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/*
* Copyright (C) 2013 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.internal.telephony.imsphone;
import android.app.PendingIntent;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.content.SharedPreferences;
import android.content.pm.PackageManager;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
import android.net.NetworkStats;
import android.net.Uri;
import android.os.AsyncResult;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.os.PersistableBundle;
import android.os.Registrant;
import android.os.RegistrantList;
import android.os.RemoteException;
import android.os.SystemClock;
import android.os.SystemProperties;
import android.preference.PreferenceManager;
import android.provider.Settings;
import android.telecom.ConferenceParticipant;
import android.telecom.TelecomManager;
import android.telecom.VideoProfile;
import android.telephony.CarrierConfigManager;
import android.telephony.DisconnectCause;
import android.telephony.PhoneNumberUtils;
import android.telephony.PreciseDisconnectCause;
import android.telephony.Rlog;
import android.telephony.ServiceState;
import android.telephony.SubscriptionManager;
import android.telephony.TelephonyManager;
import android.telephony.ims.ImsServiceProxy;
import android.telephony.ims.feature.ImsFeature;
import android.text.TextUtils;
import android.util.ArrayMap;
import android.util.Log;
import android.util.Pair;
import android.util.SparseIntArray;
import com.android.ims.ImsCall;
import com.android.ims.ImsCallProfile;
import com.android.ims.ImsConfig;
import com.android.ims.ImsConfigListener;
import com.android.ims.ImsConnectionStateListener;
import com.android.ims.ImsEcbm;
import com.android.ims.ImsException;
import com.android.ims.ImsManager;
import com.android.ims.ImsMultiEndpoint;
import com.android.ims.ImsReasonInfo;
import com.android.ims.ImsServiceClass;
import com.android.ims.ImsSuppServiceNotification;
import com.android.ims.ImsUtInterface;
import com.android.ims.internal.IImsVideoCallProvider;
import com.android.ims.internal.ImsVideoCallProviderWrapper;
import com.android.ims.internal.VideoPauseTracker;
import com.android.internal.annotations.VisibleForTesting;
import com.android.internal.os.SomeArgs;
import com.android.internal.telephony.Call;
import com.android.internal.telephony.CallStateException;
import com.android.internal.telephony.CallTracker;
import com.android.internal.telephony.CommandException;
import com.android.internal.telephony.CommandsInterface;
import com.android.internal.telephony.Connection;
import com.android.internal.telephony.Phone;
import com.android.internal.telephony.PhoneConstants;
import com.android.internal.telephony.TelephonyProperties;
import com.android.internal.telephony.dataconnection.DataEnabledSettings;
import com.android.internal.telephony.gsm.SuppServiceNotification;
import com.android.internal.telephony.metrics.TelephonyMetrics;
import com.android.internal.telephony.nano.TelephonyProto.ImsConnectionState;
import com.android.internal.telephony.nano.TelephonyProto.TelephonyCallSession;
import com.android.internal.telephony.nano.TelephonyProto.TelephonyCallSession.Event.ImsCommand;
import com.android.server.net.NetworkStatsService;
import java.io.FileDescriptor;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.concurrent.atomic.AtomicInteger;
import java.util.regex.Pattern;
/**
* {@hide}
*/
public class ImsPhoneCallTracker extends CallTracker implements ImsPullCall {
static final String LOG_TAG = "ImsPhoneCallTracker";
static final String VERBOSE_STATE_TAG = "IPCTState";
public interface PhoneStateListener {
void onPhoneStateChanged(PhoneConstants.State oldState, PhoneConstants.State newState);
}
public interface SharedPreferenceProxy {
SharedPreferences getDefaultSharedPreferences(Context context);
}
private static final boolean DBG = true;
// When true, dumps the state of ImsPhoneCallTracker after changes to foreground and background
// calls. This is helpful for debugging. It is also possible to enable this at runtime by
// setting the IPCTState log tag to VERBOSE.
private static final boolean FORCE_VERBOSE_STATE_LOGGING = false; /* stopship if true */
private static final boolean VERBOSE_STATE_LOGGING = FORCE_VERBOSE_STATE_LOGGING ||
Rlog.isLoggable(VERBOSE_STATE_TAG, Log.VERBOSE);
//Indices map to ImsConfig.FeatureConstants
private boolean[] mImsFeatureEnabled = {false, false, false, false, false, false};
private final String[] mImsFeatureStrings = {"VoLTE", "ViLTE", "VoWiFi", "ViWiFi",
"UTLTE", "UTWiFi"};
private TelephonyMetrics mMetrics;
private BroadcastReceiver mReceiver = new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent intent) {
if (intent.getAction().equals(ImsManager.ACTION_IMS_INCOMING_CALL)) {
if (DBG) log("onReceive : incoming call intent");
if (mImsManager == null) return;
if (mServiceId < 0) return;
try {
// Network initiated USSD will be treated by mImsUssdListener
boolean isUssd = intent.getBooleanExtra(ImsManager.EXTRA_USSD, false);
if (isUssd) {
if (DBG) log("onReceive : USSD");
mUssdSession = mImsManager.takeCall(mServiceId, intent, mImsUssdListener);
if (mUssdSession != null) {
mUssdSession.accept(ImsCallProfile.CALL_TYPE_VOICE);
}
return;
}
boolean isUnknown = intent.getBooleanExtra(ImsManager.EXTRA_IS_UNKNOWN_CALL,
false);
if (DBG) {
log("onReceive : isUnknown = " + isUnknown +
" fg = " + mForegroundCall.getState() +
" bg = " + mBackgroundCall.getState());
}
// Normal MT/Unknown call
ImsCall imsCall = mImsManager.takeCall(mServiceId, intent, mImsCallListener);
ImsPhoneConnection conn = new ImsPhoneConnection(mPhone, imsCall,
ImsPhoneCallTracker.this,
(isUnknown? mForegroundCall: mRingingCall), isUnknown);
// If there is an active call.
if (mForegroundCall.hasConnections()) {
ImsCall activeCall = mForegroundCall.getFirstConnection().getImsCall();
if (activeCall != null && imsCall != null) {
// activeCall could be null if the foreground call is in a disconnected
// state. If either of the calls is null there is no need to check if
// one will be disconnected on answer.
boolean answeringWillDisconnect =
shouldDisconnectActiveCallOnAnswer(activeCall, imsCall);
conn.setActiveCallDisconnectedOnAnswer(answeringWillDisconnect);
}
}
conn.setAllowAddCallDuringVideoCall(mAllowAddCallDuringVideoCall);
addConnection(conn);
setVideoCallProvider(conn, imsCall);
TelephonyMetrics.getInstance().writeOnImsCallReceive(mPhone.getPhoneId(),
imsCall.getSession());
if (isUnknown) {
mPhone.notifyUnknownConnection(conn);
} else {
if ((mForegroundCall.getState() != ImsPhoneCall.State.IDLE) ||
(mBackgroundCall.getState() != ImsPhoneCall.State.IDLE)) {
conn.update(imsCall, ImsPhoneCall.State.WAITING);
}
mPhone.notifyNewRingingConnection(conn);
mPhone.notifyIncomingRing();
}
updatePhoneState();
mPhone.notifyPreciseCallStateChanged();
} catch (ImsException e) {
loge("onReceive : exception " + e);
} catch (RemoteException e) {
}
} else if (intent.getAction().equals(
CarrierConfigManager.ACTION_CARRIER_CONFIG_CHANGED)) {
int subId = intent.getIntExtra(PhoneConstants.SUBSCRIPTION_KEY,
SubscriptionManager.INVALID_SUBSCRIPTION_ID);
if (subId == mPhone.getSubId()) {
cacheCarrierConfiguration(subId);
log("onReceive : Updating mAllowEmergencyVideoCalls = " +
mAllowEmergencyVideoCalls);
}
} else if (TelecomManager.ACTION_CHANGE_DEFAULT_DIALER.equals(intent.getAction())) {
mDefaultDialerUid.set(getPackageUid(context, intent.getStringExtra(
TelecomManager.EXTRA_CHANGE_DEFAULT_DIALER_PACKAGE_NAME)));
}
}
};
//***** Constants
static final int MAX_CONNECTIONS = 7;
static final int MAX_CONNECTIONS_PER_CALL = 5;
private static final int EVENT_HANGUP_PENDINGMO = 18;
private static final int EVENT_RESUME_BACKGROUND = 19;
private static final int EVENT_DIAL_PENDINGMO = 20;
private static final int EVENT_EXIT_ECBM_BEFORE_PENDINGMO = 21;
private static final int EVENT_VT_DATA_USAGE_UPDATE = 22;
private static final int EVENT_DATA_ENABLED_CHANGED = 23;
private static final int EVENT_GET_IMS_SERVICE = 24;
private static final int EVENT_CHECK_FOR_WIFI_HANDOVER = 25;
private static final int EVENT_ON_FEATURE_CAPABILITY_CHANGED = 26;
private static final int TIMEOUT_HANGUP_PENDINGMO = 500;
// Initial condition for ims connection retry.
private static final int IMS_RETRY_STARTING_TIMEOUT_MS = 500; // ms
// Ceiling bitshift amount for service query timeout, calculated as:
// 2^mImsServiceRetryCount * IMS_RETRY_STARTING_TIMEOUT_MS, where
// mImsServiceRetryCount ∊ [0, CEILING_SERVICE_RETRY_COUNT].
private static final int CEILING_SERVICE_RETRY_COUNT = 6;
private static final int HANDOVER_TO_WIFI_TIMEOUT_MS = 60000; // ms
//***** Instance Variables
private ArrayList<ImsPhoneConnection> mConnections = new ArrayList<ImsPhoneConnection>();
private RegistrantList mVoiceCallEndedRegistrants = new RegistrantList();
private RegistrantList mVoiceCallStartedRegistrants = new RegistrantList();
public ImsPhoneCall mRingingCall = new ImsPhoneCall(this, ImsPhoneCall.CONTEXT_RINGING);
public ImsPhoneCall mForegroundCall = new ImsPhoneCall(this,
ImsPhoneCall.CONTEXT_FOREGROUND);
public ImsPhoneCall mBackgroundCall = new ImsPhoneCall(this,
ImsPhoneCall.CONTEXT_BACKGROUND);
public ImsPhoneCall mHandoverCall = new ImsPhoneCall(this, ImsPhoneCall.CONTEXT_HANDOVER);
// Hold aggregated video call data usage for each video call since boot.
// The ImsCall's call id is the key of the map.
private final HashMap<Integer, Long> mVtDataUsageMap = new HashMap<>();
private volatile NetworkStats mVtDataUsageSnapshot = null;
private volatile NetworkStats mVtDataUsageUidSnapshot = null;
private final AtomicInteger mDefaultDialerUid = new AtomicInteger(NetworkStats.UID_ALL);
private ImsPhoneConnection mPendingMO;
private int mClirMode = CommandsInterface.CLIR_DEFAULT;
private Object mSyncHold = new Object();
private ImsCall mUssdSession = null;
private Message mPendingUssd = null;
ImsPhone mPhone;
private boolean mDesiredMute = false; // false = mute off
private boolean mOnHoldToneStarted = false;
private int mOnHoldToneId = -1;
private PhoneConstants.State mState = PhoneConstants.State.IDLE;
private int mImsServiceRetryCount;
private ImsManager mImsManager;
private int mServiceId = -1;
private Call.SrvccState mSrvccState = Call.SrvccState.NONE;
private boolean mIsInEmergencyCall = false;
private boolean mIsDataEnabled = false;
private int pendingCallClirMode;
private int mPendingCallVideoState;
private Bundle mPendingIntentExtras;
private boolean pendingCallInEcm = false;
private boolean mSwitchingFgAndBgCalls = false;
private ImsCall mCallExpectedToResume = null;
private boolean mAllowEmergencyVideoCalls = false;
private boolean mIgnoreDataEnabledChangedForVideoCalls = false;
/**
* Listeners to changes in the phone state. Intended for use by other interested IMS components
* without the need to register a full blown {@link android.telephony.PhoneStateListener}.
*/
private List<PhoneStateListener> mPhoneStateListeners = new ArrayList<>();
/**
* Carrier configuration option which determines if video calls which have been downgraded to an
* audio call should be treated as if they are still video calls.
*/
private boolean mTreatDowngradedVideoCallsAsVideoCalls = false;
/**
* Carrier configuration option which determines if an ongoing video call over wifi should be
* dropped when an audio call is answered.
*/
private boolean mDropVideoCallWhenAnsweringAudioCall = false;
/**
* Carrier configuration option which determines whether adding a call during a video call
* should be allowed.
*/
private boolean mAllowAddCallDuringVideoCall = true;
/**
* Carrier configuration option which determines whether to notify the connection if a handover
* to wifi fails.
*/
private boolean mNotifyVtHandoverToWifiFail = false;
/**
* Carrier configuration option which determines whether the carrier supports downgrading a
* TX/RX/TX-RX video call directly to an audio-only call.
