/*+
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* Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies).+
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* All rights reserved.+
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* This component and the accompanying materials are made available+
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* under the terms of "Eclipse Public License v1.0"+
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* which accompanies this distribution, and is available+
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".+
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*+
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* Initial Contributors:+
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* Nokia Corporation - initial contribution.+
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*+
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* Contributors:+
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*+
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* Description:  Implementation class for WMDRM DLA Handler+
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*+
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*/+
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+
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+
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#ifndef C_WMDRMDLAHANDLERIMPL_H+
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#define C_WMDRMDLAHANDLERIMPL_H+
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+
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#include <e32base.h>+
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#include <f32file.h>+
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#include <wmdrmdlatypes.h>+
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+
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class CWmDrmDlaHttpLicAcqPluginFw;+
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class CWmDrmDlaHttpMeteringPluginFw;+
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class CWmDrmDlaRequest;+
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+
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/**+
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 *  Implementation class for WMDRM DLA Handler+
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 *+
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 *  @since S60 v9.1+
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 */+
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NONSHARABLE_CLASS( CWmDrmDlaHandlerImpl ) : public CActive+
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    {+
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+
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public:+
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+
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    static CWmDrmDlaHandlerImpl* NewL();+
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    static CWmDrmDlaHandlerImpl* NewLC();+
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+
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    /**+
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    * Destructor.+
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    */+
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    virtual ~CWmDrmDlaHandlerImpl();+
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+
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    /**+
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     * Checks if license acquisition for file is silent+
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     *+
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     * @param   aFile wmdrm file+
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     * @return  ETrue if license acquisition is silent+
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     * @leave   KErrNotFound if there is no handler for the file+
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     */+
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    TBool SilentL( const RFile& aFile );+
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+
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    /**+
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     * Acquire license based on the file handle+
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     *+
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     * @param   aFile wmdrm file+
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     * @param   aContentUrl contains content URL on return. Can be NULL.+
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     * If it's not NULL, it must be freed by caller.  +
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     * @param   aHtmlData contains HTML data returned by license server+
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     *                    on return. Can be NULL.+
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     * If it's not NULL, it must be freed by caller.  +
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     */+
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    void AcquireLicenseL( const RFile& aFile, HBufC*& aContentUrl, +
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                          HBufC*& aHtmlData );+
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+
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    /**+
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     * Acquire license based on the file handle, asynchronous version+
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     *+
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     * @param   aFile wmdrm file+
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     * @param   aContentUrl contains content URL on completion. Can be NULL.+
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     * If it's not NULL, it must be freed by caller.  +
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     * @param   aHtmlData contains HTML data returned by license server+
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     *                    on completion. Can be NULL.+
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     * If it's not NULL, it must be freed by caller.  +
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     * @param   aStatus Request status. On completion contains the error code.+
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     */+
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    void AcquireLicense( const RFile& aFile, HBufC*& aContentUrl, +
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                         HBufC*& aHtmlData, TRequestStatus& aStatus );+
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+
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    /**+
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     * Acquire license based on the DRM Header+
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     *+
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     * @param   aDrmHeader DRM Header+
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     * @param   aErrorUrl URL where error code is sent. Can be NULL.+
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     * @param   aContentUrl contains content URL on return. Can be NULL.+
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     * If it's not NULL, it must be freed by caller.  +
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     * @param   aHtmlData contains HTML data returned by license server+
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     *                    on return. Can be NULL.+
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     * If it's not NULL, it must be freed by caller.  +
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     */+
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    void AcquireLicenseFromDrmHeaderL( const TDesC8& aDrmHeader, +
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                                       HBufC* aErrorUrl,+
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                                       HBufC*& aContentUrl, +
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                                       HBufC*& aHtmlData );+
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+
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    /**+
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     * Acquire license based on the DRM Header, asynchronous version+
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     *+
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     * @param   aDrmHeader DRM Header+
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     * @param   aErrorUrl URL where error code is sent. Can be NULL.+
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     * @param   aContentUrl contains content URL on completion. Can be NULL.+
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     * If it's not NULL, it must be freed by caller.  +
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     * @param   aHtmlData contains HTML data returned by license server+
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     *                    on completion. Can be NULL.+
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     * If it's not NULL, it must be freed by caller.  +
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     * @param   aStatus Request status. On completion contains the error code.+
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     */+
