| /* |
| * 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 android.app.ActivityManagerNative; |
| import android.app.IUserSwitchObserver; |
| import android.app.PendingIntent; |
| import android.app.admin.DevicePolicyManager; |
| import android.content.BroadcastReceiver; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.IntentFilter; |
| import android.database.ContentObserver; |
| import android.graphics.Bitmap; |
| |
| import static android.os.BatteryManager.BATTERY_STATUS_FULL; |
| import static android.os.BatteryManager.BATTERY_STATUS_UNKNOWN; |
| import static android.os.BatteryManager.BATTERY_HEALTH_UNKNOWN; |
| import static android.os.BatteryManager.EXTRA_STATUS; |
| import static android.os.BatteryManager.EXTRA_PLUGGED; |
| import static android.os.BatteryManager.EXTRA_LEVEL; |
| import static android.os.BatteryManager.EXTRA_HEALTH; |
| import android.media.AudioManager; |
| import android.media.IRemoteControlDisplay; |
| import android.os.BatteryManager; |
| import android.os.Bundle; |
| import android.os.Handler; |
| import android.os.IRemoteCallback; |
| import android.os.Message; |
| import android.os.RemoteException; |
| import android.os.UserHandle; |
| import android.provider.Settings; |
| |
| import com.android.internal.telephony.IccCardConstants; |
| import com.android.internal.telephony.TelephonyIntents; |
| |
| import android.telephony.TelephonyManager; |
| import android.util.Log; |
| import com.google.android.collect.Lists; |
| |
| import java.lang.ref.WeakReference; |
| import java.util.ArrayList; |
| |
| /** |
| * 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 { |
| |
| private static final String TAG = "KeyguardUpdateMonitor"; |
| private static final boolean DEBUG = false; |
| private static final boolean DEBUG_SIM_STATES = DEBUG || false; |
| private static final int FAILED_BIOMETRIC_UNLOCK_ATTEMPTS_BEFORE_BACKUP = 3; |
| private static final int LOW_BATTERY_THRESHOLD = 20; |
| |
| // Callback messages |
| private static final int MSG_TIME_UPDATE = 301; |
| private static final int MSG_BATTERY_UPDATE = 302; |
| private static final int MSG_CARRIER_INFO_UPDATE = 303; |
| 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_CLOCK_VISIBILITY_CHANGED = 307; |
| 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_USER_REMOVED = 311; |
| private static final int MSG_KEYGUARD_VISIBILITY_CHANGED = 312; |
| protected static final int MSG_BOOT_COMPLETED = 313; |
| private static final int MSG_USER_SWITCH_COMPLETE = 314; |
| private static final int MSG_SET_CURRENT_CLIENT_ID = 315; |
| protected static final int MSG_SET_PLAYBACK_STATE = 316; |
| protected static final int MSG_USER_INFO_CHANGED = 317; |
| protected static final int MSG_REPORT_EMERGENCY_CALL_ACTION = 318; |
| private static final int MSG_SCREEN_TURNED_ON = 319; |
| private static final int MSG_SCREEN_TURNED_OFF = 320; |
| |
| private static KeyguardUpdateMonitor sInstance; |
| |
| private final Context mContext; |
| |
| // Telephony state |
| private IccCardConstants.State mSimState = IccCardConstants.State.READY; |
| private CharSequence mTelephonyPlmn; |
| private CharSequence mTelephonySpn; |
| private int mRingMode; |
| private int mPhoneState; |
| private boolean mKeyguardIsVisible; |
| private boolean mBootCompleted; |
| |
| // Device provisioning state |
| private boolean mDeviceProvisioned; |
| |
| // Battery status |
| private BatteryStatus mBatteryStatus; |
| |
| // Password attempts |
| private int mFailedAttempts = 0; |
| private int mFailedBiometricUnlockAttempts = 0; |
