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 android.annotation.NonNull; 19import android.content.pm.PackageManagerInternal; 20import com.android.internal.content.PackageMonitor; 21import com.android.internal.inputmethod.InputMethodSubtypeSwitchingController; 22import com.android.internal.inputmethod.InputMethodSubtypeSwitchingController.ImeSubtypeListItem; 23import com.android.internal.inputmethod.InputMethodUtils; 24import com.android.internal.inputmethod.InputMethodUtils.InputMethodSettings; 25import com.android.internal.os.HandlerCaller; 26import com.android.internal.os.SomeArgs; 27import com.android.internal.util.FastXmlSerializer; 28import com.android.internal.view.IInputContext; 29import com.android.internal.view.IInputMethod; 30import com.android.internal.view.IInputSessionCallback; 31import com.android.internal.view.IInputMethodClient; 32import com.android.internal.view.IInputMethodManager; 33import com.android.internal.view.IInputMethodSession; 34import com.android.internal.view.InputBindResult; 35import com.android.server.pm.UserManagerService; 36import com.android.server.statusbar.StatusBarManagerService; 37import com.android.server.wm.WindowManagerService; 38 39import org.xmlpull.v1.XmlPullParser; 40import org.xmlpull.v1.XmlPullParserException; 41import org.xmlpull.v1.XmlSerializer; 42 43import android.app.ActivityManagerNative; 44import android.app.AppGlobals; 45import android.app.AlertDialog; 46import android.app.AppOpsManager; 47import android.app.IUserSwitchObserver; 48import android.app.KeyguardManager; 49import android.app.Notification; 50import android.app.NotificationManager; 51import android.app.PendingIntent; 52import android.content.BroadcastReceiver; 53import android.content.ComponentName; 54import android.content.ContentResolver; 55import android.content.Context; 56import android.content.DialogInterface; 57import android.content.DialogInterface.OnCancelListener; 58import android.content.DialogInterface.OnClickListener; 59import android.content.Intent; 60import android.content.IntentFilter; 61import android.content.ServiceConnection; 62import android.content.pm.ApplicationInfo; 63import android.content.pm.IPackageManager; 64import android.content.pm.PackageManager; 65import android.content.pm.ResolveInfo; 66import android.content.pm.ServiceInfo; 67import android.content.pm.UserInfo; 68import android.content.res.Configuration; 69import android.content.res.Resources; 70import android.content.res.TypedArray; 71import android.database.ContentObserver; 72import android.graphics.drawable.Drawable; 73import android.inputmethodservice.InputMethodService; 74import android.net.Uri; 75import android.os.Binder; 76import android.os.Bundle; 77import android.os.Environment; 78import android.os.Handler; 79import android.os.IBinder; 80import android.os.IInterface; 81import android.os.IRemoteCallback; 82import android.os.Message; 83import android.os.Process; 84import android.os.Parcel; 85import android.os.RemoteException; 86import android.os.ResultReceiver; 87import android.os.ServiceManager; 88import android.os.SystemClock; 89import android.os.UserHandle; 90import android.os.UserManager; 91import android.provider.Settings; 92import android.text.TextUtils; 93import android.text.TextUtils.SimpleStringSplitter; 94import android.text.style.SuggestionSpan; 95import android.util.ArrayMap; 96import android.util.ArraySet; 97import android.util.AtomicFile; 98import android.util.EventLog; 99import android.util.LruCache; 100import android.util.Pair; 101import android.util.PrintWriterPrinter; 102import android.util.Printer; 103import android.util.Slog; 104import android.util.Xml; 105import android.view.ContextThemeWrapper; 106import android.view.IWindowManager; 107import android.view.InputChannel; 108import android.view.LayoutInflater; 109import android.view.View; 110import android.view.ViewGroup; 111import android.view.WindowManager; 112import android.view.inputmethod.EditorInfo; 113import android.view.inputmethod.InputBinding; 114import android.view.inputmethod.InputMethod; 115import android.view.inputmethod.InputMethodInfo; 116import android.view.inputmethod.InputMethodManager; 117import android.view.inputmethod.InputMethodManagerInternal; 118import android.view.inputmethod.InputMethodSubtype; 119import android.view.inputmethod.InputMethodSubtype.InputMethodSubtypeBuilder; 120import android.widget.ArrayAdapter; 121import android.widget.CompoundButton; 122import android.widget.CompoundButton.OnCheckedChangeListener; 123import android.widget.RadioButton; 124import android.widget.Switch; 125import android.widget.TextView; 126 127import java.io.File; 128import java.io.FileDescriptor; 129import java.io.FileInputStream; 130import java.io.FileOutputStream; 131import java.io.IOException; 132import java.io.PrintWriter; 133import java.nio.charset.StandardCharsets; 134import java.util.ArrayList; 135import java.util.Collections; 136import java.util.HashMap; 137import java.util.HashSet; 138import java.util.List; 139import java.util.Locale; 140 141/** 142 * This class provides a system service that manages input methods. 143 */ 144public class InputMethodManagerService extends IInputMethodManager.Stub 145 implements ServiceConnection, Handler.Callback { 146 static final boolean DEBUG = false; 147 static final boolean DEBUG_RESTORE = DEBUG || false; 148 static final String TAG = "InputMethodManagerService"; 149 150 private static final char INPUT_METHOD_SEPARATOR = ':'; 151 private static final char INPUT_METHOD_SUBTYPE_SEPARATOR = ';'; 152 153 static final int MSG_SHOW_IM_SUBTYPE_PICKER = 1; 154 static final int MSG_SHOW_IM_SUBTYPE_ENABLER = 2; 155 static final int MSG_SHOW_IM_CONFIG = 3; 156 157 static final int MSG_UNBIND_INPUT = 1000; 158 static final int MSG_BIND_INPUT = 1010; 159 static final int MSG_SHOW_SOFT_INPUT = 1020; 160 static final int MSG_HIDE_SOFT_INPUT = 1030; 161 static final int MSG_ATTACH_TOKEN = 1040; 162 static final int MSG_CREATE_SESSION = 1050; 163 164 static final int MSG_START_INPUT = 2000; 165 static final int MSG_RESTART_INPUT = 2010; 166 167 static final int MSG_UNBIND_METHOD = 3000; 168 static final int MSG_BIND_METHOD = 3010; 169 static final int MSG_SET_ACTIVE = 3020; 170 static final int MSG_SET_INTERACTIVE = 3030; 171 static final int MSG_SET_USER_ACTION_NOTIFICATION_SEQUENCE_NUMBER = 3040; 172 173 static final int MSG_HARD_KEYBOARD_SWITCH_CHANGED = 4000; 174 175 static final long TIME_TO_RECONNECT = 3 * 1000; 176 177 static final int SECURE_SUGGESTION_SPANS_MAX_SIZE = 20; 178 179 private static final int NOT_A_SUBTYPE_ID = InputMethodUtils.NOT_A_SUBTYPE_ID; 180 private static final String TAG_TRY_SUPPRESSING_IME_SWITCHER = "TrySuppressingImeSwitcher"; 181 182 183 final Context mContext; 184 final Resources mRes; 185 final Handler mHandler; 186 final InputMethodSettings mSettings; 187 final SettingsObserver mSettingsObserver; 188 final IWindowManager mIWindowManager; 189 final HandlerCaller mCaller; 190 final boolean mHasFeature; 191 private InputMethodFileManager mFileManager; 192 private final HardKeyboardListener mHardKeyboardListener; 193 private final WindowManagerService mWindowManagerService; 194 private final AppOpsManager mAppOpsManager; 195 196 final InputBindResult mNoBinding = new InputBindResult(null, null, null, -1, -1); 197 198 // All known input methods. mMethodMap also serves as the global 199 // lock for this class. 200 final ArrayList<InputMethodInfo> mMethodList = new ArrayList<InputMethodInfo>(); 201 final HashMap<String, InputMethodInfo> mMethodMap = new HashMap<String, InputMethodInfo>(); 202 private final LruCache<SuggestionSpan, InputMethodInfo> mSecureSuggestionSpans = 203 new LruCache<SuggestionSpan, InputMethodInfo>(SECURE_SUGGESTION_SPANS_MAX_SIZE); 204 private final InputMethodSubtypeSwitchingController mSwitchingController; 205 206 // Used to bring IME service up to visible adjustment while it is being shown. 207 final ServiceConnection mVisibleConnection = new ServiceConnection() { 208 @Override public void onServiceConnected(ComponentName name, IBinder service) { 209 } 210 211 @Override public void onServiceDisconnected(ComponentName name) { 212 } 213 }; 214 boolean mVisibleBound = false; 215 216 // Ongoing notification 217 private NotificationManager mNotificationManager; 218 private KeyguardManager mKeyguardManager; 219 private StatusBarManagerService mStatusBar; 220 private Notification.Builder mImeSwitcherNotification; 221 private PendingIntent mImeSwitchPendingIntent; 222 private boolean mShowOngoingImeSwitcherForPhones; 223 private boolean mNotificationShown; 224 private final boolean mImeSelectedOnBoot; 225 226 static class SessionState { 227 final ClientState client; 228 final IInputMethod method; 229 230 IInputMethodSession session; 231 InputChannel channel; 232 233 @Override 234 public String toString() { 235 return "SessionState{uid " + client.uid + " pid " + client.pid 236 + " method " + Integer.toHexString( 237 System.identityHashCode(method)) 238 + " session " + Integer.toHexString( 239 System.identityHashCode(session)) 240 + " channel " + channel 241 + "}"; 242 } 243 244 SessionState(ClientState _client, IInputMethod _method, 245 IInputMethodSession _session, InputChannel _channel) { 246 client = _client; 247 method = _method; 248 session = _session; 249 channel = _channel; 250 } 251 } 252 253 static final class ClientState { 254 final IInputMethodClient client; 255 final IInputContext inputContext; 256 final int uid; 257 final int pid; 258 final InputBinding binding; 259 260 boolean sessionRequested; 261 SessionState curSession; 262 263 @Override 264 public String toString() { 265 return "ClientState{" + Integer.toHexString( 266 System.identityHashCode(this)) + " uid " + uid 267 + " pid " + pid + "}"; 268 } 269 270 ClientState(IInputMethodClient _client, IInputContext _inputContext, 271 int _uid, int _pid) { 272 client = _client; 273 inputContext = _inputContext; 274 uid = _uid; 275 pid = _pid; 276 binding = new InputBinding(null, inputContext.asBinder(), uid, pid); 277 } 278 } 279 280 final HashMap<IBinder, ClientState> mClients 281 = new HashMap<IBinder, ClientState>(); 282 283 /** 284 * Set once the system is ready to run third party code. 285 */ 286 boolean mSystemReady; 287 288 /** 289 * Id of the currently selected input method. 290 */ 291 String mCurMethodId; 292 293 /** 294 * The current binding sequence number, incremented every time there is 295 * a new bind performed. 296 */ 297 int mCurSeq; 298 299 /** 300 * The client that is currently bound to an input method. 301 */ 302 ClientState mCurClient; 303 304 /** 305 * The last window token that gained focus. 306 */ 307 IBinder mCurFocusedWindow; 308 309 /** 310 * The input context last provided by the current client. 311 */ 312 IInputContext mCurInputContext; 313 314 /** 315 * The attributes last provided by the current client. 316 */ 317 EditorInfo mCurAttribute; 318 319 /** 320 * The input method ID of the input method service that we are currently 321 * connected to or in the process of connecting to. 322 */ 323 String mCurId; 324 325 /** 326 * The current subtype of the current input method. 327 */ 328 private InputMethodSubtype mCurrentSubtype; 329 330 // This list contains the pairs of InputMethodInfo and InputMethodSubtype. 331 private final HashMap<InputMethodInfo, ArrayList<InputMethodSubtype>> 332 mShortcutInputMethodsAndSubtypes = 333 new HashMap<InputMethodInfo, ArrayList<InputMethodSubtype>>(); 334 335 // Was the keyguard locked when this client became current? 336 private boolean mCurClientInKeyguard; 337 338 /** 339 * Set to true if our ServiceConnection is currently actively bound to 340 * a service (whether or not we have gotten its IBinder back yet). 341 */ 342 boolean mHaveConnection; 343 344 /** 345 * Set if the client has asked for the input method to be shown. 346 */ 347 boolean mShowRequested; 348 349 /** 350 * Set if we were explicitly told to show the input method. 351 */ 352 boolean mShowExplicitlyRequested; 353 354 /** 355 * Set if we were forced to be shown. 356 */ 357 boolean mShowForced; 358 359 /** 360 * Set if we last told the input method to show itself. 361 */ 362 boolean mInputShown; 363 364 /** 365 * The Intent used to connect to the current input method. 366 */ 367 Intent mCurIntent; 368 369 /** 370 * The token we have made for the currently active input method, to 371 * identify it in the future. 372 */ 373 IBinder mCurToken; 374 375 /** 376 * If non-null, this is the input method service we are currently connected 377 * to. 378 */ 379 IInputMethod mCurMethod; 380 381 /** 382 * Time that we last initiated a bind to the input method, to determine 383 * if we should try to disconnect and reconnect to it. 384 */ 385 long mLastBindTime; 386 387 /** 388 * Have we called mCurMethod.bindInput()? 389 */ 390 boolean mBoundToMethod; 391 392 /** 393 * Currently enabled session. Only touched by service thread, not 394 * protected by a lock. 395 */ 396 SessionState mEnabledSession; 397 398 /** 399 * True if the device is currently interactive with user. The value is true initially. 400 */ 401 boolean mIsInteractive = true; 402 403 int mCurUserActionNotificationSequenceNumber = 0; 404 405 int mBackDisposition = InputMethodService.BACK_DISPOSITION_DEFAULT; 406 407 /** 408 * A set of status bits regarding the active IME. 409 * 410 * <p>This value is a combination of following two bits:</p> 411 * <dl> 412 * <dt>{@link InputMethodService#IME_ACTIVE}</dt> 413 * <dd> 414 * If this bit is ON, connected IME is ready to accept touch/key events. 415 * </dd> 416 * <dt>{@link InputMethodService#IME_VISIBLE}</dt> 417 * <dd> 418 * If this bit is ON, some of IME view, e.g. software input, candidate view, is visible. 419 * </dd> 420 * </dl> 421 * <em>Do not update this value outside of setImeWindowStatus.</em> 422 */ 423 int mImeWindowVis; 424 425 private AlertDialog.Builder mDialogBuilder; 426 private AlertDialog mSwitchingDialog; 427 private View mSwitchingDialogTitleView; 428 private InputMethodInfo[] mIms; 429 private int[] mSubtypeIds; 430 private Locale mLastSystemLocale; 431 private boolean mShowImeWithHardKeyboard; 432 private final MyPackageMonitor mMyPackageMonitor = new MyPackageMonitor(); 433 private final IPackageManager mIPackageManager; 434 435 class SettingsObserver extends ContentObserver { 436 int mUserId; 437 boolean mRegistered = false; 438 String mLastEnabled = ""; 439 440 /** 441 * <em>This constructor must be called within the lock.</em> 442 */ 443 SettingsObserver(Handler handler) { 444 super(handler); 445 } 446 447 public void registerContentObserverLocked(int userId) { 448 if (mRegistered && mUserId == userId) { 449 return; 450 } 451 ContentResolver resolver = mContext.getContentResolver(); 452 if (mRegistered) { 453 mContext.getContentResolver().unregisterContentObserver(this); 454 mRegistered = false; 455 } 456 if (mUserId != userId) { 457 mLastEnabled = ""; 458 mUserId = userId; 459 } 460 resolver.registerContentObserver(Settings.Secure.getUriFor( 461 Settings.Secure.DEFAULT_INPUT_METHOD), false, this, userId); 462 resolver.registerContentObserver(Settings.Secure.getUriFor( 463 Settings.Secure.ENABLED_INPUT_METHODS), false, this, userId); 464 resolver.registerContentObserver(Settings.Secure.getUriFor( 465 Settings.Secure.SELECTED_INPUT_METHOD_SUBTYPE), false, this, userId); 466 resolver.registerContentObserver(Settings.Secure.getUriFor( 467 Settings.Secure.SHOW_IME_WITH_HARD_KEYBOARD), false, this, userId); 468 mRegistered = true; 469 } 470 471 @Override public void onChange(boolean selfChange, Uri uri) { 472 final Uri showImeUri = 473 Settings.Secure.getUriFor(Settings.Secure.SHOW_IME_WITH_HARD_KEYBOARD); 474 synchronized (mMethodMap) { 475 if (showImeUri.equals(uri)) { 476 updateKeyboardFromSettingsLocked(); 477 } else { 478 boolean enabledChanged = false; 479 String newEnabled = mSettings.getEnabledInputMethodsStr(); 480 if (!mLastEnabled.equals(newEnabled)) { 481 mLastEnabled = newEnabled; 482 enabledChanged = true; 483 } 484 updateInputMethodsFromSettingsLocked(enabledChanged); 485 } 486 } 487 } 488 489 @Override 490 public String toString() { 491 return "SettingsObserver{mUserId=" + mUserId + " mRegistered=" + mRegistered 492 + " mLastEnabled=" + mLastEnabled + "}"; 493 } 494 } 495 496 class ImmsBroadcastReceiver extends android.content.BroadcastReceiver { 497 @Override 498 public void onReceive(Context context, Intent intent) { 499 final String action = intent.getAction(); 500 if (Intent.ACTION_CLOSE_SYSTEM_DIALOGS.equals(action)) { 501 hideInputMethodMenu(); 502 // No need to update mIsInteractive 503 return; 504 } else if (Intent.ACTION_USER_ADDED.equals(action) 505 || Intent.ACTION_USER_REMOVED.equals(action)) { 506 updateCurrentProfileIds(); 507 return; 508 } else if (Intent.ACTION_SETTING_RESTORED.equals(action)) { 509 final String name = intent.getStringExtra(Intent.EXTRA_SETTING_NAME); 510 if (Settings.Secure.ENABLED_INPUT_METHODS.equals(name)) { 511 final String prevValue = intent.getStringExtra( 512 Intent.EXTRA_SETTING_PREVIOUS_VALUE); 513 final String newValue = intent.getStringExtra( 514 Intent.EXTRA_SETTING_NEW_VALUE); 515 restoreEnabledInputMethods(mContext, prevValue, newValue); 516 } 517 } else { 518 Slog.w(TAG, "Unexpected intent " + intent); 519 } 520 } 521 } 522 523 // Apply the results of a restore operation to the set of enabled IMEs. Note that this 524 // does not attempt to validate on the fly with any installed device policy, so must only 525 // be run in the context of initial device setup. 