diff -r 000000000000 -r 15bf7259bb7c uiacceltk/hitchcock/ServerCore/Src/alfsrvresourcemanager.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/uiacceltk/hitchcock/ServerCore/Src/alfsrvresourcemanager.cpp	Tue Feb 02 07:56:43 2010 +0200
@@ -0,0 +1,252 @@
+/*
+* Copyright (c) 2007 Nokia Corporation and/or its subsidiary(-ies). 
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:   Manager for cross-session resources.
+*
+*/
+
+
+
+
+#include "alfsrvresourcemanager.h"
+#include "alflogger.h"
+#include "alf/alfappsrvsessionbase.h"
+#include <uiacceltk/HuiDisplay.h>
+
+// Internal flags
+enum TAlfSchedulerFlags
+    {
+    EAlfSchedulerFlagPrimaryDisplayLightsOn     = 0x01,
+    EAlfSchedulerFlagSecondaryDisplayLightsOn   = 0x02,
+    EAlfSchedulerFlagApplicationForeground      = 0x04
+    };
+
+// ======== MEMBER FUNCTIONS ========
+
+// ---------------------------------------------------------------------------
+// Constructor
+// ---------------------------------------------------------------------------
+//
+CAlfSrvResourceManager::CAlfSrvResourceManager( CHuiEnv& aEnv )
+ : iEnv( aEnv )
+    {
+    }
+
+
+// ---------------------------------------------------------------------------
+// ConstructL
+// Checks the initial flag states.
+// ---------------------------------------------------------------------------
+//
+void CAlfSrvResourceManager::ConstructL()
+    {
+	// TODO: Causes random crash during boot, revise
+    // iLight = CHWRMLight::NewL(this); // Calls LightStatusChanged()
+    
+    iFlags |= EAlfSchedulerFlagApplicationForeground;
+
+    // Workaround for non-working light status reports  
+    iFlags |= EAlfSchedulerFlagPrimaryDisplayLightsOn;
+    }
+
+
+// ---------------------------------------------------------------------------
+// NewL
+// ---------------------------------------------------------------------------
+//
+CAlfSrvResourceManager* CAlfSrvResourceManager::NewL( CHuiEnv& aEnv )
+    {
+    CAlfSrvResourceManager* self = new( ELeave ) CAlfSrvResourceManager( aEnv );
+    CleanupStack::PushL( self );
+    self->ConstructL();
+    CleanupStack::Pop( self );
+    return self;
+    }
+
+
+// ---------------------------------------------------------------------------
+// Destructor
+// ---------------------------------------------------------------------------
+//
+CAlfSrvResourceManager::~CAlfSrvResourceManager()
+    {
+    // delete iLight;
+    iActiveSession = NULL;
+    }
+
+
+// ---------------------------------------------------------------------------
+// Called when the application server's window visibility changes.
+// ---------------------------------------------------------------------------
+//
+void CAlfSrvResourceManager::SetServerWindowPartiallyVisible( TBool aVisible )
+    {
+    __ALFLOGSTRING1( "CAlfSrvResourceManager::SetServerWindowPartiallyVisible %d", aVisible )
+    if ( aVisible )
+        {
+        iFlags |= EAlfSchedulerFlagApplicationForeground;
+        }
+    else
+        {
+        iFlags &= ~EAlfSchedulerFlagApplicationForeground;
+        }
+        
+    UpdateSchedulerState();
+    }
+ 
+// ---------------------------------------------------------------------------
+// Called when active session changes.
+// ---------------------------------------------------------------------------
+//   
+void CAlfSrvResourceManager::SetActiveSession( CAlfAppSrvSessionBase* aSession )
+    {
+    __ALFLOGSTRING1( "CAlfSrvResourceManager::SetActiveSession 0x%x", aSession )
+    iActiveSession = aSession;
+    }
+  
+// ---------------------------------------------------------------------------
+// Checks the flags and restarts/pauses the scheduler accordingly.
+// ---------------------------------------------------------------------------
+//  
+void CAlfSrvResourceManager::UpdateSchedulerState()
+    {
+    if ( LightsOn() && 
+         iFlags&EAlfSchedulerFlagApplicationForeground )
+        {
+        // Run the scheduler
+        Run();
+        }
+    // Run the scheduler if there is observer to Screen Buffer.
