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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 android.content.Context;
     18 import android.support.v7.preference.PreferenceViewHolder;
     19 import android.view.View;
     20 import android.widget.ProgressBar;
     21 
     22 import com.android.settings.widget.AppPreference;
     23 import com.android.settingslib.AppItem;
     24 import com.android.settingslib.net.UidDetail;
     25 import com.android.settingslib.net.UidDetailProvider;
     26 import com.android.settingslib.utils.ThreadUtils;
     27 
     28 public class AppDataUsagePreference extends AppPreference {
     29 
     30     private final AppItem mItem;
     31     private final int mPercent;
     32     private UidDetail mDetail;
     33 
     34     public AppDataUsagePreference(Context context, AppItem item, int percent,
     35             UidDetailProvider provider) {
     36         super(context);
     37         mItem = item;
     38         mPercent = percent;
     39 
     40         if (item.restricted && item.total <= 0) {
     41             setSummary(com.android.settings.R.string.data_usage_app_restricted);
     42         } else {
     43             setSummary(DataUsageUtils.formatDataUsage(context, item.total));
     44         }
     45         mDetail = provider.getUidDetail(item.key, false /* blocking */);
     46         if (mDetail != null) {
     47             setAppInfo();
     48         } else {
     49             ThreadUtils.postOnBackgroundThread(() -> {
     50                 mDetail = provider.getUidDetail(mItem.key, true /* blocking */);
     51                 ThreadUtils.postOnMainThread(() -> setAppInfo());
     52             });
     53         }
     54     }
     55 
     56     @Override
     57     public void onBindViewHolder(PreferenceViewHolder holder) {
     58         super.onBindViewHolder(holder);
     59         final ProgressBar progress = (ProgressBar) holder.findViewById(
     60                 android.R.id.progress);
     61 
     62         if (mItem.restricted && mItem.total <= 0) {
     63             progress.setVisibility(View.GONE);
     64         } else {
     65             progress.setVisibility(View.VISIBLE);
     66         }
     67         progress.setProgress(mPercent);
     68     }
     69 
     70     private void setAppInfo() {
     71         if (mDetail != null) {
     72             setIcon(mDetail.icon);
     73             setTitle(mDetail.label);
     74         } else {
     75             setIcon(null);
     76             setTitle(null);
     77         }
     78     }
     79 
     80     public AppItem getItem() {
     81         return mItem;
     82     }
     83 }
     84