| /* |
| * Copyright (C) 2014 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.services.telephony; |
| |
| import android.content.ComponentName; |
| import android.content.Intent; |
| import android.net.Uri; |
| import android.telecomm.Connection; |
| import android.telecomm.PhoneCapabilities; |
| import android.telecomm.ConnectionRequest; |
| import android.telecomm.ConnectionService; |
| import android.telecomm.PhoneAccountHandle; |
| import android.telecomm.Response; |
| import android.telephony.DisconnectCause; |
| import android.telephony.PhoneNumberUtils; |
| import android.telephony.ServiceState; |
| import android.telephony.TelephonyManager; |
| import android.text.TextUtils; |
| |
| import com.android.internal.telephony.Call; |
| import com.android.internal.telephony.CallStateException; |
| import com.android.internal.telephony.Phone; |
| import com.android.internal.telephony.PhoneConstants; |
| import com.android.internal.telephony.PhoneFactory; |
| import com.android.internal.telephony.SubscriptionController; |
| import com.android.phone.MMIDialogActivity; |
| |
| import java.util.Objects; |
| |
| /** |
| * Service for making GSM and CDMA connections. |
| */ |
| public class TelephonyConnectionService extends ConnectionService { |
| static String SCHEME_TEL = "tel"; |
| |
| private final GsmConferenceController mGsmConferenceController = |
| new GsmConferenceController(this); |
| private ComponentName mExpectedComponentName = null; |
| private EmergencyCallHelper mEmergencyCallHelper; |
| |
| @Override |
| public void onCreate() { |
| super.onCreate(); |
| mExpectedComponentName = new ComponentName(this, this.getClass()); |
| } |
| |
| @Override |
| public Connection onCreateOutgoingConnection( |
| PhoneAccountHandle connectionManagerPhoneAccount, |
| final ConnectionRequest request) { |
| Log.v(this, "onCreateOutgoingConnection, request: " + request); |
| |
| Uri handle = request.getHandle(); |
| if (handle == null) { |
| Log.d(this, "onCreateOutgoingConnection, handle is null"); |
| return Connection.createFailedConnection(DisconnectCause.NO_PHONE_NUMBER_SUPPLIED, |
| "Handle is null"); |
| } |
| |
| if (!SCHEME_TEL.equals(handle.getScheme())) { |
| Log.d(this, "onCreateOutgoingConnection, Handle %s is not type tel", |
| handle.getScheme()); |
| return Connection.createFailedConnection(DisconnectCause.INVALID_NUMBER, |
| "Handle scheme is not type tel"); |
| } |
| |
| final String number = handle.getSchemeSpecificPart(); |
| if (TextUtils.isEmpty(number)) { |
| Log.d(this, "onCreateOutgoingConnection, unable to parse number"); |
| return Connection.createFailedConnection(DisconnectCause.INVALID_NUMBER, |
| "Unable to parse number"); |
| } |
| |
| boolean isEmergencyNumber = PhoneNumberUtils.isPotentialEmergencyNumber(number); |
| |
| // Get the right phone object from the account data passed in. |
| final Phone phone = getPhoneForAccount(request.getAccountHandle(), isEmergencyNumber); |
| if (phone == null) { |
| Log.d(this, "onCreateOutgoingConnection, phone is null"); |
| return Connection.createFailedConnection(DisconnectCause.OUTGOING_FAILURE, |
| "Phone is null"); |
| } |
| |
| int state = phone.getServiceState().getState(); |
| boolean useEmergencyCallHelper = false; |
| |
| if (isEmergencyNumber) { |
| if (state == ServiceState.STATE_POWER_OFF) { |
| useEmergencyCallHelper = true; |
| } |
| } else { |
| switch (state) { |
| case ServiceState.STATE_IN_SERVICE: |
| case ServiceState.STATE_EMERGENCY_ONLY: |
| break; |
| case ServiceState.STATE_OUT_OF_SERVICE: |
| return Connection.createFailedConnection(DisconnectCause.OUT_OF_SERVICE, |
| "ServiceState.STATE_OUT_OF_SERVICE"); |
| case ServiceState.STATE_POWER_OFF: |
| return Connection.createFailedConnection(DisconnectCause.POWER_OFF, |
| "ServiceState.STATE_POWER_OFF"); |
| default: |
| Log.d(this, "onCreateOutgoingConnection, unkown service state: %d", state); |
| return Connection.createFailedConnection(DisconnectCause.OUTGOING_FAILURE, |
| "Unknown service state " + state); |
| } |
| } |
| |
| final TelephonyConnection connection = createConnectionFor(phone.getPhoneType(), null); |
| if (connection == null) { |
| return Connection.createFailedConnection( |
| DisconnectCause.OUTGOING_FAILURE, "Invalid phone type"); |
| } |
| connection.setHandle(handle, PhoneConstants.PRESENTATION_ALLOWED); |
| connection.setInitializing(); |
| |
| if (useEmergencyCallHelper) { |
| if (mEmergencyCallHelper == null) { |
| mEmergencyCallHelper = new EmergencyCallHelper(this); |
| } |
| mEmergencyCallHelper.startTurnOnRadioSequence(phone, |
| new EmergencyCallHelper.Callback() { |
| @Override |
| public void onComplete(boolean isRadioReady) { |
| if (isRadioReady) { |
| connection.setInitialized(); |
| placeOutgoingConnection(connection, phone, request); |
| } else { |
| Log.d(this, "onCreateOutgoingConnection, failed to turn on radio"); |
| connection.setFailed(DisconnectCause.POWER_OFF, |
