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-rw-r--r--java/src/com/android/inputmethod/latin/utils/AdditionalSubtypeUtils.java3
-rw-r--r--java/src/com/android/inputmethod/latin/utils/AutoCorrectionUtils.java9
-rw-r--r--java/src/com/android/inputmethod/latin/utils/CapsModeUtils.java43
-rw-r--r--java/src/com/android/inputmethod/latin/utils/CollectionUtils.java76
-rw-r--r--java/src/com/android/inputmethod/latin/utils/CsvUtils.java2
-rw-r--r--java/src/com/android/inputmethod/latin/utils/DictionaryInfoUtils.java2
-rw-r--r--java/src/com/android/inputmethod/latin/utils/DistracterFilter.java182
-rw-r--r--java/src/com/android/inputmethod/latin/utils/DistracterFilterUsingSuggestion.java243
-rw-r--r--java/src/com/android/inputmethod/latin/utils/ExecutorUtils.java36
-rw-r--r--java/src/com/android/inputmethod/latin/utils/FragmentUtils.java4
-rw-r--r--java/src/com/android/inputmethod/latin/utils/JsonUtils.java2
-rw-r--r--java/src/com/android/inputmethod/latin/utils/LanguageModelParam.java45
-rw-r--r--java/src/com/android/inputmethod/latin/utils/LatinImeLoggerUtils.java77
-rw-r--r--java/src/com/android/inputmethod/latin/utils/LeakGuardHandlerWrapper.java2
-rw-r--r--java/src/com/android/inputmethod/latin/utils/LocaleUtils.java2
-rw-r--r--java/src/com/android/inputmethod/latin/utils/PrioritizedSerialExecutor.java122
-rw-r--r--java/src/com/android/inputmethod/latin/utils/ResourceUtils.java7
-rw-r--r--java/src/com/android/inputmethod/latin/utils/StringUtils.java3
-rw-r--r--java/src/com/android/inputmethod/latin/utils/SubtypeLocaleUtils.java13
-rw-r--r--java/src/com/android/inputmethod/latin/utils/TargetPackageInfoGetterTask.java3
-rw-r--r--java/src/com/android/inputmethod/latin/utils/TypefaceUtils.java4
-rw-r--r--java/src/com/android/inputmethod/latin/utils/UsabilityStudyLogUtils.java293
-rw-r--r--java/src/com/android/inputmethod/latin/utils/UserLogRingCharBuffer.java137
23 files changed, 375 insertions, 935 deletions
diff --git a/java/src/com/android/inputmethod/latin/utils/AdditionalSubtypeUtils.java b/java/src/com/android/inputmethod/latin/utils/AdditionalSubtypeUtils.java
index 2bb30a2ba..3ca7c7e1c 100644
--- a/java/src/com/android/inputmethod/latin/utils/AdditionalSubtypeUtils.java
+++ b/java/src/com/android/inputmethod/latin/utils/AdditionalSubtypeUtils.java
@@ -95,8 +95,7 @@ public final class AdditionalSubtypeUtils {
return EMPTY_SUBTYPE_ARRAY;
}
final String[] prefSubtypeArray = prefSubtypes.split(PREF_SUBTYPE_SEPARATOR);
- final ArrayList<InputMethodSubtype> subtypesList =
- CollectionUtils.newArrayList(prefSubtypeArray.length);
+ final ArrayList<InputMethodSubtype> subtypesList = new ArrayList<>(prefSubtypeArray.length);
for (final String prefSubtype : prefSubtypeArray) {
final String elems[] = prefSubtype.split(LOCALE_AND_LAYOUT_SEPARATOR);
if (elems.length != LENGTH_WITHOUT_EXTRA_VALUE
diff --git a/java/src/com/android/inputmethod/latin/utils/AutoCorrectionUtils.java b/java/src/com/android/inputmethod/latin/utils/AutoCorrectionUtils.java
index 22b9b77d2..34ee2152a 100644
--- a/java/src/com/android/inputmethod/latin/utils/AutoCorrectionUtils.java
+++ b/java/src/com/android/inputmethod/latin/utils/AutoCorrectionUtils.java
@@ -16,12 +16,11 @@
package com.android.inputmethod.latin.utils;
-import com.android.inputmethod.latin.BinaryDictionary;
+import android.util.Log;
+
import com.android.inputmethod.latin.LatinImeLogger;
import com.android.inputmethod.latin.SuggestedWords.SuggestedWordInfo;
-import android.util.Log;
-
public final class AutoCorrectionUtils {
private static final boolean DBG = LatinImeLogger.sDBG;
private static final String TAG = AutoCorrectionUtils.class.getSimpleName();
@@ -36,7 +35,9 @@ public final class AutoCorrectionUtils {
final float autoCorrectionThreshold) {
if (null != suggestion) {
// Shortlist a whitelisted word
- if (suggestion.mKind == SuggestedWordInfo.KIND_WHITELIST) return true;
+ if (suggestion.isKindOf(SuggestedWordInfo.KIND_WHITELIST)) {
+ return true;
+ }
final int autoCorrectionSuggestionScore = suggestion.mScore;
// TODO: when the normalized score of the first suggestion is nearly equals to
// the normalized score of the second suggestion, behave less aggressive.
diff --git a/java/src/com/android/inputmethod/latin/utils/CapsModeUtils.java b/java/src/com/android/inputmethod/latin/utils/CapsModeUtils.java
index 702688f93..936219332 100644
--- a/java/src/com/android/inputmethod/latin/utils/CapsModeUtils.java
+++ b/java/src/com/android/inputmethod/latin/utils/CapsModeUtils.java
@@ -62,6 +62,22 @@ public final class CapsModeUtils {
}
/**
+ * Helper method to find out if a code point is starting punctuation.
+ *
+ * This include the Unicode START_PUNCTUATION category, but also some other symbols that are
+ * starting, like the inverted question mark or the double quote.
+ *
+ * @param codePoint the code point
+ * @return true if it's starting punctuation, false otherwise.
+ */
+ private static boolean isStartPunctuation(final int codePoint) {
+ return (codePoint == Constants.CODE_DOUBLE_QUOTE || codePoint == Constants.CODE_SINGLE_QUOTE
+ || codePoint == Constants.CODE_INVERTED_QUESTION_MARK
+ || codePoint == Constants.CODE_INVERTED_EXCLAMATION_MARK
+ || Character.getType(codePoint) == Character.START_PUNCTUATION);
+ }
+
+ /**
* Determine what caps mode should be in effect at the current offset in
* the text. Only the mode bits set in <var>reqModes</var> will be
* checked. Note that the caps mode flags here are explicitly defined
@@ -115,8 +131,7 @@ public final class CapsModeUtils {
} else {
for (i = cs.length(); i > 0; i--) {
final char c = cs.charAt(i - 1);
- if (c != Constants.CODE_DOUBLE_QUOTE && c != Constants.CODE_SINGLE_QUOTE
- && Character.getType(c) != Character.START_PUNCTUATION) {
+ if (!isStartPunctuation(c)) {
break;
}
}
@@ -210,11 +225,14 @@ public final class CapsModeUtils {
// We found out that we have a period. We need to determine if this is a full stop or
// otherwise sentence-ending period, or an abbreviation like "e.g.". An abbreviation
- // looks like (\w\.){2,}
+ // looks like (\w\.){2,}. Moreover, in German, you put periods after digits for dates
+ // and some other things, and in German specifically we need to not go into autocaps after
+ // a whitespace-digits-period sequence.
// To find out, we will have a simple state machine with the following states :
- // START, WORD, PERIOD, ABBREVIATION
+ // START, WORD, PERIOD, ABBREVIATION, NUMBER
// On START : (just before the first period)
// letter => WORD
+ // digit => NUMBER if German; end with caps otherwise
// whitespace => end with no caps (it was a stand-alone period)
// otherwise => end with caps (several periods/symbols in a row)
// On WORD : (within the word just before the first period)
@@ -228,6 +246,11 @@ public final class CapsModeUtils {
// letter => LETTER
// period => PERIOD
// otherwise => end with no caps (it was an abbreviation)
+ // On NUMBER : (period immediately preceded by one or more digits)
+ // digit => NUMBER
+ // letter => LETTER (promote to word)
+ // otherwise => end with no caps (it was a whitespace-digits-period sequence,
+ // or a punctuation-digits-period sequence like "11.11.")
// "Not an abbreviation" in the above chart essentially covers cases like "...yes.". This
// should capitalize.
