InputMethodManagerService.java revision 05c25f8a3a033816ac25aa5cd7db5b1ab495bc3f
1/* 2 * 3 * Licensed under the Apache License, Version 2.0 (the "License"); you may not 4 * use this file except in compliance with the License. You may obtain a copy of 5 * the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT 11 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the 12 * License for the specific language governing permissions and limitations under 13 * the License. 14 */ 15 16package com.android.server; 17 18import com.android.internal.content.PackageMonitor; 19import com.android.internal.inputmethod.InputMethodSubtypeSwitchingController; 20import com.android.internal.inputmethod.InputMethodSubtypeSwitchingController.ImeSubtypeListItem; 21import com.android.internal.inputmethod.InputMethodUtils; 22import com.android.internal.inputmethod.InputMethodUtils.InputMethodSettings; 23import com.android.internal.os.HandlerCaller; 24import com.android.internal.os.SomeArgs; 25import com.android.internal.util.FastXmlSerializer; 26import com.android.internal.view.IInputContext; 27import com.android.internal.view.IInputMethod; 28import com.android.internal.view.IInputMethodClient; 29import com.android.internal.view.IInputMethodManager; 30import com.android.internal.view.IInputMethodSession; 31import com.android.internal.view.IInputSessionCallback; 32import com.android.internal.view.InputBindResult; 33import com.android.internal.view.InputMethodClient; 34import com.android.server.statusbar.StatusBarManagerService; 35 36import org.xmlpull.v1.XmlPullParser; 37import org.xmlpull.v1.XmlPullParserException; 38import org.xmlpull.v1.XmlSerializer; 39 40import android.annotation.NonNull; 41import android.annotation.Nullable; 42import android.app.ActivityManagerNative; 43import android.app.AlertDialog; 44import android.app.AppGlobals; 45import android.app.AppOpsManager; 46import android.app.KeyguardManager; 47import android.app.Notification; 48import android.app.NotificationManager; 49import android.app.PendingIntent; 50import android.app.SynchronousUserSwitchObserver; 51import android.content.BroadcastReceiver; 52import android.content.ComponentName; 53import android.content.ContentResolver; 54import android.content.Context; 55import android.content.DialogInterface; 56import android.content.DialogInterface.OnCancelListener; 57import android.content.DialogInterface.OnClickListener; 58import android.content.Intent; 59import android.content.IntentFilter; 60import android.content.ServiceConnection; 61import android.content.pm.ApplicationInfo; 62import android.content.pm.IPackageManager; 63import android.content.pm.PackageManager; 64import android.content.pm.ResolveInfo; 65import android.content.pm.ServiceInfo; 66import android.content.pm.UserInfo; 67import android.content.res.Configuration; 68import android.content.res.Resources; 69import android.content.res.TypedArray; 70import android.database.ContentObserver; 71import android.graphics.drawable.Drawable; 72import android.hardware.input.InputManagerInternal; 73import android.inputmethodservice.InputMethodService; 74import android.net.Uri; 75import android.os.Binder; 76import android.os.Bundle; 77import android.os.Debug; 78import android.os.Environment; 79import android.os.Handler; 80import android.os.IBinder; 81import android.os.IInterface; 82import android.os.Message; 83import android.os.Parcel; 84import android.os.Process; 85import android.os.RemoteException; 86import android.os.ResultReceiver; 87import android.os.ServiceManager; 88import android.os.SystemClock; 89import android.os.UserHandle; 90import android.os.UserManager; 91import android.provider.Settings; 92import android.text.TextUtils; 93import android.text.style.SuggestionSpan; 94import android.util.ArrayMap; 95import android.util.ArraySet; 96import android.util.AtomicFile; 97import android.util.EventLog; 98import android.util.LruCache; 99import android.util.Pair; 100import android.util.PrintWriterPrinter; 101import android.util.Printer; 102import android.util.Slog; 103import android.util.Xml; 104import android.view.ContextThemeWrapper; 105import android.view.IWindowManager; 106import android.view.InputChannel; 107import android.view.LayoutInflater; 108import android.view.View; 109import android.view.ViewGroup; 110import android.view.WindowManager; 111import android.view.WindowManagerInternal; 112import android.view.inputmethod.EditorInfo; 113import android.view.inputmethod.InputBinding; 114import android.view.inputmethod.InputMethod; 115import android.view.inputmethod.InputMethodInfo; 116import android.view.inputmethod.InputMethodManager; 117import android.view.inputmethod.InputMethodManagerInternal; 118import android.view.inputmethod.InputMethodSubtype; 119import android.view.inputmethod.InputMethodSubtype.InputMethodSubtypeBuilder; 120import android.widget.ArrayAdapter; 121import android.widget.CompoundButton; 122import android.widget.CompoundButton.OnCheckedChangeListener; 123import android.widget.RadioButton; 124import android.widget.Switch; 125import android.widget.TextView; 126 127import java.io.File; 128import java.io.FileDescriptor; 129import java.io.FileInputStream; 130import java.io.FileOutputStream; 131import java.io.IOException; 132import java.io.PrintWriter; 133import java.nio.charset.StandardCharsets; 134import java.util.ArrayList; 135import java.util.Collections; 136import java.util.HashMap; 137import java.util.List; 138import java.util.Locale; 139 140/** 141 * This class provides a system service that manages input methods. 142 */ 143public class InputMethodManagerService extends IInputMethodManager.Stub 144 implements ServiceConnection, Handler.Callback { 145 static final boolean DEBUG = false; 146 static final boolean DEBUG_RESTORE = DEBUG || false; 147 static final String TAG = "InputMethodManagerService"; 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_CLIENT = 3000; 164 static final int MSG_BIND_CLIENT = 3010; 165 static final int MSG_SET_ACTIVE = 3020; 166 static final int MSG_SET_INTERACTIVE = 3030; 167 static final int MSG_SET_USER_ACTION_NOTIFICATION_SEQUENCE_NUMBER = 3040; 168 static final int MSG_SWITCH_IME = 3050; 169 170 static final int MSG_HARD_KEYBOARD_SWITCH_CHANGED = 4000; 171 172 static final long TIME_TO_RECONNECT = 3 * 1000; 173 174 static final int SECURE_SUGGESTION_SPANS_MAX_SIZE = 20; 175 176 private static final int NOT_A_SUBTYPE_ID = InputMethodUtils.NOT_A_SUBTYPE_ID; 177 private static final String TAG_TRY_SUPPRESSING_IME_SWITCHER = "TrySuppressingImeSwitcher"; 178 179 180 final Context mContext; 181 final Resources mRes; 182 final Handler mHandler; 183 final InputMethodSettings mSettings; 184 final SettingsObserver mSettingsObserver; 185 final IWindowManager mIWindowManager; 186 final WindowManagerInternal mWindowManagerInternal; 187 final HandlerCaller mCaller; 188 final boolean mHasFeature; 189 private InputMethodFileManager mFileManager; 190 private final HardKeyboardListener mHardKeyboardListener; 191 private final AppOpsManager mAppOpsManager; 192 private final UserManager mUserManager; 193 194 final InputBindResult mNoBinding = new InputBindResult(null, null, null, -1, -1); 195 196 // All known input methods. mMethodMap also serves as the global 197 // lock for this class. 198 final ArrayList<InputMethodInfo> mMethodList = new ArrayList<>(); 199 final HashMap<String, InputMethodInfo> mMethodMap = new HashMap<>(); 200 private final LruCache<SuggestionSpan, InputMethodInfo> mSecureSuggestionSpans = 201 new LruCache<>(SECURE_SUGGESTION_SPANS_MAX_SIZE); 202 private final InputMethodSubtypeSwitchingController mSwitchingController; 203 204 // Used to bring IME service up to visible adjustment while it is being shown. 205 final ServiceConnection mVisibleConnection = new ServiceConnection() { 206 @Override public void onServiceConnected(ComponentName name, IBinder service) { 207 } 208 209 @Override public void onServiceDisconnected(ComponentName name) { 210 } 211 }; 212 boolean mVisibleBound = false; 213 214 // Ongoing notification 215 private NotificationManager mNotificationManager; 216 private KeyguardManager mKeyguardManager; 217 private StatusBarManagerService mStatusBar; 218 private Notification.Builder mImeSwitcherNotification; 219 private PendingIntent mImeSwitchPendingIntent; 220 private boolean mShowOngoingImeSwitcherForPhones; 221 private boolean mNotificationShown; 222 private final boolean mImeSelectedOnBoot; 223 224 static class SessionState { 225 final ClientState client; 226 final IInputMethod method; 227 228 IInputMethodSession session; 229 InputChannel channel; 230 231 @Override 232 public String toString() { 233 return "SessionState{uid " + client.uid + " pid " + client.pid 234 + " method " + Integer.toHexString( 235 System.identityHashCode(method)) 236 + " session " + Integer.toHexString( 237 System.identityHashCode(session)) 238 + " channel " + channel 239 + "}"; 240 } 241 242 SessionState(ClientState _client, IInputMethod _method, 243 IInputMethodSession _session, InputChannel _channel) { 244 client = _client; 245 method = _method; 246 session = _session; 247 channel = _channel; 248 } 249 } 250 251 static final class ClientState { 252 final IInputMethodClient client; 253 final IInputContext inputContext; 254 final int uid; 255 final int pid; 256 final InputBinding binding; 257 258 boolean sessionRequested; 259 SessionState curSession; 260 261 @Override 262 public String toString() { 263 return "ClientState{" + Integer.toHexString( 264 System.identityHashCode(this)) + " uid " + uid 265 + " pid " + pid + "}"; 266 } 267 268 ClientState(IInputMethodClient _client, IInputContext _inputContext, 269 int _uid, int _pid) { 270 client = _client; 271 inputContext = _inputContext; 272 uid = _uid; 273 pid = _pid; 274 binding = new InputBinding(null, inputContext.asBinder(), uid, pid); 275 } 276 } 277 278 final HashMap<IBinder, ClientState> mClients = new HashMap<>(); 279 280 /** 281 * Set once the system is ready to run third party code. 282 */ 283 boolean mSystemReady; 284 285 /** 286 * Id obtained with {@link InputMethodInfo#getId()} for the currently selected input method. 287 * method. This is to be synchronized with the secure settings keyed with 288 * {@link Settings.Secure#DEFAULT_INPUT_METHOD}. 289 * 290 * <p>This can be transiently {@code null} when the system is re-initializing input method 291 * settings, e.g., the system locale is just changed.</p> 292 * 293 * <p>Note that {@link #mCurId} is used to track which IME is being connected to 294 * {@link InputMethodManagerService}.</p> 295 * 296 * @see #mCurId 297 */ 298 @Nullable 299 String mCurMethodId; 300 301 /** 302 * The current binding sequence number, incremented every time there is 303 * a new bind performed. 304 */ 305 int mCurSeq; 306 307 /** 308 * The client that is currently bound to an input method. 309 */ 310 ClientState mCurClient; 311 312 /** 313 * The last window token that we confirmed to be focused. This is always updated upon reports 314 * from the input method client. If the window state is already changed before the report is 315 * handled, this field just keeps the last value. 316 */ 317 IBinder mCurFocusedWindow; 318 319 /** 320 * The client by which {@link #mCurFocusedWindow} was reported. Used only for debugging. 321 */ 322 ClientState mCurFocusedWindowClient; 323 324 /** 325 * The input context last provided by the current client. 326 */ 327 IInputContext mCurInputContext; 328 329 /** 330 * The attributes last provided by the current client. 331 */ 332 EditorInfo mCurAttribute; 333 334 /** 335 * Id obtained with {@link InputMethodInfo#getId()} for the input method that we are currently 336 * connected to or in the process of connecting to. 337 * 338 * <p>This can be {@code null} when no input method is connected.</p> 339 * 340 * @see #mCurMethodId 341 */ 342 @Nullable 343 String mCurId; 344 345 /** 346 * The current subtype of the current input method. 347 */ 348 private InputMethodSubtype mCurrentSubtype; 349 350 // This list contains the pairs of InputMethodInfo and InputMethodSubtype. 351 private final HashMap<InputMethodInfo, ArrayList<InputMethodSubtype>> 352 mShortcutInputMethodsAndSubtypes = new HashMap<>(); 353 354 // Was the keyguard locked when this client became current? 355 private boolean mCurClientInKeyguard; 356 357 /** 358 * Set to true if our ServiceConnection is currently actively bound to 359 * a service (whether or not we have gotten its IBinder back yet). 360 */ 361 boolean mHaveConnection; 362 363 /** 364 * Set if the client has asked for the input method to be shown. 365 */ 366 boolean mShowRequested; 367 368 /** 369 * Set if we were explicitly told to show the input method. 370 */ 371 boolean mShowExplicitlyRequested; 372 373 /** 374 * Set if we were forced to be shown. 375 */ 376 boolean mShowForced; 377 378 /** 379 * Set if we last told the input method to show itself. 380 */ 381 boolean mInputShown; 382 383 /** 384 * The Intent used to connect to the current input method. 385 */ 386 Intent mCurIntent; 387 388 /** 389 * The token we have made for the currently active input method, to 390 * identify it in the future. 391 */ 392 IBinder mCurToken; 393 394 /** 395 * If non-null, this is the input method service we are currently connected 396 * to. 397 */ 398 IInputMethod mCurMethod; 399 400 /** 401 * Time that we last initiated a bind to the input method, to determine 402 * if we should try to disconnect and reconnect to it. 403 */ 404 long mLastBindTime; 405 406 /** 407 * Have we called mCurMethod.bindInput()? 408 */ 409 boolean mBoundToMethod; 410 411 /** 412 * Currently enabled session. Only touched by service thread, not 413 * protected by a lock. 414 */ 415 SessionState mEnabledSession; 416 417 /** 418 * True if the device is currently interactive with user. The value is true initially. 419 */ 420 boolean mIsInteractive = true; 421 422 int mCurUserActionNotificationSequenceNumber = 0; 423 424 int mBackDisposition = InputMethodService.BACK_DISPOSITION_DEFAULT; 425 426 /** 427 * A set of status bits regarding the active IME. 428 * 429 * <p>This value is a combination of following two bits:</p> 430 * <dl> 431 * <dt>{@link InputMethodService#IME_ACTIVE}</dt> 432 * <dd> 433 * If this bit is ON, connected IME is ready to accept touch/key events. 434 * </dd> 435 * <dt>{@link InputMethodService#IME_VISIBLE}</dt> 436 * <dd> 437 * If this bit is ON, some of IME view, e.g. software input, candidate view, is visible. 438 * </dd> 439 * </dl> 440 * <em>Do not update this value outside of setImeWindowStatus.</em> 441 */ 442 int mImeWindowVis; 443 444 private AlertDialog.Builder mDialogBuilder; 445 private AlertDialog mSwitchingDialog; 446 private View mSwitchingDialogTitleView; 447 private InputMethodInfo[] mIms; 448 private int[] mSubtypeIds; 449 private Locale mLastSystemLocale; 450 private boolean mShowImeWithHardKeyboard; 451 private boolean mAccessibilityRequestingNoSoftKeyboard; 452 private final MyPackageMonitor mMyPackageMonitor = new MyPackageMonitor(); 453 private final IPackageManager mIPackageManager; 454 private final String mSlotIme; 455 456 class SettingsObserver extends ContentObserver { 457 int mUserId; 458 boolean mRegistered = false; 459 String mLastEnabled = ""; 460 461 /** 462 * <em>This constructor must be called within the lock.</em> 463 */ 464 SettingsObserver(Handler handler) { 465 super(handler); 466 } 467 468 public void registerContentObserverLocked(int userId) { 469 if (mRegistered && mUserId == userId) { 470 return; 471 } 472 ContentResolver resolver = mContext.getContentResolver(); 473 if (mRegistered) { 474 mContext.getContentResolver().unregisterContentObserver(this); 475 mRegistered = false; 476 } 477 if (mUserId != userId) { 478 mLastEnabled = ""; 479 mUserId = userId; 480 } 481 resolver.registerContentObserver(Settings.Secure.getUriFor( 482 Settings.Secure.DEFAULT_INPUT_METHOD), false, this, userId); 483 resolver.registerContentObserver(Settings.Secure.getUriFor( 484 Settings.Secure.ENABLED_INPUT_METHODS), false, this, userId); 485 resolver.registerContentObserver(Settings.Secure.getUriFor( 486 Settings.Secure.SELECTED_INPUT_METHOD_SUBTYPE), false, this, userId); 487 resolver.registerContentObserver(Settings.Secure.getUriFor( 488 Settings.Secure.SHOW_IME_WITH_HARD_KEYBOARD), false, this, userId); 489 resolver.registerContentObserver(Settings.Secure.getUriFor( 490 Settings.Secure.ACCESSIBILITY_SOFT_KEYBOARD_MODE), false, this, userId); 491 mRegistered = true; 492 } 493 494 @Override public void onChange(boolean selfChange, Uri uri) { 495 final Uri showImeUri = Settings.Secure.getUriFor( 496 Settings.Secure.SHOW_IME_WITH_HARD_KEYBOARD); 497 final Uri accessibilityRequestingNoImeUri = Settings.Secure.getUriFor( 498 Settings.Secure.ACCESSIBILITY_SOFT_KEYBOARD_MODE); 499 synchronized (mMethodMap) { 500 if (showImeUri.equals(uri)) { 501 updateKeyboardFromSettingsLocked(); 502 } else if (accessibilityRequestingNoImeUri.equals(uri)) { 503 mAccessibilityRequestingNoSoftKeyboard = Settings.Secure.getIntForUser( 504 mContext.getContentResolver(), 505 Settings.Secure.ACCESSIBILITY_SOFT_KEYBOARD_MODE, 506 0, mUserId) == 1; 507 if (mAccessibilityRequestingNoSoftKeyboard) { 508 final boolean showRequested = mShowRequested; 509 hideCurrentInputLocked(0, null); 510 mShowRequested = showRequested; 511 } else if (mShowRequested) { 512 showCurrentInputLocked(InputMethodManager.SHOW_IMPLICIT, null); 513 } 514 } else { 515 boolean enabledChanged = false; 516 String newEnabled = mSettings.getEnabledInputMethodsStr(); 517 if (!mLastEnabled.equals(newEnabled)) { 518 mLastEnabled = newEnabled; 519 enabledChanged = true; 520 } 521 updateInputMethodsFromSettingsLocked(enabledChanged); 522 } 523 } 524 } 525 526 @Override 527 public String toString() { 528 return "SettingsObserver{mUserId=" + mUserId + " mRegistered=" + mRegistered 529 + " mLastEnabled=" + mLastEnabled + "}"; 530 } 531 } 532 533 class ImmsBroadcastReceiver extends android.content.BroadcastReceiver { 534 @Override 535 public void onReceive(Context context, Intent intent) { 536 final String action = intent.getAction(); 537 if (Intent.ACTION_CLOSE_SYSTEM_DIALOGS.equals(action)) { 538 hideInputMethodMenu(); 539 // No need to update mIsInteractive 540 return; 541 } else if (Intent.ACTION_USER_ADDED.equals(action) 542 || Intent.ACTION_USER_REMOVED.equals(action)) { 543 updateCurrentProfileIds(); 544 return; 545 } else if (Intent.ACTION_SETTING_RESTORED.equals(action)) { 546 final String name = intent.getStringExtra(Intent.EXTRA_SETTING_NAME); 547 if (Settings.Secure.ENABLED_INPUT_METHODS.equals(name)) { 548 final String prevValue = intent.getStringExtra( 549 Intent.EXTRA_SETTING_PREVIOUS_VALUE); 550 final String newValue = intent.getStringExtra( 551 Intent.EXTRA_SETTING_NEW_VALUE); 552 restoreEnabledInputMethods(mContext, prevValue, newValue); 553 } 554 } else { 555 Slog.w(TAG, "Unexpected intent " + intent); 556 } 557 } 558 } 559 560 // Apply the results of a restore operation to the set of enabled IMEs. Note that this 561 // does not attempt to validate on the fly with any installed device policy, so must only 562 // be run in the context of initial device setup. 