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 android.content.Context;
18 import android.content.Intent;
19 import android.net.NetworkPolicy;
20 import android.net.NetworkTemplate;
21 import android.os.Bundle;
22 import android.os.RemoteException;
23 import android.support.v7.preference.Preference;
24 import android.util.AttributeSet;
25 
26 import com.android.internal.logging.nano.MetricsProto;
27 import com.android.settings.R;
28 import com.android.settings.Utils;
29 import com.android.settings.datausage.CellDataPreference.DataStateListener;
30 
31 public class BillingCyclePreference extends Preference implements TemplatePreference {
32 
33     private NetworkTemplate mTemplate;
34     private NetworkServices mServices;
35     private NetworkPolicy mPolicy;
36     private int mSubId;
37 
BillingCyclePreference(Context context, AttributeSet attrs)38     public BillingCyclePreference(Context context, AttributeSet attrs) {
39         super(context, attrs);
40     }
41 
42     @Override
onAttached()43     public void onAttached() {
44         super.onAttached();
45         mListener.setListener(true, mSubId, getContext());
46     }
47 
48     @Override
onDetached()49     public void onDetached() {
50         mListener.setListener(false, mSubId, getContext());
51         super.onDetached();
52     }
53 
54     @Override
setTemplate(NetworkTemplate template, int subId, NetworkServices services)55     public void setTemplate(NetworkTemplate template, int subId,
56             NetworkServices services) {
57         mTemplate = template;
58         mSubId = subId;
59         mServices = services;
60         mPolicy = services.mPolicyEditor.getPolicy(mTemplate);
61         setSummary(getContext().getString(R.string.billing_cycle_fragment_summary, mPolicy != null
62                 ? mPolicy.cycleDay
63                 : "1"));
64         setIntent(getIntent());
65     }
66 
updateEnabled()67     private void updateEnabled() {
68         try {
69             setEnabled(mPolicy != null && mServices.mNetworkService.isBandwidthControlEnabled()
70                     && mServices.mTelephonyManager.getDataEnabled(mSubId)
71                     && mServices.mUserManager.isAdminUser());
72         } catch (RemoteException e) {
73             setEnabled(false);
74         }
75     }
76 
77     @Override
getIntent()78     public Intent getIntent() {
79         Bundle args = new Bundle();
80         args.putParcelable(DataUsageList.EXTRA_NETWORK_TEMPLATE, mTemplate);
81         return Utils.onBuildStartFragmentIntent(getContext(), BillingCycleSettings.class.getName(),
82                 args, null, 0, getTitle(), false, MetricsProto.MetricsEvent.VIEW_UNKNOWN);
83     }
84 
85     private final DataStateListener mListener = new DataStateListener() {
86         @Override
87         public void onChange(boolean selfChange) {
88             updateEnabled();
89         }
90     };
91 }
92