SpannableStringBuilder.java revision b062e81e3a16af43db3619d721aa522c137d1aa9
19066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 29066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Copyright (C) 2006 The Android Open Source Project 39066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 49066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Licensed under the Apache License, Version 2.0 (the "License"); 59066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * you may not use this file except in compliance with the License. 69066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * You may obtain a copy of the License at 79066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 89066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 99066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Unless required by applicable law or agreed to in writing, software 119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * See the License for the specific language governing permissions and 149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * limitations under the License. 159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpackage android.text; 189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.graphics.Canvas; 20f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Feltimport android.graphics.Paint; 216435a56a8c02de98befcc8cd743b2b638cffb327Gilles Debunne 226435a56a8c02de98befcc8cd743b2b638cffb327Gilles Debunneimport com.android.internal.util.ArrayUtils; 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 */ 296435a56a8c02de98befcc8cd743b2b638cffb327Gilles Debunnepublic class SpannableStringBuilder implements CharSequence, GetChars, Spannable, Editable, 306435a56a8c02de98befcc8cd743b2b638cffb327Gilles Debunne Appendable, GraphicsOperations { 319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Create a new SpannableStringBuilder with empty contents 339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public SpannableStringBuilder() { 359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project this(""); 369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Create a new SpannableStringBuilder containing a copy of the 409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * specified text, including its spans if any. 419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public SpannableStringBuilder(CharSequence text) { 439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project this(text, 0, text.length()); 449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Create a new SpannableStringBuilder containing a copy of the 489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * specified slice of the specified text, including its spans if any. 499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public SpannableStringBuilder(CharSequence text, int start, int end) { 519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int srclen = end - start; 529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int len = ArrayUtils.idealCharArraySize(srclen + 1); 549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mText = new char[len]; 559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGapStart = srclen; 569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGapLength = len - srclen; 579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project TextUtils.getChars(text, start, end, mText, 0); 599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSpanCount = 0; 619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int alloc = ArrayUtils.idealIntArraySize(0); 629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSpans = new Object[alloc]; 639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSpanStarts = new int[alloc]; 649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSpanEnds = new int[alloc]; 659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSpanFlags = new int[alloc]; 669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (text instanceof Spanned) { 689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Spanned sp = (Spanned) text; 699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Object[] spans = sp.getSpans(start, end, Object.class); 709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < spans.length; i++) { 729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (spans[i] instanceof NoCopySpan) { 739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project continue; 749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int st = sp.getSpanStart(spans[i]) - start; 779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int en = sp.getSpanEnd(spans[i]) - start; 789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int fl = sp.getSpanFlags(spans[i]); 799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (st < 0) 819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project st = 0; 829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (st > end - start) 839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project st = end - start; 849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (en < 0) 869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project en = 0; 879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (en > end - start) 889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project en = end - start; 899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setSpan(spans[i], st, en, fl); 919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static SpannableStringBuilder valueOf(CharSequence source) { 969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (source instanceof SpannableStringBuilder) { 979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return (SpannableStringBuilder) source; 989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return new SpannableStringBuilder(source); 1009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Return the char at the specified offset within the buffer. 1059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public char charAt(int where) { 1079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int len = length(); 1089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (where < 0) { 1099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IndexOutOfBoundsException("charAt: " + where + " < 0"); 1109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (where >= len) { 1116435a56a8c02de98befcc8cd743b2b638cffb327Gilles Debunne throw new IndexOutOfBoundsException("charAt: " + where + " >= length " + len); 1129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (where >= mGapStart) 1159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mText[where + mGapLength]; 1169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project else 1179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mText[where]; 1189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Return the number of chars in the buffer. 1229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int length() { 1249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mText.length - mGapLength; 1259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void resizeFor(int size) { 1289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int newlen = ArrayUtils.idealCharArraySize(size + 1); 1299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char[] newtext = new char[newlen]; 1309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int after = mText.length - (mGapStart + mGapLength); 1329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.arraycopy(mText, 0, newtext, 0, mGapStart); 1349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.arraycopy(mText, mText.length - after, 1359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project newtext, newlen - after, after); 1369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < mSpanCount; i++) { 1389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mSpanStarts[i] > mGapStart) 1399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSpanStarts[i] += newlen - mText.length; 1409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mSpanEnds[i] > mGapStart) 1419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSpanEnds[i] += newlen - mText.length; 1429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int oldlen = mText.length; 1459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mText = newtext; 1469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGapLength += mText.length - oldlen; 1479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mGapLength < 1) 1499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project new Exception("mGapLength < 1").printStackTrace(); 1509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void moveGapTo(int where) { 1539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (where == mGapStart) 1549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 1559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean atend = (where == length()); 1579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (where < mGapStart) { 1599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int overlap = mGapStart - where; 1609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.arraycopy(mText, where, 1629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mText, mGapStart + mGapLength - overlap, overlap); 1639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else /* where > mGapStart */ { 1649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int overlap = where - mGapStart; 1659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.arraycopy(mText, where + mGapLength - overlap, 1679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mText, mGapStart, overlap); 1689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // XXX be more clever 1719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < mSpanCount; i++) { 1729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int start = mSpanStarts[i]; 1739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int end = mSpanEnds[i]; 1749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (start > mGapStart) 