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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 "mojo/public/cpp/bindings/strong_binding.h" | |
9 | |
10 namespace content { | |
11 | |
12 PowerMonitorMessageBroadcaster::PowerMonitorMessageBroadcaster() { | |
13 base::PowerMonitor* power_monitor = base::PowerMonitor::Get(); | |
14 if (power_monitor) | |
15 power_monitor->AddObserver(this); | |
16 } | |
17 | |
18 PowerMonitorMessageBroadcaster::~PowerMonitorMessageBroadcaster() { | |
19 base::PowerMonitor* power_monitor = base::PowerMonitor::Get(); | |
20 if (power_monitor) | |
21 power_monitor->RemoveObserver(this); | |
22 } | |
23 | |
24 // static | |
25 void PowerMonitorMessageBroadcaster::Create( | |
26 device::mojom::PowerMonitorRequest request) { | |
27 mojo::MakeStrongBinding(base::MakeUnique<PowerMonitorMessageBroadcaster>(), | |
28 std::move(request)); | |
29 } | |
30 | |
31 void PowerMonitorMessageBroadcaster::SetClient( | |
32 device::mojom::PowerMonitorClientPtr power_monitor_client) { | |
33 power_monitor_client_ = std::move(power_monitor_client); | |
34 base::PowerMonitor* power_monitor = base::PowerMonitor::Get(); | |
35 // Unit tests does not initialize the PowerMonitor. | |
36 if (power_monitor) | |
37 OnPowerStateChange(power_monitor->IsOnBatteryPower()); | |
38 } | |
39 | |
40 void PowerMonitorMessageBroadcaster::OnPowerStateChange(bool on_battery_power) { | |
41 if (power_monitor_client_) { | |
42 power_monitor_client_->PowerStateChange(on_battery_power); | |
43 } | |
44 } | |
45 | |
46 void PowerMonitorMessageBroadcaster::OnSuspend() { | |
47 if (power_monitor_client_) { | |
48 power_monitor_client_->Suspend(); | |
49 } | |
50 } | |
51 | |
52 void PowerMonitorMessageBroadcaster::OnResume() { | |
53 if (power_monitor_client_) { | |
54 power_monitor_client_->Resume(); | |
55 } | |
56 } | |
57 | |
58 } // namespace content | |
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