| |
| private boolean mAlternateUnlockEnabled; |
| |
| private boolean mClockVisible; |
| |
| private final ArrayList<WeakReference<KeyguardUpdateMonitorCallback>> |
| mCallbacks = Lists.newArrayList(); |
| private ContentObserver mDeviceProvisionedObserver; |
| |
| private boolean mSwitchingUser; |
| |
| private boolean mScreenOn; |
| |
| 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_CARRIER_INFO_UPDATE: |
| handleCarrierInfoUpdate(); |
| break; |
| case MSG_SIM_STATE_CHANGE: |
| handleSimStateChange((SimArgs) msg.obj); |
| break; |
| case MSG_RINGER_MODE_CHANGED: |
| handleRingerModeChange(msg.arg1); |
| break; |
| case MSG_PHONE_STATE_CHANGED: |
| handlePhoneStateChanged((String)msg.obj); |
| break; |
| case MSG_CLOCK_VISIBILITY_CHANGED: |
| handleClockVisibilityChanged(); |
| 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_USER_REMOVED: |
| handleUserRemoved(msg.arg1); |
| break; |
| case MSG_KEYGUARD_VISIBILITY_CHANGED: |
| handleKeyguardVisibilityChanged(msg.arg1); |
| break; |
| case MSG_BOOT_COMPLETED: |
| handleBootCompleted(); |
| break; |
| case MSG_SET_CURRENT_CLIENT_ID: |
| handleSetGenerationId(msg.arg1, msg.arg2 != 0, (PendingIntent) msg.obj); |
| break; |
| case MSG_SET_PLAYBACK_STATE: |
| handleSetPlaybackState(msg.arg1, msg.arg2, (Long) msg.obj); |
| break; |
| case MSG_USER_INFO_CHANGED: |
| handleUserInfoChanged(msg.arg1); |
| break; |
| case MSG_REPORT_EMERGENCY_CALL_ACTION: |
| handleReportEmergencyCallAction(); |
| break; |
| case MSG_SCREEN_TURNED_OFF: |
| handleScreenTurnedOff(msg.arg1); |
| break; |
| case MSG_SCREEN_TURNED_ON: |
| handleScreenTurnedOn(); |
| break; |
| } |
| } |
| }; |
| |
| private AudioManager mAudioManager; |
| |
| static class DisplayClientState { |
| public int clientGeneration; |
| public boolean clearing; |
| public PendingIntent intent; |
| public int playbackState; |
| public long playbackEventTime; |
| } |
| |
| private DisplayClientState mDisplayClientState = new DisplayClientState(); |
| |
| /** |
| * This currently implements the bare minimum required to enable showing and hiding |
| * KeyguardTransportControl. There's a lot of client state to maintain which is why |
| * KeyguardTransportControl maintains an independent connection while it's showing. |
| */ |
| private final IRemoteControlDisplay.Stub mRemoteControlDisplay = |
| new IRemoteControlDisplay.Stub() { |
| |
| public void setPlaybackState(int generationId, int state, long stateChangeTimeMs, |
| long currentPosMs, float speed) { |
| Message msg = mHandler.obtainMessage(MSG_SET_PLAYBACK_STATE, |
| generationId, state, stateChangeTimeMs); |
| mHandler.sendMessage(msg); |
| } |
| |
| public void setMetadata(int generationId, Bundle metadata) { |
| |
| } |
| |
| public void setTransportControlInfo(int generationId, int flags, int posCapabilities) { |
| |
| } |
| |
| public void setArtwork(int generationId, Bitmap bitmap) { |
| |
| } |
| |
| public void setAllMetadata(int generationId, Bundle metadata, Bitmap bitmap) { |
| |
| } |
| |
| public void setEnabled(boolean enabled) { |
| // no-op: this RemoteControlDisplay is not subject to being disabled. |
| } |
| |
| public void setCurrentClientId(int clientGeneration, PendingIntent mediaIntent, |
| boolean clearing) throws RemoteException { |
| Message msg = mHandler.obtainMessage(MSG_SET_CURRENT_CLIENT_ID, |
| clientGeneration, (clearing ? 1 : 0), mediaIntent); |
| mHandler.sendMessage(msg); |
| } |
| }; |
| |
| private final BroadcastReceiver mBroadcastReceiver = new BroadcastReceiver() { |
| |
