ImsCall.java revision 6cb99be298f8b1b4363fdacc1cc631c3671380ec
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 com.android.internal.R; 20 21import java.util.ArrayList; 22import java.util.Iterator; 23import java.util.List; 24import java.util.Map.Entry; 25import java.util.Set; 26 27import android.content.Context; 28import android.net.Uri; 29import android.os.Bundle; 30import android.os.Message; 31import android.provider.Settings; 32import android.telecom.ConferenceParticipant; 33import android.telecom.TelecomManager; 34import android.telephony.Rlog; 35import android.util.Log; 36import android.widget.Toast; 37 38import com.android.ims.internal.ICall; 39import com.android.ims.internal.ImsCallSession; 40import com.android.ims.internal.ImsStreamMediaSession; 41import com.android.internal.annotations.VisibleForTesting; 42 43/** 44 * Handles an IMS voice / video call over LTE. You can instantiate this class with 45 * {@link ImsManager}. 46 * 47 * @hide 48 */ 49public class ImsCall implements ICall { 50 public static final int CALL_STATE_ACTIVE_TO_HOLD = 1; 51 public static final int CALL_STATE_HOLD_TO_ACTIVE = 2; 52 53 // Mode of USSD message 54 public static final int USSD_MODE_NOTIFY = 0; 55 public static final int USSD_MODE_REQUEST = 1; 56 57 private static final String TAG = "ImsCall"; 58 private static final boolean FORCE_DEBUG = false; /* STOPSHIP if true */ 59 private static final boolean DBG = FORCE_DEBUG || Rlog.isLoggable(TAG, Log.DEBUG); 60 private static final boolean VDBG = FORCE_DEBUG || Rlog.isLoggable(TAG, Log.VERBOSE); 61 62 /** 63 * Listener for events relating to an IMS call, such as when a call is being 64 * recieved ("on ringing") or a call is outgoing ("on calling"). 65 * <p>Many of these events are also received by {@link ImsCallSession.Listener}.</p> 66 */ 67 public static class Listener { 68 /** 69 * Called when a request is sent out to initiate a new call 70 * and 1xx response is received from the network. 71 * The default implementation calls {@link #onCallStateChanged}. 72 * 73 * @param call the call object that carries out the IMS call 74 */ 75 public void onCallProgressing(ImsCall call) { 76 onCallStateChanged(call); 77 } 78 79 /** 80 * Called when the call is established. 81 * The default implementation calls {@link #onCallStateChanged}. 82 * 83 * @param call the call object that carries out the IMS call 84 */ 85 public void onCallStarted(ImsCall call) { 86 onCallStateChanged(call); 87 } 88 89 /** 90 * Called when the call setup is failed. 91 * The default implementation calls {@link #onCallError}. 92 * 93 * @param call the call object that carries out the IMS call 94 * @param reasonInfo detailed reason of the call setup failure 95 */ 96 public void onCallStartFailed(ImsCall call, ImsReasonInfo reasonInfo) { 97 onCallError(call, reasonInfo); 98 } 99 100 /** 101 * Called when the call is terminated. 102 * The default implementation calls {@link #onCallStateChanged}. 103 * 104 * @param call the call object that carries out the IMS call 105 * @param reasonInfo detailed reason of the call termination 106 */ 107 public void onCallTerminated(ImsCall call, ImsReasonInfo reasonInfo) { 108 // Store the call termination reason 109 110 onCallStateChanged(call); 111 } 112 113 /** 114 * Called when the call is in hold. 115 * The default implementation calls {@link #onCallStateChanged}. 116 * 117 * @param call the call object that carries out the IMS call 118 */ 119 public void onCallHeld(ImsCall call) { 120 onCallStateChanged(call); 121 } 122 123 /** 124 * Called when the call hold is failed. 125 * The default implementation calls {@link #onCallError}. 126 * 127 * @param call the call object that carries out the IMS call 128 * @param reasonInfo detailed reason of the call hold failure 129 */ 130 public void onCallHoldFailed(ImsCall call, ImsReasonInfo reasonInfo) { 131 onCallError(call, reasonInfo); 132 } 133 134 /** 135 * Called when the call hold is received from the remote user. 136 * The default implementation calls {@link #onCallStateChanged}. 137 * 138 * @param call the call object that carries out the IMS call 139 */ 140 public void onCallHoldReceived(ImsCall call) { 141 onCallStateChanged(call); 142 } 143 144 /** 145 * Called when the call is in call. 146 * The default implementation calls {@link #onCallStateChanged}. 147 * 148 * @param call the call object that carries out the IMS call 149 */ 150 public void onCallResumed(ImsCall call) { 151 onCallStateChanged(call); 152 } 153 154 /** 155 * Called when the call resume is failed. 156 * The default implementation calls {@link #onCallError}. 157 * 158 * @param call the call object that carries out the IMS call 159 * @param reasonInfo detailed reason of the call resume failure 160 */ 161 public void onCallResumeFailed(ImsCall call, ImsReasonInfo reasonInfo) { 162 onCallError(call, reasonInfo); 163 } 164 165 /** 166 * Called when the call resume is received from the remote user. 167 * The default implementation calls {@link #onCallStateChanged}. 168 * 169 * @param call the call object that carries out the IMS call 170 */ 171 public void onCallResumeReceived(ImsCall call) { 172 onCallStateChanged(call); 173 } 174 175 /** 176 * Called when the call is in call. 177 * The default implementation calls {@link #onCallStateChanged}. 178 * 179 * @param call the call object that carries out the IMS call 180 * @param newCall the call object that is merged with an active & hold call 181 */ 182 public void onCallMerged(ImsCall call) { 183 onCallStateChanged(call); 184 } 185 186 /** 187 * Called when the call merge is failed. 188 * The default implementation calls {@link #onCallError}. 189 * 190 * @param call the call object that carries out the IMS call 191 * @param reasonInfo detailed reason of the call merge failure 192 */ 193 public void onCallMergeFailed(ImsCall call, ImsReasonInfo reasonInfo) { 194 onCallError(call, reasonInfo); 195 } 196 197 /** 198 * Called when the call is updated (except for hold/unhold). 199 * The default implementation calls {@link #onCallStateChanged}. 200 * 201 * @param call the call object that carries out the IMS call 202 */ 203 public void onCallUpdated(ImsCall call) { 204 onCallStateChanged(call); 205 } 206 207 /** 208 * Called when the call update is failed. 209 * The default implementation calls {@link #onCallError}. 210 * 211 * @param call the call object that carries out the IMS call 212 * @param reasonInfo detailed reason of the call update failure 213 */ 214 public void onCallUpdateFailed(ImsCall call, ImsReasonInfo reasonInfo) { 215 onCallError(call, reasonInfo); 216 } 217 218 /** 219 * Called when the call update is received from the remote user. 220 * 221 * @param call the call object that carries out the IMS call 222 */ 223 public void onCallUpdateReceived(ImsCall call) { 224 // no-op 225 } 226 227 /** 228 * Called when the call is extended to the conference call. 229 * The default implementation calls {@link #onCallStateChanged}. 230 * 231 * @param call the call object that carries out the IMS call 232 * @param newCall the call object that is extended to the conference from the active call 233 */ 234 public void onCallConferenceExtended(ImsCall call, ImsCall newCall) { 235 onCallStateChanged(call); 236 } 237 238 /** 239 * Called when the conference extension is failed. 240 * The default implementation calls {@link #onCallError}. 241 * 242 * @param call the call object that carries out the IMS call 243 * @param reasonInfo detailed reason of the conference extension failure 244 */ 245 public void onCallConferenceExtendFailed(ImsCall call, 246 ImsReasonInfo reasonInfo) { 247 onCallError(call, reasonInfo); 248 } 249 250 /** 251 * Called when the conference extension is received from the remote user. 252 * 253 * @param call the call object that carries out the IMS call 254 * @param newCall the call object that is extended to the conference from the active call 255 */ 256 public void onCallConferenceExtendReceived(ImsCall call, ImsCall newCall) { 257 onCallStateChanged(call); 258 } 259 260 /** 261 * Called when the invitation request of the participants is delivered to 262 * the conference server. 263 * 264 * @param call the call object that carries out the IMS call 265 */ 266 public void onCallInviteParticipantsRequestDelivered(ImsCall call) { 267 // no-op 268 } 269 270 /** 271 * Called when the invitation request of the participants is failed. 272 * 273 * @param call the call object that carries out the IMS call 274 * @param reasonInfo detailed reason of the conference invitation failure 275 */ 276 public void onCallInviteParticipantsRequestFailed(ImsCall call, 277 ImsReasonInfo reasonInfo) { 278 // no-op 279 } 280 281 /** 282 * Called when the removal request of the participants is delivered to 283 * the conference server. 284 * 285 * @param call the call object that carries out the IMS call 286 */ 287 public void onCallRemoveParticipantsRequestDelivered(ImsCall call) { 288 // no-op 289 } 290 291 /** 292 * Called when the removal request of the participants is failed. 293 * 294 * @param call the call object that carries out the IMS call 295 * @param reasonInfo detailed reason of the conference removal failure 296 */ 297 public void onCallRemoveParticipantsRequestFailed(ImsCall call, 298 ImsReasonInfo reasonInfo) { 299 // no-op 300 } 301 302 /** 303 * Called when the conference state is updated. 304 * 305 * @param call the call object that carries out the IMS call 306 * @param state state of the participant who is participated in the conference call 307 */ 308 public void onCallConferenceStateUpdated(ImsCall call, ImsConferenceState state) { 309 // no-op 310 } 311 312 /** 313 * Called when the state of IMS conference participant(s) has changed. 