563 // 564 // TODO: Move this method to InputMethodUtils with adding unit tests. 565 static void restoreEnabledInputMethods(Context context, String prevValue, String newValue) { 566 if (DEBUG_RESTORE) { 567 Slog.i(TAG, "Restoring enabled input methods:"); 568 Slog.i(TAG, "prev=" + prevValue); 569 Slog.i(TAG, " new=" + newValue); 570 } 571 // 'new' is the just-restored state, 'prev' is what was in settings prior to the restore 572 ArrayMap<String, ArraySet<String>> prevMap = 573 InputMethodUtils.parseInputMethodsAndSubtypesString(prevValue); 574 ArrayMap<String, ArraySet<String>> newMap = 575 InputMethodUtils.parseInputMethodsAndSubtypesString(newValue); 576 577 // Merge the restored ime+subtype enabled states into the live state 578 for (ArrayMap.Entry<String, ArraySet<String>> entry : newMap.entrySet()) { 579 final String imeId = entry.getKey(); 580 ArraySet<String> prevSubtypes = prevMap.get(imeId); 581 if (prevSubtypes == null) { 582 prevSubtypes = new ArraySet<>(2); 583 prevMap.put(imeId, prevSubtypes); 584 } 585 prevSubtypes.addAll(entry.getValue()); 586 } 587 588 final String mergedImesAndSubtypesString = 589 InputMethodUtils.buildInputMethodsAndSubtypesString(prevMap); 590 if (DEBUG_RESTORE) { 591 Slog.i(TAG, "Merged IME string:"); 592 Slog.i(TAG, " " + mergedImesAndSubtypesString); 593 } 594 Settings.Secure.putString(context.getContentResolver(), 595 Settings.Secure.ENABLED_INPUT_METHODS, mergedImesAndSubtypesString); 596 } 597 598 class MyPackageMonitor extends PackageMonitor { 599 private boolean isChangingPackagesOfCurrentUser() { 600 final int userId = getChangingUserId(); 601 final boolean retval = userId == mSettings.getCurrentUserId(); 602 if (DEBUG) { 603 if (!retval) { 604 Slog.d(TAG, "--- ignore this call back from a background user: " + userId); 605 } 606 } 607 return retval; 608 } 609 610 @Override 611 public boolean onHandleForceStop(Intent intent, String[] packages, int uid, boolean doit) { 612 if (!isChangingPackagesOfCurrentUser()) { 613 return false; 614 } 615 synchronized (mMethodMap) { 616 String curInputMethodId = mSettings.getSelectedInputMethod(); 617 final int N = mMethodList.size(); 618 if (curInputMethodId != null) { 619 for (int i=0; i<N; i++) { 620 InputMethodInfo imi = mMethodList.get(i); 621 if (imi.getId().equals(curInputMethodId)) { 622 for (String pkg : packages) { 623 if (imi.getPackageName().equals(pkg)) { 624 if (!doit) { 625 return true; 626 } 627 resetSelectedInputMethodAndSubtypeLocked(""); 628 chooseNewDefaultIMELocked(); 629 return true; 630 } 631 } 632 } 633 } 634 } 635 } 636 return false; 637 } 638 639 @Override 640 public void onSomePackagesChanged() { 641 if (!isChangingPackagesOfCurrentUser()) { 642 return; 643 } 644 synchronized (mMethodMap) { 645 InputMethodInfo curIm = null; 646 String curInputMethodId = mSettings.getSelectedInputMethod(); 647 final int N = mMethodList.size(); 648 if (curInputMethodId != null) { 649 for (int i=0; i<N; i++) { 650 InputMethodInfo imi = mMethodList.get(i); 651 final String imiId = imi.getId(); 652 if (imiId.equals(curInputMethodId)) { 653 curIm = imi; 654 } 655 656 int change = isPackageDisappearing(imi.getPackageName()); 657 if (isPackageModified(imi.getPackageName())) { 658 mFileManager.deleteAllInputMethodSubtypes(imiId); 659 } 660 if (change == PACKAGE_TEMPORARY_CHANGE 661 || change == PACKAGE_PERMANENT_CHANGE) { 662 Slog.i(TAG, "Input method uninstalled, disabling: " 663 + imi.getComponent()); 664 setInputMethodEnabledLocked(imi.getId(), false); 665 } 666 } 667 } 668 669 buildInputMethodListLocked(false /* resetDefaultEnabledIme */); 670 671 boolean changed = false; 672 673 if (curIm != null) { 674 int change = isPackageDisappearing(curIm.getPackageName()); 675 if (change == PACKAGE_TEMPORARY_CHANGE 676 || change == PACKAGE_PERMANENT_CHANGE) { 677 ServiceInfo si = null; 678 try { 679 si = mIPackageManager.getServiceInfo( 680 curIm.getComponent(), 0, mSettings.getCurrentUserId()); 681 } catch (RemoteException ex) { 682 } 683 if (si == null) { 684 // Uh oh, current input method is no longer around! 685 // Pick another one... 686 Slog.i(TAG, "Current input method removed: " + curInputMethodId); 687 updateSystemUiLocked(mCurToken, 0 /* vis */, mBackDisposition); 688 if (!chooseNewDefaultIMELocked()) { 689 changed = true; 690 curIm = null; 691 Slog.i(TAG, "Unsetting current input method"); 692 resetSelectedInputMethodAndSubtypeLocked(""); 693 } 694 } 695 } 696 } 697 698 if (curIm == null) { 699 // We currently don't have a default input method... is 700 // one now available? 701 changed = chooseNewDefaultIMELocked(); 702 } else if (!changed && isPackageModified(curIm.getPackageName())) { 703 // Even if the current input method is still available, mCurrentSubtype could 704 // be obsolete when the package is modified in practice. 705 changed = true; 706 } 707 708 if (changed) { 709 updateFromSettingsLocked(false); 710 } 711 } 712 } 713 } 714 715 private static final class MethodCallback extends IInputSessionCallback.Stub { 716 private final InputMethodManagerService mParentIMMS; 717 private final IInputMethod mMethod; 718 private final InputChannel mChannel; 719 720 MethodCallback(InputMethodManagerService imms, IInputMethod method, 721 InputChannel channel) { 722 mParentIMMS = imms; 723 mMethod = method; 724 mChannel = channel; 725 } 726 727 @Override 728 public void sessionCreated(IInputMethodSession session) { 729 long ident = Binder.clearCallingIdentity(); 730 try { 731 mParentIMMS.onSessionCreated(mMethod, session, mChannel); 732 } finally { 733 Binder.restoreCallingIdentity(ident); 734 } 735 } 736 } 737 738 private class HardKeyboardListener 739 implements WindowManagerInternal.OnHardKeyboardStatusChangeListener { 740 @Override 741 public void onHardKeyboardStatusChange(boolean available) { 742 mHandler.sendMessage(mHandler.obtainMessage(MSG_HARD_KEYBOARD_SWITCH_CHANGED, 743 available ? 1 : 0)); 744 } 745 746 public void handleHardKeyboardStatusChange(boolean available) { 747 if (DEBUG) { 748 Slog.w(TAG, "HardKeyboardStatusChanged: available=" + available); 749 } 750 synchronized(mMethodMap) { 751 if (mSwitchingDialog != null && mSwitchingDialogTitleView != null 752 && mSwitchingDialog.isShowing()) { 753 mSwitchingDialogTitleView.findViewById( 754 com.android.internal.R.id.hard_keyboard_section).setVisibility( 755 available ? View.VISIBLE : View.GONE); 756 } 757 } 758 } 759 } 760 761 public static final class Lifecycle extends SystemService { 762 private InputMethodManagerService mService; 763 764 public Lifecycle(Context context) { 765 super(context); 766 mService = new InputMethodManagerService(context); 767 } 768 769 @Override 770 public void onStart() { 771 LocalServices.addService(InputMethodManagerInternal.class, 772 new LocalServiceImpl(mService.mHandler)); 773 publishBinderService(Context.INPUT_METHOD_SERVICE, mService); 774 } 775 776 @Override 777 public void onBootPhase(int phase) { 778 if (phase == SystemService.PHASE_ACTIVITY_MANAGER_READY) { 779 StatusBarManagerService statusBarService = (StatusBarManagerService) ServiceManager 780 .getService(Context.STATUS_BAR_SERVICE); 781 mService.systemRunning(statusBarService); 782 } 783 } 784 785 @Override 786 public void onUnlockUser(int userHandle) { 787 mService.onUnlockUser(userHandle); 788 } 789 } 790 791 public void onUnlockUser(int userId) { 792 synchronized(mMethodMap) { 793 final int currentUserId = mSettings.getCurrentUserId(); 794 if (DEBUG) { 795 Slog.d(TAG, "onUnlockUser: userId=" + userId + " curUserId=" + currentUserId); 796 } 797 if (userId != currentUserId) { 798 return; 799 } 800 mSettings.switchCurrentUser(currentUserId, !mSystemReady); 801 // We need to rebuild IMEs. 802 buildInputMethodListLocked(false /* resetDefaultEnabledIme */); 803 updateInputMethodsFromSettingsLocked(true /* enabledChanged */); 804 } 805 } 806 807 public InputMethodManagerService(Context context) { 808 mIPackageManager = AppGlobals.getPackageManager(); 809 mContext = context; 810 mRes = context.getResources(); 811 mHandler = new Handler(this); 812 // Note: SettingsObserver doesn't register observers in its constructor. 813 mSettingsObserver = new SettingsObserver(mHandler); 814 mIWindowManager = IWindowManager.Stub.asInterface( 815 ServiceManager.getService(Context.WINDOW_SERVICE)); 816 mWindowManagerInternal = LocalServices.getService(WindowManagerInternal.class); 817 mCaller = new HandlerCaller(context, null, new HandlerCaller.Callback() { 818 @Override 819 public void executeMessage(Message msg) { 820 handleMessage(msg); 821 } 822 }, true /*asyncHandler*/); 823 mAppOpsManager = mContext.getSystemService(AppOpsManager.class); 824 mUserManager = mContext.getSystemService(UserManager.class); 825 mHardKeyboardListener = new HardKeyboardListener(); 826 mHasFeature = context.getPackageManager().hasSystemFeature( 827 PackageManager.FEATURE_INPUT_METHODS); 828 mSlotIme = mContext.getString(com.android.internal.R.string.status_bar_ime); 829 830 Bundle extras = new Bundle(); 831 extras.putBoolean(Notification.EXTRA_ALLOW_DURING_SETUP, true); 832 mImeSwitcherNotification = new Notification.Builder(mContext) 833 .setSmallIcon(com.android.internal.R.drawable.ic_notification_ime_default) 834 .setWhen(0) 835 .setOngoing(true) 836 .addExtras(extras) 837 .setCategory(Notification.CATEGORY_SYSTEM) 838 .setColor(com.android.internal.R.color.system_notification_accent_color); 839 840 Intent intent = new Intent(Settings.ACTION_SHOW_INPUT_METHOD_PICKER); 841 mImeSwitchPendingIntent = PendingIntent.getBroadcast(mContext, 0, intent, 0); 842 843 mShowOngoingImeSwitcherForPhones = false; 844 845 final IntentFilter broadcastFilter = new IntentFilter(); 846 broadcastFilter.addAction(Intent.ACTION_CLOSE_SYSTEM_DIALOGS); 847 broadcastFilter.addAction(Intent.ACTION_USER_ADDED); 848 broadcastFilter.addAction(Intent.ACTION_USER_REMOVED); 849 broadcastFilter.addAction(Intent.ACTION_SETTING_RESTORED); 850 mContext.registerReceiver(new ImmsBroadcastReceiver(), broadcastFilter); 851 852 mNotificationShown = false; 853 int userId = 0; 854 try { 855 ActivityManagerNative.getDefault().registerUserSwitchObserver( 856 new SynchronousUserSwitchObserver() { 857 @Override 858 public void onUserSwitching(int newUserId) 859 throws RemoteException { 860 synchronized(mMethodMap) { 861 switchUserLocked(newUserId); 862 } 863 } 864 865 @Override 866 public void onUserSwitchComplete(int newUserId) throws RemoteException { 867 } 868 869 @Override 870 public void onForegroundProfileSwitch(int newProfileId) { 871 // Ignore. 872 } 873 }); 874 userId = ActivityManagerNative.getDefault().getCurrentUser().id; 875 } catch (RemoteException e) { 876 Slog.w(TAG, "Couldn't get current user ID; guessing it's 0", e); 877 } 878 mMyPackageMonitor.register(mContext, null, UserHandle.ALL, true); 879 880 // mSettings should be created before buildInputMethodListLocked 881 mSettings = new InputMethodSettings( 882 mRes, context.getContentResolver(), mMethodMap, mMethodList, userId, !mSystemReady); 883 884 updateCurrentProfileIds(); 885 mFileManager = new InputMethodFileManager(mMethodMap, userId); 886 synchronized (mMethodMap) { 887 mSwitchingController = InputMethodSubtypeSwitchingController.createInstanceLocked( 888 mSettings, context); 889 } 890 891 // Just checking if defaultImiId is empty or not 892 final String defaultImiId = mSettings.getSelectedInputMethod(); 893 if (DEBUG) { 894 Slog.d(TAG, "Initial default ime = " + defaultImiId); 895 } 896 mImeSelectedOnBoot = !TextUtils.isEmpty(defaultImiId); 897 898 synchronized (mMethodMap) { 899 buildInputMethodListLocked(!mImeSelectedOnBoot /* resetDefaultEnabledIme */); 900 } 901 mSettings.enableAllIMEsIfThereIsNoEnabledIME(); 902 903 if (!mImeSelectedOnBoot) { 904 Slog.w(TAG, "No IME selected. Choose the most applicable IME."); 905 synchronized (mMethodMap) { 906 resetDefaultImeLocked(context); 907 } 908 } 909 910 synchronized (mMethodMap) { 911 mSettingsObserver.registerContentObserverLocked(userId); 912 updateFromSettingsLocked(true); 913 } 914 915 // IMMS wants to receive Intent.ACTION_LOCALE_CHANGED in order to update the current IME 916 // according to the new system locale. 917 final IntentFilter filter = new IntentFilter(); 918 filter.addAction(Intent.ACTION_LOCALE_CHANGED); 919 mContext.registerReceiver( 920 new BroadcastReceiver() { 921 @Override 922 public void onReceive(Context context, Intent intent) { 923 synchronized(mMethodMap) { 924 resetStateIfCurrentLocaleChangedLocked(); 925 } 926 } 927 }, filter); 928 } 929 930 private void resetDefaultImeLocked(Context context) { 931 // Do not reset the default (current) IME when it is a 3rd-party IME 932 if (mCurMethodId != null && !InputMethodUtils.isSystemIme(mMethodMap.get(mCurMethodId))) { 933 return; 934 } 935 final List<InputMethodInfo> suitableImes = InputMethodUtils.getDefaultEnabledImes( 936 context, mSystemReady, mSettings.getEnabledInputMethodListLocked()); 937 if (suitableImes.isEmpty()) { 938 Slog.i(TAG, "No default found"); 939 return; 940 } 941 final InputMethodInfo defIm = suitableImes.get(0); 942 Slog.i(TAG, "Default found, using " + defIm.getId()); 943 setSelectedInputMethodAndSubtypeLocked(defIm, NOT_A_SUBTYPE_ID, false); 944 } 945 946 private void resetAllInternalStateLocked(final boolean updateOnlyWhenLocaleChanged, 947 final boolean resetDefaultEnabledIme) { 948 if (!mSystemReady) { 949 // not system ready 950 return; 951 } 952 final Locale newLocale = mRes.getConfiguration().locale; 953 if (!updateOnlyWhenLocaleChanged 954 || (newLocale != null && !newLocale.equals(mLastSystemLocale))) { 955 if (!updateOnlyWhenLocaleChanged) { 956 hideCurrentInputLocked(0, null); 957 resetCurrentMethodAndClient(InputMethodClient.UNBIND_REASON_RESET_IME); 958 } 959 if (DEBUG) { 960 Slog.i(TAG, "Locale has been changed to " + newLocale); 961 } 962 buildInputMethodListLocked(resetDefaultEnabledIme); 963 if (!updateOnlyWhenLocaleChanged) { 964 final String selectedImiId = mSettings.getSelectedInputMethod(); 965 if (TextUtils.isEmpty(selectedImiId)) { 966 // This is the first time of the user switch and 967 // set the current ime to the proper one. 968 resetDefaultImeLocked(mContext); 969 } 970 } else { 971 // If the locale is changed, needs to reset the default ime 972 resetDefaultImeLocked(mContext); 973 } 974 updateFromSettingsLocked(true); 975 mLastSystemLocale = newLocale; 976 if (!updateOnlyWhenLocaleChanged) { 977 try { 978 startInputInnerLocked(); 979 } catch (RuntimeException e) { 980 Slog.w(TAG, "Unexpected exception", e); 981 } 982 } 983 } 984 } 985 986 private void resetStateIfCurrentLocaleChangedLocked() { 987 resetAllInternalStateLocked(true /* updateOnlyWhenLocaleChanged */, 988 true /* resetDefaultImeLocked */); 989 } 990 991 private void switchUserLocked(int newUserId) { 992 if (DEBUG) Slog.d(TAG, "Switching user stage 1/3. newUserId=" + newUserId 993 + " currentUserId=" + mSettings.getCurrentUserId()); 994 995 // ContentObserver should be registered again when the user is changed 996 mSettingsObserver.registerContentObserverLocked(newUserId); 997 998 // If the system is not ready or the device is not yed unlocked by the user, then we use 999 // copy-on-write settings. 1000 final boolean useCopyOnWriteSettings = 1001 !mSystemReady || !mUserManager.isUserUnlocked(newUserId); 1002 mSettings.switchCurrentUser(newUserId, useCopyOnWriteSettings); 1003 updateCurrentProfileIds(); 1004 // InputMethodFileManager should be reset when the user is changed 1005 mFileManager = new InputMethodFileManager(mMethodMap, newUserId); 1006 final String defaultImiId = mSettings.getSelectedInputMethod(); 1007 1008 if (DEBUG) Slog.d(TAG, "Switching user stage 2/3. newUserId=" + newUserId 1009 + " defaultImiId=" + defaultImiId); 1010 1011 // For secondary users, the list of enabled IMEs may not have been updated since the 1012 // callbacks to PackageMonitor are ignored for the secondary user. Here, defaultImiId may 1013 // not be empty even if the IME has been uninstalled by the primary user. 1014 // Even in such cases, IMMS works fine because it will find the most applicable 1015 // IME for that user. 1016 final boolean initialUserSwitch = TextUtils.isEmpty(defaultImiId); 1017 resetAllInternalStateLocked(false /* updateOnlyWhenLocaleChanged */, 1018 initialUserSwitch /* needsToResetDefaultIme */); 1019 if (initialUserSwitch) { 1020 InputMethodUtils.setNonSelectedSystemImesDisabledUntilUsed(mIPackageManager, 1021 mSettings.getEnabledInputMethodListLocked(), newUserId, 1022 mContext.getBasePackageName()); 1023 } 1024 1025 if (DEBUG) Slog.d(TAG, "Switching user stage 3/3. newUserId=" + newUserId 1026 + " selectedIme=" + mSettings.getSelectedInputMethod()); 1027 } 1028 1029 void updateCurrentProfileIds() { 1030 List<UserInfo> profiles = mUserManager.getProfiles(mSettings.getCurrentUserId()); 1031 int[] currentProfileIds = new int[profiles.size()]; // profiles will not be null 1032 for (int i = 0; i < currentProfileIds.length; i++) { 1033 currentProfileIds[i] = profiles.get(i).id; 1034 } 1035 mSettings.setCurrentProfileIds(currentProfileIds); 1036 } 1037 1038 @Override 1039 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 1040 throws RemoteException { 1041 try { 1042 return super.onTransact(code, data, reply, flags); 1043 } catch (RuntimeException e) { 1044 // The input method manager only throws security exceptions, so let's 1045 // log all others. 