diff options
Diffstat (limited to 'MediaBrowser.ServerApplication/Native/Standby.cs')
| -rw-r--r-- | MediaBrowser.ServerApplication/Native/Standby.cs | 40 |
1 files changed, 26 insertions, 14 deletions
diff --git a/MediaBrowser.ServerApplication/Native/Standby.cs b/MediaBrowser.ServerApplication/Native/Standby.cs index 274c72b25..919709538 100644 --- a/MediaBrowser.ServerApplication/Native/Standby.cs +++ b/MediaBrowser.ServerApplication/Native/Standby.cs @@ -1,4 +1,5 @@ -using System.Runtime.InteropServices; +using System; +using System.Runtime.InteropServices; namespace MediaBrowser.ServerApplication.Native { @@ -7,11 +8,33 @@ namespace MediaBrowser.ServerApplication.Native /// </summary> public static class Standby { - public static void PreventSystemStandby() + public static void PreventSleepAndMonitorOff() { - SystemHelper.ResetStandbyTimer(); + NativeMethods.SetThreadExecutionState(NativeMethods.ES_CONTINUOUS | NativeMethods.ES_SYSTEM_REQUIRED | NativeMethods.ES_DISPLAY_REQUIRED); } + public static void PreventSleep() + { + NativeMethods.SetThreadExecutionState(NativeMethods.ES_CONTINUOUS | NativeMethods.ES_SYSTEM_REQUIRED); + } + + // Clear EXECUTION_STATE flags to allow the system to sleep and turn off monitor normally + public static void AllowSleep() + { + NativeMethods.SetThreadExecutionState(NativeMethods.ES_CONTINUOUS); + } + + internal static class NativeMethods + { + // Import SetThreadExecutionState Win32 API and necessary flags + [DllImport("kernel32.dll", CharSet = CharSet.Auto, SetLastError = true)] + public static extern uint SetThreadExecutionState(uint esFlags); + public const uint ES_CONTINUOUS = 0x80000000; + public const uint ES_SYSTEM_REQUIRED = 0x00000001; + public const uint ES_DISPLAY_REQUIRED = 0x00000002; + } + + [Flags] internal enum EXECUTION_STATE : uint { ES_NONE = 0, @@ -21,16 +44,5 @@ namespace MediaBrowser.ServerApplication.Native ES_AWAYMODE_REQUIRED = 0x00000040, ES_CONTINUOUS = 0x80000000 } - - public class SystemHelper - { - [DllImport("kernel32.dll", CharSet = CharSet.Auto, SetLastError = true)] - static extern EXECUTION_STATE SetThreadExecutionState(EXECUTION_STATE esFlags); - - public static void ResetStandbyTimer() - { - EXECUTION_STATE es = SetThreadExecutionState(EXECUTION_STATE.ES_SYSTEM_REQUIRED); - } - } } } |