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/*
* Copyright (C) 2014 The Android Open Source Project
*
* 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.voiceinteraction;
import android.Manifest;
import android.app.ActivityManager;
import android.app.AppGlobals;
import android.content.ComponentName;
import android.content.ContentResolver;
import android.content.Context;
import android.content.Intent;
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.database.ContentObserver;
import android.hardware.soundtrigger.IRecognitionStatusCallback;
import android.hardware.soundtrigger.SoundTrigger.KeyphraseSoundModel;
import android.hardware.soundtrigger.SoundTrigger.ModuleProperties;
import android.hardware.soundtrigger.SoundTrigger.RecognitionConfig;
import android.os.Binder;
import android.os.Bundle;
import android.os.Handler;
import android.os.IBinder;
import android.os.Parcel;
import android.os.RemoteException;
import android.os.UserHandle;
import android.provider.Settings;
import android.service.voice.IVoiceInteractionService;
import android.service.voice.IVoiceInteractionSession;
import android.service.voice.VoiceInteractionService;
import android.service.voice.VoiceInteractionServiceInfo;
import android.speech.RecognitionService;
import android.text.TextUtils;
import android.util.Slog;
import com.android.internal.app.IVoiceInteractionManagerService;
import com.android.internal.app.IVoiceInteractionSessionShowCallback;
import com.android.internal.app.IVoiceInteractor;
import com.android.internal.content.PackageMonitor;
import com.android.internal.os.BackgroundThread;
import com.android.server.SystemService;
import com.android.server.UiThread;
import java.io.FileDescriptor;
import java.io.PrintWriter;
import java.util.List;
/**
* SystemService that publishes an IVoiceInteractionManagerService.
*/
public class VoiceInteractionManagerService extends SystemService {
static final String TAG = "VoiceInteractionManagerService";
static final boolean DEBUG = false;
final Context mContext;
final ContentResolver mResolver;
final DatabaseHelper mDbHelper;
final SoundTriggerHelper mSoundTriggerHelper;
public VoiceInteractionManagerService(Context context) {
super(context);
mContext = context;
mResolver = context.getContentResolver();
mDbHelper = new DatabaseHelper(context);
mSoundTriggerHelper = new SoundTriggerHelper(context);
}
@Override
public void onStart() {
publishBinderService(Context.VOICE_INTERACTION_MANAGER_SERVICE, mServiceStub);
}
@Override
public void onBootPhase(int phase) {
if (phase == PHASE_THIRD_PARTY_APPS_CAN_START) {
mServiceStub.systemRunning(isSafeMode());
}
}
@Override
public void onStartUser(int userHandle) {
mServiceStub.initForUser(userHandle);
}
@Override
public void onSwitchUser(int userHandle) {
mServiceStub.switchUser(userHandle);
}
// implementation entry point and binder service
private final VoiceInteractionManagerServiceStub mServiceStub
= new VoiceInteractionManagerServiceStub();
class VoiceInteractionManagerServiceStub extends IVoiceInteractionManagerService.Stub {
VoiceInteractionManagerServiceImpl mImpl;
private boolean mSafeMode;
private int mCurUser;
@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 activity manager only throws security exceptions, so let's
// log all others.
if (!(e instanceof SecurityException)) {
Slog.wtf(TAG, "VoiceInteractionManagerService Crash", e);
}
throw e;
}
}
public void initForUser(int userHandle) {
if (DEBUG) Slog.d(TAG, "**************** initForUser user=" + userHandle);
String curInteractorStr = Settings.Secure.getStringForUser(
mContext.getContentResolver(),
Settings.Secure.VOICE_INTERACTION_SERVICE, userHandle);
ComponentName curRecognizer = getCurRecognizer(userHandle);
VoiceInteractionServiceInfo curInteractorInfo = null;
if (DEBUG) Slog.d(TAG, "curInteractorStr=" + curInteractorStr
+ " curRecognizer=" + curRecognizer);
if (curInteractorStr == null && curRecognizer != null
&& !ActivityManager.isLowRamDeviceStatic()) {
// If there is no interactor setting, that means we are upgrading
// from an older platform version. If the current recognizer is not
// set or matches the preferred recognizer, then we want to upgrade
// the user to have the default voice interaction service enabled.
