1 files changed, 80 insertions, 0 deletions
diff --git a/java/com/android/dialer/dialpadview/DialpadAlphabets.java b/java/com/android/dialer/dialpadview/DialpadAlphabets.java
new file mode 100644
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+++ b/java/com/android/dialer/dialpadview/DialpadAlphabets.java
@@ -0,0 +1,80 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.dialer.dialpadview;
+
+import android.support.v4.util.SimpleArrayMap;
+
+/** A class containing key-letter mappings for the dialpad. */
+public class DialpadAlphabets {
+
+  // The default mapping (the Latin alphabet)
+  private static final String[] def = {
+    "+" /* 0 */,
+    "" /* 1 */,
+    "ABC" /* 2 */,
+    "DEF" /* 3 */,
+    "GHI" /* 4 */,
+    "JKL" /* 5 */,
+    "MNO" /* 6 */,
+    "PQRS" /* 7 */,
+    "TUV" /* 8 */,
+    "WXYZ" /* 9 */,
+    "" /* * */,
+    "" /* # */,
+  };
+
+  // Russian
+  private static final String[] rus = {
+    "" /* 0 */,
+    "" /* 1 */,
+    "АБВГ" /* 2 */,
+    "ДЕЖЗ" /* 3 */,
+    "ИЙКЛ" /* 4 */,
+    "МНОП" /* 5 */,
+    "РСТУ" /* 6 */,
+    "ФХЦЧ" /* 7 */,
+    "ШЩЪЫ" /* 8 */,
+    "ЬЭЮЯ" /* 9 */,
+    "" /* * */,
+    "" /* # */,
+  };
+
+  // A map in which each key is an ISO 639-2 language code and the corresponding key is an array
+  // defining key-letter mappings
+  private static final SimpleArrayMap<String, String[]> alphabets = new SimpleArrayMap<>();
+
+  static {
+    alphabets.put("rus", rus);
+  }
+
+  /**
+   * Returns the alphabet (a key-letter mapping) of the given ISO 639-2 language code or null if
+   *
+   * <ul>
+   *   <li>no alphabet for the language code is defined, or
+   *   <li>the language code is invalid.
+   * </ul>
+   */
+  public static String[] getAlphabetForLanguage(String languageCode) {
+    return alphabets.get(languageCode);
+  }
+
+  /** Returns the default key-letter mapping (the one that uses the Latin alphabet). */
+  public static String[] getDefaultAlphabet() {
+    return def;
+  }
+}