/*
* 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.ims;
import android.app.PendingIntent;
import android.content.Context;
import android.content.Intent;
import android.os.IBinder;
import android.os.Message;
import android.os.RemoteException;
import android.os.ServiceManager;
import android.os.SystemProperties;
import android.provider.Settings;
import android.telecom.TelecomManager;
import android.telephony.Rlog;
import android.telephony.SubscriptionManager;
import android.telephony.TelephonyManager;
import com.android.ims.internal.IImsCallSession;
import com.android.ims.internal.IImsEcbm;
import com.android.ims.internal.IImsEcbmListener;
import com.android.ims.internal.IImsRegistrationListener;
import com.android.ims.internal.IImsService;
import com.android.ims.internal.IImsUt;
import com.android.ims.internal.ImsCallSession;
import com.android.ims.internal.IImsConfig;
import java.util.HashMap;
/**
* Provides APIs for IMS services, such as initiating IMS calls, and provides access to
* the operator's IMS network. This class is the starting point for any IMS actions.
* You can acquire an instance of it with {@link #getInstance getInstance()}.</p>
* <p>The APIs in this class allows you to:</p>
*
* @hide
*/
public class ImsManager {
/*
* Debug flag to override configuration flag
*/
public static final String PROPERTY_DBG_VOLTE_AVAIL_OVERRIDE = "persist.dbg.volte_avail_ovr";
public static final int PROPERTY_DBG_VOLTE_AVAIL_OVERRIDE_DEFAULT = 0;
public static final String PROPERTY_DBG_VT_AVAIL_OVERRIDE = "persist.dbg.vt_avail_ovr";
public static final int PROPERTY_DBG_VT_AVAIL_OVERRIDE_DEFAULT = 0;
/**
* For accessing the IMS related service.
* Internal use only.
* @hide
*/
private static final String IMS_SERVICE = "ims";
/**
* The result code to be sent back with the incoming call {@link PendingIntent}.
* @see #open(PendingIntent, ImsConnectionStateListener)
*/
public static final int INCOMING_CALL_RESULT_CODE = 101;
/**
* Key to retrieve the call ID from an incoming call intent.
* @see #open(PendingIntent, ImsConnectionStateListener)
*/
public static final String EXTRA_CALL_ID = "android:imsCallID";
/**
* Action to broadcast when ImsService is up.
* Internal use only.
* @hide
*/
public static final String ACTION_IMS_SERVICE_UP =
"com.android.ims.IMS_SERVICE_UP";
/**
* Action to broadcast when ImsService is down.
* Internal use only.
* @hide
*/
public static final String ACTION_IMS_SERVICE_DOWN =
"com.android.ims.IMS_SERVICE_DOWN";
/**
* Part of the ACTION_IMS_SERVICE_UP or _DOWN intents.
* A long value; the phone ID corresponding to the IMS service coming up or down.
* Internal use only.
* @hide
*/
public static final String EXTRA_PHONE_ID = "android:phone_id";
/**
* Action for the incoming call intent for the Phone app.
* Internal use only.
* @hide
*/
public static final String ACTION_IMS_INCOMING_CALL =
"com.android.ims.IMS_INCOMING_CALL";
/**
* Part of the ACTION_IMS_INCOMING_CALL intents.
* An integer value; service identifier obtained from {@link ImsManager#open}.
* Internal use only.
* @hide
*/
public static final String EXTRA_SERVICE_ID = "android:imsServiceId";
/**
* Part of the ACTION_IMS_INCOMING_CALL intents.
* An boolean value; Flag to indicate that the incoming call is a normal call or call for USSD.
* The value "true" indicates that the incoming call is for USSD.
* Internal use only.
* @hide
*/
public static final String EXTRA_USSD = "android:ussd";
private static final String TAG = "ImsManager";
private static final boolean DBG = true;
private static HashMap<Integer, ImsManager> sImsManagerInstances =
new HashMap<Integer, ImsManager>();
private Context mContext;
private int mPhoneId;
private IImsService mImsService = null;
private ImsServiceDeathRecipient mDeathRecipient = new ImsServiceDeathRecipient();
// Ut interface for the supplementary service configuration
private ImsUt mUt = null;
// Interface to get/set ims config items
private ImsConfig mConfig = null;
// ECBM interface
private ImsEcbm mEcbm = null;
/**
* Gets a manager instance.
