private void PowerSettingChange(IntPtr lParam)
{
POWERBROADCAST_SETTING ps =
(POWERBROADCAST_SETTING)Marshal.PtrToStructure(
lParam, typeof(POWERBROADCAST_SETTING));
IntPtr pData = (IntPtr)((int)lParam + Marshal.SizeOf(ps));
// Handle a change to the power plan.
if (ps.PowerSetting == GUID_POWERSCHEME_PERSONALITY)
{
SetPowerPlan(ps, pData);
}
else
if (ps.DataLength == Marshal.SizeOf(typeof(Int32)))
{
Int32 iData = (Int32)Marshal.PtrToStructure(pData, typeof(Int32));
if (ps.PowerSetting == GUID_BATTERY_PERCENTAGE_REMAINING)
{
SetBatteryLevel(iData);
}
else if (ps.PowerSetting == GUID_MONITOR_POWER_ON)
{
SetMonitorState(iData);
}
else if (ps.PowerSetting == GUID_ACDC_POWER_SOURCE)
{
SetPowerSource(iData);
}
}
}
private void SetPowerPlan(POWERBROADCAST_SETTING ps, IntPtr pData)
{
string eventText;
if (ps.DataLength == Marshal.SizeOf(typeof(Guid)))
{
Guid newPersonality = (Guid)Marshal.PtrToStructure(pData, typeof(Guid));
if (newPersonality == GUID_MAX_POWER_SAVINGS)
{
powerPlan = PowerPlan.PowerSaver;
eventText = "Switched to Max Power savings";
}
else if (newPersonality == GUID_MIN_POWER_SAVINGS)
{
powerPlan = PowerPlan.HighPerformance;
eventText = "Switched to Min Power savings";
}
else if (newPersonality == GUID_TYPICAL_POWER_SAVINGS)
{
powerPlan = PowerPlan.Automatic;
eventText = "Switched to Automatic Power savings";
}
else
{
eventText = "switched to unknown Power savings";
}
}
}
// MONITOR SLEEP DETECTION
protected override void WndProc(ref Message m)
{
if (m.Msg == WM_POWERBROADCAST && m.WParam.ToInt32() == PBT_POWERSETTINGCHANGE)
{
POWERBROADCAST_SETTING ps = (POWERBROADCAST_SETTING)Marshal.PtrToStructure(m.LParam, typeof(POWERBROADCAST_SETTING));
try
{
switch (ps.Data)
{
// defined at http://msdn.microsoft.com/en-us/library/windows/desktop/hh448380(v=vs.85).aspx
case 0:
Monitor_Sleeping = true;
break;
case 1:
Monitor_Sleeping = false;
break;
}
}
catch
{
// failed to communicate
// For now, just ignore. Might be nice to retry in the future.
}
}
base.WndProc(ref m);
}
private static IntPtr WndProc(IntPtr hwnd, int msg, IntPtr wParam, IntPtr lParam, ref bool handled)
{
// We're only interested in WM_POWERBROADCAST (0x0218) messages with wParam of PBT_POWERSETTINGCHANGE (0x8013)
if (msg == 0x0218 && (int)wParam == 0x8013)
{
POWERBROADCAST_SETTING settingMessage =
(POWERBROADCAST_SETTING)Marshal.PtrToStructure(
lParam,
typeof(POWERBROADCAST_SETTING));
// We're only interested if the PowerSetting changed is GUID_POWERSCHEME_PERSONALITY
if (settingMessage.PowerSetting == GUID_POWERSCHEME_PERSONALITY && settingMessage.DataLength == Marshal.SizeOf(typeof(Guid)))
{
try
{
Win32Interop.PowerSchemeChanged?.Invoke(null, EventArgs.Empty);
}
catch
{
// TODO: log? Or is that too expensive here?