1046 if (!(e instanceof SecurityException)) { 1047 Slog.wtf(TAG, "Input Method Manager Crash", e); 1048 } 1049 throw e; 1050 } 1051 } 1052 1053 public void systemRunning(StatusBarManagerService statusBar) { 1054 synchronized (mMethodMap) { 1055 if (DEBUG) { 1056 Slog.d(TAG, "--- systemReady"); 1057 } 1058 if (!mSystemReady) { 1059 mSystemReady = true; 1060 final int currentUserId = mSettings.getCurrentUserId(); 1061 mSettings.switchCurrentUser(currentUserId, 1062 !mUserManager.isUserUnlocked(currentUserId)); 1063 mKeyguardManager = mContext.getSystemService(KeyguardManager.class); 1064 mNotificationManager = mContext.getSystemService(NotificationManager.class); 1065 mStatusBar = statusBar; 1066 statusBar.setIconVisibility(mSlotIme, false); 1067 updateSystemUiLocked(mCurToken, mImeWindowVis, mBackDisposition); 1068 mShowOngoingImeSwitcherForPhones = mRes.getBoolean( 1069 com.android.internal.R.bool.show_ongoing_ime_switcher); 1070 if (mShowOngoingImeSwitcherForPhones) { 1071 mWindowManagerInternal.setOnHardKeyboardStatusChangeListener( 1072 mHardKeyboardListener); 1073 } 1074 buildInputMethodListLocked(!mImeSelectedOnBoot /* resetDefaultEnabledIme */); 1075 if (!mImeSelectedOnBoot) { 1076 Slog.w(TAG, "Reset the default IME as \"Resource\" is ready here."); 1077 resetStateIfCurrentLocaleChangedLocked(); 1078 InputMethodUtils.setNonSelectedSystemImesDisabledUntilUsed(mIPackageManager, 1079 mSettings.getEnabledInputMethodListLocked(), 1080 mSettings.getCurrentUserId(), mContext.getBasePackageName()); 1081 } 1082 mLastSystemLocale = mRes.getConfiguration().locale; 1083 try { 1084 startInputInnerLocked(); 1085 } catch (RuntimeException e) { 1086 Slog.w(TAG, "Unexpected exception", e); 1087 } 1088 } 1089 } 1090 } 1091 1092 // --------------------------------------------------------------------------------------- 1093 // Check whether or not this is a valid IPC. Assumes an IPC is valid when either 1094 // 1) it comes from the system process 1095 // 2) the calling process' user id is identical to the current user id IMMS thinks. 1096 private boolean calledFromValidUser() { 1097 final int uid = Binder.getCallingUid(); 1098 final int userId = UserHandle.getUserId(uid); 1099 if (DEBUG) { 1100 Slog.d(TAG, "--- calledFromForegroundUserOrSystemProcess ? " 1101 + "calling uid = " + uid + " system uid = " + Process.SYSTEM_UID 1102 + " calling userId = " + userId + ", foreground user id = " 1103 + mSettings.getCurrentUserId() + ", calling pid = " + Binder.getCallingPid() 1104 + InputMethodUtils.getApiCallStack()); 1105 } 1106 if (uid == Process.SYSTEM_UID || mSettings.isCurrentProfile(userId)) { 1107 return true; 1108 } 1109 1110 // Caveat: A process which has INTERACT_ACROSS_USERS_FULL gets results for the 1111 // foreground user, not for the user of that process. Accordingly InputMethodManagerService 1112 // must not manage background users' states in any functions. 1113 // Note that privacy-sensitive IPCs, such as setInputMethod, are still securely guarded 1114 // by a token. 1115 if (mContext.checkCallingOrSelfPermission( 1116 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL) 1117 == PackageManager.PERMISSION_GRANTED) { 1118 if (DEBUG) { 1119 Slog.d(TAG, "--- Access granted because the calling process has " 1120 + "the INTERACT_ACROSS_USERS_FULL permission"); 1121 } 1122 return true; 1123 } 1124 Slog.w(TAG, "--- IPC called from background users. Ignore. callers=" 1125 + Debug.getCallers(10)); 1126 return false; 1127 } 1128 1129 1130 /** 1131 * Returns true iff the caller is identified to be the current input method with the token. 1132 * @param token The window token given to the input method when it was started. 1133 * @return true if and only if non-null valid token is specified. 1134 */ 1135 private boolean calledWithValidToken(IBinder token) { 1136 if (token == null || mCurToken != token) { 1137 return false; 1138 } 1139 return true; 1140 } 1141 1142 private boolean bindCurrentInputMethodService( 1143 Intent service, ServiceConnection conn, int flags) { 1144 if (service == null || conn == null) { 1145 Slog.e(TAG, "--- bind failed: service = " + service + ", conn = " + conn); 1146 return false; 1147 } 1148 return mContext.bindServiceAsUser(service, conn, flags, 1149 new UserHandle(mSettings.getCurrentUserId())); 1150 } 1151 1152 @Override 1153 public List<InputMethodInfo> getInputMethodList() { 1154 // TODO: Make this work even for non-current users? 1155 if (!calledFromValidUser()) { 1156 return Collections.emptyList(); 1157 } 1158 synchronized (mMethodMap) { 1159 return new ArrayList<>(mMethodList); 1160 } 1161 } 1162 1163 @Override 1164 public List<InputMethodInfo> getEnabledInputMethodList() { 1165 // TODO: Make this work even for non-current users? 1166 if (!calledFromValidUser()) { 1167 return Collections.emptyList(); 1168 } 1169 synchronized (mMethodMap) { 1170 return mSettings.getEnabledInputMethodListLocked(); 1171 } 1172 } 1173 1174 /** 1175 * @param imiId if null, returns enabled subtypes for the current imi 1176 * @return enabled subtypes of the specified imi 1177 */ 1178 @Override 1179 public List<InputMethodSubtype> getEnabledInputMethodSubtypeList(String imiId, 1180 boolean allowsImplicitlySelectedSubtypes) { 1181 // TODO: Make this work even for non-current users? 1182 if (!calledFromValidUser()) { 1183 return Collections.emptyList(); 1184 } 1185 synchronized (mMethodMap) { 1186 final InputMethodInfo imi; 1187 if (imiId == null && mCurMethodId != null) { 1188 imi = mMethodMap.get(mCurMethodId); 1189 } else { 1190 imi = mMethodMap.get(imiId); 1191 } 1192 if (imi == null) { 1193 return Collections.emptyList(); 1194 } 1195 return mSettings.getEnabledInputMethodSubtypeListLocked( 1196 mContext, imi, allowsImplicitlySelectedSubtypes); 1197 } 1198 } 1199 1200 @Override 1201 public void addClient(IInputMethodClient client, 1202 IInputContext inputContext, int uid, int pid) { 1203 if (!calledFromValidUser()) { 1204 return; 1205 } 1206 synchronized (mMethodMap) { 1207 mClients.put(client.asBinder(), new ClientState(client, 1208 inputContext, uid, pid)); 1209 } 1210 } 1211 1212 @Override 1213 public void removeClient(IInputMethodClient client) { 1214 if (!calledFromValidUser()) { 1215 return; 1216 } 1217 synchronized (mMethodMap) { 1218 ClientState cs = mClients.remove(client.asBinder()); 1219 if (cs != null) { 1220 clearClientSessionLocked(cs); 1221 if (mCurClient == cs) { 1222 mCurClient = null; 1223 } 1224 if (mCurFocusedWindowClient == cs) { 1225 mCurFocusedWindowClient = null; 1226 } 1227 } 1228 } 1229 } 1230 1231 void executeOrSendMessage(IInterface target, Message msg) { 1232 if (target.asBinder() instanceof Binder) { 1233 mCaller.sendMessage(msg); 1234 } else { 1235 handleMessage(msg); 1236 msg.recycle(); 1237 } 1238 } 1239 1240 void unbindCurrentClientLocked( 1241 /* @InputMethodClient.UnbindReason */ final int unbindClientReason) { 1242 if (mCurClient != null) { 1243 if (DEBUG) Slog.v(TAG, "unbindCurrentInputLocked: client=" 1244 + mCurClient.client.asBinder()); 1245 if (mBoundToMethod) { 1246 mBoundToMethod = false; 1247 if (mCurMethod != null) { 1248 executeOrSendMessage(mCurMethod, mCaller.obtainMessageO( 1249 MSG_UNBIND_INPUT, mCurMethod)); 1250 } 1251 } 1252 1253 executeOrSendMessage(mCurClient.client, mCaller.obtainMessageIO( 1254 MSG_SET_ACTIVE, 0, mCurClient)); 1255 executeOrSendMessage(mCurClient.client, mCaller.obtainMessageIIO( 1256 MSG_UNBIND_CLIENT, mCurSeq, unbindClientReason, mCurClient.client)); 1257 mCurClient.sessionRequested = false; 1258 mCurClient = null; 1259 1260 hideInputMethodMenuLocked(); 1261 } 1262 } 1263 1264 private int getImeShowFlags() { 1265 int flags = 0; 1266 if (mShowForced) { 1267 flags |= InputMethod.SHOW_FORCED 1268 | InputMethod.SHOW_EXPLICIT; 1269 } else if (mShowExplicitlyRequested) { 1270 flags |= InputMethod.SHOW_EXPLICIT; 1271 } 1272 return flags; 1273 } 1274 1275 private int getAppShowFlags() { 1276 int flags = 0; 1277 if (mShowForced) { 1278 flags |= InputMethodManager.SHOW_FORCED; 1279 } else if (!mShowExplicitlyRequested) { 1280 flags |= InputMethodManager.SHOW_IMPLICIT; 1281 } 1282 return flags; 1283 } 1284 1285 InputBindResult attachNewInputLocked(boolean initial) { 1286 if (!mBoundToMethod) { 1287 executeOrSendMessage(mCurMethod, mCaller.obtainMessageOO( 1288 MSG_BIND_INPUT, mCurMethod, mCurClient.binding)); 1289 mBoundToMethod = true; 1290 } 1291 final SessionState session = mCurClient.curSession; 1292 if (initial) { 1293 executeOrSendMessage(session.method, mCaller.obtainMessageOOO( 1294 MSG_START_INPUT, session, mCurInputContext, mCurAttribute)); 1295 } else { 1296 executeOrSendMessage(session.method, mCaller.obtainMessageOOO( 1297 MSG_RESTART_INPUT, session, mCurInputContext, mCurAttribute)); 1298 } 1299 if (mShowRequested) { 1300 if (DEBUG) Slog.v(TAG, "Attach new input asks to show input"); 1301 showCurrentInputLocked(getAppShowFlags(), null); 1302 } 1303 return new InputBindResult(session.session, 1304 (session.channel != null ? session.channel.dup() : null), 1305 mCurId, mCurSeq, mCurUserActionNotificationSequenceNumber); 1306 } 1307 1308 InputBindResult startInputLocked( 1309 /* @InputMethodClient.StartInputReason */ final int startInputReason, 1310 IInputMethodClient client, IInputContext inputContext, EditorInfo attribute, 1311 int controlFlags) { 1312 // If no method is currently selected, do nothing. 1313 if (mCurMethodId == null) { 1314 return mNoBinding; 1315 } 1316 1317 ClientState cs = mClients.get(client.asBinder()); 1318 if (cs == null) { 1319 throw new IllegalArgumentException("unknown client " 1320 + client.asBinder()); 1321 } 1322 1323 try { 1324 if (!mIWindowManager.inputMethodClientHasFocus(cs.client)) { 1325 // Check with the window manager to make sure this client actually 1326 // has a window with focus. If not, reject. This is thread safe 1327 // because if the focus changes some time before or after, the 1328 // next client receiving focus that has any interest in input will 1329 // be calling through here after that change happens. 1330 Slog.w(TAG, "Starting input on non-focused client " + cs.client 1331 + " (uid=" + cs.uid + " pid=" + cs.pid + ")"); 1332 return null; 1333 } 1334 } catch (RemoteException e) { 1335 } 1336 1337 return startInputUncheckedLocked(cs, inputContext, attribute, controlFlags); 1338 } 1339 1340 InputBindResult startInputUncheckedLocked(@NonNull ClientState cs, IInputContext inputContext, 1341 @NonNull EditorInfo attribute, int controlFlags) { 1342 // If no method is currently selected, do nothing. 1343 if (mCurMethodId == null) { 1344 return mNoBinding; 1345 } 1346 1347 if (!InputMethodUtils.checkIfPackageBelongsToUid(mAppOpsManager, cs.uid, 1348 attribute.packageName)) { 1349 Slog.e(TAG, "Rejecting this client as it reported an invalid package name." 1350 + " uid=" + cs.uid + " package=" + attribute.packageName); 1351 return mNoBinding; 1352 } 1353 1354 if (mCurClient != cs) { 1355 // Was the keyguard locked when switching over to the new client? 1356 mCurClientInKeyguard = isKeyguardLocked(); 1357 // If the client is changing, we need to switch over to the new 1358 // one. 1359 unbindCurrentClientLocked(InputMethodClient.UNBIND_REASON_SWITCH_CLIENT); 1360 if (DEBUG) Slog.v(TAG, "switching to client: client=" 1361 + cs.client.asBinder() + " keyguard=" + mCurClientInKeyguard); 1362 1363 // If the screen is on, inform the new client it is active 1364 if (mIsInteractive) { 1365 executeOrSendMessage(cs.client, mCaller.obtainMessageIO( 1366 MSG_SET_ACTIVE, mIsInteractive ? 1 : 0, cs)); 1367 } 1368 } 1369 1370 // Bump up the sequence for this client and attach it. 1371 mCurSeq++; 1372 if (mCurSeq <= 0) mCurSeq = 1; 1373 mCurClient = cs; 1374 mCurInputContext = inputContext; 1375 mCurAttribute = attribute; 1376 1377 // Check if the input method is changing. 1378 if (mCurId != null && mCurId.equals(mCurMethodId)) { 1379 if (cs.curSession != null) { 1380 // Fast case: if we are already connected to the input method, 1381 // then just return it. 1382 return attachNewInputLocked( 1383 (controlFlags&InputMethodManager.CONTROL_START_INITIAL) != 0); 1384 } 1385 if (mHaveConnection) { 1386 if (mCurMethod != null) { 1387 // Return to client, and we will get back with it when 1388 // we have had a session made for it. 1389 requestClientSessionLocked(cs); 1390 return new InputBindResult(null, null, mCurId, mCurSeq, 1391 mCurUserActionNotificationSequenceNumber); 1392 } else if (SystemClock.uptimeMillis() 1393 < (mLastBindTime+TIME_TO_RECONNECT)) { 1394 // In this case we have connected to the service, but 1395 // don't yet have its interface. If it hasn't been too 1396 // long since we did the connection, we'll return to 1397 // the client and wait to get the service interface so 1398 // we can report back. If it has been too long, we want 1399 // to fall through so we can try a disconnect/reconnect 1400 // to see if we can get back in touch with the service. 1401 return new InputBindResult(null, null, mCurId, mCurSeq, 1402 mCurUserActionNotificationSequenceNumber); 1403 } else { 1404 EventLog.writeEvent(EventLogTags.IMF_FORCE_RECONNECT_IME, 1405 mCurMethodId, SystemClock.uptimeMillis()-mLastBindTime, 0); 1406 } 1407 } 1408 } 1409 1410 return startInputInnerLocked(); 1411 } 1412 1413 InputBindResult startInputInnerLocked() { 1414 if (mCurMethodId == null) { 1415 return mNoBinding; 1416 } 1417 1418 if (!mSystemReady) { 1419 // If the system is not yet ready, we shouldn't be running third 1420 // party code. 1421 return new InputBindResult(null, null, mCurMethodId, mCurSeq, 1422 mCurUserActionNotificationSequenceNumber); 1423 } 1424 1425 InputMethodInfo info = mMethodMap.get(mCurMethodId); 1426 if (info == null) { 1427 throw new IllegalArgumentException("Unknown id: " + mCurMethodId); 1428 } 1429 1430 unbindCurrentMethodLocked(true); 1431 1432 mCurIntent = new Intent(InputMethod.SERVICE_INTERFACE); 1433 mCurIntent.setComponent(info.getComponent()); 1434 mCurIntent.putExtra(Intent.EXTRA_CLIENT_LABEL, 1435 com.android.internal.R.string.input_method_binding_label); 1436 mCurIntent.putExtra(Intent.EXTRA_CLIENT_INTENT, PendingIntent.getActivity( 1437 mContext, 0, new Intent(Settings.ACTION_INPUT_METHOD_SETTINGS), 0)); 1438 if (bindCurrentInputMethodService(mCurIntent, this, Context.BIND_AUTO_CREATE 1439 | Context.BIND_NOT_VISIBLE | Context.BIND_NOT_FOREGROUND 1440 | Context.BIND_SHOWING_UI)) { 1441 mLastBindTime = SystemClock.uptimeMillis(); 1442 mHaveConnection = true; 1443 mCurId = info.getId(); 1444 mCurToken = new Binder(); 1445 try { 1446 if (true || DEBUG) Slog.v(TAG, "Adding window token: " + mCurToken); 1447 mIWindowManager.addWindowToken(mCurToken, 1448 WindowManager.LayoutParams.TYPE_INPUT_METHOD); 1449 } catch (RemoteException e) { 1450 } 1451 return new InputBindResult(null, null, mCurId, mCurSeq, 1452 mCurUserActionNotificationSequenceNumber); 1453 } else { 1454 mCurIntent = null; 1455 Slog.w(TAG, "Failure connecting to input method service: " 1456 + mCurIntent); 1457 } 1458 return null; 1459 } 1460 1461 private InputBindResult startInput( 1462 /* @InputMethodClient.StartInputReason */ final int startInputReason, 1463 IInputMethodClient client, IInputContext inputContext, EditorInfo attribute, 1464 int controlFlags) { 1465 if (!calledFromValidUser()) { 1466 return null; 1467 } 1468 synchronized (mMethodMap) { 1469 if (DEBUG) { 1470 Slog.v(TAG, "startInput: reason=" 1471 + InputMethodClient.getStartInputReason(startInputReason) 1472 + " client = " + client.asBinder() 1473 + " inputContext=" + inputContext 1474 + " attribute=" + attribute 1475 + " controlFlags=#" + Integer.toHexString(controlFlags)); 1476 } 1477 final long ident = Binder.clearCallingIdentity(); 1478 try { 1479 return startInputLocked(startInputReason, client, inputContext, attribute, 1480 controlFlags); 1481 } finally { 1482 Binder.restoreCallingIdentity(ident); 1483 } 1484 } 1485 } 1486 1487 @Override 1488 public void finishInput(IInputMethodClient client) { 1489 } 1490 1491 @Override 1492 public void onServiceConnected(ComponentName name, IBinder service) { 1493 synchronized (mMethodMap) { 1494 if (mCurIntent != null && name.equals(mCurIntent.getComponent())) { 1495 mCurMethod = IInputMethod.Stub.asInterface(service); 1496 if (mCurToken == null) { 1497 Slog.w(TAG, "Service connected without a token!"); 1498 unbindCurrentMethodLocked(false); 1499 return; 1500 } 1501 if (DEBUG) Slog.v(TAG, "Initiating attach with token: " + mCurToken); 1502 executeOrSendMessage(mCurMethod, mCaller.obtainMessageOO( 1503 MSG_ATTACH_TOKEN, mCurMethod, mCurToken)); 1504 if (mCurClient != null) { 1505 clearClientSessionLocked(mCurClient); 1506 requestClientSessionLocked(mCurClient); 1507 } 1508 } 1509 } 1510 } 1511 1512 void onSessionCreated(IInputMethod method, IInputMethodSession session, 1513 InputChannel channel) { 1514 synchronized (mMethodMap) { 1515 if (mCurMethod != null && method != null 1516 && mCurMethod.asBinder() == method.asBinder()) { 1517 if (mCurClient != null) { 1518 clearClientSessionLocked(mCurClient); 1519 mCurClient.curSession = new SessionState(mCurClient, 1520 method, session, channel); 1521 InputBindResult res = attachNewInputLocked(true); 1522 if (res.method != null) { 1523 executeOrSendMessage(mCurClient.client, mCaller.obtainMessageOO( 1524 MSG_BIND_CLIENT, mCurClient.client, res)); 1525 } 1526 return; 1527 } 1528 } 1529 } 1530 1531 // Session abandoned. Close its associated input channel. 