/*

* Copyright (c) 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:      Utility for working with files in upnp context 

*

*/

// INCLUDE FILES

// System

#include <e32std.h>

#include <upnpelement.h>

#include <DRMCommon.h>              // OEM-DRM

#include <caf/content.h>                // CAF (WM-DRM check)

#include <caf/agent.h>                  // CAF (WM-DRM check)

#include <pathinfo.h>               // PathInfo

#include <upnpitem.h>

#include <upnpattribute.h>          // for getting resource protocol info

#include <upnpdlnaprotocolinfo.h>   // for resolving object mimetypE

// upnpframework / avcontroller helper api

#include "upnpitemutility.h"        // FindAttributeByName

#include "upnpconstantdefs.h"       // KAttributeSize

#include "upnpinternalfileutility.h"

// upnpframework / internal api's

#include "upnpsettingsengine.h"     // get target drive

#include "upnpcommonutils.h"        // for FileExtensionByMimeTypeL

_LIT( KComponentLogfile, "upnpavcontrollerhelper.txt");

#include "upnplog.h"

// CONSTANTS

//_LIT( KWmDrmAgentName,     "PV WMA CAF Agent" );

//_LIT( K60WmDrmAgentName,   "WM DRM Agent" );

//const TInt64 KPhoneMemoryThreshold    = 1048576; //1MB

_LIT( KTempPrefix, "upnpfwtemp");

// --------------------------------------------------------------------------

// UPnPFileUtility::GetSelectedDownloadLocationL

//---------------------------------------------------------------------------

EXPORT_C HBufC* UPnPInternalFileUtility::GetSelectedDownloadLocationL()

    {

    __LOG( "UPnPFileUtility::GetSelectedDownloadLocationL" );

    HBufC* copyLocation = HBufC::NewL( KMaxFileName );

    CleanupStack::PushL( copyLocation );

    TBool copyLocationIsPhoneMemory = 0;

    TPtr copyLocationPtr( copyLocation->Des() );

    CUPnPSettingsEngine* settingsEngine = CUPnPSettingsEngine::NewL();

    CleanupStack::PushL( settingsEngine );

    TRAPD( error, settingsEngine->GetCopyLocationL( 

        copyLocationPtr, copyLocationIsPhoneMemory ) )

    // Something wrong in getting copy location. Default to 

    // phone memory.

    if( error != KErrNone )

        {

        TPtrC phoneDrive( PathInfo::PhoneMemoryRootPath() );

        copyLocation->Des().Append( phoneDrive );

        }

    CleanupStack::PopAndDestroy( settingsEngine );

    CleanupStack::Pop( copyLocation );

    return copyLocation; // transfer ownership

    }

// --------------------------------------------------------------------------

// UPnPFileUtility::CreateTmpFileNameL

//---------------------------------------------------------------------------

EXPORT_C HBufC* UPnPInternalFileUtility::CreateTmpFileNameL( const CUpnpItem& aItem )

    {

    __LOG( "UPnPFileUtility::CreateTmpFileName" );

    HBufC* tempfilename = NULL;

    HBufC* fileExt = NULL;

    // Get file extension        

    const CUpnpElement& res =

        UPnPItemUtility::ResourceFromItemL( aItem );        

    const CUpnpAttribute* attr = UPnPItemUtility

        ::FindAttributeByName( res, KAttributeProtocolInfo );

        if ( attr != 0 )

        {

        CUpnpDlnaProtocolInfo* pInfo =

            CUpnpDlnaProtocolInfo::NewL( attr->Value() );

        CleanupStack::PushL( pInfo );

        fileExt = UPnPCommonUtils::FileExtensionByMimeTypeL(

            pInfo->ThirdField() );

        CleanupStack::PopAndDestroy( pInfo );

        pInfo = NULL;

        }

    // If file extension exist create whole file name.

    if( fileExt )

        {

        CleanupStack::PushL( fileExt );

        tempfilename = HBufC::NewL( 

            KTempPrefix().Length() + 

            aItem.Id().Length() + 

            fileExt->Length() );

        CleanupStack::PushL( tempfilename );

        // Add prefix

        tempfilename->Des().Append( KTempPrefix ); 

        // Add item name. Convert 8 to 16 and replace illeagal characters.

        HBufC8* tmpItemName8 = 

            UPnPCommonUtils::ReplaceIllegalFilenameCharactersL( 

            aItem.Id() );

        CleanupStack::PushL( tmpItemName8 );

        HBufC* itemname = HBufC::NewL( tmpItemName8->Length() );

        CleanupStack::PushL( itemname );

        itemname->Des().Copy( *tmpItemName8 );

        tempfilename->Des().Append( *itemname );

        CleanupStack::PopAndDestroy( itemname );

        CleanupStack::PopAndDestroy( tmpItemName8 );

        // Add file extension

        tempfilename->Des().Append( *fileExt );

        CleanupStack::Pop( tempfilename );

        CleanupStack::PopAndDestroy( fileExt );

        }

    else // Create without file extension

        {

        tempfilename = HBufC::NewL( 

            KTempPrefix().Length() + aItem.Id().Length() );

        CleanupStack::PushL( tempfilename );

        // Add prefix

        tempfilename->Des().Append( KTempPrefix ); 

        // Add item name. Convert 8 to 16 and replace illeagal characters.

        HBufC8* tmpItemName8 = 

            UPnPCommonUtils::ReplaceIllegalFilenameCharactersL( 

            aItem.Id() );

        CleanupStack::PushL( tmpItemName8 );

        HBufC* itemname = HBufC::NewL( tmpItemName8->Length() );

        CleanupStack::PushL( itemname );

        itemname->Des().Copy( *tmpItemName8 );

        tempfilename->Des().Append( *itemname );

        CleanupStack::PopAndDestroy( itemname );

        CleanupStack::PopAndDestroy( tmpItemName8 );

        CleanupStack::Pop( tempfilename );

        }

    return tempfilename; //transfer ownership

    }