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      1 /*
      2  * Copyright (C) 2016 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.settingslib.bluetooth;
     18 
     19 import android.bluetooth.BluetoothAdapter;
     20 import android.bluetooth.BluetoothClass;
     21 import android.bluetooth.BluetoothDevice;
     22 import android.bluetooth.BluetoothPbapClient;
     23 import android.bluetooth.BluetoothProfile;
     24 import android.bluetooth.BluetoothUuid;
     25 import android.content.Context;
     26 import android.os.ParcelUuid;
     27 import android.util.Log;
     28 
     29 import com.android.settingslib.R;
     30 
     31 import java.util.ArrayList;
     32 import java.util.Collection;
     33 import java.util.List;
     34 
     35 public final class PbapClientProfile implements LocalBluetoothProfile {
     36     private static final String TAG = "PbapClientProfile";
     37 
     38     private BluetoothPbapClient mService;
     39     private boolean mIsProfileReady;
     40 
     41     private final CachedBluetoothDeviceManager mDeviceManager;
     42 
     43     static final ParcelUuid[] SRC_UUIDS = {
     44         BluetoothUuid.PBAP_PSE,
     45     };
     46 
     47     static final String NAME = "PbapClient";
     48     private final LocalBluetoothProfileManager mProfileManager;
     49 
     50     // Order of this profile in device profiles list
     51     private static final int ORDINAL = 6;
     52 
     53     // These callbacks run on the main thread.
     54     private final class PbapClientServiceListener
     55             implements BluetoothProfile.ServiceListener {
     56 
     57         public void onServiceConnected(int profile, BluetoothProfile proxy) {
     58             mService = (BluetoothPbapClient) proxy;
     59             // We just bound to the service, so refresh the UI for any connected PBAP devices.
     60             List<BluetoothDevice> deviceList = mService.getConnectedDevices();
     61             while (!deviceList.isEmpty()) {
     62                 BluetoothDevice nextDevice = deviceList.remove(0);
     63                 CachedBluetoothDevice device = mDeviceManager.findDevice(nextDevice);
     64                 // we may add a new device here, but generally this should not happen
     65                 if (device == null) {
     66                     Log.w(TAG, "PbapClientProfile found new device: " + nextDevice);
     67                     device = mDeviceManager.addDevice(nextDevice);
     68                 }
     69                 device.onProfileStateChanged(PbapClientProfile.this, BluetoothProfile.STATE_CONNECTED);
     70                 device.refresh();
     71             }
     72             mIsProfileReady = true;
     73         }
     74 
     75         public void onServiceDisconnected(int profile) {
     76             mIsProfileReady = false;
     77         }
     78     }
     79 
     80     private void refreshProfiles() {
     81         Collection<CachedBluetoothDevice> cachedDevices = mDeviceManager.getCachedDevicesCopy();
     82         for (CachedBluetoothDevice device : cachedDevices) {
     83             device.onUuidChanged();
     84         }
     85     }
     86 
     87     public boolean pbapClientExists() {
     88         return (mService != null);
     89     }
     90 
     91     public boolean isProfileReady() {
     92         return mIsProfileReady;
     93     }
     94 
     95     @Override
     96     public int getProfileId() {
     97         return BluetoothProfile.PBAP_CLIENT;
     98     }
     99 
    100     PbapClientProfile(Context context, CachedBluetoothDeviceManager deviceManager,
    101             LocalBluetoothProfileManager profileManager) {
    102         mDeviceManager = deviceManager;
    103         mProfileManager = profileManager;
    104         BluetoothAdapter.getDefaultAdapter().getProfileProxy(context,
    105                 new PbapClientServiceListener(), BluetoothProfile.PBAP_CLIENT);
    106     }
    107 
    108     public boolean accessProfileEnabled() {
    109         return true;
    110     }
    111 
    112     public boolean isAutoConnectable() {
    113         return true;
    114     }
    115 
    116     public List<BluetoothDevice> getConnectedDevices() {
    117         if (mService == null) {
    118             return new ArrayList<BluetoothDevice>(0);
    119         }
    120         return mService.getDevicesMatchingConnectionStates(
    121               new int[] {BluetoothProfile.STATE_CONNECTED,
    122                          BluetoothProfile.STATE_CONNECTING,
    123                          BluetoothProfile.STATE_DISCONNECTING});
    124     }
    125 
    126     public boolean connect(BluetoothDevice device) {
    127         Log.d(TAG,"PBAPClientProfile got connect request");
    128         if (mService == null) {
    129             return false;
    130         }
    131         Log.d(TAG,"PBAPClientProfile attempting to connect to " + device.getAddress());
    132         return mService.connect(device);
    133     }
    134 
    135     public boolean disconnect(BluetoothDevice device) {
    136         Log.d(TAG,"PBAPClientProfile got disconnect request");
    137         if (mService == null) {
    138             return false;
    139         }
    140         return mService.disconnect(device);
    141     }
    142 
    143     public int getConnectionStatus(BluetoothDevice device) {
    144         if (mService == null) {
    145             return BluetoothProfile.STATE_DISCONNECTED;
    146         }
    147         return mService.getConnectionState(device);
    148     }
    149 
    150     public boolean isPreferred(BluetoothDevice device) {
    151         if (mService == null) {
    152             return false;
    153         }
    154         return mService.getPriority(device) > BluetoothProfile.PRIORITY_OFF;
    155     }
    156 
    157     public int getPreferred(BluetoothDevice device) {
    158         if (mService == null) {
    159             return BluetoothProfile.PRIORITY_OFF;
    160         }
    161         return mService.getPriority(device);
    162     }
    163 
    164     public void setPreferred(BluetoothDevice device, boolean preferred) {
    165         if (mService == null) {
    166             return;
    167         }
    168         if (preferred) {
    169             if (mService.getPriority(device) < BluetoothProfile.PRIORITY_ON) {
    170                 mService.setPriority(device, BluetoothProfile.PRIORITY_ON);
    171             }
    172         } else {
    173             mService.setPriority(device, BluetoothProfile.PRIORITY_OFF);
    174         }
    175     }
    176 
    177     public String toString() {
    178         return NAME;
    179     }
    180 
    181     public int getOrdinal() {
    182         return ORDINAL;
    183     }
    184 
    185     public int getNameResource(BluetoothDevice device) {
    186         // we need to have same string in UI as the server side.
    187         return R.string.bluetooth_profile_pbap;
    188     }
    189 
    190     public int getSummaryResourceForDevice(BluetoothDevice device) {
    191         return R.string.bluetooth_profile_pbap_summary;
    192     }
    193 
    194     public int getDrawableResource(BluetoothClass btClass) {
    195         return com.android.internal.R.drawable.ic_phone;
    196     }
    197 
    198     protected void finalize() {
    199         Log.d(TAG, "finalize()");
    200         if (mService != null) {
    201             try {
    202                 BluetoothAdapter.getDefaultAdapter().closeProfileProxy(
    203                     BluetoothProfile.PBAP_CLIENT,mService);
    204                 mService = null;
    205             } catch (Throwable t) {
    206                 Log.w(TAG, "Error cleaning up PBAP Client proxy", t);
    207             }
    208         }
    209     }
    210 }
    211