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 16 package com.android.server; 17 18 import com.android.internal.content.PackageMonitor; 19 import com.android.internal.inputmethod.InputMethodSubtypeSwitchingController; 20 import com.android.internal.inputmethod.InputMethodSubtypeSwitchingController.ImeSubtypeListItem; 21 import com.android.internal.inputmethod.InputMethodUtils; 22 import com.android.internal.inputmethod.InputMethodUtils.InputMethodSettings; 23 import com.android.internal.os.HandlerCaller; 24 import com.android.internal.os.SomeArgs; 25 import com.android.internal.util.FastXmlSerializer; 26 import com.android.internal.view.IInputContext; 27 import com.android.internal.view.IInputMethod; 28 import com.android.internal.view.IInputSessionCallback; 29 import com.android.internal.view.IInputMethodClient; 30 import com.android.internal.view.IInputMethodManager; 31 import com.android.internal.view.IInputMethodSession; 32 import com.android.internal.view.InputBindResult; 33 import com.android.server.statusbar.StatusBarManagerService; 34 import com.android.server.wm.WindowManagerService; 35 36 import org.xmlpull.v1.XmlPullParser; 37 import org.xmlpull.v1.XmlPullParserException; 38 import org.xmlpull.v1.XmlSerializer; 39 40 import android.app.ActivityManagerNative; 41 import android.app.AppGlobals; 42 import android.app.AlertDialog; 43 import android.app.AppOpsManager; 44 import android.app.IUserSwitchObserver; 45 import android.app.KeyguardManager; 46 import android.app.Notification; 47 import android.app.NotificationManager; 48 import android.app.PendingIntent; 49 import android.content.BroadcastReceiver; 50 import android.content.ComponentName; 51 import android.content.ContentResolver; 52 import android.content.Context; 53 import android.content.DialogInterface; 54 import android.content.DialogInterface.OnCancelListener; 55 import android.content.DialogInterface.OnClickListener; 56 import android.content.Intent; 57 import android.content.IntentFilter; 58 import android.content.ServiceConnection; 59 import android.content.pm.ApplicationInfo; 60 import android.content.pm.IPackageManager; 61 import android.content.pm.PackageManager; 62 import android.content.pm.ResolveInfo; 63 import android.content.pm.ServiceInfo; 64 import android.content.pm.UserInfo; 65 import android.content.res.Configuration; 66 import android.content.res.Resources; 67 import android.content.res.TypedArray; 68 import android.database.ContentObserver; 69 import android.graphics.drawable.Drawable; 70 import android.inputmethodservice.InputMethodService; 71 import android.net.Uri; 72 import android.os.Binder; 73 import android.os.Environment; 74 import android.os.Handler; 75 import android.os.IBinder; 76 import android.os.IInterface; 77 import android.os.IRemoteCallback; 78 import android.os.Message; 79 import android.os.Process; 80 import android.os.Parcel; 81 import android.os.RemoteException; 82 import android.os.ResultReceiver; 83 import android.os.ServiceManager; 84 import android.os.SystemClock; 85 import android.os.UserHandle; 86 import android.os.UserManager; 87 import android.provider.Settings; 88 import android.text.TextUtils; 89 import android.text.style.SuggestionSpan; 90 import android.util.AtomicFile; 91 import android.util.EventLog; 92 import android.util.LruCache; 93 import android.util.Pair; 94 import android.util.PrintWriterPrinter; 95 import android.util.Printer; 96 import android.util.Slog; 97 import android.util.Xml; 98 import android.view.ContextThemeWrapper; 99 import android.view.IWindowManager; 100 import android.view.InputChannel; 101 import android.view.LayoutInflater; 102 import android.view.View; 103 import android.view.ViewGroup; 104 import android.view.WindowManager; 105 import android.view.inputmethod.EditorInfo; 106 import android.view.inputmethod.InputBinding; 107 import android.view.inputmethod.InputMethod; 108 import android.view.inputmethod.InputMethodInfo; 109 import android.view.inputmethod.InputMethodManager; 110 import android.view.inputmethod.InputMethodSubtype; 111 import android.view.inputmethod.InputMethodSubtype.InputMethodSubtypeBuilder; 112 import android.widget.ArrayAdapter; 113 import android.widget.CompoundButton; 114 import android.widget.CompoundButton.OnCheckedChangeListener; 115 import android.widget.RadioButton; 116 import android.widget.Switch; 117 import android.widget.TextView; 118 119 import java.io.File; 120 import java.io.FileDescriptor; 121 import java.io.FileInputStream; 122 import java.io.FileOutputStream; 123 import java.io.IOException; 124 import java.io.PrintWriter; 125 import java.util.ArrayList; 126 import java.util.Collections; 127 import java.util.HashMap; 128 import java.util.List; 129 import java.util.Locale; 130 131 /** 132 * This class provides a system service that manages input methods. 133 */ 134 public 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) { 768 if (InputMethodUtils.isValidSystemDefaultIme( 769 mSystemReady, imi, context)) { 770 defIm = imi; 771 Slog.i(TAG, "Selected default: " + imi.getId()); 772 } 773 } 774 } 775 if (defIm == null && mMethodList.size() > 0) { 776 defIm = InputMethodUtils.getMostApplicableDefaultIME( 777 mSettings.getEnabledInputMethodListLocked()); 778 if (defIm != null) { 779 Slog.i(TAG, "Default found, using " + defIm.getId()); 780 } else { 781 Slog.i(TAG, "No default found"); 782 } 783 } 784 if (defIm != null) { 785 setSelectedInputMethodAndSubtypeLocked(defIm, NOT_A_SUBTYPE_ID, false); 786 } 787 } 788 789 private void resetAllInternalStateLocked(final boolean updateOnlyWhenLocaleChanged, 790 final boolean resetDefaultEnabledIme) { 791 if (!mSystemReady) { 792 // not system ready 793 return; 794 } 795 final Locale newLocale = mRes.getConfiguration().locale; 796 if (!updateOnlyWhenLocaleChanged 797 || (newLocale != null && !newLocale.equals(mLastSystemLocale))) { 798 if (!updateOnlyWhenLocaleChanged) { 799 hideCurrentInputLocked(0, null); 800 mCurMethodId = null; 801 unbindCurrentMethodLocked(true, false); 802 } 803 if (DEBUG) { 804 Slog.i(TAG, "Locale has been changed to " + newLocale); 805 } 806 buildInputMethodListLocked(mMethodList, mMethodMap, resetDefaultEnabledIme); 807 if (!updateOnlyWhenLocaleChanged) { 808 final String selectedImiId = mSettings.getSelectedInputMethod(); 809 if (TextUtils.isEmpty(selectedImiId)) { 810 // This is the first time of the user switch and 811 // set the current ime to the proper one. 812 resetDefaultImeLocked(mContext); 813 } 814 } else { 815 // If the locale is changed, needs to reset the default ime 816 resetDefaultImeLocked(mContext); 817 } 818 updateFromSettingsLocked(true); 819 mLastSystemLocale = newLocale; 820 if (!updateOnlyWhenLocaleChanged) { 821 try { 822 startInputInnerLocked(); 823 } catch (RuntimeException e) { 824 Slog.w(TAG, "Unexpected exception", e); 825 } 826 } 827 } 828 } 829 830 private void resetStateIfCurrentLocaleChangedLocked() { 831 resetAllInternalStateLocked(true /* updateOnlyWhenLocaleChanged */, 832 true /* resetDefaultImeLocked */); 833 } 834 835 private void switchUserLocked(int newUserId) { 836 mSettings.setCurrentUserId(newUserId); 837 updateCurrentProfileIds(); 838 // InputMethodFileManager should be reset when the user is changed 839 mFileManager = new InputMethodFileManager(mMethodMap, newUserId); 840 final String defaultImiId = mSettings.getSelectedInputMethod(); 841 // For secondary users, the list of enabled IMEs may not have been updated since the 842 // callbacks to PackageMonitor are ignored for the secondary user. Here, defaultImiId may 843 // not be empty even if the IME has been uninstalled by the primary user. 844 // Even in such cases, IMMS works fine because it will find the most applicable 845 // IME for that user. 846 final boolean initialUserSwitch = TextUtils.isEmpty(defaultImiId); 847 if (DEBUG) { 848 Slog.d(TAG, "Switch user: " + newUserId + " current ime = " + defaultImiId); 849 } 850 resetAllInternalStateLocked(false /* updateOnlyWhenLocaleChanged */, 851 initialUserSwitch /* needsToResetDefaultIme */); 852 if (initialUserSwitch) { 853 InputMethodUtils.setNonSelectedSystemImesDisabledUntilUsed(mContext.getPackageManager(), 854 mSettings.getEnabledInputMethodListLocked()); 855 } 856 } 857 858 void updateCurrentProfileIds() { 859 List<UserInfo> profiles = 860 UserManager.get(mContext).getProfiles(mSettings.getCurrentUserId()); 861 int[] currentProfileIds = new int[profiles.size()]; // profiles will not be null 862 for (int i = 0; i < currentProfileIds.length; i++) { 863 currentProfileIds[i] = profiles.get(i).id; 864 } 865 mSettings.setCurrentProfileIds(currentProfileIds); 866 } 867 868 @Override 869 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 870 throws RemoteException { 871 try { 872 return super.onTransact(code, data, reply, flags); 873 } catch (RuntimeException e) { 874 // The input method manager only throws security exceptions, so let's 875 // log all others. 876 if (!(e instanceof SecurityException)) { 877 Slog.wtf(TAG, "Input Method Manager Crash", e); 878 } 879 throw e; 880 } 881 } 882 883 public void systemRunning(StatusBarManagerService statusBar) { 884 synchronized (mMethodMap) { 885 if (DEBUG) { 886 Slog.d(TAG, "--- systemReady"); 887 } 888 if (!mSystemReady) { 889 mSystemReady = true; 890 mKeyguardManager = 891 (KeyguardManager) mContext.getSystemService(Context.KEYGUARD_SERVICE); 892 mNotificationManager = (NotificationManager) 893 mContext.getSystemService(Context.NOTIFICATION_SERVICE); 894 mStatusBar = statusBar; 895 statusBar.setIconVisibility("ime", false); 896 updateImeWindowStatusLocked(); 897 mShowOngoingImeSwitcherForPhones = mRes.getBoolean( 898 com.android.internal.R.bool.show_ongoing_ime_switcher); 899 if (mShowOngoingImeSwitcherForPhones) { 900 mWindowManagerService.setOnHardKeyboardStatusChangeListener( 901 mHardKeyboardListener); 902 } 903 buildInputMethodListLocked(mMethodList, mMethodMap, 904 !mImeSelectedOnBoot /* resetDefaultEnabledIme */); 905 if (!mImeSelectedOnBoot) { 906 Slog.w(TAG, "Reset the default IME as \"Resource\" is ready here."); 907 resetStateIfCurrentLocaleChangedLocked(); 908 InputMethodUtils.setNonSelectedSystemImesDisabledUntilUsed( 909 mContext.getPackageManager(), 910 mSettings.getEnabledInputMethodListLocked()); 911 } 912 mLastSystemLocale = mRes.getConfiguration().locale; 913 try { 914 startInputInnerLocked(); 915 } catch (RuntimeException e) { 916 Slog.w(TAG, "Unexpected exception", e); 917 } 918 } 919 } 920 } 921 922 private void setImeWindowVisibilityStatusHiddenLocked() { 923 mImeWindowVis = 0; 924 updateImeWindowStatusLocked(); 925 } 926 927 private void refreshImeWindowVisibilityLocked() { 928 final Configuration conf = mRes.getConfiguration(); 929 final boolean haveHardKeyboard = conf.keyboard 930 != Configuration.KEYBOARD_NOKEYS; 931 final boolean hardKeyShown = haveHardKeyboard 932 && conf.hardKeyboardHidden 933 != Configuration.HARDKEYBOARDHIDDEN_YES; 934 935 final boolean isScreenLocked = isKeyguardLocked(); 936 final boolean inputActive = !isScreenLocked && (mInputShown || hardKeyShown); 937 // We assume the softkeyboard is shown when the input is active as long as the 938 // hard keyboard is not shown. 939 final boolean inputVisible = inputActive && !hardKeyShown; 940 mImeWindowVis = (inputActive ? InputMethodService.IME_ACTIVE : 0) 941 | (inputVisible ? InputMethodService.IME_VISIBLE : 0); 942 updateImeWindowStatusLocked(); 943 } 944 945 private void updateImeWindowStatusLocked() { 946 setImeWindowStatus(mCurToken, mImeWindowVis, mBackDisposition); 947 } 948 949 // --------------------------------------------------------------------------------------- 950 // Check whether or not this is a valid IPC. Assumes an IPC is valid when either 951 // 1) it comes from the system process 952 // 2) the calling process' user id is identical to the current user id IMMS thinks. 953 private boolean calledFromValidUser() { 954 final int uid = Binder.getCallingUid(); 955 final int userId = UserHandle.getUserId(uid); 956 if (DEBUG) { 957 Slog.d(TAG, "--- calledFromForegroundUserOrSystemProcess ? " 958 + "calling uid = " + uid + " system uid = " + Process.SYSTEM_UID 959 + " calling userId = " + userId + ", foreground user id = " 960 + mSettings.getCurrentUserId() + ", calling pid = " + Binder.getCallingPid() 961 + InputMethodUtils.getApiCallStack()); 962 } 963 if (uid == Process.SYSTEM_UID || mSettings.isCurrentProfile(userId)) { 964 return true; 965 } 966 967 // Caveat: A process which has INTERACT_ACROSS_USERS_FULL gets results for the 968 // foreground user, not for the user of that process. Accordingly InputMethodManagerService 969 // must not manage background users' states in any functions. 970 // Note that privacy-sensitive IPCs, such as setInputMethod, are still securely guarded 971 // by a token. 972 if (mContext.checkCallingOrSelfPermission( 973 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL) 974 == PackageManager.PERMISSION_GRANTED) { 975 if (DEBUG) { 976 Slog.d(TAG, "--- Access granted because the calling process has " 977 + "the INTERACT_ACROSS_USERS_FULL permission"); 978 } 979 return true; 980 } 981 Slog.w(TAG, "--- IPC called from background users. Ignore. \n" 982 + InputMethodUtils.getStackTrace()); 983 return false; 984 } 985 986 987 /** 988 * Returns true iff the caller is identified to be the current input method with the token. 989 * @param token The window token given to the input method when it was started. 990 * @return true if and only if non-null valid token is specified. 