314 * 315 * @param call the call object that carries out the IMS call. 316 * @param participants the participant(s) and their new state information. 317 */ 318 public void onConferenceParticipantsStateChanged(ImsCall call, 319 List<ConferenceParticipant> participants) { 320 // no-op 321 } 322 323 /** 324 * Called when the USSD message is received from the network. 325 * 326 * @param mode mode of the USSD message (REQUEST / NOTIFY) 327 * @param ussdMessage USSD message 328 */ 329 public void onCallUssdMessageReceived(ImsCall call, 330 int mode, String ussdMessage) { 331 // no-op 332 } 333 334 /** 335 * Called when an error occurs. The default implementation is no op. 336 * overridden. The default implementation is no op. Error events are 337 * not re-directed to this callback and are handled in {@link #onCallError}. 338 * 339 * @param call the call object that carries out the IMS call 340 * @param reasonInfo detailed reason of this error 341 * @see ImsReasonInfo 342 */ 343 public void onCallError(ImsCall call, ImsReasonInfo reasonInfo) { 344 // no-op 345 } 346 347 /** 348 * Called when an event occurs and the corresponding callback is not 349 * overridden. The default implementation is no op. Error events are 350 * not re-directed to this callback and are handled in {@link #onCallError}. 351 * 352 * @param call the call object that carries out the IMS call 353 */ 354 public void onCallStateChanged(ImsCall call) { 355 // no-op 356 } 357 358 /** 359 * Called when the call moves the hold state to the conversation state. 360 * For example, when merging the active & hold call, the state of all the hold call 361 * will be changed from hold state to conversation state. 362 * This callback method can be invoked even though the application does not trigger 363 * any operations. 364 * 365 * @param call the call object that carries out the IMS call 366 * @param state the detailed state of call state changes; 367 * Refer to CALL_STATE_* in {@link ImsCall} 368 */ 369 public void onCallStateChanged(ImsCall call, int state) { 370 // no-op 371 } 372 } 373 374 375 376 // List of update operation for IMS call control 377 private static final int UPDATE_NONE = 0; 378 private static final int UPDATE_HOLD = 1; 379 private static final int UPDATE_HOLD_MERGE = 2; 380 private static final int UPDATE_RESUME = 3; 381 private static final int UPDATE_MERGE = 4; 382 private static final int UPDATE_EXTEND_TO_CONFERENCE = 5; 383 private static final int UPDATE_UNSPECIFIED = 6; 384 385 // For synchronization of private variables 386 private Object mLockObj = new Object(); 387 private Context mContext; 388 389 // true if the call is established & in the conversation state 390 private boolean mInCall = false; 391 // true if the call is on hold 392 // If it is triggered by the local, mute the call. Otherwise, play local hold tone 393 // or network generated media. 394 private boolean mHold = false; 395 // true if the call is on mute 396 private boolean mMute = false; 397 // It contains the exclusive call update request. Refer to UPDATE_*. 398 private int mUpdateRequest = UPDATE_NONE; 399 400 private ImsCall.Listener mListener = null; 401 402 // When merging two calls together, the "peer" call that will merge into this call. 403 private ImsCall mMergePeer = null; 404 // When merging two calls together, the "host" call we are merging into. 405 private ImsCall mMergeHost = null; 406 407 // Wrapper call session to interworking the IMS service (server). 408 private ImsCallSession mSession = null; 409 // Call profile of the current session. 410 // It can be changed at anytime when the call is updated. 411 private ImsCallProfile mCallProfile = null; 412 // Call profile to be updated after the application's action (accept/reject) 413 // to the call update. After the application's action (accept/reject) is done, 414 // it will be set to null. 415 private ImsCallProfile mProposedCallProfile = null; 416 private ImsReasonInfo mLastReasonInfo = null; 417 418 // Media session to control media (audio/video) operations for an IMS call 419 private ImsStreamMediaSession mMediaSession = null; 420 421 // The temporary ImsCallSession that could represent the merged call once 422 // we receive notification that the merge was successful. 423 private ImsCallSession mTransientConferenceSession = null; 424 // While a merge is progressing, we bury any session termination requests 425 // made on the original ImsCallSession until we have closure on the merge request 426 // If the request ultimately fails, we need to act on the termination request 427 // that we buried temporarily. We do this because we feel that timing issues could 428 // cause the termination request to occur just because the merge is succeeding. 429 private boolean mSessionEndDuringMerge = false; 430 // Just like mSessionEndDuringMerge, we need to keep track of the reason why the 431 // termination request was made on the original session in case we need to act 432 // on it in the case of a merge failure. 433 private ImsReasonInfo mSessionEndDuringMergeReasonInfo = null; 434 private boolean mIsMerged = false; 435 436 /** 437 * Create an IMS call object. 438 * 439 * @param context the context for accessing system services 440 * @param profile the call profile to make/take a call 441 */ 442 public ImsCall(Context context, ImsCallProfile profile) { 443 mContext = context; 444 mCallProfile = profile; 445 } 446 447 /** 448 * Closes this object. This object is not usable after being closed. 449 */ 450 @Override 451 public void close() { 452 synchronized(mLockObj) { 453 if (mSession != null) { 454 mSession.close(); 455 mSession = null; 456 } 457 458 mCallProfile = null; 459 mProposedCallProfile = null; 460 mLastReasonInfo = null; 461 mMediaSession = null; 462 } 463 } 464 465 /** 466 * Checks if the call has a same remote user identity or not. 467 * 468 * @param userId the remote user identity 469 * @return true if the remote user identity is equal; otherwise, false 470 */ 471 @Override 472 public boolean checkIfRemoteUserIsSame(String userId) { 473 if (userId == null) { 474 return false; 475 } 476 477 return userId.equals(mCallProfile.getCallExtra(ImsCallProfile.EXTRA_REMOTE_URI, "")); 478 } 479 480 /** 481 * Checks if the call is equal or not. 482 * 483 * @param call the call to be compared 484 * @return true if the call is equal; otherwise, false 485 */ 486 @Override 487 public boolean equalsTo(ICall call) { 488 if (call == null) { 489 return false; 490 } 491 492 if (call instanceof ImsCall) { 493 return this.equals(call); 494 } 495 496 return false; 497 } 498 499 /** 500 * Gets the negotiated (local & remote) call profile. 501 * 502 * @return a {@link ImsCallProfile} object that has the negotiated call profile 503 */ 504 public ImsCallProfile getCallProfile() { 505 synchronized(mLockObj) { 506 return mCallProfile; 507 } 508 } 509 510 /** 511 * Gets the local call profile (local capabilities). 512 * 513 * @return a {@link ImsCallProfile} object that has the local call profile 514 */ 515 public ImsCallProfile getLocalCallProfile() throws ImsException { 516 synchronized(mLockObj) { 517 if (mSession == null) { 518 throw new ImsException("No call session", 519 ImsReasonInfo.CODE_LOCAL_CALL_TERMINATED); 520 } 521 522 try { 523 return mSession.getLocalCallProfile(); 524 } catch (Throwable t) { 525 loge("getLocalCallProfile :: ", t); 526 throw new ImsException("getLocalCallProfile()", t, 0); 527 } 528 } 529 } 530 531 /** 532 * Gets the remote call profile (remote capabilities). 533 * 534 * @return a {@link ImsCallProfile} object that has the remote call profile 535 */ 536 public ImsCallProfile getRemoteCallProfile() throws ImsException { 537 synchronized(mLockObj) { 538 if (mSession == null) { 539 throw new ImsException("No call session", 540 ImsReasonInfo.CODE_LOCAL_CALL_TERMINATED); 541 } 542 543 try { 544 return mSession.getRemoteCallProfile(); 545 } catch (Throwable t) { 546 loge("getRemoteCallProfile :: ", t); 547 throw new ImsException("getRemoteCallProfile()", t, 0); 548 } 549 } 550 } 551 552 /** 553 * Gets the call profile proposed by the local/remote user. 554 * 555 * @return a {@link ImsCallProfile} object that has the proposed call profile 556 */ 557 public ImsCallProfile getProposedCallProfile() { 558 synchronized(mLockObj) { 559 if (!isInCall()) { 560 return null; 561 } 562 563 return mProposedCallProfile; 564 } 565 } 566 567 /** 568 * Gets the state of the {@link ImsCallSession} that carries this call. 569 * The value returned must be one of the states in {@link ImsCallSession#State}. 570 * 571 * @return the session state 572 */ 573 public int getState() { 574 synchronized(mLockObj) { 575 if (mSession == null) { 576 return ImsCallSession.State.IDLE; 577 } 578 579 return mSession.getState(); 580 } 581 } 582 583 /** 584 * Gets the {@link ImsCallSession} that carries this call. 585 * 586 * @return the session object that carries this call 587 * @hide 588 */ 589 public ImsCallSession getCallSession() { 590 synchronized(mLockObj) { 591 return mSession; 592 } 593 } 594 595 /** 596 * Gets the {@link ImsStreamMediaSession} that handles the media operation of this call. 597 * Almost interface APIs are for the VT (Video Telephony). 