| 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 (TelephonyIntents.SPN_STRINGS_UPDATED_ACTION.equals(action)) { |
| mTelephonyPlmn = getTelephonyPlmnFrom(intent); |
| mTelephonySpn = getTelephonySpnFrom(intent); |
| mHandler.sendEmptyMessage(MSG_CARRIER_INFO_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 Message msg = mHandler.obtainMessage( |
| MSG_BATTERY_UPDATE, new BatteryStatus(status, level, plugged, health)); |
| mHandler.sendMessage(msg); |
| } else if (TelephonyIntents.ACTION_SIM_STATE_CHANGED.equals(action)) { |
| if (DEBUG_SIM_STATES) { |
| Log.v(TAG, "action " + action + " state" + |
| intent.getStringExtra(IccCardConstants.INTENT_KEY_ICC_STATE)); |
| } |
| mHandler.sendMessage(mHandler.obtainMessage( |
| MSG_SIM_STATE_CHANGE, SimArgs.fromIntent(intent))); |
| } 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 (DevicePolicyManager.ACTION_DEVICE_POLICY_MANAGER_STATE_CHANGED |
| .equals(action)) { |
| mHandler.sendEmptyMessage(MSG_DPM_STATE_CHANGED); |
| } else if (Intent.ACTION_USER_REMOVED.equals(action)) { |
| mHandler.sendMessage(mHandler.obtainMessage(MSG_USER_REMOVED, |
| intent.getIntExtra(Intent.EXTRA_USER_HANDLE, 0), 0)); |
| } else if (Intent.ACTION_BOOT_COMPLETED.equals(action)) { |
| dispatchBootCompleted(); |
| } |
| } |
| }; |
| |
| private final BroadcastReceiver mBroadcastAllReceiver = new BroadcastReceiver() { |
| |
| public void onReceive(Context context, Intent intent) { |
| final String action = intent.getAction(); |
| if (Intent.ACTION_USER_INFO_CHANGED.equals(action)) { |
| mHandler.sendMessage(mHandler.obtainMessage(MSG_USER_INFO_CHANGED, |
| intent.getIntExtra(Intent.EXTRA_USER_HANDLE, getSendingUserId()), 0)); |
| } |
| } |
| }; |
| |
| /** |
| * 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 SimArgs { |
| public final IccCardConstants.State simState; |
| |
| SimArgs(IccCardConstants.State state) { |
| simState = state; |
| } |
| |
| static SimArgs fromIntent(Intent intent) { |
| IccCardConstants.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); |
| 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 SimArgs(state); |
| } |
| |
| public String toString() { |
| return simState.toString(); |
| } |
| } |
| |
| /* package */ static class BatteryStatus { |
| public final int status; |
| public final int level; |
| public final int plugged; |
| public final int health; |
| public BatteryStatus(int status, int level, int plugged, int health) { |
| this.status = status; |
| this.level = level; |
| this.plugged = plugged; |
| this.health = health; |
| } |
| |
| /** |
| * Determine whether the device is plugged in (USB, power, or wireless). |
| * @return true if the device is plugged in. |
| */ |
| 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 static KeyguardUpdateMonitor getInstance(Context context) { |
| if (sInstance == null) { |
| sInstance = new KeyguardUpdateMonitor(context); |
| } |
| return sInstance; |
| } |
| |
| protected 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(); |
| } |
| } |
| } |
| |
| protected void handleScreenTurnedOff(int arg1) { |
| final int count = mCallbacks.size(); |
| for (int i = 0; i < count; i++) { |
| KeyguardUpdateMonitorCallback cb = mCallbacks.get(i).get(); |
| if (cb != null) { |
| cb.onScreenTurnedOff(arg1); |
| } |
| } |
| } |
| |
| /** |
| * 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); |
| } |
| } |
| } |
| |
| protected void handleSetGenerationId(int clientGeneration, boolean clearing, PendingIntent p) { |
| mDisplayClientState.clientGeneration = clientGeneration; |
