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 11 namespace content { 12 PowerMonitorMessageBroadcaster(IPC::Sender * sender)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 ~PowerMonitorMessageBroadcaster()21PowerMonitorMessageBroadcaster::~PowerMonitorMessageBroadcaster() { 22 base::PowerMonitor* power_monitor = base::PowerMonitor::Get(); 23 if (power_monitor) 24 power_monitor->RemoveObserver(this); 25 } 26 Init()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 OnPowerStateChange(bool on_battery_power)34void PowerMonitorMessageBroadcaster::OnPowerStateChange(bool on_battery_power) { 35 sender_->Send(new PowerMonitorMsg_PowerStateChange(on_battery_power)); 36 } 37 OnSuspend()38void PowerMonitorMessageBroadcaster::OnSuspend() { 39 sender_->Send(new PowerMonitorMsg_Suspend()); 40 } 41 OnResume()42void PowerMonitorMessageBroadcaster::OnResume() { 43 sender_->Send(new PowerMonitorMsg_Resume()); 44 } 45 46 } // namespace content 47