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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 CHROME_BROWSER_WIN_INSTALLER_DOWNLOADER_INSTALLER_DOWNLOADER_MODEL_IMPL_H_
#define CHROME_BROWSER_WIN_INSTALLER_DOWNLOADER_INSTALLER_DOWNLOADER_MODEL_IMPL_H_
#include <memory>
#include <optional>
#include "base/functional/callback_forward.h"
#include "chrome/browser/win/installer_downloader/installer_downloader_model.h"
#include "components/download/public/common/download_interrupt_reasons.h"
class GURL;
namespace base {
class FilePath;
}
namespace content {
class DownloadManager;
}
namespace download {
class DownloadItem;
}
namespace installer_downloader {
class SystemInfoProvider;
class InstallerDownloaderObserver;
// Non-UI service that:
// • Checks whether the current machine is a Win 10 device **not**
// eligible for in-place upgrade *and* has a OneDrive-synced Desktop.
// • When asked, downloads the installer in the background and
// streams progress to the controller.
// • Persists a token for partial downloads: TODO(crbug.com/412976021):
// Download payload.
//
// All expensive work executes on the ThreadPool; the class itself is
// constructed and destroyed on the UI thread.
class InstallerDownloaderModelImpl : public InstallerDownloaderModel {
public:
// This represents the maximum number of times that the info bar will be
// shown.
static constexpr int kMaxShowCount = 3;
explicit InstallerDownloaderModelImpl(
std::unique_ptr<SystemInfoProvider> system_info_provider);
InstallerDownloaderModelImpl(const InstallerDownloaderModelImpl&) = delete;
InstallerDownloaderModelImpl& operator=(const InstallerDownloaderModelImpl&) =
delete;
~InstallerDownloaderModelImpl() override;
// InstallerDownloaderModel:
void CheckEligibility(EligibilityCheckCallback callback) override;
void StartDownload(const GURL& url,
const base::FilePath& destination,
content::DownloadManager& download_manager,
CompletionCallback completion_callback) override;
bool CanShowInfobar() const override;
void IncrementShowCount() override;
void PreventFutureDisplay() override;
bool ShouldByPassEligibilityCheck() const override;
private:
std::optional<base::FilePath> GetInstallerDestination() const;
// Invoked when the installer download started.
void OnInstallerDownloadCreated(const base::FilePath& expected_path,
CompletionCallback completion_callback,
download::DownloadItem* item,
download::DownloadInterruptReason reason);
void OnInstallerDownloadFinished(CompletionCallback completion_callback,
bool succeeded);
const std::unique_ptr<SystemInfoProvider> system_info_provider_;
// This is instantiated when a download start and is reset when the
// download is finished or stopped. It should be null at any point when no
// download is in progress.
std::unique_ptr<InstallerDownloaderObserver> installer_downloader_observer_;
};
} // namespace installer_downloader
#endif // CHROME_BROWSER_WIN_INSTALLER_DOWNLOADER_INSTALLER_DOWNLOADER_MODEL_IMPL_H_
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