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// Copyright 2025 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef COMPONENTS_DOWNLOAD_PUBLIC_COMMON_DESKTOP_DESKTOP_AUTO_RESUMPTION_HANDLER_H_
#define COMPONENTS_DOWNLOAD_PUBLIC_COMMON_DESKTOP_DESKTOP_AUTO_RESUMPTION_HANDLER_H_
#include <map>
#include "base/memory/weak_ptr.h"
#include "base/time/time.h"
#include "components/download/public/common/download_export.h"
#include "components/download/public/common/download_item.h"
namespace download {
class COMPONENTS_DOWNLOAD_EXPORT DesktopAutoResumptionHandler
: public DownloadItem::Observer {
public:
static DesktopAutoResumptionHandler* Get();
DesktopAutoResumptionHandler(const DesktopAutoResumptionHandler&) = delete;
DesktopAutoResumptionHandler& operator=(const DesktopAutoResumptionHandler&) =
delete;
DesktopAutoResumptionHandler();
~DesktopAutoResumptionHandler() override;
void OnDownloadUpdated(DownloadItem* item) override;
void OnDownloadDestroyed(DownloadItem* item) override;
bool IsAutoResumableDownload(DownloadItem* item) const;
private:
base::TimeDelta ComputeBackoffDelay(int retry_count);
void MaybeResumeDownload(std::string guid);
std::map<std::string, DownloadItem*> resumable_downloads_;
base::WeakPtrFactory<DesktopAutoResumptionHandler> weak_factory_{this};
};
} // namespace download
#endif // COMPONENTS_DOWNLOAD_PUBLIC_COMMON_DESKTOP_DESKTOP_AUTO_RESUMPTION_HANDLER_H_
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