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Commit d97def59 authored by Jean Chalard's avatar Jean Chalard
Browse files

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

This is preparation for
Bug: 5280929

Change-Id: Iab0096acf057aa288b1986d225aad815bd70b145
parent ea843f2a

java/src/com/android/inputmethod/latin/UserDictionary.java

+33 −5
Original line number Diff line number Diff line
@@ -25,6 +25,7 @@ import android.database.Cursor; 
import android.net.Uri;

import android.os.RemoteException;

import android.provider.UserDictionary.Words;

import android.text.TextUtils;



import com.android.inputmethod.keyboard.ProximityInfo;
@@ -42,10 +43,11 @@ public class UserDictionary extends ExpandableDictionary { 
    };



    private ContentObserver mObserver;

    private String mLocale;

    final private String mLocale;



    public UserDictionary(Context context, String locale) {

        super(context, Suggest.DIC_USER);

        if (null == locale) throw new NullPointerException(); // Catch the error earlier

        mLocale = locale;

        // Perform a managed query. The Activity will handle closing and re-querying the cursor

        // when needed.
@@ -73,9 +75,35 @@ public class UserDictionary extends ExpandableDictionary { 


    @Override

    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()

                .query(Words.CONTENT_URI, PROJECTION_QUERY, "(locale IS NULL) or (locale=?)",

                        new String[] { mLocale }, null);

                .query(Words.CONTENT_URI, PROJECTION_QUERY, request.toString(),

                        localeElements, null);

        addWords(cursor);

    }