/*

* Copyright (c) 2010 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 "engine.h"

#include "enginewrapper.h"

#include "creator_file.h" 

#include "creator_traces.h"

using namespace ContentAccess;

static const TInt KFilesFieldLength = 256;

//_LIT(KCreatorFilesPrefixName, "CR_");

//_LIT(KCreatorFilesPrefixFolderName, "CR_FLDR_");

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

CFilesParameters::CFilesParameters()

    {

    LOGSTRING("Creator: CFilesParameters::CFilesParameters");

    iFullFilePath = HBufC::New(KFilesFieldLength);

    }

CFilesParameters::CFilesParameters( CFilesParameters& aCopy )

    {

    LOGSTRING("Creator: CFilesParameters::CFilesParameters");

    iFullFilePath = HBufC::New(KFilesFieldLength);

    iFullFilePath->Des().Copy( *aCopy.iFullFilePath );

    iFileCommand = aCopy.iFileCommand;

    iEncrypt = aCopy.iEncrypt;

    if ( aCopy.iPermission )

        {

        TRAP_IGNORE(    

            iPermission = CDRMPermission::NewL();

            iPermission->DuplicateL( *aCopy.iPermission );

            );

        }

    }

CFilesParameters::~CFilesParameters()

    {

    LOGSTRING("Creator: CFilesParameters::~CFilesParameters");

    delete iFullFilePath;

    delete iPermission;

    }

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

CCreatorFiles* CCreatorFiles::NewL(CCreatorEngine* aEngine)

    {

    CCreatorFiles* self = CCreatorFiles::NewLC(aEngine);

    CleanupStack::Pop(self);

    return self;

    }

CCreatorFiles* CCreatorFiles::NewLC(CCreatorEngine* aEngine)

    {

    CCreatorFiles* self = new (ELeave) CCreatorFiles;

    CleanupStack::PushL(self);

    self->ConstructL(aEngine);

    return self;

    }

CCreatorFiles::CCreatorFiles() :

    iFs ( CEikonEnv::Static()->FsSession() )

    {

    }

void CCreatorFiles::ConstructL(CCreatorEngine* aEngine)

    {

    LOGSTRING("Creator: CCreatorFiles::ConstructL");

    iEngine = aEngine;

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

    iFilePaths = new (ELeave) CDesCArrayFlat( 4 );

    // Restore file id 

    CDictionaryFileStore* store = iEngine->FileStoreLC();

    User::LeaveIfNull( store );

    if ( store->IsPresentL( KUidDictionaryUidFiles ) )

        {

        RDictionaryReadStream in;

        in.OpenLC( *store, KUidDictionaryUidFiles );

        TRAPD( err, iFileId = in.ReadInt32L() );

        if ( err )

            {

            iFileId = 1;

            }

        CleanupStack::PopAndDestroy(); // in

        }

    else

        {

        iFileId = 1;

        }

    CleanupStack::PopAndDestroy( store );

    }

CCreatorFiles::~CCreatorFiles()

    {

    LOGSTRING("Creator: CCreatorFiles::~CCreatorFiles");

    // this is done only once per file operation:

    if ( iFilePaths && iFilePaths->Count() )

        {

        TRAP_IGNORE( StorePathsForDeleteL( *iFilePaths ) );

        }

    delete iFilePaths;

    delete iParameters;

    delete iUserParameters;

    iApaLs.Close();

    }

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

void CCreatorFiles::QueryDialogClosedL(TBool aPositiveAction, TInt aUserData)

    {

    LOGSTRING("Creator: CCreatorFiles::QueryDialogClosedL");

    if( aPositiveAction == EFalse )

        {

        iEngine->ShutDownEnginesL();

        return;

        }

    const TDesC* showText = &KSavingText;

    TBool finished(EFalse);

    TBool retval(ETrue);

    switch(aUserData)

        {

        case ECreatorFilesDelete:

            showText = &KDeletingText;

            iEntriesToBeCreated = 1;

            finished = ETrue;

            break;

        case ECreatorFilesStart:

            {

            // set a default directory  (eg. c:\Nokia\Images\)

            iEngine->SetDefaultPathForFileCommandL(iCommand, iDirectoryQueriedFromUser);

            TBuf<50> promptText;

            if (iCommand == ECmdCreateFileEntryEmptyFolder)

                promptText.Copy( _L("Specify the folder path and name") );

            else

                promptText.Copy( _L("Specify the directory") );