598 * 599 * @return the media session object that handles the media operation of this call 600 * @hide 601 */ 602 public ImsStreamMediaSession getMediaSession() { 603 synchronized(mLockObj) { 604 return mMediaSession; 605 } 606 } 607 608 /** 609 * Gets the specified property of this call. 610 * 611 * @param name key to get the extra call information defined in {@link ImsCallProfile} 612 * @return the extra call information as string 613 */ 614 public String getCallExtra(String name) throws ImsException { 615 // Lookup the cache 616 617 synchronized(mLockObj) { 618 // If not found, try to get the property from the remote 619 if (mSession == null) { 620 throw new ImsException("No call session", 621 ImsReasonInfo.CODE_LOCAL_CALL_TERMINATED); 622 } 623 624 try { 625 return mSession.getProperty(name); 626 } catch (Throwable t) { 627 loge("getCallExtra :: ", t); 628 throw new ImsException("getCallExtra()", t, 0); 629 } 630 } 631 } 632 633 /** 634 * Gets the last reason information when the call is not established, cancelled or terminated. 635 * 636 * @return the last reason information 637 */ 638 public ImsReasonInfo getLastReasonInfo() { 639 synchronized(mLockObj) { 640 return mLastReasonInfo; 641 } 642 } 643 644 /** 645 * Checks if the call has a pending update operation. 646 * 647 * @return true if the call has a pending update operation 648 */ 649 public boolean hasPendingUpdate() { 650 synchronized(mLockObj) { 651 return (mUpdateRequest != UPDATE_NONE); 652 } 653 } 654 655 /** 656 * Checks if the call is established. 657 * 658 * @return true if the call is established 659 */ 660 public boolean isInCall() { 661 synchronized(mLockObj) { 662 return mInCall; 663 } 664 } 665 666 /** 667 * Checks if the call is muted. 668 * 669 * @return true if the call is muted 670 */ 671 public boolean isMuted() { 672 synchronized(mLockObj) { 673 return mMute; 674 } 675 } 676 677 /** 678 * Checks if the call is on hold. 679 * 680 * @return true if the call is on hold 681 */ 682 public boolean isOnHold() { 683 synchronized(mLockObj) { 684 return mHold; 685 } 686 } 687 688 /** 689 * Determines if the call is a multiparty call. 690 * 691 * @return {@code True} if the call is a multiparty call. 692 */ 693 public boolean isMultiparty() { 694 synchronized(mLockObj) { 695 if (mSession == null) { 696 return false; 697 } 698 699 return mSession.isMultiparty(); 700 } 701 } 702 703 /** 704 * Marks whether an IMS call is merged. This should be set {@code true} when the call merges 705 * into a conference. 706 * 707 * @param isMerged Whether the call is merged. 708 */ 709 public void setIsMerged(boolean isMerged) { 710 mIsMerged = isMerged; 711 } 712 713 /** 714 * @return {@code true} if the call recently merged into a conference call. 715 */ 716 public boolean isMerged() { 717 return mIsMerged; 718 } 719 720 /** 721 * Sets the listener to listen to the IMS call events. 722 * The method calls {@link #setListener setListener(listener, false)}. 723 * 724 * @param listener to listen to the IMS call events of this object; null to remove listener 725 * @see #setListener(Listener, boolean) 726 */ 727 public void setListener(ImsCall.Listener listener) { 728 setListener(listener, false); 729 } 730 731 /** 732 * Sets the listener to listen to the IMS call events. 733 * A {@link ImsCall} can only hold one listener at a time. Subsequent calls 734 * to this method override the previous listener. 735 * 736 * @param listener to listen to the IMS call events of this object; null to remove listener 737 * @param callbackImmediately set to true if the caller wants to be called 738 * back immediately on the current state 739 */ 740 public void setListener(ImsCall.Listener listener, boolean callbackImmediately) { 741 boolean inCall; 742 boolean onHold; 743 int state; 744 ImsReasonInfo lastReasonInfo; 745 746 synchronized(mLockObj) { 747 mListener = listener; 748 749 if ((listener == null) || !callbackImmediately) { 750 return; 751 } 752 753 inCall = mInCall; 754 onHold = mHold; 755 state = getState(); 756 lastReasonInfo = mLastReasonInfo; 757 } 758 759 try { 760 if (lastReasonInfo != null) { 761 listener.onCallError(this, lastReasonInfo); 762 } else if (inCall) { 763 if (onHold) { 764 listener.onCallHeld(this); 765 } else { 766 listener.onCallStarted(this); 767 } 768 } else { 769 switch (state) { 770 case ImsCallSession.State.ESTABLISHING: 771 listener.onCallProgressing(this); 772 break; 773 case ImsCallSession.State.TERMINATED: 774 listener.onCallTerminated(this, lastReasonInfo); 775 break; 776 default: 777 // Ignore it. There is no action in the other state. 778 break; 779 } 780 } 781 } catch (Throwable t) { 782 loge("setListener()", t); 783 } 784 } 785 786 /** 787 * Mutes or unmutes the mic for the active call. 788 * 789 * @param muted true if the call is muted, false otherwise 790 */ 791 public void setMute(boolean muted) throws ImsException { 792 synchronized(mLockObj) { 793 if (mMute != muted) { 794 mMute = muted; 795 796 try { 797 mSession.setMute(muted); 798 } catch (Throwable t) { 799 loge("setMute :: ", t); 800 throwImsException(t, 0); 801 } 802 } 803 } 804 } 805 806 /** 807 * Attaches an incoming call to this call object. 808 * 809 * @param session the session that receives the incoming call 810 * @throws ImsException if the IMS service fails to attach this object to the session 811 */ 812 public void attachSession(ImsCallSession session) throws ImsException { 813 if (DBG) { 814 log("attachSession :: session=" + session); 815 } 816 817 synchronized(mLockObj) { 818 mSession = session; 819 820 try { 821 mSession.setListener(createCallSessionListener()); 822 } catch (Throwable t) { 823 loge("attachSession :: ", t); 824 throwImsException(t, 0); 825 } 826 } 827 } 828 829 /** 830 * Initiates an IMS call with the call profile which is provided 831 * when creating a {@link ImsCall}. 832 * 833 * @param session the {@link ImsCallSession} for carrying out the call 834 * @param callee callee information to initiate an IMS call 835 * @throws ImsException if the IMS service fails to initiate the call 836 */ 837 public void start(ImsCallSession session, String callee) 838 throws ImsException { 839 if (DBG) { 840 log("start(1) :: session=" + session + ", callee=" + callee); 841 } 842 843 synchronized(mLockObj) { 844 mSession = session; 845 846 try { 847 session.setListener(createCallSessionListener()); 848 session.start(callee, mCallProfile); 849 } catch (Throwable t) { 850 loge("start(1) :: ", t); 851 throw new ImsException("start(1)", t, 0); 852 } 853 } 854 } 855 856 /** 857 * Initiates an IMS conferenca call with the call profile which is provided 858 * when creating a {@link ImsCall}. 859 * 860 * @param session the {@link ImsCallSession} for carrying out the call 861 * @param participants participant list to initiate an IMS conference call 862 * @throws ImsException if the IMS service fails to initiate the call 863 */ 864 public void start(ImsCallSession session, String[] participants) 865 throws ImsException { 866 if (DBG) { 867 log("start(n) :: session=" + session + ", callee=" + participants); 868 } 869 870 synchronized(mLockObj) { 871 mSession = session; 872 873 try { 874 session.setListener(createCallSessionListener()); 875 session.start(participants, mCallProfile); 876 } catch (Throwable t) { 877 loge("start(n) :: ", t); 878 throw new ImsException("start(n)", t, 0); 879 } 880 } 881 } 882 883 /** 884 * Accepts a call. 885 * 886 * @see Listener#onCallStarted 887 * 888 * @param callType The call type the user agreed to for accepting the call. 889 * @throws ImsException if the IMS service fails to accept the call 890 */ 891 public void accept(int callType) throws ImsException { 892 if (VDBG) { 893 logv("accept ::"); 894 } 895 896 accept(callType, new ImsStreamMediaProfile()); 897 } 898 899 /** 900 * Accepts a call. 901 * 902 * @param callType call type to be answered in {@link ImsCallProfile} 903 * @param profile a media profile to be answered (audio/audio & video, direction, ...) 904 * @see Listener#onCallStarted 905 * @throws ImsException if the IMS service fails to accept the call 906 */ 907 public void accept(int callType, ImsStreamMediaProfile profile) throws ImsException { 908 if (VDBG) { 909 logv("accept :: callType=" + callType + ", profile=" + profile); 910 } 911 912 synchronized(mLockObj) { 913 if (mSession == null) { 914 throw new ImsException("No call to answer", 915 ImsReasonInfo.CODE_LOCAL_CALL_TERMINATED); 916 } 917 918 try { 919 mSession.accept(callType, profile); 920 } catch (Throwable t) { 921 loge("accept :: ", t); 922 throw new ImsException("accept()", t, 0); 923 } 924 925 if (mInCall && (mProposedCallProfile != null)) { 926 if (DBG) { 927 log("accept :: call profile will be updated"); 928 } 929 930 mCallProfile = mProposedCallProfile; 931 mProposedCallProfile = null; 932 } 933 934 // Other call update received 935 if (mInCall && (mUpdateRequest == UPDATE_UNSPECIFIED)) { 936 mUpdateRequest = UPDATE_NONE; 937 } 938 } 939 } 940 941 /** 942 * Rejects a call. 943 * 944 * @param reason reason code to reject an incoming call 945 * @see Listener#onCallStartFailed 946 * @throws ImsException if the IMS service fails to accept the call 947 */ 948 public void reject(int reason) throws ImsException { 949 if (VDBG) { 950 logv("reject :: reason=" + reason); 951 } 952 953 synchronized(mLockObj) { 954 if (mSession != null) { 955 mSession.reject(reason); 956 } 957 958 if (mInCall && (mProposedCallProfile != null)) { 959 if (DBG) { 960 log("reject :: call profile is not updated; destroy it..."); 961 } 962 963 mProposedCallProfile = null; 964 } 965 966 // Other call update received 967 if (mInCall && (mUpdateRequest == UPDATE_UNSPECIFIED)) { 968 mUpdateRequest = UPDATE_NONE; 969 } 970 } 971 } 972 973 /** 974 * Terminates an IMS call. 975 * 976 * @param reason reason code to terminate a call 977 * @throws ImsException if the IMS service fails to terminate the call 978 */ 979 public void terminate(int reason) throws ImsException { 980 if (VDBG) { 981 logv("terminate :: reason=" + reason); 982 } 983 984 synchronized(mLockObj) { 985 mHold = false; 986 mInCall = false; 987 988 if (mSession != null) { 989 mSession.terminate(reason); 990 } 991 } 992 } 993 994 995 /** 996 * Puts a call on hold. When succeeds, {@link Listener#onCallHeld} is called. 