller.obtainMessageOO( 1058 MSG_BIND_INPUT, mCurMethod, mCurClient.binding)); 1059 mBoundToMethod = true; 1060 } 1061 final SessionState session = mCurClient.curSession; 1062 if (initial) { 1063 executeOrSendMessage(session.method, mCaller.obtainMessageOOO( 1064 MSG_START_INPUT, session, mCurInputContext, mCurAttribute)); 1065 } else { 1066 executeOrSendMessage(session.method, mCaller.obtainMessageOOO( 1067 MSG_RESTART_INPUT, session, mCurInputContext, mCurAttribute)); 1068 } 1069 if (mShowRequested) { 1070 if (DEBUG) Slog.v(TAG, "Attach new input asks to show input"); 1071 showCurrentInputLocked(getAppShowFlags(), null); 1072 } 1073 return new InputBindResult(session.session, 1074 session.channel != null ? session.channel.dup() : null, mCurId, mCurSeq); 1075 } 1076 1077 InputBindResult startInputLocked(IInputMethodClient client, 1078 IInputContext inputContext, EditorInfo attribute, int controlFlags) { 1079 // If no method is currently selected, do nothing. 1080 if (mCurMethodId == null) { 1081 return mNoBinding; 1082 } 1083 1084 ClientState cs = mClients.get(client.asBinder()); 1085 if (cs == null) { 1086 throw new IllegalArgumentException("unknown client " 1087 + client.asBinder()); 1088 } 1089 1090 try { 1091 if (!mIWindowManager.inputMethodClientHasFocus(cs.client)) { 1092 // Check with the window manager to make sure this client actually 1093 // has a window with focus. If not, reject. This is thread safe 1094 // because if the focus changes some time before or after, the 1095 // next client receiving focus that has any interest in input will 1096 // be calling through here after that change happens. 1097 Slog.w(TAG, "Starting input on non-focused client " + cs.client 1098 + " (uid=" + cs.uid + " pid=" + cs.pid + ")"); 1099 return null; 1100 } 1101 } catch (RemoteException e) { 1102 } 1103 1104 return startInputUncheckedLocked(cs, inputContext, attribute, controlFlags); 1105 } 1106 1107 InputBindResult startInputUncheckedLocked(ClientState cs, 1108 IInputContext inputContext, EditorInfo attribute, int controlFlags) { 1109 // If no method is currently selected, do nothing. 1110 if (mCurMethodId == null) { 1111 return mNoBinding; 1112 } 1113 1114 if (mCurClient == null) { 1115 mInputBoundToKeyguard = mKeyguardManager != null && mKeyguardManager.isKeyguardLocked(); 1116 if (DEBUG) { 1117 Slog.v(TAG, "New bind. keyguard = " + mInputBoundToKeyguard); 1118 } 1119 } 1120 1121 if (mCurClient != cs) { 1122 // If the client is changing, we need to switch over to the new 1123 // one. 1124 unbindCurrentClientLocked(); 1125 if (DEBUG) Slog.v(TAG, "switching to client: client = " 1126 + cs.client.asBinder()); 1127 1128 // If the screen is on, inform the new client it is active 1129 if (mScreenOn) { 1130 executeOrSendMessage(cs.client, mCaller.obtainMessageIO( 1131 MSG_SET_ACTIVE, mScreenOn ? 1 : 0, cs)); 1132 } 1133 } 1134 1135 // Bump up the sequence for this client and attach it. 1136 mCurSeq++; 1137 if (mCurSeq <= 0) mCurSeq = 1; 1138 mCurClient = cs; 1139 mCurInputContext = inputContext; 1140 mCurAttribute = attribute; 1141 1142 // Check if the input method is changing. 1143 if (mCurId != null && mCurId.equals(mCurMethodId)) { 1144 if (cs.curSession != null) { 1145 // Fast case: if we are already connected to the input method, 1146 // then just return it. 1147 return attachNewInputLocked( 1148 (controlFlags&InputMethodManager.CONTROL_START_INITIAL) != 0); 1149 } 1150 if (mHaveConnection) { 1151 if (mCurMethod != null) { 1152 // Return to client, and we will get back with it when 1153 // we have had a session made for it. 1154 requestClientSessionLocked(cs); 1155 return new InputBindResult(null, null, mCurId, mCurSeq); 1156 } else if (SystemClock.uptimeMillis() 1157 < (mLastBindTime+TIME_TO_RECONNECT)) { 1158 // In this case we have connected to the service, but 1159 // don't yet have its interface. If it hasn't been too 1160 // long since we did the connection, we'll return to 1161 // the client and wait to get the service interface so 1162 // we can report back. If it has been too long, we want 1163 // to fall through so we can try a disconnect/reconnect 1164 // to see if we can get back in touch with the service. 1165 return new InputBindResult(null, null, mCurId, mCurSeq); 1166 } else { 1167 EventLog.writeEvent(EventLogTags.IMF_FORCE_RECONNECT_IME, 1168 mCurMethodId, SystemClock.uptimeMillis()-mLastBindTime, 0); 1169 } 1170 } 1171 } 1172 1173 return startInputInnerLocked(); 1174 } 1175 1176 InputBindResult startInputInnerLocked() { 1177 if (mCurMethodId == null) { 1178 return mNoBinding; 1179 } 1180 1181 if (!mSystemReady) { 1182 // If the system is not yet ready, we shouldn't be running third 1183 // party code. 1184 return new InputBindResult(null, null, mCurMethodId, mCurSeq); 1185 } 1186 1187 InputMethodInfo info = mMethodMap.get(mCurMethodId); 1188 if (info == null) { 1189 throw new IllegalArgumentException("Unknown id: " + mCurMethodId); 1190 } 1191 1192 unbindCurrentMethodLocked(false, true); 1193 1194 mCurIntent = new Intent(InputMethod.SERVICE_INTERFACE); 1195 mCurIntent.setComponent(info.getComponent()); 1196 mCurIntent.putExtra(Intent.EXTRA_CLIENT_LABEL, 1197 com.android.internal.R.string.input_method_binding_label); 1198 mCurIntent.putExtra(Intent.EXTRA_CLIENT_INTENT, PendingIntent.getActivity( 1199 mContext, 0, new Intent(Settings.ACTION_INPUT_METHOD_SETTINGS), 0)); 1200 if (bindCurrentInputMethodService(mCurIntent, this, Context.BIND_AUTO_CREATE 1201 | Context.BIND_NOT_VISIBLE)) { 1202 mLastBindTime = SystemClock.uptimeMillis(); 1203 mHaveConnection = true; 1204 mCurId = info.getId(); 1205 mCurToken = new Binder(); 1206 try { 1207 if (true || DEBUG) Slog.v(TAG, "Adding window token: " + mCurToken); 1208 mIWindowManager.addWindowToken(mCurToken, 1209 WindowManager.LayoutParams.TYPE_INPUT_METHOD); 1210 } catch (RemoteException e) { 1211 } 1212 return new InputBindResult(null, null, mCurId, mCurSeq); 1213 } else { 1214 mCurIntent = null; 1215 Slog.w(TAG, "Failure connecting to input method service: " 1216 + mCurIntent); 1217 } 1218 return null; 1219 } 1220 1221 @Override 1222 public InputBindResult startInput(IInputMethodClient client, 1223 IInputContext inputContext, EditorInfo attribute, int controlFlags) { 1224 if (!calledFromValidUser()) { 1225 return null; 1226 } 1227 synchronized (mMethodMap) { 1228 final long ident = Binder.clearCallingIdentity(); 1229 try { 1230 return startInputLocked(client, inputContext, attribute, controlFlags); 1231 } finally { 1232 Binder.restoreCallingIdentity(ident); 1233 } 1234 } 1235 } 1236 1237 @Override 1238 public void finishInput(IInputMethodClient client) { 1239 } 1240 1241 @Override 1242 public void onServiceConnected(ComponentName name, IBinder service) { 1243 synchronized (mMethodMap) { 1244 if (mCurIntent != null && name.equals(mCurIntent.getComponent())) { 1245 mCurMethod = IInputMethod.Stub.asInterface(service); 1246 if (mCurToken == null) { 1247 Slog.w(TAG, "Service connected without a token!"); 1248 unbindCurrentMethodLocked(false, false); 1249 return; 1250 } 1251 if (DEBUG) Slog.v(TAG, "Initiating attach with token: " + mCurToken); 1252 executeOrSendMessage(mCurMethod, mCaller.obtainMessageOO( 1253 MSG_ATTACH_TOKEN, mCurMethod, mCurToken)); 1254 if (mCurClient != null) { 1255 clearClientSessionLocked(mCurClient); 1256 requestClientSessionLocked(mCurClient); 1257 } 1258 } 1259 } 1260 } 1261 1262 void onSessionCreated(IInputMethod method, IInputMethodSession session, 1263 InputChannel channel) { 1264 synchronized (mMethodMap) { 1265 if (mCurMethod != null && method != null 1266 && mCurMethod.asBinder() == method.asBinder()) { 1267 if (mCurClient != null) { 1268 clearClientSessionLocked(mCurClient); 1269 mCurClient.curSession = new SessionState(mCurClient, 1270 method, session, channel); 1271 InputBindResult res = attachNewInputLocked(true); 1272 if (res.method != null) { 1273 executeOrSendMessage(mCurClient.client, mCaller.obtainMessageOO( 1274 MSG_BIND_METHOD, mCurClient.client, res)); 1275 } 1276 return; 1277 } 1278 } 1279 } 1280 1281 // Session abandoned. Close its associated input channel. 1282 channel.dispose(); 1283 } 1284 1285 void unbindCurrentMethodLocked(boolean reportToClient, boolean savePosition) { 1286 if (mVisibleBound) { 1287 mContext.unbindService(mVisibleConnection); 1288 mVisibleBound = false; 1289 } 1290 1291 if (mHaveConnection) { 1292 mContext.unbindService(this); 1293 mHaveConnection = false; 1294 } 1295 1296 if (mCurToken != null) { 1297 try { 1298 if (DEBUG) Slog.v(TAG, "Removing window token: " + mCurToken); 1299 if ((mImeWindowVis & InputMethodService.IME_ACTIVE) != 0 && savePosition) { 1300 // The current IME is shown. Hence an IME switch (transition) is happening. 1301 mWindowManagerService.saveLastInputMethodWindowForTransition(); 1302 } 1303 mIWindowManager.removeWindowToken(mCurToken); 1304 } catch (RemoteException e) { 1305 } 1306 mCurToken = null; 1307 } 1308 1309 mCurId = null; 1310 clearCurMethodLocked(); 1311 1312 if (reportToClient && mCurClient != null) { 1313 executeOrSendMessage(mCurClient.client, mCaller.obtainMessageIO( 1314 MSG_UNBIND_METHOD, mCurSeq, mCurClient.client)); 1315 } 1316 } 1317 1318 void requestClientSessionLocked(ClientState cs) { 1319 if (!cs.sessionRequested) { 1320 if (DEBUG) Slog.v(TAG, "Creating new session for client " + cs); 1321 InputChannel[] channels = InputChannel.openInputChannelPair(cs.toString()); 1322 cs.sessionRequested = true; 1323 executeOrSendMessage(mCurMethod, mCaller.obtainMessageOOO( 1324 MSG_CREATE_SESSION, mCurMethod, channels[1], 1325 new MethodCallback(this, mCurMethod, channels[0]))); 1326 } 1327 } 1328 1329 void clearClientSessionLocked(ClientState cs) { 1330 finishSessionLocked(cs.curSession); 1331 cs.curSession = null; 1332 cs.sessionRequested = false; 1333 } 1334 1335 private void finishSessionLocked(SessionState sessionState) { 1336 if (sessionState != null) { 1337 if (sessionState.session != null) { 1338 try { 1339 sessionState.session.finishSession(); 1340 } catch (RemoteException e) { 1341 Slog.w(TAG, "Session failed to close due to remote exception", e); 1342 setImeWindowVisibilityStatusHiddenLocked(); 1343 } 1344 sessionState.session = null; 1345 } 1346 if (sessionState.channel != null) { 1347 sessionState.channel.dispose(); 1348 sessionState.channel = null; 1349 } 1350 } 1351 } 1352 1353 void clearCurMethodLocked() { 1354 if (mCurMethod != null) { 1355 for (ClientState cs : mClients.values()) { 1356 clearClientSessionLocked(cs); 1357 } 1358 1359 finishSessionLocked(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 = 1445 mSettings.getEnabledInputMethodSubtypeListLocked(mContext, imi, true); 1446 final int subtypeCount = subtypes.size(); 1447 if (subtypeCount == 0) { 1448 ++nonAuxCount; 1449 } else { 1450 for (int j = 0; j < subtypeCount; ++j) { 1451 final InputMethodSubtype subtype = subtypes.get(j); 1452 if (!subtype.isAuxiliary()) { 1453 ++nonAuxCount; 1454 nonAuxSubtype = subtype; 1455 } else { 1456 ++auxCount; 1457 auxSubtype = subtype; 1458 } 1459 } 1460 } 1461 } 1462 if (nonAuxCount > 1 || auxCount > 1) { 1463 return true; 