*
* @param context application context for creating the manager object
* @param phoneId the phone ID for the IMS Service
* @return the manager instance corresponding to the phoneId
*/
public static ImsManager getInstance(Context context, int phoneId) {
synchronized (sImsManagerInstances) {
if (sImsManagerInstances.containsKey(phoneId))
return sImsManagerInstances.get(phoneId);
ImsManager mgr = new ImsManager(context, phoneId);
sImsManagerInstances.put(phoneId, mgr);
return mgr;
}
}
/**
* Returns the user configuration of Enhanced 4G LTE Mode setting
*/
public static boolean isEnhanced4gLteModeSettingEnabledByUser(Context context) {
int enabled = android.provider.Settings.Global.getInt(
context.getContentResolver(),
android.provider.Settings.Global.ENHANCED_4G_MODE_ENABLED, ImsConfig.FeatureValueConstants.ON);
return (enabled == 1)? true:false;
}
/**
* Change persistent Enhanced 4G LTE Mode setting
*/
public static void setEnhanced4gLteModeSetting(Context context, boolean enabled) {
int value = enabled ? 1 : 0;
android.provider.Settings.Global.putInt(
context.getContentResolver(),
android.provider.Settings.Global.ENHANCED_4G_MODE_ENABLED, value);
if (isNonTtyOrTtyOnVolteEnabled(context)) {
ImsManager imsManager = ImsManager.getInstance(context,
SubscriptionManager.getDefaultVoicePhoneId());
if (imsManager != null) {
try {
imsManager.setAdvanced4GMode(enabled);
} catch (ImsException ie) {
// do nothing
}
}
}
}
/**
* Indicates whether the call is non-TTY or if TTY - whether TTY on VoLTE is
* supported.
*/
public static boolean isNonTtyOrTtyOnVolteEnabled(Context context) {
if (context.getResources().getBoolean(
com.android.internal.R.bool.config_carrier_volte_tty_supported)) {
return true;
}
return Settings.Secure.getInt(context.getContentResolver(),
Settings.Secure.PREFERRED_TTY_MODE, TelecomManager.TTY_MODE_OFF)
== TelecomManager.TTY_MODE_OFF;
}
/**
* Returns a platform configuration for VoLTE which may override the user setting.
*/
public static boolean isVolteEnabledByPlatform(Context context) {
if (SystemProperties.getInt(PROPERTY_DBG_VOLTE_AVAIL_OVERRIDE,
PROPERTY_DBG_VOLTE_AVAIL_OVERRIDE_DEFAULT) == 1) {
return true;
}
boolean disabledByGlobalSetting = android.provider.Settings.Global.getInt(
context.getContentResolver(),
android.provider.Settings.Global.VOLTE_FEATURE_DISABLED, 0) == 1;
return context.getResources().getBoolean(
com.android.internal.R.bool.config_device_volte_available) && context.getResources()
.getBoolean(com.android.internal.R.bool.config_carrier_volte_available)
&& !disabledByGlobalSetting;
}
/*
* Indicates whether VoLTE is provisioned on device
*/
public static boolean isVolteProvisionedOnDevice(Context context) {
boolean isProvisioned = true;
if (context.getResources().getBoolean(
com.android.internal.R.bool.config_carrier_volte_provisioned)) {
isProvisioned = false; // disable on any error
ImsManager mgr = ImsManager.getInstance(context,
SubscriptionManager.getDefaultVoiceSubId());
if (mgr != null) {
try {
ImsConfig config = mgr.getConfigInterface();
if (config != null) {
isProvisioned = config.getVolteProvisioned();
}
} catch (ImsException ie) {
// do nothing
}
}
}
return isProvisioned;
}
/**
* Returns a platform configuration for VT which may override the user setting.
*
* Note: VT presumes that VoLTE is enabled (these are configuration settings
* which must be done correctly).