997 * 998 * @see Listener#onCallHeld, Listener#onCallHoldFailed 999 * @throws ImsException if the IMS service fails to hold the call 1000 */ 1001 public void hold() throws ImsException { 1002 if (VDBG) { 1003 logv("hold ::"); 1004 } 1005 1006 if (isOnHold()) { 1007 if (DBG) { 1008 log("hold :: call is already on hold"); 1009 } 1010 return; 1011 } 1012 1013 synchronized(mLockObj) { 1014 if (mUpdateRequest != UPDATE_NONE) { 1015 loge("hold :: update is in progress; request=" + 1016 updateRequestToString(mUpdateRequest)); 1017 throw new ImsException("Call update is in progress", 1018 ImsReasonInfo.CODE_LOCAL_ILLEGAL_STATE); 1019 } 1020 1021 if (mSession == null) { 1022 loge("hold :: "); 1023 throw new ImsException("No call session", 1024 ImsReasonInfo.CODE_LOCAL_CALL_TERMINATED); 1025 } 1026 1027 mSession.hold(createHoldMediaProfile()); 1028 // FIXME: update the state on the callback? 1029 mHold = true; 1030 mUpdateRequest = UPDATE_HOLD; 1031 } 1032 } 1033 1034 /** 1035 * Continues a call that's on hold. When succeeds, {@link Listener#onCallResumed} is called. 1036 * 1037 * @see Listener#onCallResumed, Listener#onCallResumeFailed 1038 * @throws ImsException if the IMS service fails to resume the call 1039 */ 1040 public void resume() throws ImsException { 1041 if (VDBG) { 1042 logv("resume ::"); 1043 } 1044 1045 if (!isOnHold()) { 1046 if (DBG) { 1047 log("resume :: call is in conversation"); 1048 } 1049 return; 1050 } 1051 1052 synchronized(mLockObj) { 1053 if (mUpdateRequest != UPDATE_NONE) { 1054 loge("resume :: update is in progress; request=" + 1055 updateRequestToString(mUpdateRequest)); 1056 throw new ImsException("Call update is in progress", 1057 ImsReasonInfo.CODE_LOCAL_ILLEGAL_STATE); 1058 } 1059 1060 if (mSession == null) { 1061 loge("resume :: "); 1062 throw new ImsException("No call session", 1063 ImsReasonInfo.CODE_LOCAL_CALL_TERMINATED); 1064 } 1065 1066 mSession.resume(createResumeMediaProfile()); 1067 // FIXME: update the state on the callback? 1068 mHold = false; 1069 mUpdateRequest = UPDATE_RESUME; 1070 } 1071 } 1072 1073 /** 1074 * Merges the active & hold call. 1075 * 1076 * @see Listener#onCallMerged, Listener#onCallMergeFailed 1077 * @throws ImsException if the IMS service fails to merge the call 1078 */ 1079 public void merge() throws ImsException { 1080 if (VDBG) { 1081 logv("merge ::"); 1082 } 1083 1084 synchronized(mLockObj) { 1085 if (mUpdateRequest != UPDATE_NONE) { 1086 loge("merge :: update is in progress; request=" + 1087 updateRequestToString(mUpdateRequest)); 1088 throw new ImsException("Call update is in progress", 1089 ImsReasonInfo.CODE_LOCAL_ILLEGAL_STATE); 1090 } 1091 1092 if (mSession == null) { 1093 loge("merge :: "); 1094 throw new ImsException("No call session", 1095 ImsReasonInfo.CODE_LOCAL_CALL_TERMINATED); 1096 } 1097 1098 // if skipHoldBeforeMerge = true, IMS service implementation will 1099 // merge without explicitly holding the call. 1100 if (mHold || (mContext.getResources().getBoolean( 1101 com.android.internal.R.bool.skipHoldBeforeMerge))) { 1102 1103 if (mMergePeer != null && !mMergePeer.isMultiparty() && !isMultiparty()) { 1104 // We only set UPDATE_MERGE when we are adding the first 1105 // calls to the Conference. If there is already a conference 1106 // no special handling is needed.The existing conference 1107 // session will just go active and any other sessions will be terminated 1108 // if needed. There will be no merge failed callback. 1109 mUpdateRequest = UPDATE_MERGE; 1110 } 1111 1112 mSession.merge(); 1113 } else { 1114 // This code basically says, we need to explicitly hold before requesting a merge 1115 // when we get the callback that the hold was successful (or failed), we should 1116 // automatically request a merge. 1117 mSession.hold(createHoldMediaProfile()); 1118 mHold = true; 1119 mUpdateRequest = UPDATE_HOLD_MERGE; 1120 } 1121 } 1122 } 1123 1124 /** 1125 * Merges the active & hold call. 1126 * 1127 * @param bgCall the background (holding) call 1128 * @see Listener#onCallMerged, Listener#onCallMergeFailed 1129 * @throws ImsException if the IMS service fails to merge the call 1130 */ 1131 public void merge(ImsCall bgCall) throws ImsException { 1132 if (VDBG) { 1133 logv("merge(1) :: bgImsCall=" + bgCall); 1134 } 1135 1136 if (bgCall == null) { 1137 throw new ImsException("No background call", 1138 ImsReasonInfo.CODE_LOCAL_ILLEGAL_ARGUMENT); 1139 } 1140 1141 synchronized(mLockObj) { 1142 setMergePeer(bgCall); 1143 } 1144 1145 merge(); 1146 } 1147 1148 /** 1149 * Updates the current call's properties (ex. call mode change: video upgrade / downgrade). 1150 */ 1151 public void update(int callType, ImsStreamMediaProfile mediaProfile) throws ImsException { 1152 if (VDBG) { 1153 logv("update ::"); 1154 } 1155 1156 if (isOnHold()) { 1157 if (DBG) { 1158 log("update :: call is on hold"); 1159 } 1160 throw new ImsException("Not in a call to update call", 1161 ImsReasonInfo.CODE_LOCAL_ILLEGAL_STATE); 1162 } 1163 1164 synchronized(mLockObj) { 1165 if (mUpdateRequest != UPDATE_NONE) { 1166 if (DBG) { 1167 log("update :: update is in progress; request=" + 1168 updateRequestToString(mUpdateRequest)); 1169 } 1170 throw new ImsException("Call update is in progress", 1171 ImsReasonInfo.CODE_LOCAL_ILLEGAL_STATE); 1172 } 1173 1174 if (mSession == null) { 1175 loge("update :: "); 1176 throw new ImsException("No call session", 1177 ImsReasonInfo.CODE_LOCAL_CALL_TERMINATED); 1178 } 1179 1180 mSession.update(callType, mediaProfile); 1181 mUpdateRequest = UPDATE_UNSPECIFIED; 1182 } 1183 } 1184 1185 /** 1186 * Extends this call (1-to-1 call) to the conference call 1187 * inviting the specified participants to. 1188 * 1189 */ 1190 public void extendToConference(String[] participants) throws ImsException { 1191 if (VDBG) { 1192 logv("extendToConference ::"); 1193 } 1194 1195 if (isOnHold()) { 1196 if (DBG) { 1197 log("extendToConference :: call is on hold"); 1198 } 1199 throw new ImsException("Not in a call to extend a call to conference", 1200 ImsReasonInfo.CODE_LOCAL_ILLEGAL_STATE); 1201 } 1202 1203 synchronized(mLockObj) { 1204 if (mUpdateRequest != UPDATE_NONE) { 1205 if (DBG) { 1206 log("extendToConference :: update is in progress; request=" + 1207 updateRequestToString(mUpdateRequest)); 1208 } 1209 throw new ImsException("Call update is in progress", 1210 ImsReasonInfo.CODE_LOCAL_ILLEGAL_STATE); 1211 } 1212 1213 if (mSession == null) { 1214 loge("extendToConference :: "); 1215 throw new ImsException("No call session", 1216 ImsReasonInfo.CODE_LOCAL_CALL_TERMINATED); 1217 } 1218 1219 mSession.extendToConference(participants); 1220 mUpdateRequest = UPDATE_EXTEND_TO_CONFERENCE; 1221 } 1222 } 1223 1224 /** 1225 * Requests the conference server to invite an additional participants to the conference. 1226 * 1227 */ 1228 public void inviteParticipants(String[] participants) throws ImsException { 1229 if (VDBG) { 1230 logv("inviteParticipants ::"); 1231 } 1232 1233 synchronized(mLockObj) { 1234 if (mSession == null) { 1235 loge("inviteParticipants :: "); 1236 throw new ImsException("No call session", 1237 ImsReasonInfo.CODE_LOCAL_CALL_TERMINATED); 1238 } 1239 1240 mSession.inviteParticipants(participants); 1241 } 1242 } 1243 1244 /** 1245 * Requests the conference server to remove the specified participants from the conference. 1246 * 1247 */ 1248 public void removeParticipants(String[] participants) throws ImsException { 1249 if (DBG) { 1250 log("removeParticipants ::"); 1251 } 1252 1253 synchronized(mLockObj) { 1254 if (mSession == null) { 1255 loge("removeParticipants :: "); 1256 throw new ImsException("No call session", 1257 ImsReasonInfo.CODE_LOCAL_CALL_TERMINATED); 1258 } 1259 1260 mSession.removeParticipants(participants); 1261 } 1262 } 1263 1264 1265 /** 1266 * Sends a DTMF code. According to <a href="http://tools.ietf.org/html/rfc2833">RFC 2833</a>, 1267 * event 0 ~ 9 maps to decimal value 0 ~ 9, '*' to 10, '#' to 11, event 'A' ~ 'D' to 12 ~ 15, 1268 * and event flash to 16. Currently, event flash is not supported. 1269 * 1270 * @param char that represents the DTMF digit to send. 1271 */ 1272 public void sendDtmf(char c) { 1273 sendDtmf(c, null); 1274 } 1275 1276 /** 1277 * Sends a DTMF code. According to <a href="http://tools.ietf.org/html/rfc2833">RFC 2833</a>, 1278 * event 0 ~ 9 maps to decimal value 0 ~ 9, '*' to 10, '#' to 11, event 'A' ~ 'D' to 12 ~ 15, 1279 * and event flash to 16. Currently, event flash is not supported. 1280 * 1281 * @param c that represents the DTMF to send. '0' ~ '9', 'A' ~ 'D', '*', '#' are valid inputs. 1282 * @param result the result message to send when done. 1283 */ 1284 public void sendDtmf(char c, Message result) { 1285 if (VDBG) { 1286 logv("sendDtmf :: code=" + c); 1287 } 1288 1289 synchronized(mLockObj) { 1290 if (mSession != null) { 1291 mSession.sendDtmf(c); 1292 } 1293 } 1294 1295 if (result != null) { 1296 result.sendToTarget(); 1297 } 1298 } 1299 1300 /** 1301 * Sends an USSD message. 1302 * 1303 * @param ussdMessage USSD message to send 1304 */ 1305 public void sendUssd(String ussdMessage) throws ImsException { 1306 if (VDBG) { 1307 logv("sendUssd :: ussdMessage=" + ussdMessage); 1308 } 1309 1310 synchronized(mLockObj) { 1311 if (mSession == null) { 1312 loge("sendUssd :: "); 1313 throw new ImsException("No call session", 1314 ImsReasonInfo.CODE_LOCAL_CALL_TERMINATED); 1315 } 1316 1317 mSession.sendUssd(ussdMessage); 1318 } 1319 } 1320 1321 private void clear(ImsReasonInfo lastReasonInfo) { 1322 mInCall = false; 1323 mHold = false; 1324 mUpdateRequest = UPDATE_NONE; 1325 mLastReasonInfo = lastReasonInfo; 1326 } 1327 1328 /** 1329 * Creates an IMS call session listener. 