InputMethodManagerService.java revision d724886cc13990ebcf55134455ef0fa223054ae8
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 com.android.internal.content.PackageMonitor; 20import com.android.internal.inputmethod.InputMethodSubtypeSwitchingController; 21import com.android.internal.inputmethod.InputMethodSubtypeSwitchingController.ImeSubtypeListItem; 22import com.android.internal.inputmethod.InputMethodUtils; 23import com.android.internal.inputmethod.InputMethodUtils.InputMethodSettings; 24import com.android.internal.os.HandlerCaller; 25import com.android.internal.os.SomeArgs; 26import com.android.internal.util.FastXmlSerializer; 27import com.android.internal.view.IInputContext; 28import com.android.internal.view.IInputMethod; 29import com.android.internal.view.IInputSessionCallback; 30import com.android.internal.view.IInputMethodClient; 31import com.android.internal.view.IInputMethodManager; 32import com.android.internal.view.IInputMethodSession; 33import com.android.internal.view.InputBindResult; 34import com.android.server.statusbar.StatusBarManagerService; 35import com.android.server.wm.WindowManagerService; 36 37import org.xmlpull.v1.XmlPullParser; 38import org.xmlpull.v1.XmlPullParserException; 39import org.xmlpull.v1.XmlSerializer; 40 41import android.app.ActivityManagerNative; 42import android.app.AppGlobals; 43import android.app.AlertDialog; 44import android.app.AppOpsManager; 45import android.app.IUserSwitchObserver; 46import android.app.KeyguardManager; 47import android.app.Notification; 48import android.app.NotificationManager; 49import android.app.PendingIntent; 50import android.content.BroadcastReceiver; 51import android.content.ComponentName; 52import android.content.ContentResolver; 53import android.content.Context; 54import android.content.DialogInterface; 55import android.content.DialogInterface.OnCancelListener; 56import android.content.DialogInterface.OnClickListener; 57import android.content.Intent; 58import android.content.IntentFilter; 59import android.content.ServiceConnection; 60import android.content.pm.ApplicationInfo; 61import android.content.pm.IPackageManager; 62import android.content.pm.PackageManager; 63import android.content.pm.ResolveInfo; 64import android.content.pm.ServiceInfo; 65import android.content.pm.UserInfo; 66import android.content.res.Configuration; 67import android.content.res.Resources; 68import android.content.res.TypedArray; 69import android.database.ContentObserver; 70import android.graphics.drawable.Drawable; 71import android.inputmethodservice.InputMethodService; 72import android.net.Uri; 73import android.os.Binder; 74import android.os.Environment; 75import android.os.Handler; 76import android.os.IBinder; 77import android.os.IInterface; 78import android.os.IRemoteCallback; 79import android.os.Message; 80import android.os.Process; 81import android.os.Parcel; 82import android.os.RemoteException; 83import android.os.ResultReceiver; 84import android.os.ServiceManager; 85import android.os.SystemClock; 86import android.os.UserHandle; 87import android.os.UserManager; 88import android.provider.Settings; 89import android.text.TextUtils; 90import android.text.TextUtils.SimpleStringSplitter; 91import android.text.style.SuggestionSpan; 92import android.util.ArrayMap; 93import android.util.ArraySet; 94import android.util.AtomicFile; 95import android.util.EventLog; 96import android.util.LruCache; 97import android.util.Pair; 98import android.util.PrintWriterPrinter; 99import android.util.Printer; 100import android.util.Slog; 101import android.util.Xml; 102import android.view.ContextThemeWrapper; 103import android.view.IWindowManager; 104import android.view.InputChannel; 105import android.view.LayoutInflater; 106import android.view.View; 107import android.view.ViewGroup; 108import android.view.WindowManager; 109import android.view.inputmethod.EditorInfo; 110import android.view.inputmethod.InputBinding; 111import android.view.inputmethod.InputMethod; 112import android.view.inputmethod.InputMethodInfo; 113import android.view.inputmethod.InputMethodManager; 114import android.view.inputmethod.InputMethodSubtype; 115import android.view.inputmethod.InputMethodSubtype.InputMethodSubtypeBuilder; 116import android.widget.ArrayAdapter; 117import android.widget.CompoundButton; 118import android.widget.CompoundButton.OnCheckedChangeListener; 119import android.widget.RadioButton; 120import android.widget.Switch; 121import android.widget.TextView; 122 123import java.io.File; 124import java.io.FileDescriptor; 125import java.io.FileInputStream; 126import java.io.FileOutputStream; 127import java.io.IOException; 128import java.io.PrintWriter; 129import java.nio.charset.StandardCharsets; 130import java.util.ArrayList; 131import java.util.Collections; 132import java.util.HashMap; 133import java.util.HashSet; 134import java.util.List; 135import java.util.Locale; 136 137/** 138 * This class provides a system service that manages input methods. 139 */ 140public class InputMethodManagerService extends IInputMethodManager.Stub 141 implements ServiceConnection, Handler.Callback { 142 static final boolean DEBUG = false; 143 static final boolean DEBUG_RESTORE = DEBUG || false; 144 static final String TAG = "InputMethodManagerService"; 145 146 private static final char INPUT_METHOD_SEPARATOR = ':'; 147 private static final char INPUT_METHOD_SUBTYPE_SEPARATOR = ';'; 148 149 static final int MSG_SHOW_IM_SUBTYPE_PICKER = 1; 150 static final int MSG_SHOW_IM_SUBTYPE_ENABLER = 2; 151 static final int MSG_SHOW_IM_CONFIG = 3; 152 153 static final int MSG_UNBIND_INPUT = 1000; 154 static final int MSG_BIND_INPUT = 1010; 155 static final int MSG_SHOW_SOFT_INPUT = 1020; 156 static final int MSG_HIDE_SOFT_INPUT = 1030; 157 static final int MSG_ATTACH_TOKEN = 1040; 158 static final int MSG_CREATE_SESSION = 1050; 159 160 static final int MSG_START_INPUT = 2000; 161 static final int MSG_RESTART_INPUT = 2010; 162 163 static final int MSG_UNBIND_METHOD = 3000; 164 static final int MSG_BIND_METHOD = 3010; 165 static final int MSG_SET_ACTIVE = 3020; 166 static final int MSG_SET_USER_ACTION_NOTIFICATION_SEQUENCE_NUMBER = 3040; 167 168 static final int MSG_HARD_KEYBOARD_SWITCH_CHANGED = 4000; 169 170 static final long TIME_TO_RECONNECT = 3 * 1000; 171 172 static final int SECURE_SUGGESTION_SPANS_MAX_SIZE = 20; 173 174 private static final int NOT_A_SUBTYPE_ID = InputMethodUtils.NOT_A_SUBTYPE_ID; 175 private static final String TAG_TRY_SUPPRESSING_IME_SWITCHER = "TrySuppressingImeSwitcher"; 176 177 178 final Context mContext; 179 final Resources mRes; 180 final Handler mHandler; 181 final InputMethodSettings mSettings; 182 final SettingsObserver mSettingsObserver; 183 final IWindowManager mIWindowManager; 184 final HandlerCaller mCaller; 185 final boolean mHasFeature; 186 private InputMethodFileManager mFileManager; 187 private final HardKeyboardListener mHardKeyboardListener; 188 private final WindowManagerService mWindowManagerService; 189 private final AppOpsManager mAppOpsManager; 190 191 final InputBindResult mNoBinding = new InputBindResult(null, null, null, -1, -1); 192 193 // All known input methods. mMethodMap also serves as the global 194 // lock for this class. 195 final ArrayList<InputMethodInfo> mMethodList = new ArrayList<InputMethodInfo>(); 196 final HashMap<String, InputMethodInfo> mMethodMap = new HashMap<String, InputMethodInfo>(); 197 private final LruCache<SuggestionSpan, InputMethodInfo> mSecureSuggestionSpans = 198 new LruCache<SuggestionSpan, InputMethodInfo>(SECURE_SUGGESTION_SPANS_MAX_SIZE); 199 private final InputMethodSubtypeSwitchingController mSwitchingController; 200 201 // Used to bring IME service up to visible adjustment while it is being shown. 202 final ServiceConnection mVisibleConnection = new ServiceConnection() { 203 @Override public void onServiceConnected(ComponentName name, IBinder service) { 204 } 205 206 @Override public void onServiceDisconnected(ComponentName name) { 207 } 208 }; 209 boolean mVisibleBound = false; 210 211 // Ongoing notification 212 private NotificationManager mNotificationManager; 213 private KeyguardManager mKeyguardManager; 214 private StatusBarManagerService mStatusBar; 215 private Notification mImeSwitcherNotification; 216 private PendingIntent mImeSwitchPendingIntent; 217 private boolean mShowOngoingImeSwitcherForPhones; 218 private boolean mNotificationShown; 219 private final boolean mImeSelectedOnBoot; 220 221 static class SessionState { 222 final ClientState client; 223 final IInputMethod method; 224 225 IInputMethodSession session; 226 InputChannel channel; 227 228 @Override 229 public String toString() { 230 return "SessionState{uid " + client.uid + " pid " + client.pid 231 + " method " + Integer.toHexString( 232 System.identityHashCode(method)) 233 + " session " + Integer.toHexString( 234 System.identityHashCode(session)) 235 + " channel " + channel 236 + "}"; 237 } 238 239 SessionState(ClientState _client, IInputMethod _method, 240 IInputMethodSession _session, InputChannel _channel) { 241 client = _client; 242 method = _method; 243 session = _session; 244 channel = _channel; 245 } 246 } 247 248 static final class ClientState { 249 final IInputMethodClient client; 250 final IInputContext inputContext; 251 final int uid; 252 final int pid; 253 final InputBinding binding; 254 255 boolean sessionRequested; 256 SessionState curSession; 257 258 @Override 259 public String toString() { 260 return "ClientState{" + Integer.toHexString( 261 System.identityHashCode(this)) + " uid " + uid 262 + " pid " + pid + "}"; 263 } 264 265 ClientState(IInputMethodClient _client, IInputContext _inputContext, 266 int _uid, int _pid) { 267 client = _client; 268 inputContext = _inputContext; 269 uid = _uid; 270 pid = _pid; 271 binding = new InputBinding(null, inputContext.asBinder(), uid, pid); 272 } 273 } 274 275 final HashMap<IBinder, ClientState> mClients 276 = new HashMap<IBinder, ClientState>(); 277 278 /** 279 * Set once the system is ready to run third party code. 280 */ 281 boolean mSystemReady; 282 283 /** 284 * Id of the currently selected input method. 285 */ 286 String mCurMethodId; 287 288 /** 289 * The current binding sequence number, incremented every time there is 290 * a new bind performed. 291 */ 292 int mCurSeq; 293 294 /** 295 * The client that is currently bound to an input method. 296 */ 297 ClientState mCurClient; 298 299 /** 300 * The last window token that gained focus. 301 */ 302 IBinder mCurFocusedWindow; 303 304 /** 305 * The input context last provided by the current client. 306 */ 307 IInputContext mCurInputContext; 308 309 /** 310 * The attributes last provided by the current client. 311 */ 312 EditorInfo mCurAttribute; 313 314 /** 315 * The input method ID of the input method service that we are currently 316 * connected to or in the process of connecting to. 317 */ 318 String mCurId; 319 320 /** 321 * The current subtype of the current input method. 322 */ 323 private InputMethodSubtype mCurrentSubtype; 324 325 // This list contains the pairs of InputMethodInfo and InputMethodSubtype. 326 private final HashMap<InputMethodInfo, ArrayList<InputMethodSubtype>> 327 mShortcutInputMethodsAndSubtypes = 328 new HashMap<InputMethodInfo, ArrayList<InputMethodSubtype>>(); 329 330 // Was the keyguard locked when this client became current? 331 private boolean mCurClientInKeyguard; 332 333 /** 334 * Set to true if our ServiceConnection is currently actively bound to 335 * a service (whether or not we have gotten its IBinder back yet). 336 */ 337 boolean mHaveConnection; 338 339 /** 340 * Set if the client has asked for the input method to be shown. 341 */ 342 boolean mShowRequested; 343 344 /** 345 * Set if we were explicitly told to show the input method. 346 */ 347 boolean mShowExplicitlyRequested; 348 349 /** 350 * Set if we were forced to be shown. 351 */ 352 boolean mShowForced; 353 354 /** 355 * Set if we last told the input method to show itself. 356 */ 357 boolean mInputShown; 358 359 /** 360 * The Intent used to connect to the current input method. 361 */ 362 Intent mCurIntent; 363 364 /** 365 * The token we have made for the currently active input method, to 366 * identify it in the future. 367 */ 368 IBinder mCurToken; 369 370 /** 371 * If non-null, this is the input method service we are currently connected 372 * to. 373 */ 374 IInputMethod mCurMethod; 375 376 /** 377 * Time that we last initiated a bind to the input method, to determine 378 * if we should try to disconnect and reconnect to it. 379 */ 380 long mLastBindTime; 381 382 /** 383 * Have we called mCurMethod.bindInput()? 384 */ 385 boolean mBoundToMethod; 386 387 /** 388 * Currently enabled session. Only touched by service thread, not 389 * protected by a lock. 390 */ 391 SessionState mEnabledSession; 392 393 /** 394 * True if the screen is on. The value is true initially. 395 */ 396 boolean mScreenOn = true; 397 398 int mCurUserActionNotificationSequenceNumber = 0; 399 400 int mBackDisposition = InputMethodService.BACK_DISPOSITION_DEFAULT; 401 402 /** 403 * A set of status bits regarding the active IME. 404 * 405 * <p>This value is a combination of following two bits:</p> 406 * <dl> 407 * <dt>{@link InputMethodService#IME_ACTIVE}</dt> 408 * <dd> 409 * If this bit is ON, connected IME is ready to accept touch/key events. 410 * </dd> 411 * <dt>{@link InputMethodService#IME_VISIBLE}</dt> 412 * <dd> 413 * If this bit is ON, some of IME view, e.g. software input, candidate view, is visible. 414 * </dd> 415 * </dl> 416 * <em>Do not update this value outside of setImeWindowStatus.</em> 417 */ 418 int mImeWindowVis; 419 420 private AlertDialog.Builder mDialogBuilder; 421 private AlertDialog mSwitchingDialog; 422 private View mSwitchingDialogTitleView; 423 private InputMethodInfo[] mIms; 424 private int[] mSubtypeIds; 425 private Locale mLastSystemLocale; 426 private boolean mShowImeWithHardKeyboard; 427 private final MyPackageMonitor mMyPackageMonitor = new MyPackageMonitor(); 428 private final IPackageManager mIPackageManager; 429 430 class SettingsObserver extends ContentObserver { 431 String mLastEnabled = ""; 432 433 SettingsObserver(Handler handler) { 434 super(handler); 435 ContentResolver resolver = mContext.getContentResolver(); 436 resolver.registerContentObserver(Settings.Secure.getUriFor( 437 Settings.Secure.DEFAULT_INPUT_METHOD), false, this); 438 resolver.registerContentObserver(Settings.Secure.getUriFor( 439 Settings.Secure.ENABLED_INPUT_METHODS), false, this); 440 resolver.registerContentObserver(Settings.Secure.getUriFor( 441 Settings.Secure.SELECTED_INPUT_METHOD_SUBTYPE), false, this); 442 resolver.registerContentObserver(Settings.Secure.getUriFor( 443 Settings.Secure.SHOW_IME_WITH_HARD_KEYBOARD), false, this); 444 } 445 446 @Override public void onChange(boolean selfChange, Uri uri) { 447 final Uri showImeUri = 448 Settings.Secure.getUriFor(Settings.Secure.SHOW_IME_WITH_HARD_KEYBOARD); 449 synchronized (mMethodMap) { 450 if (showImeUri.equals(uri)) { 451 updateKeyboardFromSettingsLocked(); 452 } else { 453 boolean enabledChanged = false; 454 String newEnabled = mSettings.getEnabledInputMethodsStr(); 455 if (!mLastEnabled.equals(newEnabled)) { 456 mLastEnabled = newEnabled; 457 enabledChanged = true; 458 } 459 updateInputMethodsFromSettingsLocked(enabledChanged); 460 } 461 } 462 } 463 } 464 465 class ImmsBroadcastReceiver extends android.content.BroadcastReceiver { 466 private void updateActive() { 467 // Inform the current client of the change in active status 468 if (mCurClient != null && mCurClient.client != null) { 469 executeOrSendMessage(mCurClient.client, mCaller.obtainMessageIO( 470 MSG_SET_ACTIVE, mScreenOn ? 1 : 0, mCurClient)); 471 } 472 } 473 474 @Override 475 public void onReceive(Context context, Intent intent) { 476 final String action = intent.getAction(); 477 if (Intent.ACTION_SCREEN_ON.equals(action)) { 478 mScreenOn = true; 479 updateSystemUi(mCurToken, mImeWindowVis, mBackDisposition); 480 updateActive(); 481 return; 482 } else if (Intent.ACTION_SCREEN_OFF.equals(action)) { 483 mScreenOn = false; 484 updateSystemUi(mCurToken, 0 /* vis */, mBackDisposition); 485 updateActive(); 486 return; 487 } else if (Intent.ACTION_CLOSE_SYSTEM_DIALOGS.equals(action)) { 488 hideInputMethodMenu(); 489 // No need to updateActive 490 return; 491 } else if (Intent.ACTION_USER_ADDED.equals(action) 492 || Intent.ACTION_USER_REMOVED.equals(action)) { 493 updateCurrentProfileIds(); 494 return; 495 } else if (Intent.ACTION_SETTING_RESTORED.equals(action)) { 496 final String name = intent.getStringExtra(Intent.EXTRA_SETTING_NAME); 497 if (Settings.Secure.ENABLED_INPUT_METHODS.equals(name)) { 498 final String prevValue = intent.getStringExtra( 499 Intent.EXTRA_SETTING_PREVIOUS_VALUE); 500 final String newValue = intent.getStringExtra( 501 Intent.EXTRA_SETTING_NEW_VALUE); 502 restoreEnabledInputMethods(mContext, prevValue, newValue); 503 } 504 } else { 505 Slog.w(TAG, "Unexpected intent " + intent); 506 } 507 } 508 } 509 510 // Apply the results of a restore operation to the set of enabled IMEs. Note that this 511 // does not attempt to validate on the fly with any installed device policy, so must only 512 // be run in the context of initial device setup. 