            // show directory query dialog

            retval = iEngine->GetEngineWrapper()->DirectoryQueryDialog(promptText, iDirectoryQueriedFromUser, this, ECreatorFilesGetDirectory );

            }

            break;

        case ECreatorFilesGetDirectory:

            // check that the root folder is correct

            if ( iDirectoryQueriedFromUser.Length() < 3  ||  BaflUtils::CheckFolder( iFs, iDirectoryQueriedFromUser.Left(3) ) != KErrNone )

                {

                iEngine->GetEngineWrapper()->ShowErrorMessage(_L("Invalid path"));

                retval = EFalse;

                }        

            else

                {

                // check the directory contains a trailing backlash

                if ( iDirectoryQueriedFromUser.Right(1) != _L("\\") )

                    {

                    iDirectoryQueriedFromUser.Append(_L("\\"));

                    }

                // copy the directory name to a class member

                if ( iCommand == ECmdCreateFileEntryEmptyFolder )

                    {

                    finished = ETrue;

                    }

                else

                    {

                    retval = AskDRMDataFromUserL();

                    }

                }

            break;

        case ECreatorFilesAskDRMData:

            if ( iDummy > 0 )

                {

                iUserParameters->iEncrypt = ETrue;

                }

            if ( iDummy == 2 )

                {

                iUserParameters->iPermission = CDRMPermission::NewL();

                CDRMPermission* perm = iUserParameters->iPermission; 

                perm->iTopLevel->iActiveConstraints = EConstraintNone;

                perm->iPlay->iActiveConstraints = EConstraintNone;

                perm->iDisplay->iActiveConstraints = EConstraintNone;

                perm->iPrint->iActiveConstraints = EConstraintNone;

                perm->iExecute->iActiveConstraints = EConstraintNone;

                perm->iUniqueID = 0;

                // DRM Combined Delivery

                iDummy = 0;

                retval = iEngine->GetEngineWrapper()->EntriesQueryDialog( &iDummy, _L("How many counts(0=unlimited)?"), ETrue, this, ECreatorFilesAskDRM_CD_Counts );

                }

            else

                {

                finished = ETrue;

                }

            break;

        case ECreatorFilesAskDRM_CD_Counts:

            if ( iDummy > 0 )

                {

                TInt count = iDummy;

                CDRMPermission* perm = iUserParameters->iPermission;

                // apply constraints to all permission types

                // applied type will be selected by setting iAvailableRights

                // when determining the file type

                perm->iDisplay->iActiveConstraints |= EConstraintCounter;

                perm->iDisplay->iCounter = count;

                perm->iDisplay->iOriginalCounter = count;

                perm->iPlay->iActiveConstraints |= EConstraintCounter;

                perm->iPlay->iCounter = count;

                perm->iPlay->iOriginalCounter = count;

                perm->iPrint->iActiveConstraints |= EConstraintCounter;

                perm->iPrint->iCounter = count;

                perm->iPrint->iOriginalCounter = count;

                perm->iExecute->iActiveConstraints |= EConstraintCounter;

                perm->iExecute->iCounter = count;

                perm->iExecute->iOriginalCounter = count;

                }

            iDummy = 0;

            retval = iEngine->GetEngineWrapper()->EntriesQueryDialog( &iDummy, _L("How many minutes until expire(0=unlimited)?"), ETrue, 

                this, ECreatorFilesAskDRM_CD_Minutes

                );

            break;

        case ECreatorFilesAskDRM_CD_Minutes:

            if ( iDummy > 0 )

                {

                TInt minutes = iDummy;

                CDRMPermission* perm = iUserParameters->iPermission;            

                // apply constraints to all permission types

                // applied type will be selected by setting iAvailableRights

                // when determining the file type            

                perm->iDisplay->iActiveConstraints |= EConstraintInterval;

                perm->iDisplay->iInterval = TTimeIntervalSeconds( 60 * minutes );

                perm->iDisplay->iIntervalStart = Time::NullTTime();

                perm->iPlay->iActiveConstraints |= EConstraintInterval;

                perm->iPlay->iInterval = TTimeIntervalSeconds( 60 * minutes );

                perm->iPlay->iIntervalStart = Time::NullTTime();

                perm->iPrint->iActiveConstraints |= EConstraintInterval;

                perm->iPrint->iInterval = TTimeIntervalSeconds( 60 * minutes );

                perm->iPrint->iIntervalStart = Time::NullTTime();

                perm->iExecute->iActiveConstraints |= EConstraintInterval;

                perm->iExecute->iInterval = TTimeIntervalSeconds( 60 * minutes );

                perm->iExecute->iIntervalStart = Time::NullTTime();

