/*

* Copyright (c) 2006-2006 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:   Plugin for file names search 

*

*/

#include <e32cmn.h>

#include <e32def.h>

#include <data_caging_path_literals.hrh>

#include <bautils.h>

#include <utf.h>

#include <barsc.h>

#include <avkon.rsg>

#include <StringLoader.h>

#include <searchtextsearcher.h>

#include <searchdocumentid.h>

#include <searchlightresult.h>

#include <searchresult.h>

#include <searchcommon.h>

#include <filessearchresource.rsg>

#include <searchpluginobserver.h>

#include "filessearcher.h"

#include "filessearchplugindefines.h"

_LIT ( KSkipPrivate, "private" );

_LIT ( KSkipSys, "sys" );

_LIT ( KSkipRta, "Z:\\rta" );

_LIT ( KSkipSystem, "System" );

_LIT ( KSkipTef, "tef_centralrepository" );

_LIT ( KSkipSysTest, "Z:\\test" ); 

_LIT ( KSkipSmokeTest, "Z:\\smoketest" ); 

_LIT ( KSkipResource, "resource" );  

_LIT ( KSkipResourceDir, "Z:\\resource_files_dir" );

_LIT ( KSkipNokia, "Z:\\Nokia" );

_LIT ( KSkipCNokia, "C:\\Nokia" );

_LIT ( KSkipCDrive, "C:\\" );

_LIT ( KSkipCDriveTFW, "C:\\TestFramework" );

_LIT ( KSkipCDrivePredic, "C:\\Predic" );

_LIT ( KSkipCDriveLogs, "C:\\logs" );

const TInt constant_MB = 1024*1024;

const TInt constant_KB = 1024;

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

// CFilesSearcher::NewL() 

// 1st phase constructor

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

//

CFilesSearcher* CFilesSearcher::NewL( const RArray<TUid>& aContentIdArray, 

                                      const CSearchCondition& aCondition, 

                                      const TUid& aPluginId,

                                      MSearchPluginObserver& aObserver )

	{

	CFilesSearcher* self = new ( ELeave ) CFilesSearcher( aPluginId );

	CleanupStack::PushL( self );

	self->ConstructL( aContentIdArray, aCondition,aObserver );

	CleanupStack::Pop( self );

	return self;

	}

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

// CFilesSearcher::~CFilesSearcher() 

// Destructor

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

//

CFilesSearcher::~CFilesSearcher() 

	{

	if ( iTextSearcher ) 

		{

		delete iTextSearcher;

		iTextSearcher = NULL;

		}	

	if ( iSizeKB )

		{

		delete iSizeKB;

		iSizeKB = NULL;

		}

	if ( iSizeB )

		{

		delete iSizeB;

		iSizeB = NULL;

		}

	if ( iSizeMB )

		{

		delete iSizeMB;

		iSizeMB = NULL;

		}

	if(0 < 	iHeavyResultsArray.Count())

	{

	iHeavyResultsArray.ResetAndDestroy();

	}

	if( 0 < iCompleteFilePathArray.Count() )

	iCompleteFilePathArray.ResetAndDestroy();

	}

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

// Gets the complete file path of the item in the iCompleteFilePathArray

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

//   

HBufC* CFilesSearcher::GetFilePathArrayIndexValue(TInt aIndex)

{

    return  iCompleteFilePathArray[aIndex] ;  	

}

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

// CFilesSearcher::Destroy() 

// should be called before deleting this object

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

//

void CFilesSearcher::Destroy() 

	{

	if ( IsActive() ) 

		{

		CActive::Cancel();

		}

	else

	    {

	    CleanUp();	

	    }	

	iFs.Close();

	delete this;

	}

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

// CFilesSearcher::SearchL

// Starts the search

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

//

void CFilesSearcher::SearchL()

    {

    if(0 < 	iHeavyResultsArray.Count())

	{

	iHeavyResultsArray.ResetAndDestroy();

	//iLightResultsArray.Reset();

	}

		if( 0 < iCompleteFilePathArray.Count() )

	iCompleteFilePathArray.ResetAndDestroy();

	/*else

	{

	iLightResultsArray.ResetAndDestroy();

	}*/

	iHeavyResultsAsked = EFalse;

	iFolder = HBufC::NewL(KMaxFileName);

    iFileName = HBufC::NewL(KMaxFileName);

    //iResults.ResetAndDestroy(); ???

