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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "device/battery/battery_monitor_impl.h" | 5 #include "services/device/battery/battery_monitor_impl.h" |
6 | 6 |
7 #include <utility> | 7 #include <utility> |
8 | 8 |
9 #include "base/bind.h" | 9 #include "base/bind.h" |
10 #include "base/logging.h" | 10 #include "base/logging.h" |
11 #include "base/memory/ptr_util.h" | 11 #include "base/memory/ptr_util.h" |
12 #include "mojo/public/cpp/bindings/strong_binding.h" | 12 #include "mojo/public/cpp/bindings/strong_binding.h" |
13 | 13 |
14 namespace device { | 14 namespace device { |
15 | 15 |
16 // static | 16 // static |
17 void BatteryMonitorImpl::Create(mojom::BatteryMonitorRequest request) { | 17 void BatteryMonitorImpl::Create(mojom::BatteryMonitorRequest request) { |
18 auto* impl = new BatteryMonitorImpl; | 18 auto* impl = new BatteryMonitorImpl; |
19 auto binding = | 19 auto binding = |
20 mojo::MakeStrongBinding(base::WrapUnique(impl), std::move(request)); | 20 mojo::MakeStrongBinding(base::WrapUnique(impl), std::move(request)); |
21 impl->binding_ = binding; | 21 impl->binding_ = binding; |
22 } | 22 } |
23 | 23 |
24 BatteryMonitorImpl::BatteryMonitorImpl() : status_to_report_(false) { | 24 BatteryMonitorImpl::BatteryMonitorImpl() : status_to_report_(false) { |
25 // NOTE: DidChange may be called before AddCallback returns. This is done to | 25 // NOTE: DidChange may be called before AddCallback returns. This is done to |
26 // report current status. | 26 // report current status. |
27 subscription_ = BatteryStatusService::GetInstance()->AddCallback( | 27 subscription_ = BatteryStatusService::GetInstance()->AddCallback( |
28 base::Bind(&BatteryMonitorImpl::DidChange, base::Unretained(this))); | 28 base::Bind(&BatteryMonitorImpl::DidChange, base::Unretained(this))); |
29 } | 29 } |
30 | 30 |
31 BatteryMonitorImpl::~BatteryMonitorImpl() { | 31 BatteryMonitorImpl::~BatteryMonitorImpl() {} |
32 } | |
33 | 32 |
34 void BatteryMonitorImpl::QueryNextStatus( | 33 void BatteryMonitorImpl::QueryNextStatus( |
35 const QueryNextStatusCallback& callback) { | 34 const QueryNextStatusCallback& callback) { |
36 if (!callback_.is_null()) { | 35 if (!callback_.is_null()) { |
37 DVLOG(1) << "Overlapped call to QueryNextStatus!"; | 36 DVLOG(1) << "Overlapped call to QueryNextStatus!"; |
38 binding_->Close(); | 37 binding_->Close(); |
39 return; | 38 return; |
40 } | 39 } |
41 callback_ = callback; | 40 callback_ = callback; |
42 | 41 |
43 if (status_to_report_) | 42 if (status_to_report_) |
44 ReportStatus(); | 43 ReportStatus(); |
45 } | 44 } |
46 | 45 |
47 void BatteryMonitorImpl::RegisterSubscription() { | 46 void BatteryMonitorImpl::RegisterSubscription() {} |
48 } | |
49 | 47 |
50 void BatteryMonitorImpl::DidChange(const mojom::BatteryStatus& battery_status) { | 48 void BatteryMonitorImpl::DidChange(const mojom::BatteryStatus& battery_status) { |
51 status_ = battery_status; | 49 status_ = battery_status; |
52 status_to_report_ = true; | 50 status_to_report_ = true; |
53 | 51 |
54 if (!callback_.is_null()) | 52 if (!callback_.is_null()) |
55 ReportStatus(); | 53 ReportStatus(); |
56 } | 54 } |
57 | 55 |
58 void BatteryMonitorImpl::ReportStatus() { | 56 void BatteryMonitorImpl::ReportStatus() { |
59 callback_.Run(status_.Clone()); | 57 callback_.Run(status_.Clone()); |
60 callback_.Reset(); | 58 callback_.Reset(); |
61 | 59 |
62 status_to_report_ = false; | 60 status_to_report_ = false; |
63 } | 61 } |
64 | 62 |
65 } // namespace device | 63 } // namespace device |
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