/* * Copyright (C) 2008 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.keyguard; import static android.content.Intent.ACTION_USER_UNLOCKED; import static android.os.BatteryManager.BATTERY_HEALTH_UNKNOWN; import static android.os.BatteryManager.BATTERY_STATUS_FULL; import static android.os.BatteryManager.BATTERY_STATUS_UNKNOWN; import static android.os.BatteryManager.EXTRA_HEALTH; import static android.os.BatteryManager.EXTRA_LEVEL; import static android.os.BatteryManager.EXTRA_MAX_CHARGING_CURRENT; import static android.os.BatteryManager.EXTRA_MAX_CHARGING_VOLTAGE; import static android.os.BatteryManager.EXTRA_PLUGGED; import static android.os.BatteryManager.EXTRA_STATUS; import android.app.ActivityManager; import android.app.ActivityManagerNative; import android.app.AlarmManager; import android.app.IUserSwitchObserver; import android.app.PendingIntent; import android.app.admin.DevicePolicyManager; import android.app.trust.TrustManager; import android.content.BroadcastReceiver; import android.content.ComponentName; import android.content.Context; import android.content.Intent; import android.content.IntentFilter; import android.content.pm.PackageManager; import android.content.pm.ResolveInfo; import android.database.ContentObserver; import android.graphics.Bitmap; import android.hardware.fingerprint.FingerprintManager; import android.hardware.fingerprint.FingerprintManager.AuthenticationCallback; import android.hardware.fingerprint.FingerprintManager.AuthenticationResult; import android.media.AudioManager; import android.os.BatteryManager; import android.os.CancellationSignal; import android.os.Handler; import android.os.IRemoteCallback; import android.os.Message; import android.os.RemoteException; import android.os.SystemClock; import android.os.Trace; import android.os.UserHandle; import android.os.UserManager; import android.provider.Settings; import android.telephony.ServiceState; import android.telephony.SubscriptionInfo; import android.telephony.SubscriptionManager; import android.telephony.SubscriptionManager.OnSubscriptionsChangedListener; import android.telephony.TelephonyManager; import android.util.ArraySet; import android.util.Log; import android.util.SparseBooleanArray; import android.util.SparseIntArray; import com.google.android.collect.Lists; import com.android.internal.telephony.IccCardConstants; import com.android.internal.telephony.IccCardConstants.State; import com.android.internal.telephony.PhoneConstants; import com.android.internal.telephony.TelephonyIntents; import com.android.internal.widget.LockPatternUtils; import java.io.FileDescriptor; import java.io.PrintWriter; import java.lang.ref.WeakReference; import java.util.ArrayList; import java.util.HashMap; import java.util.List; import java.util.Map.Entry; /** * Watches for updates that may be interesting to the keyguard, and provides * the up to date information as well as a registration for callbacks that care * to be updated. * * Note: under time crunch, this has been extended to include some stuff that * doesn't really belong here. see {@link #handleBatteryUpdate} where it shutdowns * the device, and {@link #getFailedUnlockAttempts()}, {@link #reportFailedAttempt()} * and {@link #clearFailedUnlockAttempts()}. Maybe we should rename this 'KeyguardContext'... */ public class KeyguardUpdateMonitor implements TrustManager.TrustListener { private static final String TAG = "KeyguardUpdateMonitor"; private static final boolean DEBUG = KeyguardConstants.DEBUG; private static final boolean DEBUG_SIM_STATES = KeyguardConstants.DEBUG_SIM_STATES; private static final int LOW_BATTERY_THRESHOLD = 20; private static final String ACTION_FACE_UNLOCK_STARTED = "com.android.facelock.FACE_UNLOCK_STARTED"; private static final String ACTION_FACE_UNLOCK_STOPPED = "com.android.facelock.FACE_UNLOCK_STOPPED"; private static final String ACTION_STRONG_AUTH_TIMEOUT = "com.android.systemui.ACTION_STRONG_AUTH_TIMEOUT"; private static final String USER_ID = "com.android.systemui.USER_ID"; private static final String PERMISSION_SELF = "com.android.systemui.permission.SELF"; // Callback messages private static final int MSG_TIME_UPDATE = 301; private static final int MSG_BATTERY_UPDATE = 302; private static final int MSG_SIM_STATE_CHANGE = 304; private static final int MSG_RINGER_MODE_CHANGED = 305; private static final int MSG_PHONE_STATE_CHANGED = 306; private static final int MSG_DEVICE_PROVISIONED = 308; private static final int MSG_DPM_STATE_CHANGED = 309; private static final int MSG_USER_SWITCHING = 310; private static final int MSG_KEYGUARD_RESET = 312; private static final int MSG_BOOT_COMPLETED = 313; private static final int MSG_USER_SWITCH_COMPLETE = 314; private static final int MSG_USER_INFO_CHANGED = 317; private static final int MSG_REPORT_EMERGENCY_CALL_ACTION = 318; private static final int MSG_STARTED_WAKING_UP = 319; private static final int MSG_FINISHED_GOING_TO_SLEEP = 320; private static final int MSG_STARTED_GOING_TO_SLEEP = 321; private static final int MSG_KEYGUARD_BOUNCER_CHANGED = 322; private static final int MSG_FACE_UNLOCK_STATE_CHANGED = 327; private static final int MSG_SIM_SUBSCRIPTION_INFO_CHANGED = 328; private static final int MSG_AIRPLANE_MODE_CHANGED = 329; private static final int MSG_SERVICE_STATE_CHANGE = 330; private static final int MSG_SCREEN_TURNED_ON = 331; private static final int MSG_SCREEN_TURNED_OFF = 332; private static final int MSG_DREAMING_STATE_CHANGED = 333; private static final int MSG_USER_UNLOCKED = 334; /** Fingerprint state: Not listening to fingerprint. */ private static final int FINGERPRINT_STATE_STOPPED = 0; /** Fingerprint state: Listening. */ private static final int FINGERPRINT_STATE_RUNNING = 1; /** * Fingerprint state: Cancelling and waiting for the confirmation from FingerprintService to * send us the confirmation that cancellation has happened. */ private static final int FINGERPRINT_STATE_CANCELLING = 2; /** * Fingerprint state: During cancelling we got another request to start listening, so when we * receive the cancellation done signal, we should start listening again. */ private static final int FINGERPRINT_STATE_CANCELLING_RESTARTING = 3; private static final int DEFAULT_CHARGING_VOLTAGE_MICRO_VOLT = 5000000; private static final ComponentName FALLBACK_HOME_COMPONENT = new ComponentName( "com.android.settings", "com.android.settings.FallbackHome"); private static KeyguardUpdateMonitor sInstance; private final Context mContext; HashMap mSimDatas = new HashMap(); HashMap mServiceStates = new HashMap(); private int mRingMode; private int mPhoneState; private boolean mKeyguardIsVisible; /** * If true, fingerprint was already authenticated and we don't need to start listening again * until the Keyguard has been dismissed. */ private boolean mFingerprintAlreadyAuthenticated; private boolean mGoingToSleep; private boolean mBouncer; private boolean mBootCompleted; private boolean mNeedsSlowUnlockTransition; private boolean mHasLockscreenWallpaper; // Device provisioning state private boolean mDeviceProvisioned; // Battery status private BatteryStatus mBatteryStatus; // Password attempts private SparseIntArray mFailedAttempts = new SparseIntArray(); /** Tracks