1769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project start -= mGapLength; 1779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (start > where) 1789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project start += mGapLength; 1799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project else if (start == where) { 1809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int flag = (mSpanFlags[i] & START_MASK) >> START_SHIFT; 1819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (flag == POINT || (atend && flag == PARAGRAPH)) 1839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project start += mGapLength; 1849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (end > mGapStart) 1879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project end -= mGapLength; 1889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (end > where) 1899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project end += mGapLength; 1909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project else if (end == where) { 1919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int flag = (mSpanFlags[i] & END_MASK); 1929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (flag == POINT || (atend && flag == PARAGRAPH)) 1949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project end += mGapLength; 1959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSpanStarts[i] = start; 1989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSpanEnds[i] = end; 1999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGapStart = where; 2029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Documentation from interface 2059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public SpannableStringBuilder insert(int where, CharSequence tb, int start, int end) { 2069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return replace(where, where, tb, start, end); 2079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Documentation from interface 2109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public SpannableStringBuilder insert(int where, CharSequence tb) { 2119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return replace(where, where, tb, 0, tb.length()); 2129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Documentation from interface 2159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public SpannableStringBuilder delete(int start, int end) { 2169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SpannableStringBuilder ret = replace(start, end, "", 0, 0); 2179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mGapLength > 2 * length()) 2199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project resizeFor(length()); 2209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return ret; // == this 2229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Documentation from interface 2259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void clear() { 2269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project replace(0, length(), "", 0, 0); 2279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Documentation from interface 2309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void clearSpans() { 2319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = mSpanCount - 1; i >= 0; i--) { 2329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Object what = mSpans[i]; 2339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int ostart = mSpanStarts[i]; 2349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int oend = mSpanEnds[i]; 2359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (ostart > mGapStart) 2379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ostart -= mGapLength; 2389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (oend > mGapStart) 2399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project oend -= mGapLength; 2409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSpanCount = i; 2429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSpans[i] = null; 2439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sendSpanRemoved(what, ostart, oend); 2459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Documentation from interface 2499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public SpannableStringBuilder append(CharSequence text) { 2509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int length = length(); 2519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return replace(length, length, text, 0, text.length()); 2529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Documentation from interface 2559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public SpannableStringBuilder append(CharSequence text, int start, int end) { 2569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int length = length(); 2579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return replace(length, length, text, start, end); 2589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Documentation from interface 2619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public SpannableStringBuilder append(char text) { 2629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return append(String.valueOf(text)); 2639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2656435a56a8c02de98befcc8cd743b2b638cffb327Gilles Debunne private int change(int start, int end, CharSequence tb, int tbstart, int tbend) { 2669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return change(true, start, end, tb, tbstart, tbend); 2679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int change(boolean notify, int start, int end, 2709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project CharSequence tb, int tbstart, int tbend) { 2719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project checkRange("replace", start, end); 2729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int ret = tbend - tbstart; 2739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project TextWatcher[] recipients = null; 2749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2756435a56a8c02de98befcc8cd743b2b638cffb327Gilles Debunne if (notify) { 27675beb336f4b164c3bed5d4b91f0b9c6ea49a3437Gilles Debunne recipients = sendTextWillChange(start, end - start, tbend - tbstart); 2776435a56a8c02de98befcc8cd743b2b638cffb327Gilles Debunne } 2789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = mSpanCount - 1; i >= 0; i--) { 2809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mSpanFlags[i] & SPAN_PARAGRAPH) == SPAN_PARAGRAPH) { 2819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int st = mSpanStarts[i]; 2829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (st > mGapStart) 2839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project st -= mGapLength; 2849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int en = mSpanEnds[i]; 2869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (en > mGapStart) 2879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project en -= mGapLength; 2889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int ost = st; 2909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int oen = en; 2919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int clen = length(); 2929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (st > start && st <= end) { 2949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (st = end; st < clen; st++) 2959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (st > end && charAt(st - 1) == '\n') 2969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 2979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (en > start && en <= end) { 3009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (en = end; en < clen; en++) 3019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (en > end && charAt(en - 1) == '\n') 3029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 3039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (st != ost || en != oen) 3069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setSpan(mSpans[i], st, en, mSpanFlags[i]); 3079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project moveGapTo(end); 3119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 312312cd580391d70140eeb4080a4e195039172a6a6Gilles Debunne // Can be negative 313312cd580391d70140eeb4080a4e195039172a6a6Gilles Debunne final int nbNewChars = (tbend - tbstart) - (end - start); 3149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 315312cd580391d70140eeb4080a4e195039172a6a6Gilles Debunne if (nbNewChars >= mGapLength) { 316312cd580391d70140eeb4080a4e195039172a6a6Gilles Debunne resizeFor(mText.length + nbNewChars - mGapLength); 317312cd580391d70140eeb4080a4e195039172a6a6Gilles Debunne } 318312cd580391d70140eeb4080a4e195039172a6a6Gilles Debunne 319312cd580391d70140eeb4080a4e195039172a6a6Gilles Debunne mGapStart += nbNewChars; 320312cd580391d70140eeb4080a4e195039172a6a6Gilles Debunne mGapLength -= nbNewChars; 3219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mGapLength < 1) 3239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project new Exception("mGapLength < 1").printStackTrace(); 3249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project TextUtils.getChars(tb, tbstart, tbend, mText, start); 3269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (tb instanceof Spanned) { 3289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Spanned sp = (Spanned) tb; 3299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Object[] spans = sp.getSpans(tbstart, tbend, Object.class); 3309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < spans.length; i++) { 3329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int st = sp.getSpanStart(spans[i]); 3339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int en = sp.getSpanEnd(spans[i]); 3349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (st < tbstart) 3369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project st = tbstart; 3379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (en > tbend) 3389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project en = tbend; 