Google Git
Sign in
android / platform / frameworks / base / 41f579766bd0789cecb03bdc8aaa82799bc30cd0 / . / services / core / java / com / android / server / InputMethodManagerService.java
blob: 1c905249fc48c0816822810f9b0b69b8ecd37c42 [file] [log] [blame]
/*
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not
* use this file except in compliance with the License. You may obtain a copy of
* the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations under
* the License.
*/
package com.android.server;
import android.annotation.NonNull;
import android.content.pm.PackageManagerInternal;
import com.android.internal.content.PackageMonitor;
import com.android.internal.inputmethod.InputMethodSubtypeSwitchingController;
import com.android.internal.inputmethod.InputMethodSubtypeSwitchingController.ImeSubtypeListItem;
import com.android.internal.inputmethod.InputMethodUtils;
import com.android.internal.inputmethod.InputMethodUtils.InputMethodSettings;
import com.android.internal.os.HandlerCaller;
import com.android.internal.os.SomeArgs;
import com.android.internal.util.FastXmlSerializer;
import com.android.internal.view.IInputContext;
import com.android.internal.view.IInputMethod;
import com.android.internal.view.IInputSessionCallback;
import com.android.internal.view.IInputMethodClient;
import com.android.internal.view.IInputMethodManager;
import com.android.internal.view.IInputMethodSession;
import com.android.internal.view.InputBindResult;
import com.android.server.pm.UserManagerService;
import com.android.server.statusbar.StatusBarManagerService;
import com.android.server.wm.WindowManagerService;
import org.xmlpull.v1.XmlPullParser;
import org.xmlpull.v1.XmlPullParserException;
import org.xmlpull.v1.XmlSerializer;
import android.annotation.Nullable;
import android.app.ActivityManagerNative;
import android.app.AppGlobals;
import android.app.AlertDialog;
import android.app.AppOpsManager;
import android.app.IUserSwitchObserver;
import android.app.KeyguardManager;
import android.app.Notification;
import android.app.NotificationManager;
import android.app.PendingIntent;
import android.content.BroadcastReceiver;
import android.content.ComponentName;
import android.content.ContentResolver;
import android.content.Context;
import android.content.DialogInterface;
import android.content.DialogInterface.OnCancelListener;
import android.content.DialogInterface.OnClickListener;
import android.content.Intent;
import android.content.IntentFilter;
import android.content.ServiceConnection;
import android.content.pm.ApplicationInfo;
import android.content.pm.IPackageManager;
import android.content.pm.PackageManager;
import android.content.pm.ResolveInfo;
import android.content.pm.ServiceInfo;
import android.content.pm.UserInfo;
import android.content.res.Configuration;
import android.content.res.Resources;
import android.content.res.TypedArray;
import android.database.ContentObserver;
import android.graphics.drawable.Drawable;
import android.inputmethodservice.InputMethodService;
import android.net.Uri;
import android.os.Binder;
import android.os.Bundle;
import android.os.Environment;
import android.os.Handler;
import android.os.IBinder;
import android.os.IInterface;
import android.os.IRemoteCallback;
import android.os.Message;
import android.os.Process;
import android.os.Parcel;
import android.os.RemoteException;
import android.os.ResultReceiver;
import android.os.ServiceManager;
import android.os.SystemClock;
import android.os.UserHandle;
import android.os.UserManager;
import android.provider.Settings;
import android.text.TextUtils;
import android.text.TextUtils.SimpleStringSplitter;
import android.text.style.SuggestionSpan;
import android.util.ArrayMap;
import android.util.ArraySet;
import android.util.AtomicFile;
import android.util.EventLog;
import android.util.LruCache;
import android.util.Pair;
import android.util.PrintWriterPrinter;
import android.util.Printer;
import android.util.Slog;
import android.util.Xml;
import android.view.ContextThemeWrapper;
import android.view.IWindowManager;
import android.view.InputChannel;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.view.WindowManager;
import android.view.inputmethod.EditorInfo;
import android.view.inputmethod.InputBinding;
import android.view.inputmethod.InputMethod;
import android.view.inputmethod.InputMethodInfo;
import android.view.inputmethod.InputMethodManager;
import android.view.inputmethod.InputMethodManagerInternal;
import android.view.inputmethod.InputMethodSubtype;
import android.view.inputmethod.InputMethodSubtype.InputMethodSubtypeBuilder;
import android.widget.ArrayAdapter;
import android.widget.CompoundButton;
import android.widget.CompoundButton.OnCheckedChangeListener;
import android.widget.RadioButton;
import android.widget.Switch;
import android.widget.TextView;
import java.io.File;
import java.io.FileDescriptor;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.PrintWriter;
import java.nio.charset.StandardCharsets;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Locale;
/**
* This class provides a system service that manages input methods.
*/
public class InputMethodManagerService extends IInputMethodManager.Stub
implements ServiceConnection, Handler.Callback {
static final boolean DEBUG = false;
static final boolean DEBUG_RESTORE = DEBUG || false;
static final String TAG = "InputMethodManagerService";
private static final char INPUT_METHOD_SEPARATOR = ':';
private static final char INPUT_METHOD_SUBTYPE_SEPARATOR = ';';
static final int MSG_SHOW_IM_SUBTYPE_PICKER = 1;
static final int MSG_SHOW_IM_SUBTYPE_ENABLER = 2;
static final int MSG_SHOW_IM_CONFIG = 3;
static final int MSG_UNBIND_INPUT = 1000;
static final int MSG_BIND_INPUT = 1010;
static final int MSG_SHOW_SOFT_INPUT = 1020;
static final int MSG_HIDE_SOFT_INPUT = 1030;
static final int MSG_ATTACH_TOKEN = 1040;
static final int MSG_CREATE_SESSION = 1050;
static final int MSG_START_INPUT = 2000;
static final int MSG_RESTART_INPUT = 2010;
static final int MSG_UNBIND_METHOD = 3000;
static final int MSG_BIND_METHOD = 3010;
static final int MSG_SET_ACTIVE = 3020;
static final int MSG_SET_INTERACTIVE = 3030;
static final int MSG_SET_USER_ACTION_NOTIFICATION_SEQUENCE_NUMBER = 3040;
static final int MSG_HARD_KEYBOARD_SWITCH_CHANGED = 4000;
static final long TIME_TO_RECONNECT = 3 * 1000;
static final int SECURE_SUGGESTION_SPANS_MAX_SIZE = 20;
private static final int NOT_A_SUBTYPE_ID = InputMethodUtils.NOT_A_SUBTYPE_ID;
private static final String TAG_TRY_SUPPRESSING_IME_SWITCHER = "TrySuppressingImeSwitcher";
final Context mContext;
final Resources mRes;
final Handler mHandler;
final InputMethodSettings mSettings;
final SettingsObserver mSettingsObserver;
final IWindowManager mIWindowManager;
final HandlerCaller mCaller;
final boolean mHasFeature;
private InputMethodFileManager mFileManager;
private final HardKeyboardListener mHardKeyboardListener;
private final WindowManagerService mWindowManagerService;
private final AppOpsManager mAppOpsManager;
final InputBindResult mNoBinding = new InputBindResult(null, null, null, -1, -1);
// All known input methods. mMethodMap also serves as the global
// lock for this class.
