1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/ipc/chromium/src/base/system_monitor_win.cc Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,49 @@
1.4 +// Copyright (c) 2008 The Chromium Authors. All rights reserved.
1.5 +// Use of this source code is governed by a BSD-style license that can be
1.6 +// found in the LICENSE file.
1.7 +
1.8 +#include "base/system_monitor.h"
1.9 +
1.10 +namespace base {
1.11 +
1.12 +void SystemMonitor::ProcessWmPowerBroadcastMessage(int event_id) {
1.13 + PowerEvent power_event;
1.14 + switch (event_id) {
1.15 + case PBT_APMPOWERSTATUSCHANGE: // The power status changed.
1.16 + power_event = POWER_STATE_EVENT;
1.17 + break;
1.18 + case PBT_APMRESUMEAUTOMATIC: // Non-user initiated resume from suspend.
1.19 + case PBT_APMRESUMESUSPEND: // User initiated resume from suspend.
1.20 + power_event = RESUME_EVENT;
1.21 + break;
1.22 + case PBT_APMSUSPEND: // System has been suspended.
1.23 + power_event = SUSPEND_EVENT;
1.24 + break;
1.25 + default:
1.26 + return;
1.27 +
1.28 + // Other Power Events:
1.29 + // PBT_APMBATTERYLOW - removed in Vista.
1.30 + // PBT_APMOEMEVENT - removed in Vista.
1.31 + // PBT_APMQUERYSUSPEND - removed in Vista.
1.32 + // PBT_APMQUERYSUSPENDFAILED - removed in Vista.
1.33 + // PBT_APMRESUMECRITICAL - removed in Vista.
1.34 + // PBT_POWERSETTINGCHANGE - user changed the power settings.
1.35 + }
1.36 + ProcessPowerMessage(power_event);
1.37 +}
1.38 +
1.39 +// Function to query the system to see if it is currently running on
1.40 +// battery power. Returns true if running on battery.
1.41 +bool SystemMonitor::IsBatteryPower() {
1.42 + SYSTEM_POWER_STATUS status;
1.43 + if (!GetSystemPowerStatus(&status)) {
1.44 + CHROMIUM_LOG(ERROR) << "GetSystemPowerStatus failed: " << GetLastError();
1.45 + return false;
1.46 + }
1.47 + return (status.ACLineStatus == 0);
1.48 +}
1.49 +
1.50 +
1.51 +
1.52 +} // namespace base
