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      1 /*
      2  * Copyright (C) 2016 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file
      5  * except in compliance with the License. You may obtain a copy of the License at
      6  *
      7  *      http://www.apache.org/licenses/LICENSE-2.0
      8  *
      9  * Unless required by applicable law or agreed to in writing, software distributed under the
     10  * License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
     11  * KIND, either express or implied. See the License for the specific language governing
     12  * permissions and limitations under the License.
     13  */
     14 
     15 package com.android.settings.datausage;
     16 
     17 import static android.net.NetworkPolicy.CYCLE_NONE;
     18 
     19 import android.content.Context;
     20 import android.content.Intent;
     21 import android.net.NetworkTemplate;
     22 import android.os.Bundle;
     23 import android.os.RemoteException;
     24 import android.support.v7.preference.Preference;
     25 import android.util.AttributeSet;
     26 
     27 import com.android.internal.logging.nano.MetricsProto;
     28 import com.android.settings.R;
     29 import com.android.settings.Utils;
     30 import com.android.settings.datausage.CellDataPreference.DataStateListener;
     31 
     32 public class BillingCyclePreference extends Preference implements TemplatePreference {
     33 
     34     private NetworkTemplate mTemplate;
     35     private NetworkServices mServices;
     36     private int mSubId;
     37 
     38     public BillingCyclePreference(Context context, AttributeSet attrs) {
     39         super(context, attrs);
     40     }
     41 
     42     @Override
     43     public void onAttached() {
     44         super.onAttached();
     45         mListener.setListener(true, mSubId, getContext());
     46     }
     47 
     48     @Override
     49     public void onDetached() {
     50         mListener.setListener(false, mSubId, getContext());
     51         super.onDetached();
     52     }
     53 
     54     @Override
     55     public void setTemplate(NetworkTemplate template, int subId,
     56             NetworkServices services) {
     57         mTemplate = template;
     58         mSubId = subId;
     59         mServices = services;
     60         final int cycleDay = services.mPolicyEditor.getPolicyCycleDay(mTemplate);
     61         if (cycleDay != CYCLE_NONE) {
     62             setSummary(getContext().getString(R.string.billing_cycle_fragment_summary, cycleDay));
     63         } else {
     64             setSummary(null);
     65         }
     66         setIntent(getIntent());
     67     }
     68 
     69     private void updateEnabled() {
     70         try {
     71             setEnabled(mServices.mNetworkService.isBandwidthControlEnabled()
     72                     && mServices.mTelephonyManager.getDataEnabled(mSubId)
     73                     && mServices.mUserManager.isAdminUser());
     74         } catch (RemoteException e) {
     75             setEnabled(false);
     76         }
     77     }
     78 
     79     @Override
     80     public Intent getIntent() {
     81         Bundle args = new Bundle();
     82         args.putParcelable(DataUsageList.EXTRA_NETWORK_TEMPLATE, mTemplate);
     83         return Utils.onBuildStartFragmentIntent(getContext(), BillingCycleSettings.class.getName(),
     84                 args, null, 0, getTitle(), false, MetricsProto.MetricsEvent.VIEW_UNKNOWN);
     85     }
     86 
     87     private final DataStateListener mListener = new DataStateListener() {
     88         @Override
     89         public void onChange(boolean selfChange) {
     90             updateEnabled();
     91         }
     92     };
     93 }
     94