526 // 527 // TODO: Move this method to InputMethodUtils with adding unit tests. 528 static void restoreEnabledInputMethods(Context context, String prevValue, String newValue) { 529 if (DEBUG_RESTORE) { 530 Slog.i(TAG, "Restoring enabled input methods:"); 531 Slog.i(TAG, "prev=" + prevValue); 532 Slog.i(TAG, " new=" + newValue); 533 } 534 // 'new' is the just-restored state, 'prev' is what was in settings prior to the restore 535 ArrayMap<String, ArraySet<String>> prevMap = parseInputMethodsAndSubtypesString(prevValue); 536 ArrayMap<String, ArraySet<String>> newMap = parseInputMethodsAndSubtypesString(newValue); 537 538 // Merge the restored ime+subtype enabled states into the live state 539 for (ArrayMap.Entry<String, ArraySet<String>> entry : newMap.entrySet()) { 540 final String imeId = entry.getKey(); 541 ArraySet<String> prevSubtypes = prevMap.get(imeId); 542 if (prevSubtypes == null) { 543 prevSubtypes = new ArraySet<String>(2); 544 prevMap.put(imeId, prevSubtypes); 545 } 546 prevSubtypes.addAll(entry.getValue()); 547 } 548 549 final String mergedImesAndSubtypesString = buildInputMethodsAndSubtypesString(prevMap); 550 if (DEBUG_RESTORE) { 551 Slog.i(TAG, "Merged IME string:"); 552 Slog.i(TAG, " " + mergedImesAndSubtypesString); 553 } 554 Settings.Secure.putString(context.getContentResolver(), 555 Settings.Secure.ENABLED_INPUT_METHODS, mergedImesAndSubtypesString); 556 } 557 558 // TODO: Move this method to InputMethodUtils with adding unit tests. 559 static String buildInputMethodsAndSubtypesString(ArrayMap<String, ArraySet<String>> map) { 560 // we want to use the canonical InputMethodSettings implementation, 561 // so we convert data structures first. 562 List<Pair<String, ArrayList<String>>> imeMap = 563 new ArrayList<Pair<String, ArrayList<String>>>(4); 564 for (ArrayMap.Entry<String, ArraySet<String>> entry : map.entrySet()) { 565 final String imeName = entry.getKey(); 566 final ArraySet<String> subtypeSet = entry.getValue(); 567 final ArrayList<String> subtypes = new ArrayList<String>(2); 568 if (subtypeSet != null) { 569 subtypes.addAll(subtypeSet); 570 } 571 imeMap.add(new Pair<String, ArrayList<String>>(imeName, subtypes)); 572 } 573 return InputMethodSettings.buildInputMethodsSettingString(imeMap); 574 } 575 576 // TODO: Move this method to InputMethodUtils with adding unit tests. 577 static ArrayMap<String, ArraySet<String>> parseInputMethodsAndSubtypesString( 578 final String inputMethodsAndSubtypesString) { 579 final ArrayMap<String, ArraySet<String>> imeMap = 580 new ArrayMap<String, ArraySet<String>>(); 581 if (TextUtils.isEmpty(inputMethodsAndSubtypesString)) { 582 return imeMap; 583 } 584 585 final SimpleStringSplitter typeSplitter = 586 new SimpleStringSplitter(INPUT_METHOD_SEPARATOR); 587 final SimpleStringSplitter subtypeSplitter = 588 new SimpleStringSplitter(INPUT_METHOD_SUBTYPE_SEPARATOR); 589 List<Pair<String, ArrayList<String>>> allImeSettings = 590 InputMethodSettings.buildInputMethodsAndSubtypeList(inputMethodsAndSubtypesString, 591 typeSplitter, 592 subtypeSplitter); 593 for (Pair<String, ArrayList<String>> ime : allImeSettings) { 594 ArraySet<String> subtypes = new ArraySet<String>(); 595 if (ime.second != null) { 596 subtypes.addAll(ime.second); 597 } 598 imeMap.put(ime.first, subtypes); 599 } 600 return imeMap; 601 } 602 603 class MyPackageMonitor extends PackageMonitor { 604 private boolean isChangingPackagesOfCurrentUser() { 605 final int userId = getChangingUserId(); 606 final boolean retval = userId == mSettings.getCurrentUserId(); 607 if (DEBUG) { 608 if (!retval) { 609 Slog.d(TAG, "--- ignore this call back from a background user: " + userId); 610 } 611 } 612 return retval; 613 } 614 615 @Override 616 public boolean onHandleForceStop(Intent intent, String[] packages, int uid, boolean doit) { 617 if (!isChangingPackagesOfCurrentUser()) { 618 return false; 619 } 620 synchronized (mMethodMap) { 621 String curInputMethodId = mSettings.getSelectedInputMethod(); 622 final int N = mMethodList.size(); 623 if (curInputMethodId != null) { 624 for (int i=0; i<N; i++) { 625 InputMethodInfo imi = mMethodList.get(i); 626 if (imi.getId().equals(curInputMethodId)) { 627 for (String pkg : packages) { 628 if (imi.getPackageName().equals(pkg)) { 629 if (!doit) { 630 return true; 631 } 632 resetSelectedInputMethodAndSubtypeLocked(""); 633 chooseNewDefaultIMELocked(); 634 return true; 635 } 636 } 637 } 638 } 639 } 640 } 641 return false; 642 } 643 644 @Override 645 public void onSomePackagesChanged() { 646 if (!isChangingPackagesOfCurrentUser()) { 647 return; 648 } 649 synchronized (mMethodMap) { 650 InputMethodInfo curIm = null; 651 String curInputMethodId = mSettings.getSelectedInputMethod(); 652 final int N = mMethodList.size(); 653 if (curInputMethodId != null) { 654 for (int i=0; i<N; i++) { 655 InputMethodInfo imi = mMethodList.get(i); 656 final String imiId = imi.getId(); 657 if (imiId.equals(curInputMethodId)) { 658 curIm = imi; 659 } 660 661 int change = isPackageDisappearing(imi.getPackageName()); 662 if (isPackageModified(imi.getPackageName())) { 663 mFileManager.deleteAllInputMethodSubtypes(imiId); 664 } 665 if (change == PACKAGE_TEMPORARY_CHANGE 666 || change == PACKAGE_PERMANENT_CHANGE) { 667 Slog.i(TAG, "Input method uninstalled, disabling: " 668 + imi.getComponent()); 669 setInputMethodEnabledLocked(imi.getId(), false); 670 } 671 } 672 } 673 674 buildInputMethodListLocked( 675 mMethodList, mMethodMap, false /* resetDefaultEnabledIme */); 676 677 boolean changed = false; 678 679 if (curIm != null) { 680 int change = isPackageDisappearing(curIm.getPackageName()); 681 if (change == PACKAGE_TEMPORARY_CHANGE 682 || change == PACKAGE_PERMANENT_CHANGE) { 683 ServiceInfo si = null; 684 try { 685 si = mIPackageManager.getServiceInfo( 686 curIm.getComponent(), 0, mSettings.getCurrentUserId()); 687 } catch (RemoteException ex) { 688 } 689 if (si == null) { 690 // Uh oh, current input method is no longer around! 691 // Pick another one... 692 Slog.i(TAG, "Current input method removed: " + curInputMethodId); 693 updateSystemUiLocked(mCurToken, 0 /* vis */, mBackDisposition); 694 if (!chooseNewDefaultIMELocked()) { 695 changed = true; 696 curIm = null; 697 Slog.i(TAG, "Unsetting current input method"); 698 resetSelectedInputMethodAndSubtypeLocked(""); 699 } 700 } 701 } 702 } 703 704 if (curIm == null) { 705 // We currently don't have a default input method... is 706 // one now available? 707 changed = chooseNewDefaultIMELocked(); 708 } else if (!changed && isPackageModified(curIm.getPackageName())) { 709 // Even if the current input method is still available, mCurrentSubtype could 710 // be obsolete when the package is modified in practice. 711 changed = true; 712 } 713 714 if (changed) { 715 updateFromSettingsLocked(false); 716 } 717 } 718 } 719 } 720 721 private static final class MethodCallback extends IInputSessionCallback.Stub { 722 private final InputMethodManagerService mParentIMMS; 723 private final IInputMethod mMethod; 724 private final InputChannel mChannel; 725 726 MethodCallback(InputMethodManagerService imms, IInputMethod method, 727 InputChannel channel) { 728 mParentIMMS = imms; 729 mMethod = method; 730 mChannel = channel; 731 } 732 733 @Override 734 public void sessionCreated(IInputMethodSession session) { 735 long ident = Binder.clearCallingIdentity(); 736 try { 737 mParentIMMS.onSessionCreated(mMethod, session, mChannel); 738 } finally { 739 Binder.restoreCallingIdentity(ident); 740 } 741 } 742 } 743 744 private class HardKeyboardListener 745 implements WindowManagerService.OnHardKeyboardStatusChangeListener { 746 @Override 747 public void onHardKeyboardStatusChange(boolean available) { 748 mHandler.sendMessage(mHandler.obtainMessage(MSG_HARD_KEYBOARD_SWITCH_CHANGED, 749 available ? 1 : 0)); 750 } 751 752 public void handleHardKeyboardStatusChange(boolean available) { 753 if (DEBUG) { 754 Slog.w(TAG, "HardKeyboardStatusChanged: available=" + available); 755 } 756 synchronized(mMethodMap) { 757 if (mSwitchingDialog != null && mSwitchingDialogTitleView != null 758 && mSwitchingDialog.isShowing()) { 759 mSwitchingDialogTitleView.findViewById( 760 com.android.internal.R.id.hard_keyboard_section).setVisibility( 761 available ? View.VISIBLE : View.GONE); 762 } 763 } 764 } 765 } 766 767 public InputMethodManagerService(Context context, WindowManagerService windowManager) { 768 mIPackageManager = AppGlobals.getPackageManager(); 769 mContext = context; 770 mRes = context.getResources(); 771 mHandler = new Handler(this); 772 // Note: SettingsObserver doesn't register observers in its constructor. 773 mSettingsObserver = new SettingsObserver(mHandler); 774 mIWindowManager = IWindowManager.Stub.asInterface( 775 ServiceManager.getService(Context.WINDOW_SERVICE)); 776 mCaller = new HandlerCaller(context, null, new HandlerCaller.Callback() { 777 @Override 778 public void executeMessage(Message msg) { 779 handleMessage(msg); 780 } 781 }, true /*asyncHandler*/); 782 mWindowManagerService = windowManager; 783 mAppOpsManager = (AppOpsManager) mContext.getSystemService(Context.APP_OPS_SERVICE); 784 mHardKeyboardListener = new HardKeyboardListener(); 785 mHasFeature = context.getPackageManager().hasSystemFeature( 786 PackageManager.FEATURE_INPUT_METHODS); 787 788 Bundle extras = new Bundle(); 789 extras.putBoolean(Notification.EXTRA_ALLOW_DURING_SETUP, true); 790 mImeSwitcherNotification = new Notification.Builder(mContext) 791 .setSmallIcon(com.android.internal.R.drawable.ic_notification_ime_default) 792 .setWhen(0) 793 .setOngoing(true) 794 .addExtras(extras) 795 .setCategory(Notification.CATEGORY_SYSTEM) 796 .setColor(com.android.internal.R.color.system_notification_accent_color); 797 798 Intent intent = new Intent(Settings.ACTION_SHOW_INPUT_METHOD_PICKER); 799 mImeSwitchPendingIntent = PendingIntent.getBroadcast(mContext, 0, intent, 0); 800 801 mShowOngoingImeSwitcherForPhones = false; 802 803 final IntentFilter broadcastFilter = new IntentFilter(); 804 broadcastFilter.addAction(Intent.ACTION_CLOSE_SYSTEM_DIALOGS); 805 broadcastFilter.addAction(Intent.ACTION_USER_ADDED); 806 broadcastFilter.addAction(Intent.ACTION_USER_REMOVED); 807 broadcastFilter.addAction(Intent.ACTION_SETTING_RESTORED); 808 mContext.registerReceiver(new ImmsBroadcastReceiver(), broadcastFilter); 809 810 mNotificationShown = false; 811 int userId = 0; 812 try { 813 ActivityManagerNative.getDefault().registerUserSwitchObserver( 814 new IUserSwitchObserver.Stub() { 815 @Override 816 public void onUserSwitching(int newUserId, IRemoteCallback reply) { 817 synchronized(mMethodMap) { 818 switchUserLocked(newUserId); 819 } 820 if (reply != null) { 821 try { 822 reply.sendResult(null); 823 } catch (RemoteException e) { 824 } 825 } 826 } 827 828 @Override 829 public void onUserSwitchComplete(int newUserId) throws RemoteException { 830 } 831 832 @Override 833 public void onForegroundProfileSwitch(int newProfileId) { 834 // Ignore. 835 } 836 }); 837 userId = ActivityManagerNative.getDefault().getCurrentUser().id; 838 } catch (RemoteException e) { 839 Slog.w(TAG, "Couldn't get current user ID; guessing it's 0", e); 840 } 841 mMyPackageMonitor.register(mContext, null, UserHandle.ALL, true); 842 843 // mSettings should be created before buildInputMethodListLocked 844 mSettings = new InputMethodSettings( 845 mRes, context.getContentResolver(), mMethodMap, mMethodList, userId); 846 847 // Let the package manager query which are the default imes 848 // as they get certain permissions granted by default. 849 PackageManagerInternal packageManagerInternal = LocalServices.getService( 850 PackageManagerInternal.class); 851 packageManagerInternal.setImePackagesProvider( 852 new PackageManagerInternal.PackagesProvider() { 853 @Override 854 public String[] getPackages(int userId) { 855 synchronized (mMethodMap) { 856 final int currentUserId = mSettings.getCurrentUserId(); 857 // TODO: We are switching the current user id in the settings 858 // object to query it and then revert the user id. Ideally, we 859 // should call a API in settings with the user id as an argument. 860 mSettings.setCurrentUserId(userId); 861 List<InputMethodInfo> imes = mSettings 862 .getEnabledInputMethodListLocked(); 863 String[] packageNames = null; 864 if (imes != null) { 865 final int imeCount = imes.size(); 866 packageNames = new String[imeCount]; 867 for (int i = 0; i < imeCount; i++) { 868 InputMethodInfo ime = imes.get(i); 869 packageNames[i] = ime.getPackageName(); 870 } 871 } 872 mSettings.setCurrentUserId(currentUserId); 873 return packageNames; 874 } 875 } 876 }); 877 878 updateCurrentProfileIds(); 879 mFileManager = new InputMethodFileManager(mMethodMap, userId); 880 synchronized (mMethodMap) { 881 mSwitchingController = InputMethodSubtypeSwitchingController.createInstanceLocked( 882 mSettings, context); 883 } 884 885 // Just checking if defaultImiId is empty or not 886 final String defaultImiId = mSettings.getSelectedInputMethod(); 887 if (DEBUG) { 888 Slog.d(TAG, "Initial default ime = " + defaultImiId); 889 } 890 mImeSelectedOnBoot = !TextUtils.isEmpty(defaultImiId); 891 892 synchronized (mMethodMap) { 893 buildInputMethodListLocked(mMethodList, mMethodMap, 894 !mImeSelectedOnBoot /* resetDefaultEnabledIme */); 895 } 896 mSettings.enableAllIMEsIfThereIsNoEnabledIME(); 897 898 if (!mImeSelectedOnBoot) { 899 Slog.w(TAG, "No IME selected. Choose the most applicable IME."); 900 synchronized (mMethodMap) { 901 resetDefaultImeLocked(context); 902 } 903 } 904 905 synchronized (mMethodMap) { 906 mSettingsObserver.registerContentObserverLocked(userId); 907 updateFromSettingsLocked(true); 908 } 909 910 // IMMS wants to receive Intent.ACTION_LOCALE_CHANGED in order to update the current IME 911 // according to the new system locale. 912 final IntentFilter filter = new IntentFilter(); 913 filter.addAction(Intent.ACTION_LOCALE_CHANGED); 914 mContext.registerReceiver( 915 new BroadcastReceiver() { 916 @Override 917 public void onReceive(Context context, Intent intent) { 918 synchronized(mMethodMap) { 919 resetStateIfCurrentLocaleChangedLocked(); 920 } 921 } 922 }, filter); 923 LocalServices.addService(InputMethodManagerInternal.class, new LocalServiceImpl(mHandler)); 924 } 925 926 private void resetDefaultImeLocked(Context context) { 927 // Do not reset the default (current) IME when it is a 3rd-party IME 928 if (mCurMethodId != null 929 && !InputMethodUtils.isSystemIme(mMethodMap.get(mCurMethodId))) { 930 return; 931 } 932 933 InputMethodInfo defIm = null; 934 for (InputMethodInfo imi : mMethodList) { 935 if (defIm == null && mSystemReady) { 936 final Locale systemLocale = context.getResources().getConfiguration().locale; 937 if (InputMethodUtils.isSystemImeThatHasSubtypeOf(imi, context, 938 true /* checkDefaultAttribute */, systemLocale, false /* checkCountry */, 939 InputMethodUtils.SUBTYPE_MODE_ANY)) { 940 defIm = imi; 941 Slog.i(TAG, "Selected default: " + imi.getId()); 942 } 943 } 944 } 945 if (defIm == null && mMethodList.size() > 0) { 946 defIm = InputMethodUtils.getMostApplicableDefaultIME( 947 mSettings.getEnabledInputMethodListLocked()); 948 if (defIm != null) { 949 Slog.i(TAG, "Default found, using " + defIm.getId()); 950 } else { 951 Slog.i(TAG, "No default found"); 952 } 953 } 954 if (defIm != null) { 955 setSelectedInputMethodAndSubtypeLocked(defIm, NOT_A_SUBTYPE_ID, false); 956 } 957 } 958 959 private void resetAllInternalStateLocked(final boolean updateOnlyWhenLocaleChanged, 960 final boolean resetDefaultEnabledIme) { 961 if (!mSystemReady) { 962 // not system ready 963 return; 964 } 965 final Locale newLocale = mRes.getConfiguration().locale; 966 if (!updateOnlyWhenLocaleChanged 967 || (newLocale != null && !newLocale.equals(mLastSystemLocale))) { 968 if (!updateOnlyWhenLocaleChanged) { 969 hideCurrentInputLocked(0, null); 970 mCurMethodId = null; 971 unbindCurrentMethodLocked(true, false); 972 } 973 if (DEBUG) { 974 Slog.i(TAG, "Locale has been changed to " + newLocale); 975 } 976 buildInputMethodListLocked(mMethodList, mMethodMap, resetDefaultEnabledIme); 977 if (!updateOnlyWhenLocaleChanged) { 978 final String selectedImiId = mSettings.getSelectedInputMethod(); 979 if (TextUtils.isEmpty(selectedImiId)) { 980 // This is the first time of the user switch and 981 // set the current ime to the proper one. 982 resetDefaultImeLocked(mContext); 983 } 984 } else { 985 // If the locale is changed, needs to reset the default ime 986 resetDefaultImeLocked(mContext); 987 } 988 updateFromSettingsLocked(true); 989 mLastSystemLocale = newLocale; 990 if (!updateOnlyWhenLocaleChanged) { 991 try { 992 startInputInnerLocked(); 993 } catch (RuntimeException e) { 994 Slog.w(TAG, "Unexpected exception", e); 995 } 996 } 997 } 998 } 999 1000 private void resetStateIfCurrentLocaleChangedLocked() { 1001 resetAllInternalStateLocked(true /* updateOnlyWhenLocaleChanged */, 1002 true /* resetDefaultImeLocked */); 1003 } 1004 1005 private void switchUserLocked(int newUserId) { 1006 if (DEBUG) Slog.d(TAG, "Switching user stage 1/3. newUserId=" + newUserId 1007 + " currentUserId=" + mSettings.getCurrentUserId()); 1008 1009 // ContentObserver should be registered again when the user is changed 1010 mSettingsObserver.registerContentObserverLocked(newUserId); 1011 mSettings.setCurrentUserId(newUserId); 1012 updateCurrentProfileIds(); 1013 // InputMethodFileManager should be reset when the user is changed 1014 mFileManager = new InputMethodFileManager(mMethodMap, newUserId); 1015 final String defaultImiId = mSettings.getSelectedInputMethod(); 1016 1017 if (DEBUG) Slog.d(TAG, "Switching user stage 2/3. newUserId=" + newUserId 1018 + " defaultImiId=" + defaultImiId); 1019 1020 // For secondary users, the list of enabled IMEs may not have been updated since the 1021 // callbacks to PackageMonitor are ignored for the secondary user. Here, defaultImiId may 1022 // not be empty even if the IME has been uninstalled by the primary user. 1023 // Even in such cases, IMMS works fine because it will find the most applicable 1024 // IME for that user. 1025 final boolean initialUserSwitch = TextUtils.isEmpty(defaultImiId); 1026 resetAllInternalStateLocked(false /* updateOnlyWhenLocaleChanged */, 1027 initialUserSwitch /* needsToResetDefaultIme */); 1028 if (initialUserSwitch) { 1029 InputMethodUtils.setNonSelectedSystemImesDisabledUntilUsed(mIPackageManager, 1030 mSettings.getEnabledInputMethodListLocked(), newUserId, 1031 mContext.getBasePackageName()); 1032 } 1033 1034 if (DEBUG) Slog.d(TAG, "Switching user stage 3/3. newUserId=" + newUserId 1035 + " selectedIme=" + mSettings.getSelectedInputMethod()); 1036 } 1037 1038 void updateCurrentProfileIds() { 1039 List<UserInfo> profiles = 1040 UserManager.get(mContext).getProfiles(mSettings.getCurrentUserId()); 1041 int[] currentProfileIds = new int[profiles.size()]; // profiles will not be null 1042 for (int i = 0; i < currentProfileIds.length; i++) { 1043 currentProfileIds[i] = profiles.get(i).id; 1044 } 1045 mSettings.setCurrentProfileIds(currentProfileIds); 1046 } 1047 1048 @Override 1049 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 1050 throws RemoteException { 1051 try { 1052 return super.onTransact(code, data, reply, flags); 1053 } catch (RuntimeException e) { 1054 // The input method manager only throws security exceptions, so let's 1055 // log all others. 