final ArrayList<InputMethodInfo> mMethodList = new ArrayList<InputMethodInfo>();
final HashMap<String, InputMethodInfo> mMethodMap = new HashMap<String, InputMethodInfo>();
private final LruCache<SuggestionSpan, InputMethodInfo> mSecureSuggestionSpans =
new LruCache<SuggestionSpan, InputMethodInfo>(SECURE_SUGGESTION_SPANS_MAX_SIZE);
private final InputMethodSubtypeSwitchingController mSwitchingController;
// Used to bring IME service up to visible adjustment while it is being shown.
final ServiceConnection mVisibleConnection = new ServiceConnection() {
@Override public void onServiceConnected(ComponentName name, IBinder service) {
}
@Override public void onServiceDisconnected(ComponentName name) {
}
};
boolean mVisibleBound = false;
// Ongoing notification
private NotificationManager mNotificationManager;
private KeyguardManager mKeyguardManager;
private StatusBarManagerService mStatusBar;
private Notification.Builder mImeSwitcherNotification;
private PendingIntent mImeSwitchPendingIntent;
private boolean mShowOngoingImeSwitcherForPhones;
private boolean mNotificationShown;
private final boolean mImeSelectedOnBoot;
static class SessionState {
final ClientState client;
final IInputMethod method;
IInputMethodSession session;
InputChannel channel;
@Override
public String toString() {
return "SessionState{uid " + client.uid + " pid " + client.pid
+ " method " + Integer.toHexString(
System.identityHashCode(method))
+ " session " + Integer.toHexString(
System.identityHashCode(session))
+ " channel " + channel
+ "}";
}
SessionState(ClientState _client, IInputMethod _method,
IInputMethodSession _session, InputChannel _channel) {
client = _client;
method = _method;
session = _session;
channel = _channel;
}
}
static final class ClientState {
final IInputMethodClient client;
final IInputContext inputContext;
final int uid;
final int pid;
final InputBinding binding;
boolean sessionRequested;
SessionState curSession;
@Override
public String toString() {
return "ClientState{" + Integer.toHexString(
System.identityHashCode(this)) + " uid " + uid
+ " pid " + pid + "}";
}
ClientState(IInputMethodClient _client, IInputContext _inputContext,
int _uid, int _pid) {
client = _client;
inputContext = _inputContext;
uid = _uid;
pid = _pid;
binding = new InputBinding(null, inputContext.asBinder(), uid, pid);
}
}
final HashMap<IBinder, ClientState> mClients
= new HashMap<IBinder, ClientState>();
/**
* Set once the system is ready to run third party code.
*/
boolean mSystemReady;
/**
* Id obtained with {@link InputMethodInfo#getId()} for the currently selected input method.
* method. This is to be synchronized with the secure settings keyed with
* {@link Settings.Secure#DEFAULT_INPUT_METHOD}.
*
* <p>This can be transiently {@code null} when the system is re-initializing input method
* settings, e.g., the system locale is just changed.</p>
*
* <p>Note that {@link #mCurId} is used to track which IME is being connected to
* {@link InputMethodManagerService}.</p>
*
* @see #mCurId
*/
@Nullable
String mCurMethodId;
/**
* The current binding sequence number, incremented every time there is
* a new bind performed.
*/
int mCurSeq;
/**
* The client that is currently bound to an input method.
*/
ClientState mCurClient;
/**
* The last window token that gained focus.
*/
IBinder mCurFocusedWindow;
/**
* The input context last provided by the current client.
*/
IInputContext mCurInputContext;
/**
* The attributes last provided by the current client.
*/
EditorInfo mCurAttribute;
/**
* Id obtained with {@link InputMethodInfo#getId()} for the input method that we are currently
* connected to or in the process of connecting to.
*
* <p>This can be {@code null} when no input method is connected.</p>
*
* @see #mCurMethodId
*/
@Nullable
String mCurId;
/**
* The current subtype of the current input method.
*/
private InputMethodSubtype mCurrentSubtype;
// This list contains the pairs of InputMethodInfo and InputMethodSubtype.
private final HashMap<InputMethodInfo, ArrayList<InputMethodSubtype>>
mShortcutInputMethodsAndSubtypes =
new HashMap<InputMethodInfo, ArrayList<InputMethodSubtype>>();
// Was the keyguard locked when this client became current?
private boolean mCurClientInKeyguard;
/**
* Set to true if our ServiceConnection is currently actively bound to
* a service (whether or not we have gotten its IBinder back yet).
*/
boolean mHaveConnection;
/**
* Set if the client has asked for the input method to be shown.
*/
boolean mShowRequested;
/**
* Set if we were explicitly told to show the input method.
*/
boolean mShowExplicitlyRequested;
/**
* Set if we were forced to be shown.
*/
boolean mShowForced;
/**
* Set if we last told the input method to show itself.
*/
boolean mInputShown;
/**
* The Intent used to connect to the current input method.
*/
Intent mCurIntent;
/**
* The token we have made for the currently active input method, to
* identify it in the future.
*/
IBinder mCurToken;
/**
* If non-null, this is the input method service we are currently connected
* to.
*/
IInputMethod mCurMethod;
/**
* Time that we last initiated a bind to the input method, to determine
* if we should try to disconnect and reconnect to it.
*/
long mLastBindTime;
/**
* Have we called mCurMethod.bindInput()?
*/
boolean mBoundToMethod;
/**
* Currently enabled session. Only touched by service thread, not
* protected by a lock.
*/
SessionState mEnabledSession;
/**
* True if the device is currently interactive with user. The value is true initially.
*/
boolean mIsInteractive = true;
int mCurUserActionNotificationSequenceNumber = 0;
int mBackDisposition = InputMethodService.BACK_DISPOSITION_DEFAULT;
/**
* A set of status bits regarding the active IME.
*
* <p>This value is a combination of following two bits:</p>
* <dl>
* <dt>{@link InputMethodService#IME_ACTIVE}</dt>
* <dd>
* If this bit is ON, connected IME is ready to accept touch/key events.
* </dd>
* <dt>{@link InputMethodService#IME_VISIBLE}</dt>
* <dd>
* If this bit is ON, some of IME view, e.g. software input, candidate view, is visible.
