1/*
2 * Copyright (C) 2006 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
17package android.text;
18
19/**
20 * When an object of this type is attached to a Spannable, its methods
21 * will be called to notify it that other markup objects have been
22 * added, changed, or removed.
23 */
24public interface SpanWatcher extends NoCopySpan {
25    /**
26     * This method is called to notify you that the specified object
27     * has been attached to the specified range of the text.
28     */
29    public void onSpanAdded(Spannable text, Object what, int start, int end);
30    /**
31     * This method is called to notify you that the specified object
32     * has been detached from the specified range of the text.
33     */
34    public void onSpanRemoved(Spannable text, Object what, int start, int end);
35    /**
36     * This method is called to notify you that the specified object
37     * has been relocated from the range <code>ostart&hellip;oend</code>
38     * to the new range <code>nstart&hellip;nend</code> of the text.
39     */
40    public void onSpanChanged(Spannable text, Object what, int ostart, int oend,
41                              int nstart, int nend);
42}
43