InputMethodManagerService.java revision 665366a3055c7baa36242b8c92c5ff85b1c3394b
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.InputMethodSubtypeSwitchingController; 20import com.android.internal.inputmethod.InputMethodSubtypeSwitchingController.ImeSubtypeListItem; 21import com.android.internal.inputmethod.InputMethodUtils; 22import com.android.internal.inputmethod.InputMethodUtils.InputMethodSettings; 23import com.android.internal.os.HandlerCaller; 24import com.android.internal.os.SomeArgs; 25import com.android.internal.util.FastXmlSerializer; 26import com.android.internal.view.IInputContext; 27import com.android.internal.view.IInputMethod; 28import com.android.internal.view.IInputSessionCallback; 29import com.android.internal.view.IInputMethodClient; 30import com.android.internal.view.IInputMethodManager; 31import com.android.internal.view.IInputMethodSession; 32import com.android.internal.view.InputBindResult; 33import com.android.server.statusbar.StatusBarManagerService; 34import com.android.server.wm.WindowManagerService; 35 36import org.xmlpull.v1.XmlPullParser; 37import org.xmlpull.v1.XmlPullParserException; 38import org.xmlpull.v1.XmlSerializer; 39 40import android.app.ActivityManagerNative; 41import android.app.AppGlobals; 42import android.app.AlertDialog; 43import android.app.IUserSwitchObserver; 44import android.app.KeyguardManager; 45import android.app.Notification; 46import android.app.NotificationManager; 47import android.app.PendingIntent; 48import android.content.BroadcastReceiver; 49import android.content.ComponentName; 50import android.content.ContentResolver; 51import android.content.Context; 52import android.content.DialogInterface; 53import android.content.DialogInterface.OnCancelListener; 54import android.content.DialogInterface.OnClickListener; 55import android.content.Intent; 56import android.content.IntentFilter; 57import android.content.ServiceConnection; 58import android.content.pm.ApplicationInfo; 59import android.content.pm.IPackageManager; 60import android.content.pm.PackageManager; 61import android.content.pm.ResolveInfo; 62import android.content.pm.ServiceInfo; 63import android.content.pm.UserInfo; 64import android.content.res.Configuration; 65import android.content.res.Resources; 66import android.content.res.TypedArray; 67import android.database.ContentObserver; 68import android.inputmethodservice.InputMethodService; 69import android.os.Binder; 70import android.os.Environment; 71import android.os.Handler; 72import android.os.IBinder; 73import android.os.IInterface; 74import android.os.IRemoteCallback; 75import android.os.Message; 76import android.os.Process; 77import android.os.Parcel; 78import android.os.RemoteException; 79import android.os.ResultReceiver; 80import android.os.ServiceManager; 81import android.os.SystemClock; 82import android.os.UserHandle; 83import android.os.UserManager; 84import android.provider.Settings; 85import android.text.TextUtils; 86import android.text.style.SuggestionSpan; 87import android.util.AtomicFile; 88import android.util.EventLog; 89import android.util.LruCache; 90import android.util.Pair; 91import android.util.PrintWriterPrinter; 92import android.util.Printer; 93import android.util.Slog; 94import android.util.Xml; 95import android.view.ContextThemeWrapper; 96import android.view.IWindowManager; 97import android.view.InputChannel; 98import android.view.LayoutInflater; 99import android.view.View; 100import android.view.ViewGroup; 101import android.view.WindowManager; 102import android.view.inputmethod.EditorInfo; 103import android.view.inputmethod.InputBinding; 104import android.view.inputmethod.InputMethod; 105import android.view.inputmethod.InputMethodInfo; 106import android.view.inputmethod.InputMethodManager; 107import android.view.inputmethod.InputMethodSubtype; 108import android.widget.ArrayAdapter; 109import android.widget.CompoundButton; 110import android.widget.CompoundButton.OnCheckedChangeListener; 111import android.widget.RadioButton; 112import android.widget.Switch; 113import android.widget.TextView; 114 115import java.io.File; 116import java.io.FileDescriptor; 117import java.io.FileInputStream; 118import java.io.FileOutputStream; 119import java.io.IOException; 120import java.io.PrintWriter; 121import java.util.ArrayList; 122import java.util.Collections; 123import java.util.HashMap; 124import java.util.List; 125import java.util.Locale; 126 127/** 128 * This class provides a system service that manages input methods. 129 */ 130public class InputMethodManagerService extends IInputMethodManager.Stub 131 implements ServiceConnection, Handler.Callback { 132 static final boolean DEBUG = false; 133 static final String TAG = "InputMethodManagerService"; 134 135 static final int MSG_SHOW_IM_PICKER = 1; 136 static final int MSG_SHOW_IM_SUBTYPE_PICKER = 2; 137 static final int MSG_SHOW_IM_SUBTYPE_ENABLER = 3; 138 static final int MSG_SHOW_IM_CONFIG = 4; 139 140 static final int MSG_UNBIND_INPUT = 1000; 141 static final int MSG_BIND_INPUT = 1010; 142 static final int MSG_SHOW_SOFT_INPUT = 1020; 143 static final int MSG_HIDE_SOFT_INPUT = 1030; 144 static final int MSG_ATTACH_TOKEN = 1040; 145 static final int MSG_CREATE_SESSION = 1050; 146 147 static final int MSG_START_INPUT = 2000; 148 static final int MSG_RESTART_INPUT = 2010; 149 150 static final int MSG_UNBIND_METHOD = 3000; 151 static final int MSG_BIND_METHOD = 3010; 152 static final int MSG_SET_ACTIVE = 3020; 153 static final int MSG_SET_USER_ACTION_NOTIFICATION_SEQUENCE_NUMBER = 3040; 154 155 static final int MSG_HARD_KEYBOARD_SWITCH_CHANGED = 4000; 156 157 static final long TIME_TO_RECONNECT = 3 * 1000; 158 159 static final int SECURE_SUGGESTION_SPANS_MAX_SIZE = 20; 160 161 private static final int NOT_A_SUBTYPE_ID = InputMethodUtils.NOT_A_SUBTYPE_ID; 162 private static final String TAG_TRY_SUPPRESSING_IME_SWITCHER = "TrySuppressingImeSwitcher"; 163 164 165 final Context mContext; 166 final Resources mRes; 167 final Handler mHandler; 168 final InputMethodSettings mSettings; 169 final SettingsObserver mSettingsObserver; 170 final IWindowManager mIWindowManager; 171 final HandlerCaller mCaller; 172 final boolean mHasFeature; 173 private InputMethodFileManager mFileManager; 174 private final HardKeyboardListener mHardKeyboardListener; 175 private final WindowManagerService mWindowManagerService; 176 177 final InputBindResult mNoBinding = new InputBindResult(null, null, null, -1, -1); 178 179 // All known input methods. mMethodMap also serves as the global 180 // lock for this class. 181 final ArrayList<InputMethodInfo> mMethodList = new ArrayList<InputMethodInfo>(); 182 final HashMap<String, InputMethodInfo> mMethodMap = new HashMap<String, InputMethodInfo>(); 183 private final LruCache<SuggestionSpan, InputMethodInfo> mSecureSuggestionSpans = 184 new LruCache<SuggestionSpan, InputMethodInfo>(SECURE_SUGGESTION_SPANS_MAX_SIZE); 185 private final InputMethodSubtypeSwitchingController mSwitchingController; 186 187 // Used to bring IME service up to visible adjustment while it is being shown. 188 final ServiceConnection mVisibleConnection = new ServiceConnection() { 189 @Override public void onServiceConnected(ComponentName name, IBinder service) { 190 } 191 192 @Override public void onServiceDisconnected(ComponentName name) { 193 } 194 }; 195 boolean mVisibleBound = false; 196 197 // Ongoing notification 198 private NotificationManager mNotificationManager; 199 private KeyguardManager mKeyguardManager; 200 private StatusBarManagerService mStatusBar; 201 private Notification mImeSwitcherNotification; 202 private PendingIntent mImeSwitchPendingIntent; 203 private boolean mShowOngoingImeSwitcherForPhones; 204 private boolean mNotificationShown; 205 private final boolean mImeSelectedOnBoot; 206 207 static class SessionState { 208 final ClientState client; 209 final IInputMethod method; 210 211 IInputMethodSession session; 212 InputChannel channel; 213 214 @Override 215 public String toString() { 216 return "SessionState{uid " + client.uid + " pid " + client.pid 217 + " method " + Integer.toHexString( 218 System.identityHashCode(method)) 219 + " session " + Integer.toHexString( 220 System.identityHashCode(session)) 221 + " channel " + channel 222 + "}"; 223 } 224 225 SessionState(ClientState _client, IInputMethod _method, 226 IInputMethodSession _session, InputChannel _channel) { 227 client = _client; 228 method = _method; 229 session = _session; 230 channel = _channel; 231 } 232 } 233 234 static final class ClientState { 235 final IInputMethodClient client; 236 final IInputContext inputContext; 237 final int uid; 238 final int pid; 239 final InputBinding binding; 240 241 boolean sessionRequested; 242 SessionState curSession; 243 244 @Override 245 public String toString() { 246 return "ClientState{" + Integer.toHexString( 247 System.identityHashCode(this)) + " uid " + uid 248 + " pid " + pid + "}"; 249 } 250 251 ClientState(IInputMethodClient _client, IInputContext _inputContext, 252 int _uid, int _pid) { 253 client = _client; 254 inputContext = _inputContext; 255 uid = _uid; 256 pid = _pid; 257 binding = new InputBinding(null, inputContext.asBinder(), uid, pid); 258 } 259 } 260 261 final HashMap<IBinder, ClientState> mClients 262 = new HashMap<IBinder, ClientState>(); 263 264 /** 265 * Set once the system is ready to run third party code. 266 */ 267 boolean mSystemReady; 268 269 /** 270 * Id of the currently selected input method. 271 */ 272 String mCurMethodId; 273 274 /** 275 * The current binding sequence number, incremented every time there is 276 * a new bind performed. 277 */ 278 int mCurSeq; 279 280 /** 281 * The client that is currently bound to an input method. 282 */ 283 ClientState mCurClient; 284 285 /** 286 * The last window token that gained focus. 287 */ 288 IBinder mCurFocusedWindow; 289 290 /** 291 * The input context last provided by the current client. 292 */ 293 IInputContext mCurInputContext; 294 295 /** 296 * The attributes last provided by the current client. 297 */ 298 EditorInfo mCurAttribute; 299 300 /** 301 * The input method ID of the input method service that we are currently 302 * connected to or in the process of connecting to. 303 */ 304 String mCurId; 305 306 /** 307 * The current subtype of the current input method. 308 */ 309 private InputMethodSubtype mCurrentSubtype; 310 311 // This list contains the pairs of InputMethodInfo and InputMethodSubtype. 312 private final HashMap<InputMethodInfo, ArrayList<InputMethodSubtype>> 313 mShortcutInputMethodsAndSubtypes = 314 new HashMap<InputMethodInfo, ArrayList<InputMethodSubtype>>(); 315 316 // Was the keyguard locked when this client became current? 317 private boolean mCurClientInKeyguard; 318 319 /** 320 * Set to true if our ServiceConnection is currently actively bound to 321 * a service (whether or not we have gotten its IBinder back yet). 322 */ 323 boolean mHaveConnection; 324 325 /** 326 * Set if the client has asked for the input method to be shown. 327 */ 328 boolean mShowRequested; 329 330 /** 331 * Set if we were explicitly told to show the input method. 332 */ 333 boolean mShowExplicitlyRequested; 334 335 /** 336 * Set if we were forced to be shown. 337 */ 338 boolean mShowForced; 339 340 /** 341 * Set if we last told the input method to show itself. 342 */ 343 boolean mInputShown; 344 345 /** 346 * The Intent used to connect to the current input method. 347 */ 348 Intent mCurIntent; 349 350 /** 351 * The token we have made for the currently active input method, to 352 * identify it in the future. 353 */ 354 IBinder mCurToken; 355 356 /** 357 * If non-null, this is the input method service we are currently connected 358 * to. 359 */ 360 IInputMethod mCurMethod; 361 362 /** 363 * Time that we last initiated a bind to the input method, to determine 364 * if we should try to disconnect and reconnect to it. 365 */ 366 long mLastBindTime; 367 368 /** 369 * Have we called mCurMethod.bindInput()? 370 */ 371 boolean mBoundToMethod; 372 373 /** 374 * Currently enabled session. Only touched by service thread, not 375 * protected by a lock. 376 */ 377 SessionState mEnabledSession; 378 379 /** 380 * True if the screen is on. The value is true initially. 381 */ 382 boolean mScreenOn = true; 383 384 int mCurUserActionNotificationSequenceNumber = 0; 385 386 int mBackDisposition = InputMethodService.BACK_DISPOSITION_DEFAULT; 387 int mImeWindowVis; 388 389 private AlertDialog.Builder mDialogBuilder; 390 private AlertDialog mSwitchingDialog; 391 private View mSwitchingDialogTitleView; 392 private InputMethodInfo[] mIms; 393 private int[] mSubtypeIds; 394 private Locale mLastSystemLocale; 395 private final MyPackageMonitor mMyPackageMonitor = new MyPackageMonitor(); 396 private final IPackageManager mIPackageManager; 397 398 class SettingsObserver extends ContentObserver { 399 String mLastEnabled = ""; 400 401 SettingsObserver(Handler handler) { 402 super(handler); 403 ContentResolver resolver = mContext.getContentResolver(); 404 resolver.registerContentObserver(Settings.Secure.getUriFor( 405 Settings.Secure.DEFAULT_INPUT_METHOD), false, this); 406 resolver.registerContentObserver(Settings.Secure.getUriFor( 407 Settings.Secure.ENABLED_INPUT_METHODS), false, this); 408 resolver.registerContentObserver(Settings.Secure.getUriFor( 409 Settings.Secure.SELECTED_INPUT_METHOD_SUBTYPE), false, this); 410 } 411 412 @Override public void onChange(boolean selfChange) { 413 synchronized (mMethodMap) { 414 boolean enabledChanged = false; 415 String newEnabled = mSettings.getEnabledInputMethodsStr(); 416 if (!mLastEnabled.equals(newEnabled)) { 417 mLastEnabled = newEnabled; 418 enabledChanged = true; 419 } 420 updateFromSettingsLocked(enabledChanged); 421 } 422 } 423 } 424 425 class ImmsBroadcastReceiver extends android.content.BroadcastReceiver { 426 private void updateActive() { 427 // Inform the current client of the change in active status 428 if (mCurClient != null && mCurClient.client != null) { 429 executeOrSendMessage(mCurClient.client, mCaller.obtainMessageIO( 430 MSG_SET_ACTIVE, mScreenOn ? 1 : 0, mCurClient)); 431 } 432 } 433 434 @Override 435 public void onReceive(Context context, Intent intent) { 436 final String action = intent.getAction(); 437 if (Intent.ACTION_SCREEN_ON.equals(action)) { 438 mScreenOn = true; 439 refreshImeWindowVisibilityLocked(); 440 updateActive(); 441 return; 442 } else if (Intent.ACTION_SCREEN_OFF.equals(action)) { 443 mScreenOn = false; 444 setImeWindowVisibilityStatusHiddenLocked(); 445 updateActive(); 446 return; 447 } else if (Intent.ACTION_CLOSE_SYSTEM_DIALOGS.equals(action)) { 448 hideInputMethodMenu(); 449 // No need to updateActive 450 return; 451 } else if (Intent.ACTION_USER_ADDED.equals(action) 452 || Intent.ACTION_USER_REMOVED.equals(action)) { 453 updateCurrentProfileIds(); 454 return; 455 } else { 456 Slog.w(TAG, "Unexpected intent " + intent); 457 } 458 } 459 } 460 461 class MyPackageMonitor extends PackageMonitor { 462 private boolean isChangingPackagesOfCurrentUser() { 463 final int userId = getChangingUserId(); 464 final boolean retval = userId == mSettings.getCurrentUserId(); 465 if (DEBUG) { 466 if (!retval) { 467 Slog.d(TAG, "--- ignore this call back from a background user: " + userId); 468 } 469 } 470 return retval; 471 } 472 473 @Override 474 public boolean onHandleForceStop(Intent intent, String[] packages, int uid, boolean doit) { 475 if (!isChangingPackagesOfCurrentUser()) { 476 return false; 477 } 478 synchronized (mMethodMap) { 479 String curInputMethodId = mSettings.getSelectedInputMethod(); 480 final int N = mMethodList.size(); 481 if (curInputMethodId != null) { 482 for (int i=0; i<N; i++) { 483 InputMethodInfo imi = mMethodList.get(i); 484 if (imi.getId().equals(curInputMethodId)) { 485 for (String pkg : packages) { 486 if (imi.getPackageName().equals(pkg)) { 487 if (!doit) { 488 return true; 489 } 490 resetSelectedInputMethodAndSubtypeLocked(""); 491 chooseNewDefaultIMELocked(); 492 return true; 493 } 494 } 495 } 496 } 497 } 498 } 499 return false; 500 } 501 502 @Override 503 public void onSomePackagesChanged() { 504 if (!isChangingPackagesOfCurrentUser()) { 505 return; 506 } 507 synchronized (mMethodMap) { 508 InputMethodInfo curIm = null; 509 String curInputMethodId = mSettings.getSelectedInputMethod(); 510 final int N = mMethodList.size(); 511 if (curInputMethodId != null) { 512 for (int i=0; i<N; i++) { 513 InputMethodInfo imi = mMethodList.get(i); 514 final String imiId = imi.getId(); 515 if (imiId.equals(curInputMethodId)) { 516 curIm = imi; 517 } 518 519 int change = isPackageDisappearing(imi.getPackageName()); 520 if (isPackageModified(imi.getPackageName())) { 521 mFileManager.deleteAllInputMethodSubtypes(imiId); 522 } 523 if (change == PACKAGE_TEMPORARY_CHANGE 524 || change == PACKAGE_PERMANENT_CHANGE) { 525 Slog.i(TAG, "Input method uninstalled, disabling: " 526 + imi.getComponent()); 527 setInputMethodEnabledLocked(imi.getId(), false); 528 } 529 } 530 } 531 532 buildInputMethodListLocked( 533 mMethodList, mMethodMap, false /* resetDefaultEnabledIme */); 534 535 boolean changed = false; 536 537 if (curIm != null) { 538 int change = isPackageDisappearing(curIm.getPackageName()); 539 if (change == PACKAGE_TEMPORARY_CHANGE 540 || change == PACKAGE_PERMANENT_CHANGE) { 541 ServiceInfo si = null; 542 try { 543 si = mIPackageManager.getServiceInfo( 544 curIm.getComponent(), 0, mSettings.getCurrentUserId()); 545 } catch (RemoteException ex) { 546 } 547 if (si == null) { 548 // Uh oh, current input method is no longer around! 