	TRequestStatus* status = &iStatus;

    User::RequestComplete( status, KErrNone );

	SetActive();

    }

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

// CFilesSearcher::IsSearching() 

// Returns TRUE  if search is in progress

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

//

TBool CFilesSearcher::IsSearching() 

	{

	return IsActive();

	}

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

// CFilesSearcher::CancelSearch() 

// Cancels the search

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

//

void CFilesSearcher::CancelSearch() 

	{

	CActive::Cancel();

	}

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

// CFilesSearcher::GetResultsL

// Gets the results 

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

//

void CFilesSearcher::GetResultsL( 

	const RPointerArray<CSearchDocumentId>& aDocumentIdArray )

    {

	   TInt myArrayIndex;

	   TInt err;

    RPointerArray<CSearchResult> searchResultArray; 

    for(TInt i = 0 ; i < aDocumentIdArray.Count() ; i++ )

        {

        TInt myArrayIndex = aDocumentIdArray[i]->DocumentId();

	       if  (( aDocumentIdArray[i]->PluginId() == iPluginId ) &&

	           (KSearchCClassFilenamesUid.iUid == aDocumentIdArray[i]->RepositoryId()) )

	           {

	            if(myArrayIndex < iHeavyResultsArray.Count())

	                {

	                CSearchResult* tempHeavy = iHeavyResultsArray[myArrayIndex];

	                if(  (&tempHeavy->Title()) && (&tempHeavy->Snippet()))  

	                    {

	                     searchResultArray.Append( iHeavyResultsArray[myArrayIndex]);

	                     continue;	

	                     }

	                HBufC* path16 = iCompleteFilePathArray[myArrayIndex];

	                TChar backSlash( '\\' );

		   		//From the path extract the filename

			    	TInt pos1 = path16->LocateReverse( backSlash );

				    TInt len1 = path16->Length();

				    TInt diff = len1 - pos1 - 1; //bypass the backSlash

			    	TPtrC ptr( path16->Right( diff ) );

				    HBufC* hDoc = ptr.AllocL(); 

				    tempHeavy->SetTitleL( *hDoc );

	                TPtr docIdPtr = path16->Des();

	                TEntry entry; 

				    iFs.Entry( docIdPtr, entry );

				    TBuf<20> len;

			    	//If size is more than 1k size should be represented in KBs.

				    if ( 0 == entry.iSize / constant_MB ) 

					    {

					    if ( entry.iSize / constant_KB ) 

				    	    {

						    StringLoader::Format( len, *iSizeKB, -1,  

						    	entry.iSize / constant_KB  );

				    	    }

					    else 

				    	    {

						    StringLoader::Format( len, *iSizeB, -1,  

						    	entry.iSize );

				    	    }

					    }

				    else 

					    {

					    StringLoader::Format( len, *iSizeMB, -1,  

						    	entry.iSize / constant_MB );

					    }

				   TBuf8<20>	len8;

				   CnvUtfConverter::ConvertFromUnicodeToUtf8( len8,

												len );

				   tempHeavy->SetSnippetL( len8 );

				   delete hDoc;

				   hDoc= NULL;

			       searchResultArray.Append( tempHeavy );

                }

            }

        }

        iObserver->ResultsRetrieveCompleteL( searchResultArray );

	    searchResultArray.Reset();

    }

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

// CFilesSearcher::CancelResultsRetrieve() 