                }

            finished = ETrue;

            break;

        default:

            //some error

            retval = EFalse;

            break;

        }

    if( retval == EFalse )

        {

        iEngine->ShutDownEnginesL();

        }

    else if( finished )

        {

        // add this command to command array

        iEngine->AppendToCommandArrayL(iCommand, NULL, iEntriesToBeCreated);

        // started exucuting commands

        iEngine->ExecuteFirstCommandL( *showText );

        }

    }

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

TBool CCreatorFiles::AskDataFromUserL(TInt aCommand)

    {

    LOGSTRING("Creator: CCreatorFiles::AskDataFromUserL");

    CCreatorModuleBase::AskDataFromUserL( aCommand );

    if ( aCommand == ECmdDeleteCreatorFiles )

        {

        return iEngine->GetEngineWrapper()->YesNoQueryDialog( _L("Delete all files created with Creator?"), this, ECreatorFilesDelete );

        }

    delete iUserParameters;

    iUserParameters = NULL;

    iUserParameters = new(ELeave) CFilesParameters();

    iDirectoryQueriedFromUser.Copy( KNullDesC );

    return iEngine->GetEngineWrapper()->EntriesQueryDialog(&iEntriesToBeCreated, _L("How many entries to create?"), EFalse, this, ECreatorFilesStart );

    }

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

TInt CCreatorFiles::CreateFileEntryL(CFilesParameters *aParameters, TInt aCommand)

    {

    LOGSTRING("Creator: CCreatorFiles::CreateFileEntryL");

    // clear any existing parameter definations

    delete iParameters;

    iParameters = NULL;

    TFileName directoryToBeCreated;

    CFilesParameters* parameters = aParameters;

    if (!parameters)

        {

        if ( iUserParameters )

            {

            iParameters = new (ELeave) CFilesParameters( *iUserParameters );

            // iUserParameters = NULL;

            }

        else

            {

            // random data needed if no predefined data available

            iParameters = new (ELeave) CFilesParameters;            

            }

        parameters = iParameters;

        }

    TInt err = KErrNone;

    // if we just create directories

    if ( aCommand == ECmdCreateFileEntryEmptyFolder)

        {

        // strip the last backslash from the path

        if( iDirectoryQueriedFromUser.Length() > 0)

        	directoryToBeCreated = iDirectoryQueriedFromUser;

        else if( parameters->iFullFilePath && parameters->iFullFilePath->Des().Length() > 0 )

        	directoryToBeCreated = parameters->iFullFilePath->Des();

        else 

        	return err;

        _LIT(KSlash, "\\");

        if( directoryToBeCreated.Right(1) == KSlash )

        	directoryToBeCreated.SetLength ( directoryToBeCreated.Length() - 1 ); 

        // generate a unique file name

        err = CApaApplication::GenerateFileName( iFs, directoryToBeCreated);

        if (err != KErrNone)

            return err;

        // now append the backslah back

        directoryToBeCreated.Append( _L("\\") );

        // now create the new directory

        err = iFs.MkDirAll( directoryToBeCreated );

        // Add directoryToBeCreated to store

        iFilePaths->AppendL( directoryToBeCreated );

        LOGSTRING3("Creator: CCreatorFiles::CreateFileEntryL creating empty directory %S returns err", &directoryToBeCreated, err);

        }

    else  // files

        {

        LOGSTRING2("Creator: CCreatorFiles::CreateFileEntryL file id is %d", aCommand);

        // get source

        TFileName fullSourcePath;

        switch (aCommand)

            {

	        case ECmdCreateFileEntryJPEG_25kB:      { fullSourcePath = iEngine->TestDataPathL( CCreatorEngine::EJPEG_25kB );  break; }

	        case ECmdCreateFileEntryJPEG_200kB:     { fullSourcePath = iEngine->TestDataPathL( CCreatorEngine::EJPEG_200kB );  break; }

	        case ECmdCreateFileEntryJPEG_500kB:     { fullSourcePath = iEngine->TestDataPathL( CCreatorEngine::EJPEG_500kB );  break; }

	        case ECmdCreateFileEntryPNG_15kB:       { fullSourcePath = iEngine->TestDataPathL( CCreatorEngine::EPNG_15kB );  break; }

	        case ECmdCreateFileEntryGIF_2kB:        { fullSourcePath = iEngine->TestDataPathL( CCreatorEngine::EGIF_2kB );  break; }

