InputMethodManagerService.java revision 3eaf8674872824e4d44a1de7ad72529c299634f7
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 static android.view.Display.DEFAULT_DISPLAY; 19import static android.view.WindowManager.LayoutParams.PRIVATE_FLAG_SHOW_FOR_ALL_USERS; 20import static android.view.WindowManager.LayoutParams.TYPE_INPUT_METHOD; 21import static android.view.WindowManager.LayoutParams.TYPE_INPUT_METHOD_DIALOG; 22import static java.lang.annotation.RetentionPolicy.SOURCE; 23 24import com.android.internal.annotations.GuardedBy; 25import com.android.internal.content.PackageMonitor; 26import com.android.internal.inputmethod.IInputContentUriToken; 27import com.android.internal.inputmethod.InputMethodSubtypeSwitchingController; 28import com.android.internal.inputmethod.InputMethodSubtypeSwitchingController.ImeSubtypeListItem; 29import com.android.internal.inputmethod.InputMethodUtils; 30import com.android.internal.inputmethod.InputMethodUtils.InputMethodSettings; 31import com.android.internal.os.HandlerCaller; 32import com.android.internal.os.SomeArgs; 33import com.android.internal.os.TransferPipe; 34import com.android.internal.util.FastXmlSerializer; 35import com.android.internal.view.IInputContext; 36import com.android.internal.view.IInputMethod; 37import com.android.internal.view.IInputMethodClient; 38import com.android.internal.view.IInputMethodManager; 39import com.android.internal.view.IInputMethodSession; 40import com.android.internal.view.IInputSessionCallback; 41import com.android.internal.view.InputBindResult; 42import com.android.internal.view.InputMethodClient; 43import com.android.server.statusbar.StatusBarManagerService; 44 45import org.xmlpull.v1.XmlPullParser; 46import org.xmlpull.v1.XmlPullParserException; 47import org.xmlpull.v1.XmlSerializer; 48 49import android.annotation.IntDef; 50import android.annotation.NonNull; 51import android.annotation.Nullable; 52import android.annotation.UserIdInt; 53import android.app.ActivityManager; 54import android.app.ActivityManagerInternal; 55import android.app.AlertDialog; 56import android.app.AppGlobals; 57import android.app.AppOpsManager; 58import android.app.KeyguardManager; 59import android.app.Notification; 60import android.app.NotificationManager; 61import android.app.PendingIntent; 62import android.content.BroadcastReceiver; 63import android.content.ComponentName; 64import android.content.ContentProvider; 65import android.content.ContentResolver; 66import android.content.Context; 67import android.content.DialogInterface; 68import android.content.DialogInterface.OnCancelListener; 69import android.content.DialogInterface.OnClickListener; 70import android.content.Intent; 71import android.content.IntentFilter; 72import android.content.ServiceConnection; 73import android.content.pm.ApplicationInfo; 74import android.content.pm.IPackageManager; 75import android.content.pm.PackageManager; 76import android.content.pm.ResolveInfo; 77import android.content.pm.ServiceInfo; 78import android.content.res.Configuration; 79import android.content.res.Resources; 80import android.content.res.TypedArray; 81import android.database.ContentObserver; 82import android.graphics.drawable.Drawable; 83import android.hardware.input.InputManagerInternal; 84import android.inputmethodservice.InputMethodService; 85import android.net.Uri; 86import android.os.Binder; 87import android.os.Bundle; 88import android.os.Debug; 89import android.os.Environment; 90import android.os.Handler; 91import android.os.IBinder; 92import android.os.IInterface; 93import android.os.Message; 94import android.os.LocaleList; 95import android.os.Parcel; 96import android.os.Process; 97import android.os.RemoteException; 98import android.os.ResultReceiver; 99import android.os.ServiceManager; 100import android.os.SystemClock; 101import android.os.UserHandle; 102import android.os.UserManager; 103import android.provider.Settings; 104import android.text.TextUtils; 105import android.text.style.SuggestionSpan; 106import android.util.ArrayMap; 107import android.util.ArraySet; 108import android.util.AtomicFile; 109import android.util.EventLog; 110import android.util.LruCache; 111import android.util.Pair; 112import android.util.PrintWriterPrinter; 113import android.util.Printer; 114import android.util.Slog; 115import android.util.Xml; 116import android.view.ContextThemeWrapper; 117import android.view.IWindowManager; 118import android.view.InputChannel; 119import android.view.LayoutInflater; 120import android.view.View; 121import android.view.ViewGroup; 122import android.view.Window; 123import android.view.WindowManager; 124import android.view.WindowManagerInternal; 125import android.view.inputmethod.EditorInfo; 126import android.view.inputmethod.InputBinding; 127import android.view.inputmethod.InputConnectionInspector; 128import android.view.inputmethod.InputMethod; 129import android.view.inputmethod.InputMethodInfo; 130import android.view.inputmethod.InputMethodManager; 131import android.view.inputmethod.InputMethodManagerInternal; 132import android.view.inputmethod.InputMethodSubtype; 133import android.view.inputmethod.InputMethodSubtype.InputMethodSubtypeBuilder; 134import android.widget.ArrayAdapter; 135import android.widget.CompoundButton; 136import android.widget.CompoundButton.OnCheckedChangeListener; 137import android.widget.RadioButton; 138import android.widget.Switch; 139import android.widget.TextView; 140import android.widget.Toast; 141 142import java.io.File; 143import java.io.FileDescriptor; 144import java.io.FileInputStream; 145import java.io.FileOutputStream; 146import java.io.IOException; 147import java.io.PrintWriter; 148import java.lang.annotation.Retention; 149import java.nio.charset.StandardCharsets; 150import java.security.InvalidParameterException; 151import java.util.ArrayList; 152import java.util.Collections; 153import java.util.HashMap; 154import java.util.List; 155 156/** 157 * This class provides a system service that manages input methods. 158 */ 159public class InputMethodManagerService extends IInputMethodManager.Stub 160 implements ServiceConnection, Handler.Callback { 161 static final boolean DEBUG = false; 162 static final boolean DEBUG_RESTORE = DEBUG || false; 163 static final String TAG = "InputMethodManagerService"; 164 165 static final int MSG_SHOW_IM_SUBTYPE_PICKER = 1; 166 static final int MSG_SHOW_IM_SUBTYPE_ENABLER = 2; 167 static final int MSG_SHOW_IM_CONFIG = 3; 168 169 static final int MSG_UNBIND_INPUT = 1000; 170 static final int MSG_BIND_INPUT = 1010; 171 static final int MSG_SHOW_SOFT_INPUT = 1020; 172 static final int MSG_HIDE_SOFT_INPUT = 1030; 173 static final int MSG_HIDE_CURRENT_INPUT_METHOD = 1035; 174 static final int MSG_ATTACH_TOKEN = 1040; 175 static final int MSG_CREATE_SESSION = 1050; 176 177 static final int MSG_START_INPUT = 2000; 178 static final int MSG_RESTART_INPUT = 2010; 179 180 static final int MSG_UNBIND_CLIENT = 3000; 181 static final int MSG_BIND_CLIENT = 3010; 182 static final int MSG_SET_ACTIVE = 3020; 183 static final int MSG_SET_INTERACTIVE = 3030; 184 static final int MSG_SET_USER_ACTION_NOTIFICATION_SEQUENCE_NUMBER = 3040; 185 static final int MSG_REPORT_FULLSCREEN_MODE = 3045; 186 static final int MSG_SWITCH_IME = 3050; 187 188 static final int MSG_HARD_KEYBOARD_SWITCH_CHANGED = 4000; 189 190 static final int MSG_SYSTEM_UNLOCK_USER = 5000; 191 192 static final long TIME_TO_RECONNECT = 3 * 1000; 193 194 static final int SECURE_SUGGESTION_SPANS_MAX_SIZE = 20; 195 196 private static final int NOT_A_SUBTYPE_ID = InputMethodUtils.NOT_A_SUBTYPE_ID; 197 private static final String TAG_TRY_SUPPRESSING_IME_SWITCHER = "TrySuppressingImeSwitcher"; 198 199 @Retention(SOURCE) 200 @IntDef({HardKeyboardBehavior.WIRELESS_AFFORDANCE, HardKeyboardBehavior.WIRED_AFFORDANCE}) 201 private @interface HardKeyboardBehavior { 202 int WIRELESS_AFFORDANCE = 0; 203 int WIRED_AFFORDANCE = 1; 204 } 205 206 final Context mContext; 207 final Resources mRes; 208 final Handler mHandler; 209 final InputMethodSettings mSettings; 210 final SettingsObserver mSettingsObserver; 211 final IWindowManager mIWindowManager; 212 final WindowManagerInternal mWindowManagerInternal; 213 final HandlerCaller mCaller; 214 final boolean mHasFeature; 215 private InputMethodFileManager mFileManager; 216 private final HardKeyboardListener mHardKeyboardListener; 217 private final AppOpsManager mAppOpsManager; 218 private final UserManager mUserManager; 219 220 final InputBindResult mNoBinding = new InputBindResult(null, null, null, -1, -1); 221 222 // All known input methods. mMethodMap also serves as the global 223 // lock for this class. 224 final ArrayList<InputMethodInfo> mMethodList = new ArrayList<>(); 225 final HashMap<String, InputMethodInfo> mMethodMap = new HashMap<>(); 226 private final LruCache<SuggestionSpan, InputMethodInfo> mSecureSuggestionSpans = 227 new LruCache<>(SECURE_SUGGESTION_SPANS_MAX_SIZE); 228 private final InputMethodSubtypeSwitchingController mSwitchingController; 229 230 // Used to bring IME service up to visible adjustment while it is being shown. 231 final ServiceConnection mVisibleConnection = new ServiceConnection() { 232 @Override public void onServiceConnected(ComponentName name, IBinder service) { 233 } 234 235 @Override public void onServiceDisconnected(ComponentName name) { 236 } 237 }; 238 boolean mVisibleBound = false; 239 240 // Ongoing notification 241 private NotificationManager mNotificationManager; 242 private KeyguardManager mKeyguardManager; 243 private @Nullable StatusBarManagerService mStatusBar; 244 private Notification.Builder mImeSwitcherNotification; 245 private PendingIntent mImeSwitchPendingIntent; 246 private boolean mShowOngoingImeSwitcherForPhones; 247 private boolean mNotificationShown; 248 249 static class SessionState { 250 final ClientState client; 251 final IInputMethod method; 252 253 IInputMethodSession session; 254 InputChannel channel; 255 256 @Override 257 public String toString() { 258 return "SessionState{uid " + client.uid + " pid " + client.pid 259 + " method " + Integer.toHexString( 260 System.identityHashCode(method)) 261 + " session " + Integer.toHexString( 262 System.identityHashCode(session)) 263 + " channel " + channel 264 + "}"; 265 } 266 267 SessionState(ClientState _client, IInputMethod _method, 268 IInputMethodSession _session, InputChannel _channel) { 269 client = _client; 270 method = _method; 271 session = _session; 272 channel = _channel; 273 } 274 } 275 276 static final class ClientState { 277 final IInputMethodClient client; 278 final IInputContext inputContext; 279 final int uid; 280 final int pid; 281 final InputBinding binding; 282 283 boolean sessionRequested; 284 SessionState curSession; 285 286 @Override 287 public String toString() { 288 return "ClientState{" + Integer.toHexString( 289 System.identityHashCode(this)) + " uid " + uid 290 + " pid " + pid + "}"; 291 } 292 293 ClientState(IInputMethodClient _client, IInputContext _inputContext, 294 int _uid, int _pid) { 295 client = _client; 296 inputContext = _inputContext; 297 uid = _uid; 298 pid = _pid; 299 binding = new InputBinding(null, inputContext.asBinder(), uid, pid); 300 } 301 } 302 303 final HashMap<IBinder, ClientState> mClients = new HashMap<>(); 304 305 /** 306 * Set once the system is ready to run third party code. 307 */ 308 boolean mSystemReady; 309 310 /** 311 * Id obtained with {@link InputMethodInfo#getId()} for the currently selected input method. 312 * method. This is to be synchronized with the secure settings keyed with 313 * {@link Settings.Secure#DEFAULT_INPUT_METHOD}. 314 * 315 * <p>This can be transiently {@code null} when the system is re-initializing input method 316 * settings, e.g., the system locale is just changed.</p> 317 * 318 * <p>Note that {@link #mCurId} is used to track which IME is being connected to 319 * {@link InputMethodManagerService}.</p> 320 * 321 * @see #mCurId 322 */ 323 @Nullable 324 String mCurMethodId; 325 326 /** 327 * The current binding sequence number, incremented every time there is 328 * a new bind performed. 329 */ 330 int mCurSeq; 331 332 /** 333 * The client that is currently bound to an input method. 334 */ 335 ClientState mCurClient; 336 337 /** 338 * The last window token that we confirmed to be focused. This is always updated upon reports 339 * from the input method client. If the window state is already changed before the report is 340 * handled, this field just keeps the last value. 341 */ 342 IBinder mCurFocusedWindow; 343 344 /** 345 * The client by which {@link #mCurFocusedWindow} was reported. Used only for debugging. 346 */ 347 ClientState mCurFocusedWindowClient; 348 349 /** 350 * The input context last provided by the current client. 351 */ 352 IInputContext mCurInputContext; 353 354 /** 355 * The missing method flags for the input context last provided by the current client. 356 * 357 * @see android.view.inputmethod.InputConnectionInspector.MissingMethodFlags 358 */ 359 int mCurInputContextMissingMethods; 360 361 /** 362 * The attributes last provided by the current client. 363 */ 364 EditorInfo mCurAttribute; 365 366 /** 367 * Id obtained with {@link InputMethodInfo#getId()} for the input method that we are currently 368 * connected to or in the process of connecting to. 369 * 370 * <p>This can be {@code null} when no input method is connected.</p> 371 * 372 * @see #mCurMethodId 373 */ 374 @Nullable 375 String mCurId; 376 377 /** 378 * The current subtype of the current input method. 379 */ 380 private InputMethodSubtype mCurrentSubtype; 381 382 // This list contains the pairs of InputMethodInfo and InputMethodSubtype. 383 private final HashMap<InputMethodInfo, ArrayList<InputMethodSubtype>> 384 mShortcutInputMethodsAndSubtypes = new HashMap<>(); 385 386 // Was the keyguard locked when this client became current? 387 private boolean mCurClientInKeyguard; 388 389 /** 390 * Set to true if our ServiceConnection is currently actively bound to 391 * a service (whether or not we have gotten its IBinder back yet). 392 */ 393 boolean mHaveConnection; 394 395 /** 396 * Set if the client has asked for the input method to be shown. 397 */ 398 boolean mShowRequested; 399 400 /** 401 * Set if we were explicitly told to show the input method. 402 */ 403 boolean mShowExplicitlyRequested; 404 405 /** 406 * Set if we were forced to be shown. 407 */ 408 boolean mShowForced; 409 410 /** 411 * Set if we last told the input method to show itself. 412 */ 413 boolean mInputShown; 414 415 /** 416 * {@code true} if the current input method is in fullscreen mode. 417 */ 418 boolean mInFullscreenMode; 419 420 /** 421 * The Intent used to connect to the current input method. 422 */ 423 Intent mCurIntent; 424 425 /** 426 * The token we have made for the currently active input method, to 427 * identify it in the future. 428 */ 429 IBinder mCurToken; 430 431 /** 432 * If non-null, this is the input method service we are currently connected 433 * to. 434 */ 435 IInputMethod mCurMethod; 436 437 /** 438 * Time that we last initiated a bind to the input method, to determine 439 * if we should try to disconnect and reconnect to it. 440 */ 441 long mLastBindTime; 442 443 /** 444 * Have we called mCurMethod.bindInput()? 445 */ 446 boolean mBoundToMethod; 447 448 /** 449 * Currently enabled session. Only touched by service thread, not 450 * protected by a lock. 451 */ 452 SessionState mEnabledSession; 453 454 /** 455 * True if the device is currently interactive with user. The value is true initially. 456 */ 457 boolean mIsInteractive = true; 458 459 int mCurUserActionNotificationSequenceNumber = 0; 460 461 int mBackDisposition = InputMethodService.BACK_DISPOSITION_DEFAULT; 462 463 /** 464 * A set of status bits regarding the active IME. 465 * 466 * <p>This value is a combination of following two bits:</p> 467 * <dl> 468 * <dt>{@link InputMethodService#IME_ACTIVE}</dt> 469 * <dd> 470 * If this bit is ON, connected IME is ready to accept touch/key events. 471 * </dd> 472 * <dt>{@link InputMethodService#IME_VISIBLE}</dt> 473 * <dd> 474 * If this bit is ON, some of IME view, e.g. software input, candidate view, is visible. 475 * </dd> 476 * </dl> 477 * <em>Do not update this value outside of setImeWindowStatus.</em> 478 */ 479 int mImeWindowVis; 480 481 private AlertDialog.Builder mDialogBuilder; 482 private AlertDialog mSwitchingDialog; 483 private IBinder mSwitchingDialogToken = new Binder(); 484 private View mSwitchingDialogTitleView; 485 private Toast mSubtypeSwitchedByShortCutToast; 486 private InputMethodInfo[] mIms; 487 private int[] mSubtypeIds; 488 private LocaleList mLastSystemLocales; 489 private boolean mShowImeWithHardKeyboard; 490 private boolean mAccessibilityRequestingNoSoftKeyboard; 491 private final MyPackageMonitor mMyPackageMonitor = new MyPackageMonitor(); 492 private final IPackageManager mIPackageManager; 493 private final String mSlotIme; 494 @HardKeyboardBehavior 495 private final int mHardKeyboardBehavior; 496 497 class SettingsObserver extends ContentObserver { 498 int mUserId; 499 boolean mRegistered = false; 500 @NonNull 501 String mLastEnabled = ""; 502 503 /** 504 * <em>This constructor must be called within the lock.</em> 505 */ 506 SettingsObserver(Handler handler) { 507 super(handler); 508 } 509 510 public void registerContentObserverLocked(@UserIdInt int userId) { 511 if (mRegistered && mUserId == userId) { 512 return; 513 } 514 ContentResolver resolver = mContext.getContentResolver(); 515 if (mRegistered) { 516 mContext.getContentResolver().unregisterContentObserver(this); 517 mRegistered = false; 518 } 519 if (mUserId != userId) { 520 mLastEnabled = ""; 521 mUserId = userId; 522 } 523 resolver.registerContentObserver(Settings.Secure.getUriFor( 524 Settings.Secure.DEFAULT_INPUT_METHOD), false, this, userId); 525 resolver.registerContentObserver(Settings.Secure.getUriFor( 526 Settings.Secure.ENABLED_INPUT_METHODS), false, this, userId); 527 resolver.registerContentObserver(Settings.Secure.getUriFor( 528 Settings.Secure.SELECTED_INPUT_METHOD_SUBTYPE), false, this, userId); 529 resolver.registerContentObserver(Settings.Secure.getUriFor( 530 Settings.Secure.SHOW_IME_WITH_HARD_KEYBOARD), false, this, userId); 531 resolver.registerContentObserver(Settings.Secure.getUriFor( 532 Settings.Secure.ACCESSIBILITY_SOFT_KEYBOARD_MODE), false, this, userId); 533 mRegistered = true; 534 } 535 536 @Override public void onChange(boolean selfChange, Uri uri) { 537 final Uri showImeUri = Settings.Secure.getUriFor( 538 Settings.Secure.SHOW_IME_WITH_HARD_KEYBOARD); 539 final Uri accessibilityRequestingNoImeUri = Settings.Secure.getUriFor( 540 Settings.Secure.ACCESSIBILITY_SOFT_KEYBOARD_MODE); 541 synchronized (mMethodMap) { 542 if (showImeUri.equals(uri)) { 543 updateKeyboardFromSettingsLocked(); 544 } else if (accessibilityRequestingNoImeUri.equals(uri)) { 545 mAccessibilityRequestingNoSoftKeyboard = Settings.Secure.getIntForUser( 546 mContext.getContentResolver(), 547 Settings.Secure.ACCESSIBILITY_SOFT_KEYBOARD_MODE, 548 0, mUserId) == 1; 549 if (mAccessibilityRequestingNoSoftKeyboard) { 550 final boolean showRequested = mShowRequested; 551 hideCurrentInputLocked(0, null); 552 mShowRequested = showRequested; 553 } else if (mShowRequested) { 554 showCurrentInputLocked(InputMethodManager.SHOW_IMPLICIT, null); 555 } 556 } else { 557 boolean enabledChanged = false; 558 String newEnabled = mSettings.getEnabledInputMethodsStr(); 559 if (!mLastEnabled.equals(newEnabled)) { 560 mLastEnabled = newEnabled; 561 enabledChanged = true; 562 } 563 updateInputMethodsFromSettingsLocked(enabledChanged); 564 } 565 } 566 } 567 568 @Override 569 public String toString() { 570 return "SettingsObserver{mUserId=" + mUserId + " mRegistered=" + mRegistered 571 + " mLastEnabled=" + mLastEnabled + "}"; 572 } 573 } 574 575 class ImmsBroadcastReceiver extends BroadcastReceiver { 576 @Override 577 public void onReceive(Context context, Intent intent) { 578 final String action = intent.getAction(); 579 if (Intent.ACTION_CLOSE_SYSTEM_DIALOGS.equals(action)) { 580 hideInputMethodMenu(); 581 // No need to update mIsInteractive 582 return; 583 } else if (Intent.ACTION_USER_ADDED.equals(action) 584 || Intent.ACTION_USER_REMOVED.equals(action)) { 585 updateCurrentProfileIds(); 586 return; 587 } else if (Intent.ACTION_SETTING_RESTORED.equals(action)) { 588 final String name = intent.getStringExtra(Intent.EXTRA_SETTING_NAME); 589 if (Settings.Secure.ENABLED_INPUT_METHODS.equals(name)) { 590 final String prevValue = intent.getStringExtra( 591 Intent.EXTRA_SETTING_PREVIOUS_VALUE); 592 final String newValue = intent.getStringExtra( 593 Intent.EXTRA_SETTING_NEW_VALUE); 594 restoreEnabledInputMethods(mContext, prevValue, newValue); 595 } 596 } else if (Intent.ACTION_LOCALE_CHANGED.equals(action)) { 597 synchronized (mMethodMap) { 598 resetStateIfCurrentLocaleChangedLocked(); 599 } 600 } else { 601 Slog.w(TAG, "Unexpected intent " + intent); 602 } 603 } 604 } 605 606 // Apply the results of a restore operation to the set of enabled IMEs. Note that this 607 // does not attempt to validate on the fly with any installed device policy, so must only 608 // be run in the context of initial device setup. 