FileDocCategorySizeDatePackage
InputMethodManagerService.javaAPI DocAndroid 5.1 API157450Thu Mar 12 22:22:42 GMT 2015com.android.server

InputMethodManagerService

public class InputMethodManagerService extends IInputMethodManager.Stub implements android.content.ServiceConnection, Handler.Callback
This class provides a system service that manages input methods.

Fields Summary
static final boolean
DEBUG
static final String
TAG
static final int
MSG_SHOW_IM_PICKER
static final int
MSG_SHOW_IM_SUBTYPE_PICKER
static final int
MSG_SHOW_IM_SUBTYPE_ENABLER
static final int
MSG_SHOW_IM_CONFIG
static final int
MSG_UNBIND_INPUT
static final int
MSG_BIND_INPUT
static final int
MSG_SHOW_SOFT_INPUT
static final int
MSG_HIDE_SOFT_INPUT
static final int
MSG_ATTACH_TOKEN
static final int
MSG_CREATE_SESSION
static final int
MSG_START_INPUT
static final int
MSG_RESTART_INPUT
static final int
MSG_UNBIND_METHOD
static final int
MSG_BIND_METHOD
static final int
MSG_SET_ACTIVE
static final int
MSG_SET_USER_ACTION_NOTIFICATION_SEQUENCE_NUMBER
static final int
MSG_HARD_KEYBOARD_SWITCH_CHANGED
static final long
TIME_TO_RECONNECT
static final int
SECURE_SUGGESTION_SPANS_MAX_SIZE
private static final int
NOT_A_SUBTYPE_ID
private static final String
TAG_TRY_SUPPRESSING_IME_SWITCHER
final android.content.Context
mContext
final android.content.res.Resources
mRes
final android.os.Handler
mHandler
final com.android.internal.inputmethod.InputMethodUtils.InputMethodSettings
mSettings
final SettingsObserver
mSettingsObserver
final android.view.IWindowManager
mIWindowManager
final com.android.internal.os.HandlerCaller
mCaller
final boolean
mHasFeature
private InputMethodFileManager
mFileManager
private final HardKeyboardListener
mHardKeyboardListener
private final com.android.server.wm.WindowManagerService
mWindowManagerService
private final android.app.AppOpsManager
mAppOpsManager
final com.android.internal.view.InputBindResult
mNoBinding
final ArrayList
mMethodList
final HashMap
mMethodMap
private final android.util.LruCache
mSecureSuggestionSpans
private final com.android.internal.inputmethod.InputMethodSubtypeSwitchingController
mSwitchingController
final android.content.ServiceConnection
mVisibleConnection
boolean
mVisibleBound
private android.app.NotificationManager
mNotificationManager
private android.app.KeyguardManager
mKeyguardManager
private com.android.server.statusbar.StatusBarManagerService
mStatusBar
private android.app.Notification
mImeSwitcherNotification
private android.app.PendingIntent
mImeSwitchPendingIntent
private boolean
mShowOngoingImeSwitcherForPhones
private boolean
mNotificationShown
private final boolean
mImeSelectedOnBoot
final HashMap
mClients
boolean
mSystemReady
Set once the system is ready to run third party code.
String
mCurMethodId
Id of the currently selected input method.
int
mCurSeq
The current binding sequence number, incremented every time there is a new bind performed.
ClientState
mCurClient
The client that is currently bound to an input method.
android.os.IBinder
mCurFocusedWindow
The last window token that gained focus.
com.android.internal.view.IInputContext
mCurInputContext
The input context last provided by the current client.
android.view.inputmethod.EditorInfo
mCurAttribute
The attributes last provided by the current client.
String
mCurId
The input method ID of the input method service that we are currently connected to or in the process of connecting to.
private android.view.inputmethod.InputMethodSubtype
mCurrentSubtype
The current subtype of the current input method.
private final HashMap
mShortcutInputMethodsAndSubtypes
private boolean
mCurClientInKeyguard
boolean
mHaveConnection
Set to true if our ServiceConnection is currently actively bound to a service (whether or not we have gotten its IBinder back yet).
boolean
mShowRequested
Set if the client has asked for the input method to be shown.
boolean
mShowExplicitlyRequested
Set if we were explicitly told to show the input method.
boolean
mShowForced
Set if we were forced to be shown.
boolean
mInputShown
Set if we last told the input method to show itself.
android.content.Intent
mCurIntent
The Intent used to connect to the current input method.
android.os.IBinder
mCurToken
The token we have made for the currently active input method, to identify it in the future.
com.android.internal.view.IInputMethod
mCurMethod
If non-null, this is the input method service we are currently connected to.
long
mLastBindTime
Time that we last initiated a bind to the input method, to determine if we should try to disconnect and reconnect to it.
boolean
mBoundToMethod
Have we called mCurMethod.bindInput()?
SessionState
mEnabledSession
Currently enabled session. Only touched by service thread, not protected by a lock.
boolean
mScreenOn
True if the screen is on. The value is true initially.
int
mCurUserActionNotificationSequenceNumber
int
mBackDisposition
int
mImeWindowVis
private AlertDialog.Builder
mDialogBuilder
private android.app.AlertDialog
mSwitchingDialog
private android.view.View
mSwitchingDialogTitleView
private android.view.inputmethod.InputMethodInfo[]
mIms
private int[]
mSubtypeIds
private Locale
mLastSystemLocale
private boolean
mShowImeWithHardKeyboard
private final MyPackageMonitor
mMyPackageMonitor
private final android.content.pm.IPackageManager
mIPackageManager
Constructors Summary
public InputMethodManagerService(android.content.Context context, com.android.server.wm.WindowManagerService windowManager)

        mIPackageManager = AppGlobals.getPackageManager();
        mContext = context;
        mRes = context.getResources();
        mHandler = new Handler(this);
        mIWindowManager = IWindowManager.Stub.asInterface(
                ServiceManager.getService(Context.WINDOW_SERVICE));
        mCaller = new HandlerCaller(context, null, new HandlerCaller.Callback() {
            @Override
            public void executeMessage(Message msg) {
                handleMessage(msg);
            }
        }, true /*asyncHandler*/);
        mWindowManagerService = windowManager;
        mAppOpsManager = (AppOpsManager) mContext.getSystemService(Context.APP_OPS_SERVICE);
        mHardKeyboardListener = new HardKeyboardListener();
        mHasFeature = context.getPackageManager().hasSystemFeature(
                PackageManager.FEATURE_INPUT_METHODS);

        mImeSwitcherNotification = new Notification();
        mImeSwitcherNotification.icon = com.android.internal.R.drawable.ic_notification_ime_default;
        mImeSwitcherNotification.when = 0;
        mImeSwitcherNotification.flags = Notification.FLAG_ONGOING_EVENT;
        mImeSwitcherNotification.tickerText = null;
        mImeSwitcherNotification.defaults = 0; // please be quiet
        mImeSwitcherNotification.sound = null;
        mImeSwitcherNotification.vibrate = null;

        // Tag this notification specially so SystemUI knows it's important
        mImeSwitcherNotification.extras.putBoolean(Notification.EXTRA_ALLOW_DURING_SETUP, true);
        mImeSwitcherNotification.category = Notification.CATEGORY_SYSTEM;

        Intent intent = new Intent(Settings.ACTION_SHOW_INPUT_METHOD_PICKER);
        mImeSwitchPendingIntent = PendingIntent.getBroadcast(mContext, 0, intent, 0);

        mShowOngoingImeSwitcherForPhones = false;

        final IntentFilter broadcastFilter = new IntentFilter();
        broadcastFilter.addAction(Intent.ACTION_SCREEN_ON);
        broadcastFilter.addAction(Intent.ACTION_SCREEN_OFF);
        broadcastFilter.addAction(Intent.ACTION_CLOSE_SYSTEM_DIALOGS);
        broadcastFilter.addAction(Intent.ACTION_USER_ADDED);
        broadcastFilter.addAction(Intent.ACTION_USER_REMOVED);
        mContext.registerReceiver(new ImmsBroadcastReceiver(), broadcastFilter);

        mNotificationShown = false;
        int userId = 0;
        try {
            ActivityManagerNative.getDefault().registerUserSwitchObserver(
                    new IUserSwitchObserver.Stub() {
                        @Override
                        public void onUserSwitching(int newUserId, IRemoteCallback reply) {
                            synchronized(mMethodMap) {
                                switchUserLocked(newUserId);
                            }
                            if (reply != null) {
                                try {
                                    reply.sendResult(null);
                                } catch (RemoteException e) {
                                }
                            }
                        }

                        @Override
                        public void onUserSwitchComplete(int newUserId) throws RemoteException {
                        }
                    });
            userId = ActivityManagerNative.getDefault().getCurrentUser().id;
        } catch (RemoteException e) {
            Slog.w(TAG, "Couldn't get current user ID; guessing it's 0", e);
        }
        mMyPackageMonitor.register(mContext, null, UserHandle.ALL, true);

        // mSettings should be created before buildInputMethodListLocked
        mSettings = new InputMethodSettings(
                mRes, context.getContentResolver(), mMethodMap, mMethodList, userId);
        updateCurrentProfileIds();
        mFileManager = new InputMethodFileManager(mMethodMap, userId);
        synchronized (mMethodMap) {
            mSwitchingController = InputMethodSubtypeSwitchingController.createInstanceLocked(
                    mSettings, context);
        }

        // Just checking if defaultImiId is empty or not
        final String defaultImiId = mSettings.getSelectedInputMethod();
        if (DEBUG) {
            Slog.d(TAG, "Initial default ime = " + defaultImiId);
        }
        mImeSelectedOnBoot = !TextUtils.isEmpty(defaultImiId);

        synchronized (mMethodMap) {
            buildInputMethodListLocked(mMethodList, mMethodMap,
                    !mImeSelectedOnBoot /* resetDefaultEnabledIme */);
        }
        mSettings.enableAllIMEsIfThereIsNoEnabledIME();

        if (!mImeSelectedOnBoot) {
            Slog.w(TAG, "No IME selected. Choose the most applicable IME.");
            synchronized (mMethodMap) {
                resetDefaultImeLocked(context);
            }
        }

        mSettingsObserver = new SettingsObserver(mHandler);
        synchronized (mMethodMap) {
            updateFromSettingsLocked(true);
        }

        // IMMS wants to receive Intent.ACTION_LOCALE_CHANGED in order to update the current IME
        // according to the new system locale.
        final IntentFilter filter = new IntentFilter();
        filter.addAction(Intent.ACTION_LOCALE_CHANGED);
        mContext.registerReceiver(
                new BroadcastReceiver() {
                    @Override
                    public void onReceive(Context context, Intent intent) {
                        synchronized(mMethodMap) {
                            resetStateIfCurrentLocaleChangedLocked();
                        }
                    }
                }, filter);
Methods Summary
public voidaddClient(com.android.internal.view.IInputMethodClient client, com.android.internal.view.IInputContext inputContext, int uid, int pid)

        if (!calledFromValidUser()) {
            return;
        }
        synchronized (mMethodMap) {
            mClients.put(client.asBinder(), new ClientState(client,
                    inputContext, uid, pid));
        }
private voidaddShortcutInputMethodAndSubtypes(android.view.inputmethod.InputMethodInfo imi, android.view.inputmethod.InputMethodSubtype subtype)

        if (mShortcutInputMethodsAndSubtypes.containsKey(imi)) {
            mShortcutInputMethodsAndSubtypes.get(imi).add(subtype);
        } else {
            ArrayList<InputMethodSubtype> subtypes = new ArrayList<InputMethodSubtype>();
            subtypes.add(subtype);
            mShortcutInputMethodsAndSubtypes.put(imi, subtypes);
        }
com.android.internal.view.InputBindResultattachNewInputLocked(boolean initial)

        if (!mBoundToMethod) {
            executeOrSendMessage(mCurMethod, mCaller.obtainMessageOO(
                    MSG_BIND_INPUT, mCurMethod, mCurClient.binding));
            mBoundToMethod = true;
        }
        final SessionState session = mCurClient.curSession;
        if (initial) {
            executeOrSendMessage(session.method, mCaller.obtainMessageOOO(
                    MSG_START_INPUT, session, mCurInputContext, mCurAttribute));
        } else {
            executeOrSendMessage(session.method, mCaller.obtainMessageOOO(
                    MSG_RESTART_INPUT, session, mCurInputContext, mCurAttribute));
        }
        if (mShowRequested) {
            if (DEBUG) Slog.v(TAG, "Attach new input asks to show input");
            showCurrentInputLocked(getAppShowFlags(), null);
        }
        return new InputBindResult(session.session,
                (session.channel != null ? session.channel.dup() : null),
                mCurId, mCurSeq, mCurUserActionNotificationSequenceNumber);
private booleanbindCurrentInputMethodService(android.content.Intent service, android.content.ServiceConnection conn, int flags)

        if (service == null || conn == null) {
            Slog.e(TAG, "--- bind failed: service = " + service + ", conn = " + conn);
            return false;
        }
        return mContext.bindServiceAsUser(service, conn, flags,
                new UserHandle(mSettings.getCurrentUserId()));
voidbuildInputMethodListLocked(java.util.ArrayList list, java.util.HashMap map, boolean resetDefaultEnabledIme)

        if (DEBUG) {
            Slog.d(TAG, "--- re-buildInputMethodList reset = " + resetDefaultEnabledIme
                    + " \n ------ \n" + InputMethodUtils.getStackTrace());
        }
        list.clear();
        map.clear();