*/
public static boolean isVtEnabledByPlatform(Context context) {
if (SystemProperties.getInt(PROPERTY_DBG_VT_AVAIL_OVERRIDE,
PROPERTY_DBG_VT_AVAIL_OVERRIDE_DEFAULT) == 1) {
return true;
}
return
context.getResources().getBoolean(
com.android.internal.R.bool.config_device_vt_available) &&
context.getResources().getBoolean(
com.android.internal.R.bool.config_carrier_vt_available);
}
private ImsManager(Context context, int phoneId) {
mContext = context;
mPhoneId = phoneId;
createImsService(true);
}
/**
* Opens the IMS service for making calls and/or receiving generic IMS calls.
* The caller may make subsquent calls through {@link #makeCall}.
* The IMS service will register the device to the operator's network with the credentials
* (from ISIM) periodically in order to receive calls from the operator's network.
* When the IMS service receives a new call, it will send out an intent with
* the provided action string.
* The intent contains a call ID extra {@link getCallId} and it can be used to take a call.
*
* @param serviceClass a service class specified in {@link ImsServiceClass}
* For VoLTE service, it MUST be a {@link ImsServiceClass#MMTEL}.
* @param incomingCallPendingIntent When an incoming call is received,
* the IMS service will call {@link PendingIntent#send(Context, int, Intent)} to
* send back the intent to the caller with {@link #INCOMING_CALL_RESULT_CODE}
* as the result code and the intent to fill in the call ID; It cannot be null
* @param listener To listen to IMS registration events; It cannot be null
* @return identifier (greater than 0) for the specified service
* @throws NullPointerException if {@code incomingCallPendingIntent}
* or {@code listener} is null
* @throws ImsException if calling the IMS service results in an error
* @see #getCallId
* @see #getServiceId
*/
public int open(int serviceClass, PendingIntent incomingCallPendingIntent,
ImsConnectionStateListener listener) throws ImsException {
checkAndThrowExceptionIfServiceUnavailable();
if (incomingCallPendingIntent == null) {
throw new NullPointerException("incomingCallPendingIntent can't be null");
}
if (listener == null) {
throw new NullPointerException("listener can't be null");
}
int result = 0;
try {
result = mImsService.open(mPhoneId, serviceClass, incomingCallPendingIntent,
createRegistrationListenerProxy(serviceClass, listener));
} catch (RemoteException e) {
throw new ImsException("open()", e,
ImsReasonInfo.CODE_LOCAL_IMS_SERVICE_DOWN);
}
if (result <= 0) {
// If the return value is a minus value,
// it means that an error occurred in the service.
// So, it needs to convert to the reason code specified in ImsReasonInfo.
throw new ImsException("open()", (result * (-1)));
}
return result;
}
/**
* Closes the specified service ({@link ImsServiceClass}) not to make/receive calls.
* All the resources that were allocated to the service are also released.
*
* @param serviceId a service id to be closed which is obtained from {@link ImsManager#open}
* @throws ImsException if calling the IMS service results in an error
*/
public void close(int serviceId) throws ImsException {
checkAndThrowExceptionIfServiceUnavailable();
try {
mImsService.close(serviceId);
} catch (RemoteException e) {
throw new ImsException("close()", e,
ImsReasonInfo.CODE_LOCAL_IMS_SERVICE_DOWN);
} finally {
mUt = null;
mConfig = null;
mEcbm = null;
}
}
/**
* Gets the configuration interface to provision / withdraw the supplementary service settings.
*
* @param serviceId a service id which is obtained from {@link ImsManager#open}
* @return the Ut interface instance
* @throws ImsException if getting the Ut interface results in an error
*/
public ImsUtInterface getSupplementaryServiceConfiguration(int serviceId)
throws ImsException {
// FIXME: manage the multiple Ut interfaces based on the service id
if (mUt == null) {
checkAndThrowExceptionIfServiceUnavailable();
try {
IImsUt iUt = mImsService.getUtInterface(serviceId);
if (iUt == null) {
throw new ImsException("getSupplementaryServiceConfiguration()",
ImsReasonInfo.CODE_UT_NOT_SUPPORTED);
}
mUt = new ImsUt(iUt);
} catch (RemoteException e) {
throw new ImsException("getSupplementaryServiceConfiguration()", e,
ImsReasonInfo.CODE_LOCAL_IMS_SERVICE_DOWN);
}
}
return mUt;
}
/**
* Checks if the IMS service has successfully registered to the IMS network
* with the specified service & call type.
