From be4f6702f44761783f169ffde3c7bcf71dd89a26 Mon Sep 17 00:00:00 2001
From: Magnus Olsen <magnus@greatlord.com>
Date: Fri, 7 Jul 2006 16:22:46 +0000
Subject: [PATCH] Change in the auto screen saver startup code in win32k 1.
 Fixing allot better sync for the timeout counter 2. Change the hard code
 value to 30 sec instead for 15 sec 3. The start of screen saver are 30.0 sec
 to 30.9 sec for    we can not start on exactly on the x.0 sec but betwin

svn path=/trunk/; revision=22900
---
 .../subsystems/win32/win32k/ntuser/input.c    | 72 +++++++++++++------
 1 file changed, 50 insertions(+), 22 deletions(-)

diff --git a/reactos/subsystems/win32/win32k/ntuser/input.c b/reactos/subsystems/win32/win32k/ntuser/input.c
index 162eb7c2f38..86e842716e3 100644
--- a/reactos/subsystems/win32/win32k/ntuser/input.c
+++ b/reactos/subsystems/win32/win32k/ntuser/input.c
@@ -41,6 +41,8 @@ extern BYTE gQueueKeyStateTable[];
 
 static HANDLE ScreenSaverThreadHandle;
 static CLIENT_ID ScreenSaverThreadId;
+static LARGE_INTEGER  MouseInputCurrentTime;
+static LARGE_INTEGER  KeyboardInputCurrentTime;
 
 static HANDLE MouseDeviceHandle;
 static HANDLE MouseThreadHandle;
@@ -50,7 +52,6 @@ static CLIENT_ID KeyboardThreadId;
 static HANDLE KeyboardDeviceHandle;
 static KEVENT InputThreadsStart;
 static BOOLEAN InputThreadsRunning = FALSE;
-static BOOLEAN ScreenSaverRunning = FALSE;
 PUSER_MESSAGE_QUEUE pmPrimitiveMessageQueue = 0;
 
 /* FUNCTIONS *****************************************************************/
@@ -157,11 +158,25 @@ ScreenSaverThreadMain(PVOID StartContext)
 {
 	KEVENT Event;         
     LARGE_INTEGER Timeout;
+	LARGE_INTEGER DelayTimer;
+    LARGE_INTEGER CurrentTime;
+    LARGE_INTEGER DiffTimeMouse;
+    LARGE_INTEGER DiffTimeKeyboard;
+	LARGE_INTEGER OldTimeMouse;
+    LARGE_INTEGER OldTimeKeyboard;
 	NTSTATUS Status;
-
+	
 	KeSetPriorityThread(&PsGetCurrentThread()->Tcb,
                         LOW_REALTIME_PRIORITY + 3);
 
+	KeQuerySystemTime(&MouseInputCurrentTime);
+    KeQuerySystemTime(&KeyboardInputCurrentTime);
+
+	OldTimeMouse.QuadPart = MouseInputCurrentTime.QuadPart;
+    OldTimeKeyboard.QuadPart = MouseInputCurrentTime.QuadPart;
+
+	 DelayTimer.QuadPart = -10000000LL;  /* 1 second timeout */
+
 	for(;;)
 	{	  
       DPRINT("Screen Saver auto start Thread Waiting for start event\n");
@@ -172,17 +187,17 @@ ScreenSaverThreadMain(PVOID StartContext)
                                      NULL);
       DPRINT("Screen Saver auto start Thread Starting...\n");
 	  while(InputThreadsRunning)
-	  {
-		  NTSTATUS OldStatus;
+	  {		
          /* FIXME 
             1. read timeout value from reg 
             2. read timeout value from spi msg             
          */
-		 OldStatus = STATUS_SUCCESS;
-
-	     Timeout.QuadPart = -150000000LL;  /* 15 second timeout */
+		          
+         /* 30 second timeout  This value should be read from register */
+	     Timeout.QuadPart = 300000000LL;  
+		
 	     KeInitializeEvent(&Event, NotificationEvent, FALSE);
-	     Status = KeWaitForSingleObject(&Event, Executive, KernelMode, FALSE, &Timeout); 
+	     Status = KeWaitForSingleObject(&Event, Executive, KernelMode, FALSE, &DelayTimer); 
 
