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1 // Copyright 2013 The Chromium Authors. All rights reserved. | 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 | 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 "base/power_monitor/power_monitor.h" | 5 #include "base/power_monitor/power_monitor.h" |
6 | 6 #include "base/power_monitor/power_monitor_device_source.h" |
7 #include "base/win/wrapped_window_proc.h" | 7 #include "base/win/wrapped_window_proc.h" |
8 | 8 |
9 namespace base { | 9 namespace base { |
10 | 10 |
11 void ProcessPowerEventHelper(PowerMonitorSource::PowerEvent event) { | |
12 DCHECK(PowerMonitor::Get()); | |
13 if (PowerMonitor::Get()) | |
14 PowerMonitor::Get()->Source()->ProcessPowerEvent(event); | |
15 } | |
16 | |
11 namespace { | 17 namespace { |
12 | 18 |
13 const wchar_t kWindowClassName[] = L"Base_PowerMessageWindow"; | 19 const wchar_t kWindowClassName[] = L"Base_PowerMessageWindow"; |
14 | 20 |
15 } // namespace | 21 } // namespace |
16 | 22 |
17 // Function to query the system to see if it is currently running on | 23 // Function to query the system to see if it is currently running on |
18 // battery power. Returns true if running on battery. | 24 // battery power. Returns true if running on battery. |
19 bool PowerMonitor::IsBatteryPower() { | 25 bool PowerMonitorDeviceSource::IsBatteryPower() { |
20 SYSTEM_POWER_STATUS status; | 26 SYSTEM_POWER_STATUS status; |
21 if (!GetSystemPowerStatus(&status)) { | 27 if (!GetSystemPowerStatus(&status)) { |
22 DLOG_GETLASTERROR(ERROR) << "GetSystemPowerStatus failed"; | 28 DLOG_GETLASTERROR(ERROR) << "GetSystemPowerStatus failed"; |
23 return false; | 29 return false; |
24 } | 30 } |
25 return (status.ACLineStatus == 0); | 31 return (status.ACLineStatus == 0); |
26 } | 32 } |
27 | 33 |
28 PowerMonitor::PowerMessageWindow::PowerMessageWindow() | 34 PowerMonitorDeviceSource::PowerMessageWindow::PowerMessageWindow() |
29 : instance_(NULL), message_hwnd_(NULL) { | 35 : instance_(NULL), message_hwnd_(NULL) { |
30 if (MessageLoop::current()->type() != MessageLoop::TYPE_UI) { | 36 if (MessageLoop::current()->type() != MessageLoop::TYPE_UI) { |
31 // Creating this window in (e.g.) a renderer inhibits shutdown on Windows. | 37 // Creating this window in (e.g.) a renderer inhibits shutdown on Windows. |
32 // See http://crbug.com/230122. TODO(vandebo): http://crbug.com/236031 | 38 // See http://crbug.com/230122. TODO(vandebo): http://crbug.com/236031 |
33 DLOG(ERROR) | 39 DLOG(ERROR) |
34 << "Cannot create windows on non-UI thread, power monitor disabled!"; | 40 << "Cannot create windows on non-UI thread, power monitor disabled!"; |
35 return; | 41 return; |
36 } | 42 } |
37 WNDCLASSEX window_class; | 43 WNDCLASSEX window_class; |
38 base::win::InitializeWindowClass( | 44 base::win::InitializeWindowClass( |
39 kWindowClassName, | 45 kWindowClassName, |
40 &base::win::WrappedWindowProc< | 46 &base::win::WrappedWindowProc< |
41 PowerMonitor::PowerMessageWindow::WndProcThunk>, | 47 PowerMonitorDeviceSource::PowerMessageWindow::WndProcThunk>, |
42 0, 0, 0, NULL, NULL, NULL, NULL, NULL, | 48 0, 0, 0, NULL, NULL, NULL, NULL, NULL, |
43 &window_class); | 49 &window_class); |
44 instance_ = window_class.hInstance; | 50 instance_ = window_class.hInstance; |
45 ATOM clazz = RegisterClassEx(&window_class); | 51 ATOM clazz = RegisterClassEx(&window_class); |
46 DCHECK(clazz); | 52 DCHECK(clazz); |
47 | 53 |
48 message_hwnd_ = CreateWindowEx(WS_EX_NOACTIVATE, kWindowClassName, | 54 message_hwnd_ = CreateWindowEx(WS_EX_NOACTIVATE, kWindowClassName, |
49 NULL, WS_POPUP, 0, 0, 0, 0, NULL, NULL, instance_, NULL); | 55 NULL, WS_POPUP, 0, 0, 0, 0, NULL, NULL, instance_, NULL); |
50 SetWindowLongPtr(message_hwnd_, GWLP_USERDATA, | 56 SetWindowLongPtr(message_hwnd_, GWLP_USERDATA, |
51 reinterpret_cast<LONG_PTR>(this)); | 57 reinterpret_cast<LONG_PTR>(this)); |
52 } | 58 } |
53 | 59 |
54 PowerMonitor::PowerMessageWindow::~PowerMessageWindow() { | 60 PowerMonitorDeviceSource::PowerMessageWindow::~PowerMessageWindow() { |
55 if (message_hwnd_) { | 61 if (message_hwnd_) { |
56 DestroyWindow(message_hwnd_); | 62 DestroyWindow(message_hwnd_); |
57 UnregisterClass(kWindowClassName, instance_); | 63 UnregisterClass(kWindowClassName, instance_); |
58 } | 64 } |
59 } | 65 } |
60 | 66 |
61 void PowerMonitor::PowerMessageWindow::ProcessWmPowerBroadcastMessage( | 67 void |
