SpannableStringBuilder.java revision d60da058c6a9a63ef7347685f39a9dedebbc6afa
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; 189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.graphics.Canvas; 20f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Feltimport android.graphics.Paint; 2134ec2b54da52eeed39d9cf9e5f215650b447edd7Gilles Debunneimport android.util.Log; 226435a56a8c02de98befcc8cd743b2b638cffb327Gilles Debunne 236435a56a8c02de98befcc8cd743b2b638cffb327Gilles Debunneimport com.android.internal.util.ArrayUtils; 249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.lang.reflect.Array; 269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/** 289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This is the class for text whose content and markup can both be changed. 299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 306435a56a8c02de98befcc8cd743b2b638cffb327Gilles Debunnepublic class SpannableStringBuilder implements CharSequence, GetChars, Spannable, Editable, 316435a56a8c02de98befcc8cd743b2b638cffb327Gilles Debunne Appendable, GraphicsOperations { 329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Create a new SpannableStringBuilder with empty contents 349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public SpannableStringBuilder() { 369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project this(""); 379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Create a new SpannableStringBuilder containing a copy of the 419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * specified text, including its spans if any. 429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public SpannableStringBuilder(CharSequence text) { 449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project this(text, 0, text.length()); 459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Create a new SpannableStringBuilder containing a copy of the 499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * specified slice of the specified text, including its spans if any. 509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public SpannableStringBuilder(CharSequence text, int start, int end) { 529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int srclen = end - start; 539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 540249b43f6ce59bfec104f0fe606d9059244f8797Gilles Debunne if (srclen < 0) throw new StringIndexOutOfBoundsException(); 550249b43f6ce59bfec104f0fe606d9059244f8797Gilles Debunne 569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int len = ArrayUtils.idealCharArraySize(srclen + 1); 579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mText = new char[len]; 589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGapStart = srclen; 599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGapLength = len - srclen; 609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project TextUtils.getChars(text, start, end, mText, 0); 629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSpanCount = 0; 649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int alloc = ArrayUtils.idealIntArraySize(0); 659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSpans = new Object[alloc]; 669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSpanStarts = new int[alloc]; 679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSpanEnds = new int[alloc]; 689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSpanFlags = new int[alloc]; 699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (text instanceof Spanned) { 719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Spanned sp = (Spanned) text; 729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Object[] spans = sp.getSpans(start, end, Object.class); 739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < spans.length; i++) { 759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (spans[i] instanceof NoCopySpan) { 769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project continue; 779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 78174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne 799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int st = sp.getSpanStart(spans[i]) - start; 809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int en = sp.getSpanEnd(spans[i]) - start; 819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int fl = sp.getSpanFlags(spans[i]); 829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (st < 0) 849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project st = 0; 859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (st > end - start) 869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project st = end - start; 879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (en < 0) 899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project en = 0; 909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (en > end - start) 919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project en = end - start; 929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 930249b43f6ce59bfec104f0fe606d9059244f8797Gilles Debunne setSpan(false, spans[i], st, en, fl); 949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static SpannableStringBuilder valueOf(CharSequence source) { 999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (source instanceof SpannableStringBuilder) { 1009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return (SpannableStringBuilder) source; 1019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 1029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return new SpannableStringBuilder(source); 1039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Return the char at the specified offset within the buffer. 1089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public char charAt(int where) { 1109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int len = length(); 1119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (where < 0) { 1129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IndexOutOfBoundsException("charAt: " + where + " < 0"); 1139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (where >= len) { 1146435a56a8c02de98befcc8cd743b2b638cffb327Gilles Debunne throw new IndexOutOfBoundsException("charAt: " + where + " >= length " + len); 1159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (where >= mGapStart) 1189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mText[where + mGapLength]; 1199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project else 1209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mText[where]; 1219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Return the number of chars in the buffer. 1259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int length() { 1279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mText.length - mGapLength; 1289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void resizeFor(int size) { 1317c5f670bd698c984dcafea8125f4d3939bc42972Gilles Debunne final int oldLength = mText.length; 1327c5f670bd698c984dcafea8125f4d3939bc42972Gilles Debunne final int newLength = ArrayUtils.idealCharArraySize(size + 1); 13390985286442340b9ad9433d6bf8d51702c8d0fd9Gilles Debunne final int delta = newLength - oldLength; 13490985286442340b9ad9433d6bf8d51702c8d0fd9Gilles Debunne if (delta == 0) return; 1359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1367c5f670bd698c984dcafea8125f4d3939bc42972Gilles Debunne char[] newText = new char[newLength]; 1377c5f670bd698c984dcafea8125f4d3939bc42972Gilles Debunne System.arraycopy(mText, 0, newText, 0, mGapStart); 13890985286442340b9ad9433d6bf8d51702c8d0fd9Gilles Debunne final int after = oldLength - (mGapStart + mGapLength); 1397c5f670bd698c984dcafea8125f4d3939bc42972Gilles Debunne System.arraycopy(mText, oldLength - after, newText, newLength - after, after); 1407c5f670bd698c984dcafea8125f4d3939bc42972Gilles Debunne mText = newText; 1419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1427c5f670bd698c984dcafea8125f4d3939bc42972Gilles Debunne mGapLength += delta; 1437c5f670bd698c984dcafea8125f4d3939bc42972Gilles Debunne if (mGapLength < 1) 1447c5f670bd698c984dcafea8125f4d3939bc42972Gilles Debunne new Exception("mGapLength < 1").printStackTrace(); 1459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < mSpanCount; i++) { 1477c5f670bd698c984dcafea8125f4d3939bc42972Gilles Debunne if (mSpanStarts[i] > mGapStart) mSpanStarts[i] += delta; 1487c5f670bd698c984dcafea8125f4d3939bc42972Gilles Debunne if (mSpanEnds[i] > mGapStart) mSpanEnds[i] += delta; 1499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void moveGapTo(int where) { 1539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (where == mGapStart) 1549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 1559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1560249b43f6ce59bfec104f0fe606d9059244f8797Gilles Debunne boolean atEnd = (where == length()); 1579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (where < mGapStart) { 1599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int overlap = mGapStart - where; 1607c5f670bd698c984dcafea8125f4d3939bc42972Gilles Debunne System.arraycopy(mText, where, mText, mGapStart + mGapLength - overlap, overlap); 1619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else /* where > mGapStart */ { 1629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int overlap = where - mGapStart; 1637c5f670bd698c984dcafea8125f4d3939bc42972Gilles Debunne System.arraycopy(mText, where + mGapLength - overlap, mText, mGapStart, overlap); 1649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // XXX be more clever 1679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < mSpanCount; i++) { 1689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int start = mSpanStarts[i]; 1699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int end = mSpanEnds[i]; 1709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (start > mGapStart) 1729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project start -= mGapLength; 1739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (start > where) 1749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project start += mGapLength; 1759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project else if (start == where) { 1769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int flag = (mSpanFlags[i] & START_MASK) >> START_SHIFT; 1779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1780249b43f6ce59bfec104f0fe606d9059244f8797Gilles Debunne if (flag == POINT || (atEnd && flag == PARAGRAPH)) 1799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project start += mGapLength; 1809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (end > mGapStart) 1839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project end -= mGapLength; 1849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (end > where) 1859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project end += mGapLength; 1869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project else if (end == where) { 1879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int flag = (mSpanFlags[i] & END_MASK); 1889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1890249b43f6ce59bfec104f0fe606d9059244f8797Gilles Debunne if (flag == POINT || (atEnd && flag == PARAGRAPH)) 1909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project end += mGapLength; 1919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSpanStarts[i] = start; 1949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSpanEnds[i] = end; 1959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGapStart = where; 1989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Documentation from