| // Copyright 2015 The Chromium OS Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include <brillo/dbus/dbus_service_watcher.h> |
| |
| #include <base/bind.h> |
| |
| namespace brillo { |
| namespace dbus_utils { |
| |
| DBusServiceWatcher::DBusServiceWatcher( |
| scoped_refptr<dbus::Bus> bus, |
| const std::string& connection_name, |
| const base::Closure& on_connection_vanish) |
| : bus_{bus}, |
| connection_name_{connection_name}, |
| on_connection_vanish_{on_connection_vanish} { |
| monitoring_callback_ = base::Bind(&DBusServiceWatcher::OnServiceOwnerChange, |
| weak_factory_.GetWeakPtr()); |
| // Register to listen, and then request the current owner; |
| bus_->ListenForServiceOwnerChange(connection_name_, monitoring_callback_); |
| bus_->GetServiceOwner(connection_name_, monitoring_callback_); |
| } |
| |
| DBusServiceWatcher::~DBusServiceWatcher() { |
| bus_->UnlistenForServiceOwnerChange(connection_name_, monitoring_callback_); |
| } |
| |
| void DBusServiceWatcher::OnServiceOwnerChange( |
| const std::string& service_owner) { |
| if (service_owner.empty()) { |
| on_connection_vanish_.Run(); |
| } |
| } |
| |
| } // namespace dbus_utils |
| } // namespace brillo |
