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: ~HttpTransactionDelegate()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_ 27