1056 if (!(e instanceof SecurityException)) { 1057 Slog.wtf(TAG, "Input Method Manager Crash", e); 1058 } 1059 throw e; 1060 } 1061 } 1062 1063 public void systemRunning(StatusBarManagerService statusBar) { 1064 synchronized (mMethodMap) { 1065 if (DEBUG) { 1066 Slog.d(TAG, "--- systemReady"); 1067 } 1068 if (!mSystemReady) { 1069 mSystemReady = true; 1070 mKeyguardManager = 1071 (KeyguardManager) mContext.getSystemService(Context.KEYGUARD_SERVICE); 1072 mNotificationManager = (NotificationManager) 1073 mContext.getSystemService(Context.NOTIFICATION_SERVICE); 1074 mStatusBar = statusBar; 1075 statusBar.setIconVisibility("ime", false); 1076 updateSystemUiLocked(mCurToken, mImeWindowVis, mBackDisposition); 1077 mShowOngoingImeSwitcherForPhones = mRes.getBoolean( 1078 com.android.internal.R.bool.show_ongoing_ime_switcher); 1079 if (mShowOngoingImeSwitcherForPhones) { 1080 mWindowManagerService.setOnHardKeyboardStatusChangeListener( 1081 mHardKeyboardListener); 1082 } 1083 buildInputMethodListLocked(mMethodList, mMethodMap, 1084 !mImeSelectedOnBoot /* resetDefaultEnabledIme */); 1085 if (!mImeSelectedOnBoot) { 1086 Slog.w(TAG, "Reset the default IME as \"Resource\" is ready here."); 1087 resetStateIfCurrentLocaleChangedLocked(); 1088 InputMethodUtils.setNonSelectedSystemImesDisabledUntilUsed(mIPackageManager, 1089 mSettings.getEnabledInputMethodListLocked(), 1090 mSettings.getCurrentUserId(), mContext.getBasePackageName()); 1091 } 1092 mLastSystemLocale = mRes.getConfiguration().locale; 1093 try { 1094 startInputInnerLocked(); 1095 } catch (RuntimeException e) { 1096 Slog.w(TAG, "Unexpected exception", e); 1097 } 1098 } 1099 } 1100 } 1101 1102 // --------------------------------------------------------------------------------------- 1103 // Check whether or not this is a valid IPC. Assumes an IPC is valid when either 1104 // 1) it comes from the system process 1105 // 2) the calling process' user id is identical to the current user id IMMS thinks. 1106 private boolean calledFromValidUser() { 1107 final int uid = Binder.getCallingUid(); 1108 final int userId = UserHandle.getUserId(uid); 1109 if (DEBUG) { 1110 Slog.d(TAG, "--- calledFromForegroundUserOrSystemProcess ? " 1111 + "calling uid = " + uid + " system uid = " + Process.SYSTEM_UID 1112 + " calling userId = " + userId + ", foreground user id = " 1113 + mSettings.getCurrentUserId() + ", calling pid = " + Binder.getCallingPid() 1114 + InputMethodUtils.getApiCallStack()); 1115 } 1116 if (uid == Process.SYSTEM_UID || mSettings.isCurrentProfile(userId)) { 1117 return true; 1118 } 1119 1120 // Caveat: A process which has INTERACT_ACROSS_USERS_FULL gets results for the 1121 // foreground user, not for the user of that process. Accordingly InputMethodManagerService 1122 // must not manage background users' states in any functions. 1123 // Note that privacy-sensitive IPCs, such as setInputMethod, are still securely guarded 1124 // by a token. 1125 if (mContext.checkCallingOrSelfPermission( 1126 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL) 1127 == PackageManager.PERMISSION_GRANTED) { 1128 if (DEBUG) { 1129 Slog.d(TAG, "--- Access granted because the calling process has " 1130 + "the INTERACT_ACROSS_USERS_FULL permission"); 1131 } 1132 return true; 1133 } 1134 Slog.w(TAG, "--- IPC called from background users. Ignore. \n" 1135 + InputMethodUtils.getStackTrace()); 1136 return false; 1137 } 1138 1139 1140 /** 1141 * Returns true iff the caller is identified to be the current input method with the token. 1142 * @param token The window token given to the input method when it was started. 1143 * @return true if and only if non-null valid token is specified. 1144 */ 1145 private boolean calledWithValidToken(IBinder token) { 1146 if (token == null || mCurToken != token) { 1147 return false; 1148 } 1149 return true; 1150 } 1151 1152 private boolean bindCurrentInputMethodService( 1153 Intent service, ServiceConnection conn, int flags) { 1154 if (service == null || conn == null) { 1155 Slog.e(TAG, "--- bind failed: service = " + service + ", conn = " + conn); 1156 return false; 1157 } 1158 return mContext.bindServiceAsUser(service, conn, flags, 1159 new UserHandle(mSettings.getCurrentUserId())); 1160 } 1161 1162 @Override 1163 public List<InputMethodInfo> getInputMethodList() { 1164 // TODO: Make this work even for non-current users? 1165 if (!calledFromValidUser()) { 1166 return Collections.emptyList(); 1167 } 1168 synchronized (mMethodMap) { 1169 return new ArrayList<InputMethodInfo>(mMethodList); 1170 } 1171 } 1172 1173 @Override 1174 public List<InputMethodInfo> getEnabledInputMethodList() { 1175 // TODO: Make this work even for non-current users? 1176 if (!calledFromValidUser()) { 1177 return Collections.emptyList(); 1178 } 1179 synchronized (mMethodMap) { 1180 return mSettings.getEnabledInputMethodListLocked(); 1181 } 1182 } 1183 1184 /** 1185 * @param imiId if null, returns enabled subtypes for the current imi 1186 * @return enabled subtypes of the specified imi 1187 */ 1188 @Override 1189 public List<InputMethodSubtype> getEnabledInputMethodSubtypeList(String imiId, 1190 boolean allowsImplicitlySelectedSubtypes) { 1191 // TODO: Make this work even for non-current users? 1192 if (!calledFromValidUser()) { 1193 return Collections.<InputMethodSubtype>emptyList(); 1194 } 1195 synchronized (mMethodMap) { 1196 final InputMethodInfo imi; 1197 if (imiId == null && mCurMethodId != null) { 1198 imi = mMethodMap.get(mCurMethodId); 1199 } else { 1200 imi = mMethodMap.get(imiId); 1201 } 1202 if (imi == null) { 1203 return Collections.<InputMethodSubtype>emptyList(); 1204 } 1205 return mSettings.getEnabledInputMethodSubtypeListLocked( 1206 mContext, imi, allowsImplicitlySelectedSubtypes); 1207 } 1208 } 1209 1210 @Override 1211 public void addClient(IInputMethodClient client, 1212 IInputContext inputContext, int uid, int pid) { 1213 if (!calledFromValidUser()) { 1214 return; 1215 } 1216 synchronized (mMethodMap) { 1217 mClients.put(client.asBinder(), new ClientState(client, 1218 inputContext, uid, pid)); 1219 } 1220 } 1221 1222 @Override 1223 public void removeClient(IInputMethodClient client) { 1224 if (!calledFromValidUser()) { 1225 return; 1226 } 1227 synchronized (mMethodMap) { 1228 ClientState cs = mClients.remove(client.asBinder()); 1229 if (cs != null) { 1230 clearClientSessionLocked(cs); 1231 } 1232 } 1233 } 1234 1235 void executeOrSendMessage(IInterface target, Message msg) { 1236 if (target.asBinder() instanceof Binder) { 1237 mCaller.sendMessage(msg); 1238 } else { 1239 handleMessage(msg); 1240 msg.recycle(); 1241 } 1242 } 1243 1244 void unbindCurrentClientLocked() { 1245 if (mCurClient != null) { 1246 if (DEBUG) Slog.v(TAG, "unbindCurrentInputLocked: client = " 1247 + mCurClient.client.asBinder()); 1248 if (mBoundToMethod) { 1249 mBoundToMethod = false; 1250 if (mCurMethod != null) { 1251 executeOrSendMessage(mCurMethod, mCaller.obtainMessageO( 1252 MSG_UNBIND_INPUT, mCurMethod)); 1253 } 1254 } 1255 1256 executeOrSendMessage(mCurClient.client, mCaller.obtainMessageIO( 1257 MSG_SET_ACTIVE, 0, mCurClient)); 1258 executeOrSendMessage(mCurClient.client, mCaller.obtainMessageIO( 1259 MSG_UNBIND_METHOD, mCurSeq, mCurClient.client)); 1260 mCurClient.sessionRequested = false; 1261 mCurClient = null; 1262 1263 hideInputMethodMenuLocked(); 1264 } 1265 } 1266 1267 private int getImeShowFlags() { 1268 int flags = 0; 1269 if (mShowForced) { 1270 flags |= InputMethod.SHOW_FORCED 1271 | InputMethod.SHOW_EXPLICIT; 1272 } else if (mShowExplicitlyRequested) { 1273 flags |= InputMethod.SHOW_EXPLICIT; 1274 } 1275 return flags; 1276 } 1277 1278 private int getAppShowFlags() { 1279 int flags = 0; 1280 if (mShowForced) { 1281 flags |= InputMethodManager.SHOW_FORCED; 1282 } else if (!mShowExplicitlyRequested) { 1283 flags |= InputMethodManager.SHOW_IMPLICIT; 1284 } 1285 return flags; 1286 } 1287 1288 InputBindResult attachNewInputLocked(boolean initial) { 1289 if (!mBoundToMethod) { 1290 executeOrSendMessage(mCurMethod, mCaller.obtainMessageOO( 1291 MSG_BIND_INPUT, mCurMethod, mCurClient.binding)); 1292 mBoundToMethod = true; 1293 } 1294 final SessionState session = mCurClient.curSession; 1295 if (initial) { 1296 executeOrSendMessage(session.method, mCaller.obtainMessageOOO( 1297 MSG_START_INPUT, session, mCurInputContext, mCurAttribute)); 1298 } else { 1299 executeOrSendMessage(session.method, mCaller.obtainMessageOOO( 1300 MSG_RESTART_INPUT, session, mCurInputContext, mCurAttribute)); 1301 } 1302 if (mShowRequested) { 1303 if (DEBUG) Slog.v(TAG, "Attach new input asks to show input"); 1304 showCurrentInputLocked(getAppShowFlags(), null); 1305 } 1306 return new InputBindResult(session.session, 1307 (session.channel != null ? session.channel.dup() : null), 1308 mCurId, mCurSeq, mCurUserActionNotificationSequenceNumber); 1309 } 1310 1311 InputBindResult startInputLocked(IInputMethodClient client, 1312 IInputContext inputContext, EditorInfo attribute, int controlFlags) { 1313 // If no method is currently selected, do nothing. 1314 if (mCurMethodId == null) { 1315 return mNoBinding; 1316 } 1317 1318 ClientState cs = mClients.get(client.asBinder()); 1319 if (cs == null) { 1320 throw new IllegalArgumentException("unknown client " 1321 + client.asBinder()); 1322 } 1323 1324 try { 1325 if (!mIWindowManager.inputMethodClientHasFocus(cs.client)) { 1326 // Check with the window manager to make sure this client actually 1327 // has a window with focus. If not, reject. This is thread safe 1328 // because if the focus changes some time before or after, the 1329 // next client receiving focus that has any interest in input will 1330 // be calling through here after that change happens. 1331 Slog.w(TAG, "Starting input on non-focused client " + cs.client 1332 + " (uid=" + cs.uid + " pid=" + cs.pid + ")"); 1333 return null; 1334 } 1335 } catch (RemoteException e) { 1336 } 1337 1338 return startInputUncheckedLocked(cs, inputContext, attribute, controlFlags); 1339 } 1340 1341 InputBindResult startInputUncheckedLocked(@NonNull ClientState cs, 1342 IInputContext inputContext, @NonNull EditorInfo attribute, int controlFlags) { 1343 // If no method is currently selected, do nothing. 1344 if (mCurMethodId == null) { 1345 return mNoBinding; 1346 } 1347 1348 if (!InputMethodUtils.checkIfPackageBelongsToUid(mAppOpsManager, cs.uid, 1349 attribute.packageName)) { 1350 Slog.e(TAG, "Rejecting this client as it reported an invalid package name." 1351 + " uid=" + cs.uid + " package=" + attribute.packageName); 1352 return mNoBinding; 1353 } 1354 1355 if (mCurClient != cs) { 1356 // Was the keyguard locked when switching over to the new client? 1357 mCurClientInKeyguard = isKeyguardLocked(); 1358 // If the client is changing, we need to switch over to the new 1359 // one. 1360 unbindCurrentClientLocked(); 1361 if (DEBUG) Slog.v(TAG, "switching to client: client = " 1362 + cs.client.asBinder() + " keyguard=" + mCurClientInKeyguard); 1363 1364 // If the screen is on, inform the new client it is active 1365 if (mIsInteractive) { 1366 executeOrSendMessage(cs.client, mCaller.obtainMessageIO( 1367 MSG_SET_ACTIVE, mIsInteractive ? 1 : 0, cs)); 1368 } 1369 } 1370 1371 // Bump up the sequence for this client and attach it. 1372 mCurSeq++; 1373 if (mCurSeq <= 0) mCurSeq = 1; 1374 mCurClient = cs; 1375 mCurInputContext = inputContext; 1376 mCurAttribute = attribute; 1377 1378 // Check if the input method is changing. 1379 if (mCurId != null && mCurId.equals(mCurMethodId)) { 1380 if (cs.curSession != null) { 1381 // Fast case: if we are already connected to the input method, 1382 // then just return it. 1383 return attachNewInputLocked( 1384 (controlFlags&InputMethodManager.CONTROL_START_INITIAL) != 0); 1385 } 1386 if (mHaveConnection) { 1387 if (mCurMethod != null) { 1388 // Return to client, and we will get back with it when 1389 // we have had a session made for it. 1390 requestClientSessionLocked(cs); 1391 return new InputBindResult(null, null, mCurId, mCurSeq, 1392 mCurUserActionNotificationSequenceNumber); 1393 } else if (SystemClock.uptimeMillis() 1394 < (mLastBindTime+TIME_TO_RECONNECT)) { 1395 // In this case we have connected to the service, but 1396 // don't yet have its interface. If it hasn't been too 1397 // long since we did the connection, we'll return to 1398 // the client and wait to get the service interface so 1399 // we can report back. If it has been too long, we want 1400 // to fall through so we can try a disconnect/reconnect 1401 // to see if we can get back in touch with the service. 1402 return new InputBindResult(null, null, mCurId, mCurSeq, 1403 mCurUserActionNotificationSequenceNumber); 1404 } else { 1405 EventLog.writeEvent(EventLogTags.IMF_FORCE_RECONNECT_IME, 1406 mCurMethodId, SystemClock.uptimeMillis()-mLastBindTime, 0); 1407 } 1408 } 1409 } 1410 1411 return startInputInnerLocked(); 1412 } 1413 1414 InputBindResult startInputInnerLocked() { 1415 if (mCurMethodId == null) { 1416 return mNoBinding; 1417 } 1418 1419 if (!mSystemReady) { 1420 // If the system is not yet ready, we shouldn't be running third 1421 // party code. 1422 return new InputBindResult(null, null, mCurMethodId, mCurSeq, 1423 mCurUserActionNotificationSequenceNumber); 1424 } 1425 1426 InputMethodInfo info = mMethodMap.get(mCurMethodId); 1427 if (info == null) { 1428 throw new IllegalArgumentException("Unknown id: " + mCurMethodId); 1429 } 1430 1431 unbindCurrentMethodLocked(false, true); 1432 1433 mCurIntent = new Intent(InputMethod.SERVICE_INTERFACE); 1434 mCurIntent.setComponent(info.getComponent()); 1435 mCurIntent.putExtra(Intent.EXTRA_CLIENT_LABEL, 1436 com.android.internal.R.string.input_method_binding_label); 1437 mCurIntent.putExtra(Intent.EXTRA_CLIENT_INTENT, PendingIntent.getActivity( 1438 mContext, 0, new Intent(Settings.ACTION_INPUT_METHOD_SETTINGS), 0)); 1439 if (bindCurrentInputMethodService(mCurIntent, this, Context.BIND_AUTO_CREATE 1440 | Context.BIND_NOT_VISIBLE | Context.BIND_NOT_FOREGROUND 1441 | Context.BIND_SHOWING_UI)) { 1442 mLastBindTime = SystemClock.uptimeMillis(); 1443 mHaveConnection = true; 1444 mCurId = info.getId(); 1445 mCurToken = new Binder(); 1446 try { 1447 if (true || DEBUG) Slog.v(TAG, "Adding window token: " + mCurToken); 1448 mIWindowManager.addWindowToken(mCurToken, 1449 WindowManager.LayoutParams.TYPE_INPUT_METHOD); 1450 } catch (RemoteException e) { 1451 } 1452 return new InputBindResult(null, null, mCurId, mCurSeq, 1453 mCurUserActionNotificationSequenceNumber); 1454 } else { 1455 mCurIntent = null; 1456 Slog.w(TAG, "Failure connecting to input method service: " 1457 + mCurIntent); 1458 } 1459 return null; 1460 } 1461 1462 @Override 1463 public InputBindResult startInput(IInputMethodClient client, 1464 IInputContext inputContext, EditorInfo attribute, int controlFlags) { 1465 if (!calledFromValidUser()) { 1466 return null; 1467 } 1468 synchronized (mMethodMap) { 1469 final long ident = Binder.clearCallingIdentity(); 1470 try { 1471 return startInputLocked(client, inputContext, attribute, controlFlags); 1472 } finally { 1473 Binder.restoreCallingIdentity(ident); 1474 } 1475 } 1476 } 1477 1478 @Override 1479 public void finishInput(IInputMethodClient client) { 1480 } 1481 1482 @Override 1483 public void onServiceConnected(ComponentName name, IBinder service) { 1484 synchronized (mMethodMap) { 1485 if (mCurIntent != null && name.equals(mCurIntent.getComponent())) { 1486 mCurMethod = IInputMethod.Stub.asInterface(service); 1487 if (mCurToken == null) { 1488 Slog.w(TAG, "Service connected without a token!"); 1489 unbindCurrentMethodLocked(false, false); 1490 return; 1491 } 1492 if (DEBUG) Slog.v(TAG, "Initiating attach with token: " + mCurToken); 1493 executeOrSendMessage(mCurMethod, mCaller.obtainMessageOO( 1494 MSG_ATTACH_TOKEN, mCurMethod, mCurToken)); 1495 if (mCurClient != null) { 1496 clearClientSessionLocked(mCurClient); 1497 requestClientSessionLocked(mCurClient); 1498 } 1499 } 1500 } 1501 } 1502 1503 void onSessionCreated(IInputMethod method, IInputMethodSession session, 1504 InputChannel channel) { 1505 synchronized (mMethodMap) { 1506 if (mCurMethod != null && method != null 1507 && mCurMethod.asBinder() == method.asBinder()) { 1508 if (mCurClient != null) { 1509 clearClientSessionLocked(mCurClient); 1510 mCurClient.curSession = new SessionState(mCurClient, 1511 method, session, channel); 1512 InputBindResult res = attachNewInputLocked(true); 1513 if (res.method != null) { 1514 executeOrSendMessage(mCurClient.client, mCaller.obtainMessageOO( 1515 MSG_BIND_METHOD, mCurClient.client, res)); 1516 } 1517 return; 1518 } 1519 } 1520 } 1521 1522 // Session abandoned. Close its associated input channel. 