/*

* Copyright (c) 2002-2006 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: Implementation of the CProEngToneHandler.

*

*/

// INCLUDE FILES

#include    "CProEngToneHandler.h"

#include    <bautils.h> // BaflUtils

#include    <AknGlobalNote.h> // CAknGlobalNote

#include    <barsread.h>  // TResourceReader

#include    <barsc.h>  // RResourceFile

#include    <e32const.h> // KKilo

#include    "CProEngMediaVariation.h"

#include 	<centralrepository.h>

#include    <ProfileEngineDomainCRKeys.h> // KProEngRingingToneMaxSize

#include    <ProfileEng.hrh>

namespace

	{

	// CONSTANTS

	_LIT( KProEngROMDriveLetter, "Z:" );

	// The filename of the resource file

	_LIT( KProEngResourceFileName, "Z:ProEngWrapper.RSC" );

	}

// ============================ MEMBER FUNCTIONS ===============================

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

// CProEngToneHandler::CProEngToneHandler

// C++ default constructor can NOT contain any code, that might leave.

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

//

CProEngToneHandler::CProEngToneHandler()

    {

    }

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

// CProEngToneHandler::ConstructL

// Symbian 2nd phase constructor can leave.

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

//

void CProEngToneHandler::ConstructL()

    {

    DrmConstructL();

    User::LeaveIfError( iFs.Connect() );

    iMediaVariation = CProEngMediaVariation::NewL();

    GetMaxToneFileSizeL( iToneFileSizeLimitKB );

    }

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

// CProEngToneHandler::NewLC

// Two-phased constructor.

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

//

CProEngToneHandler* CProEngToneHandler::NewLC()

    {

    CProEngToneHandler* self = new( ELeave ) CProEngToneHandler();

    CleanupStack::PushL( self );

    self->ConstructL();

    return self;

    }

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

// CProEngToneHandler::NewL

// Two-phased constructor.

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

//

CProEngToneHandler* CProEngToneHandler::NewL()

    {

    CProEngToneHandler* self = CProEngToneHandler::NewLC();

    CleanupStack::Pop( self );

    return self;

    }

// Destructor

CProEngToneHandler::~CProEngToneHandler()

    {

    delete iMediaVariation;

    iFs.Close();

    ReleaseDrm();

    }

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

// CProEngToneHandler::CheckToneFileL

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

//

TInt CProEngToneHandler::CheckToneFileL( const TDesC& aFileName, TInt aToneType )

    {

    // Check the file which is tried to set as ringing or alert tone.

    TInt returnValue( DoCheckToneFileL( aFileName, aToneType ) );

    if( returnValue != KErrNone )

        {

        return returnValue;

        }

    if( IsProtected( aFileName ) && CanSetAutomated( aFileName ) )

        {

        // If the file in question is unactivated protected content,

        // ask user if he/she wants to activate it.

        if( AskAutomated( aFileName ) == KErrCancel )

            {

            // User doesn't want to activate unactivated protected content.

            return KErrCancel;

            }

        }

    return KErrNone;

    }

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

// CProEngToneHandler::HandleAutomatedContentL

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

//

TInt CProEngToneHandler::HandleAutomatedContent( TProfileSettingId aSettingId,

                                                 const TDesC& aFileName,

                                                 const TDesC& aOldFileName)

    {

    // Register file as automated content

    TInt err( SetAutomated( aSettingId, aFileName ) );

    if( !err )

        {

        // Remove the old tone from the automated content list

        RemoveAutomated( aOldFileName );

        }

    return err;

    }

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

// CProEngToneHandler::DoCheckToneFileL

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

//

TInt CProEngToneHandler::DoCheckToneFileL( const TDesC& aFileName, TInt aToneType )

    {

    if( aFileName.Length() == 0 )

        {

        // The filename is empty, ok.

        // It will be changed to "No_sound.wav" when writing to Profiles Engine.

        return KErrNone;

        }

    if( !BaflUtils::FileExists( iFs, aFileName ) )

        {

        // The file does not exist. No good (start the dance).

        return KErrNotFound;

        }

    // The file exists. Check its data (MIME) type.

