--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mmlibs/mmfw/inc/mmf/PLUGIN/mmfmediaclientextdisplayinterface.h	Tue Feb 02 01:56:55 2010 +0200
@@ -0,0 +1,115 @@
+// Copyright (c) 2009 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:
+//
+
+/**
+ @file
+ @internalTechnology
+*/
+
+#ifndef MMFMEDIACLIENTEXTDISPLAYINTERFACE_H_
+#define MMFMEDIACLIENTEXTDISPLAYINTERFACE_H_
+
+#include <e32base.h>
+#include <graphics/surface.h>
+
+/**
+
+Mixin class capable of handling events and requests from provider
+
+*/
+class MExtDisplayConnectionProviderCallback
+    {
+public:
+    virtual void MedcpcExtDisplayCalculateExtentAndViewportL(TRect& aExtent, TRect& aViewport, TRect& aExternalDisplayRect) = 0;
+    virtual void MedcpcExtDisplayNotifyConnected(TBool aExtDisplayConnected) = 0;
+    };
+
+/**
+
+Base class for external display connection provider plugins.
+
+*/
+class CExtDisplayConnectionProviderInterface : public CBase
+	{
+public:
+
+    /**
+    Determines if external displays are supported by checking if any implementations for
+    supporting external displays are available.
+
+    @return ETrue if supported otherwise EFalse
+
+    */
+    static TBool ExternalDisplaySupportedL();
+    
+	/**
+	Allocates and constructs a new provider plugin.
+
+	Uses ECOM to instantiate a new provider plugin. Can leave with any of the system-wide error codes.
+
+	@param  aCallback
+	        A reference to an object that can be used by the provider to send
+            events back to the client and make request on the client.
+	@param  aSurfaceId
+	        The surfaceId. 
+    @leave  KErrNotSupported There is no support for external displays.
+	@return A pointer to the new provider plugin.
+
+	*/
+	static CExtDisplayConnectionProviderInterface* NewL(MExtDisplayConnectionProviderCallback& aCallback, TSurfaceId& aSurfaceId);
+
+    /**
+    Function to be implemented by connection provider that indicates whether an external display is
+    connected.
+    
+    @return ETrue if external display is connectde otherwise EFalse.
+    */
+	virtual TBool ExtDisplayConnectedL() = 0;
+	    
+	/**
+	Default destructor.
+	*/
+	IMPORT_C virtual ~CExtDisplayConnectionProviderInterface();
+	
+protected:
+	/**
+	Constructor.
+	*/
+    IMPORT_C CExtDisplayConnectionProviderInterface();
+	
+    /**
+     The callback handler for the provider plugin.
+     */
+     MExtDisplayConnectionProviderCallback* iCallback; // not owned
+
+     /**
+     The surface Id.
+     */
+     TSurfaceId iSurfaceId; // not owned
+     
+private:
+	/**
+	This is internal and not intended for use.
+	*/
+	void ConstructL(MExtDisplayConnectionProviderCallback& aCallback, TSurfaceId& aSurfaceId);
+	
+private:
+	/**
+	Required by ECOM.
+	*/
+	TUid iInstanceKey;
+	};
+
+#endif /* MMFMEDIACLIENTEXTDISPLAYINTERFACE_H_ */