Add support for LTE VoPS info

 LTE VoPS support contains:
    isVopsSupported: This indicates if camped network support VoLTE services.
    isEmcBearerSupported: This indicates if camped network support VoLTE emergency bearers.

Bug:112194535
Test: atest
Change-Id: I6ab186d0423b857daaf579a75a852b230783eb39

5 files changed, 186 insertions, 6 deletions

diff --git a/api/system-current.txt b/api/system-current.txt
index 189611d2040b..70522cbe6927 100644
--- a/api/system-current.txt
+++ b/api/system-current.txt
@@ -5138,6 +5138,18 @@ package android.telephony {
     field public static final int WIFI_LOST = 59; // 0x3b
   }
 
+  public final class LteVopsSupportInfo implements android.os.Parcelable {
+    ctor public LteVopsSupportInfo(int, int);
+    method public int describeContents();
+    method public int getEmcBearerSupport();
+    method public int getVopsSupport();
+    method public void writeToParcel(android.os.Parcel, int);
+    field public static final android.os.Parcelable.Creator<android.telephony.LteVopsSupportInfo> CREATOR;
+    field public static final int LTE_STATUS_NOT_AVAILABLE = 1; // 0x1
+    field public static final int LTE_STATUS_NOT_SUPPORTED = 3; // 0x3
+    field public static final int LTE_STATUS_SUPPORTED = 2; // 0x2
+  }
+
   public class MbmsDownloadSession implements java.lang.AutoCloseable {
     field public static final java.lang.String MBMS_DOWNLOAD_SERVICE_ACTION = "android.telephony.action.EmbmsDownload";
   }
diff --git a/telephony/java/android/telephony/DataSpecificRegistrationStates.java b/telephony/java/android/telephony/DataSpecificRegistrationStates.java
index 5d809d0b7c36..d6a8065feabe 100644
--- a/telephony/java/android/telephony/DataSpecificRegistrationStates.java
+++ b/telephony/java/android/telephony/DataSpecificRegistrationStates.java
@@ -44,13 +44,19 @@ public class DataSpecificRegistrationStates implements Parcelable{
      */
     public final boolean isEnDcAvailable;
 
+    /**
+     * Provides network support info for LTE VoPS and LTE Emergency bearer support
+     */
+    public final LteVopsSupportInfo lteVopsSupportInfo;
+
     DataSpecificRegistrationStates(
             int maxDataCalls, boolean isDcNrRestricted, boolean isNrAvailable,
-            boolean isEnDcAvailable) {
+            boolean isEnDcAvailable, LteVopsSupportInfo lteVops) {
         this.maxDataCalls = maxDataCalls;
         this.isDcNrRestricted = isDcNrRestricted;
         this.isNrAvailable = isNrAvailable;
         this.isEnDcAvailable = isEnDcAvailable;
+        this.lteVopsSupportInfo = lteVops;
     }
 
     private DataSpecificRegistrationStates(Parcel source) {
@@ -58,6 +64,7 @@ public class DataSpecificRegistrationStates implements Parcelable{
         isDcNrRestricted = source.readBoolean();
         isNrAvailable = source.readBoolean();
         isEnDcAvailable = source.readBoolean();
+        lteVopsSupportInfo = LteVopsSupportInfo.CREATOR.createFromParcel(source);
     }
 
     @Override
@@ -66,6 +73,7 @@ public class DataSpecificRegistrationStates implements Parcelable{
         dest.writeBoolean(isDcNrRestricted);
         dest.writeBoolean(isNrAvailable);
         dest.writeBoolean(isEnDcAvailable);
+        lteVopsSupportInfo.writeToParcel(dest, flags);
     }
 
     @Override
@@ -81,13 +89,15 @@ public class DataSpecificRegistrationStates implements Parcelable{
                 .append(" isDcNrRestricted = " + isDcNrRestricted)
                 .append(" isNrAvailable = " + isNrAvailable)
                 .append(" isEnDcAvailable = " + isEnDcAvailable)
+                .append(lteVopsSupportInfo.toString())
                 .append(" }")
                 .toString();
     }
 
     @Override
     public int hashCode() {
-        return Objects.hash(maxDataCalls, isDcNrRestricted, isNrAvailable, isEnDcAvailable);
+        return Objects.hash(maxDataCalls, isDcNrRestricted, isNrAvailable, isEnDcAvailable,
+            lteVopsSupportInfo);
     }
 
     @Override
@@ -100,7 +110,8 @@ public class DataSpecificRegistrationStates implements Parcelable{
         return this.maxDataCalls == other.maxDataCalls
                 && this.isDcNrRestricted == other.isDcNrRestricted
                 && this.isNrAvailable == other.isNrAvailable
-                && this.isEnDcAvailable == other.isEnDcAvailable;
+                && this.isEnDcAvailable == other.isEnDcAvailable
+                && this.lteVopsSupportInfo.equals(other.lteVopsSupportInfo);
     }
 
