/*

* Copyright (c) 2002-2009 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:  Class is responsible of showing confirmation queries

*

*/

// INCLUDE FILES

#include "emailtrace.h"

#include "cesmrconfirmationquery.h"

//<cmail>

#include "esmrdef.h"

//</cmail>

#include <aknquerydialog.h>

#include <bautils.h>

#include <esmrgui.rsg>

#include <eikenv.h>

#include <avkon.rsg>

#include <data_caging_path_literals.hrh>

#include <stringloader.h>

#include <aknbiditextutils.h>//line wrapping and mirroring

#include <aknlayoutscalable_apps.cdl.h> //xml layout data for applications

#include <aknlayoutscalable_avkon.cdl.h> //xml layout data of avkon components

#include "esmrhelper.h"//locateresourcefile

// Unnamed namespace for local definitions

namespace {

#ifdef _DEBUG

// Definition for panic text

_LIT( KESMRConfirmationQueryPanicTxt, "ESMRConfirmationQueryPanic" );

/** Panic code enumaration */

enum TESMRConfirmationQueryPanic

    {

    EESMRInvalidIdentifier = 0  // Invalid identifier

    };

void Panic( TESMRConfirmationQueryPanic aPanic )

    {

    User::Panic( KESMRConfirmationQueryPanicTxt, aPanic );

    }

#endif

_LIT(KResourceFileName,"esmrgui.rsc");

const TInt KVariantIndex(2); //a LAF variant value required for pop up window

const TInt KRequiredLinesPlus(2); //minimum lines needed for aknbiditextutils API array set up

const TInt KActualLine(0); //minimum lines needed for aknbiditextutils API array set up

const TInt KDummyLineForcedByAPI(1); //minimum lines needed for aknbiditextutils API array set up

} // namespace

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

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

// CESMRConfirmationQuery::CESMRConfirmationQuery

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

// might leave.

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

//

CESMRConfirmationQuery::CESMRConfirmationQuery(

            TESMRConfirmationQueryType aType) :

    iType(aType)

    {

    FUNC_LOG;

    //do nothing

    }

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

// CESMRConfirmationQuery::~CESMRConfirmationQuery

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

//

CESMRConfirmationQuery::~CESMRConfirmationQuery()

    {

    FUNC_LOG;

    iEnv->DeleteResourceFile(iResourceOffset);

    }

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

// CESMRConfirmationQuery::ConstructL

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

//

void CESMRConfirmationQuery::ConstructL()

    {

    FUNC_LOG;

    TFileName filename;

    //cache the Eikon pointer, as Static() is slow

    iEnv = CEikonEnv::Static(); // codescanner::eikonenvstatic

    ESMRHelper::LocateResourceFile(

            KResourceFileName,

            KDC_RESOURCE_FILES_DIR,

            filename,

            &iEnv->FsSession() );

    //for localization

    BaflUtils::NearestLanguageFile(iEnv->FsSession(),filename);

    iResourceOffset = iEnv->AddResourceFileL(filename);

    }

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

// CESMRConfirmationQuery::ExecuteLD

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

//

TBool CESMRConfirmationQuery::ExecuteLD()

    {

    FUNC_LOG;

    HBufC* noteText = NULL;

    switch ( iType )

        {

        case EESMRDeleteMR:

            {

            noteText =

                iEnv->AllocReadResourceAsDes16LC(

                        R_QTN_MEET_REQ_DELETE_QUERY);

            break;

            }

        case EESMRSendCancellationInfoToParticipants:

            {

            noteText =

                iEnv->AllocReadResourceAsDes16LC(

                        R_QTN_MEET_REQ_SEND_CANCELLATION_QUERY);

            break;

            }

        case EESMRRemoveAppointment:

            {

            noteText =

                iEnv->AllocReadResourceAsDes16LC(

                        R_QTN_MEET_REQ_REMOVE_APPOINTMENT_QUERY);

            break;

            }

        case EESMRSaveChanges:

            {

            noteText =

                iEnv->AllocReadResourceAsDes16LC(

                        R_QTN_FORM_QUEST_SAVE_CHANGES);

            break;

            }

        case EESMRDeleteEntry:

            {

            noteText =

                iEnv->AllocReadResourceAsDes16LC(

                        R_QTN_CALENDAR_OPT_DELETE_ENTRY);

            break;