*/
private boolean mSupportDowngradeVtToAudio = false;
/**
* Stores the mapping of {@code ImsReasonInfo#CODE_*} to {@code PreciseDisconnectCause#*}
*/
private static final SparseIntArray PRECISE_CAUSE_MAP = new SparseIntArray();
static {
PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOCAL_ILLEGAL_ARGUMENT,
PreciseDisconnectCause.LOCAL_ILLEGAL_ARGUMENT);
PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOCAL_ILLEGAL_STATE,
PreciseDisconnectCause.LOCAL_ILLEGAL_STATE);
PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOCAL_INTERNAL_ERROR,
PreciseDisconnectCause.LOCAL_INTERNAL_ERROR);
PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOCAL_IMS_SERVICE_DOWN,
PreciseDisconnectCause.LOCAL_IMS_SERVICE_DOWN);
PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOCAL_NO_PENDING_CALL,
PreciseDisconnectCause.LOCAL_NO_PENDING_CALL);
PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOCAL_ENDED_BY_CONFERENCE_MERGE,
PreciseDisconnectCause.NORMAL);
PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOCAL_POWER_OFF,
PreciseDisconnectCause.LOCAL_POWER_OFF);
PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOCAL_LOW_BATTERY,
PreciseDisconnectCause.LOCAL_LOW_BATTERY);
PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOCAL_NETWORK_NO_SERVICE,
PreciseDisconnectCause.LOCAL_NETWORK_NO_SERVICE);
PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOCAL_NETWORK_NO_LTE_COVERAGE,
PreciseDisconnectCause.LOCAL_NETWORK_NO_LTE_COVERAGE);
PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOCAL_NETWORK_ROAMING,
PreciseDisconnectCause.LOCAL_NETWORK_ROAMING);
PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOCAL_NETWORK_IP_CHANGED,
PreciseDisconnectCause.LOCAL_NETWORK_IP_CHANGED);
PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOCAL_SERVICE_UNAVAILABLE,
PreciseDisconnectCause.LOCAL_SERVICE_UNAVAILABLE);
PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOCAL_NOT_REGISTERED,
PreciseDisconnectCause.LOCAL_NOT_REGISTERED);
PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOCAL_CALL_EXCEEDED,
PreciseDisconnectCause.LOCAL_MAX_CALL_EXCEEDED);
PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOCAL_CALL_DECLINE,
PreciseDisconnectCause.LOCAL_CALL_DECLINE);
PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOCAL_CALL_VCC_ON_PROGRESSING,
PreciseDisconnectCause.LOCAL_CALL_VCC_ON_PROGRESSING);
PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOCAL_CALL_RESOURCE_RESERVATION_FAILED,
PreciseDisconnectCause.LOCAL_CALL_RESOURCE_RESERVATION_FAILED);
PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOCAL_CALL_CS_RETRY_REQUIRED,
PreciseDisconnectCause.LOCAL_CALL_CS_RETRY_REQUIRED);
PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOCAL_CALL_VOLTE_RETRY_REQUIRED,
PreciseDisconnectCause.LOCAL_CALL_VOLTE_RETRY_REQUIRED);
PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOCAL_CALL_TERMINATED,
PreciseDisconnectCause.LOCAL_CALL_TERMINATED);
PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOCAL_HO_NOT_FEASIBLE,
PreciseDisconnectCause.LOCAL_HO_NOT_FEASIBLE);
PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_TIMEOUT_1XX_WAITING,
PreciseDisconnectCause.TIMEOUT_1XX_WAITING);
PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_TIMEOUT_NO_ANSWER,
PreciseDisconnectCause.TIMEOUT_NO_ANSWER);
PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_TIMEOUT_NO_ANSWER_CALL_UPDATE,
PreciseDisconnectCause.TIMEOUT_NO_ANSWER_CALL_UPDATE);
PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_FDN_BLOCKED,
PreciseDisconnectCause.FDN_BLOCKED);
PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_SIP_REDIRECTED,
PreciseDisconnectCause.SIP_REDIRECTED);
PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_SIP_BAD_REQUEST,
PreciseDisconnectCause.SIP_BAD_REQUEST);
PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_SIP_FORBIDDEN,
PreciseDisconnectCause.SIP_FORBIDDEN);
PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_SIP_NOT_FOUND,
PreciseDisconnectCause.SIP_NOT_FOUND);
PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_SIP_NOT_SUPPORTED,
PreciseDisconnectCause.SIP_NOT_SUPPORTED);
PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_SIP_REQUEST_TIMEOUT,
PreciseDisconnectCause.SIP_REQUEST_TIMEOUT);
PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_SIP_TEMPRARILY_UNAVAILABLE,
PreciseDisconnectCause.SIP_TEMPRARILY_UNAVAILABLE);
PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_SIP_BAD_ADDRESS,
PreciseDisconnectCause.SIP_BAD_ADDRESS);
PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_SIP_BUSY,
PreciseDisconnectCause.SIP_BUSY);
PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_SIP_REQUEST_CANCELLED,
PreciseDisconnectCause.SIP_REQUEST_CANCELLED);
PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_SIP_NOT_ACCEPTABLE,
PreciseDisconnectCause.SIP_NOT_ACCEPTABLE);
PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_SIP_NOT_REACHABLE,
PreciseDisconnectCause.SIP_NOT_REACHABLE);
PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_SIP_CLIENT_ERROR,
PreciseDisconnectCause.SIP_CLIENT_ERROR);
PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_SIP_SERVER_INTERNAL_ERROR,
PreciseDisconnectCause.SIP_SERVER_INTERNAL_ERROR);
PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_SIP_SERVICE_UNAVAILABLE,
PreciseDisconnectCause.SIP_SERVICE_UNAVAILABLE);
PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_SIP_SERVER_TIMEOUT,
PreciseDisconnectCause.SIP_SERVER_TIMEOUT);
PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_SIP_SERVER_ERROR,
PreciseDisconnectCause.SIP_SERVER_ERROR);
PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_SIP_USER_REJECTED,
PreciseDisconnectCause.SIP_USER_REJECTED);
PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_SIP_GLOBAL_ERROR,
PreciseDisconnectCause.SIP_GLOBAL_ERROR);
PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_EMERGENCY_TEMP_FAILURE,
PreciseDisconnectCause.EMERGENCY_TEMP_FAILURE);
PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_EMERGENCY_PERM_FAILURE,
PreciseDisconnectCause.EMERGENCY_PERM_FAILURE);
PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_MEDIA_INIT_FAILED,
PreciseDisconnectCause.MEDIA_INIT_FAILED);
PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_MEDIA_NO_DATA,
PreciseDisconnectCause.MEDIA_NO_DATA);
PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_MEDIA_NOT_ACCEPTABLE,
PreciseDisconnectCause.MEDIA_NOT_ACCEPTABLE);
PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_MEDIA_UNSPECIFIED,
PreciseDisconnectCause.MEDIA_UNSPECIFIED);
PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_USER_TERMINATED,
PreciseDisconnectCause.USER_TERMINATED);
PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_USER_NOANSWER,
PreciseDisconnectCause.USER_NOANSWER);
PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_USER_IGNORE,
PreciseDisconnectCause.USER_IGNORE);
PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_USER_DECLINE,
PreciseDisconnectCause.USER_DECLINE);
PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOW_BATTERY,
PreciseDisconnectCause.LOW_BATTERY);
PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_BLACKLISTED_CALL_ID,
PreciseDisconnectCause.BLACKLISTED_CALL_ID);
PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_USER_TERMINATED_BY_REMOTE,
PreciseDisconnectCause.USER_TERMINATED_BY_REMOTE);
PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_UT_NOT_SUPPORTED,
PreciseDisconnectCause.UT_NOT_SUPPORTED);
PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_UT_SERVICE_UNAVAILABLE,
PreciseDisconnectCause.UT_SERVICE_UNAVAILABLE);
PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_UT_OPERATION_NOT_ALLOWED,
PreciseDisconnectCause.UT_OPERATION_NOT_ALLOWED);
PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_UT_NETWORK_ERROR,
PreciseDisconnectCause.UT_NETWORK_ERROR);
PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_UT_CB_PASSWORD_MISMATCH,
PreciseDisconnectCause.UT_CB_PASSWORD_MISMATCH);
PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_ECBM_NOT_SUPPORTED,
PreciseDisconnectCause.ECBM_NOT_SUPPORTED);
PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_MULTIENDPOINT_NOT_SUPPORTED,
PreciseDisconnectCause.MULTIENDPOINT_NOT_SUPPORTED);
PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_CALL_DROP_IWLAN_TO_LTE_UNAVAILABLE,
PreciseDisconnectCause.CALL_DROP_IWLAN_TO_LTE_UNAVAILABLE);
PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_ANSWERED_ELSEWHERE,
PreciseDisconnectCause.ANSWERED_ELSEWHERE);
PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_CALL_PULL_OUT_OF_SYNC,
PreciseDisconnectCause.CALL_PULL_OUT_OF_SYNC);
PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_CALL_END_CAUSE_CALL_PULL,
PreciseDisconnectCause.CALL_PULLED);
PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_SUPP_SVC_FAILED,
PreciseDisconnectCause.SUPP_SVC_FAILED);
PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_SUPP_SVC_CANCELLED,
PreciseDisconnectCause.SUPP_SVC_CANCELLED);
PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_SUPP_SVC_REINVITE_COLLISION,
PreciseDisconnectCause.SUPP_SVC_REINVITE_COLLISION);
PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_IWLAN_DPD_FAILURE,
PreciseDisconnectCause.IWLAN_DPD_FAILURE);
PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_EPDG_TUNNEL_ESTABLISH_FAILURE,
PreciseDisconnectCause.EPDG_TUNNEL_ESTABLISH_FAILURE);
PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_EPDG_TUNNEL_REKEY_FAILURE,
PreciseDisconnectCause.EPDG_TUNNEL_REKEY_FAILURE);
PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_EPDG_TUNNEL_LOST_CONNECTION,
PreciseDisconnectCause.EPDG_TUNNEL_LOST_CONNECTION);
PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_MAXIMUM_NUMBER_OF_CALLS_REACHED,
PreciseDisconnectCause.MAXIMUM_NUMBER_OF_CALLS_REACHED);
PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_REMOTE_CALL_DECLINE,
PreciseDisconnectCause.REMOTE_CALL_DECLINE);
PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_DATA_LIMIT_REACHED,
PreciseDisconnectCause.DATA_LIMIT_REACHED);
PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_DATA_DISABLED,
PreciseDisconnectCause.DATA_DISABLED);
PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_WIFI_LOST,
PreciseDisconnectCause.WIFI_LOST);
PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_RADIO_OFF,
PreciseDisconnectCause.RADIO_OFF);
PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_NO_VALID_SIM,
PreciseDisconnectCause.NO_VALID_SIM);
PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_RADIO_INTERNAL_ERROR,
PreciseDisconnectCause.RADIO_INTERNAL_ERROR);
PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_NETWORK_RESP_TIMEOUT,
PreciseDisconnectCause.NETWORK_RESP_TIMEOUT);
PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_NETWORK_REJECT,
PreciseDisconnectCause.NETWORK_REJECT);
PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_RADIO_ACCESS_FAILURE,
PreciseDisconnectCause.RADIO_ACCESS_FAILURE);
PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_RADIO_LINK_FAILURE,
PreciseDisconnectCause.RADIO_LINK_FAILURE);
PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_RADIO_LINK_LOST,
PreciseDisconnectCause.RADIO_LINK_LOST);
PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_RADIO_UPLINK_FAILURE,
PreciseDisconnectCause.RADIO_UPLINK_FAILURE);
PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_RADIO_SETUP_FAILURE,
PreciseDisconnectCause.RADIO_SETUP_FAILURE);
PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_RADIO_RELEASE_NORMAL,
PreciseDisconnectCause.RADIO_RELEASE_NORMAL);
PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_RADIO_RELEASE_ABNORMAL,
PreciseDisconnectCause.RADIO_RELEASE_ABNORMAL);
PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_ACCESS_CLASS_BLOCKED,
PreciseDisconnectCause.ACCESS_CLASS_BLOCKED);
PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_NETWORK_DETACH,
PreciseDisconnectCause.NETWORK_DETACH);
PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_OEM_CAUSE_1,
PreciseDisconnectCause.OEM_CAUSE_1);
PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_OEM_CAUSE_2,
PreciseDisconnectCause.OEM_CAUSE_2);
PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_OEM_CAUSE_3,
PreciseDisconnectCause.OEM_CAUSE_3);
PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_OEM_CAUSE_4,
PreciseDisconnectCause.OEM_CAUSE_4);
PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_OEM_CAUSE_5,
PreciseDisconnectCause.OEM_CAUSE_5);
PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_OEM_CAUSE_6,
PreciseDisconnectCause.OEM_CAUSE_6);
PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_OEM_CAUSE_7,
PreciseDisconnectCause.OEM_CAUSE_7);
PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_OEM_CAUSE_8,
PreciseDisconnectCause.OEM_CAUSE_8);
PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_OEM_CAUSE_9,
PreciseDisconnectCause.OEM_CAUSE_9);
PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_OEM_CAUSE_10,
PreciseDisconnectCause.OEM_CAUSE_10);
PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_OEM_CAUSE_11,
PreciseDisconnectCause.OEM_CAUSE_11);
PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_OEM_CAUSE_12,
PreciseDisconnectCause.OEM_CAUSE_12);
PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_OEM_CAUSE_13,
PreciseDisconnectCause.OEM_CAUSE_13);
PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_OEM_CAUSE_14,
PreciseDisconnectCause.OEM_CAUSE_14);
PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_OEM_CAUSE_15,
PreciseDisconnectCause.OEM_CAUSE_15);
}
/**
* Carrier configuration option which determines whether the carrier wants to inform the user
* when a video call is handed over from WIFI to LTE.
* See {@link CarrierConfigManager#KEY_NOTIFY_HANDOVER_VIDEO_FROM_WIFI_TO_LTE_BOOL} for more
* information.
*/
private boolean mNotifyHandoverVideoFromWifiToLTE = false;
/**
* Carrier configuration option which determines whether the carrier supports the
* {@link VideoProfile#STATE_PAUSED} signalling.
* See {@link CarrierConfigManager#KEY_SUPPORT_PAUSE_IMS_VIDEO_CALLS_BOOL} for more information.
*/
private boolean mSupportPauseVideo = false;
/**
* Carrier configuration option which defines a mapping from pairs of
* {@link ImsReasonInfo#getCode()} and {@link ImsReasonInfo#getExtraMessage()} values to a new
* {@code ImsReasonInfo#CODE_*} value.
*
* See {@link CarrierConfigManager#KEY_IMS_REASONINFO_MAPPING_STRING_ARRAY}.
*/
private Map<Pair<Integer, String>, Integer> mImsReasonCodeMap = new ArrayMap<>();
/**
* TODO: Remove this code; it is a workaround.
* When {@code true}, forces {@link ImsManager#updateImsServiceConfig(Context, int, boolean)} to
* be called when an ongoing video call is disconnected. In some cases, where video pause is
* supported by the carrier, when {@link #onDataEnabledChanged(boolean, int)} reports that data
* has been disabled we will pause the video rather than disconnecting the call. When this
* happens we need to prevent the IMS service config from being updated, as this will cause VT
* to be disabled mid-call, resulting in an inability to un-pause the video.
*/
private boolean mShouldUpdateImsConfigOnDisconnect = false;
/**
* Default implementation for retrieving shared preferences; uses the actual PreferencesManager.
*/
private SharedPreferenceProxy mSharedPreferenceProxy = (Context context) -> {
return PreferenceManager.getDefaultSharedPreferences(context);
};
// Callback fires when ImsManager MMTel Feature changes state
private ImsServiceProxy.INotifyStatusChanged mNotifyStatusChangedCallback = () -> {
try {
int status = mImsManager.getImsServiceStatus();
log("Status Changed: " + status);
switch(status) {
case ImsFeature.STATE_READY: {
startListeningForCalls();
break;
}
case ImsFeature.STATE_INITIALIZING:
// fall through
case ImsFeature.STATE_NOT_AVAILABLE: {
stopListeningForCalls();
break;
}
default: {
Log.w(LOG_TAG, "Unexpected State!");
}
}
} catch (ImsException e) {
// Could not get the ImsService, retry!
retryGetImsService();
}
};
@VisibleForTesting
public interface IRetryTimeout {
int get();
}
/**
* Default implementation of interface that calculates the ImsService retry timeout.
* Override-able for testing.
*/
@VisibleForTesting
public IRetryTimeout mRetryTimeout = () -> {
int timeout = (1 << mImsServiceRetryCount) * IMS_RETRY_STARTING_TIMEOUT_MS;
if (mImsServiceRetryCount <= CEILING_SERVICE_RETRY_COUNT) {
mImsServiceRetryCount++;
}
return timeout;
};
//***** Events
//***** Constructors
public ImsPhoneCallTracker(ImsPhone phone) {
this.mPhone = phone;
mMetrics = TelephonyMetrics.getInstance();
IntentFilter intentfilter = new IntentFilter();
intentfilter.addAction(ImsManager.ACTION_IMS_INCOMING_CALL);
intentfilter.addAction(CarrierConfigManager.ACTION_CARRIER_CONFIG_CHANGED);
intentfilter.addAction(TelecomManager.ACTION_CHANGE_DEFAULT_DIALER);
mPhone.getContext().registerReceiver(mReceiver, intentfilter);
cacheCarrierConfiguration(mPhone.getSubId());
mPhone.getDefaultPhone().registerForDataEnabledChanged(
this, EVENT_DATA_ENABLED_CHANGED, null);
mImsServiceRetryCount = 0;
final TelecomManager telecomManager =
(TelecomManager) mPhone.getContext().getSystemService(Context.TELECOM_SERVICE);
mDefaultDialerUid.set(
getPackageUid(mPhone.getContext(), telecomManager.getDefaultDialerPackage()));
long currentTime = SystemClock.elapsedRealtime();
mVtDataUsageSnapshot = new NetworkStats(currentTime, 1);
mVtDataUsageUidSnapshot = new NetworkStats(currentTime, 1);
// Send a message to connect to the Ims Service and open a connection through
// getImsService().
sendEmptyMessage(EVENT_GET_IMS_SERVICE);
}
/**
* Test-only method used to mock out access to the shared preferences through the
* {@link PreferenceManager}.
* @param sharedPreferenceProxy
*/
@VisibleForTesting
public void setSharedPreferenceProxy(SharedPreferenceProxy sharedPreferenceProxy) {
mSharedPreferenceProxy = sharedPreferenceProxy;
}
private int getPackageUid(Context context, String pkg) {
if (pkg == null) {
return NetworkStats.UID_ALL;
}
int uid = NetworkStats.UID_ALL;
try {
uid = context.getPackageManager().getPackageUid(pkg, 0);
} catch (PackageManager.NameNotFoundException e) {
loge("Cannot find package uid. pkg = " + pkg);
}
return uid;
}
private PendingIntent createIncomingCallPendingIntent() {
Intent intent = new Intent(ImsManager.ACTION_IMS_INCOMING_CALL);
intent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND);
return PendingIntent.getBroadcast(mPhone.getContext(), 0, intent,
PendingIntent.FLAG_UPDATE_CURRENT);
}
private void getImsService() throws ImsException {
if (DBG) log("getImsService");
mImsManager = ImsManager.getInstance(mPhone.getContext(), mPhone.getPhoneId());
// Adding to set, will be safe adding multiple times. If the ImsService is not active yet,
// this method will throw an ImsException.
mImsManager.addNotifyStatusChangedCallbackIfAvailable(mNotifyStatusChangedCallback);
// Wait for ImsService.STATE_READY to start listening for calls.
// Call the callback right away for compatibility with older devices that do not use states.
mNotifyStatusChangedCallback.notifyStatusChanged();
}
private void startListeningForCalls() throws ImsException {
mImsServiceRetryCount = 0;
mServiceId = mImsManager.open(ImsServiceClass.MMTEL,
createIncomingCallPendingIntent(),
mImsConnectionStateListener);
mImsManager.setImsConfigListener(mImsConfigListener);
// Get the ECBM interface and set IMSPhone's listener object for notifications
getEcbmInterface().setEcbmStateListener(mPhone.getImsEcbmStateListener());
if (mPhone.isInEcm()) {
// Call exit ECBM which will invoke onECBMExited
mPhone.exitEmergencyCallbackMode();
}
int mPreferredTtyMode = Settings.Secure.getInt(
mPhone.getContext().getContentResolver(),
Settings.Secure.PREFERRED_TTY_MODE,
Phone.TTY_MODE_OFF);
mImsManager.setUiTTYMode(mPhone.getContext(), mPreferredTtyMode, null);
ImsMultiEndpoint multiEndpoint = getMultiEndpointInterface();
if (multiEndpoint != null) {
multiEndpoint.setExternalCallStateListener(
mPhone.getExternalCallTracker().getExternalCallStateListener());
}
}
private void stopListeningForCalls() {
try {
// Only close on valid session.
if (mImsManager != null && mServiceId > 0) {
mImsManager.close(mServiceId);
mServiceId = -1;
}
} catch (ImsException e) {
// If the binder is unavailable, then the ImsService doesn't need to close.