609 // 610 // TODO: Move this method to InputMethodUtils with adding unit tests. 611 static void restoreEnabledInputMethods(Context context, String prevValue, String newValue) { 612 if (DEBUG_RESTORE) { 613 Slog.i(TAG, "Restoring enabled input methods:"); 614 Slog.i(TAG, "prev=" + prevValue); 615 Slog.i(TAG, " new=" + newValue); 616 } 617 // 'new' is the just-restored state, 'prev' is what was in settings prior to the restore 618 ArrayMap<String, ArraySet<String>> prevMap = 619 InputMethodUtils.parseInputMethodsAndSubtypesString(prevValue); 620 ArrayMap<String, ArraySet<String>> newMap = 621 InputMethodUtils.parseInputMethodsAndSubtypesString(newValue); 622 623 // Merge the restored ime+subtype enabled states into the live state 624 for (ArrayMap.Entry<String, ArraySet<String>> entry : newMap.entrySet()) { 625 final String imeId = entry.getKey(); 626 ArraySet<String> prevSubtypes = prevMap.get(imeId); 627 if (prevSubtypes == null) { 628 prevSubtypes = new ArraySet<>(2); 629 prevMap.put(imeId, prevSubtypes); 630 } 631 prevSubtypes.addAll(entry.getValue()); 632 } 633 634 final String mergedImesAndSubtypesString = 635 InputMethodUtils.buildInputMethodsAndSubtypesString(prevMap); 636 if (DEBUG_RESTORE) { 637 Slog.i(TAG, "Merged IME string:"); 638 Slog.i(TAG, " " + mergedImesAndSubtypesString); 639 } 640 Settings.Secure.putString(context.getContentResolver(), 641 Settings.Secure.ENABLED_INPUT_METHODS, mergedImesAndSubtypesString); 642 } 643 644 final class MyPackageMonitor extends PackageMonitor { 645 /** 646 * Set of packages to be monitored. 647 * 648 * <p>No need to include packages because of direct-boot unaware IMEs since we always rescan 649 * all the packages when the user is unlocked, and direct-boot awareness will not be changed 650 * dynamically unless the entire package is updated, which also always triggers package 651 * rescanning.</p> 652 */ 653 @GuardedBy("mMethodMap") 654 private ArraySet<String> mPackagesToMonitorComponentChange = new ArraySet<>(); 655 656 @GuardedBy("mMethodMap") 657 void clearPackagesToMonitorComponentChangeLocked() { 658 mPackagesToMonitorComponentChange.clear(); 659 } 660 661 @GuardedBy("mMethodMap") 662 final void addPackageToMonitorComponentChangeLocked(@NonNull String packageName) { 663 mPackagesToMonitorComponentChange.add(packageName); 664 } 665 666 private boolean isChangingPackagesOfCurrentUser() { 667 final int userId = getChangingUserId(); 668 final boolean retval = userId == mSettings.getCurrentUserId(); 669 if (DEBUG) { 670 if (!retval) { 671 Slog.d(TAG, "--- ignore this call back from a background user: " + userId); 672 } 673 } 674 return retval; 675 } 676 677 @Override 678 public boolean onHandleForceStop(Intent intent, String[] packages, int uid, boolean doit) { 679 if (!isChangingPackagesOfCurrentUser()) { 680 return false; 681 } 682 synchronized (mMethodMap) { 683 String curInputMethodId = mSettings.getSelectedInputMethod(); 684 final int N = mMethodList.size(); 685 if (curInputMethodId != null) { 686 for (int i=0; i<N; i++) { 687 InputMethodInfo imi = mMethodList.get(i); 688 if (imi.getId().equals(curInputMethodId)) { 689 for (String pkg : packages) { 690 if (imi.getPackageName().equals(pkg)) { 691 if (!doit) { 692 return true; 693 } 694 resetSelectedInputMethodAndSubtypeLocked(""); 695 chooseNewDefaultIMELocked(); 696 return true; 697 } 698 } 699 } 700 } 701 } 702 } 703 return false; 704 } 705 706 @Override 707 public boolean onPackageChanged(String packageName, int uid, String[] components) { 708 // If this package is in the watch list, we want to check it. 709 synchronized (mMethodMap) { 710 return mPackagesToMonitorComponentChange.contains(packageName); 711 } 712 } 713 714 @Override 715 public void onSomePackagesChanged() { 716 if (!isChangingPackagesOfCurrentUser()) { 717 return; 718 } 719 synchronized (mMethodMap) { 720 InputMethodInfo curIm = null; 721 String curInputMethodId = mSettings.getSelectedInputMethod(); 722 final int N = mMethodList.size(); 723 if (curInputMethodId != null) { 724 for (int i=0; i<N; i++) { 725 InputMethodInfo imi = mMethodList.get(i); 726 final String imiId = imi.getId(); 727 if (imiId.equals(curInputMethodId)) { 728 curIm = imi; 729 } 730 731 int change = isPackageDisappearing(imi.getPackageName()); 732 if (isPackageModified(imi.getPackageName())) { 733 mFileManager.deleteAllInputMethodSubtypes(imiId); 734 } 735 if (change == PACKAGE_TEMPORARY_CHANGE 736 || change == PACKAGE_PERMANENT_CHANGE) { 737 Slog.i(TAG, "Input method uninstalled, disabling: " 738 + imi.getComponent()); 739 setInputMethodEnabledLocked(imi.getId(), false); 740 } 741 } 742 } 743 744 buildInputMethodListLocked(false /* resetDefaultEnabledIme */); 745 746 boolean changed = false; 747 748 if (curIm != null) { 749 int change = isPackageDisappearing(curIm.getPackageName()); 750 if (change == PACKAGE_TEMPORARY_CHANGE 751 || change == PACKAGE_PERMANENT_CHANGE) { 752 ServiceInfo si = null; 753 try { 754 si = mIPackageManager.getServiceInfo( 755 curIm.getComponent(), 0, mSettings.getCurrentUserId()); 756 } catch (RemoteException ex) { 757 } 758 if (si == null) { 759 // Uh oh, current input method is no longer around! 760 // Pick another one... 761 Slog.i(TAG, "Current input method removed: " + curInputMethodId); 762 updateSystemUiLocked(mCurToken, 0 /* vis */, mBackDisposition); 763 if (!chooseNewDefaultIMELocked()) { 764 changed = true; 765 curIm = null; 766 Slog.i(TAG, "Unsetting current input method"); 767 resetSelectedInputMethodAndSubtypeLocked(""); 768 } 769 } 770 } 771 } 772 773 if (curIm == null) { 774 // We currently don't have a default input method... is 775 // one now available? 776 changed = chooseNewDefaultIMELocked(); 777 } else if (!changed && isPackageModified(curIm.getPackageName())) { 778 // Even if the current input method is still available, mCurrentSubtype could 779 // be obsolete when the package is modified in practice. 780 changed = true; 781 } 782 783 if (changed) { 784 updateFromSettingsLocked(false); 785 } 786 } 787 } 788 } 789 790 private static final class MethodCallback extends IInputSessionCallback.Stub { 791 private final InputMethodManagerService mParentIMMS; 792 private final IInputMethod mMethod; 793 private final InputChannel mChannel; 794 795 MethodCallback(InputMethodManagerService imms, IInputMethod method, 796 InputChannel channel) { 797 mParentIMMS = imms; 798 mMethod = method; 799 mChannel = channel; 800 } 801 802 @Override 803 public void sessionCreated(IInputMethodSession session) { 804 long ident = Binder.clearCallingIdentity(); 805 try { 806 mParentIMMS.onSessionCreated(mMethod, session, mChannel); 807 } finally { 808 Binder.restoreCallingIdentity(ident); 809 } 810 } 811 } 812 813 private class HardKeyboardListener 814 implements WindowManagerInternal.OnHardKeyboardStatusChangeListener { 815 @Override 816 public void onHardKeyboardStatusChange(boolean available) { 817 mHandler.sendMessage(mHandler.obtainMessage(MSG_HARD_KEYBOARD_SWITCH_CHANGED, 818 available ? 1 : 0)); 819 } 820 821 public void handleHardKeyboardStatusChange(boolean available) { 822 if (DEBUG) { 823 Slog.w(TAG, "HardKeyboardStatusChanged: available=" + available); 824 } 825 synchronized(mMethodMap) { 826 if (mSwitchingDialog != null && mSwitchingDialogTitleView != null 827 && mSwitchingDialog.isShowing()) { 828 mSwitchingDialogTitleView.findViewById( 829 com.android.internal.R.id.hard_keyboard_section).setVisibility( 830 available ? View.VISIBLE : View.GONE); 831 } 832 } 833 } 834 } 835 836 public static final class Lifecycle extends SystemService { 837 private InputMethodManagerService mService; 838 839 public Lifecycle(Context context) { 840 super(context); 841 mService = new InputMethodManagerService(context); 842 } 843 844 @Override 845 public void onStart() { 846 LocalServices.addService(InputMethodManagerInternal.class, 847 new LocalServiceImpl(mService.mHandler)); 848 publishBinderService(Context.INPUT_METHOD_SERVICE, mService); 849 } 850 851 @Override 852 public void onSwitchUser(@UserIdInt int userHandle) { 853 // Called on ActivityManager thread. 854 // TODO: Dispatch this to a worker thread as needed. 855 mService.onSwitchUser(userHandle); 856 } 857 858 @Override 859 public void onBootPhase(int phase) { 860 // Called on ActivityManager thread. 861 // TODO: Dispatch this to a worker thread as needed. 862 if (phase == SystemService.PHASE_ACTIVITY_MANAGER_READY) { 863 StatusBarManagerService statusBarService = (StatusBarManagerService) ServiceManager 864 .getService(Context.STATUS_BAR_SERVICE); 865 mService.systemRunning(statusBarService); 866 } 867 } 868 869 @Override 870 public void onUnlockUser(final @UserIdInt int userHandle) { 871 // Called on ActivityManager thread. 872 mService.mHandler.sendMessage(mService.mHandler.obtainMessage(MSG_SYSTEM_UNLOCK_USER, 873 userHandle /* arg1 */, 0 /* arg2 */)); 874 } 875 } 876 877 void onUnlockUser(@UserIdInt int userId) { 878 synchronized(mMethodMap) { 879 final int currentUserId = mSettings.getCurrentUserId(); 880 if (DEBUG) { 881 Slog.d(TAG, "onUnlockUser: userId=" + userId + " curUserId=" + currentUserId); 882 } 883 if (userId != currentUserId) { 884 return; 885 } 886 mSettings.switchCurrentUser(currentUserId, !mSystemReady); 887 if (mSystemReady) { 888 // We need to rebuild IMEs. 889 buildInputMethodListLocked(false /* resetDefaultEnabledIme */); 890 updateInputMethodsFromSettingsLocked(true /* enabledChanged */); 891 } 892 } 893 } 894 895 void onSwitchUser(@UserIdInt int userId) { 896 synchronized (mMethodMap) { 897 switchUserLocked(userId); 898 } 899 } 900 901 public InputMethodManagerService(Context context) { 902 mIPackageManager = AppGlobals.getPackageManager(); 903 mContext = context; 904 mRes = context.getResources(); 905 mHandler = new Handler(this); 906 // Note: SettingsObserver doesn't register observers in its constructor. 907 mSettingsObserver = new SettingsObserver(mHandler); 908 mIWindowManager = IWindowManager.Stub.asInterface( 909 ServiceManager.getService(Context.WINDOW_SERVICE)); 910 mWindowManagerInternal = LocalServices.getService(WindowManagerInternal.class); 911 mCaller = new HandlerCaller(context, null, new HandlerCaller.Callback() { 912 @Override 913 public void executeMessage(Message msg) { 914 handleMessage(msg); 915 } 916 }, true /*asyncHandler*/); 917 mAppOpsManager = mContext.getSystemService(AppOpsManager.class); 918 mUserManager = mContext.getSystemService(UserManager.class); 919 mHardKeyboardListener = new HardKeyboardListener(); 920 mHasFeature = context.getPackageManager().hasSystemFeature( 921 PackageManager.FEATURE_INPUT_METHODS); 922 mSlotIme = mContext.getString(com.android.internal.R.string.status_bar_ime); 923 mHardKeyboardBehavior = mContext.getResources().getInteger( 924 com.android.internal.R.integer.config_externalHardKeyboardBehavior); 925 926 Bundle extras = new Bundle(); 927 extras.putBoolean(Notification.EXTRA_ALLOW_DURING_SETUP, true); 928 mImeSwitcherNotification = new Notification.Builder(mContext) 929 .setSmallIcon(com.android.internal.R.drawable.ic_notification_ime_default) 930 .setWhen(0) 931 .setOngoing(true) 932 .addExtras(extras) 933 .setCategory(Notification.CATEGORY_SYSTEM) 934 .setColor(com.android.internal.R.color.system_notification_accent_color); 935 936 Intent intent = new Intent(Settings.ACTION_SHOW_INPUT_METHOD_PICKER); 937 mImeSwitchPendingIntent = PendingIntent.getBroadcast(mContext, 0, intent, 0); 938 939 mShowOngoingImeSwitcherForPhones = false; 940 941 mNotificationShown = false; 942 int userId = 0; 943 try { 944 userId = ActivityManager.getService().getCurrentUser().id; 945 } catch (RemoteException e) { 946 Slog.w(TAG, "Couldn't get current user ID; guessing it's 0", e); 947 } 948 949 // mSettings should be created before buildInputMethodListLocked 950 mSettings = new InputMethodSettings( 951 mRes, context.getContentResolver(), mMethodMap, mMethodList, userId, !mSystemReady); 952 953 updateCurrentProfileIds(); 954 mFileManager = new InputMethodFileManager(mMethodMap, userId); 955 mSwitchingController = InputMethodSubtypeSwitchingController.createInstanceLocked( 956 mSettings, context); 957 } 958 959 private void resetDefaultImeLocked(Context context) { 960 // Do not reset the default (current) IME when it is a 3rd-party IME 961 if (mCurMethodId != null && !InputMethodUtils.isSystemIme(mMethodMap.get(mCurMethodId))) { 962 return; 963 } 964 final List<InputMethodInfo> suitableImes = InputMethodUtils.getDefaultEnabledImes( 965 context, mSettings.getEnabledInputMethodListLocked()); 966 if (suitableImes.isEmpty()) { 967 Slog.i(TAG, "No default found"); 968 return; 969 } 970 final InputMethodInfo defIm = suitableImes.get(0); 971 if (DEBUG) { 972 Slog.i(TAG, "Default found, using " + defIm.getId()); 973 } 974 setSelectedInputMethodAndSubtypeLocked(defIm, NOT_A_SUBTYPE_ID, false); 975 } 976 977 private void resetAllInternalStateLocked(final boolean updateOnlyWhenLocaleChanged, 978 final boolean resetDefaultEnabledIme) { 979 if (!mSystemReady) { 980 // not system ready 981 return; 982 } 983 final LocaleList newLocales = mRes.getConfiguration().getLocales(); 984 if (!updateOnlyWhenLocaleChanged 985 || (newLocales != null && !newLocales.equals(mLastSystemLocales))) { 986 if (!updateOnlyWhenLocaleChanged) { 987 hideCurrentInputLocked(0, null); 988 resetCurrentMethodAndClient(InputMethodClient.UNBIND_REASON_RESET_IME); 989 } 990 if (DEBUG) { 991 Slog.i(TAG, "LocaleList has been changed to " + newLocales); 992 } 993 buildInputMethodListLocked(resetDefaultEnabledIme); 994 if (!updateOnlyWhenLocaleChanged) { 995 final String selectedImiId = mSettings.getSelectedInputMethod(); 996 if (TextUtils.isEmpty(selectedImiId)) { 997 // This is the first time of the user switch and 998 // set the current ime to the proper one. 999 resetDefaultImeLocked(mContext); 1000 } 1001 } else { 1002 // If the locale is changed, needs to reset the default ime 1003 resetDefaultImeLocked(mContext); 1004 } 1005 updateFromSettingsLocked(true); 1006 mLastSystemLocales = newLocales; 1007 if (!updateOnlyWhenLocaleChanged) { 1008 try { 1009 startInputInnerLocked(); 1010 } catch (RuntimeException e) { 1011 Slog.w(TAG, "Unexpected exception", e); 1012 } 1013 } 1014 } 1015 } 1016 1017 private void resetStateIfCurrentLocaleChangedLocked() { 1018 resetAllInternalStateLocked(true /* updateOnlyWhenLocaleChanged */, 1019 true /* resetDefaultImeLocked */); 1020 } 1021 1022 private void switchUserLocked(int newUserId) { 1023 if (DEBUG) Slog.d(TAG, "Switching user stage 1/3. newUserId=" + newUserId 1024 + " currentUserId=" + mSettings.getCurrentUserId()); 1025 1026 // ContentObserver should be registered again when the user is changed 1027 mSettingsObserver.registerContentObserverLocked(newUserId); 1028 1029 // If the system is not ready or the device is not yed unlocked by the user, then we use 1030 // copy-on-write settings. 1031 final boolean useCopyOnWriteSettings = 1032 !mSystemReady || !mUserManager.isUserUnlockingOrUnlocked(newUserId); 1033 mSettings.switchCurrentUser(newUserId, useCopyOnWriteSettings); 1034 updateCurrentProfileIds(); 1035 // InputMethodFileManager should be reset when the user is changed 1036 mFileManager = new InputMethodFileManager(mMethodMap, newUserId); 1037 final String defaultImiId = mSettings.getSelectedInputMethod(); 1038 1039 if (DEBUG) Slog.d(TAG, "Switching user stage 2/3. newUserId=" + newUserId 1040 + " defaultImiId=" + defaultImiId); 1041 1042 // For secondary users, the list of enabled IMEs may not have been updated since the 1043 // callbacks to PackageMonitor are ignored for the secondary user. Here, defaultImiId may 1044 // not be empty even if the IME has been uninstalled by the primary user. 1045 // Even in such cases, IMMS works fine because it will find the most applicable 1046 // IME for that user. 1047 final boolean initialUserSwitch = TextUtils.isEmpty(defaultImiId); 1048 resetAllInternalStateLocked(false /* updateOnlyWhenLocaleChanged */, 1049 initialUserSwitch /* needsToResetDefaultIme */); 1050 if (initialUserSwitch) { 1051 InputMethodUtils.setNonSelectedSystemImesDisabledUntilUsed(mIPackageManager, 1052 mSettings.getEnabledInputMethodListLocked(), newUserId, 1053 mContext.getBasePackageName()); 1054 } 1055 1056 if (DEBUG) Slog.d(TAG, "Switching user stage 3/3. newUserId=" + newUserId 1057 + " selectedIme=" + mSettings.getSelectedInputMethod()); 1058 } 1059 1060 void updateCurrentProfileIds() { 1061 mSettings.setCurrentProfileIds( 1062 mUserManager.getProfileIdsWithDisabled(mSettings.getCurrentUserId())); 1063 } 1064 1065 @Override 1066 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 1067 throws RemoteException { 1068 try { 1069 return super.onTransact(code, data, reply, flags); 1070 } catch (RuntimeException e) { 1071 // The input method manager only throws security exceptions, so let's 1072 // log all others. 1073 if (!