549 // Pick another one... 550 Slog.i(TAG, "Current input method removed: " + curInputMethodId); 551 setImeWindowVisibilityStatusHiddenLocked(); 552 if (!chooseNewDefaultIMELocked()) { 553 changed = true; 554 curIm = null; 555 Slog.i(TAG, "Unsetting current input method"); 556 resetSelectedInputMethodAndSubtypeLocked(""); 557 } 558 } 559 } 560 } 561 562 if (curIm == null) { 563 // We currently don't have a default input method... is 564 // one now available? 565 changed = chooseNewDefaultIMELocked(); 566 } 567 568 if (changed) { 569 updateFromSettingsLocked(false); 570 } 571 } 572 } 573 } 574 575 private static final class MethodCallback extends IInputSessionCallback.Stub { 576 private final InputMethodManagerService mParentIMMS; 577 private final IInputMethod mMethod; 578 private final InputChannel mChannel; 579 580 MethodCallback(InputMethodManagerService imms, IInputMethod method, 581 InputChannel channel) { 582 mParentIMMS = imms; 583 mMethod = method; 584 mChannel = channel; 585 } 586 587 @Override 588 public void sessionCreated(IInputMethodSession session) { 589 long ident = Binder.clearCallingIdentity(); 590 try { 591 mParentIMMS.onSessionCreated(mMethod, session, mChannel); 592 } finally { 593 Binder.restoreCallingIdentity(ident); 594 } 595 } 596 } 597 598 private class HardKeyboardListener 599 implements WindowManagerService.OnHardKeyboardStatusChangeListener { 600 @Override 601 public void onHardKeyboardStatusChange(boolean available, boolean enabled) { 602 mHandler.sendMessage(mHandler.obtainMessage( 603 MSG_HARD_KEYBOARD_SWITCH_CHANGED, available ? 1 : 0, enabled ? 1 : 0)); 604 } 605 606 public void handleHardKeyboardStatusChange(boolean available, 607 boolean showImeWithHardKeyboard) { 608 if (DEBUG) { 609 Slog.w(TAG, "HardKeyboardStatusChanged: available = " + available 610 + ", showImeWithHardKeyboard= " + showImeWithHardKeyboard); 611 } 612 synchronized(mMethodMap) { 613 if (mSwitchingDialog != null && mSwitchingDialogTitleView != null 614 && mSwitchingDialog.isShowing()) { 615 mSwitchingDialogTitleView.findViewById( 616 com.android.internal.R.id.hard_keyboard_section).setVisibility( 617 available ? View.VISIBLE : View.GONE); 618 } 619 } 620 } 621 } 622 623 public InputMethodManagerService(Context context, WindowManagerService windowManager) { 624 mIPackageManager = AppGlobals.getPackageManager(); 625 mContext = context; 626 mRes = context.getResources(); 627 mHandler = new Handler(this); 628 mIWindowManager = IWindowManager.Stub.asInterface( 629 ServiceManager.getService(Context.WINDOW_SERVICE)); 630 mCaller = new HandlerCaller(context, null, new HandlerCaller.Callback() { 631 @Override 632 public void executeMessage(Message msg) { 633 handleMessage(msg); 634 } 635 }, true /*asyncHandler*/); 636 mWindowManagerService = windowManager; 637 mHardKeyboardListener = new HardKeyboardListener(); 638 mHasFeature = context.getPackageManager().hasSystemFeature( 639 PackageManager.FEATURE_INPUT_METHODS); 640 641 mImeSwitcherNotification = new Notification(); 642 mImeSwitcherNotification.icon = com.android.internal.R.drawable.ic_notification_ime_default; 643 mImeSwitcherNotification.when = 0; 644 mImeSwitcherNotification.flags = Notification.FLAG_ONGOING_EVENT; 645 mImeSwitcherNotification.tickerText = null; 646 mImeSwitcherNotification.defaults = 0; // please be quiet 647 mImeSwitcherNotification.sound = null; 648 mImeSwitcherNotification.vibrate = null; 649 650 // Tag this notification specially so SystemUI knows it's important 651 mImeSwitcherNotification.extras.putBoolean(Notification.EXTRA_ALLOW_DURING_SETUP, true); 652 mImeSwitcherNotification.category = Notification.CATEGORY_SYSTEM; 653 654 Intent intent = new Intent(Settings.ACTION_SHOW_INPUT_METHOD_PICKER); 655 mImeSwitchPendingIntent = PendingIntent.getBroadcast(mContext, 0, intent, 0); 656 657 mShowOngoingImeSwitcherForPhones = false; 658 659 final IntentFilter broadcastFilter = new IntentFilter(); 660 broadcastFilter.addAction(Intent.ACTION_SCREEN_ON); 661 broadcastFilter.addAction(Intent.ACTION_SCREEN_OFF); 662 broadcastFilter.addAction(Intent.ACTION_CLOSE_SYSTEM_DIALOGS); 663 broadcastFilter.addAction(Intent.ACTION_USER_ADDED); 664 broadcastFilter.addAction(Intent.ACTION_USER_REMOVED); 665 mContext.registerReceiver(new ImmsBroadcastReceiver(), broadcastFilter); 666 667 mNotificationShown = false; 668 int userId = 0; 669 try { 670 ActivityManagerNative.getDefault().registerUserSwitchObserver( 671 new IUserSwitchObserver.Stub() { 672 @Override 673 public void onUserSwitching(int newUserId, IRemoteCallback reply) { 674 synchronized(mMethodMap) { 675 switchUserLocked(newUserId); 676 } 677 if (reply != null) { 678 try { 679 reply.sendResult(null); 680 } catch (RemoteException e) { 681 } 682 } 683 } 684 685 @Override 686 public void onUserSwitchComplete(int newUserId) throws RemoteException { 687 } 688 }); 689 userId = ActivityManagerNative.getDefault().getCurrentUser().id; 690 } catch (RemoteException e) { 691 Slog.w(TAG, "Couldn't get current user ID; guessing it's 0", e); 692 } 693 mMyPackageMonitor.register(mContext, null, UserHandle.ALL, true); 694 695 // mSettings should be created before buildInputMethodListLocked 696 mSettings = new InputMethodSettings( 697 mRes, context.getContentResolver(), mMethodMap, mMethodList, userId); 698 updateCurrentProfileIds(); 699 mFileManager = new InputMethodFileManager(mMethodMap, userId); 700 synchronized (mMethodMap) { 701 mSwitchingController = InputMethodSubtypeSwitchingController.createInstanceLocked( 702 mSettings, context); 703 } 704 705 // Just checking if defaultImiId is empty or not 706 final String defaultImiId = mSettings.getSelectedInputMethod(); 707 if (DEBUG) { 708 Slog.d(TAG, "Initial default ime = " + defaultImiId); 709 } 710 mImeSelectedOnBoot = !TextUtils.isEmpty(defaultImiId); 711 712 synchronized (mMethodMap) { 713 buildInputMethodListLocked(mMethodList, mMethodMap, 714 !mImeSelectedOnBoot /* resetDefaultEnabledIme */); 715 } 716 mSettings.enableAllIMEsIfThereIsNoEnabledIME(); 717 718 if (!mImeSelectedOnBoot) { 719 Slog.w(TAG, "No IME selected. Choose the most applicable IME."); 720 synchronized (mMethodMap) { 721 resetDefaultImeLocked(context); 722 } 723 } 724 725 mSettingsObserver = new SettingsObserver(mHandler); 726 synchronized (mMethodMap) { 727 updateFromSettingsLocked(true); 728 } 729 730 // IMMS wants to receive Intent.ACTION_LOCALE_CHANGED in order to update the current IME 731 // according to the new system locale. 732 final IntentFilter filter = new IntentFilter(); 733 filter.addAction(Intent.ACTION_LOCALE_CHANGED); 734 mContext.registerReceiver( 735 new BroadcastReceiver() { 736 @Override 737 public void onReceive(Context context, Intent intent) { 738 synchronized(mMethodMap) { 739 resetStateIfCurrentLocaleChangedLocked(); 740 } 741 } 742 }, filter); 743 } 744 745 private void resetDefaultImeLocked(Context context) { 746 // Do not reset the default (current) IME when it is a 3rd-party IME 747 if (mCurMethodId != null 748 && !InputMethodUtils.isSystemIme(mMethodMap.get(mCurMethodId))) { 749 return; 750 } 751 752 InputMethodInfo defIm = null; 753 for (InputMethodInfo imi : mMethodList) { 754 if (defIm == null) { 755 if (InputMethodUtils.isValidSystemDefaultIme( 756 mSystemReady, imi, context)) { 757 defIm = imi; 758 Slog.i(TAG, "Selected default: " + imi.getId()); 759 } 760 } 761 } 762 if (defIm == null && mMethodList.size() > 0) { 763 defIm = InputMethodUtils.getMostApplicableDefaultIME( 764 mSettings.getEnabledInputMethodListLocked()); 765 Slog.i(TAG, "No default found, using " + defIm.getId()); 766 } 767 if (defIm != null) { 768 setSelectedInputMethodAndSubtypeLocked(defIm, NOT_A_SUBTYPE_ID, false); 769 } 770 } 771 772 private void resetAllInternalStateLocked(final boolean updateOnlyWhenLocaleChanged, 773 final boolean resetDefaultEnabledIme) { 774 if (!mSystemReady) { 775 // not system ready 776 return; 777 } 778 final Locale newLocale = mRes.getConfiguration().locale; 779 if (!updateOnlyWhenLocaleChanged 780 || (newLocale != null && !newLocale.equals(mLastSystemLocale))) { 781 if (!updateOnlyWhenLocaleChanged) { 782 hideCurrentInputLocked(0, null); 783 mCurMethodId = null; 784 unbindCurrentMethodLocked(true, false); 785 } 786 if (DEBUG) { 787 Slog.i(TAG, "Locale has been changed to " + newLocale); 788 } 789 buildInputMethodListLocked(mMethodList, mMethodMap, resetDefaultEnabledIme); 790 if (!updateOnlyWhenLocaleChanged) { 791 final String selectedImiId = mSettings.getSelectedInputMethod(); 792 if (TextUtils.isEmpty(selectedImiId)) { 793 // This is the first time of the user switch and 794 // set the current ime to the proper one. 795 resetDefaultImeLocked(mContext); 796 } 797 } else { 798 // If the locale is changed, needs to reset the default ime 799 resetDefaultImeLocked(mContext); 800 } 801 updateFromSettingsLocked(true); 802 mLastSystemLocale = newLocale; 803 if (!updateOnlyWhenLocaleChanged) { 804 try { 805 startInputInnerLocked(); 806 } catch (RuntimeException e) { 807 Slog.w(TAG, "Unexpected exception", e); 808 } 809 } 810 } 811 } 812 813 private void resetStateIfCurrentLocaleChangedLocked() { 814 resetAllInternalStateLocked(true /* updateOnlyWhenLocaleChanged */, 815 true /* resetDefaultImeLocked */); 816 } 817 818 private void switchUserLocked(int newUserId) { 819 mSettings.setCurrentUserId(newUserId); 820 updateCurrentProfileIds(); 821 // InputMethodFileManager should be reset when the user is changed 822 mFileManager = new InputMethodFileManager(mMethodMap, newUserId); 823 final String defaultImiId = mSettings.getSelectedInputMethod(); 824 // For secondary users, the list of enabled IMEs may not have been updated since the 825 // callbacks to PackageMonitor are ignored for the secondary user. Here, defaultImiId may 826 // not be empty even if the IME has been uninstalled by the primary user. 827 // Even in such cases, IMMS works fine because it will find the most applicable 828 // IME for that user. 829 final boolean initialUserSwitch = TextUtils.isEmpty(defaultImiId); 830 if (DEBUG) { 831 Slog.d(TAG, "Switch user: " + newUserId + " current ime = " + defaultImiId); 832 } 833 resetAllInternalStateLocked(false /* updateOnlyWhenLocaleChanged */, 834 initialUserSwitch /* needsToResetDefaultIme */); 835 if (initialUserSwitch) { 836 InputMethodUtils.setNonSelectedSystemImesDisabledUntilUsed(mContext.getPackageManager(), 837 mSettings.getEnabledInputMethodListLocked()); 838 } 839 } 840 841 void updateCurrentProfileIds() { 842 List<UserInfo> profiles = 843 UserManager.get(mContext).getProfiles(mSettings.getCurrentUserId()); 844 int[] currentProfileIds = new int[profiles.size()]; // profiles will not be null 845 for (int i = 0; i < currentProfileIds.length; i++) { 846 currentProfileIds[i] = profiles.get(i).id; 847 } 848 mSettings.setCurrentProfileIds(currentProfileIds); 849 } 850 851 @Override 852 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 853 throws RemoteException { 854 try { 855 return super.onTransact(code, data, reply, flags); 856 } catch (RuntimeException e) { 857 // The input method manager only throws security exceptions, so let's 858 // log all others. 859 if (!(e instanceof SecurityException)) { 860 Slog.wtf(TAG, "Input Method Manager Crash", e); 861 } 862 throw e; 863 } 864 } 865 866 public void systemRunning(StatusBarManagerService statusBar) { 867 synchronized (mMethodMap) { 868 if (DEBUG) { 869 Slog.d(TAG, "--- systemReady"); 870 } 871 if (!mSystemReady) { 872 mSystemReady = true; 873 mKeyguardManager = 874 (KeyguardManager) mContext.getSystemService(Context.KEYGUARD_SERVICE); 875 mNotificationManager = (NotificationManager) 876 mContext.getSystemService(Context.NOTIFICATION_SERVICE); 877 mStatusBar = statusBar; 878 statusBar.setIconVisibility("ime", false); 879 updateImeWindowStatusLocked(); 880 mShowOngoingImeSwitcherForPhones = mRes.getBoolean( 881 com.android.internal.R.bool.show_ongoing_ime_switcher); 882 if (mShowOngoingImeSwitcherForPhones) { 883 mWindowManagerService.setOnHardKeyboardStatusChangeListener( 884 mHardKeyboardListener); 885 } 886 buildInputMethodListLocked(mMethodList, mMethodMap, 887 !mImeSelectedOnBoot /* resetDefaultEnabledIme */); 888 if (!mImeSelectedOnBoot) { 889 Slog.w(TAG, "Reset the default IME as \"Resource\" is ready here."); 890 resetStateIfCurrentLocaleChangedLocked(); 891 InputMethodUtils.setNonSelectedSystemImesDisabledUntilUsed( 892 mContext.getPackageManager(), 893 mSettings.getEnabledInputMethodListLocked()); 894 } 895 mLastSystemLocale = mRes.getConfiguration().locale; 896 try { 897 startInputInnerLocked(); 898 } catch (RuntimeException e) { 899 Slog.w(TAG, "Unexpected exception", e); 900 } 901 } 902 } 903 } 904 905 private void setImeWindowVisibilityStatusHiddenLocked() { 906 mImeWindowVis = 0; 907 updateImeWindowStatusLocked(); 908 } 909 910 private void refreshImeWindowVisibilityLocked() { 911 final Configuration conf = mRes.getConfiguration(); 912 final boolean haveHardKeyboard = conf.keyboard 913 != Configuration.KEYBOARD_NOKEYS; 914 final boolean hardKeyShown = haveHardKeyboard 915 && conf.hardKeyboardHidden 916 != Configuration.HARDKEYBOARDHIDDEN_YES; 917 918 final boolean isScreenLocked = isKeyguardLocked(); 919 final boolean inputActive = !isScreenLocked && (mInputShown || hardKeyShown); 920 // We assume the softkeyboard is shown when the input is active as long as the 921 // hard keyboard is not shown. 922 final boolean inputVisible = inputActive && !hardKeyShown; 923 mImeWindowVis = (inputActive ? InputMethodService.IME_ACTIVE : 0) 924 | (inputVisible ? InputMethodService.IME_VISIBLE : 0); 925 updateImeWindowStatusLocked(); 926 } 927 928 private void updateImeWindowStatusLocked() { 929 setImeWindowStatus(mCurToken, mImeWindowVis, mBackDisposition); 930 } 931 932 // --------------------------------------------------------------------------------------- 933 // Check whether or not this is a valid IPC. Assumes an IPC is valid when either 934 // 1) it comes from the system process 935 // 2) the calling process' user id is identical to the current user id IMMS thinks. 