SpannableStringBuilder.java revision b0b225602cc84e0602450a417a562e8f53f29c6b
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 com.android.internal.util.ArrayUtils; 20f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt 219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.graphics.Canvas; 22f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Feltimport android.graphics.Paint; 239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.lang.reflect.Array; 259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/** 279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This is the class for text whose content and markup can both be changed. 289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpublic class SpannableStringBuilder 309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimplements CharSequence, GetChars, Spannable, Editable, Appendable, 319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project GraphicsOperations 329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Create a new SpannableStringBuilder with empty contents 359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public SpannableStringBuilder() { 379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project this(""); 389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Create a new SpannableStringBuilder containing a copy of the 429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * specified text, including its spans if any. 439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public SpannableStringBuilder(CharSequence text) { 459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project this(text, 0, text.length()); 469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Create a new SpannableStringBuilder containing a copy of the 509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * specified slice of the specified text, including its spans if any. 519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public SpannableStringBuilder(CharSequence text, int start, int end) { 539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int srclen = end - start; 549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int len = ArrayUtils.idealCharArraySize(srclen + 1); 569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mText = new char[len]; 579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGapStart = srclen; 589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGapLength = len - srclen; 599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project TextUtils.getChars(text, start, end, mText, 0); 619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSpanCount = 0; 639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int alloc = ArrayUtils.idealIntArraySize(0); 649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSpans = new Object[alloc]; 659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSpanStarts = new int[alloc]; 669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSpanEnds = new int[alloc]; 679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSpanFlags = new int[alloc]; 689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (text instanceof Spanned) { 709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Spanned sp = (Spanned) text; 719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Object[] spans = sp.getSpans(start, end, Object.class); 729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < spans.length; i++) { 749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (spans[i] instanceof NoCopySpan) { 759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project continue; 769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int st = sp.getSpanStart(spans[i]) - start; 799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int en = sp.getSpanEnd(spans[i]) - start; 809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int fl = sp.getSpanFlags(spans[i]); 819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (st < 0) 839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project st = 0; 849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (st > end - start) 859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project st = end - start; 869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (en < 0) 889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project en = 0; 899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (en > end - start) 909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project en = end - start; 919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setSpan(spans[i], st, en, fl); 939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static SpannableStringBuilder valueOf(CharSequence source) { 989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (source instanceof SpannableStringBuilder) { 999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return (SpannableStringBuilder) source; 1009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 1019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return new SpannableStringBuilder(source); 1029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Return the char at the specified offset within the buffer. 1079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public char charAt(int where) { 1099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int len = length(); 1109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (where < 0) { 1119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IndexOutOfBoundsException("charAt: " + where + " < 0"); 1129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (where >= len) { 1139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IndexOutOfBoundsException("charAt: " + where + 1149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project " >= 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) { 1319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int newlen = ArrayUtils.idealCharArraySize(size + 1); 1329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char[] newtext = new char[newlen]; 1339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int after = mText.length - (mGapStart + mGapLength); 1359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.arraycopy(mText, 0, newtext, 0, mGapStart); 1379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.arraycopy(mText, mText.length - after, 1389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project newtext, newlen - after, after); 1399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < mSpanCount; i++) { 1419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mSpanStarts[i] > mGapStart) 1429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSpanStarts[i] += newlen - mText.length; 1439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mSpanEnds[i] > mGapStart) 1449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSpanEnds[i] += newlen - mText.length; 1459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int oldlen = mText.length; 1489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mText = newtext; 1499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGapLength += mText.length - oldlen; 1509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mGapLength < 1) 1529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project new Exception("mGapLength < 1").printStackTrace(); 1539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void moveGapTo(int where) { 1569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (where == mGapStart) 1579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 1589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean atend = (where == length()); 1609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (where < mGapStart) { 1629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int overlap = mGapStart - where; 1639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.arraycopy(mText, where, 1659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mText, mGapStart + mGapLength - overlap, overlap); 1669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else /* where > mGapStart */ { 1679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int overlap = where - mGapStart; 1689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.arraycopy(mText, where + mGapLength - overlap, 1709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mText, mGapStart, overlap); 1719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // XXX be more clever 1749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < mSpanCount; i++) { 1759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int start = mSpanStarts[i]; 1769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int end = mSpanEnds[i]; 1779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (start > mGapStart) 1799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project start -= mGapLength; 1809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (start > where) 1819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project start += mGapLength; 1829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project else if (start == where) { 1839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int flag = (mSpanFlags[i] & START_MASK) >> START_SHIFT; 1849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (flag == POINT || (atend && flag == PARAGRAPH)) 1869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project start += mGapLength; 1879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (end > mGapStart) 1909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project end -= mGapLength; 