991 */ 992 private boolean calledWithValidToken(IBinder token) { 993 if (token == null || mCurToken != token) { 994 return false; 995 } 996 return true; 997 } 998 999 private boolean bindCurrentInputMethodService( 1000 Intent service, ServiceConnection conn, int flags) { 1001 if (service == null || conn == null) { 1002 Slog.e(TAG, "--- bind failed: service = " + service + ", conn = " + conn); 1003 return false; 1004 } 1005 return mContext.bindServiceAsUser(service, conn, flags, 1006 new UserHandle(mSettings.getCurrentUserId())); 1007 } 1008 1009 @Override 1010 public List<InputMethodInfo> getInputMethodList() { 1011 // TODO: Make this work even for non-current users? 1012 if (!calledFromValidUser()) { 1013 return Collections.emptyList(); 1014 } 1015 synchronized (mMethodMap) { 1016 return new ArrayList<InputMethodInfo>(mMethodList); 1017 } 1018 } 1019 1020 @Override 1021 public List<InputMethodInfo> getEnabledInputMethodList() { 1022 // TODO: Make this work even for non-current users? 1023 if (!calledFromValidUser()) { 1024 return Collections.emptyList(); 1025 } 1026 synchronized (mMethodMap) { 1027 return mSettings.getEnabledInputMethodListLocked(); 1028 } 1029 } 1030 1031 /** 1032 * @param imiId if null, returns enabled subtypes for the current imi 1033 * @return enabled subtypes of the specified imi 1034 */ 1035 @Override 1036 public List<InputMethodSubtype> getEnabledInputMethodSubtypeList(String imiId, 1037 boolean allowsImplicitlySelectedSubtypes) { 1038 // TODO: Make this work even for non-current users? 1039 if (!calledFromValidUser()) { 1040 return Collections.<InputMethodSubtype>emptyList(); 1041 } 1042 synchronized (mMethodMap) { 1043 final InputMethodInfo imi; 1044 if (imiId == null && mCurMethodId != null) { 1045 imi = mMethodMap.get(mCurMethodId); 1046 } else { 1047 imi = mMethodMap.get(imiId); 1048 } 1049 if (imi == null) { 1050 return Collections.<InputMethodSubtype>emptyList(); 1051 } 1052 return mSettings.getEnabledInputMethodSubtypeListLocked( 1053 mContext, imi, allowsImplicitlySelectedSubtypes); 1054 } 1055 } 1056 1057 @Override 1058 public void addClient(IInputMethodClient client, 1059 IInputContext inputContext, int uid, int pid) { 1060 if (!calledFromValidUser()) { 1061 return; 1062 } 1063 synchronized (mMethodMap) { 1064 mClients.put(client.asBinder(), new ClientState(client, 1065 inputContext, uid, pid)); 1066 } 1067 } 1068 1069 @Override 1070 public void removeClient(IInputMethodClient client) { 1071 if (!calledFromValidUser()) { 1072 return; 1073 } 1074 synchronized (mMethodMap) { 1075 ClientState cs = mClients.remove(client.asBinder()); 1076 if (cs != null) { 1077 clearClientSessionLocked(cs); 1078 } 1079 } 1080 } 1081 1082 void executeOrSendMessage(IInterface target, Message msg) { 1083 if (target.asBinder() instanceof Binder) { 1084 mCaller.sendMessage(msg); 1085 } else { 1086 handleMessage(msg); 1087 msg.recycle(); 1088 } 1089 } 1090 1091 void unbindCurrentClientLocked() { 1092 if (mCurClient != null) { 1093 if (DEBUG) Slog.v(TAG, "unbindCurrentInputLocked: client = " 1094 + mCurClient.client.asBinder()); 1095 if (mBoundToMethod) { 1096 mBoundToMethod = false; 1097 if (mCurMethod != null) { 1098 executeOrSendMessage(mCurMethod, mCaller.obtainMessageO( 1099 MSG_UNBIND_INPUT, mCurMethod)); 1100 } 1101 } 1102 1103 executeOrSendMessage(mCurClient.client, mCaller.obtainMessageIO( 1104 MSG_SET_ACTIVE, 0, mCurClient)); 1105 executeOrSendMessage(mCurClient.client, mCaller.obtainMessageIO( 1106 MSG_UNBIND_METHOD, mCurSeq, mCurClient.client)); 1107 mCurClient.sessionRequested = false; 1108 mCurClient = null; 1109 1110 hideInputMethodMenuLocked(); 1111 } 1112 } 1113 1114 private int getImeShowFlags() { 1115 int flags = 0; 1116 if (mShowForced) { 1117 flags |= InputMethod.SHOW_FORCED 1118 | InputMethod.SHOW_EXPLICIT; 1119 } else if (mShowExplicitlyRequested) { 1120 flags |= InputMethod.SHOW_EXPLICIT; 1121 } 1122 return flags; 1123 } 1124 1125 private int getAppShowFlags() { 1126 int flags = 0; 1127 if (mShowForced) { 1128 flags |= InputMethodManager.SHOW_FORCED; 1129 } else if (!mShowExplicitlyRequested) { 1130 flags |= InputMethodManager.SHOW_IMPLICIT; 1131 } 1132 return flags; 1133 } 1134 1135 InputBindResult attachNewInputLocked(boolean initial) { 1136 if (!mBoundToMethod) { 1137 executeOrSendMessage(mCurMethod, mCaller.obtainMessageOO( 1138 MSG_BIND_INPUT, mCurMethod, mCurClient.binding)); 1139 mBoundToMethod = true; 1140 } 1141 final SessionState session = mCurClient.curSession; 1142 if (initial) { 1143 executeOrSendMessage(session.method, mCaller.obtainMessageOOO( 1144 MSG_START_INPUT, session, mCurInputContext, mCurAttribute)); 1145 } else { 1146 executeOrSendMessage(session.method, mCaller.obtainMessageOOO( 1147 MSG_RESTART_INPUT, session, mCurInputContext, mCurAttribute)); 1148 } 1149 if (mShowRequested) { 1150 if (DEBUG) Slog.v(TAG, "Attach new input asks to show input"); 1151 showCurrentInputLocked(getAppShowFlags(), null); 1152 } 1153 return new InputBindResult(session.session, 1154 (session.channel != null ? session.channel.dup() : null), 1155 mCurId, mCurSeq, mCurUserActionNotificationSequenceNumber); 1156 } 1157 1158 InputBindResult startInputLocked(IInputMethodClient client, 1159 IInputContext inputContext, EditorInfo attribute, int controlFlags) { 1160 // If no method is currently selected, do nothing. 1161 if (mCurMethodId == null) { 1162 return mNoBinding; 1163 } 1164 1165 ClientState cs = mClients.get(client.asBinder()); 1166 if (cs == null) { 1167 throw new IllegalArgumentException("unknown client " 1168 + client.asBinder()); 1169 } 1170 1171 try { 1172 if (!mIWindowManager.inputMethodClientHasFocus(cs.client)) { 1173 // Check with the window manager to make sure this client actually 1174 // has a window with focus. If not, reject. This is thread safe 1175 // because if the focus changes some time before or after, the 1176 // next client receiving focus that has any interest in input will 1177 // be calling through here after that change happens. 1178 Slog.w(TAG, "Starting input on non-focused client " + cs.client 1179 + " (uid=" + cs.uid + " pid=" + cs.pid + ")"); 1180 return null; 1181 } 1182 } catch (RemoteException e) { 1183 } 1184 1185 return startInputUncheckedLocked(cs, inputContext, attribute, controlFlags); 1186 } 1187 1188 InputBindResult startInputUncheckedLocked(ClientState cs, 1189 IInputContext inputContext, EditorInfo attribute, int controlFlags) { 1190 // If no method is currently selected, do nothing. 1191 if (mCurMethodId == null) { 1192 return mNoBinding; 1193 } 1194 1195 if (mCurClient != cs) { 1196 // Was the keyguard locked when switching over to the new client? 1197 mCurClientInKeyguard = isKeyguardLocked(); 1198 // If the client is changing, we need to switch over to the new 1199 // one. 1200 unbindCurrentClientLocked(); 1201 if (DEBUG) Slog.v(TAG, "switching to client: client = " 1202 + cs.client.asBinder() + " keyguard=" + mCurClientInKeyguard); 1203 1204 // If the screen is on, inform the new client it is active 1205 if (mScreenOn) { 1206 executeOrSendMessage(cs.client, mCaller.obtainMessageIO( 1207 MSG_SET_ACTIVE, mScreenOn ? 1 : 0, cs)); 1208 } 1209 } 1210 1211 // Bump up the sequence for this client and attach it. 1212 mCurSeq++; 1213 if (mCurSeq <= 0) mCurSeq = 1; 1214 mCurClient = cs; 1215 mCurInputContext = inputContext; 1216 mCurAttribute = attribute; 1217 1218 // Check if the input method is changing. 1219 if (mCurId != null && mCurId.equals(mCurMethodId)) { 1220 if (cs.curSession != null) { 1221 // Fast case: if we are already connected to the input method, 1222 // then just return it. 1223 return attachNewInputLocked( 1224 (controlFlags&InputMethodManager.CONTROL_START_INITIAL) != 0); 1225 } 1226 if (mHaveConnection) { 1227 if (mCurMethod != null) { 1228 // Return to client, and we will get back with it when 1229 // we have had a session made for it. 1230 requestClientSessionLocked(cs); 1231 return new InputBindResult(null, null, mCurId, mCurSeq, 1232 mCurUserActionNotificationSequenceNumber); 1233 } else if (SystemClock.uptimeMillis() 1234 < (mLastBindTime+TIME_TO_RECONNECT)) { 1235 // In this case we have connected to the service, but 1236 // don't yet have its interface. If it hasn't been too 1237 // long since we did the connection, we'll return to 1238 // the client and wait to get the service interface so 1239 // we can report back. If it has been too long, we want 1240 // to fall through so we can try a disconnect/reconnect 1241 // to see if we can get back in touch with the service. 1242 return new InputBindResult(null, null, mCurId, mCurSeq, 1243 mCurUserActionNotificationSequenceNumber); 1244 } else { 1245 EventLog.writeEvent(EventLogTags.IMF_FORCE_RECONNECT_IME, 1246 mCurMethodId, SystemClock.uptimeMillis()-mLastBindTime, 0); 1247 } 1248 } 1249 } 1250 1251 return startInputInnerLocked(); 1252 } 1253 1254 InputBindResult startInputInnerLocked() { 1255 if (mCurMethodId == null) { 1256 return mNoBinding; 1257 } 1258 1259 if (!mSystemReady) { 1260 // If the system is not yet ready, we shouldn't be running third 1261 // party code. 1262 return new InputBindResult(null, null, mCurMethodId, mCurSeq, 1263 mCurUserActionNotificationSequenceNumber); 1264 } 1265 1266 InputMethodInfo info = mMethodMap.get(mCurMethodId); 1267 if (info == null) { 1268 throw new IllegalArgumentException("Unknown id: " + mCurMethodId); 1269 } 1270 1271 unbindCurrentMethodLocked(false, true); 1272 1273 mCurIntent = new Intent(InputMethod.SERVICE_INTERFACE); 1274 mCurIntent.setComponent(info.getComponent()); 1275 mCurIntent.putExtra(Intent.EXTRA_CLIENT_LABEL, 1276 com.android.internal.R.string.input_method_binding_label); 1277 mCurIntent.putExtra(Intent.EXTRA_CLIENT_INTENT, PendingIntent.getActivity( 1278 mContext, 0, new Intent(Settings.ACTION_INPUT_METHOD_SETTINGS), 0)); 1279 if (bindCurrentInputMethodService(mCurIntent, this, Context.BIND_AUTO_CREATE 1280 | Context.BIND_NOT_VISIBLE | Context.BIND_NOT_FOREGROUND 1281 | Context.BIND_SHOWING_UI)) { 1282 mLastBindTime = SystemClock.uptimeMillis(); 1283 mHaveConnection = true; 1284 mCurId = info.getId(); 1285 mCurToken = new Binder(); 1286 try { 1287 if (true || DEBUG) Slog.v(TAG, "Adding window token: " + mCurToken); 1288 mIWindowManager.addWindowToken(mCurToken, 1289 WindowManager.LayoutParams.TYPE_INPUT_METHOD); 1290 } catch (RemoteException e) { 1291 } 1292 return new InputBindResult(null, null, mCurId, mCurSeq, 1293 mCurUserActionNotificationSequenceNumber); 1294 } else { 1295 mCurIntent = null; 1296 Slog.w(TAG, "Failure connecting to input method service: " 1297 + mCurIntent); 1298 } 1299 return null; 1300 } 1301 1302 @Override 1303 public InputBindResult startInput(IInputMethodClient client, 1304 IInputContext inputContext, EditorInfo attribute, int controlFlags) { 1305 if (!calledFromValidUser()) { 1306 return null; 1307 } 1308 synchronized (mMethodMap) { 1309 final long ident = Binder.clearCallingIdentity(); 1310 try { 1311 return startInputLocked(client, inputContext, attribute, controlFlags); 1312 } finally { 1313 Binder.restoreCallingIdentity(ident); 1314 } 1315 } 1316 } 1317 1318 @Override 1319 public void finishInput(IInputMethodClient client) { 1320 } 1321 1322 @Override 1323 public void onServiceConnected(ComponentName name, IBinder service) { 1324 synchronized (mMethodMap) { 1325 if (mCurIntent != null && name.equals(mCurIntent.getComponent())) { 1326 mCurMethod = IInputMethod.Stub.asInterface(service); 1327 if (mCurToken == null) { 1328 Slog.w(TAG, "Service connected without a token!"); 1329 unbindCurrentMethodLocked(false, false); 1330 return; 1331 } 1332 if (DEBUG) Slog.v(TAG, "Initiating attach with token: " + mCurToken); 1333 executeOrSendMessage(mCurMethod, mCaller.obtainMessageOO( 1334 MSG_ATTACH_TOKEN, mCurMethod, mCurToken)); 1335 if (mCurClient != null) { 1336 clearClientSessionLocked(mCurClient); 1337 requestClientSessionLocked(mCurClient); 1338 } 1339 } 1340 } 1341 } 1342 1343 void onSessionCreated(IInputMethod method, IInputMethodSession session, 1344 InputChannel channel) { 1345 synchronized (mMethodMap) { 1346 if (mCurMethod != null && method != null 1347 && mCurMethod.asBinder() == method.asBinder()) { 1348 if (mCurClient != null) { 1349 clearClientSessionLocked(mCurClient); 1350 mCurClient.curSession = new SessionState(mCurClient, 1351 method, session, channel); 1352 InputBindResult res = attachNewInputLocked(true); 1353 if (res.method != null) { 1354 executeOrSendMessage(mCurClient.client, mCaller.obtainMessageOO( 1355 MSG_BIND_METHOD, mCurClient.client, res)); 1356 } 1357 return; 1358 } 1359 } 1360 } 1361 1362 // Session abandoned. Close its associated input channel. 1363 channel.dispose(); 1364 } 1365 1366 void unbindCurrentMethodLocked(boolean reportToClient, boolean savePosition) { 1367 if (mVisibleBound) { 1368 mContext.unbindService(mVisibleConnection); 1369 mVisibleBound = false; 1370 } 1371 1372 if (mHaveConnection) { 1373 mContext.unbindService(this); 1374 mHaveConnection = false; 1375 } 1376 1377 if (mCurToken != null) { 1378 try { 1379 if (DEBUG) Slog.v(TAG, "Removing window token: " + mCurToken); 1380 if ((mImeWindowVis & InputMethodService.IME_ACTIVE) != 0 && savePosition) { 1381 // The current IME is shown. Hence an IME switch (transition) is happening. 