InputMethodManagerService.java revision a6e41342e2159402e33866e7145be357065d9c9a
1/* 2 * 3 * Licensed under the Apache License, Version 2.0 (the "License"); you may not 4 * use this file except in compliance with the License. You may obtain a copy of 5 * the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT 11 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the 12 * License for the specific language governing permissions and limitations under 13 * the License. 14 */ 15 16package com.android.server; 17 18import com.android.internal.content.PackageMonitor; 19import com.android.internal.os.AtomicFile; 20import com.android.internal.os.HandlerCaller; 21import com.android.internal.util.FastXmlSerializer; 22import com.android.internal.view.IInputContext; 23import com.android.internal.view.IInputMethod; 24import com.android.internal.view.IInputMethodCallback; 25import com.android.internal.view.IInputMethodClient; 26import com.android.internal.view.IInputMethodManager; 27import com.android.internal.view.IInputMethodSession; 28import com.android.internal.view.InputBindResult; 29import com.android.server.EventLogTags; 30import com.android.server.wm.WindowManagerService; 31 32import org.xmlpull.v1.XmlPullParser; 33import org.xmlpull.v1.XmlPullParserException; 34import org.xmlpull.v1.XmlSerializer; 35 36import android.app.ActivityManagerNative; 37import android.app.AlertDialog; 38import android.app.KeyguardManager; 39import android.app.Notification; 40import android.app.NotificationManager; 41import android.app.PendingIntent; 42import android.content.BroadcastReceiver; 43import android.content.ComponentName; 44import android.content.ContentResolver; 45import android.content.Context; 46import android.content.DialogInterface; 47import android.content.DialogInterface.OnCancelListener; 48import android.content.Intent; 49import android.content.IntentFilter; 50import android.content.ServiceConnection; 51import android.content.pm.ApplicationInfo; 52import android.content.pm.PackageManager; 53import android.content.pm.PackageManager.NameNotFoundException; 54import android.content.pm.ResolveInfo; 55import android.content.pm.ServiceInfo; 56import android.content.res.Configuration; 57import android.content.res.Resources; 58import android.content.res.TypedArray; 59import android.database.ContentObserver; 60import android.inputmethodservice.InputMethodService; 61import android.os.Binder; 62import android.os.Environment; 63import android.os.Handler; 64import android.os.IBinder; 65import android.os.IInterface; 66import android.os.Message; 67import android.os.Parcel; 68import android.os.RemoteException; 69import android.os.ResultReceiver; 70import android.os.ServiceManager; 71import android.os.SystemClock; 72import android.provider.Settings; 73import android.provider.Settings.Secure; 74import android.provider.Settings.SettingNotFoundException; 75import android.text.TextUtils; 76import android.text.style.SuggestionSpan; 77import android.util.EventLog; 78import android.util.LruCache; 79import android.util.Pair; 80import android.util.PrintWriterPrinter; 81import android.util.Printer; 82import android.util.Slog; 83import android.util.Xml; 84import android.view.IWindowManager; 85import android.view.LayoutInflater; 86import android.view.View; 87import android.view.ViewGroup; 88import android.view.WindowManager; 89import android.view.inputmethod.EditorInfo; 90import android.view.inputmethod.InputBinding; 91import android.view.inputmethod.InputMethod; 92import android.view.inputmethod.InputMethodInfo; 93import android.view.inputmethod.InputMethodManager; 94import android.view.inputmethod.InputMethodSubtype; 95import android.widget.ArrayAdapter; 96import android.widget.CompoundButton; 97import android.widget.CompoundButton.OnCheckedChangeListener; 98import android.widget.RadioButton; 99import android.widget.Switch; 100import android.widget.TextView; 101 102import java.io.File; 103import java.io.FileDescriptor; 104import java.io.FileInputStream; 105import java.io.FileOutputStream; 106import java.io.IOException; 107import java.io.PrintWriter; 108import java.util.ArrayList; 109import java.util.Collections; 110import java.util.Comparator; 111import java.util.HashMap; 112import java.util.HashSet; 113import java.util.List; 114import java.util.Locale; 115import java.util.TreeMap; 116 117/** 118 * This class provides a system service that manages input methods. 119 */ 120public class InputMethodManagerService extends IInputMethodManager.Stub 121 implements ServiceConnection, Handler.Callback { 122 static final boolean DEBUG = false; 123 static final String TAG = "InputMethodManagerService"; 124 125 static final int MSG_SHOW_IM_PICKER = 1; 126 static final int MSG_SHOW_IM_SUBTYPE_PICKER = 2; 127 static final int MSG_SHOW_IM_SUBTYPE_ENABLER = 3; 128 static final int MSG_SHOW_IM_CONFIG = 4; 129 130 static final int MSG_UNBIND_INPUT = 1000; 131 static final int MSG_BIND_INPUT = 1010; 132 static final int MSG_SHOW_SOFT_INPUT = 1020; 133 static final int MSG_HIDE_SOFT_INPUT = 1030; 134 static final int MSG_ATTACH_TOKEN = 1040; 135 static final int MSG_CREATE_SESSION = 1050; 136 137 static final int MSG_START_INPUT = 2000; 138 static final int MSG_RESTART_INPUT = 2010; 139 140 static final int MSG_UNBIND_METHOD = 3000; 141 static final int MSG_BIND_METHOD = 3010; 142 static final int MSG_SET_ACTIVE = 3020; 143 144 static final int MSG_HARD_KEYBOARD_SWITCH_CHANGED = 4000; 145 146 static final long TIME_TO_RECONNECT = 10*1000; 147 148 static final int SECURE_SUGGESTION_SPANS_MAX_SIZE = 20; 149 150 private static final int NOT_A_SUBTYPE_ID = -1; 151 private static final String NOT_A_SUBTYPE_ID_STR = String.valueOf(NOT_A_SUBTYPE_ID); 152 private static final String SUBTYPE_MODE_KEYBOARD = "keyboard"; 153 private static final String SUBTYPE_MODE_VOICE = "voice"; 154 private static final String TAG_TRY_SUPPRESSING_IME_SWITCHER = "TrySuppressingImeSwitcher"; 155 private static final String TAG_ENABLED_WHEN_DEFAULT_IS_NOT_ASCII_CAPABLE = 156 "EnabledWhenDefaultIsNotAsciiCapable"; 157 private static final String TAG_ASCII_CAPABLE = "AsciiCapable"; 158 private static final Locale ENGLISH_LOCALE = new Locale("en"); 159 160 final Context mContext; 161 final Resources mRes; 162 final Handler mHandler; 163 final InputMethodSettings mSettings; 164 final SettingsObserver mSettingsObserver; 165 final IWindowManager mIWindowManager; 166 final HandlerCaller mCaller; 167 private final InputMethodFileManager mFileManager; 168 private final InputMethodAndSubtypeListManager mImListManager; 169 private final HardKeyboardListener mHardKeyboardListener; 170 private final WindowManagerService mWindowManagerService; 171 172 final InputBindResult mNoBinding = new InputBindResult(null, null, -1); 173 174 // All known input methods. mMethodMap also serves as the global 175 // lock for this class. 176 final ArrayList<InputMethodInfo> mMethodList = new ArrayList<InputMethodInfo>(); 177 final HashMap<String, InputMethodInfo> mMethodMap = new HashMap<String, InputMethodInfo>(); 178 private final LruCache<SuggestionSpan, InputMethodInfo> mSecureSuggestionSpans = 179 new LruCache<SuggestionSpan, InputMethodInfo>(SECURE_SUGGESTION_SPANS_MAX_SIZE); 180 181 // Used to bring IME service up to visible adjustment while it is being shown. 182 final ServiceConnection mVisibleConnection = new ServiceConnection() { 183 @Override public void onServiceConnected(ComponentName name, IBinder service) { 184 } 185 186 @Override public void onServiceDisconnected(ComponentName name) { 187 } 188 }; 189 boolean mVisibleBound = false; 190 191 // Ongoing notification 192 private NotificationManager mNotificationManager; 193 private KeyguardManager mKeyguardManager; 194 private StatusBarManagerService mStatusBar; 195 private Notification mImeSwitcherNotification; 196 private PendingIntent mImeSwitchPendingIntent; 197 private boolean mShowOngoingImeSwitcherForPhones; 198 private boolean mNotificationShown; 199 private final boolean mImeSelectedOnBoot; 200 201 class SessionState { 202 final ClientState client; 203 final IInputMethod method; 204 final IInputMethodSession session; 205 206 @Override 207 public String toString() { 208 return "SessionState{uid " + client.uid + " pid " + client.pid 209 + " method " + Integer.toHexString( 210 System.identityHashCode(method)) 211 + " session " + Integer.toHexString( 212 System.identityHashCode(session)) 213 + "}"; 214 } 215 216 SessionState(ClientState _client, IInputMethod _method, 217 IInputMethodSession _session) { 218 client = _client; 219 method = _method; 220 session = _session; 221 } 222 } 223 224 class ClientState { 225 final IInputMethodClient client; 226 final IInputContext inputContext; 227 final int uid; 228 final int pid; 229 final InputBinding binding; 230 231 boolean sessionRequested; 232 SessionState curSession; 233 234 @Override 235 public String toString() { 236 return "ClientState{" + Integer.toHexString( 237 System.identityHashCode(this)) + " uid " + uid 238 + " pid " + pid + "}"; 239 } 240 241 ClientState(IInputMethodClient _client, IInputContext _inputContext, 242 int _uid, int _pid) { 243 client = _client; 244 inputContext = _inputContext; 245 uid = _uid; 246 pid = _pid; 247 binding = new InputBinding(null, inputContext.asBinder(), uid, pid); 248 } 249 } 250 251 final HashMap<IBinder, ClientState> mClients 252 = new HashMap<IBinder, ClientState>(); 253 254 /** 255 * Set once the system is ready to run third party code. 256 */ 257 boolean mSystemReady; 258 259 /** 260 * Id of the currently selected input method. 261 */ 262 String mCurMethodId; 263 264 /** 265 * The current binding sequence number, incremented every time there is 266 * a new bind performed. 267 */ 268 int mCurSeq; 269 270 /** 271 * The client that is currently bound to an input method. 272 */ 273 ClientState mCurClient; 274 275 /** 276 * The last window token that gained focus. 277 */ 278 IBinder mCurFocusedWindow; 279 280 /** 281 * The input context last provided by the current client. 282 */ 283 IInputContext mCurInputContext; 284 285 /** 286 * The attributes last provided by the current client. 287 */ 288 EditorInfo mCurAttribute; 289 290 /** 291 * The input method ID of the input method service that we are currently 292 * connected to or in the process of connecting to. 293 */ 294 String mCurId; 295 296 /** 297 * The current subtype of the current input method. 298 */ 299 private InputMethodSubtype mCurrentSubtype; 300 301 // This list contains the pairs of InputMethodInfo and InputMethodSubtype. 302 private final HashMap<InputMethodInfo, ArrayList<InputMethodSubtype>> 303 mShortcutInputMethodsAndSubtypes = 304 new HashMap<InputMethodInfo, ArrayList<InputMethodSubtype>>(); 305 306 /** 307 * Set to true if our ServiceConnection is currently actively bound to 308 * a service (whether or not we have gotten its IBinder back yet). 309 */ 310 boolean mHaveConnection; 311 312 /** 313 * Set if the client has asked for the input method to be shown. 314 */ 315 boolean mShowRequested; 316 317 /** 318 * Set if we were explicitly told to show the input method. 319 */ 320 boolean mShowExplicitlyRequested; 321 322 /** 323 * Set if we were forced to be shown. 324 */ 325 boolean mShowForced; 326 327 /** 328 * Set if we last told the input method to show itself. 329 */ 330 boolean mInputShown; 331 332 /** 333 * The Intent used to connect to the current input method. 334 */ 335 Intent mCurIntent; 336 337 /** 338 * The token we have made for the currently active input method, to 339 * identify it in the future. 340 */ 341 IBinder mCurToken; 342 343 /** 344 * If non-null, this is the input method service we are currently connected 345 * to. 346 */ 347 IInputMethod mCurMethod; 348 349 /** 350 * Time that we last initiated a bind to the input method, to determine 351 * if we should try to disconnect and reconnect to it. 352 */ 353 long mLastBindTime; 354 355 /** 356 * Have we called mCurMethod.bindInput()? 357 */ 358 boolean mBoundToMethod; 359 360 /** 361 * Currently enabled session. Only touched by service thread, not 362 * protected by a lock. 363 */ 364 SessionState mEnabledSession; 365 366 /** 367 * True if the screen is on. The value is true initially. 368 */ 369 boolean mScreenOn = true; 370 371 int mBackDisposition = InputMethodService.BACK_DISPOSITION_DEFAULT; 372 int mImeWindowVis; 373 374 private AlertDialog.Builder mDialogBuilder; 375 private AlertDialog mSwitchingDialog; 376 private View mSwitchingDialogTitleView; 377 private InputMethodInfo[] mIms; 378 private int[] mSubtypeIds; 379 private Locale mLastSystemLocale; 380 381 class SettingsObserver extends ContentObserver { 382 SettingsObserver(Handler handler) { 383 super(handler); 384 ContentResolver resolver = mContext.getContentResolver(); 385 resolver.registerContentObserver(Settings.Secure.getUriFor( 386 Settings.Secure.DEFAULT_INPUT_METHOD), false, this); 387 resolver.registerContentObserver(Settings.Secure.getUriFor( 388 Settings.Secure.ENABLED_INPUT_METHODS), false, this); 389 resolver.registerContentObserver(Settings.Secure.getUriFor( 390 Settings.Secure.SELECTED_INPUT_METHOD_SUBTYPE), false, this); 391 } 392 393 @Override public void onChange(boolean selfChange) { 394 synchronized (mMethodMap) { 395 updateFromSettingsLocked(); 396 } 397 } 398 } 399 400 class ScreenOnOffReceiver extends android.content.BroadcastReceiver { 401 @Override 402 public void onReceive(Context context, Intent intent) { 403 if (intent.getAction().equals(Intent.ACTION_SCREEN_ON)) { 404 mScreenOn = true; 405 refreshImeWindowVisibilityLocked(); 406 } else if (intent.getAction().equals(Intent.ACTION_SCREEN_OFF)) { 407 mScreenOn = false; 408 setImeWindowVisibilityStatusHiddenLocked(); 409 } else if (intent.getAction().equals(Intent.ACTION_CLOSE_SYSTEM_DIALOGS)) { 410 hideInputMethodMenu(); 411 return; 412 } else { 413 Slog.w(TAG, "Unexpected intent " + intent); 414 } 415 416 // Inform the current client of the change in active status 417 if (mCurClient != null && mCurClient.client != null) { 418 executeOrSendMessage(mCurClient.client, mCaller.obtainMessageIO( 419 MSG_SET_ACTIVE, mScreenOn ? 1 : 0, mCurClient)); 420 } 421 } 422 } 423 424 class MyPackageMonitor extends PackageMonitor { 425 426 @Override 427 public boolean onHandleForceStop(Intent intent, String[] packages, int uid, boolean doit) { 428 synchronized (mMethodMap) { 429 String curInputMethodId = Settings.Secure.getString(mContext 430 .getContentResolver(), Settings.Secure.DEFAULT_INPUT_METHOD); 431 final int N = mMethodList.size(); 432 if (curInputMethodId != null) { 433 for (int i=0; i<N; i++) { 434 InputMethodInfo imi = mMethodList.get(i); 435 if (imi.getId().equals(curInputMethodId)) { 436 for (String pkg : packages) { 437 if (imi.getPackageName().equals(pkg)) { 438 if (!doit) { 439 return true; 440 } 441 resetSelectedInputMethodAndSubtypeLocked(""); 442 chooseNewDefaultIMELocked(); 443 return true; 444 } 445 } 446 } 447 } 448 } 449 } 450 return false; 451 } 452 453 @Override 454 public void onSomePackagesChanged() { 455 synchronized (mMethodMap) { 456 InputMethodInfo curIm = null; 457 String curInputMethodId = Settings.Secure.getString(mContext 458 .getContentResolver(), Settings.Secure.DEFAULT_INPUT_METHOD); 459 final int N = mMethodList.size(); 460 if (curInputMethodId != null) { 461 for (int i=0; i<N; i++) { 462 InputMethodInfo imi = mMethodList.get(i); 463 final String imiId = imi.getId(); 464 if (imiId.equals(curInputMethodId)) { 465 curIm = imi; 466 } 467 468 int change = isPackageDisappearing(imi.getPackageName()); 469 if (isPackageModified(imi.getPackageName())) { 470 mFileManager.deleteAllInputMethodSubtypes(imiId); 471 } 472 if (change == PACKAGE_TEMPORARY_CHANGE 473 || change == PACKAGE_PERMANENT_CHANGE) { 474 Slog.i(TAG, "Input method uninstalled, disabling: " 475 + imi.getComponent()); 476 setInputMethodEnabledLocked(imi.getId(), false); 477 } 478 } 479 } 480 481 buildInputMethodListLocked(mMethodList, mMethodMap); 482 483 boolean changed = false; 484 485 if (curIm != null) { 486 int change = isPackageDisappearing(curIm.getPackageName()); 487 if (change == PACKAGE_TEMPORARY_CHANGE 488 || change == PACKAGE_PERMANENT_CHANGE) { 489 ServiceInfo si = null; 490 try { 491 si = mContext.getPackageManager().getServiceInfo( 492 curIm.getComponent(), 0); 493 } catch (PackageManager.NameNotFoundException ex) { 494 } 495 if (si == null) { 496 // Uh oh, current input method is no longer around! 497 // Pick another one... 498 Slog.i(TAG, "Current input method removed: " + curInputMethodId); 499 setImeWindowVisibilityStatusHiddenLocked(); 500 if (!chooseNewDefaultIMELocked()) { 501 changed = true; 502 curIm = null; 503 Slog.i(TAG, "Unsetting current input method"); 504 resetSelectedInputMethodAndSubtypeLocked(""); 505 } 506 } 507 } 508 } 509 510 if (curIm == null) { 511 // We currently don't have a default input method... is 512 // one now available? 