@@ -235,6 +258,7 @@ public final class CapsModeUtils {
final int WORD = 1;
final int PERIOD = 2;
final int LETTER = 3;
+ final int NUMBER = 4;
final int caps = (TextUtils.CAP_MODE_CHARACTERS | TextUtils.CAP_MODE_WORDS
| TextUtils.CAP_MODE_SENTENCES) & reqModes;
final int noCaps = (TextUtils.CAP_MODE_CHARACTERS | TextUtils.CAP_MODE_WORDS) & reqModes;
@@ -247,6 +271,8 @@ public final class CapsModeUtils {
state = WORD;
} else if (Character.isWhitespace(c)) {
return noCaps;
+ } else if (Character.isDigit(c) && spacingAndPunctuations.mUsesGermanRules) {
+ state = NUMBER;
} else {
return caps;
}
@@ -275,6 +301,15 @@ public final class CapsModeUtils {
} else {
return noCaps;
}
+ break;
+ case NUMBER:
+ if (Character.isLetter(c)) {
+ state = WORD;
+ } else if (Character.isDigit(c)) {
+ state = NUMBER;
+ } else {
+ return noCaps;
+ }
}
}
// Here we arrived at the start of the line. This should behave exactly like whitespace.
diff --git a/java/src/com/android/inputmethod/latin/utils/CollectionUtils.java b/java/src/com/android/inputmethod/latin/utils/CollectionUtils.java
index bbfa0f091..e3aef29ba 100644
--- a/java/src/com/android/inputmethod/latin/utils/CollectionUtils.java
+++ b/java/src/com/android/inputmethod/latin/utils/CollectionUtils.java
@@ -16,93 +16,21 @@
package com.android.inputmethod.latin.utils;
-import android.util.SparseArray;
-
-import java.util.ArrayDeque;
import java.util.ArrayList;
-import java.util.Collection;
import java.util.Collections;
-import java.util.HashMap;
-import java.util.HashSet;
-import java.util.LinkedList;
import java.util.Map;
import java.util.TreeMap;
-import java.util.TreeSet;
-import java.util.WeakHashMap;
-import java.util.concurrent.ConcurrentHashMap;
-import java.util.concurrent.CopyOnWriteArrayList;
public final class CollectionUtils {
private CollectionUtils() {
// This utility class is not publicly instantiable.
}
- public static <K,V> HashMap<K,V> newHashMap() {
- return new HashMap<K,V>();
- }
-
- public static <K, V> WeakHashMap<K, V> newWeakHashMap() {
- return new WeakHashMap<K, V>();
- }
-
- public static <K,V> TreeMap<K,V> newTreeMap() {
- return new TreeMap<K,V>();
- }
-
public static <K, V> Map<K,V> newSynchronizedTreeMap() {
- final TreeMap<K,V> treeMap = newTreeMap();
+ final TreeMap<K,V> treeMap = new TreeMap<>();
return Collections.synchronizedMap(treeMap);
}
- public static <K,V> ConcurrentHashMap<K,V> newConcurrentHashMap() {
- return new ConcurrentHashMap<K,V>();
- }
-
- public static <E> HashSet<E> newHashSet() {
- return new HashSet<E>();
- }
-
- public static <E> TreeSet<E> newTreeSet() {
- return new TreeSet<E>();
- }
-
- public static <E> ArrayList<E> newArrayList() {
- return new ArrayList<E>();
- }
-
- public static <E> ArrayList<E> newArrayList(final int initialCapacity) {
- return new ArrayList<E>(initialCapacity);
- }
-
- public static <E> ArrayList<E> newArrayList(final Collection<E> collection) {
- return new ArrayList<E>(collection);
- }
-
- public static <E> LinkedList<E> newLinkedList() {
- return new LinkedList<E>();
- }
-
- public static <E> CopyOnWriteArrayList<E> newCopyOnWriteArrayList() {
- return new CopyOnWriteArrayList<E>();
- }
-
- public static <E> CopyOnWriteArrayList<E> newCopyOnWriteArrayList(
- final Collection<E> collection) {
- return new CopyOnWriteArrayList<E>(collection);
- }
-
- public static <E> CopyOnWriteArrayList<E> newCopyOnWriteArrayList(final E[] array) {
- return new CopyOnWriteArrayList<E>(array);
- }
-
- public static <E> ArrayDeque<E> newArrayDeque() {
- return new ArrayDeque<E>();
- }
-
- public static <E> SparseArray<E> newSparseArray() {
- return new SparseArray<E>();
- }
-
public static <E> ArrayList<E> arrayAsList(final E[] array, final int start, final int end) {
if (array == null) {
throw new NullPointerException();
@@ -111,7 +39,7 @@ public final class CollectionUtils {
throw new IllegalArgumentException();
}
- final ArrayList<E> list = newArrayList(end - start);
+ final ArrayList<E> list = new ArrayList<>(end - start);
for (int i = start; i < end; i++) {
list.add(array[i]);
}
diff --git a/java/src/com/android/inputmethod/latin/utils/CsvUtils.java b/java/src/com/android/inputmethod/latin/utils/CsvUtils.java
index b18a1d83b..a21a1373b 100644
--- a/java/src/com/android/inputmethod/latin/utils/CsvUtils.java
+++ b/java/src/com/android/inputmethod/latin/utils/CsvUtils.java
@@ -209,7 +209,7 @@ public final class CsvUtils {
@UsedForTesting
public static String[] split(final int splitFlags, final String line) throws CsvParseException {
final boolean trimSpaces = (splitFlags & SPLIT_FLAGS_TRIM_SPACES) != 0;
- final ArrayList<String> fields = CollectionUtils.newArrayList();
+ final ArrayList<String> fields = new ArrayList<>();
final int length = line.length();
int start = 0;
do {
diff --git a/java/src/com/android/inputmethod/latin/utils/DictionaryInfoUtils.java b/java/src/com/android/inputmethod/latin/utils/DictionaryInfoUtils.java
index 315913e2f..d76ea10c0 100644
--- a/java/src/com/android/inputmethod/latin/utils/DictionaryInfoUtils.java
+++ b/java/src/com/android/inputmethod/latin/utils/DictionaryInfoUtils.java
@@ -336,7 +336,7 @@ public class DictionaryInfoUtils {
public static ArrayList<DictionaryInfo> getCurrentDictionaryFileNameAndVersionInfo(
final Context context) {
- final ArrayList<DictionaryInfo> dictList = CollectionUtils.newArrayList();
+ final ArrayList<DictionaryInfo> dictList = new ArrayList<>();
// Retrieve downloaded dictionaries
final File[] directoryList = getCachedDirectoryList(context);
diff --git a/java/src/com/android/inputmethod/latin/utils/DistracterFilter.java b/java/src/com/android/inputmethod/latin/utils/DistracterFilter.java
index f1057da0b..787e4a59d 100644
--- a/java/src/com/android/inputmethod/latin/utils/DistracterFilter.java
+++ b/java/src/com/android/inputmethod/latin/utils/DistracterFilter.java
@@ -16,129 +16,14 @@
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;
-import com.android.inputmethod.latin.Suggest.OnGetSuggestedWordsCallback;
-import com.android.inputmethod.latin.SuggestedWords;
-import com.android.inputmethod.latin.SuggestedWords.SuggestedWordInfo;
-import com.android.inputmethod.latin.WordComposer;
-
-/**
- * This class is used to prevent distracters being added to personalization
- * or user history dictionaries
- */
-public class DistracterFilter {
- private static final String TAG = DistracterFilter.class.getSimpleName();
-
- 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 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
- // words in dictionary. The greater the threshold is, the less likely the tested word would
- // become a distracter, which means the tested word will be more likely to be added to
- // 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 enabledSubtypes the enabled subtypes.
- */
- public DistracterFilter(final Context context, final List<InputMethodSubtype> enabledSubtypes) {
- mContext = context;
- mLocaleToSubtypeMap = new HashMap<>();
- if (enabledSubtypes != null) {
- 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 = null;
- }
-
- private static boolean suggestionExceedsDistracterThreshold(
- final SuggestedWordInfo suggestion, final String consideredWord,
- final float distracterThreshold) {
- if (null != suggestion) {
- final int suggestionScore = suggestion.mScore;
- final float normalizedScore = BinaryDictionaryUtils.calcNormalizedScore(
- consideredWord, suggestion.mWord, suggestionScore);
- if (normalizedScore > distracterThreshold) {
- return true;
- }
- }
- 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 */,
- false /* forceReloadMainDictionary */, null /* listener */);
- mSuggest.mDictionaryFacilitator.waitForLoadingMainDictionary(
- TIMEOUT_TO_WAIT_LOADING_DICTIONARIES_IN_SECONDS, TimeUnit.SECONDS);
- }
+public interface DistracterFilter {
/**
* Determine whether a word is a distracter to words in dictionaries.
