1// Copyright (c) 2012 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 NET_URL_REQUEST_URL_FETCHER_DELEGATE_H_
6#define NET_URL_REQUEST_URL_FETCHER_DELEGATE_H_
7
8#include <string>
9
10#include "base/basictypes.h"
11#include "base/memory/scoped_ptr.h"
12#include "net/base/net_export.h"
13
14namespace net {
15
16class URLFetcher;
17
18// A delegate interface for users of URLFetcher.
19class NET_EXPORT URLFetcherDelegate {
20 public:
21  // This will be called when the URL has been fetched, successfully or not.
22  // Use accessor methods on |source| to get the results.
23  virtual void OnURLFetchComplete(const URLFetcher* source) = 0;
24
25  // This will be called when some part of the response is read. |current|
26  // denotes the number of bytes received up to the call, and |total| is the
27  // expected total size of the response (or -1 if not determined).
28  virtual void OnURLFetchDownloadProgress(const URLFetcher* source,
29                                          int64 current, int64 total);
30
31  // This will be called when uploading of POST or PUT requests proceeded.
32  // |current| denotes the number of bytes sent so far, and |total| is the
33  // total size of uploading data (or -1 if chunked upload is enabled).
34  virtual void OnURLFetchUploadProgress(const URLFetcher* source,
35                                        int64 current, int64 total);
36
37 protected:
38  virtual ~URLFetcherDelegate();
39};
40
41}  // namespace net
42
43#endif  // NET_URL_REQUEST_URL_FETCHER_DELEGATE_H_
44