        // Use for queryIntentServicesAsUser
        final PackageManager pm = mContext.getPackageManager();
        String disabledSysImes = mSettings.getDisabledSystemInputMethods();
        if (disabledSysImes == null) disabledSysImes = "";

        final List<ResolveInfo> services = pm.queryIntentServicesAsUser(
                new Intent(InputMethod.SERVICE_INTERFACE),
                PackageManager.GET_META_DATA | PackageManager.GET_DISABLED_UNTIL_USED_COMPONENTS,
                mSettings.getCurrentUserId());

        final HashMap<String, List<InputMethodSubtype>> additionalSubtypes =
                mFileManager.getAllAdditionalInputMethodSubtypes();
        for (int i = 0; i < services.size(); ++i) {
            ResolveInfo ri = services.get(i);
            ServiceInfo si = ri.serviceInfo;
            ComponentName compName = new ComponentName(si.packageName, si.name);
            if (!android.Manifest.permission.BIND_INPUT_METHOD.equals(
                    si.permission)) {
                Slog.w(TAG, "Skipping input method " + compName
                        + ": it does not require the permission "
                        + android.Manifest.permission.BIND_INPUT_METHOD);
                continue;
            }

            if (DEBUG) Slog.d(TAG, "Checking " + compName);

            try {
                InputMethodInfo p = new InputMethodInfo(mContext, ri, additionalSubtypes);
                list.add(p);
                final String id = p.getId();
                map.put(id, p);

                if (DEBUG) {
                    Slog.d(TAG, "Found an input method " + p);
                }

            } catch (XmlPullParserException e) {
                Slog.w(TAG, "Unable to load input method " + compName, e);
            } catch (IOException e) {
                Slog.w(TAG, "Unable to load input method " + compName, e);
            }
        }

        if (resetDefaultEnabledIme) {
            final ArrayList<InputMethodInfo> defaultEnabledIme =
                    InputMethodUtils.getDefaultEnabledImes(mContext, mSystemReady, list);
            for (int i = 0; i < defaultEnabledIme.size(); ++i) {
                final InputMethodInfo imi =  defaultEnabledIme.get(i);
                if (DEBUG) {
                    Slog.d(TAG, "--- enable ime = " + imi);
                }
                setInputMethodEnabledLocked(imi.getId(), true);
            }
        }

        final String defaultImiId = mSettings.getSelectedInputMethod();
        if (!TextUtils.isEmpty(defaultImiId)) {
            if (!map.containsKey(defaultImiId)) {
                Slog.w(TAG, "Default IME is uninstalled. Choose new default IME.");
                if (chooseNewDefaultIMELocked()) {
                    updateInputMethodsFromSettingsLocked(true);
                }
            } else {
                // Double check that the default IME is certainly enabled.
                setInputMethodEnabledLocked(defaultImiId, true);
            }
        }
        // Here is not the perfect place to reset the switching controller. Ideally
        // mSwitchingController and mSettings should be able to share the same state.
        // TODO: Make sure that mSwitchingController and mSettings are sharing the
        // the same enabled IMEs list.
        mSwitchingController.resetCircularListLocked(mContext);
private booleancalledFromValidUser()

        final int uid = Binder.getCallingUid();
        final int userId = UserHandle.getUserId(uid);
        if (DEBUG) {
            Slog.d(TAG, "--- calledFromForegroundUserOrSystemProcess ? "
                    + "calling uid = " + uid + " system uid = " + Process.SYSTEM_UID
                    + " calling userId = " + userId + ", foreground user id = "
                    + mSettings.getCurrentUserId() + ", calling pid = " + Binder.getCallingPid()
                    + InputMethodUtils.getApiCallStack());
        }
        if (uid == Process.SYSTEM_UID || mSettings.isCurrentProfile(userId)) {
            return true;
        }

        // Caveat: A process which has INTERACT_ACROSS_USERS_FULL gets results for the
        // foreground user, not for the user of that process. Accordingly InputMethodManagerService
        // must not manage background users' states in any functions.
        // Note that privacy-sensitive IPCs, such as setInputMethod, are still securely guarded
        // by a token.
        if (mContext.checkCallingOrSelfPermission(
                android.Manifest.permission.INTERACT_ACROSS_USERS_FULL)
                        == PackageManager.PERMISSION_GRANTED) {
            if (DEBUG) {
                Slog.d(TAG, "--- Access granted because the calling process has "
                        + "the INTERACT_ACROSS_USERS_FULL permission");
            }
            return true;
        }
        Slog.w(TAG, "--- IPC called from background users. Ignore. \n"
                + InputMethodUtils.getStackTrace());
        return false;
private booleancalledWithValidToken(android.os.IBinder token)
Returns true iff the caller is identified to be the current input method with the token.

param
token The window token given to the input method when it was started.
return
true if and only if non-null valid token is specified.

        if (token == null || mCurToken != token) {
            return false;
        }
        return true;
private booleanchooseNewDefaultIMELocked()

        final InputMethodInfo imi = InputMethodUtils.getMostApplicableDefaultIME(
                mSettings.getEnabledInputMethodListLocked());
        if (imi != null) {
            if (DEBUG) {
                Slog.d(TAG, "New default IME was selected: " + imi.getId());
            }
            resetSelectedInputMethodAndSubtypeLocked(imi.getId());
            return true;
        }

        return false;
voidclearClientSessionLocked(com.android.server.InputMethodManagerService$ClientState cs)

        finishSessionLocked(cs.curSession);
        cs.curSession = null;
        cs.sessionRequested = false;
voidclearCurMethodLocked()

        if (mCurMethod != null) {
            for (ClientState cs : mClients.values()) {
                clearClientSessionLocked(cs);
            }

            finishSessionLocked(mEnabledSession);
            mEnabledSession = null;
            mCurMethod = null;
        }
        if (mStatusBar != null) {
            mStatusBar.setIconVisibility("ime", false);
        }
protected voiddump(java.io.FileDescriptor fd, java.io.PrintWriter pw, java.lang.String[] args)

        if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP)
                != PackageManager.PERMISSION_GRANTED) {

            pw.println("Permission Denial: can't dump InputMethodManager from from pid="
                    + Binder.getCallingPid()
                    + ", uid=" + Binder.getCallingUid());
            return;
        }

        IInputMethod method;
        ClientState client;

        final Printer p = new PrintWriterPrinter(pw);

        synchronized (mMethodMap) {
            p.println("Current Input Method Manager state:");
            int N = mMethodList.size();
            p.println("  Input Methods:");
            for (int i=0; i<N; i++) {
                InputMethodInfo info = mMethodList.get(i);
                p.println("  InputMethod #" + i + ":");
                info.dump(p, "    ");
            }
            p.println("  Clients:");
            for (ClientState ci : mClients.values()) {
                p.println("  Client " + ci + ":");
                p.println("    client=" + ci.client);
                p.println("    inputContext=" + ci.inputContext);
                p.println("    sessionRequested=" + ci.sessionRequested);
                p.println("    curSession=" + ci.curSession);
            }
            p.println("  mCurMethodId=" + mCurMethodId);
            client = mCurClient;
            p.println("  mCurClient=" + client + " mCurSeq=" + mCurSeq);
            p.println("  mCurFocusedWindow=" + mCurFocusedWindow);
            p.println("  mCurId=" + mCurId + " mHaveConnect=" + mHaveConnection
                    + " mBoundToMethod=" + mBoundToMethod);
            p.println("  mCurToken=" + mCurToken);
            p.println("  mCurIntent=" + mCurIntent);
            method = mCurMethod;
            p.println("  mCurMethod=" + mCurMethod);
            p.println("  mEnabledSession=" + mEnabledSession);
            p.println("  mShowRequested=" + mShowRequested
                    + " mShowExplicitlyRequested=" + mShowExplicitlyRequested
                    + " mShowForced=" + mShowForced
                    + " mInputShown=" + mInputShown);
            p.println("  mCurUserActionNotificationSequenceNumber="
                    + mCurUserActionNotificationSequenceNumber);
            p.println("  mSystemReady=" + mSystemReady + " mInteractive=" + mScreenOn);
        }

        p.println(" ");
        if (client != null) {
            pw.flush();
            try {
                client.client.asBinder().dump(fd, args);
            } catch (RemoteException e) {
                p.println("Input method client dead: " + e);
            }
        } else {
            p.println("No input method client.");
        }

        p.println(" ");
        if (method != null) {
            pw.flush();
            try {
                method.asBinder().dump(fd, args);
            } catch (RemoteException e) {
                p.println("Input method service dead: " + e);
            }
        } else {
            p.println("No input method service.");
        }
voidexecuteOrSendMessage(android.os.IInterface target, android.os.Message msg)

         if (target.asBinder() instanceof Binder) {
             mCaller.sendMessage(msg);
         } else {
             handleMessage(msg);
             msg.recycle();
         }
private android.util.PairfindLastResortApplicableShortcutInputMethodAndSubtypeLocked(java.lang.String mode)

        List<InputMethodInfo> imis = mSettings.getEnabledInputMethodListLocked();
        InputMethodInfo mostApplicableIMI = null;
        InputMethodSubtype mostApplicableSubtype = null;
        boolean foundInSystemIME = false;

        // Search applicable subtype for each InputMethodInfo
        for (InputMethodInfo imi: imis) {
            final String imiId = imi.getId();
            if (foundInSystemIME && !imiId.equals(mCurMethodId)) {
                continue;
            }
            InputMethodSubtype subtype = null;
            final List<InputMethodSubtype> enabledSubtypes =
                    mSettings.getEnabledInputMethodSubtypeListLocked(mContext, imi, true);
            // 1. Search by the current subtype's locale from enabledSubtypes.
            if (mCurrentSubtype != null) {
                subtype = InputMethodUtils.findLastResortApplicableSubtypeLocked(
                        mRes, enabledSubtypes, mode, mCurrentSubtype.getLocale(), false);
            }
            // 2. Search by the system locale from enabledSubtypes.
            // 3. Search the first enabled subtype matched with mode from enabledSubtypes.
            if (subtype == null) {
                subtype = InputMethodUtils.findLastResortApplicableSubtypeLocked(
                        mRes, enabledSubtypes, mode, null, true);
            }
            final ArrayList<InputMethodSubtype> overridingImplicitlyEnabledSubtypes =
                    InputMethodUtils.getOverridingImplicitlyEnabledSubtypes(imi, mode);
            final ArrayList<InputMethodSubtype> subtypesForSearch =
                    overridingImplicitlyEnabledSubtypes.isEmpty()
                            ? InputMethodUtils.getSubtypes(imi)
                            : overridingImplicitlyEnabledSubtypes;
            // 4. Search by the current subtype's locale from all subtypes.
            if (subtype == null && mCurrentSubtype != null) {
                subtype = InputMethodUtils.findLastResortApplicableSubtypeLocked(
                        mRes, subtypesForSearch, mode, mCurrentSubtype.getLocale(), false);
            }
            // 5. Search by the system locale from all subtypes.
            // 6. Search the first enabled subtype matched with mode from all subtypes.
            if (subtype == null) {
                subtype = InputMethodUtils.findLastResortApplicableSubtypeLocked(
                        mRes, subtypesForSearch, mode, null, true);
            }
            if (subtype != null) {
                if (imiId.equals(mCurMethodId)) {
                    // The current input method is the most applicable IME.
                    mostApplicableIMI = imi;
                    mostApplicableSubtype = subtype;
                    break;
                } else if (!foundInSystemIME) {
                    // The system input method is 2nd applicable IME.
                    mostApplicableIMI = imi;
                    mostApplicableSubtype = subtype;
                    if ((imi.getServiceInfo().applicationInfo.flags
                            & ApplicationInfo.FLAG_SYSTEM) != 0) {
                        foundInSystemIME = true;
                    }
                }
            }
        }
        if (DEBUG) {
            if (mostApplicableIMI != null) {
                Slog.w(TAG, "Most applicable shortcut input method was:"
                        + mostApplicableIMI.getId());
                if (mostApplicableSubtype != null) {
                    Slog.w(TAG, "Most applicable shortcut input method subtype was:"
                            + "," + mostApplicableSubtype.getMode() + ","
                            + mostApplicableSubtype.getLocale());
                }
            }
        }
        if (mostApplicableIMI != null) {
            return new Pair<InputMethodInfo, InputMethodSubtype> (mostApplicableIMI,
                    mostApplicableSubtype);
        } else {
            return null;
        }
public voidfinishInput(com.android.internal.view.IInputMethodClient client)
private voidfinishSessionLocked(com.android.server.InputMethodManagerService$SessionState sessionState)

        if (sessionState != null) {
            if (sessionState.session != null) {
                try {
                    sessionState.session.finishSession();
                } catch (RemoteException e) {
                    Slog.w(TAG, "Session failed to close due to remote exception", e);
                    setImeWindowVisibilityStatusHiddenLocked();
                }
                sessionState.session = null;
            }
            if (sessionState.channel != null) {
                sessionState.channel.dispose();
                sessionState.channel = null;
            }
        }
private intgetAppShowFlags()

        int flags = 0;
        if (mShowForced) {
            flags |= InputMethodManager.SHOW_FORCED;
        } else if (!mShowExplicitlyRequested) {
            flags |= InputMethodManager.SHOW_IMPLICIT;
        }
        return flags;
public android.view.inputmethod.InputMethodSubtypegetCurrentInputMethodSubtype()

return
Return the current subtype of this input method.

