/*+
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* Copyright (c) 2006 Nokia Corporation and/or its subsidiary(-ies).+
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* All rights reserved.+
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* This component and the accompanying materials are made available+
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* under the terms of "Eclipse Public License v1.0"+
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* which accompanies this distribution, and is available+
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".+
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*+
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* Initial Contributors:+
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* Nokia Corporation - initial contribution.+
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*+
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* Contributors:+
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*+
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* Description:  Defines the abstract base class for all types of MMI +
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				 content specific extensions.+
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*+
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*/+
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+
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+
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#ifndef __MMI_DELEGATEBASE_H__+
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#define __MMI_DELEGATEBASE_H__+
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+
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#include <e32base.h>+
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#include <ecom\ecomresolverparams.h>+
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#include <ecom\ecom.h>+
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+
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//forward definitions+
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class MMIUtils; //mmiutils.h+
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struct FI_ReturnString;+
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+
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/**+
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* The CMMI_Delegate class is an abstract base class for all types of MMI content specific extensions.+
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*/+
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class CMMI_Delegate : public CBase+
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{+
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public:+
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enum TDoItLOperationOpCodes+
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	{+
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		EOpCodePauseState = 0,+
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		EOpCodeSMCheckNeeded = 100+
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	};+
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+
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+
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public:+
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	static CMMI_Delegate* NewL(const TDesC8& aMatch, MMIUtils* aMMIUtils);+
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+
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	~CMMI_Delegate() { REComSession::DestroyedImplementation (iDtor_ID_Key); }+
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+
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public:+
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+
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	virtual const TDesC8* Name() const = 0;+
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+
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	virtual void Initialize(MMIUtils* /*aMMIUtils*/) = 0;+
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	virtual short GetL(const RPointerArray<TDesC>& aArgs, struct FI_ReturnString* /*retVal*/) = 0;+
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+
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	virtual short GetVarsL(const RPointerArray<TDesC>& aArgs, struct FI_ReturnString* /*retVal*/) = 0;+
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+
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	virtual short SetL(const RPointerArray<TDesC>& aArgs, const TDesC& /*aValue*/) =0;+
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+
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	virtual void SetVarsL(const RPointerArray<TDesC>& aArgs, const TDesC& /*aValue*/, short& /*aRetVal*/) =0;+
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+
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	virtual short SendL(const TDesC& aVerbArg, const RPointerArray<TDesC>& aArgs) =0;+
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+
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	virtual short RequestDataL(const RPointerArray<TDesC>& /*aArgs*/, const TAny* /*aDataRequestHandle*/ )=0;+
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+
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	virtual short CancelRequestL(const TAny* /*aDataRequestHandle*/) = 0;+
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+
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	virtual void PlayerDestroyed() = 0;+
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	virtual TBool RegisterExtendedEvent(const TDesC& aEventName) = 0;+
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	virtual TBool UnregisterExtendedEvent(const TDesC& aEventName) = 0;+
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	virtual TAny* ExecuteFunctionL(TInt aOpCode, TAny* aParam1, TAny* aParam2, TAny* aParam3, TAny* aParam4) = 0;+
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+
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private:+
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	TUid iDtor_ID_Key;+
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+
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};+
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+
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#endif // __MMI_DELEGATEBASE_H__+
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