3399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (getSpanStart(spans[i]) < 0) { 3419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setSpan(false, spans[i], 3429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project st - tbstart + start, 3439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project en - tbstart + start, 3449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sp.getSpanFlags(spans[i])); 3459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // no need for span fixup on pure insertion 3509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (tbend > tbstart && end - start == 0) { 3519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (notify) { 3529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sendTextChange(recipients, start, end - start, tbend - tbstart); 3539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sendTextHasChanged(recipients); 3549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return ret; 3579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean atend = (mGapStart + mGapLength == mText.length); 3609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = mSpanCount - 1; i >= 0; i--) { 3629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mSpanStarts[i] >= start && 3639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSpanStarts[i] < mGapStart + mGapLength) { 3649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int flag = (mSpanFlags[i] & START_MASK) >> START_SHIFT; 3659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (flag == POINT || (flag == PARAGRAPH && atend)) 3679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSpanStarts[i] = mGapStart + mGapLength; 3689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project else 3699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSpanStarts[i] = start; 3709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mSpanEnds[i] >= start && 3739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSpanEnds[i] < mGapStart + mGapLength) { 3749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int flag = (mSpanFlags[i] & END_MASK); 3759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (flag == POINT || (flag == PARAGRAPH && atend)) 3779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSpanEnds[i] = mGapStart + mGapLength; 3789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project else 3799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSpanEnds[i] = start; 3809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // remove 0-length SPAN_EXCLUSIVE_EXCLUSIVE 3839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mSpanEnds[i] < mSpanStarts[i]) { 38475beb336f4b164c3bed5d4b91f0b9c6ea49a3437Gilles Debunne removeSpan(i); 3859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (notify) { 3899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sendTextChange(recipients, start, end - start, tbend - tbstart); 3909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sendTextHasChanged(recipients); 3919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return ret; 3949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 39675beb336f4b164c3bed5d4b91f0b9c6ea49a3437Gilles Debunne private void removeSpan(int i) { 3976435a56a8c02de98befcc8cd743b2b638cffb327Gilles Debunne Object object = mSpans[i]; 3986435a56a8c02de98befcc8cd743b2b638cffb327Gilles Debunne 3996435a56a8c02de98befcc8cd743b2b638cffb327Gilles Debunne int start = mSpanStarts[i]; 4006435a56a8c02de98befcc8cd743b2b638cffb327Gilles Debunne int end = mSpanEnds[i]; 4016435a56a8c02de98befcc8cd743b2b638cffb327Gilles Debunne 4026435a56a8c02de98befcc8cd743b2b638cffb327Gilles Debunne if (start > mGapStart) start -= mGapLength; 4036435a56a8c02de98befcc8cd743b2b638cffb327Gilles Debunne if (end > mGapStart) end -= mGapLength; 4046435a56a8c02de98befcc8cd743b2b638cffb327Gilles Debunne 4056435a56a8c02de98befcc8cd743b2b638cffb327Gilles Debunne int count = mSpanCount - (i + 1); 4066435a56a8c02de98befcc8cd743b2b638cffb327Gilles Debunne System.arraycopy(mSpans, i + 1, mSpans, i, count); 4076435a56a8c02de98befcc8cd743b2b638cffb327Gilles Debunne System.arraycopy(mSpanStarts, i + 1, mSpanStarts, i, count); 4086435a56a8c02de98befcc8cd743b2b638cffb327Gilles Debunne System.arraycopy(mSpanEnds, i + 1, mSpanEnds, i, count); 4096435a56a8c02de98befcc8cd743b2b638cffb327Gilles Debunne System.arraycopy(mSpanFlags, i + 1, mSpanFlags, i, count); 41075beb336f4b164c3bed5d4b91f0b9c6ea49a3437Gilles Debunne 41175beb336f4b164c3bed5d4b91f0b9c6ea49a3437Gilles Debunne mSpanCount--; 4126435a56a8c02de98befcc8cd743b2b638cffb327Gilles Debunne 4136435a56a8c02de98befcc8cd743b2b638cffb327Gilles Debunne mSpans[mSpanCount] = null; 4146435a56a8c02de98befcc8cd743b2b638cffb327Gilles Debunne 4156435a56a8c02de98befcc8cd743b2b638cffb327Gilles Debunne sendSpanRemoved(object, start, end); 41675beb336f4b164c3bed5d4b91f0b9c6ea49a3437Gilles Debunne } 41775beb336f4b164c3bed5d4b91f0b9c6ea49a3437Gilles Debunne 4189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Documentation from interface 4199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public SpannableStringBuilder replace(int start, int end, CharSequence tb) { 4209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return replace(start, end, tb, 0, tb.length()); 4219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Documentation from interface 4249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public SpannableStringBuilder replace(final int start, final int end, 4259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project CharSequence tb, int tbstart, int tbend) { 4269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int filtercount = mFilters.length; 4279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < filtercount; i++) { 4289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project CharSequence repl = mFilters[i].filter(tb, tbstart, tbend, 4299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project this, start, end); 4309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (repl != null) { 4329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project tb = repl; 4339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project tbstart = 0; 4349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project tbend = repl.length(); 4359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (end == start && tbstart == tbend) { 4399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return this; 4409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (end == start || tbstart == tbend) { 4439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project change(start, end, tb, tbstart, tbend); 4449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 4459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int selstart = Selection.getSelectionStart(this); 4469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int selend = Selection.getSelectionEnd(this); 4479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // XXX just make the span fixups in change() do the right thing 4499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // instead of this madness! 4509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project checkRange("replace", start, end); 4529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project moveGapTo(end); 4539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project TextWatcher[] recipients; 4549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int origlen = end - start; 4569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4576435a56a8c02de98befcc8cd743b2b638cffb327Gilles Debunne recipients = sendTextWillChange(start, origlen, tbend - tbstart); 4586435a56a8c02de98befcc8cd743b2b638cffb327Gilles Debunne 4599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mGapLength < 2) 4609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project resizeFor(length() + 1); 4619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = mSpanCount - 1; i >= 0; i--) { 4639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mSpanStarts[i] == mGapStart) 4649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSpanStarts[i]++; 4659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mSpanEnds[i] == mGapStart) 4679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSpanEnds[i]++; 4689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mText[mGapStart] = ' '; 4719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGapStart++; 4729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGapLength--; 4739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 47475beb336f4b164c3bed5d4b91f0b9c6ea49a3437Gilles Debunne if (mGapLength < 1) { 4759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project new Exception("mGapLength < 1").printStackTrace(); 47675beb336f4b164c3bed5d4b91f0b9c6ea49a3437Gilles Debunne } 4779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 47875beb336f4b164c3bed5d4b91f0b9c6ea49a3437Gilles Debunne int inserted = change(false, start + 1, start + 1, tb, tbstart, tbend); 4799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project change(false, start, start + 1, "", 0, 0); 4806435a56a8c02de98befcc8cd743b2b638cffb327Gilles Debunne change(false, start + inserted, start + inserted + origlen, "", 0, 0); 4819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* 4839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Special case to keep the cursor in the same position 4849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * if it was somewhere in the middle of the replaced region. 4859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * If it was at the start or the end or crossing the whole 4869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * replacement, it should already be where it belongs. 