InputMethodManagerService.java revision 6aa037887800e34bd057585106609236c950ca22
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.AppOpsManager; 44import android.app.IUserSwitchObserver; 45import android.app.KeyguardManager; 46import android.app.Notification; 47import android.app.NotificationManager; 48import android.app.PendingIntent; 49import android.content.BroadcastReceiver; 50import android.content.ComponentName; 51import android.content.ContentResolver; 52import android.content.Context; 53import android.content.DialogInterface; 54import android.content.DialogInterface.OnCancelListener; 55import android.content.DialogInterface.OnClickListener; 56import android.content.Intent; 57import android.content.IntentFilter; 58import android.content.ServiceConnection; 59import android.content.pm.ApplicationInfo; 60import android.content.pm.IPackageManager; 61import android.content.pm.PackageManager; 62import android.content.pm.ResolveInfo; 63import android.content.pm.ServiceInfo; 64import android.content.pm.UserInfo; 65import android.content.res.Configuration; 66import android.content.res.Resources; 67import android.content.res.TypedArray; 68import android.database.ContentObserver; 69import android.graphics.drawable.Drawable; 70import android.inputmethodservice.InputMethodService; 71import android.net.Uri; 72import android.os.Binder; 73import android.os.Environment; 74import android.os.Handler; 75import android.os.IBinder; 76import android.os.IInterface; 77import android.os.IRemoteCallback; 78import android.os.Message; 79import android.os.Process; 80import android.os.Parcel; 81import android.os.RemoteException; 82import android.os.ResultReceiver; 83import android.os.ServiceManager; 84import android.os.SystemClock; 85import android.os.UserHandle; 86import android.os.UserManager; 87import android.provider.Settings; 88import android.text.TextUtils; 89import android.text.style.SuggestionSpan; 90import android.util.AtomicFile; 91import android.util.EventLog; 92import android.util.LruCache; 93import android.util.Pair; 94import android.util.PrintWriterPrinter; 95import android.util.Printer; 96import android.util.Slog; 97import android.util.Xml; 98import android.view.ContextThemeWrapper; 99import android.view.IWindowManager; 100import android.view.InputChannel; 101import android.view.LayoutInflater; 102import android.view.View; 103import android.view.ViewGroup; 104import android.view.WindowManager; 105import android.view.inputmethod.EditorInfo; 106import android.view.inputmethod.InputBinding; 107import android.view.inputmethod.InputMethod; 108import android.view.inputmethod.InputMethodInfo; 109import android.view.inputmethod.InputMethodManager; 110import android.view.inputmethod.InputMethodSubtype; 111import android.view.inputmethod.InputMethodSubtype.InputMethodSubtypeBuilder; 112import android.widget.ArrayAdapter; 113import android.widget.CompoundButton; 114import android.widget.CompoundButton.OnCheckedChangeListener; 115import android.widget.RadioButton; 116import android.widget.Switch; 117import android.widget.TextView; 118 119import java.io.File; 120import java.io.FileDescriptor; 121import java.io.FileInputStream; 122import java.io.FileOutputStream; 123import java.io.IOException; 124import java.io.PrintWriter; 125import java.util.ArrayList; 126import java.util.Collections; 127import java.util.HashMap; 128import java.util.List; 129import java.util.Locale; 130 131/** 132 * This class provides a system service that manages input methods. 133 */ 134public class InputMethodManagerService extends IInputMethodManager.Stub 135 implements ServiceConnection, Handler.Callback { 136 static final boolean DEBUG = false; 137 static final String TAG = "InputMethodManagerService"; 138 139 static final int MSG_SHOW_IM_PICKER = 1; 140 static final int MSG_SHOW_IM_SUBTYPE_PICKER = 2; 141 static final int MSG_SHOW_IM_SUBTYPE_ENABLER = 3; 142 static final int MSG_SHOW_IM_CONFIG = 4; 143 144 static final int MSG_UNBIND_INPUT = 1000; 145 static final int MSG_BIND_INPUT = 1010; 146 static final int MSG_SHOW_SOFT_INPUT = 1020; 147 static final int MSG_HIDE_SOFT_INPUT = 1030; 148 static final int MSG_ATTACH_TOKEN = 1040; 149 static final int MSG_CREATE_SESSION = 1050; 150 151 static final int MSG_START_INPUT = 2000; 152 static final int MSG_RESTART_INPUT = 2010; 153 154 static final int MSG_UNBIND_METHOD = 3000; 155 static final int MSG_BIND_METHOD = 3010; 156 static final int MSG_SET_ACTIVE = 3020; 157 static final int MSG_SET_USER_ACTION_NOTIFICATION_SEQUENCE_NUMBER = 3040; 158 159 static final int MSG_HARD_KEYBOARD_SWITCH_CHANGED = 4000; 160 161 static final long TIME_TO_RECONNECT = 3 * 1000; 162 163 static final int SECURE_SUGGESTION_SPANS_MAX_SIZE = 20; 164 165 private static final int NOT_A_SUBTYPE_ID = InputMethodUtils.NOT_A_SUBTYPE_ID; 166 private static final String TAG_TRY_SUPPRESSING_IME_SWITCHER = "TrySuppressingImeSwitcher"; 167 168 169 final Context mContext; 170 final Resources mRes; 171 final Handler mHandler; 172 final InputMethodSettings mSettings; 173 final SettingsObserver mSettingsObserver; 174 final IWindowManager mIWindowManager; 175 final HandlerCaller mCaller; 176 final boolean mHasFeature; 177 private InputMethodFileManager mFileManager; 178 private final HardKeyboardListener mHardKeyboardListener; 179 private final WindowManagerService mWindowManagerService; 180 private final AppOpsManager mAppOpsManager; 181 182 final InputBindResult mNoBinding = new InputBindResult(null, null, null, -1, -1); 183 184 // All known input methods. mMethodMap also serves as the global 185 // lock for this class. 186 final ArrayList<InputMethodInfo> mMethodList = new ArrayList<InputMethodInfo>(); 187 final HashMap<String, InputMethodInfo> mMethodMap = new HashMap<String, InputMethodInfo>(); 188 private final LruCache<SuggestionSpan, InputMethodInfo> mSecureSuggestionSpans = 189 new LruCache<SuggestionSpan, InputMethodInfo>(SECURE_SUGGESTION_SPANS_MAX_SIZE); 190 private final InputMethodSubtypeSwitchingController mSwitchingController; 191 192 // Used to bring IME service up to visible adjustment while it is being shown. 193 final ServiceConnection mVisibleConnection = new ServiceConnection() { 194 @Override public void onServiceConnected(ComponentName name, IBinder service) { 195 } 196 197 @Override public void onServiceDisconnected(ComponentName name) { 198 } 199 }; 200 boolean mVisibleBound = false; 201 202 // Ongoing notification 203 private NotificationManager mNotificationManager; 204 private KeyguardManager mKeyguardManager; 205 private StatusBarManagerService mStatusBar; 206 private Notification mImeSwitcherNotification; 207 private PendingIntent mImeSwitchPendingIntent; 208 private boolean mShowOngoingImeSwitcherForPhones; 209 private boolean mNotificationShown; 210 private final boolean mImeSelectedOnBoot; 211 212 static class SessionState { 213 final ClientState client; 214 final IInputMethod method; 215 216 IInputMethodSession session; 217 InputChannel channel; 218 219 @Override 220 public String toString() { 221 return "SessionState{uid " + client.uid + " pid " + client.pid 222 + " method " + Integer.toHexString( 223 System.identityHashCode(method)) 224 + " session " + Integer.toHexString( 225 System.identityHashCode(session)) 226 + " channel " + channel 227 + "}"; 228 } 229 230 SessionState(ClientState _client, IInputMethod _method, 231 IInputMethodSession _session, InputChannel _channel) { 232 client = _client; 233 method = _method; 234 session = _session; 235 channel = _channel; 236 } 237 } 238 239 static final class ClientState { 240 final IInputMethodClient client; 241 final IInputContext inputContext; 242 final int uid; 243 final int pid; 244 final InputBinding binding; 245 246 boolean sessionRequested; 247 SessionState curSession; 248 249 @Override 250 public String toString() { 251 return "ClientState{" + Integer.toHexString( 252 System.identityHashCode(this)) + " uid " + uid 253 + " pid " + pid + "}"; 254 } 255 256 ClientState(IInputMethodClient _client, IInputContext _inputContext, 257 int _uid, int _pid) { 258 client = _client; 259 inputContext = _inputContext; 260 uid = _uid; 261 pid = _pid; 262 binding = new InputBinding(null, inputContext.asBinder(), uid, pid); 263 } 264 } 265 266 final HashMap<IBinder, ClientState> mClients 267 = new HashMap<IBinder, ClientState>(); 268 269 /** 270 * Set once the system is ready to run third party code. 271 */ 272 boolean mSystemReady; 273 274 /** 275 * Id of the currently selected input method. 276 */ 277 String mCurMethodId; 278 279 /** 280 * The current binding sequence number, incremented every time there is 281 * a new bind performed. 282 */ 283 int mCurSeq; 284 285 /** 286 * The client that is currently bound to an input method. 287 */ 288 ClientState mCurClient; 289 290 /** 291 * The last window token that gained focus. 292 */ 293 IBinder mCurFocusedWindow; 294 295 /** 296 * The input context last provided by the current client. 297 */ 298 IInputContext mCurInputContext; 299 300 /** 301 * The attributes last provided by the current client. 302 */ 303 EditorInfo mCurAttribute; 304 305 /** 306 * The input method ID of the input method service that we are currently 307 * connected to or in the process of connecting to. 308 */ 309 String mCurId; 310 311 /** 312 * The current subtype of the current input method. 313 */ 314 private InputMethodSubtype mCurrentSubtype; 315 316 // This list contains the pairs of InputMethodInfo and InputMethodSubtype. 317 private final HashMap<InputMethodInfo, ArrayList<InputMethodSubtype>> 318 mShortcutInputMethodsAndSubtypes = 319 new HashMap<InputMethodInfo, ArrayList<InputMethodSubtype>>(); 320 321 // Was the keyguard locked when this client became current? 322 private boolean mCurClientInKeyguard; 323 324 /** 325 * Set to true if our ServiceConnection is currently actively bound to 326 * a service (whether or not we have gotten its IBinder back yet). 327 */ 328 boolean mHaveConnection; 329 330 /** 331 * Set if the client has asked for the input method to be shown. 332 */ 333 boolean mShowRequested; 334 335 /** 336 * Set if we were explicitly told to show the input method. 337 */ 338 boolean mShowExplicitlyRequested; 339 340 /** 341 * Set if we were forced to be shown. 342 */ 343 boolean mShowForced; 344 345 /** 346 * Set if we last told the input method to show itself. 347 */ 348 boolean mInputShown; 349 350 /** 351 * The Intent used to connect to the current input method. 352 */ 353 Intent mCurIntent; 354 355 /** 356 * The token we have made for the currently active input method, to 357 * identify it in the future. 358 */ 359 IBinder mCurToken; 360 361 /** 362 * If non-null, this is the input method service we are currently connected 363 * to. 364 */ 365 IInputMethod mCurMethod; 366 367 /** 368 * Time that we last initiated a bind to the input method, to determine 369 * if we should try to disconnect and reconnect to it. 370 */ 371 long mLastBindTime; 372 373 /** 374 * Have we called mCurMethod.bindInput()? 375 */ 376 boolean mBoundToMethod; 377 378 /** 379 * Currently enabled session. Only touched by service thread, not 380 * protected by a lock. 381 */ 382 SessionState mEnabledSession; 383 384 /** 385 * True if the screen is on. The value is true initially. 386 */ 387 boolean mScreenOn = true; 388 389 int mCurUserActionNotificationSequenceNumber = 0; 390 391 int mBackDisposition = InputMethodService.BACK_DISPOSITION_DEFAULT; 392 int mImeWindowVis; 393 394 private AlertDialog.Builder mDialogBuilder; 395 private AlertDialog mSwitchingDialog; 396 private View mSwitchingDialogTitleView; 397 private InputMethodInfo[] mIms; 398 private int[] mSubtypeIds; 399 private Locale mLastSystemLocale; 400 private boolean mShowImeWithHardKeyboard; 401 private final MyPackageMonitor mMyPackageMonitor = new MyPackageMonitor(); 402 private final IPackageManager mIPackageManager; 403 404 class SettingsObserver extends ContentObserver { 405 String mLastEnabled = ""; 406 407 SettingsObserver(Handler handler) { 408 super(handler); 409 ContentResolver resolver = mContext.getContentResolver(); 410 resolver.registerContentObserver(Settings.Secure.getUriFor( 411 Settings.Secure.DEFAULT_INPUT_METHOD), false, this); 412 resolver.registerContentObserver(Settings.Secure.getUriFor( 413 Settings.Secure.ENABLED_INPUT_METHODS), false, this); 414 resolver.registerContentObserver(Settings.Secure.getUriFor( 415 Settings.Secure.SELECTED_INPUT_METHOD_SUBTYPE), false, this); 416 resolver.registerContentObserver(Settings.Secure.getUriFor( 417 Settings.Secure.SHOW_IME_WITH_HARD_KEYBOARD), false, this); 418 } 419 420 @Override public void onChange(boolean selfChange, Uri uri) { 421 final Uri showImeUri = 422 Settings.Secure.getUriFor(Settings.Secure.SHOW_IME_WITH_HARD_KEYBOARD); 423 synchronized (mMethodMap) { 424 if (showImeUri.equals(uri)) { 425 updateKeyboardFromSettingsLocked(); 426 } else { 427 boolean enabledChanged = false; 428 String newEnabled = mSettings.getEnabledInputMethodsStr(); 429 if (!mLastEnabled.equals(newEnabled)) { 430 mLastEnabled = newEnabled; 431 enabledChanged = true; 432 } 433 updateInputMethodsFromSettingsLocked(enabledChanged); 434 } 435 } 436 } 437 } 438 439 class ImmsBroadcastReceiver extends android.content.BroadcastReceiver { 440 private void updateActive() { 441 // Inform the current client of the change in active status 442 if (mCurClient != null && mCurClient.client != null) { 443 executeOrSendMessage(mCurClient.client, mCaller.obtainMessageIO( 444 MSG_SET_ACTIVE, mScreenOn ? 1 : 0, mCurClient)); 445 } 446 } 447 448 @Override 449 public void onReceive(Context context, Intent intent) { 450 final String action = intent.getAction(); 451 if (Intent.ACTION_SCREEN_ON.equals(action)) { 452 mScreenOn = true; 453 refreshImeWindowVisibilityLocked(); 454 updateActive(); 455 return; 456 } else if (Intent.ACTION_SCREEN_OFF.equals(action)) { 457 mScreenOn = false; 458 setImeWindowVisibilityStatusHiddenLocked(); 459 updateActive(); 460 return; 461 } else if (Intent.ACTION_CLOSE_SYSTEM_DIALOGS.equals(action)) { 462 hideInputMethodMenu(); 463 // No need to updateActive 464 return; 465 } else if (Intent.ACTION_USER_ADDED.equals(action) 466 || Intent.ACTION_USER_REMOVED.equals(action)) { 467 updateCurrentProfileIds(); 468 return; 469 } else { 470 Slog.w(TAG, "Unexpected intent " + intent); 471 } 472 } 473 } 474 475 class MyPackageMonitor extends PackageMonitor { 476 private boolean isChangingPackagesOfCurrentUser() { 477 final int userId = getChangingUserId(); 478 final boolean retval = userId == mSettings.getCurrentUserId(); 479 if (DEBUG) { 480 if (!retval) { 481 Slog.d(TAG, "--- ignore this call back from a background user: " + userId); 482 } 483 } 484 return retval; 485 } 486 487 @Override 488 public boolean onHandleForceStop(Intent intent, String[] packages, int uid, boolean doit) { 489 if (!isChangingPackagesOfCurrentUser()) { 490 return false; 491 } 492 synchronized (mMethodMap) { 493 String curInputMethodId = mSettings.getSelectedInputMethod(); 494 final int N = mMethodList.size(); 495 if (curInputMethodId != null) { 496 for (int i=0; i<N; i++) { 497 InputMethodInfo imi = mMethodList.get(i); 498 if (imi.getId().equals(curInputMethodId)) { 499 for (String pkg : packages) { 500 if (imi.getPackageName().equals(pkg)) { 501 if (!doit) { 502 return true; 503 } 504 resetSelectedInputMethodAndSubtypeLocked(""); 505 chooseNewDefaultIMELocked(); 506 return true; 507 } 508 } 509 } 510 } 511 } 512 } 513 return false; 514 } 515 516 @Override 517 public void onSomePackagesChanged() { 518 if (!isChangingPackagesOfCurrentUser()) { 519 return; 520 } 521 synchronized (mMethodMap) { 522 InputMethodInfo curIm = null; 523 String curInputMethodId = mSettings.getSelectedInputMethod(); 524 final int N = mMethodList.size(); 525 if (curInputMethodId != null) { 526 for (int i=0; i<N; i++) { 527 InputMethodInfo imi = mMethodList.get(i); 528 final String imiId = imi.getId(); 529 if (imiId.equals(curInputMethodId)) { 530 curIm = imi; 531 } 532 533 int change = isPackageDisappearing(imi.getPackageName()); 534 if (isPackageModified(imi.getPackageName())) { 535 mFileManager.deleteAllInputMethodSubtypes(imiId); 536 } 537 if (change == PACKAGE_TEMPORARY_CHANGE 538 || change == PACKAGE_PERMANENT_CHANGE) { 539 Slog.i(TAG, "Input method uninstalled, disabling: " 540 + imi.getComponent()); 541 setInputMethodEnabledLocked(imi.getId(), false); 542 } 543 } 544 } 545 546 buildInputMethodListLocked( 547 mMethodList, mMethodMap, false /* resetDefaultEnabledIme */); 548 549 boolean changed = false; 550 551 if (curIm != null) { 552 int change = isPackageDisappearing(curIm.getPackageName()); 553 if (change == PACKAGE_TEMPORARY_CHANGE 554 || change == PACKAGE_PERMANENT_CHANGE) { 555 ServiceInfo si = null; 556 try { 557 si = mIPackageManager.getServiceInfo( 558 curIm.getComponent(), 0, mSettings.getCurrentUserId()); 559 } catch (RemoteException ex) { 560 } 561 if (si == null) { 562 // Uh oh, current input method is no longer around! 