chromium/services/network/public/cpp/shared_url_loader_factory.h

// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef SERVICES_NETWORK_PUBLIC_CPP_SHARED_URL_LOADER_FACTORY_H_
#define SERVICES_NETWORK_PUBLIC_CPP_SHARED_URL_LOADER_FACTORY_H_

#include <memory>

#include "base/component_export.h"
#include "base/memory/ref_counted.h"
#include "mojo/public/cpp/bindings/pending_receiver.h"
#include "services/network/public/mojom/url_loader_factory.mojom.h"

namespace network {

class PendingSharedURLLoaderFactory;

// This is a ref-counted C++ interface to replace raw mojom::URLLoaderFactory
// pointers and various factory getters.
// A SharedURLLoaderFactory instance is supposed to be used on a single
// sequence. To use it on a different sequence, use Clone() and pass the
// resulting PendingSharedURLLoaderFactory instance to the target sequence. On
// the target sequence, call SharedURLLoaderFactory::Create() to convert it to a
// new SharedURLLoaderFactory.
class COMPONENT_EXPORT(NETWORK_CPP) SharedURLLoaderFactory
    : public base::RefCounted<SharedURLLoaderFactory>,
      public mojom::URLLoaderFactory { … };

// PendingSharedURLLoaderFactory contains necessary information to construct a
// SharedURLLoaderFactory. It is not sequence safe but can be passed across
// sequences. Please see the comments of SharedURLLoaderFactory for how this
// class is used.
class COMPONENT_EXPORT(NETWORK_CPP) PendingSharedURLLoaderFactory { … };

}  // namespace network

#endif  // SERVICES_NETWORK_PUBLIC_CPP_SHARED_URL_LOADER_FACTORY_H_