interface 2019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public SpannableStringBuilder insert(int where, CharSequence tb, int start, int end) { 2029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return replace(where, where, tb, start, end); 2039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Documentation from interface 2069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public SpannableStringBuilder insert(int where, CharSequence tb) { 2079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return replace(where, where, tb, 0, tb.length()); 2089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Documentation from interface 2119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public SpannableStringBuilder delete(int start, int end) { 2129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SpannableStringBuilder ret = replace(start, end, "", 0, 0); 2139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mGapLength > 2 * length()) 2159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project resizeFor(length()); 216174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne 2179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return ret; // == this 2189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Documentation from interface 2219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void clear() { 2229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project replace(0, length(), "", 0, 0); 2239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 224174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne 2259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Documentation from interface 2269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void clearSpans() { 2279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = mSpanCount - 1; i >= 0; i--) { 2289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Object what = mSpans[i]; 2299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int ostart = mSpanStarts[i]; 2309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int oend = mSpanEnds[i]; 2319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (ostart > mGapStart) 2339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ostart -= mGapLength; 2349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (oend > mGapStart) 2359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project oend -= mGapLength; 2369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSpanCount = i; 2389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSpans[i] = null; 2399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sendSpanRemoved(what, ostart, oend); 2419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Documentation from interface 2459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public SpannableStringBuilder append(CharSequence text) { 2469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int length = length(); 2479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return replace(length, length, text, 0, text.length()); 2489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Documentation from interface 2519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public SpannableStringBuilder append(CharSequence text, int start, int end) { 2529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int length = length(); 2539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return replace(length, length, text, start, end); 2549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Documentation from interface 2579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public SpannableStringBuilder append(char text) { 2589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return append(String.valueOf(text)); 2599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 261174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne private void change(int start, int end, CharSequence cs, int csStart, int csEnd) { 262174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne // Can be negative 263174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne final int nbNewChars = (csEnd - csStart) - (end - start); 2649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = mSpanCount - 1; i >= 0; i--) { 266174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne int spanStart = mSpanStarts[i]; 267174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne if (spanStart > mGapStart) 268174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne spanStart -= mGapLength; 2699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 270174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne int spanEnd = mSpanEnds[i]; 271174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne if (spanEnd > mGapStart) 272174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne spanEnd -= mGapLength; 2739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 274174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne if ((mSpanFlags[i] & SPAN_PARAGRAPH) == SPAN_PARAGRAPH) { 275174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne int ost = spanStart; 276174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne int oen = spanEnd; 2779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int clen = length(); 2789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 279174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne if (spanStart > start && spanStart <= end) { 280174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne for (spanStart = end; spanStart < clen; spanStart++) 281174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne if (spanStart > end && charAt(spanStart - 1) == '\n') 2829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 2839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 285174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne if (spanEnd > start && spanEnd <= end) { 286174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne for (spanEnd = end; spanEnd < clen; spanEnd++) 287174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne if (spanEnd > end && charAt(spanEnd - 1) == '\n') 2889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 2899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 291174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne if (spanStart != ost || spanEnd != oen) 292174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne setSpan(false, mSpans[i], spanStart, spanEnd, mSpanFlags[i]); 2939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 294174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne 295174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne int flags = 0; 296174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne if (spanStart == start) flags |= SPAN_START_AT_START; 297174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne else if (spanStart == end + nbNewChars) flags |= SPAN_START_AT_END; 298174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne if (spanEnd == start) flags |= SPAN_END_AT_START; 299174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne else if (spanEnd == end + nbNewChars) flags |= SPAN_END_AT_END; 300174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne mSpanFlags[i] |= flags; 3019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project moveGapTo(end); 3049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 305312cd580391d70140eeb4080a4e195039172a6a6Gilles Debunne if (nbNewChars >= mGapLength) { 306312cd580391d70140eeb4080a4e195039172a6a6Gilles Debunne resizeFor(mText.length + nbNewChars - mGapLength); 307312cd580391d70140eeb4080a4e195039172a6a6Gilles Debunne } 308312cd580391d70140eeb4080a4e195039172a6a6Gilles Debunne 30990985286442340b9ad9433d6bf8d51702c8d0fd9Gilles Debunne // The removal pass needs to be done before the gap is updated in order to broadcast the 31090985286442340b9ad9433d6bf8d51702c8d0fd9Gilles Debunne // correct previous positions to the correct intersecting SpanWatchers 31190985286442340b9ad9433d6bf8d51702c8d0fd9Gilles Debunne if (end > start) { // no need for span fixup on pure insertion 31290985286442340b9ad9433d6bf8d51702c8d0fd9Gilles Debunne // A for loop will not work because the array is being modified 31390985286442340b9ad9433d6bf8d51702c8d0fd9Gilles Debunne // Do not iterate in reverse to keep the SpanWatchers notified in ordering 31490985286442340b9ad9433d6bf8d51702c8d0fd9Gilles Debunne // Also, a removed SpanWatcher should not get notified of removed spans located 31590985286442340b9ad9433d6bf8d51702c8d0fd9Gilles Debunne // further in the span array. 31690985286442340b9ad9433d6bf8d51702c8d0fd9Gilles Debunne int i = 0; 31790985286442340b9ad9433d6bf8d51702c8d0fd9Gilles Debunne while (i < mSpanCount) { 31890985286442340b9ad9433d6bf8d51702c8d0fd9Gilles Debunne if ((mSpanFlags[i] & Spanned.SPAN_EXCLUSIVE_EXCLUSIVE) == 31990985286442340b9ad9433d6bf8d51702c8d0fd9Gilles Debunne Spanned.SPAN_EXCLUSIVE_EXCLUSIVE && 32090985286442340b9ad9433d6bf8d51702c8d0fd9Gilles Debunne mSpanStarts[i] >= start && mSpanStarts[i] < mGapStart + mGapLength && 32190985286442340b9ad9433d6bf8d51702c8d0fd9Gilles Debunne mSpanEnds[i] >= start && mSpanEnds[i] < mGapStart + mGapLength) { 32290985286442340b9ad9433d6bf8d51702c8d0fd9Gilles Debunne removeSpan(i); 32390985286442340b9ad9433d6bf8d51702c8d0fd9Gilles Debunne } else { 32490985286442340b9ad9433d6bf8d51702c8d0fd9Gilles Debunne i++; 32590985286442340b9ad9433d6bf8d51702c8d0fd9Gilles Debunne } 32690985286442340b9ad9433d6bf8d51702c8d0fd9Gilles Debunne } 32790985286442340b9ad9433d6bf8d51702c8d0fd9Gilles Debunne } 32890985286442340b9ad9433d6bf8d51702c8d0fd9Gilles Debunne 329312cd580391d70140eeb4080a4e195039172a6a6Gilles Debunne mGapStart += nbNewChars; 330312cd580391d70140eeb4080a4e195039172a6a6Gilles Debunne mGapLength -= nbNewChars; 3319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mGapLength < 1) 3339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project new Exception("mGapLength < 1").printStackTrace(); 3349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 335174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne TextUtils.getChars(cs, csStart, csEnd, mText, start); 3369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 33790985286442340b9ad9433d6bf8d51702c8d0fd9Gilles Debunne if (end > start) { // no need for span fixup on pure insertion 33890985286442340b9ad9433d6bf8d51702c8d0fd9Gilles Debunne final boolean atEnd = (mGapStart + mGapLength == mText.length); 3399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 34090985286442340b9ad9433d6bf8d51702c8d0fd9Gilles Debunne for (int i = 0; i < mSpanCount; i++) { 3417c5f670bd698c984dcafea8125f4d3939bc42972Gilles Debunne if (mSpanStarts[i] >= start && mSpanStarts[i] < mGapStart + mGapLength) { 342b51036f72aa69e56133fefbf2b56724768423512Gilles Debunne int flag = (mSpanFlags[i] & START_MASK) >> START_SHIFT; 3439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3447c5f670bd698c984dcafea8125f4d3939bc42972Gilles Debunne if (flag == POINT || (flag == PARAGRAPH && atEnd)) { 3457c5f670bd698c984dcafea8125f4d3939bc42972Gilles Debunne mSpanStarts[i] = mGapStart + mGapLength; 3467c5f670bd698c984dcafea8125f4d3939bc42972Gilles Debunne } else { 3477c5f670bd698c984dcafea8125f4d3939bc42972Gilles Debunne mSpanStarts[i] = start; 3487c5f670bd698c984dcafea8125f4d3939bc42972Gilles Debunne } 349b51036f72aa69e56133fefbf2b56724768423512Gilles Debunne } 3509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3517c5f670bd698c984dcafea8125f4d3939bc42972Gilles Debunne if (mSpanEnds[i] >= start && mSpanEnds[i] < mGapStart + mGapLength) { 352b51036f72aa69e56133fefbf2b56724768423512Gilles Debunne int flag = (mSpanFlags[i] & END_MASK); 3539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 