513 // 514 // TODO: Move this method to InputMethodUtils with adding unit tests. 515 static void restoreEnabledInputMethods(Context context, String prevValue, String newValue) { 516 if (DEBUG_RESTORE) { 517 Slog.i(TAG, "Restoring enabled input methods:"); 518 Slog.i(TAG, "prev=" + prevValue); 519 Slog.i(TAG, " new=" + newValue); 520 } 521 // 'new' is the just-restored state, 'prev' is what was in settings prior to the restore 522 ArrayMap<String, ArraySet<String>> prevMap = parseInputMethodsAndSubtypesString(prevValue); 523 ArrayMap<String, ArraySet<String>> newMap = parseInputMethodsAndSubtypesString(newValue); 524 525 // Merge the restored ime+subtype enabled states into the live state 526 for (ArrayMap.Entry<String, ArraySet<String>> entry : newMap.entrySet()) { 527 final String imeId = entry.getKey(); 528 ArraySet<String> prevSubtypes = prevMap.get(imeId); 529 if (prevSubtypes == null) { 530 prevSubtypes = new ArraySet<String>(2); 531 prevMap.put(imeId, prevSubtypes); 532 } 533 prevSubtypes.addAll(entry.getValue()); 534 } 535 536 final String mergedImesAndSubtypesString = buildInputMethodsAndSubtypesString(prevMap); 537 if (DEBUG_RESTORE) { 538 Slog.i(TAG, "Merged IME string:"); 539 Slog.i(TAG, " " + mergedImesAndSubtypesString); 540 } 541 Settings.Secure.putString(context.getContentResolver(), 542 Settings.Secure.ENABLED_INPUT_METHODS, mergedImesAndSubtypesString); 543 } 544 545 // TODO: Move this method to InputMethodUtils with adding unit tests. 546 static String buildInputMethodsAndSubtypesString(ArrayMap<String, ArraySet<String>> map) { 547 // we want to use the canonical InputMethodSettings implementation, 548 // so we convert data structures first. 549 List<Pair<String, ArrayList<String>>> imeMap = 550 new ArrayList<Pair<String, ArrayList<String>>>(4); 551 for (ArrayMap.Entry<String, ArraySet<String>> entry : map.entrySet()) { 552 final String imeName = entry.getKey(); 553 final ArraySet<String> subtypeSet = entry.getValue(); 554 final ArrayList<String> subtypes = new ArrayList<String>(2); 555 if (subtypeSet != null) { 556 subtypes.addAll(subtypeSet); 557 } 558 imeMap.add(new Pair<String, ArrayList<String>>(imeName, subtypes)); 559 } 560 return InputMethodSettings.buildInputMethodsSettingString(imeMap); 561 } 562 563 // TODO: Move this method to InputMethodUtils with adding unit tests. 564 static ArrayMap<String, ArraySet<String>> parseInputMethodsAndSubtypesString( 565 final String inputMethodsAndSubtypesString) { 566 final ArrayMap<String, ArraySet<String>> imeMap = 567 new ArrayMap<String, ArraySet<String>>(); 568 if (TextUtils.isEmpty(inputMethodsAndSubtypesString)) { 569 return imeMap; 570 } 571 572 final SimpleStringSplitter typeSplitter = 573 new SimpleStringSplitter(INPUT_METHOD_SEPARATOR); 574 final SimpleStringSplitter subtypeSplitter = 575 new SimpleStringSplitter(INPUT_METHOD_SUBTYPE_SEPARATOR); 576 List<Pair<String, ArrayList<String>>> allImeSettings = 577 InputMethodSettings.buildInputMethodsAndSubtypeList(inputMethodsAndSubtypesString, 578 typeSplitter, 579 subtypeSplitter); 580 for (Pair<String, ArrayList<String>> ime : allImeSettings) { 581 ArraySet<String> subtypes = new ArraySet<String>(); 582 if (ime.second != null) { 583 subtypes.addAll(ime.second); 584 } 585 imeMap.put(ime.first, subtypes); 586 } 587 return imeMap; 588 } 589 590 class MyPackageMonitor extends PackageMonitor { 591 private boolean isChangingPackagesOfCurrentUser() { 592 final int userId = getChangingUserId(); 593 final boolean retval = userId == mSettings.getCurrentUserId(); 594 if (DEBUG) { 595 if (!retval) { 596 Slog.d(TAG, "--- ignore this call back from a background user: " + userId); 597 } 598 } 599 return retval; 600 } 601 602 @Override 603 public boolean onHandleForceStop(Intent intent, String[] packages, int uid, boolean doit) { 604 if (!isChangingPackagesOfCurrentUser()) { 605 return false; 606 } 607 synchronized (mMethodMap) { 608 String curInputMethodId = mSettings.getSelectedInputMethod(); 609 final int N = mMethodList.size(); 610 if (curInputMethodId != null) { 611 for (int i=0; i<N; i++) { 612 InputMethodInfo imi = mMethodList.get(i); 613 if (imi.getId().equals(curInputMethodId)) { 614 for (String pkg : packages) { 615 if (imi.getPackageName().equals(pkg)) { 616 if (!doit) { 617 return true; 618 } 619 resetSelectedInputMethodAndSubtypeLocked(""); 620 chooseNewDefaultIMELocked(); 621 return true; 622 } 623 } 624 } 625 } 626 } 627 } 628 return false; 629 } 630 631 @Override 632 public void onSomePackagesChanged() { 633 if (!isChangingPackagesOfCurrentUser()) { 634 return; 635 } 636 synchronized (mMethodMap) { 637 InputMethodInfo curIm = null; 638 String curInputMethodId = mSettings.getSelectedInputMethod(); 639 final int N = mMethodList.size(); 640 if (curInputMethodId != null) { 641 for (int i=0; i<N; i++) { 642 InputMethodInfo imi = mMethodList.get(i); 643 final String imiId = imi.getId(); 644 if (imiId.equals(curInputMethodId)) { 645 curIm = imi; 646 } 647 648 int change = isPackageDisappearing(imi.getPackageName()); 649 if (isPackageModified(imi.getPackageName())) { 650 mFileManager.deleteAllInputMethodSubtypes(imiId); 651 } 652 if (change == PACKAGE_TEMPORARY_CHANGE 653 || change == PACKAGE_PERMANENT_CHANGE) { 654 Slog.i(TAG, "Input method uninstalled, disabling: " 655 + imi.getComponent()); 656 setInputMethodEnabledLocked(imi.getId(), false); 657 } 658 } 659 } 660 661 buildInputMethodListLocked( 662 mMethodList, mMethodMap, false /* resetDefaultEnabledIme */); 663 664 boolean changed = false; 665 666 if (curIm != null) { 667 int change = isPackageDisappearing(curIm.getPackageName()); 668 if (change == PACKAGE_TEMPORARY_CHANGE 669 || change == PACKAGE_PERMANENT_CHANGE) { 670 ServiceInfo si = null; 671 try { 672 si = mIPackageManager.getServiceInfo( 673 curIm.getComponent(), 0, mSettings.getCurrentUserId()); 674 } catch (RemoteException ex) { 675 } 676 if (si == null) { 677 // Uh oh, current input method is no longer around! 678 // Pick another one... 679 Slog.i(TAG, "Current input method removed: " + curInputMethodId); 680 updateSystemUiLocked(mCurToken, 0 /* vis */, mBackDisposition); 681 if (!chooseNewDefaultIMELocked()) { 682 changed = true; 683 curIm = null; 684 Slog.i(TAG, "Unsetting current input method"); 685 resetSelectedInputMethodAndSubtypeLocked(""); 686 } 687 } 688 } 689 } 690 691 if (curIm == null) { 692 // We currently don't have a default input method... is 693 // one now available? 694 changed = chooseNewDefaultIMELocked(); 695 } else if (!changed && isPackageModified(curIm.getPackageName())) { 696 // Even if the current input method is still available, mCurrentSubtype could 697 // be obsolete when the package is modified in practice. 698 changed = true; 699 } 700 701 if (changed) { 702 updateFromSettingsLocked(false); 703 } 704 } 705 } 706 } 707 708 private static final class MethodCallback extends IInputSessionCallback.Stub { 709 private final InputMethodManagerService mParentIMMS; 710 private final IInputMethod mMethod; 711 private final InputChannel mChannel; 712 713 MethodCallback(InputMethodManagerService imms, IInputMethod method, 714 InputChannel channel) { 715 mParentIMMS = imms; 716 mMethod = method; 717 mChannel = channel; 718 } 719 720 @Override 721 public void sessionCreated(IInputMethodSession session) { 722 long ident = Binder.clearCallingIdentity(); 723 try { 724 mParentIMMS.onSessionCreated(mMethod, session, mChannel); 725 } finally { 726 Binder.restoreCallingIdentity(ident); 727 } 728 } 729 } 730 731 private class HardKeyboardListener 732 implements WindowManagerService.OnHardKeyboardStatusChangeListener { 733 @Override 734 public void onHardKeyboardStatusChange(boolean available) { 735 mHandler.sendMessage(mHandler.obtainMessage(MSG_HARD_KEYBOARD_SWITCH_CHANGED, 736 available ? 1 : 0)); 737 } 738 739 public void handleHardKeyboardStatusChange(boolean available) { 740 if (DEBUG) { 741 Slog.w(TAG, "HardKeyboardStatusChanged: available=" + available); 742 } 743 synchronized(mMethodMap) { 744 if (mSwitchingDialog != null && mSwitchingDialogTitleView != null 745 && mSwitchingDialog.isShowing()) { 746 mSwitchingDialogTitleView.findViewById( 747 com.android.internal.R.id.hard_keyboard_section).setVisibility( 748 available ? View.VISIBLE : View.GONE); 749 } 750 } 751 } 752 } 753 754 public InputMethodManagerService(Context context, WindowManagerService windowManager) { 755 mIPackageManager = AppGlobals.getPackageManager(); 756 mContext = context; 757 mRes = context.getResources(); 758 mHandler = new Handler(this); 759 mIWindowManager = IWindowManager.Stub.asInterface( 760 ServiceManager.getService(Context.WINDOW_SERVICE)); 761 mCaller = new HandlerCaller(context, null, new HandlerCaller.Callback() { 762 @Override 763 public void executeMessage(Message msg) { 764 handleMessage(msg); 765 } 766 }, true /*asyncHandler*/); 767 mWindowManagerService = windowManager; 768 mAppOpsManager = (AppOpsManager) mContext.getSystemService(Context.APP_OPS_SERVICE); 769 mHardKeyboardListener = new HardKeyboardListener(); 770 mHasFeature = context.getPackageManager().hasSystemFeature( 771 PackageManager.FEATURE_INPUT_METHODS); 772 773 mImeSwitcherNotification = new Notification(); 774 mImeSwitcherNotification.icon = com.android.internal.R.drawable.ic_notification_ime_default; 775 mImeSwitcherNotification.when = 0; 776 mImeSwitcherNotification.flags = Notification.FLAG_ONGOING_EVENT; 777 mImeSwitcherNotification.tickerText = null; 778 mImeSwitcherNotification.defaults = 0; // please be quiet 779 mImeSwitcherNotification.sound = null; 780 mImeSwitcherNotification.vibrate = null; 781 782 // Tag this notification specially so SystemUI knows it's important 783 mImeSwitcherNotification.extras.putBoolean(Notification.EXTRA_ALLOW_DURING_SETUP, true); 784 mImeSwitcherNotification.category = Notification.CATEGORY_SYSTEM; 785 786 Intent intent = new Intent(Settings.ACTION_SHOW_INPUT_METHOD_PICKER); 787 mImeSwitchPendingIntent = PendingIntent.getBroadcast(mContext, 0, intent, 0); 788 789 mShowOngoingImeSwitcherForPhones = false; 790 791 final IntentFilter broadcastFilter = new IntentFilter(); 792 broadcastFilter.addAction(Intent.ACTION_SCREEN_ON); 793 broadcastFilter.addAction(Intent.ACTION_SCREEN_OFF); 794 broadcastFilter.addAction(Intent.ACTION_CLOSE_SYSTEM_DIALOGS); 795 broadcastFilter.addAction(Intent.ACTION_USER_ADDED); 796 broadcastFilter.addAction(Intent.ACTION_USER_REMOVED); 797 broadcastFilter.addAction(Intent.ACTION_SETTING_RESTORED); 798 mContext.registerReceiver(new ImmsBroadcastReceiver(), broadcastFilter); 799 800 mNotificationShown = false; 801 int userId = 0; 802 try { 803 ActivityManagerNative.getDefault().registerUserSwitchObserver( 804 new IUserSwitchObserver.Stub() { 805 @Override 806 public void onUserSwitching(int newUserId, IRemoteCallback reply) { 807 synchronized(mMethodMap) { 808 switchUserLocked(newUserId); 809 } 810 if (reply != null) { 811 try { 812 reply.sendResult(null); 813 } catch (RemoteException e) { 814 } 815 } 816 } 817 818 @Override 819 public void onUserSwitchComplete(int newUserId) throws RemoteException { 820 } 821 822 @Override 823 public void onForegroundProfileSwitch(int newProfileId) { 824 // Ignore. 825 } 826 }); 827 userId = ActivityManagerNative.getDefault().getCurrentUser().id; 828 } catch (RemoteException e) { 829 Slog.w(TAG, "Couldn't get current user ID; guessing it's 0", e); 830 } 831 mMyPackageMonitor.register(mContext, null, UserHandle.ALL, true); 832 833 // mSettings should be created before buildInputMethodListLocked 834 mSettings = new InputMethodSettings( 835 mRes, context.getContentResolver(), mMethodMap, mMethodList, userId); 836 updateCurrentProfileIds(); 837 mFileManager = new InputMethodFileManager(mMethodMap, userId); 838 synchronized (mMethodMap) { 839 mSwitchingController = InputMethodSubtypeSwitchingController.createInstanceLocked( 840 mSettings, context); 841 } 842 843 // Just checking if defaultImiId is empty or not 844 final String defaultImiId = mSettings.getSelectedInputMethod(); 845 if (DEBUG) { 846 Slog.d(TAG, "Initial default ime = " + defaultImiId); 847 } 848 mImeSelectedOnBoot = !TextUtils.isEmpty(defaultImiId); 849 850 synchronized (mMethodMap) { 851 buildInputMethodListLocked(mMethodList, mMethodMap, 852 !mImeSelectedOnBoot /* resetDefaultEnabledIme */); 853 } 854 mSettings.enableAllIMEsIfThereIsNoEnabledIME(); 855 856 if (!mImeSelectedOnBoot) { 857 Slog.w(TAG, "No IME selected. Choose the most applicable IME."); 858 synchronized (mMethodMap) { 859 resetDefaultImeLocked(context); 860 } 861 } 862 863 mSettingsObserver = new SettingsObserver(mHandler); 864 synchronized (mMethodMap) { 865 updateFromSettingsLocked(true); 866 } 867 868 // IMMS wants to receive Intent.ACTION_LOCALE_CHANGED in order to update the current IME 869 // according to the new system locale. 870 final IntentFilter filter = new IntentFilter(); 871 filter.addAction(Intent.ACTION_LOCALE_CHANGED); 872 mContext.registerReceiver( 873 new BroadcastReceiver() { 874 @Override 875 public void onReceive(Context context, Intent intent) { 876 synchronized(mMethodMap) { 877 resetStateIfCurrentLocaleChangedLocked(); 878 } 879 } 880 }, filter); 881 } 882 883 private void resetDefaultImeLocked(Context context) { 884 // Do not reset the default (current) IME when it is a 3rd-party IME 885 if (mCurMethodId != null 886 && !InputMethodUtils.isSystemIme(mMethodMap.get(mCurMethodId))) { 887 return; 888 } 889 890 InputMethodInfo defIm = null; 891 for (InputMethodInfo imi : mMethodList) { 892 if (defIm == null && mSystemReady) { 893 final Locale systemLocale = context.getResources().getConfiguration().locale; 894 if (InputMethodUtils.isSystemImeThatHasSubtypeOf(imi, context, 895 true /* checkDefaultAttribute */, systemLocale, false /* checkCountry */, 896 InputMethodUtils.SUBTYPE_MODE_ANY)) { 897 defIm = imi; 898 Slog.i(TAG, "Selected default: " + imi.getId()); 899 } 900 } 901 } 902 if (defIm == null && mMethodList.size() > 0) { 903 defIm = InputMethodUtils.getMostApplicableDefaultIME( 904 mSettings.getEnabledInputMethodListLocked()); 905 if (defIm != null) { 906 Slog.i(TAG, "Default found, using " + defIm.getId()); 907 } else { 908 Slog.i(TAG, "No default found"); 909 } 910 } 911 if (defIm != null) { 912 setSelectedInputMethodAndSubtypeLocked(defIm, NOT_A_SUBTYPE_ID, false); 913 } 914 } 915 916 private void resetAllInternalStateLocked(final boolean updateOnlyWhenLocaleChanged, 917 final boolean resetDefaultEnabledIme) { 918 if (!mSystemReady) { 919 // not system ready 920 return; 921 } 922 final Locale newLocale = mRes.getConfiguration().locale; 923 if (!updateOnlyWhenLocaleChanged 924 || (newLocale != null && !newLocale.equals(mLastSystemLocale))) { 925 if (!updateOnlyWhenLocaleChanged) { 926 hideCurrentInputLocked(0, null); 927 mCurMethodId = null; 928 unbindCurrentMethodLocked(true, false); 929 } 930 if (DEBUG) { 931 Slog.i(TAG, "Locale has been changed to " + newLocale); 932 } 933 buildInputMethodListLocked(mMethodList, mMethodMap, resetDefaultEnabledIme); 934 if (!updateOnlyWhenLocaleChanged) { 935 final String selectedImiId = mSettings.getSelectedInputMethod(); 936 if (TextUtils.isEmpty(selectedImiId)) { 937 // This is the first time of the user switch and 938 // set the current ime to the proper one. 939 resetDefaultImeLocked(mContext); 940 } 941 } else { 942 // If the locale is changed, needs to reset the default ime 943 resetDefaultImeLocked(mContext); 944 } 945 updateFromSettingsLocked(true); 946 mLastSystemLocale = newLocale; 947 if (!updateOnlyWhenLocaleChanged) { 948 try { 949 startInputInnerLocked(); 950 } catch (RuntimeException e) { 951 Slog.w(TAG, "Unexpected exception", e); 952 } 953 } 954 } 955 } 956 957 private void resetStateIfCurrentLocaleChangedLocked() { 958 resetAllInternalStateLocked(true /* updateOnlyWhenLocaleChanged */, 959 true /* resetDefaultImeLocked */); 960 } 961 962 private void switchUserLocked(int newUserId) { 963 if (DEBUG) Slog.d(TAG, "Switching user stage 1/3. newUserId=" + newUserId 964 + " currentUserId=" + mSettings.getCurrentUserId()); 965 966 mSettings.setCurrentUserId(newUserId); 967 updateCurrentProfileIds(); 968 // InputMethodFileManager should be reset when the user is changed 969 mFileManager = new InputMethodFileManager(mMethodMap, newUserId); 970 final String defaultImiId = mSettings.getSelectedInputMethod(); 971 972 if (DEBUG) Slog.d(TAG, "Switching user stage 2/3. newUserId=" + newUserId 973 + " defaultImiId=" + defaultImiId); 974 975 // For secondary users, the list of enabled IMEs may not have been updated since the 976 // callbacks to PackageMonitor are ignored for the secondary user. Here, defaultImiId may 977 // not be empty even if the IME has been uninstalled by the primary user. 978 // Even in such cases, IMMS works fine because it will find the most applicable 979 // IME for that user. 980 final boolean initialUserSwitch = TextUtils.isEmpty(defaultImiId); 981 resetAllInternalStateLocked(false /* updateOnlyWhenLocaleChanged */, 982 initialUserSwitch /* needsToResetDefaultIme */); 983 if (initialUserSwitch) { 984 InputMethodUtils.setNonSelectedSystemImesDisabledUntilUsed(mContext.getPackageManager(), 985 mSettings.getEnabledInputMethodListLocked()); 986 } 987 988 if (DEBUG) Slog.d(TAG, "Switching user stage 3/3. newUserId=" + newUserId 989 + " selectedIme=" + mSettings.getSelectedInputMethod()); 990 } 991 992 void updateCurrentProfileIds() { 993 List<UserInfo> profiles = 994 UserManager.get(mContext).getProfiles(mSettings.getCurrentUserId()); 995 int[] currentProfileIds = new int[profiles.size()]; // profiles will not be null 996 for (int i = 0; i < currentProfileIds.length; i++) { 997 currentProfileIds[i] = profiles.get(i).id; 998 } 999 mSettings.setCurrentProfileIds(currentProfileIds); 1000 } 1001 1002 @Override 1003 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 1004 throws RemoteException { 1005 try { 1006 return super.onTransact(code, data, reply, flags); 1007 } catch (RuntimeException e) { 1008 // The input method manager only throws security exceptions, so let's 1009 // log all others. 