1 /* 2 * Copyright (C) 2016 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; 18 19 /** 20 * Note: These methods currently take characters as arguments. For future planned language support, 21 * they will need to be changed to use codepoints instead of characters. 22 * 23 * <p>http://docs.oracle.com/javase/6/docs/api/java/lang/String.html#codePointAt(int) 24 * 25 * <p>If/when this change is made, LatinSmartDialMap(which operates on chars) will continue to work 26 * by simply casting from a codepoint to a character. 27 */ 28 public interface SmartDialMap { 29 30 /* 31 * Returns true if the provided character can be mapped to a key on the dialpad 32 */ isValidDialpadCharacter(char ch)33 boolean isValidDialpadCharacter(char ch); 34 35 /* 36 * Returns true if the provided character is a letter, and can be mapped to a key on the dialpad 37 */ isValidDialpadAlphabeticChar(char ch)38 boolean isValidDialpadAlphabeticChar(char ch); 39 40 /* 41 * Returns true if the provided character is a digit, and can be mapped to a key on the dialpad 42 */ isValidDialpadNumericChar(char ch)43 boolean isValidDialpadNumericChar(char ch); 44 45 /* 46 * Get the index of the key on the dialpad which the character corresponds to 47 */ getDialpadIndex(char ch)48 byte getDialpadIndex(char ch); 49 50 /* 51 * Get the actual numeric character on the dialpad which the character corresponds to 52 */ getDialpadNumericCharacter(char ch)53 char getDialpadNumericCharacter(char ch); 54 55 /* 56 * Converts uppercase characters to lower case ones, and on a best effort basis, strips accents 57 * from accented characters. 58 */ normalizeCharacter(char ch)59 char normalizeCharacter(char ch); 60 } 61