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Refactor ScreenSaver

This commit is contained in:
YoshiRulz 2019-05-01 23:54:55 +10:00
parent 1b5d78c57c
commit 0af5053366
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1 changed files with 43 additions and 57 deletions
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100
BizHawk.Client.EmuHawk/ScreenSaver.cs
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@ -1,80 +1,66 @@
using System;
using System.Runtime.InteropServices;
using System.Runtime.InteropServices;
using BizHawk.Client.Common;
using BizHawk.Common;
namespace BizHawk.Client.EmuHawk
{
// Derived from http://www.codeproject.com/KB/cs/ScreenSaverControl.aspx
/// <remarks>Derived from http://www.codeproject.com/KB/cs/ScreenSaverControl.aspx</remarks>
public static class ScreenSaver
{
private interface PlatformSpecificScreenBlankInterface
private interface IScreenBlankTimer
{
Int32 Get();
void Set(Int32 v);
/// <summary>
/// The screen saver timeout setting, in seconds
/// </summary>
int Duration { get; set; }
}
private class WinScreenBlankInterface : PlatformSpecificScreenBlankInterface
private class Win32ScreenBlankTimer : IScreenBlankTimer
{
[DllImport("user32.dll", CharSet = CharSet.Auto)]
private static extern bool SystemParametersInfo(int uAction, int uParam, ref int lpvParam, int flags);
public Int32 Get()
{
Int32 value = 0;
SystemParametersInfo(SPI_GETSCREENSAVERTIMEOUT, 0, ref value, 0);
return value;
}
public void Set(Int32 v)
{
int nullVar = 0;
SystemParametersInfo(SPI_SETSCREENSAVERTIMEOUT, v, ref nullVar, SPIF_SENDWININICHANGE);
}
}
private class MiscUnixScreenBlankInterface : PlatformSpecificScreenBlankInterface
{
public Int32 Get()
{
return 0; //TODO implement
}
public void Set(Int32 v)
{
//TODO implement
}
}
private static PlatformSpecificScreenBlankInterface screenBlankInterface = PlatformLinkedLibSingleton.CurrentOS == PlatformLinkedLibSingleton.DistinctOS.Windows
? (PlatformSpecificScreenBlankInterface) new WinScreenBlankInterface()
: new MiscUnixScreenBlankInterface();
private const int SPI_GETSCREENSAVERTIMEOUT = 14;
private const int SPI_SETSCREENSAVERTIMEOUT = 15;
private const int SPIF_SENDWININICHANGE = 2;
private const int SPI_GETSCREENSAVERTIMEOUT = 14;
private const int SPI_SETSCREENSAVERTIMEOUT = 15;
private const int SPIF_SENDWININICHANGE = 2;
public int Duration
{
get
{
var value = 0;
SystemParametersInfo(SPI_GETSCREENSAVERTIMEOUT, 0, ref value, 0);
return value;
}
set
{
var nullVar = 0;
SystemParametersInfo(SPI_SETSCREENSAVERTIMEOUT, value, ref nullVar, SPIF_SENDWININICHANGE);
}
}
}
private class UnixScreenBlankTimer : IScreenBlankTimer
{
public int Duration { get; set; } = 0; //TODO implementation
}
private static readonly IScreenBlankTimer _screenBlankTimer = PlatformLinkedLibSingleton.CurrentOS == PlatformLinkedLibSingleton.DistinctOS.Windows
? (IScreenBlankTimer) new Win32ScreenBlankTimer()
: new UnixScreenBlankTimer();
private static int ctr;
public static void ResetTimerImmediate()
{
SetScreenSaverTimeout(GetScreenSaverTimeout());
_screenBlankTimer.Duration = _screenBlankTimer.Duration;
}
private static int ctr;
public static void ResetTimerPeriodically()
{
ctr++;
if (ctr == 120)
{
SetScreenSaverTimeout(GetScreenSaverTimeout());
ctr = 0;
}
}
// Returns the screen saver timeout setting, in seconds
private static Int32 GetScreenSaverTimeout()
{
return screenBlankInterface.Get();
}
// Pass in the number of seconds to set the screen saver timeout value.
private static void SetScreenSaverTimeout(Int32 Value)
{
screenBlankInterface.Set(Value);
if (++ctr < 120) return;
ctr = 0;
ResetTimerImmediate();
}
}
}