net/http/http_transaction_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_HTTP_HTTP_TRANSACTION_DELEGATE_H_
   6 #define NET_HTTP_HTTP_TRANSACTION_DELEGATE_H_
   7
   8 namespace net {
   9
  10 // Delegate class receiving notifications when cache or network actions start
  11 // and finish, i.e. when the object starts and finishes waiting on an
  12 // underlying cache or the network.  The owner of a HttpTransaction can use
  13 // this to register a delegate to receive notifications when these events
  14 // happen.
  15 class HttpTransactionDelegate {
  16  public:
  17   virtual ~HttpTransactionDelegate() {}
  18   virtual void OnCacheActionStart() = 0;
  19   virtual void OnCacheActionFinish() = 0;
  20   virtual void OnNetworkActionStart() = 0;
  21   virtual void OnNetworkActionFinish() = 0;
  22 };
  23
  24 }  // namespace net
  25
  26 #endif  // NET_HTTP_HTTP_TRANSACTION_DELEGATE_H_