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    void AcquireLicenseFromDrmHeader( const TDesC8& aDrmHeader, +
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                                      HBufC* aErrorUrl,+
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                                      HBufC*& aContentUrl, +
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                                      HBufC*& aHtmlData, +
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                                      TRequestStatus& aStatus );+
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+
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    /*+
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     * Cancels current and all queued license acquisition requests+
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     */+
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    void CancelLicenseAcquisition();+
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    +
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    /**+
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     * Handles metering certificate OTA+
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     *+
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     * @param   aCertificate metering certificate+
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     */+
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    void ProcessMeteringCertificateL( const TDesC8& aCertificate );+
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+
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    /**+
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     * Handles metering certificate OTA, asynchronous version+
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     *+
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     * @param   aCertificate metering certificate+
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     * @param   aStatus Request status. On completion contains the error code.+
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     */+
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    void ProcessMeteringCertificate( const TDesC8& aCertificate, +
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                                     TRequestStatus& aStatus );+
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+
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    /*+
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     * Cancels current and all queued metering requests+
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     */+
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    void CancelMetering();+
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    +
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    /**+
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     * Sets the IAP to be used in the HTTP transactions+
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     *+
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     * @param   aIapId  Internet Access Point id+
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     */+
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    void SetIapId( TInt aIapId );+
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    +
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protected: // from base class CActive+
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+
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    /**+
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    * From CActive Cancels async request.+
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    */+
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    void DoCancel();+
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+
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    /**+
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    * From CActive Called when async request completes.+
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    */+
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    void RunL();+
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+
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    /**+
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    * From CActive Called if RunL leaves.+
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    */+
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    TInt RunError( TInt aError );+
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+
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private:+
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+
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    CWmDrmDlaHandlerImpl();+
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    void ConstructL();+
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+
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    void CompleteSelf();+
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    void CompleteClientRequest( TInt aError );+
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    void CompleteSyncRequest( TInt aError );+
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    +
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    /*+
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     * Takes next request to handling.+
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     * If synchronous request is available, it will be handled first.+
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     * Otherwise next async request is taken from the queue and handled.+
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     * If there aren't any requests, state is set to idle+
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     */+
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    void NextRequest();+
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    +
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    //State handlers+
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    +
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    /*+
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     * Completes current request and retrieves next one, +
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     * if available, to handling+
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     */+
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    void Completed( TInt aError );+
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	+
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    /*+
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     * Makes asynchronous call to CWmDrmDlaHttpPluginFw to +
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     * acquire license from drm header+
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     */+
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    void AcquiringLicenseFromDrmHeader();+
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    +
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    /*+
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     * Makes asynchronous call to CWmDrmDlaHttpPluginFw to+
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     * acquire license from file+
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     */+
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    void AcquiringLicense();+
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    +
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    /*+
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     * Makes asynchronous call to CWmDrmDlaHttpPluginFw to+
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     * process metering certificate+
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     */+
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    void ProcessingMeteringCertificate();+
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    +
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private: // data+
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+
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    enum TDlaHandlerState+
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        {+
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        EIdle,+
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        EAcquiringLicense,+
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        EAcquiringLicenseFromDrmHeader,+
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        EProcessingMeteringCertificate,+
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        ECompleted+
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        };+
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+
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    TDlaHandlerState iState;+
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    CWmDrmDlaHttpLicAcqPluginFw* iLicenseAcquisitionFw;+
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    CWmDrmDlaHttpMeteringPluginFw* iMeteringFw;+
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    RPointerArray<CWmDrmDlaRequest> iRequests;+
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    CWmDrmDlaRequest* iCurrentRequest;+
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    CWmDrmDlaRequest* iSyncRequest;+
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    TInt iSyncReturnValue;+
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    CActiveSchedulerWait* iWait;+
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    };+
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+
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#endif // C_WMDRMDLAHANDLERIMPL_H+
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