	        case ECmdCreateFileEntryRNG_1kB:        { fullSourcePath = iEngine->TestDataPathL( CCreatorEngine::ERNG_1kB );  break; }

	        case ECmdCreateFileEntryMIDI_10kB:      { fullSourcePath = iEngine->TestDataPathL( CCreatorEngine::EMIDI_10kB );  break; }

	        case ECmdCreateFileEntryWAV_20kB:       { fullSourcePath = iEngine->TestDataPathL( CCreatorEngine::EWAVE_20kB );  break; }

	        case ECmdCreateFileEntryAMR_20kB:       { fullSourcePath = iEngine->TestDataPathL( CCreatorEngine::EAMR_20kB );  break; }

	        case ECmdCreateFileEntryXLS_15kB:       { fullSourcePath = iEngine->TestDataPathL( CCreatorEngine::EExcel_15kB );  break; }

	        case ECmdCreateFileEntryDOC_20kB:       { fullSourcePath = iEngine->TestDataPathL( CCreatorEngine::EWord_20kB );  break; }

	        case ECmdCreateFileEntryPPT_40kB:       { fullSourcePath = iEngine->TestDataPathL( CCreatorEngine::EPowerPoint_40kB );  break; }

	        case ECmdCreateFileEntryTXT_10kB:       { fullSourcePath = iEngine->TestDataPathL( CCreatorEngine::EText_10kB );  break; }

	        case ECmdCreateFileEntryTXT_70kB:       { fullSourcePath = iEngine->TestDataPathL( CCreatorEngine::EText_70kB );  break; }

	        case ECmdCreateFileEntry3GPP_70kB:      { fullSourcePath = iEngine->TestDataPathL( CCreatorEngine::E3GPP_70kB );  break; }

	        case ECmdCreateFileEntryMP3_250kB:      { fullSourcePath = iEngine->TestDataPathL( CCreatorEngine::EMP3_250kB );  break; }

	        case ECmdCreateFileEntryAAC_100kB:      { fullSourcePath = iEngine->TestDataPathL( CCreatorEngine::EAAC_100kB );  break; }

	        case ECmdCreateFileEntryRM_95kB:        { fullSourcePath = iEngine->TestDataPathL( CCreatorEngine::ERM_95kB );  break; }

	        case ECmdCreateFileEntryBMP_25kB:       { fullSourcePath = iEngine->TestDataPathL( CCreatorEngine::EBMP_25kB );  break; }

	        case ECmdCreateFileEntryDeck_1kB:       { fullSourcePath = iEngine->TestDataPathL( CCreatorEngine::ESavedDeck_1kB );  break; }

	        case ECmdCreateFileEntryHTML_20kB:      { fullSourcePath = iEngine->TestDataPathL( CCreatorEngine::EHTML_20kB );  break; }

	        case ECmdCreateFileEntryJAD_1kB:        { fullSourcePath = iEngine->TestDataPathL( CCreatorEngine::EJAD_1kB );  break; }

	        case ECmdCreateFileEntryJAR_10kB:       { fullSourcePath = iEngine->TestDataPathL( CCreatorEngine::EJAR_10kB );  break; }

	        case ECmdCreateFileEntryJP2_65kB:       { fullSourcePath = iEngine->TestDataPathL( CCreatorEngine::EJP2_65kB );  break; }

	        case ECmdCreateFileEntryMP4_200kB:      { fullSourcePath = iEngine->TestDataPathL( CCreatorEngine::EMP4_200kB );  break; }

	        case ECmdCreateFileEntryMXMF_40kB:      { fullSourcePath = iEngine->TestDataPathL( CCreatorEngine::EMXMF_40kB );  break; }

	        case ECmdCreateFileEntryRAM_1kB:        { fullSourcePath = iEngine->TestDataPathL( CCreatorEngine::ERAM_1kB );  break; }

	        case ECmdCreateFileEntrySVG_15kB:       { fullSourcePath = iEngine->TestDataPathL( CCreatorEngine::ESVG_15kB );  break; }

	        case ECmdCreateFileEntrySWF_15kB:       { fullSourcePath = iEngine->TestDataPathL( CCreatorEngine::ESWF_15kB );  break; }

	        case ECmdCreateFileEntryTIF_25kB:       { fullSourcePath = iEngine->TestDataPathL( CCreatorEngine::ETIF_25kB );  break; }

	        case ECmdCreateFileEntryVCF_1kB:        { fullSourcePath = iEngine->TestDataPathL( CCreatorEngine::EVCF_1kB );  break; }

