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// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/update_client/crx_downloader_factory.h"
#include <cstdint>
#include <optional>
#include "base/files/file_path.h"
#include "base/memory/scoped_refptr.h"
#include "base/task/sequenced_task_runner.h"
#include "base/task/thread_pool.h"
#include "build/build_config.h"
#include "components/update_client/crx_downloader.h"
#include "components/update_client/network.h"
#include "components/update_client/task_traits.h"
#include "components/update_client/url_fetcher_downloader.h"
#if BUILDFLAG(IS_WIN)
#include "components/update_client/background_downloader_win.h"
#elif BUILDFLAG(IS_MAC)
#include "components/update_client/background_downloader_mac.h"
#endif
namespace update_client {
namespace {
class CrxDownloaderFactoryChromium : public CrxDownloaderFactory {
public:
explicit CrxDownloaderFactoryChromium(
scoped_refptr<NetworkFetcherFactory> network_fetcher_factory,
std::optional<base::FilePath> background_downloader_cache_path)
: network_fetcher_factory_(network_fetcher_factory) {
#if BUILDFLAG(IS_MAC)
if (background_downloader_cache_path) {
background_sequence_ = base::ThreadPool::CreateSequencedTaskRunner(
kTaskTraitsBackgroundDownloader);
background_downloader_shared_session_ =
MakeBackgroundDownloaderSharedSession(
background_sequence_, *background_downloader_cache_path);
}
#endif
}
// Overrides for CrxDownloaderFactory.
scoped_refptr<CrxDownloader> MakeCrxDownloader(
bool background_download_enabled) const override;
private:
~CrxDownloaderFactoryChromium() override = default;
scoped_refptr<NetworkFetcherFactory> network_fetcher_factory_;
#if BUILDFLAG(IS_MAC)
scoped_refptr<base::SequencedTaskRunner> background_sequence_;
scoped_refptr<BackgroundDownloaderSharedSession>
background_downloader_shared_session_;
#endif
};
scoped_refptr<CrxDownloader> CrxDownloaderFactoryChromium::MakeCrxDownloader(
bool background_download_enabled) const {
scoped_refptr<CrxDownloader> url_fetcher_downloader =
base::MakeRefCounted<UrlFetcherDownloader>(nullptr,
network_fetcher_factory_);
if (background_download_enabled) {
#if BUILDFLAG(IS_MAC)
return base::MakeRefCounted<BackgroundDownloader>(
url_fetcher_downloader, background_downloader_shared_session_,
background_sequence_);
#elif BUILDFLAG(IS_WIN)
return base::MakeRefCounted<BackgroundDownloader>(url_fetcher_downloader);
#endif
}
return url_fetcher_downloader;
}
} // namespace
scoped_refptr<CrxDownloaderFactory> MakeCrxDownloaderFactory(
scoped_refptr<NetworkFetcherFactory> network_fetcher_factory,
std::optional<base::FilePath> background_downloader_cache_path) {
return base::MakeRefCounted<CrxDownloaderFactoryChromium>(
network_fetcher_factory, background_downloader_cache_path);
}
} // namespace update_client
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