--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/mmlibs/mmfw/src/Plugin/StdSourceAndSink/fileaccess.cpp Tue Feb 02 01:56:55 2010 +0200
@@ -0,0 +1,330 @@
+// Copyright (c) 2004-2009 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:
+//
+
+#include <f32file.h>
+#include <e32std.h>
+#include <caf/attribute.h>
+#include <caf/bitset.h>
+#include <caf/content.h>
+#include <caf/data.h>
+using namespace ContentAccess;
+#include <f32file.h>
+
+#include "FileAccess.h"
+
+CF32File::~CF32File()
+ {
+ if (!iFileHandle)
+ iFile.Close();
+ delete iFilePath;
+ }
+
+CF32File* CF32File::NewL(RFs& aSession, TDesC& aFilePath, TUint aMode)
+ {
+ CF32File* self = new (ELeave) CF32File;
+ CleanupStack::PushL(self);
+ self->ConstructL(aSession, aFilePath, aMode);
+ CleanupStack::Pop(self);
+ return self;
+ }
+
+
+void CF32File::ConstructL(RFs& aSession, TDesC& aPath, TUint aFileMode)
+ {
+ iSession = &aSession;
+ iFilePath = aPath.AllocL();
+ TUint attributes = 0;
+ TInt err = iSession->Att(*iFilePath, attributes);
+ if (err == KErrNone)
+ {
+ if ( attributes & KEntryAttReadOnly )
+ User::LeaveIfError(iFile.Open(*iSession, *iFilePath, EFileShareReadersOnly )) ;
+ else //if ( !( attributes & KEntryAttReadOnly ) )
+ User::LeaveIfError(iFile.Open(*iSession, *iFilePath, aFileMode)) ;
+ }
+ else if ((err == KErrNotFound) && (aFileMode & EFileWrite))
+ {
+ User::LeaveIfError(iFile.Create(*iSession, *iFilePath, aFileMode )) ;
+ }
+ else
+ {
+ User::Leave(err);
+ }
+ }
+
+
+RFile& CF32File::FileL()
+ {
+ return iFile;
+ }
+
+TInt CF32File::Data(CData*& /*aData*/)
+ {
+ return KErrNotSupported;
+ }
+
+TInt CF32File::Seek(TSeek aSeekMode, TInt aPos)
+ {
+ return iFile.Seek(aSeekMode, aPos);
+ }
+
+TInt CF32File::Read(TDes8& aDes,TInt aLength)
+ {
+ return iFile.Read(aDes, aLength);
+ }
+
+void CF32File::Read(TDes8& aDes, TInt aLength, TRequestStatus& aStatus)
+ {
+ iFile.Read(aDes, aLength, aStatus);
+ }
+
+TInt CF32File::Write(const TDesC8& aDes,TInt aLength)
+ {
+ return iFile.Write(aDes, aLength);
+ }
+
+void CF32File::Write(const TDesC8& aDes, TInt aLength, TRequestStatus& aStatus)
+ {
+ iFile.Write(aDes, aLength, aStatus);
+ }
+
+TInt CF32File::Size(TInt& aSize)
+ {
+ return iFile.Size(aSize);
+ }
+
+TInt CF32File::SetSize(TInt aSize)
+ {
+ TInt err = iFile.SetSize(aSize);
+ if(err == KErrNone)
+ iFileSize = aSize;
+ else
+ iFileSize = -1;
+
+ return err;
+ }
+
+TInt CF32File::EvaluateIntent(TIntent /*aIntent*/) const
+ {
+ return KErrNone;
+ }
+
+
+TInt CF32File::ExecuteIntent(TIntent /*aIntent*/)
+ {
+ return KErrNone;
+ }
+
+TBool CF32File::IsProtected() const
+ {
+ return EFalse;
+ }
+
+TInt CF32File::Read(TInt aPosition, TDes8& aDes, TInt aLength, TRequestStatus& aStatus)
+ {
+ iFile.Read(aPosition, aDes, aLength, aStatus);
+ return KErrNone;
+ }
+
+TInt CF32File::SetAgentProperty(TAgentProperty /*aProperty*/, TInt /*aValue*/)
+ {
+ // not an error to set this if not supported, just wont do anything
+ return KErrNone;
+ }
+
+CContentFile::~CContentFile()
+ {
+ delete iData;
+
+ if (iLegacyFileOpen)
+ iLegacyFile.Close();
+ delete iFilePath;
+ }
+
+
+CContentFile* CContentFile::NewL(RFs& aSession, const TDesC& aFilePath, const TDesC& aUniqueId, TUint aMode, TBool aEnableUI)
+ {
+ CContentFile* self = new (ELeave) CContentFile;
+ CleanupStack::PushL(self);
+ self->ConstructL(aSession, aFilePath, aUniqueId, aMode, aEnableUI);
+ CleanupStack::Pop(self);
+ return self;
+ }
+
+void CContentFile::ConstructL(RFs& aSession, const TDesC& aPath, const TDesC& aUniqueId, TUint /*aMode*/, TBool aEnableUI)
+ {
+ iSession = &aSession;
+ iFilePath = aPath.AllocL();
+
+ // Assume that we want the content to be shared and read-only.