513 changed = chooseNewDefaultIMELocked(); 514 } 515 516 if (changed) { 517 updateFromSettingsLocked(); 518 } 519 } 520 } 521 } 522 523 private static class MethodCallback extends IInputMethodCallback.Stub { 524 private final IInputMethod mMethod; 525 private final InputMethodManagerService mParentIMMS; 526 527 MethodCallback(final IInputMethod method, final InputMethodManagerService imms) { 528 mMethod = method; 529 mParentIMMS = imms; 530 } 531 532 @Override 533 public void finishedEvent(int seq, boolean handled) throws RemoteException { 534 } 535 536 @Override 537 public void sessionCreated(IInputMethodSession session) throws RemoteException { 538 mParentIMMS.onSessionCreated(mMethod, session); 539 } 540 } 541 542 private class HardKeyboardListener 543 implements WindowManagerService.OnHardKeyboardStatusChangeListener { 544 @Override 545 public void onHardKeyboardStatusChange(boolean available, boolean enabled) { 546 mHandler.sendMessage(mHandler.obtainMessage( 547 MSG_HARD_KEYBOARD_SWITCH_CHANGED, available ? 1 : 0, enabled ? 1 : 0)); 548 } 549 550 public void handleHardKeyboardStatusChange(boolean available, boolean enabled) { 551 if (DEBUG) { 552 Slog.w(TAG, "HardKeyboardStatusChanged: available = " + available + ", enabled = " 553 + enabled); 554 } 555 synchronized(mMethodMap) { 556 if (mSwitchingDialog != null && mSwitchingDialogTitleView != null 557 && mSwitchingDialog.isShowing()) { 558 mSwitchingDialogTitleView.findViewById( 559 com.android.internal.R.id.hard_keyboard_section).setVisibility( 560 available ? View.VISIBLE : View.GONE); 561 } 562 } 563 } 564 } 565 566 public InputMethodManagerService(Context context, WindowManagerService windowManager) { 567 mContext = context; 568 mRes = context.getResources(); 569 mHandler = new Handler(this); 570 mIWindowManager = IWindowManager.Stub.asInterface( 571 ServiceManager.getService(Context.WINDOW_SERVICE)); 572 mCaller = new HandlerCaller(context, new HandlerCaller.Callback() { 573 @Override 574 public void executeMessage(Message msg) { 575 handleMessage(msg); 576 } 577 }); 578 mWindowManagerService = windowManager; 579 mHardKeyboardListener = new HardKeyboardListener(); 580 581 mImeSwitcherNotification = new Notification(); 582 mImeSwitcherNotification.icon = com.android.internal.R.drawable.ic_notification_ime_default; 583 mImeSwitcherNotification.when = 0; 584 mImeSwitcherNotification.flags = Notification.FLAG_ONGOING_EVENT; 585 mImeSwitcherNotification.tickerText = null; 586 mImeSwitcherNotification.defaults = 0; // please be quiet 587 mImeSwitcherNotification.sound = null; 588 mImeSwitcherNotification.vibrate = null; 589 Intent intent = new Intent(Settings.ACTION_SHOW_INPUT_METHOD_PICKER); 590 mImeSwitchPendingIntent = PendingIntent.getBroadcast(mContext, 0, intent, 0); 591 592 mShowOngoingImeSwitcherForPhones = false; 593 594 synchronized (mMethodMap) { 595 mFileManager = new InputMethodFileManager(mMethodMap); 596 } 597 mImListManager = new InputMethodAndSubtypeListManager(context, this); 598 599 (new MyPackageMonitor()).register(mContext, null, true); 600 601 IntentFilter screenOnOffFilt = new IntentFilter(); 602 screenOnOffFilt.addAction(Intent.ACTION_SCREEN_ON); 603 screenOnOffFilt.addAction(Intent.ACTION_SCREEN_OFF); 604 screenOnOffFilt.addAction(Intent.ACTION_CLOSE_SYSTEM_DIALOGS); 605 mContext.registerReceiver(new ScreenOnOffReceiver(), screenOnOffFilt); 606 607 mNotificationShown = false; 608 609 // mSettings should be created before buildInputMethodListLocked 610 mSettings = new InputMethodSettings( 611 mRes, context.getContentResolver(), mMethodMap, mMethodList); 612 613 // Just checking if defaultImiId is empty or not 614 final String defaultImiId = Settings.Secure.getString( 615 mContext.getContentResolver(), Settings.Secure.DEFAULT_INPUT_METHOD); 616 mImeSelectedOnBoot = !TextUtils.isEmpty(defaultImiId); 617 618 buildInputMethodListLocked(mMethodList, mMethodMap); 619 mSettings.enableAllIMEsIfThereIsNoEnabledIME(); 620 621 if (!mImeSelectedOnBoot) { 622 Slog.w(TAG, "No IME selected. Choose the most applicable IME."); 623 resetDefaultImeLocked(context); 624 } 625 626 mSettingsObserver = new SettingsObserver(mHandler); 627 updateFromSettingsLocked(); 628 629 // IMMS wants to receive Intent.ACTION_LOCALE_CHANGED in order to update the current IME 630 // according to the new system locale. 631 final IntentFilter filter = new IntentFilter(); 632 filter.addAction(Intent.ACTION_LOCALE_CHANGED); 633 mContext.registerReceiver( 634 new BroadcastReceiver() { 635 @Override 636 public void onReceive(Context context, Intent intent) { 637 synchronized(mMethodMap) { 638 checkCurrentLocaleChangedLocked(); 639 } 640 } 641 }, filter); 642 } 643 644 private void checkCurrentLocaleChangedLocked() { 645 if (!mSystemReady) { 646 // not system ready 647 return; 648 } 649 final Locale newLocale = mRes.getConfiguration().locale; 650 if (newLocale != null && !newLocale.equals(mLastSystemLocale)) { 651 if (DEBUG) { 652 Slog.i(TAG, "Locale has been changed to " + newLocale); 653 } 654 buildInputMethodListLocked(mMethodList, mMethodMap); 655 // Reset the current ime to the proper one 656 resetDefaultImeLocked(mContext); 657 updateFromSettingsLocked(); 658 mLastSystemLocale = newLocale; 659 } 660 } 661 662 private void resetDefaultImeLocked(Context context) { 663 // Do not reset the default (current) IME when it is a 3rd-party IME 664 if (mCurMethodId != null && !isSystemIme(mMethodMap.get(mCurMethodId))) { 665 return; 666 } 667 668 InputMethodInfo defIm = null; 669 for (InputMethodInfo imi : mMethodList) { 670 if (defIm == null) { 671 if (isValidSystemDefaultIme(imi, context)) { 672 defIm = imi; 673 Slog.i(TAG, "Selected default: " + imi.getId()); 674 } 675 } 676 } 677 if (defIm == null && mMethodList.size() > 0) { 678 defIm = getMostApplicableDefaultIMELocked(); 679 Slog.i(TAG, "No default found, using " + defIm.getId()); 680 } 681 if (defIm != null) { 682 setSelectedInputMethodAndSubtypeLocked(defIm, NOT_A_SUBTYPE_ID, false); 683 } 684 } 685 686 private boolean isValidSystemDefaultIme(InputMethodInfo imi, Context context) { 687 if (!mSystemReady) { 688 return false; 689 } 690 if (!isSystemIme(imi)) { 691 return false; 692 } 693 if (imi.getIsDefaultResourceId() != 0) { 694 try { 695 Resources res = context.createPackageContext( 696 imi.getPackageName(), 0).getResources(); 697 if (res.getBoolean(imi.getIsDefaultResourceId()) 698 && containsSubtypeOf(imi, context.getResources().getConfiguration(). 699 locale.getLanguage())) { 700 return true; 701 } 702 } catch (PackageManager.NameNotFoundException ex) { 703 } catch (Resources.NotFoundException ex) { 704 } 705 } 706 if (imi.getSubtypeCount() == 0) { 707 Slog.w(TAG, "Found no subtypes in a system IME: " + imi.getPackageName()); 708 } 709 return false; 710 } 711 712 private static boolean isSystemImeThatHasEnglishSubtype(InputMethodInfo imi) { 713 if (!isSystemIme(imi)) { 714 return false; 715 } 716 return containsSubtypeOf(imi, ENGLISH_LOCALE.getLanguage()); 717 } 718 719 private static boolean containsSubtypeOf(InputMethodInfo imi, String language) { 720 final int N = imi.getSubtypeCount(); 721 for (int i = 0; i < N; ++i) { 722 if (imi.getSubtypeAt(i).getLocale().startsWith(language)) { 723 return true; 724 } 725 } 726 return false; 727 } 728 729 @Override 730 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 731 throws RemoteException { 732 try { 733 return super.onTransact(code, data, reply, flags); 734 } catch (RuntimeException e) { 735 // The input method manager only throws security exceptions, so let's 736 // log all others. 737 if (!(e instanceof SecurityException)) { 738 Slog.e(TAG, "Input Method Manager Crash", e); 739 } 740 throw e; 741 } 742 } 743 744 public void systemReady(StatusBarManagerService statusBar) { 745 synchronized (mMethodMap) { 746 if (!mSystemReady) { 747 mSystemReady = true; 748 mKeyguardManager = (KeyguardManager) 749 mContext.getSystemService(Context.KEYGUARD_SERVICE); 750 mNotificationManager = (NotificationManager) 751 mContext.getSystemService(Context.NOTIFICATION_SERVICE); 752 mStatusBar = statusBar; 753 statusBar.setIconVisibility("ime", false); 754 updateImeWindowStatusLocked(); 755 mShowOngoingImeSwitcherForPhones = mRes.getBoolean( 756 com.android.internal.R.bool.show_ongoing_ime_switcher); 757 if (mShowOngoingImeSwitcherForPhones) { 758 mWindowManagerService.setOnHardKeyboardStatusChangeListener( 759 mHardKeyboardListener); 760 } 761 buildInputMethodListLocked(mMethodList, mMethodMap); 762 if (!mImeSelectedOnBoot) { 763 Slog.w(TAG, "Reset the default IME as \"Resource\" is ready here."); 764 checkCurrentLocaleChangedLocked(); 765 } 766 mLastSystemLocale = mRes.getConfiguration().locale; 767 try { 768 startInputInnerLocked(); 769 } catch (RuntimeException e) { 770 Slog.w(TAG, "Unexpected exception", e); 771 } 772 } 773 } 774 } 775 776 private void setImeWindowVisibilityStatusHiddenLocked() { 777 mImeWindowVis = 0; 778 updateImeWindowStatusLocked(); 779 } 780 781 private void refreshImeWindowVisibilityLocked() { 782 final Configuration conf = mRes.getConfiguration(); 783 final boolean haveHardKeyboard = conf.keyboard 784 != Configuration.KEYBOARD_NOKEYS; 785 final boolean hardKeyShown = haveHardKeyboard 786 && conf.hardKeyboardHidden 787 != Configuration.HARDKEYBOARDHIDDEN_YES; 788 final boolean isScreenLocked = mKeyguardManager != null 789 && mKeyguardManager.isKeyguardLocked() 790 && mKeyguardManager.isKeyguardSecure(); 791 mImeWindowVis = (!isScreenLocked && (mInputShown || hardKeyShown)) ? 792 (InputMethodService.IME_ACTIVE | InputMethodService.IME_VISIBLE) : 0; 793 updateImeWindowStatusLocked(); 794 } 795 796 private void updateImeWindowStatusLocked() { 797 setImeWindowStatus(mCurToken, mImeWindowVis, mBackDisposition); 798 } 799 800 @Override 801 public List<InputMethodInfo> getInputMethodList() { 802 synchronized (mMethodMap) { 803 return new ArrayList<InputMethodInfo>(mMethodList); 804 } 805 } 806 807 @Override 808 public List<InputMethodInfo> getEnabledInputMethodList() { 809 synchronized (mMethodMap) { 810 return mSettings.getEnabledInputMethodListLocked(); 811 } 812 } 813 814 private HashMap<InputMethodInfo, List<InputMethodSubtype>> 815 getExplicitlyOrImplicitlyEnabledInputMethodsAndSubtypeListLocked() { 816 HashMap<InputMethodInfo, List<InputMethodSubtype>> enabledInputMethodAndSubtypes = 817 new HashMap<InputMethodInfo, List<InputMethodSubtype>>(); 818 for (InputMethodInfo imi: getEnabledInputMethodList()) { 819 enabledInputMethodAndSubtypes.put( 820 imi, getEnabledInputMethodSubtypeListLocked(imi, true)); 821 } 822 return enabledInputMethodAndSubtypes; 823 } 824 825 public List<InputMethodSubtype> getEnabledInputMethodSubtypeListLocked(InputMethodInfo imi, 826 boolean allowsImplicitlySelectedSubtypes) { 827 if (imi == null && mCurMethodId != null) { 828 imi = mMethodMap.get(mCurMethodId); 829 } 830 List<InputMethodSubtype> enabledSubtypes = 831 mSettings.getEnabledInputMethodSubtypeListLocked(imi); 832 if (allowsImplicitlySelectedSubtypes && enabledSubtypes.isEmpty()) { 833 enabledSubtypes = getImplicitlyApplicableSubtypesLocked(mRes, imi); 834 } 835 return InputMethodSubtype.sort(mContext, 0, imi, enabledSubtypes); 836 } 837 838 @Override 839 public List<InputMethodSubtype> getEnabledInputMethodSubtypeList(InputMethodInfo imi, 840 boolean allowsImplicitlySelectedSubtypes) { 841 synchronized (mMethodMap) { 842 return getEnabledInputMethodSubtypeListLocked(imi, allowsImplicitlySelectedSubtypes); 843 } 844 } 845 846 @Override 847 public void addClient(IInputMethodClient client, 848 IInputContext inputContext, int uid, int pid) { 849 synchronized (mMethodMap) { 850 mClients.put(client.asBinder(), new ClientState(client, 851 inputContext, uid, pid)); 852 } 853 } 854 855 @Override 856 public void removeClient(IInputMethodClient client) { 857 synchronized (mMethodMap) { 858 mClients.remove(client.asBinder()); 859 } 860 } 861 862 void executeOrSendMessage(IInterface target, Message msg) { 863 if (target.asBinder() instanceof Binder) { 864 mCaller.sendMessage(msg); 865 } else { 866 handleMessage(msg); 867 msg.recycle(); 868 } 869 } 870 871 void unbindCurrentClientLocked() { 872 if (mCurClient != null) { 873 if (DEBUG) Slog.v(TAG, "unbindCurrentInputLocked: client = " 874 + mCurClient.client.asBinder()); 875 if (mBoundToMethod) { 876 mBoundToMethod = false; 877 if (mCurMethod != null) { 878 executeOrSendMessage(mCurMethod, mCaller.obtainMessageO( 879 MSG_UNBIND_INPUT, mCurMethod)); 880 } 881 } 882 883 executeOrSendMessage(mCurClient.client, mCaller.obtainMessageIO( 884 MSG_SET_ACTIVE, 0, mCurClient)); 885 executeOrSendMessage(mCurClient.client, mCaller.obtainMessageIO( 886 MSG_UNBIND_METHOD, mCurSeq, mCurClient.client)); 887 mCurClient.sessionRequested = false; 888 mCurClient = null; 889 890 hideInputMethodMenuLocked(); 891 } 892 } 893 894 private int getImeShowFlags() { 895 int flags = 0; 896 if (mShowForced) { 897 flags |= InputMethod.SHOW_FORCED 898 | InputMethod.SHOW_EXPLICIT; 899 } else if (mShowExplicitlyRequested) { 900 flags |= InputMethod.SHOW_EXPLICIT; 901 } 902 return flags; 903 } 904 905 private int getAppShowFlags() { 906 int flags = 0; 907 if (mShowForced) { 908 flags |= InputMethodManager.SHOW_FORCED; 909 } else if (!mShowExplicitlyRequested) { 910 flags |= InputMethodManager.SHOW_IMPLICIT; 911 } 912 return flags; 913 } 914 915 InputBindResult attachNewInputLocked(boolean initial) { 916 if (!mBoundToMethod) { 917 executeOrSendMessage(mCurMethod, mCaller.obtainMessageOO( 918 MSG_BIND_INPUT, mCurMethod, mCurClient.binding)); 919 mBoundToMethod = true; 920 } 921 final SessionState session = mCurClient.curSession; 922 if (initial) { 923 executeOrSendMessage(session.method, mCaller.obtainMessageOOO( 924 MSG_START_INPUT, session, mCurInputContext, mCurAttribute)); 925 } else { 926 executeOrSendMessage(session.method, mCaller.obtainMessageOOO( 927 MSG_RESTART_INPUT, session, mCurInputContext, mCurAttribute)); 928 } 929 if (mShowRequested) { 930 if (DEBUG) Slog.v(TAG, "Attach new input asks to show input"); 931 showCurrentInputLocked(getAppShowFlags(), null); 932 } 933 return new InputBindResult(session.session, mCurId, mCurSeq); 934 } 935 936 InputBindResult startInputLocked(IInputMethodClient client, 937 IInputContext inputContext, EditorInfo attribute, int controlFlags) { 938 // If no method is currently selected, do nothing. 939 if (mCurMethodId == null) { 940 return mNoBinding; 941 } 942 943 ClientState cs = mClients.get(client.asBinder()); 944 if (cs == null) { 945 throw new IllegalArgumentException("unknown client " 946 + client.asBinder()); 947 } 948 949 try { 950 if (!mIWindowManager.inputMethodClientHasFocus(cs.client)) { 951 // Check with the window manager to make sure this client actually 952 // has a window with focus. If not, reject. This is thread safe 953 // because if the focus changes some time before or after, the 954 // next client receiving focus that has any interest in input will 955 // be calling through here after that change happens. 956 Slog.w(TAG, "Starting input on non-focused client " + cs.client 957 + " (uid=" + cs.uid + " pid=" + cs.pid + ")"); 958 return null; 959 } 960 } catch (RemoteException e) { 961 } 962 963 return startInputUncheckedLocked(cs, inputContext, attribute, controlFlags); 964 } 965 966 InputBindResult startInputUncheckedLocked(ClientState cs, 967 IInputContext inputContext, EditorInfo attribute, int controlFlags) { 968 // If no method is currently selected, do nothing. 969 if (mCurMethodId == null) { 970 return mNoBinding; 971 } 972 973 if (mCurClient != cs) { 974 // If the client is changing, we need to switch over to the new 975 // one. 976 unbindCurrentClientLocked(); 977 if (DEBUG) Slog.v(TAG, "switching to client: client = " 978 + cs.client.asBinder()); 979 980 // If the screen is on, inform the new client it is active 981 if (mScreenOn) { 982 executeOrSendMessage(cs.client, mCaller.obtainMessageIO( 983 MSG_SET_ACTIVE, mScreenOn ? 1 : 0, cs)); 984 } 985 } 986 987 // Bump up the sequence for this client and attach it. 988 mCurSeq++; 989 if (mCurSeq <= 0) mCurSeq = 1; 990 mCurClient = cs; 991 mCurInputContext = inputContext; 992 mCurAttribute = attribute; 993 994 // Check if the input method is changing. 995 if (mCurId != null && mCurId.equals(mCurMethodId)) { 996 if (cs.curSession != null) { 997 // Fast case: if we are already connected to the input method, 998 // then just return it. 999 return attachNewInputLocked( 1000 (controlFlags&InputMethodManager.CONTROL_START_INITIAL) != 0); 1001 } 1002 if (mHaveConnection) { 1003 if (mCurMethod != null) { 1004 if (!cs.sessionRequested) { 1005 cs.sessionRequested = true; 1006 if (DEBUG) Slog.v(TAG, "Creating new session for client " + cs); 1007 executeOrSendMessage(mCurMethod, mCaller.obtainMessageOO( 1008 MSG_CREATE_SESSION, mCurMethod, 1009 new MethodCallback(mCurMethod, this))); 1010 } 1011 // Return to client, and we will get back with it when 1012 // we have had a session made for it. 1013 return new InputBindResult(null, mCurId, mCurSeq); 1014 } else if (SystemClock.uptimeMillis() 1015 < (mLastBindTime+TIME_TO_RECONNECT)) { 1016 // In this case we have connected to the service, but 1017 // don't yet have its interface. If it hasn't been too 1018 // long since we did the connection, we'll return to 1019 // the client and wait to get the service interface so 1020 // we can report back. If it has been too long, we want 1021 // to fall through so we can try a disconnect/reconnect 1022 // to see if we can get back in touch with the service. 