1 /* 2 * Copyright (C) 2012 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); you may not 5 * use this file except in compliance with the License. You may obtain a copy of 6 * 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, WITHOUT 12 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the 13 * License for the specific language governing permissions and limitations under 14 * the License. 15 */ 16 17 package com.android.inputmethod.keyboard.internal; 18 19 import com.android.inputmethod.keyboard.Keyboard; 20 21 import java.util.HashMap; 22 23 public class KeyboardCodesSet { 24 private static final HashMap<String, int[]> sLanguageToCodesMap = 25 new HashMap<String, int[]>(); 26 private static final HashMap<String, Integer> sNameToIdMap = new HashMap<String, Integer>(); 27 28 private int[] mCodes = DEFAULT; 29 setLanguage(final String language)30 public void setLanguage(final String language) { 31 final int[] codes = sLanguageToCodesMap.get(language); 32 mCodes = (codes != null) ? codes : DEFAULT; 33 } 34 getCode(final String name)35 public int getCode(final String name) { 36 Integer id = sNameToIdMap.get(name); 37 if (id == null) throw new RuntimeException("Unknown key code: " + name); 38 return mCodes[id]; 39 } 40 41 private static final String[] ID_TO_NAME = { 42 "key_tab", 43 "key_enter", 44 "key_space", 45 "key_shift", 46 "key_switch_alpha_symbol", 47 "key_output_text", 48 "key_delete", 49 "key_settings", 50 "key_shortcut", 51 "key_action_enter", 52 "key_action_next", 53 "key_action_previous", 54 "key_language_switch", 55 "key_unspecified", 56 "key_left_parenthesis", 57 "key_right_parenthesis", 58 "key_less_than", 59 "key_greater_than", 60 "key_left_square_bracket", 61 "key_right_square_bracket", 62 "key_left_curly_bracket", 63 "key_right_curly_bracket", 64 }; 65 66 private static final int CODE_LEFT_PARENTHESIS = '('; 67 private static final int CODE_RIGHT_PARENTHESIS = ')'; 68 private static final int CODE_LESS_THAN_SIGN = '<'; 69 private static final int CODE_GREATER_THAN_SIGN = '>'; 70 private static final int CODE_LEFT_SQUARE_BRACKET = '['; 71 private static final int CODE_RIGHT_SQUARE_BRACKET = ']'; 72 private static final int CODE_LEFT_CURLY_BRACKET = '{'; 73 private static final int CODE_RIGHT_CURLY_BRACKET = '}'; 74 75 private static final int[] DEFAULT = { 76 Keyboard.CODE_TAB, 77 Keyboard.CODE_ENTER, 78 Keyboard.CODE_SPACE, 79 Keyboard.CODE_SHIFT, 80 Keyboard.CODE_SWITCH_ALPHA_SYMBOL, 81 Keyboard.CODE_OUTPUT_TEXT, 82 Keyboard.CODE_DELETE, 83 Keyboard.CODE_SETTINGS, 84 Keyboard.CODE_SHORTCUT, 85 Keyboard.CODE_ACTION_ENTER, 86 Keyboard.CODE_ACTION_NEXT, 87 Keyboard.CODE_ACTION_PREVIOUS, 88 Keyboard.CODE_LANGUAGE_SWITCH, 89 Keyboard.CODE_UNSPECIFIED, 90 CODE_LEFT_PARENTHESIS, 91 CODE_RIGHT_PARENTHESIS, 92 CODE_LESS_THAN_SIGN, 93 CODE_GREATER_THAN_SIGN, 94 CODE_LEFT_SQUARE_BRACKET, 95 CODE_RIGHT_SQUARE_BRACKET, 96 CODE_LEFT_CURLY_BRACKET, 97 CODE_RIGHT_CURLY_BRACKET, 98 }; 99 100 private static final int[] RTL = { 101 DEFAULT[0], 102 DEFAULT[1], 103 DEFAULT[2], 104 DEFAULT[3], 105 DEFAULT[4], 106 DEFAULT[5], 107 DEFAULT[6], 108 DEFAULT[7], 109 DEFAULT[8], 110 DEFAULT[9], 111 DEFAULT[10], 112 DEFAULT[11], 113 DEFAULT[12], 114 DEFAULT[13], 115 CODE_RIGHT_PARENTHESIS, 116 CODE_LEFT_PARENTHESIS, 117 CODE_GREATER_THAN_SIGN, 118 CODE_LESS_THAN_SIGN, 119 CODE_RIGHT_SQUARE_BRACKET, 120 CODE_LEFT_SQUARE_BRACKET, 121 CODE_RIGHT_CURLY_BRACKET, 122 CODE_LEFT_CURLY_BRACKET, 123 }; 124 125 private static final String LANGUAGE_DEFAULT = "DEFAULT"; 126 private static final String LANGUAGE_ARABIC = "ar"; 127 private static final String LANGUAGE_PERSIAN = "fa"; 128 private static final String LANGUAGE_HEBREW = "iw"; 129 130 private static final Object[] LANGUAGE_AND_CODES = { 131 LANGUAGE_DEFAULT, DEFAULT, 132 LANGUAGE_ARABIC, RTL, 133 LANGUAGE_PERSIAN, RTL, 134 LANGUAGE_HEBREW, RTL, 135 }; 136 137 static { 138 for (int i = 0; i < ID_TO_NAME.length; i++) { sNameToIdMap.put(ID_TO_NAME[i], i)139 sNameToIdMap.put(ID_TO_NAME[i], i); 140 } 141 142 for (int i = 0; i < LANGUAGE_AND_CODES.length; i += 2) { 143 final String language = (String)LANGUAGE_AND_CODES[i]; 144 final int[] codes = (int[])LANGUAGE_AND_CODES[i + 1]; sLanguageToCodesMap.put(language, codes)145 sLanguageToCodesMap.put(language, codes); 146 } 147 } 148 } 149