*
* @param serviceId a service id which is obtained from {@link ImsManager#open}
* @param serviceType a service type that is specified in {@link ImsCallProfile}
* {@link ImsCallProfile#SERVICE_TYPE_NORMAL}
* {@link ImsCallProfile#SERVICE_TYPE_EMERGENCY}
* @param callType a call type that is specified in {@link ImsCallProfile}
* {@link ImsCallProfile#CALL_TYPE_VOICE_N_VIDEO}
* {@link ImsCallProfile#CALL_TYPE_VOICE}
* {@link ImsCallProfile#CALL_TYPE_VT}
* {@link ImsCallProfile#CALL_TYPE_VS}
* @return true if the specified service id is connected to the IMS network;
* false otherwise
* @throws ImsException if calling the IMS service results in an error
*/
public boolean isConnected(int serviceId, int serviceType, int callType)
throws ImsException {
checkAndThrowExceptionIfServiceUnavailable();
try {
return mImsService.isConnected(serviceId, serviceType, callType);
} catch (RemoteException e) {
throw new ImsException("isServiceConnected()", e,
ImsReasonInfo.CODE_LOCAL_IMS_SERVICE_DOWN);
}
}
/**
* Checks if the specified IMS service is opend.
*
* @param serviceId a service id which is obtained from {@link ImsManager#open}
* @return true if the specified service id is opened; false otherwise
* @throws ImsException if calling the IMS service results in an error
*/
public boolean isOpened(int serviceId) throws ImsException {
checkAndThrowExceptionIfServiceUnavailable();
try {
return mImsService.isOpened(serviceId);
} catch (RemoteException e) {
throw new ImsException("isOpened()", e,
ImsReasonInfo.CODE_LOCAL_IMS_SERVICE_DOWN);
}
}
/**
* Creates a {@link ImsCallProfile} from the service capabilities & IMS registration state.
*
* @param serviceId a service id which is obtained from {@link ImsManager#open}
* @param serviceType a service type that is specified in {@link ImsCallProfile}
* {@link ImsCallProfile#SERVICE_TYPE_NONE}
* {@link ImsCallProfile#SERVICE_TYPE_NORMAL}
* {@link ImsCallProfile#SERVICE_TYPE_EMERGENCY}
* @param callType a call type that is specified in {@link ImsCallProfile}
* {@link ImsCallProfile#CALL_TYPE_VOICE}
* {@link ImsCallProfile#CALL_TYPE_VT}
* {@link ImsCallProfile#CALL_TYPE_VT_TX}
* {@link ImsCallProfile#CALL_TYPE_VT_RX}
* {@link ImsCallProfile#CALL_TYPE_VT_NODIR}
* {@link ImsCallProfile#CALL_TYPE_VS}
* {@link ImsCallProfile#CALL_TYPE_VS_TX}
* {@link ImsCallProfile#CALL_TYPE_VS_RX}
* @return a {@link ImsCallProfile} object
* @throws ImsException if calling the IMS service results in an error
*/
public ImsCallProfile createCallProfile(int serviceId,
int serviceType, int callType) throws ImsException {
checkAndThrowExceptionIfServiceUnavailable();
try {
return mImsService.createCallProfile(serviceId, serviceType, callType);
} catch (RemoteException e) {
throw new ImsException("createCallProfile()", e,
ImsReasonInfo.CODE_LOCAL_IMS_SERVICE_DOWN);
}
}
/**
* Creates a {@link ImsCall} to make a call.
*
* @param serviceId a service id which is obtained from {@link ImsManager#open}
* @param profile a call profile to make the call
* (it contains service type, call type, media information, etc.)
