/*

* Copyright (c) 2006 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:      AO for monitoring device events

*

*/

#ifndef C_UPNPAVCONTROLLERACTIVE_H

#define C_UPNPAVCONTROLLERACTIVE_H

// INCLUDE FILES

#include <e32base.h>

#include "upnpavcontroller.h"

#include "upnpconnectionmonitorobserver.h"

#include "upnpavcontrollerclient.h"

// FORWARD DECLARATIONS

class MUPnPAVDeviceObserver;

class CUPnPAVBrowsingSessionImpl;

class CUPnPAVRenderingSessionImpl;

class CUPnPAVDeviceActive;

class CUPnPAVConnectionActive;

class MUPnPFileDownloadSession;

class MUPnPFileUploadSession;

class CUPnPFileUploadSessionImpl;

class CUPnPFileDownloadSessionImpl;

/**

 *  Implements the AV Controller interface

 *

 *  This class implements the AV Controller interface. Provides methods to

 *  get devices and to start and stop rendering and browsing sessions.

 *

 *  @lib upnpavcontrollerclient.lib

 *  @since S60 v3.1

 */

class CUPnPAVControllerActive : public CActive,

                                public MUPnPAVController,

                                public MUPnPConnectionMonitorObserver

    {

private:

    /**

     * Release (delete) state. Declares state variables to determine if

     * deletion is safe.

     */    

    enum TReleaseState

        {

        EStateReleasable = 0,

        EStateWLANLost,

        EStateWaitingForRelease

        };

public:

    /**

     * Static constructor

     *

     * @param nonr

     * @return a new av controller instance

     */

    static CUPnPAVControllerActive* NewL();

    /**

     * Static constructor

     *

     * @param nonr

     * @return a new av controller instance

     */    

    static CUPnPAVControllerActive* NewLC();

    /**

     * Destructor. Ensures safe deletion (also during WLAN disconnection).

     */    

    virtual void Release();

    /**

     * Destructor

     * DEPRACATED, usage of Release() recommended. Will be removed in the

     * future. Safe deletion is not guaranteed.

     */    

    virtual ~CUPnPAVControllerActive();

private:

    /**

     * 2nd phase construct

     */    

    CUPnPAVControllerActive();    

    /**

     * 2nd phase construct

     */        

    void ConstructL();

protected: // From CActive

    void RunL();

    void DoCancel();

    TInt RunError( TInt aError );

protected: // From MUPnPAVController

    /**

     * See upnpavcontroller.h

     */

    void SetDeviceObserver( MUPnPAVDeviceObserver& aObserver );

    /**

     * See upnpavcontroller.h

     */

    void RemoveDeviceObserver();

    /**

     * See upnpavcontroller.h

     */

    MUPnPAVDeviceObserver* DeviceObserver();

    /**

     * See upnpavcontroller.h

     */

    CUpnpAVDeviceList* GetMediaServersL();

    /**

     * See upnpavcontroller.h

     */

    CUpnpAVDeviceList* GetMediaRenderersL();

    /**

     * See upnpavcontroller.h

     */

    MUPnPAVBrowsingSession& StartBrowsingSessionL(

        const CUpnpAVDevice& aDevice );

    /**

     * See upnpavcontroller.h

     */

    void StopBrowsingSession( MUPnPAVBrowsingSession& aSession );

    /**

     * See upnpavcontroller.h

     */

    MUPnPAVRenderingSession& StartRenderingSessionL(

        const CUpnpAVDevice& aDevice );

    /**

     * See upnpavcontroller.h

     */

    void StopRenderingSession( MUPnPAVRenderingSession& aSession );

    /**

     * See upnpavcontroller.h

     */

    MUPnPFileUploadSession& StartUploadSessionL(

        const CUpnpAVDevice& aDevice );

    /**

     * See upnpavcontroller.h

     */

    void StopUploadSession( MUPnPFileUploadSession& aSession );    

    /**

     * See upnpavcontroller.h

     */

    MUPnPFileDownloadSession& StartDownloadSessionL(

        const CUpnpAVDevice& aDevice );

    /**

     * See upnpavcontroller.h

     */

    void StopDownloadSession( MUPnPFileDownloadSession& aSession );

    /**

     * See upnpavcontroller.h

     */

    HBufC8* GetDeviceIconL( const TDesC8& aUuid );

protected: // From CUPnPConnectionMonitorObserver

    void ConnectionLost( TBool aUserOriented );

private:

    MUPnPAVDeviceObserver*                      iDeviceObserver; // not owned

    CUPnPAVConnectionActive*                    iConnectionActive; // owned

    RUPnPAVControllerClient                     iServer;

    RPointerArray<CUPnPAVBrowsingSessionImpl>   iBrowsingSessions;

    RPointerArray<CUPnPAVRenderingSessionImpl>  iRenderingSessions;

    RPointerArray<CUPnPFileUploadSessionImpl>   iUploadSessions;

    RPointerArray<CUPnPFileDownloadSessionImpl> iDownloadSessions;

    TInt                                        iRespBufSize;           

    TPckg<TInt>                                 iRespBufSizePkg;

    TAVControllerDeviceDiscovery                iDiscovered;

    TPckg<TAVControllerDeviceDiscovery>         iDiscoveredPkg;

    TBool iAlive;

    TReleaseState                               iReleaseState;

    };

#endif // C_UPNPAVCONTROLLERACTIVE_H