1919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (end > where) 1929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project end += mGapLength; 1939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project else if (end == where) { 1949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int flag = (mSpanFlags[i] & END_MASK); 1959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (flag == POINT || (atend && flag == PARAGRAPH)) 1979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project end += mGapLength; 1989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSpanStarts[i] = start; 2019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSpanEnds[i] = end; 2029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGapStart = where; 2059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Documentation from interface 2089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public SpannableStringBuilder insert(int where, CharSequence tb, int start, int end) { 2099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return replace(where, where, tb, start, end); 2109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Documentation from interface 2139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public SpannableStringBuilder insert(int where, CharSequence tb) { 2149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return replace(where, where, tb, 0, tb.length()); 2159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Documentation from interface 2189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public SpannableStringBuilder delete(int start, int end) { 2199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SpannableStringBuilder ret = replace(start, end, "", 0, 0); 2209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mGapLength > 2 * length()) 2229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project resizeFor(length()); 2239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return ret; // == this 2259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Documentation from interface 2289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void clear() { 2299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project replace(0, length(), "", 0, 0); 2309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Documentation from interface 2339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void clearSpans() { 2349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = mSpanCount - 1; i >= 0; i--) { 2359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Object what = mSpans[i]; 2369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int ostart = mSpanStarts[i]; 2379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int oend = mSpanEnds[i]; 2389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (ostart > mGapStart) 2409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ostart -= mGapLength; 2419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (oend > mGapStart) 2429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project oend -= mGapLength; 2439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSpanCount = i; 2459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSpans[i] = null; 2469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sendSpanRemoved(what, ostart, oend); 2489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Documentation from interface 2529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public SpannableStringBuilder append(CharSequence text) { 2539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int length = length(); 2549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return replace(length, length, text, 0, text.length()); 2559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Documentation from interface 2589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public SpannableStringBuilder append(CharSequence text, int start, int end) { 2599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int length = length(); 2609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return replace(length, length, text, start, end); 2619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Documentation from interface 2649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public SpannableStringBuilder append(char text) { 2659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return append(String.valueOf(text)); 2669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int change(int start, int end, 2699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project CharSequence tb, int tbstart, int tbend) { 2709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return change(true, start, end, tb, tbstart, tbend); 2719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int change(boolean notify, int start, int end, 2749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project CharSequence tb, int tbstart, int tbend) { 2759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project checkRange("replace", start, end); 2769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int ret = tbend - tbstart; 2779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project TextWatcher[] recipients = null; 2789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (notify) 2809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project recipients = sendTextWillChange(start, end - start, 2819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project tbend - tbstart); 2829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = mSpanCount - 1; i >= 0; i--) { 2849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mSpanFlags[i] & SPAN_PARAGRAPH) == SPAN_PARAGRAPH) { 2859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int st = mSpanStarts[i]; 2869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (st > mGapStart) 2879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project st -= mGapLength; 2889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int en = mSpanEnds[i]; 2909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (en > mGapStart) 2919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project en -= mGapLength; 2929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int ost = st; 2949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int oen = en; 2959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int clen = length(); 2969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (st > start && st <= end) { 2989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (st = end; st < clen; st++) 2999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (st > end && charAt(st - 1) == '\n') 3009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 3019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (en > start && en <= end) { 3049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (en = end; en < clen; en++) 3059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (en > end && charAt(en - 1) == '\n') 3069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 3079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (st != ost || en != oen) 3109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setSpan(mSpans[i], st, en, mSpanFlags[i]); 3119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project moveGapTo(end); 3159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 316312cd580391d70140eeb4080a4e195039172a6a6Gilles Debunne // Can be negative 317312cd580391d70140eeb4080a4e195039172a6a6Gilles Debunne final int nbNewChars = (tbend - tbstart) - (end - start); 3189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 319312cd580391d70140eeb4080a4e195039172a6a6Gilles Debunne if (nbNewChars >= mGapLength) { 320312cd580391d70140eeb4080a4e195039172a6a6Gilles Debunne resizeFor(mText.length + nbNewChars - mGapLength); 321312cd580391d70140eeb4080a4e195039172a6a6Gilles Debunne } 322312cd580391d70140eeb4080a4e195039172a6a6Gilles Debunne 323312cd580391d70140eeb4080a4e195039172a6a6Gilles Debunne mGapStart += nbNewChars; 324312cd580391d70140eeb4080a4e195039172a6a6Gilles Debunne mGapLength -= nbNewChars; 3259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mGapLength < 1) 3279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project new Exception("mGapLength < 1").printStackTrace(); 3289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project TextUtils.getChars(tb, tbstart, tbend, mText, start); 3309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (tb instanceof Spanned) { 3329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Spanned sp = (Spanned) tb; 3339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Object[] spans = sp.getSpans(tbstart, tbend, Object.class); 3349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < spans.length; i++) { 3369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int st = sp.getSpanStart(spans[i]); 3379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int en = sp.getSpanEnd(spans[i]); 3389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (st < tbstart) 3409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project st = tbstart; 3419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (en > tbend) 3429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project en = tbend; 3439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (getSpanStart(spans[i]) < 0) { 3459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setSpan(false, spans[i], 3469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project st - tbstart + start, 3479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project en - tbstart + start, 