ipc/chromium/src/base/system_monitor_win.cc@6474c204b198 (annotated)
ipc/chromium/src/base/system_monitor_win.cc
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
| michael@0 | 1 | // Copyright (c) 2008 The Chromium Authors. All rights reserved. |
| michael@0 | 2 | // Use of this source code is governed by a BSD-style license that can be |
| michael@0 | 3 | // found in the LICENSE file. |
| michael@0 | 4 | |
| michael@0 | 5 | #include "base/system_monitor.h" |
| michael@0 | 6 | |
| michael@0 | 7 | namespace base { |
| michael@0 | 8 | |
| michael@0 | 9 | void SystemMonitor::ProcessWmPowerBroadcastMessage(int event_id) { |
| michael@0 | 10 | PowerEvent power_event; |
| michael@0 | 11 | switch (event_id) { |
| michael@0 | 12 | case PBT_APMPOWERSTATUSCHANGE: // The power status changed. |
| michael@0 | 13 | power_event = POWER_STATE_EVENT; |
| michael@0 | 14 | break; |
| michael@0 | 15 | case PBT_APMRESUMEAUTOMATIC: // Non-user initiated resume from suspend. |
| michael@0 | 16 | case PBT_APMRESUMESUSPEND: // User initiated resume from suspend. |
| michael@0 | 17 | power_event = RESUME_EVENT; |
| michael@0 | 18 | break; |
| michael@0 | 19 | case PBT_APMSUSPEND: // System has been suspended. |
| michael@0 | 20 | power_event = SUSPEND_EVENT; |
| michael@0 | 21 | break; |
| michael@0 | 22 | default: |
| michael@0 | 23 | return; |
| michael@0 | 24 | |
| michael@0 | 25 | // Other Power Events: |
| michael@0 | 26 | // PBT_APMBATTERYLOW - removed in Vista. |
| michael@0 | 27 | // PBT_APMOEMEVENT - removed in Vista. |
| michael@0 | 28 | // PBT_APMQUERYSUSPEND - removed in Vista. |
| michael@0 | 29 | // PBT_APMQUERYSUSPENDFAILED - removed in Vista. |
| michael@0 | 30 | // PBT_APMRESUMECRITICAL - removed in Vista. |
| michael@0 | 31 | // PBT_POWERSETTINGCHANGE - user changed the power settings. |
| michael@0 | 32 | } |
| michael@0 | 33 | ProcessPowerMessage(power_event); |
| michael@0 | 34 | } |
| michael@0 | 35 | |
| michael@0 | 36 | // Function to query the system to see if it is currently running on |
| michael@0 | 37 | // battery power. Returns true if running on battery. |
| michael@0 | 38 | bool SystemMonitor::IsBatteryPower() { |
| michael@0 | 39 | SYSTEM_POWER_STATUS status; |
| michael@0 | 40 | if (!GetSystemPowerStatus(&status)) { |
| michael@0 | 41 | CHROMIUM_LOG(ERROR) << "GetSystemPowerStatus failed: " << GetLastError(); |
| michael@0 | 42 | return false; |
| michael@0 | 43 | } |
| michael@0 | 44 | return (status.ACLineStatus == 0); |
| michael@0 | 45 | } |
| michael@0 | 46 | |
| michael@0 | 47 | |
| michael@0 | 48 | |
| michael@0 | 49 | } // namespace base |