1532 channel.dispose(); 1533 } 1534 1535 void unbindCurrentMethodLocked(boolean savePosition) { 1536 if (mVisibleBound) { 1537 mContext.unbindService(mVisibleConnection); 1538 mVisibleBound = false; 1539 } 1540 1541 if (mHaveConnection) { 1542 mContext.unbindService(this); 1543 mHaveConnection = false; 1544 } 1545 1546 if (mCurToken != null) { 1547 try { 1548 if (DEBUG) Slog.v(TAG, "Removing window token: " + mCurToken); 1549 if ((mImeWindowVis & InputMethodService.IME_ACTIVE) != 0 && savePosition) { 1550 // The current IME is shown. Hence an IME switch (transition) is happening. 1551 mWindowManagerInternal.saveLastInputMethodWindowForTransition(); 1552 } 1553 mIWindowManager.removeWindowToken(mCurToken); 1554 } catch (RemoteException e) { 1555 } 1556 mCurToken = null; 1557 } 1558 1559 mCurId = null; 1560 clearCurMethodLocked(); 1561 } 1562 1563 void resetCurrentMethodAndClient( 1564 /* @InputMethodClient.UnbindReason */ final int unbindClientReason) { 1565 mCurMethodId = null; 1566 unbindCurrentMethodLocked(false); 1567 unbindCurrentClientLocked(unbindClientReason); 1568 } 1569 1570 void requestClientSessionLocked(ClientState cs) { 1571 if (!cs.sessionRequested) { 1572 if (DEBUG) Slog.v(TAG, "Creating new session for client " + cs); 1573 InputChannel[] channels = InputChannel.openInputChannelPair(cs.toString()); 1574 cs.sessionRequested = true; 1575 executeOrSendMessage(mCurMethod, mCaller.obtainMessageOOO( 1576 MSG_CREATE_SESSION, mCurMethod, channels[1], 1577 new MethodCallback(this, mCurMethod, channels[0]))); 1578 } 1579 } 1580 1581 void clearClientSessionLocked(ClientState cs) { 1582 finishSessionLocked(cs.curSession); 1583 cs.curSession = null; 1584 cs.sessionRequested = false; 1585 } 1586 1587 private void finishSessionLocked(SessionState sessionState) { 1588 if (sessionState != null) { 1589 if (sessionState.session != null) { 1590 try { 1591 sessionState.session.finishSession(); 1592 } catch (RemoteException e) { 1593 Slog.w(TAG, "Session failed to close due to remote exception", e); 1594 updateSystemUiLocked(mCurToken, 0 /* vis */, mBackDisposition); 1595 } 1596 sessionState.session = null; 1597 } 1598 if (sessionState.channel != null) { 1599 sessionState.channel.dispose(); 1600 sessionState.channel = null; 1601 } 1602 } 1603 } 1604 1605 void clearCurMethodLocked() { 1606 if (mCurMethod != null) { 1607 for (ClientState cs : mClients.values()) { 1608 clearClientSessionLocked(cs); 1609 } 1610 1611 finishSessionLocked(mEnabledSession); 1612 mEnabledSession = null; 1613 mCurMethod = null; 1614 } 1615 if (mStatusBar != null) { 1616 mStatusBar.setIconVisibility(mSlotIme, false); 1617 } 1618 } 1619 1620 @Override 1621 public void onServiceDisconnected(ComponentName name) { 1622 synchronized (mMethodMap) { 1623 if (DEBUG) Slog.v(TAG, "Service disconnected: " + name 1624 + " mCurIntent=" + mCurIntent); 1625 if (mCurMethod != null && mCurIntent != null 1626 && name.equals(mCurIntent.getComponent())) { 1627 clearCurMethodLocked(); 1628 // We consider this to be a new bind attempt, since the system 1629 // should now try to restart the service for us. 1630 mLastBindTime = SystemClock.uptimeMillis(); 1631 mShowRequested = mInputShown; 1632 mInputShown = false; 1633 if (mCurClient != null) { 1634 executeOrSendMessage(mCurClient.client, mCaller.obtainMessageIIO( 1635 MSG_UNBIND_CLIENT, InputMethodClient.UNBIND_REASON_DISCONNECT_IME, 1636 mCurSeq, mCurClient.client)); 1637 } 1638 } 1639 } 1640 } 1641 1642 @Override 1643 public void updateStatusIcon(IBinder token, String packageName, int iconId) { 1644 long ident = Binder.clearCallingIdentity(); 1645 try { 1646 synchronized (mMethodMap) { 1647 if (!calledWithValidToken(token)) { 1648 final int uid = Binder.getCallingUid(); 1649 Slog.e(TAG, "Ignoring updateStatusIcon due to an invalid token. uid:" + uid 1650 + " token:" + token); 1651 return; 1652 } 1653 if (iconId == 0) { 1654 if (DEBUG) Slog.d(TAG, "hide the small icon for the input method"); 1655 if (mStatusBar != null) { 1656 mStatusBar.setIconVisibility(mSlotIme, false); 1657 } 1658 } else if (packageName != null) { 1659 if (DEBUG) Slog.d(TAG, "show a small icon for the input method"); 1660 CharSequence contentDescription = null; 1661 try { 1662 // Use PackageManager to load label 1663 final PackageManager packageManager = mContext.getPackageManager(); 1664 contentDescription = packageManager.getApplicationLabel( 1665 mIPackageManager.getApplicationInfo(packageName, 0, 1666 mSettings.getCurrentUserId())); 1667 } catch (RemoteException e) { 1668 /* ignore */ 1669 } 1670 if (mStatusBar != null) { 1671 mStatusBar.setIcon(mSlotIme, packageName, iconId, 0, 1672 contentDescription != null 1673 ? contentDescription.toString() : null); 1674 mStatusBar.setIconVisibility(mSlotIme, true); 1675 } 1676 } 1677 } 1678 } finally { 1679 Binder.restoreCallingIdentity(ident); 1680 } 1681 } 1682 1683 private boolean shouldShowImeSwitcherLocked(int visibility) { 1684 if (!mShowOngoingImeSwitcherForPhones) return false; 1685 if (mSwitchingDialog != null) return false; 1686 if (isScreenLocked()) return false; 1687 if ((visibility & InputMethodService.IME_ACTIVE) == 0) return false; 1688 if (mWindowManagerInternal.isHardKeyboardAvailable()) { 1689 // When physical keyboard is attached, we show the ime switcher (or notification if 1690 // NavBar is not available) because SHOW_IME_WITH_HARD_KEYBOARD settings currently 1691 // exists in the IME switcher dialog. Might be OK to remove this condition once 1692 // SHOW_IME_WITH_HARD_KEYBOARD settings finds a good place to live. 1693 return true; 1694 } 1695 if ((visibility & InputMethodService.IME_VISIBLE) == 0) return false; 1696 1697 List<InputMethodInfo> imis = mSettings.getEnabledInputMethodListLocked(); 1698 final int N = imis.size(); 1699 if (N > 2) return true; 1700 if (N < 1) return false; 1701 int nonAuxCount = 0; 1702 int auxCount = 0; 1703 InputMethodSubtype nonAuxSubtype = null; 1704 InputMethodSubtype auxSubtype = null; 1705 for(int i = 0; i < N; ++i) { 1706 final InputMethodInfo imi = imis.get(i); 1707 final List<InputMethodSubtype> subtypes = 1708 mSettings.getEnabledInputMethodSubtypeListLocked(mContext, imi, true); 1709 final int subtypeCount = subtypes.size(); 1710 if (subtypeCount == 0) { 1711 ++nonAuxCount; 1712 } else { 1713 for (int j = 0; j < subtypeCount; ++j) { 1714 final InputMethodSubtype subtype = subtypes.get(j); 1715 if (!subtype.isAuxiliary()) { 1716 ++nonAuxCount; 1717 nonAuxSubtype = subtype; 1718 } else { 1719 ++auxCount; 1720 auxSubtype = subtype; 1721 } 1722 } 1723 } 1724 } 1725 if (nonAuxCount > 1 || auxCount > 1) { 1726 return true; 1727 } else if (nonAuxCount == 1 && auxCount == 1) { 1728 if (nonAuxSubtype != null && auxSubtype != null 1729 && (nonAuxSubtype.getLocale().equals(auxSubtype.getLocale()) 1730 || auxSubtype.overridesImplicitlyEnabledSubtype() 1731 || nonAuxSubtype.overridesImplicitlyEnabledSubtype()) 1732 && nonAuxSubtype.containsExtraValueKey(TAG_TRY_SUPPRESSING_IME_SWITCHER)) { 1733 return false; 1734 } 1735 return true; 1736 } 1737 return false; 1738 } 1739 1740 private boolean isKeyguardLocked() { 1741 return mKeyguardManager != null && mKeyguardManager.isKeyguardLocked(); 1742 } 1743 1744 @SuppressWarnings("deprecation") 1745 @Override 1746 public void setImeWindowStatus(IBinder token, int vis, int backDisposition) { 1747 if (!calledWithValidToken(token)) { 1748 final int uid = Binder.getCallingUid(); 1749 Slog.e(TAG, "Ignoring setImeWindowStatus due to an invalid token. uid:" + uid 1750 + " token:" + token); 1751 return; 1752 } 1753 1754 synchronized (mMethodMap) { 1755 mImeWindowVis = vis; 1756 mBackDisposition = backDisposition; 1757 updateSystemUiLocked(token, vis, backDisposition); 1758 } 1759 } 1760 1761 private void updateSystemUi(IBinder token, int vis, int backDisposition) { 1762 synchronized (mMethodMap) { 1763 updateSystemUiLocked(token, vis, backDisposition); 1764 } 1765 } 1766 1767 // Caution! This method is called in this class. Handle multi-user carefully 1768 private void updateSystemUiLocked(IBinder token, int vis, int backDisposition) { 1769 if (!calledWithValidToken(token)) { 1770 final int uid = Binder.getCallingUid(); 1771 Slog.e(TAG, "Ignoring updateSystemUiLocked due to an invalid token. uid:" + uid 1772 + " token:" + token); 1773 return; 1774 } 1775 1776 // TODO: Move this clearing calling identity block to setImeWindowStatus after making sure 1777 // all updateSystemUi happens on system previlege. 1778 final long ident = Binder.clearCallingIdentity(); 1779 try { 1780 // apply policy for binder calls 1781 if (vis != 0 && isKeyguardLocked() && !mCurClientInKeyguard) { 1782 vis = 0; 1783 } 1784 // mImeWindowVis should be updated before calling shouldShowImeSwitcherLocked(). 1785 final boolean needsToShowImeSwitcher = shouldShowImeSwitcherLocked(vis); 1786 if (mStatusBar != null) { 1787 mStatusBar.setImeWindowStatus(token, vis, backDisposition, 1788 needsToShowImeSwitcher); 1789 } 1790 final InputMethodInfo imi = mMethodMap.get(mCurMethodId); 1791 if (imi != null && needsToShowImeSwitcher) { 1792 // Used to load label 1793 final CharSequence title = mRes.getText( 1794 com.android.internal.R.string.select_input_method); 1795 final CharSequence summary = InputMethodUtils.getImeAndSubtypeDisplayName( 1796 mContext, imi, mCurrentSubtype); 1797 mImeSwitcherNotification.setContentTitle(title) 1798 .setContentText(summary) 1799 .setContentIntent(mImeSwitchPendingIntent); 1800 try { 1801 if ((mNotificationManager != null) 1802 && !mIWindowManager.hasNavigationBar()) { 1803 if (DEBUG) { 1804 Slog.d(TAG, "--- show notification: label = " + summary); 1805 } 1806 mNotificationManager.notifyAsUser(null, 1807 com.android.internal.R.string.select_input_method, 1808 mImeSwitcherNotification.build(), UserHandle.ALL); 1809 mNotificationShown = true; 1810 } 1811 } catch (RemoteException e) { 1812 } 1813 } else { 1814 if (mNotificationShown && mNotificationManager != null) { 1815 if (DEBUG) { 1816 Slog.d(TAG, "--- hide notification"); 1817 } 1818 mNotificationManager.cancelAsUser(null, 1819 com.android.internal.R.string.select_input_method, UserHandle.ALL); 1820 mNotificationShown = false; 1821 } 1822 } 1823 } finally { 1824 Binder.restoreCallingIdentity(ident); 1825 } 1826 } 1827 1828 @Override 1829 public void registerSuggestionSpansForNotification(SuggestionSpan[] spans) { 1830 if (!calledFromValidUser()) { 1831 return; 1832 } 1833 synchronized (mMethodMap) { 1834 final InputMethodInfo currentImi = mMethodMap.get(mCurMethodId); 1835 for (int i = 0; i < spans.length; ++i) { 1836 SuggestionSpan ss = spans[i]; 1837 if (!TextUtils.isEmpty(ss.getNotificationTargetClassName())) { 1838 mSecureSuggestionSpans.put(ss, currentImi); 1839 } 1840 } 1841 } 1842 } 1843 1844 @Override 1845 public boolean notifySuggestionPicked(SuggestionSpan span, String originalString, int index) { 1846 if (!calledFromValidUser()) { 1847 return false; 1848 } 1849 synchronized (mMethodMap) { 1850 final InputMethodInfo targetImi = mSecureSuggestionSpans.get(span); 1851 // TODO: Do not send the intent if the process of the targetImi is already dead. 1852 if (targetImi != null) { 1853 final String[] suggestions = span.getSuggestions(); 1854 if (index < 0 || index >= suggestions.length) return false; 1855 final String className = span.getNotificationTargetClassName(); 1856 final Intent intent = new Intent(); 1857 // Ensures that only a class in the original IME package will receive the 1858 // notification. 1859 intent.setClassName(targetImi.getPackageName(), className); 1860 intent.setAction(SuggestionSpan.ACTION_SUGGESTION_PICKED); 1861 intent.putExtra(SuggestionSpan.SUGGESTION_SPAN_PICKED_BEFORE, originalString); 1862 intent.putExtra(SuggestionSpan.SUGGESTION_SPAN_PICKED_AFTER, suggestions[index]); 1863 intent.putExtra(SuggestionSpan.SUGGESTION_SPAN_PICKED_HASHCODE, span.hashCode()); 1864 final long ident = Binder.clearCallingIdentity(); 1865 try { 1866 mContext.sendBroadcastAsUser(intent, UserHandle.CURRENT); 1867 } finally { 1868 Binder.restoreCallingIdentity(ident); 1869 } 1870 return true; 1871 } 1872 } 1873 return false; 1874 } 1875 1876 void updateFromSettingsLocked(boolean enabledMayChange) { 1877 updateInputMethodsFromSettingsLocked(enabledMayChange); 1878 updateKeyboardFromSettingsLocked(); 1879 } 1880 1881 void updateInputMethodsFromSettingsLocked(boolean enabledMayChange) { 1882 if (enabledMayChange) { 1883 List<InputMethodInfo> enabled = mSettings.getEnabledInputMethodListLocked(); 1884 for (int i=0; i<enabled.size(); i++) { 1885 // We allow the user to select "disabled until used" apps, so if they 1886 // are enabling one of those here we now need to make it enabled. 1887 InputMethodInfo imm = enabled.get(i); 1888 try { 1889 ApplicationInfo ai = mIPackageManager.getApplicationInfo(imm.getPackageName(), 1890 PackageManager.GET_DISABLED_UNTIL_USED_COMPONENTS, 1891 mSettings.getCurrentUserId()); 1892 if (ai != null && ai.enabledSetting 1893 == PackageManager.COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED) { 1894 if (DEBUG) { 1895 Slog.d(TAG, "Update state(" + imm.getId() 1896 + "): DISABLED_UNTIL_USED -> DEFAULT"); 1897 } 1898 mIPackageManager.setApplicationEnabledSetting(imm.getPackageName(), 1899 PackageManager.COMPONENT_ENABLED_STATE_DEFAULT, 1900 PackageManager.DONT_KILL_APP, mSettings.getCurrentUserId(), 1901 mContext.getBasePackageName()); 1902 } 1903 } catch (RemoteException e) { 1904 } 1905 } 1906 } 1907 // We are assuming that whoever is changing DEFAULT_INPUT_METHOD and 1908 // ENABLED_INPUT_METHODS is taking care of keeping them correctly in 1909 // sync, so we will never have a DEFAULT_INPUT_METHOD that is not 1910 // enabled. 1911 String id = mSettings.getSelectedInputMethod(); 1912 // There is no input method selected, try to choose new applicable input method. 1913 if (TextUtils.isEmpty(id) && chooseNewDefaultIMELocked()) { 1914 id = mSettings.getSelectedInputMethod(); 1915 } 1916 if (!TextUtils.isEmpty(id)) { 1917 try { 1918 setInputMethodLocked(id, mSettings.getSelectedInputMethodSubtypeId(id)); 1919 } catch (IllegalArgumentException e) { 1920 Slog.w(TAG, "Unknown input method from prefs: " + id, e); 1921 resetCurrentMethodAndClient(InputMethodClient.UNBIND_REASON_SWITCH_IME_FAILED); 1922 } 1923 mShortcutInputMethodsAndSubtypes.clear(); 1924 } else { 1925 // There is no longer an input method set, so stop any current one. 1926 resetCurrentMethodAndClient(InputMethodClient.UNBIND_REASON_NO_IME); 1927 } 1928 // Here is not the perfect place to reset the switching controller. Ideally 1929 // mSwitchingController and mSettings should be able to share the same state. 1930 // TODO: Make sure that mSwitchingController and mSettings are sharing the 1931 // the same enabled IMEs list. 1932 mSwitchingController.resetCircularListLocked(mContext); 1933 1934 } 1935 1936 public void updateKeyboardFromSettingsLocked() { 1937 mShowImeWithHardKeyboard = mSettings.isShowImeWithHardKeyboardEnabled(); 1938 if (mSwitchingDialog != null 1939 && mSwitchingDialogTitleView != null 1940 && mSwitchingDialog.isShowing()) { 1941 final Switch hardKeySwitch = (Switch)mSwitchingDialogTitleView.findViewById( 1942 com.android.internal.R.id.hard_keyboard_switch); 1943 hardKeySwitch.setChecked(mShowImeWithHardKeyboard); 1944 } 1945 } 1946 1947 private void notifyInputMethodSubtypeChanged(final int userId, 1948 @Nullable final InputMethodInfo inputMethodInfo, 1949 @Nullable final InputMethodSubtype subtype) { 1950 final InputManagerInternal inputManagerInternal = 1951 LocalServices.getService(InputManagerInternal.class); 1952 if (inputManagerInternal != null) { 1953 inputManagerInternal.onInputMethodSubtypeChanged(userId, inputMethodInfo, subtype); 1954 } 1955 } 1956 1957 /* package */ void setInputMethodLocked(String id, int subtypeId) { 1958 InputMethodInfo info = mMethodMap.get(id); 1959 if (info == null) { 1960 throw new IllegalArgumentException("Unknown id: " + id); 1961 } 1962 1963 if (mCurClient != null && mCurAttribute != null) { 1964 // We have already made sure that the package name belongs to the application's UID. 1965 // No further UID check is required. 1966 if (SystemConfig.getInstance().getFixedImeApps().contains(mCurAttribute.packageName)) { 1967 return; 1968 } 1969 } 1970 1971 // See if we need to notify a subtype change within the same IME. 1972 if (id.equals(mCurMethodId)) { 1973 final int subtypeCount = info.getSubtypeCount(); 1974 if (subtypeCount <= 0) { 1975 return; 1976 } 1977 final InputMethodSubtype oldSubtype = mCurrentSubtype; 1978 final InputMethodSubtype newSubtype; 1979 if (subtypeId >= 0 && subtypeId < subtypeCount) { 1980 newSubtype = info.getSubtypeAt(subtypeId); 1981 } else { 1982 // If subtype is null, try to find the most applicable one from 1983 // getCurrentInputMethodSubtype. 1984 newSubtype = getCurrentInputMethodSubtypeLocked(); 1985 } 1986 if (newSubtype == null || oldSubtype == null) { 1987 Slog.w(TAG, "Illegal subtype state: old subtype = " + oldSubtype 1988 + ", new subtype = " + newSubtype); 1989 return; 1990 } 1991 if (newSubtype != oldSubtype) { 1992 setSelectedInputMethodAndSubtypeLocked(info, subtypeId, true); 1993 if (mCurMethod != null) { 1994 try { 1995 updateSystemUiLocked(mCurToken, mImeWindowVis, mBackDisposition); 1996 mCurMethod.changeInputMethodSubtype(newSubtype); 1997 } catch (RemoteException e) { 1998 Slog.w(TAG, "Failed to call changeInputMethodSubtype"); 1999 return; 2000 } 2001 } 2002 notifyInputMethodSubtypeChanged(mSettings.getCurrentUserId(), info, newSubtype); 2003 } 2004 return; 2005 } 2006 2007 // Changing to a different IME. 2008 final long ident = Binder.clearCallingIdentity(); 2009 try { 2010 // Set a subtype to this input method. 