        // TODO: Make this work even for non-current users?
        if (!calledFromValidUser()) {
            return null;
        }
        synchronized (mMethodMap) {
            return getCurrentInputMethodSubtypeLocked();
        }
private android.view.inputmethod.InputMethodSubtypegetCurrentInputMethodSubtypeLocked()

        if (mCurMethodId == null) {
            return null;
        }
        final boolean subtypeIsSelected = mSettings.isSubtypeSelected();
        final InputMethodInfo imi = mMethodMap.get(mCurMethodId);
        if (imi == null || imi.getSubtypeCount() == 0) {
            return null;
        }
        if (!subtypeIsSelected || mCurrentSubtype == null
                || !InputMethodUtils.isValidSubtypeId(imi, mCurrentSubtype.hashCode())) {
            int subtypeId = mSettings.getSelectedInputMethodSubtypeId(mCurMethodId);
            if (subtypeId == NOT_A_SUBTYPE_ID) {
                // If there are no selected subtypes, the framework will try to find
                // the most applicable subtype from explicitly or implicitly enabled
                // subtypes.
                List<InputMethodSubtype> explicitlyOrImplicitlyEnabledSubtypes =
                        mSettings.getEnabledInputMethodSubtypeListLocked(mContext, imi, true);
                // If there is only one explicitly or implicitly enabled subtype,
                // just returns it.
                if (explicitlyOrImplicitlyEnabledSubtypes.size() == 1) {
                    mCurrentSubtype = explicitlyOrImplicitlyEnabledSubtypes.get(0);
                } else if (explicitlyOrImplicitlyEnabledSubtypes.size() > 1) {
                    mCurrentSubtype = InputMethodUtils.findLastResortApplicableSubtypeLocked(
                            mRes, explicitlyOrImplicitlyEnabledSubtypes,
                            InputMethodUtils.SUBTYPE_MODE_KEYBOARD, null, true);
                    if (mCurrentSubtype == null) {
                        mCurrentSubtype = InputMethodUtils.findLastResortApplicableSubtypeLocked(
                                mRes, explicitlyOrImplicitlyEnabledSubtypes, null, null,
                                true);
                    }
                }
            } else {
                mCurrentSubtype = InputMethodUtils.getSubtypes(imi).get(subtypeId);
            }
        }
        return mCurrentSubtype;
public java.util.ListgetEnabledInputMethodList()

        // TODO: Make this work even for non-current users?
        if (!calledFromValidUser()) {
            return Collections.emptyList();
        }
        synchronized (mMethodMap) {
            return mSettings.getEnabledInputMethodListLocked();
        }
public java.util.ListgetEnabledInputMethodSubtypeList(java.lang.String imiId, boolean allowsImplicitlySelectedSubtypes)

param
imiId if null, returns enabled subtypes for the current imi
return
enabled subtypes of the specified imi

        // TODO: Make this work even for non-current users?
        if (!calledFromValidUser()) {
            return Collections.<InputMethodSubtype>emptyList();
        }
        synchronized (mMethodMap) {
            final InputMethodInfo imi;
            if (imiId == null && mCurMethodId != null) {
                imi = mMethodMap.get(mCurMethodId);
            } else {
                imi = mMethodMap.get(imiId);
            }
            if (imi == null) {
                return Collections.<InputMethodSubtype>emptyList();
            }
            return mSettings.getEnabledInputMethodSubtypeListLocked(
                    mContext, imi, allowsImplicitlySelectedSubtypes);
        }
private intgetImeShowFlags()

        int flags = 0;
        if (mShowForced) {
            flags |= InputMethod.SHOW_FORCED
                    | InputMethod.SHOW_EXPLICIT;
        } else if (mShowExplicitlyRequested) {
            flags |= InputMethod.SHOW_EXPLICIT;
        }
        return flags;
public java.util.ListgetInputMethodList()

        // TODO: Make this work even for non-current users?
        if (!calledFromValidUser()) {
            return Collections.emptyList();
        }
        synchronized (mMethodMap) {
            return new ArrayList<InputMethodInfo>(mMethodList);
        }
public intgetInputMethodWindowVisibleHeight()

        return mWindowManagerService.getInputMethodWindowVisibleHeight();
public android.view.inputmethod.InputMethodSubtypegetLastInputMethodSubtype()

        if (!calledFromValidUser()) {
            return null;
        }
        synchronized (mMethodMap) {
            final Pair<String, String> lastIme = mSettings.getLastInputMethodAndSubtypeLocked();
            // TODO: Handle the case of the last IME with no subtypes
            if (lastIme == null || TextUtils.isEmpty(lastIme.first)
                    || TextUtils.isEmpty(lastIme.second)) return null;
            final InputMethodInfo lastImi = mMethodMap.get(lastIme.first);
            if (lastImi == null) return null;
            try {
                final int lastSubtypeHash = Integer.valueOf(lastIme.second);
                final int lastSubtypeId =
                        InputMethodUtils.getSubtypeIdFromHashCode(lastImi, lastSubtypeHash);
                if (lastSubtypeId < 0 || lastSubtypeId >= lastImi.getSubtypeCount()) {
                    return null;
                }
                return lastImi.getSubtypeAt(lastSubtypeId);
            } catch (NumberFormatException e) {
                return null;
            }
        }
public java.util.ListgetShortcutInputMethodsAndSubtypes()

        synchronized (mMethodMap) {
            ArrayList<Object> ret = new ArrayList<Object>();
            if (mShortcutInputMethodsAndSubtypes.size() == 0) {
                // If there are no selected shortcut subtypes, the framework will try to find
                // the most applicable subtype from all subtypes whose mode is
                // SUBTYPE_MODE_VOICE. This is an exceptional case, so we will hardcode the mode.
                Pair<InputMethodInfo, InputMethodSubtype> info =
                    findLastResortApplicableShortcutInputMethodAndSubtypeLocked(
                            InputMethodUtils.SUBTYPE_MODE_VOICE);
                if (info != null) {
                    ret.add(info.first);
                    ret.add(info.second);
                }
                return ret;
            }
            for (InputMethodInfo imi: mShortcutInputMethodsAndSubtypes.keySet()) {
                ret.add(imi);
                for (InputMethodSubtype subtype: mShortcutInputMethodsAndSubtypes.get(imi)) {
                    ret.add(subtype);
                }
            }
            return ret;
        }
public booleanhandleMessage(android.os.Message msg)

        SomeArgs args;
        switch (msg.what) {
            case MSG_SHOW_IM_PICKER:
                showInputMethodMenu();
                return true;

            case MSG_SHOW_IM_SUBTYPE_PICKER:
                showInputMethodSubtypeMenu();
                return true;

            case MSG_SHOW_IM_SUBTYPE_ENABLER:
                args = (SomeArgs)msg.obj;
                showInputMethodAndSubtypeEnabler((String)args.arg1);
                args.recycle();
                return true;

            case MSG_SHOW_IM_CONFIG:
                showConfigureInputMethods();
                return true;

            // ---------------------------------------------------------

            case MSG_UNBIND_INPUT:
                try {
                    ((IInputMethod)msg.obj).unbindInput();
                } catch (RemoteException e) {
                    // There is nothing interesting about the method dying.
                }
                return true;
            case MSG_BIND_INPUT:
                args = (SomeArgs)msg.obj;
                try {
                    ((IInputMethod)args.arg1).bindInput((InputBinding)args.arg2);
                } catch (RemoteException e) {
                }
                args.recycle();
                return true;
            case MSG_SHOW_SOFT_INPUT:
                args = (SomeArgs)msg.obj;
                try {
                    if (DEBUG) Slog.v(TAG, "Calling " + args.arg1 + ".showSoftInput("
                            + msg.arg1 + ", " + args.arg2 + ")");
                    ((IInputMethod)args.arg1).showSoftInput(msg.arg1, (ResultReceiver)args.arg2);
                } catch (RemoteException e) {
                }
                args.recycle();
                return true;
            case MSG_HIDE_SOFT_INPUT:
                args = (SomeArgs)msg.obj;
                try {
                    if (DEBUG) Slog.v(TAG, "Calling " + args.arg1 + ".hideSoftInput(0, "
                            + args.arg2 + ")");
                    ((IInputMethod)args.arg1).hideSoftInput(0, (ResultReceiver)args.arg2);
                } catch (RemoteException e) {
                }
                args.recycle();
                return true;
            case MSG_ATTACH_TOKEN:
                args = (SomeArgs)msg.obj;
                try {
                    if (DEBUG) Slog.v(TAG, "Sending attach of token: " + args.arg2);
                    ((IInputMethod)args.arg1).attachToken((IBinder)args.arg2);
                } catch (RemoteException e) {
                }
                args.recycle();
                return true;
            case MSG_CREATE_SESSION: {
                args = (SomeArgs)msg.obj;
                IInputMethod method = (IInputMethod)args.arg1;
                InputChannel channel = (InputChannel)args.arg2;
                try {
                    method.createSession(channel, (IInputSessionCallback)args.arg3);
                } catch (RemoteException e) {
                } finally {
                    // Dispose the channel if the input method is not local to this process
                    // because the remote proxy will get its own copy when unparceled.
                    if (channel != null && Binder.isProxy(method)) {
                        channel.dispose();
                    }
                }
                args.recycle();
                return true;
            }
            // ---------------------------------------------------------

            case MSG_START_INPUT:
                args = (SomeArgs)msg.obj;
                try {
                    SessionState session = (SessionState)args.arg1;
                    setEnabledSessionInMainThread(session);
                    session.method.startInput((IInputContext)args.arg2,
                            (EditorInfo)args.arg3);
                } catch (RemoteException e) {
                }
                args.recycle();
                return true;
            case MSG_RESTART_INPUT:
                args = (SomeArgs)msg.obj;
                try {
                    SessionState session = (SessionState)args.arg1;
                    setEnabledSessionInMainThread(session);
                    session.method.restartInput((IInputContext)args.arg2,
                            (EditorInfo)args.arg3);
                } catch (RemoteException e) {
                }
                args.recycle();
                return true;

            // ---------------------------------------------------------

            case MSG_UNBIND_METHOD:
                try {
                    ((IInputMethodClient)msg.obj).onUnbindMethod(msg.arg1);
                } catch (RemoteException e) {
                    // There is nothing interesting about the last client dying.
                }
                return true;
            case MSG_BIND_METHOD: {
                args = (SomeArgs)msg.obj;
                IInputMethodClient client = (IInputMethodClient)args.arg1;
                InputBindResult res = (InputBindResult)args.arg2;
                try {
                    client.onBindMethod(res);
                } catch (RemoteException e) {
                    Slog.w(TAG, "Client died receiving input method " + args.arg2);
                } finally {
                    // Dispose the channel if the input method is not local to this process
                    // because the remote proxy will get its own copy when unparceled.
                    if (res.channel != null && Binder.isProxy(client)) {
                        res.channel.dispose();
                    }
                }
                args.recycle();
                return true;
            }
            case MSG_SET_ACTIVE:
                try {
                    ((ClientState)msg.obj).client.setActive(msg.arg1 != 0);
                } catch (RemoteException e) {
                    Slog.w(TAG, "Got RemoteException sending setActive(false) notification to pid "
                            + ((ClientState)msg.obj).pid + " uid "
                            + ((ClientState)msg.obj).uid);
                }
                return true;
            case MSG_SET_USER_ACTION_NOTIFICATION_SEQUENCE_NUMBER: {
                final int sequenceNumber = msg.arg1;
                final ClientState clientState = (ClientState)msg.obj;
                try {
                    clientState.client.setUserActionNotificationSequenceNumber(sequenceNumber);
                } catch (RemoteException e) {
                    Slog.w(TAG, "Got RemoteException sending "
                            + "setUserActionNotificationSequenceNumber("
                            + sequenceNumber + ") notification to pid "
                            + clientState.pid + " uid "
                            + clientState.uid);
                }
                return true;
            }

            // --------------------------------------------------------------
            case MSG_HARD_KEYBOARD_SWITCH_CHANGED:
                mHardKeyboardListener.handleHardKeyboardStatusChange(msg.arg1 == 1);
                return true;
        }
        return false;
booleanhideCurrentInputLocked(int flags, android.os.ResultReceiver resultReceiver)

        if ((flags&InputMethodManager.HIDE_IMPLICIT_ONLY) != 0
                && (mShowExplicitlyRequested || mShowForced)) {
            if (DEBUG) Slog.v(TAG, "Not hiding: explicit show not cancelled by non-explicit hide");
            return false;
        }
        if (mShowForced && (flags&InputMethodManager.HIDE_NOT_ALWAYS) != 0) {
            if (DEBUG) Slog.v(TAG, "Not hiding: forced show not cancelled by not-always hide");
            return false;
        }
        boolean res;
        if (mInputShown && mCurMethod != null) {
            executeOrSendMessage(mCurMethod, mCaller.obtainMessageOO(
                    MSG_HIDE_SOFT_INPUT, mCurMethod, resultReceiver));
            res = true;
        } else {
            res = false;
        }
        if (mHaveConnection && mVisibleBound) {
            mContext.unbindService(mVisibleConnection);
            mVisibleBound = false;
        }
        mInputShown = false;
        mShowRequested = false;
        mShowExplicitlyRequested = false;
        mShowForced = false;
        return res;
voidhideInputMethodMenu()

        synchronized (mMethodMap) {
            hideInputMethodMenuLocked();
        }
voidhideInputMethodMenuLocked()

        if (DEBUG) Slog.v(TAG, "Hide switching menu");

        if (mSwitchingDialog != null) {
            mSwitchingDialog.dismiss();
            mSwitchingDialog = null;
        }

        updateImeWindowStatusLocked();
        mDialogBuilder = null;
        mIms = null;
public voidhideMySoftInput(android.os.IBinder token, int flags)

        if (!calledFromValidUser()) {
            return;
        }
        synchronized (mMethodMap) {
            if (!calledWithValidToken(token)) {
                final int uid = Binder.getCallingUid();
                Slog.e(TAG, "Ignoring hideInputMethod due to an invalid token. uid:"
                        + uid + " token:" + token);
                return;
            }
            long ident = Binder.clearCallingIdentity();
            try {
                hideCurrentInputLocked(flags, null);
            } finally {
                Binder.restoreCallingIdentity(ident);
            }
        }
public booleanhideSoftInput(com.android.internal.view.IInputMethodClient client, int flags, android.os.ResultReceiver resultReceiver)

