1 /* 2 * Copyright (C) 2015 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.bluetoothmidiservice; 18 19 import android.app.Service; 20 import android.bluetooth.BluetoothDevice; 21 import android.content.Intent; 22 import android.media.midi.IBluetoothMidiService; 23 import android.media.midi.MidiManager; 24 import android.os.IBinder; 25 import android.util.Log; 26 27 import java.util.HashMap; 28 29 public class BluetoothMidiService extends Service { 30 private static final String TAG = "BluetoothMidiService"; 31 32 // BluetoothMidiDevices keyed by BluetoothDevice 33 private final HashMap<BluetoothDevice,BluetoothMidiDevice> mDeviceServerMap 34 = new HashMap<BluetoothDevice,BluetoothMidiDevice>(); 35 36 @Override onBind(Intent intent)37 public IBinder onBind(Intent intent) { 38 // Return the interface 39 return mBinder; 40 } 41 42 43 private final IBluetoothMidiService.Stub mBinder = new IBluetoothMidiService.Stub() { 44 45 public IBinder addBluetoothDevice(BluetoothDevice bluetoothDevice) { 46 BluetoothMidiDevice device; 47 if (bluetoothDevice == null) { 48 Log.e(TAG, "no BluetoothDevice in addBluetoothDevice()"); 49 return null; 50 } 51 synchronized (mDeviceServerMap) { 52 device = mDeviceServerMap.get(bluetoothDevice); 53 if (device == null) { 54 device = new BluetoothMidiDevice(BluetoothMidiService.this, 55 bluetoothDevice, BluetoothMidiService.this); 56 mDeviceServerMap.put(bluetoothDevice, device); 57 } 58 } 59 return device.getBinder(); 60 } 61 62 }; 63 deviceClosed(BluetoothDevice device)64 void deviceClosed(BluetoothDevice device) { 65 synchronized (mDeviceServerMap) { 66 mDeviceServerMap.remove(device); 67 } 68 } 69 } 70