936 private boolean calledFromValidUser() { 937 final int uid = Binder.getCallingUid(); 938 final int userId = UserHandle.getUserId(uid); 939 if (DEBUG) { 940 Slog.d(TAG, "--- calledFromForegroundUserOrSystemProcess ? " 941 + "calling uid = " + uid + " system uid = " + Process.SYSTEM_UID 942 + " calling userId = " + userId + ", foreground user id = " 943 + mSettings.getCurrentUserId() + ", calling pid = " + Binder.getCallingPid() 944 + InputMethodUtils.getApiCallStack()); 945 } 946 if (uid == Process.SYSTEM_UID || mSettings.isCurrentProfile(userId)) { 947 return true; 948 } 949 950 // Caveat: A process which has INTERACT_ACROSS_USERS_FULL gets results for the 951 // foreground user, not for the user of that process. Accordingly InputMethodManagerService 952 // must not manage background users' states in any functions. 953 // Note that privacy-sensitive IPCs, such as setInputMethod, are still securely guarded 954 // by a token. 955 if (mContext.checkCallingOrSelfPermission( 956 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL) 957 == PackageManager.PERMISSION_GRANTED) { 958 if (DEBUG) { 959 Slog.d(TAG, "--- Access granted because the calling process has " 960 + "the INTERACT_ACROSS_USERS_FULL permission"); 961 } 962 return true; 963 } 964 Slog.w(TAG, "--- IPC called from background users. Ignore. \n" 965 + InputMethodUtils.getStackTrace()); 966 return false; 967 } 968 969 970 /** 971 * Returns true iff the caller is identified to be the current input method with the token. 972 * @param token The window token given to the input method when it was started. 973 * @return true if and only if non-null valid token is specified. 974 */ 975 private boolean calledWithValidToken(IBinder token) { 976 if (token == null || mCurToken != token) { 977 return false; 978 } 979 return true; 980 } 981 982 private boolean bindCurrentInputMethodService( 983 Intent service, ServiceConnection conn, int flags) { 984 if (service == null || conn == null) { 985 Slog.e(TAG, "--- bind failed: service = " + service + ", conn = " + conn); 986 return false; 987 } 988 return mContext.bindServiceAsUser(service, conn, flags, 989 new UserHandle(mSettings.getCurrentUserId())); 990 } 991 992 @Override 993 public List<InputMethodInfo> getInputMethodList() { 994 // TODO: Make this work even for non-current users? 995 if (!calledFromValidUser()) { 996 return Collections.emptyList(); 997 } 998 synchronized (mMethodMap) { 999 return new ArrayList<InputMethodInfo>(mMethodList); 1000 } 1001 } 1002 1003 @Override 1004 public List<InputMethodInfo> getEnabledInputMethodList() { 1005 // TODO: Make this work even for non-current users? 1006 if (!calledFromValidUser()) { 1007 return Collections.emptyList(); 1008 } 1009 synchronized (mMethodMap) { 1010 return mSettings.getEnabledInputMethodListLocked(); 1011 } 1012 } 1013 1014 /** 1015 * @param imiId if null, returns enabled subtypes for the current imi 1016 * @return enabled subtypes of the specified imi 1017 */ 1018 @Override 1019 public List<InputMethodSubtype> getEnabledInputMethodSubtypeList(String imiId, 1020 boolean allowsImplicitlySelectedSubtypes) { 1021 // TODO: Make this work even for non-current users? 1022 if (!calledFromValidUser()) { 1023 return Collections.<InputMethodSubtype>emptyList(); 1024 } 1025 synchronized (mMethodMap) { 1026 final InputMethodInfo imi; 1027 if (imiId == null && mCurMethodId != null) { 1028 imi = mMethodMap.get(mCurMethodId); 1029 } else { 1030 imi = mMethodMap.get(imiId); 1031 } 1032 if (imi == null) { 1033 return Collections.<InputMethodSubtype>emptyList(); 1034 } 1035 return mSettings.getEnabledInputMethodSubtypeListLocked( 1036 mContext, imi, allowsImplicitlySelectedSubtypes); 1037 } 1038 } 1039 1040 @Override 1041 public void addClient(IInputMethodClient client, 1042 IInputContext inputContext, int uid, int pid) { 1043 if (!calledFromValidUser()) { 1044 return; 1045 } 1046 synchronized (mMethodMap) { 1047 mClients.put(client.asBinder(), new ClientState(client, 1048 inputContext, uid, pid)); 1049 } 1050 } 1051 1052 @Override 1053 public void removeClient(IInputMethodClient client) { 1054 if (!calledFromValidUser()) { 1055 return; 1056 } 1057 synchronized (mMethodMap) { 1058 ClientState cs = mClients.remove(client.asBinder()); 1059 if (cs != null) { 1060 clearClientSessionLocked(cs); 1061 } 1062 } 1063 } 1064 1065 void executeOrSendMessage(IInterface target, Message msg) { 1066 if (target.asBinder() instanceof Binder) { 1067 mCaller.sendMessage(msg); 1068 } else { 1069 handleMessage(msg); 1070 msg.recycle(); 1071 } 1072 } 1073 1074 void unbindCurrentClientLocked() { 1075 if (mCurClient != null) { 1076 if (DEBUG) Slog.v(TAG, "unbindCurrentInputLocked: client = " 1077 + mCurClient.client.asBinder()); 1078 if (mBoundToMethod) { 1079 mBoundToMethod = false; 1080 if (mCurMethod != null) { 1081 executeOrSendMessage(mCurMethod, mCaller.obtainMessageO( 1082 MSG_UNBIND_INPUT, mCurMethod)); 1083 } 1084 } 1085 1086 executeOrSendMessage(mCurClient.client, mCaller.obtainMessageIO( 1087 MSG_SET_ACTIVE, 0, mCurClient)); 1088 executeOrSendMessage(mCurClient.client, mCaller.obtainMessageIO( 1089 MSG_UNBIND_METHOD, mCurSeq, mCurClient.client)); 1090 mCurClient.sessionRequested = false; 1091 mCurClient = null; 1092 1093 hideInputMethodMenuLocked(); 1094 } 1095 } 1096 1097 private int getImeShowFlags() { 1098 int flags = 0; 1099 if (mShowForced) { 1100 flags |= InputMethod.SHOW_FORCED 1101 | InputMethod.SHOW_EXPLICIT; 1102 } else if (mShowExplicitlyRequested) { 1103 flags |= InputMethod.SHOW_EXPLICIT; 1104 } 1105 return flags; 1106 } 1107 1108 private int getAppShowFlags() { 1109 int flags = 0; 1110 if (mShowForced) { 1111 flags |= InputMethodManager.SHOW_FORCED; 1112 } else if (!mShowExplicitlyRequested) { 1113 flags |= InputMethodManager.SHOW_IMPLICIT; 1114 } 1115 return flags; 1116 } 1117 1118 InputBindResult attachNewInputLocked(boolean initial) { 1119 if (!mBoundToMethod) { 1120 executeOrSendMessage(mCurMethod, mCaller.obtainMessageOO( 1121 MSG_BIND_INPUT, mCurMethod, mCurClient.binding)); 1122 mBoundToMethod = true; 1123 } 1124 final SessionState session = mCurClient.curSession; 1125 if (initial) { 1126 executeOrSendMessage(session.method, mCaller.obtainMessageOOO( 1127 MSG_START_INPUT, session, mCurInputContext, mCurAttribute)); 1128 } else { 1129 executeOrSendMessage(session.method, mCaller.obtainMessageOOO( 1130 MSG_RESTART_INPUT, session, mCurInputContext, mCurAttribute)); 1131 } 1132 if (mShowRequested) { 1133 if (DEBUG) Slog.v(TAG, "Attach new input asks to show input"); 1134 showCurrentInputLocked(getAppShowFlags(), null); 1135 } 1136 return new InputBindResult(session.session, 1137 (session.channel != null ? session.channel.dup() : null), 1138 mCurId, mCurSeq, mCurUserActionNotificationSequenceNumber); 1139 } 1140 1141 InputBindResult startInputLocked(IInputMethodClient client, 1142 IInputContext inputContext, EditorInfo attribute, int controlFlags) { 1143 // If no method is currently selected, do nothing. 1144 if (mCurMethodId == null) { 1145 return mNoBinding; 1146 } 1147 1148 ClientState cs = mClients.get(client.asBinder()); 1149 if (cs == null) { 1150 throw new IllegalArgumentException("unknown client " 1151 + client.asBinder()); 1152 } 1153 1154 try { 1155 if (!mIWindowManager.inputMethodClientHasFocus(cs.client)) { 1156 // Check with the window manager to make sure this client actually 1157 // has a window with focus. If not, reject. This is thread safe 1158 // because if the focus changes some time before or after, the 1159 // next client receiving focus that has any interest in input will 1160 // be calling through here after that change happens. 1161 Slog.w(TAG, "Starting input on non-focused client " + cs.client 1162 + " (uid=" + cs.uid + " pid=" + cs.pid + ")"); 1163 return null; 1164 } 1165 } catch (RemoteException e) { 1166 } 1167 1168 return startInputUncheckedLocked(cs, inputContext, attribute, controlFlags); 1169 } 1170 1171 InputBindResult startInputUncheckedLocked(ClientState cs, 1172 IInputContext inputContext, EditorInfo attribute, int controlFlags) { 1173 // If no method is currently selected, do nothing. 1174 if (mCurMethodId == null) { 1175 return mNoBinding; 1176 } 1177 1178 if (mCurClient != cs) { 1179 // Was the keyguard locked when switching over to the new client? 1180 mCurClientInKeyguard = isKeyguardLocked(); 1181 // If the client is changing, we need to switch over to the new 1182 // one. 1183 unbindCurrentClientLocked(); 1184 if (DEBUG) Slog.v(TAG, "switching to client: client = " 1185 + cs.client.asBinder() + " keyguard=" + mCurClientInKeyguard); 1186 1187 // If the screen is on, inform the new client it is active 1188 if (mScreenOn) { 1189 executeOrSendMessage(cs.client, mCaller.obtainMessageIO( 1190 MSG_SET_ACTIVE, mScreenOn ? 1 : 0, cs)); 1191 } 1192 } 1193 1194 // Bump up the sequence for this client and attach it. 1195 mCurSeq++; 1196 if (mCurSeq <= 0) mCurSeq = 1; 1197 mCurClient = cs; 1198 mCurInputContext = inputContext; 1199 mCurAttribute = attribute; 1200 1201 // Check if the input method is changing. 1202 if (mCurId != null && mCurId.equals(mCurMethodId)) { 1203 if (cs.curSession != null) { 1204 // Fast case: if we are already connected to the input method, 1205 // then just return it. 1206 return attachNewInputLocked( 1207 (controlFlags&InputMethodManager.CONTROL_START_INITIAL) != 0); 1208 } 1209 if (mHaveConnection) { 1210 if (mCurMethod != null) { 1211 // Return to client, and we will get back with it when 1212 // we have had a session made for it. 1213 requestClientSessionLocked(cs); 1214 return new InputBindResult(null, null, mCurId, mCurSeq, 1215 mCurUserActionNotificationSequenceNumber); 1216 } else if (SystemClock.uptimeMillis() 1217 < (mLastBindTime+TIME_TO_RECONNECT)) { 1218 // In this case we have connected to the service, but 1219 // don't yet have its interface. If it hasn't been too 1220 // long since we did the connection, we'll return to 1221 // the client and wait to get the service interface so 1222 // we can report back. If it has been too long, we want 1223 // to fall through so we can try a disconnect/reconnect 1224 // to see if we can get back in touch with the service. 1225 return new InputBindResult(null, null, mCurId, mCurSeq, 1226 mCurUserActionNotificationSequenceNumber); 1227 } else { 1228 EventLog.writeEvent(EventLogTags.IMF_FORCE_RECONNECT_IME, 1229 mCurMethodId, SystemClock.uptimeMillis()-mLastBindTime, 0); 1230 } 1231 } 1232 } 1233 1234 return startInputInnerLocked(); 1235 } 1236 1237 InputBindResult startInputInnerLocked() { 1238 if (mCurMethodId == null) { 1239 return mNoBinding; 1240 } 1241 1242 if (!mSystemReady) { 1243 // If the system is not yet ready, we shouldn't be running third 1244 // party code. 1245 return new InputBindResult(null, null, mCurMethodId, mCurSeq, 1246 mCurUserActionNotificationSequenceNumber); 1247 } 1248 1249 InputMethodInfo info = mMethodMap.get(mCurMethodId); 1250 if (info == null) { 1251 throw new IllegalArgumentException("Unknown id: " + mCurMethodId); 1252 } 1253 1254 unbindCurrentMethodLocked(false, true); 1255 1256 mCurIntent = new Intent(InputMethod.SERVICE_INTERFACE); 1257 mCurIntent.setComponent(info.getComponent()); 1258 mCurIntent.putExtra(Intent.EXTRA_CLIENT_LABEL, 1259 com.android.internal.R.string.input_method_binding_label); 1260 mCurIntent.putExtra(Intent.EXTRA_CLIENT_INTENT, PendingIntent.getActivity( 1261 mContext, 0, new Intent(Settings.ACTION_INPUT_METHOD_SETTINGS), 0)); 1262 if (bindCurrentInputMethodService(mCurIntent, this, Context.BIND_AUTO_CREATE 1263 | Context.BIND_NOT_VISIBLE | Context.BIND_NOT_FOREGROUND 1264 | Context.BIND_SHOWING_UI)) { 1265 mLastBindTime = SystemClock.uptimeMillis(); 1266 mHaveConnection = true; 1267 mCurId = info.getId(); 1268 mCurToken = new Binder(); 1269 try { 1270 if (true || DEBUG) Slog.v(TAG, "Adding window token: " + mCurToken); 1271 mIWindowManager.addWindowToken(mCurToken, 1272 WindowManager.LayoutParams.TYPE_INPUT_METHOD); 1273 } catch (RemoteException e) { 1274 } 1275 return new InputBindResult(null, null, mCurId, mCurSeq, 1276 mCurUserActionNotificationSequenceNumber); 1277 } else { 1278 mCurIntent = null; 1279 Slog.w(TAG, "Failure connecting to input method service: " 1280 + mCurIntent); 1281 } 1282 return null; 1283 } 1284 1285 @Override 1286 public InputBindResult startInput(IInputMethodClient client, 1287 IInputContext inputContext, EditorInfo attribute, int controlFlags) { 1288 if (!calledFromValidUser()) { 1289 return null; 1290 } 1291 synchronized (mMethodMap) { 1292 final long ident = Binder.clearCallingIdentity(); 1293 try { 1294 return startInputLocked(client, inputContext, attribute, controlFlags); 1295 } finally { 1296 Binder.restoreCallingIdentity(ident); 1297 } 1298 } 1299 } 1300 1301 @Override 1302 public void finishInput(IInputMethodClient client) { 1303 } 1304 1305 @Override 1306 public void onServiceConnected(ComponentName name, IBinder service) { 1307 synchronized (mMethodMap) { 1308 if (mCurIntent != null && name.equals(mCurIntent.getComponent())) { 1309 mCurMethod = IInputMethod.Stub.asInterface(service); 1310 if (mCurToken == null) { 1311 Slog.w(TAG, "Service connected without a token!"); 1312 unbindCurrentMethodLocked(false, false); 1313 return; 1314 } 1315 if (DEBUG) Slog.v(TAG, "Initiating attach with token: " + mCurToken); 1316 executeOrSendMessage(mCurMethod, mCaller.obtainMessageOO( 1317 MSG_ATTACH_TOKEN, mCurMethod, mCurToken)); 1318 if (mCurClient != null) { 1319 clearClientSessionLocked(mCurClient); 1320 requestClientSessionLocked(mCurClient); 1321 } 1322 } 1323 } 1324 } 1325 1326 void onSessionCreated(IInputMethod method, IInputMethodSession session, 1327 InputChannel channel) { 1328 synchronized (mMethodMap) { 1329 if (mCurMethod != null && method != null 1330 && mCurMethod.asBinder() == method.asBinder()) { 1331 if (mCurClient != null) { 1332 clearClientSessionLocked(mCurClient); 1333 mCurClient.curSession = new SessionState(mCurClient, 1334 method, session, channel); 1335 InputBindResult res = attachNewInputLocked(true); 1336 if (res.method != null) { 1337 executeOrSendMessage(mCurClient.client, mCaller.obtainMessageOO( 1338 MSG_BIND_METHOD, mCurClient.client, res)); 1339 } 1340 return; 1341 } 1342 } 1343 } 1344 1345 // Session abandoned. Close its associated input channel. 1346 channel.dispose(); 1347 } 1348 1349 void unbindCurrentMethodLocked(boolean reportToClient, boolean savePosition) { 1350 if (mVisibleBound) { 1351 mContext.unbindService(mVisibleConnection); 1352 mVisibleBound = false; 1353 } 1354 1355 if (mHaveConnection) { 1356 mContext.unbindService(this); 1357 mHaveConnection = false; 1358 } 1359 1360 if (mCurToken != null) { 1361 try { 1362 if (DEBUG) Slog.v(TAG, "Removing window token: " + mCurToken); 1363 if ((mImeWindowVis & InputMethodService.IME_ACTIVE) != 0 && savePosition) { 1364 // The current IME is shown. Hence an IME switch (transition) is happening. 