LocationController.java revision e40451a89dc91dfd636af7cb32a23b4a4cc93fdc 
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.app.Notification;
22import android.app.NotificationManager;
23import android.content.BroadcastReceiver;
24import android.content.Context;
25import android.content.Intent;
26import android.content.IntentFilter;
27import android.location.LocationManager;
28import android.util.Slog;
29import android.view.View;
30import android.widget.ImageView;
31
32// private NM API
33import android.app.INotificationManager;
34import com.android.internal.statusbar.StatusBarNotification;
35
36import com.android.systemui.R;
37
38public class LocationController extends BroadcastReceiver {
39    private static final String TAG = "StatusBar.LocationController";
40
41    private static final int GPS_NOTIFICATION_ID = 374203-122084;
42
43    private Context mContext;
44
45    private INotificationManager mNotificationService;
46
47    public LocationController(Context context) {
48        mContext = context;
49
50        IntentFilter filter = new IntentFilter();
51        filter.addAction(LocationManager.GPS_ENABLED_CHANGE_ACTION);
52        filter.addAction(LocationManager.GPS_FIX_CHANGE_ACTION);
53        context.registerReceiver(this, filter);
54
55        NotificationManager nm = (NotificationManager)context.getSystemService(
56                Context.NOTIFICATION_SERVICE);
57        mNotificationService = nm.getService();
58    }
59
60    @Override
61    public void onReceive(Context context, Intent intent) {
62        final String action = intent.getAction();
63        final boolean enabled = intent.getBooleanExtra(LocationManager.EXTRA_GPS_ENABLED, false);
64
65        boolean visible;
66        int iconId, textResId;
67
68        if (action.equals(LocationManager.GPS_FIX_CHANGE_ACTION) && enabled) {
69            // GPS is getting fixes
70            iconId = com.android.internal.R.drawable.stat_sys_gps_on;
71            textResId = R.string.gps_notification_found_text;
72            visible = true;
73        } else if (action.equals(LocationManager.GPS_ENABLED_CHANGE_ACTION) && !enabled) {
74            // GPS is off
75            visible = false;
76            iconId = textResId = 0;
77        } else {
78            // GPS is on, but not receiving fixes
79            iconId = R.drawable.stat_sys_gps_acquiring_anim;
80            textResId = R.string.gps_notification_searching_text;
81            visible = true;
82        }
83
84        try {
85            if (visible) {
86                Notification n = new Notification.Builder(mContext)
87                    .setSmallIcon(iconId)
88                    .setContentTitle(mContext.getText(textResId))
89                    .setOngoing(true)
90                    .getNotification();
91
92                // Notification.Builder will helpfully fill these out for you no matter what you do
93                n.tickerView = null;
94                n.tickerText = null;
95
96                int[] idOut = new int[1];
97                mNotificationService.enqueueNotificationWithTagPriority(
98                        mContext.getPackageName(),
99                        null,
100                        GPS_NOTIFICATION_ID,
101                        StatusBarNotification.PRIORITY_SYSTEM, // !!!1!one!!!
102                        n,
103                        idOut);
104            } else {
105                mNotificationService.cancelNotification(
106                        mContext.getPackageName(),
107                        GPS_NOTIFICATION_ID);
108            }
109        } catch (android.os.RemoteException ex) {
110            // well, it was worth a shot
111        }
112    }
113}
114
115