InputMethodManagerService.java revision b2f901ab222b8a7193f9a17cb06232f73cf20518
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 java.lang.annotation.RetentionPolicy.SOURCE; 19 20import com.android.internal.content.PackageMonitor; 21import com.android.internal.inputmethod.InputMethodSubtypeSwitchingController; 22import com.android.internal.inputmethod.InputMethodSubtypeSwitchingController.ImeSubtypeListItem; 23import com.android.internal.inputmethod.InputMethodUtils; 24import com.android.internal.inputmethod.InputMethodUtils.InputMethodSettings; 25import com.android.internal.os.HandlerCaller; 26import com.android.internal.os.SomeArgs; 27import com.android.internal.util.FastXmlSerializer; 28import com.android.internal.view.IInputContext; 29import com.android.internal.view.IInputMethod; 30import com.android.internal.view.IInputMethodClient; 31import com.android.internal.view.IInputMethodManager; 32import com.android.internal.view.IInputMethodSession; 33import com.android.internal.view.IInputSessionCallback; 34import com.android.internal.view.InputBindResult; 35import com.android.internal.view.InputMethodClient; 36import com.android.server.statusbar.StatusBarManagerService; 37 38import org.xmlpull.v1.XmlPullParser; 39import org.xmlpull.v1.XmlPullParserException; 40import org.xmlpull.v1.XmlSerializer; 41 42import android.annotation.IntDef; 43import android.annotation.NonNull; 44import android.annotation.Nullable; 45import android.annotation.UserIdInt; 46import android.app.ActivityManagerNative; 47import android.app.AlertDialog; 48import android.app.AppGlobals; 49import android.app.AppOpsManager; 50import android.app.KeyguardManager; 51import android.app.Notification; 52import android.app.NotificationManager; 53import android.app.PendingIntent; 54import android.content.BroadcastReceiver; 55import android.content.ComponentName; 56import android.content.ContentResolver; 57import android.content.Context; 58import android.content.DialogInterface; 59import android.content.DialogInterface.OnCancelListener; 60import android.content.DialogInterface.OnClickListener; 61import android.content.Intent; 62import android.content.IntentFilter; 63import android.content.ServiceConnection; 64import android.content.pm.ApplicationInfo; 65import android.content.pm.IPackageManager; 66import android.content.pm.PackageManager; 67import android.content.pm.ResolveInfo; 68import android.content.pm.ServiceInfo; 69import android.content.res.Configuration; 70import android.content.res.Resources; 71import android.content.res.TypedArray; 72import android.database.ContentObserver; 73import android.graphics.drawable.Drawable; 74import android.hardware.input.InputManagerInternal; 75import android.inputmethodservice.InputMethodService; 76import android.net.Uri; 77import android.os.Binder; 78import android.os.Bundle; 79import android.os.Debug; 80import android.os.Environment; 81import android.os.Handler; 82import android.os.IBinder; 83import android.os.IInterface; 84import android.os.Message; 85import android.os.Parcel; 86import android.os.Process; 87import android.os.RemoteException; 88import android.os.ResultReceiver; 89import android.os.ServiceManager; 90import android.os.SystemClock; 91import android.os.UserHandle; 92import android.os.UserManager; 93import android.provider.Settings; 94import android.text.TextUtils; 95import android.text.style.SuggestionSpan; 96import android.util.ArrayMap; 97import android.util.ArraySet; 98import android.util.AtomicFile; 99import android.util.EventLog; 100import android.util.LocaleList; 101import android.util.LruCache; 102import android.util.Pair; 103import android.util.PrintWriterPrinter; 104import android.util.Printer; 105import android.util.Slog; 106import android.util.Xml; 107import android.view.ContextThemeWrapper; 108import android.view.IWindowManager; 109import android.view.InputChannel; 110import android.view.LayoutInflater; 111import android.view.View; 112import android.view.ViewGroup; 113import android.view.WindowManager; 114import android.view.WindowManagerInternal; 115import android.view.inputmethod.EditorInfo; 116import android.view.inputmethod.InputBinding; 117import android.view.inputmethod.InputConnectionInspector; 118import android.view.inputmethod.InputMethod; 119import android.view.inputmethod.InputMethodInfo; 120import android.view.inputmethod.InputMethodManager; 121import android.view.inputmethod.InputMethodManagerInternal; 122import android.view.inputmethod.InputMethodSubtype; 123import android.view.inputmethod.InputMethodSubtype.InputMethodSubtypeBuilder; 124import android.widget.ArrayAdapter; 125import android.widget.CompoundButton; 126import android.widget.CompoundButton.OnCheckedChangeListener; 127import android.widget.RadioButton; 128import android.widget.Switch; 129import android.widget.TextView; 130import android.widget.Toast; 131 132import java.io.File; 133import java.io.FileDescriptor; 134import java.io.FileInputStream; 135import java.io.FileOutputStream; 136import java.io.IOException; 137import java.io.PrintWriter; 138import java.lang.annotation.Retention; 139import java.nio.charset.StandardCharsets; 140import java.util.ArrayList; 141import java.util.Collections; 142import java.util.HashMap; 143import java.util.List; 144 145/** 146 * This class provides a system service that manages input methods. 147 */ 148public class InputMethodManagerService extends IInputMethodManager.Stub 149 implements ServiceConnection, Handler.Callback { 150 static final boolean DEBUG = false; 151 static final boolean DEBUG_RESTORE = DEBUG || false; 152 static final String TAG = "InputMethodManagerService"; 153 154 static final int MSG_SHOW_IM_SUBTYPE_PICKER = 1; 155 static final int MSG_SHOW_IM_SUBTYPE_ENABLER = 2; 156 static final int MSG_SHOW_IM_CONFIG = 3; 157 158 static final int MSG_UNBIND_INPUT = 1000; 159 static final int MSG_BIND_INPUT = 1010; 160 static final int MSG_SHOW_SOFT_INPUT = 1020; 161 static final int MSG_HIDE_SOFT_INPUT = 1030; 162 static final int MSG_ATTACH_TOKEN = 1040; 163 static final int MSG_CREATE_SESSION = 1050; 164 165 static final int MSG_START_INPUT = 2000; 166 static final int MSG_RESTART_INPUT = 2010; 167 168 static final int MSG_UNBIND_CLIENT = 3000; 169 static final int MSG_BIND_CLIENT = 3010; 170 static final int MSG_SET_ACTIVE = 3020; 171 static final int MSG_SET_INTERACTIVE = 3030; 172 static final int MSG_SET_USER_ACTION_NOTIFICATION_SEQUENCE_NUMBER = 3040; 173 static final int MSG_SWITCH_IME = 3050; 174 175 static final int MSG_HARD_KEYBOARD_SWITCH_CHANGED = 4000; 176 177 static final long TIME_TO_RECONNECT = 3 * 1000; 178 179 static final int SECURE_SUGGESTION_SPANS_MAX_SIZE = 20; 180 181 private static final int NOT_A_SUBTYPE_ID = InputMethodUtils.NOT_A_SUBTYPE_ID; 182 private static final String TAG_TRY_SUPPRESSING_IME_SWITCHER = "TrySuppressingImeSwitcher"; 183 184 @Retention(SOURCE) 185 @IntDef({HardKeyboardBehavior.WIRELESS_AFFORDANCE, HardKeyboardBehavior.WIRED_AFFORDANCE}) 186 private @interface HardKeyboardBehavior { 187 int WIRELESS_AFFORDANCE = 0; 188 int WIRED_AFFORDANCE = 1; 189 } 190 191 final Context mContext; 192 final Resources mRes; 193 final Handler mHandler; 194 final InputMethodSettings mSettings; 195 final SettingsObserver mSettingsObserver; 196 final IWindowManager mIWindowManager; 197 final WindowManagerInternal mWindowManagerInternal; 198 final HandlerCaller mCaller; 199 final boolean mHasFeature; 200 private InputMethodFileManager mFileManager; 201 private final HardKeyboardListener mHardKeyboardListener; 202 private final AppOpsManager mAppOpsManager; 203 private final UserManager mUserManager; 204 205 final InputBindResult mNoBinding = new InputBindResult(null, null, null, -1, -1); 206 207 // All known input methods. mMethodMap also serves as the global 208 // lock for this class. 209 final ArrayList<InputMethodInfo> mMethodList = new ArrayList<>(); 210 final HashMap<String, InputMethodInfo> mMethodMap = new HashMap<>(); 211 private final LruCache<SuggestionSpan, InputMethodInfo> mSecureSuggestionSpans = 212 new LruCache<>(SECURE_SUGGESTION_SPANS_MAX_SIZE); 213 private final InputMethodSubtypeSwitchingController mSwitchingController; 214 215 // Used to bring IME service up to visible adjustment while it is being shown. 216 final ServiceConnection mVisibleConnection = new ServiceConnection() { 217 @Override public void onServiceConnected(ComponentName name, IBinder service) { 218 } 219 220 @Override public void onServiceDisconnected(ComponentName name) { 221 } 222 }; 223 boolean mVisibleBound = false; 224 225 // Ongoing notification 226 private NotificationManager mNotificationManager; 227 private KeyguardManager mKeyguardManager; 228 private @Nullable StatusBarManagerService mStatusBar; 229 private Notification.Builder mImeSwitcherNotification; 230 private PendingIntent mImeSwitchPendingIntent; 231 private boolean mShowOngoingImeSwitcherForPhones; 232 private boolean mNotificationShown; 233 private final boolean mImeSelectedOnBoot; 234 235 static class SessionState { 236 final ClientState client; 237 final IInputMethod method; 238 239 IInputMethodSession session; 240 InputChannel channel; 241 242 @Override 243 public String toString() { 244 return "SessionState{uid " + client.uid + " pid " + client.pid 245 + " method " + Integer.toHexString( 246 System.identityHashCode(method)) 247 + " session " + Integer.toHexString( 248 System.identityHashCode(session)) 249 + " channel " + channel 250 + "}"; 251 } 252 253 SessionState(ClientState _client, IInputMethod _method, 254 IInputMethodSession _session, InputChannel _channel) { 255 client = _client; 256 method = _method; 257 session = _session; 258 channel = _channel; 259 } 260 } 261 262 static final class ClientState { 263 final IInputMethodClient client; 264 final IInputContext inputContext; 265 final int uid; 266 final int pid; 267 final InputBinding binding; 268 269 boolean sessionRequested; 270 SessionState curSession; 271 272 @Override 273 public String toString() { 274 return "ClientState{" + Integer.toHexString( 275 System.identityHashCode(this)) + " uid " + uid 276 + " pid " + pid + "}"; 277 } 278 279 ClientState(IInputMethodClient _client, IInputContext _inputContext, 280 int _uid, int _pid) { 281 client = _client; 282 inputContext = _inputContext; 283 uid = _uid; 284 pid = _pid; 285 binding = new InputBinding(null, inputContext.asBinder(), uid, pid); 286 } 287 } 288 289 final HashMap<IBinder, ClientState> mClients = new HashMap<>(); 290 291 /** 292 * Set once the system is ready to run third party code. 293 */ 294 boolean mSystemReady; 295 296 /** 297 * Id obtained with {@link InputMethodInfo#getId()} for the currently selected input method. 298 * method. This is to be synchronized with the secure settings keyed with 299 * {@link Settings.Secure#DEFAULT_INPUT_METHOD}. 300 * 301 * <p>This can be transiently {@code null} when the system is re-initializing input method 302 * settings, e.g., the system locale is just changed.</p> 303 * 304 * <p>Note that {@link #mCurId} is used to track which IME is being connected to 305 * {@link InputMethodManagerService}.</p> 306 * 307 * @see #mCurId 308 */ 309 @Nullable 310 String mCurMethodId; 311 312 /** 313 * The current binding sequence number, incremented every time there is 314 * a new bind performed. 315 */ 316 int mCurSeq; 317 318 /** 319 * The client that is currently bound to an input method. 320 */ 321 ClientState mCurClient; 322 323 /** 324 * The last window token that we confirmed to be focused. This is always updated upon reports 325 * from the input method client. If the window state is already changed before the report is 326 * handled, this field just keeps the last value. 327 */ 328 IBinder mCurFocusedWindow; 329 330 /** 331 * The client by which {@link #mCurFocusedWindow} was reported. Used only for debugging. 332 */ 333 ClientState mCurFocusedWindowClient; 334 335 /** 336 * The input context last provided by the current client. 337 */ 338 IInputContext mCurInputContext; 339 340 /** 341 * The missing method flags for the input context last provided by the current client. 342 * 343 * @see android.view.inputmethod.InputConnectionInspector.MissingMethodFlags 344 */ 345 int mCurInputContextMissingMethods; 346 347 /** 348 * The attributes last provided by the current client. 349 */ 350 EditorInfo mCurAttribute; 351 352 /** 353 * Id obtained with {@link InputMethodInfo#getId()} for the input method that we are currently 354 * connected to or in the process of connecting to. 355 * 356 * <p>This can be {@code null} when no input method is connected.</p> 357 * 358 * @see #mCurMethodId 359 */ 360 @Nullable 361 String mCurId; 362 363 /** 364 * The current subtype of the current input method. 365 */ 366 private InputMethodSubtype mCurrentSubtype; 367 368 // This list contains the pairs of InputMethodInfo and InputMethodSubtype. 369 private final HashMap<InputMethodInfo, ArrayList<InputMethodSubtype>> 370 mShortcutInputMethodsAndSubtypes = new HashMap<>(); 371 372 // Was the keyguard locked when this client became current? 373 private boolean mCurClientInKeyguard; 374 375 /** 376 * Set to true if our ServiceConnection is currently actively bound to 377 * a service (whether or not we have gotten its IBinder back yet). 378 */ 379 boolean mHaveConnection; 380 381 /** 382 * Set if the client has asked for the input method to be shown. 383 */ 384 boolean mShowRequested; 385 386 /** 387 * Set if we were explicitly told to show the input method. 388 */ 389 boolean mShowExplicitlyRequested; 390 391 /** 392 * Set if we were forced to be shown. 393 */ 394 boolean mShowForced; 395 396 /** 397 * Set if we last told the input method to show itself. 398 */ 399 boolean mInputShown; 400 401 /** 402 * The Intent used to connect to the current input method. 403 */ 404 Intent mCurIntent; 405 406 /** 407 * The token we have made for the currently active input method, to 408 * identify it in the future. 409 */ 410 IBinder mCurToken; 411 412 /** 413 * If non-null, this is the input method service we are currently connected 414 * to. 415 */ 416 IInputMethod mCurMethod; 417 418 /** 419 * Time that we last initiated a bind to the input method, to determine 420 * if we should try to disconnect and reconnect to it. 421 */ 422 long mLastBindTime; 423 424 /** 425 * Have we called mCurMethod.bindInput()? 426 */ 427 boolean mBoundToMethod; 428 429 /** 430 * Currently enabled session. Only touched by service thread, not 431 * protected by a lock. 432 */ 433 SessionState mEnabledSession; 434 435 /** 436 * True if the device is currently interactive with user. The value is true initially. 437 */ 438 boolean mIsInteractive = true; 439 440 int mCurUserActionNotificationSequenceNumber = 0; 441 442 int mBackDisposition = InputMethodService.BACK_DISPOSITION_DEFAULT; 443 444 /** 445 * A set of status bits regarding the active IME. 446 * 447 * <p>This value is a combination of following two bits:</p> 448 * <dl> 449 * <dt>{@link InputMethodService#IME_ACTIVE}</dt> 450 * <dd> 451 * If this bit is ON, connected IME is ready to accept touch/key events. 452 * </dd> 453 * <dt>{@link InputMethodService#IME_VISIBLE}</dt> 454 * <dd> 455 * If this bit is ON, some of IME view, e.g. software input, candidate view, is visible. 456 * </dd> 457 * </dl> 458 * <em>Do not update this value outside of setImeWindowStatus.</em> 459 */ 460 int mImeWindowVis; 461 462 private AlertDialog.Builder mDialogBuilder; 463 private AlertDialog mSwitchingDialog; 464 private View mSwitchingDialogTitleView; 465 private Toast mSubtypeSwitchedByShortCutToast; 466 private InputMethodInfo[] mIms; 467 private int[] mSubtypeIds; 468 private LocaleList mLastSystemLocales; 469 private boolean mShowImeWithHardKeyboard; 470 private boolean mAccessibilityRequestingNoSoftKeyboard; 471 private final MyPackageMonitor mMyPackageMonitor = new MyPackageMonitor(); 472 private final IPackageManager mIPackageManager; 473 private final String mSlotIme; 474 @HardKeyboardBehavior 475 private final int mHardKeyboardBehavior; 476 477 class SettingsObserver extends ContentObserver { 478 int mUserId; 479 boolean mRegistered = false; 480 @NonNull 481 String mLastEnabled = ""; 482 483 /** 484 * <em>This constructor must be called within the lock.</em> 485 */ 486 SettingsObserver(Handler handler) { 487 super(handler); 488 } 489 490 public void registerContentObserverLocked(@UserIdInt int userId) { 491 if (mRegistered && mUserId == userId) { 492 return; 493 } 494 ContentResolver resolver = mContext.getContentResolver(); 495 if (mRegistered) { 496 mContext.getContentResolver().unregisterContentObserver(this); 497 mRegistered = false; 498 } 499 if (mUserId != userId) { 500 mLastEnabled = ""; 501 mUserId = userId; 502 } 503 resolver.registerContentObserver(Settings.Secure.getUriFor( 504 Settings.Secure.DEFAULT_INPUT_METHOD), false, this, userId); 505 resolver.registerContentObserver(Settings.Secure.getUriFor( 506 Settings.Secure.ENABLED_INPUT_METHODS), false, this, userId); 507 resolver.registerContentObserver(Settings.Secure.getUriFor( 508 Settings.Secure.SELECTED_INPUT_METHOD_SUBTYPE), false, this, userId); 509 resolver.registerContentObserver(Settings.Secure.getUriFor( 510 Settings.Secure.SHOW_IME_WITH_HARD_KEYBOARD), false, this, userId); 511 resolver.registerContentObserver(Settings.Secure.getUriFor( 512 Settings.Secure.ACCESSIBILITY_SOFT_KEYBOARD_MODE), false, this, userId); 513 mRegistered = true; 514 } 515 516 @Override public void onChange(boolean selfChange, Uri uri) { 517 final Uri showImeUri = Settings.Secure.getUriFor( 518 Settings.Secure.SHOW_IME_WITH_HARD_KEYBOARD); 519 final Uri accessibilityRequestingNoImeUri = Settings.Secure.getUriFor( 520 Settings.Secure.ACCESSIBILITY_SOFT_KEYBOARD_MODE); 521 synchronized (mMethodMap) { 522 if (showImeUri.equals(uri)) { 523 updateKeyboardFromSettingsLocked(); 524 } else if (accessibilityRequestingNoImeUri.equals(uri)) { 525 mAccessibilityRequestingNoSoftKeyboard = Settings.Secure.getIntForUser( 526 mContext.getContentResolver(), 527 Settings.Secure.ACCESSIBILITY_SOFT_KEYBOARD_MODE, 528 0, mUserId) == 1; 529 if (mAccessibilityRequestingNoSoftKeyboard) { 530 final boolean showRequested = mShowRequested; 531 hideCurrentInputLocked(0, null); 532 mShowRequested = showRequested; 533 } else if (mShowRequested) { 534 showCurrentInputLocked(InputMethodManager.SHOW_IMPLICIT, null); 535 } 536 } else { 537 boolean enabledChanged = false; 538 String newEnabled = mSettings.getEnabledInputMethodsStr(); 539 if (!mLastEnabled.equals(newEnabled)) { 540 mLastEnabled = newEnabled; 541 enabledChanged = true; 542 } 543 updateInputMethodsFromSettingsLocked(enabledChanged); 544 } 545 } 546 } 547 548 @Override 549 public String toString() { 550 return "SettingsObserver{mUserId=" + mUserId + " mRegistered=" + mRegistered 551 + " mLastEnabled=" + mLastEnabled + "}"; 552 } 553 } 554 555 class ImmsBroadcastReceiver extends android.content.BroadcastReceiver { 556 @Override 557 public void onReceive(Context context, Intent intent) { 558 final String action = intent.getAction(); 559 if (Intent.ACTION_CLOSE_SYSTEM_DIALOGS.equals(action)) { 560 hideInputMethodMenu(); 561 // No need to update mIsInteractive 562 return; 563 } else if (Intent.ACTION_USER_ADDED.equals(action) 564 || Intent.ACTION_USER_REMOVED.equals(action)) { 565 updateCurrentProfileIds(); 566 return; 567 } else if (Intent.ACTION_SETTING_RESTORED.equals(action)) { 568 final String name = intent.getStringExtra(Intent.EXTRA_SETTING_NAME); 569 if (Settings.Secure.ENABLED_INPUT_METHODS.equals(name)) { 570 final String prevValue = intent.getStringExtra( 571 Intent.EXTRA_SETTING_PREVIOUS_VALUE); 572 final String newValue = intent.getStringExtra( 573 Intent.EXTRA_SETTING_NEW_VALUE); 574 restoreEnabledInputMethods(mContext, prevValue, newValue); 575 } 576 } else { 577 Slog.w(TAG, "Unexpected intent " + intent); 578 } 579 } 580 } 581 582 // Apply the results of a restore operation to the set of enabled IMEs. Note that this 583 // does not attempt to validate on the fly with any installed device policy, so must only 584 // be run in the context of initial device setup. 