1365 mWindowManagerService.saveLastInputMethodWindowForTransition(); 1366 } 1367 mIWindowManager.removeWindowToken(mCurToken); 1368 } catch (RemoteException e) { 1369 } 1370 mCurToken = null; 1371 } 1372 1373 mCurId = null; 1374 clearCurMethodLocked(); 1375 1376 if (reportToClient && mCurClient != null) { 1377 executeOrSendMessage(mCurClient.client, mCaller.obtainMessageIO( 1378 MSG_UNBIND_METHOD, mCurSeq, mCurClient.client)); 1379 } 1380 } 1381 1382 void requestClientSessionLocked(ClientState cs) { 1383 if (!cs.sessionRequested) { 1384 if (DEBUG) Slog.v(TAG, "Creating new session for client " + cs); 1385 InputChannel[] channels = InputChannel.openInputChannelPair(cs.toString()); 1386 cs.sessionRequested = true; 1387 executeOrSendMessage(mCurMethod, mCaller.obtainMessageOOO( 1388 MSG_CREATE_SESSION, mCurMethod, channels[1], 1389 new MethodCallback(this, mCurMethod, channels[0]))); 1390 } 1391 } 1392 1393 void clearClientSessionLocked(ClientState cs) { 1394 finishSessionLocked(cs.curSession); 1395 cs.curSession = null; 1396 cs.sessionRequested = false; 1397 } 1398 1399 private void finishSessionLocked(SessionState sessionState) { 1400 if (sessionState != null) { 1401 if (sessionState.session != null) { 1402 try { 1403 sessionState.session.finishSession(); 1404 } catch (RemoteException e) { 1405 Slog.w(TAG, "Session failed to close due to remote exception", e); 1406 setImeWindowVisibilityStatusHiddenLocked(); 1407 } 1408 sessionState.session = null; 1409 } 1410 if (sessionState.channel != null) { 1411 sessionState.channel.dispose(); 1412 sessionState.channel = null; 1413 } 1414 } 1415 } 1416 1417 void clearCurMethodLocked() { 1418 if (mCurMethod != null) { 1419 for (ClientState cs : mClients.values()) { 1420 clearClientSessionLocked(cs); 1421 } 1422 1423 finishSessionLocked(mEnabledSession); 1424 mEnabledSession = null; 1425 mCurMethod = null; 1426 } 1427 if (mStatusBar != null) { 1428 mStatusBar.setIconVisibility("ime", false); 1429 } 1430 } 1431 1432 @Override 1433 public void onServiceDisconnected(ComponentName name) { 1434 synchronized (mMethodMap) { 1435 if (DEBUG) Slog.v(TAG, "Service disconnected: " + name 1436 + " mCurIntent=" + mCurIntent); 1437 if (mCurMethod != null && mCurIntent != null 1438 && name.equals(mCurIntent.getComponent())) { 1439 clearCurMethodLocked(); 1440 // We consider this to be a new bind attempt, since the system 1441 // should now try to restart the service for us. 1442 mLastBindTime = SystemClock.uptimeMillis(); 1443 mShowRequested = mInputShown; 1444 mInputShown = false; 1445 if (mCurClient != null) { 1446 executeOrSendMessage(mCurClient.client, mCaller.obtainMessageIO( 1447 MSG_UNBIND_METHOD, mCurSeq, mCurClient.client)); 1448 } 1449 } 1450 } 1451 } 1452 1453 @Override 1454 public void updateStatusIcon(IBinder token, String packageName, int iconId) { 1455 long ident = Binder.clearCallingIdentity(); 1456 try { 1457 synchronized (mMethodMap) { 1458 if (!calledWithValidToken(token)) { 1459 final int uid = Binder.getCallingUid(); 1460 Slog.e(TAG, "Ignoring updateStatusIcon due to an invalid token. uid:" + uid 1461 + " token:" + token); 1462 return; 1463 } 1464 if (iconId == 0) { 1465 if (DEBUG) Slog.d(TAG, "hide the small icon for the input method"); 1466 if (mStatusBar != null) { 1467 mStatusBar.setIconVisibility("ime", false); 1468 } 1469 } else if (packageName != null) { 1470 if (DEBUG) Slog.d(TAG, "show a small icon for the input method"); 1471 CharSequence contentDescription = null; 1472 try { 1473 // Use PackageManager to load label 1474 final PackageManager packageManager = mContext.getPackageManager(); 1475 contentDescription = packageManager.getApplicationLabel( 1476 mIPackageManager.getApplicationInfo(packageName, 0, 1477 mSettings.getCurrentUserId())); 1478 } catch (RemoteException e) { 1479 /* ignore */ 1480 } 1481 if (mStatusBar != null) { 1482 mStatusBar.setIcon("ime", packageName, iconId, 0, 1483 contentDescription != null 1484 ? contentDescription.toString() : null); 1485 mStatusBar.setIconVisibility("ime", true); 1486 } 1487 } 1488 } 1489 } finally { 1490 Binder.restoreCallingIdentity(ident); 1491 } 1492 } 1493 1494 private boolean needsToShowImeSwitchOngoingNotification() { 1495 if (!mShowOngoingImeSwitcherForPhones) return false; 1496 if (mSwitchingDialog != null) return false; 1497 if (isScreenLocked()) return false; 1498 synchronized (mMethodMap) { 1499 List<InputMethodInfo> imis = mSettings.getEnabledInputMethodListLocked(); 1500 final int N = imis.size(); 1501 if (N > 2) return true; 1502 if (N < 1) return false; 1503 int nonAuxCount = 0; 1504 int auxCount = 0; 1505 InputMethodSubtype nonAuxSubtype = null; 1506 InputMethodSubtype auxSubtype = null; 1507 for(int i = 0; i < N; ++i) { 1508 final InputMethodInfo imi = imis.get(i); 1509 final List<InputMethodSubtype> subtypes = 1510 mSettings.getEnabledInputMethodSubtypeListLocked(mContext, imi, true); 1511 final int subtypeCount = subtypes.size(); 1512 if (subtypeCount == 0) { 1513 ++nonAuxCount; 1514 } else { 1515 for (int j = 0; j < subtypeCount; ++j) { 1516 final InputMethodSubtype subtype = subtypes.get(j); 1517 if (!subtype.isAuxiliary()) { 1518 ++nonAuxCount; 1519 nonAuxSubtype = subtype; 1520 } else { 1521 ++auxCount; 1522 auxSubtype = subtype; 1523 } 1524 } 1525 } 1526 } 1527 if (nonAuxCount > 1 || auxCount > 1) { 1528 return true; 1529 } else if (nonAuxCount == 1 && auxCount == 1) { 1530 if (nonAuxSubtype != null && auxSubtype != null 1531 && (nonAuxSubtype.getLocale().equals(auxSubtype.getLocale()) 1532 || auxSubtype.overridesImplicitlyEnabledSubtype() 1533 || nonAuxSubtype.overridesImplicitlyEnabledSubtype()) 1534 && nonAuxSubtype.containsExtraValueKey(TAG_TRY_SUPPRESSING_IME_SWITCHER)) { 1535 return false; 1536 } 1537 return true; 1538 } 1539 return false; 1540 } 1541 } 1542 1543 private boolean isKeyguardLocked() { 1544 return mKeyguardManager != null && mKeyguardManager.isKeyguardLocked(); 1545 } 1546 1547 // Caution! This method is called in this class. Handle multi-user carefully 1548 @SuppressWarnings("deprecation") 1549 @Override 1550 public void setImeWindowStatus(IBinder token, int vis, int backDisposition) { 1551 final long ident = Binder.clearCallingIdentity(); 1552 try { 1553 if (!calledWithValidToken(token)) { 1554 final int uid = Binder.getCallingUid(); 1555 Slog.e(TAG, "Ignoring setImeWindowStatus due to an invalid token. uid:" + uid 1556 + " token:" + token); 1557 return; 1558 } 1559 synchronized (mMethodMap) { 1560 // apply policy for binder calls 1561 if (vis != 0 && isKeyguardLocked() && !mCurClientInKeyguard) { 1562 vis = 0; 1563 } 1564 mImeWindowVis = vis; 1565 mBackDisposition = backDisposition; 1566 final boolean iconVisibility = ((vis & (InputMethodService.IME_ACTIVE)) != 0) 1567 && (mWindowManagerService.isHardKeyboardAvailable() 1568 || (vis & (InputMethodService.IME_VISIBLE)) != 0); 1569 final boolean needsToShowImeSwitcher = iconVisibility 1570 && needsToShowImeSwitchOngoingNotification(); 1571 if (mStatusBar != null) { 1572 mStatusBar.setImeWindowStatus(token, vis, backDisposition, 1573 needsToShowImeSwitcher); 1574 } 1575 final InputMethodInfo imi = mMethodMap.get(mCurMethodId); 1576 if (imi != null && needsToShowImeSwitcher) { 1577 // Used to load label 1578 final CharSequence title = mRes.getText( 1579 com.android.internal.R.string.select_input_method); 1580 final CharSequence summary = InputMethodUtils.getImeAndSubtypeDisplayName( 1581 mContext, imi, mCurrentSubtype); 1582 1583 mImeSwitcherNotification.setLatestEventInfo( 1584 mContext, title, summary, mImeSwitchPendingIntent); 1585 if ((mNotificationManager != null) 1586 && !mWindowManagerService.hasNavigationBar()) { 1587 if (DEBUG) { 1588 Slog.d(TAG, "--- show notification: label = " + summary); 1589 } 1590 mNotificationManager.notifyAsUser(null, 1591 com.android.internal.R.string.select_input_method, 1592 mImeSwitcherNotification, UserHandle.ALL); 1593 mNotificationShown = true; 1594 } 1595 } else { 1596 if (mNotificationShown && mNotificationManager != null) { 1597 if (DEBUG) { 1598 Slog.d(TAG, "--- hide notification"); 1599 } 1600 mNotificationManager.cancelAsUser(null, 1601 com.android.internal.R.string.select_input_method, UserHandle.ALL); 1602 mNotificationShown = false; 1603 } 1604 } 1605 } 1606 } finally { 1607 Binder.restoreCallingIdentity(ident); 1608 } 1609 } 1610 1611 @Override 1612 public void registerSuggestionSpansForNotification(SuggestionSpan[] spans) { 1613 if (!calledFromValidUser()) { 1614 return; 1615 } 1616 synchronized (mMethodMap) { 1617 final InputMethodInfo currentImi = mMethodMap.get(mCurMethodId); 1618 for (int i = 0; i < spans.length; ++i) { 1619 SuggestionSpan ss = spans[i]; 1620 if (!TextUtils.isEmpty(ss.getNotificationTargetClassName())) { 1621 mSecureSuggestionSpans.put(ss, currentImi); 1622 } 1623 } 1624 } 1625 } 1626 1627 @Override 1628 public boolean notifySuggestionPicked(SuggestionSpan span, String originalString, int index) { 1629 if (!calledFromValidUser()) { 1630 return false; 1631 } 1632 synchronized (mMethodMap) { 1633 final InputMethodInfo targetImi = mSecureSuggestionSpans.get(span); 1634 // TODO: Do not send the intent if the process of the targetImi is already dead. 1635 if (targetImi != null) { 1636 final String[] suggestions = span.getSuggestions(); 1637 if (index < 0 || index >= suggestions.length) return false; 1638 final String className = span.getNotificationTargetClassName(); 1639 final Intent intent = new Intent(); 1640 // Ensures that only a class in the original IME package will receive the 1641 // notification. 1642 intent.setClassName(targetImi.getPackageName(), className); 1643 intent.setAction(SuggestionSpan.ACTION_SUGGESTION_PICKED); 1644 intent.putExtra(SuggestionSpan.SUGGESTION_SPAN_PICKED_BEFORE, originalString); 1645 intent.putExtra(SuggestionSpan.SUGGESTION_SPAN_PICKED_AFTER, suggestions[index]); 1646 intent.putExtra(SuggestionSpan.SUGGESTION_SPAN_PICKED_HASHCODE, span.hashCode()); 1647 final long ident = Binder.clearCallingIdentity(); 1648 try { 1649 mContext.sendBroadcastAsUser(intent, UserHandle.CURRENT); 1650 } finally { 1651 Binder.restoreCallingIdentity(ident); 1652 } 1653 return true; 1654 } 1655 } 1656 return false; 1657 } 1658 1659 void updateFromSettingsLocked(boolean enabledMayChange) { 1660 if (enabledMayChange) { 1661 List<InputMethodInfo> enabled = mSettings.getEnabledInputMethodListLocked(); 1662 for (int i=0; i<enabled.size(); i++) { 1663 // We allow the user to select "disabled until used" apps, so if they 1664 // are enabling one of those here we now need to make it enabled. 1665 InputMethodInfo imm = enabled.get(i); 1666 try { 1667 ApplicationInfo ai = mIPackageManager.getApplicationInfo(imm.getPackageName(), 1668 PackageManager.GET_DISABLED_UNTIL_USED_COMPONENTS, 1669 mSettings.getCurrentUserId()); 1670 if (ai != null && ai.enabledSetting 1671 == PackageManager.COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED) { 1672 if (DEBUG) { 1673 Slog.d(TAG, "Update state(" + imm.getId() 1674 + "): DISABLED_UNTIL_USED -> DEFAULT"); 1675 } 1676 mIPackageManager.setApplicationEnabledSetting(imm.getPackageName(), 1677 PackageManager.COMPONENT_ENABLED_STATE_DEFAULT, 1678 PackageManager.DONT_KILL_APP, mSettings.getCurrentUserId(), 1679 mContext.getBasePackageName()); 1680 } 1681 } catch (RemoteException e) { 1682 } 1683 } 1684 } 1685 // We are assuming that whoever is changing DEFAULT_INPUT_METHOD and 1686 // ENABLED_INPUT_METHODS is taking care of keeping them correctly in 1687 // sync, so we will never have a DEFAULT_INPUT_METHOD that is not 1688 // enabled. 1689 String id = mSettings.getSelectedInputMethod(); 1690 // There is no input method selected, try to choose new applicable input method. 1691 if (TextUtils.isEmpty(id) && chooseNewDefaultIMELocked()) { 1692 id = mSettings.getSelectedInputMethod(); 1693 } 1694 if (!TextUtils.isEmpty(id)) { 1695 try { 1696 setInputMethodLocked(id, mSettings.getSelectedInputMethodSubtypeId(id)); 1697 } catch (IllegalArgumentException e) { 1698 Slog.w(TAG, "Unknown input method from prefs: " + id, e); 1699 mCurMethodId = null; 1700 unbindCurrentMethodLocked(true, false); 1701 } 1702 mShortcutInputMethodsAndSubtypes.clear(); 1703 } else { 1704 // There is no longer an input method set, so stop any current one. 1705 mCurMethodId = null; 1706 unbindCurrentMethodLocked(true, false); 1707 } 1708 // Here is not the perfect place to reset the switching controller. Ideally 1709 // mSwitchingController and mSettings should be able to share the same state. 1710 // TODO: Make sure that mSwitchingController and mSettings are sharing the 1711 // the same enabled IMEs list. 1712 mSwitchingController.resetCircularListLocked(mContext); 1713 } 1714 1715 /* package */ void setInputMethodLocked(String id, int subtypeId) { 1716 InputMethodInfo info = mMethodMap.get(id); 1717 if (info == null) { 1718 throw new IllegalArgumentException("Unknown id: " + id); 1719 } 1720 1721 // See if we need to notify a subtype change within the same IME. 1722 if (id.equals(mCurMethodId)) { 1723 final int subtypeCount = info.getSubtypeCount(); 1724 if (subtypeCount <= 0) { 1725 return; 1726 } 1727 final InputMethodSubtype oldSubtype = mCurrentSubtype; 1728 final InputMethodSubtype newSubtype; 1729 if (subtypeId >= 0 && subtypeId < subtypeCount) { 1730 newSubtype = info.getSubtypeAt(subtypeId); 1731 } else { 1732 // If subtype is null, try to find the most applicable one from 1733 // getCurrentInputMethodSubtype. 1734 newSubtype = getCurrentInputMethodSubtypeLocked(); 1735 } 1736 if (newSubtype == null || oldSubtype == null) { 1737 Slog.w(TAG, "Illegal subtype state: old subtype = " + oldSubtype 1738 + ", new subtype = " + newSubtype); 1739 return; 1740 } 1741 if (newSubtype != oldSubtype) { 1742 setSelectedInputMethodAndSubtypeLocked(info, subtypeId, true); 1743 if (mCurMethod != null) { 1744 try { 1745 refreshImeWindowVisibilityLocked(); 1746 mCurMethod.changeInputMethodSubtype(newSubtype); 1747 } catch (RemoteException e) { 1748 Slog.w(TAG, "Failed to call changeInputMethodSubtype"); 1749 } 1750 } 1751 } 1752 return; 1753 } 1754 1755 // Changing to a different IME. 1756 final long ident = Binder.clearCallingIdentity(); 1757 try { 1758 // Set a subtype to this input method. 1759 // subtypeId the name of a subtype which will be set. 1760 setSelectedInputMethodAndSubtypeLocked(info, subtypeId, false); 1761 // mCurMethodId should be updated after setSelectedInputMethodAndSubtypeLocked() 1762 // because mCurMethodId is stored as a history in 1763 // setSelectedInputMethodAndSubtypeLocked(). 1764 mCurMethodId = id; 1765 1766 if (ActivityManagerNative.isSystemReady()) { 1767 Intent intent = new Intent(Intent.ACTION_INPUT_METHOD_CHANGED); 1768 intent.addFlags(Intent.FLAG_RECEIVER_REPLACE_PENDING); 1769 intent.putExtra("input_method_id", id); 1770 mContext.sendBroadcastAsUser(intent, UserHandle.CURRENT); 1771 } 1772 unbindCurrentClientLocked(); 1773 } finally { 1774 Binder.restoreCallingIdentity(ident); 1775 } 1776 } 1777 1778 @Override 1779 public boolean showSoftInput(IInputMethodClient client, int flags, 1780 ResultReceiver resultReceiver) { 1781 if (!calledFromValidUser()) { 1782 return false; 1783 } 1784 int uid = Binder.getCallingUid(); 1785 long ident = Binder.clearCallingIdentity(); 1786 try { 1787 synchronized (mMethodMap) { 1788 if (mCurClient == null || client == null 1789 || mCurClient.client.asBinder() != client.asBinder()) { 1790 try { 1791 // We need to check if this is the current client with 1792 // focus in the window manager, to allow this call to 1793 // be made before input is started in it. 1794 if (!mIWindowManager.inputMethodClientHasFocus(client)) { 1795 Slog.w(TAG, "Ignoring showSoftInput of uid " + uid + ": " + client); 1796 return false; 1797 } 1798 } catch (RemoteException e) { 1799 return false; 1800 } 1801 } 1802 1803 if (DEBUG) Slog.v(TAG, "Client requesting input be shown"); 1804 return showCurrentInputLocked(flags, resultReceiver); 1805 } 1806 } finally { 1807 Binder.restoreCallingIdentity(ident); 1808 } 1809 } 1810 1811 boolean showCurrentInputLocked(int flags, ResultReceiver resultReceiver) { 1812 mShowRequested = true; 1813 if ((flags&InputMethodManager.SHOW_IMPLICIT) == 0) { 1814 mShowExplicitlyRequested = true; 1815 } 1816 if ((flags&InputMethodManager.SHOW_FORCED) != 0) { 1817 mShowExplicitlyRequested = true; 1818 mShowForced = true; 1819 } 1820 1821 if (!mSystemReady) { 1822 return false; 1823 } 1824 1825 boolean res = false; 1826 if (mCurMethod != null) { 1827 if (DEBUG) Slog.d(TAG, "showCurrentInputLocked: mCurToken=" + mCurToken); 1828 executeOrSendMessage(mCurMethod, mCaller.obtainMessageIOO( 1829 MSG_SHOW_SOFT_INPUT, getImeShowFlags(), mCurMethod, 1830 resultReceiver)); 1831 mInputShown = true; 1832 if (mHaveConnection && !mVisibleBound) { 1833 bindCurrentInputMethodService( 1834 mCurIntent, mVisibleConnection, Context.BIND_AUTO_CREATE 1835 | Context.BIND_TREAT_LIKE_ACTIVITY); 1836 mVisibleBound = true; 1837 } 1838 res = true; 1839 } else if (mHaveConnection && SystemClock.uptimeMillis() 1840 >= (mLastBindTime+TIME_TO_RECONNECT)) { 1841 // The client has asked to have the input method shown, but 1842 // we have been sitting here too long with a connection to the 1843 // service and no interface received, so let's disconnect/connect 1844 // to try to prod things along. 