ImsManager.java revision 183af604fb69ff73a9aeb333c0965221ab380f98
1/* 2 * Copyright (c) 2013 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package com.android.ims; 18 19import android.app.PendingIntent; 20import android.app.QueuedWork; 21import android.content.Context; 22import android.content.Intent; 23import android.os.IBinder; 24import android.os.Message; 25import android.os.RemoteException; 26import android.os.ServiceManager; 27import android.os.SystemProperties; 28import android.provider.Settings; 29import android.telecom.TelecomManager; 30import android.telephony.Rlog; 31import android.telephony.SubscriptionManager; 32import android.telephony.TelephonyManager; 33 34import com.android.ims.internal.IImsCallSession; 35import com.android.ims.internal.IImsEcbm; 36import com.android.ims.internal.IImsEcbmListener; 37import com.android.ims.internal.IImsRegistrationListener; 38import com.android.ims.internal.IImsService; 39import com.android.ims.internal.IImsUt; 40import com.android.ims.internal.ImsCallSession; 41import com.android.ims.internal.IImsConfig; 42 43import java.util.HashMap; 44 45/** 46 * Provides APIs for IMS services, such as initiating IMS calls, and provides access to 47 * the operator's IMS network. This class is the starting point for any IMS actions. 48 * You can acquire an instance of it with {@link #getInstance getInstance()}.</p> 49 * <p>The APIs in this class allows you to:</p> 50 * 51 * @hide 52 */ 53public class ImsManager { 54 55 /* 56 * Debug flag to override configuration flag 57 */ 58 public static final String PROPERTY_DBG_VOLTE_AVAIL_OVERRIDE = "persist.dbg.volte_avail_ovr"; 59 public static final int PROPERTY_DBG_VOLTE_AVAIL_OVERRIDE_DEFAULT = 0; 60 public static final String PROPERTY_DBG_VT_AVAIL_OVERRIDE = "persist.dbg.vt_avail_ovr"; 61 public static final int PROPERTY_DBG_VT_AVAIL_OVERRIDE_DEFAULT = 0; 62 public static final String PROPERTY_DBG_WFC_AVAIL_OVERRIDE = "persist.dbg.wfc_avail_ovr"; 63 public static final int PROPERTY_DBG_WFC_AVAIL_OVERRIDE_DEFAULT = 0; 64 65 /** 66 * For accessing the IMS related service. 67 * Internal use only. 68 * @hide 69 */ 70 private static final String IMS_SERVICE = "ims"; 71 72 /** 73 * The result code to be sent back with the incoming call {@link PendingIntent}. 74 * @see #open(PendingIntent, ImsConnectionStateListener) 75 */ 76 public static final int INCOMING_CALL_RESULT_CODE = 101; 77 78 /** 79 * Key to retrieve the call ID from an incoming call intent. 80 * @see #open(PendingIntent, ImsConnectionStateListener) 81 */ 82 public static final String EXTRA_CALL_ID = "android:imsCallID"; 83 84 /** 85 * Action to broadcast when ImsService is up. 86 * Internal use only. 87 * @hide 88 */ 89 public static final String ACTION_IMS_SERVICE_UP = 90 "com.android.ims.IMS_SERVICE_UP"; 91 92 /** 93 * Action to broadcast when ImsService is down. 94 * Internal use only. 95 * @hide 96 */ 97 public static final String ACTION_IMS_SERVICE_DOWN = 98 "com.android.ims.IMS_SERVICE_DOWN"; 99 100 /** 101 * Part of the ACTION_IMS_SERVICE_UP or _DOWN intents. 102 * A long value; the phone ID corresponding to the IMS service coming up or down. 103 * Internal use only. 104 * @hide 105 */ 106 public static final String EXTRA_PHONE_ID = "android:phone_id"; 107 108 /** 109 * Action for the incoming call intent for the Phone app. 110 * Internal use only. 111 * @hide 112 */ 113 public static final String ACTION_IMS_INCOMING_CALL = 114 "com.android.ims.IMS_INCOMING_CALL"; 115 116 /** 117 * Part of the ACTION_IMS_INCOMING_CALL intents. 118 * An integer value; service identifier obtained from {@link ImsManager#open}. 119 * Internal use only. 120 * @hide 121 */ 122 public static final String EXTRA_SERVICE_ID = "android:imsServiceId"; 123 124 /** 125 * Part of the ACTION_IMS_INCOMING_CALL intents. 