585 // 586 // TODO: Move this method to InputMethodUtils with adding unit tests. 587 static void restoreEnabledInputMethods(Context context, String prevValue, String newValue) { 588 if (DEBUG_RESTORE) { 589 Slog.i(TAG, "Restoring enabled input methods:"); 590 Slog.i(TAG, "prev=" + prevValue); 591 Slog.i(TAG, " new=" + newValue); 592 } 593 // 'new' is the just-restored state, 'prev' is what was in settings prior to the restore 594 ArrayMap<String, ArraySet<String>> prevMap = 595 InputMethodUtils.parseInputMethodsAndSubtypesString(prevValue); 596 ArrayMap<String, ArraySet<String>> newMap = 597 InputMethodUtils.parseInputMethodsAndSubtypesString(newValue); 598 599 // Merge the restored ime+subtype enabled states into the live state 600 for (ArrayMap.Entry<String, ArraySet<String>> entry : newMap.entrySet()) { 601 final String imeId = entry.getKey(); 602 ArraySet<String> prevSubtypes = prevMap.get(imeId); 603 if (prevSubtypes == null) { 604 prevSubtypes = new ArraySet<>(2); 605 prevMap.put(imeId, prevSubtypes); 606 } 607 prevSubtypes.addAll(entry.getValue()); 608 } 609 610 final String mergedImesAndSubtypesString = 611 InputMethodUtils.buildInputMethodsAndSubtypesString(prevMap); 612 if (DEBUG_RESTORE) { 613 Slog.i(TAG, "Merged IME string:"); 614 Slog.i(TAG, " " + mergedImesAndSubtypesString); 615 } 616 Settings.Secure.putString(context.getContentResolver(), 617 Settings.Secure.ENABLED_INPUT_METHODS, mergedImesAndSubtypesString); 618 } 619 620 class MyPackageMonitor extends PackageMonitor { 621 private boolean isChangingPackagesOfCurrentUser() { 622 final int userId = getChangingUserId(); 623 final boolean retval = userId == mSettings.getCurrentUserId(); 624 if (DEBUG) { 625 if (!retval) { 626 Slog.d(TAG, "--- ignore this call back from a background user: " + userId); 627 } 628 } 629 return retval; 630 } 631 632 @Override 633 public boolean onHandleForceStop(Intent intent, String[] packages, int uid, boolean doit) { 634 if (!isChangingPackagesOfCurrentUser()) { 635 return false; 636 } 637 synchronized (mMethodMap) { 638 String curInputMethodId = mSettings.getSelectedInputMethod(); 639 final int N = mMethodList.size(); 640 if (curInputMethodId != null) { 641 for (int i=0; i<N; i++) { 642 InputMethodInfo imi = mMethodList.get(i); 643 if (imi.getId().equals(curInputMethodId)) { 644 for (String pkg : packages) { 645 if (imi.getPackageName().equals(pkg)) { 646 if (!doit) { 647 return true; 648 } 649 resetSelectedInputMethodAndSubtypeLocked(""); 650 chooseNewDefaultIMELocked(); 651 return true; 652 } 653 } 654 } 655 } 656 } 657 } 658 return false; 659 } 660 661 @Override 662 public void onSomePackagesChanged() { 663 if (!isChangingPackagesOfCurrentUser()) { 664 return; 665 } 666 synchronized (mMethodMap) { 667 InputMethodInfo curIm = null; 668 String curInputMethodId = mSettings.getSelectedInputMethod(); 669 final int N = mMethodList.size(); 670 if (curInputMethodId != null) { 671 for (int i=0; i<N; i++) { 672 InputMethodInfo imi = mMethodList.get(i); 673 final String imiId = imi.getId(); 674 if (imiId.equals(curInputMethodId)) { 675 curIm = imi; 676 } 677 678 int change = isPackageDisappearing(imi.getPackageName()); 679 if (isPackageModified(imi.getPackageName())) { 680 mFileManager.deleteAllInputMethodSubtypes(imiId); 681 } 682 if (change == PACKAGE_TEMPORARY_CHANGE 683 || change == PACKAGE_PERMANENT_CHANGE) { 684 Slog.i(TAG, "Input method uninstalled, disabling: " 685 + imi.getComponent()); 686 setInputMethodEnabledLocked(imi.getId(), false); 687 } 688 } 689 } 690 691 buildInputMethodListLocked(false /* resetDefaultEnabledIme */); 692 693 boolean changed = false; 694 695 if (curIm != null) { 696 int change = isPackageDisappearing(curIm.getPackageName()); 697 if (change == PACKAGE_TEMPORARY_CHANGE 698 || change == PACKAGE_PERMANENT_CHANGE) { 699 ServiceInfo si = null; 700 try { 701 si = mIPackageManager.getServiceInfo( 702 curIm.getComponent(), 0, mSettings.getCurrentUserId()); 703 } catch (RemoteException ex) { 704 } 705 if (si == null) { 706 // Uh oh, current input method is no longer around! 707 // Pick another one... 708 Slog.i(TAG, "Current input method removed: " + curInputMethodId); 709 updateSystemUiLocked(mCurToken, 0 /* vis */, mBackDisposition); 710 if (!chooseNewDefaultIMELocked()) { 711 changed = true; 712 curIm = null; 713 Slog.i(TAG, "Unsetting current input method"); 714 resetSelectedInputMethodAndSubtypeLocked(""); 715 } 716 } 717 } 718 } 719 720 if (curIm == null) { 721 // We currently don't have a default input method... is 722 // one now available? 723 changed = chooseNewDefaultIMELocked(); 724 } else if (!changed && isPackageModified(curIm.getPackageName())) { 725 // Even if the current input method is still available, mCurrentSubtype could 726 // be obsolete when the package is modified in practice. 727 changed = true; 728 } 729 730 if (changed) { 731 updateFromSettingsLocked(false); 732 } 733 } 734 } 735 } 736 737 private static final class MethodCallback extends IInputSessionCallback.Stub { 738 private final InputMethodManagerService mParentIMMS; 739 private final IInputMethod mMethod; 740 private final InputChannel mChannel; 741 742 MethodCallback(InputMethodManagerService imms, IInputMethod method, 743 InputChannel channel) { 744 mParentIMMS = imms; 745 mMethod = method; 746 mChannel = channel; 747 } 748 749 @Override 750 public void sessionCreated(IInputMethodSession session) { 751 long ident = Binder.clearCallingIdentity(); 752 try { 753 mParentIMMS.onSessionCreated(mMethod, session, mChannel); 754 } finally { 755 Binder.restoreCallingIdentity(ident); 756 } 757 } 758 } 759 760 private class HardKeyboardListener 761 implements WindowManagerInternal.OnHardKeyboardStatusChangeListener { 762 @Override 763 public void onHardKeyboardStatusChange(boolean available) { 764 mHandler.sendMessage(mHandler.obtainMessage(MSG_HARD_KEYBOARD_SWITCH_CHANGED, 765 available ? 1 : 0)); 766 } 767 768 public void handleHardKeyboardStatusChange(boolean available) { 769 if (DEBUG) { 770 Slog.w(TAG, "HardKeyboardStatusChanged: available=" + available); 771 } 772 synchronized(mMethodMap) { 773 if (mSwitchingDialog != null && mSwitchingDialogTitleView != null 774 && mSwitchingDialog.isShowing()) { 775 mSwitchingDialogTitleView.findViewById( 776 com.android.internal.R.id.hard_keyboard_section).setVisibility( 777 available ? View.VISIBLE : View.GONE); 778 } 779 } 780 } 781 } 782 783 public static final class Lifecycle extends SystemService { 784 private InputMethodManagerService mService; 785 786 public Lifecycle(Context context) { 787 super(context); 788 mService = new InputMethodManagerService(context); 789 } 790 791 @Override 792 public void onStart() { 793 LocalServices.addService(InputMethodManagerInternal.class, 794 new LocalServiceImpl(mService.mHandler)); 795 publishBinderService(Context.INPUT_METHOD_SERVICE, mService); 796 } 797 798 @Override 799 public void onSwitchUser(@UserIdInt int userHandle) { 800 // Called on the system server's main looper thread. 801 // TODO: Dispatch this to a worker thread as needed. 802 mService.onSwitchUser(userHandle); 803 } 804 805 @Override 806 public void onBootPhase(int phase) { 807 // Called on the system server's main looper thread. 808 // TODO: Dispatch this to a worker thread as needed. 809 if (phase == SystemService.PHASE_ACTIVITY_MANAGER_READY) { 810 StatusBarManagerService statusBarService = (StatusBarManagerService) ServiceManager 811 .getService(Context.STATUS_BAR_SERVICE); 812 mService.systemRunning(statusBarService); 813 } 814 } 815 816 @Override 817 public void onUnlockUser(@UserIdInt int userHandle) { 818 // Called on the system server's main looper thread. 819 // TODO: Dispatch this to a worker thread as needed. 820 mService.onUnlockUser(userHandle); 821 } 822 } 823 824 void onUnlockUser(@UserIdInt int userId) { 825 synchronized(mMethodMap) { 826 final int currentUserId = mSettings.getCurrentUserId(); 827 if (DEBUG) { 828 Slog.d(TAG, "onUnlockUser: userId=" + userId + " curUserId=" + currentUserId); 829 } 830 if (userId != currentUserId) { 831 return; 832 } 833 mSettings.switchCurrentUser(currentUserId, !mSystemReady); 834 // We need to rebuild IMEs. 835 buildInputMethodListLocked(false /* resetDefaultEnabledIme */); 836 updateInputMethodsFromSettingsLocked(true /* enabledChanged */); 837 } 838 } 839 840 void onSwitchUser(@UserIdInt int userId) { 841 synchronized (mMethodMap) { 842 switchUserLocked(userId); 843 } 844 } 845 846 public InputMethodManagerService(Context context) { 847 mIPackageManager = AppGlobals.getPackageManager(); 848 mContext = context; 849 mRes = context.getResources(); 850 mHandler = new Handler(this); 851 // Note: SettingsObserver doesn't register observers in its constructor. 852 mSettingsObserver = new SettingsObserver(mHandler); 853 mIWindowManager = IWindowManager.Stub.asInterface( 854 ServiceManager.getService(Context.WINDOW_SERVICE)); 855 mWindowManagerInternal = LocalServices.getService(WindowManagerInternal.class); 856 mCaller = new HandlerCaller(context, null, new HandlerCaller.Callback() { 857 @Override 858 public void executeMessage(Message msg) { 859 handleMessage(msg); 860 } 861 }, true /*asyncHandler*/); 862 mAppOpsManager = mContext.getSystemService(AppOpsManager.class); 863 mUserManager = mContext.getSystemService(UserManager.class); 864 mHardKeyboardListener = new HardKeyboardListener(); 865 mHasFeature = context.getPackageManager().hasSystemFeature( 866 PackageManager.FEATURE_INPUT_METHODS); 867 mSlotIme = mContext.getString(com.android.internal.R.string.status_bar_ime); 868 mHardKeyboardBehavior = mContext.getResources().getInteger( 869 com.android.internal.R.integer.config_externalHardKeyboardBehavior); 870 871 Bundle extras = new Bundle(); 872 extras.putBoolean(Notification.EXTRA_ALLOW_DURING_SETUP, true); 873 mImeSwitcherNotification = new Notification.Builder(mContext) 874 .setSmallIcon(com.android.internal.R.drawable.ic_notification_ime_default) 875 .setWhen(0) 876 .setOngoing(true) 877 .addExtras(extras) 878 .setCategory(Notification.CATEGORY_SYSTEM) 879 .setColor(com.android.internal.R.color.system_notification_accent_color); 880 881 Intent intent = new Intent(Settings.ACTION_SHOW_INPUT_METHOD_PICKER); 882 mImeSwitchPendingIntent = PendingIntent.getBroadcast(mContext, 0, intent, 0); 883 884 mShowOngoingImeSwitcherForPhones = false; 885 886 final IntentFilter broadcastFilter = new IntentFilter(); 887 broadcastFilter.addAction(Intent.ACTION_CLOSE_SYSTEM_DIALOGS); 888 broadcastFilter.addAction(Intent.ACTION_USER_ADDED); 889 broadcastFilter.addAction(Intent.ACTION_USER_REMOVED); 890 broadcastFilter.addAction(Intent.ACTION_SETTING_RESTORED); 891 mContext.registerReceiver(new ImmsBroadcastReceiver(), broadcastFilter); 892 893 mNotificationShown = false; 894 int userId = 0; 895 try { 896 userId = ActivityManagerNative.getDefault().getCurrentUser().id; 897 } catch (RemoteException e) { 898 Slog.w(TAG, "Couldn't get current user ID; guessing it's 0", e); 899 } 900 mMyPackageMonitor.register(mContext, null, UserHandle.ALL, true); 901 902 // mSettings should be created before buildInputMethodListLocked 903 mSettings = new InputMethodSettings( 904 mRes, context.getContentResolver(), mMethodMap, mMethodList, userId, !mSystemReady); 905 906 updateCurrentProfileIds(); 907 mFileManager = new InputMethodFileManager(mMethodMap, userId); 908 synchronized (mMethodMap) { 909 mSwitchingController = InputMethodSubtypeSwitchingController.createInstanceLocked( 910 mSettings, context); 911 } 912 913 // Just checking if defaultImiId is empty or not 914 final String defaultImiId = mSettings.getSelectedInputMethod(); 915 if (DEBUG) { 916 Slog.d(TAG, "Initial default ime = " + defaultImiId); 917 } 918 mImeSelectedOnBoot = !TextUtils.isEmpty(defaultImiId); 919 920 synchronized (mMethodMap) { 921 buildInputMethodListLocked(!mImeSelectedOnBoot /* resetDefaultEnabledIme */); 922 } 923 mSettings.enableAllIMEsIfThereIsNoEnabledIME(); 924 925 if (!mImeSelectedOnBoot) { 926 Slog.w(TAG, "No IME selected. Choose the most applicable IME."); 927 synchronized (mMethodMap) { 928 resetDefaultImeLocked(context); 929 } 930 } 931 932 synchronized (mMethodMap) { 933 mSettingsObserver.registerContentObserverLocked(userId); 934 updateFromSettingsLocked(true); 935 } 936 937 // IMMS wants to receive Intent.ACTION_LOCALE_CHANGED in order to update the current IME 938 // according to the new system locale. 939 final IntentFilter filter = new IntentFilter(); 940 filter.addAction(Intent.ACTION_LOCALE_CHANGED); 941 mContext.registerReceiver( 942 new BroadcastReceiver() { 943 @Override 944 public void onReceive(Context context, Intent intent) { 945 synchronized(mMethodMap) { 946 resetStateIfCurrentLocaleChangedLocked(); 947 } 948 } 949 }, filter); 950 } 951 952 private void resetDefaultImeLocked(Context context) { 953 // Do not reset the default (current) IME when it is a 3rd-party IME 954 if (mCurMethodId != null && !InputMethodUtils.isSystemIme(mMethodMap.get(mCurMethodId))) { 955 return; 956 } 957 final List<InputMethodInfo> suitableImes = InputMethodUtils.getDefaultEnabledImes( 958 context, mSystemReady, mSettings.getEnabledInputMethodListLocked()); 959 if (suitableImes.isEmpty()) { 960 Slog.i(TAG, "No default found"); 961 return; 962 } 963 final InputMethodInfo defIm = suitableImes.get(0); 964 Slog.i(TAG, "Default found, using " + defIm.getId()); 965 setSelectedInputMethodAndSubtypeLocked(defIm, NOT_A_SUBTYPE_ID, false); 966 } 967 968 private void resetAllInternalStateLocked(final boolean updateOnlyWhenLocaleChanged, 969 final boolean resetDefaultEnabledIme) { 970 if (!mSystemReady) { 971 // not system ready 972 return; 973 } 974 final LocaleList newLocales = mRes.getConfiguration().getLocales(); 975 if (!updateOnlyWhenLocaleChanged 976 || (newLocales != null && !newLocales.equals(mLastSystemLocales))) { 977 if (!updateOnlyWhenLocaleChanged) { 978 hideCurrentInputLocked(0, null); 979 resetCurrentMethodAndClient(InputMethodClient.UNBIND_REASON_RESET_IME); 980 } 981 if (DEBUG) { 982 Slog.i(TAG, "LocaleList has been changed to " + newLocales); 983 } 984 buildInputMethodListLocked(resetDefaultEnabledIme); 985 if (!updateOnlyWhenLocaleChanged) { 986 final String selectedImiId = mSettings.getSelectedInputMethod(); 987 if (TextUtils.isEmpty(selectedImiId)) { 988 // This is the first time of the user switch and 989 // set the current ime to the proper one. 990 resetDefaultImeLocked(mContext); 991 } 992 } else { 993 // If the locale is changed, needs to reset the default ime 994 resetDefaultImeLocked(mContext); 995 } 996 updateFromSettingsLocked(true); 997 mLastSystemLocales = newLocales; 998 if (!updateOnlyWhenLocaleChanged) { 999 try { 1000 startInputInnerLocked(); 1001 } catch (RuntimeException e) { 1002 Slog.w(TAG, "Unexpected exception", e); 1003 } 1004 } 1005 } 1006 } 1007 1008 private void resetStateIfCurrentLocaleChangedLocked() { 1009 resetAllInternalStateLocked(true /* updateOnlyWhenLocaleChanged */, 1010 true /* resetDefaultImeLocked */); 1011 } 1012 1013 private void switchUserLocked(int newUserId) { 1014 if (DEBUG) Slog.d(TAG, "Switching user stage 1/3. newUserId=" + newUserId 1015 + " currentUserId=" + mSettings.getCurrentUserId()); 1016 1017 // ContentObserver should be registered again when the user is changed 1018 mSettingsObserver.registerContentObserverLocked(newUserId); 1019 1020 // If the system is not ready or the device is not yed unlocked by the user, then we use 1021 // copy-on-write settings. 1022 final boolean useCopyOnWriteSettings = 1023 !mSystemReady || !mUserManager.isUserUnlocked(newUserId); 1024 mSettings.switchCurrentUser(newUserId, useCopyOnWriteSettings); 1025 updateCurrentProfileIds(); 1026 // InputMethodFileManager should be reset when the user is changed 1027 mFileManager = new InputMethodFileManager(mMethodMap, newUserId); 1028 final String defaultImiId = mSettings.getSelectedInputMethod(); 1029 1030 if (DEBUG) Slog.d(TAG, "Switching user stage 2/3. newUserId=" + newUserId 1031 + " defaultImiId=" + defaultImiId); 1032 1033 // For secondary users, the list of enabled IMEs may not have been updated since the 1034 // callbacks to PackageMonitor are ignored for the secondary user. Here, defaultImiId may 1035 // not be empty even if the IME has been uninstalled by the primary user. 1036 // Even in such cases, IMMS works fine because it will find the most applicable 1037 // IME for that user. 1038 final boolean initialUserSwitch = TextUtils.isEmpty(defaultImiId); 1039 resetAllInternalStateLocked(false /* updateOnlyWhenLocaleChanged */, 1040 initialUserSwitch /* needsToResetDefaultIme */); 1041 if (initialUserSwitch) { 1042 InputMethodUtils.setNonSelectedSystemImesDisabledUntilUsed(mIPackageManager, 1043 mSettings.getEnabledInputMethodListLocked(), newUserId, 1044 mContext.getBasePackageName()); 1045 } 1046 1047 if (DEBUG) Slog.d(TAG, "Switching user stage 3/3. newUserId=" + newUserId 1048 + " selectedIme=" + mSettings.getSelectedInputMethod()); 1049 } 1050 1051 void updateCurrentProfileIds() { 1052 mSettings.setCurrentProfileIds( 1053 mUserManager.getProfileIdsWithDisabled(mSettings.getCurrentUserId())); 1054 } 1055 1056 @Override 1057 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 1058 throws RemoteException { 1059 try { 1060 return super.onTransact(code, data, reply, flags); 1061 } catch (RuntimeException e) { 1062 // The input method manager only throws security exceptions, so let's 1063 // log all others. 