1845 EventLog.writeEvent(EventLogTags.IMF_FORCE_RECONNECT_IME, mCurMethodId, 1846 SystemClock.uptimeMillis()-mLastBindTime,1); 1847 Slog.w(TAG, "Force disconnect/connect to the IME in showCurrentInputLocked()"); 1848 mContext.unbindService(this); 1849 bindCurrentInputMethodService(mCurIntent, this, Context.BIND_AUTO_CREATE 1850 | Context.BIND_NOT_VISIBLE); 1851 } else { 1852 if (DEBUG) { 1853 Slog.d(TAG, "Can't show input: connection = " + mHaveConnection + ", time = " 1854 + ((mLastBindTime+TIME_TO_RECONNECT) - SystemClock.uptimeMillis())); 1855 } 1856 } 1857 1858 return res; 1859 } 1860 1861 @Override 1862 public boolean hideSoftInput(IInputMethodClient client, int flags, 1863 ResultReceiver resultReceiver) { 1864 if (!calledFromValidUser()) { 1865 return false; 1866 } 1867 int uid = Binder.getCallingUid(); 1868 long ident = Binder.clearCallingIdentity(); 1869 try { 1870 synchronized (mMethodMap) { 1871 if (mCurClient == null || client == null 1872 || mCurClient.client.asBinder() != client.asBinder()) { 1873 try { 1874 // We need to check if this is the current client with 1875 // focus in the window manager, to allow this call to 1876 // be made before input is started in it. 1877 if (!mIWindowManager.inputMethodClientHasFocus(client)) { 1878 if (DEBUG) Slog.w(TAG, "Ignoring hideSoftInput of uid " 1879 + uid + ": " + client); 1880 setImeWindowVisibilityStatusHiddenLocked(); 1881 return false; 1882 } 1883 } catch (RemoteException e) { 1884 setImeWindowVisibilityStatusHiddenLocked(); 1885 return false; 1886 } 1887 } 1888 1889 if (DEBUG) Slog.v(TAG, "Client requesting input be hidden"); 1890 return hideCurrentInputLocked(flags, resultReceiver); 1891 } 1892 } finally { 1893 Binder.restoreCallingIdentity(ident); 1894 } 1895 } 1896 1897 boolean hideCurrentInputLocked(int flags, ResultReceiver resultReceiver) { 1898 if ((flags&InputMethodManager.HIDE_IMPLICIT_ONLY) != 0 1899 && (mShowExplicitlyRequested || mShowForced)) { 1900 if (DEBUG) Slog.v(TAG, "Not hiding: explicit show not cancelled by non-explicit hide"); 1901 return false; 1902 } 1903 if (mShowForced && (flags&InputMethodManager.HIDE_NOT_ALWAYS) != 0) { 1904 if (DEBUG) Slog.v(TAG, "Not hiding: forced show not cancelled by not-always hide"); 1905 return false; 1906 } 1907 boolean res; 1908 if (mInputShown && mCurMethod != null) { 1909 executeOrSendMessage(mCurMethod, mCaller.obtainMessageOO( 1910 MSG_HIDE_SOFT_INPUT, mCurMethod, resultReceiver)); 1911 res = true; 1912 } else { 1913 res = false; 1914 } 1915 if (mHaveConnection && mVisibleBound) { 1916 mContext.unbindService(mVisibleConnection); 1917 mVisibleBound = false; 1918 } 1919 mInputShown = false; 1920 mShowRequested = false; 1921 mShowExplicitlyRequested = false; 1922 mShowForced = false; 1923 return res; 1924 } 1925 1926 @Override 1927 public InputBindResult windowGainedFocus(IInputMethodClient client, IBinder windowToken, 1928 int controlFlags, int softInputMode, int windowFlags, 1929 EditorInfo attribute, IInputContext inputContext) { 1930 // Needs to check the validity before clearing calling identity 1931 final boolean calledFromValidUser = calledFromValidUser(); 1932 1933 InputBindResult res = null; 1934 long ident = Binder.clearCallingIdentity(); 1935 try { 1936 synchronized (mMethodMap) { 1937 if (DEBUG) Slog.v(TAG, "windowGainedFocus: " + client.asBinder() 1938 + " controlFlags=#" + Integer.toHexString(controlFlags) 1939 + " softInputMode=#" + Integer.toHexString(softInputMode) 1940 + " windowFlags=#" + Integer.toHexString(windowFlags)); 1941 1942 ClientState cs = mClients.get(client.asBinder()); 1943 if (cs == null) { 1944 throw new IllegalArgumentException("unknown client " 1945 + client.asBinder()); 1946 } 1947 1948 try { 1949 if (!mIWindowManager.inputMethodClientHasFocus(cs.client)) { 1950 // Check with the window manager to make sure this client actually 1951 // has a window with focus. If not, reject. This is thread safe 1952 // because if the focus changes some time before or after, the 1953 // next client receiving focus that has any interest in input will 1954 // be calling through here after that change happens. 1955 Slog.w(TAG, "Focus gain on non-focused client " + cs.client 1956 + " (uid=" + cs.uid + " pid=" + cs.pid + ")"); 1957 return null; 1958 } 1959 } catch (RemoteException e) { 1960 } 1961 1962 if (!calledFromValidUser) { 1963 Slog.w(TAG, "A background user is requesting window. Hiding IME."); 1964 Slog.w(TAG, "If you want to interect with IME, you need " 1965 + "android.permission.INTERACT_ACROSS_USERS_FULL"); 1966 hideCurrentInputLocked(0, null); 1967 return null; 1968 } 1969 1970 if (mCurFocusedWindow == windowToken) { 1971 Slog.w(TAG, "Window already focused, ignoring focus gain of: " + client 1972 + " attribute=" + attribute + ", token = " + windowToken); 1973 if (attribute != null) { 1974 return startInputUncheckedLocked(cs, inputContext, attribute, 1975 controlFlags); 1976 } 1977 return null; 1978 } 1979 mCurFocusedWindow = windowToken; 1980 1981 // Should we auto-show the IME even if the caller has not 1982 // specified what should be done with it? 1983 // We only do this automatically if the window can resize 1984 // to accommodate the IME (so what the user sees will give 1985 // them good context without input information being obscured 1986 // by the IME) or if running on a large screen where there 1987 // is more room for the target window + IME. 1988 final boolean doAutoShow = 1989 (softInputMode & WindowManager.LayoutParams.SOFT_INPUT_MASK_ADJUST) 1990 == WindowManager.LayoutParams.SOFT_INPUT_ADJUST_RESIZE 1991 || mRes.getConfiguration().isLayoutSizeAtLeast( 1992 Configuration.SCREENLAYOUT_SIZE_LARGE); 1993 final boolean isTextEditor = 1994 (controlFlags&InputMethodManager.CONTROL_WINDOW_IS_TEXT_EDITOR) != 0; 1995 1996 // We want to start input before showing the IME, but after closing 1997 // it. We want to do this after closing it to help the IME disappear 1998 // more quickly (not get stuck behind it initializing itself for the 1999 // new focused input, even if its window wants to hide the IME). 2000 boolean didStart = false; 2001 2002 switch (softInputMode&WindowManager.LayoutParams.SOFT_INPUT_MASK_STATE) { 2003 case WindowManager.LayoutParams.SOFT_INPUT_STATE_UNSPECIFIED: 2004 if (!isTextEditor || !doAutoShow) { 2005 if (WindowManager.LayoutParams.mayUseInputMethod(windowFlags)) { 2006 // There is no focus view, and this window will 2007 // be behind any soft input window, so hide the 2008 // soft input window if it is shown. 2009 if (DEBUG) Slog.v(TAG, "Unspecified window will hide input"); 2010 hideCurrentInputLocked(InputMethodManager.HIDE_NOT_ALWAYS, null); 2011 } 2012 } else if (isTextEditor && doAutoShow && (softInputMode & 2013 WindowManager.LayoutParams.SOFT_INPUT_IS_FORWARD_NAVIGATION) != 0) { 2014 // There is a focus view, and we are navigating forward 2015 // into the window, so show the input window for the user. 2016 // We only do this automatically if the window can resize 2017 // to accommodate the IME (so what the user sees will give 2018 // them good context without input information being obscured 2019 // by the IME) or if running on a large screen where there 2020 // is more room for the target window + IME. 2021 if (DEBUG) Slog.v(TAG, "Unspecified window will show input"); 2022 if (attribute != null) { 2023 res = startInputUncheckedLocked(cs, inputContext, attribute, 2024 controlFlags); 2025 didStart = true; 2026 } 2027 showCurrentInputLocked(InputMethodManager.SHOW_IMPLICIT, null); 2028 } 2029 break; 2030 case WindowManager.LayoutParams.SOFT_INPUT_STATE_UNCHANGED: 2031 // Do nothing. 2032 break; 2033 case WindowManager.LayoutParams.SOFT_INPUT_STATE_HIDDEN: 2034 if ((softInputMode & 2035 WindowManager.LayoutParams.SOFT_INPUT_IS_FORWARD_NAVIGATION) != 0) { 2036 if (DEBUG) Slog.v(TAG, "Window asks to hide input going forward"); 2037 hideCurrentInputLocked(0, null); 2038 } 2039 break; 2040 case WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_HIDDEN: 2041 if (DEBUG) Slog.v(TAG, "Window asks to hide input"); 2042 hideCurrentInputLocked(0, null); 2043 break; 2044 case WindowManager.LayoutParams.SOFT_INPUT_STATE_VISIBLE: 2045 if ((softInputMode & 2046 WindowManager.LayoutParams.SOFT_INPUT_IS_FORWARD_NAVIGATION) != 0) { 2047 if (DEBUG) Slog.v(TAG, "Window asks to show input going forward"); 2048 if (attribute != null) { 2049 res = startInputUncheckedLocked(cs, inputContext, attribute, 2050 controlFlags); 2051 didStart = true; 2052 } 2053 showCurrentInputLocked(InputMethodManager.SHOW_IMPLICIT, null); 2054 } 2055 break; 2056 case WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_VISIBLE: 2057 if (DEBUG) Slog.v(TAG, "Window asks to always show input"); 2058 if (attribute != null) { 2059 res = startInputUncheckedLocked(cs, inputContext, attribute, 2060 controlFlags); 2061 didStart = true; 2062 } 2063 showCurrentInputLocked(InputMethodManager.SHOW_IMPLICIT, null); 2064 break; 2065 } 2066 2067 if (!didStart && attribute != null) { 2068 res = startInputUncheckedLocked(cs, inputContext, attribute, 2069 controlFlags); 2070 } 2071 } 2072 } finally { 2073 Binder.restoreCallingIdentity(ident); 2074 } 2075 2076 return res; 2077 } 2078 2079 @Override 2080 public void showInputMethodPickerFromClient(IInputMethodClient client) { 2081 if (!calledFromValidUser()) { 2082 return; 2083 } 2084 synchronized (mMethodMap) { 2085 if (mCurClient == null || client == null 2086 || mCurClient.client.asBinder() != client.asBinder()) { 2087 Slog.w(TAG, "Ignoring showInputMethodPickerFromClient of uid " 2088 + Binder.getCallingUid() + ": " + client); 2089 } 2090 2091 // Always call subtype picker, because subtype picker is a superset of input method 2092 // picker. 2093 mHandler.sendEmptyMessage(MSG_SHOW_IM_SUBTYPE_PICKER); 2094 } 2095 } 2096 2097 @Override 2098 public void setInputMethod(IBinder token, String id) { 2099 if (!calledFromValidUser()) { 2100 return; 2101 } 2102 setInputMethodWithSubtypeId(token, id, NOT_A_SUBTYPE_ID); 2103 } 2104 2105 @Override 2106 public void setInputMethodAndSubtype(IBinder token, String id, InputMethodSubtype subtype) { 2107 if (!calledFromValidUser()) { 2108 return; 2109 } 2110 synchronized (mMethodMap) { 2111 if (subtype != null) { 2112 setInputMethodWithSubtypeIdLocked(token, id, 2113 InputMethodUtils.getSubtypeIdFromHashCode(mMethodMap.get(id), 2114 subtype.hashCode())); 2115 } else { 2116 setInputMethod(token, id); 2117 } 2118 } 2119 } 2120 2121 @Override 2122 public void showInputMethodAndSubtypeEnablerFromClient( 2123 IInputMethodClient client, String inputMethodId) { 2124 if (!calledFromValidUser()) { 2125 return; 2126 } 2127 synchronized (mMethodMap) { 2128 if (mCurClient == null || client == null 2129 || mCurClient.client.asBinder() != client.asBinder()) { 2130 Slog.w(TAG, "Ignoring showInputMethodAndSubtypeEnablerFromClient of: " + client); 2131 } 2132 executeOrSendMessage(mCurMethod, mCaller.obtainMessageO( 2133 MSG_SHOW_IM_SUBTYPE_ENABLER, inputMethodId)); 2134 } 2135 } 2136 2137 @Override 2138 public boolean switchToLastInputMethod(IBinder token) { 2139 if (!calledFromValidUser()) { 2140 return false; 2141 } 2142 synchronized (mMethodMap) { 2143 final Pair<String, String> lastIme = mSettings.getLastInputMethodAndSubtypeLocked(); 2144 final InputMethodInfo lastImi; 2145 if (lastIme != null) { 2146 lastImi = mMethodMap.get(lastIme.first); 2147 } else { 2148 lastImi = null; 2149 } 2150 String targetLastImiId = null; 2151 int subtypeId = NOT_A_SUBTYPE_ID; 2152 if (lastIme != null && lastImi != null) { 2153 final boolean imiIdIsSame = lastImi.getId().equals(mCurMethodId); 2154 final int lastSubtypeHash = Integer.valueOf(lastIme.second); 2155 final int currentSubtypeHash = mCurrentSubtype == null ? NOT_A_SUBTYPE_ID 2156 : mCurrentSubtype.hashCode(); 2157 // If the last IME is the same as the current IME and the last subtype is not 2158 // defined, there is no need to switch to the last IME. 2159 if (!imiIdIsSame || lastSubtypeHash != currentSubtypeHash) { 2160 targetLastImiId = lastIme.first; 2161 subtypeId = InputMethodUtils.getSubtypeIdFromHashCode(lastImi, lastSubtypeHash); 2162 } 2163 } 2164 2165 if (TextUtils.isEmpty(targetLastImiId) 2166 && !InputMethodUtils.canAddToLastInputMethod(mCurrentSubtype)) { 2167 // This is a safety net. If the currentSubtype can't be added to the history 2168 // and the framework couldn't find the last ime, we will make the last ime be 2169 // the most applicable enabled keyboard subtype of the system imes. 2170 final List<InputMethodInfo> enabled = mSettings.getEnabledInputMethodListLocked(); 2171 if (enabled != null) { 2172 final int N = enabled.size(); 2173 final String locale = mCurrentSubtype == null 2174 ? mRes.getConfiguration().locale.toString() 2175 : mCurrentSubtype.getLocale(); 2176 for (int i = 0; i < N; ++i) { 2177 final InputMethodInfo imi = enabled.get(i); 2178 if (imi.getSubtypeCount() > 0 && InputMethodUtils.isSystemIme(imi)) { 2179 InputMethodSubtype keyboardSubtype = 2180 InputMethodUtils.findLastResortApplicableSubtypeLocked(mRes, 2181 InputMethodUtils.getSubtypes(imi), 2182 InputMethodUtils.SUBTYPE_MODE_KEYBOARD, locale, true); 2183 if (keyboardSubtype != null) { 2184 targetLastImiId = imi.getId(); 2185 subtypeId = InputMethodUtils.getSubtypeIdFromHashCode( 2186 imi, keyboardSubtype.hashCode()); 2187 if(keyboardSubtype.getLocale().equals(locale)) { 2188 break; 2189 } 2190 } 2191 } 2192 } 2193 } 2194 } 2195 2196 if (!TextUtils.isEmpty(targetLastImiId)) { 2197 if (DEBUG) { 2198 Slog.d(TAG, "Switch to: " + lastImi.getId() + ", " + lastIme.second 2199 + ", from: " + mCurMethodId + ", " + subtypeId); 2200 } 2201 setInputMethodWithSubtypeIdLocked(token, targetLastImiId, subtypeId); 2202 return true; 2203 } else { 2204 return false; 2205 } 2206 } 2207 } 2208 2209 @Override 2210 public boolean switchToNextInputMethod(IBinder token, boolean onlyCurrentIme) { 2211 if (!calledFromValidUser()) { 2212 return false; 2213 } 2214 synchronized (mMethodMap) { 2215 if (!calledWithValidToken(token)) { 2216 final int uid = Binder.getCallingUid(); 2217 Slog.e(TAG, "Ignoring switchToNextInputMethod due to an invalid token. uid:" + uid 2218 + " token:" + token); 2219 return false; 2220 } 2221 final ImeSubtypeListItem nextSubtype = mSwitchingController.getNextInputMethodLocked( 2222 onlyCurrentIme, mMethodMap.get(mCurMethodId), mCurrentSubtype); 2223 if (nextSubtype == null) { 2224 return false; 2225 } 2226 setInputMethodWithSubtypeIdLocked(token, nextSubtype.mImi.getId(), 2227 nextSubtype.mSubtypeId); 2228 return true; 2229 } 2230 } 2231 2232 @Override 2233 public boolean shouldOfferSwitchingToNextInputMethod(IBinder token) { 2234 if (!calledFromValidUser()) { 2235 return false; 2236 } 2237 synchronized (mMethodMap) { 2238 if (!calledWithValidToken(token)) { 2239 final int uid = Binder.getCallingUid(); 2240 Slog.e(TAG, "Ignoring shouldOfferSwitchingToNextInputMethod due to an invalid " 2241 + "token. uid:" + uid + " token:" + token); 2242 return false; 2243 } 2244 final ImeSubtypeListItem nextSubtype = mSwitchingController.getNextInputMethodLocked( 2245 false /* onlyCurrentIme */, mMethodMap.get(mCurMethodId), mCurrentSubtype); 2246 if (nextSubtype == null) { 2247 return false; 2248 } 2249 return true; 2250 } 2251 } 2252 2253 @Override 2254 public InputMethodSubtype getLastInputMethodSubtype() { 2255 if (!calledFromValidUser()) { 2256 return null; 2257 } 2258 synchronized (mMethodMap) { 2259 final Pair<String, String> lastIme = mSettings.getLastInputMethodAndSubtypeLocked(); 2260 // TODO: Handle the case of the last IME with no subtypes 2261 if (lastIme == null || TextUtils.isEmpty(lastIme.first) 2262 || TextUtils.isEmpty(lastIme.second)) return null; 2263 final InputMethodInfo lastImi = mMethodMap.get(lastIme.first); 