| // Copyright 2013 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 "services/device/power_monitor/power_monitor_message_broadcaster.h" |
| |
| #include "base/memory/ptr_util.h" |
| #include "base/power_monitor/power_monitor.h" |
| #include "mojo/public/cpp/bindings/strong_binding.h" |
| |
| namespace device { |
| |
| PowerMonitorMessageBroadcaster::PowerMonitorMessageBroadcaster() { |
| base::PowerMonitor* power_monitor = base::PowerMonitor::Get(); |
| if (power_monitor) |
| power_monitor->AddObserver(this); |
| } |
| |
| PowerMonitorMessageBroadcaster::~PowerMonitorMessageBroadcaster() { |
| base::PowerMonitor* power_monitor = base::PowerMonitor::Get(); |
| if (power_monitor) |
| power_monitor->RemoveObserver(this); |
| } |
| |
| // static |
| void PowerMonitorMessageBroadcaster::Bind( |
| device::mojom::PowerMonitorRequest request) { |
| bindings_.AddBinding(this, std::move(request)); |
| } |
| |
| void PowerMonitorMessageBroadcaster::AddClient( |
| device::mojom::PowerMonitorClientPtr power_monitor_client) { |
| clients_.AddPtr(std::move(power_monitor_client)); |
| base::PowerMonitor* power_monitor = base::PowerMonitor::Get(); |
| // Unit tests does not initialize the PowerMonitor. |
| if (power_monitor) { |
| OnPowerStateChange(power_monitor->IsOnBatteryPower()); |
| } |
| } |
| |
| void PowerMonitorMessageBroadcaster::OnPowerStateChange(bool on_battery_power) { |
| clients_.ForAllPtrs([&on_battery_power](mojom::PowerMonitorClient* client) { |
| client->PowerStateChange(on_battery_power); |
| }); |
| } |
| |
| void PowerMonitorMessageBroadcaster::OnSuspend() { |
| clients_.ForAllPtrs( |
| [](mojom::PowerMonitorClient* client) { client->Suspend(); }); |
| } |
| |
| void PowerMonitorMessageBroadcaster::OnResume() { |
| clients_.ForAllPtrs( |
| [](mojom::PowerMonitorClient* client) { client->Resume(); }); |
| } |
| |
| } // namespace device |