1464 } else if (nonAuxCount == 1 && auxCount == 1) { 1465 if (nonAuxSubtype != null && auxSubtype != null 1466 && (nonAuxSubtype.getLocale().equals(auxSubtype.getLocale()) 1467 || auxSubtype.overridesImplicitlyEnabledSubtype() 1468 || nonAuxSubtype.overridesImplicitlyEnabledSubtype()) 1469 && nonAuxSubtype.containsExtraValueKey(TAG_TRY_SUPPRESSING_IME_SWITCHER)) { 1470 return false; 1471 } 1472 return true; 1473 } 1474 return false; 1475 } 1476 } 1477 1478 // Caution! This method is called in this class. Handle multi-user carefully 1479 @SuppressWarnings("deprecation") 1480 @Override 1481 public void setImeWindowStatus(IBinder token, int vis, int backDisposition) { 1482 final long ident = Binder.clearCallingIdentity(); 1483 try { 1484 if (token == null || mCurToken != token) { 1485 int uid = Binder.getCallingUid(); 1486 Slog.w(TAG, "Ignoring setImeWindowStatus of uid " + uid + " token: " + token); 1487 return; 1488 } 1489 1490 synchronized (mMethodMap) { 1491 mImeWindowVis = vis; 1492 mBackDisposition = backDisposition; 1493 if (mStatusBar != null) { 1494 mStatusBar.setImeWindowStatus(token, vis, backDisposition); 1495 } 1496 final boolean iconVisibility = (vis & InputMethodService.IME_ACTIVE) != 0; 1497 final InputMethodInfo imi = mMethodMap.get(mCurMethodId); 1498 if (imi != null && iconVisibility && needsToShowImeSwitchOngoingNotification()) { 1499 // Used to load label 1500 final PackageManager pm = mContext.getPackageManager(); 1501 final CharSequence title = mRes.getText( 1502 com.android.internal.R.string.select_input_method); 1503 final CharSequence imiLabel = imi.loadLabel(pm); 1504 final CharSequence summary = mCurrentSubtype != null 1505 ? TextUtils.concat(mCurrentSubtype.getDisplayName(mContext, 1506 imi.getPackageName(), imi.getServiceInfo().applicationInfo), 1507 (TextUtils.isEmpty(imiLabel) ? 1508 "" : " - " + imiLabel)) 1509 : imiLabel; 1510 1511 mImeSwitcherNotification.setLatestEventInfo( 1512 mContext, title, summary, mImeSwitchPendingIntent); 1513 if (mNotificationManager != null) { 1514 if (DEBUG) { 1515 Slog.d(TAG, "--- show notification: label = " + imiLabel 1516 + ", summary = " + summary); 1517 } 1518 mNotificationManager.notifyAsUser(null, 1519 com.android.internal.R.string.select_input_method, 1520 mImeSwitcherNotification, UserHandle.ALL); 1521 mNotificationShown = true; 1522 } 1523 } else { 1524 if (mNotificationShown && mNotificationManager != null) { 1525 if (DEBUG) { 1526 Slog.d(TAG, "--- hide notification"); 1527 } 1528 mNotificationManager.cancelAsUser(null, 1529 com.android.internal.R.string.select_input_method, UserHandle.ALL); 1530 mNotificationShown = false; 1531 } 1532 } 1533 } 1534 } finally { 1535 Binder.restoreCallingIdentity(ident); 1536 } 1537 } 1538 1539 @Override 1540 public void registerSuggestionSpansForNotification(SuggestionSpan[] spans) { 1541 if (!calledFromValidUser()) { 1542 return; 1543 } 1544 synchronized (mMethodMap) { 1545 final InputMethodInfo currentImi = mMethodMap.get(mCurMethodId); 1546 for (int i = 0; i < spans.length; ++i) { 1547 SuggestionSpan ss = spans[i]; 1548 if (!TextUtils.isEmpty(ss.getNotificationTargetClassName())) { 1549 mSecureSuggestionSpans.put(ss, currentImi); 1550 } 1551 } 1552 } 1553 } 1554 1555 @Override 1556 public boolean notifySuggestionPicked(SuggestionSpan span, String originalString, int index) { 1557 if (!calledFromValidUser()) { 1558 return false; 1559 } 1560 synchronized (mMethodMap) { 1561 final InputMethodInfo targetImi = mSecureSuggestionSpans.get(span); 1562 // TODO: Do not send the intent if the process of the targetImi is already dead. 1563 if (targetImi != null) { 1564 final String[] suggestions = span.getSuggestions(); 1565 if (index < 0 || index >= suggestions.length) return false; 1566 final String className = span.getNotificationTargetClassName(); 1567 final Intent intent = new Intent(); 1568 // Ensures that only a class in the original IME package will receive the 1569 // notification. 1570 intent.setClassName(targetImi.getPackageName(), className); 1571 intent.setAction(SuggestionSpan.ACTION_SUGGESTION_PICKED); 1572 intent.putExtra(SuggestionSpan.SUGGESTION_SPAN_PICKED_BEFORE, originalString); 1573 intent.putExtra(SuggestionSpan.SUGGESTION_SPAN_PICKED_AFTER, suggestions[index]); 1574 intent.putExtra(SuggestionSpan.SUGGESTION_SPAN_PICKED_HASHCODE, span.hashCode()); 1575 final long ident = Binder.clearCallingIdentity(); 1576 try { 1577 mContext.sendBroadcastAsUser(intent, UserHandle.CURRENT); 1578 } finally { 1579 Binder.restoreCallingIdentity(ident); 1580 } 1581 return true; 1582 } 1583 } 1584 return false; 1585 } 1586 1587 void updateFromSettingsLocked(boolean enabledMayChange) { 1588 if (enabledMayChange) { 1589 List<InputMethodInfo> enabled = mSettings.getEnabledInputMethodListLocked(); 1590 for (int i=0; i<enabled.size(); i++) { 1591 // We allow the user to select "disabled until used" apps, so if they 1592 // are enabling one of those here we now need to make it enabled. 1593 InputMethodInfo imm = enabled.get(i); 1594 try { 1595 ApplicationInfo ai = mIPackageManager.getApplicationInfo(imm.getPackageName(), 1596 PackageManager.GET_DISABLED_UNTIL_USED_COMPONENTS, 1597 mSettings.getCurrentUserId()); 1598 if (ai != null && ai.enabledSetting 1599 == PackageManager.COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED) { 1600 mIPackageManager.setApplicationEnabledSetting(imm.getPackageName(), 1601 PackageManager.COMPONENT_ENABLED_STATE_DEFAULT, 1602 PackageManager.DONT_KILL_APP, mSettings.getCurrentUserId(), 1603 mContext.getBasePackageName()); 1604 } 1605 } catch (RemoteException e) { 1606 } 1607 } 1608 } 1609 // We are assuming that whoever is changing DEFAULT_INPUT_METHOD and 1610 // ENABLED_INPUT_METHODS is taking care of keeping them correctly in 1611 // sync, so we will never have a DEFAULT_INPUT_METHOD that is not 1612 // enabled. 1613 String id = mSettings.getSelectedInputMethod(); 1614 // There is no input method selected, try to choose new applicable input method. 1615 if (TextUtils.isEmpty(id) && chooseNewDefaultIMELocked()) { 1616 id = mSettings.getSelectedInputMethod(); 1617 } 1618 if (!TextUtils.isEmpty(id)) { 1619 try { 1620 setInputMethodLocked(id, mSettings.getSelectedInputMethodSubtypeId(id)); 1621 } catch (IllegalArgumentException e) { 1622 Slog.w(TAG, "Unknown input method from prefs: " + id, e); 1623 mCurMethodId = null; 1624 unbindCurrentMethodLocked(true, false); 1625 } 1626 mShortcutInputMethodsAndSubtypes.clear(); 1627 } else { 1628 // There is no longer an input method set, so stop any current one. 1629 mCurMethodId = null; 1630 unbindCurrentMethodLocked(true, false); 1631 } 1632 } 1633 1634 /* package */ void setInputMethodLocked(String id, int subtypeId) { 1635 InputMethodInfo info = mMethodMap.get(id); 1636 if (info == null) { 1637 throw new IllegalArgumentException("Unknown id: " + id); 1638 } 1639 1640 // See if we need to notify a subtype change within the same IME. 1641 if (id.equals(mCurMethodId)) { 1642 final int subtypeCount = info.getSubtypeCount(); 1643 if (subtypeCount <= 0) { 1644 return; 1645 } 1646 final InputMethodSubtype oldSubtype = mCurrentSubtype; 1647 final InputMethodSubtype newSubtype; 1648 if (subtypeId >= 0 && subtypeId < subtypeCount) { 1649 newSubtype = info.getSubtypeAt(subtypeId); 1650 } else { 1651 // If subtype is null, try to find the most applicable one from 1652 // getCurrentInputMethodSubtype. 1653 newSubtype = getCurrentInputMethodSubtypeLocked(); 1654 } 1655 if (newSubtype == null || oldSubtype == null) { 1656 Slog.w(TAG, "Illegal subtype state: old subtype = " + oldSubtype 1657 + ", new subtype = " + newSubtype); 1658 return; 1659 } 1660 if (newSubtype != oldSubtype) { 1661 setSelectedInputMethodAndSubtypeLocked(info, subtypeId, true); 1662 if (mCurMethod != null) { 1663 try { 1664 refreshImeWindowVisibilityLocked(); 1665 mCurMethod.changeInputMethodSubtype(newSubtype); 1666 } catch (RemoteException e) { 1667 Slog.w(TAG, "Failed to call changeInputMethodSubtype"); 1668 } 1669 } 1670 } 1671 return; 1672 } 1673 1674 // Changing to a different IME. 1675 final long ident = Binder.clearCallingIdentity(); 1676 try { 1677 // Set a subtype to this input method. 1678 // subtypeId the name of a subtype which will be set. 1679 setSelectedInputMethodAndSubtypeLocked(info, subtypeId, false); 1680 // mCurMethodId should be updated after setSelectedInputMethodAndSubtypeLocked() 1681 // because mCurMethodId is stored as a history in 1682 // setSelectedInputMethodAndSubtypeLocked(). 1683 mCurMethodId = id; 1684 1685 if (ActivityManagerNative.isSystemReady()) { 1686 Intent intent = new Intent(Intent.ACTION_INPUT_METHOD_CHANGED); 1687 intent.addFlags(Intent.FLAG_RECEIVER_REPLACE_PENDING); 1688 intent.putExtra("input_method_id", id); 1689 mContext.sendBroadcastAsUser(intent, UserHandle.CURRENT); 1690 } 1691 unbindCurrentClientLocked(); 1692 } finally { 1693 Binder.restoreCallingIdentity(ident); 1694 } 1695 } 1696 1697 @Override 1698 public boolean showSoftInput(IInputMethodClient client, int flags, 1699 ResultReceiver resultReceiver) { 1700 if (!calledFromValidUser()) { 1701 return false; 1702 } 1703 int uid = Binder.getCallingUid(); 1704 long ident = Binder.clearCallingIdentity(); 1705 try { 1706 synchronized (mMethodMap) { 1707 if (mCurClient == null || client == null 1708 || mCurClient.client.asBinder() != client.asBinder()) { 1709 try { 1710 // We need to check if this is the current client with 1711 // focus in the window manager, to allow this call to 1712 // be made before input is started in it. 1713 if (!mIWindowManager.inputMethodClientHasFocus(client)) { 1714 Slog.w(TAG, "Ignoring showSoftInput of uid " + uid + ": " + client); 1715 return false; 1716 } 1717 } catch (RemoteException e) { 1718 return false; 1719 } 1720 } 1721 1722 if (DEBUG) Slog.v(TAG, "Client requesting input be shown"); 1723 return showCurrentInputLocked(flags, resultReceiver); 1724 } 1725 } finally { 1726 Binder.restoreCallingIdentity(ident); 1727 } 1728 } 1729 1730 boolean showCurrentInputLocked(int flags, ResultReceiver resultReceiver) { 1731 mShowRequested = true; 1732 if ((flags&InputMethodManager.SHOW_IMPLICIT) == 0) { 1733 mShowExplicitlyRequested = true; 1734 } 1735 if ((flags&InputMethodManager.SHOW_FORCED) != 0) { 1736 mShowExplicitlyRequested = true; 1737 mShowForced = true; 1738 } 1739 1740 if (!mSystemReady) { 1741 return false; 1742 } 1743 1744 boolean res = false; 1745 if (mCurMethod != null) { 1746 if (DEBUG) Slog.d(TAG, "showCurrentInputLocked: mCurToken=" + mCurToken); 1747 executeOrSendMessage(mCurMethod, mCaller.obtainMessageIOO( 1748 MSG_SHOW_SOFT_INPUT, getImeShowFlags(), mCurMethod, 1749 resultReceiver)); 1750 mInputShown = true; 1751 if (mHaveConnection && !mVisibleBound) { 1752 bindCurrentInputMethodService( 1753 mCurIntent, mVisibleConnection, Context.BIND_AUTO_CREATE); 1754 mVisibleBound = true; 1755 } 1756 res = true; 1757 } else if (mHaveConnection && SystemClock.uptimeMillis() 1758 >= (mLastBindTime+TIME_TO_RECONNECT)) { 1759 // The client has asked to have the input method shown, but 1760 // we have been sitting here too long with a connection to the 1761 // service and no interface received, so let's disconnect/connect 1762 // to try to prod things along. 