1 /*
2  * Copyright (C) 2014 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.inputmethod.keyboard.layout;
18 
19 import com.android.inputmethod.keyboard.layout.expected.ExpectedKey;
20 import com.android.inputmethod.keyboard.layout.expected.ExpectedKeyboardBuilder;
21 import com.android.inputmethod.latin.Constants;
22 
23 import java.util.Locale;
24 
25 /**
26  * The Tamil keyboard.
27  */
28 public final class Tamil extends LayoutBase {
29     private static final String LAYOUT_NAME = "tamil";
30 
Tamil(final LayoutCustomizer customizer)31     public Tamil(final LayoutCustomizer customizer) {
32         super(customizer, Symbols.class, SymbolsShifted.class);
33     }
34 
35     @Override
getName()36     public String getName() { return LAYOUT_NAME; }
37 
38     public static class TamilCustomizer extends LayoutCustomizer {
TamilCustomizer(final Locale locale)39         public TamilCustomizer(final Locale locale) { super(locale); }
40 
41         @Override
getAlphabetKey()42         public ExpectedKey getAlphabetKey() { return TAMIL_ALPHABET_KEY; }
43 
44         @Override
getLeftShiftKeys(final boolean isPhone)45         public ExpectedKey[] getLeftShiftKeys(final boolean isPhone) {
46             return EMPTY_KEYS;
47         }
48 
49         @Override
getRightShiftKeys(final boolean isPhone)50         public ExpectedKey[] getRightShiftKeys(final boolean isPhone) {
51             return isPhone ? EMPTY_KEYS : EXCLAMATION_AND_QUESTION_MARKS;
52         }
53 
54         // U+0BA4: "த" TAMIL LETTER TA
55         // U+0BAE/U+0BBF: "மி" TAMIL LETTER MA/TAMIL VOWEL SIGN I
56         // U+0BB4/U+0BCD: "ழ்" TAMIL LETTER LLLA/TAMIL SIGN VIRAMA
57         private static final ExpectedKey TAMIL_ALPHABET_KEY = key(
58                 "\u0BA4\u0BAE\u0BBF\u0BB4\u0BCD", Constants.CODE_SWITCH_ALPHA_SYMBOL);
59     }
60 
61     @Override
getCommonAlphabetLayout(boolean isPhone)62     ExpectedKey[][] getCommonAlphabetLayout(boolean isPhone) { return ALPHABET_COMMON; }
63 
64     @Override
getCommonAlphabetShiftLayout(boolean isPhone, final int elementId)65     ExpectedKey[][] getCommonAlphabetShiftLayout(boolean isPhone, final int elementId) {
66         return null;
67     }
68 
69     private static final ExpectedKey[][] ALPHABET_COMMON = new ExpectedKeyboardBuilder()
70             .setKeysOfRow(1,
71                     // U+0B94: "ஔ" TAMIL LETTER AU
72                     // U+0BCC: "ௌ" TAMIL VOWEL SIGN AU
73                     key("\u0B94", joinMoreKeys("\u0BCC", "1")),
74                     // U+0B90: "ஐ" TAMIL LETTER AI
75                     // U+0BC8: "ை" TAMIL VOWEL SIGN AI
76                     key("\u0B90", joinMoreKeys("\u0BC8", "2")),
77                     // U+0B86: "ஆ" TAMIL LETTER AA
78                     // U+0BBE: "ா" TAMIL VOWEL SIGN AA
79                     key("\u0B86", joinMoreKeys("\u0BBE", "3")),
80                     // U+0B88: "ஈ" TAMIL LETTER II
81                     // U+0BC0: "ீ" TAMIL VOWEL SIGN II
82                     key("\u0B88", joinMoreKeys("\u0BC0", "4")),
83                     // U+0B8A: "ஊ" TAMIL LETTER UU
84                     // U+0BC2: "ூ" TAMIL VOWEL SIGN UU
85                     key("\u0B8A", joinMoreKeys("\u0BC2","5")),
86                     // U+0BAE: "ம" TAMIL LETTER MA
87                     key("\u0BAE", moreKey("6")),
88                     // U+0BA9: "ன" TAMIL LETTER NNNA
89                     key("\u0BA9", moreKey("7")),