1382 mWindowManagerService.saveLastInputMethodWindowForTransition(); 1383 } 1384 mIWindowManager.removeWindowToken(mCurToken); 1385 } catch (RemoteException e) { 1386 } 1387 mCurToken = null; 1388 } 1389 1390 mCurId = null; 1391 clearCurMethodLocked(); 1392 1393 if (reportToClient && mCurClient != null) { 1394 executeOrSendMessage(mCurClient.client, mCaller.obtainMessageIO( 1395 MSG_UNBIND_METHOD, mCurSeq, mCurClient.client)); 1396 } 1397 } 1398 1399 void requestClientSessionLocked(ClientState cs) { 1400 if (!cs.sessionRequested) { 1401 if (DEBUG) Slog.v(TAG, "Creating new session for client " + cs); 1402 InputChannel[] channels = InputChannel.openInputChannelPair(cs.toString()); 1403 cs.sessionRequested = true; 1404 executeOrSendMessage(mCurMethod, mCaller.obtainMessageOOO( 1405 MSG_CREATE_SESSION, mCurMethod, channels[1], 1406 new MethodCallback(this, mCurMethod, channels[0]))); 1407 } 1408 } 1409 1410 void clearClientSessionLocked(ClientState cs) { 1411 finishSessionLocked(cs.curSession); 1412 cs.curSession = null; 1413 cs.sessionRequested = false; 1414 } 1415 1416 private void finishSessionLocked(SessionState sessionState) { 1417 if (sessionState != null) { 1418 if (sessionState.session != null) { 1419 try { 1420 sessionState.session.finishSession(); 1421 } catch (RemoteException e) { 1422 Slog.w(TAG, "Session failed to close due to remote exception", e); 1423 setImeWindowVisibilityStatusHiddenLocked(); 1424 } 1425 sessionState.session = null; 1426 } 1427 if (sessionState.channel != null) { 1428 sessionState.channel.dispose(); 1429 sessionState.channel = null; 1430 } 1431 } 1432 } 1433 1434 void clearCurMethodLocked() { 1435 if (mCurMethod != null) { 1436 for (ClientState cs : mClients.values()) { 1437 clearClientSessionLocked(cs); 1438 } 1439 1440 finishSessionLocked(mEnabledSession); 1441 mEnabledSession = null; 1442 mCurMethod = null; 1443 } 1444 if (mStatusBar != null) { 1445 mStatusBar.setIconVisibility("ime", false); 1446 } 1447 } 1448 1449 @Override 1450 public void onServiceDisconnected(ComponentName name) { 1451 synchronized (mMethodMap) { 1452 if (DEBUG) Slog.v(TAG, "Service disconnected: " + name 1453 + " mCurIntent=" + mCurIntent); 1454 if (mCurMethod != null && mCurIntent != null 1455 && name.equals(mCurIntent.getComponent())) { 1456 clearCurMethodLocked(); 1457 // We consider this to be a new bind attempt, since the system 1458 // should now try to restart the service for us. 1459 mLastBindTime = SystemClock.uptimeMillis(); 1460 mShowRequested = mInputShown; 1461 mInputShown = false; 1462 if (mCurClient != null) { 1463 executeOrSendMessage(mCurClient.client, mCaller.obtainMessageIO( 1464 MSG_UNBIND_METHOD, mCurSeq, mCurClient.client)); 1465 } 1466 } 1467 } 1468 } 1469 1470 @Override 1471 public void updateStatusIcon(IBinder token, String packageName, int iconId) { 1472 long ident = Binder.clearCallingIdentity(); 1473 try { 1474 synchronized (mMethodMap) { 1475 if (!calledWithValidToken(token)) { 1476 final int uid = Binder.getCallingUid(); 1477 Slog.e(TAG, "Ignoring updateStatusIcon due to an invalid token. uid:" + uid 1478 + " token:" + token); 1479 return; 1480 } 1481 if (iconId == 0) { 1482 if (DEBUG) Slog.d(TAG, "hide the small icon for the input method"); 1483 if (mStatusBar != null) { 1484 mStatusBar.setIconVisibility("ime", false); 1485 } 1486 } else if (packageName != null) { 1487 if (DEBUG) Slog.d(TAG, "show a small icon for the input method"); 1488 CharSequence contentDescription = null; 1489 try { 1490 // Use PackageManager to load label 1491 final PackageManager packageManager = mContext.getPackageManager(); 1492 contentDescription = packageManager.getApplicationLabel( 1493 mIPackageManager.getApplicationInfo(packageName, 0, 1494 mSettings.getCurrentUserId())); 1495 } catch (RemoteException e) { 1496 /* ignore */ 1497 } 1498 if (mStatusBar != null) { 1499 mStatusBar.setIcon("ime", packageName, iconId, 0, 1500 contentDescription != null 1501 ? contentDescription.toString() : null); 1502 mStatusBar.setIconVisibility("ime", true); 1503 } 1504 } 1505 } 1506 } finally { 1507 Binder.restoreCallingIdentity(ident); 1508 } 1509 } 1510 1511 private boolean needsToShowImeSwitchOngoingNotification() { 1512 if (!mShowOngoingImeSwitcherForPhones) return false; 1513 if (mSwitchingDialog != null) return false; 1514 if (isScreenLocked()) return false; 1515 synchronized (mMethodMap) { 1516 List<InputMethodInfo> imis = mSettings.getEnabledInputMethodListLocked(); 1517 final int N = imis.size(); 1518 if (N > 2) return true; 1519 if (N < 1) return false; 1520 int nonAuxCount = 0; 1521 int auxCount = 0; 1522 InputMethodSubtype nonAuxSubtype = null; 1523 InputMethodSubtype auxSubtype = null; 1524 for(int i = 0; i < N; ++i) { 1525 final InputMethodInfo imi = imis.get(i); 1526 final List<InputMethodSubtype> subtypes = 1527 mSettings.getEnabledInputMethodSubtypeListLocked(mContext, imi, true); 1528 final int subtypeCount = subtypes.size(); 1529 if (subtypeCount == 0) { 1530 ++nonAuxCount; 1531 } else { 1532 for (int j = 0; j < subtypeCount; ++j) { 1533 final InputMethodSubtype subtype = subtypes.get(j); 1534 if (!subtype.isAuxiliary()) { 1535 ++nonAuxCount; 1536 nonAuxSubtype = subtype; 1537 } else { 1538 ++auxCount; 1539 auxSubtype = subtype; 1540 } 1541 } 1542 } 1543 } 1544 if (nonAuxCount > 1 || auxCount > 1) { 1545 return true; 1546 } else if (nonAuxCount == 1 && auxCount == 1) { 1547 if (nonAuxSubtype != null && auxSubtype != null 1548 && (nonAuxSubtype.getLocale().equals(auxSubtype.getLocale()) 1549 || auxSubtype.overridesImplicitlyEnabledSubtype() 1550 || nonAuxSubtype.overridesImplicitlyEnabledSubtype()) 1551 && nonAuxSubtype.containsExtraValueKey(TAG_TRY_SUPPRESSING_IME_SWITCHER)) { 1552 return false; 1553 } 1554 return true; 1555 } 1556 return false; 1557 } 1558 } 1559 1560 private boolean isKeyguardLocked() { 1561 return mKeyguardManager != null && mKeyguardManager.isKeyguardLocked(); 1562 } 1563 1564 // Caution! This method is called in this class. Handle multi-user carefully 1565 @SuppressWarnings("deprecation") 1566 @Override 1567 public void setImeWindowStatus(IBinder token, int vis, int backDisposition) { 1568 final long ident = Binder.clearCallingIdentity(); 1569 try { 1570 if (!calledWithValidToken(token)) { 1571 final int uid = Binder.getCallingUid(); 1572 Slog.e(TAG, "Ignoring setImeWindowStatus due to an invalid token. uid:" + uid 1573 + " token:" + token); 1574 return; 1575 } 1576 synchronized (mMethodMap) { 1577 // apply policy for binder calls 1578 if (vis != 0 && isKeyguardLocked() && !mCurClientInKeyguard) { 1579 vis = 0; 1580 } 1581 mImeWindowVis = vis; 1582 mBackDisposition = backDisposition; 1583 final boolean iconVisibility = ((vis & (InputMethodService.IME_ACTIVE)) != 0) 1584 && (mWindowManagerService.isHardKeyboardAvailable() 1585 || (vis & (InputMethodService.IME_VISIBLE)) != 0); 1586 final boolean needsToShowImeSwitcher = iconVisibility 1587 && needsToShowImeSwitchOngoingNotification(); 1588 if (mStatusBar != null) { 1589 mStatusBar.setImeWindowStatus(token, vis, backDisposition, 1590 needsToShowImeSwitcher); 1591 } 1592 final InputMethodInfo imi = mMethodMap.get(mCurMethodId); 1593 if (imi != null && needsToShowImeSwitcher) { 1594 // Used to load label 1595 final CharSequence title = mRes.getText( 1596 com.android.internal.R.string.select_input_method); 1597 final CharSequence summary = InputMethodUtils.getImeAndSubtypeDisplayName( 1598 mContext, imi, mCurrentSubtype); 1599 1600 mImeSwitcherNotification.color = mContext.getResources().getColor( 1601 com.android.internal.R.color.system_notification_accent_color); 1602 mImeSwitcherNotification.setLatestEventInfo( 1603 mContext, title, summary, mImeSwitchPendingIntent); 1604 if ((mNotificationManager != null) 1605 && !mWindowManagerService.hasNavigationBar()) { 1606 if (DEBUG) { 1607 Slog.d(TAG, "--- show notification: label = " + summary); 1608 } 1609 mNotificationManager.notifyAsUser(null, 1610 com.android.internal.R.string.select_input_method, 1611 mImeSwitcherNotification, UserHandle.ALL); 1612 mNotificationShown = true; 1613 } 1614 } else { 1615 if (mNotificationShown && mNotificationManager != null) { 1616 if (DEBUG) { 1617 Slog.d(TAG, "--- hide notification"); 1618 } 1619 mNotificationManager.cancelAsUser(null, 1620 com.android.internal.R.string.select_input_method, UserHandle.ALL); 1621 mNotificationShown = false; 1622 } 1623 } 1624 } 1625 } finally { 1626 Binder.restoreCallingIdentity(ident); 1627 } 1628 } 1629 1630 @Override 1631 public void registerSuggestionSpansForNotification(SuggestionSpan[] spans) { 1632 if (!calledFromValidUser()) { 1633 return; 1634 } 1635 synchronized (mMethodMap) { 1636 final InputMethodInfo currentImi = mMethodMap.get(mCurMethodId); 1637 for (int i = 0; i < spans.length; ++i) { 1638 SuggestionSpan ss = spans[i]; 1639 if (!TextUtils.isEmpty(ss.getNotificationTargetClassName())) { 1640 mSecureSuggestionSpans.put(ss, currentImi); 1641 } 1642 } 1643 } 1644 } 1645 1646 @Override 1647 public boolean notifySuggestionPicked(SuggestionSpan span, String originalString, int index) { 1648 if (!calledFromValidUser()) { 1649 return false; 1650 } 1651 synchronized (mMethodMap) { 1652 final InputMethodInfo targetImi = mSecureSuggestionSpans.get(span); 1653 // TODO: Do not send the intent if the process of the targetImi is already dead. 1654 if (targetImi != null) { 1655 final String[] suggestions = span.getSuggestions(); 1656 if (index < 0 || index >= suggestions.length) return false; 1657 final String className = span.getNotificationTargetClassName(); 1658 final Intent intent = new Intent(); 1659 // Ensures that only a class in the original IME package will receive the 1660 // notification. 1661 intent.setClassName(targetImi.getPackageName(), className); 1662 intent.setAction(SuggestionSpan.ACTION_SUGGESTION_PICKED); 1663 intent.putExtra(SuggestionSpan.SUGGESTION_SPAN_PICKED_BEFORE, originalString); 1664 intent.putExtra(SuggestionSpan.SUGGESTION_SPAN_PICKED_AFTER, suggestions[index]); 1665 intent.putExtra(SuggestionSpan.SUGGESTION_SPAN_PICKED_HASHCODE, span.hashCode()); 1666 final long ident = Binder.clearCallingIdentity(); 1667 try { 1668 mContext.sendBroadcastAsUser(intent, UserHandle.CURRENT); 1669 } finally { 1670 Binder.restoreCallingIdentity(ident); 1671 } 1672 return true; 1673 } 1674 } 1675 return false; 1676 } 1677 1678 void updateFromSettingsLocked(boolean enabledMayChange) { 1679 updateInputMethodsFromSettingsLocked(enabledMayChange); 1680 updateKeyboardFromSettingsLocked(); 1681 } 1682 1683 void updateInputMethodsFromSettingsLocked(boolean enabledMayChange) { 1684 if (enabledMayChange) { 1685 List<InputMethodInfo> enabled = mSettings.getEnabledInputMethodListLocked(); 1686 for (int i=0; i<enabled.size(); i++) { 1687 // We allow the user to select "disabled until used" apps, so if they 1688 // are enabling one of those here we now need to make it enabled. 1689 InputMethodInfo imm = enabled.get(i); 1690 try { 1691 ApplicationInfo ai = mIPackageManager.getApplicationInfo(imm.getPackageName(), 1692 PackageManager.GET_DISABLED_UNTIL_USED_COMPONENTS, 1693 mSettings.getCurrentUserId()); 1694 if (ai != null && ai.enabledSetting 1695 == PackageManager.COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED) { 1696 if (DEBUG) { 1697 Slog.d(TAG, "Update state(" + imm.getId() 1698 + "): DISABLED_UNTIL_USED -> DEFAULT"); 1699 } 1700 mIPackageManager.setApplicationEnabledSetting(imm.getPackageName(), 1701 PackageManager.COMPONENT_ENABLED_STATE_DEFAULT, 1702 PackageManager.DONT_KILL_APP, mSettings.getCurrentUserId(), 1703 mContext.getBasePackageName()); 1704 } 1705 } catch (RemoteException e) { 1706 } 1707 } 1708 } 1709 // We are assuming that whoever is changing DEFAULT_INPUT_METHOD and 1710 // ENABLED_INPUT_METHODS is taking care of keeping them correctly in 1711 // sync, so we will never have a DEFAULT_INPUT_METHOD that is not 1712 // enabled. 1713 String id = mSettings.getSelectedInputMethod(); 1714 // There is no input method selected, try to choose new applicable input method. 1715 if (TextUtils.isEmpty(id) && chooseNewDefaultIMELocked()) { 1716 id = mSettings.getSelectedInputMethod(); 1717 } 1718 if (!TextUtils.isEmpty(id)) { 1719 try { 1720 setInputMethodLocked(id, mSettings.getSelectedInputMethodSubtypeId(id)); 1721 } catch (IllegalArgumentException e) { 1722 Slog.w(TAG, "Unknown input method from prefs: " + id, e); 1723 mCurMethodId = null; 1724 unbindCurrentMethodLocked(true, false); 1725 } 1726 mShortcutInputMethodsAndSubtypes.clear(); 1727 } else { 1728 // There is no longer an input method set, so stop any current one. 1729 mCurMethodId = null; 1730 unbindCurrentMethodLocked(true, false); 1731 } 1732 // Here is not the perfect place to reset the switching controller. Ideally 1733 // mSwitchingController and mSettings should be able to share the same state. 1734 // TODO: Make sure that mSwitchingController and mSettings are sharing the 1735 // the same enabled IMEs list. 1736 mSwitchingController.resetCircularListLocked(mContext); 1737 1738 } 1739 1740 public void updateKeyboardFromSettingsLocked() { 1741 mShowImeWithHardKeyboard = mSettings.isShowImeWithHardKeyboardEnabled(); 1742 if (mSwitchingDialog != null 1743 && mSwitchingDialogTitleView != null 1744 && mSwitchingDialog.isShowing()) { 1745 final Switch hardKeySwitch = (Switch)mSwitchingDialogTitleView.findViewById( 1746 com.android.internal.R.id.hard_keyboard_switch); 1747 hardKeySwitch.setChecked(mShowImeWithHardKeyboard); 1748 } 1749 } 1750 1751 /* package */ void setInputMethodLocked(String id, int subtypeId) { 1752 InputMethodInfo info = mMethodMap.get(id); 1753 if (info == null) { 1754 throw new IllegalArgumentException("Unknown id: " + id); 1755 } 1756 1757 if (mCurClient != null && mCurAttribute != null) { 1758 final int uid = mCurClient.uid; 1759 final String packageName = mCurAttribute.packageName; 1760 if (SystemConfig.getInstance().getFixedImeApps().contains(packageName)) { 1761 if (InputMethodUtils.checkIfPackageBelongsToUid(mAppOpsManager, uid, packageName)) { 1762 return; 1763 } 1764 // TODO: Do we need to lock the input method when the application reported an 1765 // incorrect package name? 1766 Slog.e(TAG, "Ignoring FixedImeApps due to the validation failure. uid=" + uid 1767 + " package=" + packageName); 1768 } 1769 } 1770 1771 // See if we need to notify a subtype change within the same IME. 1772 if (id.equals(mCurMethodId)) { 1773 final int subtypeCount = info.getSubtypeCount(); 1774 if (subtypeCount <= 0) { 1775 return; 1776 } 1777 final InputMethodSubtype oldSubtype = mCurrentSubtype; 1778 final InputMethodSubtype newSubtype; 1779 if (subtypeId >= 0 && subtypeId < subtypeCount) { 1780 newSubtype = info.getSubtypeAt(subtypeId); 1781 } else { 1782 // If subtype is null, try to find the most applicable one from 1783 // getCurrentInputMethodSubtype. 