1010 if (!(e instanceof SecurityException)) { 1011 Slog.wtf(TAG, "Input Method Manager Crash", e); 1012 } 1013 throw e; 1014 } 1015 } 1016 1017 public void systemRunning(StatusBarManagerService statusBar) { 1018 synchronized (mMethodMap) { 1019 if (DEBUG) { 1020 Slog.d(TAG, "--- systemReady"); 1021 } 1022 if (!mSystemReady) { 1023 mSystemReady = true; 1024 mKeyguardManager = 1025 (KeyguardManager) mContext.getSystemService(Context.KEYGUARD_SERVICE); 1026 mNotificationManager = (NotificationManager) 1027 mContext.getSystemService(Context.NOTIFICATION_SERVICE); 1028 mStatusBar = statusBar; 1029 statusBar.setIconVisibility("ime", false); 1030 updateSystemUiLocked(mCurToken, mImeWindowVis, mBackDisposition); 1031 mShowOngoingImeSwitcherForPhones = mRes.getBoolean( 1032 com.android.internal.R.bool.show_ongoing_ime_switcher); 1033 if (mShowOngoingImeSwitcherForPhones) { 1034 mWindowManagerService.setOnHardKeyboardStatusChangeListener( 1035 mHardKeyboardListener); 1036 } 1037 buildInputMethodListLocked(mMethodList, mMethodMap, 1038 !mImeSelectedOnBoot /* resetDefaultEnabledIme */); 1039 if (!mImeSelectedOnBoot) { 1040 Slog.w(TAG, "Reset the default IME as \"Resource\" is ready here."); 1041 resetStateIfCurrentLocaleChangedLocked(); 1042 InputMethodUtils.setNonSelectedSystemImesDisabledUntilUsed( 1043 mContext.getPackageManager(), 1044 mSettings.getEnabledInputMethodListLocked()); 1045 } 1046 mLastSystemLocale = mRes.getConfiguration().locale; 1047 try { 1048 startInputInnerLocked(); 1049 } catch (RuntimeException e) { 1050 Slog.w(TAG, "Unexpected exception", e); 1051 } 1052 } 1053 } 1054 } 1055 1056 // --------------------------------------------------------------------------------------- 1057 // Check whether or not this is a valid IPC. Assumes an IPC is valid when either 1058 // 1) it comes from the system process 1059 // 2) the calling process' user id is identical to the current user id IMMS thinks. 1060 private boolean calledFromValidUser() { 1061 final int uid = Binder.getCallingUid(); 1062 final int userId = UserHandle.getUserId(uid); 1063 if (DEBUG) { 1064 Slog.d(TAG, "--- calledFromForegroundUserOrSystemProcess ? " 1065 + "calling uid = " + uid + " system uid = " + Process.SYSTEM_UID 1066 + " calling userId = " + userId + ", foreground user id = " 1067 + mSettings.getCurrentUserId() + ", calling pid = " + Binder.getCallingPid() 1068 + InputMethodUtils.getApiCallStack()); 1069 } 1070 if (uid == Process.SYSTEM_UID || mSettings.isCurrentProfile(userId)) { 1071 return true; 1072 } 1073 1074 // Caveat: A process which has INTERACT_ACROSS_USERS_FULL gets results for the 1075 // foreground user, not for the user of that process. Accordingly InputMethodManagerService 1076 // must not manage background users' states in any functions. 1077 // Note that privacy-sensitive IPCs, such as setInputMethod, are still securely guarded 1078 // by a token. 1079 if (mContext.checkCallingOrSelfPermission( 1080 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL) 1081 == PackageManager.PERMISSION_GRANTED) { 1082 if (DEBUG) { 1083 Slog.d(TAG, "--- Access granted because the calling process has " 1084 + "the INTERACT_ACROSS_USERS_FULL permission"); 1085 } 1086 return true; 1087 } 1088 Slog.w(TAG, "--- IPC called from background users. Ignore. \n" 1089 + InputMethodUtils.getStackTrace()); 1090 return false; 1091 } 1092 1093 1094 /** 1095 * Returns true iff the caller is identified to be the current input method with the token. 1096 * @param token The window token given to the input method when it was started. 1097 * @return true if and only if non-null valid token is specified. 1098 */ 1099 private boolean calledWithValidToken(IBinder token) { 1100 if (token == null || mCurToken != token) { 1101 return false; 1102 } 1103 return true; 1104 } 1105 1106 private boolean bindCurrentInputMethodService( 1107 Intent service, ServiceConnection conn, int flags) { 1108 if (service == null || conn == null) { 1109 Slog.e(TAG, "--- bind failed: service = " + service + ", conn = " + conn); 1110 return false; 1111 } 1112 return mContext.bindServiceAsUser(service, conn, flags, 1113 new UserHandle(mSettings.getCurrentUserId())); 1114 } 1115 1116 @Override 1117 public List<InputMethodInfo> getInputMethodList() { 1118 // TODO: Make this work even for non-current users? 1119 if (!calledFromValidUser()) { 1120 return Collections.emptyList(); 1121 } 1122 synchronized (mMethodMap) { 1123 return new ArrayList<InputMethodInfo>(mMethodList); 1124 } 1125 } 1126 1127 @Override 1128 public List<InputMethodInfo> getEnabledInputMethodList() { 1129 // TODO: Make this work even for non-current users? 1130 if (!calledFromValidUser()) { 1131 return Collections.emptyList(); 1132 } 1133 synchronized (mMethodMap) { 1134 return mSettings.getEnabledInputMethodListLocked(); 1135 } 1136 } 1137 1138 /** 1139 * @param imiId if null, returns enabled subtypes for the current imi 1140 * @return enabled subtypes of the specified imi 1141 */ 1142 @Override 1143 public List<InputMethodSubtype> getEnabledInputMethodSubtypeList(String imiId, 1144 boolean allowsImplicitlySelectedSubtypes) { 1145 // TODO: Make this work even for non-current users? 1146 if (!calledFromValidUser()) { 1147 return Collections.<InputMethodSubtype>emptyList(); 1148 } 1149 synchronized (mMethodMap) { 1150 final InputMethodInfo imi; 1151 if (imiId == null && mCurMethodId != null) { 1152 imi = mMethodMap.get(mCurMethodId); 1153 } else { 1154 imi = mMethodMap.get(imiId); 1155 } 1156 if (imi == null) { 1157 return Collections.<InputMethodSubtype>emptyList(); 1158 } 1159 return mSettings.getEnabledInputMethodSubtypeListLocked( 1160 mContext, imi, allowsImplicitlySelectedSubtypes); 1161 } 1162 } 1163 1164 @Override 1165 public void addClient(IInputMethodClient client, 1166 IInputContext inputContext, int uid, int pid) { 1167 if (!calledFromValidUser()) { 1168 return; 1169 } 1170 synchronized (mMethodMap) { 1171 mClients.put(client.asBinder(), new ClientState(client, 1172 inputContext, uid, pid)); 1173 } 1174 } 1175 1176 @Override 1177 public void removeClient(IInputMethodClient client) { 1178 if (!calledFromValidUser()) { 1179 return; 1180 } 1181 synchronized (mMethodMap) { 1182 ClientState cs = mClients.remove(client.asBinder()); 1183 if (cs != null) { 1184 clearClientSessionLocked(cs); 1185 } 1186 } 1187 } 1188 1189 void executeOrSendMessage(IInterface target, Message msg) { 1190 if (target.asBinder() instanceof Binder) { 1191 mCaller.sendMessage(msg); 1192 } else { 1193 handleMessage(msg); 1194 msg.recycle(); 1195 } 1196 } 1197 1198 void unbindCurrentClientLocked() { 1199 if (mCurClient != null) { 1200 if (DEBUG) Slog.v(TAG, "unbindCurrentInputLocked: client = " 1201 + mCurClient.client.asBinder()); 1202 if (mBoundToMethod) { 1203 mBoundToMethod = false; 1204 if (mCurMethod != null) { 1205 executeOrSendMessage(mCurMethod, mCaller.obtainMessageO( 1206 MSG_UNBIND_INPUT, mCurMethod)); 1207 } 1208 } 1209 1210 executeOrSendMessage(mCurClient.client, mCaller.obtainMessageIO( 1211 MSG_SET_ACTIVE, 0, mCurClient)); 1212 executeOrSendMessage(mCurClient.client, mCaller.obtainMessageIO( 1213 MSG_UNBIND_METHOD, mCurSeq, mCurClient.client)); 1214 mCurClient.sessionRequested = false; 1215 mCurClient = null; 1216 1217 hideInputMethodMenuLocked(); 1218 } 1219 } 1220 1221 private int getImeShowFlags() { 1222 int flags = 0; 1223 if (mShowForced) { 1224 flags |= InputMethod.SHOW_FORCED 1225 | InputMethod.SHOW_EXPLICIT; 1226 } else if (mShowExplicitlyRequested) { 1227 flags |= InputMethod.SHOW_EXPLICIT; 1228 } 1229 return flags; 1230 } 1231 1232 private int getAppShowFlags() { 1233 int flags = 0; 1234 if (mShowForced) { 1235 flags |= InputMethodManager.SHOW_FORCED; 1236 } else if (!mShowExplicitlyRequested) { 1237 flags |= InputMethodManager.SHOW_IMPLICIT; 1238 } 1239 return flags; 1240 } 1241 1242 InputBindResult attachNewInputLocked(boolean initial) { 1243 if (!mBoundToMethod) { 1244 executeOrSendMessage(mCurMethod, mCaller.obtainMessageOO( 1245 MSG_BIND_INPUT, mCurMethod, mCurClient.binding)); 1246 mBoundToMethod = true; 1247 } 1248 final SessionState session = mCurClient.curSession; 1249 if (initial) { 1250 executeOrSendMessage(session.method, mCaller.obtainMessageOOO( 1251 MSG_START_INPUT, session, mCurInputContext, mCurAttribute)); 1252 } else { 1253 executeOrSendMessage(session.method, mCaller.obtainMessageOOO( 1254 MSG_RESTART_INPUT, session, mCurInputContext, mCurAttribute)); 1255 } 1256 if (mShowRequested) { 1257 if (DEBUG) Slog.v(TAG, "Attach new input asks to show input"); 1258 showCurrentInputLocked(getAppShowFlags(), null); 1259 } 1260 return new InputBindResult(session.session, 1261 (session.channel != null ? session.channel.dup() : null), 1262 mCurId, mCurSeq, mCurUserActionNotificationSequenceNumber); 1263 } 1264 1265 InputBindResult startInputLocked(IInputMethodClient client, 1266 IInputContext inputContext, EditorInfo attribute, int controlFlags) { 1267 // If no method is currently selected, do nothing. 1268 if (mCurMethodId == null) { 1269 return mNoBinding; 1270 } 1271 1272 ClientState cs = mClients.get(client.asBinder()); 1273 if (cs == null) { 1274 throw new IllegalArgumentException("unknown client " 1275 + client.asBinder()); 1276 } 1277 1278 try { 1279 if (!mIWindowManager.inputMethodClientHasFocus(cs.client)) { 1280 // Check with the window manager to make sure this client actually 1281 // has a window with focus. If not, reject. This is thread safe 1282 // because if the focus changes some time before or after, the 1283 // next client receiving focus that has any interest in input will 1284 // be calling through here after that change happens. 1285 Slog.w(TAG, "Starting input on non-focused client " + cs.client 1286 + " (uid=" + cs.uid + " pid=" + cs.pid + ")"); 1287 return null; 1288 } 1289 } catch (RemoteException e) { 1290 } 1291 1292 return startInputUncheckedLocked(cs, inputContext, attribute, controlFlags); 1293 } 1294 1295 InputBindResult startInputUncheckedLocked(@NonNull ClientState cs, 1296 IInputContext inputContext, EditorInfo attribute, int controlFlags) { 1297 // If no method is currently selected, do nothing. 1298 if (mCurMethodId == null) { 1299 return mNoBinding; 1300 } 1301 1302 if (attribute != null) { 1303 // We accept an empty package name as a valid data. 1304 if (!TextUtils.isEmpty(attribute.packageName) && 1305 !InputMethodUtils.checkIfPackageBelongsToUid(mAppOpsManager, cs.uid, 1306 attribute.packageName)) { 1307 Slog.e(TAG, "Rejecting this client as it reported an invalid package name." 1308 + " uid=" + cs.uid + " package=" + attribute.packageName); 1309 return mNoBinding; 1310 } 1311 } 1312 1313 if (mCurClient != cs) { 1314 // Was the keyguard locked when switching over to the new client? 1315 mCurClientInKeyguard = isKeyguardLocked(); 1316 // If the client is changing, we need to switch over to the new 1317 // one. 1318 unbindCurrentClientLocked(); 1319 if (DEBUG) Slog.v(TAG, "switching to client: client = " 1320 + cs.client.asBinder() + " keyguard=" + mCurClientInKeyguard); 1321 1322 // If the screen is on, inform the new client it is active 1323 if (mScreenOn) { 1324 executeOrSendMessage(cs.client, mCaller.obtainMessageIO( 1325 MSG_SET_ACTIVE, mScreenOn ? 1 : 0, cs)); 1326 } 1327 } 1328 1329 // Bump up the sequence for this client and attach it. 1330 mCurSeq++; 1331 if (mCurSeq <= 0) mCurSeq = 1; 1332 mCurClient = cs; 1333 mCurInputContext = inputContext; 1334 mCurAttribute = attribute; 1335 1336 // Check if the input method is changing. 1337 if (mCurId != null && mCurId.equals(mCurMethodId)) { 1338 if (cs.curSession != null) { 1339 // Fast case: if we are already connected to the input method, 1340 // then just return it. 1341 return attachNewInputLocked( 1342 (controlFlags&InputMethodManager.CONTROL_START_INITIAL) != 0); 1343 } 1344 if (mHaveConnection) { 1345 if (mCurMethod != null) { 1346 // Return to client, and we will get back with it when 1347 // we have had a session made for it. 1348 requestClientSessionLocked(cs); 1349 return new InputBindResult(null, null, mCurId, mCurSeq, 1350 mCurUserActionNotificationSequenceNumber); 1351 } else if (SystemClock.uptimeMillis() 1352 < (mLastBindTime+TIME_TO_RECONNECT)) { 1353 // In this case we have connected to the service, but 1354 // don't yet have its interface. If it hasn't been too 1355 // long since we did the connection, we'll return to 1356 // the client and wait to get the service interface so 1357 // we can report back. If it has been too long, we want 1358 // to fall through so we can try a disconnect/reconnect 1359 // to see if we can get back in touch with the service. 1360 return new InputBindResult(null, null, mCurId, mCurSeq, 1361 mCurUserActionNotificationSequenceNumber); 1362 } else { 1363 EventLog.writeEvent(EventLogTags.IMF_FORCE_RECONNECT_IME, 1364 mCurMethodId, SystemClock.uptimeMillis()-mLastBindTime, 0); 1365 } 1366 } 1367 } 1368 1369 return startInputInnerLocked(); 1370 } 1371 1372 InputBindResult startInputInnerLocked() { 1373 if (mCurMethodId == null) { 1374 return mNoBinding; 1375 } 1376 1377 if (!mSystemReady) { 1378 // If the system is not yet ready, we shouldn't be running third 1379 // party code. 1380 return new InputBindResult(null, null, mCurMethodId, mCurSeq, 1381 mCurUserActionNotificationSequenceNumber); 1382 } 1383 1384 InputMethodInfo info = mMethodMap.get(mCurMethodId); 1385 if (info == null) { 1386 throw new IllegalArgumentException("Unknown id: " + mCurMethodId); 1387 } 1388 1389 unbindCurrentMethodLocked(false, true); 1390 1391 mCurIntent = new Intent(InputMethod.SERVICE_INTERFACE); 1392 mCurIntent.setComponent(info.getComponent()); 1393 mCurIntent.putExtra(Intent.EXTRA_CLIENT_LABEL, 1394 com.android.internal.R.string.input_method_binding_label); 1395 mCurIntent.putExtra(Intent.EXTRA_CLIENT_INTENT, PendingIntent.getActivity( 1396 mContext, 0, new Intent(Settings.ACTION_INPUT_METHOD_SETTINGS), 0)); 1397 if (bindCurrentInputMethodService(mCurIntent, this, Context.BIND_AUTO_CREATE 1398 | Context.BIND_NOT_VISIBLE | Context.BIND_NOT_FOREGROUND 1399 | Context.BIND_SHOWING_UI)) { 1400 mLastBindTime = SystemClock.uptimeMillis(); 1401 mHaveConnection = true; 1402 mCurId = info.getId(); 1403 mCurToken = new Binder(); 1404 try { 1405 if (true || DEBUG) Slog.v(TAG, "Adding window token: " + mCurToken); 1406 mIWindowManager.addWindowToken(mCurToken, 1407 WindowManager.LayoutParams.TYPE_INPUT_METHOD); 1408 } catch (RemoteException e) { 1409 } 1410 return new InputBindResult(null, null, mCurId, mCurSeq, 1411 mCurUserActionNotificationSequenceNumber); 1412 } else { 1413 mCurIntent = null; 1414 Slog.w(TAG, "Failure connecting to input method service: " 1415 + mCurIntent); 1416 } 1417 return null; 1418 } 1419 1420 @Override 1421 public InputBindResult startInput(IInputMethodClient client, 1422 IInputContext inputContext, EditorInfo attribute, int controlFlags) { 1423 if (!calledFromValidUser()) { 1424 return null; 1425 } 1426 synchronized (mMethodMap) { 1427 final long ident = Binder.clearCallingIdentity(); 1428 try { 1429 return startInputLocked(client, inputContext, attribute, controlFlags); 1430 } finally { 1431 Binder.restoreCallingIdentity(ident); 1432 } 1433 } 1434 } 1435 1436 @Override 1437 public void finishInput(IInputMethodClient client) { 1438 } 1439 1440 @Override 1441 public void onServiceConnected(ComponentName name, IBinder service) { 1442 synchronized (mMethodMap) { 1443 if (mCurIntent != null && name.equals(mCurIntent.getComponent())) { 1444 mCurMethod = IInputMethod.Stub.asInterface(service); 1445 if (mCurToken == null) { 1446 Slog.w(TAG, "Service connected without a token!"); 1447 unbindCurrentMethodLocked(false, false); 1448 return; 1449 } 1450 if (DEBUG) Slog.v(TAG, "Initiating attach with token: " + mCurToken); 1451 executeOrSendMessage(mCurMethod, mCaller.obtainMessageOO( 1452 MSG_ATTACH_TOKEN, mCurMethod, mCurToken)); 1453 if (mCurClient != null) { 1454 clearClientSessionLocked(mCurClient); 1455 requestClientSessionLocked(mCurClient); 1456 } 1457 } 1458 } 1459 } 1460 1461 void onSessionCreated(IInputMethod method, IInputMethodSession session, 1462 InputChannel channel) { 1463 synchronized (mMethodMap) { 1464 if (mCurMethod != null && method != null 1465 && mCurMethod.asBinder() == method.asBinder()) { 1466 if (mCurClient != null) { 1467 clearClientSessionLocked(mCurClient); 1468 mCurClient.curSession = new SessionState(mCurClient, 1469 method, session, channel); 1470 InputBindResult res = attachNewInputLocked(true); 1471 if (res.method != null) { 1472 executeOrSendMessage(mCurClient.client, mCaller.obtainMessageOO( 1473 MSG_BIND_METHOD, mCurClient.client, res)); 1474 } 1475 return; 1476 } 1477 } 1478 } 1479 1480 // Session abandoned. Close its associated input channel. 