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Add personalization dictionary helper

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Bug: 9429906
Bug: 4192129

Change-Id: Ic618b0b09a54ed46b20633bd4c1c570d4ac775af
This commit is contained in:
Satoshi Kataoka 2013-07-26 18:11:06 +09:00
parent 2a8c75fc43
commit d45e4b6e5b
3 changed files with 58 additions and 27 deletions
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4
java/src/com/android/inputmethod/latin/LatinIME.java
View file

@ -75,6 +75,7 @@ import com.android.inputmethod.keyboard.KeyboardSwitcher;
import com.android.inputmethod.keyboard.MainKeyboardView;
import com.android.inputmethod.latin.SuggestedWords.SuggestedWordInfo;
import com.android.inputmethod.latin.define.ProductionFlag;
import com.android.inputmethod.latin.personalization.PersonalizationDictionaryHelper;
import com.android.inputmethod.latin.personalization.UserHistoryDictionary;
import com.android.inputmethod.latin.settings.Settings;
import com.android.inputmethod.latin.settings.SettingsActivity;
@ -563,7 +564,8 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
resetContactsDictionary(oldContactsDictionary);
final SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this);
mUserHistoryDictionary = UserHistoryDictionary.getInstance(this, localeStr, prefs);
mUserHistoryDictionary =
PersonalizationDictionaryHelper.getUserHistoryDictionary(this, localeStr, prefs);
mSuggest.setUserHistoryDictionary(mUserHistoryDictionary);
}

53
java/src/com/android/inputmethod/latin/personalization/PersonalizationDictionaryHelper.java Normal file
View file

@ -0,0 +1,53 @@
/*
* 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.utils.CollectionUtils;
import android.content.Context;
import android.content.SharedPreferences;
import android.util.Log;
import java.lang.ref.SoftReference;
import java.util.concurrent.ConcurrentHashMap;
public class PersonalizationDictionaryHelper {
private static final String TAG = PersonalizationDictionaryHelper.class.getSimpleName();
private static final boolean DEBUG = false;
private static final ConcurrentHashMap<String, SoftReference<UserHistoryDictionary>>
sLangDictCache = CollectionUtils.newConcurrentHashMap();
public static UserHistoryDictionary getUserHistoryDictionary(
final Context context, final String locale, final SharedPreferences sp) {
synchronized (sLangDictCache) {
if (sLangDictCache.containsKey(locale)) {
final SoftReference<UserHistoryDictionary> ref = sLangDictCache.get(locale);
final UserHistoryDictionary dict = ref == null ? null : ref.get();
if (dict != null) {
if (DEBUG) {
Log.w(TAG, "Use cached UserHistoryDictionary for " + locale);
}
return dict;
}
}
final UserHistoryDictionary dict = new UserHistoryDictionary(context, locale, sp);
sLangDictCache.put(locale, new SoftReference<UserHistoryDictionary>(dict));
return dict;
}
}
}

28
java/src/com/android/inputmethod/latin/personalization/UserHistoryDictionary.java
View file

@ -27,12 +27,11 @@ import com.android.inputmethod.latin.Constants;
import com.android.inputmethod.latin.Dictionary;
import com.android.inputmethod.latin.ExpandableDictionary;
import com.android.inputmethod.latin.LatinImeLogger;
import com.android.inputmethod.latin.WordComposer;
import com.android.inputmethod.latin.SuggestedWords.SuggestedWordInfo;
import com.android.inputmethod.latin.WordComposer;
import com.android.inputmethod.latin.makedict.FormatSpec.FormatOptions;
import com.android.inputmethod.latin.settings.Settings;
import com.android.inputmethod.latin.utils.ByteArrayWrapper;
import com.android.inputmethod.latin.utils.CollectionUtils;
import com.android.inputmethod.latin.utils.UserHistoryDictIOUtils;
import com.android.inputmethod.latin.utils.UserHistoryDictIOUtils.BigramDictionaryInterface;
import com.android.inputmethod.latin.utils.UserHistoryDictIOUtils.OnAddWordListener;
@ -44,9 +43,7 @@ import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.lang.ref.SoftReference;
import java.util.ArrayList;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.locks.ReentrantLock;
/**
@ -88,28 +85,7 @@ public class UserHistoryDictionary extends ExpandableDictionary {
// Should always be false except when we use this class for test
@UsedForTesting boolean isTest = false;
private static final ConcurrentHashMap<String, SoftReference<UserHistoryDictionary>>
sLangDictCache = CollectionUtils.newConcurrentHashMap();
public static synchronized UserHistoryDictionary getInstance(
final Context context, final String locale, final SharedPreferences sp) {
if (sLangDictCache.containsKey(locale)) {
final SoftReference<UserHistoryDictionary> ref = sLangDictCache.get(locale);
final UserHistoryDictionary dict = ref == null ? null : ref.get();
if (dict != null) {
if (PROFILE_SAVE_RESTORE) {
Log.w(TAG, "Use cached UserHistoryDictionary for " + locale);
}
return dict;
}
}
final UserHistoryDictionary dict =
new UserHistoryDictionary(context, locale, sp);
sLangDictCache.put(locale, new SoftReference<UserHistoryDictionary>(dict));
return dict;
}
private UserHistoryDictionary(final Context context, final String locale,
/* package */ UserHistoryDictionary(final Context context, final String locale,
final SharedPreferences sp) {
super(context, Dictionary.TYPE_USER_HISTORY);
mLocale = locale;