1 /* 2 * Copyright (C) 2013 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.latin.personalization; 18 19 import com.android.inputmethod.latin.Dictionary; 20 import com.android.inputmethod.latin.ExpandableBinaryDictionary; 21 import com.android.inputmethod.latin.utils.CollectionUtils; 22 23 import android.content.Context; 24 import android.content.SharedPreferences; 25 26 import java.util.ArrayList; 27 28 /** 29 * This class is a dictionary for the personalized language model that uses binary dictionary. 30 */ 31 public class PersonalizationDictionary extends ExpandableBinaryDictionary { 32 private static final String NAME = "personalization"; 33 private final ArrayList<PersonalizationDictionaryUpdateSession> mSessions = 34 CollectionUtils.newArrayList(); 35 36 /** Locale for which this user history dictionary is storing words */ 37 private final String mLocale; 38 39 public PersonalizationDictionary(final Context context, final String locale, 40 final SharedPreferences prefs) { 41 // TODO: Make isUpdatable true. 42 super(context, getFilenameWithLocale(NAME, locale), Dictionary.TYPE_PERSONALIZATION, 43 false /* isUpdatable */); 44 mLocale = locale; 45 // TODO: Restore last updated time 46 loadDictionary(); 47 } 48 49 @Override 50 protected void loadDictionaryAsync() { 51 // TODO: Implement 52 } 53 54 @Override 55 protected boolean hasContentChanged() { 56 return false; 57 } 58 59 @Override 60 protected boolean needsToReloadBeforeWriting() { 61 return false; 62 } 63 64 public void registerUpdateSession(PersonalizationDictionaryUpdateSession session) { 65 session.setDictionary(this); 66 mSessions.add(session); 67 session.onDictionaryReady(); 68 } 69 70 public void unRegisterUpdateSession(PersonalizationDictionaryUpdateSession session) { 71 mSessions.remove(session); 72 } 73 } 74