Receiving side Call handover API implementation.

Bug: 65415068
Test: Manual

Design doc:
https://docs.google.com/document/d/1qY3oAzjff_4A1ttYb_CGrE_OwTRmXMG_KGsIuPT1ey8/edit#Bug:

Change-Id: Ic0c4af19098252389648007628affc19a44f89dd

1 files changed, 60 insertions, 3 deletions

diff --git a/telecomm/java/android/telecom/ConnectionService.java b/telecomm/java/android/telecom/ConnectionService.java
index 70016157960a..dec7b762459d 100644
--- a/telecomm/java/android/telecom/ConnectionService.java
+++ b/telecomm/java/android/telecom/ConnectionService.java
@@ -21,6 +21,7 @@ import android.app.Service;
 import android.content.ComponentName;
 import android.content.Intent;
 import android.net.Uri;
+import android.os.Build;
 import android.os.Bundle;
 import android.os.Handler;
 import android.os.IBinder;
@@ -145,6 +146,7 @@ public abstract class ConnectionService extends Service {
     private static final String SESSION_RTT_UPGRADE_RESPONSE = "CS.rTRUR";
     private static final String SESSION_CONNECTION_SERVICE_FOCUS_LOST = "CS.cSFL";
     private static final String SESSION_CONNECTION_SERVICE_FOCUS_GAINED = "CS.cSFG";
+    private static final String SESSION_HANDOVER_FAILED = "CS.haF";
 
     private static final int MSG_ADD_CONNECTION_SERVICE_ADAPTER = 1;
     private static final int MSG_CREATE_CONNECTION = 2;
@@ -176,6 +178,7 @@ public abstract class ConnectionService extends Service {
     private static final int MSG_CREATE_CONNECTION_COMPLETE = 29;
     private static final int MSG_CONNECTION_SERVICE_FOCUS_LOST = 30;
     private static final int MSG_CONNECTION_SERVICE_FOCUS_GAINED = 31;
+    private static final int MSG_HANDOVER_FAILED = 32;
 
     private static Connection sNullConnection;
 
@@ -279,6 +282,22 @@ public abstract class ConnectionService extends Service {
         }
 
         @Override
+        public void handoverFailed(String callId, ConnectionRequest request, int reason,
+                                   Session.Info sessionInfo) {
+            Log.startSession(sessionInfo, SESSION_HANDOVER_FAILED);
+            try {
+                SomeArgs args = SomeArgs.obtain();
+                args.arg1 = callId;
+                args.arg2 = request;
+                args.arg3 = Log.createSubsession();
+                args.arg4 = reason;
+                mHandler.obtainMessage(MSG_HANDOVER_FAILED, args).sendToTarget();
+            } finally {
+                Log.endSession();
+            }
+        }
+
+        @Override
         public void abort(String callId, Session.Info sessionInfo) {
             Log.startSession(sessionInfo, SESSION_ABORT);
             try {
@@ -747,6 +766,36 @@ public abstract class ConnectionService extends Service {
                     }
                     break;
                 }
+                case MSG_HANDOVER_FAILED: {
+                    SomeArgs args = (SomeArgs) msg.obj;
+                    Log.continueSession((Session) args.arg3, SESSION_HANDLER +
+                            SESSION_HANDOVER_FAILED);
+                    try {
+                        final String id = (String) args.arg1;
+                        final ConnectionRequest request = (ConnectionRequest) args.arg2;
+                        final int reason = (int) args.arg4;
+                        if (!mAreAccountsInitialized) {
+                            Log.d(this, "Enqueueing pre-init request %s", id);
+                            mPreInitializationConnectionRequests.add(
+                                    new android.telecom.Logging.Runnable(
+                                            SESSION_HANDLER
+                                                    + SESSION_HANDOVER_FAILED + ".pICR",
+                                            null /*lock*/) {
+                                        @Override
+                                        public void loggedRun() {
+                                            handoverFailed(id, request, reason);
+                                        }
+                                    }.prepare());
+                        } else {
+                            Log.i(this, "createConnectionFailed %s", id);
+                            handoverFailed(id, request, reason);
+                        }
+                    } finally {
+                        args.recycle();
+                        Log.endSession();
+                    }
+                    break;
+                }
                 case MSG_ABORT: {
                     SomeArgs args = (SomeArgs) msg.obj;
                     Log.continueSession((Session) args.arg2, SESSION_HANDLER + SESSION_ABORT);
@@ -1402,12 +1451,13 @@ public abstract class ConnectionService extends Service {
                 isUnknown);
 
         Connection connection = null;
-        if (request.getExtras() != null && request.getExtras().getBoolean(
-                TelecomManager.EXTRA_IS_HANDOVER,false)) {
+        if (getApplicationContext().getApplicationInfo().targetSdkVersion >
+                Build.VERSION_CODES.O_MR1 && request.getExtras() != null &&
+                request.getExtras().getBoolean(TelecomManager.EXTRA_IS_HANDOVER,false)) {
             if (!isIncoming) {
                 connection = onCreateOutgoingHandoverConnection(callManagerAccount, request);
             } else {
-                // Todo: Call onCreateIncommingHandoverConnection()
+                connection = onCreateIncomingHandoverConnection(callManagerAccount, request);
             }
         } else {
             connection = isUnknown ? onCreateUnknownConnection(callManagerAccount, request)
@@ -1482,6 +1532,13 @@ public abstract class ConnectionService extends Service {
         }
     }
 
+    private void handoverFailed(final String callId, final ConnectionRequest request,
+                                        int reason) {
+
+        Log.i(this, "handoverFailed %s", callId);
+        onHandoverFailed(request, reason);
+    }
+
     /**
      * Called by Telecom when the creation of a new Connection has completed and it is now added
      * to Telecom.