chromium/chrome/browser/ash/fileapi/external_file_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 CHROME_BROWSER_ASH_FILEAPI_EXTERNAL_FILE_URL_LOADER_FACTORY_H_
#define CHROME_BROWSER_ASH_FILEAPI_EXTERNAL_FILE_URL_LOADER_FACTORY_H_

#include "base/memory/raw_ptr.h"
#include "mojo/public/cpp/bindings/pending_receiver.h"
#include "mojo/public/cpp/bindings/pending_remote.h"
#include "mojo/public/cpp/bindings/receiver_set.h"
#include "services/network/public/cpp/self_deleting_url_loader_factory.h"
#include "services/network/public/mojom/url_loader_factory.mojom.h"

namespace ash {

// URLLoaderFactory that creates URLLoader instances for URLs with the
// externalfile scheme.
class ExternalFileURLLoaderFactory
    : public network::SelfDeletingURLLoaderFactory {
 public:
  // Returns mojo::PendingRemote to a newly constructed
  // ExternalFileURLLoaderFactory.  The factory is self-owned - it will delete
  // itself once there are no more receivers (including the receiver associated
  // with the returned mojo::PendingRemote and the receivers bound by the Clone
  // method).
  //
  // |render_process_host_id| is used to verify that the child process has
  // permission to request the URL. It should be
  // ChildProcessHost::kInvalidUniqueID for navigations.
  static mojo::PendingRemote<network::mojom::URLLoaderFactory> Create(
      void* profile_id,
      int render_process_host_id);

  ExternalFileURLLoaderFactory(const ExternalFileURLLoaderFactory&) = delete;
  ExternalFileURLLoaderFactory& operator=(const ExternalFileURLLoaderFactory&) =
      delete;

 private:
  ExternalFileURLLoaderFactory(
      void* profile_id,
      int render_process_host_id,
      mojo::PendingReceiver<network::mojom::URLLoaderFactory> factory_receiver);

  ~ExternalFileURLLoaderFactory() override;

  friend class ExternalFileURLLoaderFactoryTest;

  // network::mojom::URLLoaderFactory:
  void CreateLoaderAndStart(
      mojo::PendingReceiver<network::mojom::URLLoader> loader,
      int32_t request_id,
      uint32_t options,
      const network::ResourceRequest& request,
      mojo::PendingRemote<network::mojom::URLLoaderClient> client,
      const net::MutableNetworkTrafficAnnotationTag& traffic_annotation)
      override;

  raw_ptr<void, DanglingUntriaged> profile_id_;
  const int render_process_host_id_;
};

}  // namespace ash

#endif  // CHROME_BROWSER_ASH_FILEAPI_EXTERNAL_FILE_URL_LOADER_FACTORY_H_