1763 EventLog.writeEvent(EventLogTags.IMF_FORCE_RECONNECT_IME, mCurMethodId, 1764 SystemClock.uptimeMillis()-mLastBindTime,1); 1765 Slog.w(TAG, "Force disconnect/connect to the IME in showCurrentInputLocked()"); 1766 mContext.unbindService(this); 1767 bindCurrentInputMethodService(mCurIntent, this, Context.BIND_AUTO_CREATE 1768 | Context.BIND_NOT_VISIBLE); 1769 } else { 1770 if (DEBUG) { 1771 Slog.d(TAG, "Can't show input: connection = " + mHaveConnection + ", time = " 1772 + ((mLastBindTime+TIME_TO_RECONNECT) - SystemClock.uptimeMillis())); 1773 } 1774 } 1775 1776 return res; 1777 } 1778 1779 @Override 1780 public boolean hideSoftInput(IInputMethodClient client, int flags, 1781 ResultReceiver resultReceiver) { 1782 if (!calledFromValidUser()) { 1783 return false; 1784 } 1785 int uid = Binder.getCallingUid(); 1786 long ident = Binder.clearCallingIdentity(); 1787 try { 1788 synchronized (mMethodMap) { 1789 if (mCurClient == null || client == null 1790 || mCurClient.client.asBinder() != client.asBinder()) { 1791 try { 1792 // We need to check if this is the current client with 1793 // focus in the window manager, to allow this call to 1794 // be made before input is started in it. 1795 if (!mIWindowManager.inputMethodClientHasFocus(client)) { 1796 if (DEBUG) Slog.w(TAG, "Ignoring hideSoftInput of uid " 1797 + uid + ": " + client); 1798 setImeWindowVisibilityStatusHiddenLocked(); 1799 return false; 1800 } 1801 } catch (RemoteException e) { 1802 setImeWindowVisibilityStatusHiddenLocked(); 1803 return false; 1804 } 1805 } 1806 1807 if (DEBUG) Slog.v(TAG, "Client requesting input be hidden"); 1808 return hideCurrentInputLocked(flags, resultReceiver); 1809 } 1810 } finally { 1811 Binder.restoreCallingIdentity(ident); 1812 } 1813 } 1814 1815 boolean hideCurrentInputLocked(int flags, ResultReceiver resultReceiver) { 1816 if ((flags&InputMethodManager.HIDE_IMPLICIT_ONLY) != 0 1817 && (mShowExplicitlyRequested || mShowForced)) { 1818 if (DEBUG) Slog.v(TAG, "Not hiding: explicit show not cancelled by non-explicit hide"); 1819 return false; 1820 } 1821 if (mShowForced && (flags&InputMethodManager.HIDE_NOT_ALWAYS) != 0) { 1822 if (DEBUG) Slog.v(TAG, "Not hiding: forced show not cancelled by not-always hide"); 1823 return false; 1824 } 1825 boolean res; 1826 if (mInputShown && mCurMethod != null) { 1827 executeOrSendMessage(mCurMethod, mCaller.obtainMessageOO( 1828 MSG_HIDE_SOFT_INPUT, mCurMethod, resultReceiver)); 1829 res = true; 1830 } else { 1831 res = false; 1832 } 1833 if (mHaveConnection && mVisibleBound) { 1834 mContext.unbindService(mVisibleConnection); 1835 mVisibleBound = false; 1836 } 1837 mInputShown = false; 1838 mShowRequested = false; 1839 mShowExplicitlyRequested = false; 1840 mShowForced = false; 1841 return res; 1842 } 1843 1844 @Override 1845 public InputBindResult windowGainedFocus(IInputMethodClient client, IBinder windowToken, 1846 int controlFlags, int softInputMode, int windowFlags, 1847 EditorInfo attribute, IInputContext inputContext) { 1848 // Needs to check the validity before clearing calling identity 1849 final boolean calledFromValidUser = calledFromValidUser(); 1850 1851 InputBindResult res = null; 1852 long ident = Binder.clearCallingIdentity(); 1853 try { 1854 synchronized (mMethodMap) { 1855 if (DEBUG) Slog.v(TAG, "windowGainedFocus: " + client.asBinder() 1856 + " controlFlags=#" + Integer.toHexString(controlFlags) 1857 + " softInputMode=#" + Integer.toHexString(softInputMode) 1858 + " windowFlags=#" + Integer.toHexString(windowFlags)); 1859 1860 ClientState cs = mClients.get(client.asBinder()); 1861 if (cs == null) { 1862 throw new IllegalArgumentException("unknown client " 1863 + client.asBinder()); 1864 } 1865 1866 try { 1867 if (!mIWindowManager.inputMethodClientHasFocus(cs.client)) { 1868 // Check with the window manager to make sure this client actually 1869 // has a window with focus. If not, reject. This is thread safe 1870 // because if the focus changes some time before or after, the 1871 // next client receiving focus that has any interest in input will 1872 // be calling through here after that change happens. 1873 Slog.w(TAG, "Focus gain on non-focused client " + cs.client 1874 + " (uid=" + cs.uid + " pid=" + cs.pid + ")"); 1875 return null; 1876 } 1877 } catch (RemoteException e) { 1878 } 1879 1880 if (!calledFromValidUser) { 1881 Slog.w(TAG, "A background user is requesting window. Hiding IME."); 1882 Slog.w(TAG, "If you want to interect with IME, you need " 1883 + "android.permission.INTERACT_ACROSS_USERS_FULL"); 1884 hideCurrentInputLocked(0, null); 1885 return null; 1886 } 1887 1888 if (mCurFocusedWindow == windowToken) { 1889 Slog.w(TAG, "Window already focused, ignoring focus gain of: " + client 1890 + " attribute=" + attribute + ", token = " + windowToken); 1891 if (attribute != null) { 1892 return startInputUncheckedLocked(cs, inputContext, attribute, 1893 controlFlags); 1894 } 1895 return null; 1896 } 1897 mCurFocusedWindow = windowToken; 1898 1899 // Should we auto-show the IME even if the caller has not 1900 // specified what should be done with it? 1901 // We only do this automatically if the window can resize 1902 // to accommodate the IME (so what the user sees will give 1903 // them good context without input information being obscured 1904 // by the IME) or if running on a large screen where there 1905 // is more room for the target window + IME. 1906 final boolean doAutoShow = 1907 (softInputMode & WindowManager.LayoutParams.SOFT_INPUT_MASK_ADJUST) 1908 == WindowManager.LayoutParams.SOFT_INPUT_ADJUST_RESIZE 1909 || mRes.getConfiguration().isLayoutSizeAtLeast( 1910 Configuration.SCREENLAYOUT_SIZE_LARGE); 1911 final boolean isTextEditor = 1912 (controlFlags&InputMethodManager.CONTROL_WINDOW_IS_TEXT_EDITOR) != 0; 1913 1914 // We want to start input before showing the IME, but after closing 1915 // it. We want to do this after closing it to help the IME disappear 1916 // more quickly (not get stuck behind it initializing itself for the 1917 // new focused input, even if its window wants to hide the IME). 1918 boolean didStart = false; 1919 1920 switch (softInputMode&WindowManager.LayoutParams.SOFT_INPUT_MASK_STATE) { 1921 case WindowManager.LayoutParams.SOFT_INPUT_STATE_UNSPECIFIED: 1922 if (!isTextEditor || !doAutoShow) { 1923 if (WindowManager.LayoutParams.mayUseInputMethod(windowFlags)) { 1924 // There is no focus view, and this window will 1925 // be behind any soft input window, so hide the 1926 // soft input window if it is shown. 1927 if (DEBUG) Slog.v(TAG, "Unspecified window will hide input"); 1928 hideCurrentInputLocked(InputMethodManager.HIDE_NOT_ALWAYS, null); 1929 } 1930 } else if (isTextEditor && doAutoShow && (softInputMode & 1931 WindowManager.LayoutParams.SOFT_INPUT_IS_FORWARD_NAVIGATION) != 0) { 1932 // There is a focus view, and we are navigating forward 1933 // into the window, so show the input window for the user. 1934 // We only do this automatically if the window can resize 1935 // to accommodate the IME (so what the user sees will give 1936 // them good context without input information being obscured 1937 // by the IME) or if running on a large screen where there 1938 // is more room for the target window + IME. 1939 if (DEBUG) Slog.v(TAG, "Unspecified window will show input"); 1940 if (attribute != null) { 1941 res = startInputUncheckedLocked(cs, inputContext, attribute, 1942 controlFlags); 1943 didStart = true; 1944 } 1945 showCurrentInputLocked(InputMethodManager.SHOW_IMPLICIT, null); 1946 } 1947 break; 1948 case WindowManager.LayoutParams.SOFT_INPUT_STATE_UNCHANGED: 1949 // Do nothing. 1950 break; 1951 case WindowManager.LayoutParams.SOFT_INPUT_STATE_HIDDEN: 1952 if ((softInputMode & 1953 WindowManager.LayoutParams.SOFT_INPUT_IS_FORWARD_NAVIGATION) != 0) { 1954 if (DEBUG) Slog.v(TAG, "Window asks to hide input going forward"); 1955 hideCurrentInputLocked(0, null); 1956 } 1957 break; 1958 case WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_HIDDEN: 1959 if (DEBUG) Slog.v(TAG, "Window asks to hide input"); 1960 hideCurrentInputLocked(0, null); 1961 break; 1962 case WindowManager.LayoutParams.SOFT_INPUT_STATE_VISIBLE: 1963 if ((softInputMode & 1964 WindowManager.LayoutParams.SOFT_INPUT_IS_FORWARD_NAVIGATION) != 0) { 1965 if (DEBUG) Slog.v(TAG, "Window asks to show input going forward"); 1966 if (attribute != null) { 1967 res = startInputUncheckedLocked(cs, inputContext, attribute, 1968 controlFlags); 1969 didStart = true; 1970 } 1971 showCurrentInputLocked(InputMethodManager.SHOW_IMPLICIT, null); 1972 } 1973 break; 1974 case WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_VISIBLE: 1975 if (DEBUG) Slog.v(TAG, "Window asks to always show input"); 1976 if (attribute != null) { 1977 res = startInputUncheckedLocked(cs, inputContext, attribute, 1978 controlFlags); 1979 didStart = true; 1980 } 1981 showCurrentInputLocked(InputMethodManager.SHOW_IMPLICIT, null); 1982 break; 1983 } 1984 1985 if (!didStart && attribute != null) { 1986 res = startInputUncheckedLocked(cs, inputContext, attribute, 1987 controlFlags); 1988 } 1989 } 1990 } finally { 1991 Binder.restoreCallingIdentity(ident); 1992 } 1993 1994 return res; 1995 } 1996 1997 @Override 1998 public void showInputMethodPickerFromClient(IInputMethodClient client) { 1999 if (!calledFromValidUser()) { 2000 return; 2001 } 2002 synchronized (mMethodMap) { 2003 if (mCurClient == null || client == null 2004 || mCurClient.client.asBinder() != client.asBinder()) { 2005 Slog.w(TAG, "Ignoring showInputMethodPickerFromClient of uid " 2006 + Binder.getCallingUid() + ": " + client); 2007 } 2008 2009 // Always call subtype picker, because subtype picker is a superset of input method 2010 // picker. 