}
}
public void dispose() {
if (DBG) log("dispose");
mRingingCall.dispose();
mBackgroundCall.dispose();
mForegroundCall.dispose();
mHandoverCall.dispose();
clearDisconnected();
mPhone.getContext().unregisterReceiver(mReceiver);
mPhone.getDefaultPhone().unregisterForDataEnabledChanged(this);
removeMessages(EVENT_GET_IMS_SERVICE);
}
@Override
protected void finalize() {
log("ImsPhoneCallTracker finalized");
}
//***** Instance Methods
//***** Public Methods
@Override
public void registerForVoiceCallStarted(Handler h, int what, Object obj) {
Registrant r = new Registrant(h, what, obj);
mVoiceCallStartedRegistrants.add(r);
}
@Override
public void unregisterForVoiceCallStarted(Handler h) {
mVoiceCallStartedRegistrants.remove(h);
}
@Override
public void registerForVoiceCallEnded(Handler h, int what, Object obj) {
Registrant r = new Registrant(h, what, obj);
mVoiceCallEndedRegistrants.add(r);
}
@Override
public void unregisterForVoiceCallEnded(Handler h) {
mVoiceCallEndedRegistrants.remove(h);
}
public Connection dial(String dialString, int videoState, Bundle intentExtras) throws
CallStateException {
int oirMode;
if (mSharedPreferenceProxy != null && mPhone.getDefaultPhone() != null) {
SharedPreferences sp = mSharedPreferenceProxy.getDefaultSharedPreferences(
mPhone.getContext());
oirMode = sp.getInt(Phone.CLIR_KEY + mPhone.getDefaultPhone().getPhoneId(),
CommandsInterface.CLIR_DEFAULT);
} else {
loge("dial; could not get default CLIR mode.");
oirMode = CommandsInterface.CLIR_DEFAULT;
}
return dial(dialString, oirMode, videoState, intentExtras);
}
/**
* oirMode is one of the CLIR_ constants
*/
synchronized Connection
dial(String dialString, int clirMode, int videoState, Bundle intentExtras)
throws CallStateException {
boolean isPhoneInEcmMode = isPhoneInEcbMode();
boolean isEmergencyNumber = PhoneNumberUtils.isEmergencyNumber(dialString);
if (DBG) log("dial clirMode=" + clirMode);
// note that this triggers call state changed notif
clearDisconnected();
if (mImsManager == null) {
throw new CallStateException("service not available");
}
if (!canDial()) {
throw new CallStateException("cannot dial in current state");
}
if (isPhoneInEcmMode && isEmergencyNumber) {
handleEcmTimer(ImsPhone.CANCEL_ECM_TIMER);
}
// If the call is to an emergency number and the carrier does not support video emergency
// calls, dial as an audio-only call.
if (isEmergencyNumber && VideoProfile.isVideo(videoState) &&
!mAllowEmergencyVideoCalls) {
loge("dial: carrier does not support video emergency calls; downgrade to audio-only");
videoState = VideoProfile.STATE_AUDIO_ONLY;
}
boolean holdBeforeDial = false;
// The new call must be assigned to the foreground call.
// That call must be idle, so place anything that's
// there on hold
if (mForegroundCall.getState() == ImsPhoneCall.State.ACTIVE) {
if (mBackgroundCall.getState() != ImsPhoneCall.State.IDLE) {
//we should have failed in !canDial() above before we get here
throw new CallStateException("cannot dial in current state");
}
// foreground call is empty for the newly dialed connection
holdBeforeDial = true;
// Cache the video state for pending MO call.
mPendingCallVideoState = videoState;
mPendingIntentExtras = intentExtras;
switchWaitingOrHoldingAndActive();
}
ImsPhoneCall.State fgState = ImsPhoneCall.State.IDLE;
ImsPhoneCall.State bgState = ImsPhoneCall.State.IDLE;
mClirMode = clirMode;
synchronized (mSyncHold) {
if (holdBeforeDial) {
fgState = mForegroundCall.getState();
bgState = mBackgroundCall.getState();
//holding foreground call failed
if (fgState == ImsPhoneCall.State.ACTIVE) {
throw new CallStateException("cannot dial in current state");
}
//holding foreground call succeeded
if (bgState == ImsPhoneCall.State.HOLDING) {
holdBeforeDial = false;
}
}
mPendingMO = new ImsPhoneConnection(mPhone,
checkForTestEmergencyNumber(dialString), this, mForegroundCall,
isEmergencyNumber);
mPendingMO.setVideoState(videoState);
}
addConnection(mPendingMO);
if (!holdBeforeDial) {
if ((!isPhoneInEcmMode) || (isPhoneInEcmMode && isEmergencyNumber)) {
dialInternal(mPendingMO, clirMode, videoState, intentExtras);
} else {
try {
getEcbmInterface().exitEmergencyCallbackMode();
} catch (ImsException e) {
e.printStackTrace();
throw new CallStateException("service not available");
}
mPhone.setOnEcbModeExitResponse(this, EVENT_EXIT_ECM_RESPONSE_CDMA, null);
pendingCallClirMode = clirMode;
mPendingCallVideoState = videoState;
pendingCallInEcm = true;
}
}
updatePhoneState();
mPhone.notifyPreciseCallStateChanged();
return mPendingMO;
}
boolean isImsServiceReady() {
if (mImsManager == null) {
return false;
}
return mImsManager.isServiceAvailable();
}
/**
* Caches frequently used carrier configuration items locally.
*
* @param subId The sub id.
*/
private void cacheCarrierConfiguration(int subId) {
CarrierConfigManager carrierConfigManager = (CarrierConfigManager)
mPhone.getContext().getSystemService(Context.CARRIER_CONFIG_SERVICE);
if (carrierConfigManager == null) {
loge("cacheCarrierConfiguration: No carrier config service found.");
return;
}
PersistableBundle carrierConfig = carrierConfigManager.getConfigForSubId(subId);
if (carrierConfig == null) {
loge("cacheCarrierConfiguration: Empty carrier config.");
return;
}
mAllowEmergencyVideoCalls =
carrierConfig.getBoolean(CarrierConfigManager.KEY_ALLOW_EMERGENCY_VIDEO_CALLS_BOOL);
mTreatDowngradedVideoCallsAsVideoCalls =
carrierConfig.getBoolean(
CarrierConfigManager.KEY_TREAT_DOWNGRADED_VIDEO_CALLS_AS_VIDEO_CALLS_BOOL);
mDropVideoCallWhenAnsweringAudioCall =
carrierConfig.getBoolean(
CarrierConfigManager.KEY_DROP_VIDEO_CALL_WHEN_ANSWERING_AUDIO_CALL_BOOL);
mAllowAddCallDuringVideoCall =
carrierConfig.getBoolean(
CarrierConfigManager.KEY_ALLOW_ADD_CALL_DURING_VIDEO_CALL_BOOL);
mNotifyVtHandoverToWifiFail = carrierConfig.getBoolean(
CarrierConfigManager.KEY_NOTIFY_VT_HANDOVER_TO_WIFI_FAILURE_BOOL);
mSupportDowngradeVtToAudio = carrierConfig.getBoolean(
CarrierConfigManager.KEY_SUPPORT_DOWNGRADE_VT_TO_AUDIO_BOOL);
mNotifyHandoverVideoFromWifiToLTE = carrierConfig.getBoolean(
CarrierConfigManager.KEY_NOTIFY_VT_HANDOVER_TO_WIFI_FAILURE_BOOL);
mIgnoreDataEnabledChangedForVideoCalls = carrierConfig.getBoolean(
CarrierConfigManager.KEY_IGNORE_DATA_ENABLED_CHANGED_FOR_VIDEO_CALLS);
mSupportPauseVideo = carrierConfig.getBoolean(
CarrierConfigManager.KEY_SUPPORT_PAUSE_IMS_VIDEO_CALLS_BOOL);
String[] mappings = carrierConfig
.getStringArray(CarrierConfigManager.KEY_IMS_REASONINFO_MAPPING_STRING_ARRAY);
if (mappings != null && mappings.length > 0) {
for (String mapping : mappings) {
String[] values = mapping.split(Pattern.quote("|"));
if (values.length != 3) {
continue;
}
try {
Integer fromCode;
if (values[0].equals("*")) {
fromCode = null;
} else {
fromCode = Integer.parseInt(values[0]);
}
String message = values[1];
int toCode = Integer.parseInt(values[2]);
addReasonCodeRemapping(fromCode, message, toCode);
log("Loaded ImsReasonInfo mapping : fromCode = " +
fromCode == null ? "any" : fromCode + " ; message = " +
message + " ; toCode = " + toCode);
} catch (NumberFormatException nfe) {
loge("Invalid ImsReasonInfo mapping found: " + mapping);
}
}
} else {
log("No carrier ImsReasonInfo mappings defined.");
}
}
private void handleEcmTimer(int action) {
mPhone.handleTimerInEmergencyCallbackMode(action);
switch (action) {
case ImsPhone.CANCEL_ECM_TIMER:
break;
case ImsPhone.RESTART_ECM_TIMER:
break;
default:
log("handleEcmTimer, unsupported action " + action);
}
}
private void dialInternal(ImsPhoneConnection conn, int clirMode, int videoState,
Bundle intentExtras) {
if (conn == null) {
return;
}
if (conn.getAddress()== null || conn.getAddress().length() == 0
|| conn.getAddress().indexOf(PhoneNumberUtils.WILD) >= 0) {
// Phone number is invalid
conn.setDisconnectCause(DisconnectCause.INVALID_NUMBER);
sendEmptyMessageDelayed(EVENT_HANGUP_PENDINGMO, TIMEOUT_HANGUP_PENDINGMO);
return;
}
// Always unmute when initiating a new call
setMute(false);
int serviceType = PhoneNumberUtils.isEmergencyNumber(conn.getAddress()) ?
ImsCallProfile.SERVICE_TYPE_EMERGENCY : ImsCallProfile.SERVICE_TYPE_NORMAL;
int callType = ImsCallProfile.getCallTypeFromVideoState(videoState);
//TODO(vt): Is this sufficient? At what point do we know the video state of the call?
conn.setVideoState(videoState);
try {
String[] callees = new String[] { conn.getAddress() };
ImsCallProfile profile = mImsManager.createCallProfile(mServiceId,
serviceType, callType);
profile.setCallExtraInt(ImsCallProfile.EXTRA_OIR, clirMode);
// Translate call subject intent-extra from Telecom-specific extra key to the
// ImsCallProfile key.
if (intentExtras != null) {
if (intentExtras.containsKey(android.telecom.TelecomManager.EXTRA_CALL_SUBJECT)) {
intentExtras.putString(ImsCallProfile.EXTRA_DISPLAY_TEXT,
cleanseInstantLetteringMessage(intentExtras.getString(
android.telecom.TelecomManager.EXTRA_CALL_SUBJECT))
);
}
if (intentExtras.containsKey(ImsCallProfile.EXTRA_IS_CALL_PULL)) {
profile.mCallExtras.putBoolean(ImsCallProfile.EXTRA_IS_CALL_PULL,
intentExtras.getBoolean(ImsCallProfile.EXTRA_IS_CALL_PULL));
int dialogId = intentExtras.getInt(
ImsExternalCallTracker.EXTRA_IMS_EXTERNAL_CALL_ID);
conn.setIsPulledCall(true);
conn.setPulledDialogId(dialogId);
}
// Pack the OEM-specific call extras.
profile.mCallExtras.putBundle(ImsCallProfile.EXTRA_OEM_EXTRAS, intentExtras);
// NOTE: Extras to be sent over the network are packed into the
// intentExtras individually, with uniquely defined keys.
// These key-value pairs are processed by IMS Service before
// being sent to the lower layers/to the network.
}
ImsCall imsCall = mImsManager.makeCall(mServiceId, profile,
callees, mImsCallListener);
conn.setImsCall(imsCall);
mMetrics.writeOnImsCallStart(mPhone.getPhoneId(),
imsCall.getSession());
setVideoCallProvider(conn, imsCall);
conn.setAllowAddCallDuringVideoCall(mAllowAddCallDuringVideoCall);
} catch (ImsException e) {
loge("dialInternal : " + e);
conn.setDisconnectCause(DisconnectCause.ERROR_UNSPECIFIED);
sendEmptyMessageDelayed(EVENT_HANGUP_PENDINGMO, TIMEOUT_HANGUP_PENDINGMO);
retryGetImsService();
} catch (RemoteException e) {
}
}
/**
* Accepts a call with the specified video state. The video state is the video state that the
* user has agreed upon in the InCall UI.
*
* @param videoState The video State
* @throws CallStateException
*/
public void acceptCall (int videoState) throws CallStateException {
if (DBG) log("acceptCall");
if (mForegroundCall.getState().isAlive()
&& mBackgroundCall.getState().isAlive()) {
throw new CallStateException("cannot accept call");
}
if ((mRingingCall.getState() == ImsPhoneCall.State.WAITING)
&& mForegroundCall.getState().isAlive()) {
setMute(false);
boolean answeringWillDisconnect = false;
ImsCall activeCall = mForegroundCall.getImsCall();
ImsCall ringingCall = mRingingCall.getImsCall();
if (mForegroundCall.hasConnections() && mRingingCall.hasConnections()) {
answeringWillDisconnect =
shouldDisconnectActiveCallOnAnswer(activeCall, ringingCall);
}
// Cache video state for pending MT call.
mPendingCallVideoState = videoState;
if (answeringWillDisconnect) {
// We need to disconnect the foreground call before answering the background call.
mForegroundCall.hangup();
try {
ringingCall.accept(ImsCallProfile.getCallTypeFromVideoState(videoState));
} catch (ImsException e) {
throw new CallStateException("cannot accept call");
}
} else {
switchWaitingOrHoldingAndActive();
}
} else if (mRingingCall.getState().isRinging()) {
if (DBG) log("acceptCall: incoming...");
// Always unmute when answering a new call
setMute(false);
try {
ImsCall imsCall = mRingingCall.getImsCall();
if (imsCall != null) {
imsCall.accept(ImsCallProfile.getCallTypeFromVideoState(videoState));
mMetrics.writeOnImsCommand(mPhone.getPhoneId(), imsCall.getSession(),
ImsCommand.IMS_CMD_ACCEPT);
} else {
throw new CallStateException("no valid ims call");
}
} catch (ImsException e) {
throw new CallStateException("cannot accept call");
}
} else {
throw new CallStateException("phone not ringing");
}
}
public void rejectCall () throws CallStateException {
if (DBG) log("rejectCall");
if (mRingingCall.getState().isRinging()) {
hangup(mRingingCall);
} else {
throw new CallStateException("phone not ringing");
}
}
private void switchAfterConferenceSuccess() {
if (DBG) log("switchAfterConferenceSuccess fg =" + mForegroundCall.getState() +
", bg = " + mBackgroundCall.getState());
if (mBackgroundCall.getState() == ImsPhoneCall.State.HOLDING) {
log("switchAfterConferenceSuccess");
mForegroundCall.switchWith(mBackgroundCall);
}
}
public void switchWaitingOrHoldingAndActive() throws CallStateException {
if (DBG) log("switchWaitingOrHoldingAndActive");
if (mRingingCall.getState() == ImsPhoneCall.State.INCOMING) {
throw new CallStateException("cannot be in the incoming state");
}
if (mForegroundCall.getState() == ImsPhoneCall.State.ACTIVE) {
ImsCall imsCall = mForegroundCall.getImsCall();
if (imsCall == null) {
throw new CallStateException("no ims call");
}
// Swap the ImsCalls pointed to by the foreground and background ImsPhoneCalls.
