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Side by Side Diff: content/browser/power_monitor_message_broadcaster.cc

Issue 2460823002: Decouple Power Monitor from //content. (Closed)
Patch Set: code rebase Created 4 years, 1 month ago
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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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