126 * An boolean value; Flag to indicate that the incoming call is a normal call or call for USSD. 127 * The value "true" indicates that the incoming call is for USSD. 128 * Internal use only. 129 * @hide 130 */ 131 public static final String EXTRA_USSD = "android:ussd"; 132 133 private static final String TAG = "ImsManager"; 134 private static final boolean DBG = true; 135 136 private static HashMap<Integer, ImsManager> sImsManagerInstances = 137 new HashMap<Integer, ImsManager>(); 138 139 private Context mContext; 140 private int mPhoneId; 141 private IImsService mImsService = null; 142 private ImsServiceDeathRecipient mDeathRecipient = new ImsServiceDeathRecipient(); 143 // Ut interface for the supplementary service configuration 144 private ImsUt mUt = null; 145 // Interface to get/set ims config items 146 private ImsConfig mConfig = null; 147 148 // ECBM interface 149 private ImsEcbm mEcbm = null; 150 151 /** 152 * Gets a manager instance. 153 * 154 * @param context application context for creating the manager object 155 * @param phoneId the phone ID for the IMS Service 156 * @return the manager instance corresponding to the phoneId 157 */ 158 public static ImsManager getInstance(Context context, int phoneId) { 159 synchronized (sImsManagerInstances) { 160 if (sImsManagerInstances.containsKey(phoneId)) 161 return sImsManagerInstances.get(phoneId); 162 163 ImsManager mgr = new ImsManager(context, phoneId); 164 sImsManagerInstances.put(phoneId, mgr); 165 166 return mgr; 167 } 168 } 169 170 /** 171 * Returns the user configuration of Enhanced 4G LTE Mode setting 172 */ 173 public static boolean isEnhanced4gLteModeSettingEnabledByUser(Context context) { 174 int enabled = android.provider.Settings.Global.getInt( 175 context.getContentResolver(), 176 android.provider.Settings.Global.ENHANCED_4G_MODE_ENABLED, ImsConfig.FeatureValueConstants.ON); 177 return (enabled == 1) ? true : false; 178 } 179 180 /** 181 * Change persistent Enhanced 4G LTE Mode setting 182 */ 183 public static void setEnhanced4gLteModeSetting(Context context, boolean enabled) { 184 int value = enabled ? 1 : 0; 185 android.provider.Settings.Global.putInt( 186 context.getContentResolver(), 187 android.provider.Settings.Global.ENHANCED_4G_MODE_ENABLED, value); 188 189 if (isNonTtyOrTtyOnVolteEnabled(context)) { 190 ImsManager imsManager = ImsManager.getInstance(context, 191 SubscriptionManager.getDefaultVoicePhoneId()); 192 if (imsManager != null) { 193 try { 194 imsManager.setAdvanced4GMode(enabled); 195 } catch (ImsException ie) { 196 // do nothing 197 } 198 } 199 } 200 } 201 202 /** 203 * Indicates whether the call is non-TTY or if TTY - whether TTY on VoLTE is 204 * supported. 205 */ 206 public static boolean isNonTtyOrTtyOnVolteEnabled(Context context) { 207 if (context.getResources().getBoolean( 208 com.android.internal.R.bool.config_carrier_volte_tty_supported)) { 209 return true; 210 } 211 212 return Settings.Secure.getInt(context.getContentResolver(), 213 Settings.Secure.PREFERRED_TTY_MODE, TelecomManager.TTY_MODE_OFF) 214 == TelecomManager.TTY_MODE_OFF; 215 } 216 217 /** 218 * Returns a platform configuration for VoLTE which may override the user setting. 219 */ 220 public static boolean isVolteEnabledByPlatform(Context context) { 221 if (SystemProperties.getInt(PROPERTY_DBG_VOLTE_AVAIL_OVERRIDE, 222 PROPERTY_DBG_VOLTE_AVAIL_OVERRIDE_DEFAULT) == 1) { 223 return true; 224 } 225 226 boolean disabledByGlobalSetting = android.provider.Settings.Global.getInt( 227 context.getContentResolver(), 228 android.provider.Settings.Global.VOLTE_FEATURE_DISABLED, 0) == 1; 229 230 return context.getResources().getBoolean( 231 com.android.internal.R.bool.config_device_volte_available) && context.getResources() 232 .getBoolean(com.android.internal.R.bool.config_carrier_volte_available) 233 && !disabledByGlobalSetting; 234 } 235 236 /* 237 * Indicates whether VoLTE is provisioned on device 238 */ 239 public static boolean isVolteProvisionedOnDevice(Context context) { 240 boolean isProvisioned = true; 241 if (context.getResources().getBoolean( 242 com.android.internal.R.bool.config_carrier_volte_provisioned)) { 243 isProvisioned = false; // disable on any error 244 ImsManager mgr = ImsManager.getInstance(context, 245 SubscriptionManager.getDefaultVoiceSubId()); 246 if (mgr != null) { 247 try { 248 ImsConfig config = mgr.getConfigInterface(); 249 if (config != null) { 250 isProvisioned = config.getVolteProvisioned(); 251 } 252 } catch (ImsException ie) { 253 // do nothing 254 } 255 } 256 } 257 258 return isProvisioned; 259 } 260 261 /** 262 * Returns a platform configuration for VT which may override the user setting. 263 * 264 * Note: VT presumes that VoLTE is enabled (these are configuration settings 265 * which must be done correctly). 