1064 if (!(e instanceof SecurityException)) { 1065 Slog.wtf(TAG, "Input Method Manager Crash", e); 1066 } 1067 throw e; 1068 } 1069 } 1070 1071 public void systemRunning(StatusBarManagerService statusBar) { 1072 synchronized (mMethodMap) { 1073 if (DEBUG) { 1074 Slog.d(TAG, "--- systemReady"); 1075 } 1076 if (!mSystemReady) { 1077 mSystemReady = true; 1078 final int currentUserId = mSettings.getCurrentUserId(); 1079 mSettings.switchCurrentUser(currentUserId, 1080 !mUserManager.isUserUnlocked(currentUserId)); 1081 mKeyguardManager = mContext.getSystemService(KeyguardManager.class); 1082 mNotificationManager = mContext.getSystemService(NotificationManager.class); 1083 mStatusBar = statusBar; 1084 if (mStatusBar != null) { 1085 mStatusBar.setIconVisibility(mSlotIme, false); 1086 } 1087 updateSystemUiLocked(mCurToken, mImeWindowVis, mBackDisposition); 1088 mShowOngoingImeSwitcherForPhones = mRes.getBoolean( 1089 com.android.internal.R.bool.show_ongoing_ime_switcher); 1090 if (mShowOngoingImeSwitcherForPhones) { 1091 mWindowManagerInternal.setOnHardKeyboardStatusChangeListener( 1092 mHardKeyboardListener); 1093 } 1094 buildInputMethodListLocked(!mImeSelectedOnBoot /* resetDefaultEnabledIme */); 1095 if (!mImeSelectedOnBoot) { 1096 Slog.w(TAG, "Reset the default IME as \"Resource\" is ready here."); 1097 resetStateIfCurrentLocaleChangedLocked(); 1098 InputMethodUtils.setNonSelectedSystemImesDisabledUntilUsed(mIPackageManager, 1099 mSettings.getEnabledInputMethodListLocked(), 1100 mSettings.getCurrentUserId(), mContext.getBasePackageName()); 1101 } 1102 mLastSystemLocales = mRes.getConfiguration().getLocales(); 1103 try { 1104 startInputInnerLocked(); 1105 } catch (RuntimeException e) { 1106 Slog.w(TAG, "Unexpected exception", e); 1107 } 1108 } 1109 } 1110 } 1111 1112 // --------------------------------------------------------------------------------------- 1113 // Check whether or not this is a valid IPC. Assumes an IPC is valid when either 1114 // 1) it comes from the system process 1115 // 2) the calling process' user id is identical to the current user id IMMS thinks. 1116 private boolean calledFromValidUser() { 1117 final int uid = Binder.getCallingUid(); 1118 final int userId = UserHandle.getUserId(uid); 1119 if (DEBUG) { 1120 Slog.d(TAG, "--- calledFromForegroundUserOrSystemProcess ? " 1121 + "calling uid = " + uid + " system uid = " + Process.SYSTEM_UID 1122 + " calling userId = " + userId + ", foreground user id = " 1123 + mSettings.getCurrentUserId() + ", calling pid = " + Binder.getCallingPid() 1124 + InputMethodUtils.getApiCallStack()); 1125 } 1126 if (uid == Process.SYSTEM_UID || mSettings.isCurrentProfile(userId)) { 1127 return true; 1128 } 1129 1130 // Caveat: A process which has INTERACT_ACROSS_USERS_FULL gets results for the 1131 // foreground user, not for the user of that process. Accordingly InputMethodManagerService 1132 // must not manage background users' states in any functions. 1133 // Note that privacy-sensitive IPCs, such as setInputMethod, are still securely guarded 1134 // by a token. 1135 if (mContext.checkCallingOrSelfPermission( 1136 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL) 1137 == PackageManager.PERMISSION_GRANTED) { 1138 if (DEBUG) { 1139 Slog.d(TAG, "--- Access granted because the calling process has " 1140 + "the INTERACT_ACROSS_USERS_FULL permission"); 1141 } 1142 return true; 1143 } 1144 Slog.w(TAG, "--- IPC called from background users. Ignore. callers=" 1145 + Debug.getCallers(10)); 1146 return false; 1147 } 1148 1149 1150 /** 1151 * Returns true iff the caller is identified to be the current input method with the token. 1152 * @param token The window token given to the input method when it was started. 1153 * @return true if and only if non-null valid token is specified. 1154 */ 1155 private boolean calledWithValidToken(IBinder token) { 1156 if (token == null || mCurToken != token) { 1157 return false; 1158 } 1159 return true; 1160 } 1161 1162 private boolean bindCurrentInputMethodService( 1163 Intent service, ServiceConnection conn, int flags) { 1164 if (service == null || conn == null) { 1165 Slog.e(TAG, "--- bind failed: service = " + service + ", conn = " + conn); 1166 return false; 1167 } 1168 return mContext.bindServiceAsUser(service, conn, flags, 1169 new UserHandle(mSettings.getCurrentUserId())); 1170 } 1171 1172 @Override 1173 public List<InputMethodInfo> getInputMethodList() { 1174 // TODO: Make this work even for non-current users? 1175 if (!calledFromValidUser()) { 1176 return Collections.emptyList(); 1177 } 1178 synchronized (mMethodMap) { 1179 return new ArrayList<>(mMethodList); 1180 } 1181 } 1182 1183 @Override 1184 public List<InputMethodInfo> getEnabledInputMethodList() { 1185 // TODO: Make this work even for non-current users? 1186 if (!calledFromValidUser()) { 1187 return Collections.emptyList(); 1188 } 1189 synchronized (mMethodMap) { 1190 return mSettings.getEnabledInputMethodListLocked(); 1191 } 1192 } 1193 1194 /** 1195 * @param imiId if null, returns enabled subtypes for the current imi 1196 * @return enabled subtypes of the specified imi 1197 */ 1198 @Override 1199 public List<InputMethodSubtype> getEnabledInputMethodSubtypeList(String imiId, 1200 boolean allowsImplicitlySelectedSubtypes) { 1201 // TODO: Make this work even for non-current users? 1202 if (!calledFromValidUser()) { 1203 return Collections.emptyList(); 1204 } 1205 synchronized (mMethodMap) { 1206 final InputMethodInfo imi; 1207 if (imiId == null && mCurMethodId != null) { 1208 imi = mMethodMap.get(mCurMethodId); 1209 } else { 1210 imi = mMethodMap.get(imiId); 1211 } 1212 if (imi == null) { 1213 return Collections.emptyList(); 1214 } 1215 return mSettings.getEnabledInputMethodSubtypeListLocked( 1216 mContext, imi, allowsImplicitlySelectedSubtypes); 1217 } 1218 } 1219 1220 @Override 1221 public void addClient(IInputMethodClient client, 1222 IInputContext inputContext, int uid, int pid) { 1223 if (!calledFromValidUser()) { 1224 return; 1225 } 1226 synchronized (mMethodMap) { 1227 mClients.put(client.asBinder(), new ClientState(client, 1228 inputContext, uid, pid)); 1229 } 1230 } 1231 1232 @Override 1233 public void removeClient(IInputMethodClient client) { 1234 if (!calledFromValidUser()) { 1235 return; 1236 } 1237 synchronized (mMethodMap) { 1238 ClientState cs = mClients.remove(client.asBinder()); 1239 if (cs != null) { 1240 clearClientSessionLocked(cs); 1241 if (mCurClient == cs) { 1242 mCurClient = null; 1243 } 1244 if (mCurFocusedWindowClient == cs) { 1245 mCurFocusedWindowClient = null; 1246 } 1247 } 1248 } 1249 } 1250 1251 void executeOrSendMessage(IInterface target, Message msg) { 1252 if (target.asBinder() instanceof Binder) { 1253 mCaller.sendMessage(msg); 1254 } else { 1255 handleMessage(msg); 1256 msg.recycle(); 1257 } 1258 } 1259 1260 void unbindCurrentClientLocked( 1261 /* @InputMethodClient.UnbindReason */ final int unbindClientReason) { 1262 if (mCurClient != null) { 1263 if (DEBUG) Slog.v(TAG, "unbindCurrentInputLocked: client=" 1264 + mCurClient.client.asBinder()); 1265 if (mBoundToMethod) { 1266 mBoundToMethod = false; 1267 if (mCurMethod != null) { 1268 executeOrSendMessage(mCurMethod, mCaller.obtainMessageO( 1269 MSG_UNBIND_INPUT, mCurMethod)); 1270 } 1271 } 1272 1273 executeOrSendMessage(mCurClient.client, mCaller.obtainMessageIO( 1274 MSG_SET_ACTIVE, 0, mCurClient)); 1275 executeOrSendMessage(mCurClient.client, mCaller.obtainMessageIIO( 1276 MSG_UNBIND_CLIENT, mCurSeq, unbindClientReason, mCurClient.client)); 1277 mCurClient.sessionRequested = false; 1278 mCurClient = null; 1279 1280 hideInputMethodMenuLocked(); 1281 } 1282 } 1283 1284 private int getImeShowFlags() { 1285 int flags = 0; 1286 if (mShowForced) { 1287 flags |= InputMethod.SHOW_FORCED 1288 | InputMethod.SHOW_EXPLICIT; 1289 } else if (mShowExplicitlyRequested) { 1290 flags |= InputMethod.SHOW_EXPLICIT; 1291 } 1292 return flags; 1293 } 1294 1295 private int getAppShowFlags() { 1296 int flags = 0; 1297 if (mShowForced) { 1298 flags |= InputMethodManager.SHOW_FORCED; 1299 } else if (!mShowExplicitlyRequested) { 1300 flags |= InputMethodManager.SHOW_IMPLICIT; 1301 } 1302 return flags; 1303 } 1304 1305 InputBindResult attachNewInputLocked(boolean initial) { 1306 if (!mBoundToMethod) { 1307 executeOrSendMessage(mCurMethod, mCaller.obtainMessageOO( 1308 MSG_BIND_INPUT, mCurMethod, mCurClient.binding)); 1309 mBoundToMethod = true; 1310 } 1311 final SessionState session = mCurClient.curSession; 1312 if (initial) { 1313 executeOrSendMessage(session.method, mCaller.obtainMessageIOOO( 1314 MSG_START_INPUT, mCurInputContextMissingMethods, session, mCurInputContext, 1315 mCurAttribute)); 1316 } else { 1317 executeOrSendMessage(session.method, mCaller.obtainMessageIOOO( 1318 MSG_RESTART_INPUT, mCurInputContextMissingMethods, session, mCurInputContext, 1319 mCurAttribute)); 1320 } 1321 if (mShowRequested) { 1322 if (DEBUG) Slog.v(TAG, "Attach new input asks to show input"); 1323 showCurrentInputLocked(getAppShowFlags(), null); 1324 } 1325 return new InputBindResult(session.session, 1326 (session.channel != null ? session.channel.dup() : null), 1327 mCurId, mCurSeq, mCurUserActionNotificationSequenceNumber); 1328 } 1329 1330 InputBindResult startInputLocked( 1331 /* @InputMethodClient.StartInputReason */ final int startInputReason, 1332 IInputMethodClient client, IInputContext inputContext, 1333 /* @InputConnectionInspector.missingMethods */ final int missingMethods, 1334 @Nullable EditorInfo attribute, int controlFlags) { 1335 // If no method is currently selected, do nothing. 1336 if (mCurMethodId == null) { 1337 return mNoBinding; 1338 } 1339 1340 ClientState cs = mClients.get(client.asBinder()); 1341 if (cs == null) { 1342 throw new IllegalArgumentException("unknown client " 1343 + client.asBinder()); 1344 } 1345 1346 if (attribute == null) { 1347 Slog.w(TAG, "Ignoring startInput with null EditorInfo." 1348 + " uid=" + cs.uid + " pid=" + cs.pid); 1349 return null; 1350 } 1351 1352 try { 1353 if (!mIWindowManager.inputMethodClientHasFocus(cs.client)) { 1354 // Check with the window manager to make sure this client actually 1355 // has a window with focus. If not, reject. This is thread safe 1356 // because if the focus changes some time before or after, the 1357 // next client receiving focus that has any interest in input will 1358 // be calling through here after that change happens. 1359 Slog.w(TAG, "Starting input on non-focused client " + cs.client 1360 + " (uid=" + cs.uid + " pid=" + cs.pid + ")"); 1361 return null; 1362 } 1363 } catch (RemoteException e) { 1364 } 1365 1366 return startInputUncheckedLocked(cs, inputContext, missingMethods, attribute, 1367 controlFlags); 1368 } 1369 1370 InputBindResult startInputUncheckedLocked(@NonNull ClientState cs, IInputContext inputContext, 1371 /* @InputConnectionInspector.missingMethods */ final int missingMethods, 1372 @NonNull EditorInfo attribute, int controlFlags) { 1373 // If no method is currently selected, do nothing. 1374 if (mCurMethodId == null) { 1375 return mNoBinding; 1376 } 1377 1378 if (!InputMethodUtils.checkIfPackageBelongsToUid(mAppOpsManager, cs.uid, 1379 attribute.packageName)) { 1380 Slog.e(TAG, "Rejecting this client as it reported an invalid package name." 1381 + " uid=" + cs.uid + " package=" + attribute.packageName); 1382 return mNoBinding; 1383 } 1384 1385 if (mCurClient != cs) { 1386 // Was the keyguard locked when switching over to the new client? 1387 mCurClientInKeyguard = isKeyguardLocked(); 1388 // If the client is changing, we need to switch over to the new 1389 // one. 1390 unbindCurrentClientLocked(InputMethodClient.UNBIND_REASON_SWITCH_CLIENT); 1391 if (DEBUG) Slog.v(TAG, "switching to client: client=" 1392 + cs.client.asBinder() + " keyguard=" + mCurClientInKeyguard); 1393 1394 // If the screen is on, inform the new client it is active 1395 if (mIsInteractive) { 1396 executeOrSendMessage(cs.client, mCaller.obtainMessageIO( 1397 MSG_SET_ACTIVE, mIsInteractive ? 1 : 0, cs)); 1398 } 1399 } 1400 1401 // Bump up the sequence for this client and attach it. 1402 mCurSeq++; 1403 if (mCurSeq <= 0) mCurSeq = 1; 1404 mCurClient = cs; 1405 mCurInputContext = inputContext; 1406 mCurInputContextMissingMethods = missingMethods; 1407 mCurAttribute = attribute; 1408 1409 // Check if the input method is changing. 1410 if (mCurId != null && mCurId.equals(mCurMethodId)) { 1411 if (cs.curSession != null) { 1412 // Fast case: if we are already connected to the input method, 1413 // then just return it. 1414 return attachNewInputLocked( 1415 (controlFlags&InputMethodManager.CONTROL_START_INITIAL) != 0); 1416 } 1417 if (mHaveConnection) { 1418 if (mCurMethod != null) { 1419 // Return to client, and we will get back with it when 1420 // we have had a session made for it. 1421 requestClientSessionLocked(cs); 1422 return new InputBindResult(null, null, mCurId, mCurSeq, 1423 mCurUserActionNotificationSequenceNumber); 1424 } else if (SystemClock.uptimeMillis() 1425 < (mLastBindTime+TIME_TO_RECONNECT)) { 1426 // In this case we have connected to the service, but 1427 // don't yet have its interface. If it hasn't been too 1428 // long since we did the connection, we'll return to 1429 // the client and wait to get the service interface so 1430 // we can report back. If it has been too long, we want 1431 // to fall through so we can try a disconnect/reconnect 1432 // to see if we can get back in touch with the service. 1433 return new InputBindResult(null, null, mCurId, mCurSeq, 1434 mCurUserActionNotificationSequenceNumber); 1435 } else { 1436 EventLog.writeEvent(EventLogTags.IMF_FORCE_RECONNECT_IME, 1437 mCurMethodId, SystemClock.uptimeMillis()-mLastBindTime, 0); 1438 } 1439 } 1440 } 1441 1442 return startInputInnerLocked(); 1443 } 1444 1445 InputBindResult startInputInnerLocked() { 1446 if (mCurMethodId == null) { 1447 return mNoBinding; 1448 } 1449 1450 if (!mSystemReady) { 1451 // If the system is not yet ready, we shouldn't be running third 1452 // party code. 1453 return new InputBindResult(null, null, mCurMethodId, mCurSeq, 1454 mCurUserActionNotificationSequenceNumber); 1455 } 1456 1457 InputMethodInfo info = mMethodMap.get(mCurMethodId); 1458 if (info == null) { 1459 throw new IllegalArgumentException("Unknown id: " + mCurMethodId); 1460 } 1461 1462 unbindCurrentMethodLocked(true); 1463 1464 mCurIntent = new Intent(InputMethod.SERVICE_INTERFACE); 1465 mCurIntent.setComponent(info.getComponent()); 1466 mCurIntent.putExtra(Intent.EXTRA_CLIENT_LABEL, 1467 com.android.internal.R.string.input_method_binding_label); 1468 mCurIntent.putExtra(Intent.EXTRA_CLIENT_INTENT, PendingIntent.getActivity( 1469 mContext, 0, new Intent(Settings.ACTION_INPUT_METHOD_SETTINGS), 0)); 1470 if (bindCurrentInputMethodService(mCurIntent, this, Context.BIND_AUTO_CREATE 1471 | Context.BIND_NOT_VISIBLE | Context.BIND_NOT_FOREGROUND 1472 | Context.BIND_SHOWING_UI)) { 1473 mLastBindTime = SystemClock.uptimeMillis(); 1474 mHaveConnection = true; 1475 mCurId = info.getId(); 1476 mCurToken = new Binder(); 1477 try { 1478 if (true || DEBUG) Slog.v(TAG, "Adding window token: " + mCurToken); 1479 mIWindowManager.addWindowToken(mCurToken, 1480 WindowManager.LayoutParams.TYPE_INPUT_METHOD); 1481 } catch (RemoteException e) { 1482 } 1483 return new InputBindResult(null, null, mCurId, mCurSeq, 1484 mCurUserActionNotificationSequenceNumber); 1485 } else { 1486 mCurIntent = null; 1487 Slog.w(TAG, "Failure connecting to input method service: " 1488 + mCurIntent); 1489 } 1490 return null; 1491 } 1492 1493 private InputBindResult startInput( 1494 /* @InputMethodClient.StartInputReason */ final int startInputReason, 1495 IInputMethodClient client, IInputContext inputContext, 1496 /* @InputConnectionInspector.missingMethods */ final int missingMethods, 1497 @Nullable EditorInfo attribute, int controlFlags) { 1498 if (!calledFromValidUser()) { 1499 return null; 1500 } 1501 synchronized (mMethodMap) { 1502 if (DEBUG) { 1503 Slog.v(TAG, "startInput: reason=" 1504 + InputMethodClient.getStartInputReason(startInputReason) 1505 + " client = " + client.asBinder() 1506 + " inputContext=" + inputContext 1507 + " missingMethods=" 1508 + InputConnectionInspector.getMissingMethodFlagsAsString(missingMethods) 1509 + " attribute=" + attribute 1510 + " controlFlags=#" + Integer.toHexString(controlFlags)); 1511 } 1512 final long ident = Binder.clearCallingIdentity(); 1513 try { 1514 return startInputLocked(startInputReason, client, inputContext, missingMethods, 1515 attribute, controlFlags); 1516 } finally { 1517 Binder.restoreCallingIdentity(ident); 1518 } 1519 } 1520 } 1521 1522 @Override 1523 public void finishInput(IInputMethodClient client) { 1524 } 1525 1526 @Override 1527 public void onServiceConnected(ComponentName name, IBinder service) { 1528 synchronized (mMethodMap) { 1529 if (mCurIntent != null && name.equals(mCurIntent.getComponent())) { 1530 mCurMethod = IInputMethod.Stub.asInterface(service); 1531 if (mCurToken == null) { 1532 Slog.w(TAG, "Service connected without a token!"); 1533 unbindCurrentMethodLocked(false); 1534 return; 1535 } 1536 if (DEBUG) Slog.v(TAG, "Initiating attach with token: " + mCurToken); 1537 executeOrSendMessage(mCurMethod, mCaller.obtainMessageOO( 1538 MSG_ATTACH_TOKEN, mCurMethod, mCurToken)); 1539 if (mCurClient != null) { 1540 clearClientSessionLocked(mCurClient); 1541 requestClientSessionLocked(mCurClient); 1542 } 1543 } 1544 } 1545 } 1546 1547 void onSessionCreated(IInputMethod method, IInputMethodSession session, 1548 InputChannel channel) { 1549 synchronized (mMethodMap) { 1550 if (mCurMethod != null && method != null 1551 && mCurMethod.asBinder() == method.asBinder()) { 1552 if (mCurClient != null) { 1553 clearClientSessionLocked(mCurClient); 1554 mCurClient.curSession = new SessionState(mCurClient, 1555 method, session, channel); 1556 InputBindResult res = attachNewInputLocked(true); 1557 if (res.method != null) { 1558 executeOrSendMessage(mCurClient.client, mCaller.obtainMessageOO( 1559 MSG_BIND_CLIENT, mCurClient.client, res)); 1560 } 1561 return; 1562 } 1563 } 1564 } 1565 1566 // Session abandoned. Close its associated input channel. 