1784 newSubtype = getCurrentInputMethodSubtypeLocked(); 1785 } 1786 if (newSubtype == null || oldSubtype == null) { 1787 Slog.w(TAG, "Illegal subtype state: old subtype = " + oldSubtype 1788 + ", new subtype = " + newSubtype); 1789 return; 1790 } 1791 if (newSubtype != oldSubtype) { 1792 setSelectedInputMethodAndSubtypeLocked(info, subtypeId, true); 1793 if (mCurMethod != null) { 1794 try { 1795 refreshImeWindowVisibilityLocked(); 1796 mCurMethod.changeInputMethodSubtype(newSubtype); 1797 } catch (RemoteException e) { 1798 Slog.w(TAG, "Failed to call changeInputMethodSubtype"); 1799 } 1800 } 1801 } 1802 return; 1803 } 1804 1805 // Changing to a different IME. 1806 final long ident = Binder.clearCallingIdentity(); 1807 try { 1808 // Set a subtype to this input method. 1809 // subtypeId the name of a subtype which will be set. 1810 setSelectedInputMethodAndSubtypeLocked(info, subtypeId, false); 1811 // mCurMethodId should be updated after setSelectedInputMethodAndSubtypeLocked() 1812 // because mCurMethodId is stored as a history in 1813 // setSelectedInputMethodAndSubtypeLocked(). 1814 mCurMethodId = id; 1815 1816 if (ActivityManagerNative.isSystemReady()) { 1817 Intent intent = new Intent(Intent.ACTION_INPUT_METHOD_CHANGED); 1818 intent.addFlags(Intent.FLAG_RECEIVER_REPLACE_PENDING); 1819 intent.putExtra("input_method_id", id); 1820 mContext.sendBroadcastAsUser(intent, UserHandle.CURRENT); 1821 } 1822 unbindCurrentClientLocked(); 1823 } finally { 1824 Binder.restoreCallingIdentity(ident); 1825 } 1826 } 1827 1828 @Override 1829 public boolean showSoftInput(IInputMethodClient client, int flags, 1830 ResultReceiver resultReceiver) { 1831 if (!calledFromValidUser()) { 1832 return false; 1833 } 1834 int uid = Binder.getCallingUid(); 1835 long ident = Binder.clearCallingIdentity(); 1836 try { 1837 synchronized (mMethodMap) { 1838 if (mCurClient == null || client == null 1839 || mCurClient.client.asBinder() != client.asBinder()) { 1840 try { 1841 // We need to check if this is the current client with 1842 // focus in the window manager, to allow this call to 1843 // be made before input is started in it. 1844 if (!mIWindowManager.inputMethodClientHasFocus(client)) { 1845 Slog.w(TAG, "Ignoring showSoftInput of uid " + uid + ": " + client); 1846 return false; 1847 } 1848 } catch (RemoteException e) { 1849 return false; 1850 } 1851 } 1852 1853 if (DEBUG) Slog.v(TAG, "Client requesting input be shown"); 1854 return showCurrentInputLocked(flags, resultReceiver); 1855 } 1856 } finally { 1857 Binder.restoreCallingIdentity(ident); 1858 } 1859 } 1860 1861 boolean showCurrentInputLocked(int flags, ResultReceiver resultReceiver) { 1862 mShowRequested = true; 1863 if ((flags&InputMethodManager.SHOW_IMPLICIT) == 0) { 1864 mShowExplicitlyRequested = true; 1865 } 1866 if ((flags&InputMethodManager.SHOW_FORCED) != 0) { 1867 mShowExplicitlyRequested = true; 1868 mShowForced = true; 1869 } 1870 1871 if (!mSystemReady) { 1872 return false; 1873 } 1874 1875 boolean res = false; 1876 if (mCurMethod != null) { 1877 if (DEBUG) Slog.d(TAG, "showCurrentInputLocked: mCurToken=" + mCurToken); 1878 executeOrSendMessage(mCurMethod, mCaller.obtainMessageIOO( 1879 MSG_SHOW_SOFT_INPUT, getImeShowFlags(), mCurMethod, 1880 resultReceiver)); 1881 mInputShown = true; 1882 if (mHaveConnection && !mVisibleBound) { 1883 bindCurrentInputMethodService( 1884 mCurIntent, mVisibleConnection, Context.BIND_AUTO_CREATE 1885 | Context.BIND_TREAT_LIKE_ACTIVITY); 1886 mVisibleBound = true; 1887 } 1888 res = true; 1889 } else if (mHaveConnection && SystemClock.uptimeMillis() 1890 >= (mLastBindTime+TIME_TO_RECONNECT)) { 1891 // The client has asked to have the input method shown, but 1892 // we have been sitting here too long with a connection to the 1893 // service and no interface received, so let's disconnect/connect 1894 // to try to prod things along. 1895 EventLog.writeEvent(EventLogTags.IMF_FORCE_RECONNECT_IME, mCurMethodId, 1896 SystemClock.uptimeMillis()-mLastBindTime,1); 1897 Slog.w(TAG, "Force disconnect/connect to the IME in showCurrentInputLocked()"); 1898 mContext.unbindService(this); 1899 bindCurrentInputMethodService(mCurIntent, this, Context.BIND_AUTO_CREATE 1900 | Context.BIND_NOT_VISIBLE); 1901 } else { 1902 if (DEBUG) { 1903 Slog.d(TAG, "Can't show input: connection = " + mHaveConnection + ", time = " 1904 + ((mLastBindTime+TIME_TO_RECONNECT) - SystemClock.uptimeMillis())); 1905 } 1906 } 1907 1908 return res; 1909 } 1910 1911 @Override 1912 public boolean hideSoftInput(IInputMethodClient client, int flags, 1913 ResultReceiver resultReceiver) { 1914 if (!calledFromValidUser()) { 1915 return false; 1916 } 1917 int uid = Binder.getCallingUid(); 1918 long ident = Binder.clearCallingIdentity(); 1919 try { 1920 synchronized (mMethodMap) { 1921 if (mCurClient == null || client == null 1922 || mCurClient.client.asBinder() != client.asBinder()) { 1923 try { 1924 // We need to check if this is the current client with 1925 // focus in the window manager, to allow this call to 1926 // be made before input is started in it. 1927 if (!mIWindowManager.inputMethodClientHasFocus(client)) { 1928 if (DEBUG) Slog.w(TAG, "Ignoring hideSoftInput of uid " 1929 + uid + ": " + client); 1930 setImeWindowVisibilityStatusHiddenLocked(); 1931 return false; 1932 } 1933 } catch (RemoteException e) { 1934 setImeWindowVisibilityStatusHiddenLocked(); 1935 return false; 1936 } 1937 } 1938 1939 if (DEBUG) Slog.v(TAG, "Client requesting input be hidden"); 1940 return hideCurrentInputLocked(flags, resultReceiver); 1941 } 1942 } finally { 1943 Binder.restoreCallingIdentity(ident); 1944 } 1945 } 1946 1947 boolean hideCurrentInputLocked(int flags, ResultReceiver resultReceiver) { 1948 if ((flags&InputMethodManager.HIDE_IMPLICIT_ONLY) != 0 1949 && (mShowExplicitlyRequested || mShowForced)) { 1950 if (DEBUG) Slog.v(TAG, "Not hiding: explicit show not cancelled by non-explicit hide"); 1951 return false; 1952 } 1953 if (mShowForced && (flags&InputMethodManager.HIDE_NOT_ALWAYS) != 0) { 1954 if (DEBUG) Slog.v(TAG, "Not hiding: forced show not cancelled by not-always hide"); 1955 return false; 1956 } 1957 boolean res; 1958 if (mInputShown && mCurMethod != null) { 1959 executeOrSendMessage(mCurMethod, mCaller.obtainMessageOO( 1960 MSG_HIDE_SOFT_INPUT, mCurMethod, resultReceiver)); 1961 res = true; 1962 } else { 1963 res = false; 1964 } 1965 if (mHaveConnection && mVisibleBound) { 1966 mContext.unbindService(mVisibleConnection); 1967 mVisibleBound = false; 1968 } 1969 mInputShown = false; 1970 mShowRequested = false; 1971 mShowExplicitlyRequested = false; 1972 mShowForced = false; 1973 return res; 1974 } 1975 1976 @Override 1977 public InputBindResult windowGainedFocus(IInputMethodClient client, IBinder windowToken, 1978 int controlFlags, int softInputMode, int windowFlags, 1979 EditorInfo attribute, IInputContext inputContext) { 1980 // Needs to check the validity before clearing calling identity 1981 final boolean calledFromValidUser = calledFromValidUser(); 1982 1983 InputBindResult res = null; 1984 long ident = Binder.clearCallingIdentity(); 1985 try { 1986 synchronized (mMethodMap) { 1987 if (DEBUG) Slog.v(TAG, "windowGainedFocus: " + client.asBinder() 1988 + " controlFlags=#" + Integer.toHexString(controlFlags) 1989 + " softInputMode=#" + Integer.toHexString(softInputMode) 1990 + " windowFlags=#" + Integer.toHexString(windowFlags)); 1991 1992 ClientState cs = mClients.get(client.asBinder()); 1993 if (cs == null) { 1994 throw new IllegalArgumentException("unknown client " 1995 + client.asBinder()); 1996 } 1997 1998 try { 1999 if (!mIWindowManager.inputMethodClientHasFocus(cs.client)) { 2000 // Check with the window manager to make sure this client actually 2001 // has a window with focus. If not, reject. This is thread safe 2002 // because if the focus changes some time before or after, the 2003 // next client receiving focus that has any interest in input will 2004 // be calling through here after that change happens. 2005 Slog.w(TAG, "Focus gain on non-focused client " + cs.client 2006 + " (uid=" + cs.uid + " pid=" + cs.pid + ")"); 2007 return null; 2008 } 2009 } catch (RemoteException e) { 2010 } 2011 2012 if (!calledFromValidUser) { 2013 Slog.w(TAG, "A background user is requesting window. Hiding IME."); 2014 Slog.w(TAG, "If you want to interect with IME, you need " 2015 + "android.permission.INTERACT_ACROSS_USERS_FULL"); 2016 hideCurrentInputLocked(0, null); 2017 return null; 2018 } 2019 2020 if (mCurFocusedWindow == windowToken) { 2021 Slog.w(TAG, "Window already focused, ignoring focus gain of: " + client 2022 + " attribute=" + attribute + ", token = " + windowToken); 2023 if (attribute != null) { 2024 return startInputUncheckedLocked(cs, inputContext, attribute, 2025 controlFlags); 2026 } 2027 return null; 2028 } 2029 mCurFocusedWindow = windowToken; 2030 2031 // Should we auto-show the IME even if the caller has not 2032 // specified what should be done with it? 2033 // We only do this automatically if the window can resize 2034 // to accommodate the IME (so what the user sees will give 2035 // them good context without input information being obscured 2036 // by the IME) or if running on a large screen where there 2037 // is more room for the target window + IME. 2038 final boolean doAutoShow = 2039 (softInputMode & WindowManager.LayoutParams.SOFT_INPUT_MASK_ADJUST) 2040 == WindowManager.LayoutParams.SOFT_INPUT_ADJUST_RESIZE 2041 || mRes.getConfiguration().isLayoutSizeAtLeast( 2042 Configuration.SCREENLAYOUT_SIZE_LARGE); 2043 final boolean isTextEditor = 2044 (controlFlags&InputMethodManager.CONTROL_WINDOW_IS_TEXT_EDITOR) != 0; 2045 2046 // We want to start input before showing the IME, but after closing 2047 // it. We want to do this after closing it to help the IME disappear 2048 // more quickly (not get stuck behind it initializing itself for the 2049 // new focused input, even if its window wants to hide the IME). 2050 boolean didStart = false; 2051 2052 switch (softInputMode&WindowManager.LayoutParams.SOFT_INPUT_MASK_STATE) { 2053 case WindowManager.LayoutParams.SOFT_INPUT_STATE_UNSPECIFIED: 2054 if (!isTextEditor || !doAutoShow) { 2055 if (WindowManager.LayoutParams.mayUseInputMethod(windowFlags)) { 2056 // There is no focus view, and this window will 2057 // be behind any soft input window, so hide the 2058 // soft input window if it is shown. 2059 if (DEBUG) Slog.v(TAG, "Unspecified window will hide input"); 2060 hideCurrentInputLocked(InputMethodManager.HIDE_NOT_ALWAYS, null); 2061 } 2062 } else if (isTextEditor && doAutoShow && (softInputMode & 2063 WindowManager.LayoutParams.SOFT_INPUT_IS_FORWARD_NAVIGATION) != 0) { 2064 // There is a focus view, and we are navigating forward 2065 // into the window, so show the input window for the user. 2066 // We only do this automatically if the window can resize 2067 // to accommodate the IME (so what the user sees will give 2068 // them good context without input information being obscured 2069 // by the IME) or if running on a large screen where there 2070 // is more room for the target window + IME. 2071 if (DEBUG) Slog.v(TAG, "Unspecified window will show input"); 2072 if (attribute != null) { 2073 res = startInputUncheckedLocked(cs, inputContext, attribute, 2074 controlFlags); 2075 didStart = true; 2076 } 2077 showCurrentInputLocked(InputMethodManager.SHOW_IMPLICIT, null); 2078 } 2079 break; 2080 case WindowManager.LayoutParams.SOFT_INPUT_STATE_UNCHANGED: 2081 // Do nothing. 2082 break; 2083 case WindowManager.LayoutParams.SOFT_INPUT_STATE_HIDDEN: 2084 if ((softInputMode & 2085 WindowManager.LayoutParams.SOFT_INPUT_IS_FORWARD_NAVIGATION) != 0) { 2086 if (DEBUG) Slog.v(TAG, "Window asks to hide input going forward"); 2087 hideCurrentInputLocked(0, null); 2088 } 2089 break; 2090 case WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_HIDDEN: 2091 if (DEBUG) Slog.v(TAG, "Window asks to hide input"); 2092 hideCurrentInputLocked(0, null); 2093 break; 2094 case WindowManager.LayoutParams.SOFT_INPUT_STATE_VISIBLE: 2095 if ((softInputMode & 2096 WindowManager.LayoutParams.SOFT_INPUT_IS_FORWARD_NAVIGATION) != 0) { 2097 if (DEBUG) Slog.v(TAG, "Window asks to show input going forward"); 2098 if (attribute != null) { 2099 res = startInputUncheckedLocked(cs, inputContext, attribute, 2100 controlFlags); 2101 didStart = true; 2102 } 2103 showCurrentInputLocked(InputMethodManager.SHOW_IMPLICIT, null); 2104 } 2105 break; 2106 case WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_VISIBLE: 2107 if (DEBUG) Slog.v(TAG, "Window asks to always show input"); 2108 if (attribute != null) { 2109 res = startInputUncheckedLocked(cs, inputContext, attribute, 2110 controlFlags); 2111 didStart = true; 2112 } 2113 showCurrentInputLocked(InputMethodManager.SHOW_IMPLICIT, null); 2114 break; 2115 } 2116 2117 if (!didStart && attribute != null) { 2118 res = startInputUncheckedLocked(cs, inputContext, attribute, 2119 controlFlags); 2120 } 2121 } 2122 } finally { 2123 Binder.restoreCallingIdentity(ident); 2124 } 2125 2126 return res; 2127 } 2128 2129 @Override 2130 public void showInputMethodPickerFromClient(IInputMethodClient client) { 2131 if (!calledFromValidUser()) { 2132 return; 2133 } 2134 synchronized (mMethodMap) { 2135 if (mCurClient == null || client == null 2136 || mCurClient.client.asBinder() != client.asBinder()) { 2137 Slog.w(TAG, "Ignoring showInputMethodPickerFromClient of uid " 2138 + Binder.getCallingUid() + ": " + client); 2139 } 2140 2141 // Always call subtype picker, because subtype picker is a superset of input method 2142 // picker. 