68 PowerMonitorDeviceSource::PowerMessageWindow::ProcessWmPowerBroadcastMessage( | |
62 int event_id) { | 69 int event_id) { |
63 PowerMonitor::PowerEvent power_event; | 70 PowerMonitorSource::PowerEvent power_event; |
vandebo (ex-Chrome)
2013/07/09 22:22:08
IWYU: power_monitor_source.h
| |
64 switch (event_id) { | 71 switch (event_id) { |
65 case PBT_APMPOWERSTATUSCHANGE: // The power status changed. | 72 case PBT_APMPOWERSTATUSCHANGE: // The power status changed. |
66 power_event = PowerMonitor::POWER_STATE_EVENT; | 73 power_event = PowerMonitorSource::POWER_STATE_EVENT; |
67 break; | 74 break; |
68 case PBT_APMRESUMEAUTOMATIC: // Resume from suspend. | 75 case PBT_APMRESUMEAUTOMATIC: // Resume from suspend. |
69 //case PBT_APMRESUMESUSPEND: // User-initiated resume from suspend. | 76 //case PBT_APMRESUMESUSPEND: // User-initiated resume from suspend. |
70 // We don't notify for this latter event | 77 // We don't notify for this latter event |
71 // because if it occurs it is always sent as a | 78 // because if it occurs it is always sent as a |
72 // second event after PBT_APMRESUMEAUTOMATIC. | 79 // second event after PBT_APMRESUMEAUTOMATIC. |
73 power_event = PowerMonitor::RESUME_EVENT; | 80 power_event = PowerMonitorSource::RESUME_EVENT; |
74 break; | 81 break; |
75 case PBT_APMSUSPEND: // System has been suspended. | 82 case PBT_APMSUSPEND: // System has been suspended. |
76 power_event = PowerMonitor::SUSPEND_EVENT; | 83 power_event = PowerMonitorSource::SUSPEND_EVENT; |
77 break; | 84 break; |
78 default: | 85 default: |
79 return; | 86 return; |
80 | 87 |
81 // Other Power Events: | 88 // Other Power Events: |
82 // PBT_APMBATTERYLOW - removed in Vista. | 89 // PBT_APMBATTERYLOW - removed in Vista. |
83 // PBT_APMOEMEVENT - removed in Vista. | 90 // PBT_APMOEMEVENT - removed in Vista. |
84 // PBT_APMQUERYSUSPEND - removed in Vista. | 91 // PBT_APMQUERYSUSPEND - removed in Vista. |
85 // PBT_APMQUERYSUSPENDFAILED - removed in Vista. | 92 // PBT_APMQUERYSUSPENDFAILED - removed in Vista. |
86 // PBT_APMRESUMECRITICAL - removed in Vista. | 93 // PBT_APMRESUMECRITICAL - removed in Vista. |
87 // PBT_POWERSETTINGCHANGE - user changed the power settings. | 94 // PBT_POWERSETTINGCHANGE - user changed the power settings. |
88 } | 95 } |
89 | 96 |
90 PowerMonitor::Get()->ProcessPowerEvent(power_event); | 97 ProcessPowerEventHelper(power_event); |
91 } | 98 } |
92 | 99 |
93 LRESULT CALLBACK PowerMonitor::PowerMessageWindow::WndProc( | 100 LRESULT CALLBACK PowerMonitorDeviceSource::PowerMessageWindow::WndProc( |
94 HWND hwnd, UINT message, WPARAM wparam, LPARAM lparam) { | 101 HWND hwnd, UINT message, WPARAM wparam, LPARAM lparam) { |
95 switch (message) { | 102 switch (message) { |
96 case WM_POWERBROADCAST: { | 103 case WM_POWERBROADCAST: { |
97 DWORD power_event = static_cast<DWORD>(message); | 104 DWORD power_event = static_cast<DWORD>(message); |
98 ProcessWmPowerBroadcastMessage(power_event); | 105 ProcessWmPowerBroadcastMessage(power_event); |
99 return TRUE; | 106 return TRUE; |
100 } | 107 } |
101 default: | 108 default: |
102 break; | 109 break; |
103 } | 110 } |
104 return ::DefWindowProc(hwnd, message, wparam, lparam); | 111 return ::DefWindowProc(hwnd, message, wparam, lparam); |
105 } | 112 } |
106 | 113 |
107 // static | 114 // static |
108 LRESULT CALLBACK PowerMonitor::PowerMessageWindow::WndProcThunk( | 115 LRESULT CALLBACK PowerMonitorDeviceSource::PowerMessageWindow::WndProcThunk( |
109 HWND hwnd, UINT message, WPARAM wparam, LPARAM lparam) { | 116 HWND hwnd, UINT message, WPARAM wparam, LPARAM lparam) { |
110 PowerMonitor::PowerMessageWindow* message_hwnd = | 117 PowerMonitorDeviceSource::PowerMessageWindow* message_hwnd = |
111 reinterpret_cast<PowerMonitor::PowerMessageWindow*>( | 118 reinterpret_cast<PowerMonitorDeviceSource::PowerMessageWindow*>( |
112 GetWindowLongPtr(hwnd, GWLP_USERDATA)); | 119 GetWindowLongPtr(hwnd, GWLP_USERDATA)); |
113 if (message_hwnd) | 120 if (message_hwnd) |
114 return message_hwnd->WndProc(hwnd, message, wparam, lparam); | 121 return message_hwnd->WndProc(hwnd, message, wparam, lparam); |
115 return ::DefWindowProc(hwnd, message, wparam, lparam); | 122 return ::DefWindowProc(hwnd, message, wparam, lparam); |
116 } | 123 } |
117 | 124 |
118 } // namespace base | 125 } // namespace base |
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