35490985286442340b9ad9433d6bf8d51702c8d0fd9Gilles Debunne if (flag == POINT || (flag == PARAGRAPH && atEnd)) { 355b51036f72aa69e56133fefbf2b56724768423512Gilles Debunne mSpanEnds[i] = mGapStart + mGapLength; 35690985286442340b9ad9433d6bf8d51702c8d0fd9Gilles Debunne } else { 357b51036f72aa69e56133fefbf2b56724768423512Gilles Debunne mSpanEnds[i] = start; 35890985286442340b9ad9433d6bf8d51702c8d0fd9Gilles Debunne } 359b51036f72aa69e56133fefbf2b56724768423512Gilles Debunne } 3609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3620249b43f6ce59bfec104f0fe606d9059244f8797Gilles Debunne 363174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne mSpanCountBeforeAdd = mSpanCount; 364174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne 365174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne if (cs instanceof Spanned) { 366174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne Spanned sp = (Spanned) cs; 367174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne Object[] spans = sp.getSpans(csStart, csEnd, Object.class); 3680249b43f6ce59bfec104f0fe606d9059244f8797Gilles Debunne 3690249b43f6ce59bfec104f0fe606d9059244f8797Gilles Debunne for (int i = 0; i < spans.length; i++) { 3700249b43f6ce59bfec104f0fe606d9059244f8797Gilles Debunne int st = sp.getSpanStart(spans[i]); 3710249b43f6ce59bfec104f0fe606d9059244f8797Gilles Debunne int en = sp.getSpanEnd(spans[i]); 3720249b43f6ce59bfec104f0fe606d9059244f8797Gilles Debunne 373174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne if (st < csStart) st = csStart; 374174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne if (en > csEnd) en = csEnd; 3750249b43f6ce59bfec104f0fe606d9059244f8797Gilles Debunne 3760249b43f6ce59bfec104f0fe606d9059244f8797Gilles Debunne // Add span only if this object is not yet used as a span in this string 37790985286442340b9ad9433d6bf8d51702c8d0fd9Gilles Debunne if (getSpanStart(spans[i]) < 0) { 378174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne setSpan(false, spans[i], st - csStart + start, en - csStart + start, 379174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne sp.getSpanFlags(spans[i])); 3800249b43f6ce59bfec104f0fe606d9059244f8797Gilles Debunne } 3810249b43f6ce59bfec104f0fe606d9059244f8797Gilles Debunne } 3820249b43f6ce59bfec104f0fe606d9059244f8797Gilles Debunne } 3839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 38575beb336f4b164c3bed5d4b91f0b9c6ea49a3437Gilles Debunne private void removeSpan(int i) { 3866435a56a8c02de98befcc8cd743b2b638cffb327Gilles Debunne Object object = mSpans[i]; 3876435a56a8c02de98befcc8cd743b2b638cffb327Gilles Debunne 3886435a56a8c02de98befcc8cd743b2b638cffb327Gilles Debunne int start = mSpanStarts[i]; 3896435a56a8c02de98befcc8cd743b2b638cffb327Gilles Debunne int end = mSpanEnds[i]; 3906435a56a8c02de98befcc8cd743b2b638cffb327Gilles Debunne 3916435a56a8c02de98befcc8cd743b2b638cffb327Gilles Debunne if (start > mGapStart) start -= mGapLength; 3926435a56a8c02de98befcc8cd743b2b638cffb327Gilles Debunne if (end > mGapStart) end -= mGapLength; 3936435a56a8c02de98befcc8cd743b2b638cffb327Gilles Debunne 3946435a56a8c02de98befcc8cd743b2b638cffb327Gilles Debunne int count = mSpanCount - (i + 1); 3956435a56a8c02de98befcc8cd743b2b638cffb327Gilles Debunne System.arraycopy(mSpans, i + 1, mSpans, i, count); 3966435a56a8c02de98befcc8cd743b2b638cffb327Gilles Debunne System.arraycopy(mSpanStarts, i + 1, mSpanStarts, i, count); 3976435a56a8c02de98befcc8cd743b2b638cffb327Gilles Debunne System.arraycopy(mSpanEnds, i + 1, mSpanEnds, i, count); 3986435a56a8c02de98befcc8cd743b2b638cffb327Gilles Debunne System.arraycopy(mSpanFlags, i + 1, mSpanFlags, i, count); 39975beb336f4b164c3bed5d4b91f0b9c6ea49a3437Gilles Debunne 40075beb336f4b164c3bed5d4b91f0b9c6ea49a3437Gilles Debunne mSpanCount--; 4016435a56a8c02de98befcc8cd743b2b638cffb327Gilles Debunne 4026435a56a8c02de98befcc8cd743b2b638cffb327Gilles Debunne mSpans[mSpanCount] = null; 4036435a56a8c02de98befcc8cd743b2b638cffb327Gilles Debunne 4046435a56a8c02de98befcc8cd743b2b638cffb327Gilles Debunne sendSpanRemoved(object, start, end); 40575beb336f4b164c3bed5d4b91f0b9c6ea49a3437Gilles Debunne } 40675beb336f4b164c3bed5d4b91f0b9c6ea49a3437Gilles Debunne 4079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Documentation from interface 4089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public SpannableStringBuilder replace(int start, int end, CharSequence tb) { 4099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return replace(start, end, tb, 0, tb.length()); 4109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Documentation from interface 4139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public SpannableStringBuilder replace(final int start, final int end, 4140249b43f6ce59bfec104f0fe606d9059244f8797Gilles Debunne CharSequence tb, int tbstart, int tbend) { 415174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne checkRange("replace", start, end); 416174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne 4179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int filtercount = mFilters.length; 4189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < filtercount; i++) { 419b51036f72aa69e56133fefbf2b56724768423512Gilles Debunne CharSequence repl = mFilters[i].filter(tb, tbstart, tbend, this, start, end); 4209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (repl != null) { 4229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project tb = repl; 4239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project tbstart = 0; 4249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project tbend = repl.length(); 4259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 428b51036f72aa69e56133fefbf2b56724768423512Gilles Debunne final int origLen = end - start; 429b51036f72aa69e56133fefbf2b56724768423512Gilles Debunne final int newLen = tbend - tbstart; 430b51036f72aa69e56133fefbf2b56724768423512Gilles Debunne 431d60da058c6a9a63ef7347685f39a9dedebbc6afaGilles Debunne if (origLen == 0 && newLen == 0 && !hasNonExclusiveExclusiveSpanAt(tb, tbstart)) { 432d60da058c6a9a63ef7347685f39a9dedebbc6afaGilles Debunne // This is a no-op iif there are no spans in tb that would be added (with a 0-length) 433d60da058c6a9a63ef7347685f39a9dedebbc6afaGilles Debunne // Early exit so that the text watchers do not get notified 434d60da058c6a9a63ef7347685f39a9dedebbc6afaGilles Debunne return this; 435d60da058c6a9a63ef7347685f39a9dedebbc6afaGilles Debunne } 436d60da058c6a9a63ef7347685f39a9dedebbc6afaGilles Debunne 437b51036f72aa69e56133fefbf2b56724768423512Gilles Debunne TextWatcher[] textWatchers = getSpans(start, start + origLen, TextWatcher.class); 438b51036f72aa69e56133fefbf2b56724768423512Gilles Debunne sendBeforeTextChanged(textWatchers, start, origLen, newLen); 439b51036f72aa69e56133fefbf2b56724768423512Gilles Debunne 4400249b43f6ce59bfec104f0fe606d9059244f8797Gilles Debunne // Try to keep the cursor / selection at the same relative position during 4410249b43f6ce59bfec104f0fe606d9059244f8797Gilles Debunne // a text replacement. If replaced or replacement text length is zero, this 4420249b43f6ce59bfec104f0fe606d9059244f8797Gilles Debunne // is already taken care of. 4430249b43f6ce59bfec104f0fe606d9059244f8797Gilles Debunne boolean adjustSelection = origLen != 0 && newLen != 0; 444174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne int selectionStart = 0; 445174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne int selectionEnd = 0; 4460249b43f6ce59bfec104f0fe606d9059244f8797Gilles Debunne if (adjustSelection) { 447174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne selectionStart = Selection.getSelectionStart(this); 448174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne selectionEnd = Selection.getSelectionEnd(this); 4490249b43f6ce59bfec104f0fe606d9059244f8797Gilles Debunne } 450bc6862300fe5675addfe4ed5d0c7c345aad463aaGilles Debunne 4510249b43f6ce59bfec104f0fe606d9059244f8797Gilles Debunne change(start, end, tb, tbstart, tbend); 452bc6862300fe5675addfe4ed5d0c7c345aad463aaGilles Debunne 4530249b43f6ce59bfec104f0fe606d9059244f8797Gilles Debunne if (adjustSelection) { 454174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne if (selectionStart > start && selectionStart < end) { 455174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne final int offset = (selectionStart - start) * newLen / origLen; 456174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne selectionStart = start + offset; 4579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 458174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne setSpan(false, Selection.SELECTION_START, selectionStart, selectionStart, 4599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Spanned.SPAN_POINT_POINT); 4609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 461174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne if (selectionEnd > start && selectionEnd < end) { 462174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne final int offset = (selectionEnd - start) * newLen / origLen; 463174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne selectionEnd = start + offset; 4649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 465174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne setSpan(false, Selection.SELECTION_END, selectionEnd, selectionEnd, 466174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne Spanned.SPAN_POINT_POINT); 4679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4696435a56a8c02de98befcc8cd743b2b638cffb327Gilles Debunne 470b51036f72aa69e56133fefbf2b56724768423512Gilles Debunne sendTextChanged(textWatchers, start, origLen, newLen); 471b51036f72aa69e56133fefbf2b56724768423512Gilles Debunne sendAfterTextChanged(textWatchers); 472b51036f72aa69e56133fefbf2b56724768423512Gilles Debunne 473174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne // Span watchers need to be called after text watchers, which may update the layout 474174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne sendToSpanWatchers(start, end, newLen - origLen); 475174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne 4769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return this; 4779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 479d60da058c6a9a63ef7347685f39a9dedebbc6afaGilles Debunne private static boolean hasNonExclusiveExclusiveSpanAt(CharSequence text, int offset) { 480d60da058c6a9a63ef7347685f39a9dedebbc6afaGilles Debunne if (text instanceof Spanned) { 481d60da058c6a9a63ef7347685f39a9dedebbc6afaGilles Debunne Spanned spanned = (Spanned) text; 482d60da058c6a9a63ef7347685f39a9dedebbc6afaGilles Debunne Object[] spans = spanned.getSpans(offset, offset, Object.class); 483d60da058c6a9a63ef7347685f39a9dedebbc6afaGilles Debunne final int length = spans.length; 484d60da058c6a9a63ef7347685f39a9dedebbc6afaGilles Debunne for (int i = 0; i < length; i++) { 485d60da058c6a9a63ef7347685f39a9dedebbc6afaGilles Debunne Object span = spans[i]; 486d60da058c6a9a63ef7347685f39a9dedebbc6afaGilles Debunne int flags = spanned.getSpanFlags(span); 487d60da058c6a9a63ef7347685f39a9dedebbc6afaGilles Debunne if (flags != Spanned.SPAN_EXCLUSIVE_EXCLUSIVE) return true; 488d60da058c6a9a63ef7347685f39a9dedebbc6afaGilles Debunne } 489d60da058c6a9a63ef7347685f39a9dedebbc6afaGilles Debunne } 490d60da058c6a9a63ef7347685f39a9dedebbc6afaGilles Debunne return false; 491d60da058c6a9a63ef7347685f39a9dedebbc6afaGilles Debunne } 492d60da058c6a9a63ef7347685f39a9dedebbc6afaGilles Debunne 493174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne private void sendToSpanWatchers(int replaceStart, int replaceEnd, int nbNewChars) { 494174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne for (int i = 0; i < mSpanCountBeforeAdd; i++) { 495174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne int spanStart = mSpanStarts[i]; 496174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne int spanEnd = mSpanEnds[i]; 497174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne if (spanStart > mGapStart) spanStart -= mGapLength; 498174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne if (spanEnd > mGapStart) spanEnd -= mGapLength; 499174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne int spanFlags = mSpanFlags[i]; 500174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne 501174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne int newReplaceEnd = replaceEnd + nbNewChars; 502174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne boolean spanChanged = false; 50390985286442340b9ad9433d6bf8d51702c8d0fd9Gilles Debunne 504174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne int previousSpanStart = spanStart; 505174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne if (spanStart > newReplaceEnd) { 506174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne if (nbNewChars != 0) { 507174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne previousSpanStart -= nbNewChars; 508174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne spanChanged = true; 509174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne } 510174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne } else if (spanStart >= replaceStart) { 511174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne // No change if span start was already at replace interval boundaries before replace 512174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne if ((spanStart != replaceStart || 513174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne ((spanFlags & SPAN_START_AT_START) != SPAN_START_AT_START)) && 514174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne (spanStart != newReplaceEnd || 515174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne ((spanFlags & SPAN_START_AT_END) != SPAN_START_AT_END))) { 51690985286442340b9ad9433d6bf8d51702c8d0fd9Gilles Debunne // TODO A correct previousSpanStart cannot be computed at this point. 51790985286442340b9ad9433d6bf8d51702c8d0fd9Gilles Debunne // It would require to save all the previous spans' positions before the replace 51890985286442340b9ad9433d6bf8d51702c8d0fd9Gilles Debunne // Using an invalid -1 value to convey this would break the broacast range 519174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne spanChanged = true; 520174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne } 521174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne } 52290985286442340b9ad9433d6bf8d51702c8d0fd9Gilles Debunne 523174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne int previousSpanEnd = spanEnd; 524174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne if (spanEnd > newReplaceEnd) { 525174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne if (nbNewChars != 0) { 526174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne previousSpanEnd -= nbNewChars; 527174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne spanChanged = true; 528174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne } 529174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne } else if (spanEnd >= replaceStart) { 530174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne // No change if span start was already at replace interval boundaries before replace 531174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne if ((spanEnd != replaceStart || 532174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne ((spanFlags & SPAN_END_AT_START) != SPAN_END_AT_START)) && 533174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne (spanEnd != newReplaceEnd || 534174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne ((spanFlags & SPAN_END_AT_END) != SPAN_END_AT_END))) { 535174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne // TODO same as above for previousSpanEnd 536174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne spanChanged = true; 537174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne } 538174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne } 539174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne 540174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne if (spanChanged) { 541174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne sendSpanChanged(mSpans[i], previousSpanStart, previousSpanEnd, spanStart, spanEnd); 542174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne } 543174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne mSpanFlags[i] &= ~SPAN_START_END_MASK; 544174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne } 545174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne 546174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne // The spans starting at mIntermediateSpanCount were added from the replacement text 547174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne for (int i = mSpanCountBeforeAdd; i < mSpanCount; i++) { 548174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne int spanStart = mSpanStarts[i]; 549174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne int spanEnd = mSpanEnds[i]; 550174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne if (spanStart > mGapStart) spanStart -= mGapLength; 551174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne if (spanEnd > mGapStart) spanEnd -= mGapLength; 552174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne sendSpanAdded(mSpans[i], spanStart, spanEnd); 553174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne } 554174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne } 555174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne 5569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Mark the specified range of text with the specified object. 5589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The flags determine how the span will behave when text is 5599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * inserted at the start or end of the span's range. 5609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setSpan(Object what, int start, int end, int flags) { 5629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setSpan(true, what, start, end, flags); 5639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5656435a56a8c02de98befcc8cd743b2b638cffb327Gilles Debunne private void setSpan(boolean send, Object what, int start, int end, int flags) { 5669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project checkRange("setSpan", start, end); 5679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5680249b43f6ce59bfec104f0fe606d9059244f8797Gilles Debunne int flagsStart = (flags & START_MASK) >> START_SHIFT; 5690249b43f6ce59bfec104f0fe606d9059244f8797Gilles Debunne if (flagsStart == PARAGRAPH) { 5709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (start != 0 && start != length()) { 5719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char c = charAt(start - 1); 5729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (c != '\n') 5746435a56a8c02de98befcc8cd743b2b638cffb327Gilles Debunne throw new RuntimeException("PARAGRAPH span must start at paragraph boundary"); 5759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5780249b43f6ce59bfec104f0fe606d9059244f8797Gilles Debunne int flagsEnd = flags & END_MASK; 5790249b43f6ce59bfec104f0fe606d9059244f8797Gilles Debunne if (flagsEnd == PARAGRAPH) { 5809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (end != 0 && end != length()) { 5819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char c = charAt(end - 1); 5829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (c != '\n') 5846435a56a8c02de98befcc8cd743b2b638cffb327Gilles Debunne throw new RuntimeException("PARAGRAPH span must end at paragraph boundary"); 5859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5880249b43f6ce59bfec104f0fe606d9059244f8797Gilles Debunne // 0-length Spanned.SPAN_EXCLUSIVE_EXCLUSIVE 5890249b43f6ce59bfec104f0fe606d9059244f8797Gilles Debunne if (flagsStart == POINT && flagsEnd == MARK && start == end) { 59034ec2b54da52eeed39d9cf9e5f215650b447edd7Gilles Debunne if (send) Log.e("SpannableStringBuilder", 59134ec2b54da52eeed39d9cf9e5f215650b447edd7Gilles Debunne "SPAN_EXCLUSIVE_EXCLUSIVE spans cannot have a zero length"); 59234ec2b54da52eeed39d9cf9e5f215650b447edd7Gilles Debunne // Silently ignore invalid spans when they are created from this class. 59334ec2b54da52eeed39d9cf9e5f215650b447edd7Gilles Debunne // This avoids the duplication of the above test code before all the 59434ec2b54da52eeed39d9cf9e5f215650b447edd7Gilles Debunne // calls to setSpan that are done in this class 59534ec2b54da52eeed39d9cf9e5f215650b447edd7Gilles Debunne return; 5967c5f670bd698c984dcafea8125f4d3939bc42972Gilles Debunne } 5977c5f670bd698c984dcafea8125f4d3939bc42972Gilles Debunne 5980249b43f6ce59bfec104f0fe606d9059244f8797Gilles Debunne int nstart = start; 5990249b43f6ce59bfec104f0fe606d9059244f8797Gilles Debunne int nend = end; 6000249b43f6ce59bfec104f0fe606d9059244f8797Gilles Debunne 6016435a56a8c02de98befcc8cd743b2b638cffb327Gilles Debunne if (start > mGapStart) { 6029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project start += mGapLength; 6036435a56a8c02de98befcc8cd743b2b638cffb327Gilles Debunne } else if (start == mGapStart) { 6040249b43f6ce59bfec104f0fe606d9059244f8797Gilles Debunne if (flagsStart == POINT || (flagsStart == PARAGRAPH && start == length())) 6059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project start += mGapLength; 6069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6086435a56a8c02de98befcc8cd743b2b638cffb327Gilles Debunne if (end > mGapStart) { 6099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project end += mGapLength; 6106435a56a8c02de98befcc8cd743b2b638cffb327Gilles Debunne } else if (end == mGapStart) { 6110249b43f6ce59bfec104f0fe606d9059244f8797Gilles Debunne if (flagsEnd == POINT || (flagsEnd == PARAGRAPH && end == length())) 6129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project end += mGapLength; 6139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int count = mSpanCount; 6169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Object[] spans = mSpans; 6179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < count; i++) { 6199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (spans[i] == what) { 6209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int ostart = mSpanStarts[i]; 6219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int oend = mSpanEnds[i]; 6229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (ostart > mGapStart) 6249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ostart -= mGapLength; 6259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (oend > mGapStart) 6269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project oend -= mGapLength; 6279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSpanStarts[i] = start; 6299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSpanEnds[i] = end; 6309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSpanFlags[i] = flags; 6319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 632fc1190b8f143bd00c825d4e52928c577e40e6c49Gilles Debunne if (send) sendSpanChanged(what, ostart, oend, nstart, nend); 6339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 6359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mSpanCount + 1 >= mSpans.length) { 6399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int newsize = ArrayUtils.idealIntArraySize(mSpanCount + 1); 6409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Object[] newspans = new Object[newsize]; 6419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int[] newspanstarts = new int[newsize]; 6429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int[] newspanends = new int[newsize]; 6439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int[] newspanflags = new int[newsize]; 6449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.arraycopy(mSpans, 0, newspans, 0, mSpanCount); 6469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.arraycopy(mSpanStarts, 0, newspanstarts, 0, mSpanCount); 6479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.arraycopy(mSpanEnds, 0, newspanends, 0, mSpanCount); 6489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.arraycopy(mSpanFlags, 0, newspanflags, 0, mSpanCount); 6499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSpans = newspans; 6519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSpanStarts = newspanstarts; 6529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSpanEnds = newspanends; 6539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSpanFlags = newspanflags; 6549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSpans[mSpanCount] = what; 6579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSpanStarts[mSpanCount] = start; 6589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSpanEnds[mSpanCount] = end; 6599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSpanFlags[mSpanCount] = flags; 6609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSpanCount++; 6619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 662fc1190b8f143bd00c825d4e52928c577e40e6c49Gilles Debunne if (send) sendSpanAdded(what, nstart, nend); 6639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 6669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Remove the specified markup object from the buffer. 6679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void removeSpan(Object what) { 6699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = mSpanCount - 1; i >= 0; i--) { 6709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mSpans[i] == what) { 6716435a56a8c02de98befcc8cd743b2b638cffb327Gilles Debunne removeSpan(i); 6729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 6739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 6789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Return the buffer offset of the beginning of the specified 6799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * markup object, or -1 if it is not attached to this buffer. 6809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getSpanStart(Object what) { 6829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int count = mSpanCount; 6839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Object[] spans = mSpans; 6849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = count - 1; i >= 0; i--) { 6869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (spans[i] == what) { 6879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int where = mSpanStarts[i]; 6889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (where > mGapStart) 6909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project where -= mGapLength; 6919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return where; 6939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 6979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 7009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Return the buffer offset of the end of the specified 7019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * markup object, or -1 if it is not attached to this buffer. 7029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getSpanEnd(Object what) { 7049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int count = mSpanCount; 7059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Object[] spans = mSpans; 7069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = count - 1; i >= 0; i--) { 7089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (spans[i] == what) { 7099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int where = mSpanEnds[i]; 7109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (where > mGapStart) 7129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project where -= mGapLength; 7139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return where; 7159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 7199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 7229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Return the flags of the end of the specified 7239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * markup object, or 0 if it is not attached to this buffer. 7249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getSpanFlags(Object what) { 7269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int count = mSpanCount; 7279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Object[] spans = mSpans; 7289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = count - 1; i >= 0; i--) { 7309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (spans[i] == what) { 7319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mSpanFlags[i]; 7329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return 0; 7369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 7399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Return an array of the spans of the specified type that overlap 7409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the specified range of the buffer. The kind may be Object.class to get 7419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * a list of all the spans regardless of type. 7429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 743312cd580391d70140eeb4080a4e195039172a6a6Gilles Debunne @SuppressWarnings("unchecked") 7449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public <T> T[] getSpans(int queryStart, int queryEnd, Class<T> kind) { 7456435a56a8c02de98befcc8cd743b2b638cffb327Gilles Debunne if (kind == null) return ArrayUtils.emptyArray(kind); 7466435a56a8c02de98befcc8cd743b2b638cffb327Gilles Debunne 7479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int spanCount = mSpanCount; 7489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Object[] spans = mSpans; 7499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int[] starts = mSpanStarts; 7509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int[] ends = mSpanEnds; 7519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int[] flags = mSpanFlags; 7529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int gapstart = mGapStart; 7539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int gaplen = mGapLength; 7549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int count = 0; 756312cd580391d70140eeb4080a4e195039172a6a6Gilles Debunne T[] ret = null; 757312cd580391d70140eeb4080a4e195039172a6a6Gilles Debunne T ret1 = null; 7589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < spanCount; i++) { 7609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int spanStart = starts[i]; 7619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (spanStart > gapstart) { 7629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project spanStart -= gaplen; 7639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (spanStart > queryEnd) { 7659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project continue; 7669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 767b062e81e3a16af43db3619d721aa522c137d1aa9Gilles Debunne 768b062e81e3a16af43db3619d721aa522c137d1aa9Gilles Debunne int spanEnd = ends[i]; 769b062e81e3a16af43db3619d721aa522c137d1aa9Gilles Debunne if (spanEnd > gapstart) { 770b062e81e3a16af43db3619d721aa522c137d1aa9Gilles Debunne spanEnd -= gaplen; 771b062e81e3a16af43db3619d721aa522c137d1aa9Gilles Debunne } 7729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (spanEnd < queryStart) { 7739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project continue; 7749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (spanStart != spanEnd && queryStart != queryEnd) { 7779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (spanStart == queryEnd) 7789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project continue; 7799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (spanEnd == queryStart) 7809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project continue; 7819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 783945ee9b1661e60e0074d4f16f61fc147c728c6bfGilles Debunne // Expensive test, should be performed after the previous tests 784945ee9b1661e60e0074d4f16f61fc147c728c6bfGilles Debunne if (!kind.isInstance(spans[i])) continue; 785945ee9b1661e60e0074d4f16f61fc147c728c6bfGilles Debunne 7869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (count == 0) { 787312cd580391d70140eeb4080a4e195039172a6a6Gilles Debunne // Safe conversion thanks to the isInstance test above 788312cd580391d70140eeb4080a4e195039172a6a6Gilles Debunne ret1 = (T) spans[i]; 7899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project count++; 7909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 7919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (count == 1) { 792312cd580391d70140eeb4080a4e195039172a6a6Gilles Debunne // Safe conversion, but requires a suppressWarning 793312cd580391d70140eeb4080a4e195039172a6a6Gilles Debunne ret = (T[]) Array.newInstance(kind, spanCount - i + 1); 7949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ret[0] = ret1; 7959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int prio = flags[i] & SPAN_PRIORITY; 7989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (prio != 0) { 7999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int j; 8009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (j = 0; j < count; j++) { 8029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int p = getSpanFlags(ret[j]) & SPAN_PRIORITY; 8039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (prio > p) { 8059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 8069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.arraycopy(ret, j, ret, j + 1, count - j); 810312cd580391d70140eeb4080a4e195039172a6a6Gilles Debunne // Safe conversion thanks to the isInstance test above 811312cd580391d70140eeb4080a4e195039172a6a6Gilles Debunne ret[j] = (T) spans[i]; 8129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project count++; 8139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 814312cd580391d70140eeb4080a4e195039172a6a6Gilles Debunne // Safe conversion thanks to the isInstance test above 815312cd580391d70140eeb4080a4e195039172a6a6Gilles Debunne ret[count++] = (T) spans[i]; 8169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (count == 0) { 821f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt return ArrayUtils.emptyArray(kind); 8229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (count == 1) { 824312cd580391d70140eeb4080a4e195039172a6a6Gilles Debunne // Safe conversion, but requires a suppressWarning 825312cd580391d70140eeb4080a4e195039172a6a6Gilles Debunne ret = (T[]) Array.newInstance(kind, 1); 8269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ret[0] = ret1; 827312cd580391d70140eeb4080a4e195039172a6a6Gilles Debunne return ret; 8289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (count == ret.length) { 830312cd580391d70140eeb4080a4e195039172a6a6Gilles Debunne return ret; 8319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 833312cd580391d70140eeb4080a4e195039172a6a6Gilles Debunne // Safe conversion, but requires a suppressWarning 834312cd580391d70140eeb4080a4e195039172a6a6Gilles Debunne T[] nret = (T[]) Array.newInstance(kind, count); 8359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.arraycopy(ret, 