InputMethodManagerService.java revision 22c97be73b2686a4a06cf31d0b211f47e7b92595
1/* 2 * 3 * Licensed under the Apache License, Version 2.0 (the "License"); you may not 4 * use this file except in compliance with the License. You may obtain a copy of 5 * the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT 11 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the 12 * License for the specific language governing permissions and limitations under 13 * the License. 14 */ 15 16package com.android.server; 17 18import com.android.internal.content.PackageMonitor; 19import com.android.internal.inputmethod.InputMethodSubtypeSwitchingController; 20import com.android.internal.inputmethod.InputMethodSubtypeSwitchingController.ImeSubtypeListItem; 21import com.android.internal.inputmethod.InputMethodUtils; 22import com.android.internal.inputmethod.InputMethodUtils.InputMethodSettings; 23import com.android.internal.os.HandlerCaller; 24import com.android.internal.os.SomeArgs; 25import com.android.internal.util.FastXmlSerializer; 26import com.android.internal.view.IInputContext; 27import com.android.internal.view.IInputMethod; 28import com.android.internal.view.IInputSessionCallback; 29import com.android.internal.view.IInputMethodClient; 30import com.android.internal.view.IInputMethodManager; 31import com.android.internal.view.IInputMethodSession; 32import com.android.internal.view.InputBindResult; 33import com.android.server.statusbar.StatusBarManagerService; 34import com.android.server.wm.WindowManagerService; 35 36import org.xmlpull.v1.XmlPullParser; 37import org.xmlpull.v1.XmlPullParserException; 38import org.xmlpull.v1.XmlSerializer; 39 40import android.app.ActivityManagerNative; 41import android.app.AppGlobals; 42import android.app.AlertDialog; 43import android.app.IUserSwitchObserver; 44import android.app.KeyguardManager; 45import android.app.Notification; 46import android.app.NotificationManager; 47import android.app.PendingIntent; 48import android.content.BroadcastReceiver; 49import android.content.ComponentName; 50import android.content.ContentResolver; 51import android.content.Context; 52import android.content.DialogInterface; 53import android.content.DialogInterface.OnCancelListener; 54import android.content.Intent; 55import android.content.IntentFilter; 56import android.content.ServiceConnection; 57import android.content.pm.ApplicationInfo; 58import android.content.pm.IPackageManager; 59import android.content.pm.PackageManager; 60import android.content.pm.ResolveInfo; 61import android.content.pm.ServiceInfo; 62import android.content.pm.UserInfo; 63import android.content.res.Configuration; 64import android.content.res.Resources; 65import android.content.res.TypedArray; 66import android.database.ContentObserver; 67import android.inputmethodservice.InputMethodService; 68import android.os.Binder; 69import android.os.Environment; 70import android.os.Handler; 71import android.os.IBinder; 72import android.os.IInterface; 73import android.os.IRemoteCallback; 74import android.os.Message; 75import android.os.Process; 76import android.os.Parcel; 77import android.os.RemoteException; 78import android.os.ResultReceiver; 79import android.os.ServiceManager; 80import android.os.SystemClock; 81import android.os.UserHandle; 82import android.os.UserManager; 83import android.provider.Settings; 84import android.text.TextUtils; 85import android.text.style.SuggestionSpan; 86import android.util.AtomicFile; 87import android.util.EventLog; 88import android.util.LruCache; 89import android.util.Pair; 90import android.util.PrintWriterPrinter; 91import android.util.Printer; 92import android.util.Slog; 93import android.util.Xml; 94import android.view.IWindowManager; 95import android.view.InputChannel; 96import android.view.LayoutInflater; 97import android.view.View; 98import android.view.ViewGroup; 99import android.view.WindowManager; 100import android.view.inputmethod.EditorInfo; 101import android.view.inputmethod.InputBinding; 102import android.view.inputmethod.InputMethod; 103import android.view.inputmethod.InputMethodInfo; 104import android.view.inputmethod.InputMethodManager; 105import android.view.inputmethod.InputMethodSubtype; 106import android.widget.ArrayAdapter; 107import android.widget.CompoundButton; 108import android.widget.CompoundButton.OnCheckedChangeListener; 109import android.widget.RadioButton; 110import android.widget.Switch; 111import android.widget.TextView; 112 113import java.io.File; 114import java.io.FileDescriptor; 115import java.io.FileInputStream; 116import java.io.FileOutputStream; 117import java.io.IOException; 118import java.io.PrintWriter; 119import java.util.ArrayList; 120import java.util.Collections; 121import java.util.HashMap; 122import java.util.List; 123import java.util.Locale; 124 125/** 126 * This class provides a system service that manages input methods. 127 */ 128public class InputMethodManagerService extends IInputMethodManager.Stub 129 implements ServiceConnection, Handler.Callback { 130 static final boolean DEBUG = false; 131 static final String TAG = "InputMethodManagerService"; 132 133 static final int MSG_SHOW_IM_PICKER = 1; 134 static final int MSG_SHOW_IM_SUBTYPE_PICKER = 2; 135 static final int MSG_SHOW_IM_SUBTYPE_ENABLER = 3; 136 static final int MSG_SHOW_IM_CONFIG = 4; 137 138 static final int MSG_UNBIND_INPUT = 1000; 139 static final int MSG_BIND_INPUT = 1010; 140 static final int MSG_SHOW_SOFT_INPUT = 1020; 141 static final int MSG_HIDE_SOFT_INPUT = 1030; 142 static final int MSG_ATTACH_TOKEN = 1040; 143 static final int MSG_CREATE_SESSION = 1050; 144 145 static final int MSG_START_INPUT = 2000; 146 static final int MSG_RESTART_INPUT = 2010; 147 148 static final int MSG_UNBIND_METHOD = 3000; 149 static final int MSG_BIND_METHOD = 3010; 150 static final int MSG_SET_ACTIVE = 3020; 151 static final int MSG_SET_CURSOR_ANCHOR_MONITOR_MODE = 3030; 152 153 static final int MSG_HARD_KEYBOARD_SWITCH_CHANGED = 4000; 154 155 static final long TIME_TO_RECONNECT = 3 * 1000; 156 157 static final int SECURE_SUGGESTION_SPANS_MAX_SIZE = 20; 158 159 private static final int NOT_A_SUBTYPE_ID = InputMethodUtils.NOT_A_SUBTYPE_ID; 160 private static final String TAG_TRY_SUPPRESSING_IME_SWITCHER = "TrySuppressingImeSwitcher"; 161 162 163 final Context mContext; 164 final Resources mRes; 165 final Handler mHandler; 166 final InputMethodSettings mSettings; 167 final SettingsObserver mSettingsObserver; 168 final IWindowManager mIWindowManager; 169 final HandlerCaller mCaller; 170 final boolean mHasFeature; 171 private InputMethodFileManager mFileManager; 172 private final HardKeyboardListener mHardKeyboardListener; 173 private final WindowManagerService mWindowManagerService; 174 175 final InputBindResult mNoBinding = new InputBindResult(null, null, null, -1); 176 177 // All known input methods. mMethodMap also serves as the global 178 // lock for this class. 179 final ArrayList<InputMethodInfo> mMethodList = new ArrayList<InputMethodInfo>(); 180 final HashMap<String, InputMethodInfo> mMethodMap = new HashMap<String, InputMethodInfo>(); 181 private final LruCache<SuggestionSpan, InputMethodInfo> mSecureSuggestionSpans = 182 new LruCache<SuggestionSpan, InputMethodInfo>(SECURE_SUGGESTION_SPANS_MAX_SIZE); 183 private final InputMethodSubtypeSwitchingController mSwitchingController; 184 185 // Used to bring IME service up to visible adjustment while it is being shown. 186 final ServiceConnection mVisibleConnection = new ServiceConnection() { 187 @Override public void onServiceConnected(ComponentName name, IBinder service) { 188 } 189 190 @Override public void onServiceDisconnected(ComponentName name) { 191 } 192 }; 193 boolean mVisibleBound = false; 194 195 // Ongoing notification 196 private NotificationManager mNotificationManager; 197 private KeyguardManager mKeyguardManager; 198 private StatusBarManagerService mStatusBar; 199 private Notification mImeSwitcherNotification; 200 private PendingIntent mImeSwitchPendingIntent; 201 private boolean mShowOngoingImeSwitcherForPhones; 202 private boolean mNotificationShown; 203 private final boolean mImeSelectedOnBoot; 204 205 class SessionState { 206 final ClientState client; 207 final IInputMethod method; 208 209 IInputMethodSession session; 210 InputChannel channel; 211 212 @Override 213 public String toString() { 214 return "SessionState{uid " + client.uid + " pid " + client.pid 215 + " method " + Integer.toHexString( 216 System.identityHashCode(method)) 217 + " session " + Integer.toHexString( 218 System.identityHashCode(session)) 219 + " channel " + channel 220 + "}"; 221 } 222 223 SessionState(ClientState _client, IInputMethod _method, 224 IInputMethodSession _session, InputChannel _channel) { 225 client = _client; 226 method = _method; 227 session = _session; 228 channel = _channel; 229 } 230 } 231 232 static final class ClientState { 233 final IInputMethodClient client; 234 final IInputContext inputContext; 235 final int uid; 236 final int pid; 237 final InputBinding binding; 238 239 boolean sessionRequested; 240 SessionState curSession; 241 242 @Override 243 public String toString() { 244 return "ClientState{" + Integer.toHexString( 245 System.identityHashCode(this)) + " uid " + uid 246 + " pid " + pid + "}"; 247 } 248 249 ClientState(IInputMethodClient _client, IInputContext _inputContext, 250 int _uid, int _pid) { 251 client = _client; 252 inputContext = _inputContext; 253 uid = _uid; 254 pid = _pid; 255 binding = new InputBinding(null, inputContext.asBinder(), uid, pid); 256 } 257 } 258 259 final HashMap<IBinder, ClientState> mClients 260 = new HashMap<IBinder, ClientState>(); 261 262 /** 263 * Set once the system is ready to run third party code. 264 */ 265 boolean mSystemReady; 266 267 /** 268 * Id of the currently selected input method. 269 */ 270 String mCurMethodId; 271 272 /** 273 * The current binding sequence number, incremented every time there is 274 * a new bind performed. 275 */ 276 int mCurSeq; 277 278 /** 279 * The client that is currently bound to an input method. 280 */ 281 ClientState mCurClient; 282 283 /** 284 * The last window token that gained focus. 285 */ 286 IBinder mCurFocusedWindow; 287 288 /** 289 * The input context last provided by the current client. 290 */ 291 IInputContext mCurInputContext; 292 293 /** 294 * The attributes last provided by the current client. 295 */ 296 EditorInfo mCurAttribute; 297 298 /** 299 * The input method ID of the input method service that we are currently 300 * connected to or in the process of connecting to. 301 */ 302 String mCurId; 303 304 /** 305 * The current subtype of the current input method. 306 */ 307 private InputMethodSubtype mCurrentSubtype; 308 309 // This list contains the pairs of InputMethodInfo and InputMethodSubtype. 310 private final HashMap<InputMethodInfo, ArrayList<InputMethodSubtype>> 311 mShortcutInputMethodsAndSubtypes = 312 new HashMap<InputMethodInfo, ArrayList<InputMethodSubtype>>(); 313 314 // Was the keyguard locked when this client became current? 315 private boolean mCurClientInKeyguard; 316 317 /** 318 * Set to true if our ServiceConnection is currently actively bound to 319 * a service (whether or not we have gotten its IBinder back yet). 320 */ 321 boolean mHaveConnection; 322 323 /** 324 * Set if the client has asked for the input method to be shown. 325 */ 326 boolean mShowRequested; 327 328 /** 329 * Set if we were explicitly told to show the input method. 330 */ 331 boolean mShowExplicitlyRequested; 332 333 /** 334 * Set if we were forced to be shown. 335 */ 336 boolean mShowForced; 337 338 /** 339 * Set if we last told the input method to show itself. 340 */ 341 boolean mInputShown; 342 343 /** 344 * The Intent used to connect to the current input method. 345 */ 346 Intent mCurIntent; 347 348 /** 349 * The token we have made for the currently active input method, to 350 * identify it in the future. 351 */ 352 IBinder mCurToken; 353 354 /** 355 * If non-null, this is the input method service we are currently connected 356 * to. 357 */ 358 IInputMethod mCurMethod; 359 360 /** 361 * Time that we last initiated a bind to the input method, to determine 362 * if we should try to disconnect and reconnect to it. 363 */ 364 long mLastBindTime; 365 366 /** 367 * Have we called mCurMethod.bindInput()? 368 */ 369 boolean mBoundToMethod; 370 371 /** 372 * Currently enabled session. Only touched by service thread, not 373 * protected by a lock. 374 */ 375 SessionState mEnabledSession; 376 377 /** 378 * True if the screen is on. The value is true initially. 379 */ 380 boolean mScreenOn = true; 381 382 int mBackDisposition = InputMethodService.BACK_DISPOSITION_DEFAULT; 383 int mImeWindowVis; 384 385 private AlertDialog.Builder mDialogBuilder; 386 private AlertDialog mSwitchingDialog; 387 private View mSwitchingDialogTitleView; 388 private InputMethodInfo[] mIms; 389 private int[] mSubtypeIds; 390 private Locale mLastSystemLocale; 391 private final MyPackageMonitor mMyPackageMonitor = new MyPackageMonitor(); 392 private final IPackageManager mIPackageManager; 393 394 class SettingsObserver extends ContentObserver { 395 String mLastEnabled = ""; 396 397 SettingsObserver(Handler handler) { 398 super(handler); 399 ContentResolver resolver = mContext.getContentResolver(); 400 resolver.registerContentObserver(Settings.Secure.getUriFor( 401 Settings.Secure.DEFAULT_INPUT_METHOD), false, this); 402 resolver.registerContentObserver(Settings.Secure.getUriFor( 403 Settings.Secure.ENABLED_INPUT_METHODS), false, this); 404 resolver.registerContentObserver(Settings.Secure.getUriFor( 405 Settings.Secure.SELECTED_INPUT_METHOD_SUBTYPE), false, this); 406 } 407 408 @Override public void onChange(boolean selfChange) { 409 synchronized (mMethodMap) { 410 boolean enabledChanged = false; 411 String newEnabled = mSettings.getEnabledInputMethodsStr(); 412 if (!mLastEnabled.equals(newEnabled)) { 413 mLastEnabled = newEnabled; 414 enabledChanged = true; 415 } 416 updateFromSettingsLocked(enabledChanged); 417 } 418 } 419 } 420 421 class ImmsBroadcastReceiver extends android.content.BroadcastReceiver { 422 private void updateActive() { 423 // Inform the current client of the change in active status 424 if (mCurClient != null && mCurClient.client != null) { 425 executeOrSendMessage(mCurClient.client, mCaller.obtainMessageIO( 426 MSG_SET_ACTIVE, mScreenOn ? 