}
}
}
handled = false;
return(IntPtr.Zero);
}
public void Message(int msg, IntPtr wParam, IntPtr lParam)
{
if (msg != WM_POWERBROADCAST)
{
return;
}
if (wParam.ToInt32() != PBT_POWERSETTINGCHANGE)
{
return;
}
POWERBROADCAST_SETTING ps = (POWERBROADCAST_SETTING)Marshal.PtrToStructure(lParam, typeof(POWERBROADCAST_SETTING));
if (ps.PowerSetting != GUID_MONITOR_POWER_ON && ps.PowerSetting != GUID_CONSOLE_DISPLAY_STATE)
{
return;
}
if (ps.DataLength != Marshal.SizeOf(typeof(Int32)))
{
return;
}
IntPtr pData = IntPtr.Add(lParam, Marshal.SizeOf(ps));
Int32 iData = (Int32)Marshal.PtrToStructure(pData, typeof(Int32));
Notify(iData == 0);
}
protected override void WndProc(ref Message m)
{
if (m.Msg.Equals(WM_POWERBROADCAST))
{
POWERBROADCAST_SETTING setting = (POWERBROADCAST_SETTING)Marshal.PtrToStructure(m.LParam, typeof(POWERBROADCAST_SETTING));
com.Write("led " + (setting.Data.Equals(0x0) ? "off" : "on"));
}
base.WndProc(ref m);
}
protected override void WndProc(ref Message m)
{
if (m.Msg == UMsg.WM_POWERBROADCAST && m.WParam.ToInt32() == WParam.PBT_POWERSETTINGCHANGE)
{
POWERBROADCAST_SETTING powerBroadcastSetting = (POWERBROADCAST_SETTING)m.GetLParam(typeof(POWERBROADCAST_SETTING));
if (powerBroadcastSetting.PowerSetting == GUID_POWERSCHEME_PERSONALITY)
{
OnPowerSettingChanged();
}
}
base.WndProc(ref m);
}
// Generic power setting change message
private void _ProcessPowerSettingChange(ref IntPtr lResult, IntPtr hwnd, int msg, IntPtr wParam, IntPtr lParam)
{
lResult = IntPtr.Zero;
// Get the structure from the message
var power = new POWERBROADCAST_SETTING();
power.guidPowerSetting = (Guid)Marshal.PtrToStructure(lParam, typeof(Guid));
power.dwDataLength = (uint)Marshal.PtrToStructure(new IntPtr(lParam.ToInt64() + Marshal.SizeOf(typeof(Guid))), typeof(uint));
power.bData = new byte[power.dwDataLength];
Marshal.Copy(new IntPtr(lParam.ToInt64() + Marshal.SizeOf(typeof(Guid))) + Marshal.SizeOf(typeof(uint)), power.bData, 0, power.bData.Length);
// Search internal list, raise event
var pg = _guids.Where((i) => i.Value.Guid == power.guidPowerSetting).First().Value;
pg.RaiseNotified(pg.ParseFunc != null ? pg.ParseFunc(power.bData) : power.bData);
}
private void OnPowerBroadcast(IntPtr wParam, IntPtr lParam)
{
if ((int)wParam == PBT_POWERSETTINGCHANGE)
{
POWERBROADCAST_SETTING ps = (POWERBROADCAST_SETTING)Marshal.PtrToStructure(lParam, typeof(POWERBROADCAST_SETTING));
if (ps.PowerSetting == GUID_LIDSWITCH_STATE_CHANGE)
{
bool isLidOpen = ps.Data != 0;
if (!isLidOpen == _previousLidState)
{
LidStatusChanged(isLidOpen);
}
_previousLidState = isLidOpen;
}
}
}
private void OnPowerBroadcast(IntPtr wParam, IntPtr lParam)
{
Console.WriteLine($"OnPowerBroadcast wParam={wParam}, lParam={lParam}");
if ((int)wParam == PBT_POWERSETTINGCHANGE)
{
POWERBROADCAST_SETTING ps = (POWERBROADCAST_SETTING)Marshal.PtrToStructure(lParam, typeof(POWERBROADCAST_SETTING));
IntPtr pData = (IntPtr)((int)lParam + Marshal.SizeOf(ps));
Int32 iData = (Int32)Marshal.PtrToStructure(pData, typeof(Int32));
if (ps.PowerSetting == GUID_LIDSWITCH_STATE_CHANGE)
{
Console.WriteLine($"ps.PowerSetting: {ps.PowerSetting}");
bool isLidOpen = ps.Data != 0;
if (!isLidOpen == _previousLidState)
{
LidStatusChanged(isLidOpen);
}
_previousLidState = isLidOpen;
}
}
}
internal void HandlePowerBroadcast(IntPtr wParam, IntPtr lParam)
{
var pbt = wParam.ToInt32();
// https://docs.microsoft.com/en-us/windows/win32/power/power-setting-guids
switch (pbt)
{
case PBT_POWERSETTINGCHANGE:
POWERBROADCAST_SETTING pbSetting = (POWERBROADCAST_SETTING)Marshal.PtrToStructure(lParam, typeof(POWERBROADCAST_SETTING));
if (pbSetting.PowerSetting == GUID_SESSION_USER_PRESENCE)
{
// BUGBUG: Data is just a byte and we're lucky the MSB has our value in it
switch (pbSetting.Data)
{
case 0: // PowerUserPresent (0) - The user is providing input to the session.