(e instanceof SecurityException)) { 1074 Slog.wtf(TAG, "Input Method Manager Crash", e); 1075 } 1076 throw e; 1077 } 1078 } 1079 1080 public void systemRunning(StatusBarManagerService statusBar) { 1081 synchronized (mMethodMap) { 1082 if (DEBUG) { 1083 Slog.d(TAG, "--- systemReady"); 1084 } 1085 if (!mSystemReady) { 1086 mSystemReady = true; 1087 mLastSystemLocales = mRes.getConfiguration().getLocales(); 1088 final int currentUserId = mSettings.getCurrentUserId(); 1089 mSettings.switchCurrentUser(currentUserId, 1090 !mUserManager.isUserUnlockingOrUnlocked(currentUserId)); 1091 mKeyguardManager = mContext.getSystemService(KeyguardManager.class); 1092 mNotificationManager = mContext.getSystemService(NotificationManager.class); 1093 mStatusBar = statusBar; 1094 if (mStatusBar != null) { 1095 mStatusBar.setIconVisibility(mSlotIme, false); 1096 } 1097 updateSystemUiLocked(mCurToken, mImeWindowVis, mBackDisposition); 1098 mShowOngoingImeSwitcherForPhones = mRes.getBoolean( 1099 com.android.internal.R.bool.show_ongoing_ime_switcher); 1100 if (mShowOngoingImeSwitcherForPhones) { 1101 mWindowManagerInternal.setOnHardKeyboardStatusChangeListener( 1102 mHardKeyboardListener); 1103 } 1104 1105 mMyPackageMonitor.register(mContext, null, UserHandle.ALL, true); 1106 mSettingsObserver.registerContentObserverLocked(currentUserId); 1107 1108 final IntentFilter broadcastFilter = new IntentFilter(); 1109 broadcastFilter.addAction(Intent.ACTION_CLOSE_SYSTEM_DIALOGS); 1110 broadcastFilter.addAction(Intent.ACTION_USER_ADDED); 1111 broadcastFilter.addAction(Intent.ACTION_USER_REMOVED); 1112 broadcastFilter.addAction(Intent.ACTION_SETTING_RESTORED); 1113 broadcastFilter.addAction(Intent.ACTION_LOCALE_CHANGED); 1114 mContext.registerReceiver(new ImmsBroadcastReceiver(), broadcastFilter); 1115 1116 buildInputMethodListLocked(true /* resetDefaultEnabledIme */); 1117 resetDefaultImeLocked(mContext); 1118 updateFromSettingsLocked(true); 1119 InputMethodUtils.setNonSelectedSystemImesDisabledUntilUsed(mIPackageManager, 1120 mSettings.getEnabledInputMethodListLocked(), currentUserId, 1121 mContext.getBasePackageName()); 1122 1123 try { 1124 startInputInnerLocked(); 1125 } catch (RuntimeException e) { 1126 Slog.w(TAG, "Unexpected exception", e); 1127 } 1128 } 1129 } 1130 } 1131 1132 // --------------------------------------------------------------------------------------- 1133 // Check whether or not this is a valid IPC. Assumes an IPC is valid when either 1134 // 1) it comes from the system process 1135 // 2) the calling process' user id is identical to the current user id IMMS thinks. 1136 private boolean calledFromValidUser() { 1137 final int uid = Binder.getCallingUid(); 1138 final int userId = UserHandle.getUserId(uid); 1139 if (DEBUG) { 1140 Slog.d(TAG, "--- calledFromForegroundUserOrSystemProcess ? " 1141 + "calling uid = " + uid + " system uid = " + Process.SYSTEM_UID 1142 + " calling userId = " + userId + ", foreground user id = " 1143 + mSettings.getCurrentUserId() + ", calling pid = " + Binder.getCallingPid() 1144 + InputMethodUtils.getApiCallStack()); 1145 } 1146 if (uid == Process.SYSTEM_UID || mSettings.isCurrentProfile(userId)) { 1147 return true; 1148 } 1149 1150 // Caveat: A process which has INTERACT_ACROSS_USERS_FULL gets results for the 1151 // foreground user, not for the user of that process. Accordingly InputMethodManagerService 1152 // must not manage background users' states in any functions. 1153 // Note that privacy-sensitive IPCs, such as setInputMethod, are still securely guarded 1154 // by a token. 1155 if (mContext.checkCallingOrSelfPermission( 1156 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL) 1157 == PackageManager.PERMISSION_GRANTED) { 1158 if (DEBUG) { 1159 Slog.d(TAG, "--- Access granted because the calling process has " 1160 + "the INTERACT_ACROSS_USERS_FULL permission"); 1161 } 1162 return true; 1163 } 1164 // TODO(b/34886274): The semantics of this verification is actually not well-defined. 1165 Slog.w(TAG, "--- IPC called from background users. Ignore. callers=" 1166 + Debug.getCallers(10)); 1167 return false; 1168 } 1169 1170 1171 /** 1172 * Returns true iff the caller is identified to be the current input method with the token. 1173 * @param token The window token given to the input method when it was started. 1174 * @return true if and only if non-null valid token is specified. 1175 */ 1176 private boolean calledWithValidToken(@Nullable IBinder token) { 1177 if (token == null && Binder.getCallingPid() == Process.myPid()) { 1178 if (DEBUG) { 1179 // TODO(b/34851776): Basically it's the caller's fault if we reach here. 1180 Slog.d(TAG, "Bug 34851776 is detected callers=" + Debug.getCallers(10)); 1181 } 1182 return false; 1183 } 1184 if (token == null || token != mCurToken) { 1185 // TODO(b/34886274): The semantics of this verification is actually not well-defined. 1186 Slog.e(TAG, "Ignoring " + Debug.getCaller() + " due to an invalid token." 1187 + " uid:" + Binder.getCallingUid() + " token:" + token); 1188 return false; 1189 } 1190 return true; 1191 } 1192 1193 private boolean bindCurrentInputMethodService( 1194 Intent service, ServiceConnection conn, int flags) { 1195 if (service == null || conn == null) { 1196 Slog.e(TAG, "--- bind failed: service = " + service + ", conn = " + conn); 1197 return false; 1198 } 1199 return mContext.bindServiceAsUser(service, conn, flags, 1200 new UserHandle(mSettings.getCurrentUserId())); 1201 } 1202 1203 @Override 1204 public List<InputMethodInfo> getInputMethodList() { 1205 // TODO: Make this work even for non-current users? 1206 if (!calledFromValidUser()) { 1207 return Collections.emptyList(); 1208 } 1209 synchronized (mMethodMap) { 1210 return new ArrayList<>(mMethodList); 1211 } 1212 } 1213 1214 @Override 1215 public List<InputMethodInfo> getEnabledInputMethodList() { 1216 // TODO: Make this work even for non-current users? 1217 if (!calledFromValidUser()) { 1218 return Collections.emptyList(); 1219 } 1220 synchronized (mMethodMap) { 1221 return mSettings.getEnabledInputMethodListLocked(); 1222 } 1223 } 1224 1225 /** 1226 * @param imiId if null, returns enabled subtypes for the current imi 1227 * @return enabled subtypes of the specified imi 1228 */ 1229 @Override 1230 public List<InputMethodSubtype> getEnabledInputMethodSubtypeList(String imiId, 1231 boolean allowsImplicitlySelectedSubtypes) { 1232 // TODO: Make this work even for non-current users? 1233 if (!calledFromValidUser()) { 1234 return Collections.emptyList(); 1235 } 1236 synchronized (mMethodMap) { 1237 final InputMethodInfo imi; 1238 if (imiId == null && mCurMethodId != null) { 1239 imi = mMethodMap.get(mCurMethodId); 1240 } else { 1241 imi = mMethodMap.get(imiId); 1242 } 1243 if (imi == null) { 1244 return Collections.emptyList(); 1245 } 1246 return mSettings.getEnabledInputMethodSubtypeListLocked( 1247 mContext, imi, allowsImplicitlySelectedSubtypes); 1248 } 1249 } 1250 1251 @Override 1252 public void addClient(IInputMethodClient client, 1253 IInputContext inputContext, int uid, int pid) { 1254 if (!calledFromValidUser()) { 1255 return; 1256 } 1257 synchronized (mMethodMap) { 1258 mClients.put(client.asBinder(), new ClientState(client, 1259 inputContext, uid, pid)); 1260 } 1261 } 1262 1263 @Override 1264 public void removeClient(IInputMethodClient client) { 1265 if (!calledFromValidUser()) { 1266 return; 1267 } 1268 synchronized (mMethodMap) { 1269 ClientState cs = mClients.remove(client.asBinder()); 1270 if (cs != null) { 1271 clearClientSessionLocked(cs); 1272 if (mCurClient == cs) { 1273 mCurClient = null; 1274 } 1275 if (mCurFocusedWindowClient == cs) { 1276 mCurFocusedWindowClient = null; 1277 } 1278 } 1279 } 1280 } 1281 1282 void executeOrSendMessage(IInterface target, Message msg) { 1283 if (target.asBinder() instanceof Binder) { 1284 mCaller.sendMessage(msg); 1285 } else { 1286 handleMessage(msg); 1287 msg.recycle(); 1288 } 1289 } 1290 1291 void unbindCurrentClientLocked( 1292 /* @InputMethodClient.UnbindReason */ final int unbindClientReason) { 1293 if (mCurClient != null) { 1294 if (DEBUG) Slog.v(TAG, "unbindCurrentInputLocked: client=" 1295 + mCurClient.client.asBinder()); 1296 if (mBoundToMethod) { 1297 mBoundToMethod = false; 1298 if (mCurMethod != null) { 1299 executeOrSendMessage(mCurMethod, mCaller.obtainMessageO( 1300 MSG_UNBIND_INPUT, mCurMethod)); 1301 } 1302 } 1303 1304 executeOrSendMessage(mCurClient.client, mCaller.obtainMessageIIO( 1305 MSG_SET_ACTIVE, 0, 0, mCurClient)); 1306 executeOrSendMessage(mCurClient.client, mCaller.obtainMessageIIO( 1307 MSG_UNBIND_CLIENT, mCurSeq, unbindClientReason, mCurClient.client)); 1308 mCurClient.sessionRequested = false; 1309 mCurClient = null; 1310 1311 hideInputMethodMenuLocked(); 1312 } 1313 } 1314 1315 private int getImeShowFlags() { 1316 int flags = 0; 1317 if (mShowForced) { 1318 flags |= InputMethod.SHOW_FORCED 1319 | InputMethod.SHOW_EXPLICIT; 1320 } else if (mShowExplicitlyRequested) { 1321 flags |= InputMethod.SHOW_EXPLICIT; 1322 } 1323 return flags; 1324 } 1325 1326 private int getAppShowFlags() { 1327 int flags = 0; 1328 if (mShowForced) { 1329 flags |= InputMethodManager.SHOW_FORCED; 1330 } else if (!mShowExplicitlyRequested) { 1331 flags |= InputMethodManager.SHOW_IMPLICIT; 1332 } 1333 return flags; 1334 } 1335 1336 InputBindResult attachNewInputLocked( 1337 /* @InputMethodClient.StartInputReason */ final int startInputReason, boolean initial) { 1338 if (!mBoundToMethod) { 1339 executeOrSendMessage(mCurMethod, mCaller.obtainMessageOO( 1340 MSG_BIND_INPUT, mCurMethod, mCurClient.binding)); 1341 mBoundToMethod = true; 1342 } 1343 final SessionState session = mCurClient.curSession; 1344 if (initial) { 1345 executeOrSendMessage(session.method, mCaller.obtainMessageIOOO( 1346 MSG_START_INPUT, mCurInputContextMissingMethods, session, mCurInputContext, 1347 mCurAttribute)); 1348 } else { 1349 executeOrSendMessage(session.method, mCaller.obtainMessageIOOO( 1350 MSG_RESTART_INPUT, mCurInputContextMissingMethods, session, mCurInputContext, 1351 mCurAttribute)); 1352 } 1353 if (mShowRequested) { 1354 if (DEBUG) Slog.v(TAG, "Attach new input asks to show input"); 1355 showCurrentInputLocked(getAppShowFlags(), null); 1356 } 1357 return new InputBindResult(session.session, 1358 (session.channel != null ? session.channel.dup() : null), 1359 mCurId, mCurSeq, mCurUserActionNotificationSequenceNumber); 1360 } 1361 1362 InputBindResult startInputLocked( 1363 /* @InputMethodClient.StartInputReason */ final int startInputReason, 1364 IInputMethodClient client, IInputContext inputContext, 1365 /* @InputConnectionInspector.missingMethods */ final int missingMethods, 1366 @Nullable EditorInfo attribute, int controlFlags) { 1367 // If no method is currently selected, do nothing. 1368 if (mCurMethodId == null) { 1369 return mNoBinding; 1370 } 1371 1372 ClientState cs = mClients.get(client.asBinder()); 1373 if (cs == null) { 1374 throw new IllegalArgumentException("unknown client " 1375 + client.asBinder()); 1376 } 1377 1378 if (attribute == null) { 1379 Slog.w(TAG, "Ignoring startInput with null EditorInfo." 1380 + " uid=" + cs.uid + " pid=" + cs.pid); 1381 return null; 1382 } 1383 1384 try { 1385 if (!mIWindowManager.inputMethodClientHasFocus(cs.client)) { 1386 // Check with the window manager to make sure this client actually 1387 // has a window with focus. If not, reject. This is thread safe 1388 // because if the focus changes some time before or after, the 1389 // next client receiving focus that has any interest in input will 1390 // be calling through here after that change happens. 1391 if (DEBUG) { 1392 Slog.w(TAG, "Starting input on non-focused client " + cs.client 1393 + " (uid=" + cs.uid + " pid=" + cs.pid + ")"); 1394 } 1395 return null; 1396 } 1397 } catch (RemoteException e) { 1398 } 1399 1400 return startInputUncheckedLocked(cs, inputContext, missingMethods, attribute, 1401 controlFlags, startInputReason); 1402 } 1403 1404 InputBindResult startInputUncheckedLocked(@NonNull ClientState cs, IInputContext inputContext, 1405 /* @InputConnectionInspector.missingMethods */ final int missingMethods, 1406 @NonNull EditorInfo attribute, int controlFlags, 1407 /* @InputMethodClient.StartInputReason */ final int startInputReason) { 1408 // If no method is currently selected, do nothing. 1409 if (mCurMethodId == null) { 1410 return mNoBinding; 1411 } 1412 1413 if (!InputMethodUtils.checkIfPackageBelongsToUid(mAppOpsManager, cs.uid, 1414 attribute.packageName)) { 1415 Slog.e(TAG, "Rejecting this client as it reported an invalid package name." 1416 + " uid=" + cs.uid + " package=" + attribute.packageName); 1417 return mNoBinding; 1418 } 1419 1420 if (mCurClient != cs) { 1421 // Was the keyguard locked when switching over to the new client? 1422 mCurClientInKeyguard = isKeyguardLocked(); 1423 // If the client is changing, we need to switch over to the new 1424 // one. 1425 unbindCurrentClientLocked(InputMethodClient.UNBIND_REASON_SWITCH_CLIENT); 1426 if (DEBUG) Slog.v(TAG, "switching to client: client=" 1427 + cs.client.asBinder() + " keyguard=" + mCurClientInKeyguard); 1428 1429 // If the screen is on, inform the new client it is active 1430 if (mIsInteractive) { 1431 executeOrSendMessage(cs.client, mCaller.obtainMessageIO( 1432 MSG_SET_ACTIVE, mIsInteractive ? 1 : 0, cs)); 1433 } 1434 } 1435 1436 // Bump up the sequence for this client and attach it. 1437 mCurSeq++; 1438 if (mCurSeq <= 0) mCurSeq = 1; 1439 mCurClient = cs; 1440 mCurInputContext = inputContext; 1441 mCurInputContextMissingMethods = missingMethods; 1442 mCurAttribute = attribute; 1443 1444 // Check if the input method is changing. 1445 if (mCurId != null && mCurId.equals(mCurMethodId)) { 1446 if (cs.curSession != null) { 1447 // Fast case: if we are already connected to the input method, 1448 // then just return it. 1449 return attachNewInputLocked(startInputReason, 1450 (controlFlags&InputMethodManager.CONTROL_START_INITIAL) != 0); 1451 } 1452 if (mHaveConnection) { 1453 if (mCurMethod != null) { 1454 // Return to client, and we will get back with it when 1455 // we have had a session made for it. 1456 requestClientSessionLocked(cs); 1457 return new InputBindResult(null, null, mCurId, mCurSeq, 1458 mCurUserActionNotificationSequenceNumber); 1459 } else if (SystemClock.uptimeMillis() 1460 < (mLastBindTime+TIME_TO_RECONNECT)) { 1461 // In this case we have connected to the service, but 1462 // don't yet have its interface. If it hasn't been too 1463 // long since we did the connection, we'll return to 1464 // the client and wait to get the service interface so 1465 // we can report back. If it has been too long, we want 1466 // to fall through so we can try a disconnect/reconnect 1467 // to see if we can get back in touch with the service. 1468 return new InputBindResult(null, null, mCurId, mCurSeq, 1469 mCurUserActionNotificationSequenceNumber); 1470 } else { 1471 EventLog.writeEvent(EventLogTags.IMF_FORCE_RECONNECT_IME, 1472 mCurMethodId, SystemClock.uptimeMillis()-mLastBindTime, 0); 1473 } 1474 } 1475 } 1476 1477 return startInputInnerLocked(); 1478 } 1479 1480 InputBindResult startInputInnerLocked() { 1481 if (mCurMethodId == null) { 1482 return mNoBinding; 1483 } 1484 1485 if (!mSystemReady) { 1486 // If the system is not yet ready, we shouldn't be running third 1487 // party code. 1488 return new InputBindResult(null, null, mCurMethodId, mCurSeq, 1489 mCurUserActionNotificationSequenceNumber); 1490 } 1491 1492 InputMethodInfo info = mMethodMap.get(mCurMethodId); 1493 if (info == null) { 1494 throw new IllegalArgumentException("Unknown id: " + mCurMethodId); 1495 } 1496 1497 unbindCurrentMethodLocked(true); 1498 1499 mCurIntent = new Intent(InputMethod.SERVICE_INTERFACE); 1500 mCurIntent.setComponent(info.getComponent()); 1501 mCurIntent.putExtra(Intent.EXTRA_CLIENT_LABEL, 1502 com.android.internal.R.string.input_method_binding_label); 1503 mCurIntent.putExtra(Intent.EXTRA_CLIENT_INTENT, PendingIntent.getActivity( 1504 mContext, 0, new Intent(Settings.ACTION_INPUT_METHOD_SETTINGS), 0)); 1505 if (bindCurrentInputMethodService(mCurIntent, this, Context.BIND_AUTO_CREATE 1506 | Context.BIND_NOT_VISIBLE | Context.BIND_NOT_FOREGROUND 1507 | Context.BIND_SHOWING_UI)) { 1508 mLastBindTime = SystemClock.uptimeMillis(); 1509 mHaveConnection = true; 1510 mCurId = info.getId(); 1511 mCurToken = new Binder(); 1512 try { 1513 if (DEBUG) Slog.v(TAG, "Adding window token: " + mCurToken); 1514 mIWindowManager.addWindowToken(mCurToken, TYPE_INPUT_METHOD, DEFAULT_DISPLAY); 1515 } catch (RemoteException e) { 1516 } 1517 return new InputBindResult(null, null, mCurId, mCurSeq, 1518 mCurUserActionNotificationSequenceNumber); 1519 } else { 1520 mCurIntent = null; 1521 Slog.w(TAG, "Failure connecting to input method service: " 1522 + mCurIntent); 1523 } 1524 return null; 1525 } 1526 1527 private InputBindResult startInput( 1528 /* @InputMethodClient.StartInputReason */ final int startInputReason, 1529 IInputMethodClient client, IInputContext inputContext, 1530 /* @InputConnectionInspector.missingMethods */ final int missingMethods, 1531 @Nullable EditorInfo attribute, int controlFlags) { 1532 if (!calledFromValidUser()) { 1533 return null; 1534 } 1535 synchronized (mMethodMap) { 1536 if (DEBUG) { 1537 Slog.v(TAG, "startInput: reason=" 1538 + InputMethodClient.getStartInputReason(startInputReason) 1539 + " client = " + client.asBinder() 1540 + " inputContext=" + inputContext 1541 + " missingMethods=" 1542 + InputConnectionInspector.getMissingMethodFlagsAsString(missingMethods) 1543 + " attribute=" + attribute 1544 + " controlFlags=#" + Integer.toHexString(controlFlags)); 1545 } 1546 final long ident = Binder.clearCallingIdentity(); 1547 try { 1548 return startInputLocked(startInputReason, client, inputContext, missingMethods, 1549 attribute, controlFlags); 1550 } finally { 1551 Binder.restoreCallingIdentity(ident); 1552 } 1553 } 1554 } 1555 1556 @Override 1557 public void finishInput(IInputMethodClient client) { 1558 } 1559 1560 @Override 1561 public void onServiceConnected(ComponentName name, IBinder service) { 1562 synchronized (mMethodMap) { 1563 if (mCurIntent != null && name.equals(mCurIntent.getComponent())) { 1564 mCurMethod = IInputMethod.Stub.asInterface(service); 1565 if (mCurToken == null) { 1566 Slog.w(TAG, "Service connected without a token!"); 1567 unbindCurrentMethodLocked(false); 1568 return; 1569 } 1570 if (DEBUG) Slog.v(TAG, "Initiating attach with token: " + mCurToken); 1571 executeOrSendMessage(mCurMethod, mCaller.obtainMessageOO( 1572 MSG_ATTACH_TOKEN, mCurMethod, mCurToken)); 1573 if (mCurClient != null) { 1574 clearClientSessionLocked(mCurClient); 1575 requestClientSessionLocked(mCurClient); 1576 } 1577 } 1578 } 1579 } 1580 1581 void onSessionCreated(IInputMethod method, IInputMethodSession session, 1582 InputChannel channel) { 1583 synchronized (mMethodMap) { 1584 if (mCurMethod != null && method != null 1585 && mCurMethod.asBinder() == method.asBinder()) { 1586 if (mCurClient != null) { 1587 clearClientSessionLocked(mCurClient); 1588 mCurClient.curSession = new SessionState(mCurClient, 1589 method, session, channel); 1590 InputBindResult res = attachNewInputLocked( 1591 InputMethodClient.START_INPUT_REASON_SESSION_CREATED_BY_IME, true); 1592 if (res.method != null) { 1593 executeOrSendMessage(mCurClient.client, mCaller.obtainMessageOO( 1594 MSG_BIND_CLIENT, mCurClient.client, res)); 1595 } 1596 return; 1597 } 1598 } 1599 } 1600 1601 // Session abandoned. Close its associated input channel. 1602 channel.dispose(); 1603 } 1604 1605 void unbindCurrentMethodLocked(boolean savePosition) { 1606 if (mVisibleBound) { 1607 mContext.unbindService(mVisibleConnection); 1608 mVisibleBound = false; 1609 } 1610 1611 if (mHaveConnection) { 1612 mContext.unbindService(this); 1613 mHaveConnection = false; 1614 } 1615 1616 if (mCurToken != null) { 1617 try { 1618 if (DEBUG) Slog.v(TAG, "Removing window token: " + mCurToken); 1619 if ((mImeWindowVis & InputMethodService.IME_ACTIVE) != 0 && savePosition) { 1620 // The current IME is shown. Hence an IME switch (transition) is happening. 