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// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROMEOS_ASH_COMPONENTS_DBUS_SERVICES_CROS_DBUS_SERVICE_H_
#define CHROMEOS_ASH_COMPONENTS_DBUS_SERVICES_CROS_DBUS_SERVICE_H_
#include <memory>
#include <string>
#include <vector>
#include "base/memory/ref_counted.h"
#include "base/threading/platform_thread.h"
namespace dbus {
class Bus;
class ExportedObject;
class ObjectPath;
} // namespace dbus
namespace ash {
// CrosDBusService is used to run a D-Bus service inside Chrome for Chrome OS.
// It exports D-Bus methods through service provider classes that implement
// CrosDBusService::ServiceProviderInterface.
class CrosDBusService {
public:
// CrosDBusService consists of service providers that implement this
// interface.
class ServiceProviderInterface {
public:
// Starts the service provider. |exported_object| is used to export
// D-Bus methods.
virtual void Start(
scoped_refptr<dbus::ExportedObject> exported_object) = 0;
virtual ~ServiceProviderInterface();
};
using ServiceProviderList =
std::vector<std::unique_ptr<ServiceProviderInterface>>;
// Creates, starts, and returns a new instance owning |service_name| and
// exporting |service_providers|'s methods on |object_path|. If not null,
// |system_bus| is used for the service, otherwise a fake/stub implementation
// is used.
static std::unique_ptr<CrosDBusService> Create(
dbus::Bus* system_bus,
const std::string& service_name,
const dbus::ObjectPath& object_path,
ServiceProviderList service_providers);
// Creates a ServiceProviderList containing a single provider.
static ServiceProviderList CreateServiceProviderList(
std::unique_ptr<ServiceProviderInterface> provider);
CrosDBusService(const CrosDBusService&) = delete;
CrosDBusService& operator=(const CrosDBusService&) = delete;
virtual ~CrosDBusService();
protected:
CrosDBusService();
private:
friend class CrosDBusServiceTest;
// Creates, starts, and returns a real implementation of CrosDBusService that
// uses |bus|. Called by Create(), but can also be called directly by tests
// that need a non-stub implementation even when not running on a device.
static std::unique_ptr<CrosDBusService> CreateRealImpl(
dbus::Bus* bus,
const std::string& service_name,
const dbus::ObjectPath& object_path,
ServiceProviderList service_providers);
};
} // namespace ash
#endif // CHROMEOS_ASH_COMPONENTS_DBUS_SERVICES_CROS_DBUS_SERVICE_H_
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