2264 if (lastImi == null) return null; 2265 try { 2266 final int lastSubtypeHash = Integer.valueOf(lastIme.second); 2267 final int lastSubtypeId = 2268 InputMethodUtils.getSubtypeIdFromHashCode(lastImi, lastSubtypeHash); 2269 if (lastSubtypeId < 0 || lastSubtypeId >= lastImi.getSubtypeCount()) { 2270 return null; 2271 } 2272 return lastImi.getSubtypeAt(lastSubtypeId); 2273 } catch (NumberFormatException e) { 2274 return null; 2275 } 2276 } 2277 } 2278 2279 @Override 2280 public void setAdditionalInputMethodSubtypes(String imiId, InputMethodSubtype[] subtypes) { 2281 if (!calledFromValidUser()) { 2282 return; 2283 } 2284 // By this IPC call, only a process which shares the same uid with the IME can add 2285 // additional input method subtypes to the IME. 2286 if (TextUtils.isEmpty(imiId) || subtypes == null || subtypes.length == 0) return; 2287 synchronized (mMethodMap) { 2288 final InputMethodInfo imi = mMethodMap.get(imiId); 2289 if (imi == null) return; 2290 final String[] packageInfos; 2291 try { 2292 packageInfos = mIPackageManager.getPackagesForUid(Binder.getCallingUid()); 2293 } catch (RemoteException e) { 2294 Slog.e(TAG, "Failed to get package infos"); 2295 return; 2296 } 2297 if (packageInfos != null) { 2298 final int packageNum = packageInfos.length; 2299 for (int i = 0; i < packageNum; ++i) { 2300 if (packageInfos[i].equals(imi.getPackageName())) { 2301 mFileManager.addInputMethodSubtypes(imi, subtypes); 2302 final long ident = Binder.clearCallingIdentity(); 2303 try { 2304 buildInputMethodListLocked(mMethodList, mMethodMap, 2305 false /* resetDefaultEnabledIme */); 2306 } finally { 2307 Binder.restoreCallingIdentity(ident); 2308 } 2309 return; 2310 } 2311 } 2312 } 2313 } 2314 return; 2315 } 2316 2317 @Override 2318 public int getInputMethodWindowVisibleHeight() { 2319 return mWindowManagerService.getInputMethodWindowVisibleHeight(); 2320 } 2321 2322 @Override 2323 public void notifyUserAction(int sequenceNumber) { 2324 if (DEBUG) { 2325 Slog.d(TAG, "Got the notification of a user action. sequenceNumber:" + sequenceNumber); 2326 } 2327 synchronized (mMethodMap) { 2328 if (mCurUserActionNotificationSequenceNumber != sequenceNumber) { 2329 if (DEBUG) { 2330 Slog.d(TAG, "Ignoring the user action notification due to the sequence number " 2331 + "mismatch. expected:" + mCurUserActionNotificationSequenceNumber 2332 + " actual: " + sequenceNumber); 2333 } 2334 return; 2335 } 2336 final InputMethodInfo imi = mMethodMap.get(mCurMethodId); 2337 if (imi != null) { 2338 mSwitchingController.onUserActionLocked(imi, mCurrentSubtype); 2339 } 2340 } 2341 } 2342 2343 private void setInputMethodWithSubtypeId(IBinder token, String id, int subtypeId) { 2344 synchronized (mMethodMap) { 2345 setInputMethodWithSubtypeIdLocked(token, id, subtypeId); 2346 } 2347 } 2348 2349 private void setInputMethodWithSubtypeIdLocked(IBinder token, String id, int subtypeId) { 2350 if (token == null) { 2351 if (mContext.checkCallingOrSelfPermission( 2352 android.Manifest.permission.WRITE_SECURE_SETTINGS) 2353 != PackageManager.PERMISSION_GRANTED) { 2354 throw new SecurityException( 2355 "Using null token requires permission " 2356 + android.Manifest.permission.WRITE_SECURE_SETTINGS); 2357 } 2358 } else if (mCurToken != token) { 2359 Slog.w(TAG, "Ignoring setInputMethod of uid " + Binder.getCallingUid() 2360 + " token: " + token); 2361 return; 2362 } 2363 2364 final long ident = Binder.clearCallingIdentity(); 2365 try { 2366 setInputMethodLocked(id, subtypeId); 2367 } finally { 2368 Binder.restoreCallingIdentity(ident); 2369 } 2370 } 2371 2372 @Override 2373 public void hideMySoftInput(IBinder token, int flags) { 2374 if (!calledFromValidUser()) { 2375 return; 2376 } 2377 synchronized (mMethodMap) { 2378 if (!calledWithValidToken(token)) { 2379 final int uid = Binder.getCallingUid(); 2380 Slog.e(TAG, "Ignoring hideInputMethod due to an invalid token. uid:" 2381 + uid + " token:" + token); 2382 return; 2383 } 2384 long ident = Binder.clearCallingIdentity(); 2385 try { 2386 hideCurrentInputLocked(flags, null); 2387 } finally { 2388 Binder.restoreCallingIdentity(ident); 2389 } 2390 } 2391 } 2392 2393 @Override 2394 public void showMySoftInput(IBinder token, int flags) { 2395 if (!calledFromValidUser()) { 2396 return; 2397 } 2398 synchronized (mMethodMap) { 2399 if (!calledWithValidToken(token)) { 2400 final int uid = Binder.getCallingUid(); 2401 Slog.e(TAG, "Ignoring showMySoftInput due to an invalid token. uid:" 2402 + uid + " token:" + token); 2403 return; 2404 } 2405 long ident = Binder.clearCallingIdentity(); 2406 try { 2407 showCurrentInputLocked(flags, null); 2408 } finally { 2409 Binder.restoreCallingIdentity(ident); 2410 } 2411 } 2412 } 2413 2414 void setEnabledSessionInMainThread(SessionState session) { 2415 if (mEnabledSession != session) { 2416 if (mEnabledSession != null && mEnabledSession.session != null) { 2417 try { 2418 if (DEBUG) Slog.v(TAG, "Disabling: " + mEnabledSession); 2419 mEnabledSession.method.setSessionEnabled(mEnabledSession.session, false); 2420 } catch (RemoteException e) { 2421 } 2422 } 2423 mEnabledSession = session; 2424 if (mEnabledSession != null && mEnabledSession.session != null) { 2425 try { 2426 if (DEBUG) Slog.v(TAG, "Enabling: " + mEnabledSession); 2427 mEnabledSession.method.setSessionEnabled(mEnabledSession.session, true); 2428 } catch (RemoteException e) { 2429 } 2430 } 2431 } 2432 } 2433 2434 @Override 2435 public boolean handleMessage(Message msg) { 2436 SomeArgs args; 2437 switch (msg.what) { 2438 case MSG_SHOW_IM_PICKER: 2439 showInputMethodMenu(); 2440 return true; 2441 2442 case MSG_SHOW_IM_SUBTYPE_PICKER: 2443 showInputMethodSubtypeMenu(); 2444 return true; 2445 2446 case MSG_SHOW_IM_SUBTYPE_ENABLER: 2447 args = (SomeArgs)msg.obj; 2448 showInputMethodAndSubtypeEnabler((String)args.arg1); 2449 args.recycle(); 2450 return true; 2451 2452 case MSG_SHOW_IM_CONFIG: 2453 showConfigureInputMethods(); 2454 return true; 2455 2456 // --------------------------------------------------------- 2457 2458 case MSG_UNBIND_INPUT: 2459 try { 2460 ((IInputMethod)msg.obj).unbindInput(); 2461 } catch (RemoteException e) { 2462 // There is nothing interesting about the method dying. 2463 } 2464 return true; 2465 case MSG_BIND_INPUT: 2466 args = (SomeArgs)msg.obj; 2467 try { 2468 ((IInputMethod)args.arg1).bindInput((InputBinding)args.arg2); 2469 } catch (RemoteException e) { 2470 } 2471 args.recycle(); 2472 return true; 2473 case MSG_SHOW_SOFT_INPUT: 2474 args = (SomeArgs)msg.obj; 2475 try { 2476 if (DEBUG) Slog.v(TAG, "Calling " + args.arg1 + ".showSoftInput(" 2477 + msg.arg1 + ", " + args.arg2 + ")"); 2478 ((IInputMethod)args.arg1).showSoftInput(msg.arg1, (ResultReceiver)args.arg2); 2479 } catch (RemoteException e) { 2480 } 2481 args.recycle(); 2482 return true; 2483 case MSG_HIDE_SOFT_INPUT: 2484 args = (SomeArgs)msg.obj; 2485 try { 2486 if (DEBUG) Slog.v(TAG, "Calling " + args.arg1 + ".hideSoftInput(0, " 2487 + args.arg2 + ")"); 2488 ((IInputMethod)args.arg1).hideSoftInput(0, (ResultReceiver)args.arg2); 2489 } catch (RemoteException e) { 2490 } 2491 args.recycle(); 2492 return true; 2493 case MSG_ATTACH_TOKEN: 2494 args = (SomeArgs)msg.obj; 2495 try { 2496 if (DEBUG) Slog.v(TAG, "Sending attach of token: " + args.arg2); 2497 ((IInputMethod)args.arg1).attachToken((IBinder)args.arg2); 2498 } catch (RemoteException e) { 2499 } 2500 args.recycle(); 2501 return true; 2502 case MSG_CREATE_SESSION: { 2503 args = (SomeArgs)msg.obj; 2504 IInputMethod method = (IInputMethod)args.arg1; 2505 InputChannel channel = (InputChannel)args.arg2; 2506 try { 2507 method.createSession(channel, (IInputSessionCallback)args.arg3); 2508 } catch (RemoteException e) { 2509 } finally { 2510 // Dispose the channel if the input method is not local to this process 2511 // because the remote proxy will get its own copy when unparceled. 2512 if (channel != null && Binder.isProxy(method)) { 2513 channel.dispose(); 2514 } 2515 } 2516 args.recycle(); 2517 return true; 2518 } 2519 // --------------------------------------------------------- 2520 2521 case MSG_START_INPUT: 2522 args = (SomeArgs)msg.obj; 2523 try { 2524 SessionState session = (SessionState)args.arg1; 2525 setEnabledSessionInMainThread(session); 2526 session.method.startInput((IInputContext)args.arg2, 2527 (EditorInfo)args.arg3); 2528 } catch (RemoteException e) { 2529 } 2530 args.recycle(); 2531 return true; 2532 case MSG_RESTART_INPUT: 2533 args = (SomeArgs)msg.obj; 2534 try { 2535 SessionState session = (SessionState)args.arg1; 2536 setEnabledSessionInMainThread(session); 2537 session.method.restartInput((IInputContext)args.arg2, 2538 (EditorInfo)args.arg3); 2539 } catch (RemoteException e) { 2540 } 2541 args.recycle(); 2542 return true; 2543 2544 // --------------------------------------------------------- 2545 2546 case MSG_UNBIND_METHOD: 2547 try { 2548 ((IInputMethodClient)msg.obj).onUnbindMethod(msg.arg1); 2549 } catch (RemoteException e) { 2550 // There is nothing interesting about the last client dying. 2551 } 2552 return true; 2553 case MSG_BIND_METHOD: { 2554 args = (SomeArgs)msg.obj; 2555 IInputMethodClient client = (IInputMethodClient)args.arg1; 2556 InputBindResult res = (InputBindResult)args.arg2; 2557 try { 2558 client.onBindMethod(res); 2559 } catch (RemoteException e) { 2560 Slog.w(TAG, "Client died receiving input method " + args.arg2); 2561 } finally { 2562 // Dispose the channel if the input method is not local to this process 2563 // because the remote proxy will get its own copy when unparceled. 2564 if (res.channel != null && Binder.isProxy(client)) { 2565 res.channel.dispose(); 2566 } 2567 } 2568 args.recycle(); 2569 return true; 2570 } 2571 case MSG_SET_ACTIVE: 2572 try { 2573 ((ClientState)msg.obj).client.setActive(msg.arg1 != 0); 2574 } catch (RemoteException e) { 2575 Slog.w(TAG, "Got RemoteException sending setActive(false) notification to pid " 2576 + ((ClientState)msg.obj).pid + " uid " 2577 + ((ClientState)msg.obj).uid); 2578 } 2579 return true; 2580 case MSG_SET_USER_ACTION_NOTIFICATION_SEQUENCE_NUMBER: { 2581 final int sequenceNumber = msg.arg1; 2582 final IInputMethodClient client = (IInputMethodClient)msg.obj; 2583 try { 2584 client.setUserActionNotificationSequenceNumber(sequenceNumber); 2585 } catch (RemoteException e) { 2586 Slog.w(TAG, "Got RemoteException sending " 2587 + "setUserActionNotificationSequenceNumber(" 2588 + sequenceNumber + ") notification to pid " 2589 + ((ClientState)msg.obj).pid + " uid " 2590 + ((ClientState)msg.obj).uid); 2591 } 2592 return true; 2593 } 2594 2595 // -------------------------------------------------------------- 2596 case MSG_HARD_KEYBOARD_SWITCH_CHANGED: 2597 mHardKeyboardListener.handleHardKeyboardStatusChange( 2598 msg.arg1 == 1, msg.arg2 == 1); 2599 return true; 2600 } 2601 return false; 2602 } 2603 2604 private boolean chooseNewDefaultIMELocked() { 2605 final InputMethodInfo imi = InputMethodUtils.getMostApplicableDefaultIME( 2606 mSettings.getEnabledInputMethodListLocked()); 2607 if (imi != null) { 2608 if (DEBUG) { 2609 Slog.d(TAG, "New default IME was selected: " + imi.getId()); 2610 } 2611 resetSelectedInputMethodAndSubtypeLocked(imi.getId()); 2612 return true; 2613 } 2614 2615 return false; 2616 } 2617 2618 void buildInputMethodListLocked(ArrayList<InputMethodInfo> list, 2619 HashMap<String, InputMethodInfo> map, boolean resetDefaultEnabledIme) { 2620 if (DEBUG) { 2621 Slog.d(TAG, "--- re-buildInputMethodList reset = " + resetDefaultEnabledIme 2622 + " \n ------ \n" + InputMethodUtils.getStackTrace()); 2623 } 2624 list.clear(); 2625 map.clear(); 2626 2627 // Use for queryIntentServicesAsUser 2628 final PackageManager pm = mContext.getPackageManager(); 2629 String disabledSysImes = mSettings.getDisabledSystemInputMethods(); 2630 if (disabledSysImes == null) disabledSysImes = ""; 2631 2632 final List<ResolveInfo> services = pm.queryIntentServicesAsUser( 2633 new Intent(InputMethod.SERVICE_INTERFACE), 2634 PackageManager.GET_META_DATA | PackageManager.GET_DISABLED_UNTIL_USED_COMPONENTS, 2635 mSettings.getCurrentUserId()); 2636 2637 final HashMap<String, List<InputMethodSubtype>> additionalSubtypes = 2638 mFileManager.getAllAdditionalInputMethodSubtypes(); 2639 for (int i = 0; i < services.size(); ++i) { 2640 ResolveInfo ri = services.get(i); 2641 ServiceInfo si = ri.serviceInfo; 2642 ComponentName compName = new ComponentName(si.packageName, si.name); 2643 if (!android.Manifest.permission.BIND_INPUT_METHOD.equals( 2644 si.permission)) { 2645 Slog.w(TAG, "Skipping input method " + compName 2646 + ": it does not require the permission " 2647 + android.Manifest.permission.BIND_INPUT_METHOD); 2648 continue; 2649 } 2650 2651 if (DEBUG) Slog.d(TAG, "Checking " + compName); 2652 2653 try { 2654 InputMethodInfo p = new InputMethodInfo(mContext, ri, additionalSubtypes); 2655 list.add(p); 2656 final String id = p.getId(); 2657 map.put(id, p); 2658 2659 if (DEBUG) { 2660 Slog.d(TAG, "Found an input method " + p); 2661 } 2662 2663 } catch (XmlPullParserException e) { 2664 Slog.w(TAG, "Unable to load input method " + compName, e); 2665 } catch (IOException e) { 2666 Slog.w(TAG, "Unable to load input method " + compName, e); 2667 } 2668 } 2669 2670 if (resetDefaultEnabledIme) { 2671 final ArrayList<InputMethodInfo> defaultEnabledIme = 2672 InputMethodUtils.getDefaultEnabledImes(mContext, mSystemReady, list); 2673 for (int i = 0; i < defaultEnabledIme.size(); ++i) { 2674 final InputMethodInfo imi = defaultEnabledIme.get(i); 2675 if (DEBUG) { 2676 Slog.d(TAG, "--- enable ime = " + imi); 2677 } 2678 setInputMethodEnabledLocked(imi.getId(), true); 2679 } 2680 } 2681 2682 final String defaultImiId = mSettings.getSelectedInputMethod(); 2683 if (!TextUtils.isEmpty(defaultImiId)) { 2684 if (!map.containsKey(defaultImiId)) { 2685 Slog.w(TAG, "Default IME is uninstalled. Choose new default IME."); 2686 if (chooseNewDefaultIMELocked()) { 2687 updateFromSettingsLocked(true); 2688 } 2689 } else { 2690 // Double check that the default IME is certainly enabled. 2691 setInputMethodEnabledLocked(defaultImiId, true); 2692 } 2693 } 2694 // Here is not the perfect place to reset the switching controller. Ideally 2695 // mSwitchingController and mSettings should be able to share the same state. 