Try decaying user history at hourly intervals. (f36a97ab) · Commits · e / os / android_packages_inputmethods_LatinIME

java/AndroidManifest.xml

+6 −0

Original line number	Diff line number	Diff line
		@@ -110,6 +110,12 @@
		</intent-filter>
		</receiver>

		<receiver android:name=".personalization.DictionaryDecayBroadcastReciever">
		<intent-filter>
		<action android:name="com.android.inputmethod.latin.personalization.DICT_DECAY" />
		</intent-filter>
		</receiver>

		<receiver android:name=".DictionaryPackInstallBroadcastReceiver">
		<intent-filter>
		<action android:name="com.android.inputmethod.dictionarypack.aosp.UNKNOWN_CLIENT" />

java/src/com/android/inputmethod/latin/ExpandableBinaryDictionary.java

+5 −5

Original line number	Diff line number	Diff line
		@@ -273,9 +273,9 @@ abstract public class ExpandableBinaryDictionary extends Dictionary {
		lastModifiedTime);
		}

		private void runGCIfRequired() {
		protected void runGCIfRequired(final boolean mindsBlockByGC) {
		if (!ENABLE_BINARY_DICTIONARY_DYNAMIC_UPDATE) return;
		if (mBinaryDictionary.needsToRunGC(true /* mindsBlockByGC */)) {
		if (mBinaryDictionary.needsToRunGC(mindsBlockByGC)) {
		if (setIsRegeneratingIfNotRegenerating()) {
		getExecutor(mFilename).execute(new Runnable() {
		@Override
		@@ -300,7 +300,7 @@ abstract public class ExpandableBinaryDictionary extends Dictionary {
		Log.w(TAG, "addWordDynamically is called for non-updatable dictionary: " + mFilename);
		return;
		}
		runGCIfRequired();
		runGCIfRequired(true /* mindsBlockByGC */);
		getExecutor(mFilename).execute(new Runnable() {
		@Override
		public void run() {
		@@ -324,7 +324,7 @@ abstract public class ExpandableBinaryDictionary extends Dictionary {
		+ mFilename);
		return;
		}
		runGCIfRequired();
		runGCIfRequired(true /* mindsBlockByGC */);
		getExecutor(mFilename).execute(new Runnable() {
		@Override
		public void run() {
		@@ -348,7 +348,7 @@ abstract public class ExpandableBinaryDictionary extends Dictionary {
		+ mFilename);
		return;
		}
		runGCIfRequired();
		runGCIfRequired(true /* mindsBlockByGC */);
		getExecutor(mFilename).execute(new Runnable() {
		@Override
		public void run() {

java/src/com/android/inputmethod/latin/LatinIME.java

+3 −0

Original line number	Diff line number	Diff line
		@@ -77,6 +77,7 @@ import com.android.inputmethod.keyboard.MainKeyboardView;
		import com.android.inputmethod.latin.Suggest.OnGetSuggestedWordsCallback;
		import com.android.inputmethod.latin.SuggestedWords.SuggestedWordInfo;
		import com.android.inputmethod.latin.define.ProductionFlag;
		import com.android.inputmethod.latin.personalization.DictionaryDecayBroadcastReciever;
		import com.android.inputmethod.latin.personalization.PersonalizationDictionary;
		import com.android.inputmethod.latin.personalization.PersonalizationDictionarySessionRegister;
		import com.android.inputmethod.latin.personalization.PersonalizationHelper;
		@@ -567,6 +568,8 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
		newDictFilter.addAction(DictionaryPackConstants.NEW_DICTIONARY_INTENT_ACTION);
		registerReceiver(mDictionaryPackInstallReceiver, newDictFilter);

		DictionaryDecayBroadcastReciever.setUpIntervalAlarmForDictionaryDecaying(this);

		mInputUpdater = new InputUpdater(this);
		}

java/src/com/android/inputmethod/latin/personalization/DecayingExpandableBinaryDictionaryBase.java

+4 −0

Original line number	Diff line number	Diff line
		@@ -236,4 +236,8 @@ public abstract class DecayingExpandableBinaryDictionaryBase extends ExpandableB
		// Then flush the cleared state of the dictionary on disk.
		asyncFlashAllBinaryDictionary();
		}

		/* package */ void decayIfNeeded() {
		runGCIfRequired(false /* mindsBlockByGC */);
		}
		}

java/src/com/android/inputmethod/latin/personalization/DictionaryDecayBroadcastReciever.java

0 → 100644

+66 −0

Original line number	Diff line number	Diff line
		/*
		* 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.
		*/
		private 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.tryDecayingAllOpeningUserHistoryDictionary();
		}
		}
		}