/*

* Copyright (c) 2009 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:  Base class for Contact and RMU match observers

 *

*/

#include "emailtrace.h"

#include "cesmrclsmatchobserver.h"

#include "cesmrclslistshandler.h"

#include "esmrfieldbuilderdef.h"

// for PCS support

#include <CPsRequestHandler.h>

#include <CPsSettings.h>

#include <CPsQuery.h>

#include <CPsQueryItem.h>

#include <CPcsDefs.h>

#include <MVPbkContactLink.h>

#include <CVPbkContactManager.h>

#include <aknnotewrappers.h>

#include <centralrepository.h>                          // CRepository

#include <AknFepInternalCRKeys.h>                       // KCRUidAknFep, KAknFepPredTxtFlag

#include <VPbkEng.rsg>

//Constants

// Unnamed namespace for local definitions

namespace{ // codescanner::namespace

const TInt KMatchLen = 10;

template<typename T> class CleanupResetAndDestroyClose

    {

public:

    inline static void PushL( T& aRef );

private:

    static void Close( TAny *aPtr );

    };

template<typename T> inline void CleanupResetAndDestroyClosePushL( T& aRef );

template<typename T> inline void CleanupResetAndDestroyClose<T>::PushL( T& aRef )

    {

    CleanupStack::PushL( TCleanupItem( &Close, &aRef ) );

    }

template<typename T> void CleanupResetAndDestroyClose<T>::Close( TAny *aPtr )

    {

    static_cast<T*>(aPtr)->ResetAndDestroy();

    static_cast<T*>(aPtr)->Close();

    }

template<typename T> inline void CleanupResetAndDestroyClosePushL( T& aRef )

    {

    CleanupResetAndDestroyClose<T>::PushL( aRef );

    }

}//namespace

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

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

// CESMRClsMatchObserver::NewL

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

//

CESMRClsMatchObserver* CESMRClsMatchObserver::NewL(CRepository& aCr,

        CESMRClsListsHandler& aListsHandler,

        CPSRequestHandler& aRequestHandler,

        CVPbkContactManager* aContactManager)

    {

    FUNC_LOG;

    CESMRClsMatchObserver* api = CESMRClsMatchObserver::NewLC( aCr, aListsHandler,

            aRequestHandler, aContactManager );

    CleanupStack::Pop( api );

    return api;

    }

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

// CESMRClsMatchObserver::NewLC

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

//

CESMRClsMatchObserver* CESMRClsMatchObserver::NewLC(CRepository& aCr,

        CESMRClsListsHandler& aListsHandler,

        CPSRequestHandler& aRequestHandler,

        CVPbkContactManager* aContactManager )

    {

    FUNC_LOG;

    CESMRClsMatchObserver* api = new (ELeave) CESMRClsMatchObserver(

            aCr,

            aListsHandler,

            aRequestHandler,

            aContactManager );

    CleanupStack::PushL( api );

    api->ConstructL();

    return api;

    }

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

// CESMRClsMatchObserver::CESMRClsMatchObserver

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

//

CESMRClsMatchObserver::CESMRClsMatchObserver(

                                CRepository& aCr,

                                CESMRClsListsHandler& aListsHandler,

                                CPSRequestHandler& aRequestHandler,

                                CVPbkContactManager* aContactManager ) :

    iRequestHandler( &aRequestHandler ),

    iAknFepCenRep( aCr ),

    iListHandler( aListsHandler ),

    iInputMode(EQwerty),

    iContactManager( aContactManager )

    {

    FUNC_LOG;

    }

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

// CESMRClsMatchObserver::~CESMRClsMatchObserver

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

//

CESMRClsMatchObserver::~CESMRClsMatchObserver()

    {

    FUNC_LOG;

    delete iQuery;

    if(iRequestHandler)

        {

        iRequestHandler->RemoveObserver(this);

        }

    }

void CESMRClsMatchObserver::ConstructL()

    {

    FUNC_LOG;

    iRequestHandler->AddObserverL( this );

    iInputMode = GetInputMode();

    iQuery = CPsQuery::NewL();

