ModalContainerControlClassifier.h

/*
 * Copyright (C) 2021 Apple Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
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 * 2. Redistributions in binary form must reproduce the above copyright
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 *
 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
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 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
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#pragma once

#import <wtf/Forward.h>
#include <wtf/WorkQueue.h>

@class MLModel;

namespace WebCore {
enum class ModalContainerControlType : uint8_t;
}

namespace WebKit {

class ModalContainerControlClassifier {
    WTF_MAKE_FAST_ALLOCATED;
public:
    static ModalContainerControlClassifier& sharedClassifier();

    void classify(Vector<String>&& text, CompletionHandler<void(Vector<WebCore::ModalContainerControlType>&&)>&&);

private:
    friend std::unique_ptr<ModalContainerControlClassifier> std::make_unique<ModalContainerControlClassifier>();

    ModalContainerControlClassifier();
    void loadModelIfNeeded();

    Ref<WorkQueue> m_queue;
    RetainPtr<MLModel> m_model;
};

} // namespace WebKit