266 */ 267 public static boolean isVtEnabledByPlatform(Context context) { 268 if (SystemProperties.getInt(PROPERTY_DBG_VT_AVAIL_OVERRIDE, 269 PROPERTY_DBG_VT_AVAIL_OVERRIDE_DEFAULT) == 1) { 270 return true; 271 } 272 273 return 274 context.getResources().getBoolean( 275 com.android.internal.R.bool.config_device_vt_available) && 276 context.getResources().getBoolean( 277 com.android.internal.R.bool.config_carrier_vt_available); 278 } 279 280 /** 281 * Returns the user configuration of WFC setting 282 */ 283 public static boolean isWfcEnabledByUser(Context context) { 284 int enabled = android.provider.Settings.Global.getInt(context.getContentResolver(), 285 android.provider.Settings.Global.WFC_IMS_ENABLED, 286 ImsConfig.FeatureValueConstants.ON); 287 return (enabled == 1) ? true : false; 288 } 289 290 /** 291 * Change persistent WFC enabled setting 292 */ 293 public static void setWfcSetting(Context context, boolean enabled) { 294 int value = enabled ? 1 : 0; 295 android.provider.Settings.Global.putInt(context.getContentResolver(), 296 android.provider.Settings.Global.WFC_IMS_ENABLED, value); 297 298 ImsManager imsManager = ImsManager.getInstance(context, 299 SubscriptionManager.getDefaultVoicePhoneId()); 300 if (imsManager != null) { 301 try { 302 ImsConfig config = imsManager.getConfigInterface(); 303 // FIXME: replace NETWORK_TYPE_LTE with NETWORK_TYPE_IWLAN 304 // when available 305 config.setFeatureValue(ImsConfig.FeatureConstants.FEATURE_TYPE_VOICE_OVER_WIFI, 306 TelephonyManager.NETWORK_TYPE_LTE, 307 enabled ? ImsConfig.FeatureValueConstants.ON 308 : ImsConfig.FeatureValueConstants.OFF, null); 309 310 if (enabled) { 311 imsManager.turnOnIms(); 312 } else if (context.getResources().getBoolean( 313 com.android.internal.R.bool.imsServiceAllowTurnOff) 314 && (!isVolteEnabledByPlatform(context) 315 || !isEnhanced4gLteModeSettingEnabledByUser(context))) { 316 log("setWfcSetting() : imsServiceAllowTurnOff -> turnOffIms"); 317 imsManager.turnOffIms(); 318 } 319 } catch (ImsException e) { 320 loge("setWfcSetting(): " + e); 321 } 322 } 323 } 324 325 /** 326 * Returns the user configuration of WFC modem setting 327 */ 328 public static int getWfcMode(Context context) { 329 int setting = android.provider.Settings.Global.getInt(context.getContentResolver(), 330 android.provider.Settings.Global.WFC_IMS_MODE, 331 ImsConfig.WfcModeFeatureValueConstants.WIFI_PREFERRED); 332 if (DBG) log("getWfcMode - setting=" + setting); 333 return setting; 334 } 335 336 /** 337 * Returns the user configuration of WFC modem setting 338 */ 339 public static void setWfcMode(Context context, int wfcMode) { 340 if (DBG) log("setWfcMode - setting=" + wfcMode); 341 android.provider.Settings.Global.putInt(context.getContentResolver(), 342 android.provider.Settings.Global.WFC_IMS_MODE, wfcMode); 343 344 final ImsManager imsManager = ImsManager.getInstance(context, 345 SubscriptionManager.getDefaultVoicePhoneId()); 346 if (imsManager != null) { 347 final int value = wfcMode; 348 QueuedWork.singleThreadExecutor().submit(new Runnable() { 349 public void run() { 350 try { 351 imsManager.getConfigInterface().setProvisionedValue( 352 ImsConfig.ConfigConstants.VOICE_OVER_WIFI_MODE, 353 value); 354 } catch (ImsException e) { 355 // do nothing 356 } 357 } 358 }); 359 } 360 } 361 362 /** 363 * Returns the user configuration of WFC roaming setting 364 */ 365 public static boolean isWfcRoamingEnabledByUser(Context context) { 366 int enabled = android.provider.Settings.Global.getInt(context.getContentResolver(), 367 android.provider.Settings.Global.WFC_IMS_ROAMING_ENABLED, 368 ImsConfig.FeatureValueConstants.ON); 369 return (enabled == 1) ? true : false; 370 } 371 372 /** 373 * Change persistent WFC roaming enabled setting 374 */ 375 public static void setWfcRoamingSetting(Context context, boolean enabled) { 376 final int value = enabled 377 ? ImsConfig.FeatureValueConstants.ON 378 : ImsConfig.FeatureValueConstants.OFF; 379 android.provider.Settings.Global.putInt(context.getContentResolver(), 380 android.provider.Settings.Global.WFC_IMS_ROAMING_ENABLED, value); 381 382 final ImsManager imsManager = ImsManager.getInstance(context, 383 SubscriptionManager.getDefaultVoicePhoneId()); 384 if (imsManager != null) { 385 QueuedWork.singleThreadExecutor().submit(new Runnable() { 386 public void run() { 387 try { 388 imsManager.getConfigInterface().setProvisionedValue( 389 ImsConfig.ConfigConstants.VOICE_OVER_WIFI_ROAMING, 390 value); 391 } catch (ImsException e) { 392 // do nothing 393 } 394 } 395 }); 396 } 397 } 398 399 /** 400 * Returns a platform configuration for WFC which may override the user 401 * setting. Note: WFC presumes that VoLTE is enabled (these are 402 * configuration settings which must be done correctly). 