| /* |
| * Copyright (C) 2015 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.phone.vvm.omtp; |
| |
| import android.content.BroadcastReceiver; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.pm.IPackageManager; |
| import android.os.RemoteException; |
| import android.os.ServiceManager; |
| import android.os.UserManager; |
| import android.telecom.PhoneAccountHandle; |
| import android.telephony.CarrierConfigManager; |
| import android.telephony.ServiceState; |
| import android.telephony.SubscriptionManager; |
| import android.telephony.TelephonyManager; |
| import android.text.TextUtils; |
| |
| import com.android.internal.telephony.IccCardConstants; |
| import com.android.internal.telephony.PhoneConstants; |
| import com.android.internal.telephony.TelephonyIntents; |
| import com.android.phone.settings.VisualVoicemailSettingsUtil; |
| import com.android.phone.vvm.RemoteVvmTaskManager; |
| import com.android.phone.vvm.omtp.sync.OmtpVvmSourceManager; |
| import com.android.phone.vvm.omtp.utils.PhoneAccountHandleConverter; |
| |
| /** |
| * This class listens to the {@link CarrierConfigManager#ACTION_CARRIER_CONFIG_CHANGED} and {@link |
| * TelephonyIntents#ACTION_SIM_STATE_CHANGED} to determine when a SIM is added, replaced, or |
| * removed. |
| * |
| * When a SIM is added, send an activate SMS. When a SIM is removed, remove the sync accounts and |
| * change the status in the voicemail_status table. |
| */ |
| public class SimChangeReceiver extends BroadcastReceiver { |
| |
| private static final String TAG = "VvmSimChangeReceiver"; |
| |
| @Override |
| public void onReceive(Context context, Intent intent) { |
| final String action = intent.getAction(); |
| if (action == null) { |
| VvmLog.w(TAG, "Null action for intent."); |
| return; |
| } |
| |
| int subId = intent.getIntExtra(PhoneConstants.SUBSCRIPTION_KEY, |
| SubscriptionManager.INVALID_SUBSCRIPTION_ID); |
| |
| if (!SubscriptionManager.isValidSubscriptionId(subId)) { |
| VvmLog.i(TAG, "Received SIM change for invalid subscription id."); |
| return; |
| } |
| |
| if (RemoteVvmTaskManager.hasRemoteService(context, subId)) { |
| return; |
| } |
| |
| switch (action) { |
| case TelephonyIntents.ACTION_SIM_STATE_CHANGED: |
| if (IccCardConstants.INTENT_VALUE_ICC_ABSENT.equals( |
| intent.getStringExtra(IccCardConstants.INTENT_KEY_ICC_STATE))) { |
| VvmLog.i(TAG, "Sim removed, removing inactive accounts"); |
| OmtpVvmSourceManager.getInstance(context).removeInactiveSources(); |
| } |
| break; |
| case CarrierConfigManager.ACTION_CARRIER_CONFIG_CHANGED: |
| |
| |
| TelephonyManager telephonyManager = context |
| .getSystemService(TelephonyManager.class); |
| if(TextUtils.isEmpty(telephonyManager.getSimOperator())){ |
| VvmLog.e(TAG, |
| "Empty MCCMNC, possible modem crash." |
| + " Ignoring carrier config changed event"); |
| return; |
| } |
| |
| PhoneAccountHandle phoneAccountHandle = PhoneAccountHandleConverter |
| .fromSubId(subId); |
| if("null".equals(phoneAccountHandle.getId())){ |
| VvmLog.e(TAG, |
| "null phone account handle ID, possible modem crash." |
| + " Ignoring carrier config changed event"); |
| return; |
| } |
| |
| VvmLog.d(TAG, "Carrier config changed"); |
| |
| if (UserManager.get(context).isUserUnlocked() && !isCryptKeeperMode()) { |
| processSubId(context, subId); |
| } else { |
| VvmLog.d(TAG, "User locked, activation request delayed until unlock"); |
| // After the device is unlocked, VvmBootCompletedReceiver will iterate through |
| // all call capable subIds, nothing need to be done here. |
| } |
| break; |
| } |
| } |
| |
| public static void processSubId(Context context, int subId) { |
| PhoneAccountHandle phoneAccount = PhoneAccountHandleConverter.fromSubId(subId); |
| if (phoneAccount == null) { |
| // This should never happen |
| VvmLog.e(TAG, "unable to convert subId " + subId + " to PhoneAccountHandle"); |
| return; |
| } |
| |
| OmtpVvmCarrierConfigHelper carrierConfigHelper = |
| new OmtpVvmCarrierConfigHelper(context, subId); |
| if (carrierConfigHelper.isValid()) { |
| if (VisualVoicemailSettingsUtil.isEnabled(context, phoneAccount)) { |
| VvmLog.i(TAG, "Sim state or carrier config changed for " + subId); |
| // Add a phone state listener so that changes to the communication channels |
| // can be recorded. |
| OmtpVvmSourceManager.getInstance(context).addPhoneStateListener( |
| phoneAccount); |
| if (context.getSystemService(TelephonyManager.class) |
| .getServiceStateForSubscriber(subId).getState() |
| != ServiceState.STATE_IN_SERVICE) { |
| VvmLog.i(TAG, "Cellular signal not available, not activating"); |
| return; |
| } |
| carrierConfigHelper.startActivation(); |
| } else { |
| if (carrierConfigHelper.isLegacyModeEnabled()) { |
| // SMS still need to be filtered under legacy mode. |
| VvmLog.i(TAG, "activating SMS filter for legacy mode"); |
| carrierConfigHelper.activateSmsFilter(); |
| } |
| // It may be that the source was not registered to begin with but we want |
| // to run through the steps to remove the source just in case. |
| OmtpVvmSourceManager.getInstance(context).removeSource(phoneAccount); |
| VvmLog.v(TAG, "Sim change for disabled account."); |
| } |
| } else { |
| String mccMnc = context.getSystemService(TelephonyManager.class).getSimOperator(subId); |
| VvmLog.d(TAG, |
| "visual voicemail not supported for carrier " + mccMnc + " on subId " + subId); |
| OmtpVvmSourceManager.getInstance(context).removeSource(phoneAccount); |
| } |
| } |
| |
| /** |
| * CryptKeeper mode is the pre-file based encryption locked state, when the user has selected |
| * "Require password to boot" and the device hasn't been unlocked yet during a reboot. {@link |
| * UserManager#isUserUnlocked()} will still return true in this mode, but storage in /data and |
| * all content providers will not be available(including SharedPreference). |
| */ |
| private static boolean isCryptKeeperMode() { |
| try { |
| return IPackageManager.Stub.asInterface(ServiceManager.getService("package")). |
| isOnlyCoreApps(); |
| } catch (RemoteException e) { |
| } |
| return false; |
| } |
| } |