563 // Pick another one... 564 Slog.i(TAG, "Current input method removed: " + curInputMethodId); 565 setImeWindowVisibilityStatusHiddenLocked(); 566 if (!chooseNewDefaultIMELocked()) { 567 changed = true; 568 curIm = null; 569 Slog.i(TAG, "Unsetting current input method"); 570 resetSelectedInputMethodAndSubtypeLocked(""); 571 } 572 } 573 } 574 } 575 576 if (curIm == null) { 577 // We currently don't have a default input method... is 578 // one now available? 579 changed = chooseNewDefaultIMELocked(); 580 } 581 582 if (changed) { 583 updateFromSettingsLocked(false); 584 } 585 } 586 } 587 } 588 589 private static final class MethodCallback extends IInputSessionCallback.Stub { 590 private final InputMethodManagerService mParentIMMS; 591 private final IInputMethod mMethod; 592 private final InputChannel mChannel; 593 594 MethodCallback(InputMethodManagerService imms, IInputMethod method, 595 InputChannel channel) { 596 mParentIMMS = imms; 597 mMethod = method; 598 mChannel = channel; 599 } 600 601 @Override 602 public void sessionCreated(IInputMethodSession session) { 603 long ident = Binder.clearCallingIdentity(); 604 try { 605 mParentIMMS.onSessionCreated(mMethod, session, mChannel); 606 } finally { 607 Binder.restoreCallingIdentity(ident); 608 } 609 } 610 } 611 612 private class HardKeyboardListener 613 implements WindowManagerService.OnHardKeyboardStatusChangeListener { 614 @Override 615 public void onHardKeyboardStatusChange(boolean available) { 616 mHandler.sendMessage(mHandler.obtainMessage(MSG_HARD_KEYBOARD_SWITCH_CHANGED, 617 available ? 1 : 0)); 618 } 619 620 public void handleHardKeyboardStatusChange(boolean available) { 621 if (DEBUG) { 622 Slog.w(TAG, "HardKeyboardStatusChanged: available=" + available); 623 } 624 synchronized(mMethodMap) { 625 if (mSwitchingDialog != null && mSwitchingDialogTitleView != null 626 && mSwitchingDialog.isShowing()) { 627 mSwitchingDialogTitleView.findViewById( 628 com.android.internal.R.id.hard_keyboard_section).setVisibility( 629 available ? View.VISIBLE : View.GONE); 630 } 631 } 632 } 633 } 634 635 public InputMethodManagerService(Context context, WindowManagerService windowManager) { 636 mIPackageManager = AppGlobals.getPackageManager(); 637 mContext = context; 638 mRes = context.getResources(); 639 mHandler = new Handler(this); 640 mIWindowManager = IWindowManager.Stub.asInterface( 641 ServiceManager.getService(Context.WINDOW_SERVICE)); 642 mCaller = new HandlerCaller(context, null, new HandlerCaller.Callback() { 643 @Override 644 public void executeMessage(Message msg) { 645 handleMessage(msg); 646 } 647 }, true /*asyncHandler*/); 648 mWindowManagerService = windowManager; 649 mAppOpsManager = (AppOpsManager) mContext.getSystemService(Context.APP_OPS_SERVICE); 650 mHardKeyboardListener = new HardKeyboardListener(); 651 mHasFeature = context.getPackageManager().hasSystemFeature( 652 PackageManager.FEATURE_INPUT_METHODS); 653 654 mImeSwitcherNotification = new Notification(); 655 mImeSwitcherNotification.icon = com.android.internal.R.drawable.ic_notification_ime_default; 656 mImeSwitcherNotification.when = 0; 657 mImeSwitcherNotification.flags = Notification.FLAG_ONGOING_EVENT; 658 mImeSwitcherNotification.tickerText = null; 659 mImeSwitcherNotification.defaults = 0; // please be quiet 660 mImeSwitcherNotification.sound = null; 661 mImeSwitcherNotification.vibrate = null; 662 663 // Tag this notification specially so SystemUI knows it's important 664 mImeSwitcherNotification.extras.putBoolean(Notification.EXTRA_ALLOW_DURING_SETUP, true); 665 mImeSwitcherNotification.category = Notification.CATEGORY_SYSTEM; 666 667 Intent intent = new Intent(Settings.ACTION_SHOW_INPUT_METHOD_PICKER); 668 mImeSwitchPendingIntent = PendingIntent.getBroadcast(mContext, 0, intent, 0); 669 670 mShowOngoingImeSwitcherForPhones = false; 671 672 final IntentFilter broadcastFilter = new IntentFilter(); 673 broadcastFilter.addAction(Intent.ACTION_SCREEN_ON); 674 broadcastFilter.addAction(Intent.ACTION_SCREEN_OFF); 675 broadcastFilter.addAction(Intent.ACTION_CLOSE_SYSTEM_DIALOGS); 676 broadcastFilter.addAction(Intent.ACTION_USER_ADDED); 677 broadcastFilter.addAction(Intent.ACTION_USER_REMOVED); 678 mContext.registerReceiver(new ImmsBroadcastReceiver(), broadcastFilter); 679 680 mNotificationShown = false; 681 int userId = 0; 682 try { 683 ActivityManagerNative.getDefault().registerUserSwitchObserver( 684 new IUserSwitchObserver.Stub() { 685 @Override 686 public void onUserSwitching(int newUserId, IRemoteCallback reply) { 687 synchronized(mMethodMap) { 688 switchUserLocked(newUserId); 689 } 690 if (reply != null) { 691 try { 692 reply.sendResult(null); 693 } catch (RemoteException e) { 694 } 695 } 696 } 697 698 @Override 699 public void onUserSwitchComplete(int newUserId) throws RemoteException { 700 } 701 }); 702 userId = ActivityManagerNative.getDefault().getCurrentUser().id; 703 } catch (RemoteException e) { 704 Slog.w(TAG, "Couldn't get current user ID; guessing it's 0", e); 705 } 706 mMyPackageMonitor.register(mContext, null, UserHandle.ALL, true); 707 708 // mSettings should be created before buildInputMethodListLocked 709 mSettings = new InputMethodSettings( 710 mRes, context.getContentResolver(), mMethodMap, mMethodList, userId); 711 updateCurrentProfileIds(); 712 mFileManager = new InputMethodFileManager(mMethodMap, userId); 713 synchronized (mMethodMap) { 714 mSwitchingController = InputMethodSubtypeSwitchingController.createInstanceLocked( 715 mSettings, context); 716 } 717 718 // Just checking if defaultImiId is empty or not 719 final String defaultImiId = mSettings.getSelectedInputMethod(); 720 if (DEBUG) { 721 Slog.d(TAG, "Initial default ime = " + defaultImiId); 722 } 723 mImeSelectedOnBoot = !TextUtils.isEmpty(defaultImiId); 724 725 synchronized (mMethodMap) { 726 buildInputMethodListLocked(mMethodList, mMethodMap, 727 !mImeSelectedOnBoot /* resetDefaultEnabledIme */); 728 } 729 mSettings.enableAllIMEsIfThereIsNoEnabledIME(); 730 731 if (!mImeSelectedOnBoot) { 732 Slog.w(TAG, "No IME selected. Choose the most applicable IME."); 733 synchronized (mMethodMap) { 734 resetDefaultImeLocked(context); 735 } 736 } 737 738 mSettingsObserver = new SettingsObserver(mHandler); 739 synchronized (mMethodMap) { 740 updateFromSettingsLocked(true); 741 } 742 743 // IMMS wants to receive Intent.ACTION_LOCALE_CHANGED in order to update the current IME 744 // according to the new system locale. 745 final IntentFilter filter = new IntentFilter(); 746 filter.addAction(Intent.ACTION_LOCALE_CHANGED); 747 mContext.registerReceiver( 748 new BroadcastReceiver() { 749 @Override 750 public void onReceive(Context context, Intent intent) { 751 synchronized(mMethodMap) { 752 resetStateIfCurrentLocaleChangedLocked(); 753 } 754 } 755 }, filter); 756 } 757 758 private void resetDefaultImeLocked(Context context) { 759 // Do not reset the default (current) IME when it is a 3rd-party IME 760 if (mCurMethodId != null 761 && !InputMethodUtils.isSystemIme(mMethodMap.get(mCurMethodId))) { 762 return; 763 } 764 765 InputMethodInfo defIm = null; 766 for (InputMethodInfo imi : mMethodList) { 767 if (defIm == null && mSystemReady) { 768 final Locale systemLocale = context.getResources().getConfiguration().locale; 769 if (InputMethodUtils.isSystemImeThatHasSubtypeOf(imi, context, 770 true /* checkDefaultAttribute */, systemLocale, false /* checkCountry */, 771 InputMethodUtils.SUBTYPE_MODE_ANY)) { 772 defIm = imi; 773 Slog.i(TAG, "Selected default: " + imi.getId()); 774 } 775 } 776 } 777 if (defIm == null && mMethodList.size() > 0) { 778 defIm = InputMethodUtils.getMostApplicableDefaultIME( 779 mSettings.getEnabledInputMethodListLocked()); 780 if (defIm != null) { 781 Slog.i(TAG, "Default found, using " + defIm.getId()); 782 } else { 783 Slog.i(TAG, "No default found"); 784 } 785 } 786 if (defIm != null) { 787 setSelectedInputMethodAndSubtypeLocked(defIm, NOT_A_SUBTYPE_ID, false); 788 } 789 } 790 791 private void resetAllInternalStateLocked(final boolean updateOnlyWhenLocaleChanged, 792 final boolean resetDefaultEnabledIme) { 793 if (!mSystemReady) { 794 // not system ready 795 return; 796 } 797 final Locale newLocale = mRes.getConfiguration().locale; 798 if (!updateOnlyWhenLocaleChanged 799 || (newLocale != null && !newLocale.equals(mLastSystemLocale))) { 800 if (!updateOnlyWhenLocaleChanged) { 801 hideCurrentInputLocked(0, null); 802 mCurMethodId = null; 803 unbindCurrentMethodLocked(true, false); 804 } 805 if (DEBUG) { 806 Slog.i(TAG, "Locale has been changed to " + newLocale); 807 } 808 buildInputMethodListLocked(mMethodList, mMethodMap, resetDefaultEnabledIme); 809 if (!updateOnlyWhenLocaleChanged) { 810 final String selectedImiId = mSettings.getSelectedInputMethod(); 811 if (TextUtils.isEmpty(selectedImiId)) { 812 // This is the first time of the user switch and 813 // set the current ime to the proper one. 814 resetDefaultImeLocked(mContext); 815 } 816 } else { 817 // If the locale is changed, needs to reset the default ime 818 resetDefaultImeLocked(mContext); 819 } 820 updateFromSettingsLocked(true); 821 mLastSystemLocale = newLocale; 822 if (!updateOnlyWhenLocaleChanged) { 823 try { 824 startInputInnerLocked(); 825 } catch (RuntimeException e) { 826 Slog.w(TAG, "Unexpected exception", e); 827 } 828 } 829 } 830 } 831 832 private void resetStateIfCurrentLocaleChangedLocked() { 833 resetAllInternalStateLocked(true /* updateOnlyWhenLocaleChanged */, 834 true /* resetDefaultImeLocked */); 835 } 836 837 private void switchUserLocked(int newUserId) { 838 mSettings.setCurrentUserId(newUserId); 839 updateCurrentProfileIds(); 840 // InputMethodFileManager should be reset when the user is changed 841 mFileManager = new InputMethodFileManager(mMethodMap, newUserId); 842 final String defaultImiId = mSettings.getSelectedInputMethod(); 843 // For secondary users, the list of enabled IMEs may not have been updated since the 844 // callbacks to PackageMonitor are ignored for the secondary user. Here, defaultImiId may 845 // not be empty even if the IME has been uninstalled by the primary user. 846 // Even in such cases, IMMS works fine because it will find the most applicable 847 // IME for that user. 848 final boolean initialUserSwitch = TextUtils.isEmpty(defaultImiId); 849 if (DEBUG) { 850 Slog.d(TAG, "Switch user: " + newUserId + " current ime = " + defaultImiId); 851 } 852 resetAllInternalStateLocked(false /* updateOnlyWhenLocaleChanged */, 853 initialUserSwitch /* needsToResetDefaultIme */); 854 if (initialUserSwitch) { 855 InputMethodUtils.setNonSelectedSystemImesDisabledUntilUsed(mContext.getPackageManager(), 856 mSettings.getEnabledInputMethodListLocked()); 857 } 858 } 859 860 void updateCurrentProfileIds() { 861 List<UserInfo> profiles = 862 UserManager.get(mContext).getProfiles(mSettings.getCurrentUserId()); 863 int[] currentProfileIds = new int[profiles.size()]; // profiles will not be null 864 for (int i = 0; i < currentProfileIds.length; i++) { 865 currentProfileIds[i] = profiles.get(i).id; 866 } 867 mSettings.setCurrentProfileIds(currentProfileIds); 868 } 869 870 @Override 871 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 872 throws RemoteException { 873 try { 874 return super.onTransact(code, data, reply, flags); 875 } catch (RuntimeException e) { 876 // The input method manager only throws security exceptions, so let's 877 // log all others. 878 if (!(e instanceof SecurityException)) { 879 Slog.wtf(TAG, "Input Method Manager Crash", e); 880 } 881 throw e; 882 } 883 } 884 885 public void systemRunning(StatusBarManagerService statusBar) { 886 synchronized (mMethodMap) { 887 if (DEBUG) { 888 Slog.d(TAG, "--- systemReady"); 889 } 890 if (!mSystemReady) { 891 mSystemReady = true; 892 mKeyguardManager = 893 (KeyguardManager) mContext.getSystemService(Context.KEYGUARD_SERVICE); 894 mNotificationManager = (NotificationManager) 895 mContext.getSystemService(Context.NOTIFICATION_SERVICE); 896 mStatusBar = statusBar; 897 statusBar.setIconVisibility("ime", false); 898 updateImeWindowStatusLocked(); 899 mShowOngoingImeSwitcherForPhones = mRes.getBoolean( 900 com.android.internal.R.bool.show_ongoing_ime_switcher); 901 if (mShowOngoingImeSwitcherForPhones) { 902 mWindowManagerService.setOnHardKeyboardStatusChangeListener( 903 mHardKeyboardListener); 904 } 905 buildInputMethodListLocked(mMethodList, mMethodMap, 906 !mImeSelectedOnBoot /* resetDefaultEnabledIme */); 907 if (!mImeSelectedOnBoot) { 908 Slog.w(TAG, "Reset the default IME as \"Resource\" is ready here."); 909 resetStateIfCurrentLocaleChangedLocked(); 910 InputMethodUtils.setNonSelectedSystemImesDisabledUntilUsed( 911 mContext.getPackageManager(), 912 mSettings.getEnabledInputMethodListLocked()); 913 } 914 mLastSystemLocale = mRes.getConfiguration().locale; 915 try { 916 startInputInnerLocked(); 917 } catch (RuntimeException e) { 918 Slog.w(TAG, "Unexpected exception", e); 919 } 920 } 921 } 922 } 923 924 private void setImeWindowVisibilityStatusHiddenLocked() { 925 mImeWindowVis = 0; 926 updateImeWindowStatusLocked(); 927 } 928 929 private void refreshImeWindowVisibilityLocked() { 930 final Configuration conf = mRes.getConfiguration(); 931 final boolean haveHardKeyboard = conf.keyboard 932 != Configuration.KEYBOARD_NOKEYS; 933 final boolean hardKeyShown = haveHardKeyboard 934 && conf.hardKeyboardHidden 935 != Configuration.HARDKEYBOARDHIDDEN_YES; 936 937 final boolean isScreenLocked = isKeyguardLocked(); 938 final boolean inputActive = !isScreenLocked && (mInputShown || hardKeyShown); 939 // We assume the softkeyboard is shown when the input is active as long as the 940 // hard keyboard is not shown. 941 final boolean inputVisible = inputActive && !hardKeyShown; 942 mImeWindowVis = (inputActive ? InputMethodService.IME_ACTIVE : 0) 943 | (inputVisible ? InputMethodService.IME_VISIBLE : 0); 944 updateImeWindowStatusLocked(); 945 } 946 947 private void updateImeWindowStatusLocked() { 948 setImeWindowStatus(mCurToken, mImeWindowVis, mBackDisposition); 949 } 950 951 // --------------------------------------------------------------------------------------- 952 // Check whether or not this is a valid IPC. Assumes an IPC is valid when either 953 // 1) it comes from the system process 954 // 2) the calling process' user id is identical to the current user id IMMS thinks. 955 private boolean calledFromValidUser() { 956 final int uid = Binder.getCallingUid(); 957 final int userId = UserHandle.getUserId(uid); 958 if (DEBUG) { 959 Slog.d(TAG, "--- calledFromForegroundUserOrSystemProcess ? " 960 + "calling uid = " + uid + " system uid = " + Process.SYSTEM_UID 961 + " calling userId = " + userId + ", foreground user id = " 962 + mSettings.getCurrentUserId() + ", calling pid = " + Binder.getCallingPid() 963 + InputMethodUtils.getApiCallStack()); 964 } 965 if (uid == Process.SYSTEM_UID || mSettings.isCurrentProfile(userId)) { 966 return true; 967 } 968 969 // Caveat: A process which has INTERACT_ACROSS_USERS_FULL gets results for the 970 // foreground user, not for the user of that process. Accordingly InputMethodManagerService 971 // must not manage background users' states in any functions. 