2011 mHandler.sendEmptyMessage(MSG_SHOW_IM_SUBTYPE_PICKER); 2012 } 2013 } 2014 2015 @Override 2016 public void setInputMethod(IBinder token, String id) { 2017 if (!calledFromValidUser()) { 2018 return; 2019 } 2020 setInputMethodWithSubtypeId(token, id, NOT_A_SUBTYPE_ID); 2021 } 2022 2023 @Override 2024 public void setInputMethodAndSubtype(IBinder token, String id, InputMethodSubtype subtype) { 2025 if (!calledFromValidUser()) { 2026 return; 2027 } 2028 synchronized (mMethodMap) { 2029 if (subtype != null) { 2030 setInputMethodWithSubtypeId(token, id, InputMethodUtils.getSubtypeIdFromHashCode( 2031 mMethodMap.get(id), subtype.hashCode())); 2032 } else { 2033 setInputMethod(token, id); 2034 } 2035 } 2036 } 2037 2038 @Override 2039 public void showInputMethodAndSubtypeEnablerFromClient( 2040 IInputMethodClient client, String inputMethodId) { 2041 if (!calledFromValidUser()) { 2042 return; 2043 } 2044 synchronized (mMethodMap) { 2045 if (mCurClient == null || client == null 2046 || mCurClient.client.asBinder() != client.asBinder()) { 2047 Slog.w(TAG, "Ignoring showInputMethodAndSubtypeEnablerFromClient of: " + client); 2048 } 2049 executeOrSendMessage(mCurMethod, mCaller.obtainMessageO( 2050 MSG_SHOW_IM_SUBTYPE_ENABLER, inputMethodId)); 2051 } 2052 } 2053 2054 @Override 2055 public boolean switchToLastInputMethod(IBinder token) { 2056 if (!calledFromValidUser()) { 2057 return false; 2058 } 2059 synchronized (mMethodMap) { 2060 final Pair<String, String> lastIme = mSettings.getLastInputMethodAndSubtypeLocked(); 2061 final InputMethodInfo lastImi; 2062 if (lastIme != null) { 2063 lastImi = mMethodMap.get(lastIme.first); 2064 } else { 2065 lastImi = null; 2066 } 2067 String targetLastImiId = null; 2068 int subtypeId = NOT_A_SUBTYPE_ID; 2069 if (lastIme != null && lastImi != null) { 2070 final boolean imiIdIsSame = lastImi.getId().equals(mCurMethodId); 2071 final int lastSubtypeHash = Integer.valueOf(lastIme.second); 2072 final int currentSubtypeHash = mCurrentSubtype == null ? NOT_A_SUBTYPE_ID 2073 : mCurrentSubtype.hashCode(); 2074 // If the last IME is the same as the current IME and the last subtype is not 2075 // defined, there is no need to switch to the last IME. 2076 if (!imiIdIsSame || lastSubtypeHash != currentSubtypeHash) { 2077 targetLastImiId = lastIme.first; 2078 subtypeId = InputMethodUtils.getSubtypeIdFromHashCode(lastImi, lastSubtypeHash); 2079 } 2080 } 2081 2082 if (TextUtils.isEmpty(targetLastImiId) 2083 && !InputMethodUtils.canAddToLastInputMethod(mCurrentSubtype)) { 2084 // This is a safety net. If the currentSubtype can't be added to the history 2085 // and the framework couldn't find the last ime, we will make the last ime be 2086 // the most applicable enabled keyboard subtype of the system imes. 2087 final List<InputMethodInfo> enabled = mSettings.getEnabledInputMethodListLocked(); 2088 if (enabled != null) { 2089 final int N = enabled.size(); 2090 final String locale = mCurrentSubtype == null 2091 ? mRes.getConfiguration().locale.toString() 2092 : mCurrentSubtype.getLocale(); 2093 for (int i = 0; i < N; ++i) { 2094 final InputMethodInfo imi = enabled.get(i); 2095 if (imi.getSubtypeCount() > 0 && InputMethodUtils.isSystemIme(imi)) { 2096 InputMethodSubtype keyboardSubtype = 2097 InputMethodUtils.findLastResortApplicableSubtypeLocked(mRes, 2098 InputMethodUtils.getSubtypes(imi), 2099 InputMethodUtils.SUBTYPE_MODE_KEYBOARD, locale, true); 2100 if (keyboardSubtype != null) { 2101 targetLastImiId = imi.getId(); 2102 subtypeId = InputMethodUtils.getSubtypeIdFromHashCode( 2103 imi, keyboardSubtype.hashCode()); 2104 if(keyboardSubtype.getLocale().equals(locale)) { 2105 break; 2106 } 2107 } 2108 } 2109 } 2110 } 2111 } 2112 2113 if (!TextUtils.isEmpty(targetLastImiId)) { 2114 if (DEBUG) { 2115 Slog.d(TAG, "Switch to: " + lastImi.getId() + ", " + lastIme.second 2116 + ", from: " + mCurMethodId + ", " + subtypeId); 2117 } 2118 setInputMethodWithSubtypeId(token, targetLastImiId, subtypeId); 2119 return true; 2120 } else { 2121 return false; 2122 } 2123 } 2124 } 2125 2126 @Override 2127 public boolean switchToNextInputMethod(IBinder token, boolean onlyCurrentIme) { 2128 if (!calledFromValidUser()) { 2129 return false; 2130 } 2131 synchronized (mMethodMap) { 2132 final ImeSubtypeListItem nextSubtype = mImListManager.getNextInputMethod( 2133 onlyCurrentIme, mMethodMap.get(mCurMethodId), mCurrentSubtype); 2134 if (nextSubtype == null) { 2135 return false; 2136 } 2137 setInputMethodWithSubtypeId(token, nextSubtype.mImi.getId(), nextSubtype.mSubtypeId); 2138 return true; 2139 } 2140 } 2141 2142 @Override 2143 public InputMethodSubtype getLastInputMethodSubtype() { 2144 if (!calledFromValidUser()) { 2145 return null; 2146 } 2147 synchronized (mMethodMap) { 2148 final Pair<String, String> lastIme = mSettings.getLastInputMethodAndSubtypeLocked(); 2149 // TODO: Handle the case of the last IME with no subtypes 2150 if (lastIme == null || TextUtils.isEmpty(lastIme.first) 2151 || TextUtils.isEmpty(lastIme.second)) return null; 2152 final InputMethodInfo lastImi = mMethodMap.get(lastIme.first); 2153 if (lastImi == null) return null; 2154 try { 2155 final int lastSubtypeHash = Integer.valueOf(lastIme.second); 2156 final int lastSubtypeId = 2157 InputMethodUtils.getSubtypeIdFromHashCode(lastImi, lastSubtypeHash); 2158 if (lastSubtypeId < 0 || lastSubtypeId >= lastImi.getSubtypeCount()) { 2159 return null; 2160 } 2161 return lastImi.getSubtypeAt(lastSubtypeId); 2162 } catch (NumberFormatException e) { 2163 return null; 2164 } 2165 } 2166 } 2167 2168 @Override 2169 public void setAdditionalInputMethodSubtypes(String imiId, InputMethodSubtype[] subtypes) { 2170 if (!calledFromValidUser()) { 2171 return; 2172 } 2173 // By this IPC call, only a process which shares the same uid with the IME can add 2174 // additional input method subtypes to the IME. 2175 if (TextUtils.isEmpty(imiId) || subtypes == null || subtypes.length == 0) return; 2176 synchronized (mMethodMap) { 2177 final InputMethodInfo imi = mMethodMap.get(imiId); 2178 if (imi == null) return; 2179 final String[] packageInfos; 2180 try { 2181 packageInfos = mIPackageManager.getPackagesForUid(Binder.getCallingUid()); 2182 } catch (RemoteException e) { 2183 Slog.e(TAG, "Failed to get package infos"); 2184 return; 2185 } 2186 if (packageInfos != null) { 2187 final int packageNum = packageInfos.length; 2188 for (int i = 0; i < packageNum; ++i) { 2189 if (packageInfos[i].equals(imi.getPackageName())) { 2190 mFileManager.addInputMethodSubtypes(imi, subtypes); 2191 final long ident = Binder.clearCallingIdentity(); 2192 try { 2193 buildInputMethodListLocked(mMethodList, mMethodMap, 2194 false /* resetDefaultEnabledIme */); 2195 } finally { 2196 Binder.restoreCallingIdentity(ident); 2197 } 2198 return; 2199 } 2200 } 2201 } 2202 } 2203 return; 2204 } 2205 2206 private void setInputMethodWithSubtypeId(IBinder token, String id, int subtypeId) { 2207 synchronized (mMethodMap) { 2208 if (token == null) { 2209 if (mContext.checkCallingOrSelfPermission( 2210 android.Manifest.permission.WRITE_SECURE_SETTINGS) 2211 != PackageManager.PERMISSION_GRANTED) { 2212 throw new SecurityException( 2213 "Using null token requires permission " 2214 + android.Manifest.permission.WRITE_SECURE_SETTINGS); 2215 } 2216 } else if (mCurToken != token) { 2217 Slog.w(TAG, "Ignoring setInputMethod of uid " + Binder.getCallingUid() 2218 + " token: " + token); 2219 return; 2220 } 2221 2222 final long ident = Binder.clearCallingIdentity(); 2223 try { 2224 setInputMethodLocked(id, subtypeId); 2225 } finally { 2226 Binder.restoreCallingIdentity(ident); 2227 } 2228 } 2229 } 2230 2231 @Override 2232 public void hideMySoftInput(IBinder token, int flags) { 2233 if (!calledFromValidUser()) { 2234 return; 2235 } 2236 synchronized (mMethodMap) { 2237 if (token == null || mCurToken != token) { 2238 if (DEBUG) Slog.w(TAG, "Ignoring hideInputMethod of uid " 2239 + Binder.getCallingUid() + " token: " + token); 2240 return; 2241 } 2242 long ident = Binder.clearCallingIdentity(); 2243 try { 2244 hideCurrentInputLocked(flags, null); 2245 } finally { 2246 Binder.restoreCallingIdentity(ident); 2247 } 2248 } 2249 } 2250 2251 @Override 2252 public void showMySoftInput(IBinder token, int flags) { 2253 if (!calledFromValidUser()) { 2254 return; 2255 } 2256 synchronized (mMethodMap) { 2257 if (token == null || mCurToken != token) { 2258 Slog.w(TAG, "Ignoring showMySoftInput of uid " 2259 + Binder.getCallingUid() + " token: " + token); 2260 return; 2261 } 2262 long ident = Binder.clearCallingIdentity(); 2263 try { 2264 showCurrentInputLocked(flags, null); 2265 } finally { 2266 Binder.restoreCallingIdentity(ident); 2267 } 2268 } 2269 } 2270 2271 void setEnabledSessionInMainThread(SessionState session) { 2272 if (mEnabledSession != session) { 2273 if (mEnabledSession != null) { 2274 try { 2275 if (DEBUG) Slog.v(TAG, "Disabling: " + mEnabledSession); 2276 mEnabledSession.method.setSessionEnabled( 2277 mEnabledSession.session, false); 2278 } catch (RemoteException e) { 2279 } 2280 } 2281 mEnabledSession = session; 2282 try { 2283 if (DEBUG) Slog.v(TAG, "Enabling: " + mEnabledSession); 2284 session.method.setSessionEnabled( 2285 session.session, true); 2286 } catch (RemoteException e) { 2287 } 2288 } 2289 } 2290 2291 @Override 2292 public boolean handleMessage(Message msg) { 2293 SomeArgs args; 2294 switch (msg.what) { 2295 case MSG_SHOW_IM_PICKER: 2296 showInputMethodMenu(); 2297 return true; 2298 2299 case MSG_SHOW_IM_SUBTYPE_PICKER: 2300 showInputMethodSubtypeMenu(); 2301 return true; 2302 2303 case MSG_SHOW_IM_SUBTYPE_ENABLER: 2304 args = (SomeArgs)msg.obj; 2305 showInputMethodAndSubtypeEnabler((String)args.arg1); 2306 args.recycle(); 2307 return true; 2308 2309 case MSG_SHOW_IM_CONFIG: 2310 showConfigureInputMethods(); 2311 return true; 2312 2313 // --------------------------------------------------------- 2314 2315 case MSG_UNBIND_INPUT: 2316 try { 2317 ((IInputMethod)msg.obj).unbindInput(); 2318 } catch (RemoteException e) { 2319 // There is nothing interesting about the method dying. 2320 } 2321 return true; 2322 case MSG_BIND_INPUT: 2323 args = (SomeArgs)msg.obj; 2324 try { 2325 ((IInputMethod)args.arg1).bindInput((InputBinding)args.arg2); 2326 } catch (RemoteException e) { 2327 } 2328 args.recycle(); 2329 return true; 2330 case MSG_SHOW_SOFT_INPUT: 2331 args = (SomeArgs)msg.obj; 2332 try { 2333 if (DEBUG) Slog.v(TAG, "Calling " + args.arg1 + ".showSoftInput(" 2334 + msg.arg1 + ", " + args.arg2 + ")"); 2335 ((IInputMethod)args.arg1).showSoftInput(msg.arg1, (ResultReceiver)args.arg2); 2336 } catch (RemoteException e) { 2337 } 2338 args.recycle(); 2339 return true; 2340 case MSG_HIDE_SOFT_INPUT: 2341 args = (SomeArgs)msg.obj; 2342 try { 2343 if (DEBUG) Slog.v(TAG, "Calling " + args.arg1 + ".hideSoftInput(0, " 2344 + args.arg2 + ")"); 2345 ((IInputMethod)args.arg1).hideSoftInput(0, (ResultReceiver)args.arg2); 2346 } catch (RemoteException e) { 2347 } 2348 args.recycle(); 2349 return true; 2350 case MSG_ATTACH_TOKEN: 2351 args = (SomeArgs)msg.obj; 2352 try { 2353 if (DEBUG) Slog.v(TAG, "Sending attach of token: " + args.arg2); 2354 ((IInputMethod)args.arg1).attachToken((IBinder)args.arg2); 2355 } catch (RemoteException e) { 2356 } 2357 args.recycle(); 2358 return true; 2359 case MSG_CREATE_SESSION: { 2360 args = (SomeArgs)msg.obj; 2361 IInputMethod method = (IInputMethod)args.arg1; 2362 InputChannel channel = (InputChannel)args.arg2; 2363 try { 2364 method.createSession(channel, (IInputSessionCallback)args.arg3); 2365 } catch (RemoteException e) { 2366 } finally { 2367 // Dispose the channel if the input method is not local to this process 2368 // because the remote proxy will get its own copy when unparceled. 2369 if (channel != null && Binder.isProxy(method)) { 2370 channel.dispose(); 2371 } 2372 } 2373 args.recycle(); 2374 return true; 2375 } 2376 // --------------------------------------------------------- 2377 2378 case MSG_START_INPUT: 2379 args = (SomeArgs)msg.obj; 2380 try { 2381 SessionState session = (SessionState)args.arg1; 2382 setEnabledSessionInMainThread(session); 2383 session.method.startInput((IInputContext)args.arg2, 2384 (EditorInfo)args.arg3); 2385 } catch (RemoteException e) { 2386 } 2387 args.recycle(); 2388 return true; 2389 case MSG_RESTART_INPUT: 2390 args = (SomeArgs)msg.obj; 2391 try { 2392 SessionState session = (SessionState)args.arg1; 2393 setEnabledSessionInMainThread(session); 2394 session.method.restartInput((IInputContext)args.arg2, 2395 (EditorInfo)args.arg3); 2396 } catch (RemoteException e) { 2397 } 2398 args.recycle(); 2399 return true; 2400 2401 // --------------------------------------------------------- 2402 2403 case MSG_UNBIND_METHOD: 2404 try { 2405 ((IInputMethodClient)msg.obj).onUnbindMethod(msg.arg1); 2406 } catch (RemoteException e) { 2407 // There is nothing interesting about the last client dying. 