1023 return new InputBindResult(null, mCurId, mCurSeq); 1024 } else { 1025 EventLog.writeEvent(EventLogTags.IMF_FORCE_RECONNECT_IME, 1026 mCurMethodId, SystemClock.uptimeMillis()-mLastBindTime, 0); 1027 } 1028 } 1029 } 1030 1031 return startInputInnerLocked(); 1032 } 1033 1034 InputBindResult startInputInnerLocked() { 1035 if (mCurMethodId == null) { 1036 return mNoBinding; 1037 } 1038 1039 if (!mSystemReady) { 1040 // If the system is not yet ready, we shouldn't be running third 1041 // party code. 1042 return new InputBindResult(null, mCurMethodId, mCurSeq); 1043 } 1044 1045 InputMethodInfo info = mMethodMap.get(mCurMethodId); 1046 if (info == null) { 1047 throw new IllegalArgumentException("Unknown id: " + mCurMethodId); 1048 } 1049 1050 unbindCurrentMethodLocked(false); 1051 1052 mCurIntent = new Intent(InputMethod.SERVICE_INTERFACE); 1053 mCurIntent.setComponent(info.getComponent()); 1054 mCurIntent.putExtra(Intent.EXTRA_CLIENT_LABEL, 1055 com.android.internal.R.string.input_method_binding_label); 1056 mCurIntent.putExtra(Intent.EXTRA_CLIENT_INTENT, PendingIntent.getActivity( 1057 mContext, 0, new Intent(Settings.ACTION_INPUT_METHOD_SETTINGS), 0)); 1058 if (mContext.bindService(mCurIntent, this, Context.BIND_AUTO_CREATE 1059 | Context.BIND_NOT_VISIBLE)) { 1060 mLastBindTime = SystemClock.uptimeMillis(); 1061 mHaveConnection = true; 1062 mCurId = info.getId(); 1063 mCurToken = new Binder(); 1064 try { 1065 if (DEBUG) Slog.v(TAG, "Adding window token: " + mCurToken); 1066 mIWindowManager.addWindowToken(mCurToken, 1067 WindowManager.LayoutParams.TYPE_INPUT_METHOD); 1068 } catch (RemoteException e) { 1069 } 1070 return new InputBindResult(null, mCurId, mCurSeq); 1071 } else { 1072 mCurIntent = null; 1073 Slog.w(TAG, "Failure connecting to input method service: " 1074 + mCurIntent); 1075 } 1076 return null; 1077 } 1078 1079 @Override 1080 public InputBindResult startInput(IInputMethodClient client, 1081 IInputContext inputContext, EditorInfo attribute, int controlFlags) { 1082 synchronized (mMethodMap) { 1083 final long ident = Binder.clearCallingIdentity(); 1084 try { 1085 return startInputLocked(client, inputContext, attribute, controlFlags); 1086 } finally { 1087 Binder.restoreCallingIdentity(ident); 1088 } 1089 } 1090 } 1091 1092 @Override 1093 public void finishInput(IInputMethodClient client) { 1094 } 1095 1096 @Override 1097 public void onServiceConnected(ComponentName name, IBinder service) { 1098 synchronized (mMethodMap) { 1099 if (mCurIntent != null && name.equals(mCurIntent.getComponent())) { 1100 mCurMethod = IInputMethod.Stub.asInterface(service); 1101 if (mCurToken == null) { 1102 Slog.w(TAG, "Service connected without a token!"); 1103 unbindCurrentMethodLocked(false); 1104 return; 1105 } 1106 if (DEBUG) Slog.v(TAG, "Initiating attach with token: " + mCurToken); 1107 executeOrSendMessage(mCurMethod, mCaller.obtainMessageOO( 1108 MSG_ATTACH_TOKEN, mCurMethod, mCurToken)); 1109 if (mCurClient != null) { 1110 if (DEBUG) Slog.v(TAG, "Creating first session while with client " 1111 + mCurClient); 1112 executeOrSendMessage(mCurMethod, mCaller.obtainMessageOO( 1113 MSG_CREATE_SESSION, mCurMethod, 1114 new MethodCallback(mCurMethod, this))); 1115 } 1116 } 1117 } 1118 } 1119 1120 void onSessionCreated(IInputMethod method, IInputMethodSession session) { 1121 synchronized (mMethodMap) { 1122 if (mCurMethod != null && method != null 1123 && mCurMethod.asBinder() == method.asBinder()) { 1124 if (mCurClient != null) { 1125 mCurClient.curSession = new SessionState(mCurClient, 1126 method, session); 1127 mCurClient.sessionRequested = false; 1128 InputBindResult res = attachNewInputLocked(true); 1129 if (res.method != null) { 1130 executeOrSendMessage(mCurClient.client, mCaller.obtainMessageOO( 1131 MSG_BIND_METHOD, mCurClient.client, res)); 1132 } 1133 } 1134 } 1135 } 1136 } 1137 1138 void unbindCurrentMethodLocked(boolean reportToClient) { 1139 if (mVisibleBound) { 1140 mContext.unbindService(mVisibleConnection); 1141 mVisibleBound = false; 1142 } 1143 1144 if (mHaveConnection) { 1145 mContext.unbindService(this); 1146 mHaveConnection = false; 1147 } 1148 1149 if (mCurToken != null) { 1150 try { 1151 if (DEBUG) Slog.v(TAG, "Removing window token: " + mCurToken); 1152 if ((mImeWindowVis & InputMethodService.IME_ACTIVE) != 0) { 1153 // The current IME is shown. Hence an IME switch (transition) is happening. 1154 mWindowManagerService.saveLastInputMethodWindowForTransition(); 1155 } 1156 mIWindowManager.removeWindowToken(mCurToken); 1157 } catch (RemoteException e) { 1158 } 1159 mCurToken = null; 1160 } 1161 1162 mCurId = null; 1163 clearCurMethodLocked(); 1164 1165 if (reportToClient && mCurClient != null) { 1166 executeOrSendMessage(mCurClient.client, mCaller.obtainMessageIO( 1167 MSG_UNBIND_METHOD, mCurSeq, mCurClient.client)); 1168 } 1169 } 1170 1171 private void finishSession(SessionState sessionState) { 1172 if (sessionState != null && sessionState.session != null) { 1173 try { 1174 sessionState.session.finishSession(); 1175 } catch (RemoteException e) { 1176 Slog.w(TAG, "Session failed to close due to remote exception", e); 1177 setImeWindowVisibilityStatusHiddenLocked(); 1178 } 1179 } 1180 } 1181 1182 void clearCurMethodLocked() { 1183 if (mCurMethod != null) { 1184 for (ClientState cs : mClients.values()) { 1185 cs.sessionRequested = false; 1186 finishSession(cs.curSession); 1187 cs.curSession = null; 1188 } 1189 1190 finishSession(mEnabledSession); 1191 mEnabledSession = null; 1192 mCurMethod = null; 1193 } 1194 if (mStatusBar != null) { 1195 mStatusBar.setIconVisibility("ime", false); 1196 } 1197 } 1198 1199 @Override 1200 public void onServiceDisconnected(ComponentName name) { 1201 synchronized (mMethodMap) { 1202 if (DEBUG) Slog.v(TAG, "Service disconnected: " + name 1203 + " mCurIntent=" + mCurIntent); 1204 if (mCurMethod != null && mCurIntent != null 1205 && name.equals(mCurIntent.getComponent())) { 1206 clearCurMethodLocked(); 1207 // We consider this to be a new bind attempt, since the system 1208 // should now try to restart the service for us. 1209 mLastBindTime = SystemClock.uptimeMillis(); 1210 mShowRequested = mInputShown; 1211 mInputShown = false; 1212 if (mCurClient != null) { 1213 executeOrSendMessage(mCurClient.client, mCaller.obtainMessageIO( 1214 MSG_UNBIND_METHOD, mCurSeq, mCurClient.client)); 1215 } 1216 } 1217 } 1218 } 1219 1220 @Override 1221 public void updateStatusIcon(IBinder token, String packageName, int iconId) { 1222 int uid = Binder.getCallingUid(); 1223 long ident = Binder.clearCallingIdentity(); 1224 try { 1225 if (token == null || mCurToken != token) { 1226 Slog.w(TAG, "Ignoring setInputMethod of uid " + uid + " token: " + token); 1227 return; 1228 } 1229 1230 synchronized (mMethodMap) { 1231 if (iconId == 0) { 1232 if (DEBUG) Slog.d(TAG, "hide the small icon for the input method"); 1233 if (mStatusBar != null) { 1234 mStatusBar.setIconVisibility("ime", false); 1235 } 1236 } else if (packageName != null) { 1237 if (DEBUG) Slog.d(TAG, "show a small icon for the input method"); 1238 CharSequence contentDescription = null; 1239 try { 1240 PackageManager packageManager = mContext.getPackageManager(); 1241 contentDescription = packageManager.getApplicationLabel( 1242 packageManager.getApplicationInfo(packageName, 0)); 1243 } catch (NameNotFoundException nnfe) { 1244 /* ignore */ 1245 } 1246 if (mStatusBar != null) { 1247 mStatusBar.setIcon("ime", packageName, iconId, 0, 1248 contentDescription != null 1249 ? contentDescription.toString() : null); 1250 mStatusBar.setIconVisibility("ime", true); 1251 } 1252 } 1253 } 1254 } finally { 1255 Binder.restoreCallingIdentity(ident); 1256 } 1257 } 1258 1259 private boolean needsToShowImeSwitchOngoingNotification() { 1260 if (!mShowOngoingImeSwitcherForPhones) return false; 1261 if (isScreenLocked()) return false; 1262 synchronized (mMethodMap) { 1263 List<InputMethodInfo> imis = mSettings.getEnabledInputMethodListLocked(); 1264 final int N = imis.size(); 1265 if (N > 2) return true; 1266 if (N < 1) return false; 1267 int nonAuxCount = 0; 1268 int auxCount = 0; 1269 InputMethodSubtype nonAuxSubtype = null; 1270 InputMethodSubtype auxSubtype = null; 1271 for(int i = 0; i < N; ++i) { 1272 final InputMethodInfo imi = imis.get(i); 1273 final List<InputMethodSubtype> subtypes = getEnabledInputMethodSubtypeListLocked( 1274 imi, true); 1275 final int subtypeCount = subtypes.size(); 1276 if (subtypeCount == 0) { 1277 ++nonAuxCount; 1278 } else { 1279 for (int j = 0; j < subtypeCount; ++j) { 1280 final InputMethodSubtype subtype = subtypes.get(j); 1281 if (!subtype.isAuxiliary()) { 1282 ++nonAuxCount; 1283 nonAuxSubtype = subtype; 1284 } else { 1285 ++auxCount; 1286 auxSubtype = subtype; 1287 } 1288 } 1289 } 1290 } 1291 if (nonAuxCount > 1 || auxCount > 1) { 1292 return true; 1293 } else if (nonAuxCount == 1 && auxCount == 1) { 1294 if (nonAuxSubtype != null && auxSubtype != null 1295 && (nonAuxSubtype.getLocale().equals(auxSubtype.getLocale()) 1296 || auxSubtype.overridesImplicitlyEnabledSubtype() 1297 || nonAuxSubtype.overridesImplicitlyEnabledSubtype()) 1298 && nonAuxSubtype.containsExtraValueKey(TAG_TRY_SUPPRESSING_IME_SWITCHER)) { 1299 return false; 1300 } 1301 return true; 1302 } 1303 return false; 1304 } 1305 } 1306 1307 @SuppressWarnings("deprecation") 1308 @Override 1309 public void setImeWindowStatus(IBinder token, int vis, int backDisposition) { 1310 int uid = Binder.getCallingUid(); 1311 long ident = Binder.clearCallingIdentity(); 1312 try { 1313 if (token == null || mCurToken != token) { 1314 Slog.w(TAG, "Ignoring setImeWindowStatus of uid " + uid + " token: " + token); 1315 return; 1316 } 1317 1318 synchronized (mMethodMap) { 1319 mImeWindowVis = vis; 1320 mBackDisposition = backDisposition; 1321 if (mStatusBar != null) { 1322 mStatusBar.setImeWindowStatus(token, vis, backDisposition); 1323 } 1324 final boolean iconVisibility = (vis & InputMethodService.IME_ACTIVE) != 0; 1325 final InputMethodInfo imi = mMethodMap.get(mCurMethodId); 1326 if (imi != null && iconVisibility && needsToShowImeSwitchOngoingNotification()) { 1327 final PackageManager pm = mContext.getPackageManager(); 1328 final CharSequence title = mRes.getText( 1329 com.android.internal.R.string.select_input_method); 1330 final CharSequence imiLabel = imi.loadLabel(pm); 1331 final CharSequence summary = mCurrentSubtype != null 1332 ? TextUtils.concat(mCurrentSubtype.getDisplayName(mContext, 1333 imi.getPackageName(), imi.getServiceInfo().applicationInfo), 1334 (TextUtils.isEmpty(imiLabel) ? 1335 "" : " - " + imiLabel)) 1336 : imiLabel; 1337 1338 mImeSwitcherNotification.setLatestEventInfo( 1339 mContext, title, summary, mImeSwitchPendingIntent); 1340 if (mNotificationManager != null) { 1341 mNotificationManager.notify( 1342 com.android.internal.R.string.select_input_method, 1343 mImeSwitcherNotification); 1344 mNotificationShown = true; 1345 } 1346 } else { 1347 if (mNotificationShown && mNotificationManager != null) { 1348 mNotificationManager.cancel( 1349 com.android.internal.R.string.select_input_method); 1350 mNotificationShown = false; 1351 } 1352 } 1353 } 1354 } finally { 1355 Binder.restoreCallingIdentity(ident); 1356 } 1357 } 1358 1359 @Override 1360 public void registerSuggestionSpansForNotification(SuggestionSpan[] spans) { 1361 synchronized (mMethodMap) { 1362 final InputMethodInfo currentImi = mMethodMap.get(mCurMethodId); 1363 for (int i = 0; i < spans.length; ++i) { 1364 SuggestionSpan ss = spans[i]; 1365 if (!TextUtils.isEmpty(ss.getNotificationTargetClassName())) { 1366 mSecureSuggestionSpans.put(ss, currentImi); 1367 final InputMethodInfo targetImi = mSecureSuggestionSpans.get(ss); 1368 } 1369 } 1370 } 1371 } 1372 1373 @Override 1374 public boolean notifySuggestionPicked(SuggestionSpan span, String originalString, int index) { 1375 synchronized (mMethodMap) { 1376 final InputMethodInfo targetImi = mSecureSuggestionSpans.get(span); 1377 // TODO: Do not send the intent if the process of the targetImi is already dead. 1378 if (targetImi != null) { 1379 final String[] suggestions = span.getSuggestions(); 1380 if (index < 0 || index >= suggestions.length) return false; 1381 final String className = span.getNotificationTargetClassName(); 1382 final Intent intent = new Intent(); 1383 // Ensures that only a class in the original IME package will receive the 1384 // notification. 1385 intent.setClassName(targetImi.getPackageName(), className); 1386 intent.setAction(SuggestionSpan.ACTION_SUGGESTION_PICKED); 1387 intent.putExtra(SuggestionSpan.SUGGESTION_SPAN_PICKED_BEFORE, originalString); 1388 intent.putExtra(SuggestionSpan.SUGGESTION_SPAN_PICKED_AFTER, suggestions[index]); 1389 intent.putExtra(SuggestionSpan.SUGGESTION_SPAN_PICKED_HASHCODE, span.hashCode()); 1390 mContext.sendBroadcast(intent); 1391 return true; 1392 } 1393 } 1394 return false; 1395 } 1396 1397 void updateFromSettingsLocked() { 1398 // We are assuming that whoever is changing DEFAULT_INPUT_METHOD and 1399 // ENABLED_INPUT_METHODS is taking care of keeping them correctly in 1400 // sync, so we will never have a DEFAULT_INPUT_METHOD that is not 1401 // enabled. 1402 String id = Settings.Secure.getString(mContext.getContentResolver(), 1403 Settings.Secure.DEFAULT_INPUT_METHOD); 1404 // There is no input method selected, try to choose new applicable input method. 1405 if (TextUtils.isEmpty(id) && chooseNewDefaultIMELocked()) { 1406 id = Settings.Secure.getString(mContext.getContentResolver(), 1407 Settings.Secure.DEFAULT_INPUT_METHOD); 1408 } 1409 if (!TextUtils.isEmpty(id)) { 1410 try { 1411 setInputMethodLocked(id, getSelectedInputMethodSubtypeId(id)); 1412 } catch (IllegalArgumentException e) { 1413 Slog.w(TAG, "Unknown input method from prefs: " + id, e); 1414 mCurMethodId = null; 1415 unbindCurrentMethodLocked(true); 1416 } 1417 mShortcutInputMethodsAndSubtypes.clear(); 1418 } else { 1419 // There is no longer an input method set, so stop any current one. 1420 mCurMethodId = null; 1421 unbindCurrentMethodLocked(true); 1422 } 1423 } 1424 1425 /* package */ void setInputMethodLocked(String id, int subtypeId) { 1426 InputMethodInfo info = mMethodMap.get(id); 1427 if (info == null) { 1428 throw new IllegalArgumentException("Unknown id: " + id); 1429 } 1430 1431 // See if we need to notify a subtype change within the same IME. 1432 if (id.equals(mCurMethodId)) { 1433 final int subtypeCount = info.getSubtypeCount(); 1434 if (subtypeCount <= 0) { 1435 return; 1436 } 1437 final InputMethodSubtype oldSubtype = mCurrentSubtype; 1438 final InputMethodSubtype newSubtype; 1439 if (subtypeId >= 0 && subtypeId < subtypeCount) { 1440 newSubtype = info.getSubtypeAt(subtypeId); 1441 } else { 1442 // If subtype is null, try to find the most applicable one from 1443 // getCurrentInputMethodSubtype. 1444 newSubtype = getCurrentInputMethodSubtype(); 1445 } 1446 if (newSubtype == null || oldSubtype == null) { 1447 Slog.w(TAG, "Illegal subtype state: old subtype = " + oldSubtype 1448 + ", new subtype = " + newSubtype); 1449 return; 1450 } 1451 if (newSubtype != oldSubtype) { 1452 setSelectedInputMethodAndSubtypeLocked(info, subtypeId, true); 1453 if (mCurMethod != null) { 1454 try { 1455 refreshImeWindowVisibilityLocked(); 1456 mCurMethod.changeInputMethodSubtype(newSubtype); 1457 } catch (RemoteException e) { 1458 Slog.w(TAG, "Failed to call changeInputMethodSubtype"); 1459 } 1460 } 1461 } 1462 return; 1463 } 1464 1465 // Changing to a different IME. 1466 final long ident = Binder.clearCallingIdentity(); 1467 try { 1468 // Set a subtype to this input method. 1469 // subtypeId the name of a subtype which will be set. 1470 setSelectedInputMethodAndSubtypeLocked(info, subtypeId, false); 1471 // mCurMethodId should be updated after setSelectedInputMethodAndSubtypeLocked() 1472 // because mCurMethodId is stored as a history in 1473 // setSelectedInputMethodAndSubtypeLocked(). 1474 mCurMethodId = id; 1475 1476 if (ActivityManagerNative.isSystemReady()) { 1477 Intent intent = new Intent(Intent.ACTION_INPUT_METHOD_CHANGED); 1478 intent.addFlags(Intent.FLAG_RECEIVER_REPLACE_PENDING); 1479 intent.putExtra("input_method_id", id); 1480 mContext.sendBroadcast(intent); 1481 } 1482 unbindCurrentClientLocked(); 1483 } finally { 1484 Binder.restoreCallingIdentity(ident); 1485 } 1486 } 1487 1488 @Override 1489 public boolean showSoftInput(IInputMethodClient client, int flags, 1490 ResultReceiver resultReceiver) { 1491 int uid = Binder.getCallingUid(); 1492 long ident = Binder.clearCallingIdentity(); 1493 try { 1494 synchronized (mMethodMap) { 1495 if (mCurClient == null || client == null 1496 || mCurClient.client.asBinder() != client.asBinder()) { 1497 try { 1498 // We need to check if this is the current client with 1499 // focus in the window manager, to allow this call to 1500 // be made before input is started in it. 1501 if (!mIWindowManager.inputMethodClientHasFocus(client)) { 1502 Slog.w(TAG, "Ignoring showSoftInput of uid " + uid + ": " + client); 1503 return false; 1504 } 1505 } catch (RemoteException e) { 1506 return false; 1507 } 1508 } 1509 1510 if (DEBUG) Slog.v(TAG, "Client requesting input be shown"); 1511 return showCurrentInputLocked(flags, resultReceiver); 1512 } 1513 } finally { 1514 Binder.restoreCallingIdentity(ident); 1515 } 1516 } 1517 1518 boolean showCurrentInputLocked(int flags, ResultReceiver resultReceiver) { 1519 mShowRequested = true; 1520 if ((flags&InputMethodManager.SHOW_IMPLICIT) == 0) { 1521 mShowExplicitlyRequested = true; 1522 } 1523 if ((flags&InputMethodManager.SHOW_FORCED) != 0) { 1524 mShowExplicitlyRequested = true; 1525 mShowForced = true; 1526 } 1527 1528 if (!mSystemReady) { 1529 return false; 1530 } 1531 1532 boolean res = false; 1533 if (mCurMethod != null) { 1534 executeOrSendMessage(mCurMethod, mCaller.obtainMessageIOO( 1535 MSG_SHOW_SOFT_INPUT, getImeShowFlags(), mCurMethod, 1536 resultReceiver)); 1537 mInputShown = true; 1538 if (mHaveConnection && !mVisibleBound) { 1539 mContext.bindService(mCurIntent, mVisibleConnection, Context.BIND_AUTO_CREATE); 1540 mVisibleBound = true; 1541 } 1542 res = true; 1543 } else if (mHaveConnection && SystemClock.uptimeMillis() 1544 >= (mLastBindTime+TIME_TO_RECONNECT)) { 1545 // The client has asked to have the input method shown, but 1546 // we have been sitting here too long with a connection to the 1547 // service and no interface received, so let's disconnect/connect 1548 // to try to prod things along. 