        if (!calledFromValidUser()) {
            return false;
        }
        int uid = Binder.getCallingUid();
        long ident = Binder.clearCallingIdentity();
        try {
            synchronized (mMethodMap) {
                if (mCurClient == null || client == null
                        || mCurClient.client.asBinder() != client.asBinder()) {
                    try {
                        // We need to check if this is the current client with
                        // focus in the window manager, to allow this call to
                        // be made before input is started in it.
                        if (!mIWindowManager.inputMethodClientHasFocus(client)) {
                            if (DEBUG) Slog.w(TAG, "Ignoring hideSoftInput of uid "
                                    + uid + ": " + client);
                            setImeWindowVisibilityStatusHiddenLocked();
                            return false;
                        }
                    } catch (RemoteException e) {
                        setImeWindowVisibilityStatusHiddenLocked();
                        return false;
                    }
                }

                if (DEBUG) Slog.v(TAG, "Client requesting input be hidden");
                return hideCurrentInputLocked(flags, resultReceiver);
            }
        } finally {
            Binder.restoreCallingIdentity(ident);
        }
private booleanisKeyguardLocked()

        return mKeyguardManager != null && mKeyguardManager.isKeyguardLocked();
private booleanisScreenLocked()

        return mKeyguardManager != null
                && mKeyguardManager.isKeyguardLocked() && mKeyguardManager.isKeyguardSecure();
private booleanneedsToShowImeSwitchOngoingNotification()

        if (!mShowOngoingImeSwitcherForPhones) return false;
        if (mSwitchingDialog != null) return false;
        if (isScreenLocked()) return false;
        synchronized (mMethodMap) {
            List<InputMethodInfo> imis = mSettings.getEnabledInputMethodListLocked();
            final int N = imis.size();
            if (N > 2) return true;
            if (N < 1) return false;
            int nonAuxCount = 0;
            int auxCount = 0;
            InputMethodSubtype nonAuxSubtype = null;
            InputMethodSubtype auxSubtype = null;
            for(int i = 0; i < N; ++i) {
                final InputMethodInfo imi = imis.get(i);
                final List<InputMethodSubtype> subtypes =
                        mSettings.getEnabledInputMethodSubtypeListLocked(mContext, imi, true);
                final int subtypeCount = subtypes.size();
                if (subtypeCount == 0) {
                    ++nonAuxCount;
                } else {
                    for (int j = 0; j < subtypeCount; ++j) {
                        final InputMethodSubtype subtype = subtypes.get(j);
                        if (!subtype.isAuxiliary()) {
                            ++nonAuxCount;
                            nonAuxSubtype = subtype;
                        } else {
                            ++auxCount;
                            auxSubtype = subtype;
                        }
                    }
                }
            }
            if (nonAuxCount > 1 || auxCount > 1) {
                return true;
            } else if (nonAuxCount == 1 && auxCount == 1) {
                if (nonAuxSubtype != null && auxSubtype != null
                        && (nonAuxSubtype.getLocale().equals(auxSubtype.getLocale())
                                || auxSubtype.overridesImplicitlyEnabledSubtype()
                                || nonAuxSubtype.overridesImplicitlyEnabledSubtype())
                        && nonAuxSubtype.containsExtraValueKey(TAG_TRY_SUPPRESSING_IME_SWITCHER)) {
                    return false;
                }
                return true;
            }
            return false;
        }
public booleannotifySuggestionPicked(android.text.style.SuggestionSpan span, java.lang.String originalString, int index)

        if (!calledFromValidUser()) {
            return false;
        }
        synchronized (mMethodMap) {
            final InputMethodInfo targetImi = mSecureSuggestionSpans.get(span);
            // TODO: Do not send the intent if the process of the targetImi is already dead.
            if (targetImi != null) {
                final String[] suggestions = span.getSuggestions();
                if (index < 0 || index >= suggestions.length) return false;
                final String className = span.getNotificationTargetClassName();
                final Intent intent = new Intent();
                // Ensures that only a class in the original IME package will receive the
                // notification.
                intent.setClassName(targetImi.getPackageName(), className);
                intent.setAction(SuggestionSpan.ACTION_SUGGESTION_PICKED);
                intent.putExtra(SuggestionSpan.SUGGESTION_SPAN_PICKED_BEFORE, originalString);
                intent.putExtra(SuggestionSpan.SUGGESTION_SPAN_PICKED_AFTER, suggestions[index]);
                intent.putExtra(SuggestionSpan.SUGGESTION_SPAN_PICKED_HASHCODE, span.hashCode());
                final long ident = Binder.clearCallingIdentity();
                try {
                    mContext.sendBroadcastAsUser(intent, UserHandle.CURRENT);
                } finally {
                    Binder.restoreCallingIdentity(ident);
                }
                return true;
            }
        }
        return false;
public voidnotifyUserAction(int sequenceNumber)

        if (DEBUG) {
            Slog.d(TAG, "Got the notification of a user action. sequenceNumber:" + sequenceNumber);
        }
        synchronized (mMethodMap) {
            if (mCurUserActionNotificationSequenceNumber != sequenceNumber) {
                if (DEBUG) {
                    Slog.d(TAG, "Ignoring the user action notification due to the sequence number "
                            + "mismatch. expected:" + mCurUserActionNotificationSequenceNumber
                            + " actual: " + sequenceNumber);
                }
                return;
            }
            final InputMethodInfo imi = mMethodMap.get(mCurMethodId);
            if (imi != null) {
                mSwitchingController.onUserActionLocked(imi, mCurrentSubtype);
            }
        }
public voidonServiceConnected(android.content.ComponentName name, android.os.IBinder service)

        synchronized (mMethodMap) {
            if (mCurIntent != null && name.equals(mCurIntent.getComponent())) {
                mCurMethod = IInputMethod.Stub.asInterface(service);
                if (mCurToken == null) {
                    Slog.w(TAG, "Service connected without a token!");
                    unbindCurrentMethodLocked(false, false);
                    return;
                }
                if (DEBUG) Slog.v(TAG, "Initiating attach with token: " + mCurToken);
                executeOrSendMessage(mCurMethod, mCaller.obtainMessageOO(
                        MSG_ATTACH_TOKEN, mCurMethod, mCurToken));
                if (mCurClient != null) {
                    clearClientSessionLocked(mCurClient);
                    requestClientSessionLocked(mCurClient);
                }
            }
        }
public voidonServiceDisconnected(android.content.ComponentName name)

        synchronized (mMethodMap) {
            if (DEBUG) Slog.v(TAG, "Service disconnected: " + name
                    + " mCurIntent=" + mCurIntent);
            if (mCurMethod != null && mCurIntent != null
                    && name.equals(mCurIntent.getComponent())) {
                clearCurMethodLocked();
                // We consider this to be a new bind attempt, since the system
                // should now try to restart the service for us.
                mLastBindTime = SystemClock.uptimeMillis();
                mShowRequested = mInputShown;
                mInputShown = false;
                if (mCurClient != null) {
                    executeOrSendMessage(mCurClient.client, mCaller.obtainMessageIO(
                            MSG_UNBIND_METHOD, mCurSeq, mCurClient.client));
                }
            }
        }
voidonSessionCreated(com.android.internal.view.IInputMethod method, com.android.internal.view.IInputMethodSession session, android.view.InputChannel channel)

        synchronized (mMethodMap) {
            if (mCurMethod != null && method != null
                    && mCurMethod.asBinder() == method.asBinder()) {
                if (mCurClient != null) {
                    clearClientSessionLocked(mCurClient);
                    mCurClient.curSession = new SessionState(mCurClient,
                            method, session, channel);
                    InputBindResult res = attachNewInputLocked(true);
                    if (res.method != null) {
                        executeOrSendMessage(mCurClient.client, mCaller.obtainMessageOO(
                                MSG_BIND_METHOD, mCurClient.client, res));
                    }
                    return;
                }
            }
        }

        // Session abandoned.  Close its associated input channel.
        channel.dispose();
public booleanonTransact(int code, android.os.Parcel data, android.os.Parcel reply, int flags)

        try {
            return super.onTransact(code, data, reply, flags);
        } catch (RuntimeException e) {
            // The input method manager only throws security exceptions, so let's
            // log all others.
            if (!(e instanceof SecurityException)) {
                Slog.wtf(TAG, "Input Method Manager Crash", e);
            }
            throw e;
        }
private voidrefreshImeWindowVisibilityLocked()

        final Configuration conf = mRes.getConfiguration();
        final boolean haveHardKeyboard = conf.keyboard
                != Configuration.KEYBOARD_NOKEYS;
        final boolean hardKeyShown = haveHardKeyboard
                && conf.hardKeyboardHidden
                        != Configuration.HARDKEYBOARDHIDDEN_YES;

        final boolean isScreenLocked = isKeyguardLocked();
        final boolean inputActive = !isScreenLocked && (mInputShown || hardKeyShown);
        // We assume the softkeyboard is shown when the input is active as long as the
        // hard keyboard is not shown.
        final boolean inputVisible = inputActive && !hardKeyShown;
        mImeWindowVis = (inputActive ? InputMethodService.IME_ACTIVE : 0)
                | (inputVisible ? InputMethodService.IME_VISIBLE : 0);
        updateImeWindowStatusLocked();
public voidregisterSuggestionSpansForNotification(android.text.style.SuggestionSpan[] spans)

        if (!calledFromValidUser()) {
            return;
        }
        synchronized (mMethodMap) {
            final InputMethodInfo currentImi = mMethodMap.get(mCurMethodId);
            for (int i = 0; i < spans.length; ++i) {
                SuggestionSpan ss = spans[i];
                if (!TextUtils.isEmpty(ss.getNotificationTargetClassName())) {
                    mSecureSuggestionSpans.put(ss, currentImi);
                }
            }
        }
public voidremoveClient(com.android.internal.view.IInputMethodClient client)

        if (!calledFromValidUser()) {
            return;
        }
        synchronized (mMethodMap) {
            ClientState cs = mClients.remove(client.asBinder());
            if (cs != null) {
                clearClientSessionLocked(cs);
            }
        }
voidrequestClientSessionLocked(com.android.server.InputMethodManagerService$ClientState cs)

        if (!cs.sessionRequested) {
            if (DEBUG) Slog.v(TAG, "Creating new session for client " + cs);
            InputChannel[] channels = InputChannel.openInputChannelPair(cs.toString());
            cs.sessionRequested = true;
            executeOrSendMessage(mCurMethod, mCaller.obtainMessageOOO(
                    MSG_CREATE_SESSION, mCurMethod, channels[1],
                    new MethodCallback(this, mCurMethod, channels[0])));
        }
private voidresetAllInternalStateLocked(boolean updateOnlyWhenLocaleChanged, boolean resetDefaultEnabledIme)

        if (!mSystemReady) {
            // not system ready
            return;
        }
        final Locale newLocale = mRes.getConfiguration().locale;
        if (!updateOnlyWhenLocaleChanged
                || (newLocale != null && !newLocale.equals(mLastSystemLocale))) {
            if (!updateOnlyWhenLocaleChanged) {
                hideCurrentInputLocked(0, null);
                mCurMethodId = null;
                unbindCurrentMethodLocked(true, false);
            }
            if (DEBUG) {
                Slog.i(TAG, "Locale has been changed to " + newLocale);
            }
            buildInputMethodListLocked(mMethodList, mMethodMap, resetDefaultEnabledIme);
            if (!updateOnlyWhenLocaleChanged) {
                final String selectedImiId = mSettings.getSelectedInputMethod();
                if (TextUtils.isEmpty(selectedImiId)) {
                    // This is the first time of the user switch and
                    // set the current ime to the proper one.
                    resetDefaultImeLocked(mContext);
                }
            } else {
                // If the locale is changed, needs to reset the default ime
                resetDefaultImeLocked(mContext);
            }
            updateFromSettingsLocked(true);
            mLastSystemLocale = newLocale;
            if (!updateOnlyWhenLocaleChanged) {
                try {
                    startInputInnerLocked();
                } catch (RuntimeException e) {
                    Slog.w(TAG, "Unexpected exception", e);
                }
            }
        }
private voidresetDefaultImeLocked(android.content.Context context)

        // Do not reset the default (current) IME when it is a 3rd-party IME
        if (mCurMethodId != null
                && !InputMethodUtils.isSystemIme(mMethodMap.get(mCurMethodId))) {
            return;
        }

        InputMethodInfo defIm = null;
        for (InputMethodInfo imi : mMethodList) {
            if (defIm == null) {
                if (InputMethodUtils.isValidSystemDefaultIme(
                        mSystemReady, imi, context)) {
                    defIm = imi;
                    Slog.i(TAG, "Selected default: " + imi.getId());
                }
            }
        }
        if (defIm == null && mMethodList.size() > 0) {
            defIm = InputMethodUtils.getMostApplicableDefaultIME(
                    mSettings.getEnabledInputMethodListLocked());
            if (defIm != null) {
                Slog.i(TAG, "Default found, using " + defIm.getId());
            } else {
                Slog.i(TAG, "No default found");
            }
        }
        if (defIm != null) {
            setSelectedInputMethodAndSubtypeLocked(defIm, NOT_A_SUBTYPE_ID, false);
        }
private voidresetSelectedInputMethodAndSubtypeLocked(java.lang.String newDefaultIme)