1 : 0, mCurClient)); 427 } 428 } 429 430 @Override 431 public void onReceive(Context context, Intent intent) { 432 final String action = intent.getAction(); 433 if (Intent.ACTION_SCREEN_ON.equals(action)) { 434 mScreenOn = true; 435 refreshImeWindowVisibilityLocked(); 436 updateActive(); 437 return; 438 } else if (Intent.ACTION_SCREEN_OFF.equals(action)) { 439 mScreenOn = false; 440 setImeWindowVisibilityStatusHiddenLocked(); 441 updateActive(); 442 return; 443 } else if (Intent.ACTION_CLOSE_SYSTEM_DIALOGS.equals(action)) { 444 hideInputMethodMenu(); 445 // No need to updateActive 446 return; 447 } else if (Intent.ACTION_USER_ADDED.equals(action) 448 || Intent.ACTION_USER_REMOVED.equals(action)) { 449 updateCurrentProfileIds(); 450 return; 451 } else { 452 Slog.w(TAG, "Unexpected intent " + intent); 453 } 454 } 455 } 456 457 class MyPackageMonitor extends PackageMonitor { 458 private boolean isChangingPackagesOfCurrentUser() { 459 final int userId = getChangingUserId(); 460 final boolean retval = userId == mSettings.getCurrentUserId(); 461 if (DEBUG) { 462 if (!retval) { 463 Slog.d(TAG, "--- ignore this call back from a background user: " + userId); 464 } 465 } 466 return retval; 467 } 468 469 @Override 470 public boolean onHandleForceStop(Intent intent, String[] packages, int uid, boolean doit) { 471 if (!isChangingPackagesOfCurrentUser()) { 472 return false; 473 } 474 synchronized (mMethodMap) { 475 String curInputMethodId = mSettings.getSelectedInputMethod(); 476 final int N = mMethodList.size(); 477 if (curInputMethodId != null) { 478 for (int i=0; i<N; i++) { 479 InputMethodInfo imi = mMethodList.get(i); 480 if (imi.getId().equals(curInputMethodId)) { 481 for (String pkg : packages) { 482 if (imi.getPackageName().equals(pkg)) { 483 if (!doit) { 484 return true; 485 } 486 resetSelectedInputMethodAndSubtypeLocked(""); 487 chooseNewDefaultIMELocked(); 488 return true; 489 } 490 } 491 } 492 } 493 } 494 } 495 return false; 496 } 497 498 @Override 499 public void onSomePackagesChanged() { 500 if (!isChangingPackagesOfCurrentUser()) { 501 return; 502 } 503 synchronized (mMethodMap) { 504 InputMethodInfo curIm = null; 505 String curInputMethodId = mSettings.getSelectedInputMethod(); 506 final int N = mMethodList.size(); 507 if (curInputMethodId != null) { 508 for (int i=0; i<N; i++) { 509 InputMethodInfo imi = mMethodList.get(i); 510 final String imiId = imi.getId(); 511 if (imiId.equals(curInputMethodId)) { 512 curIm = imi; 513 } 514 515 int change = isPackageDisappearing(imi.getPackageName()); 516 if (isPackageModified(imi.getPackageName())) { 517 mFileManager.deleteAllInputMethodSubtypes(imiId); 518 } 519 if (change == PACKAGE_TEMPORARY_CHANGE 520 || change == PACKAGE_PERMANENT_CHANGE) { 521 Slog.i(TAG, "Input method uninstalled, disabling: " 522 + imi.getComponent()); 523 setInputMethodEnabledLocked(imi.getId(), false); 524 } 525 } 526 } 527 528 buildInputMethodListLocked( 529 mMethodList, mMethodMap, false /* resetDefaultEnabledIme */); 530 531 boolean changed = false; 532 533 if (curIm != null) { 534 int change = isPackageDisappearing(curIm.getPackageName()); 535 if (change == PACKAGE_TEMPORARY_CHANGE 536 || change == PACKAGE_PERMANENT_CHANGE) { 537 ServiceInfo si = null; 538 try { 539 si = mIPackageManager.getServiceInfo( 540 curIm.getComponent(), 0, mSettings.getCurrentUserId()); 541 } catch (RemoteException ex) { 542 } 543 if (si == null) { 544 // Uh oh, current input method is no longer around! 545 // Pick another one... 546 Slog.i(TAG, "Current input method removed: " + curInputMethodId); 547 setImeWindowVisibilityStatusHiddenLocked(); 548 if (!chooseNewDefaultIMELocked()) { 549 changed = true; 550 curIm = null; 551 Slog.i(TAG, "Unsetting current input method"); 552 resetSelectedInputMethodAndSubtypeLocked(""); 553 } 554 } 555 } 556 } 557 558 if (curIm == null) { 559 // We currently don't have a default input method... is 560 // one now available? 561 changed = chooseNewDefaultIMELocked(); 562 } 563 564 if (changed) { 565 updateFromSettingsLocked(false); 566 } 567 } 568 } 569 } 570 571 private static final class MethodCallback extends IInputSessionCallback.Stub { 572 private final InputMethodManagerService mParentIMMS; 573 private final IInputMethod mMethod; 574 private final InputChannel mChannel; 575 576 MethodCallback(InputMethodManagerService imms, IInputMethod method, 577 InputChannel channel) { 578 mParentIMMS = imms; 579 mMethod = method; 580 mChannel = channel; 581 } 582 583 @Override 584 public void sessionCreated(IInputMethodSession session) { 585 long ident = Binder.clearCallingIdentity(); 586 try { 587 mParentIMMS.onSessionCreated(mMethod, session, mChannel); 588 } finally { 589 Binder.restoreCallingIdentity(ident); 590 } 591 } 592 } 593 594 private class HardKeyboardListener 595 implements WindowManagerService.OnHardKeyboardStatusChangeListener { 596 @Override 597 public void onHardKeyboardStatusChange(boolean available, boolean enabled) { 598 mHandler.sendMessage(mHandler.obtainMessage( 599 MSG_HARD_KEYBOARD_SWITCH_CHANGED, available ? 1 : 0, enabled ? 1 : 0)); 600 } 601 602 public void handleHardKeyboardStatusChange(boolean available, boolean enabled) { 603 if (DEBUG) { 604 Slog.w(TAG, "HardKeyboardStatusChanged: available = " + available + ", enabled = " 605 + enabled); 606 } 607 synchronized(mMethodMap) { 608 if (mSwitchingDialog != null && mSwitchingDialogTitleView != null 609 && mSwitchingDialog.isShowing()) { 610 mSwitchingDialogTitleView.findViewById( 611 com.android.internal.R.id.hard_keyboard_section).setVisibility( 612 available ? View.VISIBLE : View.GONE); 613 } 614 } 615 } 616 } 617 618 public InputMethodManagerService(Context context, WindowManagerService windowManager) { 619 mIPackageManager = AppGlobals.getPackageManager(); 620 mContext = context; 621 mRes = context.getResources(); 622 mHandler = new Handler(this); 623 mIWindowManager = IWindowManager.Stub.asInterface( 624 ServiceManager.getService(Context.WINDOW_SERVICE)); 625 mCaller = new HandlerCaller(context, null, new HandlerCaller.Callback() { 626 @Override 627 public void executeMessage(Message msg) { 628 handleMessage(msg); 629 } 630 }, true /*asyncHandler*/); 631 mWindowManagerService = windowManager; 632 mHardKeyboardListener = new HardKeyboardListener(); 633 mHasFeature = context.getPackageManager().hasSystemFeature( 634 PackageManager.FEATURE_INPUT_METHODS); 635 636 mImeSwitcherNotification = new Notification(); 637 mImeSwitcherNotification.icon = com.android.internal.R.drawable.ic_notification_ime_default; 638 mImeSwitcherNotification.when = 0; 639 mImeSwitcherNotification.flags = Notification.FLAG_ONGOING_EVENT; 640 mImeSwitcherNotification.tickerText = null; 641 mImeSwitcherNotification.defaults = 0; // please be quiet 642 mImeSwitcherNotification.sound = null; 643 mImeSwitcherNotification.vibrate = null; 644 645 // Tag this notification specially so SystemUI knows it's important 646 mImeSwitcherNotification.extras.putBoolean(Notification.EXTRA_ALLOW_DURING_SETUP, true); 647 mImeSwitcherNotification.category = Notification.CATEGORY_SYSTEM; 648 649 Intent intent = new Intent(Settings.ACTION_SHOW_INPUT_METHOD_PICKER); 650 mImeSwitchPendingIntent = PendingIntent.getBroadcast(mContext, 0, intent, 0); 651 652 mShowOngoingImeSwitcherForPhones = false; 653 654 final IntentFilter broadcastFilter = new IntentFilter(); 655 broadcastFilter.addAction(Intent.ACTION_SCREEN_ON); 656 broadcastFilter.addAction(Intent.ACTION_SCREEN_OFF); 657 broadcastFilter.addAction(Intent.ACTION_CLOSE_SYSTEM_DIALOGS); 658 broadcastFilter.addAction(Intent.ACTION_USER_ADDED); 659 broadcastFilter.addAction(Intent.ACTION_USER_REMOVED); 660 mContext.registerReceiver(new ImmsBroadcastReceiver(), broadcastFilter); 661 662 mNotificationShown = false; 663 int userId = 0; 664 try { 665 ActivityManagerNative.getDefault().registerUserSwitchObserver( 666 new IUserSwitchObserver.Stub() { 667 @Override 668 public void onUserSwitching(int newUserId, IRemoteCallback reply) { 669 synchronized(mMethodMap) { 670 switchUserLocked(newUserId); 671 } 672 if (reply != null) { 673 try { 674 reply.sendResult(null); 675 } catch (RemoteException e) { 676 } 677 } 678 } 679 680 @Override 681 public void onUserSwitchComplete(int newUserId) throws RemoteException { 682 } 683 }); 684 userId = ActivityManagerNative.getDefault().getCurrentUser().id; 685 } catch (RemoteException e) { 686 Slog.w(TAG, "Couldn't get current user ID; guessing it's 0", e); 687 } 688 mMyPackageMonitor.register(mContext, null, UserHandle.ALL, true); 689 690 // mSettings should be created before buildInputMethodListLocked 691 mSettings = new InputMethodSettings( 692 mRes, context.getContentResolver(), mMethodMap, mMethodList, userId); 693 updateCurrentProfileIds(); 694 mFileManager = new InputMethodFileManager(mMethodMap, userId); 695 synchronized (mMethodMap) { 696 mSwitchingController = InputMethodSubtypeSwitchingController.createInstanceLocked( 697 mSettings, context); 698 } 699 700 // Just checking if defaultImiId is empty or not 701 final String defaultImiId = mSettings.getSelectedInputMethod(); 702 if (DEBUG) { 703 Slog.d(TAG, "Initial default ime = " + defaultImiId); 704 } 705 mImeSelectedOnBoot = !TextUtils.isEmpty(defaultImiId); 706 707 synchronized (mMethodMap) { 708 buildInputMethodListLocked(mMethodList, mMethodMap, 709 !mImeSelectedOnBoot /* resetDefaultEnabledIme */); 710 } 711 mSettings.enableAllIMEsIfThereIsNoEnabledIME(); 712 713 if (!mImeSelectedOnBoot) { 714 Slog.w(TAG, "No IME selected. Choose the most applicable IME."); 715 synchronized (mMethodMap) { 716 resetDefaultImeLocked(context); 717 } 718 } 719 720 mSettingsObserver = new SettingsObserver(mHandler); 721 synchronized (mMethodMap) { 722 updateFromSettingsLocked(true); 723 } 724 725 // IMMS wants to receive Intent.ACTION_LOCALE_CHANGED in order to update the current IME 726 // according to the new system locale. 727 final IntentFilter filter = new IntentFilter(); 728 filter.addAction(Intent.ACTION_LOCALE_CHANGED); 729 mContext.registerReceiver( 730 new BroadcastReceiver() { 731 @Override 732 public void onReceive(Context context, Intent intent) { 733 synchronized(mMethodMap) { 734 resetStateIfCurrentLocaleChangedLocked(); 735 } 736 } 737 }, filter); 738 } 739 740 private void resetDefaultImeLocked(Context context) { 741 // Do not reset the default (current) IME when it is a 3rd-party IME 742 if (mCurMethodId != null 743 && !InputMethodUtils.isSystemIme(mMethodMap.get(mCurMethodId))) { 744 return; 745 } 746 747 InputMethodInfo defIm = null; 748 for (InputMethodInfo imi : mMethodList) { 749 if (defIm == null) { 750 if (InputMethodUtils.isValidSystemDefaultIme( 751 mSystemReady, imi, context)) { 752 defIm = imi; 753 Slog.i(TAG, "Selected default: " + imi.getId()); 754 } 755 } 756 } 757 if (defIm == null && mMethodList.size() > 0) { 758 defIm = InputMethodUtils.getMostApplicableDefaultIME( 759 mSettings.getEnabledInputMethodListLocked()); 760 Slog.i(TAG, "No default found, using " + defIm.getId()); 761 } 762 if (defIm != null) { 763 setSelectedInputMethodAndSubtypeLocked(defIm, NOT_A_SUBTYPE_ID, false); 764 } 765 } 766 767 private void resetAllInternalStateLocked(final boolean updateOnlyWhenLocaleChanged, 768 final boolean resetDefaultEnabledIme) { 769 if (!mSystemReady) { 770 // not system ready 771 return; 772 } 773 final Locale newLocale = mRes.getConfiguration().locale; 774 if (!updateOnlyWhenLocaleChanged 775 || (newLocale != null && !newLocale.equals(mLastSystemLocale))) { 776 if (!updateOnlyWhenLocaleChanged) { 777 hideCurrentInputLocked(0, null); 778 mCurMethodId = null; 779 unbindCurrentMethodLocked(true, false); 780 } 781 if (DEBUG) { 782 Slog.i(TAG, "Locale has been changed to " + newLocale); 783 } 784 buildInputMethodListLocked(mMethodList, mMethodMap, resetDefaultEnabledIme); 785 if (!updateOnlyWhenLocaleChanged) { 786 final String selectedImiId = mSettings.getSelectedInputMethod(); 787 if (TextUtils.isEmpty(selectedImiId)) { 788 // This is the first time of the user switch and 789 // set the current ime to the proper one. 790 resetDefaultImeLocked(mContext); 791 } 792 } else { 793 // If the locale is changed, needs to reset the default ime 794 resetDefaultImeLocked(mContext); 795 } 796 updateFromSettingsLocked(true); 797 mLastSystemLocale = newLocale; 798 if (!updateOnlyWhenLocaleChanged) { 799 try { 800 startInputInnerLocked(); 801 } catch (RuntimeException e) { 802 Slog.w(TAG, "Unexpected exception", e); 803 } 804 } 805 } 806 } 807 808 private void resetStateIfCurrentLocaleChangedLocked() { 809 resetAllInternalStateLocked(true /* updateOnlyWhenLocaleChanged */, 810 true /* resetDefaultImeLocked */); 811 } 812 813 private void switchUserLocked(int newUserId) { 814 mSettings.setCurrentUserId(newUserId); 815 updateCurrentProfileIds(); 816 // InputMethodFileManager should be reset when the user is changed 817 mFileManager = new InputMethodFileManager(mMethodMap, newUserId); 818 final String defaultImiId = mSettings.getSelectedInputMethod(); 819 // For secondary users, the list of enabled IMEs may not have been updated since the 820 // callbacks to PackageMonitor are ignored for the secondary user. Here, defaultImiId may 821 // not be empty even if the IME has been uninstalled by the primary user. 822 // Even in such cases, IMMS works fine because it will find the most applicable 823 // IME for that user. 824 final boolean initialUserSwitch = TextUtils.isEmpty(defaultImiId); 825 if (DEBUG) { 826 Slog.d(TAG, "Switch user: " + newUserId + " current ime = " + defaultImiId); 827 } 828 resetAllInternalStateLocked(false /* updateOnlyWhenLocaleChanged */, 829 initialUserSwitch /* needsToResetDefaultIme */); 830 if (initialUserSwitch) { 831 InputMethodUtils.setNonSelectedSystemImesDisabledUntilUsed(mContext.getPackageManager(), 832 mSettings.getEnabledInputMethodListLocked()); 833 } 834 } 835 836 void updateCurrentProfileIds() { 837 List<UserInfo> profiles = 838 UserManager.get(mContext).getProfiles(mSettings.getCurrentUserId()); 839 int[] currentProfileIds = new int[profiles.size()]; // profiles will not be null 840 for (int i = 0; i < currentProfileIds.length; i++) { 841 currentProfileIds[i] = profiles.get(i).id; 842 } 843 mSettings.setCurrentProfileIds(currentProfileIds); 844 } 845 846 @Override 847 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 848 throws RemoteException { 849 try { 850 return super.onTransact(code, data, reply, flags); 851 } catch (RuntimeException e) { 852 // The input method manager only throws security exceptions, so let's 853 // log all others. 854 if (!(e instanceof SecurityException)) { 855 Slog.wtf(TAG, "Input Method Manager Crash", e); 856 } 857 throw e; 858 } 859 } 860 861 public void systemRunning(StatusBarManagerService statusBar) { 862 synchronized (mMethodMap) { 863 if (DEBUG) { 864 Slog.d(TAG, "--- systemReady"); 865 } 866 if (!mSystemReady) { 867 mSystemReady = true; 868 mKeyguardManager = 869 (KeyguardManager) mContext.getSystemService(Context.KEYGUARD_SERVICE); 870 mNotificationManager = (NotificationManager) 871 mContext.getSystemService(Context.NOTIFICATION_SERVICE); 872 mStatusBar = statusBar; 873 statusBar.setIconVisibility("ime", false); 874 updateImeWindowStatusLocked(); 875 mShowOngoingImeSwitcherForPhones = mRes.getBoolean( 876 com.android.internal.R.bool.show_ongoing_ime_switcher); 877 if (mShowOngoingImeSwitcherForPhones) { 878 mWindowManagerService.setOnHardKeyboardStatusChangeListener( 879 mHardKeyboardListener); 880 } 881 buildInputMethodListLocked(mMethodList, mMethodMap, 882 !mImeSelectedOnBoot /* resetDefaultEnabledIme */); 883 if (!mImeSelectedOnBoot) { 884 Slog.w(TAG, "Reset the default IME as \"Resource\" is ready here."); 885 resetStateIfCurrentLocaleChangedLocked(); 886 InputMethodUtils.setNonSelectedSystemImesDisabledUntilUsed( 887 mContext.getPackageManager(), 888 mSettings.getEnabledInputMethodListLocked()); 889 } 890 mLastSystemLocale = mRes.getConfiguration().locale; 891 try { 892 startInputInnerLocked(); 893 } catch (RuntimeException e) { 894 Slog.w(TAG, "Unexpected exception", e); 895 } 896 } 897 } 898 } 899 900 private void setImeWindowVisibilityStatusHiddenLocked() { 901 mImeWindowVis = 0; 902 updateImeWindowStatusLocked(); 903 } 904 905 private void refreshImeWindowVisibilityLocked() { 906 final Configuration conf = mRes.getConfiguration(); 907 final boolean haveHardKeyboard = conf.keyboard 908 != Configuration.KEYBOARD_NOKEYS; 909 final boolean hardKeyShown = haveHardKeyboard 910 && conf.hardKeyboardHidden 911 != Configuration.HARDKEYBOARDHIDDEN_YES; 912 913 final boolean isScreenLocked = isKeyguardLocked(); 914 final boolean inputActive = !isScreenLocked && (mInputShown || hardKeyShown); 915 // We assume the softkeyboard is shown when the input is active as long as the 916 // hard keyboard is not shown. 917 final boolean inputVisible = inputActive && !hardKeyShown; 918 mImeWindowVis = (inputActive ? InputMethodService.IME_ACTIVE : 0) 919 | (inputVisible ? InputMethodService.IME_VISIBLE : 0); 920 updateImeWindowStatusLocked(); 921 } 922 923 private void updateImeWindowStatusLocked() { 924 setImeWindowStatus(mCurToken, mImeWindowVis, mBackDisposition); 925 } 926 927 // --------------------------------------------------------------------------------------- 928 // Check whether or not this is a valid IPC. Assumes an IPC is valid when either 929 // 1) it comes from the system process 930 // 2) the calling process' user id is identical to the current user id IMMS thinks. 