1549 EventLog.writeEvent(EventLogTags.IMF_FORCE_RECONNECT_IME, mCurMethodId, 1550 SystemClock.uptimeMillis()-mLastBindTime,1); 1551 Slog.w(TAG, "Force disconnect/connect to the IME in showCurrentInputLocked()"); 1552 mContext.unbindService(this); 1553 mContext.bindService(mCurIntent, this, Context.BIND_AUTO_CREATE 1554 | Context.BIND_NOT_VISIBLE); 1555 } 1556 1557 return res; 1558 } 1559 1560 @Override 1561 public boolean hideSoftInput(IInputMethodClient client, int flags, 1562 ResultReceiver resultReceiver) { 1563 int uid = Binder.getCallingUid(); 1564 long ident = Binder.clearCallingIdentity(); 1565 try { 1566 synchronized (mMethodMap) { 1567 if (mCurClient == null || client == null 1568 || mCurClient.client.asBinder() != client.asBinder()) { 1569 try { 1570 // We need to check if this is the current client with 1571 // focus in the window manager, to allow this call to 1572 // be made before input is started in it. 1573 if (!mIWindowManager.inputMethodClientHasFocus(client)) { 1574 if (DEBUG) Slog.w(TAG, "Ignoring hideSoftInput of uid " 1575 + uid + ": " + client); 1576 setImeWindowVisibilityStatusHiddenLocked(); 1577 return false; 1578 } 1579 } catch (RemoteException e) { 1580 setImeWindowVisibilityStatusHiddenLocked(); 1581 return false; 1582 } 1583 } 1584 1585 if (DEBUG) Slog.v(TAG, "Client requesting input be hidden"); 1586 return hideCurrentInputLocked(flags, resultReceiver); 1587 } 1588 } finally { 1589 Binder.restoreCallingIdentity(ident); 1590 } 1591 } 1592 1593 boolean hideCurrentInputLocked(int flags, ResultReceiver resultReceiver) { 1594 if ((flags&InputMethodManager.HIDE_IMPLICIT_ONLY) != 0 1595 && (mShowExplicitlyRequested || mShowForced)) { 1596 if (DEBUG) Slog.v(TAG, 1597 "Not hiding: explicit show not cancelled by non-explicit hide"); 1598 return false; 1599 } 1600 if (mShowForced && (flags&InputMethodManager.HIDE_NOT_ALWAYS) != 0) { 1601 if (DEBUG) Slog.v(TAG, 1602 "Not hiding: forced show not cancelled by not-always hide"); 1603 return false; 1604 } 1605 boolean res; 1606 if (mInputShown && mCurMethod != null) { 1607 executeOrSendMessage(mCurMethod, mCaller.obtainMessageOO( 1608 MSG_HIDE_SOFT_INPUT, mCurMethod, resultReceiver)); 1609 res = true; 1610 } else { 1611 res = false; 1612 } 1613 if (mHaveConnection && mVisibleBound) { 1614 mContext.unbindService(mVisibleConnection); 1615 mVisibleBound = false; 1616 } 1617 mInputShown = false; 1618 mShowRequested = false; 1619 mShowExplicitlyRequested = false; 1620 mShowForced = false; 1621 return res; 1622 } 1623 1624 @Override 1625 public InputBindResult windowGainedFocus(IInputMethodClient client, IBinder windowToken, 1626 int controlFlags, int softInputMode, int windowFlags, 1627 EditorInfo attribute, IInputContext inputContext) { 1628 InputBindResult res = null; 1629 long ident = Binder.clearCallingIdentity(); 1630 try { 1631 synchronized (mMethodMap) { 1632 if (DEBUG) Slog.v(TAG, "windowGainedFocus: " + client.asBinder() 1633 + " controlFlags=#" + Integer.toHexString(controlFlags) 1634 + " softInputMode=#" + Integer.toHexString(softInputMode) 1635 + " windowFlags=#" + Integer.toHexString(windowFlags)); 1636 1637 ClientState cs = mClients.get(client.asBinder()); 1638 if (cs == null) { 1639 throw new IllegalArgumentException("unknown client " 1640 + client.asBinder()); 1641 } 1642 1643 try { 1644 if (!mIWindowManager.inputMethodClientHasFocus(cs.client)) { 1645 // Check with the window manager to make sure this client actually 1646 // has a window with focus. If not, reject. This is thread safe 1647 // because if the focus changes some time before or after, the 1648 // next client receiving focus that has any interest in input will 1649 // be calling through here after that change happens. 1650 Slog.w(TAG, "Focus gain on non-focused client " + cs.client 1651 + " (uid=" + cs.uid + " pid=" + cs.pid + ")"); 1652 return null; 1653 } 1654 } catch (RemoteException e) { 1655 } 1656 1657 if (mCurFocusedWindow == windowToken) { 1658 Slog.w(TAG, "Window already focused, ignoring focus gain of: " + client 1659 + " attribute=" + attribute); 1660 if (attribute != null) { 1661 return startInputUncheckedLocked(cs, inputContext, attribute, 1662 controlFlags); 1663 } 1664 return null; 1665 } 1666 mCurFocusedWindow = windowToken; 1667 1668 // Should we auto-show the IME even if the caller has not 1669 // specified what should be done with it? 1670 // We only do this automatically if the window can resize 1671 // to accommodate the IME (so what the user sees will give 1672 // them good context without input information being obscured 1673 // by the IME) or if running on a large screen where there 1674 // is more room for the target window + IME. 1675 final boolean doAutoShow = 1676 (softInputMode & WindowManager.LayoutParams.SOFT_INPUT_MASK_ADJUST) 1677 == WindowManager.LayoutParams.SOFT_INPUT_ADJUST_RESIZE 1678 || mRes.getConfiguration().isLayoutSizeAtLeast( 1679 Configuration.SCREENLAYOUT_SIZE_LARGE); 1680 final boolean isTextEditor = 1681 (controlFlags&InputMethodManager.CONTROL_WINDOW_IS_TEXT_EDITOR) != 0; 1682 1683 // We want to start input before showing the IME, but after closing 1684 // it. We want to do this after closing it to help the IME disappear 1685 // more quickly (not get stuck behind it initializing itself for the 1686 // new focused input, even if its window wants to hide the IME). 1687 boolean didStart = false; 1688 1689 switch (softInputMode&WindowManager.LayoutParams.SOFT_INPUT_MASK_STATE) { 1690 case WindowManager.LayoutParams.SOFT_INPUT_STATE_UNSPECIFIED: 1691 if (!isTextEditor || !doAutoShow) { 1692 if (WindowManager.LayoutParams.mayUseInputMethod(windowFlags)) { 1693 // There is no focus view, and this window will 1694 // be behind any soft input window, so hide the 1695 // soft input window if it is shown. 1696 if (DEBUG) Slog.v(TAG, "Unspecified window will hide input"); 1697 hideCurrentInputLocked(InputMethodManager.HIDE_NOT_ALWAYS, null); 1698 } 1699 } else if (isTextEditor && doAutoShow && (softInputMode & 1700 WindowManager.LayoutParams.SOFT_INPUT_IS_FORWARD_NAVIGATION) != 0) { 1701 // There is a focus view, and we are navigating forward 1702 // into the window, so show the input window for the user. 1703 // We only do this automatically if the window can resize 1704 // to accommodate the IME (so what the user sees will give 1705 // them good context without input information being obscured 1706 // by the IME) or if running on a large screen where there 1707 // is more room for the target window + IME. 1708 if (DEBUG) Slog.v(TAG, "Unspecified window will show input"); 1709 if (attribute != null) { 1710 res = startInputUncheckedLocked(cs, inputContext, attribute, 1711 controlFlags); 1712 didStart = true; 1713 } 1714 showCurrentInputLocked(InputMethodManager.SHOW_IMPLICIT, null); 1715 } 1716 break; 1717 case WindowManager.LayoutParams.SOFT_INPUT_STATE_UNCHANGED: 1718 // Do nothing. 1719 break; 1720 case WindowManager.LayoutParams.SOFT_INPUT_STATE_HIDDEN: 1721 if ((softInputMode & 1722 WindowManager.LayoutParams.SOFT_INPUT_IS_FORWARD_NAVIGATION) != 0) { 1723 if (DEBUG) Slog.v(TAG, "Window asks to hide input going forward"); 1724 hideCurrentInputLocked(0, null); 1725 } 1726 break; 1727 case WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_HIDDEN: 1728 if (DEBUG) Slog.v(TAG, "Window asks to hide input"); 1729 hideCurrentInputLocked(0, null); 1730 break; 1731 case WindowManager.LayoutParams.SOFT_INPUT_STATE_VISIBLE: 1732 if ((softInputMode & 1733 WindowManager.LayoutParams.SOFT_INPUT_IS_FORWARD_NAVIGATION) != 0) { 1734 if (DEBUG) Slog.v(TAG, "Window asks to show input going forward"); 1735 if (attribute != null) { 1736 res = startInputUncheckedLocked(cs, inputContext, attribute, 1737 controlFlags); 1738 didStart = true; 1739 } 1740 showCurrentInputLocked(InputMethodManager.SHOW_IMPLICIT, null); 1741 } 1742 break; 1743 case WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_VISIBLE: 1744 if (DEBUG) Slog.v(TAG, "Window asks to always show input"); 1745 if (attribute != null) { 1746 res = startInputUncheckedLocked(cs, inputContext, attribute, 1747 controlFlags); 1748 didStart = true; 1749 } 1750 showCurrentInputLocked(InputMethodManager.SHOW_IMPLICIT, null); 1751 break; 1752 } 1753 1754 if (!didStart && attribute != null) { 1755 res = startInputUncheckedLocked(cs, inputContext, attribute, 1756 controlFlags); 1757 } 1758 } 1759 } finally { 1760 Binder.restoreCallingIdentity(ident); 1761 } 1762 1763 return res; 1764 } 1765 1766 @Override 1767 public void showInputMethodPickerFromClient(IInputMethodClient client) { 1768 synchronized (mMethodMap) { 1769 if (mCurClient == null || client == null 1770 || mCurClient.client.asBinder() != client.asBinder()) { 1771 Slog.w(TAG, "Ignoring showInputMethodPickerFromClient of uid " 1772 + Binder.getCallingUid() + ": " + client); 1773 } 1774 1775 // Always call subtype picker, because subtype picker is a superset of input method 1776 // picker. 1777 mHandler.sendEmptyMessage(MSG_SHOW_IM_SUBTYPE_PICKER); 1778 } 1779 } 1780 1781 @Override 1782 public void setInputMethod(IBinder token, String id) { 1783 setInputMethodWithSubtypeId(token, id, NOT_A_SUBTYPE_ID); 1784 } 1785 1786 @Override 1787 public void setInputMethodAndSubtype(IBinder token, String id, InputMethodSubtype subtype) { 1788 synchronized (mMethodMap) { 1789 if (subtype != null) { 1790 setInputMethodWithSubtypeId(token, id, getSubtypeIdFromHashCode( 1791 mMethodMap.get(id), subtype.hashCode())); 1792 } else { 1793 setInputMethod(token, id); 1794 } 1795 } 1796 } 1797 1798 @Override 1799 public void showInputMethodAndSubtypeEnablerFromClient( 1800 IInputMethodClient client, String inputMethodId) { 1801 synchronized (mMethodMap) { 1802 if (mCurClient == null || client == null 1803 || mCurClient.client.asBinder() != client.asBinder()) { 1804 Slog.w(TAG, "Ignoring showInputMethodAndSubtypeEnablerFromClient of: " + client); 1805 } 1806 executeOrSendMessage(mCurMethod, mCaller.obtainMessageO( 1807 MSG_SHOW_IM_SUBTYPE_ENABLER, inputMethodId)); 1808 } 1809 } 1810 1811 @Override 1812 public boolean switchToLastInputMethod(IBinder token) { 1813 synchronized (mMethodMap) { 1814 final Pair<String, String> lastIme = mSettings.getLastInputMethodAndSubtypeLocked(); 1815 final InputMethodInfo lastImi; 1816 if (lastIme != null) { 1817 lastImi = mMethodMap.get(lastIme.first); 1818 } else { 1819 lastImi = null; 1820 } 1821 String targetLastImiId = null; 1822 int subtypeId = NOT_A_SUBTYPE_ID; 1823 if (lastIme != null && lastImi != null) { 1824 final boolean imiIdIsSame = lastImi.getId().equals(mCurMethodId); 1825 final int lastSubtypeHash = Integer.valueOf(lastIme.second); 1826 final int currentSubtypeHash = mCurrentSubtype == null ? NOT_A_SUBTYPE_ID 1827 : mCurrentSubtype.hashCode(); 1828 // If the last IME is the same as the current IME and the last subtype is not 1829 // defined, there is no need to switch to the last IME. 1830 if (!imiIdIsSame || lastSubtypeHash != currentSubtypeHash) { 1831 targetLastImiId = lastIme.first; 1832 subtypeId = getSubtypeIdFromHashCode(lastImi, lastSubtypeHash); 1833 } 1834 } 1835 1836 if (TextUtils.isEmpty(targetLastImiId) && !canAddToLastInputMethod(mCurrentSubtype)) { 1837 // This is a safety net. If the currentSubtype can't be added to the history 1838 // and the framework couldn't find the last ime, we will make the last ime be 1839 // the most applicable enabled keyboard subtype of the system imes. 1840 final List<InputMethodInfo> enabled = mSettings.getEnabledInputMethodListLocked(); 1841 if (enabled != null) { 1842 final int N = enabled.size(); 1843 final String locale = mCurrentSubtype == null 1844 ? mRes.getConfiguration().locale.toString() 1845 : mCurrentSubtype.getLocale(); 1846 for (int i = 0; i < N; ++i) { 1847 final InputMethodInfo imi = enabled.get(i); 1848 if (imi.getSubtypeCount() > 0 && isSystemIme(imi)) { 1849 InputMethodSubtype keyboardSubtype = 1850 findLastResortApplicableSubtypeLocked(mRes, getSubtypes(imi), 1851 SUBTYPE_MODE_KEYBOARD, locale, true); 1852 if (keyboardSubtype != null) { 1853 targetLastImiId = imi.getId(); 1854 subtypeId = getSubtypeIdFromHashCode( 1855 imi, keyboardSubtype.hashCode()); 1856 if(keyboardSubtype.getLocale().equals(locale)) { 1857 break; 1858 } 1859 } 1860 } 1861 } 1862 } 1863 } 1864 1865 if (!TextUtils.isEmpty(targetLastImiId)) { 1866 if (DEBUG) { 1867 Slog.d(TAG, "Switch to: " + lastImi.getId() + ", " + lastIme.second 1868 + ", from: " + mCurMethodId + ", " + subtypeId); 1869 } 1870 setInputMethodWithSubtypeId(token, targetLastImiId, subtypeId); 1871 return true; 1872 } else { 1873 return false; 1874 } 1875 } 1876 } 1877 1878 @Override 1879 public boolean switchToNextInputMethod(IBinder token, boolean onlyCurrentIme) { 1880 synchronized (mMethodMap) { 1881 final ImeSubtypeListItem nextSubtype = mImListManager.getNextInputMethod( 1882 onlyCurrentIme, mMethodMap.get(mCurMethodId), mCurrentSubtype); 1883 if (nextSubtype == null) { 1884 return false; 1885 } 1886 setInputMethodWithSubtypeId(token, nextSubtype.mImi.getId(), nextSubtype.mSubtypeId); 1887 return true; 1888 } 1889 } 1890 1891 @Override 1892 public InputMethodSubtype getLastInputMethodSubtype() { 1893 synchronized (mMethodMap) { 1894 final Pair<String, String> lastIme = mSettings.getLastInputMethodAndSubtypeLocked(); 1895 // TODO: Handle the case of the last IME with no subtypes 1896 if (lastIme == null || TextUtils.isEmpty(lastIme.first) 1897 || TextUtils.isEmpty(lastIme.second)) return null; 1898 final InputMethodInfo lastImi = mMethodMap.get(lastIme.first); 1899 if (lastImi == null) return null; 1900 try { 1901 final int lastSubtypeHash = Integer.valueOf(lastIme.second); 1902 final int lastSubtypeId = getSubtypeIdFromHashCode(lastImi, lastSubtypeHash); 1903 if (lastSubtypeId < 0 || lastSubtypeId >= lastImi.getSubtypeCount()) { 1904 return null; 1905 } 1906 return lastImi.getSubtypeAt(lastSubtypeId); 1907 } catch (NumberFormatException e) { 1908 return null; 1909 } 1910 } 1911 } 1912 1913 @Override 1914 public void setAdditionalInputMethodSubtypes(String imiId, InputMethodSubtype[] subtypes) { 1915 // By this IPC call, only a process which shares the same uid with the IME can add 1916 // additional input method subtypes to the IME. 1917 if (TextUtils.isEmpty(imiId) || subtypes == null || subtypes.length == 0) return; 1918 synchronized (mMethodMap) { 1919 final InputMethodInfo imi = mMethodMap.get(imiId); 1920 if (imi == null) return; 1921 final PackageManager pm = mContext.getPackageManager(); 1922 final String[] packageInfos = pm.getPackagesForUid(Binder.getCallingUid()); 1923 if (packageInfos != null) { 1924 final int packageNum = packageInfos.length; 1925 for (int i = 0; i < packageNum; ++i) { 1926 if (packageInfos[i].equals(imi.getPackageName())) { 1927 mFileManager.addInputMethodSubtypes(imi, subtypes); 1928 final long ident = Binder.clearCallingIdentity(); 1929 try { 1930 buildInputMethodListLocked(mMethodList, mMethodMap); 1931 } finally { 1932 Binder.restoreCallingIdentity(ident); 1933 } 1934 return; 1935 } 1936 } 1937 } 1938 } 1939 return; 1940 } 1941 1942 private void setInputMethodWithSubtypeId(IBinder token, String id, int subtypeId) { 1943 synchronized (mMethodMap) { 1944 if (token == null) { 1945 if (mContext.checkCallingOrSelfPermission( 1946 android.Manifest.permission.WRITE_SECURE_SETTINGS) 1947 != PackageManager.PERMISSION_GRANTED) { 1948 throw new SecurityException( 1949 "Using null token requires permission " 1950 + android.Manifest.permission.WRITE_SECURE_SETTINGS); 1951 } 1952 } else if (mCurToken != token) { 1953 Slog.w(TAG, "Ignoring setInputMethod of uid " + Binder.getCallingUid() 1954 + " token: " + token); 1955 return; 1956 } 1957 1958 final long ident = Binder.clearCallingIdentity(); 1959 try { 1960 setInputMethodLocked(id, subtypeId); 1961 } finally { 1962 Binder.restoreCallingIdentity(ident); 1963 } 1964 } 1965 } 1966 1967 @Override 1968 public void hideMySoftInput(IBinder token, int flags) { 1969 synchronized (mMethodMap) { 1970 if (token == null || mCurToken != token) { 1971 if (DEBUG) Slog.w(TAG, "Ignoring hideInputMethod of uid " 1972 + Binder.getCallingUid() + " token: " + token); 1973 return; 1974 } 1975 long ident = Binder.clearCallingIdentity(); 1976 try { 1977 hideCurrentInputLocked(flags, null); 1978 } finally { 1979 Binder.restoreCallingIdentity(ident); 1980 } 1981 } 1982 } 1983 1984 @Override 1985 public void showMySoftInput(IBinder token, int flags) { 1986 synchronized (mMethodMap) { 1987 if (token == null || mCurToken != token) { 1988 Slog.w(TAG, "Ignoring showMySoftInput of uid " 1989 + Binder.getCallingUid() + " token: " + token); 1990 return; 1991 } 1992 long ident = Binder.clearCallingIdentity(); 1993 try { 1994 showCurrentInputLocked(flags, null); 1995 } finally { 1996 Binder.restoreCallingIdentity(ident); 1997 } 1998 } 1999 } 2000 2001 void setEnabledSessionInMainThread(SessionState session) { 2002 if (mEnabledSession != session) { 2003 if (mEnabledSession != null) { 2004 try { 2005 if (DEBUG) Slog.v(TAG, "Disabling: " + mEnabledSession); 2006 mEnabledSession.method.setSessionEnabled( 2007 mEnabledSession.session, false); 2008 } catch (RemoteException e) { 2009 } 2010 } 2011 mEnabledSession = session; 2012 try { 2013 if (DEBUG) Slog.v(TAG, "Enabling: " + mEnabledSession); 2014 session.method.setSessionEnabled( 2015 session.session, true); 2016 } catch (RemoteException e) { 2017 } 2018 } 2019 } 2020 2021 @Override 2022 public boolean handleMessage(Message msg) { 2023 HandlerCaller.SomeArgs args; 2024 switch (msg.what) { 2025 case MSG_SHOW_IM_PICKER: 2026 showInputMethodMenu(); 2027 return true; 2028 2029 case MSG_SHOW_IM_SUBTYPE_PICKER: 2030 showInputMethodSubtypeMenu(); 2031 return true; 2032 2033 case MSG_SHOW_IM_SUBTYPE_ENABLER: 2034 args = (HandlerCaller.SomeArgs)msg.obj; 2035 showInputMethodAndSubtypeEnabler((String)args.arg1); 2036 return true; 2037 2038 case MSG_SHOW_IM_CONFIG: 2039 showConfigureInputMethods(); 2040 return true; 2041 2042 // --------------------------------------------------------- 2043 2044 case MSG_UNBIND_INPUT: 2045 try { 2046 ((IInputMethod)msg.obj).unbindInput(); 2047 } catch (RemoteException e) { 2048 // There is nothing interesting about the method dying. 