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      1 /*
      2  * Copyright (C) 2015 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at
      5  *
      6  *      http://www.apache.org/licenses/LICENSE-2.0
      7  *
      8  * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.
      9  */
     10 
     11 package com.android.settings.dashboard.conditional;
     12 
     13 import android.content.BroadcastReceiver;
     14 import android.content.Context;
     15 import android.content.Intent;
     16 import android.content.IntentFilter;
     17 import android.graphics.drawable.Icon;
     18 import android.net.ConnectivityManager;
     19 import android.telephony.TelephonyManager;
     20 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
     21 import com.android.internal.telephony.TelephonyIntents;
     22 import com.android.settings.R;
     23 import com.android.settings.Settings;
     24 
     25 public class CellularDataCondition extends Condition {
     26 
     27     private final Receiver mReceiver;
     28 
     29     private static final IntentFilter DATA_CONNECTION_FILTER =
     30         new IntentFilter(TelephonyIntents.ACTION_ANY_DATA_CONNECTION_STATE_CHANGED);
     31 
     32     public CellularDataCondition(ConditionManager manager) {
     33         super(manager);
     34         mReceiver = new Receiver();
     35     }
     36 
     37     @Override
     38     public void refreshState() {
     39         ConnectivityManager connectivity = mManager.getContext().getSystemService(
     40                 ConnectivityManager.class);
     41         TelephonyManager telephony = mManager.getContext().getSystemService(TelephonyManager.class);
     42         if (!connectivity.isNetworkSupported(ConnectivityManager.TYPE_MOBILE)
     43                 || telephony.getSimState() != TelephonyManager.SIM_STATE_READY) {
     44             setActive(false);
     45             return;
     46         }
     47         setActive(!telephony.isDataEnabled());
     48     }
     49 
     50     @Override
     51     protected BroadcastReceiver getReceiver() {
     52         return mReceiver;
     53     }
     54 
     55     @Override
     56     protected IntentFilter getIntentFilter() {
     57         return DATA_CONNECTION_FILTER;
     58     }
     59 
     60     @Override
     61     public Icon getIcon() {
     62         return Icon.createWithResource(mManager.getContext(), R.drawable.ic_cellular_off);
     63     }
     64 
     65     @Override
     66     public CharSequence getTitle() {
     67         return mManager.getContext().getString(R.string.condition_cellular_title);
     68     }
     69 
     70     @Override
     71     public CharSequence getSummary() {
     72         return mManager.getContext().getString(R.string.condition_cellular_summary);
     73     }
     74 
     75     @Override
     76     public CharSequence[] getActions() {
     77         return new CharSequence[] { mManager.getContext().getString(R.string.condition_turn_on) };
     78     }
     79 
     80     @Override
     81     public void onPrimaryClick() {
     82         mManager.getContext().startActivity(new Intent(mManager.getContext(),
     83                 Settings.DataUsageSummaryActivity.class));
     84     }
     85 
     86     @Override
     87     public void onActionClick(int index) {
     88         if (index == 0) {
     89             TelephonyManager telephony = mManager.getContext().getSystemService(
     90                     TelephonyManager.class);
     91             telephony.setDataEnabled(true);
     92             setActive(false);
     93         } else {
     94             throw new IllegalArgumentException("Unexpected index " + index);
     95         }
     96     }
     97 
     98     @Override
     99     public int getMetricsConstant() {
    100         return MetricsEvent.SETTINGS_CONDITION_CELLULAR_DATA;
    101     }
    102 
    103     public static class Receiver extends BroadcastReceiver {
    104         @Override
    105         public void onReceive(Context context, Intent intent) {
    106             if (TelephonyIntents.ACTION_ANY_DATA_CONNECTION_STATE_CHANGED.equals(
    107                     intent.getAction())) {
    108                 CellularDataCondition condition = ConditionManager.get(context).getCondition(
    109                         CellularDataCondition.class);
    110                 if (condition != null) {
    111                     condition.refreshState();
    112                 }
    113             }
    114         }
    115     }
    116 }
    117