*
@@ -149,56 +34,25 @@ public class DistracterFilter {
* @return true if testedWord is a distracter, otherwise false.
*/
public boolean isDistracterToWordsInDictionaries(final PrevWordsInfo prevWordsInfo,
- final String testedWord, final Locale locale) {
- 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);
- } catch (final InterruptedException e) {
- Log.e(TAG, "Interrupted while waiting for loading dicts in DistracterFilter", e);
- return false;
- }
- }
- if (mKeyboard == null) {
+ final String testedWord, final Locale locale);
+
+ public void updateEnabledSubtypes(final List<InputMethodSubtype> enabledSubtypes);
+
+ public void close();
+
+ public static final DistracterFilter EMPTY_DISTRACTER_FILTER = new DistracterFilter() {
+ @Override
+ public boolean isDistracterToWordsInDictionaries(PrevWordsInfo prevWordsInfo,
+ String testedWord, Locale locale) {
return false;
}
- final WordComposer composer = new WordComposer();
- final int[] codePoints = StringUtils.toCodePointArray(testedWord);
- final int[] coordinates = mKeyboard.getCoordinates(codePoints);
- composer.setComposingWord(codePoints, coordinates, prevWordsInfo);
- final int trailingSingleQuotesCount = StringUtils.getTrailingSingleQuotesCount(testedWord);
- final String consideredWord = trailingSingleQuotesCount > 0 ?
- testedWord.substring(0, testedWord.length() - trailingSingleQuotesCount) :
- testedWord;
- final AsyncResultHolder<Boolean> holder = new AsyncResultHolder<Boolean>();
- final OnGetSuggestedWordsCallback callback = new OnGetSuggestedWordsCallback() {
- @Override
- public void onGetSuggestedWords(final SuggestedWords suggestedWords) {
- if (suggestedWords != null && suggestedWords.size() > 1) {
- // The suggestedWordInfo at 0 is the typed word. The 1st suggestion from
- // the decoder is at index 1.
- final SuggestedWordInfo firstSuggestion = suggestedWords.getInfo(1);
- final boolean hasStrongDistractor = suggestionExceedsDistracterThreshold(
- firstSuggestion, consideredWord, DISTRACTER_WORD_SCORE_THRESHOLD);
- holder.set(hasStrongDistractor);
- }
- }
- };
- mSuggest.getSuggestedWords(composer, prevWordsInfo, mKeyboard.getProximityInfo(),
- true /* blockOffensiveWords */, true /* isCorrectionEnbaled */,
- null /* additionalFeaturesOptions */, 0 /* sessionId */,
- SuggestedWords.NOT_A_SEQUENCE_NUMBER, callback);
+ @Override
+ public void close() {
+ }
- return holder.get(false /* defaultValue */, Constants.GET_SUGGESTED_WORDS_TIMEOUT);
- }
+ @Override
+ public void updateEnabledSubtypes(List<InputMethodSubtype> enabledSubtypes) {
+ }
+ };
}
diff --git a/java/src/com/android/inputmethod/latin/utils/DistracterFilterUsingSuggestion.java b/java/src/com/android/inputmethod/latin/utils/DistracterFilterUsingSuggestion.java
new file mode 100644
index 000000000..b9c7f5671
--- /dev/null
+++ b/java/src/com/android/inputmethod/latin/utils/DistracterFilterUsingSuggestion.java
@@ -0,0 +1,243 @@
+/*
+ * 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 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.Dictionary;
+import com.android.inputmethod.latin.DictionaryFacilitator;
+import com.android.inputmethod.latin.PrevWordsInfo;
+import com.android.inputmethod.latin.SuggestedWords.SuggestedWordInfo;
+import com.android.inputmethod.latin.WordComposer;
+
+/**
+ * This class is used to prevent distracters being added to personalization
+ * or user history dictionaries
+ */
+public class DistracterFilterUsingSuggestion implements DistracterFilter {
+ private static final String TAG = DistracterFilterUsingSuggestion.class.getSimpleName();
+ private static final boolean DEBUG = false;
+
+ 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 DictionaryFacilitator mDictionaryFacilitator;
+ private Keyboard mKeyboard;
+ private final Object mLock = new Object();
+
+ /**
+ * Create a DistracterFilter instance.
+ *
+ * @param context the context.
+ */
+ public DistracterFilterUsingSuggestion(final Context context) {
+ mContext = context;
+ mLocaleToSubtypeMap = new HashMap<>();
+ mLocaleToKeyboardMap = new HashMap<>();
+ mDictionaryFacilitator = new DictionaryFacilitator();
+ mKeyboard = null;
+ }
+
+ @Override
+ public void close() {
+ mDictionaryFacilitator.closeDictionaries();
+ }
+
+ @Override
+ public void updateEnabledSubtypes(final List<InputMethodSubtype> enabledSubtypes) {
+ final Map<Locale, InputMethodSubtype> newLocaleToSubtypeMap = new HashMap<>();
+ if (enabledSubtypes != null) {
+ for (final InputMethodSubtype subtype : enabledSubtypes) {
+ final Locale locale = SubtypeLocaleUtils.getSubtypeLocale(subtype);
+ if (newLocaleToSubtypeMap.containsKey(locale)) {
+ // Multiple subtypes are enabled for one locale.
+ // TODO: Investigate what we should do for this case.
+ continue;
+ }
+ newLocaleToSubtypeMap.put(locale, subtype);
+ }
+ }
+ if (mLocaleToSubtypeMap.equals(newLocaleToSubtypeMap)) {
+ // Enabled subtypes have not been changed.
+ return;
+ }
+ synchronized (mLock) {
+ mLocaleToSubtypeMap.clear();
+ mLocaleToSubtypeMap.putAll(newLocaleToSubtypeMap);
+ mLocaleToKeyboardMap.clear();
+ }
+ }
+
+ private boolean isDistracter(
+ final SuggestionResults suggestionResults, final String consideredWord) {
+ int perfectMatchProbability = Dictionary.NOT_A_PROBABILITY;
+ for (final SuggestedWordInfo suggestedWordInfo : suggestionResults) {
+ if (suggestedWordInfo.mWord.equals(consideredWord)) {
+ perfectMatchProbability = mDictionaryFacilitator.getFrequency(consideredWord);
+ continue;
+ }
+ // Exact match can include case errors, accent errors, digraph conversions.
+ final boolean isExactMatch = suggestedWordInfo.isExactMatch();
+ final boolean isExactMatchWithIntentionalOmission =
+ suggestedWordInfo.isExactMatchWithIntentionalOmission();
+
+ if (DEBUG) {
+ final float normalizedScore = BinaryDictionaryUtils.calcNormalizedScore(
+ consideredWord, suggestedWordInfo.mWord, suggestedWordInfo.mScore);
+ Log.d(TAG, "consideredWord: " + consideredWord);
+ Log.d(TAG, "top suggestion: " + suggestedWordInfo.mWord);
+ Log.d(TAG, "suggestionScore: " + suggestedWordInfo.mScore);
+ Log.d(TAG, "normalizedScore: " + normalizedScore);
+ Log.d(TAG, "isExactMatch: " + isExactMatch);
+ Log.d(TAG, "isExactMatchWithIntentionalOmission: "
+ + isExactMatchWithIntentionalOmission);
+ }
+ if (perfectMatchProbability != Dictionary.NOT_A_PROBABILITY) {
+ final int topNonPerfectProbability = mDictionaryFacilitator.getFrequency(
+ suggestedWordInfo.mWord);
+ if (DEBUG) {
+ Log.d(TAG, "perfectMatchProbability: " + perfectMatchProbability);
+ Log.d(TAG, "topNonPerfectProbability: " + topNonPerfectProbability);
+ }
+ if (perfectMatchProbability > topNonPerfectProbability) {
+ return false;
+ }
+ }
+ return isExactMatch || isExactMatchWithIntentionalOmission;
+ }
+ return false;
+ }
+
+ private void loadKeyboardForLocale(final Locale newLocale) {
+ final Keyboard cachedKeyboard = mLocaleToKeyboardMap.get(newLocale);
+ if (cachedKeyboard != null) {
+ mKeyboard = cachedKeyboard;
+ return;
+ }
+ final InputMethodSubtype subtype;
+ synchronized (mLock) {
+ 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 {
+ mDictionaryFacilitator.resetDictionaries(mContext, newlocale,
+ false /* useContactsDict */, false /* usePersonalizedDicts */,
+ false /* forceReloadMainDictionary */, null /* listener */);
+ mDictionaryFacilitator.waitForLoadingMainDictionary(
+ TIMEOUT_TO_WAIT_LOADING_DICTIONARIES_IN_SECONDS, TimeUnit.SECONDS);
+ }
+
+ /**
+ * Determine whether a word is a distracter to words in dictionaries.