4879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * TODO: Is there some more general mechanism that could 4889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * accomplish this? 4899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (selstart > start && selstart < end) { 4919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project long off = selstart - start; 4929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project off = off * inserted / (end - start); 4949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project selstart = (int) off + start; 4959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setSpan(false, Selection.SELECTION_START, selstart, selstart, 4979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Spanned.SPAN_POINT_POINT); 4989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (selend > start && selend < end) { 5009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project long off = selend - start; 5019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project off = off * inserted / (end - start); 5039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project selend = (int) off + start; 5049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5056435a56a8c02de98befcc8cd743b2b638cffb327Gilles Debunne setSpan(false, Selection.SELECTION_END, selend, selend, Spanned.SPAN_POINT_POINT); 5069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sendTextChange(recipients, start, origlen, inserted); 5089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sendTextHasChanged(recipients); 5099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5106435a56a8c02de98befcc8cd743b2b638cffb327Gilles Debunne 5119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return this; 5129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Mark the specified range of text with the specified object. 5169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The flags determine how the span will behave when text is 5179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * inserted at the start or end of the span's range. 5189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setSpan(Object what, int start, int end, int flags) { 5209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setSpan(true, what, start, end, flags); 5219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5236435a56a8c02de98befcc8cd743b2b638cffb327Gilles Debunne private void setSpan(boolean send, Object what, int start, int end, int flags) { 5249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int nstart = start; 5259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int nend = end; 5269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project checkRange("setSpan", start, end); 5289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((flags & START_MASK) == (PARAGRAPH << START_SHIFT)) { 5309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (start != 0 && start != length()) { 5319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char c = charAt(start - 1); 5329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (c != '\n') 5346435a56a8c02de98befcc8cd743b2b638cffb327Gilles Debunne throw new RuntimeException("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') 5436435a56a8c02de98befcc8cd743b2b638cffb327Gilles Debunne throw new RuntimeException("PARAGRAPH span must end at paragraph boundary"); 5449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5476435a56a8c02de98befcc8cd743b2b638cffb327Gilles Debunne if (start > mGapStart) { 5489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project start += mGapLength; 5496435a56a8c02de98befcc8cd743b2b638cffb327Gilles Debunne } else if (start == mGapStart) { 5509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int flag = (flags & START_MASK) >> START_SHIFT; 5519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (flag == POINT || (flag == PARAGRAPH && start == length())) 5539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project start += mGapLength; 5549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5566435a56a8c02de98befcc8cd743b2b638cffb327Gilles Debunne if (end > mGapStart) { 5579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project end += mGapLength; 5586435a56a8c02de98befcc8cd743b2b638cffb327Gilles Debunne } else if (end == mGapStart) { 5599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int flag = (flags & END_MASK); 5609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (flag == POINT || (flag == PARAGRAPH && end == length())) 5629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project end += mGapLength; 5639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int count = mSpanCount; 5669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Object[] spans = mSpans; 5679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < count; i++) { 5699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (spans[i] == what) { 5709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int ostart = mSpanStarts[i]; 5719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int oend = mSpanEnds[i]; 5729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (ostart > mGapStart) 5749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ostart -= mGapLength; 5759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (oend > mGapStart) 5769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project oend -= mGapLength; 5779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSpanStarts[i] = start; 5799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSpanEnds[i] = end; 5809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSpanFlags[i] = flags; 5819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (send) 5839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sendSpanChanged(what, ostart, oend, nstart, nend); 5849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 5869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mSpanCount + 1 >= mSpans.length) { 5909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int newsize = ArrayUtils.idealIntArraySize(mSpanCount + 1); 5919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Object[] newspans = new Object[newsize]; 5929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int[] newspanstarts = new int[newsize]; 5939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int[] newspanends = new int[newsize]; 5949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int[] newspanflags = new int[newsize]; 5959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.arraycopy(mSpans, 0, newspans, 0, mSpanCount); 5979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.arraycopy(mSpanStarts, 0, newspanstarts, 0, mSpanCount); 5989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.arraycopy(mSpanEnds, 0, newspanends, 0, mSpanCount); 5999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.arraycopy(mSpanFlags, 0, newspanflags, 0, mSpanCount); 6009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSpans = newspans; 6029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSpanStarts = newspanstarts; 6039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSpanEnds = newspanends; 6049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSpanFlags = newspanflags; 6059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSpans[mSpanCount] = what; 6089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSpanStarts[mSpanCount] = start; 6099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSpanEnds[mSpanCount] = end; 6109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSpanFlags[mSpanCount] = flags; 6119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSpanCount++; 6129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (send) 6149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sendSpanAdded(what, nstart, nend); 6159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 6189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Remove the specified markup object from the buffer. 6199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void removeSpan(Object what) { 6219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = mSpanCount - 1; i >= 0; i--) { 6229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mSpans[i] == what) { 6236435a56a8c02de98befcc8cd743b2b638cffb327Gilles Debunne removeSpan(i); 6249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 6259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 6309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Return the buffer offset of the beginning of the specified 6319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * markup object, or -1 if it is not attached to this buffer. 6329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getSpanStart(Object what) { 6349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int count = mSpanCount; 6359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Object[] spans = mSpans; 6369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = count - 1; i >= 0; i--) { 6389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (spans[i] == what) { 6399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int where = mSpanStarts[i]; 6409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (where > mGapStart) 6429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project where -= mGapLength; 6439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return where; 6459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 6499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 6529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Return the buffer offset of the end of the specified 6539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * markup object, or -1 if it is not attached to this buffer. 6549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getSpanEnd(Object what) { 6569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int count = mSpanCount; 6579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Object[] spans = mSpans; 6589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = count - 1; i >= 0; i--) { 6609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (spans[i] == what) { 6619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int where = mSpanEnds[i]; 6629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (where > mGapStart) 6649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project where -= mGapLength; 6659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return where; 6679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 6719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 6749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Return the flags of the end of the specified 6759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * markup object, or 0 if it is not attached to this buffer. 