1481 channel.dispose(); 1482 } 1483 1484 void unbindCurrentMethodLocked(boolean reportToClient, boolean savePosition) { 1485 if (mVisibleBound) { 1486 mContext.unbindService(mVisibleConnection); 1487 mVisibleBound = false; 1488 } 1489 1490 if (mHaveConnection) { 1491 mContext.unbindService(this); 1492 mHaveConnection = false; 1493 } 1494 1495 if (mCurToken != null) { 1496 try { 1497 if (DEBUG) Slog.v(TAG, "Removing window token: " + mCurToken); 1498 if ((mImeWindowVis & InputMethodService.IME_ACTIVE) != 0 && savePosition) { 1499 // The current IME is shown. Hence an IME switch (transition) is happening. 1500 mWindowManagerService.saveLastInputMethodWindowForTransition(); 1501 } 1502 mIWindowManager.removeWindowToken(mCurToken); 1503 } catch (RemoteException e) { 1504 } 1505 mCurToken = null; 1506 } 1507 1508 mCurId = null; 1509 clearCurMethodLocked(); 1510 1511 if (reportToClient && mCurClient != null) { 1512 executeOrSendMessage(mCurClient.client, mCaller.obtainMessageIO( 1513 MSG_UNBIND_METHOD, mCurSeq, mCurClient.client)); 1514 } 1515 } 1516 1517 void requestClientSessionLocked(ClientState cs) { 1518 if (!cs.sessionRequested) { 1519 if (DEBUG) Slog.v(TAG, "Creating new session for client " + cs); 1520 InputChannel[] channels = InputChannel.openInputChannelPair(cs.toString()); 1521 cs.sessionRequested = true; 1522 executeOrSendMessage(mCurMethod, mCaller.obtainMessageOOO( 1523 MSG_CREATE_SESSION, mCurMethod, channels[1], 1524 new MethodCallback(this, mCurMethod, channels[0]))); 1525 } 1526 } 1527 1528 void clearClientSessionLocked(ClientState cs) { 1529 finishSessionLocked(cs.curSession); 1530 cs.curSession = null; 1531 cs.sessionRequested = false; 1532 } 1533 1534 private void finishSessionLocked(SessionState sessionState) { 1535 if (sessionState != null) { 1536 if (sessionState.session != null) { 1537 try { 1538 sessionState.session.finishSession(); 1539 } catch (RemoteException e) { 1540 Slog.w(TAG, "Session failed to close due to remote exception", e); 1541 updateSystemUiLocked(mCurToken, 0 /* vis */, mBackDisposition); 1542 } 1543 sessionState.session = null; 1544 } 1545 if (sessionState.channel != null) { 1546 sessionState.channel.dispose(); 1547 sessionState.channel = null; 1548 } 1549 } 1550 } 1551 1552 void clearCurMethodLocked() { 1553 if (mCurMethod != null) { 1554 for (ClientState cs : mClients.values()) { 1555 clearClientSessionLocked(cs); 1556 } 1557 1558 finishSessionLocked(mEnabledSession); 1559 mEnabledSession = null; 1560 mCurMethod = null; 1561 } 1562 if (mStatusBar != null) { 1563 mStatusBar.setIconVisibility("ime", false); 1564 } 1565 } 1566 1567 @Override 1568 public void onServiceDisconnected(ComponentName name) { 1569 synchronized (mMethodMap) { 1570 if (DEBUG) Slog.v(TAG, "Service disconnected: " + name 1571 + " mCurIntent=" + mCurIntent); 1572 if (mCurMethod != null && mCurIntent != null 1573 && name.equals(mCurIntent.getComponent())) { 1574 clearCurMethodLocked(); 1575 // We consider this to be a new bind attempt, since the system 1576 // should now try to restart the service for us. 1577 mLastBindTime = SystemClock.uptimeMillis(); 1578 mShowRequested = mInputShown; 1579 mInputShown = false; 1580 if (mCurClient != null) { 1581 executeOrSendMessage(mCurClient.client, mCaller.obtainMessageIO( 1582 MSG_UNBIND_METHOD, mCurSeq, mCurClient.client)); 1583 } 1584 } 1585 } 1586 } 1587 1588 @Override 1589 public void updateStatusIcon(IBinder token, String packageName, int iconId) { 1590 long ident = Binder.clearCallingIdentity(); 1591 try { 1592 synchronized (mMethodMap) { 1593 if (!calledWithValidToken(token)) { 1594 final int uid = Binder.getCallingUid(); 1595 Slog.e(TAG, "Ignoring updateStatusIcon due to an invalid token. uid:" + uid 1596 + " token:" + token); 1597 return; 1598 } 1599 if (iconId == 0) { 1600 if (DEBUG) Slog.d(TAG, "hide the small icon for the input method"); 1601 if (mStatusBar != null) { 1602 mStatusBar.setIconVisibility("ime", false); 1603 } 1604 } else if (packageName != null) { 1605 if (DEBUG) Slog.d(TAG, "show a small icon for the input method"); 1606 CharSequence contentDescription = null; 1607 try { 1608 // Use PackageManager to load label 1609 final PackageManager packageManager = mContext.getPackageManager(); 1610 contentDescription = packageManager.getApplicationLabel( 1611 mIPackageManager.getApplicationInfo(packageName, 0, 1612 mSettings.getCurrentUserId())); 1613 } catch (RemoteException e) { 1614 /* ignore */ 1615 } 1616 if (mStatusBar != null) { 1617 mStatusBar.setIcon("ime", packageName, iconId, 0, 1618 contentDescription != null 1619 ? contentDescription.toString() : null); 1620 mStatusBar.setIconVisibility("ime", true); 1621 } 1622 } 1623 } 1624 } finally { 1625 Binder.restoreCallingIdentity(ident); 1626 } 1627 } 1628 1629 private boolean shouldShowImeSwitcherLocked(int visibility) { 1630 if (!mShowOngoingImeSwitcherForPhones) return false; 1631 if (mSwitchingDialog != null) return false; 1632 if (isScreenLocked()) return false; 1633 if ((visibility & InputMethodService.IME_ACTIVE) == 0) return false; 1634 if (mWindowManagerService.isHardKeyboardAvailable()) { 1635 // When physical keyboard is attached, we show the ime switcher (or notification if 1636 // NavBar is not available) because SHOW_IME_WITH_HARD_KEYBOARD settings currently 1637 // exists in the IME switcher dialog. Might be OK to remove this condition once 1638 // SHOW_IME_WITH_HARD_KEYBOARD settings finds a good place to live. 1639 return true; 1640 } 1641 if ((visibility & InputMethodService.IME_VISIBLE) == 0) return false; 1642 1643 List<InputMethodInfo> imis = mSettings.getEnabledInputMethodListLocked(); 1644 final int N = imis.size(); 1645 if (N > 2) return true; 1646 if (N < 1) return false; 1647 int nonAuxCount = 0; 1648 int auxCount = 0; 1649 InputMethodSubtype nonAuxSubtype = null; 1650 InputMethodSubtype auxSubtype = null; 1651 for(int i = 0; i < N; ++i) { 1652 final InputMethodInfo imi = imis.get(i); 1653 final List<InputMethodSubtype> subtypes = 1654 mSettings.getEnabledInputMethodSubtypeListLocked(mContext, imi, true); 1655 final int subtypeCount = subtypes.size(); 1656 if (subtypeCount == 0) { 1657 ++nonAuxCount; 1658 } else { 1659 for (int j = 0; j < subtypeCount; ++j) { 1660 final InputMethodSubtype subtype = subtypes.get(j); 1661 if (!subtype.isAuxiliary()) { 1662 ++nonAuxCount; 1663 nonAuxSubtype = subtype; 1664 } else { 1665 ++auxCount; 1666 auxSubtype = subtype; 1667 } 1668 } 1669 } 1670 } 1671 if (nonAuxCount > 1 || auxCount > 1) { 1672 return true; 1673 } else if (nonAuxCount == 1 && auxCount == 1) { 1674 if (nonAuxSubtype != null && auxSubtype != null 1675 && (nonAuxSubtype.getLocale().equals(auxSubtype.getLocale()) 1676 || auxSubtype.overridesImplicitlyEnabledSubtype() 1677 || nonAuxSubtype.overridesImplicitlyEnabledSubtype()) 1678 && nonAuxSubtype.containsExtraValueKey(TAG_TRY_SUPPRESSING_IME_SWITCHER)) { 1679 return false; 1680 } 1681 return true; 1682 } 1683 return false; 1684 } 1685 1686 private boolean isKeyguardLocked() { 1687 return mKeyguardManager != null && mKeyguardManager.isKeyguardLocked(); 1688 } 1689 1690 @SuppressWarnings("deprecation") 1691 @Override 1692 public void setImeWindowStatus(IBinder token, int vis, int backDisposition) { 1693 if (!calledWithValidToken(token)) { 1694 final int uid = Binder.getCallingUid(); 1695 Slog.e(TAG, "Ignoring setImeWindowStatus due to an invalid token. uid:" + uid 1696 + " token:" + token); 1697 return; 1698 } 1699 1700 synchronized (mMethodMap) { 1701 mImeWindowVis = vis; 1702 mBackDisposition = backDisposition; 1703 updateSystemUiLocked(token, vis, backDisposition); 1704 } 1705 } 1706 1707 private void updateSystemUi(IBinder token, int vis, int backDisposition) { 1708 synchronized (mMethodMap) { 1709 updateSystemUiLocked(token, vis, backDisposition); 1710 } 1711 } 1712 1713 // Caution! This method is called in this class. Handle multi-user carefully 1714 private void updateSystemUiLocked(IBinder token, int vis, int backDisposition) { 1715 if (!calledWithValidToken(token)) { 1716 final int uid = Binder.getCallingUid(); 1717 Slog.e(TAG, "Ignoring updateSystemUiLocked due to an invalid token. uid:" + uid 1718 + " token:" + token); 1719 return; 1720 } 1721 1722 // TODO: Move this clearing calling identity block to setImeWindowStatus after making sure 1723 // all updateSystemUi happens on system previlege. 1724 final long ident = Binder.clearCallingIdentity(); 1725 try { 1726 // apply policy for binder calls 1727 if (vis != 0 && isKeyguardLocked() && !mCurClientInKeyguard) { 1728 vis = 0; 1729 } 1730 // mImeWindowVis should be updated before calling shouldShowImeSwitcherLocked(). 1731 final boolean needsToShowImeSwitcher = shouldShowImeSwitcherLocked(vis); 1732 if (mStatusBar != null) { 1733 mStatusBar.setImeWindowStatus(token, vis, backDisposition, 1734 needsToShowImeSwitcher); 1735 } 1736 final InputMethodInfo imi = mMethodMap.get(mCurMethodId); 1737 if (imi != null && needsToShowImeSwitcher) { 1738 // Used to load label 1739 final CharSequence title = mRes.getText( 1740 com.android.internal.R.string.select_input_method); 1741 final CharSequence summary = InputMethodUtils.getImeAndSubtypeDisplayName( 1742 mContext, imi, mCurrentSubtype); 1743 1744 mImeSwitcherNotification.color = mContext.getColor( 1745 com.android.internal.R.color.system_notification_accent_color); 1746 mImeSwitcherNotification.setLatestEventInfo( 1747 mContext, title, summary, mImeSwitchPendingIntent); 1748 if ((mNotificationManager != null) 1749 && !mWindowManagerService.hasNavigationBar()) { 1750 if (DEBUG) { 1751 Slog.d(TAG, "--- show notification: label = " + summary); 1752 } 1753 mNotificationManager.notifyAsUser(null, 1754 com.android.internal.R.string.select_input_method, 1755 mImeSwitcherNotification, UserHandle.ALL); 1756 mNotificationShown = true; 1757 } 1758 } else { 1759 if (mNotificationShown && mNotificationManager != null) { 1760 if (DEBUG) { 1761 Slog.d(TAG, "--- hide notification"); 1762 } 1763 mNotificationManager.cancelAsUser(null, 1764 com.android.internal.R.string.select_input_method, UserHandle.ALL); 1765 mNotificationShown = false; 1766 } 1767 } 1768 } finally { 1769 Binder.restoreCallingIdentity(ident); 1770 } 1771 } 1772 1773 @Override 1774 public void registerSuggestionSpansForNotification(SuggestionSpan[] spans) { 1775 if (!calledFromValidUser()) { 1776 return; 1777 } 1778 synchronized (mMethodMap) { 1779 final InputMethodInfo currentImi = mMethodMap.get(mCurMethodId); 1780 for (int i = 0; i < spans.length; ++i) { 1781 SuggestionSpan ss = spans[i]; 1782 if (!TextUtils.isEmpty(ss.getNotificationTargetClassName())) { 1783 mSecureSuggestionSpans.put(ss, currentImi); 1784 } 1785 } 1786 } 1787 } 1788 1789 @Override 1790 public boolean notifySuggestionPicked(SuggestionSpan span, String originalString, int index) { 1791 if (!calledFromValidUser()) { 1792 return false; 1793 } 1794 synchronized (mMethodMap) { 1795 final InputMethodInfo targetImi = mSecureSuggestionSpans.get(span); 1796 // TODO: Do not send the intent if the process of the targetImi is already dead. 1797 if (targetImi != null) { 1798 final String[] suggestions = span.getSuggestions(); 1799 if (index < 0 || index >= suggestions.length) return false; 1800 final String className = span.getNotificationTargetClassName(); 1801 final Intent intent = new Intent(); 1802 // Ensures that only a class in the original IME package will receive the 1803 // notification. 1804 intent.setClassName(targetImi.getPackageName(), className); 1805 intent.setAction(SuggestionSpan.ACTION_SUGGESTION_PICKED); 1806 intent.putExtra(SuggestionSpan.SUGGESTION_SPAN_PICKED_BEFORE, originalString); 1807 intent.putExtra(SuggestionSpan.SUGGESTION_SPAN_PICKED_AFTER, suggestions[index]); 1808 intent.putExtra(SuggestionSpan.SUGGESTION_SPAN_PICKED_HASHCODE, span.hashCode()); 1809 final long ident = Binder.clearCallingIdentity(); 1810 try { 1811 mContext.sendBroadcastAsUser(intent, UserHandle.CURRENT); 1812 } finally { 1813 Binder.restoreCallingIdentity(ident); 1814 } 1815 return true; 1816 } 1817 } 1818 return false; 1819 } 1820 1821 void updateFromSettingsLocked(boolean enabledMayChange) { 1822 updateInputMethodsFromSettingsLocked(enabledMayChange); 1823 updateKeyboardFromSettingsLocked(); 1824 } 1825 1826 void updateInputMethodsFromSettingsLocked(boolean enabledMayChange) { 1827 if (enabledMayChange) { 1828 List<InputMethodInfo> enabled = mSettings.getEnabledInputMethodListLocked(); 1829 for (int i=0; i<enabled.size(); i++) { 1830 // We allow the user to select "disabled until used" apps, so if they 1831 // are enabling one of those here we now need to make it enabled. 1832 InputMethodInfo imm = enabled.get(i); 1833 try { 1834 ApplicationInfo ai = mIPackageManager.getApplicationInfo(imm.getPackageName(), 1835 PackageManager.GET_DISABLED_UNTIL_USED_COMPONENTS, 1836 mSettings.getCurrentUserId()); 1837 if (ai != null && ai.enabledSetting 1838 == PackageManager.COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED) { 1839 if (DEBUG) { 1840 Slog.d(TAG, "Update state(" + imm.getId() 1841 + "): DISABLED_UNTIL_USED -> DEFAULT"); 1842 } 1843 mIPackageManager.setApplicationEnabledSetting(imm.getPackageName(), 1844 PackageManager.COMPONENT_ENABLED_STATE_DEFAULT, 1845 PackageManager.DONT_KILL_APP, mSettings.getCurrentUserId(), 1846 mContext.getBasePackageName()); 1847 } 1848 } catch (RemoteException e) { 1849 } 1850 } 1851 } 1852 // We are assuming that whoever is changing DEFAULT_INPUT_METHOD and 1853 // ENABLED_INPUT_METHODS is taking care of keeping them correctly in 1854 // sync, so we will never have a DEFAULT_INPUT_METHOD that is not 1855 // enabled. 1856 String id = mSettings.getSelectedInputMethod(); 1857 // There is no input method selected, try to choose new applicable input method. 1858 if (TextUtils.isEmpty(id) && chooseNewDefaultIMELocked()) { 1859 id = mSettings.getSelectedInputMethod(); 1860 } 1861 if (!TextUtils.isEmpty(id)) { 1862 try { 1863 setInputMethodLocked(id, mSettings.getSelectedInputMethodSubtypeId(id)); 1864 } catch (IllegalArgumentException e) { 1865 Slog.w(TAG, "Unknown input method from prefs: " + id, e); 1866 mCurMethodId = null; 1867 unbindCurrentMethodLocked(true, false); 1868 } 1869 mShortcutInputMethodsAndSubtypes.clear(); 1870 } else { 1871 // There is no longer an input method set, so stop any current one. 1872 mCurMethodId = null; 1873 unbindCurrentMethodLocked(true, false); 1874 } 1875 // Here is not the perfect place to reset the switching controller. Ideally 1876 // mSwitchingController and mSettings should be able to share the same state. 1877 // TODO: Make sure that mSwitchingController and mSettings are sharing the 1878 // the same enabled IMEs list. 1879 mSwitchingController.resetCircularListLocked(mContext); 1880 1881 } 1882 1883 public void updateKeyboardFromSettingsLocked() { 1884 mShowImeWithHardKeyboard = mSettings.isShowImeWithHardKeyboardEnabled(); 1885 if (mSwitchingDialog != null 1886 && mSwitchingDialogTitleView != null 1887 && mSwitchingDialog.isShowing()) { 1888 final Switch hardKeySwitch = (Switch)mSwitchingDialogTitleView.findViewById( 1889 com.android.internal.R.id.hard_keyboard_switch); 1890 hardKeySwitch.setChecked(mShowImeWithHardKeyboard); 1891 } 1892 } 1893 1894 /* package */ void setInputMethodLocked(String id, int subtypeId) { 1895 InputMethodInfo info = mMethodMap.get(id); 1896 if (info == null) { 1897 throw new IllegalArgumentException("Unknown id: " + id); 1898 } 1899 1900 if (mCurClient != null && mCurAttribute != null) { 1901 // We have already made sure that the package name belongs to the application's UID. 1902 // No further UID check is required. 1903 if (SystemConfig.getInstance().getFixedImeApps().contains(mCurAttribute.packageName)) { 1904 return; 1905 } 1906 } 1907 1908 // See if we need to notify a subtype change within the same IME. 1909 if (id.equals(mCurMethodId)) { 1910 final int subtypeCount = info.getSubtypeCount(); 1911 if (subtypeCount <= 0) { 1912 return; 1913 } 1914 final InputMethodSubtype oldSubtype = mCurrentSubtype; 1915 final InputMethodSubtype newSubtype; 1916 if (subtypeId >= 0 && subtypeId < subtypeCount) { 1917 newSubtype = info.getSubtypeAt(subtypeId); 1918 } else { 1919 // If subtype is null, try to find the most applicable one from 1920 // getCurrentInputMethodSubtype. 