+ *
+ * @param prevWordsInfo the information of previous words. Not used for now.
+ * @param testedWord the word that will be tested to see whether it is a distracter to words
+ * in dictionaries.
+ * @param locale the locale of word.
+ * @return true if testedWord is a distracter, otherwise false.
+ */
+ @Override
+ public boolean isDistracterToWordsInDictionaries(final PrevWordsInfo prevWordsInfo,
+ final String testedWord, final Locale locale) {
+ if (locale == null) {
+ return false;
+ }
+ if (!locale.equals(mDictionaryFacilitator.getLocale())) {
+ synchronized (mLock) {
+ 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);
+ } catch (final InterruptedException e) {
+ Log.e(TAG, "Interrupted while waiting for loading dicts in DistracterFilter",
+ e);
+ return false;
+ }
+ }
+ }
+ if (mKeyboard == null) {
+ return false;
+ }
+ final WordComposer composer = new WordComposer();
+ final int[] codePoints = StringUtils.toCodePointArray(testedWord);
+ final int[] coordinates = mKeyboard.getCoordinates(codePoints);
+ composer.setComposingWord(codePoints, coordinates, PrevWordsInfo.EMPTY_PREV_WORDS_INFO);
+
+ final int trailingSingleQuotesCount = StringUtils.getTrailingSingleQuotesCount(testedWord);
+ final String consideredWord = trailingSingleQuotesCount > 0 ?
+ testedWord.substring(0, testedWord.length() - trailingSingleQuotesCount) :
+ testedWord;
+ final AsyncResultHolder<Boolean> holder = new AsyncResultHolder<>();
+ ExecutorUtils.getExecutor("check distracters").execute(new Runnable() {
+ @Override
+ public void run() {
+ final SuggestionResults suggestionResults =
+ mDictionaryFacilitator.getSuggestionResults(
+ composer, PrevWordsInfo.EMPTY_PREV_WORDS_INFO,
+ mKeyboard.getProximityInfo(), true /* blockOffensiveWords */,
+ null /* additionalFeaturesOptions */, 0 /* sessionId */,
+ null /* rawSuggestions */);
+ if (suggestionResults.isEmpty()) {
+ holder.set(false);
+ return;
+ }
+ holder.set(isDistracter(suggestionResults, consideredWord));
+ }
+ });
+ // It's OK to block the distracter filtering, but the dictionary lookup should be done
+ // sequentially using ExecutorUtils.
+ return holder.get(false /* defaultValue */, Constants.GET_SUGGESTED_WORDS_TIMEOUT);
+ }
+}
diff --git a/java/src/com/android/inputmethod/latin/utils/ExecutorUtils.java b/java/src/com/android/inputmethod/latin/utils/ExecutorUtils.java
index ed502ed3d..61da1b789 100644
--- a/java/src/com/android/inputmethod/latin/utils/ExecutorUtils.java
+++ b/java/src/com/android/inputmethod/latin/utils/ExecutorUtils.java
@@ -19,22 +19,42 @@ package com.android.inputmethod.latin.utils;
import com.android.inputmethod.annotations.UsedForTesting;
import java.util.concurrent.ConcurrentHashMap;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
+import java.util.concurrent.ThreadFactory;
/**
* Utilities to manage executors.
*/
public class ExecutorUtils {
- private static final ConcurrentHashMap<String, PrioritizedSerialExecutor>
- sExecutorMap = CollectionUtils.newConcurrentHashMap();
+ private static final ConcurrentHashMap<String, ExecutorService> sExecutorMap =
+ new ConcurrentHashMap<>();
+
+ private static class ThreadFactoryWithId implements ThreadFactory {
+ private final String mId;
+
+ public ThreadFactoryWithId(final String id) {
+ mId = id;
+ }
+
+ @Override
+ public Thread newThread(final Runnable r) {
+ return new Thread(r, "Executor - " + mId);
+ }
+ }
+
/**
- * Gets the executor for the given dictionary name.
+ * Gets the executor for the given id.
*/
- public static PrioritizedSerialExecutor getExecutor(final String dictName) {
- PrioritizedSerialExecutor executor = sExecutorMap.get(dictName);
+ public static ExecutorService getExecutor(final String id) {
+ ExecutorService executor = sExecutorMap.get(id);
if (executor == null) {
synchronized(sExecutorMap) {
- executor = new PrioritizedSerialExecutor();
- sExecutorMap.put(dictName, executor);
+ executor = sExecutorMap.get(id);
+ if (executor == null) {
+ executor = Executors.newSingleThreadExecutor(new ThreadFactoryWithId(id));
+ sExecutorMap.put(id, executor);
+ }
}
}
return executor;
@@ -46,7 +66,7 @@ public class ExecutorUtils {
@UsedForTesting
public static void shutdownAllExecutors() {
synchronized(sExecutorMap) {
- for (final PrioritizedSerialExecutor executor : sExecutorMap.values()) {
+ for (final ExecutorService executor : sExecutorMap.values()) {
executor.execute(new Runnable() {
@Override
public void run() {
diff --git a/java/src/com/android/inputmethod/latin/utils/FragmentUtils.java b/java/src/com/android/inputmethod/latin/utils/FragmentUtils.java
index ee2b97b2a..e300bd1d3 100644
--- a/java/src/com/android/inputmethod/latin/utils/FragmentUtils.java
+++ b/java/src/com/android/inputmethod/latin/utils/FragmentUtils.java
@@ -26,12 +26,11 @@ import com.android.inputmethod.latin.userdictionary.UserDictionaryAddWordFragmen
import com.android.inputmethod.latin.userdictionary.UserDictionaryList;
import com.android.inputmethod.latin.userdictionary.UserDictionaryLocalePicker;
import com.android.inputmethod.latin.userdictionary.UserDictionarySettings;
-import com.android.inputmethod.research.FeedbackFragment;
import java.util.HashSet;
public class FragmentUtils {
- private static final HashSet<String> sLatinImeFragments = new HashSet<String>();
+ private static final HashSet<String> sLatinImeFragments = new HashSet<>();
static {
sLatinImeFragments.add(DictionarySettingsFragment.class.getName());
sLatinImeFragments.add(AboutPreferences.class.getName());
@@ -43,7 +42,6 @@ public class FragmentUtils {
sLatinImeFragments.add(UserDictionaryList.class.getName());
sLatinImeFragments.add(UserDictionaryLocalePicker.class.getName());
sLatinImeFragments.add(UserDictionarySettings.class.getName());
- sLatinImeFragments.add(FeedbackFragment.class.getName());
}
public static boolean isValidFragment(String fragmentName) {
diff --git a/java/src/com/android/inputmethod/latin/utils/JsonUtils.java b/java/src/com/android/inputmethod/latin/utils/JsonUtils.java
index 764ef72ce..6dd8d9711 100644
--- a/java/src/com/android/inputmethod/latin/utils/JsonUtils.java
+++ b/java/src/com/android/inputmethod/latin/utils/JsonUtils.java
@@ -37,7 +37,7 @@ public final class JsonUtils {
private static final String EMPTY_STRING = "";
public static List<Object> jsonStrToList(final String s) {
- final ArrayList<Object> list = CollectionUtils.newArrayList();
+ final ArrayList<Object> list = new ArrayList<>();
final JsonReader reader = new JsonReader(new StringReader(s));
try {
reader.beginArray();
diff --git a/java/src/com/android/inputmethod/latin/utils/LanguageModelParam.java b/java/src/com/android/inputmethod/latin/utils/LanguageModelParam.java
index aaf4a4064..4248bebf6 100644
--- a/java/src/com/android/inputmethod/latin/utils/LanguageModelParam.java
+++ b/java/src/com/android/inputmethod/latin/utils/LanguageModelParam.java
@@ -19,11 +19,12 @@ package com.android.inputmethod.latin.utils;
import android.util.Log;
import com.android.inputmethod.latin.Dictionary;
-import com.android.inputmethod.latin.DictionaryFacilitatorForSuggest;
+import com.android.inputmethod.latin.DictionaryFacilitator;
import com.android.inputmethod.latin.PrevWordsInfo;
import com.android.inputmethod.latin.settings.SpacingAndPunctuations;
import java.util.ArrayList;
+import java.util.List;
import java.util.Locale;
// Note: this class is used as a parameter type of a native method. You should be careful when you
@@ -79,14 +80,13 @@ public final class LanguageModelParam {
// Process a list of words and return a list of {@link LanguageModelParam} objects.