6769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getSpanFlags(Object what) { 6789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int count = mSpanCount; 6799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Object[] spans = mSpans; 6809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = count - 1; i >= 0; i--) { 6829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (spans[i] == what) { 6839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mSpanFlags[i]; 6849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return 0; 6889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 6919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Return an array of the spans of the specified type that overlap 6929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the specified range of the buffer. The kind may be Object.class to get 6939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * a list of all the spans regardless of type. 6949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 695312cd580391d70140eeb4080a4e195039172a6a6Gilles Debunne @SuppressWarnings("unchecked") 6969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public <T> T[] getSpans(int queryStart, int queryEnd, Class<T> kind) { 6976435a56a8c02de98befcc8cd743b2b638cffb327Gilles Debunne if (kind == null) return ArrayUtils.emptyArray(kind); 6986435a56a8c02de98befcc8cd743b2b638cffb327Gilles Debunne 6999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int spanCount = mSpanCount; 7009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Object[] spans = mSpans; 7019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int[] starts = mSpanStarts; 7029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int[] ends = mSpanEnds; 7039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int[] flags = mSpanFlags; 7049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int gapstart = mGapStart; 7059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int gaplen = mGapLength; 7069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int count = 0; 708312cd580391d70140eeb4080a4e195039172a6a6Gilles Debunne T[] ret = null; 709312cd580391d70140eeb4080a4e195039172a6a6Gilles Debunne T ret1 = null; 7109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < spanCount; i++) { 7129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int spanStart = starts[i]; 7139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (spanStart > gapstart) { 7149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project spanStart -= gaplen; 7159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (spanStart > queryEnd) { 7179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project continue; 7189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 719b062e81e3a16af43db3619d721aa522c137d1aa9Gilles Debunne 720b062e81e3a16af43db3619d721aa522c137d1aa9Gilles Debunne int spanEnd = ends[i]; 721b062e81e3a16af43db3619d721aa522c137d1aa9Gilles Debunne if (spanEnd > gapstart) { 722b062e81e3a16af43db3619d721aa522c137d1aa9Gilles Debunne spanEnd -= gaplen; 723b062e81e3a16af43db3619d721aa522c137d1aa9Gilles Debunne } 7249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (spanEnd < queryStart) { 7259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project continue; 7269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (spanStart != spanEnd && queryStart != queryEnd) { 7299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (spanStart == queryEnd) 7309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project continue; 7319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (spanEnd == queryStart) 7329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project continue; 7339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 735945ee9b1661e60e0074d4f16f61fc147c728c6bfGilles Debunne // Expensive test, should be performed after the previous tests 736945ee9b1661e60e0074d4f16f61fc147c728c6bfGilles Debunne if (!kind.isInstance(spans[i])) continue; 737945ee9b1661e60e0074d4f16f61fc147c728c6bfGilles Debunne 7389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (count == 0) { 739312cd580391d70140eeb4080a4e195039172a6a6Gilles Debunne // Safe conversion thanks to the isInstance test above 740312cd580391d70140eeb4080a4e195039172a6a6Gilles Debunne ret1 = (T) spans[i]; 7419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project count++; 7429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 7439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (count == 1) { 744312cd580391d70140eeb4080a4e195039172a6a6Gilles Debunne // Safe conversion, but requires a suppressWarning 745312cd580391d70140eeb4080a4e195039172a6a6Gilles Debunne ret = (T[]) Array.newInstance(kind, spanCount - i + 1); 7469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ret[0] = ret1; 7479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int prio = flags[i] & SPAN_PRIORITY; 7509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (prio != 0) { 7519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int j; 7529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (j = 0; j < count; j++) { 7549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int p = getSpanFlags(ret[j]) & SPAN_PRIORITY; 7559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (prio > p) { 7579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 7589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.arraycopy(ret, j, ret, j + 1, count - j); 762312cd580391d70140eeb4080a4e195039172a6a6Gilles Debunne // Safe conversion thanks to the isInstance test above 763312cd580391d70140eeb4080a4e195039172a6a6Gilles Debunne ret[j] = (T) spans[i]; 7649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project count++; 7659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 766312cd580391d70140eeb4080a4e195039172a6a6Gilles Debunne // Safe conversion thanks to the isInstance test above 767312cd580391d70140eeb4080a4e195039172a6a6Gilles Debunne ret[count++] = (T) spans[i]; 7689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (count == 0) { 773f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt return ArrayUtils.emptyArray(kind); 7749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (count == 1) { 776312cd580391d70140eeb4080a4e195039172a6a6Gilles Debunne // Safe conversion, but requires a suppressWarning 777312cd580391d70140eeb4080a4e195039172a6a6Gilles Debunne ret = (T[]) Array.newInstance(kind, 1); 7789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ret[0] = ret1; 779312cd580391d70140eeb4080a4e195039172a6a6Gilles Debunne return ret; 7809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (count == ret.length) { 782312cd580391d70140eeb4080a4e195039172a6a6Gilles Debunne return ret; 7839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 785312cd580391d70140eeb4080a4e195039172a6a6Gilles Debunne // Safe conversion, but requires a suppressWarning 786312cd580391d70140eeb4080a4e195039172a6a6Gilles Debunne T[] nret = (T[]) Array.newInstance(kind, count); 7879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.arraycopy(ret, 0, nret, 0, count); 788312cd580391d70140eeb4080a4e195039172a6a6Gilles Debunne return nret; 7899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 7929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Return the next offset after <code>start</code> but less than or 7939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * equal to <code>limit</code> where a span of the specified type 7949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * begins or ends. 7959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int nextSpanTransition(int start, int limit, Class kind) { 7979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int count = mSpanCount; 7989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Object[] spans = mSpans; 7999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int[] starts = mSpanStarts; 8009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int[] ends = mSpanEnds; 8019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int gapstart = mGapStart; 8029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int gaplen = mGapLength; 8039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (kind == null) { 8059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project kind = Object.class; 8069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < count; i++) { 8099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int st = starts[i]; 8109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int en = ends[i]; 8119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (st > gapstart) 8139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project st -= gaplen; 8149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (en > gapstart) 8159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project en -= gaplen; 8169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (st > start && st < limit && kind.isInstance(spans[i])) 8189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project limit = st; 8199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (en > start && en < limit && kind.isInstance(spans[i])) 8209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project limit = en; 8219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return limit; 8249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 8279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Return a new CharSequence containing a copy of the specified 8289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * range of this buffer, including the overlapping spans. 