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Merge "Use enabled subtypes for Keyboard in DistracterFilter."

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This commit is contained in:
Keisuke Kuroyanagi 2014-05-22 04:50:46 +00:00 committed by Android (Google) Code Review
commit 5e2c4c0297
3 changed files with 71 additions and 53 deletions
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5
java/src/com/android/inputmethod/latin/LatinIME.java
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@ -84,7 +84,6 @@ import com.android.inputmethod.latin.utils.CapsModeUtils;
import com.android.inputmethod.latin.utils.CoordinateUtils;
import com.android.inputmethod.latin.utils.DialogUtils;
import com.android.inputmethod.latin.utils.DistracterFilter;
import com.android.inputmethod.latin.utils.DistracterFilterUtils;
import com.android.inputmethod.latin.utils.ImportantNoticeUtils;
import com.android.inputmethod.latin.utils.IntentUtils;
import com.android.inputmethod.latin.utils.JniUtils;
@ -1748,7 +1747,9 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
@UsedForTesting
/* package for test */ DistracterFilter createDistracterFilter() {
return DistracterFilterUtils.createDistracterFilter(this /* Context */, mKeyboardSwitcher);
return new DistracterFilter(this /* Context */,
mRichImm.getMyEnabledInputMethodSubtypeList(
true /* allowsImplicitlySelectedSubtypes */));
}
public void dumpDictionaryForDebug(final String dictName) {