* @param participants participants to invite the conference call
* @param listener listen to the call events from {@link ImsCall}
* @return a {@link ImsCall} object
* @throws ImsException if calling the IMS service results in an error
*/
public ImsCall makeCall(int serviceId, ImsCallProfile profile, String[] callees,
ImsCall.Listener listener) throws ImsException {
if (DBG) {
log("makeCall :: serviceId=" + serviceId
+ ", profile=" + profile + ", callees=" + callees);
}
checkAndThrowExceptionIfServiceUnavailable();
ImsCall call = new ImsCall(mContext, profile);
call.setListener(listener);
ImsCallSession session = createCallSession(serviceId, profile);
if ((callees != null) && (callees.length == 1)) {
call.start(session, callees[0]);
} else {
call.start(session, callees);
}
return call;
}
/**
* Creates a {@link ImsCall} to take an incoming call.
*
* @param serviceId a service id which is obtained from {@link ImsManager#open}
* @param incomingCallIntent the incoming call broadcast intent
* @param listener to listen to the call events from {@link ImsCall}
* @return a {@link ImsCall} object
* @throws ImsException if calling the IMS service results in an error
*/
public ImsCall takeCall(int serviceId, Intent incomingCallIntent,
ImsCall.Listener listener) throws ImsException {
if (DBG) {
log("takeCall :: serviceId=" + serviceId
+ ", incomingCall=" + incomingCallIntent);
}
checkAndThrowExceptionIfServiceUnavailable();
if (incomingCallIntent == null) {
throw new ImsException("Can't retrieve session with null intent",
ImsReasonInfo.CODE_LOCAL_ILLEGAL_ARGUMENT);
}
int incomingServiceId = getServiceId(incomingCallIntent);
if (serviceId != incomingServiceId) {
throw new ImsException("Service id is mismatched in the incoming call intent",
ImsReasonInfo.CODE_LOCAL_ILLEGAL_ARGUMENT);
}
String callId = getCallId(incomingCallIntent);
if (callId == null) {
throw new ImsException("Call ID missing in the incoming call intent",
ImsReasonInfo.CODE_LOCAL_ILLEGAL_ARGUMENT);
}
try {
IImsCallSession session = mImsService.getPendingCallSession(serviceId, callId);
if (session == null) {
throw new ImsException("No pending session for the call",
ImsReasonInfo.CODE_LOCAL_NO_PENDING_CALL);
}
ImsCall call = new ImsCall(mContext, session.getCallProfile());
call.attachSession(new ImsCallSession(session));
call.setListener(listener);
return call;
} catch (Throwable t) {
throw new ImsException("takeCall()", t, ImsReasonInfo.CODE_UNSPECIFIED);
}
}
/**
* Gets the config interface to get/set service/capability parameters.
*
* @return the ImsConfig instance.
* @throws ImsException if getting the setting interface results in an error.
*/
public ImsConfig getConfigInterface() throws ImsException {
if (mConfig == null) {
checkAndThrowExceptionIfServiceUnavailable();
try {
IImsConfig config = mImsService.getConfigInterface(mPhoneId);
if (config == null) {
throw new ImsException("getConfigInterface()",
ImsReasonInfo.CODE_LOCAL_SERVICE_UNAVAILABLE);
}
mConfig = new ImsConfig(config, mContext);
} catch (RemoteException e) {
throw new ImsException("getConfigInterface()", e,
ImsReasonInfo.CODE_LOCAL_IMS_SERVICE_DOWN);
}
}
if (DBG) log("getConfigInterface(), mConfig= " + mConfig);
return mConfig;
}
public void setUiTTYMode(Context context, int serviceId, int uiTtyMode, Message onComplete)
throws ImsException {
checkAndThrowExceptionIfServiceUnavailable();
try {
mImsService.setUiTTYMode(serviceId, uiTtyMode, onComplete);
} catch (RemoteException e) {
throw new ImsException("setTTYMode()", e,
ImsReasonInfo.CODE_LOCAL_IMS_SERVICE_DOWN);
}
if (!context.getResources().getBoolean(
com.android.internal.R.bool.config_carrier_volte_tty_supported)) {
setAdvanced4GMode((uiTtyMode == TelecomManager.TTY_MODE_OFF) &&
isEnhanced4gLteModeSettingEnabledByUser(context));
}
}
/**
* Gets the call ID from the specified incoming call broadcast intent.