1567 channel.dispose(); 1568 } 1569 1570 void unbindCurrentMethodLocked(boolean savePosition) { 1571 if (mVisibleBound) { 1572 mContext.unbindService(mVisibleConnection); 1573 mVisibleBound = false; 1574 } 1575 1576 if (mHaveConnection) { 1577 mContext.unbindService(this); 1578 mHaveConnection = false; 1579 } 1580 1581 if (mCurToken != null) { 1582 try { 1583 if (DEBUG) Slog.v(TAG, "Removing window token: " + mCurToken); 1584 if ((mImeWindowVis & InputMethodService.IME_ACTIVE) != 0 && savePosition) { 1585 // The current IME is shown. Hence an IME switch (transition) is happening. 1586 mWindowManagerInternal.saveLastInputMethodWindowForTransition(); 1587 } 1588 mIWindowManager.removeWindowToken(mCurToken); 1589 } catch (RemoteException e) { 1590 } 1591 mCurToken = null; 1592 } 1593 1594 mCurId = null; 1595 clearCurMethodLocked(); 1596 } 1597 1598 void resetCurrentMethodAndClient( 1599 /* @InputMethodClient.UnbindReason */ final int unbindClientReason) { 1600 mCurMethodId = null; 1601 unbindCurrentMethodLocked(false); 1602 unbindCurrentClientLocked(unbindClientReason); 1603 } 1604 1605 void requestClientSessionLocked(ClientState cs) { 1606 if (!cs.sessionRequested) { 1607 if (DEBUG) Slog.v(TAG, "Creating new session for client " + cs); 1608 InputChannel[] channels = InputChannel.openInputChannelPair(cs.toString()); 1609 cs.sessionRequested = true; 1610 executeOrSendMessage(mCurMethod, mCaller.obtainMessageOOO( 1611 MSG_CREATE_SESSION, mCurMethod, channels[1], 1612 new MethodCallback(this, mCurMethod, channels[0]))); 1613 } 1614 } 1615 1616 void clearClientSessionLocked(ClientState cs) { 1617 finishSessionLocked(cs.curSession); 1618 cs.curSession = null; 1619 cs.sessionRequested = false; 1620 } 1621 1622 private void finishSessionLocked(SessionState sessionState) { 1623 if (sessionState != null) { 1624 if (sessionState.session != null) { 1625 try { 1626 sessionState.session.finishSession(); 1627 } catch (RemoteException e) { 1628 Slog.w(TAG, "Session failed to close due to remote exception", e); 1629 updateSystemUiLocked(mCurToken, 0 /* vis */, mBackDisposition); 1630 } 1631 sessionState.session = null; 1632 } 1633 if (sessionState.channel != null) { 1634 sessionState.channel.dispose(); 1635 sessionState.channel = null; 1636 } 1637 } 1638 } 1639 1640 void clearCurMethodLocked() { 1641 if (mCurMethod != null) { 1642 for (ClientState cs : mClients.values()) { 1643 clearClientSessionLocked(cs); 1644 } 1645 1646 finishSessionLocked(mEnabledSession); 1647 mEnabledSession = null; 1648 mCurMethod = null; 1649 } 1650 if (mStatusBar != null) { 1651 mStatusBar.setIconVisibility(mSlotIme, false); 1652 } 1653 } 1654 1655 @Override 1656 public void onServiceDisconnected(ComponentName name) { 1657 synchronized (mMethodMap) { 1658 if (DEBUG) Slog.v(TAG, "Service disconnected: " + name 1659 + " mCurIntent=" + mCurIntent); 1660 if (mCurMethod != null && mCurIntent != null 1661 && name.equals(mCurIntent.getComponent())) { 1662 clearCurMethodLocked(); 1663 // We consider this to be a new bind attempt, since the system 1664 // should now try to restart the service for us. 1665 mLastBindTime = SystemClock.uptimeMillis(); 1666 mShowRequested = mInputShown; 1667 mInputShown = false; 1668 if (mCurClient != null) { 1669 executeOrSendMessage(mCurClient.client, mCaller.obtainMessageIIO( 1670 MSG_UNBIND_CLIENT, InputMethodClient.UNBIND_REASON_DISCONNECT_IME, 1671 mCurSeq, mCurClient.client)); 1672 } 1673 } 1674 } 1675 } 1676 1677 @Override 1678 public void updateStatusIcon(IBinder token, String packageName, int iconId) { 1679 long ident = Binder.clearCallingIdentity(); 1680 try { 1681 synchronized (mMethodMap) { 1682 if (!calledWithValidToken(token)) { 1683 final int uid = Binder.getCallingUid(); 1684 Slog.e(TAG, "Ignoring updateStatusIcon due to an invalid token. uid:" + uid 1685 + " token:" + token); 1686 return; 1687 } 1688 if (iconId == 0) { 1689 if (DEBUG) Slog.d(TAG, "hide the small icon for the input method"); 1690 if (mStatusBar != null) { 1691 mStatusBar.setIconVisibility(mSlotIme, false); 1692 } 1693 } else if (packageName != null) { 1694 if (DEBUG) Slog.d(TAG, "show a small icon for the input method"); 1695 CharSequence contentDescription = null; 1696 try { 1697 // Use PackageManager to load label 1698 final PackageManager packageManager = mContext.getPackageManager(); 1699 contentDescription = packageManager.getApplicationLabel( 1700 mIPackageManager.getApplicationInfo(packageName, 0, 1701 mSettings.getCurrentUserId())); 1702 } catch (RemoteException e) { 1703 /* ignore */ 1704 } 1705 if (mStatusBar != null) { 1706 mStatusBar.setIcon(mSlotIme, packageName, iconId, 0, 1707 contentDescription != null 1708 ? contentDescription.toString() : null); 1709 mStatusBar.setIconVisibility(mSlotIme, true); 1710 } 1711 } 1712 } 1713 } finally { 1714 Binder.restoreCallingIdentity(ident); 1715 } 1716 } 1717 1718 private boolean shouldShowImeSwitcherLocked(int visibility) { 1719 if (!mShowOngoingImeSwitcherForPhones) return false; 1720 if (mSwitchingDialog != null) return false; 1721 if (isScreenLocked()) return false; 1722 if ((visibility & InputMethodService.IME_ACTIVE) == 0) return false; 1723 if (mWindowManagerInternal.isHardKeyboardAvailable()) { 1724 if (mHardKeyboardBehavior == HardKeyboardBehavior.WIRELESS_AFFORDANCE) { 1725 // When physical keyboard is attached, we show the ime switcher (or notification if 1726 // NavBar is not available) because SHOW_IME_WITH_HARD_KEYBOARD settings currently 1727 // exists in the IME switcher dialog. Might be OK to remove this condition once 1728 // SHOW_IME_WITH_HARD_KEYBOARD settings finds a good place to live. 1729 return true; 1730 } 1731 } else if ((visibility & InputMethodService.IME_VISIBLE) == 0) { 1732 return false; 1733 } 1734 1735 List<InputMethodInfo> imis = mSettings.getEnabledInputMethodListLocked(); 1736 final int N = imis.size(); 1737 if (N > 2) return true; 1738 if (N < 1) return false; 1739 int nonAuxCount = 0; 1740 int auxCount = 0; 1741 InputMethodSubtype nonAuxSubtype = null; 1742 InputMethodSubtype auxSubtype = null; 1743 for(int i = 0; i < N; ++i) { 1744 final InputMethodInfo imi = imis.get(i); 1745 final List<InputMethodSubtype> subtypes = 1746 mSettings.getEnabledInputMethodSubtypeListLocked(mContext, imi, true); 1747 final int subtypeCount = subtypes.size(); 1748 if (subtypeCount == 0) { 1749 ++nonAuxCount; 1750 } else { 1751 for (int j = 0; j < subtypeCount; ++j) { 1752 final InputMethodSubtype subtype = subtypes.get(j); 1753 if (!subtype.isAuxiliary()) { 1754 ++nonAuxCount; 1755 nonAuxSubtype = subtype; 1756 } else { 1757 ++auxCount; 1758 auxSubtype = subtype; 1759 } 1760 } 1761 } 1762 } 1763 if (nonAuxCount > 1 || auxCount > 1) { 1764 return true; 1765 } else if (nonAuxCount == 1 && auxCount == 1) { 1766 if (nonAuxSubtype != null && auxSubtype != null 1767 && (nonAuxSubtype.getLocale().equals(auxSubtype.getLocale()) 1768 || auxSubtype.overridesImplicitlyEnabledSubtype() 1769 || nonAuxSubtype.overridesImplicitlyEnabledSubtype()) 1770 && nonAuxSubtype.containsExtraValueKey(TAG_TRY_SUPPRESSING_IME_SWITCHER)) { 1771 return false; 1772 } 1773 return true; 1774 } 1775 return false; 1776 } 1777 1778 private boolean isKeyguardLocked() { 1779 return mKeyguardManager != null && mKeyguardManager.isKeyguardLocked(); 1780 } 1781 1782 @SuppressWarnings("deprecation") 1783 @Override 1784 public void setImeWindowStatus(IBinder token, int vis, int backDisposition) { 1785 if (!calledWithValidToken(token)) { 1786 final int uid = Binder.getCallingUid(); 1787 Slog.e(TAG, "Ignoring setImeWindowStatus due to an invalid token. uid:" + uid 1788 + " token:" + token); 1789 return; 1790 } 1791 1792 synchronized (mMethodMap) { 1793 mImeWindowVis = vis; 1794 mBackDisposition = backDisposition; 1795 updateSystemUiLocked(token, vis, backDisposition); 1796 } 1797 } 1798 1799 private void updateSystemUi(IBinder token, int vis, int backDisposition) { 1800 synchronized (mMethodMap) { 1801 updateSystemUiLocked(token, vis, backDisposition); 1802 } 1803 } 1804 1805 // Caution! This method is called in this class. Handle multi-user carefully 1806 private void updateSystemUiLocked(IBinder token, int vis, int backDisposition) { 1807 if (!calledWithValidToken(token)) { 1808 final int uid = Binder.getCallingUid(); 1809 Slog.e(TAG, "Ignoring updateSystemUiLocked due to an invalid token. uid:" + uid 1810 + " token:" + token); 1811 return; 1812 } 1813 1814 // TODO: Move this clearing calling identity block to setImeWindowStatus after making sure 1815 // all updateSystemUi happens on system previlege. 1816 final long ident = Binder.clearCallingIdentity(); 1817 try { 1818 // apply policy for binder calls 1819 if (vis != 0 && isKeyguardLocked() && !mCurClientInKeyguard) { 1820 vis = 0; 1821 } 1822 // mImeWindowVis should be updated before calling shouldShowImeSwitcherLocked(). 1823 final boolean needsToShowImeSwitcher = shouldShowImeSwitcherLocked(vis); 1824 if (mStatusBar != null) { 1825 mStatusBar.setImeWindowStatus(token, vis, backDisposition, 1826 needsToShowImeSwitcher); 1827 } 1828 final InputMethodInfo imi = mMethodMap.get(mCurMethodId); 1829 if (imi != null && needsToShowImeSwitcher) { 1830 // Used to load label 1831 final CharSequence title = mRes.getText( 1832 com.android.internal.R.string.select_input_method); 1833 final CharSequence summary = InputMethodUtils.getImeAndSubtypeDisplayName( 1834 mContext, imi, mCurrentSubtype); 1835 mImeSwitcherNotification.setContentTitle(title) 1836 .setContentText(summary) 1837 .setContentIntent(mImeSwitchPendingIntent); 1838 try { 1839 if ((mNotificationManager != null) 1840 && !mIWindowManager.hasNavigationBar()) { 1841 if (DEBUG) { 1842 Slog.d(TAG, "--- show notification: label = " + summary); 1843 } 1844 mNotificationManager.notifyAsUser(null, 1845 com.android.internal.R.string.select_input_method, 1846 mImeSwitcherNotification.build(), UserHandle.ALL); 1847 mNotificationShown = true; 1848 } 1849 } catch (RemoteException e) { 1850 } 1851 } else { 1852 if (mNotificationShown && mNotificationManager != null) { 1853 if (DEBUG) { 1854 Slog.d(TAG, "--- hide notification"); 1855 } 1856 mNotificationManager.cancelAsUser(null, 1857 com.android.internal.R.string.select_input_method, UserHandle.ALL); 1858 mNotificationShown = false; 1859 } 1860 } 1861 } finally { 1862 Binder.restoreCallingIdentity(ident); 1863 } 1864 } 1865 1866 @Override 1867 public void registerSuggestionSpansForNotification(SuggestionSpan[] spans) { 1868 if (!calledFromValidUser()) { 1869 return; 1870 } 1871 synchronized (mMethodMap) { 1872 final InputMethodInfo currentImi = mMethodMap.get(mCurMethodId); 1873 for (int i = 0; i < spans.length; ++i) { 1874 SuggestionSpan ss = spans[i]; 1875 if (!TextUtils.isEmpty(ss.getNotificationTargetClassName())) { 1876 mSecureSuggestionSpans.put(ss, currentImi); 1877 } 1878 } 1879 } 1880 } 1881 1882 @Override 1883 public boolean notifySuggestionPicked(SuggestionSpan span, String originalString, int index) { 1884 if (!calledFromValidUser()) { 1885 return false; 1886 } 1887 synchronized (mMethodMap) { 1888 final InputMethodInfo targetImi = mSecureSuggestionSpans.get(span); 1889 // TODO: Do not send the intent if the process of the targetImi is already dead. 1890 if (targetImi != null) { 1891 final String[] suggestions = span.getSuggestions(); 1892 if (index < 0 || index >= suggestions.length) return false; 1893 final String className = span.getNotificationTargetClassName(); 1894 final Intent intent = new Intent(); 1895 // Ensures that only a class in the original IME package will receive the 1896 // notification. 1897 intent.setClassName(targetImi.getPackageName(), className); 1898 intent.setAction(SuggestionSpan.ACTION_SUGGESTION_PICKED); 1899 intent.putExtra(SuggestionSpan.SUGGESTION_SPAN_PICKED_BEFORE, originalString); 1900 intent.putExtra(SuggestionSpan.SUGGESTION_SPAN_PICKED_AFTER, suggestions[index]); 1901 intent.putExtra(SuggestionSpan.SUGGESTION_SPAN_PICKED_HASHCODE, span.hashCode()); 1902 final long ident = Binder.clearCallingIdentity(); 1903 try { 1904 mContext.sendBroadcastAsUser(intent, UserHandle.CURRENT); 1905 } finally { 1906 Binder.restoreCallingIdentity(ident); 1907 } 1908 return true; 1909 } 1910 } 1911 return false; 1912 } 1913 1914 void updateFromSettingsLocked(boolean enabledMayChange) { 1915 updateInputMethodsFromSettingsLocked(enabledMayChange); 1916 updateKeyboardFromSettingsLocked(); 1917 } 1918 1919 void updateInputMethodsFromSettingsLocked(boolean enabledMayChange) { 1920 if (enabledMayChange) { 1921 List<InputMethodInfo> enabled = mSettings.getEnabledInputMethodListLocked(); 1922 for (int i=0; i<enabled.size(); i++) { 1923 // We allow the user to select "disabled until used" apps, so if they 1924 // are enabling one of those here we now need to make it enabled. 1925 InputMethodInfo imm = enabled.get(i); 1926 try { 1927 ApplicationInfo ai = mIPackageManager.getApplicationInfo(imm.getPackageName(), 1928 PackageManager.GET_DISABLED_UNTIL_USED_COMPONENTS, 1929 mSettings.getCurrentUserId()); 1930 if (ai != null && ai.enabledSetting 1931 == PackageManager.COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED) { 1932 if (DEBUG) { 1933 Slog.d(TAG, "Update state(" + imm.getId() 1934 + "): DISABLED_UNTIL_USED -> DEFAULT"); 1935 } 1936 mIPackageManager.setApplicationEnabledSetting(imm.getPackageName(), 1937 PackageManager.COMPONENT_ENABLED_STATE_DEFAULT, 1938 PackageManager.DONT_KILL_APP, mSettings.getCurrentUserId(), 1939 mContext.getBasePackageName()); 1940 } 1941 } catch (RemoteException e) { 1942 } 1943 } 1944 } 1945 // We are assuming that whoever is changing DEFAULT_INPUT_METHOD and 1946 // ENABLED_INPUT_METHODS is taking care of keeping them correctly in 1947 // sync, so we will never have a DEFAULT_INPUT_METHOD that is not 1948 // enabled. 1949 String id = mSettings.getSelectedInputMethod(); 1950 // There is no input method selected, try to choose new applicable input method. 1951 if (TextUtils.isEmpty(id) && chooseNewDefaultIMELocked()) { 1952 id = mSettings.getSelectedInputMethod(); 1953 } 1954 if (!TextUtils.isEmpty(id)) { 1955 try { 1956 setInputMethodLocked(id, mSettings.getSelectedInputMethodSubtypeId(id)); 1957 } catch (IllegalArgumentException e) { 1958 Slog.w(TAG, "Unknown input method from prefs: " + id, e); 1959 resetCurrentMethodAndClient(InputMethodClient.UNBIND_REASON_SWITCH_IME_FAILED); 1960 } 1961 mShortcutInputMethodsAndSubtypes.clear(); 1962 } else { 1963 // There is no longer an input method set, so stop any current one. 1964 resetCurrentMethodAndClient(InputMethodClient.UNBIND_REASON_NO_IME); 1965 } 1966 // Here is not the perfect place to reset the switching controller. Ideally 1967 // mSwitchingController and mSettings should be able to share the same state. 1968 // TODO: Make sure that mSwitchingController and mSettings are sharing the 1969 // the same enabled IMEs list. 1970 mSwitchingController.resetCircularListLocked(mContext); 1971 1972 } 1973 1974 public void updateKeyboardFromSettingsLocked() { 1975 mShowImeWithHardKeyboard = mSettings.isShowImeWithHardKeyboardEnabled(); 1976 if (mSwitchingDialog != null 1977 && mSwitchingDialogTitleView != null 1978 && mSwitchingDialog.isShowing()) { 1979 final Switch hardKeySwitch = (Switch)mSwitchingDialogTitleView.findViewById( 1980 com.android.internal.R.id.hard_keyboard_switch); 1981 hardKeySwitch.setChecked(mShowImeWithHardKeyboard); 1982 } 1983 } 1984 1985 private void notifyInputMethodSubtypeChanged(final int userId, 1986 @Nullable final InputMethodInfo inputMethodInfo, 1987 @Nullable final InputMethodSubtype subtype) { 1988 final InputManagerInternal inputManagerInternal = 1989 LocalServices.getService(InputManagerInternal.class); 1990 if (inputManagerInternal != null) { 1991 inputManagerInternal.onInputMethodSubtypeChanged(userId, inputMethodInfo, subtype); 1992 } 1993 } 1994 1995 /* package */ void setInputMethodLocked(String id, int subtypeId) { 1996 InputMethodInfo info = mMethodMap.get(id); 1997 if (info == null) { 1998 throw new IllegalArgumentException("Unknown id: " + id); 1999 } 2000 2001 // See if we need to notify a subtype change within the same IME. 2002 if (id.equals(mCurMethodId)) { 2003 final int subtypeCount = info.getSubtypeCount(); 2004 if (subtypeCount <= 0) { 2005 return; 2006 } 2007 final InputMethodSubtype oldSubtype = mCurrentSubtype; 2008 final InputMethodSubtype newSubtype; 2009 if (subtypeId >= 0 && subtypeId < subtypeCount) { 2010 newSubtype = info.getSubtypeAt(subtypeId); 2011 } else { 2012 // If subtype is null, try to find the most applicable one from 2013 // getCurrentInputMethodSubtype. 2014 newSubtype = getCurrentInputMethodSubtypeLocked(); 2015 } 2016 if (newSubtype == null || oldSubtype == null) { 2017 Slog.w(TAG, "Illegal subtype state: old subtype = " + oldSubtype 2018 + ", new subtype = " + newSubtype); 2019 return; 2020 } 2021 if (newSubtype != oldSubtype) { 2022 setSelectedInputMethodAndSubtypeLocked(info, subtypeId, true); 2023 if (mCurMethod != null) { 2024 try { 2025 updateSystemUiLocked(mCurToken, mImeWindowVis, mBackDisposition); 2026 mCurMethod.changeInputMethodSubtype(newSubtype); 2027 } catch (RemoteException e) { 2028 Slog.w(TAG, "Failed to call changeInputMethodSubtype"); 2029 return; 2030 } 2031 } 2032 notifyInputMethodSubtypeChanged(mSettings.getCurrentUserId(), info, newSubtype); 2033 } 2034 return; 2035 } 2036 2037 // Changing to a different IME. 2038 final long ident = Binder.clearCallingIdentity(); 2039 try { 2040 // Set a subtype to this input method. 2041 // subtypeId the name of a subtype which will be set. 2042 setSelectedInputMethodAndSubtypeLocked(info, subtypeId, false); 2043 // mCurMethodId should be updated after setSelectedInputMethodAndSubtypeLocked() 2044 // because mCurMethodId is stored as a history in 2045 // setSelectedInputMethodAndSubtypeLocked(). 