/*
 * Copyright (C) 2025 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 HAVE(WEBCONTENTRESTRICTIONS)

OBJC_CLASS WCRBrowserEngineClient;

namespace WTF {
class WorkQueue;
}

namespace WebCore {

class ParentalControlsURLFilter {
    WTF_MAKE_FAST_ALLOCATED;
public:
#if HAVE(WEBCONTENTRESTRICTIONS_PATH_SPI)
    static ParentalControlsURLFilter& filterWithConfigurationPath(const String&);
#else
    static ParentalControlsURLFilter& singleton();
#endif

    void resetIsEnabled();
    bool isEnabled() const;
    void isURLAllowedWithQueue(const URL&, CompletionHandler<void(bool, NSData *)>&&, WTF::WorkQueue& completionHandlerQueue);
    void allowURL(const URL&, CompletionHandler<void(bool)>&&);

private:
#if HAVE(WEBCONTENTRESTRICTIONS_PATH_SPI)
    ParentalControlsURLFilter(const String& configurationPath);
#else
    ParentalControlsURLFilter();
#endif
    WCRBrowserEngineClient* effectiveWCRBrowserEngineClient();

    mutable std::optional<bool> m_isEnabled;
    const RetainPtr<WCRBrowserEngineClient> m_wcrBrowserEngineClient;
#if HAVE(WEBCONTENTRESTRICTIONS_PATH_SPI)
    String m_configurationPath;
#endif
};

} // namespace WebCore

#endif // HAVE(WEBCONTENTRESTRICTIONS)