    }

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

// CESMRClsMatchObserver::SearchMatchesL

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

//

void CESMRClsMatchObserver::SearchMatchesL( const TDesC& aText )

    {

    FUNC_LOG;

    if( iRequestHandler )

        {

        TInt cacheStatus = CheckCacheStatusL();

        if ( !cacheStatus )

            {

            // Reset query

            iQuery->Reset();

            // Create one queryitem for every character in the query string and append it to the query object

            // Every queryitem is filled with two fields :

            //  1) a character from the query string

            //  2) the keyboard mode using which the query was entered

            TInt itemCount = aText.Length();

            for ( TInt i = 0; i < itemCount; i++ )

            {

               // Add a query item

               CPsQueryItem* item = CPsQueryItem::NewL();

               item->SetCharacter(aText[i]);

               item->SetMode(iInputMode);    // EItut refers to numeric keypad

                                     // Use EQwerty if QWERTY keyboard is used

               iQuery->AppendL(*item);

            }

            // Initiate a search request

            iRequestHandler->SearchL(*iQuery);

            }

        else //Cache isn't ready

            {

            iListHandler.OperationErrorL( cacheStatus );

            }

        }

    }

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

// CESMRClsMatchObserver::SetInputModeL

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

//

void CESMRClsMatchObserver::SetInputMode( TKeyboardModes aInputMode )

    {

    FUNC_LOG;

    iInputMode = aInputMode;

    }

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

// CESMRClsMatchObserver::HandleMatchComplete

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

//

void CESMRClsMatchObserver::HandlePsResultsUpdate(

        RPointerArray<CPsClientData>& searchResults,

        RPointerArray<CPsPattern>& searchSeqs)

    {

    FUNC_LOG;

    TRAP_IGNORE( HandlePsResultsUpdateL( searchResults, searchSeqs) );

    }

void CESMRClsMatchObserver::HandlePsError(TInt aErrorCode)

    {

    FUNC_LOG;

    TRAP_IGNORE( iListHandler.OperationErrorL( aErrorCode ) );

    }

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

// CESMRClsMatchObserver::CachingStatus

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

//

void CESMRClsMatchObserver::CachingStatus(

        TCachingStatus& aStatus, TInt& /*aError*/)

    {

    FUNC_LOG;

    TInt err = KErrNone;

    switch ( aStatus )

        {

        case ECachingComplete:

            err = KErrNone;

            break;

        case ECachingNotStarted:

            err = KErrNotFound;

            break;

        case ECachingInProgress:

            err = KErrNotReady;

            break;

        case ECachingCompleteWithErrors:

            err = KErrCorrupt;

            break;

        default:

            break;

        }

    TRAP_IGNORE( iListHandler.OperationErrorL( err ) );

    }

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

// CESMRClsMatchObserver::IsCurrentInputModePredictive

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

//

TKeyboardModes CESMRClsMatchObserver::GetInputMode()

    {

    FUNC_LOG;

    TInt repVal = 0;

    // 1 = predictive, 0 = non predictive

    iAknFepCenRep.Get( KAknFepPredTxtFlag, repVal );

    //If true, EItut (predictive)

    if( repVal == 1 )

        {

        return EItut;

        }

    return EQwerty;

    }

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

// CESMRClsMatchObserver::CheckCacheStatusL

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

//

TBool CESMRClsMatchObserver::CheckCacheStatusL()

    {

    FUNC_LOG;

    // Get the caching status synchronously

    // 'status' has the caching status

    // 'err' has KErrNone or any caching errors

    TCachingStatus status;

    TInt err = iRequestHandler->GetCachingStatusL(status);

    switch (status)

        {

        case ECachingComplete:

            return KErrNone;

        case ECachingNotStarted:

            return KErrNotFound;

        case ECachingInProgress:

            return KErrNotReady;

        case ECachingCompleteWithErrors:

            return KErrCorrupt;

        default:

            break;

        }

    return EFalse;

