1/*
2 * Copyright (C) 2012 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.bluetooth.btservice;
18
19import java.util.ArrayList;
20
21import android.bluetooth.BluetoothProfile;
22import android.content.ContentResolver;
23import android.content.Context;
24import android.content.res.Resources;
25import android.provider.Settings;
26import android.util.Log;
27
28import com.android.bluetooth.R;
29import com.android.bluetooth.a2dp.A2dpService;
30import com.android.bluetooth.a2dpsink.A2dpSinkService;
31import com.android.bluetooth.avrcpcontroller.AvrcpControllerService;
32import com.android.bluetooth.hdp.HealthService;
33import com.android.bluetooth.hfp.HeadsetService;
34import com.android.bluetooth.hfpclient.HeadsetClientService;
35import com.android.bluetooth.hid.HidService;
36import com.android.bluetooth.pan.PanService;
37import com.android.bluetooth.gatt.GattService;
38import com.android.bluetooth.map.BluetoothMapService;
39import com.android.bluetooth.mapclient.MapClientService;
40import com.android.bluetooth.sap.SapService;
41import com.android.bluetooth.pbapclient.PbapClientService;
42import com.android.bluetooth.hid.HidDevService;
43import com.android.bluetooth.pbap.BluetoothPbapService;
44import com.android.bluetooth.opp.BluetoothOppService;
45
46public class Config {
47    private static final String TAG = "AdapterServiceConfig";
48    /**
49     * List of profile services.
50     */
51    @SuppressWarnings("rawtypes")
52    // Do not inclue OPP and PBAP, because their services
53    // are not managed by AdapterService
54    private static final Class[] PROFILE_SERVICES = {HeadsetService.class, A2dpService.class,
55            A2dpSinkService.class, HidService.class, HealthService.class, PanService.class,
56            GattService.class, BluetoothMapService.class, HeadsetClientService.class,
57            AvrcpControllerService.class, SapService.class, PbapClientService.class,
58            MapClientService.class, HidDevService.class, BluetoothOppService.class,
59            BluetoothPbapService.class};
60    /**
61     * Resource flag to indicate whether profile is supported or not.
62     */
63    private static final int[] PROFILE_SERVICES_FLAG = {R.bool.profile_supported_hs_hfp,
64            R.bool.profile_supported_a2dp, R.bool.profile_supported_a2dp_sink,
65            R.bool.profile_supported_hid, R.bool.profile_supported_hdp,
66            R.bool.profile_supported_pan, R.bool.profile_supported_gatt,
67            R.bool.profile_supported_map, R.bool.profile_supported_hfpclient,
68            R.bool.profile_supported_avrcp_controller, R.bool.profile_supported_sap,
69            R.bool.profile_supported_pbapclient, R.bool.profile_supported_mapmce,
70            R.bool.profile_supported_hidd, R.bool.profile_supported_opp,
71            R.bool.profile_supported_pbap};
72
73    private static Class[] SUPPORTED_PROFILES = new Class[0];
74
75    static void init(Context ctx) {
76        if (ctx == null) {
77            return;
78        }
79        Resources resources = ctx.getResources();
80        if (resources == null) {
81            return;
82        }
83
84        ArrayList<Class> profiles = new ArrayList<Class>(PROFILE_SERVICES.length);
85        for (int i=0; i < PROFILE_SERVICES_FLAG.length; i++) {
86            boolean supported = resources.getBoolean(PROFILE_SERVICES_FLAG[i]);
87            if (supported && !isProfileDisabled(ctx, PROFILE_SERVICES[i])) {
88                Log.d(TAG, "Adding " + PROFILE_SERVICES[i].getSimpleName());
89                profiles.add(PROFILE_SERVICES[i]);
90            }
91        }
92        SUPPORTED_PROFILES = profiles.toArray(new Class[profiles.size()]);
93    }
94
95    static Class[]  getSupportedProfiles() {
96        return SUPPORTED_PROFILES;
97    }
98
99    static long getSupportedProfilesBitMask() {
100        long mask = 0;
101        for (final Class profileClass : getSupportedProfiles()) {
102            final int profileIndex = getProfileIndex(profileClass);
103
104            if (profileIndex != -1) {
105                mask |= 1 << getProfileIndex(profileClass);
106            }
107        }
108
109        return mask;
110    }
111
112    private static boolean isProfileDisabled(Context context, Class profile) {
113        final int profileIndex = getProfileIndex(profile);
114
115        if (profileIndex == -1) {
116            Log.w(TAG, "Could not find profile bit mask");
117            return false;
118        }
119
120        final ContentResolver resolver = context.getContentResolver();
121        final long disabledProfilesBitMask = Settings.Global.getLong(resolver,
122                Settings.Global.BLUETOOTH_DISABLED_PROFILES, 0);
123        final long profileBit = 1 << profileIndex;
124
125        return (disabledProfilesBitMask & profileBit) != 0;
126    }
127
128    private static int getProfileIndex(Class profile) {
129        int profileIndex = -1;
130
131        if (profile == HeadsetService.class) {
132            profileIndex = BluetoothProfile.HEADSET;
133        } else if (profile == A2dpService.class) {
134            profileIndex = BluetoothProfile.A2DP;
135        } else if (profile == A2dpSinkService.class) {
136            profileIndex = BluetoothProfile.A2DP_SINK;
137        } else if (profile == HidService.class) {
138            profileIndex = BluetoothProfile.INPUT_DEVICE;
139        } else if (profile == HealthService.class) {
140            profileIndex = BluetoothProfile.HEALTH;
141        } else if (profile == PanService.class) {
142            profileIndex = BluetoothProfile.PAN;
143        } else if (profile == GattService.class) {
144            profileIndex = BluetoothProfile.GATT;
145        } else if (profile == BluetoothMapService.class) {
146            profileIndex = BluetoothProfile.MAP;
147        } else if (profile == HeadsetClientService.class) {
148            profileIndex = BluetoothProfile.HEADSET_CLIENT;
149        } else if (profile == AvrcpControllerService.class) {
150            profileIndex = BluetoothProfile.AVRCP_CONTROLLER;
151        } else if (profile == SapService.class) {
152            profileIndex = BluetoothProfile.SAP;
153        } else if (profile == PbapClientService.class) {
154            profileIndex = BluetoothProfile.PBAP_CLIENT;
155        } else if (profile == MapClientService.class) {
156            profileIndex = BluetoothProfile.MAP_CLIENT;
157        } else if (profile == HidDevService.class) {
158            profileIndex = BluetoothProfile.INPUT_HOST;
159        }
160
161        return profileIndex;
162    }
163}
164