1523 channel.dispose(); 1524 } 1525 1526 void unbindCurrentMethodLocked(boolean reportToClient, boolean savePosition) { 1527 if (mVisibleBound) { 1528 mContext.unbindService(mVisibleConnection); 1529 mVisibleBound = false; 1530 } 1531 1532 if (mHaveConnection) { 1533 mContext.unbindService(this); 1534 mHaveConnection = false; 1535 } 1536 1537 if (mCurToken != null) { 1538 try { 1539 if (DEBUG) Slog.v(TAG, "Removing window token: " + mCurToken); 1540 if ((mImeWindowVis & InputMethodService.IME_ACTIVE) != 0 && savePosition) { 1541 // The current IME is shown. Hence an IME switch (transition) is happening. 1542 mWindowManagerService.saveLastInputMethodWindowForTransition(); 1543 } 1544 mIWindowManager.removeWindowToken(mCurToken); 1545 } catch (RemoteException e) { 1546 } 1547 mCurToken = null; 1548 } 1549 1550 mCurId = null; 1551 clearCurMethodLocked(); 1552 1553 if (reportToClient && mCurClient != null) { 1554 executeOrSendMessage(mCurClient.client, mCaller.obtainMessageIO( 1555 MSG_UNBIND_METHOD, mCurSeq, mCurClient.client)); 1556 } 1557 } 1558 1559 void requestClientSessionLocked(ClientState cs) { 1560 if (!cs.sessionRequested) { 1561 if (DEBUG) Slog.v(TAG, "Creating new session for client " + cs); 1562 InputChannel[] channels = InputChannel.openInputChannelPair(cs.toString()); 1563 cs.sessionRequested = true; 1564 executeOrSendMessage(mCurMethod, mCaller.obtainMessageOOO( 1565 MSG_CREATE_SESSION, mCurMethod, channels[1], 1566 new MethodCallback(this, mCurMethod, channels[0]))); 1567 } 1568 } 1569 1570 void clearClientSessionLocked(ClientState cs) { 1571 finishSessionLocked(cs.curSession); 1572 cs.curSession = null; 1573 cs.sessionRequested = false; 1574 } 1575 1576 private void finishSessionLocked(SessionState sessionState) { 1577 if (sessionState != null) { 1578 if (sessionState.session != null) { 1579 try { 1580 sessionState.session.finishSession(); 1581 } catch (RemoteException e) { 1582 Slog.w(TAG, "Session failed to close due to remote exception", e); 1583 updateSystemUiLocked(mCurToken, 0 /* vis */, mBackDisposition); 1584 } 1585 sessionState.session = null; 1586 } 1587 if (sessionState.channel != null) { 1588 sessionState.channel.dispose(); 1589 sessionState.channel = null; 1590 } 1591 } 1592 } 1593 1594 void clearCurMethodLocked() { 1595 if (mCurMethod != null) { 1596 for (ClientState cs : mClients.values()) { 1597 clearClientSessionLocked(cs); 1598 } 1599 1600 finishSessionLocked(mEnabledSession); 1601 mEnabledSession = null; 1602 mCurMethod = null; 1603 } 1604 if (mStatusBar != null) { 1605 mStatusBar.setIconVisibility("ime", false); 1606 } 1607 } 1608 1609 @Override 1610 public void onServiceDisconnected(ComponentName name) { 1611 synchronized (mMethodMap) { 1612 if (DEBUG) Slog.v(TAG, "Service disconnected: " + name 1613 + " mCurIntent=" + mCurIntent); 1614 if (mCurMethod != null && mCurIntent != null 1615 && name.equals(mCurIntent.getComponent())) { 1616 clearCurMethodLocked(); 1617 // We consider this to be a new bind attempt, since the system 1618 // should now try to restart the service for us. 1619 mLastBindTime = SystemClock.uptimeMillis(); 1620 mShowRequested = mInputShown; 1621 mInputShown = false; 1622 if (mCurClient != null) { 1623 executeOrSendMessage(mCurClient.client, mCaller.obtainMessageIO( 1624 MSG_UNBIND_METHOD, mCurSeq, mCurClient.client)); 1625 } 1626 } 1627 } 1628 } 1629 1630 @Override 1631 public void updateStatusIcon(IBinder token, String packageName, int iconId) { 1632 long ident = Binder.clearCallingIdentity(); 1633 try { 1634 synchronized (mMethodMap) { 1635 if (!calledWithValidToken(token)) { 1636 final int uid = Binder.getCallingUid(); 1637 Slog.e(TAG, "Ignoring updateStatusIcon due to an invalid token. uid:" + uid 1638 + " token:" + token); 1639 return; 1640 } 1641 if (iconId == 0) { 1642 if (DEBUG) Slog.d(TAG, "hide the small icon for the input method"); 1643 if (mStatusBar != null) { 1644 mStatusBar.setIconVisibility("ime", false); 1645 } 1646 } else if (packageName != null) { 1647 if (DEBUG) Slog.d(TAG, "show a small icon for the input method"); 1648 CharSequence contentDescription = null; 1649 try { 1650 // Use PackageManager to load label 1651 final PackageManager packageManager = mContext.getPackageManager(); 1652 contentDescription = packageManager.getApplicationLabel( 1653 mIPackageManager.getApplicationInfo(packageName, 0, 1654 mSettings.getCurrentUserId())); 1655 } catch (RemoteException e) { 1656 /* ignore */ 1657 } 1658 if (mStatusBar != null) { 1659 mStatusBar.setIcon("ime", packageName, iconId, 0, 1660 contentDescription != null 1661 ? contentDescription.toString() : null); 1662 mStatusBar.setIconVisibility("ime", true); 1663 } 1664 } 1665 } 1666 } finally { 1667 Binder.restoreCallingIdentity(ident); 1668 } 1669 } 1670 1671 private boolean shouldShowImeSwitcherLocked(int visibility) { 1672 if (!mShowOngoingImeSwitcherForPhones) return false; 1673 if (mSwitchingDialog != null) return false; 1674 if (isScreenLocked()) return false; 1675 if ((visibility & InputMethodService.IME_ACTIVE) == 0) return false; 1676 if (mWindowManagerService.isHardKeyboardAvailable()) { 1677 // When physical keyboard is attached, we show the ime switcher (or notification if 1678 // NavBar is not available) because SHOW_IME_WITH_HARD_KEYBOARD settings currently 1679 // exists in the IME switcher dialog. Might be OK to remove this condition once 1680 // SHOW_IME_WITH_HARD_KEYBOARD settings finds a good place to live. 1681 return true; 1682 } 1683 if ((visibility & InputMethodService.IME_VISIBLE) == 0) return false; 1684 1685 List<InputMethodInfo> imis = mSettings.getEnabledInputMethodListLocked(); 1686 final int N = imis.size(); 1687 if (N > 2) return true; 1688 if (N < 1) return false; 1689 int nonAuxCount = 0; 1690 int auxCount = 0; 1691 InputMethodSubtype nonAuxSubtype = null; 1692 InputMethodSubtype auxSubtype = null; 1693 for(int i = 0; i < N; ++i) { 1694 final InputMethodInfo imi = imis.get(i); 1695 final List<InputMethodSubtype> subtypes = 1696 mSettings.getEnabledInputMethodSubtypeListLocked(mContext, imi, true); 1697 final int subtypeCount = subtypes.size(); 1698 if (subtypeCount == 0) { 1699 ++nonAuxCount; 1700 } else { 1701 for (int j = 0; j < subtypeCount; ++j) { 1702 final InputMethodSubtype subtype = subtypes.get(j); 1703 if (!subtype.isAuxiliary()) { 1704 ++nonAuxCount; 1705 nonAuxSubtype = subtype; 1706 } else { 1707 ++auxCount; 1708 auxSubtype = subtype; 1709 } 1710 } 1711 } 1712 } 1713 if (nonAuxCount > 1 || auxCount > 1) { 1714 return true; 1715 } else if (nonAuxCount == 1 && auxCount == 1) { 1716 if (nonAuxSubtype != null && auxSubtype != null 1717 && (nonAuxSubtype.getLocale().equals(auxSubtype.getLocale()) 1718 || auxSubtype.overridesImplicitlyEnabledSubtype() 1719 || nonAuxSubtype.overridesImplicitlyEnabledSubtype()) 1720 && nonAuxSubtype.containsExtraValueKey(TAG_TRY_SUPPRESSING_IME_SWITCHER)) { 1721 return false; 1722 } 1723 return true; 1724 } 1725 return false; 1726 } 1727 1728 private boolean isKeyguardLocked() { 1729 return mKeyguardManager != null && mKeyguardManager.isKeyguardLocked(); 1730 } 1731 1732 @SuppressWarnings("deprecation") 1733 @Override 1734 public void setImeWindowStatus(IBinder token, int vis, int backDisposition) { 1735 if (!calledWithValidToken(token)) { 1736 final int uid = Binder.getCallingUid(); 1737 Slog.e(TAG, "Ignoring setImeWindowStatus due to an invalid token. uid:" + uid 1738 + " token:" + token); 1739 return; 1740 } 1741 1742 synchronized (mMethodMap) { 1743 mImeWindowVis = vis; 1744 mBackDisposition = backDisposition; 1745 updateSystemUiLocked(token, vis, backDisposition); 1746 } 1747 } 1748 1749 private void updateSystemUi(IBinder token, int vis, int backDisposition) { 1750 synchronized (mMethodMap) { 1751 updateSystemUiLocked(token, vis, backDisposition); 1752 } 1753 } 1754 1755 // Caution! This method is called in this class. Handle multi-user carefully 1756 private void updateSystemUiLocked(IBinder token, int vis, int backDisposition) { 1757 if (!calledWithValidToken(token)) { 1758 final int uid = Binder.getCallingUid(); 1759 Slog.e(TAG, "Ignoring updateSystemUiLocked due to an invalid token. uid:" + uid 1760 + " token:" + token); 1761 return; 1762 } 1763 1764 // TODO: Move this clearing calling identity block to setImeWindowStatus after making sure 1765 // all updateSystemUi happens on system previlege. 1766 final long ident = Binder.clearCallingIdentity(); 1767 try { 1768 // apply policy for binder calls 1769 if (vis != 0 && isKeyguardLocked() && !mCurClientInKeyguard) { 1770 vis = 0; 1771 } 1772 // mImeWindowVis should be updated before calling shouldShowImeSwitcherLocked(). 1773 final boolean needsToShowImeSwitcher = shouldShowImeSwitcherLocked(vis); 1774 if (mStatusBar != null) { 1775 mStatusBar.setImeWindowStatus(token, vis, backDisposition, 1776 needsToShowImeSwitcher); 1777 } 1778 final InputMethodInfo imi = mMethodMap.get(mCurMethodId); 1779 if (imi != null && needsToShowImeSwitcher) { 1780 // Used to load label 1781 final CharSequence title = mRes.getText( 1782 com.android.internal.R.string.select_input_method); 1783 final CharSequence summary = InputMethodUtils.getImeAndSubtypeDisplayName( 1784 mContext, imi, mCurrentSubtype); 1785 mImeSwitcherNotification.setContentTitle(title) 1786 .setContentText(summary) 1787 .setContentIntent(mImeSwitchPendingIntent); 1788 if ((mNotificationManager != null) 1789 && !mWindowManagerService.hasNavigationBar()) { 1790 if (DEBUG) { 1791 Slog.d(TAG, "--- show notification: label = " + summary); 1792 } 1793 mNotificationManager.notifyAsUser(null, 1794 com.android.internal.R.string.select_input_method, 1795 mImeSwitcherNotification.build(), UserHandle.ALL); 1796 mNotificationShown = true; 1797 } 1798 } else { 1799 if (mNotificationShown && mNotificationManager != null) { 1800 if (DEBUG) { 1801 Slog.d(TAG, "--- hide notification"); 1802 } 1803 mNotificationManager.cancelAsUser(null, 1804 com.android.internal.R.string.select_input_method, UserHandle.ALL); 1805 mNotificationShown = false; 1806 } 1807 } 1808 } finally { 1809 Binder.restoreCallingIdentity(ident); 1810 } 1811 } 1812 1813 @Override 1814 public void registerSuggestionSpansForNotification(SuggestionSpan[] spans) { 1815 if (!calledFromValidUser()) { 1816 return; 1817 } 1818 synchronized (mMethodMap) { 1819 final InputMethodInfo currentImi = mMethodMap.get(mCurMethodId); 1820 for (int i = 0; i < spans.length; ++i) { 1821 SuggestionSpan ss = spans[i]; 1822 if (!TextUtils.isEmpty(ss.getNotificationTargetClassName())) { 1823 mSecureSuggestionSpans.put(ss, currentImi); 1824 } 1825 } 1826 } 1827 } 1828 1829 @Override 1830 public boolean notifySuggestionPicked(SuggestionSpan span, String originalString, int index) { 1831 if (!calledFromValidUser()) { 1832 return false; 1833 } 1834 synchronized (mMethodMap) { 1835 final InputMethodInfo targetImi = mSecureSuggestionSpans.get(span); 1836 // TODO: Do not send the intent if the process of the targetImi is already dead. 1837 if (targetImi != null) { 1838 final String[] suggestions = span.getSuggestions(); 1839 if (index < 0 || index >= suggestions.length) return false; 1840 final String className = span.getNotificationTargetClassName(); 1841 final Intent intent = new Intent(); 1842 // Ensures that only a class in the original IME package will receive the 1843 // notification. 1844 intent.setClassName(targetImi.getPackageName(), className); 1845 intent.setAction(SuggestionSpan.ACTION_SUGGESTION_PICKED); 1846 intent.putExtra(SuggestionSpan.SUGGESTION_SPAN_PICKED_BEFORE, originalString); 1847 intent.putExtra(SuggestionSpan.SUGGESTION_SPAN_PICKED_AFTER, suggestions[index]); 1848 intent.putExtra(SuggestionSpan.SUGGESTION_SPAN_PICKED_HASHCODE, span.hashCode()); 1849 final long ident = Binder.clearCallingIdentity(); 1850 try { 1851 mContext.sendBroadcastAsUser(intent, UserHandle.CURRENT); 1852 } finally { 1853 Binder.restoreCallingIdentity(ident); 1854 } 1855 return true; 1856 } 1857 } 1858 return false; 1859 } 1860 1861 void updateFromSettingsLocked(boolean enabledMayChange) { 1862 updateInputMethodsFromSettingsLocked(enabledMayChange); 1863 updateKeyboardFromSettingsLocked(); 1864 } 1865 1866 void updateInputMethodsFromSettingsLocked(boolean enabledMayChange) { 1867 if (enabledMayChange) { 1868 List<InputMethodInfo> enabled = mSettings.getEnabledInputMethodListLocked(); 1869 for (int i=0; i<enabled.size(); i++) { 1870 // We allow the user to select "disabled until used" apps, so if they 1871 // are enabling one of those here we now need to make it enabled. 1872 InputMethodInfo imm = enabled.get(i); 1873 try { 1874 ApplicationInfo ai = mIPackageManager.getApplicationInfo(imm.getPackageName(), 1875 PackageManager.GET_DISABLED_UNTIL_USED_COMPONENTS, 1876 mSettings.getCurrentUserId()); 1877 if (ai != null && ai.enabledSetting 1878 == PackageManager.COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED) { 1879 if (DEBUG) { 1880 Slog.d(TAG, "Update state(" + imm.getId() 1881 + "): DISABLED_UNTIL_USED -> DEFAULT"); 1882 } 1883 mIPackageManager.setApplicationEnabledSetting(imm.getPackageName(), 1884 PackageManager.COMPONENT_ENABLED_STATE_DEFAULT, 1885 PackageManager.DONT_KILL_APP, mSettings.getCurrentUserId(), 1886 mContext.getBasePackageName()); 1887 } 1888 } catch (RemoteException e) { 1889 } 1890 } 1891 } 1892 // We are assuming that whoever is changing DEFAULT_INPUT_METHOD and 1893 // ENABLED_INPUT_METHODS is taking care of keeping them correctly in 1894 // sync, so we will never have a DEFAULT_INPUT_METHOD that is not 1895 // enabled. 1896 String id = mSettings.getSelectedInputMethod(); 1897 // There is no input method selected, try to choose new applicable input method. 1898 if (TextUtils.isEmpty(id) && chooseNewDefaultIMELocked()) { 1899 id = mSettings.getSelectedInputMethod(); 1900 } 1901 if (!TextUtils.isEmpty(id)) { 1902 try { 1903 setInputMethodLocked(id, mSettings.getSelectedInputMethodSubtypeId(id)); 1904 } catch (IllegalArgumentException e) { 1905 Slog.w(TAG, "Unknown input method from prefs: " + id, e); 1906 mCurMethodId = null; 1907 unbindCurrentMethodLocked(true, false); 1908 } 1909 mShortcutInputMethodsAndSubtypes.clear(); 1910 } else { 1911 // There is no longer an input method set, so stop any current one. 1912 mCurMethodId = null; 1913 unbindCurrentMethodLocked(true, false); 1914 } 1915 // Here is not the perfect place to reset the switching controller. Ideally 1916 // mSwitchingController and mSettings should be able to share the same state. 1917 // TODO: Make sure that mSwitchingController and mSettings are sharing the 1918 // the same enabled IMEs list. 1919 mSwitchingController.resetCircularListLocked(mContext); 1920 1921 } 1922 1923 public void updateKeyboardFromSettingsLocked() { 1924 mShowImeWithHardKeyboard = mSettings.isShowImeWithHardKeyboardEnabled(); 1925 if (mSwitchingDialog != null 1926 && mSwitchingDialogTitleView != null 1927 && mSwitchingDialog.isShowing()) { 1928 final Switch hardKeySwitch = (Switch)mSwitchingDialogTitleView.findViewById( 1929 com.android.internal.R.id.hard_keyboard_switch); 1930 hardKeySwitch.setChecked(mShowImeWithHardKeyboard); 1931 } 1932 } 1933 1934 /* package */ void setInputMethodLocked(String id, int subtypeId) { 1935 InputMethodInfo info = mMethodMap.get(id); 1936 if (info == null) { 1937 throw new IllegalArgumentException("Unknown id: " + id); 1938 } 1939 1940 if (mCurClient != null && mCurAttribute != null) { 1941 // We have already made sure that the package name belongs to the application's UID. 1942 // No further UID check is required. 1943 if (SystemConfig.getInstance().getFixedImeApps().contains(mCurAttribute.packageName)) { 1944 return; 1945 } 1946 } 1947 1948 // See if we need to notify a subtype change within the same IME. 1949 if (id.equals(mCurMethodId)) { 1950 final int subtypeCount = info.getSubtypeCount(); 1951 if (subtypeCount <= 0) { 1952 return; 1953 } 1954 final InputMethodSubtype oldSubtype = mCurrentSubtype; 1955 final InputMethodSubtype newSubtype; 1956 if (subtypeId >= 0 && subtypeId < subtypeCount) { 1957 newSubtype = info.getSubtypeAt(subtypeId); 1958 } else { 1959 // If subtype is null, try to find the most applicable one from 1960 // getCurrentInputMethodSubtype. 1961 newSubtype = getCurrentInputMethodSubtypeLocked(); 1962 } 1963 if (newSubtype == null || oldSubtype == null) { 1964 Slog.w(TAG, "Illegal subtype state: old subtype = " + oldSubtype 1965 + ", new subtype = " + newSubtype); 1966 return; 1967 } 1968 if (newSubtype != oldSubtype) { 1969 setSelectedInputMethodAndSubtypeLocked(info, subtypeId, true); 1970 if (mCurMethod != null) { 1971 try { 1972 updateSystemUiLocked(mCurToken, mImeWindowVis, mBackDisposition); 1973 mCurMethod.changeInputMethodSubtype(newSubtype); 1974 } catch (RemoteException e) { 1975 Slog.w(TAG, "Failed to call changeInputMethodSubtype"); 1976 } 1977 } 1978 } 1979 return; 1980 } 1981 1982 // Changing to a different IME. 1983 final long ident = Binder.clearCallingIdentity(); 1984 try { 1985 // Set a subtype to this input method. 