Roll src/third_party/WebKit f298044:aa8346d (svn 202628:202629)
[chromium-blink-merge.git] / content / browser / power_monitor_message_broadcaster.cc
blobe862abbfe74be316fddce4b8adcfc0761d24b422
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.
5 #include "content/browser/power_monitor_message_broadcaster.h"
7 #include "base/power_monitor/power_monitor.h"
8 #include "content/common/power_monitor_messages.h"
9 #include "ipc/ipc_sender.h"
11 namespace content {
13 PowerMonitorMessageBroadcaster::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);
21 PowerMonitorMessageBroadcaster::~PowerMonitorMessageBroadcaster() {
22 base::PowerMonitor* power_monitor = base::PowerMonitor::Get();
23 if (power_monitor)
24 power_monitor->RemoveObserver(this);
27 void 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());
34 void PowerMonitorMessageBroadcaster::OnPowerStateChange(bool on_battery_power) {
35 sender_->Send(new PowerMonitorMsg_PowerStateChange(on_battery_power));
38 void PowerMonitorMessageBroadcaster::OnSuspend() {
39 sender_->Send(new PowerMonitorMsg_Suspend());
42 void PowerMonitorMessageBroadcaster::OnResume() {
43 sender_->Send(new PowerMonitorMsg_Resume());
46 } // namespace content