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.settings.sim;
18
19import com.android.internal.telephony.IccCardConstants;
20import com.android.settings.R;
21import com.android.settings.Settings.SimSettingsActivity;
22
23import android.app.NotificationManager;
24import android.app.PendingIntent;
25import android.content.BroadcastReceiver;
26import android.content.Context;
27import android.content.Intent;
28import android.content.res.Resources;
29import android.provider.Settings;
30import android.support.v4.app.NotificationCompat;
31import android.telephony.SubscriptionInfo;
32import android.telephony.SubscriptionManager;
33import android.telephony.TelephonyManager;
34import android.util.Log;
35
36import java.util.List;
37
38public class SimSelectNotification extends BroadcastReceiver {
39    private static final String TAG = "SimSelectNotification";
40    private static final int NOTIFICATION_ID = 1;
41
42    @Override
43    public void onReceive(Context context, Intent intent) {
44        final TelephonyManager telephonyManager = (TelephonyManager)
45                context.getSystemService(Context.TELEPHONY_SERVICE);
46        final SubscriptionManager subscriptionManager = SubscriptionManager.from(context);
47        final int numSlots = telephonyManager.getSimCount();
48        final boolean isInProvisioning = Settings.Global.getInt(context.getContentResolver(),
49                Settings.Global.DEVICE_PROVISIONED, 0) == 0;
50
51        // Do not create notifications on single SIM devices or when provisiong i.e. Setup Wizard.
52        if (numSlots < 2 || isInProvisioning) {
53            return;
54        }
55
56        // Cancel any previous notifications
57        cancelNotification(context);
58
59        // If sim state is not ABSENT or LOADED then ignore
60        String simStatus = intent.getStringExtra(IccCardConstants.INTENT_KEY_ICC_STATE);
61        if (!(IccCardConstants.INTENT_VALUE_ICC_ABSENT.equals(simStatus) ||
62                IccCardConstants.INTENT_VALUE_ICC_LOADED.equals(simStatus))) {
63            Log.d(TAG, "sim state is not Absent or Loaded");
64            return;
65        } else {
66            Log.d(TAG, "simstatus = " + simStatus);
67        }
68
69        int state;
70        for (int i = 0; i < numSlots; i++) {
71            state = telephonyManager.getSimState(i);
72            if (!(state == TelephonyManager.SIM_STATE_ABSENT
73                    || state == TelephonyManager.SIM_STATE_READY
74                    || state == TelephonyManager.SIM_STATE_UNKNOWN)) {
75                Log.d(TAG, "All sims not in valid state yet");
76                return;
77            }
78        }
79
80        List<SubscriptionInfo> sil = subscriptionManager.getActiveSubscriptionInfoList();
81        if (sil == null || sil.size() < 1) {
82            Log.d(TAG, "Subscription list is empty");
83            return;
84        }
85
86        // Clear defaults for any subscriptions which no longer exist
87        subscriptionManager.clearDefaultsForInactiveSubIds();
88
89        boolean dataSelected = SubscriptionManager.isUsableSubIdValue(
90                SubscriptionManager.getDefaultDataSubId());
91        boolean smsSelected = SubscriptionManager.isUsableSubIdValue(
92                SubscriptionManager.getDefaultSmsSubId());
93
94        // If data and sms defaults are selected, dont show notification (Calls default is optional)
95        if (dataSelected && smsSelected) {
96            Log.d(TAG, "Data & SMS default sims are selected. No notification");
97            return;
98        }
99
100        // Create a notification to tell the user that some defaults are missing
101        createNotification(context);
102
103        if (sil.size() == 1) {
104            // If there is only one subscription, ask if user wants to use if for everything
105            Intent newIntent = new Intent(context, SimDialogActivity.class);
106            newIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
107            newIntent.putExtra(SimDialogActivity.DIALOG_TYPE_KEY, SimDialogActivity.PREFERRED_PICK);
108            newIntent.putExtra(SimDialogActivity.PREFERRED_SIM, sil.get(0).getSimSlotIndex());
109            context.startActivity(newIntent);
110        } else if (!dataSelected) {
111            // If there are mulitple, ensure they pick default data
112            Intent newIntent = new Intent(context, SimDialogActivity.class);
113            newIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
114            newIntent.putExtra(SimDialogActivity.DIALOG_TYPE_KEY, SimDialogActivity.DATA_PICK);
115            context.startActivity(newIntent);
116        }
117    }
118
119    private void createNotification(Context context){
120        final Resources resources = context.getResources();
121        NotificationCompat.Builder builder =
122                new NotificationCompat.Builder(context)
123                .setSmallIcon(R.drawable.ic_sim_card_alert_white_48dp)
124                .setColor(context.getColor(R.color.sim_noitification))
125                .setContentTitle(resources.getString(R.string.sim_notification_title))
126                .setContentText(resources.getString(R.string.sim_notification_summary));
127        Intent resultIntent = new Intent(context, SimSettingsActivity.class);
128        resultIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
129        PendingIntent resultPendingIntent = PendingIntent.getActivity(context, 0, resultIntent,
130                PendingIntent.FLAG_CANCEL_CURRENT);
131        builder.setContentIntent(resultPendingIntent);
132        NotificationManager notificationManager =
133                (NotificationManager) context.getSystemService(Context.NOTIFICATION_SERVICE);
134        notificationManager.notify(NOTIFICATION_ID, builder.build());
135    }
136
137    public static void cancelNotification(Context context) {
138        NotificationManager notificationManager =
139                (NotificationManager) context.getSystemService(Context.NOTIFICATION_SERVICE);
140        notificationManager.cancel(NOTIFICATION_ID);
141    }
142}
143