1// Copyright 2013 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#include "content/browser/power_monitor_message_broadcaster.h"
6
7#include "base/power_monitor/power_monitor.h"
8#include "content/common/power_monitor_messages.h"
9#include "ipc/ipc_sender.h"
10
11namespace content {
12
13PowerMonitorMessageBroadcaster::PowerMonitorMessageBroadcaster(
14    IPC::Sender* sender)
15    : sender_(sender) {
16  base::PowerMonitor* power_monitor = base::PowerMonitor::Get();
17  if (power_monitor)
18    power_monitor->AddObserver(this);
19}
20
21PowerMonitorMessageBroadcaster::~PowerMonitorMessageBroadcaster() {
22  base::PowerMonitor* power_monitor = base::PowerMonitor::Get();
23  if (power_monitor)
24    power_monitor->RemoveObserver(this);
25}
26
27void PowerMonitorMessageBroadcaster::Init() {
28  base::PowerMonitor* power_monitor = base::PowerMonitor::Get();
29  // Unit tests does not initialize the PowerMonitor.
30  if (power_monitor)
31    OnPowerStateChange(power_monitor->IsOnBatteryPower());
32}
33
34void PowerMonitorMessageBroadcaster::OnPowerStateChange(bool on_battery_power) {
35  sender_->Send(new PowerMonitorMsg_PowerStateChange(on_battery_power));
36}
37
38void PowerMonitorMessageBroadcaster::OnSuspend() {
39  sender_->Send(new PowerMonitorMsg_Suspend());
40}
41
42void PowerMonitorMessageBroadcaster::OnResume() {
43  sender_->Send(new PowerMonitorMsg_Resume());
44}
45
46}  // namespace content
47