Merge "Modify constructor of NetworkRegistrationState"

am: 61c09d128b

Change-Id: I0b68c4cec94e5bd357871c864e42fbc3f44c39d0

telephony/java/android/telephony/DataSpecificRegistrationStates.java

@@ -33,17 +33,31 @@ public class DataSpecificRegistrationStates implements Parcelable{
      */
     public final boolean isNrAvailable;
 
+    /**
+     * Indicates that if E-UTRA-NR Dual Connectivity (EN-DC) is supported by the primary serving
+     * cell.
+     *
+     * True the primary serving cell is LTE cell and the plmn-InfoList-r15 is present in SIB2 and
+     * at least one bit in this list is true, otherwise this value should be false.
+     *
+     * Reference: 3GPP TS 36.331 v15.2.2 6.3.1 System information blocks.
+     */
+    public final boolean isEnDcAvailable;
+
     DataSpecificRegistrationStates(
-            int maxDataCalls, boolean isDcNrRestricted, boolean isNrAvailable) {
+            int maxDataCalls, boolean isDcNrRestricted, boolean isNrAvailable,
+            boolean isEnDcAvailable) {
         this.maxDataCalls = maxDataCalls;
         this.isDcNrRestricted = isDcNrRestricted;
         this.isNrAvailable = isNrAvailable;
+        this.isEnDcAvailable = isEnDcAvailable;
     }
 
     private DataSpecificRegistrationStates(Parcel source) {
         maxDataCalls = source.readInt();
         isDcNrRestricted = source.readBoolean();
         isNrAvailable = source.readBoolean();
+        isEnDcAvailable = source.readBoolean();
     }
 
     @Override
@@ -51,6 +65,7 @@ public class DataSpecificRegistrationStates implements Parcelable{
         dest.writeInt(maxDataCalls);
         dest.writeBoolean(isDcNrRestricted);
         dest.writeBoolean(isNrAvailable);
+        dest.writeBoolean(isEnDcAvailable);
     }
 
     @Override
@@ -65,13 +80,14 @@ public class DataSpecificRegistrationStates implements Parcelable{
                 .append(" maxDataCalls = " + maxDataCalls)
                 .append(" isDcNrRestricted = " + isDcNrRestricted)
                 .append(" isNrAvailable = " + isNrAvailable)
+                .append(" isEnDcAvailable = " + isEnDcAvailable)
                 .append(" }")
                 .toString();
     }
 
     @Override
     public int hashCode() {
-        return Objects.hash(maxDataCalls, isDcNrRestricted, isNrAvailable);
+        return Objects.hash(maxDataCalls, isDcNrRestricted, isNrAvailable, isEnDcAvailable);
     }
 
     @Override
@@ -83,7 +99,8 @@ public class DataSpecificRegistrationStates implements Parcelable{
         DataSpecificRegistrationStates other = (DataSpecificRegistrationStates) o;
         return this.maxDataCalls == other.maxDataCalls
                 && this.isDcNrRestricted == other.isDcNrRestricted
-                && this.isNrAvailable == other.isNrAvailable;
+                && this.isNrAvailable == other.isNrAvailable
+                && this.isEnDcAvailable == other.isEnDcAvailable;
     }
 
     public static final Parcelable.Creator<DataSpecificRegistrationStates> CREATOR =

telephony/java/android/telephony/NetworkRegistrationState.java

@@ -219,12 +219,13 @@ public class NetworkRegistrationState implements Parcelable {
     public NetworkRegistrationState(int domain, int transportType, int regState,
             int accessNetworkTechnology, int rejectCause, boolean emergencyOnly,
             int[] availableServices, @Nullable CellIdentity cellIdentity, int maxDataCalls,
-            boolean isDcNrRestricted, boolean isNrAvailable) {
+            boolean isDcNrRestricted, boolean isNrAvailable, boolean isEndcAvailable) {
         this(domain, transportType, regState, accessNetworkTechnology, rejectCause, emergencyOnly,
                 availableServices, cellIdentity);
 
         mDataSpecificStates = new DataSpecificRegistrationStates(
-                maxDataCalls, isDcNrRestricted, isNrAvailable);
+                maxDataCalls, isDcNrRestricted, isNrAvailable, isEndcAvailable);
+        updateNrStatus(mDataSpecificStates);
     }
 
     protected NetworkRegistrationState(Parcel source) {
@@ -448,6 +449,34 @@ public class NetworkRegistrationState implements Parcelable {
         dest.writeInt(mNrStatus);
     }
 
+    /**
+     * Use the 5G NR Non-Standalone indicators from the network registration state to update the
+     * NR status. There are 3 indicators in the network registration state:
+     *
+     * 1. if E-UTRA-NR Dual Connectivity (EN-DC) is supported by the primary serving cell.
+     * 2. if NR is supported by the selected PLMN.
+     * 3. if the use of dual connectivity with NR is restricted.
+     *
+     * The network has 5G NR capability if E-UTRA-NR Dual Connectivity is supported by the primary
+     * serving cell.
+     *
+     * The use of NR 5G is not restricted If the network has 5G NR capability and both the use of
+     * DCNR is not restricted and NR is supported by the selected PLMN. Otherwise the use of 5G
+     * NR is restricted.
+     *
+     * @param state data specific registration state contains the 5G NR indicators.
+     */
+    private void updateNrStatus(DataSpecificRegistrationStates state) {
+        mNrStatus = NR_STATUS_NONE;
+        if (state.isEnDcAvailable) {
+            if (!state.isDcNrRestricted && state.isNrAvailable) {
+                mNrStatus = NR_STATUS_NOT_RESTRICTED;
+            } else {
+                mNrStatus = NR_STATUS_RESTRICTED;
+            }
+        }
+    }
+
     public static final Parcelable.Creator<NetworkRegistrationState> CREATOR =
             new Parcelable.Creator<NetworkRegistrationState>() {
         @Override