3489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sp.getSpanFlags(spans[i])); 3499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // no need for span fixup on pure insertion 3549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (tbend > tbstart && end - start == 0) { 3559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (notify) { 3569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sendTextChange(recipients, start, end - start, tbend - tbstart); 3579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sendTextHasChanged(recipients); 3589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return ret; 3619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean atend = (mGapStart + mGapLength == mText.length); 3649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = mSpanCount - 1; i >= 0; i--) { 3669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mSpanStarts[i] >= start && 3679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSpanStarts[i] < mGapStart + mGapLength) { 3689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int flag = (mSpanFlags[i] & START_MASK) >> START_SHIFT; 3699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (flag == POINT || (flag == PARAGRAPH && atend)) 3719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSpanStarts[i] = mGapStart + mGapLength; 3729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project else 3739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSpanStarts[i] = start; 3749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mSpanEnds[i] >= start && 3779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSpanEnds[i] < mGapStart + mGapLength) { 3789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int flag = (mSpanFlags[i] & END_MASK); 3799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (flag == POINT || (flag == PARAGRAPH && atend)) 3819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSpanEnds[i] = mGapStart + mGapLength; 3829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project else 3839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSpanEnds[i] = start; 3849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // remove 0-length SPAN_EXCLUSIVE_EXCLUSIVE 3879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // XXX send notification on removal 3889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mSpanEnds[i] < mSpanStarts[i]) { 3909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.arraycopy(mSpans, i + 1, 3919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSpans, i, mSpanCount - (i + 1)); 3929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.arraycopy(mSpanStarts, i + 1, 3939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSpanStarts, i, mSpanCount - (i + 1)); 3949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.arraycopy(mSpanEnds, i + 1, 3959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSpanEnds, i, mSpanCount - (i + 1)); 3969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.arraycopy(mSpanFlags, i + 1, 3979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSpanFlags, i, mSpanCount - (i + 1)); 3989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSpanCount--; 4009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (notify) { 4049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sendTextChange(recipients, start, end - start, tbend - tbstart); 4059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sendTextHasChanged(recipients); 4069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return ret; 4099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Documentation from interface 4129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public SpannableStringBuilder replace(int start, int end, CharSequence tb) { 4139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return replace(start, end, tb, 0, tb.length()); 4149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Documentation from interface 4179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public SpannableStringBuilder replace(final int start, final int end, 4189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project CharSequence tb, int tbstart, int tbend) { 4199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int filtercount = mFilters.length; 4209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < filtercount; i++) { 4219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project CharSequence repl = mFilters[i].filter(tb, tbstart, tbend, 4229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project this, start, end); 4239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (repl != null) { 4259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project tb = repl; 4269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project tbstart = 0; 4279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project tbend = repl.length(); 4289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (end == start && tbstart == tbend) { 4329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return this; 4339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (end == start || tbstart == tbend) { 4369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project change(start, end, tb, tbstart, tbend); 4379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 4389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int selstart = Selection.getSelectionStart(this); 4399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int selend = Selection.getSelectionEnd(this); 4409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // XXX just make the span fixups in change() do the right thing 4429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // instead of this madness! 4439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project checkRange("replace", start, end); 4459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project moveGapTo(end); 4469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project TextWatcher[] recipients; 4479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project recipients = sendTextWillChange(start, end - start, 4499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project tbend - tbstart); 4509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int origlen = end - start; 4529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mGapLength < 2) 4549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project resizeFor(length() + 1); 4559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = mSpanCount - 1; i >= 0; i--) { 4579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mSpanStarts[i] == mGapStart) 4589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSpanStarts[i]++; 4599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mSpanEnds[i] == mGapStart) 4619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSpanEnds[i]++; 4629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mText[mGapStart] = ' '; 4659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGapStart++; 4669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGapLength--; 4679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mGapLength < 1) 4699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project new Exception("mGapLength < 1").printStackTrace(); 4709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int oldlen = (end + 1) - start; 4729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int inserted = change(false, start + 1, start + 1, 4749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project tb, tbstart, tbend); 4759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project change(false, start, start + 1, "", 0, 0); 4769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project change(false, start + inserted, start + inserted + oldlen - 1, 4779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "", 0, 0); 4789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* 4809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Special case to keep the cursor in the same position 4819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * if it was somewhere in the middle of the replaced region. 4829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * If it was at the start or the end or crossing the whole 4839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * replacement, it should already be where it belongs. 4849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * TODO: Is there some more general mechanism that could 4859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * accomplish this? 4869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (selstart > start && selstart < end) { 4889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project long off = selstart - start; 4899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project off = off * inserted / (end - start); 4919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project selstart = (int) off + start; 4929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setSpan(false, Selection.SELECTION_START, selstart, selstart, 4949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Spanned.SPAN_POINT_POINT); 4959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (selend > start && selend < end) { 4979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project long off = selend - start; 4989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project off = off * inserted / (end - start); 5009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project selend = (int) off + start; 5019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setSpan(false, Selection.SELECTION_END, selend, selend, 5039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Spanned.SPAN_POINT_POINT); 5049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sendTextChange(recipients, start, origlen, inserted); 5079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sendTextHasChanged(recipients); 5089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return this; 5109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Mark the specified range of text with the specified object. 