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// Copyright (c) 2010 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 CHROME_BROWSER_DOWNLOAD_DOWNLOAD_FILE_H_
#define CHROME_BROWSER_DOWNLOAD_DOWNLOAD_FILE_H_
#pragma once
#include "base/basictypes.h"
#include "base/ref_counted.h"
#include "chrome/browser/download/base_file.h"
#include "chrome/browser/download/download_types.h"
struct DownloadCreateInfo;
class DownloadManager;
class ResourceDispatcherHost;
// These objects live exclusively on the download thread and handle the writing
// operations for one download. These objects live only for the duration that
// the download is 'in progress': once the download has been completed or
// cancelled, the DownloadFile is destroyed.
class DownloadFile : public BaseFile {
public:
DownloadFile(const DownloadCreateInfo* info,
DownloadManager* download_manager);
virtual ~DownloadFile();
// Deletes its .crdownload intermediate file.
// Marked virtual for testing.
virtual void DeleteCrDownload();
// Cancels the download request associated with this file.
void CancelDownloadRequest(ResourceDispatcherHost* rdh);
int id() const { return id_; }
DownloadManager* GetDownloadManager();
private:
// The unique identifier for this download, assigned at creation by
// the DownloadFileManager for its internal record keeping.
int id_;
// IDs for looking up the tab we are associated with.
int child_id_;
// Handle for informing the ResourceDispatcherHost of a UI based cancel.
int request_id_;
// DownloadManager this download belongs to.
scoped_refptr<DownloadManager> download_manager_;
DISALLOW_COPY_AND_ASSIGN(DownloadFile);
};
#endif // CHROME_BROWSER_DOWNLOAD_DOWNLOAD_FILE_H_
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