+ if (aUniqueId.Length() > 0)
+ {
+ iData = CData::NewL(TVirtualPathPtr(*iFilePath, aUniqueId), EContentShareReadWrite);
+ }
+ else
+ {
+ iData = CData::NewL(TVirtualPathPtr(*iFilePath), EContentShareReadWrite);
+ }
+
+ TInt err = iData->SetProperty(EAgentPropertyAgentUI, aEnableUI);
+ if (err != KErrNone && err != KErrCANotSupported)
+ {
+ User::Leave(err);
+ }
+ User::LeaveIfError(iData->EvaluateIntent(EPeek));
+ }
+
+
+
+TInt CContentFile::EvaluateIntent(TIntent aIntent) const
+ {
+ ASSERT(iData);
+ return iData->EvaluateIntent(aIntent);
+ }
+
+
+TInt CContentFile::ExecuteIntent(TIntent aIntent)
+ {
+ ASSERT(iData);
+ return iData->ExecuteIntent(aIntent);
+ }
+
+TBool CContentFile::IsProtected() const
+ {
+ ASSERT(iData);
+ TInt value = 0;
+ TInt err =iData->GetAttribute(EIsProtected, value);
+ return (err == KErrNone && value);
+ }
+
+TInt CContentFile::SetAgentProperty(ContentAccess::TAgentProperty aProperty, TInt aValue)
+ {
+ ASSERT(iData);
+ return iData->SetProperty(aProperty, aValue);
+ }
+
+TInt CContentFile::Seek(TSeek aSeekMode, TInt aPos)
+ {
+ ASSERT(iData);
+ return iData->Seek(aSeekMode, aPos);
+ }
+
+TInt CContentFile::Read(TDes8& aDes,TInt aLength)
+ {
+ ASSERT(iData);
+ return iData->Read(aDes,aLength);
+ }
+
+void CContentFile::Read(TDes8& aDes, TInt aLength, TRequestStatus& aStatus)
+ {
+ ASSERT(iData);
+ iData->Read(aDes, aLength, aStatus);
+ }
+
+TInt CContentFile::Write(const TDesC8& /*aDes*/,TInt /*aLength*/)
+ {
+ return KErrAccessDenied;
+ }
+void CContentFile::Write(const TDesC8& /*aDes*/, TInt /*aLength*/, TRequestStatus& aStatus)
+ {
+ TRequestStatus* status = &aStatus;
+ User::RequestComplete(status, KErrAccessDenied);
+ }
+
+TInt CContentFile::SetSize(TInt /*aSize*/)
+ {
+ // Only a source is implemented, hence this cannot be allowed
+ return KErrAccessDenied;
+ }
+
+
+// Get the size of file
+// this method opens a new, read-only, RFile the first time this method is called
+
+TInt CContentFile::Size(TInt& aSize)
+ {
+ ASSERT(iData);
+ TRAPD(err, iData->DataSizeL(aSize));
+ return err;
+ }
+
+/**
+ * return a RFile for the legacy RFile method
+ * this method opens a new, read-only, RFile the first time this method is called
+ * @internalTechnology
+ * @return Reference to RFile handle to current file
+ */
+RFile& CContentFile::FileL()
+ {
+ if (!iLegacyFileOpen)
+ {
+ User::LeaveIfError(iLegacyFile.Open(*iSession, *iFilePath, EFileRead | EFileStream | EFileShareReadersOrWriters));
+ iLegacyFileOpen = ETrue;
+ }
+ return iLegacyFile;
+ }
+
+TInt CContentFile::Data(CData*& aData)
+ {
+ if (iData==NULL)
+ {
+ return KErrNotReady;
+ }
+ else
+ {
+ aData = iData;
+ return KErrNone;
+ }
+ }
+
+CF32File* CF32File::NewL(RFile& aFile)
+ {
+ CF32File* self = new (ELeave) CF32File;
+ CleanupStack::PushL(self);
+ self->ConstructL(aFile);
+ CleanupStack::Pop(self);
+ return self;
+ }
+
+void CF32File::ConstructL(RFile& aFile)
+ {
+ iFile = aFile;
+ iFileHandle = ETrue;
+ }
+
+CContentFile* CContentFile::NewL(RFile& aFile, const TDesC& aUniqueId, TBool aEnableUI)
+ {
+ CContentFile* self = new (ELeave) CContentFile;
+ CleanupStack::PushL(self);
+ self->ConstructL(aFile, aUniqueId, aEnableUI);
+ CleanupStack::Pop(self);
+ return self;
+ }
+
+void CContentFile::ConstructL(RFile& aFile, const TDesC& aUniqueId, TBool aEnableUI)
+ {
+ iData = CData::NewL(aFile, aUniqueId);
+ TInt err = iData->SetProperty(EAgentPropertyAgentUI, aEnableUI);
+ if (err != KErrNone && err != KErrCANotSupported)
+ {
+ User::Leave(err);
+ }
+ User::LeaveIfError(iData->EvaluateIntent(EPeek));
+ }
+
+TInt CContentFile::Read(TInt aPosition, TDes8& aDes, TInt aLength, TRequestStatus& aStatus)
+ {
+ return iData->Read(aPosition, aDes, aLength, aStatus);
+ }