2011 // subtypeId the name of a subtype which will be set. 2012 setSelectedInputMethodAndSubtypeLocked(info, subtypeId, false); 2013 // mCurMethodId should be updated after setSelectedInputMethodAndSubtypeLocked() 2014 // because mCurMethodId is stored as a history in 2015 // setSelectedInputMethodAndSubtypeLocked(). 2016 mCurMethodId = id; 2017 2018 if (ActivityManagerNative.isSystemReady()) { 2019 Intent intent = new Intent(Intent.ACTION_INPUT_METHOD_CHANGED); 2020 intent.addFlags(Intent.FLAG_RECEIVER_REPLACE_PENDING); 2021 intent.putExtra("input_method_id", id); 2022 mContext.sendBroadcastAsUser(intent, UserHandle.CURRENT); 2023 } 2024 unbindCurrentClientLocked(InputMethodClient.UNBIND_REASON_SWITCH_IME); 2025 } finally { 2026 Binder.restoreCallingIdentity(ident); 2027 } 2028 2029 notifyInputMethodSubtypeChanged(mSettings.getCurrentUserId(), info, 2030 getCurrentInputMethodSubtypeLocked()); 2031 } 2032 2033 @Override 2034 public boolean showSoftInput(IInputMethodClient client, int flags, 2035 ResultReceiver resultReceiver) { 2036 if (!calledFromValidUser()) { 2037 return false; 2038 } 2039 int uid = Binder.getCallingUid(); 2040 long ident = Binder.clearCallingIdentity(); 2041 try { 2042 synchronized (mMethodMap) { 2043 if (mCurClient == null || client == null 2044 || mCurClient.client.asBinder() != client.asBinder()) { 2045 try { 2046 // We need to check if this is the current client with 2047 // focus in the window manager, to allow this call to 2048 // be made before input is started in it. 2049 if (!mIWindowManager.inputMethodClientHasFocus(client)) { 2050 Slog.w(TAG, "Ignoring showSoftInput of uid " + uid + ": " + client); 2051 return false; 2052 } 2053 } catch (RemoteException e) { 2054 return false; 2055 } 2056 } 2057 2058 if (DEBUG) Slog.v(TAG, "Client requesting input be shown"); 2059 return showCurrentInputLocked(flags, resultReceiver); 2060 } 2061 } finally { 2062 Binder.restoreCallingIdentity(ident); 2063 } 2064 } 2065 2066 boolean showCurrentInputLocked(int flags, ResultReceiver resultReceiver) { 2067 mShowRequested = true; 2068 if (mAccessibilityRequestingNoSoftKeyboard) { 2069 return false; 2070 } 2071 2072 if ((flags&InputMethodManager.SHOW_FORCED) != 0) { 2073 mShowExplicitlyRequested = true; 2074 mShowForced = true; 2075 } else if ((flags&InputMethodManager.SHOW_IMPLICIT) == 0) { 2076 mShowExplicitlyRequested = true; 2077 } 2078 2079 if (!mSystemReady) { 2080 return false; 2081 } 2082 2083 boolean res = false; 2084 if (mCurMethod != null) { 2085 if (DEBUG) Slog.d(TAG, "showCurrentInputLocked: mCurToken=" + mCurToken); 2086 executeOrSendMessage(mCurMethod, mCaller.obtainMessageIOO( 2087 MSG_SHOW_SOFT_INPUT, getImeShowFlags(), mCurMethod, 2088 resultReceiver)); 2089 mInputShown = true; 2090 if (mHaveConnection && !mVisibleBound) { 2091 bindCurrentInputMethodService( 2092 mCurIntent, mVisibleConnection, Context.BIND_AUTO_CREATE 2093 | Context.BIND_TREAT_LIKE_ACTIVITY 2094 | Context.BIND_FOREGROUND_SERVICE); 2095 mVisibleBound = true; 2096 } 2097 res = true; 2098 } else if (mHaveConnection && SystemClock.uptimeMillis() 2099 >= (mLastBindTime+TIME_TO_RECONNECT)) { 2100 // The client has asked to have the input method shown, but 2101 // we have been sitting here too long with a connection to the 2102 // service and no interface received, so let's disconnect/connect 2103 // to try to prod things along. 2104 EventLog.writeEvent(EventLogTags.IMF_FORCE_RECONNECT_IME, mCurMethodId, 2105 SystemClock.uptimeMillis()-mLastBindTime,1); 2106 Slog.w(TAG, "Force disconnect/connect to the IME in showCurrentInputLocked()"); 2107 mContext.unbindService(this); 2108 bindCurrentInputMethodService(mCurIntent, this, Context.BIND_AUTO_CREATE 2109 | Context.BIND_NOT_VISIBLE); 2110 } else { 2111 if (DEBUG) { 2112 Slog.d(TAG, "Can't show input: connection = " + mHaveConnection + ", time = " 2113 + ((mLastBindTime+TIME_TO_RECONNECT) - SystemClock.uptimeMillis())); 2114 } 2115 } 2116 2117 return res; 2118 } 2119 2120 @Override 2121 public boolean hideSoftInput(IInputMethodClient client, int flags, 2122 ResultReceiver resultReceiver) { 2123 if (!calledFromValidUser()) { 2124 return false; 2125 } 2126 int uid = Binder.getCallingUid(); 2127 long ident = Binder.clearCallingIdentity(); 2128 try { 2129 synchronized (mMethodMap) { 2130 if (mCurClient == null || client == null 2131 || mCurClient.client.asBinder() != client.asBinder()) { 2132 try { 2133 // We need to check if this is the current client with 2134 // focus in the window manager, to allow this call to 2135 // be made before input is started in it. 2136 if (!mIWindowManager.inputMethodClientHasFocus(client)) { 2137 if (DEBUG) Slog.w(TAG, "Ignoring hideSoftInput of uid " 2138 + uid + ": " + client); 2139 return false; 2140 } 2141 } catch (RemoteException e) { 2142 return false; 2143 } 2144 } 2145 2146 if (DEBUG) Slog.v(TAG, "Client requesting input be hidden"); 2147 return hideCurrentInputLocked(flags, resultReceiver); 2148 } 2149 } finally { 2150 Binder.restoreCallingIdentity(ident); 2151 } 2152 } 2153 2154 boolean hideCurrentInputLocked(int flags, ResultReceiver resultReceiver) { 2155 if ((flags&InputMethodManager.HIDE_IMPLICIT_ONLY) != 0 2156 && (mShowExplicitlyRequested || mShowForced)) { 2157 if (DEBUG) Slog.v(TAG, "Not hiding: explicit show not cancelled by non-explicit hide"); 2158 return false; 2159 } 2160 if (mShowForced && (flags&InputMethodManager.HIDE_NOT_ALWAYS) != 0) { 2161 if (DEBUG) Slog.v(TAG, "Not hiding: forced show not cancelled by not-always hide"); 2162 return false; 2163 } 2164 2165 // There is a chance that IMM#hideSoftInput() is called in a transient state where 2166 // IMMS#InputShown is already updated to be true whereas IMMS#mImeWindowVis is still waiting 2167 // to be updated with the new value sent from IME process. Even in such a transient state 2168 // historically we have accepted an incoming call of IMM#hideSoftInput() from the 2169 // application process as a valid request, and have even promised such a behavior with CTS 2170 // since Android Eclair. That's why we need to accept IMM#hideSoftInput() even when only 2171 // IMMS#InputShown indicates that the software keyboard is shown. 2172 // TODO: Clean up, IMMS#mInputShown, IMMS#mImeWindowVis and mShowRequested. 2173 final boolean shouldHideSoftInput = (mCurMethod != null) && (mInputShown || 2174 (mImeWindowVis & InputMethodService.IME_ACTIVE) != 0); 2175 boolean res; 2176 if (shouldHideSoftInput) { 2177 // The IME will report its visible state again after the following message finally 2178 // delivered to the IME process as an IPC. Hence the inconsistency between 2179 // IMMS#mInputShown and IMMS#mImeWindowVis should be resolved spontaneously in 2180 // the final state. 2181 executeOrSendMessage(mCurMethod, mCaller.obtainMessageOO( 2182 MSG_HIDE_SOFT_INPUT, mCurMethod, resultReceiver)); 2183 res = true; 2184 } else { 2185 res = false; 2186 } 2187 if (mHaveConnection && mVisibleBound) { 2188 mContext.unbindService(mVisibleConnection); 2189 mVisibleBound = false; 2190 } 2191 mInputShown = false; 2192 mShowRequested = false; 2193 mShowExplicitlyRequested = false; 2194 mShowForced = false; 2195 return res; 2196 } 2197 2198 @Override 2199 public InputBindResult startInputOrWindowGainedFocus( 2200 /* @InputMethodClient.StartInputReason */ final int startInputReason, 2201 IInputMethodClient client, IBinder windowToken, int controlFlags, int softInputMode, 2202 int windowFlags, EditorInfo attribute, IInputContext inputContext) { 2203 if (windowToken != null) { 2204 return windowGainedFocus(startInputReason, client, windowToken, controlFlags, 2205 softInputMode, windowFlags, attribute, inputContext); 2206 } else { 2207 return startInput(startInputReason, client, inputContext, attribute, controlFlags); 2208 } 2209 } 2210 2211 private InputBindResult windowGainedFocus( 2212 /* @InputMethodClient.StartInputReason */ final int startInputReason, 2213 IInputMethodClient client, IBinder windowToken, int controlFlags, int softInputMode, 2214 int windowFlags, EditorInfo attribute, IInputContext inputContext) { 2215 // Needs to check the validity before clearing calling identity 2216 final boolean calledFromValidUser = calledFromValidUser(); 2217 InputBindResult res = null; 2218 long ident = Binder.clearCallingIdentity(); 2219 try { 2220 synchronized (mMethodMap) { 2221 if (DEBUG) Slog.v(TAG, "windowGainedFocus: reason=" 2222 + InputMethodClient.getStartInputReason(startInputReason) 2223 + " client=" + client.asBinder() 2224 + " inputContext=" + inputContext 2225 + " attribute=" + attribute 2226 + " controlFlags=#" + Integer.toHexString(controlFlags) 2227 + " softInputMode=#" + Integer.toHexString(softInputMode) 2228 + " windowFlags=#" + Integer.toHexString(windowFlags)); 2229 2230 ClientState cs = mClients.get(client.asBinder()); 2231 if (cs == null) { 2232 throw new IllegalArgumentException("unknown client " 2233 + client.asBinder()); 2234 } 2235 2236 try { 2237 if (!mIWindowManager.inputMethodClientHasFocus(cs.client)) { 2238 // Check with the window manager to make sure this client actually 2239 // has a window with focus. If not, reject. This is thread safe 2240 // because if the focus changes some time before or after, the 2241 // next client receiving focus that has any interest in input will 2242 // be calling through here after that change happens. 2243 Slog.w(TAG, "Focus gain on non-focused client " + cs.client 2244 + " (uid=" + cs.uid + " pid=" + cs.pid + ")"); 2245 return null; 2246 } 2247 } catch (RemoteException e) { 2248 } 2249 2250 if (!calledFromValidUser) { 2251 Slog.w(TAG, "A background user is requesting window. Hiding IME."); 2252 Slog.w(TAG, "If you want to interect with IME, you need " 2253 + "android.permission.INTERACT_ACROSS_USERS_FULL"); 2254 hideCurrentInputLocked(0, null); 2255 return null; 2256 } 2257 2258 if (mCurFocusedWindow == windowToken) { 2259 Slog.w(TAG, "Window already focused, ignoring focus gain of: " + client 2260 + " attribute=" + attribute + ", token = " + windowToken); 2261 if (attribute != null) { 2262 return startInputUncheckedLocked(cs, inputContext, attribute, 2263 controlFlags); 2264 } 2265 return null; 2266 } 2267 mCurFocusedWindow = windowToken; 2268 mCurFocusedWindowClient = cs; 2269 2270 // Should we auto-show the IME even if the caller has not 2271 // specified what should be done with it? 2272 // We only do this automatically if the window can resize 2273 // to accommodate the IME (so what the user sees will give 2274 // them good context without input information being obscured 2275 // by the IME) or if running on a large screen where there 2276 // is more room for the target window + IME. 2277 final boolean doAutoShow = 2278 (softInputMode & WindowManager.LayoutParams.SOFT_INPUT_MASK_ADJUST) 2279 == WindowManager.LayoutParams.SOFT_INPUT_ADJUST_RESIZE 2280 || mRes.getConfiguration().isLayoutSizeAtLeast( 2281 Configuration.SCREENLAYOUT_SIZE_LARGE); 2282 final boolean isTextEditor = 2283 (controlFlags&InputMethodManager.CONTROL_WINDOW_IS_TEXT_EDITOR) != 0; 2284 2285 // We want to start input before showing the IME, but after closing 2286 // it. We want to do this after closing it to help the IME disappear 2287 // more quickly (not get stuck behind it initializing itself for the 2288 // new focused input, even if its window wants to hide the IME). 2289 boolean didStart = false; 2290 2291 switch (softInputMode&WindowManager.LayoutParams.SOFT_INPUT_MASK_STATE) { 2292 case WindowManager.LayoutParams.SOFT_INPUT_STATE_UNSPECIFIED: 2293 if (!isTextEditor || !doAutoShow) { 2294 if (WindowManager.LayoutParams.mayUseInputMethod(windowFlags)) { 2295 // There is no focus view, and this window will 2296 // be behind any soft input window, so hide the 2297 // soft input window if it is shown. 2298 if (DEBUG) Slog.v(TAG, "Unspecified window will hide input"); 2299 hideCurrentInputLocked(InputMethodManager.HIDE_NOT_ALWAYS, null); 2300 } 2301 } else if (isTextEditor && doAutoShow && (softInputMode & 2302 WindowManager.LayoutParams.SOFT_INPUT_IS_FORWARD_NAVIGATION) != 0) { 2303 // There is a focus view, and we are navigating forward 2304 // into the window, so show the input window for the user. 2305 // We only do this automatically if the window can resize 2306 // to accommodate the IME (so what the user sees will give 2307 // them good context without input information being obscured 2308 // by the IME) or if running on a large screen where there 2309 // is more room for the target window + IME. 2310 if (DEBUG) Slog.v(TAG, "Unspecified window will show input"); 2311 if (attribute != null) { 2312 res = startInputUncheckedLocked(cs, inputContext, attribute, 2313 controlFlags); 2314 didStart = true; 2315 } 2316 showCurrentInputLocked(InputMethodManager.SHOW_IMPLICIT, null); 2317 } 2318 break; 2319 case WindowManager.LayoutParams.SOFT_INPUT_STATE_UNCHANGED: 2320 // Do nothing. 2321 break; 2322 case WindowManager.LayoutParams.SOFT_INPUT_STATE_HIDDEN: 2323 if ((softInputMode & 2324 WindowManager.LayoutParams.SOFT_INPUT_IS_FORWARD_NAVIGATION) != 0) { 2325 if (DEBUG) Slog.v(TAG, "Window asks to hide input going forward"); 2326 hideCurrentInputLocked(0, null); 2327 } 2328 break; 2329 case WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_HIDDEN: 2330 if (DEBUG) Slog.v(TAG, "Window asks to hide input"); 2331 hideCurrentInputLocked(0, null); 2332 break; 2333 case WindowManager.LayoutParams.SOFT_INPUT_STATE_VISIBLE: 2334 if ((softInputMode & 2335 WindowManager.LayoutParams.SOFT_INPUT_IS_FORWARD_NAVIGATION) != 0) { 2336 if (DEBUG) Slog.v(TAG, "Window asks to show input going forward"); 2337 if (attribute != null) { 2338 res = startInputUncheckedLocked(cs, inputContext, attribute, 2339 controlFlags); 2340 didStart = true; 2341 } 2342 showCurrentInputLocked(InputMethodManager.SHOW_IMPLICIT, null); 2343 } 2344 break; 2345 case WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_VISIBLE: 2346 if (DEBUG) Slog.v(TAG, "Window asks to always show input"); 2347 if (attribute != null) { 2348 res = startInputUncheckedLocked(cs, inputContext, attribute, 2349 controlFlags); 2350 didStart = true; 2351 } 2352 showCurrentInputLocked(InputMethodManager.SHOW_IMPLICIT, null); 2353 break; 2354 } 2355 2356 if (!didStart && attribute != null) { 2357 res = startInputUncheckedLocked(cs, inputContext, attribute, 2358 controlFlags); 2359 } 2360 } 2361 } finally { 2362 Binder.restoreCallingIdentity(ident); 2363 } 2364 2365 return res; 2366 } 2367 2368 @Override 2369 public void showInputMethodPickerFromClient( 2370 IInputMethodClient client, int auxiliarySubtypeMode) { 2371 if (!calledFromValidUser()) { 2372 return; 2373 } 2374 synchronized (mMethodMap) { 2375 if (mCurClient == null || client == null 2376 || mCurClient.client.asBinder() != client.asBinder()) { 2377 Slog.w(TAG, "Ignoring showInputMethodPickerFromClient of uid " 2378 + Binder.getCallingUid() + ": " + client); 2379 } 2380 2381 // Always call subtype picker, because subtype picker is a superset of input method 2382 // picker. 2383 mHandler.sendMessage(mCaller.obtainMessageI( 2384 MSG_SHOW_IM_SUBTYPE_PICKER, auxiliarySubtypeMode)); 2385 } 2386 } 2387 2388 @Override 2389 public void setInputMethod(IBinder token, String id) { 2390 if (!calledFromValidUser()) { 2391 return; 2392 } 2393 setInputMethodWithSubtypeId(token, id, NOT_A_SUBTYPE_ID); 2394 } 2395 2396 @Override 2397 public void setInputMethodAndSubtype(IBinder token, String id, InputMethodSubtype subtype) { 2398 if (!calledFromValidUser()) { 2399 return; 2400 } 2401 synchronized (mMethodMap) { 2402 if (subtype != null) { 2403 setInputMethodWithSubtypeIdLocked(token, id, 2404 InputMethodUtils.getSubtypeIdFromHashCode(mMethodMap.get(id), 2405 subtype.hashCode())); 2406 } else { 2407 setInputMethod(token, id); 2408 } 2409 } 2410 } 2411 2412 @Override 2413 public void showInputMethodAndSubtypeEnablerFromClient( 2414 IInputMethodClient client, String inputMethodId) { 2415 if (!calledFromValidUser()) { 2416 return; 2417 } 2418 synchronized (mMethodMap) { 2419 executeOrSendMessage(mCurMethod, mCaller.obtainMessageO( 2420 MSG_SHOW_IM_SUBTYPE_ENABLER, inputMethodId)); 2421 } 2422 } 2423 2424 @Override 2425 public boolean switchToLastInputMethod(IBinder token) { 2426 if (!calledFromValidUser()) { 2427 return false; 2428 } 2429 synchronized (mMethodMap) { 2430 final Pair<String, String> lastIme = mSettings.getLastInputMethodAndSubtypeLocked(); 2431 final InputMethodInfo lastImi; 2432 if (lastIme != null) { 2433 lastImi = mMethodMap.get(lastIme.first); 2434 } else { 2435 lastImi = null; 2436 } 2437 String targetLastImiId = null; 2438 int subtypeId = NOT_A_SUBTYPE_ID; 2439 if (lastIme != null && lastImi != null) { 2440 final boolean imiIdIsSame = lastImi.getId().equals(mCurMethodId); 2441 final int lastSubtypeHash = Integer.valueOf(lastIme.second); 2442 final int currentSubtypeHash = mCurrentSubtype == null ? NOT_A_SUBTYPE_ID 2443 : mCurrentSubtype.hashCode(); 2444 // If the last IME is the same as the current IME and the last subtype is not 2445 // defined, there is no need to switch to the last IME. 2446 if (!imiIdIsSame || lastSubtypeHash != currentSubtypeHash) { 2447 targetLastImiId = lastIme.first; 2448 subtypeId = InputMethodUtils.getSubtypeIdFromHashCode(lastImi, lastSubtypeHash); 2449 } 2450 } 2451 2452 if (TextUtils.isEmpty(targetLastImiId) 2453 && !InputMethodUtils.canAddToLastInputMethod(mCurrentSubtype)) { 2454 // This is a safety net. If the currentSubtype can't be added to the history 2455 // and the framework couldn't find the last ime, we will make the last ime be 2456 // the most applicable enabled keyboard subtype of the system imes. 2457 final List<InputMethodInfo> enabled = mSettings.getEnabledInputMethodListLocked(); 2458 if (enabled != null) { 2459 final int N = enabled.size(); 2460 final String locale = mCurrentSubtype == null 2461 ? mRes.getConfiguration().locale.toString() 2462 : mCurrentSubtype.getLocale(); 2463 for (int i = 0; i < N; ++i) { 2464 final InputMethodInfo imi = enabled.get(i); 2465 if (imi.getSubtypeCount() > 0 && InputMethodUtils.isSystemIme(imi)) { 2466 InputMethodSubtype keyboardSubtype = 2467 InputMethodUtils.findLastResortApplicableSubtypeLocked(mRes, 2468 InputMethodUtils.getSubtypes(imi), 2469 InputMethodUtils.SUBTYPE_MODE_KEYBOARD, locale, true); 2470 if (keyboardSubtype != null) { 2471 targetLastImiId = imi.getId(); 2472 subtypeId = InputMethodUtils.getSubtypeIdFromHashCode( 2473 imi, keyboardSubtype.hashCode()); 2474 if(keyboardSubtype.getLocale().equals(locale)) { 2475 break; 2476 } 2477 } 2478 } 2479 } 2480 } 2481 } 2482 2483 if (!TextUtils.isEmpty(targetLastImiId)) { 2484 if (DEBUG) { 2485 Slog.d(TAG, "Switch to: " + lastImi.getId() + ", " + lastIme.second 2486 + ", from: " + mCurMethodId + ", " + subtypeId); 2487 } 2488 setInputMethodWithSubtypeIdLocked(token, targetLastImiId, subtypeId); 2489 return true; 2490 } else { 2491 return false; 2492 } 2493 } 2494 } 2495 2496 @Override 2497 public boolean switchToNextInputMethod(IBinder token, boolean onlyCurrentIme) { 2498 if (!calledFromValidUser()) { 2499 return false; 2500 } 2501 synchronized (mMethodMap) { 2502 if (!calledWithValidToken(token)) { 2503 final int uid = Binder.getCallingUid(); 2504 Slog.e(TAG, "Ignoring switchToNextInputMethod due to an invalid token. uid:" + uid 2505 + " token:" + token); 2506 return false; 2507 } 2508 final ImeSubtypeListItem nextSubtype = mSwitchingController.getNextInputMethodLocked( 2509 onlyCurrentIme, mMethodMap.get(mCurMethodId), mCurrentSubtype); 2510 if (nextSubtype == null) { 2511 return false; 2512 } 2513 setInputMethodWithSubtypeIdLocked(token, nextSubtype.mImi.getId(), 2514 nextSubtype.mSubtypeId); 2515 return true; 2516 } 2517 } 2518 2519 @Override 2520 public boolean shouldOfferSwitchingToNextInputMethod(IBinder token) { 2521 if (!calledFromValidUser()) { 2522 return false; 2523 } 2524 synchronized (mMethodMap) { 2525 if (!calledWithValidToken(token)) { 2526 final int uid = Binder.getCallingUid(); 2527 Slog.e(TAG, "Ignoring shouldOfferSwitchingToNextInputMethod due to an invalid " 2528 + "token. uid:" + uid + " token:" + token); 2529 return false; 2530 } 2531 final ImeSubtypeListItem nextSubtype = mSwitchingController.getNextInputMethodLocked( 2532 false /* onlyCurrentIme */, mMethodMap.get(mCurMethodId), mCurrentSubtype); 2533 if (nextSubtype == null) { 2534 return false; 2535 } 2536 return true; 2537 } 2538 } 2539 2540 @Override 2541 public InputMethodSubtype getLastInputMethodSubtype() { 2542 if (!calledFromValidUser()) { 2543 return null; 2544 } 2545 synchronized (mMethodMap) { 2546 final Pair<String, String> lastIme = mSettings.getLastInputMethodAndSubtypeLocked(); 2547 // TODO: Handle the case of the last IME with no subtypes 2548 if (lastIme == null || TextUtils.isEmpty(lastIme.first) 2549 || TextUtils.isEmpty(lastIme.second)) return null; 2550 final InputMethodInfo lastImi = mMethodMap.get(lastIme.first); 2551 if (lastImi == null) return null; 2552 try { 2553 final int lastSubtypeHash = Integer.valueOf(lastIme.second); 2554 final int lastSubtypeId = 2555 InputMethodUtils.getSubtypeIdFromHashCode(lastImi, lastSubtypeHash); 2556 if (lastSubtypeId < 0 || lastSubtypeId >= lastImi.getSubtypeCount()) { 2557 return null; 2558 } 2559 return lastImi.getSubtypeAt(lastSubtypeId); 2560 } catch (NumberFormatException e) { 2561 return null; 2562 } 2563 } 2564 } 2565 2566 @Override 2567 public void setAdditionalInputMethodSubtypes(String imiId, InputMethodSubtype[] subtypes) { 2568 if (!calledFromValidUser()) { 2569 return; 2570 } 2571 // By this IPC call, only a process which shares the same uid with the IME can add 2572 // additional input method subtypes to the IME. 2573 if (TextUtils.isEmpty(imiId) || subtypes == null) return; 2574 synchronized (mMethodMap) { 2575 final InputMethodInfo imi = mMethodMap.get(imiId); 2576 if (imi == null) return; 2577 final String[] packageInfos; 2578 try { 2579 packageInfos = mIPackageManager.getPackagesForUid(Binder.getCallingUid()); 2580 } catch (RemoteException e) { 2581 Slog.e(TAG, "Failed to get package infos"); 2582 return; 2583 } 2584 if (packageInfos != null) { 2585 final int packageNum = packageInfos.length; 2586 for (int i = 0; i < packageNum; ++i) { 2587 if (packageInfos[i].equals(imi.getPackageName())) { 2588 mFileManager.addInputMethodSubtypes(imi, subtypes); 2589 final long ident = Binder.clearCallingIdentity(); 2590 try { 2591 buildInputMethodListLocked(false /* resetDefaultEnabledIme */); 2592 } finally { 2593 Binder.restoreCallingIdentity(ident); 2594 } 2595 return; 2596 } 2597 } 2598 } 2599 } 2600 return; 2601 } 2602 2603 @Override 2604 public int getInputMethodWindowVisibleHeight() { 2605 return mWindowManagerInternal.getInputMethodWindowVisibleHeight(); 2606 } 2607 2608 @Override 2609 public void notifyUserAction(int sequenceNumber) { 2610 if (DEBUG) { 2611 Slog.d(TAG, "Got the notification of a user action. sequenceNumber:" + sequenceNumber); 2612 } 2613 synchronized (mMethodMap) { 2614 if (mCurUserActionNotificationSequenceNumber != sequenceNumber) { 2615 if (DEBUG) { 2616 Slog.d(TAG, "Ignoring the user action notification due to the sequence number " 2617 + "mismatch. expected:" + mCurUserActionNotificationSequenceNumber 2618 + " actual: " + sequenceNumber); 2619 } 2620 return; 2621 } 2622 final InputMethodInfo imi = mMethodMap.get(mCurMethodId); 2623 if (imi != null) { 2624 mSwitchingController.onUserActionLocked(imi, mCurrentSubtype); 2625 } 2626 } 2627 } 2628 2629 private void setInputMethodWithSubtypeId(IBinder token, String id, int subtypeId) { 2630 synchronized (mMethodMap) { 2631 setInputMethodWithSubtypeIdLocked(token, id, subtypeId); 2632 } 2633 } 2634 2635 private void setInputMethodWithSubtypeIdLocked(IBinder token, String id, int subtypeId) { 2636 if (token == null) { 2637 if (mContext.checkCallingOrSelfPermission( 2638 android.Manifest.permission.WRITE_SECURE_SETTINGS) 2639 != PackageManager.PERMISSION_GRANTED) { 2640 throw new SecurityException( 2641 "Using null token requires permission " 2642 + android.Manifest.permission.WRITE_SECURE_SETTINGS); 2643 } 2644 } else if (mCurToken != token) { 2645 Slog.w(TAG, "Ignoring setInputMethod of uid " + Binder.getCallingUid() 2646 + " token: " + token); 2647 return; 2648 } 2649 2650 final long ident = Binder.clearCallingIdentity(); 2651 try { 2652 setInputMethodLocked(id, subtypeId); 2653 } finally { 2654 Binder.restoreCallingIdentity(ident); 2655 } 2656 } 2657 2658 @Override 2659 public void hideMySoftInput(IBinder token, int flags) { 2660 if (!calledFromValidUser()) { 2661 return; 2662 } 2663 synchronized (mMethodMap) { 2664 if (!calledWithValidToken(token)) { 2665 final int uid = Binder.getCallingUid(); 2666 Slog.e(TAG, "Ignoring hideInputMethod due to an invalid token. uid:" 2667 + uid + " token:" + token); 2668 return; 2669 } 2670 long ident = Binder.clearCallingIdentity(); 2671 try { 2672 hideCurrentInputLocked(flags, null); 2673 } finally { 2674 Binder.restoreCallingIdentity(ident); 2675 } 2676 } 2677 } 2678 2679 @Override 2680 public void showMySoftInput(IBinder token, int flags) { 2681 if (!calledFromValidUser()) { 2682 return; 2683 } 2684 synchronized (mMethodMap) { 2685 if (!calledWithValidToken(token)) { 2686 final int uid = Binder.getCallingUid(); 2687 Slog.e(TAG, "Ignoring showMySoftInput due to an invalid token. uid:" 2688 + uid + " token:" + token); 2689 return; 2690 } 2691 long ident = Binder.clearCallingIdentity(); 2692 try { 2693 showCurrentInputLocked(flags, null); 2694 } finally { 2695 Binder.restoreCallingIdentity(ident); 2696 } 2697 } 2698 } 2699 2700 void setEnabledSessionInMainThread(SessionState session) { 2701 if (mEnabledSession != session) { 2702 if (mEnabledSession != null && mEnabledSession.session != null) { 2703 try { 2704 if (DEBUG) Slog.v(TAG, "Disabling: " + mEnabledSession); 2705 mEnabledSession.method.setSessionEnabled(mEnabledSession.session, false); 2706 } catch (RemoteException e) { 2707 } 2708 } 2709 mEnabledSession = session; 2710 if (mEnabledSession != null && mEnabledSession.session != null) { 2711 try { 2712 if (DEBUG) Slog.v(TAG, "Enabling: " + mEnabledSession); 2713 mEnabledSession.method.setSessionEnabled(mEnabledSession.session, true); 2714 } catch (RemoteException e) { 2715 } 2716 } 2717 } 2718 } 2719 2720 @Override 2721 public boolean handleMessage(Message msg) { 2722 SomeArgs args; 2723 switch (msg.what) { 2724 case MSG_SHOW_IM_SUBTYPE_PICKER: 2725 final boolean showAuxSubtypes; 2726 switch (msg.arg1) { 2727 case InputMethodManager.SHOW_IM_PICKER_MODE_AUTO: 2728 // This is undocumented so far, but IMM#showInputMethodPicker() has been 2729 // implemented so that auxiliary subtypes will be excluded when the soft 2730 // keyboard is invisible. 2731 showAuxSubtypes = mInputShown; 2732 break; 2733 case InputMethodManager.SHOW_IM_PICKER_MODE_INCLUDE_AUXILIARY_SUBTYPES: 2734 showAuxSubtypes = true; 2735 break; 2736 case InputMethodManager.SHOW_IM_PICKER_MODE_EXCLUDE_AUXILIARY_SUBTYPES: 2737 showAuxSubtypes = false; 2738 break; 2739 default: 2740 Slog.e(TAG, "Unknown subtype picker mode = " + msg.arg1); 2741 return false; 2742 } 2743 showInputMethodMenu(showAuxSubtypes); 2744 return true; 2745 2746 case MSG_SHOW_IM_SUBTYPE_ENABLER: 2747 showInputMethodAndSubtypeEnabler((String)msg.obj); 2748 return true; 2749 2750 case MSG_SHOW_IM_CONFIG: 2751 showConfigureInputMethods(); 2752 return true; 2753 2754 // --------------------------------------------------------- 2755 2756 case MSG_UNBIND_INPUT: 2757 try { 2758 ((IInputMethod)msg.obj).unbindInput(); 2759 } catch (RemoteException e) { 2760 // There is nothing interesting about the method dying. 2761 } 2762 return true; 2763 case MSG_BIND_INPUT: 2764 args = (SomeArgs)msg.obj; 2765 try { 2766 ((IInputMethod)args.arg1).bindInput((InputBinding)args.arg2); 2767 } catch (RemoteException e) { 2768 } 2769 args.recycle(); 2770 return true; 2771 case MSG_SHOW_SOFT_INPUT: 2772 args = (SomeArgs)msg.obj; 2773 try { 2774 if (DEBUG) Slog.v(TAG, "Calling " + args.arg1 + ".showSoftInput(" 2775 + msg.arg1 + ", " + args.arg2 + ")"); 2776 ((IInputMethod)args.arg1).showSoftInput(msg.arg1, (ResultReceiver)args.arg2); 2777 } catch (RemoteException e) { 2778 } 2779 args.recycle(); 2780 return true; 2781 case MSG_HIDE_SOFT_INPUT: 2782 args = (SomeArgs)msg.obj; 2783 try { 2784 if (DEBUG) Slog.v(TAG, "Calling " + args.arg1 + ".hideSoftInput(0, " 2785 + args.arg2 + ")"); 2786 ((IInputMethod)args.arg1).hideSoftInput(0, (ResultReceiver)args.arg2); 2787 } catch (RemoteException e) { 2788 } 2789 args.recycle(); 2790 return true; 2791 case MSG_ATTACH_TOKEN: 2792 args = (SomeArgs)msg.obj; 2793 try { 2794 if (DEBUG) Slog.v(TAG, "Sending attach of token: " + args.arg2); 2795 ((IInputMethod)args.arg1).attachToken((IBinder)args.arg2); 2796 } catch (RemoteException e) { 2797 } 2798 args.recycle(); 2799 return true; 2800 case MSG_CREATE_SESSION: { 2801 args = (SomeArgs)msg.obj; 2802 IInputMethod method = (IInputMethod)args.arg1; 2803 InputChannel channel = (InputChannel)args.arg2; 2804 try { 2805 method.createSession(channel, (IInputSessionCallback)args.arg3); 2806 } catch (RemoteException e) { 2807 } finally { 2808 // Dispose the channel if the input method is not local to this process 2809 // because the remote proxy will get its own copy when unparceled. 2810 if (channel != null && Binder.isProxy(method)) { 2811 channel.dispose(); 2812 } 2813 } 2814 args.recycle(); 2815 return true; 2816 } 2817 // --------------------------------------------------------- 2818 2819 case MSG_START_INPUT: 2820 args = (SomeArgs)msg.obj; 2821 try { 2822 SessionState session = (SessionState)args.arg1; 2823 setEnabledSessionInMainThread(session); 2824 session.method.startInput((IInputContext)args.arg2, 2825 (EditorInfo)args.arg3); 2826 } catch (RemoteException e) { 2827 } 2828 args.recycle(); 2829 return true; 2830 case MSG_RESTART_INPUT: 2831 args = (SomeArgs)msg.obj; 2832 try { 2833 SessionState session = (SessionState)args.arg1; 2834 setEnabledSessionInMainThread(session); 2835 session.method.restartInput((IInputContext)args.arg2, 2836 (EditorInfo)args.arg3); 2837 } catch (RemoteException e) { 2838 } 2839 args.recycle(); 2840 return true; 2841 2842 // --------------------------------------------------------- 2843 2844 case MSG_UNBIND_CLIENT: 2845 try { 2846 ((IInputMethodClient)msg.obj).onUnbindMethod(msg.arg1, msg.arg2); 2847 } catch (RemoteException e) { 2848 // There is nothing interesting about the last client dying. 2849 } 2850 return true; 2851 case MSG_BIND_CLIENT: { 2852 args = (SomeArgs)msg.obj; 2853 IInputMethodClient client = (IInputMethodClient)args.arg1; 2854 InputBindResult res = (InputBindResult)args.arg2; 2855 try { 2856 client.onBindMethod(res); 2857 } catch (RemoteException e) { 2858 Slog.w(TAG, "Client died receiving input method " + args.arg2); 2859 } finally { 2860 // Dispose the channel if the input method is not local to this process 2861 // because the remote proxy will get its own copy when unparceled. 2862 if (res.channel != null && Binder.isProxy(client)) { 2863 res.channel.dispose(); 2864 } 2865 } 2866 args.recycle(); 2867 return true; 2868 } 2869 case MSG_SET_ACTIVE: 2870 try { 2871 ((ClientState)msg.obj).client.setActive(msg.arg1 != 0); 2872 } catch (RemoteException e) { 2873 Slog.w(TAG, "Got RemoteException sending setActive(false) notification to pid " 2874 + ((ClientState)msg.obj).pid + " uid " 2875 + ((ClientState)msg.obj).uid); 2876 } 2877 return true; 2878 case MSG_SET_INTERACTIVE: 2879 handleSetInteractive(msg.arg1 != 0); 2880 return true; 2881 case MSG_SWITCH_IME: 2882 handleSwitchInputMethod(msg.arg1 != 0); 2883 return true; 2884 case MSG_SET_USER_ACTION_NOTIFICATION_SEQUENCE_NUMBER: { 2885 final int sequenceNumber = msg.arg1; 2886 final ClientState clientState = (ClientState)msg.obj; 2887 try { 2888 clientState.client.setUserActionNotificationSequenceNumber(sequenceNumber); 2889 } catch (RemoteException e) { 2890 Slog.w(TAG, "Got RemoteException sending " 2891 + "setUserActionNotificationSequenceNumber(" 2892 + sequenceNumber + ") notification to pid " 2893 + clientState.pid + " uid " 2894 + clientState.uid); 2895 } 2896 return true; 2897 } 2898 2899 // -------------------------------------------------------------- 2900 case MSG_HARD_KEYBOARD_SWITCH_CHANGED: 2901 mHardKeyboardListener.handleHardKeyboardStatusChange(msg.arg1 == 1); 2902 return true; 2903 } 2904 return false; 2905 } 2906 2907 private void handleSetInteractive(final boolean interactive) { 2908 synchronized (mMethodMap) { 2909 mIsInteractive = interactive; 2910 updateSystemUiLocked(mCurToken, interactive ? mImeWindowVis : 0, mBackDisposition); 2911 2912 // Inform the current client of the change in active status 2913 if (mCurClient != null && mCurClient.client != null) { 2914 executeOrSendMessage(mCurClient.client, mCaller.obtainMessageIO( 2915 MSG_SET_ACTIVE, mIsInteractive ? 1 : 0, mCurClient)); 2916 } 2917 } 2918 } 2919 2920 private void handleSwitchInputMethod(final boolean forwardDirection) { 2921 synchronized (mMethodMap) { 2922 // TODO: Support forwardDirection. 2923 final ImeSubtypeListItem nextSubtype = mSwitchingController.getNextInputMethodLocked( 2924 false, mMethodMap.get(mCurMethodId), mCurrentSubtype); 2925 if (nextSubtype == null) { 2926 return; 2927 } 2928 setInputMethodLocked(nextSubtype.mImi.getId(), nextSubtype.mSubtypeId); 2929 } 2930 } 2931 2932 private boolean chooseNewDefaultIMELocked() { 2933 final InputMethodInfo imi = InputMethodUtils.getMostApplicableDefaultIME( 2934 mSettings.getEnabledInputMethodListLocked()); 2935 if (imi != null) { 2936 if (DEBUG) { 2937 Slog.d(TAG, "New default IME was selected: " + imi.getId()); 2938 } 2939 resetSelectedInputMethodAndSubtypeLocked(imi.getId()); 2940 return true; 2941 } 2942 2943 return false; 2944 } 2945 2946 void buildInputMethodListLocked(boolean resetDefaultEnabledIme) { 2947 if (DEBUG) { 2948 Slog.d(TAG, "--- re-buildInputMethodList reset = " + resetDefaultEnabledIme 2949 + " \n ------ caller=" + Debug.getCallers(10)); 2950 } 2951 mMethodList.clear(); 2952 mMethodMap.clear(); 2953 2954 // Use for queryIntentServicesAsUser 2955 final PackageManager pm = mContext.getPackageManager(); 2956 2957 // Note: We do not specify PackageManager.MATCH_ENCRYPTION_* flags here because the default 2958 // behavior of PackageManager is exactly what we want. It by default picks up appropriate 2959 // services depending on the unlock state for the specified user. 2960 final List<ResolveInfo> services = pm.queryIntentServicesAsUser( 2961 new Intent(InputMethod.SERVICE_INTERFACE), 2962 PackageManager.GET_META_DATA | PackageManager.GET_DISABLED_UNTIL_USED_COMPONENTS, 2963 mSettings.getCurrentUserId()); 2964 2965 final HashMap<String, List<InputMethodSubtype>> additionalSubtypes = 2966 mFileManager.getAllAdditionalInputMethodSubtypes(); 2967 for (int i = 0; i < services.size(); ++i) { 2968 ResolveInfo ri = services.get(i); 2969 ServiceInfo si = ri.serviceInfo; 2970 ComponentName compName = new ComponentName(si.packageName, si.name); 2971 if (!android.Manifest.permission.BIND_INPUT_METHOD.equals( 2972 si.permission)) { 2973 Slog.w(TAG, "Skipping input method " + compName 2974 + ": it does not require the permission " 2975 + android.Manifest.permission.BIND_INPUT_METHOD); 2976 continue; 2977 } 2978 2979 if (DEBUG) Slog.d(TAG, "Checking " + compName); 2980 2981 try { 2982 InputMethodInfo p = new InputMethodInfo(mContext, ri, additionalSubtypes); 2983 mMethodList.add(p); 2984 final String id = p.getId(); 2985 mMethodMap.put(id, p); 2986 2987 if (DEBUG) { 2988 Slog.d(TAG, "Found an input method " + p); 2989 } 2990 } catch (XmlPullParserException | IOException e) { 2991 Slog.w(TAG, "Unable to load input method " + compName, e); 2992 } 2993 } 2994 2995 // TODO: The following code should find better place to live. 2996 if (!resetDefaultEnabledIme) { 2997 boolean enabledImeFound = false; 2998 final List<InputMethodInfo> enabledImes = mSettings.getEnabledInputMethodListLocked(); 2999 final int N = enabledImes.size(); 3000 for (int i = 0; i < N; ++i) { 3001 final InputMethodInfo imi = enabledImes.get(i); 3002 if (mMethodList.contains(imi)) { 3003 enabledImeFound = true; 3004 break; 3005 } 3006 } 3007 if (!enabledImeFound) { 3008 Slog.i(TAG, "All the enabled IMEs are gone. Reset default enabled IMEs."); 3009 resetDefaultEnabledIme = true; 3010 resetSelectedInputMethodAndSubtypeLocked(""); 3011 } 3012 } 3013 3014 if (resetDefaultEnabledIme) { 3015 final ArrayList<InputMethodInfo> defaultEnabledIme = 3016 InputMethodUtils.getDefaultEnabledImes(mContext, mSystemReady, mMethodList); 3017 final int N = defaultEnabledIme.size(); 3018 for (int i = 0; i < N; ++i) { 3019 final InputMethodInfo imi = defaultEnabledIme.get(i); 3020 if (DEBUG) { 3021 Slog.d(TAG, "--- enable ime = " + imi); 3022 } 3023 setInputMethodEnabledLocked(imi.getId(), true); 3024 } 3025 } 3026 3027 final String defaultImiId = mSettings.getSelectedInputMethod(); 3028 if (!TextUtils.isEmpty(defaultImiId)) { 3029 if (!mMethodMap.containsKey(defaultImiId)) { 3030 Slog.w(TAG, "Default IME is uninstalled. Choose new default IME."); 3031 if (chooseNewDefaultIMELocked()) { 3032 updateInputMethodsFromSettingsLocked(true); 3033 } 3034 } else { 3035 // Double check that the default IME is certainly enabled. 