// Note that we don't do this for low-RAM devices, since we aren't
// supporting voice interaction services there.
curInteractorInfo = findAvailInteractor(userHandle, curRecognizer);
if (curInteractorInfo != null) {
// Looks good! We'll apply this one. To make it happen, we clear the
// recognizer so that we don't think we have anything set and will
// re-apply the settings.
if (DEBUG) Slog.d(TAG, "No set interactor, found avail: "
+ curInteractorInfo.getServiceInfo().name);
curRecognizer = null;
}
}
// If we are on a svelte device, make sure an interactor is not currently
// enabled; if it is, turn it off.
if (ActivityManager.isLowRamDeviceStatic() && curInteractorStr != null) {
if (!TextUtils.isEmpty(curInteractorStr)) {
if (DEBUG) Slog.d(TAG, "Svelte device; disabling interactor");
setCurInteractor(null, userHandle);
curInteractorStr = "";
}
}
if (curRecognizer != null) {
// If we already have at least a recognizer, then we probably want to
// leave things as they are... unless something has disappeared.
IPackageManager pm = AppGlobals.getPackageManager();
ServiceInfo interactorInfo = null;
ServiceInfo recognizerInfo = null;
ComponentName curInteractor = !TextUtils.isEmpty(curInteractorStr)
? ComponentName.unflattenFromString(curInteractorStr) : null;
try {
recognizerInfo = pm.getServiceInfo(curRecognizer, 0, userHandle);
if (curInteractor != null) {
interactorInfo = pm.getServiceInfo(curInteractor, 0, userHandle);
}
} catch (RemoteException e) {
}
// If the apps for the currently set components still exist, then all is okay.
if (recognizerInfo != null && (curInteractor == null || interactorInfo != null)) {
if (DEBUG) Slog.d(TAG, "Current interactor/recognizer okay, done!");
return;
}
if (DEBUG) Slog.d(TAG, "Bad recognizer (" + recognizerInfo + ") or interactor ("
+ interactorInfo + ")");
}
// Initializing settings, look for an interactor first (but only on non-svelte).
if (curInteractorInfo == null && !ActivityManager.isLowRamDeviceStatic()) {
curInteractorInfo = findAvailInteractor(userHandle, null);
}
if (curInteractorInfo != null) {
// Eventually it will be an error to not specify this.
setCurInteractor(new ComponentName(curInteractorInfo.getServiceInfo().packageName,
curInteractorInfo.getServiceInfo().name), userHandle);
if (curInteractorInfo.getRecognitionService() != null) {
setCurRecognizer(
new ComponentName(curInteractorInfo.getServiceInfo().packageName,
curInteractorInfo.getRecognitionService()), userHandle);
return;
}
}
// No voice interactor, we'll just set up a simple recognizer.
