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.support.v7.preference.Preference; 20 import android.support.v7.preference.PreferenceScreen; 21 import android.text.format.DateUtils; 22 import android.text.format.Formatter; 23 24 import com.android.settings.R; 25 import com.android.settings.core.PreferenceControllerMixin; 26 import com.android.settingslib.Utils; 27 import com.android.settingslib.core.AbstractPreferenceController; 28 29 /** 30 * Handles the wall of text which appears below the options in the Storage Management settings drill 31 * down. 32 */ 33 public class AutomaticStorageManagerDescriptionPreferenceController 34 extends AbstractPreferenceController implements PreferenceControllerMixin { 35 private static final String KEY_FREED = "freed_bytes"; 36 AutomaticStorageManagerDescriptionPreferenceController(Context context)37 public AutomaticStorageManagerDescriptionPreferenceController(Context context) { 38 super(context); 39 } 40 41 @Override isAvailable()42 public boolean isAvailable() { 43 return true; 44 } 45 46 @Override getPreferenceKey()47 public String getPreferenceKey() { 48 return KEY_FREED; 49 } 50 51 @Override displayPreference(PreferenceScreen screen)52 public void displayPreference(PreferenceScreen screen) { 53 Preference preference = screen.findPreference(getPreferenceKey()); 54 final Context context = preference.getContext(); 55 ContentResolver cr = context.getContentResolver(); 56 long freedBytes = 57 Settings.Secure.getLong( 58 cr, Settings.Secure.AUTOMATIC_STORAGE_MANAGER_BYTES_CLEARED, 0); 59 long lastRunMillis = 60 Settings.Secure.getLong(cr, Settings.Secure.AUTOMATIC_STORAGE_MANAGER_LAST_RUN, 0); 61 if (freedBytes == 0 || lastRunMillis == 0 || !Utils.isStorageManagerEnabled(context)) { 62 preference.setSummary(R.string.automatic_storage_manager_text); 63 } else { 64 preference.setSummary( 65 context.getString( 66 R.string.automatic_storage_manager_freed_bytes, 67 Formatter.formatFileSize(context, freedBytes), 68 DateUtils.formatDateTime( 69 context, lastRunMillis, DateUtils.FORMAT_SHOW_DATE))); 70 } 71 } 72 } 73