1621 mWindowManagerInternal.saveLastInputMethodWindowForTransition(); 1622 } 1623 mIWindowManager.removeWindowToken(mCurToken, DEFAULT_DISPLAY); 1624 } catch (RemoteException e) { 1625 } 1626 mCurToken = null; 1627 } 1628 1629 mCurId = null; 1630 clearCurMethodLocked(); 1631 } 1632 1633 void resetCurrentMethodAndClient( 1634 /* @InputMethodClient.UnbindReason */ final int unbindClientReason) { 1635 mCurMethodId = null; 1636 unbindCurrentMethodLocked(false); 1637 unbindCurrentClientLocked(unbindClientReason); 1638 } 1639 1640 void requestClientSessionLocked(ClientState cs) { 1641 if (!cs.sessionRequested) { 1642 if (DEBUG) Slog.v(TAG, "Creating new session for client " + cs); 1643 InputChannel[] channels = InputChannel.openInputChannelPair(cs.toString()); 1644 cs.sessionRequested = true; 1645 executeOrSendMessage(mCurMethod, mCaller.obtainMessageOOO( 1646 MSG_CREATE_SESSION, mCurMethod, channels[1], 1647 new MethodCallback(this, mCurMethod, channels[0]))); 1648 } 1649 } 1650 1651 void clearClientSessionLocked(ClientState cs) { 1652 finishSessionLocked(cs.curSession); 1653 cs.curSession = null; 1654 cs.sessionRequested = false; 1655 } 1656 1657 private void finishSessionLocked(SessionState sessionState) { 1658 if (sessionState != null) { 1659 if (sessionState.session != null) { 1660 try { 1661 sessionState.session.finishSession(); 1662 } catch (RemoteException e) { 1663 Slog.w(TAG, "Session failed to close due to remote exception", e); 1664 updateSystemUiLocked(mCurToken, 0 /* vis */, mBackDisposition); 1665 } 1666 sessionState.session = null; 1667 } 1668 if (sessionState.channel != null) { 1669 sessionState.channel.dispose(); 1670 sessionState.channel = null; 1671 } 1672 } 1673 } 1674 1675 void clearCurMethodLocked() { 1676 if (mCurMethod != null) { 1677 for (ClientState cs : mClients.values()) { 1678 clearClientSessionLocked(cs); 1679 } 1680 1681 finishSessionLocked(mEnabledSession); 1682 mEnabledSession = null; 1683 mCurMethod = null; 1684 } 1685 if (mStatusBar != null) { 1686 mStatusBar.setIconVisibility(mSlotIme, false); 1687 } 1688 mInFullscreenMode = false; 1689 } 1690 1691 @Override 1692 public void onServiceDisconnected(ComponentName name) { 1693 // Note that mContext.unbindService(this) does not trigger this. Hence if we are here the 1694 // disconnection is not intended by IMMS (e.g. triggered because the current IMS crashed), 1695 // which is irregular but can eventually happen for everyone just by continuing using the 1696 // device. Thus it is important to make sure that all the internal states are properly 1697 // refreshed when this method is called back. Running 1698 // adb install -r <APK that implements the current IME> 1699 // would be a good way to trigger such a situation. 1700 synchronized (mMethodMap) { 1701 if (DEBUG) Slog.v(TAG, "Service disconnected: " + name 1702 + " mCurIntent=" + mCurIntent); 1703 if (mCurMethod != null && mCurIntent != null 1704 && name.equals(mCurIntent.getComponent())) { 1705 clearCurMethodLocked(); 1706 // We consider this to be a new bind attempt, since the system 1707 // should now try to restart the service for us. 1708 mLastBindTime = SystemClock.uptimeMillis(); 1709 mShowRequested = mInputShown; 1710 mInputShown = false; 1711 unbindCurrentClientLocked(InputMethodClient.UNBIND_REASON_DISCONNECT_IME); 1712 } 1713 } 1714 } 1715 1716 @Override 1717 public void updateStatusIcon(IBinder token, String packageName, int iconId) { 1718 synchronized (mMethodMap) { 1719 if (!calledWithValidToken(token)) { 1720 return; 1721 } 1722 final long ident = Binder.clearCallingIdentity(); 1723 try { 1724 if (iconId == 0) { 1725 if (DEBUG) Slog.d(TAG, "hide the small icon for the input method"); 1726 if (mStatusBar != null) { 1727 mStatusBar.setIconVisibility(mSlotIme, false); 1728 } 1729 } else if (packageName != null) { 1730 if (DEBUG) Slog.d(TAG, "show a small icon for the input method"); 1731 CharSequence contentDescription = null; 1732 try { 1733 // Use PackageManager to load label 1734 final PackageManager packageManager = mContext.getPackageManager(); 1735 contentDescription = packageManager.getApplicationLabel( 1736 mIPackageManager.getApplicationInfo(packageName, 0, 1737 mSettings.getCurrentUserId())); 1738 } catch (RemoteException e) { 1739 /* ignore */ 1740 } 1741 if (mStatusBar != null) { 1742 mStatusBar.setIcon(mSlotIme, packageName, iconId, 0, 1743 contentDescription != null 1744 ? contentDescription.toString() : null); 1745 mStatusBar.setIconVisibility(mSlotIme, true); 1746 } 1747 } 1748 } finally { 1749 Binder.restoreCallingIdentity(ident); 1750 } 1751 } 1752 } 1753 1754 private boolean shouldShowImeSwitcherLocked(int visibility) { 1755 if (!mShowOngoingImeSwitcherForPhones) return false; 1756 if (mSwitchingDialog != null) return false; 1757 if (isScreenLocked()) return false; 1758 if ((visibility & InputMethodService.IME_ACTIVE) == 0) return false; 1759 if (mWindowManagerInternal.isHardKeyboardAvailable()) { 1760 if (mHardKeyboardBehavior == HardKeyboardBehavior.WIRELESS_AFFORDANCE) { 1761 // When physical keyboard is attached, we show the ime switcher (or notification if 1762 // NavBar is not available) because SHOW_IME_WITH_HARD_KEYBOARD settings currently 1763 // exists in the IME switcher dialog. Might be OK to remove this condition once 1764 // SHOW_IME_WITH_HARD_KEYBOARD settings finds a good place to live. 1765 return true; 1766 } 1767 } else if ((visibility & InputMethodService.IME_VISIBLE) == 0) { 1768 return false; 1769 } 1770 1771 List<InputMethodInfo> imis = mSettings.getEnabledInputMethodListLocked(); 1772 final int N = imis.size(); 1773 if (N > 2) return true; 1774 if (N < 1) return false; 1775 int nonAuxCount = 0; 1776 int auxCount = 0; 1777 InputMethodSubtype nonAuxSubtype = null; 1778 InputMethodSubtype auxSubtype = null; 1779 for(int i = 0; i < N; ++i) { 1780 final InputMethodInfo imi = imis.get(i); 1781 final List<InputMethodSubtype> subtypes = 1782 mSettings.getEnabledInputMethodSubtypeListLocked(mContext, imi, true); 1783 final int subtypeCount = subtypes.size(); 1784 if (subtypeCount == 0) { 1785 ++nonAuxCount; 1786 } else { 1787 for (int j = 0; j < subtypeCount; ++j) { 1788 final InputMethodSubtype subtype = subtypes.get(j); 1789 if (!subtype.isAuxiliary()) { 1790 ++nonAuxCount; 1791 nonAuxSubtype = subtype; 1792 } else { 1793 ++auxCount; 1794 auxSubtype = subtype; 1795 } 1796 } 1797 } 1798 } 1799 if (nonAuxCount > 1 || auxCount > 1) { 1800 return true; 1801 } else if (nonAuxCount == 1 && auxCount == 1) { 1802 if (nonAuxSubtype != null && auxSubtype != null 1803 && (nonAuxSubtype.getLocale().equals(auxSubtype.getLocale()) 1804 || auxSubtype.overridesImplicitlyEnabledSubtype() 1805 || nonAuxSubtype.overridesImplicitlyEnabledSubtype()) 1806 && nonAuxSubtype.containsExtraValueKey(TAG_TRY_SUPPRESSING_IME_SWITCHER)) { 1807 return false; 1808 } 1809 return true; 1810 } 1811 return false; 1812 } 1813 1814 private boolean isKeyguardLocked() { 1815 return mKeyguardManager != null && mKeyguardManager.isKeyguardLocked(); 1816 } 1817 1818 @SuppressWarnings("deprecation") 1819 @Override 1820 public void setImeWindowStatus(IBinder token, int vis, int backDisposition) { 1821 if (!calledWithValidToken(token)) { 1822 return; 1823 } 1824 1825 synchronized (mMethodMap) { 1826 mImeWindowVis = vis; 1827 mBackDisposition = backDisposition; 1828 updateSystemUiLocked(token, vis, backDisposition); 1829 } 1830 } 1831 1832 private void updateSystemUi(IBinder token, int vis, int backDisposition) { 1833 synchronized (mMethodMap) { 1834 updateSystemUiLocked(token, vis, backDisposition); 1835 } 1836 } 1837 1838 // Caution! This method is called in this class. Handle multi-user carefully 1839 private void updateSystemUiLocked(IBinder token, int vis, int backDisposition) { 1840 if (!calledWithValidToken(token)) { 1841 return; 1842 } 1843 1844 // TODO: Move this clearing calling identity block to setImeWindowStatus after making sure 1845 // all updateSystemUi happens on system previlege. 1846 final long ident = Binder.clearCallingIdentity(); 1847 try { 1848 // apply policy for binder calls 1849 if (vis != 0 && isKeyguardLocked() && !mCurClientInKeyguard) { 1850 vis = 0; 1851 } 1852 // mImeWindowVis should be updated before calling shouldShowImeSwitcherLocked(). 1853 final boolean needsToShowImeSwitcher = shouldShowImeSwitcherLocked(vis); 1854 if (mStatusBar != null) { 1855 mStatusBar.setImeWindowStatus(token, vis, backDisposition, 1856 needsToShowImeSwitcher); 1857 } 1858 final InputMethodInfo imi = mMethodMap.get(mCurMethodId); 1859 if (imi != null && needsToShowImeSwitcher) { 1860 // Used to load label 1861 final CharSequence title = mRes.getText( 1862 com.android.internal.R.string.select_input_method); 1863 final CharSequence summary = InputMethodUtils.getImeAndSubtypeDisplayName( 1864 mContext, imi, mCurrentSubtype); 1865 mImeSwitcherNotification.setContentTitle(title) 1866 .setContentText(summary) 1867 .setContentIntent(mImeSwitchPendingIntent); 1868 try { 1869 if ((mNotificationManager != null) 1870 && !mIWindowManager.hasNavigationBar()) { 1871 if (DEBUG) { 1872 Slog.d(TAG, "--- show notification: label = " + summary); 1873 } 1874 mNotificationManager.notifyAsUser(null, 1875 com.android.internal.R.string.select_input_method, 1876 mImeSwitcherNotification.build(), UserHandle.ALL); 1877 mNotificationShown = true; 1878 } 1879 } catch (RemoteException e) { 1880 } 1881 } else { 1882 if (mNotificationShown && mNotificationManager != null) { 1883 if (DEBUG) { 1884 Slog.d(TAG, "--- hide notification"); 1885 } 1886 mNotificationManager.cancelAsUser(null, 1887 com.android.internal.R.string.select_input_method, UserHandle.ALL); 1888 mNotificationShown = false; 1889 } 1890 } 1891 } finally { 1892 Binder.restoreCallingIdentity(ident); 1893 } 1894 } 1895 1896 @Override 1897 public void registerSuggestionSpansForNotification(SuggestionSpan[] spans) { 1898 if (!calledFromValidUser()) { 1899 return; 1900 } 1901 synchronized (mMethodMap) { 1902 final InputMethodInfo currentImi = mMethodMap.get(mCurMethodId); 1903 for (int i = 0; i < spans.length; ++i) { 1904 SuggestionSpan ss = spans[i]; 1905 if (!TextUtils.isEmpty(ss.getNotificationTargetClassName())) { 1906 mSecureSuggestionSpans.put(ss, currentImi); 1907 } 1908 } 1909 } 1910 } 1911 1912 @Override 1913 public boolean notifySuggestionPicked(SuggestionSpan span, String originalString, int index) { 1914 if (!calledFromValidUser()) { 1915 return false; 1916 } 1917 synchronized (mMethodMap) { 1918 final InputMethodInfo targetImi = mSecureSuggestionSpans.get(span); 1919 // TODO: Do not send the intent if the process of the targetImi is already dead. 1920 if (targetImi != null) { 1921 final String[] suggestions = span.getSuggestions(); 1922 if (index < 0 || index >= suggestions.length) return false; 1923 final String className = span.getNotificationTargetClassName(); 1924 final Intent intent = new Intent(); 1925 // Ensures that only a class in the original IME package will receive the 1926 // notification. 1927 intent.setClassName(targetImi.getPackageName(), className); 1928 intent.setAction(SuggestionSpan.ACTION_SUGGESTION_PICKED); 1929 intent.putExtra(SuggestionSpan.SUGGESTION_SPAN_PICKED_BEFORE, originalString); 1930 intent.putExtra(SuggestionSpan.SUGGESTION_SPAN_PICKED_AFTER, suggestions[index]); 1931 intent.putExtra(SuggestionSpan.SUGGESTION_SPAN_PICKED_HASHCODE, span.hashCode()); 1932 final long ident = Binder.clearCallingIdentity(); 1933 try { 1934 mContext.sendBroadcastAsUser(intent, UserHandle.CURRENT); 1935 } finally { 1936 Binder.restoreCallingIdentity(ident); 1937 } 1938 return true; 1939 } 1940 } 1941 return false; 1942 } 1943 1944 void updateFromSettingsLocked(boolean enabledMayChange) { 1945 updateInputMethodsFromSettingsLocked(enabledMayChange); 1946 updateKeyboardFromSettingsLocked(); 1947 } 1948 1949 void updateInputMethodsFromSettingsLocked(boolean enabledMayChange) { 1950 if (enabledMayChange) { 1951 List<InputMethodInfo> enabled = mSettings.getEnabledInputMethodListLocked(); 1952 for (int i=0; i<enabled.size(); i++) { 1953 // We allow the user to select "disabled until used" apps, so if they 1954 // are enabling one of those here we now need to make it enabled. 1955 InputMethodInfo imm = enabled.get(i); 1956 try { 1957 ApplicationInfo ai = mIPackageManager.getApplicationInfo(imm.getPackageName(), 1958 PackageManager.GET_DISABLED_UNTIL_USED_COMPONENTS, 1959 mSettings.getCurrentUserId()); 1960 if (ai != null && ai.enabledSetting 1961 == PackageManager.COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED) { 1962 if (DEBUG) { 1963 Slog.d(TAG, "Update state(" + imm.getId() 1964 + "): DISABLED_UNTIL_USED -> DEFAULT"); 1965 } 1966 mIPackageManager.setApplicationEnabledSetting(imm.getPackageName(), 1967 PackageManager.COMPONENT_ENABLED_STATE_DEFAULT, 1968 PackageManager.DONT_KILL_APP, mSettings.getCurrentUserId(), 1969 mContext.getBasePackageName()); 1970 } 1971 } catch (RemoteException e) { 1972 } 1973 } 1974 } 1975 // We are assuming that whoever is changing DEFAULT_INPUT_METHOD and 1976 // ENABLED_INPUT_METHODS is taking care of keeping them correctly in 1977 // sync, so we will never have a DEFAULT_INPUT_METHOD that is not 1978 // enabled. 1979 String id = mSettings.getSelectedInputMethod(); 1980 // There is no input method selected, try to choose new applicable input method. 1981 if (TextUtils.isEmpty(id) && chooseNewDefaultIMELocked()) { 1982 id = mSettings.getSelectedInputMethod(); 1983 } 1984 if (!TextUtils.isEmpty(id)) { 1985 try { 1986 setInputMethodLocked(id, mSettings.getSelectedInputMethodSubtypeId(id)); 1987 } catch (IllegalArgumentException e) { 1988 Slog.w(TAG, "Unknown input method from prefs: " + id, e); 1989 resetCurrentMethodAndClient(InputMethodClient.UNBIND_REASON_SWITCH_IME_FAILED); 1990 } 1991 mShortcutInputMethodsAndSubtypes.clear(); 1992 } else { 1993 // There is no longer an input method set, so stop any current one. 1994 resetCurrentMethodAndClient(InputMethodClient.UNBIND_REASON_NO_IME); 1995 } 1996 // Here is not the perfect place to reset the switching controller. Ideally 1997 // mSwitchingController and mSettings should be able to share the same state. 1998 // TODO: Make sure that mSwitchingController and mSettings are sharing the 1999 // the same enabled IMEs list. 2000 mSwitchingController.resetCircularListLocked(mContext); 2001 2002 } 2003 2004 public void updateKeyboardFromSettingsLocked() { 2005 mShowImeWithHardKeyboard = mSettings.isShowImeWithHardKeyboardEnabled(); 2006 if (mSwitchingDialog != null 2007 && mSwitchingDialogTitleView != null 2008 && mSwitchingDialog.isShowing()) { 2009 final Switch hardKeySwitch = (Switch)mSwitchingDialogTitleView.findViewById( 2010 com.android.internal.R.id.hard_keyboard_switch); 2011 hardKeySwitch.setChecked(mShowImeWithHardKeyboard); 2012 } 2013 } 2014 2015 private void notifyInputMethodSubtypeChanged(final int userId, 2016 @Nullable final InputMethodInfo inputMethodInfo, 2017 @Nullable final InputMethodSubtype subtype) { 2018 final InputManagerInternal inputManagerInternal = 2019 LocalServices.getService(InputManagerInternal.class); 2020 if (inputManagerInternal != null) { 2021 inputManagerInternal.onInputMethodSubtypeChanged(userId, inputMethodInfo, subtype); 2022 } 2023 } 2024 2025 /* package */ void setInputMethodLocked(String id, int subtypeId) { 2026 InputMethodInfo info = mMethodMap.get(id); 2027 if (info == null) { 2028 throw new IllegalArgumentException("Unknown id: " + id); 2029 } 2030 2031 // See if we need to notify a subtype change within the same IME. 2032 if (id.equals(mCurMethodId)) { 2033 final int subtypeCount = info.getSubtypeCount(); 2034 if (subtypeCount <= 0) { 2035 return; 2036 } 2037 final InputMethodSubtype oldSubtype = mCurrentSubtype; 2038 final InputMethodSubtype newSubtype; 2039 if (subtypeId >= 0 && subtypeId < subtypeCount) { 2040 newSubtype = info.getSubtypeAt(subtypeId); 2041 } else { 2042 // If subtype is null, try to find the most applicable one from 2043 // getCurrentInputMethodSubtype. 2044 newSubtype = getCurrentInputMethodSubtypeLocked(); 2045 } 2046 if (newSubtype == null || oldSubtype == null) { 2047 Slog.w(TAG, "Illegal subtype state: old subtype = " + oldSubtype 2048 + ", new subtype = " + newSubtype); 2049 return; 2050 } 2051 if (newSubtype != oldSubtype) { 2052 setSelectedInputMethodAndSubtypeLocked(info, subtypeId, true); 2053 if (mCurMethod != null) { 2054 try { 2055 updateSystemUiLocked(mCurToken, mImeWindowVis, mBackDisposition); 2056 mCurMethod.changeInputMethodSubtype(newSubtype); 2057 } catch (RemoteException e) { 2058 Slog.w(TAG, "Failed to call changeInputMethodSubtype"); 2059 return; 2060 } 2061 } 2062 notifyInputMethodSubtypeChanged(mSettings.getCurrentUserId(), info, newSubtype); 2063 } 2064 return; 2065 } 2066 2067 // Changing to a different IME. 2068 final long ident = Binder.clearCallingIdentity(); 2069 try { 2070 // Set a subtype to this input method. 2071 // subtypeId the name of a subtype which will be set. 2072 setSelectedInputMethodAndSubtypeLocked(info, subtypeId, false); 2073 // mCurMethodId should be updated after setSelectedInputMethodAndSubtypeLocked() 2074 // because mCurMethodId is stored as a history in 2075 // setSelectedInputMethodAndSubtypeLocked(). 2076 mCurMethodId = id; 2077 2078 if (LocalServices.getService(ActivityManagerInternal.class).isSystemReady()) { 2079 Intent intent = new Intent(Intent.ACTION_INPUT_METHOD_CHANGED); 2080 intent.addFlags(Intent.FLAG_RECEIVER_REPLACE_PENDING); 2081 intent.putExtra("input_method_id", id); 2082 mContext.sendBroadcastAsUser(intent, UserHandle.CURRENT); 2083 } 2084 unbindCurrentClientLocked(InputMethodClient.UNBIND_REASON_SWITCH_IME); 2085 } finally { 2086 Binder.restoreCallingIdentity(ident); 2087 } 2088 2089 notifyInputMethodSubtypeChanged(mSettings.getCurrentUserId(), info, 2090 getCurrentInputMethodSubtypeLocked()); 2091 } 2092 2093 @Override 2094 public boolean showSoftInput(IInputMethodClient client, int flags, 2095 ResultReceiver resultReceiver) { 2096 if (!calledFromValidUser()) { 2097 return false; 2098 } 2099 int uid = Binder.getCallingUid(); 2100 long ident = Binder.clearCallingIdentity(); 2101 try { 2102 synchronized (mMethodMap) { 2103 if (mCurClient == null || client == null 2104 || mCurClient.client.asBinder() != client.asBinder()) { 2105 try { 2106 // We need to check if this is the current client with 2107 // focus in the window manager, to allow this call to 2108 // be made before input is started in it. 2109 if (!mIWindowManager.inputMethodClientHasFocus(client)) { 2110 Slog.w(TAG, "Ignoring showSoftInput of uid " + uid + ": " + client); 2111 return false; 2112 } 2113 } catch (RemoteException e) { 2114 return false; 2115 } 2116 } 2117 2118 if (DEBUG) Slog.v(TAG, "Client requesting input be shown"); 2119 return showCurrentInputLocked(flags, resultReceiver); 2120 } 2121 } finally { 2122 Binder.restoreCallingIdentity(ident); 2123 } 2124 } 2125 2126 boolean showCurrentInputLocked(int flags, ResultReceiver resultReceiver) { 2127 mShowRequested = true; 2128 if (mAccessibilityRequestingNoSoftKeyboard) { 2129 return false; 2130 } 2131 2132 if ((flags&InputMethodManager.SHOW_FORCED) != 0) { 2133 mShowExplicitlyRequested = true; 2134 mShowForced = true; 2135 } else if ((flags&InputMethodManager.SHOW_IMPLICIT) == 0) { 2136 mShowExplicitlyRequested = true; 2137 } 2138 2139 if (!mSystemReady) { 2140 return false; 2141 } 2142 2143 boolean res = false; 2144 if (mCurMethod != null) { 2145 if (DEBUG) Slog.d(TAG, "showCurrentInputLocked: mCurToken=" + mCurToken); 2146 executeOrSendMessage(mCurMethod, mCaller.obtainMessageIOO( 2147 MSG_SHOW_SOFT_INPUT, getImeShowFlags(), mCurMethod, 2148 resultReceiver)); 2149 mInputShown = true; 2150 if (mHaveConnection && !mVisibleBound) { 2151 bindCurrentInputMethodService( 2152 mCurIntent, mVisibleConnection, Context.BIND_AUTO_CREATE 2153 | Context.BIND_TREAT_LIKE_ACTIVITY 2154 | Context.BIND_FOREGROUND_SERVICE); 2155 mVisibleBound = true; 2156 } 2157 res = true; 2158 } else if (mHaveConnection && SystemClock.uptimeMillis() 2159 >= (mLastBindTime+TIME_TO_RECONNECT)) { 2160 // The client has asked to have the input method shown, but 2161 // we have been sitting here too long with a connection to the 2162 // service and no interface received, so let's disconnect/connect 2163 // to try to prod things along. 