+    // refer CAlfScreenBuffer and CAlfScreenBufferEventFetcher classes 
+    else if(LightsOn() && iEnv.DisplayCount() > 0 && iEnv.PrimaryDisplay().ScreenBufferObserver() )
+        {
+        Run();
+        }
+    else
+        {
+        // Pause schduler
+        Pause();
+        }
+    }
+
+// ---------------------------------------------------------------------------
+// Restarts the scheduler.
+// ---------------------------------------------------------------------------
+//    
+void CAlfSrvResourceManager::Run()
+    {
+    __ALFLOGSTRING( "CAlfSrvResourceManager::Run")
+    if ( iActiveSession )
+        {
+        if ( iEnv.RefreshMode() != iActiveSession->PreferredRefreshMode() )
+            {
+            iEnv.SetRefreshMode( iActiveSession->PreferredRefreshMode() );
+            }
+        }
+    else
+        {
+        iEnv.SetRefreshMode( EHuiRefreshModeAutomatic );
+        }
+    }
+
+// ---------------------------------------------------------------------------
+// Pauses the scheduler.
+// Current implementation set the refresh mode to manual.
+// ---------------------------------------------------------------------------
+//    
+void CAlfSrvResourceManager::Pause()
+    {
+    if ( iEnv.RefreshMode() == EHuiRefreshModeManual )
+        {
+        return; // Already paused
+        }
+        
+    __ALFLOGSTRING( "CAlfSrvResourceManager::Pause")
+#ifndef SYMBIAN_BUILD_GCE
+    iEnv.SetRefreshMode( EHuiRefreshModeManual );
+#endif
+    }
+
+// ---------------------------------------------------------------------------
+// Checks if either of the display lights are on.
+// ---------------------------------------------------------------------------
+// 
+TBool CAlfSrvResourceManager::LightsOn() const
+    {
+    if ( iFlags&EAlfSchedulerFlagPrimaryDisplayLightsOn ||
+         iFlags&EAlfSchedulerFlagSecondaryDisplayLightsOn )
+        {
+        return ETrue;
+        }
+    return EFalse;
+    }
+    
+// ---------------------------------------------------------------------------
+// From class MHWRMLightObserver.
+// Called when the lights change.
+// ---------------------------------------------------------------------------
+//
+void CAlfSrvResourceManager::LightStatusChanged(TInt aTarget, CHWRMLight::TLightStatus aStatus)
+    {
+    // If set at the end of the function, the UpdateSchedulerState() is called.
+    TBool updateScheduler = EFalse;
+    
+    // Check the primary display
+    if( aTarget&CHWRMLight::EPrimaryDisplay )
+        {
+        if( aStatus == CHWRMLight::ELightOn ||
+            aStatus == CHWRMLight::ELightStatusUnknown )
+            {
+            iFlags |= EAlfSchedulerFlagPrimaryDisplayLightsOn;
+            __ALFLOGSTRING( "CAlfSrvResourceManager::LightStatusChanged Primary ON")
+            }
+        else if( aStatus == CHWRMLight::ELightOff )
+            {
+            iFlags &= ~EAlfSchedulerFlagPrimaryDisplayLightsOn;
+            __ALFLOGSTRING( "CAlfSrvResourceManager::LightStatusChanged Primary OFF")
+            }
+        else
+            {
+            // for PC lint
+            }
+        updateScheduler = ETrue;
+        }
+    
+    // Check the secondary display
+    if ( aTarget&CHWRMLight::ESecondaryDisplay )
+        {
+        if( aStatus == CHWRMLight::ELightOn ||
+            aStatus == CHWRMLight::ELightStatusUnknown )
+            {
+            iFlags |= EAlfSchedulerFlagSecondaryDisplayLightsOn;
+            __ALFLOGSTRING( "CAlfSrvResourceManager::LightStatusChanged Secondary ON")
+            }
+        else if( aStatus == CHWRMLight::ELightOff )
+            {
+            iFlags &= ~EAlfSchedulerFlagSecondaryDisplayLightsOn;
+            __ALFLOGSTRING( "CAlfSrvResourceManager::LightStatusChanged Secondary OFF")
+            }
+        else
+            {
+            // for PC lint
+            }
+        updateScheduler = ETrue;
+        }
+        
+    // update the scheduler state if the light status has been changed.
+    if ( updateScheduler )
+        {
+        UpdateSchedulerState();
+        }
+    }
+