8299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public CharSequence subSequence(int start, int end) { 8319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return new SpannableStringBuilder(this, start, end); 8329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 8359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Copy the specified range of chars from this buffer into the 8369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * specified array, beginning at the specified offset. 8379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void getChars(int start, int end, char[] dest, int destoff) { 8399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project checkRange("getChars", start, end); 8409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (end <= mGapStart) { 8429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.arraycopy(mText, start, dest, destoff, end - start); 8439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (start >= mGapStart) { 8449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.arraycopy(mText, start + mGapLength, 8459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dest, destoff, end - start); 8469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 8479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.arraycopy(mText, start, dest, destoff, mGapStart - start); 8489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.arraycopy(mText, mGapStart + mGapLength, 8499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dest, destoff + (mGapStart - start), 8509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project end - mGapStart); 8519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 8559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Return a String containing a copy of the chars in this buffer. 8569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 857312cd580391d70140eeb4080a4e195039172a6a6Gilles Debunne @Override 8589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public String toString() { 8599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int len = length(); 8609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char[] buf = new char[len]; 8619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project getChars(0, len, buf, 0); 8639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return new String(buf); 8649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private TextWatcher[] sendTextWillChange(int start, int before, int after) { 8679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project TextWatcher[] recip = getSpans(start, start + before, TextWatcher.class); 8689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int n = recip.length; 8699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < n; i++) { 8719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project recip[i].beforeTextChanged(this, start, before, after); 8729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return recip; 8759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8776435a56a8c02de98befcc8cd743b2b638cffb327Gilles Debunne private void sendTextChange(TextWatcher[] recip, int start, int before, int after) { 8789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int n = recip.length; 8799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < n; i++) { 8819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project recip[i].onTextChanged(this, start, before, after); 8829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void sendTextHasChanged(TextWatcher[] recip) { 8869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int n = recip.length; 8879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < n; i++) { 8899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project recip[i].afterTextChanged(this); 8909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void sendSpanAdded(Object what, int start, int end) { 8949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SpanWatcher[] recip = getSpans(start, end, SpanWatcher.class); 8959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int n = recip.length; 8969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < n; i++) { 8989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project recip[i].onSpanAdded(this, what, start, end); 8999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void sendSpanRemoved(Object what, int start, int end) { 9039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SpanWatcher[] recip = getSpans(start, end, SpanWatcher.class); 9049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int n = recip.length; 9059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < n; i++) { 9079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project recip[i].onSpanRemoved(this, what, start, end); 9089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void sendSpanChanged(Object what, int s, int e, int st, int en) { 9126435a56a8c02de98befcc8cd743b2b638cffb327Gilles Debunne SpanWatcher[] recip = getSpans(Math.min(s, st), Math.max(e, en), SpanWatcher.class); 9139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int n = recip.length; 9149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < n; i++) { 9169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project recip[i].onSpanChanged(this, what, s, e, st, en); 9179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static String region(int start, int end) { 9219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return "(" + start + " ... " + end + ")"; 9229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void checkRange(final String operation, int start, int end) { 9259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (end < start) { 9269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IndexOutOfBoundsException(operation + " " + 9279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project region(start, end) + 9289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project " has end before start"); 9299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int len = length(); 9329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (start > len || end > len) { 9349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IndexOutOfBoundsException(operation + " " + 9359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project region(start, end) + 9369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project " ends beyond length " + len); 9379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (start < 0 || end < 0) { 9409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IndexOutOfBoundsException(operation + " " + 9419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project region(start, end) + 9429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project " starts before 0"); 9439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 946312cd580391d70140eeb4080a4e195039172a6a6Gilles Debunne/* 9479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private boolean isprint(char c) { // XXX 9489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (c >= ' ' && c <= '~') 9499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 9509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project else 9519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 9529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int startFlag(int flag) { 9559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return (flag >> 4) & 0x0F; 9569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int endFlag(int flag) { 9599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return flag & 0x0F; 9609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void dump() { // XXX 9639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < mGapStart; i++) { 9649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.out.print('|'); 9659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.out.print(' '); 9669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.out.print(isprint(mText[i]) ? mText[i] : '.'); 9679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.out.print(' '); 9689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = mGapStart; i < mGapStart + mGapLength; i++) { 9719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.out.print('|'); 9729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.out.print('('); 9739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.out.print(isprint(mText[i]) ? mText[i] : '.'); 9749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.out.print(')'); 9759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = mGapStart + mGapLength; i < mText.length; i++) { 9789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.out.print('|'); 9799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.out.print(' '); 9809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.out.print(isprint(mText[i]) ? mText[i] : '.'); 9819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.out.print(' '); 9829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.out.print('\n'); 9859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < mText.length + 1; i++) { 9879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int found = 0; 9889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int wfound = 0; 9899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int j = 0; j < mSpanCount; j++) { 9919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mSpanStarts[j] == i) { 9929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project found = 1; 9939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project wfound = j; 9949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 9959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mSpanEnds[j] == i) { 9989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project found = 2; 9999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project wfound = j; 10009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 10019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (found == 1) { 10059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (startFlag(mSpanFlags[wfound]) == MARK) 10069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.out.print("( "); 10079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (startFlag(mSpanFlags[wfound]) == PARAGRAPH) 10089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.out.print("< "); 10099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project else 10109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.out.print("[ "); 10119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (found == 2) { 10129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (endFlag(mSpanFlags[wfound]) == POINT) 10139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.out.print(") "); 10149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (endFlag(mSpanFlags[wfound]) == PARAGRAPH) 10159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.out.print("> "); 10169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project else 10179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.out.print("] "); 10189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 10199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.out.print(" "); 10209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.out.print("\n"); 10249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project*/ 10269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 10289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Don't call this yourself -- exists for Canvas to use internally. 