net/url_request/url_fetcher_delegate.h

   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
  14 namespace net {
  15
  16 class URLFetcher;
  17
  18 // A delegate interface for users of URLFetcher.
  19 class 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_