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      1 /*
      2  * Copyright (C) 2017 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.googlecode.android_scripting.facade.bluetooth;
     18 
     19 import java.lang.reflect.InvocationTargetException;
     20 import java.lang.reflect.Method;
     21 import java.util.List;
     22 
     23 import android.app.Service;
     24 import android.bluetooth.BluetoothAdapter;
     25 import android.bluetooth.BluetoothAvrcpController;
     26 import android.bluetooth.BluetoothDevice;
     27 import android.bluetooth.BluetoothProfile;
     28 import android.bluetooth.BluetoothUuid;
     29 import android.os.ParcelUuid;
     30 
     31 import com.googlecode.android_scripting.Log;
     32 import com.googlecode.android_scripting.facade.FacadeManager;
     33 import com.googlecode.android_scripting.jsonrpc.RpcReceiver;
     34 import com.googlecode.android_scripting.rpc.Rpc;
     35 
     36 public class BluetoothAvrcpFacade extends RpcReceiver {
     37   static final ParcelUuid[] AVRCP_UUIDS = {
     38     BluetoothUuid.AvrcpTarget, BluetoothUuid.AvrcpController
     39   };
     40   private final Service mService;
     41   private final BluetoothAdapter mBluetoothAdapter;
     42 
     43   private static boolean sIsAvrcpReady = false;
     44   private static BluetoothAvrcpController sAvrcpProfile = null;
     45 
     46   public BluetoothAvrcpFacade(FacadeManager manager) {
     47     super(manager);
     48     mService = manager.getService();
     49     mBluetoothAdapter = BluetoothAdapter.getDefaultAdapter();
     50     mBluetoothAdapter.getProfileProxy(mService, new AvrcpServiceListener(),
     51         BluetoothProfile.AVRCP_CONTROLLER);
     52   }
     53 
     54   class AvrcpServiceListener implements BluetoothProfile.ServiceListener {
     55     @Override
     56     public void onServiceConnected(int profile, BluetoothProfile proxy) {
     57       sAvrcpProfile = (BluetoothAvrcpController) proxy;
     58       sIsAvrcpReady = true;
     59     }
     60 
     61     @Override
     62     public void onServiceDisconnected(int profile) {
     63       sIsAvrcpReady = false;
     64     }
     65   }
     66 
     67   @Rpc(description = "Is Avrcp profile ready.")
     68   public Boolean bluetoothAvrcpIsReady() {
     69     return sIsAvrcpReady;
     70   }
     71 
     72   @Rpc(description = "Get all the devices connected through AVRCP.")
     73   public List<BluetoothDevice> bluetoothAvrcpGetConnectedDevices() {
     74     if (!sIsAvrcpReady) {
     75         Log.d("AVRCP profile is not ready.");
     76         return null;
     77     }
     78     return sAvrcpProfile.getConnectedDevices();
     79   }
     80 
     81   @Rpc(description = "Close AVRCP connection.")
     82   public void bluetoothAvrcpDisconnect() throws NoSuchMethodException,
     83                                                 IllegalAccessException,
     84                                                 IllegalArgumentException,
     85                                                 InvocationTargetException {
     86       if (!sIsAvrcpReady) {
     87           Log.d("AVRCP profile is not ready.");
     88           return;
     89       }
     90       Method m = sAvrcpProfile.getClass().getMethod("close");
     91       m.invoke(sAvrcpProfile);
     92   }
     93 
     94   @Override
     95   public void shutdown() {
     96   }
     97 }
     98