0, nret, 0, count); 836312cd580391d70140eeb4080a4e195039172a6a6Gilles Debunne return nret; 8379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 8409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Return the next offset after <code>start</code> but less than or 8419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * equal to <code>limit</code> where a span of the specified type 8429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * begins or ends. 8439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int nextSpanTransition(int start, int limit, Class kind) { 8459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int count = mSpanCount; 8469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Object[] spans = mSpans; 8479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int[] starts = mSpanStarts; 8489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int[] ends = mSpanEnds; 8499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int gapstart = mGapStart; 8509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int gaplen = mGapLength; 8519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (kind == null) { 8539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project kind = Object.class; 8549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < count; i++) { 8579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int st = starts[i]; 8589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int en = ends[i]; 8599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (st > gapstart) 8619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project st -= gaplen; 8629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (en > gapstart) 8639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project en -= gaplen; 8649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (st > start && st < limit && kind.isInstance(spans[i])) 8669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project limit = st; 8679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (en > start && en < limit && kind.isInstance(spans[i])) 8689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project limit = en; 8699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return limit; 8729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 8759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Return a new CharSequence containing a copy of the specified 8769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * range of this buffer, including the overlapping spans. 8779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public CharSequence subSequence(int start, int end) { 8799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return new SpannableStringBuilder(this, start, end); 8809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 8839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Copy the specified range of chars from this buffer into the 8849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * specified array, beginning at the specified offset. 8859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void getChars(int start, int end, char[] dest, int destoff) { 8879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project checkRange("getChars", start, end); 8889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (end <= mGapStart) { 8909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.arraycopy(mText, start, dest, destoff, end - start); 8919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (start >= mGapStart) { 892174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne System.arraycopy(mText, start + mGapLength, dest, destoff, end - start); 8939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 8949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.arraycopy(mText, start, dest, destoff, mGapStart - start); 8959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.arraycopy(mText, mGapStart + mGapLength, 896174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne dest, destoff + (mGapStart - start), 897174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne end - mGapStart); 8989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 9029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Return a String containing a copy of the chars in this buffer. 9039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 904312cd580391d70140eeb4080a4e195039172a6a6Gilles Debunne @Override 9059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public String toString() { 9069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int len = length(); 9079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char[] buf = new char[len]; 9089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project getChars(0, len, buf, 0); 9109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return new String(buf); 9119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 913653d3a27878d5358b4a91518a756f6b9b3407b07Gilles Debunne /** 914653d3a27878d5358b4a91518a756f6b9b3407b07Gilles Debunne * Return a String containing a copy of the chars in this buffer, limited to the 915653d3a27878d5358b4a91518a756f6b9b3407b07Gilles Debunne * [start, end[ range. 916653d3a27878d5358b4a91518a756f6b9b3407b07Gilles Debunne * @hide 917653d3a27878d5358b4a91518a756f6b9b3407b07Gilles Debunne */ 918653d3a27878d5358b4a91518a756f6b9b3407b07Gilles Debunne public String substring(int start, int end) { 919653d3a27878d5358b4a91518a756f6b9b3407b07Gilles Debunne char[] buf = new char[end - start]; 920653d3a27878d5358b4a91518a756f6b9b3407b07Gilles Debunne getChars(start, end, buf, 0); 921653d3a27878d5358b4a91518a756f6b9b3407b07Gilles Debunne return new String(buf); 922653d3a27878d5358b4a91518a756f6b9b3407b07Gilles Debunne } 923653d3a27878d5358b4a91518a756f6b9b3407b07Gilles Debunne 924b51036f72aa69e56133fefbf2b56724768423512Gilles Debunne private void sendBeforeTextChanged(TextWatcher[] watchers, int start, int before, int after) { 925b51036f72aa69e56133fefbf2b56724768423512Gilles Debunne int n = watchers.length; 9269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < n; i++) { 928b51036f72aa69e56133fefbf2b56724768423512Gilles Debunne watchers[i].beforeTextChanged(this, start, before, after); 9299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 932b51036f72aa69e56133fefbf2b56724768423512Gilles Debunne private void sendTextChanged(TextWatcher[] watchers, int start, int before, int after) { 933b51036f72aa69e56133fefbf2b56724768423512Gilles Debunne int n = watchers.length; 9349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < n; i++) { 936b51036f72aa69e56133fefbf2b56724768423512Gilles Debunne watchers[i].onTextChanged(this, start, before, after); 9379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 940b51036f72aa69e56133fefbf2b56724768423512Gilles Debunne private void sendAfterTextChanged(TextWatcher[] watchers) { 941b51036f72aa69e56133fefbf2b56724768423512Gilles Debunne int n = watchers.length; 9429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < n; i++) { 944b51036f72aa69e56133fefbf2b56724768423512Gilles Debunne watchers[i].afterTextChanged(this); 9459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void sendSpanAdded(Object what, int start, int end) { 9499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SpanWatcher[] recip = getSpans(start, end, SpanWatcher.class); 9509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int n = recip.length; 9519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < n; i++) { 9539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project recip[i].onSpanAdded(this, what, start, end); 9549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void sendSpanRemoved(Object what, int start, int end) { 9589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SpanWatcher[] recip = getSpans(start, end, SpanWatcher.class); 9599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int n = recip.length; 9609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < n; i++) { 9629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project recip[i].onSpanRemoved(this, what, start, end); 9639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 966174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne private void sendSpanChanged(Object what, int oldStart, int oldEnd, int start, int end) { 967174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne // The bounds of a possible SpanWatcher are guaranteed to be set before this method is 968174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne // called, so that the order of the span does not affect this broadcast. 969174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne SpanWatcher[] spanWatchers = getSpans(Math.min(oldStart, start), 970174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne Math.min(Math.max(oldEnd, end), length()), SpanWatcher.class); 971174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne int n = spanWatchers.length; 9729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < n; i++) { 973174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne spanWatchers[i].onSpanChanged(this, what, oldStart, oldEnd, start, end); 9749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static String region(int start, int end) { 9789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return "(" + start + " ... " + end + ")"; 9799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void checkRange(final String operation, int start, int end) { 9829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (end < start) { 9839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IndexOutOfBoundsException(operation + " " + 984174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne region(start, end) + " has end before start"); 9859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int len = length(); 9889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (start > len || end > len) { 9909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IndexOutOfBoundsException(operation + " " + 991174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne region(start, end) + " ends beyond length " + len); 9929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (start < 0 || end < 0) { 9959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IndexOutOfBoundsException(operation + " " + 996174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne region(start, end) + " starts before 0"); 9979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1000174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne /* 10019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private boolean isprint(char c) { // XXX 10029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (c >= ' ' && c <= '~') 10039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 10049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project else 10059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 10069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int startFlag(int flag) { 10099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return (flag >> 4) & 0x0F; 10109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int endFlag(int flag) { 10139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return flag & 0x0F; 10149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void dump() { // XXX 10179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < mGapStart; i++) { 10189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.out.print('|'); 10199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.out.print(' '); 10209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.out.print(isprint(mText[i]) ? mText[i] : '.'); 10219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.out.print(' '); 