| mDisplayClientState.clearing = clearing; |
| mDisplayClientState.intent = p; |
| if (DEBUG) |
| Log.v(TAG, "handleSetGenerationId(g=" + clientGeneration + ", clear=" + clearing + ")"); |
| for (int i = 0; i < mCallbacks.size(); i++) { |
| KeyguardUpdateMonitorCallback cb = mCallbacks.get(i).get(); |
| if (cb != null) { |
| cb.onMusicClientIdChanged(clientGeneration, clearing, p); |
| } |
| } |
| } |
| |
| protected void handleSetPlaybackState(int generationId, int playbackState, long eventTime) { |
| if (DEBUG) |
| Log.v(TAG, "handleSetPlaybackState(gen=" + generationId |
| + ", state=" + playbackState + ", t=" + eventTime + ")"); |
| mDisplayClientState.playbackState = playbackState; |
| mDisplayClientState.playbackEventTime = eventTime; |
| if (generationId == mDisplayClientState.clientGeneration) { |
| for (int i = 0; i < mCallbacks.size(); i++) { |
| KeyguardUpdateMonitorCallback cb = mCallbacks.get(i).get(); |
| if (cb != null) { |
| cb.onMusicPlaybackStateChanged(playbackState, eventTime); |
| } |
| } |
| } else { |
| Log.w(TAG, "Ignoring generation id " + generationId + " because it's not current"); |
| } |
| } |
| |
| 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 KeyguardUpdateMonitor(Context context) { |
| mContext = context; |
| |
| mDeviceProvisioned = isDeviceProvisionedInSettingsDb(); |
| // 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 |
| mSimState = IccCardConstants.State.NOT_READY; |
| mBatteryStatus = new BatteryStatus(BATTERY_STATUS_UNKNOWN, 100, 0, 0); |
| mTelephonyPlmn = getDefaultPlmn(); |
| |
| // 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(TelephonyIntents.ACTION_SIM_STATE_CHANGED); |
| filter.addAction(TelephonyManager.ACTION_PHONE_STATE_CHANGED); |
| filter.addAction(TelephonyIntents.SPN_STRINGS_UPDATED_ACTION); |
| filter.addAction(AudioManager.RINGER_MODE_CHANGED_ACTION); |
| filter.addAction(DevicePolicyManager.ACTION_DEVICE_POLICY_MANAGER_STATE_CHANGED); |
| filter.addAction(Intent.ACTION_USER_REMOVED); |
| 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 userInfoFilter = new IntentFilter(Intent.ACTION_USER_INFO_CHANGED); |
| context.registerReceiverAsUser(mBroadcastAllReceiver, UserHandle.ALL, userInfoFilter, |
| null, null); |
| |
| 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)); |
| mSwitchingUser = true; |
| } |
| @Override |
| public void onUserSwitchComplete(int newUserId) throws RemoteException { |
| mHandler.sendMessage(mHandler.obtainMessage(MSG_USER_SWITCH_COMPLETE, |
| newUserId)); |
| mSwitchingUser = false; |
| } |
| }); |
| } catch (RemoteException e) { |
| // TODO Auto-generated catch block |
| e.printStackTrace(); |
| } |
| } |
| |
| 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); |
| } |
| } |
| } |
| |
| /** |
| * Handle {@link #MSG_DPM_STATE_CHANGED} |
| */ |
| protected void handleDevicePolicyManagerStateChanged() { |
| 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) { |
| 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) { |
| 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. |
| */ |
| protected void dispatchBootCompleted() { |
| mHandler.sendEmptyMessage(MSG_BOOT_COMPLETED); |
| } |
| |
| /** |
| * Handle {@link #MSG_BOOT_COMPLETED} |
| */ |
| protected void handleBootCompleted() { |
| if (mBootCompleted) return; |
| mBootCompleted = true; |
| mAudioManager = new AudioManager(mContext); |
| mAudioManager.registerRemoteControlDisplay(mRemoteControlDisplay); |
| 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_USER_REMOVED} |
| */ |
| protected void handleUserRemoved(int userId) { |
