| /* |
| * Copyright (C) 2018 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 APPLE INC. AND ITS 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 APPLE INC. OR ITS 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 THEORY OF LIABILITY, WHETHER IN |
| * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF |
| * THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #pragma once |
| |
| #if ENABLE(WEB_AUTHN) |
| |
| #include <pal/spi/cocoa/IOKitSPI.h> |
| #include <wtf/CompletionHandler.h> |
| #include <wtf/Deque.h> |
| #include <wtf/Forward.h> |
| #include <wtf/Function.h> |
| #include <wtf/Noncopyable.h> |
| #include <wtf/RetainPtr.h> |
| |
| namespace WebKit { |
| |
| class HidConnection { |
| WTF_MAKE_FAST_ALLOCATED; |
| WTF_MAKE_NONCOPYABLE(HidConnection); |
| public: |
| enum class DataSent { |
| No, |
| Yes |
| }; |
| |
| using DataSentCallback = CompletionHandler<void(DataSent)>; |
| using DataReceivedCallback = Function<void(Vector<uint8_t>&&)>; |
| |
| explicit HidConnection(IOHIDDeviceRef); |
| virtual ~HidConnection(); |
| |
| // Overrided by MockHidConnection. |
| virtual void initialize(); |
| virtual void terminate(); |
| // Caller should send data again after callback is invoked to control flow. |
| virtual void send(Vector<uint8_t>&& data, DataSentCallback&&); |
| void registerDataReceivedCallback(DataReceivedCallback&&); |
| void unregisterDataReceivedCallback(); |
| void invalidateCache() { m_inputReports.clear(); } |
| |
| void receiveReport(Vector<uint8_t>&&); |
| |
| protected: |
| bool m_initialized { false }; |
| bool m_terminated { false }; |
| |
| private: |
| void consumeReports(); |
| |
| // Overrided by MockHidConnection. |
| virtual void registerDataReceivedCallbackInternal(); |
| |
| RetainPtr<IOHIDDeviceRef> m_device; |
| Vector<uint8_t> m_inputBuffer; |
| // Could queue data requested by other applications. |
| Deque<Vector<uint8_t>> m_inputReports; |
| DataReceivedCallback m_inputCallback; |
| }; |
| |
| } // namespace WebKit |
| |
| #endif // ENABLE(WEB_AUTHN) |