// If hold or resume later fails, we will swap them back.
boolean switchingWithWaitingCall = !mBackgroundCall.getState().isAlive() &&
mRingingCall != null &&
mRingingCall.getState() == ImsPhoneCall.State.WAITING;
mSwitchingFgAndBgCalls = true;
if (switchingWithWaitingCall) {
mCallExpectedToResume = mRingingCall.getImsCall();
} else {
mCallExpectedToResume = mBackgroundCall.getImsCall();
}
mForegroundCall.switchWith(mBackgroundCall);
// Hold the foreground call; once the foreground call is held, the background call will
// be resumed.
try {
imsCall.hold();
mMetrics.writeOnImsCommand(mPhone.getPhoneId(), imsCall.getSession(),
ImsCommand.IMS_CMD_HOLD);
// If there is no background call to resume, then don't expect there to be a switch.
if (mCallExpectedToResume == null) {
log("mCallExpectedToResume is null");
mSwitchingFgAndBgCalls = false;
}
} catch (ImsException e) {
mForegroundCall.switchWith(mBackgroundCall);
throw new CallStateException(e.getMessage());
}
} else if (mBackgroundCall.getState() == ImsPhoneCall.State.HOLDING) {
resumeWaitingOrHolding();
}
}
public void
conference() {
ImsCall fgImsCall = mForegroundCall.getImsCall();
if (fgImsCall == null) {
log("conference no foreground ims call");
return;
}
ImsCall bgImsCall = mBackgroundCall.getImsCall();
if (bgImsCall == null) {
log("conference no background ims call");
return;
}
if (fgImsCall.isCallSessionMergePending()) {
log("conference: skip; foreground call already in process of merging.");
return;
}
if (bgImsCall.isCallSessionMergePending()) {
log("conference: skip; background call already in process of merging.");
return;
}
// Keep track of the connect time of the earliest call so that it can be set on the
// {@code ImsConference} when it is created.
long foregroundConnectTime = mForegroundCall.getEarliestConnectTime();
long backgroundConnectTime = mBackgroundCall.getEarliestConnectTime();
long conferenceConnectTime;
if (foregroundConnectTime > 0 && backgroundConnectTime > 0) {
conferenceConnectTime = Math.min(mForegroundCall.getEarliestConnectTime(),
mBackgroundCall.getEarliestConnectTime());
log("conference - using connect time = " + conferenceConnectTime);
} else if (foregroundConnectTime > 0) {
log("conference - bg call connect time is 0; using fg = " + foregroundConnectTime);
conferenceConnectTime = foregroundConnectTime;
} else {
log("conference - fg call connect time is 0; using bg = " + backgroundConnectTime);
conferenceConnectTime = backgroundConnectTime;
}
String foregroundId = "";
ImsPhoneConnection foregroundConnection = mForegroundCall.getFirstConnection();
if (foregroundConnection != null) {
foregroundConnection.setConferenceConnectTime(conferenceConnectTime);
foregroundConnection.handleMergeStart();
foregroundId = foregroundConnection.getTelecomCallId();
}
String backgroundId = "";
ImsPhoneConnection backgroundConnection = findConnection(bgImsCall);
if (backgroundConnection != null) {
backgroundConnection.handleMergeStart();
backgroundId = backgroundConnection.getTelecomCallId();
}
log("conference: fgCallId=" + foregroundId + ", bgCallId=" + backgroundId);
try {
fgImsCall.merge(bgImsCall);
} catch (ImsException e) {
log("conference " + e.getMessage());
}
}
public void
explicitCallTransfer() {
//TODO : implement
}
public void
clearDisconnected() {
if (DBG) log("clearDisconnected");
internalClearDisconnected();
updatePhoneState();
mPhone.notifyPreciseCallStateChanged();
}
public boolean
canConference() {
return mForegroundCall.getState() == ImsPhoneCall.State.ACTIVE
&& mBackgroundCall.getState() == ImsPhoneCall.State.HOLDING
&& !mBackgroundCall.isFull()
&& !mForegroundCall.isFull();
}
public boolean canDial() {
boolean ret;
String disableCall = SystemProperties.get(
TelephonyProperties.PROPERTY_DISABLE_CALL, "false");
ret = mPendingMO == null
&& !mRingingCall.isRinging()
&& !disableCall.equals("true")
&& (!mForegroundCall.getState().isAlive()
|| !mBackgroundCall.getState().isAlive());
return ret;
}
public boolean
canTransfer() {
return mForegroundCall.getState() == ImsPhoneCall.State.ACTIVE
&& mBackgroundCall.getState() == ImsPhoneCall.State.HOLDING;
}
//***** Private Instance Methods
private void
internalClearDisconnected() {
mRingingCall.clearDisconnected();
mForegroundCall.clearDisconnected();
mBackgroundCall.clearDisconnected();
mHandoverCall.clearDisconnected();
}
private void
updatePhoneState() {
PhoneConstants.State oldState = mState;
boolean isPendingMOIdle = mPendingMO == null || !mPendingMO.getState().isAlive();
if (mRingingCall.isRinging()) {
mState = PhoneConstants.State.RINGING;
} else if (!isPendingMOIdle || !mForegroundCall.isIdle() || !mBackgroundCall.isIdle()) {
// There is a non-idle call, so we're off the hook.
mState = PhoneConstants.State.OFFHOOK;
} else {
mState = PhoneConstants.State.IDLE;
}
if (mState == PhoneConstants.State.IDLE && oldState != mState) {
mVoiceCallEndedRegistrants.notifyRegistrants(
new AsyncResult(null, null, null));
} else if (oldState == PhoneConstants.State.IDLE && oldState != mState) {
mVoiceCallStartedRegistrants.notifyRegistrants (
new AsyncResult(null, null, null));
}
if (DBG) {
log("updatePhoneState pendingMo = " + (mPendingMO == null ? "null"
: mPendingMO.getState()) + ", fg= " + mForegroundCall.getState() + "("
+ mForegroundCall.getConnections().size() + "), bg= " + mBackgroundCall
.getState() + "(" + mBackgroundCall.getConnections().size() + ")");
log("updatePhoneState oldState=" + oldState + ", newState=" + mState);
}
if (mState != oldState) {
mPhone.notifyPhoneStateChanged();
mMetrics.writePhoneState(mPhone.getPhoneId(), mState);
notifyPhoneStateChanged(oldState, mState);
}
}
private void
handleRadioNotAvailable() {
// handlePollCalls will clear out its
// call list when it gets the CommandException
// error result from this
pollCallsWhenSafe();
}
private void
dumpState() {
List l;
log("Phone State:" + mState);
log("Ringing call: " + mRingingCall.toString());
l = mRingingCall.getConnections();
for (int i = 0, s = l.size(); i < s; i++) {
log(l.get(i).toString());
}
log("Foreground call: " + mForegroundCall.toString());
l = mForegroundCall.getConnections();
for (int i = 0, s = l.size(); i < s; i++) {
log(l.get(i).toString());
}
log("Background call: " + mBackgroundCall.toString());
l = mBackgroundCall.getConnections();
for (int i = 0, s = l.size(); i < s; i++) {
log(l.get(i).toString());
}
}
//***** Called from ImsPhone
public void setUiTTYMode(int uiTtyMode, Message onComplete) {
if (mImsManager == null) {
mPhone.sendErrorResponse(onComplete, getImsManagerIsNullException());
return;
}
try {
mImsManager.setUiTTYMode(mPhone.getContext(), uiTtyMode, onComplete);
} catch (ImsException e) {
loge("setTTYMode : " + e);
mPhone.sendErrorResponse(onComplete, e);
retryGetImsService();
}
}
public void setMute(boolean mute) {
mDesiredMute = mute;
mForegroundCall.setMute(mute);
}
public boolean getMute() {
return mDesiredMute;
}
public void sendDtmf(char c, Message result) {
if (DBG) log("sendDtmf");
ImsCall imscall = mForegroundCall.getImsCall();
if (imscall != null) {
imscall.sendDtmf(c, result);
}
}
public void
startDtmf(char c) {
if (DBG) log("startDtmf");
ImsCall imscall = mForegroundCall.getImsCall();
if (imscall != null) {
imscall.startDtmf(c);
} else {
loge("startDtmf : no foreground call");
}
}
public void
stopDtmf() {
if (DBG) log("stopDtmf");
ImsCall imscall = mForegroundCall.getImsCall();
if (imscall != null) {
imscall.stopDtmf();
} else {
loge("stopDtmf : no foreground call");
}
}
//***** Called from ImsPhoneConnection
public void hangup (ImsPhoneConnection conn) throws CallStateException {
if (DBG) log("hangup connection");
if (conn.getOwner() != this) {
throw new CallStateException ("ImsPhoneConnection " + conn
+ "does not belong to ImsPhoneCallTracker " + this);
}
hangup(conn.getCall());
}
//***** Called from ImsPhoneCall
public void hangup (ImsPhoneCall call) throws CallStateException {
if (DBG) log("hangup call");
if (call.getConnections().size() == 0) {
throw new CallStateException("no connections");
}
ImsCall imsCall = call.getImsCall();
boolean rejectCall = false;
if (call == mRingingCall) {
if (Phone.DEBUG_PHONE) log("(ringing) hangup incoming");
rejectCall = true;
} else if (call == mForegroundCall) {
if (call.isDialingOrAlerting()) {
if (Phone.DEBUG_PHONE) {
log("(foregnd) hangup dialing or alerting...");
}
} else {
if (Phone.DEBUG_PHONE) {
log("(foregnd) hangup foreground");
}
//held call will be resumed by onCallTerminated
}
} else if (call == mBackgroundCall) {
if (Phone.DEBUG_PHONE) {
log("(backgnd) hangup waiting or background");
}
} else {
throw new CallStateException ("ImsPhoneCall " + call +
"does not belong to ImsPhoneCallTracker " + this);
}
call.onHangupLocal();
try {
if (imsCall != null) {
if (rejectCall) {
imsCall.reject(ImsReasonInfo.CODE_USER_DECLINE);
mMetrics.writeOnImsCommand(mPhone.getPhoneId(), imsCall.getSession(),
ImsCommand.IMS_CMD_REJECT);
} else {
imsCall.terminate(ImsReasonInfo.CODE_USER_TERMINATED);
mMetrics.writeOnImsCommand(mPhone.getPhoneId(), imsCall.getSession(),
ImsCommand.IMS_CMD_TERMINATE);
}
} else if (mPendingMO != null && call == mForegroundCall) {
// is holding a foreground call
mPendingMO.update(null, ImsPhoneCall.State.DISCONNECTED);
mPendingMO.onDisconnect();
removeConnection(mPendingMO);
mPendingMO = null;
updatePhoneState();
removeMessages(EVENT_DIAL_PENDINGMO);
}
} catch (ImsException e) {
throw new CallStateException(e.getMessage());
}
mPhone.notifyPreciseCallStateChanged();
}
void callEndCleanupHandOverCallIfAny() {
if (mHandoverCall.mConnections.size() > 0) {
if (DBG) log("callEndCleanupHandOverCallIfAny, mHandoverCall.mConnections="
+ mHandoverCall.mConnections);
mHandoverCall.mConnections.clear();
mConnections.clear();
mState = PhoneConstants.State.IDLE;
}
}
/* package */
void resumeWaitingOrHolding() throws CallStateException {
if (DBG) log("resumeWaitingOrHolding");
try {
if (mForegroundCall.getState().isAlive()) {
//resume foreground call after holding background call
//they were switched before holding
ImsCall imsCall = mForegroundCall.getImsCall();
if (imsCall != null) {
imsCall.resume();
mMetrics.writeOnImsCommand(mPhone.getPhoneId(), imsCall.getSession(),
ImsCommand.IMS_CMD_RESUME);
}
} else if (mRingingCall.getState() == ImsPhoneCall.State.WAITING) {
//accept waiting call after holding background call
ImsCall imsCall = mRingingCall.getImsCall();
if (imsCall != null) {
imsCall.accept(
ImsCallProfile.getCallTypeFromVideoState(mPendingCallVideoState));
mMetrics.writeOnImsCommand(mPhone.getPhoneId(), imsCall.getSession(),
ImsCommand.IMS_CMD_ACCEPT);
}
} else {
//Just resume background call.
//To distinguish resuming call with swapping calls
//we do not switch calls.here
//ImsPhoneConnection.update will chnage the parent when completed
ImsCall imsCall = mBackgroundCall.getImsCall();
if (imsCall != null) {
imsCall.resume();
mMetrics.writeOnImsCommand(mPhone.getPhoneId(), imsCall.getSession(),
ImsCommand.IMS_CMD_RESUME);
}
}
} catch (ImsException e) {
throw new CallStateException(e.getMessage());
}
}
public void sendUSSD (String ussdString, Message response) {
if (DBG) log("sendUSSD");
try {
if (mUssdSession != null) {
mUssdSession.sendUssd(ussdString);
AsyncResult.forMessage(response, null, null);
response.sendToTarget();
return;
}
if (mImsManager == null) {
mPhone.sendErrorResponse(response, getImsManagerIsNullException());
return;
}
String[] callees = new String[] { ussdString };
ImsCallProfile profile = mImsManager.createCallProfile(mServiceId,
ImsCallProfile.SERVICE_TYPE_NORMAL, ImsCallProfile.CALL_TYPE_VOICE);
profile.setCallExtraInt(ImsCallProfile.EXTRA_DIALSTRING,
ImsCallProfile.DIALSTRING_USSD);
mUssdSession = mImsManager.makeCall(mServiceId, profile,
callees, mImsUssdListener);
} catch (ImsException e) {
loge("sendUSSD : " + e);
mPhone.sendErrorResponse(response, e);
retryGetImsService();
}
}
public void cancelUSSD() {
if (mUssdSession == null) return;
try {
mUssdSession.terminate(ImsReasonInfo.CODE_USER_TERMINATED);
} catch (ImsException e) {
}
}
private synchronized ImsPhoneConnection findConnection(final ImsCall imsCall) {
for (ImsPhoneConnection conn : mConnections) {
if (conn.getImsCall() == imsCall) {
return conn;
}
}
return null;
}
private synchronized void removeConnection(ImsPhoneConnection conn) {
mConnections.remove(conn);
// If not emergency call is remaining, notify emergency call registrants
if (mIsInEmergencyCall) {
boolean isEmergencyCallInList = false;
// if no emergency calls pending, set this to false
for (ImsPhoneConnection imsPhoneConnection : mConnections) {
if (imsPhoneConnection != null && imsPhoneConnection.isEmergency() == true) {
isEmergencyCallInList = true;
break;
}
}
if (!isEmergencyCallInList) {
mIsInEmergencyCall = false;
mPhone.sendEmergencyCallStateChange(false);
}
}
}
private synchronized void addConnection(ImsPhoneConnection conn) {
mConnections.add(conn);
if (conn.isEmergency()) {
mIsInEmergencyCall = true;
mPhone.sendEmergencyCallStateChange(true);
}
}
private void processCallStateChange(ImsCall imsCall, ImsPhoneCall.State state, int cause) {
if (DBG) log("processCallStateChange " + imsCall + " state=" + state + " cause=" + cause);
// This method is called on onCallUpdate() where there is not necessarily a call state
// change. In these situations, we'll ignore the state related updates and only process
// the change in media capabilities (as expected). The default is to not ignore state
// changes so we do not change existing behavior.
processCallStateChange(imsCall, state, cause, false /* do not ignore state update */);
}
private void processCallStateChange(ImsCall imsCall, ImsPhoneCall.State state, int cause,
boolean ignoreState) {
if (DBG) {
log("processCallStateChange state=" + state + " cause=" + cause
+ " ignoreState=" + ignoreState);
}
if (imsCall == null) return;
boolean changed = false;
ImsPhoneConnection conn = findConnection(imsCall);
if (conn == null) {
// TODO : what should be done?
return;
}
// processCallStateChange is triggered for onCallUpdated as well.
// onCallUpdated should not modify the state of the call
// It should modify only other capabilities of call through updateMediaCapabilities
// State updates will be triggered through individual callbacks
// i.e. onCallHeld, onCallResume, etc and conn.update will be responsible for the update
conn.updateMediaCapabilities(imsCall);
if (ignoreState) {
conn.updateAddressDisplay(imsCall);
conn.updateExtras(imsCall);
maybeSetVideoCallProvider(conn, imsCall);
return;
}
changed = conn.update(imsCall, state);
if (state == ImsPhoneCall.State.DISCONNECTED) {
changed = conn.onDisconnect(cause) || changed;
//detach the disconnected connections
conn.getCall().detach(conn);
removeConnection(conn);
}
if (changed) {
if (conn.getCall() == mHandoverCall) return;
updatePhoneState();
mPhone.notifyPreciseCallStateChanged();
}
}
private void maybeSetVideoCallProvider(ImsPhoneConnection conn, ImsCall imsCall) {
android.telecom.Connection.VideoProvider connVideoProvider = conn.getVideoProvider();
if (connVideoProvider != null || imsCall.getCallSession().getVideoCallProvider() == null) {
return;
}
try {
setVideoCallProvider(conn, imsCall);
} catch (RemoteException e) {
loge("maybeSetVideoCallProvider: exception " + e);
}
}
/**
* Adds a reason code remapping, for test purposes.
*
* @param fromCode The from code, or {@code null} if all.
* @param message The message to map.
* @param toCode The code to remap to.
