1 /* 2 * Copyright (C) 2008 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package android.view.inputmethod; 18 19 import android.os.Parcel; 20 import android.os.Parcelable; 21 import android.text.TextUtils; 22 23 /** 24 * Information about text that has been extracted for use by an input method. 25 */ 26 public class ExtractedText implements Parcelable { 27 /** 28 * The text that has been extracted. 29 */ 30 public CharSequence text; 31 32 /** 33 * The offset in the overall text at which the extracted text starts. 34 */ 35 public int startOffset; 36 37 /** 38 * If the content is a report of a partial text change, this is the 39 * offset where the change starts and it runs until 40 * {@link #partialEndOffset}. If the content is the full text, this 41 * field is -1. 42 */ 43 public int partialStartOffset; 44 45 /** 46 * If the content is a report of a partial text change, this is the offset 47 * where the change ends. Note that the actual text may be larger or 48 * smaller than the difference between this and {@link #partialEndOffset}, 49 * meaning a reduction or increase, respectively, in the total text. 50 */ 51 public int partialEndOffset; 52 53 /** 54 * The offset where the selection currently starts within the extracted 55 * text. The real selection start position is at 56 * <var>startOffset</var>+<var>selectionStart</var>. 57 */ 58 public int selectionStart; 59 60 /** 61 * The offset where the selection currently ends within the extracted 62 * text. The real selection end position is at 63 * <var>startOffset</var>+<var>selectionEnd</var>. 64 */ 65 public int selectionEnd; 66 67 /** 68 * Bit for {@link #flags}: set if the text being edited can only be on 69 * a single line. 70 */ 71 public static final int FLAG_SINGLE_LINE = 0x0001; 72 73 /** 74 * Bit for {@link #flags}: set if the editor is currently in selection mode. 75 */ 76 public static final int FLAG_SELECTING = 0x0002; 77 78 /** 79 * Additional bit flags of information about the edited text. 80 */ 81 public int flags; 82 83 /** 84 * Used to package this object into a {@link Parcel}. 85 * 86 * @param dest The {@link Parcel} to be written. 87 * @param flags The flags used for parceling. 88 */ 89 public void writeToParcel(Parcel dest, int flags) { 90 TextUtils.writeToParcel(text, dest, flags); 91 dest.writeInt(startOffset); 92 dest.writeInt(partialStartOffset); 93 dest.writeInt(partialEndOffset); 94 dest.writeInt(selectionStart); 95 dest.writeInt(selectionEnd); 96 dest.writeInt(this.flags); 97 } 98 99 /** 100 * Used to make this class parcelable. 101 */ 102 public static final Parcelable.Creator<ExtractedText> CREATOR = new Parcelable.Creator<ExtractedText>() { 103 public ExtractedText createFromParcel(Parcel source) { 104 ExtractedText res = new ExtractedText(); 105 res.text = TextUtils.CHAR_SEQUENCE_CREATOR.createFromParcel(source); 106 res.startOffset = source.readInt(); 107 res.partialStartOffset = source.readInt(); 108 res.partialEndOffset = source.readInt(); 109 res.selectionStart = source.readInt(); 110 res.selectionEnd = source.readInt(); 111 res.flags = source.readInt(); 112 return res; 113 } 114 115 public ExtractedText[] newArray(int size) { 116 return new ExtractedText[size]; 117 } 118 }; 119 120 public int describeContents() { 121 return 0; 122 } 123 } 124