dlls/kernel32/powermgnt.c

   1 /*
   2  * Copyright 1995 Thomas Sandford (tdgsandf@prds-grn.demon.co.uk)
   3  * Copyright 2003 Dimitrie O. Paun
   4  *
   5  * This library is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU Lesser General Public
   7  * License as published by the Free Software Foundation; either
   8  * version 2.1 of the License, or (at your option) any later version.
   9  *
  10  * This library is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * Lesser General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU Lesser General Public
  16  * License along with this library; if not, write to the Free Software
  17  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  18  */
  19
  20 #include <stdarg.h>
  21
  22 #include "windef.h"
  23 #include "winbase.h"
  24 #include "wine/debug.h"
  25
  26 WINE_DEFAULT_DEBUG_CHANNEL(powermgnt);
  27
  28 /******************************************************************************
  29  *           GetDevicePowerState   (KERNEL32.@)
  30  */
  31 BOOL WINAPI GetDevicePowerState(HANDLE hDevice, BOOL* pfOn)
  32 {
  33     WARN("(hDevice %p pfOn %p): stub\n", hDevice, pfOn);
  34     return TRUE; /* no information */
  35 }
  36
  37 /***********************************************************************
  38  *           GetSystemPowerStatus      (KERNEL32.@)
  39  */
  40 BOOL WINAPI GetSystemPowerStatus(LPSYSTEM_POWER_STATUS ps)
  41 {
  42     WARN("(%p): stub, harmless.\n", ps);
  43
  44     if (ps)
  45     {
  46         ps->ACLineStatus        = 255;
  47         ps->BatteryFlag         = 255;
  48         ps->BatteryLifePercent  = 255;
  49         ps->Reserved1           = 0;
  50         ps->BatteryLifeTime     = ~0u;
  51         ps->BatteryFullLifeTime = ~0u;
  52         return TRUE;
  53     }
  54     return FALSE;
  55 }
  56
  57 /***********************************************************************
  58  *           IsSystemResumeAutomatic   (KERNEL32.@)
  59  */
  60 BOOL WINAPI IsSystemResumeAutomatic(void)
  61 {
  62     WARN("(): stub, harmless.\n");
  63     return FALSE;
  64 }
  65
  66 /***********************************************************************
  67  *           RequestWakeupLatency      (KERNEL32.@)
  68  */
  69 BOOL WINAPI RequestWakeupLatency(LATENCY_TIME latency)
  70 {
  71     WARN("(): stub, harmless.\n");
  72     return TRUE;
  73 }
  74
  75 /***********************************************************************
  76  *           SetSystemPowerState      (KERNEL32.@)
  77  */
  78 BOOL WINAPI SetSystemPowerState(BOOL suspend_or_hibernate,
  79                                   BOOL force_flag)
  80 {
  81     WARN("(): stub, harmless.\n");
  82     return TRUE;
  83 }
  84
  85 /***********************************************************************
  86  * SetThreadExecutionState (KERNEL32.@)
  87  *
  88  * Informs the system that activity is taking place for
  89  * power management purposes.
  90  */
  91 EXECUTION_STATE WINAPI SetThreadExecutionState(EXECUTION_STATE flags)
  92 {
  93     static EXECUTION_STATE current =
  94         ES_SYSTEM_REQUIRED | ES_DISPLAY_REQUIRED | ES_USER_PRESENT;
  95     EXECUTION_STATE old = current;
  96
  97     WARN("(0x%x): stub, harmless.\n", flags);
  98
  99     if (!(current & ES_CONTINUOUS) || (flags & ES_CONTINUOUS))
 100         current = flags;
 101     return old;
 102 }