QuotedMessageAttachmentReference.swift

//
// Copyright 2024 Signal Messenger, LLC
// SPDX-License-Identifier: AGPL-3.0-only
//

import Foundation

/// A reference to an attachment held by a quoted message reply.
public enum QuotedMessageAttachmentReference {
    /// The quoted message had a thumbnail-able attachment, so
    /// we created a thumbnail and reference it here.
    case thumbnail(ReferencedAttachment)

    /// The quoted message had an attachment, but it couldn't be captured
    /// as a thumbnail (e.g. it was a generic file). We don't actually reference
    /// an attachment; instead we just keep some metadata from the original
    /// we use to render a stub at display time.
    case stub(Stub)

    public struct Stub: Equatable {
        public let mimeType: String?
        public let sourceFilename: String?
        public let renderingFlag: AttachmentReference.RenderingFlag?
    }
}