hmz007
36ed224bac
Signed-off-by: hmz007 <hmz007@gmail.com> Change-Id: Ib87fdbe7a0be7dc961af3500fe9ea4589a127f9f
40 lines
1.2 KiB
C++
40 lines
1.2 KiB
C++
// Copyright 2015 The Chromium OS Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include <brillo/dbus/dbus_service_watcher.h>
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#include <base/bind.h>
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namespace brillo {
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namespace dbus_utils {
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DBusServiceWatcher::DBusServiceWatcher(
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scoped_refptr<dbus::Bus> bus,
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const std::string& connection_name,
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const base::Closure& on_connection_vanish)
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: bus_{bus},
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connection_name_{connection_name},
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on_connection_vanish_{on_connection_vanish} {
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monitoring_callback_ = base::Bind(
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&DBusServiceWatcher::OnServiceOwnerChange, weak_factory_.GetWeakPtr());
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// Register to listen, and then request the current owner;
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bus_->ListenForServiceOwnerChange(connection_name_, monitoring_callback_);
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bus_->GetServiceOwner(connection_name_, monitoring_callback_);
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}
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DBusServiceWatcher::~DBusServiceWatcher() {
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bus_->UnlistenForServiceOwnerChange(
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connection_name_, monitoring_callback_);
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}
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void DBusServiceWatcher::OnServiceOwnerChange(
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const std::string& service_owner) {
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if (service_owner.empty()) {
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on_connection_vanish_.Run();
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}
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}
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} // namespace dbus_utils
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} // namespace brillo
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