Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(26)

Side by Side Diff: base/power_monitor/power_monitor_device_source_win.cc

Issue 17074009: Created multi-process-friendly PowerMonitor interface. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Android Fixed Created 7 years, 5 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View unified diff | Download patch | Annotate | Revision Log
OLDNEW
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
OLDNEW

Powered by Google App Engine
This is Rietveld 408576698