1921 newSubtype = getCurrentInputMethodSubtypeLocked(); 1922 } 1923 if (newSubtype == null || oldSubtype == null) { 1924 Slog.w(TAG, "Illegal subtype state: old subtype = " + oldSubtype 1925 + ", new subtype = " + newSubtype); 1926 return; 1927 } 1928 if (newSubtype != oldSubtype) { 1929 setSelectedInputMethodAndSubtypeLocked(info, subtypeId, true); 1930 if (mCurMethod != null) { 1931 try { 1932 updateSystemUiLocked(mCurToken, mImeWindowVis, mBackDisposition); 1933 mCurMethod.changeInputMethodSubtype(newSubtype); 1934 } catch (RemoteException e) { 1935 Slog.w(TAG, "Failed to call changeInputMethodSubtype"); 1936 } 1937 } 1938 } 1939 return; 1940 } 1941 1942 // Changing to a different IME. 1943 final long ident = Binder.clearCallingIdentity(); 1944 try { 1945 // Set a subtype to this input method. 1946 // subtypeId the name of a subtype which will be set. 1947 setSelectedInputMethodAndSubtypeLocked(info, subtypeId, false); 1948 // mCurMethodId should be updated after setSelectedInputMethodAndSubtypeLocked() 1949 // because mCurMethodId is stored as a history in 1950 // setSelectedInputMethodAndSubtypeLocked(). 1951 mCurMethodId = id; 1952 1953 if (ActivityManagerNative.isSystemReady()) { 1954 Intent intent = new Intent(Intent.ACTION_INPUT_METHOD_CHANGED); 1955 intent.addFlags(Intent.FLAG_RECEIVER_REPLACE_PENDING); 1956 intent.putExtra("input_method_id", id); 1957 mContext.sendBroadcastAsUser(intent, UserHandle.CURRENT); 1958 } 1959 unbindCurrentClientLocked(); 1960 } finally { 1961 Binder.restoreCallingIdentity(ident); 1962 } 1963 } 1964 1965 @Override 1966 public boolean showSoftInput(IInputMethodClient client, int flags, 1967 ResultReceiver resultReceiver) { 1968 if (!calledFromValidUser()) { 1969 return false; 1970 } 1971 int uid = Binder.getCallingUid(); 1972 long ident = Binder.clearCallingIdentity(); 1973 try { 1974 synchronized (mMethodMap) { 1975 if (mCurClient == null || client == null 1976 || mCurClient.client.asBinder() != client.asBinder()) { 1977 try { 1978 // We need to check if this is the current client with 1979 // focus in the window manager, to allow this call to 1980 // be made before input is started in it. 1981 if (!mIWindowManager.inputMethodClientHasFocus(client)) { 1982 Slog.w(TAG, "Ignoring showSoftInput of uid " + uid + ": " + client); 1983 return false; 1984 } 1985 } catch (RemoteException e) { 1986 return false; 1987 } 1988 } 1989 1990 if (DEBUG) Slog.v(TAG, "Client requesting input be shown"); 1991 return showCurrentInputLocked(flags, resultReceiver); 1992 } 1993 } finally { 1994 Binder.restoreCallingIdentity(ident); 1995 } 1996 } 1997 1998 boolean showCurrentInputLocked(int flags, ResultReceiver resultReceiver) { 1999 mShowRequested = true; 2000 if ((flags&InputMethodManager.SHOW_IMPLICIT) == 0) { 2001 mShowExplicitlyRequested = true; 2002 } 2003 if ((flags&InputMethodManager.SHOW_FORCED) != 0) { 2004 mShowExplicitlyRequested = true; 2005 mShowForced = true; 2006 } 2007 2008 if (!mSystemReady) { 2009 return false; 2010 } 2011 2012 boolean res = false; 2013 if (mCurMethod != null) { 2014 if (DEBUG) Slog.d(TAG, "showCurrentInputLocked: mCurToken=" + mCurToken); 2015 executeOrSendMessage(mCurMethod, mCaller.obtainMessageIOO( 2016 MSG_SHOW_SOFT_INPUT, getImeShowFlags(), mCurMethod, 2017 resultReceiver)); 2018 mInputShown = true; 2019 if (mHaveConnection && !mVisibleBound) { 2020 bindCurrentInputMethodService( 2021 mCurIntent, mVisibleConnection, Context.BIND_AUTO_CREATE 2022 | Context.BIND_TREAT_LIKE_ACTIVITY 2023 | Context.BIND_FOREGROUND_SERVICE); 2024 mVisibleBound = true; 2025 } 2026 res = true; 2027 } else if (mHaveConnection && SystemClock.uptimeMillis() 2028 >= (mLastBindTime+TIME_TO_RECONNECT)) { 2029 // The client has asked to have the input method shown, but 2030 // we have been sitting here too long with a connection to the 2031 // service and no interface received, so let's disconnect/connect 2032 // to try to prod things along. 2033 EventLog.writeEvent(EventLogTags.IMF_FORCE_RECONNECT_IME, mCurMethodId, 2034 SystemClock.uptimeMillis()-mLastBindTime,1); 2035 Slog.w(TAG, "Force disconnect/connect to the IME in showCurrentInputLocked()"); 2036 mContext.unbindService(this); 2037 bindCurrentInputMethodService(mCurIntent, this, Context.BIND_AUTO_CREATE 2038 | Context.BIND_NOT_VISIBLE); 2039 } else { 2040 if (DEBUG) { 2041 Slog.d(TAG, "Can't show input: connection = " + mHaveConnection + ", time = " 2042 + ((mLastBindTime+TIME_TO_RECONNECT) - SystemClock.uptimeMillis())); 2043 } 2044 } 2045 2046 return res; 2047 } 2048 2049 @Override 2050 public boolean hideSoftInput(IInputMethodClient client, int flags, 2051 ResultReceiver resultReceiver) { 2052 if (!calledFromValidUser()) { 2053 return false; 2054 } 2055 int uid = Binder.getCallingUid(); 2056 long ident = Binder.clearCallingIdentity(); 2057 try { 2058 synchronized (mMethodMap) { 2059 if (mCurClient == null || client == null 2060 || mCurClient.client.asBinder() != client.asBinder()) { 2061 try { 2062 // We need to check if this is the current client with 2063 // focus in the window manager, to allow this call to 2064 // be made before input is started in it. 2065 if (!mIWindowManager.inputMethodClientHasFocus(client)) { 2066 if (DEBUG) Slog.w(TAG, "Ignoring hideSoftInput of uid " 2067 + uid + ": " + client); 2068 return false; 2069 } 2070 } catch (RemoteException e) { 2071 return false; 2072 } 2073 } 2074 2075 if (DEBUG) Slog.v(TAG, "Client requesting input be hidden"); 2076 return hideCurrentInputLocked(flags, resultReceiver); 2077 } 2078 } finally { 2079 Binder.restoreCallingIdentity(ident); 2080 } 2081 } 2082 2083 boolean hideCurrentInputLocked(int flags, ResultReceiver resultReceiver) { 2084 if ((flags&InputMethodManager.HIDE_IMPLICIT_ONLY) != 0 2085 && (mShowExplicitlyRequested || mShowForced)) { 2086 if (DEBUG) Slog.v(TAG, "Not hiding: explicit show not cancelled by non-explicit hide"); 2087 return false; 2088 } 2089 if (mShowForced && (flags&InputMethodManager.HIDE_NOT_ALWAYS) != 0) { 2090 if (DEBUG) Slog.v(TAG, "Not hiding: forced show not cancelled by not-always hide"); 2091 return false; 2092 } 2093 boolean res; 2094 if ((mImeWindowVis & InputMethodService.IME_ACTIVE) != 0 && mCurMethod != null) { 2095 executeOrSendMessage(mCurMethod, mCaller.obtainMessageOO( 2096 MSG_HIDE_SOFT_INPUT, mCurMethod, resultReceiver)); 2097 res = true; 2098 } else { 2099 res = false; 2100 } 2101 if (mHaveConnection && mVisibleBound) { 2102 mContext.unbindService(mVisibleConnection); 2103 mVisibleBound = false; 2104 } 2105 mInputShown = false; 2106 mShowRequested = false; 2107 mShowExplicitlyRequested = false; 2108 mShowForced = false; 2109 return res; 2110 } 2111 2112 @Override 2113 public InputBindResult windowGainedFocus(IInputMethodClient client, IBinder windowToken, 2114 int controlFlags, int softInputMode, int windowFlags, 2115 EditorInfo attribute, IInputContext inputContext) { 2116 // Needs to check the validity before clearing calling identity 2117 final boolean calledFromValidUser = calledFromValidUser(); 2118 2119 InputBindResult res = null; 2120 long ident = Binder.clearCallingIdentity(); 2121 try { 2122 synchronized (mMethodMap) { 2123 if (DEBUG) Slog.v(TAG, "windowGainedFocus: " + client.asBinder() 2124 + " controlFlags=#" + Integer.toHexString(controlFlags) 2125 + " softInputMode=#" + Integer.toHexString(softInputMode) 2126 + " windowFlags=#" + Integer.toHexString(windowFlags)); 2127 2128 ClientState cs = mClients.get(client.asBinder()); 2129 if (cs == null) { 2130 throw new IllegalArgumentException("unknown client " 2131 + client.asBinder()); 2132 } 2133 2134 try { 2135 if (!mIWindowManager.inputMethodClientHasFocus(cs.client)) { 2136 // Check with the window manager to make sure this client actually 2137 // has a window with focus. If not, reject. This is thread safe 2138 // because if the focus changes some time before or after, the 2139 // next client receiving focus that has any interest in input will 2140 // be calling through here after that change happens. 2141 Slog.w(TAG, "Focus gain on non-focused client " + cs.client 2142 + " (uid=" + cs.uid + " pid=" + cs.pid + ")"); 2143 return null; 2144 } 2145 } catch (RemoteException e) { 2146 } 2147 2148 if (!calledFromValidUser) { 2149 Slog.w(TAG, "A background user is requesting window. Hiding IME."); 2150 Slog.w(TAG, "If you want to interect with IME, you need " 2151 + "android.permission.INTERACT_ACROSS_USERS_FULL"); 2152 hideCurrentInputLocked(0, null); 2153 return null; 2154 } 2155 2156 if (mCurFocusedWindow == windowToken) { 2157 Slog.w(TAG, "Window already focused, ignoring focus gain of: " + client 2158 + " attribute=" + attribute + ", token = " + windowToken); 2159 if (attribute != null) { 2160 return startInputUncheckedLocked(cs, inputContext, attribute, 2161 controlFlags); 2162 } 2163 return null; 2164 } 2165 mCurFocusedWindow = windowToken; 2166 2167 // Should we auto-show the IME even if the caller has not 2168 // specified what should be done with it? 2169 // We only do this automatically if the window can resize 2170 // to accommodate the IME (so what the user sees will give 2171 // them good context without input information being obscured 2172 // by the IME) or if running on a large screen where there 2173 // is more room for the target window + IME. 2174 final boolean doAutoShow = 2175 (softInputMode & WindowManager.LayoutParams.SOFT_INPUT_MASK_ADJUST) 2176 == WindowManager.LayoutParams.SOFT_INPUT_ADJUST_RESIZE 2177 || mRes.getConfiguration().isLayoutSizeAtLeast( 2178 Configuration.SCREENLAYOUT_SIZE_LARGE); 2179 final boolean isTextEditor = 2180 (controlFlags&InputMethodManager.CONTROL_WINDOW_IS_TEXT_EDITOR) != 0; 2181 2182 // We want to start input before showing the IME, but after closing 2183 // it. We want to do this after closing it to help the IME disappear 2184 // more quickly (not get stuck behind it initializing itself for the 2185 // new focused input, even if its window wants to hide the IME). 2186 boolean didStart = false; 2187 2188 switch (softInputMode&WindowManager.LayoutParams.SOFT_INPUT_MASK_STATE) { 2189 case WindowManager.LayoutParams.SOFT_INPUT_STATE_UNSPECIFIED: 2190 if (!isTextEditor || !doAutoShow) { 2191 if (WindowManager.LayoutParams.mayUseInputMethod(windowFlags)) { 2192 // There is no focus view, and this window will 2193 // be behind any soft input window, so hide the 2194 // soft input window if it is shown. 2195 if (DEBUG) Slog.v(TAG, "Unspecified window will hide input"); 2196 hideCurrentInputLocked(InputMethodManager.HIDE_NOT_ALWAYS, null); 2197 } 2198 } else if (isTextEditor && doAutoShow && (softInputMode & 2199 WindowManager.LayoutParams.SOFT_INPUT_IS_FORWARD_NAVIGATION) != 0) { 2200 // There is a focus view, and we are navigating forward 2201 // into the window, so show the input window for the user. 2202 // We only do this automatically if the window can resize 2203 // to accommodate the IME (so what the user sees will give 2204 // them good context without input information being obscured 2205 // by the IME) or if running on a large screen where there 2206 // is more room for the target window + IME. 2207 if (DEBUG) Slog.v(TAG, "Unspecified window will show input"); 2208 if (attribute != null) { 2209 res = startInputUncheckedLocked(cs, inputContext, attribute, 2210 controlFlags); 2211 didStart = true; 2212 } 2213 showCurrentInputLocked(InputMethodManager.SHOW_IMPLICIT, null); 2214 } 2215 break; 2216 case WindowManager.LayoutParams.SOFT_INPUT_STATE_UNCHANGED: 2217 // Do nothing. 2218 break; 2219 case WindowManager.LayoutParams.SOFT_INPUT_STATE_HIDDEN: 2220 if ((softInputMode & 2221 WindowManager.LayoutParams.SOFT_INPUT_IS_FORWARD_NAVIGATION) != 0) { 2222 if (DEBUG) Slog.v(TAG, "Window asks to hide input going forward"); 2223 hideCurrentInputLocked(0, null); 2224 } 2225 break; 2226 case WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_HIDDEN: 2227 if (DEBUG) Slog.v(TAG, "Window asks to hide input"); 2228 hideCurrentInputLocked(0, null); 2229 break; 2230 case WindowManager.LayoutParams.SOFT_INPUT_STATE_VISIBLE: 2231 if ((softInputMode & 2232 WindowManager.LayoutParams.SOFT_INPUT_IS_FORWARD_NAVIGATION) != 0) { 2233 if (DEBUG) Slog.v(TAG, "Window asks to show input going forward"); 2234 if (attribute != null) { 2235 res = startInputUncheckedLocked(cs, inputContext, attribute, 2236 controlFlags); 2237 didStart = true; 2238 } 2239 showCurrentInputLocked(InputMethodManager.SHOW_IMPLICIT, null); 2240 } 2241 break; 2242 case WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_VISIBLE: 2243 if (DEBUG) Slog.v(TAG, "Window asks to always show input"); 2244 if (attribute != null) { 2245 res = startInputUncheckedLocked(cs, inputContext, attribute, 2246 controlFlags); 2247 didStart = true; 2248 } 2249 showCurrentInputLocked(InputMethodManager.SHOW_IMPLICIT, null); 2250 break; 2251 } 2252 2253 if (!didStart && attribute != null) { 2254 res = startInputUncheckedLocked(cs, inputContext, attribute, 2255 controlFlags); 2256 } 2257 } 2258 } finally { 2259 Binder.restoreCallingIdentity(ident); 2260 } 2261 2262 return res; 2263 } 2264 2265 @Override 2266 public void showInputMethodPickerFromClient( 2267 IInputMethodClient client, int auxiliarySubtypeMode) { 2268 if (!calledFromValidUser()) { 2269 return; 2270 } 2271 synchronized (mMethodMap) { 2272 if (mCurClient == null || client == null 2273 || mCurClient.client.asBinder() != client.asBinder()) { 2274 Slog.w(TAG, "Ignoring showInputMethodPickerFromClient of uid " 2275 + Binder.getCallingUid() + ": " + client); 2276 } 2277 2278 // Always call subtype picker, because subtype picker is a superset of input method 2279 // picker. 2280 mHandler.sendMessage(mCaller.obtainMessageI( 2281 MSG_SHOW_IM_SUBTYPE_PICKER, auxiliarySubtypeMode)); 2282 } 2283 } 2284 2285 @Override 2286 public void setInputMethod(IBinder token, String id) { 2287 if (!calledFromValidUser()) { 2288 return; 2289 } 2290 setInputMethodWithSubtypeId(token, id, NOT_A_SUBTYPE_ID); 2291 } 2292 2293 @Override 2294 public void setInputMethodAndSubtype(IBinder token, String id, InputMethodSubtype subtype) { 2295 if (!calledFromValidUser()) { 2296 return; 2297 } 2298 synchronized (mMethodMap) { 2299 if (subtype != null) { 2300 setInputMethodWithSubtypeIdLocked(token, id, 2301 InputMethodUtils.getSubtypeIdFromHashCode(mMethodMap.get(id), 2302 subtype.hashCode())); 2303 } else { 2304 setInputMethod(token, id); 2305 } 2306 } 2307 } 2308 2309 @Override 2310 public void showInputMethodAndSubtypeEnablerFromClient( 2311 IInputMethodClient client, String inputMethodId) { 2312 if (!calledFromValidUser()) { 2313 return; 2314 } 2315 synchronized (mMethodMap) { 2316 if (mCurClient == null || client == null 2317 || mCurClient.client.asBinder() != client.asBinder()) { 2318 Slog.w(TAG, "Ignoring showInputMethodAndSubtypeEnablerFromClient of: " + client); 2319 } 2320 executeOrSendMessage(mCurMethod, mCaller.obtainMessageO( 2321 MSG_SHOW_IM_SUBTYPE_ENABLER, inputMethodId)); 2322 } 2323 } 2324 2325 @Override 2326 public boolean switchToLastInputMethod(IBinder token) { 2327 if (!calledFromValidUser()) { 2328 return false; 2329 } 2330 synchronized (mMethodMap) { 2331 final Pair<String, String> lastIme = mSettings.getLastInputMethodAndSubtypeLocked(); 2332 final InputMethodInfo lastImi; 2333 if (lastIme != null) { 2334 lastImi = mMethodMap.get(lastIme.first); 2335 } else { 2336 lastImi = null; 2337 } 2338 String targetLastImiId = null; 2339 int subtypeId = NOT_A_SUBTYPE_ID; 2340 if (lastIme != null && lastImi != null) { 2341 final boolean imiIdIsSame = lastImi.getId().equals(mCurMethodId); 2342 final int lastSubtypeHash = Integer.valueOf(lastIme.second); 2343 final int currentSubtypeHash = mCurrentSubtype == null ? NOT_A_SUBTYPE_ID 2344 : mCurrentSubtype.hashCode(); 2345 // If the last IME is the same as the current IME and the last subtype is not 2346 // defined, there is no need to switch to the last IME. 2347 if (!imiIdIsSame || lastSubtypeHash != currentSubtypeHash) { 2348 targetLastImiId = lastIme.first; 2349 subtypeId = InputMethodUtils.getSubtypeIdFromHashCode(lastImi, lastSubtypeHash); 2350 } 2351 } 2352 2353 if (TextUtils.isEmpty(targetLastImiId) 2354 && !InputMethodUtils.canAddToLastInputMethod(mCurrentSubtype)) { 2355 // This is a safety net. If the currentSubtype can't be added to the history 2356 // and the framework couldn't find the last ime, we will make the last ime be 2357 // the most applicable enabled keyboard subtype of the system imes. 2358 final List<InputMethodInfo> enabled = mSettings.getEnabledInputMethodListLocked(); 2359 if (enabled != null) { 2360 final int N = enabled.size(); 2361 final String locale = mCurrentSubtype == null 2362 ? mRes.getConfiguration().locale.toString() 2363 : mCurrentSubtype.getLocale(); 2364 for (int i = 0; i < N; ++i) { 2365 final InputMethodInfo imi = enabled.get(i); 2366 if (imi.getSubtypeCount() > 0 && InputMethodUtils.isSystemIme(imi)) { 2367 InputMethodSubtype keyboardSubtype = 2368 InputMethodUtils.findLastResortApplicableSubtypeLocked(mRes, 2369 InputMethodUtils.getSubtypes(imi), 2370 InputMethodUtils.SUBTYPE_MODE_KEYBOARD, locale, true); 