        InputMethodInfo imi = mMethodMap.get(newDefaultIme);
        int lastSubtypeId = NOT_A_SUBTYPE_ID;
        // newDefaultIme is empty when there is no candidate for the selected IME.
        if (imi != null && !TextUtils.isEmpty(newDefaultIme)) {
            String subtypeHashCode = mSettings.getLastSubtypeForInputMethodLocked(newDefaultIme);
            if (subtypeHashCode != null) {
                try {
                    lastSubtypeId = InputMethodUtils.getSubtypeIdFromHashCode(
                            imi, Integer.valueOf(subtypeHashCode));
                } catch (NumberFormatException e) {
                    Slog.w(TAG, "HashCode for subtype looks broken: " + subtypeHashCode, e);
                }
            }
        }
        setSelectedInputMethodAndSubtypeLocked(imi, lastSubtypeId, false);
private voidresetStateIfCurrentLocaleChangedLocked()

        resetAllInternalStateLocked(true /* updateOnlyWhenLocaleChanged */,
                true /* resetDefaultImeLocked */);
public voidsetAdditionalInputMethodSubtypes(java.lang.String imiId, android.view.inputmethod.InputMethodSubtype[] subtypes)

        if (!calledFromValidUser()) {
            return;
        }
        // By this IPC call, only a process which shares the same uid with the IME can add
        // additional input method subtypes to the IME.
        if (TextUtils.isEmpty(imiId) || subtypes == null || subtypes.length == 0) return;
        synchronized (mMethodMap) {
            final InputMethodInfo imi = mMethodMap.get(imiId);
            if (imi == null) return;
            final String[] packageInfos;
            try {
                packageInfos = mIPackageManager.getPackagesForUid(Binder.getCallingUid());
            } catch (RemoteException e) {
                Slog.e(TAG, "Failed to get package infos");
                return;
            }
            if (packageInfos != null) {
                final int packageNum = packageInfos.length;
                for (int i = 0; i < packageNum; ++i) {
                    if (packageInfos[i].equals(imi.getPackageName())) {
                        mFileManager.addInputMethodSubtypes(imi, subtypes);
                        final long ident = Binder.clearCallingIdentity();
                        try {
                            buildInputMethodListLocked(mMethodList, mMethodMap,
                                    false /* resetDefaultEnabledIme */);
                        } finally {
                            Binder.restoreCallingIdentity(ident);
                        }
                        return;
                    }
                }
            }
        }
        return;
public booleansetCurrentInputMethodSubtype(android.view.inputmethod.InputMethodSubtype subtype)

        // TODO: Make this work even for non-current users?
        if (!calledFromValidUser()) {
            return false;
        }
        synchronized (mMethodMap) {
            if (subtype != null && mCurMethodId != null) {
                InputMethodInfo imi = mMethodMap.get(mCurMethodId);
                int subtypeId = InputMethodUtils.getSubtypeIdFromHashCode(imi, subtype.hashCode());
                if (subtypeId != NOT_A_SUBTYPE_ID) {
                    setInputMethodLocked(mCurMethodId, subtypeId);
                    return true;
                }
            }
            return false;
        }
voidsetEnabledSessionInMainThread(com.android.server.InputMethodManagerService$SessionState session)

        if (mEnabledSession != session) {
            if (mEnabledSession != null && mEnabledSession.session != null) {
                try {
                    if (DEBUG) Slog.v(TAG, "Disabling: " + mEnabledSession);
                    mEnabledSession.method.setSessionEnabled(mEnabledSession.session, false);
                } catch (RemoteException e) {
                }
            }
            mEnabledSession = session;
            if (mEnabledSession != null && mEnabledSession.session != null) {
                try {
                    if (DEBUG) Slog.v(TAG, "Enabling: " + mEnabledSession);
                    mEnabledSession.method.setSessionEnabled(mEnabledSession.session, true);
                } catch (RemoteException e) {
                }
            }
        }
public voidsetImeWindowStatus(android.os.IBinder token, int vis, int backDisposition)

        final long ident = Binder.clearCallingIdentity();
        try {
            if (!calledWithValidToken(token)) {
                final int uid = Binder.getCallingUid();
                Slog.e(TAG, "Ignoring setImeWindowStatus due to an invalid token. uid:" + uid
                        + " token:" + token);
                return;
            }
            synchronized (mMethodMap) {
                // apply policy for binder calls
                if (vis != 0 && isKeyguardLocked() && !mCurClientInKeyguard) {
                    vis = 0;
                }
                mImeWindowVis = vis;
                mBackDisposition = backDisposition;
                final boolean iconVisibility = ((vis & (InputMethodService.IME_ACTIVE)) != 0)
                        && (mWindowManagerService.isHardKeyboardAvailable()
                                || (vis & (InputMethodService.IME_VISIBLE)) != 0);
                final boolean needsToShowImeSwitcher = iconVisibility
                        && needsToShowImeSwitchOngoingNotification();
                if (mStatusBar != null) {
                    mStatusBar.setImeWindowStatus(token, vis, backDisposition,
                            needsToShowImeSwitcher);
                }
                final InputMethodInfo imi = mMethodMap.get(mCurMethodId);
                if (imi != null && needsToShowImeSwitcher) {
                    // Used to load label
                    final CharSequence title = mRes.getText(
                            com.android.internal.R.string.select_input_method);
                    final CharSequence summary = InputMethodUtils.getImeAndSubtypeDisplayName(
                            mContext, imi, mCurrentSubtype);

                    mImeSwitcherNotification.color = mContext.getResources().getColor(
                            com.android.internal.R.color.system_notification_accent_color);
                    mImeSwitcherNotification.setLatestEventInfo(
                            mContext, title, summary, mImeSwitchPendingIntent);
                    if ((mNotificationManager != null)
                            && !mWindowManagerService.hasNavigationBar()) {
                        if (DEBUG) {
                            Slog.d(TAG, "--- show notification: label =  " + summary);
                        }
                        mNotificationManager.notifyAsUser(null,
                                com.android.internal.R.string.select_input_method,
                                mImeSwitcherNotification, UserHandle.ALL);
                        mNotificationShown = true;
                    }
                } else {
                    if (mNotificationShown && mNotificationManager != null) {
                        if (DEBUG) {
                            Slog.d(TAG, "--- hide notification");
                        }
                        mNotificationManager.cancelAsUser(null,
                                com.android.internal.R.string.select_input_method, UserHandle.ALL);
                        mNotificationShown = false;
                    }
                }
            }
        } finally {
            Binder.restoreCallingIdentity(ident);
        }
private voidsetImeWindowVisibilityStatusHiddenLocked()

        mImeWindowVis = 0;
        updateImeWindowStatusLocked();
public voidsetInputMethod(android.os.IBinder token, java.lang.String id)

        if (!calledFromValidUser()) {
            return;
        }
        setInputMethodWithSubtypeId(token, id, NOT_A_SUBTYPE_ID);
public voidsetInputMethodAndSubtype(android.os.IBinder token, java.lang.String id, android.view.inputmethod.InputMethodSubtype subtype)

        if (!calledFromValidUser()) {
            return;
        }
        synchronized (mMethodMap) {
            if (subtype != null) {
                setInputMethodWithSubtypeIdLocked(token, id,
                        InputMethodUtils.getSubtypeIdFromHashCode(mMethodMap.get(id),
                                subtype.hashCode()));
            } else {
                setInputMethod(token, id);
            }
        }
public booleansetInputMethodEnabled(java.lang.String id, boolean enabled)

        // TODO: Make this work even for non-current users?
        if (!calledFromValidUser()) {
            return false;
        }
        synchronized (mMethodMap) {
            if (mContext.checkCallingOrSelfPermission(
                    android.Manifest.permission.WRITE_SECURE_SETTINGS)
                    != PackageManager.PERMISSION_GRANTED) {
                throw new SecurityException(
                        "Requires permission "
                        + android.Manifest.permission.WRITE_SECURE_SETTINGS);
            }
            
            long ident = Binder.clearCallingIdentity();
            try {
                return setInputMethodEnabledLocked(id, enabled);
            } finally {
                Binder.restoreCallingIdentity(ident);
            }
        }
booleansetInputMethodEnabledLocked(java.lang.String id, boolean enabled)

        // Make sure this is a valid input method.
        InputMethodInfo imm = mMethodMap.get(id);
        if (imm == null) {
            throw new IllegalArgumentException("Unknown id: " + mCurMethodId);
        }

        List<Pair<String, ArrayList<String>>> enabledInputMethodsList = mSettings
                .getEnabledInputMethodsAndSubtypeListLocked();

        if (enabled) {
            for (Pair<String, ArrayList<String>> pair: enabledInputMethodsList) {
                if (pair.first.equals(id)) {
                    // We are enabling this input method, but it is already enabled.
                    // Nothing to do. The previous state was enabled.
                    return true;
                }
            }
            mSettings.appendAndPutEnabledInputMethodLocked(id, false);
            // Previous state was disabled.
            return false;
        } else {
            StringBuilder builder = new StringBuilder();
            if (mSettings.buildAndPutEnabledInputMethodsStrRemovingIdLocked(
                    builder, enabledInputMethodsList, id)) {
                // Disabled input method is currently selected, switch to another one.
                final String selId = mSettings.getSelectedInputMethod();
                if (id.equals(selId) && !chooseNewDefaultIMELocked()) {
                    Slog.i(TAG, "Can't find new IME, unsetting the current input method.");
                    resetSelectedInputMethodAndSubtypeLocked("");
                }
                // Previous state was enabled.
                return true;
            } else {
                // We are disabling the input method but it is already disabled.
                // Nothing to do.  The previous state was disabled.
                return false;
            }
        }
voidsetInputMethodLocked(java.lang.String id, int subtypeId)

        InputMethodInfo info = mMethodMap.get(id);
        if (info == null) {
            throw new IllegalArgumentException("Unknown id: " + id);
        }

        if (mCurClient != null && mCurAttribute != null) {
            final int uid = mCurClient.uid;
            final String packageName = mCurAttribute.packageName;
            if (SystemConfig.getInstance().getFixedImeApps().contains(packageName)) {
                if (InputMethodUtils.checkIfPackageBelongsToUid(mAppOpsManager, uid, packageName)) {
                    return;
                }
                // TODO: Do we need to lock the input method when the application reported an
                // incorrect package name?
                Slog.e(TAG, "Ignoring FixedImeApps due to the validation failure. uid=" + uid
                        + " package=" + packageName);
            }
        }

        // See if we need to notify a subtype change within the same IME.
        if (id.equals(mCurMethodId)) {
            final int subtypeCount = info.getSubtypeCount();
            if (subtypeCount <= 0) {
                return;
            }
            final InputMethodSubtype oldSubtype = mCurrentSubtype;
            final InputMethodSubtype newSubtype;
            if (subtypeId >= 0 && subtypeId < subtypeCount) {
                newSubtype = info.getSubtypeAt(subtypeId);
            } else {
                // If subtype is null, try to find the most applicable one from
                // getCurrentInputMethodSubtype.
                newSubtype = getCurrentInputMethodSubtypeLocked();
            }
            if (newSubtype == null || oldSubtype == null) {
                Slog.w(TAG, "Illegal subtype state: old subtype = " + oldSubtype
                        + ", new subtype = " + newSubtype);
                return;
            }
            if (newSubtype != oldSubtype) {
                setSelectedInputMethodAndSubtypeLocked(info, subtypeId, true);
                if (mCurMethod != null) {
                    try {
                        refreshImeWindowVisibilityLocked();
                        mCurMethod.changeInputMethodSubtype(newSubtype);
                    } catch (RemoteException e) {
                        Slog.w(TAG, "Failed to call changeInputMethodSubtype");
                    }
                }
            }
            return;
        }

        // Changing to a different IME.
        final long ident = Binder.clearCallingIdentity();
        try {
            // Set a subtype to this input method.
            // subtypeId the name of a subtype which will be set.
            setSelectedInputMethodAndSubtypeLocked(info, subtypeId, false);
            // mCurMethodId should be updated after setSelectedInputMethodAndSubtypeLocked()
            // because mCurMethodId is stored as a history in
            // setSelectedInputMethodAndSubtypeLocked().
            mCurMethodId = id;

            if (ActivityManagerNative.isSystemReady()) {
                Intent intent = new Intent(Intent.ACTION_INPUT_METHOD_CHANGED);
                intent.addFlags(Intent.FLAG_RECEIVER_REPLACE_PENDING);
                intent.putExtra("input_method_id", id);
                mContext.sendBroadcastAsUser(intent, UserHandle.CURRENT);
            }
            unbindCurrentClientLocked();
        } finally {
            Binder.restoreCallingIdentity(ident);
        }
private voidsetInputMethodWithSubtypeId(android.os.IBinder token, java.lang.String id, int subtypeId)

        synchronized (mMethodMap) {
            setInputMethodWithSubtypeIdLocked(token, id, subtypeId);
        }
private voidsetInputMethodWithSubtypeIdLocked(android.os.IBinder token, java.lang.String id, int subtypeId)

        if (token == null) {
            if (mContext.checkCallingOrSelfPermission(
                    android.Manifest.permission.WRITE_SECURE_SETTINGS)
                    != PackageManager.PERMISSION_GRANTED) {
                throw new SecurityException(
                        "Using null token requires permission "
                        + android.Manifest.permission.WRITE_SECURE_SETTINGS);
            }
        } else if (mCurToken != token) {
            Slog.w(TAG, "Ignoring setInputMethod of uid " + Binder.getCallingUid()
                    + " token: " + token);
            return;
        }

        final long ident = Binder.clearCallingIdentity();
        try {
            setInputMethodLocked(id, subtypeId);
        } finally {
            Binder.restoreCallingIdentity(ident);
        }
private voidsetSelectedInputMethodAndSubtypeLocked(android.view.inputmethod.InputMethodInfo imi, int subtypeId, boolean setSubtypeOnly)

        // Update the history of InputMethod and Subtype
        mSettings.saveCurrentInputMethodAndSubtypeToHistory(mCurMethodId, mCurrentSubtype);

        mCurUserActionNotificationSequenceNumber =
                Math.max(mCurUserActionNotificationSequenceNumber + 1, 1);
        if (DEBUG) {
            Slog.d(TAG, "Bump mCurUserActionNotificationSequenceNumber:"
                    + mCurUserActionNotificationSequenceNumber);
        }

        if (mCurClient != null && mCurClient.client != null) {
            executeOrSendMessage(mCurClient.client, mCaller.obtainMessageIO(
                    MSG_SET_USER_ACTION_NOTIFICATION_SEQUENCE_NUMBER,
                    mCurUserActionNotificationSequenceNumber, mCurClient));
        }