 		 if(Status == STATUS_ALERTED && !InputThreadsRunning)
          {
@@ -193,18 +208,31 @@ ScreenSaverThreadMain(PVOID StartContext)
             DPRINT1("Win32K: Failed to read from Screen Saver auto thread.\n");
             return; //(Status);
          }
+           
+         KeQuerySystemTime(&CurrentTime);
+		 DiffTimeMouse.QuadPart = CurrentTime.QuadPart - MouseInputCurrentTime.QuadPart;
+		 DiffTimeKeyboard.QuadPart = CurrentTime.QuadPart - KeyboardInputCurrentTime.QuadPart;
+		         
+	     if ( DiffTimeMouse.QuadPart >= Timeout.QuadPart && 
+			  DiffTimeKeyboard.QuadPart >= Timeout.QuadPart &&
+			  OldTimeMouse.QuadPart != MouseInputCurrentTime.QuadPart &&
+              OldTimeKeyboard.QuadPart != MouseInputCurrentTime.QuadPart)
+         { 				  
+			 DPRINT1("Keyboard and Mouse TimeOut Starting Screen Saver ...\n");    
+             DPRINT1("Keyboard Timeout counter was %I64d\n",DiffTimeKeyboard.QuadPart); 
+             DPRINT1("Mouse Timeout counter was %I64d\n",DiffTimeMouse.QuadPart); 
 
+             CSR_API_MESSAGE Request;                               
 
-	     if ((Status == STATUS_TIMEOUT) && (ScreenSaverRunning == FALSE))
-         { 			
-            DPRINT1("Keyboard and Mouse TimeOut Starting Screen Saver...\n");    
-            CSR_API_MESSAGE Request;                                    
-			ScreenSaverRunning = TRUE;
-            CsrInit();
-            Request.Type = MAKE_CSR_API(START_SCREEN_SAVER, CSR_GUI);
-			Request.Data.StartScreenSaver.Start = TRUE;  			                     			   
-            co_CsrNotifyScreenSaver(&Request );                          
-          }        
+             OldTimeMouse.QuadPart = MouseInputCurrentTime.QuadPart;
+			 OldTimeKeyboard.QuadPart = MouseInputCurrentTime.QuadPart;
+
+             CsrInit();
+             Request.Type = MAKE_CSR_API(START_SCREEN_SAVER, CSR_GUI);
+			 Request.Data.StartScreenSaver.Start = TRUE;  			                     			   
+             co_CsrNotifyScreenSaver(&Request );        			             
+         }  
+		 
 	  }
 	  DPRINT("Screen Saver auto start Thread Stopped...\n");
 	}
@@ -286,8 +314,8 @@ MouseThreadMain(PVOID StartContext)
          }
          DPRINT("MouseEvent\n");
 
-		 ScreenSaverRunning = FALSE;
-
+		 KeQuerySystemTime(&MouseInputCurrentTime);
+         		 
          UserEnterExclusive();
 
          ProcessMouseInputData(&MouseInput, Iosb.Information / sizeof(MOUSE_INPUT_DATA));
@@ -596,7 +624,7 @@ KeyboardThreadMain(PVOID StartContext)
             return; //(Status);
          }
 
-		 ScreenSaverRunning = FALSE;
+		 KeQuerySystemTime(&KeyboardInputCurrentTime);
 
          /* Update modifier state */
          fsModifiers = IntKeyboardGetModifiers(&KeyInput);
@@ -845,7 +873,7 @@ NTSTATUS FASTCALL
 InitInputImpl(VOID)
 {
    NTSTATUS Status;
-
+  	 
    KeInitializeEvent(&InputThreadsStart, NotificationEvent, FALSE);
 
    Status = PsCreateSystemThread(&KeyboardThreadHandle,