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 17package com.android.bluetoothmidiservice; 18 19import android.app.Service; 20import android.bluetooth.BluetoothDevice; 21import android.content.Intent; 22import android.media.midi.MidiManager; 23import android.os.IBinder; 24import android.util.Log; 25 26import java.util.HashMap; 27 28public class BluetoothMidiService extends Service { 29 private static final String TAG = "BluetoothMidiService"; 30 31 // BluetoothMidiDevices keyed by BluetoothDevice 32 private final HashMap<BluetoothDevice,BluetoothMidiDevice> mDeviceServerMap 33 = new HashMap<BluetoothDevice,BluetoothMidiDevice>(); 34 35 @Override 36 public IBinder onBind(Intent intent) { 37 if (MidiManager.BLUETOOTH_MIDI_SERVICE_INTENT.equals(intent.getAction())) { 38 BluetoothDevice bluetoothDevice = (BluetoothDevice)intent.getParcelableExtra("device"); 39 if (bluetoothDevice == null) { 40 Log.e(TAG, "no BluetoothDevice in onBind intent"); 41 return null; 42 } 43 44 BluetoothMidiDevice device; 45 synchronized (mDeviceServerMap) { 46 device = mDeviceServerMap.get(bluetoothDevice); 47 if (device == null) { 48 device = new BluetoothMidiDevice(this, bluetoothDevice, this); 49 } 50 } 51 return device.getBinder(); 52 } 53 return null; 54 } 55 56 void deviceClosed(BluetoothDevice device) { 57 synchronized (mDeviceServerMap) { 58 mDeviceServerMap.remove(device); 59 } 60 } 61} 62