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// Copyright 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef COMPONENTS_SYNC_ENGINE_NET_HTTP_POST_PROVIDER_FACTORY_H_
#define COMPONENTS_SYNC_ENGINE_NET_HTTP_POST_PROVIDER_FACTORY_H_
#include <string>
#include "base/callback.h"
namespace net {
class URLFetcher;
}
namespace syncer {
using BindToTrackerCallback = base::Callback<void(net::URLFetcher*)>;
class HttpPostProviderInterface;
// A factory to create HttpPostProviders to hide details about the
// implementations and dependencies.
// A factory instance itself should be owned by whomever uses it to create
// HttpPostProviders.
class HttpPostProviderFactory {
public:
virtual ~HttpPostProviderFactory() {}
virtual void Init(const std::string& user_agent,
const BindToTrackerCallback& bind_to_tracker_callback) = 0;
// Obtain a new HttpPostProviderInterface instance, owned by caller.
virtual HttpPostProviderInterface* Create() = 0;
// When the interface is no longer needed (ready to be cleaned up), clients
// must call Destroy().
// This allows actual HttpPostProvider subclass implementations to be
// reference counted, which is useful if a particular implementation uses
// multiple threads to serve network requests.
virtual void Destroy(HttpPostProviderInterface* http) = 0;
};
} // namespace syncer
#endif // COMPONENTS_SYNC_ENGINE_NET_HTTP_POST_PROVIDER_FACTORY_H_