whether strong authentication hasn't been used since quite some time per user. */ private ArraySet mStrongAuthNotTimedOut = new ArraySet<>(); private final StrongAuthTracker mStrongAuthTracker; private final ArrayList> mCallbacks = Lists.newArrayList(); private ContentObserver mDeviceProvisionedObserver; private boolean mSwitchingUser; private boolean mDeviceInteractive; private boolean mScreenOn; private SubscriptionManager mSubscriptionManager; private AlarmManager mAlarmManager; private List mSubscriptionInfo; private TrustManager mTrustManager; private UserManager mUserManager; private int mFingerprintRunningState = FINGERPRINT_STATE_STOPPED; private final Handler mHandler = new Handler() { @Override public void handleMessage(Message msg) { switch (msg.what) { case MSG_TIME_UPDATE: handleTimeUpdate(); break; case MSG_BATTERY_UPDATE: handleBatteryUpdate((BatteryStatus) msg.obj); break; case MSG_SIM_STATE_CHANGE: handleSimStateChange(msg.arg1, msg.arg2, (State) msg.obj); break; case MSG_RINGER_MODE_CHANGED: handleRingerModeChange(msg.arg1); break; case MSG_PHONE_STATE_CHANGED: handlePhoneStateChanged((String) msg.obj); break; case MSG_DEVICE_PROVISIONED: handleDeviceProvisioned(); break; case MSG_DPM_STATE_CHANGED: handleDevicePolicyManagerStateChanged(); break; case MSG_USER_SWITCHING: handleUserSwitching(msg.arg1, (IRemoteCallback) msg.obj); break; case MSG_USER_SWITCH_COMPLETE: handleUserSwitchComplete(msg.arg1); break; case MSG_KEYGUARD_RESET: handleKeyguardReset(); break; case MSG_KEYGUARD_BOUNCER_CHANGED: handleKeyguardBouncerChanged(msg.arg1); break; case MSG_BOOT_COMPLETED: handleBootCompleted(); break; case MSG_USER_INFO_CHANGED: handleUserInfoChanged(msg.arg1); break; case MSG_REPORT_EMERGENCY_CALL_ACTION: handleReportEmergencyCallAction(); break; case MSG_STARTED_GOING_TO_SLEEP: handleStartedGoingToSleep(msg.arg1); break; case MSG_FINISHED_GOING_TO_SLEEP: handleFinishedGoingToSleep(msg.arg1); break; case MSG_STARTED_WAKING_UP: Trace.beginSection("KeyguardUpdateMonitor#handler MSG_STARTED_WAKING_UP"); handleStartedWakingUp(); Trace.endSection(); break; case MSG_FACE_UNLOCK_STATE_CHANGED: Trace.beginSection("KeyguardUpdateMonitor#handler MSG_FACE_UNLOCK_STATE_CHANGED"); handleFaceUnlockStateChanged(msg.arg1 != 0, msg.arg2); Trace.endSection(); break; case MSG_SIM_SUBSCRIPTION_INFO_CHANGED: handleSimSubscriptionInfoChanged(); break; case MSG_AIRPLANE_MODE_CHANGED: handleAirplaneModeChanged(); break; case MSG_SERVICE_STATE_CHANGE: handleServiceStateChange(msg.arg1, (ServiceState) msg.obj); break; case MSG_SCREEN_TURNED_ON: handleScreenTurnedOn(); break; case MSG_SCREEN_TURNED_OFF: Trace.beginSection("KeyguardUpdateMonitor#handler MSG_SCREEN_TURNED_ON"); handleScreenTurnedOff(); Trace.endSection(); break; case MSG_DREAMING_STATE_CHANGED: handleDreamingStateChanged(msg.arg1); break; case MSG_USER_UNLOCKED: handleUserUnlocked(); break; } } }; private OnSubscriptionsChangedListener mSubscriptionListener = new OnSubscriptionsChangedListener() { @Override public void onSubscriptionsChanged() { mHandler.sendEmptyMessage(MSG_SIM_SUBSCRIPTION_INFO_CHANGED); } }; private SparseBooleanArray mUserHasTrust = new SparseBooleanArray(); private SparseBooleanArray mUserTrustIsManaged = new SparseBooleanArray(); private SparseBooleanArray mUserFingerprintAuthenticated = new SparseBooleanArray(); private SparseBooleanArray mUserFaceUnlockRunning = new SparseBooleanArray(); private static int sCurrentUser; public synchronized static void setCurrentUser(int currentUser) { sCurrentUser = currentUser; } public synchronized static int getCurrentUser() { return sCurrentUser; } @Override public void onTrustChanged(boolean enabled, int userId, int flags) { mUserHasTrust.put(userId, enabled); for (int i = 0; i < mCallbacks.size(); i++) { KeyguardUpdateMonitorCallback cb = mCallbacks.get(i).get(); if (cb != null) { cb.onTrustChanged(userId); if (enabled && flags != 0) { cb.onTrustGrantedWithFlags(flags, userId); } } } } protected void handleSimSubscriptionInfoChanged() { if (DEBUG_SIM_STATES) { Log.v(TAG, "onSubscriptionInfoChanged()"); List sil = mSubscriptionManager.getActiveSubscriptionInfoList(); if (sil != null) { for (SubscriptionInfo subInfo : sil) { Log.v(TAG, "SubInfo:" + subInfo); } } else { Log.v(TAG, "onSubscriptionInfoChanged: list is null"); } } List subscriptionInfos = getSubscriptionInfo(true /* forceReload */); // Hack level over 9000: Because the subscription id is not yet valid when we see the // first update in handleSimStateChange, we need to force refresh all all SIM states // so the subscription id for them is consistent. ArrayList changedSubscriptions = new ArrayList<>(); for (int i = 0; i < subscriptionInfos.size(); i++) { SubscriptionInfo info = subscriptionInfos.get(i); boolean changed = refreshSimState(info.getSubscriptionId(), info.getSimSlotIndex()); if (changed) { changedSubscriptions.add(info); } } for (int i = 0; i < changedSubscriptions.size(); i++) { SimData data = mSimDatas.get(changedSubscriptions.get(i).getSubscriptionId()); for (int j = 0; j < mCallbacks.size(); j++) { KeyguardUpdateMonitorCallback cb = mCallbacks.get(j).get(); if (cb != null) { cb.onSimStateChanged(data.subId, data.slotId, data.simState); } } } for (int j = 0; j < mCallbacks.size(); j++) { KeyguardUpdateMonitorCallback cb = mCallbacks.get(j).get(); if (cb != null) { cb.onRefreshCarrierInfo(); } } } private void handleAirplaneModeChanged() { for (int j = 0; j < mCallbacks.size(); j++) { KeyguardUpdateMonitorCallback cb = mCallbacks.get(j).get(); if (cb != null) { cb.onRefreshCarrierInfo(); } } } /** @return List of SubscriptionInfo records, maybe empty but never null */ public List getSubscriptionInfo(boolean forceReload) { List sil = mSubscriptionInfo; if (sil == null || forceReload) { sil = mSubscriptionManager.getActiveSubscriptionInfoList(); } if (sil == null) { // getActiveSubscriptionInfoList was null callers expect an empty list. mSubscriptionInfo = new ArrayList(); } else { mSubscriptionInfo = sil; } return mSubscriptionInfo; } @Override public void onTrustManagedChanged(boolean managed, int userId) { mUserTrustIsManaged.put(userId, managed); for (int i = 0; i < mCallbacks.size(); i++) { KeyguardUpdateMonitorCallback cb = mCallbacks.get(i).get(); if (cb != null) { cb.onTrustManagedChanged(userId); } } } private void onFingerprintAuthenticated(int userId) { Trace.beginSection("KeyGuardUpdateMonitor#onFingerPrintAuthenticated"); mUserFingerprintAuthenticated.put(userId, true); // If fingerprint unlocking is allowed, this event will lead to a Keyguard dismiss or to a // wake-up (if Keyguard is not showing), so we don't need to listen until Keyguard is // fully gone. mFingerprintAlreadyAuthenticated = isUnlockingWithFingerprintAllowed(); for (int i = 0; i < mCallbacks.size(); i++) { KeyguardUpdateMonitorCallback cb = mCallbacks.get(i).get(); if (cb != null) { cb.onFingerprintAuthenticated(userId); } } Trace.endSection(); } private void handleFingerprintAuthFailed() { for (int i = 0; i < mCallbacks.size(); i++) { KeyguardUpdateMonitorCallback cb = mCallbacks.get(i).get(); if (cb != null) { cb.onFingerprintAuthFailed(); } } handleFingerprintHelp(-1, mContext.getString(R.string.fingerprint_not_recognized)); } private