1/* 2 * Copyright (C) 2011-2013 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 EventLoopInput_h 29#define EventLoopInput_h 30 31#if ENABLE(WEB_REPLAY) 32 33#include <replay/NondeterministicInput.h> 34#include <wtf/CurrentTime.h> 35 36namespace JSC { 37class InputCursor; 38}; 39 40namespace WebCore { 41 42class ReplayController; 43 44// This is an RAII helper used during capturing which sets a flag on the input cursor 45// to track the dynamic extent of a captured event loop input. This extent approximates 46// the interval in which EventLoopInputDispatcher::dispatching() is true. 47class EventLoopInputExtent { 48 WTF_MAKE_NONCOPYABLE(EventLoopInputExtent); 49public: 50 EventLoopInputExtent(JSC::InputCursor&); 51 ~EventLoopInputExtent(); 52private: 53 JSC::InputCursor& m_cursor; 54}; 55 56class EventLoopInputBase : public NondeterministicInputBase { 57public: 58 EventLoopInputBase() 59 : m_timestamp(monotonicallyIncreasingTime()) 60 { 61 } 62 63 virtual ~EventLoopInputBase() { } 64 virtual InputQueue queue() const override final { return InputQueue::EventLoopInput; } 65 66 virtual void dispatch(ReplayController&) = 0; 67 68 double timestamp() const { return m_timestamp; } 69 void setTimestamp(double timestamp) { m_timestamp = timestamp; } 70protected: 71 double m_timestamp; 72}; 73 74template <typename InputType> 75class EventLoopInput : public EventLoopInputBase { 76 virtual const AtomicString& type() const override final 77 { 78 return InputTraits<InputType>::type(); 79 } 80}; 81 82} // namespace WebCore 83 84#endif // ENABLE(WEB_REPLAY) 85 86#endif // EventLoopInput_h 87