        // Set Subtype here
        if (imi == null || subtypeId < 0) {
            mSettings.putSelectedSubtype(NOT_A_SUBTYPE_ID);
            mCurrentSubtype = null;
        } else {
            if (subtypeId < imi.getSubtypeCount()) {
                InputMethodSubtype subtype = imi.getSubtypeAt(subtypeId);
                mSettings.putSelectedSubtype(subtype.hashCode());
                mCurrentSubtype = subtype;
            } else {
                mSettings.putSelectedSubtype(NOT_A_SUBTYPE_ID);
                // If the subtype is not specified, choose the most applicable one
                mCurrentSubtype = getCurrentInputMethodSubtypeLocked();
            }
        }

        // Workaround.
        // ASEC is not ready in the IMMS constructor. Accordingly, forward-locked
        // IMEs are not recognized and considered uninstalled.
        // Actually, we can't move everything after SystemReady because
        // IMMS needs to run in the encryption lock screen. So, we just skip changing
        // the default IME here and try cheking the default IME again in systemReady().
        // TODO: Do nothing before system ready and implement a separated logic for
        // the encryption lock screen.
        // TODO: ASEC should be ready before IMMS is instantiated.
        if (mSystemReady && !setSubtypeOnly) {
            // Set InputMethod here
            mSettings.putSelectedInputMethod(imi != null ? imi.getId() : "");
        }
public booleanshouldOfferSwitchingToNextInputMethod(android.os.IBinder token)

        if (!calledFromValidUser()) {
            return false;
        }
        synchronized (mMethodMap) {
            if (!calledWithValidToken(token)) {
                final int uid = Binder.getCallingUid();
                Slog.e(TAG, "Ignoring shouldOfferSwitchingToNextInputMethod due to an invalid "
                        + "token. uid:" + uid + " token:" + token);
                return false;
            }
            final ImeSubtypeListItem nextSubtype = mSwitchingController.getNextInputMethodLocked(
                    false /* onlyCurrentIme */, mMethodMap.get(mCurMethodId), mCurrentSubtype);
            if (nextSubtype == null) {
                return false;
            }
            return true;
        }
private voidshowConfigureInputMethods()

        Intent intent = new Intent(Settings.ACTION_INPUT_METHOD_SETTINGS);
        intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK
                | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED
                | Intent.FLAG_ACTIVITY_CLEAR_TOP);
        mContext.startActivityAsUser(intent, null, UserHandle.CURRENT);
booleanshowCurrentInputLocked(int flags, android.os.ResultReceiver resultReceiver)

        mShowRequested = true;
        if ((flags&InputMethodManager.SHOW_IMPLICIT) == 0) {
            mShowExplicitlyRequested = true;
        }
        if ((flags&InputMethodManager.SHOW_FORCED) != 0) {
            mShowExplicitlyRequested = true;
            mShowForced = true;
        }

        if (!mSystemReady) {
            return false;
        }

        boolean res = false;
        if (mCurMethod != null) {
            if (DEBUG) Slog.d(TAG, "showCurrentInputLocked: mCurToken=" + mCurToken);
            executeOrSendMessage(mCurMethod, mCaller.obtainMessageIOO(
                    MSG_SHOW_SOFT_INPUT, getImeShowFlags(), mCurMethod,
                    resultReceiver));
            mInputShown = true;
            if (mHaveConnection && !mVisibleBound) {
                bindCurrentInputMethodService(
                        mCurIntent, mVisibleConnection, Context.BIND_AUTO_CREATE
                                | Context.BIND_TREAT_LIKE_ACTIVITY);
                mVisibleBound = true;
            }
            res = true;
        } else if (mHaveConnection && SystemClock.uptimeMillis()
                >= (mLastBindTime+TIME_TO_RECONNECT)) {
            // The client has asked to have the input method shown, but
            // we have been sitting here too long with a connection to the
            // service and no interface received, so let's disconnect/connect
            // to try to prod things along.
            EventLog.writeEvent(EventLogTags.IMF_FORCE_RECONNECT_IME, mCurMethodId,
                    SystemClock.uptimeMillis()-mLastBindTime,1);
            Slog.w(TAG, "Force disconnect/connect to the IME in showCurrentInputLocked()");
            mContext.unbindService(this);
            bindCurrentInputMethodService(mCurIntent, this, Context.BIND_AUTO_CREATE
                    | Context.BIND_NOT_VISIBLE);
        } else {
            if (DEBUG) {
                Slog.d(TAG, "Can't show input: connection = " + mHaveConnection + ", time = "
                        + ((mLastBindTime+TIME_TO_RECONNECT) - SystemClock.uptimeMillis()));
            }
        }

        return res;
private voidshowInputMethodAndSubtypeEnabler(java.lang.String inputMethodId)

        Intent intent = new Intent(Settings.ACTION_INPUT_METHOD_SUBTYPE_SETTINGS);
        intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK
                | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED
                | Intent.FLAG_ACTIVITY_CLEAR_TOP);
        if (!TextUtils.isEmpty(inputMethodId)) {
            intent.putExtra(Settings.EXTRA_INPUT_METHOD_ID, inputMethodId);
        }
        mContext.startActivityAsUser(intent, null, UserHandle.CURRENT);
public voidshowInputMethodAndSubtypeEnablerFromClient(com.android.internal.view.IInputMethodClient client, java.lang.String inputMethodId)

        if (!calledFromValidUser()) {
            return;
        }
        synchronized (mMethodMap) {
            if (mCurClient == null || client == null
                || mCurClient.client.asBinder() != client.asBinder()) {
                Slog.w(TAG, "Ignoring showInputMethodAndSubtypeEnablerFromClient of: " + client);
            }
            executeOrSendMessage(mCurMethod, mCaller.obtainMessageO(
                    MSG_SHOW_IM_SUBTYPE_ENABLER, inputMethodId));
        }
private voidshowInputMethodMenu()

        showInputMethodMenuInternal(false);
private voidshowInputMethodMenuInternal(boolean showSubtypes)

        if (DEBUG) Slog.v(TAG, "Show switching menu");

        final Context context = mContext;
        final boolean isScreenLocked = isScreenLocked();

        final String lastInputMethodId = mSettings.getSelectedInputMethod();
        int lastInputMethodSubtypeId = mSettings.getSelectedInputMethodSubtypeId(lastInputMethodId);
        if (DEBUG) Slog.v(TAG, "Current IME: " + lastInputMethodId);

        synchronized (mMethodMap) {
            final HashMap<InputMethodInfo, List<InputMethodSubtype>> immis =
                    mSettings.getExplicitlyOrImplicitlyEnabledInputMethodsAndSubtypeListLocked(
                            mContext);
            if (immis == null || immis.size() == 0) {
                return;
            }

            hideInputMethodMenuLocked();

            final List<ImeSubtypeListItem> imList =
                    mSwitchingController.getSortedInputMethodAndSubtypeListLocked(
                            showSubtypes, mInputShown, isScreenLocked);

            if (lastInputMethodSubtypeId == NOT_A_SUBTYPE_ID) {
                final InputMethodSubtype currentSubtype = getCurrentInputMethodSubtypeLocked();
                if (currentSubtype != null) {
                    final InputMethodInfo currentImi = mMethodMap.get(mCurMethodId);
                    lastInputMethodSubtypeId = InputMethodUtils.getSubtypeIdFromHashCode(
                            currentImi, currentSubtype.hashCode());
                }
            }

            final int N = imList.size();
            mIms = new InputMethodInfo[N];
            mSubtypeIds = new int[N];
            int checkedItem = 0;
            for (int i = 0; i < N; ++i) {
                final ImeSubtypeListItem item = imList.get(i);
                mIms[i] = item.mImi;
                mSubtypeIds[i] = item.mSubtypeId;
                if (mIms[i].getId().equals(lastInputMethodId)) {
                    int subtypeId = mSubtypeIds[i];
                    if ((subtypeId == NOT_A_SUBTYPE_ID)
                            || (lastInputMethodSubtypeId == NOT_A_SUBTYPE_ID && subtypeId == 0)
                            || (subtypeId == lastInputMethodSubtypeId)) {
                        checkedItem = i;
                    }
                }
            }

            final Context settingsContext = new ContextThemeWrapper(context,
                    com.android.internal.R.style.Theme_DeviceDefault_Settings);

            mDialogBuilder = new AlertDialog.Builder(settingsContext);
            mDialogBuilder.setOnCancelListener(new OnCancelListener() {
                @Override
                public void onCancel(DialogInterface dialog) {
                    hideInputMethodMenu();
                }
            });

            final Context dialogContext = mDialogBuilder.getContext();
            final TypedArray a = dialogContext.obtainStyledAttributes(null,
                    com.android.internal.R.styleable.DialogPreference,
                    com.android.internal.R.attr.alertDialogStyle, 0);
            final Drawable dialogIcon = a.getDrawable(
                    com.android.internal.R.styleable.DialogPreference_dialogIcon);
            a.recycle();

            mDialogBuilder.setIcon(dialogIcon);

            final LayoutInflater inflater = (LayoutInflater) dialogContext.getSystemService(
                    Context.LAYOUT_INFLATER_SERVICE);
            final View tv = inflater.inflate(
                    com.android.internal.R.layout.input_method_switch_dialog_title, null);
            mDialogBuilder.setCustomTitle(tv);

            // Setup layout for a toggle switch of the hardware keyboard
            mSwitchingDialogTitleView = tv;
            mSwitchingDialogTitleView
                    .findViewById(com.android.internal.R.id.hard_keyboard_section)
                    .setVisibility(mWindowManagerService.isHardKeyboardAvailable()
                            ? View.VISIBLE : View.GONE);
            final Switch hardKeySwitch = (Switch) mSwitchingDialogTitleView.findViewById(
                    com.android.internal.R.id.hard_keyboard_switch);
            hardKeySwitch.setChecked(mShowImeWithHardKeyboard);
            hardKeySwitch.setOnCheckedChangeListener(new OnCheckedChangeListener() {
                @Override
                public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
                    mSettings.setShowImeWithHardKeyboard(isChecked);
                    // Ensure that the input method dialog is dismissed when changing
                    // the hardware keyboard state.
                    hideInputMethodMenu();
                }
            });

            final ImeSubtypeListAdapter adapter = new ImeSubtypeListAdapter(dialogContext,
                    com.android.internal.R.layout.input_method_switch_item, imList, checkedItem);
            final OnClickListener choiceListener = new OnClickListener() {
                @Override
                public void onClick(final DialogInterface dialog, final int which) {
                    synchronized (mMethodMap) {
                        if (mIms == null || mIms.length <= which || mSubtypeIds == null
                                || mSubtypeIds.length <= which) {
                            return;
                        }
                        final InputMethodInfo im = mIms[which];
                        int subtypeId = mSubtypeIds[which];
                        adapter.mCheckedItem = which;
                        adapter.notifyDataSetChanged();
                        hideInputMethodMenu();
                        if (im != null) {
                            if (subtypeId < 0 || subtypeId >= im.getSubtypeCount()) {
                                subtypeId = NOT_A_SUBTYPE_ID;
                            }
                            setInputMethodLocked(im.getId(), subtypeId);
                        }
                    }
                }
            };
            mDialogBuilder.setSingleChoiceItems(adapter, checkedItem, choiceListener);

            if (showSubtypes && !isScreenLocked) {
                final OnClickListener positiveListener = new OnClickListener() {
                    @Override
                    public void onClick(DialogInterface dialog, int whichButton) {
                        showConfigureInputMethods();
                    }
                };
                mDialogBuilder.setPositiveButton(
                        com.android.internal.R.string.configure_input_methods, positiveListener);
            }
            mSwitchingDialog = mDialogBuilder.create();
            mSwitchingDialog.setCanceledOnTouchOutside(true);
            mSwitchingDialog.getWindow().setType(
                    WindowManager.LayoutParams.TYPE_INPUT_METHOD_DIALOG);
            mSwitchingDialog.getWindow().getAttributes().privateFlags |=
                    WindowManager.LayoutParams.PRIVATE_FLAG_SHOW_FOR_ALL_USERS;
            mSwitchingDialog.getWindow().getAttributes().setTitle("Select input method");
            updateImeWindowStatusLocked();
            mSwitchingDialog.show();
        }
public voidshowInputMethodPickerFromClient(com.android.internal.view.IInputMethodClient client)

        if (!calledFromValidUser()) {
            return;
        }
        synchronized (mMethodMap) {
            if (mCurClient == null || client == null
                    || mCurClient.client.asBinder() != client.asBinder()) {
                Slog.w(TAG, "Ignoring showInputMethodPickerFromClient of uid "
                        + Binder.getCallingUid() + ": " + client);
            }

            // Always call subtype picker, because subtype picker is a superset of input method
            // picker.
            mHandler.sendEmptyMessage(MSG_SHOW_IM_SUBTYPE_PICKER);
        }
private voidshowInputMethodSubtypeMenu()

        showInputMethodMenuInternal(true);
public voidshowMySoftInput(android.os.IBinder token, int flags)

        if (!calledFromValidUser()) {
            return;
        }
        synchronized (mMethodMap) {
            if (!calledWithValidToken(token)) {
                final int uid = Binder.getCallingUid();
                Slog.e(TAG, "Ignoring showMySoftInput due to an invalid token. uid:"
                        + uid + " token:" + token);
                return;
            }
            long ident = Binder.clearCallingIdentity();
            try {
                showCurrentInputLocked(flags, null);
            } finally {
                Binder.restoreCallingIdentity(ident);
            }
        }
public booleanshowSoftInput(com.android.internal.view.IInputMethodClient client, int flags, android.os.ResultReceiver resultReceiver)

        if (!calledFromValidUser()) {
            return false;
        }
        int uid = Binder.getCallingUid();
        long ident = Binder.clearCallingIdentity();
        try {
            synchronized (mMethodMap) {
                if (mCurClient == null || client == null
                        || mCurClient.client.asBinder() != client.asBinder()) {
                    try {
                        // We need to check if this is the current client with
                        // focus in the window manager, to allow this call to
                        // be made before input is started in it.
                        if (!mIWindowManager.inputMethodClientHasFocus(client)) {
                            Slog.w(TAG, "Ignoring showSoftInput of uid " + uid + ": " + client);
                            return false;
                        }
                    } catch (RemoteException e) {
                        return false;
                    }
                }

                if (DEBUG) Slog.v(TAG, "Client requesting input be shown");
                return showCurrentInputLocked(flags, resultReceiver);
            }
        } finally {
            Binder.restoreCallingIdentity(ident);
        }
public com.android.internal.view.InputBindResultstartInput(com.android.internal.view.IInputMethodClient client, com.android.internal.view.IInputContext inputContext, android.view.inputmethod.EditorInfo attribute, int controlFlags)

        if (!calledFromValidUser()) {
            return null;
        }
        synchronized (mMethodMap) {
            final long ident = Binder.clearCallingIdentity();
            try {
                return startInputLocked(client, inputContext, attribute, controlFlags);
            } finally {
                Binder.restoreCallingIdentity(ident);
            }
        }
com.android.internal.view.InputBindResultstartInputInnerLocked()

        if (mCurMethodId == null) {
            return mNoBinding;
        }

        if (!mSystemReady) {
            // If the system is not yet ready, we shouldn't be running third
            // party code.
            return new InputBindResult(null, null, mCurMethodId, mCurSeq,
                    mCurUserActionNotificationSequenceNumber);
        }

