1/*
2 * Copyright (C) 2013 University of Washington. All rights reserved.
3 * Copyright (C) 2014 Apple Inc. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * 1.  Redistributions of source code must retain the above copyright
10 *     notice, this list of conditions and the following disclaimer.
11 * 2.  Redistributions in binary form must reproduce the above copyright
12 *     notice, this list of conditions and the following disclaimer in the
13 *     documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
16 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
17 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
18 * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
19 * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
20 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
21 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
25 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27
28#ifndef SegmentedInputStorage_h
29#define SegmentedInputStorage_h
30
31#if ENABLE(WEB_REPLAY)
32
33#include <replay/NondeterministicInput.h>
34#include <wtf/Noncopyable.h>
35#include <wtf/Vector.h>
36
37namespace WebCore {
38
39class SegmentedInputStorage {
40    WTF_MAKE_NONCOPYABLE(SegmentedInputStorage);
41    friend class FunctorInputCursor;
42public:
43    SegmentedInputStorage();
44    ~SegmentedInputStorage();
45
46    NondeterministicInputBase* load(InputQueue, size_t);
47    void store(std::unique_ptr<NondeterministicInputBase>);
48    size_t queueSize(InputQueue) const;
49
50private:
51    typedef Vector<std::unique_ptr<NondeterministicInputBase>> QueuedInputs;
52    const QueuedInputs& queue(InputQueue) const;
53
54    Vector<QueuedInputs*, 3> m_queues;
55    unsigned m_inputCount;
56};
57
58} // namespace WebCore
59
60#endif // ENABLE(WEB_REPLAY)
61
62#endif // SegmentedInputStorage_h
63