--- /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
+
+
+
+
+