    }

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

// CESMRClsMatchObserver::CreateDisplayNameLC

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

//

HBufC* CESMRClsMatchObserver::CreateDisplayNameLC( const TDesC& aFirstname, const TDesC& aLastname, const TDesC& aEmailField )

    {

    FUNC_LOG;

    HBufC* displayname;

    if ( aFirstname.Length() == 0)

        {

        if ( aLastname.Length() == 0 )

            {

            //There's just the email address for Displayname

            displayname = HBufC::NewLC( aEmailField.Length() );

            displayname->Des().Copy( aEmailField );

            }

        else

            {

            //Lastname = displayname

            displayname = HBufC::NewLC( aLastname.Length() );

            displayname->Des().Copy( aLastname );

            }

        }

    else if ( aLastname.Length() == 0 )

        {

        //Firstname = displayname

        displayname = HBufC::NewLC( aFirstname.Length() );

        displayname->Des().Copy( aFirstname );

        }

    else

        {

        //Displayname = firstname + " " + lastname

        displayname = HBufC::NewLC( aFirstname.Length() +

                                    1 +

                                    aLastname.Length() );

        displayname->Des().Copy( aFirstname );

        displayname->Des().Append( KEmptySpace );

        displayname->Des().Append( aLastname );

        }

    return displayname;

    }

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

// CESMRClsMatchObserver::HandlePsResultsUpdateL

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

//

void CESMRClsMatchObserver::HandlePsResultsUpdateL(

        RPointerArray<CPsClientData>& searchResults,

        RPointerArray<CPsPattern>& searchSeqs)

    {

    FUNC_LOG;

    RPointerArray<CESMRClsItem> contacts;

    CleanupResetAndDestroyClosePushL( contacts );

    CleanupResetAndDestroyClosePushL( searchResults );

    CleanupResetAndDestroyClosePushL( searchSeqs );

    // Iterate through all the search results

    for( TInt counter = 0 ; counter < searchResults.Count(); counter++ )

        {

        // Get search result

        CPsClientData* result = searchResults[counter];

        // Get the order of the data fields in result

        RArray<TInt> dataOrder;

        CleanupClosePushL( dataOrder );

        iRequestHandler->GetDataOrderL( *( result->Uri() ), dataOrder );

        HBufC* firstname = HBufC::NewLC( KMaxTextLength );

        HBufC* lastname = HBufC::NewLC( KMaxTextLength );

        RPointerArray<HBufC> emailFields;

        CleanupResetAndDestroyClosePushL( emailFields );

        // Iterate through all the data fields in the result.

        // Collect the result and resolve which fields did match.

        // Email fields are collected into array

        for( TInt dataField = 0 ; dataField < dataOrder.Count(); dataField++ )

            {

            switch( dataOrder[dataField] )

                {

                case R_VPBK_FIELD_TYPE_FIRSTNAME:

                    firstname->Des().Append( *(result->Data(dataField)) );

                    break;

                case R_VPBK_FIELD_TYPE_LASTNAME:

                    lastname->Des().Append( *(result->Data(dataField)) );

                    break;

                case R_VPBK_FIELD_TYPE_EMAILGEN:

                case R_VPBK_FIELD_TYPE_EMAILHOME:

                case R_VPBK_FIELD_TYPE_EMAILWORK:

                    {

                    if( result->Data( dataField ) )

                        {

                        if( (*(result->Data( dataField ))).Length() > 0 )

                            {

                            HBufC* email = HBufC::NewLC( KMaxTextLength );

                            email->Des().Append( *(result->Data( dataField )) );

                            emailFields.Append( email );

                            CleanupStack::Pop( email );

                            }

                        }

                    }

                    break;

                }

            }

        TDesC& sourceUri = *( result->Uri() );

        TBool isMruItem = sourceUri.Find( KDefaultMailBoxURI ) != KErrNotFound;

        MVPbkContactLink* contactLink = NULL;

        if( !isMruItem )

            {

            contactLink = iRequestHandler->ConvertToVpbkLinkLC( *result, *iContactManager );

            CleanupStack::Pop();

            // Push M-pointer to contactLink into CleanupStack for proper cleanup

            CleanupDeletePushL( contactLink );

            }

        // Determine how many contact address to create:

        // If there's no email fields, create one item without email address

        if ( emailFields.Count() == 0 )

            {

            // Use Ps engine to check if the text matches the search query

            CDesCArray* matchSet = new (ELeave) CDesCArrayFlat(KMatchLen);

            CleanupStack::PushL( matchSet );

            // Create display name, this will be used in UI.