3036 setInputMethodEnabledLocked(defaultImiId, true); 3037 } 3038 } 3039 // Here is not the perfect place to reset the switching controller. Ideally 3040 // mSwitchingController and mSettings should be able to share the same state. 3041 // TODO: Make sure that mSwitchingController and mSettings are sharing the 3042 // the same enabled IMEs list. 3043 mSwitchingController.resetCircularListLocked(mContext); 3044 } 3045 3046 // ---------------------------------------------------------------------- 3047 3048 private void showInputMethodAndSubtypeEnabler(String inputMethodId) { 3049 Intent intent = new Intent(Settings.ACTION_INPUT_METHOD_SUBTYPE_SETTINGS); 3050 intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK 3051 | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED 3052 | Intent.FLAG_ACTIVITY_CLEAR_TOP); 3053 if (!TextUtils.isEmpty(inputMethodId)) { 3054 intent.putExtra(Settings.EXTRA_INPUT_METHOD_ID, inputMethodId); 3055 } 3056 final int userId; 3057 synchronized (mMethodMap) { 3058 userId = mSettings.getCurrentUserId(); 3059 } 3060 mContext.startActivityAsUser(intent, null, UserHandle.of(userId)); 3061 } 3062 3063 private void showConfigureInputMethods() { 3064 Intent intent = new Intent(Settings.ACTION_INPUT_METHOD_SETTINGS); 3065 intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK 3066 | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED 3067 | Intent.FLAG_ACTIVITY_CLEAR_TOP); 3068 mContext.startActivityAsUser(intent, null, UserHandle.CURRENT); 3069 } 3070 3071 private boolean isScreenLocked() { 3072 return mKeyguardManager != null 3073 && mKeyguardManager.isKeyguardLocked() && mKeyguardManager.isKeyguardSecure(); 3074 } 3075 3076 private void showInputMethodMenu(boolean showAuxSubtypes) { 3077 if (DEBUG) Slog.v(TAG, "Show switching menu. showAuxSubtypes=" + showAuxSubtypes); 3078 3079 final Context context = mContext; 3080 final boolean isScreenLocked = isScreenLocked(); 3081 3082 final String lastInputMethodId = mSettings.getSelectedInputMethod(); 3083 int lastInputMethodSubtypeId = mSettings.getSelectedInputMethodSubtypeId(lastInputMethodId); 3084 if (DEBUG) Slog.v(TAG, "Current IME: " + lastInputMethodId); 3085 3086 synchronized (mMethodMap) { 3087 final HashMap<InputMethodInfo, List<InputMethodSubtype>> immis = 3088 mSettings.getExplicitlyOrImplicitlyEnabledInputMethodsAndSubtypeListLocked( 3089 mContext); 3090 if (immis == null || immis.size() == 0) { 3091 return; 3092 } 3093 3094 hideInputMethodMenuLocked(); 3095 3096 final List<ImeSubtypeListItem> imList = 3097 mSwitchingController.getSortedInputMethodAndSubtypeListLocked( 3098 showAuxSubtypes, isScreenLocked); 3099 3100 if (lastInputMethodSubtypeId == NOT_A_SUBTYPE_ID) { 3101 final InputMethodSubtype currentSubtype = getCurrentInputMethodSubtypeLocked(); 3102 if (currentSubtype != null) { 3103 final InputMethodInfo currentImi = mMethodMap.get(mCurMethodId); 3104 lastInputMethodSubtypeId = InputMethodUtils.getSubtypeIdFromHashCode( 3105 currentImi, currentSubtype.hashCode()); 3106 } 3107 } 3108 3109 final int N = imList.size(); 3110 mIms = new InputMethodInfo[N]; 3111 mSubtypeIds = new int[N]; 3112 int checkedItem = 0; 3113 for (int i = 0; i < N; ++i) { 3114 final ImeSubtypeListItem item = imList.get(i); 3115 mIms[i] = item.mImi; 3116 mSubtypeIds[i] = item.mSubtypeId; 3117 if (mIms[i].getId().equals(lastInputMethodId)) { 3118 int subtypeId = mSubtypeIds[i]; 3119 if ((subtypeId == NOT_A_SUBTYPE_ID) 3120 || (lastInputMethodSubtypeId == NOT_A_SUBTYPE_ID && subtypeId == 0) 3121 || (subtypeId == lastInputMethodSubtypeId)) { 3122 checkedItem = i; 3123 } 3124 } 3125 } 3126 3127 final Context settingsContext = new ContextThemeWrapper(context, 3128 com.android.internal.R.style.Theme_DeviceDefault_Settings); 3129 3130 mDialogBuilder = new AlertDialog.Builder(settingsContext); 3131 mDialogBuilder.setOnCancelListener(new OnCancelListener() { 3132 @Override 3133 public void onCancel(DialogInterface dialog) { 3134 hideInputMethodMenu(); 3135 } 3136 }); 3137 3138 final Context dialogContext = mDialogBuilder.getContext(); 3139 final TypedArray a = dialogContext.obtainStyledAttributes(null, 3140 com.android.internal.R.styleable.DialogPreference, 3141 com.android.internal.R.attr.alertDialogStyle, 0); 3142 final Drawable dialogIcon = a.getDrawable( 3143 com.android.internal.R.styleable.DialogPreference_dialogIcon); 3144 a.recycle(); 3145 3146 mDialogBuilder.setIcon(dialogIcon); 3147 3148 final LayoutInflater inflater = dialogContext.getSystemService(LayoutInflater.class); 3149 final View tv = inflater.inflate( 3150 com.android.internal.R.layout.input_method_switch_dialog_title, null); 3151 mDialogBuilder.setCustomTitle(tv); 3152 3153 // Setup layout for a toggle switch of the hardware keyboard 3154 mSwitchingDialogTitleView = tv; 3155 mSwitchingDialogTitleView 3156 .findViewById(com.android.internal.R.id.hard_keyboard_section) 3157 .setVisibility(mWindowManagerInternal.isHardKeyboardAvailable() 3158 ? View.VISIBLE : View.GONE); 3159 final Switch hardKeySwitch = (Switch) mSwitchingDialogTitleView.findViewById( 3160 com.android.internal.R.id.hard_keyboard_switch); 3161 hardKeySwitch.setChecked(mShowImeWithHardKeyboard); 3162 hardKeySwitch.setOnCheckedChangeListener(new OnCheckedChangeListener() { 3163 @Override 3164 public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) { 3165 mSettings.setShowImeWithHardKeyboard(isChecked); 3166 // Ensure that the input method dialog is dismissed when changing 3167 // the hardware keyboard state. 3168 hideInputMethodMenu(); 3169 } 3170 }); 3171 3172 final ImeSubtypeListAdapter adapter = new ImeSubtypeListAdapter(dialogContext, 3173 com.android.internal.R.layout.input_method_switch_item, imList, checkedItem); 3174 final OnClickListener choiceListener = new OnClickListener() { 3175 @Override 3176 public void onClick(final DialogInterface dialog, final int which) { 3177 synchronized (mMethodMap) { 3178 if (mIms == null || mIms.length <= which || mSubtypeIds == null 3179 || mSubtypeIds.length <= which) { 3180 return; 3181 } 3182 final InputMethodInfo im = mIms[which]; 3183 int subtypeId = mSubtypeIds[which]; 3184 adapter.mCheckedItem = which; 3185 adapter.notifyDataSetChanged(); 3186 hideInputMethodMenu(); 3187 if (im != null) { 3188 if (subtypeId < 0 || subtypeId >= im.getSubtypeCount()) { 3189 subtypeId = NOT_A_SUBTYPE_ID; 3190 } 3191 setInputMethodLocked(im.getId(), subtypeId); 3192 } 3193 } 3194 } 3195 }; 3196 mDialogBuilder.setSingleChoiceItems(adapter, checkedItem, choiceListener); 3197 3198 if (!isScreenLocked) { 3199 final OnClickListener positiveListener = new OnClickListener() { 3200 @Override 3201 public void onClick(DialogInterface dialog, int whichButton) { 3202 showConfigureInputMethods(); 3203 } 3204 }; 3205 mDialogBuilder.setPositiveButton( 3206 com.android.internal.R.string.configure_input_methods, positiveListener); 3207 } 3208 mSwitchingDialog = mDialogBuilder.create(); 3209 mSwitchingDialog.setCanceledOnTouchOutside(true); 3210 mSwitchingDialog.getWindow().setType( 3211 WindowManager.LayoutParams.TYPE_INPUT_METHOD_DIALOG); 3212 mSwitchingDialog.getWindow().getAttributes().privateFlags |= 3213 WindowManager.LayoutParams.PRIVATE_FLAG_SHOW_FOR_ALL_USERS; 3214 mSwitchingDialog.getWindow().getAttributes().setTitle("Select input method"); 3215 updateSystemUi(mCurToken, mImeWindowVis, mBackDisposition); 3216 mSwitchingDialog.show(); 3217 } 3218 } 3219 3220 private static class ImeSubtypeListAdapter extends ArrayAdapter<ImeSubtypeListItem> { 3221 private final LayoutInflater mInflater; 3222 private final int mTextViewResourceId; 3223 private final List<ImeSubtypeListItem> mItemsList; 3224 public int mCheckedItem; 3225 public ImeSubtypeListAdapter(Context context, int textViewResourceId, 3226 List<ImeSubtypeListItem> itemsList, int checkedItem) { 3227 super(context, textViewResourceId, itemsList); 3228 3229 mTextViewResourceId = textViewResourceId; 3230 mItemsList = itemsList; 3231 mCheckedItem = checkedItem; 3232 mInflater = context.getSystemService(LayoutInflater.class); 3233 } 3234 3235 @Override 3236 public View getView(int position, View convertView, ViewGroup parent) { 3237 final View view = convertView != null ? convertView 3238 : mInflater.inflate(mTextViewResourceId, null); 3239 if (position < 0 || position >= mItemsList.size()) return view; 3240 final ImeSubtypeListItem item = mItemsList.get(position); 3241 final CharSequence imeName = item.mImeName; 3242 final CharSequence subtypeName = item.mSubtypeName; 3243 final TextView firstTextView = (TextView)view.findViewById(android.R.id.text1); 3244 final TextView secondTextView = (TextView)view.findViewById(android.R.id.text2); 3245 if (TextUtils.isEmpty(subtypeName)) { 3246 firstTextView.setText(imeName); 3247 secondTextView.setVisibility(View.GONE); 3248 } else { 3249 firstTextView.setText(subtypeName); 3250 secondTextView.setText(imeName); 3251 secondTextView.setVisibility(View.VISIBLE); 3252 } 3253 final RadioButton radioButton = 3254 (RadioButton)view.findViewById(com.android.internal.R.id.radio); 3255 radioButton.setChecked(position == mCheckedItem); 3256 return view; 3257 } 3258 } 3259 3260 void hideInputMethodMenu() { 3261 synchronized (mMethodMap) { 3262 hideInputMethodMenuLocked(); 3263 } 3264 } 3265 3266 void hideInputMethodMenuLocked() { 3267 if (DEBUG) Slog.v(TAG, "Hide switching menu"); 3268 3269 if (mSwitchingDialog != null) { 3270 mSwitchingDialog.dismiss(); 3271 mSwitchingDialog = null; 3272 } 3273 3274 updateSystemUiLocked(mCurToken, mImeWindowVis, mBackDisposition); 3275 mDialogBuilder = null; 3276 mIms = null; 3277 } 3278 3279 // ---------------------------------------------------------------------- 3280 3281 @Override 3282 public boolean setInputMethodEnabled(String id, boolean enabled) { 3283 // TODO: Make this work even for non-current users? 3284 if (!calledFromValidUser()) { 3285 return false; 3286 } 3287 synchronized (mMethodMap) { 3288 if (mContext.checkCallingOrSelfPermission( 3289 android.Manifest.permission.WRITE_SECURE_SETTINGS) 3290 != PackageManager.PERMISSION_GRANTED) { 3291 throw new SecurityException( 3292 "Requires permission " 3293 + android.Manifest.permission.WRITE_SECURE_SETTINGS); 3294 } 3295 3296 long ident = Binder.clearCallingIdentity(); 3297 try { 3298 return setInputMethodEnabledLocked(id, enabled); 3299 } finally { 3300 Binder.restoreCallingIdentity(ident); 3301 } 3302 } 3303 } 3304 3305 boolean setInputMethodEnabledLocked(String id, boolean enabled) { 3306 // Make sure this is a valid input method. 3307 InputMethodInfo imm = mMethodMap.get(id); 3308 if (imm == null) { 3309 throw new IllegalArgumentException("Unknown id: " + mCurMethodId); 3310 } 3311 3312 List<Pair<String, ArrayList<String>>> enabledInputMethodsList = mSettings 3313 .getEnabledInputMethodsAndSubtypeListLocked(); 3314 3315 if (enabled) { 3316 for (Pair<String, ArrayList<String>> pair: enabledInputMethodsList) { 3317 if (pair.first.equals(id)) { 3318 // We are enabling this input method, but it is already enabled. 3319 // Nothing to do. The previous state was enabled. 3320 return true; 3321 } 3322 } 3323 mSettings.appendAndPutEnabledInputMethodLocked(id, false); 3324 // Previous state was disabled. 3325 return false; 3326 } else { 3327 StringBuilder builder = new StringBuilder(); 3328 if (mSettings.buildAndPutEnabledInputMethodsStrRemovingIdLocked( 3329 builder, enabledInputMethodsList, id)) { 3330 // Disabled input method is currently selected, switch to another one. 3331 final String selId = mSettings.getSelectedInputMethod(); 3332 if (id.equals(selId) && !chooseNewDefaultIMELocked()) { 3333 Slog.i(TAG, "Can't find new IME, unsetting the current input method."); 3334 resetSelectedInputMethodAndSubtypeLocked(""); 3335 } 3336 // Previous state was enabled. 3337 return true; 3338 } else { 3339 // We are disabling the input method but it is already disabled. 3340 // Nothing to do. The previous state was disabled. 3341 return false; 3342 } 3343 } 3344 } 3345 3346 private void setSelectedInputMethodAndSubtypeLocked(InputMethodInfo imi, int subtypeId, 3347 boolean setSubtypeOnly) { 3348 // Update the history of InputMethod and Subtype 3349 mSettings.saveCurrentInputMethodAndSubtypeToHistory(mCurMethodId, mCurrentSubtype); 3350 3351 mCurUserActionNotificationSequenceNumber = 3352 Math.max(mCurUserActionNotificationSequenceNumber + 1, 1); 3353 if (DEBUG) { 3354 Slog.d(TAG, "Bump mCurUserActionNotificationSequenceNumber:" 3355 + mCurUserActionNotificationSequenceNumber); 3356 } 3357 3358 if (mCurClient != null && mCurClient.client != null) { 3359 executeOrSendMessage(mCurClient.client, mCaller.obtainMessageIO( 3360 MSG_SET_USER_ACTION_NOTIFICATION_SEQUENCE_NUMBER, 3361 mCurUserActionNotificationSequenceNumber, mCurClient)); 3362 } 3363 3364 // Set Subtype here 3365 if (imi == null || subtypeId < 0) { 3366 mSettings.putSelectedSubtype(NOT_A_SUBTYPE_ID); 3367 mCurrentSubtype = null; 3368 } else { 3369 if (subtypeId < imi.getSubtypeCount()) { 3370 InputMethodSubtype subtype = imi.getSubtypeAt(subtypeId); 3371 mSettings.putSelectedSubtype(subtype.hashCode()); 3372 mCurrentSubtype = subtype; 3373 } else { 3374 mSettings.putSelectedSubtype(NOT_A_SUBTYPE_ID); 3375 // If the subtype is not specified, choose the most applicable one 3376 mCurrentSubtype = getCurrentInputMethodSubtypeLocked(); 3377 } 3378 } 3379 3380 if (!setSubtypeOnly) { 3381 // Set InputMethod here 3382 mSettings.putSelectedInputMethod(imi != null ? imi.getId() : ""); 3383 } 3384 } 3385 3386 private void resetSelectedInputMethodAndSubtypeLocked(String newDefaultIme) { 3387 InputMethodInfo imi = mMethodMap.get(newDefaultIme); 3388 int lastSubtypeId = NOT_A_SUBTYPE_ID; 3389 // newDefaultIme is empty when there is no candidate for the selected IME. 3390 if (imi != null && !TextUtils.isEmpty(newDefaultIme)) { 3391 String subtypeHashCode = mSettings.getLastSubtypeForInputMethodLocked(newDefaultIme); 3392 if (subtypeHashCode != null) { 3393 try { 3394 lastSubtypeId = InputMethodUtils.getSubtypeIdFromHashCode( 3395 imi, Integer.valueOf(subtypeHashCode)); 3396 } catch (NumberFormatException e) { 3397 Slog.w(TAG, "HashCode for subtype looks broken: " + subtypeHashCode, e); 3398 } 3399 } 3400 } 3401 setSelectedInputMethodAndSubtypeLocked(imi, lastSubtypeId, false); 3402 } 3403 3404 // If there are no selected shortcuts, tries finding the most applicable ones. 3405 private Pair<InputMethodInfo, InputMethodSubtype> 3406 findLastResortApplicableShortcutInputMethodAndSubtypeLocked(String mode) { 3407 List<InputMethodInfo> imis = mSettings.getEnabledInputMethodListLocked(); 3408 InputMethodInfo mostApplicableIMI = null; 3409 InputMethodSubtype mostApplicableSubtype = null; 3410 boolean foundInSystemIME = false; 3411 3412 // Search applicable subtype for each InputMethodInfo 3413 for (InputMethodInfo imi: imis) { 3414 final String imiId = imi.getId(); 3415 if (foundInSystemIME && !imiId.equals(mCurMethodId)) { 3416 continue; 3417 } 3418 InputMethodSubtype subtype = null; 3419 final List<InputMethodSubtype> enabledSubtypes = 3420 mSettings.getEnabledInputMethodSubtypeListLocked(mContext, imi, true); 3421 // 1. Search by the current subtype's locale from enabledSubtypes. 3422 if (mCurrentSubtype != null) { 3423 subtype = InputMethodUtils.findLastResortApplicableSubtypeLocked( 3424 mRes, enabledSubtypes, mode, mCurrentSubtype.getLocale(), false); 3425 } 3426 // 2. Search by the system locale from enabledSubtypes. 3427 // 3. Search the first enabled subtype matched with mode from enabledSubtypes. 3428 if (subtype == null) { 3429 subtype = InputMethodUtils.findLastResortApplicableSubtypeLocked( 3430 mRes, enabledSubtypes, mode, null, true); 3431 } 3432 final ArrayList<InputMethodSubtype> overridingImplicitlyEnabledSubtypes = 3433 InputMethodUtils.getOverridingImplicitlyEnabledSubtypes(imi, mode); 3434 final ArrayList<InputMethodSubtype> subtypesForSearch = 3435 overridingImplicitlyEnabledSubtypes.isEmpty() 3436 ? InputMethodUtils.getSubtypes(imi) 3437 : overridingImplicitlyEnabledSubtypes; 3438 // 4. Search by the current subtype's locale from all subtypes. 3439 if (subtype == null && mCurrentSubtype != null) { 3440 subtype = InputMethodUtils.findLastResortApplicableSubtypeLocked( 3441 mRes, subtypesForSearch, mode, mCurrentSubtype.getLocale(), false); 3442 } 3443 // 5. Search by the system locale from all subtypes. 3444 // 6. Search the first enabled subtype matched with mode from all subtypes. 