--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/phonebookui/Phonebook2/Presentation/src/CPbk2AttachmentFile.cpp	Tue Feb 02 10:12:17 2010 +0200
@@ -0,0 +1,347 @@
+/*
+* Copyright (c) 2005-2007 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: 
+*        Attachment file handler
+*
+*/
+
+
+// INCLUDES
+#include    "CPbk2AttachmentFile.h"
+
+// System includes
+#include    <e32std.h>
+
+/// Unnamed namespace for local definitions
+namespace {
+
+// LOCAL CONSTANTS
+_LIT(KRamDrive, "d:");
+_LIT(KPersistentDrive, "c:");
+_LIT(KTempFilePath, "\\system\\temp\\");
+_LIT(KInvalidFileNameChars, "?*<>/\"|\\:");
+_LIT(KDefaultTempFileName, "TEMP.tmp");
+const TInt KMaxDriveNameLength = 2;
+const TInt KMaxNumberLength = 5;
+const TInt KMaxFileNumber = 99999;
+const TInt KFirstDuplicateNameIndex = 1;
+
+#ifdef _DEBUG
+enum TPanicCode
+    {
+    EPanicPostCond_Constructor = 1,
+    EPanicPreCond_ConstructL,
+    EPanicPostCond_ConstructL,
+    EPanicPreCond_CreateFileL,
+    EPanicPostCond_CreateFileL
+    };
+
+void Panic(TPanicCode aReason)
+    {
+    _LIT(KPanicText, "CPbk2AttachmentFile");
+    User::Panic(KPanicText,aReason);
+    }
+
+#endif // _DEBUG
+
+} // namespace
+
+
+// ================= MEMBER FUNCTIONS =======================
+// --------------------------------------------------------------------------
+// CPbk2AttachmentFile::NewL
+// --------------------------------------------------------------------------
+//
+EXPORT_C CPbk2AttachmentFile* CPbk2AttachmentFile::NewL(
+        const TDesC& aBaseName, 
+        RFs& aRfs, 
+        TUint aFileMode /*= EFileStream|EFileShareExclusive|EFileWrite*/)
+    {
+    CPbk2AttachmentFile* self = 
+        CPbk2AttachmentFile::NewLC( aBaseName, aRfs, aFileMode );
+    CleanupStack::Pop(self);  // self
+    return self;
+    }
+    
+// --------------------------------------------------------------------------
+// CPbk2AttachmentFile::NewLC
+// --------------------------------------------------------------------------
+//
+EXPORT_C CPbk2AttachmentFile* CPbk2AttachmentFile::NewLC(
+        const TDesC& aBaseName, 
+        RFs& aRfs, 
+        TUint aFileMode /*= EFileStream|EFileShareExclusive|EFileWrite*/)
+    {
+    CPbk2AttachmentFile* self = 
+        new(ELeave) CPbk2AttachmentFile( aRfs, aFileMode );
+    CleanupStack::PushL( self );
+    self->ConstructL( aBaseName );
+    return self;
+    }
+    
+// --------------------------------------------------------------------------
+// CPbk2AttachmentFile::~CPbk2AttachmentFile
+// --------------------------------------------------------------------------
+//
+CPbk2AttachmentFile::~CPbk2AttachmentFile()
+    {
+    DeleteFile();
+    delete iFileName;
+    delete iBaseName;
+    }
+    
+// --------------------------------------------------------------------------
+// CPbk2AttachmentFile::FileName
+// --------------------------------------------------------------------------
+//
+EXPORT_C const TDesC& CPbk2AttachmentFile::FileName() const
+    {
+    if ( iFileName )
+        {
+        return *iFileName;
+        }
+    else
+        {
+        return KNullDesC;
+        }
+    }
+    
+// --------------------------------------------------------------------------
+// CPbk2AttachmentFile::File
+// --------------------------------------------------------------------------
+//
+EXPORT_C RFile& CPbk2AttachmentFile::File()
+    {
+    return iFile;
+    }
+    
+// --------------------------------------------------------------------------
+// CPbk2AttachmentFile::Release
+// --------------------------------------------------------------------------
+//