*/
@VisibleForTesting
public void addReasonCodeRemapping(Integer fromCode, String message, Integer toCode) {
mImsReasonCodeMap.put(new Pair<>(fromCode, message), toCode);
}
/**
* Returns the {@link ImsReasonInfo#getCode()}, potentially remapping to a new value based on
* the {@link ImsReasonInfo#getCode()} and {@link ImsReasonInfo#getExtraMessage()}.
*
* See {@link #mImsReasonCodeMap}.
*
* @param reasonInfo The {@link ImsReasonInfo}.
* @return The remapped code.
*/
@VisibleForTesting
public int maybeRemapReasonCode(ImsReasonInfo reasonInfo) {
int code = reasonInfo.getCode();
Pair<Integer, String> toCheck = new Pair<>(code, reasonInfo.getExtraMessage());
Pair<Integer, String> wildcardToCheck = new Pair<>(null, reasonInfo.getExtraMessage());
if (mImsReasonCodeMap.containsKey(toCheck)) {
int toCode = mImsReasonCodeMap.get(toCheck);
log("maybeRemapReasonCode : fromCode = " + reasonInfo.getCode() + " ; message = "
+ reasonInfo.getExtraMessage() + " ; toCode = " + toCode);
return toCode;
} else if (mImsReasonCodeMap.containsKey(wildcardToCheck)) {
// Handle the case where a wildcard is specified for the fromCode; in this case we will
// match without caring about the fromCode.
int toCode = mImsReasonCodeMap.get(wildcardToCheck);
log("maybeRemapReasonCode : fromCode(wildcard) = " + reasonInfo.getCode() +
" ; message = " + reasonInfo.getExtraMessage() + " ; toCode = " + toCode);
return toCode;
}
return code;
}
private int getDisconnectCauseFromReasonInfo(ImsReasonInfo reasonInfo) {
int cause = DisconnectCause.ERROR_UNSPECIFIED;
//int type = reasonInfo.getReasonType();
int code = maybeRemapReasonCode(reasonInfo);
switch (code) {
case ImsReasonInfo.CODE_SIP_BAD_ADDRESS:
case ImsReasonInfo.CODE_SIP_NOT_REACHABLE:
return DisconnectCause.NUMBER_UNREACHABLE;
case ImsReasonInfo.CODE_SIP_BUSY:
return DisconnectCause.BUSY;
case ImsReasonInfo.CODE_USER_TERMINATED:
return DisconnectCause.LOCAL;
case ImsReasonInfo.CODE_LOCAL_ENDED_BY_CONFERENCE_MERGE:
return DisconnectCause.IMS_MERGED_SUCCESSFULLY;
case ImsReasonInfo.CODE_LOCAL_CALL_DECLINE:
case ImsReasonInfo.CODE_REMOTE_CALL_DECLINE:
// If the call has been declined locally (on this device), or on remotely (on
// another device using multiendpoint functionality), mark it as rejected.
return DisconnectCause.INCOMING_REJECTED;
case ImsReasonInfo.CODE_USER_TERMINATED_BY_REMOTE:
return DisconnectCause.NORMAL;
case ImsReasonInfo.CODE_SIP_FORBIDDEN:
return DisconnectCause.SERVER_ERROR;
case ImsReasonInfo.CODE_SIP_REDIRECTED:
case ImsReasonInfo.CODE_SIP_BAD_REQUEST:
case ImsReasonInfo.CODE_SIP_NOT_ACCEPTABLE:
case ImsReasonInfo.CODE_SIP_USER_REJECTED:
case ImsReasonInfo.CODE_SIP_GLOBAL_ERROR:
return DisconnectCause.SERVER_ERROR;
case ImsReasonInfo.CODE_SIP_SERVICE_UNAVAILABLE:
case ImsReasonInfo.CODE_SIP_NOT_FOUND:
case ImsReasonInfo.CODE_SIP_SERVER_ERROR:
return DisconnectCause.SERVER_UNREACHABLE;
case ImsReasonInfo.CODE_LOCAL_NETWORK_ROAMING:
case ImsReasonInfo.CODE_LOCAL_NETWORK_IP_CHANGED:
case ImsReasonInfo.CODE_LOCAL_IMS_SERVICE_DOWN:
case ImsReasonInfo.CODE_LOCAL_SERVICE_UNAVAILABLE:
case ImsReasonInfo.CODE_LOCAL_NOT_REGISTERED:
case ImsReasonInfo.CODE_LOCAL_NETWORK_NO_LTE_COVERAGE:
case ImsReasonInfo.CODE_LOCAL_NETWORK_NO_SERVICE:
case ImsReasonInfo.CODE_LOCAL_CALL_VCC_ON_PROGRESSING:
return DisconnectCause.OUT_OF_SERVICE;
case ImsReasonInfo.CODE_SIP_REQUEST_TIMEOUT:
case ImsReasonInfo.CODE_TIMEOUT_1XX_WAITING:
case ImsReasonInfo.CODE_TIMEOUT_NO_ANSWER:
case ImsReasonInfo.CODE_TIMEOUT_NO_ANSWER_CALL_UPDATE:
return DisconnectCause.TIMED_OUT;
case ImsReasonInfo.CODE_LOCAL_LOW_BATTERY:
case ImsReasonInfo.CODE_LOCAL_POWER_OFF:
return DisconnectCause.POWER_OFF;
case ImsReasonInfo.CODE_FDN_BLOCKED:
return DisconnectCause.FDN_BLOCKED;
case ImsReasonInfo.CODE_IMEI_NOT_ACCEPTED:
return DisconnectCause.IMEI_NOT_ACCEPTED;
case ImsReasonInfo.CODE_ANSWERED_ELSEWHERE:
return DisconnectCause.ANSWERED_ELSEWHERE;
case ImsReasonInfo.CODE_CALL_END_CAUSE_CALL_PULL:
return DisconnectCause.CALL_PULLED;
case ImsReasonInfo.CODE_MAXIMUM_NUMBER_OF_CALLS_REACHED:
return DisconnectCause.MAXIMUM_NUMBER_OF_CALLS_REACHED;
case ImsReasonInfo.CODE_DATA_DISABLED:
return DisconnectCause.DATA_DISABLED;
case ImsReasonInfo.CODE_DATA_LIMIT_REACHED:
return DisconnectCause.DATA_LIMIT_REACHED;
case ImsReasonInfo.CODE_WIFI_LOST:
return DisconnectCause.WIFI_LOST;
case ImsReasonInfo.CODE_ACCESS_CLASS_BLOCKED:
return DisconnectCause.IMS_ACCESS_BLOCKED;
default:
}
return cause;
}
private int getPreciseDisconnectCauseFromReasonInfo(ImsReasonInfo reasonInfo) {
return PRECISE_CAUSE_MAP.get(maybeRemapReasonCode(reasonInfo),
PreciseDisconnectCause.ERROR_UNSPECIFIED);
}
/**
* @return true if the phone is in Emergency Callback mode, otherwise false
*/
private boolean isPhoneInEcbMode() {
return mPhone.isInEcm();
}
/**
* Before dialing pending MO request, check for the Emergency Callback mode.
* If device is in Emergency callback mode, then exit the mode before dialing pending MO.
*/
private void dialPendingMO() {
boolean isPhoneInEcmMode = isPhoneInEcbMode();
boolean isEmergencyNumber = mPendingMO.isEmergency();
if ((!isPhoneInEcmMode) || (isPhoneInEcmMode && isEmergencyNumber)) {
sendEmptyMessage(EVENT_DIAL_PENDINGMO);
} else {
sendEmptyMessage(EVENT_EXIT_ECBM_BEFORE_PENDINGMO);
}
}
/**
* Listen to the IMS call state change
*/
private ImsCall.Listener mImsCallListener = new ImsCall.Listener() {
@Override
public void onCallProgressing(ImsCall imsCall) {
if (DBG) log("onCallProgressing");
mPendingMO = null;
processCallStateChange(imsCall, ImsPhoneCall.State.ALERTING,
DisconnectCause.NOT_DISCONNECTED);
mMetrics.writeOnImsCallProgressing(mPhone.getPhoneId(), imsCall.getCallSession());
}
@Override
public void onCallStarted(ImsCall imsCall) {
if (DBG) log("onCallStarted");
if (mSwitchingFgAndBgCalls) {
// If we put a call on hold to answer an incoming call, we should reset the
// variables that keep track of the switch here.
if (mCallExpectedToResume != null && mCallExpectedToResume == imsCall) {
if (DBG) log("onCallStarted: starting a call as a result of a switch.");
mSwitchingFgAndBgCalls = false;
mCallExpectedToResume = null;
}
}
mPendingMO = null;
processCallStateChange(imsCall, ImsPhoneCall.State.ACTIVE,
DisconnectCause.NOT_DISCONNECTED);
if (mNotifyVtHandoverToWifiFail &&
!imsCall.isWifiCall() && imsCall.isVideoCall() && isWifiConnected()) {
// Schedule check to see if handover succeeded.
sendMessageDelayed(obtainMessage(EVENT_CHECK_FOR_WIFI_HANDOVER, imsCall),
HANDOVER_TO_WIFI_TIMEOUT_MS);
}
mMetrics.writeOnImsCallStarted(mPhone.getPhoneId(), imsCall.getCallSession());
}
@Override
public void onCallUpdated(ImsCall imsCall) {
if (DBG) log("onCallUpdated");
if (imsCall == null) {
return;
}
ImsPhoneConnection conn = findConnection(imsCall);
if (conn != null) {
processCallStateChange(imsCall, conn.getCall().mState,
DisconnectCause.NOT_DISCONNECTED, true /*ignore state update*/);
mMetrics.writeImsCallState(mPhone.getPhoneId(),
imsCall.getCallSession(), conn.getCall().mState);
}
}
/**
* onCallStartFailed will be invoked when:
* case 1) Dialing fails
* case 2) Ringing call is disconnected by local or remote user
*/
@Override
public void onCallStartFailed(ImsCall imsCall, ImsReasonInfo reasonInfo) {
if (DBG) log("onCallStartFailed reasonCode=" + reasonInfo.getCode());
if (mSwitchingFgAndBgCalls) {
// If we put a call on hold to answer an incoming call, we should reset the
// variables that keep track of the switch here.
if (mCallExpectedToResume != null && mCallExpectedToResume == imsCall) {
if (DBG) log("onCallStarted: starting a call as a result of a switch.");
mSwitchingFgAndBgCalls = false;
mCallExpectedToResume = null;
}
}
if (mPendingMO != null) {
// To initiate dialing circuit-switched call
if (reasonInfo.getCode() == ImsReasonInfo.CODE_LOCAL_CALL_CS_RETRY_REQUIRED
&& mBackgroundCall.getState() == ImsPhoneCall.State.IDLE
&& mRingingCall.getState() == ImsPhoneCall.State.IDLE) {
mForegroundCall.detach(mPendingMO);
removeConnection(mPendingMO);
mPendingMO.finalize();
mPendingMO = null;
mPhone.initiateSilentRedial();
return;
} else {
mPendingMO = null;
int cause = getDisconnectCauseFromReasonInfo(reasonInfo);
ImsPhoneConnection conn = findConnection(imsCall);
if(conn != null) {
conn.setPreciseDisconnectCause(
getPreciseDisconnectCauseFromReasonInfo(reasonInfo));
}
processCallStateChange(imsCall, ImsPhoneCall.State.DISCONNECTED, cause);
}
mMetrics.writeOnImsCallStartFailed(mPhone.getPhoneId(), imsCall.getCallSession(),
reasonInfo);
}
}
@Override
public void onCallTerminated(ImsCall imsCall, ImsReasonInfo reasonInfo) {
if (DBG) log("onCallTerminated reasonCode=" + reasonInfo.getCode());
int cause = getDisconnectCauseFromReasonInfo(reasonInfo);
ImsPhoneConnection conn = findConnection(imsCall);
if (DBG) log("cause = " + cause + " conn = " + conn);
if (conn != null) {
android.telecom.Connection.VideoProvider videoProvider = conn.getVideoProvider();
if (videoProvider instanceof ImsVideoCallProviderWrapper) {
ImsVideoCallProviderWrapper wrapper = (ImsVideoCallProviderWrapper)
videoProvider;
wrapper.removeImsVideoProviderCallback(conn);
}
}
if (mOnHoldToneId == System.identityHashCode(conn)) {
if (conn != null && mOnHoldToneStarted) {
mPhone.stopOnHoldTone(conn);
}
mOnHoldToneStarted = false;
mOnHoldToneId = -1;
}
if (conn != null) {
if (conn.isPulledCall() && (
reasonInfo.getCode() == ImsReasonInfo.CODE_CALL_PULL_OUT_OF_SYNC ||
reasonInfo.getCode() == ImsReasonInfo.CODE_SIP_TEMPRARILY_UNAVAILABLE ||
reasonInfo.getCode() == ImsReasonInfo.CODE_SIP_FORBIDDEN) &&
mPhone != null && mPhone.getExternalCallTracker() != null) {
log("Call pull failed.");
// Call was being pulled, but the call pull has failed -- inform the associated
// TelephonyConnection that the pull failed, and provide it with the original
// external connection which was pulled so that it can be swapped back.
conn.onCallPullFailed(mPhone.getExternalCallTracker()
.getConnectionById(conn.getPulledDialogId()));
// Do not mark as disconnected; the call will just change from being a regular
// call to being an external call again.
cause = DisconnectCause.NOT_DISCONNECTED;
} else if (conn.isIncoming() && conn.getConnectTime() == 0
&& cause != DisconnectCause.ANSWERED_ELSEWHERE) {
// Missed
if (cause == DisconnectCause.NORMAL) {
cause = DisconnectCause.INCOMING_MISSED;
} else {
cause = DisconnectCause.INCOMING_REJECTED;
}
if (DBG) log("Incoming connection of 0 connect time detected - translated " +
"cause = " + cause);
}
}
if (cause == DisconnectCause.NORMAL && conn != null && conn.getImsCall().isMerged()) {
// Call was terminated while it is merged instead of a remote disconnect.
cause = DisconnectCause.IMS_MERGED_SUCCESSFULLY;
}
mMetrics.writeOnImsCallTerminated(mPhone.getPhoneId(), imsCall.getCallSession(),
reasonInfo);
if(conn != null) {
conn.setPreciseDisconnectCause(getPreciseDisconnectCauseFromReasonInfo(reasonInfo));
}
processCallStateChange(imsCall, ImsPhoneCall.State.DISCONNECTED, cause);
if (mForegroundCall.getState() != ImsPhoneCall.State.ACTIVE) {
if (mRingingCall.getState().isRinging()) {
// Drop pending MO. We should address incoming call first
mPendingMO = null;
} else if (mPendingMO != null) {
sendEmptyMessage(EVENT_DIAL_PENDINGMO);
}
}
if (mSwitchingFgAndBgCalls) {
if (DBG) {
log("onCallTerminated: Call terminated in the midst of Switching " +
"Fg and Bg calls.");
}
// If we are the in midst of swapping FG and BG calls and the call that was
// terminated was the one that we expected to resume, we need to swap the FG and
// BG calls back.
if (imsCall == mCallExpectedToResume) {
if (DBG) {
log("onCallTerminated: switching " + mForegroundCall + " with "
+ mBackgroundCall);
}
mForegroundCall.switchWith(mBackgroundCall);
}
// This call terminated in the midst of a switch after the other call was held, so
// resume it back to ACTIVE state since the switch failed.
log("onCallTerminated: foreground call in state " + mForegroundCall.getState() +
" and ringing call in state " + (mRingingCall == null ? "null" :
mRingingCall.getState().toString()));
if (mForegroundCall.getState() == ImsPhoneCall.State.HOLDING ||
mRingingCall.getState() == ImsPhoneCall.State.WAITING) {
sendEmptyMessage(EVENT_RESUME_BACKGROUND);
mSwitchingFgAndBgCalls = false;
mCallExpectedToResume = null;
}
}
if (mShouldUpdateImsConfigOnDisconnect) {
// Ensure we update the IMS config when the call is disconnected; we delayed this
// because a video call was paused.
ImsManager.updateImsServiceConfig(mPhone.getContext(), mPhone.getPhoneId(), true);
mShouldUpdateImsConfigOnDisconnect = false;
}
}
@Override
public void onCallHeld(ImsCall imsCall) {
if (DBG) {
if (mForegroundCall.getImsCall() == imsCall) {
log("onCallHeld (fg) " + imsCall);
} else if (mBackgroundCall.getImsCall() == imsCall) {
log("onCallHeld (bg) " + imsCall);
}
}
synchronized (mSyncHold) {
ImsPhoneCall.State oldState = mBackgroundCall.getState();
processCallStateChange(imsCall, ImsPhoneCall.State.HOLDING,
DisconnectCause.NOT_DISCONNECTED);
// Note: If we're performing a switchWaitingOrHoldingAndActive, the call to
// processCallStateChange above may have caused the mBackgroundCall and
// mForegroundCall references below to change meaning. Watch out for this if you
// are reading through this code.
if (oldState == ImsPhoneCall.State.ACTIVE) {
// Note: This case comes up when we have just held a call in response to a
// switchWaitingOrHoldingAndActive. We now need to resume the background call.