void handleFingerprintAcquired(int acquireInfo) { if (acquireInfo != FingerprintManager.FINGERPRINT_ACQUIRED_GOOD) { return; } for (int i = 0; i < mCallbacks.size(); i++) { KeyguardUpdateMonitorCallback cb = mCallbacks.get(i).get(); if (cb != null) { cb.onFingerprintAcquired(); } } } private void handleFingerprintAuthenticated(int authUserId) { Trace.beginSection("KeyGuardUpdateMonitor#handlerFingerPrintAuthenticated"); try { final int userId; try { userId = ActivityManagerNative.getDefault().getCurrentUser().id; } catch (RemoteException e) { Log.e(TAG, "Failed to get current user id: ", e); return; } if (userId != authUserId) { Log.d(TAG, "Fingerprint authenticated for wrong user: " + authUserId); return; } if (isFingerprintDisabled(userId)) { Log.d(TAG, "Fingerprint disabled by DPM for userId: " + userId); return; } onFingerprintAuthenticated(userId); } finally { setFingerprintRunningState(FINGERPRINT_STATE_STOPPED); } Trace.endSection(); } private void handleFingerprintHelp(int msgId, String helpString) { for (int i = 0; i < mCallbacks.size(); i++) { KeyguardUpdateMonitorCallback cb = mCallbacks.get(i).get(); if (cb != null) { cb.onFingerprintHelp(msgId, helpString); } } } private void handleFingerprintError(int msgId, String errString) { if (msgId == FingerprintManager.FINGERPRINT_ERROR_CANCELED && mFingerprintRunningState == FINGERPRINT_STATE_CANCELLING_RESTARTING) { setFingerprintRunningState(FINGERPRINT_STATE_STOPPED); startListeningForFingerprint(); } else { setFingerprintRunningState(FINGERPRINT_STATE_STOPPED); } for (int i = 0; i < mCallbacks.size(); i++) { KeyguardUpdateMonitorCallback cb = mCallbacks.get(i).get(); if (cb != null) { cb.onFingerprintError(msgId, errString); } } } private void handleFingerprintLockoutReset() { updateFingerprintListeningState(); } private void setFingerprintRunningState(int fingerprintRunningState) { boolean wasRunning = mFingerprintRunningState == FINGERPRINT_STATE_RUNNING; boolean isRunning = fingerprintRunningState == FINGERPRINT_STATE_RUNNING; mFingerprintRunningState = fingerprintRunningState; // Clients of KeyguardUpdateMonitor don't care about the internal state about the // asynchronousness of the cancel cycle. So only notify them if the actualy running state // has changed. if (wasRunning != isRunning) { notifyFingerprintRunningStateChanged(); } } private void notifyFingerprintRunningStateChanged() { for (int i = 0; i < mCallbacks.size(); i++) { KeyguardUpdateMonitorCallback cb = mCallbacks.get(i).get(); if (cb != null) { cb.onFingerprintRunningStateChanged(isFingerprintDetectionRunning()); } } } private void handleFaceUnlockStateChanged(boolean running, int userId) { mUserFaceUnlockRunning.put(userId, running); for (int i = 0; i < mCallbacks.size(); i++) { KeyguardUpdateMonitorCallback cb = mCallbacks.get(i).get(); if (cb != null) { cb.onFaceUnlockStateChanged(running, userId); } } } public boolean isFaceUnlockRunning(int userId) { return mUserFaceUnlockRunning.get(userId); } public boolean isFingerprintDetectionRunning() { return mFingerprintRunningState == FINGERPRINT_STATE_RUNNING; } private boolean isTrustDisabled(int userId) { // Don't allow trust agent if device is secured with a SIM PIN. This is here // mainly because there's no other way to prompt the user to enter their SIM PIN // once they get past the keyguard screen. final boolean disabledBySimPin = isSimPinSecure(); return disabledBySimPin; } private boolean isFingerprintDisabled(int userId) { final DevicePolicyManager dpm = (DevicePolicyManager) mContext.getSystemService(Context.DEVICE_POLICY_SERVICE); return dpm != null && (dpm.getKeyguardDisabledFeatures(null, userId) & DevicePolicyManager.KEYGUARD_DISABLE_FINGERPRINT) != 0 || isSimPinSecure(); } public boolean getUserCanSkipBouncer(int userId) { return getUserHasTrust(userId) || (mUserFingerprintAuthenticated.get(userId) && isUnlockingWithFingerprintAllowed()); } public boolean getUserHasTrust(int userId) { return !isTrustDisabled(userId) && mUserHasTrust.get(userId); } public boolean getUserTrustIsManaged(int userId) { return mUserTrustIsManaged.get(userId) && !isTrustDisabled(userId); } public boolean isUnlockingWithFingerprintAllowed() { return mStrongAuthTracker.isUnlockingWithFingerprintAllowed() && !hasFingerprintUnlockTimedOut(sCurrentUser); } public boolean needsSlowUnlockTransition() { return mNeedsSlowUnlockTransition; } public StrongAuthTracker getStrongAuthTracker() { return mStrongAuthTracker; } /** * @return true if the user hasn't use strong authentication (pattern, PIN, password) since a * while and thus can't unlock with fingerprint, false otherwise */ public boolean hasFingerprintUnlockTimedOut(int userId) { return !mStrongAuthNotTimedOut.contains(userId); } public void reportSuccessfulStrongAuthUnlockAttempt() { mStrongAuthNotTimedOut.add(sCurrentUser); scheduleStrongAuthTimeout(); if (mFpm != null) { byte[] token = null; /* TODO: pass real auth token once fp HAL supports it */ mFpm.resetTimeout(token); } } private void scheduleStrongAuthTimeout() { final DevicePolicyManager dpm = (DevicePolicyManager) mContext.getSystemService(Context.DEVICE_POLICY_SERVICE); long when = SystemClock.elapsedRealtime() + dpm.getRequiredStrongAuthTimeout(null, sCurrentUser); Intent intent = new Intent(ACTION_STRONG_AUTH_TIMEOUT); intent.putExtra(USER_ID, sCurrentUser); PendingIntent sender = PendingIntent.getBroadcast(mContext, sCurrentUser, intent, PendingIntent.FLAG_CANCEL_CURRENT); mAlarmManager.set(AlarmManager.ELAPSED_REALTIME, when, sender); notifyStrongAuthStateChanged(sCurrentUser); } private void notifyStrongAuthStateChanged(int userId) { for (int i = 0; i < mCallbacks.size(); i++) { KeyguardUpdateMonitorCallback cb = mCallbacks.get(i).get(); if (cb != null) { cb.onStrongAuthStateChanged(userId); } } } static class DisplayClientState { public int clientGeneration; public boolean clearing; public PendingIntent intent; public int playbackState; public long playbackEventTime; } private DisplayClientState mDisplayClientState = new DisplayClientState(); private final BroadcastReceiver mBroadcastReceiver = new BroadcastReceiver() { @Override public void onReceive(Context context, Intent intent) { final String action = intent.getAction(); if (DEBUG) Log.d(TAG, "received broadcast " + action); if (Intent.ACTION_TIME_TICK.equals(action) || Intent.ACTION_TIME_CHANGED.equals(action) || Intent.ACTION_TIMEZONE_CHANGED.equals(action)) { mHandler.sendEmptyMessage(MSG_TIME_UPDATE); } else if (Intent.ACTION_BATTERY_CHANGED.equals(action)) { final int status = intent.getIntExtra(EXTRA_STATUS, BATTERY_STATUS_UNKNOWN); final int plugged = intent.getIntExtra(EXTRA_PLUGGED, 0); final int level = intent.getIntExtra(EXTRA_LEVEL, 0); final int health = intent.getIntExtra(EXTRA_HEALTH, BATTERY_HEALTH_UNKNOWN); final int maxChargingMicroAmp = intent.getIntExtra(EXTRA_MAX_CHARGING_CURRENT, -1); int maxChargingMicroVolt = intent.getIntExtra(EXTRA_MAX_CHARGING_VOLTAGE, -1); final int maxChargingMicroWatt; if (maxChargingMicroVolt <= 0) { maxChargingMicroVolt = DEFAULT_CHARGING_VOLTAGE_MICRO_VOLT; } if (maxChargingMicroAmp > 0) { // Calculating muW = muA * muV / (10^6 mu^2 / mu); splitting up the divisor // to maintain precision equally on both factors. maxChargingMicroWatt = (maxChargingMicroAmp / 1000) * (maxChargingMicroVolt / 1000); } else { maxChargingMicroWatt = -1; } final Message msg = mHandler.obtainMessage( MSG_BATTERY_UPDATE, new BatteryStatus(status, level, plugged, health, maxChargingMicroWatt)); mHandler.sendMessage(msg); } else if (TelephonyIntents.ACTION_SIM_STATE_CHANGED.equals(action)) { SimData args = SimData.fromIntent(intent); if (DEBUG_SIM_STATES) { Log.v(TAG, "action " + action + " state: " + intent.getStringExtra(IccCardConstants.INTENT_KEY_ICC_STATE) + " slotId: " + args.slotId + " subid: " + args.subId); } mHandler.obtainMessage(MSG_SIM_STATE_CHANGE, args.subId, args.slotId, args.simState) .sendToTarget(); } else if (AudioManager.RINGER_MODE_CHANGED_ACTION.equals(action)) { mHandler.sendMessage(mHandler.obtainMessage(MSG_RINGER_MODE_CHANGED, intent.getIntExtra(AudioManager.EXTRA_RINGER_MODE, -1), 0)); } else if (TelephonyManager.ACTION_PHONE_STATE_CHANGED.equals(action)) { String state = intent.getStringExtra(TelephonyManager.EXTRA_STATE); mHandler.sendMessage(mHandler.obtainMessage(MSG_PHONE_STATE_CHANGED, state)); } else if (Intent.ACTION_AIRPLANE_MODE_CHANGED.equals(action)) { mHandler.sendEmptyMessage(MSG_AIRPLANE_MODE_CHANGED); } else if (Intent.ACTION_BOOT_COMPLETED.equals(action)) { dispatchBootCompleted(); } else if (TelephonyIntents.ACTION_SERVICE_STATE_CHANGED.equals(action)) { ServiceState serviceState = ServiceState.newFromBundle(intent.getExtras()); int subId = intent.getIntExtra(PhoneConstants.SUBSCRIPTION_KEY, SubscriptionManager.INVALID_SUBSCRIPTION_ID); if (DEBUG) { Log.v(TAG, "action " + action + " serviceState=" + serviceState + " subId=" + subId); } mHandler.sendMessage( mHandler.obtainMessage(MSG_SERVICE_STATE_CHANGE, subId, 0, serviceState)); } } }; private final BroadcastReceiver mBroadcastAllReceiver = new BroadcastReceiver() { @Override public void onReceive(Context context, Intent intent) { final String action = intent.getAction(); if (AlarmManager.ACTION_NEXT_ALARM_CLOCK_CHANGED.equals(action)) { mHandler.sendEmptyMessage(MSG_TIME_UPDATE); } else if (Intent.ACTION_USER_INFO_CHANGED.equals(action)) { mHandler.sendMessage(mHandler.obtainMessage(MSG_USER_INFO_CHANGED, intent.getIntExtra(Intent.EXTRA_USER_HANDLE, getSendingUserId()), 0)); } else if (ACTION_FACE_UNLOCK_STARTED.equals(action)) { Trace.beginSection("KeyguardUpdateMonitor.mBroadcastAllReceiver#onReceive ACTION_FACE_UNLOCK_STARTED"); mHandler.sendMessage(mHandler.obtainMessage(MSG_FACE_UNLOCK_STATE_CHANGED, 1, getSendingUserId())); Trace.endSection(); } else if (ACTION_FACE_UNLOCK_STOPPED.equals(action)) { mHandler.sendMessage(mHandler.obtainMessage(MSG_FACE_UNLOCK_STATE_CHANGED, 0, getSendingUserId())); } else if (DevicePolicyManager.ACTION_DEVICE_POLICY_MANAGER_STATE_CHANGED .equals(action)) { mHandler.sendEmptyMessage(MSG_DPM_STATE_CHANGED); } else if (ACTION_USER_UNLOCKED.equals(action)) { mHandler.sendEmptyMessage(MSG_USER_UNLOCKED); } } }; private final BroadcastReceiver mStrongAuthTimeoutReceiver = new BroadcastReceiver() { @Override public void onReceive(Context context, Intent intent) { if (ACTION_STRONG_AUTH_TIMEOUT.equals(intent.getAction())) { int userId = intent.getIntExtra(USER_ID, -1); mStrongAuthNotTimedOut.remove(userId); notifyStrongAuthStateChanged(userId); } } }; private final FingerprintManager.LockoutResetCallback mLockoutResetCallback = new FingerprintManager.LockoutResetCallback() { @Override public void onLockoutReset() { handleFingerprintLockoutReset(); } }; private FingerprintManager.AuthenticationCallback mAuthenticationCallback = new AuthenticationCallback() { @Override public void onAuthenticationFailed() { handleFingerprintAuthFailed(); }; @Override public void onAuthenticationSucceeded(AuthenticationResult result) { Trace.beginSection("KeyguardUpdateMonitor#onAuthenticationSucceeded"); handleFingerprintAuthenticated(result.getUserId()); Trace.endSection(); } @Override public void onAuthenticationHelp(int helpMsgId, CharSequence helpString) { handleFingerprintHelp(helpMsgId, helpString.toString()); } @Override public void onAuthenticationError(int errMsgId, CharSequence errString) { handleFingerprintError(errMsgId, errString.toString()); } @Override public void onAuthenticationAcquired(int acquireInfo) { handleFingerprintAcquired(acquireInfo); } }; private CancellationSignal mFingerprintCancelSignal; private FingerprintManager mFpm; /** * When we receive a * {@link com.android.internal.telephony.TelephonyIntents#ACTION_SIM_STATE_CHANGED} broadcast, * and then pass a result via our handler to {@link KeyguardUpdateMonitor#handleSimStateChange}, * we need a single object to pass to the handler. This class helps decode * the intent and provide a {@link SimCard.State} result. */ private static class SimData { public State simState; public int slotId; public int subId; SimData(State state, int slot, int id) { simState = state; slotId = slot; subId = id; } static SimData fromIntent(Intent intent) { State state; if (!TelephonyIntents.ACTION_SIM_STATE_CHANGED.equals(intent.getAction())) { throw new IllegalArgumentException("only handles intent ACTION_SIM_STATE_CHANGED"); } String stateExtra = intent.getStringExtra(IccCardConstants.INTENT_KEY_ICC_STATE); int slotId = intent.getIntExtra(PhoneConstants.SLOT_KEY, 0); int subId = intent.getIntExtra(PhoneConstants.SUBSCRIPTION_KEY, SubscriptionManager.INVALID_SUBSCRIPTION_ID); if (IccCardConstants.INTENT_VALUE_ICC_ABSENT.equals(stateExtra)) { final String absentReason = intent .getStringExtra(IccCardConstants.INTENT_KEY_LOCKED_REASON); if (IccCardConstants.INTENT_VALUE_ABSENT_ON_PERM_DISABLED.equals( absentReason)) { state = IccCardConstants.State.PERM_DISABLED; } else { state = IccCardConstants.State.ABSENT; } } else if (IccCardConstants.INTENT_VALUE_ICC_READY.equals(stateExtra)) { state = IccCardConstants.State.READY; } else if (IccCardConstants.INTENT_VALUE_ICC_LOCKED.equals(stateExtra)) { final String lockedReason = intent .getStringExtra(IccCardConstants.INTENT_KEY_LOCKED_REASON); if (IccCardConstants.INTENT_VALUE_LOCKED_ON_PIN.equals(lockedReason)) { state = IccCardConstants.State.PIN_REQUIRED; } else if (IccCardConstants.INTENT_VALUE_LOCKED_ON_PUK.equals(lockedReason)) { state = IccCardConstants.State.PUK_REQUIRED; } else { state = IccCardConstants.State.UNKNOWN; } } else if (IccCardConstants.INTENT_VALUE_LOCKED_NETWORK.equals(stateExtra)) { state = IccCardConstants.State.NETWORK_LOCKED; } else if (IccCardConstants.INTENT_VALUE_ICC_LOADED.equals(stateExtra) || IccCardConstants.INTENT_VALUE_ICC_IMSI.equals(stateExtra)) { // This is required because telephony doesn't return to "READY" after // these state transitions. See bug 7197471. state = IccCardConstants.State.READY; } else { state = IccCardConstants.State.UNKNOWN; } return new SimData(state, slotId, subId); } @Override public String toString() { return "SimData{state=" + simState + ",slotId=" + slotId + ",subId=" + subId + "}"; } } public static class BatteryStatus { public static final int CHARGING_UNKNOWN = -1; public static final int CHARGING_SLOWLY = 0; public static final int CHARGING_REGULAR = 