* </dd>
* </dl>
* <em>Do not update this value outside of setImeWindowStatus.</em>
*/
int mImeWindowVis;
private AlertDialog.Builder mDialogBuilder;
private AlertDialog mSwitchingDialog;
private View mSwitchingDialogTitleView;
private InputMethodInfo[] mIms;
private int[] mSubtypeIds;
private Locale mLastSystemLocale;
private boolean mShowImeWithHardKeyboard;
private final MyPackageMonitor mMyPackageMonitor = new MyPackageMonitor();
private final IPackageManager mIPackageManager;
class SettingsObserver extends ContentObserver {
int mUserId;
boolean mRegistered = false;
String mLastEnabled = "";
/**
* <em>This constructor must be called within the lock.</em>
*/
SettingsObserver(Handler handler) {
super(handler);
}
public void registerContentObserverLocked(int userId) {
if (mRegistered && mUserId == userId) {
return;
}
ContentResolver resolver = mContext.getContentResolver();
if (mRegistered) {
mContext.getContentResolver().unregisterContentObserver(this);
mRegistered = false;
}
if (mUserId != userId) {
mLastEnabled = "";
mUserId = userId;
}
resolver.registerContentObserver(Settings.Secure.getUriFor(
Settings.Secure.DEFAULT_INPUT_METHOD), false, this, userId);
resolver.registerContentObserver(Settings.Secure.getUriFor(
Settings.Secure.ENABLED_INPUT_METHODS), false, this, userId);
resolver.registerContentObserver(Settings.Secure.getUriFor(
Settings.Secure.SELECTED_INPUT_METHOD_SUBTYPE), false, this, userId);
resolver.registerContentObserver(Settings.Secure.getUriFor(
Settings.Secure.SHOW_IME_WITH_HARD_KEYBOARD), false, this, userId);
mRegistered = true;
}
@Override public void onChange(boolean selfChange, Uri uri) {
final Uri showImeUri =
Settings.Secure.getUriFor(Settings.Secure.SHOW_IME_WITH_HARD_KEYBOARD);
synchronized (mMethodMap) {
if (showImeUri.equals(uri)) {
updateKeyboardFromSettingsLocked();
} else {
boolean enabledChanged = false;
String newEnabled = mSettings.getEnabledInputMethodsStr();
if (!mLastEnabled.equals(newEnabled)) {
mLastEnabled = newEnabled;
enabledChanged = true;
}
updateInputMethodsFromSettingsLocked(enabledChanged);
}
}
}
@Override
public String toString() {
return "SettingsObserver{mUserId=" + mUserId + " mRegistered=" + mRegistered
+ " mLastEnabled=" + mLastEnabled + "}";
}
}
class ImmsBroadcastReceiver extends android.content.BroadcastReceiver {
@Override
public void onReceive(Context context, Intent intent) {
final String action = intent.getAction();
if (Intent.ACTION_CLOSE_SYSTEM_DIALOGS.equals(action)) {
hideInputMethodMenu();
// No need to update mIsInteractive
return;
} else if (Intent.ACTION_USER_ADDED.equals(action)
|| Intent.ACTION_USER_REMOVED.equals(action)) {
updateCurrentProfileIds();
return;
} else if (Intent.ACTION_SETTING_RESTORED.equals(action)) {
final String name = intent.getStringExtra(Intent.EXTRA_SETTING_NAME);
if (Settings.Secure.ENABLED_INPUT_METHODS.equals(name)) {
final String prevValue = intent.getStringExtra(
Intent.EXTRA_SETTING_PREVIOUS_VALUE);
final String newValue = intent.getStringExtra(
Intent.EXTRA_SETTING_NEW_VALUE);
restoreEnabledInputMethods(mContext, prevValue, newValue);
}
} else {
Slog.w(TAG, "Unexpected intent " + intent);
}
}
}
// Apply the results of a restore operation to the set of enabled IMEs. Note that this
// does not attempt to validate on the fly with any installed device policy, so must only
// be run in the context of initial device setup.
//
// TODO: Move this method to InputMethodUtils with adding unit tests.
static void restoreEnabledInputMethods(Context context, String prevValue, String newValue) {
if (DEBUG_RESTORE) {
Slog.i(TAG, "Restoring enabled input methods:");
Slog.i(TAG, "prev=" + prevValue);
Slog.i(TAG, " new=" + newValue);
}
// 'new' is the just-restored state, 'prev' is what was in settings prior to the restore
ArrayMap<String, ArraySet<String>> prevMap = parseInputMethodsAndSubtypesString(prevValue);
ArrayMap<String, ArraySet<String>> newMap = parseInputMethodsAndSubtypesString(newValue);
// Merge the restored ime+subtype enabled states into the live state
for (ArrayMap.Entry<String, ArraySet<String>> entry : newMap.entrySet()) {
final String imeId = entry.getKey();
ArraySet<String> prevSubtypes = prevMap.get(imeId);
if (prevSubtypes == null) {
prevSubtypes = new ArraySet<String>(2);
prevMap.put(imeId, prevSubtypes);
}
prevSubtypes.addAll(entry.getValue());
}
final String mergedImesAndSubtypesString = buildInputMethodsAndSubtypesString(prevMap);
if (DEBUG_RESTORE) {
Slog.i(TAG, "Merged IME string:");
Slog.i(TAG, " " + mergedImesAndSubtypesString);
}
Settings.Secure.putString(context.getContentResolver(),
Settings.Secure.ENABLED_INPUT_METHODS, mergedImesAndSubtypesString);
}
// TODO: Move this method to InputMethodUtils with adding unit tests.
static String buildInputMethodsAndSubtypesString(ArrayMap<String, ArraySet<String>> map) {
// we want to use the canonical InputMethodSettings implementation,
// so we convert data structures first.
List<Pair<String, ArrayList<String>>> imeMap =
new ArrayList<Pair<String, ArrayList<String>>>(4);
for (ArrayMap.Entry<String, ArraySet<String>> entry : map.entrySet()) {
final String imeName = entry.getKey();
final ArraySet<String> subtypeSet = entry.getValue();
final ArrayList<String> subtypes = new ArrayList<String>(2);
if (subtypeSet != null) {
subtypes.addAll(subtypeSet);
}
imeMap.add(new Pair<String, ArrayList<String>>(imeName, subtypes));
}
return InputMethodSettings.buildInputMethodsSettingString(imeMap);
}
// TODO: Move this method to InputMethodUtils with adding unit tests.
static ArrayMap<String, ArraySet<String>> parseInputMethodsAndSubtypesString(
final String inputMethodsAndSubtypesString) {
final ArrayMap<String, ArraySet<String>> imeMap =
new ArrayMap<String, ArraySet<String>>();
if (TextUtils.isEmpty(inputMethodsAndSubtypesString)) {
return imeMap;
}
final SimpleStringSplitter typeSplitter =
new SimpleStringSplitter(INPUT_METHOD_SEPARATOR);
final SimpleStringSplitter subtypeSplitter =
new SimpleStringSplitter(INPUT_METHOD_SUBTYPE_SEPARATOR);
List<Pair<String, ArrayList<String>>> allImeSettings =
InputMethodSettings.buildInputMethodsAndSubtypeList(inputMethodsAndSubtypesString,
typeSplitter,
subtypeSplitter);
for (Pair<String, ArrayList<String>> ime : allImeSettings) {
ArraySet<String> subtypes = new ArraySet<String>();
if (ime.second != null) {
subtypes.addAll(ime.second);
}
imeMap.put(ime.first, subtypes);
}
return imeMap;
}
class MyPackageMonitor extends PackageMonitor {
private boolean isChangingPackagesOfCurrentUser() {
final int userId = getChangingUserId();
final boolean retval = userId == mSettings.getCurrentUserId();
if (DEBUG) {
if (!retval) {
Slog.d(TAG, "--- ignore this call back from a background user: " + userId);
}
}
return retval;
}
@Override
public boolean onHandleForceStop(Intent intent, String[] packages, int uid, boolean doit) {
if (!isChangingPackagesOfCurrentUser()) {
return false;
}
synchronized (mMethodMap) {
String curInputMethodId = mSettings.getSelectedInputMethod();
final int N = mMethodList.size();
if (curInputMethodId != null) {
for (int i=0; i<N; i++) {
InputMethodInfo imi = mMethodList.get(i);
if (imi.getId().equals(curInputMethodId)) {
for (String pkg : packages) {
if (imi.getPackageName().equals(pkg)) {
if (!doit) {
return true;
}
resetSelectedInputMethodAndSubtypeLocked("");
chooseNewDefaultIMELocked();
return true;
}
}
}
}
}
}
return false;
}
@Override
public void onSomePackagesChanged() {
if (!isChangingPackagesOfCurrentUser()) {
return;
}
synchronized (mMethodMap) {
InputMethodInfo curIm = null;
String curInputMethodId = mSettings.getSelectedInputMethod();
final int N = mMethodList.size();
if (curInputMethodId != null) {
for (int i=0; i<N; i++) {
InputMethodInfo imi = mMethodList.get(i);
final String imiId = imi.getId();
if (imiId.equals(curInputMethodId)) {
curIm = imi;
}
int change = isPackageDisappearing(imi.getPackageName());
if (isPackageModified(imi.getPackageName())) {
mFileManager.deleteAllInputMethodSubtypes(imiId);
}
if (change == PACKAGE_TEMPORARY_CHANGE
|| change == PACKAGE_PERMANENT_CHANGE) {
Slog.i(TAG, "Input method uninstalled, disabling: "
+ imi.getComponent());
setInputMethodEnabledLocked(imi.getId(), false);
}
}
}
buildInputMethodListLocked(
mMethodList, mMethodMap, false /* resetDefaultEnabledIme */);
boolean changed = false;
if (curIm != null) {
int change = isPackageDisappearing(curIm.getPackageName());
if (change == PACKAGE_TEMPORARY_CHANGE
|| change == PACKAGE_PERMANENT_CHANGE) {
ServiceInfo si = null;
try {
si = mIPackageManager.getServiceInfo(
curIm.getComponent(), 0, mSettings.getCurrentUserId());
} catch (RemoteException ex) {
}
if (si == null) {
// Uh oh, current input method is no longer around!