5149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The flags determine how the span will behave when text is 5159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * inserted at the start or end of the span's range. 5169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setSpan(Object what, int start, int end, int flags) { 5189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setSpan(true, what, start, end, flags); 5199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void setSpan(boolean send, 5229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Object what, int start, int end, int flags) { 5239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int nstart = start; 5249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int nend = end; 5259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project checkRange("setSpan", start, end); 5279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((flags & START_MASK) == (PARAGRAPH << START_SHIFT)) { 5299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (start != 0 && start != length()) { 5309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char c = charAt(start - 1); 5319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (c != '\n') 5339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new RuntimeException( 5349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "PARAGRAPH span must start at paragraph boundary"); 5359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((flags & END_MASK) == PARAGRAPH) { 5399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (end != 0 && end != length()) { 5409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char c = charAt(end - 1); 5419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (c != '\n') 5439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new RuntimeException( 5449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "PARAGRAPH span must end at paragraph boundary"); 5459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (start > mGapStart) 5499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project start += mGapLength; 5509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project else if (start == mGapStart) { 5519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int flag = (flags & START_MASK) >> START_SHIFT; 5529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (flag == POINT || (flag == PARAGRAPH && start == length())) 5549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project start += mGapLength; 5559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (end > mGapStart) 5589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project end += mGapLength; 5599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project else if (end == mGapStart) { 5609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int flag = (flags & END_MASK); 5619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (flag == POINT || (flag == PARAGRAPH && end == length())) 5639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project end += mGapLength; 5649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int count = mSpanCount; 5679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Object[] spans = mSpans; 5689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < count; i++) { 5709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (spans[i] == what) { 5719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int ostart = mSpanStarts[i]; 5729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int oend = mSpanEnds[i]; 5739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (ostart > mGapStart) 5759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ostart -= mGapLength; 5769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (oend > mGapStart) 5779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project oend -= mGapLength; 5789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSpanStarts[i] = start; 5809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSpanEnds[i] = end; 5819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSpanFlags[i] = flags; 5829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (send) 5849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sendSpanChanged(what, ostart, oend, nstart, nend); 5859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 5879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mSpanCount + 1 >= mSpans.length) { 5919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int newsize = ArrayUtils.idealIntArraySize(mSpanCount + 1); 5929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Object[] newspans = new Object[newsize]; 5939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int[] newspanstarts = new int[newsize]; 5949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int[] newspanends = new int[newsize]; 5959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int[] newspanflags = new int[newsize]; 5969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.arraycopy(mSpans, 0, newspans, 0, mSpanCount); 5989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.arraycopy(mSpanStarts, 0, newspanstarts, 0, mSpanCount); 5999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.arraycopy(mSpanEnds, 0, newspanends, 0, mSpanCount); 6009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.arraycopy(mSpanFlags, 0, newspanflags, 0, mSpanCount); 6019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSpans = newspans; 6039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSpanStarts = newspanstarts; 6049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSpanEnds = newspanends; 6059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSpanFlags = newspanflags; 6069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSpans[mSpanCount] = what; 6099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSpanStarts[mSpanCount] = start; 6109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSpanEnds[mSpanCount] = end; 6119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSpanFlags[mSpanCount] = flags; 6129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSpanCount++; 6139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (send) 6159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sendSpanAdded(what, nstart, nend); 6169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 6199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Remove the specified markup object from the buffer. 6209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void removeSpan(Object what) { 6229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = mSpanCount - 1; i >= 0; i--) { 6239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mSpans[i] == what) { 6249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int ostart = mSpanStarts[i]; 6259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int oend = mSpanEnds[i]; 6269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (ostart > mGapStart) 6289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ostart -= mGapLength; 6299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (oend > mGapStart) 6309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project oend -= mGapLength; 6319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int count = mSpanCount - (i + 1); 6339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.arraycopy(mSpans, i + 1, mSpans, i, count); 6359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.arraycopy(mSpanStarts, i + 1, mSpanStarts, i, count); 6369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.arraycopy(mSpanEnds, i + 1, mSpanEnds, i, count); 6379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.arraycopy(mSpanFlags, i + 1, mSpanFlags, i, count); 6389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSpanCount--; 6409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSpans[mSpanCount] = null; 6419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sendSpanRemoved(what, ostart, oend); 6439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 6449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 6499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Return the buffer offset of the beginning of the specified 6509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * markup object, or -1 if it is not attached to this buffer. 6519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getSpanStart(Object what) { 6539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int count = mSpanCount; 6549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Object[] spans = mSpans; 6559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = count - 1; i >= 0; i--) { 6579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (spans[i] == what) { 6589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int where = mSpanStarts[i]; 6599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (where > mGapStart) 6619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project where -= mGapLength; 6629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return where; 6649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 6689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 6719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Return the buffer offset of the end of the specified 6729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * markup object, or -1 if it is not attached to this buffer. 