403 */ 404 public static boolean isWfcEnabledByPlatform(Context context) { 405 if (SystemProperties.getInt(PROPERTY_DBG_WFC_AVAIL_OVERRIDE, 406 PROPERTY_DBG_WFC_AVAIL_OVERRIDE_DEFAULT) == 1) { 407 return true; 408 } 409 410 return 411 context.getResources().getBoolean( 412 com.android.internal.R.bool.config_device_wfc_ims_available) && 413 context.getResources().getBoolean( 414 com.android.internal.R.bool.config_carrier_wfc_ims_available); 415 } 416 417 private ImsManager(Context context, int phoneId) { 418 mContext = context; 419 mPhoneId = phoneId; 420 createImsService(true); 421 } 422 423 /** 424 * Opens the IMS service for making calls and/or receiving generic IMS calls. 425 * The caller may make subsquent calls through {@link #makeCall}. 426 * The IMS service will register the device to the operator's network with the credentials 427 * (from ISIM) periodically in order to receive calls from the operator's network. 428 * When the IMS service receives a new call, it will send out an intent with 429 * the provided action string. 430 * The intent contains a call ID extra {@link getCallId} and it can be used to take a call. 431 * 432 * @param serviceClass a service class specified in {@link ImsServiceClass} 433 * For VoLTE service, it MUST be a {@link ImsServiceClass#MMTEL}. 434 * @param incomingCallPendingIntent When an incoming call is received, 435 * the IMS service will call {@link PendingIntent#send(Context, int, Intent)} to 436 * send back the intent to the caller with {@link #INCOMING_CALL_RESULT_CODE} 437 * as the result code and the intent to fill in the call ID; It cannot be null 438 * @param listener To listen to IMS registration events; It cannot be null 439 * @return identifier (greater than 0) for the specified service 440 * @throws NullPointerException if {@code incomingCallPendingIntent} 441 * or {@code listener} is null 442 * @throws ImsException if calling the IMS service results in an error 443 * @see #getCallId 444 * @see #getServiceId 445 */ 446 public int open(int serviceClass, PendingIntent incomingCallPendingIntent, 447 ImsConnectionStateListener listener) throws ImsException { 448 checkAndThrowExceptionIfServiceUnavailable(); 449 450 if (incomingCallPendingIntent == null) { 451 throw new NullPointerException("incomingCallPendingIntent can't be null"); 452 } 453 454 if (listener == null) { 455 throw new NullPointerException("listener can't be null"); 456 } 457 458 int result = 0; 459 460 try { 461 result = mImsService.open(mPhoneId, serviceClass, incomingCallPendingIntent, 462 createRegistrationListenerProxy(serviceClass, listener)); 463 } catch (RemoteException e) { 464 throw new ImsException("open()", e, 465 ImsReasonInfo.CODE_LOCAL_IMS_SERVICE_DOWN); 466 } 467 468 if (result <= 0) { 469 // If the return value is a minus value, 470 // it means that an error occurred in the service. 471 // So, it needs to convert to the reason code specified in ImsReasonInfo. 472 throw new ImsException("open()", (result * (-1))); 473 } 474 475 return result; 476 } 477 478 /** 479 * Closes the specified service ({@link ImsServiceClass}) not to make/receive calls. 480 * All the resources that were allocated to the service are also released. 481 * 482 * @param serviceId a service id to be closed which is obtained from {@link ImsManager#open} 483 * @throws ImsException if calling the IMS service results in an error 484 */ 485 public void close(int serviceId) throws ImsException { 486 checkAndThrowExceptionIfServiceUnavailable(); 487 488 try { 489 mImsService.close(serviceId); 490 } catch (RemoteException e) { 491 throw new ImsException("close()", e, 492 ImsReasonInfo.CODE_LOCAL_IMS_SERVICE_DOWN); 493 } finally { 494 mUt = null; 495 mConfig = null; 496 mEcbm = null; 497 } 498 } 499 500 /** 501 * Gets the configuration interface to provision / withdraw the supplementary service settings. 