1986 // subtypeId the name of a subtype which will be set. 1987 setSelectedInputMethodAndSubtypeLocked(info, subtypeId, false); 1988 // mCurMethodId should be updated after setSelectedInputMethodAndSubtypeLocked() 1989 // because mCurMethodId is stored as a history in 1990 // setSelectedInputMethodAndSubtypeLocked(). 1991 mCurMethodId = id; 1992 1993 if (ActivityManagerNative.isSystemReady()) { 1994 Intent intent = new Intent(Intent.ACTION_INPUT_METHOD_CHANGED); 1995 intent.addFlags(Intent.FLAG_RECEIVER_REPLACE_PENDING); 1996 intent.putExtra("input_method_id", id); 1997 mContext.sendBroadcastAsUser(intent, UserHandle.CURRENT); 1998 } 1999 unbindCurrentClientLocked(); 2000 } finally { 2001 Binder.restoreCallingIdentity(ident); 2002 } 2003 } 2004 2005 @Override 2006 public boolean showSoftInput(IInputMethodClient client, int flags, 2007 ResultReceiver resultReceiver) { 2008 if (!calledFromValidUser()) { 2009 return false; 2010 } 2011 int uid = Binder.getCallingUid(); 2012 long ident = Binder.clearCallingIdentity(); 2013 try { 2014 synchronized (mMethodMap) { 2015 if (mCurClient == null || client == null 2016 || mCurClient.client.asBinder() != client.asBinder()) { 2017 try { 2018 // We need to check if this is the current client with 2019 // focus in the window manager, to allow this call to 2020 // be made before input is started in it. 2021 if (!mIWindowManager.inputMethodClientHasFocus(client)) { 2022 Slog.w(TAG, "Ignoring showSoftInput of uid " + uid + ": " + client); 2023 return false; 2024 } 2025 } catch (RemoteException e) { 2026 return false; 2027 } 2028 } 2029 2030 if (DEBUG) Slog.v(TAG, "Client requesting input be shown"); 2031 return showCurrentInputLocked(flags, resultReceiver); 2032 } 2033 } finally { 2034 Binder.restoreCallingIdentity(ident); 2035 } 2036 } 2037 2038 boolean showCurrentInputLocked(int flags, ResultReceiver resultReceiver) { 2039 mShowRequested = true; 2040 if ((flags&InputMethodManager.SHOW_IMPLICIT) == 0) { 2041 mShowExplicitlyRequested = true; 2042 } 2043 if ((flags&InputMethodManager.SHOW_FORCED) != 0) { 2044 mShowExplicitlyRequested = true; 2045 mShowForced = true; 2046 } 2047 2048 if (!mSystemReady) { 2049 return false; 2050 } 2051 2052 boolean res = false; 2053 if (mCurMethod != null) { 2054 if (DEBUG) Slog.d(TAG, "showCurrentInputLocked: mCurToken=" + mCurToken); 2055 executeOrSendMessage(mCurMethod, mCaller.obtainMessageIOO( 2056 MSG_SHOW_SOFT_INPUT, getImeShowFlags(), mCurMethod, 2057 resultReceiver)); 2058 mInputShown = true; 2059 if (mHaveConnection && !mVisibleBound) { 2060 bindCurrentInputMethodService( 2061 mCurIntent, mVisibleConnection, Context.BIND_AUTO_CREATE 2062 | Context.BIND_TREAT_LIKE_ACTIVITY 2063 | Context.BIND_FOREGROUND_SERVICE); 2064 mVisibleBound = true; 2065 } 2066 res = true; 2067 } else if (mHaveConnection && SystemClock.uptimeMillis() 2068 >= (mLastBindTime+TIME_TO_RECONNECT)) { 2069 // The client has asked to have the input method shown, but 2070 // we have been sitting here too long with a connection to the 2071 // service and no interface received, so let's disconnect/connect 2072 // to try to prod things along. 2073 EventLog.writeEvent(EventLogTags.IMF_FORCE_RECONNECT_IME, mCurMethodId, 2074 SystemClock.uptimeMillis()-mLastBindTime,1); 2075 Slog.w(TAG, "Force disconnect/connect to the IME in showCurrentInputLocked()"); 2076 mContext.unbindService(this); 2077 bindCurrentInputMethodService(mCurIntent, this, Context.BIND_AUTO_CREATE 2078 | Context.BIND_NOT_VISIBLE); 2079 } else { 2080 if (DEBUG) { 2081 Slog.d(TAG, "Can't show input: connection = " + mHaveConnection + ", time = " 2082 + ((mLastBindTime+TIME_TO_RECONNECT) - SystemClock.uptimeMillis())); 2083 } 2084 } 2085 2086 return res; 2087 } 2088 2089 @Override 2090 public boolean hideSoftInput(IInputMethodClient client, int flags, 2091 ResultReceiver resultReceiver) { 2092 if (!calledFromValidUser()) { 2093 return false; 2094 } 2095 int uid = Binder.getCallingUid(); 2096 long ident = Binder.clearCallingIdentity(); 2097 try { 2098 synchronized (mMethodMap) { 2099 if (mCurClient == null || client == null 2100 || mCurClient.client.asBinder() != client.asBinder()) { 2101 try { 2102 // We need to check if this is the current client with 2103 // focus in the window manager, to allow this call to 2104 // be made before input is started in it. 2105 if (!mIWindowManager.inputMethodClientHasFocus(client)) { 2106 if (DEBUG) Slog.w(TAG, "Ignoring hideSoftInput of uid " 2107 + uid + ": " + client); 2108 return false; 2109 } 2110 } catch (RemoteException e) { 2111 return false; 2112 } 2113 } 2114 2115 if (DEBUG) Slog.v(TAG, "Client requesting input be hidden"); 2116 return hideCurrentInputLocked(flags, resultReceiver); 2117 } 2118 } finally { 2119 Binder.restoreCallingIdentity(ident); 2120 } 2121 } 2122 2123 boolean hideCurrentInputLocked(int flags, ResultReceiver resultReceiver) { 2124 if ((flags&InputMethodManager.HIDE_IMPLICIT_ONLY) != 0 2125 && (mShowExplicitlyRequested || mShowForced)) { 2126 if (DEBUG) Slog.v(TAG, "Not hiding: explicit show not cancelled by non-explicit hide"); 2127 return false; 2128 } 2129 if (mShowForced && (flags&InputMethodManager.HIDE_NOT_ALWAYS) != 0) { 2130 if (DEBUG) Slog.v(TAG, "Not hiding: forced show not cancelled by not-always hide"); 2131 return false; 2132 } 2133 2134 // There is a chance that IMM#hideSoftInput() is called in a transient state where 2135 // IMMS#InputShown is already updated to be true whereas IMMS#mImeWindowVis is still waiting 2136 // to be updated with the new value sent from IME process. Even in such a transient state 2137 // historically we have accepted an incoming call of IMM#hideSoftInput() from the 2138 // application process as a valid request, and have even promised such a behavior with CTS 2139 // since Android Eclair. That's why we need to accept IMM#hideSoftInput() even when only 2140 // IMMS#InputShown indicates that the software keyboard is shown. 2141 // TODO: Clean up, IMMS#mInputShown, IMMS#mImeWindowVis and mShowRequested. 2142 final boolean shouldHideSoftInput = (mCurMethod != null) && (mInputShown || 2143 (mImeWindowVis & InputMethodService.IME_ACTIVE) != 0); 2144 boolean res; 2145 if (shouldHideSoftInput) { 2146 // The IME will report its visible state again after the following message finally 2147 // delivered to the IME process as an IPC. Hence the inconsistency between 2148 // IMMS#mInputShown and IMMS#mImeWindowVis should be resolved spontaneously in 2149 // the final state. 2150 executeOrSendMessage(mCurMethod, mCaller.obtainMessageOO( 2151 MSG_HIDE_SOFT_INPUT, mCurMethod, resultReceiver)); 2152 res = true; 2153 } else { 2154 res = false; 2155 } 2156 if (mHaveConnection && mVisibleBound) { 2157 mContext.unbindService(mVisibleConnection); 2158 mVisibleBound = false; 2159 } 2160 mInputShown = false; 2161 mShowRequested = false; 2162 mShowExplicitlyRequested = false; 2163 mShowForced = false; 2164 return res; 2165 } 2166 2167 @Override 2168 public InputBindResult windowGainedFocus(IInputMethodClient client, IBinder windowToken, 2169 int controlFlags, int softInputMode, int windowFlags, 2170 EditorInfo attribute, IInputContext inputContext) { 2171 // Needs to check the validity before clearing calling identity 2172 final boolean calledFromValidUser = calledFromValidUser(); 2173 2174 InputBindResult res = null; 2175 long ident = Binder.clearCallingIdentity(); 2176 try { 2177 synchronized (mMethodMap) { 2178 if (DEBUG) Slog.v(TAG, "windowGainedFocus: " + client.asBinder() 2179 + " controlFlags=#" + Integer.toHexString(controlFlags) 2180 + " softInputMode=#" + Integer.toHexString(softInputMode) 2181 + " windowFlags=#" + Integer.toHexString(windowFlags)); 2182 2183 ClientState cs = mClients.get(client.asBinder()); 2184 if (cs == null) { 2185 throw new IllegalArgumentException("unknown client " 2186 + client.asBinder()); 2187 } 2188 2189 try { 2190 if (!mIWindowManager.inputMethodClientHasFocus(cs.client)) { 2191 // Check with the window manager to make sure this client actually 2192 // has a window with focus. If not, reject. This is thread safe 2193 // because if the focus changes some time before or after, the 2194 // next client receiving focus that has any interest in input will 2195 // be calling through here after that change happens. 2196 Slog.w(TAG, "Focus gain on non-focused client " + cs.client 2197 + " (uid=" + cs.uid + " pid=" + cs.pid + ")"); 2198 return null; 2199 } 2200 } catch (RemoteException e) { 2201 } 2202 2203 if (!calledFromValidUser) { 2204 Slog.w(TAG, "A background user is requesting window. Hiding IME."); 2205 Slog.w(TAG, "If you want to interect with IME, you need " 2206 + "android.permission.INTERACT_ACROSS_USERS_FULL"); 2207 hideCurrentInputLocked(0, null); 2208 return null; 2209 } 2210 2211 if (mCurFocusedWindow == windowToken) { 2212 Slog.w(TAG, "Window already focused, ignoring focus gain of: " + client 2213 + " attribute=" + attribute + ", token = " + windowToken); 2214 if (attribute != null) { 2215 return startInputUncheckedLocked(cs, inputContext, attribute, 2216 controlFlags); 2217 } 2218 return null; 2219 } 2220 mCurFocusedWindow = windowToken; 2221 2222 // Should we auto-show the IME even if the caller has not 2223 // specified what should be done with it? 2224 // We only do this automatically if the window can resize 2225 // to accommodate the IME (so what the user sees will give 2226 // them good context without input information being obscured 2227 // by the IME) or if running on a large screen where there 2228 // is more room for the target window + IME. 2229 final boolean doAutoShow = 2230 (softInputMode & WindowManager.LayoutParams.SOFT_INPUT_MASK_ADJUST) 2231 == WindowManager.LayoutParams.SOFT_INPUT_ADJUST_RESIZE 2232 || mRes.getConfiguration().isLayoutSizeAtLeast( 2233 Configuration.SCREENLAYOUT_SIZE_LARGE); 2234 final boolean isTextEditor = 2235 (controlFlags&InputMethodManager.CONTROL_WINDOW_IS_TEXT_EDITOR) != 0; 2236 2237 // We want to start input before showing the IME, but after closing 2238 // it. We want to do this after closing it to help the IME disappear 2239 // more quickly (not get stuck behind it initializing itself for the 2240 // new focused input, even if its window wants to hide the IME). 2241 boolean didStart = false; 2242 2243 switch (softInputMode&WindowManager.LayoutParams.SOFT_INPUT_MASK_STATE) { 2244 case WindowManager.LayoutParams.SOFT_INPUT_STATE_UNSPECIFIED: 2245 if (!isTextEditor || !doAutoShow) { 2246 if (WindowManager.LayoutParams.mayUseInputMethod(windowFlags)) { 2247 // There is no focus view, and this window will 2248 // be behind any soft input window, so hide the 2249 // soft input window if it is shown. 2250 if (DEBUG) Slog.v(TAG, "Unspecified window will hide input"); 2251 hideCurrentInputLocked(InputMethodManager.HIDE_NOT_ALWAYS, null); 2252 } 2253 } else if (isTextEditor && doAutoShow && (softInputMode & 2254 WindowManager.LayoutParams.SOFT_INPUT_IS_FORWARD_NAVIGATION) != 0) { 2255 // There is a focus view, and we are navigating forward 2256 // into the window, so show the input window for the user. 2257 // We only do this automatically if the window can resize 2258 // to accommodate the IME (so what the user sees will give 2259 // them good context without input information being obscured 2260 // by the IME) or if running on a large screen where there 2261 // is more room for the target window + IME. 2262 if (DEBUG) Slog.v(TAG, "Unspecified window will show input"); 2263 if (attribute != null) { 2264 res = startInputUncheckedLocked(cs, inputContext, attribute, 2265 controlFlags); 2266 didStart = true; 2267 } 2268 showCurrentInputLocked(InputMethodManager.SHOW_IMPLICIT, null); 2269 } 2270 break; 2271 case WindowManager.LayoutParams.SOFT_INPUT_STATE_UNCHANGED: 2272 // Do nothing. 2273 break; 2274 case WindowManager.LayoutParams.SOFT_INPUT_STATE_HIDDEN: 2275 if ((softInputMode & 2276 WindowManager.LayoutParams.SOFT_INPUT_IS_FORWARD_NAVIGATION) != 0) { 2277 if (DEBUG) Slog.v(TAG, "Window asks to hide input going forward"); 2278 hideCurrentInputLocked(0, null); 2279 } 2280 break; 2281 case WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_HIDDEN: 2282 if (DEBUG) Slog.v(TAG, "Window asks to hide input"); 2283 hideCurrentInputLocked(0, null); 2284 break; 2285 case WindowManager.LayoutParams.SOFT_INPUT_STATE_VISIBLE: 2286 if ((softInputMode & 2287 WindowManager.LayoutParams.SOFT_INPUT_IS_FORWARD_NAVIGATION) != 0) { 2288 if (DEBUG) Slog.v(TAG, "Window asks to show input going forward"); 2289 if (attribute != null) { 2290 res = startInputUncheckedLocked(cs, inputContext, attribute, 2291 controlFlags); 2292 didStart = true; 2293 } 2294 showCurrentInputLocked(InputMethodManager.SHOW_IMPLICIT, null); 2295 } 2296 break; 2297 case WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_VISIBLE: 2298 if (DEBUG) Slog.v(TAG, "Window asks to always show input"); 2299 if (attribute != null) { 2300 res = startInputUncheckedLocked(cs, inputContext, attribute, 2301 controlFlags); 2302 didStart = true; 2303 } 2304 showCurrentInputLocked(InputMethodManager.SHOW_IMPLICIT, null); 2305 break; 2306 } 2307 2308 if (!didStart && attribute != null) { 2309 res = startInputUncheckedLocked(cs, inputContext, attribute, 2310 controlFlags); 2311 } 2312 } 2313 } finally { 2314 Binder.restoreCallingIdentity(ident); 2315 } 2316 2317 return res; 2318 } 2319 2320 @Override 2321 public void showInputMethodPickerFromClient( 2322 IInputMethodClient client, int auxiliarySubtypeMode) { 2323 if (!calledFromValidUser()) { 2324 return; 2325 } 2326 synchronized (mMethodMap) { 2327 if (mCurClient == null || client == null 2328 || mCurClient.client.asBinder() != client.asBinder()) { 2329 Slog.w(TAG, "Ignoring showInputMethodPickerFromClient of uid " 2330 + Binder.getCallingUid() + ": " + client); 2331 } 2332 2333 // Always call subtype picker, because subtype picker is a superset of input method 2334 // picker. 2335 mHandler.sendMessage(mCaller.obtainMessageI( 2336 MSG_SHOW_IM_SUBTYPE_PICKER, auxiliarySubtypeMode)); 2337 } 2338 } 2339 2340 @Override 2341 public void setInputMethod(IBinder token, String id) { 2342 if (!calledFromValidUser()) { 2343 return; 2344 } 2345 setInputMethodWithSubtypeId(token, id, NOT_A_SUBTYPE_ID); 2346 } 2347 2348 @Override 2349 public void setInputMethodAndSubtype(IBinder token, String id, InputMethodSubtype subtype) { 2350 if (!calledFromValidUser()) { 2351 return; 2352 } 2353 synchronized (mMethodMap) { 2354 if (subtype != null) { 2355 setInputMethodWithSubtypeIdLocked(token, id, 2356 InputMethodUtils.getSubtypeIdFromHashCode(mMethodMap.get(id), 2357 subtype.hashCode())); 2358 } else { 2359 setInputMethod(token, id); 2360 } 2361 } 2362 } 2363 2364 @Override 2365 public void showInputMethodAndSubtypeEnablerFromClient( 2366 IInputMethodClient client, String inputMethodId) { 2367 if (!calledFromValidUser()) { 2368 return; 2369 } 2370 synchronized (mMethodMap) { 2371 if (mCurClient == null || client == null 2372 || mCurClient.client.asBinder() != client.asBinder()) { 2373 Slog.w(TAG, "Ignoring showInputMethodAndSubtypeEnablerFromClient of: " + client); 2374 } 2375 executeOrSendMessage(mCurMethod, mCaller.obtainMessageO( 2376 MSG_SHOW_IM_SUBTYPE_ENABLER, inputMethodId)); 2377 } 2378 } 2379 2380 @Override 2381 public boolean switchToLastInputMethod(IBinder token) { 2382 if (!calledFromValidUser()) { 2383 return false; 2384 } 2385 synchronized (mMethodMap) { 2386 final Pair<String, String> lastIme = mSettings.getLastInputMethodAndSubtypeLocked(); 2387 final InputMethodInfo lastImi; 2388 if (lastIme != null) { 2389 lastImi = mMethodMap.get(lastIme.first); 2390 } else { 2391 lastImi = null; 2392 } 2393 String targetLastImiId = null; 2394 int subtypeId = NOT_A_SUBTYPE_ID; 2395 if (lastIme != null && lastImi != null) { 2396 final boolean imiIdIsSame = lastImi.getId().equals(mCurMethodId); 2397 final int lastSubtypeHash = Integer.valueOf(lastIme.second); 2398 final int currentSubtypeHash = mCurrentSubtype == null ? NOT_A_SUBTYPE_ID 2399 : mCurrentSubtype.hashCode(); 2400 // If the last IME is the same as the current IME and the last subtype is not 2401 // defined, there is no need to switch to the last IME. 2402 if (!imiIdIsSame || lastSubtypeHash != currentSubtypeHash) { 2403 targetLastImiId = lastIme.first; 2404 subtypeId = InputMethodUtils.getSubtypeIdFromHashCode(lastImi, lastSubtypeHash); 2405 } 2406 } 2407 2408 if (TextUtils.isEmpty(targetLastImiId) 2409 && !InputMethodUtils.canAddToLastInputMethod(mCurrentSubtype)) { 2410 // This is a safety net. If the currentSubtype can't be added to the history 2411 // and the framework couldn't find the last ime, we will make the last ime be 2412 // the most applicable enabled keyboard subtype of the system imes. 2413 final List<InputMethodInfo> enabled = mSettings.getEnabledInputMethodListLocked(); 2414 if (enabled != null) { 2415 final int N = enabled.size(); 2416 final String locale = mCurrentSubtype == null 2417 ? mRes.getConfiguration().locale.toString() 2418 : mCurrentSubtype.getLocale(); 2419 for (int i = 0; i < N; ++i) { 2420 final InputMethodInfo imi = enabled.get(i); 2421 if (imi.getSubtypeCount() > 0 && InputMethodUtils.isSystemIme(imi)) { 