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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.storagemanager.deletionhelper;
     16 
     17 import android.content.Context;
     18 import android.support.v7.preference.CheckBoxPreference;
     19 import android.support.v7.preference.Preference;
     20 import android.support.v7.preference.PreferenceViewHolder;
     21 import android.text.format.Formatter;
     22 import android.view.View;
     23 import android.widget.CheckBox;
     24 import android.widget.Switch;
     25 import android.widget.TextView;
     26 import com.android.storagemanager.deletionhelper.AppStateUsageStatsBridge.UsageStatsState;
     27 import com.android.storagemanager.R;
     28 
     29 import com.android.settingslib.applications.ApplicationsState;
     30 import com.android.settingslib.applications.ApplicationsState.AppEntry;
     31 
     32 /**
     33  * Preference item for an app with a switch to signify if it should be uninstalled.
     34  * This shows the name and icon of the app along with the days since its last use.
     35  */
     36 public class AppDeletionPreference extends NestedCheckboxPreference {
     37     private AppEntry mEntry;
     38     private Context mContext;
     39 
     40     public AppDeletionPreference(Context context, AppEntry item) {
     41         super(context);
     42         mEntry = item;
     43         mContext = context;
     44         setIcon(item.icon);
     45         setTitle(item.label);
     46     }
     47 
     48     @Override
     49     public void onBindViewHolder(PreferenceViewHolder holder) {
     50         super.onBindViewHolder(holder);
     51         holder.setDividerAllowedAbove(false);
     52     }
     53 
     54     /**
     55      * Returns the package name for the app that these preference represents.
     56      */
     57     public String getPackageName() {
     58         synchronized(mEntry) {
     59             return mEntry.info.packageName;
     60         }
     61     }
     62 
     63     public void updateSummary() {
     64         if (mEntry.extraInfo == null) return;
     65         if (mEntry.size == ApplicationsState.SIZE_UNKNOWN ||
     66                 mEntry.size == ApplicationsState.SIZE_INVALID) {
     67             return;
     68         }
     69 
     70         UsageStatsState extraData = (UsageStatsState) mEntry.extraInfo;
     71         String fileSize = Formatter.formatFileSize(mContext, mEntry.size);
     72         if (extraData.daysSinceLastUse == AppStateUsageStatsBridge.NEVER_USED) {
     73             setSummary(mContext.getString(R.string.deletion_helper_app_summary_never_used,
     74                     fileSize));
     75         } else if (extraData.daysSinceLastUse == AppStateUsageStatsBridge.UNKNOWN_LAST_USE) {
     76             setSummary(mContext.getString(R.string.deletion_helper_app_summary_unknown_used,
     77                     fileSize));
     78         } else {
     79             setSummary(mContext.getString(R.string.deletion_helper_app_summary,
     80                     fileSize,
     81                     extraData.daysSinceLastUse));
     82         }
     83     }
     84 
     85 }
     86