502 * 503 * @param serviceId a service id which is obtained from {@link ImsManager#open} 504 * @return the Ut interface instance 505 * @throws ImsException if getting the Ut interface results in an error 506 */ 507 public ImsUtInterface getSupplementaryServiceConfiguration(int serviceId) 508 throws ImsException { 509 // FIXME: manage the multiple Ut interfaces based on the service id 510 if (mUt == null) { 511 checkAndThrowExceptionIfServiceUnavailable(); 512 513 try { 514 IImsUt iUt = mImsService.getUtInterface(serviceId); 515 516 if (iUt == null) { 517 throw new ImsException("getSupplementaryServiceConfiguration()", 518 ImsReasonInfo.CODE_UT_NOT_SUPPORTED); 519 } 520 521 mUt = new ImsUt(iUt); 522 } catch (RemoteException e) { 523 throw new ImsException("getSupplementaryServiceConfiguration()", e, 524 ImsReasonInfo.CODE_LOCAL_IMS_SERVICE_DOWN); 525 } 526 } 527 528 return mUt; 529 } 530 531 /** 532 * Checks if the IMS service has successfully registered to the IMS network 533 * with the specified service & call type. 534 * 535 * @param serviceId a service id which is obtained from {@link ImsManager#open} 536 * @param serviceType a service type that is specified in {@link ImsCallProfile} 537 * {@link ImsCallProfile#SERVICE_TYPE_NORMAL} 538 * {@link ImsCallProfile#SERVICE_TYPE_EMERGENCY} 539 * @param callType a call type that is specified in {@link ImsCallProfile} 540 * {@link ImsCallProfile#CALL_TYPE_VOICE_N_VIDEO} 541 * {@link ImsCallProfile#CALL_TYPE_VOICE} 542 * {@link ImsCallProfile#CALL_TYPE_VT} 543 * {@link ImsCallProfile#CALL_TYPE_VS} 544 * @return true if the specified service id is connected to the IMS network; 545 * false otherwise 546 * @throws ImsException if calling the IMS service results in an error 547 */ 548 public boolean isConnected(int serviceId, int serviceType, int callType) 549 throws ImsException { 550 checkAndThrowExceptionIfServiceUnavailable(); 551 552 try { 553 return mImsService.isConnected(serviceId, serviceType, callType); 554 } catch (RemoteException e) { 555 throw new ImsException("isServiceConnected()", e, 556 ImsReasonInfo.CODE_LOCAL_IMS_SERVICE_DOWN); 557 } 558 } 559 560 /** 561 * Checks if the specified IMS service is opend. 562 * 563 * @param serviceId a service id which is obtained from {@link ImsManager#open} 564 * @return true if the specified service id is opened; false otherwise 565 * @throws ImsException if calling the IMS service results in an error 566 */ 567 public boolean isOpened(int serviceId) throws ImsException { 568 checkAndThrowExceptionIfServiceUnavailable(); 569 570 try { 571 return mImsService.isOpened(serviceId); 572 } catch (RemoteException e) { 573 throw new ImsException("isOpened()", e, 574 ImsReasonInfo.CODE_LOCAL_IMS_SERVICE_DOWN); 575 } 576 } 577 578 /** 579 * Creates a {@link ImsCallProfile} from the service capabilities & IMS registration state. 580 * 581 * @param serviceId a service id which is obtained from {@link ImsManager#open} 582 * @param serviceType a service type that is specified in {@link ImsCallProfile} 583 * {@link ImsCallProfile#SERVICE_TYPE_NONE} 584 * {@link ImsCallProfile#SERVICE_TYPE_NORMAL} 585 * {@link ImsCallProfile#SERVICE_TYPE_EMERGENCY} 586 * @param callType a call type that is specified in {@link ImsCallProfile} 587 * {@link ImsCallProfile#CALL_TYPE_VOICE} 588 * {@link ImsCallProfile#CALL_TYPE_VT} 589 * {@link ImsCallProfile#CALL_TYPE_VT_TX} 590 * {@link ImsCallProfile#CALL_TYPE_VT_RX} 591 * {@link ImsCallProfile#CALL_TYPE_VT_NODIR} 592 * {@link ImsCallProfile#CALL_TYPE_VS} 593 * {@link ImsCallProfile#CALL_TYPE_VS_TX} 594 * {@link ImsCallProfile#CALL_TYPE_VS_RX} 595 * @return a {@link ImsCallProfile} object 596 * @throws ImsException if calling the IMS service results in an error 597 */ 598 public ImsCallProfile createCallProfile(int serviceId, 599 int serviceType, int callType) throws ImsException { 600 checkAndThrowExceptionIfServiceUnavailable(); 601 602 try { 603 return mImsService.createCallProfile(serviceId, serviceType, callType); 604 } catch (RemoteException e) { 605 throw new ImsException("createCallProfile()", e, 606 ImsReasonInfo.CODE_LOCAL_IMS_SERVICE_DOWN); 