931 private boolean calledFromValidUser() { 932 final int uid = Binder.getCallingUid(); 933 final int userId = UserHandle.getUserId(uid); 934 if (DEBUG) { 935 Slog.d(TAG, "--- calledFromForegroundUserOrSystemProcess ? " 936 + "calling uid = " + uid + " system uid = " + Process.SYSTEM_UID 937 + " calling userId = " + userId + ", foreground user id = " 938 + mSettings.getCurrentUserId() + ", calling pid = " + Binder.getCallingPid() 939 + InputMethodUtils.getApiCallStack()); 940 } 941 if (uid == Process.SYSTEM_UID || mSettings.isCurrentProfile(userId)) { 942 return true; 943 } 944 945 // Caveat: A process which has INTERACT_ACROSS_USERS_FULL gets results for the 946 // foreground user, not for the user of that process. Accordingly InputMethodManagerService 947 // must not manage background users' states in any functions. 948 // Note that privacy-sensitive IPCs, such as setInputMethod, are still securely guarded 949 // by a token. 950 if (mContext.checkCallingOrSelfPermission( 951 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL) 952 == PackageManager.PERMISSION_GRANTED) { 953 if (DEBUG) { 954 Slog.d(TAG, "--- Access granted because the calling process has " 955 + "the INTERACT_ACROSS_USERS_FULL permission"); 956 } 957 return true; 958 } 959 Slog.w(TAG, "--- IPC called from background users. Ignore. \n" 960 + InputMethodUtils.getStackTrace()); 961 return false; 962 } 963 964 965 /** 966 * Returns true iff the caller is identified to be the current input method with the token. 967 * @param token The window token given to the input method when it was started. 968 * @return true if and only if non-null valid token is specified. 969 */ 970 private boolean calledWithValidToken(IBinder token) { 971 if (token == null || mCurToken != token) { 972 return false; 973 } 974 return true; 975 } 976 977 private boolean bindCurrentInputMethodService( 978 Intent service, ServiceConnection conn, int flags) { 979 if (service == null || conn == null) { 980 Slog.e(TAG, "--- bind failed: service = " + service + ", conn = " + conn); 981 return false; 982 } 983 return mContext.bindServiceAsUser(service, conn, flags, 984 new UserHandle(mSettings.getCurrentUserId())); 985 } 986 987 @Override 988 public List<InputMethodInfo> getInputMethodList() { 989 // TODO: Make this work even for non-current users? 990 if (!calledFromValidUser()) { 991 return Collections.emptyList(); 992 } 993 synchronized (mMethodMap) { 994 return new ArrayList<InputMethodInfo>(mMethodList); 995 } 996 } 997 998 @Override 999 public List<InputMethodInfo> getEnabledInputMethodList() { 1000 // TODO: Make this work even for non-current users? 1001 if (!calledFromValidUser()) { 1002 return Collections.emptyList(); 1003 } 1004 synchronized (mMethodMap) { 1005 return mSettings.getEnabledInputMethodListLocked(); 1006 } 1007 } 1008 1009 /** 1010 * @param imiId if null, returns enabled subtypes for the current imi 1011 * @return enabled subtypes of the specified imi 1012 */ 1013 @Override 1014 public List<InputMethodSubtype> getEnabledInputMethodSubtypeList(String imiId, 1015 boolean allowsImplicitlySelectedSubtypes) { 1016 // TODO: Make this work even for non-current users? 1017 if (!calledFromValidUser()) { 1018 return Collections.<InputMethodSubtype>emptyList(); 1019 } 1020 synchronized (mMethodMap) { 1021 final InputMethodInfo imi; 1022 if (imiId == null && mCurMethodId != null) { 1023 imi = mMethodMap.get(mCurMethodId); 1024 } else { 1025 imi = mMethodMap.get(imiId); 1026 } 1027 if (imi == null) { 1028 return Collections.<InputMethodSubtype>emptyList(); 1029 } 1030 return mSettings.getEnabledInputMethodSubtypeListLocked( 1031 mContext, imi, allowsImplicitlySelectedSubtypes); 1032 } 1033 } 1034 1035 @Override 1036 public void addClient(IInputMethodClient client, 1037 IInputContext inputContext, int uid, int pid) { 1038 if (!calledFromValidUser()) { 1039 return; 1040 } 1041 synchronized (mMethodMap) { 1042 mClients.put(client.asBinder(), new ClientState(client, 1043 inputContext, uid, pid)); 1044 } 1045 } 1046 1047 @Override 1048 public void removeClient(IInputMethodClient client) { 1049 if (!calledFromValidUser()) { 1050 return; 1051 } 1052 synchronized (mMethodMap) { 1053 ClientState cs = mClients.remove(client.asBinder()); 1054 if (cs != null) { 1055 clearClientSessionLocked(cs); 1056 } 1057 } 1058 } 1059 1060 void executeOrSendMessage(IInterface target, Message msg) { 1061 if (target.asBinder() instanceof Binder) { 1062 mCaller.sendMessage(msg); 1063 } else { 1064 handleMessage(msg); 1065 msg.recycle(); 1066 } 1067 } 1068 1069 void unbindCurrentClientLocked() { 1070 if (mCurClient != null) { 1071 if (DEBUG) Slog.v(TAG, "unbindCurrentInputLocked: client = " 1072 + mCurClient.client.asBinder()); 1073 if (mBoundToMethod) { 1074 mBoundToMethod = false; 1075 if (mCurMethod != null) { 1076 executeOrSendMessage(mCurMethod, mCaller.obtainMessageO( 1077 MSG_UNBIND_INPUT, mCurMethod)); 1078 } 1079 } 1080 1081 executeOrSendMessage(mCurClient.client, mCaller.obtainMessageIO( 1082 MSG_SET_ACTIVE, 0, mCurClient)); 1083 executeOrSendMessage(mCurClient.client, mCaller.obtainMessageIO( 1084 MSG_UNBIND_METHOD, mCurSeq, mCurClient.client)); 1085 mCurClient.sessionRequested = false; 1086 mCurClient = null; 1087 1088 hideInputMethodMenuLocked(); 1089 } 1090 } 1091 1092 private int getImeShowFlags() { 1093 int flags = 0; 1094 if (mShowForced) { 1095 flags |= InputMethod.SHOW_FORCED 1096 | InputMethod.SHOW_EXPLICIT; 1097 } else if (mShowExplicitlyRequested) { 1098 flags |= InputMethod.SHOW_EXPLICIT; 1099 } 1100 return flags; 1101 } 1102 1103 private int getAppShowFlags() { 1104 int flags = 0; 1105 if (mShowForced) { 1106 flags |= InputMethodManager.SHOW_FORCED; 1107 } else if (!mShowExplicitlyRequested) { 1108 flags |= InputMethodManager.SHOW_IMPLICIT; 1109 } 1110 return flags; 1111 } 1112 1113 InputBindResult attachNewInputLocked(boolean initial) { 1114 if (!mBoundToMethod) { 1115 executeOrSendMessage(mCurMethod, mCaller.obtainMessageOO( 1116 MSG_BIND_INPUT, mCurMethod, mCurClient.binding)); 1117 mBoundToMethod = true; 1118 } 1119 final SessionState session = mCurClient.curSession; 1120 if (initial) { 1121 executeOrSendMessage(session.method, mCaller.obtainMessageOOO( 1122 MSG_START_INPUT, session, mCurInputContext, mCurAttribute)); 1123 } else { 1124 executeOrSendMessage(session.method, mCaller.obtainMessageOOO( 1125 MSG_RESTART_INPUT, session, mCurInputContext, mCurAttribute)); 1126 } 1127 if (mShowRequested) { 1128 if (DEBUG) Slog.v(TAG, "Attach new input asks to show input"); 1129 showCurrentInputLocked(getAppShowFlags(), null); 1130 } 1131 return new InputBindResult(session.session, 1132 session.channel != null ? session.channel.dup() : null, mCurId, mCurSeq); 1133 } 1134 1135 InputBindResult startInputLocked(IInputMethodClient client, 1136 IInputContext inputContext, EditorInfo attribute, int controlFlags) { 1137 // If no method is currently selected, do nothing. 1138 if (mCurMethodId == null) { 1139 return mNoBinding; 1140 } 1141 1142 ClientState cs = mClients.get(client.asBinder()); 1143 if (cs == null) { 1144 throw new IllegalArgumentException("unknown client " 1145 + client.asBinder()); 1146 } 1147 1148 try { 1149 if (!mIWindowManager.inputMethodClientHasFocus(cs.client)) { 1150 // Check with the window manager to make sure this client actually 1151 // has a window with focus. If not, reject. This is thread safe 1152 // because if the focus changes some time before or after, the 1153 // next client receiving focus that has any interest in input will 1154 // be calling through here after that change happens. 1155 Slog.w(TAG, "Starting input on non-focused client " + cs.client 1156 + " (uid=" + cs.uid + " pid=" + cs.pid + ")"); 1157 return null; 1158 } 1159 } catch (RemoteException e) { 1160 } 1161 1162 return startInputUncheckedLocked(cs, inputContext, attribute, controlFlags); 1163 } 1164 1165 InputBindResult startInputUncheckedLocked(ClientState cs, 1166 IInputContext inputContext, EditorInfo attribute, int controlFlags) { 1167 // If no method is currently selected, do nothing. 1168 if (mCurMethodId == null) { 1169 return mNoBinding; 1170 } 1171 1172 if (mCurClient != cs) { 1173 // Was the keyguard locked when switching over to the new client? 1174 mCurClientInKeyguard = isKeyguardLocked(); 1175 // If the client is changing, we need to switch over to the new 1176 // one. 1177 unbindCurrentClientLocked(); 1178 if (DEBUG) Slog.v(TAG, "switching to client: client = " 1179 + cs.client.asBinder() + " keyguard=" + mCurClientInKeyguard); 1180 1181 // If the screen is on, inform the new client it is active 1182 if (mScreenOn) { 1183 executeOrSendMessage(cs.client, mCaller.obtainMessageIO( 1184 MSG_SET_ACTIVE, mScreenOn ? 1 : 0, cs)); 1185 } 1186 } 1187 1188 // Bump up the sequence for this client and attach it. 1189 mCurSeq++; 1190 if (mCurSeq <= 0) mCurSeq = 1; 1191 mCurClient = cs; 1192 mCurInputContext = inputContext; 1193 mCurAttribute = attribute; 1194 1195 // Check if the input method is changing. 1196 if (mCurId != null && mCurId.equals(mCurMethodId)) { 1197 if (cs.curSession != null) { 1198 // Fast case: if we are already connected to the input method, 1199 // then just return it. 1200 return attachNewInputLocked( 1201 (controlFlags&InputMethodManager.CONTROL_START_INITIAL) != 0); 1202 } 1203 if (mHaveConnection) { 1204 if (mCurMethod != null) { 1205 // Return to client, and we will get back with it when 1206 // we have had a session made for it. 1207 requestClientSessionLocked(cs); 1208 return new InputBindResult(null, null, mCurId, mCurSeq); 1209 } else if (SystemClock.uptimeMillis() 1210 < (mLastBindTime+TIME_TO_RECONNECT)) { 1211 // In this case we have connected to the service, but 1212 // don't yet have its interface. If it hasn't been too 1213 // long since we did the connection, we'll return to 1214 // the client and wait to get the service interface so 1215 // we can report back. If it has been too long, we want 1216 // to fall through so we can try a disconnect/reconnect 1217 // to see if we can get back in touch with the service. 1218 return new InputBindResult(null, null, mCurId, mCurSeq); 1219 } else { 1220 EventLog.writeEvent(EventLogTags.IMF_FORCE_RECONNECT_IME, 1221 mCurMethodId, SystemClock.uptimeMillis()-mLastBindTime, 0); 1222 } 1223 } 1224 } 1225 1226 return startInputInnerLocked(); 1227 } 1228 1229 InputBindResult startInputInnerLocked() { 1230 if (mCurMethodId == null) { 1231 return mNoBinding; 1232 } 1233 1234 if (!mSystemReady) { 1235 // If the system is not yet ready, we shouldn't be running third 1236 // party code. 1237 return new InputBindResult(null, null, mCurMethodId, mCurSeq); 1238 } 1239 1240 InputMethodInfo info = mMethodMap.get(mCurMethodId); 1241 if (info == null) { 1242 throw new IllegalArgumentException("Unknown id: " + mCurMethodId); 1243 } 1244 1245 unbindCurrentMethodLocked(false, true); 1246 1247 mCurIntent = new Intent(InputMethod.SERVICE_INTERFACE); 1248 mCurIntent.setComponent(info.getComponent()); 1249 mCurIntent.putExtra(Intent.EXTRA_CLIENT_LABEL, 1250 com.android.internal.R.string.input_method_binding_label); 1251 mCurIntent.putExtra(Intent.EXTRA_CLIENT_INTENT, PendingIntent.getActivity( 1252 mContext, 0, new Intent(Settings.ACTION_INPUT_METHOD_SETTINGS), 0)); 1253 if (bindCurrentInputMethodService(mCurIntent, this, Context.BIND_AUTO_CREATE 1254 | Context.BIND_NOT_VISIBLE | Context.BIND_NOT_FOREGROUND 1255 | Context.BIND_SHOWING_UI)) { 1256 mLastBindTime = SystemClock.uptimeMillis(); 1257 mHaveConnection = true; 1258 mCurId = info.getId(); 1259 mCurToken = new Binder(); 1260 try { 1261 if (true || DEBUG) Slog.v(TAG, "Adding window token: " + mCurToken); 1262 mIWindowManager.addWindowToken(mCurToken, 1263 WindowManager.LayoutParams.TYPE_INPUT_METHOD); 1264 } catch (RemoteException e) { 1265 } 1266 return new InputBindResult(null, null, mCurId, mCurSeq); 1267 } else { 1268 mCurIntent = null; 1269 Slog.w(TAG, "Failure connecting to input method service: " 1270 + mCurIntent); 1271 } 1272 return null; 1273 } 1274 1275 @Override 1276 public InputBindResult startInput(IInputMethodClient client, 1277 IInputContext inputContext, EditorInfo attribute, int controlFlags) { 1278 if (!calledFromValidUser()) { 1279 return null; 1280 } 1281 synchronized (mMethodMap) { 1282 final long ident = Binder.clearCallingIdentity(); 1283 try { 1284 return startInputLocked(client, inputContext, attribute, controlFlags); 1285 } finally { 1286 Binder.restoreCallingIdentity(ident); 1287 } 1288 } 1289 } 1290 1291 @Override 1292 public void finishInput(IInputMethodClient client) { 1293 } 1294 1295 @Override 1296 public void onServiceConnected(ComponentName name, IBinder service) { 1297 synchronized (mMethodMap) { 1298 if (mCurIntent != null && name.equals(mCurIntent.getComponent())) { 1299 mCurMethod = IInputMethod.Stub.asInterface(service); 1300 if (mCurToken == null) { 1301 Slog.w(TAG, "Service connected without a token!"); 1302 unbindCurrentMethodLocked(false, false); 1303 return; 1304 } 1305 if (DEBUG) Slog.v(TAG, "Initiating attach with token: " + mCurToken); 1306 executeOrSendMessage(mCurMethod, mCaller.obtainMessageOO( 1307 MSG_ATTACH_TOKEN, mCurMethod, mCurToken)); 1308 if (mCurClient != null) { 1309 clearClientSessionLocked(mCurClient); 1310 requestClientSessionLocked(mCurClient); 1311 } 1312 } 1313 } 1314 } 1315 1316 void onSessionCreated(IInputMethod method, IInputMethodSession session, 1317 InputChannel channel) { 1318 synchronized (mMethodMap) { 1319 if (mCurMethod != null && method != null 1320 && mCurMethod.asBinder() == method.asBinder()) { 1321 if (mCurClient != null) { 1322 clearClientSessionLocked(mCurClient); 1323 mCurClient.curSession = new SessionState(mCurClient, 1324 method, session, channel); 1325 InputBindResult res = attachNewInputLocked(true); 1326 if (res.method != null) { 1327 executeOrSendMessage(mCurClient.client, mCaller.obtainMessageOO( 1328 MSG_BIND_METHOD, mCurClient.client, res)); 1329 } 1330 return; 1331 } 1332 } 1333 } 1334 1335 // Session abandoned. Close its associated input channel. 1336 channel.dispose(); 1337 } 1338 1339 void unbindCurrentMethodLocked(boolean reportToClient, boolean savePosition) { 1340 if (mVisibleBound) { 1341 mContext.unbindService(mVisibleConnection); 1342 mVisibleBound = false; 1343 } 1344 1345 if (mHaveConnection) { 1346 mContext.unbindService(this); 1347 mHaveConnection = false; 1348 } 1349 1350 if (mCurToken != null) { 1351 try { 1352 if (DEBUG) Slog.v(TAG, "Removing window token: " + mCurToken); 1353 if ((mImeWindowVis & InputMethodService.IME_ACTIVE) != 0 && savePosition) { 1354 // The current IME is shown. Hence an IME switch (transition) is happening. 