// Pick another one...
Slog.i(TAG, "Current input method removed: " + curInputMethodId);
updateSystemUiLocked(mCurToken, 0 /* vis */, mBackDisposition);
if (!chooseNewDefaultIMELocked()) {
changed = true;
curIm = null;
Slog.i(TAG, "Unsetting current input method");
resetSelectedInputMethodAndSubtypeLocked("");
}
}
}
}
if (curIm == null) {
// We currently don't have a default input method... is
// one now available?
changed = chooseNewDefaultIMELocked();
} else if (!changed && isPackageModified(curIm.getPackageName())) {
// Even if the current input method is still available, mCurrentSubtype could
// be obsolete when the package is modified in practice.
changed = true;
}
if (changed) {
updateFromSettingsLocked(false);
}
}
}
}
private static final class MethodCallback extends IInputSessionCallback.Stub {
private final InputMethodManagerService mParentIMMS;
private final IInputMethod mMethod;
private final InputChannel mChannel;
MethodCallback(InputMethodManagerService imms, IInputMethod method,
InputChannel channel) {
mParentIMMS = imms;
mMethod = method;
mChannel = channel;
}
@Override
public void sessionCreated(IInputMethodSession session) {
long ident = Binder.clearCallingIdentity();
try {
mParentIMMS.onSessionCreated(mMethod, session, mChannel);
} finally {
Binder.restoreCallingIdentity(ident);
}
}
}
private class HardKeyboardListener
implements WindowManagerService.OnHardKeyboardStatusChangeListener {
@Override
public void onHardKeyboardStatusChange(boolean available) {
mHandler.sendMessage(mHandler.obtainMessage(MSG_HARD_KEYBOARD_SWITCH_CHANGED,
available ? 1 : 0));
}
public void handleHardKeyboardStatusChange(boolean available) {
if (DEBUG) {
Slog.w(TAG, "HardKeyboardStatusChanged: available=" + available);
}
synchronized(mMethodMap) {
if (mSwitchingDialog != null && mSwitchingDialogTitleView != null
&& mSwitchingDialog.isShowing()) {
mSwitchingDialogTitleView.findViewById(
com.android.internal.R.id.hard_keyboard_section).setVisibility(
available ? View.VISIBLE : View.GONE);
}
}
}
}
public InputMethodManagerService(Context context, WindowManagerService windowManager) {
mIPackageManager = AppGlobals.getPackageManager();
mContext = context;
mRes = context.getResources();
mHandler = new Handler(this);
// Note: SettingsObserver doesn't register observers in its constructor.
mSettingsObserver = new SettingsObserver(mHandler);
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);
Bundle extras = new Bundle();
extras.putBoolean(Notification.EXTRA_ALLOW_DURING_SETUP, true);
mImeSwitcherNotification = new Notification.Builder(mContext)
.setSmallIcon(com.android.internal.R.drawable.ic_notification_ime_default)
.setWhen(0)
.setOngoing(true)
.addExtras(extras)
.setCategory(Notification.CATEGORY_SYSTEM)
.setColor(com.android.internal.R.color.system_notification_accent_color);
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_CLOSE_SYSTEM_DIALOGS);
broadcastFilter.addAction(Intent.ACTION_USER_ADDED);
broadcastFilter.addAction(Intent.ACTION_USER_REMOVED);
broadcastFilter.addAction(Intent.ACTION_SETTING_RESTORED);
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 {
}
@Override
public void onForegroundProfileSwitch(int newProfileId) {
// Ignore.
}
});
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);
// Let the package manager query which are the default imes
// as they get certain permissions granted by default.
PackageManagerInternal packageManagerInternal = LocalServices.getService(
PackageManagerInternal.class);
packageManagerInternal.setImePackagesProvider(
new PackageManagerInternal.PackagesProvider() {
@Override
public String[] getPackages(int userId) {
synchronized (mMethodMap) {
final int currentUserId = mSettings.getCurrentUserId();
// TODO: We are switching the current user id in the settings
// object to query it and then revert the user id. Ideally, we
// should call a API in settings with the user id as an argument.
mSettings.setCurrentUserId(userId);
List<InputMethodInfo> imes = mSettings
.getEnabledInputMethodListLocked();
String[] packageNames = null;
if (imes != null) {
final int imeCount = imes.size();
packageNames = new String[imeCount];
for (int i = 0; i < imeCount; i++) {
InputMethodInfo ime = imes.get(i);
packageNames[i] = ime.getPackageName();
}
}
mSettings.setCurrentUserId(currentUserId);
return packageNames;
}
}
});
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);
}
}
synchronized (mMethodMap) {
mSettingsObserver.registerContentObserverLocked(userId);
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);
LocalServices.addService(InputMethodManagerInternal.class, new LocalServiceImpl(mHandler));
}
private void resetDefaultImeLocked(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 && mSystemReady) {
final Locale systemLocale = context.getResources().getConfiguration().locale;
if (InputMethodUtils.isSystemImeThatHasSubtypeOf(imi, context,
true /* checkDefaultAttribute */, systemLocale, false /* checkCountry */,
InputMethodUtils.SUBTYPE_MODE_ANY)) {
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 void resetAllInternalStateLocked(final boolean updateOnlyWhenLocaleChanged,
final 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);
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 void resetStateIfCurrentLocaleChangedLocked() {
resetAllInternalStateLocked(true /* updateOnlyWhenLocaleChanged */,
true /* resetDefaultImeLocked */);
}
private void switchUserLocked(int newUserId) {
if (DEBUG) Slog.d(TAG, "Switching user stage 1/3. newUserId=" + newUserId
+ " currentUserId=" + mSettings.getCurrentUserId());
// ContentObserver should be registered again when the user is changed
mSettingsObserver.registerContentObserverLocked(newUserId);
mSettings.setCurrentUserId(newUserId);
updateCurrentProfileIds();
// InputMethodFileManager should be reset when the user is changed
mFileManager = new InputMethodFileManager(mMethodMap, newUserId);
final String defaultImiId = mSettings.getSelectedInputMethod();
if (DEBUG) Slog.d(TAG, "Switching user stage 2/3. newUserId=" + newUserId
+ " defaultImiId=" + defaultImiId);
// 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);
resetAllInternalStateLocked(false /* updateOnlyWhenLocaleChanged */,
initialUserSwitch /* needsToResetDefaultIme */);
if (initialUserSwitch) {
InputMethodUtils.setNonSelectedSystemImesDisabledUntilUsed(mIPackageManager,
mSettings.getEnabledInputMethodListLocked(), newUserId,
mContext.getBasePackageName());
}
if (DEBUG) Slog.d(TAG, "Switching user stage 3/3. newUserId=" + newUserId
+ " selectedIme=" + mSettings.getSelectedInputMethod());
}
void updateCurrentProfileIds() {
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);
}
@Override
public boolean onTransact(int code, Parcel data, Parcel reply, int flags)
throws RemoteException {
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;
}
}
public void systemRunning(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);
updateSystemUiLocked(mCurToken, mImeWindowVis, mBackDisposition);
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(mIPackageManager,
mSettings.getEnabledInputMethodListLocked(),
mSettings.getCurrentUserId(), mContext.getBasePackageName());
}
mLastSystemLocale = mRes.getConfiguration().locale;
try {
startInputInnerLocked();
} catch (RuntimeException e) {
Slog.w(TAG, "Unexpected exception", e);
}
}
}
}
// ---------------------------------------------------------------------------------------
// Check whether or not this is a valid IPC. Assumes an IPC is valid when either
// 1) it comes from the system process
// 2) the calling process' user id is identical to the current user id IMMS thinks.