2143 mHandler.sendEmptyMessage(MSG_SHOW_IM_SUBTYPE_PICKER); 2144 } 2145 } 2146 2147 @Override 2148 public void setInputMethod(IBinder token, String id) { 2149 if (!calledFromValidUser()) { 2150 return; 2151 } 2152 setInputMethodWithSubtypeId(token, id, NOT_A_SUBTYPE_ID); 2153 } 2154 2155 @Override 2156 public void setInputMethodAndSubtype(IBinder token, String id, InputMethodSubtype subtype) { 2157 if (!calledFromValidUser()) { 2158 return; 2159 } 2160 synchronized (mMethodMap) { 2161 if (subtype != null) { 2162 setInputMethodWithSubtypeIdLocked(token, id, 2163 InputMethodUtils.getSubtypeIdFromHashCode(mMethodMap.get(id), 2164 subtype.hashCode())); 2165 } else { 2166 setInputMethod(token, id); 2167 } 2168 } 2169 } 2170 2171 @Override 2172 public void showInputMethodAndSubtypeEnablerFromClient( 2173 IInputMethodClient client, String inputMethodId) { 2174 if (!calledFromValidUser()) { 2175 return; 2176 } 2177 synchronized (mMethodMap) { 2178 if (mCurClient == null || client == null 2179 || mCurClient.client.asBinder() != client.asBinder()) { 2180 Slog.w(TAG, "Ignoring showInputMethodAndSubtypeEnablerFromClient of: " + client); 2181 } 2182 executeOrSendMessage(mCurMethod, mCaller.obtainMessageO( 2183 MSG_SHOW_IM_SUBTYPE_ENABLER, inputMethodId)); 2184 } 2185 } 2186 2187 @Override 2188 public boolean switchToLastInputMethod(IBinder token) { 2189 if (!calledFromValidUser()) { 2190 return false; 2191 } 2192 synchronized (mMethodMap) { 2193 final Pair<String, String> lastIme = mSettings.getLastInputMethodAndSubtypeLocked(); 2194 final InputMethodInfo lastImi; 2195 if (lastIme != null) { 2196 lastImi = mMethodMap.get(lastIme.first); 2197 } else { 2198 lastImi = null; 2199 } 2200 String targetLastImiId = null; 2201 int subtypeId = NOT_A_SUBTYPE_ID; 2202 if (lastIme != null && lastImi != null) { 2203 final boolean imiIdIsSame = lastImi.getId().equals(mCurMethodId); 2204 final int lastSubtypeHash = Integer.valueOf(lastIme.second); 2205 final int currentSubtypeHash = mCurrentSubtype == null ? NOT_A_SUBTYPE_ID 2206 : mCurrentSubtype.hashCode(); 2207 // If the last IME is the same as the current IME and the last subtype is not 2208 // defined, there is no need to switch to the last IME. 2209 if (!imiIdIsSame || lastSubtypeHash != currentSubtypeHash) { 2210 targetLastImiId = lastIme.first; 2211 subtypeId = InputMethodUtils.getSubtypeIdFromHashCode(lastImi, lastSubtypeHash); 2212 } 2213 } 2214 2215 if (TextUtils.isEmpty(targetLastImiId) 2216 && !InputMethodUtils.canAddToLastInputMethod(mCurrentSubtype)) { 2217 // This is a safety net. If the currentSubtype can't be added to the history 2218 // and the framework couldn't find the last ime, we will make the last ime be 2219 // the most applicable enabled keyboard subtype of the system imes. 2220 final List<InputMethodInfo> enabled = mSettings.getEnabledInputMethodListLocked(); 2221 if (enabled != null) { 2222 final int N = enabled.size(); 2223 final String locale = mCurrentSubtype == null 2224 ? mRes.getConfiguration().locale.toString() 2225 : mCurrentSubtype.getLocale(); 2226 for (int i = 0; i < N; ++i) { 2227 final InputMethodInfo imi = enabled.get(i); 2228 if (imi.getSubtypeCount() > 0 && InputMethodUtils.isSystemIme(imi)) { 2229 InputMethodSubtype keyboardSubtype = 2230 InputMethodUtils.findLastResortApplicableSubtypeLocked(mRes, 2231 InputMethodUtils.getSubtypes(imi), 2232 InputMethodUtils.SUBTYPE_MODE_KEYBOARD, locale, true); 2233 if (keyboardSubtype != null) { 2234 targetLastImiId = imi.getId(); 2235 subtypeId = InputMethodUtils.getSubtypeIdFromHashCode( 2236 imi, keyboardSubtype.hashCode()); 2237 if(keyboardSubtype.getLocale().equals(locale)) { 2238 break; 2239 } 2240 } 2241 } 2242 } 2243 } 2244 } 2245 2246 if (!TextUtils.isEmpty(targetLastImiId)) { 2247 if (DEBUG) { 2248 Slog.d(TAG, "Switch to: " + lastImi.getId() + ", " + lastIme.second 2249 + ", from: " + mCurMethodId + ", " + subtypeId); 2250 } 2251 setInputMethodWithSubtypeIdLocked(token, targetLastImiId, subtypeId); 2252 return true; 2253 } else { 2254 return false; 2255 } 2256 } 2257 } 2258 2259 @Override 2260 public boolean switchToNextInputMethod(IBinder token, boolean onlyCurrentIme) { 2261 if (!calledFromValidUser()) { 2262 return false; 2263 } 2264 synchronized (mMethodMap) { 2265 if (!calledWithValidToken(token)) { 2266 final int uid = Binder.getCallingUid(); 2267 Slog.e(TAG, "Ignoring switchToNextInputMethod due to an invalid token. uid:" + uid 2268 + " token:" + token); 2269 return false; 2270 } 2271 final ImeSubtypeListItem nextSubtype = mSwitchingController.getNextInputMethodLocked( 2272 onlyCurrentIme, mMethodMap.get(mCurMethodId), mCurrentSubtype); 2273 if (nextSubtype == null) { 2274 return false; 2275 } 2276 setInputMethodWithSubtypeIdLocked(token, nextSubtype.mImi.getId(), 2277 nextSubtype.mSubtypeId); 2278 return true; 2279 } 2280 } 2281 2282 @Override 2283 public boolean shouldOfferSwitchingToNextInputMethod(IBinder token) { 2284 if (!calledFromValidUser()) { 2285 return false; 2286 } 2287 synchronized (mMethodMap) { 2288 if (!calledWithValidToken(token)) { 2289 final int uid = Binder.getCallingUid(); 2290 Slog.e(TAG, "Ignoring shouldOfferSwitchingToNextInputMethod due to an invalid " 2291 + "token. uid:" + uid + " token:" + token); 2292 return false; 2293 } 2294 final ImeSubtypeListItem nextSubtype = mSwitchingController.getNextInputMethodLocked( 2295 false /* onlyCurrentIme */, mMethodMap.get(mCurMethodId), mCurrentSubtype); 2296 if (nextSubtype == null) { 2297 return false; 2298 } 2299 return true; 2300 } 2301 } 2302 2303 @Override 2304 public InputMethodSubtype getLastInputMethodSubtype() { 2305 if (!calledFromValidUser()) { 2306 return null; 2307 } 2308 synchronized (mMethodMap) { 2309 final Pair<String, String> lastIme = mSettings.getLastInputMethodAndSubtypeLocked(); 2310 // TODO: Handle the case of the last IME with no subtypes 2311 if (lastIme == null || TextUtils.isEmpty(lastIme.first) 2312 || TextUtils.isEmpty(lastIme.second)) return null; 2313 final InputMethodInfo lastImi = mMethodMap.get(lastIme.first); 2314 if (lastImi == null) return null; 2315 try { 2316 final int lastSubtypeHash = Integer.valueOf(lastIme.second); 2317 final int lastSubtypeId = 2318 InputMethodUtils.getSubtypeIdFromHashCode(lastImi, lastSubtypeHash); 2319 if (lastSubtypeId < 0 || lastSubtypeId >= lastImi.getSubtypeCount()) { 2320 return null; 2321 } 2322 return lastImi.getSubtypeAt(lastSubtypeId); 2323 } catch (NumberFormatException e) { 2324 return null; 2325 } 2326 } 2327 } 2328 2329 @Override 2330 public void setAdditionalInputMethodSubtypes(String imiId, InputMethodSubtype[] subtypes) { 2331 if (!calledFromValidUser()) { 2332 return; 2333 } 2334 // By this IPC call, only a process which shares the same uid with the IME can add 2335 // additional input method subtypes to the IME. 2336 if (TextUtils.isEmpty(imiId) || subtypes == null || subtypes.length == 0) return; 2337 synchronized (mMethodMap) { 2338 final InputMethodInfo imi = mMethodMap.get(imiId); 2339 if (imi == null) return; 2340 final String[] packageInfos; 2341 try { 2342 packageInfos = mIPackageManager.getPackagesForUid(Binder.getCallingUid()); 2343 } catch (RemoteException e) { 2344 Slog.e(TAG, "Failed to get package infos"); 2345 return; 2346 } 2347 if (packageInfos != null) { 2348 final int packageNum = packageInfos.length; 2349 for (int i = 0; i < packageNum; ++i) { 2350 if (packageInfos[i].equals(imi.getPackageName())) { 2351 mFileManager.addInputMethodSubtypes(imi, subtypes); 2352 final long ident = Binder.clearCallingIdentity(); 2353 try { 2354 buildInputMethodListLocked(mMethodList, mMethodMap, 2355 false /* resetDefaultEnabledIme */); 2356 } finally { 2357 Binder.restoreCallingIdentity(ident); 2358 } 2359 return; 2360 } 2361 } 2362 } 2363 } 2364 return; 2365 } 2366 2367 @Override 2368 public int getInputMethodWindowVisibleHeight() { 2369 return mWindowManagerService.getInputMethodWindowVisibleHeight(); 2370 } 2371 2372 @Override 2373 public void notifyUserAction(int sequenceNumber) { 2374 if (DEBUG) { 2375 Slog.d(TAG, "Got the notification of a user action. sequenceNumber:" + sequenceNumber); 2376 } 2377 synchronized (mMethodMap) { 2378 if (mCurUserActionNotificationSequenceNumber != sequenceNumber) { 2379 if (DEBUG) { 2380 Slog.d(TAG, "Ignoring the user action notification due to the sequence number " 2381 + "mismatch. expected:" + mCurUserActionNotificationSequenceNumber 2382 + " actual: " + sequenceNumber); 2383 } 2384 return; 2385 } 2386 final InputMethodInfo imi = mMethodMap.get(mCurMethodId); 2387 if (imi != null) { 2388 mSwitchingController.onUserActionLocked(imi, mCurrentSubtype); 2389 } 2390 } 2391 } 2392 2393 private void setInputMethodWithSubtypeId(IBinder token, String id, int subtypeId) { 2394 synchronized (mMethodMap) { 2395 setInputMethodWithSubtypeIdLocked(token, id, subtypeId); 2396 } 2397 } 2398 2399 private void setInputMethodWithSubtypeIdLocked(IBinder token, String id, int subtypeId) { 2400 if (token == null) { 2401 if (mContext.checkCallingOrSelfPermission( 2402 android.Manifest.permission.WRITE_SECURE_SETTINGS) 2403 != PackageManager.PERMISSION_GRANTED) { 2404 throw new SecurityException( 2405 "Using null token requires permission " 2406 + android.Manifest.permission.WRITE_SECURE_SETTINGS); 2407 } 2408 } else if (mCurToken != token) { 2409 Slog.w(TAG, "Ignoring setInputMethod of uid " + Binder.getCallingUid() 2410 + " token: " + token); 2411 return; 2412 } 2413 2414 final long ident = Binder.clearCallingIdentity(); 2415 try { 2416 setInputMethodLocked(id, subtypeId); 2417 } finally { 2418 Binder.restoreCallingIdentity(ident); 2419 } 2420 } 2421 2422 @Override 2423 public void hideMySoftInput(IBinder token, int flags) { 2424 if (!calledFromValidUser()) { 2425 return; 2426 } 2427 synchronized (mMethodMap) { 2428 if (!calledWithValidToken(token)) { 2429 final int uid = Binder.getCallingUid(); 2430 Slog.e(TAG, "Ignoring hideInputMethod due to an invalid token. uid:" 2431 + uid + " token:" + token); 2432 return; 2433 } 2434 long ident = Binder.clearCallingIdentity(); 2435 try { 2436 hideCurrentInputLocked(flags, null); 2437 } finally { 2438 Binder.restoreCallingIdentity(ident); 2439 } 2440 } 2441 } 2442 2443 @Override 2444 public void showMySoftInput(IBinder token, int flags) { 2445 if (!calledFromValidUser()) { 2446 return; 2447 } 2448 synchronized (mMethodMap) { 2449 if (!calledWithValidToken(token)) { 2450 final int uid = Binder.getCallingUid(); 2451 Slog.e(TAG, "Ignoring showMySoftInput due to an invalid token. uid:" 2452 + uid + " token:" + token); 2453 return; 2454 } 2455 long ident = Binder.clearCallingIdentity(); 2456 try { 2457 showCurrentInputLocked(flags, null); 2458 } finally { 2459 Binder.restoreCallingIdentity(ident); 2460 } 2461 } 2462 } 2463 2464 void setEnabledSessionInMainThread(SessionState session) { 2465 if (mEnabledSession != session) { 2466 if (mEnabledSession != null && mEnabledSession.session != null) { 2467 try { 2468 if (DEBUG) Slog.v(TAG, "Disabling: " + mEnabledSession); 2469 mEnabledSession.method.setSessionEnabled(mEnabledSession.session, false); 2470 } catch (RemoteException e) { 2471 } 2472 } 2473 mEnabledSession = session; 2474 if (mEnabledSession != null && mEnabledSession.session != null) { 2475 try { 2476 if (DEBUG) Slog.v(TAG, "Enabling: " + mEnabledSession); 2477 mEnabledSession.method.setSessionEnabled(mEnabledSession.session, true); 2478 } catch (RemoteException e) { 2479 } 2480 } 2481 } 2482 } 2483 2484 @Override 2485 public boolean handleMessage(Message msg) { 2486 SomeArgs args; 2487 switch (msg.what) { 2488 case MSG_SHOW_IM_PICKER: 2489 showInputMethodMenu(); 2490 return true; 2491 2492 case MSG_SHOW_IM_SUBTYPE_PICKER: 2493 showInputMethodSubtypeMenu(); 2494 return true; 2495 2496 case MSG_SHOW_IM_SUBTYPE_ENABLER: 2497 args = (SomeArgs)msg.obj; 2498 showInputMethodAndSubtypeEnabler((String)args.arg1); 2499 args.recycle(); 2500 return true; 2501 2502 case MSG_SHOW_IM_CONFIG: 2503 showConfigureInputMethods(); 2504 return true; 2505 2506 // --------------------------------------------------------- 2507 2508 case MSG_UNBIND_INPUT: 2509 try { 2510 ((IInputMethod)msg.obj).unbindInput(); 2511 } catch (RemoteException e) { 2512 // There is nothing interesting about the method dying. 