Initialize FrameworkInitializer for Bluetooth

Bug: 195146428
Test: Compile and bring up
Change-Id: Ife478832ced506ff156c0a1f680952390e50d425

4 files changed, 146 insertions, 8 deletions

diff --git a/core/api/module-lib-current.txt b/core/api/module-lib-current.txt
index c0847a4f3fce..4014dbc628ff 100644
--- a/core/api/module-lib-current.txt
+++ b/core/api/module-lib-current.txt
@@ -88,6 +88,11 @@ package android.app.usage {
 
 package android.bluetooth {
 
+  public class BluetoothFrameworkInitializer {
+    method public static void registerServiceWrappers();
+    method public static void setBluetoothServiceManager(@NonNull android.os.BluetoothServiceManager);
+  }
+
   public final class BluetoothPan implements android.bluetooth.BluetoothProfile {
     method @Nullable @RequiresPermission(allOf={android.Manifest.permission.BLUETOOTH_CONNECT, android.Manifest.permission.BLUETOOTH_PRIVILEGED, android.Manifest.permission.TETHER_PRIVILEGED}) public android.net.TetheringManager.TetheredInterfaceRequest requestTetheredInterface(@NonNull java.util.concurrent.Executor, @NonNull android.net.TetheringManager.TetheredInterfaceCallback);
   }
@@ -382,6 +387,21 @@ package android.os {
     method public final void markVintfStability();
   }
 
+  public class BluetoothServiceManager {
+    method @NonNull public android.os.BluetoothServiceManager.ServiceRegisterer getBluetoothManagerServiceRegisterer();
+  }
+
+  public static class BluetoothServiceManager.ServiceNotFoundException extends java.lang.Exception {
+    ctor public BluetoothServiceManager.ServiceNotFoundException(@NonNull String);
+  }
+
+  public static final class BluetoothServiceManager.ServiceRegisterer {
+    method @Nullable public android.os.IBinder get();
+    method @NonNull public android.os.IBinder getOrThrow() throws android.os.BluetoothServiceManager.ServiceNotFoundException;
+    method public void register(@NonNull android.os.IBinder);
+    method @Nullable public android.os.IBinder tryGet();
+  }
+
   public class Build {
     method public static boolean isDebuggable();
   }
diff --git a/core/java/android/app/ActivityThread.java b/core/java/android/app/ActivityThread.java
index 3ddbe9e85240..ea6271412289 100644
--- a/core/java/android/app/ActivityThread.java
+++ b/core/java/android/app/ActivityThread.java
@@ -61,6 +61,7 @@ import android.app.servertransaction.PendingTransactionActions.StopInfo;
 import android.app.servertransaction.ResumeActivityItem;
 import android.app.servertransaction.TransactionExecutor;
 import android.app.servertransaction.TransactionExecutorHelper;
+import android.bluetooth.BluetoothFrameworkInitializer;
 import android.compat.annotation.UnsupportedAppUsage;
 import android.content.AttributionSource;
 import android.content.AutofillOptions;
@@ -109,6 +110,7 @@ import android.net.TrafficStats;
 import android.net.Uri;
 import android.os.AsyncTask;
 import android.os.Binder;
+import android.os.BluetoothServiceManager;
 import android.os.Build;
 import android.os.Bundle;
 import android.os.CancellationSignal;
@@ -7919,6 +7921,7 @@ public final class ActivityThread extends ClientTransactionHandler
         StatsFrameworkInitializer.setStatsServiceManager(new StatsServiceManager());
         MediaFrameworkPlatformInitializer.setMediaServiceManager(new MediaServiceManager());
         MediaFrameworkInitializer.setMediaServiceManager(new MediaServiceManager());
+        BluetoothFrameworkInitializer.setBluetoothServiceManager(new BluetoothServiceManager());
     }
 
     private void purgePendingResources() {
diff --git a/core/java/android/app/SystemServiceRegistry.java b/core/java/android/app/SystemServiceRegistry.java
index 63c1fd8f2a4a..e465d2a6856a 100644
--- a/core/java/android/app/SystemServiceRegistry.java
+++ b/core/java/android/app/SystemServiceRegistry.java
@@ -49,7 +49,7 @@ import android.app.usage.StorageStatsManager;
 import android.app.usage.UsageStatsManager;
 import android.apphibernation.AppHibernationManager;
 import android.appwidget.AppWidgetManager;
-import android.bluetooth.BluetoothManager;
+import android.bluetooth.BluetoothFrameworkInitializer;
 import android.companion.CompanionDeviceManager;
 import android.companion.ICompanionDeviceManager;
 import android.companion.virtual.IVirtualDeviceManager;
@@ -346,13 +346,6 @@ public final class SystemServiceRegistry {
                 return new MediaRouter(ctx);
             }});
 