private boolean calledFromValidUser() {
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;
}
/**
* 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.
*/
private boolean calledWithValidToken(IBinder token) {
if (token == null || mCurToken != token) {
return false;
}
return true;
}
private boolean bindCurrentInputMethodService(
Intent service, 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()));
}
@Override
public List<InputMethodInfo> getInputMethodList() {
// TODO: Make this work even for non-current users?
if (!calledFromValidUser()) {
return Collections.emptyList();
}
synchronized (mMethodMap) {
return new ArrayList<InputMethodInfo>(mMethodList);
}
}
@Override
public List<InputMethodInfo> getEnabledInputMethodList() {
// TODO: Make this work even for non-current users?
if (!calledFromValidUser()) {
return Collections.emptyList();
}
synchronized (mMethodMap) {
return mSettings.getEnabledInputMethodListLocked();
}
}
/**
* @param imiId if null, returns enabled subtypes for the current imi
* @return enabled subtypes of the specified imi
*/
@Override
public List<InputMethodSubtype> getEnabledInputMethodSubtypeList(String imiId,
boolean allowsImplicitlySelectedSubtypes) {
// 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);
}
}
@Override
public void addClient(IInputMethodClient client,
IInputContext inputContext, int uid, int pid) {
if (!calledFromValidUser()) {
return;
}
synchronized (mMethodMap) {
mClients.put(client.asBinder(), new ClientState(client,
inputContext, uid, pid));
}
}
@Override
public void removeClient(IInputMethodClient client) {
if (!calledFromValidUser()) {
return;
}
synchronized (mMethodMap) {
ClientState cs = mClients.remove(client.asBinder());
if (cs != null) {
clearClientSessionLocked(cs);
}
}
}
void executeOrSendMessage(IInterface target, Message msg) {
if (target.asBinder() instanceof Binder) {
mCaller.sendMessage(msg);
} else {
handleMessage(msg);
msg.recycle();
}
}
void unbindCurrentClientLocked() {
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();
}
}
private int getImeShowFlags() {
int flags = 0;
if (mShowForced) {
flags |= InputMethod.SHOW_FORCED
| InputMethod.SHOW_EXPLICIT;
} else if (mShowExplicitlyRequested) {
flags |= InputMethod.SHOW_EXPLICIT;
}
return flags;
}
private int getAppShowFlags() {
int flags = 0;
if (mShowForced) {
flags |= InputMethodManager.SHOW_FORCED;
} else if (!mShowExplicitlyRequested) {
flags |= InputMethodManager.SHOW_IMPLICIT;
}
return flags;
}
InputBindResult attachNewInputLocked(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);
}
InputBindResult startInputLocked(IInputMethodClient client,
IInputContext inputContext, 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);
}
InputBindResult startInputUncheckedLocked(@NonNull ClientState cs,
IInputContext inputContext, @NonNull EditorInfo attribute, int controlFlags) {
// If no method is currently selected, do nothing.
if (mCurMethodId == null) {
return mNoBinding;
}
if (!InputMethodUtils.checkIfPackageBelongsToUid(mAppOpsManager, cs.uid,
attribute.packageName)) {
Slog.e(TAG, "Rejecting this client as it reported an invalid package name."
+ " uid=" + cs.uid + " package=" + attribute.packageName);
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 (mIsInteractive) {
executeOrSendMessage(cs.client, mCaller.obtainMessageIO(
MSG_SET_ACTIVE, mIsInteractive ? 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();
}
InputBindResult startInputInnerLocked() {
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;
}
@Override
public InputBindResult startInput(IInputMethodClient client,
IInputContext inputContext, 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);
}
}
}
@Override
public void finishInput(IInputMethodClient client) {
}
@Override
public void onServiceConnected(ComponentName name, 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);
}
}
}
}
void onSessionCreated(IInputMethod method, IInputMethodSession session,
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();
}
void unbindCurrentMethodLocked(boolean resetCurrentMethodAndClient, boolean savePosition) {
if (resetCurrentMethodAndClient) {
mCurMethodId = null;
}
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 (resetCurrentMethodAndClient) {
unbindCurrentClientLocked();
}
}
void requestClientSessionLocked(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])));
}
}
void clearClientSessionLocked(ClientState cs) {
finishSessionLocked(cs.curSession);
cs.curSession = null;
cs.sessionRequested = false;
}
private void finishSessionLocked(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);
updateSystemUiLocked(mCurToken, 0 /* vis */, mBackDisposition);
}
sessionState.session = null;
}
if (sessionState.channel != null) {
sessionState.channel.dispose();
sessionState.channel = null;
}
}
}
void clearCurMethodLocked() {
if (mCurMethod != null) {
for (ClientState cs : mClients.values()) {
clearClientSessionLocked(cs);
}
finishSessionLocked(mEnabledSession);
mEnabledSession = null;
mCurMethod = null;
}
if (mStatusBar != null) {
mStatusBar.setIconVisibility("ime", false);
}
}
@Override
public void onServiceDisconnected(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));
}
}
}
}
@Override
public void updateStatusIcon(IBinder token, 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);
}
}
private boolean shouldShowImeSwitcherLocked(int visibility) {
if (!mShowOngoingImeSwitcherForPhones) return false;
if (mSwitchingDialog != null) return false;
if (isScreenLocked()) return false;
if ((visibility & InputMethodService.IME_ACTIVE) == 0) return false;
if ((visibility & InputMethodService.IME_VISIBLE) == 0) return false;
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;
}
private boolean isKeyguardLocked() {
return mKeyguardManager != null && mKeyguardManager.isKeyguardLocked();
}
@SuppressWarnings("deprecation")
@Override
public void setImeWindowStatus(IBinder token, int vis, int backDisposition) {
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) {
mImeWindowVis = vis;
mBackDisposition = backDisposition;
updateSystemUiLocked(token, vis, backDisposition);
}
}
private void updateSystemUi(IBinder token, int vis, int backDisposition) {
synchronized (mMethodMap) {
updateSystemUiLocked(token, vis, backDisposition);
}
}
// Caution! This method is called in this class. Handle multi-user carefully
private void updateSystemUiLocked(IBinder token, int vis, int backDisposition) {
if (!calledWithValidToken(token)) {
final int uid = Binder.getCallingUid();
Slog.e(TAG, "Ignoring updateSystemUiLocked due to an invalid token. uid:" + uid
+ " token:" + token);
return;
}
// TODO: Move this clearing calling identity block to setImeWindowStatus after making sure
// all updateSystemUi happens on system previlege.
