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.internal; 18 19 import android.view.inputmethod.InputMethodSubtype; 20 21 import com.android.inputmethod.latin.utils.SubtypeLocaleUtils; 22 23 import java.util.Collections; 24 import java.util.List; 25 26 /** 27 * This class determines that the language name on the spacebar should be displayed in what format. 28 */ 29 public final class LanguageOnSpacebarHelper { 30 public static final int FORMAT_TYPE_NONE = 0; 31 public static final int FORMAT_TYPE_LANGUAGE_ONLY = 1; 32 public static final int FORMAT_TYPE_FULL_LOCALE = 2; 33 34 private List<InputMethodSubtype> mEnabledSubtypes = Collections.emptyList(); 35 private boolean mIsSystemLanguageSameAsInputLanguage; 36 getLanguageOnSpacebarFormatType(final InputMethodSubtype subtype)37 public int getLanguageOnSpacebarFormatType(final InputMethodSubtype subtype) { 38 if (SubtypeLocaleUtils.isNoLanguage(subtype)) { 39 return FORMAT_TYPE_FULL_LOCALE; 40 } 41 // Only this subtype is enabled and equals to the system locale. 42 if (mEnabledSubtypes.size() < 2 && mIsSystemLanguageSameAsInputLanguage) { 43 return FORMAT_TYPE_NONE; 44 } 45 final String keyboardLanguage = SubtypeLocaleUtils.getSubtypeLocale(subtype).getLanguage(); 46 final String keyboardLayout = SubtypeLocaleUtils.getKeyboardLayoutSetName(subtype); 47 int sameLanguageAndLayoutCount = 0; 48 for (final InputMethodSubtype ims : mEnabledSubtypes) { 49 final String language = SubtypeLocaleUtils.getSubtypeLocale(ims).getLanguage(); 50 if (keyboardLanguage.equals(language) && keyboardLayout.equals( 51 SubtypeLocaleUtils.getKeyboardLayoutSetName(ims))) { 52 sameLanguageAndLayoutCount++; 53 } 54 } 55 // Display full locale name only when there are multiple subtypes that have the same 56 // locale and keyboard layout. Otherwise displaying language name is enough. 57 return sameLanguageAndLayoutCount > 1 ? FORMAT_TYPE_FULL_LOCALE 58 : FORMAT_TYPE_LANGUAGE_ONLY; 59 } 60 updateEnabledSubtypes(final List<InputMethodSubtype> enabledSubtypes)61 public void updateEnabledSubtypes(final List<InputMethodSubtype> enabledSubtypes) { 62 mEnabledSubtypes = enabledSubtypes; 63 } 64 updateIsSystemLanguageSameAsInputLanguage(final boolean isSame)65 public void updateIsSystemLanguageSameAsInputLanguage(final boolean isSame) { 66 mIsSystemLanguageSameAsInputLanguage = isSame; 67 } 68 } 69