            HBufC* displayname = CreateDisplayNameLC( *firstname, *lastname, KNullDesC );

            RArray<TPsMatchLocation> matchLocation;

            CleanupClosePushL( matchLocation );

            iRequestHandler->LookupL( *iQuery, *displayname, *matchSet, matchLocation );

            // Create contact item and set highlighting for it

            CESMRClsItem* contactItem = CESMRClsItem::NewLC();

            contactItem->SetDisplayNameL( *displayname );

            contactItem->SetHighlightsL( matchLocation );

            if ( contactLink )

                {

                contactItem->SetContactLinkL( *contactLink );

                }

            contactItem->SetIsMruItem( isMruItem );

            contacts.AppendL( contactItem );

            CleanupStack::Pop( contactItem );

            CleanupStack::Pop( &matchLocation );

            matchLocation.Close();

            CleanupStack::PopAndDestroy( displayname );

            CleanupStack::PopAndDestroy( matchSet );

            }

        else

            {

            // Iterate through all the email fields, check if they match the search criteria and

            // create new contact item for each one that matches

            for(TInt fieldIndex = 0; fieldIndex < emailFields.Count(); ++fieldIndex )

                {

                // Create display name, this will be used in UI.

                HBufC* displayname = CreateDisplayNameLC( *firstname,

                                                          *lastname,

                                                          *emailFields[fieldIndex] );

                // Create match text field, containing display field and email address

                HBufC* matchText = HBufC::NewLC( displayname->Des().Length() +

                                1 +

                                emailFields[fieldIndex]->Des().Length() );

                matchText->Des().Copy( *displayname );

                matchText->Des().Append( KEmptySpace );

                matchText->Des().Append( *emailFields[fieldIndex] );

                // Use Ps engine to check if the text matches the search query

                CDesCArray* matchSet = new (ELeave) CDesCArrayFlat(KMatchLen);

                CleanupStack::PushL( matchSet );

                RArray<TPsMatchLocation> matchLocation;

                iRequestHandler->LookupL( *iQuery, *matchText, *matchSet, matchLocation );

                CleanupClosePushL( matchLocation );

                if( matchLocation.Count() > 0 )

                    {

                    // Create contact item and set highlighting for it

                    CESMRClsItem* contactItem = CESMRClsItem::NewLC();

                    contactItem->SetDisplayNameL( *displayname );

                    contactItem->SetIsMruItem( isMruItem );

                    contactItem->SetEmailAddressL( *emailFields[fieldIndex] );

                    contactItem->SetHighlightsL(matchLocation);

                    if ( contactLink )

                        {

                        contactItem->SetContactLinkL( *contactLink );

                        }

                    if ( emailFields.Count() > 1 )

                        {

                        contactItem->SetMultipleEmails( );

                        }

                    contacts.AppendL( contactItem );

                    CleanupStack::Pop( contactItem );

                    }

                CleanupStack::PopAndDestroy( &matchLocation );

                CleanupStack::PopAndDestroy( matchSet );

                CleanupStack::PopAndDestroy( matchText );

                CleanupStack::PopAndDestroy( displayname );

                }

            }

        if ( contactLink )

            {

            CleanupStack::PopAndDestroy(); //codescanner::cleanup

            }

        // De-allocate name fields, first & last name

        CleanupStack::PopAndDestroy( &emailFields );

        CleanupStack::PopAndDestroy( lastname );

        CleanupStack::PopAndDestroy( firstname );

        CleanupStack::PopAndDestroy( &dataOrder );

        }

    iListHandler.UpdateContactMatchListsL(contacts);

    CleanupStack::PopAndDestroy( &searchSeqs );