6739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getSpanEnd(Object what) { 6759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int count = mSpanCount; 6769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Object[] spans = mSpans; 6779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = count - 1; i >= 0; i--) { 6799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (spans[i] == what) { 6809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int where = mSpanEnds[i]; 6819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (where > mGapStart) 6839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project where -= mGapLength; 6849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return where; 6869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 6909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 6939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Return the flags of the end of the specified 6949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * markup object, or 0 if it is not attached to this buffer. 6959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getSpanFlags(Object what) { 6979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int count = mSpanCount; 6989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Object[] spans = mSpans; 6999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = count - 1; i >= 0; i--) { 7019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (spans[i] == what) { 7029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mSpanFlags[i]; 7039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return 0; 7079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 7109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Return an array of the spans of the specified type that overlap 7119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the specified range of the buffer. The kind may be Object.class to get 7129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * a list of all the spans regardless of type. 7139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 714312cd580391d70140eeb4080a4e195039172a6a6Gilles Debunne @SuppressWarnings("unchecked") 7159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public <T> T[] getSpans(int queryStart, int queryEnd, Class<T> kind) { 7169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int spanCount = mSpanCount; 7179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Object[] spans = mSpans; 7189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int[] starts = mSpanStarts; 7199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int[] ends = mSpanEnds; 7209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int[] flags = mSpanFlags; 7219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int gapstart = mGapStart; 7229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int gaplen = mGapLength; 7239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int count = 0; 725312cd580391d70140eeb4080a4e195039172a6a6Gilles Debunne T[] ret = null; 726312cd580391d70140eeb4080a4e195039172a6a6Gilles Debunne T ret1 = null; 7279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < spanCount; i++) { 7299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int spanStart = starts[i]; 7309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int spanEnd = ends[i]; 7319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (spanStart > gapstart) { 7339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project spanStart -= gaplen; 7349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (spanEnd > gapstart) { 7369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project spanEnd -= gaplen; 7379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (spanStart > queryEnd) { 7409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project continue; 7419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (spanEnd < queryStart) { 7439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project continue; 7449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (spanStart != spanEnd && queryStart != queryEnd) { 7479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (spanStart == queryEnd) 7489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project continue; 7499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (spanEnd == queryStart) 7509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project continue; 7519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (kind != null && !kind.isInstance(spans[i])) { 7549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project continue; 7559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (count == 0) { 758312cd580391d70140eeb4080a4e195039172a6a6Gilles Debunne // Safe conversion thanks to the isInstance test above 759312cd580391d70140eeb4080a4e195039172a6a6Gilles Debunne ret1 = (T) spans[i]; 7609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project count++; 7619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 7629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (count == 1) { 763312cd580391d70140eeb4080a4e195039172a6a6Gilles Debunne // Safe conversion, but requires a suppressWarning 764312cd580391d70140eeb4080a4e195039172a6a6Gilles Debunne ret = (T[]) Array.newInstance(kind, spanCount - i + 1); 7659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ret[0] = ret1; 7669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int prio = flags[i] & SPAN_PRIORITY; 7699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (prio != 0) { 7709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int j; 7719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (j = 0; j < count; j++) { 7739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int p = getSpanFlags(ret[j]) & SPAN_PRIORITY; 7749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (prio > p) { 7769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 7779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.arraycopy(ret, j, ret, j + 1, count - j); 781312cd580391d70140eeb4080a4e195039172a6a6Gilles Debunne // Safe conversion thanks to the isInstance test above 782312cd580391d70140eeb4080a4e195039172a6a6Gilles Debunne ret[j] = (T) spans[i]; 7839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project count++; 7849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 785312cd580391d70140eeb4080a4e195039172a6a6Gilles Debunne // Safe conversion thanks to the isInstance test above 786312cd580391d70140eeb4080a4e195039172a6a6Gilles Debunne ret[count++] = (T) spans[i]; 7879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (count == 0) { 792f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt return ArrayUtils.emptyArray(kind); 7939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (count == 1) { 795312cd580391d70140eeb4080a4e195039172a6a6Gilles Debunne // Safe conversion, but requires a suppressWarning 796312cd580391d70140eeb4080a4e195039172a6a6Gilles Debunne ret = (T[]) Array.newInstance(kind, 1); 7979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ret[0] = ret1; 798312cd580391d70140eeb4080a4e195039172a6a6Gilles Debunne return ret; 7999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (count == ret.length) { 801312cd580391d70140eeb4080a4e195039172a6a6Gilles Debunne return ret; 8029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 804312cd580391d70140eeb4080a4e195039172a6a6Gilles Debunne // Safe conversion, but requires a suppressWarning 805312cd580391d70140eeb4080a4e195039172a6a6Gilles Debunne T[] nret = (T[]) Array.newInstance(kind, count); 8069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.arraycopy(ret, 0, nret, 0, count); 807312cd580391d70140eeb4080a4e195039172a6a6Gilles Debunne return nret; 8089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 8119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Return the next offset after <code>start</code> but less than or 8129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * equal to <code>limit</code> where a span of the specified type 8139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * begins or ends. 8149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int nextSpanTransition(int start, int limit, Class kind) { 8169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int count = mSpanCount; 8179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Object[] spans = mSpans; 8189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int[] starts = mSpanStarts; 8199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int[] ends = mSpanEnds; 8209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int gapstart = mGapStart; 8219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int gaplen = mGapLength; 8229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (kind == null) { 8249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project kind = Object.class; 8259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < count; i++) { 8289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int st = starts[i]; 8299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int en = ends[i]; 8309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (st > gapstart) 8329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project st -= gaplen; 8339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (en > gapstart) 8349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project en -= gaplen; 8359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (st > start && st < limit && kind.isInstance(spans[i])) 8379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project limit = st; 8389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (en > start && en < limit && kind.isInstance(spans[i])) 8399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project limit = en; 8409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return limit; 8439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 8469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Return a new CharSequence containing a copy of the specified 8479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * range of this buffer, including the overlapping spans. 