BluetoothController.java revision 6179ea3196e9306d3f14361fe9ef14191b1edba6 
1/*
2 * Copyright (C) 2008 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.ArrayList;
20
21import android.bluetooth.BluetoothAdapter;
22import android.content.BroadcastReceiver;
23import android.content.Context;
24import android.content.Intent;
25import android.content.IntentFilter;
26import android.view.View;
27import android.widget.ImageView;
28
29import com.android.systemui.R;
30
31public class BluetoothController extends BroadcastReceiver {
32    private static final String TAG = "StatusBar.BluetoothController";
33
34    private Context mContext;
35    private ArrayList<ImageView> mIconViews = new ArrayList<ImageView>();
36
37    private int mIconId = R.drawable.stat_sys_data_bluetooth;
38    private boolean mEnabled;
39
40    public BluetoothController(Context context) {
41        mContext = context;
42
43        IntentFilter filter = new IntentFilter();
44        filter.addAction(BluetoothAdapter.ACTION_STATE_CHANGED);
45        filter.addAction(BluetoothAdapter.ACTION_CONNECTION_STATE_CHANGED);
46        context.registerReceiver(this, filter);
47    }
48
49    public void addIconView(ImageView v) {
50        mIconViews.add(v);
51    }
52
53    @Override
54    public void onReceive(Context context, Intent intent) {
55        int state = intent.getIntExtra(BluetoothAdapter.EXTRA_CONNECTION_STATE,
56                BluetoothAdapter.STATE_DISCONNECTED);
57        int contentDescriptionResId = 0;
58
59        if (state == BluetoothAdapter.STATE_CONNECTED) {
60            mIconId = R.drawable.stat_sys_data_bluetooth_connected;
61            contentDescriptionResId = R.string.accessibility_bluetooth_connected;
62        } else {
63            mIconId = R.drawable.stat_sys_data_bluetooth;
64            contentDescriptionResId = R.string.accessibility_bluetooth_disconnected;
65        }
66
67        int N = mIconViews.size();
68        for (int i=0; i<N; i++) {
69            ImageView v = mIconViews.get(i);
70            v.setImageResource(mIconId);
71            v.setVisibility(mEnabled ? View.VISIBLE : View.GONE);
72            v.setContentDescription(mContext.getString(contentDescriptionResId));
73        }
74    }
75}
76