10229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = mGapStart; i < mGapStart + mGapLength; i++) { 10259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.out.print('|'); 10269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.out.print('('); 10279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.out.print(isprint(mText[i]) ? mText[i] : '.'); 10289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.out.print(')'); 10299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = mGapStart + mGapLength; i < mText.length; i++) { 10329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.out.print('|'); 10339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.out.print(' '); 10349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.out.print(isprint(mText[i]) ? mText[i] : '.'); 10359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.out.print(' '); 10369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.out.print('\n'); 10399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < mText.length + 1; i++) { 10419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int found = 0; 10429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int wfound = 0; 10439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int j = 0; j < mSpanCount; j++) { 10459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mSpanStarts[j] == i) { 10469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project found = 1; 10479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project wfound = j; 10489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 10499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mSpanEnds[j] == i) { 10529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project found = 2; 10539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project wfound = j; 10549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 10559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (found == 1) { 10599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (startFlag(mSpanFlags[wfound]) == MARK) 10609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.out.print("( "); 10619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (startFlag(mSpanFlags[wfound]) == PARAGRAPH) 10629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.out.print("< "); 10639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project else 10649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.out.print("[ "); 10659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (found == 2) { 10669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (endFlag(mSpanFlags[wfound]) == POINT) 10679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.out.print(") "); 10689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (endFlag(mSpanFlags[wfound]) == PARAGRAPH) 10699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.out.print("> "); 10709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project else 10719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.out.print("] "); 10729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 10739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.out.print(" "); 10749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.out.print("\n"); 10789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1079174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne */ 10809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 10829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Don't call this yourself -- exists for Canvas to use internally. 10839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@hide} 10849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1085b51036f72aa69e56133fefbf2b56724768423512Gilles Debunne public void drawText(Canvas c, int start, int end, float x, float y, Paint p) { 10869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project checkRange("drawText", start, end); 10879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (end <= mGapStart) { 10899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project c.drawText(mText, start, end - start, x, y, p); 10909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (start >= mGapStart) { 10919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project c.drawText(mText, start + mGapLength, end - start, x, y, p); 10929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 10939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char[] buf = TextUtils.obtain(end - start); 10949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project getChars(start, end, buf, 0); 10969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project c.drawText(buf, 0, end - start, x, y, p); 10979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project TextUtils.recycle(buf); 10989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11010c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt 11029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1103f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt * Don't call this yourself -- exists for Canvas to use internally. 1104f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt * {@hide} 1105f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt */ 1106b51036f72aa69e56133fefbf2b56724768423512Gilles Debunne public void drawTextRun(Canvas c, int start, int end, int contextStart, int contextEnd, 11070c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt float x, float y, int flags, Paint p) { 1108f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt checkRange("drawTextRun", start, end); 1109f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt 11100c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt int contextLen = contextEnd - contextStart; 11110c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt int len = end - start; 11120c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt if (contextEnd <= mGapStart) { 11130c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt c.drawTextRun(mText, start, len, contextStart, contextLen, x, y, flags, p); 11140c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt } else if (contextStart >= mGapStart) { 11150c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt c.drawTextRun(mText, start + mGapLength, len, contextStart + mGapLength, 11160c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt contextLen, x, y, flags, p); 1117f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt } else { 11180c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt char[] buf = TextUtils.obtain(contextLen); 11190c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt getChars(contextStart, contextEnd, buf, 0); 11200c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt c.drawTextRun(buf, start - contextStart, len, 0, contextLen, x, y, flags, p); 1121f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt TextUtils.recycle(buf); 1122f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt } 1123f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt } 1124f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt 1125174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne /** 11269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Don't call this yourself -- exists for Paint to use internally. 11279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@hide} 11289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 11299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public float measureText(int start, int end, Paint p) { 11309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project checkRange("measureText", start, end); 11319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float ret; 11339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (end <= mGapStart) { 11359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ret = p.measureText(mText, start, end - start); 11369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (start >= mGapStart) { 11379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ret = p.measureText(mText, start + mGapLength, end - start); 11389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 11399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char[] buf = TextUtils.obtain(end - start); 11409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project getChars(start, end, buf, 0); 11429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ret = p.measureText(buf, 0, end - start); 11439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project TextUtils.recycle(buf); 11449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return ret; 11479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 11509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Don't call this yourself -- exists for Paint to use internally. 11519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@hide} 11529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 11539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getTextWidths(int start, int end, float[] widths, Paint p) { 11549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project checkRange("getTextWidths", start, end); 11559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int ret; 11579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (end <= mGapStart) { 11599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ret = p.getTextWidths(mText, start, end - start, widths); 11609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (start >= mGapStart) { 1161174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne ret = p.getTextWidths(mText, start + mGapLength, end - start, widths); 11629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 11639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char[] buf = TextUtils.obtain(end - start); 11649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project getChars(start, end, buf, 0); 11669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ret = p.getTextWidths(buf, 0, end - start, widths); 11679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project TextUtils.recycle(buf); 11689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return ret; 11719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11730c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt /** 11740c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt * Don't call this yourself -- exists for Paint to use internally. 11750c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt * {@hide} 11760c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt */ 11770c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt public float getTextRunAdvances(int start, int end, int contextStart, int contextEnd, int flags, 11780c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt float[] advances, int advancesPos, Paint p) { 11790c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt 11800c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt float ret; 11810c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt 11820c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt int contextLen = contextEnd - contextStart; 11830c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt int len = end - start; 11840c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt 11850c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt if (end <= mGapStart) { 11860c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt ret = p.getTextRunAdvances(mText, start, len, contextStart, contextLen, 11870c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt flags, advances, advancesPos); 11880c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt } else if (start >= mGapStart) { 11890c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt ret = p.getTextRunAdvances(mText, start + mGapLength, len, 11900c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt contextStart + mGapLength, contextLen, flags, advances, advancesPos); 11910c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt } else { 11920c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt char[] buf = TextUtils.obtain(contextLen); 11930c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt getChars(contextStart, contextEnd, buf, 0); 11940c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt ret = p.getTextRunAdvances(buf, start - contextStart, len, 11950c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt 0, contextLen, flags, advances, advancesPos); 11960c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt TextUtils.recycle(buf); 11970c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt } 11980c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt 11990c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt return ret; 12000c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt } 12010c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt 1202f09d510cd18854f41632433503ca46cc41362febGilles Debunne /** 1203eee49c699c035ffba188417489f40d34f587d65cFabrice Di Meglio * Don't call this yourself -- exists for Paint to use internally. 