diff -r fb3763350a08 -r 4d54b72983ae taskswitcher/contextengine/tsfswpreviewprovider/src/tspreviewproviderclient.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/taskswitcher/contextengine/tsfswpreviewprovider/src/tspreviewproviderclient.cpp	Tue Jan 26 11:48:23 2010 +0200
@@ -0,0 +1,236 @@
+/*
+* Copyright (c) 2008 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".
+*
+*/
+
+#include "tspreviewproviderclient.h"
+#include "previewproviderlogging.h"
+#include "tspropertylistener.h"
+#include "previewmsg.h"
+
+#include <s32mem.h>
+
+#define SZ( x ) ( sizeof( x ) / sizeof( TInt ) )
+
+
+// --------------------------------------------------------------------------
+// CTsFastSwapPreviewProviderClient::CTsFastSwapPreviewProviderClient
+// --------------------------------------------------------------------------
+//
+CTsFastSwapPreviewProviderClient::CTsFastSwapPreviewProviderClient(
+        MTsFastSwapPreviewObserver& aObs ) : iObs( aObs )
+    {
+    }
+
+// --------------------------------------------------------------------------
+// CTsFastSwapPreviewProviderClient::~CTsFastSwapPreviewProviderClient
+// --------------------------------------------------------------------------
+//
+CTsFastSwapPreviewProviderClient::~CTsFastSwapPreviewProviderClient()
+    {
+    delete iListener;
+    }
+
+// --------------------------------------------------------------------------
+// CTsFastSwapPreviewProviderClient::ConstructL
+// --------------------------------------------------------------------------
+//
+void CTsFastSwapPreviewProviderClient::ConstructL()
+    {
+    TSLOG_CONTEXT( ConstructL, TSLOG_LOCAL );
+    TSLOG_IN();
+
+    const TUid id = { 0x20016BEC };
+    BaseConstructL( id, KNullDesC8 );
+    iListener = CTsPropertyListener::NewL( iObs );
+    
+    TSLOG_OUT();        
+    }    
+
+// --------------------------------------------------------------------------
+// CTsFastSwapPreviewProviderClient::Register
+// --------------------------------------------------------------------------
+//    
+void CTsFastSwapPreviewProviderClient::Register( TInt aWgId )
+    {
+    TSLOG_CONTEXT( Register, TSLOG_LOCAL );
+    TSLOG_IN();
+    
+    const TInt msg[] = {
+        NPreviewMsg::ERegister,
+        aWgId
+        };
+    TPckgC<TInt[SZ(msg)]> buf(msg);
+    SendMessage(buf);
+    Flush();
+
+    TSLOG_OUT();
+    }
+
+// --------------------------------------------------------------------------
+// CTsFastSwapPreviewProviderClient::Unregister
+// --------------------------------------------------------------------------
+//    
+void CTsFastSwapPreviewProviderClient::Unregister( TInt aWgId )
+    {
+    TSLOG_CONTEXT( Unregister, TSLOG_LOCAL );
+    TSLOG_IN();
+
+    const TInt msg[] = {
+        NPreviewMsg::EUnregister,
+        aWgId
+        };
+    TPckgC<TInt[SZ(msg)]> buf(msg);
+    SendMessage(buf);
+    Flush();
+    
+    TSLOG_OUT();
+    }
+
+// --------------------------------------------------------------------------
+// CTsFastSwapPreviewProviderClient::ChangeScreen
+// --------------------------------------------------------------------------
+//    
+void CTsFastSwapPreviewProviderClient::ChangeScreen( TInt aScreenNo )
+    {
+    TSLOG_CONTEXT( ChangeScreen, TSLOG_LOCAL );
+    TSLOG_IN();
+    
+    const TInt msg[] = {
+        NPreviewMsg::EChangeScreen,
+        aScreenNo
+        };
+    TPckgC<TInt[SZ(msg)]> buf(msg);
+    SendMessage(buf);
+    Flush();
+    
+    TSLOG_OUT();     
+    }
+
+// --------------------------------------------------------------------------
+// CTsFastSwapPreviewProviderClient::SetPreviewParam
+// --------------------------------------------------------------------------
+//    
+void CTsFastSwapPreviewProviderClient::SetPreviewParam(const TSize& aSize,