// The EVENT_RESUME_BACKGROUND causes resumeWaitingOrHolding to be called.
if ((mForegroundCall.getState() == ImsPhoneCall.State.HOLDING)
|| (mRingingCall.getState() == ImsPhoneCall.State.WAITING)) {
sendEmptyMessage(EVENT_RESUME_BACKGROUND);
} else {
//when multiple connections belong to background call,
//only the first callback reaches here
//otherwise the oldState is already HOLDING
if (mPendingMO != null) {
dialPendingMO();
}
// In this case there will be no call resumed, so we can assume that we
// are done switching fg and bg calls now.
// This may happen if there is no BG call and we are holding a call so that
// we can dial another one.
mSwitchingFgAndBgCalls = false;
}
} else if (oldState == ImsPhoneCall.State.IDLE && mSwitchingFgAndBgCalls) {
// The other call terminated in the midst of a switch before this call was held,
// so resume the foreground call back to ACTIVE state since the switch failed.
if (mForegroundCall.getState() == ImsPhoneCall.State.HOLDING) {
sendEmptyMessage(EVENT_RESUME_BACKGROUND);
mSwitchingFgAndBgCalls = false;
mCallExpectedToResume = null;
}
}
}
mMetrics.writeOnImsCallHeld(mPhone.getPhoneId(), imsCall.getCallSession());
}
@Override
public void onCallHoldFailed(ImsCall imsCall, ImsReasonInfo reasonInfo) {
if (DBG) log("onCallHoldFailed reasonCode=" + reasonInfo.getCode());
synchronized (mSyncHold) {
ImsPhoneCall.State bgState = mBackgroundCall.getState();
if (reasonInfo.getCode() == ImsReasonInfo.CODE_LOCAL_CALL_TERMINATED) {
// disconnected while processing hold
if (mPendingMO != null) {
dialPendingMO();
}
} else if (bgState == ImsPhoneCall.State.ACTIVE) {
mForegroundCall.switchWith(mBackgroundCall);
if (mPendingMO != null) {
mPendingMO.setDisconnectCause(DisconnectCause.ERROR_UNSPECIFIED);
sendEmptyMessageDelayed(EVENT_HANGUP_PENDINGMO, TIMEOUT_HANGUP_PENDINGMO);
}
}
mPhone.notifySuppServiceFailed(Phone.SuppService.HOLD);
}
mMetrics.writeOnImsCallHoldFailed(mPhone.getPhoneId(), imsCall.getCallSession(),
reasonInfo);
}
@Override
public void onCallResumed(ImsCall imsCall) {
if (DBG) log("onCallResumed");
// If we are the in midst of swapping FG and BG calls and the call we end up resuming
// is not the one we expected, we likely had a resume failure and we need to swap the
// FG and BG calls back.
if (mSwitchingFgAndBgCalls) {
if (imsCall != mCallExpectedToResume) {
// If the call which resumed isn't as expected, we need to swap back to the
// previous configuration; the swap has failed.
if (DBG) {
log("onCallResumed : switching " + mForegroundCall + " with "
+ mBackgroundCall);
}
mForegroundCall.switchWith(mBackgroundCall);
} else {
// The call which resumed is the one we expected to resume, so we can clear out
// the mSwitchingFgAndBgCalls flag.
if (DBG) {
log("onCallResumed : expected call resumed.");
}
}
mSwitchingFgAndBgCalls = false;
mCallExpectedToResume = null;
}
processCallStateChange(imsCall, ImsPhoneCall.State.ACTIVE,
DisconnectCause.NOT_DISCONNECTED);
mMetrics.writeOnImsCallResumed(mPhone.getPhoneId(), imsCall.getCallSession());
}
@Override
public void onCallResumeFailed(ImsCall imsCall, ImsReasonInfo reasonInfo) {
if (mSwitchingFgAndBgCalls) {
// If we are in the midst of swapping the FG and BG calls and
// we got a resume fail, we need to swap back the FG and BG calls.
// Since the FG call was held, will also try to resume the same.
if (imsCall == mCallExpectedToResume) {
if (DBG) {
log("onCallResumeFailed : switching " + mForegroundCall + " with "
+ mBackgroundCall);
}
mForegroundCall.switchWith(mBackgroundCall);
if (mForegroundCall.getState() == ImsPhoneCall.State.HOLDING) {
sendEmptyMessage(EVENT_RESUME_BACKGROUND);
}
}
//Call swap is done, reset the relevant variables
mCallExpectedToResume = null;
mSwitchingFgAndBgCalls = false;
}
mPhone.notifySuppServiceFailed(Phone.SuppService.RESUME);
mMetrics.writeOnImsCallResumeFailed(mPhone.getPhoneId(), imsCall.getCallSession(),
reasonInfo);
}
@Override
public void onCallResumeReceived(ImsCall imsCall) {
if (DBG) log("onCallResumeReceived");
ImsPhoneConnection conn = findConnection(imsCall);
if (conn != null) {
if (mOnHoldToneStarted) {
mPhone.stopOnHoldTone(conn);
mOnHoldToneStarted = false;
}
conn.onConnectionEvent(android.telecom.Connection.EVENT_CALL_REMOTELY_UNHELD, null);
}
boolean useVideoPauseWorkaround = mPhone.getContext().getResources().getBoolean(
com.android.internal.R.bool.config_useVideoPauseWorkaround);
if (useVideoPauseWorkaround && mSupportPauseVideo &&
VideoProfile.isVideo(conn.getVideoState())) {
// If we are using the video pause workaround, the vendor IMS code has issues
// with video pause signalling. In this case, when a call is remotely
// held, the modem does not reliably change the video state of the call to be
// paused.
// As a workaround, we will turn on that bit now.
conn.changeToUnPausedState();
}
SuppServiceNotification supp = new SuppServiceNotification();
// Type of notification: 0 = MO; 1 = MT
// Refer SuppServiceNotification class documentation.
supp.notificationType = 1;
supp.code = SuppServiceNotification.MT_CODE_CALL_RETRIEVED;
mPhone.notifySuppSvcNotification(supp);
mMetrics.writeOnImsCallResumeReceived(mPhone.getPhoneId(), imsCall.getCallSession());
}
@Override
public void onCallHoldReceived(ImsCall imsCall) {
if (DBG) log("onCallHoldReceived");
ImsPhoneConnection conn = findConnection(imsCall);
if (conn != null) {
if (!mOnHoldToneStarted && ImsPhoneCall.isLocalTone(imsCall) &&
conn.getState() == ImsPhoneCall.State.ACTIVE) {
mPhone.startOnHoldTone(conn);
mOnHoldToneStarted = true;
mOnHoldToneId = System.identityHashCode(conn);
}
conn.onConnectionEvent(android.telecom.Connection.EVENT_CALL_REMOTELY_HELD, null);
boolean useVideoPauseWorkaround = mPhone.getContext().getResources().getBoolean(
com.android.internal.R.bool.config_useVideoPauseWorkaround);
if (useVideoPauseWorkaround && mSupportPauseVideo &&
VideoProfile.isVideo(conn.getVideoState())) {
// If we are using the video pause workaround, the vendor IMS code has issues
// with video pause signalling. In this case, when a call is remotely
// held, the modem does not reliably change the video state of the call to be
// paused.
// As a workaround, we will turn on that bit now.
conn.changeToPausedState();
}
}
SuppServiceNotification supp = new SuppServiceNotification();
// Type of notification: 0 = MO; 1 = MT
// Refer SuppServiceNotification class documentation.
supp.notificationType = 1;
supp.code = SuppServiceNotification.MT_CODE_CALL_ON_HOLD;
mPhone.notifySuppSvcNotification(supp);
mMetrics.writeOnImsCallHoldReceived(mPhone.getPhoneId(), imsCall.getCallSession());
}
@Override
public void onCallSuppServiceReceived(ImsCall call,
ImsSuppServiceNotification suppServiceInfo) {
if (DBG) log("onCallSuppServiceReceived: suppServiceInfo=" + suppServiceInfo);
SuppServiceNotification supp = new SuppServiceNotification();
supp.notificationType = suppServiceInfo.notificationType;
supp.code = suppServiceInfo.code;
supp.index = suppServiceInfo.index;
supp.number = suppServiceInfo.number;
supp.history = suppServiceInfo.history;
mPhone.notifySuppSvcNotification(supp);
}
@Override
public void onCallMerged(final ImsCall call, final ImsCall peerCall, boolean swapCalls) {
if (DBG) log("onCallMerged");
ImsPhoneCall foregroundImsPhoneCall = findConnection(call).getCall();
ImsPhoneConnection peerConnection = findConnection(peerCall);
ImsPhoneCall peerImsPhoneCall = peerConnection == null ? null
: peerConnection.getCall();
if (swapCalls) {
switchAfterConferenceSuccess();
}
foregroundImsPhoneCall.merge(peerImsPhoneCall, ImsPhoneCall.State.ACTIVE);
try {
final ImsPhoneConnection conn = findConnection(call);
log("onCallMerged: ImsPhoneConnection=" + conn);
log("onCallMerged: CurrentVideoProvider=" + conn.getVideoProvider());
setVideoCallProvider(conn, call);
log("onCallMerged: CurrentVideoProvider=" + conn.getVideoProvider());
} catch (Exception e) {
loge("onCallMerged: exception " + e);
}
// After merge complete, update foreground as Active
// and background call as Held, if background call exists
processCallStateChange(mForegroundCall.getImsCall(), ImsPhoneCall.State.ACTIVE,
DisconnectCause.NOT_DISCONNECTED);
if (peerConnection != null) {
processCallStateChange(mBackgroundCall.getImsCall(), ImsPhoneCall.State.HOLDING,
DisconnectCause.NOT_DISCONNECTED);
}
// Check if the merge was requested by an existing conference call. In that
// case, no further action is required.
if (!call.isMergeRequestedByConf()) {
log("onCallMerged :: calling onMultipartyStateChanged()");
onMultipartyStateChanged(call, true);
} else {
log("onCallMerged :: Merge requested by existing conference.");
// Reset the flag.
call.resetIsMergeRequestedByConf(false);
}
logState();
}
@Override
public void onCallMergeFailed(ImsCall call, ImsReasonInfo reasonInfo) {
if (DBG) log("onCallMergeFailed reasonInfo=" + reasonInfo);
// TODO: the call to notifySuppServiceFailed throws up the "merge failed" dialog
// We should move this into the InCallService so that it is handled appropriately
// based on the user facing UI.
mPhone.notifySuppServiceFailed(Phone.SuppService.CONFERENCE);
// Start plumbing this even through Telecom so other components can take
// appropriate action.
ImsPhoneConnection conn = findConnection(call);
if (conn != null) {
conn.onConferenceMergeFailed();
conn.handleMergeComplete();
}
}
/**
* Called when the state of IMS conference participant(s) has changed.
*
* @param call the call object that carries out the IMS call.
* @param participants the participant(s) and their new state information.
*/
@Override
public void onConferenceParticipantsStateChanged(ImsCall call,
List<ConferenceParticipant> participants) {
if (DBG) log("onConferenceParticipantsStateChanged");
ImsPhoneConnection conn = findConnection(call);
if (conn != null) {
conn.updateConferenceParticipants(participants);
}
}
@Override
public void onCallSessionTtyModeReceived(ImsCall call, int mode) {
mPhone.onTtyModeReceived(mode);
}
@Override
public void onCallHandover(ImsCall imsCall, int srcAccessTech, int targetAccessTech,
ImsReasonInfo reasonInfo) {
if (DBG) {
log("onCallHandover :: srcAccessTech=" + srcAccessTech + ", targetAccessTech=" +
targetAccessTech + ", reasonInfo=" + reasonInfo);
}
// Only consider it a valid handover to WIFI if the source radio tech is known.
boolean isHandoverToWifi = srcAccessTech != ServiceState.RIL_RADIO_TECHNOLOGY_UNKNOWN
&& srcAccessTech != ServiceState.RIL_RADIO_TECHNOLOGY_IWLAN
&& targetAccessTech == ServiceState.RIL_RADIO_TECHNOLOGY_IWLAN;
if (isHandoverToWifi) {
// If we handed over to wifi successfully, don't check for failure in the future.
removeMessages(EVENT_CHECK_FOR_WIFI_HANDOVER);
}
// Only consider it a handover from WIFI if the source and target radio tech is known.
boolean isHandoverFromWifi = srcAccessTech == ServiceState.RIL_RADIO_TECHNOLOGY_IWLAN
&& targetAccessTech != ServiceState.RIL_RADIO_TECHNOLOGY_UNKNOWN
&& targetAccessTech != ServiceState.RIL_RADIO_TECHNOLOGY_IWLAN;
if (mNotifyHandoverVideoFromWifiToLTE && isHandoverFromWifi && imsCall.isVideoCall()) {
log("onCallHandover :: notifying of WIFI to LTE handover.");
ImsPhoneConnection conn = findConnection(imsCall);
if (conn != null) {
conn.onConnectionEvent(
TelephonyManager.EVENT_HANDOVER_VIDEO_FROM_WIFI_TO_LTE, null);
} else {
loge("onCallHandover :: failed to notify of handover; connection is null.");
}
}
mMetrics.writeOnImsCallHandoverEvent(mPhone.getPhoneId(),
TelephonyCallSession.Event.Type.IMS_CALL_HANDOVER, imsCall.getCallSession(),
srcAccessTech, targetAccessTech, reasonInfo);
}
@Override
public void onCallHandoverFailed(ImsCall imsCall, int srcAccessTech, int targetAccessTech,
ImsReasonInfo reasonInfo) {
if (DBG) {
log("onCallHandoverFailed :: srcAccessTech=" + srcAccessTech +
", targetAccessTech=" + targetAccessTech + ", reasonInfo=" + reasonInfo);
}
mMetrics.writeOnImsCallHandoverEvent(mPhone.getPhoneId(),
TelephonyCallSession.Event.Type.IMS_CALL_HANDOVER_FAILED,
imsCall.getCallSession(), srcAccessTech, targetAccessTech, reasonInfo);
boolean isHandoverToWifi = srcAccessTech != ServiceState.RIL_RADIO_TECHNOLOGY_IWLAN &&
targetAccessTech == ServiceState.RIL_RADIO_TECHNOLOGY_IWLAN;
ImsPhoneConnection conn = findConnection(imsCall);
if (conn != null && isHandoverToWifi) {
log("onCallHandoverFailed - handover to WIFI Failed");
// If we know we failed to handover, don't check for failure in the future.
removeMessages(EVENT_CHECK_FOR_WIFI_HANDOVER);
if (mNotifyVtHandoverToWifiFail) {
// Only notify others if carrier config indicates to do so.
conn.onHandoverToWifiFailed();
}
}
}
@Override
public void onRttModifyRequestReceived(ImsCall imsCall) {
ImsPhoneConnection conn = findConnection(imsCall);
if (conn != null) {
conn.onRttModifyRequestReceived();
}
}
@Override
public void onRttModifyResponseReceived(ImsCall imsCall, int status) {
ImsPhoneConnection conn = findConnection(imsCall);
if (conn != null) {
conn.onRttModifyResponseReceived(status);
if (status ==
android.telecom.Connection.RttModifyStatus.SESSION_MODIFY_REQUEST_SUCCESS) {
conn.startRttTextProcessing();
}
}
}
@Override
public void onRttMessageReceived(ImsCall imsCall, String message) {
ImsPhoneConnection conn = findConnection(imsCall);
if (conn != null) {
conn.onRttMessageReceived(message);
}
}
/**
* Handles a change to the multiparty state for an {@code ImsCall}. Notifies the associated
* {@link ImsPhoneConnection} of the change.
*
* @param imsCall The IMS call.
* @param isMultiParty {@code true} if the call became multiparty, {@code false}
* otherwise.