2164 EventLog.writeEvent(EventLogTags.IMF_FORCE_RECONNECT_IME, mCurMethodId, 2165 SystemClock.uptimeMillis()-mLastBindTime,1); 2166 Slog.w(TAG, "Force disconnect/connect to the IME in showCurrentInputLocked()"); 2167 mContext.unbindService(this); 2168 bindCurrentInputMethodService(mCurIntent, this, Context.BIND_AUTO_CREATE 2169 | Context.BIND_NOT_VISIBLE); 2170 } else { 2171 if (DEBUG) { 2172 Slog.d(TAG, "Can't show input: connection = " + mHaveConnection + ", time = " 2173 + ((mLastBindTime+TIME_TO_RECONNECT) - SystemClock.uptimeMillis())); 2174 } 2175 } 2176 2177 return res; 2178 } 2179 2180 @Override 2181 public boolean hideSoftInput(IInputMethodClient client, int flags, 2182 ResultReceiver resultReceiver) { 2183 if (!calledFromValidUser()) { 2184 return false; 2185 } 2186 int uid = Binder.getCallingUid(); 2187 long ident = Binder.clearCallingIdentity(); 2188 try { 2189 synchronized (mMethodMap) { 2190 if (mCurClient == null || client == null 2191 || mCurClient.client.asBinder() != client.asBinder()) { 2192 try { 2193 // We need to check if this is the current client with 2194 // focus in the window manager, to allow this call to 2195 // be made before input is started in it. 2196 if (!mIWindowManager.inputMethodClientHasFocus(client)) { 2197 if (DEBUG) Slog.w(TAG, "Ignoring hideSoftInput of uid " 2198 + uid + ": " + client); 2199 return false; 2200 } 2201 } catch (RemoteException e) { 2202 return false; 2203 } 2204 } 2205 2206 if (DEBUG) Slog.v(TAG, "Client requesting input be hidden"); 2207 return hideCurrentInputLocked(flags, resultReceiver); 2208 } 2209 } finally { 2210 Binder.restoreCallingIdentity(ident); 2211 } 2212 } 2213 2214 boolean hideCurrentInputLocked(int flags, ResultReceiver resultReceiver) { 2215 if ((flags&InputMethodManager.HIDE_IMPLICIT_ONLY) != 0 2216 && (mShowExplicitlyRequested || mShowForced)) { 2217 if (DEBUG) Slog.v(TAG, "Not hiding: explicit show not cancelled by non-explicit hide"); 2218 return false; 2219 } 2220 if (mShowForced && (flags&InputMethodManager.HIDE_NOT_ALWAYS) != 0) { 2221 if (DEBUG) Slog.v(TAG, "Not hiding: forced show not cancelled by not-always hide"); 2222 return false; 2223 } 2224 2225 // There is a chance that IMM#hideSoftInput() is called in a transient state where 2226 // IMMS#InputShown is already updated to be true whereas IMMS#mImeWindowVis is still waiting 2227 // to be updated with the new value sent from IME process. Even in such a transient state 2228 // historically we have accepted an incoming call of IMM#hideSoftInput() from the 2229 // application process as a valid request, and have even promised such a behavior with CTS 2230 // since Android Eclair. That's why we need to accept IMM#hideSoftInput() even when only 2231 // IMMS#InputShown indicates that the software keyboard is shown. 2232 // TODO: Clean up, IMMS#mInputShown, IMMS#mImeWindowVis and mShowRequested. 2233 final boolean shouldHideSoftInput = (mCurMethod != null) && (mInputShown || 2234 (mImeWindowVis & InputMethodService.IME_ACTIVE) != 0); 2235 boolean res; 2236 if (shouldHideSoftInput) { 2237 // The IME will report its visible state again after the following message finally 2238 // delivered to the IME process as an IPC. Hence the inconsistency between 2239 // IMMS#mInputShown and IMMS#mImeWindowVis should be resolved spontaneously in 2240 // the final state. 2241 executeOrSendMessage(mCurMethod, mCaller.obtainMessageOO( 2242 MSG_HIDE_SOFT_INPUT, mCurMethod, resultReceiver)); 2243 res = true; 2244 } else { 2245 res = false; 2246 } 2247 if (mHaveConnection && mVisibleBound) { 2248 mContext.unbindService(mVisibleConnection); 2249 mVisibleBound = false; 2250 } 2251 mInputShown = false; 2252 mShowRequested = false; 2253 mShowExplicitlyRequested = false; 2254 mShowForced = false; 2255 return res; 2256 } 2257 2258 @Override 2259 public InputBindResult startInputOrWindowGainedFocus( 2260 /* @InputMethodClient.StartInputReason */ final int startInputReason, 2261 IInputMethodClient client, IBinder windowToken, int controlFlags, int softInputMode, 2262 int windowFlags, @Nullable EditorInfo attribute, IInputContext inputContext, 2263 /* @InputConnectionInspector.missingMethods */ final int missingMethods) { 2264 if (windowToken != null) { 2265 return windowGainedFocus(startInputReason, client, windowToken, controlFlags, 2266 softInputMode, windowFlags, attribute, inputContext, missingMethods); 2267 } else { 2268 return startInput(startInputReason, client, inputContext, missingMethods, attribute, 2269 controlFlags); 2270 } 2271 } 2272 2273 private InputBindResult windowGainedFocus( 2274 /* @InputMethodClient.StartInputReason */ final int startInputReason, 2275 IInputMethodClient client, IBinder windowToken, int controlFlags, int softInputMode, 2276 int windowFlags, EditorInfo attribute, IInputContext inputContext, 2277 /* @InputConnectionInspector.missingMethods */ final int missingMethods) { 2278 // Needs to check the validity before clearing calling identity 2279 final boolean calledFromValidUser = calledFromValidUser(); 2280 InputBindResult res = null; 2281 long ident = Binder.clearCallingIdentity(); 2282 try { 2283 synchronized (mMethodMap) { 2284 if (DEBUG) Slog.v(TAG, "windowGainedFocus: reason=" 2285 + InputMethodClient.getStartInputReason(startInputReason) 2286 + " client=" + client.asBinder() 2287 + " inputContext=" + inputContext 2288 + " missingMethods=" 2289 + InputConnectionInspector.getMissingMethodFlagsAsString(missingMethods) 2290 + " attribute=" + attribute 2291 + " controlFlags=#" + Integer.toHexString(controlFlags) 2292 + " softInputMode=#" + Integer.toHexString(softInputMode) 2293 + " windowFlags=#" + Integer.toHexString(windowFlags)); 2294 2295 ClientState cs = mClients.get(client.asBinder()); 2296 if (cs == null) { 2297 throw new IllegalArgumentException("unknown client " 2298 + client.asBinder()); 2299 } 2300 2301 try { 2302 if (!mIWindowManager.inputMethodClientHasFocus(cs.client)) { 2303 // Check with the window manager to make sure this client actually 2304 // has a window with focus. If not, reject. This is thread safe 2305 // because if the focus changes some time before or after, the 2306 // next client receiving focus that has any interest in input will 2307 // be calling through here after that change happens. 2308 if (DEBUG) { 2309 Slog.w(TAG, "Focus gain on non-focused client " + cs.client 2310 + " (uid=" + cs.uid + " pid=" + cs.pid + ")"); 2311 } 2312 return null; 2313 } 2314 } catch (RemoteException e) { 2315 } 2316 2317 if (!calledFromValidUser) { 2318 Slog.w(TAG, "A background user is requesting window. Hiding IME."); 2319 Slog.w(TAG, "If you want to interect with IME, you need " 2320 + "android.permission.INTERACT_ACROSS_USERS_FULL"); 2321 hideCurrentInputLocked(0, null); 2322 return null; 2323 } 2324 2325 if (mCurFocusedWindow == windowToken) { 2326 if (DEBUG) { 2327 Slog.w(TAG, "Window already focused, ignoring focus gain of: " + client 2328 + " attribute=" + attribute + ", token = " + windowToken); 2329 } 2330 if (attribute != null) { 2331 return startInputUncheckedLocked(cs, inputContext, missingMethods, 2332 attribute, controlFlags, startInputReason); 2333 } 2334 return null; 2335 } 2336 mCurFocusedWindow = windowToken; 2337 mCurFocusedWindowClient = cs; 2338 2339 // Should we auto-show the IME even if the caller has not 2340 // specified what should be done with it? 2341 // We only do this automatically if the window can resize 2342 // to accommodate the IME (so what the user sees will give 2343 // them good context without input information being obscured 2344 // by the IME) or if running on a large screen where there 2345 // is more room for the target window + IME. 2346 final boolean doAutoShow = 2347 (softInputMode & WindowManager.LayoutParams.SOFT_INPUT_MASK_ADJUST) 2348 == WindowManager.LayoutParams.SOFT_INPUT_ADJUST_RESIZE 2349 || mRes.getConfiguration().isLayoutSizeAtLeast( 2350 Configuration.SCREENLAYOUT_SIZE_LARGE); 2351 final boolean isTextEditor = 2352 (controlFlags&InputMethodManager.CONTROL_WINDOW_IS_TEXT_EDITOR) != 0; 2353 2354 // We want to start input before showing the IME, but after closing 2355 // it. We want to do this after closing it to help the IME disappear 2356 // more quickly (not get stuck behind it initializing itself for the 2357 // new focused input, even if its window wants to hide the IME). 2358 boolean didStart = false; 2359 2360 switch (softInputMode&WindowManager.LayoutParams.SOFT_INPUT_MASK_STATE) { 2361 case WindowManager.LayoutParams.SOFT_INPUT_STATE_UNSPECIFIED: 2362 if (!isTextEditor || !doAutoShow) { 2363 if (WindowManager.LayoutParams.mayUseInputMethod(windowFlags)) { 2364 // There is no focus view, and this window will 2365 // be behind any soft input window, so hide the 2366 // soft input window if it is shown. 2367 if (DEBUG) Slog.v(TAG, "Unspecified window will hide input"); 2368 hideCurrentInputLocked(InputMethodManager.HIDE_NOT_ALWAYS, null); 2369 } 2370 } else if (isTextEditor && doAutoShow && (softInputMode & 2371 WindowManager.LayoutParams.SOFT_INPUT_IS_FORWARD_NAVIGATION) != 0) { 2372 // There is a focus view, and we are navigating forward 2373 // into the window, so show the input window for the user. 2374 // We only do this automatically if the window can resize 2375 // to accommodate the IME (so what the user sees will give 2376 // them good context without input information being obscured 2377 // by the IME) or if running on a large screen where there 2378 // is more room for the target window + IME. 2379 if (DEBUG) Slog.v(TAG, "Unspecified window will show input"); 2380 if (attribute != null) { 2381 res = startInputUncheckedLocked(cs, inputContext, 2382 missingMethods, attribute, controlFlags, startInputReason); 2383 didStart = true; 2384 } 2385 showCurrentInputLocked(InputMethodManager.SHOW_IMPLICIT, null); 2386 } 2387 break; 2388 case WindowManager.LayoutParams.SOFT_INPUT_STATE_UNCHANGED: 2389 // Do nothing. 2390 break; 2391 case WindowManager.LayoutParams.SOFT_INPUT_STATE_HIDDEN: 2392 if ((softInputMode & 2393 WindowManager.LayoutParams.SOFT_INPUT_IS_FORWARD_NAVIGATION) != 0) { 2394 if (DEBUG) Slog.v(TAG, "Window asks to hide input going forward"); 2395 hideCurrentInputLocked(0, null); 2396 } 2397 break; 2398 case WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_HIDDEN: 2399 if (DEBUG) Slog.v(TAG, "Window asks to hide input"); 2400 hideCurrentInputLocked(0, null); 2401 break; 2402 case WindowManager.LayoutParams.SOFT_INPUT_STATE_VISIBLE: 2403 if ((softInputMode & 2404 WindowManager.LayoutParams.SOFT_INPUT_IS_FORWARD_NAVIGATION) != 0) { 2405 if (DEBUG) Slog.v(TAG, "Window asks to show input going forward"); 2406 if (attribute != null) { 2407 res = startInputUncheckedLocked(cs, inputContext, 2408 missingMethods, attribute, controlFlags, startInputReason); 2409 didStart = true; 2410 } 2411 showCurrentInputLocked(InputMethodManager.SHOW_IMPLICIT, null); 2412 } 2413 break; 2414 case WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_VISIBLE: 2415 if (DEBUG) Slog.v(TAG, "Window asks to always show input"); 2416 if (attribute != null) { 2417 res = startInputUncheckedLocked(cs, inputContext, missingMethods, 2418 attribute, controlFlags, startInputReason); 2419 didStart = true; 2420 } 2421 showCurrentInputLocked(InputMethodManager.SHOW_IMPLICIT, null); 2422 break; 2423 } 2424 2425 if (!didStart && attribute != null) { 2426 res = startInputUncheckedLocked(cs, inputContext, missingMethods, attribute, 2427 controlFlags, startInputReason); 2428 } 2429 } 2430 } finally { 2431 Binder.restoreCallingIdentity(ident); 2432 } 2433 2434 return res; 2435 } 2436 2437 @Override 2438 public void showInputMethodPickerFromClient( 2439 IInputMethodClient client, int auxiliarySubtypeMode) { 2440 if (!calledFromValidUser()) { 2441 return; 2442 } 2443 synchronized (mMethodMap) { 2444 if (mCurClient == null || client == null 2445 || mCurClient.client.asBinder() != client.asBinder()) { 2446 Slog.w(TAG, "Ignoring showInputMethodPickerFromClient of uid " 2447 + Binder.getCallingUid() + ": " + client); 2448 } 2449 2450 // Always call subtype picker, because subtype picker is a superset of input method 2451 // picker. 2452 mHandler.sendMessage(mCaller.obtainMessageI( 2453 MSG_SHOW_IM_SUBTYPE_PICKER, auxiliarySubtypeMode)); 2454 } 2455 } 2456 2457 @Override 2458 public void setInputMethod(IBinder token, String id) { 2459 if (!calledFromValidUser()) { 2460 return; 2461 } 2462 setInputMethodWithSubtypeId(token, id, NOT_A_SUBTYPE_ID); 2463 } 2464 2465 @Override 2466 public void setInputMethodAndSubtype(IBinder token, String id, InputMethodSubtype subtype) { 2467 if (!calledFromValidUser()) { 2468 return; 2469 } 2470 synchronized (mMethodMap) { 2471 if (subtype != null) { 2472 setInputMethodWithSubtypeIdLocked(token, id, 2473 InputMethodUtils.getSubtypeIdFromHashCode(mMethodMap.get(id), 2474 subtype.hashCode())); 2475 } else { 2476 setInputMethod(token, id); 2477 } 2478 } 2479 } 2480 2481 @Override 2482 public void showInputMethodAndSubtypeEnablerFromClient( 2483 IInputMethodClient client, String inputMethodId) { 2484 if (!calledFromValidUser()) { 2485 return; 2486 } 2487 synchronized (mMethodMap) { 2488 executeOrSendMessage(mCurMethod, mCaller.obtainMessageO( 2489 MSG_SHOW_IM_SUBTYPE_ENABLER, inputMethodId)); 2490 } 2491 } 2492 2493 @Override 2494 public boolean switchToLastInputMethod(IBinder token) { 2495 if (!calledFromValidUser()) { 2496 return false; 2497 } 2498 synchronized (mMethodMap) { 2499 final Pair<String, String> lastIme = mSettings.getLastInputMethodAndSubtypeLocked(); 2500 final InputMethodInfo lastImi; 2501 if (lastIme != null) { 2502 lastImi = mMethodMap.get(lastIme.first); 2503 } else { 2504 lastImi = null; 2505 } 2506 String targetLastImiId = null; 2507 int subtypeId = NOT_A_SUBTYPE_ID; 2508 if (lastIme != null && lastImi != null) { 2509 final boolean imiIdIsSame = lastImi.getId().equals(mCurMethodId); 2510 final int lastSubtypeHash = Integer.parseInt(lastIme.second); 2511 final int currentSubtypeHash = mCurrentSubtype == null ? NOT_A_SUBTYPE_ID 2512 : mCurrentSubtype.hashCode(); 2513 // If the last IME is the same as the current IME and the last subtype is not 2514 // defined, there is no need to switch to the last IME. 2515 if (!imiIdIsSame || lastSubtypeHash != currentSubtypeHash) { 2516 targetLastImiId = lastIme.first; 2517 subtypeId = InputMethodUtils.getSubtypeIdFromHashCode(lastImi, lastSubtypeHash); 2518 } 2519 } 2520 2521 if (TextUtils.isEmpty(targetLastImiId) 2522 && !InputMethodUtils.canAddToLastInputMethod(mCurrentSubtype)) { 2523 // This is a safety net. If the currentSubtype can't be added to the history 2524 // and the framework couldn't find the last ime, we will make the last ime be 2525 // the most applicable enabled keyboard subtype of the system imes. 2526 final List<InputMethodInfo> enabled = mSettings.getEnabledInputMethodListLocked(); 2527 if (enabled != null) { 2528 final int N = enabled.size(); 2529 final String locale = mCurrentSubtype == null 2530 ? mRes.getConfiguration().locale.toString() 2531 : mCurrentSubtype.getLocale(); 2532 for (int i = 0; i < N; ++i) { 2533 final InputMethodInfo imi = enabled.get(i); 2534 if (imi.getSubtypeCount() > 0 && InputMethodUtils.isSystemIme(imi)) { 2535 InputMethodSubtype keyboardSubtype = 2536 InputMethodUtils.findLastResortApplicableSubtypeLocked(mRes, 2537 InputMethodUtils.getSubtypes(imi), 2538 InputMethodUtils.SUBTYPE_MODE_KEYBOARD, locale, true); 2539 if (keyboardSubtype != null) { 2540 targetLastImiId = imi.getId(); 2541 subtypeId = InputMethodUtils.getSubtypeIdFromHashCode( 2542 imi, keyboardSubtype.hashCode()); 2543 if(keyboardSubtype.getLocale().equals(locale)) { 2544 break; 2545 } 2546 } 2547 } 2548 } 2549 } 2550 } 2551 2552 if (!TextUtils.isEmpty(targetLastImiId)) { 2553 if (DEBUG) { 2554 Slog.d(TAG, "Switch to: " + lastImi.getId() + ", " + lastIme.second 2555 + ", from: " + mCurMethodId + ", " + subtypeId); 2556 } 2557 setInputMethodWithSubtypeIdLocked(token, targetLastImiId, subtypeId); 2558 return true; 2559 } else { 2560 return false; 2561 } 2562 } 2563 } 2564 2565 @Override 2566 public boolean switchToNextInputMethod(IBinder token, boolean onlyCurrentIme) { 2567 if (!calledFromValidUser()) { 2568 return false; 2569 } 2570 synchronized (mMethodMap) { 2571 if (!calledWithValidToken(token)) { 2572 return false; 2573 } 2574 final ImeSubtypeListItem nextSubtype = mSwitchingController.getNextInputMethodLocked( 2575 onlyCurrentIme, mMethodMap.get(mCurMethodId), mCurrentSubtype, 2576 true /* forward */); 2577 if (nextSubtype == null) { 2578 return false; 2579 } 2580 setInputMethodWithSubtypeIdLocked(token, nextSubtype.mImi.getId(), 2581 nextSubtype.mSubtypeId); 2582 return true; 2583 } 2584 } 2585 2586 @Override 2587 public boolean shouldOfferSwitchingToNextInputMethod(IBinder token) { 2588 if (!calledFromValidUser()) { 2589 return false; 2590 } 2591 synchronized (mMethodMap) { 2592 if (!calledWithValidToken(token)) { 2593 return false; 2594 } 2595 final ImeSubtypeListItem nextSubtype = mSwitchingController.getNextInputMethodLocked( 2596 false /* onlyCurrentIme */, mMethodMap.get(mCurMethodId), mCurrentSubtype, 2597 true /* forward */); 2598 if (nextSubtype == null) { 2599 return false; 2600 } 2601 return true; 2602 } 2603 } 2604 2605 @Override 2606 public InputMethodSubtype getLastInputMethodSubtype() { 2607 if (!calledFromValidUser()) { 2608 return null; 2609 } 2610 synchronized (mMethodMap) { 2611 final Pair<String, String> lastIme = mSettings.getLastInputMethodAndSubtypeLocked(); 2612 // TODO: Handle the case of the last IME with no subtypes 2613 if (lastIme == null || TextUtils.isEmpty(lastIme.first) 2614 || TextUtils.isEmpty(lastIme.second)) return null; 2615 final InputMethodInfo lastImi = mMethodMap.get(lastIme.first); 2616 if (lastImi == null) return null; 2617 try { 2618 final int lastSubtypeHash = Integer.parseInt(lastIme.second); 2619 final int lastSubtypeId = 2620 InputMethodUtils.getSubtypeIdFromHashCode(lastImi, lastSubtypeHash); 2621 if (lastSubtypeId < 0 || lastSubtypeId >= lastImi.getSubtypeCount()) { 2622 return null; 2623 } 2624 return