From 65d61c508af4878134e1abdb03a531a4f1b1686f Mon Sep 17 00:00:00 2001
From: Hunsuk Choi <forestchoi@google.com>
Date: Thu, 23 Feb 2023 07:56:27 +0000
Subject: [PATCH] Add useEmergencyPdn to onWlanSelected and onDomainSelected

If IMS PDN is used for emergency services,
don't try to change the preferred transport type of ePDN.

Bug: 270333880
Test: atest EmergencyCallDomainSelectorTest
Change-Id: Ia91839b037295df35c8adc553a060b080bff87c1
---
 .../java/android/telephony/DomainSelectionService.java   | 9 +++++----
 .../android/telephony/TransportSelectorCallback.java     | 4 +++-
 .../java/android/telephony/WwanSelectorCallback.java     | 3 ++-
 .../internal/telephony/ITransportSelectorCallback.aidl   | 2 +-
 .../internal/telephony/IWwanSelectorCallback.aidl        | 2 +-
 5 files changed, 12 insertions(+), 8 deletions(-)

diff --git a/telephony/java/android/telephony/DomainSelectionService.java b/telephony/java/android/telephony/DomainSelectionService.java
index c352f2bc3f833..abcce5f61aee7 100644
--- a/telephony/java/android/telephony/DomainSelectionService.java
+++ b/telephony/java/android/telephony/DomainSelectionService.java
@@ -537,9 +537,9 @@ public class DomainSelectionService extends Service {
         }
 
         @Override
-        public void onWlanSelected() {
+        public void onWlanSelected(boolean useEmergencyPdn) {
             try {
-                mCallback.onWlanSelected();
+                mCallback.onWlanSelected(useEmergencyPdn);
             } catch (Exception e) {
                 Rlog.e(TAG, "onWlanSelected e=" + e);
             }
@@ -702,9 +702,10 @@ public class DomainSelectionService extends Service {
         }
 
         @Override
-        public void onDomainSelected(@NetworkRegistrationInfo.Domain int domain) {
+        public void onDomainSelected(@NetworkRegistrationInfo.Domain int domain,
+                boolean useEmergencyPdn) {
             try {
-                mCallback.onDomainSelected(domain);
+                mCallback.onDomainSelected(domain, useEmergencyPdn);
             } catch (Exception e) {
                 Rlog.e(TAG, "onDomainSelected e=" + e);
             }
diff --git a/telephony/java/android/telephony/TransportSelectorCallback.java b/telephony/java/android/telephony/TransportSelectorCallback.java
index d39679072d376..04752e4184665 100644
--- a/telephony/java/android/telephony/TransportSelectorCallback.java
+++ b/telephony/java/android/telephony/TransportSelectorCallback.java
@@ -35,8 +35,10 @@ public interface TransportSelectorCallback {
 
     /**
      * Notify that WLAN transport has been selected.
+     *
+     * @param useEmergencyPdn Indicates whether Wi-Fi emergency services use emergency PDN or not.
      */
-    void onWlanSelected();
+    void onWlanSelected(boolean useEmergencyPdn);
 
     /**
      * Notify that WWAN transport has been selected.
diff --git a/telephony/java/android/telephony/WwanSelectorCallback.java b/telephony/java/android/telephony/WwanSelectorCallback.java
index b3682caa4eb3e..f9c2620cfaf86 100644
--- a/telephony/java/android/telephony/WwanSelectorCallback.java
+++ b/telephony/java/android/telephony/WwanSelectorCallback.java
@@ -46,6 +46,7 @@ public interface WwanSelectorCallback {
      * this interface can be discarded.
      *
      * @param domain The selected domain.
+     * @param useEmergencyPdn Indicates whether emergency services use emergency PDN or not.
      */
-    void onDomainSelected(@NetworkRegistrationInfo.Domain int domain);
+    void onDomainSelected(@NetworkRegistrationInfo.Domain int domain, boolean useEmergencyPdn);
 }
diff --git a/telephony/java/com/android/internal/telephony/ITransportSelectorCallback.aidl b/telephony/java/com/android/internal/telephony/ITransportSelectorCallback.aidl
index aca83f4edbd7a..6777256d171ea 100644
--- a/telephony/java/com/android/internal/telephony/ITransportSelectorCallback.aidl
+++ b/telephony/java/com/android/internal/telephony/ITransportSelectorCallback.aidl
@@ -22,7 +22,7 @@ import com.android.internal.telephony.IWwanSelectorCallback;
 
 interface ITransportSelectorCallback {
     oneway void onCreated(in IDomainSelector selector);
-    oneway void onWlanSelected();
+    oneway void onWlanSelected(boolean useEmergencyPdn);
     IWwanSelectorCallback onWwanSelected();
     oneway void onWwanSelectedAsync(in ITransportSelectorResultCallback cb);
     oneway void onSelectionTerminated(int cause);
diff --git a/telephony/java/com/android/internal/telephony/IWwanSelectorCallback.aidl b/telephony/java/com/android/internal/telephony/IWwanSelectorCallback.aidl
index 339fbee918128..94e7c871066ec 100644
--- a/telephony/java/com/android/internal/telephony/IWwanSelectorCallback.aidl
+++ b/telephony/java/com/android/internal/telephony/IWwanSelectorCallback.aidl
@@ -21,6 +21,6 @@ import com.android.internal.telephony.IWwanSelectorResultCallback;
 oneway interface IWwanSelectorCallback {
     void onRequestEmergencyNetworkScan(in int[] preferredNetworks,
             int scanType, in IWwanSelectorResultCallback cb);
-    void onDomainSelected(int domain);
+    void onDomainSelected(int domain, boolean useEmergencyPdn);
     void onCancel();
 }