8489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public CharSequence subSequence(int start, int end) { 8509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return new SpannableStringBuilder(this, start, end); 8519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 8549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Copy the specified range of chars from this buffer into the 8559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * specified array, beginning at the specified offset. 8569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void getChars(int start, int end, char[] dest, int destoff) { 8589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project checkRange("getChars", start, end); 8599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (end <= mGapStart) { 8619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.arraycopy(mText, start, dest, destoff, end - start); 8629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (start >= mGapStart) { 8639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.arraycopy(mText, start + mGapLength, 8649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dest, destoff, end - start); 8659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 8669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.arraycopy(mText, start, dest, destoff, mGapStart - start); 8679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.arraycopy(mText, mGapStart + mGapLength, 8689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dest, destoff + (mGapStart - start), 8699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project end - mGapStart); 8709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 8749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Return a String containing a copy of the chars in this buffer. 8759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 876312cd580391d70140eeb4080a4e195039172a6a6Gilles Debunne @Override 8779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public String toString() { 8789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int len = length(); 8799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char[] buf = new char[len]; 8809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project getChars(0, len, buf, 0); 8829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return new String(buf); 8839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private TextWatcher[] sendTextWillChange(int start, int before, int after) { 8869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project TextWatcher[] recip = getSpans(start, start + before, TextWatcher.class); 8879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int n = recip.length; 8889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < n; i++) { 8909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project recip[i].beforeTextChanged(this, start, before, after); 8919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return recip; 8949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void sendTextChange(TextWatcher[] recip, int start, int before, 8979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int after) { 8989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int n = recip.length; 8999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < n; i++) { 9019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project recip[i].onTextChanged(this, start, before, after); 9029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void sendTextHasChanged(TextWatcher[] recip) { 9069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int n = recip.length; 9079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < n; i++) { 9099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project recip[i].afterTextChanged(this); 9109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void sendSpanAdded(Object what, int start, int end) { 9149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SpanWatcher[] recip = getSpans(start, end, SpanWatcher.class); 9159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int n = recip.length; 9169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < n; i++) { 9189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project recip[i].onSpanAdded(this, what, start, end); 9199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void sendSpanRemoved(Object what, int start, int end) { 9239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SpanWatcher[] recip = getSpans(start, end, SpanWatcher.class); 9249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int n = recip.length; 9259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < n; i++) { 9279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project recip[i].onSpanRemoved(this, what, start, end); 9289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void sendSpanChanged(Object what, int s, int e, int st, int en) { 9329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SpanWatcher[] recip = getSpans(Math.min(s, st), Math.max(e, en), 9339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SpanWatcher.class); 9349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int n = recip.length; 9359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < n; i++) { 9379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project recip[i].onSpanChanged(this, what, s, e, st, en); 9389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static String region(int start, int end) { 9429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return "(" + start + " ... " + end + ")"; 9439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void checkRange(final String operation, int start, int end) { 9469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (end < start) { 9479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IndexOutOfBoundsException(operation + " " + 9489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project region(start, end) + 9499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project " has end before start"); 9509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int len = length(); 9539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (start > len || end > len) { 9559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IndexOutOfBoundsException(operation + " " + 9569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project region(start, end) + 9579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project " ends beyond length " + len); 9589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (start < 0 || end < 0) { 9619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IndexOutOfBoundsException(operation + " " + 9629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project region(start, end) + 9639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project " starts before 0"); 9649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 967312cd580391d70140eeb4080a4e195039172a6a6Gilles Debunne/* 9689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private boolean isprint(char c) { // XXX 9699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (c >= ' ' && c <= '~') 9709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 9719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project else 9729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 9739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int startFlag(int flag) { 9769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return (flag >> 4) & 0x0F; 9779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int endFlag(int flag) { 9809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return flag & 0x0F; 9819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void dump() { // XXX 9849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < mGapStart; i++) { 9859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.out.print('|'); 9869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.out.print(' '); 9879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.out.print(isprint(mText[i]) ? mText[i] : '.'); 9889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.out.print(' '); 9899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = mGapStart; i < mGapStart + mGapLength; i++) { 9929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.out.print('|'); 9939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.out.print('('); 9949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.out.print(isprint(mText[i]) ? mText[i] : '.'); 9959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.out.print(')'); 9969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = mGapStart + mGapLength; i < mText.length; i++) { 9999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.out.print('|'); 