Move services/shell to services/service_manager

services/shell/public/cpp/service_runner.h

-// Copyright 2014 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 SERVICES_SHELL_PUBLIC_CPP_SERVICE_RUNNER_H_
-#define SERVICES_SHELL_PUBLIC_CPP_SERVICE_RUNNER_H_
-
-#include <memory>
-
-#include "base/message_loop/message_loop.h"
-#include "mojo/public/cpp/system/core.h"
-
-namespace shell {
-
-class Service;
-class ServiceContext;
-
-// A utility for running a Service that uses //base. The typical use case is to
-// use from your ServiceMain:
-//
-//  MojoResult ServiceMain(MojoHandle service_request_handle) {
-//    shell::ServiceRunner runner(new MyService);
-//    return runner.Run(service_request_handle);
-//  }
-//
-// ServiceRunner takes care of chromium environment initialization and
-// shutdown, and starting a base::MessageLoop from which your service can run
-// and ultimately Quit().
-class ServiceRunner {
- public:
-  // Takes ownership of |service|.
-  explicit ServiceRunner(Service* service);
-  ~ServiceRunner();
-
-  static void InitBaseCommandLine();
-
-  void set_message_loop_type(base::MessageLoop::Type type);
-
-  // Once the various parameters have been set above, use Run to initialize an
-  // ServiceContext wired to the provided delegate, and run a MessageLoop until
-  // the service exits.
-  //
-  // Iff |init_base| is true, the runner will perform some initialization of
-  // base globals (e.g. CommandLine and AtExitManager) before starting the
-  // service.
-  MojoResult Run(MojoHandle shell_handle, bool init_base);
-
-  // Calls Run above with |init_base| set to |true|.
-  MojoResult Run(MojoHandle shell_handle);
-
-  // Allows the caller to shut down the connection with the Service Manager.
-  // After the Service Manager notices the pipe has closed, it will no longer
-  // track an instance of this service, though this service may continue to run
-  // and handle requests from others.
-  void DestroyServiceContext();
-
-  // Allows the caller to explicitly quit the service. Must be called from
-  // the thread which created the ServiceRunner.
-  void Quit();
-
- private:
-  std::unique_ptr<Service> service_;
-
-  // MessageLoop type. Default is TYPE_DEFAULT.
-  base::MessageLoop::Type message_loop_type_;
-  // Whether Run() has been called.
-  bool has_run_;
-
-  DISALLOW_COPY_AND_ASSIGN(ServiceRunner);
-};
-
-}  // namespace shell
-
-#endif  // SERVICES_SHELL_PUBLIC_CPP_SERVICE_RUNNER_H_