19066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 29066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Copyright (C) 2007 The Android Open Source Project 39066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 49066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Licensed under the Apache License, Version 2.0 (the "License"); 59066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * you may not use this file except in compliance with the License. 69066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * You may obtain a copy of the License at 79066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 89066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 99066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Unless required by applicable law or agreed to in writing, software 119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * See the License for the specific language governing permissions and 149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * limitations under the License. 159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpackage android.text.method; 189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.content.ContentResolver; 209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.content.Context; 219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.database.ContentObserver; 229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.os.Handler; 239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.provider.Settings; 249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.provider.Settings.System; 259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.text.*; 269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.KeyCharacterMap; 279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.KeyEvent; 289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.View; 299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.text.InputType; 309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.lang.ref.WeakReference; 329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/** 349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This is the key listener for typing normal text. It delegates to 359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * other key listeners appropriate to the current keyboard and language. 36405bc51c5dc73846a4abdc325cd234eb2d37469fJean Chalard * <p></p> 37405bc51c5dc73846a4abdc325cd234eb2d37469fJean Chalard * As for all implementations of {@link KeyListener}, this class is only concerned 38405bc51c5dc73846a4abdc325cd234eb2d37469fJean Chalard * with hardware keyboards. Software input methods have no obligation to trigger 39405bc51c5dc73846a4abdc325cd234eb2d37469fJean Chalard * the methods in this class. 409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpublic class TextKeyListener extends BaseKeyListener implements SpanWatcher { 429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static TextKeyListener[] sInstance = 439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project new TextKeyListener[Capitalize.values().length * 2]; 449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* package */ static final Object ACTIVE = new NoCopySpan.Concrete(); 469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* package */ static final Object CAPPED = new NoCopySpan.Concrete(); 479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* package */ static final Object INHIBIT_REPLACEMENT = new NoCopySpan.Concrete(); 489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* package */ static final Object LAST_TYPED = new NoCopySpan.Concrete(); 499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private Capitalize mAutoCap; 519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private boolean mAutoText; 529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mPrefs; 549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private boolean mPrefsInited; 559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* package */ static final int AUTO_CAP = 1; 579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* package */ static final int AUTO_TEXT = 2; 589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* package */ static final int AUTO_PERIOD = 4; 599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* package */ static final int SHOW_PASSWORD = 8; 609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private WeakReference<ContentResolver> mResolver; 619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private TextKeyListener.SettingsObserver mObserver; 629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Creates a new TextKeyListener with the specified capitalization 659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * and correction properties. 669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param cap when, if ever, to automatically capitalize. 689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param autotext whether to automatically do spelling corrections. 699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public TextKeyListener(Capitalize cap, boolean autotext) { 719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mAutoCap = cap; 729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mAutoText = autotext; 739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns a new or existing instance with the specified capitalization 779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * and correction properties. 789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param cap when, if ever, to automatically capitalize. 809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param autotext whether to automatically do spelling corrections. 819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static TextKeyListener getInstance(boolean autotext, 839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Capitalize cap) { 849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int off = cap.ordinal() * 2 + (autotext ? 1 : 0); 859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (sInstance[off] == null) { 879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sInstance[off] = new TextKeyListener(cap, autotext); 889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return sInstance[off]; 919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns a new or existing instance with no automatic capitalization 959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * or correction. 969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static TextKeyListener getInstance() { 989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return getInstance(false, Capitalize.NONE); 999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns whether it makes sense to automatically capitalize at the 1039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * specified position in the specified text, with the specified rules. 1049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 1059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param cap the capitalization rules to consider. 1069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param cs the text in which an insertion is being made. 1079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param off the offset into that text where the insertion is being made. 1089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 1099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return whether the character being inserted should be capitalized. 1109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static boolean shouldCap(Capitalize cap, CharSequence cs, int off) { 1129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int i; 1139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char c; 1149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (cap == Capitalize.NONE) { 1169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 1179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (cap == Capitalize.CHARACTERS) { 1199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 1209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return TextUtils.getCapsMode(cs, off, cap == Capitalize.WORDS 1239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ? TextUtils.CAP_MODE_WORDS : TextUtils.CAP_MODE_SENTENCES) 1249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project != 0; 1259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getInputType() { 1289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return makeTextContentType(mAutoCap, mAutoText); 1299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 1329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean onKeyDown(View view, Editable content, 1339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int keyCode, KeyEvent event) { 1349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project KeyListener im = getKeyListener(event); 1359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return im.onKeyDown(view, content, keyCode, event); 1379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 1409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean onKeyUp(View view, Editable content, 1419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int keyCode, KeyEvent event) { 1429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project KeyListener im = getKeyListener(event); 1439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return im.onKeyUp(view, content, keyCode, event); 1459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 1489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean onKeyOther(View view, Editable content, KeyEvent event) { 1499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project KeyListener im = getKeyListener(event); 1509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return im.onKeyOther(view, content, event); 1529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Clear all the input state (autotext, autocap, multitap, undo) 1569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * from the specified Editable, going beyond Editable.clear(), which 1579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * just clears the text but not the input state. 