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      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 
     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);
     19 }
     20 
     21 PowerMonitorMessageBroadcaster::~PowerMonitorMessageBroadcaster() {
     22   base::PowerMonitor* power_monitor = base::PowerMonitor::Get();
     23   if (power_monitor)
     24     power_monitor->RemoveObserver(this);
     25 }
     26 
     27 void PowerMonitorMessageBroadcaster::OnPowerStateChange(bool on_battery_power) {
     28   sender_->Send(new PowerMonitorMsg_PowerStateChange(on_battery_power));
     29 }
     30 
     31 void PowerMonitorMessageBroadcaster::OnSuspend() {
     32   sender_->Send(new PowerMonitorMsg_Suspend());
     33 }
     34 
     35 void PowerMonitorMessageBroadcaster::OnResume() {
     36   sender_->Send(new PowerMonitorMsg_Resume());
     37 }
     38 
     39 }  // namespace content
     40