+        TDisplayMode aMode)
+    {
+    TSLOG_CONTEXT( SetPreviewParam, TSLOG_LOCAL );
+    TSLOG_IN();
+    
+    const TInt msg[] = {
+        NPreviewMsg::ESetPreviewParam,
+        aSize.iWidth,
+        aSize.iHeight,
+        static_cast<TInt>(aMode)
+        };
+    TPckgC<TInt[SZ(msg)]> buf(msg);
+    SendMessage(buf);
+    Flush();
+
+    TSLOG_OUT();
+    }
+
+// --------------------------------------------------------------------------
+// CTsFastSwapPreviewProviderClient::TakePreview 
+// --------------------------------------------------------------------------
+//    
+void CTsFastSwapPreviewProviderClient::TakePreview()
+    {
+    TSLOG_CONTEXT( TakePreview, TSLOG_LOCAL );
+    TSLOG_IN();
+    
+    TPckgC<TInt> buf(NPreviewMsg::ETakePreview);
+    SendMessage(buf);
+    Flush();
+    
+    TSLOG_OUT();      
+    }
+
+// --------------------------------------------------------------------------
+// CTsFastSwapPreviewProviderClient::AckPreview 
+// --------------------------------------------------------------------------
+//
+void CTsFastSwapPreviewProviderClient::AckPreview( TInt aPreviwId )
+    {
+    TSLOG_CONTEXT( TakePreview, TSLOG_LOCAL );
+    TSLOG_IN();
+    
+    const TInt msg[] = { NPreviewMsg::EAckPreviewReady,
+                         aPreviwId };
+    TPckgC<TInt[SZ(msg)]> buf(msg);
+    SendMessage(buf);
+    Flush();
+    
+    TSLOG_OUT();
+    }
+
+// --------------------------------------------------------------------------
+// CTsFastSwapPreviewProviderClient::HandleMessage
+// --------------------------------------------------------------------------
+//    
+void CTsFastSwapPreviewProviderClient::HandleMessage( const TDesC8& aData )
+    {
+    TRAP_IGNORE(DoHandleMessageL(aData));
+    }
+
+// --------------------------------------------------------------------------
+// CTsFastSwapPreviewProviderClient::DoHandleMessageL
+// --------------------------------------------------------------------------
+//
+void CTsFastSwapPreviewProviderClient::DoHandleMessageL( const TDesC8& aData )
+    {
+    TSLOG_CONTEXT( DoHandleMessageL, TSLOG_LOCAL );
+    TSLOG_IN();
+    
+    RDesReadStream in( aData );
+    TInt message = in.ReadInt32L();
+    switch ( message )
+        {
+        case NPreviewMsg::EPreviewReady:
+            {
+            const TInt id = in.ReadInt32L();
+            const TInt handle = in.ReadInt32L();    
+            SetProperties( handle, id, EOperationBitmapUpdated );
+            }
+            break;
+        case NPreviewMsg::EUnregisterReady:
+            {
+            const TInt id = in.ReadInt32L();
+            const TInt handle = in.ReadInt32L();
+            SetProperties( handle, id, EOperationUnregister );
+            }
+            break;
+        }
+
+    TSLOG_OUT();
+    }
+
+// --------------------------------------------------------------------------
+// CTsFastSwapPreviewProviderClient::SetProperties
+// --------------------------------------------------------------------------
+//
+void CTsFastSwapPreviewProviderClient::SetProperties(TInt aHandle, TInt aWgId,
+        TInt aOp)
+    {
+    // Notify CPropertyListener via P&S
+    RProperty::Set( KPSUidPreviewProvider, KPSKeyFbsBitmapId, aHandle );
+    RProperty::Set( KPSUidPreviewProvider, KPSKeyOperation, aOp );
+    // KPSKeyWgId should be notified first since that is being listened 
+    // by CPropertyListener 
+    RProperty::Set( KPSUidPreviewProvider, KPSKeyWgId, aWgId );    
+    }
+
+// --------------------------------------------------------------------------
+// CTsFastSwapPreviewProviderClient::OnReplace
+// --------------------------------------------------------------------------
+//
+void CTsFastSwapPreviewProviderClient::OnReplace()
+    {
+    }
+
+// End of file