using LibCECTray.settings;
using Microsoft.Win32;
using System.Security.Permissions;
+using System.Runtime.InteropServices;
namespace LibCECTray.ui
{
else
OnShow();
};
- SystemEvents.PowerModeChanged += new PowerModeChangedEventHandler(OnPowerModeChanged);
+
SystemEvents.SessionEnding += new SessionEndingEventHandler(OnSessionEnding);
}
Controller.Close();
}
- public void OnPowerModeChanged(Object sender, PowerModeChangedEventArgs e)
+ #region Power state change window messages
+ private const int WM_POWERBROADCAST = 0x0218;
+ private const int PBT_APMSUSPEND = 0x0004;
+ private const int PBT_APMRESUMESUSPEND = 0x0007;
+ private const int PBT_APMRESUMECRITICAL = 0x0006;
+ private const int PBT_APMRESUMEAUTOMATIC = 0x0012;
+ private const int PBT_POWERSETTINGCHANGE = 0x8013;
+ private static Guid GUID_SYSTEM_AWAYMODE = new Guid("98a7f580-01f7-48aa-9c0f-44352c29e5c0");
+
+ [StructLayout(LayoutKind.Sequential, Pack = 4)]
+ internal struct POWERBROADCAST_SETTING
{
- switch (e.Mode)
+ public Guid PowerSetting;
+ public uint DataLength;
+ public byte Data;
+ }
+ #endregion
+
+ /// <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_POWERBROADCAST)
{
- case PowerModes.Resume:
- Controller.Initialise();
- break;
- case PowerModes.Suspend:
- Controller.Close();
- break;
- case PowerModes.StatusChange:
- break;
+ 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:
+ OnWake();
+ return;
+ case 1:
+ OnSleep();
+ return;
+ default:
+ break;
+ }
+ }
+ }
+ break;
+ default:
+ break;
+ }
}
+
+ // pass up when not handled
+ base.WndProc(ref msg);
+ }
+
+ private void OnWake()
+ {
+ Controller.Initialise();
+ }
+
+ private void OnSleep()
+ {
+ Controller.Close();
}
public override sealed string Text