1 files changed, 80 insertions, 0 deletions
diff --git a/src/java/com/android/internal/telephony/metrics/VonrHelper.java b/src/java/com/android/internal/telephony/metrics/VonrHelper.java
new file mode 100644
index 0000000000..8f14a86fe7
--- /dev/null
+++ b/src/java/com/android/internal/telephony/metrics/VonrHelper.java
@@ -0,0 +1,80 @@
+/*
+ * Copyright (C) 2023 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 com.android.internal.telephony.metrics;
+
+import static com.android.internal.telephony.metrics.MetricsCollector.getPhonesIfAny;
+import static com.android.internal.telephony.metrics.PerSimStatus.isVonrEnabled;
+
+import android.annotation.NonNull;
+import android.os.Handler;
+import android.os.HandlerThread;
+
+import com.android.internal.annotations.VisibleForTesting;
+import com.android.internal.telephony.Phone;
+import com.android.internal.telephony.flags.FeatureFlags;
+
+import java.util.Map;
+import java.util.concurrent.ConcurrentHashMap;
+
+/**
+ * Vonr state handler.
+ *
+ * <p>This class is instantiated in {@link MetricsCollector}.
+*/
+public class VonrHelper {
+    private final @NonNull FeatureFlags mFlags;
+
+    private Handler mHandler;
+    private Map<Integer, Boolean> mPhoneVonrState = new ConcurrentHashMap<>();
+
+    public VonrHelper(@NonNull FeatureFlags featureFlags) {
+        this.mFlags = featureFlags;
+        if (mFlags.vonrEnabledMetric()) {
+            HandlerThread mHandlerThread = new HandlerThread("VonrHelperThread");
+            mHandlerThread.start();
+            mHandler = new Handler(mHandlerThread.getLooper());
+        }
+    }
+
+    /** Update vonr_enabled state */
+    public void updateVonrEnabledState() {
+        if (mFlags.vonrEnabledMetric()) {
+            mHandler.post(mVonrRunnable);
+        }
+    }
+
+    @VisibleForTesting
+    protected Runnable mVonrRunnable =
+            new Runnable() {
+                @Override
+                public void run() {
+                    mPhoneVonrState.clear();
+                    for (Phone phone : getPhonesIfAny()) {
+                        mPhoneVonrState.put(phone.getSubId(), isVonrEnabled(phone));
+                    }
+                }
+            };
+
+    /** Get vonr_enabled per subId */
+    public boolean getVonrEnabled(int subId) {
+        if (mFlags.vonrEnabledMetric()) {
+            return mPhoneVonrState.getOrDefault(subId, false);
+        } else {
+            return false;
+        }
+    }
+}