final long ident = Binder.clearCallingIdentity();
try {
// apply policy for binder calls
if (vis != 0 && isKeyguardLocked() && !mCurClientInKeyguard) {
vis = 0;
}
// mImeWindowVis should be updated before calling shouldShowImeSwitcherLocked().
final boolean needsToShowImeSwitcher = shouldShowImeSwitcherLocked(vis);
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.setContentTitle(title)
.setContentText(summary)
.setContentIntent(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.build(), 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);
}
}
@Override
public void registerSuggestionSpansForNotification(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);
}
}
}
}
@Override
public boolean notifySuggestionPicked(SuggestionSpan span, 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;
}
void updateFromSettingsLocked(boolean enabledMayChange) {
updateInputMethodsFromSettingsLocked(enabledMayChange);
updateKeyboardFromSettingsLocked();
}
void updateInputMethodsFromSettingsLocked(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);
unbindCurrentMethodLocked(true, false);
}
mShortcutInputMethodsAndSubtypes.clear();
} else {
// There is no longer an input method set, so stop any current one.
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 void updateKeyboardFromSettingsLocked() {
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);
}
}
/* package */ void setInputMethodLocked(String id, int subtypeId) {
InputMethodInfo info = mMethodMap.get(id);
if (info == null) {
throw new IllegalArgumentException("Unknown id: " + id);
}
if (mCurClient != null && mCurAttribute != null) {
// We have already made sure that the package name belongs to the application's UID.
// No further UID check is required.
if (SystemConfig.getInstance().getFixedImeApps().contains(mCurAttribute.packageName)) {
return;
}
}
// 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 {
updateSystemUiLocked(mCurToken, mImeWindowVis, mBackDisposition);
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);
}
}
@Override
public boolean showSoftInput(IInputMethodClient client, int flags,
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);
}
}
boolean showCurrentInputLocked(int flags, 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
| Context.BIND_FOREGROUND_SERVICE);
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;
}
@Override
public boolean hideSoftInput(IInputMethodClient client, int flags,
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);
return false;
}
} catch (RemoteException e) {
return false;
}
}
if (DEBUG) Slog.v(TAG, "Client requesting input be hidden");
return hideCurrentInputLocked(flags, resultReceiver);
}
} finally {
Binder.restoreCallingIdentity(ident);
}
}
boolean hideCurrentInputLocked(int flags, 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;
}
// There is a chance that IMM#hideSoftInput() is called in a transient state where
// IMMS#InputShown is already updated to be true whereas IMMS#mImeWindowVis is still waiting
// to be updated with the new value sent from IME process. Even in such a transient state
// historically we have accepted an incoming call of IMM#hideSoftInput() from the
// application process as a valid request, and have even promised such a behavior with CTS
// since Android Eclair. That's why we need to accept IMM#hideSoftInput() even when only
// IMMS#InputShown indicates that the software keyboard is shown.
// TODO: Clean up, IMMS#mInputShown, IMMS#mImeWindowVis and mShowRequested.
final boolean shouldHideSoftInput = (mCurMethod != null) && (mInputShown ||
(mImeWindowVis & InputMethodService.IME_ACTIVE) != 0);
boolean res;
if (shouldHideSoftInput) {
// The IME will report its visible state again after the following message finally
// delivered to the IME process as an IPC. Hence the inconsistency between
// IMMS#mInputShown and IMMS#mImeWindowVis should be resolved spontaneously in
// the final state.
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;
}
@Override
public InputBindResult windowGainedFocus(IInputMethodClient client, IBinder windowToken,
int controlFlags, int softInputMode, int windowFlags,
EditorInfo attribute, 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;
}
@Override
public void showInputMethodPickerFromClient(
IInputMethodClient client, int auxiliarySubtypeMode) {
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.sendMessage(mCaller.obtainMessageI(
MSG_SHOW_IM_SUBTYPE_PICKER, auxiliarySubtypeMode));
}
}
@Override
public void setInputMethod(IBinder token, String id) {
if (!calledFromValidUser()) {
return;
}
setInputMethodWithSubtypeId(token, id, NOT_A_SUBTYPE_ID);
}
@Override
public void setInputMethodAndSubtype(IBinder token, String id, InputMethodSubtype subtype) {
if (!calledFromValidUser()) {
return;
}
synchronized (mMethodMap) {
if (subtype != null) {
setInputMethodWithSubtypeIdLocked(token, id,
InputMethodUtils.getSubtypeIdFromHashCode(mMethodMap.get(id),
subtype.hashCode()));
} else {
setInputMethod(token, id);
}
}
}
@Override
public void showInputMethodAndSubtypeEnablerFromClient(
IInputMethodClient client, 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));
}
}
@Override
public boolean switchToLastInputMethod(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;
}
}
}
@Override
public boolean switchToNextInputMethod(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;
}
}
@Override
public boolean shouldOfferSwitchingToNextInputMethod(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;
}
}
@Override
public InputMethodSubtype getLastInputMethodSubtype() {
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;
}
}
}
@Override
public void setAdditionalInputMethodSubtypes(String imiId, 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;
}
@Override
public int getInputMethodWindowVisibleHeight() {
return mWindowManagerService.getInputMethodWindowVisibleHeight();
}
@Override
public void notifyUserAction(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);
}
}
}
private void setInputMethodWithSubtypeId(IBinder token, String id, int subtypeId) {
synchronized (mMethodMap) {
setInputMethodWithSubtypeIdLocked(token, id, subtypeId);
}
}
private void setInputMethodWithSubtypeIdLocked(IBinder token, 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);
}
}
@Override
public void hideMySoftInput(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);
}
}
}
@Override
public void showMySoftInput(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);
}
}
}
void setEnabledSessionInMainThread(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) {
}
}
}
}
@Override
public boolean handleMessage(Message msg) {
SomeArgs args;
switch (msg.what) {
case MSG_SHOW_IM_SUBTYPE_PICKER:
final boolean showAuxSubtypes;
switch (msg.arg1) {
case InputMethodManager.SHOW_IM_PICKER_MODE_AUTO:
// This is undocumented so far, but IMM#showInputMethodPicker() has been
// implemented so that auxiliary subtypes will be excluded when the soft
// keyboard is invisible.