public static ArrayList<LanguageModelParam> createLanguageModelParamsFrom(
- final ArrayList<String> tokens, final int timestamp,
- final DictionaryFacilitatorForSuggest dictionaryFacilitator,
+ final List<String> tokens, final int timestamp,
+ final DictionaryFacilitator dictionaryFacilitator,
final SpacingAndPunctuations spacingAndPunctuations,
final DistracterFilter distracterFilter) {
- final ArrayList<LanguageModelParam> languageModelParams =
- CollectionUtils.newArrayList();
+ final ArrayList<LanguageModelParam> languageModelParams = new ArrayList<>();
final int N = tokens.size();
- PrevWordsInfo prevWordsInfo = new PrevWordsInfo(null);
+ PrevWordsInfo prevWordsInfo = PrevWordsInfo.EMPTY_PREV_WORDS_INFO;
for (int i = 0; i < N; ++i) {
final String tempWord = tokens.get(i);
if (StringUtils.isEmptyStringOrWhiteSpaces(tempWord)) {
@@ -103,7 +103,7 @@ public final class LanguageModelParam {
+ tempWord + "\"");
}
// Sentence terminator found. Split.
- prevWordsInfo = new PrevWordsInfo(null);
+ prevWordsInfo = PrevWordsInfo.EMPTY_PREV_WORDS_INFO;
continue;
}
if (DEBUG_TOKEN) {
@@ -124,43 +124,33 @@ public final class LanguageModelParam {
private static LanguageModelParam detectWhetherVaildWordOrNotAndGetLanguageModelParam(
final PrevWordsInfo prevWordsInfo, final String targetWord, final int timestamp,
- final DictionaryFacilitatorForSuggest dictionaryFacilitator,
+ final DictionaryFacilitator dictionaryFacilitator,
final DistracterFilter distracterFilter) {
final Locale locale = dictionaryFacilitator.getLocale();
if (locale == null) {
return null;
}
- // TODO: Though targetWord is an IV (in-vocabulary) word, we should still apply
- // distracterFilter in the following code. If targetWord is a distracter,
- // it should be filtered out.
if (dictionaryFacilitator.isValidWord(targetWord, false /* ignoreCase */)) {
return createAndGetLanguageModelParamOfWord(prevWordsInfo, targetWord, timestamp,
- true /* isValidWord */, locale);
+ true /* isValidWord */, locale, distracterFilter);
}
final String lowerCaseTargetWord = targetWord.toLowerCase(locale);
if (dictionaryFacilitator.isValidWord(lowerCaseTargetWord, false /* ignoreCase */)) {
// Add the lower-cased word.
return createAndGetLanguageModelParamOfWord(prevWordsInfo, lowerCaseTargetWord,
- timestamp, true /* isValidWord */, locale);
+ timestamp, true /* isValidWord */, locale, distracterFilter);
}
- // Treat the word as an OOV word. The following statement checks whether this OOV
- // is a distracter to words in dictionaries. Being a distracter means the OOV word is
- // too close to a common word in dictionaries (e.g., the OOV "mot" is very close to "not").
- // Adding such a word to dictonaries would interfere with entering in-dictionary words. For
- // example, adding "mot" to dictionaries might interfere with entering "not".
- // This kind of OOV should be filtered out.
- if (distracterFilter.isDistracterToWordsInDictionaries(prevWordsInfo, targetWord, locale)) {
- return null;
- }
+ // Treat the word as an OOV word.
return createAndGetLanguageModelParamOfWord(prevWordsInfo, targetWord, timestamp,
- false /* isValidWord */, locale);
+ false /* isValidWord */, locale, distracterFilter);
}
private static LanguageModelParam createAndGetLanguageModelParamOfWord(
final PrevWordsInfo prevWordsInfo, final String targetWord, final int timestamp,
- final boolean isValidWord, final Locale locale) {
+ final boolean isValidWord, final Locale locale,
+ final DistracterFilter distracterFilter) {
final String word;
if (StringUtils.getCapitalizationType(targetWord) == StringUtils.CAPITALIZE_FIRST
&& prevWordsInfo.mPrevWord == null && !isValidWord) {
@@ -168,6 +158,13 @@ public final class LanguageModelParam {
} else {
word = targetWord;
}
+ // Check whether the word is a distracter to words in the dictionaries.
+ if (distracterFilter.isDistracterToWordsInDictionaries(prevWordsInfo, word, locale)) {
+ if (DEBUG) {
+ Log.d(TAG, "The word (" + word + ") is a distracter. Skip this word.");
+ }
+ return null;
+ }
final int unigramProbability = isValidWord ?
UNIGRAM_PROBABILITY_FOR_VALID_WORD : UNIGRAM_PROBABILITY_FOR_OOV_WORD;
if (prevWordsInfo.mPrevWord == null) {
diff --git a/java/src/com/android/inputmethod/latin/utils/LatinImeLoggerUtils.java b/java/src/com/android/inputmethod/latin/utils/LatinImeLoggerUtils.java
deleted file mode 100644
index d14ba508b..000000000
--- a/java/src/com/android/inputmethod/latin/utils/LatinImeLoggerUtils.java
+++ /dev/null
@@ -1,77 +0,0 @@
-/*
- * 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.utils;
-
-import android.text.TextUtils;
-
-import com.android.inputmethod.latin.Constants;
-import com.android.inputmethod.latin.LatinImeLogger;
-import com.android.inputmethod.latin.WordComposer;
-
-public final class LatinImeLoggerUtils {
- private LatinImeLoggerUtils() {
- // This utility class is not publicly instantiable.
- }
-
- public static void onNonSeparator(final char code, final int x, final int y) {
- UserLogRingCharBuffer.getInstance().push(code, x, y);
- LatinImeLogger.logOnInputChar();
- }
-
- public static void onSeparator(final int code, final int x, final int y) {
- // Helper method to log a single code point separator
- // TODO: cache this mapping of a code point to a string in a sparse array in StringUtils
- onSeparator(StringUtils.newSingleCodePointString(code), x, y);
- }
-
- public static void onSeparator(final String separator, final int x, final int y) {
- final int length = separator.length();
- for (int i = 0; i < length; i = Character.offsetByCodePoints(separator, i, 1)) {
- int codePoint = Character.codePointAt(separator, i);
- // TODO: accept code points
- UserLogRingCharBuffer.getInstance().push((char)codePoint, x, y);
- }
- LatinImeLogger.logOnInputSeparator();
- }
-
- public static void onAutoCorrection(final String typedWord, final String correctedWord,
- final String separatorString, final WordComposer wordComposer) {
- final boolean isBatchMode = wordComposer.isBatchMode();
- if (!isBatchMode && TextUtils.isEmpty(typedWord)) {
- return;
- }
- // TODO: this fails when the separator is more than 1 code point long, but
- // the backend can't handle it yet. The only case when this happens is with
- // smileys and other multi-character keys.
- final int codePoint = TextUtils.isEmpty(separatorString) ? Constants.NOT_A_CODE
- : separatorString.codePointAt(0);
- if (!isBatchMode) {
- LatinImeLogger.logOnAutoCorrectionForTyping(typedWord, correctedWord, codePoint);
- } else {
- if (!TextUtils.isEmpty(correctedWord)) {
- // We must make sure that InputPointer contains only the relative timestamps,
- // not actual timestamps.