*
* @param incomingCallIntent the incoming call broadcast intent
* @return the call ID or null if the intent does not contain it
*/
private static String getCallId(Intent incomingCallIntent) {
if (incomingCallIntent == null) {
return null;
}
return incomingCallIntent.getStringExtra(EXTRA_CALL_ID);
}
/**
* Gets the service type from the specified incoming call broadcast intent.
*
* @param incomingCallIntent the incoming call broadcast intent
* @return the service identifier or -1 if the intent does not contain it
*/
private static int getServiceId(Intent incomingCallIntent) {
if (incomingCallIntent == null) {
return (-1);
}
return incomingCallIntent.getIntExtra(EXTRA_SERVICE_ID, -1);
}
/**
* Binds the IMS service only if the service is not created.
*/
private void checkAndThrowExceptionIfServiceUnavailable()
throws ImsException {
if (mImsService == null) {
createImsService(true);
if (mImsService == null) {
throw new ImsException("Service is unavailable",
ImsReasonInfo.CODE_LOCAL_IMS_SERVICE_DOWN);
}
}
}
private static String getImsServiceName(int phoneId) {
// TODO: MSIM implementation needs to decide on service name as a function of phoneId
return IMS_SERVICE;
}
/**
* Binds the IMS service to make/receive the call.
*/
private void createImsService(boolean checkService) {
if (checkService) {
IBinder binder = ServiceManager.checkService(getImsServiceName(mPhoneId));
if (binder == null) {
return;
}
}
IBinder b = ServiceManager.getService(getImsServiceName(mPhoneId));
if (b != null) {
try {
b.linkToDeath(mDeathRecipient, 0);
} catch (RemoteException e) {
}
}
mImsService = IImsService.Stub.asInterface(b);
}
/**
* Creates a {@link ImsCallSession} with the specified call profile.
* Use other methods, if applicable, instead of interacting with
* {@link ImsCallSession} directly.
*
* @param serviceId a service id which is obtained from {@link ImsManager#open}
* @param profile a call profile to make the call
*/
private ImsCallSession createCallSession(int serviceId,
ImsCallProfile profile) throws ImsException {
try {
return new ImsCallSession(mImsService.createCallSession(serviceId, profile, null));
} catch (RemoteException e) {
return null;
}
}
private ImsRegistrationListenerProxy createRegistrationListenerProxy(int serviceClass,
ImsConnectionStateListener listener) {
ImsRegistrationListenerProxy proxy =
new ImsRegistrationListenerProxy(serviceClass, listener);
return proxy;
}
private void log(String s) {
Rlog.d(TAG, s);
}
private void loge(String s) {
Rlog.e(TAG, s);
}
private void loge(String s, Throwable t) {
Rlog.e(TAG, s, t);
}
/**
* Used for turning on IMS.if its off already
*/
private void turnOnIms() throws ImsException {
checkAndThrowExceptionIfServiceUnavailable();
try {
mImsService.turnOnIms(mPhoneId);
} catch (RemoteException e) {
throw new ImsException("turnOnIms() ", e, ImsReasonInfo.CODE_LOCAL_IMS_SERVICE_DOWN);
}
}
private void setAdvanced4GMode(boolean turnOn) throws ImsException {
checkAndThrowExceptionIfServiceUnavailable();
ImsConfig config = getConfigInterface();
if (config != null) {
config.setFeatureValue(ImsConfig.FeatureConstants.FEATURE_TYPE_VOICE_OVER_LTE,
TelephonyManager.NETWORK_TYPE_LTE, turnOn ? 1 : 0, null);
if (isVtEnabledByPlatform(mContext)) {
// TODO: once VT is available on platform replace the '1' with the current
// user configuration of VT.
config.setFeatureValue(ImsConfig.FeatureConstants.FEATURE_TYPE_VIDEO_OVER_LTE,
TelephonyManager.NETWORK_TYPE_LTE, turnOn ? 1 : 0, null);
}
}
if (turnOn) {
turnOnIms();
} else if (mContext.getResources().getBoolean(
com.android.internal.R.bool.imsServiceAllowTurnOff)) {
log("setAdvanced4GMode() : imsServiceAllowTurnOff -> turnOffIms");
turnOffIms();
}
}
/**
* Used for turning off IMS completely in order to make the device CSFB'ed.
