diff options
Diffstat (limited to 'java/src/com/android/inputmethod/latin/UserDictionary.java')
| -rw-r--r-- | java/src/com/android/inputmethod/latin/UserDictionary.java | 158 |
1 files changed, 0 insertions, 158 deletions
diff --git a/java/src/com/android/inputmethod/latin/UserDictionary.java b/java/src/com/android/inputmethod/latin/UserDictionary.java deleted file mode 100644 index c06bd736e..000000000 --- a/java/src/com/android/inputmethod/latin/UserDictionary.java +++ /dev/null @@ -1,158 +0,0 @@ -/* - * Copyright (C) 2008 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; - -import android.content.ContentResolver; -import android.content.ContentValues; -import android.content.Context; -import android.database.ContentObserver; -import android.database.Cursor; -import android.net.Uri; -import android.provider.UserDictionary.Words; - -public class UserDictionary extends ExpandableDictionary { - - private static final String[] PROJECTION_QUERY = { - Words.WORD, - Words.FREQUENCY, - }; - - private static final String[] PROJECTION_ADD = { - Words._ID, - Words.FREQUENCY, - Words.LOCALE, - }; - - private ContentObserver mObserver; - private String mLocale; - - public UserDictionary(Context context, String locale) { - super(context, Suggest.DIC_USER); - mLocale = locale; - // Perform a managed query. The Activity will handle closing and requerying the cursor - // when needed. - ContentResolver cres = context.getContentResolver(); - - cres.registerContentObserver(Words.CONTENT_URI, true, mObserver = new ContentObserver(null) { - @Override - public void onChange(boolean self) { - setRequiresReload(true); - } - }); - - loadDictionary(); - } - - @Override - public synchronized void close() { - if (mObserver != null) { - getContext().getContentResolver().unregisterContentObserver(mObserver); - mObserver = null; - } - super.close(); - } - - @Override - public void loadDictionaryAsync() { - Cursor cursor = getContext().getContentResolver() - .query(Words.CONTENT_URI, PROJECTION_QUERY, "(locale IS NULL) or (locale=?)", - new String[] { mLocale }, null); - addWords(cursor); - } - - /** - * Adds a word to the dictionary and makes it persistent. - * @param word the word to add. If the word is capitalized, then the dictionary will - * recognize it as a capitalized word when searched. - * @param frequency the frequency of occurrence of the word. A frequency of 255 is considered - * the highest. - * @TODO use a higher or float range for frequency - */ - @Override - public synchronized void addWord(final String word, final int frequency) { - // Force load the dictionary here synchronously - if (getRequiresReload()) loadDictionaryAsync(); - // Safeguard against adding long words. Can cause stack overflow. - if (word.length() >= getMaxWordLength()) return; - - super.addWord(word, frequency); - - // Update the user dictionary provider - final ContentValues values = new ContentValues(5); - values.put(Words.WORD, word); - values.put(Words.FREQUENCY, frequency); - values.put(Words.LOCALE, mLocale); - values.put(Words.APP_ID, 0); - - final ContentResolver contentResolver = getContext().getContentResolver(); - new Thread("addWord") { - @Override - public void run() { - Cursor cursor = contentResolver.query(Words.CONTENT_URI, PROJECTION_ADD, - "word=? and ((locale IS NULL) or (locale=?))", - new String[] { word, mLocale }, null); - if (cursor != null && cursor.moveToFirst()) { - String locale = cursor.getString(cursor.getColumnIndex(Words.LOCALE)); - // If locale is null, we will not override the entry. - if (locale != null && locale.equals(mLocale.toString())) { - long id = cursor.getLong(cursor.getColumnIndex(Words._ID)); - Uri uri = Uri.withAppendedPath(Words.CONTENT_URI, Long.toString(id)); - // Update the entry with new frequency value. - contentResolver.update(uri, values, null, null); - } - } else { - // Insert new entry. - contentResolver.insert(Words.CONTENT_URI, values); - } - } - }.start(); - - // In case the above does a synchronous callback of the change observer - setRequiresReload(false); - } - - @Override - public synchronized void getWords(final WordComposer codes, final WordCallback callback) { - super.getWords(codes, callback); - } - - @Override - public synchronized boolean isValidWord(CharSequence word) { - return super.isValidWord(word); - } - - private void addWords(Cursor cursor) { - clearDictionary(); - if (cursor == null) return; - final int maxWordLength = getMaxWordLength(); - if (cursor.moveToFirst()) { - final int indexWord = cursor.getColumnIndex(Words.WORD); - final int indexFrequency = cursor.getColumnIndex(Words.FREQUENCY); - while (!cursor.isAfterLast()) { - String word = cursor.getString(indexWord); - int frequency = cursor.getInt(indexFrequency); - // Safeguard against adding really long words. Stack may overflow due - // to recursion - if (word.length() < maxWordLength) { - super.addWord(word, frequency); - } - cursor.moveToNext(); - } - } - cursor.close(); - } -} |