peridot/bin/sessionmgr/entity_provider_runner/entity_provider_launcher.h

// Copyright 2017 The Fuchsia 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 PERIDOT_BIN_SESSIONMGR_ENTITY_PROVIDER_RUNNER_ENTITY_PROVIDER_LAUNCHER_H_
#define PERIDOT_BIN_SESSIONMGR_ENTITY_PROVIDER_RUNNER_ENTITY_PROVIDER_LAUNCHER_H_

#include <string>

#include <fuchsia/modular/cpp/fidl.h>
#include <lib/fidl/cpp/interface_request.h>
#include <lib/fxl/macros.h>

namespace modular {

// An interface for launching EntityProviders. This interface helps break the
// dependency cycle between |AgentRunner| and |EntityProviderRunner|.
class EntityProviderLauncher {
 public:
  // Connects to the entity provider service of the agent at the specified
  // |agent_url|.
  //
  // |agent_controller_request| is used to keep the agent running. Once dropped,
  // the agent may be killed and the entity provider will thus be dropped.
  virtual void ConnectToEntityProvider(
      const std::string& provider_uri,
      fidl::InterfaceRequest<fuchsia::modular::EntityProvider>
          entity_provider_request,
      fidl::InterfaceRequest<fuchsia::modular::AgentController>
          agent_controller_request) = 0;

  // Connets to the entity provider service for the story with the given
  // |story_id|.
  //
  // If no such story is found, the request is dropped.
  virtual void ConnectToStoryEntityProvider(
      const std::string& provider_uri,
      fidl::InterfaceRequest<fuchsia::modular::EntityProvider>
          entity_provider_request) = 0;

 protected:
  virtual ~EntityProviderLauncher();
};

}  // namespace modular

#endif  // PERIDOT_BIN_SESSIONMGR_ENTITY_PROVIDER_RUNNER_ENTITY_PROVIDER_LAUNCHER_H_