lastImi.getSubtypeAt(lastSubtypeId); 2625 } catch (NumberFormatException e) { 2626 return null; 2627 } 2628 } 2629 } 2630 2631 @Override 2632 public void setAdditionalInputMethodSubtypes(String imiId, InputMethodSubtype[] subtypes) { 2633 if (!calledFromValidUser()) { 2634 return; 2635 } 2636 // By this IPC call, only a process which shares the same uid with the IME can add 2637 // additional input method subtypes to the IME. 2638 if (TextUtils.isEmpty(imiId) || subtypes == null) return; 2639 synchronized (mMethodMap) { 2640 if (!mSystemReady) { 2641 return; 2642 } 2643 final InputMethodInfo imi = mMethodMap.get(imiId); 2644 if (imi == null) return; 2645 final String[] packageInfos; 2646 try { 2647 packageInfos = mIPackageManager.getPackagesForUid(Binder.getCallingUid()); 2648 } catch (RemoteException e) { 2649 Slog.e(TAG, "Failed to get package infos"); 2650 return; 2651 } 2652 if (packageInfos != null) { 2653 final int packageNum = packageInfos.length; 2654 for (int i = 0; i < packageNum; ++i) { 2655 if (packageInfos[i].equals(imi.getPackageName())) { 2656 mFileManager.addInputMethodSubtypes(imi, subtypes); 2657 final long ident = Binder.clearCallingIdentity(); 2658 try { 2659 buildInputMethodListLocked(false /* resetDefaultEnabledIme */); 2660 } finally { 2661 Binder.restoreCallingIdentity(ident); 2662 } 2663 return; 2664 } 2665 } 2666 } 2667 } 2668 return; 2669 } 2670 2671 @Override 2672 public int getInputMethodWindowVisibleHeight() { 2673 return mWindowManagerInternal.getInputMethodWindowVisibleHeight(); 2674 } 2675 2676 @Override 2677 public void clearLastInputMethodWindowForTransition(IBinder token) { 2678 if (!calledFromValidUser()) { 2679 return; 2680 } 2681 synchronized (mMethodMap) { 2682 if (!calledWithValidToken(token)) { 2683 return; 2684 } 2685 } 2686 mWindowManagerInternal.clearLastInputMethodWindowForTransition(); 2687 } 2688 2689 @Override 2690 public void notifyUserAction(int sequenceNumber) { 2691 if (DEBUG) { 2692 Slog.d(TAG, "Got the notification of a user action. sequenceNumber:" + sequenceNumber); 2693 } 2694 synchronized (mMethodMap) { 2695 if (mCurUserActionNotificationSequenceNumber != sequenceNumber) { 2696 if (DEBUG) { 2697 Slog.d(TAG, "Ignoring the user action notification due to the sequence number " 2698 + "mismatch. expected:" + mCurUserActionNotificationSequenceNumber 2699 + " actual: " + sequenceNumber); 2700 } 2701 return; 2702 } 2703 final InputMethodInfo imi = mMethodMap.get(mCurMethodId); 2704 if (imi != null) { 2705 mSwitchingController.onUserActionLocked(imi, mCurrentSubtype); 2706 } 2707 } 2708 } 2709 2710 private void setInputMethodWithSubtypeId(IBinder token, String id, int subtypeId) { 2711 synchronized (mMethodMap) { 2712 setInputMethodWithSubtypeIdLocked(token, id, subtypeId); 2713 } 2714 } 2715 2716 private void setInputMethodWithSubtypeIdLocked(IBinder token, String id, int subtypeId) { 2717 if (token == null) { 2718 if (mContext.checkCallingOrSelfPermission( 2719 android.Manifest.permission.WRITE_SECURE_SETTINGS) 2720 != PackageManager.PERMISSION_GRANTED) { 2721 throw new SecurityException( 2722 "Using null token requires permission " 2723 + android.Manifest.permission.WRITE_SECURE_SETTINGS); 2724 } 2725 } else if (mCurToken != token) { 2726 Slog.w(TAG, "Ignoring setInputMethod of uid " + Binder.getCallingUid() 2727 + " token: " + token); 2728 return; 2729 } 2730 2731 final long ident = Binder.clearCallingIdentity(); 2732 try { 2733 setInputMethodLocked(id, subtypeId); 2734 } finally { 2735 Binder.restoreCallingIdentity(ident); 2736 } 2737 } 2738 2739 @Override 2740 public void hideMySoftInput(IBinder token, int flags) { 2741 if (!calledFromValidUser()) { 2742 return; 2743 } 2744 synchronized (mMethodMap) { 2745 if (!calledWithValidToken(token)) { 2746 return; 2747 } 2748 long ident = Binder.clearCallingIdentity(); 2749 try { 2750 hideCurrentInputLocked(flags, null); 2751 } finally { 2752 Binder.restoreCallingIdentity(ident); 2753 } 2754 } 2755 } 2756 2757 @Override 2758 public void showMySoftInput(IBinder token, int flags) { 2759 if (!calledFromValidUser()) { 2760 return; 2761 } 2762 synchronized (mMethodMap) { 2763 if (!calledWithValidToken(token)) { 2764 return; 2765 } 2766 long ident = Binder.clearCallingIdentity(); 2767 try { 2768 showCurrentInputLocked(flags, null); 2769 } finally { 2770 Binder.restoreCallingIdentity(ident); 2771 } 2772 } 2773 } 2774 2775 void setEnabledSessionInMainThread(SessionState session) { 2776 if (mEnabledSession != session) { 2777 if (mEnabledSession != null && mEnabledSession.session != null) { 2778 try { 2779 if (DEBUG) Slog.v(TAG, "Disabling: " + mEnabledSession); 2780 mEnabledSession.method.setSessionEnabled(mEnabledSession.session, false); 2781 } catch (RemoteException e) { 2782 } 2783 } 2784 mEnabledSession = session; 2785 if (mEnabledSession != null && mEnabledSession.session != null) { 2786 try { 2787 if (DEBUG) Slog.v(TAG, "Enabling: " + mEnabledSession); 2788 mEnabledSession.method.setSessionEnabled(mEnabledSession.session, true); 2789 } catch (RemoteException e) { 2790 } 2791 } 2792 } 2793 } 2794 2795 @Override 2796 public boolean handleMessage(Message msg) { 2797 SomeArgs args; 2798 switch (msg.what) { 2799 case MSG_SHOW_IM_SUBTYPE_PICKER: 2800 final boolean showAuxSubtypes; 2801 switch (msg.arg1) { 2802 case InputMethodManager.SHOW_IM_PICKER_MODE_AUTO: 2803 // This is undocumented so far, but IMM#showInputMethodPicker() has been 2804 // implemented so that auxiliary subtypes will be excluded when the soft 2805 // keyboard is invisible. 2806 showAuxSubtypes = mInputShown; 2807 break; 2808 case InputMethodManager.SHOW_IM_PICKER_MODE_INCLUDE_AUXILIARY_SUBTYPES: 2809 showAuxSubtypes = true; 2810 break; 2811 case InputMethodManager.SHOW_IM_PICKER_MODE_EXCLUDE_AUXILIARY_SUBTYPES: 2812 showAuxSubtypes = false; 2813 break; 2814 default: 2815 Slog.e(TAG, "Unknown subtype picker mode = " + msg.arg1); 2816 return false; 2817 } 2818 showInputMethodMenu(showAuxSubtypes); 2819 return true; 2820 2821 case MSG_SHOW_IM_SUBTYPE_ENABLER: 2822 showInputMethodAndSubtypeEnabler((String)msg.obj); 2823 return true; 2824 2825 case MSG_SHOW_IM_CONFIG: 2826 showConfigureInputMethods(); 2827 return true; 2828 2829 // --------------------------------------------------------- 2830 2831 case MSG_UNBIND_INPUT: 2832 try { 2833 ((IInputMethod)msg.obj).unbindInput(); 2834 } catch (RemoteException e) { 2835 // There is nothing interesting about the method dying. 2836 } 2837 return true; 2838 case MSG_BIND_INPUT: 2839 args = (SomeArgs)msg.obj; 2840 try { 2841 ((IInputMethod)args.arg1).bindInput((InputBinding)args.arg2); 2842 } catch (RemoteException e) { 2843 } 2844 args.recycle(); 2845 return true; 2846 case MSG_SHOW_SOFT_INPUT: 2847 args = (SomeArgs)msg.obj; 2848 try { 2849 if (DEBUG) Slog.v(TAG, "Calling " + args.arg1 + ".showSoftInput(" 2850 + msg.arg1 + ", " + args.arg2 + ")"); 2851 ((IInputMethod)args.arg1).showSoftInput(msg.arg1, (ResultReceiver)args.arg2); 2852 } catch (RemoteException e) { 2853 } 2854 args.recycle(); 2855 return true; 2856 case MSG_HIDE_SOFT_INPUT: 2857 args = (SomeArgs)msg.obj; 2858 try { 2859 if (DEBUG) Slog.v(TAG, "Calling " + args.arg1 + ".hideSoftInput(0, " 2860 + args.arg2 + ")"); 2861 ((IInputMethod)args.arg1).hideSoftInput(0, (ResultReceiver)args.arg2); 2862 } catch (RemoteException e) { 2863 } 2864 args.recycle(); 2865 return true; 2866 case MSG_HIDE_CURRENT_INPUT_METHOD: 2867 synchronized (mMethodMap) { 2868 hideCurrentInputLocked(0, null); 2869 } 2870 return true; 2871 case MSG_ATTACH_TOKEN: 2872 args = (SomeArgs)msg.obj; 2873 try { 2874 if (DEBUG) Slog.v(TAG, "Sending attach of token: " + args.arg2); 2875 ((IInputMethod)args.arg1).attachToken((IBinder)args.arg2); 2876 } catch (RemoteException e) { 2877 } 2878 args.recycle(); 2879 return true; 2880 case MSG_CREATE_SESSION: { 2881 args = (SomeArgs)msg.obj; 2882 IInputMethod method = (IInputMethod)args.arg1; 2883 InputChannel channel = (InputChannel)args.arg2; 2884 try { 2885 method.createSession(channel, (IInputSessionCallback)args.arg3); 2886 } catch (RemoteException e) { 2887 } finally { 2888 // Dispose the channel if the input method is not local to this process 2889 // because the remote proxy will get its own copy when unparceled. 2890 if (channel != null && Binder.isProxy(method)) { 2891 channel.dispose(); 2892 } 2893 } 2894 args.recycle(); 2895 return true; 2896 } 2897 // --------------------------------------------------------- 2898 2899 case MSG_START_INPUT: { 2900 int missingMethods = msg.arg1; 2901 args = (SomeArgs) msg.obj; 2902 try { 2903 SessionState session = (SessionState) args.arg1; 2904 setEnabledSessionInMainThread(session); 2905 session.method.startInput((IInputContext) args.arg2, missingMethods, 2906 (EditorInfo) args.arg3); 2907 } catch (RemoteException e) { 2908 } 2909 args.recycle(); 2910 return true; 2911 } 2912 case MSG_RESTART_INPUT: { 2913 int missingMethods = msg.arg1; 2914 args = (SomeArgs) msg.obj; 2915 try { 2916 SessionState session = (SessionState) args.arg1; 2917 setEnabledSessionInMainThread(session); 2918 session.method.restartInput((IInputContext) args.arg2, missingMethods, 2919 (EditorInfo) args.arg3); 2920 } catch (RemoteException e) { 2921 } 2922 args.recycle(); 2923 return true; 2924 } 2925 2926 // --------------------------------------------------------- 2927 2928 case MSG_UNBIND_CLIENT: 2929 try { 2930 ((IInputMethodClient)msg.obj).onUnbindMethod(msg.arg1, msg.arg2); 2931 } catch (RemoteException e) { 2932 // There is nothing interesting about the last client dying. 2933 } 2934 return true; 2935 case MSG_BIND_CLIENT: { 2936 args = (SomeArgs)msg.obj; 2937 IInputMethodClient client = (IInputMethodClient)args.arg1; 2938 InputBindResult res = (InputBindResult)args.arg2; 2939 try { 2940 client.onBindMethod(res); 2941 } catch (RemoteException e) { 2942 Slog.w(TAG, "Client died receiving input method " + args.arg2); 2943 } finally { 2944 // Dispose the channel if the input method is not local to this process 2945 // because the remote proxy will get its own copy when unparceled. 2946 if (res.channel != null && Binder.isProxy(client)) { 2947 res.channel.dispose(); 2948 } 2949 } 2950 args.recycle(); 2951 return true; 2952 } 2953 case MSG_SET_ACTIVE: 2954 try { 2955 ((ClientState)msg.obj).client.setActive(msg.arg1 != 0, msg.arg2 != 0); 2956 } catch (RemoteException e) { 2957 Slog.w(TAG, "Got RemoteException sending setActive(false) notification to pid " 2958 + ((ClientState)msg.obj).pid + " uid " 2959 + ((ClientState)msg.obj).uid); 2960 } 2961 return true; 2962 case MSG_SET_INTERACTIVE: 2963 handleSetInteractive(msg.arg1 != 0); 2964 return true; 2965 case MSG_SWITCH_IME: 2966 handleSwitchInputMethod(msg.arg1 != 0); 2967 return true; 2968 case MSG_SET_USER_ACTION_NOTIFICATION_SEQUENCE_NUMBER: { 2969 final int sequenceNumber = msg.arg1; 2970 final ClientState clientState = (ClientState)msg.obj; 2971 try { 2972 clientState.client.setUserActionNotificationSequenceNumber(sequenceNumber); 2973 } catch (RemoteException e) { 2974 Slog.w(TAG, "Got RemoteException sending " 2975 + "setUserActionNotificationSequenceNumber(" 2976 + sequenceNumber + ") notification to pid " 2977 + clientState.pid + " uid " 2978 + clientState.uid); 2979 } 2980 return true; 2981 } 2982 case MSG_REPORT_FULLSCREEN_MODE: { 2983 final boolean fullscreen = msg.arg1 != 0; 2984 final ClientState clientState = (ClientState)msg.obj; 2985 try { 2986 clientState.client.reportFullscreenMode(fullscreen); 2987 } catch (RemoteException e) { 2988 Slog.w(TAG, "Got RemoteException sending " 2989 + "reportFullscreen(" + fullscreen + ") notification to pid=" 2990 + clientState.pid + " uid=" + clientState.uid); 2991 } 2992 return true; 2993 } 2994 2995 // -------------------------------------------------------------- 2996 case MSG_HARD_KEYBOARD_SWITCH_CHANGED: 2997 mHardKeyboardListener.handleHardKeyboardStatusChange(msg.arg1 == 1); 2998 return true; 2999 case MSG_SYSTEM_UNLOCK_USER: 3000 final int userId = msg.arg1; 3001 onUnlockUser(userId); 3002 return true; 3003 } 3004 return false; 3005 } 3006 3007 private void handleSetInteractive(final boolean interactive) { 3008 synchronized (mMethodMap) { 3009 mIsInteractive = interactive; 3010 updateSystemUiLocked(mCurToken, interactive ? mImeWindowVis : 0, mBackDisposition); 3011 3012 // Inform the current client of the change in active status 3013 if (mCurClient != null && mCurClient.client != null) { 3014 executeOrSendMessage(mCurClient.client, mCaller.obtainMessageIIO( 3015 MSG_SET_ACTIVE, mIsInteractive ? 1 : 0, mInFullscreenMode ? 1 : 0, 3016 mCurClient)); 3017 } 3018 } 3019 } 3020 3021 private void handleSwitchInputMethod(final boolean forwardDirection) { 3022 synchronized (mMethodMap) { 3023 final ImeSubtypeListItem nextSubtype = mSwitchingController.getNextInputMethodLocked( 3024 false, mMethodMap.get(mCurMethodId), mCurrentSubtype, forwardDirection); 3025 if (nextSubtype == null) { 3026 return; 3027 } 3028 setInputMethodLocked(nextSubtype.mImi.getId(), nextSubtype.mSubtypeId); 3029 final InputMethodInfo newInputMethodInfo = mMethodMap.get(mCurMethodId); 3030 if (newInputMethodInfo == null) { 3031 return; 3032 } 3033 final CharSequence toastText = InputMethodUtils.getImeAndSubtypeDisplayName(mContext, 3034 newInputMethodInfo, mCurrentSubtype); 3035 if (!TextUtils.isEmpty(toastText)) { 3036 if (mSubtypeSwitchedByShortCutToast == null) { 3037 mSubtypeSwitchedByShortCutToast = Toast.makeText(mContext, toastText, 3038 Toast.LENGTH_SHORT); 3039 } else { 3040 mSubtypeSwitchedByShortCutToast.setText(toastText); 3041 } 3042 mSubtypeSwitchedByShortCutToast.show(); 3043 } 3044 } 3045 } 3046 3047 private boolean chooseNewDefaultIMELocked() { 3048 final InputMethodInfo imi = InputMethodUtils.getMostApplicableDefaultIME( 3049 mSettings.getEnabledInputMethodListLocked()); 3050 if (imi != null) { 3051 if (DEBUG) { 3052 Slog.d(TAG, "New default IME was selected: " + imi.getId()); 3053 } 3054 resetSelectedInputMethodAndSubtypeLocked(imi.getId()); 3055 return true; 3056 } 3057 3058 return false; 3059 } 3060 3061 void buildInputMethodListLocked(boolean resetDefaultEnabledIme) { 3062 if (DEBUG) { 3063 Slog.d(TAG, "--- re-buildInputMethodList reset = " + resetDefaultEnabledIme 3064 + " \n ------ caller=" + Debug.getCallers(10)); 3065 } 3066 if (!mSystemReady) { 3067 Slog.e(TAG, "buildInputMethodListLocked is not allowed until system is ready"); 3068 return; 3069 } 3070 mMethodList.clear(); 3071 mMethodMap.clear(); 3072 mMyPackageMonitor.clearPackagesToMonitorComponentChangeLocked(); 3073 3074 // Use for queryIntentServicesAsUser 3075 final PackageManager pm = mContext.getPackageManager(); 3076 3077 // Note: We do not specify PackageManager.MATCH_ENCRYPTION_* flags here because the default 3078 // behavior of PackageManager is exactly what we want. It by default picks up appropriate 3079 // services depending on the unlock state for the specified user. 3080 final List<ResolveInfo> services = pm.queryIntentServicesAsUser( 3081 new Intent(InputMethod.SERVICE_INTERFACE), 3082 PackageManager.GET_META_DATA | PackageManager.GET_DISABLED_UNTIL_USED_COMPONENTS, 3083 mSettings.getCurrentUserId()); 3084 3085 final HashMap<String, List<InputMethodSubtype>> additionalSubtypeMap = 3086 mFileManager.getAllAdditionalInputMethodSubtypes(); 3087 for (int i = 0; i < services.size(); ++i) { 3088 ResolveInfo ri = services.get(i); 3089 ServiceInfo si = ri.serviceInfo; 3090 final String imeId = InputMethodInfo.computeId(ri); 3091 if (!android.Manifest.permission.BIND_INPUT_METHOD.equals(si.permission)) { 3092 Slog.w(TAG, "Skipping input method " + imeId 3093 + ": it does not require the permission " 3094 + android.Manifest.permission.BIND_INPUT_METHOD); 3095 continue; 3096 } 3097 3098 if (DEBUG) Slog.d(TAG, "Checking " + imeId); 3099 3100 final List<InputMethodSubtype> additionalSubtypes = additionalSubtypeMap.get(imeId); 3101 try { 3102 InputMethodInfo p = new InputMethodInfo(mContext, ri, additionalSubtypes); 3103 mMethodList.add(p); 3104 final String id = p.getId(); 3105 mMethodMap.put(id, p); 3106 3107 if (DEBUG) { 3108 Slog.d(TAG, "Found an input method " + p); 3109 } 3110 } catch (Exception e) { 3111 Slog.wtf(TAG, "Unable to load input method " + imeId, e); 3112 } 3113 } 3114 3115 // Construct the set of possible IME packages for onPackageChanged() to avoid false 3116 // negatives when the package state remains to be the same but only the component state is 3117 // changed. 3118 { 3119 // Here we intentionally use PackageManager.MATCH_DISABLED_COMPONENTS since the purpose 3120 // of this query is to avoid false negatives. PackageManager.MATCH_ALL could be more 3121 // conservative, but it seems we cannot use it for now (Issue 35176630). 3122 final List<ResolveInfo> allInputMethodServices = pm.queryIntentServicesAsUser( 3123 new Intent(InputMethod.SERVICE_INTERFACE), 3124 PackageManager.MATCH_DISABLED_COMPONENTS, mSettings.getCurrentUserId()); 3125 final int N = allInputMethodServices.size(); 3126 for (int i = 0; i < N; ++i) { 3127 final ServiceInfo si = allInputMethodServices.get(i).serviceInfo; 3128 if (!android.Manifest.permission.BIND_INPUT_METHOD.equals(si.permission)) { 3129 continue; 3130 } 3131 mMyPackageMonitor.addPackageToMonitorComponentChangeLocked(si.packageName); 3132 } 3133 } 3134 3135 // TODO: The following code should find better place to live. 3136 if (!resetDefaultEnabledIme) { 3137 boolean enabledImeFound = false; 3138 final List<InputMethodInfo> enabledImes = mSettings.getEnabledInputMethodListLocked(); 3139 final int N = enabledImes.size(); 3140 for (int i = 0; i < N; ++i) { 3141 final InputMethodInfo imi = enabledImes.get(i); 3142 if (mMethodList.contains(imi)) { 3143 enabledImeFound = true; 3144 break; 3145 } 3146 } 3147 if (!enabledImeFound) { 3148 if (DEBUG) { 3149 Slog.i(TAG, "All the enabled IMEs are gone. Reset default enabled IMEs."); 3150 } 3151 resetDefaultEnabledIme = true; 3152 resetSelectedInputMethodAndSubtypeLocked(""); 3153 } 3154 } 3155 3156 if (resetDefaultEnabledIme) { 3157 final ArrayList<InputMethodInfo> defaultEnabledIme = 3158 InputMethodUtils.getDefaultEnabledImes(mContext, mMethodList); 3159 final int N = defaultEnabledIme.size(); 3160 for (int i = 0; i < N; ++i) { 3161 final InputMethodInfo imi = defaultEnabledIme.get(i); 3162 if (DEBUG) { 3163 Slog.d(TAG, "--- enable ime = " + imi); 3164 } 3165 setInputMethodEnabledLocked(imi.getId(), true); 3166 } 3167 } 3168 3169 final String defaultImiId = mSettings.getSelectedInputMethod(); 3170 if (!TextUtils.isEmpty(defaultImiId)) { 3171 if (!mMethodMap.containsKey(defaultImiId)) { 3172 Slog.w(TAG, "Default IME is uninstalled. Choose new default IME."); 3173 if (chooseNewDefaultIMELocked()) { 3174 updateInputMethodsFromSettingsLocked(true); 3175 } 3176 } else { 3177 // Double check that the default IME is certainly enabled. 3178 setInputMethodEnabledLocked(defaultImiId, true); 3179 } 3180 } 3181 // Here is not the perfect place to reset the switching controller. Ideally 3182 // mSwitchingController and mSettings should be able to share the same state. 