972 // Note that privacy-sensitive IPCs, such as setInputMethod, are still securely guarded 973 // by a token. 974 if (mContext.checkCallingOrSelfPermission( 975 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL) 976 == PackageManager.PERMISSION_GRANTED) { 977 if (DEBUG) { 978 Slog.d(TAG, "--- Access granted because the calling process has " 979 + "the INTERACT_ACROSS_USERS_FULL permission"); 980 } 981 return true; 982 } 983 Slog.w(TAG, "--- IPC called from background users. Ignore. \n" 984 + InputMethodUtils.getStackTrace()); 985 return false; 986 } 987 988 989 /** 990 * Returns true iff the caller is identified to be the current input method with the token. 991 * @param token The window token given to the input method when it was started. 992 * @return true if and only if non-null valid token is specified. 993 */ 994 private boolean calledWithValidToken(IBinder token) { 995 if (token == null || mCurToken != token) { 996 return false; 997 } 998 return true; 999 } 1000 1001 private boolean bindCurrentInputMethodService( 1002 Intent service, ServiceConnection conn, int flags) { 1003 if (service == null || conn == null) { 1004 Slog.e(TAG, "--- bind failed: service = " + service + ", conn = " + conn); 1005 return false; 1006 } 1007 return mContext.bindServiceAsUser(service, conn, flags, 1008 new UserHandle(mSettings.getCurrentUserId())); 1009 } 1010 1011 @Override 1012 public List<InputMethodInfo> getInputMethodList() { 1013 // TODO: Make this work even for non-current users? 1014 if (!calledFromValidUser()) { 1015 return Collections.emptyList(); 1016 } 1017 synchronized (mMethodMap) { 1018 return new ArrayList<InputMethodInfo>(mMethodList); 1019 } 1020 } 1021 1022 @Override 1023 public List<InputMethodInfo> getEnabledInputMethodList() { 1024 // TODO: Make this work even for non-current users? 1025 if (!calledFromValidUser()) { 1026 return Collections.emptyList(); 1027 } 1028 synchronized (mMethodMap) { 1029 return mSettings.getEnabledInputMethodListLocked(); 1030 } 1031 } 1032 1033 /** 1034 * @param imiId if null, returns enabled subtypes for the current imi 1035 * @return enabled subtypes of the specified imi 1036 */ 1037 @Override 1038 public List<InputMethodSubtype> getEnabledInputMethodSubtypeList(String imiId, 1039 boolean allowsImplicitlySelectedSubtypes) { 1040 // TODO: Make this work even for non-current users? 1041 if (!calledFromValidUser()) { 1042 return Collections.<InputMethodSubtype>emptyList(); 1043 } 1044 synchronized (mMethodMap) { 1045 final InputMethodInfo imi; 1046 if (imiId == null && mCurMethodId != null) { 1047 imi = mMethodMap.get(mCurMethodId); 1048 } else { 1049 imi = mMethodMap.get(imiId); 1050 } 1051 if (imi == null) { 1052 return Collections.<InputMethodSubtype>emptyList(); 1053 } 1054 return mSettings.getEnabledInputMethodSubtypeListLocked( 1055 mContext, imi, allowsImplicitlySelectedSubtypes); 1056 } 1057 } 1058 1059 @Override 1060 public void addClient(IInputMethodClient client, 1061 IInputContext inputContext, int uid, int pid) { 1062 if (!calledFromValidUser()) { 1063 return; 1064 } 1065 synchronized (mMethodMap) { 1066 mClients.put(client.asBinder(), new ClientState(client, 1067 inputContext, uid, pid)); 1068 } 1069 } 1070 1071 @Override 1072 public void removeClient(IInputMethodClient client) { 1073 if (!calledFromValidUser()) { 1074 return; 1075 } 1076 synchronized (mMethodMap) { 1077 ClientState cs = mClients.remove(client.asBinder()); 1078 if (cs != null) { 1079 clearClientSessionLocked(cs); 1080 } 1081 } 1082 } 1083 1084 void executeOrSendMessage(IInterface target, Message msg) { 1085 if (target.asBinder() instanceof Binder) { 1086 mCaller.sendMessage(msg); 1087 } else { 1088 handleMessage(msg); 1089 msg.recycle(); 1090 } 1091 } 1092 1093 void unbindCurrentClientLocked() { 1094 if (mCurClient != null) { 1095 if (DEBUG) Slog.v(TAG, "unbindCurrentInputLocked: client = " 1096 + mCurClient.client.asBinder()); 1097 if (mBoundToMethod) { 1098 mBoundToMethod = false; 1099 if (mCurMethod != null) { 1100 executeOrSendMessage(mCurMethod, mCaller.obtainMessageO( 1101 MSG_UNBIND_INPUT, mCurMethod)); 1102 } 1103 } 1104 1105 executeOrSendMessage(mCurClient.client, mCaller.obtainMessageIO( 1106 MSG_SET_ACTIVE, 0, mCurClient)); 1107 executeOrSendMessage(mCurClient.client, mCaller.obtainMessageIO( 1108 MSG_UNBIND_METHOD, mCurSeq, mCurClient.client)); 1109 mCurClient.sessionRequested = false; 1110 mCurClient = null; 1111 1112 hideInputMethodMenuLocked(); 1113 } 1114 } 1115 1116 private int getImeShowFlags() { 1117 int flags = 0; 1118 if (mShowForced) { 1119 flags |= InputMethod.SHOW_FORCED 1120 | InputMethod.SHOW_EXPLICIT; 1121 } else if (mShowExplicitlyRequested) { 1122 flags |= InputMethod.SHOW_EXPLICIT; 1123 } 1124 return flags; 1125 } 1126 1127 private int getAppShowFlags() { 1128 int flags = 0; 1129 if (mShowForced) { 1130 flags |= InputMethodManager.SHOW_FORCED; 1131 } else if (!mShowExplicitlyRequested) { 1132 flags |= InputMethodManager.SHOW_IMPLICIT; 1133 } 1134 return flags; 1135 } 1136 1137 InputBindResult attachNewInputLocked(boolean initial) { 1138 if (!mBoundToMethod) { 1139 executeOrSendMessage(mCurMethod, mCaller.obtainMessageOO( 1140 MSG_BIND_INPUT, mCurMethod, mCurClient.binding)); 1141 mBoundToMethod = true; 1142 } 1143 final SessionState session = mCurClient.curSession; 1144 if (initial) { 1145 executeOrSendMessage(session.method, mCaller.obtainMessageOOO( 1146 MSG_START_INPUT, session, mCurInputContext, mCurAttribute)); 1147 } else { 1148 executeOrSendMessage(session.method, mCaller.obtainMessageOOO( 1149 MSG_RESTART_INPUT, session, mCurInputContext, mCurAttribute)); 1150 } 1151 if (mShowRequested) { 1152 if (DEBUG) Slog.v(TAG, "Attach new input asks to show input"); 1153 showCurrentInputLocked(getAppShowFlags(), null); 1154 } 1155 return new InputBindResult(session.session, 1156 (session.channel != null ? session.channel.dup() : null), 1157 mCurId, mCurSeq, mCurUserActionNotificationSequenceNumber); 1158 } 1159 1160 InputBindResult startInputLocked(IInputMethodClient client, 1161 IInputContext inputContext, EditorInfo attribute, int controlFlags) { 1162 // If no method is currently selected, do nothing. 1163 if (mCurMethodId == null) { 1164 return mNoBinding; 1165 } 1166 1167 ClientState cs = mClients.get(client.asBinder()); 1168 if (cs == null) { 1169 throw new IllegalArgumentException("unknown client " 1170 + client.asBinder()); 1171 } 1172 1173 try { 1174 if (!mIWindowManager.inputMethodClientHasFocus(cs.client)) { 1175 // Check with the window manager to make sure this client actually 1176 // has a window with focus. If not, reject. This is thread safe 1177 // because if the focus changes some time before or after, the 1178 // next client receiving focus that has any interest in input will 1179 // be calling through here after that change happens. 1180 Slog.w(TAG, "Starting input on non-focused client " + cs.client 1181 + " (uid=" + cs.uid + " pid=" + cs.pid + ")"); 1182 return null; 1183 } 1184 } catch (RemoteException e) { 1185 } 1186 1187 return startInputUncheckedLocked(cs, inputContext, attribute, controlFlags); 1188 } 1189 1190 InputBindResult startInputUncheckedLocked(ClientState cs, 1191 IInputContext inputContext, EditorInfo attribute, int controlFlags) { 1192 // If no method is currently selected, do nothing. 1193 if (mCurMethodId == null) { 1194 return mNoBinding; 1195 } 1196 1197 if (mCurClient != cs) { 1198 // Was the keyguard locked when switching over to the new client? 1199 mCurClientInKeyguard = isKeyguardLocked(); 1200 // If the client is changing, we need to switch over to the new 1201 // one. 1202 unbindCurrentClientLocked(); 1203 if (DEBUG) Slog.v(TAG, "switching to client: client = " 1204 + cs.client.asBinder() + " keyguard=" + mCurClientInKeyguard); 1205 1206 // If the screen is on, inform the new client it is active 1207 if (mScreenOn) { 1208 executeOrSendMessage(cs.client, mCaller.obtainMessageIO( 1209 MSG_SET_ACTIVE, mScreenOn ? 1 : 0, cs)); 1210 } 1211 } 1212 1213 // Bump up the sequence for this client and attach it. 1214 mCurSeq++; 1215 if (mCurSeq <= 0) mCurSeq = 1; 1216 mCurClient = cs; 1217 mCurInputContext = inputContext; 1218 mCurAttribute = attribute; 1219 1220 // Check if the input method is changing. 1221 if (mCurId != null && mCurId.equals(mCurMethodId)) { 1222 if (cs.curSession != null) { 1223 // Fast case: if we are already connected to the input method, 1224 // then just return it. 1225 return attachNewInputLocked( 1226 (controlFlags&InputMethodManager.CONTROL_START_INITIAL) != 0); 1227 } 1228 if (mHaveConnection) { 1229 if (mCurMethod != null) { 1230 // Return to client, and we will get back with it when 1231 // we have had a session made for it. 1232 requestClientSessionLocked(cs); 1233 return new InputBindResult(null, null, mCurId, mCurSeq, 1234 mCurUserActionNotificationSequenceNumber); 1235 } else if (SystemClock.uptimeMillis() 1236 < (mLastBindTime+TIME_TO_RECONNECT)) { 1237 // In this case we have connected to the service, but 1238 // don't yet have its interface. If it hasn't been too 1239 // long since we did the connection, we'll return to 1240 // the client and wait to get the service interface so 1241 // we can report back. If it has been too long, we want 1242 // to fall through so we can try a disconnect/reconnect 1243 // to see if we can get back in touch with the service. 1244 return new InputBindResult(null, null, mCurId, mCurSeq, 1245 mCurUserActionNotificationSequenceNumber); 1246 } else { 1247 EventLog.writeEvent(EventLogTags.IMF_FORCE_RECONNECT_IME, 1248 mCurMethodId, SystemClock.uptimeMillis()-mLastBindTime, 0); 1249 } 1250 } 1251 } 1252 1253 return startInputInnerLocked(); 1254 } 1255 1256 InputBindResult startInputInnerLocked() { 1257 if (mCurMethodId == null) { 1258 return mNoBinding; 1259 } 1260 1261 if (!mSystemReady) { 1262 // If the system is not yet ready, we shouldn't be running third 1263 // party code. 1264 return new InputBindResult(null, null, mCurMethodId, mCurSeq, 1265 mCurUserActionNotificationSequenceNumber); 1266 } 1267 1268 InputMethodInfo info = mMethodMap.get(mCurMethodId); 1269 if (info == null) { 1270 throw new IllegalArgumentException("Unknown id: " + mCurMethodId); 1271 } 1272 1273 unbindCurrentMethodLocked(false, true); 1274 1275 mCurIntent = new Intent(InputMethod.SERVICE_INTERFACE); 1276 mCurIntent.setComponent(info.getComponent()); 1277 mCurIntent.putExtra(Intent.EXTRA_CLIENT_LABEL, 1278 com.android.internal.R.string.input_method_binding_label); 1279 mCurIntent.putExtra(Intent.EXTRA_CLIENT_INTENT, PendingIntent.getActivity( 1280 mContext, 0, new Intent(Settings.ACTION_INPUT_METHOD_SETTINGS), 0)); 1281 if (bindCurrentInputMethodService(mCurIntent, this, Context.BIND_AUTO_CREATE 1282 | Context.BIND_NOT_VISIBLE | Context.BIND_NOT_FOREGROUND 1283 | Context.BIND_SHOWING_UI)) { 1284 mLastBindTime = SystemClock.uptimeMillis(); 1285 mHaveConnection = true; 1286 mCurId = info.getId(); 1287 mCurToken = new Binder(); 1288 try { 1289 if (true || DEBUG) Slog.v(TAG, "Adding window token: " + mCurToken); 1290 mIWindowManager.addWindowToken(mCurToken, 1291 WindowManager.LayoutParams.TYPE_INPUT_METHOD); 1292 } catch (RemoteException e) { 1293 } 1294 return new InputBindResult(null, null, mCurId, mCurSeq, 1295 mCurUserActionNotificationSequenceNumber); 1296 } else { 1297 mCurIntent = null; 1298 Slog.w(TAG, "Failure connecting to input method service: " 1299 + mCurIntent); 1300 } 1301 return null; 1302 } 1303 1304 @Override 1305 public InputBindResult startInput(IInputMethodClient client, 1306 IInputContext inputContext, EditorInfo attribute, int controlFlags) { 1307 if (!calledFromValidUser()) { 1308 return null; 1309 } 1310 synchronized (mMethodMap) { 1311 final long ident = Binder.clearCallingIdentity(); 1312 try { 1313 return startInputLocked(client, inputContext, attribute, controlFlags); 1314 } finally { 1315 Binder.restoreCallingIdentity(ident); 1316 } 1317 } 1318 } 1319 1320 @Override 1321 public void finishInput(IInputMethodClient client) { 1322 } 1323 1324 @Override 1325 public void onServiceConnected(ComponentName name, IBinder service) { 1326 synchronized (mMethodMap) { 1327 if (mCurIntent != null && name.equals(mCurIntent.getComponent())) { 1328 mCurMethod = IInputMethod.Stub.asInterface(service); 1329 if (mCurToken == null) { 1330 Slog.w(TAG, "Service connected without a token!"); 1331 unbindCurrentMethodLocked(false, false); 1332 return; 1333 } 1334 if (DEBUG) Slog.v(TAG, "Initiating attach with token: " + mCurToken); 1335 executeOrSendMessage(mCurMethod, mCaller.obtainMessageOO( 1336 MSG_ATTACH_TOKEN, mCurMethod, mCurToken)); 1337 if (mCurClient != null) { 1338 clearClientSessionLocked(mCurClient); 1339 requestClientSessionLocked(mCurClient); 1340 } 1341 } 1342 } 1343 } 1344 1345 void onSessionCreated(IInputMethod method, IInputMethodSession session, 1346 InputChannel channel) { 1347 synchronized (mMethodMap) { 1348 if (mCurMethod != null && method != null 1349 && mCurMethod.asBinder() == method.asBinder()) { 1350 if (mCurClient != null) { 1351 clearClientSessionLocked(mCurClient); 1352 mCurClient.curSession = new SessionState(mCurClient, 1353 method, session, channel); 1354 InputBindResult res = attachNewInputLocked(true); 1355 if (res.method != null) { 1356 executeOrSendMessage(mCurClient.client, mCaller.obtainMessageOO( 1357 MSG_BIND_METHOD, mCurClient.client, res)); 1358 } 1359 return; 1360 } 1361 } 1362 } 1363 1364 // Session abandoned. Close its associated input channel. 1365 channel.dispose(); 1366 } 1367 1368 void unbindCurrentMethodLocked(boolean reportToClient, boolean savePosition) { 1369 if (mVisibleBound) { 1370 mContext.unbindService(mVisibleConnection); 1371 mVisibleBound = false; 1372 } 1373 1374 if (mHaveConnection) { 1375 mContext.unbindService(this); 1376 mHaveConnection = false; 1377 } 1378 1379 if (mCurToken != null) { 1380 try { 1381 if (DEBUG) Slog.v(TAG, "Removing window token: " + mCurToken); 1382 if ((mImeWindowVis & InputMethodService.IME_ACTIVE) != 0 && savePosition) { 1383 // The current IME is shown. Hence an IME switch (transition) is happening. 