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 12namespace syncer { 13 14class 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. 20class SYNC_EXPORT HttpPostProviderFactory { 21 public: 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