Implement apis to support SRVCC

Bug: 217654931
Test: atest
Change-Id: I078f7ceee35a31d198f6b881d3fe2e090b33fdea
(cherry picked from commit 0cc9bbcbe1ef7bf42fb3e749a3c4ab9c1558a879)

2 files changed, 86 insertions, 0 deletions

diff --git a/src/java/com/android/ims/ImsManager.java b/src/java/com/android/ims/ImsManager.java
index 18bbd3e1..f016ff63 100644
--- a/src/java/com/android/ims/ImsManager.java
+++ b/src/java/com/android/ims/ImsManager.java
@@ -52,6 +52,7 @@ import android.telephony.ims.ImsService;
 import android.telephony.ims.ProvisioningManager;
 import android.telephony.ims.RegistrationManager;
 import android.telephony.ims.RtpHeaderExtensionType;
+import android.telephony.ims.SrvccCall;
 import android.telephony.ims.aidl.IImsCapabilityCallback;
 import android.telephony.ims.aidl.IImsConfig;
 import android.telephony.ims.aidl.IImsConfigCallback;
@@ -60,6 +61,7 @@ import android.telephony.ims.aidl.IImsRegistration;
 import android.telephony.ims.aidl.IImsRegistrationCallback;
 import android.telephony.ims.aidl.IImsSmsListener;
 import android.telephony.ims.aidl.ISipTransport;
+import android.telephony.ims.aidl.ISrvccStartedCallback;
 import android.telephony.ims.feature.CapabilityChangeRequest;
 import android.telephony.ims.feature.ImsFeature;
 import android.telephony.ims.feature.MmTelFeature;
@@ -2727,6 +2729,60 @@ public class ImsManager implements FeatureUpdates {
         }
     }
 
+    /**
+     * Notifies SRVCC started.
+     * @param cb The callback to receive the list of {@link SrvccCall}.
+     */
+    public void notifySrvccStarted(ISrvccStartedCallback cb)
+            throws ImsException {
+        MmTelFeatureConnection c = getOrThrowExceptionIfServiceUnavailable();
+        try {
+            c.notifySrvccStarted(cb);
+        } catch (RemoteException e) {
+            throw new ImsException("notifySrvccStarted", e,
+                    ImsReasonInfo.CODE_LOCAL_IMS_SERVICE_DOWN);
+        }
+    }
+
+    /**
+     * Notifies SRVCC is completed, IMS service will hang up all calls.
+     */
+    public void notifySrvccCompleted() throws ImsException {
+        MmTelFeatureConnection c = getOrThrowExceptionIfServiceUnavailable();
+        try {
+            c.notifySrvccCompleted();
+        } catch (RemoteException e) {
+            throw new ImsException("notifySrvccCompleted", e,
+                    ImsReasonInfo.CODE_LOCAL_IMS_SERVICE_DOWN);
+        }
+    }
+
+    /**
+     * Notifies SRVCC failed. IMS service will recover and continue calls over IMS.
+     */
+    public void notifySrvccFailed() throws ImsException {
+        MmTelFeatureConnection c = getOrThrowExceptionIfServiceUnavailable();
+        try {
+            c.notifySrvccFailed();
+        } catch (RemoteException e) {
+            throw new ImsException("notifySrvccFailed", e,
+                    ImsReasonInfo.CODE_LOCAL_IMS_SERVICE_DOWN);
+        }
+    }
+
+    /**
+     * Notifies SRVCC is canceled. IMS service will recover and continue calls over IMS.
+     */
+    public void notifySrvccCanceled() throws ImsException {
+        MmTelFeatureConnection c = getOrThrowExceptionIfServiceUnavailable();
+        try {
+            c.notifySrvccCanceled();
+        } catch (RemoteException e) {
+            throw new ImsException("notifySrvccCanceled", e,
+                    ImsReasonInfo.CODE_LOCAL_IMS_SERVICE_DOWN);
+        }
+    }
+
     public int getImsServiceState() throws ImsException {
         MmTelFeatureConnection c = getOrThrowExceptionIfServiceUnavailable();
         return c.getFeatureState();
diff --git a/src/java/com/android/ims/MmTelFeatureConnection.java b/src/java/com/android/ims/MmTelFeatureConnection.java
index 5ea5e420..8bafc9db 100644
--- a/src/java/com/android/ims/MmTelFeatureConnection.java
+++ b/src/java/com/android/ims/MmTelFeatureConnection.java
@@ -33,6 +33,7 @@ import android.telephony.ims.aidl.IImsRegistration;
 import android.telephony.ims.aidl.IImsRegistrationCallback;
 import android.telephony.ims.aidl.IImsSmsListener;
 import android.telephony.ims.aidl.ISipTransport;
+import android.telephony.ims.aidl.ISrvccStartedCallback;
 import android.telephony.ims.feature.CapabilityChangeRequest;
 import android.telephony.ims.feature.MmTelFeature;
 import android.telephony.ims.stub.ImsEcbmImplBase;
@@ -541,6 +542,35 @@ public class MmTelFeatureConnection extends FeatureConnection {
         }
     }
 
+    public void notifySrvccStarted(ISrvccStartedCallback cb)
+            throws RemoteException {
+        synchronized (mLock) {
+            checkServiceIsReady();
+            getServiceInterface(mBinder).notifySrvccStarted(cb);
+        }
+    }
+
+    public void notifySrvccCompleted() throws RemoteException {
+        synchronized (mLock) {
+            checkServiceIsReady();
+            getServiceInterface(mBinder).notifySrvccCompleted();
+        }
+    }
+
+    public void notifySrvccFailed() throws RemoteException {
+        synchronized (mLock) {
+            checkServiceIsReady();
+            getServiceInterface(mBinder).notifySrvccFailed();
+        }
+    }
+
+    public void notifySrvccCanceled() throws RemoteException {
+        synchronized (mLock) {
+            checkServiceIsReady();
+            getServiceInterface(mBinder).notifySrvccCanceled();
+        }
+    }
+
     public @MmTelFeature.ProcessCallResult int shouldProcessCall(boolean isEmergency,
             String[] numbers) throws RemoteException {
         if (isEmergency && !isEmergencyMmTelAvailable()) {