1/*
2 * Copyright (C) 2014 Apple 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
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 *    notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 *    notice, this list of conditions and the following disclaimer in the
11 *    documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
23 * THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#ifndef BlobPart_h
27#define BlobPart_h
28
29#include "URL.h"
30
31namespace WebCore {
32
33class BlobPart {
34public:
35    enum Type {
36        Data,
37        Blob
38    };
39
40    BlobPart()
41        : m_type(Data)
42    {
43    }
44
45    BlobPart(Vector<char> data)
46        : m_type(Data)
47        , m_data(WTF::move(data))
48    {
49    }
50
51    BlobPart(const URL& url)
52        : m_type(Blob)
53        , m_url(url)
54    {
55    }
56
57    Type type() const { return m_type; }
58
59    const Vector<char>& data() const
60    {
61        ASSERT(m_type == Data);
62        return m_data;
63    }
64
65    Vector<char> moveData()
66    {
67        ASSERT(m_type == Data);
68        return WTF::move(m_data);
69    }
70
71    const URL& url() const
72    {
73        ASSERT(m_type == Blob);
74        return m_url;
75    }
76
77    void detachFromCurrentThread()
78    {
79        m_url = m_url.copy();
80    }
81
82private:
83    Type m_type;
84    Vector<char> m_data;
85    URL m_url;
86};
87
88}
89
90#endif // BlobPart_h
91