+EXPORT_C void CPbk2AttachmentFile::Release()
+    {
+    iFile.Close();
+    iOwnsFile = EFalse;
+    }
+    
+// --------------------------------------------------------------------------
+// CPbk2AttachmentFile::SwitchDriveL
+// --------------------------------------------------------------------------
+//
+EXPORT_C void CPbk2AttachmentFile::SwitchDriveL()
+    {
+    TPtrC drive;
+    if ( iFileName )
+        {
+        // File already created successfully: switch the drive
+        TParsePtrC fileNameParser( *iFileName );
+        drive.Set( fileNameParser.Drive()==KRamDrive ? KPersistentDrive : KRamDrive );
+        }
+    else
+        {
+        // Default is RAM drive in ConstructL
+        drive.Set( KPersistentDrive );
+        }
+
+    // Create new file
+    CreateFileL( drive, KTempFilePath, *iBaseName );
+    }
+    
+// --------------------------------------------------------------------------
+// CPbk2AttachmentFile::CPbk2AttachmentFile
+// --------------------------------------------------------------------------
+//
+CPbk2AttachmentFile::CPbk2AttachmentFile(
+        RFs& aRfs, 
+        TUint aFileMode ) :
+    iRfs( aRfs ),
+    iFileMode( aFileMode )
+    {
+    // CBase::operator new will reset members
+    __ASSERT_DEBUG(!iBaseName && !iFileName && iFile.SubSessionHandle()==KNullHandle, 
+        Panic(EPanicPostCond_Constructor) );
+    }
+    
+// --------------------------------------------------------------------------
+// CPbk2AttachmentFile::ConstructL
+// --------------------------------------------------------------------------
+//
+void CPbk2AttachmentFile::ConstructL( const TDesC& aBaseName )
+    {
+    __ASSERT_DEBUG(!iBaseName && !iFileName && 
+                    iFile.SubSessionHandle()==KNullHandle, 
+                        Panic(EPanicPreCond_ConstructL));
+
+    // Call this to ensure that we create session handle that can be passed 
+    // via IPC. We are sharing RFile handles with SendUi.
+    iRfs.ShareProtected();
+    
+    // Clean up aBaseName
+    const TInt maxLength = 
+        KMaxFileName - 
+        KMaxDriveNameLength - 
+        KTempFilePath().Length() - 
+        KMaxNumberLength;
+    iBaseName = HBufC::NewL( maxLength );
+    TPtr baseName = iBaseName->Des();
+    for ( TInt i=0; i < aBaseName.Length() && i < maxLength; ++i )
+        {
+        TChar ch = aBaseName[i];
+        if ( KInvalidFileNameChars().Locate( ch ) == KErrNotFound )
+            {
+            baseName.Append( ch );
+            }
+        }
+    baseName.TrimAll();
+    if ( baseName.Length() == 0 )
+        {
+        baseName = KDefaultTempFileName;
+        }
+
+    // Try to create the file
+    TRAPD( err, CreateFileL( KRamDrive, KTempFilePath, baseName ) );
+    if ( err != KErrNone )
+        {
+        // Try on different drive
+        SwitchDriveL();
+        }
+
+    __ASSERT_DEBUG( iBaseName && iFileName, Panic(EPanicPostCond_ConstructL) );
+    }
+    
+// --------------------------------------------------------------------------
+// CPbk2AttachmentFile::CreateFileL
+// --------------------------------------------------------------------------
+//
+void CPbk2AttachmentFile::CreateFileL(
+        const TDesC& aDrive, 
+        const TDesC& aDir, 
+        const TDesC& aBaseName )
+    {
+    __ASSERT_DEBUG(iBaseName && iRfs.Handle()!=KNullHandle, 
+        Panic(EPanicPreCond_CreateFileL));
+
+    // Create and init a local buffer for the file name
+    HBufC* fileNameBuf = HBufC::NewLC( KMaxFileName );
+    TPtr fileName = fileNameBuf->Des();
+    fileName = aDrive;
+    fileName.Append( aDir );
+    // Create directory
