1 files changed, 0 insertions, 217 deletions
diff --git a/src/com/android/inputmethod/latin/AutoDictionary.java b/src/com/android/inputmethod/latin/AutoDictionary.java
deleted file mode 100644
index 3d76dc301..000000000
--- a/src/com/android/inputmethod/latin/AutoDictionary.java
+++ /dev/null
@@ -1,217 +0,0 @@
-/*
- * Copyright (C) 2010 Google Inc.
- *
- * 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;
-
-import java.util.HashMap;
-
-import android.content.ContentValues;
-import android.content.Context;
-import android.database.Cursor;
-import android.database.sqlite.SQLiteDatabase;
-import android.database.sqlite.SQLiteOpenHelper;
-import android.database.sqlite.SQLiteQueryBuilder;
-import android.provider.BaseColumns;
-import android.provider.UserDictionary.Words;
-import android.util.Log;
-
-/**
- * Stores new words temporarily until they are promoted to the user dictionary
- * for longevity. Words in the auto dictionary are used to determine if it's ok
- * to accept a word that's not in the main or user dictionary. Using a new word
- * repeatedly will promote it to the user dictionary.
- */
-public class AutoDictionary extends ExpandableDictionary {
-    // 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)
-    static final int FREQUENCY_FOR_TYPED = 1;
-    // A word that is frequently typed and gets promoted to the user dictionary, uses this
-    // frequency.
-    static final int FREQUENCY_FOR_AUTO_ADD = 250;
-    // If the user touches a typed word 2 times or more, it will become valid.
-    private static final int VALIDITY_THRESHOLD = 2 * FREQUENCY_FOR_PICKED;
-    // If the user touches a typed word 4 times or more, it will be added to the user dict.
-    private static final int PROMOTION_THRESHOLD = 4 * FREQUENCY_FOR_PICKED;
-
-    private LatinIME mIme;
-    // Locale for which this auto dictionary is storing words
-    private String mLocale;
-
-    private static final String DATABASE_NAME = "auto_dict.db";
-    private static final int DATABASE_VERSION = 1;
-
-    // These are the columns in the dictionary
-    // TODO: Consume less space by using a unique id for locale instead of the whole
-    // 2-5 character string.
-    private static final String COLUMN_ID = BaseColumns._ID;
-    private static final String COLUMN_WORD = "word";
-    private static final String COLUMN_FREQUENCY = "freq";
-    private static final String COLUMN_LOCALE = "locale";
-
-    /** Sort by descending order of frequency. */
-    public static final String DEFAULT_SORT_ORDER = COLUMN_FREQUENCY + " DESC";
-
-    /** Name of the words table in the auto_dict.db */
-    private static final String AUTODICT_TABLE_NAME = "words";
-
-    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);
-    }
-
-    private DatabaseHelper mOpenHelper;
-
-    public AutoDictionary(Context context, LatinIME ime, String locale) {
-        super(context);
-        mIme = ime;
-        mLocale = locale;
-        mOpenHelper = new DatabaseHelper(getContext());
-        if (mLocale != null && mLocale.length() > 1) {
-            loadDictionary();
-        }
-    }
-
-    @Override
-    public boolean isValidWord(CharSequence word) {
-        final int frequency = getWordFrequency(word);
-        return frequency >= VALIDITY_THRESHOLD;
-    }
-
-    public void close() {
-        mOpenHelper.close();
-    }
-
-    private void loadDictionary() {
-        // Load the words that correspond to the current input locale
-        Cursor cursor = query(COLUMN_LOCALE + "=?", new String[] { mLocale });
-        if (cursor.moveToFirst()) {
-            int wordIndex = cursor.getColumnIndex(COLUMN_WORD);
-            int frequencyIndex = cursor.getColumnIndex(COLUMN_FREQUENCY);
-            while (!cursor.isAfterLast()) {
-                String word = cursor.getString(wordIndex);
-                int frequency = cursor.getInt(frequencyIndex);
-                // Safeguard against adding really long words. Stack may overflow due
-                // to recursive lookup
-                if (word.length() < getMaxWordLength()) {
-                    super.addWord(word, frequency);
-                }
-                cursor.moveToNext();
-            }
-        }
-        cursor.close();
-    }
-
-    @Override
-    public void addWord(String word, int addFrequency) {
-        final int length = word.length();
-        // Don't add very short or very long words.