1355 mWindowManagerService.saveLastInputMethodWindowForTransition(); 1356 } 1357 mIWindowManager.removeWindowToken(mCurToken); 1358 } catch (RemoteException e) { 1359 } 1360 mCurToken = null; 1361 } 1362 1363 mCurId = null; 1364 clearCurMethodLocked(); 1365 1366 if (reportToClient && mCurClient != null) { 1367 executeOrSendMessage(mCurClient.client, mCaller.obtainMessageIO( 1368 MSG_UNBIND_METHOD, mCurSeq, mCurClient.client)); 1369 } 1370 } 1371 1372 void requestClientSessionLocked(ClientState cs) { 1373 if (!cs.sessionRequested) { 1374 if (DEBUG) Slog.v(TAG, "Creating new session for client " + cs); 1375 InputChannel[] channels = InputChannel.openInputChannelPair(cs.toString()); 1376 cs.sessionRequested = true; 1377 executeOrSendMessage(mCurMethod, mCaller.obtainMessageOOO( 1378 MSG_CREATE_SESSION, mCurMethod, channels[1], 1379 new MethodCallback(this, mCurMethod, channels[0]))); 1380 } 1381 } 1382 1383 void clearClientSessionLocked(ClientState cs) { 1384 finishSessionLocked(cs.curSession); 1385 cs.curSession = null; 1386 cs.sessionRequested = false; 1387 } 1388 1389 private void finishSessionLocked(SessionState sessionState) { 1390 if (sessionState != null) { 1391 if (sessionState.session != null) { 1392 try { 1393 sessionState.session.finishSession(); 1394 } catch (RemoteException e) { 1395 Slog.w(TAG, "Session failed to close due to remote exception", e); 1396 setImeWindowVisibilityStatusHiddenLocked(); 1397 } 1398 sessionState.session = null; 1399 } 1400 if (sessionState.channel != null) { 1401 sessionState.channel.dispose(); 1402 sessionState.channel = null; 1403 } 1404 } 1405 } 1406 1407 void clearCurMethodLocked() { 1408 if (mCurMethod != null) { 1409 for (ClientState cs : mClients.values()) { 1410 clearClientSessionLocked(cs); 1411 } 1412 1413 finishSessionLocked(mEnabledSession); 1414 mEnabledSession = null; 1415 mCurMethod = null; 1416 } 1417 if (mStatusBar != null) { 1418 mStatusBar.setIconVisibility("ime", false); 1419 } 1420 } 1421 1422 @Override 1423 public void onServiceDisconnected(ComponentName name) { 1424 synchronized (mMethodMap) { 1425 if (DEBUG) Slog.v(TAG, "Service disconnected: " + name 1426 + " mCurIntent=" + mCurIntent); 1427 if (mCurMethod != null && mCurIntent != null 1428 && name.equals(mCurIntent.getComponent())) { 1429 clearCurMethodLocked(); 1430 // We consider this to be a new bind attempt, since the system 1431 // should now try to restart the service for us. 1432 mLastBindTime = SystemClock.uptimeMillis(); 1433 mShowRequested = mInputShown; 1434 mInputShown = false; 1435 if (mCurClient != null) { 1436 executeOrSendMessage(mCurClient.client, mCaller.obtainMessageIO( 1437 MSG_UNBIND_METHOD, mCurSeq, mCurClient.client)); 1438 } 1439 } 1440 } 1441 } 1442 1443 @Override 1444 public void updateStatusIcon(IBinder token, String packageName, int iconId) { 1445 int uid = Binder.getCallingUid(); 1446 long ident = Binder.clearCallingIdentity(); 1447 try { 1448 if (!calledWithValidToken(token)) { 1449 Slog.e(TAG, "Ignoring updateStatusIcon due to an invalid token. uid:" + uid 1450 + " token:" + token); 1451 return; 1452 } 1453 synchronized (mMethodMap) { 1454 if (iconId == 0) { 1455 if (DEBUG) Slog.d(TAG, "hide the small icon for the input method"); 1456 if (mStatusBar != null) { 1457 mStatusBar.setIconVisibility("ime", false); 1458 } 1459 } else if (packageName != null) { 1460 if (DEBUG) Slog.d(TAG, "show a small icon for the input method"); 1461 CharSequence contentDescription = null; 1462 try { 1463 // Use PackageManager to load label 1464 final PackageManager packageManager = mContext.getPackageManager(); 1465 contentDescription = packageManager.getApplicationLabel( 1466 mIPackageManager.getApplicationInfo(packageName, 0, 1467 mSettings.getCurrentUserId())); 1468 } catch (RemoteException e) { 1469 /* ignore */ 1470 } 1471 if (mStatusBar != null) { 1472 mStatusBar.setIcon("ime", packageName, iconId, 0, 1473 contentDescription != null 1474 ? contentDescription.toString() : null); 1475 mStatusBar.setIconVisibility("ime", true); 1476 } 1477 } 1478 } 1479 } finally { 1480 Binder.restoreCallingIdentity(ident); 1481 } 1482 } 1483 1484 private boolean needsToShowImeSwitchOngoingNotification() { 1485 if (!mShowOngoingImeSwitcherForPhones) return false; 1486 if (mSwitchingDialog != null) return false; 1487 if (isScreenLocked()) return false; 1488 synchronized (mMethodMap) { 1489 List<InputMethodInfo> imis = mSettings.getEnabledInputMethodListLocked(); 1490 final int N = imis.size(); 1491 if (N > 2) return true; 1492 if (N < 1) return false; 1493 int nonAuxCount = 0; 1494 int auxCount = 0; 1495 InputMethodSubtype nonAuxSubtype = null; 1496 InputMethodSubtype auxSubtype = null; 1497 for(int i = 0; i < N; ++i) { 1498 final InputMethodInfo imi = imis.get(i); 1499 final List<InputMethodSubtype> subtypes = 1500 mSettings.getEnabledInputMethodSubtypeListLocked(mContext, imi, true); 1501 final int subtypeCount = subtypes.size(); 1502 if (subtypeCount == 0) { 1503 ++nonAuxCount; 1504 } else { 1505 for (int j = 0; j < subtypeCount; ++j) { 1506 final InputMethodSubtype subtype = subtypes.get(j); 1507 if (!subtype.isAuxiliary()) { 1508 ++nonAuxCount; 1509 nonAuxSubtype = subtype; 1510 } else { 1511 ++auxCount; 1512 auxSubtype = subtype; 1513 } 1514 } 1515 } 1516 } 1517 if (nonAuxCount > 1 || auxCount > 1) { 1518 return true; 1519 } else if (nonAuxCount == 1 && auxCount == 1) { 1520 if (nonAuxSubtype != null && auxSubtype != null 1521 && (nonAuxSubtype.getLocale().equals(auxSubtype.getLocale()) 1522 || auxSubtype.overridesImplicitlyEnabledSubtype() 1523 || nonAuxSubtype.overridesImplicitlyEnabledSubtype()) 1524 && nonAuxSubtype.containsExtraValueKey(TAG_TRY_SUPPRESSING_IME_SWITCHER)) { 1525 return false; 1526 } 1527 return true; 1528 } 1529 return false; 1530 } 1531 } 1532 1533 private boolean isKeyguardLocked() { 1534 return mKeyguardManager != null && mKeyguardManager.isKeyguardLocked(); 1535 } 1536 1537 // Caution! This method is called in this class. Handle multi-user carefully 1538 @SuppressWarnings("deprecation") 1539 @Override 1540 public void setImeWindowStatus(IBinder token, int vis, int backDisposition) { 1541 final long ident = Binder.clearCallingIdentity(); 1542 try { 1543 if (!calledWithValidToken(token)) { 1544 final int uid = Binder.getCallingUid(); 1545 Slog.e(TAG, "Ignoring setImeWindowStatus due to an invalid token. uid:" + uid 1546 + " token:" + token); 1547 return; 1548 } 1549 synchronized (mMethodMap) { 1550 // apply policy for binder calls 1551 if (vis != 0 && isKeyguardLocked() && !mCurClientInKeyguard) { 1552 vis = 0; 1553 } 1554 mImeWindowVis = vis; 1555 mBackDisposition = backDisposition; 1556 final boolean iconVisibility = ((vis & (InputMethodService.IME_ACTIVE)) != 0) 1557 && (mWindowManagerService.isHardKeyboardAvailable() 1558 || (vis & (InputMethodService.IME_VISIBLE)) != 0); 1559 final boolean needsToShowImeSwitcher = iconVisibility 1560 && needsToShowImeSwitchOngoingNotification(); 1561 if (mStatusBar != null) { 1562 mStatusBar.setImeWindowStatus(token, vis, backDisposition, 1563 needsToShowImeSwitcher); 1564 } 1565 final InputMethodInfo imi = mMethodMap.get(mCurMethodId); 1566 if (imi != null && needsToShowImeSwitcher) { 1567 // Used to load label 1568 final CharSequence title = mRes.getText( 1569 com.android.internal.R.string.select_input_method); 1570 final CharSequence summary = InputMethodUtils.getImeAndSubtypeDisplayName( 1571 mContext, imi, mCurrentSubtype); 1572 1573 mImeSwitcherNotification.setLatestEventInfo( 1574 mContext, title, summary, mImeSwitchPendingIntent); 1575 if ((mNotificationManager != null) 1576 && !mWindowManagerService.hasNavigationBar()) { 1577 if (DEBUG) { 1578 Slog.d(TAG, "--- show notification: label = " + summary); 1579 } 1580 mNotificationManager.notifyAsUser(null, 1581 com.android.internal.R.string.select_input_method, 1582 mImeSwitcherNotification, UserHandle.ALL); 1583 mNotificationShown = true; 1584 } 1585 } else { 1586 if (mNotificationShown && mNotificationManager != null) { 1587 if (DEBUG) { 1588 Slog.d(TAG, "--- hide notification"); 1589 } 1590 mNotificationManager.cancelAsUser(null, 1591 com.android.internal.R.string.select_input_method, UserHandle.ALL); 1592 mNotificationShown = false; 1593 } 1594 } 1595 } 1596 } finally { 1597 Binder.restoreCallingIdentity(ident); 1598 } 1599 } 1600 1601 @Override 1602 public void registerSuggestionSpansForNotification(SuggestionSpan[] spans) { 1603 if (!calledFromValidUser()) { 1604 return; 1605 } 1606 synchronized (mMethodMap) { 1607 final InputMethodInfo currentImi = mMethodMap.get(mCurMethodId); 1608 for (int i = 0; i < spans.length; ++i) { 1609 SuggestionSpan ss = spans[i]; 1610 if (!TextUtils.isEmpty(ss.getNotificationTargetClassName())) { 1611 mSecureSuggestionSpans.put(ss, currentImi); 1612 } 1613 } 1614 } 1615 } 1616 1617 @Override 1618 public boolean notifySuggestionPicked(SuggestionSpan span, String originalString, int index) { 1619 if (!calledFromValidUser()) { 1620 return false; 1621 } 1622 synchronized (mMethodMap) { 1623 final InputMethodInfo targetImi = mSecureSuggestionSpans.get(span); 1624 // TODO: Do not send the intent if the process of the targetImi is already dead. 1625 if (targetImi != null) { 1626 final String[] suggestions = span.getSuggestions(); 1627 if (index < 0 || index >= suggestions.length) return false; 1628 final String className = span.getNotificationTargetClassName(); 1629 final Intent intent = new Intent(); 1630 // Ensures that only a class in the original IME package will receive the 1631 // notification. 1632 intent.setClassName(targetImi.getPackageName(), className); 1633 intent.setAction(SuggestionSpan.ACTION_SUGGESTION_PICKED); 1634 intent.putExtra(SuggestionSpan.SUGGESTION_SPAN_PICKED_BEFORE, originalString); 1635 intent.putExtra(SuggestionSpan.SUGGESTION_SPAN_PICKED_AFTER, suggestions[index]); 1636 intent.putExtra(SuggestionSpan.SUGGESTION_SPAN_PICKED_HASHCODE, span.hashCode()); 1637 final long ident = Binder.clearCallingIdentity(); 1638 try { 1639 mContext.sendBroadcastAsUser(intent, UserHandle.CURRENT); 1640 } finally { 1641 Binder.restoreCallingIdentity(ident); 1642 } 1643 return true; 1644 } 1645 } 1646 return false; 1647 } 1648 1649 void updateFromSettingsLocked(boolean enabledMayChange) { 1650 if (enabledMayChange) { 1651 List<InputMethodInfo> enabled = mSettings.getEnabledInputMethodListLocked(); 1652 for (int i=0; i<enabled.size(); i++) { 1653 // We allow the user to select "disabled until used" apps, so if they 1654 // are enabling one of those here we now need to make it enabled. 1655 InputMethodInfo imm = enabled.get(i); 1656 try { 1657 ApplicationInfo ai = mIPackageManager.getApplicationInfo(imm.getPackageName(), 1658 PackageManager.GET_DISABLED_UNTIL_USED_COMPONENTS, 1659 mSettings.getCurrentUserId()); 1660 if (ai != null && ai.enabledSetting 1661 == PackageManager.COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED) { 1662 if (DEBUG) { 1663 Slog.d(TAG, "Update state(" + imm.getId() 1664 + "): DISABLED_UNTIL_USED -> DEFAULT"); 1665 } 1666 mIPackageManager.setApplicationEnabledSetting(imm.getPackageName(), 1667 PackageManager.COMPONENT_ENABLED_STATE_DEFAULT, 1668 PackageManager.DONT_KILL_APP, mSettings.getCurrentUserId(), 1669 mContext.getBasePackageName()); 1670 } 1671 } catch (RemoteException e) { 1672 } 1673 } 1674 } 1675 // We are assuming that whoever is changing DEFAULT_INPUT_METHOD and 1676 // ENABLED_INPUT_METHODS is taking care of keeping them correctly in 1677 // sync, so we will never have a DEFAULT_INPUT_METHOD that is not 1678 // enabled. 1679 String id = mSettings.getSelectedInputMethod(); 1680 // There is no input method selected, try to choose new applicable input method. 1681 if (TextUtils.isEmpty(id) && chooseNewDefaultIMELocked()) { 1682 id = mSettings.getSelectedInputMethod(); 1683 } 1684 if (!TextUtils.isEmpty(id)) { 1685 try { 1686 setInputMethodLocked(id, mSettings.getSelectedInputMethodSubtypeId(id)); 1687 } catch (IllegalArgumentException e) { 1688 Slog.w(TAG, "Unknown input method from prefs: " + id, e); 1689 mCurMethodId = null; 1690 unbindCurrentMethodLocked(true, false); 1691 } 1692 mShortcutInputMethodsAndSubtypes.clear(); 1693 } else { 1694 // There is no longer an input method set, so stop any current one. 1695 mCurMethodId = null; 1696 unbindCurrentMethodLocked(true, false); 1697 } 1698 // Here is not the perfect place to reset the switching controller. Ideally 1699 // mSwitchingController and mSettings should be able to share the same state. 1700 // TODO: Make sure that mSwitchingController and mSettings are sharing the 1701 // the same enabled IMEs list. 1702 mSwitchingController.resetCircularListLocked(mContext); 1703 } 1704 1705 /* package */ void setInputMethodLocked(String id, int subtypeId) { 1706 InputMethodInfo info = mMethodMap.get(id); 1707 if (info == null) { 1708 throw new IllegalArgumentException("Unknown id: " + id); 1709 } 1710 1711 // See if we need to notify a subtype change within the same IME. 1712 if (id.equals(mCurMethodId)) { 1713 final int subtypeCount = info.getSubtypeCount(); 1714 if (subtypeCount <= 0) { 1715 return; 1716 } 1717 final InputMethodSubtype oldSubtype = mCurrentSubtype; 1718 final InputMethodSubtype newSubtype; 1719 if (subtypeId >= 0 && subtypeId < subtypeCount) { 1720 newSubtype = info.getSubtypeAt(subtypeId); 1721 } else { 1722 // If subtype is null, try to find the most applicable one from 1723 // getCurrentInputMethodSubtype. 1724 newSubtype = getCurrentInputMethodSubtypeLocked(); 1725 } 1726 if (newSubtype == null || oldSubtype == null) { 1727 Slog.w(TAG, "Illegal subtype state: old subtype = " + oldSubtype 1728 + ", new subtype = " + newSubtype); 1729 return; 1730 } 1731 if (newSubtype != oldSubtype) { 1732 setSelectedInputMethodAndSubtypeLocked(info, subtypeId, true); 1733 if (mCurMethod != null) { 1734 try { 1735 refreshImeWindowVisibilityLocked(); 1736 mCurMethod.changeInputMethodSubtype(newSubtype); 1737 } catch (RemoteException e) { 1738 Slog.w(TAG, "Failed to call changeInputMethodSubtype"); 1739 } 1740 } 1741 } 1742 return; 1743 } 1744 1745 // Changing to a different IME. 1746 final long ident = Binder.clearCallingIdentity(); 1747 try { 1748 // Set a subtype to this input method. 1749 // subtypeId the name of a subtype which will be set. 1750 setSelectedInputMethodAndSubtypeLocked(info, subtypeId, false); 1751 // mCurMethodId should be updated after setSelectedInputMethodAndSubtypeLocked() 1752 // because mCurMethodId is stored as a history in 1753 // setSelectedInputMethodAndSubtypeLocked(). 1754 mCurMethodId = id; 1755 1756 if (ActivityManagerNative.isSystemReady()) { 1757 Intent intent = new Intent(Intent.ACTION_INPUT_METHOD_CHANGED); 1758 intent.addFlags(Intent.FLAG_RECEIVER_REPLACE_PENDING); 1759 intent.putExtra("input_method_id", id); 1760 mContext.sendBroadcastAsUser(intent, UserHandle.CURRENT); 1761 } 1762 unbindCurrentClientLocked(); 1763 } finally { 1764 Binder.restoreCallingIdentity(ident); 1765 } 1766 } 1767 1768 @Override 1769 public boolean showSoftInput(IInputMethodClient client, int flags, 1770 ResultReceiver resultReceiver) { 1771 if (!calledFromValidUser()) { 1772 return false; 1773 } 1774 int uid = Binder.getCallingUid(); 1775 long ident = Binder.clearCallingIdentity(); 1776 try { 1777 synchronized (mMethodMap) { 1778 if (mCurClient == null || client == null 1779 || mCurClient.client.asBinder() != client.asBinder()) { 1780 try { 1781 // We need to check if this is the current client with 1782 // focus in the window manager, to allow this call to 1783 // be made before input is started in it. 1784 if (!mIWindowManager.inputMethodClientHasFocus(client)) { 1785 Slog.w(TAG, "Ignoring showSoftInput of uid " + uid + ": " + client); 1786 return false; 1787 } 1788 } catch (RemoteException e) { 1789 return false; 1790 } 1791 } 1792 1793 if (DEBUG) Slog.v(TAG, "Client requesting input be shown"); 1794 return showCurrentInputLocked(flags, resultReceiver); 1795 } 1796 } finally { 1797 Binder.restoreCallingIdentity(ident); 1798 } 1799 } 1800 1801 boolean showCurrentInputLocked(int flags, ResultReceiver resultReceiver) { 1802 mShowRequested = true; 1803 if ((flags&InputMethodManager.SHOW_IMPLICIT) == 0) { 1804 mShowExplicitlyRequested = true; 1805 } 1806 if ((flags&InputMethodManager.SHOW_FORCED) != 0) { 1807 mShowExplicitlyRequested = true; 1808 mShowForced = true; 1809 } 1810 1811 if (!mSystemReady) { 1812 return false; 1813 } 1814 1815 boolean res = false; 1816 if (mCurMethod != null) { 1817 if (DEBUG) Slog.d(TAG, "showCurrentInputLocked: mCurToken=" + mCurToken); 1818 executeOrSendMessage(mCurMethod, mCaller.obtainMessageIOO( 1819 MSG_SHOW_SOFT_INPUT, getImeShowFlags(), mCurMethod, 1820 resultReceiver)); 1821 mInputShown = true; 1822 if (mHaveConnection && !mVisibleBound) { 1823 bindCurrentInputMethodService( 1824 mCurIntent, mVisibleConnection, Context.BIND_AUTO_CREATE 1825 | Context.BIND_TREAT_LIKE_ACTIVITY); 1826 mVisibleBound = true; 1827 } 1828 res = true; 1829 } else if (mHaveConnection && SystemClock.uptimeMillis() 1830 >= (mLastBindTime+TIME_TO_RECONNECT)) { 1831 // The client has asked to have the input method shown, but 1832 // we have been sitting here too long with a connection to the 1833 // service and no interface received, so let's disconnect/connect 1834 // to try to prod things along. 