2046 mCurMethodId = id; 2047 2048 if (ActivityManagerNative.isSystemReady()) { 2049 Intent intent = new Intent(Intent.ACTION_INPUT_METHOD_CHANGED); 2050 intent.addFlags(Intent.FLAG_RECEIVER_REPLACE_PENDING); 2051 intent.putExtra("input_method_id", id); 2052 mContext.sendBroadcastAsUser(intent, UserHandle.CURRENT); 2053 } 2054 unbindCurrentClientLocked(InputMethodClient.UNBIND_REASON_SWITCH_IME); 2055 } finally { 2056 Binder.restoreCallingIdentity(ident); 2057 } 2058 2059 notifyInputMethodSubtypeChanged(mSettings.getCurrentUserId(), info, 2060 getCurrentInputMethodSubtypeLocked()); 2061 } 2062 2063 @Override 2064 public boolean showSoftInput(IInputMethodClient client, int flags, 2065 ResultReceiver resultReceiver) { 2066 if (!calledFromValidUser()) { 2067 return false; 2068 } 2069 int uid = Binder.getCallingUid(); 2070 long ident = Binder.clearCallingIdentity(); 2071 try { 2072 synchronized (mMethodMap) { 2073 if (mCurClient == null || client == null 2074 || mCurClient.client.asBinder() != client.asBinder()) { 2075 try { 2076 // We need to check if this is the current client with 2077 // focus in the window manager, to allow this call to 2078 // be made before input is started in it. 2079 if (!mIWindowManager.inputMethodClientHasFocus(client)) { 2080 Slog.w(TAG, "Ignoring showSoftInput of uid " + uid + ": " + client); 2081 return false; 2082 } 2083 } catch (RemoteException e) { 2084 return false; 2085 } 2086 } 2087 2088 if (DEBUG) Slog.v(TAG, "Client requesting input be shown"); 2089 return showCurrentInputLocked(flags, resultReceiver); 2090 } 2091 } finally { 2092 Binder.restoreCallingIdentity(ident); 2093 } 2094 } 2095 2096 boolean showCurrentInputLocked(int flags, ResultReceiver resultReceiver) { 2097 mShowRequested = true; 2098 if (mAccessibilityRequestingNoSoftKeyboard) { 2099 return false; 2100 } 2101 2102 if ((flags&InputMethodManager.SHOW_FORCED) != 0) { 2103 mShowExplicitlyRequested = true; 2104 mShowForced = true; 2105 } else if ((flags&InputMethodManager.SHOW_IMPLICIT) == 0) { 2106 mShowExplicitlyRequested = true; 2107 } 2108 2109 if (!mSystemReady) { 2110 return false; 2111 } 2112 2113 boolean res = false; 2114 if (mCurMethod != null) { 2115 if (DEBUG) Slog.d(TAG, "showCurrentInputLocked: mCurToken=" + mCurToken); 2116 executeOrSendMessage(mCurMethod, mCaller.obtainMessageIOO( 2117 MSG_SHOW_SOFT_INPUT, getImeShowFlags(), mCurMethod, 2118 resultReceiver)); 2119 mInputShown = true; 2120 if (mHaveConnection && !mVisibleBound) { 2121 bindCurrentInputMethodService( 2122 mCurIntent, mVisibleConnection, Context.BIND_AUTO_CREATE 2123 | Context.BIND_TREAT_LIKE_ACTIVITY 2124 | Context.BIND_FOREGROUND_SERVICE); 2125 mVisibleBound = true; 2126 } 2127 res = true; 2128 } else if (mHaveConnection && SystemClock.uptimeMillis() 2129 >= (mLastBindTime+TIME_TO_RECONNECT)) { 2130 // The client has asked to have the input method shown, but 2131 // we have been sitting here too long with a connection to the 2132 // service and no interface received, so let's disconnect/connect 2133 // to try to prod things along. 2134 EventLog.writeEvent(EventLogTags.IMF_FORCE_RECONNECT_IME, mCurMethodId, 2135 SystemClock.uptimeMillis()-mLastBindTime,1); 2136 Slog.w(TAG, "Force disconnect/connect to the IME in showCurrentInputLocked()"); 2137 mContext.unbindService(this); 2138 bindCurrentInputMethodService(mCurIntent, this, Context.BIND_AUTO_CREATE 2139 | Context.BIND_NOT_VISIBLE); 2140 } else { 2141 if (DEBUG) { 2142 Slog.d(TAG, "Can't show input: connection = " + mHaveConnection + ", time = " 2143 + ((mLastBindTime+TIME_TO_RECONNECT) - SystemClock.uptimeMillis())); 2144 } 2145 } 2146 2147 return res; 2148 } 2149 2150 @Override 2151 public boolean hideSoftInput(IInputMethodClient client, int flags, 2152 ResultReceiver resultReceiver) { 2153 if (!calledFromValidUser()) { 2154 return false; 2155 } 2156 int uid = Binder.getCallingUid(); 2157 long ident = Binder.clearCallingIdentity(); 2158 try { 2159 synchronized (mMethodMap) { 2160 if (mCurClient == null || client == null 2161 || mCurClient.client.asBinder() != client.asBinder()) { 2162 try { 2163 // We need to check if this is the current client with 2164 // focus in the window manager, to allow this call to 2165 // be made before input is started in it. 2166 if (!mIWindowManager.inputMethodClientHasFocus(client)) { 2167 if (DEBUG) Slog.w(TAG, "Ignoring hideSoftInput of uid " 2168 + uid + ": " + client); 2169 return false; 2170 } 2171 } catch (RemoteException e) { 2172 return false; 2173 } 2174 } 2175 2176 if (DEBUG) Slog.v(TAG, "Client requesting input be hidden"); 2177 return hideCurrentInputLocked(flags, resultReceiver); 2178 } 2179 } finally { 2180 Binder.restoreCallingIdentity(ident); 2181 } 2182 } 2183 2184 boolean hideCurrentInputLocked(int flags, ResultReceiver resultReceiver) { 2185 if ((flags&InputMethodManager.HIDE_IMPLICIT_ONLY) != 0 2186 && (mShowExplicitlyRequested || mShowForced)) { 2187 if (DEBUG) Slog.v(TAG, "Not hiding: explicit show not cancelled by non-explicit hide"); 2188 return false; 2189 } 2190 if (mShowForced && (flags&InputMethodManager.HIDE_NOT_ALWAYS) != 0) { 2191 if (DEBUG) Slog.v(TAG, "Not hiding: forced show not cancelled by not-always hide"); 2192 return false; 2193 } 2194 2195 // There is a chance that IMM#hideSoftInput() is called in a transient state where 2196 // IMMS#InputShown is already updated to be true whereas IMMS#mImeWindowVis is still waiting 2197 // to be updated with the new value sent from IME process. Even in such a transient state 2198 // historically we have accepted an incoming call of IMM#hideSoftInput() from the 2199 // application process as a valid request, and have even promised such a behavior with CTS 2200 // since Android Eclair. That's why we need to accept IMM#hideSoftInput() even when only 2201 // IMMS#InputShown indicates that the software keyboard is shown. 2202 // TODO: Clean up, IMMS#mInputShown, IMMS#mImeWindowVis and mShowRequested. 2203 final boolean shouldHideSoftInput = (mCurMethod != null) && (mInputShown || 2204 (mImeWindowVis & InputMethodService.IME_ACTIVE) != 0); 2205 boolean res; 2206 if (shouldHideSoftInput) { 2207 // The IME will report its visible state again after the following message finally 2208 // delivered to the IME process as an IPC. Hence the inconsistency between 2209 // IMMS#mInputShown and IMMS#mImeWindowVis should be resolved spontaneously in 2210 // the final state. 2211 executeOrSendMessage(mCurMethod, mCaller.obtainMessageOO( 2212 MSG_HIDE_SOFT_INPUT, mCurMethod, resultReceiver)); 2213 res = true; 2214 } else { 2215 res = false; 2216 } 2217 if (mHaveConnection && mVisibleBound) { 2218 mContext.unbindService(mVisibleConnection); 2219 mVisibleBound = false; 2220 } 2221 mInputShown = false; 2222 mShowRequested = false; 2223 mShowExplicitlyRequested = false; 2224 mShowForced = false; 2225 return res; 2226 } 2227 2228 @Override 2229 public InputBindResult startInputOrWindowGainedFocus( 2230 /* @InputMethodClient.StartInputReason */ final int startInputReason, 2231 IInputMethodClient client, IBinder windowToken, int controlFlags, int softInputMode, 2232 int windowFlags, @Nullable EditorInfo attribute, IInputContext inputContext, 2233 /* @InputConnectionInspector.missingMethods */ final int missingMethods) { 2234 if (windowToken != null) { 2235 return windowGainedFocus(startInputReason, client, windowToken, controlFlags, 2236 softInputMode, windowFlags, attribute, inputContext, missingMethods); 2237 } else { 2238 return startInput(startInputReason, client, inputContext, missingMethods, attribute, 2239 controlFlags); 2240 } 2241 } 2242 2243 private InputBindResult windowGainedFocus( 2244 /* @InputMethodClient.StartInputReason */ final int startInputReason, 2245 IInputMethodClient client, IBinder windowToken, int controlFlags, int softInputMode, 2246 int windowFlags, EditorInfo attribute, IInputContext inputContext, 2247 /* @InputConnectionInspector.missingMethods */ final int missingMethods) { 2248 // Needs to check the validity before clearing calling identity 2249 final boolean calledFromValidUser = calledFromValidUser(); 2250 InputBindResult res = null; 2251 long ident = Binder.clearCallingIdentity(); 2252 try { 2253 synchronized (mMethodMap) { 2254 if (DEBUG) Slog.v(TAG, "windowGainedFocus: reason=" 2255 + InputMethodClient.getStartInputReason(startInputReason) 2256 + " client=" + client.asBinder() 2257 + " inputContext=" + inputContext 2258 + " missingMethods=" 2259 + InputConnectionInspector.getMissingMethodFlagsAsString(missingMethods) 2260 + " attribute=" + attribute 2261 + " controlFlags=#" + Integer.toHexString(controlFlags) 2262 + " softInputMode=#" + Integer.toHexString(softInputMode) 2263 + " windowFlags=#" + Integer.toHexString(windowFlags)); 2264 2265 ClientState cs = mClients.get(client.asBinder()); 2266 if (cs == null) { 2267 throw new IllegalArgumentException("unknown client " 2268 + client.asBinder()); 2269 } 2270 2271 try { 2272 if (!mIWindowManager.inputMethodClientHasFocus(cs.client)) { 2273 // Check with the window manager to make sure this client actually 2274 // has a window with focus. If not, reject. This is thread safe 2275 // because if the focus changes some time before or after, the 2276 // next client receiving focus that has any interest in input will 2277 // be calling through here after that change happens. 2278 Slog.w(TAG, "Focus gain on non-focused client " + cs.client 2279 + " (uid=" + cs.uid + " pid=" + cs.pid + ")"); 2280 return null; 2281 } 2282 } catch (RemoteException e) { 2283 } 2284 2285 if (!calledFromValidUser) { 2286 Slog.w(TAG, "A background user is requesting window. Hiding IME."); 2287 Slog.w(TAG, "If you want to interect with IME, you need " 2288 + "android.permission.INTERACT_ACROSS_USERS_FULL"); 2289 hideCurrentInputLocked(0, null); 2290 return null; 2291 } 2292 2293 if (mCurFocusedWindow == windowToken) { 2294 Slog.w(TAG, "Window already focused, ignoring focus gain of: " + client 2295 + " attribute=" + attribute + ", token = " + windowToken); 2296 if (attribute != null) { 2297 return startInputUncheckedLocked(cs, inputContext, missingMethods, 2298 attribute, controlFlags); 2299 } 2300 return null; 2301 } 2302 mCurFocusedWindow = windowToken; 2303 mCurFocusedWindowClient = cs; 2304 2305 // Should we auto-show the IME even if the caller has not 2306 // specified what should be done with it? 2307 // We only do this automatically if the window can resize 2308 // to accommodate the IME (so what the user sees will give 2309 // them good context without input information being obscured 2310 // by the IME) or if running on a large screen where there 2311 // is more room for the target window + IME. 2312 final boolean doAutoShow = 2313 (softInputMode & WindowManager.LayoutParams.SOFT_INPUT_MASK_ADJUST) 2314 == WindowManager.LayoutParams.SOFT_INPUT_ADJUST_RESIZE 2315 || mRes.getConfiguration().isLayoutSizeAtLeast( 2316 Configuration.SCREENLAYOUT_SIZE_LARGE); 2317 final boolean isTextEditor = 2318 (controlFlags&InputMethodManager.CONTROL_WINDOW_IS_TEXT_EDITOR) != 0; 2319 2320 // We want to start input before showing the IME, but after closing 2321 // it. We want to do this after closing it to help the IME disappear 2322 // more quickly (not get stuck behind it initializing itself for the 2323 // new focused input, even if its window wants to hide the IME). 2324 boolean didStart = false; 2325 2326 switch (softInputMode&WindowManager.LayoutParams.SOFT_INPUT_MASK_STATE) { 2327 case WindowManager.LayoutParams.SOFT_INPUT_STATE_UNSPECIFIED: 2328 if (!isTextEditor || !doAutoShow) { 2329 if (WindowManager.LayoutParams.mayUseInputMethod(windowFlags)) { 2330 // There is no focus view, and this window will 2331 // be behind any soft input window, so hide the 2332 // soft input window if it is shown. 2333 if (DEBUG) Slog.v(TAG, "Unspecified window will hide input"); 2334 hideCurrentInputLocked(InputMethodManager.HIDE_NOT_ALWAYS, null); 2335 } 2336 } else if (isTextEditor && doAutoShow && (softInputMode & 2337 WindowManager.LayoutParams.SOFT_INPUT_IS_FORWARD_NAVIGATION) != 0) { 2338 // There is a focus view, and we are navigating forward 2339 // into the window, so show the input window for the user. 2340 // We only do this automatically if the window can resize 2341 // to accommodate the IME (so what the user sees will give 2342 // them good context without input information being obscured 2343 // by the IME) or if running on a large screen where there 2344 // is more room for the target window + IME. 2345 if (DEBUG) Slog.v(TAG, "Unspecified window will show input"); 2346 if (attribute != null) { 2347 res = startInputUncheckedLocked(cs, inputContext, 2348 missingMethods, attribute, controlFlags); 2349 didStart = true; 2350 } 2351 showCurrentInputLocked(InputMethodManager.SHOW_IMPLICIT, null); 2352 } 2353 break; 2354 case WindowManager.LayoutParams.SOFT_INPUT_STATE_UNCHANGED: 2355 // Do nothing. 2356 break; 2357 case WindowManager.LayoutParams.SOFT_INPUT_STATE_HIDDEN: 2358 if ((softInputMode & 2359 WindowManager.LayoutParams.SOFT_INPUT_IS_FORWARD_NAVIGATION) != 0) { 2360 if (DEBUG) Slog.v(TAG, "Window asks to hide input going forward"); 2361 hideCurrentInputLocked(0, null); 2362 } 2363 break; 2364 case WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_HIDDEN: 2365 if (DEBUG) Slog.v(TAG, "Window asks to hide input"); 2366 hideCurrentInputLocked(0, null); 2367 break; 2368 case WindowManager.LayoutParams.SOFT_INPUT_STATE_VISIBLE: 2369 if ((softInputMode & 2370 WindowManager.LayoutParams.SOFT_INPUT_IS_FORWARD_NAVIGATION) != 0) { 2371 if (DEBUG) Slog.v(TAG, "Window asks to show input going forward"); 2372 if (attribute != null) { 2373 res = startInputUncheckedLocked(cs, inputContext, 2374 missingMethods, attribute, controlFlags); 2375 didStart = true; 2376 } 2377 showCurrentInputLocked(InputMethodManager.SHOW_IMPLICIT, null); 2378 } 2379 break; 2380 case WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_VISIBLE: 2381 if (DEBUG) Slog.v(TAG, "Window asks to always show input"); 2382 if (attribute != null) { 2383 res = startInputUncheckedLocked(cs, inputContext, missingMethods, 2384 attribute, controlFlags); 2385 didStart = true; 2386 } 2387 showCurrentInputLocked(InputMethodManager.SHOW_IMPLICIT, null); 2388 break; 2389 } 2390 2391 if (!didStart && attribute != null) { 2392 res = startInputUncheckedLocked(cs, inputContext, missingMethods, attribute, 2393 controlFlags); 2394 } 2395 } 2396 } finally { 2397 Binder.restoreCallingIdentity(ident); 2398 } 2399 2400 return res; 2401 } 2402 2403 @Override 2404 public void showInputMethodPickerFromClient( 2405 IInputMethodClient client, int auxiliarySubtypeMode) { 2406 if (!calledFromValidUser()) { 2407 return; 2408 } 2409 synchronized (mMethodMap) { 2410 if (mCurClient == null || client == null 2411 || mCurClient.client.asBinder() != client.asBinder()) { 2412 Slog.w(TAG, "Ignoring showInputMethodPickerFromClient of uid " 2413 + Binder.getCallingUid() + ": " + client); 2414 } 2415 2416 // Always call subtype picker, because subtype picker is a superset of input method 2417 // picker. 2418 mHandler.sendMessage(mCaller.obtainMessageI( 2419 MSG_SHOW_IM_SUBTYPE_PICKER, auxiliarySubtypeMode)); 2420 } 2421 } 2422 2423 @Override 2424 public void setInputMethod(IBinder token, String id) { 2425 if (!calledFromValidUser()) { 2426 return; 2427 } 2428 setInputMethodWithSubtypeId(token, id, NOT_A_SUBTYPE_ID); 2429 } 2430 2431 @Override 2432 public void setInputMethodAndSubtype(IBinder token, String id, InputMethodSubtype subtype) { 2433 if (!calledFromValidUser()) { 2434 return; 2435 } 2436 synchronized (mMethodMap) { 2437 if (subtype != null) { 2438 setInputMethodWithSubtypeIdLocked(token, id, 2439 InputMethodUtils.getSubtypeIdFromHashCode(mMethodMap.get(id), 2440 subtype.hashCode())); 2441 } else { 2442 setInputMethod(token, id); 2443 } 2444 } 2445 } 2446 2447 @Override 2448 public void showInputMethodAndSubtypeEnablerFromClient( 2449 IInputMethodClient client, String inputMethodId) { 2450 if (!calledFromValidUser()) { 2451 return; 2452 } 2453 synchronized (mMethodMap) { 2454 executeOrSendMessage(mCurMethod, mCaller.obtainMessageO( 2455 MSG_SHOW_IM_SUBTYPE_ENABLER, inputMethodId)); 2456 } 2457 } 2458 2459 @Override 2460 public boolean switchToLastInputMethod(IBinder token) { 2461 if (!calledFromValidUser()) { 2462 return false; 2463 } 2464 synchronized (mMethodMap) { 2465 final Pair<String, String> lastIme = mSettings.getLastInputMethodAndSubtypeLocked(); 2466 final InputMethodInfo lastImi; 2467 if (lastIme != null) { 2468 lastImi = mMethodMap.get(lastIme.first); 2469 } else { 2470 lastImi = null; 2471 } 2472 String targetLastImiId = null; 2473 int subtypeId = NOT_A_SUBTYPE_ID; 2474 if (lastIme != null && lastImi != null) { 2475 final boolean imiIdIsSame = lastImi.getId().equals(mCurMethodId); 2476 final int lastSubtypeHash = Integer.valueOf(lastIme.second); 2477 final int currentSubtypeHash = mCurrentSubtype == null ? NOT_A_SUBTYPE_ID 2478 : mCurrentSubtype.hashCode(); 2479 // If the last IME is the same as the current IME and the last subtype is not 2480 // defined, there is no need to switch to the last IME. 2481 if (!imiIdIsSame || lastSubtypeHash != currentSubtypeHash) { 2482 targetLastImiId = lastIme.first; 2483 subtypeId = InputMethodUtils.getSubtypeIdFromHashCode(lastImi, lastSubtypeHash); 2484 } 2485 } 2486 2487 if (TextUtils.isEmpty(targetLastImiId) 2488 && !InputMethodUtils.canAddToLastInputMethod(mCurrentSubtype)) { 2489 // This is a safety net. If the currentSubtype can't be added to the history 2490 // and the framework couldn't find the last ime, we will make the last ime be 2491 // the most applicable enabled keyboard subtype of the system imes. 2492 final List<InputMethodInfo> enabled = mSettings.getEnabledInputMethodListLocked(); 2493 if (enabled != null) { 2494 final int N = enabled.size(); 2495 final String locale = mCurrentSubtype == null 2496 ? mRes.getConfiguration().locale.toString() 2497 : mCurrentSubtype.getLocale(); 2498 for (int i = 0; i < N; ++i) { 2499 final InputMethodInfo imi = enabled.get(i); 2500 if (imi.getSubtypeCount() > 0 && InputMethodUtils.isSystemIme(imi)) { 2501 InputMethodSubtype keyboardSubtype = 2502 InputMethodUtils.findLastResortApplicableSubtypeLocked(mRes, 2503 InputMethodUtils.getSubtypes(imi), 2504 InputMethodUtils.SUBTYPE_MODE_KEYBOARD, locale, true); 