78
java/src/com/android/inputmethod/latin/utils/DistracterFilter.java
View file

@ -16,13 +16,23 @@
package com.android.inputmethod.latin.utils;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Locale;
import java.util.Map;
import java.util.concurrent.TimeUnit;
import android.content.Context;
import android.content.res.Resources;
import android.text.InputType;
import android.util.Log;
import android.view.inputmethod.EditorInfo;
import android.view.inputmethod.InputMethodSubtype;
import com.android.inputmethod.keyboard.Keyboard;
import com.android.inputmethod.keyboard.KeyboardId;
import com.android.inputmethod.keyboard.KeyboardLayoutSet;
import com.android.inputmethod.latin.Constants;
import com.android.inputmethod.latin.PrevWordsInfo;
import com.android.inputmethod.latin.Suggest;
@ -41,8 +51,10 @@ public class DistracterFilter {
private static final long TIMEOUT_TO_WAIT_LOADING_DICTIONARIES_IN_SECONDS = 120;
private final Context mContext;
private final Map<Locale, InputMethodSubtype> mLocaleToSubtypeMap;
private final Map<Locale, Keyboard> mLocaleToKeyboardMap;
private final Suggest mSuggest;
private final Keyboard mKeyboard;
private Keyboard mKeyboard;
// If the score of the top suggestion exceeds this value, the tested word (e.g.,
// an OOV, a misspelling, or an in-vocabulary word) would be considered as a distracter to
@ -51,17 +63,32 @@ public class DistracterFilter {
// the dictionary.
private static final float DISTRACTER_WORD_SCORE_THRESHOLD = 2.0f;
// Create empty distracter filter.
public DistracterFilter() {
this(null, new ArrayList<InputMethodSubtype>());
}
/**
* Create a DistracterFilter instance.
*
* @param context the context.
* @param keyboard the keyboard that is currently being used. This information is needed
* when calling mSuggest.getSuggestedWords(...) to obtain a list of suggestions.
* @param enabledSubtypes the enabled subtypes.
*/
public DistracterFilter(final Context context, final Keyboard keyboard) {
public DistracterFilter(final Context context, final List<InputMethodSubtype> enabledSubtypes) {
mContext = context;
mLocaleToSubtypeMap = new HashMap<>();
for (final InputMethodSubtype subtype : enabledSubtypes) {
final Locale locale = SubtypeLocaleUtils.getSubtypeLocale(subtype);
if (mLocaleToSubtypeMap.containsKey(locale)) {
// Multiple subtypes are enabled for one locale.
// TODO: Investigate what we should do for this case.
continue;
}
mLocaleToSubtypeMap.put(locale, subtype);
}
mLocaleToKeyboardMap = new HashMap<>();
mSuggest = new Suggest();
mKeyboard = keyboard;
mKeyboard = null;
}
private static boolean suggestionExceedsDistracterThreshold(
@ -78,6 +105,30 @@ public class DistracterFilter {
return false;
}
private void loadKeyboardForLocale(final Locale newLocale) {
final Keyboard cachedKeyboard = mLocaleToKeyboardMap.get(newLocale);
if (cachedKeyboard != null) {
mKeyboard = cachedKeyboard;
return;
}
final InputMethodSubtype subtype = mLocaleToSubtypeMap.get(newLocale);
if (subtype == null) {
return;
}
final EditorInfo editorInfo = new EditorInfo();
editorInfo.inputType = InputType.TYPE_CLASS_TEXT;
final KeyboardLayoutSet.Builder builder = new KeyboardLayoutSet.Builder(
mContext, editorInfo);
final Resources res = mContext.getResources();
final int keyboardWidth = ResourceUtils.getDefaultKeyboardWidth(res);
final int keyboardHeight = ResourceUtils.getDefaultKeyboardHeight(res);
builder.setKeyboardGeometry(keyboardWidth, keyboardHeight);
builder.setSubtype(subtype);
builder.setIsSpellChecker(false /* isSpellChecker */);
final KeyboardLayoutSet layoutSet = builder.build();
mKeyboard = layoutSet.getKeyboard(KeyboardId.ELEMENT_ALPHABET);
}
private void loadDictionariesForLocale(final Locale newlocale) throws InterruptedException {
mSuggest.mDictionaryFacilitator.resetDictionaries(mContext, newlocale,
false /* useContactsDict */, false /* usePersonalizedDicts */,
@ -92,15 +143,21 @@ public class DistracterFilter {
* @param prevWordsInfo the information of previous words.
* @param testedWord the word that will be tested to see whether it is a distracter to words
* in dictionaries.
* @param locale the locale of words.
* @param locale the locale of word.
* @return true if testedWord is a distracter, otherwise false.
*/
public boolean isDistracterToWordsInDictionaries(final PrevWordsInfo prevWordsInfo,
final String testedWord, final Locale locale) {
if (mKeyboard == null || locale == null) {
if (locale == null) {
return false;
}
if (!locale.equals(mSuggest.mDictionaryFacilitator.getLocale())) {
if (!mLocaleToSubtypeMap.containsKey(locale)) {
Log.e(TAG, "Locale " + locale + " is not enabled.");
// TODO: Investigate what we should do for disabled locales.
return false;
}
loadKeyboardForLocale(locale);
// Reset dictionaries for the locale.
try {
loadDictionariesForLocale(locale);
@ -109,11 +166,12 @@ public class DistracterFilter {
return false;
}
}
if (mKeyboard == null) {
return false;
}
final WordComposer composer = new WordComposer();
final int[] codePoints = StringUtils.toCodePointArray(testedWord);
final int[] coordinates;
coordinates = mKeyboard.getCoordinates(codePoints);
final int[] coordinates = mKeyboard.getCoordinates(codePoints);
composer.setComposingWord(codePoints, coordinates, prevWordsInfo);
final int trailingSingleQuotesCount = StringUtils.getTrailingSingleQuotesCount(testedWord);

41
java/src/com/android/inputmethod/latin/utils/DistracterFilterUtils.java
View file

@ -1,41 +0,0 @@
/*
* Copyright (C) 2014 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.utils;
import android.content.Context;
import com.android.inputmethod.keyboard.Keyboard;
import com.android.inputmethod.keyboard.KeyboardSwitcher;
import com.android.inputmethod.keyboard.MainKeyboardView;
public class DistracterFilterUtils {
private DistracterFilterUtils() {
// This utility class is not publicly instantiable.
}
public static final DistracterFilter createDistracterFilter(final Context context,
final KeyboardSwitcher keyboardSwitcher) {
final MainKeyboardView mainKeyboardView = keyboardSwitcher.getMainKeyboardView();
// TODO: Create Keyboard when mainKeyboardView is null.
// TODO: Figure out the most reasonable keyboard for the filter. Refer to the
// spellchecker's logic.
final Keyboard keyboard = (mainKeyboardView != null) ?
mainKeyboardView.getKeyboard() : null;
final DistracterFilter distracterFilter = new DistracterFilter(context, keyboard);
return distracterFilter;
}
}