/*

* Copyright (c) 2006-2009 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:      implements a session against a renderer

*

*/

#ifndef C_UPNPAVRENDERINGSESSIONIMPL_H

#define C_UPNPAVRENDERINGSESSIONIMPL_H

// INCLUDE FILES

#include <e32std.h>

#include <e32base.h>

#include "upnpavrenderingsession.h"

#include "upnpavdeviceobserver.h"

// FORWARD DECLARATIONS

class CUpnpAVDevice;

class RUPnPAVControllerClient;

class CUPnPAVEventActive;

class CUPnPAVDeviceActive;

class CUPnPAVRenderingActive;

class CUpnpItem;

class TUnsolicitedEventC;

/**

 *  AV Controller rendering session implementation.

 *

 *  This class implements the rendering session. Includes operations

 *  to set and to set next uri, play, stop and pause the playback,

 *  to set the volume and mute and to get the position information

 *

 *  @lib upnpavcontrollerclient.lib

 *  @since S60 v3.1

 */

class CUPnPAVRenderingSessionImpl : public CBase,

                                    public MUPnPAVRenderingSession,

                                    public MUPnPAVDeviceObserver

    {

public:

    /**

     * Static constructor

     *

     * @param aServer handle to AV Controller server

     * @param aDevice target device

     * @return a new browsing session implementation instance

     */    

    static CUPnPAVRenderingSessionImpl* NewL(

        RUPnPAVControllerClient& aServer,

        const CUpnpAVDevice& aDevice );

    /**

     * Destructor

     */        

    virtual ~CUPnPAVRenderingSessionImpl();

private:

    /**

     * 2nd phase construct

     */    

    CUPnPAVRenderingSessionImpl( RUPnPAVControllerClient& aServer );

    /**

     * 2nd phase construct

     */        

    void ConstructL();

protected: // From MUPnPAVRenderingSession

    /**

     * See upnpavrenderingsession.h

     */

    void SetObserver( MUPnPAVRenderingSessionObserver& aObserver );

    /**

     * See upnpavrenderingsession.h

     */

    void RemoveObserver();

    /**

     * See upnpavrenderingsession.h

     */

    MUPnPAVRenderingSessionObserver* Observer() const;

    /**

     * See upnpavrenderingsession.h

     */

    const CUpnpAVDevice& Device() const;

    /**

     * See upnpavrenderingsession.h

     */

    void SetURIL( const TDesC8& aURI, const CUpnpItem& aItem );

    /**

     * See upnpavrenderingsession.h

     */

    void SetNextURIL( const TDesC8& aURI, const CUpnpItem& aItem );

    /**

     * See upnpavrenderingsession.h

     */

    void PlayL();

    /**

     * See upnpavrenderingsession.h

     */

    void StopL();

    /**

     * See upnpavrenderingsession.h

     */

    void PauseL();

    /**

     * See upnpavrenderingsession.h

     */

    void SetVolumeL( TInt aVolumeLevel );

    /**

     * See upnpavrenderingsession.h

     */

    void GetVolumeL();

    /**

     * See upnpavrenderingsession.h

     */

    void SetMuteL( TBool aMute );

    /**

     * See upnpavrenderingsession.h

     */

    void GetMuteL();

    /**

     * See upnpavrenderingsession.h

     */

    void GetPositionInfoL();

    /**

     * See upnpavrenderingsession.h

     */

    void SeekRelTimeL( const TTime& aDesiredTime );

    /**

     * See upnpavrenderingsession.h

     */

    TUPnPAVInteractOperation GetRendererStateL();

public: // From MUPnPAVDeviceObserver

    /**

     * See upnpavdeviceobserver.h

     */

    void UPnPDeviceDiscovered( const CUpnpAVDevice& aDevice );

    /**

     * See upnpavdeviceobserver.h

     */

    void UPnPDeviceDisappeared( const CUpnpAVDevice& aDevice );

    /**

     * See upnpavdeviceobserver.h

     */

    void WLANConnectionLost();

public: // Public methods

    /**

     * A method to receive an unsolicited event

     * @param aError error code

     * @param aEvent event

     */     

    void EventReceived( TInt aError,

        TUnsolicitedEventC aEvent );

private: // Private methods

    void ResetL();

private:

    RUPnPAVControllerClient&            iServer; // not owned

    MUPnPAVRenderingSessionObserver*    iObserver; // not owned

    CUPnPAVDeviceActive*                iDeviceActive; // owned

    CUPnPAVEventActive*                 iEventActive; // owned

    CUPnPAVRenderingActive*             iCommandActive; // owned

    CUPnPAVRenderingActive*             iSettingActive; // owned    

    CUpnpAVDevice*                      iDevice; // owned

    // Buffer to pass data to server

    HBufC8*                             iBuffer; // owned            

    TPtr8                               iBufferPtr;         

    TBool                               iAlive;

    TBool                               iMediaServerResourceReserved;

    };

#endif // C_UPNPAVRENDERINGSESSIONIMPL_H