2049 } 2050 return true; 2051 case MSG_BIND_INPUT: 2052 args = (HandlerCaller.SomeArgs)msg.obj; 2053 try { 2054 ((IInputMethod)args.arg1).bindInput((InputBinding)args.arg2); 2055 } catch (RemoteException e) { 2056 } 2057 return true; 2058 case MSG_SHOW_SOFT_INPUT: 2059 args = (HandlerCaller.SomeArgs)msg.obj; 2060 try { 2061 ((IInputMethod)args.arg1).showSoftInput(msg.arg1, 2062 (ResultReceiver)args.arg2); 2063 } catch (RemoteException e) { 2064 } 2065 return true; 2066 case MSG_HIDE_SOFT_INPUT: 2067 args = (HandlerCaller.SomeArgs)msg.obj; 2068 try { 2069 ((IInputMethod)args.arg1).hideSoftInput(0, 2070 (ResultReceiver)args.arg2); 2071 } catch (RemoteException e) { 2072 } 2073 return true; 2074 case MSG_ATTACH_TOKEN: 2075 args = (HandlerCaller.SomeArgs)msg.obj; 2076 try { 2077 if (DEBUG) Slog.v(TAG, "Sending attach of token: " + args.arg2); 2078 ((IInputMethod)args.arg1).attachToken((IBinder)args.arg2); 2079 } catch (RemoteException e) { 2080 } 2081 return true; 2082 case MSG_CREATE_SESSION: 2083 args = (HandlerCaller.SomeArgs)msg.obj; 2084 try { 2085 ((IInputMethod)args.arg1).createSession( 2086 (IInputMethodCallback)args.arg2); 2087 } catch (RemoteException e) { 2088 } 2089 return true; 2090 // --------------------------------------------------------- 2091 2092 case MSG_START_INPUT: 2093 args = (HandlerCaller.SomeArgs)msg.obj; 2094 try { 2095 SessionState session = (SessionState)args.arg1; 2096 setEnabledSessionInMainThread(session); 2097 session.method.startInput((IInputContext)args.arg2, 2098 (EditorInfo)args.arg3); 2099 } catch (RemoteException e) { 2100 } 2101 return true; 2102 case MSG_RESTART_INPUT: 2103 args = (HandlerCaller.SomeArgs)msg.obj; 2104 try { 2105 SessionState session = (SessionState)args.arg1; 2106 setEnabledSessionInMainThread(session); 2107 session.method.restartInput((IInputContext)args.arg2, 2108 (EditorInfo)args.arg3); 2109 } catch (RemoteException e) { 2110 } 2111 return true; 2112 2113 // --------------------------------------------------------- 2114 2115 case MSG_UNBIND_METHOD: 2116 try { 2117 ((IInputMethodClient)msg.obj).onUnbindMethod(msg.arg1); 2118 } catch (RemoteException e) { 2119 // There is nothing interesting about the last client dying. 2120 } 2121 return true; 2122 case MSG_BIND_METHOD: 2123 args = (HandlerCaller.SomeArgs)msg.obj; 2124 try { 2125 ((IInputMethodClient)args.arg1).onBindMethod( 2126 (InputBindResult)args.arg2); 2127 } catch (RemoteException e) { 2128 Slog.w(TAG, "Client died receiving input method " + args.arg2); 2129 } 2130 return true; 2131 case MSG_SET_ACTIVE: 2132 try { 2133 ((ClientState)msg.obj).client.setActive(msg.arg1 != 0); 2134 } catch (RemoteException e) { 2135 Slog.w(TAG, "Got RemoteException sending setActive(false) notification to pid " 2136 + ((ClientState)msg.obj).pid + " uid " 2137 + ((ClientState)msg.obj).uid); 2138 } 2139 return true; 2140 2141 // -------------------------------------------------------------- 2142 case MSG_HARD_KEYBOARD_SWITCH_CHANGED: 2143 mHardKeyboardListener.handleHardKeyboardStatusChange( 2144 msg.arg1 == 1, msg.arg2 == 1); 2145 return true; 2146 } 2147 return false; 2148 } 2149 2150 private static boolean isSystemIme(InputMethodInfo inputMethod) { 2151 return (inputMethod.getServiceInfo().applicationInfo.flags 2152 & ApplicationInfo.FLAG_SYSTEM) != 0; 2153 } 2154 2155 private static ArrayList<InputMethodSubtype> getSubtypes(InputMethodInfo imi) { 2156 ArrayList<InputMethodSubtype> subtypes = new ArrayList<InputMethodSubtype>(); 2157 final int subtypeCount = imi.getSubtypeCount(); 2158 for (int i = 0; i < subtypeCount; ++i) { 2159 subtypes.add(imi.getSubtypeAt(i)); 2160 } 2161 return subtypes; 2162 } 2163 2164 private static ArrayList<InputMethodSubtype> getOverridingImplicitlyEnabledSubtypes( 2165 InputMethodInfo imi, String mode) { 2166 ArrayList<InputMethodSubtype> subtypes = new ArrayList<InputMethodSubtype>(); 2167 final int subtypeCount = imi.getSubtypeCount(); 2168 for (int i = 0; i < subtypeCount; ++i) { 2169 final InputMethodSubtype subtype = imi.getSubtypeAt(i); 2170 if (subtype.overridesImplicitlyEnabledSubtype() && subtype.getMode().equals(mode)) { 2171 subtypes.add(subtype); 2172 } 2173 } 2174 return subtypes; 2175 } 2176 2177 private InputMethodInfo getMostApplicableDefaultIMELocked() { 2178 List<InputMethodInfo> enabled = mSettings.getEnabledInputMethodListLocked(); 2179 if (enabled != null && enabled.size() > 0) { 2180 // We'd prefer to fall back on a system IME, since that is safer. 2181 int i = enabled.size(); 2182 int firstFoundSystemIme = -1; 2183 while (i > 0) { 2184 i--; 2185 final InputMethodInfo imi = enabled.get(i); 2186 if (isSystemImeThatHasEnglishSubtype(imi) && !imi.isAuxiliaryIme()) { 2187 return imi; 2188 } 2189 if (firstFoundSystemIme < 0 && isSystemIme(imi) && !imi.isAuxiliaryIme()) { 2190 firstFoundSystemIme = i; 2191 } 2192 } 2193 return enabled.get(Math.max(firstFoundSystemIme, 0)); 2194 } 2195 return null; 2196 } 2197 2198 private boolean chooseNewDefaultIMELocked() { 2199 final InputMethodInfo imi = getMostApplicableDefaultIMELocked(); 2200 if (imi != null) { 2201 if (DEBUG) { 2202 Slog.d(TAG, "New default IME was selected: " + imi.getId()); 2203 } 2204 resetSelectedInputMethodAndSubtypeLocked(imi.getId()); 2205 return true; 2206 } 2207 2208 return false; 2209 } 2210 2211 void buildInputMethodListLocked(ArrayList<InputMethodInfo> list, 2212 HashMap<String, InputMethodInfo> map) { 2213 list.clear(); 2214 map.clear(); 2215 2216 PackageManager pm = mContext.getPackageManager(); 2217 final Configuration config = mRes.getConfiguration(); 2218 final boolean haveHardKeyboard = config.keyboard == Configuration.KEYBOARD_QWERTY; 2219 String disabledSysImes = Settings.Secure.getString(mContext.getContentResolver(), 2220 Secure.DISABLED_SYSTEM_INPUT_METHODS); 2221 if (disabledSysImes == null) disabledSysImes = ""; 2222 2223 List<ResolveInfo> services = pm.queryIntentServices( 2224 new Intent(InputMethod.SERVICE_INTERFACE), 2225 PackageManager.GET_META_DATA); 2226 2227 final HashMap<String, List<InputMethodSubtype>> additionalSubtypes = 2228 mFileManager.getAllAdditionalInputMethodSubtypes(); 2229 for (int i = 0; i < services.size(); ++i) { 2230 ResolveInfo ri = services.get(i); 2231 ServiceInfo si = ri.serviceInfo; 2232 ComponentName compName = new ComponentName(si.packageName, si.name); 2233 if (!android.Manifest.permission.BIND_INPUT_METHOD.equals( 2234 si.permission)) { 2235 Slog.w(TAG, "Skipping input method " + compName 2236 + ": it does not require the permission " 2237 + android.Manifest.permission.BIND_INPUT_METHOD); 2238 continue; 2239 } 2240 2241 if (DEBUG) Slog.d(TAG, "Checking " + compName); 2242 2243 try { 2244 InputMethodInfo p = new InputMethodInfo(mContext, ri, additionalSubtypes); 2245 list.add(p); 2246 final String id = p.getId(); 2247 map.put(id, p); 2248 2249 // Valid system default IMEs and IMEs that have English subtypes are enabled 2250 // by default, unless there's a hard keyboard and the system IME was explicitly 2251 // disabled 2252 if ((isValidSystemDefaultIme(p, mContext) || isSystemImeThatHasEnglishSubtype(p)) 2253 && (!haveHardKeyboard || disabledSysImes.indexOf(id) < 0)) { 2254 setInputMethodEnabledLocked(id, true); 2255 } 2256 2257 if (DEBUG) { 2258 Slog.d(TAG, "Found a third-party input method " + p); 2259 } 2260 2261 } catch (XmlPullParserException e) { 2262 Slog.w(TAG, "Unable to load input method " + compName, e); 2263 } catch (IOException e) { 2264 Slog.w(TAG, "Unable to load input method " + compName, e); 2265 } 2266 } 2267 2268 final String defaultImiId = Settings.Secure.getString(mContext 2269 .getContentResolver(), Settings.Secure.DEFAULT_INPUT_METHOD); 2270 if (!TextUtils.isEmpty(defaultImiId)) { 2271 if (!map.containsKey(defaultImiId)) { 2272 Slog.w(TAG, "Default IME is uninstalled. Choose new default IME."); 2273 if (chooseNewDefaultIMELocked()) { 2274 updateFromSettingsLocked(); 2275 } 2276 } else { 2277 // Double check that the default IME is certainly enabled. 2278 setInputMethodEnabledLocked(defaultImiId, true); 2279 } 2280 } 2281 } 2282 2283 // ---------------------------------------------------------------------- 2284 2285 private void showInputMethodMenu() { 2286 showInputMethodMenuInternal(false); 2287 } 2288 2289 private void showInputMethodSubtypeMenu() { 2290 showInputMethodMenuInternal(true); 2291 } 2292 2293 private void showInputMethodAndSubtypeEnabler(String inputMethodId) { 2294 Intent intent = new Intent(Settings.ACTION_INPUT_METHOD_SUBTYPE_SETTINGS); 2295 intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK 2296 | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED 2297 | Intent.FLAG_ACTIVITY_CLEAR_TOP); 2298 if (!TextUtils.isEmpty(inputMethodId)) { 2299 intent.putExtra(Settings.EXTRA_INPUT_METHOD_ID, inputMethodId); 2300 } 2301 mContext.startActivity(intent); 2302 } 2303 2304 private void showConfigureInputMethods() { 2305 Intent intent = new Intent(Settings.ACTION_INPUT_METHOD_SETTINGS); 2306 intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK 2307 | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED 2308 | Intent.FLAG_ACTIVITY_CLEAR_TOP); 2309 mContext.startActivity(intent); 2310 } 2311 2312 private boolean isScreenLocked() { 2313 return mKeyguardManager != null 2314 && mKeyguardManager.isKeyguardLocked() && mKeyguardManager.isKeyguardSecure(); 2315 } 2316 private void showInputMethodMenuInternal(boolean showSubtypes) { 2317 if (DEBUG) Slog.v(TAG, "Show switching menu"); 2318 2319 final Context context = mContext; 2320 final PackageManager pm = context.getPackageManager(); 2321 final boolean isScreenLocked = isScreenLocked(); 2322 2323 final String lastInputMethodId = Settings.Secure.getString(context 2324 .getContentResolver(), Settings.Secure.DEFAULT_INPUT_METHOD); 2325 int lastInputMethodSubtypeId = getSelectedInputMethodSubtypeId(lastInputMethodId); 2326 if (DEBUG) Slog.v(TAG, "Current IME: " + lastInputMethodId); 2327 2328 synchronized (mMethodMap) { 2329 final HashMap<InputMethodInfo, List<InputMethodSubtype>> immis = 2330 getExplicitlyOrImplicitlyEnabledInputMethodsAndSubtypeListLocked(); 2331 if (immis == null || immis.size() == 0) { 2332 return; 2333 } 2334 2335 hideInputMethodMenuLocked(); 2336 2337 final List<ImeSubtypeListItem> imList = 2338 mImListManager.getSortedInputMethodAndSubtypeList( 2339 showSubtypes, mInputShown, isScreenLocked); 2340 2341 if (lastInputMethodSubtypeId == NOT_A_SUBTYPE_ID) { 2342 final InputMethodSubtype currentSubtype = getCurrentInputMethodSubtype(); 2343 if (currentSubtype != null) { 2344 final InputMethodInfo currentImi = mMethodMap.get(mCurMethodId); 2345 lastInputMethodSubtypeId = 2346 getSubtypeIdFromHashCode(currentImi, currentSubtype.hashCode()); 2347 } 2348 } 2349 2350 final int N = imList.size(); 2351 mIms = new InputMethodInfo[N]; 2352 mSubtypeIds = new int[N]; 2353 int checkedItem = 0; 2354 for (int i = 0; i < N; ++i) { 2355 final ImeSubtypeListItem item = imList.get(i); 2356 mIms[i] = item.mImi; 2357 mSubtypeIds[i] = item.mSubtypeId; 2358 if (mIms[i].getId().equals(lastInputMethodId)) { 2359 int subtypeId = mSubtypeIds[i]; 2360 if ((subtypeId == NOT_A_SUBTYPE_ID) 2361 || (lastInputMethodSubtypeId == NOT_A_SUBTYPE_ID && subtypeId == 0) 2362 || (subtypeId == lastInputMethodSubtypeId)) { 2363 checkedItem = i; 2364 } 2365 } 2366 } 2367 final TypedArray a = context.obtainStyledAttributes(null, 2368 com.android.internal.R.styleable.DialogPreference, 2369 com.android.internal.R.attr.alertDialogStyle, 0); 2370 mDialogBuilder = new AlertDialog.Builder(context) 2371 .setOnCancelListener(new OnCancelListener() { 2372 @Override 2373 public void onCancel(DialogInterface dialog) { 2374 hideInputMethodMenu(); 2375 } 2376 }) 2377 .setIcon(a.getDrawable( 2378 com.android.internal.R.styleable.DialogPreference_dialogTitle)); 2379 a.recycle(); 2380 final LayoutInflater inflater = 2381 (LayoutInflater)mContext.getSystemService(Context.LAYOUT_INFLATER_SERVICE); 2382 final View tv = inflater.inflate( 2383 com.android.internal.R.layout.input_method_switch_dialog_title, null); 2384 mDialogBuilder.setCustomTitle(tv); 2385 2386 // Setup layout for a toggle switch of the hardware keyboard 2387 mSwitchingDialogTitleView = tv; 2388 mSwitchingDialogTitleView.findViewById( 2389 com.android.internal.R.id.hard_keyboard_section).setVisibility( 2390 mWindowManagerService.isHardKeyboardAvailable() ? 2391 View.VISIBLE : View.GONE); 2392 final Switch hardKeySwitch = ((Switch)mSwitchingDialogTitleView.findViewById( 2393 com.android.internal.R.id.hard_keyboard_switch)); 2394 hardKeySwitch.setChecked(mWindowManagerService.isHardKeyboardEnabled()); 2395 hardKeySwitch.setOnCheckedChangeListener( 2396 new OnCheckedChangeListener() { 2397 @Override 2398 public void onCheckedChanged( 2399 CompoundButton buttonView, boolean isChecked) { 2400 mWindowManagerService.setHardKeyboardEnabled(isChecked); 2401 } 2402 }); 2403 2404 final ImeSubtypeListAdapter adapter = new ImeSubtypeListAdapter(context, 2405 com.android.internal.R.layout.simple_list_item_2_single_choice, imList, 2406 checkedItem); 2407 2408 mDialogBuilder.setSingleChoiceItems(adapter, checkedItem, 2409 new AlertDialog.OnClickListener() { 2410 @Override 2411 public void onClick(DialogInterface dialog, int which) { 2412 synchronized (mMethodMap) { 2413 if (mIms == null || mIms.length <= which 2414 || mSubtypeIds == null || mSubtypeIds.length <= which) { 2415 return; 2416 } 2417 InputMethodInfo im = mIms[which]; 2418 int subtypeId = mSubtypeIds[which]; 2419 hideInputMethodMenu(); 2420 if (im != null) { 2421 if ((subtypeId < 0) 2422 || (subtypeId >= im.getSubtypeCount())) { 2423 subtypeId = NOT_A_SUBTYPE_ID; 2424 } 2425 setInputMethodLocked(im.getId(), subtypeId); 2426 } 2427 } 2428 } 2429 }); 2430 2431 if (showSubtypes && !isScreenLocked) { 2432 mDialogBuilder.setPositiveButton( 2433 com.android.internal.R.string.configure_input_methods, 2434 new DialogInterface.OnClickListener() { 2435 @Override 2436 public void onClick(DialogInterface dialog, int whichButton) { 2437 showConfigureInputMethods(); 2438 } 2439 }); 2440 } 2441 mSwitchingDialog = mDialogBuilder.create(); 2442 mSwitchingDialog.setCanceledOnTouchOutside(true); 2443 mSwitchingDialog.getWindow().setType( 2444 WindowManager.LayoutParams.TYPE_INPUT_METHOD_DIALOG); 2445 mSwitchingDialog.getWindow().getAttributes().setTitle("Select input method"); 2446 mSwitchingDialog.show(); 2447 } 2448 } 2449 2450 private static class ImeSubtypeListItem implements Comparable<ImeSubtypeListItem> { 2451 public final CharSequence mImeName; 2452 public final CharSequence mSubtypeName; 2453 public final InputMethodInfo mImi; 2454 public final int mSubtypeId; 2455 private final boolean mIsSystemLocale; 2456 private final boolean mIsSystemLanguage; 2457 2458 public ImeSubtypeListItem(CharSequence imeName, CharSequence subtypeName, 2459 InputMethodInfo imi, int subtypeId, String subtypeLocale, String systemLocale) { 2460 mImeName = imeName; 2461 mSubtypeName = subtypeName; 2462 mImi = imi; 2463 mSubtypeId = subtypeId; 2464 if (TextUtils.isEmpty(subtypeLocale)) { 2465 mIsSystemLocale = false; 2466 mIsSystemLanguage = false; 2467 } else { 