| for (int i = 0; i < mCallbacks.size(); i++) { |
| KeyguardUpdateMonitorCallback cb = mCallbacks.get(i).get(); |
| if (cb != null) { |
| cb.onUserRemoved(userId); |
| } |
| } |
| } |
| |
| /** |
| * 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_CARRIER_INFO_UPDATE} |
| */ |
| private void handleCarrierInfoUpdate() { |
| if (DEBUG) Log.d(TAG, "handleCarrierInfoUpdate: plmn = " + mTelephonyPlmn |
| + ", spn = " + mTelephonySpn); |
| |
| for (int i = 0; i < mCallbacks.size(); i++) { |
| KeyguardUpdateMonitorCallback cb = mCallbacks.get(i).get(); |
| if (cb != null) { |
| cb.onRefreshCarrierInfo(mTelephonyPlmn, mTelephonySpn); |
| } |
| } |
| } |
| |
| /** |
| * Handle {@link #MSG_SIM_STATE_CHANGE} |
| */ |
| private void handleSimStateChange(SimArgs simArgs) { |
| final IccCardConstants.State state = simArgs.simState; |
| |
| if (DEBUG) { |
| Log.d(TAG, "handleSimStateChange: intentValue = " + simArgs + " " |
| + "state resolved to " + state.toString()); |
| } |
| |
| if (state != IccCardConstants.State.UNKNOWN && state != mSimState) { |
| mSimState = state; |
| for (int i = 0; i < mCallbacks.size(); i++) { |
| KeyguardUpdateMonitorCallback cb = mCallbacks.get(i).get(); |
| if (cb != null) { |
| cb.onSimStateChanged(state); |
| } |
| } |
| } |
| } |
| |
| /** |
| * Handle {@link #MSG_CLOCK_VISIBILITY_CHANGED} |
| */ |
| private void handleClockVisibilityChanged() { |
| if (DEBUG) Log.d(TAG, "handleClockVisibilityChanged()"); |
| for (int i = 0; i < mCallbacks.size(); i++) { |
| KeyguardUpdateMonitorCallback cb = mCallbacks.get(i).get(); |
| if (cb != null) { |
| cb.onClockVisibilityChanged(); |
| } |
| } |
| } |
| |
| /** |
| * Handle {@link #MSG_KEYGUARD_VISIBILITY_CHANGED} |
| */ |
| private void handleKeyguardVisibilityChanged(int showing) { |
| if (DEBUG) Log.d(TAG, "handleKeyguardVisibilityChanged(" + showing + ")"); |
| boolean isShowing = (showing == 1); |
| mKeyguardIsVisible = isShowing; |
| for (int i = 0; i < mCallbacks.size(); i++) { |
| KeyguardUpdateMonitorCallback cb = mCallbacks.get(i).get(); |
| if (cb != null) { |
| cb.onKeyguardVisibilityChanged(isShowing); |
| } |
| } |
| } |
| |
| /** |
| * 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(); |
| } |
| } |
| } |
| |
| public boolean isKeyguardVisible() { |
| return mKeyguardIsVisible; |
| } |
| |
| public boolean isSwitchingUser() { |
| return mSwitchingUser; |
| } |
| |
| 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; |
| } |
| return false; |
| } |
| |
| /** |
| * @param intent The intent with action {@link TelephonyIntents#SPN_STRINGS_UPDATED_ACTION} |
| * @return The string to use for the plmn, or null if it should not be shown. |
| */ |
| private CharSequence getTelephonyPlmnFrom(Intent intent) { |
| if (intent.getBooleanExtra(TelephonyIntents.EXTRA_SHOW_PLMN, false)) { |
| final String plmn = intent.getStringExtra(TelephonyIntents.EXTRA_PLMN); |
| return (plmn != null) ? plmn : getDefaultPlmn(); |
| } |
| return null; |
| } |
| |
| /** |
| * @return The default plmn (no service) |
| */ |
| private CharSequence getDefaultPlmn() { |
| return mContext.getResources().getText(R.string.keyguard_carrier_default); |
| } |
| |
| /** |
| * @param intent The intent with action {@link Telephony.Intents#SPN_STRINGS_UPDATED_ACTION} |
| * @return The string to use for the plmn, or null if it should not be shown. |
| */ |
| private CharSequence getTelephonySpnFrom(Intent intent) { |
| if (intent.getBooleanExtra(TelephonyIntents.EXTRA_SHOW_SPN, false)) { |
