mirror of
https://github.com/klzgrad/naiveproxy.git
synced 2024-12-01 01:36:09 +03:00
53 lines
1.4 KiB
C++
53 lines
1.4 KiB
C++
// Copyright (c) 2012 The Chromium 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 "base/system_monitor/system_monitor.h"
|
|
|
|
#include <utility>
|
|
|
|
#include "base/logging.h"
|
|
#include "base/message_loop/message_loop.h"
|
|
#include "base/time/time.h"
|
|
|
|
namespace base {
|
|
|
|
static SystemMonitor* g_system_monitor = NULL;
|
|
|
|
SystemMonitor::SystemMonitor()
|
|
: devices_changed_observer_list_(
|
|
new ObserverListThreadSafe<DevicesChangedObserver>()) {
|
|
DCHECK(!g_system_monitor);
|
|
g_system_monitor = this;
|
|
}
|
|
|
|
SystemMonitor::~SystemMonitor() {
|
|
DCHECK_EQ(this, g_system_monitor);
|
|
g_system_monitor = NULL;
|
|
}
|
|
|
|
// static
|
|
SystemMonitor* SystemMonitor::Get() {
|
|
return g_system_monitor;
|
|
}
|
|
|
|
void SystemMonitor::ProcessDevicesChanged(DeviceType device_type) {
|
|
NotifyDevicesChanged(device_type);
|
|
}
|
|
|
|
void SystemMonitor::AddDevicesChangedObserver(DevicesChangedObserver* obs) {
|
|
devices_changed_observer_list_->AddObserver(obs);
|
|
}
|
|
|
|
void SystemMonitor::RemoveDevicesChangedObserver(DevicesChangedObserver* obs) {
|
|
devices_changed_observer_list_->RemoveObserver(obs);
|
|
}
|
|
|
|
void SystemMonitor::NotifyDevicesChanged(DeviceType device_type) {
|
|
DVLOG(1) << "DevicesChanged with device type " << device_type;
|
|
devices_changed_observer_list_->Notify(
|
|
FROM_HERE, &DevicesChangedObserver::OnDevicesChanged, device_type);
|
|
}
|
|
|
|
} // namespace base
|