mmfenh/progressivedownload/ProgressiveDownloadUtility/src/ContentFile.cpp
changeset 0 71ca22bcf22a
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mmfenh/progressivedownload/ProgressiveDownloadUtility/src/ContentFile.cpp	Tue Feb 02 01:08:46 2010 +0200
@@ -0,0 +1,178 @@
+/*
+* 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:  Progressive Download Utility  Implementation of ContentFile Classes.
+*
+*/
+
+#include <f32file.h>
+#include <e32std.h>
+#include <caf/attribute.h>
+#include <caf/bitset.h>
+
+using namespace ContentAccess;
+
+#include "ContentFile.h"
+
+
+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 | EFileShareReadersOnly));
+        iLegacyFileOpen = ETrue;
+        }
+    return iLegacyFile;
+    }
+
+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));
+    }