--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/vtprotocolplugins/VideoSource/inc/cmultiframedataao.h	Mon Nov 23 14:47:47 2009 +0200
@@ -0,0 +1,128 @@
+/*
+* 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:  Video Source subsystem.
+*
+*/
+
+#ifndef C_MULTIFRAMEDATAAO_H
+#define C_MULTIFRAMEDATAAO_H
+
+// INCLUDE FILES
+#include <e32base.h>
+#include "mmultiframeprovider.h"
+// FORWARD DECLARATIONS
+class CMultiframeProvider;
+
+// MACROS
+	
+/**
+*  @lib videosource.lib
+*/
+// ============================ CMultiframeDataAO ===============================
+NONSHARABLE_CLASS( CMultiframeDataAO ) : public CTimer
+    {
+    public: // Constructors and destructor
+
+        /**
+        * Constructor.
+        * @param "aRequester" instance to requester
+        */
+        CMultiframeDataAO( CMultiframeProvider* aRequester );
+
+        /**
+        * Destructor.
+        */
+        ~CMultiframeDataAO();
+
+    public: // New functions
+				
+				/**
+        * Sets observer.
+        * @param "aObserever" instance to observer
+        */
+				void SetObserver( MMultiframeprovider* aObserver );
+					
+        /**
+        * Activates CTimer
+        * @param "aUpdateTime" expiration time
+        */
+        void Activate( TTimeIntervalMicroSeconds aUpdateTime, TBool aInit, TBool aVFUpdate );
+        
+       	/**
+        * Updates local buffer.
+        * @param "aLocalBuffer" local buffer
+        */
+        void LocalBuffer( CVtImageBitmap* aLocalBuffer );
+        
+        /**
+        * Updates remote buffer.
+        * @param "aRemoteBuffer" remote buffer
+        */
+        void RemoteBuffer ( CVtImageBitmap* aRemoteBuffer );
+        
+        /**
+        * Cancels looping and completes request in correct thread.
+        */        
+        void CancelTimeLoop();
+
+    private:    // Functions from base classes
+
+        /**
+        * From CActive. See CActive for description.
+        */
+        void RunL();
+
+    private:    // Data
+
+        // Pointer to observer.
+        MMultiframeprovider* iObserver; // not owned
+        
+        // Pointer to requester
+        CMultiframeProvider* iRequester;
+        
+        // For updating ViewFinder buffer
+        TImageShareDataBuffer iLocalBuffer;
+        // For updating remote buffer
+        TImageShareDataBuffer iRemoteBuffer;
+        
+        // For updating remote buffer if activated when active
+        TImageShareDataBuffer iRemoteSecondBuffer;
+        
+        // For updating ViewFinder buffer if activated when active
+        TImageShareDataBuffer iLocalSecondBuffer;
+        
+        // Initialization flag
+        TBool iInit;
+        
+        // Delta calc ref point
+       	TTimeIntervalMicroSeconds iTime;
+        
+        // VF update flag
+        TBool iVFUpdate;
+        
+        // Id of thread whose active scheduler this instance is added into.
+        TThreadId iThreadId;
+        
+        // A flag to indecate loop ao must be stopped
+        TBool iRequireStopping;
+    };
+
+#endif //C_MULTIFRAMEDATAAO_H
+
+//  End of File
+
+
+
+
+