showAuxSubtypes = mInputShown;
break;
case InputMethodManager.SHOW_IM_PICKER_MODE_INCLUDE_AUXILIARY_SUBTYPES:
showAuxSubtypes = true;
break;
case InputMethodManager.SHOW_IM_PICKER_MODE_EXCLUDE_AUXILIARY_SUBTYPES:
showAuxSubtypes = false;
break;
default:
Slog.e(TAG, "Unknown subtype picker mode = " + msg.arg1);
return false;
}
showInputMethodMenu(showAuxSubtypes);
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_INTERACTIVE:
handleSetInteractive(msg.arg1 != 0);
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;
}
private void handleSetInteractive(final boolean interactive) {
synchronized (mMethodMap) {
mIsInteractive = interactive;
updateSystemUiLocked(mCurToken, interactive ? mImeWindowVis : 0, mBackDisposition);
// Inform the current client of the change in active status
if (mCurClient != null && mCurClient.client != null) {
executeOrSendMessage(mCurClient.client, mCaller.obtainMessageIO(
MSG_SET_ACTIVE, mIsInteractive ? 1 : 0, mCurClient));
}
}
}
private boolean chooseNewDefaultIMELocked() {
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;
}
void buildInputMethodListLocked(ArrayList<InputMethodInfo> list,
HashMap<String, InputMethodInfo> 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 void showInputMethodAndSubtypeEnabler(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);
}
private void showConfigureInputMethods() {
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);
}
private boolean isScreenLocked() {
return mKeyguardManager != null
&& mKeyguardManager.isKeyguardLocked() && mKeyguardManager.isKeyguardSecure();
}
private void showInputMethodMenu(boolean showAuxSubtypes) {
if (DEBUG) Slog.v(TAG, "Show switching menu. showAuxSubtypes=" + showAuxSubtypes);
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(
true /* showSubtypes */, showAuxSubtypes, 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 (!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");
updateSystemUi(mCurToken, mImeWindowVis, mBackDisposition);
mSwitchingDialog.show();
}
}
private static class ImeSubtypeListAdapter extends ArrayAdapter<ImeSubtypeListItem> {
private final LayoutInflater mInflater;
private final int mTextViewResourceId;
private final List<ImeSubtypeListItem> mItemsList;
public int mCheckedItem;
public ImeSubtypeListAdapter(Context context, int textViewResourceId,
List<ImeSubtypeListItem> itemsList, int checkedItem) {
super(context, textViewResourceId, itemsList);
mTextViewResourceId = textViewResourceId;
mItemsList = itemsList;
mCheckedItem = checkedItem;
mInflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
final View view = convertView != null ? convertView
: mInflater.inflate(mTextViewResourceId, null);
if (position < 0 || position >= mItemsList.size()) return view;
final ImeSubtypeListItem item = mItemsList.get(position);
final CharSequence imeName = item.mImeName;
final CharSequence subtypeName = item.mSubtypeName;
final TextView firstTextView = (TextView)view.findViewById(android.R.id.text1);
final TextView secondTextView = (TextView)view.findViewById(android.R.id.text2);
if (TextUtils.isEmpty(subtypeName)) {
firstTextView.setText(imeName);
secondTextView.setVisibility(View.GONE);
} else {
firstTextView.setText(subtypeName);
secondTextView.setText(imeName);
secondTextView.setVisibility(View.VISIBLE);
}
final RadioButton radioButton =
(RadioButton)view.findViewById(com.android.internal.R.id.radio);
radioButton.setChecked(position == mCheckedItem);
return view;
}
}
void hideInputMethodMenu() {
synchronized (mMethodMap) {
hideInputMethodMenuLocked();
}
}
void hideInputMethodMenuLocked() {
if (DEBUG) Slog.v(TAG, "Hide switching menu");
if (mSwitchingDialog != null) {
mSwitchingDialog.dismiss();
mSwitchingDialog = null;
}
updateSystemUiLocked(mCurToken, mImeWindowVis, mBackDisposition);
mDialogBuilder = null;
mIms = null;
}
// ----------------------------------------------------------------------
@Override
public boolean setInputMethodEnabled(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);
}
}
}
boolean setInputMethodEnabledLocked(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;
}
}
}
private void setSelectedInputMethodAndSubtypeLocked(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() : "");
}
}
private void resetSelectedInputMethodAndSubtypeLocked(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);
}
// If there are no selected shortcuts, tries finding the most applicable ones.
private Pair<InputMethodInfo, InputMethodSubtype>
findLastResortApplicableShortcutInputMethodAndSubtypeLocked(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;
}
}
/**
* @return Return the current subtype of this input method.
*/
@Override
public InputMethodSubtype getCurrentInputMethodSubtype() {
// TODO: Make this work even for non-current users?
if (!calledFromValidUser()) {
return null;
}
synchronized (mMethodMap) {
return getCurrentInputMethodSubtypeLocked();
}
}
private InputMethodSubtype getCurrentInputMethodSubtypeLocked() {
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;
}
private void addShortcutInputMethodAndSubtypes(InputMethodInfo imi,
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);
}
}
// TODO: We should change the return type from List to List<Parcelable>
@SuppressWarnings("rawtypes")
@Override
public List getShortcutInputMethodsAndSubtypes() {
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;
}
}
@Override
public boolean setCurrentInputMethodSubtype(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;
}
}
// TODO: Cache the state for each user and reset when the cached user is removed.
private static class InputMethodFileManager {
private static final String SYSTEM_PATH = "system";
private static final String INPUT_METHOD_PATH = "inputmethod";
private static final String ADDITIONAL_SUBTYPES_FILE_NAME = "subtypes.xml";
private static final String NODE_SUBTYPES = "subtypes";
private static final String NODE_SUBTYPE = "subtype";
private static final String NODE_IMI = "imi";
private static final String ATTR_ID = "id";
private static final String ATTR_LABEL = "label";
private static final String ATTR_ICON = "icon";
private static final String ATTR_IME_SUBTYPE_LOCALE = "imeSubtypeLocale";
private static final String ATTR_IME_SUBTYPE_MODE = "imeSubtypeMode";
private static final String ATTR_IME_SUBTYPE_EXTRA_VALUE = "imeSubtypeExtraValue";
private static final String ATTR_IS_AUXILIARY = "isAuxiliary";
private final AtomicFile mAdditionalInputMethodSubtypeFile;
private final HashMap<String, InputMethodInfo> mMethodMap;
private final HashMap<String, List<InputMethodSubtype>> mAdditionalSubtypesMap =
new HashMap<String, List<InputMethodSubtype>>();
public InputMethodFileManager(HashMap<String, InputMethodInfo> methodMap, int userId) {
if (methodMap == null) {
throw new NullPointerException("methodMap is null");
}
mMethodMap = methodMap;
final File systemDir = userId == UserHandle.USER_OWNER
? new File(Environment.getDataDirectory(), SYSTEM_PATH)
: Environment.getUserSystemDirectory(userId);
final File inputMethodDir = new File(systemDir, INPUT_METHOD_PATH);
if (!inputMethodDir.exists() && !inputMethodDir.mkdirs()) {
Slog.w(TAG, "Couldn't create dir.: " + inputMethodDir.getAbsolutePath());
}
final File subtypeFile = new File(inputMethodDir, ADDITIONAL_SUBTYPES_FILE_NAME);
mAdditionalInputMethodSubtypeFile = new AtomicFile(subtypeFile);
if (!subtypeFile.exists()) {
// If "subtypes.xml" doesn't exist, create a blank file.
