1 /* 2 * Copyright (C) 2017 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.dialer.smartdial.map; 18 19 import android.support.v4.util.SimpleArrayMap; 20 import com.android.dialer.dialpadview.DialpadCharMappings; 21 import com.google.common.base.Optional; 22 23 /** A {@link SmartDialMap} for the Russian alphabet. */ 24 @SuppressWarnings("Guava") 25 final class RussianSmartDialMap extends SmartDialMap { 26 27 private static RussianSmartDialMap instance; 28 29 static RussianSmartDialMap getInstance() { 30 if (instance == null) { 31 instance = new RussianSmartDialMap(); 32 } 33 34 return instance; 35 } 36 37 private RussianSmartDialMap() {} 38 39 @Override 40 Optional<Character> normalizeCharacter(char ch) { 41 ch = Character.toLowerCase(ch); 42 return isValidDialpadAlphabeticChar(ch) ? Optional.of(ch) : Optional.absent(); 43 } 44 45 @Override 46 SimpleArrayMap<Character, Character> getCharToKeyMap() { 47 return DialpadCharMappings.getCharToKeyMap("rus"); 48 } 49 } 50
