--- a/mmfenh/enhancedmediaclient/Plugins/ProgDLSource/inc/MmfFile.h Mon May 03 12:59:52 2010 +0300
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,275 +0,0 @@
-/*
-* 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: Header of ProgDLSource.
-*
-*/
-
-#ifndef __MMFFILE_H_
-#define __MMFFILE_H_
-
-#include <f32file.h>
-
-#include <mmf/server/mmfclip.h>
-#include <mmf/server/mmfdatabuffer.h>
-#include <mmf/common/mmcaf.h>
-
-class CReadWriteRequest;
-class CTransferBufferCopy;
-class MGenericFile;
-
-/**
-@publishedAll
-@released
-
- Provides the filename and path of file.
-
- Used by CMMFFile::ConstructL().
-*/
-class TMMFFileParams
- {
- public:
- /**
- Filename and path of file.
- */
- TFileName iPath ; // Filename and path of file.
- private:
- /**
- This member is internal and not intended for use.
- */
- TInt iReserved1;
- };
-
- /**
- @internalTechnology
-*/
-const TUid KFileHandleUid = {0x101FFA19};
-const TUid KMMFileSourceUid = {0x101F7DA9};
-const TUid KMMFileHandleSourceUid = {0x101F7DAA};
-
-/**
-@publishedAll
-@released
-
- Provides a pointer to the file handle
-
- Used by CMMFFile::ConstructL().
-*/
-class TMMFFileHandleParams
- {
- public:
- TMMFFileHandleParams(RFile* aFile) : iUid(KFileHandleUid), iFile(aFile) {}
- TMMFFileHandleParams() : iUid(KFileHandleUid) {}
-
- TUid iUid;
- /**
- Handle of file
- */
- RFile* iFile;
- private:
- /**
- This member is internal and not intended for use.
- */
- TInt iReserved1;
- };
-
-
-
-
- /**
- @publishedAll
- @released
-*/
-typedef TPckgBuf<TMMFFileParams> TMMFFileConfig ;
-
-/**
-@publishedAll
-@released
-*/
-typedef TPckgBuf<TMMFFileHandleParams> TMMFFileHandleConfig ;
-
-
-/**
-@publishedAll
-@released
-
- This details how big the iTransferBufferCopies array of CMMFFile may
- become before we start looking to free entries.
-*/
-const TInt KAcceptableTransferBufferCopiesSize = 5;
-
-/**
-@publishedAll
-@released
-
- This details how big the iTransferBufferCopies array of CMMFFile may
- become before we start looking to free entries.
-*/
-const TInt KMaximumTransferBufferCopiesSize = 100;
-
-
-/**
-@publishedAll
-@released
-
- MultiMedia framework class. Represents a physical file.
-
- This may be source file from which data is read or destination to which data is written.
-
- Intended to be used by controller plugin developers for source and sink plugins.
-*/
-class CMMFFile : public CMMFClip
- {
- public:
- // From MDataSource
- virtual TFourCC SourceDataTypeCode(TMediaId aMediaId) ;
- virtual void FillBufferL( CMMFBuffer* aBuffer, MDataSink* aConsumer, TMediaId aMediaId ) ;
- virtual void BufferEmptiedL( CMMFBuffer* aBuffer ) ;
- virtual TBool CanCreateSourceBuffer() ;
- virtual CMMFBuffer* CreateSourceBufferL( TMediaId aMediaId, TBool &aReference ) ;
- virtual TInt SourceThreadLogon(MAsyncEventHandler& aEventHandler) ;
- virtual void SourceThreadLogoff();
- virtual void SourcePrimeL();
- virtual void SourceStopL();
-
- // From MDataSink
- virtual TFourCC SinkDataTypeCode(TMediaId aMediaId) ; //used by data path MDataSource/Sink for codec matching
- virtual void EmptyBufferL( CMMFBuffer* aBuffer, MDataSource* aSupplier, TMediaId aMediaId ) ;
- virtual void BufferFilledL( CMMFBuffer* aBuffer ) ;
- virtual TBool CanCreateSinkBuffer() ;
- virtual CMMFBuffer* CreateSinkBufferL( TMediaId aMediaId , TBool &aReference) ;
- virtual TInt SinkThreadLogon(MAsyncEventHandler& aEventHandler) ;
- virtual void SinkThreadLogoff();
- virtual void SinkPrimeL();
- virtual void SinkStopL();
-
- // From CMMFClip