Logger.Instance.Log4.Info($"ActivityMonitor: PowerBroadcast: The user is providing input to the session.");
//this.Activity("PowerBroadcast: The user is providing input to the session");
break;
case 2: // PowerUserInactive(2) - The user activity timeout has elapsed with no interaction from the user.
_PresencePresumedTimer.Enabled = false;
Logger.Instance.Log4.Info($"ActivityMonitor: PowerBroadcast: The user activity timeout has elapsed with no interaction from the user.");
break;
default:
Logger.Instance.Log4.Error($"ActivityMonitor: PowerBroadcast: Unknown GUID_SESSION_USER_PRESENCE data {pbSetting.Data}.");
break;
}
}
else if (pbSetting.PowerSetting == GUID_SYSTEM_AWAYMODE)
{
// BUGBUG: Data is just a byte and we're lucky the MSB has our value in it
switch (pbSetting.Data)
{
case 0: // 0x0 - The computer is exiting away mode.
Logger.Instance.Log4.Info($"ActivityMonitor: PowerBroadcast: The computer is exiting away mode.");
//this.Activity("PowerBroadcast: The computer is exiting away mode");
break;
case 1: // 0x1 - The computer is entering away mode.
_PresencePresumedTimer.Enabled = false;
Logger.Instance.Log4.Info($"ActivityMonitor: PowerBroadcast: The computer is entering away mode.");
break;
default:
Logger.Instance.Log4.Error($"ActivityMonitor: PowerBroadcast: Unknown GUID_SYSTEM_AWAYMODE data {pbSetting.Data}.");
break;
}
}
else if (pbSetting.PowerSetting == GUID_MONITOR_POWER_ON)
{
// BUGBUG: Data is just a byte and we're lucky the MSB has our value in it
switch (pbSetting.Data)
{
case 0: // 0x0 - The monitor is off.
_PresencePresumedTimer.Enabled = false;
Logger.Instance.Log4.Info($"ActivityMonitor: PowerBroadcast: The monitor is off");
break;
case 1: // 0x1 - The monitor is on.