1330 */ 1331 private ImsCallSession.Listener createCallSessionListener() { 1332 return new ImsCallSessionListenerProxy(); 1333 } 1334 1335 private ImsCall createNewCall(ImsCallSession session, ImsCallProfile profile) { 1336 ImsCall call = new ImsCall(mContext, profile); 1337 1338 try { 1339 call.attachSession(session); 1340 } catch (ImsException e) { 1341 if (call != null) { 1342 call.close(); 1343 call = null; 1344 } 1345 } 1346 1347 // Do additional operations... 1348 1349 return call; 1350 } 1351 1352 private ImsStreamMediaProfile createHoldMediaProfile() { 1353 ImsStreamMediaProfile mediaProfile = new ImsStreamMediaProfile(); 1354 1355 if (mCallProfile == null) { 1356 return mediaProfile; 1357 } 1358 1359 mediaProfile.mAudioQuality = mCallProfile.mMediaProfile.mAudioQuality; 1360 mediaProfile.mVideoQuality = mCallProfile.mMediaProfile.mVideoQuality; 1361 mediaProfile.mAudioDirection = ImsStreamMediaProfile.DIRECTION_SEND; 1362 1363 if (mediaProfile.mVideoQuality != ImsStreamMediaProfile.VIDEO_QUALITY_NONE) { 1364 mediaProfile.mVideoDirection = ImsStreamMediaProfile.DIRECTION_SEND; 1365 } 1366 1367 return mediaProfile; 1368 } 1369 1370 private ImsStreamMediaProfile createResumeMediaProfile() { 1371 ImsStreamMediaProfile mediaProfile = new ImsStreamMediaProfile(); 1372 1373 if (mCallProfile == null) { 1374 return mediaProfile; 1375 } 1376 1377 mediaProfile.mAudioQuality = mCallProfile.mMediaProfile.mAudioQuality; 1378 mediaProfile.mVideoQuality = mCallProfile.mMediaProfile.mVideoQuality; 1379 mediaProfile.mAudioDirection = ImsStreamMediaProfile.DIRECTION_SEND_RECEIVE; 1380 1381 if (mediaProfile.mVideoQuality != ImsStreamMediaProfile.VIDEO_QUALITY_NONE) { 1382 mediaProfile.mVideoDirection = ImsStreamMediaProfile.DIRECTION_SEND_RECEIVE; 1383 } 1384 1385 return mediaProfile; 1386 } 1387 1388 private void enforceConversationMode() { 1389 if (mInCall) { 1390 mHold = false; 1391 mUpdateRequest = UPDATE_NONE; 1392 } 1393 } 1394 1395 private void mergeInternal() { 1396 if (VDBG) { 1397 logv("mergeInternal ::"); 1398 } 1399 1400 mSession.merge(); 1401 mUpdateRequest = UPDATE_MERGE; 1402 } 1403 1404 private void notifyConferenceSessionTerminated(ImsReasonInfo reasonInfo) { 1405 ImsCall.Listener listener = mListener; 1406 clear(reasonInfo); 1407 1408 if (listener != null) { 1409 try { 1410 listener.onCallTerminated(this, reasonInfo); 1411 } catch (Throwable t) { 1412 loge("notifyConferenceSessionTerminated :: ", t); 1413 } 1414 } 1415 } 1416 1417 private void notifyConferenceStateUpdated(ImsConferenceState state) { 1418 Set<Entry<String, Bundle>> participants = state.mParticipants.entrySet(); 1419 1420 if (participants == null) { 1421 return; 1422 } 1423 1424 Iterator<Entry<String, Bundle>> iterator = participants.iterator(); 1425 List<ConferenceParticipant> conferenceParticipants = new ArrayList<>(participants.size()); 1426 while (iterator.hasNext()) { 1427 Entry<String, Bundle> entry = iterator.next(); 1428 1429 String key = entry.getKey(); 1430 Bundle confInfo = entry.getValue(); 1431 String status = confInfo.getString(ImsConferenceState.STATUS); 1432 String user = confInfo.getString(ImsConferenceState.USER); 1433 String displayName = confInfo.getString(ImsConferenceState.DISPLAY_TEXT); 1434 String endpoint = confInfo.getString(ImsConferenceState.ENDPOINT); 1435 1436 if (DBG) { 1437 log("notifyConferenceStateUpdated :: key=" + key + 1438 ", status=" + status + 1439 ", user=" + user + 1440 ", displayName= " + displayName + 1441 ", endpoint=" + endpoint); 1442 } 1443 1444 Uri handle = Uri.parse(user); 1445 Uri endpointUri = Uri.parse(endpoint); 1446 int connectionState = ImsConferenceState.getConnectionStateForStatus(status); 1447 1448 ConferenceParticipant conferenceParticipant = new ConferenceParticipant(handle, 1449 displayName, endpointUri, connectionState); 1450 conferenceParticipants.add(conferenceParticipant); 1451 } 1452 1453 if (!conferenceParticipants.isEmpty() && mListener != null) { 1454 try { 1455 mListener.onConferenceParticipantsStateChanged(this, conferenceParticipants); 1456 } catch (Throwable t) { 1457 loge("notifyConferenceStateUpdated :: ", t); 1458 } 1459 } 1460 } 1461 1462 /** 1463 * Perform all cleanup and notification around the termination of a session. 1464 * Note that there are 2 distinct modes of operation. The first is when 1465 * we receive a session termination on the primary session when we are 1466 * in the processing of merging. The second is when we are not merging anything 1467 * and the call is terminated. 1468 * 1469 * @param reasonInfo The reason for the session termination 1470 */ 1471 private void processCallTerminated(ImsReasonInfo reasonInfo) { 1472 if (VDBG) { 1473 String reasonString = reasonInfo != null ? reasonInfo.toString() : "null"; 1474 logv("processCallTerminated :: reason=" + reasonString); 1475 } 1476 1477 ImsCall.Listener listener = null; 1478 1479 synchronized(ImsCall.this) { 1480 // Handle the case where the original pre-merge session is terminated due to the other 1481 // party disconnecting (or some other failure). 1482 if (mUpdateRequest == UPDATE_MERGE) { 1483 // Since we are in the process of a merge, this trigger means something 1484 // else because it is probably due to the merge happening vs. the 1485 // session is really terminated. Let's flag this and revisit if 1486 // the merge() ends up failing because we will need to take action on the 1487 // mSession in that case since the termination was not due to the merge 1488 // succeeding. 1489 if (DBG) { 1490 log("processCallTerminated :: burying termination during ongoing merge."); 1491 } 1492 mSessionEndDuringMerge = true; 1493 mSessionEndDuringMergeReasonInfo = reasonInfo; 1494 return; 1495 } 1496 1497 // If in the middle of a merge and call is not the merge host, then we are being 1498 // disconnected due to the merge and should suppress the disconnect tone. 1499 if (isMerging()) { 1500 if (isMergePeer()) { 1501 setIsMerged(true); 1502 } else { 1503 // We are the host and are being legitimately disconnected. Ensure neither call 1504 // will suppress the disconnect tone. 1505 mMergePeer.setIsMerged(false); 1506 } 1507 clearMergePeer(); 1508 } 1509 1510 // If we are terminating the conference call, notify using conference listeners. 1511 if (isMultiparty()) { 1512 notifyConferenceSessionTerminated(reasonInfo); 1513 return; 1514 } else { 1515 listener = mListener; 1516 clear(reasonInfo); 1517 } 1518 } 1519 1520 if (listener != null) { 1521 try { 1522 listener.onCallTerminated(ImsCall.this, reasonInfo); 1523 } catch (Throwable t) { 1524 loge("callSessionTerminated :: ", t); 1525 } 1526 } 1527 } 1528 1529 /** 1530 * This function determines if the ImsCallSession is our actual ImsCallSession or if is 1531 * the transient session used in the process of creating a conference. This function should only 1532 * be called within callbacks that are not directly related to conference merging but might 1533 * potentially still be called on the transient ImsCallSession sent to us from 1534 * callSessionMergeStarted() when we don't really care. In those situations, we probably don't 1535 * want to take any action so we need to know that we can return early. 1536 * 1537 * @param session - The {@link ImsCallSession} that the function needs to analyze 1538 * @return true if this is the transient {@link ImsCallSession}, false otherwise. 1539 */ 1540 private boolean isTransientConferenceSession(ImsCallSession session) { 1541 if (session != null && session != mSession && session == mTransientConferenceSession) { 1542 return true; 1543 } 1544 return false; 1545 } 1546 1547 /** 1548 * We received a callback from ImsCallSession that a merge was complete. Clean up all 1549 * internal state to represent this state change. This function will be called when 1550 * the transient conference session goes active or we get an explicit merge complete 1551 * callback on the transient session. 1552 * 1553 */ 1554 private void processMergeComplete() { 1555 if (VDBG) { 1556 logv("processMergeComplete ::"); 1557 } 1558 1559 ImsCall.Listener listener; 1560 synchronized(ImsCall.this) { 1561 listener = mListener; 1562 if (mTransientConferenceSession == null) { 1563 // This is an interesting state that needs to be logged since we 1564 // should only be going through this workflow for new conference calls 1565 // and not merges into existing conferences (which a null transient 1566 // session would imply) 1567 log("processMergeComplete :: ERROR no transient session"); 1568 return; 1569 } 1570 1571 // Swap out the underlying sessions after shutting down the existing session. 1572 mSession.setListener(null); 1573 mSession = mTransientConferenceSession; 1574 listener = mListener; 1575 1576 // Mark the merge peer call as merged so that when it terminates, the disconnect tone is 1577 // suppressed. 1578 if (mMergePeer != null) { 1579 mMergePeer.setIsMerged(true); 1580 } 1581 clearMergePeer(); 1582 1583 // Clear some flags. If the merge eventually worked, we can safely 1584 // ignore the call terminated message for the old session since we closed it already. 1585 mSessionEndDuringMerge = false; 1586 mSessionEndDuringMergeReasonInfo = null; 1587 mUpdateRequest = UPDATE_NONE; 1588 } 1589 if (listener != null) { 1590 try { 1591 listener.onCallMerged(ImsCall.this); 1592 } catch (Throwable t) { 1593 loge("processMergeComplete :: ", t); 1594 } 1595 } 1596 1597 return; 1598 } 1599 1600 /** 1601 * We received a callback from ImsCallSession that a merge failed. Clean up all 1602 * internal state to represent this state change. 