1 // Copyright 2013 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef CHROME_BROWSER_COMPONENT_UPDATER_URL_FETCHER_DOWNLOADER_H_ 6 #define CHROME_BROWSER_COMPONENT_UPDATER_URL_FETCHER_DOWNLOADER_H_ 7 8 #include "base/basictypes.h" 9 #include "base/memory/ref_counted.h" 10 #include "base/memory/scoped_ptr.h" 11 #include "base/time/time.h" 12 #include "chrome/browser/component_updater/crx_downloader.h" 13 #include "net/url_request/url_fetcher_delegate.h" 14 15 namespace net { 16 class URLFetcher; 17 class URLRequestContextGetter; 18 } 19 20 namespace component_updater { 21 22 // Implements a CRX downloader in top of the URLFetcher. 23 class UrlFetcherDownloader : public CrxDownloader, 24 public net::URLFetcherDelegate { 25 protected: 26 friend class CrxDownloader; 27 UrlFetcherDownloader(scoped_ptr<CrxDownloader> successor, 28 net::URLRequestContextGetter* context_getter, 29 scoped_refptr<base::SequencedTaskRunner> task_runner); 30 virtual ~UrlFetcherDownloader(); 31 32 private: 33 // Overrides for CrxDownloader. 34 virtual void DoStartDownload(const GURL& url) OVERRIDE; 35 36 // Overrides for URLFetcherDelegate. 37 virtual void OnURLFetchComplete(const net::URLFetcher* source) OVERRIDE; 38 virtual void OnURLFetchDownloadProgress(const net::URLFetcher* source, 39 int64 current, 40 int64 total) OVERRIDE; 41 scoped_ptr<net::URLFetcher> url_fetcher_; 42 net::URLRequestContextGetter* context_getter_; 43 scoped_refptr<base::SequencedTaskRunner> task_runner_; 44 45 base::Time download_start_time_; 46 47 int64 downloaded_bytes_; 48 int64 total_bytes_; 49 50 DISALLOW_COPY_AND_ASSIGN(UrlFetcherDownloader); 51 }; 52 53 } // namespace component_updater 54 55 #endif // CHROME_BROWSER_COMPONENT_UPDATER_URL_FETCHER_DOWNLOADER_H_ 56