1 /* 2 * Copyright (C) 2015 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.deskclock.uidata; 18 19 import android.content.SharedPreferences; 20 21 import static com.android.deskclock.uidata.UiDataModel.Tab; 22 23 /** 24 * This class encapsulates the storage of tab data in {@link SharedPreferences}. 25 */ 26 final class TabDAO { 27 28 /** Key to a preference that stores the ordinal of the selected tab. */ 29 private static final String KEY_SELECTED_TAB = "selected_tab"; 30 31 private TabDAO() {} 32 33 /** 34 * @return an enumerated value indicating the currently selected primary tab 35 */ 36 static Tab getSelectedTab(SharedPreferences prefs) { 37 final int ordinal = prefs.getInt(KEY_SELECTED_TAB, Tab.CLOCKS.ordinal()); 38 return Tab.values()[ordinal]; 39 } 40 41 /** 42 * @param tab an enumerated value indicating the newly selected primary tab 43 */ 44 static void setSelectedTab(SharedPreferences prefs, Tab tab) { 45 prefs.edit().putInt(KEY_SELECTED_TAB, tab.ordinal()).apply(); 46 } 47 }