curRecognizer = findAvailRecognizer(null, userHandle);
if (curRecognizer != null) {
if (curInteractorInfo == null) {
setCurInteractor(null, userHandle);
}
setCurRecognizer(curRecognizer, userHandle);
}
}
public void systemRunning(boolean safeMode) {
mSafeMode = safeMode;
mPackageMonitor.register(mContext, BackgroundThread.getHandler().getLooper(),
UserHandle.ALL, true);
new SettingsObserver(UiThread.getHandler());
synchronized (this) {
mCurUser = ActivityManager.getCurrentUser();
switchImplementationIfNeededLocked(false);
}
}
public void switchUser(int userHandle) {
synchronized (this) {
mCurUser = userHandle;
switchImplementationIfNeededLocked(false);
}
}
void switchImplementationIfNeededLocked(boolean force) {
if (!mSafeMode) {
String curService = Settings.Secure.getStringForUser(
mResolver, Settings.Secure.VOICE_INTERACTION_SERVICE, mCurUser);
ComponentName serviceComponent = null;
if (curService != null && !curService.isEmpty()) {
try {
serviceComponent = ComponentName.unflattenFromString(curService);
} catch (RuntimeException e) {
Slog.wtf(TAG, "Bad voice interaction service name " + curService, e);
serviceComponent = null;
}
}
if (force || mImpl == null || mImpl.mUser != mCurUser
|| !mImpl.mComponent.equals(serviceComponent)) {
mSoundTriggerHelper.stopAllRecognitions();
if (mImpl != null) {
mImpl.shutdownLocked();
}
if (serviceComponent != null) {
mImpl = new VoiceInteractionManagerServiceImpl(mContext,
UiThread.getHandler(), this, mCurUser, serviceComponent);
mImpl.startLocked();
} else {
mImpl = null;
}
}
}
}
VoiceInteractionServiceInfo findAvailInteractor(int userHandle, ComponentName recognizer) {
List<ResolveInfo> available =
mContext.getPackageManager().queryIntentServicesAsUser(
new Intent(VoiceInteractionService.SERVICE_INTERFACE), 0, userHandle);
int numAvailable = available.size();
if (numAvailable == 0) {
Slog.w(TAG, "no available voice interaction services found for user " + userHandle);
return null;
} else {
// Find first system package. We never want to allow third party services to
// be automatically selected, because those require approval of the user.
VoiceInteractionServiceInfo foundInfo = null;
for (int i=0; i<numAvailable; i++) {
ServiceInfo cur = available.get(i).serviceInfo;
if ((cur.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) {
ComponentName comp = new ComponentName(cur.packageName, cur.name);
try {
VoiceInteractionServiceInfo info = new VoiceInteractionServiceInfo(
mContext.getPackageManager(), comp, userHandle);
if (info.getParseError() == null) {
if (recognizer == null || info.getServiceInfo().packageName.equals(
recognizer.getPackageName())) {
if (foundInfo == null) {
foundInfo = info;
} else {
Slog.w(TAG, "More than one voice interaction service, "
+ "picking first "
+ new ComponentName(
foundInfo.getServiceInfo().packageName,
foundInfo.getServiceInfo().name)
+ " over "
+ new ComponentName(cur.packageName, cur.name));
}
}
} else {
Slog.w(TAG, "Bad interaction service " + comp + ": "
+ info.getParseError());
}
} catch (PackageManager.NameNotFoundException e) {
Slog.w(TAG, "Failure looking up interaction service " + comp);
} catch (RemoteException e) {
}
}
}
return foundInfo;
}
}
ComponentName getCurInteractor(int userHandle) {
String curInteractor = Settings.Secure.getStringForUser(
mContext.getContentResolver(),
Settings.Secure.VOICE_INTERACTION_SERVICE, userHandle);
if (TextUtils.isEmpty(curInteractor)) {
return null;
}
if (DEBUG) Slog.d(TAG, "getCurInteractor curInteractor=" + curInteractor
+ " user=" + userHandle);
return ComponentName.unflattenFromString(curInteractor);
}
void setCurInteractor(ComponentName comp, int userHandle) {
Settings.Secure.putStringForUser(mContext.getContentResolver(),
Settings.Secure.VOICE_INTERACTION_SERVICE,
comp != null ? comp.flattenToShortString() : "", userHandle);
if (DEBUG) Slog.d(TAG, "setCurInteractor comp=" + comp
+ " user=" + userHandle);
}
ComponentName findAvailRecognizer(String prefPackage, int userHandle) {