1384 mWindowManagerService.saveLastInputMethodWindowForTransition(); 1385 } 1386 mIWindowManager.removeWindowToken(mCurToken); 1387 } catch (RemoteException e) { 1388 } 1389 mCurToken = null; 1390 } 1391 1392 mCurId = null; 1393 clearCurMethodLocked(); 1394 1395 if (reportToClient && mCurClient != null) { 1396 executeOrSendMessage(mCurClient.client, mCaller.obtainMessageIO( 1397 MSG_UNBIND_METHOD, mCurSeq, mCurClient.client)); 1398 } 1399 } 1400 1401 void requestClientSessionLocked(ClientState cs) { 1402 if (!cs.sessionRequested) { 1403 if (DEBUG) Slog.v(TAG, "Creating new session for client " + cs); 1404 InputChannel[] channels = InputChannel.openInputChannelPair(cs.toString()); 1405 cs.sessionRequested = true; 1406 executeOrSendMessage(mCurMethod, mCaller.obtainMessageOOO( 1407 MSG_CREATE_SESSION, mCurMethod, channels[1], 1408 new MethodCallback(this, mCurMethod, channels[0]))); 1409 } 1410 } 1411 1412 void clearClientSessionLocked(ClientState cs) { 1413 finishSessionLocked(cs.curSession); 1414 cs.curSession = null; 1415 cs.sessionRequested = false; 1416 } 1417 1418 private void finishSessionLocked(SessionState sessionState) { 1419 if (sessionState != null) { 1420 if (sessionState.session != null) { 1421 try { 1422 sessionState.session.finishSession(); 1423 } catch (RemoteException e) { 1424 Slog.w(TAG, "Session failed to close due to remote exception", e); 1425 setImeWindowVisibilityStatusHiddenLocked(); 1426 } 1427 sessionState.session = null; 1428 } 1429 if (sessionState.channel != null) { 1430 sessionState.channel.dispose(); 1431 sessionState.channel = null; 1432 } 1433 } 1434 } 1435 1436 void clearCurMethodLocked() { 1437 if (mCurMethod != null) { 1438 for (ClientState cs : mClients.values()) { 1439 clearClientSessionLocked(cs); 1440 } 1441 1442 finishSessionLocked(mEnabledSession); 1443 mEnabledSession = null; 1444 mCurMethod = null; 1445 } 1446 if (mStatusBar != null) { 1447 mStatusBar.setIconVisibility("ime", false); 1448 } 1449 } 1450 1451 @Override 1452 public void onServiceDisconnected(ComponentName name) { 1453 synchronized (mMethodMap) { 1454 if (DEBUG) Slog.v(TAG, "Service disconnected: " + name 1455 + " mCurIntent=" + mCurIntent); 1456 if (mCurMethod != null && mCurIntent != null 1457 && name.equals(mCurIntent.getComponent())) { 1458 clearCurMethodLocked(); 1459 // We consider this to be a new bind attempt, since the system 1460 // should now try to restart the service for us. 1461 mLastBindTime = SystemClock.uptimeMillis(); 1462 mShowRequested = mInputShown; 1463 mInputShown = false; 1464 if (mCurClient != null) { 1465 executeOrSendMessage(mCurClient.client, mCaller.obtainMessageIO( 1466 MSG_UNBIND_METHOD, mCurSeq, mCurClient.client)); 1467 } 1468 } 1469 } 1470 } 1471 1472 @Override 1473 public void updateStatusIcon(IBinder token, String packageName, int iconId) { 1474 long ident = Binder.clearCallingIdentity(); 1475 try { 1476 synchronized (mMethodMap) { 1477 if (!calledWithValidToken(token)) { 1478 final int uid = Binder.getCallingUid(); 1479 Slog.e(TAG, "Ignoring updateStatusIcon due to an invalid token. uid:" + uid 1480 + " token:" + token); 1481 return; 1482 } 1483 if (iconId == 0) { 1484 if (DEBUG) Slog.d(TAG, "hide the small icon for the input method"); 1485 if (mStatusBar != null) { 1486 mStatusBar.setIconVisibility("ime", false); 1487 } 1488 } else if (packageName != null) { 1489 if (DEBUG) Slog.d(TAG, "show a small icon for the input method"); 1490 CharSequence contentDescription = null; 1491 try { 1492 // Use PackageManager to load label 1493 final PackageManager packageManager = mContext.getPackageManager(); 1494 contentDescription = packageManager.getApplicationLabel( 1495 mIPackageManager.getApplicationInfo(packageName, 0, 1496 mSettings.getCurrentUserId())); 1497 } catch (RemoteException e) { 1498 /* ignore */ 1499 } 1500 if (mStatusBar != null) { 1501 mStatusBar.setIcon("ime", packageName, iconId, 0, 1502 contentDescription != null 1503 ? contentDescription.toString() : null); 1504 mStatusBar.setIconVisibility("ime", true); 1505 } 1506 } 1507 } 1508 } finally { 1509 Binder.restoreCallingIdentity(ident); 1510 } 1511 } 1512 1513 private boolean needsToShowImeSwitchOngoingNotification() { 1514 if (!mShowOngoingImeSwitcherForPhones) return false; 1515 if (mSwitchingDialog != null) return false; 1516 if (isScreenLocked()) return false; 1517 synchronized (mMethodMap) { 1518 List<InputMethodInfo> imis = mSettings.getEnabledInputMethodListLocked(); 1519 final int N = imis.size(); 1520 if (N > 2) return true; 1521 if (N < 1) return false; 1522 int nonAuxCount = 0; 1523 int auxCount = 0; 1524 InputMethodSubtype nonAuxSubtype = null; 1525 InputMethodSubtype auxSubtype = null; 1526 for(int i = 0; i < N; ++i) { 1527 final InputMethodInfo imi = imis.get(i); 1528 final List<InputMethodSubtype> subtypes = 1529 mSettings.getEnabledInputMethodSubtypeListLocked(mContext, imi, true); 1530 final int subtypeCount = subtypes.size(); 1531 if (subtypeCount == 0) { 1532 ++nonAuxCount; 1533 } else { 1534 for (int j = 0; j < subtypeCount; ++j) { 1535 final InputMethodSubtype subtype = subtypes.get(j); 1536 if (!subtype.isAuxiliary()) { 1537 ++nonAuxCount; 1538 nonAuxSubtype = subtype; 1539 } else { 1540 ++auxCount; 1541 auxSubtype = subtype; 1542 } 1543 } 1544 } 1545 } 1546 if (nonAuxCount > 1 || auxCount > 1) { 1547 return true; 1548 } else if (nonAuxCount == 1 && auxCount == 1) { 1549 if (nonAuxSubtype != null && auxSubtype != null 1550 && (nonAuxSubtype.getLocale().equals(auxSubtype.getLocale()) 1551 || auxSubtype.overridesImplicitlyEnabledSubtype() 1552 || nonAuxSubtype.overridesImplicitlyEnabledSubtype()) 1553 && nonAuxSubtype.containsExtraValueKey(TAG_TRY_SUPPRESSING_IME_SWITCHER)) { 1554 return false; 1555 } 1556 return true; 1557 } 1558 return false; 1559 } 1560 } 1561 1562 private boolean isKeyguardLocked() { 1563 return mKeyguardManager != null && mKeyguardManager.isKeyguardLocked(); 1564 } 1565 1566 // Caution! This method is called in this class. Handle multi-user carefully 1567 @SuppressWarnings("deprecation") 1568 @Override 1569 public void setImeWindowStatus(IBinder token, int vis, int backDisposition) { 1570 final long ident = Binder.clearCallingIdentity(); 1571 try { 1572 if (!calledWithValidToken(token)) { 1573 final int uid = Binder.getCallingUid(); 1574 Slog.e(TAG, "Ignoring setImeWindowStatus due to an invalid token. uid:" + uid 1575 + " token:" + token); 1576 return; 1577 } 1578 synchronized (mMethodMap) { 1579 // apply policy for binder calls 1580 if (vis != 0 && isKeyguardLocked() && !mCurClientInKeyguard) { 1581 vis = 0; 1582 } 1583 mImeWindowVis = vis; 1584 mBackDisposition = backDisposition; 1585 final boolean iconVisibility = ((vis & (InputMethodService.IME_ACTIVE)) != 0) 1586 && (mWindowManagerService.isHardKeyboardAvailable() 1587 || (vis & (InputMethodService.IME_VISIBLE)) != 0); 1588 final boolean needsToShowImeSwitcher = iconVisibility 1589 && needsToShowImeSwitchOngoingNotification(); 1590 if (mStatusBar != null) { 1591 mStatusBar.setImeWindowStatus(token, vis, backDisposition, 1592 needsToShowImeSwitcher); 1593 } 1594 final InputMethodInfo imi = mMethodMap.get(mCurMethodId); 1595 if (imi != null && needsToShowImeSwitcher) { 1596 // Used to load label 1597 final CharSequence title = mRes.getText( 1598 com.android.internal.R.string.select_input_method); 1599 final CharSequence summary = InputMethodUtils.getImeAndSubtypeDisplayName( 1600 mContext, imi, mCurrentSubtype); 1601 1602 mImeSwitcherNotification.color = mContext.getResources().getColor( 1603 com.android.internal.R.color.system_notification_accent_color); 1604 mImeSwitcherNotification.setLatestEventInfo( 1605 mContext, title, summary, mImeSwitchPendingIntent); 1606 if ((mNotificationManager != null) 1607 && !mWindowManagerService.hasNavigationBar()) { 1608 if (DEBUG) { 1609 Slog.d(TAG, "--- show notification: label = " + summary); 1610 } 1611 mNotificationManager.notifyAsUser(null, 1612 com.android.internal.R.string.select_input_method, 1613 mImeSwitcherNotification, UserHandle.ALL); 1614 mNotificationShown = true; 1615 } 1616 } else { 1617 if (mNotificationShown && mNotificationManager != null) { 1618 if (DEBUG) { 1619 Slog.d(TAG, "--- hide notification"); 1620 } 1621 mNotificationManager.cancelAsUser(null, 1622 com.android.internal.R.string.select_input_method, UserHandle.ALL); 1623 mNotificationShown = false; 1624 } 1625 } 1626 } 1627 } finally { 1628 Binder.restoreCallingIdentity(ident); 1629 } 1630 } 1631 1632 @Override 1633 public void registerSuggestionSpansForNotification(SuggestionSpan[] spans) { 1634 if (!calledFromValidUser()) { 1635 return; 1636 } 1637 synchronized (mMethodMap) { 1638 final InputMethodInfo currentImi = mMethodMap.get(mCurMethodId); 1639 for (int i = 0; i < spans.length; ++i) { 1640 SuggestionSpan ss = spans[i]; 1641 if (!TextUtils.isEmpty(ss.getNotificationTargetClassName())) { 1642 mSecureSuggestionSpans.put(ss, currentImi); 1643 } 1644 } 1645 } 1646 } 1647 1648 @Override 1649 public boolean notifySuggestionPicked(SuggestionSpan span, String originalString, int index) { 1650 if (!calledFromValidUser()) { 1651 return false; 1652 } 1653 synchronized (mMethodMap) { 1654 final InputMethodInfo targetImi = mSecureSuggestionSpans.get(span); 1655 // TODO: Do not send the intent if the process of the targetImi is already dead. 1656 if (targetImi != null) { 1657 final String[] suggestions = span.getSuggestions(); 1658 if (index < 0 || index >= suggestions.length) return false; 1659 final String className = span.getNotificationTargetClassName(); 1660 final Intent intent = new Intent(); 1661 // Ensures that only a class in the original IME package will receive the 1662 // notification. 1663 intent.setClassName(targetImi.getPackageName(), className); 1664 intent.setAction(SuggestionSpan.ACTION_SUGGESTION_PICKED); 1665 intent.putExtra(SuggestionSpan.SUGGESTION_SPAN_PICKED_BEFORE, originalString); 1666 intent.putExtra(SuggestionSpan.SUGGESTION_SPAN_PICKED_AFTER, suggestions[index]); 1667 intent.putExtra(SuggestionSpan.SUGGESTION_SPAN_PICKED_HASHCODE, span.hashCode()); 1668 final long ident = Binder.clearCallingIdentity(); 1669 try { 1670 mContext.sendBroadcastAsUser(intent, UserHandle.CURRENT); 1671 } finally { 1672 Binder.restoreCallingIdentity(ident); 1673 } 1674 return true; 1675 } 1676 } 1677 return false; 1678 } 1679 1680 void updateFromSettingsLocked(boolean enabledMayChange) { 1681 updateInputMethodsFromSettingsLocked(enabledMayChange); 1682 updateKeyboardFromSettingsLocked(); 1683 } 1684 1685 void updateInputMethodsFromSettingsLocked(boolean enabledMayChange) { 1686 if (enabledMayChange) { 1687 List<InputMethodInfo> enabled = mSettings.getEnabledInputMethodListLocked(); 1688 for (int i=0; i<enabled.size(); i++) { 1689 // We allow the user to select "disabled until used" apps, so if they 1690 // are enabling one of those here we now need to make it enabled. 1691 InputMethodInfo imm = enabled.get(i); 1692 try { 1693 ApplicationInfo ai = mIPackageManager.getApplicationInfo(imm.getPackageName(), 1694 PackageManager.GET_DISABLED_UNTIL_USED_COMPONENTS, 1695 mSettings.getCurrentUserId()); 1696 if (ai != null && ai.enabledSetting 1697 == PackageManager.COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED) { 1698 if (DEBUG) { 1699 Slog.d(TAG, "Update state(" + imm.getId() 1700 + "): DISABLED_UNTIL_USED -> DEFAULT"); 1701 } 1702 mIPackageManager.setApplicationEnabledSetting(imm.getPackageName(), 1703 PackageManager.COMPONENT_ENABLED_STATE_DEFAULT, 1704 PackageManager.DONT_KILL_APP, mSettings.getCurrentUserId(), 1705 mContext.getBasePackageName()); 1706 } 1707 } catch (RemoteException e) { 1708 } 1709 } 1710 } 1711 // We are assuming that whoever is changing DEFAULT_INPUT_METHOD and 1712 // ENABLED_INPUT_METHODS is taking care of keeping them correctly in 1713 // sync, so we will never have a DEFAULT_INPUT_METHOD that is not 1714 // enabled. 1715 String id = mSettings.getSelectedInputMethod(); 1716 // There is no input method selected, try to choose new applicable input method. 1717 if (TextUtils.isEmpty(id) && chooseNewDefaultIMELocked()) { 1718 id = mSettings.getSelectedInputMethod(); 1719 } 1720 if (!TextUtils.isEmpty(id)) { 1721 try { 1722 setInputMethodLocked(id, mSettings.getSelectedInputMethodSubtypeId(id)); 1723 } catch (IllegalArgumentException e) { 1724 Slog.w(TAG, "Unknown input method from prefs: " + id, e); 1725 mCurMethodId = null; 1726 unbindCurrentMethodLocked(true, false); 1727 } 1728 mShortcutInputMethodsAndSubtypes.clear(); 1729 } else { 1730 // There is no longer an input method set, so stop any current one. 1731 mCurMethodId = null; 1732 unbindCurrentMethodLocked(true, false); 1733 } 1734 // Here is not the perfect place to reset the switching controller. Ideally 1735 // mSwitchingController and mSettings should be able to share the same state. 1736 // TODO: Make sure that mSwitchingController and mSettings are sharing the 1737 // the same enabled IMEs list. 1738 mSwitchingController.resetCircularListLocked(mContext); 1739 1740 } 1741 1742 public void updateKeyboardFromSettingsLocked() { 1743 mShowImeWithHardKeyboard = mSettings.isShowImeWithHardKeyboardEnabled(); 1744 if (mSwitchingDialog != null 1745 && mSwitchingDialogTitleView != null 1746 && mSwitchingDialog.isShowing()) { 1747 final Switch hardKeySwitch = (Switch)mSwitchingDialogTitleView.findViewById( 1748 com.android.internal.R.id.hard_keyboard_switch); 1749 hardKeySwitch.setChecked(mShowImeWithHardKeyboard); 1750 } 1751 } 1752 1753 /* package */ void setInputMethodLocked(String id, int subtypeId) { 1754 InputMethodInfo info = mMethodMap.get(id); 1755 if (info == null) { 1756 throw new IllegalArgumentException("Unknown id: " + id); 1757 } 1758 1759 if (mCurClient != null && mCurAttribute != null) { 1760 final int uid = mCurClient.uid; 1761 final String packageName = mCurAttribute.packageName; 1762 if (SystemConfig.getInstance().getFixedImeApps().contains(packageName)) { 1763 if (InputMethodUtils.checkIfPackageBelongsToUid(mAppOpsManager, uid, packageName)) { 1764 return; 1765 } 1766 // TODO: Do we need to lock the input method when the application reported an 1767 // incorrect package name? 1768 Slog.e(TAG, "Ignoring FixedImeApps due to the validation failure. uid=" + uid 1769 + " package=" + packageName); 1770 } 1771 } 1772 1773 // See if we need to notify a subtype change within the same IME. 1774 if (id.equals(mCurMethodId)) { 1775 final int subtypeCount = info.getSubtypeCount(); 1776 if (subtypeCount <= 0) { 1777 return; 1778 } 1779 final InputMethodSubtype oldSubtype = mCurrentSubtype; 1780 final InputMethodSubtype newSubtype; 1781 if (subtypeId >= 0 && subtypeId < subtypeCount) { 1782 newSubtype = info.getSubtypeAt(subtypeId); 1783 } else { 1784 // If subtype is null, try to find the most applicable one from 1785 // getCurrentInputMethodSubtype. 1786 newSubtype = getCurrentInputMethodSubtypeLocked(); 1787 } 1788 if (newSubtype == null || oldSubtype == null) { 1789 Slog.w(TAG, "Illegal subtype state: old subtype = " + oldSubtype 1790 + ", new subtype = " + newSubtype); 1791 return; 1792 } 1793 if (newSubtype != oldSubtype) { 1794 setSelectedInputMethodAndSubtypeLocked(info, subtypeId, true); 1795 if (mCurMethod != null) { 1796 try { 1797 refreshImeWindowVisibilityLocked(); 1798 mCurMethod.changeInputMethodSubtype(newSubtype); 1799 } catch (RemoteException e) { 1800 Slog.w(TAG, "Failed to call changeInputMethodSubtype"); 1801 } 1802 } 1803 } 1804 return; 1805 } 1806 1807 // Changing to a different IME. 1808 final long ident = Binder.clearCallingIdentity(); 1809 try { 1810 // Set a subtype to this input method. 1811 // subtypeId the name of a subtype which will be set. 1812 setSelectedInputMethodAndSubtypeLocked(info, subtypeId, false); 1813 // mCurMethodId should be updated after setSelectedInputMethodAndSubtypeLocked() 1814 // because mCurMethodId is stored as a history in 1815 // setSelectedInputMethodAndSubtypeLocked(). 1816 mCurMethodId = id; 1817 1818 if (ActivityManagerNative.isSystemReady()) { 1819 Intent intent = new Intent(Intent.ACTION_INPUT_METHOD_CHANGED); 1820 intent.addFlags(Intent.FLAG_RECEIVER_REPLACE_PENDING); 1821 intent.putExtra("input_method_id", id); 1822 mContext.sendBroadcastAsUser(intent, UserHandle.CURRENT); 1823 } 1824 unbindCurrentClientLocked(); 1825 } finally { 1826 Binder.restoreCallingIdentity(ident); 1827 } 1828 } 1829 1830 @Override 1831 public boolean showSoftInput(IInputMethodClient client, int flags, 1832 ResultReceiver resultReceiver) { 1833 if (!calledFromValidUser()) { 1834 return false; 1835 } 1836 int uid = Binder.getCallingUid(); 1837 long ident = Binder.clearCallingIdentity(); 1838 try { 1839 synchronized (mMethodMap) { 1840 if (mCurClient == null || client == null 1841 || mCurClient.client.asBinder() != client.asBinder()) { 1842 try { 1843 // We need to check if this is the current client with 1844 // focus in the window manager, to allow this call to 1845 // be made before input is started in it. 1846 if (!mIWindowManager.inputMethodClientHasFocus(client)) { 1847 Slog.w(TAG, "Ignoring showSoftInput of uid " + uid + ": " + client); 1848 return false; 1849 } 1850 } catch (RemoteException e) { 1851 return false; 1852 } 1853 } 1854 1855 if (DEBUG) Slog.v(TAG, "Client requesting input be shown"); 1856 return showCurrentInputLocked(flags, resultReceiver); 1857 } 1858 } finally { 1859 Binder.restoreCallingIdentity(ident); 1860 } 1861 } 1862 1863 boolean showCurrentInputLocked(int flags, ResultReceiver resultReceiver) { 1864 mShowRequested = true; 1865 if ((flags&InputMethodManager.SHOW_IMPLICIT) == 0) { 1866 mShowExplicitlyRequested = true; 1867 } 1868 if ((flags&InputMethodManager.SHOW_FORCED) != 0) { 1869 mShowExplicitlyRequested = true; 1870 mShowForced = true; 1871 } 1872 1873 if (!mSystemReady) { 1874 return false; 1875 } 1876 1877 boolean res = false; 1878 if (mCurMethod != null) { 1879 if (DEBUG) Slog.d(TAG, "showCurrentInputLocked: mCurToken=" + mCurToken); 1880 executeOrSendMessage(mCurMethod, mCaller.obtainMessageIOO( 1881 MSG_SHOW_SOFT_INPUT, getImeShowFlags(), mCurMethod, 1882 resultReceiver)); 1883 mInputShown = true; 1884 if (mHaveConnection && !mVisibleBound) { 1885 bindCurrentInputMethodService( 1886 mCurIntent, mVisibleConnection, Context.BIND_AUTO_CREATE 1887 | Context.BIND_TREAT_LIKE_ACTIVITY); 1888 mVisibleBound = true; 1889 } 1890 res = true; 1891 } else if (mHaveConnection && SystemClock.uptimeMillis() 1892 >= (mLastBindTime+TIME_TO_RECONNECT)) { 1893 // The client has asked to have the input method shown, but 1894 // we have been sitting here too long with a connection to the 1895 // service and no interface received, so let's disconnect/connect 1896 // to try to prod things along. 