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/**
21 * This is the class for text whose content is immutable but to which
22 * markup objects can be attached and detached.
23 * For mutable text, see {@link SpannableStringBuilder}.
24 */
25public class SpannableString
26extends SpannableStringInternal
27implements CharSequence, GetChars, Spannable
28{
29    public SpannableString(CharSequence source) {
30        super(source, 0, source.length());
31    }
32
33    private SpannableString(CharSequence source, int start, int end) {
34        super(source, start, end);
35    }
36
37    public static SpannableString valueOf(CharSequence source) {
38        if (source instanceof SpannableString) {
39            return (SpannableString) source;
40        } else {
41            return new SpannableString(source);
42        }
43    }
44
45    public void setSpan(Object what, int start, int end, int flags) {
46        super.setSpan(what, start, end, flags);
47    }
48
49    public void removeSpan(Object what) {
50        super.removeSpan(what);
51    }
52
53    public final CharSequence subSequence(int start, int end) {
54        return new SpannableString(this, start, end);
55    }
56}
57