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Diffstat (limited to 'java/src/com/android/inputmethod/latin/ContactsDictionary.java')
| -rw-r--r-- | java/src/com/android/inputmethod/latin/ContactsDictionary.java | 178 |
1 files changed, 0 insertions, 178 deletions
diff --git a/java/src/com/android/inputmethod/latin/ContactsDictionary.java b/java/src/com/android/inputmethod/latin/ContactsDictionary.java deleted file mode 100644 index cbfbd0ec8..000000000 --- a/java/src/com/android/inputmethod/latin/ContactsDictionary.java +++ /dev/null @@ -1,178 +0,0 @@ -/* - * Copyright (C) 2009 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.Context; -import android.database.ContentObserver; -import android.database.Cursor; -import android.os.SystemClock; -import android.provider.BaseColumns; -import android.provider.ContactsContract.Contacts; -import android.text.TextUtils; -import android.util.Log; - -import com.android.inputmethod.keyboard.Keyboard; - -// TODO: This class is superseded by {@link ContactsBinaryDictionary}. Should be cleaned up. -/** - * An expandable dictionary that stores the words from Contacts provider. - * - * @deprecated Use {@link ContactsBinaryDictionary}. - */ -@Deprecated -public class ContactsDictionary extends ExpandableDictionary { - - private static final String[] PROJECTION = { - BaseColumns._ID, - Contacts.DISPLAY_NAME, - }; - - private static final String TAG = "ContactsDictionary"; - - /** - * Frequency for contacts information into the dictionary - */ - private static final int FREQUENCY_FOR_CONTACTS = 40; - private static final int FREQUENCY_FOR_CONTACTS_BIGRAM = 90; - - private static final int INDEX_NAME = 1; - - private ContentObserver mObserver; - - private long mLastLoadedContacts; - - public ContactsDictionary(final Context context, final int dicTypeId) { - super(context, dicTypeId); - registerObserver(context); - loadDictionary(); - } - - private synchronized void registerObserver(final Context context) { - // Perform a managed query. The Activity will handle closing and requerying the cursor - // when needed. - if (mObserver != null) return; - ContentResolver cres = context.getContentResolver(); - cres.registerContentObserver( - Contacts.CONTENT_URI, true, mObserver = new ContentObserver(null) { - @Override - public void onChange(boolean self) { - setRequiresReload(true); - } - }); - } - - public void reopen(final Context context) { - registerObserver(context); - } - - @Override - public synchronized void close() { - if (mObserver != null) { - getContext().getContentResolver().unregisterContentObserver(mObserver); - mObserver = null; - } - super.close(); - } - - @Override - public void startDictionaryLoadingTaskLocked() { - long now = SystemClock.uptimeMillis(); - if (mLastLoadedContacts == 0 - || now - mLastLoadedContacts > 30 * 60 * 1000 /* 30 minutes */) { - super.startDictionaryLoadingTaskLocked(); - } - } - - @Override - public void loadDictionaryAsync() { - try { - Cursor cursor = getContext().getContentResolver() - .query(Contacts.CONTENT_URI, PROJECTION, null, null, null); - if (cursor != null) { - addWords(cursor); - } - } catch(IllegalStateException e) { - Log.e(TAG, "Contacts DB is having problems"); - } - mLastLoadedContacts = SystemClock.uptimeMillis(); - } - - @Override - public void getBigrams(final WordComposer codes, final CharSequence previousWord, - final WordCallback callback) { - // Do not return bigrams from Contacts when nothing was typed. - if (codes.size() <= 0) return; - super.getBigrams(codes, previousWord, callback); - } - - private void addWords(Cursor cursor) { - clearDictionary(); - - final int maxWordLength = getMaxWordLength(); - try { - if (cursor.moveToFirst()) { - while (!cursor.isAfterLast()) { - String name = cursor.getString(INDEX_NAME); - - if (name != null && -1 == name.indexOf('@')) { - int len = name.length(); - String prevWord = null; - - // TODO: Better tokenization for non-Latin writing systems - for (int i = 0; i < len; i++) { - if (Character.isLetter(name.charAt(i))) { - int j; - for (j = i + 1; j < len; j++) { - char c = name.charAt(j); - - if (!(c == Keyboard.CODE_DASH - || c == Keyboard.CODE_SINGLE_QUOTE - || Character.isLetter(c))) { - break; - } - } - - String word = name.substring(i, j); - i = j - 1; - - // Safeguard against adding really long words. Stack - // may overflow due to recursion - // Also don't add single letter words, possibly confuses - // capitalization of i. - final int wordLen = word.length(); - if (wordLen < maxWordLength && wordLen > 1) { - super.addWord(word, null /* shortcut */, - FREQUENCY_FOR_CONTACTS); - if (!TextUtils.isEmpty(prevWord)) { - super.setBigramAndGetFrequency(prevWord, word, - FREQUENCY_FOR_CONTACTS_BIGRAM); - } - prevWord = word; - } - } - } - } - cursor.moveToNext(); - } - } - cursor.close(); - } catch(IllegalStateException e) { - Log.e(TAG, "Contacts DB is having problems"); - } - } -} |