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/*
* Copyright (C) 2024 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(CONTENT_EXTENSIONS)
#include "ResourceMonitorChecker.h"
#include <wtf/CheckedArithmetic.h>
#include <wtf/RefCountedAndCanMakeWeakPtr.h>
namespace WebCore {
class LocalFrame;
class ResourceMonitor final : public RefCountedAndCanMakeWeakPtr<ResourceMonitor> {
public:
using Eligibility = ResourceMonitorEligibility;
static Ref<ResourceMonitor> create(LocalFrame&);
WEBCORE_EXPORT ~ResourceMonitor();
Eligibility eligibility() const { return m_eligibility; }
void setEligibility(Eligibility);
bool isEligible() const { return eligibility() == Eligibility::Eligible; }
void setDocumentURL(URL&&);
WEBCORE_EXPORT void addNetworkUsage(size_t);
void updateNetworkUsageThreshold(size_t);
private:
explicit ResourceMonitor(LocalFrame&);
void didReceiveResponse(const URL&, OptionSet<ContentExtensions::ResourceType>);
void continueAfterDidReceiveEligibility(Eligibility, const URL&, OptionSet<ContentExtensions::ResourceType>);
void checkNetworkUsageExcessIfNecessary();
ResourceMonitor* parentResourceMonitorIfExists() const;
WeakPtr<LocalFrame> m_frame;
URL m_frameURL;
size_t m_networkUsageThreshold;
CheckedSize m_networkUsage;
Eligibility m_eligibility { Eligibility::Unsure };
bool m_networkUsageExceed { false };
};
} // namespace WebCore
#endif
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