List<ResolveInfo> available =
mContext.getPackageManager().queryIntentServicesAsUser(
new Intent(RecognitionService.SERVICE_INTERFACE), 0, userHandle);
int numAvailable = available.size();
if (numAvailable == 0) {
Slog.w(TAG, "no available voice recognition services found for user " + userHandle);
return null;
} else {
if (prefPackage != null) {
for (int i=0; i<numAvailable; i++) {
ServiceInfo serviceInfo = available.get(i).serviceInfo;
if (prefPackage.equals(serviceInfo.packageName)) {
return new ComponentName(serviceInfo.packageName, serviceInfo.name);
}
}
}
if (numAvailable > 1) {
Slog.w(TAG, "more than one voice recognition service found, picking first");
}
ServiceInfo serviceInfo = available.get(0).serviceInfo;
return new ComponentName(serviceInfo.packageName, serviceInfo.name);
}
}
ComponentName getCurRecognizer(int userHandle) {
String curRecognizer = Settings.Secure.getStringForUser(
mContext.getContentResolver(),
Settings.Secure.VOICE_RECOGNITION_SERVICE, userHandle);
if (TextUtils.isEmpty(curRecognizer)) {
return null;
}
if (DEBUG) Slog.d(TAG, "getCurRecognizer curRecognizer=" + curRecognizer
+ " user=" + userHandle);
return ComponentName.unflattenFromString(curRecognizer);
}
void setCurRecognizer(ComponentName comp, int userHandle) {
Settings.Secure.putStringForUser(mContext.getContentResolver(),
Settings.Secure.VOICE_RECOGNITION_SERVICE,
comp != null ? comp.flattenToShortString() : "", userHandle);
if (DEBUG) Slog.d(TAG, "setCurRecognizer comp=" + comp
+ " user=" + userHandle);
}
@Override
public void showSession(IVoiceInteractionService service, Bundle args, int flags) {
synchronized (this) {
if (mImpl == null || mImpl.mService == null
|| service.asBinder() != mImpl.mService.asBinder()) {
throw new SecurityException(
"Caller is not the current voice interaction service");
}
final long caller = Binder.clearCallingIdentity();
try {
mImpl.showSessionLocked(args, flags, null /* showCallback */);
} finally {
Binder.restoreCallingIdentity(caller);
}
}
}
@Override
public boolean deliverNewSession(IBinder token, IVoiceInteractionSession session,
IVoiceInteractor interactor) {
synchronized (this) {
if (mImpl == null) {
throw new SecurityException(
"deliverNewSession without running voice interaction service");
}
final int callingPid = Binder.getCallingPid();
final int callingUid = Binder.getCallingUid();
final long caller = Binder.clearCallingIdentity();
try {
return mImpl.deliverNewSessionLocked(callingPid, callingUid, token, session,
interactor);
} finally {
Binder.restoreCallingIdentity(caller);
}
}
}
@Override
public boolean showSessionFromSession(IBinder token, Bundle sessionArgs, int flags) {
synchronized (this) {
if (mImpl == null) {
Slog.w(TAG, "showSessionFromSession without running voice interaction service");
return false;
}
final long caller = Binder.clearCallingIdentity();
try {
return mImpl.showSessionLocked(sessionArgs, flags, null /* showCallback */);
} finally {
Binder.restoreCallingIdentity(caller);
}
}
}
@Override
public boolean hideSessionFromSession(IBinder token) {
synchronized (this) {
if (mImpl == null) {
Slog.w(TAG, "hideSessionFromSession without running voice interaction service");
return false;
}
final int callingPid = Binder.getCallingPid();
final int callingUid = Binder.getCallingUid();
final long caller = Binder.clearCallingIdentity();
try {
return mImpl.hideSessionLocked(callingPid, callingUid);
} finally {
Binder.restoreCallingIdentity(caller);
}
}
}
@Override
public int startVoiceActivity(IBinder token, Intent intent, String resolvedType) {
synchronized (this) {
if (mImpl == null) {
Slog.w(TAG, "startVoiceActivity without running voice interaction service");
return ActivityManager.START_CANCELED;
}
final int callingPid = Binder.getCallingPid();
final int callingUid = Binder.getCallingUid();
final long caller = Binder.clearCallingIdentity();
try {
return mImpl.startVoiceActivityLocked(callingPid, callingUid, token,