607 } 608 } 609 610 /** 611 * Creates a {@link ImsCall} to make a call. 612 * 613 * @param serviceId a service id which is obtained from {@link ImsManager#open} 614 * @param profile a call profile to make the call 615 * (it contains service type, call type, media information, etc.) 616 * @param participants participants to invite the conference call 617 * @param listener listen to the call events from {@link ImsCall} 618 * @return a {@link ImsCall} object 619 * @throws ImsException if calling the IMS service results in an error 620 */ 621 public ImsCall makeCall(int serviceId, ImsCallProfile profile, String[] callees, 622 ImsCall.Listener listener) throws ImsException { 623 if (DBG) { 624 log("makeCall :: serviceId=" + serviceId 625 + ", profile=" + profile + ", callees=" + callees); 626 } 627 628 checkAndThrowExceptionIfServiceUnavailable(); 629 630 ImsCall call = new ImsCall(mContext, profile); 631 632 call.setListener(listener); 633 ImsCallSession session = createCallSession(serviceId, profile); 634 635 if ((callees != null) && (callees.length == 1)) { 636 call.start(session, callees[0]); 637 } else { 638 call.start(session, callees); 639 } 640 641 return call; 642 } 643 644 /** 645 * Creates a {@link ImsCall} to take an incoming call. 646 * 647 * @param serviceId a service id which is obtained from {@link ImsManager#open} 648 * @param incomingCallIntent the incoming call broadcast intent 649 * @param listener to listen to the call events from {@link ImsCall} 650 * @return a {@link ImsCall} object 651 * @throws ImsException if calling the IMS service results in an error 652 */ 653 public ImsCall takeCall(int serviceId, Intent incomingCallIntent, 654 ImsCall.Listener listener) throws ImsException { 655 if (DBG) { 656 log("takeCall :: serviceId=" + serviceId 657 + ", incomingCall=" + incomingCallIntent); 658 } 659 660 checkAndThrowExceptionIfServiceUnavailable(); 661 662 if (incomingCallIntent == null) { 663 throw new ImsException("Can't retrieve session with null intent", 664 ImsReasonInfo.CODE_LOCAL_ILLEGAL_ARGUMENT); 665 } 666 667 int incomingServiceId = getServiceId(incomingCallIntent); 668 669 if (serviceId != incomingServiceId) { 670 throw new ImsException("Service id is mismatched in the incoming call intent", 671 ImsReasonInfo.CODE_LOCAL_ILLEGAL_ARGUMENT); 672 } 673 674 String callId = getCallId(incomingCallIntent); 675 676 if (callId == null) { 677 throw new ImsException("Call ID missing in the incoming call intent", 678 ImsReasonInfo.CODE_LOCAL_ILLEGAL_ARGUMENT); 679 } 680 681 try { 682 IImsCallSession session = mImsService.getPendingCallSession(serviceId, callId); 683 684 if (session == null) { 685 throw new ImsException("No pending session for the call", 686 ImsReasonInfo.CODE_LOCAL_NO_PENDING_CALL); 687 } 688 689 ImsCall call = new ImsCall(mContext, session.getCallProfile()); 690 691 call.attachSession(new ImsCallSession(session)); 692 call.setListener(listener); 693 694 return call; 695 } catch (Throwable t) { 696 throw new ImsException("takeCall()", t, ImsReasonInfo.CODE_UNSPECIFIED); 697 } 698 } 699 700 /** 701 * Gets the config interface to get/set service/capability parameters. 702 * 703 * @return the ImsConfig instance. 704 * @throws ImsException if getting the setting interface results in an error. 705 */ 706 public ImsConfig getConfigInterface() throws ImsException { 707 708 if (mConfig == null) { 709 checkAndThrowExceptionIfServiceUnavailable(); 710 711 try { 712 IImsConfig config = mImsService.getConfigInterface(mPhoneId); 713 if (config == null) { 714 throw new ImsException("getConfigInterface()", 715 ImsReasonInfo.CODE_LOCAL_SERVICE_UNAVAILABLE); 716 } 717 mConfig = new ImsConfig(config, mContext); 718 } catch (RemoteException e) { 719 throw new ImsException("getConfigInterface()", e, 720 ImsReasonInfo.CODE_LOCAL_IMS_SERVICE_DOWN); 721 } 722 } 723 if (DBG) log("getConfigInterface(), mConfig= " + mConfig); 724 return mConfig; 725 } 726 727 public void setUiTTYMode(Context context, int serviceId, int uiTtyMode, Message onComplete) 728 throws ImsException { 729 730 checkAndThrowExceptionIfServiceUnavailable(); 731 732 try { 733 mImsService.setUiTTYMode(serviceId, uiTtyMode, onComplete); 734 } catch (RemoteException e) { 735 throw new ImsException("setTTYMode()", e, 736 ImsReasonInfo.CODE_LOCAL_IMS_SERVICE_DOWN); 737 } 738 739 if (!context.getResources().getBoolean( 740 com.android.internal.R.bool.config_carrier_volte_tty_supported)) { 741 setAdvanced4GMode((uiTtyMode == TelecomManager.TTY_MODE_OFF) && 742 isEnhanced4gLteModeSettingEnabledByUser(context)); 743 } 744 } 745 746 /** 747 * Gets the call ID from the specified incoming call broadcast intent. 