From b7f49be765ef494fe954ee7a9600b949fd2a748c Mon Sep 17 00:00:00 2001
From: Rahul Sabnis <rahulsabnis@google.com>
Date: Thu, 29 Oct 2020 15:29:08 -0700
Subject: [PATCH] Add binder interface for the BluetoothConnectionCallback

Tag: #feature
Bug: 171902843
Test: Manual
Change-Id: I2bca5acf7d5ac463668e6a847c851e4a068bf059
---
 binder/Android.bp                                  |  2 ++
 binder/android/bluetooth/IBluetooth.aidl           |  6 +++--
 .../bluetooth/IBluetoothConnectionCallback.aidl    | 27 ++++++++++++++++++++++
 3 files changed, 33 insertions(+), 2 deletions(-)
 create mode 100644 binder/android/bluetooth/IBluetoothConnectionCallback.aidl

diff --git a/binder/Android.bp b/binder/Android.bp
index e4beadb00..b35ef52e8 100644
--- a/binder/Android.bp
+++ b/binder/Android.bp
@@ -40,6 +40,7 @@ cc_library_shared {
         "android/bluetooth/le/IAdvertisingSetCallback.aidl",
         "android/bluetooth/le/IPeriodicAdvertisingCallback.aidl",
         "android/bluetooth/le/IScannerCallback.aidl"
+        "android/bluetooth/IBluetoothConnectionCallback.aidl",
         */
     ],
     export_include_dirs: ["./"],
@@ -115,5 +116,6 @@ filegroup {
         "android/bluetooth/le/IAdvertisingSetCallback.aidl",
         "android/bluetooth/le/IPeriodicAdvertisingCallback.aidl",
         "android/bluetooth/le/IScannerCallback.aidl",
+        "android/bluetooth/IBluetoothConnectionCallback.aidl",
     ],
 }
diff --git a/binder/android/bluetooth/IBluetooth.aidl b/binder/android/bluetooth/IBluetooth.aidl
index 0e554b7bb..587dcd5ee 100644
--- a/binder/android/bluetooth/IBluetooth.aidl
+++ b/binder/android/bluetooth/IBluetooth.aidl
@@ -17,6 +17,7 @@
 package android.bluetooth;
 
 import android.bluetooth.IBluetoothCallback;
+import android.bluetooth.IBluetoothConnectionCallback;
 import android.bluetooth.IBluetoothMetadataListener;
 import android.bluetooth.IBluetoothSocketManager;
 import android.bluetooth.IBluetoothStateChangeCallback;
@@ -144,8 +145,9 @@ interface IBluetooth
     boolean disconnectAllEnabledProfiles(in BluetoothDevice device);
 
     boolean setActiveDevice(in BluetoothDevice device, in int profiles);
-
     List<BluetoothDevice> getMostRecentlyConnectedDevices();
-
     boolean removeActiveDevice(in int profiles);
+
+    boolean registerBluetoothConnectionCallback(in IBluetoothConnectionCallback callback);
+    boolean unregisterBluetoothConnectionCallback(in IBluetoothConnectionCallback callback);
 }
diff --git a/binder/android/bluetooth/IBluetoothConnectionCallback.aidl b/binder/android/bluetooth/IBluetoothConnectionCallback.aidl
new file mode 100644
index 000000000..8242c61b0
--- /dev/null
+++ b/binder/android/bluetooth/IBluetoothConnectionCallback.aidl
@@ -0,0 +1,27 @@
+/*
+ * Copyright 2020 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.bluetooth.BluetoothDevice;
+
+/**
+ * Callback definitions for identifying when an ACL connection or disconnection happens
+ * @hide
+ */
+oneway interface IBluetoothConnectionCallback {
+    void onDeviceConnected(in BluetoothDevice device);
+    void onDeviceDisconnected(in BluetoothDevice device);
+}
-- 
2.11.0