-        registerService(Context.BLUETOOTH_SERVICE, BluetoothManager.class,
-                new CachedServiceFetcher<BluetoothManager>() {
-            @Override
-            public BluetoothManager createService(ContextImpl ctx) {
-                return new BluetoothManager(ctx);
-            }});
-
         registerService(Context.HDMI_CONTROL_SERVICE, HdmiControlManager.class,
                 new StaticServiceFetcher<HdmiControlManager>() {
             @Override
@@ -1530,6 +1523,7 @@ public final class SystemServiceRegistry {
             ConnectivityFrameworkInitializer.registerServiceWrappers();
             JobSchedulerFrameworkInitializer.registerServiceWrappers();
             BlobStoreManagerFrameworkInitializer.initialize();
+            BluetoothFrameworkInitializer.registerServiceWrappers();
             TelephonyFrameworkInitializer.registerServiceWrappers();
             AppSearchManagerFrameworkInitializer.initialize();
             WifiFrameworkInitializer.registerServiceWrappers();
diff --git a/core/java/android/os/BluetoothServiceManager.java b/core/java/android/os/BluetoothServiceManager.java
new file mode 100644
index 000000000000..12f7bc84cd9c
--- /dev/null
+++ b/core/java/android/os/BluetoothServiceManager.java
@@ -0,0 +1,121 @@
+/*
+ * 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 android.os;
+
+import android.annotation.NonNull;
+import android.annotation.Nullable;
+import android.content.Context;
+import android.annotation.SystemApi;
+import android.annotation.SystemApi.Client;
+import android.os.BluetoothServiceManager;
+
+/**
+ * Provides a way to register and obtain the system service binder objects managed by the bluetooth
+ * service.
+ *
+ * @hide
+ */
+@SystemApi(client = Client.MODULE_LIBRARIES)
+public class BluetoothServiceManager {
+
+    /** @hide */
+    public static final String BLUETOOTH_MANAGER_SERVICE = "bluetooth_manager";
+    /**
+     * @hide
+     */
+    public BluetoothServiceManager() {
+    }
+
+    /**
+     * A class that exposes the methods to register and obtain each system service.
+     */
+    public static final class ServiceRegisterer {
+        private final String mServiceName;
+
+        /**
+         * @hide
+         */
+        public ServiceRegisterer(String serviceName) {
+            mServiceName = serviceName;
+        }
+
+        /**
+         * Register a system server binding object for a service.
+         */
+        public void register(@NonNull IBinder service) {
+            ServiceManager.addService(mServiceName, service);
+        }
+
+        /**
+         * Get the system server binding object for a service.
+         *
+         * <p>This blocks until the service instance is ready,
+         * or a timeout happens, in which case it returns null.
+         */
+        @Nullable
+        public IBinder get() {
+            return ServiceManager.getService(mServiceName);
+        }
+
+        /**
+         * Get the system server binding object for a service.
+         *
+         * <p>This blocks until the service instance is ready,
+         * or a timeout happens, in which case it throws {@link ServiceNotFoundException}.
+         */
+        @NonNull
+        public IBinder getOrThrow() throws ServiceNotFoundException {
+            try {
+                return ServiceManager.getServiceOrThrow(mServiceName);
+            } catch (ServiceManager.ServiceNotFoundException e) {
+                throw new ServiceNotFoundException(mServiceName);
+            }
+        }
+
+        /**
+         * Get the system server binding object for a service. If the specified service is
+         * not available, it returns null.
+         */
+        @Nullable
+        public IBinder tryGet() {
+            return ServiceManager.checkService(mServiceName);
+        }
+    }
+
+    /**
+     * See {@link ServiceRegisterer#getOrThrow}.
+     *
+     */
+    public static class ServiceNotFoundException extends ServiceManager.ServiceNotFoundException {
+        /**
+         * Constructor.
+         *
+         * @param name the name of the binder service that cannot be found.
+         *
+         */
+        public ServiceNotFoundException(@NonNull String name) {
+            super(name);
+        }
+    }
+
+    /**
+     * Returns {@link ServiceRegisterer} for the "bluetooth" service.
+     */
+    @NonNull
+    public ServiceRegisterer getBluetoothManagerServiceRegisterer() {
+        return new ServiceRegisterer(BLUETOOTH_MANAGER_SERVICE);
+    }
+}