PasswordTransformationMethod.java revision 9066cfe9886ac131c34d59ed0e2d287b0e3c0087
19066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 29066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Copyright (C) 2006 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.os.Handler; 209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.os.SystemClock; 219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.graphics.Rect; 229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.View; 239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.text.Editable; 249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.text.GetChars; 259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.text.NoCopySpan; 269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.text.TextUtils; 279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.text.TextWatcher; 289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.text.Selection; 299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.text.Spanned; 309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.text.Spannable; 319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.text.style.UpdateLayout; 329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.lang.ref.WeakReference; 349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpublic class PasswordTransformationMethod 369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimplements TransformationMethod, TextWatcher 379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public CharSequence getTransformation(CharSequence source, View view) { 399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (source instanceof Spannable) { 409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Spannable sp = (Spannable) source; 419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* 439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Remove any references to other views that may still be 449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * attached. This will happen when you flip the screen 459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * while a password field is showing; there will still 469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * be references to the old EditText in the text. 479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ViewReference[] vr = sp.getSpans(0, sp.length(), 499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ViewReference.class); 509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < vr.length; i++) { 519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sp.removeSpan(vr[i]); 529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sp.setSpan(new ViewReference(view), 0, 0, 559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Spannable.SPAN_POINT_POINT); 569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return new PasswordCharSequence(source); 599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static PasswordTransformationMethod getInstance() { 629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (sInstance != null) 639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return sInstance; 649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sInstance = new PasswordTransformationMethod(); 669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return sInstance; 679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void beforeTextChanged(CharSequence s, int start, 709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int count, int after) { 719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // This callback isn't used. 729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void onTextChanged(CharSequence s, int start, 759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int before, int count) { 769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (s instanceof Spannable) { 779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Spannable sp = (Spannable) s; 789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ViewReference[] vr = sp.getSpans(0, s.length(), 799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ViewReference.class); 809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (vr.length == 0) { 819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* 859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * There should generally only be one ViewReference in the text, 869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * but make sure to look through all of them if necessary in case 879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * something strange is going on. (We might still end up with 889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * multiple ViewReferences if someone moves text from one password 899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * field to another.) 909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View v = null; 929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; v == null && i < vr.length; i++) { 939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project v = vr[i].get(); 949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (v == null) { 979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int pref = TextKeyListener.getInstance().getPrefs(v.getContext()); 1019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((pref & TextKeyListener.SHOW_PASSWORD) != 0) { 1029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (count > 0) { 1039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Visible[] old = sp.getSpans(0, sp.length(), Visible.class); 1049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < old.length; i++) { 1059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sp.removeSpan(old[i]); 1069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (count == 1) { 1099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sp.setSpan(new Visible(sp, this), start, start + count, 1109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); 1119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void afterTextChanged(Editable s) { 1189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // This callback isn't used. 1199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void onFocusChanged(View view, CharSequence sourceText, 1229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean focused, int direction, 1239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Rect previouslyFocusedRect) { 1249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!focused) { 1259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (sourceText instanceof Spannable) { 1269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Spannable sp = (Spannable) sourceText; 1279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Visible[] old = sp.getSpans(0, sp.length(), Visible.class); 1299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < old.length; i++) { 1309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sp.removeSpan(old[i]); 1319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static class PasswordCharSequence 1379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project implements CharSequence, GetChars 1389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 1399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public PasswordCharSequence(CharSequence source) { 1409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSource = source; 1419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int length() { 1449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mSource.length(); 1459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public char charAt(int i) { 1489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mSource instanceof Spanned) { 1499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Spanned sp = (Spanned) mSource; 1509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int st = sp.getSpanStart(TextKeyListener.ACTIVE); 1529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int en = sp.getSpanEnd(TextKeyListener.ACTIVE); 1539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (i >= st && i < en) { 1559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mSource.charAt(i); 1569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Visible[] visible = sp.getSpans(0, sp.length(), Visible.class); 1599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int a = 0; a < visible.length; a++) { 1619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (sp.getSpanStart(visible[a].mTransformer) >= 0) { 1629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project st = sp.getSpanStart(visible[a]); 1639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project en = sp.getSpanEnd(visible[a]); 1649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (i >= st && i < en) { 1669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mSource.charAt(i); 1679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return DOT; 1739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public CharSequence subSequence(int start, int end) { 1769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char[] buf = new char[end - start]; 1779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project getChars(start, end, buf, 0); 1799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return new String(buf); 1809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public String toString() { 1839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return subSequence(0, length()).toString(); 1849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void getChars(int start, int end, char[] dest, int off) { 1879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project TextUtils.getChars(mSource, start, end, dest, off); 1889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int st = -1, en = -1; 1909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int nvisible = 0; 1919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int[] starts = null, ends = null; 1929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mSource instanceof Spanned) { 1949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Spanned sp = (Spanned) mSource; 1959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project st = sp.getSpanStart(TextKeyListener.ACTIVE); 1979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project en = sp.getSpanEnd(TextKeyListener.ACTIVE); 1989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Visible[] visible = sp.getSpans(0, sp.length(), Visible.class); 2009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project nvisible = visible.length; 2019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project starts = new int[nvisible]; 2029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ends = new int[nvisible]; 2039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < nvisible; i++) { 2059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (sp.getSpanStart(visible[i].mTransformer) >= 0) { 2069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project starts[i] = sp.getSpanStart(visible[i]); 2079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ends[i] = sp.getSpanEnd(visible[i]); 2089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = start; i < end; i++) { 2139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (! (i >= st && i < en)) { 2149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean visible = false; 2159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int a = 0; a < nvisible; a++) { 2179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (i >= starts[a] && i < ends[a]) { 2189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project visible = true; 2199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 2209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!visible) { 2249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dest[i - start + off] = DOT; 2259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private CharSequence mSource; 2319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static class Visible 2349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project extends Handler 2359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project implements UpdateLayout, Runnable 2369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 2379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Visible(Spannable sp, PasswordTransformationMethod ptm) { 2389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mText = sp; 2399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTransformer = ptm; 2409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project postAtTime(this, SystemClock.uptimeMillis() + 1500); 2419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void run() { 2449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mText.removeSpan(this); 2459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private Spannable mText; 2489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private PasswordTransformationMethod mTransformer; 2499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Used to stash a reference back to the View in the Editable so we 2539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * can use it to check the settings. 2549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static class ViewReference extends WeakReference<View> 2569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project implements NoCopySpan { 2579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public ViewReference(View v) { 2589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super(v); 2599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static PasswordTransformationMethod sInstance; 2639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static char DOT = '\u2022'; 2649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 265