2408 } 2409 return true; 2410 case MSG_BIND_METHOD: { 2411 args = (SomeArgs)msg.obj; 2412 IInputMethodClient client = (IInputMethodClient)args.arg1; 2413 InputBindResult res = (InputBindResult)args.arg2; 2414 try { 2415 client.onBindMethod(res); 2416 } catch (RemoteException e) { 2417 Slog.w(TAG, "Client died receiving input method " + args.arg2); 2418 } finally { 2419 // Dispose the channel if the input method is not local to this process 2420 // because the remote proxy will get its own copy when unparceled. 2421 if (res.channel != null && Binder.isProxy(client)) { 2422 res.channel.dispose(); 2423 } 2424 } 2425 args.recycle(); 2426 return true; 2427 } 2428 case MSG_SET_ACTIVE: 2429 try { 2430 ((ClientState)msg.obj).client.setActive(msg.arg1 != 0); 2431 } catch (RemoteException e) { 2432 Slog.w(TAG, "Got RemoteException sending setActive(false) notification to pid " 2433 + ((ClientState)msg.obj).pid + " uid " 2434 + ((ClientState)msg.obj).uid); 2435 } 2436 return true; 2437 2438 // -------------------------------------------------------------- 2439 case MSG_HARD_KEYBOARD_SWITCH_CHANGED: 2440 mHardKeyboardListener.handleHardKeyboardStatusChange( 2441 msg.arg1 == 1, msg.arg2 == 1); 2442 return true; 2443 } 2444 return false; 2445 } 2446 2447 private boolean chooseNewDefaultIMELocked() { 2448 final InputMethodInfo imi = InputMethodUtils.getMostApplicableDefaultIME( 2449 mSettings.getEnabledInputMethodListLocked()); 2450 if (imi != null) { 2451 if (DEBUG) { 2452 Slog.d(TAG, "New default IME was selected: " + imi.getId()); 2453 } 2454 resetSelectedInputMethodAndSubtypeLocked(imi.getId()); 2455 return true; 2456 } 2457 2458 return false; 2459 } 2460 2461 void buildInputMethodListLocked(ArrayList<InputMethodInfo> list, 2462 HashMap<String, InputMethodInfo> map, boolean resetDefaultEnabledIme) { 2463 if (DEBUG) { 2464 Slog.d(TAG, "--- re-buildInputMethodList reset = " + resetDefaultEnabledIme 2465 + " \n ------ \n" + getStackTrace()); 2466 } 2467 list.clear(); 2468 map.clear(); 2469 2470 // Use for queryIntentServicesAsUser 2471 final PackageManager pm = mContext.getPackageManager(); 2472 String disabledSysImes = mSettings.getDisabledSystemInputMethods(); 2473 if (disabledSysImes == null) disabledSysImes = ""; 2474 2475 final List<ResolveInfo> services = pm.queryIntentServicesAsUser( 2476 new Intent(InputMethod.SERVICE_INTERFACE), 2477 PackageManager.GET_META_DATA | PackageManager.GET_DISABLED_UNTIL_USED_COMPONENTS, 2478 mSettings.getCurrentUserId()); 2479 2480 final HashMap<String, List<InputMethodSubtype>> additionalSubtypes = 2481 mFileManager.getAllAdditionalInputMethodSubtypes(); 2482 for (int i = 0; i < services.size(); ++i) { 2483 ResolveInfo ri = services.get(i); 2484 ServiceInfo si = ri.serviceInfo; 2485 ComponentName compName = new ComponentName(si.packageName, si.name); 2486 if (!android.Manifest.permission.BIND_INPUT_METHOD.equals( 2487 si.permission)) { 2488 Slog.w(TAG, "Skipping input method " + compName 2489 + ": it does not require the permission " 2490 + android.Manifest.permission.BIND_INPUT_METHOD); 2491 continue; 2492 } 2493 2494 if (DEBUG) Slog.d(TAG, "Checking " + compName); 2495 2496 try { 2497 InputMethodInfo p = new InputMethodInfo(mContext, ri, additionalSubtypes); 2498 list.add(p); 2499 final String id = p.getId(); 2500 map.put(id, p); 2501 2502 if (DEBUG) { 2503 Slog.d(TAG, "Found an input method " + p); 2504 } 2505 2506 } catch (XmlPullParserException e) { 2507 Slog.w(TAG, "Unable to load input method " + compName, e); 2508 } catch (IOException e) { 2509 Slog.w(TAG, "Unable to load input method " + compName, e); 2510 } 2511 } 2512 2513 if (resetDefaultEnabledIme) { 2514 final ArrayList<InputMethodInfo> defaultEnabledIme = 2515 InputMethodUtils.getDefaultEnabledImes(mContext, mSystemReady, list); 2516 for (int i = 0; i < defaultEnabledIme.size(); ++i) { 2517 final InputMethodInfo imi = defaultEnabledIme.get(i); 2518 if (DEBUG) { 2519 Slog.d(TAG, "--- enable ime = " + imi); 2520 } 2521 setInputMethodEnabledLocked(imi.getId(), true); 2522 } 2523 } 2524 2525 final String defaultImiId = mSettings.getSelectedInputMethod(); 2526 if (!TextUtils.isEmpty(defaultImiId)) { 2527 if (!map.containsKey(defaultImiId)) { 2528 Slog.w(TAG, "Default IME is uninstalled. Choose new default IME."); 2529 if (chooseNewDefaultIMELocked()) { 2530 updateFromSettingsLocked(true); 2531 } 2532 } else { 2533 // Double check that the default IME is certainly enabled. 2534 setInputMethodEnabledLocked(defaultImiId, true); 2535 } 2536 } 2537 } 2538 2539 // ---------------------------------------------------------------------- 2540 2541 private void showInputMethodMenu() { 2542 showInputMethodMenuInternal(false); 2543 } 2544 2545 private void showInputMethodSubtypeMenu() { 2546 showInputMethodMenuInternal(true); 2547 } 2548 2549 private void showInputMethodAndSubtypeEnabler(String inputMethodId) { 2550 Intent intent = new Intent(Settings.ACTION_INPUT_METHOD_SUBTYPE_SETTINGS); 2551 intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK 2552 | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED 2553 | Intent.FLAG_ACTIVITY_CLEAR_TOP); 2554 if (!TextUtils.isEmpty(inputMethodId)) { 2555 intent.putExtra(Settings.EXTRA_INPUT_METHOD_ID, inputMethodId); 2556 } 2557 mContext.startActivityAsUser(intent, null, UserHandle.CURRENT); 2558 } 2559 2560 private void showConfigureInputMethods() { 2561 Intent intent = new Intent(Settings.ACTION_INPUT_METHOD_SETTINGS); 2562 intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK 2563 | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED 2564 | Intent.FLAG_ACTIVITY_CLEAR_TOP); 2565 mContext.startActivityAsUser(intent, null, UserHandle.CURRENT); 2566 } 2567 2568 private boolean isScreenLocked() { 2569 return mKeyguardManager != null 2570 && mKeyguardManager.isKeyguardLocked() && mKeyguardManager.isKeyguardSecure(); 2571 } 2572 private void showInputMethodMenuInternal(boolean showSubtypes) { 2573 if (DEBUG) Slog.v(TAG, "Show switching menu"); 2574 2575 final Context context = mContext; 2576 final boolean isScreenLocked = isScreenLocked(); 2577 2578 final String lastInputMethodId = mSettings.getSelectedInputMethod(); 2579 int lastInputMethodSubtypeId = mSettings.getSelectedInputMethodSubtypeId(lastInputMethodId); 2580 if (DEBUG) Slog.v(TAG, "Current IME: " + lastInputMethodId); 2581 2582 synchronized (mMethodMap) { 2583 final HashMap<InputMethodInfo, List<InputMethodSubtype>> immis = 2584 getExplicitlyOrImplicitlyEnabledInputMethodsAndSubtypeListLocked(); 2585 if (immis == null || immis.size() == 0) { 2586 return; 2587 } 2588 2589 hideInputMethodMenuLocked(); 2590 2591 final List<ImeSubtypeListItem> imList = 2592 mImListManager.getSortedInputMethodAndSubtypeList( 2593 showSubtypes, mInputShown, isScreenLocked); 2594 2595 if (lastInputMethodSubtypeId == NOT_A_SUBTYPE_ID) { 2596 final InputMethodSubtype currentSubtype = getCurrentInputMethodSubtypeLocked(); 2597 if (currentSubtype != null) { 2598 final InputMethodInfo currentImi = mMethodMap.get(mCurMethodId); 2599 lastInputMethodSubtypeId = InputMethodUtils.getSubtypeIdFromHashCode( 2600 currentImi, currentSubtype.hashCode()); 2601 } 2602 } 2603 2604 final int N = imList.size(); 2605 mIms = new InputMethodInfo[N]; 2606 mSubtypeIds = new int[N]; 2607 int checkedItem = 0; 2608 for (int i = 0; i < N; ++i) { 2609 final ImeSubtypeListItem item = imList.get(i); 2610 mIms[i] = item.mImi; 2611 mSubtypeIds[i] = item.mSubtypeId; 2612 if (mIms[i].getId().equals(lastInputMethodId)) { 2613 int subtypeId = mSubtypeIds[i]; 2614 if ((subtypeId == NOT_A_SUBTYPE_ID) 2615 || (lastInputMethodSubtypeId == NOT_A_SUBTYPE_ID && subtypeId == 0) 2616 || (subtypeId == lastInputMethodSubtypeId)) { 2617 checkedItem = i; 2618 } 2619 } 2620 } 2621 final TypedArray a = context.obtainStyledAttributes(null, 2622 com.android.internal.R.styleable.DialogPreference, 2623 com.android.internal.R.attr.alertDialogStyle, 0); 2624 mDialogBuilder = new AlertDialog.Builder(context) 2625 .setOnCancelListener(new OnCancelListener() { 2626 @Override 2627 public void onCancel(DialogInterface dialog) { 2628 hideInputMethodMenu(); 2629 } 2630 }) 2631 .setIcon(a.getDrawable( 2632 com.android.internal.R.styleable.DialogPreference_dialogTitle)); 2633 a.recycle(); 2634 final LayoutInflater inflater = 2635 (LayoutInflater)mContext.getSystemService(Context.LAYOUT_INFLATER_SERVICE); 2636 final View tv = inflater.inflate( 2637 com.android.internal.R.layout.input_method_switch_dialog_title, null); 2638 mDialogBuilder.setCustomTitle(tv); 2639 2640 // Setup layout for a toggle switch of the hardware keyboard 2641 mSwitchingDialogTitleView = tv; 2642 mSwitchingDialogTitleView.findViewById( 2643 com.android.internal.R.id.hard_keyboard_section).setVisibility( 2644 mWindowManagerService.isHardKeyboardAvailable() ? 2645 View.VISIBLE : View.GONE); 2646 final Switch hardKeySwitch = ((Switch)mSwitchingDialogTitleView.findViewById( 2647 com.android.internal.R.id.hard_keyboard_switch)); 2648 hardKeySwitch.setChecked(mWindowManagerService.isHardKeyboardEnabled()); 2649 hardKeySwitch.setOnCheckedChangeListener( 2650 new OnCheckedChangeListener() { 2651 @Override 2652 public void onCheckedChanged( 2653 CompoundButton buttonView, boolean isChecked) { 2654 mWindowManagerService.setHardKeyboardEnabled(isChecked); 2655 // Ensure that the input method dialog is dismissed when changing 2656 // the hardware keyboard state. 