     public static final Parcelable.Creator<DataSpecificRegistrationStates> CREATOR =
@@ -115,4 +126,4 @@ public class DataSpecificRegistrationStates implements Parcelable{
                     return new DataSpecificRegistrationStates[size];
                 }
             };
-}
\ No newline at end of file
+}
diff --git a/telephony/java/android/telephony/LteVopsSupportInfo.aidl b/telephony/java/android/telephony/LteVopsSupportInfo.aidl
new file mode 100644
index 000000000000..598459853d1c
--- /dev/null
+++ b/telephony/java/android/telephony/LteVopsSupportInfo.aidl
@@ -0,0 +1,19 @@
+/*
+ * Copyright 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.telephony;
+
+parcelable LteVopsSupportInfo;
diff --git a/telephony/java/android/telephony/LteVopsSupportInfo.java b/telephony/java/android/telephony/LteVopsSupportInfo.java
new file mode 100644
index 000000000000..0ae85c0dfa6c
--- /dev/null
+++ b/telephony/java/android/telephony/LteVopsSupportInfo.java
@@ -0,0 +1,137 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.telephony;
+
+import android.annotation.IntDef;
+import android.annotation.SystemApi;
+import android.os.Parcel;
+import android.os.Parcelable;
+
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.util.Objects;
+
+/**
+ * Class stores information related to LTE network VoPS support
+ * @hide
+ */
+@SystemApi
+public final class LteVopsSupportInfo implements Parcelable {
+
+    /**@hide*/
+    @Retention(RetentionPolicy.SOURCE)
+    @IntDef(
+            value = {LTE_STATUS_NOT_AVAILABLE, LTE_STATUS_SUPPORTED,
+                    LTE_STATUS_NOT_SUPPORTED}, prefix = "LTE_STATUS_")
+    public @interface LteVopsStatus {}
+    /**
+     * Indicates information not available from modem.
+     */
+    public static final int LTE_STATUS_NOT_AVAILABLE = 1;
+
+    /**
+     * Indicates network support the feature.
+     */
+    public static final int LTE_STATUS_SUPPORTED = 2;
+
+    /**
+     * Indicates network does not support the feature.
+     */
+    public static final int LTE_STATUS_NOT_SUPPORTED = 3;
+
+    @LteVopsStatus
+    private final int mVopsSupport;
+    @LteVopsStatus
+    private final int mEmcBearerSupport;
+
+    public LteVopsSupportInfo(@LteVopsStatus int vops, @LteVopsStatus int emergency) {
+        mVopsSupport = vops;
+        mEmcBearerSupport = emergency;
+    }
+
+    /**
+     * Provides the LTE VoPS support capability as described in:
+     * 3GPP 24.301 EPS network feature support -> IMS VoPS
+     */
+    public @LteVopsStatus int getVopsSupport() {
+        return mVopsSupport;
+    }
+
+    /**
+     * Provides the LTE Emergency bearer support capability as described in:
+     *    3GPP 24.301 EPS network feature support -> EMC BS
+     *    25.331 LTE RRC SIB1 : ims-EmergencySupport-r9
+     */
+    public @LteVopsStatus int getEmcBearerSupport() {
+        return mEmcBearerSupport;
+    }
+
+    @Override
+    public int describeContents() {
+        return 0;
+    }
+
+    @Override
+    public void writeToParcel(Parcel out, int flags) {
+        out.writeInt(mVopsSupport);
+        out.writeInt(mEmcBearerSupport);
+    }
+
+    @Override
+    public boolean equals(Object o) {
+        if (o == null || !(o instanceof LteVopsSupportInfo)) {
+            return false;
+        }
+        if (this == o) return true;
+        LteVopsSupportInfo other = (LteVopsSupportInfo) o;
+        return mVopsSupport == other.mVopsSupport
+            && mEmcBearerSupport == other.mEmcBearerSupport;
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(mVopsSupport, mEmcBearerSupport);
+    }
+
+    /**
+     * @return string representation.
+     */
+    @Override
+    public String toString() {
+        return ("LteVopsSupportInfo : "
+                + " mVopsSupport = " + mVopsSupport
+                + " mEmcBearerSupport = " + mEmcBearerSupport);
+    }
+
+    public static final Creator<LteVopsSupportInfo> CREATOR =
+            new Creator<LteVopsSupportInfo>() {
+        @Override
+        public LteVopsSupportInfo createFromParcel(Parcel in) {
+            return new LteVopsSupportInfo(in);
+        }
+
+        @Override
+        public LteVopsSupportInfo[] newArray(int size) {
+            return new LteVopsSupportInfo[size];
+        }
+    };
+
+    private LteVopsSupportInfo(Parcel in) {
+        mVopsSupport = in.readInt();
+        mEmcBearerSupport = in.readInt();
+    }
+}
diff --git a/telephony/java/android/telephony/NetworkRegistrationState.java b/telephony/java/android/telephony/NetworkRegistrationState.java
index b00665e26ff2..ceb76b57ae0c 100644
--- a/telephony/java/android/telephony/NetworkRegistrationState.java
+++ b/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 isEndcAvailable) {
+            boolean isDcNrRestricted, boolean isNrAvailable, boolean isEndcAvailable,
+            LteVopsSupportInfo lteVopsSupportInfo) {
         this(domain, transportType, regState, accessNetworkTechnology, rejectCause, emergencyOnly,
                 availableServices, cellIdentity);
 
         mDataSpecificStates = new DataSpecificRegistrationStates(
-                maxDataCalls, isDcNrRestricted, isNrAvailable, isEndcAvailable);
+                maxDataCalls, isDcNrRestricted, isNrAvailable, isEndcAvailable, lteVopsSupportInfo);
         updateNrStatus(mDataSpecificStates);
     }