1603 * 1604 * @param reasonInfo The {@link ImsReasonInfo} why the merge failed. 1605 */ 1606 private void processMergeFailed(ImsReasonInfo reasonInfo) { 1607 if (VDBG) { 1608 String reasonString = reasonInfo != null ? reasonInfo.toString() : "null"; 1609 logv("processMergeFailed :: reason=" + reasonString); 1610 } 1611 1612 ImsCall.Listener listener; 1613 boolean notifyFailure = false; 1614 ImsReasonInfo notifyFailureReasonInfo = null; 1615 1616 synchronized(ImsCall.this) { 1617 listener = mListener; 1618 if (mTransientConferenceSession != null) { 1619 // Clean up any work that we performed on the transient session. 1620 mTransientConferenceSession.setListener(null); 1621 mTransientConferenceSession = null; 1622 listener = mListener; 1623 if (mSessionEndDuringMerge) { 1624 // Set some local variables that will send out a notification about a 1625 // previously buried termination callback for our primary session now that 1626 // we know that this is not due to the conference call merging succesfully. 1627 if (DBG) { 1628 log("processMergeFailed :: following up on a terminate during the merge"); 1629 } 1630 notifyFailure = true; 1631 notifyFailureReasonInfo = mSessionEndDuringMergeReasonInfo; 1632 } 1633 } else { 1634 // This is an interesting state that needs to be logged since we 1635 // should only be going through this workflow for new conference calls 1636 // and not merges into existing conferences (which a null transient 1637 // session would imply) 1638 log("processMergeFailed - ERROR no transient session"); 1639 } 1640 mSessionEndDuringMerge = false; 1641 mSessionEndDuringMergeReasonInfo = null; 1642 mUpdateRequest = UPDATE_NONE; 1643 1644 // Ensure the call being conferenced into the conference has isMerged = false. 1645 if (isMergeHost()) { 1646 mMergePeer.setIsMerged(false); 1647 } else { 1648 setIsMerged(false); 1649 } 1650 // Unlink the two calls since they are no longer being involved in an attempted merge. 1651 clearMergePeer(); 1652 } 1653 if (listener != null) { 1654 try { 1655 // TODO: are both of these callbacks necessary? 1656 listener.onCallMergeFailed(ImsCall.this, reasonInfo); 1657 if (notifyFailure) { 1658 processCallTerminated(notifyFailureReasonInfo); 1659 } 1660 } catch (Throwable t) { 1661 loge("processMergeFailed :: ", t); 1662 } 1663 } 1664 return; 1665 } 1666 1667 private void notifyError(int reason, int statusCode, String message) { 1668 } 1669 1670 private void throwImsException(Throwable t, int code) throws ImsException { 1671 if (t instanceof ImsException) { 1672 throw (ImsException) t; 1673 } else { 1674 throw new ImsException(String.valueOf(code), t, code); 1675 } 1676 } 1677 1678 private void log(String s) { 1679 Rlog.d(TAG, s); 1680 } 1681 1682 /** 1683 * Logs the specified message, as well as the current instance of {@link ImsCall}. 1684 * 1685 * @param s The message to log. 1686 */ 1687 private void logv(String s) { 1688 StringBuilder sb = new StringBuilder(); 1689 sb.append(s); 1690 sb.append(" imsCall="); 1691 sb.append(ImsCall.this); 1692 Rlog.v(TAG, sb.toString()); 1693 } 1694 1695 private void loge(String s) { 1696 Rlog.e(TAG, s); 1697 } 1698 1699 private void loge(String s, Throwable t) { 1700 Rlog.e(TAG, s, t); 1701 } 1702 1703 private class ImsCallSessionListenerProxy extends ImsCallSession.Listener { 1704 @Override 1705 public void callSessionProgressing(ImsCallSession session, ImsStreamMediaProfile profile) { 1706 if (isTransientConferenceSession(session)) { 1707 log("callSessionProgressing :: not supported for transient conference session=" + 1708 session); 1709 return; 1710 } 1711 1712 if (VDBG) { 1713 logv("callSessionProgressing :: profile=" + profile); 1714 } 1715 1716 ImsCall.Listener listener; 1717 1718 synchronized(ImsCall.this) { 1719 listener = mListener; 1720 mCallProfile.mMediaProfile.copyFrom(profile); 1721 } 1722 1723 if (listener != null) { 1724 try { 1725 listener.onCallProgressing(ImsCall.this); 1726 } catch (Throwable t) { 1727 loge("callSessionProgressing :: ", t); 1728 } 1729 } 1730 } 1731 1732 @Override 1733 public void callSessionStarted(ImsCallSession session, ImsCallProfile profile) { 1734 if (VDBG) { 1735 logv("callSessionStarted :: profile=" + profile); 1736 } 1737 1738 if (isTransientConferenceSession(session)) { 1739 log("callSessionStarted :: transient conference session resumed session=" + 1740 session); 1741 // If we get a resume on the transient session, this means that the merge 1742 // was completed, let's process it are skip the rest of the processing in 1743 // this callback. 1744 processMergeComplete(); 1745 return; 1746 } else if (isMerging() && isMergeHost()) { 1747 // Ensure peer is set to suppress the disconnect tone. 1748 mMergePeer.setIsMerged(true); 1749 } 1750 1751 ImsCall.Listener listener; 1752 1753 synchronized(ImsCall.this) { 1754 listener = mListener; 1755 mCallProfile = profile; 1756 } 1757 1758 if (listener != null) { 1759 try { 1760 listener.onCallStarted(ImsCall.this); 1761 } catch (Throwable t) { 1762 loge("callSessionStarted :: ", t); 1763 } 1764 } 1765 } 1766 1767 @Override 1768 public void callSessionStartFailed(ImsCallSession session, ImsReasonInfo reasonInfo) { 1769 if (isTransientConferenceSession(session)) { 1770 log("callSessionStartFailed :: not supported for transient conference session=" + 1771 session); 1772 return; 1773 } 1774 1775 if (VDBG) { 1776 logv("callSessionStartFailed :: reasonInfo=" + reasonInfo); 1777 } 1778 1779 ImsCall.Listener listener; 1780 1781 synchronized(ImsCall.this) { 1782 listener = mListener; 1783 mLastReasonInfo = reasonInfo; 1784 } 1785 1786 if (listener != null) { 1787 try { 1788 listener.onCallStartFailed(ImsCall.this, reasonInfo); 1789 } catch (Throwable t) { 1790 loge("callSessionStarted :: ", t); 1791 } 1792 } 1793 } 1794 1795 @Override 1796 public void callSessionTerminated(ImsCallSession session, ImsReasonInfo reasonInfo) { 1797 if (mSession != session) { 1798 log("callSessionTerminated :: not supported for conference session=" + session); 1799 return; 1800 } 1801 1802 if (VDBG) { 1803 logv("callSessionTerminated :: reasonInfo=" + reasonInfo); 1804 } 1805 1806 processCallTerminated(reasonInfo); 1807 } 1808 1809 @Override 1810 public void callSessionHeld(ImsCallSession session, ImsCallProfile profile) { 1811 if (isTransientConferenceSession(session)) { 1812 log("callSessionHeld :: not supported for transient conference session=" + session); 1813 return; 1814 } 1815 1816 if (VDBG) { 1817 logv("callSessionHeld :: profile=" + profile); 1818 } 1819 1820 ImsCall.Listener listener; 1821 1822 synchronized(ImsCall.this) { 1823 mCallProfile = profile; 1824 1825 if (mUpdateRequest == UPDATE_HOLD_MERGE) { 1826 mergeInternal(); 1827 return; 1828 } 1829 1830 mUpdateRequest = UPDATE_NONE; 1831 listener = mListener; 1832 } 1833 1834 if (listener != null) { 1835 try { 1836 listener.onCallHeld(ImsCall.this); 1837 } catch (Throwable t) { 1838 loge("callSessionHeld :: ", t); 1839 } 1840 } 1841 } 1842 1843 @Override 1844 public void callSessionHoldFailed(ImsCallSession session, ImsReasonInfo reasonInfo) { 1845 if (isTransientConferenceSession(session)) { 1846 log("callSessionHoldFailed :: not supported for transient conference session=" + 1847 session); 1848 return; 1849 } 1850 1851 if (VDBG) { 1852 logv("callSessionHoldFailed :: reasonInfo=" + reasonInfo); 1853 } 1854 1855 boolean isHoldForMerge = false; 1856 ImsCall.Listener listener; 1857 1858 synchronized(ImsCall.this) { 1859 if (mUpdateRequest == UPDATE_HOLD_MERGE) { 1860 isHoldForMerge = true; 1861 } 1862 1863 mUpdateRequest = UPDATE_NONE; 1864 listener = mListener; 1865 } 1866 1867 if (isHoldForMerge) { 1868 // Is hold for merge implemented/supported? If so we need to take a close look 1869 // at this workflow to make sure that we handle the case where 1870 // callSessionMergeFailed() does the right thing because we have not actually 1871 // started the merge yet. 1872 callSessionMergeFailed(session, reasonInfo); 1873 return; 1874 } 1875 1876 if (listener != null) { 1877 try { 1878 listener.onCallHoldFailed(ImsCall.this, reasonInfo); 1879 } catch (Throwable t) { 1880 loge("callSessionHoldFailed :: ", t); 1881 } 1882 } 1883 } 1884 1885 @Override 1886 public void callSessionHoldReceived(ImsCallSession session, ImsCallProfile profile) { 1887 if (isTransientConferenceSession(session)) { 1888 log("callSessionHoldReceived :: not supported for transient conference session=" + 1889 session); 1890 return; 1891 } 1892 1893 if (VDBG) { 1894 logv("callSessionHoldReceived :: profile=" + profile); 1895 } 1896 1897 ImsCall.Listener listener; 1898 1899 synchronized(ImsCall.this) { 1900 listener = mListener; 1901 mCallProfile = profile; 1902 } 1903 1904 if (listener != null) { 1905 try { 1906 listener.onCallHoldReceived(ImsCall.this); 1907 } catch (Throwable t) { 1908 loge("callSessionHoldReceived :: ", t); 1909 } 1910 } 1911 } 1912 1913 @Override 1914 public void callSessionResumed(ImsCallSession session, ImsCallProfile profile) { 1915 if (isTransientConferenceSession(session)) { 1916 log("callSessionResumed :: not supported for transient conference session=" + 1917 session); 1918 return; 1919 } 1920 1921 if (VDBG) { 1922 logv("callSessionResumed :: profile=" + profile); 1923 } 1924 1925 ImsCall.Listener listener; 1926 1927 synchronized(ImsCall.this) { 1928 listener = mListener; 1929 mCallProfile = profile; 1930 mUpdateRequest = UPDATE_NONE; 1931 } 1932 1933 if (listener != null) { 1934 try { 1935 listener.onCallResumed(ImsCall.this); 1936 } catch (Throwable t) { 1937 