1 // Copyright 2014 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 COMPONENTS_COMPONENT_UPDATER_URL_FETCHER_DOWNLOADER_H_ 6 #define COMPONENTS_COMPONENT_UPDATER_URL_FETCHER_DOWNLOADER_H_ 7 8 #include <stdint.h> 9 10 #include "base/macros.h" 11 #include "base/memory/ref_counted.h" 12 #include "base/memory/scoped_ptr.h" 13 #include "base/threading/thread_checker.h" 14 #include "base/time/time.h" 15 #include "components/component_updater/crx_downloader.h" 16 #include "net/url_request/url_fetcher_delegate.h" 17 18 namespace net { 19 class URLFetcher; 20 class URLRequestContextGetter; 21 } 22 23 namespace component_updater { 24 25 // Implements a CRX downloader in top of the URLFetcher. 26 class UrlFetcherDownloader : public CrxDownloader, 27 public net::URLFetcherDelegate { 28 protected: 29 friend class CrxDownloader; 30 UrlFetcherDownloader(scoped_ptr<CrxDownloader> successor, 31 net::URLRequestContextGetter* context_getter, 32 scoped_refptr<base::SequencedTaskRunner> task_runner); 33 virtual ~UrlFetcherDownloader(); 34 35 private: 36 // Overrides for CrxDownloader. 37 virtual void DoStartDownload(const GURL& url) OVERRIDE; 38 39 // Overrides for URLFetcherDelegate. 40 virtual void OnURLFetchComplete(const net::URLFetcher* source) OVERRIDE; 41 virtual void OnURLFetchDownloadProgress(const net::URLFetcher* source, 42 int64_t current, 43 int64_t total) OVERRIDE; 44 scoped_ptr<net::URLFetcher> url_fetcher_; 45 net::URLRequestContextGetter* context_getter_; 46 scoped_refptr<base::SequencedTaskRunner> task_runner_; 47 48 base::Time download_start_time_; 49 50 int64_t downloaded_bytes_; 51 int64_t total_bytes_; 52 53 base::ThreadChecker thread_checker_; 54 55 DISALLOW_COPY_AND_ASSIGN(UrlFetcherDownloader); 56 }; 57 58 } // namespace component_updater 59 60 #endif // COMPONENTS_COMPONENT_UPDATER_URL_FETCHER_DOWNLOADER_H_ 61