10009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.out.print(' '); 10019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.out.print(isprint(mText[i]) ? mText[i] : '.'); 10029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.out.print(' '); 10039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.out.print('\n'); 10069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < mText.length + 1; i++) { 10089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int found = 0; 10099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int wfound = 0; 10109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int j = 0; j < mSpanCount; j++) { 10129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mSpanStarts[j] == i) { 10139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project found = 1; 10149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project wfound = j; 10159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 10169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mSpanEnds[j] == i) { 10199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project found = 2; 10209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project wfound = j; 10219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 10229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (found == 1) { 10269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (startFlag(mSpanFlags[wfound]) == MARK) 10279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.out.print("( "); 10289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (startFlag(mSpanFlags[wfound]) == PARAGRAPH) 10299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.out.print("< "); 10309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project else 10319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.out.print("[ "); 10329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (found == 2) { 10339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (endFlag(mSpanFlags[wfound]) == POINT) 10349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.out.print(") "); 10359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (endFlag(mSpanFlags[wfound]) == PARAGRAPH) 10369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.out.print("> "); 10379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project else 10389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.out.print("] "); 10399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 10409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.out.print(" "); 10419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.out.print("\n"); 10459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project*/ 10479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 10499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Don't call this yourself -- exists for Canvas to use internally. 10509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@hide} 10519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 10529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void drawText(Canvas c, int start, int end, 10539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float x, float y, Paint p) { 10549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project checkRange("drawText", start, end); 10559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (end <= mGapStart) { 10579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project c.drawText(mText, start, end - start, x, y, p); 10589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (start >= mGapStart) { 10599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project c.drawText(mText, start + mGapLength, end - start, x, y, p); 10609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 10619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char[] buf = TextUtils.obtain(end - start); 10629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project getChars(start, end, buf, 0); 10649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project c.drawText(buf, 0, end - start, x, y, p); 10659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project TextUtils.recycle(buf); 10669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10690c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt 10709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1071f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt * Don't call this yourself -- exists for Canvas to use internally. 1072f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt * {@hide} 1073f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt */ 1074f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt public void drawTextRun(Canvas c, int start, int end, 10750c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt int contextStart, int contextEnd, 10760c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt float x, float y, int flags, Paint p) { 1077f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt checkRange("drawTextRun", start, end); 1078f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt 10790c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt int contextLen = contextEnd - contextStart; 10800c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt int len = end - start; 10810c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt if (contextEnd <= mGapStart) { 10820c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt c.drawTextRun(mText, start, len, contextStart, contextLen, x, y, flags, p); 10830c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt } else if (contextStart >= mGapStart) { 10840c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt c.drawTextRun(mText, start + mGapLength, len, contextStart + mGapLength, 10850c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt contextLen, x, y, flags, p); 1086f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt } else { 10870c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt char[] buf = TextUtils.obtain(contextLen); 10880c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt getChars(contextStart, contextEnd, buf, 0); 10890c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt c.drawTextRun(buf, start - contextStart, len, 0, contextLen, x, y, flags, p); 1090f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt TextUtils.recycle(buf); 1091f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt } 1092f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt } 1093f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt 1094f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt /** 10959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Don't call this yourself -- exists for Paint to use internally. 10969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@hide} 10979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 10989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public float measureText(int start, int end, Paint p) { 10999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project checkRange("measureText", start, end); 11009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float ret; 11029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (end <= mGapStart) { 11049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ret = p.measureText(mText, start, end - start); 11059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (start >= mGapStart) { 11069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ret = p.measureText(mText, start + mGapLength, end - start); 11079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 11089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char[] buf = TextUtils.obtain(end - start); 11099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project getChars(start, end, buf, 0); 11119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ret = p.measureText(buf, 0, end - start); 11129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project TextUtils.recycle(buf); 11139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return ret; 11169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 11199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Don't call this yourself -- exists for Paint to use internally. 11209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@hide} 11219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 11229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getTextWidths(int start, int end, float[] widths, Paint p) { 11239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project checkRange("getTextWidths", start, end); 11249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int ret; 11269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (end <= mGapStart) { 11289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ret = p.getTextWidths(mText, start, end - start, widths); 11299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (start >= mGapStart) { 11309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ret = p.getTextWidths(mText, start + mGapLength, end - start, 11319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project widths); 11329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 11339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char[] buf = TextUtils.obtain(end - start); 11349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project getChars(start, end, buf, 0); 11369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ret = p.getTextWidths(buf, 0, end - start, widths); 11379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project TextUtils.recycle(buf); 11389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return ret; 11419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11430c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt /** 11440c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt * Don't call this yourself -- exists for Paint to use internally. 