Logger.Instance.Log4.Info($"ActivityMonitor: PowerBroadcast: The monitor is on");
//this.Activity("PowerBroadcast: The monitor is on.");
break;
default:
Logger.Instance.Log4.Error($"ActivityMonitor: PowerBroadcast: Unknown GUID_MONITOR_POWER_ON data {pbSetting.Data}.");
break;
}
}
break;
default:
Logger.Instance.Log4.Error($"ActivityMonitor: PowerBroadcast: Unknown PBT {pbt}.");
break;
}
}
/// <summary>
/// Check for power state changes, and pass up when it's something we don't care about
/// </summary>
/// <param name="msg">The incoming window message</param>
protected override void WndProc(ref Message msg)
{
if (msg.Msg == WM_SYSCOMMAND && (msg.WParam.ToInt32() & 0xfff0) == SC_SCREENSAVE)
{
// there's no event for screensaver exit
if (!_sstimer.Enabled)
{
// guard against screensaver failing, and resulting in power up and down spam to the tv
TimeSpan diff = DateTime.Now - _lastScreensaverActivated;
if (diff.TotalSeconds > 60)
{
_sstimer.Enabled = true;
_lastScreensaverActivated = DateTime.Now;
Controller.CECActions.SendStandby(CecLogicalAddress.Broadcast);
}
}
}
else if (msg.Msg == WM_POWERBROADCAST)
{
switch (msg.WParam.ToInt32())
{
case PBT_APMSUSPEND:
OnSleep();
return;
case PBT_APMRESUMESUSPEND:
case PBT_APMRESUMECRITICAL:
case PBT_APMRESUMEAUTOMATIC:
OnWake();
return;
case PBT_POWERSETTINGCHANGE:
{
POWERBROADCAST_SETTING pwr = (POWERBROADCAST_SETTING)Marshal.PtrToStructure(msg.LParam, typeof(POWERBROADCAST_SETTING));
if (pwr.PowerSetting == GUID_SYSTEM_AWAYMODE && pwr.DataLength == Marshal.SizeOf(typeof(Int32)))
{
switch (pwr.Data)
{
case 0:
// do _not_ wake the pc when away mode is deactivated
//OnWake();
//return;
case 1:
Controller.CECActions.SendStandby(CecLogicalAddress.Broadcast);
return;
default:
break;
}
}
}
break;
default:
break;
}
}
// pass up when not handled
base.WndProc(ref msg);
}
/// <summary>
/// Transforms a Window/Service Message to PowerEventInfo
/// </summary>
public static PowerEventInfo TransformMessage(ref Message m)
{
if (m.Msg == WM_POWERBROADCAST)
{
switch ((int)m.WParam)
{
case (int)ServicesAPI.SERVICE_CONTROL_POWEREVENT_Control.PBT_APMBATTERYLOW:
return(new PowerEventInfo {
PowerEvent = (ServicesAPI.SERVICE_CONTROL_POWEREVENT_Control)(int)(m.WParam)
});
case (int)ServicesAPI.SERVICE_CONTROL_POWEREVENT_Control.PBT_APMOEMEVENT:
return(new PowerEventInfo {
PowerEvent = (ServicesAPI.SERVICE_CONTROL_POWEREVENT_Control)(int)(m.WParam), OEMEventCode = (int)m.LParam
});
case (int)ServicesAPI.SERVICE_CONTROL_POWEREVENT_Control.PBT_APMPOWERSTATUSCHANGE:
{
var pei = new PowerEventInfo {
PowerEvent = (ServicesAPI.SERVICE_CONTROL_POWEREVENT_Control)(int)(m.WParam)
};
SYSTEM_POWER_STATUS sps = new SYSTEM_POWER_STATUS();
if (GetSystemPowerStatus(out sps))
{
pei.SYSTEM_POWER_STATUS = sps;
}
return(pei);
}
case (int)ServicesAPI.SERVICE_CONTROL_POWEREVENT_Control.PBT_APMQUERYSTANDBY:
return(new PowerEventInfo {
PowerEvent = (ServicesAPI.SERVICE_CONTROL_POWEREVENT_Control)(int)(m.WParam)
});
