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Fix a bug where the user dict's locale match would be wrong

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This is preparation for
Bug: 5280929

Change-Id: Iab0096acf057aa288b1986d225aad815bd70b145
This commit is contained in:
Jean Chalard 2011-09-13 21:42:16 +09:00
parent ea843f2a24
commit d97def5925
1 changed files with 33 additions and 5 deletions
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38
java/src/com/android/inputmethod/latin/UserDictionary.java
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@ -25,16 +25,17 @@ import android.database.Cursor;
import android.net.Uri; import android.net.Uri;
import android.os.RemoteException; import android.os.RemoteException;
import android.provider.UserDictionary.Words; import android.provider.UserDictionary.Words;
import android.text.TextUtils;
import com.android.inputmethod.keyboard.ProximityInfo; import com.android.inputmethod.keyboard.ProximityInfo;
public class UserDictionary extends ExpandableDictionary { public class UserDictionary extends ExpandableDictionary {
private static final String[] PROJECTION_QUERY = { private static final String[] PROJECTION_QUERY = {
Words.WORD, Words.WORD,
Words.FREQUENCY, Words.FREQUENCY,
}; };
private static final String[] PROJECTION_ADD = { private static final String[] PROJECTION_ADD = {
Words._ID, Words._ID,
Words.FREQUENCY, Words.FREQUENCY,
@ -42,10 +43,11 @@ public class UserDictionary extends ExpandableDictionary {
}; };
private ContentObserver mObserver; private ContentObserver mObserver;
private String mLocale; final private String mLocale;
public UserDictionary(Context context, String locale) { public UserDictionary(Context context, String locale) {
super(context, Suggest.DIC_USER); super(context, Suggest.DIC_USER);
if (null == locale) throw new NullPointerException(); // Catch the error earlier
mLocale = locale; mLocale = locale;
// Perform a managed query. The Activity will handle closing and re-querying the cursor // Perform a managed query. The Activity will handle closing and re-querying the cursor
// when needed. // when needed.
@ -73,9 +75,35 @@ public class UserDictionary extends ExpandableDictionary {
@Override @Override
public void loadDictionaryAsync() { public void loadDictionaryAsync() {
// Split the locale. For example "en" => ["en"], "de_DE" => ["de", "DE"],
// "en_US_foo_bar_qux" => ["en", "US", "foo_bar_qux"] because of the limit of 3.
// This is correct for locale processing.
// For this example, we'll look at the "en_US_POSIX" case.
final String[] localeElements =
TextUtils.isEmpty(mLocale) ? new String[] {} : mLocale.split("_", 3);
final StringBuilder request = new StringBuilder("(locale is NULL)");
String localeSoFar = "";
// At start, localeElements = ["en", "US", "POSIX"] ; localeSoFar = "" ;
// and request = "(locale is NULL)"
for (int i = 0; i < localeElements.length; ++i) {
// i | localeSoFar | localeElements
// 0 | "" | ["en", "US", "POSIX"]
// 1 | "en_" | ["en", "US", "POSIX"]
// 2 | "en_US_" | ["en", "en_US", "POSIX"]
localeElements[i] = localeSoFar + localeElements[i];
localeSoFar = localeElements[i] + "_";
// i | request
// 0 | "(locale is NULL)"
// 1 | "(locale is NULL) or (locale=?)"
// 2 | "(locale is NULL) or (locale=?) or (locale=?)"
request.append(" or (locale=?)");
}
// At the end, localeElements = ["en", "en_US", "en_US_POSIX"]; localeSoFar = en_US_POSIX_"
// and request = "(locale is NULL) or (locale=?) or (locale=?) or (locale=?)"
Cursor cursor = getContext().getContentResolver() Cursor cursor = getContext().getContentResolver()
.query(Words.CONTENT_URI, PROJECTION_QUERY, "(locale IS NULL) or (locale=?)", .query(Words.CONTENT_URI, PROJECTION_QUERY, request.toString(),
new String[] { mLocale }, null); localeElements, null);
addWords(cursor); addWords(cursor);
} }