intent, resolvedType);
} finally {
Binder.restoreCallingIdentity(caller);
}
}
}
@Override
public void setKeepAwake(IBinder token, boolean keepAwake) {
synchronized (this) {
if (mImpl == null) {
Slog.w(TAG, "setKeepAwake without running voice interaction service");
return;
}
final int callingPid = Binder.getCallingPid();
final int callingUid = Binder.getCallingUid();
final long caller = Binder.clearCallingIdentity();
try {
mImpl.setKeepAwakeLocked(callingPid, callingUid, token, keepAwake);
} finally {
Binder.restoreCallingIdentity(caller);
}
}
}
@Override
public void finish(IBinder token) {
synchronized (this) {
if (mImpl == null) {
Slog.w(TAG, "finish without running voice interaction service");
return;
}
final long caller = Binder.clearCallingIdentity();
try {
mImpl.finishLocked(token);
} finally {
Binder.restoreCallingIdentity(caller);
}
}
}
//----------------- Model management APIs --------------------------------//
@Override
public KeyphraseSoundModel getKeyphraseSoundModel(int keyphraseId, String bcp47Locale) {
enforceCallingPermission(Manifest.permission.MANAGE_VOICE_KEYPHRASES);
if (bcp47Locale == null) {
throw new IllegalArgumentException("Illegal argument(s) in getKeyphraseSoundModel");
}
final int callingUid = UserHandle.getCallingUserId();
final long caller = Binder.clearCallingIdentity();
try {
return mDbHelper.getKeyphraseSoundModel(keyphraseId, callingUid, bcp47Locale);
} finally {
Binder.restoreCallingIdentity(caller);
}
}
@Override
public int updateKeyphraseSoundModel(KeyphraseSoundModel model) {
enforceCallingPermission(Manifest.permission.MANAGE_VOICE_KEYPHRASES);
if (model == null) {
throw new IllegalArgumentException("Model must not be null");
}
final long caller = Binder.clearCallingIdentity();
try {
if (mDbHelper.updateKeyphraseSoundModel(model)) {
synchronized (this) {
// Notify the voice interaction service of a change in sound models.
if (mImpl != null && mImpl.mService != null) {
mImpl.notifySoundModelsChangedLocked();
}
}
return SoundTriggerHelper.STATUS_OK;
} else {
return SoundTriggerHelper.STATUS_ERROR;
}
} finally {
Binder.restoreCallingIdentity(caller);
}
}
@Override
public int deleteKeyphraseSoundModel(int keyphraseId, String bcp47Locale) {
enforceCallingPermission(Manifest.permission.MANAGE_VOICE_KEYPHRASES);
if (bcp47Locale == null) {
throw new IllegalArgumentException(
"Illegal argument(s) in deleteKeyphraseSoundModel");
}
final int callingUid = UserHandle.getCallingUserId();
final long caller = Binder.clearCallingIdentity();
boolean deleted = false;
try {
deleted = mDbHelper.deleteKeyphraseSoundModel(keyphraseId, callingUid, bcp47Locale);
return deleted ? SoundTriggerHelper.STATUS_OK : SoundTriggerHelper.STATUS_ERROR;
} finally {
if (deleted) {
synchronized (this) {
// Notify the voice interaction service of a change in sound models.
if (mImpl != null && mImpl.mService != null) {
mImpl.notifySoundModelsChangedLocked();
}
}
}
Binder.restoreCallingIdentity(caller);
}
}
//----------------- SoundTrigger APIs --------------------------------//
@Override
public boolean isEnrolledForKeyphrase(IVoiceInteractionService service, int keyphraseId,
String bcp47Locale) {
synchronized (this) {
if (mImpl == null || mImpl.mService == null
|| service.asBinder() != mImpl.mService.asBinder()) {
throw new SecurityException(
"Caller is not the current voice interaction service");
}
}
if (bcp47Locale == null) {
throw new IllegalArgumentException("Illegal argument(s) in isEnrolledForKeyphrase");
}
final int callingUid = UserHandle.getCallingUserId();
final long caller = Binder.clearCallingIdentity();
try {
KeyphraseSoundModel model =
mDbHelper.getKeyphraseSoundModel(keyphraseId, callingUid, bcp47Locale);
return model != null;
} finally {
Binder.restoreCallingIdentity(caller);
}
}
@Override
public ModuleProperties getDspModuleProperties(IVoiceInteractionService service) {
// Allow the call if this is the current voice interaction service.
