SapProfile.java revision 424681e43e454bfcbceb863ddccb875ea57ec26f 
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.settingslib.bluetooth;
18
19import android.bluetooth.BluetoothAdapter;
20import android.bluetooth.BluetoothClass;
21import android.bluetooth.BluetoothDevice;
22import android.bluetooth.BluetoothSap;
23import android.bluetooth.BluetoothProfile;
24import android.bluetooth.BluetoothUuid;
25import android.content.Context;
26import android.os.ParcelUuid;
27import android.util.Log;
28
29import com.android.settingslib.R;
30
31import java.util.ArrayList;
32import java.util.List;
33
34/**
35 * SapProfile handles Bluetooth SAP profile.
36 */
37final class SapProfile implements LocalBluetoothProfile {
38    private static final String TAG = "SapProfile";
39    private static boolean V = true;
40
41    private BluetoothSap mService;
42    private boolean mIsProfileReady;
43
44    private final LocalBluetoothAdapter mLocalAdapter;
45    private final CachedBluetoothDeviceManager mDeviceManager;
46    private final LocalBluetoothProfileManager mProfileManager;
47
48    static final ParcelUuid[] UUIDS = {
49        BluetoothUuid.SAP,
50    };
51
52    static final String NAME = "SAP";
53
54    // Order of this profile in device profiles list
55    private static final int ORDINAL = 10;
56
57    // These callbacks run on the main thread.
58    private final class SapServiceListener
59            implements BluetoothProfile.ServiceListener {
60
61        public void onServiceConnected(int profile, BluetoothProfile proxy) {
62            if (V) Log.d(TAG,"Bluetooth service connected");
63            mService = (BluetoothSap) proxy;
64            // We just bound to the service, so refresh the UI for any connected SAP devices.
65            List<BluetoothDevice> deviceList = mService.getConnectedDevices();
66            while (!deviceList.isEmpty()) {
67                BluetoothDevice nextDevice = deviceList.remove(0);
68                CachedBluetoothDevice device = mDeviceManager.findDevice(nextDevice);
69                // we may add a new device here, but generally this should not happen
70                if (device == null) {
71                    Log.w(TAG, "SapProfile found new device: " + nextDevice);
72                    device = mDeviceManager.addDevice(mLocalAdapter, mProfileManager, nextDevice);
73                }
74                device.onProfileStateChanged(SapProfile.this,
75                        BluetoothProfile.STATE_CONNECTED);
76                device.refresh();
77            }
78
79            mProfileManager.callServiceConnectedListeners();
80            mIsProfileReady=true;
81        }
82
83        public void onServiceDisconnected(int profile) {
84            if (V) Log.d(TAG,"Bluetooth service disconnected");
85            mProfileManager.callServiceDisconnectedListeners();
86            mIsProfileReady=false;
87        }
88    }
89
90    public boolean isProfileReady() {
91        return mIsProfileReady;
92    }
93
94    SapProfile(Context context, LocalBluetoothAdapter adapter,
95            CachedBluetoothDeviceManager deviceManager,
96            LocalBluetoothProfileManager profileManager) {
97        mLocalAdapter = adapter;
98        mDeviceManager = deviceManager;
99        mProfileManager = profileManager;
100        mLocalAdapter.getProfileProxy(context, new SapServiceListener(),
101                BluetoothProfile.SAP);
102    }
103
104    public boolean isConnectable() {
105        return true;
106    }
107
108    public boolean isAutoConnectable() {
109        return true;
110    }
111
112    public boolean connect(BluetoothDevice device) {
113        if (mService == null) return false;
114        List<BluetoothDevice> sinks = mService.getConnectedDevices();
115        if (sinks != null) {
116            for (BluetoothDevice sink : sinks) {
117                mService.disconnect(sink);
118            }
119        }
120        return mService.connect(device);
121    }
122
123    public boolean disconnect(BluetoothDevice device) {
124        if (mService == null) return false;
125        List<BluetoothDevice> deviceList = mService.getConnectedDevices();
126        if (!deviceList.isEmpty() && deviceList.get(0).equals(device)) {
127            if (mService.getPriority(device) > BluetoothProfile.PRIORITY_ON) {
128                mService.setPriority(device, BluetoothProfile.PRIORITY_ON);
129            }
130            return mService.disconnect(device);
131        } else {
132            return false;
133        }
134    }
135
136    public int getConnectionStatus(BluetoothDevice device) {
137        if (mService == null) return BluetoothProfile.STATE_DISCONNECTED;
138        List<BluetoothDevice> deviceList = mService.getConnectedDevices();
139
140        return !deviceList.isEmpty() && deviceList.get(0).equals(device)
141                ? mService.getConnectionState(device)
142                : BluetoothProfile.STATE_DISCONNECTED;
143    }
144
145    public boolean isPreferred(BluetoothDevice device) {
146        if (mService == null) return false;
147        return mService.getPriority(device) > BluetoothProfile.PRIORITY_OFF;
148    }
149
150    public int getPreferred(BluetoothDevice device) {
151        if (mService == null) return BluetoothProfile.PRIORITY_OFF;
152        return mService.getPriority(device);
153    }
154
155    public void setPreferred(BluetoothDevice device, boolean preferred) {
156        if (mService == null) return;
157        if (preferred) {
158            if (mService.getPriority(device) < BluetoothProfile.PRIORITY_ON) {
159                mService.setPriority(device, BluetoothProfile.PRIORITY_ON);
160            }
161        } else {
162            mService.setPriority(device, BluetoothProfile.PRIORITY_OFF);
163        }
164    }
165
166    public List<BluetoothDevice> getConnectedDevices() {
167        if (mService == null) return new ArrayList<BluetoothDevice>(0);
168        return mService.getDevicesMatchingConnectionStates(
169              new int[] {BluetoothProfile.STATE_CONNECTED,
170                         BluetoothProfile.STATE_CONNECTING,
171                         BluetoothProfile.STATE_DISCONNECTING});
172    }
173
174    public String toString() {
175        return NAME;
176    }
177
178    public int getOrdinal() {
179        return ORDINAL;
180    }
181
182    public int getNameResource(BluetoothDevice device) {
183        return R.string.bluetooth_profile_sap;
184    }
185
186    public int getSummaryResourceForDevice(BluetoothDevice device) {
187        int state = getConnectionStatus(device);
188        switch (state) {
189            case BluetoothProfile.STATE_DISCONNECTED:
190                return R.string.bluetooth_sap_profile_summary_use_for;
191
192            case BluetoothProfile.STATE_CONNECTED:
193                return R.string.bluetooth_sap_profile_summary_connected;
194
195            default:
196                return Utils.getConnectionStateSummary(state);
197        }
198    }
199
200    public int getDrawableResource(BluetoothClass btClass) {
201        return R.drawable.ic_bt_cellphone;
202    }
203
204    protected void finalize() {
205        if (V) Log.d(TAG, "finalize()");
206        if (mService != null) {
207            try {
208                BluetoothAdapter.getDefaultAdapter().closeProfileProxy(BluetoothProfile.SAP,
209                                                                       mService);
210                mService = null;
211            }catch (Throwable t) {
212                Log.w(TAG, "Error cleaning up SAP proxy", t);
213            }
214        }
215    }
216}
217