3183 // TODO: Make sure that mSwitchingController and mSettings are sharing the 3184 // the same enabled IMEs list. 3185 mSwitchingController.resetCircularListLocked(mContext); 3186 } 3187 3188 // ---------------------------------------------------------------------- 3189 3190 private void showInputMethodAndSubtypeEnabler(String inputMethodId) { 3191 Intent intent = new Intent(Settings.ACTION_INPUT_METHOD_SUBTYPE_SETTINGS); 3192 intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK 3193 | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED 3194 | Intent.FLAG_ACTIVITY_CLEAR_TOP); 3195 if (!TextUtils.isEmpty(inputMethodId)) { 3196 intent.putExtra(Settings.EXTRA_INPUT_METHOD_ID, inputMethodId); 3197 } 3198 final int userId; 3199 synchronized (mMethodMap) { 3200 userId = mSettings.getCurrentUserId(); 3201 } 3202 mContext.startActivityAsUser(intent, null, UserHandle.of(userId)); 3203 } 3204 3205 private void showConfigureInputMethods() { 3206 Intent intent = new Intent(Settings.ACTION_INPUT_METHOD_SETTINGS); 3207 intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK 3208 | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED 3209 | Intent.FLAG_ACTIVITY_CLEAR_TOP); 3210 mContext.startActivityAsUser(intent, null, UserHandle.CURRENT); 3211 } 3212 3213 private boolean isScreenLocked() { 3214 return mKeyguardManager != null 3215 && mKeyguardManager.isKeyguardLocked() && mKeyguardManager.isKeyguardSecure(); 3216 } 3217 3218 private void showInputMethodMenu(boolean showAuxSubtypes) { 3219 if (DEBUG) Slog.v(TAG, "Show switching menu. showAuxSubtypes=" + showAuxSubtypes); 3220 3221 final Context context = mContext; 3222 final boolean isScreenLocked = isScreenLocked(); 3223 3224 final String lastInputMethodId = mSettings.getSelectedInputMethod(); 3225 int lastInputMethodSubtypeId = mSettings.getSelectedInputMethodSubtypeId(lastInputMethodId); 3226 if (DEBUG) Slog.v(TAG, "Current IME: " + lastInputMethodId); 3227 3228 synchronized (mMethodMap) { 3229 final HashMap<InputMethodInfo, List<InputMethodSubtype>> immis = 3230 mSettings.getExplicitlyOrImplicitlyEnabledInputMethodsAndSubtypeListLocked( 3231 mContext); 3232 if (immis == null || immis.size() == 0) { 3233 return; 3234 } 3235 3236 hideInputMethodMenuLocked(); 3237 3238 final List<ImeSubtypeListItem> imList = 3239 mSwitchingController.getSortedInputMethodAndSubtypeListLocked( 3240 showAuxSubtypes, isScreenLocked); 3241 3242 if (lastInputMethodSubtypeId == NOT_A_SUBTYPE_ID) { 3243 final InputMethodSubtype currentSubtype = getCurrentInputMethodSubtypeLocked(); 3244 if (currentSubtype != null) { 3245 final InputMethodInfo currentImi = mMethodMap.get(mCurMethodId); 3246 lastInputMethodSubtypeId = InputMethodUtils.getSubtypeIdFromHashCode( 3247 currentImi, currentSubtype.hashCode()); 3248 } 3249 } 3250 3251 final int N = imList.size(); 3252 mIms = new InputMethodInfo[N]; 3253 mSubtypeIds = new int[N]; 3254 int checkedItem = 0; 3255 for (int i = 0; i < N; ++i) { 3256 final ImeSubtypeListItem item = imList.get(i); 3257 mIms[i] = item.mImi; 3258 mSubtypeIds[i] = item.mSubtypeId; 3259 if (mIms[i].getId().equals(lastInputMethodId)) { 3260 int subtypeId = mSubtypeIds[i]; 3261 if ((subtypeId == NOT_A_SUBTYPE_ID) 3262 || (lastInputMethodSubtypeId == NOT_A_SUBTYPE_ID && subtypeId == 0) 3263 || (subtypeId == lastInputMethodSubtypeId)) { 3264 checkedItem = i; 3265 } 3266 } 3267 } 3268 3269 final Context settingsContext = new ContextThemeWrapper(context, 3270 com.android.internal.R.style.Theme_DeviceDefault_Settings); 3271 3272 mDialogBuilder = new AlertDialog.Builder(settingsContext); 3273 mDialogBuilder.setOnCancelListener(new OnCancelListener() { 3274 @Override 3275 public void onCancel(DialogInterface dialog) { 3276 hideInputMethodMenu(); 3277 } 3278 }); 3279 3280 final Context dialogContext = mDialogBuilder.getContext(); 3281 final TypedArray a = dialogContext.obtainStyledAttributes(null, 3282 com.android.internal.R.styleable.DialogPreference, 3283 com.android.internal.R.attr.alertDialogStyle, 0); 3284 final Drawable dialogIcon = a.getDrawable( 3285 com.android.internal.R.styleable.DialogPreference_dialogIcon); 3286 a.recycle(); 3287 3288 mDialogBuilder.setIcon(dialogIcon); 3289 3290 final LayoutInflater inflater = dialogContext.getSystemService(LayoutInflater.class); 3291 final View tv = inflater.inflate( 3292 com.android.internal.R.layout.input_method_switch_dialog_title, null); 3293 mDialogBuilder.setCustomTitle(tv); 3294 3295 // Setup layout for a toggle switch of the hardware keyboard 3296 mSwitchingDialogTitleView = tv; 3297 mSwitchingDialogTitleView 3298 .findViewById(com.android.internal.R.id.hard_keyboard_section) 3299 .setVisibility(mWindowManagerInternal.isHardKeyboardAvailable() 3300 ? View.VISIBLE : View.GONE); 3301 final Switch hardKeySwitch = (Switch) mSwitchingDialogTitleView.findViewById( 3302 com.android.internal.R.id.hard_keyboard_switch); 3303 hardKeySwitch.setChecked(mShowImeWithHardKeyboard); 3304 hardKeySwitch.setOnCheckedChangeListener(new OnCheckedChangeListener() { 3305 @Override 3306 public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) { 3307 mSettings.setShowImeWithHardKeyboard(isChecked); 3308 // Ensure that the input method dialog is dismissed when changing 3309 // the hardware keyboard state. 3310 hideInputMethodMenu(); 3311 } 3312 }); 3313 3314 final ImeSubtypeListAdapter adapter = new ImeSubtypeListAdapter(dialogContext, 3315 com.android.internal.R.layout.input_method_switch_item, imList, checkedItem); 3316 final OnClickListener choiceListener = new OnClickListener() { 3317 @Override 3318 public void onClick(final DialogInterface dialog, final int which) { 3319 synchronized (mMethodMap) { 3320 if (mIms == null || mIms.length <= which || mSubtypeIds == null 3321 || mSubtypeIds.length <= which) { 3322 return; 3323 } 3324 final InputMethodInfo im = mIms[which]; 3325 int subtypeId = mSubtypeIds[which]; 3326 adapter.mCheckedItem = which; 3327 adapter.notifyDataSetChanged(); 3328 hideInputMethodMenu(); 3329 if (im != null) { 3330 if (subtypeId < 0 || subtypeId >= im.getSubtypeCount()) { 3331 subtypeId = NOT_A_SUBTYPE_ID; 3332 } 3333 setInputMethodLocked(im.getId(), subtypeId); 3334 } 3335 } 3336 } 3337 }; 3338 mDialogBuilder.setSingleChoiceItems(adapter, checkedItem, choiceListener); 3339 3340 mSwitchingDialog = mDialogBuilder.create(); 3341 mSwitchingDialog.setCanceledOnTouchOutside(true); 3342 final Window w = mSwitchingDialog.getWindow(); 3343 final WindowManager.LayoutParams attrs = w.getAttributes(); 3344 w.setType(TYPE_INPUT_METHOD_DIALOG); 3345 // Use an alternate token for the dialog for that window manager can group the token 3346 // with other IME windows based on type vs. grouping based on whichever token happens 3347 // to get selected by the system later on. 3348 attrs.token = mSwitchingDialogToken; 3349 attrs.privateFlags |= PRIVATE_FLAG_SHOW_FOR_ALL_USERS; 3350 attrs.setTitle("Select input method"); 3351 w.setAttributes(attrs); 3352 updateSystemUi(mCurToken, mImeWindowVis, mBackDisposition); 3353 mSwitchingDialog.show(); 3354 } 3355 } 3356 3357 private static class ImeSubtypeListAdapter extends ArrayAdapter<ImeSubtypeListItem> { 3358 private final LayoutInflater mInflater; 3359 private final int mTextViewResourceId; 3360 private final List<ImeSubtypeListItem> mItemsList; 3361 public int mCheckedItem; 3362 public ImeSubtypeListAdapter(Context context, int textViewResourceId, 3363 List<ImeSubtypeListItem> itemsList, int checkedItem) { 3364 super(context, textViewResourceId, itemsList); 3365 3366 mTextViewResourceId = textViewResourceId; 3367 mItemsList = itemsList; 3368 mCheckedItem = checkedItem; 3369 mInflater = context.getSystemService(LayoutInflater.class); 3370 } 3371 3372 @Override 3373 public View getView(int position, View convertView, ViewGroup parent) { 3374 final View view = convertView != null ? convertView 3375 : mInflater.inflate(mTextViewResourceId, null); 3376 if (position < 0 || position >= mItemsList.size()) return view; 3377 final ImeSubtypeListItem item = mItemsList.get(position); 3378 final CharSequence imeName = item.mImeName; 3379 final CharSequence subtypeName = item.mSubtypeName; 3380 final TextView firstTextView = (TextView)view.findViewById(android.R.id.text1); 3381 final TextView secondTextView = (TextView)view.findViewById(android.R.id.text2); 3382 if (TextUtils.isEmpty(subtypeName)) { 3383 firstTextView.setText(imeName); 3384 secondTextView.setVisibility(View.GONE); 3385 } else { 3386 firstTextView.setText(subtypeName); 3387 secondTextView.setText(imeName); 3388 secondTextView.setVisibility(View.VISIBLE); 3389 } 3390 final RadioButton radioButton = 3391 (RadioButton)view.findViewById(com.android.internal.R.id.radio); 3392 radioButton.setChecked(position == mCheckedItem); 3393 return view; 3394 } 3395 } 3396 3397 void hideInputMethodMenu() { 3398 synchronized (mMethodMap) { 3399 hideInputMethodMenuLocked(); 3400 } 3401 } 3402 3403 void hideInputMethodMenuLocked() { 3404 if (DEBUG) Slog.v(TAG, "Hide switching menu"); 3405 3406 if (mSwitchingDialog != null) { 3407 mSwitchingDialog.dismiss(); 3408 mSwitchingDialog = null; 3409 } 3410 3411 updateSystemUiLocked(mCurToken, mImeWindowVis, mBackDisposition); 3412 mDialogBuilder = null; 3413 mIms = null; 3414 } 3415 3416 // ---------------------------------------------------------------------- 3417 3418 @Override 3419 public boolean setInputMethodEnabled(String id, boolean enabled) { 3420 // TODO: Make this work even for non-current users? 3421 if (!calledFromValidUser()) { 3422 return false; 3423 } 3424 synchronized (mMethodMap) { 3425 if (mContext.checkCallingOrSelfPermission( 3426 android.Manifest.permission.WRITE_SECURE_SETTINGS) 3427 != PackageManager.PERMISSION_GRANTED) { 3428 throw new SecurityException( 3429 "Requires permission " 3430 + android.Manifest.permission.WRITE_SECURE_SETTINGS); 3431 } 3432 3433 long ident = Binder.clearCallingIdentity(); 3434 try { 3435 return setInputMethodEnabledLocked(id, enabled); 3436 } finally { 3437 Binder.restoreCallingIdentity(ident); 3438 } 3439 } 3440 } 3441 3442 boolean setInputMethodEnabledLocked(String id, boolean enabled) { 3443 // Make sure this is a valid input method. 3444 InputMethodInfo imm = mMethodMap.get(id); 3445 if (imm == null) { 3446 throw new IllegalArgumentException("Unknown id: " + mCurMethodId); 3447 } 3448 3449 List<Pair<String, ArrayList<String>>> enabledInputMethodsList = mSettings 3450 .getEnabledInputMethodsAndSubtypeListLocked(); 3451 3452 if (enabled) { 3453 for (Pair<String, ArrayList<String>> pair: enabledInputMethodsList) { 3454 if (pair.first.equals(id)) { 3455 // We are enabling this input method, but it is already enabled. 3456 // Nothing to do. The previous state was enabled. 3457 return true; 3458 } 3459 } 3460 mSettings.appendAndPutEnabledInputMethodLocked(id, false); 3461 // Previous state was disabled. 3462 return false; 3463 } else { 3464 StringBuilder builder = new StringBuilder(); 3465 if (mSettings.buildAndPutEnabledInputMethodsStrRemovingIdLocked( 3466 builder, enabledInputMethodsList, id)) { 3467 // Disabled input method is currently selected, switch to another one. 3468 final String selId = mSettings.getSelectedInputMethod(); 3469 if (id.equals(selId) && !chooseNewDefaultIMELocked()) { 3470 Slog.i(TAG, "Can't find new IME, unsetting the current input method."); 3471 resetSelectedInputMethodAndSubtypeLocked(""); 3472 } 3473 // Previous state was enabled. 3474 return true; 3475 } else { 3476 // We are disabling the input method but it is already disabled. 3477 // Nothing to do. The previous state was disabled. 3478 return false; 3479 } 3480 } 3481 } 3482 3483 private void setSelectedInputMethodAndSubtypeLocked(InputMethodInfo imi, int subtypeId, 3484 boolean setSubtypeOnly) { 3485 // Update the history of InputMethod and Subtype 3486 mSettings.saveCurrentInputMethodAndSubtypeToHistory(mCurMethodId, mCurrentSubtype); 3487 3488 mCurUserActionNotificationSequenceNumber = 3489 Math.max(mCurUserActionNotificationSequenceNumber + 1, 1); 3490 if (DEBUG) { 3491 Slog.d(TAG, "Bump mCurUserActionNotificationSequenceNumber:" 3492 + mCurUserActionNotificationSequenceNumber); 3493 } 3494 3495 if (mCurClient != null && mCurClient.client != null) { 3496 executeOrSendMessage(mCurClient.client, mCaller.obtainMessageIO( 3497 MSG_SET_USER_ACTION_NOTIFICATION_SEQUENCE_NUMBER, 3498 mCurUserActionNotificationSequenceNumber, mCurClient)); 3499 } 3500 3501 // Set Subtype here 3502 if (imi == null || subtypeId < 0) { 3503 mSettings.putSelectedSubtype(NOT_A_SUBTYPE_ID); 3504 mCurrentSubtype = null; 3505 } else { 3506 if (subtypeId < imi.getSubtypeCount()) { 3507 InputMethodSubtype subtype = imi.getSubtypeAt(subtypeId); 3508 mSettings.putSelectedSubtype(subtype.hashCode()); 3509 mCurrentSubtype = subtype; 3510 } else { 3511 mSettings.putSelectedSubtype(NOT_A_SUBTYPE_ID); 3512 // If the subtype is not specified, choose the most applicable one 3513 mCurrentSubtype = getCurrentInputMethodSubtypeLocked(); 3514 } 3515 } 3516 3517 if (!setSubtypeOnly) { 3518 // Set InputMethod here 3519 mSettings.putSelectedInputMethod(imi != null ? imi.getId() : ""); 3520 } 3521 } 3522 3523 private void resetSelectedInputMethodAndSubtypeLocked(String newDefaultIme) { 3524 InputMethodInfo imi = mMethodMap.get(newDefaultIme); 3525 int lastSubtypeId = NOT_A_SUBTYPE_ID; 3526 // newDefaultIme is empty when there is no candidate for the selected IME. 3527 if (imi != null && !TextUtils.isEmpty(newDefaultIme)) { 3528 String subtypeHashCode = mSettings.getLastSubtypeForInputMethodLocked(newDefaultIme); 3529 if (subtypeHashCode != null) { 3530 try { 3531 lastSubtypeId = InputMethodUtils.getSubtypeIdFromHashCode( 3532 imi, Integer.parseInt(subtypeHashCode)); 3533 } catch (NumberFormatException e) { 3534 Slog.w(TAG, "HashCode for subtype looks broken: " + subtypeHashCode, e); 3535 } 3536 } 3537 } 3538 setSelectedInputMethodAndSubtypeLocked(imi, lastSubtypeId, false); 3539 } 3540 3541 // If there are no selected shortcuts, tries finding the most applicable ones. 3542 private Pair<InputMethodInfo, InputMethodSubtype> 3543 findLastResortApplicableShortcutInputMethodAndSubtypeLocked(String mode) { 3544 List<InputMethodInfo> imis = mSettings.getEnabledInputMethodListLocked(); 3545 InputMethodInfo mostApplicableIMI = null; 3546 InputMethodSubtype mostApplicableSubtype = null; 3547 boolean foundInSystemIME = false; 3548 3549 // Search applicable subtype for each InputMethodInfo 3550 for (InputMethodInfo imi: imis) { 3551 final String imiId = imi.getId(); 3552 if (foundInSystemIME && !imiId.equals(mCurMethodId)) { 3553 continue; 3554 } 3555 InputMethodSubtype subtype = null; 3556 final List<InputMethodSubtype> enabledSubtypes = 3557 mSettings.getEnabledInputMethodSubtypeListLocked(mContext, imi, true); 3558 // 1. Search by the current subtype's locale from enabledSubtypes. 3559 if (mCurrentSubtype != null) { 3560 subtype = InputMethodUtils.findLastResortApplicableSubtypeLocked( 3561 mRes, enabledSubtypes, mode, mCurrentSubtype.getLocale(), false); 3562 } 3563 // 2. Search by the system locale from enabledSubtypes. 3564 // 3. Search the first enabled subtype matched with mode from enabledSubtypes. 3565 if (subtype == null) { 3566 subtype = InputMethodUtils.findLastResortApplicableSubtypeLocked( 3567 mRes, enabledSubtypes, mode, null, true); 3568 } 3569 final ArrayList<InputMethodSubtype> overridingImplicitlyEnabledSubtypes = 3570 InputMethodUtils.getOverridingImplicitlyEnabledSubtypes(imi, mode); 3571 final ArrayList<InputMethodSubtype> subtypesForSearch = 3572 overridingImplicitlyEnabledSubtypes.isEmpty() 3573 ? InputMethodUtils.getSubtypes(imi) 3574 : overridingImplicitlyEnabledSubtypes; 3575 // 4. Search by the current subtype's locale from all subtypes. 3576 if (subtype == null && mCurrentSubtype != null) { 3577 subtype = InputMethodUtils.findLastResortApplicableSubtypeLocked( 3578 mRes, subtypesForSearch, mode, mCurrentSubtype.getLocale(), false); 3579 } 3580 // 5. Search by the system locale from all subtypes. 3581 // 6. Search the first enabled subtype matched with mode from all subtypes. 3582 if (subtype == null) { 3583 subtype = InputMethodUtils.findLastResortApplicableSubtypeLocked( 3584 mRes, subtypesForSearch, mode, null, true); 3585 } 3586 if (subtype != null) { 3587 if (imiId.equals(mCurMethodId)) { 3588 // The current input method is the most applicable IME. 3589 mostApplicableIMI = imi; 3590 mostApplicableSubtype = subtype; 3591 break; 3592 } else if (!foundInSystemIME) { 3593 // The system input method is 2nd applicable IME. 3594 mostApplicableIMI = imi; 3595 mostApplicableSubtype = subtype; 3596 if ((imi.getServiceInfo().applicationInfo.flags 3597 & ApplicationInfo.FLAG_SYSTEM) != 0) { 3598 foundInSystemIME = true; 3599 } 3600 } 3601 } 3602 } 3603 if (DEBUG) { 3604 if (mostApplicableIMI != null) { 3605 Slog.w(TAG, "Most applicable shortcut input method was:" 3606 + mostApplicableIMI.getId()); 3607 if (mostApplicableSubtype != null) { 3608 Slog.w(TAG, "Most applicable shortcut input method subtype was:" 3609 + "," + mostApplicableSubtype.getMode() + "," 3610 + mostApplicableSubtype.getLocale()); 3611 } 3612 } 3613 } 3614 if (mostApplicableIMI != null) { 3615 return new Pair<> (mostApplicableIMI, mostApplicableSubtype); 3616 } else { 3617 return null; 3618 } 3619 } 3620 3621 /** 3622 * @return Return the current subtype of this input method. 3623 */ 3624 @Override 3625 public InputMethodSubtype getCurrentInputMethodSubtype() { 3626 // TODO: Make this work even for non-current users? 3627 if (!calledFromValidUser()) { 3628 return null; 3629 } 3630 synchronized (mMethodMap) { 3631 return getCurrentInputMethodSubtypeLocked(); 3632 } 3633 } 3634 3635 private InputMethodSubtype getCurrentInputMethodSubtypeLocked() { 3636 if (mCurMethodId == null) { 3637 return null; 3638 } 3639 final boolean subtypeIsSelected = mSettings.isSubtypeSelected(); 3640 final InputMethodInfo imi = mMethodMap.get(mCurMethodId); 3641 if (imi == null || imi.getSubtypeCount() == 0) { 3642 return null; 3643 } 3644 if (!subtypeIsSelected || mCurrentSubtype == null 3645 || !InputMethodUtils.isValidSubtypeId(imi, mCurrentSubtype.hashCode())) { 3646 int subtypeId = mSettings.getSelectedInputMethodSubtypeId(mCurMethodId); 3647 if (subtypeId == NOT_A_SUBTYPE_ID) { 3648 // If there are no selected subtypes, the framework will try to find 3649 // the most applicable subtype from explicitly or implicitly enabled 3650 // subtypes. 3651 List<InputMethodSubtype> explicitlyOrImplicitlyEnabledSubtypes = 3652 mSettings.getEnabledInputMethodSubtypeListLocked(mContext, imi, true); 3653 // If there is only one explicitly or implicitly enabled subtype, 3654 // just returns it. 3655 if (explicitlyOrImplicitlyEnabledSubtypes.size() == 1) { 3656 mCurrentSubtype = explicitlyOrImplicitlyEnabledSubtypes.get(0); 3657 } else if (explicitlyOrImplicitlyEnabledSubtypes.size() > 1) { 3658 mCurrentSubtype = InputMethodUtils.findLastResortApplicableSubtypeLocked( 3659 mRes, explicitlyOrImplicitlyEnabledSubtypes, 3660 InputMethodUtils.SUBTYPE_MODE_KEYBOARD, null, true); 3661 if (mCurrentSubtype == null) { 3662 mCurrentSubtype = InputMethodUtils.findLastResortApplicableSubtypeLocked( 3663 mRes, explicitlyOrImplicitlyEnabledSubtypes, null, null, 3664 true); 3665 } 3666 } 3667 } else { 3668 mCurrentSubtype = InputMethodUtils.getSubtypes(imi).get(subtypeId); 3669 } 3670 } 3671 return mCurrentSubtype; 3672 } 3673 3674 // TODO: We should change the return type from List to List<Parcelable> 3675 @SuppressWarnings("rawtypes") 3676 @Override 3677 public List getShortcutInputMethodsAndSubtypes() { 3678 synchronized (mMethodMap) { 3679 ArrayList<Object> ret = new ArrayList<>(); 3680 if (mShortcutInputMethodsAndSubtypes.size() == 0) { 3681 // If there are no selected shortcut subtypes, the framework will try to find 3682 // the most applicable subtype from all subtypes whose mode is 3683 // SUBTYPE_MODE_VOICE. This is an exceptional case, so we will hardcode the mode. 3684 Pair<InputMethodInfo, InputMethodSubtype> info = 3685 findLastResortApplicableShortcutInputMethodAndSubtypeLocked( 3686 InputMethodUtils.SUBTYPE_MODE_VOICE); 3687 if (info != null) { 3688 ret.add(info.first); 3689 ret.add(info.second); 3690 } 3691 return ret; 3692 } 3693 for (InputMethodInfo imi: mShortcutInputMethodsAndSubtypes.keySet()) { 3694 ret.add(imi); 3695 for (InputMethodSubtype subtype: mShortcutInputMethodsAndSubtypes.get(imi)) { 3696 ret.add(subtype); 3697 } 3698 } 3699 return ret; 3700 } 3701 } 3702 3703 @Override 3704 public boolean setCurrentInputMethodSubtype(InputMethodSubtype subtype) { 3705 // TODO: Make this work even for non-current users? 