1 // Copyright (c) 2011 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_DOWNLOAD_DOWNLOAD_FILE_H_ 6 #define CHROME_BROWSER_DOWNLOAD_DOWNLOAD_FILE_H_ 7 #pragma once 8 9 #include <string> 10 11 #include "base/basictypes.h" 12 #include "base/memory/ref_counted.h" 13 #include "chrome/browser/download/base_file.h" 14 #include "chrome/browser/download/download_types.h" 15 16 struct DownloadCreateInfo; 17 class DownloadManager; 18 class ResourceDispatcherHost; 19 20 // These objects live exclusively on the download thread and handle the writing 21 // operations for one download. These objects live only for the duration that 22 // the download is 'in progress': once the download has been completed or 23 // cancelled, the DownloadFile is destroyed. 24 class DownloadFile : public BaseFile { 25 public: 26 DownloadFile(const DownloadCreateInfo* info, 27 DownloadManager* download_manager); 28 virtual ~DownloadFile(); 29 30 // Cancels the download request associated with this file. 31 void CancelDownloadRequest(ResourceDispatcherHost* rdh); 32 33 int id() const { return id_; } 34 DownloadManager* GetDownloadManager(); 35 36 virtual std::string DebugString() const; 37 38 private: 39 // The unique identifier for this download, assigned at creation by 40 // the DownloadFileManager for its internal record keeping. 41 int id_; 42 43 // IDs for looking up the tab we are associated with. 44 int child_id_; 45 46 // Handle for informing the ResourceDispatcherHost of a UI based cancel. 47 int request_id_; 48 49 // DownloadManager this download belongs to. 50 scoped_refptr<DownloadManager> download_manager_; 51 52 DISALLOW_COPY_AND_ASSIGN(DownloadFile); 53 }; 54 55 #endif // CHROME_BROWSER_DOWNLOAD_DOWNLOAD_FILE_H_ 56
