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Merge "Deactivate the user unigram dictionary."

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Jean Chalard 2011-07-19 01:50:57 -07:00 committed by Android (Google) Code Review
parent 2b4eabed2b 52f20d6a43
commit 494ab16396
1 changed files with 18 additions and 6 deletions
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24
java/src/com/android/inputmethod/latin/UserUnigramDictionary.java
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@ -36,6 +36,8 @@ import java.util.Set;
* for suggesting and re-ordering of candidates.
*/
public class UserUnigramDictionary extends ExpandableDictionary {
static final boolean ENABLE_USER_UNIGRAM_DICTIONARY = false;
// Weight added to a user picking a new word from the suggestion strip
static final int FREQUENCY_FOR_PICKED = 3;
// Weight added to a user typing a new word that doesn't get corrected (or is reverted)
@ -71,17 +73,22 @@ public class UserUnigramDictionary extends ExpandableDictionary {
private static HashMap<String, String> sDictProjectionMap;
static {
sDictProjectionMap = new HashMap<String, String>();
sDictProjectionMap.put(COLUMN_ID, COLUMN_ID);
sDictProjectionMap.put(COLUMN_WORD, COLUMN_WORD);
sDictProjectionMap.put(COLUMN_FREQUENCY, COLUMN_FREQUENCY);
sDictProjectionMap.put(COLUMN_LOCALE, COLUMN_LOCALE);
if (ENABLE_USER_UNIGRAM_DICTIONARY) {
sDictProjectionMap = new HashMap<String, String>();
sDictProjectionMap.put(COLUMN_ID, COLUMN_ID);
sDictProjectionMap.put(COLUMN_WORD, COLUMN_WORD);
sDictProjectionMap.put(COLUMN_FREQUENCY, COLUMN_FREQUENCY);
sDictProjectionMap.put(COLUMN_LOCALE, COLUMN_LOCALE);
}
}
private static DatabaseHelper sOpenHelper = null;
public UserUnigramDictionary(Context context, LatinIME ime, String locale, int dicTypeId) {
super(context, dicTypeId);
// Super must be first statement of the constructor... I'd like not to do it if the
// user unigram dictionary is not enabled, but Java won't let me.
if (!ENABLE_USER_UNIGRAM_DICTIONARY) return;
mIme = ime;
mLocale = locale;
if (sOpenHelper == null) {
@ -94,22 +101,25 @@ public class UserUnigramDictionary extends ExpandableDictionary {
@Override
public synchronized boolean isValidWord(CharSequence word) {
if (!ENABLE_USER_UNIGRAM_DICTIONARY) return false;
final int frequency = getWordFrequency(word);
return frequency >= VALIDITY_THRESHOLD;
}
@Override
public void close() {
super.close();
if (!ENABLE_USER_UNIGRAM_DICTIONARY) return;
flushPendingWrites();
// Don't close the database as locale changes will require it to be reopened anyway
// Also, the database is written to somewhat frequently, so it needs to be kept alive
// throughout the life of the process.
// mOpenHelper.close();
super.close();
}
@Override
public void loadDictionaryAsync() {
if (!ENABLE_USER_UNIGRAM_DICTIONARY) return;
// Load the words that correspond to the current input locale
Cursor cursor = query(COLUMN_LOCALE + "=?", new String[] { mLocale });
try {
@ -134,6 +144,7 @@ public class UserUnigramDictionary extends ExpandableDictionary {
@Override
public void addWord(String newWord, int addFrequency) {
if (!ENABLE_USER_UNIGRAM_DICTIONARY) return;
String word = newWord;
final int length = word.length();
// Don't add very short or very long words.
@ -156,6 +167,7 @@ public class UserUnigramDictionary extends ExpandableDictionary {
* Schedules a background thread to write any pending words to the database.
*/
public void flushPendingWrites() {
if (!ENABLE_USER_UNIGRAM_DICTIONARY) return;
synchronized (mPendingWritesLock) {
// Nothing pending? Return
if (mPendingWrites.isEmpty()) return;