| | 1 | /* |
| | 2 | * Copyright (C) 2011, 2012 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 InputCursor_h |
| | 29 | #define InputCursor_h |
| | 30 | |
| | 31 | #if ENABLE(WEB_REPLAY) |
| | 32 | |
| | 33 | #include "NondeterministicInput.h" |
| | 34 | #include <wtf/Noncopyable.h> |
| | 35 | #include <wtf/RefCounted.h> |
| | 36 | #include <wtf/text/AtomicString.h> |
| | 37 | |
| | 38 | namespace JSC { |
| | 39 | |
| | 40 | class InputCursor : public RefCounted<InputCursor> { |
| | 41 | WTF_MAKE_NONCOPYABLE(InputCursor); |
| | 42 | public: |
| | 43 | InputCursor() { } |
| | 44 | |
| | 45 | virtual ~InputCursor() { } |
| | 46 | |
| | 47 | virtual bool isCapturing() const = 0; |
| | 48 | virtual bool isReplaying() const = 0; |
| | 49 | |
| | 50 | template <class InputType, class... Args> inline |
| | 51 | void appendInput(Args&&... args) |
| | 52 | { |
| | 53 | InputType* rawInput = WTF::safeCast<InputType*>(new InputType(std::forward<Args>(args)...)); |
| | 54 | return storeInput(std::unique_ptr<NondeterministicInputBase>(rawInput)); |
| | 55 | } |
| | 56 | |
| | 57 | template <class InputType> inline |
| | 58 | InputType* fetchInput() |
| | 59 | { |
| | 60 | return static_cast<InputType*>(loadInput(InputTraits<InputType>::queue(), InputTraits<InputType>::type())); |
| | 61 | } |
| | 62 | |
| | 63 | virtual void storeInput(std::unique_ptr<NondeterministicInputBase>) = 0; |
| | 64 | virtual NondeterministicInputBase* uncheckedLoadInput(InputQueue) = 0; |
| | 65 | protected: |
| | 66 | virtual NondeterministicInputBase* loadInput(InputQueue, const AtomicString&) = 0; |
| | 67 | }; |
| | 68 | |
| | 69 | } // namespace JSC |
| | 70 | |
| | 71 | using JSC::InputCursor; |
| | 72 | |
| | 73 | #endif // ENABLE(WEB_REPLAY) |
| | 74 | |
| | 75 | #endif // InputCursor_h |
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