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/*
* Copyright © 2014 Canonical Ltd.
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License version 3,
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* Authored by: Pete Woods <pete.woods@canonical.com>
*/
#ifndef CORE_DBUS_SERVICE_WATCHER_H_
#define CORE_DBUS_SERVICE_WATCHER_H_
#include <core/signal.h>
#include <core/dbus/dbus.h>
#include <core/dbus/visibility.h>
#include <memory>
#include <string>
namespace core
{
namespace dbus
{
class Object;
/**
* @brief Allows watching for bus name owner changes.
*/
class ORG_FREEDESKTOP_DBUS_DLL_PUBLIC ServiceWatcher
{
friend DBus;
public:
typedef std::shared_ptr<ServiceWatcher> Ptr;
ServiceWatcher(const ServiceWatcher& rhs) = delete;
ServiceWatcher& operator=(const ServiceWatcher& rhs) = delete;
bool operator==(const ServiceWatcher&) const = delete;
/**
* @brief Emitted when DBus detects that an owner change has occurred for the specified name.
* @return Signal instance
*/
const core::Signal<std::string, std::string>& owner_changed() const;
/**
* @brief Emitted when DBus detects that an owner has been registered for the specified name.
* @return Signal instance
*/
const core::Signal<void>& service_registered() const;
/**
* @brief Emitted when DBus detects that an owner has been unregistered for the specified name.
* @return Signal instance
*/
const core::Signal<void>& service_unregistered() const;
private:
ServiceWatcher(std::shared_ptr<Object> object, const std::string& name,
DBus::WatchMode watch_mode = DBus::WatchMode::owner_change);
struct Private;
std::shared_ptr<Private> d;
};
}
}
#endif // CORE_DBUS_SERVICE_WATCHER_H_
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