1835 EventLog.writeEvent(EventLogTags.IMF_FORCE_RECONNECT_IME, mCurMethodId, 1836 SystemClock.uptimeMillis()-mLastBindTime,1); 1837 Slog.w(TAG, "Force disconnect/connect to the IME in showCurrentInputLocked()"); 1838 mContext.unbindService(this); 1839 bindCurrentInputMethodService(mCurIntent, this, Context.BIND_AUTO_CREATE 1840 | Context.BIND_NOT_VISIBLE); 1841 } else { 1842 if (DEBUG) { 1843 Slog.d(TAG, "Can't show input: connection = " + mHaveConnection + ", time = " 1844 + ((mLastBindTime+TIME_TO_RECONNECT) - SystemClock.uptimeMillis())); 1845 } 1846 } 1847 1848 return res; 1849 } 1850 1851 @Override 1852 public boolean hideSoftInput(IInputMethodClient client, int flags, 1853 ResultReceiver resultReceiver) { 1854 if (!calledFromValidUser()) { 1855 return false; 1856 } 1857 int uid = Binder.getCallingUid(); 1858 long ident = Binder.clearCallingIdentity(); 1859 try { 1860 synchronized (mMethodMap) { 1861 if (mCurClient == null || client == null 1862 || mCurClient.client.asBinder() != client.asBinder()) { 1863 try { 1864 // We need to check if this is the current client with 1865 // focus in the window manager, to allow this call to 1866 // be made before input is started in it. 1867 if (!mIWindowManager.inputMethodClientHasFocus(client)) { 1868 if (DEBUG) Slog.w(TAG, "Ignoring hideSoftInput of uid " 1869 + uid + ": " + client); 1870 setImeWindowVisibilityStatusHiddenLocked(); 1871 return false; 1872 } 1873 } catch (RemoteException e) { 1874 setImeWindowVisibilityStatusHiddenLocked(); 1875 return false; 1876 } 1877 } 1878 1879 if (DEBUG) Slog.v(TAG, "Client requesting input be hidden"); 1880 return hideCurrentInputLocked(flags, resultReceiver); 1881 } 1882 } finally { 1883 Binder.restoreCallingIdentity(ident); 1884 } 1885 } 1886 1887 boolean hideCurrentInputLocked(int flags, ResultReceiver resultReceiver) { 1888 if ((flags&InputMethodManager.HIDE_IMPLICIT_ONLY) != 0 1889 && (mShowExplicitlyRequested || mShowForced)) { 1890 if (DEBUG) Slog.v(TAG, "Not hiding: explicit show not cancelled by non-explicit hide"); 1891 return false; 1892 } 1893 if (mShowForced && (flags&InputMethodManager.HIDE_NOT_ALWAYS) != 0) { 1894 if (DEBUG) Slog.v(TAG, "Not hiding: forced show not cancelled by not-always hide"); 1895 return false; 1896 } 1897 boolean res; 1898 if (mInputShown && mCurMethod != null) { 1899 executeOrSendMessage(mCurMethod, mCaller.obtainMessageOO( 1900 MSG_HIDE_SOFT_INPUT, mCurMethod, resultReceiver)); 1901 res = true; 1902 } else { 1903 res = false; 1904 } 1905 if (mHaveConnection && mVisibleBound) { 1906 mContext.unbindService(mVisibleConnection); 1907 mVisibleBound = false; 1908 } 1909 mInputShown = false; 1910 mShowRequested = false; 1911 mShowExplicitlyRequested = false; 1912 mShowForced = false; 1913 return res; 1914 } 1915 1916 @Override 1917 public InputBindResult windowGainedFocus(IInputMethodClient client, IBinder windowToken, 1918 int controlFlags, int softInputMode, int windowFlags, 1919 EditorInfo attribute, IInputContext inputContext) { 1920 // Needs to check the validity before clearing calling identity 1921 final boolean calledFromValidUser = calledFromValidUser(); 1922 1923 InputBindResult res = null; 1924 long ident = Binder.clearCallingIdentity(); 1925 try { 1926 synchronized (mMethodMap) { 1927 if (DEBUG) Slog.v(TAG, "windowGainedFocus: " + client.asBinder() 1928 + " controlFlags=#" + Integer.toHexString(controlFlags) 1929 + " softInputMode=#" + Integer.toHexString(softInputMode) 1930 + " windowFlags=#" + Integer.toHexString(windowFlags)); 1931 1932 ClientState cs = mClients.get(client.asBinder()); 1933 if (cs == null) { 1934 throw new IllegalArgumentException("unknown client " 1935 + client.asBinder()); 1936 } 1937 1938 try { 1939 if (!mIWindowManager.inputMethodClientHasFocus(cs.client)) { 1940 // Check with the window manager to make sure this client actually 1941 // has a window with focus. If not, reject. This is thread safe 1942 // because if the focus changes some time before or after, the 1943 // next client receiving focus that has any interest in input will 1944 // be calling through here after that change happens. 1945 Slog.w(TAG, "Focus gain on non-focused client " + cs.client 1946 + " (uid=" + cs.uid + " pid=" + cs.pid + ")"); 1947 return null; 1948 } 1949 } catch (RemoteException e) { 1950 } 1951 1952 if (!calledFromValidUser) { 1953 Slog.w(TAG, "A background user is requesting window. Hiding IME."); 1954 Slog.w(TAG, "If you want to interect with IME, you need " 1955 + "android.permission.INTERACT_ACROSS_USERS_FULL"); 1956 hideCurrentInputLocked(0, null); 1957 return null; 1958 } 1959 1960 if (mCurFocusedWindow == windowToken) { 1961 Slog.w(TAG, "Window already focused, ignoring focus gain of: " + client 1962 + " attribute=" + attribute + ", token = " + windowToken); 1963 if (attribute != null) { 1964 return startInputUncheckedLocked(cs, inputContext, attribute, 1965 controlFlags); 1966 } 1967 return null; 1968 } 1969 mCurFocusedWindow = windowToken; 1970 1971 // Should we auto-show the IME even if the caller has not 1972 // specified what should be done with it? 1973 // We only do this automatically if the window can resize 1974 // to accommodate the IME (so what the user sees will give 1975 // them good context without input information being obscured 1976 // by the IME) or if running on a large screen where there 1977 // is more room for the target window + IME. 1978 final boolean doAutoShow = 1979 (softInputMode & WindowManager.LayoutParams.SOFT_INPUT_MASK_ADJUST) 1980 == WindowManager.LayoutParams.SOFT_INPUT_ADJUST_RESIZE 1981 || mRes.getConfiguration().isLayoutSizeAtLeast( 1982 Configuration.SCREENLAYOUT_SIZE_LARGE); 1983 final boolean isTextEditor = 1984 (controlFlags&InputMethodManager.CONTROL_WINDOW_IS_TEXT_EDITOR) != 0; 1985 1986 // We want to start input before showing the IME, but after closing 1987 // it. We want to do this after closing it to help the IME disappear 1988 // more quickly (not get stuck behind it initializing itself for the 1989 // new focused input, even if its window wants to hide the IME). 1990 boolean didStart = false; 1991 1992 switch (softInputMode&WindowManager.LayoutParams.SOFT_INPUT_MASK_STATE) { 1993 case WindowManager.LayoutParams.SOFT_INPUT_STATE_UNSPECIFIED: 1994 if (!isTextEditor || !doAutoShow) { 1995 if (WindowManager.LayoutParams.mayUseInputMethod(windowFlags)) { 1996 // There is no focus view, and this window will 1997 // be behind any soft input window, so hide the 1998 // soft input window if it is shown. 1999 if (DEBUG) Slog.v(TAG, "Unspecified window will hide input"); 2000 hideCurrentInputLocked(InputMethodManager.HIDE_NOT_ALWAYS, null); 2001 } 2002 } else if (isTextEditor && doAutoShow && (softInputMode & 2003 WindowManager.LayoutParams.SOFT_INPUT_IS_FORWARD_NAVIGATION) != 0) { 2004 // There is a focus view, and we are navigating forward 2005 // into the window, so show the input window for the user. 2006 // We only do this automatically if the window can resize 2007 // to accommodate the IME (so what the user sees will give 2008 // them good context without input information being obscured 2009 // by the IME) or if running on a large screen where there 2010 // is more room for the target window + IME. 2011 if (DEBUG) Slog.v(TAG, "Unspecified window will show input"); 2012 if (attribute != null) { 2013 res = startInputUncheckedLocked(cs, inputContext, attribute, 2014 controlFlags); 2015 didStart = true; 2016 } 2017 showCurrentInputLocked(InputMethodManager.SHOW_IMPLICIT, null); 2018 } 2019 break; 2020 case WindowManager.LayoutParams.SOFT_INPUT_STATE_UNCHANGED: 2021 // Do nothing. 2022 break; 2023 case WindowManager.LayoutParams.SOFT_INPUT_STATE_HIDDEN: 2024 if ((softInputMode & 2025 WindowManager.LayoutParams.SOFT_INPUT_IS_FORWARD_NAVIGATION) != 0) { 2026 if (DEBUG) Slog.v(TAG, "Window asks to hide input going forward"); 2027 hideCurrentInputLocked(0, null); 2028 } 2029 break; 2030 case WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_HIDDEN: 2031 if (DEBUG) Slog.v(TAG, "Window asks to hide input"); 2032 hideCurrentInputLocked(0, null); 2033 break; 2034 case WindowManager.LayoutParams.SOFT_INPUT_STATE_VISIBLE: 2035 if ((softInputMode & 2036 WindowManager.LayoutParams.SOFT_INPUT_IS_FORWARD_NAVIGATION) != 0) { 2037 if (DEBUG) Slog.v(TAG, "Window asks to show input going forward"); 2038 if (attribute != null) { 2039 res = startInputUncheckedLocked(cs, inputContext, attribute, 2040 controlFlags); 2041 didStart = true; 2042 } 2043 showCurrentInputLocked(InputMethodManager.SHOW_IMPLICIT, null); 2044 } 2045 break; 2046 case WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_VISIBLE: 2047 if (DEBUG) Slog.v(TAG, "Window asks to always show input"); 2048 if (attribute != null) { 2049 res = startInputUncheckedLocked(cs, inputContext, attribute, 2050 controlFlags); 2051 didStart = true; 2052 } 2053 showCurrentInputLocked(InputMethodManager.SHOW_IMPLICIT, null); 2054 break; 2055 } 2056 2057 if (!didStart && attribute != null) { 2058 res = startInputUncheckedLocked(cs, inputContext, attribute, 2059 controlFlags); 2060 } 2061 } 2062 } finally { 2063 Binder.restoreCallingIdentity(ident); 2064 } 2065 2066 return res; 2067 } 2068 2069 @Override 2070 public void showInputMethodPickerFromClient(IInputMethodClient client) { 2071 if (!calledFromValidUser()) { 2072 return; 2073 } 2074 synchronized (mMethodMap) { 2075 if (mCurClient == null || client == null 2076 || mCurClient.client.asBinder() != client.asBinder()) { 2077 Slog.w(TAG, "Ignoring showInputMethodPickerFromClient of uid " 2078 + Binder.getCallingUid() + ": " + client); 2079 } 2080 2081 // Always call subtype picker, because subtype picker is a superset of input method 2082 // picker. 2083 mHandler.sendEmptyMessage(MSG_SHOW_IM_SUBTYPE_PICKER); 2084 } 2085 } 2086 2087 @Override 2088 public void setInputMethod(IBinder token, String id) { 2089 if (!calledFromValidUser()) { 2090 return; 2091 } 2092 setInputMethodWithSubtypeId(token, id, NOT_A_SUBTYPE_ID); 2093 } 2094 2095 @Override 2096 public void setInputMethodAndSubtype(IBinder token, String id, InputMethodSubtype subtype) { 2097 if (!calledFromValidUser()) { 2098 return; 2099 } 2100 synchronized (mMethodMap) { 2101 if (subtype != null) { 2102 setInputMethodWithSubtypeIdLocked(token, id, 2103 InputMethodUtils.getSubtypeIdFromHashCode(mMethodMap.get(id), 2104 subtype.hashCode())); 2105 } else { 2106 setInputMethod(token, id); 2107 } 2108 } 2109 } 2110 2111 @Override 2112 public void showInputMethodAndSubtypeEnablerFromClient( 2113 IInputMethodClient client, String inputMethodId) { 2114 if (!calledFromValidUser()) { 2115 return; 2116 } 2117 synchronized (mMethodMap) { 2118 if (mCurClient == null || client == null 2119 || mCurClient.client.asBinder() != client.asBinder()) { 2120 Slog.w(TAG, "Ignoring showInputMethodAndSubtypeEnablerFromClient of: " + client); 2121 } 2122 executeOrSendMessage(mCurMethod, mCaller.obtainMessageO( 2123 MSG_SHOW_IM_SUBTYPE_ENABLER, inputMethodId)); 2124 } 2125 } 2126 2127 @Override 2128 public boolean switchToLastInputMethod(IBinder token) { 2129 if (!calledFromValidUser()) { 2130 return false; 2131 } 2132 synchronized (mMethodMap) { 2133 final Pair<String, String> lastIme = mSettings.getLastInputMethodAndSubtypeLocked(); 2134 final InputMethodInfo lastImi; 2135 if (lastIme != null) { 2136 lastImi = mMethodMap.get(lastIme.first); 2137 } else { 2138 lastImi = null; 2139 } 2140 String targetLastImiId = null; 2141 int subtypeId = NOT_A_SUBTYPE_ID; 2142 if (lastIme != null && lastImi != null) { 2143 final boolean imiIdIsSame = lastImi.getId().equals(mCurMethodId); 2144 final int lastSubtypeHash = Integer.valueOf(lastIme.second); 2145 final int currentSubtypeHash = mCurrentSubtype == null ? NOT_A_SUBTYPE_ID 2146 : mCurrentSubtype.hashCode(); 2147 // If the last IME is the same as the current IME and the last subtype is not 2148 // defined, there is no need to switch to the last IME. 2149 if (!imiIdIsSame || lastSubtypeHash != currentSubtypeHash) { 2150 targetLastImiId = lastIme.first; 2151 subtypeId = InputMethodUtils.getSubtypeIdFromHashCode(lastImi, lastSubtypeHash); 2152 } 2153 } 2154 2155 if (TextUtils.isEmpty(targetLastImiId) 2156 && !InputMethodUtils.canAddToLastInputMethod(mCurrentSubtype)) { 2157 // This is a safety net. If the currentSubtype can't be added to the history 2158 // and the framework couldn't find the last ime, we will make the last ime be 2159 // the most applicable enabled keyboard subtype of the system imes. 2160 final List<InputMethodInfo> enabled = mSettings.getEnabledInputMethodListLocked(); 2161 if (enabled != null) { 2162 final int N = enabled.size(); 2163 final String locale = mCurrentSubtype == null 2164 ? mRes.getConfiguration().locale.toString() 2165 : mCurrentSubtype.getLocale(); 2166 for (int i = 0; i < N; ++i) { 2167 final InputMethodInfo imi = enabled.get(i); 2168 if (imi.getSubtypeCount() > 0 && InputMethodUtils.isSystemIme(imi)) { 2169 InputMethodSubtype keyboardSubtype = 2170 InputMethodUtils.findLastResortApplicableSubtypeLocked(mRes, 2171 InputMethodUtils.getSubtypes(imi), 2172 InputMethodUtils.SUBTYPE_MODE_KEYBOARD, locale, true); 2173 if (keyboardSubtype != null) { 2174 targetLastImiId = imi.getId(); 2175 subtypeId = InputMethodUtils.getSubtypeIdFromHashCode( 2176 imi, keyboardSubtype.hashCode()); 2177 if(keyboardSubtype.getLocale().equals(locale)) { 2178 break; 2179 } 2180 } 2181 } 2182 } 2183 } 2184 } 2185 2186 if (!TextUtils.isEmpty(targetLastImiId)) { 2187 if (DEBUG) { 2188 Slog.d(TAG, "Switch to: " + lastImi.getId() + ", " + lastIme.second 2189 + ", from: " + mCurMethodId + ", " + subtypeId); 2190 } 2191 setInputMethodWithSubtypeIdLocked(token, targetLastImiId, subtypeId); 2192 return true; 2193 } else { 2194 return false; 2195 } 2196 } 2197 } 2198 2199 @Override 2200 public boolean switchToNextInputMethod(IBinder token, boolean onlyCurrentIme) { 2201 if (!calledFromValidUser()) { 2202 return false; 2203 } 2204 synchronized (mMethodMap) { 2205 final ImeSubtypeListItem nextSubtype = mSwitchingController.getNextInputMethodLocked( 2206 onlyCurrentIme, mMethodMap.get(mCurMethodId), mCurrentSubtype); 2207 if (nextSubtype == null) { 2208 return false; 2209 } 2210 setInputMethodWithSubtypeIdLocked(token, nextSubtype.mImi.getId(), 2211 nextSubtype.mSubtypeId); 2212 return true; 2213 } 2214 } 2215 2216 @Override 2217 public boolean shouldOfferSwitchingToNextInputMethod(IBinder token) { 2218 if (!calledFromValidUser()) { 2219 return false; 2220 } 2221 synchronized (mMethodMap) { 2222 final ImeSubtypeListItem nextSubtype = mSwitchingController.getNextInputMethodLocked( 2223 false /* onlyCurrentIme */, mMethodMap.get(mCurMethodId), mCurrentSubtype); 2224 if (nextSubtype == null) { 2225 return false; 2226 } 2227 return true; 2228 } 2229 } 2230 2231 @Override 2232 public InputMethodSubtype getLastInputMethodSubtype() { 2233 if (!calledFromValidUser()) { 2234 return null; 2235 } 2236 synchronized (mMethodMap) { 2237 final Pair<String, String> lastIme = mSettings.getLastInputMethodAndSubtypeLocked(); 2238 // TODO: Handle the case of the last IME with no subtypes 2239 if (lastIme == null || TextUtils.isEmpty(lastIme.first) 2240 || TextUtils.isEmpty(lastIme.second)) return null; 2241 final InputMethodInfo lastImi = mMethodMap.get(lastIme.first); 2242 if (lastImi == null) return null; 2243 try { 2244 final int lastSubtypeHash = Integer.valueOf(lastIme.second); 2245 final int lastSubtypeId = 2246 InputMethodUtils.getSubtypeIdFromHashCode(lastImi, lastSubtypeHash); 2247 if (lastSubtypeId < 0 || lastSubtypeId >= lastImi.getSubtypeCount()) { 2248 return null; 2249 } 2250 return lastImi.getSubtypeAt(lastSubtypeId); 2251 } catch (NumberFormatException e) { 2252 return null; 2253 } 2254 } 2255 } 2256 2257 @Override 2258 public void setAdditionalInputMethodSubtypes(String imiId, InputMethodSubtype[] subtypes) { 2259 if (!calledFromValidUser()) { 2260 return; 2261 } 2262 // By this IPC call, only a process which shares the same uid with the IME can add 2263 // additional input method subtypes to the IME. 2264 if (TextUtils.isEmpty(imiId) || subtypes == null || subtypes.length == 0) return; 2265 synchronized (mMethodMap) { 2266 final InputMethodInfo imi = mMethodMap.get(imiId); 2267 if (imi == null) return; 2268 final String[] packageInfos; 2269 try { 2270 packageInfos = mIPackageManager.getPackagesForUid(Binder.getCallingUid()); 2271 } catch (RemoteException e) { 2272 Slog.e(TAG, "Failed to get package infos"); 2273 return; 2274 } 2275 if (packageInfos != null) { 2276 final int packageNum = packageInfos.length; 2277 for (int i = 0; i < packageNum; ++i) { 2278 if (packageInfos[i].equals(imi.getPackageName())) { 2279 mFileManager.addInputMethodSubtypes(imi, subtypes); 2280 final long ident = Binder.clearCallingIdentity(); 2281 try { 2282 buildInputMethodListLocked(mMethodList, mMethodMap, 2283 false /* resetDefaultEnabledIme */); 2284 } finally { 2285 Binder.restoreCallingIdentity(ident); 2286 } 2287 return; 2288 } 2289 } 2290 } 2291 } 2292 return; 2293 } 2294 2295 @Override 2296 public int getInputMethodWindowVisibleHeight() { 2297 return mWindowManagerService.getInputMethodWindowVisibleHeight(); 2298 } 2299 2300 @Override 2301 public void notifyTextCommitted() { 2302 if (DEBUG) { 2303 Slog.d(TAG, "Got the notification of commitText"); 2304 } 2305 synchronized (mMethodMap) { 2306 final InputMethodInfo imi = mMethodMap.get(mCurMethodId); 2307 if (imi != null) { 2308 mSwitchingController.onCommitTextLocked(imi, mCurrentSubtype); 2309 } 2310 } 2311 } 2312 2313 @Override 2314 public void setCursorAnchorMonitorMode(IBinder token, int monitorMode) { 2315 if (DEBUG) { 2316 Slog.d(TAG, "setCursorAnchorMonitorMode: monitorMode=" + monitorMode); 2317 } 2318 if (!calledFromValidUser()) { 2319 return; 2320 } 2321 synchronized (mMethodMap) { 2322 if (!calledWithValidToken(token)) { 2323 final int uid = Binder.getCallingUid(); 2324 Slog.e(TAG, "Ignoring setCursorAnchorMonitorMode due to an invalid token. uid:" 2325 + uid + " token:" + token); 2326 return; 2327 } 2328 executeOrSendMessage(mCurMethod, mCaller.obtainMessageIO( 2329 MSG_SET_CURSOR_ANCHOR_MONITOR_MODE, monitorMode, mCurClient)); 2330 } 2331 } 2332 2333 private void setInputMethodWithSubtypeId(IBinder token, String id, int subtypeId) { 2334 synchronized (mMethodMap) { 2335 setInputMethodWithSubtypeIdLocked(token, id, subtypeId); 2336 } 2337 } 2338 2339 private void setInputMethodWithSubtypeIdLocked(IBinder token, String id, int subtypeId) { 2340 if (token == null) { 2341 if (mContext.checkCallingOrSelfPermission( 2342 android.Manifest.permission.WRITE_SECURE_SETTINGS) 2343 != PackageManager.PERMISSION_GRANTED) { 2344 throw new SecurityException( 2345 "Using null token requires permission " 2346 + android.Manifest.permission.WRITE_SECURE_SETTINGS); 2347 } 2348 } else if (mCurToken != token) { 2349 Slog.w(TAG, "Ignoring setInputMethod of uid " + Binder.getCallingUid() 2350 + " token: " + token); 2351 return; 2352 } 2353 2354 final long ident = Binder.clearCallingIdentity(); 2355 try { 2356 setInputMethodLocked(id, subtypeId); 2357 } finally { 2358 Binder.restoreCallingIdentity(ident); 2359 } 2360 } 2361 2362 @Override 2363 public void hideMySoftInput(IBinder token, int flags) { 2364 if (!calledFromValidUser()) { 2365 return; 2366 } 2367 synchronized (mMethodMap) { 2368 if (!calledWithValidToken(token)) { 2369 final int uid = Binder.getCallingUid(); 2370 Slog.e(TAG, "Ignoring hideInputMethod due to an invalid token. uid:" 2371 + uid + " token:" + token); 2372 return; 2373 } 2374 long ident = Binder.clearCallingIdentity(); 2375 try { 2376 hideCurrentInputLocked(flags, null); 2377 } finally { 2378 Binder.restoreCallingIdentity(ident); 2379 } 2380 } 2381 } 2382 2383 @Override 2384 public void showMySoftInput(IBinder token, int flags) { 2385 if (!calledFromValidUser()) { 2386 return; 2387 } 2388 synchronized (mMethodMap) { 2389 if (!calledWithValidToken(token)) { 2390 final int uid = Binder.getCallingUid(); 2391 Slog.e(TAG, "Ignoring showMySoftInput due to an invalid token. uid:" 2392 + uid + " token:" + token); 2393 return; 2394 } 2395 long ident = Binder.clearCallingIdentity(); 2396 try { 2397 showCurrentInputLocked(flags, null); 2398 } finally { 2399 Binder.restoreCallingIdentity(ident); 2400 } 2401 } 2402 } 2403 2404 void setEnabledSessionInMainThread(SessionState session) { 2405 if (mEnabledSession != session) { 2406 if (mEnabledSession != null && mEnabledSession.session != null) { 2407 try { 2408 if (DEBUG) Slog.v(TAG, "Disabling: " + mEnabledSession); 2409 mEnabledSession.method.setSessionEnabled(mEnabledSession.session, false); 2410 } catch (RemoteException e) { 2411 } 2412 } 2413 mEnabledSession = session; 2414 if (mEnabledSession != null && mEnabledSession.session != null) { 2415 try { 2416 if (DEBUG) Slog.v(TAG, "Enabling: " + mEnabledSession); 2417 mEnabledSession.method.setSessionEnabled(mEnabledSession.session, true); 2418 } catch (RemoteException e) { 2419 } 2420 } 2421 } 2422 } 2423 2424 @Override 2425 public boolean handleMessage(Message msg) { 2426 SomeArgs args; 2427 switch (msg.what) { 2428 case MSG_SHOW_IM_PICKER: 2429 showInputMethodMenu(); 2430 return true; 2431 2432 case MSG_SHOW_IM_SUBTYPE_PICKER: 2433 showInputMethodSubtypeMenu(); 2434 return true; 2435 2436 case MSG_SHOW_IM_SUBTYPE_ENABLER: 2437 args = (SomeArgs)msg.obj; 2438 showInputMethodAndSubtypeEnabler((String)args.arg1); 2439 args.recycle(); 2440 return true; 2441 2442 case MSG_SHOW_IM_CONFIG: 2443 showConfigureInputMethods(); 2444 return true; 2445 2446 // --------------------------------------------------------- 2447 2448 case MSG_UNBIND_INPUT: 2449 try { 2450 ((IInputMethod)msg.obj).unbindInput(); 2451 } catch (RemoteException e) { 2452 // There is nothing interesting about the method dying. 2453 } 2454 return true; 2455 case MSG_BIND_INPUT: 2456 args = (SomeArgs)msg.obj; 2457 try { 2458 ((IInputMethod)args.arg1).bindInput((InputBinding)args.arg2); 2459 } catch (RemoteException e) { 2460 } 2461 args.recycle(); 2462 return true; 2463 case MSG_SHOW_SOFT_INPUT: 2464 args = (SomeArgs)msg.obj; 2465 try { 2466 if (DEBUG) Slog.v(TAG, "Calling " + args.arg1 + ".showSoftInput(" 2467 + msg.arg1 + ", " + args.arg2 + ")"); 2468 ((IInputMethod)args.arg1).showSoftInput(msg.arg1, (ResultReceiver)args.arg2); 2469 } catch (RemoteException e) { 2470 } 2471 args.recycle(); 2472 return true; 2473 case MSG_HIDE_SOFT_INPUT: 2474 args = (SomeArgs)msg.obj; 2475 try { 2476 if (DEBUG) Slog.v(TAG, "Calling " + args.arg1 + ".hideSoftInput(0, " 2477 + args.arg2 + ")"); 2478 ((IInputMethod)args.arg1).hideSoftInput(0, (ResultReceiver)args.arg2); 2479 } catch (RemoteException e) { 2480 } 2481 args.recycle(); 2482 return true; 2483 case MSG_ATTACH_TOKEN: 2484 args = (SomeArgs)msg.obj; 2485 try { 2486 if (DEBUG) Slog.v(TAG, "Sending attach of token: " + args.arg2); 2487 ((IInputMethod)args.arg1).attachToken((IBinder)args.arg2); 2488 } catch (RemoteException e) { 2489 } 2490 args.recycle(); 2491 return true; 2492 case MSG_CREATE_SESSION: { 2493 args = (SomeArgs)msg.obj; 2494 IInputMethod method = (IInputMethod)args.arg1; 2495 InputChannel channel = (InputChannel)args.arg2; 2496 try { 2497 method.createSession(channel, (IInputSessionCallback)args.arg3); 2498 } catch (RemoteException e) { 2499 } finally { 2500 // Dispose the channel if the input method is not local to this process 2501 // because the remote proxy will get its own copy when unparceled. 2502 if (channel != null && Binder.isProxy(method)) { 2503 channel.dispose(); 2504 } 2505 } 2506 args.recycle(); 2507 return true; 2508 } 2509 // --------------------------------------------------------- 2510 2511 case MSG_START_INPUT: 2512 args = (SomeArgs)msg.obj; 2513 try { 2514 SessionState session = (SessionState)args.arg1; 2515 setEnabledSessionInMainThread(session); 2516 session.method.startInput((IInputContext)args.arg2, 2517 (EditorInfo)args.arg3); 2518 } catch (RemoteException e) { 2519 } 2520 args.recycle(); 2521 return true; 2522 case MSG_RESTART_INPUT: 2523 args = (SomeArgs)msg.obj; 2524 try { 2525 SessionState session = (SessionState)args.arg1; 2526 setEnabledSessionInMainThread(session); 2527 session.method.restartInput((IInputContext)args.arg2, 2528 (EditorInfo)args.arg3); 2529 } catch (RemoteException e) { 2530 } 2531 args.recycle(); 2532 return true; 2533 2534 // --------------------------------------------------------- 2535 2536 case MSG_UNBIND_METHOD: 2537 try { 2538 ((IInputMethodClient)msg.obj).onUnbindMethod(msg.arg1); 2539 } catch (RemoteException e) { 2540 // There is nothing interesting about the last client dying. 2541 } 2542 return true; 2543 case MSG_BIND_METHOD: { 2544 args = (SomeArgs)msg.obj; 2545 IInputMethodClient client = (IInputMethodClient)args.arg1; 2546 InputBindResult res = (InputBindResult)args.arg2; 2547 try { 2548 client.onBindMethod(res); 2549 } catch (RemoteException e) { 2550 Slog.w(TAG, "Client died receiving input method " + args.arg2); 2551 } finally { 2552 // Dispose the channel if the input method is not local to this process 2553 // because the remote proxy will get its own copy when unparceled. 2554 if (res.channel != null && Binder.isProxy(client)) { 2555 res.channel.dispose(); 2556 } 2557 } 2558 args.recycle(); 2559 return true; 2560 } 2561 case MSG_SET_ACTIVE: 2562 try { 2563 ((ClientState)msg.obj).client.setActive(msg.arg1 != 0); 2564 } catch (RemoteException e) { 2565 Slog.w(TAG, "Got RemoteException sending setActive(false) notification to pid " 2566 + ((ClientState)msg.obj).pid + " uid " 2567 + ((ClientState)msg.obj).uid); 2568 } 2569 return true; 2570 case MSG_SET_CURSOR_ANCHOR_MONITOR_MODE: 2571 try { 2572 ((ClientState)msg.obj).client.setCursorAnchorMonitorMode(msg.arg1); 2573 } catch (RemoteException e) { 2574 Slog.w(TAG, "Got RemoteException sending setCursorAnchorMonitorMode " 2575 + "notification to pid " + ((ClientState)msg.obj).pid 2576 + " uid " + ((ClientState)msg.obj).uid); 2577 } 2578 return true; 2579 2580 // -------------------------------------------------------------- 2581 case MSG_HARD_KEYBOARD_SWITCH_CHANGED: 2582 mHardKeyboardListener.handleHardKeyboardStatusChange( 2583 msg.arg1 == 1, msg.arg2 == 1); 2584 return true; 2585 } 2586 return false; 2587 } 2588 2589 private boolean chooseNewDefaultIMELocked() { 2590 final InputMethodInfo imi = InputMethodUtils.getMostApplicableDefaultIME( 2591 mSettings.getEnabledInputMethodListLocked()); 2592 if (imi != null) { 2593 if (DEBUG) { 2594 Slog.d(TAG, "New default IME was selected: " + imi.getId()); 2595 } 2596 resetSelectedInputMethodAndSubtypeLocked(imi.getId()); 2597 return true; 2598 } 2599 2600 return false; 2601 } 2602 2603 void buildInputMethodListLocked(ArrayList<InputMethodInfo> list, 2604 HashMap<String, InputMethodInfo> map, boolean resetDefaultEnabledIme) { 2605 if (DEBUG) { 2606 Slog.d(TAG, "--- re-buildInputMethodList reset = " + resetDefaultEnabledIme 2607 + " \n ------ \n" + InputMethodUtils.getStackTrace()); 2608 } 2609 list.clear(); 2610 map.clear(); 2611 2612 // Use for queryIntentServicesAsUser 2613 final PackageManager pm = mContext.getPackageManager(); 2614 String disabledSysImes = mSettings.getDisabledSystemInputMethods(); 2615 if (disabledSysImes == null) disabledSysImes = ""; 2616 2617 final List<ResolveInfo> services = pm.queryIntentServicesAsUser( 2618 new Intent(InputMethod.SERVICE_INTERFACE), 2619 PackageManager.GET_META_DATA | PackageManager.GET_DISABLED_UNTIL_USED_COMPONENTS, 2620 mSettings.getCurrentUserId()); 2621 2622 final HashMap<String, List<InputMethodSubtype>> additionalSubtypes = 2623 mFileManager.getAllAdditionalInputMethodSubtypes(); 2624 for (int i = 0; i < services.size(); ++i) { 2625 ResolveInfo ri = services.get(i); 2626 ServiceInfo si = ri.serviceInfo; 2627 ComponentName compName = new ComponentName(si.packageName, si.name); 2628 if (!android.Manifest.permission.BIND_INPUT_METHOD.equals( 2629 si.permission)) { 2630 Slog.w(TAG, "Skipping input method " + compName 2631 + ": it does not require the permission " 2632 + android.Manifest.permission.BIND_INPUT_METHOD); 2633 continue; 2634 } 2635 2636 if (DEBUG) Slog.d(TAG, "Checking " + compName); 2637 2638 try { 2639 InputMethodInfo p = new InputMethodInfo(mContext, ri, additionalSubtypes); 2640 list.add(p); 2641 final String id = p.getId(); 2642 map.put(id, p); 2643 2644 if (DEBUG) { 2645 Slog.d(TAG, "Found an input method " + p); 2646 } 2647 2648 } catch (XmlPullParserException e) { 2649 Slog.w(TAG, "Unable to load input method " + compName, e); 2650 } catch (IOException e) { 2651 Slog.w(TAG, "Unable to load input method " + compName, e); 2652 } 2653 } 2654 2655 if (resetDefaultEnabledIme) { 2656 final ArrayList<InputMethodInfo> defaultEnabledIme = 2657 InputMethodUtils.getDefaultEnabledImes(mContext, mSystemReady, list); 2658 for (int i = 0; i < defaultEnabledIme.size(); ++i) { 2659 final InputMethodInfo imi = defaultEnabledIme.get(i); 2660 if (DEBUG) { 2661 Slog.d(TAG, "--- enable ime = " + imi); 2662 } 2663 setInputMethodEnabledLocked(imi.getId(), true); 2664 } 2665 } 2666 2667 final String defaultImiId = mSettings.getSelectedInputMethod(); 2668 if (!TextUtils.isEmpty(defaultImiId)) { 2669 if (!map.containsKey(defaultImiId)) { 2670 Slog.w(TAG, "Default IME is uninstalled. Choose new default IME."); 2671 if (chooseNewDefaultIMELocked()) { 2672 updateFromSettingsLocked(true); 2673 } 2674 } else { 2675 // Double check that the default IME is certainly enabled. 2676 setInputMethodEnabledLocked(defaultImiId, true); 2677 } 2678 } 2679 // Here is not the perfect place to reset the switching controller. Ideally 2680 // mSwitchingController and mSettings should be able to share the same state. 