1 files changed, 104 insertions, 0 deletions
diff --git a/src/java/com/android/ims/RcsFeatureManager.java b/src/java/com/android/ims/RcsFeatureManager.java
new file mode 100644
index 00000000..10cd1c7f
--- /dev/null
+++ b/src/java/com/android/ims/RcsFeatureManager.java
@@ -0,0 +1,104 @@
+/*
+ * Copyright (c) 2019 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.ims;
+
+import android.content.Context;
+import android.os.PersistableBundle;
+import android.telephony.CarrierConfigManager;
+import android.telephony.SubscriptionManager;
+import android.util.Log;
+
+import com.android.internal.annotations.VisibleForTesting;
+
+public class RcsFeatureManager {
+    private static final String TAG = "RcsFeatureManager";
+
+    private final int mSlotId;
+    private final Context mContext;
+    private RcsFeatureConnection mRcsFeatureConnection;
+
+    public RcsFeatureManager(Context context, int slotId) {
+        Log.d(TAG, "RcsFeatureManager slotId: " + slotId);
+        mContext = context;
+        mSlotId = slotId;
+
+        mRcsFeatureConnection = RcsFeatureConnection.create(mContext, mSlotId);
+    }
+
+    /**
+     * Testing interface used to mock SubscriptionManager in testing
+     * @hide
+     */
+    @VisibleForTesting
+    public interface SubscriptionManagerProxy {
+        /**
+         * Mock-able interface for {@link SubscriptionManager#getSubId(int)} used for testing.
+         */
+        int getSubId(int slotId);
+    }
+
+    private static SubscriptionManagerProxy sSubscriptionManagerProxy
+            = new SubscriptionManagerProxy() {
+                @Override
+                public int getSubId(int slotId) {
+                    int[] subIds = SubscriptionManager.getSubId(slotId);
+                    if (subIds != null) {
+                        Log.i(TAG, "getSubId : " + subIds[0]);
+                        return subIds[0];
+                    }
+                    return SubscriptionManager.INVALID_SUBSCRIPTION_ID;
+                }
+            };
+
+    /**
+     * Testing function used to mock SubscriptionManager in testing
+     * @hide
+     */
+    @VisibleForTesting
+    public static void setSubscriptionManager(SubscriptionManagerProxy proxy) {
+        sSubscriptionManagerProxy = proxy;
+    }
+
+    /**
+     * Check if RCS UCE feature is supported by carrier.
+     */
+    public static boolean isRcsUceSupportedByCarrier(Context context, int slotId) {
+        int subId = sSubscriptionManagerProxy.getSubId(slotId);
+        if (subId == SubscriptionManager.INVALID_SUBSCRIPTION_ID) {
+            Log.e(TAG, "Getting subIds is failure! slotId: " + slotId);
+            return false;
+        }
+
+        boolean isPresenceSupported = false;
+        boolean isSipOptionsSupported = false;
+        CarrierConfigManager configManager =
+            (CarrierConfigManager) context.getSystemService(Context.CARRIER_CONFIG_SERVICE);
+        if (configManager != null) {
+            PersistableBundle b = configManager.getConfigForSubId(subId);
+            if (b != null) {
+                isPresenceSupported =
+                    b.getBoolean(CarrierConfigManager.KEY_USE_RCS_PRESENCE_BOOL, false);
+                isSipOptionsSupported =
+                    b.getBoolean(CarrierConfigManager.KEY_USE_RCS_SIP_OPTIONS_BOOL, false);
+            }
+        }
+        Log.d(TAG, "isRcsUceSupportedByCarrier subId: " + subId
+                + ", presence= " + isPresenceSupported
+                + ", sip options=" + isSipOptionsSupported);
+        return isPresenceSupported|isSipOptionsSupported;
+    }
+}