1; public static final int CHARGING_FAST = 2; public final int status; public final int level; public final int plugged; public final int health; public final int maxChargingWattage; public BatteryStatus(int status, int level, int plugged, int health, int maxChargingWattage) { this.status = status; this.level = level; this.plugged = plugged; this.health = health; this.maxChargingWattage = maxChargingWattage; } /** * Determine whether the device is plugged in (USB, power, or wireless). * @return true if the device is plugged in. */ public boolean isPluggedIn() { return plugged == BatteryManager.BATTERY_PLUGGED_AC || plugged == BatteryManager.BATTERY_PLUGGED_USB || plugged == BatteryManager.BATTERY_PLUGGED_WIRELESS; } /** * Whether or not the device is charged. Note that some devices never return 100% for * battery level, so this allows either battery level or status to determine if the * battery is charged. * @return true if the device is charged */ public boolean isCharged() { return status == BATTERY_STATUS_FULL || level >= 100; } /** * Whether battery is low and needs to be charged. * @return true if battery is low */ public boolean isBatteryLow() { return level < LOW_BATTERY_THRESHOLD; } public final int getChargingSpeed(int slowThreshold, int fastThreshold) { return maxChargingWattage <= 0 ? CHARGING_UNKNOWN : maxChargingWattage < slowThreshold ? CHARGING_SLOWLY : maxChargingWattage > fastThreshold ? CHARGING_FAST : CHARGING_REGULAR; } } public class StrongAuthTracker extends LockPatternUtils.StrongAuthTracker { public StrongAuthTracker(Context context) { super(context); } public boolean isUnlockingWithFingerprintAllowed() { int userId = getCurrentUser(); return isFingerprintAllowedForUser(userId); } public boolean hasUserAuthenticatedSinceBoot() { int userId = getCurrentUser(); return (getStrongAuthForUser(userId) & STRONG_AUTH_REQUIRED_AFTER_BOOT) == 0; } @Override public void onStrongAuthRequiredChanged(int userId) { notifyStrongAuthStateChanged(userId); } } public static KeyguardUpdateMonitor getInstance(Context context) { if (sInstance == null) { sInstance = new KeyguardUpdateMonitor(context); } return sInstance; } protected void handleStartedWakingUp() { Trace.beginSection("KeyguardUpdateMonitor#handleStartedWakingUp"); updateFingerprintListeningState(); final int count = mCallbacks.size(); for (int i = 0; i < count; i++) { KeyguardUpdateMonitorCallback cb = mCallbacks.get(i).get(); if (cb != null) { cb.onStartedWakingUp(); } } Trace.endSection(); } protected void handleStartedGoingToSleep(int arg1) { clearFingerprintRecognized(); final int count = mCallbacks.size(); for (int i = 0; i < count; i++) { KeyguardUpdateMonitorCallback cb = mCallbacks.get(i).get(); if (cb != null) { cb.onStartedGoingToSleep(arg1); } } mGoingToSleep = true; mFingerprintAlreadyAuthenticated = false; updateFingerprintListeningState(); } protected void handleFinishedGoingToSleep(int arg1) { mGoingToSleep = false; final int count = mCallbacks.size(); for (int i = 0; i < count; i++) { KeyguardUpdateMonitorCallback cb = mCallbacks.get(i).get(); if (cb != null) { cb.onFinishedGoingToSleep(arg1); } } updateFingerprintListeningState(); } private void handleScreenTurnedOn() { final int count = mCallbacks.size(); for (int i = 0; i < count; i++) { KeyguardUpdateMonitorCallback cb = mCallbacks.get(i).get(); if (cb != null) { cb.onScreenTurnedOn(); } } } private void handleScreenTurnedOff() { final int count = mCallbacks.size(); for (int i = 0; i < count; i++) { KeyguardUpdateMonitorCallback cb = mCallbacks.get(i).get(); if (cb != null) { cb.onScreenTurnedOff(); } } } private void handleDreamingStateChanged(int dreamStart) { final int count = mCallbacks.size(); boolean showingDream = dreamStart == 1; for (int i = 0; i < count; i++) { KeyguardUpdateMonitorCallback cb = mCallbacks.get(i).get(); if (cb != null) { cb.onDreamingStateChanged(showingDream); } } } /** * IMPORTANT: Must be called from UI thread. */ public void dispatchSetBackground(Bitmap bmp) { if (DEBUG) Log.d(TAG, "dispatchSetBackground"); final int count = mCallbacks.size(); for (int i = 0; i < count; i++) { KeyguardUpdateMonitorCallback cb = mCallbacks.get(i).get(); if (cb != null) { cb.onSetBackground(bmp); } } } private void handleUserInfoChanged(int userId) { for (int i = 0; i < mCallbacks.size(); i++) { KeyguardUpdateMonitorCallback cb = mCallbacks.get(i).get(); if (cb != null) { cb.onUserInfoChanged(userId); } } } private void handleUserUnlocked() { mNeedsSlowUnlockTransition = resolveNeedsSlowUnlockTransition(); for (int i = 0; i < mCallbacks.size(); i++) { KeyguardUpdateMonitorCallback cb = mCallbacks.get(i).get(); if (cb != null) { cb.onUserUnlocked(); } } } private KeyguardUpdateMonitor(Context context) { mContext = context; mSubscriptionManager = SubscriptionManager.from(context); mAlarmManager = context.getSystemService(AlarmManager.class); mDeviceProvisioned = isDeviceProvisionedInSettingsDb(); mStrongAuthTracker = new StrongAuthTracker(context); // Since device can't be un-provisioned, we only need to register a content observer // to update mDeviceProvisioned when we are... if (!mDeviceProvisioned) { watchForDeviceProvisioning(); } // Take a guess at initial SIM state, battery status and PLMN until we get an update mBatteryStatus = new BatteryStatus(BATTERY_STATUS_UNKNOWN, 100, 0, 0, 0); // Watch for interesting updates final IntentFilter filter = new IntentFilter(); filter.addAction(Intent.ACTION_TIME_TICK); filter.addAction(Intent.ACTION_TIME_CHANGED); filter.addAction(Intent.ACTION_BATTERY_CHANGED); filter.addAction(Intent.ACTION_TIMEZONE_CHANGED); filter.addAction(Intent.ACTION_AIRPLANE_MODE_CHANGED); filter.addAction(TelephonyIntents.ACTION_SIM_STATE_CHANGED); filter.addAction(TelephonyIntents.ACTION_SERVICE_STATE_CHANGED); filter.addAction(TelephonyManager.ACTION_PHONE_STATE_CHANGED); filter.addAction(AudioManager.RINGER_MODE_CHANGED_ACTION); context.registerReceiver(mBroadcastReceiver, filter); final IntentFilter bootCompleteFilter = new IntentFilter(); bootCompleteFilter.setPriority(IntentFilter.SYSTEM_HIGH_PRIORITY); bootCompleteFilter.addAction(Intent.ACTION_BOOT_COMPLETED); context.registerReceiver(mBroadcastReceiver, bootCompleteFilter); final IntentFilter allUserFilter = new IntentFilter(); allUserFilter.addAction(Intent.ACTION_USER_INFO_CHANGED); allUserFilter.addAction(AlarmManager.ACTION_NEXT_ALARM_CLOCK_CHANGED); allUserFilter.addAction(ACTION_FACE_UNLOCK_STARTED); allUserFilter.addAction(ACTION_FACE_UNLOCK_STOPPED); allUserFilter.addAction(DevicePolicyManager.ACTION_DEVICE_POLICY_MANAGER_STATE_CHANGED); allUserFilter.addAction(ACTION_USER_UNLOCKED); context.registerReceiverAsUser(mBroadcastAllReceiver, UserHandle.ALL, allUserFilter, null, null); mSubscriptionManager.addOnSubscriptionsChangedListener(mSubscriptionListener); try { ActivityManagerNative.getDefault().registerUserSwitchObserver( new IUserSwitchObserver.Stub() { @Override public void onUserSwitching(int newUserId, IRemoteCallback reply) { mHandler.sendMessage(mHandler.obtainMessage(MSG_USER_SWITCHING, newUserId, 0, reply)); } @Override public void onUserSwitchComplete(int newUserId) throws RemoteException { mHandler.sendMessage(mHandler.obtainMessage(MSG_USER_SWITCH_COMPLETE, newUserId, 0)); } @Override public void onForegroundProfileSwitch(int newProfileId) { // Ignore. } }, TAG); } catch (RemoteException e) { e.rethrowAsRuntimeException(); } IntentFilter strongAuthTimeoutFilter = new IntentFilter(); strongAuthTimeoutFilter.addAction(ACTION_STRONG_AUTH_TIMEOUT); context.registerReceiver(mStrongAuthTimeoutReceiver, strongAuthTimeoutFilter, PERMISSION_SELF, null /* handler */); mTrustManager = (TrustManager) context.getSystemService(Context.TRUST_SERVICE); mTrustManager.registerTrustListener(this); new LockPatternUtils(context).registerStrongAuthTracker(mStrongAuthTracker); mFpm = (FingerprintManager) context.getSystemService(Context.FINGERPRINT_SERVICE); updateFingerprintListeningState(); if (mFpm != null) { mFpm.addLockoutResetCallback(mLockoutResetCallback); } mUserManager = context.getSystemService(UserManager.class); } private void updateFingerprintListeningState() { boolean shouldListenForFingerprint = shouldListenForFingerprint(); if (mFingerprintRunningState == FINGERPRINT_STATE_RUNNING && !shouldListenForFingerprint) { stopListeningForFingerprint(); } else if (mFingerprintRunningState != FINGERPRINT_STATE_RUNNING && shouldListenForFingerprint) { startListeningForFingerprint(); } } private boolean shouldListenForFingerprint() { return (mKeyguardIsVisible || !mDeviceInteractive || mBouncer || mGoingToSleep) && !mSwitchingUser && !mFingerprintAlreadyAuthenticated && !isFingerprintDisabled(getCurrentUser()); } private void startListeningForFingerprint() { if (mFingerprintRunningState == FINGERPRINT_STATE_CANCELLING) { setFingerprintRunningState(FINGERPRINT_STATE_CANCELLING_RESTARTING); return; } if (DEBUG) Log.v(TAG, "startListeningForFingerprint()"); int userId = ActivityManager.getCurrentUser(); if (isUnlockWithFingerprintPossible(userId)) { if (mFingerprintCancelSignal != null) { mFingerprintCancelSignal.cancel(); } mFingerprintCancelSignal = new CancellationSignal(); mFpm.authenticate(null, mFingerprintCancelSignal, 0, mAuthenticationCallback, null, userId); setFingerprintRunningState(FINGERPRINT_STATE_RUNNING); } } public boolean isUnlockWithFingerprintPossible(int userId) { return mFpm != null && mFpm.isHardwareDetected() && !isFingerprintDisabled(userId) && mFpm.getEnrolledFingerprints(userId).size() > 0; } private void stopListeningForFingerprint() { if (DEBUG) Log.v(TAG, "stopListeningForFingerprint()"); if (mFingerprintRunningState == FINGERPRINT_STATE_RUNNING) { mFingerprintCancelSignal.cancel(); mFingerprintCancelSignal = null; setFingerprintRunningState(FINGERPRINT_STATE_CANCELLING); } if (mFingerprintRunningState == FINGERPRINT_STATE_CANCELLING_RESTARTING) { setFingerprintRunningState(FINGERPRINT_STATE_CANCELLING); } } private boolean isDeviceProvisionedInSettingsDb() { return Settings.Global.getInt(mContext.getContentResolver(), Settings.Global.DEVICE_PROVISIONED, 0) != 0; } private void watchForDeviceProvisioning() { mDeviceProvisionedObserver = new ContentObserver(mHandler) { @Override public void onChange(boolean selfChange) { super.onChange(selfChange); mDeviceProvisioned = isDeviceProvisionedInSettingsDb(); if (mDeviceProvisioned) { mHandler.sendEmptyMessage(MSG_DEVICE_PROVISIONED); } if (DEBUG) Log.d(TAG, "DEVICE_PROVISIONED state = " + mDeviceProvisioned); } }; mContext.getContentResolver().registerContentObserver( Settings.Global.getUriFor(Settings.Global.DEVICE_PROVISIONED), false, mDeviceProvisionedObserver); // prevent a race condition between where we check the flag and where we register the // observer by grabbing the value once again... boolean provisioned = isDeviceProvisionedInSettingsDb(); if (provisioned != mDeviceProvisioned) { mDeviceProvisioned = provisioned; if (mDeviceProvisioned) { mHandler.sendEmptyMessage(MSG_DEVICE_PROVISIONED); } } } /** * Update the state whether Keyguard currently has a lockscreen wallpaper. * * @param hasLockscreenWallpaper Whether Keyguard has a lockscreen wallpaper. */ public void setHasLockscreenWallpaper(boolean hasLockscreenWallpaper) { if (hasLockscreenWallpaper != mHasLockscreenWallpaper) { mHasLockscreenWallpaper = hasLockscreenWallpaper; for (int i = mCallbacks.size() - 1; i >= 0; i--) { KeyguardUpdateMonitorCallback cb = mCallbacks.get(i).get(); if (cb != null) { cb.onHasLockscreenWallpaperChanged(hasLockscreenWallpaper); } } } } /** * @return Whether Keyguard has a lockscreen wallpaper. */ public boolean hasLockscreenWallpaper() { return mHasLockscreenWallpaper; } /** * Handle {@link #MSG_DPM_STATE_CHANGED} */ protected void handleDevicePolicyManagerStateChanged() { updateFingerprintListeningState(); for (int i = mCallbacks.size() - 1; i >= 0; i--) { KeyguardUpdateMonitorCallback cb = mCallbacks.get(i).get(); if (cb != null) { cb.onDevicePolicyManagerStateChanged(); } } } /** * Handle {@link #MSG_USER_SWITCHING} */ protected void handleUserSwitching(int userId, IRemoteCallback reply) { mSwitchingUser = true; updateFingerprintListeningState(); for (int i = 0; i < mCallbacks.size(); i++) { KeyguardUpdateMonitorCallback cb = mCallbacks.get(i).get(); if (cb != null) { cb.onUserSwitching(userId); } } try { reply.sendResult(null); } catch (RemoteException e) { } } /** * Handle {@link #MSG_USER_SWITCH_COMPLETE} */ protected void handleUserSwitchComplete(int userId) { mSwitchingUser = false; updateFingerprintListeningState(); for (int i = 0; i < mCallbacks.size(); i++) { KeyguardUpdateMonitorCallback cb = mCallbacks.get(i).get(); if (cb != null) { cb.onUserSwitchComplete(userId); } } } /** * This is exposed since {@link Intent#ACTION_BOOT_COMPLETED} is not sticky. If * keyguard crashes sometime after boot, then it will never receive this * broadcast and hence not handle the event. This method is ultimately called by * PhoneWindowManager in this case. */ public void dispatchBootCompleted() { mHandler.sendEmptyMessage(MSG_BOOT_COMPLETED); } /** * Handle {@link #MSG_BOOT_COMPLETED} */ protected void handleBootCompleted() { if (mBootCompleted) return; mBootCompleted = true; for (int i = 0; i < mCallbacks.size(); i++) { KeyguardUpdateMonitorCallback cb = mCallbacks.get(i).get(); if (cb != null) { cb.onBootCompleted(); } } } /** * We need to store this state in the KeyguardUpdateMonitor since this class will not be * destroyed. */ public boolean hasBootCompleted() { return mBootCompleted; } /** * Handle {@link #MSG_DEVICE_PROVISIONED} */ protected void handleDeviceProvisioned() { for (int i = 0; i < mCallbacks.size(); i++) { KeyguardUpdateMonitorCallback cb = mCallbacks.get(i).get(); if (cb != null) { cb.onDeviceProvisioned(); } } if (mDeviceProvisionedObserver != null) { // We don't need the observer anymore... mContext.getContentResolver().unregisterContentObserver(mDeviceProvisionedObserver); mDeviceProvisionedObserver = null; } } /** * Handle {@link #MSG_PHONE_STATE_CHANGED} */ protected void handlePhoneStateChanged(String newState) { if (DEBUG) Log.d(TAG, "handlePhoneStateChanged(" + newState + ")"); if (TelephonyManager.EXTRA_STATE_IDLE.equals(newState)) { mPhoneState = TelephonyManager.CALL_STATE_IDLE; } else if (TelephonyManager.EXTRA_STATE_OFFHOOK.equals(newState)) { mPhoneState = TelephonyManager.CALL_STATE_OFFHOOK; } else if (TelephonyManager.EXTRA_STATE_RINGING.equals(newState)) { mPhoneState = TelephonyManager.CALL_STATE_RINGING; } for (int i = 0; i < mCallbacks.size(); i++) { KeyguardUpdateMonitorCallback cb = mCallbacks.get(i).get(); if (cb != null) { cb.onPhoneStateChanged(mPhoneState); } } } /** * Handle {@link #MSG_RINGER_MODE_CHANGED} */ protected void handleRingerModeChange(int mode) { if (DEBUG) Log.d(TAG, "handleRingerModeChange(" + mode + ")"); mRingMode = mode; for (int i = 0; i < mCallbacks.size(); i++) { KeyguardUpdateMonitorCallback cb = mCallbacks.get(i).get(); if (cb != null) { cb.onRingerModeChanged(mode); } } } /** * Handle {@link #MSG_TIME_UPDATE} */ private void handleTimeUpdate() { if (DEBUG) Log.d(TAG, "handleTimeUpdate"); for (int i = 0; i < mCallbacks.size(); i++) { KeyguardUpdateMonitorCallback cb = mCallbacks.get(i).get(); if (cb != null) { cb.onTimeChanged(); } } } /** * Handle {@link #MSG_BATTERY_UPDATE} */ private void handleBatteryUpdate(BatteryStatus status) { if (DEBUG) Log.d(TAG, "handleBatteryUpdate"); final boolean batteryUpdateInteresting = isBatteryUpdateInteresting(mBatteryStatus, status); mBatteryStatus = status; if (batteryUpdateInteresting) { for (int i = 0; i < mCallbacks.size(); i++) { KeyguardUpdateMonitorCallback cb = mCallbacks.get(i).get(); if (cb != null) { cb.onRefreshBatteryInfo(status); } } } } /** * Handle {@link #MSG_SIM_STATE_CHANGE} */ private void handleSimStateChange(int subId, int slotId, State state) { if (DEBUG_SIM_STATES) { Log.d(TAG, "handleSimStateChange(subId=" + subId + ", slotId=" + slotId + ", state=" + state +")"); } if (!SubscriptionManager.isValidSubscriptionId(subId)) { Log.w(TAG, "invalid subId in handleSimStateChange()"); return; } SimData data = mSimDatas.get(subId); final boolean changed; if (data == null) { data = new SimData(state, slotId, subId); mSimDatas.put(subId, data); changed = true; // no data yet; force update } else { changed = (data.simState != state || data.subId != subId || data.slotId != slotId); data.simState = state; data.subId = subId; data.slotId = slotId; } if (changed && state != State.UNKNOWN) { for (int i = 0; i < mCallbacks.size(); i++) { KeyguardUpdateMonitorCallback cb = mCallbacks.get(i).get(); if (cb != null) { cb.onSimStateChanged(subId, slotId, state); } } } } /** * Handle {@link #MSG_SERVICE_STATE_CHANGE} */ private void handleServiceStateChange(int subId, ServiceState serviceState) { if (DEBUG) { Log.d(TAG, "handleServiceStateChange(subId=" + subId + ", serviceState=" + serviceState); } if (!SubscriptionManager.isValidSubscriptionId(subId)) { Log.w(TAG, "invalid subId in handleServiceStateChange()"); return; } mServiceStates.put(subId, serviceState); for (int j = 0; j < mCallbacks.size(); j++) { KeyguardUpdateMonitorCallback cb = mCallbacks.get(j).get(); if (cb != null) { cb.onRefreshCarrierInfo(); } } } /** * Notifies that the visibility state of Keyguard has changed. * *

Needs to be called from the main thread. */ public void onKeyguardVisibilityChanged(boolean showing) { if (DEBUG) Log.d(TAG, "onKeyguardVisibilityChanged(" + showing + ")"); mKeyguardIsVisible = showing; for (int i = 0; i < mCallbacks.size(); i++) { KeyguardUpdateMonitorCallback cb = mCallbacks.get(i).get(); if (cb != null) { cb.onKeyguardVisibilityChangedRaw(showing); } } if (!showing) { mFingerprintAlreadyAuthenticated = false; } updateFingerprintListeningState(); } /** * Handle {@link #MSG_KEYGUARD_RESET} */ private void handleKeyguardReset() { if (DEBUG) Log.d(TAG, "handleKeyguardReset"); updateFingerprintListeningState(); mNeedsSlowUnlockTransition = resolveNeedsSlowUnlockTransition(); } private boolean resolveNeedsSlowUnlockTransition() { if (mUserManager.isUserUnlocked(getCurrentUser())) { return false; } Intent homeIntent = new Intent(Intent.ACTION_MAIN) .addCategory(Intent.CATEGORY_HOME); ResolveInfo resolveInfo = mContext.getPackageManager().resolveActivity(homeIntent, 0 /* flags */); return FALLBACK_HOME_COMPONENT.equals(resolveInfo.getComponentInfo().getComponentName()); } /** * Handle {@link #MSG_KEYGUARD_BOUNCER_CHANGED} * @see #sendKeyguardBouncerChanged(boolean) */ private void handleKeyguardBouncerChanged(int bouncer) { if (DEBUG) Log.d(TAG, "handleKeyguardBouncerChanged(" + bouncer + ")"); boolean isBouncer = (bouncer == 1); mBouncer = isBouncer; for (int i = 0; i < mCallbacks.size(); i++) { KeyguardUpdateMonitorCallback cb = mCallbacks.get(i).get(); if (cb != null) { cb.onKeyguardBouncerChanged(isBouncer); } } updateFingerprintListeningState(); } /** * Handle {@link #MSG_REPORT_EMERGENCY_CALL_ACTION} */ private void handleReportEmergencyCallAction() { for (int i = 0; i < mCallbacks.size(); i++) { KeyguardUpdateMonitorCallback cb = mCallbacks.get(i).get(); if (cb != null) { cb.onEmergencyCallAction(); } } } private static boolean isBatteryUpdateInteresting(BatteryStatus old, BatteryStatus current) { final boolean nowPluggedIn = current.isPluggedIn(); final boolean wasPluggedIn = old.isPluggedIn(); final boolean stateChangedWhilePluggedIn = wasPluggedIn == true && nowPluggedIn == true && (old.status != current.status); // change in plug state is always interesting if (wasPluggedIn != nowPluggedIn || stateChangedWhilePluggedIn) { return true; } // change in battery level while plugged in if (nowPluggedIn && old.level != current.level) { return true; } // change where battery needs charging if (!nowPluggedIn && current.isBatteryLow() && current.level != old.level) { return true; } // change in charging current while plugged in if (nowPluggedIn && current.maxChargingWattage != old.maxChargingWattage) { return true; } return false; } /** * Remove the given observer's callback. * * @param callback The callback to remove */ public void removeCallback(KeyguardUpdateMonitorCallback callback) { if (DEBUG) Log.v(TAG, "*** unregister callback for " + callback); for (int i = mCallbacks.size() - 1; i >= 0; i--) { if (mCallbacks.get(i).get() == callback) { mCallbacks.remove(i); } } } /** * Register to receive notifications about general keyguard information * (see {@link InfoCallback}. * @param callback The callback to register */ public void registerCallback(KeyguardUpdateMonitorCallback callback) { if (DEBUG) Log.v(TAG, "*** register callback for " + callback); // Prevent adding duplicate callbacks for (int i = 0; i < mCallbacks.size(); i++) { if (mCallbacks.get(i).get() == callback) { if (DEBUG) Log.e(TAG, "Object tried to add another callback", new Exception("Called by")); return; } } mCallbacks.add(new WeakReference(callback)); removeCallback(null); // remove unused references sendUpdates(callback); } private void sendUpdates(KeyguardUpdateMonitorCallback callback) { // Notify listener of the current state callback.onRefreshBatteryInfo(mBatteryStatus); callback.onTimeChanged(); callback.onRingerModeChanged(mRingMode); callback.onPhoneStateChanged(mPhoneState); callback.onRefreshCarrierInfo(); callback.onClockVisibilityChanged(); for (Entry data : mSimDatas.entrySet()) { final SimData state = data.getValue(); callback.onSimStateChanged(state.subId, state.slotId, state.simState); } } public void sendKeyguardReset() { mHandler.obtainMessage(MSG_KEYGUARD_RESET).sendToTarget(); } /** * @see #handleKeyguardBouncerChanged(int) */ public void sendKeyguardBouncerChanged(boolean showingBouncer) { if (DEBUG) Log.d(TAG, "sendKeyguardBouncerChanged(" + showingBouncer + ")"); Message message = mHandler.obtainMessage(MSG_KEYGUARD_BOUNCER_CHANGED); message.arg1 = showingBouncer ? 