LatinIME/java/src/com/android/inputmethod/latin/personalization/DictionaryDecayBroadcastReciever.java
Keisuke Kuroyanagi 89eaa6701f Periodic GC for personalization dict.
Change-Id: I1ef922684cbf1de10c45c66eb119c2343d194da3
2014-05-08 17:20:43 +09:00

67 lines
2.7 KiB
Java

/*
* 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 android.app.AlarmManager;
import android.app.PendingIntent;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import java.util.concurrent.TimeUnit;
/**
* Broadcast receiver for periodically updating decaying dictionaries.
*/
public class DictionaryDecayBroadcastReciever extends BroadcastReceiver {
/**
* The root domain for the personalization.
*/
private static final String PERSONALIZATION_DOMAIN =
"com.android.inputmethod.latin.personalization";
/**
* The action of the intent to tell the time to decay dictionaries.
*/
private static final String DICTIONARY_DECAY_INTENT_ACTION =
PERSONALIZATION_DOMAIN + ".DICT_DECAY";
/**
* Interval to update for decaying dictionaries.
*/
/* package */ static final long DICTIONARY_DECAY_INTERVAL = TimeUnit.MINUTES.toMillis(60);
public static void setUpIntervalAlarmForDictionaryDecaying(Context context) {
AlarmManager alarmManager = (AlarmManager)context.getSystemService(Context.ALARM_SERVICE);
final Intent updateIntent = new Intent(DICTIONARY_DECAY_INTENT_ACTION);
updateIntent.setClass(context, DictionaryDecayBroadcastReciever.class);
final long alarmTime = System.currentTimeMillis() + DICTIONARY_DECAY_INTERVAL;
final PendingIntent pendingIntent = PendingIntent.getBroadcast(context, 0 /* requestCode */,
updateIntent, PendingIntent.FLAG_CANCEL_CURRENT);
if (null != alarmManager) alarmManager.setInexactRepeating(AlarmManager.RTC,
alarmTime, DICTIONARY_DECAY_INTERVAL, pendingIntent);
}
@Override
public void onReceive(final Context context, final Intent intent) {
final String action = intent.getAction();
if (action.equals(DICTIONARY_DECAY_INTENT_ACTION)) {
PersonalizationHelper.runGCOnAllOpenedUserHistoryDictionaries();
PersonalizationHelper.runGCOnAllOpenedPersonalizationDictionaries();
}
}
}