synchronized (this) {
if (mImpl == null || mImpl.mService == null
|| service == null || service.asBinder() != mImpl.mService.asBinder()) {
throw new SecurityException(
"Caller is not the current voice interaction service");
}
final long caller = Binder.clearCallingIdentity();
try {
return mSoundTriggerHelper.moduleProperties;
} finally {
Binder.restoreCallingIdentity(caller);
}
}
}
@Override
public int startRecognition(IVoiceInteractionService service, int keyphraseId,
String bcp47Locale, IRecognitionStatusCallback callback,
RecognitionConfig recognitionConfig) {
// Allow the call if this is the current voice interaction service.
synchronized (this) {
if (mImpl == null || mImpl.mService == null
|| service == null || service.asBinder() != mImpl.mService.asBinder()) {
throw new SecurityException(
"Caller is not the current voice interaction service");
}
if (callback == null || recognitionConfig == null || bcp47Locale == null) {
throw new IllegalArgumentException("Illegal argument(s) in startRecognition");
}
}
int callingUid = UserHandle.getCallingUserId();
final long caller = Binder.clearCallingIdentity();
try {
KeyphraseSoundModel soundModel =
mDbHelper.getKeyphraseSoundModel(keyphraseId, callingUid, bcp47Locale);
if (soundModel == null
|| soundModel.uuid == null
|| soundModel.keyphrases == null) {
Slog.w(TAG, "No matching sound model found in startRecognition");
return SoundTriggerHelper.STATUS_ERROR;
} else {
return mSoundTriggerHelper.startRecognition(
keyphraseId, soundModel, callback, recognitionConfig);
}
} finally {
Binder.restoreCallingIdentity(caller);
}
}
@Override
public int stopRecognition(IVoiceInteractionService service, int keyphraseId,
IRecognitionStatusCallback callback) {
// Allow the call if this is the current voice interaction service.
synchronized (this) {
if (mImpl == null || mImpl.mService == null
|| service == null || service.asBinder() != mImpl.mService.asBinder()) {
throw new SecurityException(
"Caller is not the current voice interaction service");
}
}
final long caller = Binder.clearCallingIdentity();
try {
return mSoundTriggerHelper.stopRecognition(keyphraseId, callback);
} finally {
Binder.restoreCallingIdentity(caller);
}
}
@Override
public ComponentName getActiveServiceComponentName() {
enforceCallingPermission(Manifest.permission.ACCESS_VOICE_INTERACTION_SERVICE);
synchronized (this) {
return mImpl != null ? mImpl.mComponent : null;
}
}
@Override
public void showSessionForActiveService(IVoiceInteractionSessionShowCallback showCallback) {
enforceCallingPermission(Manifest.permission.ACCESS_VOICE_INTERACTION_SERVICE);
synchronized (this) {
if (mImpl == null) {
Slog.w(TAG, "showSessionForActiveService without running voice interaction"
+ "service");
return;
}
final long caller = Binder.clearCallingIdentity();
try {
mImpl.showSessionLocked(new Bundle() /* sessionArgs */,
VoiceInteractionService.START_SOURCE_ASSIST_GESTURE
| VoiceInteractionService.START_WITH_ASSIST
| VoiceInteractionService.START_WITH_SCREENSHOT,
showCallback);
} finally {
Binder.restoreCallingIdentity(caller);
}
}
}
@Override
public boolean isSessionRunning() {
enforceCallingPermission(Manifest.permission.ACCESS_VOICE_INTERACTION_SERVICE);
synchronized (this) {
return mImpl != null && mImpl.mActiveSession != null;
}
}
@Override
public boolean activeServiceSupportsAssistGesture() {