2657 hideInputMethodMenu(); 2658 } 2659 }); 2660 2661 final ImeSubtypeListAdapter adapter = new ImeSubtypeListAdapter(context, 2662 com.android.internal.R.layout.simple_list_item_2_single_choice, imList, 2663 checkedItem); 2664 2665 mDialogBuilder.setSingleChoiceItems(adapter, checkedItem, 2666 new AlertDialog.OnClickListener() { 2667 @Override 2668 public void onClick(DialogInterface dialog, int which) { 2669 synchronized (mMethodMap) { 2670 if (mIms == null || mIms.length <= which 2671 || mSubtypeIds == null || mSubtypeIds.length <= which) { 2672 return; 2673 } 2674 InputMethodInfo im = mIms[which]; 2675 int subtypeId = mSubtypeIds[which]; 2676 adapter.mCheckedItem = which; 2677 adapter.notifyDataSetChanged(); 2678 hideInputMethodMenu(); 2679 if (im != null) { 2680 if ((subtypeId < 0) 2681 || (subtypeId >= im.getSubtypeCount())) { 2682 subtypeId = NOT_A_SUBTYPE_ID; 2683 } 2684 setInputMethodLocked(im.getId(), subtypeId); 2685 } 2686 } 2687 } 2688 }); 2689 2690 if (showSubtypes && !isScreenLocked) { 2691 mDialogBuilder.setPositiveButton( 2692 com.android.internal.R.string.configure_input_methods, 2693 new DialogInterface.OnClickListener() { 2694 @Override 2695 public void onClick(DialogInterface dialog, int whichButton) { 2696 showConfigureInputMethods(); 2697 } 2698 }); 2699 } 2700 mSwitchingDialog = mDialogBuilder.create(); 2701 mSwitchingDialog.setCanceledOnTouchOutside(true); 2702 mSwitchingDialog.getWindow().setType( 2703 WindowManager.LayoutParams.TYPE_INPUT_METHOD_DIALOG); 2704 mSwitchingDialog.getWindow().getAttributes().privateFlags |= 2705 WindowManager.LayoutParams.PRIVATE_FLAG_SHOW_FOR_ALL_USERS; 2706 mSwitchingDialog.getWindow().getAttributes().setTitle("Select input method"); 2707 mSwitchingDialog.show(); 2708 } 2709 } 2710 2711 private static class ImeSubtypeListItem implements Comparable<ImeSubtypeListItem> { 2712 public final CharSequence mImeName; 2713 public final CharSequence mSubtypeName; 2714 public final InputMethodInfo mImi; 2715 public final int mSubtypeId; 2716 private final boolean mIsSystemLocale; 2717 private final boolean mIsSystemLanguage; 2718 2719 public ImeSubtypeListItem(CharSequence imeName, CharSequence subtypeName, 2720 InputMethodInfo imi, int subtypeId, String subtypeLocale, String systemLocale) { 2721 mImeName = imeName; 2722 mSubtypeName = subtypeName; 2723 mImi = imi; 2724 mSubtypeId = subtypeId; 2725 if (TextUtils.isEmpty(subtypeLocale)) { 2726 mIsSystemLocale = false; 2727 mIsSystemLanguage = false; 2728 } else { 2729 mIsSystemLocale = subtypeLocale.equals(systemLocale); 2730 mIsSystemLanguage = mIsSystemLocale 2731 || subtypeLocale.startsWith(systemLocale.substring(0, 2)); 2732 } 2733 } 2734 2735 @Override 2736 public int compareTo(ImeSubtypeListItem other) { 2737 if (TextUtils.isEmpty(mImeName)) { 2738 return 1; 2739 } 2740 if (TextUtils.isEmpty(other.mImeName)) { 2741 return -1; 2742 } 2743 if (!TextUtils.equals(mImeName, other.mImeName)) { 2744 return mImeName.toString().compareTo(other.mImeName.toString()); 2745 } 2746 if (TextUtils.equals(mSubtypeName, other.mSubtypeName)) { 2747 return 0; 2748 } 2749 if (mIsSystemLocale) { 2750 return -1; 2751 } 2752 if (other.mIsSystemLocale) { 2753 return 1; 2754 } 2755 if (mIsSystemLanguage) { 2756 return -1; 2757 } 2758 if (other.mIsSystemLanguage) { 2759 return 1; 2760 } 2761 if (TextUtils.isEmpty(mSubtypeName)) { 2762 return 1; 2763 } 2764 if (TextUtils.isEmpty(other.mSubtypeName)) { 2765 return -1; 2766 } 2767 return mSubtypeName.toString().compareTo(other.mSubtypeName.toString()); 2768 } 2769 } 2770 2771 private static class ImeSubtypeListAdapter extends ArrayAdapter<ImeSubtypeListItem> { 2772 private final LayoutInflater mInflater; 2773 private final int mTextViewResourceId; 2774 private final List<ImeSubtypeListItem> mItemsList; 2775 public int mCheckedItem; 2776 public ImeSubtypeListAdapter(Context context, int textViewResourceId, 2777 List<ImeSubtypeListItem> itemsList, int checkedItem) { 2778 super(context, textViewResourceId, itemsList); 2779 mTextViewResourceId = textViewResourceId; 2780 mItemsList = itemsList; 2781 mCheckedItem = checkedItem; 2782 mInflater = (LayoutInflater)context.getSystemService(Context.LAYOUT_INFLATER_SERVICE); 2783 } 2784 2785 @Override 2786 public View getView(int position, View convertView, ViewGroup parent) { 2787 final View view = convertView != null ? convertView 2788 : mInflater.inflate(mTextViewResourceId, null); 2789 if (position < 0 || position >= mItemsList.size()) return view; 2790 final ImeSubtypeListItem item = mItemsList.get(position); 2791 final CharSequence imeName = item.mImeName; 2792 final CharSequence subtypeName = item.mSubtypeName; 2793 final TextView firstTextView = (TextView)view.findViewById(android.R.id.text1); 2794 final TextView secondTextView = (TextView)view.findViewById(android.R.id.text2); 2795 if (TextUtils.isEmpty(subtypeName)) { 2796 firstTextView.setText(imeName); 2797 secondTextView.setVisibility(View.GONE); 2798 } else { 2799 firstTextView.setText(subtypeName); 2800 secondTextView.setText(imeName); 2801 secondTextView.setVisibility(View.VISIBLE); 2802 } 2803 final RadioButton radioButton = 2804 (RadioButton)view.findViewById(com.android.internal.R.id.radio); 2805 radioButton.setChecked(position == mCheckedItem); 2806 return view; 2807 } 2808 } 2809 2810 void hideInputMethodMenu() { 2811 synchronized (mMethodMap) { 2812 hideInputMethodMenuLocked(); 2813 } 2814 } 2815 2816 void hideInputMethodMenuLocked() { 2817 if (DEBUG) Slog.v(TAG, "Hide switching menu"); 2818 2819 if (mSwitchingDialog != null) { 2820 mSwitchingDialog.dismiss(); 2821 mSwitchingDialog = null; 2822 } 2823 2824 mDialogBuilder = null; 2825 mIms = null; 2826 } 2827 2828 // ---------------------------------------------------------------------- 2829 2830 @Override 2831 public boolean setInputMethodEnabled(String id, boolean enabled) { 2832 // TODO: Make this work even for non-current users? 2833 if (!calledFromValidUser()) { 2834 return false; 2835 } 2836 synchronized (mMethodMap) { 2837 if (mContext.checkCallingOrSelfPermission( 2838 android.Manifest.permission.WRITE_SECURE_SETTINGS) 2839 != PackageManager.PERMISSION_GRANTED) { 2840 throw new SecurityException( 2841 "Requires permission " 2842 + android.Manifest.permission.WRITE_SECURE_SETTINGS); 2843 } 2844 2845 long ident = Binder.clearCallingIdentity(); 2846 try { 2847 return setInputMethodEnabledLocked(id, enabled); 2848 } finally { 2849 Binder.restoreCallingIdentity(ident); 2850 } 2851 } 2852 } 2853 2854 boolean setInputMethodEnabledLocked(String id, boolean enabled) { 2855 // Make sure this is a valid input method. 2856 InputMethodInfo imm = mMethodMap.get(id); 2857 if (imm == null) { 2858 throw new IllegalArgumentException("Unknown id: " + mCurMethodId); 2859 } 2860 2861 List<Pair<String, ArrayList<String>>> enabledInputMethodsList = mSettings 2862 .getEnabledInputMethodsAndSubtypeListLocked(); 2863 2864 if (enabled) { 2865 for (Pair<String, ArrayList<String>> pair: enabledInputMethodsList) { 2866 if (pair.first.equals(id)) { 2867 // We are enabling this input method, but it is already enabled. 2868 // Nothing to do. The previous state was enabled. 2869 return true; 2870 } 2871 } 2872 mSettings.appendAndPutEnabledInputMethodLocked(id, false); 2873 // Previous state was disabled. 2874 return false; 2875 } else { 2876 StringBuilder builder = new StringBuilder(); 2877 if (mSettings.buildAndPutEnabledInputMethodsStrRemovingIdLocked( 2878 builder, enabledInputMethodsList, id)) { 2879 // Disabled input method is currently selected, switch to another one. 2880 final String selId = mSettings.getSelectedInputMethod(); 2881 if (id.equals(selId) && !chooseNewDefaultIMELocked()) { 2882 Slog.i(TAG, "Can't find new IME, unsetting the current input method."); 2883 resetSelectedInputMethodAndSubtypeLocked(""); 2884 } 2885 // Previous state was enabled. 2886 return true; 2887 } else { 2888 // We are disabling the input method but it is already disabled. 2889 // Nothing to do. The previous state was disabled. 2890 return false; 2891 } 2892 } 2893 } 2894 2895 private void setSelectedInputMethodAndSubtypeLocked(InputMethodInfo imi, int subtypeId, 2896 boolean setSubtypeOnly) { 2897 // Update the history of InputMethod and Subtype 2898 mSettings.saveCurrentInputMethodAndSubtypeToHistory(mCurMethodId, mCurrentSubtype); 2899 2900 // Set Subtype here 2901 if (imi == null || subtypeId < 0) { 2902 mSettings.putSelectedSubtype(NOT_A_SUBTYPE_ID); 2903 mCurrentSubtype = null; 2904 } else { 2905 if (subtypeId < imi.getSubtypeCount()) { 2906 InputMethodSubtype subtype = imi.getSubtypeAt(subtypeId); 2907 mSettings.putSelectedSubtype(subtype.hashCode()); 2908 mCurrentSubtype = subtype; 2909 } else { 2910 mSettings.putSelectedSubtype(NOT_A_SUBTYPE_ID); 2911 // If the subtype is not specified, choose the most applicable one 2912 mCurrentSubtype = getCurrentInputMethodSubtypeLocked(); 2913 } 2914 } 2915 2916 // Workaround. 2917 // ASEC is not ready in the IMMS constructor. Accordingly, forward-locked 2918 // IMEs are not recognized and considered uninstalled. 2919 // Actually, we can't move everything after SystemReady because 2920 // IMMS needs to run in the encryption lock screen. So, we just skip changing 2921 // the default IME here and try cheking the default IME again in systemReady(). 2922 // TODO: Do nothing before system ready and implement a separated logic for 2923 // the encryption lock screen. 2924 // TODO: ASEC should be ready before IMMS is instantiated. 2925 if (mSystemReady && !setSubtypeOnly) { 2926 // Set InputMethod here 2927 mSettings.putSelectedInputMethod(imi != null ? imi.getId() : ""); 2928 } 2929 } 2930 2931 private void resetSelectedInputMethodAndSubtypeLocked(String newDefaultIme) { 2932 InputMethodInfo imi = mMethodMap.get(newDefaultIme); 2933 int lastSubtypeId = NOT_A_SUBTYPE_ID; 2934 // newDefaultIme is empty when there is no candidate for the selected IME. 2935 if (imi != null && !TextUtils.isEmpty(newDefaultIme)) { 2936 String subtypeHashCode = mSettings.getLastSubtypeForInputMethodLocked(newDefaultIme); 2937 if (subtypeHashCode != null) { 2938 try { 2939 lastSubtypeId = InputMethodUtils.getSubtypeIdFromHashCode( 2940 imi, Integer.valueOf(subtypeHashCode)); 2941 } catch (NumberFormatException e) { 2942 Slog.w(TAG, "HashCode for subtype looks broken: " + subtypeHashCode, e); 2943 } 2944 } 2945 } 2946 setSelectedInputMethodAndSubtypeLocked(imi, lastSubtypeId, false); 2947 } 2948 2949 // If there are no selected shortcuts, tries finding the most applicable ones. 2950 private Pair<InputMethodInfo, InputMethodSubtype> 2951 findLastResortApplicableShortcutInputMethodAndSubtypeLocked(String mode) { 2952 List<InputMethodInfo> imis = mSettings.getEnabledInputMethodListLocked(); 2953 InputMethodInfo mostApplicableIMI = null; 2954 InputMethodSubtype mostApplicableSubtype = null; 2955 boolean foundInSystemIME = false; 2956 2957 // Search applicable subtype for each InputMethodInfo 2958 for (InputMethodInfo imi: imis) { 2959 final String imiId = imi.getId(); 2960 if (foundInSystemIME && !imiId.equals(mCurMethodId)) { 2961 continue; 2962 } 2963 InputMethodSubtype subtype = null; 2964 final List<InputMethodSubtype> enabledSubtypes = 2965 mSettings.getEnabledInputMethodSubtypeListLocked(mContext, imi, true); 2966 // 1. Search by the current subtype's locale from enabledSubtypes. 2967 if (mCurrentSubtype != null) { 2968 subtype = InputMethodUtils.findLastResortApplicableSubtypeLocked( 2969 mRes, enabledSubtypes, mode, mCurrentSubtype.getLocale(), false); 2970 } 2971 // 2. Search by the system locale from enabledSubtypes. 2972 // 3. Search the first enabled subtype matched with mode from enabledSubtypes. 2973 if (subtype == null) { 2974 subtype = InputMethodUtils.findLastResortApplicableSubtypeLocked( 2975 mRes, enabledSubtypes, mode, null, true); 2976 } 2977 final ArrayList<InputMethodSubtype> overridingImplicitlyEnabledSubtypes = 2978 InputMethodUtils.getOverridingImplicitlyEnabledSubtypes(imi, mode); 2979 final ArrayList<InputMethodSubtype> subtypesForSearch = 2980 overridingImplicitlyEnabledSubtypes.isEmpty() 2981 ? InputMethodUtils.getSubtypes(imi) 2982 : overridingImplicitlyEnabledSubtypes; 2983 // 4. Search by the current subtype's locale from all subtypes. 