1 /* 2 * Copyright (C) 2019 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.car.developeroptions.applications.appinfo; 18 19 import android.content.Context; 20 import android.content.pm.ApplicationInfo; 21 import android.os.Bundle; 22 import android.os.UserHandle; 23 import android.text.format.Formatter; 24 25 import androidx.annotation.VisibleForTesting; 26 import androidx.loader.app.LoaderManager; 27 import androidx.loader.content.Loader; 28 import androidx.preference.Preference; 29 30 import com.android.car.developeroptions.R; 31 import com.android.car.developeroptions.SettingsPreferenceFragment; 32 import com.android.car.developeroptions.applications.AppStorageSettings; 33 import com.android.car.developeroptions.applications.FetchPackageStorageAsyncLoader; 34 import com.android.settingslib.applications.StorageStatsSource; 35 import com.android.settingslib.core.lifecycle.LifecycleObserver; 36 import com.android.settingslib.core.lifecycle.events.OnPause; 37 import com.android.settingslib.core.lifecycle.events.OnResume; 38 39 public class AppStoragePreferenceController extends AppInfoPreferenceControllerBase 40 implements LoaderManager.LoaderCallbacks<StorageStatsSource.AppStorageStats>, 41 LifecycleObserver, OnResume, OnPause { 42 43 private StorageStatsSource.AppStorageStats mLastResult; 44 AppStoragePreferenceController(Context context, String key)45 public AppStoragePreferenceController(Context context, String key) { 46 super(context, key); 47 } 48 49 @Override updateState(Preference preference)50 public void updateState(Preference preference) { 51 final boolean isExternal = 52 (mParent.getAppEntry().info.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 53 preference.setSummary(getStorageSummary(mLastResult, isExternal)); 54 } 55 56 @Override onResume()57 public void onResume() { 58 mParent.getLoaderManager().restartLoader(mParent.LOADER_STORAGE, Bundle.EMPTY, this); 59 } 60 61 @Override onPause()62 public void onPause() { 63 mParent.getLoaderManager().destroyLoader(mParent.LOADER_STORAGE); 64 } 65 66 @Override getDetailFragmentClass()67 protected Class<? extends SettingsPreferenceFragment> getDetailFragmentClass() { 68 return AppStorageSettings.class; 69 } 70 71 @VisibleForTesting getStorageSummary( StorageStatsSource.AppStorageStats stats, boolean isExternal)72 CharSequence getStorageSummary( 73 StorageStatsSource.AppStorageStats stats, boolean isExternal) { 74 if (stats == null) { 75 return mContext.getText(R.string.computing_size); 76 } 77 final CharSequence storageType = mContext.getString(isExternal 78 ? R.string.storage_type_external 79 : R.string.storage_type_internal); 80 return mContext.getString(R.string.storage_summary_format, 81 Formatter.formatFileSize(mContext, stats.getTotalBytes()), 82 storageType.toString().toLowerCase()); 83 } 84 85 @Override onCreateLoader(int id, Bundle args)86 public Loader<StorageStatsSource.AppStorageStats> onCreateLoader(int id, Bundle args) { 87 return new FetchPackageStorageAsyncLoader(mContext, new StorageStatsSource(mContext), 88 mParent.getAppEntry().info, UserHandle.of(UserHandle.myUserId())); 89 } 90 91 @Override onLoadFinished(Loader<StorageStatsSource.AppStorageStats> loader, StorageStatsSource.AppStorageStats result)92 public void onLoadFinished(Loader<StorageStatsSource.AppStorageStats> loader, 93 StorageStatsSource.AppStorageStats result) { 94 mLastResult = result; 95 updateState(mPreference); 96 } 97 98 @Override onLoaderReset(Loader<StorageStatsSource.AppStorageStats> loader)99 public void onLoaderReset(Loader<StorageStatsSource.AppStorageStats> loader) { 100 } 101 102 } 103