chromecast/browser/cast_extension_url_loader_factory.h

// Copyright 2019 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 CHROMECAST_BROWSER_CAST_EXTENSION_URL_LOADER_FACTORY_H_
#define CHROMECAST_BROWSER_CAST_EXTENSION_URL_LOADER_FACTORY_H_

#include <memory>

#include "base/macros.h"
#include "mojo/public/cpp/bindings/binding_set.h"
#include "services/network/public/cpp/shared_url_loader_factory.h"
#include "services/network/public/mojom/url_loader_factory.mojom.h"

namespace content {
class BrowserContext;
}

namespace extensions {
class ExtensionRegistry;
}

namespace chromecast {
namespace shell {

// URLLoaderFactory that creates URLLoader instances for URLs with the
// extension scheme. Cast uses its own factory that resues the extensions
// URLLoader implementation because Cast sometimes loads extension resources
// from the web.
class CastExtensionURLLoaderFactory : public network::mojom::URLLoaderFactory {
 public:
  // |extension_factory| is the default extension factory that will be used if
  // the request isn't fetched from the web.
  CastExtensionURLLoaderFactory(
      content::BrowserContext* browser_context,
      std::unique_ptr<network::mojom::URLLoaderFactory> extension_factory);
  ~CastExtensionURLLoaderFactory() override;

 private:
  // network::mojom::URLLoaderFactory:
  void CreateLoaderAndStart(network::mojom::URLLoaderRequest loader_request,
                            int32_t routing_id,
                            int32_t request_id,
                            uint32_t options,
                            const network::ResourceRequest& request,
                            network::mojom::URLLoaderClientPtr client,
                            const net::MutableNetworkTrafficAnnotationTag&
                                traffic_annotation) override;
  void Clone(network::mojom::URLLoaderFactoryRequest factory_request) override;

  mojo::BindingSet<network::mojom::URLLoaderFactory> bindings_;
  extensions::ExtensionRegistry* extension_registry_;
  std::unique_ptr<network::mojom::URLLoaderFactory> extension_factory_;
  scoped_refptr<network::SharedURLLoaderFactory> network_factory_;

  DISALLOW_COPY_AND_ASSIGN(CastExtensionURLLoaderFactory);
};

}  // namespace shell
}  // namespace chromecast

#endif  // CHROMECAST_BROWSER_CAST_EXTENSION_URL_LOADER_FACTORY_H_