enforceCallingPermission(Manifest.permission.ACCESS_VOICE_INTERACTION_SERVICE);
synchronized (this) {
return mImpl != null && mImpl.mInfo.getSupportsAssistGesture();
}
}
@Override
public void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
if (mContext.checkCallingOrSelfPermission(Manifest.permission.DUMP)
!= PackageManager.PERMISSION_GRANTED) {
pw.println("Permission Denial: can't dump PowerManager from from pid="
+ Binder.getCallingPid()
+ ", uid=" + Binder.getCallingUid());
return;
}
synchronized (this) {
pw.println("VOICE INTERACTION MANAGER (dumpsys voiceinteraction)\n");
if (mImpl == null) {
pw.println(" (No active implementation)");
return;
}
mImpl.dumpLocked(fd, pw, args);
}
mSoundTriggerHelper.dump(fd, pw, args);
}
private void enforceCallingPermission(String permission) {
if (mContext.checkCallingPermission(permission) != PackageManager.PERMISSION_GRANTED) {
throw new SecurityException("Caller does not hold the permission " + permission);
}
}
class SettingsObserver extends ContentObserver {
SettingsObserver(Handler handler) {
super(handler);
ContentResolver resolver = mContext.getContentResolver();
resolver.registerContentObserver(Settings.Secure.getUriFor(
Settings.Secure.VOICE_INTERACTION_SERVICE), false, this);
}
@Override public void onChange(boolean selfChange) {
synchronized (VoiceInteractionManagerServiceStub.this) {
switchImplementationIfNeededLocked(false);
}
}
}
PackageMonitor mPackageMonitor = new PackageMonitor() {
@Override
public boolean onHandleForceStop(Intent intent, String[] packages, int uid, boolean doit) {
return super.onHandleForceStop(intent, packages, uid, doit);
}
@Override
public void onHandleUserStop(Intent intent, int userHandle) {
}
@Override
public void onSomePackagesChanged() {
int userHandle = getChangingUserId();
if (DEBUG) Slog.d(TAG, "onSomePackagesChanged user=" + userHandle);
ComponentName curInteractor = getCurInteractor(userHandle);
ComponentName curRecognizer = getCurRecognizer(userHandle);
if (curRecognizer == null) {
// Could a new recognizer appear when we don't have one pre-installed?
if (anyPackagesAppearing()) {
curRecognizer = findAvailRecognizer(null, userHandle);
if (curRecognizer != null) {
setCurRecognizer(curRecognizer, userHandle);
}
}
return;
}
if (curInteractor != null) {
int change = isPackageDisappearing(curInteractor.getPackageName());
if (change == PACKAGE_PERMANENT_CHANGE) {
// The currently set interactor is permanently gone; fall back to
// the default config.
setCurInteractor(null, userHandle);
setCurRecognizer(null, userHandle);
initForUser(userHandle);
return;
}
change = isPackageAppearing(curInteractor.getPackageName());
if (change != PACKAGE_UNCHANGED) {
// If current interactor is now appearing, for any reason, then
// restart our connection with it.
if (mImpl != null && curInteractor.getPackageName().equals(
mImpl.mComponent.getPackageName())) {
switchImplementationIfNeededLocked(true);
}
}
return;
}
// There is no interactor, so just deal with a simple recognizer.
int change = isPackageDisappearing(curRecognizer.getPackageName());
if (change == PACKAGE_PERMANENT_CHANGE
|| change == PACKAGE_TEMPORARY_CHANGE) {
setCurRecognizer(findAvailRecognizer(null, userHandle), userHandle);
} else if (isPackageModified(curRecognizer.getPackageName())) {
setCurRecognizer(findAvailRecognizer(curRecognizer.getPackageName(),
userHandle), userHandle);
}
}
};
}
}
|