2984 if (subtype == null && mCurrentSubtype != null) { 2985 subtype = InputMethodUtils.findLastResortApplicableSubtypeLocked( 2986 mRes, subtypesForSearch, mode, mCurrentSubtype.getLocale(), false); 2987 } 2988 // 5. Search by the system locale from all subtypes. 2989 // 6. Search the first enabled subtype matched with mode from all subtypes. 2990 if (subtype == null) { 2991 subtype = InputMethodUtils.findLastResortApplicableSubtypeLocked( 2992 mRes, subtypesForSearch, mode, null, true); 2993 } 2994 if (subtype != null) { 2995 if (imiId.equals(mCurMethodId)) { 2996 // The current input method is the most applicable IME. 2997 mostApplicableIMI = imi; 2998 mostApplicableSubtype = subtype; 2999 break; 3000 } else if (!foundInSystemIME) { 3001 // The system input method is 2nd applicable IME. 3002 mostApplicableIMI = imi; 3003 mostApplicableSubtype = subtype; 3004 if ((imi.getServiceInfo().applicationInfo.flags 3005 & ApplicationInfo.FLAG_SYSTEM) != 0) { 3006 foundInSystemIME = true; 3007 } 3008 } 3009 } 3010 } 3011 if (DEBUG) { 3012 if (mostApplicableIMI != null) { 3013 Slog.w(TAG, "Most applicable shortcut input method was:" 3014 + mostApplicableIMI.getId()); 3015 if (mostApplicableSubtype != null) { 3016 Slog.w(TAG, "Most applicable shortcut input method subtype was:" 3017 + "," + mostApplicableSubtype.getMode() + "," 3018 + mostApplicableSubtype.getLocale()); 3019 } 3020 } 3021 } 3022 if (mostApplicableIMI != null) { 3023 return new Pair<InputMethodInfo, InputMethodSubtype> (mostApplicableIMI, 3024 mostApplicableSubtype); 3025 } else { 3026 return null; 3027 } 3028 } 3029 3030 /** 3031 * @return Return the current subtype of this input method. 3032 */ 3033 @Override 3034 public InputMethodSubtype getCurrentInputMethodSubtype() { 3035 // TODO: Make this work even for non-current users? 3036 if (!calledFromValidUser()) { 3037 return null; 3038 } 3039 synchronized (mMethodMap) { 3040 return getCurrentInputMethodSubtypeLocked(); 3041 } 3042 } 3043 3044 private InputMethodSubtype getCurrentInputMethodSubtypeLocked() { 3045 if (mCurMethodId == null) { 3046 return null; 3047 } 3048 final boolean subtypeIsSelected = mSettings.isSubtypeSelected(); 3049 final InputMethodInfo imi = mMethodMap.get(mCurMethodId); 3050 if (imi == null || imi.getSubtypeCount() == 0) { 3051 return null; 3052 } 3053 if (!subtypeIsSelected || mCurrentSubtype == null 3054 || !InputMethodUtils.isValidSubtypeId(imi, mCurrentSubtype.hashCode())) { 3055 int subtypeId = mSettings.getSelectedInputMethodSubtypeId(mCurMethodId); 3056 if (subtypeId == NOT_A_SUBTYPE_ID) { 3057 // If there are no selected subtypes, the framework will try to find 3058 // the most applicable subtype from explicitly or implicitly enabled 3059 // subtypes. 3060 List<InputMethodSubtype> explicitlyOrImplicitlyEnabledSubtypes = 3061 mSettings.getEnabledInputMethodSubtypeListLocked(mContext, imi, true); 3062 // If there is only one explicitly or implicitly enabled subtype, 3063 // just returns it. 3064 if (explicitlyOrImplicitlyEnabledSubtypes.size() == 1) { 3065 mCurrentSubtype = explicitlyOrImplicitlyEnabledSubtypes.get(0); 3066 } else if (explicitlyOrImplicitlyEnabledSubtypes.size() > 1) { 3067 mCurrentSubtype = InputMethodUtils.findLastResortApplicableSubtypeLocked( 3068 mRes, explicitlyOrImplicitlyEnabledSubtypes, 3069 InputMethodUtils.SUBTYPE_MODE_KEYBOARD, null, true); 3070 if (mCurrentSubtype == null) { 3071 mCurrentSubtype = InputMethodUtils.findLastResortApplicableSubtypeLocked( 3072 mRes, explicitlyOrImplicitlyEnabledSubtypes, null, null, 3073 true); 3074 } 3075 } 3076 } else { 3077 mCurrentSubtype = InputMethodUtils.getSubtypes(imi).get(subtypeId); 3078 } 3079 } 3080 return mCurrentSubtype; 3081 } 3082 3083 private void addShortcutInputMethodAndSubtypes(InputMethodInfo imi, 3084 InputMethodSubtype subtype) { 3085 if (mShortcutInputMethodsAndSubtypes.containsKey(imi)) { 3086 mShortcutInputMethodsAndSubtypes.get(imi).add(subtype); 3087 } else { 3088 ArrayList<InputMethodSubtype> subtypes = new ArrayList<InputMethodSubtype>(); 3089 subtypes.add(subtype); 3090 mShortcutInputMethodsAndSubtypes.put(imi, subtypes); 3091 } 3092 } 3093 3094 // TODO: We should change the return type from List to List<Parcelable> 3095 @SuppressWarnings("rawtypes") 3096 @Override 3097 public List getShortcutInputMethodsAndSubtypes() { 3098 synchronized (mMethodMap) { 3099 ArrayList<Object> ret = new ArrayList<Object>(); 3100 if (mShortcutInputMethodsAndSubtypes.size() == 0) { 3101 // If there are no selected shortcut subtypes, the framework will try to find 3102 // the most applicable subtype from all subtypes whose mode is 3103 // SUBTYPE_MODE_VOICE. This is an exceptional case, so we will hardcode the mode. 3104 Pair<InputMethodInfo, InputMethodSubtype> info = 3105 findLastResortApplicableShortcutInputMethodAndSubtypeLocked( 3106 InputMethodUtils.SUBTYPE_MODE_VOICE); 3107 if (info != null) { 3108 ret.add(info.first); 3109 ret.add(info.second); 3110 } 3111 return ret; 3112 } 3113 for (InputMethodInfo imi: mShortcutInputMethodsAndSubtypes.keySet()) { 3114 ret.add(imi); 3115 for (InputMethodSubtype subtype: mShortcutInputMethodsAndSubtypes.get(imi)) { 3116 ret.add(subtype); 3117 } 3118 } 3119 return ret; 3120 } 3121 } 3122 3123 @Override 3124 public boolean setCurrentInputMethodSubtype(InputMethodSubtype subtype) { 3125 // TODO: Make this work even for non-current users? 3126 if (!calledFromValidUser()) { 3127 return false; 3128 } 3129 synchronized (mMethodMap) { 3130 if (subtype != null && mCurMethodId != null) { 3131 InputMethodInfo imi = mMethodMap.get(mCurMethodId); 3132 int subtypeId = InputMethodUtils.getSubtypeIdFromHashCode(imi, subtype.hashCode()); 3133 if (subtypeId != NOT_A_SUBTYPE_ID) { 3134 setInputMethodLocked(mCurMethodId, subtypeId); 3135 return true; 3136 } 3137 } 3138 return false; 3139 } 3140 } 3141 3142 private static class InputMethodAndSubtypeListManager { 3143 private final Context mContext; 3144 // Used to load label 3145 private final PackageManager mPm; 3146 private final InputMethodManagerService mImms; 3147 private final String mSystemLocaleStr; 3148 public InputMethodAndSubtypeListManager(Context context, InputMethodManagerService imms) { 3149 mContext = context; 3150 mPm = context.getPackageManager(); 3151 mImms = imms; 3152 final Locale locale = context.getResources().getConfiguration().locale; 3153 mSystemLocaleStr = locale != null ? locale.toString() : ""; 3154 } 3155 3156 private final TreeMap<InputMethodInfo, List<InputMethodSubtype>> mSortedImmis = 3157 new TreeMap<InputMethodInfo, List<InputMethodSubtype>>( 3158 new Comparator<InputMethodInfo>() { 3159 @Override 3160 public int compare(InputMethodInfo imi1, InputMethodInfo imi2) { 3161 if (imi2 == null) return 0; 3162 if (imi1 == null) return 1; 3163 if (mPm == null) { 3164 return imi1.getId().compareTo(imi2.getId()); 3165 } 3166 CharSequence imiId1 = imi1.loadLabel(mPm) + "/" + imi1.getId(); 3167 CharSequence imiId2 = imi2.loadLabel(mPm) + "/" + imi2.getId(); 3168 return imiId1.toString().compareTo(imiId2.toString()); 3169 } 3170 }); 3171 3172 public ImeSubtypeListItem getNextInputMethod( 3173 boolean onlyCurrentIme, InputMethodInfo imi, InputMethodSubtype subtype) { 3174 if (imi == null) { 3175 return null; 3176 } 3177 final List<ImeSubtypeListItem> imList = getSortedInputMethodAndSubtypeList(); 3178 if (imList.size() <= 1) { 3179 return null; 3180 } 3181 final int N = imList.size(); 3182 final int currentSubtypeId = subtype != null 3183 ? InputMethodUtils.getSubtypeIdFromHashCode(imi, subtype.hashCode()) 3184 : NOT_A_SUBTYPE_ID; 3185 for (int i = 0; i < N; ++i) { 3186 final ImeSubtypeListItem isli = imList.get(i); 3187 if (isli.mImi.equals(imi) && isli.mSubtypeId == currentSubtypeId) { 3188 if (!onlyCurrentIme) { 3189 return imList.get((i + 1) % N); 3190 } 3191 for (int j = 0; j < N - 1; ++j) { 3192 final ImeSubtypeListItem candidate = imList.get((i + j + 1) % N); 3193 if (candidate.mImi.equals(imi)) { 3194 return candidate; 3195 } 3196 } 3197 return null; 3198 } 3199 } 3200 return null; 3201 } 3202 3203 public List<ImeSubtypeListItem> getSortedInputMethodAndSubtypeList() { 3204 return getSortedInputMethodAndSubtypeList(true, false, false); 3205 } 3206 3207 public List<ImeSubtypeListItem> getSortedInputMethodAndSubtypeList(boolean showSubtypes, 3208 boolean inputShown, boolean isScreenLocked) { 3209 final ArrayList<ImeSubtypeListItem> imList = new ArrayList<ImeSubtypeListItem>(); 3210 final HashMap<InputMethodInfo, List<InputMethodSubtype>> immis = 3211 mImms.getExplicitlyOrImplicitlyEnabledInputMethodsAndSubtypeListLocked(); 3212 if (immis == null || immis.size() == 0) { 3213 return Collections.emptyList(); 3214 } 3215 mSortedImmis.clear(); 3216 mSortedImmis.putAll(immis); 3217 for (InputMethodInfo imi : mSortedImmis.keySet()) { 3218 if (imi == null) continue; 3219 List<InputMethodSubtype> explicitlyOrImplicitlyEnabledSubtypeList = immis.get(imi); 3220 HashSet<String> enabledSubtypeSet = new HashSet<String>(); 3221 for (InputMethodSubtype subtype: explicitlyOrImplicitlyEnabledSubtypeList) { 3222 enabledSubtypeSet.add(String.valueOf(subtype.hashCode())); 3223 } 3224 final CharSequence imeLabel = imi.loadLabel(mPm); 3225 if (showSubtypes && enabledSubtypeSet.size() > 0) { 3226 final int subtypeCount = imi.getSubtypeCount(); 3227 if (DEBUG) { 3228 Slog.v(TAG, "Add subtypes: " + subtypeCount + ", " + imi.getId()); 3229 } 3230 for (int j = 0; j < subtypeCount; ++j) { 3231 final InputMethodSubtype subtype = imi.getSubtypeAt(j); 3232 final String subtypeHashCode = String.valueOf(subtype.hashCode()); 3233 // We show all enabled IMEs and subtypes when an IME is shown. 3234 if (enabledSubtypeSet.contains(subtypeHashCode) 3235 && ((inputShown && !isScreenLocked) || !subtype.isAuxiliary())) { 3236 final CharSequence subtypeLabel = 3237 subtype.overridesImplicitlyEnabledSubtype() ? null 3238 : subtype.getDisplayName(mContext, imi.getPackageName(), 3239 imi.getServiceInfo().applicationInfo); 3240 imList.add(new ImeSubtypeListItem(imeLabel, subtypeLabel, imi, j, 3241 subtype.getLocale(), mSystemLocaleStr)); 3242 3243 // Removing this subtype from enabledSubtypeSet because we no longer 3244 // need to add an entry of this subtype to imList to avoid duplicated 3245 // entries. 3246 enabledSubtypeSet.remove(subtypeHashCode); 3247 } 3248 } 3249 } else { 3250 imList.add(new ImeSubtypeListItem(imeLabel, null, imi, NOT_A_SUBTYPE_ID, 3251 null, mSystemLocaleStr)); 3252 } 3253 } 3254 Collections.sort(imList); 3255 return imList; 3256 } 3257 } 3258 3259 // TODO: Cache the state for each user and reset when the cached user is removed. 