3706 if (!calledFromValidUser()) { 3707 return false; 3708 } 3709 synchronized (mMethodMap) { 3710 if (subtype != null && mCurMethodId != null) { 3711 InputMethodInfo imi = mMethodMap.get(mCurMethodId); 3712 int subtypeId = InputMethodUtils.getSubtypeIdFromHashCode(imi, subtype.hashCode()); 3713 if (subtypeId != NOT_A_SUBTYPE_ID) { 3714 setInputMethodLocked(mCurMethodId, subtypeId); 3715 return true; 3716 } 3717 } 3718 return false; 3719 } 3720 } 3721 3722 // TODO: Cache the state for each user and reset when the cached user is removed. 3723 private static class InputMethodFileManager { 3724 private static final String SYSTEM_PATH = "system"; 3725 private static final String INPUT_METHOD_PATH = "inputmethod"; 3726 private static final String ADDITIONAL_SUBTYPES_FILE_NAME = "subtypes.xml"; 3727 private static final String NODE_SUBTYPES = "subtypes"; 3728 private static final String NODE_SUBTYPE = "subtype"; 3729 private static final String NODE_IMI = "imi"; 3730 private static final String ATTR_ID = "id"; 3731 private static final String ATTR_LABEL = "label"; 3732 private static final String ATTR_ICON = "icon"; 3733 private static final String ATTR_IME_SUBTYPE_ID = "subtypeId"; 3734 private static final String ATTR_IME_SUBTYPE_LOCALE = "imeSubtypeLocale"; 3735 private static final String ATTR_IME_SUBTYPE_LANGUAGE_TAG = "languageTag"; 3736 private static final String ATTR_IME_SUBTYPE_MODE = "imeSubtypeMode"; 3737 private static final String ATTR_IME_SUBTYPE_EXTRA_VALUE = "imeSubtypeExtraValue"; 3738 private static final String ATTR_IS_AUXILIARY = "isAuxiliary"; 3739 private static final String ATTR_IS_ASCII_CAPABLE = "isAsciiCapable"; 3740 private final AtomicFile mAdditionalInputMethodSubtypeFile; 3741 private final HashMap<String, InputMethodInfo> mMethodMap; 3742 private final HashMap<String, List<InputMethodSubtype>> mAdditionalSubtypesMap = 3743 new HashMap<>(); 3744 public InputMethodFileManager(HashMap<String, InputMethodInfo> methodMap, int userId) { 3745 if (methodMap == null) { 3746 throw new NullPointerException("methodMap is null"); 3747 } 3748 mMethodMap = methodMap; 3749 final File systemDir = userId == UserHandle.USER_SYSTEM 3750 ? new File(Environment.getDataDirectory(), SYSTEM_PATH) 3751 : Environment.getUserSystemDirectory(userId); 3752 final File inputMethodDir = new File(systemDir, INPUT_METHOD_PATH); 3753 if (!inputMethodDir.exists() && !inputMethodDir.mkdirs()) { 3754 Slog.w(TAG, "Couldn't create dir.: " + inputMethodDir.getAbsolutePath()); 3755 } 3756 final File subtypeFile = new File(inputMethodDir, ADDITIONAL_SUBTYPES_FILE_NAME); 3757 mAdditionalInputMethodSubtypeFile = new AtomicFile(subtypeFile); 3758 if (!subtypeFile.exists()) { 3759 // If "subtypes.xml" doesn't exist, create a blank file. 3760 writeAdditionalInputMethodSubtypes( 3761 mAdditionalSubtypesMap, mAdditionalInputMethodSubtypeFile, methodMap); 3762 } else { 3763 readAdditionalInputMethodSubtypes( 3764 mAdditionalSubtypesMap, mAdditionalInputMethodSubtypeFile); 3765 } 3766 } 3767 3768 private void deleteAllInputMethodSubtypes(String imiId) { 3769 synchronized (mMethodMap) { 3770 mAdditionalSubtypesMap.remove(imiId); 3771 writeAdditionalInputMethodSubtypes( 3772 mAdditionalSubtypesMap, mAdditionalInputMethodSubtypeFile, mMethodMap); 3773 } 3774 } 3775 3776 public void addInputMethodSubtypes( 3777 InputMethodInfo imi, InputMethodSubtype[] additionalSubtypes) { 3778 synchronized (mMethodMap) { 3779 final ArrayList<InputMethodSubtype> subtypes = new ArrayList<>(); 3780 final int N = additionalSubtypes.length; 3781 for (int i = 0; i < N; ++i) { 3782 final InputMethodSubtype subtype = additionalSubtypes[i]; 3783 if (!subtypes.contains(subtype)) { 3784 subtypes.add(subtype); 3785 } else { 3786 Slog.w(TAG, "Duplicated subtype definition found: " 3787 + subtype.getLocale() + ", " + subtype.getMode()); 3788 } 3789 } 3790 mAdditionalSubtypesMap.put(imi.getId(), subtypes); 3791 writeAdditionalInputMethodSubtypes( 3792 mAdditionalSubtypesMap, mAdditionalInputMethodSubtypeFile, mMethodMap); 3793 } 3794 } 3795 3796 public HashMap<String, List<InputMethodSubtype>> getAllAdditionalInputMethodSubtypes() { 3797 synchronized (mMethodMap) { 3798 return mAdditionalSubtypesMap; 3799 } 3800 } 3801 3802 private static void writeAdditionalInputMethodSubtypes( 3803 HashMap<String, List<InputMethodSubtype>> allSubtypes, AtomicFile subtypesFile, 3804 HashMap<String, InputMethodInfo> methodMap) { 3805 // Safety net for the case that this function is called before methodMap is set. 3806 final boolean isSetMethodMap = methodMap != null && methodMap.size() > 0; 3807 FileOutputStream fos = null; 3808 try { 3809 fos = subtypesFile.startWrite(); 3810 final XmlSerializer out = new FastXmlSerializer(); 3811 out.setOutput(fos, StandardCharsets.UTF_8.name()); 3812 out.startDocument(null, true); 3813 out.setFeature("http://xmlpull.org/v1/doc/features.html#indent-output", true); 3814 out.startTag(null, NODE_SUBTYPES); 3815 for (String imiId : allSubtypes.keySet()) { 3816 if (isSetMethodMap && !methodMap.containsKey(imiId)) { 3817 Slog.w(TAG, "IME uninstalled or not valid.: " + imiId); 3818 continue; 3819 } 3820 out.startTag(null, NODE_IMI); 3821 out.attribute(null, ATTR_ID, imiId); 3822 final List<InputMethodSubtype> subtypesList = allSubtypes.get(imiId); 3823 final int N = subtypesList.size(); 3824 for (int i = 0; i < N; ++i) { 3825 final InputMethodSubtype subtype = subtypesList.get(i); 3826 out.startTag(null, NODE_SUBTYPE); 3827 if (subtype.hasSubtypeId()) { 3828 out.attribute(null, ATTR_IME_SUBTYPE_ID, 3829 String.valueOf(subtype.getSubtypeId())); 3830 } 3831 out.attribute(null, ATTR_ICON, String.valueOf(subtype.getIconResId())); 3832 out.attribute(null, ATTR_LABEL, String.valueOf(subtype.getNameResId())); 3833 out.attribute(null, ATTR_IME_SUBTYPE_LOCALE, subtype.getLocale()); 3834 out.attribute(null, ATTR_IME_SUBTYPE_LANGUAGE_TAG, 3835 subtype.getLanguageTag()); 3836 out.attribute(null, ATTR_IME_SUBTYPE_MODE, subtype.getMode()); 3837 out.attribute(null, ATTR_IME_SUBTYPE_EXTRA_VALUE, subtype.getExtraValue()); 3838 out.attribute(null, ATTR_IS_AUXILIARY, 3839 String.valueOf(subtype.isAuxiliary() ? 1 : 0)); 3840 out.attribute(null, ATTR_IS_ASCII_CAPABLE, 3841 String.valueOf(subtype.isAsciiCapable() ? 1 : 0)); 3842 out.endTag(null, NODE_SUBTYPE); 3843 } 3844 out.endTag(null, NODE_IMI); 3845 } 3846 out.endTag(null, NODE_SUBTYPES); 3847 out.endDocument(); 3848 subtypesFile.finishWrite(fos); 3849 } catch (java.io.IOException e) { 3850 Slog.w(TAG, "Error writing subtypes", e); 3851 if (fos != null) { 3852 subtypesFile.failWrite(fos); 3853 } 3854 } 3855 } 3856 3857 private static void readAdditionalInputMethodSubtypes( 3858 HashMap<String, List<InputMethodSubtype>> allSubtypes, AtomicFile subtypesFile) { 3859 if (allSubtypes == null || subtypesFile == null) return; 3860 allSubtypes.clear(); 3861 try (final FileInputStream fis = subtypesFile.openRead()) { 3862 final XmlPullParser parser = Xml.newPullParser(); 3863 parser.setInput(fis, StandardCharsets.UTF_8.name()); 3864 int type = parser.getEventType(); 3865 // Skip parsing until START_TAG 3866 while ((type = parser.next()) != XmlPullParser.START_TAG 3867 && type != XmlPullParser.END_DOCUMENT) {} 3868 String firstNodeName = parser.getName(); 3869 if (!NODE_SUBTYPES.equals(firstNodeName)) { 3870 throw new XmlPullParserException("Xml doesn't start with subtypes"); 3871 } 3872 final int depth =parser.getDepth(); 3873 String currentImiId = null; 3874 ArrayList<InputMethodSubtype> tempSubtypesArray = null; 3875 while (((type = parser.next()) != XmlPullParser.END_TAG 3876 || parser.getDepth() > depth) && type != XmlPullParser.END_DOCUMENT) { 3877 if (type != XmlPullParser.START_TAG) 3878 continue; 3879 final String nodeName = parser.getName(); 3880 if (NODE_IMI.equals(nodeName)) { 3881 currentImiId = parser.getAttributeValue(null, ATTR_ID); 3882 if (TextUtils.isEmpty(currentImiId)) { 3883 Slog.w(TAG, "Invalid imi id found in subtypes.xml"); 3884 continue; 3885 } 3886 tempSubtypesArray = new ArrayList<>(); 3887 allSubtypes.put(currentImiId, tempSubtypesArray); 3888 } else if (NODE_SUBTYPE.equals(nodeName)) { 3889 if (TextUtils.isEmpty(currentImiId) || tempSubtypesArray == null) { 3890 Slog.w(TAG, "IME uninstalled or not valid.: " + currentImiId); 3891 continue; 3892 } 3893 final int icon = Integer.parseInt( 3894 parser.getAttributeValue(null, ATTR_ICON)); 3895 final int label = Integer.parseInt( 3896 parser.getAttributeValue(null, ATTR_LABEL)); 3897 final String imeSubtypeLocale = 3898 parser.getAttributeValue(null, ATTR_IME_SUBTYPE_LOCALE); 3899 final String languageTag = 3900 parser.getAttributeValue(null, ATTR_IME_SUBTYPE_LANGUAGE_TAG); 3901 final String imeSubtypeMode = 3902 parser.getAttributeValue(null, ATTR_IME_SUBTYPE_MODE); 3903 final String imeSubtypeExtraValue = 3904 parser.getAttributeValue(null, ATTR_IME_SUBTYPE_EXTRA_VALUE); 3905 final boolean isAuxiliary = "1".equals(String.valueOf( 3906 parser.getAttributeValue(null, ATTR_IS_AUXILIARY))); 3907 final boolean isAsciiCapable = "1".equals(String.valueOf( 3908 parser.getAttributeValue(null, ATTR_IS_ASCII_CAPABLE))); 3909 final InputMethodSubtypeBuilder builder = new InputMethodSubtypeBuilder() 3910 .setSubtypeNameResId(label) 3911 .setSubtypeIconResId(icon) 3912 .setSubtypeLocale(imeSubtypeLocale) 3913 .setLanguageTag(languageTag) 3914 .setSubtypeMode(imeSubtypeMode) 3915 .setSubtypeExtraValue(imeSubtypeExtraValue) 3916 .setIsAuxiliary(isAuxiliary) 3917 .setIsAsciiCapable(isAsciiCapable); 3918 final String subtypeIdString = 3919 parser.getAttributeValue(null, ATTR_IME_SUBTYPE_ID); 3920 if (subtypeIdString != null) { 3921 builder.setSubtypeId(Integer.parseInt(subtypeIdString)); 3922 } 3923 tempSubtypesArray.add(builder.build()); 3924 } 3925 } 3926 } catch (XmlPullParserException | IOException | NumberFormatException e) { 3927 Slog.w(TAG, "Error reading subtypes", e); 3928 return; 3929 } 3930 } 3931 } 3932 3933 private static final class LocalServiceImpl implements InputMethodManagerInternal { 3934 @NonNull 3935 private final Handler mHandler; 3936 3937 LocalServiceImpl(@NonNull final Handler handler) { 3938 mHandler = handler; 3939 } 3940 3941 @Override 3942 public void setInteractive(boolean interactive) { 3943 // Do everything in handler so as not to block the caller. 3944 mHandler.sendMessage(mHandler.obtainMessage(MSG_SET_INTERACTIVE, 3945 interactive ? 1 : 0, 0)); 3946 } 3947 3948 @Override 3949 public void switchInputMethod(boolean forwardDirection) { 3950 // Do everything in handler so as not to block the caller. 3951 mHandler.sendMessage(mHandler.obtainMessage(MSG_SWITCH_IME, 3952 forwardDirection ? 1 : 0, 0)); 3953 } 3954 3955 @Override 3956 public void hideCurrentInputMethod() { 3957 mHandler.removeMessages(MSG_HIDE_CURRENT_INPUT_METHOD); 3958 mHandler.sendEmptyMessage(MSG_HIDE_CURRENT_INPUT_METHOD); 3959 } 3960 } 3961 3962 private static String imeWindowStatusToString(final int imeWindowVis) { 3963 final StringBuilder sb = new StringBuilder(); 3964 boolean first = true; 3965 if ((imeWindowVis & InputMethodService.IME_ACTIVE) != 0) { 3966 sb.append("Active"); 3967 first = false; 3968 } 3969 if ((imeWindowVis & InputMethodService.IME_VISIBLE) != 0) { 3970 if (!first) { 3971 sb.append("|"); 3972 } 3973 sb.append("Visible"); 3974 } 3975 return sb.toString(); 3976 } 3977 3978 @Override 3979 public IInputContentUriToken createInputContentUriToken(@Nullable IBinder token, 3980 @Nullable Uri contentUri, @Nullable String packageName) { 3981 if (!calledFromValidUser()) { 3982 return null; 3983 } 3984 3985 if (token == null) { 3986 throw new NullPointerException("token"); 3987 } 3988 if (packageName == null) { 3989 throw new NullPointerException("packageName"); 3990 } 3991 if (contentUri == null) { 3992 throw new NullPointerException("contentUri"); 3993 } 3994 final String contentUriScheme = contentUri.getScheme(); 3995 if (!"content".equals(contentUriScheme)) { 3996 throw new InvalidParameterException("contentUri must have content scheme"); 3997 } 3998 3999 synchronized (mMethodMap) { 4000 final int uid = Binder.getCallingUid(); 4001 if (mCurMethodId == null) { 4002 return null; 4003 } 4004 if (mCurToken != token) { 4005 Slog.e(TAG, "Ignoring createInputContentUriToken mCurToken=" + mCurToken 4006 + " token=" + token); 4007 return null; 4008 } 4009 // We cannot simply distinguish a bad IME that reports an arbitrary package name from 4010 // an unfortunate IME whose internal state is already obsolete due to the asynchronous 4011 // nature of our system. Let's compare it with our internal record. 4012 if (!TextUtils.equals(mCurAttribute.packageName, packageName)) { 4013 Slog.e(TAG, "Ignoring createInputContentUriToken mCurAttribute.packageName=" 4014 + mCurAttribute.packageName + " packageName=" + packageName); 4015 return null; 4016 } 4017 // This user ID can never bee spoofed. 4018 final int imeUserId = UserHandle.getUserId(uid); 4019 // This user ID can never bee spoofed. 4020 final int appUserId = UserHandle.getUserId(mCurClient.uid); 4021 // This user ID may be invalid if "contentUri" embedded an invalid user ID. 4022 final int contentUriOwnerUserId = ContentProvider.getUserIdFromUri(contentUri, 4023 imeUserId); 4024 final Uri contentUriWithoutUserId = ContentProvider.getUriWithoutUserId(contentUri); 4025 // Note: InputContentUriTokenHandler.take() checks whether the IME (specified by "uid") 4026 // actually has the right to grant a read permission for "contentUriWithoutUserId" that 4027 // is claimed to belong to "contentUriOwnerUserId". For example, specifying random 4028 // content URI and/or contentUriOwnerUserId just results in a SecurityException thrown 4029 // from InputContentUriTokenHandler.take() and can never be allowed beyond what is 4030 // actually allowed to "uid", which is guaranteed to be the IME's one. 4031 return new InputContentUriTokenHandler(contentUriWithoutUserId, uid, 4032 packageName, contentUriOwnerUserId, appUserId); 4033 } 4034 } 4035 4036 @Override 4037 public void reportFullscreenMode(IBinder token, boolean fullscreen) { 4038 if (!calledFromValidUser()) { 4039 return; 4040 } 4041 synchronized (mMethodMap) { 4042 if (!calledWithValidToken(token)) { 4043 return; 4044 } 4045 if (mCurClient != null && mCurClient.client != null) { 4046 mInFullscreenMode = fullscreen; 4047 executeOrSendMessage(mCurClient.client, mCaller.obtainMessageIO( 4048 MSG_REPORT_FULLSCREEN_MODE, fullscreen ? 1 : 0, mCurClient)); 4049 } 4050 } 4051 } 4052 4053 @Override 4054 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 4055 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 4056 != PackageManager.PERMISSION_GRANTED) { 4057 4058 pw.println("Permission Denial: can't dump InputMethodManager from from pid=" 4059 + Binder.getCallingPid() 4060 + ", uid=" + Binder.getCallingUid()); 4061 return; 4062 } 4063 4064 IInputMethod method; 4065 ClientState client; 4066 ClientState focusedWindowClient; 4067 4068 final Printer p = new PrintWriterPrinter(pw); 4069 4070 synchronized (mMethodMap) { 4071 p.println("Current Input Method Manager state:"); 4072 int N = mMethodList.size(); 4073 p.println(" Input Methods:"); 4074 for (int i=0; i<N; i++) { 4075 InputMethodInfo info = mMethodList.get(i); 4076 p.println(" InputMethod #" + i + ":"); 4077 info.dump(p, " "); 4078 } 4079 p.println(" Clients:"); 4080 for (ClientState ci : mClients.values()) { 4081 p.println(" Client " + ci + ":"); 4082 p.println(" client=" + ci.client); 4083 p.println(" inputContext=" + ci.inputContext); 4084 p.println(" sessionRequested=" + ci.sessionRequested); 4085 p.println(" curSession=" + ci.curSession); 4086 } 4087 p.println(" mCurMethodId=" + mCurMethodId); 4088 client = mCurClient; 4089 p.println(" mCurClient=" + client + " mCurSeq=" + mCurSeq); 4090 p.println(" mCurFocusedWindow=" + mCurFocusedWindow); 4091 focusedWindowClient = mCurFocusedWindowClient; 4092 p.println(" mCurFocusedWindowClient=" + focusedWindowClient); 4093 p.println(" mCurId=" + mCurId + " mHaveConnect=" + mHaveConnection 4094 + " mBoundToMethod=" + mBoundToMethod); 4095 p.println(" mCurToken=" + mCurToken); 4096 p.println(" mCurIntent=" + mCurIntent); 4097 method = mCurMethod; 4098 p.println(" mCurMethod=" + mCurMethod); 4099 p.println(" mEnabledSession=" + mEnabledSession); 4100 p.println(" mImeWindowVis=" + imeWindowStatusToString(mImeWindowVis)); 4101 p.println(" mShowRequested=" + mShowRequested 4102 + " mShowExplicitlyRequested=" + mShowExplicitlyRequested 4103 + " mShowForced=" + mShowForced 4104 + " mInputShown=" + mInputShown); 4105 p.println(" mInFullscreenMode=" + mInFullscreenMode); 4106 p.println(" mCurUserActionNotificationSequenceNumber=" 4107 + mCurUserActionNotificationSequenceNumber); 4108 p.println(" mSystemReady=" + mSystemReady + " mInteractive=" + mIsInteractive); 4109 p.println(" mSettingsObserver=" + mSettingsObserver); 4110 p.println(" mSwitchingController:"); 4111 mSwitchingController.dump(p); 4112 p.println(" mSettings:"); 4113 mSettings.dumpLocked(p, " "); 4114 } 4115 4116 p.println(" "); 4117 if (client != null) { 4118 pw.flush(); 4119 try { 4120 TransferPipe.dumpAsync(client.client.asBinder(), fd, args); 4121 } catch (IOException | RemoteException e) { 4122 p.println("Failed to dump input method client: " + e); 4123 } 4124 } else { 4125 p.println("No input method client."); 4126 } 4127 4128 if (focusedWindowClient != null && client != focusedWindowClient) { 4129 p.println(" "); 4130 p.println("Warning: Current input method client doesn't match the last focused. " 4131 + "window."); 4132 p.println("Dumping input method client in the last focused window just in case."); 4133 p.println(" "); 4134 pw.flush(); 4135 try { 4136 TransferPipe.dumpAsync(focusedWindowClient.client.asBinder(), fd, args); 4137 } catch (IOException | RemoteException e) { 4138 p.println("Failed to dump input method client in focused window: " + e); 4139 } 4140 } 4141 4142 p.println(" "); 4143 if (method != null) { 4144 pw.flush(); 4145 try { 4146 TransferPipe.dumpAsync(method.asBinder(), fd, args); 4147 } catch (IOException | RemoteException e) { 4148 p.println("Failed to dump input method service: " + e); 4149 } 4150 } else { 4151 p.println("No input method service."); 4152 } 4153 } 4154} 4155