writeAdditionalInputMethodSubtypes(
mAdditionalSubtypesMap, mAdditionalInputMethodSubtypeFile, methodMap);
} else {
readAdditionalInputMethodSubtypes(
mAdditionalSubtypesMap, mAdditionalInputMethodSubtypeFile);
}
}
private void deleteAllInputMethodSubtypes(String imiId) {
synchronized (mMethodMap) {
mAdditionalSubtypesMap.remove(imiId);
writeAdditionalInputMethodSubtypes(
mAdditionalSubtypesMap, mAdditionalInputMethodSubtypeFile, mMethodMap);
}
}
public void addInputMethodSubtypes(
InputMethodInfo imi, InputMethodSubtype[] additionalSubtypes) {
synchronized (mMethodMap) {
final ArrayList<InputMethodSubtype> subtypes = new ArrayList<InputMethodSubtype>();
final int N = additionalSubtypes.length;
for (int i = 0; i < N; ++i) {
final InputMethodSubtype subtype = additionalSubtypes[i];
if (!subtypes.contains(subtype)) {
subtypes.add(subtype);
} else {
Slog.w(TAG, "Duplicated subtype definition found: "
+ subtype.getLocale() + ", " + subtype.getMode());
}
}
mAdditionalSubtypesMap.put(imi.getId(), subtypes);
writeAdditionalInputMethodSubtypes(
mAdditionalSubtypesMap, mAdditionalInputMethodSubtypeFile, mMethodMap);
}
}
public HashMap<String, List<InputMethodSubtype>> getAllAdditionalInputMethodSubtypes() {
synchronized (mMethodMap) {
return mAdditionalSubtypesMap;
}
}
private static void writeAdditionalInputMethodSubtypes(
HashMap<String, List<InputMethodSubtype>> allSubtypes, AtomicFile subtypesFile,
HashMap<String, InputMethodInfo> methodMap) {
// Safety net for the case that this function is called before methodMap is set.
final boolean isSetMethodMap = methodMap != null && methodMap.size() > 0;
FileOutputStream fos = null;
try {
fos = subtypesFile.startWrite();
final XmlSerializer out = new FastXmlSerializer();
out.setOutput(fos, StandardCharsets.UTF_8.name());
out.startDocument(null, true);
out.setFeature("http://xmlpull.org/v1/doc/features.html#indent-output", true);
out.startTag(null, NODE_SUBTYPES);
for (String imiId : allSubtypes.keySet()) {
if (isSetMethodMap && !methodMap.containsKey(imiId)) {
Slog.w(TAG, "IME uninstalled or not valid.: " + imiId);
continue;
}
out.startTag(null, NODE_IMI);
out.attribute(null, ATTR_ID, imiId);
final List<InputMethodSubtype> subtypesList = allSubtypes.get(imiId);
final int N = subtypesList.size();
for (int i = 0; i < N; ++i) {
final InputMethodSubtype subtype = subtypesList.get(i);
out.startTag(null, NODE_SUBTYPE);
out.attribute(null, ATTR_ICON, String.valueOf(subtype.getIconResId()));
out.attribute(null, ATTR_LABEL, String.valueOf(subtype.getNameResId()));
out.attribute(null, ATTR_IME_SUBTYPE_LOCALE, subtype.getLocale());
out.attribute(null, ATTR_IME_SUBTYPE_MODE, subtype.getMode());
out.attribute(null, ATTR_IME_SUBTYPE_EXTRA_VALUE, subtype.getExtraValue());
out.attribute(null, ATTR_IS_AUXILIARY,
String.valueOf(subtype.isAuxiliary() ? 1 : 0));
out.endTag(null, NODE_SUBTYPE);
}
out.endTag(null, NODE_IMI);
}
out.endTag(null, NODE_SUBTYPES);
out.endDocument();
subtypesFile.finishWrite(fos);
} catch (java.io.IOException e) {
Slog.w(TAG, "Error writing subtypes", e);
if (fos != null) {
subtypesFile.failWrite(fos);
}
}
}
private static void readAdditionalInputMethodSubtypes(
HashMap<String, List<InputMethodSubtype>> allSubtypes, AtomicFile subtypesFile) {
if (allSubtypes == null || subtypesFile == null) return;
allSubtypes.clear();
FileInputStream fis = null;
try {
fis = subtypesFile.openRead();
final XmlPullParser parser = Xml.newPullParser();
parser.setInput(fis, StandardCharsets.UTF_8.name());
int type = parser.getEventType();
// Skip parsing until START_TAG
while ((type = parser.next()) != XmlPullParser.START_TAG
&& type != XmlPullParser.END_DOCUMENT) {}
String firstNodeName = parser.getName();
if (!NODE_SUBTYPES.equals(firstNodeName)) {
throw new XmlPullParserException("Xml doesn't start with subtypes");
}
final int depth =parser.getDepth();
String currentImiId = null;
ArrayList<InputMethodSubtype> tempSubtypesArray = null;
while (((type = parser.next()) != XmlPullParser.END_TAG
|| parser.getDepth() > depth) && type != XmlPullParser.END_DOCUMENT) {
if (type != XmlPullParser.START_TAG)
continue;
final String nodeName = parser.getName();
if (NODE_IMI.equals(nodeName)) {
currentImiId = parser.getAttributeValue(null, ATTR_ID);
if (TextUtils.isEmpty(currentImiId)) {
Slog.w(TAG, "Invalid imi id found in subtypes.xml");
continue;
}
tempSubtypesArray = new ArrayList<InputMethodSubtype>();
allSubtypes.put(currentImiId, tempSubtypesArray);
} else if (NODE_SUBTYPE.equals(nodeName)) {
if (TextUtils.isEmpty(currentImiId) || tempSubtypesArray == null) {
Slog.w(TAG, "IME uninstalled or not valid.: " + currentImiId);
continue;
}
final int icon = Integer.valueOf(
parser.getAttributeValue(null, ATTR_ICON));
final int label = Integer.valueOf(
parser.getAttributeValue(null, ATTR_LABEL));
final String imeSubtypeLocale =
parser.getAttributeValue(null, ATTR_IME_SUBTYPE_LOCALE);
final String imeSubtypeMode =
parser.getAttributeValue(null, ATTR_IME_SUBTYPE_MODE);
final String imeSubtypeExtraValue =
parser.getAttributeValue(null, ATTR_IME_SUBTYPE_EXTRA_VALUE);
final boolean isAuxiliary = "1".equals(String.valueOf(
parser.getAttributeValue(null, ATTR_IS_AUXILIARY)));
final InputMethodSubtype subtype = new InputMethodSubtypeBuilder()
.setSubtypeNameResId(label)
.setSubtypeIconResId(icon)
.setSubtypeLocale(imeSubtypeLocale)
.setSubtypeMode(imeSubtypeMode)
.setSubtypeExtraValue(imeSubtypeExtraValue)
.setIsAuxiliary(isAuxiliary)
.build();
tempSubtypesArray.add(subtype);
}
}
} catch (XmlPullParserException e) {
Slog.w(TAG, "Error reading subtypes: " + e);
return;
} catch (java.io.IOException e) {
Slog.w(TAG, "Error reading subtypes: " + e);
return;
} catch (NumberFormatException e) {
Slog.w(TAG, "Error reading subtypes: " + e);
return;
} finally {
if (fis != null) {
try {
fis.close();
} catch (java.io.IOException e1) {
Slog.w(TAG, "Failed to close.");
}
}
}
}
}
private static final class LocalServiceImpl implements InputMethodManagerInternal {
@NonNull
private final Handler mHandler;
LocalServiceImpl(@NonNull final Handler handler) {
mHandler = handler;
}
@Override
public void setInteractive(boolean interactive) {
// Do everything in handler so as not to block the caller.
mHandler.sendMessage(mHandler.obtainMessage(MSG_SET_INTERACTIVE,
interactive ? 1 : 0, 0));
}
}
@Override
protected void dump(FileDescriptor fd, PrintWriter pw, 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=" + mIsInteractive);
p.println(" mSettingsObserver=" + mSettingsObserver);
p.println(" mSwitchingController:");
mSwitchingController.dump(p);
}
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.");
}
}
}