2681 // TODO: Make sure that mSwitchingController and mSettings are sharing the 2682 // the same enabled IMEs list. 2683 mSwitchingController.resetCircularListLocked(mContext); 2684 } 2685 2686 // ---------------------------------------------------------------------- 2687 2688 private void showInputMethodMenu() { 2689 showInputMethodMenuInternal(false); 2690 } 2691 2692 private void showInputMethodSubtypeMenu() { 2693 showInputMethodMenuInternal(true); 2694 } 2695 2696 private void showInputMethodAndSubtypeEnabler(String inputMethodId) { 2697 Intent intent = new Intent(Settings.ACTION_INPUT_METHOD_SUBTYPE_SETTINGS); 2698 intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK 2699 | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED 2700 | Intent.FLAG_ACTIVITY_CLEAR_TOP); 2701 if (!TextUtils.isEmpty(inputMethodId)) { 2702 intent.putExtra(Settings.EXTRA_INPUT_METHOD_ID, inputMethodId); 2703 } 2704 mContext.startActivityAsUser(intent, null, UserHandle.CURRENT); 2705 } 2706 2707 private void showConfigureInputMethods() { 2708 Intent intent = new Intent(Settings.ACTION_INPUT_METHOD_SETTINGS); 2709 intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK 2710 | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED 2711 | Intent.FLAG_ACTIVITY_CLEAR_TOP); 2712 mContext.startActivityAsUser(intent, null, UserHandle.CURRENT); 2713 } 2714 2715 private boolean isScreenLocked() { 2716 return mKeyguardManager != null 2717 && mKeyguardManager.isKeyguardLocked() && mKeyguardManager.isKeyguardSecure(); 2718 } 2719 private void showInputMethodMenuInternal(boolean showSubtypes) { 2720 if (DEBUG) Slog.v(TAG, "Show switching menu"); 2721 2722 final Context context = mContext; 2723 final boolean isScreenLocked = isScreenLocked(); 2724 2725 final String lastInputMethodId = mSettings.getSelectedInputMethod(); 2726 int lastInputMethodSubtypeId = mSettings.getSelectedInputMethodSubtypeId(lastInputMethodId); 2727 if (DEBUG) Slog.v(TAG, "Current IME: " + lastInputMethodId); 2728 2729 synchronized (mMethodMap) { 2730 final HashMap<InputMethodInfo, List<InputMethodSubtype>> immis = 2731 mSettings.getExplicitlyOrImplicitlyEnabledInputMethodsAndSubtypeListLocked( 2732 mContext); 2733 if (immis == null || immis.size() == 0) { 2734 return; 2735 } 2736 2737 hideInputMethodMenuLocked(); 2738 2739 final List<ImeSubtypeListItem> imList = 2740 mSwitchingController.getSortedInputMethodAndSubtypeListLocked( 2741 showSubtypes, mInputShown, isScreenLocked); 2742 2743 if (lastInputMethodSubtypeId == NOT_A_SUBTYPE_ID) { 2744 final InputMethodSubtype currentSubtype = getCurrentInputMethodSubtypeLocked(); 2745 if (currentSubtype != null) { 2746 final InputMethodInfo currentImi = mMethodMap.get(mCurMethodId); 2747 lastInputMethodSubtypeId = InputMethodUtils.getSubtypeIdFromHashCode( 2748 currentImi, currentSubtype.hashCode()); 2749 } 2750 } 2751 2752 final int N = imList.size(); 2753 mIms = new InputMethodInfo[N]; 2754 mSubtypeIds = new int[N]; 2755 int checkedItem = 0; 2756 for (int i = 0; i < N; ++i) { 2757 final ImeSubtypeListItem item = imList.get(i); 2758 mIms[i] = item.mImi; 2759 mSubtypeIds[i] = item.mSubtypeId; 2760 if (mIms[i].getId().equals(lastInputMethodId)) { 2761 int subtypeId = mSubtypeIds[i]; 2762 if ((subtypeId == NOT_A_SUBTYPE_ID) 2763 || (lastInputMethodSubtypeId == NOT_A_SUBTYPE_ID && subtypeId == 0) 2764 || (subtypeId == lastInputMethodSubtypeId)) { 2765 checkedItem = i; 2766 } 2767 } 2768 } 2769 final TypedArray a = context.obtainStyledAttributes(null, 2770 com.android.internal.R.styleable.DialogPreference, 2771 com.android.internal.R.attr.alertDialogStyle, 0); 2772 mDialogBuilder = new AlertDialog.Builder(context) 2773 .setOnCancelListener(new OnCancelListener() { 2774 @Override 2775 public void onCancel(DialogInterface dialog) { 2776 hideInputMethodMenu(); 2777 } 2778 }) 2779 .setIcon(a.getDrawable( 2780 com.android.internal.R.styleable.DialogPreference_dialogTitle)); 2781 a.recycle(); 2782 final LayoutInflater inflater = 2783 (LayoutInflater)mContext.getSystemService(Context.LAYOUT_INFLATER_SERVICE); 2784 final View tv = inflater.inflate( 2785 com.android.internal.R.layout.input_method_switch_dialog_title, null); 2786 mDialogBuilder.setCustomTitle(tv); 2787 2788 // Setup layout for a toggle switch of the hardware keyboard 2789 mSwitchingDialogTitleView = tv; 2790 mSwitchingDialogTitleView.findViewById( 2791 com.android.internal.R.id.hard_keyboard_section).setVisibility( 2792 mWindowManagerService.isHardKeyboardAvailable() ? 2793 View.VISIBLE : View.GONE); 2794 final Switch hardKeySwitch = ((Switch)mSwitchingDialogTitleView.findViewById( 2795 com.android.internal.R.id.hard_keyboard_switch)); 2796 hardKeySwitch.setChecked(mWindowManagerService.isHardKeyboardEnabled()); 2797 hardKeySwitch.setOnCheckedChangeListener( 2798 new OnCheckedChangeListener() { 2799 @Override 2800 public void onCheckedChanged( 2801 CompoundButton buttonView, boolean isChecked) { 2802 mWindowManagerService.setHardKeyboardEnabled(isChecked); 2803 // Ensure that the input method dialog is dismissed when changing 2804 // the hardware keyboard state. 2805 hideInputMethodMenu(); 2806 } 2807 }); 2808 2809 final ImeSubtypeListAdapter adapter = new ImeSubtypeListAdapter(context, 2810 com.android.internal.R.layout.simple_list_item_2_single_choice, imList, 2811 checkedItem); 2812 2813 mDialogBuilder.setSingleChoiceItems(adapter, checkedItem, 2814 new AlertDialog.OnClickListener() { 2815 @Override 2816 public void onClick(DialogInterface dialog, int which) { 2817 synchronized (mMethodMap) { 2818 if (mIms == null || mIms.length <= which 2819 || mSubtypeIds == null || mSubtypeIds.length <= which) { 2820 return; 2821 } 2822 InputMethodInfo im = mIms[which]; 2823 int subtypeId = mSubtypeIds[which]; 2824 adapter.mCheckedItem = which; 2825 adapter.notifyDataSetChanged(); 2826 hideInputMethodMenu(); 2827 if (im != null) { 2828 if ((subtypeId < 0) 2829 || (subtypeId >= im.getSubtypeCount())) { 2830 subtypeId = NOT_A_SUBTYPE_ID; 2831 } 2832 setInputMethodLocked(im.getId(), subtypeId); 2833 } 2834 } 2835 } 2836 }); 2837 2838 if (showSubtypes && !isScreenLocked) { 2839 mDialogBuilder.setPositiveButton( 2840 com.android.internal.R.string.configure_input_methods, 2841 new DialogInterface.OnClickListener() { 2842 @Override 2843 public void onClick(DialogInterface dialog, int whichButton) { 2844 showConfigureInputMethods(); 2845 } 2846 }); 2847 } 2848 mSwitchingDialog = mDialogBuilder.create(); 2849 mSwitchingDialog.setCanceledOnTouchOutside(true); 2850 mSwitchingDialog.getWindow().setType( 2851 WindowManager.LayoutParams.TYPE_INPUT_METHOD_DIALOG); 2852 mSwitchingDialog.getWindow().getAttributes().privateFlags |= 2853 WindowManager.LayoutParams.PRIVATE_FLAG_SHOW_FOR_ALL_USERS; 2854 mSwitchingDialog.getWindow().getAttributes().setTitle("Select input method"); 2855 updateImeWindowStatusLocked(); 2856 mSwitchingDialog.show(); 2857 } 2858 } 2859 2860 private static class ImeSubtypeListAdapter extends ArrayAdapter<ImeSubtypeListItem> { 2861 private final LayoutInflater mInflater; 2862 private final int mTextViewResourceId; 2863 private final List<ImeSubtypeListItem> mItemsList; 2864 public int mCheckedItem; 2865 public ImeSubtypeListAdapter(Context context, int textViewResourceId, 2866 List<ImeSubtypeListItem> itemsList, int checkedItem) { 2867 super(context, textViewResourceId, itemsList); 2868 mTextViewResourceId = textViewResourceId; 2869 mItemsList = itemsList; 2870 mCheckedItem = checkedItem; 2871 mInflater = (LayoutInflater)context.getSystemService(Context.LAYOUT_INFLATER_SERVICE); 2872 } 2873 2874 @Override 2875 public View getView(int position, View convertView, ViewGroup parent) { 2876 final View view = convertView != null ? convertView 2877 : mInflater.inflate(mTextViewResourceId, null); 2878 if (position < 0 || position >= mItemsList.size()) return view; 2879 final ImeSubtypeListItem item = mItemsList.get(position); 2880 final CharSequence imeName = item.mImeName; 2881 final CharSequence subtypeName = item.mSubtypeName; 2882 final TextView firstTextView = (TextView)view.findViewById(android.R.id.text1); 2883 final TextView secondTextView = (TextView)view.findViewById(android.R.id.text2); 2884 if (TextUtils.isEmpty(subtypeName)) { 2885 firstTextView.setText(imeName); 2886 secondTextView.setVisibility(View.GONE); 2887 } else { 2888 firstTextView.setText(subtypeName); 2889 secondTextView.setText(imeName); 2890 secondTextView.setVisibility(View.VISIBLE); 2891 } 2892 final RadioButton radioButton = 2893 (RadioButton)view.findViewById(com.android.internal.R.id.radio); 2894 radioButton.setChecked(position == mCheckedItem); 2895 return view; 2896 } 2897 } 2898 2899 void hideInputMethodMenu() { 2900 synchronized (mMethodMap) { 2901 hideInputMethodMenuLocked(); 2902 } 2903 } 2904 2905 void hideInputMethodMenuLocked() { 2906 if (DEBUG) Slog.v(TAG, "Hide switching menu"); 2907 2908 if (mSwitchingDialog != null) { 2909 mSwitchingDialog.dismiss(); 2910 mSwitchingDialog = null; 2911 } 2912 2913 updateImeWindowStatusLocked(); 2914 mDialogBuilder = null; 2915 mIms = null; 2916 } 2917 2918 // ---------------------------------------------------------------------- 2919 2920 @Override 2921 public boolean setInputMethodEnabled(String id, boolean enabled) { 2922 // TODO: Make this work even for non-current users? 2923 if (!calledFromValidUser()) { 2924 return false; 2925 } 2926 synchronized (mMethodMap) { 2927 if (mContext.checkCallingOrSelfPermission( 2928 android.Manifest.permission.WRITE_SECURE_SETTINGS) 2929 != PackageManager.PERMISSION_GRANTED) { 2930 throw new SecurityException( 2931 "Requires permission " 2932 + android.Manifest.permission.WRITE_SECURE_SETTINGS); 2933 } 2934 2935 long ident = Binder.clearCallingIdentity(); 2936 try { 2937 return setInputMethodEnabledLocked(id, enabled); 2938 } finally { 2939 Binder.restoreCallingIdentity(ident); 2940 } 2941 } 2942 } 2943 2944 boolean setInputMethodEnabledLocked(String id, boolean enabled) { 2945 // Make sure this is a valid input method. 2946 InputMethodInfo imm = mMethodMap.get(id); 2947 if (imm == null) { 2948 throw new IllegalArgumentException("Unknown id: " + mCurMethodId); 2949 } 2950 2951 List<Pair<String, ArrayList<String>>> enabledInputMethodsList = mSettings 2952 .getEnabledInputMethodsAndSubtypeListLocked(); 2953 2954 if (enabled) { 2955 for (Pair<String, ArrayList<String>> pair: enabledInputMethodsList) { 2956 if (pair.first.equals(id)) { 2957 // We are enabling this input method, but it is already enabled. 2958 // Nothing to do. The previous state was enabled. 2959 return true; 2960 } 2961 } 2962 mSettings.appendAndPutEnabledInputMethodLocked(id, false); 2963 // Previous state was disabled. 2964 return false; 2965 } else { 2966 StringBuilder builder = new StringBuilder(); 2967 if (mSettings.buildAndPutEnabledInputMethodsStrRemovingIdLocked( 2968 builder, enabledInputMethodsList, id)) { 2969 // Disabled input method is currently selected, switch to another one. 2970 final String selId = mSettings.getSelectedInputMethod(); 2971 if (id.equals(selId) && !chooseNewDefaultIMELocked()) { 2972 Slog.i(TAG, "Can't find new IME, unsetting the current input method."); 2973 resetSelectedInputMethodAndSubtypeLocked(""); 2974 } 2975 // Previous state was enabled. 2976 return true; 2977 } else { 2978 // We are disabling the input method but it is already disabled. 2979 // Nothing to do. The previous state was disabled. 2980 return false; 2981 } 2982 } 2983 } 2984 2985 private void setSelectedInputMethodAndSubtypeLocked(InputMethodInfo imi, int subtypeId, 2986 boolean setSubtypeOnly) { 2987 // Update the history of InputMethod and Subtype 2988 mSettings.saveCurrentInputMethodAndSubtypeToHistory(mCurMethodId, mCurrentSubtype); 2989 2990 // Set Subtype here 2991 if (imi == null || subtypeId < 0) { 2992 mSettings.putSelectedSubtype(NOT_A_SUBTYPE_ID); 2993 mCurrentSubtype = null; 2994 } else { 2995 if (subtypeId < imi.getSubtypeCount()) { 2996 InputMethodSubtype subtype = imi.getSubtypeAt(subtypeId); 2997 mSettings.putSelectedSubtype(subtype.hashCode()); 2998 mCurrentSubtype = subtype; 2999 } else { 3000 mSettings.putSelectedSubtype(NOT_A_SUBTYPE_ID); 3001 // If the subtype is not specified, choose the most applicable one 3002 mCurrentSubtype = getCurrentInputMethodSubtypeLocked(); 3003 } 3004 } 3005 3006 // Workaround. 3007 // ASEC is not ready in the IMMS constructor. Accordingly, forward-locked 3008 // IMEs are not recognized and considered uninstalled. 3009 // Actually, we can't move everything after SystemReady because 3010 // IMMS needs to run in the encryption lock screen. So, we just skip changing 3011 // the default IME here and try cheking the default IME again in systemReady(). 3012 // TODO: Do nothing before system ready and implement a separated logic for 3013 // the encryption lock screen. 3014 // TODO: ASEC should be ready before IMMS is instantiated. 3015 if (mSystemReady && !setSubtypeOnly) { 3016 // Set InputMethod here 3017 mSettings.putSelectedInputMethod(imi != null ? imi.getId() : ""); 3018 } 3019 } 3020 3021 private void resetSelectedInputMethodAndSubtypeLocked(String newDefaultIme) { 3022 InputMethodInfo imi = mMethodMap.get(newDefaultIme); 3023 int lastSubtypeId = NOT_A_SUBTYPE_ID; 3024 // newDefaultIme is empty when there is no candidate for the selected IME. 3025 if (imi != null && !TextUtils.isEmpty(newDefaultIme)) { 3026 String subtypeHashCode = mSettings.getLastSubtypeForInputMethodLocked(newDefaultIme); 3027 if (subtypeHashCode != null) { 3028 try { 3029 lastSubtypeId = InputMethodUtils.getSubtypeIdFromHashCode( 3030 imi, Integer.valueOf(subtypeHashCode)); 3031 } catch (NumberFormatException e) { 3032 Slog.w(TAG, "HashCode for subtype looks broken: " + subtypeHashCode, e); 3033 } 3034 } 3035 } 3036 setSelectedInputMethodAndSubtypeLocked(imi, lastSubtypeId, false); 3037 } 3038 3039 // If there are no selected shortcuts, tries finding the most applicable ones. 3040 private Pair<InputMethodInfo, InputMethodSubtype> 3041 findLastResortApplicableShortcutInputMethodAndSubtypeLocked(String mode) { 3042 List<InputMethodInfo> imis = mSettings.getEnabledInputMethodListLocked(); 3043 InputMethodInfo mostApplicableIMI = null; 3044 InputMethodSubtype mostApplicableSubtype = null; 3045 boolean foundInSystemIME = false; 3046 3047 // Search applicable subtype for each InputMethodInfo 3048 for (InputMethodInfo imi: imis) { 3049 final String imiId = imi.getId(); 3050 if (foundInSystemIME && !imiId.equals(mCurMethodId)) { 3051 continue; 3052 } 3053 InputMethodSubtype subtype = null; 3054 final List<InputMethodSubtype> enabledSubtypes = 3055 mSettings.getEnabledInputMethodSubtypeListLocked(mContext, imi, true); 3056 // 1. Search by the current subtype's locale from enabledSubtypes. 3057 if (mCurrentSubtype != null) { 3058 subtype = InputMethodUtils.findLastResortApplicableSubtypeLocked( 3059 mRes, enabledSubtypes, mode, mCurrentSubtype.getLocale(), false); 3060 } 3061 // 2. Search by the system locale from enabledSubtypes. 3062 // 3. Search the first enabled subtype matched with mode from enabledSubtypes. 3063 if (subtype == null) { 3064 subtype = InputMethodUtils.findLastResortApplicableSubtypeLocked( 3065 mRes, enabledSubtypes, mode, null, true); 3066 } 3067 final ArrayList<InputMethodSubtype> overridingImplicitlyEnabledSubtypes = 3068 InputMethodUtils.getOverridingImplicitlyEnabledSubtypes(imi, mode); 3069 final ArrayList<InputMethodSubtype> subtypesForSearch = 3070 overridingImplicitlyEnabledSubtypes.isEmpty() 3071 ? InputMethodUtils.getSubtypes(imi) 3072 : overridingImplicitlyEnabledSubtypes; 3073 // 4. Search by the current subtype's locale from all subtypes. 3074 if (subtype == null && mCurrentSubtype != null) { 3075 subtype = InputMethodUtils.findLastResortApplicableSubtypeLocked( 3076 mRes, subtypesForSearch, mode, mCurrentSubtype.getLocale(), false); 3077 } 3078 // 5. Search by the system locale from all subtypes. 3079 // 6. Search the first enabled subtype matched with mode from all subtypes. 3080 if (subtype == null) { 3081 subtype = InputMethodUtils.findLastResortApplicableSubtypeLocked( 3082 mRes, subtypesForSearch, mode, null, true); 3083 } 3084 if (subtype != null) { 3085 if (imiId.equals(mCurMethodId)) { 3086 // The current input method is the most applicable IME. 3087 mostApplicableIMI = imi; 3088 mostApplicableSubtype = subtype; 3089 break; 3090 } else if (!foundInSystemIME) { 3091 // The system input method is 2nd applicable IME. 3092 mostApplicableIMI = imi; 3093 mostApplicableSubtype = subtype; 3094 if ((imi.getServiceInfo().applicationInfo.flags 3095 & ApplicationInfo.FLAG_SYSTEM) != 0) { 3096 foundInSystemIME = true; 3097 } 3098 } 3099 } 3100 } 3101 if (DEBUG) { 3102 if (mostApplicableIMI != null) { 3103 Slog.w(TAG, "Most applicable shortcut input method was:" 3104 + mostApplicableIMI.getId()); 3105 if (mostApplicableSubtype != null) { 3106 Slog.w(TAG, "Most applicable shortcut input method subtype was:" 3107 + "," + mostApplicableSubtype.getMode() + "," 3108 + mostApplicableSubtype.getLocale()); 3109 } 3110 } 3111 } 3112 if (mostApplicableIMI != null) { 3113 return new Pair<InputMethodInfo, InputMethodSubtype> (mostApplicableIMI, 3114 mostApplicableSubtype); 3115 } else { 3116 return null; 3117 } 3118 } 3119 3120 /** 3121 * @return Return the current subtype of this input method. 