| final String spn = intent.getStringExtra(TelephonyIntents.EXTRA_SPN); |
| if (spn != null) { |
| return spn; |
| } |
| } |
| return null; |
| } |
| |
| /** |
| * 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<KeyguardUpdateMonitorCallback>(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(mTelephonyPlmn, mTelephonySpn); |
| callback.onClockVisibilityChanged(); |
| callback.onSimStateChanged(mSimState); |
| callback.onMusicClientIdChanged( |
| mDisplayClientState.clientGeneration, |
| mDisplayClientState.clearing, |
| mDisplayClientState.intent); |
| callback.onMusicPlaybackStateChanged(mDisplayClientState.playbackState, |
| mDisplayClientState.playbackEventTime); |
| } |
| |
| public void sendKeyguardVisibilityChanged(boolean showing) { |
| if (DEBUG) Log.d(TAG, "sendKeyguardVisibilityChanged(" + showing + ")"); |
| Message message = mHandler.obtainMessage(MSG_KEYGUARD_VISIBILITY_CHANGED); |
| message.arg1 = showing ? 1 : 0; |
| message.sendToTarget(); |
| } |
| |
| public void reportClockVisible(boolean visible) { |
| mClockVisible = visible; |
| mHandler.obtainMessage(MSG_CLOCK_VISIBILITY_CHANGED).sendToTarget(); |
| } |
| |
| public IccCardConstants.State getSimState() { |
| return mSimState; |
| } |
| |
| /** |
| * 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() { |
| handleSimStateChange(new SimArgs(IccCardConstants.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(); |
| } |
| } |
| |
| public CharSequence getTelephonyPlmn() { |
| return mTelephonyPlmn; |
| } |
| |
| public CharSequence getTelephonySpn() { |
| return mTelephonySpn; |
| } |
| |
| /** |
| * @return Whether the device is provisioned (whether they have gone through |
| * the setup wizard) |
| */ |
| public boolean isDeviceProvisioned() { |
| return mDeviceProvisioned; |
| } |
| |
| public int getFailedUnlockAttempts() { |
| return mFailedAttempts; |
| } |
| |
| public void clearFailedUnlockAttempts() { |
| mFailedAttempts = 0; |
| mFailedBiometricUnlockAttempts = 0; |
| } |
| |
| public void reportFailedUnlockAttempt() { |
| mFailedAttempts++; |
| } |
| |
| public boolean isClockVisible() { |
| return mClockVisible; |
| } |
| |
| public int getPhoneState() { |
| return mPhoneState; |
| } |
| |
| public void reportFailedBiometricUnlockAttempt() { |
| mFailedBiometricUnlockAttempts++; |
| } |
| |
| public boolean getMaxBiometricUnlockAttemptsReached() { |
| return mFailedBiometricUnlockAttempts >= FAILED_BIOMETRIC_UNLOCK_ATTEMPTS_BEFORE_BACKUP; |
| } |
| |
| public boolean isAlternateUnlockEnabled() { |
| return mAlternateUnlockEnabled; |
| } |
| |
| public void setAlternateUnlockEnabled(boolean enabled) { |
| mAlternateUnlockEnabled = enabled; |
| } |
| |
| public boolean isSimLocked() { |
| return isSimLocked(mSimState); |
| } |
| |
| public static boolean isSimLocked(IccCardConstants.State state) { |
| return state == IccCardConstants.State.PIN_REQUIRED |
| || state == IccCardConstants.State.PUK_REQUIRED |
| || state == IccCardConstants.State.PERM_DISABLED; |
| } |
| |
| public boolean isSimPinSecure() { |
| return isSimPinSecure(mSimState); |
| } |
| |
| 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 dispatchScreenTurnedOn() { |
| synchronized (this) { |
| mScreenOn = true; |
| } |
| mHandler.sendEmptyMessage(MSG_SCREEN_TURNED_ON); |
| } |
| |
| public void dispatchScreenTurndOff(int why) { |
| synchronized(this) { |
| mScreenOn = false; |
| } |
| mHandler.sendMessage(mHandler.obtainMessage(MSG_SCREEN_TURNED_OFF, why, 0)); |
| } |
| |
| public boolean isScreenOn() { |
| return mScreenOn; |
| } |
| } |