* Once turned off, all calls will be over CS.
*/
private void turnOffIms() throws ImsException {
checkAndThrowExceptionIfServiceUnavailable();
try {
mImsService.turnOffIms(mPhoneId);
} catch (RemoteException e) {
throw new ImsException("turnOffIms() ", e, ImsReasonInfo.CODE_LOCAL_IMS_SERVICE_DOWN);
}
}
/**
* Death recipient class for monitoring IMS service.
*/
private class ImsServiceDeathRecipient implements IBinder.DeathRecipient {
@Override
public void binderDied() {
mImsService = null;
mUt = null;
mConfig = null;
mEcbm = null;
if (mContext != null) {
Intent intent = new Intent(ACTION_IMS_SERVICE_DOWN);
intent.putExtra(EXTRA_PHONE_ID, mPhoneId);
mContext.sendBroadcast(new Intent(intent));
}
}
}
/**
* Adapter class for {@link IImsRegistrationListener}.
*/
private class ImsRegistrationListenerProxy extends IImsRegistrationListener.Stub {
private int mServiceClass;
private ImsConnectionStateListener mListener;
public ImsRegistrationListenerProxy(int serviceClass,
ImsConnectionStateListener listener) {
mServiceClass = serviceClass;
mListener = listener;
}
public boolean isSameProxy(int serviceClass) {
return (mServiceClass == serviceClass);
}
@Override
public void registrationConnected() {
if (DBG) {
log("registrationConnected ::");
}
if (mListener != null) {
mListener.onImsConnected();
}
}
@Override
public void registrationDisconnected() {
if (DBG) {
log("registrationDisconnected ::");
}
if (mListener != null) {
mListener.onImsDisconnected();
}
}
@Override
public void registrationResumed() {
if (DBG) {
log("registrationResumed ::");
}
if (mListener != null) {
mListener.onImsResumed();
}
}
@Override
public void registrationSuspended() {
if (DBG) {
log("registrationSuspended ::");
}
if (mListener != null) {
mListener.onImsSuspended();
}
}
@Override
public void registrationServiceCapabilityChanged(int serviceClass, int event) {
log("registrationServiceCapabilityChanged :: serviceClass=" +
serviceClass + ", event=" + event);
if (mListener != null) {
mListener.onImsConnected();
}
}
@Override
public void registrationFeatureCapabilityChanged(int serviceClass,
int[] enabledFeatures, int[] disabledFeatures) {
log("registrationFeatureCapabilityChanged :: serviceClass=" +
serviceClass);
if (mListener != null) {
mListener.onFeatureCapabilityChanged(serviceClass,
enabledFeatures, disabledFeatures);
}
}
}
/**
* Gets the ECBM interface to request ECBM exit.
*
* @param serviceId a service id which is obtained from {@link ImsManager#open}
* @return the ECBM interface instance
* @throws ImsException if getting the ECBM interface results in an error
*/
public ImsEcbm getEcbmInterface(int serviceId) throws ImsException {
if (mEcbm == null) {
checkAndThrowExceptionIfServiceUnavailable();
try {
IImsEcbm iEcbm = mImsService.getEcbmInterface(serviceId);
if (iEcbm == null) {
throw new ImsException("getEcbmInterface()",
ImsReasonInfo.CODE_ECBM_NOT_SUPPORTED);
}
mEcbm = new ImsEcbm(iEcbm);
} catch (RemoteException e) {
throw new ImsException("getEcbmInterface()", e,
ImsReasonInfo.CODE_LOCAL_IMS_SERVICE_DOWN);
}
}
return mEcbm;
}
}
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