2696 // TODO: Make sure that mSwitchingController and mSettings are sharing the 2697 // the same enabled IMEs list. 2698 mSwitchingController.resetCircularListLocked(mContext); 2699 } 2700 2701 // ---------------------------------------------------------------------- 2702 2703 private void showInputMethodMenu() { 2704 showInputMethodMenuInternal(false); 2705 } 2706 2707 private void showInputMethodSubtypeMenu() { 2708 showInputMethodMenuInternal(true); 2709 } 2710 2711 private void showInputMethodAndSubtypeEnabler(String inputMethodId) { 2712 Intent intent = new Intent(Settings.ACTION_INPUT_METHOD_SUBTYPE_SETTINGS); 2713 intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK 2714 | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED 2715 | Intent.FLAG_ACTIVITY_CLEAR_TOP); 2716 if (!TextUtils.isEmpty(inputMethodId)) { 2717 intent.putExtra(Settings.EXTRA_INPUT_METHOD_ID, inputMethodId); 2718 } 2719 mContext.startActivityAsUser(intent, null, UserHandle.CURRENT); 2720 } 2721 2722 private void showConfigureInputMethods() { 2723 Intent intent = new Intent(Settings.ACTION_INPUT_METHOD_SETTINGS); 2724 intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK 2725 | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED 2726 | Intent.FLAG_ACTIVITY_CLEAR_TOP); 2727 mContext.startActivityAsUser(intent, null, UserHandle.CURRENT); 2728 } 2729 2730 private boolean isScreenLocked() { 2731 return mKeyguardManager != null 2732 && mKeyguardManager.isKeyguardLocked() && mKeyguardManager.isKeyguardSecure(); 2733 } 2734 2735 private void showInputMethodMenuInternal(boolean showSubtypes) { 2736 if (DEBUG) Slog.v(TAG, "Show switching menu"); 2737 2738 final Context context = mContext; 2739 final boolean isScreenLocked = isScreenLocked(); 2740 2741 final String lastInputMethodId = mSettings.getSelectedInputMethod(); 2742 int lastInputMethodSubtypeId = mSettings.getSelectedInputMethodSubtypeId(lastInputMethodId); 2743 if (DEBUG) Slog.v(TAG, "Current IME: " + lastInputMethodId); 2744 2745 synchronized (mMethodMap) { 2746 final HashMap<InputMethodInfo, List<InputMethodSubtype>> immis = 2747 mSettings.getExplicitlyOrImplicitlyEnabledInputMethodsAndSubtypeListLocked( 2748 mContext); 2749 if (immis == null || immis.size() == 0) { 2750 return; 2751 } 2752 2753 hideInputMethodMenuLocked(); 2754 2755 final List<ImeSubtypeListItem> imList = 2756 mSwitchingController.getSortedInputMethodAndSubtypeListLocked( 2757 showSubtypes, mInputShown, isScreenLocked); 2758 2759 if (lastInputMethodSubtypeId == NOT_A_SUBTYPE_ID) { 2760 final InputMethodSubtype currentSubtype = getCurrentInputMethodSubtypeLocked(); 2761 if (currentSubtype != null) { 2762 final InputMethodInfo currentImi = mMethodMap.get(mCurMethodId); 2763 lastInputMethodSubtypeId = InputMethodUtils.getSubtypeIdFromHashCode( 2764 currentImi, currentSubtype.hashCode()); 2765 } 2766 } 2767 2768 final int N = imList.size(); 2769 mIms = new InputMethodInfo[N]; 2770 mSubtypeIds = new int[N]; 2771 int checkedItem = 0; 2772 for (int i = 0; i < N; ++i) { 2773 final ImeSubtypeListItem item = imList.get(i); 2774 mIms[i] = item.mImi; 2775 mSubtypeIds[i] = item.mSubtypeId; 2776 if (mIms[i].getId().equals(lastInputMethodId)) { 2777 int subtypeId = mSubtypeIds[i]; 2778 if ((subtypeId == NOT_A_SUBTYPE_ID) 2779 || (lastInputMethodSubtypeId == NOT_A_SUBTYPE_ID && subtypeId == 0) 2780 || (subtypeId == lastInputMethodSubtypeId)) { 2781 checkedItem = i; 2782 } 2783 } 2784 } 2785 final Context themedContext = new ContextThemeWrapper(context, 2786 android.R.style.Theme_DeviceDefault_Settings); 2787 mDialogBuilder = new AlertDialog.Builder(themedContext); 2788 final TypedArray a = themedContext.obtainStyledAttributes(null, 2789 com.android.internal.R.styleable.DialogPreference, 2790 com.android.internal.R.attr.alertDialogStyle, 0); 2791 mDialogBuilder.setIcon(a.getDrawable( 2792 com.android.internal.R.styleable.DialogPreference_dialogIcon)); 2793 a.recycle(); 2794 mDialogBuilder.setOnCancelListener(new OnCancelListener() { 2795 @Override 2796 public void onCancel(DialogInterface dialog) { 2797 hideInputMethodMenu(); 2798 } 2799 }); 2800 final LayoutInflater inflater = 2801 (LayoutInflater)themedContext.getSystemService(Context.LAYOUT_INFLATER_SERVICE); 2802 final View tv = inflater.inflate( 2803 com.android.internal.R.layout.input_method_switch_dialog_title, null); 2804 mDialogBuilder.setCustomTitle(tv); 2805 2806 // Setup layout for a toggle switch of the hardware keyboard 2807 mSwitchingDialogTitleView = tv; 2808 mSwitchingDialogTitleView 2809 .findViewById(com.android.internal.R.id.hard_keyboard_section) 2810 .setVisibility(mWindowManagerService.isHardKeyboardAvailable() 2811 ? View.VISIBLE : View.GONE); 2812 final Switch hardKeySwitch = (Switch)mSwitchingDialogTitleView.findViewById( 2813 com.android.internal.R.id.hard_keyboard_switch); 2814 hardKeySwitch.setChecked(mWindowManagerService.isShowImeWithHardKeyboardEnabled()); 2815 hardKeySwitch.setOnCheckedChangeListener(new OnCheckedChangeListener() { 2816 @Override 2817 public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) { 2818 mWindowManagerService.setShowImeWithHardKeyboard(isChecked); 2819 // Ensure that the input method dialog is dismissed when changing 2820 // the hardware keyboard state. 2821 hideInputMethodMenu(); 2822 } 2823 }); 2824 2825 final ImeSubtypeListAdapter adapter = new ImeSubtypeListAdapter(themedContext, 2826 com.android.internal.R.layout.input_method_switch_item, imList, checkedItem); 2827 final OnClickListener choiceListener = new OnClickListener() { 2828 @Override 2829 public void onClick(final DialogInterface dialog, final int which) { 2830 synchronized (mMethodMap) { 2831 if (mIms == null || mIms.length <= which || mSubtypeIds == null 2832 || mSubtypeIds.length <= which) { 2833 return; 2834 } 2835 final InputMethodInfo im = mIms[which]; 2836 int subtypeId = mSubtypeIds[which]; 2837 adapter.mCheckedItem = which; 2838 adapter.notifyDataSetChanged(); 2839 hideInputMethodMenu(); 2840 if (im != null) { 2841 if (subtypeId < 0 || subtypeId >= im.getSubtypeCount()) { 2842 subtypeId = NOT_A_SUBTYPE_ID; 2843 } 2844 setInputMethodLocked(im.getId(), subtypeId); 2845 } 2846 } 2847 } 2848 }; 2849 mDialogBuilder.setSingleChoiceItems(adapter, checkedItem, choiceListener); 2850 2851 if (showSubtypes && !isScreenLocked) { 2852 final OnClickListener positiveListener = new OnClickListener() { 2853 @Override 2854 public void onClick(DialogInterface dialog, int whichButton) { 2855 showConfigureInputMethods(); 2856 } 2857 }; 2858 mDialogBuilder.setPositiveButton( 2859 com.android.internal.R.string.configure_input_methods, positiveListener); 2860 } 2861 mSwitchingDialog = mDialogBuilder.create(); 2862 mSwitchingDialog.setCanceledOnTouchOutside(true); 2863 mSwitchingDialog.getWindow().setType( 2864 WindowManager.LayoutParams.TYPE_INPUT_METHOD_DIALOG); 2865 mSwitchingDialog.getWindow().getAttributes().privateFlags |= 2866 WindowManager.LayoutParams.PRIVATE_FLAG_SHOW_FOR_ALL_USERS; 2867 mSwitchingDialog.getWindow().getAttributes().setTitle("Select input method"); 2868 updateImeWindowStatusLocked(); 2869 mSwitchingDialog.show(); 2870 } 2871 } 2872 2873 private static class ImeSubtypeListAdapter extends ArrayAdapter<ImeSubtypeListItem> { 2874 private final LayoutInflater mInflater; 2875 private final int mTextViewResourceId; 2876 private final List<ImeSubtypeListItem> mItemsList; 2877 public int mCheckedItem; 2878 public ImeSubtypeListAdapter(Context context, int textViewResourceId, 2879 List<ImeSubtypeListItem> itemsList, int checkedItem) { 2880 super(context, textViewResourceId, itemsList); 2881 mTextViewResourceId = textViewResourceId; 2882 mItemsList = itemsList; 2883 mCheckedItem = checkedItem; 2884 mInflater = (LayoutInflater)context.getSystemService(Context.LAYOUT_INFLATER_SERVICE); 2885 } 2886 2887 @Override 2888 public View getView(int position, View convertView, ViewGroup parent) { 2889 final View view = convertView != null ? convertView 2890 : mInflater.inflate(mTextViewResourceId, null); 2891 if (position < 0 || position >= mItemsList.size()) return view; 2892 final ImeSubtypeListItem item = mItemsList.get(position); 2893 final CharSequence imeName = item.mImeName; 2894 final CharSequence subtypeName = item.mSubtypeName; 2895 final TextView firstTextView = (TextView)view.findViewById(android.R.id.text1); 2896 final TextView secondTextView = (TextView)view.findViewById(android.R.id.text2); 2897 if (TextUtils.isEmpty(subtypeName)) { 2898 firstTextView.setText(imeName); 2899 secondTextView.setVisibility(View.GONE); 2900 } else { 2901 firstTextView.setText(subtypeName); 2902 secondTextView.setText(imeName); 2903 secondTextView.setVisibility(View.VISIBLE); 2904 } 2905 final RadioButton radioButton = 2906 (RadioButton)view.findViewById(com.android.internal.R.id.radio); 2907 radioButton.setChecked(position == mCheckedItem); 2908 return view; 2909 } 2910 } 2911 2912 void hideInputMethodMenu() { 2913 synchronized (mMethodMap) { 2914 hideInputMethodMenuLocked(); 2915 } 2916 } 2917 2918 void hideInputMethodMenuLocked() { 2919 if (DEBUG) Slog.v(TAG, "Hide switching menu"); 2920 2921 if (mSwitchingDialog != null) { 2922 mSwitchingDialog.dismiss(); 2923 mSwitchingDialog = null; 2924 } 2925 2926 updateImeWindowStatusLocked(); 2927 mDialogBuilder = null; 2928 mIms = null; 2929 } 2930 2931 // ---------------------------------------------------------------------- 2932 2933 @Override 2934 public boolean setInputMethodEnabled(String id, boolean enabled) { 2935 // TODO: Make this work even for non-current users? 2936 if (!calledFromValidUser()) { 2937 return false; 2938 } 2939 synchronized (mMethodMap) { 2940 if (mContext.checkCallingOrSelfPermission( 2941 android.Manifest.permission.WRITE_SECURE_SETTINGS) 2942 != PackageManager.PERMISSION_GRANTED) { 2943 throw new SecurityException( 2944 "Requires permission " 2945 + android.Manifest.permission.WRITE_SECURE_SETTINGS); 2946 } 2947 2948 long ident = Binder.clearCallingIdentity(); 2949 try { 2950 return setInputMethodEnabledLocked(id, enabled); 2951 } finally { 2952 Binder.restoreCallingIdentity(ident); 2953 } 2954 } 2955 } 2956 2957 boolean setInputMethodEnabledLocked(String id, boolean enabled) { 2958 // Make sure this is a valid input method. 2959 InputMethodInfo imm = mMethodMap.get(id); 2960 if (imm == null) { 2961 throw new IllegalArgumentException("Unknown id: " + mCurMethodId); 2962 } 2963 2964 List<Pair<String, ArrayList<String>>> enabledInputMethodsList = mSettings 2965 .getEnabledInputMethodsAndSubtypeListLocked(); 2966 2967 if (enabled) { 2968 for (Pair<String, ArrayList<String>> pair: enabledInputMethodsList) { 2969 if (pair.first.equals(id)) { 2970 // We are enabling this input method, but it is already enabled. 2971 // Nothing to do. The previous state was enabled. 2972 return true; 2973 } 2974 } 2975 mSettings.appendAndPutEnabledInputMethodLocked(id, false); 2976 // Previous state was disabled. 2977 return false; 2978 } else { 2979 StringBuilder builder = new StringBuilder(); 2980 if (mSettings.buildAndPutEnabledInputMethodsStrRemovingIdLocked( 2981 builder, enabledInputMethodsList, id)) { 2982 // Disabled input method is currently selected, switch to another one. 2983 final String selId = mSettings.getSelectedInputMethod(); 2984 if (id.equals(selId) && !chooseNewDefaultIMELocked()) { 2985 Slog.i(TAG, "Can't find new IME, unsetting the current input method."); 2986 resetSelectedInputMethodAndSubtypeLocked(""); 2987 } 2988 // Previous state was enabled. 2989 return true; 2990 } else { 2991 // We are disabling the input method but it is already disabled. 2992 // Nothing to do. The previous state was disabled. 2993 return false; 2994 } 2995 } 2996 } 2997 2998 private void setSelectedInputMethodAndSubtypeLocked(InputMethodInfo imi, int subtypeId, 2999 boolean setSubtypeOnly) { 3000 // Update the history of InputMethod and Subtype 3001 mSettings.saveCurrentInputMethodAndSubtypeToHistory(mCurMethodId, mCurrentSubtype); 3002 3003 mCurUserActionNotificationSequenceNumber = 3004 Math.max(mCurUserActionNotificationSequenceNumber + 1, 1); 3005 if (DEBUG) { 3006 Slog.d(TAG, "Bump mCurUserActionNotificationSequenceNumber:" 3007 + mCurUserActionNotificationSequenceNumber); 3008 } 3009 3010 if (mCurClient != null && mCurClient.client != null) { 3011 executeOrSendMessage(mCurClient.client, mCaller.obtainMessageIO( 3012 MSG_SET_USER_ACTION_NOTIFICATION_SEQUENCE_NUMBER, 3013 mCurUserActionNotificationSequenceNumber, mCurClient.client)); 3014 } 3015 3016 // Set Subtype here 3017 if (imi == null || subtypeId < 0) { 3018 mSettings.putSelectedSubtype(NOT_A_SUBTYPE_ID); 3019 mCurrentSubtype = null; 3020 } else { 3021 if (subtypeId < imi.getSubtypeCount()) { 3022 InputMethodSubtype subtype = imi.getSubtypeAt(subtypeId); 3023 mSettings.putSelectedSubtype(subtype.hashCode()); 3024 mCurrentSubtype = subtype; 3025 } else { 3026 mSettings.putSelectedSubtype(NOT_A_SUBTYPE_ID); 3027 // If the subtype is not specified, choose the most applicable one 3028 mCurrentSubtype = getCurrentInputMethodSubtypeLocked(); 3029 } 3030 } 3031 3032 // Workaround. 3033 // ASEC is not ready in the IMMS constructor. Accordingly, forward-locked 3034 // IMEs are not recognized and considered uninstalled. 3035 // Actually, we can't move everything after SystemReady because 3036 // IMMS needs to run in the encryption lock screen. So, we just skip changing 3037 // the default IME here and try cheking the default IME again in systemReady(). 3038 // TODO: Do nothing before system ready and implement a separated logic for 3039 // the encryption lock screen. 3040 // TODO: ASEC should be ready before IMMS is instantiated. 3041 if (mSystemReady && !setSubtypeOnly) { 3042 // Set InputMethod here 3043 mSettings.putSelectedInputMethod(imi != null ? imi.getId() : ""); 3044 } 3045 } 3046 3047 private void resetSelectedInputMethodAndSubtypeLocked(String newDefaultIme) { 3048 InputMethodInfo imi = mMethodMap.get(newDefaultIme); 3049 int lastSubtypeId = NOT_A_SUBTYPE_ID; 3050 // newDefaultIme is empty when there is no candidate for the selected IME. 3051 if (imi != null && !TextUtils.isEmpty(newDefaultIme)) { 3052 String subtypeHashCode = mSettings.getLastSubtypeForInputMethodLocked(newDefaultIme); 3053 if (subtypeHashCode != null) { 3054 try { 3055 lastSubtypeId = InputMethodUtils.getSubtypeIdFromHashCode( 3056 imi, Integer.valueOf(subtypeHashCode)); 3057 } catch (NumberFormatException e) { 3058 Slog.w(TAG, "HashCode for subtype looks broken: " + subtypeHashCode, e); 3059 } 3060 } 3061 } 3062 setSelectedInputMethodAndSubtypeLocked(imi, lastSubtypeId, false); 3063 } 3064 3065 // If there are no selected shortcuts, tries finding the most applicable ones. 3066 private Pair<InputMethodInfo, InputMethodSubtype> 3067 findLastResortApplicableShortcutInputMethodAndSubtypeLocked(String mode) { 3068 List<InputMethodInfo> imis = mSettings.getEnabledInputMethodListLocked(); 3069 InputMethodInfo mostApplicableIMI = null; 3070 InputMethodSubtype mostApplicableSubtype = null; 3071 boolean foundInSystemIME = false; 3072 3073 // Search applicable subtype for each InputMethodInfo 3074 for (InputMethodInfo imi: imis) { 3075 final String imiId = imi.getId(); 3076 if (foundInSystemIME && !imiId.equals(mCurMethodId)) { 3077 continue; 3078 } 3079 InputMethodSubtype subtype = null; 3080 final List<InputMethodSubtype> enabledSubtypes = 3081 mSettings.getEnabledInputMethodSubtypeListLocked(mContext, imi, true); 3082 // 1. Search by the current subtype's locale from enabledSubtypes. 3083 if (mCurrentSubtype != null) { 3084 subtype = InputMethodUtils.findLastResortApplicableSubtypeLocked( 3085 mRes, enabledSubtypes, mode, mCurrentSubtype.getLocale(), false); 3086 } 3087 // 2. Search by the system locale from enabledSubtypes. 3088 // 3. Search the first enabled subtype matched with mode from enabledSubtypes. 3089 if (subtype == null) { 3090 subtype = InputMethodUtils.findLastResortApplicableSubtypeLocked( 3091 mRes, enabledSubtypes, mode, null, true); 3092 } 3093 final ArrayList<InputMethodSubtype> overridingImplicitlyEnabledSubtypes = 3094 InputMethodUtils.getOverridingImplicitlyEnabledSubtypes(imi, mode); 3095 final ArrayList<InputMethodSubtype> subtypesForSearch = 3096 overridingImplicitlyEnabledSubtypes.isEmpty() 3097 ? InputMethodUtils.getSubtypes(imi) 3098 : overridingImplicitlyEnabledSubtypes; 3099 // 4. Search by the current subtype's locale from all subtypes. 3100 if (subtype == null && mCurrentSubtype != null) { 3101 subtype = InputMethodUtils.findLastResortApplicableSubtypeLocked( 3102 mRes, subtypesForSearch, mode, mCurrentSubtype.getLocale(), false); 3103 } 3104 // 5. Search by the system locale from all subtypes. 3105 // 6. Search the first enabled subtype matched with mode from all subtypes. 3106 if (subtype == null) { 3107 subtype = InputMethodUtils.findLastResortApplicableSubtypeLocked( 3108 mRes, subtypesForSearch, mode, null, true); 3109 } 3110 if (subtype != null) { 3111 if (imiId.equals(mCurMethodId)) { 3112 // The current input method is the most applicable IME. 3113 mostApplicableIMI = imi; 3114 mostApplicableSubtype = subtype; 3115 break; 3116 } else if (!foundInSystemIME) { 3117 // The system input method is 2nd applicable IME. 3118 mostApplicableIMI = imi; 3119 mostApplicableSubtype = subtype; 3120 if ((imi.getServiceInfo().applicationInfo.flags 3121 & ApplicationInfo.FLAG_SYSTEM) != 0) { 3122 foundInSystemIME = true; 3123 } 3124 } 3125 } 3126 } 3127 if (DEBUG) { 3128 if (mostApplicableIMI != null) { 3129 Slog.w(TAG, "Most applicable shortcut input method was:" 3130 + mostApplicableIMI.getId()); 3131 if (mostApplicableSubtype != null) { 3132 Slog.w(TAG, "Most applicable shortcut input method subtype was:" 3133 + "," + mostApplicableSubtype.getMode() + "," 3134 + mostApplicableSubtype.getLocale()); 3135 } 3136 } 3137 } 3138 if (mostApplicableIMI != null) { 3139 return new Pair<InputMethodInfo, InputMethodSubtype> (mostApplicableIMI, 3140 mostApplicableSubtype); 3141 } else { 3142 return null; 3143 } 3144 } 3145 3146 /** 3147 * @return Return the current subtype of this input method. 