diff -r fb3763350a08 -r 4d54b72983ae taskswitcher/contextengine/tsfswpreviewprovider/src/tspreviewprovider.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/taskswitcher/contextengine/tsfswpreviewprovider/src/tspreviewprovider.cpp	Tue Jan 26 11:48:23 2010 +0200
@@ -0,0 +1,151 @@
+/*
+* 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".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:  Preview provider API
+*
+*/
+
+
+#include "tspreviewprovider.h"
+#include "previewproviderlogging.h"
+#include "tspreviewproviderclient.h"
+
+// --------------------------------------------------------------------------
+// CTsFastSwapPreviewProvider::NewL
+// --------------------------------------------------------------------------
+//
+EXPORT_C CTsFastSwapPreviewProvider* CTsFastSwapPreviewProvider::NewL(
+        MTsFastSwapPreviewObserver& aObs)
+    {
+    CTsFastSwapPreviewProvider* p = new (ELeave) CTsFastSwapPreviewProvider();
+    CleanupStack::PushL( p );
+    p->ConstructL( aObs );
+    CleanupStack::Pop( p );
+    return p;
+    }
+
+// --------------------------------------------------------------------------
+// CTsFastSwapPreviewProvider::~CTsFastSwapPreviewProvider
+// --------------------------------------------------------------------------
+//    
+EXPORT_C CTsFastSwapPreviewProvider::~CTsFastSwapPreviewProvider()
+    {
+    if ( iClient )
+        {
+        iClient->Destroy();
+        }
+    delete iClient;
+    }
+
+// --------------------------------------------------------------------------
+// CTsFastSwapPreviewProvider::Register
+// --------------------------------------------------------------------------
+//    
+EXPORT_C TInt CTsFastSwapPreviewProvider::Register( TInt aWgId )
+    {
+    iClient->Register( aWgId );
+    return KErrNone;
+    }
+
+// --------------------------------------------------------------------------
+// CTsFastSwapPreviewProvider::Unregister
+// --------------------------------------------------------------------------
+//    
+EXPORT_C TInt CTsFastSwapPreviewProvider::Unregister( TInt aWgId )    
+    {
+    iClient->Unregister( aWgId );
+    return KErrNone;
+    }
+
+// --------------------------------------------------------------------------
+// CTsFastSwapPreviewProvider::ChangeScreen
+// --------------------------------------------------------------------------
+//    
+EXPORT_C TInt CTsFastSwapPreviewProvider::ChangeScreen( TInt aScreenId )
+    {
+    iClient->ChangeScreen( aScreenId );
+    return KErrNone;
+    }    
+
+// --------------------------------------------------------------------------
+// CTsFastSwapPreviewProvider::SetPreviewParam
+// --------------------------------------------------------------------------
+//
+EXPORT_C TInt CTsFastSwapPreviewProvider::SetPreviewParam(const TSize& aSize,
+        TDisplayMode aMode)
+    {
+    TSLOG_CONTEXT( SetPreviewParam, TSLOG_LOCAL );
+    TSLOG_IN();
+    
+    TInt error( KErrNone );
+    
+    if ( aMode == ENone || aMode == EColor64K )
+        {
+        iClient->SetPreviewParam( aSize, aMode );        
+        }
+    else
+        {
+        error = KErrNotSupported;
+        }
+   
+    TSLOG_OUT();
+    return error;
+    }
+
+// --------------------------------------------------------------------------
+// CTsFastSwapPreviewProvider::TakePreview
+// --------------------------------------------------------------------------
+//    
+EXPORT_C TInt CTsFastSwapPreviewProvider::TakePreview()
+    {
+    // Reset timer for screensaver (dismiss screensaver)
+    User::ResetInactivityTime(); 
+           
+    iClient->TakePreview();
+    return KErrNone;
+    }
+
+// --------------------------------------------------------------------------
+// CTsFastSwapPreviewProvider::AckPreview
+// --------------------------------------------------------------------------
+//
+EXPORT_C void CTsFastSwapPreviewProvider::AckPreview( TInt aPreviewId )
+    {
+    iClient->AckPreview( aPreviewId );
+    }
+
+// --------------------------------------------------------------------------
+// CTsFastSwapPreviewProvider::CTsFastSwapPreviewProvider
+// --------------------------------------------------------------------------
+//    
+CTsFastSwapPreviewProvider::CTsFastSwapPreviewProvider()
+    {
+    }
+
+// --------------------------------------------------------------------------
+// CTsFastSwapPreviewProvider::ConstructL
+// --------------------------------------------------------------------------
+//    
+void CTsFastSwapPreviewProvider::ConstructL( MTsFastSwapPreviewObserver& aObs )
+    {
+    TSLOG_CONTEXT( ConstructL, TSLOG_LOCAL );
+    TSLOG_IN();
+    
+    iClient = new ( ELeave ) CTsFastSwapPreviewProviderClient( aObs );
+    iClient->ConstructL();
+    
+    TSLOG_OUT();
+    }
+
+// End of file
+