1/*
2 * Copyright (C) 2014 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.systemui.statusbar.policy;
18
19import java.util.Set;
20
21public interface BluetoothController {
22    void addStateChangedCallback(Callback callback);
23    void removeStateChangedCallback(Callback callback);
24
25    boolean isBluetoothSupported();
26    boolean isBluetoothEnabled();
27    boolean isBluetoothConnected();
28    boolean isBluetoothConnecting();
29    String getLastDeviceName();
30    void setBluetoothEnabled(boolean enabled);
31    Set<PairedDevice> getPairedDevices();
32    void connect(PairedDevice device);
33    void disconnect(PairedDevice device);
34
35    public interface Callback {
36        void onBluetoothStateChange(boolean enabled, boolean connecting);
37        void onBluetoothPairedDevicesChanged();
38    }
39
40    public static final class PairedDevice {
41        public static int STATE_DISCONNECTED = 0;
42        public static int STATE_CONNECTING = 1;
43        public static int STATE_CONNECTED = 2;
44        public static int STATE_DISCONNECTING = 3;
45
46        public String id;
47        public String name;
48        public int state = STATE_DISCONNECTED;
49        public Object tag;
50
51        public static String stateToString(int state) {
52            if (state == STATE_DISCONNECTED) return "STATE_DISCONNECTED";
53            if (state == STATE_CONNECTING) return "STATE_CONNECTING";
54            if (state == STATE_CONNECTED) return "STATE_CONNECTED";
55            if (state == STATE_DISCONNECTING) return "STATE_DISCONNECTING";
56            return "UNKNOWN";
57        }
58    }
59}
60