1897 EventLog.writeEvent(EventLogTags.IMF_FORCE_RECONNECT_IME, mCurMethodId, 1898 SystemClock.uptimeMillis()-mLastBindTime,1); 1899 Slog.w(TAG, "Force disconnect/connect to the IME in showCurrentInputLocked()"); 1900 mContext.unbindService(this); 1901 bindCurrentInputMethodService(mCurIntent, this, Context.BIND_AUTO_CREATE 1902 | Context.BIND_NOT_VISIBLE); 1903 } else { 1904 if (DEBUG) { 1905 Slog.d(TAG, "Can't show input: connection = " + mHaveConnection + ", time = " 1906 + ((mLastBindTime+TIME_TO_RECONNECT) - SystemClock.uptimeMillis())); 1907 } 1908 } 1909 1910 return res; 1911 } 1912 1913 @Override 1914 public boolean hideSoftInput(IInputMethodClient client, int flags, 1915 ResultReceiver resultReceiver) { 1916 if (!calledFromValidUser()) { 1917 return false; 1918 } 1919 int uid = Binder.getCallingUid(); 1920 long ident = Binder.clearCallingIdentity(); 1921 try { 1922 synchronized (mMethodMap) { 1923 if (mCurClient == null || client == null 1924 || mCurClient.client.asBinder() != client.asBinder()) { 1925 try { 1926 // We need to check if this is the current client with 1927 // focus in the window manager, to allow this call to 1928 // be made before input is started in it. 1929 if (!mIWindowManager.inputMethodClientHasFocus(client)) { 1930 if (DEBUG) Slog.w(TAG, "Ignoring hideSoftInput of uid " 1931 + uid + ": " + client); 1932 setImeWindowVisibilityStatusHiddenLocked(); 1933 return false; 1934 } 1935 } catch (RemoteException e) { 1936 setImeWindowVisibilityStatusHiddenLocked(); 1937 return false; 1938 } 1939 } 1940 1941 if (DEBUG) Slog.v(TAG, "Client requesting input be hidden"); 1942 return hideCurrentInputLocked(flags, resultReceiver); 1943 } 1944 } finally { 1945 Binder.restoreCallingIdentity(ident); 1946 } 1947 } 1948 1949 boolean hideCurrentInputLocked(int flags, ResultReceiver resultReceiver) { 1950 if ((flags&InputMethodManager.HIDE_IMPLICIT_ONLY) != 0 1951 && (mShowExplicitlyRequested || mShowForced)) { 1952 if (DEBUG) Slog.v(TAG, "Not hiding: explicit show not cancelled by non-explicit hide"); 1953 return false; 1954 } 1955 if (mShowForced && (flags&InputMethodManager.HIDE_NOT_ALWAYS) != 0) { 1956 if (DEBUG) Slog.v(TAG, "Not hiding: forced show not cancelled by not-always hide"); 1957 return false; 1958 } 1959 boolean res; 1960 if (mInputShown && mCurMethod != null) { 1961 executeOrSendMessage(mCurMethod, mCaller.obtainMessageOO( 1962 MSG_HIDE_SOFT_INPUT, mCurMethod, resultReceiver)); 1963 res = true; 1964 } else { 1965 res = false; 1966 } 1967 if (mHaveConnection && mVisibleBound) { 1968 mContext.unbindService(mVisibleConnection); 1969 mVisibleBound = false; 1970 } 1971 mInputShown = false; 1972 mShowRequested = false; 1973 mShowExplicitlyRequested = false; 1974 mShowForced = false; 1975 return res; 1976 } 1977 1978 @Override 1979 public InputBindResult windowGainedFocus(IInputMethodClient client, IBinder windowToken, 1980 int controlFlags, int softInputMode, int windowFlags, 1981 EditorInfo attribute, IInputContext inputContext) { 1982 // Needs to check the validity before clearing calling identity 1983 final boolean calledFromValidUser = calledFromValidUser(); 1984 1985 InputBindResult res = null; 1986 long ident = Binder.clearCallingIdentity(); 1987 try { 1988 synchronized (mMethodMap) { 1989 if (DEBUG) Slog.v(TAG, "windowGainedFocus: " + client.asBinder() 1990 + " controlFlags=#" + Integer.toHexString(controlFlags) 1991 + " softInputMode=#" + Integer.toHexString(softInputMode) 1992 + " windowFlags=#" + Integer.toHexString(windowFlags)); 1993 1994 ClientState cs = mClients.get(client.asBinder()); 1995 if (cs == null) { 1996 throw new IllegalArgumentException("unknown client " 1997 + client.asBinder()); 1998 } 1999 2000 try { 2001 if (!mIWindowManager.inputMethodClientHasFocus(cs.client)) { 2002 // Check with the window manager to make sure this client actually 2003 // has a window with focus. If not, reject. This is thread safe 2004 // because if the focus changes some time before or after, the 2005 // next client receiving focus that has any interest in input will 2006 // be calling through here after that change happens. 2007 Slog.w(TAG, "Focus gain on non-focused client " + cs.client 2008 + " (uid=" + cs.uid + " pid=" + cs.pid + ")"); 2009 return null; 2010 } 2011 } catch (RemoteException e) { 2012 } 2013 2014 if (!calledFromValidUser) { 2015 Slog.w(TAG, "A background user is requesting window. Hiding IME."); 2016 Slog.w(TAG, "If you want to interect with IME, you need " 2017 + "android.permission.INTERACT_ACROSS_USERS_FULL"); 2018 hideCurrentInputLocked(0, null); 2019 return null; 2020 } 2021 2022 if (mCurFocusedWindow == windowToken) { 2023 Slog.w(TAG, "Window already focused, ignoring focus gain of: " + client 2024 + " attribute=" + attribute + ", token = " + windowToken); 2025 if (attribute != null) { 2026 return startInputUncheckedLocked(cs, inputContext, attribute, 2027 controlFlags); 2028 } 2029 return null; 2030 } 2031 mCurFocusedWindow = windowToken; 2032 2033 // Should we auto-show the IME even if the caller has not 2034 // specified what should be done with it? 2035 // We only do this automatically if the window can resize 2036 // to accommodate the IME (so what the user sees will give 2037 // them good context without input information being obscured 2038 // by the IME) or if running on a large screen where there 2039 // is more room for the target window + IME. 2040 final boolean doAutoShow = 2041 (softInputMode & WindowManager.LayoutParams.SOFT_INPUT_MASK_ADJUST) 2042 == WindowManager.LayoutParams.SOFT_INPUT_ADJUST_RESIZE 2043 || mRes.getConfiguration().isLayoutSizeAtLeast( 2044 Configuration.SCREENLAYOUT_SIZE_LARGE); 2045 final boolean isTextEditor = 2046 (controlFlags&InputMethodManager.CONTROL_WINDOW_IS_TEXT_EDITOR) != 0; 2047 2048 // We want to start input before showing the IME, but after closing 2049 // it. We want to do this after closing it to help the IME disappear 2050 // more quickly (not get stuck behind it initializing itself for the 2051 // new focused input, even if its window wants to hide the IME). 2052 boolean didStart = false; 2053 2054 switch (softInputMode&WindowManager.LayoutParams.SOFT_INPUT_MASK_STATE) { 2055 case WindowManager.LayoutParams.SOFT_INPUT_STATE_UNSPECIFIED: 2056 if (!isTextEditor || !doAutoShow) { 2057 if (WindowManager.LayoutParams.mayUseInputMethod(windowFlags)) { 2058 // There is no focus view, and this window will 2059 // be behind any soft input window, so hide the 2060 // soft input window if it is shown. 2061 if (DEBUG) Slog.v(TAG, "Unspecified window will hide input"); 2062 hideCurrentInputLocked(InputMethodManager.HIDE_NOT_ALWAYS, null); 2063 } 2064 } else if (isTextEditor && doAutoShow && (softInputMode & 2065 WindowManager.LayoutParams.SOFT_INPUT_IS_FORWARD_NAVIGATION) != 0) { 2066 // There is a focus view, and we are navigating forward 2067 // into the window, so show the input window for the user. 2068 // We only do this automatically if the window can resize 2069 // to accommodate the IME (so what the user sees will give 2070 // them good context without input information being obscured 2071 // by the IME) or if running on a large screen where there 2072 // is more room for the target window + IME. 2073 if (DEBUG) Slog.v(TAG, "Unspecified window will show input"); 2074 if (attribute != null) { 2075 res = startInputUncheckedLocked(cs, inputContext, attribute, 2076 controlFlags); 2077 didStart = true; 2078 } 2079 showCurrentInputLocked(InputMethodManager.SHOW_IMPLICIT, null); 2080 } 2081 break; 2082 case WindowManager.LayoutParams.SOFT_INPUT_STATE_UNCHANGED: 2083 // Do nothing. 2084 break; 2085 case WindowManager.LayoutParams.SOFT_INPUT_STATE_HIDDEN: 2086 if ((softInputMode & 2087 WindowManager.LayoutParams.SOFT_INPUT_IS_FORWARD_NAVIGATION) != 0) { 2088 if (DEBUG) Slog.v(TAG, "Window asks to hide input going forward"); 2089 hideCurrentInputLocked(0, null); 2090 } 2091 break; 2092 case WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_HIDDEN: 2093 if (DEBUG) Slog.v(TAG, "Window asks to hide input"); 2094 hideCurrentInputLocked(0, null); 2095 break; 2096 case WindowManager.LayoutParams.SOFT_INPUT_STATE_VISIBLE: 2097 if ((softInputMode & 2098 WindowManager.LayoutParams.SOFT_INPUT_IS_FORWARD_NAVIGATION) != 0) { 2099 if (DEBUG) Slog.v(TAG, "Window asks to show input going forward"); 2100 if (attribute != null) { 2101 res = startInputUncheckedLocked(cs, inputContext, attribute, 2102 controlFlags); 2103 didStart = true; 2104 } 2105 showCurrentInputLocked(InputMethodManager.SHOW_IMPLICIT, null); 2106 } 2107 break; 2108 case WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_VISIBLE: 2109 if (DEBUG) Slog.v(TAG, "Window asks to always show input"); 2110 if (attribute != null) { 2111 res = startInputUncheckedLocked(cs, inputContext, attribute, 2112 controlFlags); 2113 didStart = true; 2114 } 2115 showCurrentInputLocked(InputMethodManager.SHOW_IMPLICIT, null); 2116 break; 2117 } 2118 2119 if (!didStart && attribute != null) { 2120 res = startInputUncheckedLocked(cs, inputContext, attribute, 2121 controlFlags); 2122 } 2123 } 2124 } finally { 2125 Binder.restoreCallingIdentity(ident); 2126 } 2127 2128 return res; 2129 } 2130 2131 @Override 2132 public void showInputMethodPickerFromClient(IInputMethodClient client) { 2133 if (!calledFromValidUser()) { 2134 return; 2135 } 2136 synchronized (mMethodMap) { 2137 if (mCurClient == null || client == null 2138 || mCurClient.client.asBinder() != client.asBinder()) { 2139 Slog.w(TAG, "Ignoring showInputMethodPickerFromClient of uid " 2140 + Binder.getCallingUid() + ": " + client); 2141 } 2142 2143 // Always call subtype picker, because subtype picker is a superset of input method 2144 // picker. 2145 mHandler.sendEmptyMessage(MSG_SHOW_IM_SUBTYPE_PICKER); 2146 } 2147 } 2148 2149 @Override 2150 public void setInputMethod(IBinder token, String id) { 2151 if (!calledFromValidUser()) { 2152 return; 2153 } 2154 setInputMethodWithSubtypeId(token, id, NOT_A_SUBTYPE_ID); 2155 } 2156 2157 @Override 2158 public void setInputMethodAndSubtype(IBinder token, String id, InputMethodSubtype subtype) { 2159 if (!calledFromValidUser()) { 2160 return; 2161 } 2162 synchronized (mMethodMap) { 2163 if (subtype != null) { 2164 setInputMethodWithSubtypeIdLocked(token, id, 2165 InputMethodUtils.getSubtypeIdFromHashCode(mMethodMap.get(id), 2166 subtype.hashCode())); 2167 } else { 2168 setInputMethod(token, id); 2169 } 2170 } 2171 } 2172 2173 @Override 2174 public void showInputMethodAndSubtypeEnablerFromClient( 2175 IInputMethodClient client, String inputMethodId) { 2176 if (!calledFromValidUser()) { 2177 return; 2178 } 2179 synchronized (mMethodMap) { 2180 if (mCurClient == null || client == null 2181 || mCurClient.client.asBinder() != client.asBinder()) { 2182 Slog.w(TAG, "Ignoring showInputMethodAndSubtypeEnablerFromClient of: " + client); 2183 } 2184 executeOrSendMessage(mCurMethod, mCaller.obtainMessageO( 2185 MSG_SHOW_IM_SUBTYPE_ENABLER, inputMethodId)); 2186 } 2187 } 2188 2189 @Override 2190 public boolean switchToLastInputMethod(IBinder token) { 2191 if (!calledFromValidUser()) { 2192 return false; 2193 } 2194 synchronized (mMethodMap) { 2195 final Pair<String, String> lastIme = mSettings.getLastInputMethodAndSubtypeLocked(); 2196 final InputMethodInfo lastImi; 2197 if (lastIme != null) { 2198 lastImi = mMethodMap.get(lastIme.first); 2199 } else { 2200 lastImi = null; 2201 } 2202 String targetLastImiId = null; 2203 int subtypeId = NOT_A_SUBTYPE_ID; 2204 if (lastIme != null && lastImi != null) { 2205 final boolean imiIdIsSame = lastImi.getId().equals(mCurMethodId); 2206 final int lastSubtypeHash = Integer.valueOf(lastIme.second); 2207 final int currentSubtypeHash = mCurrentSubtype == null ? NOT_A_SUBTYPE_ID 2208 : mCurrentSubtype.hashCode(); 2209 // If the last IME is the same as the current IME and the last subtype is not 2210 // defined, there is no need to switch to the last IME. 2211 if (!imiIdIsSame || lastSubtypeHash != currentSubtypeHash) { 2212 targetLastImiId = lastIme.first; 2213 subtypeId = InputMethodUtils.getSubtypeIdFromHashCode(lastImi, lastSubtypeHash); 2214 } 2215 } 2216 2217 if (TextUtils.isEmpty(targetLastImiId) 2218 && !InputMethodUtils.canAddToLastInputMethod(mCurrentSubtype)) { 2219 // This is a safety net. If the currentSubtype can't be added to the history 2220 // and the framework couldn't find the last ime, we will make the last ime be 2221 // the most applicable enabled keyboard subtype of the system imes. 2222 final List<InputMethodInfo> enabled = mSettings.getEnabledInputMethodListLocked(); 2223 if (enabled != null) { 2224 final int N = enabled.size(); 2225 final String locale = mCurrentSubtype == null 2226 ? mRes.getConfiguration().locale.toString() 2227 : mCurrentSubtype.getLocale(); 2228 for (int i = 0; i < N; ++i) { 2229 final InputMethodInfo imi = enabled.get(i); 2230 if (imi.getSubtypeCount() > 0 && InputMethodUtils.isSystemIme(imi)) { 2231 InputMethodSubtype keyboardSubtype = 2232 InputMethodUtils.findLastResortApplicableSubtypeLocked(mRes, 2233 InputMethodUtils.getSubtypes(imi), 2234 InputMethodUtils.SUBTYPE_MODE_KEYBOARD, locale, true); 2235 if (keyboardSubtype != null) { 2236 targetLastImiId = imi.getId(); 2237 subtypeId = InputMethodUtils.getSubtypeIdFromHashCode( 2238 imi, keyboardSubtype.hashCode()); 2239 if(keyboardSubtype.getLocale().equals(locale)) { 2240 break; 2241 } 2242 } 2243 } 2244 } 2245 } 2246 } 2247 2248 if (!TextUtils.isEmpty(targetLastImiId)) { 2249 if (DEBUG) { 2250 Slog.d(TAG, "Switch to: " + lastImi.getId() + ", " + lastIme.second 2251 + ", from: " + mCurMethodId + ", " + subtypeId); 2252 } 2253 setInputMethodWithSubtypeIdLocked(token, targetLastImiId, subtypeId); 2254 return true; 2255 } else { 2256 return false; 2257 } 2258 } 2259 } 2260 2261 @Override 2262 public boolean switchToNextInputMethod(IBinder token, boolean onlyCurrentIme) { 2263 if (!calledFromValidUser()) { 2264 return false; 2265 } 2266 synchronized (mMethodMap) { 2267 if (!calledWithValidToken(token)) { 2268 final int uid = Binder.getCallingUid(); 2269 Slog.e(TAG, "Ignoring switchToNextInputMethod due to an invalid token. uid:" + uid 2270 + " token:" + token); 2271 return false; 2272 } 2273 final ImeSubtypeListItem nextSubtype = mSwitchingController.getNextInputMethodLocked( 2274 onlyCurrentIme, mMethodMap.get(mCurMethodId), mCurrentSubtype); 2275 if (nextSubtype == null) { 2276 return false; 2277 } 2278 setInputMethodWithSubtypeIdLocked(token, nextSubtype.mImi.getId(), 2279 nextSubtype.mSubtypeId); 2280 return true; 2281 } 2282 } 2283 2284 @Override 2285 public boolean shouldOfferSwitchingToNextInputMethod(IBinder token) { 2286 if (!calledFromValidUser()) { 2287 return false; 2288 } 2289 synchronized (mMethodMap) { 2290 if (!calledWithValidToken(token)) { 2291 final int uid = Binder.getCallingUid(); 2292 Slog.e(TAG, "Ignoring shouldOfferSwitchingToNextInputMethod due to an invalid " 2293 + "token. uid:" + uid + " token:" + token); 2294 return false; 2295 } 2296 final ImeSubtypeListItem nextSubtype = mSwitchingController.getNextInputMethodLocked( 2297 false /* onlyCurrentIme */, mMethodMap.get(mCurMethodId), mCurrentSubtype); 2298 if (nextSubtype == null) { 2299 return false; 2300 } 2301 return true; 2302 } 2303 } 2304 2305 @Override 2306 public InputMethodSubtype getLastInputMethodSubtype() { 2307 if (!calledFromValidUser()) { 2308 return null; 2309 } 2310 synchronized (mMethodMap) { 2311 final Pair<String, String> lastIme = mSettings.getLastInputMethodAndSubtypeLocked(); 2312 // TODO: Handle the case of the last IME with no subtypes 2313 if (lastIme == null || TextUtils.isEmpty(lastIme.first) 2314 || TextUtils.isEmpty(lastIme.second)) return null; 2315 final InputMethodInfo lastImi = mMethodMap.get(lastIme.first); 2316 if (lastImi == null) return null; 2317 try { 2318 final int lastSubtypeHash = Integer.valueOf(lastIme.second); 2319 final int lastSubtypeId = 2320 InputMethodUtils.getSubtypeIdFromHashCode(lastImi, lastSubtypeHash); 2321 if (lastSubtypeId < 0 || lastSubtypeId >= lastImi.getSubtypeCount()) { 2322 return null; 2323 } 2324 return lastImi.getSubtypeAt(lastSubtypeId); 2325 } catch (NumberFormatException e) { 2326 return null; 2327 } 2328 } 2329 } 2330 2331 @Override 2332 public void setAdditionalInputMethodSubtypes(String imiId, InputMethodSubtype[] subtypes) { 2333 if (!calledFromValidUser()) { 2334 return; 2335 } 2336 // By this IPC call, only a process which shares the same uid with the IME can add 2337 // additional input method subtypes to the IME. 2338 if (TextUtils.isEmpty(imiId) || subtypes == null || subtypes.length == 0) return; 2339 synchronized (mMethodMap) { 2340 final InputMethodInfo imi = mMethodMap.get(imiId); 2341 if (imi == null) return; 2342 final String[] packageInfos; 2343 try { 2344 packageInfos = mIPackageManager.getPackagesForUid(Binder.getCallingUid()); 2345 } catch (RemoteException e) { 2346 Slog.e(TAG, "Failed to get package infos"); 2347 return; 2348 } 2349 if (packageInfos != null) { 2350 final int packageNum = packageInfos.length; 2351 for (int i = 0; i < packageNum; ++i) { 2352 if (packageInfos[i].equals(imi.getPackageName())) { 2353 mFileManager.addInputMethodSubtypes(imi, subtypes); 2354 final long ident = Binder.clearCallingIdentity(); 2355 try { 2356 buildInputMethodListLocked(mMethodList, mMethodMap, 2357 false /* resetDefaultEnabledIme */); 2358 } finally { 2359 Binder.restoreCallingIdentity(ident); 2360 } 2361 return; 2362 } 2363 } 2364 } 2365 } 2366 return; 2367 } 2368 2369 @Override 2370 public int getInputMethodWindowVisibleHeight() { 2371 return mWindowManagerService.getInputMethodWindowVisibleHeight(); 2372 } 2373 2374 @Override 2375 public void notifyUserAction(int sequenceNumber) { 2376 if (DEBUG) { 2377 Slog.d(TAG, "Got the notification of a user action. sequenceNumber:" + sequenceNumber); 2378 } 2379 synchronized (mMethodMap) { 2380 if (mCurUserActionNotificationSequenceNumber != sequenceNumber) { 2381 if (DEBUG) { 2382 Slog.d(TAG, "Ignoring the user action notification due to the sequence number " 2383 + "mismatch. expected:" + mCurUserActionNotificationSequenceNumber 2384 + " actual: " + sequenceNumber); 2385 } 2386 return; 2387 } 2388 final InputMethodInfo imi = mMethodMap.get(mCurMethodId); 2389 if (imi != null) { 2390 mSwitchingController.onUserActionLocked(imi, mCurrentSubtype); 2391 } 2392 } 2393 } 2394 2395 private void setInputMethodWithSubtypeId(IBinder token, String id, int subtypeId) { 2396 synchronized (mMethodMap) { 2397 setInputMethodWithSubtypeIdLocked(token, id, subtypeId); 2398 } 2399 } 2400 2401 private void setInputMethodWithSubtypeIdLocked(IBinder token, String id, int subtypeId) { 2402 if (token == null) { 2403 if (mContext.checkCallingOrSelfPermission( 2404 android.Manifest.permission.WRITE_SECURE_SETTINGS) 2405 != PackageManager.PERMISSION_GRANTED) { 2406 throw new SecurityException( 2407 "Using null token requires permission " 2408 + android.Manifest.permission.WRITE_SECURE_SETTINGS); 2409 } 2410 } else if (mCurToken != token) { 2411 Slog.w(TAG, "Ignoring setInputMethod of uid " + Binder.getCallingUid() 2412 + " token: " + token); 2413 return; 2414 } 2415 2416 final long ident = Binder.clearCallingIdentity(); 2417 try { 2418 setInputMethodLocked(id, subtypeId); 2419 } finally { 2420 Binder.restoreCallingIdentity(ident); 2421 } 2422 } 2423 2424 @Override 2425 public void hideMySoftInput(IBinder token, int flags) { 2426 if (!calledFromValidUser()) { 2427 return; 2428 } 2429 synchronized (mMethodMap) { 2430 if (!calledWithValidToken(token)) { 2431 final int uid = Binder.getCallingUid(); 2432 Slog.e(TAG, "Ignoring hideInputMethod due to an invalid token. uid:" 2433 + uid + " token:" + token); 2434 return; 2435 } 2436 long ident = Binder.clearCallingIdentity(); 2437 try { 2438 hideCurrentInputLocked(flags, null); 2439 } finally { 2440 Binder.restoreCallingIdentity(ident); 2441 } 2442 } 2443 } 2444 2445 @Override 2446 public void showMySoftInput(IBinder token, int flags) { 2447 if (!calledFromValidUser()) { 2448 return; 2449 } 2450 synchronized (mMethodMap) { 2451 if (!calledWithValidToken(token)) { 2452 final int uid = Binder.getCallingUid(); 2453 Slog.e(TAG, "Ignoring showMySoftInput due to an invalid token. uid:" 2454 + uid + " token:" + token); 2455 return; 2456 } 2457 long ident = Binder.clearCallingIdentity(); 2458 try { 2459 showCurrentInputLocked(flags, null); 2460 } finally { 2461 Binder.restoreCallingIdentity(ident); 2462 } 2463 } 2464 } 2465 2466 void setEnabledSessionInMainThread(SessionState session) { 2467 if (mEnabledSession != session) { 2468 if (mEnabledSession != null && mEnabledSession.session != null) { 2469 try { 2470 if (DEBUG) Slog.v(TAG, "Disabling: " + mEnabledSession); 2471 mEnabledSession.method.setSessionEnabled(mEnabledSession.session, false); 2472 } catch (RemoteException e) { 2473 } 2474 } 2475 mEnabledSession = session; 2476 if (mEnabledSession != null && mEnabledSession.session != null) { 2477 try { 2478 if (DEBUG) Slog.v(TAG, "Enabling: " + mEnabledSession); 2479 mEnabledSession.method.setSessionEnabled(mEnabledSession.session, true); 2480 } catch (RemoteException e) { 2481 } 2482 } 2483 } 2484 } 2485 2486 @Override 2487 public boolean handleMessage(Message msg) { 2488 SomeArgs args; 2489 switch (msg.what) { 2490 case MSG_SHOW_IM_PICKER: 2491 showInputMethodMenu(); 2492 return true; 2493 2494 case MSG_SHOW_IM_SUBTYPE_PICKER: 2495 showInputMethodSubtypeMenu(); 2496 return true; 2497 2498 case MSG_SHOW_IM_SUBTYPE_ENABLER: 2499 args = (SomeArgs)msg.obj; 2500 showInputMethodAndSubtypeEnabler((String)args.arg1); 2501 args.recycle(); 2502 return true; 2503 2504 case MSG_SHOW_IM_CONFIG: 2505 showConfigureInputMethods(); 2506 return true; 2507 2508 // --------------------------------------------------------- 2509 2510 case MSG_UNBIND_INPUT: 2511 try { 2512 ((IInputMethod)msg.obj).unbindInput(); 2513 } catch (RemoteException e) { 2514 // There is nothing interesting about the method dying. 2515 } 2516 return true; 2517 case MSG_BIND_INPUT: 2518 args = (SomeArgs)msg.obj; 2519 try { 2520 ((IInputMethod)args.arg1).bindInput((InputBinding)args.arg2); 2521 } catch (RemoteException e) { 2522 } 2523 args.recycle(); 2524 return true; 2525 case MSG_SHOW_SOFT_INPUT: 2526 args = (SomeArgs)msg.obj; 2527 try { 2528 if (DEBUG) Slog.v(TAG, "Calling " + args.arg1 + ".showSoftInput(" 2529 + msg.arg1 + ", " + args.arg2 + ")"); 2530 ((IInputMethod)args.arg1).showSoftInput(msg.arg1, (ResultReceiver)args.arg2); 2531 } catch (RemoteException e) { 2532 } 2533 args.recycle(); 2534 return true; 2535 case MSG_HIDE_SOFT_INPUT: 2536 args = (SomeArgs)msg.obj; 2537 try { 2538 if (DEBUG) Slog.v(TAG, "Calling " + args.arg1 + ".hideSoftInput(0, " 2539 + args.arg2 + ")"); 2540 ((IInputMethod)args.arg1).hideSoftInput(0, (ResultReceiver)args.arg2); 2541 } catch (RemoteException e) { 2542 } 2543 args.recycle(); 2544 return true; 2545 case MSG_ATTACH_TOKEN: 2546 args = (SomeArgs)msg.obj; 2547 try { 2548 if (DEBUG) Slog.v(TAG, "Sending attach of token: " + args.arg2); 2549 ((IInputMethod)args.arg1).attachToken((IBinder)args.arg2); 2550 } catch (RemoteException e) { 2551 } 2552 args.recycle(); 2553 return true; 2554 case MSG_CREATE_SESSION: { 2555 args = (SomeArgs)msg.obj; 2556 IInputMethod method = (IInputMethod)args.arg1; 2557 InputChannel channel = (InputChannel)args.arg2; 2558 try { 2559 method.createSession(channel, (IInputSessionCallback)args.arg3); 2560 } catch (RemoteException e) { 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 (channel != null && Binder.isProxy(method)) { 2565 channel.dispose(); 2566 } 2567 } 2568 args.recycle(); 2569 return true; 2570 } 2571 // --------------------------------------------------------- 2572 2573 case MSG_START_INPUT: 2574 args = (SomeArgs)msg.obj; 2575 try { 2576 SessionState session = (SessionState)args.arg1; 2577 setEnabledSessionInMainThread(session); 2578 session.method.startInput((IInputContext)args.arg2, 2579 (EditorInfo)args.arg3); 2580 } catch (RemoteException e) { 2581 } 2582 args.recycle(); 2583 return true; 2584 case MSG_RESTART_INPUT: 2585 args = (SomeArgs)msg.obj; 2586 try { 2587 SessionState session = (SessionState)args.arg1; 2588 setEnabledSessionInMainThread(session); 2589 session.method.restartInput((IInputContext)args.arg2, 2590 (EditorInfo)args.arg3); 2591 } catch (RemoteException e) { 2592 } 2593 args.recycle(); 2594 return true; 2595 2596 // --------------------------------------------------------- 2597 2598 case MSG_UNBIND_METHOD: 2599 try { 2600 ((IInputMethodClient)msg.obj).onUnbindMethod(msg.arg1); 2601 } catch (RemoteException e) { 2602 // There is nothing interesting about the last client dying. 2603 } 2604 return true; 2605 case MSG_BIND_METHOD: { 2606 args = (SomeArgs)msg.obj; 2607 IInputMethodClient client = (IInputMethodClient)args.arg1; 2608 InputBindResult res = (InputBindResult)args.arg2; 2609 try { 2610 client.onBindMethod(res); 2611 } catch (RemoteException e) { 2612 Slog.w(TAG, "Client died receiving input method " + args.arg2); 2613 } finally { 2614 // Dispose the channel if the input method is not local to this process 2615 // because the remote proxy will get its own copy when unparceled. 2616 if (res.channel != null && Binder.isProxy(client)) { 2617 res.channel.dispose(); 2618 } 2619 } 2620 args.recycle(); 2621 return true; 2622 } 2623 case MSG_SET_ACTIVE: 2624 try { 2625 ((ClientState)msg.obj).client.setActive(msg.arg1 != 0); 2626 } catch (RemoteException e) { 2627 Slog.w(TAG, "Got RemoteException sending setActive(false) notification to pid " 2628 + ((ClientState)msg.obj).pid + " uid " 2629 + ((ClientState)msg.obj).uid); 2630 } 2631 return true; 2632 case MSG_SET_USER_ACTION_NOTIFICATION_SEQUENCE_NUMBER: { 2633 final int sequenceNumber = msg.arg1; 2634 final ClientState clientState = (ClientState)msg.obj; 2635 try { 2636 clientState.client.setUserActionNotificationSequenceNumber(sequenceNumber); 2637 } catch (RemoteException e) { 2638 Slog.w(TAG, "Got RemoteException sending " 2639 + "setUserActionNotificationSequenceNumber(" 2640 + sequenceNumber + ") notification to pid " 2641 + clientState.pid + " uid " 2642 + clientState.uid); 2643 } 2644 return true; 2645 } 2646 2647 // -------------------------------------------------------------- 2648 case MSG_HARD_KEYBOARD_SWITCH_CHANGED: 2649 mHardKeyboardListener.handleHardKeyboardStatusChange(msg.arg1 == 1); 2650 return true; 2651 } 2652 return false; 2653 } 2654 2655 private boolean chooseNewDefaultIMELocked() { 2656 final InputMethodInfo imi = InputMethodUtils.getMostApplicableDefaultIME( 2657 mSettings.getEnabledInputMethodListLocked()); 2658 if (imi != null) { 2659 if (DEBUG) { 2660 Slog.d(TAG, "New default IME was selected: " + imi.getId()); 2661 } 2662 resetSelectedInputMethodAndSubtypeLocked(imi.getId()); 2663 return true; 2664 } 2665 2666 return false; 2667 } 2668 2669 void buildInputMethodListLocked(ArrayList<InputMethodInfo> list, 2670 HashMap<String, InputMethodInfo> map, boolean resetDefaultEnabledIme) { 2671 if (DEBUG) { 2672 Slog.d(TAG, "--- re-buildInputMethodList reset = " + resetDefaultEnabledIme 2673 + " \n ------ \n" + InputMethodUtils.getStackTrace()); 2674 } 2675 list.clear(); 2676 map.clear(); 2677 2678 // Use for queryIntentServicesAsUser 2679 final PackageManager pm = mContext.getPackageManager(); 2680 String disabledSysImes = mSettings.getDisabledSystemInputMethods(); 2681 if (disabledSysImes == null) disabledSysImes = ""; 2682 2683 final List<ResolveInfo> services = pm.queryIntentServicesAsUser( 2684 new Intent(InputMethod.SERVICE_INTERFACE), 2685 PackageManager.GET_META_DATA | PackageManager.GET_DISABLED_UNTIL_USED_COMPONENTS, 2686 mSettings.getCurrentUserId()); 2687 2688 final HashMap<String, List<InputMethodSubtype>> additionalSubtypes = 2689 mFileManager.getAllAdditionalInputMethodSubtypes(); 2690 for (int i = 0; i < services.size(); ++i) { 2691 ResolveInfo ri = services.get(i); 2692 ServiceInfo si = ri.serviceInfo; 2693 ComponentName compName = new ComponentName(si.packageName, si.name); 2694 if (!android.Manifest.permission.BIND_INPUT_METHOD.equals( 2695 si.permission)) { 2696 Slog.w(TAG, "Skipping input method " + compName 2697 + ": it does not require the permission " 2698 + android.Manifest.permission.BIND_INPUT_METHOD); 2699 continue; 2700 } 2701 2702 if (DEBUG) Slog.d(TAG, "Checking " + compName); 2703 2704 try { 2705 InputMethodInfo p = new InputMethodInfo(mContext, ri, additionalSubtypes); 2706 list.add(p); 2707 final String id = p.getId(); 2708 map.put(id, p); 2709 2710 if (DEBUG) { 2711 Slog.d(TAG, "Found an input method " + p); 2712 } 2713 2714 } catch (XmlPullParserException e) { 2715 Slog.w(TAG, "Unable to load input method " + compName, e); 2716 } catch (IOException e) { 2717 Slog.w(TAG, "Unable to load input method " + compName, e); 2718 } 2719 } 2720 2721 if (resetDefaultEnabledIme) { 2722 final ArrayList<InputMethodInfo> defaultEnabledIme = 2723 InputMethodUtils.getDefaultEnabledImes(mContext, mSystemReady, list); 2724 for (int i = 0; i < defaultEnabledIme.size(); ++i) { 2725 final InputMethodInfo imi = defaultEnabledIme.get(i); 2726 if (DEBUG) { 2727 Slog.d(TAG, "--- enable ime = " + imi); 2728 } 2729 setInputMethodEnabledLocked(imi.getId(), true); 2730 } 2731 } 2732 2733 final String defaultImiId = mSettings.getSelectedInputMethod(); 2734 if (!TextUtils.isEmpty(defaultImiId)) { 2735 if (!map.containsKey(defaultImiId)) { 2736 Slog.w(TAG, "Default IME is uninstalled. Choose new default IME."); 2737 if (chooseNewDefaultIMELocked()) { 2738 updateInputMethodsFromSettingsLocked(true); 2739 } 2740 } else { 2741 // Double check that the default IME is certainly enabled. 2742 setInputMethodEnabledLocked(defaultImiId, true); 2743 } 2744 } 2745 // Here is not the perfect place to reset the switching controller. Ideally 2746 // mSwitchingController and mSettings should be able to share the same state. 