| /* |
| * Copyright (C) 2017 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.settings.applications.appinfo; |
| |
| import android.app.LoaderManager; |
| import android.content.Context; |
| import android.content.Loader; |
| import android.content.pm.ApplicationInfo; |
| import android.os.Bundle; |
| import android.os.UserHandle; |
| import androidx.annotation.VisibleForTesting; |
| import androidx.preference.Preference; |
| import android.text.format.Formatter; |
| |
| import com.android.settings.R; |
| import com.android.settings.SettingsPreferenceFragment; |
| import com.android.settings.applications.AppStorageSettings; |
| import com.android.settings.applications.FetchPackageStorageAsyncLoader; |
| import com.android.settingslib.applications.StorageStatsSource; |
| import com.android.settingslib.core.lifecycle.LifecycleObserver; |
| import com.android.settingslib.core.lifecycle.events.OnPause; |
| import com.android.settingslib.core.lifecycle.events.OnResume; |
| |
| public class AppStoragePreferenceController extends AppInfoPreferenceControllerBase |
| implements LoaderManager.LoaderCallbacks<StorageStatsSource.AppStorageStats>, |
| LifecycleObserver, OnResume, OnPause { |
| |
| private StorageStatsSource.AppStorageStats mLastResult; |
| |
| public AppStoragePreferenceController(Context context, String key) { |
| super(context, key); |
| } |
| |
| @Override |
| public void updateState(Preference preference) { |
| final boolean isExternal = |
| (mParent.getAppEntry().info.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; |
| preference.setSummary(getStorageSummary(mLastResult, isExternal)); |
| } |
| |
| @Override |
| public void onResume() { |
| mParent.getLoaderManager().restartLoader(mParent.LOADER_STORAGE, Bundle.EMPTY, this); |
| } |
| |
| @Override |
| public void onPause() { |
| mParent.getLoaderManager().destroyLoader(mParent.LOADER_STORAGE); |
| } |
| |
| @Override |
| protected Class<? extends SettingsPreferenceFragment> getDetailFragmentClass() { |
| return AppStorageSettings.class; |
| } |
| |
| @VisibleForTesting |
| CharSequence getStorageSummary( |
| StorageStatsSource.AppStorageStats stats, boolean isExternal) { |
| if (stats == null) { |
| return mContext.getText(R.string.computing_size); |
| } |
| final CharSequence storageType = mContext.getString(isExternal |
| ? R.string.storage_type_external |
| : R.string.storage_type_internal); |
| return mContext.getString(R.string.storage_summary_format, |
| Formatter.formatFileSize(mContext, stats.getTotalBytes()), |
| storageType.toString().toLowerCase()); |
| } |
| |
| @Override |
| public Loader<StorageStatsSource.AppStorageStats> onCreateLoader(int id, Bundle args) { |
| return new FetchPackageStorageAsyncLoader(mContext, new StorageStatsSource(mContext), |
| mParent.getAppEntry().info, UserHandle.of(UserHandle.myUserId())); |
| } |
| |
| @Override |
| public void onLoadFinished(Loader<StorageStatsSource.AppStorageStats> loader, |
| StorageStatsSource.AppStorageStats result) { |
| mLastResult = result; |
| updateState(mPreference); |
| } |
| |
| @Override |
| public void onLoaderReset(Loader<StorageStatsSource.AppStorageStats> loader) { |
| } |
| |
| } |