- LatinImeLogger.logOnAutoCorrectionForGeometric(
- "", correctedWord, codePoint, wordComposer.getInputPointers());
- }
- }
- }
-
- public static void onAutoCorrectionCancellation() {
- LatinImeLogger.logOnAutoCorrectionCancelled();
- }
-}
diff --git a/java/src/com/android/inputmethod/latin/utils/LeakGuardHandlerWrapper.java b/java/src/com/android/inputmethod/latin/utils/LeakGuardHandlerWrapper.java
index 8469c87b0..dd6fac671 100644
--- a/java/src/com/android/inputmethod/latin/utils/LeakGuardHandlerWrapper.java
+++ b/java/src/com/android/inputmethod/latin/utils/LeakGuardHandlerWrapper.java
@@ -33,7 +33,7 @@ public class LeakGuardHandlerWrapper<T> extends Handler {
if (ownerInstance == null) {
throw new NullPointerException("ownerInstance is null");
}
- mOwnerInstanceRef = new WeakReference<T>(ownerInstance);
+ mOwnerInstanceRef = new WeakReference<>(ownerInstance);
}
public T getOwnerInstance() {
diff --git a/java/src/com/android/inputmethod/latin/utils/LocaleUtils.java b/java/src/com/android/inputmethod/latin/utils/LocaleUtils.java
index 0c55484b4..c519a0de6 100644
--- a/java/src/com/android/inputmethod/latin/utils/LocaleUtils.java
+++ b/java/src/com/android/inputmethod/latin/utils/LocaleUtils.java
@@ -159,7 +159,7 @@ public final class LocaleUtils {
return LOCALE_MATCH <= level;
}
- private static final HashMap<String, Locale> sLocaleCache = CollectionUtils.newHashMap();
+ private static final HashMap<String, Locale> sLocaleCache = new HashMap<>();
/**
* Creates a locale from a string specification.
diff --git a/java/src/com/android/inputmethod/latin/utils/PrioritizedSerialExecutor.java b/java/src/com/android/inputmethod/latin/utils/PrioritizedSerialExecutor.java
deleted file mode 100644
index bf38abc95..000000000
--- a/java/src/com/android/inputmethod/latin/utils/PrioritizedSerialExecutor.java
+++ /dev/null
@@ -1,122 +0,0 @@
-/*
- * 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.utils;
-
-import com.android.inputmethod.annotations.UsedForTesting;
-
-import java.util.Queue;
-import java.util.concurrent.ArrayBlockingQueue;
-import java.util.concurrent.ConcurrentLinkedQueue;
-import java.util.concurrent.ThreadPoolExecutor;
-import java.util.concurrent.TimeUnit;
-
-/**
- * An object that executes submitted tasks using a thread.
- */
-public class PrioritizedSerialExecutor {
- public static final String TAG = PrioritizedSerialExecutor.class.getSimpleName();
-
- private final Object mLock = new Object();
-
- private final Queue<Runnable> mTasks;
- private final Queue<Runnable> mPrioritizedTasks;
- private boolean mIsShutdown;
- private final ThreadPoolExecutor mThreadPoolExecutor;
-
- // The task which is running now.
- private Runnable mActive;
-
- public PrioritizedSerialExecutor() {
- mTasks = new ConcurrentLinkedQueue<Runnable>();
- mPrioritizedTasks = new ConcurrentLinkedQueue<Runnable>();
- mIsShutdown = false;
- mThreadPoolExecutor = new ThreadPoolExecutor(1 /* corePoolSize */, 1 /* maximumPoolSize */,
- 0 /* keepAliveTime */, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1));
- }
-
- /**
- * Enqueues the given task into the task queue.
- * @param r the enqueued task
- */
- public void execute(final Runnable r) {
- synchronized(mLock) {
- if (!mIsShutdown) {
- mTasks.offer(new Runnable() {
- @Override
- public void run() {
- try {
- r.run();
- } finally {
- scheduleNext();
- }
- }
- });
- if (mActive == null) {
- scheduleNext();
- }
- }
- }
- }
-
- /**
- * Enqueues the given task into the prioritized task queue.
- * @param r the enqueued task
- */
- @UsedForTesting
- public void executePrioritized(final Runnable r) {
- synchronized(mLock) {
- if (!mIsShutdown) {
- mPrioritizedTasks.offer(new Runnable() {
- @Override
- public void run() {
- try {
- r.run();
- } finally {
- scheduleNext();
- }
- }
- });
- if (mActive == null) {
- scheduleNext();
- }
- }
- }
- }
-
- private boolean fetchNextTasksLocked() {
- mActive = mPrioritizedTasks.poll();
- if (mActive == null) {
- mActive = mTasks.poll();
- }
- return mActive != null;
- }
-
- private void scheduleNext() {
- synchronized(mLock) {
- if (fetchNextTasksLocked()) {
- mThreadPoolExecutor.execute(mActive);
- }
- }
- }
-
- public void shutdown() {
- synchronized(mLock) {
- mIsShutdown = true;
- mThreadPoolExecutor.shutdown();
- }
- }
-}
diff --git a/java/src/com/android/inputmethod/latin/utils/ResourceUtils.java b/java/src/com/android/inputmethod/latin/utils/ResourceUtils.java
index 49f4929b4..093c5a6c1 100644
--- a/java/src/com/android/inputmethod/latin/utils/ResourceUtils.java
+++ b/java/src/com/android/inputmethod/latin/utils/ResourceUtils.java
@@ -41,8 +41,7 @@ public final class ResourceUtils {
// This utility class is not publicly instantiable.
}
- private static final HashMap<String, String> sDeviceOverrideValueMap =
- CollectionUtils.newHashMap();
+ private static final HashMap<String, String> sDeviceOverrideValueMap = new HashMap<>();
private static final String[] BUILD_KEYS_AND_VALUES = {
"HARDWARE", Build.HARDWARE,
@@ -54,8 +53,8 @@ public final class ResourceUtils {
private static final String sBuildKeyValuesDebugString;
static {
- sBuildKeyValues = CollectionUtils.newHashMap();
- final ArrayList<String> keyValuePairs = CollectionUtils.newArrayList();
+ sBuildKeyValues = new HashMap<>();
+ final ArrayList<String> keyValuePairs = new ArrayList<>();
final int keyCount = BUILD_KEYS_AND_VALUES.length / 2;
for (int i = 0; i < keyCount; i++) {
final int index = i * 2;
diff --git a/java/src/com/android/inputmethod/latin/utils/StringUtils.java b/java/src/com/android/inputmethod/latin/utils/StringUtils.java
index 73ac9a573..4ed0f0a94 100644
--- a/java/src/com/android/inputmethod/latin/utils/StringUtils.java
+++ b/java/src/com/android/inputmethod/latin/utils/StringUtils.java
@@ -28,7 +28,6 @@ import java.util.Arrays;
import java.util.Locale;
public final class StringUtils {
- private static final String TAG = StringUtils.class.getSimpleName();
public static final int CAPITALIZE_NONE = 0; // No caps, or mixed case
public static final int CAPITALIZE_FIRST = 1; // First only
public static final int CAPITALIZE_ALL = 2; // All caps
@@ -110,7 +109,7 @@ public final class StringUtils {
if (!containsInArray(text, elements)) {
return extraValues;
}
- final ArrayList<String> result = CollectionUtils.newArrayList(elements.length - 1);
+ final ArrayList<String> result = new ArrayList<>(elements.length - 1);
for (final String element : elements) {
if (!text.equals(element)) {
result.add(element);
diff --git a/java/src/com/android/inputmethod/latin/utils/SubtypeLocaleUtils.java b/java/src/com/android/inputmethod/latin/utils/SubtypeLocaleUtils.java
index 938d27122..351d01400 100644
--- a/java/src/com/android/inputmethod/latin/utils/SubtypeLocaleUtils.java
+++ b/java/src/com/android/inputmethod/latin/utils/SubtypeLocaleUtils.java
@@ -49,17 +49,14 @@ public final class SubtypeLocaleUtils {
private static Resources sResources;
private static String[] sPredefinedKeyboardLayoutSet;
// Keyboard layout to its display name map.
- private static final HashMap<String, String> sKeyboardLayoutToDisplayNameMap =
- CollectionUtils.newHashMap();
+ private static final HashMap<String, String> sKeyboardLayoutToDisplayNameMap = new HashMap<>();
// Keyboard layout to subtype name resource id map.
- private static final HashMap<String, Integer> sKeyboardLayoutToNameIdsMap =
- CollectionUtils.newHashMap();
+ private static final HashMap<String, Integer> sKeyboardLayoutToNameIdsMap = new HashMap<>();
// Exceptional locale to subtype name resource id map.