2422 InputMethodSubtype keyboardSubtype = 2423 InputMethodUtils.findLastResortApplicableSubtypeLocked(mRes, 2424 InputMethodUtils.getSubtypes(imi), 2425 InputMethodUtils.SUBTYPE_MODE_KEYBOARD, locale, true); 2426 if (keyboardSubtype != null) { 2427 targetLastImiId = imi.getId(); 2428 subtypeId = InputMethodUtils.getSubtypeIdFromHashCode( 2429 imi, keyboardSubtype.hashCode()); 2430 if(keyboardSubtype.getLocale().equals(locale)) { 2431 break; 2432 } 2433 } 2434 } 2435 } 2436 } 2437 } 2438 2439 if (!TextUtils.isEmpty(targetLastImiId)) { 2440 if (DEBUG) { 2441 Slog.d(TAG, "Switch to: " + lastImi.getId() + ", " + lastIme.second 2442 + ", from: " + mCurMethodId + ", " + subtypeId); 2443 } 2444 setInputMethodWithSubtypeIdLocked(token, targetLastImiId, subtypeId); 2445 return true; 2446 } else { 2447 return false; 2448 } 2449 } 2450 } 2451 2452 @Override 2453 public boolean switchToNextInputMethod(IBinder token, boolean onlyCurrentIme) { 2454 if (!calledFromValidUser()) { 2455 return false; 2456 } 2457 synchronized (mMethodMap) { 2458 if (!calledWithValidToken(token)) { 2459 final int uid = Binder.getCallingUid(); 2460 Slog.e(TAG, "Ignoring switchToNextInputMethod due to an invalid token. uid:" + uid 2461 + " token:" + token); 2462 return false; 2463 } 2464 final ImeSubtypeListItem nextSubtype = mSwitchingController.getNextInputMethodLocked( 2465 onlyCurrentIme, mMethodMap.get(mCurMethodId), mCurrentSubtype); 2466 if (nextSubtype == null) { 2467 return false; 2468 } 2469 setInputMethodWithSubtypeIdLocked(token, nextSubtype.mImi.getId(), 2470 nextSubtype.mSubtypeId); 2471 return true; 2472 } 2473 } 2474 2475 @Override 2476 public boolean shouldOfferSwitchingToNextInputMethod(IBinder token) { 2477 if (!calledFromValidUser()) { 2478 return false; 2479 } 2480 synchronized (mMethodMap) { 2481 if (!calledWithValidToken(token)) { 2482 final int uid = Binder.getCallingUid(); 2483 Slog.e(TAG, "Ignoring shouldOfferSwitchingToNextInputMethod due to an invalid " 2484 + "token. uid:" + uid + " token:" + token); 2485 return false; 2486 } 2487 final ImeSubtypeListItem nextSubtype = mSwitchingController.getNextInputMethodLocked( 2488 false /* onlyCurrentIme */, mMethodMap.get(mCurMethodId), mCurrentSubtype); 2489 if (nextSubtype == null) { 2490 return false; 2491 } 2492 return true; 2493 } 2494 } 2495 2496 @Override 2497 public InputMethodSubtype getLastInputMethodSubtype() { 2498 if (!calledFromValidUser()) { 2499 return null; 2500 } 2501 synchronized (mMethodMap) { 2502 final Pair<String, String> lastIme = mSettings.getLastInputMethodAndSubtypeLocked(); 2503 // TODO: Handle the case of the last IME with no subtypes 2504 if (lastIme == null || TextUtils.isEmpty(lastIme.first) 2505 || TextUtils.isEmpty(lastIme.second)) return null; 2506 final InputMethodInfo lastImi = mMethodMap.get(lastIme.first); 2507 if (lastImi == null) return null; 2508 try { 2509 final int lastSubtypeHash = Integer.valueOf(lastIme.second); 2510 final int lastSubtypeId = 2511 InputMethodUtils.getSubtypeIdFromHashCode(lastImi, lastSubtypeHash); 2512 if (lastSubtypeId < 0 || lastSubtypeId >= lastImi.getSubtypeCount()) { 2513 return null; 2514 } 2515 return lastImi.getSubtypeAt(lastSubtypeId); 2516 } catch (NumberFormatException e) { 2517 return null; 2518 } 2519 } 2520 } 2521 2522 @Override 2523 public void setAdditionalInputMethodSubtypes(String imiId, InputMethodSubtype[] subtypes) { 2524 if (!calledFromValidUser()) { 2525 return; 2526 } 2527 // By this IPC call, only a process which shares the same uid with the IME can add 2528 // additional input method subtypes to the IME. 2529 if (TextUtils.isEmpty(imiId) || subtypes == null || subtypes.length == 0) return; 2530 synchronized (mMethodMap) { 2531 final InputMethodInfo imi = mMethodMap.get(imiId); 2532 if (imi == null) return; 2533 final String[] packageInfos; 2534 try { 2535 packageInfos = mIPackageManager.getPackagesForUid(Binder.getCallingUid()); 2536 } catch (RemoteException e) { 2537 Slog.e(TAG, "Failed to get package infos"); 2538 return; 2539 } 2540 if (packageInfos != null) { 2541 final int packageNum = packageInfos.length; 2542 for (int i = 0; i < packageNum; ++i) { 2543 if (packageInfos[i].equals(imi.getPackageName())) { 2544 mFileManager.addInputMethodSubtypes(imi, subtypes); 2545 final long ident = Binder.clearCallingIdentity(); 2546 try { 2547 buildInputMethodListLocked(mMethodList, mMethodMap, 2548 false /* resetDefaultEnabledIme */); 2549 } finally { 2550 Binder.restoreCallingIdentity(ident); 2551 } 2552 return; 2553 } 2554 } 2555 } 2556 } 2557 return; 2558 } 2559 2560 @Override 2561 public int getInputMethodWindowVisibleHeight() { 2562 return mWindowManagerService.getInputMethodWindowVisibleHeight(); 2563 } 2564 2565 @Override 2566 public void notifyUserAction(int sequenceNumber) { 2567 if (DEBUG) { 2568 Slog.d(TAG, "Got the notification of a user action. sequenceNumber:" + sequenceNumber); 2569 } 2570 synchronized (mMethodMap) { 2571 if (mCurUserActionNotificationSequenceNumber != sequenceNumber) { 2572 if (DEBUG) { 2573 Slog.d(TAG, "Ignoring the user action notification due to the sequence number " 2574 + "mismatch. expected:" + mCurUserActionNotificationSequenceNumber 2575 + " actual: " + sequenceNumber); 2576 } 2577 return; 2578 } 2579 final InputMethodInfo imi = mMethodMap.get(mCurMethodId); 2580 if (imi != null) { 2581 mSwitchingController.onUserActionLocked(imi, mCurrentSubtype); 2582 } 2583 } 2584 } 2585 2586 private void setInputMethodWithSubtypeId(IBinder token, String id, int subtypeId) { 2587 synchronized (mMethodMap) { 2588 setInputMethodWithSubtypeIdLocked(token, id, subtypeId); 2589 } 2590 } 2591 2592 private void setInputMethodWithSubtypeIdLocked(IBinder token, String id, int subtypeId) { 2593 if (token == null) { 2594 if (mContext.checkCallingOrSelfPermission( 2595 android.Manifest.permission.WRITE_SECURE_SETTINGS) 2596 != PackageManager.PERMISSION_GRANTED) { 2597 throw new SecurityException( 2598 "Using null token requires permission " 2599 + android.Manifest.permission.WRITE_SECURE_SETTINGS); 2600 } 2601 } else if (mCurToken != token) { 2602 Slog.w(TAG, "Ignoring setInputMethod of uid " + Binder.getCallingUid() 2603 + " token: " + token); 2604 return; 2605 } 2606 2607 final long ident = Binder.clearCallingIdentity(); 2608 try { 2609 setInputMethodLocked(id, subtypeId); 2610 } finally { 2611 Binder.restoreCallingIdentity(ident); 2612 } 2613 } 2614 2615 @Override 2616 public void hideMySoftInput(IBinder token, int flags) { 2617 if (!calledFromValidUser()) { 2618 return; 2619 } 2620 synchronized (mMethodMap) { 2621 if (!calledWithValidToken(token)) { 2622 final int uid = Binder.getCallingUid(); 2623 Slog.e(TAG, "Ignoring hideInputMethod due to an invalid token. uid:" 2624 + uid + " token:" + token); 2625 return; 2626 } 2627 long ident = Binder.clearCallingIdentity(); 2628 try { 2629 hideCurrentInputLocked(flags, null); 2630 } finally { 2631 Binder.restoreCallingIdentity(ident); 2632 } 2633 } 2634 } 2635 2636 @Override 2637 public void showMySoftInput(IBinder token, int flags) { 2638 if (!calledFromValidUser()) { 2639 return; 2640 } 2641 synchronized (mMethodMap) { 2642 if (!calledWithValidToken(token)) { 2643 final int uid = Binder.getCallingUid(); 2644 Slog.e(TAG, "Ignoring showMySoftInput due to an invalid token. uid:" 2645 + uid + " token:" + token); 2646 return; 2647 } 2648 long ident = Binder.clearCallingIdentity(); 2649 try { 2650 showCurrentInputLocked(flags, null); 2651 } finally { 2652 Binder.restoreCallingIdentity(ident); 2653 } 2654 } 2655 } 2656 2657 void setEnabledSessionInMainThread(SessionState session) { 2658 if (mEnabledSession != session) { 2659 if (mEnabledSession != null && mEnabledSession.session != null) { 2660 try { 2661 if (DEBUG) Slog.v(TAG, "Disabling: " + mEnabledSession); 2662 mEnabledSession.method.setSessionEnabled(mEnabledSession.session, false); 2663 } catch (RemoteException e) { 2664 } 2665 } 2666 mEnabledSession = session; 2667 if (mEnabledSession != null && mEnabledSession.session != null) { 2668 try { 2669 if (DEBUG) Slog.v(TAG, "Enabling: " + mEnabledSession); 2670 mEnabledSession.method.setSessionEnabled(mEnabledSession.session, true); 2671 } catch (RemoteException e) { 2672 } 2673 } 2674 } 2675 } 2676 2677 @Override 2678 public boolean handleMessage(Message msg) { 2679 SomeArgs args; 2680 switch (msg.what) { 2681 case MSG_SHOW_IM_SUBTYPE_PICKER: 2682 final boolean showAuxSubtypes; 2683 switch (msg.arg1) { 2684 case InputMethodManager.SHOW_IM_PICKER_MODE_AUTO: 2685 // This is undocumented so far, but IMM#showInputMethodPicker() has been 2686 // implemented so that auxiliary subtypes will be excluded when the soft 2687 // keyboard is invisible. 2688 showAuxSubtypes = mInputShown; 2689 break; 2690 case InputMethodManager.SHOW_IM_PICKER_MODE_INCLUDE_AUXILIARY_SUBTYPES: 2691 showAuxSubtypes = true; 2692 break; 2693 case InputMethodManager.SHOW_IM_PICKER_MODE_EXCLUDE_AUXILIARY_SUBTYPES: 2694 showAuxSubtypes = false; 2695 break; 2696 default: 2697 Slog.e(TAG, "Unknown subtype picker mode = " + msg.arg1); 2698 return false; 2699 } 2700 showInputMethodMenu(showAuxSubtypes); 2701 return true; 2702 2703 case MSG_SHOW_IM_SUBTYPE_ENABLER: 2704 args = (SomeArgs)msg.obj; 2705 showInputMethodAndSubtypeEnabler((String)args.arg1); 2706 args.recycle(); 2707 return true; 2708 2709 case MSG_SHOW_IM_CONFIG: 2710 showConfigureInputMethods(); 2711 return true; 2712 2713 // --------------------------------------------------------- 2714 2715 case MSG_UNBIND_INPUT: 2716 try { 2717 ((IInputMethod)msg.obj).unbindInput(); 2718 } catch (RemoteException e) { 2719 // There is nothing interesting about the method dying. 2720 } 2721 return true; 2722 case MSG_BIND_INPUT: 2723 args = (SomeArgs)msg.obj; 2724 try { 2725 ((IInputMethod)args.arg1).bindInput((InputBinding)args.arg2); 2726 } catch (RemoteException e) { 2727 } 2728 args.recycle(); 2729 return true; 2730 case MSG_SHOW_SOFT_INPUT: 2731 args = (SomeArgs)msg.obj; 2732 try { 2733 if (DEBUG) Slog.v(TAG, "Calling " + args.arg1 + ".showSoftInput(" 2734 + msg.arg1 + ", " + args.arg2 + ")"); 2735 ((IInputMethod)args.arg1).showSoftInput(msg.arg1, (ResultReceiver)args.arg2); 2736 } catch (RemoteException e) { 2737 } 2738 args.recycle(); 2739 return true; 2740 case MSG_HIDE_SOFT_INPUT: 2741 args = (SomeArgs)msg.obj; 2742 try { 2743 if (DEBUG) Slog.v(TAG, "Calling " + args.arg1 + ".hideSoftInput(0, " 2744 + args.arg2 + ")"); 2745 ((IInputMethod)args.arg1).hideSoftInput(0, (ResultReceiver)args.arg2); 2746 } catch (RemoteException e) { 2747 } 2748 args.recycle(); 2749 return true; 2750 case MSG_ATTACH_TOKEN: 2751 args = (SomeArgs)msg.obj; 2752 try { 2753 if (DEBUG) Slog.v(TAG, "Sending attach of token: " + args.arg2); 2754 ((IInputMethod)args.arg1).attachToken((IBinder)args.arg2); 2755 } catch (RemoteException e) { 2756 } 2757 args.recycle(); 2758 return true; 2759 case MSG_CREATE_SESSION: { 2760 args = (SomeArgs)msg.obj; 2761 IInputMethod method = (IInputMethod)args.arg1; 2762 InputChannel channel = (InputChannel)args.arg2; 2763 try { 2764 method.createSession(channel, (IInputSessionCallback)args.arg3); 2765 } catch (RemoteException e) { 2766 } finally { 2767 // Dispose the channel if the input method is not local to this process 2768 // because the remote proxy will get its own copy when unparceled. 2769 if (channel != null && Binder.isProxy(method)) { 2770 channel.dispose(); 2771 } 2772 } 2773 args.recycle(); 2774 return true; 2775 } 2776 // --------------------------------------------------------- 2777 2778 case MSG_START_INPUT: 2779 args = (SomeArgs)msg.obj; 2780 try { 2781 SessionState session = (SessionState)args.arg1; 2782 setEnabledSessionInMainThread(session); 2783 session.method.startInput((IInputContext)args.arg2, 2784 (EditorInfo)args.arg3); 2785 } catch (RemoteException e) { 2786 } 2787 args.recycle(); 2788 return true; 2789 case MSG_RESTART_INPUT: 2790 args = (SomeArgs)msg.obj; 2791 try { 2792 SessionState session = (SessionState)args.arg1; 2793 setEnabledSessionInMainThread(session); 2794 session.method.restartInput((IInputContext)args.arg2, 2795 (EditorInfo)args.arg3); 2796 } catch (RemoteException e) { 2797 } 2798 args.recycle(); 2799 return true; 2800 2801 // --------------------------------------------------------- 2802 2803 case MSG_UNBIND_METHOD: 2804 try { 2805 ((IInputMethodClient)msg.obj).onUnbindMethod(msg.arg1); 2806 } catch (RemoteException e) { 2807 // There is nothing interesting about the last client dying. 2808 } 2809 return true; 2810 case MSG_BIND_METHOD: { 2811 args = (SomeArgs)msg.obj; 2812 IInputMethodClient client = (IInputMethodClient)args.arg1; 2813 InputBindResult res = (InputBindResult)args.arg2; 2814 try { 2815 client.onBindMethod(res); 2816 } catch (RemoteException e) { 2817 Slog.w(TAG, "Client died receiving input method " + args.arg2); 2818 } finally { 2819 // Dispose the channel if the input method is not local to this process 2820 // because the remote proxy will get its own copy when unparceled. 2821 if (res.channel != null && Binder.isProxy(client)) { 2822 res.channel.dispose(); 2823 } 2824 } 2825 args.recycle(); 2826 return true; 2827 } 2828 case MSG_SET_ACTIVE: 2829 try { 2830 ((ClientState)msg.obj).client.setActive(msg.arg1 != 0); 2831 } catch (RemoteException e) { 2832 Slog.w(TAG, "Got RemoteException sending setActive(false) notification to pid " 2833 + ((ClientState)msg.obj).pid + " uid " 2834 + ((ClientState)msg.obj).uid); 2835 } 2836 return true; 2837 case MSG_SET_INTERACTIVE: 2838 handleSetInteractive(msg.arg1 != 0); 2839 return true; 2840 case MSG_SET_USER_ACTION_NOTIFICATION_SEQUENCE_NUMBER: { 2841 final int sequenceNumber = msg.arg1; 2842 final ClientState clientState = (ClientState)msg.obj; 2843 try { 2844 clientState.client.setUserActionNotificationSequenceNumber(sequenceNumber); 2845 } catch (RemoteException e) { 2846 Slog.w(TAG, "Got RemoteException sending " 2847 + "setUserActionNotificationSequenceNumber(" 2848 + sequenceNumber + ") notification to pid " 2849 + clientState.pid + " uid " 2850 + clientState.uid); 2851 } 2852 return true; 2853 } 2854 2855 // -------------------------------------------------------------- 2856 case MSG_HARD_KEYBOARD_SWITCH_CHANGED: 2857 mHardKeyboardListener.handleHardKeyboardStatusChange(msg.arg1 == 1); 2858 return true; 2859 } 2860 return false; 2861 } 2862 2863 private void handleSetInteractive(final boolean interactive) { 2864 synchronized (mMethodMap) { 2865 mIsInteractive = interactive; 2866 updateSystemUiLocked(mCurToken, interactive ? mImeWindowVis : 0, mBackDisposition); 2867 2868 // Inform the current client of the change in active status 2869 if (mCurClient != null && mCurClient.client != null) { 2870 executeOrSendMessage(mCurClient.client, mCaller.obtainMessageIO( 2871 MSG_SET_ACTIVE, mIsInteractive ? 1 : 0, mCurClient)); 2872 } 2873 } 2874 } 2875 2876 private boolean chooseNewDefaultIMELocked() { 2877 final InputMethodInfo imi = InputMethodUtils.getMostApplicableDefaultIME( 2878 mSettings.getEnabledInputMethodListLocked()); 2879 if (imi != null) { 2880 if (DEBUG) { 2881 Slog.d(TAG, "New default IME was selected: " + imi.getId()); 2882 } 2883 resetSelectedInputMethodAndSubtypeLocked(imi.getId()); 2884 return true; 2885 } 2886 2887 return false; 2888 } 2889 2890 void buildInputMethodListLocked(ArrayList<InputMethodInfo> list, 2891 HashMap<String, InputMethodInfo> map, boolean resetDefaultEnabledIme) { 2892 if (DEBUG) { 2893 Slog.d(TAG, "--- re-buildInputMethodList reset = " + resetDefaultEnabledIme 2894 + " \n ------ \n" + InputMethodUtils.getStackTrace()); 2895 } 2896 list.clear(); 2897 map.clear(); 2898 2899 // Use for queryIntentServicesAsUser 2900 final PackageManager pm = mContext.getPackageManager(); 2901 String disabledSysImes = mSettings.getDisabledSystemInputMethods(); 2902 if (disabledSysImes == null) disabledSysImes = ""; 2903 2904 final List<ResolveInfo> services = pm.queryIntentServicesAsUser( 2905 new Intent(InputMethod.SERVICE_INTERFACE), 2906 PackageManager.GET_META_DATA | PackageManager.GET_DISABLED_UNTIL_USED_COMPONENTS, 2907 mSettings.getCurrentUserId()); 2908 2909 final HashMap<String, List<InputMethodSubtype>> additionalSubtypes = 2910 mFileManager.getAllAdditionalInputMethodSubtypes(); 2911 for (int i = 0; i < services.size(); ++i) { 2912 ResolveInfo ri = services.get(i); 2913 ServiceInfo si = ri.serviceInfo; 2914 ComponentName compName = new ComponentName(si.packageName, si.name); 2915 if (!android.Manifest.permission.BIND_INPUT_METHOD.equals( 2916 si.permission)) { 2917 Slog.w(TAG, "Skipping input method " + compName 2918 + ": it does not require the permission " 2919 + android.Manifest.permission.BIND_INPUT_METHOD); 2920 continue; 2921 } 2922 2923 if (DEBUG) Slog.d(TAG, "Checking " + compName); 2924 2925 try { 2926 InputMethodInfo p = new InputMethodInfo(mContext, ri, additionalSubtypes); 2927 list.add(p); 2928 final String id = p.getId(); 2929 map.put(id, p); 2930 2931 if (DEBUG) { 2932 Slog.d(TAG, "Found an input method " + p); 2933 } 2934 2935 } catch (XmlPullParserException e) { 2936 Slog.w(TAG, "Unable to load input method " + compName, e); 2937 } catch (IOException e) { 2938 Slog.w(TAG, "Unable to load input method " + compName, e); 2939 } 2940 } 2941 2942 if (resetDefaultEnabledIme) { 2943 final ArrayList<InputMethodInfo> defaultEnabledIme = 2944 InputMethodUtils.getDefaultEnabledImes(mContext, mSystemReady, list); 2945 for (int i = 0; i < defaultEnabledIme.size(); ++i) { 2946 final InputMethodInfo imi = defaultEnabledIme.get(i); 2947 if (DEBUG) { 2948 Slog.d(TAG, "--- enable ime = " + imi); 2949 } 2950 setInputMethodEnabledLocked(imi.getId(), true); 2951 } 2952 } 2953 2954 final String defaultImiId = mSettings.getSelectedInputMethod(); 2955 if (!TextUtils.isEmpty(defaultImiId)) { 2956 if (!map.containsKey(defaultImiId)) { 2957 Slog.w(TAG, "Default IME is uninstalled. Choose new default IME."); 2958 if (chooseNewDefaultIMELocked()) { 2959 updateInputMethodsFromSettingsLocked(true); 2960 } 2961 } else { 2962 // Double check that the default IME is certainly enabled. 