3148 */ 3149 @Override 3150 public InputMethodSubtype getCurrentInputMethodSubtype() { 3151 // TODO: Make this work even for non-current users? 3152 if (!calledFromValidUser()) { 3153 return null; 3154 } 3155 synchronized (mMethodMap) { 3156 return getCurrentInputMethodSubtypeLocked(); 3157 } 3158 } 3159 3160 private InputMethodSubtype getCurrentInputMethodSubtypeLocked() { 3161 if (mCurMethodId == null) { 3162 return null; 3163 } 3164 final boolean subtypeIsSelected = mSettings.isSubtypeSelected(); 3165 final InputMethodInfo imi = mMethodMap.get(mCurMethodId); 3166 if (imi == null || imi.getSubtypeCount() == 0) { 3167 return null; 3168 } 3169 if (!subtypeIsSelected || mCurrentSubtype == null 3170 || !InputMethodUtils.isValidSubtypeId(imi, mCurrentSubtype.hashCode())) { 3171 int subtypeId = mSettings.getSelectedInputMethodSubtypeId(mCurMethodId); 3172 if (subtypeId == NOT_A_SUBTYPE_ID) { 3173 // If there are no selected subtypes, the framework will try to find 3174 // the most applicable subtype from explicitly or implicitly enabled 3175 // subtypes. 3176 List<InputMethodSubtype> explicitlyOrImplicitlyEnabledSubtypes = 3177 mSettings.getEnabledInputMethodSubtypeListLocked(mContext, imi, true); 3178 // If there is only one explicitly or implicitly enabled subtype, 3179 // just returns it. 3180 if (explicitlyOrImplicitlyEnabledSubtypes.size() == 1) { 3181 mCurrentSubtype = explicitlyOrImplicitlyEnabledSubtypes.get(0); 3182 } else if (explicitlyOrImplicitlyEnabledSubtypes.size() > 1) { 3183 mCurrentSubtype = InputMethodUtils.findLastResortApplicableSubtypeLocked( 3184 mRes, explicitlyOrImplicitlyEnabledSubtypes, 3185 InputMethodUtils.SUBTYPE_MODE_KEYBOARD, null, true); 3186 if (mCurrentSubtype == null) { 3187 mCurrentSubtype = InputMethodUtils.findLastResortApplicableSubtypeLocked( 3188 mRes, explicitlyOrImplicitlyEnabledSubtypes, null, null, 3189 true); 3190 } 3191 } 3192 } else { 3193 mCurrentSubtype = InputMethodUtils.getSubtypes(imi).get(subtypeId); 3194 } 3195 } 3196 return mCurrentSubtype; 3197 } 3198 3199 private void addShortcutInputMethodAndSubtypes(InputMethodInfo imi, 3200 InputMethodSubtype subtype) { 3201 if (mShortcutInputMethodsAndSubtypes.containsKey(imi)) { 3202 mShortcutInputMethodsAndSubtypes.get(imi).add(subtype); 3203 } else { 3204 ArrayList<InputMethodSubtype> subtypes = new ArrayList<InputMethodSubtype>(); 3205 subtypes.add(subtype); 3206 mShortcutInputMethodsAndSubtypes.put(imi, subtypes); 3207 } 3208 } 3209 3210 // TODO: We should change the return type from List to List<Parcelable> 3211 @SuppressWarnings("rawtypes") 3212 @Override 3213 public List getShortcutInputMethodsAndSubtypes() { 3214 synchronized (mMethodMap) { 3215 ArrayList<Object> ret = new ArrayList<Object>(); 3216 if (mShortcutInputMethodsAndSubtypes.size() == 0) { 3217 // If there are no selected shortcut subtypes, the framework will try to find 3218 // the most applicable subtype from all subtypes whose mode is 3219 // SUBTYPE_MODE_VOICE. This is an exceptional case, so we will hardcode the mode. 3220 Pair<InputMethodInfo, InputMethodSubtype> info = 3221 findLastResortApplicableShortcutInputMethodAndSubtypeLocked( 3222 InputMethodUtils.SUBTYPE_MODE_VOICE); 3223 if (info != null) { 3224 ret.add(info.first); 3225 ret.add(info.second); 3226 } 3227 return ret; 3228 } 3229 for (InputMethodInfo imi: mShortcutInputMethodsAndSubtypes.keySet()) { 3230 ret.add(imi); 3231 for (InputMethodSubtype subtype: mShortcutInputMethodsAndSubtypes.get(imi)) { 3232 ret.add(subtype); 3233 } 3234 } 3235 return ret; 3236 } 3237 } 3238 3239 @Override 3240 public boolean setCurrentInputMethodSubtype(InputMethodSubtype subtype) { 3241 // TODO: Make this work even for non-current users? 3242 if (!calledFromValidUser()) { 3243 return false; 3244 } 3245 synchronized (mMethodMap) { 3246 if (subtype != null && mCurMethodId != null) { 3247 InputMethodInfo imi = mMethodMap.get(mCurMethodId); 3248 int subtypeId = InputMethodUtils.getSubtypeIdFromHashCode(imi, subtype.hashCode()); 3249 if (subtypeId != NOT_A_SUBTYPE_ID) { 3250 setInputMethodLocked(mCurMethodId, subtypeId); 3251 return true; 3252 } 3253 } 3254 return false; 3255 } 3256 } 3257 3258 // TODO: Cache the state for each user and reset when the cached user is removed. 3259 private static class InputMethodFileManager { 3260 private static final String SYSTEM_PATH = "system"; 3261 private static final String INPUT_METHOD_PATH = "inputmethod"; 3262 private static final String ADDITIONAL_SUBTYPES_FILE_NAME = "subtypes.xml"; 3263 private static final String NODE_SUBTYPES = "subtypes"; 3264 private static final String NODE_SUBTYPE = "subtype"; 3265 private static final String NODE_IMI = "imi"; 3266 private static final String ATTR_ID = "id"; 3267 private static final String ATTR_LABEL = "label"; 3268 private static final String ATTR_ICON = "icon"; 3269 private static final String ATTR_IME_SUBTYPE_LOCALE = "imeSubtypeLocale"; 3270 private static final String ATTR_IME_SUBTYPE_MODE = "imeSubtypeMode"; 3271 private static final String ATTR_IME_SUBTYPE_EXTRA_VALUE = "imeSubtypeExtraValue"; 3272 private static final String ATTR_IS_AUXILIARY = "isAuxiliary"; 3273 private final AtomicFile mAdditionalInputMethodSubtypeFile; 3274 private final HashMap<String, InputMethodInfo> mMethodMap; 3275 private final HashMap<String, List<InputMethodSubtype>> mAdditionalSubtypesMap = 3276 new HashMap<String, List<InputMethodSubtype>>(); 3277 public InputMethodFileManager(HashMap<String, InputMethodInfo> methodMap, int userId) { 3278 if (methodMap == null) { 3279 throw new NullPointerException("methodMap is null"); 3280 } 3281 mMethodMap = methodMap; 3282 final File systemDir = userId == UserHandle.USER_OWNER 3283 ? new File(Environment.getDataDirectory(), SYSTEM_PATH) 3284 : Environment.getUserSystemDirectory(userId); 3285 final File inputMethodDir = new File(systemDir, INPUT_METHOD_PATH); 3286 if (!inputMethodDir.mkdirs()) { 3287 Slog.w(TAG, "Couldn't create dir.: " + inputMethodDir.getAbsolutePath()); 3288 } 3289 final File subtypeFile = new File(inputMethodDir, ADDITIONAL_SUBTYPES_FILE_NAME); 3290 mAdditionalInputMethodSubtypeFile = new AtomicFile(subtypeFile); 3291 if (!subtypeFile.exists()) { 3292 // If "subtypes.xml" doesn't exist, create a blank file. 3293 writeAdditionalInputMethodSubtypes( 3294 mAdditionalSubtypesMap, mAdditionalInputMethodSubtypeFile, methodMap); 3295 } else { 3296 readAdditionalInputMethodSubtypes( 3297 mAdditionalSubtypesMap, mAdditionalInputMethodSubtypeFile); 3298 } 3299 } 3300 3301 private void deleteAllInputMethodSubtypes(String imiId) { 3302 synchronized (mMethodMap) { 3303 mAdditionalSubtypesMap.remove(imiId); 3304 writeAdditionalInputMethodSubtypes( 3305 mAdditionalSubtypesMap, mAdditionalInputMethodSubtypeFile, mMethodMap); 3306 } 3307 } 3308 3309 public void addInputMethodSubtypes( 3310 InputMethodInfo imi, InputMethodSubtype[] additionalSubtypes) { 3311 synchronized (mMethodMap) { 3312 final ArrayList<InputMethodSubtype> subtypes = new ArrayList<InputMethodSubtype>(); 3313 final int N = additionalSubtypes.length; 3314 for (int i = 0; i < N; ++i) { 3315 final InputMethodSubtype subtype = additionalSubtypes[i]; 3316 if (!subtypes.contains(subtype)) { 3317 subtypes.add(subtype); 3318 } else { 3319 Slog.w(TAG, "Duplicated subtype definition found: " 3320 + subtype.getLocale() + ", " + subtype.getMode()); 3321 } 3322 } 3323 mAdditionalSubtypesMap.put(imi.getId(), subtypes); 3324 writeAdditionalInputMethodSubtypes( 3325 mAdditionalSubtypesMap, mAdditionalInputMethodSubtypeFile, mMethodMap); 3326 } 3327 } 3328 3329 public HashMap<String, List<InputMethodSubtype>> getAllAdditionalInputMethodSubtypes() { 3330 synchronized (mMethodMap) { 3331 return mAdditionalSubtypesMap; 3332 } 3333 } 3334 3335 private static void writeAdditionalInputMethodSubtypes( 3336 HashMap<String, List<InputMethodSubtype>> allSubtypes, AtomicFile subtypesFile, 3337 HashMap<String, InputMethodInfo> methodMap) { 3338 // Safety net for the case that this function is called before methodMap is set. 3339 final boolean isSetMethodMap = methodMap != null && methodMap.size() > 0; 3340 FileOutputStream fos = null; 3341 try { 3342 fos = subtypesFile.startWrite(); 3343 final XmlSerializer out = new FastXmlSerializer(); 3344 out.setOutput(fos, "utf-8"); 3345 out.startDocument(null, true); 3346 out.setFeature("http://xmlpull.org/v1/doc/features.html#indent-output", true); 3347 out.startTag(null, NODE_SUBTYPES); 3348 for (String imiId : allSubtypes.keySet()) { 3349 if (isSetMethodMap && !methodMap.containsKey(imiId)) { 3350 Slog.w(TAG, "IME uninstalled or not valid.: " + imiId); 3351 continue; 3352 } 3353 out.startTag(null, NODE_IMI); 3354 out.attribute(null, ATTR_ID, imiId); 3355 final List<InputMethodSubtype> subtypesList = allSubtypes.get(imiId); 3356 final int N = subtypesList.size(); 3357 for (int i = 0; i < N; ++i) { 3358 final InputMethodSubtype subtype = subtypesList.get(i); 3359 out.startTag(null, NODE_SUBTYPE); 3360 out.attribute(null, ATTR_ICON, String.valueOf(subtype.getIconResId())); 3361 out.attribute(null, ATTR_LABEL, String.valueOf(subtype.getNameResId())); 3362 out.attribute(null, ATTR_IME_SUBTYPE_LOCALE, subtype.getLocale()); 3363 out.attribute(null, ATTR_IME_SUBTYPE_MODE, subtype.getMode()); 3364 out.attribute(null, ATTR_IME_SUBTYPE_EXTRA_VALUE, subtype.getExtraValue()); 3365 out.attribute(null, ATTR_IS_AUXILIARY, 3366 String.valueOf(subtype.isAuxiliary() ? 1 : 0)); 3367 out.endTag(null, NODE_SUBTYPE); 3368 } 3369 out.endTag(null, NODE_IMI); 3370 } 3371 out.endTag(null, NODE_SUBTYPES); 3372 out.endDocument(); 3373 subtypesFile.finishWrite(fos); 3374 } catch (java.io.IOException e) { 3375 Slog.w(TAG, "Error writing subtypes", e); 3376 if (fos != null) { 3377 subtypesFile.failWrite(fos); 3378 } 3379 } 3380 } 3381 3382 private static void readAdditionalInputMethodSubtypes( 3383 HashMap<String, List<InputMethodSubtype>> allSubtypes, AtomicFile subtypesFile) { 3384 if (allSubtypes == null || subtypesFile == null) return; 3385 allSubtypes.clear(); 3386 FileInputStream fis = null; 3387 try { 3388 fis = subtypesFile.openRead(); 3389 final XmlPullParser parser = Xml.newPullParser(); 3390 parser.setInput(fis, null); 3391 int type = parser.getEventType(); 3392 // Skip parsing until START_TAG 3393 while ((type = parser.next()) != XmlPullParser.START_TAG 3394 && type != XmlPullParser.END_DOCUMENT) {} 3395 String firstNodeName = parser.getName(); 3396 if (!NODE_SUBTYPES.equals(firstNodeName)) { 3397 throw new XmlPullParserException("Xml doesn't start with subtypes"); 3398 } 3399 final int depth =parser.getDepth(); 3400 String currentImiId = null; 3401 ArrayList<InputMethodSubtype> tempSubtypesArray = null; 3402 while (((type = parser.next()) != XmlPullParser.END_TAG 3403 || parser.getDepth() > depth) && type != XmlPullParser.END_DOCUMENT) { 3404 if (type != XmlPullParser.START_TAG) 3405 continue; 3406 final String nodeName = parser.getName(); 3407 if (NODE_IMI.equals(nodeName)) { 3408 currentImiId = parser.getAttributeValue(null, ATTR_ID); 3409 if (TextUtils.isEmpty(currentImiId)) { 3410 Slog.w(TAG, "Invalid imi id found in subtypes.xml"); 3411 continue; 3412 } 3413 tempSubtypesArray = new ArrayList<InputMethodSubtype>(); 3414 allSubtypes.put(currentImiId, tempSubtypesArray); 3415 } else if (NODE_SUBTYPE.equals(nodeName)) { 3416 if (TextUtils.isEmpty(currentImiId) || tempSubtypesArray == null) { 3417 Slog.w(TAG, "IME uninstalled or not valid.: " + currentImiId); 3418 continue; 3419 } 3420 final int icon = Integer.valueOf( 3421 parser.getAttributeValue(null, ATTR_ICON)); 3422 final int label = Integer.valueOf( 3423 parser.getAttributeValue(null, ATTR_LABEL)); 3424 final String imeSubtypeLocale = 3425 parser.getAttributeValue(null, ATTR_IME_SUBTYPE_LOCALE); 3426 final String imeSubtypeMode = 3427 parser.getAttributeValue(null, ATTR_IME_SUBTYPE_MODE); 3428 final String imeSubtypeExtraValue = 3429 parser.getAttributeValue(null, ATTR_IME_SUBTYPE_EXTRA_VALUE); 3430 final boolean isAuxiliary = "1".equals(String.valueOf( 3431 parser.getAttributeValue(null, ATTR_IS_AUXILIARY))); 3432 final InputMethodSubtype subtype = 3433 new InputMethodSubtype(label, icon, imeSubtypeLocale, 3434 imeSubtypeMode, imeSubtypeExtraValue, isAuxiliary); 3435 tempSubtypesArray.add(subtype); 3436 } 3437 } 3438 } catch (XmlPullParserException e) { 3439 Slog.w(TAG, "Error reading subtypes: " + e); 3440 return; 3441 } catch (java.io.IOException e) { 3442 Slog.w(TAG, "Error reading subtypes: " + e); 3443 return; 3444 } catch (NumberFormatException e) { 3445 Slog.w(TAG, "Error reading subtypes: " + e); 3446 return; 3447 } finally { 3448 if (fis != null) { 3449 try { 3450 fis.close(); 3451 } catch (java.io.IOException e1) { 3452 Slog.w(TAG, "Failed to close."); 3453 } 3454 } 3455 } 3456 } 3457 } 3458 3459 @Override 3460 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 3461 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 3462 != PackageManager.PERMISSION_GRANTED) { 3463 3464 pw.println("Permission Denial: can't dump InputMethodManager from from pid=" 3465 + Binder.getCallingPid() 3466 + ", uid=" + Binder.getCallingUid()); 3467 return; 3468 } 3469 3470 IInputMethod method; 3471 ClientState client; 3472 3473 final Printer p = new PrintWriterPrinter(pw); 3474 3475 synchronized (mMethodMap) { 3476 p.println("Current Input Method Manager state:"); 3477 int N = mMethodList.size(); 3478 p.println(" Input Methods:"); 3479 for (int i=0; i<N; i++) { 3480 InputMethodInfo info = mMethodList.get(i); 3481 p.println(" InputMethod #" + i + ":"); 3482 info.dump(p, " "); 3483 } 3484 p.println(" Clients:"); 3485 for (ClientState ci : mClients.values()) { 3486 p.println(" Client " + ci + ":"); 3487 p.println(" client=" + ci.client); 3488 p.println(" inputContext=" + ci.inputContext); 3489 p.println(" sessionRequested=" + ci.sessionRequested); 3490 p.println(" curSession=" + ci.curSession); 3491 } 3492 p.println(" mCurMethodId=" + mCurMethodId); 3493 client = mCurClient; 3494 p.println(" mCurClient=" + client + " mCurSeq=" + mCurSeq); 3495 p.println(" mCurFocusedWindow=" + mCurFocusedWindow); 3496 p.println(" mCurId=" + mCurId + " mHaveConnect=" + mHaveConnection 3497 + " mBoundToMethod=" + mBoundToMethod); 3498 p.println(" mCurToken=" + mCurToken); 3499 p.println(" mCurIntent=" + mCurIntent); 3500 method = mCurMethod; 3501 p.println(" mCurMethod=" + mCurMethod); 3502 p.println(" mEnabledSession=" + mEnabledSession); 3503 p.println(" mShowRequested=" + mShowRequested 3504 + " mShowExplicitlyRequested=" + mShowExplicitlyRequested 3505 + " mShowForced=" + mShowForced 3506 + " mInputShown=" + mInputShown); 3507 p.println(" mCurUserActionNotificationSequenceNumber=" 3508 + mCurUserActionNotificationSequenceNumber); 3509 p.println(" mSystemReady=" + mSystemReady + " mInteractive=" + mScreenOn); 3510 } 3511 3512 p.println(" "); 3513 if (client != null) { 3514 pw.flush(); 3515 try { 3516 client.client.asBinder().dump(fd, args); 3517 } catch (RemoteException e) { 3518 p.println("Input method client dead: " + e); 3519 } 3520 } else { 3521 p.println("No input method client."); 3522 } 3523 3524 p.println(" "); 3525 if (method != null) { 3526 pw.flush(); 3527 try { 3528 method.asBinder().dump(fd, args); 3529 } catch (RemoteException e) { 3530 p.println("Input method service dead: " + e); 3531 } 3532 } else { 3533 p.println("No input method service."); 3534 } 3535 } 3536} 3537