Source/WebCore/accessibility/AccessibilityRemoteToken.h

/*
 * Copyright (C) 2026 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

#include <wtf/UUID.h>
#include <wtf/Vector.h>

namespace WebCore {

// Token used to identify accessibility objects across process boundaries.
// On Mac, this is an opaque byte array from NSAccessibilityRemoteUIElement.
// On other platforms, it's a UUID and process ID pair.
struct AccessibilityRemoteToken {
    AccessibilityRemoteToken()
#if !PLATFORM(MAC)
        : uuid(WTF::UUID::createVersion4())
        , pid(0)
#endif
    { }

#if PLATFORM(MAC)
    AccessibilityRemoteToken(Vector<uint8_t> bytes)
        : bytes(bytes)
    { }

    Vector<uint8_t> bytes;
#else
    AccessibilityRemoteToken(WTF::UUID uuid, ProcessID pid)
        : uuid(uuid)
        , pid(pid)
    { }

    WTF::UUID uuid;
    ProcessID pid;
#endif
};

} // namespace WebCore