2505 if (keyboardSubtype != null) { 2506 targetLastImiId = imi.getId(); 2507 subtypeId = InputMethodUtils.getSubtypeIdFromHashCode( 2508 imi, keyboardSubtype.hashCode()); 2509 if(keyboardSubtype.getLocale().equals(locale)) { 2510 break; 2511 } 2512 } 2513 } 2514 } 2515 } 2516 } 2517 2518 if (!TextUtils.isEmpty(targetLastImiId)) { 2519 if (DEBUG) { 2520 Slog.d(TAG, "Switch to: " + lastImi.getId() + ", " + lastIme.second 2521 + ", from: " + mCurMethodId + ", " + subtypeId); 2522 } 2523 setInputMethodWithSubtypeIdLocked(token, targetLastImiId, subtypeId); 2524 return true; 2525 } else { 2526 return false; 2527 } 2528 } 2529 } 2530 2531 @Override 2532 public boolean switchToNextInputMethod(IBinder token, boolean onlyCurrentIme) { 2533 if (!calledFromValidUser()) { 2534 return false; 2535 } 2536 synchronized (mMethodMap) { 2537 if (!calledWithValidToken(token)) { 2538 final int uid = Binder.getCallingUid(); 2539 Slog.e(TAG, "Ignoring switchToNextInputMethod due to an invalid token. uid:" + uid 2540 + " token:" + token); 2541 return false; 2542 } 2543 final ImeSubtypeListItem nextSubtype = mSwitchingController.getNextInputMethodLocked( 2544 onlyCurrentIme, mMethodMap.get(mCurMethodId), mCurrentSubtype, 2545 true /* forward */); 2546 if (nextSubtype == null) { 2547 return false; 2548 } 2549 setInputMethodWithSubtypeIdLocked(token, nextSubtype.mImi.getId(), 2550 nextSubtype.mSubtypeId); 2551 return true; 2552 } 2553 } 2554 2555 @Override 2556 public boolean shouldOfferSwitchingToNextInputMethod(IBinder token) { 2557 if (!calledFromValidUser()) { 2558 return false; 2559 } 2560 synchronized (mMethodMap) { 2561 if (!calledWithValidToken(token)) { 2562 final int uid = Binder.getCallingUid(); 2563 Slog.e(TAG, "Ignoring shouldOfferSwitchingToNextInputMethod due to an invalid " 2564 + "token. uid:" + uid + " token:" + token); 2565 return false; 2566 } 2567 final ImeSubtypeListItem nextSubtype = mSwitchingController.getNextInputMethodLocked( 2568 false /* onlyCurrentIme */, mMethodMap.get(mCurMethodId), mCurrentSubtype, 2569 true /* forward */); 2570 if (nextSubtype == null) { 2571 return false; 2572 } 2573 return true; 2574 } 2575 } 2576 2577 @Override 2578 public InputMethodSubtype getLastInputMethodSubtype() { 2579 if (!calledFromValidUser()) { 2580 return null; 2581 } 2582 synchronized (mMethodMap) { 2583 final Pair<String, String> lastIme = mSettings.getLastInputMethodAndSubtypeLocked(); 2584 // TODO: Handle the case of the last IME with no subtypes 2585 if (lastIme == null || TextUtils.isEmpty(lastIme.first) 2586 || TextUtils.isEmpty(lastIme.second)) return null; 2587 final InputMethodInfo lastImi = mMethodMap.get(lastIme.first); 2588 if (lastImi == null) return null; 2589 try { 2590 final int lastSubtypeHash = Integer.valueOf(lastIme.second); 2591 final int lastSubtypeId = 2592 InputMethodUtils.getSubtypeIdFromHashCode(lastImi, lastSubtypeHash); 2593 if (lastSubtypeId < 0 || lastSubtypeId >= lastImi.getSubtypeCount()) { 2594 return null; 2595 } 2596 return lastImi.getSubtypeAt(lastSubtypeId); 2597 } catch (NumberFormatException e) { 2598 return null; 2599 } 2600 } 2601 } 2602 2603 @Override 2604 public void setAdditionalInputMethodSubtypes(String imiId, InputMethodSubtype[] subtypes) { 2605 if (!calledFromValidUser()) { 2606 return; 2607 } 2608 // By this IPC call, only a process which shares the same uid with the IME can add 2609 // additional input method subtypes to the IME. 2610 if (TextUtils.isEmpty(imiId) || subtypes == null) return; 2611 synchronized (mMethodMap) { 2612 final InputMethodInfo imi = mMethodMap.get(imiId); 2613 if (imi == null) return; 2614 final String[] packageInfos; 2615 try { 2616 packageInfos = mIPackageManager.getPackagesForUid(Binder.getCallingUid()); 2617 } catch (RemoteException e) { 2618 Slog.e(TAG, "Failed to get package infos"); 2619 return; 2620 } 2621 if (packageInfos != null) { 2622 final int packageNum = packageInfos.length; 2623 for (int i = 0; i < packageNum; ++i) { 2624 if (packageInfos[i].equals(imi.getPackageName())) { 2625 mFileManager.addInputMethodSubtypes(imi, subtypes); 2626 final long ident = Binder.clearCallingIdentity(); 2627 try { 2628 buildInputMethodListLocked(false /* resetDefaultEnabledIme */); 2629 } finally { 2630 Binder.restoreCallingIdentity(ident); 2631 } 2632 return; 2633 } 2634 } 2635 } 2636 } 2637 return; 2638 } 2639 2640 @Override 2641 public int getInputMethodWindowVisibleHeight() { 2642 return mWindowManagerInternal.getInputMethodWindowVisibleHeight(); 2643 } 2644 2645 @Override 2646 public void notifyUserAction(int sequenceNumber) { 2647 if (DEBUG) { 2648 Slog.d(TAG, "Got the notification of a user action. sequenceNumber:" + sequenceNumber); 2649 } 2650 synchronized (mMethodMap) { 2651 if (mCurUserActionNotificationSequenceNumber != sequenceNumber) { 2652 if (DEBUG) { 2653 Slog.d(TAG, "Ignoring the user action notification due to the sequence number " 2654 + "mismatch. expected:" + mCurUserActionNotificationSequenceNumber 2655 + " actual: " + sequenceNumber); 2656 } 2657 return; 2658 } 2659 final InputMethodInfo imi = mMethodMap.get(mCurMethodId); 2660 if (imi != null) { 2661 mSwitchingController.onUserActionLocked(imi, mCurrentSubtype); 2662 } 2663 } 2664 } 2665 2666 private void setInputMethodWithSubtypeId(IBinder token, String id, int subtypeId) { 2667 synchronized (mMethodMap) { 2668 setInputMethodWithSubtypeIdLocked(token, id, subtypeId); 2669 } 2670 } 2671 2672 private void setInputMethodWithSubtypeIdLocked(IBinder token, String id, int subtypeId) { 2673 if (token == null) { 2674 if (mContext.checkCallingOrSelfPermission( 2675 android.Manifest.permission.WRITE_SECURE_SETTINGS) 2676 != PackageManager.PERMISSION_GRANTED) { 2677 throw new SecurityException( 2678 "Using null token requires permission " 2679 + android.Manifest.permission.WRITE_SECURE_SETTINGS); 2680 } 2681 } else if (mCurToken != token) { 2682 Slog.w(TAG, "Ignoring setInputMethod of uid " + Binder.getCallingUid() 2683 + " token: " + token); 2684 return; 2685 } 2686 2687 final long ident = Binder.clearCallingIdentity(); 2688 try { 2689 setInputMethodLocked(id, subtypeId); 2690 } finally { 2691 Binder.restoreCallingIdentity(ident); 2692 } 2693 } 2694 2695 @Override 2696 public void hideMySoftInput(IBinder token, int flags) { 2697 if (!calledFromValidUser()) { 2698 return; 2699 } 2700 synchronized (mMethodMap) { 2701 if (!calledWithValidToken(token)) { 2702 final int uid = Binder.getCallingUid(); 2703 Slog.e(TAG, "Ignoring hideInputMethod due to an invalid token. uid:" 2704 + uid + " token:" + token); 2705 return; 2706 } 2707 long ident = Binder.clearCallingIdentity(); 2708 try { 2709 hideCurrentInputLocked(flags, null); 2710 } finally { 2711 Binder.restoreCallingIdentity(ident); 2712 } 2713 } 2714 } 2715 2716 @Override 2717 public void showMySoftInput(IBinder token, int flags) { 2718 if (!calledFromValidUser()) { 2719 return; 2720 } 2721 synchronized (mMethodMap) { 2722 if (!calledWithValidToken(token)) { 2723 final int uid = Binder.getCallingUid(); 2724 Slog.e(TAG, "Ignoring showMySoftInput due to an invalid token. uid:" 2725 + uid + " token:" + token); 2726 return; 2727 } 2728 long ident = Binder.clearCallingIdentity(); 2729 try { 2730 showCurrentInputLocked(flags, null); 2731 } finally { 2732 Binder.restoreCallingIdentity(ident); 2733 } 2734 } 2735 } 2736 2737 void setEnabledSessionInMainThread(SessionState session) { 2738 if (mEnabledSession != session) { 2739 if (mEnabledSession != null && mEnabledSession.session != null) { 2740 try { 2741 if (DEBUG) Slog.v(TAG, "Disabling: " + mEnabledSession); 2742 mEnabledSession.method.setSessionEnabled(mEnabledSession.session, false); 2743 } catch (RemoteException e) { 2744 } 2745 } 2746 mEnabledSession = session; 2747 if (mEnabledSession != null && mEnabledSession.session != null) { 2748 try { 2749 if (DEBUG) Slog.v(TAG, "Enabling: " + mEnabledSession); 2750 mEnabledSession.method.setSessionEnabled(mEnabledSession.session, true); 2751 } catch (RemoteException e) { 2752 } 2753 } 2754 } 2755 } 2756 2757 @Override 2758 public boolean handleMessage(Message msg) { 2759 SomeArgs args; 2760 switch (msg.what) { 2761 case MSG_SHOW_IM_SUBTYPE_PICKER: 2762 final boolean showAuxSubtypes; 2763 switch (msg.arg1) { 2764 case InputMethodManager.SHOW_IM_PICKER_MODE_AUTO: 2765 // This is undocumented so far, but IMM#showInputMethodPicker() has been 2766 // implemented so that auxiliary subtypes will be excluded when the soft 2767 // keyboard is invisible. 2768 showAuxSubtypes = mInputShown; 2769 break; 2770 case InputMethodManager.SHOW_IM_PICKER_MODE_INCLUDE_AUXILIARY_SUBTYPES: 2771 showAuxSubtypes = true; 2772 break; 2773 case InputMethodManager.SHOW_IM_PICKER_MODE_EXCLUDE_AUXILIARY_SUBTYPES: 2774 showAuxSubtypes = false; 2775 break; 2776 default: 2777 Slog.e(TAG, "Unknown subtype picker mode = " + msg.arg1); 2778 return false; 2779 } 2780 showInputMethodMenu(showAuxSubtypes); 2781 return true; 2782 2783 case MSG_SHOW_IM_SUBTYPE_ENABLER: 2784 showInputMethodAndSubtypeEnabler((String)msg.obj); 2785 return true; 2786 2787 case MSG_SHOW_IM_CONFIG: 2788 showConfigureInputMethods(); 2789 return true; 2790 2791 // --------------------------------------------------------- 2792 2793 case MSG_UNBIND_INPUT: 2794 try { 2795 ((IInputMethod)msg.obj).unbindInput(); 2796 } catch (RemoteException e) { 2797 // There is nothing interesting about the method dying. 2798 } 2799 return true; 2800 case MSG_BIND_INPUT: 2801 args = (SomeArgs)msg.obj; 2802 try { 2803 ((IInputMethod)args.arg1).bindInput((InputBinding)args.arg2); 2804 } catch (RemoteException e) { 2805 } 2806 args.recycle(); 2807 return true; 2808 case MSG_SHOW_SOFT_INPUT: 2809 args = (SomeArgs)msg.obj; 2810 try { 2811 if (DEBUG) Slog.v(TAG, "Calling " + args.arg1 + ".showSoftInput(" 2812 + msg.arg1 + ", " + args.arg2 + ")"); 2813 ((IInputMethod)args.arg1).showSoftInput(msg.arg1, (ResultReceiver)args.arg2); 2814 } catch (RemoteException e) { 2815 } 2816 args.recycle(); 2817 return true; 2818 case MSG_HIDE_SOFT_INPUT: 2819 args = (SomeArgs)msg.obj; 2820 try { 2821 if (DEBUG) Slog.v(TAG, "Calling " + args.arg1 + ".hideSoftInput(0, " 2822 + args.arg2 + ")"); 2823 ((IInputMethod)args.arg1).hideSoftInput(0, (ResultReceiver)args.arg2); 2824 } catch (RemoteException e) { 2825 } 2826 args.recycle(); 2827 return true; 2828 case MSG_ATTACH_TOKEN: 2829 args = (SomeArgs)msg.obj; 2830 try { 2831 if (DEBUG) Slog.v(TAG, "Sending attach of token: " + args.arg2); 2832 ((IInputMethod)args.arg1).attachToken((IBinder)args.arg2); 2833 } catch (RemoteException e) { 2834 } 2835 args.recycle(); 2836 return true; 2837 case MSG_CREATE_SESSION: { 2838 args = (SomeArgs)msg.obj; 2839 IInputMethod method = (IInputMethod)args.arg1; 2840 InputChannel channel = (InputChannel)args.arg2; 2841 try { 2842 method.createSession(channel, (IInputSessionCallback)args.arg3); 2843 } catch (RemoteException e) { 2844 } finally { 2845 // Dispose the channel if the input method is not local to this process 2846 // because the remote proxy will get its own copy when unparceled. 2847 if (channel != null && Binder.isProxy(method)) { 2848 channel.dispose(); 2849 } 2850 } 2851 args.recycle(); 2852 return true; 2853 } 2854 // --------------------------------------------------------- 2855 2856 case MSG_START_INPUT: { 2857 int missingMethods = msg.arg1; 2858 args = (SomeArgs) msg.obj; 2859 try { 2860 SessionState session = (SessionState) args.arg1; 2861 setEnabledSessionInMainThread(session); 2862 session.method.startInput((IInputContext) args.arg2, missingMethods, 2863 (EditorInfo) args.arg3); 2864 } catch (RemoteException e) { 2865 } 2866 args.recycle(); 2867 return true; 2868 } 2869 case MSG_RESTART_INPUT: { 2870 int missingMethods = msg.arg1; 2871 args = (SomeArgs) msg.obj; 2872 try { 2873 SessionState session = (SessionState) args.arg1; 2874 setEnabledSessionInMainThread(session); 2875 session.method.restartInput((IInputContext) args.arg2, missingMethods, 2876 (EditorInfo) args.arg3); 2877 } catch (RemoteException e) { 2878 } 2879 args.recycle(); 2880 return true; 2881 } 2882 2883 // --------------------------------------------------------- 2884 2885 case MSG_UNBIND_CLIENT: 2886 try { 2887 ((IInputMethodClient)msg.obj).onUnbindMethod(msg.arg1, msg.arg2); 2888 } catch (RemoteException e) { 2889 // There is nothing interesting about the last client dying. 2890 } 2891 return true; 2892 case MSG_BIND_CLIENT: { 2893 args = (SomeArgs)msg.obj; 2894 IInputMethodClient client = (IInputMethodClient)args.arg1; 2895 InputBindResult res = (InputBindResult)args.arg2; 2896 try { 2897 client.onBindMethod(res); 2898 } catch (RemoteException e) { 2899 Slog.w(TAG, "Client died receiving input method " + args.arg2); 2900 } finally { 2901 // Dispose the channel if the input method is not local to this process 2902 // because the remote proxy will get its own copy when unparceled. 2903 if (res.channel != null && Binder.isProxy(client)) { 2904 res.channel.dispose(); 2905 } 2906 } 2907 args.recycle(); 2908 return true; 2909 } 2910 case MSG_SET_ACTIVE: 2911 try { 2912 ((ClientState)msg.obj).client.setActive(msg.arg1 != 0); 2913 } catch (RemoteException e) { 2914 Slog.w(TAG, "Got RemoteException sending setActive(false) notification to pid " 2915 + ((ClientState)msg.obj).pid + " uid " 2916 + ((ClientState)msg.obj).uid); 2917 } 2918 return true; 2919 case MSG_SET_INTERACTIVE: 2920 handleSetInteractive(msg.arg1 != 0); 2921 return true; 2922 case MSG_SWITCH_IME: 2923 handleSwitchInputMethod(msg.arg1 != 0); 2924 return true; 2925 case MSG_SET_USER_ACTION_NOTIFICATION_SEQUENCE_NUMBER: { 2926 final int sequenceNumber = msg.arg1; 2927 final ClientState clientState = (ClientState)msg.obj; 2928 try { 2929 clientState.client.setUserActionNotificationSequenceNumber(sequenceNumber); 2930 } catch (RemoteException e) { 2931 Slog.w(TAG, "Got RemoteException sending " 2932 + "setUserActionNotificationSequenceNumber(" 2933 + sequenceNumber + ") notification to pid " 2934 + clientState.pid + " uid " 2935 + clientState.uid); 2936 } 2937 return true; 2938 } 2939 2940 // -------------------------------------------------------------- 2941 case MSG_HARD_KEYBOARD_SWITCH_CHANGED: 2942 mHardKeyboardListener.handleHardKeyboardStatusChange(msg.arg1 == 1); 2943 return true; 2944 } 2945 return false; 2946 } 2947 2948 private void handleSetInteractive(final boolean interactive) { 2949 synchronized (mMethodMap) { 2950 mIsInteractive = interactive; 2951 updateSystemUiLocked(mCurToken, interactive ? mImeWindowVis : 0, mBackDisposition); 2952 2953 // Inform the current client of the change in active status 2954 if (mCurClient != null && mCurClient.client != null) { 2955 executeOrSendMessage(mCurClient.client, mCaller.obtainMessageIO( 2956 MSG_SET_ACTIVE, mIsInteractive ? 1 : 0, mCurClient)); 2957 } 2958 } 2959 } 2960 2961 private void handleSwitchInputMethod(final boolean forwardDirection) { 2962 synchronized (mMethodMap) { 2963 final ImeSubtypeListItem nextSubtype = mSwitchingController.getNextInputMethodLocked( 2964 false, mMethodMap.get(mCurMethodId), mCurrentSubtype, forwardDirection); 2965 if (nextSubtype == null) { 2966 return; 2967 } 2968 setInputMethodLocked(nextSubtype.mImi.getId(), nextSubtype.mSubtypeId); 2969 final InputMethodInfo newInputMethodInfo = mMethodMap.get(mCurMethodId); 2970 if (newInputMethodInfo == null) { 2971 return; 2972 } 2973 final CharSequence toastText = InputMethodUtils.getImeAndSubtypeDisplayName(mContext, 2974 newInputMethodInfo, mCurrentSubtype); 2975 if (!TextUtils.isEmpty(toastText)) { 2976 if (mSubtypeSwitchedByShortCutToast == null) { 2977 mSubtypeSwitchedByShortCutToast = Toast.makeText(mContext, toastText, 2978 Toast.LENGTH_SHORT); 2979 } else { 2980 mSubtypeSwitchedByShortCutToast.setText(toastText); 2981 } 2982 mSubtypeSwitchedByShortCutToast.show(); 2983 } 2984 } 2985 } 2986 2987 private boolean chooseNewDefaultIMELocked() { 2988 final InputMethodInfo imi = InputMethodUtils.getMostApplicableDefaultIME( 2989 mSettings.getEnabledInputMethodListLocked()); 2990 if (imi != null) { 2991 if (DEBUG) { 2992 Slog.d(TAG, "New default IME was selected: " + imi.getId()); 2993 } 2994 resetSelectedInputMethodAndSubtypeLocked(imi.getId()); 2995 return true; 2996 } 2997 2998 return false; 2999 } 3000 3001 void buildInputMethodListLocked(boolean resetDefaultEnabledIme) { 3002 if (DEBUG) { 3003 Slog.d(TAG, "--- re-buildInputMethodList reset = " + resetDefaultEnabledIme 3004 + " \n ------ caller=" + Debug.getCallers(10)); 3005 } 3006 mMethodList.clear(); 3007 mMethodMap.clear(); 3008 3009 // Use for queryIntentServicesAsUser 3010 final PackageManager pm = mContext.getPackageManager(); 3011 3012 // Note: We do not specify PackageManager.MATCH_ENCRYPTION_* flags here because the default 3013 // behavior of PackageManager is exactly what we want. It by default picks up appropriate 3014 // services depending on the unlock state for the specified user. 3015 final List<ResolveInfo> services = pm.queryIntentServicesAsUser( 3016 new Intent(InputMethod.SERVICE_INTERFACE), 3017 PackageManager.GET_META_DATA | PackageManager.GET_DISABLED_UNTIL_USED_COMPONENTS, 3018 mSettings.getCurrentUserId()); 3019 3020 final HashMap<String, List<InputMethodSubtype>> additionalSubtypes = 3021 mFileManager.getAllAdditionalInputMethodSubtypes(); 3022 for (int i = 0; i < services.size(); ++i) { 3023 ResolveInfo ri = services.get(i); 3024 ServiceInfo si = ri.serviceInfo; 3025 ComponentName compName = new ComponentName(si.packageName, si.name); 3026 if (!android.Manifest.permission.BIND_INPUT_METHOD.equals( 3027 si.permission)) { 3028 Slog.w(TAG, "Skipping input method " + compName 3029 + ": it does not require the permission " 3030 + android.Manifest.permission.BIND_INPUT_METHOD); 3031 continue; 3032 } 3033 3034 if (DEBUG) Slog.d(TAG, "Checking " + compName); 3035 3036 try { 3037 InputMethodInfo p = new InputMethodInfo(mContext, ri, additionalSubtypes); 3038 mMethodList.add(p); 3039 final String id = p.getId(); 3040 mMethodMap.put(id, p); 3041 3042 if (DEBUG) { 3043 Slog.d(TAG, "Found an input method " + p); 3044 } 3045 } catch (XmlPullParserException | IOException e) { 3046 Slog.w(TAG, "Unable to load input method " + compName, e); 3047 } 3048 } 3049 3050 // TODO: The following code should find better place to live. 3051 if (!resetDefaultEnabledIme) { 3052 boolean enabledImeFound = false; 3053 final List<InputMethodInfo> enabledImes = mSettings.getEnabledInputMethodListLocked(); 3054 final int N = enabledImes.size(); 3055 for (int i = 0; i < N; ++i) { 3056 final InputMethodInfo imi = enabledImes.get(i); 3057 if (mMethodList.contains(imi)) { 3058 enabledImeFound = true; 3059 break; 3060 } 3061 } 3062 if (!enabledImeFound) { 3063 Slog.i(TAG, "All the enabled IMEs are gone. Reset default enabled IMEs."); 3064 resetDefaultEnabledIme = true; 3065 resetSelectedInputMethodAndSubtypeLocked(""); 3066 } 3067 } 3068 3069 if (resetDefaultEnabledIme) { 3070 final ArrayList<InputMethodInfo> defaultEnabledIme = 3071 InputMethodUtils.getDefaultEnabledImes(mContext, mSystemReady, mMethodList); 3072 final int N = defaultEnabledIme.size(); 3073 for (int i = 0; i < N; ++i) { 3074 final InputMethodInfo imi = defaultEnabledIme.get(i); 3075 if (DEBUG) { 3076 Slog.d(TAG, "--- enable ime = " + imi); 3077 } 3078 setInputMethodEnabledLocked(imi.getId(), true); 3079 } 3080 } 3081 3082 final String defaultImiId = mSettings.getSelectedInputMethod(); 3083 if (!TextUtils.isEmpty(defaultImiId)) { 3084 if (!mMethodMap.containsKey(defaultImiId)) { 3085 Slog.w(TAG, "Default IME is uninstalled. Choose new default IME."); 3086 if (chooseNewDefaultIMELocked()) { 3087 updateInputMethodsFromSettingsLocked(true); 3088 } 3089 } else { 3090 // Double check that the default IME is certainly enabled. 