*/
@Override
public void onMultipartyStateChanged(ImsCall imsCall, boolean isMultiParty) {
if (DBG) log("onMultipartyStateChanged to " + (isMultiParty ? "Y" : "N"));
ImsPhoneConnection conn = findConnection(imsCall);
if (conn != null) {
conn.updateMultipartyState(isMultiParty);
}
}
};
/**
* Listen to the IMS call state change
*/
private ImsCall.Listener mImsUssdListener = new ImsCall.Listener() {
@Override
public void onCallStarted(ImsCall imsCall) {
if (DBG) log("mImsUssdListener onCallStarted");
if (imsCall == mUssdSession) {
if (mPendingUssd != null) {
AsyncResult.forMessage(mPendingUssd);
mPendingUssd.sendToTarget();
mPendingUssd = null;
}
}
}
@Override
public void onCallStartFailed(ImsCall imsCall, ImsReasonInfo reasonInfo) {
if (DBG) log("mImsUssdListener onCallStartFailed reasonCode=" + reasonInfo.getCode());
onCallTerminated(imsCall, reasonInfo);
}
@Override
public void onCallTerminated(ImsCall imsCall, ImsReasonInfo reasonInfo) {
if (DBG) log("mImsUssdListener onCallTerminated reasonCode=" + reasonInfo.getCode());
removeMessages(EVENT_CHECK_FOR_WIFI_HANDOVER);
if (imsCall == mUssdSession) {
mUssdSession = null;
if (mPendingUssd != null) {
CommandException ex =
new CommandException(CommandException.Error.GENERIC_FAILURE);
AsyncResult.forMessage(mPendingUssd, null, ex);
mPendingUssd.sendToTarget();
mPendingUssd = null;
}
}
imsCall.close();
}
@Override
public void onCallUssdMessageReceived(ImsCall call,
int mode, String ussdMessage) {
if (DBG) log("mImsUssdListener onCallUssdMessageReceived mode=" + mode);
int ussdMode = -1;
switch(mode) {
case ImsCall.USSD_MODE_REQUEST:
ussdMode = CommandsInterface.USSD_MODE_REQUEST;
break;
case ImsCall.USSD_MODE_NOTIFY:
ussdMode = CommandsInterface.USSD_MODE_NOTIFY;
break;
}
mPhone.onIncomingUSSD(ussdMode, ussdMessage);
}
};
/**
* Listen to the IMS service state change
*
*/
private ImsConnectionStateListener mImsConnectionStateListener =
new ImsConnectionStateListener() {
@Override
public void onImsConnected(int imsRadioTech) {
if (DBG) log("onImsConnected imsRadioTech=" + imsRadioTech);
mPhone.setServiceState(ServiceState.STATE_IN_SERVICE);
mPhone.setImsRegistered(true);
mMetrics.writeOnImsConnectionState(mPhone.getPhoneId(),
ImsConnectionState.State.CONNECTED, null);
}
@Override
public void onImsDisconnected(ImsReasonInfo imsReasonInfo) {
if (DBG) log("onImsDisconnected imsReasonInfo=" + imsReasonInfo);
resetImsCapabilities();
mPhone.setServiceState(ServiceState.STATE_OUT_OF_SERVICE);
mPhone.setImsRegistered(false);
mPhone.processDisconnectReason(imsReasonInfo);
mMetrics.writeOnImsConnectionState(mPhone.getPhoneId(),
ImsConnectionState.State.DISCONNECTED, imsReasonInfo);
}
@Override
public void onImsProgressing(int imsRadioTech) {
if (DBG) log("onImsProgressing imsRadioTech=" + imsRadioTech);
mPhone.setServiceState(ServiceState.STATE_OUT_OF_SERVICE);
mPhone.setImsRegistered(false);
mMetrics.writeOnImsConnectionState(mPhone.getPhoneId(),
ImsConnectionState.State.PROGRESSING, null);
}
@Override
public void onImsResumed() {
if (DBG) log("onImsResumed");
mPhone.setServiceState(ServiceState.STATE_IN_SERVICE);
mMetrics.writeOnImsConnectionState(mPhone.getPhoneId(),
ImsConnectionState.State.RESUMED, null);
}
@Override
public void onImsSuspended() {
if (DBG) log("onImsSuspended");
mPhone.setServiceState(ServiceState.STATE_OUT_OF_SERVICE);
mMetrics.writeOnImsConnectionState(mPhone.getPhoneId(),
ImsConnectionState.State.SUSPENDED, null);
}
@Override
public void onFeatureCapabilityChanged(int serviceClass,
int[] enabledFeatures, int[] disabledFeatures) {
if (DBG) log("onFeatureCapabilityChanged");
SomeArgs args = SomeArgs.obtain();
args.argi1 = serviceClass;
args.arg1 = enabledFeatures;
args.arg2 = disabledFeatures;
// Remove any pending updates; they're already stale, so no need to process them.
removeMessages(EVENT_ON_FEATURE_CAPABILITY_CHANGED);
obtainMessage(EVENT_ON_FEATURE_CAPABILITY_CHANGED, args).sendToTarget();
}
@Override
public void onVoiceMessageCountChanged(int count) {
if (DBG) log("onVoiceMessageCountChanged :: count=" + count);
mPhone.mDefaultPhone.setVoiceMessageCount(count);
}
@Override
public void registrationAssociatedUriChanged(Uri[] uris) {
if (DBG) log("registrationAssociatedUriChanged");
mPhone.setCurrentSubscriberUris(uris);
}
};
private ImsConfigListener.Stub mImsConfigListener = new ImsConfigListener.Stub() {
@Override
public void onGetFeatureResponse(int feature, int network, int value, int status) {}
@Override
public void onSetFeatureResponse(int feature, int network, int value, int status) {
mMetrics.writeImsSetFeatureValue(
mPhone.getPhoneId(), feature, network, value, status);
}
@Override
public void onGetVideoQuality(int status, int quality) {}
@Override
public void onSetVideoQuality(int status) {}
};
public ImsUtInterface getUtInterface() throws ImsException {
if (mImsManager == null) {
throw getImsManagerIsNullException();
}
ImsUtInterface ut = mImsManager.getSupplementaryServiceConfiguration();
return ut;
}
private void transferHandoverConnections(ImsPhoneCall call) {
if (call.mConnections != null) {
for (Connection c : call.mConnections) {
c.mPreHandoverState = call.mState;
log ("Connection state before handover is " + c.getStateBeforeHandover());
}
}
if (mHandoverCall.mConnections == null ) {
mHandoverCall.mConnections = call.mConnections;
} else { // Multi-call SRVCC
mHandoverCall.mConnections.addAll(call.mConnections);
}
if (mHandoverCall.mConnections != null) {
if (call.getImsCall() != null) {
call.getImsCall().close();
}
for (Connection c : mHandoverCall.mConnections) {
((ImsPhoneConnection)c).changeParent(mHandoverCall);
((ImsPhoneConnection)c).releaseWakeLock();
}
}
if (call.getState().isAlive()) {
log ("Call is alive and state is " + call.mState);
mHandoverCall.mState = call.mState;
}
call.mConnections.clear();
call.mState = ImsPhoneCall.State.IDLE;
}
/* package */
void notifySrvccState(Call.SrvccState state) {
if (DBG) log("notifySrvccState state=" + state);
mSrvccState = state;
if (mSrvccState == Call.SrvccState.COMPLETED) {
transferHandoverConnections(mForegroundCall);
transferHandoverConnections(mBackgroundCall);
transferHandoverConnections(mRingingCall);
}
}
//****** Overridden from Handler
@Override
public void
handleMessage (Message msg) {
AsyncResult ar;
if (DBG) log("handleMessage what=" + msg.what);
switch (msg.what) {
case EVENT_HANGUP_PENDINGMO:
if (mPendingMO != null) {
mPendingMO.onDisconnect();
removeConnection(mPendingMO);
mPendingMO = null;
}
mPendingIntentExtras = null;
updatePhoneState();
mPhone.notifyPreciseCallStateChanged();
break;
case EVENT_RESUME_BACKGROUND:
try {
resumeWaitingOrHolding();
} catch (CallStateException e) {
if (Phone.DEBUG_PHONE) {
loge("handleMessage EVENT_RESUME_BACKGROUND exception=" + e);
}
}
break;
case EVENT_DIAL_PENDINGMO:
dialInternal(mPendingMO, mClirMode, mPendingCallVideoState, mPendingIntentExtras);
mPendingIntentExtras = null;
break;
case EVENT_EXIT_ECBM_BEFORE_PENDINGMO:
if (mPendingMO != null) {
//Send ECBM exit request
try {
getEcbmInterface().exitEmergencyCallbackMode();
mPhone.setOnEcbModeExitResponse(this, EVENT_EXIT_ECM_RESPONSE_CDMA, null);
pendingCallClirMode = mClirMode;
pendingCallInEcm = true;
} catch (ImsException e) {
e.printStackTrace();
mPendingMO.setDisconnectCause(DisconnectCause.ERROR_UNSPECIFIED);
sendEmptyMessageDelayed(EVENT_HANGUP_PENDINGMO, TIMEOUT_HANGUP_PENDINGMO);
}
}
break;
case EVENT_EXIT_ECM_RESPONSE_CDMA:
// no matter the result, we still do the same here
if (pendingCallInEcm) {
dialInternal(mPendingMO, pendingCallClirMode,
mPendingCallVideoState, mPendingIntentExtras);
mPendingIntentExtras = null;
pendingCallInEcm = false;
}
mPhone.unsetOnEcbModeExitResponse(this);
break;
case EVENT_VT_DATA_USAGE_UPDATE:
ar = (AsyncResult) msg.obj;
ImsCall call = (ImsCall) ar.userObj;
Long usage = (long) ar.result;
log("VT data usage update. usage = " + usage + ", imsCall = " + call);
if (usage > 0) {
updateVtDataUsage(call, usage);
}
break;
case EVENT_DATA_ENABLED_CHANGED:
ar = (AsyncResult) msg.obj;
if (ar.result instanceof Pair) {
Pair<Boolean, Integer> p = (Pair<Boolean, Integer>) ar.result;
onDataEnabledChanged(p.first, p.second);
}
break;
case EVENT_GET_IMS_SERVICE:
try {
getImsService();
} catch (ImsException e) {
loge("getImsService: " + e);
retryGetImsService();
}
break;
case EVENT_CHECK_FOR_WIFI_HANDOVER:
if (msg.obj instanceof ImsCall) {
ImsCall imsCall = (ImsCall) msg.obj;
if (!imsCall.isWifiCall()) {
// Call did not handover to wifi, notify of handover failure.
ImsPhoneConnection conn = findConnection(imsCall);
if (conn != null) {
conn.onHandoverToWifiFailed();
}
}
}
break;
case EVENT_ON_FEATURE_CAPABILITY_CHANGED: {
SomeArgs args = (SomeArgs) msg.obj;
try {
int serviceClass = args.argi1;
int[] enabledFeatures = (int[]) args.arg1;
int[] disabledFeatures = (int[]) args.arg2;
handleFeatureCapabilityChanged(serviceClass, enabledFeatures, disabledFeatures);
} finally {
args.recycle();
}
break;
}
}
}
/**
* Update video call data usage
*
* @param call The IMS call
* @param dataUsage The aggregated data usage for the call
*/
private void updateVtDataUsage(ImsCall call, long dataUsage) {
long oldUsage = 0L;
if (mVtDataUsageMap.containsKey(call.uniqueId)) {
oldUsage = mVtDataUsageMap.get(call.uniqueId);
}
long delta = dataUsage - oldUsage;
mVtDataUsageMap.put(call.uniqueId, dataUsage);
log("updateVtDataUsage: call=" + call + ", delta=" + delta);
long currentTime = SystemClock.elapsedRealtime();
int isRoaming = mPhone.getServiceState().getDataRoaming() ? 1 : 0;
// Create the snapshot of total video call data usage.
NetworkStats vtDataUsageSnapshot = new NetworkStats(currentTime, 1);
vtDataUsageSnapshot.combineAllValues(mVtDataUsageSnapshot);
// Since the modem only reports the total vt data usage rather than rx/tx separately,
// the only thing we can do here is splitting the usage into half rx and half tx.
// Uid -1 indicates this is for the overall device data usage.
vtDataUsageSnapshot.combineValues(new NetworkStats.Entry(
NetworkStatsService.VT_INTERFACE, -1, NetworkStats.SET_FOREGROUND,
NetworkStats.TAG_NONE, 1, isRoaming, delta / 2, 0, delta / 2, 0, 0));
mVtDataUsageSnapshot = vtDataUsageSnapshot;
// Create the snapshot of video call data usage per dialer. combineValues will create
// a separate entry if uid is different from the previous snapshot.
NetworkStats vtDataUsageUidSnapshot = new NetworkStats(currentTime, 1);
vtDataUsageUidSnapshot.combineAllValues(mVtDataUsageUidSnapshot);
// Since the modem only reports the total vt data usage rather than rx/tx separately,
// the only thing we can do here is splitting the usage into half rx and half tx.
vtDataUsageUidSnapshot.combineValues(new NetworkStats.Entry(
NetworkStatsService.VT_INTERFACE, mDefaultDialerUid.get(),
NetworkStats.SET_FOREGROUND, NetworkStats.TAG_NONE, 1, isRoaming, delta / 2,
0, delta / 2, 0, 0));
mVtDataUsageUidSnapshot = vtDataUsageUidSnapshot;
}
@Override
protected void log(String msg) {
Rlog.d(LOG_TAG, "[ImsPhoneCallTracker] " + msg);
}
protected void loge(String msg) {
Rlog.e(LOG_TAG, "[ImsPhoneCallTracker] " + msg);
}
/**
* Logs the current state of the ImsPhoneCallTracker. Useful for debugging issues with
* call tracking.
*/
/* package */
void logState() {
if (!VERBOSE_STATE_LOGGING) {
return;
}
StringBuilder sb = new StringBuilder();
sb.append("Current IMS PhoneCall State:\n");
sb.append(" Foreground: ");
sb.append(mForegroundCall);
sb.append("\n");
sb.append(" Background: ");
sb.append(mBackgroundCall);
sb.append("\n");
sb.append(" Ringing: ");
sb.append(mRingingCall);
sb.append("\n");
sb.append(" Handover: ");
sb.append(mHandoverCall);
sb.append("\n");
Rlog.v(LOG_TAG, sb.toString());
}
@Override
public void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
pw.println("ImsPhoneCallTracker extends:");
super.dump(fd, pw, args);
pw.println(" mVoiceCallEndedRegistrants=" + mVoiceCallEndedRegistrants);
pw.println(" mVoiceCallStartedRegistrants=" + mVoiceCallStartedRegistrants);
pw.println(" mRingingCall=" + mRingingCall);
pw.println(" mForegroundCall=" + mForegroundCall);
pw.println(" mBackgroundCall=" + mBackgroundCall);
pw.println(" mHandoverCall=" + mHandoverCall);
pw.println(" mPendingMO=" + mPendingMO);
//pw.println(" mHangupPendingMO=" + mHangupPendingMO);
pw.println(" mPhone=" + mPhone);
pw.println(" mDesiredMute=" + mDesiredMute);
pw.println(" mState=" + mState);
for (int i = 0; i < mImsFeatureEnabled.length; i++) {
pw.println(" " + mImsFeatureStrings[i] + ": "
+ ((mImsFeatureEnabled[i]) ? "enabled" : "disabled"));
}
pw.println(" mDefaultDialerUid=" + mDefaultDialerUid.get());
pw.println(" mVtDataUsageSnapshot=" + mVtDataUsageSnapshot);
pw.println(" mVtDataUsageUidSnapshot=" + mVtDataUsageUidSnapshot);
pw.flush();
pw.println("++++++++++++++++++++++++++++++++");
try {
if (mImsManager != null) {
mImsManager.dump(fd, pw, args);
}
} catch (Exception e) {
e.printStackTrace();
}
if (mConnections != null && mConnections.size() > 0) {
pw.println("mConnections:");
for (int i = 0; i < mConnections.size(); i++) {
pw.println(" [" + i + "]: " + mConnections.get(i));
}
}
}
@Override
protected void handlePollCalls(AsyncResult ar) {
}
/* package */
ImsEcbm getEcbmInterface() throws ImsException {
if (mImsManager == null) {
throw getImsManagerIsNullException();
}
ImsEcbm ecbm = mImsManager.getEcbmInterface(mServiceId);
return ecbm;
}
/* package */
ImsMultiEndpoint getMultiEndpointInterface() throws ImsException {
if (mImsManager == null) {
throw getImsManagerIsNullException();
}
try {
return mImsManager.getMultiEndpointInterface(mServiceId);
} catch (ImsException e) {
if (e.getCode() == ImsReasonInfo.CODE_MULTIENDPOINT_NOT_SUPPORTED) {
return null;
} else {
throw e;
}
}
}
public boolean isInEmergencyCall() {
return mIsInEmergencyCall;
}
public boolean isVolteEnabled() {
return mImsFeatureEnabled[ImsConfig.FeatureConstants.FEATURE_TYPE_VOICE_OVER_LTE];
}
public boolean isVowifiEnabled() {
return mImsFeatureEnabled[ImsConfig.FeatureConstants.FEATURE_TYPE_VOICE_OVER_WIFI];
}
public boolean isVideoCallEnabled() {
return (mImsFeatureEnabled[ImsConfig.FeatureConstants.FEATURE_TYPE_VIDEO_OVER_LTE]
|| mImsFeatureEnabled[ImsConfig.FeatureConstants.FEATURE_TYPE_VIDEO_OVER_WIFI]);
}
@Override
public PhoneConstants.State getState() {
return mState;
}
private void retryGetImsService() {
// The binder connection is already up. Do not try to get it again.
if (mImsManager.isServiceAvailable()) {
return;
}
//Leave mImsManager as null, then CallStateException will be thrown when dialing
mImsManager = null;
// Exponential backoff during retry, limited to 32 seconds.
loge("getImsService: Retrying getting ImsService...");
removeMessages(EVENT_GET_IMS_SERVICE);
sendEmptyMessageDelayed(EVENT_GET_IMS_SERVICE, mRetryTimeout.get());
}
private void setVideoCallProvider(ImsPhoneConnection conn, ImsCall imsCall)
throws RemoteException {
IImsVideoCallProvider imsVideoCallProvider =
imsCall.getCallSession().getVideoCallProvider();
if (imsVideoCallProvider != null) {
// TODO: Remove this when we can better formalize the format of session modify requests.
boolean useVideoPauseWorkaround = mPhone.getContext().getResources().getBoolean(
com.android.internal.R.bool.config_useVideoPauseWorkaround);
ImsVideoCallProviderWrapper imsVideoCallProviderWrapper =
new ImsVideoCallProviderWrapper(imsVideoCallProvider);
if (useVideoPauseWorkaround) {
imsVideoCallProviderWrapper.setUseVideoPauseWorkaround(useVideoPauseWorkaround);
}
conn.setVideoProvider(imsVideoCallProviderWrapper);
imsVideoCallProviderWrapper.registerForDataUsageUpdate
(this, EVENT_VT_DATA_USAGE_UPDATE, imsCall);
imsVideoCallProviderWrapper.addImsVideoProviderCallback(conn);
}
}
public boolean isUtEnabled() {
return (mImsFeatureEnabled[ImsConfig.FeatureConstants.FEATURE_TYPE_UT_OVER_LTE]
|| mImsFeatureEnabled[ImsConfig.FeatureConstants.FEATURE_TYPE_UT_OVER_WIFI]);
}
/**
* Given a call subject, removes any characters considered by the current carrier to be
* invalid, as well as escaping (using \) any characters which the carrier requires to be
* escaped.
