/*

* Copyright (c) 2006-2007 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:  Implementation class of DRM Rights Info API

*

*/

#ifndef CDRMRIGHTSINFOIMPL_H

#define CDRMRIGHTSINFOIMPL_H

//*** system include files go here:

#include <e32base.h>

#include <f32file.h>

#include <caf/caftypes.h>

#include <DRMRightsClient.h>

#include <drmutilitytypes.h>

namespace DRM

{

    //*** Forward declarations

    class CDrmRightsInfoData;

    class MDrmAsyncObserver;

    class CDrmUtilityCommon;

 /**

  *  Utility class for DRM related rights information handling

  *

  *  @lib drmrightsinfoimpl.lib

  *  @since S60 v5.0

  */

NONSHARABLE_CLASS( CDrmRightsInfoImpl ) : public CActive

    {

public:

    IMPORT_C static CDrmRightsInfoImpl* NewL();

    IMPORT_C static CDrmRightsInfoImpl* NewLC();

    virtual ~CDrmRightsInfoImpl();

    /**

     * Checks the rights and their status for a specific unique id

     *

     * @param[in]   aUniqueId : The unique identifier or the content

     * @param[in]   aIntent : The intent for the rights to check

     * @param[out]  aDetails : Details of the rights status

     * @return none

     * @leave System wide error code

     */

    IMPORT_C void CheckRightsL(

        const TDesC& aUniqueId,

        ContentAccess::TIntent aIntent,

        TDrmRightsInfo& aDetails );

    /**

     * Checks the rights and their status for a specific unique id

     *

     * @param[in]   aUniqueId   The unique identifier or the content

     * @param[in]   aIntent     The intent for the rights to check

     * @param[out]  aDetails    Details of the rights status

     * @param[in]   aObserver   Observer which gets reported of

     *                          the async operation

     *

     * @return Operation identifier

     *

     * @leave System wide error code

     */

    IMPORT_C TInt CheckRightsAsyncL(

        const TDesC& aUniqueId,

        ContentAccess::TIntent aIntent,

        TDrmRightsInfo& aDetails,

        MDrmAsyncObserver& aObserver );

    /**

     * Cancel an asyncronous operation

     *

     * @since S60 v5.0

     * @param[in]   aOperationId    identifier of the async operation

     *                              to be cancelled

     * @return KErrNotFound if the operation has already been executed

     *         or it does not exist

     */

    IMPORT_C TInt CancelOperation( TInt aOperationId );

public: // From base classes

protected: // Functions from base classes

    /**

    * From CActive Cancels async request.

    */

    void DoCancel();

    /**

    * From CActive Called when async request completes.

    */

    void RunL();

    /**

    * From CActive Called when RunL leaves

    */

    TInt RunError( TInt aError );

private:

    CDrmRightsInfoImpl();

    void ConstructL();

    void PerformCheckRightsL( CDrmRightsInfoData& aData );

    void AppendToQueue( CDrmRightsInfoData* aData );

    CDrmRightsInfoData* PopFront();

private: // Data members

    // DrmUtilityCommon

    CDrmUtilityCommon* iDrmUtilityCommon;

    // Oma Drm client

    RDRMRightsClient iOmaClient;

    // WM Drm Client

    // RWMDrmClient iWmClient;

    // current request status:

    MDrmAsyncObserver* iObserver;

    TInt iOperationId;

    // Operation Queue:

    CDrmRightsInfoData* iFirst;

    CDrmRightsInfoData* iLast;

    // To prevent queue handling from being messed up by threads

    RSemaphore iSemaphore;

    };

}

#endif // CDRMRIGHTSINFOIMPL_H