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comparison: ipc/chromium/src/base/system_monitor_win.cc
ipc/chromium/src/base/system_monitor_win.cc
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| -1:000000000000 | 0:08c94e24850c |
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| 1 // Copyright (c) 2008 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 "base/system_monitor.h" | |
| 6 | |
| 7 namespace base { | |
| 8 | |
| 9 void SystemMonitor::ProcessWmPowerBroadcastMessage(int event_id) { | |
| 10 PowerEvent power_event; | |
| 11 switch (event_id) { | |
| 12 case PBT_APMPOWERSTATUSCHANGE: // The power status changed. | |
| 13 power_event = POWER_STATE_EVENT; | |
| 14 break; | |
| 15 case PBT_APMRESUMEAUTOMATIC: // Non-user initiated resume from suspend. | |
| 16 case PBT_APMRESUMESUSPEND: // User initiated resume from suspend. | |
| 17 power_event = RESUME_EVENT; | |
| 18 break; | |
| 19 case PBT_APMSUSPEND: // System has been suspended. | |
| 20 power_event = SUSPEND_EVENT; | |
| 21 break; | |
| 22 default: | |
| 23 return; | |
| 24 | |
| 25 // Other Power Events: | |
| 26 // PBT_APMBATTERYLOW - removed in Vista. | |
| 27 // PBT_APMOEMEVENT - removed in Vista. | |
| 28 // PBT_APMQUERYSUSPEND - removed in Vista. | |
| 29 // PBT_APMQUERYSUSPENDFAILED - removed in Vista. | |
| 30 // PBT_APMRESUMECRITICAL - removed in Vista. | |
| 31 // PBT_POWERSETTINGCHANGE - user changed the power settings. | |
| 32 } | |
| 33 ProcessPowerMessage(power_event); | |
| 34 } | |
| 35 | |
| 36 // Function to query the system to see if it is currently running on | |
| 37 // battery power. Returns true if running on battery. | |
| 38 bool SystemMonitor::IsBatteryPower() { | |
| 39 SYSTEM_POWER_STATUS status; | |
| 40 if (!GetSystemPowerStatus(&status)) { | |
| 41 CHROMIUM_LOG(ERROR) << "GetSystemPowerStatus failed: " << GetLastError(); | |
| 42 return false; | |
| 43 } | |
| 44 return (status.ACLineStatus == 0); | |
| 45 } | |
| 46 | |
| 47 | |
| 48 | |
| 49 } // namespace base |