10299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@hide} 10309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 10319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void drawText(Canvas c, int start, int end, 10329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float x, float y, Paint p) { 10339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project checkRange("drawText", start, end); 10349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (end <= mGapStart) { 10369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project c.drawText(mText, start, end - start, x, y, p); 10379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (start >= mGapStart) { 10389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project c.drawText(mText, start + mGapLength, end - start, x, y, p); 10399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 10409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char[] buf = TextUtils.obtain(end - start); 10419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project getChars(start, end, buf, 0); 10439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project c.drawText(buf, 0, end - start, x, y, p); 10449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project TextUtils.recycle(buf); 10459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10480c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt 10499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1050f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt * Don't call this yourself -- exists for Canvas to use internally. 1051f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt * {@hide} 1052f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt */ 1053f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt public void drawTextRun(Canvas c, int start, int end, 10540c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt int contextStart, int contextEnd, 10550c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt float x, float y, int flags, Paint p) { 1056f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt checkRange("drawTextRun", start, end); 1057f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt 10580c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt int contextLen = contextEnd - contextStart; 10590c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt int len = end - start; 10600c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt if (contextEnd <= mGapStart) { 10610c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt c.drawTextRun(mText, start, len, contextStart, contextLen, x, y, flags, p); 10620c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt } else if (contextStart >= mGapStart) { 10630c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt c.drawTextRun(mText, start + mGapLength, len, contextStart + mGapLength, 10640c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt contextLen, x, y, flags, p); 1065f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt } else { 10660c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt char[] buf = TextUtils.obtain(contextLen); 10670c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt getChars(contextStart, contextEnd, buf, 0); 10680c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt c.drawTextRun(buf, start - contextStart, len, 0, contextLen, x, y, flags, p); 1069f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt TextUtils.recycle(buf); 1070f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt } 1071f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt } 1072f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt 1073f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt /** 10749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Don't call this yourself -- exists for Paint to use internally. 10759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@hide} 10769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 10779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public float measureText(int start, int end, Paint p) { 10789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project checkRange("measureText", start, end); 10799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float ret; 10819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (end <= mGapStart) { 10839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ret = p.measureText(mText, start, end - start); 10849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (start >= mGapStart) { 10859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ret = p.measureText(mText, start + mGapLength, end - start); 10869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 10879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char[] buf = TextUtils.obtain(end - start); 10889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project getChars(start, end, buf, 0); 10909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ret = p.measureText(buf, 0, end - start); 10919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project TextUtils.recycle(buf); 10929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return ret; 10959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 10989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Don't call this yourself -- exists for Paint to use internally. 10999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@hide} 11009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 11019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getTextWidths(int start, int end, float[] widths, Paint p) { 11029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project checkRange("getTextWidths", start, end); 11039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int ret; 11059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (end <= mGapStart) { 11079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ret = p.getTextWidths(mText, start, end - start, widths); 11089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (start >= mGapStart) { 11099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ret = p.getTextWidths(mText, start + mGapLength, end - start, 11109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project widths); 11119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 11129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char[] buf = TextUtils.obtain(end - start); 11139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project getChars(start, end, buf, 0); 11159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ret = p.getTextWidths(buf, 0, end - start, widths); 11169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project TextUtils.recycle(buf); 11179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return ret; 11209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11220c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt /** 11230c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt * Don't call this yourself -- exists for Paint to use internally. 11240c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt * {@hide} 11250c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt */ 11260c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt public float getTextRunAdvances(int start, int end, int contextStart, int contextEnd, int flags, 11270c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt float[] advances, int advancesPos, Paint p) { 11280c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt 11290c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt float ret; 11300c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt 11310c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt int contextLen = contextEnd - contextStart; 11320c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt int len = end - start; 11330c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt 11340c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt if (end <= mGapStart) { 11350c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt ret = p.getTextRunAdvances(mText, start, len, contextStart, contextLen, 11360c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt flags, advances, advancesPos); 11370c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt } else if (start >= mGapStart) { 11380c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt ret = p.getTextRunAdvances(mText, start + mGapLength, len, 11390c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt contextStart + mGapLength, contextLen, flags, advances, advancesPos); 11400c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt } else { 11410c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt char[] buf = TextUtils.obtain(contextLen); 11420c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt getChars(contextStart, contextEnd, buf, 0); 11430c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt ret = p.getTextRunAdvances(buf, start - contextStart, len, 11440c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt 0, contextLen, flags, advances, advancesPos); 11450c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt TextUtils.recycle(buf); 11460c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt } 11470c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt 11480c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt return ret; 11490c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt } 11500c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt 1151f09d510cd18854f41632433503ca46cc41362febGilles Debunne /** 1152eee49c699c035ffba188417489f40d34f587d65cFabrice Di Meglio * Don't call this yourself -- exists for Paint to use internally. 