90                     // U+0BA8: "ந" TAMIL LETTER NA
91                     key("\u0BA8", moreKey("8")),
92                     // U+0B99: "ங" TAMIL LETTER NGA
93                     key("\u0B99", moreKey("9")),
94                     // U+0BA3: "ண" TAMIL LETTER NNA
95                     key("\u0BA3", moreKey("0")),
96                     // U+0B9E: "ஞ" TAMIL LETTER NYA
97                     "\u0B9E")
98             .setKeysOfRow(2,
99                     // U+0B93: "ஓ" TAMIL LETTER OO
100                     // U+0BCB: "ோ" TAMIL VOWEL SIGN OO
101                     // U+0BD0: "ௐ" TAMIL OM
102                     key("\u0B93", joinMoreKeys("\u0BCB", "\u0BD0")),
103                     // U+0B8F: "ஏ" TAMIL LETTER EE
104                     // U+0BC7: "ே" TAMIL VOWEL SIGN EE
105                     key("\u0B8F", moreKey("\u0BC7")),
106                     // U+0B85: "அ" TAMIL LETTER A
107                     // U+0B83: "ஃ" TAMIL SIGN VISARGA
108                     key("\u0B85", moreKey("\u0B83")),
109                     // U+0B87: "இ" TAMIL LETTER I
110                     // U+0BBF: "ி" TAMIL VOWEL SIGN I
111                     key("\u0B87", moreKey("\u0BBF")),
112                     // U+0B89: "உ" TAMIL LETTER U
113                     // U+0BC1: "ு" TAMIL VOWEL SIGN U
114                     key("\u0B89", moreKey("\u0BC1")),
115                     // U+0BB1: "ற" TAMIL LETTER RRA
116                     // U+0BAA: "ப" TAMIL LETTER PA
117                     "\u0BB1", "\u0BAA",
118                     // U+0B95: "க" TAMIL LETTER KA
119                     // U+0BB9: "ஹ" TAMIL LETTER HA
120                     // U+0B95/U+0BCD/U+0BB7:
121                     //     "க்ஷ" TAMIL LETTER KA/TAMIL SIGN VIRAMA/TAMIL LETTER SSA
122                     key("\u0B95", joinMoreKeys("\u0BB9", "\u0B95\u0BCD\u0BB7")),
123                     // U+0BA4: "த" TAMIL LETTER TA
124                     "\u0BA4",
125                     // U+0B9A: "ச" TAMIL LETTER CA
126                     // U+0BB8: "ஸ" TAMIL LETTER SA
127                     // U+0BB6/U+0BCD/U+0BB0/U+0BC0:
128                     //     "ஶ்ரீ" TAMIL LETTER SHA/TAMIL SIGN VIRAMA/TAMIL LETTER RA
129                     //          /TAMIL VOWEL SIGN II
130                     key("\u0B9A", joinMoreKeys("\u0BB8", "\u0BB6\u0BCD\u0BB0\u0BC0")),
131                     // U+0B9F: "ட" TAMIL LETTER TTA
132                     "\u0B9F")
133             .setKeysOfRow(3,
134                     // U+0B92: "ஒ" TAMIL LETTER O
135                     // U+0BCA: "ொ" TAMIL VOWEL SIGN O
136                     key("\u0B92", moreKey("\u0BCA")),
137                     // U+0B8E: "எ" TAMIL LETTER E
138                     // U+0BC6: "ெ" TAMIL VOWEL SIGN E
139                     key("\u0B8E", moreKey("\u0BC6")),
140                     // U+0BCD: "்" TAMIL SIGN VIRAMA
141                     // U+0BB0: "ர" TAMIL LETTER RA
142                     // U+0BB5: "வ" TAMIL LETTER VA
143                     // U+0BB4: "ழ TAMIL LETTER LLLA
144                     // U+0BB2: "ல" TAMIL LETTER LA
145                     // U+0BB3: "ள" TAMIL LETTER LLA
146                     // U+0BAF: "ய" TAMIL LETTER YA
147                     "\u0BCD", "\u0BB0", "\u0BB5", "\u0BB4", "\u0BB2", "\u0BB3", "\u0BAF",
148                     // U+0BB7: "ஷ" TAMIL LETTER SSA
149                     // U+0B9C: "ஜ" TAMIL LETTER JA
150                     key("\u0BB7", moreKey("\u0B9C")))
151             .build();
152 }
153