2468 mIsSystemLocale = subtypeLocale.equals(systemLocale); 2469 mIsSystemLanguage = mIsSystemLocale 2470 || subtypeLocale.startsWith(systemLocale.substring(0, 2)); 2471 } 2472 } 2473 2474 @Override 2475 public int compareTo(ImeSubtypeListItem other) { 2476 if (TextUtils.isEmpty(mImeName)) { 2477 return 1; 2478 } 2479 if (TextUtils.isEmpty(other.mImeName)) { 2480 return -1; 2481 } 2482 if (!TextUtils.equals(mImeName, other.mImeName)) { 2483 return mImeName.toString().compareTo(other.mImeName.toString()); 2484 } 2485 if (TextUtils.equals(mSubtypeName, other.mSubtypeName)) { 2486 return 0; 2487 } 2488 if (mIsSystemLocale) { 2489 return -1; 2490 } 2491 if (other.mIsSystemLocale) { 2492 return 1; 2493 } 2494 if (mIsSystemLanguage) { 2495 return -1; 2496 } 2497 if (other.mIsSystemLanguage) { 2498 return 1; 2499 } 2500 if (TextUtils.isEmpty(mSubtypeName)) { 2501 return 1; 2502 } 2503 if (TextUtils.isEmpty(other.mSubtypeName)) { 2504 return -1; 2505 } 2506 return mSubtypeName.toString().compareTo(other.mSubtypeName.toString()); 2507 } 2508 } 2509 2510 private static class ImeSubtypeListAdapter extends ArrayAdapter<ImeSubtypeListItem> { 2511 private final LayoutInflater mInflater; 2512 private final int mTextViewResourceId; 2513 private final List<ImeSubtypeListItem> mItemsList; 2514 private final int mCheckedItem; 2515 public ImeSubtypeListAdapter(Context context, int textViewResourceId, 2516 List<ImeSubtypeListItem> itemsList, int checkedItem) { 2517 super(context, textViewResourceId, itemsList); 2518 mTextViewResourceId = textViewResourceId; 2519 mItemsList = itemsList; 2520 mCheckedItem = checkedItem; 2521 mInflater = (LayoutInflater)context.getSystemService(Context.LAYOUT_INFLATER_SERVICE); 2522 } 2523 2524 @Override 2525 public View getView(int position, View convertView, ViewGroup parent) { 2526 final View view = convertView != null ? convertView 2527 : mInflater.inflate(mTextViewResourceId, null); 2528 if (position < 0 || position >= mItemsList.size()) return view; 2529 final ImeSubtypeListItem item = mItemsList.get(position); 2530 final CharSequence imeName = item.mImeName; 2531 final CharSequence subtypeName = item.mSubtypeName; 2532 final TextView firstTextView = (TextView)view.findViewById(android.R.id.text1); 2533 final TextView secondTextView = (TextView)view.findViewById(android.R.id.text2); 2534 if (TextUtils.isEmpty(subtypeName)) { 2535 firstTextView.setText(imeName); 2536 secondTextView.setVisibility(View.GONE); 2537 } else { 2538 firstTextView.setText(subtypeName); 2539 secondTextView.setText(imeName); 2540 secondTextView.setVisibility(View.VISIBLE); 2541 } 2542 final RadioButton radioButton = 2543 (RadioButton)view.findViewById(com.android.internal.R.id.radio); 2544 radioButton.setChecked(position == mCheckedItem); 2545 return view; 2546 } 2547 } 2548 2549 void hideInputMethodMenu() { 2550 synchronized (mMethodMap) { 2551 hideInputMethodMenuLocked(); 2552 } 2553 } 2554 2555 void hideInputMethodMenuLocked() { 2556 if (DEBUG) Slog.v(TAG, "Hide switching menu"); 2557 2558 if (mSwitchingDialog != null) { 2559 mSwitchingDialog.dismiss(); 2560 mSwitchingDialog = null; 2561 } 2562 2563 mDialogBuilder = null; 2564 mIms = null; 2565 } 2566 2567 // ---------------------------------------------------------------------- 2568 2569 @Override 2570 public boolean setInputMethodEnabled(String id, boolean enabled) { 2571 synchronized (mMethodMap) { 2572 if (mContext.checkCallingOrSelfPermission( 2573 android.Manifest.permission.WRITE_SECURE_SETTINGS) 2574 != PackageManager.PERMISSION_GRANTED) { 2575 throw new SecurityException( 2576 "Requires permission " 2577 + android.Manifest.permission.WRITE_SECURE_SETTINGS); 2578 } 2579 2580 long ident = Binder.clearCallingIdentity(); 2581 try { 2582 return setInputMethodEnabledLocked(id, enabled); 2583 } finally { 2584 Binder.restoreCallingIdentity(ident); 2585 } 2586 } 2587 } 2588 2589 boolean setInputMethodEnabledLocked(String id, boolean enabled) { 2590 // Make sure this is a valid input method. 2591 InputMethodInfo imm = mMethodMap.get(id); 2592 if (imm == null) { 2593 throw new IllegalArgumentException("Unknown id: " + mCurMethodId); 2594 } 2595 2596 List<Pair<String, ArrayList<String>>> enabledInputMethodsList = mSettings 2597 .getEnabledInputMethodsAndSubtypeListLocked(); 2598 2599 if (enabled) { 2600 for (Pair<String, ArrayList<String>> pair: enabledInputMethodsList) { 2601 if (pair.first.equals(id)) { 2602 // We are enabling this input method, but it is already enabled. 2603 // Nothing to do. The previous state was enabled. 2604 return true; 2605 } 2606 } 2607 mSettings.appendAndPutEnabledInputMethodLocked(id, false); 2608 // Previous state was disabled. 2609 return false; 2610 } else { 2611 StringBuilder builder = new StringBuilder(); 2612 if (mSettings.buildAndPutEnabledInputMethodsStrRemovingIdLocked( 2613 builder, enabledInputMethodsList, id)) { 2614 // Disabled input method is currently selected, switch to another one. 2615 String selId = Settings.Secure.getString(mContext.getContentResolver(), 2616 Settings.Secure.DEFAULT_INPUT_METHOD); 2617 if (id.equals(selId) && !chooseNewDefaultIMELocked()) { 2618 Slog.i(TAG, "Can't find new IME, unsetting the current input method."); 2619 resetSelectedInputMethodAndSubtypeLocked(""); 2620 } 2621 // Previous state was enabled. 2622 return true; 2623 } else { 2624 // We are disabling the input method but it is already disabled. 2625 // Nothing to do. The previous state was disabled. 2626 return false; 2627 } 2628 } 2629 } 2630 2631 private boolean canAddToLastInputMethod(InputMethodSubtype subtype) { 2632 if (subtype == null) return true; 2633 return !subtype.isAuxiliary(); 2634 } 2635 2636 private void saveCurrentInputMethodAndSubtypeToHistory() { 2637 String subtypeId = NOT_A_SUBTYPE_ID_STR; 2638 if (mCurrentSubtype != null) { 2639 subtypeId = String.valueOf(mCurrentSubtype.hashCode()); 2640 } 2641 if (canAddToLastInputMethod(mCurrentSubtype)) { 2642 mSettings.addSubtypeToHistory(mCurMethodId, subtypeId); 2643 } 2644 } 2645 2646 private void setSelectedInputMethodAndSubtypeLocked(InputMethodInfo imi, int subtypeId, 2647 boolean setSubtypeOnly) { 2648 // Update the history of InputMethod and Subtype 2649 saveCurrentInputMethodAndSubtypeToHistory(); 2650 2651 // Set Subtype here 2652 if (imi == null || subtypeId < 0) { 2653 mSettings.putSelectedSubtype(NOT_A_SUBTYPE_ID); 2654 mCurrentSubtype = null; 2655 } else { 2656 if (subtypeId < imi.getSubtypeCount()) { 2657 InputMethodSubtype subtype = imi.getSubtypeAt(subtypeId); 2658 mSettings.putSelectedSubtype(subtype.hashCode()); 2659 mCurrentSubtype = subtype; 2660 } else { 2661 mSettings.putSelectedSubtype(NOT_A_SUBTYPE_ID); 2662 // If the subtype is not specified, choose the most applicable one 2663 mCurrentSubtype = getCurrentInputMethodSubtype(); 2664 } 2665 } 2666 2667 if (!setSubtypeOnly) { 2668 // Set InputMethod here 2669 mSettings.putSelectedInputMethod(imi != null ? imi.getId() : ""); 2670 } 2671 } 2672 2673 private void resetSelectedInputMethodAndSubtypeLocked(String newDefaultIme) { 2674 InputMethodInfo imi = mMethodMap.get(newDefaultIme); 2675 int lastSubtypeId = NOT_A_SUBTYPE_ID; 2676 // newDefaultIme is empty when there is no candidate for the selected IME. 2677 if (imi != null && !TextUtils.isEmpty(newDefaultIme)) { 2678 String subtypeHashCode = mSettings.getLastSubtypeForInputMethodLocked(newDefaultIme); 2679 if (subtypeHashCode != null) { 2680 try { 2681 lastSubtypeId = getSubtypeIdFromHashCode( 2682 imi, Integer.valueOf(subtypeHashCode)); 2683 } catch (NumberFormatException e) { 2684 Slog.w(TAG, "HashCode for subtype looks broken: " + subtypeHashCode, e); 2685 } 2686 } 2687 } 2688 setSelectedInputMethodAndSubtypeLocked(imi, lastSubtypeId, false); 2689 } 2690 2691 private int getSelectedInputMethodSubtypeId(String id) { 2692 InputMethodInfo imi = mMethodMap.get(id); 2693 if (imi == null) { 2694 return NOT_A_SUBTYPE_ID; 2695 } 2696 int subtypeId; 2697 try { 2698 subtypeId = Settings.Secure.getInt(mContext.getContentResolver(), 2699 Settings.Secure.SELECTED_INPUT_METHOD_SUBTYPE); 2700 } catch (SettingNotFoundException e) { 2701 return NOT_A_SUBTYPE_ID; 2702 } 2703 return getSubtypeIdFromHashCode(imi, subtypeId); 2704 } 2705 2706 private static boolean isValidSubtypeId(InputMethodInfo imi, int subtypeHashCode) { 2707 return getSubtypeIdFromHashCode(imi, subtypeHashCode) != NOT_A_SUBTYPE_ID; 2708 } 2709 2710 private static int getSubtypeIdFromHashCode(InputMethodInfo imi, int subtypeHashCode) { 2711 if (imi != null) { 2712 final int subtypeCount = imi.getSubtypeCount(); 2713 for (int i = 0; i < subtypeCount; ++i) { 2714 InputMethodSubtype ims = imi.getSubtypeAt(i); 2715 if (subtypeHashCode == ims.hashCode()) { 2716 return i; 2717 } 2718 } 2719 } 2720 return NOT_A_SUBTYPE_ID; 2721 } 2722 2723 private static ArrayList<InputMethodSubtype> getImplicitlyApplicableSubtypesLocked( 2724 Resources res, InputMethodInfo imi) { 2725 final List<InputMethodSubtype> subtypes = getSubtypes(imi); 2726 final String systemLocale = res.getConfiguration().locale.toString(); 2727 if (TextUtils.isEmpty(systemLocale)) return new ArrayList<InputMethodSubtype>(); 2728 final HashMap<String, InputMethodSubtype> applicableModeAndSubtypesMap = 2729 new HashMap<String, InputMethodSubtype>(); 2730 final int N = subtypes.size(); 2731 for (int i = 0; i < N; ++i) { 2732 // scan overriding implicitly enabled subtypes. 2733 InputMethodSubtype subtype = subtypes.get(i); 2734 if (subtype.overridesImplicitlyEnabledSubtype()) { 2735 final String mode = subtype.getMode(); 2736 if (!applicableModeAndSubtypesMap.containsKey(mode)) { 2737 applicableModeAndSubtypesMap.put(mode, subtype); 2738 } 2739 } 2740 } 2741 if (applicableModeAndSubtypesMap.size() > 0) { 2742 return new ArrayList<InputMethodSubtype>(applicableModeAndSubtypesMap.values()); 2743 } 2744 for (int i = 0; i < N; ++i) { 2745 final InputMethodSubtype subtype = subtypes.get(i); 2746 final String locale = subtype.getLocale(); 2747 final String mode = subtype.getMode(); 2748 // When system locale starts with subtype's locale, that subtype will be applicable 2749 // for system locale 2750 // For instance, it's clearly applicable for cases like system locale = en_US and 2751 // subtype = en, but it is not necessarily considered applicable for cases like system 2752 // locale = en and subtype = en_US. 2753 // We just call systemLocale.startsWith(locale) in this function because there is no 2754 // need to find applicable subtypes aggressively unlike 2755 // findLastResortApplicableSubtypeLocked. 2756 if (systemLocale.startsWith(locale)) { 2757 final InputMethodSubtype applicableSubtype = applicableModeAndSubtypesMap.get(mode); 2758 // If more applicable subtypes are contained, skip. 2759 if (applicableSubtype != null) { 2760 if (systemLocale.equals(applicableSubtype.getLocale())) continue; 2761 if (!systemLocale.equals(locale)) continue; 2762 } 2763 applicableModeAndSubtypesMap.put(mode, subtype); 2764 } 2765 } 2766 final InputMethodSubtype keyboardSubtype 2767 = applicableModeAndSubtypesMap.get(SUBTYPE_MODE_KEYBOARD); 2768 final ArrayList<InputMethodSubtype> applicableSubtypes = new ArrayList<InputMethodSubtype>( 2769 applicableModeAndSubtypesMap.values()); 2770 if (keyboardSubtype != null && !keyboardSubtype.containsExtraValueKey(TAG_ASCII_CAPABLE)) { 2771 for (int i = 0; i < N; ++i) { 2772 final InputMethodSubtype subtype = subtypes.get(i); 2773 final String mode = subtype.getMode(); 2774 if (SUBTYPE_MODE_KEYBOARD.equals(mode) && subtype.containsExtraValueKey( 2775 TAG_ENABLED_WHEN_DEFAULT_IS_NOT_ASCII_CAPABLE)) { 2776 applicableSubtypes.add(subtype); 2777 } 2778 } 2779 } 2780 if (keyboardSubtype == null) { 2781 InputMethodSubtype lastResortKeyboardSubtype = findLastResortApplicableSubtypeLocked( 2782 res, subtypes, SUBTYPE_MODE_KEYBOARD, systemLocale, true); 2783 if (lastResortKeyboardSubtype != null) { 2784 applicableSubtypes.add(lastResortKeyboardSubtype); 2785 } 2786 } 2787 return applicableSubtypes; 2788 } 2789 2790 /** 2791 * If there are no selected subtypes, tries finding the most applicable one according to the 2792 * given locale. 2793 * @param subtypes this function will search the most applicable subtype in subtypes 2794 * @param mode subtypes will be filtered by mode 2795 * @param locale subtypes will be filtered by locale 2796 * @param canIgnoreLocaleAsLastResort if this function can't find the most applicable subtype, 2797 * it will return the first subtype matched with mode 2798 * @return the most applicable subtypeId 2799 */ 2800 private static InputMethodSubtype findLastResortApplicableSubtypeLocked( 2801 Resources res, List<InputMethodSubtype> subtypes, String mode, String locale, 2802 boolean canIgnoreLocaleAsLastResort) { 2803 if (subtypes == null || subtypes.size() == 0) { 2804 return null; 2805 } 2806 if (TextUtils.isEmpty(locale)) { 2807 locale = res.getConfiguration().locale.toString(); 2808 } 2809 final String language = locale.substring(0, 2); 2810 boolean partialMatchFound = false; 2811 InputMethodSubtype applicableSubtype = null; 2812 InputMethodSubtype firstMatchedModeSubtype = null; 2813 final int N = subtypes.size(); 2814 for (int i = 0; i < N; ++i) { 2815 InputMethodSubtype subtype = subtypes.get(i); 2816 final String subtypeLocale = subtype.getLocale(); 2817 // An applicable subtype should match "mode". If mode is null, mode will be ignored, 2818 // and all subtypes with all modes can be candidates. 2819 if (mode == null || subtypes.get(i).getMode().equalsIgnoreCase(mode)) { 2820 if (firstMatchedModeSubtype == null) { 2821 firstMatchedModeSubtype = subtype; 2822 } 2823 if (locale.equals(subtypeLocale)) { 2824 // Exact match (e.g. system locale is "en_US" and subtype locale is "en_US") 2825 applicableSubtype = subtype; 2826 break; 2827 } else if (!partialMatchFound && subtypeLocale.startsWith(language)) { 2828 // Partial match (e.g. system locale is "en_US" and subtype locale is "en") 2829 applicableSubtype = subtype; 2830 partialMatchFound = true; 2831 } 2832 } 2833 } 2834 2835 if (applicableSubtype == null && canIgnoreLocaleAsLastResort) { 2836 return firstMatchedModeSubtype; 2837 } 2838 2839 // The first subtype applicable to the system locale will be defined as the most applicable 2840 // subtype. 2841 if (DEBUG) { 2842 if (applicableSubtype != null) { 2843 Slog.d(TAG, "Applicable InputMethodSubtype was found: " 2844 + applicableSubtype.getMode() + "," + applicableSubtype.getLocale()); 2845 } 2846 } 2847 return applicableSubtype; 2848 } 2849 2850 // If there are no selected shortcuts, tries finding the most applicable ones. 2851 private Pair<InputMethodInfo, InputMethodSubtype> 2852 findLastResortApplicableShortcutInputMethodAndSubtypeLocked(String mode) { 2853 List<InputMethodInfo> imis = mSettings.getEnabledInputMethodListLocked(); 2854 InputMethodInfo mostApplicableIMI = null; 2855 InputMethodSubtype mostApplicableSubtype = null; 2856 boolean foundInSystemIME = false; 2857 2858 // Search applicable subtype for each InputMethodInfo 2859 for (InputMethodInfo imi: imis) { 2860 final String imiId = imi.getId(); 2861 if (foundInSystemIME && !imiId.equals(mCurMethodId)) { 2862 continue; 2863 } 2864 InputMethodSubtype subtype = null; 2865 final List<InputMethodSubtype> enabledSubtypes = 2866 getEnabledInputMethodSubtypeList(imi, true); 2867 // 1. Search by the current subtype's locale from enabledSubtypes. 2868 if (mCurrentSubtype != null) { 2869 subtype = findLastResortApplicableSubtypeLocked( 2870 mRes, enabledSubtypes, mode, mCurrentSubtype.getLocale(), false); 2871 } 2872 // 2. Search by the system locale from enabledSubtypes. 2873 // 3. Search the first enabled subtype matched with mode from enabledSubtypes. 2874 if (subtype == null) { 2875 subtype = findLastResortApplicableSubtypeLocked( 2876 mRes, enabledSubtypes, mode, null, true); 2877 } 2878 final ArrayList<InputMethodSubtype> overridingImplicitlyEnabledSubtypes = 2879 getOverridingImplicitlyEnabledSubtypes(imi, mode); 2880 final ArrayList<InputMethodSubtype> subtypesForSearch = 2881 overridingImplicitlyEnabledSubtypes.isEmpty() 2882 ? getSubtypes(imi) : overridingImplicitlyEnabledSubtypes; 2883 // 4. Search by the current subtype's locale from all subtypes. 2884 if (subtype == null && mCurrentSubtype != null) { 2885 subtype = findLastResortApplicableSubtypeLocked( 2886 mRes, subtypesForSearch, mode, mCurrentSubtype.getLocale(), false); 2887 } 2888 // 5. Search by the system locale from all subtypes. 2889 // 6. Search the first enabled subtype matched with mode from all subtypes. 2890 if (subtype == null) { 2891 subtype = findLastResortApplicableSubtypeLocked( 2892 mRes, subtypesForSearch, mode, null, true); 2893 } 2894 if (subtype != null) { 2895 if (imiId.equals(mCurMethodId)) { 2896 // The current input method is the most applicable IME. 2897 mostApplicableIMI = imi; 2898 mostApplicableSubtype = subtype; 2899 break; 2900 } else if (!foundInSystemIME) { 2901 // The system input method is 2nd applicable IME. 2902 mostApplicableIMI = imi; 2903 mostApplicableSubtype = subtype; 2904 if ((imi.getServiceInfo().applicationInfo.flags 2905 & ApplicationInfo.FLAG_SYSTEM) != 0) { 2906 foundInSystemIME = true; 2907 } 2908 } 2909 } 2910 } 2911 if (DEBUG) { 2912 if (mostApplicableIMI != null) { 2913 Slog.w(TAG, "Most applicable shortcut input method was:" 2914 + mostApplicableIMI.getId()); 2915 if (mostApplicableSubtype != null) { 2916 Slog.w(TAG, "Most applicable shortcut input method subtype was:" 2917 + "," + mostApplicableSubtype.getMode() + "," 2918 + mostApplicableSubtype.getLocale()); 2919 } 2920 } 2921 } 2922 if (mostApplicableIMI != null) { 2923 return new Pair<InputMethodInfo, InputMethodSubtype> (mostApplicableIMI, 2924 mostApplicableSubtype); 2925 } else { 2926 return null; 2927 } 2928 } 2929 2930 /** 2931 * @return Return the current subtype of this input method. 