2371 if (keyboardSubtype != null) { 2372 targetLastImiId = imi.getId(); 2373 subtypeId = InputMethodUtils.getSubtypeIdFromHashCode( 2374 imi, keyboardSubtype.hashCode()); 2375 if(keyboardSubtype.getLocale().equals(locale)) { 2376 break; 2377 } 2378 } 2379 } 2380 } 2381 } 2382 } 2383 2384 if (!TextUtils.isEmpty(targetLastImiId)) { 2385 if (DEBUG) { 2386 Slog.d(TAG, "Switch to: " + lastImi.getId() + ", " + lastIme.second 2387 + ", from: " + mCurMethodId + ", " + subtypeId); 2388 } 2389 setInputMethodWithSubtypeIdLocked(token, targetLastImiId, subtypeId); 2390 return true; 2391 } else { 2392 return false; 2393 } 2394 } 2395 } 2396 2397 @Override 2398 public boolean switchToNextInputMethod(IBinder token, boolean onlyCurrentIme) { 2399 if (!calledFromValidUser()) { 2400 return false; 2401 } 2402 synchronized (mMethodMap) { 2403 if (!calledWithValidToken(token)) { 2404 final int uid = Binder.getCallingUid(); 2405 Slog.e(TAG, "Ignoring switchToNextInputMethod due to an invalid token. uid:" + uid 2406 + " token:" + token); 2407 return false; 2408 } 2409 final ImeSubtypeListItem nextSubtype = mSwitchingController.getNextInputMethodLocked( 2410 onlyCurrentIme, mMethodMap.get(mCurMethodId), mCurrentSubtype); 2411 if (nextSubtype == null) { 2412 return false; 2413 } 2414 setInputMethodWithSubtypeIdLocked(token, nextSubtype.mImi.getId(), 2415 nextSubtype.mSubtypeId); 2416 return true; 2417 } 2418 } 2419 2420 @Override 2421 public boolean shouldOfferSwitchingToNextInputMethod(IBinder token) { 2422 if (!calledFromValidUser()) { 2423 return false; 2424 } 2425 synchronized (mMethodMap) { 2426 if (!calledWithValidToken(token)) { 2427 final int uid = Binder.getCallingUid(); 2428 Slog.e(TAG, "Ignoring shouldOfferSwitchingToNextInputMethod due to an invalid " 2429 + "token. uid:" + uid + " token:" + token); 2430 return false; 2431 } 2432 final ImeSubtypeListItem nextSubtype = mSwitchingController.getNextInputMethodLocked( 2433 false /* onlyCurrentIme */, mMethodMap.get(mCurMethodId), mCurrentSubtype); 2434 if (nextSubtype == null) { 2435 return false; 2436 } 2437 return true; 2438 } 2439 } 2440 2441 @Override 2442 public InputMethodSubtype getLastInputMethodSubtype() { 2443 if (!calledFromValidUser()) { 2444 return null; 2445 } 2446 synchronized (mMethodMap) { 2447 final Pair<String, String> lastIme = mSettings.getLastInputMethodAndSubtypeLocked(); 2448 // TODO: Handle the case of the last IME with no subtypes 2449 if (lastIme == null || TextUtils.isEmpty(lastIme.first) 2450 || TextUtils.isEmpty(lastIme.second)) return null; 2451 final InputMethodInfo lastImi = mMethodMap.get(lastIme.first); 2452 if (lastImi == null) return null; 2453 try { 2454 final int lastSubtypeHash = Integer.valueOf(lastIme.second); 2455 final int lastSubtypeId = 2456 InputMethodUtils.getSubtypeIdFromHashCode(lastImi, lastSubtypeHash); 2457 if (lastSubtypeId < 0 || lastSubtypeId >= lastImi.getSubtypeCount()) { 2458 return null; 2459 } 2460 return lastImi.getSubtypeAt(lastSubtypeId); 2461 } catch (NumberFormatException e) { 2462 return null; 2463 } 2464 } 2465 } 2466 2467 @Override 2468 public void setAdditionalInputMethodSubtypes(String imiId, InputMethodSubtype[] subtypes) { 2469 if (!calledFromValidUser()) { 2470 return; 2471 } 2472 // By this IPC call, only a process which shares the same uid with the IME can add 2473 // additional input method subtypes to the IME. 2474 if (TextUtils.isEmpty(imiId) || subtypes == null || subtypes.length == 0) return; 2475 synchronized (mMethodMap) { 2476 final InputMethodInfo imi = mMethodMap.get(imiId); 2477 if (imi == null) return; 2478 final String[] packageInfos; 2479 try { 2480 packageInfos = mIPackageManager.getPackagesForUid(Binder.getCallingUid()); 2481 } catch (RemoteException e) { 2482 Slog.e(TAG, "Failed to get package infos"); 2483 return; 2484 } 2485 if (packageInfos != null) { 2486 final int packageNum = packageInfos.length; 2487 for (int i = 0; i < packageNum; ++i) { 2488 if (packageInfos[i].equals(imi.getPackageName())) { 2489 mFileManager.addInputMethodSubtypes(imi, subtypes); 2490 final long ident = Binder.clearCallingIdentity(); 2491 try { 2492 buildInputMethodListLocked(mMethodList, mMethodMap, 2493 false /* resetDefaultEnabledIme */); 2494 } finally { 2495 Binder.restoreCallingIdentity(ident); 2496 } 2497 return; 2498 } 2499 } 2500 } 2501 } 2502 return; 2503 } 2504 2505 @Override 2506 public int getInputMethodWindowVisibleHeight() { 2507 return mWindowManagerService.getInputMethodWindowVisibleHeight(); 2508 } 2509 2510 @Override 2511 public void notifyUserAction(int sequenceNumber) { 2512 if (DEBUG) { 2513 Slog.d(TAG, "Got the notification of a user action. sequenceNumber:" + sequenceNumber); 2514 } 2515 synchronized (mMethodMap) { 2516 if (mCurUserActionNotificationSequenceNumber != sequenceNumber) { 2517 if (DEBUG) { 2518 Slog.d(TAG, "Ignoring the user action notification due to the sequence number " 2519 + "mismatch. expected:" + mCurUserActionNotificationSequenceNumber 2520 + " actual: " + sequenceNumber); 2521 } 2522 return; 2523 } 2524 final InputMethodInfo imi = mMethodMap.get(mCurMethodId); 2525 if (imi != null) { 2526 mSwitchingController.onUserActionLocked(imi, mCurrentSubtype); 2527 } 2528 } 2529 } 2530 2531 private void setInputMethodWithSubtypeId(IBinder token, String id, int subtypeId) { 2532 synchronized (mMethodMap) { 2533 setInputMethodWithSubtypeIdLocked(token, id, subtypeId); 2534 } 2535 } 2536 2537 private void setInputMethodWithSubtypeIdLocked(IBinder token, String id, int subtypeId) { 2538 if (token == null) { 2539 if (mContext.checkCallingOrSelfPermission( 2540 android.Manifest.permission.WRITE_SECURE_SETTINGS) 2541 != PackageManager.PERMISSION_GRANTED) { 2542 throw new SecurityException( 2543 "Using null token requires permission " 2544 + android.Manifest.permission.WRITE_SECURE_SETTINGS); 2545 } 2546 } else if (mCurToken != token) { 2547 Slog.w(TAG, "Ignoring setInputMethod of uid " + Binder.getCallingUid() 2548 + " token: " + token); 2549 return; 2550 } 2551 2552 final long ident = Binder.clearCallingIdentity(); 2553 try { 2554 setInputMethodLocked(id, subtypeId); 2555 } finally { 2556 Binder.restoreCallingIdentity(ident); 2557 } 2558 } 2559 2560 @Override 2561 public void hideMySoftInput(IBinder token, int flags) { 2562 if (!calledFromValidUser()) { 2563 return; 2564 } 2565 synchronized (mMethodMap) { 2566 if (!calledWithValidToken(token)) { 2567 final int uid = Binder.getCallingUid(); 2568 Slog.e(TAG, "Ignoring hideInputMethod due to an invalid token. uid:" 2569 + uid + " token:" + token); 2570 return; 2571 } 2572 long ident = Binder.clearCallingIdentity(); 2573 try { 2574 hideCurrentInputLocked(flags, null); 2575 } finally { 2576 Binder.restoreCallingIdentity(ident); 2577 } 2578 } 2579 } 2580 2581 @Override 2582 public void showMySoftInput(IBinder token, int flags) { 2583 if (!calledFromValidUser()) { 2584 return; 2585 } 2586 synchronized (mMethodMap) { 2587 if (!calledWithValidToken(token)) { 2588 final int uid = Binder.getCallingUid(); 2589 Slog.e(TAG, "Ignoring showMySoftInput due to an invalid token. uid:" 2590 + uid + " token:" + token); 2591 return; 2592 } 2593 long ident = Binder.clearCallingIdentity(); 2594 try { 2595 showCurrentInputLocked(flags, null); 2596 } finally { 2597 Binder.restoreCallingIdentity(ident); 2598 } 2599 } 2600 } 2601 2602 void setEnabledSessionInMainThread(SessionState session) { 2603 if (mEnabledSession != session) { 2604 if (mEnabledSession != null && mEnabledSession.session != null) { 2605 try { 2606 if (DEBUG) Slog.v(TAG, "Disabling: " + mEnabledSession); 2607 mEnabledSession.method.setSessionEnabled(mEnabledSession.session, false); 2608 } catch (RemoteException e) { 2609 } 2610 } 2611 mEnabledSession = session; 2612 if (mEnabledSession != null && mEnabledSession.session != null) { 2613 try { 2614 if (DEBUG) Slog.v(TAG, "Enabling: " + mEnabledSession); 2615 mEnabledSession.method.setSessionEnabled(mEnabledSession.session, true); 2616 } catch (RemoteException e) { 2617 } 2618 } 2619 } 2620 } 2621 2622 @Override 2623 public boolean handleMessage(Message msg) { 2624 SomeArgs args; 2625 switch (msg.what) { 2626 case MSG_SHOW_IM_SUBTYPE_PICKER: 2627 final boolean showAuxSubtypes; 2628 switch (msg.arg1) { 2629 case InputMethodManager.SHOW_IM_PICKER_MODE_AUTO: 2630 // This is undocumented so far, but IMM#showInputMethodPicker() has been 2631 // implemented so that auxiliary subtypes will be excluded when the soft 2632 // keyboard is invisible. 2633 showAuxSubtypes = mInputShown; 2634 break; 2635 case InputMethodManager.SHOW_IM_PICKER_MODE_INCLUDE_AUXILIARY_SUBTYPES: 2636 showAuxSubtypes = true; 2637 break; 2638 case InputMethodManager.SHOW_IM_PICKER_MODE_EXCLUDE_AUXILIARY_SUBTYPES: 2639 showAuxSubtypes = false; 2640 break; 2641 default: 2642 Slog.e(TAG, "Unknown subtype picker mode = " + msg.arg1); 2643 return false; 2644 } 2645 showInputMethodMenu(showAuxSubtypes); 2646 return true; 2647 2648 case MSG_SHOW_IM_SUBTYPE_ENABLER: 2649 args = (SomeArgs)msg.obj; 2650 showInputMethodAndSubtypeEnabler((String)args.arg1); 2651 args.recycle(); 2652 return true; 2653 2654 case MSG_SHOW_IM_CONFIG: 2655 showConfigureInputMethods(); 2656 return true; 2657 2658 // --------------------------------------------------------- 2659 2660 case MSG_UNBIND_INPUT: 2661 try { 2662 ((IInputMethod)msg.obj).unbindInput(); 2663 } catch (RemoteException e) { 2664 // There is nothing interesting about the method dying. 2665 } 2666 return true; 2667 case MSG_BIND_INPUT: 2668 args = (SomeArgs)msg.obj; 2669 try { 2670 ((IInputMethod)args.arg1).bindInput((InputBinding)args.arg2); 2671 } catch (RemoteException e) { 2672 } 2673 args.recycle(); 2674 return true; 2675 case MSG_SHOW_SOFT_INPUT: 2676 args = (SomeArgs)msg.obj; 2677 try { 2678 if (DEBUG) Slog.v(TAG, "Calling " + args.arg1 + ".showSoftInput(" 2679 + msg.arg1 + ", " + args.arg2 + ")"); 2680 ((IInputMethod)args.arg1).showSoftInput(msg.arg1, (ResultReceiver)args.arg2); 2681 } catch (RemoteException e) { 2682 } 2683 args.recycle(); 2684 return true; 2685 case MSG_HIDE_SOFT_INPUT: 2686 args = (SomeArgs)msg.obj; 2687 try { 2688 if (DEBUG) Slog.v(TAG, "Calling " + args.arg1 + ".hideSoftInput(0, " 2689 + args.arg2 + ")"); 2690 ((IInputMethod)args.arg1).hideSoftInput(0, (ResultReceiver)args.arg2); 2691 } catch (RemoteException e) { 2692 } 2693 args.recycle(); 2694 return true; 2695 case MSG_ATTACH_TOKEN: 2696 args = (SomeArgs)msg.obj; 2697 try { 2698 if (DEBUG) Slog.v(TAG, "Sending attach of token: " + args.arg2); 2699 ((IInputMethod)args.arg1).attachToken((IBinder)args.arg2); 2700 } catch (RemoteException e) { 2701 } 2702 args.recycle(); 2703 return true; 2704 case MSG_CREATE_SESSION: { 2705 args = (SomeArgs)msg.obj; 2706 IInputMethod method = (IInputMethod)args.arg1; 2707 InputChannel channel = (InputChannel)args.arg2; 2708 try { 2709 method.createSession(channel, (IInputSessionCallback)args.arg3); 2710 } catch (RemoteException e) { 2711 } finally { 2712 // Dispose the channel if the input method is not local to this process 2713 // because the remote proxy will get its own copy when unparceled. 2714 if (channel != null && Binder.isProxy(method)) { 2715 channel.dispose(); 2716 } 2717 } 2718 args.recycle(); 2719 return true; 2720 } 2721 // --------------------------------------------------------- 2722 2723 case MSG_START_INPUT: 2724 args = (SomeArgs)msg.obj; 2725 try { 2726 SessionState session = (SessionState)args.arg1; 2727 setEnabledSessionInMainThread(session); 2728 session.method.startInput((IInputContext)args.arg2, 2729 (EditorInfo)args.arg3); 2730 } catch (RemoteException e) { 2731 } 2732 args.recycle(); 2733 return true; 2734 case MSG_RESTART_INPUT: 2735 args = (SomeArgs)msg.obj; 2736 try { 2737 SessionState session = (SessionState)args.arg1; 2738 setEnabledSessionInMainThread(session); 2739 session.method.restartInput((IInputContext)args.arg2, 2740 (EditorInfo)args.arg3); 2741 } catch (RemoteException e) { 2742 } 2743 args.recycle(); 2744 return true; 2745 2746 // --------------------------------------------------------- 2747 2748 case MSG_UNBIND_METHOD: 2749 try { 2750 ((IInputMethodClient)msg.obj).onUnbindMethod(msg.arg1); 2751 } catch (RemoteException e) { 2752 // There is nothing interesting about the last client dying. 2753 } 2754 return true; 2755 case MSG_BIND_METHOD: { 2756 args = (SomeArgs)msg.obj; 2757 IInputMethodClient client = (IInputMethodClient)args.arg1; 2758 InputBindResult res = (InputBindResult)args.arg2; 2759 try { 2760 client.onBindMethod(res); 2761 } catch (RemoteException e) { 2762 Slog.w(TAG, "Client died receiving input method " + args.arg2); 2763 } finally { 2764 // Dispose the channel if the input method is not local to this process 2765 // because the remote proxy will get its own copy when unparceled. 2766 if (res.channel != null && Binder.isProxy(client)) { 2767 res.channel.dispose(); 2768 } 2769 } 2770 args.recycle(); 2771 return true; 2772 } 2773 case MSG_SET_ACTIVE: 2774 try { 2775 ((ClientState)msg.obj).client.setActive(msg.arg1 != 0); 2776 } catch (RemoteException e) { 2777 Slog.w(TAG, "Got RemoteException sending setActive(false) notification to pid " 2778 + ((ClientState)msg.obj).pid + " uid " 2779 + ((ClientState)msg.obj).uid); 2780 } 2781 return true; 2782 case MSG_SET_USER_ACTION_NOTIFICATION_SEQUENCE_NUMBER: { 2783 final int sequenceNumber = msg.arg1; 2784 final ClientState clientState = (ClientState)msg.obj; 2785 try { 2786 clientState.client.setUserActionNotificationSequenceNumber(sequenceNumber); 2787 } catch (RemoteException e) { 2788 Slog.w(TAG, "Got RemoteException sending " 2789 + "setUserActionNotificationSequenceNumber(" 2790 + sequenceNumber + ") notification to pid " 2791 + clientState.pid + " uid " 2792 + clientState.uid); 2793 } 2794 return true; 2795 } 2796 2797 // -------------------------------------------------------------- 2798 case MSG_HARD_KEYBOARD_SWITCH_CHANGED: 2799 mHardKeyboardListener.handleHardKeyboardStatusChange(msg.arg1 == 1); 2800 return true; 2801 } 2802 return false; 2803 } 2804 2805 private boolean chooseNewDefaultIMELocked() { 2806 final InputMethodInfo imi = InputMethodUtils.getMostApplicableDefaultIME( 2807 mSettings.getEnabledInputMethodListLocked()); 2808 if (imi != null) { 2809 if (DEBUG) { 2810 Slog.d(TAG, "New default IME was selected: " + imi.getId()); 2811 } 2812 resetSelectedInputMethodAndSubtypeLocked(imi.getId()); 2813 return true; 2814 } 2815 2816 return false; 2817 } 2818 2819 void buildInputMethodListLocked(ArrayList<InputMethodInfo> list, 2820 HashMap<String, InputMethodInfo> map, boolean resetDefaultEnabledIme) { 2821 if (DEBUG) { 2822 Slog.d(TAG, "--- re-buildInputMethodList reset = " + resetDefaultEnabledIme 2823 + " \n ------ \n" + InputMethodUtils.getStackTrace()); 2824 } 2825 list.clear(); 2826 map.clear(); 2827 2828 // Use for queryIntentServicesAsUser 2829 final PackageManager pm = mContext.getPackageManager(); 2830 String disabledSysImes = mSettings.getDisabledSystemInputMethods(); 2831 if (disabledSysImes == null) disabledSysImes = ""; 2832 2833 final List<ResolveInfo> services = pm.queryIntentServicesAsUser( 2834 new Intent(InputMethod.SERVICE_INTERFACE), 2835 PackageManager.GET_META_DATA | PackageManager.GET_DISABLED_UNTIL_USED_COMPONENTS, 2836 mSettings.getCurrentUserId()); 2837 2838 final HashMap<String, List<InputMethodSubtype>> additionalSubtypes = 2839 mFileManager.getAllAdditionalInputMethodSubtypes(); 2840 for (int i = 0; i < services.size(); ++i) { 2841 ResolveInfo ri = services.get(i); 2842 ServiceInfo si = ri.serviceInfo; 2843 ComponentName compName = new ComponentName(si.packageName, si.name); 2844 if (!android.Manifest.permission.BIND_INPUT_METHOD.equals( 2845 si.permission)) { 2846 Slog.w(TAG, "Skipping input method " + compName 2847 + ": it does not require the permission " 2848 + android.Manifest.permission.BIND_INPUT_METHOD); 2849 continue; 2850 } 2851 2852 if (DEBUG) Slog.d(TAG, "Checking " + compName); 2853 2854 try { 2855 InputMethodInfo p = new InputMethodInfo(mContext, ri, additionalSubtypes); 2856 list.add(p); 2857 final String id = p.getId(); 2858 map.put(id, p); 2859 2860 if (DEBUG) { 2861 Slog.d(TAG, "Found an input method " + p); 2862 } 2863 2864 } catch (XmlPullParserException e) { 2865 Slog.w(TAG, "Unable to load input method " + compName, e); 2866 } catch (IOException e) { 2867 Slog.w(TAG, "Unable to load input method " + compName, e); 2868 } 2869 } 2870 2871 if (resetDefaultEnabledIme) { 2872 final ArrayList<InputMethodInfo> defaultEnabledIme = 2873 InputMethodUtils.getDefaultEnabledImes(mContext, mSystemReady, list); 2874 for (int i = 0; i < defaultEnabledIme.size(); ++i) { 2875 final InputMethodInfo imi = defaultEnabledIme.get(i); 2876 if (DEBUG) { 2877 Slog.d(TAG, "--- enable ime = " + imi); 2878 } 2879 setInputMethodEnabledLocked(imi.getId(), true); 2880 } 2881 } 2882 2883 final String defaultImiId = mSettings.getSelectedInputMethod(); 2884 if (!TextUtils.isEmpty(defaultImiId)) { 2885 if (!map.containsKey(defaultImiId)) { 2886 Slog.w(TAG, "Default IME is uninstalled. Choose new default IME."); 2887 if (chooseNewDefaultIMELocked()) { 2888 updateInputMethodsFromSettingsLocked(true); 2889 } 2890 } else { 2891 // Double check that the default IME is certainly enabled. 