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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; using BizHawk.Common;
namespace BizHawk.Client.EmuHawk 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 public static class ScreenSaver
{ {
private interface PlatformSpecificScreenBlankInterface private interface IScreenBlankTimer
{ {
Int32 Get(); /// <summary>
void Set(Int32 v); /// 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)] [DllImport("user32.dll", CharSet = CharSet.Auto)]
private static extern bool SystemParametersInfo(int uAction, int uParam, ref int lpvParam, int flags); 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_GETSCREENSAVERTIMEOUT = 14;
private const int SPI_SETSCREENSAVERTIMEOUT = 15; private const int SPI_SETSCREENSAVERTIMEOUT = 15;
private const int SPIF_SENDWININICHANGE = 2; 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() public static void ResetTimerImmediate()
{ {
SetScreenSaverTimeout(GetScreenSaverTimeout()); _screenBlankTimer.Duration = _screenBlankTimer.Duration;
} }
private static int ctr;
public static void ResetTimerPeriodically() public static void ResetTimerPeriodically()
{ {
ctr++; if (++ctr < 120) return;
if (ctr == 120) ctr = 0;
{ ResetTimerImmediate();
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);
} }
} }
} }