1204eee49c699c035ffba188417489f40d34f587d65cFabrice Di Meglio * {@hide} 1205eee49c699c035ffba188417489f40d34f587d65cFabrice Di Meglio */ 12060a1413e4bf9dcda2a8abb2287e43f612a7fb2453Fabrice Di Meglio public float getTextRunAdvances(int start, int end, int contextStart, int contextEnd, int flags, 12070a1413e4bf9dcda2a8abb2287e43f612a7fb2453Fabrice Di Meglio float[] advances, int advancesPos, Paint p, int reserved) { 1208eee49c699c035ffba188417489f40d34f587d65cFabrice Di Meglio 1209eee49c699c035ffba188417489f40d34f587d65cFabrice Di Meglio float ret; 1210eee49c699c035ffba188417489f40d34f587d65cFabrice Di Meglio 1211eee49c699c035ffba188417489f40d34f587d65cFabrice Di Meglio int contextLen = contextEnd - contextStart; 1212eee49c699c035ffba188417489f40d34f587d65cFabrice Di Meglio int len = end - start; 1213eee49c699c035ffba188417489f40d34f587d65cFabrice Di Meglio 1214eee49c699c035ffba188417489f40d34f587d65cFabrice Di Meglio if (end <= mGapStart) { 12150a1413e4bf9dcda2a8abb2287e43f612a7fb2453Fabrice Di Meglio ret = p.getTextRunAdvances(mText, start, len, contextStart, contextLen, 12160a1413e4bf9dcda2a8abb2287e43f612a7fb2453Fabrice Di Meglio flags, advances, advancesPos, reserved); 1217eee49c699c035ffba188417489f40d34f587d65cFabrice Di Meglio } else if (start >= mGapStart) { 12180a1413e4bf9dcda2a8abb2287e43f612a7fb2453Fabrice Di Meglio ret = p.getTextRunAdvances(mText, start + mGapLength, len, 12190a1413e4bf9dcda2a8abb2287e43f612a7fb2453Fabrice Di Meglio contextStart + mGapLength, contextLen, flags, advances, advancesPos, reserved); 1220eee49c699c035ffba188417489f40d34f587d65cFabrice Di Meglio } else { 1221eee49c699c035ffba188417489f40d34f587d65cFabrice Di Meglio char[] buf = TextUtils.obtain(contextLen); 1222eee49c699c035ffba188417489f40d34f587d65cFabrice Di Meglio getChars(contextStart, contextEnd, buf, 0); 12230a1413e4bf9dcda2a8abb2287e43f612a7fb2453Fabrice Di Meglio ret = p.getTextRunAdvances(buf, start - contextStart, len, 12240a1413e4bf9dcda2a8abb2287e43f612a7fb2453Fabrice Di Meglio 0, contextLen, flags, advances, advancesPos, reserved); 1225eee49c699c035ffba188417489f40d34f587d65cFabrice Di Meglio TextUtils.recycle(buf); 1226eee49c699c035ffba188417489f40d34f587d65cFabrice Di Meglio } 1227eee49c699c035ffba188417489f40d34f587d65cFabrice Di Meglio 1228eee49c699c035ffba188417489f40d34f587d65cFabrice Di Meglio return ret; 1229eee49c699c035ffba188417489f40d34f587d65cFabrice Di Meglio } 1230eee49c699c035ffba188417489f40d34f587d65cFabrice Di Meglio 1231eee49c699c035ffba188417489f40d34f587d65cFabrice Di Meglio /** 1232f09d510cd18854f41632433503ca46cc41362febGilles Debunne * Returns the next cursor position in the run. This avoids placing the cursor between 1233f09d510cd18854f41632433503ca46cc41362febGilles Debunne * surrogates, between characters that form conjuncts, between base characters and combining 1234f09d510cd18854f41632433503ca46cc41362febGilles Debunne * marks, or within a reordering cluster. 1235f09d510cd18854f41632433503ca46cc41362febGilles Debunne * 1236f09d510cd18854f41632433503ca46cc41362febGilles Debunne * <p>The context is the shaping context for cursor movement, generally the bounds of the metric 1237f09d510cd18854f41632433503ca46cc41362febGilles Debunne * span enclosing the cursor in the direction of movement. 1238f09d510cd18854f41632433503ca46cc41362febGilles Debunne * <code>contextStart</code>, <code>contextEnd</code> and <code>offset</code> are relative to 1239f09d510cd18854f41632433503ca46cc41362febGilles Debunne * the start of the string.</p> 1240f09d510cd18854f41632433503ca46cc41362febGilles Debunne * 1241616f3835a0a67328b378cb1cbc126f17478ab4a0Gilles Debunne * <p>If cursorOpt is CURSOR_AT and the offset is not a valid cursor position, 1242f09d510cd18854f41632433503ca46cc41362febGilles Debunne * this returns -1. Otherwise this will never return a value before contextStart or after 1243f09d510cd18854f41632433503ca46cc41362febGilles Debunne * contextEnd.</p> 1244f09d510cd18854f41632433503ca46cc41362febGilles Debunne * 1245f09d510cd18854f41632433503ca46cc41362febGilles Debunne * @param contextStart the start index of the context 1246f09d510cd18854f41632433503ca46cc41362febGilles Debunne * @param contextEnd the (non-inclusive) end index of the context 1247616f3835a0a67328b378cb1cbc126f17478ab4a0Gilles Debunne * @param flags either DIRECTION_RTL or DIRECTION_LTR 1248f09d510cd18854f41632433503ca46cc41362febGilles Debunne * @param offset the cursor position to move from 1249616f3835a0a67328b378cb1cbc126f17478ab4a0Gilles Debunne * @param cursorOpt how to move the cursor, one of CURSOR_AFTER, 1250616f3835a0a67328b378cb1cbc126f17478ab4a0Gilles Debunne * CURSOR_AT_OR_AFTER, CURSOR_BEFORE, 1251616f3835a0a67328b378cb1cbc126f17478ab4a0Gilles Debunne * CURSOR_AT_OR_BEFORE, or CURSOR_AT 1252f09d510cd18854f41632433503ca46cc41362febGilles Debunne * @param p the Paint object that is requesting this information 1253f09d510cd18854f41632433503ca46cc41362febGilles Debunne * @return the offset of the next position, or -1 1254b0b225602cc84e0602450a417a562e8f53f29c6bGilles Debunne * @deprecated This is an internal method, refrain from using it in your code 1255f09d510cd18854f41632433503ca46cc41362febGilles Debunne */ 1256b0b225602cc84e0602450a417a562e8f53f29c6bGilles Debunne @Deprecated 12570c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt public int getTextRunCursor(int contextStart, int contextEnd, int flags, int offset, 12580c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt int cursorOpt, Paint p) { 12590c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt 12600c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt int ret; 12610c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt 12620c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt int contextLen = contextEnd - contextStart; 12630c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt if (contextEnd <= mGapStart) { 12640c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt ret = p.getTextRunCursor(mText, contextStart, contextLen, 12650c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt flags, offset, cursorOpt); 12660c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt } else if (contextStart >= mGapStart) { 12670c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt ret = p.getTextRunCursor(mText, contextStart + mGapLength, contextLen, 1268312cd580391d70140eeb4080a4e195039172a6a6Gilles Debunne flags, offset + mGapLength, cursorOpt) - mGapLength; 12690c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt } else { 12700c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt char[] buf = TextUtils.obtain(contextLen); 12710c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt getChars(contextStart, contextEnd, buf, 0); 12720c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt ret = p.getTextRunCursor(buf, 0, contextLen, 12730c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt flags, offset - contextStart, cursorOpt) + contextStart; 12740c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt TextUtils.recycle(buf); 12750c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt } 12760c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt 12770c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt return ret; 12780c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt } 12790c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt 12809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Documentation from interface 12819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setFilters(InputFilter[] filters) { 12829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (filters == null) { 12839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalArgumentException(); 12849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFilters = filters; 12879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Documentation from interface 12909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public InputFilter[] getFilters() { 12919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mFilters; 12929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final InputFilter[] NO_FILTERS = new InputFilter[0]; 12959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private InputFilter[] mFilters = NO_FILTERS; 12969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private char[] mText; 12989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mGapStart; 12999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mGapLength; 13009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private Object[] mSpans; 13029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int[] mSpanStarts; 13039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int[] mSpanEnds; 13049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int[] mSpanFlags; 13059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mSpanCount; 1306174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne private int mSpanCountBeforeAdd; 13079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1308b51036f72aa69e56133fefbf2b56724768423512Gilles Debunne // TODO These value are tightly related to the public SPAN_MARK/POINT values in {@link Spanned} 13090249b43f6ce59bfec104f0fe606d9059244f8797Gilles Debunne private static final int MARK = 1; 13109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int POINT = 2; 13119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int PARAGRAPH = 3; 13129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int START_MASK = 0xF0; 13149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int END_MASK = 0x0F; 13159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int START_SHIFT = 4; 1316174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne 1317174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne // These bits are not (currently) used by SPANNED flags 1318174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne private static final int SPAN_START_AT_START = 0x1000; 1319174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne private static final int SPAN_START_AT_END = 0x2000; 1320174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne private static final int SPAN_END_AT_START = 0x4000; 1321174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne private static final int SPAN_END_AT_END = 0x8000; 1322174c44c6cfeead714bb180d21332e712e8b0bbd8Gilles Debunne private static final int SPAN_START_END_MASK = 0xF000; 13239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1324