2513 } 2514 return true; 2515 case MSG_BIND_INPUT: 2516 args = (SomeArgs)msg.obj; 2517 try { 2518 ((IInputMethod)args.arg1).bindInput((InputBinding)args.arg2); 2519 } catch (RemoteException e) { 2520 } 2521 args.recycle(); 2522 return true; 2523 case MSG_SHOW_SOFT_INPUT: 2524 args = (SomeArgs)msg.obj; 2525 try { 2526 if (DEBUG) Slog.v(TAG, "Calling " + args.arg1 + ".showSoftInput(" 2527 + msg.arg1 + ", " + args.arg2 + ")"); 2528 ((IInputMethod)args.arg1).showSoftInput(msg.arg1, (ResultReceiver)args.arg2); 2529 } catch (RemoteException e) { 2530 } 2531 args.recycle(); 2532 return true; 2533 case MSG_HIDE_SOFT_INPUT: 2534 args = (SomeArgs)msg.obj; 2535 try { 2536 if (DEBUG) Slog.v(TAG, "Calling " + args.arg1 + ".hideSoftInput(0, " 2537 + args.arg2 + ")"); 2538 ((IInputMethod)args.arg1).hideSoftInput(0, (ResultReceiver)args.arg2); 2539 } catch (RemoteException e) { 2540 } 2541 args.recycle(); 2542 return true; 2543 case MSG_ATTACH_TOKEN: 2544 args = (SomeArgs)msg.obj; 2545 try { 2546 if (DEBUG) Slog.v(TAG, "Sending attach of token: " + args.arg2); 2547 ((IInputMethod)args.arg1).attachToken((IBinder)args.arg2); 2548 } catch (RemoteException e) { 2549 } 2550 args.recycle(); 2551 return true; 2552 case MSG_CREATE_SESSION: { 2553 args = (SomeArgs)msg.obj; 2554 IInputMethod method = (IInputMethod)args.arg1; 2555 InputChannel channel = (InputChannel)args.arg2; 2556 try { 2557 method.createSession(channel, (IInputSessionCallback)args.arg3); 2558 } catch (RemoteException e) { 2559 } finally { 2560 // Dispose the channel if the input method is not local to this process 2561 // because the remote proxy will get its own copy when unparceled. 2562 if (channel != null && Binder.isProxy(method)) { 2563 channel.dispose(); 2564 } 2565 } 2566 args.recycle(); 2567 return true; 2568 } 2569 // --------------------------------------------------------- 2570 2571 case MSG_START_INPUT: 2572 args = (SomeArgs)msg.obj; 2573 try { 2574 SessionState session = (SessionState)args.arg1; 2575 setEnabledSessionInMainThread(session); 2576 session.method.startInput((IInputContext)args.arg2, 2577 (EditorInfo)args.arg3); 2578 } catch (RemoteException e) { 2579 } 2580 args.recycle(); 2581 return true; 2582 case MSG_RESTART_INPUT: 2583 args = (SomeArgs)msg.obj; 2584 try { 2585 SessionState session = (SessionState)args.arg1; 2586 setEnabledSessionInMainThread(session); 2587 session.method.restartInput((IInputContext)args.arg2, 2588 (EditorInfo)args.arg3); 2589 } catch (RemoteException e) { 2590 } 2591 args.recycle(); 2592 return true; 2593 2594 // --------------------------------------------------------- 2595 2596 case MSG_UNBIND_METHOD: 2597 try { 2598 ((IInputMethodClient)msg.obj).onUnbindMethod(msg.arg1); 2599 } catch (RemoteException e) { 2600 // There is nothing interesting about the last client dying. 2601 } 2602 return true; 2603 case MSG_BIND_METHOD: { 2604 args = (SomeArgs)msg.obj; 2605 IInputMethodClient client = (IInputMethodClient)args.arg1; 2606 InputBindResult res = (InputBindResult)args.arg2; 2607 try { 2608 client.onBindMethod(res); 2609 } catch (RemoteException e) { 2610 Slog.w(TAG, "Client died receiving input method " + args.arg2); 2611 } finally { 2612 // Dispose the channel if the input method is not local to this process 2613 // because the remote proxy will get its own copy when unparceled. 2614 if (res.channel != null && Binder.isProxy(client)) { 2615 res.channel.dispose(); 2616 } 2617 } 2618 args.recycle(); 2619 return true; 2620 } 2621 case MSG_SET_ACTIVE: 2622 try { 2623 ((ClientState)msg.obj).client.setActive(msg.arg1 != 0); 2624 } catch (RemoteException e) { 2625 Slog.w(TAG, "Got RemoteException sending setActive(false) notification to pid " 2626 + ((ClientState)msg.obj).pid + " uid " 2627 + ((ClientState)msg.obj).uid); 2628 } 2629 return true; 2630 case MSG_SET_USER_ACTION_NOTIFICATION_SEQUENCE_NUMBER: { 2631 final int sequenceNumber = msg.arg1; 2632 final ClientState clientState = (ClientState)msg.obj; 2633 try { 2634 clientState.client.setUserActionNotificationSequenceNumber(sequenceNumber); 2635 } catch (RemoteException e) { 2636 Slog.w(TAG, "Got RemoteException sending " 2637 + "setUserActionNotificationSequenceNumber(" 2638 + sequenceNumber + ") notification to pid " 2639 + clientState.pid + " uid " 2640 + clientState.uid); 2641 } 2642 return true; 2643 } 2644 2645 // -------------------------------------------------------------- 2646 case MSG_HARD_KEYBOARD_SWITCH_CHANGED: 2647 mHardKeyboardListener.handleHardKeyboardStatusChange(msg.arg1 == 1); 2648 return true; 2649 } 2650 return false; 2651 } 2652 2653 private boolean chooseNewDefaultIMELocked() { 2654 final InputMethodInfo imi = InputMethodUtils.getMostApplicableDefaultIME( 2655 mSettings.getEnabledInputMethodListLocked()); 2656 if (imi != null) { 2657 if (DEBUG) { 2658 Slog.d(TAG, "New default IME was selected: " + imi.getId()); 2659 } 2660 resetSelectedInputMethodAndSubtypeLocked(imi.getId()); 2661 return true; 2662 } 2663 2664 return false; 2665 } 2666 2667 void buildInputMethodListLocked(ArrayList<InputMethodInfo> list, 2668 HashMap<String, InputMethodInfo> map, boolean resetDefaultEnabledIme) { 2669 if (DEBUG) { 2670 Slog.d(TAG, "--- re-buildInputMethodList reset = " + resetDefaultEnabledIme 2671 + " \n ------ \n" + InputMethodUtils.getStackTrace()); 2672 } 2673 list.clear(); 2674 map.clear(); 2675 2676 // Use for queryIntentServicesAsUser 2677 final PackageManager pm = mContext.getPackageManager(); 2678 String disabledSysImes = mSettings.getDisabledSystemInputMethods(); 2679 if (disabledSysImes == null) disabledSysImes = ""; 2680 2681 final List<ResolveInfo> services = pm.queryIntentServicesAsUser( 2682 new Intent(InputMethod.SERVICE_INTERFACE), 2683 PackageManager.GET_META_DATA | PackageManager.GET_DISABLED_UNTIL_USED_COMPONENTS, 2684 mSettings.getCurrentUserId()); 2685 2686 final HashMap<String, List<InputMethodSubtype>> additionalSubtypes = 2687 mFileManager.getAllAdditionalInputMethodSubtypes(); 2688 for (int i = 0; i < services.size(); ++i) { 2689 ResolveInfo ri = services.get(i); 2690 ServiceInfo si = ri.serviceInfo; 2691 ComponentName compName = new ComponentName(si.packageName, si.name); 2692 if (!android.Manifest.permission.BIND_INPUT_METHOD.equals( 2693 si.permission)) { 2694 Slog.w(TAG, "Skipping input method " + compName 2695 + ": it does not require the permission " 2696 + android.Manifest.permission.BIND_INPUT_METHOD); 2697 continue; 2698 } 2699 2700 if (DEBUG) Slog.d(TAG, "Checking " + compName); 2701 2702 try { 2703 InputMethodInfo p = new InputMethodInfo(mContext, ri, additionalSubtypes); 2704 list.add(p); 2705 final String id = p.getId(); 2706 map.put(id, p); 2707 2708 if (DEBUG) { 2709 Slog.d(TAG, "Found an input method " + p); 2710 } 2711 2712 } catch (XmlPullParserException e) { 2713 Slog.w(TAG, "Unable to load input method " + compName, e); 2714 } catch (IOException e) { 2715 Slog.w(TAG, "Unable to load input method " + compName, e); 2716 } 2717 } 2718 2719 if (resetDefaultEnabledIme) { 2720 final ArrayList<InputMethodInfo> defaultEnabledIme = 2721 InputMethodUtils.getDefaultEnabledImes(mContext, mSystemReady, list); 2722 for (int i = 0; i < defaultEnabledIme.size(); ++i) { 2723 final InputMethodInfo imi = defaultEnabledIme.get(i); 2724 if (DEBUG) { 2725 Slog.d(TAG, "--- enable ime = " + imi); 2726 } 2727 setInputMethodEnabledLocked(imi.getId(), true); 2728 } 2729 } 2730 2731 final String defaultImiId = mSettings.getSelectedInputMethod(); 2732 if (!TextUtils.isEmpty(defaultImiId)) { 2733 if (!map.containsKey(defaultImiId)) { 2734 Slog.w(TAG, "Default IME is uninstalled. Choose new default IME."); 2735 if (chooseNewDefaultIMELocked()) { 2736 updateInputMethodsFromSettingsLocked(true); 2737 } 2738 } else { 2739 // Double check that the default IME is certainly enabled. 2740 setInputMethodEnabledLocked(defaultImiId, true); 2741 } 2742 } 2743 // Here is not the perfect place to reset the switching controller. Ideally 2744 // mSwitchingController and mSettings should be able to share the same state. 2745 // TODO: Make sure that mSwitchingController and mSettings are sharing the 2746 // the same enabled IMEs list. 2747 mSwitchingController.resetCircularListLocked(mContext); 2748 } 2749 2750 // ---------------------------------------------------------------------- 2751 2752 private void showInputMethodMenu() { 2753 showInputMethodMenuInternal(false); 2754 } 2755 2756 private void showInputMethodSubtypeMenu() { 2757 showInputMethodMenuInternal(true); 2758 } 2759 2760 private void showInputMethodAndSubtypeEnabler(String inputMethodId) { 2761 Intent intent = new Intent(Settings.ACTION_INPUT_METHOD_SUBTYPE_SETTINGS); 2762 intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK 2763 | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED 2764 | Intent.FLAG_ACTIVITY_CLEAR_TOP); 2765 if (!TextUtils.isEmpty(inputMethodId)) { 2766 intent.putExtra(Settings.EXTRA_INPUT_METHOD_ID, inputMethodId); 2767 } 2768 mContext.startActivityAsUser(intent, null, UserHandle.CURRENT); 2769 } 2770 2771 private void showConfigureInputMethods() { 2772 Intent intent = new Intent(Settings.ACTION_INPUT_METHOD_SETTINGS); 2773 intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK 2774 | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED 2775 | Intent.FLAG_ACTIVITY_CLEAR_TOP); 2776 mContext.startActivityAsUser(intent, null, UserHandle.CURRENT); 2777 } 2778 2779 private boolean isScreenLocked() { 2780 return mKeyguardManager != null 2781 && mKeyguardManager.isKeyguardLocked() && mKeyguardManager.isKeyguardSecure(); 2782 } 2783 2784 private void showInputMethodMenuInternal(boolean showSubtypes) { 2785 if (DEBUG) Slog.v(TAG, "Show switching menu"); 2786 2787 final Context context = mContext; 2788 final boolean isScreenLocked = isScreenLocked(); 2789 2790 final String lastInputMethodId = mSettings.getSelectedInputMethod(); 2791 int lastInputMethodSubtypeId = mSettings.getSelectedInputMethodSubtypeId(lastInputMethodId); 2792 if (DEBUG) Slog.v(TAG, "Current IME: " + lastInputMethodId); 2793 2794 synchronized (mMethodMap) { 2795 final HashMap<InputMethodInfo, List<InputMethodSubtype>> immis = 2796 mSettings.getExplicitlyOrImplicitlyEnabledInputMethodsAndSubtypeListLocked( 2797 mContext); 2798 if (immis == null || immis.size() == 0) { 2799 return; 2800 } 2801 2802 hideInputMethodMenuLocked(); 2803 2804 final List<ImeSubtypeListItem> imList = 2805 mSwitchingController.getSortedInputMethodAndSubtypeListLocked( 2806 showSubtypes, mInputShown, isScreenLocked); 2807 2808 if (lastInputMethodSubtypeId == NOT_A_SUBTYPE_ID) { 2809 final InputMethodSubtype currentSubtype = getCurrentInputMethodSubtypeLocked(); 2810 if (currentSubtype != null) { 2811 final InputMethodInfo currentImi = mMethodMap.get(mCurMethodId); 2812 lastInputMethodSubtypeId = InputMethodUtils.getSubtypeIdFromHashCode( 2813 currentImi, currentSubtype.hashCode()); 2814 } 2815 } 2816 2817 final int N = imList.size(); 2818 mIms = new InputMethodInfo[N]; 2819 mSubtypeIds = new int[N]; 2820 int checkedItem = 0; 2821 for (int i = 0; i < N; ++i) { 2822 final ImeSubtypeListItem item = imList.get(i); 2823 mIms[i] = item.mImi; 2824 mSubtypeIds[i] = item.mSubtypeId; 2825 if (mIms[i].getId().equals(lastInputMethodId)) { 2826 int subtypeId = mSubtypeIds[i]; 2827 if ((subtypeId == NOT_A_SUBTYPE_ID) 2828 || (lastInputMethodSubtypeId == NOT_A_SUBTYPE_ID && subtypeId == 0) 2829 || (subtypeId == lastInputMethodSubtypeId)) { 2830 checkedItem = i; 2831 } 2832 } 2833 } 2834 2835 final Context settingsContext = new ContextThemeWrapper(context, 2836 com.android.internal.R.style.Theme_DeviceDefault_Settings); 2837 2838 mDialogBuilder = new AlertDialog.Builder(settingsContext); 2839 mDialogBuilder.setOnCancelListener(new OnCancelListener() { 2840 @Override 2841 public void onCancel(DialogInterface dialog) { 2842 hideInputMethodMenu(); 2843 } 2844 }); 2845 2846 final Context dialogContext = mDialogBuilder.getContext(); 2847 final TypedArray a = dialogContext.obtainStyledAttributes(null, 2848 com.android.internal.R.styleable.DialogPreference, 2849 com.android.internal.R.attr.alertDialogStyle, 0); 2850 final Drawable dialogIcon = a.getDrawable( 2851 com.android.internal.R.styleable.DialogPreference_dialogIcon); 2852 a.recycle(); 2853 2854 mDialogBuilder.setIcon(dialogIcon); 2855 2856 final LayoutInflater inflater = (LayoutInflater) dialogContext.getSystemService( 2857 Context.LAYOUT_INFLATER_SERVICE); 2858 final View tv = inflater.inflate( 2859 com.android.internal.R.layout.input_method_switch_dialog_title, null); 2860 mDialogBuilder.setCustomTitle(tv); 2861 2862 // Setup layout for a toggle switch of the hardware keyboard 2863 mSwitchingDialogTitleView = tv; 2864 mSwitchingDialogTitleView 2865 .findViewById(com.android.internal.R.id.hard_keyboard_section) 2866 .setVisibility(mWindowManagerService.isHardKeyboardAvailable() 2867 ? View.VISIBLE : View.GONE); 2868 final Switch hardKeySwitch = (Switch) mSwitchingDialogTitleView.findViewById( 2869 com.android.internal.R.id.hard_keyboard_switch); 2870 hardKeySwitch.setChecked(mShowImeWithHardKeyboard); 2871 hardKeySwitch.setOnCheckedChangeListener(new OnCheckedChangeListener() { 2872 @Override 2873 public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) { 2874 mSettings.setShowImeWithHardKeyboard(isChecked); 2875 // Ensure that the input method dialog is dismissed when changing 2876 // the hardware keyboard state. 