3122 */ 3123 @Override 3124 public InputMethodSubtype getCurrentInputMethodSubtype() { 3125 // TODO: Make this work even for non-current users? 3126 if (!calledFromValidUser()) { 3127 return null; 3128 } 3129 synchronized (mMethodMap) { 3130 return getCurrentInputMethodSubtypeLocked(); 3131 } 3132 } 3133 3134 private InputMethodSubtype getCurrentInputMethodSubtypeLocked() { 3135 if (mCurMethodId == null) { 3136 return null; 3137 } 3138 final boolean subtypeIsSelected = mSettings.isSubtypeSelected(); 3139 final InputMethodInfo imi = mMethodMap.get(mCurMethodId); 3140 if (imi == null || imi.getSubtypeCount() == 0) { 3141 return null; 3142 } 3143 if (!subtypeIsSelected || mCurrentSubtype == null 3144 || !InputMethodUtils.isValidSubtypeId(imi, mCurrentSubtype.hashCode())) { 3145 int subtypeId = mSettings.getSelectedInputMethodSubtypeId(mCurMethodId); 3146 if (subtypeId == NOT_A_SUBTYPE_ID) { 3147 // If there are no selected subtypes, the framework will try to find 3148 // the most applicable subtype from explicitly or implicitly enabled 3149 // subtypes. 3150 List<InputMethodSubtype> explicitlyOrImplicitlyEnabledSubtypes = 3151 mSettings.getEnabledInputMethodSubtypeListLocked(mContext, imi, true); 3152 // If there is only one explicitly or implicitly enabled subtype, 3153 // just returns it. 3154 if (explicitlyOrImplicitlyEnabledSubtypes.size() == 1) { 3155 mCurrentSubtype = explicitlyOrImplicitlyEnabledSubtypes.get(0); 3156 } else if (explicitlyOrImplicitlyEnabledSubtypes.size() > 1) { 3157 mCurrentSubtype = InputMethodUtils.findLastResortApplicableSubtypeLocked( 3158 mRes, explicitlyOrImplicitlyEnabledSubtypes, 3159 InputMethodUtils.SUBTYPE_MODE_KEYBOARD, null, true); 3160 if (mCurrentSubtype == null) { 3161 mCurrentSubtype = InputMethodUtils.findLastResortApplicableSubtypeLocked( 3162 mRes, explicitlyOrImplicitlyEnabledSubtypes, null, null, 3163 true); 3164 } 3165 } 3166 } else { 3167 mCurrentSubtype = InputMethodUtils.getSubtypes(imi).get(subtypeId); 3168 } 3169 } 3170 return mCurrentSubtype; 3171 } 3172 3173 private void addShortcutInputMethodAndSubtypes(InputMethodInfo imi, 3174 InputMethodSubtype subtype) { 3175 if (mShortcutInputMethodsAndSubtypes.containsKey(imi)) { 3176 mShortcutInputMethodsAndSubtypes.get(imi).add(subtype); 3177 } else { 3178 ArrayList<InputMethodSubtype> subtypes = new ArrayList<InputMethodSubtype>(); 3179 subtypes.add(subtype); 3180 mShortcutInputMethodsAndSubtypes.put(imi, subtypes); 3181 } 3182 } 3183 3184 // TODO: We should change the return type from List to List<Parcelable> 3185 @SuppressWarnings("rawtypes") 3186 @Override 3187 public List getShortcutInputMethodsAndSubtypes() { 3188 synchronized (mMethodMap) { 3189 ArrayList<Object> ret = new ArrayList<Object>(); 3190 if (mShortcutInputMethodsAndSubtypes.size() == 0) { 3191 // If there are no selected shortcut subtypes, the framework will try to find 3192 // the most applicable subtype from all subtypes whose mode is 3193 // SUBTYPE_MODE_VOICE. This is an exceptional case, so we will hardcode the mode. 3194 Pair<InputMethodInfo, InputMethodSubtype> info = 3195 findLastResortApplicableShortcutInputMethodAndSubtypeLocked( 3196 InputMethodUtils.SUBTYPE_MODE_VOICE); 3197 if (info != null) { 3198 ret.add(info.first); 3199 ret.add(info.second); 3200 } 3201 return ret; 3202 } 3203 for (InputMethodInfo imi: mShortcutInputMethodsAndSubtypes.keySet()) { 3204 ret.add(imi); 3205 for (InputMethodSubtype subtype: mShortcutInputMethodsAndSubtypes.get(imi)) { 3206 ret.add(subtype); 3207 } 3208 } 3209 return ret; 3210 } 3211 } 3212 3213 @Override 3214 public boolean setCurrentInputMethodSubtype(InputMethodSubtype subtype) { 3215 // TODO: Make this work even for non-current users? 3216 if (!calledFromValidUser()) { 3217 return false; 3218 } 3219 synchronized (mMethodMap) { 3220 if (subtype != null && mCurMethodId != null) { 3221 InputMethodInfo imi = mMethodMap.get(mCurMethodId); 3222 int subtypeId = InputMethodUtils.getSubtypeIdFromHashCode(imi, subtype.hashCode()); 3223 if (subtypeId != NOT_A_SUBTYPE_ID) { 3224 setInputMethodLocked(mCurMethodId, subtypeId); 3225 return true; 3226 } 3227 } 3228 return false; 3229 } 3230 } 3231 3232 // TODO: Cache the state for each user and reset when the cached user is removed. 3233 private static class InputMethodFileManager { 3234 private static final String SYSTEM_PATH = "system"; 3235 private static final String INPUT_METHOD_PATH = "inputmethod"; 3236 private static final String ADDITIONAL_SUBTYPES_FILE_NAME = "subtypes.xml"; 3237 private static final String NODE_SUBTYPES = "subtypes"; 3238 private static final String NODE_SUBTYPE = "subtype"; 3239 private static final String NODE_IMI = "imi"; 3240 private static final String ATTR_ID = "id"; 3241 private static final String ATTR_LABEL = "label"; 3242 private static final String ATTR_ICON = "icon"; 3243 private static final String ATTR_IME_SUBTYPE_LOCALE = "imeSubtypeLocale"; 3244 private static final String ATTR_IME_SUBTYPE_MODE = "imeSubtypeMode"; 3245 private static final String ATTR_IME_SUBTYPE_EXTRA_VALUE = "imeSubtypeExtraValue"; 3246 private static final String ATTR_IS_AUXILIARY = "isAuxiliary"; 3247 private final AtomicFile mAdditionalInputMethodSubtypeFile; 3248 private final HashMap<String, InputMethodInfo> mMethodMap; 3249 private final HashMap<String, List<InputMethodSubtype>> mAdditionalSubtypesMap = 3250 new HashMap<String, List<InputMethodSubtype>>(); 3251 public InputMethodFileManager(HashMap<String, InputMethodInfo> methodMap, int userId) { 3252 if (methodMap == null) { 3253 throw new NullPointerException("methodMap is null"); 3254 } 3255 mMethodMap = methodMap; 3256 final File systemDir = userId == UserHandle.USER_OWNER 3257 ? new File(Environment.getDataDirectory(), SYSTEM_PATH) 3258 : Environment.getUserSystemDirectory(userId); 3259 final File inputMethodDir = new File(systemDir, INPUT_METHOD_PATH); 3260 if (!inputMethodDir.mkdirs()) { 3261 Slog.w(TAG, "Couldn't create dir.: " + inputMethodDir.getAbsolutePath()); 3262 } 3263 final File subtypeFile = new File(inputMethodDir, ADDITIONAL_SUBTYPES_FILE_NAME); 3264 mAdditionalInputMethodSubtypeFile = new AtomicFile(subtypeFile); 3265 if (!subtypeFile.exists()) { 3266 // If "subtypes.xml" doesn't exist, create a blank file. 3267 writeAdditionalInputMethodSubtypes( 3268 mAdditionalSubtypesMap, mAdditionalInputMethodSubtypeFile, methodMap); 3269 } else { 3270 readAdditionalInputMethodSubtypes( 3271 mAdditionalSubtypesMap, mAdditionalInputMethodSubtypeFile); 3272 } 3273 } 3274 3275 private void deleteAllInputMethodSubtypes(String imiId) { 3276 synchronized (mMethodMap) { 3277 mAdditionalSubtypesMap.remove(imiId); 3278 writeAdditionalInputMethodSubtypes( 3279 mAdditionalSubtypesMap, mAdditionalInputMethodSubtypeFile, mMethodMap); 3280 } 3281 } 3282 3283 public void addInputMethodSubtypes( 3284 InputMethodInfo imi, InputMethodSubtype[] additionalSubtypes) { 3285 synchronized (mMethodMap) { 3286 final ArrayList<InputMethodSubtype> subtypes = new ArrayList<InputMethodSubtype>(); 3287 final int N = additionalSubtypes.length; 3288 for (int i = 0; i < N; ++i) { 3289 final InputMethodSubtype subtype = additionalSubtypes[i]; 3290 if (!subtypes.contains(subtype)) { 3291 subtypes.add(subtype); 3292 } else { 3293 Slog.w(TAG, "Duplicated subtype definition found: " 3294 + subtype.getLocale() + ", " + subtype.getMode()); 3295 } 3296 } 3297 mAdditionalSubtypesMap.put(imi.getId(), subtypes); 3298 writeAdditionalInputMethodSubtypes( 3299 mAdditionalSubtypesMap, mAdditionalInputMethodSubtypeFile, mMethodMap); 3300 } 3301 } 3302 3303 public HashMap<String, List<InputMethodSubtype>> getAllAdditionalInputMethodSubtypes() { 3304 synchronized (mMethodMap) { 3305 return mAdditionalSubtypesMap; 3306 } 3307 } 3308 3309 private static void writeAdditionalInputMethodSubtypes( 3310 HashMap<String, List<InputMethodSubtype>> allSubtypes, AtomicFile subtypesFile, 3311 HashMap<String, InputMethodInfo> methodMap) { 3312 // Safety net for the case that this function is called before methodMap is set. 3313 final boolean isSetMethodMap = methodMap != null && methodMap.size() > 0; 3314 FileOutputStream fos = null; 3315 try { 3316 fos = subtypesFile.startWrite(); 3317 final XmlSerializer out = new FastXmlSerializer(); 3318 out.setOutput(fos, "utf-8"); 3319 out.startDocument(null, true); 3320 out.setFeature("http://xmlpull.org/v1/doc/features.html#indent-output", true); 3321 out.startTag(null, NODE_SUBTYPES); 3322 for (String imiId : allSubtypes.keySet()) { 3323 if (isSetMethodMap && !methodMap.containsKey(imiId)) { 3324 Slog.w(TAG, "IME uninstalled or not valid.: " + imiId); 3325 continue; 3326 } 3327 out.startTag(null, NODE_IMI); 3328 out.attribute(null, ATTR_ID, imiId); 3329 final List<InputMethodSubtype> subtypesList = allSubtypes.get(imiId); 3330 final int N = subtypesList.size(); 3331 for (int i = 0; i < N; ++i) { 3332 final InputMethodSubtype subtype = subtypesList.get(i); 3333 out.startTag(null, NODE_SUBTYPE); 3334 out.attribute(null, ATTR_ICON, String.valueOf(subtype.getIconResId())); 3335 out.attribute(null, ATTR_LABEL, String.valueOf(subtype.getNameResId())); 3336 out.attribute(null, ATTR_IME_SUBTYPE_LOCALE, subtype.getLocale()); 3337 out.attribute(null, ATTR_IME_SUBTYPE_MODE, subtype.getMode()); 3338 out.attribute(null, ATTR_IME_SUBTYPE_EXTRA_VALUE, subtype.getExtraValue()); 3339 out.attribute(null, ATTR_IS_AUXILIARY, 3340 String.valueOf(subtype.isAuxiliary() ? 1 : 0)); 3341 out.endTag(null, NODE_SUBTYPE); 3342 } 3343 out.endTag(null, NODE_IMI); 3344 } 3345 out.endTag(null, NODE_SUBTYPES); 3346 out.endDocument(); 3347 subtypesFile.finishWrite(fos); 3348 } catch (java.io.IOException e) { 3349 Slog.w(TAG, "Error writing subtypes", e); 3350 if (fos != null) { 3351 subtypesFile.failWrite(fos); 3352 } 3353 } 3354 } 3355 3356 private static void readAdditionalInputMethodSubtypes( 3357 HashMap<String, List<InputMethodSubtype>> allSubtypes, AtomicFile subtypesFile) { 3358 if (allSubtypes == null || subtypesFile == null) return; 3359 allSubtypes.clear(); 3360 FileInputStream fis = null; 3361 try { 3362 fis = subtypesFile.openRead(); 3363 final XmlPullParser parser = Xml.newPullParser(); 3364 parser.setInput(fis, null); 3365 int type = parser.getEventType(); 3366 // Skip parsing until START_TAG 3367 while ((type = parser.next()) != XmlPullParser.START_TAG 3368 && type != XmlPullParser.END_DOCUMENT) {} 3369 String firstNodeName = parser.getName(); 3370 if (!NODE_SUBTYPES.equals(firstNodeName)) { 3371 throw new XmlPullParserException("Xml doesn't start with subtypes"); 3372 } 3373 final int depth =parser.getDepth(); 3374 String currentImiId = null; 3375 ArrayList<InputMethodSubtype> tempSubtypesArray = null; 3376 while (((type = parser.next()) != XmlPullParser.END_TAG 3377 || parser.getDepth() > depth) && type != XmlPullParser.END_DOCUMENT) { 3378 if (type != XmlPullParser.START_TAG) 3379 continue; 3380 final String nodeName = parser.getName(); 3381 if (NODE_IMI.equals(nodeName)) { 3382 currentImiId = parser.getAttributeValue(null, ATTR_ID); 3383 if (TextUtils.isEmpty(currentImiId)) { 3384 Slog.w(TAG, "Invalid imi id found in subtypes.xml"); 3385 continue; 3386 } 3387 tempSubtypesArray = new ArrayList<InputMethodSubtype>(); 3388 allSubtypes.put(currentImiId, tempSubtypesArray); 3389 } else if (NODE_SUBTYPE.equals(nodeName)) { 3390 if (TextUtils.isEmpty(currentImiId) || tempSubtypesArray == null) { 3391 Slog.w(TAG, "IME uninstalled or not valid.: " + currentImiId); 3392 continue; 3393 } 3394 final int icon = Integer.valueOf( 3395 parser.getAttributeValue(null, ATTR_ICON)); 3396 final int label = Integer.valueOf( 3397 parser.getAttributeValue(null, ATTR_LABEL)); 3398 final String imeSubtypeLocale = 3399 parser.getAttributeValue(null, ATTR_IME_SUBTYPE_LOCALE); 3400 final String imeSubtypeMode = 3401 parser.getAttributeValue(null, ATTR_IME_SUBTYPE_MODE); 3402 final String imeSubtypeExtraValue = 3403 parser.getAttributeValue(null, ATTR_IME_SUBTYPE_EXTRA_VALUE); 3404 final boolean isAuxiliary = "1".equals(String.valueOf( 3405 parser.getAttributeValue(null, ATTR_IS_AUXILIARY))); 3406 final InputMethodSubtype subtype = 3407 new InputMethodSubtype(label, icon, imeSubtypeLocale, 3408 imeSubtypeMode, imeSubtypeExtraValue, isAuxiliary); 3409 tempSubtypesArray.add(subtype); 3410 } 3411 } 3412 } catch (XmlPullParserException e) { 3413 Slog.w(TAG, "Error reading subtypes: " + e); 3414 return; 3415 } catch (java.io.IOException e) { 3416 Slog.w(TAG, "Error reading subtypes: " + e); 3417 return; 3418 } catch (NumberFormatException e) { 3419 Slog.w(TAG, "Error reading subtypes: " + e); 3420 return; 3421 } finally { 3422 if (fis != null) { 3423 try { 3424 fis.close(); 3425 } catch (java.io.IOException e1) { 3426 Slog.w(TAG, "Failed to close."); 3427 } 3428 } 3429 } 3430 } 3431 } 3432 3433 @Override 3434 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 3435 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 3436 != PackageManager.PERMISSION_GRANTED) { 3437 3438 pw.println("Permission Denial: can't dump InputMethodManager from from pid=" 3439 + Binder.getCallingPid() 3440 + ", uid=" + Binder.getCallingUid()); 3441 return; 3442 } 3443 3444 IInputMethod method; 3445 ClientState client; 3446 3447 final Printer p = new PrintWriterPrinter(pw); 3448 3449 synchronized (mMethodMap) { 3450 p.println("Current Input Method Manager state:"); 3451 int N = mMethodList.size(); 3452 p.println(" Input Methods:"); 3453 for (int i=0; i<N; i++) { 3454 InputMethodInfo info = mMethodList.get(i); 3455 p.println(" InputMethod #" + i + ":"); 3456 info.dump(p, " "); 3457 } 3458 p.println(" Clients:"); 3459 for (ClientState ci : mClients.values()) { 3460 p.println(" Client " + ci + ":"); 3461 p.println(" client=" + ci.client); 3462 p.println(" inputContext=" + ci.inputContext); 3463 p.println(" sessionRequested=" + ci.sessionRequested); 3464 p.println(" curSession=" + ci.curSession); 3465 } 3466 p.println(" mCurMethodId=" + mCurMethodId); 3467 client = mCurClient; 3468 p.println(" mCurClient=" + client + " mCurSeq=" + mCurSeq); 3469 p.println(" mCurFocusedWindow=" + mCurFocusedWindow); 3470 p.println(" mCurId=" + mCurId + " mHaveConnect=" + mHaveConnection 3471 + " mBoundToMethod=" + mBoundToMethod); 3472 p.println(" mCurToken=" + mCurToken); 3473 p.println(" mCurIntent=" + mCurIntent); 3474 method = mCurMethod; 3475 p.println(" mCurMethod=" + mCurMethod); 3476 p.println(" mEnabledSession=" + mEnabledSession); 3477 p.println(" mShowRequested=" + mShowRequested 3478 + " mShowExplicitlyRequested=" + mShowExplicitlyRequested 3479 + " mShowForced=" + mShowForced 3480 + " mInputShown=" + mInputShown); 3481 p.println(" mSystemReady=" + mSystemReady + " mInteractive=" + mScreenOn); 3482 } 3483 3484 p.println(" "); 3485 if (client != null) { 3486 pw.flush(); 3487 try { 3488 client.client.asBinder().dump(fd, args); 3489 } catch (RemoteException e) { 3490 p.println("Input method client dead: " + e); 3491 } 3492 } else { 3493 p.println("No input method client."); 3494 } 3495 3496 p.println(" "); 3497 if (method != null) { 3498 pw.flush(); 3499 try { 3500 method.asBinder().dump(fd, args); 3501 } catch (RemoteException e) { 3502 p.println("Input method service dead: " + e); 3503 } 3504 } else { 3505 p.println("No input method service."); 3506 } 3507 } 3508} 3509