--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/uiacceltk/hitchcock/AlfHintPlugin/src/alfhintplugin.cpp	Tue Feb 02 07:56:43 2010 +0200
@@ -0,0 +1,223 @@
+/*
+* Copyright (c) 2006 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:   interface for creating custom extensions
+*
+*/
+ 
+
+#include <s32mem.h> //RDesReadStream
+#include <graphics/commandbuffer.h>
+#include <alfhintpluginuids.h>
+#include <alf/alfhintplugin.h>
+
+// ---------------------------------------------------------------------------
+// constructor
+// ---------------------------------------------------------------------------
+//
+CAlfHintGraphic::CAlfHintGraphic()
+	{
+	}
+
+// ---------------------------------------------------------------------------
+// destructor
+// ---------------------------------------------------------------------------
+//
+EXPORT_C CAlfHintGraphic::~CAlfHintGraphic()
+	{
+	iMsgDataBuf.Close();
+	}
+
+// ---------------------------------------------------------------------------
+// NewL
+// ---------------------------------------------------------------------------
+//
+EXPORT_C CAlfHintGraphic* CAlfHintGraphic::NewL(  )
+	{
+	CAlfHintGraphic* self = new(ELeave) CAlfHintGraphic;
+	CleanupStack::PushL(self);
+	self->ConstructL();
+	CleanupStack::Pop(self);
+	return self;
+	}
+
+// ---------------------------------------------------------------------------
+// ConstructL
+// ---------------------------------------------------------------------------
+//
+void CAlfHintGraphic::ConstructL()
+    {
+    /*iMsgDataBuf.ReAllocL(0x100);
+    RDesWriteStream out(iMsgDataBuf);
+    TPckgBuf<TInt32> tag(aWindowHandle);
+    out.WriteL( tag );
+    out.CommitL();*/
+    
+    BaseConstructL( KAlfHintDrawerInstanceUid,  KAlfHintDrawerTypeUid, iMsgDataBuf );
+    //iGc = aGc;
+    
+
+    }
+EXPORT_C void CAlfHintGraphic::SetGc( CWindowGc* aGc )
+    {
+    iGc = aGc;
+    }
+// ---------------------------------------------------------------------------
+// HandleMessage
+// ---------------------------------------------------------------------------
+//
+EXPORT_C void CAlfHintGraphic::HandleMessage(const TDesC8& /*aData*/)
+	{
+	}
+
+// ---------------------------------------------------------------------------
+// OnReplace
+// ---------------------------------------------------------------------------
+//
+EXPORT_C void CAlfHintGraphic::OnReplace()
+	{
+	}
+
+// ---------------------------------------------------------------------------
+// ShareGlobally
+// ---------------------------------------------------------------------------
+//
+EXPORT_C TInt CAlfHintGraphic::ShareGlobally()
+	{
+	return CWsGraphic::ShareGlobally();
+	}
+
+// ---------------------------------------------------------------------------
+// UnShareGlobally
+// ---------------------------------------------------------------------------
+//
+EXPORT_C TInt CAlfHintGraphic::UnShareGlobally()
+	{
+	return CWsGraphic::UnShareGlobally();
+	}
+
+// ---------------------------------------------------------------------------
+// Share
+// ---------------------------------------------------------------------------
+//
+EXPORT_C TInt CAlfHintGraphic::Share(TSecureId aClientId)
+	{
+	return CWsGraphic::Share(aClientId);
+	}
+
+// ---------------------------------------------------------------------------
+// UnShare
+// ---------------------------------------------------------------------------
+//
+EXPORT_C TInt CAlfHintGraphic::UnShare(TSecureId aClientId)
+	{
+	return CWsGraphic::UnShare(aClientId);
+	}
+
+// ---------------------------------------------------------------------------
+// InsertTagL
+// ---------------------------------------------------------------------------
+//
+TInt CAlfHintGraphic::InsertTagL( TInt aTag  )
+    {
+    TRect aBoundingRectangle(0,0,360,640);
+    TInt aLayerId = 0;
+    if ( aTag >= 0 && aTag < EAlfContentLastTag )
+        {
+        iMsgDataBuf.ReAllocL(0x100);
+        RDesWriteStream out(iMsgDataBuf);
+        TPckgBuf<TUint8> tag(aTag);
+        TPckgBuf<TUint8> zero(0);
+        TPckgBuf<TRect> rect(aBoundingRectangle); 
+        TPckgBuf<TInt32> layerId(aLayerId);
+        out.WriteL( tag );
+        out.WriteL( zero );
+        out.WriteL( rect );
+        out.WriteL( layerId );
+        out.CommitL();
+        const TUid drawerCrpUid = KAlfHintDrawerInstanceUid;
+        const TWsGraphicId KDrawerCrpId(drawerCrpUid);
+
+        static_cast<CWindowGc*>(iGc)->DrawWsGraphic(KDrawerCrpId, TRect(0,0,360,640), iMsgDataBuf );
+        out.Close();
+        }
+    else
+        {
+        return KErrNotSupported;
+        }
+    return KErrNone;
+    }
+
+//
+// This version of InsertTagL() is meant for subwindow effects. 
+//
+TInt CAlfHintGraphic::InsertTagL( TInt aTag, TRect aBoundingRectangle, TInt aLayerId )
+    {
+    if ( aTag >= 0 && aTag < EAlfContentLastTag )
+        {
+        iMsgDataBuf.ReAllocL(0x100);
+        RDesWriteStream out(iMsgDataBuf);
+        TPckgBuf<TUint8> tag(aTag);
+        TPckgBuf<TUint8> zero((TInt)1);
+        TPckgBuf<TRect> rect(aBoundingRectangle); 
+        TPckgBuf<TInt32> layerId(aLayerId);
+        out.WriteL( tag );
+        out.WriteL( zero );
+        out.WriteL( rect );
+        out.WriteL( layerId );
+        out.CommitL();
+        const TUid drawerCrpUid = KAlfHintDrawerInstanceUid;
+        const TWsGraphicId KDrawerCrpId(drawerCrpUid);
+        static_cast<CWindowGc*>(iGc)->DrawWsGraphic(KDrawerCrpId, TRect(0,0,360,640), iMsgDataBuf );
+        out.Close();
+        }
+    else
+        {
+        return KErrNotSupported;
+        }
+    return KErrNone;
+    
+    }
+
+EXPORT_C TInt CAlfHintGraphic::InsertTag( TInt aTag, TRect aBoundingRectangle, TInt aLayerId )
+    {
+    TInt result(KErrNone);
+    TRAPD( err, result = InsertTagL( aTag, aBoundingRectangle, aLayerId ) );
+    if (err )
+        {
+        return err;
+        }
+    else
+        {
+        return result;        
+        }
+    
+    }
+
+// ---------------------------------------------------------------------------
+// InsertTag
+// ---------------------------------------------------------------------------
+//
+EXPORT_C TInt CAlfHintGraphic::InsertTag( TInt aTag  )
+    {// TODO; trap or change name
+    TInt result(KErrNone);
+    TRAPD( err, result = InsertTagL( aTag ) );
+    if (err )
+        {
+        return err;
+        }
+    else
+        {
+        return result;        
+        }
+    }