2877 hideInputMethodMenu(); 2878 } 2879 }); 2880 2881 final ImeSubtypeListAdapter adapter = new ImeSubtypeListAdapter(dialogContext, 2882 com.android.internal.R.layout.input_method_switch_item, imList, checkedItem); 2883 final OnClickListener choiceListener = new OnClickListener() { 2884 @Override 2885 public void onClick(final DialogInterface dialog, final int which) { 2886 synchronized (mMethodMap) { 2887 if (mIms == null || mIms.length <= which || mSubtypeIds == null 2888 || mSubtypeIds.length <= which) { 2889 return; 2890 } 2891 final InputMethodInfo im = mIms[which]; 2892 int subtypeId = mSubtypeIds[which]; 2893 adapter.mCheckedItem = which; 2894 adapter.notifyDataSetChanged(); 2895 hideInputMethodMenu(); 2896 if (im != null) { 2897 if (subtypeId < 0 || subtypeId >= im.getSubtypeCount()) { 2898 subtypeId = NOT_A_SUBTYPE_ID; 2899 } 2900 setInputMethodLocked(im.getId(), subtypeId); 2901 } 2902 } 2903 } 2904 }; 2905 mDialogBuilder.setSingleChoiceItems(adapter, checkedItem, choiceListener); 2906 2907 if (showSubtypes && !isScreenLocked) { 2908 final OnClickListener positiveListener = new OnClickListener() { 2909 @Override 2910 public void onClick(DialogInterface dialog, int whichButton) { 2911 showConfigureInputMethods(); 2912 } 2913 }; 2914 mDialogBuilder.setPositiveButton( 2915 com.android.internal.R.string.configure_input_methods, positiveListener); 2916 } 2917 mSwitchingDialog = mDialogBuilder.create(); 2918 mSwitchingDialog.setCanceledOnTouchOutside(true); 2919 mSwitchingDialog.getWindow().setType( 2920 WindowManager.LayoutParams.TYPE_INPUT_METHOD_DIALOG); 2921 mSwitchingDialog.getWindow().getAttributes().privateFlags |= 2922 WindowManager.LayoutParams.PRIVATE_FLAG_SHOW_FOR_ALL_USERS; 2923 mSwitchingDialog.getWindow().getAttributes().setTitle("Select input method"); 2924 updateImeWindowStatusLocked(); 2925 mSwitchingDialog.show(); 2926 } 2927 } 2928 2929 private static class ImeSubtypeListAdapter extends ArrayAdapter<ImeSubtypeListItem> { 2930 private final LayoutInflater mInflater; 2931 private final int mTextViewResourceId; 2932 private final List<ImeSubtypeListItem> mItemsList; 2933 public int mCheckedItem; 2934 public ImeSubtypeListAdapter(Context context, int textViewResourceId, 2935 List<ImeSubtypeListItem> itemsList, int checkedItem) { 2936 super(context, textViewResourceId, itemsList); 2937 2938 mTextViewResourceId = textViewResourceId; 2939 mItemsList = itemsList; 2940 mCheckedItem = checkedItem; 2941 mInflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE); 2942 } 2943 2944 @Override 2945 public View getView(int position, View convertView, ViewGroup parent) { 2946 final View view = convertView != null ? convertView 2947 : mInflater.inflate(mTextViewResourceId, null); 2948 if (position < 0 || position >= mItemsList.size()) return view; 2949 final ImeSubtypeListItem item = mItemsList.get(position); 2950 final CharSequence imeName = item.mImeName; 2951 final CharSequence subtypeName = item.mSubtypeName; 2952 final TextView firstTextView = (TextView)view.findViewById(android.R.id.text1); 2953 final TextView secondTextView = (TextView)view.findViewById(android.R.id.text2); 2954 if (TextUtils.isEmpty(subtypeName)) { 2955 firstTextView.setText(imeName); 2956 secondTextView.setVisibility(View.GONE); 2957 } else { 2958 firstTextView.setText(subtypeName); 2959 secondTextView.setText(imeName); 2960 secondTextView.setVisibility(View.VISIBLE); 2961 } 2962 final RadioButton radioButton = 2963 (RadioButton)view.findViewById(com.android.internal.R.id.radio); 2964 radioButton.setChecked(position == mCheckedItem); 2965 return view; 2966 } 2967 } 2968 2969 void hideInputMethodMenu() { 2970 synchronized (mMethodMap) { 2971 hideInputMethodMenuLocked(); 2972 } 2973 } 2974 2975 void hideInputMethodMenuLocked() { 2976 if (DEBUG) Slog.v(TAG, "Hide switching menu"); 2977 2978 if (mSwitchingDialog != null) { 2979 mSwitchingDialog.dismiss(); 2980 mSwitchingDialog = null; 2981 } 2982 2983 updateImeWindowStatusLocked(); 2984 mDialogBuilder = null; 2985 mIms = null; 2986 } 2987 2988 // ---------------------------------------------------------------------- 2989 2990 @Override 2991 public boolean setInputMethodEnabled(String id, boolean enabled) { 2992 // TODO: Make this work even for non-current users? 2993 if (!calledFromValidUser()) { 2994 return false; 2995 } 2996 synchronized (mMethodMap) { 2997 if (mContext.checkCallingOrSelfPermission( 2998 android.Manifest.permission.WRITE_SECURE_SETTINGS) 2999 != PackageManager.PERMISSION_GRANTED) { 3000 throw new SecurityException( 3001 "Requires permission " 3002 + android.Manifest.permission.WRITE_SECURE_SETTINGS); 3003 } 3004 3005 long ident = Binder.clearCallingIdentity(); 3006 try { 3007 return setInputMethodEnabledLocked(id, enabled); 3008 } finally { 3009 Binder.restoreCallingIdentity(ident); 3010 } 3011 } 3012 } 3013 3014 boolean setInputMethodEnabledLocked(String id, boolean enabled) { 3015 // Make sure this is a valid input method. 3016 InputMethodInfo imm = mMethodMap.get(id); 3017 if (imm == null) { 3018 throw new IllegalArgumentException("Unknown id: " + mCurMethodId); 3019 } 3020 3021 List<Pair<String, ArrayList<String>>> enabledInputMethodsList = mSettings 3022 .getEnabledInputMethodsAndSubtypeListLocked(); 3023 3024 if (enabled) { 3025 for (Pair<String, ArrayList<String>> pair: enabledInputMethodsList) { 3026 if (pair.first.equals(id)) { 3027 // We are enabling this input method, but it is already enabled. 3028 // Nothing to do. The previous state was enabled. 3029 return true; 3030 } 3031 } 3032 mSettings.appendAndPutEnabledInputMethodLocked(id, false); 3033 // Previous state was disabled. 3034 return false; 3035 } else { 3036 StringBuilder builder = new StringBuilder(); 3037 if (mSettings.buildAndPutEnabledInputMethodsStrRemovingIdLocked( 3038 builder, enabledInputMethodsList, id)) { 3039 // Disabled input method is currently selected, switch to another one. 3040 final String selId = mSettings.getSelectedInputMethod(); 3041 if (id.equals(selId) && !chooseNewDefaultIMELocked()) { 3042 Slog.i(TAG, "Can't find new IME, unsetting the current input method."); 3043 resetSelectedInputMethodAndSubtypeLocked(""); 3044 } 3045 // Previous state was enabled. 3046 return true; 3047 } else { 3048 // We are disabling the input method but it is already disabled. 3049 // Nothing to do. The previous state was disabled. 3050 return false; 3051 } 3052 } 3053 } 3054 3055 private void setSelectedInputMethodAndSubtypeLocked(InputMethodInfo imi, int subtypeId, 3056 boolean setSubtypeOnly) { 3057 // Update the history of InputMethod and Subtype 3058 mSettings.saveCurrentInputMethodAndSubtypeToHistory(mCurMethodId, mCurrentSubtype); 3059 3060 mCurUserActionNotificationSequenceNumber = 3061 Math.max(mCurUserActionNotificationSequenceNumber + 1, 1); 3062 if (DEBUG) { 3063 Slog.d(TAG, "Bump mCurUserActionNotificationSequenceNumber:" 3064 + mCurUserActionNotificationSequenceNumber); 3065 } 3066 3067 if (mCurClient != null && mCurClient.client != null) { 3068 executeOrSendMessage(mCurClient.client, mCaller.obtainMessageIO( 3069 MSG_SET_USER_ACTION_NOTIFICATION_SEQUENCE_NUMBER, 3070 mCurUserActionNotificationSequenceNumber, mCurClient)); 3071 } 3072 3073 // Set Subtype here 3074 if (imi == null || subtypeId < 0) { 3075 mSettings.putSelectedSubtype(NOT_A_SUBTYPE_ID); 3076 mCurrentSubtype = null; 3077 } else { 3078 if (subtypeId < imi.getSubtypeCount()) { 3079 InputMethodSubtype subtype = imi.getSubtypeAt(subtypeId); 3080 mSettings.putSelectedSubtype(subtype.hashCode()); 3081 mCurrentSubtype = subtype; 3082 } else { 3083 mSettings.putSelectedSubtype(NOT_A_SUBTYPE_ID); 3084 // If the subtype is not specified, choose the most applicable one 3085 mCurrentSubtype = getCurrentInputMethodSubtypeLocked(); 3086 } 3087 } 3088 3089 // Workaround. 3090 // ASEC is not ready in the IMMS constructor. Accordingly, forward-locked 3091 // IMEs are not recognized and considered uninstalled. 3092 // Actually, we can't move everything after SystemReady because 3093 // IMMS needs to run in the encryption lock screen. So, we just skip changing 3094 // the default IME here and try cheking the default IME again in systemReady(). 3095 // TODO: Do nothing before system ready and implement a separated logic for 3096 // the encryption lock screen. 3097 // TODO: ASEC should be ready before IMMS is instantiated. 3098 if (mSystemReady && !setSubtypeOnly) { 3099 // Set InputMethod here 3100 mSettings.putSelectedInputMethod(imi != null ? imi.getId() : ""); 3101 } 3102 } 3103 3104 private void resetSelectedInputMethodAndSubtypeLocked(String newDefaultIme) { 3105 InputMethodInfo imi = mMethodMap.get(newDefaultIme); 3106 int lastSubtypeId = NOT_A_SUBTYPE_ID; 3107 // newDefaultIme is empty when there is no candidate for the selected IME. 3108 if (imi != null && !TextUtils.isEmpty(newDefaultIme)) { 3109 String subtypeHashCode = mSettings.getLastSubtypeForInputMethodLocked(newDefaultIme); 3110 if (subtypeHashCode != null) { 3111 try { 3112 lastSubtypeId = InputMethodUtils.getSubtypeIdFromHashCode( 3113 imi, Integer.valueOf(subtypeHashCode)); 3114 } catch (NumberFormatException e) { 3115 Slog.w(TAG, "HashCode for subtype looks broken: " + subtypeHashCode, e); 3116 } 3117 } 3118 } 3119 setSelectedInputMethodAndSubtypeLocked(imi, lastSubtypeId, false); 3120 } 3121 3122 // If there are no selected shortcuts, tries finding the most applicable ones. 3123 private Pair<InputMethodInfo, InputMethodSubtype> 3124 findLastResortApplicableShortcutInputMethodAndSubtypeLocked(String mode) { 3125 List<InputMethodInfo> imis = mSettings.getEnabledInputMethodListLocked(); 3126 InputMethodInfo mostApplicableIMI = null; 3127 InputMethodSubtype mostApplicableSubtype = null; 3128 boolean foundInSystemIME = false; 3129 3130 // Search applicable subtype for each InputMethodInfo 3131 for (InputMethodInfo imi: imis) { 3132 final String imiId = imi.getId(); 3133 if (foundInSystemIME && !imiId.equals(mCurMethodId)) { 3134 continue; 3135 } 3136 InputMethodSubtype subtype = null; 3137 final List<InputMethodSubtype> enabledSubtypes = 3138 mSettings.getEnabledInputMethodSubtypeListLocked(mContext, imi, true); 3139 // 1. Search by the current subtype's locale from enabledSubtypes. 3140 if (mCurrentSubtype != null) { 3141 subtype = InputMethodUtils.findLastResortApplicableSubtypeLocked( 3142 mRes, enabledSubtypes, mode, mCurrentSubtype.getLocale(), false); 3143 } 3144 // 2. Search by the system locale from enabledSubtypes. 3145 // 3. Search the first enabled subtype matched with mode from enabledSubtypes. 3146 if (subtype == null) { 3147 subtype = InputMethodUtils.findLastResortApplicableSubtypeLocked( 3148 mRes, enabledSubtypes, mode, null, true); 3149 } 3150 final ArrayList<InputMethodSubtype> overridingImplicitlyEnabledSubtypes = 3151 InputMethodUtils.getOverridingImplicitlyEnabledSubtypes(imi, mode); 3152 final ArrayList<InputMethodSubtype> subtypesForSearch = 3153 overridingImplicitlyEnabledSubtypes.isEmpty() 3154 ? InputMethodUtils.getSubtypes(imi) 3155 : overridingImplicitlyEnabledSubtypes; 3156 // 4. Search by the current subtype's locale from all subtypes. 3157 if (subtype == null && mCurrentSubtype != null) { 3158 subtype = InputMethodUtils.findLastResortApplicableSubtypeLocked( 3159 mRes, subtypesForSearch, mode, mCurrentSubtype.getLocale(), false); 3160 } 3161 // 5. Search by the system locale from all subtypes. 3162 // 6. Search the first enabled subtype matched with mode from all subtypes. 3163 if (subtype == null) { 3164 subtype = InputMethodUtils.findLastResortApplicableSubtypeLocked( 3165 mRes, subtypesForSearch, mode, null, true); 3166 } 3167 if (subtype != null) { 3168 if (imiId.equals(mCurMethodId)) { 3169 // The current input method is the most applicable IME. 3170 mostApplicableIMI = imi; 3171 mostApplicableSubtype = subtype; 3172 break; 3173 } else if (!foundInSystemIME) { 3174 // The system input method is 2nd applicable IME. 3175 mostApplicableIMI = imi; 3176 mostApplicableSubtype = subtype; 3177 if ((imi.getServiceInfo().applicationInfo.flags 3178 & ApplicationInfo.FLAG_SYSTEM) != 0) { 3179 foundInSystemIME = true; 3180 } 3181 } 3182 } 3183 } 3184 if (DEBUG) { 3185 if (mostApplicableIMI != null) { 3186 Slog.w(TAG, "Most applicable shortcut input method was:" 3187 + mostApplicableIMI.getId()); 3188 if (mostApplicableSubtype != null) { 3189 Slog.w(TAG, "Most applicable shortcut input method subtype was:" 3190 + "," + mostApplicableSubtype.getMode() + "," 3191 + mostApplicableSubtype.getLocale()); 3192 } 3193 } 3194 } 3195 if (mostApplicableIMI != null) { 3196 return new Pair<InputMethodInfo, InputMethodSubtype> (mostApplicableIMI, 3197 mostApplicableSubtype); 3198 } else { 3199 return null; 3200 } 3201 } 3202 3203 /** 3204 * @return Return the current subtype of this input method. 3205 */ 3206 @Override 3207 public InputMethodSubtype getCurrentInputMethodSubtype() { 3208 // TODO: Make this work even for non-current users? 3209 if (!calledFromValidUser()) { 3210 return null; 3211 } 3212 synchronized (mMethodMap) { 3213 return getCurrentInputMethodSubtypeLocked(); 3214 } 3215 } 3216 3217 private InputMethodSubtype getCurrentInputMethodSubtypeLocked() { 3218 if (mCurMethodId == null) { 3219 return null; 3220 } 3221 final boolean subtypeIsSelected = mSettings.isSubtypeSelected(); 3222 final InputMethodInfo imi = mMethodMap.get(mCurMethodId); 3223 if (imi == null || imi.getSubtypeCount() == 0) { 3224 return null; 3225 } 3226 if (!subtypeIsSelected || mCurrentSubtype == null 3227 || !InputMethodUtils.isValidSubtypeId(imi, mCurrentSubtype.hashCode())) { 3228 int subtypeId = mSettings.getSelectedInputMethodSubtypeId(mCurMethodId); 3229 if (subtypeId == NOT_A_SUBTYPE_ID) { 3230 // If there are no selected subtypes, the framework will try to find 3231 // the most applicable subtype from explicitly or implicitly enabled 3232 // subtypes. 