- virtual void ReadBufferL( TInt aLength, CMMFBuffer* aBuffer, TInt aPosition, MDataSink* aConsumer);
- virtual void WriteBufferL( TInt aLength, CMMFBuffer* aBuffer, TInt aPosition, MDataSource* aSupplier);
- virtual void ReadBufferL( CMMFBuffer* aBuffer, TInt aPosition, MDataSink* aConsumer) ;
- virtual void WriteBufferL( CMMFBuffer* aBuffer, TInt aPosition, MDataSource* aSupplier) ;
- virtual void ReadBufferL( CMMFBuffer* aBuffer, TInt aPosition ) ;
- virtual void WriteBufferL( CMMFBuffer* aBuffer, TInt aPosition ) ;
- virtual TInt64 BytesFree() ; // amount of space available for the clip
- virtual TInt Size() ;
- virtual TInt Delete();
- virtual TInt SetSize(TInt aSize);
-
- // New Functions
- virtual const TDesC& FileName() const ;
- virtual const TDesC& Extension() const ;
- virtual const TDesC& FilePath() const ;
- virtual const TDesC& FileDrive() const ;
- virtual const TFileName FullName() const;
- virtual RFile& FileL() ;
-
- public :
- virtual ~CMMFFile() ;
- static MDataSource* NewSourceL() ;
- static MDataSink* NewSinkL() ;
-
- void SetTransferBuffer (TBool aTBuffer) ;
- TBool CanUseTransferBuffer () ;
- virtual TBool SinkStopped();
-
- protected:
- /**
- Indicates for which purpose the object instance is being created
- */
- enum TMMFileMode
- {
- /** The object is created for being a source */
- ESourceMode,
- /** The object is created for being a sink */
- ESinkMode
- };
- virtual void ConstructSourceL( const TDesC8& aInitData ) ;
- virtual void ConstructSinkL( const TDesC8& aInitData ) ;
- void ConstructL(const TDesC8& aInitData, TMMFileMode aFileMode) ;
- CMMFFile() ;
-
- void StoreRequestL( CReadWriteRequest* aRequest ) ;
- void CancelRequests();
-
-
- CTransferBufferCopy* ObtainCopyOfTransferBufferL(TInt aMaxLength);
-
- public:
- // Additional virtuals for DRM Intent
- virtual TInt ExecuteIntent(ContentAccess::TIntent aIntent);
- virtual TInt EvaluateIntent(ContentAccess::TIntent aIntent) const;
- virtual TBool IsProtectedL() const;
-
- virtual TInt SetAgentProperty(ContentAccess::TAgentProperty aProperty, TInt aValue);
- virtual const TDesC& UniqueId() const;
-
- private:
- class CMMFFileAsyncEventHandler : public MAsyncEventHandler
- {
- public:
- CMMFFileAsyncEventHandler(CMMFFile* aParent);
- virtual ~CMMFFileAsyncEventHandler();
- public:
- virtual TInt SendEventToClient(const TMMFEvent& aEvent);
- private:
- CMMFFile* iParent;
- };
-
- class CCAFParameters : public CBase
- {
- public:
- CCAFParameters() : iUniqueId(NULL), iEnableUI(EFalse) {}
- ~CCAFParameters() { delete iUniqueId; }
- public:
- HBufC* iUniqueId;
- TBool iEnableUI;
- };
-
- private:
- MGenericFile* iFile;
- RFs iFsSession;
-
- TBool iFileHandle;
- RFile iHandle;
- TBool iReserved;
-
- TBool iSinkNotStopped;
-
- TFileName iFullFileName ;
- HBufC* iFileName ;
- HBufC* iFileExt ;
- HBufC* iFilePath ;
- HBufC* iFileDrive ;
- CCAFParameters* iCAFParameters;
- TInt iFileSize; //holds the cached file size
-
- //Keeps track of the read position within the file. Needed in order to enable passing of the
- //read position to the CReadRequest to manage the LastBuffer flag.
- //NB: Continuous reads once EOF has been reached will result in iPosition going > iFileSize,
- //but this causes no ill effects
- TUint iPosition;
-
- TFourCC iSinkFourCC ;
- TFourCC iSourceFourCC ;
-
-
- RPointerArray<CReadWriteRequest> iRequests;
-
- MAsyncEventHandler *iEventHandler;
- CMMFFileAsyncEventHandler* iMmfFileEventHandler;
-
- RPointerArray<CTransferBufferCopy> iTransferBufferCopies;
- friend class CMMFFileAsyncEventHandler;
- };
-
-#endif