2747 // TODO: Make sure that mSwitchingController and mSettings are sharing the 2748 // the same enabled IMEs list. 2749 mSwitchingController.resetCircularListLocked(mContext); 2750 } 2751 2752 // ---------------------------------------------------------------------- 2753 2754 private void showInputMethodMenu() { 2755 showInputMethodMenuInternal(false); 2756 } 2757 2758 private void showInputMethodSubtypeMenu() { 2759 showInputMethodMenuInternal(true); 2760 } 2761 2762 private void showInputMethodAndSubtypeEnabler(String inputMethodId) { 2763 Intent intent = new Intent(Settings.ACTION_INPUT_METHOD_SUBTYPE_SETTINGS); 2764 intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK 2765 | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED 2766 | Intent.FLAG_ACTIVITY_CLEAR_TOP); 2767 if (!TextUtils.isEmpty(inputMethodId)) { 2768 intent.putExtra(Settings.EXTRA_INPUT_METHOD_ID, inputMethodId); 2769 } 2770 mContext.startActivityAsUser(intent, null, UserHandle.CURRENT); 2771 } 2772 2773 private void showConfigureInputMethods() { 2774 Intent intent = new Intent(Settings.ACTION_INPUT_METHOD_SETTINGS); 2775 intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK 2776 | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED 2777 | Intent.FLAG_ACTIVITY_CLEAR_TOP); 2778 mContext.startActivityAsUser(intent, null, UserHandle.CURRENT); 2779 } 2780 2781 private boolean isScreenLocked() { 2782 return mKeyguardManager != null 2783 && mKeyguardManager.isKeyguardLocked() && mKeyguardManager.isKeyguardSecure(); 2784 } 2785 2786 private void showInputMethodMenuInternal(boolean showSubtypes) { 2787 if (DEBUG) Slog.v(TAG, "Show switching menu"); 2788 2789 final Context context = mContext; 2790 final boolean isScreenLocked = isScreenLocked(); 2791 2792 final String lastInputMethodId = mSettings.getSelectedInputMethod(); 2793 int lastInputMethodSubtypeId = mSettings.getSelectedInputMethodSubtypeId(lastInputMethodId); 2794 if (DEBUG) Slog.v(TAG, "Current IME: " + lastInputMethodId); 2795 2796 synchronized (mMethodMap) { 2797 final HashMap<InputMethodInfo, List<InputMethodSubtype>> immis = 2798 mSettings.getExplicitlyOrImplicitlyEnabledInputMethodsAndSubtypeListLocked( 2799 mContext); 2800 if (immis == null || immis.size() == 0) { 2801 return; 2802 } 2803 2804 hideInputMethodMenuLocked(); 2805 2806 final List<ImeSubtypeListItem> imList = 2807 mSwitchingController.getSortedInputMethodAndSubtypeListLocked( 2808 showSubtypes, mInputShown, isScreenLocked); 2809 2810 if (lastInputMethodSubtypeId == NOT_A_SUBTYPE_ID) { 2811 final InputMethodSubtype currentSubtype = getCurrentInputMethodSubtypeLocked(); 2812 if (currentSubtype != null) { 2813 final InputMethodInfo currentImi = mMethodMap.get(mCurMethodId); 2814 lastInputMethodSubtypeId = InputMethodUtils.getSubtypeIdFromHashCode( 2815 currentImi, currentSubtype.hashCode()); 2816 } 2817 } 2818 2819 final int N = imList.size(); 2820 mIms = new InputMethodInfo[N]; 2821 mSubtypeIds = new int[N]; 2822 int checkedItem = 0; 2823 for (int i = 0; i < N; ++i) { 2824 final ImeSubtypeListItem item = imList.get(i); 2825 mIms[i] = item.mImi; 2826 mSubtypeIds[i] = item.mSubtypeId; 2827 if (mIms[i].getId().equals(lastInputMethodId)) { 2828 int subtypeId = mSubtypeIds[i]; 2829 if ((subtypeId == NOT_A_SUBTYPE_ID) 2830 || (lastInputMethodSubtypeId == NOT_A_SUBTYPE_ID && subtypeId == 0) 2831 || (subtypeId == lastInputMethodSubtypeId)) { 2832 checkedItem = i; 2833 } 2834 } 2835 } 2836 2837 final Context settingsContext = new ContextThemeWrapper(context, 2838 com.android.internal.R.style.Theme_DeviceDefault_Settings); 2839 2840 mDialogBuilder = new AlertDialog.Builder(settingsContext); 2841 mDialogBuilder.setOnCancelListener(new OnCancelListener() { 2842 @Override 2843 public void onCancel(DialogInterface dialog) { 2844 hideInputMethodMenu(); 2845 } 2846 }); 2847 2848 final Context dialogContext = mDialogBuilder.getContext(); 2849 final TypedArray a = dialogContext.obtainStyledAttributes(null, 2850 com.android.internal.R.styleable.DialogPreference, 2851 com.android.internal.R.attr.alertDialogStyle, 0); 2852 final Drawable dialogIcon = a.getDrawable( 2853 com.android.internal.R.styleable.DialogPreference_dialogIcon); 2854 a.recycle(); 2855 2856 mDialogBuilder.setIcon(dialogIcon); 2857 2858 final LayoutInflater inflater = (LayoutInflater) dialogContext.getSystemService( 2859 Context.LAYOUT_INFLATER_SERVICE); 2860 final View tv = inflater.inflate( 2861 com.android.internal.R.layout.input_method_switch_dialog_title, null); 2862 mDialogBuilder.setCustomTitle(tv); 2863 2864 // Setup layout for a toggle switch of the hardware keyboard 2865 mSwitchingDialogTitleView = tv; 2866 mSwitchingDialogTitleView 2867 .findViewById(com.android.internal.R.id.hard_keyboard_section) 2868 .setVisibility(mWindowManagerService.isHardKeyboardAvailable() 2869 ? View.VISIBLE : View.GONE); 2870 final Switch hardKeySwitch = (Switch) mSwitchingDialogTitleView.findViewById( 2871 com.android.internal.R.id.hard_keyboard_switch); 2872 hardKeySwitch.setChecked(mShowImeWithHardKeyboard); 2873 hardKeySwitch.setOnCheckedChangeListener(new OnCheckedChangeListener() { 2874 @Override 2875 public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) { 2876 mSettings.setShowImeWithHardKeyboard(isChecked); 2877 // Ensure that the input method dialog is dismissed when changing 2878 // the hardware keyboard state. 2879 hideInputMethodMenu(); 2880 } 2881 }); 2882 2883 final ImeSubtypeListAdapter adapter = new ImeSubtypeListAdapter(dialogContext, 2884 com.android.internal.R.layout.input_method_switch_item, imList, checkedItem); 2885 final OnClickListener choiceListener = new OnClickListener() { 2886 @Override 2887 public void onClick(final DialogInterface dialog, final int which) { 2888 synchronized (mMethodMap) { 2889 if (mIms == null || mIms.length <= which || mSubtypeIds == null 2890 || mSubtypeIds.length <= which) { 2891 return; 2892 } 2893 final InputMethodInfo im = mIms[which]; 2894 int subtypeId = mSubtypeIds[which]; 2895 adapter.mCheckedItem = which; 2896 adapter.notifyDataSetChanged(); 2897 hideInputMethodMenu(); 2898 if (im != null) { 2899 if (subtypeId < 0 || subtypeId >= im.getSubtypeCount()) { 2900 subtypeId = NOT_A_SUBTYPE_ID; 2901 } 2902 setInputMethodLocked(im.getId(), subtypeId); 2903 } 2904 } 2905 } 2906 }; 2907 mDialogBuilder.setSingleChoiceItems(adapter, checkedItem, choiceListener); 2908 2909 if (showSubtypes && !isScreenLocked) { 2910 final OnClickListener positiveListener = new OnClickListener() { 2911 @Override 2912 public void onClick(DialogInterface dialog, int whichButton) { 2913 showConfigureInputMethods(); 2914 } 2915 }; 2916 mDialogBuilder.setPositiveButton( 2917 com.android.internal.R.string.configure_input_methods, positiveListener); 2918 } 2919 mSwitchingDialog = mDialogBuilder.create(); 2920 mSwitchingDialog.setCanceledOnTouchOutside(true); 2921 mSwitchingDialog.getWindow().setType( 2922 WindowManager.LayoutParams.TYPE_INPUT_METHOD_DIALOG); 2923 mSwitchingDialog.getWindow().getAttributes().privateFlags |= 2924 WindowManager.LayoutParams.PRIVATE_FLAG_SHOW_FOR_ALL_USERS; 2925 mSwitchingDialog.getWindow().getAttributes().setTitle("Select input method"); 2926 updateImeWindowStatusLocked(); 2927 mSwitchingDialog.show(); 2928 } 2929 } 2930 2931 private static class ImeSubtypeListAdapter extends ArrayAdapter<ImeSubtypeListItem> { 2932 private final LayoutInflater mInflater; 2933 private final int mTextViewResourceId; 2934 private final List<ImeSubtypeListItem> mItemsList; 2935 public int mCheckedItem; 2936 public ImeSubtypeListAdapter(Context context, int textViewResourceId, 2937 List<ImeSubtypeListItem> itemsList, int checkedItem) { 2938 super(context, textViewResourceId, itemsList); 2939 2940 mTextViewResourceId = textViewResourceId; 2941 mItemsList = itemsList; 2942 mCheckedItem = checkedItem; 2943 mInflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE); 2944 } 2945 2946 @Override 2947 public View getView(int position, View convertView, ViewGroup parent) { 2948 final View view = convertView != null ? convertView 2949 : mInflater.inflate(mTextViewResourceId, null); 2950 if (position < 0 || position >= mItemsList.size()) return view; 2951 final ImeSubtypeListItem item = mItemsList.get(position); 2952 final CharSequence imeName = item.mImeName; 2953 final CharSequence subtypeName = item.mSubtypeName; 2954 final TextView firstTextView = (TextView)view.findViewById(android.R.id.text1); 2955 final TextView secondTextView = (TextView)view.findViewById(android.R.id.text2); 2956 if (TextUtils.isEmpty(subtypeName)) { 2957 firstTextView.setText(imeName); 2958 secondTextView.setVisibility(View.GONE); 2959 } else { 2960 firstTextView.setText(subtypeName); 2961 secondTextView.setText(imeName); 2962 secondTextView.setVisibility(View.VISIBLE); 2963 } 2964 final RadioButton radioButton = 2965 (RadioButton)view.findViewById(com.android.internal.R.id.radio); 2966 radioButton.setChecked(position == mCheckedItem); 2967 return view; 2968 } 2969 } 2970 2971 void hideInputMethodMenu() { 2972 synchronized (mMethodMap) { 2973 hideInputMethodMenuLocked(); 2974 } 2975 } 2976 2977 void hideInputMethodMenuLocked() { 2978 if (DEBUG) Slog.v(TAG, "Hide switching menu"); 2979 2980 if (mSwitchingDialog != null) { 2981 mSwitchingDialog.dismiss(); 2982 mSwitchingDialog = null; 2983 } 2984 2985 updateImeWindowStatusLocked(); 2986 mDialogBuilder = null; 2987 mIms = null; 2988 } 2989 2990 // ---------------------------------------------------------------------- 2991 2992 @Override 2993 public boolean setInputMethodEnabled(String id, boolean enabled) { 2994 // TODO: Make this work even for non-current users? 2995 if (!calledFromValidUser()) { 2996 return false; 2997 } 2998 synchronized (mMethodMap) { 2999 if (mContext.checkCallingOrSelfPermission( 3000 android.Manifest.permission.WRITE_SECURE_SETTINGS) 3001 != PackageManager.PERMISSION_GRANTED) { 3002 throw new SecurityException( 3003 "Requires permission " 3004 + android.Manifest.permission.WRITE_SECURE_SETTINGS); 3005 } 3006 3007 long ident = Binder.clearCallingIdentity(); 3008 try { 3009 return setInputMethodEnabledLocked(id, enabled); 3010 } finally { 3011 Binder.restoreCallingIdentity(ident); 3012 } 3013 } 3014 } 3015 3016 boolean setInputMethodEnabledLocked(String id, boolean enabled) { 3017 // Make sure this is a valid input method. 3018 InputMethodInfo imm = mMethodMap.get(id); 3019 if (imm == null) { 3020 throw new IllegalArgumentException("Unknown id: " + mCurMethodId); 3021 } 3022 3023 List<Pair<String, ArrayList<String>>> enabledInputMethodsList = mSettings 3024 .getEnabledInputMethodsAndSubtypeListLocked(); 3025 3026 if (enabled) { 3027 for (Pair<String, ArrayList<String>> pair: enabledInputMethodsList) { 3028 if (pair.first.equals(id)) { 3029 // We are enabling this input method, but it is already enabled. 3030 // Nothing to do. The previous state was enabled. 3031 return true; 3032 } 3033 } 3034 mSettings.appendAndPutEnabledInputMethodLocked(id, false); 3035 // Previous state was disabled. 3036 return false; 3037 } else { 3038 StringBuilder builder = new StringBuilder(); 3039 if (mSettings.buildAndPutEnabledInputMethodsStrRemovingIdLocked( 3040 builder, enabledInputMethodsList, id)) { 3041 // Disabled input method is currently selected, switch to another one. 3042 final String selId = mSettings.getSelectedInputMethod(); 3043 if (id.equals(selId) && !chooseNewDefaultIMELocked()) { 3044 Slog.i(TAG, "Can't find new IME, unsetting the current input method."); 3045 resetSelectedInputMethodAndSubtypeLocked(""); 3046 } 3047 // Previous state was enabled. 3048 return true; 3049 } else { 3050 // We are disabling the input method but it is already disabled. 3051 // Nothing to do. The previous state was disabled. 3052 return false; 3053 } 3054 } 3055 } 3056 3057 private void setSelectedInputMethodAndSubtypeLocked(InputMethodInfo imi, int subtypeId, 3058 boolean setSubtypeOnly) { 3059 // Update the history of InputMethod and Subtype 3060 mSettings.saveCurrentInputMethodAndSubtypeToHistory(mCurMethodId, mCurrentSubtype); 3061 3062 mCurUserActionNotificationSequenceNumber = 3063 Math.max(mCurUserActionNotificationSequenceNumber + 1, 1); 3064 if (DEBUG) { 3065 Slog.d(TAG, "Bump mCurUserActionNotificationSequenceNumber:" 3066 + mCurUserActionNotificationSequenceNumber); 3067 } 3068 3069 if (mCurClient != null && mCurClient.client != null) { 3070 executeOrSendMessage(mCurClient.client, mCaller.obtainMessageIO( 3071 MSG_SET_USER_ACTION_NOTIFICATION_SEQUENCE_NUMBER, 3072 mCurUserActionNotificationSequenceNumber, mCurClient)); 3073 } 3074 3075 // Set Subtype here 3076 if (imi == null || subtypeId < 0) { 3077 mSettings.putSelectedSubtype(NOT_A_SUBTYPE_ID); 3078 mCurrentSubtype = null; 3079 } else { 3080 if (subtypeId < imi.getSubtypeCount()) { 3081 InputMethodSubtype subtype = imi.getSubtypeAt(subtypeId); 3082 mSettings.putSelectedSubtype(subtype.hashCode()); 3083 mCurrentSubtype = subtype; 3084 } else { 3085 mSettings.putSelectedSubtype(NOT_A_SUBTYPE_ID); 3086 // If the subtype is not specified, choose the most applicable one 3087 mCurrentSubtype = getCurrentInputMethodSubtypeLocked(); 3088 } 3089 } 3090 3091 // Workaround. 3092 // ASEC is not ready in the IMMS constructor. Accordingly, forward-locked 3093 // IMEs are not recognized and considered uninstalled. 3094 // Actually, we can't move everything after SystemReady because 3095 // IMMS needs to run in the encryption lock screen. So, we just skip changing 3096 // the default IME here and try cheking the default IME again in systemReady(). 3097 // TODO: Do nothing before system ready and implement a separated logic for 3098 // the encryption lock screen. 3099 // TODO: ASEC should be ready before IMMS is instantiated. 3100 if (mSystemReady && !setSubtypeOnly) { 3101 // Set InputMethod here 3102 mSettings.putSelectedInputMethod(imi != null ? imi.getId() : ""); 3103 } 3104 } 3105 3106 private void resetSelectedInputMethodAndSubtypeLocked(String newDefaultIme) { 3107 InputMethodInfo imi = mMethodMap.get(newDefaultIme); 3108 int lastSubtypeId = NOT_A_SUBTYPE_ID; 3109 // newDefaultIme is empty when there is no candidate for the selected IME. 3110 if (imi != null && !TextUtils.isEmpty(newDefaultIme)) { 3111 String subtypeHashCode = mSettings.getLastSubtypeForInputMethodLocked(newDefaultIme); 3112 if (subtypeHashCode != null) { 3113 try { 3114 lastSubtypeId = InputMethodUtils.getSubtypeIdFromHashCode( 3115 imi, Integer.valueOf(subtypeHashCode)); 3116 } catch (NumberFormatException e) { 3117 Slog.w(TAG, "HashCode for subtype looks broken: " + subtypeHashCode, e); 3118 } 3119 } 3120 } 3121 setSelectedInputMethodAndSubtypeLocked(imi, lastSubtypeId, false); 3122 } 3123 3124 // If there are no selected shortcuts, tries finding the most applicable ones. 3125 private Pair<InputMethodInfo, InputMethodSubtype> 3126 findLastResortApplicableShortcutInputMethodAndSubtypeLocked(String mode) { 3127 List<InputMethodInfo> imis = mSettings.getEnabledInputMethodListLocked(); 3128 InputMethodInfo mostApplicableIMI = null; 3129 InputMethodSubtype mostApplicableSubtype = null; 3130 boolean foundInSystemIME = false; 3131 3132 // Search applicable subtype for each InputMethodInfo 3133 for (InputMethodInfo imi: imis) { 3134 final String imiId = imi.getId(); 3135 if (foundInSystemIME && !imiId.equals(mCurMethodId)) { 3136 continue; 3137 } 3138 InputMethodSubtype subtype = null; 3139 final List<InputMethodSubtype> enabledSubtypes = 3140 mSettings.getEnabledInputMethodSubtypeListLocked(mContext, imi, true); 3141 // 1. Search by the current subtype's locale from enabledSubtypes. 3142 if (mCurrentSubtype != null) { 3143 subtype = InputMethodUtils.findLastResortApplicableSubtypeLocked( 3144 mRes, enabledSubtypes, mode, mCurrentSubtype.getLocale(), false); 3145 } 3146 // 2. Search by the system locale from enabledSubtypes. 3147 // 3. Search the first enabled subtype matched with mode from enabledSubtypes. 3148 if (subtype == null) { 3149 subtype = InputMethodUtils.findLastResortApplicableSubtypeLocked( 3150 mRes, enabledSubtypes, mode, null, true); 3151 } 3152 final ArrayList<InputMethodSubtype> overridingImplicitlyEnabledSubtypes = 3153 InputMethodUtils.getOverridingImplicitlyEnabledSubtypes(imi, mode); 3154 final ArrayList<InputMethodSubtype> subtypesForSearch = 3155 overridingImplicitlyEnabledSubtypes.isEmpty() 3156 ? InputMethodUtils.getSubtypes(imi) 3157 : overridingImplicitlyEnabledSubtypes; 3158 // 4. Search by the current subtype's locale from all subtypes. 3159 if (subtype == null && mCurrentSubtype != null) { 3160 subtype = InputMethodUtils.findLastResortApplicableSubtypeLocked( 3161 mRes, subtypesForSearch, mode, mCurrentSubtype.getLocale(), false); 3162 } 3163 // 5. Search by the system locale from all subtypes. 3164 // 6. Search the first enabled subtype matched with mode from all subtypes. 3165 if (subtype == null) { 3166 subtype = InputMethodUtils.findLastResortApplicableSubtypeLocked( 3167 mRes, subtypesForSearch, mode, null, true); 3168 } 3169 if (subtype != null) { 3170 if (imiId.equals(mCurMethodId)) { 3171 // The current input method is the most applicable IME. 3172 mostApplicableIMI = imi; 3173 mostApplicableSubtype = subtype; 3174 break; 3175 } else if (!foundInSystemIME) { 3176 // The system input method is 2nd applicable IME. 3177 mostApplicableIMI = imi; 3178 mostApplicableSubtype = subtype; 3179 if ((imi.getServiceInfo().applicationInfo.flags 3180 & ApplicationInfo.FLAG_SYSTEM) != 0) { 3181 foundInSystemIME = true; 3182 } 3183 } 3184 } 3185 } 3186 if (DEBUG) { 3187 if (mostApplicableIMI != null) { 3188 Slog.w(TAG, "Most applicable shortcut input method was:" 3189 + mostApplicableIMI.getId()); 3190 if (mostApplicableSubtype != null) { 3191 Slog.w(TAG, "Most applicable shortcut input method subtype was:" 3192 + "," + mostApplicableSubtype.getMode() + "," 3193 + mostApplicableSubtype.getLocale()); 3194 } 3195 } 3196 } 3197 if (mostApplicableIMI != null) { 3198 return new Pair<InputMethodInfo, InputMethodSubtype> (mostApplicableIMI, 3199 mostApplicableSubtype); 3200 } else { 3201 return null; 3202 } 3203 } 3204 3205 /** 3206 * @return Return the current subtype of this input method. 