11450c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt * {@hide} 11460c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt */ 11470c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt public float getTextRunAdvances(int start, int end, int contextStart, int contextEnd, int flags, 11480c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt float[] advances, int advancesPos, Paint p) { 11490c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt 11500c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt float ret; 11510c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt 11520c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt int contextLen = contextEnd - contextStart; 11530c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt int len = end - start; 11540c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt 11550c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt if (end <= mGapStart) { 11560c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt ret = p.getTextRunAdvances(mText, start, len, contextStart, contextLen, 11570c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt flags, advances, advancesPos); 11580c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt } else if (start >= mGapStart) { 11590c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt ret = p.getTextRunAdvances(mText, start + mGapLength, len, 11600c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt contextStart + mGapLength, contextLen, flags, advances, advancesPos); 11610c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt } else { 11620c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt char[] buf = TextUtils.obtain(contextLen); 11630c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt getChars(contextStart, contextEnd, buf, 0); 11640c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt ret = p.getTextRunAdvances(buf, start - contextStart, len, 11650c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt 0, contextLen, flags, advances, advancesPos); 11660c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt TextUtils.recycle(buf); 11670c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt } 11680c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt 11690c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt return ret; 11700c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt } 11710c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt 1172f09d510cd18854f41632433503ca46cc41362febGilles Debunne /** 1173f09d510cd18854f41632433503ca46cc41362febGilles Debunne * Returns the next cursor position in the run. This avoids placing the cursor between 1174f09d510cd18854f41632433503ca46cc41362febGilles Debunne * surrogates, between characters that form conjuncts, between base characters and combining 1175f09d510cd18854f41632433503ca46cc41362febGilles Debunne * marks, or within a reordering cluster. 1176f09d510cd18854f41632433503ca46cc41362febGilles Debunne * 1177f09d510cd18854f41632433503ca46cc41362febGilles Debunne * <p>The context is the shaping context for cursor movement, generally the bounds of the metric 1178f09d510cd18854f41632433503ca46cc41362febGilles Debunne * span enclosing the cursor in the direction of movement. 1179f09d510cd18854f41632433503ca46cc41362febGilles Debunne * <code>contextStart</code>, <code>contextEnd</code> and <code>offset</code> are relative to 1180f09d510cd18854f41632433503ca46cc41362febGilles Debunne * the start of the string.</p> 1181f09d510cd18854f41632433503ca46cc41362febGilles Debunne * 1182616f3835a0a67328b378cb1cbc126f17478ab4a0Gilles Debunne * <p>If cursorOpt is CURSOR_AT and the offset is not a valid cursor position, 1183f09d510cd18854f41632433503ca46cc41362febGilles Debunne * this returns -1. Otherwise this will never return a value before contextStart or after 1184f09d510cd18854f41632433503ca46cc41362febGilles Debunne * contextEnd.</p> 1185f09d510cd18854f41632433503ca46cc41362febGilles Debunne * 1186f09d510cd18854f41632433503ca46cc41362febGilles Debunne * @param contextStart the start index of the context 1187f09d510cd18854f41632433503ca46cc41362febGilles Debunne * @param contextEnd the (non-inclusive) end index of the context 1188616f3835a0a67328b378cb1cbc126f17478ab4a0Gilles Debunne * @param flags either DIRECTION_RTL or DIRECTION_LTR 1189f09d510cd18854f41632433503ca46cc41362febGilles Debunne * @param offset the cursor position to move from 1190616f3835a0a67328b378cb1cbc126f17478ab4a0Gilles Debunne * @param cursorOpt how to move the cursor, one of CURSOR_AFTER, 1191616f3835a0a67328b378cb1cbc126f17478ab4a0Gilles Debunne * CURSOR_AT_OR_AFTER, CURSOR_BEFORE, 1192616f3835a0a67328b378cb1cbc126f17478ab4a0Gilles Debunne * CURSOR_AT_OR_BEFORE, or CURSOR_AT 1193f09d510cd18854f41632433503ca46cc41362febGilles Debunne * @param p the Paint object that is requesting this information 1194f09d510cd18854f41632433503ca46cc41362febGilles Debunne * @return the offset of the next position, or -1 1195b0b225602cc84e0602450a417a562e8f53f29c6bGilles Debunne * @deprecated This is an internal method, refrain from using it in your code 1196f09d510cd18854f41632433503ca46cc41362febGilles Debunne */ 1197b0b225602cc84e0602450a417a562e8f53f29c6bGilles Debunne @Deprecated 11980c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt public int getTextRunCursor(int contextStart, int contextEnd, int flags, int offset, 11990c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt int cursorOpt, Paint p) { 12000c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt 12010c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt int ret; 12020c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt 12030c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt int contextLen = contextEnd - contextStart; 12040c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt if (contextEnd <= mGapStart) { 12050c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt ret = p.getTextRunCursor(mText, contextStart, contextLen, 12060c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt flags, offset, cursorOpt); 12070c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt } else if (contextStart >= mGapStart) { 12080c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt ret = p.getTextRunCursor(mText, contextStart + mGapLength, contextLen, 1209312cd580391d70140eeb4080a4e195039172a6a6Gilles Debunne flags, offset + mGapLength, cursorOpt) - mGapLength; 12100c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt } else { 12110c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt char[] buf = TextUtils.obtain(contextLen); 12120c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt getChars(contextStart, contextEnd, buf, 0); 12130c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt ret = p.getTextRunCursor(buf, 0, contextLen, 12140c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt flags, offset - contextStart, cursorOpt) + contextStart; 12150c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt TextUtils.recycle(buf); 12160c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt } 12170c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt 12180c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt return ret; 12190c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt } 12200c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt 12219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Documentation from interface 12229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setFilters(InputFilter[] filters) { 12239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (filters == null) { 12249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalArgumentException(); 12259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFilters = filters; 12289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Documentation from interface 12319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public InputFilter[] getFilters() { 12329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mFilters; 12339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final InputFilter[] NO_FILTERS = new InputFilter[0]; 12369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private InputFilter[] mFilters = NO_FILTERS; 12379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private char[] mText; 12399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mGapStart; 12409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mGapLength; 12419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private Object[] mSpans; 12439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int[] mSpanStarts; 12449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int[] mSpanEnds; 12459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int[] mSpanFlags; 12469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mSpanCount; 12479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int MARK = 1; 12499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int POINT = 2; 12509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int PARAGRAPH = 3; 12519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int START_MASK = 0xF0; 12539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int END_MASK = 0x0F; 12549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int START_SHIFT = 4; 12559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1256