/*

* Copyright (c) 2002-2005 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:  Definition of DCF handler class.

*

*/

#ifndef DOCDCFHANDLER_H

#define DOCDCFHANDLER_H

#include <apmstd.h>          

#include <apacln.h>             // MapaEmbeddedDocObserver

#include "DocumentHandler.h"

#include "DocDefaultHandler.h"

// CONSTANTS

// FORWARD DECLARATIONS

class DRMCommon;

class CBufStore;

class CStreamDictionary;

NONSHARABLE_CLASS(CDocDCFHandler) : public CDocDefaultHandler

    {

    public:

        /**

        * Two-phased constructor. 

        *

        * @param aDataType      Data type

        * @param aOperation     Operation

        * @param aUid           UID of the handler app

        * @param aDocDispatcher Pointer to DocumentHandler instance

        *

        * @return Constructed CDocDcfHandler

        */

         static CDocDCFHandler* NewL(

            const TDataType& aDataType,

            TDocOperation aOperation,

            const TUid& aUid, 

            CDocumentHandler* aDocDispatcher);

        /**

        * EPOC constructor. (Base construction for subclasses.)

        */     

        void ConstructL();

        /**

        * Destructor.

        */

        ~CDocDCFHandler();

        /**

        * Open an application standalone. 

        *

        * @param aFileHandle File to open 

        * @return           KErrNone if success. If fail, a fail reason 

        *                   constant declared in CDocumentHandler.h

        * @since Series60 3.0

        */

        TInt OpenFileL(RFile& aFileHandle);

        /**

        * Open an application embedded. 

        *

        * @param aFileHandle File to open 

        * @return           KErrNone if success. If fail, a fail reason 

        *                   constant declared in CDocumentHandler.h

        * @since Series60 3.0

        */

        TInt OpenFileEmbeddedL(RFile& aFileHandle);

        /**

        * Copy/Move a file to the correct directory. Correct operation

        * is decided based on DocOperation(). Possible operations are

        * EDocCopy, EDocMove and EDocSilentMove.

        *

        * @param        aAttr File attributes.

        *

        * @return       KErrNone if success. If fail, a fail reason

        *               constant declared in CDocumentHandler.h

        */

        TInt CopyOrMoveL( const TUint aAttr );

        /**

        * Copy a file to the correct directory. 

        *

        * @param        aAttr File attributes.

        * @param        aSourceFile File handle to copied

        *

        * @return       KErrNone if success. If fail, a fail reason

        *               constant declared in CDocumentHandler.h

        */

        TInt CopyHandleL( const RFile& aSourceFile, const TUint aAttr );

        /**

        * Get the path where the content were saved. If the storage

        * is not a file based the path can be also any other

        * textual presentation of an object.

        *

        * This function is called e.g. when opening a buffer. The buffer

        * is saved first. After saving we have to know where we saved it

        * in order to be able to open it.

        *

        * @param aPath Path to the object

        *

        */

        void GetPath( TDes& aPath ) const;

        /**

        * Get the Uid of handler application. 

        *

        * @param aUid Uid of the handler application. In case of Media files

        * this is MediaGallery's Uid.

        */

        void HandlerAppUid( TUid& aUid ) const;

        /**

        * Is the handler capable of opening the content

        * @param aDataType  Data type for content to be launched

        *

        * @return           ETrue if yes, else EFalse 

        */

        TBool CanOpen() const;

        /**

        * Is the handler capable of saving the content

        * @param aDataType  Data type for content to be saved

        *

        * @return           ETrue if yes, else EFalse 

        */

        TBool CanSave() const;

    private:

        /**

        * C++ constructor.

        *

        * @param aDataType      A mime type for the content

        * @param aOperation     Operation

        * @param aUid           UID of the handler app

        * @param aDocDispatcher Pointer to DocumentHandler instance

        */

        CDocDCFHandler(  

            const TDataType& aDataType,

            TDocOperation aOperation,

            const TUid& aUid,

            CDocumentHandler* aDocDispatcher);

        /**

        * Handles DCF file opening.

        *

        * @param aFileHandle File which needs opening.

        * @return           KErrNone if success. If fail, a fail reason 

        *                   constant declared in CDocumentHandler.h

        * @since Series60 3.0

        */

        TInt OpenDCFFileL( RFile& aFileHandle );

        /**

        * Handles DCF file copying.

        *

        * @param aUseHandle Do we operate with filehandle

        * @param aFileHandle File which needs copying/moving

        * @param aAttr      Attributes of file 

        * @return           KErrNone if success. If fail, a fail reason 

        *                   constant declared in CDocumentHandler.h

        * @since Series60 3.0

        */

        TInt CopyDCFFileL( TBool aUseHandle, 

                           RFile& aFileHandle, 

                           const TUint aAttr);

        /**

        * Set the data type of the content. 

        *

        * @param aMIMEType  A data type in descriptor.

        */  

        void SetDataTypeL( HBufC8* MIMEType );

        /**

        * Convert DRM error code to DocumentHandler error code.

        *

        * @param aDrmError  DRM error

        * @return           General error code 

        */ 

        TInt ConvertErrorCode(TInt aDrmError);

    private:

        DRMCommon* iDRMCommon;

        TDocOperation iEntryFunc;

        CDocumentHandler* iDocHandler;

    };

#endif      // DOCDCFHANDLER_H

// End of File