3207 */ 3208 @Override 3209 public InputMethodSubtype getCurrentInputMethodSubtype() { 3210 // TODO: Make this work even for non-current users? 3211 if (!calledFromValidUser()) { 3212 return null; 3213 } 3214 synchronized (mMethodMap) { 3215 return getCurrentInputMethodSubtypeLocked(); 3216 } 3217 } 3218 3219 private InputMethodSubtype getCurrentInputMethodSubtypeLocked() { 3220 if (mCurMethodId == null) { 3221 return null; 3222 } 3223 final boolean subtypeIsSelected = mSettings.isSubtypeSelected(); 3224 final InputMethodInfo imi = mMethodMap.get(mCurMethodId); 3225 if (imi == null || imi.getSubtypeCount() == 0) { 3226 return null; 3227 } 3228 if (!subtypeIsSelected || mCurrentSubtype == null 3229 || !InputMethodUtils.isValidSubtypeId(imi, mCurrentSubtype.hashCode())) { 3230 int subtypeId = mSettings.getSelectedInputMethodSubtypeId(mCurMethodId); 3231 if (subtypeId == NOT_A_SUBTYPE_ID) { 3232 // If there are no selected subtypes, the framework will try to find 3233 // the most applicable subtype from explicitly or implicitly enabled 3234 // subtypes. 3235 List<InputMethodSubtype> explicitlyOrImplicitlyEnabledSubtypes = 3236 mSettings.getEnabledInputMethodSubtypeListLocked(mContext, imi, true); 3237 // If there is only one explicitly or implicitly enabled subtype, 3238 // just returns it. 3239 if (explicitlyOrImplicitlyEnabledSubtypes.size() == 1) { 3240 mCurrentSubtype = explicitlyOrImplicitlyEnabledSubtypes.get(0); 3241 } else if (explicitlyOrImplicitlyEnabledSubtypes.size() > 1) { 3242 mCurrentSubtype = InputMethodUtils.findLastResortApplicableSubtypeLocked( 3243 mRes, explicitlyOrImplicitlyEnabledSubtypes, 3244 InputMethodUtils.SUBTYPE_MODE_KEYBOARD, null, true); 3245 if (mCurrentSubtype == null) { 3246 mCurrentSubtype = InputMethodUtils.findLastResortApplicableSubtypeLocked( 3247 mRes, explicitlyOrImplicitlyEnabledSubtypes, null, null, 3248 true); 3249 } 3250 } 3251 } else { 3252 mCurrentSubtype = InputMethodUtils.getSubtypes(imi).get(subtypeId); 3253 } 3254 } 3255 return mCurrentSubtype; 3256 } 3257 3258 private void addShortcutInputMethodAndSubtypes(InputMethodInfo imi, 3259 InputMethodSubtype subtype) { 3260 if (mShortcutInputMethodsAndSubtypes.containsKey(imi)) { 3261 mShortcutInputMethodsAndSubtypes.get(imi).add(subtype); 3262 } else { 3263 ArrayList<InputMethodSubtype> subtypes = new ArrayList<InputMethodSubtype>(); 3264 subtypes.add(subtype); 3265 mShortcutInputMethodsAndSubtypes.put(imi, subtypes); 3266 } 3267 } 3268 3269 // TODO: We should change the return type from List to List<Parcelable> 3270 @SuppressWarnings("rawtypes") 3271 @Override 3272 public List getShortcutInputMethodsAndSubtypes() { 3273 synchronized (mMethodMap) { 3274 ArrayList<Object> ret = new ArrayList<Object>(); 3275 if (mShortcutInputMethodsAndSubtypes.size() == 0) { 3276 // If there are no selected shortcut subtypes, the framework will try to find 3277 // the most applicable subtype from all subtypes whose mode is 3278 // SUBTYPE_MODE_VOICE. This is an exceptional case, so we will hardcode the mode. 3279 Pair<InputMethodInfo, InputMethodSubtype> info = 3280 findLastResortApplicableShortcutInputMethodAndSubtypeLocked( 3281 InputMethodUtils.SUBTYPE_MODE_VOICE); 3282 if (info != null) { 3283 ret.add(info.first); 3284 ret.add(info.second); 3285 } 3286 return ret; 3287 } 3288 for (InputMethodInfo imi: mShortcutInputMethodsAndSubtypes.keySet()) { 3289 ret.add(imi); 3290 for (InputMethodSubtype subtype: mShortcutInputMethodsAndSubtypes.get(imi)) { 3291 ret.add(subtype); 3292 } 3293 } 3294 return ret; 3295 } 3296 } 3297 3298 @Override 3299 public boolean setCurrentInputMethodSubtype(InputMethodSubtype subtype) { 3300 // TODO: Make this work even for non-current users? 3301 if (!calledFromValidUser()) { 3302 return false; 3303 } 3304 synchronized (mMethodMap) { 3305 if (subtype != null && mCurMethodId != null) { 3306 InputMethodInfo imi = mMethodMap.get(mCurMethodId); 3307 int subtypeId = InputMethodUtils.getSubtypeIdFromHashCode(imi, subtype.hashCode()); 3308 if (subtypeId != NOT_A_SUBTYPE_ID) { 3309 setInputMethodLocked(mCurMethodId, subtypeId); 3310 return true; 3311 } 3312 } 3313 return false; 3314 } 3315 } 3316 3317 // TODO: Cache the state for each user and reset when the cached user is removed. 3318 private static class InputMethodFileManager { 3319 private static final String SYSTEM_PATH = "system"; 3320 private static final String INPUT_METHOD_PATH = "inputmethod"; 3321 private static final String ADDITIONAL_SUBTYPES_FILE_NAME = "subtypes.xml"; 3322 private static final String NODE_SUBTYPES = "subtypes"; 3323 private static final String NODE_SUBTYPE = "subtype"; 3324 private static final String NODE_IMI = "imi"; 3325 private static final String ATTR_ID = "id"; 3326 private static final String ATTR_LABEL = "label"; 3327 private static final String ATTR_ICON = "icon"; 3328 private static final String ATTR_IME_SUBTYPE_LOCALE = "imeSubtypeLocale"; 3329 private static final String ATTR_IME_SUBTYPE_MODE = "imeSubtypeMode"; 3330 private static final String ATTR_IME_SUBTYPE_EXTRA_VALUE = "imeSubtypeExtraValue"; 3331 private static final String ATTR_IS_AUXILIARY = "isAuxiliary"; 3332 private final AtomicFile mAdditionalInputMethodSubtypeFile; 3333 private final HashMap<String, InputMethodInfo> mMethodMap; 3334 private final HashMap<String, List<InputMethodSubtype>> mAdditionalSubtypesMap = 3335 new HashMap<String, List<InputMethodSubtype>>(); 3336 public InputMethodFileManager(HashMap<String, InputMethodInfo> methodMap, int userId) { 3337 if (methodMap == null) { 3338 throw new NullPointerException("methodMap is null"); 3339 } 3340 mMethodMap = methodMap; 3341 final File systemDir = userId == UserHandle.USER_OWNER 3342 ? new File(Environment.getDataDirectory(), SYSTEM_PATH) 3343 : Environment.getUserSystemDirectory(userId); 3344 final File inputMethodDir = new File(systemDir, INPUT_METHOD_PATH); 3345 if (!inputMethodDir.mkdirs()) { 3346 Slog.w(TAG, "Couldn't create dir.: " + inputMethodDir.getAbsolutePath()); 3347 } 3348 final File subtypeFile = new File(inputMethodDir, ADDITIONAL_SUBTYPES_FILE_NAME); 3349 mAdditionalInputMethodSubtypeFile = new AtomicFile(subtypeFile); 3350 if (!subtypeFile.exists()) { 3351 // If "subtypes.xml" doesn't exist, create a blank file. 3352 writeAdditionalInputMethodSubtypes( 3353 mAdditionalSubtypesMap, mAdditionalInputMethodSubtypeFile, methodMap); 3354 } else { 3355 readAdditionalInputMethodSubtypes( 3356 mAdditionalSubtypesMap, mAdditionalInputMethodSubtypeFile); 3357 } 3358 } 3359 3360 private void deleteAllInputMethodSubtypes(String imiId) { 3361 synchronized (mMethodMap) { 3362 mAdditionalSubtypesMap.remove(imiId); 3363 writeAdditionalInputMethodSubtypes( 3364 mAdditionalSubtypesMap, mAdditionalInputMethodSubtypeFile, mMethodMap); 3365 } 3366 } 3367 3368 public void addInputMethodSubtypes( 3369 InputMethodInfo imi, InputMethodSubtype[] additionalSubtypes) { 3370 synchronized (mMethodMap) { 3371 final ArrayList<InputMethodSubtype> subtypes = new ArrayList<InputMethodSubtype>(); 3372 final int N = additionalSubtypes.length; 3373 for (int i = 0; i < N; ++i) { 3374 final InputMethodSubtype subtype = additionalSubtypes[i]; 3375 if (!subtypes.contains(subtype)) { 3376 subtypes.add(subtype); 3377 } else { 3378 Slog.w(TAG, "Duplicated subtype definition found: " 3379 + subtype.getLocale() + ", " + subtype.getMode()); 3380 } 3381 } 3382 mAdditionalSubtypesMap.put(imi.getId(), subtypes); 3383 writeAdditionalInputMethodSubtypes( 3384 mAdditionalSubtypesMap, mAdditionalInputMethodSubtypeFile, mMethodMap); 3385 } 3386 } 3387 3388 public HashMap<String, List<InputMethodSubtype>> getAllAdditionalInputMethodSubtypes() { 3389 synchronized (mMethodMap) { 3390 return mAdditionalSubtypesMap; 3391 } 3392 } 3393 3394 private static void writeAdditionalInputMethodSubtypes( 3395 HashMap<String, List<InputMethodSubtype>> allSubtypes, AtomicFile subtypesFile, 3396 HashMap<String, InputMethodInfo> methodMap) { 3397 // Safety net for the case that this function is called before methodMap is set. 3398 final boolean isSetMethodMap = methodMap != null && methodMap.size() > 0; 3399 FileOutputStream fos = null; 3400 try { 3401 fos = subtypesFile.startWrite(); 3402 final XmlSerializer out = new FastXmlSerializer(); 3403 out.setOutput(fos, "utf-8"); 3404 out.startDocument(null, true); 3405 out.setFeature("http://xmlpull.org/v1/doc/features.html#indent-output", true); 3406 out.startTag(null, NODE_SUBTYPES); 3407 for (String imiId : allSubtypes.keySet()) { 3408 if (isSetMethodMap && !methodMap.containsKey(imiId)) { 3409 Slog.w(TAG, "IME uninstalled or not valid.: " + imiId); 3410 continue; 3411 } 3412 out.startTag(null, NODE_IMI); 3413 out.attribute(null, ATTR_ID, imiId); 3414 final List<InputMethodSubtype> subtypesList = allSubtypes.get(imiId); 3415 final int N = subtypesList.size(); 3416 for (int i = 0; i < N; ++i) { 3417 final InputMethodSubtype subtype = subtypesList.get(i); 3418 out.startTag(null, NODE_SUBTYPE); 3419 out.attribute(null, ATTR_ICON, String.valueOf(subtype.getIconResId())); 3420 out.attribute(null, ATTR_LABEL, String.valueOf(subtype.getNameResId())); 3421 out.attribute(null, ATTR_IME_SUBTYPE_LOCALE, subtype.getLocale()); 3422 out.attribute(null, ATTR_IME_SUBTYPE_MODE, subtype.getMode()); 3423 out.attribute(null, ATTR_IME_SUBTYPE_EXTRA_VALUE, subtype.getExtraValue()); 3424 out.attribute(null, ATTR_IS_AUXILIARY, 3425 String.valueOf(subtype.isAuxiliary() ? 1 : 0)); 3426 out.endTag(null, NODE_SUBTYPE); 3427 } 3428 out.endTag(null, NODE_IMI); 3429 } 3430 out.endTag(null, NODE_SUBTYPES); 3431 out.endDocument(); 3432 subtypesFile.finishWrite(fos); 3433 } catch (java.io.IOException e) { 3434 Slog.w(TAG, "Error writing subtypes", e); 3435 if (fos != null) { 3436 subtypesFile.failWrite(fos); 3437 } 3438 } 3439 } 3440 3441 private static void readAdditionalInputMethodSubtypes( 3442 HashMap<String, List<InputMethodSubtype>> allSubtypes, AtomicFile subtypesFile) { 3443 if (allSubtypes == null || subtypesFile == null) return; 3444 allSubtypes.clear(); 3445 FileInputStream fis = null; 3446 try { 3447 fis = subtypesFile.openRead(); 3448 final XmlPullParser parser = Xml.newPullParser(); 3449 parser.setInput(fis, null); 3450 int type = parser.getEventType(); 3451 // Skip parsing until START_TAG 3452 while ((type = parser.next()) != XmlPullParser.START_TAG 3453 && type != XmlPullParser.END_DOCUMENT) {} 3454 String firstNodeName = parser.getName(); 3455 if (!NODE_SUBTYPES.equals(firstNodeName)) { 3456 throw new XmlPullParserException("Xml doesn't start with subtypes"); 3457 } 3458 final int depth =parser.getDepth(); 3459 String currentImiId = null; 3460 ArrayList<InputMethodSubtype> tempSubtypesArray = null; 3461 while (((type = parser.next()) != XmlPullParser.END_TAG 3462 || parser.getDepth() > depth) && type != XmlPullParser.END_DOCUMENT) { 3463 if (type != XmlPullParser.START_TAG) 3464 continue; 3465 final String nodeName = parser.getName(); 3466 if (NODE_IMI.equals(nodeName)) { 3467 currentImiId = parser.getAttributeValue(null, ATTR_ID); 3468 if (TextUtils.isEmpty(currentImiId)) { 3469 Slog.w(TAG, "Invalid imi id found in subtypes.xml"); 3470 continue; 3471 } 3472 tempSubtypesArray = new ArrayList<InputMethodSubtype>(); 3473 allSubtypes.put(currentImiId, tempSubtypesArray); 3474 } else if (NODE_SUBTYPE.equals(nodeName)) { 3475 if (TextUtils.isEmpty(currentImiId) || tempSubtypesArray == null) { 3476 Slog.w(TAG, "IME uninstalled or not valid.: " + currentImiId); 3477 continue; 3478 } 3479 final int icon = Integer.valueOf( 3480 parser.getAttributeValue(null, ATTR_ICON)); 3481 final int label = Integer.valueOf( 3482 parser.getAttributeValue(null, ATTR_LABEL)); 3483 final String imeSubtypeLocale = 3484 parser.getAttributeValue(null, ATTR_IME_SUBTYPE_LOCALE); 3485 final String imeSubtypeMode = 3486 parser.getAttributeValue(null, ATTR_IME_SUBTYPE_MODE); 3487 final String imeSubtypeExtraValue = 3488 parser.getAttributeValue(null, ATTR_IME_SUBTYPE_EXTRA_VALUE); 3489 final boolean isAuxiliary = "1".equals(String.valueOf( 3490 parser.getAttributeValue(null, ATTR_IS_AUXILIARY))); 3491 final InputMethodSubtype subtype = new InputMethodSubtypeBuilder() 3492 .setSubtypeNameResId(label) 3493 .setSubtypeIconResId(icon) 3494 .setSubtypeLocale(imeSubtypeLocale) 3495 .setSubtypeMode(imeSubtypeMode) 3496 .setSubtypeExtraValue(imeSubtypeExtraValue) 3497 .setIsAuxiliary(isAuxiliary) 3498 .build(); 3499 tempSubtypesArray.add(subtype); 3500 } 3501 } 3502 } catch (XmlPullParserException e) { 3503 Slog.w(TAG, "Error reading subtypes: " + e); 3504 return; 3505 } catch (java.io.IOException e) { 3506 Slog.w(TAG, "Error reading subtypes: " + e); 3507 return; 3508 } catch (NumberFormatException e) { 3509 Slog.w(TAG, "Error reading subtypes: " + e); 3510 return; 3511 } finally { 3512 if (fis != null) { 3513 try { 3514 fis.close(); 3515 } catch (java.io.IOException e1) { 3516 Slog.w(TAG, "Failed to close."); 3517 } 3518 } 3519 } 3520 } 3521 } 3522 3523 @Override 3524 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 3525 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 3526 != PackageManager.PERMISSION_GRANTED) { 3527 3528 pw.println("Permission Denial: can't dump InputMethodManager from from pid=" 3529 + Binder.getCallingPid() 3530 + ", uid=" + Binder.getCallingUid()); 3531 return; 3532 } 3533 3534 IInputMethod method; 3535 ClientState client; 3536 3537 final Printer p = new PrintWriterPrinter(pw); 3538 3539 synchronized (mMethodMap) { 3540 p.println("Current Input Method Manager state:"); 3541 int N = mMethodList.size(); 3542 p.println(" Input Methods:"); 3543 for (int i=0; i<N; i++) { 3544 InputMethodInfo info = mMethodList.get(i); 3545 p.println(" InputMethod #" + i + ":"); 3546 info.dump(p, " "); 3547 } 3548 p.println(" Clients:"); 3549 for (ClientState ci : mClients.values()) { 3550 p.println(" Client " + ci + ":"); 3551 p.println(" client=" + ci.client); 3552 p.println(" inputContext=" + ci.inputContext); 3553 p.println(" sessionRequested=" + ci.sessionRequested); 3554 p.println(" curSession=" + ci.curSession); 3555 } 3556 p.println(" mCurMethodId=" + mCurMethodId); 3557 client = mCurClient; 3558 p.println(" mCurClient=" + client + " mCurSeq=" + mCurSeq); 3559 p.println(" mCurFocusedWindow=" + mCurFocusedWindow); 3560 p.println(" mCurId=" + mCurId + " mHaveConnect=" + mHaveConnection 3561 + " mBoundToMethod=" + mBoundToMethod); 3562 p.println(" mCurToken=" + mCurToken); 3563 p.println(" mCurIntent=" + mCurIntent); 3564 method = mCurMethod; 3565 p.println(" mCurMethod=" + mCurMethod); 3566 p.println(" mEnabledSession=" + mEnabledSession); 3567 p.println(" mShowRequested=" + mShowRequested 3568 + " mShowExplicitlyRequested=" + mShowExplicitlyRequested 3569 + " mShowForced=" + mShowForced 3570 + " mInputShown=" + mInputShown); 3571 p.println(" mCurUserActionNotificationSequenceNumber=" 3572 + mCurUserActionNotificationSequenceNumber); 3573 p.println(" mSystemReady=" + mSystemReady + " mInteractive=" + mScreenOn); 3574 } 3575 3576 p.println(" "); 3577 if (client != null) { 3578 pw.flush(); 3579 try { 3580 client.client.asBinder().dump(fd, args); 3581 } catch (RemoteException e) { 3582 p.println("Input method client dead: " + e); 3583 } 3584 } else { 3585 p.println("No input method client."); 3586 } 3587 3588 p.println(" "); 3589 if (method != null) { 3590 pw.flush(); 3591 try { 3592 method.asBinder().dump(fd, args); 3593 } catch (RemoteException e) { 3594 p.println("Input method service dead: " + e); 3595 } 3596 } else { 3597 p.println("No input method service."); 3598 } 3599 } 3600} 3601