Source/WebCore/replay/CapturingInputCursor.cpp

/*
 * Copyright (C) 2013 University of Washington. All rights reserved.
 * Copyright (C) 2014 Apple Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1.  Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 * 2.  Redistributions in binary form must reproduce the above copyright
 *     notice, this list of conditions and the following disclaimer in the
 *     documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
 * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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 */

#include "config.h"
#include "CapturingInputCursor.h"

#if ENABLE(WEB_REPLAY)

#include "EventLoopInput.h"
#include "Logging.h"
#include "ReplaySessionSegment.h"
#include "SegmentedInputStorage.h"
#include <wtf/CurrentTime.h>

namespace WebCore {

CapturingInputCursor::CapturingInputCursor(PassRefPtr<ReplaySessionSegment> segment)
    : m_segment(segment)
{
    LOG(WebReplay, "%-30sCreated capture cursor=%p.\n", "[ReplayController]", this);
}

CapturingInputCursor::~CapturingInputCursor()
{
    LOG(WebReplay, "%-30sDestroyed capture cursor=%p.\n", "[ReplayController]", this);
}

PassRefPtr<CapturingInputCursor> CapturingInputCursor::create(PassRefPtr<ReplaySessionSegment> segment)
{
    return adoptRef(new CapturingInputCursor(segment));
}

void CapturingInputCursor::storeInput(std::unique_ptr<NondeterministicInputBase> input)
{
    ASSERT_ARG(input, input);

    if (input->queue() == InputQueue::EventLoopInput) {
        // FIXME: rewrite this (and related dispatch code) to use std::chrono.
        double now = monotonicallyIncreasingTime();
        m_segment->eventLoopTimings().append(now);
    }

    m_segment->storage().store(WTF::move(input));
}

NondeterministicInputBase* CapturingInputCursor::loadInput(InputQueue, const AtomicString&)
{
    // Can't load inputs from capturing cursor.
    ASSERT_NOT_REACHED();
    return nullptr;
}

NondeterministicInputBase* CapturingInputCursor::uncheckedLoadInput(InputQueue)
{
    // Can't load inputs from capturing cursor.
    ASSERT_NOT_REACHED();
    return nullptr;
}

}; // namespace WebCore

#endif // ENABLE(WEB_REPLAY)