1589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 1599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param e the buffer whose text and state are to be cleared. 1609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static void clear(Editable e) { 1629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project e.clear(); 1639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project e.removeSpan(ACTIVE); 1649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project e.removeSpan(CAPPED); 1659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project e.removeSpan(INHIBIT_REPLACEMENT); 1669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project e.removeSpan(LAST_TYPED); 1679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project QwertyKeyListener.Replaced[] repl = e.getSpans(0, e.length(), 1699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project QwertyKeyListener.Replaced.class); 1709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int count = repl.length; 1719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < count; i++) { 1729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project e.removeSpan(repl[i]); 1739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void onSpanAdded(Spannable s, Object what, int start, int end) { } 1779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void onSpanRemoved(Spannable s, Object what, int start, int end) { } 1789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void onSpanChanged(Spannable s, Object what, int start, int end, 1809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int st, int en) { 1819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (what == Selection.SELECTION_END) { 1829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project s.removeSpan(ACTIVE); 1839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private KeyListener getKeyListener(KeyEvent event) { 1876b53e8daa69cba1a2a5a7c95a01e37ce9c53226cJeff Brown KeyCharacterMap kmap = event.getKeyCharacterMap(); 1889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int kind = kmap.getKeyboardType(); 1899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (kind == KeyCharacterMap.ALPHA) { 1919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return QwertyKeyListener.getInstance(mAutoText, mAutoCap); 1929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (kind == KeyCharacterMap.NUMERIC) { 1939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return MultiTapKeyListener.getInstance(mAutoText, mAutoCap); 1946b53e8daa69cba1a2a5a7c95a01e37ce9c53226cJeff Brown } else if (kind == KeyCharacterMap.FULL 1956b53e8daa69cba1a2a5a7c95a01e37ce9c53226cJeff Brown || kind == KeyCharacterMap.SPECIAL_FUNCTION) { 19647e6b1b5eef8ee99872f278f66bc498c4fcca0d8Jeff Brown // We consider special function keyboards full keyboards as a workaround for 19747e6b1b5eef8ee99872f278f66bc498c4fcca0d8Jeff Brown // devices that do not have built-in keyboards. Applications may try to inject 19847e6b1b5eef8ee99872f278f66bc498c4fcca0d8Jeff Brown // key events using the built-in keyboard device id which may be configured as 19947e6b1b5eef8ee99872f278f66bc498c4fcca0d8Jeff Brown // a special function keyboard using a default key map. Ideally, as of Honeycomb, 20047e6b1b5eef8ee99872f278f66bc498c4fcca0d8Jeff Brown // these applications should be modified to use KeyCharacterMap.VIRTUAL_KEYBOARD. 20147e6b1b5eef8ee99872f278f66bc498c4fcca0d8Jeff Brown return QwertyKeyListener.getInstanceForFullKeyboard(); 2029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NullKeyListener.getInstance(); 2059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public enum Capitalize { 2089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project NONE, SENTENCES, WORDS, CHARACTERS, 2099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static class NullKeyListener implements KeyListener 2129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 2139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getInputType() { 2149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return InputType.TYPE_NULL; 2159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean onKeyDown(View view, Editable content, 2189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int keyCode, KeyEvent event) { 2199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 2209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean onKeyUp(View view, Editable content, int keyCode, 2239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project KeyEvent event) { 2249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 2259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean onKeyOther(View view, Editable content, KeyEvent event) { 2289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 2299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void clearMetaKeyState(View view, Editable content, int states) { 2329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static NullKeyListener getInstance() { 2359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (sInstance != null) 2369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return sInstance; 2379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sInstance = new NullKeyListener(); 2399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return sInstance; 2409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static NullKeyListener sInstance; 2439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void release() { 2469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mResolver != null) { 2479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final ContentResolver contentResolver = mResolver.get(); 2489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (contentResolver != null) { 2499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project contentResolver.unregisterContentObserver(mObserver); 2509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mResolver.clear(); 2519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mObserver = null; 2539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mResolver = null; 2549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPrefsInited = false; 2559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void initPrefs(Context context) { 2599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final ContentResolver contentResolver = context.getContentResolver(); 2609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mResolver = new WeakReference<ContentResolver>(contentResolver); 261d35180cf52d8a84b5bd45a3f6428449bbc0a3283Gilles Debunne if (mObserver == null) { 262d35180cf52d8a84b5bd45a3f6428449bbc0a3283Gilles Debunne mObserver = new SettingsObserver(); 263d35180cf52d8a84b5bd45a3f6428449bbc0a3283Gilles Debunne contentResolver.registerContentObserver(Settings.System.CONTENT_URI, true, mObserver); 264d35180cf52d8a84b5bd45a3f6428449bbc0a3283Gilles Debunne } 2659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project updatePrefs(contentResolver); 2679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPrefsInited = true; 2689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private class SettingsObserver extends ContentObserver { 2719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public SettingsObserver() { 2729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super(new Handler()); 2739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 2769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void onChange(boolean selfChange) { 2779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mResolver != null) { 2789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final ContentResolver contentResolver = mResolver.get(); 2799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (contentResolver == null) { 2809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPrefsInited = false; 2819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 2829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project updatePrefs(contentResolver); 2839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 2859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPrefsInited = false; 2869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void updatePrefs(ContentResolver resolver) { 2919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean cap = System.getInt(resolver, System.TEXT_AUTO_CAPS, 1) > 0; 2929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean text = System.getInt(resolver, System.TEXT_AUTO_REPLACE, 1) > 0; 2939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean period = System.getInt(resolver, System.TEXT_AUTO_PUNCTUATE, 1) > 0; 2949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean pw = System.getInt(resolver, System.TEXT_SHOW_PASSWORD, 1) > 0; 2959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPrefs = (cap ? AUTO_CAP : 0) | 2979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (text ? AUTO_TEXT : 0) | 2989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (period ? AUTO_PERIOD : 0) | 2999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (pw ? SHOW_PASSWORD : 0); 3009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* package */ int getPrefs(Context context) { 3039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project synchronized (this) { 3049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!mPrefsInited || mResolver.get() == null) { 3059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project initPrefs(context); 3069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mPrefs; 3109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 312