- private static final HashMap<String, Integer> sExceptionalLocaleToNameIdsMap =
- CollectionUtils.newHashMap();
+ private static final HashMap<String, Integer> sExceptionalLocaleToNameIdsMap = new HashMap<>();
// Exceptional locale to subtype name with layout resource id map.
private static final HashMap<String, Integer> sExceptionalLocaleToWithLayoutNameIdsMap =
- CollectionUtils.newHashMap();
+ new HashMap<>();
private static final String SUBTYPE_NAME_RESOURCE_PREFIX =
"string/subtype_";
private static final String SUBTYPE_NAME_RESOURCE_GENERIC_PREFIX =
@@ -71,7 +68,7 @@ public final class SubtypeLocaleUtils {
// Keyboard layout set name for the subtypes that don't have a keyboardLayoutSet extra value.
// This is for compatibility to keep the same subtype ids as pre-JellyBean.
private static final HashMap<String, String> sLocaleAndExtraValueToKeyboardLayoutSetMap =
- CollectionUtils.newHashMap();
+ new HashMap<>();
private SubtypeLocaleUtils() {
// Intentional empty constructor for utility class.
diff --git a/java/src/com/android/inputmethod/latin/utils/TargetPackageInfoGetterTask.java b/java/src/com/android/inputmethod/latin/utils/TargetPackageInfoGetterTask.java
index 42ea3c959..ab2b00e36 100644
--- a/java/src/com/android/inputmethod/latin/utils/TargetPackageInfoGetterTask.java
+++ b/java/src/com/android/inputmethod/latin/utils/TargetPackageInfoGetterTask.java
@@ -27,8 +27,7 @@ import com.android.inputmethod.compat.AppWorkaroundsUtils;
public final class TargetPackageInfoGetterTask extends
AsyncTask<String, Void, PackageInfo> {
private static final int MAX_CACHE_ENTRIES = 64; // arbitrary
- private static final LruCache<String, PackageInfo> sCache =
- new LruCache<String, PackageInfo>(MAX_CACHE_ENTRIES);
+ private static final LruCache<String, PackageInfo> sCache = new LruCache<>(MAX_CACHE_ENTRIES);
public static PackageInfo getCachedPackageInfo(final String packageName) {
if (null == packageName) return null;
diff --git a/java/src/com/android/inputmethod/latin/utils/TypefaceUtils.java b/java/src/com/android/inputmethod/latin/utils/TypefaceUtils.java
index 087a7f255..fafba79c2 100644
--- a/java/src/com/android/inputmethod/latin/utils/TypefaceUtils.java
+++ b/java/src/com/android/inputmethod/latin/utils/TypefaceUtils.java
@@ -30,7 +30,7 @@ public final class TypefaceUtils {
}
// This sparse array caches key label text height in pixel indexed by key label text size.
- private static final SparseArray<Float> sTextHeightCache = CollectionUtils.newSparseArray();
+ private static final SparseArray<Float> sTextHeightCache = new SparseArray<>();
// Working variable for the following method.
private static final Rect sTextHeightBounds = new Rect();
@@ -50,7 +50,7 @@ public final class TypefaceUtils {
}
// This sparse array caches key label text width in pixel indexed by key label text size.
- private static final SparseArray<Float> sTextWidthCache = CollectionUtils.newSparseArray();
+ private static final SparseArray<Float> sTextWidthCache = new SparseArray<>();
// Working variable for the following method.
private static final Rect sTextWidthBounds = new Rect();
diff --git a/java/src/com/android/inputmethod/latin/utils/UsabilityStudyLogUtils.java b/java/src/com/android/inputmethod/latin/utils/UsabilityStudyLogUtils.java
deleted file mode 100644
index 06826dac0..000000000
--- a/java/src/com/android/inputmethod/latin/utils/UsabilityStudyLogUtils.java
+++ /dev/null
@@ -1,293 +0,0 @@
-/*
- * Copyright (C) 2016 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.Intent;
-import android.content.pm.PackageManager;
-import android.inputmethodservice.InputMethodService;
-import android.net.Uri;
-import android.os.Environment;
-import android.os.Handler;
-import android.os.HandlerThread;
-import android.os.Process;
-import android.util.Log;
-import android.view.MotionEvent;
-
-import com.android.inputmethod.latin.LatinImeLogger;
-
-import java.io.BufferedReader;
-import java.io.File;
-import java.io.FileInputStream;
-import java.io.FileNotFoundException;
-import java.io.FileOutputStream;
-import java.io.FileReader;
-import java.io.IOException;
-import java.io.PrintWriter;
-import java.nio.channels.FileChannel;
-import java.text.SimpleDateFormat;
-import java.util.Date;
-import java.util.Locale;
-
-public final class UsabilityStudyLogUtils {
- // TODO: remove code duplication with ResearchLog class
- private static final String USABILITY_TAG = UsabilityStudyLogUtils.class.getSimpleName();
- private static final String FILENAME = "log.txt";
- private final Handler mLoggingHandler;
- private File mFile;
- private File mDirectory;
- private InputMethodService mIms;
- private PrintWriter mWriter;
- private final Date mDate;
- private final SimpleDateFormat mDateFormat;
-
- private UsabilityStudyLogUtils() {
- mDate = new Date();
- mDateFormat = new SimpleDateFormat("yyyyMMdd-HHmmss.SSSZ", Locale.US);
-
- HandlerThread handlerThread = new HandlerThread("UsabilityStudyLogUtils logging task",
- Process.THREAD_PRIORITY_BACKGROUND);
- handlerThread.start();
- mLoggingHandler = new Handler(handlerThread.getLooper());
- }
-
- // Initialization-on-demand holder
- private static final class OnDemandInitializationHolder {
- public static final UsabilityStudyLogUtils sInstance = new UsabilityStudyLogUtils();
- }
-
- public static UsabilityStudyLogUtils getInstance() {
- return OnDemandInitializationHolder.sInstance;
- }
-
- public void init(final InputMethodService ims) {
- mIms = ims;
- mDirectory = ims.getFilesDir();
- }
-
- private void createLogFileIfNotExist() {
- if ((mFile == null || !mFile.exists())
- && (mDirectory != null && mDirectory.exists())) {
- try {
- mWriter = getPrintWriter(mDirectory, FILENAME, false);
- } catch (final IOException e) {
- Log.e(USABILITY_TAG, "Can't create log file.");
- }
- }
- }
-
- public static void writeBackSpace(final int x, final int y) {
- UsabilityStudyLogUtils.getInstance().write("<backspace>\t" + x + "\t" + y);
- }
-
- public static void writeChar(final char c, final int x, final int y) {
- String inputChar = String.valueOf(c);
- switch (c) {
- case '\n':
- inputChar = "<enter>";
- break;
- case '\t':
- inputChar = "<tab>";
- break;
- case ' ':
- inputChar = "<space>";
- break;
- }
- UsabilityStudyLogUtils.getInstance().write(inputChar + "\t" + x + "\t" + y);
- LatinImeLogger.onPrintAllUsabilityStudyLogs();
- }
-
- public static void writeMotionEvent(final MotionEvent me) {
- final int action = me.getActionMasked();
- final long eventTime = me.getEventTime();
- final int pointerCount = me.getPointerCount();
- for (int index = 0; index < pointerCount; index++) {
- final int id = me.getPointerId(index);
- final int x = (int)me.getX(index);
- final int y = (int)me.getY(index);
- final float size = me.getSize(index);
- final float pressure = me.getPressure(index);
-
- final String eventTag;
- switch (action) {
- case MotionEvent.ACTION_UP:
- eventTag = "[Up]";
- break;
- case MotionEvent.ACTION_DOWN:
- eventTag = "[Down]";
- break;
- case MotionEvent.ACTION_POINTER_UP:
- eventTag = "[PointerUp]";
- break;
- case MotionEvent.ACTION_POINTER_DOWN:
- eventTag = "[PointerDown]";
- break;
- case MotionEvent.ACTION_MOVE:
- eventTag = "[Move]";
- break;
- default:
- eventTag = "[Action" + action + "]";
- break;
- }
- getInstance().write(eventTag + eventTime + "," + id + "," + x + "," + y + "," + size
- + "," + pressure);
- }
- }
-
- public void write(final String log) {
- mLoggingHandler.post(new Runnable() {
- @Override
- public void run() {
- createLogFileIfNotExist();
- final long currentTime = System.currentTimeMillis();
- mDate.setTime(currentTime);
-
- final String printString = String.format(Locale.US, "%s\t%d\t%s\n",
- mDateFormat.format(mDate), currentTime, log);
- if (LatinImeLogger.sDBG) {
- Log.d(USABILITY_TAG, "Write: " + log);
- }
- mWriter.print(printString);
- }
- });
- }
-
- private synchronized String getBufferedLogs() {
- mWriter.flush();
- final StringBuilder sb = new StringBuilder();
- final BufferedReader br = getBufferedReader();
- String line;
- try {
- while ((line = br.readLine()) != null) {
- sb.append('\n');
- sb.append(line);
- }
- } catch (final IOException e) {
- Log.e(USABILITY_TAG, "Can't read log file.");
- } finally {
- if (LatinImeLogger.sDBG) {
- Log.d(USABILITY_TAG, "Got all buffered logs\n" + sb.toString());
- }
- try {
- br.close();
- } catch (final IOException e) {
- // ignore.
