1/*
2 * Copyright (C) 2016 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#pragma once
27
28#if ENABLE(INDEXED_DATABASE)
29
30#include "ThreadSafeDataBuffer.h"
31#include <pal/SessionID.h>
32#include <wtf/text/WTFString.h>
33
34namespace WebCore {
35
36class SerializedScriptValue;
37
38class IDBValue {
39 WTF_MAKE_FAST_ALLOCATED;
40public:
41 WEBCORE_EXPORT IDBValue();
42 IDBValue(const SerializedScriptValue&);
43 IDBValue(const ThreadSafeDataBuffer&);
44 IDBValue(const SerializedScriptValue&, const Vector<String>& blobURLs, const PAL::SessionID&, const Vector<String>& blobFilePaths);
45 IDBValue(const ThreadSafeDataBuffer&, Vector<String>&& blobURLs, const PAL::SessionID&, Vector<String>&& blobFilePaths);
46 IDBValue(const ThreadSafeDataBuffer&, const Vector<String>& blobURLs, const PAL::SessionID&, const Vector<String>& blobFilePaths);
47
48 void setAsIsolatedCopy(const IDBValue&);
49 IDBValue isolatedCopy() const;
50
51 const ThreadSafeDataBuffer& data() const { return m_data; }
52 const Vector<String>& blobURLs() const { return m_blobURLs; }
53 const PAL::SessionID& sessionID() const { return m_sessionID; }
54 const Vector<String>& blobFilePaths() const { return m_blobFilePaths; }
55
56 template<class Encoder> void encode(Encoder&) const;
57 template<class Decoder> static Optional<IDBValue> decode(Decoder&);
58
59private:
60 ThreadSafeDataBuffer m_data;
61 Vector<String> m_blobURLs;
62 PAL::SessionID m_sessionID;
63 Vector<String> m_blobFilePaths;
64};
65
66
67template<class Encoder>
68void IDBValue::encode(Encoder& encoder) const
69{
70 encoder << m_data;
71 encoder << m_blobURLs;
72 encoder << m_sessionID;
73 encoder << m_blobFilePaths;
74}
75
76template<class Decoder>
77Optional<IDBValue> IDBValue::decode(Decoder& decoder)
78{
79 IDBValue result;
80 if (!decoder.decode(result.m_data))
81 return WTF::nullopt;
82
83 if (!decoder.decode(result.m_blobURLs))
84 return WTF::nullopt;
85
86 if (!decoder.decode(result.m_sessionID))
87 return WTF::nullopt;
88
89 if (!decoder.decode(result.m_blobFilePaths))
90 return WTF::nullopt;
91
92 return result;
93}
94
95} // namespace WebCore
96
97#endif // ENABLE(INDEXED_DATABASE)
98