2932 */ 2933 @Override 2934 public InputMethodSubtype getCurrentInputMethodSubtype() { 2935 if (mCurMethodId == null) { 2936 return null; 2937 } 2938 boolean subtypeIsSelected = false; 2939 try { 2940 subtypeIsSelected = Settings.Secure.getInt(mContext.getContentResolver(), 2941 Settings.Secure.SELECTED_INPUT_METHOD_SUBTYPE) != NOT_A_SUBTYPE_ID; 2942 } catch (SettingNotFoundException e) { 2943 } 2944 synchronized (mMethodMap) { 2945 final InputMethodInfo imi = mMethodMap.get(mCurMethodId); 2946 if (imi == null || imi.getSubtypeCount() == 0) { 2947 return null; 2948 } 2949 if (!subtypeIsSelected || mCurrentSubtype == null 2950 || !isValidSubtypeId(imi, mCurrentSubtype.hashCode())) { 2951 int subtypeId = getSelectedInputMethodSubtypeId(mCurMethodId); 2952 if (subtypeId == NOT_A_SUBTYPE_ID) { 2953 // If there are no selected subtypes, the framework will try to find 2954 // the most applicable subtype from explicitly or implicitly enabled 2955 // subtypes. 2956 List<InputMethodSubtype> explicitlyOrImplicitlyEnabledSubtypes = 2957 getEnabledInputMethodSubtypeList(imi, true); 2958 // If there is only one explicitly or implicitly enabled subtype, 2959 // just returns it. 2960 if (explicitlyOrImplicitlyEnabledSubtypes.size() == 1) { 2961 mCurrentSubtype = explicitlyOrImplicitlyEnabledSubtypes.get(0); 2962 } else if (explicitlyOrImplicitlyEnabledSubtypes.size() > 1) { 2963 mCurrentSubtype = findLastResortApplicableSubtypeLocked( 2964 mRes, explicitlyOrImplicitlyEnabledSubtypes, 2965 SUBTYPE_MODE_KEYBOARD, null, true); 2966 if (mCurrentSubtype == null) { 2967 mCurrentSubtype = findLastResortApplicableSubtypeLocked( 2968 mRes, explicitlyOrImplicitlyEnabledSubtypes, null, null, 2969 true); 2970 } 2971 } 2972 } else { 2973 mCurrentSubtype = getSubtypes(imi).get(subtypeId); 2974 } 2975 } 2976 return mCurrentSubtype; 2977 } 2978 } 2979 2980 private void addShortcutInputMethodAndSubtypes(InputMethodInfo imi, 2981 InputMethodSubtype subtype) { 2982 if (mShortcutInputMethodsAndSubtypes.containsKey(imi)) { 2983 mShortcutInputMethodsAndSubtypes.get(imi).add(subtype); 2984 } else { 2985 ArrayList<InputMethodSubtype> subtypes = new ArrayList<InputMethodSubtype>(); 2986 subtypes.add(subtype); 2987 mShortcutInputMethodsAndSubtypes.put(imi, subtypes); 2988 } 2989 } 2990 2991 // TODO: We should change the return type from List to List<Parcelable> 2992 @SuppressWarnings("rawtypes") 2993 @Override 2994 public List getShortcutInputMethodsAndSubtypes() { 2995 synchronized (mMethodMap) { 2996 ArrayList<Object> ret = new ArrayList<Object>(); 2997 if (mShortcutInputMethodsAndSubtypes.size() == 0) { 2998 // If there are no selected shortcut subtypes, the framework will try to find 2999 // the most applicable subtype from all subtypes whose mode is 3000 // SUBTYPE_MODE_VOICE. This is an exceptional case, so we will hardcode the mode. 3001 Pair<InputMethodInfo, InputMethodSubtype> info = 3002 findLastResortApplicableShortcutInputMethodAndSubtypeLocked( 3003 SUBTYPE_MODE_VOICE); 3004 if (info != null) { 3005 ret.add(info.first); 3006 ret.add(info.second); 3007 } 3008 return ret; 3009 } 3010 for (InputMethodInfo imi: mShortcutInputMethodsAndSubtypes.keySet()) { 3011 ret.add(imi); 3012 for (InputMethodSubtype subtype: mShortcutInputMethodsAndSubtypes.get(imi)) { 3013 ret.add(subtype); 3014 } 3015 } 3016 return ret; 3017 } 3018 } 3019 3020 @Override 3021 public boolean setCurrentInputMethodSubtype(InputMethodSubtype subtype) { 3022 synchronized (mMethodMap) { 3023 if (subtype != null && mCurMethodId != null) { 3024 InputMethodInfo imi = mMethodMap.get(mCurMethodId); 3025 int subtypeId = getSubtypeIdFromHashCode(imi, subtype.hashCode()); 3026 if (subtypeId != NOT_A_SUBTYPE_ID) { 3027 setInputMethodLocked(mCurMethodId, subtypeId); 3028 return true; 3029 } 3030 } 3031 return false; 3032 } 3033 } 3034 3035 private static class InputMethodAndSubtypeListManager { 3036 private final Context mContext; 3037 private final PackageManager mPm; 3038 private final InputMethodManagerService mImms; 3039 private final String mSystemLocaleStr; 3040 public InputMethodAndSubtypeListManager(Context context, InputMethodManagerService imms) { 3041 mContext = context; 3042 mPm = context.getPackageManager(); 3043 mImms = imms; 3044 final Locale locale = context.getResources().getConfiguration().locale; 3045 mSystemLocaleStr = locale != null ? locale.toString() : ""; 3046 } 3047 3048 private final TreeMap<InputMethodInfo, List<InputMethodSubtype>> mSortedImmis = 3049 new TreeMap<InputMethodInfo, List<InputMethodSubtype>>( 3050 new Comparator<InputMethodInfo>() { 3051 @Override 3052 public int compare(InputMethodInfo imi1, InputMethodInfo imi2) { 3053 if (imi2 == null) return 0; 3054 if (imi1 == null) return 1; 3055 if (mPm == null) { 3056 return imi1.getId().compareTo(imi2.getId()); 3057 } 3058 CharSequence imiId1 = imi1.loadLabel(mPm) + "/" + imi1.getId(); 3059 CharSequence imiId2 = imi2.loadLabel(mPm) + "/" + imi2.getId(); 3060 return imiId1.toString().compareTo(imiId2.toString()); 3061 } 3062 }); 3063 3064 public ImeSubtypeListItem getNextInputMethod( 3065 boolean onlyCurrentIme, InputMethodInfo imi, InputMethodSubtype subtype) { 3066 if (imi == null) { 3067 return null; 3068 } 3069 final List<ImeSubtypeListItem> imList = getSortedInputMethodAndSubtypeList(); 3070 if (imList.size() <= 1) { 3071 return null; 3072 } 3073 final int N = imList.size(); 3074 final int currentSubtypeId = subtype != null 3075 ? getSubtypeIdFromHashCode(imi, subtype.hashCode()) 3076 : NOT_A_SUBTYPE_ID; 3077 for (int i = 0; i < N; ++i) { 3078 final ImeSubtypeListItem isli = imList.get(i); 3079 if (isli.mImi.equals(imi) && isli.mSubtypeId == currentSubtypeId) { 3080 if (!onlyCurrentIme) { 3081 return imList.get((i + 1) % N); 3082 } 3083 for (int j = 0; j < N - 1; ++j) { 3084 final ImeSubtypeListItem candidate = imList.get((i + j + 1) % N); 3085 if (candidate.mImi.equals(imi)) { 3086 return candidate; 3087 } 3088 } 3089 return null; 3090 } 3091 } 3092 return null; 3093 } 3094 3095 public List<ImeSubtypeListItem> getSortedInputMethodAndSubtypeList() { 3096 return getSortedInputMethodAndSubtypeList(true, false, false); 3097 } 3098 3099 public List<ImeSubtypeListItem> getSortedInputMethodAndSubtypeList(boolean showSubtypes, 3100 boolean inputShown, boolean isScreenLocked) { 3101 final ArrayList<ImeSubtypeListItem> imList = new ArrayList<ImeSubtypeListItem>(); 3102 final HashMap<InputMethodInfo, List<InputMethodSubtype>> immis = 3103 mImms.getExplicitlyOrImplicitlyEnabledInputMethodsAndSubtypeListLocked(); 3104 if (immis == null || immis.size() == 0) { 3105 return Collections.emptyList(); 3106 } 3107 mSortedImmis.clear(); 3108 mSortedImmis.putAll(immis); 3109 for (InputMethodInfo imi : mSortedImmis.keySet()) { 3110 if (imi == null) continue; 3111 List<InputMethodSubtype> explicitlyOrImplicitlyEnabledSubtypeList = immis.get(imi); 3112 HashSet<String> enabledSubtypeSet = new HashSet<String>(); 3113 for (InputMethodSubtype subtype: explicitlyOrImplicitlyEnabledSubtypeList) { 3114 enabledSubtypeSet.add(String.valueOf(subtype.hashCode())); 3115 } 3116 ArrayList<InputMethodSubtype> subtypes = getSubtypes(imi); 3117 final CharSequence imeLabel = imi.loadLabel(mPm); 3118 if (showSubtypes && enabledSubtypeSet.size() > 0) { 3119 final int subtypeCount = imi.getSubtypeCount(); 3120 if (DEBUG) { 3121 Slog.v(TAG, "Add subtypes: " + subtypeCount + ", " + imi.getId()); 3122 } 3123 for (int j = 0; j < subtypeCount; ++j) { 3124 final InputMethodSubtype subtype = imi.getSubtypeAt(j); 3125 final String subtypeHashCode = String.valueOf(subtype.hashCode()); 3126 // We show all enabled IMEs and subtypes when an IME is shown. 3127 if (enabledSubtypeSet.contains(subtypeHashCode) 3128 && ((inputShown && !isScreenLocked) || !subtype.isAuxiliary())) { 3129 final CharSequence subtypeLabel = 3130 subtype.overridesImplicitlyEnabledSubtype() ? null 3131 : subtype.getDisplayName(mContext, imi.getPackageName(), 3132 imi.getServiceInfo().applicationInfo); 3133 imList.add(new ImeSubtypeListItem(imeLabel, subtypeLabel, imi, j, 3134 subtype.getLocale(), mSystemLocaleStr)); 3135 3136 // Removing this subtype from enabledSubtypeSet because we no longer 3137 // need to add an entry of this subtype to imList to avoid duplicated 3138 // entries. 3139 enabledSubtypeSet.remove(subtypeHashCode); 3140 } 3141 } 3142 } else { 3143 imList.add(new ImeSubtypeListItem(imeLabel, null, imi, NOT_A_SUBTYPE_ID, 3144 null, mSystemLocaleStr)); 3145 } 3146 } 3147 Collections.sort(imList); 3148 return imList; 3149 } 3150 } 3151 3152 /** 3153 * Utility class for putting and getting settings for InputMethod 3154 * TODO: Move all putters and getters of settings to this class. 3155 */ 3156 private static class InputMethodSettings { 3157 // The string for enabled input method is saved as follows: 3158 // example: ("ime0;subtype0;subtype1;subtype2:ime1:ime2;subtype0") 3159 private static final char INPUT_METHOD_SEPARATER = ':'; 3160 private static final char INPUT_METHOD_SUBTYPE_SEPARATER = ';'; 3161 private final TextUtils.SimpleStringSplitter mInputMethodSplitter = 3162 new TextUtils.SimpleStringSplitter(INPUT_METHOD_SEPARATER); 3163 3164 private final TextUtils.SimpleStringSplitter mSubtypeSplitter = 3165 new TextUtils.SimpleStringSplitter(INPUT_METHOD_SUBTYPE_SEPARATER); 3166 3167 private final Resources mRes; 3168 private final ContentResolver mResolver; 3169 private final HashMap<String, InputMethodInfo> mMethodMap; 3170 private final ArrayList<InputMethodInfo> mMethodList; 3171 3172 private String mEnabledInputMethodsStrCache; 3173 3174 private static void buildEnabledInputMethodsSettingString( 3175 StringBuilder builder, Pair<String, ArrayList<String>> pair) { 3176 String id = pair.first; 3177 ArrayList<String> subtypes = pair.second; 3178 builder.append(id); 3179 // Inputmethod and subtypes are saved in the settings as follows: 3180 // ime0;subtype0;subtype1:ime1;subtype0:ime2:ime3;subtype0;subtype1 3181 for (String subtypeId: subtypes) { 3182 builder.append(INPUT_METHOD_SUBTYPE_SEPARATER).append(subtypeId); 3183 } 3184 } 3185 3186 public InputMethodSettings( 3187 Resources res, ContentResolver resolver, 3188 HashMap<String, InputMethodInfo> methodMap, ArrayList<InputMethodInfo> methodList) { 3189 mRes = res; 3190 mResolver = resolver; 3191 mMethodMap = methodMap; 3192 mMethodList = methodList; 3193 } 3194 3195 public List<InputMethodInfo> getEnabledInputMethodListLocked() { 3196 return createEnabledInputMethodListLocked( 3197 getEnabledInputMethodsAndSubtypeListLocked()); 3198 } 3199 3200 public List<Pair<InputMethodInfo, ArrayList<String>>> 3201 getEnabledInputMethodAndSubtypeHashCodeListLocked() { 3202 return createEnabledInputMethodAndSubtypeHashCodeListLocked( 3203 getEnabledInputMethodsAndSubtypeListLocked()); 3204 } 3205 3206 public List<InputMethodSubtype> getEnabledInputMethodSubtypeListLocked( 3207 InputMethodInfo imi) { 3208 List<Pair<String, ArrayList<String>>> imsList = 3209 getEnabledInputMethodsAndSubtypeListLocked(); 3210 ArrayList<InputMethodSubtype> enabledSubtypes = 3211 new ArrayList<InputMethodSubtype>(); 3212 if (imi != null) { 3213 for (Pair<String, ArrayList<String>> imsPair : imsList) { 3214 InputMethodInfo info = mMethodMap.get(imsPair.first); 3215 if (info != null && info.getId().equals(imi.getId())) { 3216 final int subtypeCount = info.getSubtypeCount(); 3217 for (int i = 0; i < subtypeCount; ++i) { 3218 InputMethodSubtype ims = info.getSubtypeAt(i); 3219 for (String s: imsPair.second) { 3220 if (String.valueOf(ims.hashCode()).equals(s)) { 3221 enabledSubtypes.add(ims); 3222 } 3223 } 3224 } 3225 break; 3226 } 3227 } 3228 } 3229 return enabledSubtypes; 3230 } 3231 3232 // At the initial boot, the settings for input methods are not set, 3233 // so we need to enable IME in that case. 3234 public void enableAllIMEsIfThereIsNoEnabledIME() { 3235 if (TextUtils.isEmpty(getEnabledInputMethodsStr())) { 3236 StringBuilder sb = new StringBuilder(); 3237 final int N = mMethodList.size(); 3238 for (int i = 0; i < N; i++) { 3239 InputMethodInfo imi = mMethodList.get(i); 3240 Slog.i(TAG, "Adding: " + imi.getId()); 3241 if (i > 0) sb.append(':'); 3242 sb.append(imi.getId()); 3243 } 3244 putEnabledInputMethodsStr(sb.toString()); 3245 } 3246 } 3247 3248 private List<Pair<String, ArrayList<String>>> getEnabledInputMethodsAndSubtypeListLocked() { 3249 ArrayList<Pair<String, ArrayList<String>>> imsList 3250 = new ArrayList<Pair<String, ArrayList<String>>>(); 3251 final String enabledInputMethodsStr = getEnabledInputMethodsStr(); 3252 if (TextUtils.isEmpty(enabledInputMethodsStr)) { 3253 return imsList; 3254 } 3255 mInputMethodSplitter.setString(enabledInputMethodsStr); 3256 while (mInputMethodSplitter.hasNext()) { 3257 String nextImsStr = mInputMethodSplitter.next(); 3258 mSubtypeSplitter.setString(nextImsStr); 3259 if (mSubtypeSplitter.hasNext()) { 3260 ArrayList<String> subtypeHashes = new ArrayList<String>(); 3261 // The first element is ime id. 3262 String imeId = mSubtypeSplitter.next(); 3263 while (mSubtypeSplitter.hasNext()) { 3264 subtypeHashes.add(mSubtypeSplitter.next()); 3265 } 3266 imsList.add(new Pair<String, ArrayList<String>>(imeId, subtypeHashes)); 3267 } 3268 } 3269 return imsList; 3270 } 3271 3272 public void appendAndPutEnabledInputMethodLocked(String id, boolean reloadInputMethodStr) { 3273 if (reloadInputMethodStr) { 3274 getEnabledInputMethodsStr(); 3275 } 3276 if (TextUtils.isEmpty(mEnabledInputMethodsStrCache)) { 3277 // Add in the newly enabled input method. 3278 putEnabledInputMethodsStr(id); 3279 } else { 3280 putEnabledInputMethodsStr( 3281 mEnabledInputMethodsStrCache + INPUT_METHOD_SEPARATER + id); 3282 } 3283 } 3284 3285 /** 3286 * Build and put a string of EnabledInputMethods with removing specified Id. 3287 * @return the specified id was removed or not. 3288 */ 3289 public boolean buildAndPutEnabledInputMethodsStrRemovingIdLocked( 3290 StringBuilder builder, List<Pair<String, ArrayList<String>>> imsList, String id) { 3291 boolean isRemoved = false; 3292 boolean needsAppendSeparator = false; 3293 for (Pair<String, ArrayList<String>> ims: imsList) { 3294 String curId = ims.first; 3295 if (curId.equals(id)) { 3296 // We are disabling this input method, and it is 3297 // currently enabled. Skip it to remove from the 3298 // new list. 3299 isRemoved = true; 3300 } else { 3301 if (needsAppendSeparator) { 3302 builder.append(INPUT_METHOD_SEPARATER); 3303 } else { 3304 needsAppendSeparator = true; 3305 } 3306 buildEnabledInputMethodsSettingString(builder, ims); 3307 } 3308 } 3309 if (isRemoved) { 3310 // Update the setting with the new list of input methods. 