| // Copyright 2015 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 CONTENT_BROWSER_DOWNLOAD_URL_DOWNLOADER_H_ |
| #define CONTENT_BROWSER_DOWNLOAD_URL_DOWNLOADER_H_ |
| |
| #include <stdint.h> |
| |
| #include <memory> |
| |
| #include "base/memory/weak_ptr.h" |
| #include "content/browser/download/download_request_core.h" |
| #include "content/browser/download/url_download_handler.h" |
| #include "content/public/browser/download_interrupt_reasons.h" |
| #include "content/public/browser/download_save_info.h" |
| #include "content/public/browser/download_url_parameters.h" |
| #include "content/public/common/referrer.h" |
| #include "net/url_request/redirect_info.h" |
| #include "net/url_request/url_request.h" |
| |
| namespace content { |
| class ByteStreamReader; |
| struct DownloadCreateInfo; |
| |
| class UrlDownloader : public net::URLRequest::Delegate, |
| public DownloadRequestCore::Delegate, |
| public UrlDownloadHandler { |
| public: |
| UrlDownloader(std::unique_ptr<net::URLRequest> request, |
| base::WeakPtr<UrlDownloadHandler::Delegate> delegate, |
| bool is_parallel_request); |
| ~UrlDownloader() override; |
| |
| static std::unique_ptr<UrlDownloader> BeginDownload( |
| base::WeakPtr<UrlDownloadHandler::Delegate> delegate, |
| std::unique_ptr<net::URLRequest> request, |
| const Referrer& referrer, |
| bool is_parallel_request); |
| |
| private: |
| class RequestHandle; |
| |
| void Start(); |
| |
| // URLRequest::Delegate: |
| void OnReceivedRedirect(net::URLRequest* request, |
| const net::RedirectInfo& redirect_info, |
| bool* defer_redirect) override; |
| void OnResponseStarted(net::URLRequest* request, int net_error) override; |
| void OnReadCompleted(net::URLRequest* request, int bytes_read) override; |
| |
| void StartReading(bool is_continuation); |
| void ResponseCompleted(int net_error); |
| |
| // DownloadRequestCore::Delegate |
| void OnStart( |
| std::unique_ptr<DownloadCreateInfo> download_create_info, |
| std::unique_ptr<ByteStreamReader> stream_reader, |
| const DownloadUrlParameters::OnStartedCallback& callback) override; |
| void OnReadyToRead() override; |
| |
| void PauseRequest(); |
| void ResumeRequest(); |
| void CancelRequest(); |
| |
| // Called when the UrlDownloader is done with the request. Posts a task to |
| // remove itself from its download manager, which in turn would cause the |
| // UrlDownloader to be freed. |
| void Destroy(); |
| |
| std::unique_ptr<net::URLRequest> request_; |
| |
| // Live on UI thread, post task to call |delegate_| functions. |
| base::WeakPtr<UrlDownloadHandler::Delegate> delegate_; |
| DownloadRequestCore core_; |
| |
| base::WeakPtrFactory<UrlDownloader> weak_ptr_factory_; |
| }; |
| |
| } // namespace content |
| |
| #endif // CONTENT_BROWSER_DOWNLOAD_URL_DOWNLOADER_H_ |