- }
- }
- return sb.toString();
- }
-
- public void emailResearcherLogsAll() {
- mLoggingHandler.post(new Runnable() {
- @Override
- public void run() {
- final Date date = new Date();
- date.setTime(System.currentTimeMillis());
- final String currentDateTimeString =
- new SimpleDateFormat("yyyyMMdd-HHmmssZ", Locale.US).format(date);
- if (mFile == null) {
- Log.w(USABILITY_TAG, "No internal log file found.");
- return;
- }
- if (mIms.checkCallingOrSelfPermission(
- android.Manifest.permission.WRITE_EXTERNAL_STORAGE)
- != PackageManager.PERMISSION_GRANTED) {
- Log.w(USABILITY_TAG, "Doesn't have the permission WRITE_EXTERNAL_STORAGE");
- return;
- }
- mWriter.flush();
- final String destPath = Environment.getExternalStorageDirectory()
- + "/research-" + currentDateTimeString + ".log";
- final File destFile = new File(destPath);
- try {
- final FileInputStream srcStream = new FileInputStream(mFile);
- final FileOutputStream destStream = new FileOutputStream(destFile);
- final FileChannel src = srcStream.getChannel();
- final FileChannel dest = destStream.getChannel();
- src.transferTo(0, src.size(), dest);
- src.close();
- srcStream.close();
- dest.close();
- destStream.close();
- } catch (final FileNotFoundException e1) {
- Log.w(USABILITY_TAG, e1);
- return;
- } catch (final IOException e2) {
- Log.w(USABILITY_TAG, e2);
- return;
- }
- if (!destFile.exists()) {
- Log.w(USABILITY_TAG, "Dest file doesn't exist.");
- return;
- }
- final Intent intent = new Intent(Intent.ACTION_SEND);
- intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
- if (LatinImeLogger.sDBG) {
- Log.d(USABILITY_TAG, "Destination file URI is " + destFile.toURI());
- }
- intent.setType("text/plain");
- intent.putExtra(Intent.EXTRA_STREAM, Uri.parse("file://" + destPath));
- intent.putExtra(Intent.EXTRA_SUBJECT,
- "[Research Logs] " + currentDateTimeString);
- mIms.startActivity(intent);
- }
- });
- }
-
- public void printAll() {
- mLoggingHandler.post(new Runnable() {
- @Override
- public void run() {
- mIms.getCurrentInputConnection().commitText(getBufferedLogs(), 0);
- }
- });
- }
-
- public void clearAll() {
- mLoggingHandler.post(new Runnable() {
- @Override
- public void run() {
- if (mFile != null && mFile.exists()) {
- if (LatinImeLogger.sDBG) {
- Log.d(USABILITY_TAG, "Delete log file.");
- }
- mFile.delete();
- mWriter.close();
- }
- }
- });
- }
-
- private BufferedReader getBufferedReader() {
- createLogFileIfNotExist();
- try {
- return new BufferedReader(new FileReader(mFile));
- } catch (final FileNotFoundException e) {
- return null;
- }
- }
-
- private PrintWriter getPrintWriter(final File dir, final String filename,
- final boolean renew) throws IOException {
- mFile = new File(dir, filename);
- if (mFile.exists()) {
- if (renew) {
- mFile.delete();
- }
- }
- return new PrintWriter(new FileOutputStream(mFile), true /* autoFlush */);
- }
-}
diff --git a/java/src/com/android/inputmethod/latin/utils/UserLogRingCharBuffer.java b/java/src/com/android/inputmethod/latin/utils/UserLogRingCharBuffer.java
deleted file mode 100644
index a75d353c9..000000000
--- a/java/src/com/android/inputmethod/latin/utils/UserLogRingCharBuffer.java
+++ /dev/null
@@ -1,137 +0,0 @@
-/*
- * 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.utils;
-
-import android.inputmethodservice.InputMethodService;
-
-import com.android.inputmethod.annotations.UsedForTesting;
-import com.android.inputmethod.latin.LatinImeLogger;
-import com.android.inputmethod.latin.settings.Settings;
-
-public final class UserLogRingCharBuffer {
- public /* for test */ static final int BUFSIZE = 20;
- public /* for test */ int mLength = 0;
-
- private static UserLogRingCharBuffer sUserLogRingCharBuffer = new UserLogRingCharBuffer();
- private static final char PLACEHOLDER_DELIMITER_CHAR = '\uFFFC';
- private static final int INVALID_COORDINATE = -2;
- private boolean mEnabled = false;
- private int mEnd = 0;
- private char[] mCharBuf = new char[BUFSIZE];
- private int[] mXBuf = new int[BUFSIZE];
- private int[] mYBuf = new int[BUFSIZE];
-
- private UserLogRingCharBuffer() {
- // Intentional empty constructor for singleton.
- }
-
- @UsedForTesting
- public static UserLogRingCharBuffer getInstance() {
- return sUserLogRingCharBuffer;
- }
-
- public static UserLogRingCharBuffer init(final InputMethodService context,
- final boolean enabled, final boolean usabilityStudy) {
- if (!(enabled || usabilityStudy)) {
- return null;
- }
- sUserLogRingCharBuffer.mEnabled = true;
- UsabilityStudyLogUtils.getInstance().init(context);
- return sUserLogRingCharBuffer;
- }
-
- private static int normalize(final int in) {
- int ret = in % BUFSIZE;
- return ret < 0 ? ret + BUFSIZE : ret;
- }
-
- // TODO: accept code points
- @UsedForTesting
- public void push(final char c, final int x, final int y) {
- if (!mEnabled) {
- return;
- }
- if (LatinImeLogger.sUsabilityStudy) {
- UsabilityStudyLogUtils.getInstance().writeChar(c, x, y);
- }
- mCharBuf[mEnd] = c;
- mXBuf[mEnd] = x;
- mYBuf[mEnd] = y;
- mEnd = normalize(mEnd + 1);
- if (mLength < BUFSIZE) {
- ++mLength;
- }
- }
-
- public char pop() {
- if (mLength < 1) {
- return PLACEHOLDER_DELIMITER_CHAR;
- }
- mEnd = normalize(mEnd - 1);
- --mLength;
- return mCharBuf[mEnd];
- }
-
- public char getBackwardNthChar(final int n) {
- if (mLength <= n || n < 0) {
- return PLACEHOLDER_DELIMITER_CHAR;
- }
- return mCharBuf[normalize(mEnd - n - 1)];
- }
-
- public int getPreviousX(final char c, final int back) {
- final int index = normalize(mEnd - 2 - back);
- if (mLength <= back
- || Character.toLowerCase(c) != Character.toLowerCase(mCharBuf[index])) {
- return INVALID_COORDINATE;
- }
- return mXBuf[index];
- }
-
- public int getPreviousY(final char c, final int back) {
- int index = normalize(mEnd - 2 - back);
- if (mLength <= back
- || Character.toLowerCase(c) != Character.toLowerCase(mCharBuf[index])) {
- return INVALID_COORDINATE;
- }
- return mYBuf[index];
- }
-
- public String getLastWord(final int ignoreCharCount) {
- final StringBuilder sb = new StringBuilder();
- int i = ignoreCharCount;
- for (; i < mLength; ++i) {
- final char c = mCharBuf[normalize(mEnd - 1 - i)];
- if (!Settings.getInstance().isWordSeparator(c)) {
- break;
- }
- }
- for (; i < mLength; ++i) {
- char c = mCharBuf[normalize(mEnd - 1 - i)];
- if (!Settings.getInstance().isWordSeparator(c)) {
- sb.append(c);
- } else {
- break;
- }
- }
- return sb.reverse().toString();
- }
-
- public void reset() {
- mLength = 0;
- }
-}