RealSystemFacade.java revision 9b4371da26f27cfa85d78e0bd4728309f9a445c9 
1package com.android.providers.downloads;
2
3import android.app.DownloadManager;
4import android.app.Notification;
5import android.app.NotificationManager;
6import android.content.Context;
7import android.content.Intent;
8import android.content.pm.PackageManager.NameNotFoundException;
9import android.net.ConnectivityManager;
10import android.net.NetworkInfo;
11import android.provider.Settings;
12import android.provider.Settings.SettingNotFoundException;
13import android.telephony.TelephonyManager;
14import android.util.Log;
15
16class RealSystemFacade implements SystemFacade {
17    private Context mContext;
18    private NotificationManager mNotificationManager;
19
20    public RealSystemFacade(Context context) {
21        mContext = context;
22        mNotificationManager = (NotificationManager)
23                mContext.getSystemService(Context.NOTIFICATION_SERVICE);
24    }
25
26    public long currentTimeMillis() {
27        return System.currentTimeMillis();
28    }
29
30    public Integer getActiveNetworkType() {
31        ConnectivityManager connectivity =
32                (ConnectivityManager) mContext.getSystemService(Context.CONNECTIVITY_SERVICE);
33        if (connectivity == null) {
34            Log.w(Constants.TAG, "couldn't get connectivity manager");
35            return null;
36        }
37
38        NetworkInfo activeInfo = connectivity.getActiveNetworkInfo();
39        if (activeInfo == null) {
40            if (Constants.LOGVV) {
41                Log.v(Constants.TAG, "network is not available");
42            }
43            return null;
44        }
45        return activeInfo.getType();
46    }
47
48    public boolean isNetworkRoaming() {
49        ConnectivityManager connectivity =
50            (ConnectivityManager) mContext.getSystemService(Context.CONNECTIVITY_SERVICE);
51        if (connectivity == null) {
52            Log.w(Constants.TAG, "couldn't get connectivity manager");
53            return false;
54        }
55
56        NetworkInfo info = connectivity.getActiveNetworkInfo();
57        boolean isMobile = (info != null && info.getType() == ConnectivityManager.TYPE_MOBILE);
58        boolean isRoaming = isMobile && TelephonyManager.getDefault().isNetworkRoaming();
59        if (Constants.LOGVV && isRoaming) {
60            Log.v(Constants.TAG, "network is roaming");
61        }
62        return isRoaming;
63    }
64
65    public Long getMaxBytesOverMobile() {
66        return DownloadManager.getMaxBytesOverMobile(mContext);
67    }
68
69    @Override
70    public Long getRecommendedMaxBytesOverMobile() {
71        return DownloadManager.getRecommendedMaxBytesOverMobile(mContext);
72    }
73
74    @Override
75    public void sendBroadcast(Intent intent) {
76        mContext.sendBroadcast(intent);
77    }
78
79    @Override
80    public boolean userOwnsPackage(int uid, String packageName) throws NameNotFoundException {
81        return mContext.getPackageManager().getApplicationInfo(packageName, 0).uid == uid;
82    }
83
84    @Override
85    public void postNotification(long id, Notification notification) {
86        /**
87         * TODO: The system notification manager takes ints, not longs, as IDs, but the download
88         * manager uses IDs take straight from the database, which are longs.  This will have to be
89         * dealt with at some point.
90         */
91        mNotificationManager.notify((int) id, notification);
92    }
93
94    @Override
95    public void cancelNotification(long id) {
96        mNotificationManager.cancel((int) id);
97    }
98
99    @Override
100    public void cancelAllNotifications() {
101        mNotificationManager.cancelAll();
102    }
103
104    @Override
105    public void startThread(Thread thread) {
106        thread.start();
107    }
108}
109