    TBuf< KMaxDataTypeLength > dataType;

    iMediaVariation->GetDataTypeL( aFileName, dataType );

    if( !iMediaVariation->IsSupported( dataType ) )

        {

        return KErrNotSupported;

        }

    // File size check for ringing tones 1&2

    if (aToneType == EProfileSettingIdRingingTone  ||

        aToneType == EProfileSettingIdRingingTone2)

        {

        if (KErrNone != CheckFileSizeLimit( aFileName ))

            {

            return KErrTooBig;

            }

        }

    // The file is a sound file. Can it be found on ROM

    if( aFileName.Left( KProEngROMDriveLetter().Length() ).

        CompareF( KProEngROMDriveLetter ) == 0 )

        {

        // Tone files on ROM are always valid

        return KErrNone;

        }

    TInt result( KErrNone );

    if( IsProtected( aFileName ) )

        {

        if( !iMediaVariation->IsAllowedProtected( dataType ) )

            {

            return KErrArgument;

            }

        result = CheckProtectedFileL( aFileName );

        }

    else if( !iMediaVariation->IsAllowedUnProtected( dataType ) )

        {

        result = KErrPermissionDenied;

        }

    return result;

    }

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

// CProEngToneHandler::ShowErrorNoteL

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

//

void CProEngToneHandler::ShowErrorNoteL( TInt aResourceId )

    {

	TParse* fp = new(ELeave) TParse();

	fp->Set(KProEngResourceFileName, &KDC_RESOURCE_FILES_DIR, NULL);

	TFileName localizedFileName( fp->FullName() );

	delete fp;

    BaflUtils::NearestLanguageFile( iFs, localizedFileName );

    RResourceFile resourceFile;

    resourceFile.OpenL( iFs, localizedFileName );

    CleanupClosePushL( resourceFile );

    resourceFile.ConfirmSignatureL();

    HBufC8* resBuf = resourceFile.AllocReadLC( aResourceId );

    TResourceReader reader;

    reader.SetBuffer( resBuf );

    TPtrC errorText( reader.ReadTPtrC() );

    CAknGlobalNote* note = CAknGlobalNote::NewLC();

    note->ShowNoteL( EAknGlobalInformationNote, errorText );

	CleanupStack::PopAndDestroy( 3, &resourceFile );

    }

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

// CProEngToneHandler::CheckFileSizeLimitL

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

//

TInt CProEngToneHandler::CheckFileSizeLimit( const TDesC& aFileName ) const

    {

    TInt error = KErrNone;

    if ( iToneFileSizeLimitKB )

        {

        if ( CheckToneFileSize( aFileName, iToneFileSizeLimitKB ) != KErrNone )

            {

            error = KErrTooBig;

            }

        }

    return error;

    }

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

// CProEngToneHandler::GetMaxToneFileSizeL

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

//

void CProEngToneHandler::GetMaxToneFileSizeL( TInt& aMaxSizeKB ) const

    {

	CRepository* cenrep = CRepository::NewL( KCRUidProfileEngine );

	TInt error = cenrep->Get( KProEngRingingToneMaxSize, aMaxSizeKB );

    delete cenrep;

	if ( error != KErrNone )

    	{

        aMaxSizeKB = 0;

    	}

	if ( aMaxSizeKB < 0 )

	    {

	     aMaxSizeKB = 0;

	    }

    }

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

// CProEngToneHandler::CheckToneFileSizeL

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

//

TInt CProEngToneHandler::CheckToneFileSize( const TDesC& aFile,

                                            TInt aSizeLimitKB ) const

    {

    // Get file size

    TInt size = 0;

    TInt error = KErrNone;

    TEntry entry;

    error = iFs.Entry( aFile, entry );

    if ( !error )

        {

        size = entry.iSize;

        }

    // Check

    aSizeLimitKB *= KKilo;

    if ( aSizeLimitKB  &&  size > aSizeLimitKB )

        {

        error = KErrTooBig;

        }

    return error;

    }

//  End of File