748 * 749 * @param incomingCallIntent the incoming call broadcast intent 750 * @return the call ID or null if the intent does not contain it 751 */ 752 private static String getCallId(Intent incomingCallIntent) { 753 if (incomingCallIntent == null) { 754 return null; 755 } 756 757 return incomingCallIntent.getStringExtra(EXTRA_CALL_ID); 758 } 759 760 /** 761 * Gets the service type from the specified incoming call broadcast intent. 762 * 763 * @param incomingCallIntent the incoming call broadcast intent 764 * @return the service identifier or -1 if the intent does not contain it 765 */ 766 private static int getServiceId(Intent incomingCallIntent) { 767 if (incomingCallIntent == null) { 768 return (-1); 769 } 770 771 return incomingCallIntent.getIntExtra(EXTRA_SERVICE_ID, -1); 772 } 773 774 /** 775 * Binds the IMS service only if the service is not created. 776 */ 777 private void checkAndThrowExceptionIfServiceUnavailable() 778 throws ImsException { 779 if (mImsService == null) { 780 createImsService(true); 781 782 if (mImsService == null) { 783 throw new ImsException("Service is unavailable", 784 ImsReasonInfo.CODE_LOCAL_IMS_SERVICE_DOWN); 785 } 786 } 787 } 788 789 private static String getImsServiceName(int phoneId) { 790 // TODO: MSIM implementation needs to decide on service name as a function of phoneId 791 return IMS_SERVICE; 792 } 793 794 /** 795 * Binds the IMS service to make/receive the call. 796 */ 797 private void createImsService(boolean checkService) { 798 if (checkService) { 799 IBinder binder = ServiceManager.checkService(getImsServiceName(mPhoneId)); 800 801 if (binder == null) { 802 return; 803 } 804 } 805 806 IBinder b = ServiceManager.getService(getImsServiceName(mPhoneId)); 807 808 if (b != null) { 809 try { 810 b.linkToDeath(mDeathRecipient, 0); 811 } catch (RemoteException e) { 812 } 813 } 814 815 mImsService = IImsService.Stub.asInterface(b); 816 } 817 818 /** 819 * Creates a {@link ImsCallSession} with the specified call profile. 820 * Use other methods, if applicable, instead of interacting with 821 * {@link ImsCallSession} directly. 822 * 823 * @param serviceId a service id which is obtained from {@link ImsManager#open} 824 * @param profile a call profile to make the call 825 */ 826 private ImsCallSession createCallSession(int serviceId, 827 ImsCallProfile profile) throws ImsException { 828 try { 829 return new ImsCallSession(mImsService.createCallSession(serviceId, profile, null)); 830 } catch (RemoteException e) { 831 return null; 832 } 833 } 834 835 private ImsRegistrationListenerProxy createRegistrationListenerProxy(int serviceClass, 836 ImsConnectionStateListener listener) { 837 ImsRegistrationListenerProxy proxy = 838 new ImsRegistrationListenerProxy(serviceClass, listener); 839 return proxy; 840 } 841 842 private static void log(String s) { 843 Rlog.d(TAG, s); 844 } 845 846 private static void loge(String s) { 847 Rlog.e(TAG, s); 848 } 849 850 private static void loge(String s, Throwable t) { 851 Rlog.e(TAG, s, t); 852 } 853 854 /** 855 * Used for turning on IMS.if its off already 856 */ 857 private void turnOnIms() throws ImsException { 858 checkAndThrowExceptionIfServiceUnavailable(); 859 860 try { 861 mImsService.turnOnIms(mPhoneId); 862 } catch (RemoteException e) { 863 throw new ImsException("turnOnIms() ", e, ImsReasonInfo.CODE_LOCAL_IMS_SERVICE_DOWN); 864 } 865 } 866 867 private void setAdvanced4GMode(boolean turnOn) throws ImsException { 868 checkAndThrowExceptionIfServiceUnavailable(); 869 870 ImsConfig config = getConfigInterface(); 871 if (config != null) { 872 config.setFeatureValue(ImsConfig.FeatureConstants.FEATURE_TYPE_VOICE_OVER_LTE, 873 TelephonyManager.NETWORK_TYPE_LTE, turnOn ? 