// Cancels the result retrieval

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

//

void CFilesSearcher::CancelResultsRetrieve() 

	{

	}

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

// CFilesSearcher::GetSearchProgressL

// Returns the search progress

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

//

void CFilesSearcher::GetSearchProgressL( TUid& /*aContentClassId*/, TInt& /*aCurrentDocument*/, TInt& /*aTotalDocuments*/ )

    {

    }

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

// CFilesSearcher::HitL() 

// Called when a result is found matching the search criteria

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

//

void CFilesSearcher::HitL( TInt /*aResult*/ ) 

    {

	CSearchLightResult* searchResult = NULL;

	CSearchDocumentId* searchDocId = NULL;

	//File path is used as the DocumentId to uniquely identify

	//a file 

	TBuf8<KBufferLength> tempDes; 

	searchDocId = CSearchDocumentId::NewL( iTotalHits,iPluginId );

	searchDocId->SetRepositoryIdL( KSearchCClassFilenamesUid.iUid );

	CleanupStack::PushL( searchDocId );

	HBufC* path = HBufC::NewLC( KMaxFileName ) ;

	path->Des().Append( *iFolder );

	path->Des().Append( *iFileName );

	iCompleteFilePathArray.AppendL(path);

    //CnvUtfConverter::ConvertFromUnicodeToUtf8( refBuf, *path );

	searchResult = CSearchLightResult::NewL( searchDocId );

	searchResult->SetServiceId( KNullUid );	

	//Set the content class Id as KSearchCClassFilenamesUid

	searchResult->SetContentClassId( KSearchCClassFilenamesUid );

	//If file is found from memory card

	_LIT( KMemCard, "E:" );

	TInt found = path->Find( KMemCard );

	if ( !found )

	    {

		//Set subcontentId as KSearchCSubContentMMCUid

		searchResult->SetSubContentId( KSearchCSubContentMMCUid.iUid );

	    }	

	CSearchResult* searchHeavyResult = CSearchResult::NewL( searchResult);

	searchHeavyResult->SetSnippetL(KNullDesC8);

	searchHeavyResult->SetTitleL(KNullDesC);

	iHeavyResultsArray.Append( searchHeavyResult );

	//iLightResultsArray.AppendL( searchResult );

	CleanupStack::Pop( path );

	CleanupStack::Pop( searchDocId );

	iTotalHits++;

//	delete docIdAsString;

	//docIdAsString = NULL;

	//Notify the observer about the found result

	iObserver->ResultFoundL( searchResult, iTotalHits, iCurrentItemCount );

    }

HBufC8* CFilesSearcher::LaunchInfoL( const CSearchDocumentId& aDocumentID )

    {

    if((aDocumentID.PluginId() == iPluginId) &&

       (aDocumentID.RepositoryId() == KSearchCClassFilenamesUid.iUid))

        {

        TInt myArrayIndex =aDocumentID.DocumentId() ;

	    TBuf8<KBufferLength> tempDes; 

	    HBufC8* launchData = HBufC8::NewL( KBufferLength ) ;

        CnvUtfConverter::ConvertFromUnicodeToUtf8( tempDes,*iCompleteFilePathArray[myArrayIndex] );

        launchData->Des().Append(tempDes);

	    return launchData;

        }

    return NULL;

    }

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

// CFilesSearcher::CFilesSearcher() 

// Constructor

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

//

CFilesSearcher::CFilesSearcher( const TUid& aPluginId ) :

	CActive( CActive::EPriorityStandard ), iPluginId( aPluginId )

	,iCurrentDriveIndex( 0 ),iHeavyResultsAsked(EFalse)

	{

	CActiveScheduler::Add( this );

	}

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

// CFilesSearcher::ConstructL() 

// 2nd phase constructor

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

//

void CFilesSearcher::ConstructL( const RArray<TUid>& /*aContentIdArray*/, 

		                         const CSearchCondition& aCondition,

		                         MSearchPluginObserver& aObserver ) 

