1/*
2 * Copyright (C) 2011 Google Inc.  All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are
6 * met:
7 *
8 *     * Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 *     * Redistributions in binary form must reproduce the above
11 * copyright notice, this list of conditions and the following disclaimer
12 * in the documentation and/or other materials provided with the
13 * distribution.
14 *     * Neither the name of Google Inc. nor the names of its
15 * contributors may be used to endorse or promote products derived from
16 * this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31#ifndef VTTToken_h
32#define VTTToken_h
33
34namespace blink {
35
36class VTTTokenTypes {
37public:
38    enum Type {
39        Uninitialized,
40        Character,
41        StartTag,
42        EndTag,
43        TimestampTag,
44    };
45};
46
47class VTTToken {
48public:
49    typedef VTTTokenTypes Type;
50
51    VTTToken() : m_type(Type::Uninitialized) { }
52
53    static VTTToken StringToken(const String& characterData)
54    {
55        return VTTToken(Type::Character, characterData);
56    }
57    static VTTToken StartTag(const String& tagName, const AtomicString& classes = emptyAtom, const AtomicString& annotation = emptyAtom)
58    {
59        VTTToken token(Type::StartTag, tagName);
60        token.m_classes = classes;
61        token.m_annotation = annotation;
62        return token;
63    }
64    static VTTToken EndTag(const String& tagName)
65    {
66        return VTTToken(Type::EndTag, tagName);
67    }
68    static VTTToken TimestampTag(const String& timestampData)
69    {
70        return VTTToken(Type::TimestampTag, timestampData);
71    }
72
73    Type::Type type() const { return m_type; }
74    const String& name() const { return m_data; }
75    const String& characters() const { return m_data; }
76    const AtomicString& classes() const { return m_classes; }
77    const AtomicString& annotation() const { return m_annotation; }
78
79private:
80    VTTToken(Type::Type type, const String& data)
81        : m_type(type)
82        , m_data(data) { }
83
84    Type::Type m_type;
85    String m_data;
86    AtomicString m_annotation;
87    AtomicString m_classes;
88};
89
90}
91
92#endif
93