1 files changed, 73 insertions, 0 deletions
diff --git a/framework/java/android/bluetooth/BluetoothFrameworkInitializer.java b/framework/java/android/bluetooth/BluetoothFrameworkInitializer.java
new file mode 100644
index 0000000000..3faf2ce3f6
--- /dev/null
+++ b/framework/java/android/bluetooth/BluetoothFrameworkInitializer.java
@@ -0,0 +1,73 @@
+/*
+ * Copyright (C) 2021 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.bluetooth;
+
+import android.annotation.NonNull;
+import android.annotation.SystemApi;
+import android.annotation.SystemApi.Client;
+import android.app.SystemServiceRegistry;
+import android.content.Context;
+import android.os.BluetoothServiceManager;
+
+/**
+ * Class for performing registration for Bluetooth service.
+ *
+ * @hide
+ */
+@SystemApi(client = SystemApi.Client.MODULE_LIBRARIES)
+public class BluetoothFrameworkInitializer {
+  private BluetoothFrameworkInitializer() {}
+
+  private static volatile BluetoothServiceManager sBluetoothServiceManager;
+
+  /**
+   * Sets an instance of {@link BluetoothServiceManager} that allows
+   * the bluetooth mainline module to register/obtain bluetooth binder services. This is called
+   * by the platform during the system initialization.
+   *
+   * @param bluetoothServiceManager instance of {@link BluetoothServiceManager} that allows
+   * the bluetooth mainline module to register/obtain bluetoothd binder services.
+   */
+  public static void setBluetoothServiceManager(
+      @NonNull BluetoothServiceManager bluetoothServiceManager) {
+    if (sBluetoothServiceManager != null) {
+      throw new IllegalStateException("setBluetoothServiceManager called twice!");
+    }
+
+    if (bluetoothServiceManager == null) {
+      throw new NullPointerException("bluetoothServiceManager is null");
+    }
+
+    sBluetoothServiceManager = bluetoothServiceManager;
+  }
+
+  /** @hide */
+  public static BluetoothServiceManager getBluetoothServiceManager() {
+    return sBluetoothServiceManager;
+  }
+
+  /**
+   * Called by {@link SystemServiceRegistry}'s static initializer and registers BT service
+   * to {@link Context}, so that {@link Context#getSystemService} can return them.
+   *
+   * @throws IllegalStateException if this is called from anywhere besides
+   * {@link SystemServiceRegistry}
+   */
+  public static void registerServiceWrappers() {
+    SystemServiceRegistry.registerContextAwareService(Context.BLUETOOTH_SERVICE,
+        BluetoothManager.class, context -> new BluetoothManager(context));
+  }
+}