/*

* Copyright (c) 2007-2009 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:  Header file for the CUpnpShowTask class.

*

*/

#ifndef UPNPSHOW_TASK_H

#define UPNPSHOW_TASK_H

// INCLUDES

#include <e32base.h>

#include "upnpresourceselector.h" // a member located here

#include "upnptask.h" // base class

#include "upnpimagerenderingengineobserver.h" // base class

// FORWARD DECLARATIONS

class MUPnPAVRenderingSession;

class CUPnPCommonUI;

class CUpnpTaskResourceAllocator;

class CUpnpImageRenderingEngine;

/**

* This class defines the UpnpShowTask used in UpnpCommand component.

*

* @since S60 3.2

*/

class CUpnpShowTask : public CUpnpTask,

                      public MUpnpImageRenderingEngineObserver

    {

    public: // Methods from CUpnpTask

        /**

         * Creates a new UpnpShowTask object. Allocates Upnp Fw resources.

         * Resources will be released when the task is destroyed.

         *

         * @since S60 3.2

         * @return a new instance of CUpnpShowTask, casted to type CUpnpTask

         */

        static CUpnpTask* NewL();

        /**

         * Destructor.

         */

        virtual ~CUpnpShowTask();

        /**

         * Allocates the Upnp Fw resources.

         *

         * @since S60 3.2

         */

        void AllocateResourcesL();

        /**

         * Executes the task.

         *

         * @since S60 3.2

         */

        void ExecuteL();

    private: // Private construct/destruct methods

        /**

         * constructor

         */

        CUpnpShowTask();

        /**

         * Perform the second phase of two phase construction. Reserves the

         * Upnp Fw resources (they are released when the task is destroyed).

         */

        void ConstructL();

        /**

         * Cleans up used resources

         */

        void Cleanup();

    private: // methods from MUpnpImageRenderingEngineObserver

        MUPnPItemResolver* GetMedia();

        TInt RenderAck(

            TInt aError,

            const CUpnpItem* aItem ); 

        void EngineShutdown(

            TInt aError );

    private: // Private methods

        /**

         * Launches the video player dialog for playing a video file on remote

         * @param aItem the item to play

         * @return an error code

         */

        TInt PlayVideo( const CUpnpItem& aItem );

    private: // Data members

        // Pointer to the UpnpAvController's rendering session.

        MUPnPAVRenderingSession*            iRenderingSession;

        // Pointer to the UpnpAvController's rendering session.

        MUPnPAVRenderingSession*            iVideoRenderingSession;

        // flag for video playing

        TBool                               iPlayingVideo;

        // Pointer to the UPnPCommonUI;

        CUPnPCommonUI*                      iCommonUI;

        // Default resource selector. Owned.

        TUPnPSelectDefaultResource          iSelector;

        // The resource allocator

        CUpnpTaskResourceAllocator*         iResourceAllocator;

        // the image rendering engine

        CUpnpImageRenderingEngine*          iRenderingEngine;

        // flag to show note when image showing failed

        TBool                               iShowPlaybackFailedNote;

        };

#endif // UPNP_SHOW_TASK_H

// End of File