2892 setInputMethodEnabledLocked(defaultImiId, true); 2893 } 2894 } 2895 // Here is not the perfect place to reset the switching controller. Ideally 2896 // mSwitchingController and mSettings should be able to share the same state. 2897 // TODO: Make sure that mSwitchingController and mSettings are sharing the 2898 // the same enabled IMEs list. 2899 mSwitchingController.resetCircularListLocked(mContext); 2900 } 2901 2902 // ---------------------------------------------------------------------- 2903 2904 private void showInputMethodAndSubtypeEnabler(String inputMethodId) { 2905 Intent intent = new Intent(Settings.ACTION_INPUT_METHOD_SUBTYPE_SETTINGS); 2906 intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK 2907 | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED 2908 | Intent.FLAG_ACTIVITY_CLEAR_TOP); 2909 if (!TextUtils.isEmpty(inputMethodId)) { 2910 intent.putExtra(Settings.EXTRA_INPUT_METHOD_ID, inputMethodId); 2911 } 2912 mContext.startActivityAsUser(intent, null, UserHandle.CURRENT); 2913 } 2914 2915 private void showConfigureInputMethods() { 2916 Intent intent = new Intent(Settings.ACTION_INPUT_METHOD_SETTINGS); 2917 intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK 2918 | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED 2919 | Intent.FLAG_ACTIVITY_CLEAR_TOP); 2920 mContext.startActivityAsUser(intent, null, UserHandle.CURRENT); 2921 } 2922 2923 private boolean isScreenLocked() { 2924 return mKeyguardManager != null 2925 && mKeyguardManager.isKeyguardLocked() && mKeyguardManager.isKeyguardSecure(); 2926 } 2927 2928 private void showInputMethodMenu(boolean showAuxSubtypes) { 2929 if (DEBUG) Slog.v(TAG, "Show switching menu. showAuxSubtypes=" + showAuxSubtypes); 2930 2931 final Context context = mContext; 2932 final boolean isScreenLocked = isScreenLocked(); 2933 2934 final String lastInputMethodId = mSettings.getSelectedInputMethod(); 2935 int lastInputMethodSubtypeId = mSettings.getSelectedInputMethodSubtypeId(lastInputMethodId); 2936 if (DEBUG) Slog.v(TAG, "Current IME: " + lastInputMethodId); 2937 2938 synchronized (mMethodMap) { 2939 final HashMap<InputMethodInfo, List<InputMethodSubtype>> immis = 2940 mSettings.getExplicitlyOrImplicitlyEnabledInputMethodsAndSubtypeListLocked( 2941 mContext); 2942 if (immis == null || immis.size() == 0) { 2943 return; 2944 } 2945 2946 hideInputMethodMenuLocked(); 2947 2948 final List<ImeSubtypeListItem> imList = 2949 mSwitchingController.getSortedInputMethodAndSubtypeListLocked( 2950 true /* showSubtypes */, showAuxSubtypes, isScreenLocked); 2951 2952 if (lastInputMethodSubtypeId == NOT_A_SUBTYPE_ID) { 2953 final InputMethodSubtype currentSubtype = getCurrentInputMethodSubtypeLocked(); 2954 if (currentSubtype != null) { 2955 final InputMethodInfo currentImi = mMethodMap.get(mCurMethodId); 2956 lastInputMethodSubtypeId = InputMethodUtils.getSubtypeIdFromHashCode( 2957 currentImi, currentSubtype.hashCode()); 2958 } 2959 } 2960 2961 final int N = imList.size(); 2962 mIms = new InputMethodInfo[N]; 2963 mSubtypeIds = new int[N]; 2964 int checkedItem = 0; 2965 for (int i = 0; i < N; ++i) { 2966 final ImeSubtypeListItem item = imList.get(i); 2967 mIms[i] = item.mImi; 2968 mSubtypeIds[i] = item.mSubtypeId; 2969 if (mIms[i].getId().equals(lastInputMethodId)) { 2970 int subtypeId = mSubtypeIds[i]; 2971 if ((subtypeId == NOT_A_SUBTYPE_ID) 2972 || (lastInputMethodSubtypeId == NOT_A_SUBTYPE_ID && subtypeId == 0) 2973 || (subtypeId == lastInputMethodSubtypeId)) { 2974 checkedItem = i; 2975 } 2976 } 2977 } 2978 2979 final Context settingsContext = new ContextThemeWrapper(context, 2980 com.android.internal.R.style.Theme_DeviceDefault_Settings); 2981 2982 mDialogBuilder = new AlertDialog.Builder(settingsContext); 2983 mDialogBuilder.setOnCancelListener(new OnCancelListener() { 2984 @Override 2985 public void onCancel(DialogInterface dialog) { 2986 hideInputMethodMenu(); 2987 } 2988 }); 2989 2990 final Context dialogContext = mDialogBuilder.getContext(); 2991 final TypedArray a = dialogContext.obtainStyledAttributes(null, 2992 com.android.internal.R.styleable.DialogPreference, 2993 com.android.internal.R.attr.alertDialogStyle, 0); 2994 final Drawable dialogIcon = a.getDrawable( 2995 com.android.internal.R.styleable.DialogPreference_dialogIcon); 2996 a.recycle(); 2997 2998 mDialogBuilder.setIcon(dialogIcon); 2999 3000 final LayoutInflater inflater = (LayoutInflater) dialogContext.getSystemService( 3001 Context.LAYOUT_INFLATER_SERVICE); 3002 final View tv = inflater.inflate( 3003 com.android.internal.R.layout.input_method_switch_dialog_title, null); 3004 mDialogBuilder.setCustomTitle(tv); 3005 3006 // Setup layout for a toggle switch of the hardware keyboard 3007 mSwitchingDialogTitleView = tv; 3008 mSwitchingDialogTitleView 3009 .findViewById(com.android.internal.R.id.hard_keyboard_section) 3010 .setVisibility(mWindowManagerService.isHardKeyboardAvailable() 3011 ? View.VISIBLE : View.GONE); 3012 final Switch hardKeySwitch = (Switch) mSwitchingDialogTitleView.findViewById( 3013 com.android.internal.R.id.hard_keyboard_switch); 3014 hardKeySwitch.setChecked(mShowImeWithHardKeyboard); 3015 hardKeySwitch.setOnCheckedChangeListener(new OnCheckedChangeListener() { 3016 @Override 3017 public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) { 3018 mSettings.setShowImeWithHardKeyboard(isChecked); 3019 // Ensure that the input method dialog is dismissed when changing 3020 // the hardware keyboard state. 3021 hideInputMethodMenu(); 3022 } 3023 }); 3024 3025 final ImeSubtypeListAdapter adapter = new ImeSubtypeListAdapter(dialogContext, 3026 com.android.internal.R.layout.input_method_switch_item, imList, checkedItem); 3027 final OnClickListener choiceListener = new OnClickListener() { 3028 @Override 3029 public void onClick(final DialogInterface dialog, final int which) { 3030 synchronized (mMethodMap) { 3031 if (mIms == null || mIms.length <= which || mSubtypeIds == null 3032 || mSubtypeIds.length <= which) { 3033 return; 3034 } 3035 final InputMethodInfo im = mIms[which]; 3036 int subtypeId = mSubtypeIds[which]; 3037 adapter.mCheckedItem = which; 3038 adapter.notifyDataSetChanged(); 3039 hideInputMethodMenu(); 3040 if (im != null) { 3041 if (subtypeId < 0 || subtypeId >= im.getSubtypeCount()) { 3042 subtypeId = NOT_A_SUBTYPE_ID; 3043 } 3044 setInputMethodLocked(im.getId(), subtypeId); 3045 } 3046 } 3047 } 3048 }; 3049 mDialogBuilder.setSingleChoiceItems(adapter, checkedItem, choiceListener); 3050 3051 if (!isScreenLocked) { 3052 final OnClickListener positiveListener = new OnClickListener() { 3053 @Override 3054 public void onClick(DialogInterface dialog, int whichButton) { 3055 showConfigureInputMethods(); 3056 } 3057 }; 3058 mDialogBuilder.setPositiveButton( 3059 com.android.internal.R.string.configure_input_methods, positiveListener); 3060 } 3061 mSwitchingDialog = mDialogBuilder.create(); 3062 mSwitchingDialog.setCanceledOnTouchOutside(true); 3063 mSwitchingDialog.getWindow().setType( 3064 WindowManager.LayoutParams.TYPE_INPUT_METHOD_DIALOG); 3065 mSwitchingDialog.getWindow().getAttributes().privateFlags |= 3066 WindowManager.LayoutParams.PRIVATE_FLAG_SHOW_FOR_ALL_USERS; 3067 mSwitchingDialog.getWindow().getAttributes().setTitle("Select input method"); 3068 updateSystemUi(mCurToken, mImeWindowVis, mBackDisposition); 3069 mSwitchingDialog.show(); 3070 } 3071 } 3072 3073 private static class ImeSubtypeListAdapter extends ArrayAdapter<ImeSubtypeListItem> { 3074 private final LayoutInflater mInflater; 3075 private final int mTextViewResourceId; 3076 private final List<ImeSubtypeListItem> mItemsList; 3077 public int mCheckedItem; 3078 public ImeSubtypeListAdapter(Context context, int textViewResourceId, 3079 List<ImeSubtypeListItem> itemsList, int checkedItem) { 3080 super(context, textViewResourceId, itemsList); 3081 3082 mTextViewResourceId = textViewResourceId; 3083 mItemsList = itemsList; 3084 mCheckedItem = checkedItem; 3085 mInflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE); 3086 } 3087 3088 @Override 3089 public View getView(int position, View convertView, ViewGroup parent) { 3090 final View view = convertView != null ? convertView 3091 : mInflater.inflate(mTextViewResourceId, null); 3092 if (position < 0 || position >= mItemsList.size()) return view; 3093 final ImeSubtypeListItem item = mItemsList.get(position); 3094 final CharSequence imeName = item.mImeName; 3095 final CharSequence subtypeName = item.mSubtypeName; 3096 final TextView firstTextView = (TextView)view.findViewById(android.R.id.text1); 3097 final TextView secondTextView = (TextView)view.findViewById(android.R.id.text2); 3098 if (TextUtils.isEmpty(subtypeName)) { 3099 firstTextView.setText(imeName); 3100 secondTextView.setVisibility(View.GONE); 3101 } else { 3102 firstTextView.setText(subtypeName); 3103 secondTextView.setText(imeName); 3104 secondTextView.setVisibility(View.VISIBLE); 3105 } 3106 final RadioButton radioButton = 3107 (RadioButton)view.findViewById(com.android.internal.R.id.radio); 3108 radioButton.setChecked(position == mCheckedItem); 3109 return view; 3110 } 3111 } 3112 3113 void hideInputMethodMenu() { 3114 synchronized (mMethodMap) { 3115 hideInputMethodMenuLocked(); 3116 } 3117 } 3118 3119 void hideInputMethodMenuLocked() { 3120 if (DEBUG) Slog.v(TAG, "Hide switching menu"); 3121 3122 if (mSwitchingDialog != null) { 3123 mSwitchingDialog.dismiss(); 3124 mSwitchingDialog = null; 3125 } 3126 3127 updateSystemUiLocked(mCurToken, mImeWindowVis, mBackDisposition); 3128 mDialogBuilder = null; 3129 mIms = null; 3130 } 3131 3132 // ---------------------------------------------------------------------- 3133 3134 @Override 3135 public boolean setInputMethodEnabled(String id, boolean enabled) { 3136 // TODO: Make this work even for non-current users? 3137 if (!calledFromValidUser()) { 3138 return false; 3139 } 3140 synchronized (mMethodMap) { 3141 if (mContext.checkCallingOrSelfPermission( 3142 android.Manifest.permission.WRITE_SECURE_SETTINGS) 3143 != PackageManager.PERMISSION_GRANTED) { 3144 throw new SecurityException( 3145 "Requires permission " 3146 + android.Manifest.permission.WRITE_SECURE_SETTINGS); 3147 } 3148 3149 long ident = Binder.clearCallingIdentity(); 3150 try { 3151 return setInputMethodEnabledLocked(id, enabled); 3152 } finally { 3153 Binder.restoreCallingIdentity(ident); 3154 } 3155 } 3156 } 3157 3158 boolean setInputMethodEnabledLocked(String id, boolean enabled) { 3159 // Make sure this is a valid input method. 3160 InputMethodInfo imm = mMethodMap.get(id); 3161 if (imm == null) { 3162 throw new IllegalArgumentException("Unknown id: " + mCurMethodId); 3163 } 3164 3165 List<Pair<String, ArrayList<String>>> enabledInputMethodsList = mSettings 3166 .getEnabledInputMethodsAndSubtypeListLocked(); 3167 3168 if (enabled) { 3169 for (Pair<String, ArrayList<String>> pair: enabledInputMethodsList) { 3170 if (pair.first.equals(id)) { 3171 // We are enabling this input method, but it is already enabled. 3172 // Nothing to do. The previous state was enabled. 3173 return true; 3174 } 3175 } 3176 mSettings.appendAndPutEnabledInputMethodLocked(id, false); 3177 // Previous state was disabled. 3178 return false; 3179 } else { 3180 StringBuilder builder = new StringBuilder(); 3181 if (mSettings.buildAndPutEnabledInputMethodsStrRemovingIdLocked( 3182 builder, enabledInputMethodsList, id)) { 3183 // Disabled input method is currently selected, switch to another one. 3184 final String selId = mSettings.getSelectedInputMethod(); 3185 if (id.equals(selId) && !chooseNewDefaultIMELocked()) { 3186 Slog.i(TAG, "Can't find new IME, unsetting the current input method."); 3187 resetSelectedInputMethodAndSubtypeLocked(""); 3188 } 3189 // Previous state was enabled. 3190 return true; 3191 } else { 3192 // We are disabling the input method but it is already disabled. 3193 // Nothing to do. The previous state was disabled. 3194 return false; 3195 } 3196 } 3197 } 3198 3199 private void setSelectedInputMethodAndSubtypeLocked(InputMethodInfo imi, int subtypeId, 3200 boolean setSubtypeOnly) { 3201 // Update the history of InputMethod and Subtype 3202 mSettings.saveCurrentInputMethodAndSubtypeToHistory(mCurMethodId, mCurrentSubtype); 3203 3204 mCurUserActionNotificationSequenceNumber = 3205 Math.max(mCurUserActionNotificationSequenceNumber + 1, 1); 3206 if (DEBUG) { 3207 Slog.d(TAG, "Bump mCurUserActionNotificationSequenceNumber:" 3208 + mCurUserActionNotificationSequenceNumber); 3209 } 3210 3211 if (mCurClient != null && mCurClient.client != null) { 3212 executeOrSendMessage(mCurClient.client, mCaller.obtainMessageIO( 3213 MSG_SET_USER_ACTION_NOTIFICATION_SEQUENCE_NUMBER, 3214 mCurUserActionNotificationSequenceNumber, mCurClient)); 3215 } 3216 3217 // Set Subtype here 3218 if (imi == null || subtypeId < 0) { 3219 mSettings.putSelectedSubtype(NOT_A_SUBTYPE_ID); 3220 mCurrentSubtype = null; 3221 } else { 3222 if (subtypeId < imi.getSubtypeCount()) { 3223 InputMethodSubtype subtype = imi.getSubtypeAt(subtypeId); 3224 mSettings.putSelectedSubtype(subtype.hashCode()); 3225 mCurrentSubtype = subtype; 3226 } else { 3227 mSettings.putSelectedSubtype(NOT_A_SUBTYPE_ID); 3228 // If the subtype is not specified, choose the most applicable one 3229 mCurrentSubtype = getCurrentInputMethodSubtypeLocked(); 3230 } 3231 } 3232 3233 // Workaround. 3234 // ASEC is not ready in the IMMS constructor. Accordingly, forward-locked 3235 // IMEs are not recognized and considered uninstalled. 3236 // Actually, we can't move everything after SystemReady because 3237 // IMMS needs to run in the encryption lock screen. So, we just skip changing 3238 // the default IME here and try cheking the default IME again in systemReady(). 3239 // TODO: Do nothing before system ready and implement a separated logic for 3240 // the encryption lock screen. 3241 // TODO: ASEC should be ready before IMMS is instantiated. 3242 if (mSystemReady && !setSubtypeOnly) { 3243 // Set InputMethod here 3244 mSettings.putSelectedInputMethod(imi != null ? imi.getId() : ""); 3245 } 3246 } 3247 3248 private void resetSelectedInputMethodAndSubtypeLocked(String newDefaultIme) { 3249 InputMethodInfo imi = mMethodMap.get(newDefaultIme); 3250 int lastSubtypeId = NOT_A_SUBTYPE_ID; 3251 // newDefaultIme is empty when there is no candidate for the selected IME. 3252 if (imi != null && !TextUtils.isEmpty(newDefaultIme)) { 3253 String subtypeHashCode = mSettings.getLastSubtypeForInputMethodLocked(newDefaultIme); 3254 if (subtypeHashCode != null) { 3255 try { 3256 lastSubtypeId = InputMethodUtils.getSubtypeIdFromHashCode( 3257 imi, Integer.valueOf(subtypeHashCode)); 3258 } catch (NumberFormatException e) { 3259 Slog.w(TAG, "HashCode for subtype looks broken: " + subtypeHashCode, e); 3260 } 3261 } 3262 } 3263 setSelectedInputMethodAndSubtypeLocked(imi, lastSubtypeId, false); 3264 } 3265 3266 // If there are no selected shortcuts, tries finding the most applicable ones. 3267 private Pair<InputMethodInfo, InputMethodSubtype> 3268 findLastResortApplicableShortcutInputMethodAndSubtypeLocked(String mode) { 3269 List<InputMethodInfo> imis = mSettings.getEnabledInputMethodListLocked(); 3270 InputMethodInfo mostApplicableIMI = null; 3271 InputMethodSubtype mostApplicableSubtype = null; 3272 boolean foundInSystemIME = false; 3273 3274 // Search applicable subtype for each InputMethodInfo 3275 for (InputMethodInfo imi: imis) { 3276 final String imiId = imi.getId(); 3277 if (foundInSystemIME && !imiId.equals(mCurMethodId)) { 3278 continue; 3279 } 3280 InputMethodSubtype subtype = null; 3281 final List<InputMethodSubtype> enabledSubtypes = 3282 mSettings.getEnabledInputMethodSubtypeListLocked(mContext, imi, true); 3283 // 1. Search by the current subtype's locale from enabledSubtypes. 3284 if (mCurrentSubtype != null) { 3285 subtype = InputMethodUtils.findLastResortApplicableSubtypeLocked( 3286 mRes, enabledSubtypes, mode, mCurrentSubtype.getLocale(), false); 3287 } 3288 // 2. Search by the system locale from enabledSubtypes. 3289 // 3. Search the first enabled subtype matched with mode from enabledSubtypes. 3290 if (subtype == null) { 3291 subtype = InputMethodUtils.findLastResortApplicableSubtypeLocked( 3292 mRes, enabledSubtypes, mode, null, true); 3293 } 3294 final ArrayList<InputMethodSubtype> overridingImplicitlyEnabledSubtypes = 3295 InputMethodUtils.getOverridingImplicitlyEnabledSubtypes(imi, mode); 3296 final ArrayList<InputMethodSubtype> subtypesForSearch = 3297 overridingImplicitlyEnabledSubtypes.isEmpty() 3298 ? InputMethodUtils.getSubtypes(imi) 3299 : overridingImplicitlyEnabledSubtypes; 3300 // 4. Search by the current subtype's locale from all subtypes. 3301 if (subtype == null && mCurrentSubtype != null) { 3302 subtype = InputMethodUtils.findLastResortApplicableSubtypeLocked( 3303 mRes, subtypesForSearch, mode, mCurrentSubtype.getLocale(), false); 3304 } 3305 // 5. Search by the system locale from all subtypes. 