loge("callSessionResumed :: ", t); 1938 } 1939 } 1940 } 1941 1942 @Override 1943 public void callSessionResumeFailed(ImsCallSession session, ImsReasonInfo reasonInfo) { 1944 if (isTransientConferenceSession(session)) { 1945 log("callSessionResumeFailed :: not supported for transient conference session=" + 1946 session); 1947 return; 1948 } 1949 1950 if (VDBG) { 1951 logv("callSessionResumeFailed :: reasonInfo=" + reasonInfo); 1952 } 1953 1954 ImsCall.Listener listener; 1955 1956 synchronized(ImsCall.this) { 1957 listener = mListener; 1958 mUpdateRequest = UPDATE_NONE; 1959 } 1960 1961 if (listener != null) { 1962 try { 1963 listener.onCallResumeFailed(ImsCall.this, reasonInfo); 1964 } catch (Throwable t) { 1965 loge("callSessionResumeFailed :: ", t); 1966 } 1967 } 1968 } 1969 1970 @Override 1971 public void callSessionResumeReceived(ImsCallSession session, ImsCallProfile profile) { 1972 if (isTransientConferenceSession(session)) { 1973 log("callSessionResumeReceived :: not supported for transient conference session=" + 1974 session); 1975 return; 1976 } 1977 1978 if (VDBG) { 1979 logv("callSessionResumeReceived :: profile=" + profile); 1980 } 1981 1982 ImsCall.Listener listener; 1983 1984 synchronized(ImsCall.this) { 1985 listener = mListener; 1986 mCallProfile = profile; 1987 } 1988 1989 if (listener != null) { 1990 try { 1991 listener.onCallResumeReceived(ImsCall.this); 1992 } catch (Throwable t) { 1993 loge("callSessionResumeReceived :: ", t); 1994 } 1995 } 1996 } 1997 1998 @Override 1999 public void callSessionMergeStarted(ImsCallSession session, 2000 ImsCallSession newSession, ImsCallProfile profile) { 2001 if (VDBG) { 2002 String newSessionString = newSession == null ? "null" : newSession.toString(); 2003 logv("callSessionMergeStarted :: newSession=" + newSessionString + 2004 ", profile=" + profile); 2005 } 2006 2007 if (mUpdateRequest != UPDATE_MERGE) { 2008 // Odd, we are not in the midst of merging anything. 2009 log("callSessionMergeStarted :: no merge in progress."); 2010 return; 2011 } 2012 2013 // There are 2 ways that we can go here. If the session that supplied the params 2014 // is not null, then it is the new session that represents the new conference 2015 // if the merge succeeds. If it is null, the merge is happening on our current 2016 // ImsCallSession. 2017 if (session == null) { 2018 // Everything is already set up and we just need to make sure 2019 // that we properly respond to all the future callbacks about 2020 // this merge. 2021 if (DBG) { 2022 log("callSessionMergeStarted :: merging into existing ImsCallSession"); 2023 } 2024 return; 2025 } 2026 2027 if (DBG) { 2028 log("callSessionMergeStarted :: setting our transient ImsCallSession"); 2029 } 2030 2031 // If we are here, this means that we are creating a new conference and 2032 // we need to do some extra work around managing a new ImsCallSession that 2033 // could represent our new ImsCallSession if the merge succeeds. 2034 synchronized(ImsCall.this) { 2035 // Keep track of this session for future callbacks to indicate success 2036 // or failure of this merge. 2037 mTransientConferenceSession = newSession; 2038 mTransientConferenceSession.setListener(createCallSessionListener()); 2039 } 2040 2041 return; 2042 } 2043 2044 @Override 2045 public void callSessionMergeComplete(ImsCallSession session) { 2046 if (VDBG) { 2047 logv("callSessionMergeComplete ::"); 2048 } 2049 if (mUpdateRequest != UPDATE_MERGE) { 2050 // Odd, we are not in the midst of merging anything. 2051 log("callSessionMergeComplete :: no merge in progress."); 2052 return; 2053 } 2054 // Let's let our parent ImsCall now that we received notification that 2055 // the merge was completed so we can set up our internal state properly 2056 processMergeComplete(); 2057 } 2058 2059 @Override 2060 public void callSessionMergeFailed(ImsCallSession session, ImsReasonInfo reasonInfo) { 2061 if (VDBG) { 2062 String reasonInfoString = reasonInfo == null ? "null" : reasonInfo.toString(); 2063 logv("callSessionMergeFailed :: reasonInfo=" + reasonInfoString); 2064 } 2065 if (mUpdateRequest != UPDATE_MERGE && !isMerging()) { 2066 // Odd, we are not in the midst of merging anything. 2067 log("callSessionMergeFailed :: no merge in progress."); 2068 return; 2069 } 2070 // Let's tell our parent ImsCall that the merge has failed and we need to clean 2071 // up any temporary, transient state. 2072 processMergeFailed(reasonInfo); 2073 } 2074 2075 @Override 2076 public void callSessionUpdated(ImsCallSession session, ImsCallProfile profile) { 2077 if (isTransientConferenceSession(session)) { 2078 log("callSessionUpdated :: not supported for transient conference session=" + 2079 session); 2080 return; 2081 } 2082 2083 if (VDBG) { 2084 logv("callSessionUpdated :: profile=" + profile); 2085 } 2086 2087 ImsCall.Listener listener; 2088 2089 synchronized(ImsCall.this) { 2090 listener = mListener; 2091 mCallProfile = profile; 2092 mUpdateRequest = UPDATE_NONE; 2093 } 2094 2095 if (listener != null) { 2096 try { 2097 listener.onCallUpdated(ImsCall.this); 2098 } catch (Throwable t) { 2099 loge("callSessionUpdated :: ", t); 2100 } 2101 } 2102 } 2103 2104 @Override 2105 public void callSessionUpdateFailed(ImsCallSession session, ImsReasonInfo reasonInfo) { 2106 if (isTransientConferenceSession(session)) { 2107 log("callSessionUpdateFailed :: not supported for transient conference session=" + 2108 session); 2109 return; 2110 } 2111 2112 if (VDBG) { 2113 logv("callSessionUpdateFailed :: reasonInfo=" + reasonInfo); 2114 } 2115 2116 ImsCall.Listener listener; 2117 2118 synchronized(ImsCall.this) { 2119 listener = mListener; 2120 mUpdateRequest = UPDATE_NONE; 2121 } 2122 2123 if (listener != null) { 2124 try { 2125 listener.onCallUpdateFailed(ImsCall.this, reasonInfo); 2126 } catch (Throwable t) { 2127 loge("callSessionUpdateFailed :: ", t); 2128 } 2129 } 2130 } 2131 2132 @Override 2133 public void callSessionUpdateReceived(ImsCallSession session, ImsCallProfile profile) { 2134 if (isTransientConferenceSession(session)) { 2135 log("callSessionUpdateReceived :: not supported for transient conference " + 2136 "session=" + session); 2137 return; 2138 } 2139 2140 if (VDBG) { 2141 logv("callSessionUpdateReceived :: profile=" + profile); 2142 } 2143 2144 ImsCall.Listener listener; 2145 2146 synchronized(ImsCall.this) { 2147 listener = mListener; 2148 mProposedCallProfile = profile; 2149 mUpdateRequest = UPDATE_UNSPECIFIED; 2150 } 2151 2152 if (listener != null) { 2153 try { 2154 listener.onCallUpdateReceived(ImsCall.this); 2155 } catch (Throwable t) { 2156 loge("callSessionUpdateReceived :: ", t); 2157 } 2158 } 2159 } 2160 2161 @Override 2162 public void callSessionConferenceExtended(ImsCallSession session, ImsCallSession newSession, 2163 ImsCallProfile profile) { 2164 if (isTransientConferenceSession(session)) { 2165 log("callSessionConferenceExtended :: not supported for transient conference " + 2166 "session=" + session); 2167 return; 2168 } 2169 2170 if (VDBG) { 2171 logv("callSessionConferenceExtended :: newSession=" + newSession + ", profile=" 2172 + profile); 2173 } 2174 2175 ImsCall newCall = createNewCall(newSession, profile); 2176 2177 if (newCall == null) { 2178 callSessionConferenceExtendFailed(session, new ImsReasonInfo()); 2179 return; 2180 } 2181 2182 ImsCall.Listener listener; 2183 2184 synchronized(ImsCall.this) { 2185 listener = mListener; 2186 mUpdateRequest = UPDATE_NONE; 2187 } 2188 2189 if (listener != null) { 2190 try { 2191 listener.onCallConferenceExtended(ImsCall.this, newCall); 2192 } catch (Throwable t) { 2193 loge("callSessionConferenceExtended :: ", t); 2194 } 2195 } 2196 } 2197 2198 @Override 2199 public void callSessionConferenceExtendFailed(ImsCallSession session, 2200 ImsReasonInfo reasonInfo) { 2201 if (isTransientConferenceSession(session)) { 2202 log("callSessionConferenceExtendFailed :: not supported for transient " + 2203 "conference session=" + session); 2204 return; 2205 } 2206 2207 if (DBG) { 2208 log("callSessionConferenceExtendFailed :: imsCall=" + ImsCall.this + 2209 ", reasonInfo=" + reasonInfo); 2210 } 2211 2212 ImsCall.Listener listener; 2213 2214 synchronized(ImsCall.this) { 2215 listener = mListener; 2216 mUpdateRequest = UPDATE_NONE; 2217 } 2218 2219 if (listener != null) { 2220 try { 2221 listener.onCallConferenceExtendFailed(ImsCall.this, reasonInfo); 2222 } catch (Throwable t) { 2223 loge("callSessionConferenceExtendFailed :: ", t); 2224 } 2225 } 2226 } 2227 2228 @Override 2229 public void callSessionConferenceExtendReceived(ImsCallSession session, 2230 ImsCallSession newSession, ImsCallProfile profile) { 2231 if (isTransientConferenceSession(session)) { 2232 log("callSessionConferenceExtendReceived :: not supported for transient " + 2233 "conference session" + session); 2234 return; 2235 } 2236 2237 if (VDBG) { 2238 logv("callSessionConferenceExtendReceived :: newSession=" + newSession + 2239 ", profile=" + profile); 2240 } 2241 2242 ImsCall newCall = createNewCall(newSession, profile); 2243 2244 if (newCall == null) { 2245 // Should all the calls be terminated...??? 