1 : 0; message.sendToTarget(); } /** * Report that the user successfully entered the SIM PIN or PUK/SIM PIN so we * have the information earlier than waiting for the intent * broadcast from the telephony code. * * NOTE: Because handleSimStateChange() invokes callbacks immediately without going * through mHandler, this *must* be called from the UI thread. */ public void reportSimUnlocked(int subId) { if (DEBUG_SIM_STATES) Log.v(TAG, "reportSimUnlocked(subId=" + subId + ")"); int slotId = SubscriptionManager.getSlotId(subId); handleSimStateChange(subId, slotId, State.READY); } /** * Report that the emergency call button has been pressed and the emergency dialer is * about to be displayed. * * @param bypassHandler runs immediately. * * NOTE: Must be called from UI thread if bypassHandler == true. */ public void reportEmergencyCallAction(boolean bypassHandler) { if (!bypassHandler) { mHandler.obtainMessage(MSG_REPORT_EMERGENCY_CALL_ACTION).sendToTarget(); } else { handleReportEmergencyCallAction(); } } /** * @return Whether the device is provisioned (whether they have gone through * the setup wizard) */ public boolean isDeviceProvisioned() { return mDeviceProvisioned; } public void clearFailedUnlockAttempts() { mFailedAttempts.delete(sCurrentUser); } public int getFailedUnlockAttempts(int userId) { return mFailedAttempts.get(userId, 0); } public void reportFailedStrongAuthUnlockAttempt(int userId) { mFailedAttempts.put(userId, getFailedUnlockAttempts(userId) + 1); } public void clearFingerprintRecognized() { mUserFingerprintAuthenticated.clear(); } public boolean isSimPinVoiceSecure() { // TODO: only count SIMs that handle voice return isSimPinSecure(); } public boolean isSimPinSecure() { // True if any SIM is pin secure for (SubscriptionInfo info : getSubscriptionInfo(false /* forceReload */)) { if (isSimPinSecure(getSimState(info.getSubscriptionId()))) return true; } return false; } public State getSimState(int subId) { if (mSimDatas.containsKey(subId)) { return mSimDatas.get(subId).simState; } else { return State.UNKNOWN; } } /** * @return true if and only if the state has changed for the specified {@code slotId} */ private boolean refreshSimState(int subId, int slotId) { // This is awful. It exists because there are two APIs for getting the SIM status // that don't return the complete set of values and have different types. In Keyguard we // need IccCardConstants, but TelephonyManager would only give us // TelephonyManager.SIM_STATE*, so we retrieve it manually. final TelephonyManager tele = TelephonyManager.from(mContext); int simState = tele.getSimState(slotId); State state; try { state = State.intToState(simState); } catch(IllegalArgumentException ex) { Log.w(TAG, "Unknown sim state: " + simState); state = State.UNKNOWN; } SimData data = mSimDatas.get(subId); final boolean changed; if (data == null) { data = new SimData(state, slotId, subId); mSimDatas.put(subId, data); changed = true; // no data yet; force update } else { changed = data.simState != state; data.simState = state; } return changed; } public static boolean isSimPinSecure(IccCardConstants.State state) { final IccCardConstants.State simState = state; return (simState == IccCardConstants.State.PIN_REQUIRED || simState == IccCardConstants.State.PUK_REQUIRED || simState == IccCardConstants.State.PERM_DISABLED); } public DisplayClientState getCachedDisplayClientState() { return mDisplayClientState; } // TODO: use these callbacks elsewhere in place of the existing notifyScreen*() // (KeyguardViewMediator, KeyguardHostView) public void dispatchStartedWakingUp() { synchronized (this) { mDeviceInteractive = true; } mHandler.sendEmptyMessage(MSG_STARTED_WAKING_UP); } public void dispatchStartedGoingToSleep(int why) { mHandler.sendMessage(mHandler.obtainMessage(MSG_STARTED_GOING_TO_SLEEP, why, 0)); } public void dispatchFinishedGoingToSleep(int why) { synchronized(this) { mDeviceInteractive = false; } mHandler.sendMessage(mHandler.obtainMessage(MSG_FINISHED_GOING_TO_SLEEP, why, 0)); } public void dispatchScreenTurnedOn() { synchronized (this) { mScreenOn = true; } mHandler.sendEmptyMessage(MSG_SCREEN_TURNED_ON); } public void dispatchScreenTurnedOff() { synchronized(this) { mScreenOn = false; } mHandler.sendEmptyMessage(MSG_SCREEN_TURNED_OFF); } public void dispatchDreamingStarted() { mHandler.sendMessage(mHandler.obtainMessage(MSG_DREAMING_STATE_CHANGED, 1, 0)); } public void dispatchDreamingStopped() { mHandler.sendMessage(mHandler.obtainMessage(MSG_DREAMING_STATE_CHANGED, 0, 0)); } public boolean isDeviceInteractive() { return mDeviceInteractive; } public boolean isGoingToSleep() { return mGoingToSleep; } /** * Find the next SubscriptionId for a SIM in the given state, favoring lower slot numbers first. * @param state * @return subid or {@link SubscriptionManager#INVALID_SUBSCRIPTION_ID} if none found */ public int getNextSubIdForState(State state) { List list = getSubscriptionInfo(false /* forceReload */); int resultId = SubscriptionManager.INVALID_SUBSCRIPTION_ID; int bestSlotId = Integer.MAX_VALUE; // Favor lowest slot first for (int i = 0; i < list.size(); i++) { final SubscriptionInfo info = list.get(i); final int id = info.getSubscriptionId(); int slotId = SubscriptionManager.getSlotId(id); if (state == getSimState(id) && bestSlotId > slotId ) { resultId = id; bestSlotId = slotId; } } return resultId; } public SubscriptionInfo getSubscriptionInfoForSubId(int subId) { List list = getSubscriptionInfo(false /* forceReload */); for (int i = 0; i < list.size(); i++) { SubscriptionInfo info = list.get(i); if (subId == info.getSubscriptionId()) return info; } return null; // not found } public void dump(FileDescriptor fd, PrintWriter pw, String[] args) { pw.println("KeyguardUpdateMonitor state:"); pw.println(" SIM States:"); for (SimData data : mSimDatas.values()) { pw.println(" " + data.toString()); } pw.println(" Subs:"); if (mSubscriptionInfo != null) { for (int i = 0; i < mSubscriptionInfo.size(); i++) { pw.println(" " + mSubscriptionInfo.get(i)); } } pw.println(" Service states:"); for (int subId : mServiceStates.keySet()) { pw.println(" " + subId + "=" + mServiceStates.get(subId)); } if (mFpm != null && mFpm.isHardwareDetected()) { final int userId = ActivityManager.getCurrentUser(); final int strongAuthFlags = mStrongAuthTracker.getStrongAuthForUser(userId); pw.println(" Fingerprint state (user=" + userId + ")"); pw.println(" allowed=" + isUnlockingWithFingerprintAllowed()); pw.println(" auth'd=" + mUserFingerprintAuthenticated.get(userId)); pw.println(" authSinceBoot=" + getStrongAuthTracker().hasUserAuthenticatedSinceBoot()); pw.println(" disabled(DPM)=" + isFingerprintDisabled(userId)); pw.println(" possible=" + isUnlockWithFingerprintPossible(userId)); pw.println(" strongAuthFlags=" + Integer.toHexString(strongAuthFlags)); pw.println(" timedout=" + hasFingerprintUnlockTimedOut(userId)); pw.println(" trustManaged=" + getUserTrustIsManaged(userId)); } } }