/*
 * Copyright (C) 2013 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.inputmethod.latin.personalization;

import com.android.inputmethod.latin.Dictionary;
import com.android.inputmethod.latin.ExpandableBinaryDictionary;
import com.android.inputmethod.latin.utils.CollectionUtils;

import java.util.ArrayList;
import java.util.Locale;

import android.content.Context;

public class PersonalizationDictionary extends DecayingExpandableBinaryDictionaryBase {
    private static final String NAME = PersonalizationDictionary.class.getSimpleName();

    private final ArrayList<PersonalizationDictionaryUpdateSession> mSessions =
            CollectionUtils.newArrayList();

    /* package */ PersonalizationDictionary(final Context context, final Locale locale) {
        super(context, locale, Dictionary.TYPE_PERSONALIZATION,
                getDictionaryFileName(locale.toString()));
    }

    private static String getDictionaryFileName(final String locale) {
        return NAME + "." + locale + ExpandableBinaryDictionary.DICT_FILE_EXTENSION;
    }

    public void registerUpdateSession(PersonalizationDictionaryUpdateSession session) {
        session.setPredictionDictionary(this);
        mSessions.add(session);
        session.onDictionaryReady();
    }

    public void unRegisterUpdateSession(PersonalizationDictionaryUpdateSession session) {
        mSessions.remove(session);
    }
}