3233 List<InputMethodSubtype> explicitlyOrImplicitlyEnabledSubtypes = 3234 mSettings.getEnabledInputMethodSubtypeListLocked(mContext, imi, true); 3235 // If there is only one explicitly or implicitly enabled subtype, 3236 // just returns it. 3237 if (explicitlyOrImplicitlyEnabledSubtypes.size() == 1) { 3238 mCurrentSubtype = explicitlyOrImplicitlyEnabledSubtypes.get(0); 3239 } else if (explicitlyOrImplicitlyEnabledSubtypes.size() > 1) { 3240 mCurrentSubtype = InputMethodUtils.findLastResortApplicableSubtypeLocked( 3241 mRes, explicitlyOrImplicitlyEnabledSubtypes, 3242 InputMethodUtils.SUBTYPE_MODE_KEYBOARD, null, true); 3243 if (mCurrentSubtype == null) { 3244 mCurrentSubtype = InputMethodUtils.findLastResortApplicableSubtypeLocked( 3245 mRes, explicitlyOrImplicitlyEnabledSubtypes, null, null, 3246 true); 3247 } 3248 } 3249 } else { 3250 mCurrentSubtype = InputMethodUtils.getSubtypes(imi).get(subtypeId); 3251 } 3252 } 3253 return mCurrentSubtype; 3254 } 3255 3256 private void addShortcutInputMethodAndSubtypes(InputMethodInfo imi, 3257 InputMethodSubtype subtype) { 3258 if (mShortcutInputMethodsAndSubtypes.containsKey(imi)) { 3259 mShortcutInputMethodsAndSubtypes.get(imi).add(subtype); 3260 } else { 3261 ArrayList<InputMethodSubtype> subtypes = new ArrayList<InputMethodSubtype>(); 3262 subtypes.add(subtype); 3263 mShortcutInputMethodsAndSubtypes.put(imi, subtypes); 3264 } 3265 } 3266 3267 // TODO: We should change the return type from List to List<Parcelable> 3268 @SuppressWarnings("rawtypes") 3269 @Override 3270 public List getShortcutInputMethodsAndSubtypes() { 3271 synchronized (mMethodMap) { 3272 ArrayList<Object> ret = new ArrayList<Object>(); 3273 if (mShortcutInputMethodsAndSubtypes.size() == 0) { 3274 // If there are no selected shortcut subtypes, the framework will try to find 3275 // the most applicable subtype from all subtypes whose mode is 3276 // SUBTYPE_MODE_VOICE. This is an exceptional case, so we will hardcode the mode. 3277 Pair<InputMethodInfo, InputMethodSubtype> info = 3278 findLastResortApplicableShortcutInputMethodAndSubtypeLocked( 3279 InputMethodUtils.SUBTYPE_MODE_VOICE); 3280 if (info != null) { 3281 ret.add(info.first); 3282 ret.add(info.second); 3283 } 3284 return ret; 3285 } 3286 for (InputMethodInfo imi: mShortcutInputMethodsAndSubtypes.keySet()) { 3287 ret.add(imi); 3288 for (InputMethodSubtype subtype: mShortcutInputMethodsAndSubtypes.get(imi)) { 3289 ret.add(subtype); 3290 } 3291 } 3292 return ret; 3293 } 3294 } 3295 3296 @Override 3297 public boolean setCurrentInputMethodSubtype(InputMethodSubtype subtype) { 3298 // TODO: Make this work even for non-current users? 3299 if (!calledFromValidUser()) { 3300 return false; 3301 } 3302 synchronized (mMethodMap) { 3303 if (subtype != null && mCurMethodId != null) { 3304 InputMethodInfo imi = mMethodMap.get(mCurMethodId); 3305 int subtypeId = InputMethodUtils.getSubtypeIdFromHashCode(imi, subtype.hashCode()); 3306 if (subtypeId != NOT_A_SUBTYPE_ID) { 3307 setInputMethodLocked(mCurMethodId, subtypeId); 3308 return true; 3309 } 3310 } 3311 return false; 3312 } 3313 } 3314 3315 // TODO: Cache the state for each user and reset when the cached user is removed. 3316 private static class InputMethodFileManager { 3317 private static final String SYSTEM_PATH = "system"; 3318 private static final String INPUT_METHOD_PATH = "inputmethod"; 3319 private static final String ADDITIONAL_SUBTYPES_FILE_NAME = "subtypes.xml"; 3320 private static final String NODE_SUBTYPES = "subtypes"; 3321 private static final String NODE_SUBTYPE = "subtype"; 3322 private static final String NODE_IMI = "imi"; 3323 private static final String ATTR_ID = "id"; 3324 private static final String ATTR_LABEL = "label"; 3325 private static final String ATTR_ICON = "icon"; 3326 private static final String ATTR_IME_SUBTYPE_LOCALE = "imeSubtypeLocale"; 3327 private static final String ATTR_IME_SUBTYPE_MODE = "imeSubtypeMode"; 3328 private static final String ATTR_IME_SUBTYPE_EXTRA_VALUE = "imeSubtypeExtraValue"; 3329 private static final String ATTR_IS_AUXILIARY = "isAuxiliary"; 3330 private final AtomicFile mAdditionalInputMethodSubtypeFile; 3331 private final HashMap<String, InputMethodInfo> mMethodMap; 3332 private final HashMap<String, List<InputMethodSubtype>> mAdditionalSubtypesMap = 3333 new HashMap<String, List<InputMethodSubtype>>(); 3334 public InputMethodFileManager(HashMap<String, InputMethodInfo> methodMap, int userId) { 3335 if (methodMap == null) { 3336 throw new NullPointerException("methodMap is null"); 3337 } 3338 mMethodMap = methodMap; 3339 final File systemDir = userId == UserHandle.USER_OWNER 3340 ? new File(Environment.getDataDirectory(), SYSTEM_PATH) 3341 : Environment.getUserSystemDirectory(userId); 3342 final File inputMethodDir = new File(systemDir, INPUT_METHOD_PATH); 3343 if (!inputMethodDir.mkdirs()) { 3344 Slog.w(TAG, "Couldn't create dir.: " + inputMethodDir.getAbsolutePath()); 3345 } 3346 final File subtypeFile = new File(inputMethodDir, ADDITIONAL_SUBTYPES_FILE_NAME); 3347 mAdditionalInputMethodSubtypeFile = new AtomicFile(subtypeFile); 3348 if (!subtypeFile.exists()) { 3349 // If "subtypes.xml" doesn't exist, create a blank file. 3350 writeAdditionalInputMethodSubtypes( 3351 mAdditionalSubtypesMap, mAdditionalInputMethodSubtypeFile, methodMap); 3352 } else { 3353 readAdditionalInputMethodSubtypes( 3354 mAdditionalSubtypesMap, mAdditionalInputMethodSubtypeFile); 3355 } 3356 } 3357 3358 private void deleteAllInputMethodSubtypes(String imiId) { 3359 synchronized (mMethodMap) { 3360 mAdditionalSubtypesMap.remove(imiId); 3361 writeAdditionalInputMethodSubtypes( 3362 mAdditionalSubtypesMap, mAdditionalInputMethodSubtypeFile, mMethodMap); 3363 } 3364 } 3365 3366 public void addInputMethodSubtypes( 3367 InputMethodInfo imi, InputMethodSubtype[] additionalSubtypes) { 3368 synchronized (mMethodMap) { 3369 final ArrayList<InputMethodSubtype> subtypes = new ArrayList<InputMethodSubtype>(); 3370 final int N = additionalSubtypes.length; 3371 for (int i = 0; i < N; ++i) { 3372 final InputMethodSubtype subtype = additionalSubtypes[i]; 3373 if (!subtypes.contains(subtype)) { 3374 subtypes.add(subtype); 3375 } else { 3376 Slog.w(TAG, "Duplicated subtype definition found: " 3377 + subtype.getLocale() + ", " + subtype.getMode()); 3378 } 3379 } 3380 mAdditionalSubtypesMap.put(imi.getId(), subtypes); 3381 writeAdditionalInputMethodSubtypes( 3382 mAdditionalSubtypesMap, mAdditionalInputMethodSubtypeFile, mMethodMap); 3383 } 3384 } 3385 3386 public HashMap<String, List<InputMethodSubtype>> getAllAdditionalInputMethodSubtypes() { 3387 synchronized (mMethodMap) { 3388 return mAdditionalSubtypesMap; 3389 } 3390 } 3391 3392 private static void writeAdditionalInputMethodSubtypes( 3393 HashMap<String, List<InputMethodSubtype>> allSubtypes, AtomicFile subtypesFile, 3394 HashMap<String, InputMethodInfo> methodMap) { 3395 // Safety net for the case that this function is called before methodMap is set. 3396 final boolean isSetMethodMap = methodMap != null && methodMap.size() > 0; 3397 FileOutputStream fos = null; 3398 try { 3399 fos = subtypesFile.startWrite(); 3400 final XmlSerializer out = new FastXmlSerializer(); 3401 out.setOutput(fos, "utf-8"); 3402 out.startDocument(null, true); 3403 out.setFeature("http://xmlpull.org/v1/doc/features.html#indent-output", true); 3404 out.startTag(null, NODE_SUBTYPES); 3405 for (String imiId : allSubtypes.keySet()) { 3406 if (isSetMethodMap && !methodMap.containsKey(imiId)) { 3407 Slog.w(TAG, "IME uninstalled or not valid.: " + imiId); 3408 continue; 3409 } 3410 out.startTag(null, NODE_IMI); 3411 out.attribute(null, ATTR_ID, imiId); 3412 final List<InputMethodSubtype> subtypesList = allSubtypes.get(imiId); 3413 final int N = subtypesList.size(); 3414 for (int i = 0; i < N; ++i) { 3415 final InputMethodSubtype subtype = subtypesList.get(i); 3416 out.startTag(null, NODE_SUBTYPE); 3417 out.attribute(null, ATTR_ICON, String.valueOf(subtype.getIconResId())); 3418 out.attribute(null, ATTR_LABEL, String.valueOf(subtype.getNameResId())); 3419 out.attribute(null, ATTR_IME_SUBTYPE_LOCALE, subtype.getLocale()); 3420 out.attribute(null, ATTR_IME_SUBTYPE_MODE, subtype.getMode()); 3421 out.attribute(null, ATTR_IME_SUBTYPE_EXTRA_VALUE, subtype.getExtraValue()); 3422 out.attribute(null, ATTR_IS_AUXILIARY, 3423 String.valueOf(subtype.isAuxiliary() ? 1 : 0)); 3424 out.endTag(null, NODE_SUBTYPE); 3425 } 3426 out.endTag(null, NODE_IMI); 3427 } 3428 out.endTag(null, NODE_SUBTYPES); 3429 out.endDocument(); 3430 subtypesFile.finishWrite(fos); 3431 } catch (java.io.IOException e) { 3432 Slog.w(TAG, "Error writing subtypes", e); 3433 if (fos != null) { 3434 subtypesFile.failWrite(fos); 3435 } 3436 } 3437 } 3438 3439 private static void readAdditionalInputMethodSubtypes( 3440 HashMap<String, List<InputMethodSubtype>> allSubtypes, AtomicFile subtypesFile) { 3441 if (allSubtypes == null || subtypesFile == null) return; 3442 allSubtypes.clear(); 3443 FileInputStream fis = null; 3444 try { 3445 fis = subtypesFile.openRead(); 3446 final XmlPullParser parser = Xml.newPullParser(); 3447 parser.setInput(fis, null); 3448 int type = parser.getEventType(); 3449 // Skip parsing until START_TAG 3450 while ((type = parser.next()) != XmlPullParser.START_TAG 3451 && type != XmlPullParser.END_DOCUMENT) {} 3452 String firstNodeName = parser.getName(); 3453 if (!NODE_SUBTYPES.equals(firstNodeName)) { 3454 throw new XmlPullParserException("Xml doesn't start with subtypes"); 3455 } 3456 final int depth =parser.getDepth(); 3457 String currentImiId = null; 3458 ArrayList<InputMethodSubtype> tempSubtypesArray = null; 3459 while (((type = parser.next()) != XmlPullParser.END_TAG 3460 || parser.getDepth() > depth) && type != XmlPullParser.END_DOCUMENT) { 3461 if (type != XmlPullParser.START_TAG) 3462 continue; 3463 final String nodeName = parser.getName(); 3464 if (NODE_IMI.equals(nodeName)) { 3465 currentImiId = parser.getAttributeValue(null, ATTR_ID); 3466 if (TextUtils.isEmpty(currentImiId)) { 3467 Slog.w(TAG, "Invalid imi id found in subtypes.xml"); 3468 continue; 3469 } 3470 tempSubtypesArray = new ArrayList<InputMethodSubtype>(); 3471 allSubtypes.put(currentImiId, tempSubtypesArray); 3472 } else if (NODE_SUBTYPE.equals(nodeName)) { 3473 if (TextUtils.isEmpty(currentImiId) || tempSubtypesArray == null) { 3474 Slog.w(TAG, "IME uninstalled or not valid.: " + currentImiId); 3475 continue; 3476 } 3477 final int icon = Integer.valueOf( 3478 parser.getAttributeValue(null, ATTR_ICON)); 3479 final int label = Integer.valueOf( 3480 parser.getAttributeValue(null, ATTR_LABEL)); 3481 final String imeSubtypeLocale = 3482 parser.getAttributeValue(null, ATTR_IME_SUBTYPE_LOCALE); 3483 final String imeSubtypeMode = 3484 parser.getAttributeValue(null, ATTR_IME_SUBTYPE_MODE); 3485 final String imeSubtypeExtraValue = 3486 parser.getAttributeValue(null, ATTR_IME_SUBTYPE_EXTRA_VALUE); 3487 final boolean isAuxiliary = "1".equals(String.valueOf( 3488 parser.getAttributeValue(null, ATTR_IS_AUXILIARY))); 3489 final InputMethodSubtype subtype = new InputMethodSubtypeBuilder() 3490 .setSubtypeNameResId(label) 3491 .setSubtypeIconResId(icon) 3492 .setSubtypeLocale(imeSubtypeLocale) 3493 .setSubtypeMode(imeSubtypeMode) 3494 .setSubtypeExtraValue(imeSubtypeExtraValue) 3495 .setIsAuxiliary(isAuxiliary) 3496 .build(); 3497 tempSubtypesArray.add(subtype); 3498 } 3499 } 3500 } catch (XmlPullParserException e) { 3501 Slog.w(TAG, "Error reading subtypes: " + e); 3502 return; 3503 } catch (java.io.IOException e) { 3504 Slog.w(TAG, "Error reading subtypes: " + e); 3505 return; 3506 } catch (NumberFormatException e) { 3507 Slog.w(TAG, "Error reading subtypes: " + e); 3508 return; 3509 } finally { 3510 if (fis != null) { 3511 try { 3512 fis.close(); 3513 } catch (java.io.IOException e1) { 3514 Slog.w(TAG, "Failed to close."); 3515 } 3516 } 3517 } 3518 } 3519 } 3520 3521 @Override 3522 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 3523 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 3524 != PackageManager.PERMISSION_GRANTED) { 3525 3526 pw.println("Permission Denial: can't dump InputMethodManager from from pid=" 3527 + Binder.getCallingPid() 3528 + ", uid=" + Binder.getCallingUid()); 3529 return; 3530 } 3531 3532 IInputMethod method; 3533 ClientState client; 3534 3535 final Printer p = new PrintWriterPrinter(pw); 3536 3537 synchronized (mMethodMap) { 3538 p.println("Current Input Method Manager state:"); 3539 int N = mMethodList.size(); 3540 p.println(" Input Methods:"); 3541 for (int i=0; i<N; i++) { 3542 InputMethodInfo info = mMethodList.get(i); 3543 p.println(" InputMethod #" + i + ":"); 3544 info.dump(p, " "); 3545 } 3546 p.println(" Clients:"); 3547 for (ClientState ci : mClients.values()) { 3548 p.println(" Client " + ci + ":"); 3549 p.println(" client=" + ci.client); 3550 p.println(" inputContext=" + ci.inputContext); 3551 p.println(" sessionRequested=" + ci.sessionRequested); 3552 p.println(" curSession=" + ci.curSession); 3553 } 3554 p.println(" mCurMethodId=" + mCurMethodId); 3555 client = mCurClient; 3556 p.println(" mCurClient=" + client + " mCurSeq=" + mCurSeq); 3557 p.println(" mCurFocusedWindow=" + mCurFocusedWindow); 3558 p.println(" mCurId=" + mCurId + " mHaveConnect=" + mHaveConnection 3559 + " mBoundToMethod=" + mBoundToMethod); 3560 p.println(" mCurToken=" + mCurToken); 3561 p.println(" mCurIntent=" + mCurIntent); 3562 method = mCurMethod; 3563 p.println(" mCurMethod=" + mCurMethod); 3564 p.println(" mEnabledSession=" + mEnabledSession); 3565 p.println(" mShowRequested=" + mShowRequested 3566 + " mShowExplicitlyRequested=" + mShowExplicitlyRequested 3567 + " mShowForced=" + mShowForced 3568 + " mInputShown=" + mInputShown); 3569 p.println(" mCurUserActionNotificationSequenceNumber=" 3570 + mCurUserActionNotificationSequenceNumber); 3571 p.println(" mSystemReady=" + mSystemReady + " mInteractive=" + mScreenOn); 3572 } 3573 3574 p.println(" "); 3575 if (client != null) { 3576 pw.flush(); 3577 try { 3578 client.client.asBinder().dump(fd, args); 3579 } catch (RemoteException e) { 3580 p.println("Input method client dead: " + e); 3581 } 3582 } else { 3583 p.println("No input method client."); 3584 } 3585 3586 p.println(" "); 3587 if (method != null) { 3588 pw.flush(); 3589 try { 3590 method.asBinder().dump(fd, args); 3591 } catch (RemoteException e) { 3592 p.println("Input method service dead: " + e); 3593 } 3594 } else { 3595 p.println("No input method service."); 3596 } 3597 } 3598 } 3599