3311 putEnabledInputMethodsStr(builder.toString()); 3312 } 3313 return isRemoved; 3314 } 3315 3316 private List<InputMethodInfo> createEnabledInputMethodListLocked( 3317 List<Pair<String, ArrayList<String>>> imsList) { 3318 final ArrayList<InputMethodInfo> res = new ArrayList<InputMethodInfo>(); 3319 for (Pair<String, ArrayList<String>> ims: imsList) { 3320 InputMethodInfo info = mMethodMap.get(ims.first); 3321 if (info != null) { 3322 res.add(info); 3323 } 3324 } 3325 return res; 3326 } 3327 3328 private List<Pair<InputMethodInfo, ArrayList<String>>> 3329 createEnabledInputMethodAndSubtypeHashCodeListLocked( 3330 List<Pair<String, ArrayList<String>>> imsList) { 3331 final ArrayList<Pair<InputMethodInfo, ArrayList<String>>> res 3332 = new ArrayList<Pair<InputMethodInfo, ArrayList<String>>>(); 3333 for (Pair<String, ArrayList<String>> ims : imsList) { 3334 InputMethodInfo info = mMethodMap.get(ims.first); 3335 if (info != null) { 3336 res.add(new Pair<InputMethodInfo, ArrayList<String>>(info, ims.second)); 3337 } 3338 } 3339 return res; 3340 } 3341 3342 private void putEnabledInputMethodsStr(String str) { 3343 Settings.Secure.putString(mResolver, Settings.Secure.ENABLED_INPUT_METHODS, str); 3344 mEnabledInputMethodsStrCache = str; 3345 } 3346 3347 private String getEnabledInputMethodsStr() { 3348 mEnabledInputMethodsStrCache = Settings.Secure.getString( 3349 mResolver, Settings.Secure.ENABLED_INPUT_METHODS); 3350 if (DEBUG) { 3351 Slog.d(TAG, "getEnabledInputMethodsStr: " + mEnabledInputMethodsStrCache); 3352 } 3353 return mEnabledInputMethodsStrCache; 3354 } 3355 3356 private void saveSubtypeHistory( 3357 List<Pair<String, String>> savedImes, String newImeId, String newSubtypeId) { 3358 StringBuilder builder = new StringBuilder(); 3359 boolean isImeAdded = false; 3360 if (!TextUtils.isEmpty(newImeId) && !TextUtils.isEmpty(newSubtypeId)) { 3361 builder.append(newImeId).append(INPUT_METHOD_SUBTYPE_SEPARATER).append( 3362 newSubtypeId); 3363 isImeAdded = true; 3364 } 3365 for (Pair<String, String> ime: savedImes) { 3366 String imeId = ime.first; 3367 String subtypeId = ime.second; 3368 if (TextUtils.isEmpty(subtypeId)) { 3369 subtypeId = NOT_A_SUBTYPE_ID_STR; 3370 } 3371 if (isImeAdded) { 3372 builder.append(INPUT_METHOD_SEPARATER); 3373 } else { 3374 isImeAdded = true; 3375 } 3376 builder.append(imeId).append(INPUT_METHOD_SUBTYPE_SEPARATER).append( 3377 subtypeId); 3378 } 3379 // Remove the last INPUT_METHOD_SEPARATER 3380 putSubtypeHistoryStr(builder.toString()); 3381 } 3382 3383 public void addSubtypeToHistory(String imeId, String subtypeId) { 3384 List<Pair<String, String>> subtypeHistory = loadInputMethodAndSubtypeHistoryLocked(); 3385 for (Pair<String, String> ime: subtypeHistory) { 3386 if (ime.first.equals(imeId)) { 3387 if (DEBUG) { 3388 Slog.v(TAG, "Subtype found in the history: " + imeId + ", " 3389 + ime.second); 3390 } 3391 // We should break here 3392 subtypeHistory.remove(ime); 3393 break; 3394 } 3395 } 3396 if (DEBUG) { 3397 Slog.v(TAG, "Add subtype to the history: " + imeId + ", " + subtypeId); 3398 } 3399 saveSubtypeHistory(subtypeHistory, imeId, subtypeId); 3400 } 3401 3402 private void putSubtypeHistoryStr(String str) { 3403 if (DEBUG) { 3404 Slog.d(TAG, "putSubtypeHistoryStr: " + str); 3405 } 3406 Settings.Secure.putString( 3407 mResolver, Settings.Secure.INPUT_METHODS_SUBTYPE_HISTORY, str); 3408 } 3409 3410 public Pair<String, String> getLastInputMethodAndSubtypeLocked() { 3411 // Gets the first one from the history 3412 return getLastSubtypeForInputMethodLockedInternal(null); 3413 } 3414 3415 public String getLastSubtypeForInputMethodLocked(String imeId) { 3416 Pair<String, String> ime = getLastSubtypeForInputMethodLockedInternal(imeId); 3417 if (ime != null) { 3418 return ime.second; 3419 } else { 3420 return null; 3421 } 3422 } 3423 3424 private Pair<String, String> getLastSubtypeForInputMethodLockedInternal(String imeId) { 3425 List<Pair<String, ArrayList<String>>> enabledImes = 3426 getEnabledInputMethodsAndSubtypeListLocked(); 3427 List<Pair<String, String>> subtypeHistory = loadInputMethodAndSubtypeHistoryLocked(); 3428 for (Pair<String, String> imeAndSubtype : subtypeHistory) { 3429 final String imeInTheHistory = imeAndSubtype.first; 3430 // If imeId is empty, returns the first IME and subtype in the history 3431 if (TextUtils.isEmpty(imeId) || imeInTheHistory.equals(imeId)) { 3432 final String subtypeInTheHistory = imeAndSubtype.second; 3433 final String subtypeHashCode = 3434 getEnabledSubtypeHashCodeForInputMethodAndSubtypeLocked( 3435 enabledImes, imeInTheHistory, subtypeInTheHistory); 3436 if (!TextUtils.isEmpty(subtypeHashCode)) { 3437 if (DEBUG) { 3438 Slog.d(TAG, "Enabled subtype found in the history: " + subtypeHashCode); 3439 } 3440 return new Pair<String, String>(imeInTheHistory, subtypeHashCode); 3441 } 3442 } 3443 } 3444 if (DEBUG) { 3445 Slog.d(TAG, "No enabled IME found in the history"); 3446 } 3447 return null; 3448 } 3449 3450 private String getEnabledSubtypeHashCodeForInputMethodAndSubtypeLocked(List<Pair<String, 3451 ArrayList<String>>> enabledImes, String imeId, String subtypeHashCode) { 3452 for (Pair<String, ArrayList<String>> enabledIme: enabledImes) { 3453 if (enabledIme.first.equals(imeId)) { 3454 final ArrayList<String> explicitlyEnabledSubtypes = enabledIme.second; 3455 final InputMethodInfo imi = mMethodMap.get(imeId); 3456 if (explicitlyEnabledSubtypes.size() == 0) { 3457 // If there are no explicitly enabled subtypes, applicable subtypes are 3458 // enabled implicitly. 3459 // If IME is enabled and no subtypes are enabled, applicable subtypes 3460 // are enabled implicitly, so needs to treat them to be enabled. 3461 if (imi != null && imi.getSubtypeCount() > 0) { 3462 List<InputMethodSubtype> implicitlySelectedSubtypes = 3463 getImplicitlyApplicableSubtypesLocked(mRes, imi); 3464 if (implicitlySelectedSubtypes != null) { 3465 final int N = implicitlySelectedSubtypes.size(); 3466 for (int i = 0; i < N; ++i) { 3467 final InputMethodSubtype st = implicitlySelectedSubtypes.get(i); 3468 if (String.valueOf(st.hashCode()).equals(subtypeHashCode)) { 3469 return subtypeHashCode; 3470 } 3471 } 3472 } 3473 } 3474 } else { 3475 for (String s: explicitlyEnabledSubtypes) { 3476 if (s.equals(subtypeHashCode)) { 3477 // If both imeId and subtypeId are enabled, return subtypeId. 3478 try { 3479 final int hashCode = Integer.valueOf(subtypeHashCode); 3480 // Check whether the subtype id is valid or not 3481 if (isValidSubtypeId(imi, hashCode)) { 3482 return s; 3483 } else { 3484 return NOT_A_SUBTYPE_ID_STR; 3485 } 3486 } catch (NumberFormatException e) { 3487 return NOT_A_SUBTYPE_ID_STR; 3488 } 3489 } 3490 } 3491 } 3492 // If imeId was enabled but subtypeId was disabled. 3493 return NOT_A_SUBTYPE_ID_STR; 3494 } 3495 } 3496 // If both imeId and subtypeId are disabled, return null 3497 return null; 3498 } 3499 3500 private List<Pair<String, String>> loadInputMethodAndSubtypeHistoryLocked() { 3501 ArrayList<Pair<String, String>> imsList = new ArrayList<Pair<String, String>>(); 3502 final String subtypeHistoryStr = getSubtypeHistoryStr(); 3503 if (TextUtils.isEmpty(subtypeHistoryStr)) { 3504 return imsList; 3505 } 3506 mInputMethodSplitter.setString(subtypeHistoryStr); 3507 while (mInputMethodSplitter.hasNext()) { 3508 String nextImsStr = mInputMethodSplitter.next(); 3509 mSubtypeSplitter.setString(nextImsStr); 3510 if (mSubtypeSplitter.hasNext()) { 3511 String subtypeId = NOT_A_SUBTYPE_ID_STR; 3512 // The first element is ime id. 3513 String imeId = mSubtypeSplitter.next(); 3514 while (mSubtypeSplitter.hasNext()) { 3515 subtypeId = mSubtypeSplitter.next(); 3516 break; 3517 } 3518 imsList.add(new Pair<String, String>(imeId, subtypeId)); 3519 } 3520 } 3521 return imsList; 3522 } 3523 3524 private String getSubtypeHistoryStr() { 3525 if (DEBUG) { 3526 Slog.d(TAG, "getSubtypeHistoryStr: " + Settings.Secure.getString( 3527 mResolver, Settings.Secure.INPUT_METHODS_SUBTYPE_HISTORY)); 3528 } 3529 return Settings.Secure.getString( 3530 mResolver, Settings.Secure.INPUT_METHODS_SUBTYPE_HISTORY); 3531 } 3532 3533 public void putSelectedInputMethod(String imeId) { 3534 Settings.Secure.putString(mResolver, Settings.Secure.DEFAULT_INPUT_METHOD, imeId); 3535 } 3536 3537 public void putSelectedSubtype(int subtypeId) { 3538 Settings.Secure.putInt( 3539 mResolver, Settings.Secure.SELECTED_INPUT_METHOD_SUBTYPE, subtypeId); 3540 } 3541 } 3542 3543 private static class InputMethodFileManager { 3544 private static final String SYSTEM_PATH = "system"; 3545 private static final String INPUT_METHOD_PATH = "inputmethod"; 3546 private static final String ADDITIONAL_SUBTYPES_FILE_NAME = "subtypes.xml"; 3547 private static final String NODE_SUBTYPES = "subtypes"; 3548 private static final String NODE_SUBTYPE = "subtype"; 3549 private static final String NODE_IMI = "imi"; 3550 private static final String ATTR_ID = "id"; 3551 private static final String ATTR_LABEL = "label"; 3552 private static final String ATTR_ICON = "icon"; 3553 private static final String ATTR_IME_SUBTYPE_LOCALE = "imeSubtypeLocale"; 3554 private static final String ATTR_IME_SUBTYPE_MODE = "imeSubtypeMode"; 3555 private static final String ATTR_IME_SUBTYPE_EXTRA_VALUE = "imeSubtypeExtraValue"; 3556 private static final String ATTR_IS_AUXILIARY = "isAuxiliary"; 3557 private final AtomicFile mAdditionalInputMethodSubtypeFile; 3558 private final HashMap<String, InputMethodInfo> mMethodMap; 3559 private final HashMap<String, List<InputMethodSubtype>> mSubtypesMap = 3560 new HashMap<String, List<InputMethodSubtype>>(); 3561 public InputMethodFileManager(HashMap<String, InputMethodInfo> methodMap) { 3562 if (methodMap == null) { 3563 throw new NullPointerException("methodMap is null"); 3564 } 3565 mMethodMap = methodMap; 3566 final File systemDir = new File(Environment.getDataDirectory(), SYSTEM_PATH); 3567 final File inputMethodDir = new File(systemDir, INPUT_METHOD_PATH); 3568 if (!inputMethodDir.mkdirs()) { 3569 Slog.w(TAG, "Couldn't create dir.: " + inputMethodDir.getAbsolutePath()); 3570 } 3571 final File subtypeFile = new File(inputMethodDir, ADDITIONAL_SUBTYPES_FILE_NAME); 3572 mAdditionalInputMethodSubtypeFile = new AtomicFile(subtypeFile); 3573 if (!subtypeFile.exists()) { 3574 // If "subtypes.xml" doesn't exist, create a blank file. 3575 writeAdditionalInputMethodSubtypes(mSubtypesMap, mAdditionalInputMethodSubtypeFile, 3576 methodMap); 3577 } else { 3578 readAdditionalInputMethodSubtypes(mSubtypesMap, mAdditionalInputMethodSubtypeFile); 3579 } 3580 } 3581 3582 private void deleteAllInputMethodSubtypes(String imiId) { 3583 synchronized (mMethodMap) { 3584 mSubtypesMap.remove(imiId); 3585 writeAdditionalInputMethodSubtypes(mSubtypesMap, mAdditionalInputMethodSubtypeFile, 3586 mMethodMap); 3587 } 3588 } 3589 3590 public void addInputMethodSubtypes( 3591 InputMethodInfo imi, InputMethodSubtype[] additionalSubtypes) { 3592 synchronized (mMethodMap) { 3593 final ArrayList<InputMethodSubtype> subtypes = new ArrayList<InputMethodSubtype>(); 3594 final int N = additionalSubtypes.length; 3595 for (int i = 0; i < N; ++i) { 3596 final InputMethodSubtype subtype = additionalSubtypes[i]; 3597 if (!subtypes.contains(subtype)) { 3598 subtypes.add(subtype); 3599 } 3600 } 3601 mSubtypesMap.put(imi.getId(), subtypes); 3602 writeAdditionalInputMethodSubtypes(mSubtypesMap, mAdditionalInputMethodSubtypeFile, 3603 mMethodMap); 3604 } 3605 } 3606 3607 public HashMap<String, List<InputMethodSubtype>> getAllAdditionalInputMethodSubtypes() { 3608 synchronized (mMethodMap) { 3609 return mSubtypesMap; 3610 } 3611 } 3612 3613 private static void writeAdditionalInputMethodSubtypes( 3614 HashMap<String, List<InputMethodSubtype>> allSubtypes, AtomicFile subtypesFile, 3615 HashMap<String, InputMethodInfo> methodMap) { 3616 // Safety net for the case that this function is called before methodMap is set. 3617 final boolean isSetMethodMap = methodMap != null && methodMap.size() > 0; 3618 FileOutputStream fos = null; 3619 try { 3620 fos = subtypesFile.startWrite(); 3621 final XmlSerializer out = new FastXmlSerializer(); 3622 out.setOutput(fos, "utf-8"); 3623 out.startDocument(null, true); 3624 out.setFeature("http://xmlpull.org/v1/doc/features.html#indent-output", true); 3625 out.startTag(null, NODE_SUBTYPES); 3626 for (String imiId : allSubtypes.keySet()) { 3627 if (isSetMethodMap && !methodMap.containsKey(imiId)) { 3628 Slog.w(TAG, "IME uninstalled or not valid.: " + imiId); 3629 continue; 3630 } 3631 out.startTag(null, NODE_IMI); 3632 out.attribute(null, ATTR_ID, imiId); 3633 final List<InputMethodSubtype> subtypesList = allSubtypes.get(imiId); 3634 final int N = subtypesList.size(); 3635 for (int i = 0; i < N; ++i) { 3636 final InputMethodSubtype subtype = subtypesList.get(i); 3637 out.startTag(null, NODE_SUBTYPE); 3638 out.attribute(null, ATTR_ICON, String.valueOf(subtype.getIconResId())); 3639 out.attribute(null, ATTR_LABEL, String.valueOf(subtype.getNameResId())); 3640 out.attribute(null, ATTR_IME_SUBTYPE_LOCALE, subtype.getLocale()); 3641 out.attribute(null, ATTR_IME_SUBTYPE_MODE, subtype.getMode()); 3642 out.attribute(null, ATTR_IME_SUBTYPE_EXTRA_VALUE, subtype.getExtraValue()); 3643 out.attribute(null, ATTR_IS_AUXILIARY, 3644 String.valueOf(subtype.isAuxiliary() ? 1 : 0)); 3645 out.endTag(null, NODE_SUBTYPE); 3646 } 3647 out.endTag(null, NODE_IMI); 3648 } 3649 out.endTag(null, NODE_SUBTYPES); 3650 out.endDocument(); 3651 subtypesFile.finishWrite(fos); 3652 } catch (java.io.IOException e) { 3653 Slog.w(TAG, "Error writing subtypes", e); 3654 if (fos != null) { 3655 subtypesFile.failWrite(fos); 3656 } 3657 } 3658 } 3659 3660 private static void readAdditionalInputMethodSubtypes( 3661 HashMap<String, List<InputMethodSubtype>> allSubtypes, AtomicFile subtypesFile) { 3662 if (allSubtypes == null || subtypesFile == null) return; 3663 allSubtypes.clear(); 3664 FileInputStream fis = null; 3665 try { 3666 fis = subtypesFile.openRead(); 3667 final XmlPullParser parser = Xml.newPullParser(); 3668 parser.setInput(fis, null); 3669 int type = parser.getEventType(); 3670 // Skip parsing until START_TAG 3671 while ((type = parser.next()) != XmlPullParser.START_TAG 3672 && type != XmlPullParser.END_DOCUMENT) {} 3673 String firstNodeName = parser.getName(); 3674 if (!NODE_SUBTYPES.equals(firstNodeName)) { 3675 throw new XmlPullParserException("Xml doesn't start with subtypes"); 3676 } 3677 final int depth =parser.getDepth(); 3678 String currentImiId = null; 3679 ArrayList<InputMethodSubtype> tempSubtypesArray = null; 3680 while (((type = parser.next()) != XmlPullParser.END_TAG 3681 || parser.getDepth() > depth) && type != XmlPullParser.END_DOCUMENT) { 3682 if (type != XmlPullParser.START_TAG) 3683 continue; 3684 final String nodeName = parser.getName(); 3685 if (NODE_IMI.equals(nodeName)) { 3686 currentImiId = parser.getAttributeValue(null, ATTR_ID); 3687 if (TextUtils.isEmpty(currentImiId)) { 3688 Slog.w(TAG, "Invalid imi id found in subtypes.xml"); 3689 continue; 3690 } 3691 tempSubtypesArray = new ArrayList<InputMethodSubtype>(); 3692 allSubtypes.put(currentImiId, tempSubtypesArray); 3693 } else if (NODE_SUBTYPE.equals(nodeName)) { 3694 if (TextUtils.isEmpty(currentImiId) || tempSubtypesArray == null) { 3695 Slog.w(TAG, "IME uninstalled or not valid.: " + currentImiId); 3696 continue; 3697 } 3698 final int icon = Integer.valueOf( 3699 parser.getAttributeValue(null, ATTR_ICON)); 3700 final int label = Integer.valueOf( 3701 parser.getAttributeValue(null, ATTR_LABEL)); 3702 final String imeSubtypeLocale = 3703 parser.getAttributeValue(null, ATTR_IME_SUBTYPE_LOCALE); 3704 final String imeSubtypeMode = 3705 parser.getAttributeValue(null, ATTR_IME_SUBTYPE_MODE); 3706 final String imeSubtypeExtraValue = 3707 parser.getAttributeValue(null, ATTR_IME_SUBTYPE_EXTRA_VALUE); 3708 final boolean isAuxiliary = "1".equals(String.valueOf( 3709 parser.getAttributeValue(null, ATTR_IS_AUXILIARY))); 3710 final InputMethodSubtype subtype = 3711 new InputMethodSubtype(label, icon, imeSubtypeLocale, 3712 imeSubtypeMode, imeSubtypeExtraValue, isAuxiliary); 3713 tempSubtypesArray.add(subtype); 3714 } 3715 } 3716 } catch (XmlPullParserException e) { 3717 Slog.w(TAG, "Error reading subtypes: " + e); 3718 return; 3719 } catch (java.io.IOException e) { 3720 Slog.w(TAG, "Error reading subtypes: " + e); 3721 return; 3722 } catch (NumberFormatException e) { 3723 Slog.w(TAG, "Error reading subtypes: " + e); 3724 return; 3725 } finally { 3726 if (fis != null) { 3727 try { 3728 fis.close(); 3729 } catch (java.io.IOException e1) { 3730 Slog.w(TAG, "Failed to close."); 3731 } 3732 } 3733 } 3734 } 3735 } 3736 3737 // ---------------------------------------------------------------------- 3738 3739 @Override 3740 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 3741 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 3742 != PackageManager.PERMISSION_GRANTED) { 3743 3744 pw.println("Permission Denial: can't dump InputMethodManager from from pid=" 3745 + Binder.getCallingPid() 3746 + ", uid=" + Binder.getCallingUid()); 3747 return; 3748 } 3749 3750 IInputMethod method; 3751 ClientState client; 3752 3753 final Printer p = new PrintWriterPrinter(pw); 3754 3755 synchronized (mMethodMap) { 3756 p.println("Current Input Method Manager state:"); 3757 int N = mMethodList.size(); 3758 p.println(" Input Methods:"); 3759 for (int i=0; i<N; i++) { 3760 InputMethodInfo info = mMethodList.get(i); 3761 p.println(" InputMethod #" + i + ":"); 3762 info.dump(p, " "); 3763 } 3764 p.println(" Clients:"); 3765 for (ClientState ci : mClients.values()) { 3766 p.println(" Client " + ci + ":"); 3767 p.println(" client=" + ci.client); 3768 p.println(" inputContext=" + ci.inputContext); 3769 p.println(" sessionRequested=" + ci.sessionRequested); 3770 p.println(" curSession=" + ci.curSession); 3771 } 3772 p.println(" mCurMethodId=" + mCurMethodId); 3773 client = mCurClient; 3774 p.println(" mCurClient=" + client + " mCurSeq=" + mCurSeq); 3775 p.println(" mCurFocusedWindow=" + mCurFocusedWindow); 3776 p.println(" mCurId=" + mCurId + " mHaveConnect=" + mHaveConnection 3777 + " mBoundToMethod=" + mBoundToMethod); 3778 p.println(" mCurToken=" + mCurToken); 3779 p.println(" mCurIntent=" + mCurIntent); 3780 method = mCurMethod; 3781 p.println(" mCurMethod=" + mCurMethod); 3782 p.println(" mEnabledSession=" + mEnabledSession); 3783 p.println(" mShowRequested=" + mShowRequested 3784 + " mShowExplicitlyRequested=" + mShowExplicitlyRequested 3785 + " mShowForced=" + mShowForced 3786 + " mInputShown=" + mInputShown); 3787 p.println(" mSystemReady=" + mSystemReady + " mScreenOn=" + mScreenOn); 3788 } 3789 3790 p.println(" "); 3791 if (client != null) { 3792 pw.flush(); 3793 try { 3794 client.client.asBinder().dump(fd, args); 3795 } catch (RemoteException e) { 3796 p.println("Input method client dead: " + e); 3797 } 3798 } else { 3799 p.println("No input method client."); 3800 } 3801 3802 p.println(" "); 3803 if (method != null) { 3804 pw.flush(); 3805 try { 3806 method.asBinder().dump(fd, args); 3807 } catch (RemoteException e) { 3808 p.println("Input method service dead: " + e); 3809 } 3810 } else { 3811 p.println("No input method service."); 3812 } 3813 } 3814} 3815