Prevents violation of ims provisioning policy

Prevents ims from being enabled while provisioning policy disallows ims
by checking provisioning policy in the following functions before
enabling Wi-Fi Calling, Volte and VT:
-setEnhanced4gLteModeSetting
-setVtSetting
-setWfcSetting

Bug: 119389855
Test: atest FrameworksTelephonyTests:ImsManagerTest
Merged-In: I3c8b96572773ad15075e9c31f008b875647bfbba
Change-Id: I3c8b96572773ad15075e9c31f008b875647bfbba

1 files changed, 14 insertions, 0 deletions

diff --git a/src/java/com/android/ims/ImsManager.java b/src/java/com/android/ims/ImsManager.java
index b73829aa..073b5f96 100644
--- a/src/java/com/android/ims/ImsManager.java
+++ b/src/java/com/android/ims/ImsManager.java
@@ -504,6 +504,10 @@ public class ImsManager {
      * {@link CarrierConfigManager#KEY_ENHANCED_4G_LTE_ON_BY_DEFAULT_BOOL}.
      */
     public void setEnhanced4gLteModeSetting(boolean enabled) {
+        if (enabled && !isVolteProvisionedOnDevice()) {
+            log("setEnhanced4gLteModeSetting: Not possible to enable VoLTE due to provisioning.");
+            return;
+        }
         int subId = getSubId();
         // If editable=false or hidden=true, we must keep default advanced 4G mode.
         if (!getBooleanCarrierConfig(CarrierConfigManager.KEY_EDITABLE_ENHANCED_4G_LTE_BOOL) ||
@@ -795,6 +799,11 @@ public class ImsManager {
      * Change persistent VT enabled setting for slot.
      */
     public void setVtSetting(boolean enabled) {
+        if (enabled && !isVtProvisionedOnDevice()) {
+            log("setVtSetting: Not possible to enable Vt due to provisioning.");
+            return;
+        }
+
         int subId = getSubId();
         if (isSubIdValid(subId)) {
             SubscriptionManager.setSubscriptionProperty(subId, SubscriptionManager.VT_IMS_ENABLED,
@@ -912,6 +921,11 @@ public class ImsManager {
      * Change persistent WFC enabled setting for slot.
      */
     public void setWfcSetting(boolean enabled) {
+        if (enabled && !isWfcProvisionedOnDevice()) {
+            log("setWfcSetting: Not possible to enable WFC due to provisioning.");
+            return;
+        }
+
         int subId = getSubId();
         if (isSubIdValid(subId)) {
             SubscriptionManager.setSubscriptionProperty(subId, SubscriptionManager.WFC_IMS_ENABLED,