case (int)ServicesAPI.SERVICE_CONTROL_POWEREVENT_Control.PBT_APMQUERYSTANDBYFAILED:
return(new PowerEventInfo {
PowerEvent = (ServicesAPI.SERVICE_CONTROL_POWEREVENT_Control)(int)(m.WParam)
});
case (int)ServicesAPI.SERVICE_CONTROL_POWEREVENT_Control.PBT_APMQUERYSUSPEND:
return(new PowerEventInfo {
PowerEvent = (ServicesAPI.SERVICE_CONTROL_POWEREVENT_Control)(int)(m.WParam)
});
case (int)ServicesAPI.SERVICE_CONTROL_POWEREVENT_Control.PBT_APMQUERYSUSPENDFAILED:
return(new PowerEventInfo {
PowerEvent = (ServicesAPI.SERVICE_CONTROL_POWEREVENT_Control)(int)(m.WParam)
});
case (int)ServicesAPI.SERVICE_CONTROL_POWEREVENT_Control.PBT_APMRESUMEAUTOMATIC:
return(new PowerEventInfo {
PowerEvent = (ServicesAPI.SERVICE_CONTROL_POWEREVENT_Control)(int)(m.WParam)
});
case (int)ServicesAPI.SERVICE_CONTROL_POWEREVENT_Control.PBT_APMRESUMECRITICAL:
return(new PowerEventInfo {
PowerEvent = (ServicesAPI.SERVICE_CONTROL_POWEREVENT_Control)(int)(m.WParam)
});
case (int)ServicesAPI.SERVICE_CONTROL_POWEREVENT_Control.PBT_APMRESUMESTANDBY:
return(new PowerEventInfo {
PowerEvent = (ServicesAPI.SERVICE_CONTROL_POWEREVENT_Control)(int)(m.WParam)
});
case (int)ServicesAPI.SERVICE_CONTROL_POWEREVENT_Control.PBT_APMRESUMESUSPEND:
return(new PowerEventInfo {
PowerEvent = (ServicesAPI.SERVICE_CONTROL_POWEREVENT_Control)(int)(m.WParam)
});
case (int)ServicesAPI.SERVICE_CONTROL_POWEREVENT_Control.PBT_APMSTANDBY:
return(new PowerEventInfo {
PowerEvent = (ServicesAPI.SERVICE_CONTROL_POWEREVENT_Control)(int)(m.WParam)
});
case (int)ServicesAPI.SERVICE_CONTROL_POWEREVENT_Control.PBT_APMSUSPEND:
return(new PowerEventInfo {
PowerEvent = (ServicesAPI.SERVICE_CONTROL_POWEREVENT_Control)(int)(m.WParam)
});
case (int)ServicesAPI.SERVICE_CONTROL_POWEREVENT_Control.PBT_POWERSETTINGCHANGE:
{
var pei = new PowerEventInfo {
PowerEvent = (ServicesAPI.SERVICE_CONTROL_POWEREVENT_Control)(int)(m.WParam)
};
POWERBROADCAST_SETTING ps = (POWERBROADCAST_SETTING)Marshal.PtrToStructure(m.LParam, typeof(POWERBROADCAST_SETTING));
IntPtr pData = (IntPtr)(m.LParam.ToInt32() + Marshal.SizeOf(ps)); // (*1)
if (ps.PowerSetting == PowerSettings.GUID_POWERSCHEME_PERSONALITY && ps.DataLength == Marshal.SizeOf(typeof(Guid)))
{
Guid newPersonality = (Guid)Marshal.PtrToStructure(pData, typeof(Guid));
if (newPersonality == PowerSettings.GUID_MAX_POWER_SAVINGS)
{
pei.PowerSavingsMode = PowerSavings.Max;
}
else if (newPersonality == PowerSettings.GUID_MIN_POWER_SAVINGS)
{
pei.PowerSavingsMode = PowerSavings.Min;
}
else if (newPersonality == PowerSettings.GUID_TYPICAL_POWER_SAVINGS)
{
pei.PowerSavingsMode = PowerSavings.Typical;
}
else
{
DebugLogger.WriteLine("switched to unknown Power savings");
}
}
else if (ps.PowerSetting == PowerSettings.GUID_ACDC_POWER_SOURCE && ps.DataLength == Marshal.SizeOf(typeof(Int32)))
{
Int32 iData = (Int32)Marshal.PtrToStructure(pData, typeof(Int32));
DebugLogger.WriteLine("ACDC: " + (PoweredBy)iData);
pei.PoweredBy = (PoweredBy)iData;
//onBattery = iData != 0;
}