3091 setInputMethodEnabledLocked(defaultImiId, true); 3092 } 3093 } 3094 // Here is not the perfect place to reset the switching controller. Ideally 3095 // mSwitchingController and mSettings should be able to share the same state. 3096 // TODO: Make sure that mSwitchingController and mSettings are sharing the 3097 // the same enabled IMEs list. 3098 mSwitchingController.resetCircularListLocked(mContext); 3099 } 3100 3101 // ---------------------------------------------------------------------- 3102 3103 private void showInputMethodAndSubtypeEnabler(String inputMethodId) { 3104 Intent intent = new Intent(Settings.ACTION_INPUT_METHOD_SUBTYPE_SETTINGS); 3105 intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK 3106 | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED 3107 | Intent.FLAG_ACTIVITY_CLEAR_TOP); 3108 if (!TextUtils.isEmpty(inputMethodId)) { 3109 intent.putExtra(Settings.EXTRA_INPUT_METHOD_ID, inputMethodId); 3110 } 3111 final int userId; 3112 synchronized (mMethodMap) { 3113 userId = mSettings.getCurrentUserId(); 3114 } 3115 mContext.startActivityAsUser(intent, null, UserHandle.of(userId)); 3116 } 3117 3118 private void showConfigureInputMethods() { 3119 Intent intent = new Intent(Settings.ACTION_INPUT_METHOD_SETTINGS); 3120 intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK 3121 | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED 3122 | Intent.FLAG_ACTIVITY_CLEAR_TOP); 3123 mContext.startActivityAsUser(intent, null, UserHandle.CURRENT); 3124 } 3125 3126 private boolean isScreenLocked() { 3127 return mKeyguardManager != null 3128 && mKeyguardManager.isKeyguardLocked() && mKeyguardManager.isKeyguardSecure(); 3129 } 3130 3131 private void showInputMethodMenu(boolean showAuxSubtypes) { 3132 if (DEBUG) Slog.v(TAG, "Show switching menu. showAuxSubtypes=" + showAuxSubtypes); 3133 3134 final Context context = mContext; 3135 final boolean isScreenLocked = isScreenLocked(); 3136 3137 final String lastInputMethodId = mSettings.getSelectedInputMethod(); 3138 int lastInputMethodSubtypeId = mSettings.getSelectedInputMethodSubtypeId(lastInputMethodId); 3139 if (DEBUG) Slog.v(TAG, "Current IME: " + lastInputMethodId); 3140 3141 synchronized (mMethodMap) { 3142 final HashMap<InputMethodInfo, List<InputMethodSubtype>> immis = 3143 mSettings.getExplicitlyOrImplicitlyEnabledInputMethodsAndSubtypeListLocked( 3144 mContext); 3145 if (immis == null || immis.size() == 0) { 3146 return; 3147 } 3148 3149 hideInputMethodMenuLocked(); 3150 3151 final List<ImeSubtypeListItem> imList = 3152 mSwitchingController.getSortedInputMethodAndSubtypeListLocked( 3153 showAuxSubtypes, isScreenLocked); 3154 3155 if (lastInputMethodSubtypeId == NOT_A_SUBTYPE_ID) { 3156 final InputMethodSubtype currentSubtype = getCurrentInputMethodSubtypeLocked(); 3157 if (currentSubtype != null) { 3158 final InputMethodInfo currentImi = mMethodMap.get(mCurMethodId); 3159 lastInputMethodSubtypeId = InputMethodUtils.getSubtypeIdFromHashCode( 3160 currentImi, currentSubtype.hashCode()); 3161 } 3162 } 3163 3164 final int N = imList.size(); 3165 mIms = new InputMethodInfo[N]; 3166 mSubtypeIds = new int[N]; 3167 int checkedItem = 0; 3168 for (int i = 0; i < N; ++i) { 3169 final ImeSubtypeListItem item = imList.get(i); 3170 mIms[i] = item.mImi; 3171 mSubtypeIds[i] = item.mSubtypeId; 3172 if (mIms[i].getId().equals(lastInputMethodId)) { 3173 int subtypeId = mSubtypeIds[i]; 3174 if ((subtypeId == NOT_A_SUBTYPE_ID) 3175 || (lastInputMethodSubtypeId == NOT_A_SUBTYPE_ID && subtypeId == 0) 3176 || (subtypeId == lastInputMethodSubtypeId)) { 3177 checkedItem = i; 3178 } 3179 } 3180 } 3181 3182 final Context settingsContext = new ContextThemeWrapper(context, 3183 com.android.internal.R.style.Theme_DeviceDefault_Settings); 3184 3185 mDialogBuilder = new AlertDialog.Builder(settingsContext); 3186 mDialogBuilder.setOnCancelListener(new OnCancelListener() { 3187 @Override 3188 public void onCancel(DialogInterface dialog) { 3189 hideInputMethodMenu(); 3190 } 3191 }); 3192 3193 final Context dialogContext = mDialogBuilder.getContext(); 3194 final TypedArray a = dialogContext.obtainStyledAttributes(null, 3195 com.android.internal.R.styleable.DialogPreference, 3196 com.android.internal.R.attr.alertDialogStyle, 0); 3197 final Drawable dialogIcon = a.getDrawable( 3198 com.android.internal.R.styleable.DialogPreference_dialogIcon); 3199 a.recycle(); 3200 3201 mDialogBuilder.setIcon(dialogIcon); 3202 3203 final LayoutInflater inflater = dialogContext.getSystemService(LayoutInflater.class); 3204 final View tv = inflater.inflate( 3205 com.android.internal.R.layout.input_method_switch_dialog_title, null); 3206 mDialogBuilder.setCustomTitle(tv); 3207 3208 // Setup layout for a toggle switch of the hardware keyboard 3209 mSwitchingDialogTitleView = tv; 3210 mSwitchingDialogTitleView 3211 .findViewById(com.android.internal.R.id.hard_keyboard_section) 3212 .setVisibility(mWindowManagerInternal.isHardKeyboardAvailable() 3213 ? View.VISIBLE : View.GONE); 3214 final Switch hardKeySwitch = (Switch) mSwitchingDialogTitleView.findViewById( 3215 com.android.internal.R.id.hard_keyboard_switch); 3216 hardKeySwitch.setChecked(mShowImeWithHardKeyboard); 3217 hardKeySwitch.setOnCheckedChangeListener(new OnCheckedChangeListener() { 3218 @Override 3219 public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) { 3220 mSettings.setShowImeWithHardKeyboard(isChecked); 3221 // Ensure that the input method dialog is dismissed when changing 3222 // the hardware keyboard state. 3223 hideInputMethodMenu(); 3224 } 3225 }); 3226 3227 final ImeSubtypeListAdapter adapter = new ImeSubtypeListAdapter(dialogContext, 3228 com.android.internal.R.layout.input_method_switch_item, imList, checkedItem); 3229 final OnClickListener choiceListener = new OnClickListener() { 3230 @Override 3231 public void onClick(final DialogInterface dialog, final int which) { 3232 synchronized (mMethodMap) { 3233 if (mIms == null || mIms.length <= which || mSubtypeIds == null 3234 || mSubtypeIds.length <= which) { 3235 return; 3236 } 3237 final InputMethodInfo im = mIms[which]; 3238 int subtypeId = mSubtypeIds[which]; 3239 adapter.mCheckedItem = which; 3240 adapter.notifyDataSetChanged(); 3241 hideInputMethodMenu(); 3242 if (im != null) { 3243 if (subtypeId < 0 || subtypeId >= im.getSubtypeCount()) { 3244 subtypeId = NOT_A_SUBTYPE_ID; 3245 } 3246 setInputMethodLocked(im.getId(), subtypeId); 3247 } 3248 } 3249 } 3250 }; 3251 mDialogBuilder.setSingleChoiceItems(adapter, checkedItem, choiceListener); 3252 3253 mSwitchingDialog = mDialogBuilder.create(); 3254 mSwitchingDialog.setCanceledOnTouchOutside(true); 3255 mSwitchingDialog.getWindow().setType( 3256 WindowManager.LayoutParams.TYPE_INPUT_METHOD_DIALOG); 3257 mSwitchingDialog.getWindow().getAttributes().privateFlags |= 3258 WindowManager.LayoutParams.PRIVATE_FLAG_SHOW_FOR_ALL_USERS; 3259 mSwitchingDialog.getWindow().getAttributes().setTitle("Select input method"); 3260 updateSystemUi(mCurToken, mImeWindowVis, mBackDisposition); 3261 mSwitchingDialog.show(); 3262 } 3263 } 3264 3265 private static class ImeSubtypeListAdapter extends ArrayAdapter<ImeSubtypeListItem> { 3266 private final LayoutInflater mInflater; 3267 private final int mTextViewResourceId; 3268 private final List<ImeSubtypeListItem> mItemsList; 3269 public int mCheckedItem; 3270 public ImeSubtypeListAdapter(Context context, int textViewResourceId, 3271 List<ImeSubtypeListItem> itemsList, int checkedItem) { 3272 super(context, textViewResourceId, itemsList); 3273 3274 mTextViewResourceId = textViewResourceId; 3275 mItemsList = itemsList; 3276 mCheckedItem = checkedItem; 3277 mInflater = context.getSystemService(LayoutInflater.class); 3278 } 3279 3280 @Override 3281 public View getView(int position, View convertView, ViewGroup parent) { 3282 final View view = convertView != null ? convertView 3283 : mInflater.inflate(mTextViewResourceId, null); 3284 if (position < 0 || position >= mItemsList.size()) return view; 3285 final ImeSubtypeListItem item = mItemsList.get(position); 3286 final CharSequence imeName = item.mImeName; 3287 final CharSequence subtypeName = item.mSubtypeName; 3288 final TextView firstTextView = (TextView)view.findViewById(android.R.id.text1); 3289 final TextView secondTextView = (TextView)view.findViewById(android.R.id.text2); 3290 if (TextUtils.isEmpty(subtypeName)) { 3291 firstTextView.setText(imeName); 3292 secondTextView.setVisibility(View.GONE); 3293 } else { 3294 firstTextView.setText(subtypeName); 3295 secondTextView.setText(imeName); 3296 secondTextView.setVisibility(View.VISIBLE); 3297 } 3298 final RadioButton radioButton = 3299 (RadioButton)view.findViewById(com.android.internal.R.id.radio); 3300 radioButton.setChecked(position == mCheckedItem); 3301 return view; 3302 } 3303 } 3304 3305 void hideInputMethodMenu() { 3306 synchronized (mMethodMap) { 3307 hideInputMethodMenuLocked(); 3308 } 3309 } 3310 3311 void hideInputMethodMenuLocked() { 3312 if (DEBUG) Slog.v(TAG, "Hide switching menu"); 3313 3314 if (mSwitchingDialog != null) { 3315 mSwitchingDialog.dismiss(); 3316 mSwitchingDialog = null; 3317 } 3318 3319 updateSystemUiLocked(mCurToken, mImeWindowVis, mBackDisposition); 3320 mDialogBuilder = null; 3321 mIms = null; 3322 } 3323 3324 // ---------------------------------------------------------------------- 3325 3326 @Override 3327 public boolean setInputMethodEnabled(String id, boolean enabled) { 3328 // TODO: Make this work even for non-current users? 3329 if (!calledFromValidUser()) { 3330 return false; 3331 } 3332 synchronized (mMethodMap) { 3333 if (mContext.checkCallingOrSelfPermission( 3334 android.Manifest.permission.WRITE_SECURE_SETTINGS) 3335 != PackageManager.PERMISSION_GRANTED) { 3336 throw new SecurityException( 3337 "Requires permission " 3338 + android.Manifest.permission.WRITE_SECURE_SETTINGS); 3339 } 3340 3341 long ident = Binder.clearCallingIdentity(); 3342 try { 3343 return setInputMethodEnabledLocked(id, enabled); 3344 } finally { 3345 Binder.restoreCallingIdentity(ident); 3346 } 3347 } 3348 } 3349 3350 boolean setInputMethodEnabledLocked(String id, boolean enabled) { 3351 // Make sure this is a valid input method. 3352 InputMethodInfo imm = mMethodMap.get(id); 3353 if (imm == null) { 3354 throw new IllegalArgumentException("Unknown id: " + mCurMethodId); 3355 } 3356 3357 List<Pair<String, ArrayList<String>>> enabledInputMethodsList = mSettings 3358 .getEnabledInputMethodsAndSubtypeListLocked(); 3359 3360 if (enabled) { 3361 for (Pair<String, ArrayList<String>> pair: enabledInputMethodsList) { 3362 if (pair.first.equals(id)) { 3363 // We are enabling this input method, but it is already enabled. 3364 // Nothing to do. The previous state was enabled. 3365 return true; 3366 } 3367 } 3368 mSettings.appendAndPutEnabledInputMethodLocked(id, false); 3369 // Previous state was disabled. 3370 return false; 3371 } else { 3372 StringBuilder builder = new StringBuilder(); 3373 if (mSettings.buildAndPutEnabledInputMethodsStrRemovingIdLocked( 3374 builder, enabledInputMethodsList, id)) { 3375 // Disabled input method is currently selected, switch to another one. 3376 final String selId = mSettings.getSelectedInputMethod(); 3377 if (id.equals(selId) && !chooseNewDefaultIMELocked()) { 3378 Slog.i(TAG, "Can't find new IME, unsetting the current input method."); 3379 resetSelectedInputMethodAndSubtypeLocked(""); 3380 } 3381 // Previous state was enabled. 3382 return true; 3383 } else { 3384 // We are disabling the input method but it is already disabled. 3385 // Nothing to do. The previous state was disabled. 3386 return false; 3387 } 3388 } 3389 } 3390 3391 private void setSelectedInputMethodAndSubtypeLocked(InputMethodInfo imi, int subtypeId, 3392 boolean setSubtypeOnly) { 3393 // Update the history of InputMethod and Subtype 3394 mSettings.saveCurrentInputMethodAndSubtypeToHistory(mCurMethodId, mCurrentSubtype); 3395 3396 mCurUserActionNotificationSequenceNumber = 3397 Math.max(mCurUserActionNotificationSequenceNumber + 1, 1); 3398 if (DEBUG) { 3399 Slog.d(TAG, "Bump mCurUserActionNotificationSequenceNumber:" 3400 + mCurUserActionNotificationSequenceNumber); 3401 } 3402 3403 if (mCurClient != null && mCurClient.client != null) { 3404 executeOrSendMessage(mCurClient.client, mCaller.obtainMessageIO( 3405 MSG_SET_USER_ACTION_NOTIFICATION_SEQUENCE_NUMBER, 3406 mCurUserActionNotificationSequenceNumber, mCurClient)); 3407 } 3408 3409 // Set Subtype here 3410 if (imi == null || subtypeId < 0) { 3411 mSettings.putSelectedSubtype(NOT_A_SUBTYPE_ID); 3412 mCurrentSubtype = null; 3413 } else { 3414 if (subtypeId < imi.getSubtypeCount()) { 3415 InputMethodSubtype subtype = imi.getSubtypeAt(subtypeId); 3416 mSettings.putSelectedSubtype(subtype.hashCode()); 3417 mCurrentSubtype = subtype; 3418 } else { 3419 mSettings.putSelectedSubtype(NOT_A_SUBTYPE_ID); 3420 // If the subtype is not specified, choose the most applicable one 3421 mCurrentSubtype = getCurrentInputMethodSubtypeLocked(); 3422 } 3423 } 3424 3425 if (!setSubtypeOnly) { 3426 // Set InputMethod here 3427 mSettings.putSelectedInputMethod(imi != null ? imi.getId() : ""); 3428 } 3429 } 3430 3431 private void resetSelectedInputMethodAndSubtypeLocked(String newDefaultIme) { 3432 InputMethodInfo imi = mMethodMap.get(newDefaultIme); 3433 int lastSubtypeId = NOT_A_SUBTYPE_ID; 3434 // newDefaultIme is empty when there is no candidate for the selected IME. 3435 if (imi != null && !TextUtils.isEmpty(newDefaultIme)) { 3436 String subtypeHashCode = mSettings.getLastSubtypeForInputMethodLocked(newDefaultIme); 3437 if (subtypeHashCode != null) { 3438 try { 3439 lastSubtypeId = InputMethodUtils.getSubtypeIdFromHashCode( 3440 imi, Integer.valueOf(subtypeHashCode)); 3441 } catch (NumberFormatException e) { 3442 Slog.w(TAG, "HashCode for subtype looks broken: " + subtypeHashCode, e); 3443 } 3444 } 3445 } 3446 setSelectedInputMethodAndSubtypeLocked(imi, lastSubtypeId, false); 3447 } 3448 3449 // If there are no selected shortcuts, tries finding the most applicable ones. 3450 private Pair<InputMethodInfo, InputMethodSubtype> 3451 findLastResortApplicableShortcutInputMethodAndSubtypeLocked(String mode) { 3452 List<InputMethodInfo> imis = mSettings.getEnabledInputMethodListLocked(); 3453 InputMethodInfo mostApplicableIMI = null; 3454 InputMethodSubtype mostApplicableSubtype = null; 3455 boolean foundInSystemIME = false; 3456 3457 // Search applicable subtype for each InputMethodInfo 3458 for (InputMethodInfo imi: imis) { 3459 final String imiId = imi.getId(); 3460 if (foundInSystemIME && !imiId.equals(mCurMethodId)) { 3461 continue; 3462 } 3463 InputMethodSubtype subtype = null; 3464 final List<InputMethodSubtype> enabledSubtypes = 3465 mSettings.getEnabledInputMethodSubtypeListLocked(mContext, imi, true); 3466 // 1. Search by the current subtype's locale from enabledSubtypes. 3467 if (mCurrentSubtype != null) { 3468 subtype = InputMethodUtils.findLastResortApplicableSubtypeLocked( 3469 mRes, enabledSubtypes, mode, mCurrentSubtype.getLocale(), false); 3470 } 3471 // 2. Search by the system locale from enabledSubtypes. 3472 // 3. Search the first enabled subtype matched with mode from enabledSubtypes. 3473 if (subtype == null) { 3474 subtype = InputMethodUtils.findLastResortApplicableSubtypeLocked( 3475 mRes, enabledSubtypes, mode, null, true); 3476 } 3477 final ArrayList<InputMethodSubtype> overridingImplicitlyEnabledSubtypes = 3478 InputMethodUtils.getOverridingImplicitlyEnabledSubtypes(imi, mode); 3479 final ArrayList<InputMethodSubtype> subtypesForSearch = 3480 overridingImplicitlyEnabledSubtypes.isEmpty() 3481 ? InputMethodUtils.getSubtypes(imi) 3482 : overridingImplicitlyEnabledSubtypes; 3483 // 4. Search by the current subtype's locale from all subtypes. 3484 if (subtype == null && mCurrentSubtype != null) { 3485 subtype = InputMethodUtils.findLastResortApplicableSubtypeLocked( 3486 mRes, subtypesForSearch, mode, mCurrentSubtype.getLocale(), false); 3487 } 3488 // 5. Search by the system locale from all subtypes. 3489 // 6. Search the first enabled subtype matched with mode from all subtypes. 3490 if (subtype == null) { 3491 subtype = InputMethodUtils.findLastResortApplicableSubtypeLocked( 3492 mRes, subtypesForSearch, mode, null, true); 3493 } 3494 if (subtype != null) { 3495 if (imiId.equals(mCurMethodId)) { 3496 // The current input method is the most applicable IME. 3497 mostApplicableIMI = imi; 3498 mostApplicableSubtype = subtype; 3499 break; 3500 } else if (!foundInSystemIME) { 3501 // The system input method is 2nd applicable IME. 3502 mostApplicableIMI = imi; 3503 mostApplicableSubtype = subtype; 3504 if ((imi.getServiceInfo().applicationInfo.flags 3505 & ApplicationInfo.FLAG_SYSTEM) != 0) { 3506 foundInSystemIME = true; 3507 } 3508 } 3509 } 3510 } 3511 if (DEBUG) { 3512 if (mostApplicableIMI != null) { 3513 Slog.w(TAG, "Most applicable shortcut input method was:" 3514 + mostApplicableIMI.getId()); 3515 if (mostApplicableSubtype != null) { 3516 Slog.w(TAG, "Most applicable shortcut input method subtype was:" 3517 + "," + mostApplicableSubtype.getMode() + "," 3518 + mostApplicableSubtype.getLocale()); 3519 } 3520 } 3521 } 3522 if (mostApplicableIMI != null) { 3523 return new Pair<> (mostApplicableIMI, mostApplicableSubtype); 3524 } else { 3525 return null; 3526 } 3527 } 3528 3529 /** 3530 * @return Return the current subtype of this input method. 