1 // Copyright 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 SYNC_INTERNAL_API_PUBLIC_HTTP_POST_PROVIDER_FACTORY_H_ 6 #define SYNC_INTERNAL_API_PUBLIC_HTTP_POST_PROVIDER_FACTORY_H_ 7 8 #include <string> 9 10 #include "sync/base/sync_export.h" 11 12 namespace syncer { 13 14 class HttpPostProviderInterface; 15 16 // A factory to create HttpPostProviders to hide details about the 17 // implementations and dependencies. 18 // A factory instance itself should be owned by whomever uses it to create 19 // HttpPostProviders. 20 class SYNC_EXPORT HttpPostProviderFactory { 21 public: ~HttpPostProviderFactory()22 virtual ~HttpPostProviderFactory() {} 23 24 virtual void Init(const std::string& user_agent) = 0; 25 26 // Obtain a new HttpPostProviderInterface instance, owned by caller. 27 virtual HttpPostProviderInterface* Create() = 0; 28 29 // When the interface is no longer needed (ready to be cleaned up), clients 30 // must call Destroy(). 31 // This allows actual HttpPostProvider subclass implementations to be 32 // reference counted, which is useful if a particular implementation uses 33 // multiple threads to serve network requests. 34 virtual void Destroy(HttpPostProviderInterface* http) = 0; 35 }; 36 37 } // namespace syncer 38 39 #endif // SYNC_INTERNAL_API_PUBLIC_HTTP_POST_PROVIDER_FACTORY_H_ 40