else if (ps.PowerSetting == PowerSettings.GUID_ACTIVE_POWERSCHEME && ps.DataLength == Marshal.SizeOf(typeof(Guid)))
{
Guid schemeId = (Guid)Marshal.PtrToStructure(pData, typeof(Guid));
pei.CurrentPowerSchemeId = schemeId;
pei.CurrentPowerScheme = ReadPowerSchemeFriendlyName(schemeId);
}
else if ((ps.PowerSetting == PowerSettings.GUID_CONSOLE_DISPLAY_STATE || ps.PowerSetting == PowerSettings.GUID_MONITOR_POWER_ON) && ps.DataLength == Marshal.SizeOf(typeof(Int32)))
{
Int32 iData = (Int32)Marshal.PtrToStructure(pData, typeof(Int32));
DebugLogger.WriteLine("monitor's display state: " + (MonitorDisplayState)iData);
pei.CurrentMonitorDisplayState = (MonitorDisplayState)iData;
}
else if (ps.PowerSetting == PowerSettings.GUID_IDLE_BACKGROUND_TASK)
{
pei.Idle = DateTime.UtcNow;
}
else if (ps.PowerSetting == PowerSettings.GUID_BATTERY_PERCENTAGE_REMAINING)
{
Int32 iData = (Int32)Marshal.PtrToStructure(pData, typeof(Int32));
DebugLogger.WriteLine("Battery Power Remaining: " + iData);
pei.BatteryPowerRemaining = iData;
}
else if (ps.PowerSetting == PowerSettings.GUID_LIDSWITCH_STATE_CHANGE)
{
Int32 iData = (Int32)Marshal.PtrToStructure(pData, typeof(Int32));
DebugLogger.WriteLine("Lid Open: " + iData);
pei.LidOpen = (iData == 1);
}
else
{
DebugLogger.WriteLine("Unknown power setting {0}", ps.PowerSetting);
}
return(pei);
}
}
}
DebugLogger.WriteLine("Unhandled Power notification " + m.ToString());
return(null);
}
public bool WndProc(ref Message msg)
{
if (msg.Msg == WM_POWERBROADCAST)
{
switch (msg.WParam.ToInt32())
{
case PBT_APMSUSPEND:
if (!_sleep)
{
_sleep = true;
Log.Info("CecRemote: PowerControl: System going to sleep, stopping CEC-client...");
if (_client != null)
{
_client.OnSleep();
}
}
else
{
Log.Warn("CecRemote: PowerControl: Received PBT_APMSUSPEND when remote state already suspended");
}
break;
case PBT_APMRESUMESUSPEND:
Log.Info("CecRemote: PowerControl: User input detected after sleep (APMRESUMESUSPEND)");
HandleResume(false);
break;
case PBT_APMRESUMEAUTOMATIC:
Log.Info("CecRemote: PowerControl: System resuming from sleep (APMRESUMEAUTOMATIC)");
HandleResume(true);
break;
// Handle awaymode
case PBT_POWERSETTINGCHANGE:
POWERBROADCAST_SETTING ps = (POWERBROADCAST_SETTING)Marshal.PtrToStructure(msg.LParam, typeof(POWERBROADCAST_SETTING));
if (ps.PowerSetting == GUID_SYSTEM_AWAYMODE)
{
if (ps.Data == 0)
{
if (_away && !_sleep)
{
_away = false;
Log.Info("CecRemote: PowerControl: System exiting away mode");
HandleResume(false);
}
else
{
Log.Warn("CecRemote: PowerControl: Received GUID_SYSTEM_AWAYMODE 0 and sleepmode is {0} and awaymode is {1}", _sleep.ToString(), _away.ToString());
}
}
else
{
if (!_away)
{
_away = true;
Log.Info("CecRemote: PowerControl: System entering away mode");
if (_client != null)
{
_client.OnAwayMode();
}
}
else
{
Log.Warn("CecRemote: PowerControl: Received GUID_SYSTEM_AWAYMODE 1 and awaymode is {0}", _away.ToString());
}
}
}
break;
default:
break;
}
}
return(false); // false = allow other plugins to handle the message
}
