--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/perfsrv/memspy/Engine/Source/Helpers/MemSpyEngineHelperRAM.cpp	Fri Sep 17 08:38:31 2010 +0300
@@ -0,0 +1,156 @@
+/*
+* Copyright (c) 2009 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:
+*
+*/
+
+#include <memspy/engine/memspyenginehelperram.h>
+
+// System includes
+#include <hal.h>
+#include <e32debug.h>
+
+// User includes
+#include <memspy/engine/memspyengine.h>
+#include <memspy/engine/memspyengineutils.h>
+#include <memspy/engine/memspyengineoutputlist.h>
+#include "MemSpyEngineOutputListItem.h"
+#include <memspy/engine/memspyengineoutputsink.h>
+
+// Type defs
+typedef TInt(*TAknIconCacheConfigFunction)(TBool);
+
+// Constants
+const TInt KAknIconCacheConfigOrdinal = 44;
+
+// Literal constants
+_LIT( KMemSpyAknIconDllName, "AKNICON.DLL" );
+
+
+CMemSpyEngineHelperRAM::CMemSpyEngineHelperRAM( CMemSpyEngine& aEngine )
+:   iEngine( aEngine )
+    {
+    }
+
+    
+CMemSpyEngineHelperRAM::~CMemSpyEngineHelperRAM()
+    {
+    }
+
+
+void CMemSpyEngineHelperRAM::ConstructL()
+    {
+    CheckIfAknIconCacheCanBeConfiguredL();
+    }
+
+
+CMemSpyEngineHelperRAM* CMemSpyEngineHelperRAM::NewL( CMemSpyEngine& aEngine )
+    {
+    CMemSpyEngineHelperRAM* self = new(ELeave) CMemSpyEngineHelperRAM( aEngine );
+    CleanupStack::PushL( self );
+    self->ConstructL();
+    CleanupStack::Pop( self );
+    return self;
+    }
+
+
+EXPORT_C TBool CMemSpyEngineHelperRAM::IsAknIconCacheConfigurable() const
+    {
+    return iIsAknIconCacheConfigurable;
+    }
+
+
+EXPORT_C TInt64 CMemSpyEngineHelperRAM::SetAknIconCacheStatusL( TBool aEnabled )
+    {
+    TInt64 ret( 0 );
+    //
+    if  ( iIsAknIconCacheConfigurable )
+        {
+        TInt freeRamBeforeOp = KErrNotFound;
+        User::LeaveIfError( HAL::Get( HALData::EMemoryRAMFree, freeRamBeforeOp ) );
+        //
+        const TInt error = SetAknIconStatus( aEnabled );
+        User::LeaveIfError( error );
+        //
+        if  ( aEnabled == EFalse )
+            {
+            // Turning cache off, check how much ram we saved...
+            TInt freeRamAfterOp = KErrNotFound;
+            User::LeaveIfError( HAL::Get( HALData::EMemoryRAMFree, freeRamAfterOp ) );
+
+            // Work out how much ram was saved... 
+            ret = ( freeRamAfterOp - freeRamBeforeOp );
+            }
+        }
+    //
+    return ret;
+    }
+
+
+void CMemSpyEngineHelperRAM::CheckIfAknIconCacheCanBeConfiguredL()
+    {
+#ifndef __WINS__
+    RLibrary lib;
+    const TInt loadErr = lib.Load( KMemSpyAknIconDllName );
+#ifdef _DEBUG
+    RDebug::Printf( "CMemSpyEngineHelperRAM::SetAknIconStatus() - dll load: %d", loadErr );
+#endif
+    if  ( loadErr == KErrNone )
+        {
+        TLibraryFunction ordinal = lib.Lookup( KAknIconCacheConfigOrdinal );
+#ifdef _DEBUG
+        RDebug::Printf( "CMemSpyEngineHelperRAM::SetAknIconStatus() - ordinal: 0x%08x", ordinal );
+#endif
+        //
+        iIsAknIconCacheConfigurable = ( ordinal != NULL );
+        lib.Close();
+        }
+#endif
+    }
+
+
+TInt CMemSpyEngineHelperRAM::SetAknIconStatus( TBool aEnabled )
+    {
+    TInt ret = KErrNotSupported;
+    //
+#ifndef __WINS__
+    RLibrary lib;
+    const TInt loadErr = lib.Load( KMemSpyAknIconDllName );
+#ifdef _DEBUG
+    RDebug::Printf( "CMemSpyEngineHelperRAM::SetAknIconStatus() - dll load: %d", loadErr );
+#endif
+    if  ( loadErr == KErrNone )
+        {
+        TLibraryFunction ordinal = lib.Lookup( KAknIconCacheConfigOrdinal );
+#ifdef _DEBUG
+        RDebug::Printf( "CMemSpyEngineHelperRAM::SetAknIconStatus() - ordinal: 0x%08x", ordinal );
+#endif
+        //
+        if  ( ordinal )
+            {
+            TAknIconCacheConfigFunction func = (TAknIconCacheConfigFunction) ordinal;
+            ret = (*func)( aEnabled );
+#ifdef _DEBUG
+            RDebug::Printf( "CMemSpyEngineHelperRAM::SetAknIconStatus() - ret: %d", ret );
+#endif
+            }
+        //
+        lib.Close();
+        }
+#else
+	aEnabled = EFalse;
+#endif
+    //
+    return ret;
+    }