2963 setInputMethodEnabledLocked(defaultImiId, true); 2964 } 2965 } 2966 // Here is not the perfect place to reset the switching controller. Ideally 2967 // mSwitchingController and mSettings should be able to share the same state. 2968 // TODO: Make sure that mSwitchingController and mSettings are sharing the 2969 // the same enabled IMEs list. 2970 mSwitchingController.resetCircularListLocked(mContext); 2971 } 2972 2973 // ---------------------------------------------------------------------- 2974 2975 private void showInputMethodAndSubtypeEnabler(String inputMethodId) { 2976 Intent intent = new Intent(Settings.ACTION_INPUT_METHOD_SUBTYPE_SETTINGS); 2977 intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK 2978 | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED 2979 | Intent.FLAG_ACTIVITY_CLEAR_TOP); 2980 if (!TextUtils.isEmpty(inputMethodId)) { 2981 intent.putExtra(Settings.EXTRA_INPUT_METHOD_ID, inputMethodId); 2982 } 2983 mContext.startActivityAsUser(intent, null, UserHandle.CURRENT); 2984 } 2985 2986 private void showConfigureInputMethods() { 2987 Intent intent = new Intent(Settings.ACTION_INPUT_METHOD_SETTINGS); 2988 intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK 2989 | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED 2990 | Intent.FLAG_ACTIVITY_CLEAR_TOP); 2991 mContext.startActivityAsUser(intent, null, UserHandle.CURRENT); 2992 } 2993 2994 private boolean isScreenLocked() { 2995 return mKeyguardManager != null 2996 && mKeyguardManager.isKeyguardLocked() && mKeyguardManager.isKeyguardSecure(); 2997 } 2998 2999 private void showInputMethodMenu(boolean showAuxSubtypes) { 3000 if (DEBUG) Slog.v(TAG, "Show switching menu. showAuxSubtypes=" + showAuxSubtypes); 3001 3002 final Context context = mContext; 3003 final boolean isScreenLocked = isScreenLocked(); 3004 3005 final String lastInputMethodId = mSettings.getSelectedInputMethod(); 3006 int lastInputMethodSubtypeId = mSettings.getSelectedInputMethodSubtypeId(lastInputMethodId); 3007 if (DEBUG) Slog.v(TAG, "Current IME: " + lastInputMethodId); 3008 3009 synchronized (mMethodMap) { 3010 final HashMap<InputMethodInfo, List<InputMethodSubtype>> immis = 3011 mSettings.getExplicitlyOrImplicitlyEnabledInputMethodsAndSubtypeListLocked( 3012 mContext); 3013 if (immis == null || immis.size() == 0) { 3014 return; 3015 } 3016 3017 hideInputMethodMenuLocked(); 3018 3019 final List<ImeSubtypeListItem> imList = 3020 mSwitchingController.getSortedInputMethodAndSubtypeListLocked( 3021 true /* showSubtypes */, showAuxSubtypes, isScreenLocked); 3022 3023 if (lastInputMethodSubtypeId == NOT_A_SUBTYPE_ID) { 3024 final InputMethodSubtype currentSubtype = getCurrentInputMethodSubtypeLocked(); 3025 if (currentSubtype != null) { 3026 final InputMethodInfo currentImi = mMethodMap.get(mCurMethodId); 3027 lastInputMethodSubtypeId = InputMethodUtils.getSubtypeIdFromHashCode( 3028 currentImi, currentSubtype.hashCode()); 3029 } 3030 } 3031 3032 final int N = imList.size(); 3033 mIms = new InputMethodInfo[N]; 3034 mSubtypeIds = new int[N]; 3035 int checkedItem = 0; 3036 for (int i = 0; i < N; ++i) { 3037 final ImeSubtypeListItem item = imList.get(i); 3038 mIms[i] = item.mImi; 3039 mSubtypeIds[i] = item.mSubtypeId; 3040 if (mIms[i].getId().equals(lastInputMethodId)) { 3041 int subtypeId = mSubtypeIds[i]; 3042 if ((subtypeId == NOT_A_SUBTYPE_ID) 3043 || (lastInputMethodSubtypeId == NOT_A_SUBTYPE_ID && subtypeId == 0) 3044 || (subtypeId == lastInputMethodSubtypeId)) { 3045 checkedItem = i; 3046 } 3047 } 3048 } 3049 3050 final Context settingsContext = new ContextThemeWrapper(context, 3051 com.android.internal.R.style.Theme_DeviceDefault_Settings); 3052 3053 mDialogBuilder = new AlertDialog.Builder(settingsContext); 3054 mDialogBuilder.setOnCancelListener(new OnCancelListener() { 3055 @Override 3056 public void onCancel(DialogInterface dialog) { 3057 hideInputMethodMenu(); 3058 } 3059 }); 3060 3061 final Context dialogContext = mDialogBuilder.getContext(); 3062 final TypedArray a = dialogContext.obtainStyledAttributes(null, 3063 com.android.internal.R.styleable.DialogPreference, 3064 com.android.internal.R.attr.alertDialogStyle, 0); 3065 final Drawable dialogIcon = a.getDrawable( 3066 com.android.internal.R.styleable.DialogPreference_dialogIcon); 3067 a.recycle(); 3068 3069 mDialogBuilder.setIcon(dialogIcon); 3070 3071 final LayoutInflater inflater = (LayoutInflater) dialogContext.getSystemService( 3072 Context.LAYOUT_INFLATER_SERVICE); 3073 final View tv = inflater.inflate( 3074 com.android.internal.R.layout.input_method_switch_dialog_title, null); 3075 mDialogBuilder.setCustomTitle(tv); 3076 3077 // Setup layout for a toggle switch of the hardware keyboard 3078 mSwitchingDialogTitleView = tv; 3079 mSwitchingDialogTitleView 3080 .findViewById(com.android.internal.R.id.hard_keyboard_section) 3081 .setVisibility(mWindowManagerService.isHardKeyboardAvailable() 3082 ? View.VISIBLE : View.GONE); 3083 final Switch hardKeySwitch = (Switch) mSwitchingDialogTitleView.findViewById( 3084 com.android.internal.R.id.hard_keyboard_switch); 3085 hardKeySwitch.setChecked(mShowImeWithHardKeyboard); 3086 hardKeySwitch.setOnCheckedChangeListener(new OnCheckedChangeListener() { 3087 @Override 3088 public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) { 3089 mSettings.setShowImeWithHardKeyboard(isChecked); 3090 // Ensure that the input method dialog is dismissed when changing 3091 // the hardware keyboard state. 3092 hideInputMethodMenu(); 3093 } 3094 }); 3095 3096 final ImeSubtypeListAdapter adapter = new ImeSubtypeListAdapter(dialogContext, 3097 com.android.internal.R.layout.input_method_switch_item, imList, checkedItem); 3098 final OnClickListener choiceListener = new OnClickListener() { 3099 @Override 3100 public void onClick(final DialogInterface dialog, final int which) { 3101 synchronized (mMethodMap) { 3102 if (mIms == null || mIms.length <= which || mSubtypeIds == null 3103 || mSubtypeIds.length <= which) { 3104 return; 3105 } 3106 final InputMethodInfo im = mIms[which]; 3107 int subtypeId = mSubtypeIds[which]; 3108 adapter.mCheckedItem = which; 3109 adapter.notifyDataSetChanged(); 3110 hideInputMethodMenu(); 3111 if (im != null) { 3112 if (subtypeId < 0 || subtypeId >= im.getSubtypeCount()) { 3113 subtypeId = NOT_A_SUBTYPE_ID; 3114 } 3115 setInputMethodLocked(im.getId(), subtypeId); 3116 } 3117 } 3118 } 3119 }; 3120 mDialogBuilder.setSingleChoiceItems(adapter, checkedItem, choiceListener); 3121 3122 if (!isScreenLocked) { 3123 final OnClickListener positiveListener = new OnClickListener() { 3124 @Override 3125 public void onClick(DialogInterface dialog, int whichButton) { 3126 showConfigureInputMethods(); 3127 } 3128 }; 3129 mDialogBuilder.setPositiveButton( 3130 com.android.internal.R.string.configure_input_methods, positiveListener); 3131 } 3132 mSwitchingDialog = mDialogBuilder.create(); 3133 mSwitchingDialog.setCanceledOnTouchOutside(true); 3134 mSwitchingDialog.getWindow().setType( 3135 WindowManager.LayoutParams.TYPE_INPUT_METHOD_DIALOG); 3136 mSwitchingDialog.getWindow().getAttributes().privateFlags |= 3137 WindowManager.LayoutParams.PRIVATE_FLAG_SHOW_FOR_ALL_USERS; 3138 mSwitchingDialog.getWindow().getAttributes().setTitle("Select input method"); 3139 updateSystemUi(mCurToken, mImeWindowVis, mBackDisposition); 3140 mSwitchingDialog.show(); 3141 } 3142 } 3143 3144 private static class ImeSubtypeListAdapter extends ArrayAdapter<ImeSubtypeListItem> { 3145 private final LayoutInflater mInflater; 3146 private final int mTextViewResourceId; 3147 private final List<ImeSubtypeListItem> mItemsList; 3148 public int mCheckedItem; 3149 public ImeSubtypeListAdapter(Context context, int textViewResourceId, 3150 List<ImeSubtypeListItem> itemsList, int checkedItem) { 3151 super(context, textViewResourceId, itemsList); 3152 3153 mTextViewResourceId = textViewResourceId; 3154 mItemsList = itemsList; 3155 mCheckedItem = checkedItem; 3156 mInflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE); 3157 } 3158 3159 @Override 3160 public View getView(int position, View convertView, ViewGroup parent) { 3161 final View view = convertView != null ? convertView 3162 : mInflater.inflate(mTextViewResourceId, null); 3163 if (position < 0 || position >= mItemsList.size()) return view; 3164 final ImeSubtypeListItem item = mItemsList.get(position); 3165 final CharSequence imeName = item.mImeName; 3166 final CharSequence subtypeName = item.mSubtypeName; 3167 final TextView firstTextView = (TextView)view.findViewById(android.R.id.text1); 3168 final TextView secondTextView = (TextView)view.findViewById(android.R.id.text2); 3169 if (TextUtils.isEmpty(subtypeName)) { 3170 firstTextView.setText(imeName); 3171 secondTextView.setVisibility(View.GONE); 3172 } else { 3173 firstTextView.setText(subtypeName); 3174 secondTextView.setText(imeName); 3175 secondTextView.setVisibility(View.VISIBLE); 3176 } 3177 final RadioButton radioButton = 3178 (RadioButton)view.findViewById(com.android.internal.R.id.radio); 3179 radioButton.setChecked(position == mCheckedItem); 3180 return view; 3181 } 3182 } 3183 3184 void hideInputMethodMenu() { 3185 synchronized (mMethodMap) { 3186 hideInputMethodMenuLocked(); 3187 } 3188 } 3189 3190 void hideInputMethodMenuLocked() { 3191 if (DEBUG) Slog.v(TAG, "Hide switching menu"); 3192 3193 if (mSwitchingDialog != null) { 3194 mSwitchingDialog.dismiss(); 3195 mSwitchingDialog = null; 3196 } 3197 3198 updateSystemUiLocked(mCurToken, mImeWindowVis, mBackDisposition); 3199 mDialogBuilder = null; 3200 mIms = null; 3201 } 3202 3203 // ---------------------------------------------------------------------- 3204 3205 @Override 3206 public boolean setInputMethodEnabled(String id, boolean enabled) { 3207 // TODO: Make this work even for non-current users? 3208 if (!calledFromValidUser()) { 3209 return false; 3210 } 3211 synchronized (mMethodMap) { 3212 if (mContext.checkCallingOrSelfPermission( 3213 android.Manifest.permission.WRITE_SECURE_SETTINGS) 3214 != PackageManager.PERMISSION_GRANTED) { 3215 throw new SecurityException( 3216 "Requires permission " 3217 + android.Manifest.permission.WRITE_SECURE_SETTINGS); 3218 } 3219 3220 long ident = Binder.clearCallingIdentity(); 3221 try { 3222 return setInputMethodEnabledLocked(id, enabled); 3223 } finally { 3224 Binder.restoreCallingIdentity(ident); 3225 } 3226 } 3227 } 3228 3229 boolean setInputMethodEnabledLocked(String id, boolean enabled) { 3230 // Make sure this is a valid input method. 3231 InputMethodInfo imm = mMethodMap.get(id); 3232 if (imm == null) { 3233 throw new IllegalArgumentException("Unknown id: " + mCurMethodId); 3234 } 3235 3236 List<Pair<String, ArrayList<String>>> enabledInputMethodsList = mSettings 3237 .getEnabledInputMethodsAndSubtypeListLocked(); 3238 3239 if (enabled) { 3240 for (Pair<String, ArrayList<String>> pair: enabledInputMethodsList) { 3241 if (pair.first.equals(id)) { 3242 // We are enabling this input method, but it is already enabled. 3243 // Nothing to do. The previous state was enabled. 3244 return true; 3245 } 3246 } 3247 mSettings.appendAndPutEnabledInputMethodLocked(id, false); 3248 // Previous state was disabled. 3249 return false; 3250 } else { 3251 StringBuilder builder = new StringBuilder(); 3252 if (mSettings.buildAndPutEnabledInputMethodsStrRemovingIdLocked( 3253 builder, enabledInputMethodsList, id)) { 3254 // Disabled input method is currently selected, switch to another one. 3255 final String selId = mSettings.getSelectedInputMethod(); 3256 if (id.equals(selId) && !chooseNewDefaultIMELocked()) { 3257 Slog.i(TAG, "Can't find new IME, unsetting the current input method."); 3258 resetSelectedInputMethodAndSubtypeLocked(""); 3259 } 3260 // Previous state was enabled. 3261 return true; 3262 } else { 3263 // We are disabling the input method but it is already disabled. 3264 // Nothing to do. The previous state was disabled. 3265 return false; 3266 } 3267 } 3268 } 3269 3270 private void setSelectedInputMethodAndSubtypeLocked(InputMethodInfo imi, int subtypeId, 3271 boolean setSubtypeOnly) { 3272 // Update the history of InputMethod and Subtype 3273 mSettings.saveCurrentInputMethodAndSubtypeToHistory(mCurMethodId, mCurrentSubtype); 3274 3275 mCurUserActionNotificationSequenceNumber = 3276 Math.max(mCurUserActionNotificationSequenceNumber + 1, 1); 3277 if (DEBUG) { 3278 Slog.d(TAG, "Bump mCurUserActionNotificationSequenceNumber:" 3279 + mCurUserActionNotificationSequenceNumber); 3280 } 3281 3282 if (mCurClient != null && mCurClient.client != null) { 3283 executeOrSendMessage(mCurClient.client, mCaller.obtainMessageIO( 3284 MSG_SET_USER_ACTION_NOTIFICATION_SEQUENCE_NUMBER, 3285 mCurUserActionNotificationSequenceNumber, mCurClient)); 3286 } 3287 3288 // Set Subtype here 3289 if (imi == null || subtypeId < 0) { 3290 mSettings.putSelectedSubtype(NOT_A_SUBTYPE_ID); 3291 mCurrentSubtype = null; 3292 } else { 3293 if (subtypeId < imi.getSubtypeCount()) { 3294 InputMethodSubtype subtype = imi.getSubtypeAt(subtypeId); 3295 mSettings.putSelectedSubtype(subtype.hashCode()); 3296 mCurrentSubtype = subtype; 3297 } else { 3298 mSettings.putSelectedSubtype(NOT_A_SUBTYPE_ID); 3299 // If the subtype is not specified, choose the most applicable one 3300 mCurrentSubtype = getCurrentInputMethodSubtypeLocked(); 3301 } 3302 } 3303 3304 // Workaround. 3305 // ASEC is not ready in the IMMS constructor. Accordingly, forward-locked 3306 // IMEs are not recognized and considered uninstalled. 3307 // Actually, we can't move everything after SystemReady because 3308 // IMMS needs to run in the encryption lock screen. So, we just skip changing 3309 // the default IME here and try cheking the default IME again in systemReady(). 3310 // TODO: Do nothing before system ready and implement a separated logic for 3311 // the encryption lock screen. 3312 // TODO: ASEC should be ready before IMMS is instantiated. 3313 if (mSystemReady && !setSubtypeOnly) { 3314 // Set InputMethod here 3315 mSettings.putSelectedInputMethod(imi != null ? imi.getId() : ""); 3316 } 3317 } 3318 3319 private void resetSelectedInputMethodAndSubtypeLocked(String newDefaultIme) { 3320 InputMethodInfo imi = mMethodMap.get(newDefaultIme); 3321 int lastSubtypeId = NOT_A_SUBTYPE_ID; 3322 // newDefaultIme is empty when there is no candidate for the selected IME. 3323 if (imi != null && !TextUtils.isEmpty(newDefaultIme)) { 3324 String subtypeHashCode = mSettings.getLastSubtypeForInputMethodLocked(newDefaultIme); 3325 if (subtypeHashCode != null) { 3326 try { 3327 lastSubtypeId = InputMethodUtils.getSubtypeIdFromHashCode( 3328 imi, Integer.valueOf(subtypeHashCode)); 3329 } catch (NumberFormatException e) { 3330 Slog.w(TAG, "HashCode for subtype looks broken: " + subtypeHashCode, e); 3331 } 3332 } 3333 } 3334 setSelectedInputMethodAndSubtypeLocked(imi, lastSubtypeId, false); 3335 } 3336 3337 // If there are no selected shortcuts, tries finding the most applicable ones. 3338 private Pair<InputMethodInfo, InputMethodSubtype> 3339 findLastResortApplicableShortcutInputMethodAndSubtypeLocked(String mode) { 3340 List<InputMethodInfo> imis = mSettings.getEnabledInputMethodListLocked(); 3341 InputMethodInfo mostApplicableIMI = null; 3342 InputMethodSubtype mostApplicableSubtype = null; 3343 boolean foundInSystemIME = false; 3344 3345 // Search applicable subtype for each InputMethodInfo 3346 for (InputMethodInfo imi: imis) { 3347 final String imiId = imi.getId(); 3348 if (foundInSystemIME && !imiId.equals(mCurMethodId)) { 3349 continue; 3350 } 3351 InputMethodSubtype subtype = null; 3352 final List<InputMethodSubtype> enabledSubtypes = 3353 mSettings.getEnabledInputMethodSubtypeListLocked(mContext, imi, true); 3354 // 1. Search by the current subtype's locale from enabledSubtypes. 3355 if (mCurrentSubtype != null) { 3356 subtype = InputMethodUtils.findLastResortApplicableSubtypeLocked( 3357 mRes, enabledSubtypes, mode, mCurrentSubtype.getLocale(), false); 3358 } 3359 // 2. Search by the system locale from enabledSubtypes. 3360 // 3. Search the first enabled subtype matched with mode from enabledSubtypes. 3361 if (subtype == null) { 3362 subtype = InputMethodUtils.findLastResortApplicableSubtypeLocked( 3363 mRes, enabledSubtypes, mode, null, true); 3364 } 3365 final ArrayList<InputMethodSubtype> overridingImplicitlyEnabledSubtypes = 3366 InputMethodUtils.getOverridingImplicitlyEnabledSubtypes(imi, mode); 3367 final ArrayList<InputMethodSubtype> subtypesForSearch = 3368 overridingImplicitlyEnabledSubtypes.isEmpty() 3369 ? InputMethodUtils.getSubtypes(imi) 3370 : overridingImplicitlyEnabledSubtypes; 3371 // 4. Search by the current subtype's locale from all subtypes. 3372 if (subtype == null && mCurrentSubtype != null) { 3373 subtype = InputMethodUtils.findLastResortApplicableSubtypeLocked( 3374 mRes, subtypesForSearch, mode, mCurrentSubtype.getLocale(), false); 3375 } 3376 // 5. Search by the system locale from all subtypes. 3377 // 6. Search the first enabled subtype matched with mode from all subtypes. 