        InputMethodInfo info = mMethodMap.get(mCurMethodId);
        if (info == null) {
            throw new IllegalArgumentException("Unknown id: " + mCurMethodId);
        }

        unbindCurrentMethodLocked(false, true);

        mCurIntent = new Intent(InputMethod.SERVICE_INTERFACE);
        mCurIntent.setComponent(info.getComponent());
        mCurIntent.putExtra(Intent.EXTRA_CLIENT_LABEL,
                com.android.internal.R.string.input_method_binding_label);
        mCurIntent.putExtra(Intent.EXTRA_CLIENT_INTENT, PendingIntent.getActivity(
                mContext, 0, new Intent(Settings.ACTION_INPUT_METHOD_SETTINGS), 0));
        if (bindCurrentInputMethodService(mCurIntent, this, Context.BIND_AUTO_CREATE
                | Context.BIND_NOT_VISIBLE | Context.BIND_NOT_FOREGROUND
                | Context.BIND_SHOWING_UI)) {
            mLastBindTime = SystemClock.uptimeMillis();
            mHaveConnection = true;
            mCurId = info.getId();
            mCurToken = new Binder();
            try {
                if (true || DEBUG) Slog.v(TAG, "Adding window token: " + mCurToken);
                mIWindowManager.addWindowToken(mCurToken,
                        WindowManager.LayoutParams.TYPE_INPUT_METHOD);
            } catch (RemoteException e) {
            }
            return new InputBindResult(null, null, mCurId, mCurSeq,
                    mCurUserActionNotificationSequenceNumber);
        } else {
            mCurIntent = null;
            Slog.w(TAG, "Failure connecting to input method service: "
                    + mCurIntent);
        }
        return null;
com.android.internal.view.InputBindResultstartInputLocked(com.android.internal.view.IInputMethodClient client, com.android.internal.view.IInputContext inputContext, android.view.inputmethod.EditorInfo attribute, int controlFlags)

        // If no method is currently selected, do nothing.
        if (mCurMethodId == null) {
            return mNoBinding;
        }

        ClientState cs = mClients.get(client.asBinder());
        if (cs == null) {
            throw new IllegalArgumentException("unknown client "
                    + client.asBinder());
        }

        try {
            if (!mIWindowManager.inputMethodClientHasFocus(cs.client)) {
                // Check with the window manager to make sure this client actually
                // has a window with focus.  If not, reject.  This is thread safe
                // because if the focus changes some time before or after, the
                // next client receiving focus that has any interest in input will
                // be calling through here after that change happens.
                Slog.w(TAG, "Starting input on non-focused client " + cs.client
                        + " (uid=" + cs.uid + " pid=" + cs.pid + ")");
                return null;
            }
        } catch (RemoteException e) {
        }

        return startInputUncheckedLocked(cs, inputContext, attribute, controlFlags);
com.android.internal.view.InputBindResultstartInputUncheckedLocked(com.android.server.InputMethodManagerService$ClientState cs, com.android.internal.view.IInputContext inputContext, android.view.inputmethod.EditorInfo attribute, int controlFlags)

        // If no method is currently selected, do nothing.
        if (mCurMethodId == null) {
            return mNoBinding;
        }

        if (mCurClient != cs) {
            // Was the keyguard locked when switching over to the new client?
            mCurClientInKeyguard = isKeyguardLocked();
            // If the client is changing, we need to switch over to the new
            // one.
            unbindCurrentClientLocked();
            if (DEBUG) Slog.v(TAG, "switching to client: client = "
                    + cs.client.asBinder() + " keyguard=" + mCurClientInKeyguard);

            // If the screen is on, inform the new client it is active
            if (mScreenOn) {
                executeOrSendMessage(cs.client, mCaller.obtainMessageIO(
                        MSG_SET_ACTIVE, mScreenOn ? 1 : 0, cs));
            }
        }

        // Bump up the sequence for this client and attach it.
        mCurSeq++;
        if (mCurSeq <= 0) mCurSeq = 1;
        mCurClient = cs;
        mCurInputContext = inputContext;
        mCurAttribute = attribute;

        // Check if the input method is changing.
        if (mCurId != null && mCurId.equals(mCurMethodId)) {
            if (cs.curSession != null) {
                // Fast case: if we are already connected to the input method,
                // then just return it.
                return attachNewInputLocked(
                        (controlFlags&InputMethodManager.CONTROL_START_INITIAL) != 0);
            }
            if (mHaveConnection) {
                if (mCurMethod != null) {
                    // Return to client, and we will get back with it when
                    // we have had a session made for it.
                    requestClientSessionLocked(cs);
                    return new InputBindResult(null, null, mCurId, mCurSeq,
                            mCurUserActionNotificationSequenceNumber);
                } else if (SystemClock.uptimeMillis()
                        < (mLastBindTime+TIME_TO_RECONNECT)) {
                    // In this case we have connected to the service, but
                    // don't yet have its interface.  If it hasn't been too
                    // long since we did the connection, we'll return to
                    // the client and wait to get the service interface so
                    // we can report back.  If it has been too long, we want
                    // to fall through so we can try a disconnect/reconnect
                    // to see if we can get back in touch with the service.
                    return new InputBindResult(null, null, mCurId, mCurSeq,
                            mCurUserActionNotificationSequenceNumber);
                } else {
                    EventLog.writeEvent(EventLogTags.IMF_FORCE_RECONNECT_IME,
                            mCurMethodId, SystemClock.uptimeMillis()-mLastBindTime, 0);
                }
            }
        }

        return startInputInnerLocked();
public booleanswitchToLastInputMethod(android.os.IBinder token)

        if (!calledFromValidUser()) {
            return false;
        }
        synchronized (mMethodMap) {
            final Pair<String, String> lastIme = mSettings.getLastInputMethodAndSubtypeLocked();
            final InputMethodInfo lastImi;
            if (lastIme != null) {
                lastImi = mMethodMap.get(lastIme.first);
            } else {
                lastImi = null;
            }
            String targetLastImiId = null;
            int subtypeId = NOT_A_SUBTYPE_ID;
            if (lastIme != null && lastImi != null) {
                final boolean imiIdIsSame = lastImi.getId().equals(mCurMethodId);
                final int lastSubtypeHash = Integer.valueOf(lastIme.second);
                final int currentSubtypeHash = mCurrentSubtype == null ? NOT_A_SUBTYPE_ID
                        : mCurrentSubtype.hashCode();
                // If the last IME is the same as the current IME and the last subtype is not
                // defined, there is no need to switch to the last IME.
                if (!imiIdIsSame || lastSubtypeHash != currentSubtypeHash) {
                    targetLastImiId = lastIme.first;
                    subtypeId = InputMethodUtils.getSubtypeIdFromHashCode(lastImi, lastSubtypeHash);
                }
            }

            if (TextUtils.isEmpty(targetLastImiId)
                    && !InputMethodUtils.canAddToLastInputMethod(mCurrentSubtype)) {
                // This is a safety net. If the currentSubtype can't be added to the history
                // and the framework couldn't find the last ime, we will make the last ime be
                // the most applicable enabled keyboard subtype of the system imes.
                final List<InputMethodInfo> enabled = mSettings.getEnabledInputMethodListLocked();
                if (enabled != null) {
                    final int N = enabled.size();
                    final String locale = mCurrentSubtype == null
                            ? mRes.getConfiguration().locale.toString()
                            : mCurrentSubtype.getLocale();
                    for (int i = 0; i < N; ++i) {
                        final InputMethodInfo imi = enabled.get(i);
                        if (imi.getSubtypeCount() > 0 && InputMethodUtils.isSystemIme(imi)) {
                            InputMethodSubtype keyboardSubtype =
                                    InputMethodUtils.findLastResortApplicableSubtypeLocked(mRes,
                                            InputMethodUtils.getSubtypes(imi),
                                            InputMethodUtils.SUBTYPE_MODE_KEYBOARD, locale, true);
                            if (keyboardSubtype != null) {
                                targetLastImiId = imi.getId();
                                subtypeId = InputMethodUtils.getSubtypeIdFromHashCode(
                                        imi, keyboardSubtype.hashCode());
                                if(keyboardSubtype.getLocale().equals(locale)) {
                                    break;
                                }
                            }
                        }
                    }
                }
            }

            if (!TextUtils.isEmpty(targetLastImiId)) {
                if (DEBUG) {
                    Slog.d(TAG, "Switch to: " + lastImi.getId() + ", " + lastIme.second
                            + ", from: " + mCurMethodId + ", " + subtypeId);
                }
                setInputMethodWithSubtypeIdLocked(token, targetLastImiId, subtypeId);
                return true;
            } else {
                return false;
            }
        }
public booleanswitchToNextInputMethod(android.os.IBinder token, boolean onlyCurrentIme)

        if (!calledFromValidUser()) {
            return false;
        }
        synchronized (mMethodMap) {
            if (!calledWithValidToken(token)) {
                final int uid = Binder.getCallingUid();
                Slog.e(TAG, "Ignoring switchToNextInputMethod due to an invalid token. uid:" + uid
                        + " token:" + token);
                return false;
            }
            final ImeSubtypeListItem nextSubtype = mSwitchingController.getNextInputMethodLocked(
                    onlyCurrentIme, mMethodMap.get(mCurMethodId), mCurrentSubtype);
            if (nextSubtype == null) {
                return false;
            }
            setInputMethodWithSubtypeIdLocked(token, nextSubtype.mImi.getId(),
                    nextSubtype.mSubtypeId);
            return true;
        }
private voidswitchUserLocked(int newUserId)

        mSettings.setCurrentUserId(newUserId);
        updateCurrentProfileIds();
        // InputMethodFileManager should be reset when the user is changed
        mFileManager = new InputMethodFileManager(mMethodMap, newUserId);
        final String defaultImiId = mSettings.getSelectedInputMethod();
        // For secondary users, the list of enabled IMEs may not have been updated since the
        // callbacks to PackageMonitor are ignored for the secondary user. Here, defaultImiId may
        // not be empty even if the IME has been uninstalled by the primary user.
        // Even in such cases, IMMS works fine because it will find the most applicable
        // IME for that user.
        final boolean initialUserSwitch = TextUtils.isEmpty(defaultImiId);
        if (DEBUG) {
            Slog.d(TAG, "Switch user: " + newUserId + " current ime = " + defaultImiId);
        }
        resetAllInternalStateLocked(false  /* updateOnlyWhenLocaleChanged */,
                initialUserSwitch /* needsToResetDefaultIme */);
        if (initialUserSwitch) {
            InputMethodUtils.setNonSelectedSystemImesDisabledUntilUsed(mContext.getPackageManager(),
                    mSettings.getEnabledInputMethodListLocked());
        }
public voidsystemRunning(com.android.server.statusbar.StatusBarManagerService statusBar)

        synchronized (mMethodMap) {
            if (DEBUG) {
                Slog.d(TAG, "--- systemReady");
            }
            if (!mSystemReady) {
                mSystemReady = true;
                mKeyguardManager =
                        (KeyguardManager) mContext.getSystemService(Context.KEYGUARD_SERVICE);
                mNotificationManager = (NotificationManager)
                        mContext.getSystemService(Context.NOTIFICATION_SERVICE);
                mStatusBar = statusBar;
                statusBar.setIconVisibility("ime", false);
                updateImeWindowStatusLocked();
                mShowOngoingImeSwitcherForPhones = mRes.getBoolean(
                        com.android.internal.R.bool.show_ongoing_ime_switcher);
                if (mShowOngoingImeSwitcherForPhones) {
                    mWindowManagerService.setOnHardKeyboardStatusChangeListener(
                            mHardKeyboardListener);
                }
                buildInputMethodListLocked(mMethodList, mMethodMap,
                        !mImeSelectedOnBoot /* resetDefaultEnabledIme */);
                if (!mImeSelectedOnBoot) {
                    Slog.w(TAG, "Reset the default IME as \"Resource\" is ready here.");
                    resetStateIfCurrentLocaleChangedLocked();
                    InputMethodUtils.setNonSelectedSystemImesDisabledUntilUsed(
                            mContext.getPackageManager(),
                            mSettings.getEnabledInputMethodListLocked());
                }
                mLastSystemLocale = mRes.getConfiguration().locale;
                try {
                    startInputInnerLocked();
                } catch (RuntimeException e) {
                    Slog.w(TAG, "Unexpected exception", e);
                }
            }
        }
voidunbindCurrentClientLocked()

        if (mCurClient != null) {
            if (DEBUG) Slog.v(TAG, "unbindCurrentInputLocked: client = "
                    + mCurClient.client.asBinder());
            if (mBoundToMethod) {
                mBoundToMethod = false;
                if (mCurMethod != null) {
                    executeOrSendMessage(mCurMethod, mCaller.obtainMessageO(
                            MSG_UNBIND_INPUT, mCurMethod));
                }
            }

            executeOrSendMessage(mCurClient.client, mCaller.obtainMessageIO(
                    MSG_SET_ACTIVE, 0, mCurClient));
            executeOrSendMessage(mCurClient.client, mCaller.obtainMessageIO(
                    MSG_UNBIND_METHOD, mCurSeq, mCurClient.client));
            mCurClient.sessionRequested = false;
            mCurClient = null;

            hideInputMethodMenuLocked();
        }
voidunbindCurrentMethodLocked(boolean reportToClient, boolean savePosition)

        if (mVisibleBound) {
            mContext.unbindService(mVisibleConnection);
            mVisibleBound = false;
        }

        if (mHaveConnection) {
            mContext.unbindService(this);
            mHaveConnection = false;
        }

        if (mCurToken != null) {
            try {
                if (DEBUG) Slog.v(TAG, "Removing window token: " + mCurToken);
                if ((mImeWindowVis & InputMethodService.IME_ACTIVE) != 0 && savePosition) {
                    // The current IME is shown. Hence an IME switch (transition) is happening.
                    mWindowManagerService.saveLastInputMethodWindowForTransition();
                }
                mIWindowManager.removeWindowToken(mCurToken);
            } catch (RemoteException e) {
            }
            mCurToken = null;
        }

        mCurId = null;
        clearCurMethodLocked();

        if (reportToClient && mCurClient != null) {
            executeOrSendMessage(mCurClient.client, mCaller.obtainMessageIO(
                    MSG_UNBIND_METHOD, mCurSeq, mCurClient.client));
        }
voidupdateCurrentProfileIds()