2246 return; 2247 } 2248 2249 ImsCall.Listener listener; 2250 2251 synchronized(ImsCall.this) { 2252 listener = mListener; 2253 } 2254 2255 if (listener != null) { 2256 try { 2257 listener.onCallConferenceExtendReceived(ImsCall.this, newCall); 2258 } catch (Throwable t) { 2259 loge("callSessionConferenceExtendReceived :: ", t); 2260 } 2261 } 2262 } 2263 2264 @Override 2265 public void callSessionInviteParticipantsRequestDelivered(ImsCallSession session) { 2266 if (isTransientConferenceSession(session)) { 2267 log("callSessionInviteParticipantsRequestDelivered :: not supported for " + 2268 "conference session=" + session); 2269 return; 2270 } 2271 2272 if (VDBG) { 2273 logv("callSessionInviteParticipantsRequestDelivered ::"); 2274 } 2275 2276 ImsCall.Listener listener; 2277 2278 synchronized(ImsCall.this) { 2279 listener = mListener; 2280 } 2281 2282 if (listener != null) { 2283 try { 2284 listener.onCallInviteParticipantsRequestDelivered(ImsCall.this); 2285 } catch (Throwable t) { 2286 loge("callSessionInviteParticipantsRequestDelivered :: ", t); 2287 } 2288 } 2289 } 2290 2291 @Override 2292 public void callSessionInviteParticipantsRequestFailed(ImsCallSession session, 2293 ImsReasonInfo reasonInfo) { 2294 if (isTransientConferenceSession(session)) { 2295 log("callSessionInviteParticipantsRequestFailed :: not supported for " + 2296 "conference session=" + session); 2297 return; 2298 } 2299 2300 if (VDBG) { 2301 logv("callSessionInviteParticipantsRequestFailed :: reasonInfo=" + reasonInfo); 2302 } 2303 2304 ImsCall.Listener listener; 2305 2306 synchronized(ImsCall.this) { 2307 listener = mListener; 2308 } 2309 2310 if (listener != null) { 2311 try { 2312 listener.onCallInviteParticipantsRequestFailed(ImsCall.this, reasonInfo); 2313 } catch (Throwable t) { 2314 loge("callSessionInviteParticipantsRequestFailed :: ", t); 2315 } 2316 } 2317 } 2318 2319 @Override 2320 public void callSessionRemoveParticipantsRequestDelivered(ImsCallSession session) { 2321 if (isTransientConferenceSession(session)) { 2322 log("callSessionRemoveParticipantsRequestDelivered :: not supported for " + 2323 "conference session=" + session); 2324 return; 2325 } 2326 2327 if (VDBG) { 2328 logv("callSessionRemoveParticipantsRequestDelivered ::"); 2329 } 2330 2331 ImsCall.Listener listener; 2332 2333 synchronized(ImsCall.this) { 2334 listener = mListener; 2335 } 2336 2337 if (listener != null) { 2338 try { 2339 listener.onCallRemoveParticipantsRequestDelivered(ImsCall.this); 2340 } catch (Throwable t) { 2341 loge("callSessionRemoveParticipantsRequestDelivered :: ", t); 2342 } 2343 } 2344 } 2345 2346 @Override 2347 public void callSessionRemoveParticipantsRequestFailed(ImsCallSession session, 2348 ImsReasonInfo reasonInfo) { 2349 if (isTransientConferenceSession(session)) { 2350 log("callSessionRemoveParticipantsRequestFailed :: not supported for " + 2351 "conference session=" + session); 2352 return; 2353 } 2354 2355 if (VDBG) { 2356 logv("callSessionRemoveParticipantsRequestFailed :: reasonInfo=" + reasonInfo); 2357 } 2358 2359 ImsCall.Listener listener; 2360 2361 synchronized(ImsCall.this) { 2362 listener = mListener; 2363 } 2364 2365 if (listener != null) { 2366 try { 2367 listener.onCallRemoveParticipantsRequestFailed(ImsCall.this, reasonInfo); 2368 } catch (Throwable t) { 2369 loge("callSessionRemoveParticipantsRequestFailed :: ", t); 2370 } 2371 } 2372 } 2373 2374 @Override 2375 public void callSessionConferenceStateUpdated(ImsCallSession session, 2376 ImsConferenceState state) { 2377 if (isTransientConferenceSession(session)) { 2378 log("callSessionConferenceStateUpdated :: not supported for transient " + 2379 "conference session=" + session); 2380 return; 2381 } 2382 2383 if (VDBG) { 2384 logv("callSessionConferenceStateUpdated :: state=" + state); 2385 } 2386 2387 conferenceStateUpdated(state); 2388 } 2389 2390 @Override 2391 public void callSessionUssdMessageReceived(ImsCallSession session, int mode, 2392 String ussdMessage) { 2393 if (isTransientConferenceSession(session)) { 2394 log("callSessionUssdMessageReceived :: not supported for transient " + 2395 "conference session=" + session); 2396 return; 2397 } 2398 2399 if (VDBG) { 2400 logv("callSessionUssdMessageReceived :: mode=" + mode + ", ussdMessage=" + 2401 ussdMessage); 2402 } 2403 2404 ImsCall.Listener listener; 2405 2406 synchronized(ImsCall.this) { 2407 listener = mListener; 2408 } 2409 2410 if (listener != null) { 2411 try { 2412 listener.onCallUssdMessageReceived(ImsCall.this, mode, ussdMessage); 2413 } catch (Throwable t) { 2414 loge("callSessionUssdMessageReceived :: ", t); 2415 } 2416 } 2417 } 2418 2419 @Override 2420 public void callSessionTtyModeReceived(ImsCallSession session, int mode) { 2421 if (VDBG) { 2422 logv("callSessionTtyModeReceived :: mode=" + mode); 2423 } 2424 2425 int settingsTtyMode = Settings.Secure.getInt( 2426 mContext.getContentResolver(), 2427 Settings.Secure.PREFERRED_TTY_MODE, 2428 TelecomManager.TTY_MODE_OFF); 2429 if (settingsTtyMode == TelecomManager.TTY_MODE_OFF) { 2430 // Notify the user that TTY mode changed in the far device 2431 int resId = 0; 2432 switch (mode) { 2433 case TelecomManager.TTY_MODE_FULL: 2434 resId = com.android.internal.R.string.peerTtyModeFull; 2435 break; 2436 case TelecomManager.TTY_MODE_HCO: 2437 resId = com.android.internal.R.string.peerTtyModeHco; 2438 break; 2439 case TelecomManager.TTY_MODE_VCO: 2440 resId = com.android.internal.R.string.peerTtyModeVco; 2441 break; 2442 case TelecomManager.TTY_MODE_OFF: 2443 resId = com.android.internal.R.string.peerTtyModeOff; 2444 break; 2445 } 2446 if (resId != 0) { 2447 Toast.makeText(mContext, resId, Toast.LENGTH_SHORT).show(); 2448 } 2449 } 2450 } 2451 } 2452 2453 /** 2454 * Report a new conference state to the current {@link ImsCall} and inform listeners of the 2455 * change. Marked as {@code VisibleForTesting} so that the 2456 * {@code com.android.internal.telephony.TelephonyTester} class can inject a test conference 2457 * event package into a regular ongoing IMS call. 2458 * 2459 * @param state The {@link ImsConferenceState}. 2460 */ 2461 @VisibleForTesting 2462 public void conferenceStateUpdated(ImsConferenceState state) { 2463 Listener listener; 2464 2465 synchronized(this) { 2466 notifyConferenceStateUpdated(state); 2467 listener = mListener; 2468 } 2469 2470 if (listener != null) { 2471 try { 2472 listener.onCallConferenceStateUpdated(this, state); 2473 } catch (Throwable t) { 2474 loge("callSessionConferenceStateUpdated :: ", t); 2475 } 2476 } 2477 } 2478 2479 /** 2480 * Provides a human-readable string representation of an update request. 2481 * 2482 * @param updateRequest The update request. 2483 * @return The string representation. 2484 */ 2485 private String updateRequestToString(int updateRequest) { 2486 switch (updateRequest) { 2487 case UPDATE_NONE: 2488 return "NONE"; 2489 case UPDATE_HOLD: 2490 return "HOLD"; 2491 case UPDATE_HOLD_MERGE: 2492 return "HOLD_MERGE"; 2493 case UPDATE_RESUME: 2494 return "RESUME"; 2495 case UPDATE_MERGE: 2496 return "MERGE"; 2497 case UPDATE_EXTEND_TO_CONFERENCE: 2498 return "EXTEND_TO_CONFERENCE"; 2499 case UPDATE_UNSPECIFIED: 2500 return "UNSPECIFIED"; 2501 default: 2502 return "UNKNOWN"; 2503 } 2504 } 2505 2506 /** 2507 * Clears the merge peer for this call, ensuring that the peer's connection to this call is also 2508 * severed at the same time. 2509 */ 2510 private void clearMergePeer() { 2511 if (mMergeHost != null) { 2512 mMergeHost.mMergePeer = null; 2513 mMergeHost = null; 2514 } 2515 2516 if (mMergePeer != null) { 2517 mMergePeer.mMergeHost = null; 2518 mMergePeer = null; 2519 } 2520 } 2521 2522 /** 2523 * Sets the merge peer for the current call. The merge peer is the background call that will be 2524 * merged into this call. On the merge peer, sets the merge host to be this call. 2525 * 2526 * @param mergePeer The peer call to be merged into this one. 2527 */ 2528 private void setMergePeer(ImsCall mergePeer) { 2529 mMergePeer = mergePeer; 2530 mMergeHost = null; 2531 2532 mergePeer.mMergeHost = ImsCall.this; 2533 mergePeer.mMergePeer = null; 2534 } 2535 2536 /** 2537 * Sets the merge hody for the current call. The merge host is the foreground call this call 2538 * will be merged into. On the merge host, sets the merge peer to be this call. 2539 * 2540 * @param mergeHost The merge host this call will be merged into. 2541 */ 2542 public void setMergeHost(ImsCall mergeHost) { 2543 mMergeHost = mergeHost; 2544 mMergePeer = null; 2545 2546 mergeHost.mMergeHost = null; 2547 mergeHost.mMergePeer = ImsCall.this; 2548 } 2549 2550 /** 2551 * Determines if the current call is in the process of merging with another call or conference. 2552 * 2553 * @return {@code true} if in the process of merging. 2554 */ 2555 private boolean isMerging() { 2556 return mMergePeer != null || mMergeHost != null; 2557 } 2558 2559 /** 2560 * Determines if the current call is the host of the merge. 2561 * 2562 * @return {@code true} if the call is the merge host. 2563 */ 2564 private boolean isMergeHost() { 2565 return mMergePeer != null && mMergeHost == null; 2566 } 2567 2568 /** 2569 * Determines if the current call is the peer of the merge. 2570 * 2571 * @return {@code true} if the call is the merge peer. 2572 */ 2573 private boolean isMergePeer() { 2574 return mMergePeer == null && mMergeHost != null; 2575 } 2576 2577 /** 2578 * Provides a string representation of the {@link ImsCall}. Primarily intended for use in log 2579 * statements. 2580 * 2581 * @return String representation of call. 2582 */ 2583 @Override 2584 public String toString() { 2585 StringBuilder sb = new StringBuilder(); 2586 sb.append("[ImsCall objId:"); 2587 sb.append(System.identityHashCode(this)); 2588 sb.append(" onHold:"); 2589 sb.append(isOnHold() ? "Y" : "N"); 2590 sb.append(" mute:"); 2591 sb.append(isMuted() ? "Y" : "N"); 2592 sb.append(" updateRequest:"); 2593 sb.append(updateRequestToString(mUpdateRequest)); 2594 sb.append(" multiParty:"); 2595 sb.append(isMultiparty() ? "Y" : "N"); 2596 sb.append(" session:"); 2597 sb.append(mSession); 2598 sb.append(" transientSession:"); 2599 sb.append(mTransientConferenceSession); 2600 sb.append("]"); 2601 return sb.toString(); 2602 } 2603} 2604