NfcConnection.h   [plain text]

/*
 * Copyright (C) 2019 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) && HAVE(NEAR_FIELD)

#include <wtf/RefCounted.h>
#include <wtf/RetainPtr.h>
#include <wtf/RunLoop.h>
#include <wtf/WeakPtr.h>

OBJC_CLASS NFReaderSession;
OBJC_CLASS NSArray;
OBJC_CLASS WKNFReaderSessionDelegate;

namespace WebKit {

class NfcService;

class NfcConnection : public RefCounted<NfcConnection>, public CanMakeWeakPtr<NfcConnection> {
public:
    static Ref<NfcConnection> create(RetainPtr<NFReaderSession>&&, NfcService&);
    ~NfcConnection();

    Vector<uint8_t> transact(Vector<uint8_t>&& data) const;
    void stop() const;

    // For WKNFReaderSessionDelegate
    void didDetectTags(NSArray *);

private:
    NfcConnection(RetainPtr<NFReaderSession>&&, NfcService&);

    void restartPolling();
    void startPolling();

    RetainPtr<NFReaderSession> m_session;
    RetainPtr<WKNFReaderSessionDelegate> m_delegate;
    WeakPtr<NfcService> m_service;
    RunLoop::Timer<NfcConnection> m_retryTimer;
};

} // namespace WebKit

#endif // ENABLE(WEB_AUTHN) && HAVE(NEAR_FIELD)