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 ReplayingInputCursor_h
29#define ReplayingInputCursor_h
30
31#if ENABLE(WEB_REPLAY)
32
33#include <replay/InputCursor.h>
34#include <wtf/Vector.h>
35#include <wtf/text/AtomicString.h>
36
37namespace WebCore {
38
39class EventLoopInputDispatcher;
40class EventLoopInputDispatcherClient;
41class Page;
42class SegmentedInputStorage;
43
44class ReplayingInputCursor final : public InputCursor {
45    WTF_MAKE_NONCOPYABLE(ReplayingInputCursor);
46public:
47    static PassRefPtr<ReplayingInputCursor> create(SegmentedInputStorage&, Page&, EventLoopInputDispatcherClient*);
48    virtual ~ReplayingInputCursor();
49
50    virtual bool isCapturing() const override { return false; }
51    virtual bool isReplaying() const override { return true; }
52
53    EventLoopInputDispatcher& dispatcher() const { return *m_dispatcher; }
54
55    virtual void storeInput(std::unique_ptr<NondeterministicInputBase>) override;
56    virtual NondeterministicInputBase* uncheckedLoadInput(InputQueue) override;
57protected:
58    virtual NondeterministicInputBase* loadInput(InputQueue, const AtomicString& type) override;
59private:
60    ReplayingInputCursor(SegmentedInputStorage&, Page&, EventLoopInputDispatcherClient*);
61
62    SegmentedInputStorage& m_storage;
63    std::unique_ptr<EventLoopInputDispatcher> m_dispatcher;
64    Vector<size_t> m_positions;
65};
66
67} // namespace WebCore
68
69#endif // ENABLE(WEB_REPLAY)
70
71#endif // ReplayingInputCursor_h
72