3260 private static class InputMethodFileManager { 3261 private static final String SYSTEM_PATH = "system"; 3262 private static final String INPUT_METHOD_PATH = "inputmethod"; 3263 private static final String ADDITIONAL_SUBTYPES_FILE_NAME = "subtypes.xml"; 3264 private static final String NODE_SUBTYPES = "subtypes"; 3265 private static final String NODE_SUBTYPE = "subtype"; 3266 private static final String NODE_IMI = "imi"; 3267 private static final String ATTR_ID = "id"; 3268 private static final String ATTR_LABEL = "label"; 3269 private static final String ATTR_ICON = "icon"; 3270 private static final String ATTR_IME_SUBTYPE_LOCALE = "imeSubtypeLocale"; 3271 private static final String ATTR_IME_SUBTYPE_MODE = "imeSubtypeMode"; 3272 private static final String ATTR_IME_SUBTYPE_EXTRA_VALUE = "imeSubtypeExtraValue"; 3273 private static final String ATTR_IS_AUXILIARY = "isAuxiliary"; 3274 private final AtomicFile mAdditionalInputMethodSubtypeFile; 3275 private final HashMap<String, InputMethodInfo> mMethodMap; 3276 private final HashMap<String, List<InputMethodSubtype>> mAdditionalSubtypesMap = 3277 new HashMap<String, List<InputMethodSubtype>>(); 3278 public InputMethodFileManager(HashMap<String, InputMethodInfo> methodMap, int userId) { 3279 if (methodMap == null) { 3280 throw new NullPointerException("methodMap is null"); 3281 } 3282 mMethodMap = methodMap; 3283 final File systemDir = userId == UserHandle.USER_OWNER 3284 ? new File(Environment.getDataDirectory(), SYSTEM_PATH) 3285 : Environment.getUserSystemDirectory(userId); 3286 final File inputMethodDir = new File(systemDir, INPUT_METHOD_PATH); 3287 if (!inputMethodDir.mkdirs()) { 3288 Slog.w(TAG, "Couldn't create dir.: " + inputMethodDir.getAbsolutePath()); 3289 } 3290 final File subtypeFile = new File(inputMethodDir, ADDITIONAL_SUBTYPES_FILE_NAME); 3291 mAdditionalInputMethodSubtypeFile = new AtomicFile(subtypeFile); 3292 if (!subtypeFile.exists()) { 3293 // If "subtypes.xml" doesn't exist, create a blank file. 3294 writeAdditionalInputMethodSubtypes( 3295 mAdditionalSubtypesMap, mAdditionalInputMethodSubtypeFile, methodMap); 3296 } else { 3297 readAdditionalInputMethodSubtypes( 3298 mAdditionalSubtypesMap, mAdditionalInputMethodSubtypeFile); 3299 } 3300 } 3301 3302 private void deleteAllInputMethodSubtypes(String imiId) { 3303 synchronized (mMethodMap) { 3304 mAdditionalSubtypesMap.remove(imiId); 3305 writeAdditionalInputMethodSubtypes( 3306 mAdditionalSubtypesMap, mAdditionalInputMethodSubtypeFile, mMethodMap); 3307 } 3308 } 3309 3310 public void addInputMethodSubtypes( 3311 InputMethodInfo imi, InputMethodSubtype[] additionalSubtypes) { 3312 synchronized (mMethodMap) { 3313 final ArrayList<InputMethodSubtype> subtypes = new ArrayList<InputMethodSubtype>(); 3314 final int N = additionalSubtypes.length; 3315 for (int i = 0; i < N; ++i) { 3316 final InputMethodSubtype subtype = additionalSubtypes[i]; 3317 if (!subtypes.contains(subtype)) { 3318 subtypes.add(subtype); 3319 } else { 3320 Slog.w(TAG, "Duplicated subtype definition found: " 3321 + subtype.getLocale() + ", " + subtype.getMode()); 3322 } 3323 } 3324 mAdditionalSubtypesMap.put(imi.getId(), subtypes); 3325 writeAdditionalInputMethodSubtypes( 3326 mAdditionalSubtypesMap, mAdditionalInputMethodSubtypeFile, mMethodMap); 3327 } 3328 } 3329 3330 public HashMap<String, List<InputMethodSubtype>> getAllAdditionalInputMethodSubtypes() { 3331 synchronized (mMethodMap) { 3332 return mAdditionalSubtypesMap; 3333 } 3334 } 3335 3336 private static void writeAdditionalInputMethodSubtypes( 3337 HashMap<String, List<InputMethodSubtype>> allSubtypes, AtomicFile subtypesFile, 3338 HashMap<String, InputMethodInfo> methodMap) { 3339 // Safety net for the case that this function is called before methodMap is set. 3340 final boolean isSetMethodMap = methodMap != null && methodMap.size() > 0; 3341 FileOutputStream fos = null; 3342 try { 3343 fos = subtypesFile.startWrite(); 3344 final XmlSerializer out = new FastXmlSerializer(); 3345 out.setOutput(fos, "utf-8"); 3346 out.startDocument(null, true); 3347 out.setFeature("http://xmlpull.org/v1/doc/features.html#indent-output", true); 3348 out.startTag(null, NODE_SUBTYPES); 3349 for (String imiId : allSubtypes.keySet()) { 3350 if (isSetMethodMap && !methodMap.containsKey(imiId)) { 3351 Slog.w(TAG, "IME uninstalled or not valid.: " + imiId); 3352 continue; 3353 } 3354 out.startTag(null, NODE_IMI); 3355 out.attribute(null, ATTR_ID, imiId); 3356 final List<InputMethodSubtype> subtypesList = allSubtypes.get(imiId); 3357 final int N = subtypesList.size(); 3358 for (int i = 0; i < N; ++i) { 3359 final InputMethodSubtype subtype = subtypesList.get(i); 3360 out.startTag(null, NODE_SUBTYPE); 3361 out.attribute(null, ATTR_ICON, String.valueOf(subtype.getIconResId())); 3362 out.attribute(null, ATTR_LABEL, String.valueOf(subtype.getNameResId())); 3363 out.attribute(null, ATTR_IME_SUBTYPE_LOCALE, subtype.getLocale()); 3364 out.attribute(null, ATTR_IME_SUBTYPE_MODE, subtype.getMode()); 3365 out.attribute(null, ATTR_IME_SUBTYPE_EXTRA_VALUE, subtype.getExtraValue()); 3366 out.attribute(null, ATTR_IS_AUXILIARY, 3367 String.valueOf(subtype.isAuxiliary() ? 1 : 0)); 3368 out.endTag(null, NODE_SUBTYPE); 3369 } 3370 out.endTag(null, NODE_IMI); 3371 } 3372 out.endTag(null, NODE_SUBTYPES); 3373 out.endDocument(); 3374 subtypesFile.finishWrite(fos); 3375 } catch (java.io.IOException e) { 3376 Slog.w(TAG, "Error writing subtypes", e); 3377 if (fos != null) { 3378 subtypesFile.failWrite(fos); 3379 } 3380 } 3381 } 3382 3383 private static void readAdditionalInputMethodSubtypes( 3384 HashMap<String, List<InputMethodSubtype>> allSubtypes, AtomicFile subtypesFile) { 3385 if (allSubtypes == null || subtypesFile == null) return; 3386 allSubtypes.clear(); 3387 FileInputStream fis = null; 3388 try { 3389 fis = subtypesFile.openRead(); 3390 final XmlPullParser parser = Xml.newPullParser(); 3391 parser.setInput(fis, null); 3392 int type = parser.getEventType(); 3393 // Skip parsing until START_TAG 3394 while ((type = parser.next()) != XmlPullParser.START_TAG 3395 && type != XmlPullParser.END_DOCUMENT) {} 3396 String firstNodeName = parser.getName(); 3397 if (!NODE_SUBTYPES.equals(firstNodeName)) { 3398 throw new XmlPullParserException("Xml doesn't start with subtypes"); 3399 } 3400 final int depth =parser.getDepth(); 3401 String currentImiId = null; 3402 ArrayList<InputMethodSubtype> tempSubtypesArray = null; 3403 while (((type = parser.next()) != XmlPullParser.END_TAG 3404 || parser.getDepth() > depth) && type != XmlPullParser.END_DOCUMENT) { 3405 if (type != XmlPullParser.START_TAG) 3406 continue; 3407 final String nodeName = parser.getName(); 3408 if (NODE_IMI.equals(nodeName)) { 3409 currentImiId = parser.getAttributeValue(null, ATTR_ID); 3410 if (TextUtils.isEmpty(currentImiId)) { 3411 Slog.w(TAG, "Invalid imi id found in subtypes.xml"); 3412 continue; 3413 } 3414 tempSubtypesArray = new ArrayList<InputMethodSubtype>(); 3415 allSubtypes.put(currentImiId, tempSubtypesArray); 3416 } else if (NODE_SUBTYPE.equals(nodeName)) { 3417 if (TextUtils.isEmpty(currentImiId) || tempSubtypesArray == null) { 3418 Slog.w(TAG, "IME uninstalled or not valid.: " + currentImiId); 3419 continue; 3420 } 3421 final int icon = Integer.valueOf( 3422 parser.getAttributeValue(null, ATTR_ICON)); 3423 final int label = Integer.valueOf( 3424 parser.getAttributeValue(null, ATTR_LABEL)); 3425 final String imeSubtypeLocale = 3426 parser.getAttributeValue(null, ATTR_IME_SUBTYPE_LOCALE); 3427 final String imeSubtypeMode = 3428 parser.getAttributeValue(null, ATTR_IME_SUBTYPE_MODE); 3429 final String imeSubtypeExtraValue = 3430 parser.getAttributeValue(null, ATTR_IME_SUBTYPE_EXTRA_VALUE); 3431 final boolean isAuxiliary = "1".equals(String.valueOf( 3432 parser.getAttributeValue(null, ATTR_IS_AUXILIARY))); 3433 final InputMethodSubtype subtype = 3434 new InputMethodSubtype(label, icon, imeSubtypeLocale, 3435 imeSubtypeMode, imeSubtypeExtraValue, isAuxiliary); 3436 tempSubtypesArray.add(subtype); 3437 } 3438 } 3439 } catch (XmlPullParserException e) { 3440 Slog.w(TAG, "Error reading subtypes: " + e); 3441 return; 3442 } catch (java.io.IOException e) { 3443 Slog.w(TAG, "Error reading subtypes: " + e); 3444 return; 3445 } catch (NumberFormatException e) { 3446 Slog.w(TAG, "Error reading subtypes: " + e); 3447 return; 3448 } finally { 3449 if (fis != null) { 3450 try { 3451 fis.close(); 3452 } catch (java.io.IOException e1) { 3453 Slog.w(TAG, "Failed to close."); 3454 } 3455 } 3456 } 3457 } 3458 } 3459 3460 // ---------------------------------------------------------------------- 3461 // Utilities for debug 3462 private static String getStackTrace() { 3463 final StringBuilder sb = new StringBuilder(); 3464 try { 3465 throw new RuntimeException(); 3466 } catch (RuntimeException e) { 3467 final StackTraceElement[] frames = e.getStackTrace(); 3468 // Start at 1 because the first frame is here and we don't care about it 3469 for (int j = 1; j < frames.length; ++j) { 3470 sb.append(frames[j].toString() + "\n"); 3471 } 3472 } 3473 return sb.toString(); 3474 } 3475 3476 @Override 3477 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 3478 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 3479 != PackageManager.PERMISSION_GRANTED) { 3480 3481 pw.println("Permission Denial: can't dump InputMethodManager from from pid=" 3482 + Binder.getCallingPid() 3483 + ", uid=" + Binder.getCallingUid()); 3484 return; 3485 } 3486 3487 IInputMethod method; 3488 ClientState client; 3489 3490 final Printer p = new PrintWriterPrinter(pw); 3491 3492 synchronized (mMethodMap) { 3493 p.println("Current Input Method Manager state:"); 3494 int N = mMethodList.size(); 3495 p.println(" Input Methods:"); 3496 for (int i=0; i<N; i++) { 3497 InputMethodInfo info = mMethodList.get(i); 3498 p.println(" InputMethod #" + i + ":"); 3499 info.dump(p, " "); 3500 } 3501 p.println(" Clients:"); 3502 for (ClientState ci : mClients.values()) { 3503 p.println(" Client " + ci + ":"); 3504 p.println(" client=" + ci.client); 3505 p.println(" inputContext=" + ci.inputContext); 3506 p.println(" sessionRequested=" + ci.sessionRequested); 3507 p.println(" curSession=" + ci.curSession); 3508 } 3509 p.println(" mCurMethodId=" + mCurMethodId); 3510 client = mCurClient; 3511 p.println(" mCurClient=" + client + " mCurSeq=" + mCurSeq); 3512 p.println(" mCurFocusedWindow=" + mCurFocusedWindow); 3513 p.println(" mCurId=" + mCurId + " mHaveConnect=" + mHaveConnection 3514 + " mBoundToMethod=" + mBoundToMethod); 3515 p.println(" mCurToken=" + mCurToken); 3516 p.println(" mCurIntent=" + mCurIntent); 3517 method = mCurMethod; 3518 p.println(" mCurMethod=" + mCurMethod); 3519 p.println(" mEnabledSession=" + mEnabledSession); 3520 p.println(" mShowRequested=" + mShowRequested 3521 + " mShowExplicitlyRequested=" + mShowExplicitlyRequested 3522 + " mShowForced=" + mShowForced 3523 + " mInputShown=" + mInputShown); 3524 p.println(" mSystemReady=" + mSystemReady + " mScreenOn=" + mScreenOn); 3525 } 3526 3527 p.println(" "); 3528 if (client != null) { 3529 pw.flush(); 3530 try { 3531 client.client.asBinder().dump(fd, args); 3532 } catch (RemoteException e) { 3533 p.println("Input method client dead: " + e); 3534 } 3535 } else { 3536 p.println("No input method client."); 3537 } 3538 3539 p.println(" "); 3540 if (method != null) { 3541 pw.flush(); 3542 try { 3543 method.asBinder().dump(fd, args); 3544 } catch (RemoteException e) { 3545 p.println("Input method service dead: " + e); 3546 } 3547 } else { 3548 p.println("No input method service."); 3549 } 3550 } 3551} 3552