Home | History | Annotate | Download | only in task 
      1 /*
      2  * Copyright 2018, 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 
     17 package com.android.managedprovisioning.task;
     18 
     19 import android.content.Context;
     20 import android.os.Handler;
     21 import android.provider.Settings;
     22 
     23 import com.android.managedprovisioning.R;
     24 import com.android.managedprovisioning.common.ProvisionLogger;
     25 import com.android.managedprovisioning.common.Utils;
     26 import com.android.managedprovisioning.model.ProvisioningParams;
     27 import com.android.managedprovisioning.task.wifi.NetworkMonitor;
     28 
     29 /**
     30  * A task that enables mobile data and waits for it to successfully connect. If connection times out
     31  * {@link #error(int)} will be called.
     32  */
     33 public class ConnectMobileNetworkTask extends AbstractProvisioningTask
     34         implements NetworkMonitor.NetworkConnectedCallback {
     35     private static final int RECONNECT_TIMEOUT_MS = 60000;
     36 
     37     private final NetworkMonitor mNetworkMonitor;
     38 
     39     private Handler mHandler;
     40     private boolean mTaskDone = false;
     41 
     42     private final Utils mUtils;
     43     private Runnable mTimeoutRunnable;
     44 
     45     public ConnectMobileNetworkTask(
     46             Context context,
     47             ProvisioningParams provisioningParams,
     48             Callback callback) {
     49         super(context, provisioningParams, callback);
     50         mNetworkMonitor = new NetworkMonitor(context);
     51         mUtils = new Utils();
     52     }
     53 
     54     @Override
     55     public void run(int userId) {
     56         Settings.Global.putInt(mContext.getContentResolver(),
     57                 Settings.Global.DEVICE_PROVISIONING_MOBILE_DATA_ENABLED, 1);
     58 
     59         if (mUtils.isConnectedToNetwork(mContext)) {
     60             success();
     61             return;
     62         }
     63 
     64         mTaskDone = false;
     65         mHandler = new Handler();
     66         mNetworkMonitor.startListening(this);
     67 
     68         // NetworkMonitor will call onNetworkConnected.
     69         // Post time out event in case the NetworkMonitor doesn't call back.
     70         mTimeoutRunnable = () -> finishTask(false);
     71         mHandler.postDelayed(mTimeoutRunnable, RECONNECT_TIMEOUT_MS);
     72     }
     73 
     74     @Override
     75     public int getStatusMsgId() {
     76         return R.string.progress_connect_to_mobile_network;
     77     }
     78 
     79     @Override
     80     public void onNetworkConnected() {
     81         ProvisionLogger.logd("onNetworkConnected");
     82         if (mUtils.isConnectedToNetwork(mContext)) {
     83             ProvisionLogger.logd("Connected to the mobile network");
     84             finishTask(true);
     85             // Remove time out callback.
     86             mHandler.removeCallbacks(mTimeoutRunnable);
     87         }
     88     }
     89 
     90     private synchronized void finishTask(boolean isSuccess) {
     91         if (mTaskDone) {
     92             return;
     93         }
     94 
     95         mTaskDone = true;
     96         mNetworkMonitor.stopListening();
     97         if (isSuccess) {
     98             success();
     99         } else {
    100             error(0);
    101         }
    102     }
    103 }
    104