        List<UserInfo> profiles =
                UserManager.get(mContext).getProfiles(mSettings.getCurrentUserId());
        int[] currentProfileIds = new int[profiles.size()]; // profiles will not be null
        for (int i = 0; i < currentProfileIds.length; i++) {
            currentProfileIds[i] = profiles.get(i).id;
        }
        mSettings.setCurrentProfileIds(currentProfileIds);
voidupdateFromSettingsLocked(boolean enabledMayChange)

        updateInputMethodsFromSettingsLocked(enabledMayChange);
        updateKeyboardFromSettingsLocked();
private voidupdateImeWindowStatusLocked()

        setImeWindowStatus(mCurToken, mImeWindowVis, mBackDisposition);
voidupdateInputMethodsFromSettingsLocked(boolean enabledMayChange)

        if (enabledMayChange) {
            List<InputMethodInfo> enabled = mSettings.getEnabledInputMethodListLocked();
            for (int i=0; i<enabled.size(); i++) {
                // We allow the user to select "disabled until used" apps, so if they
                // are enabling one of those here we now need to make it enabled.
                InputMethodInfo imm = enabled.get(i);
                try {
                    ApplicationInfo ai = mIPackageManager.getApplicationInfo(imm.getPackageName(),
                            PackageManager.GET_DISABLED_UNTIL_USED_COMPONENTS,
                            mSettings.getCurrentUserId());
                    if (ai != null && ai.enabledSetting
                            == PackageManager.COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED) {
                        if (DEBUG) {
                            Slog.d(TAG, "Update state(" + imm.getId()
                                    + "): DISABLED_UNTIL_USED -> DEFAULT");
                        }
                        mIPackageManager.setApplicationEnabledSetting(imm.getPackageName(),
                                PackageManager.COMPONENT_ENABLED_STATE_DEFAULT,
                                PackageManager.DONT_KILL_APP, mSettings.getCurrentUserId(),
                                mContext.getBasePackageName());
                    }
                } catch (RemoteException e) {
                }
            }
        }
        // We are assuming that whoever is changing DEFAULT_INPUT_METHOD and
        // ENABLED_INPUT_METHODS is taking care of keeping them correctly in
        // sync, so we will never have a DEFAULT_INPUT_METHOD that is not
        // enabled.
        String id = mSettings.getSelectedInputMethod();
        // There is no input method selected, try to choose new applicable input method.
        if (TextUtils.isEmpty(id) && chooseNewDefaultIMELocked()) {
            id = mSettings.getSelectedInputMethod();
        }
        if (!TextUtils.isEmpty(id)) {
            try {
                setInputMethodLocked(id, mSettings.getSelectedInputMethodSubtypeId(id));
            } catch (IllegalArgumentException e) {
                Slog.w(TAG, "Unknown input method from prefs: " + id, e);
                mCurMethodId = null;
                unbindCurrentMethodLocked(true, false);
            }
            mShortcutInputMethodsAndSubtypes.clear();
        } else {
            // There is no longer an input method set, so stop any current one.
            mCurMethodId = null;
            unbindCurrentMethodLocked(true, false);
        }
        // Here is not the perfect place to reset the switching controller. Ideally
        // mSwitchingController and mSettings should be able to share the same state.
        // TODO: Make sure that mSwitchingController and mSettings are sharing the
        // the same enabled IMEs list.
        mSwitchingController.resetCircularListLocked(mContext);
public voidupdateKeyboardFromSettingsLocked()

        mShowImeWithHardKeyboard = mSettings.isShowImeWithHardKeyboardEnabled();
        if (mSwitchingDialog != null
                && mSwitchingDialogTitleView != null
                && mSwitchingDialog.isShowing()) {
            final Switch hardKeySwitch = (Switch)mSwitchingDialogTitleView.findViewById(
                    com.android.internal.R.id.hard_keyboard_switch);
            hardKeySwitch.setChecked(mShowImeWithHardKeyboard);
        }
public voidupdateStatusIcon(android.os.IBinder token, java.lang.String packageName, int iconId)

        long ident = Binder.clearCallingIdentity();
        try {
            synchronized (mMethodMap) {
                if (!calledWithValidToken(token)) {
                    final int uid = Binder.getCallingUid();
                    Slog.e(TAG, "Ignoring updateStatusIcon due to an invalid token. uid:" + uid
                            + " token:" + token);
                    return;
                }
                if (iconId == 0) {
                    if (DEBUG) Slog.d(TAG, "hide the small icon for the input method");
                    if (mStatusBar != null) {
                        mStatusBar.setIconVisibility("ime", false);
                    }
                } else if (packageName != null) {
                    if (DEBUG) Slog.d(TAG, "show a small icon for the input method");
                    CharSequence contentDescription = null;
                    try {
                        // Use PackageManager to load label
                        final PackageManager packageManager = mContext.getPackageManager();
                        contentDescription = packageManager.getApplicationLabel(
                                mIPackageManager.getApplicationInfo(packageName, 0,
                                        mSettings.getCurrentUserId()));
                    } catch (RemoteException e) {
                        /* ignore */
                    }
                    if (mStatusBar != null) {
                        mStatusBar.setIcon("ime", packageName, iconId, 0,
                                contentDescription  != null
                                        ? contentDescription.toString() : null);
                        mStatusBar.setIconVisibility("ime", true);
                    }
                }
            }
        } finally {
            Binder.restoreCallingIdentity(ident);
        }
public com.android.internal.view.InputBindResultwindowGainedFocus(com.android.internal.view.IInputMethodClient client, android.os.IBinder windowToken, int controlFlags, int softInputMode, int windowFlags, android.view.inputmethod.EditorInfo attribute, com.android.internal.view.IInputContext inputContext)

        // Needs to check the validity before clearing calling identity
        final boolean calledFromValidUser = calledFromValidUser();

        InputBindResult res = null;
        long ident = Binder.clearCallingIdentity();
        try {
            synchronized (mMethodMap) {
                if (DEBUG) Slog.v(TAG, "windowGainedFocus: " + client.asBinder()
                        + " controlFlags=#" + Integer.toHexString(controlFlags)
                        + " softInputMode=#" + Integer.toHexString(softInputMode)
                        + " windowFlags=#" + Integer.toHexString(windowFlags));

                ClientState cs = mClients.get(client.asBinder());
                if (cs == null) {
                    throw new IllegalArgumentException("unknown client "
                            + client.asBinder());
                }

                try {
                    if (!mIWindowManager.inputMethodClientHasFocus(cs.client)) {
                        // Check with the window manager to make sure this client actually
                        // has a window with focus.  If not, reject.  This is thread safe
                        // because if the focus changes some time before or after, the
                        // next client receiving focus that has any interest in input will
                        // be calling through here after that change happens.
                        Slog.w(TAG, "Focus gain on non-focused client " + cs.client
                                + " (uid=" + cs.uid + " pid=" + cs.pid + ")");
                        return null;
                    }
                } catch (RemoteException e) {
                }

                if (!calledFromValidUser) {
                    Slog.w(TAG, "A background user is requesting window. Hiding IME.");
                    Slog.w(TAG, "If you want to interect with IME, you need "
                            + "android.permission.INTERACT_ACROSS_USERS_FULL");
                    hideCurrentInputLocked(0, null);
                    return null;
                }

                if (mCurFocusedWindow == windowToken) {
                    Slog.w(TAG, "Window already focused, ignoring focus gain of: " + client
                            + " attribute=" + attribute + ", token = " + windowToken);
                    if (attribute != null) {
                        return startInputUncheckedLocked(cs, inputContext, attribute,
                                controlFlags);
                    }
                    return null;
                }
                mCurFocusedWindow = windowToken;

                // Should we auto-show the IME even if the caller has not
                // specified what should be done with it?
                // We only do this automatically if the window can resize
                // to accommodate the IME (so what the user sees will give
                // them good context without input information being obscured
                // by the IME) or if running on a large screen where there
                // is more room for the target window + IME.
                final boolean doAutoShow =
                        (softInputMode & WindowManager.LayoutParams.SOFT_INPUT_MASK_ADJUST)
                                == WindowManager.LayoutParams.SOFT_INPUT_ADJUST_RESIZE
                        || mRes.getConfiguration().isLayoutSizeAtLeast(
                                Configuration.SCREENLAYOUT_SIZE_LARGE);
                final boolean isTextEditor =
                        (controlFlags&InputMethodManager.CONTROL_WINDOW_IS_TEXT_EDITOR) != 0;

                // We want to start input before showing the IME, but after closing
                // it.  We want to do this after closing it to help the IME disappear
                // more quickly (not get stuck behind it initializing itself for the
                // new focused input, even if its window wants to hide the IME).
                boolean didStart = false;
                        
                switch (softInputMode&WindowManager.LayoutParams.SOFT_INPUT_MASK_STATE) {
                    case WindowManager.LayoutParams.SOFT_INPUT_STATE_UNSPECIFIED:
                        if (!isTextEditor || !doAutoShow) {
                            if (WindowManager.LayoutParams.mayUseInputMethod(windowFlags)) {
                                // There is no focus view, and this window will
                                // be behind any soft input window, so hide the
                                // soft input window if it is shown.
                                if (DEBUG) Slog.v(TAG, "Unspecified window will hide input");
                                hideCurrentInputLocked(InputMethodManager.HIDE_NOT_ALWAYS, null);
                            }
                        } else if (isTextEditor && doAutoShow && (softInputMode &
                                WindowManager.LayoutParams.SOFT_INPUT_IS_FORWARD_NAVIGATION) != 0) {
                            // There is a focus view, and we are navigating forward
                            // into the window, so show the input window for the user.
                            // We only do this automatically if the window can resize
                            // to accommodate the IME (so what the user sees will give
                            // them good context without input information being obscured
                            // by the IME) or if running on a large screen where there
                            // is more room for the target window + IME.
                            if (DEBUG) Slog.v(TAG, "Unspecified window will show input");
                            if (attribute != null) {
                                res = startInputUncheckedLocked(cs, inputContext, attribute,
                                        controlFlags);
                                didStart = true;
                            }
                            showCurrentInputLocked(InputMethodManager.SHOW_IMPLICIT, null);
                        }
                        break;
                    case WindowManager.LayoutParams.SOFT_INPUT_STATE_UNCHANGED:
                        // Do nothing.
                        break;
                    case WindowManager.LayoutParams.SOFT_INPUT_STATE_HIDDEN:
                        if ((softInputMode &
                                WindowManager.LayoutParams.SOFT_INPUT_IS_FORWARD_NAVIGATION) != 0) {
                            if (DEBUG) Slog.v(TAG, "Window asks to hide input going forward");
                            hideCurrentInputLocked(0, null);
                        }
                        break;
                    case WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_HIDDEN:
                        if (DEBUG) Slog.v(TAG, "Window asks to hide input");
                        hideCurrentInputLocked(0, null);
                        break;
                    case WindowManager.LayoutParams.SOFT_INPUT_STATE_VISIBLE:
                        if ((softInputMode &
                                WindowManager.LayoutParams.SOFT_INPUT_IS_FORWARD_NAVIGATION) != 0) {
                            if (DEBUG) Slog.v(TAG, "Window asks to show input going forward");
                            if (attribute != null) {
                                res = startInputUncheckedLocked(cs, inputContext, attribute,
                                        controlFlags);
                                didStart = true;
                            }
                            showCurrentInputLocked(InputMethodManager.SHOW_IMPLICIT, null);
                        }
                        break;
                    case WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_VISIBLE:
                        if (DEBUG) Slog.v(TAG, "Window asks to always show input");
                        if (attribute != null) {
                            res = startInputUncheckedLocked(cs, inputContext, attribute,
                                    controlFlags);
                            didStart = true;
                        }
                        showCurrentInputLocked(InputMethodManager.SHOW_IMPLICIT, null);
                        break;
                }

                if (!didStart && attribute != null) {
                    res = startInputUncheckedLocked(cs, inputContext, attribute,
                            controlFlags);
                }
            }
        } finally {
            Binder.restoreCallingIdentity(ident);
        }

        return res;