You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
40 lines
1.2 KiB
40 lines
1.2 KiB
// 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
|