	        case ECmdCreateFileEntryVCS_1kB:        { fullSourcePath = iEngine->TestDataPathL( CCreatorEngine::EVCS_1kB );  break; }

	        case ECmdCreateFileEntrySISX_10kB:      { fullSourcePath = iEngine->TestDataPathL( CCreatorEngine::ESISX_10kB );  break; }

	        case ECmdCreateFileEntryWMA_50kB:       { fullSourcePath = iEngine->TestDataPathL( CCreatorEngine::EWMA_50kB );  break; }

	        case ECmdCreateFileEntryWMV_200kB:      { fullSourcePath = iEngine->TestDataPathL( CCreatorEngine::EWMV_200kB );  break; }

	        case ECmdCreateFileEntryEmptyFolder:    { User::Panic(_L("EmptyFolder"), 801); break; }

	        default:                                { return KErrPathNotFound; }

            }

        // define the full target path

        TFileName fullTargetPath;

        if ( parameters->iFullFilePath && parameters->iFullFilePath->Des().Length() > 3 )

            {

            _LIT(KSlash, "\\");

            // check the path is ok

            fullTargetPath = parameters->iFullFilePath->Des();

            if(fullTargetPath.Right(1) == KSlash)

                {

                // Remove '\' from the end, because the filename check does not work with it:

                fullTargetPath.SetLength ( fullTargetPath.Length() - 1 );

                }

            if (!iFs.IsValidName( fullTargetPath ))

		        User::Leave(KErrBadName);

            // target path = directory + the file name from source path

            TParse parser;

            parser.Set(fullSourcePath, NULL, NULL);

            // Add '\' to the end:

            fullTargetPath.Append(KSlash);            

            // Add filename:

            fullTargetPath.Append( parser.NameAndExt() );

            LOGSTRING2("Creator: CCreatorFiles::CreateFileEntryL iFullFilePath used, fullTargetPath: %S", &fullTargetPath);

            }

        else if ( iDirectoryQueriedFromUser.Length() > 0 )

            {

            // target path = directory + the file name from source path

            TParse parser;

            parser.Set(fullSourcePath, NULL, NULL);

            fullTargetPath = iDirectoryQueriedFromUser;

            fullTargetPath.Append( parser.NameAndExt() );

            LOGSTRING2("Creator: CCreatorFiles::CreateFileEntryL iDirectoryQueriedFromUser used, fullTargetPath: %S", &fullTargetPath);

            }

        else

            {   

            LOGSTRING("Creator: CCreatorFiles::CreateFileEntryL leaving with KErrPathNotFound");

            User::Leave(KErrPathNotFound);

            }

        TBool encrypt = parameters->iEncrypt; 

        if ( encrypt ) fullTargetPath.Append( KOma2DcfExtension );

        // check the target path has a unique filename ie we won't overwrite existing files

        // also generates any missing directories

        if ( BaflUtils::FileExists( iFs, fullTargetPath ) )

            {

            GenerateFileNameL( fullTargetPath );

            }

        User::LeaveIfError(CApaApplication::GenerateFileName( iFs, fullTargetPath ) );

        if ( encrypt )

            {

            EncryptFileL( fullSourcePath, fullTargetPath, parameters );

            }

        else

            {

            // copy the file (synchronous function)

            err = BaflUtils::CopyFile(iFs, fullSourcePath, fullTargetPath);

            LOGSTRING4("Creator: CCreatorFiles::CreateFileEntryL copy %S to %S, err=%d", &fullSourcePath, &fullTargetPath, err);            

            }

        if (err != KErrNone)

            User::Leave(err);  // leave because copying failed

        // Add fullTargetPath to store

        iFilePaths->AppendL( fullTargetPath );

		// make sure that the file won't have a read only attribute

		TEntry fileEntry;

		iFs.Entry(fullTargetPath, fileEntry);

		iFs.SetEntry(fullTargetPath, fileEntry.iModified, NULL, KEntryAttReadOnly);

        // clear variables

		parameters->iFullFilePath->Des().Copy ( KNullDesC );

        }

    return err;

    }

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

void CCreatorFiles::EncryptFileL( const TDesC& aInFileName, const TDesC& aOutFileName, CFilesParameters *aParameters )

    {

    LOGSTRING("Creator: CCreatorFiles::EncryptFileL");

    TBuf8<64> mime;

    SetMimeTypeL( aInFileName, mime, aParameters );

    CSupplier* supplier = CSupplier::NewLC();