	{

	iObserver  = &aObserver;

	//SetPriority( EPriorityStandard );

	//Create a text searcher

	if(iFs.Connect() != KErrNone)

	{

	   return;

	}   

	iTextSearcher = CSearchTextSearcher::NewL( *this );

	iTextSearcher->SetParametersL( aCondition );

	iTotalHits = 0;

	//Read the process drive letter

	TPtrC driveLetter = TParsePtrC( RProcess().FileName() ).Drive();

	TBuf<KMaxFileName> resourceFileName;

	RResourceFile resourceFile;

	//Read the path of the resource file

	resourceFileName.Copy( driveLetter );

	resourceFileName.Append( KDC_RESOURCE_FILES_DIR );

	_LIT( KResFilename, "avkon.rsc" );

    resourceFileName.Append( KResFilename );

    //Open the resource file

    BaflUtils::NearestLanguageFile( iFs, resourceFileName );

    resourceFile.OpenL( iFs, resourceFileName );

  	resourceFile.ConfirmSignatureL(0);

	//Read "KB" localized string

	HBufC8* sizeKB = resourceFile.AllocReadLC( R_QTN_SIZE_KB );

	const TPtrC16 ptrReadBuffer( ( TText16* ) sizeKB->Ptr(),

								( sizeKB->Length()+1 )>>1 );

	TBufC8<KBufferLength> tempString;

//	TPtr8 tempPtr8( tempString.Des() );

//	CnvUtfConverter::ConvertFromUnicodeToUtf8( tempPtr8,

//												ptrReadBuffer );

	iSizeKB = ptrReadBuffer.AllocL();

	CleanupStack::PopAndDestroy( sizeKB );

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

//	tempPtr8.FillZ();

	//Read "B" localized string

	HBufC8* sizeB = resourceFile.AllocReadLC( R_QTN_SIZE_B );

	const TPtrC16 ptrReadBufferB( ( TText16* ) sizeB->Ptr(),

								( sizeB->Length()+1 )>>1 );

//	CnvUtfConverter::ConvertFromUnicodeToUtf8( tempPtr8,

//												ptrReadBufferB );

	iSizeB = ptrReadBufferB.AllocL();

	CleanupStack::PopAndDestroy( sizeB );

//	tempPtr8.FillZ();

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

	//Read "MB" localized string

	HBufC8* sizeMB = resourceFile.AllocReadLC( R_QTN_SIZE_MB );

	const TPtrC16 ptrReadBufferMB( ( TText16* ) sizeMB->Ptr(),

								( sizeMB->Length()+1 )>>1 );

//	CnvUtfConverter::ConvertFromUnicodeToUtf8( tempPtr8,

//												ptrReadBufferMB );

	iSizeMB = ptrReadBufferMB.AllocL();

	CleanupStack::PopAndDestroy( sizeMB );

	iFs.DriveList( iDriveList );

	resourceFile.Close();

	}

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

// CFilesSearcher::ReportFinishedL

// Called when search is finished

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

//

void CFilesSearcher::ReportFinishedL()

    {

	iObserver->SearchCompletedL( KErrNone, iCurrentItemCount );

    }

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

// CFilesSearcher::CleanUp() 

// Cleanup the resources held

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

//

void CFilesSearcher::CleanUp() 

	{	

	if ( iFiles )

		{

		delete iFiles;

		iFiles = NULL;

		}

	if ( iFolder ) 

		{

		delete iFolder;

		iFolder = NULL;

		}

	if ( iFileName ) 

		{

		delete iFileName;

		iFileName = NULL;

		}

	}

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

// CFilesSearcher::IsSystemPath() 

// If path is system dir/file returns TRUE

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

//

TBool CFilesSearcher::IsSystemPath( TDesC& aPath )

    {

		return ! (

		KErrNotFound == aPath.Find( KDC_RESOURCE_FILES_DIR ) &&