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// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef COMPONENTS_UPDATE_CLIENT_URL_FETCHER_DOWNLOADER_H_
#define COMPONENTS_UPDATE_CLIENT_URL_FETCHER_DOWNLOADER_H_
#include <stdint.h>
#include <memory>
#include "base/macros.h"
#include "base/memory/ref_counted.h"
#include "base/threading/thread_checker.h"
#include "base/time/time.h"
#include "components/update_client/crx_downloader.h"
#include "net/url_request/url_fetcher_delegate.h"
namespace base {
class SequencedTaskRunner;
}
namespace net {
class URLFetcher;
class URLRequestContextGetter;
}
namespace update_client {
// Implements a CRX downloader in top of the URLFetcher.
class UrlFetcherDownloader : public CrxDownloader,
public net::URLFetcherDelegate {
protected:
friend class CrxDownloader;
UrlFetcherDownloader(
std::unique_ptr<CrxDownloader> successor,
net::URLRequestContextGetter* context_getter,
const scoped_refptr<base::SequencedTaskRunner>& task_runner);
~UrlFetcherDownloader() override;
private:
// Overrides for CrxDownloader.
void DoStartDownload(const GURL& url) override;
// Overrides for URLFetcherDelegate.
void OnURLFetchComplete(const net::URLFetcher* source) override;
void OnURLFetchDownloadProgress(const net::URLFetcher* source,
int64_t current,
int64_t total,
int64_t current_network_bytes) override;
std::unique_ptr<net::URLFetcher> url_fetcher_;
net::URLRequestContextGetter* context_getter_;
base::TimeTicks download_start_time_;
int64_t downloaded_bytes_;
int64_t total_bytes_;
base::ThreadChecker thread_checker_;
DISALLOW_COPY_AND_ASSIGN(UrlFetcherDownloader);
};
} // namespace update_client
#endif // COMPONENTS_UPDATE_CLIENT_URL_FETCHER_DOWNLOADER_H_
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