--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/camerauis/cameraapp/generic/inc/cameracontroller/cambuffershare.h Wed Sep 01 12:30:54 2010 +0100
@@ -0,0 +1,93 @@
+/*
+* Copyright (c) 2007 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: Reference counting wrapper for MCameraBuffer.
+*
+*/
+
+
+#ifndef CAM_BUFFERSHARE_H
+#define CAM_BUFFERSHARE_H
+
+#include <e32base.h>
+
+
+class MCameraBuffer;
+
+class CCamBufferShare : public CBase
+ {
+ // =======================================================
+ // Methods
+
+ // -------------------------------------------------------
+ // Constructor and destructor
+ public:
+
+ /**
+ * This is just a wrapper class => c++ constructor
+ */
+ CCamBufferShare( MCameraBuffer* aSharedBuffer );
+
+ private:
+
+ /**
+ * Reference counting used, so destructor is private.
+ */
+ ~CCamBufferShare();
+
+ // -------------------------------------------------------
+ // Other methods
+ public:
+
+ /**
+ * Get the shared buffer. Ownership not given to caller.
+ */
+ MCameraBuffer* SharedBuffer();
+
+ /**
+ * Reserve a reference to this share.
+ */
+ void Reserve();
+
+ /**
+ * Release a reference to this share.
+ */
+ void Release();
+
+#ifdef _DEBUG
+ /**
+ * Get the amount of used buffers in total.
+ */
+ static TInt TotalBufferShareCount();
+#endif
+
+ // =======================================================
+ // Data
+ protected:
+
+#ifdef _DEBUG
+ static TInt isTotalBufferCount;
+#endif
+
+ private:
+
+ MCameraBuffer* iSharedBuffer;
+ TInt iReferenceCount;
+
+ // =======================================================
+ };
+
+#endif
+
+// end of file
+