1 /* 2 * Copyright (C) 2017 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.settings.applications; 18 19 import android.annotation.NonNull; 20 import android.content.Context; 21 import android.content.pm.ApplicationInfo; 22 import android.content.pm.PackageManager.NameNotFoundException; 23 import android.os.UserHandle; 24 import android.util.Log; 25 26 import com.android.internal.util.Preconditions; 27 import com.android.settingslib.applications.StorageStatsSource; 28 import com.android.settingslib.applications.StorageStatsSource.AppStorageStats; 29 import com.android.settingslib.utils.AsyncLoaderCompat; 30 31 import java.io.IOException; 32 33 /** 34 * Fetches the storage stats using the StorageStatsManager for a given package and user tuple. 35 */ 36 public class FetchPackageStorageAsyncLoader extends AsyncLoaderCompat<AppStorageStats> { 37 private static final String TAG = "FetchPackageStorage"; 38 private final StorageStatsSource mSource; 39 private final ApplicationInfo mInfo; 40 private final UserHandle mUser; 41 FetchPackageStorageAsyncLoader(Context context, @NonNull StorageStatsSource source, @NonNull ApplicationInfo info, @NonNull UserHandle user)42 public FetchPackageStorageAsyncLoader(Context context, @NonNull StorageStatsSource source, 43 @NonNull ApplicationInfo info, @NonNull UserHandle user) { 44 super(context); 45 mSource = Preconditions.checkNotNull(source); 46 mInfo = info; 47 mUser = user; 48 } 49 50 @Override loadInBackground()51 public AppStorageStats loadInBackground() { 52 AppStorageStats result = null; 53 try { 54 result = mSource.getStatsForPackage(mInfo.volumeUuid, mInfo.packageName, mUser); 55 } catch (NameNotFoundException | IOException e) { 56 Log.w(TAG, "Package may have been removed during query, failing gracefully", e); 57 } 58 return result; 59 } 60 61 @Override onDiscardResult(AppStorageStats result)62 protected void onDiscardResult(AppStorageStats result) { 63 } 64 } 65