// Copyright (c) 2010 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:

//

/**

 @file

 @internalComponent

*/

#ifndef CMTPPLAYBACKCONTROLDP_H

#define CMTPPLAYBACKCONTROLDP_H

#include <mtp/cmtpdataproviderplugin.h>

#include <mtp/tmtptypeevent.h>

#include "mtpplaybackcontroldpconst.h"

#include "mmtpplaybackinterface.h"

class MMTPRequestProcessor;

class CMTPPlaybackMap;

class MMTPPlaybackControl;

class CMTPPlaybackProperty;

class CMTPPlaybackEvent;

/** 

Implements the MTP playback control data provider plug-in.

@internalComponent

*/

class CMTPPlaybackControlDataProvider :	public CMTPDataProviderPlugin, public MMTPPlaybackObserver

    {

public:

    static TAny* NewL(TAny* aParams);

    ~CMTPPlaybackControlDataProvider();

    CMTPPlaybackMap& GetPlaybackMap() const;

    CMTPPlaybackProperty& GetPlaybackProperty() const;

    MMTPPlaybackControl& GetPlaybackControlL();

    void RequestToResetPbCtrl();

private: // From CMTPDataProviderPlugin

    void Cancel();

    void ProcessEventL(const TMTPTypeEvent& aEvent, MMTPConnection& aConnection);

    void ProcessNotificationL(TMTPNotification aNotification, const TAny* aParams);

    void ProcessRequestPhaseL(TMTPTransactionPhase aPhase, const TMTPTypeRequest& aRequest, MMTPConnection& aConnection);

    void StartObjectEnumerationL(TUint32 aStorageId, TBool aPersistentFullEnumeration);

    void StartStorageEnumerationL();

    void Supported(TMTPSupportCategory aCategory, RArray<TUint>& aArray) const;

private: //From MMTPPlaybackObserver

    void HandlePlaybackEventL(CMTPPlaybackEvent* aEvent, TInt aErr);

private:

    CMTPPlaybackControlDataProvider(TAny* aParams);

    void ConstructL();

    TInt LocateRequestProcessorL(const TMTPTypeRequest& aRequest, MMTPConnection& aConnection);

    void SessionClosedL(const TMTPNotificationParamsSessionChange& aSession);

    void SessionOpenedL(const TMTPNotificationParamsSessionChange& aSession);

    void SendEventL(TMTPDevicePropertyCode aPropCode);

private: // Owned

    /**

    The event dataset.

    */     

    TMTPTypeEvent                   iEvent;

    /**

    The active request processors table. Multiple request processors may be 

    active in a multi-session MTP environment.

    */

    RPointerArray<MMTPRequestProcessor> iActiveProcessors;

    TInt iActiveProcessor;

    TBool iActiveProcessorRemoved;

    /**

    The iPlaybackMap map the device property or operation to valid playback command

    */

    CMTPPlaybackMap* iPlaybackMap;

    /**

    The iPlaybackProperty is a container for playback properties.

    */    

    CMTPPlaybackProperty* iPlaybackProperty;

    /**

    The checker map the device property or operation to valid playback command

    */

    MMTPPlaybackControl* iPlaybackControl;

    TBool iRequestToResetPbCtrl;

    };

#endif // CMTPPLAYBACKCONTROLDP_H