+    TInt error = iRfs.MkDirAll( fileName );
+    if ( error != KErrAlreadyExists )
+        {
+        User::LeaveIfError( error );
+        }
+    fileName.Append( aBaseName );
+
+    TInt number = KFirstDuplicateNameIndex;
+    FOREVER
+        {
+        RFile file;
+        const TInt error = file.Create( iRfs, fileName, iFileMode );
+        if ( error == KErrNone )
+            {
+            // File created succesfully: switch state
+            DeleteFile();  // Delete previous file
+            iFile = file;
+            delete iFileName;
+            iFileName = fileNameBuf;
+            iOwnsFile = ETrue;
+            CleanupStack::Pop();  // fileNameBuf
+            __ASSERT_DEBUG(iFileName && iFile.SubSessionHandle()!=KNullHandle, 
+                Panic(EPanicPostCond_CreateFileL));
+            return;
+            }
+        else if ( error != KErrAlreadyExists )
+            {
+            User::Leave( error );
+            }
+
+        // File name was reserved: append number to basename to make it unique
+        fileName = aDrive;
+        fileName.Append( aDir );
+        TParsePtrC baseNameParser( aBaseName );
+        fileName.Append( baseNameParser.Name() );
+        fileName.AppendNum( number );
+        fileName.Append( baseNameParser.Ext() );
+        if ( ++number > KMaxFileNumber )
+            {
+            User::Leave( KErrTooBig );
+            }
+        }
+    }
+    
+// --------------------------------------------------------------------------
+// CPbk2AttachmentFile::DeleteFile
+// --------------------------------------------------------------------------
+//
+void CPbk2AttachmentFile::DeleteFile()
+    {
+    iFile.Close();
+    if ( iFileName && iOwnsFile )
+        {
+        // Delete the file. If the deletion fails for some reason trust that the
+        // system will delete the file when it cleans up temp file directories.
+        iRfs.Delete( *iFileName );
+        }
+    }
+    
+// --------------------------------------------------------------------------
+// CPbk2AttachmentFileArray::CPbk2AttachmentFileArray
+// --------------------------------------------------------------------------
+//
+EXPORT_C CPbk2AttachmentFileArray::CPbk2AttachmentFileArray( TInt aGranularity )
+    : CArrayPtrFlat<CPbk2AttachmentFile>( aGranularity )
+    {
+    }
+    
+// --------------------------------------------------------------------------
+// CPbk2AttachmentFileArray::~CPbk2AttachmentFileArray
+// --------------------------------------------------------------------------
+//
+CPbk2AttachmentFileArray::~CPbk2AttachmentFileArray()
+    {
+    // Delete all objects in the array
+    ResetAndDestroy();
+    }
+    
+// --------------------------------------------------------------------------
+// CPbk2AttachmentFileArray::MdcaCount
+// --------------------------------------------------------------------------
+//
+TInt CPbk2AttachmentFileArray::MdcaCount() const
+    {
+    return Count();
+    }
+    
+// --------------------------------------------------------------------------
+// CPbk2AttachmentFileArray::MdcaPoint
+// --------------------------------------------------------------------------
+//
+TPtrC CPbk2AttachmentFileArray::MdcaPoint( TInt aIndex ) const
+    {
+    return At( aIndex )->FileName();
+    }
+
+// --------------------------------------------------------------------------
+// CPbk2AttachmentFileArray::FileHandleAt
+// --------------------------------------------------------------------------
+//    
+RFile& CPbk2AttachmentFileArray::FileHandleAt( TInt aIndex )
+    {
+    return At( aIndex )->File();
+    }
+
+// End of File