--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/uiacceltk/hitchcock/ServerCore/Src/alfsrvsettingshandler.cpp	Tue Feb 02 07:56:43 2010 +0200
@@ -0,0 +1,286 @@
+/*
+* 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:   Settings handler
+*
+*/
+
+
+
+#include "alfsrvsettingshandler.h"
+#include "uiacceltkdomaincrkeys.h"
+#include "alf/alfappui.h"
+
+#include <centralrepository.h>
+
+const TInt KAlfSrvDefaultRenderer = EHuiRendererBitgdi;
+const TInt KAlfSrvDefaultFrameRate = 22;
+const TInt KAlfSrvDefaultCpuUsage = 75;
+const TInt KAlfSrvDefaultResourceCacheSize = 1000;
+const TInt KAlfSrvDefaultComplexityFactor = 7;
+const TInt KAlfSrvDefaultHwConfiguration = 0;
+
+const TUint KAlfSrvRndBitMask = 0x00ff; // the lowest 8 bits are for the complexity factor
+
+// ======== MEMBER FUNCTIONS ========
+
+// ---------------------------------------------------------------------------
+// ?description_if_needed
+// ---------------------------------------------------------------------------
+//
+CAlfSrvSettingsHandler::CAlfSrvSettingsHandler( MAlfSrvSettingsObserver& aObserver )
+ : CActive( EPriorityStandard ), iObserver( aObserver )
+    {
+    CActiveScheduler::Add( this );
+    }
+
+
+// ---------------------------------------------------------------------------
+// ?description_if_needed
+// ---------------------------------------------------------------------------
+//
+void CAlfSrvSettingsHandler::ConstructL()
+    {
+    // TRAP before the cenrep key exists in builds
+    TRAP_IGNORE( iCentralRepository = CRepository::NewL( KCRUidUIAccelTK ) )
+    }
+
+// ---------------------------------------------------------------------------
+// ?description_if_needed
+// ---------------------------------------------------------------------------
+//
+CAlfSrvSettingsHandler* CAlfSrvSettingsHandler::NewL( MAlfSrvSettingsObserver& aObserver )
+    {
+    CAlfSrvSettingsHandler* self = new( ELeave ) CAlfSrvSettingsHandler( aObserver );
+    CleanupStack::PushL( self );
+    self->ConstructL();
+    CleanupStack::Pop( self );
+    return self;
+    }
+
+
+// ---------------------------------------------------------------------------
+// ?description_if_needed
+// ---------------------------------------------------------------------------
+//
+CAlfSrvSettingsHandler::~CAlfSrvSettingsHandler()
+    {
+    Cancel();
+    delete iCentralRepository;
+    }
+
+// ---------------------------------------------------------------------------
+// ?implementation_description
+// ---------------------------------------------------------------------------
+//
+void CAlfSrvSettingsHandler::StartObserving()
+    {
+    if ( !IsActive() )
+        {
+        // order notification for all keys in repository  
+        iCentralRepository->NotifyRequest(0x00000000, 0x00000000, iStatus);
+        SetActive();
+        }
+    }
+
+THuiRenderer CAlfSrvSettingsHandler::Renderer()
+    {
+    TInt result = KAlfSrvDefaultRenderer;
+    if ( !iCentralRepository ) 
+        {
+        return static_cast<THuiRenderer>(result);
+        }
+        
+    if ( iCentralRepository->Get( KUIAccelTKRenderer,result ) == KErrNone )
+        {
+        StartObserving();
+        }
+    
+    return static_cast<THuiRenderer>(result);
+    }
+    
+TUint CAlfSrvSettingsHandler::DefaultFramerate()
+    {
+    TInt result = KAlfSrvDefaultFrameRate;
+    if ( !iCentralRepository ) 
+        {
+        return result;
+        }
+        
+    if ( iCentralRepository->Get( KUIAccelTKDefaultFrameRate,result ) == KErrNone )
+        {
+        StartObserving();
+        }
+    
+    return result;
+    }
+    
+TUint CAlfSrvSettingsHandler::MaxCpuUsage()
+    {
+    // Update cached value only if it is not initialized
+    TInt result = KAlfSrvDefaultCpuUsage;
+    if (iMaxCpuUsage == 0)
+    	{    	
+    	if ( !iCentralRepository ) 
+        	{
+    		iMaxCpuUsage = result;
+        	return result;
+        	}
+        	
+    	if ( iCentralRepository->Get( KUIAccelTKMaxCpuUsage, result ) == KErrNone )
+        	{
+        	// Store value to cache (iMaxCpuUsage)
+        	iMaxCpuUsage = result;
+        	StartObserving();
