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 "IDBKeyData.h"
31#include "IDBKeyPath.h"
32#include "IDBValue.h"
33#include "IndexedDB.h"
34
35#include <wtf/Variant.h>
36
37namespace WebCore {
38
39class IDBGetAllResult {
40 WTF_MAKE_FAST_ALLOCATED;
41public:
42 IDBGetAllResult()
43 {
44 }
45
46 IDBGetAllResult(IndexedDB::GetAllType type, const Optional<IDBKeyPath>& keyPath)
47 : m_type(type)
48 , m_keyPath(keyPath)
49 {
50 }
51
52 enum IsolatedCopyTag { IsolatedCopy };
53 IDBGetAllResult(const IDBGetAllResult&, IsolatedCopyTag);
54 IDBGetAllResult isolatedCopy() const;
55
56 IndexedDB::GetAllType type() const { return m_type; }
57 const Optional<IDBKeyPath>& keyPath() const { return m_keyPath; }
58 const Vector<IDBKeyData>& keys() const;
59 const Vector<IDBValue>& values() const;
60
61 void addKey(IDBKeyData&&);
62 void addValue(IDBValue&&);
63
64 template<class Encoder> void encode(Encoder&) const;
65 template<class Decoder> static bool decode(Decoder&, IDBGetAllResult&);
66
67 WEBCORE_EXPORT Vector<String> allBlobFilePaths() const;
68
69private:
70 static void isolatedCopy(const IDBGetAllResult& source, IDBGetAllResult& destination);
71
72 IndexedDB::GetAllType m_type { IndexedDB::GetAllType::Keys };
73 Vector<IDBKeyData> m_keys;
74 Vector<IDBValue> m_values;
75 Optional<IDBKeyPath> m_keyPath;
76};
77
78template<class Encoder>
79void IDBGetAllResult::encode(Encoder& encoder) const
80{
81 encoder << m_type << m_keys << m_values << m_keyPath;
82}
83
84template<class Decoder>
85bool IDBGetAllResult::decode(Decoder& decoder, IDBGetAllResult& result)
86{
87 if (!decoder.decode(result.m_type))
88 return false;
89
90 if (!decoder.decode(result.m_keys))
91 return false;
92
93 if (!decoder.decode(result.m_values))
94 return false;
95
96 if (!decoder.decode(result.m_keyPath))
97 return false;
98
99 return true;
100}
101
102} // namespace WebCore
103
104#endif // ENABLE(INDEXED_DATABASE)
105