3378 if (subtype == null) { 3379 subtype = InputMethodUtils.findLastResortApplicableSubtypeLocked( 3380 mRes, subtypesForSearch, mode, null, true); 3381 } 3382 if (subtype != null) { 3383 if (imiId.equals(mCurMethodId)) { 3384 // The current input method is the most applicable IME. 3385 mostApplicableIMI = imi; 3386 mostApplicableSubtype = subtype; 3387 break; 3388 } else if (!foundInSystemIME) { 3389 // The system input method is 2nd applicable IME. 3390 mostApplicableIMI = imi; 3391 mostApplicableSubtype = subtype; 3392 if ((imi.getServiceInfo().applicationInfo.flags 3393 & ApplicationInfo.FLAG_SYSTEM) != 0) { 3394 foundInSystemIME = true; 3395 } 3396 } 3397 } 3398 } 3399 if (DEBUG) { 3400 if (mostApplicableIMI != null) { 3401 Slog.w(TAG, "Most applicable shortcut input method was:" 3402 + mostApplicableIMI.getId()); 3403 if (mostApplicableSubtype != null) { 3404 Slog.w(TAG, "Most applicable shortcut input method subtype was:" 3405 + "," + mostApplicableSubtype.getMode() + "," 3406 + mostApplicableSubtype.getLocale()); 3407 } 3408 } 3409 } 3410 if (mostApplicableIMI != null) { 3411 return new Pair<InputMethodInfo, InputMethodSubtype> (mostApplicableIMI, 3412 mostApplicableSubtype); 3413 } else { 3414 return null; 3415 } 3416 } 3417 3418 /** 3419 * @return Return the current subtype of this input method. 3420 */ 3421 @Override 3422 public InputMethodSubtype getCurrentInputMethodSubtype() { 3423 // TODO: Make this work even for non-current users? 3424 if (!calledFromValidUser()) { 3425 return null; 3426 } 3427 synchronized (mMethodMap) { 3428 return getCurrentInputMethodSubtypeLocked(); 3429 } 3430 } 3431 3432 private InputMethodSubtype getCurrentInputMethodSubtypeLocked() { 3433 if (mCurMethodId == null) { 3434 return null; 3435 } 3436 final boolean subtypeIsSelected = mSettings.isSubtypeSelected(); 3437 final InputMethodInfo imi = mMethodMap.get(mCurMethodId); 3438 if (imi == null || imi.getSubtypeCount() == 0) { 3439 return null; 3440 } 3441 if (!subtypeIsSelected || mCurrentSubtype == null 3442 || !InputMethodUtils.isValidSubtypeId(imi, mCurrentSubtype.hashCode())) { 3443 int subtypeId = mSettings.getSelectedInputMethodSubtypeId(mCurMethodId); 3444 if (subtypeId == NOT_A_SUBTYPE_ID) { 3445 // If there are no selected subtypes, the framework will try to find 3446 // the most applicable subtype from explicitly or implicitly enabled 3447 // subtypes. 3448 List<InputMethodSubtype> explicitlyOrImplicitlyEnabledSubtypes = 3449 mSettings.getEnabledInputMethodSubtypeListLocked(mContext, imi, true); 3450 // If there is only one explicitly or implicitly enabled subtype, 3451 // just returns it. 3452 if (explicitlyOrImplicitlyEnabledSubtypes.size() == 1) { 3453 mCurrentSubtype = explicitlyOrImplicitlyEnabledSubtypes.get(0); 3454 } else if (explicitlyOrImplicitlyEnabledSubtypes.size() > 1) { 3455 mCurrentSubtype = InputMethodUtils.findLastResortApplicableSubtypeLocked( 3456 mRes, explicitlyOrImplicitlyEnabledSubtypes, 3457 InputMethodUtils.SUBTYPE_MODE_KEYBOARD, null, true); 3458 if (mCurrentSubtype == null) { 3459 mCurrentSubtype = InputMethodUtils.findLastResortApplicableSubtypeLocked( 3460 mRes, explicitlyOrImplicitlyEnabledSubtypes, null, null, 3461 true); 3462 } 3463 } 3464 } else { 3465 mCurrentSubtype = InputMethodUtils.getSubtypes(imi).get(subtypeId); 3466 } 3467 } 3468 return mCurrentSubtype; 3469 } 3470 3471 private void addShortcutInputMethodAndSubtypes(InputMethodInfo imi, 3472 InputMethodSubtype subtype) { 3473 if (mShortcutInputMethodsAndSubtypes.containsKey(imi)) { 3474 mShortcutInputMethodsAndSubtypes.get(imi).add(subtype); 3475 } else { 3476 ArrayList<InputMethodSubtype> subtypes = new ArrayList<InputMethodSubtype>(); 3477 subtypes.add(subtype); 3478 mShortcutInputMethodsAndSubtypes.put(imi, subtypes); 3479 } 3480 } 3481 3482 // TODO: We should change the return type from List to List<Parcelable> 3483 @SuppressWarnings("rawtypes") 3484 @Override 3485 public List getShortcutInputMethodsAndSubtypes() { 3486 synchronized (mMethodMap) { 3487 ArrayList<Object> ret = new ArrayList<Object>(); 3488 if (mShortcutInputMethodsAndSubtypes.size() == 0) { 3489 // If there are no selected shortcut subtypes, the framework will try to find 3490 // the most applicable subtype from all subtypes whose mode is 3491 // SUBTYPE_MODE_VOICE. This is an exceptional case, so we will hardcode the mode. 3492 Pair<InputMethodInfo, InputMethodSubtype> info = 3493 findLastResortApplicableShortcutInputMethodAndSubtypeLocked( 3494 InputMethodUtils.SUBTYPE_MODE_VOICE); 3495 if (info != null) { 3496 ret.add(info.first); 3497 ret.add(info.second); 3498 } 3499 return ret; 3500 } 3501 for (InputMethodInfo imi: mShortcutInputMethodsAndSubtypes.keySet()) { 3502 ret.add(imi); 3503 for (InputMethodSubtype subtype: mShortcutInputMethodsAndSubtypes.get(imi)) { 3504 ret.add(subtype); 3505 } 3506 } 3507 return ret; 3508 } 3509 } 3510 3511 @Override 3512 public boolean setCurrentInputMethodSubtype(InputMethodSubtype subtype) { 3513 // TODO: Make this work even for non-current users? 3514 if (!calledFromValidUser()) { 3515 return false; 3516 } 3517 synchronized (mMethodMap) { 3518 if (subtype != null && mCurMethodId != null) { 3519 InputMethodInfo imi = mMethodMap.get(mCurMethodId); 3520 int subtypeId = InputMethodUtils.getSubtypeIdFromHashCode(imi, subtype.hashCode()); 3521 if (subtypeId != NOT_A_SUBTYPE_ID) { 3522 setInputMethodLocked(mCurMethodId, subtypeId); 3523 return true; 3524 } 3525 } 3526 return false; 3527 } 3528 } 3529 3530 // TODO: Cache the state for each user and reset when the cached user is removed. 3531 private static class InputMethodFileManager { 3532 private static final String SYSTEM_PATH = "system"; 3533 private static final String INPUT_METHOD_PATH = "inputmethod"; 3534 private static final String ADDITIONAL_SUBTYPES_FILE_NAME = "subtypes.xml"; 3535 private static final String NODE_SUBTYPES = "subtypes"; 3536 private static final String NODE_SUBTYPE = "subtype"; 3537 private static final String NODE_IMI = "imi"; 3538 private static final String ATTR_ID = "id"; 3539 private static final String ATTR_LABEL = "label"; 3540 private static final String ATTR_ICON = "icon"; 3541 private static final String ATTR_IME_SUBTYPE_LOCALE = "imeSubtypeLocale"; 3542 private static final String ATTR_IME_SUBTYPE_MODE = "imeSubtypeMode"; 3543 private static final String ATTR_IME_SUBTYPE_EXTRA_VALUE = "imeSubtypeExtraValue"; 3544 private static final String ATTR_IS_AUXILIARY = "isAuxiliary"; 3545 private final AtomicFile mAdditionalInputMethodSubtypeFile; 3546 private final HashMap<String, InputMethodInfo> mMethodMap; 3547 private final HashMap<String, List<InputMethodSubtype>> mAdditionalSubtypesMap = 3548 new HashMap<String, List<InputMethodSubtype>>(); 3549 public InputMethodFileManager(HashMap<String, InputMethodInfo> methodMap, int userId) { 3550 if (methodMap == null) { 3551 throw new NullPointerException("methodMap is null"); 3552 } 3553 mMethodMap = methodMap; 3554 final File systemDir = userId == UserHandle.USER_OWNER 3555 ? new File(Environment.getDataDirectory(), SYSTEM_PATH) 3556 : Environment.getUserSystemDirectory(userId); 3557 final File inputMethodDir = new File(systemDir, INPUT_METHOD_PATH); 3558 if (!inputMethodDir.exists() && !inputMethodDir.mkdirs()) { 3559 Slog.w(TAG, "Couldn't create dir.: " + inputMethodDir.getAbsolutePath()); 3560 } 3561 final File subtypeFile = new File(inputMethodDir, ADDITIONAL_SUBTYPES_FILE_NAME); 3562 mAdditionalInputMethodSubtypeFile = new AtomicFile(subtypeFile); 3563 if (!subtypeFile.exists()) { 3564 // If "subtypes.xml" doesn't exist, create a blank file. 3565 writeAdditionalInputMethodSubtypes( 3566 mAdditionalSubtypesMap, mAdditionalInputMethodSubtypeFile, methodMap); 3567 } else { 3568 readAdditionalInputMethodSubtypes( 3569 mAdditionalSubtypesMap, mAdditionalInputMethodSubtypeFile); 3570 } 3571 } 3572 3573 private void deleteAllInputMethodSubtypes(String imiId) { 3574 synchronized (mMethodMap) { 3575 mAdditionalSubtypesMap.remove(imiId); 3576 writeAdditionalInputMethodSubtypes( 3577 mAdditionalSubtypesMap, mAdditionalInputMethodSubtypeFile, mMethodMap); 3578 } 3579 } 3580 3581 public void addInputMethodSubtypes( 3582 InputMethodInfo imi, InputMethodSubtype[] additionalSubtypes) { 3583 synchronized (mMethodMap) { 3584 final ArrayList<InputMethodSubtype> subtypes = new ArrayList<InputMethodSubtype>(); 3585 final int N = additionalSubtypes.length; 3586 for (int i = 0; i < N; ++i) { 3587 final InputMethodSubtype subtype = additionalSubtypes[i]; 3588 if (!subtypes.contains(subtype)) { 3589 subtypes.add(subtype); 3590 } else { 3591 Slog.w(TAG, "Duplicated subtype definition found: " 3592 + subtype.getLocale() + ", " + subtype.getMode()); 3593 } 3594 } 3595 mAdditionalSubtypesMap.put(imi.getId(), subtypes); 3596 writeAdditionalInputMethodSubtypes( 3597 mAdditionalSubtypesMap, mAdditionalInputMethodSubtypeFile, mMethodMap); 3598 } 3599 } 3600 3601 public HashMap<String, List<InputMethodSubtype>> getAllAdditionalInputMethodSubtypes() { 3602 synchronized (mMethodMap) { 3603 return mAdditionalSubtypesMap; 3604 } 3605 } 3606 3607 private static void writeAdditionalInputMethodSubtypes( 3608 HashMap<String, List<InputMethodSubtype>> allSubtypes, AtomicFile subtypesFile, 3609 HashMap<String, InputMethodInfo> methodMap) { 3610 // Safety net for the case that this function is called before methodMap is set. 3611 final boolean isSetMethodMap = methodMap != null && methodMap.size() > 0; 3612 FileOutputStream fos = null; 3613 try { 3614 fos = subtypesFile.startWrite(); 3615 final XmlSerializer out = new FastXmlSerializer(); 3616 out.setOutput(fos, StandardCharsets.UTF_8.name()); 3617 out.startDocument(null, true); 3618 out.setFeature("http://xmlpull.org/v1/doc/features.html#indent-output", true); 3619 out.startTag(null, NODE_SUBTYPES); 3620 for (String imiId : allSubtypes.keySet()) { 3621 if (isSetMethodMap && !methodMap.containsKey(imiId)) { 3622 Slog.w(TAG, "IME uninstalled or not valid.: " + imiId); 3623 continue; 3624 } 3625 out.startTag(null, NODE_IMI); 3626 out.attribute(null, ATTR_ID, imiId); 3627 final List<InputMethodSubtype> subtypesList = allSubtypes.get(imiId); 3628 final int N = subtypesList.size(); 3629 for (int i = 0; i < N; ++i) { 3630 final InputMethodSubtype subtype = subtypesList.get(i); 3631 out.startTag(null, NODE_SUBTYPE); 3632 out.attribute(null, ATTR_ICON, String.valueOf(subtype.getIconResId())); 3633 out.attribute(null, ATTR_LABEL, String.valueOf(subtype.getNameResId())); 3634 out.attribute(null, ATTR_IME_SUBTYPE_LOCALE, subtype.getLocale()); 3635 out.attribute(null, ATTR_IME_SUBTYPE_MODE, subtype.getMode()); 3636 out.attribute(null, ATTR_IME_SUBTYPE_EXTRA_VALUE, subtype.getExtraValue()); 3637 out.attribute(null, ATTR_IS_AUXILIARY, 3638 String.valueOf(subtype.isAuxiliary() ? 1 : 0)); 3639 out.endTag(null, NODE_SUBTYPE); 3640 } 3641 out.endTag(null, NODE_IMI); 3642 } 3643 out.endTag(null, NODE_SUBTYPES); 3644 out.endDocument(); 3645 subtypesFile.finishWrite(fos); 3646 } catch (java.io.IOException e) { 3647 Slog.w(TAG, "Error writing subtypes", e); 3648 if (fos != null) { 3649 subtypesFile.failWrite(fos); 3650 } 3651 } 3652 } 3653 3654 private static void readAdditionalInputMethodSubtypes( 3655 HashMap<String, List<InputMethodSubtype>> allSubtypes, AtomicFile subtypesFile) { 3656 if (allSubtypes == null || subtypesFile == null) return; 3657 allSubtypes.clear(); 3658 FileInputStream fis = null; 3659 try { 3660 fis = subtypesFile.openRead(); 3661 final XmlPullParser parser = Xml.newPullParser(); 3662 parser.setInput(fis, StandardCharsets.UTF_8.name()); 3663 int type = parser.getEventType(); 3664 // Skip parsing until START_TAG 3665 while ((type = parser.next()) != XmlPullParser.START_TAG 3666 && type != XmlPullParser.END_DOCUMENT) {} 3667 String firstNodeName = parser.getName(); 3668 if (!NODE_SUBTYPES.equals(firstNodeName)) { 3669 throw new XmlPullParserException("Xml doesn't start with subtypes"); 3670 } 3671 final int depth =parser.getDepth(); 3672 String currentImiId = null; 3673 ArrayList<InputMethodSubtype> tempSubtypesArray = null; 3674 while (((type = parser.next()) != XmlPullParser.END_TAG 3675 || parser.getDepth() > depth) && type != XmlPullParser.END_DOCUMENT) { 3676 if (type != XmlPullParser.START_TAG) 3677 continue; 3678 final String nodeName = parser.getName(); 3679 if (NODE_IMI.equals(nodeName)) { 3680 currentImiId = parser.getAttributeValue(null, ATTR_ID); 3681 if (TextUtils.isEmpty(currentImiId)) { 3682 Slog.w(TAG, "Invalid imi id found in subtypes.xml"); 3683 continue; 3684 } 3685 tempSubtypesArray = new ArrayList<InputMethodSubtype>(); 3686 allSubtypes.put(currentImiId, tempSubtypesArray); 3687 } else if (NODE_SUBTYPE.equals(nodeName)) { 3688 if (TextUtils.isEmpty(currentImiId) || tempSubtypesArray == null) { 3689 Slog.w(TAG, "IME uninstalled or not valid.: " + currentImiId); 3690 continue; 3691 } 3692 final int icon = Integer.valueOf( 3693 parser.getAttributeValue(null, ATTR_ICON)); 3694 final int label = Integer.valueOf( 3695 parser.getAttributeValue(null, ATTR_LABEL)); 3696 final String imeSubtypeLocale = 3697 parser.getAttributeValue(null, ATTR_IME_SUBTYPE_LOCALE); 3698 final String imeSubtypeMode = 3699 parser.getAttributeValue(null, ATTR_IME_SUBTYPE_MODE); 3700 final String imeSubtypeExtraValue = 3701 parser.getAttributeValue(null, ATTR_IME_SUBTYPE_EXTRA_VALUE); 3702 final boolean isAuxiliary = "1".equals(String.valueOf( 3703 parser.getAttributeValue(null, ATTR_IS_AUXILIARY))); 3704 final InputMethodSubtype subtype = new InputMethodSubtypeBuilder() 3705 .setSubtypeNameResId(label) 3706 .setSubtypeIconResId(icon) 3707 .setSubtypeLocale(imeSubtypeLocale) 3708 .setSubtypeMode(imeSubtypeMode) 3709 .setSubtypeExtraValue(imeSubtypeExtraValue) 3710 .setIsAuxiliary(isAuxiliary) 3711 .build(); 3712 tempSubtypesArray.add(subtype); 3713 } 3714 } 3715 } catch (XmlPullParserException e) { 3716 Slog.w(TAG, "Error reading subtypes: " + e); 3717 return; 3718 } catch (java.io.IOException e) { 3719 Slog.w(TAG, "Error reading subtypes: " + e); 3720 return; 3721 } catch (NumberFormatException e) { 3722 Slog.w(TAG, "Error reading subtypes: " + e); 3723 return; 3724 } finally { 3725 if (fis != null) { 3726 try { 3727 fis.close(); 3728 } catch (java.io.IOException e1) { 3729 Slog.w(TAG, "Failed to close."); 3730 } 3731 } 3732 } 3733 } 3734 } 3735 3736 private static final class LocalServiceImpl implements InputMethodManagerInternal { 3737 @NonNull 3738 private final Handler mHandler; 3739 3740 LocalServiceImpl(@NonNull final Handler handler) { 3741 mHandler = handler; 3742 } 3743 3744 @Override 3745 public void setInteractive(boolean interactive) { 3746 // Do everything in handler so as not to block the caller. 3747 mHandler.sendMessage(mHandler.obtainMessage(MSG_SET_INTERACTIVE, 3748 interactive ? 1 : 0, 0)); 3749 } 3750 } 3751 3752 @Override 3753 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 3754 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 3755 != PackageManager.PERMISSION_GRANTED) { 3756 3757 pw.println("Permission Denial: can't dump InputMethodManager from from pid=" 3758 + Binder.getCallingPid() 3759 + ", uid=" + Binder.getCallingUid()); 3760 return; 3761 } 3762 3763 IInputMethod method; 3764 ClientState client; 3765 3766 final Printer p = new PrintWriterPrinter(pw); 3767 3768 synchronized (mMethodMap) { 3769 p.println("Current Input Method Manager state:"); 3770 int N = mMethodList.size(); 3771 p.println(" Input Methods:"); 3772 for (int i=0; i<N; i++) { 3773 InputMethodInfo info = mMethodList.get(i); 3774 p.println(" InputMethod #" + i + ":"); 3775 info.dump(p, " "); 3776 } 3777 p.println(" Clients:"); 3778 for (ClientState ci : mClients.values()) { 3779 p.println(" Client " + ci + ":"); 3780 p.println(" client=" + ci.client); 3781 p.println(" inputContext=" + ci.inputContext); 3782 p.println(" sessionRequested=" + ci.sessionRequested); 3783 p.println(" curSession=" + ci.curSession); 3784 } 3785 p.println(" mCurMethodId=" + mCurMethodId); 3786 client = mCurClient; 3787 p.println(" mCurClient=" + client + " mCurSeq=" + mCurSeq); 3788 p.println(" mCurFocusedWindow=" + mCurFocusedWindow); 3789 p.println(" mCurId=" + mCurId + " mHaveConnect=" + mHaveConnection 3790 + " mBoundToMethod=" + mBoundToMethod); 3791 p.println(" mCurToken=" + mCurToken); 3792 p.println(" mCurIntent=" + mCurIntent); 3793 method = mCurMethod; 3794 p.println(" mCurMethod=" + mCurMethod); 3795 p.println(" mEnabledSession=" + mEnabledSession); 3796 p.println(" mShowRequested=" + mShowRequested 3797 + " mShowExplicitlyRequested=" + mShowExplicitlyRequested 3798 + " mShowForced=" + mShowForced 3799 + " mInputShown=" + mInputShown); 3800 p.println(" mCurUserActionNotificationSequenceNumber=" 3801 + mCurUserActionNotificationSequenceNumber); 3802 p.println(" mSystemReady=" + mSystemReady + " mInteractive=" + mIsInteractive); 3803 p.println(" mSettingsObserver=" + mSettingsObserver); 3804 p.println(" mSwitchingController:"); 3805 mSwitchingController.dump(p); 3806 } 3807 3808 p.println(" "); 3809 if (client != null) { 3810 pw.flush(); 3811 try { 3812 client.client.asBinder().dump(fd, args); 3813 } catch (RemoteException e) { 3814 p.println("Input method client dead: " + e); 3815 } 3816 } else { 3817 p.println("No input method client."); 3818 } 3819 3820 p.println(" "); 3821 if (method != null) { 3822 pw.flush(); 3823 try { 3824 method.asBinder().dump(fd, args); 3825 } catch (RemoteException e) { 3826 p.println("Input method service dead: " + e); 3827 } 3828 } else { 3829 p.println("No input method service."); 3830 } 3831 } 3832} 3833