| "Failed to turn on radio."); |
| } |
| } |
| }); |
| |
| } else { |
| placeOutgoingConnection(connection, phone, request); |
| } |
| |
| return connection; |
| } |
| |
| @Override |
| public Connection onCreateIncomingConnection( |
| PhoneAccountHandle connectionManagerPhoneAccount, |
| ConnectionRequest request) { |
| Log.v(this, "onCreateIncomingConnection, request: " + request); |
| |
| Phone phone = getPhoneForAccount(request.getAccountHandle(), false); |
| if (phone == null) { |
| return Connection.createFailedConnection(DisconnectCause.ERROR_UNSPECIFIED, null); |
| } |
| |
| Call call = phone.getRingingCall(); |
| if (!call.getState().isRinging()) { |
| Log.v(this, "onCreateIncomingConnection, no ringing call"); |
| return Connection.createFailedConnection(DisconnectCause.INCOMING_MISSED, |
| "Found no ringing call"); |
| } |
| |
| com.android.internal.telephony.Connection originalConnection = call.getEarliestConnection(); |
| if (isOriginalConnectionKnown(originalConnection)) { |
| Log.v(this, "onCreateIncomingConnection, original connection already registered"); |
| return Connection.createCanceledConnection(); |
| } |
| |
| Connection connection = createConnectionFor(phone.getPhoneType(), originalConnection); |
| if (connection == null) { |
| connection = Connection.createCanceledConnection(); |
| return Connection.createCanceledConnection(); |
| } else { |
| return connection; |
| } |
| } |
| |
| @Override |
| public void onConference(Connection connection1, Connection connection2) { |
| if (connection1 instanceof TelephonyConnection && |
| connection2 instanceof TelephonyConnection) { |
| ((TelephonyConnection) connection1).performConference( |
| (TelephonyConnection) connection2); |
| } |
| |
| } |
| |
| @Override |
| public void onConnectionAdded(Connection connection) { |
| if (connection instanceof GsmConnection) { |
| mGsmConferenceController.add((GsmConnection) connection); |
| } |
| } |
| |
| @Override |
| public void onConnectionRemoved(Connection connection) { |
| if (connection instanceof GsmConnection) { |
| mGsmConferenceController.remove((GsmConnection) connection); |
| } |
| } |
| |
| private void placeOutgoingConnection( |
| TelephonyConnection connection, Phone phone, ConnectionRequest request) { |
| String number = connection.getHandle().getSchemeSpecificPart(); |
| |
| com.android.internal.telephony.Connection originalConnection; |
| try { |
| originalConnection = phone.dial(number, request.getVideoState()); |
| } catch (CallStateException e) { |
| Log.e(this, e, "placeOutgoingConnection, phone.dial exception: " + e); |
| connection.setFailed(DisconnectCause.OUTGOING_FAILURE, e.getMessage()); |
| return; |
| } |
| |
| if (originalConnection == null) { |
| int disconnectCause = DisconnectCause.OUTGOING_FAILURE; |
| |
| // On GSM phones, null connection means that we dialed an MMI code |
| if (phone.getPhoneType() == PhoneConstants.PHONE_TYPE_GSM) { |
| Log.d(this, "dialed MMI code"); |
| disconnectCause = DisconnectCause.DIALED_MMI; |
| final Intent intent = new Intent(this, MMIDialogActivity.class); |
| intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | |
| Intent.FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS); |
| startActivity(intent); |
| } |
| Log.d(this, "placeOutgoingConnection, phone.dial returned null"); |
| connection.setFailed(disconnectCause, "Connection is null"); |
| } else { |
| connection.setOriginalConnection(originalConnection); |
| } |
| } |
| |
| private TelephonyConnection createConnectionFor( |
| int phoneType, com.android.internal.telephony.Connection originalConnection) { |
| if (phoneType == TelephonyManager.PHONE_TYPE_GSM) { |
| return new GsmConnection(originalConnection); |
| } else if (phoneType == TelephonyManager.PHONE_TYPE_CDMA) { |
| return new CdmaConnection(originalConnection); |
| } else { |
| return null; |
| } |
| } |
| |
| private boolean isOriginalConnectionKnown( |
| com.android.internal.telephony.Connection originalConnection) { |
| for (Connection connection : getAllConnections()) { |
| TelephonyConnection telephonyConnection = (TelephonyConnection) connection; |
| if (connection instanceof TelephonyConnection) { |
| if (telephonyConnection.getOriginalConnection() == originalConnection) { |
| return true; |
| } |
| } |
| } |
| return false; |
| } |
| |
| private Phone getPhoneForAccount(PhoneAccountHandle accountHandle, boolean isEmergency) { |
| if (isEmergency) { |
| return PhoneFactory.getDefaultPhone(); |
| } |
| |
| if (Objects.equals(mExpectedComponentName, accountHandle.getComponentName())) { |
| if (accountHandle.getId() != null) { |
| try { |
| int phoneId = SubscriptionController.getInstance().getPhoneId( |
| Long.parseLong(accountHandle.getId())); |
| return PhoneFactory.getPhone(phoneId); |
| } catch (NumberFormatException e) { |
| Log.w(this, "Could not get subId from account: " + accountHandle.getId()); |
| } |
| } |
| } |
| return null; |
| } |
| } |