3531 */ 3532 @Override 3533 public InputMethodSubtype getCurrentInputMethodSubtype() { 3534 // TODO: Make this work even for non-current users? 3535 if (!calledFromValidUser()) { 3536 return null; 3537 } 3538 synchronized (mMethodMap) { 3539 return getCurrentInputMethodSubtypeLocked(); 3540 } 3541 } 3542 3543 private InputMethodSubtype getCurrentInputMethodSubtypeLocked() { 3544 if (mCurMethodId == null) { 3545 return null; 3546 } 3547 final boolean subtypeIsSelected = mSettings.isSubtypeSelected(); 3548 final InputMethodInfo imi = mMethodMap.get(mCurMethodId); 3549 if (imi == null || imi.getSubtypeCount() == 0) { 3550 return null; 3551 } 3552 if (!subtypeIsSelected || mCurrentSubtype == null 3553 || !InputMethodUtils.isValidSubtypeId(imi, mCurrentSubtype.hashCode())) { 3554 int subtypeId = mSettings.getSelectedInputMethodSubtypeId(mCurMethodId); 3555 if (subtypeId == NOT_A_SUBTYPE_ID) { 3556 // If there are no selected subtypes, the framework will try to find 3557 // the most applicable subtype from explicitly or implicitly enabled 3558 // subtypes. 3559 List<InputMethodSubtype> explicitlyOrImplicitlyEnabledSubtypes = 3560 mSettings.getEnabledInputMethodSubtypeListLocked(mContext, imi, true); 3561 // If there is only one explicitly or implicitly enabled subtype, 3562 // just returns it. 3563 if (explicitlyOrImplicitlyEnabledSubtypes.size() == 1) { 3564 mCurrentSubtype = explicitlyOrImplicitlyEnabledSubtypes.get(0); 3565 } else if (explicitlyOrImplicitlyEnabledSubtypes.size() > 1) { 3566 mCurrentSubtype = InputMethodUtils.findLastResortApplicableSubtypeLocked( 3567 mRes, explicitlyOrImplicitlyEnabledSubtypes, 3568 InputMethodUtils.SUBTYPE_MODE_KEYBOARD, null, true); 3569 if (mCurrentSubtype == null) { 3570 mCurrentSubtype = InputMethodUtils.findLastResortApplicableSubtypeLocked( 3571 mRes, explicitlyOrImplicitlyEnabledSubtypes, null, null, 3572 true); 3573 } 3574 } 3575 } else { 3576 mCurrentSubtype = InputMethodUtils.getSubtypes(imi).get(subtypeId); 3577 } 3578 } 3579 return mCurrentSubtype; 3580 } 3581 3582 // TODO: We should change the return type from List to List<Parcelable> 3583 @SuppressWarnings("rawtypes") 3584 @Override 3585 public List getShortcutInputMethodsAndSubtypes() { 3586 synchronized (mMethodMap) { 3587 ArrayList<Object> ret = new ArrayList<>(); 3588 if (mShortcutInputMethodsAndSubtypes.size() == 0) { 3589 // If there are no selected shortcut subtypes, the framework will try to find 3590 // the most applicable subtype from all subtypes whose mode is 3591 // SUBTYPE_MODE_VOICE. This is an exceptional case, so we will hardcode the mode. 3592 Pair<InputMethodInfo, InputMethodSubtype> info = 3593 findLastResortApplicableShortcutInputMethodAndSubtypeLocked( 3594 InputMethodUtils.SUBTYPE_MODE_VOICE); 3595 if (info != null) { 3596 ret.add(info.first); 3597 ret.add(info.second); 3598 } 3599 return ret; 3600 } 3601 for (InputMethodInfo imi: mShortcutInputMethodsAndSubtypes.keySet()) { 3602 ret.add(imi); 3603 for (InputMethodSubtype subtype: mShortcutInputMethodsAndSubtypes.get(imi)) { 3604 ret.add(subtype); 3605 } 3606 } 3607 return ret; 3608 } 3609 } 3610 3611 @Override 3612 public boolean setCurrentInputMethodSubtype(InputMethodSubtype subtype) { 3613 // TODO: Make this work even for non-current users? 3614 if (!calledFromValidUser()) { 3615 return false; 3616 } 3617 synchronized (mMethodMap) { 3618 if (subtype != null && mCurMethodId != null) { 3619 InputMethodInfo imi = mMethodMap.get(mCurMethodId); 3620 int subtypeId = InputMethodUtils.getSubtypeIdFromHashCode(imi, subtype.hashCode()); 3621 if (subtypeId != NOT_A_SUBTYPE_ID) { 3622 setInputMethodLocked(mCurMethodId, subtypeId); 3623 return true; 3624 } 3625 } 3626 return false; 3627 } 3628 } 3629 3630 // TODO: Cache the state for each user and reset when the cached user is removed. 3631 private static class InputMethodFileManager { 3632 private static final String SYSTEM_PATH = "system"; 3633 private static final String INPUT_METHOD_PATH = "inputmethod"; 3634 private static final String ADDITIONAL_SUBTYPES_FILE_NAME = "subtypes.xml"; 3635 private static final String NODE_SUBTYPES = "subtypes"; 3636 private static final String NODE_SUBTYPE = "subtype"; 3637 private static final String NODE_IMI = "imi"; 3638 private static final String ATTR_ID = "id"; 3639 private static final String ATTR_LABEL = "label"; 3640 private static final String ATTR_ICON = "icon"; 3641 private static final String ATTR_IME_SUBTYPE_ID = "subtypeId"; 3642 private static final String ATTR_IME_SUBTYPE_LOCALE = "imeSubtypeLocale"; 3643 private static final String ATTR_IME_SUBTYPE_LANGUAGE_TAG = "languageTag"; 3644 private static final String ATTR_IME_SUBTYPE_MODE = "imeSubtypeMode"; 3645 private static final String ATTR_IME_SUBTYPE_EXTRA_VALUE = "imeSubtypeExtraValue"; 3646 private static final String ATTR_IS_AUXILIARY = "isAuxiliary"; 3647 private static final String ATTR_IS_ASCII_CAPABLE = "isAsciiCapable"; 3648 private final AtomicFile mAdditionalInputMethodSubtypeFile; 3649 private final HashMap<String, InputMethodInfo> mMethodMap; 3650 private final HashMap<String, List<InputMethodSubtype>> mAdditionalSubtypesMap = 3651 new HashMap<>(); 3652 public InputMethodFileManager(HashMap<String, InputMethodInfo> methodMap, int userId) { 3653 if (methodMap == null) { 3654 throw new NullPointerException("methodMap is null"); 3655 } 3656 mMethodMap = methodMap; 3657 final File systemDir = userId == UserHandle.USER_SYSTEM 3658 ? new File(Environment.getDataDirectory(), SYSTEM_PATH) 3659 : Environment.getUserSystemDirectory(userId); 3660 final File inputMethodDir = new File(systemDir, INPUT_METHOD_PATH); 3661 if (!inputMethodDir.exists() && !inputMethodDir.mkdirs()) { 3662 Slog.w(TAG, "Couldn't create dir.: " + inputMethodDir.getAbsolutePath()); 3663 } 3664 final File subtypeFile = new File(inputMethodDir, ADDITIONAL_SUBTYPES_FILE_NAME); 3665 mAdditionalInputMethodSubtypeFile = new AtomicFile(subtypeFile); 3666 if (!subtypeFile.exists()) { 3667 // If "subtypes.xml" doesn't exist, create a blank file. 3668 writeAdditionalInputMethodSubtypes( 3669 mAdditionalSubtypesMap, mAdditionalInputMethodSubtypeFile, methodMap); 3670 } else { 3671 readAdditionalInputMethodSubtypes( 3672 mAdditionalSubtypesMap, mAdditionalInputMethodSubtypeFile); 3673 } 3674 } 3675 3676 private void deleteAllInputMethodSubtypes(String imiId) { 3677 synchronized (mMethodMap) { 3678 mAdditionalSubtypesMap.remove(imiId); 3679 writeAdditionalInputMethodSubtypes( 3680 mAdditionalSubtypesMap, mAdditionalInputMethodSubtypeFile, mMethodMap); 3681 } 3682 } 3683 3684 public void addInputMethodSubtypes( 3685 InputMethodInfo imi, InputMethodSubtype[] additionalSubtypes) { 3686 synchronized (mMethodMap) { 3687 final ArrayList<InputMethodSubtype> subtypes = new ArrayList<>(); 3688 final int N = additionalSubtypes.length; 3689 for (int i = 0; i < N; ++i) { 3690 final InputMethodSubtype subtype = additionalSubtypes[i]; 3691 if (!subtypes.contains(subtype)) { 3692 subtypes.add(subtype); 3693 } else { 3694 Slog.w(TAG, "Duplicated subtype definition found: " 3695 + subtype.getLocale() + ", " + subtype.getMode()); 3696 } 3697 } 3698 mAdditionalSubtypesMap.put(imi.getId(), subtypes); 3699 writeAdditionalInputMethodSubtypes( 3700 mAdditionalSubtypesMap, mAdditionalInputMethodSubtypeFile, mMethodMap); 3701 } 3702 } 3703 3704 public HashMap<String, List<InputMethodSubtype>> getAllAdditionalInputMethodSubtypes() { 3705 synchronized (mMethodMap) { 3706 return mAdditionalSubtypesMap; 3707 } 3708 } 3709 3710 private static void writeAdditionalInputMethodSubtypes( 3711 HashMap<String, List<InputMethodSubtype>> allSubtypes, AtomicFile subtypesFile, 3712 HashMap<String, InputMethodInfo> methodMap) { 3713 // Safety net for the case that this function is called before methodMap is set. 3714 final boolean isSetMethodMap = methodMap != null && methodMap.size() > 0; 3715 FileOutputStream fos = null; 3716 try { 3717 fos = subtypesFile.startWrite(); 3718 final XmlSerializer out = new FastXmlSerializer(); 3719 out.setOutput(fos, StandardCharsets.UTF_8.name()); 3720 out.startDocument(null, true); 3721 out.setFeature("http://xmlpull.org/v1/doc/features.html#indent-output", true); 3722 out.startTag(null, NODE_SUBTYPES); 3723 for (String imiId : allSubtypes.keySet()) { 3724 if (isSetMethodMap && !methodMap.containsKey(imiId)) { 3725 Slog.w(TAG, "IME uninstalled or not valid.: " + imiId); 3726 continue; 3727 } 3728 out.startTag(null, NODE_IMI); 3729 out.attribute(null, ATTR_ID, imiId); 3730 final List<InputMethodSubtype> subtypesList = allSubtypes.get(imiId); 3731 final int N = subtypesList.size(); 3732 for (int i = 0; i < N; ++i) { 3733 final InputMethodSubtype subtype = subtypesList.get(i); 3734 out.startTag(null, NODE_SUBTYPE); 3735 if (subtype.hasSubtypeId()) { 3736 out.attribute(null, ATTR_IME_SUBTYPE_ID, 3737 String.valueOf(subtype.getSubtypeId())); 3738 } 3739 out.attribute(null, ATTR_ICON, String.valueOf(subtype.getIconResId())); 3740 out.attribute(null, ATTR_LABEL, String.valueOf(subtype.getNameResId())); 3741 out.attribute(null, ATTR_IME_SUBTYPE_LOCALE, subtype.getLocale()); 3742 out.attribute(null, ATTR_IME_SUBTYPE_LANGUAGE_TAG, 3743 subtype.getLanguageTag()); 3744 out.attribute(null, ATTR_IME_SUBTYPE_MODE, subtype.getMode()); 3745 out.attribute(null, ATTR_IME_SUBTYPE_EXTRA_VALUE, subtype.getExtraValue()); 3746 out.attribute(null, ATTR_IS_AUXILIARY, 3747 String.valueOf(subtype.isAuxiliary() ? 1 : 0)); 3748 out.attribute(null, ATTR_IS_ASCII_CAPABLE, 3749 String.valueOf(subtype.isAsciiCapable() ? 1 : 0)); 3750 out.endTag(null, NODE_SUBTYPE); 3751 } 3752 out.endTag(null, NODE_IMI); 3753 } 3754 out.endTag(null, NODE_SUBTYPES); 3755 out.endDocument(); 3756 subtypesFile.finishWrite(fos); 3757 } catch (java.io.IOException e) { 3758 Slog.w(TAG, "Error writing subtypes", e); 3759 if (fos != null) { 3760 subtypesFile.failWrite(fos); 3761 } 3762 } 3763 } 3764 3765 private static void readAdditionalInputMethodSubtypes( 3766 HashMap<String, List<InputMethodSubtype>> allSubtypes, AtomicFile subtypesFile) { 3767 if (allSubtypes == null || subtypesFile == null) return; 3768 allSubtypes.clear(); 3769 try (final FileInputStream fis = subtypesFile.openRead()) { 3770 final XmlPullParser parser = Xml.newPullParser(); 3771 parser.setInput(fis, StandardCharsets.UTF_8.name()); 3772 int type = parser.getEventType(); 3773 // Skip parsing until START_TAG 3774 while ((type = parser.next()) != XmlPullParser.START_TAG 3775 && type != XmlPullParser.END_DOCUMENT) {} 3776 String firstNodeName = parser.getName(); 3777 if (!NODE_SUBTYPES.equals(firstNodeName)) { 3778 throw new XmlPullParserException("Xml doesn't start with subtypes"); 3779 } 3780 final int depth =parser.getDepth(); 3781 String currentImiId = null; 3782 ArrayList<InputMethodSubtype> tempSubtypesArray = null; 3783 while (((type = parser.next()) != XmlPullParser.END_TAG 3784 || parser.getDepth() > depth) && type != XmlPullParser.END_DOCUMENT) { 3785 if (type != XmlPullParser.START_TAG) 3786 continue; 3787 final String nodeName = parser.getName(); 3788 if (NODE_IMI.equals(nodeName)) { 3789 currentImiId = parser.getAttributeValue(null, ATTR_ID); 3790 if (TextUtils.isEmpty(currentImiId)) { 3791 Slog.w(TAG, "Invalid imi id found in subtypes.xml"); 3792 continue; 3793 } 3794 tempSubtypesArray = new ArrayList<>(); 3795 allSubtypes.put(currentImiId, tempSubtypesArray); 3796 } else if (NODE_SUBTYPE.equals(nodeName)) { 3797 if (TextUtils.isEmpty(currentImiId) || tempSubtypesArray == null) { 3798 Slog.w(TAG, "IME uninstalled or not valid.: " + currentImiId); 3799 continue; 3800 } 3801 final int icon = Integer.valueOf( 3802 parser.getAttributeValue(null, ATTR_ICON)); 3803 final int label = Integer.valueOf( 3804 parser.getAttributeValue(null, ATTR_LABEL)); 3805 final String imeSubtypeLocale = 3806 parser.getAttributeValue(null, ATTR_IME_SUBTYPE_LOCALE); 3807 final String languageTag = 3808 parser.getAttributeValue(null, ATTR_IME_SUBTYPE_LANGUAGE_TAG); 3809 final String imeSubtypeMode = 3810 parser.getAttributeValue(null, ATTR_IME_SUBTYPE_MODE); 3811 final String imeSubtypeExtraValue = 3812 parser.getAttributeValue(null, ATTR_IME_SUBTYPE_EXTRA_VALUE); 3813 final boolean isAuxiliary = "1".equals(String.valueOf( 3814 parser.getAttributeValue(null, ATTR_IS_AUXILIARY))); 3815 final boolean isAsciiCapable = "1".equals(String.valueOf( 3816 parser.getAttributeValue(null, ATTR_IS_ASCII_CAPABLE))); 3817 final InputMethodSubtypeBuilder builder = new InputMethodSubtypeBuilder() 3818 .setSubtypeNameResId(label) 3819 .setSubtypeIconResId(icon) 3820 .setSubtypeLocale(imeSubtypeLocale) 3821 .setLanguageTag(languageTag) 3822 .setSubtypeMode(imeSubtypeMode) 3823 .setSubtypeExtraValue(imeSubtypeExtraValue) 3824 .setIsAuxiliary(isAuxiliary) 3825 .setIsAsciiCapable(isAsciiCapable); 3826 final String subtypeIdString = 3827 parser.getAttributeValue(null, ATTR_IME_SUBTYPE_ID); 3828 if (subtypeIdString != null) { 3829 builder.setSubtypeId(Integer.valueOf(subtypeIdString)); 3830 } 3831 tempSubtypesArray.add(builder.build()); 3832 } 3833 } 3834 } catch (XmlPullParserException | IOException | NumberFormatException e) { 3835 Slog.w(TAG, "Error reading subtypes", e); 3836 return; 3837 } 3838 } 3839 } 3840 3841 private static final class LocalServiceImpl implements InputMethodManagerInternal { 3842 @NonNull 3843 private final Handler mHandler; 3844 3845 LocalServiceImpl(@NonNull final Handler handler) { 3846 mHandler = handler; 3847 } 3848 3849 @Override 3850 public void setInteractive(boolean interactive) { 3851 // Do everything in handler so as not to block the caller. 3852 mHandler.sendMessage(mHandler.obtainMessage(MSG_SET_INTERACTIVE, 3853 interactive ? 1 : 0, 0)); 3854 } 3855 3856 @Override 3857 public void switchInputMethod(boolean forwardDirection) { 3858 // Do everything in handler so as not to block the caller. 3859 mHandler.sendMessage(mHandler.obtainMessage(MSG_SWITCH_IME, 3860 forwardDirection ? 1 : 0, 0)); 3861 } 3862 } 3863 3864 private static String imeWindowStatusToString(final int imeWindowVis) { 3865 final StringBuilder sb = new StringBuilder(); 3866 boolean first = true; 3867 if ((imeWindowVis & InputMethodService.IME_ACTIVE) != 0) { 3868 sb.append("Active"); 3869 first = false; 3870 } 3871 if ((imeWindowVis & InputMethodService.IME_VISIBLE) != 0) { 3872 if (!first) { 3873 sb.append("|"); 3874 } 3875 sb.append("Visible"); 3876 } 3877 return sb.toString(); 3878 } 3879 3880 @Override 3881 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 3882 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 3883 != PackageManager.PERMISSION_GRANTED) { 3884 3885 pw.println("Permission Denial: can't dump InputMethodManager from from pid=" 3886 + Binder.getCallingPid() 3887 + ", uid=" + Binder.getCallingUid()); 3888 return; 3889 } 3890 3891 IInputMethod method; 3892 ClientState client; 3893 ClientState focusedWindowClient; 3894 3895 final Printer p = new PrintWriterPrinter(pw); 3896 3897 synchronized (mMethodMap) { 3898 p.println("Current Input Method Manager state:"); 3899 int N = mMethodList.size(); 3900 p.println(" Input Methods:"); 3901 for (int i=0; i<N; i++) { 3902 InputMethodInfo info = mMethodList.get(i); 3903 p.println(" InputMethod #" + i + ":"); 3904 info.dump(p, " "); 3905 } 3906 p.println(" Clients:"); 3907 for (ClientState ci : mClients.values()) { 3908 p.println(" Client " + ci + ":"); 3909 p.println(" client=" + ci.client); 3910 p.println(" inputContext=" + ci.inputContext); 3911 p.println(" sessionRequested=" + ci.sessionRequested); 3912 p.println(" curSession=" + ci.curSession); 3913 } 3914 p.println(" mCurMethodId=" + mCurMethodId); 3915 client = mCurClient; 3916 p.println(" mCurClient=" + client + " mCurSeq=" + mCurSeq); 3917 p.println(" mCurFocusedWindow=" + mCurFocusedWindow); 3918 focusedWindowClient = mCurFocusedWindowClient; 3919 p.println(" mCurFocusedWindowClient=" + focusedWindowClient); 3920 p.println(" mCurId=" + mCurId + " mHaveConnect=" + mHaveConnection 3921 + " mBoundToMethod=" + mBoundToMethod); 3922 p.println(" mCurToken=" + mCurToken); 3923 p.println(" mCurIntent=" + mCurIntent); 3924 method = mCurMethod; 3925 p.println(" mCurMethod=" + mCurMethod); 3926 p.println(" mEnabledSession=" + mEnabledSession); 3927 p.println(" mImeWindowVis=" + imeWindowStatusToString(mImeWindowVis)); 3928 p.println(" mShowRequested=" + mShowRequested 3929 + " mShowExplicitlyRequested=" + mShowExplicitlyRequested 3930 + " mShowForced=" + mShowForced 3931 + " mInputShown=" + mInputShown); 3932 p.println(" mCurUserActionNotificationSequenceNumber=" 3933 + mCurUserActionNotificationSequenceNumber); 3934 p.println(" mSystemReady=" + mSystemReady + " mInteractive=" + mIsInteractive); 3935 p.println(" mSettingsObserver=" + mSettingsObserver); 3936 p.println(" mSwitchingController:"); 3937 mSwitchingController.dump(p); 3938 p.println(" mSettings:"); 3939 mSettings.dumpLocked(p, " "); 3940 } 3941 3942 p.println(" "); 3943 if (client != null) { 3944 pw.flush(); 3945 try { 3946 client.client.asBinder().dump(fd, args); 3947 } catch (RemoteException e) { 3948 p.println("Input method client dead: " + e); 3949 } 3950 } else { 3951 p.println("No input method client."); 3952 } 3953 3954 if (focusedWindowClient != null && client != focusedWindowClient) { 3955 p.println(" "); 3956 p.println("Warning: Current input method client doesn't match the last focused. " 3957 + "window."); 3958 p.println("Dumping input method client in the last focused window just in case."); 3959 p.println(" "); 3960 pw.flush(); 3961 try { 3962 focusedWindowClient.client.asBinder().dump(fd, args); 3963 } catch (RemoteException e) { 3964 p.println("Input method client in focused window dead: " + e); 3965 } 3966 } 3967 3968 p.println(" "); 3969 if (method != null) { 3970 pw.flush(); 3971 try { 3972 method.asBinder().dump(fd, args); 3973 } catch (RemoteException e) { 3974 p.println("Input method service dead: " + e); 3975 } 3976 } else { 3977 p.println("No input method service."); 3978 } 3979 } 3980} 3981