3306 // 6. Search the first enabled subtype matched with mode from all subtypes. 3307 if (subtype == null) { 3308 subtype = InputMethodUtils.findLastResortApplicableSubtypeLocked( 3309 mRes, subtypesForSearch, mode, null, true); 3310 } 3311 if (subtype != null) { 3312 if (imiId.equals(mCurMethodId)) { 3313 // The current input method is the most applicable IME. 3314 mostApplicableIMI = imi; 3315 mostApplicableSubtype = subtype; 3316 break; 3317 } else if (!foundInSystemIME) { 3318 // The system input method is 2nd applicable IME. 3319 mostApplicableIMI = imi; 3320 mostApplicableSubtype = subtype; 3321 if ((imi.getServiceInfo().applicationInfo.flags 3322 & ApplicationInfo.FLAG_SYSTEM) != 0) { 3323 foundInSystemIME = true; 3324 } 3325 } 3326 } 3327 } 3328 if (DEBUG) { 3329 if (mostApplicableIMI != null) { 3330 Slog.w(TAG, "Most applicable shortcut input method was:" 3331 + mostApplicableIMI.getId()); 3332 if (mostApplicableSubtype != null) { 3333 Slog.w(TAG, "Most applicable shortcut input method subtype was:" 3334 + "," + mostApplicableSubtype.getMode() + "," 3335 + mostApplicableSubtype.getLocale()); 3336 } 3337 } 3338 } 3339 if (mostApplicableIMI != null) { 3340 return new Pair<InputMethodInfo, InputMethodSubtype> (mostApplicableIMI, 3341 mostApplicableSubtype); 3342 } else { 3343 return null; 3344 } 3345 } 3346 3347 /** 3348 * @return Return the current subtype of this input method. 3349 */ 3350 @Override 3351 public InputMethodSubtype getCurrentInputMethodSubtype() { 3352 // TODO: Make this work even for non-current users? 3353 if (!calledFromValidUser()) { 3354 return null; 3355 } 3356 synchronized (mMethodMap) { 3357 return getCurrentInputMethodSubtypeLocked(); 3358 } 3359 } 3360 3361 private InputMethodSubtype getCurrentInputMethodSubtypeLocked() { 3362 if (mCurMethodId == null) { 3363 return null; 3364 } 3365 final boolean subtypeIsSelected = mSettings.isSubtypeSelected(); 3366 final InputMethodInfo imi = mMethodMap.get(mCurMethodId); 3367 if (imi == null || imi.getSubtypeCount() == 0) { 3368 return null; 3369 } 3370 if (!subtypeIsSelected || mCurrentSubtype == null 3371 || !InputMethodUtils.isValidSubtypeId(imi, mCurrentSubtype.hashCode())) { 3372 int subtypeId = mSettings.getSelectedInputMethodSubtypeId(mCurMethodId); 3373 if (subtypeId == NOT_A_SUBTYPE_ID) { 3374 // If there are no selected subtypes, the framework will try to find 3375 // the most applicable subtype from explicitly or implicitly enabled 3376 // subtypes. 3377 List<InputMethodSubtype> explicitlyOrImplicitlyEnabledSubtypes = 3378 mSettings.getEnabledInputMethodSubtypeListLocked(mContext, imi, true); 3379 // If there is only one explicitly or implicitly enabled subtype, 3380 // just returns it. 3381 if (explicitlyOrImplicitlyEnabledSubtypes.size() == 1) { 3382 mCurrentSubtype = explicitlyOrImplicitlyEnabledSubtypes.get(0); 3383 } else if (explicitlyOrImplicitlyEnabledSubtypes.size() > 1) { 3384 mCurrentSubtype = InputMethodUtils.findLastResortApplicableSubtypeLocked( 3385 mRes, explicitlyOrImplicitlyEnabledSubtypes, 3386 InputMethodUtils.SUBTYPE_MODE_KEYBOARD, null, true); 3387 if (mCurrentSubtype == null) { 3388 mCurrentSubtype = InputMethodUtils.findLastResortApplicableSubtypeLocked( 3389 mRes, explicitlyOrImplicitlyEnabledSubtypes, null, null, 3390 true); 3391 } 3392 } 3393 } else { 3394 mCurrentSubtype = InputMethodUtils.getSubtypes(imi).get(subtypeId); 3395 } 3396 } 3397 return mCurrentSubtype; 3398 } 3399 3400 private void addShortcutInputMethodAndSubtypes(InputMethodInfo imi, 3401 InputMethodSubtype subtype) { 3402 if (mShortcutInputMethodsAndSubtypes.containsKey(imi)) { 3403 mShortcutInputMethodsAndSubtypes.get(imi).add(subtype); 3404 } else { 3405 ArrayList<InputMethodSubtype> subtypes = new ArrayList<InputMethodSubtype>(); 3406 subtypes.add(subtype); 3407 mShortcutInputMethodsAndSubtypes.put(imi, subtypes); 3408 } 3409 } 3410 3411 // TODO: We should change the return type from List to List<Parcelable> 3412 @SuppressWarnings("rawtypes") 3413 @Override 3414 public List getShortcutInputMethodsAndSubtypes() { 3415 synchronized (mMethodMap) { 3416 ArrayList<Object> ret = new ArrayList<Object>(); 3417 if (mShortcutInputMethodsAndSubtypes.size() == 0) { 3418 // If there are no selected shortcut subtypes, the framework will try to find 3419 // the most applicable subtype from all subtypes whose mode is 3420 // SUBTYPE_MODE_VOICE. This is an exceptional case, so we will hardcode the mode. 3421 Pair<InputMethodInfo, InputMethodSubtype> info = 3422 findLastResortApplicableShortcutInputMethodAndSubtypeLocked( 3423 InputMethodUtils.SUBTYPE_MODE_VOICE); 3424 if (info != null) { 3425 ret.add(info.first); 3426 ret.add(info.second); 3427 } 3428 return ret; 3429 } 3430 for (InputMethodInfo imi: mShortcutInputMethodsAndSubtypes.keySet()) { 3431 ret.add(imi); 3432 for (InputMethodSubtype subtype: mShortcutInputMethodsAndSubtypes.get(imi)) { 3433 ret.add(subtype); 3434 } 3435 } 3436 return ret; 3437 } 3438 } 3439 3440 @Override 3441 public boolean setCurrentInputMethodSubtype(InputMethodSubtype subtype) { 3442 // TODO: Make this work even for non-current users? 3443 if (!calledFromValidUser()) { 3444 return false; 3445 } 3446 synchronized (mMethodMap) { 3447 if (subtype != null && mCurMethodId != null) { 3448 InputMethodInfo imi = mMethodMap.get(mCurMethodId); 3449 int subtypeId = InputMethodUtils.getSubtypeIdFromHashCode(imi, subtype.hashCode()); 3450 if (subtypeId != NOT_A_SUBTYPE_ID) { 3451 setInputMethodLocked(mCurMethodId, subtypeId); 3452 return true; 3453 } 3454 } 3455 return false; 3456 } 3457 } 3458 3459 // TODO: Cache the state for each user and reset when the cached user is removed. 3460 private static class InputMethodFileManager { 3461 private static final String SYSTEM_PATH = "system"; 3462 private static final String INPUT_METHOD_PATH = "inputmethod"; 3463 private static final String ADDITIONAL_SUBTYPES_FILE_NAME = "subtypes.xml"; 3464 private static final String NODE_SUBTYPES = "subtypes"; 3465 private static final String NODE_SUBTYPE = "subtype"; 3466 private static final String NODE_IMI = "imi"; 3467 private static final String ATTR_ID = "id"; 3468 private static final String ATTR_LABEL = "label"; 3469 private static final String ATTR_ICON = "icon"; 3470 private static final String ATTR_IME_SUBTYPE_LOCALE = "imeSubtypeLocale"; 3471 private static final String ATTR_IME_SUBTYPE_MODE = "imeSubtypeMode"; 3472 private static final String ATTR_IME_SUBTYPE_EXTRA_VALUE = "imeSubtypeExtraValue"; 3473 private static final String ATTR_IS_AUXILIARY = "isAuxiliary"; 3474 private final AtomicFile mAdditionalInputMethodSubtypeFile; 3475 private final HashMap<String, InputMethodInfo> mMethodMap; 3476 private final HashMap<String, List<InputMethodSubtype>> mAdditionalSubtypesMap = 3477 new HashMap<String, List<InputMethodSubtype>>(); 3478 public InputMethodFileManager(HashMap<String, InputMethodInfo> methodMap, int userId) { 3479 if (methodMap == null) { 3480 throw new NullPointerException("methodMap is null"); 3481 } 3482 mMethodMap = methodMap; 3483 final File systemDir = userId == UserHandle.USER_OWNER 3484 ? new File(Environment.getDataDirectory(), SYSTEM_PATH) 3485 : Environment.getUserSystemDirectory(userId); 3486 final File inputMethodDir = new File(systemDir, INPUT_METHOD_PATH); 3487 if (!inputMethodDir.mkdirs()) { 3488 Slog.w(TAG, "Couldn't create dir.: " + inputMethodDir.getAbsolutePath()); 3489 } 3490 final File subtypeFile = new File(inputMethodDir, ADDITIONAL_SUBTYPES_FILE_NAME); 3491 mAdditionalInputMethodSubtypeFile = new AtomicFile(subtypeFile); 3492 if (!subtypeFile.exists()) { 3493 // If "subtypes.xml" doesn't exist, create a blank file. 3494 writeAdditionalInputMethodSubtypes( 3495 mAdditionalSubtypesMap, mAdditionalInputMethodSubtypeFile, methodMap); 3496 } else { 3497 readAdditionalInputMethodSubtypes( 3498 mAdditionalSubtypesMap, mAdditionalInputMethodSubtypeFile); 3499 } 3500 } 3501 3502 private void deleteAllInputMethodSubtypes(String imiId) { 3503 synchronized (mMethodMap) { 3504 mAdditionalSubtypesMap.remove(imiId); 3505 writeAdditionalInputMethodSubtypes( 3506 mAdditionalSubtypesMap, mAdditionalInputMethodSubtypeFile, mMethodMap); 3507 } 3508 } 3509 3510 public void addInputMethodSubtypes( 3511 InputMethodInfo imi, InputMethodSubtype[] additionalSubtypes) { 3512 synchronized (mMethodMap) { 3513 final ArrayList<InputMethodSubtype> subtypes = new ArrayList<InputMethodSubtype>(); 3514 final int N = additionalSubtypes.length; 3515 for (int i = 0; i < N; ++i) { 3516 final InputMethodSubtype subtype = additionalSubtypes[i]; 3517 if (!subtypes.contains(subtype)) { 3518 subtypes.add(subtype); 3519 } else { 3520 Slog.w(TAG, "Duplicated subtype definition found: " 3521 + subtype.getLocale() + ", " + subtype.getMode()); 3522 } 3523 } 3524 mAdditionalSubtypesMap.put(imi.getId(), subtypes); 3525 writeAdditionalInputMethodSubtypes( 3526 mAdditionalSubtypesMap, mAdditionalInputMethodSubtypeFile, mMethodMap); 3527 } 3528 } 3529 3530 public HashMap<String, List<InputMethodSubtype>> getAllAdditionalInputMethodSubtypes() { 3531 synchronized (mMethodMap) { 3532 return mAdditionalSubtypesMap; 3533 } 3534 } 3535 3536 private static void writeAdditionalInputMethodSubtypes( 3537 HashMap<String, List<InputMethodSubtype>> allSubtypes, AtomicFile subtypesFile, 3538 HashMap<String, InputMethodInfo> methodMap) { 3539 // Safety net for the case that this function is called before methodMap is set. 3540 final boolean isSetMethodMap = methodMap != null && methodMap.size() > 0; 3541 FileOutputStream fos = null; 3542 try { 3543 fos = subtypesFile.startWrite(); 3544 final XmlSerializer out = new FastXmlSerializer(); 3545 out.setOutput(fos, StandardCharsets.UTF_8.name()); 3546 out.startDocument(null, true); 3547 out.setFeature("http://xmlpull.org/v1/doc/features.html#indent-output", true); 3548 out.startTag(null, NODE_SUBTYPES); 3549 for (String imiId : allSubtypes.keySet()) { 3550 if (isSetMethodMap && !methodMap.containsKey(imiId)) { 3551 Slog.w(TAG, "IME uninstalled or not valid.: " + imiId); 3552 continue; 3553 } 3554 out.startTag(null, NODE_IMI); 3555 out.attribute(null, ATTR_ID, imiId); 3556 final List<InputMethodSubtype> subtypesList = allSubtypes.get(imiId); 3557 final int N = subtypesList.size(); 3558 for (int i = 0; i < N; ++i) { 3559 final InputMethodSubtype subtype = subtypesList.get(i); 3560 out.startTag(null, NODE_SUBTYPE); 3561 out.attribute(null, ATTR_ICON, String.valueOf(subtype.getIconResId())); 3562 out.attribute(null, ATTR_LABEL, String.valueOf(subtype.getNameResId())); 3563 out.attribute(null, ATTR_IME_SUBTYPE_LOCALE, subtype.getLocale()); 3564 out.attribute(null, ATTR_IME_SUBTYPE_MODE, subtype.getMode()); 3565 out.attribute(null, ATTR_IME_SUBTYPE_EXTRA_VALUE, subtype.getExtraValue()); 3566 out.attribute(null, ATTR_IS_AUXILIARY, 3567 String.valueOf(subtype.isAuxiliary() ? 1 : 0)); 3568 out.endTag(null, NODE_SUBTYPE); 3569 } 3570 out.endTag(null, NODE_IMI); 3571 } 3572 out.endTag(null, NODE_SUBTYPES); 3573 out.endDocument(); 3574 subtypesFile.finishWrite(fos); 3575 } catch (java.io.IOException e) { 3576 Slog.w(TAG, "Error writing subtypes", e); 3577 if (fos != null) { 3578 subtypesFile.failWrite(fos); 3579 } 3580 } 3581 } 3582 3583 private static void readAdditionalInputMethodSubtypes( 3584 HashMap<String, List<InputMethodSubtype>> allSubtypes, AtomicFile subtypesFile) { 3585 if (allSubtypes == null || subtypesFile == null) return; 3586 allSubtypes.clear(); 3587 FileInputStream fis = null; 3588 try { 3589 fis = subtypesFile.openRead(); 3590 final XmlPullParser parser = Xml.newPullParser(); 3591 parser.setInput(fis, StandardCharsets.UTF_8.name()); 3592 int type = parser.getEventType(); 3593 // Skip parsing until START_TAG 3594 while ((type = parser.next()) != XmlPullParser.START_TAG 3595 && type != XmlPullParser.END_DOCUMENT) {} 3596 String firstNodeName = parser.getName(); 3597 if (!NODE_SUBTYPES.equals(firstNodeName)) { 3598 throw new XmlPullParserException("Xml doesn't start with subtypes"); 3599 } 3600 final int depth =parser.getDepth(); 3601 String currentImiId = null; 3602 ArrayList<InputMethodSubtype> tempSubtypesArray = null; 3603 while (((type = parser.next()) != XmlPullParser.END_TAG 3604 || parser.getDepth() > depth) && type != XmlPullParser.END_DOCUMENT) { 3605 if (type != XmlPullParser.START_TAG) 3606 continue; 3607 final String nodeName = parser.getName(); 3608 if (NODE_IMI.equals(nodeName)) { 3609 currentImiId = parser.getAttributeValue(null, ATTR_ID); 3610 if (TextUtils.isEmpty(currentImiId)) { 3611 Slog.w(TAG, "Invalid imi id found in subtypes.xml"); 3612 continue; 3613 } 3614 tempSubtypesArray = new ArrayList<InputMethodSubtype>(); 3615 allSubtypes.put(currentImiId, tempSubtypesArray); 3616 } else if (NODE_SUBTYPE.equals(nodeName)) { 3617 if (TextUtils.isEmpty(currentImiId) || tempSubtypesArray == null) { 3618 Slog.w(TAG, "IME uninstalled or not valid.: " + currentImiId); 3619 continue; 3620 } 3621 final int icon = Integer.valueOf( 3622 parser.getAttributeValue(null, ATTR_ICON)); 3623 final int label = Integer.valueOf( 3624 parser.getAttributeValue(null, ATTR_LABEL)); 3625 final String imeSubtypeLocale = 3626 parser.getAttributeValue(null, ATTR_IME_SUBTYPE_LOCALE); 3627 final String imeSubtypeMode = 3628 parser.getAttributeValue(null, ATTR_IME_SUBTYPE_MODE); 3629 final String imeSubtypeExtraValue = 3630 parser.getAttributeValue(null, ATTR_IME_SUBTYPE_EXTRA_VALUE); 3631 final boolean isAuxiliary = "1".equals(String.valueOf( 3632 parser.getAttributeValue(null, ATTR_IS_AUXILIARY))); 3633 final InputMethodSubtype subtype = new InputMethodSubtypeBuilder() 3634 .setSubtypeNameResId(label) 3635 .setSubtypeIconResId(icon) 3636 .setSubtypeLocale(imeSubtypeLocale) 3637 .setSubtypeMode(imeSubtypeMode) 3638 .setSubtypeExtraValue(imeSubtypeExtraValue) 3639 .setIsAuxiliary(isAuxiliary) 3640 .build(); 3641 tempSubtypesArray.add(subtype); 3642 } 3643 } 3644 } catch (XmlPullParserException e) { 3645 Slog.w(TAG, "Error reading subtypes: " + e); 3646 return; 3647 } catch (java.io.IOException e) { 3648 Slog.w(TAG, "Error reading subtypes: " + e); 3649 return; 3650 } catch (NumberFormatException e) { 3651 Slog.w(TAG, "Error reading subtypes: " + e); 3652 return; 3653 } finally { 3654 if (fis != null) { 3655 try { 3656 fis.close(); 3657 } catch (java.io.IOException e1) { 3658 Slog.w(TAG, "Failed to close."); 3659 } 3660 } 3661 } 3662 } 3663 } 3664 3665 @Override 3666 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 3667 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 3668 != PackageManager.PERMISSION_GRANTED) { 3669 3670 pw.println("Permission Denial: can't dump InputMethodManager from from pid=" 3671 + Binder.getCallingPid() 3672 + ", uid=" + Binder.getCallingUid()); 3673 return; 3674 } 3675 3676 IInputMethod method; 3677 ClientState client; 3678 3679 final Printer p = new PrintWriterPrinter(pw); 3680 3681 synchronized (mMethodMap) { 3682 p.println("Current Input Method Manager state:"); 3683 int N = mMethodList.size(); 3684 p.println(" Input Methods:"); 3685 for (int i=0; i<N; i++) { 3686 InputMethodInfo info = mMethodList.get(i); 3687 p.println(" InputMethod #" + i + ":"); 3688 info.dump(p, " "); 3689 } 3690 p.println(" Clients:"); 3691 for (ClientState ci : mClients.values()) { 3692 p.println(" Client " + ci + ":"); 3693 p.println(" client=" + ci.client); 3694 p.println(" inputContext=" + ci.inputContext); 3695 p.println(" sessionRequested=" + ci.sessionRequested); 3696 p.println(" curSession=" + ci.curSession); 3697 } 3698 p.println(" mCurMethodId=" + mCurMethodId); 3699 client = mCurClient; 3700 p.println(" mCurClient=" + client + " mCurSeq=" + mCurSeq); 3701 p.println(" mCurFocusedWindow=" + mCurFocusedWindow); 3702 p.println(" mCurId=" + mCurId + " mHaveConnect=" + mHaveConnection 3703 + " mBoundToMethod=" + mBoundToMethod); 3704 p.println(" mCurToken=" + mCurToken); 3705 p.println(" mCurIntent=" + mCurIntent); 3706 method = mCurMethod; 3707 p.println(" mCurMethod=" + mCurMethod); 3708 p.println(" mEnabledSession=" + mEnabledSession); 3709 p.println(" mShowRequested=" + mShowRequested 3710 + " mShowExplicitlyRequested=" + mShowExplicitlyRequested 3711 + " mShowForced=" + mShowForced 3712 + " mInputShown=" + mInputShown); 3713 p.println(" mCurUserActionNotificationSequenceNumber=" 3714 + mCurUserActionNotificationSequenceNumber); 3715 p.println(" mSystemReady=" + mSystemReady + " mInteractive=" + mScreenOn); 3716 p.println(" mSwitchingController:"); 3717 mSwitchingController.dump(p); 3718 } 3719 3720 p.println(" "); 3721 if (client != null) { 3722 pw.flush(); 3723 try { 3724 client.client.asBinder().dump(fd, args); 3725 } catch (RemoteException e) { 3726 p.println("Input method client dead: " + e); 3727 } 3728 } else { 3729 p.println("No input method client."); 3730 } 3731 3732 p.println(" "); 3733 if (method != null) { 3734 pw.flush(); 3735 try { 3736 method.asBinder().dump(fd, args); 3737 } catch (RemoteException e) { 3738 p.println("Input method service dead: " + e); 3739 } 3740 } else { 3741 p.println("No input method service."); 3742 } 3743 } 3744} 3745