+        	}
+    	}
+    else
+        {
+        // Use cached value
+        result = iMaxCpuUsage;    
+        }	
+    	
+    return result;
+    }
+    
+TUint CAlfSrvSettingsHandler::MaxResourceCacheSize()
+    {
+    TInt result = KAlfSrvDefaultResourceCacheSize;
+    if ( !iCentralRepository ) 
+        {
+        return result;
+        }
+        
+    if ( iCentralRepository->Get( KUIAccelTKMaxResourceCache,result ) == KErrNone )
+        {
+        StartObserving();
+        }
+    
+    return result;
+    }
+    
+TUint CAlfSrvSettingsHandler::EffectsComplexityFactor()
+    {
+    TInt result = KAlfSrvDefaultComplexityFactor;
+    if ( !iCentralRepository ) 
+        {
+        return result;
+        }
+        
+    if ( iCentralRepository->Get( KUIAccelTKEffectsComplexityFactor,result ) == KErrNone )
+        {
+        result = result&KAlfSrvRndBitMask; // remove Rnd flags
+        
+        StartObserving();
+        }
+    
+    return result;
+    }
+    
+TUint CAlfSrvSettingsHandler::HWDriverConfiguration()
+    {
+    TInt result = KAlfSrvDefaultHwConfiguration;
+    if ( !iCentralRepository ) 
+        {
+        return result;
+        }
+        
+    if ( iCentralRepository->Get( KUIAccelTKHWConfigurationFlags,result ) == KErrNone )
+        {
+        StartObserving();
+        }
+    
+    return result;
+    }
+    
+TUint CAlfSrvSettingsHandler::RndFlags()
+    {
+    TInt result = 0;
+    if ( !iCentralRepository ) 
+        {
+        return result;
+        }
+        
+    if ( iCentralRepository->Get( KUIAccelTKEffectsComplexityFactor,result ) == KErrNone )
+        {
+        result = result&~KAlfSrvRndBitMask; // remove complexity factor flags.
+        
+        StartObserving();
+        }
+    
+    return result;
+    }
+    
+// ---------------------------------------------------------------------------
+// From class CActive 
+// Active object RunL
+// ---------------------------------------------------------------------------
+//
+void CAlfSrvSettingsHandler::RunL()
+    {
+    TInt newValue = KAlfSrvDefaultComplexityFactor;
+    TAlfSrvSetting settingChanged = EAlfSrvSettingEffectsComplexityFactor;
+    
+    // iStatus should hold the information about the changed key. Get the new value.    
+    switch ( iStatus.Int() )
+        {
+        case KUIAccelTKRenderer: // flow through
+        case KUIAccelTKHWConfigurationFlags:
+            // do not do anything
+            return;
+            
+        case KUIAccelTKDefaultFrameRate:
+            settingChanged = EAlfSrvSettingDefaultFramerate;
+    		User::LeaveIfError( iCentralRepository->Get( iStatus.Int(), newValue ) );
+            break;
+        case KUIAccelTKMaxCpuUsage:
+            settingChanged = EAlfSrvSettingMaxCpuUsage;
+    		User::LeaveIfError( iCentralRepository->Get( iStatus.Int(), newValue ) );
+    		iMaxCpuUsage = (TUint)newValue;
+            break;
+        case KUIAccelTKMaxResourceCache:
+            settingChanged = EAlfSrvSettingMaxResourceCacheSize;
+    		User::LeaveIfError( iCentralRepository->Get( iStatus.Int(), newValue ) );
+            break;
+        case KUIAccelTKEffectsComplexityFactor:
+            settingChanged = EAlfSrvSettingEffectsComplexityFactor;
+    		// get the new value    
+    		User::LeaveIfError( iCentralRepository->Get( iStatus.Int(), newValue ) );
+            newValue = newValue&KAlfSrvRndBitMask; // remove Rnd flags
+            break;
+        
+        default:
+            // Error?
+            User::LeaveIfError( iStatus.Int() );
+            return; 
+        }
+            
+    StartObserving();
+    iObserver.MAlfSrvUintSettingChangedL( settingChanged, newValue );
+    }
+
+    
+void CAlfSrvSettingsHandler::DoCancel()
+    {
+    iCentralRepository->NotifyCancelAll();
+    }
+
+// ---------------------------------------------------------------------------
+// From class CActive 
+// Error handler for RunL
+// ---------------------------------------------------------------------------
+//
+TInt CAlfSrvSettingsHandler::RunError(TInt aError)
+    {
+    return aError;    
+    }