1153eee49c699c035ffba188417489f40d34f587d65cFabrice Di Meglio * {@hide} 1154eee49c699c035ffba188417489f40d34f587d65cFabrice Di Meglio */ 11550a1413e4bf9dcda2a8abb2287e43f612a7fb2453Fabrice Di Meglio public float getTextRunAdvances(int start, int end, int contextStart, int contextEnd, int flags, 11560a1413e4bf9dcda2a8abb2287e43f612a7fb2453Fabrice Di Meglio float[] advances, int advancesPos, Paint p, int reserved) { 1157eee49c699c035ffba188417489f40d34f587d65cFabrice Di Meglio 1158eee49c699c035ffba188417489f40d34f587d65cFabrice Di Meglio float ret; 1159eee49c699c035ffba188417489f40d34f587d65cFabrice Di Meglio 1160eee49c699c035ffba188417489f40d34f587d65cFabrice Di Meglio int contextLen = contextEnd - contextStart; 1161eee49c699c035ffba188417489f40d34f587d65cFabrice Di Meglio int len = end - start; 1162eee49c699c035ffba188417489f40d34f587d65cFabrice Di Meglio 1163eee49c699c035ffba188417489f40d34f587d65cFabrice Di Meglio if (end <= mGapStart) { 11640a1413e4bf9dcda2a8abb2287e43f612a7fb2453Fabrice Di Meglio ret = p.getTextRunAdvances(mText, start, len, contextStart, contextLen, 11650a1413e4bf9dcda2a8abb2287e43f612a7fb2453Fabrice Di Meglio flags, advances, advancesPos, reserved); 1166eee49c699c035ffba188417489f40d34f587d65cFabrice Di Meglio } else if (start >= mGapStart) { 11670a1413e4bf9dcda2a8abb2287e43f612a7fb2453Fabrice Di Meglio ret = p.getTextRunAdvances(mText, start + mGapLength, len, 11680a1413e4bf9dcda2a8abb2287e43f612a7fb2453Fabrice Di Meglio contextStart + mGapLength, contextLen, flags, advances, advancesPos, reserved); 1169eee49c699c035ffba188417489f40d34f587d65cFabrice Di Meglio } else { 1170eee49c699c035ffba188417489f40d34f587d65cFabrice Di Meglio char[] buf = TextUtils.obtain(contextLen); 1171eee49c699c035ffba188417489f40d34f587d65cFabrice Di Meglio getChars(contextStart, contextEnd, buf, 0); 11720a1413e4bf9dcda2a8abb2287e43f612a7fb2453Fabrice Di Meglio ret = p.getTextRunAdvances(buf, start - contextStart, len, 11730a1413e4bf9dcda2a8abb2287e43f612a7fb2453Fabrice Di Meglio 0, contextLen, flags, advances, advancesPos, reserved); 1174eee49c699c035ffba188417489f40d34f587d65cFabrice Di Meglio TextUtils.recycle(buf); 1175eee49c699c035ffba188417489f40d34f587d65cFabrice Di Meglio } 1176eee49c699c035ffba188417489f40d34f587d65cFabrice Di Meglio 1177eee49c699c035ffba188417489f40d34f587d65cFabrice Di Meglio return ret; 1178eee49c699c035ffba188417489f40d34f587d65cFabrice Di Meglio } 1179eee49c699c035ffba188417489f40d34f587d65cFabrice Di Meglio 1180eee49c699c035ffba188417489f40d34f587d65cFabrice Di Meglio /** 1181f09d510cd18854f41632433503ca46cc41362febGilles Debunne * Returns the next cursor position in the run. This avoids placing the cursor between 1182f09d510cd18854f41632433503ca46cc41362febGilles Debunne * surrogates, between characters that form conjuncts, between base characters and combining 1183f09d510cd18854f41632433503ca46cc41362febGilles Debunne * marks, or within a reordering cluster. 1184f09d510cd18854f41632433503ca46cc41362febGilles Debunne * 1185f09d510cd18854f41632433503ca46cc41362febGilles Debunne * <p>The context is the shaping context for cursor movement, generally the bounds of the metric 1186f09d510cd18854f41632433503ca46cc41362febGilles Debunne * span enclosing the cursor in the direction of movement. 1187f09d510cd18854f41632433503ca46cc41362febGilles Debunne * <code>contextStart</code>, <code>contextEnd</code> and <code>offset</code> are relative to 1188f09d510cd18854f41632433503ca46cc41362febGilles Debunne * the start of the string.</p> 1189f09d510cd18854f41632433503ca46cc41362febGilles Debunne * 1190616f3835a0a67328b378cb1cbc126f17478ab4a0Gilles Debunne * <p>If cursorOpt is CURSOR_AT and the offset is not a valid cursor position, 1191f09d510cd18854f41632433503ca46cc41362febGilles Debunne * this returns -1. Otherwise this will never return a value before contextStart or after 1192f09d510cd18854f41632433503ca46cc41362febGilles Debunne * contextEnd.</p> 1193f09d510cd18854f41632433503ca46cc41362febGilles Debunne * 1194f09d510cd18854f41632433503ca46cc41362febGilles Debunne * @param contextStart the start index of the context 1195f09d510cd18854f41632433503ca46cc41362febGilles Debunne * @param contextEnd the (non-inclusive) end index of the context 1196616f3835a0a67328b378cb1cbc126f17478ab4a0Gilles Debunne * @param flags either DIRECTION_RTL or DIRECTION_LTR 1197f09d510cd18854f41632433503ca46cc41362febGilles Debunne * @param offset the cursor position to move from 1198616f3835a0a67328b378cb1cbc126f17478ab4a0Gilles Debunne * @param cursorOpt how to move the cursor, one of CURSOR_AFTER, 1199616f3835a0a67328b378cb1cbc126f17478ab4a0Gilles Debunne * CURSOR_AT_OR_AFTER, CURSOR_BEFORE, 1200616f3835a0a67328b378cb1cbc126f17478ab4a0Gilles Debunne * CURSOR_AT_OR_BEFORE, or CURSOR_AT 1201f09d510cd18854f41632433503ca46cc41362febGilles Debunne * @param p the Paint object that is requesting this information 1202f09d510cd18854f41632433503ca46cc41362febGilles Debunne * @return the offset of the next position, or -1 1203b0b225602cc84e0602450a417a562e8f53f29c6bGilles Debunne * @deprecated This is an internal method, refrain from using it in your code 1204f09d510cd18854f41632433503ca46cc41362febGilles Debunne */ 1205b0b225602cc84e0602450a417a562e8f53f29c6bGilles Debunne @Deprecated 12060c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt public int getTextRunCursor(int contextStart, int contextEnd, int flags, int offset, 12070c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt int cursorOpt, Paint p) { 12080c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt 12090c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt int ret; 12100c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt 12110c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt int contextLen = contextEnd - contextStart; 12120c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt if (contextEnd <= mGapStart) { 12130c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt ret = p.getTextRunCursor(mText, contextStart, contextLen, 12140c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt flags, offset, cursorOpt); 12150c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt } else if (contextStart >= mGapStart) { 12160c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt ret = p.getTextRunCursor(mText, contextStart + mGapLength, contextLen, 1217312cd580391d70140eeb4080a4e195039172a6a6Gilles Debunne flags, offset + mGapLength, cursorOpt) - mGapLength; 12180c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt } else { 12190c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt char[] buf = TextUtils.obtain(contextLen); 12200c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt getChars(contextStart, contextEnd, buf, 0); 12210c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt ret = p.getTextRunCursor(buf, 0, contextLen, 12220c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt flags, offset - contextStart, cursorOpt) + contextStart; 12230c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt TextUtils.recycle(buf); 12240c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt } 12250c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt 12260c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt return ret; 12270c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt } 12280c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt 12299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Documentation from interface 12309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setFilters(InputFilter[] filters) { 12319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (filters == null) { 12329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalArgumentException(); 12339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFilters = filters; 12369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Documentation from interface 12399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public InputFilter[] getFilters() { 12409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mFilters; 12419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final InputFilter[] NO_FILTERS = new InputFilter[0]; 12449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private InputFilter[] mFilters = NO_FILTERS; 12459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private char[] mText; 12479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mGapStart; 12489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mGapLength; 12499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private Object[] mSpans; 12519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int[] mSpanStarts; 12529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int[] mSpanEnds; 12539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int[] mSpanFlags; 12549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mSpanCount; 12559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int POINT = 2; 12579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int PARAGRAPH = 3; 12589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int START_MASK = 0xF0; 12609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int END_MASK = 0x0F; 12619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int START_SHIFT = 4; 12629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1263