Source/WebCore/html/AttachmentTypes.h

/*
 * Copyright (C) 2017 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(ATTACHMENT_ELEMENT)

#include <wtf/Optional.h>
#include <wtf/text/WTFString.h>

namespace WebCore {

class SharedBuffer;

enum class AttachmentDisplayMode {
    Auto,
    InPlace,
    AsIcon
};

struct AttachmentDisplayOptions {
    AttachmentDisplayMode mode { AttachmentDisplayMode::Auto };

    template<class Encoder> void encode(Encoder&) const;
    template<class Decoder> static std::optional<AttachmentDisplayOptions> decode(Decoder&);
};

template<class Encoder> inline void AttachmentDisplayOptions::encode(Encoder& encoder) const
{
    encoder.encodeEnum(mode);
}

template<class Decoder> inline std::optional<AttachmentDisplayOptions> AttachmentDisplayOptions::decode(Decoder& decoder)
{
    AttachmentDisplayMode mode;
    if (!decoder.decodeEnum(mode))
        return std::nullopt;

    return {{ mode }};
}

struct AttachmentInfo {
    String contentType;
    String name;
    String filePath;
    RefPtr<SharedBuffer> data;
};

} // namespace WebCore

#endif // ENABLE(ATTACHMENT_ELEMENT)