1 /** 2 * Copyright (C) 2017 The Android Open Source Project 3 * 4 * <p>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 * <p>http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * <p>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 KIND, either 11 * express or implied. See the License for the specific language governing permissions and 12 * limitations under the License. 13 */ 14 package com.android.settings.deletionhelper; 15 16 import android.content.ContentResolver; 17 import android.content.Context; 18 import android.provider.Settings; 19 import android.text.format.DateUtils; 20 import android.text.format.Formatter; 21 22 import androidx.preference.Preference; 23 import androidx.preference.PreferenceScreen; 24 25 import com.android.settings.R; 26 import com.android.settings.core.PreferenceControllerMixin; 27 import com.android.settingslib.Utils; 28 import com.android.settingslib.core.AbstractPreferenceController; 29 30 /** 31 * Handles the wall of text which appears below the options in the Storage Management settings drill 32 * down. 33 */ 34 public class AutomaticStorageManagerDescriptionPreferenceController 35 extends AbstractPreferenceController implements PreferenceControllerMixin { 36 private static final String KEY_FREED = "freed_bytes"; 37 AutomaticStorageManagerDescriptionPreferenceController(Context context)38 public AutomaticStorageManagerDescriptionPreferenceController(Context context) { 39 super(context); 40 } 41 42 @Override isAvailable()43 public boolean isAvailable() { 44 return true; 45 } 46 47 @Override getPreferenceKey()48 public String getPreferenceKey() { 49 return KEY_FREED; 50 } 51 52 @Override displayPreference(PreferenceScreen screen)53 public void displayPreference(PreferenceScreen screen) { 54 Preference preference = screen.findPreference(getPreferenceKey()); 55 final Context context = preference.getContext(); 56 ContentResolver cr = context.getContentResolver(); 57 long freedBytes = 58 Settings.Secure.getLong( 59 cr, Settings.Secure.AUTOMATIC_STORAGE_MANAGER_BYTES_CLEARED, 0); 60 long lastRunMillis = 61 Settings.Secure.getLong(cr, Settings.Secure.AUTOMATIC_STORAGE_MANAGER_LAST_RUN, 0); 62 if (freedBytes == 0 || lastRunMillis == 0 || !Utils.isStorageManagerEnabled(context)) { 63 preference.setSummary(R.string.automatic_storage_manager_text); 64 } else { 65 preference.setSummary( 66 context.getString( 67 R.string.automatic_storage_manager_freed_bytes, 68 Formatter.formatFileSize(context, freedBytes), 69 DateUtils.formatDateTime( 70 context, lastRunMillis, DateUtils.FORMAT_SHOW_DATE))); 71 } 72 } 73 } 74