1 : 0, null); 874 if (isVtEnabledByPlatform(mContext)) { 875 // TODO: once VT is available on platform replace the '1' with the current 876 // user configuration of VT. 877 config.setFeatureValue(ImsConfig.FeatureConstants.FEATURE_TYPE_VIDEO_OVER_LTE, 878 TelephonyManager.NETWORK_TYPE_LTE, turnOn ? 1 : 0, null); 879 } 880 } 881 882 if (turnOn) { 883 turnOnIms(); 884 } else if (mContext.getResources().getBoolean( 885 com.android.internal.R.bool.imsServiceAllowTurnOff) 886 && (!isWfcEnabledByPlatform(mContext) 887 || !isWfcEnabledByUser(mContext))) { 888 log("setAdvanced4GMode() : imsServiceAllowTurnOff -> turnOffIms"); 889 turnOffIms(); 890 } 891 } 892 893 /** 894 * Used for turning off IMS completely in order to make the device CSFB'ed. 895 * Once turned off, all calls will be over CS. 896 */ 897 private void turnOffIms() throws ImsException { 898 checkAndThrowExceptionIfServiceUnavailable(); 899 900 try { 901 mImsService.turnOffIms(mPhoneId); 902 } catch (RemoteException e) { 903 throw new ImsException("turnOffIms() ", e, ImsReasonInfo.CODE_LOCAL_IMS_SERVICE_DOWN); 904 } 905 } 906 907 /** 908 * Death recipient class for monitoring IMS service. 909 */ 910 private class ImsServiceDeathRecipient implements IBinder.DeathRecipient { 911 @Override 912 public void binderDied() { 913 mImsService = null; 914 mUt = null; 915 mConfig = null; 916 mEcbm = null; 917 918 if (mContext != null) { 919 Intent intent = new Intent(ACTION_IMS_SERVICE_DOWN); 920 intent.putExtra(EXTRA_PHONE_ID, mPhoneId); 921 mContext.sendBroadcast(new Intent(intent)); 922 } 923 } 924 } 925 926 /** 927 * Adapter class for {@link IImsRegistrationListener}. 928 */ 929 private class ImsRegistrationListenerProxy extends IImsRegistrationListener.Stub { 930 private int mServiceClass; 931 private ImsConnectionStateListener mListener; 932 933 public ImsRegistrationListenerProxy(int serviceClass, 934 ImsConnectionStateListener listener) { 935 mServiceClass = serviceClass; 936 mListener = listener; 937 } 938 939 public boolean isSameProxy(int serviceClass) { 940 return (mServiceClass == serviceClass); 941 } 942 943 @Override 944 public void registrationConnected() { 945 if (DBG) { 946 log("registrationConnected ::"); 947 } 948 949 if (mListener != null) { 950 mListener.onImsConnected(); 951 } 952 } 953 954 @Override 955 public void registrationDisconnected() { 956 if (DBG) { 957 log("registrationDisconnected ::"); 958 } 959 960 if (mListener != null) { 961 mListener.onImsDisconnected(); 962 } 963 } 964 965 @Override 966 public void registrationResumed() { 967 if (DBG) { 968 log("registrationResumed ::"); 969 } 970 971 if (mListener != null) { 972 mListener.onImsResumed(); 973 } 974 } 975 976 @Override 977 public void registrationSuspended() { 978 if (DBG) { 979 log("registrationSuspended ::"); 980 } 981 982 if (mListener != null) { 983 mListener.onImsSuspended(); 984 } 985 } 986 987 @Override 988 public void registrationServiceCapabilityChanged(int serviceClass, int event) { 989 log("registrationServiceCapabilityChanged :: serviceClass=" + 990 serviceClass + ", event=" + event); 991 992 if (mListener != null) { 993 mListener.onImsConnected(); 994 } 995 } 996 997 @Override 998 public void registrationFeatureCapabilityChanged(int serviceClass, 999 int[] enabledFeatures, int[] disabledFeatures) { 1000 log("registrationFeatureCapabilityChanged :: serviceClass=" + 1001 serviceClass); 1002 if (mListener != null) { 1003 mListener.onFeatureCapabilityChanged(serviceClass, 1004 enabledFeatures, disabledFeatures); 1005 } 1006 } 1007 1008 } 1009 /** 1010 * Gets the ECBM interface to request ECBM exit. 1011 * 1012 * @param serviceId a service id which is obtained from {@link ImsManager#open} 1013 * @return the ECBM interface instance 1014 * @throws ImsException if getting the ECBM interface results in an error 1015 */ 1016 public ImsEcbm getEcbmInterface(int serviceId) throws ImsException { 1017 if (mEcbm == null) { 1018 checkAndThrowExceptionIfServiceUnavailable(); 1019 1020 try { 1021 IImsEcbm iEcbm = mImsService.getEcbmInterface(serviceId); 1022 1023 if (iEcbm == null) { 1024 throw new ImsException("getEcbmInterface()", 1025 ImsReasonInfo.CODE_ECBM_NOT_SUPPORTED); 1026 } 1027 mEcbm = new ImsEcbm(iEcbm); 1028 } catch (RemoteException e) { 1029 throw new ImsException("getEcbmInterface()", e, 1030 ImsReasonInfo.CODE_LOCAL_IMS_SERVICE_DOWN); 1031 } 1032 } 1033 return mEcbm; 1034 } 1035} 1036