/*

* Copyright (c) 2006-2008 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:  Base class for message handlers.

 *

*/

#ifndef C_CFMESSAGEHANDLERACTION_H

#define C_CFMESSAGEHANDLERACTION_H

#include "CFMessageHandlerBase.h"

#include "CFActionSubscriptionListener.h"

#include "cfactionowner.h"

class CCFActionIndication;

/**

 * Action messages related handler class.

 */

NONSHARABLE_CLASS( CCFMessageHandlerAction ): public CCFMessageHandlerBase,

public MCFActionSubscriptionListener,

public MCFActionOwner

    {

public:

    // Two phased constructors

    static CCFMessageHandlerAction* NewL( MCFExtendedContextInterface& aCF,

        MCFActionInterface& aActivatorEngine,

        MCFScriptInterface& aScriptInterface );

    static CCFMessageHandlerAction* NewLC( MCFExtendedContextInterface& aCF,

        MCFActionInterface& aActivatorEngine,

        MCFScriptInterface& aScriptInterface );

    // Destructor

    ~CCFMessageHandlerAction();

protected: // From base classes

    // From CCFMessageHandlerBase

    TBool HandleMessageL( const RMessage2& aMessage );

    // From MCFContextSubscriptionListener

    void ActionIndicationL( CCFActionIndication* aIndication );

    // From MCFActionOwner

    TCFActionOwner ActionOwner() const;

private: // New methods

    // Checks if there is action indication waiting

    void CheckActionQueueL();

    // Stream and send action indication to client

    void IndicateCurrentActionL();

    // Streams indication from object to descriptor

    HBufC8* ExternalizeIndicationLC( CCFActionIndication& aIndication );

private:

    CCFMessageHandlerAction( MCFExtendedContextInterface& aCFContext,

        MCFActionInterface& aCFAction,

        MCFScriptInterface& aScriptInterface );

    void ConstructL();

private:

    // Own: Subscription message

    RMessage2 iSubscriptionListenMessage;

    // Own: Action indications array

    RPointerArray<CCFActionIndication> iActionQueue;

    // Own: Current action indciation

    CCFActionIndication* iCurrentAction;

    };

#endif//C_CFMESSAGEHANDLERACTION_H