content: /*
   * Copyright (C) 2014 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.amnesica.kryptey.inputmethod.latin.utils;
  
  import com.amnesica.kryptey.inputmethod.latin.RichInputMethodManager;
  import com.amnesica.kryptey.inputmethod.latin.Subtype;
  
  import java.util.Locale;
  import java.util.Set;
  
  /**
   * This class determines that the language name on the spacebar should be displayed in what format.
   */
  public final class LanguageOnSpacebarUtils {
    public static final int FORMAT_TYPE_NONE = 0;
    public static final int FORMAT_TYPE_LANGUAGE_ONLY = 1;
    public static final int FORMAT_TYPE_FULL_LOCALE = 2;
  
    private LanguageOnSpacebarUtils() {
      // This utility class is not publicly instantiable.
    }
  
    public static int getLanguageOnSpacebarFormatType(final Subtype subtype) {
      final Locale locale = subtype.getLocaleObject();
      if (locale == null) {
        return FORMAT_TYPE_NONE;
      }
      final String keyboardLanguage = locale.getLanguage();
      final String keyboardLayout = subtype.getKeyboardLayoutSet();
      int sameLanguageAndLayoutCount = 0;
      final Set<Subtype> enabledSubtypes =
          RichInputMethodManager.getInstance().getEnabledSubtypes(false);
      for (final Subtype enabledSubtype : enabledSubtypes) {
        final String language = enabledSubtype.getLocaleObject().getLanguage();
        if (keyboardLanguage.equals(language)
            && keyboardLayout.equals(enabledSubtype.getKeyboardLayoutSet())) {
          sameLanguageAndLayoutCount++;
        }
      }
      // Display full locale name only when there are multiple subtypes that have the same
      // locale and keyboard layout. Otherwise displaying language name is enough.
      return sameLanguageAndLayoutCount > 1 ? FORMAT_TYPE_FULL_LOCALE
          : FORMAT_TYPE_LANGUAGE_ONLY;
    }
  }
  