*
* @param callSubject The call subject.
* @return The call subject with invalid characters removed and escaping applied as required.
*/
private String cleanseInstantLetteringMessage(String callSubject) {
if (TextUtils.isEmpty(callSubject)) {
return callSubject;
}
// Get the carrier config for the current sub.
CarrierConfigManager configMgr = (CarrierConfigManager)
mPhone.getContext().getSystemService(Context.CARRIER_CONFIG_SERVICE);
// Bail if we can't find the carrier config service.
if (configMgr == null) {
return callSubject;
}
PersistableBundle carrierConfig = configMgr.getConfigForSubId(mPhone.getSubId());
// Bail if no carrier config found.
if (carrierConfig == null) {
return callSubject;
}
// Try to replace invalid characters
String invalidCharacters = carrierConfig.getString(
CarrierConfigManager.KEY_CARRIER_INSTANT_LETTERING_INVALID_CHARS_STRING);
if (!TextUtils.isEmpty(invalidCharacters)) {
callSubject = callSubject.replaceAll(invalidCharacters, "");
}
// Try to escape characters which need to be escaped.
String escapedCharacters = carrierConfig.getString(
CarrierConfigManager.KEY_CARRIER_INSTANT_LETTERING_ESCAPED_CHARS_STRING);
if (!TextUtils.isEmpty(escapedCharacters)) {
callSubject = escapeChars(escapedCharacters, callSubject);
}
return callSubject;
}
/**
* Given a source string, return a string where a set of characters are escaped using the
* backslash character.
*
* @param toEscape The characters to escape with a backslash.
* @param source The source string.
* @return The source string with characters escaped.
*/
private String escapeChars(String toEscape, String source) {
StringBuilder escaped = new StringBuilder();
for (char c : source.toCharArray()) {
if (toEscape.contains(Character.toString(c))) {
escaped.append("\\");
}
escaped.append(c);
}
return escaped.toString();
}
/**
* Initiates a pull of an external call.
*
* Initiates a pull by making a dial request with the {@link ImsCallProfile#EXTRA_IS_CALL_PULL}
* extra specified. We call {@link ImsPhone#notifyUnknownConnection(Connection)} which notifies
* Telecom of the new dialed connection. The
* {@code PstnIncomingCallNotifier#maybeSwapWithUnknownConnection} logic ensures that the new
* {@link ImsPhoneConnection} resulting from the dial gets swapped with the
* {@link ImsExternalConnection}, which effectively makes the external call become a regular
* call. Magic!
*
* @param number The phone number of the call to be pulled.
* @param videoState The desired video state of the pulled call.
* @param dialogId The {@link ImsExternalConnection#getCallId()} dialog id associated with the
* call which is being pulled.
*/
@Override
public void pullExternalCall(String number, int videoState, int dialogId) {
Bundle extras = new Bundle();
extras.putBoolean(ImsCallProfile.EXTRA_IS_CALL_PULL, true);
extras.putInt(ImsExternalCallTracker.EXTRA_IMS_EXTERNAL_CALL_ID, dialogId);
try {
Connection connection = dial(number, videoState, extras);
mPhone.notifyUnknownConnection(connection);
} catch (CallStateException e) {
loge("pullExternalCall failed - " + e);
}
}
private ImsException getImsManagerIsNullException() {
return new ImsException("no ims manager", ImsReasonInfo.CODE_LOCAL_ILLEGAL_STATE);
}
/**
* Determines if answering an incoming call will cause the active call to be disconnected.
* <p>
* This will be the case if
* {@link CarrierConfigManager#KEY_DROP_VIDEO_CALL_WHEN_ANSWERING_AUDIO_CALL_BOOL} is
* {@code true} for the carrier, the active call is a video call over WIFI, and the incoming
* call is an audio call.
*
* @param activeCall The active call.
* @param incomingCall The incoming call.
* @return {@code true} if answering the incoming call will cause the active call to be
* disconnected, {@code false} otherwise.
*/
private boolean shouldDisconnectActiveCallOnAnswer(ImsCall activeCall,
ImsCall incomingCall) {
if (activeCall == null || incomingCall == null) {
return false;
}
if (!mDropVideoCallWhenAnsweringAudioCall) {
return false;
}
boolean isActiveCallVideo = activeCall.isVideoCall() ||
(mTreatDowngradedVideoCallsAsVideoCalls && activeCall.wasVideoCall());
boolean isActiveCallOnWifi = activeCall.isWifiCall();
boolean isVoWifiEnabled = mImsManager.isWfcEnabledByPlatform(mPhone.getContext()) &&
mImsManager.isWfcEnabledByUser(mPhone.getContext());
boolean isIncomingCallAudio = !incomingCall.isVideoCall();
log("shouldDisconnectActiveCallOnAnswer : isActiveCallVideo=" + isActiveCallVideo +
" isActiveCallOnWifi=" + isActiveCallOnWifi + " isIncomingCallAudio=" +
isIncomingCallAudio + " isVowifiEnabled=" + isVoWifiEnabled);
return isActiveCallVideo && isActiveCallOnWifi && isIncomingCallAudio && !isVoWifiEnabled;
}
/**
* Get aggregated video call data usage since boot.
*
* @param perUidStats True if requesting data usage per uid, otherwise overall usage.
* @return Snapshot of video call data usage
*/
public NetworkStats getVtDataUsage(boolean perUidStats) {
// If there is an ongoing VT call, request the latest VT usage from the modem. The latest
// usage will return asynchronously so it won't be counted in this round, but it will be
// eventually counted when next getVtDataUsage is called.
if (mState != PhoneConstants.State.IDLE) {
for (ImsPhoneConnection conn : mConnections) {
android.telecom.Connection.VideoProvider videoProvider = conn.getVideoProvider();
if (videoProvider != null) {
videoProvider.onRequestConnectionDataUsage();
}
}
}
return perUidStats ? mVtDataUsageUidSnapshot : mVtDataUsageSnapshot;
}
public void registerPhoneStateListener(PhoneStateListener listener) {
mPhoneStateListeners.add(listener);
}
public void unregisterPhoneStateListener(PhoneStateListener listener) {
mPhoneStateListeners.remove(listener);
}
/**
* Notifies local telephony listeners of changes to the IMS phone state.
*
* @param oldState The old state.
* @param newState The new state.
*/
private void notifyPhoneStateChanged(PhoneConstants.State oldState,
PhoneConstants.State newState) {
for (PhoneStateListener listener : mPhoneStateListeners) {
listener.onPhoneStateChanged(oldState, newState);
}
}
/** Modify video call to a new video state.
*
* @param imsCall IMS call to be modified
* @param newVideoState New video state. (Refer to VideoProfile)
*/
private void modifyVideoCall(ImsCall imsCall, int newVideoState) {
ImsPhoneConnection conn = findConnection(imsCall);
if (conn != null) {
int oldVideoState = conn.getVideoState();
if (conn.getVideoProvider() != null) {
conn.getVideoProvider().onSendSessionModifyRequest(
new VideoProfile(oldVideoState), new VideoProfile(newVideoState));
}
}
}
/**
* Handler of data enabled changed event
* @param enabled True if data is enabled, otherwise disabled.
* @param reason Reason for data enabled/disabled (see {@code REASON_*} in
* {@link DataEnabledSettings}.
*/
private void onDataEnabledChanged(boolean enabled, int reason) {
log("onDataEnabledChanged: enabled=" + enabled + ", reason=" + reason);
ImsManager.getInstance(mPhone.getContext(), mPhone.getPhoneId()).setDataEnabled(enabled);
mIsDataEnabled = enabled;
if (mIgnoreDataEnabledChangedForVideoCalls) {
log("Ignore data " + ((enabled) ? "enabled" : "disabled") + " due to carrier policy.");
return;
}
if (mIgnoreDataEnabledChangedForVideoCalls) {
log("Ignore data " + ((enabled) ? "enabled" : "disabled") + " due to carrier policy.");
return;
}
if (!enabled) {
int reasonCode;
if (reason == DataEnabledSettings.REASON_POLICY_DATA_ENABLED) {
reasonCode = ImsReasonInfo.CODE_DATA_LIMIT_REACHED;
} else if (reason == DataEnabledSettings.REASON_USER_DATA_ENABLED) {
reasonCode = ImsReasonInfo.CODE_DATA_DISABLED;
} else {
// Unexpected code, default to data disabled.
reasonCode = ImsReasonInfo.CODE_DATA_DISABLED;
}
// If data is disabled while there are ongoing VT calls which are not taking place over
// wifi, then they should be disconnected to prevent the user from incurring further
// data charges.
for (ImsPhoneConnection conn : mConnections) {
ImsCall imsCall = conn.getImsCall();
if (imsCall != null && imsCall.isVideoCall() && !imsCall.isWifiCall()) {
if (conn.hasCapabilities(
Connection.Capability.SUPPORTS_DOWNGRADE_TO_VOICE_LOCAL |
Connection.Capability.SUPPORTS_DOWNGRADE_TO_VOICE_REMOTE)) {
// If the carrier supports downgrading to voice, then we can simply issue a
// downgrade to voice instead of terminating the call.
if (reasonCode == ImsReasonInfo.CODE_DATA_DISABLED) {
conn.onConnectionEvent(TelephonyManager.EVENT_DOWNGRADE_DATA_DISABLED,
null);
} else if (reasonCode == ImsReasonInfo.CODE_DATA_LIMIT_REACHED) {
conn.onConnectionEvent(
TelephonyManager.EVENT_DOWNGRADE_DATA_LIMIT_REACHED, null);
}
modifyVideoCall(imsCall, VideoProfile.STATE_AUDIO_ONLY);
} else if (mSupportPauseVideo) {
// The carrier supports video pause signalling, so pause the video.
mShouldUpdateImsConfigOnDisconnect = true;
conn.pauseVideo(VideoPauseTracker.SOURCE_DATA_ENABLED);
} else {
// At this point the only choice we have is to terminate the call.
try {
imsCall.terminate(ImsReasonInfo.CODE_USER_TERMINATED, reasonCode);
} catch (ImsException ie) {
loge("Couldn't terminate call " + imsCall);
}
}
}
}
} else if (mSupportPauseVideo) {
// Data was re-enabled, so un-pause previously paused video calls.
for (ImsPhoneConnection conn : mConnections) {
// If video is paused, check to see if there are any pending pauses due to enabled
// state of data changing.
log("onDataEnabledChanged - resuming " + conn);
if (VideoProfile.isPaused(conn.getVideoState()) &&
conn.wasVideoPausedFromSource(VideoPauseTracker.SOURCE_DATA_ENABLED)) {
// The data enabled state was a cause of a pending pause, so potentially
// resume the video now.
conn.resumeVideo(VideoPauseTracker.SOURCE_DATA_ENABLED);
}
}
mShouldUpdateImsConfigOnDisconnect = false;
}
// We do not want to update the ImsConfig for REASON_REGISTERED, since it can happen before
// the carrier config has loaded and will deregister IMS.
if (!mShouldUpdateImsConfigOnDisconnect
&& reason != DataEnabledSettings.REASON_REGISTERED) {
// This will call into updateVideoCallFeatureValue and eventually all clients will be
// asynchronously notified that the availability of VT over LTE has changed.
ImsManager.updateImsServiceConfig(mPhone.getContext(), mPhone.getPhoneId(), true);
}
}
private void resetImsCapabilities() {
log("Resetting Capabilities...");
for (int i = 0; i < mImsFeatureEnabled.length; i++) {
mImsFeatureEnabled[i] = false;
}
}
/**
* @return {@code true} if the device is connected to a WIFI network, {@code false} otherwise.
*/
private boolean isWifiConnected() {
ConnectivityManager cm = (ConnectivityManager) mPhone.getContext()
.getSystemService(Context.CONNECTIVITY_SERVICE);
if (cm != null) {
NetworkInfo ni = cm.getActiveNetworkInfo();
if (ni != null && ni.isConnected()) {
return ni.getType() == ConnectivityManager.TYPE_WIFI;
}
}
return false;
}
/**
* @return {@code true} if downgrading of a video call to audio is supported.
*/
public boolean isCarrierDowngradeOfVtCallSupported() {
return mSupportDowngradeVtToAudio;
}
private void handleFeatureCapabilityChanged(int serviceClass,
int[] enabledFeatures, int[] disabledFeatures) {
if (serviceClass == ImsServiceClass.MMTEL) {
boolean tmpIsVideoCallEnabled = isVideoCallEnabled();
// Check enabledFeatures to determine capabilities. We ignore disabledFeatures.
StringBuilder sb;
if (DBG) {
sb = new StringBuilder(120);
sb.append("handleFeatureCapabilityChanged: ");
}
for (int i = ImsConfig.FeatureConstants.FEATURE_TYPE_VOICE_OVER_LTE;
i <= ImsConfig.FeatureConstants.FEATURE_TYPE_UT_OVER_WIFI &&
i < enabledFeatures.length; i++) {
if (enabledFeatures[i] == i) {
// If the feature is set to its own integer value it is enabled.
if (DBG) {
sb.append(mImsFeatureStrings[i]);
sb.append(":true ");
}
mImsFeatureEnabled[i] = true;
} else if (enabledFeatures[i]
== ImsConfig.FeatureConstants.FEATURE_TYPE_UNKNOWN) {
// FEATURE_TYPE_UNKNOWN indicates that a feature is disabled.
if (DBG) {
sb.append(mImsFeatureStrings[i]);
sb.append(":false ");
}
mImsFeatureEnabled[i] = false;
} else {
// Feature has unknown state; it is not its own value or -1.
if (DBG) {
loge("handleFeatureCapabilityChanged(" + i + ", " + mImsFeatureStrings[i]
+ "): unexpectedValue=" + enabledFeatures[i]);
}
}
}
boolean isVideoEnabled = isVideoCallEnabled();
boolean isVideoEnabledStatechanged = tmpIsVideoCallEnabled != isVideoEnabled;
if (DBG) {
sb.append(" isVideoEnabledStateChanged=");
sb.append(isVideoEnabledStatechanged);
}
if (isVideoEnabledStatechanged) {
log("handleFeatureCapabilityChanged - notifyForVideoCapabilityChanged=" +
isVideoEnabled);
mPhone.notifyForVideoCapabilityChanged(isVideoEnabled);
}
if (DBG) {
log(sb.toString());
}
if (DBG) log("handleFeatureCapabilityChanged: isVolteEnabled=" + isVolteEnabled()
+ ", isVideoCallEnabled=" + isVideoCallEnabled()
+ ", isVowifiEnabled=" + isVowifiEnabled()
+ ", isUtEnabled=" + isUtEnabled());
mPhone.onFeatureCapabilityChanged();
mMetrics.writeOnImsCapabilities(
mPhone.getPhoneId(), mImsFeatureEnabled);
}
}
}