3445 if (subtype == null) { 3446 subtype = InputMethodUtils.findLastResortApplicableSubtypeLocked( 3447 mRes, subtypesForSearch, mode, null, true); 3448 } 3449 if (subtype != null) { 3450 if (imiId.equals(mCurMethodId)) { 3451 // The current input method is the most applicable IME. 3452 mostApplicableIMI = imi; 3453 mostApplicableSubtype = subtype; 3454 break; 3455 } else if (!foundInSystemIME) { 3456 // The system input method is 2nd applicable IME. 3457 mostApplicableIMI = imi; 3458 mostApplicableSubtype = subtype; 3459 if ((imi.getServiceInfo().applicationInfo.flags 3460 & ApplicationInfo.FLAG_SYSTEM) != 0) { 3461 foundInSystemIME = true; 3462 } 3463 } 3464 } 3465 } 3466 if (DEBUG) { 3467 if (mostApplicableIMI != null) { 3468 Slog.w(TAG, "Most applicable shortcut input method was:" 3469 + mostApplicableIMI.getId()); 3470 if (mostApplicableSubtype != null) { 3471 Slog.w(TAG, "Most applicable shortcut input method subtype was:" 3472 + "," + mostApplicableSubtype.getMode() + "," 3473 + mostApplicableSubtype.getLocale()); 3474 } 3475 } 3476 } 3477 if (mostApplicableIMI != null) { 3478 return new Pair<> (mostApplicableIMI, mostApplicableSubtype); 3479 } else { 3480 return null; 3481 } 3482 } 3483 3484 /** 3485 * @return Return the current subtype of this input method. 3486 */ 3487 @Override 3488 public InputMethodSubtype getCurrentInputMethodSubtype() { 3489 // TODO: Make this work even for non-current users? 3490 if (!calledFromValidUser()) { 3491 return null; 3492 } 3493 synchronized (mMethodMap) { 3494 return getCurrentInputMethodSubtypeLocked(); 3495 } 3496 } 3497 3498 private InputMethodSubtype getCurrentInputMethodSubtypeLocked() { 3499 if (mCurMethodId == null) { 3500 return null; 3501 } 3502 final boolean subtypeIsSelected = mSettings.isSubtypeSelected(); 3503 final InputMethodInfo imi = mMethodMap.get(mCurMethodId); 3504 if (imi == null || imi.getSubtypeCount() == 0) { 3505 return null; 3506 } 3507 if (!subtypeIsSelected || mCurrentSubtype == null 3508 || !InputMethodUtils.isValidSubtypeId(imi, mCurrentSubtype.hashCode())) { 3509 int subtypeId = mSettings.getSelectedInputMethodSubtypeId(mCurMethodId); 3510 if (subtypeId == NOT_A_SUBTYPE_ID) { 3511 // If there are no selected subtypes, the framework will try to find 3512 // the most applicable subtype from explicitly or implicitly enabled 3513 // subtypes. 3514 List<InputMethodSubtype> explicitlyOrImplicitlyEnabledSubtypes = 3515 mSettings.getEnabledInputMethodSubtypeListLocked(mContext, imi, true); 3516 // If there is only one explicitly or implicitly enabled subtype, 3517 // just returns it. 3518 if (explicitlyOrImplicitlyEnabledSubtypes.size() == 1) { 3519 mCurrentSubtype = explicitlyOrImplicitlyEnabledSubtypes.get(0); 3520 } else if (explicitlyOrImplicitlyEnabledSubtypes.size() > 1) { 3521 mCurrentSubtype = InputMethodUtils.findLastResortApplicableSubtypeLocked( 3522 mRes, explicitlyOrImplicitlyEnabledSubtypes, 3523 InputMethodUtils.SUBTYPE_MODE_KEYBOARD, null, true); 3524 if (mCurrentSubtype == null) { 3525 mCurrentSubtype = InputMethodUtils.findLastResortApplicableSubtypeLocked( 3526 mRes, explicitlyOrImplicitlyEnabledSubtypes, null, null, 3527 true); 3528 } 3529 } 3530 } else { 3531 mCurrentSubtype = InputMethodUtils.getSubtypes(imi).get(subtypeId); 3532 } 3533 } 3534 return mCurrentSubtype; 3535 } 3536 3537 // TODO: We should change the return type from List to List<Parcelable> 3538 @SuppressWarnings("rawtypes") 3539 @Override 3540 public List getShortcutInputMethodsAndSubtypes() { 3541 synchronized (mMethodMap) { 3542 ArrayList<Object> ret = new ArrayList<>(); 3543 if (mShortcutInputMethodsAndSubtypes.size() == 0) { 3544 // If there are no selected shortcut subtypes, the framework will try to find 3545 // the most applicable subtype from all subtypes whose mode is 3546 // SUBTYPE_MODE_VOICE. This is an exceptional case, so we will hardcode the mode. 3547 Pair<InputMethodInfo, InputMethodSubtype> info = 3548 findLastResortApplicableShortcutInputMethodAndSubtypeLocked( 3549 InputMethodUtils.SUBTYPE_MODE_VOICE); 3550 if (info != null) { 3551 ret.add(info.first); 3552 ret.add(info.second); 3553 } 3554 return ret; 3555 } 3556 for (InputMethodInfo imi: mShortcutInputMethodsAndSubtypes.keySet()) { 3557 ret.add(imi); 3558 for (InputMethodSubtype subtype: mShortcutInputMethodsAndSubtypes.get(imi)) { 3559 ret.add(subtype); 3560 } 3561 } 3562 return ret; 3563 } 3564 } 3565 3566 @Override 3567 public boolean setCurrentInputMethodSubtype(InputMethodSubtype subtype) { 3568 // TODO: Make this work even for non-current users? 3569 if (!calledFromValidUser()) { 3570 return false; 3571 } 3572 synchronized (mMethodMap) { 3573 if (subtype != null && mCurMethodId != null) { 3574 InputMethodInfo imi = mMethodMap.get(mCurMethodId); 3575 int subtypeId = InputMethodUtils.getSubtypeIdFromHashCode(imi, subtype.hashCode()); 3576 if (subtypeId != NOT_A_SUBTYPE_ID) { 3577 setInputMethodLocked(mCurMethodId, subtypeId); 3578 return true; 3579 } 3580 } 3581 return false; 3582 } 3583 } 3584 3585 // TODO: Cache the state for each user and reset when the cached user is removed. 3586 private static class InputMethodFileManager { 3587 private static final String SYSTEM_PATH = "system"; 3588 private static final String INPUT_METHOD_PATH = "inputmethod"; 3589 private static final String ADDITIONAL_SUBTYPES_FILE_NAME = "subtypes.xml"; 3590 private static final String NODE_SUBTYPES = "subtypes"; 3591 private static final String NODE_SUBTYPE = "subtype"; 3592 private static final String NODE_IMI = "imi"; 3593 private static final String ATTR_ID = "id"; 3594 private static final String ATTR_LABEL = "label"; 3595 private static final String ATTR_ICON = "icon"; 3596 private static final String ATTR_IME_SUBTYPE_LOCALE = "imeSubtypeLocale"; 3597 private static final String ATTR_IME_SUBTYPE_LANGUAGE_TAG = "languageTag"; 3598 private static final String ATTR_IME_SUBTYPE_MODE = "imeSubtypeMode"; 3599 private static final String ATTR_IME_SUBTYPE_EXTRA_VALUE = "imeSubtypeExtraValue"; 3600 private static final String ATTR_IS_AUXILIARY = "isAuxiliary"; 3601 private final AtomicFile mAdditionalInputMethodSubtypeFile; 3602 private final HashMap<String, InputMethodInfo> mMethodMap; 3603 private final HashMap<String, List<InputMethodSubtype>> mAdditionalSubtypesMap = 3604 new HashMap<>(); 3605 public InputMethodFileManager(HashMap<String, InputMethodInfo> methodMap, int userId) { 3606 if (methodMap == null) { 3607 throw new NullPointerException("methodMap is null"); 3608 } 3609 mMethodMap = methodMap; 3610 final File systemDir = userId == UserHandle.USER_SYSTEM 3611 ? new File(Environment.getDataDirectory(), SYSTEM_PATH) 3612 : Environment.getUserSystemDirectory(userId); 3613 final File inputMethodDir = new File(systemDir, INPUT_METHOD_PATH); 3614 if (!inputMethodDir.exists() && !inputMethodDir.mkdirs()) { 3615 Slog.w(TAG, "Couldn't create dir.: " + inputMethodDir.getAbsolutePath()); 3616 } 3617 final File subtypeFile = new File(inputMethodDir, ADDITIONAL_SUBTYPES_FILE_NAME); 3618 mAdditionalInputMethodSubtypeFile = new AtomicFile(subtypeFile); 3619 if (!subtypeFile.exists()) { 3620 // If "subtypes.xml" doesn't exist, create a blank file. 3621 writeAdditionalInputMethodSubtypes( 3622 mAdditionalSubtypesMap, mAdditionalInputMethodSubtypeFile, methodMap); 3623 } else { 3624 readAdditionalInputMethodSubtypes( 3625 mAdditionalSubtypesMap, mAdditionalInputMethodSubtypeFile); 3626 } 3627 } 3628 3629 private void deleteAllInputMethodSubtypes(String imiId) { 3630 synchronized (mMethodMap) { 3631 mAdditionalSubtypesMap.remove(imiId); 3632 writeAdditionalInputMethodSubtypes( 3633 mAdditionalSubtypesMap, mAdditionalInputMethodSubtypeFile, mMethodMap); 3634 } 3635 } 3636 3637 public void addInputMethodSubtypes( 3638 InputMethodInfo imi, InputMethodSubtype[] additionalSubtypes) { 3639 synchronized (mMethodMap) { 3640 final ArrayList<InputMethodSubtype> subtypes = new ArrayList<>(); 3641 final int N = additionalSubtypes.length; 3642 for (int i = 0; i < N; ++i) { 3643 final InputMethodSubtype subtype = additionalSubtypes[i]; 3644 if (!subtypes.contains(subtype)) { 3645 subtypes.add(subtype); 3646 } else { 3647 Slog.w(TAG, "Duplicated subtype definition found: " 3648 + subtype.getLocale() + ", " + subtype.getMode()); 3649 } 3650 } 3651 mAdditionalSubtypesMap.put(imi.getId(), subtypes); 3652 writeAdditionalInputMethodSubtypes( 3653 mAdditionalSubtypesMap, mAdditionalInputMethodSubtypeFile, mMethodMap); 3654 } 3655 } 3656 3657 public HashMap<String, List<InputMethodSubtype>> getAllAdditionalInputMethodSubtypes() { 3658 synchronized (mMethodMap) { 3659 return mAdditionalSubtypesMap; 3660 } 3661 } 3662 3663 private static void writeAdditionalInputMethodSubtypes( 3664 HashMap<String, List<InputMethodSubtype>> allSubtypes, AtomicFile subtypesFile, 3665 HashMap<String, InputMethodInfo> methodMap) { 3666 // Safety net for the case that this function is called before methodMap is set. 3667 final boolean isSetMethodMap = methodMap != null && methodMap.size() > 0; 3668 FileOutputStream fos = null; 3669 try { 3670 fos = subtypesFile.startWrite(); 3671 final XmlSerializer out = new FastXmlSerializer(); 3672 out.setOutput(fos, StandardCharsets.UTF_8.name()); 3673 out.startDocument(null, true); 3674 out.setFeature("http://xmlpull.org/v1/doc/features.html#indent-output", true); 3675 out.startTag(null, NODE_SUBTYPES); 3676 for (String imiId : allSubtypes.keySet()) { 3677 if (isSetMethodMap && !methodMap.containsKey(imiId)) { 3678 Slog.w(TAG, "IME uninstalled or not valid.: " + imiId); 3679 continue; 3680 } 3681 out.startTag(null, NODE_IMI); 3682 out.attribute(null, ATTR_ID, imiId); 3683 final List<InputMethodSubtype> subtypesList = allSubtypes.get(imiId); 3684 final int N = subtypesList.size(); 3685 for (int i = 0; i < N; ++i) { 3686 final InputMethodSubtype subtype = subtypesList.get(i); 3687 out.startTag(null, NODE_SUBTYPE); 3688 out.attribute(null, ATTR_ICON, String.valueOf(subtype.getIconResId())); 3689 out.attribute(null, ATTR_LABEL, String.valueOf(subtype.getNameResId())); 3690 out.attribute(null, ATTR_IME_SUBTYPE_LOCALE, subtype.getLocale()); 3691 out.attribute(null, ATTR_IME_SUBTYPE_LANGUAGE_TAG, 3692 subtype.getLanguageTag()); 3693 out.attribute(null, ATTR_IME_SUBTYPE_MODE, subtype.getMode()); 3694 out.attribute(null, ATTR_IME_SUBTYPE_EXTRA_VALUE, subtype.getExtraValue()); 3695 out.attribute(null, ATTR_IS_AUXILIARY, 3696 String.valueOf(subtype.isAuxiliary() ? 1 : 0)); 3697 out.endTag(null, NODE_SUBTYPE); 3698 } 3699 out.endTag(null, NODE_IMI); 3700 } 3701 out.endTag(null, NODE_SUBTYPES); 3702 out.endDocument(); 3703 subtypesFile.finishWrite(fos); 3704 } catch (java.io.IOException e) { 3705 Slog.w(TAG, "Error writing subtypes", e); 3706 if (fos != null) { 3707 subtypesFile.failWrite(fos); 3708 } 3709 } 3710 } 3711 3712 private static void readAdditionalInputMethodSubtypes( 3713 HashMap<String, List<InputMethodSubtype>> allSubtypes, AtomicFile subtypesFile) { 3714 if (allSubtypes == null || subtypesFile == null) return; 3715 allSubtypes.clear(); 3716 try (final FileInputStream fis = subtypesFile.openRead()) { 3717 final XmlPullParser parser = Xml.newPullParser(); 3718 parser.setInput(fis, StandardCharsets.UTF_8.name()); 3719 int type = parser.getEventType(); 3720 // Skip parsing until START_TAG 3721 while ((type = parser.next()) != XmlPullParser.START_TAG 3722 && type != XmlPullParser.END_DOCUMENT) {} 3723 String firstNodeName = parser.getName(); 3724 if (!NODE_SUBTYPES.equals(firstNodeName)) { 3725 throw new XmlPullParserException("Xml doesn't start with subtypes"); 3726 } 3727 final int depth =parser.getDepth(); 3728 String currentImiId = null; 3729 ArrayList<InputMethodSubtype> tempSubtypesArray = null; 3730 while (((type = parser.next()) != XmlPullParser.END_TAG 3731 || parser.getDepth() > depth) && type != XmlPullParser.END_DOCUMENT) { 3732 if (type != XmlPullParser.START_TAG) 3733 continue; 3734 final String nodeName = parser.getName(); 3735 if (NODE_IMI.equals(nodeName)) { 3736 currentImiId = parser.getAttributeValue(null, ATTR_ID); 3737 if (TextUtils.isEmpty(currentImiId)) { 3738 Slog.w(TAG, "Invalid imi id found in subtypes.xml"); 3739 continue; 3740 } 3741 tempSubtypesArray = new ArrayList<>(); 3742 allSubtypes.put(currentImiId, tempSubtypesArray); 3743 } else if (NODE_SUBTYPE.equals(nodeName)) { 3744 if (TextUtils.isEmpty(currentImiId) || tempSubtypesArray == null) { 3745 Slog.w(TAG, "IME uninstalled or not valid.: " + currentImiId); 3746 continue; 3747 } 3748 final int icon = Integer.valueOf( 3749 parser.getAttributeValue(null, ATTR_ICON)); 3750 final int label = Integer.valueOf( 3751 parser.getAttributeValue(null, ATTR_LABEL)); 3752 final String imeSubtypeLocale = 3753 parser.getAttributeValue(null, ATTR_IME_SUBTYPE_LOCALE); 3754 final String languageTag = 3755 parser.getAttributeValue(null, ATTR_IME_SUBTYPE_LANGUAGE_TAG); 3756 final String imeSubtypeMode = 3757 parser.getAttributeValue(null, ATTR_IME_SUBTYPE_MODE); 3758 final String imeSubtypeExtraValue = 3759 parser.getAttributeValue(null, ATTR_IME_SUBTYPE_EXTRA_VALUE); 3760 final boolean isAuxiliary = "1".equals(String.valueOf( 3761 parser.getAttributeValue(null, ATTR_IS_AUXILIARY))); 3762 final InputMethodSubtype subtype = new InputMethodSubtypeBuilder() 3763 .setSubtypeNameResId(label) 3764 .setSubtypeIconResId(icon) 3765 .setSubtypeLocale(imeSubtypeLocale) 3766 .setLanguageTag(languageTag) 3767 .setSubtypeMode(imeSubtypeMode) 3768 .setSubtypeExtraValue(imeSubtypeExtraValue) 3769 .setIsAuxiliary(isAuxiliary) 3770 .build(); 3771 tempSubtypesArray.add(subtype); 3772 } 3773 } 3774 } catch (XmlPullParserException | IOException | NumberFormatException e) { 3775 Slog.w(TAG, "Error reading subtypes", e); 3776 return; 3777 } 3778 } 3779 } 3780 3781 private static final class LocalServiceImpl implements InputMethodManagerInternal { 3782 @NonNull 3783 private final Handler mHandler; 3784 3785 LocalServiceImpl(@NonNull final Handler handler) { 3786 mHandler = handler; 3787 } 3788 3789 @Override 3790 public void setInteractive(boolean interactive) { 3791 // Do everything in handler so as not to block the caller. 3792 mHandler.sendMessage(mHandler.obtainMessage(MSG_SET_INTERACTIVE, 3793 interactive ? 1 : 0, 0)); 3794 } 3795 3796 @Override 3797 public void switchInputMethod(boolean forwardDirection) { 3798 // Do everything in handler so as not to block the caller. 3799 mHandler.sendMessage(mHandler.obtainMessage(MSG_SWITCH_IME, 3800 forwardDirection ? 1 : 0, 0)); 3801 } 3802 } 3803 3804 @Override 3805 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 3806 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 3807 != PackageManager.PERMISSION_GRANTED) { 3808 3809 pw.println("Permission Denial: can't dump InputMethodManager from from pid=" 3810 + Binder.getCallingPid() 3811 + ", uid=" + Binder.getCallingUid()); 3812 return; 3813 } 3814 3815 IInputMethod method; 3816 ClientState client; 3817 ClientState focusedWindowClient; 3818 3819 final Printer p = new PrintWriterPrinter(pw); 3820 3821 synchronized (mMethodMap) { 3822 p.println("Current Input Method Manager state:"); 3823 int N = mMethodList.size(); 3824 p.println(" Input Methods:"); 3825 for (int i=0; i<N; i++) { 3826 InputMethodInfo info = mMethodList.get(i); 3827 p.println(" InputMethod #" + i + ":"); 3828 info.dump(p, " "); 3829 } 3830 p.println(" Clients:"); 3831 for (ClientState ci : mClients.values()) { 3832 p.println(" Client " + ci + ":"); 3833 p.println(" client=" + ci.client); 3834 p.println(" inputContext=" + ci.inputContext); 3835 p.println(" sessionRequested=" + ci.sessionRequested); 3836 p.println(" curSession=" + ci.curSession); 3837 } 3838 p.println(" mCurMethodId=" + mCurMethodId); 3839 client = mCurClient; 3840 p.println(" mCurClient=" + client + " mCurSeq=" + mCurSeq); 3841 p.println(" mCurFocusedWindow=" + mCurFocusedWindow); 3842 focusedWindowClient = mCurFocusedWindowClient; 3843 p.println(" mCurFocusedWindowClient=" + focusedWindowClient); 3844 p.println(" mCurId=" + mCurId + " mHaveConnect=" + mHaveConnection 3845 + " mBoundToMethod=" + mBoundToMethod); 3846 p.println(" mCurToken=" + mCurToken); 3847 p.println(" mCurIntent=" + mCurIntent); 3848 method = mCurMethod; 3849 p.println(" mCurMethod=" + mCurMethod); 3850 p.println(" mEnabledSession=" + mEnabledSession); 3851 p.println(" mShowRequested=" + mShowRequested 3852 + " mShowExplicitlyRequested=" + mShowExplicitlyRequested 3853 + " mShowForced=" + mShowForced 3854 + " mInputShown=" + mInputShown); 3855 p.println(" mCurUserActionNotificationSequenceNumber=" 3856 + mCurUserActionNotificationSequenceNumber); 3857 p.println(" mSystemReady=" + mSystemReady + " mInteractive=" + mIsInteractive); 3858 p.println(" mSettingsObserver=" + mSettingsObserver); 3859 p.println(" mSwitchingController:"); 3860 mSwitchingController.dump(p); 3861 p.println(" mSettings:"); 3862 mSettings.dumpLocked(p, " "); 3863 } 3864 3865 p.println(" "); 3866 if (client != null) { 3867 pw.flush(); 3868 try { 3869 client.client.asBinder().dump(fd, args); 3870 } catch (RemoteException e) { 3871 p.println("Input method client dead: " + e); 3872 } 3873 } else { 3874 p.println("No input method client."); 3875 } 3876 3877 if (focusedWindowClient != null && client != focusedWindowClient) { 3878 p.println(" "); 3879 p.println("Warning: Current input method client doesn't match the last focused. " 3880 + "window."); 3881 p.println("Dumping input method client in the last focused window just in case."); 3882 p.println(" "); 3883 pw.flush(); 3884 try { 3885 focusedWindowClient.client.asBinder().dump(fd, args); 3886 } catch (RemoteException e) { 3887 p.println("Input method client in focused window dead: " + e); 3888 } 3889 } 3890 3891 p.println(" "); 3892 if (method != null) { 3893 pw.flush(); 3894 try { 3895 method.asBinder().dump(fd, args); 3896 } catch (RemoteException e) { 3897 p.println("Input method service dead: " + e); 3898 } 3899 } else { 3900 p.println("No input method service."); 3901 } 3902 } 3903} 3904