-        if (length < 2 || length > getMaxWordLength()) return;
-        if (mIme.getCurrentWord().isAutoCapitalized()) {
-            // Remove caps before adding
-            word = Character.toLowerCase(word.charAt(0)) + word.substring(1);
-        }
-        int freq = getWordFrequency(word);
-        freq = freq < 0 ? addFrequency : freq + addFrequency;
-        super.addWord(word, freq);
-        if (freq >= PROMOTION_THRESHOLD) {
-            mIme.promoteToUserDictionary(word, FREQUENCY_FOR_AUTO_ADD);
-            // Delete the word (for input locale) from the auto dictionary db, as it
-            // is now in the user dictionary provider.
-            delete(COLUMN_WORD + "=? AND " + COLUMN_LOCALE + "=?",
-                    new String[] { word, mLocale });
-        } else {
-            update(word, freq, mLocale);
-        }
-    }
-
-    /**
-     * This class helps open, create, and upgrade the database file.
-     */
-    private static class DatabaseHelper extends SQLiteOpenHelper {
-
-        DatabaseHelper(Context context) {
-            super(context, DATABASE_NAME, null, DATABASE_VERSION);
-        }
-
-        @Override
-        public void onCreate(SQLiteDatabase db) {
-            db.execSQL("CREATE TABLE " + AUTODICT_TABLE_NAME + " ("
-                    + COLUMN_ID + " INTEGER PRIMARY KEY,"
-                    + COLUMN_WORD + " TEXT,"
-                    + COLUMN_FREQUENCY + " INTEGER,"
-                    + COLUMN_LOCALE + " TEXT"
-                    + ");");
-        }
-
-        @Override
-        public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
-            Log.w("AutoDictionary", "Upgrading database from version " + oldVersion + " to "
-                    + newVersion + ", which will destroy all old data");
-            db.execSQL("DROP TABLE IF EXISTS " + AUTODICT_TABLE_NAME);
-            onCreate(db);
-        }
-    }
-
-    private Cursor query(String selection, String[] selectionArgs) {
-        SQLiteQueryBuilder qb = new SQLiteQueryBuilder();
-        qb.setTables(AUTODICT_TABLE_NAME);
-        qb.setProjectionMap(sDictProjectionMap);
-
-        // Get the database and run the query
-        SQLiteDatabase db = mOpenHelper.getReadableDatabase();
-        Cursor c = qb.query(db, null, selection, selectionArgs, null, null,
-                DEFAULT_SORT_ORDER);
-        return c;
-    }
-
-    private boolean insert(ContentValues values) {
-        SQLiteDatabase db = mOpenHelper.getWritableDatabase();
-        long rowId = db.insert(AUTODICT_TABLE_NAME, Words.WORD, values);
-        if (rowId > 0) {
-            return true;
-        }
-        return false;
-    }
-
-    private int delete(String where, String[] whereArgs) {
-        SQLiteDatabase db = mOpenHelper.getWritableDatabase();
-        int count = db.delete(AUTODICT_TABLE_NAME, where, whereArgs);
-        return count;
-    }
-
-    private int update(String word, int frequency, String locale) {
-        SQLiteDatabase db = mOpenHelper.getWritableDatabase();
-        long count = db.delete(AUTODICT_TABLE_NAME, COLUMN_WORD + "=? AND " + COLUMN_LOCALE + "=?",
-                new String[] { word, locale });
-        count = db.insert(AUTODICT_TABLE_NAME, null,
-                getContentValues(word, frequency, locale));
-        return (int) count;
-    }
-
-    private ContentValues getContentValues(String word, int frequency, String locale) {
-        ContentValues values = new ContentValues(4);
-        values.put(COLUMN_WORD, word);
-        values.put(COLUMN_FREQUENCY, frequency);
-        values.put(COLUMN_LOCALE, locale);
-        return values;
-    }
-}