            }

        case EESMRSendDecline:

            {

            noteText =

                iEnv->AllocReadResourceAsDes16LC(

                        R_QTN_MEET_REQ_DECLINE_QUERY );

            }

            break;

        case EESMRSaveAnnivChangedStartDay:

            {

            noteText =

                iEnv->AllocReadResourceAsDes16LC(

                        R_QTN_MEET_REQ_QUEST_CHANGE_START_DAY );

            }

            break;

        case EESMRAttachments:

            {

            noteText =

                iEnv->AllocReadResourceAsDes16LC(

                        R_QTN_MEET_REQ_NOTE_ATTACHMENTS );

            }

            break;

        case EESMRSaveMeetingChangedStartDay:

            {

            noteText =

                iEnv->AllocReadResourceAsDes16LC(

                        R_QTN_MEET_REQ_QUEST_CHANGE_START_DAY );

            }

            break;

        case EESMRAssignUpdatedLocation:

            {

            noteText =

                iEnv->AllocReadResourceAsDes16LC(

                        R_QTN_MEET_REQ_ASSIGN_UPDATED_LOCATION );

            }

            break;

        case EESMRAttachmentsNotSupported:

            {

            noteText =

                iEnv->AllocReadResourceAsDes16LC(

                        R_QTN_MEET_REQ_NOTE_ATTACHMENTS_NOT_SUPPORTED );

            }

            break;

        default:

            {

            #ifdef _DEBUG

            // Invalid identifier --> panic

            Panic( EESMRInvalidIdentifier );

            #endif

            }

            break;

        }

    TBool response(EFalse);

    if ( noteText )

    	{

		CAknQueryDialog* dlg = CAknQueryDialog::NewL();

		if( dlg->ExecuteLD(R_MR_CONFIRMATION_QUERY, *noteText) )

			{

			response = ETrue;

			}

		CleanupStack::PopAndDestroy(noteText);

    	}

    delete this;

    return response;

    }

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

// CESMRConfirmationQuery::ExecuteL

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

//

EXPORT_C TBool CESMRConfirmationQuery::ExecuteL( TESMRConfirmationQueryType aType)

    {

    FUNC_LOG;

    CESMRConfirmationQuery* query = new (ELeave) CESMRConfirmationQuery(aType);

    CleanupStack::PushL( query );

    query->ConstructL( );

    TBool ret = query->ExecuteLD();

    CleanupStack::Pop( query );

    return ret;

    }

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

// CESMRConfirmationQuery::ExecuteL

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

//

EXPORT_C TBool CESMRConfirmationQuery::ExecuteL( const TDesC& aLocation )

    {

    FUNC_LOG;

    CESMRConfirmationQuery* query = new (ELeave) CESMRConfirmationQuery(EESMRDeleteMR);

    CleanupStack::PushL( query );

    query->ConstructL( );

    HBufC* location = NULL;

    if ( aLocation.Length() > 0 )

        {

        location = query->TruncateTextToLAFNoteL( aLocation );

        CleanupDeletePushL( location );

        }

    else

        {

        // Allocate dummy buffer for query.

        location = aLocation.AllocLC();

        }

    HBufC* noteText = StringLoader::LoadLC( R_MEET_REQ_REPLACE_PREVIOUS_LOCATION, *location );

    TBool response = EFalse;

    CAknQueryDialog* dlg = CAknQueryDialog::NewL();

    if( dlg->ExecuteLD( R_MR_CONFIRMATION_QUERY, *noteText) )

        {

        response = ETrue;

        }

    CleanupStack::PopAndDestroy( noteText );

    CleanupStack::PopAndDestroy( location );    

    CleanupStack::Pop( query );

    return response;

    }

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

// CESMRConfirmationQuery::TruncateTextToLAFNoteL

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

//

HBufC* CESMRConfirmationQuery::TruncateTextToLAFNoteL( const TDesC& aLocation )

    {

    FUNC_LOG;

    //wrap long string into array of individual lines

    CArrayFixFlat<TPtrC>* textLines = new(ELeave)CArrayFixFlat<TPtrC>( KRequiredLinesPlus );

    CleanupStack::PushL( textLines );

    //layout stuff to fetch list font and list line width

    TAknLayoutText fontType;

    TSize main_pane_Size;

    AknLayoutUtils::LayoutMetricsSize( AknLayoutUtils::EMainPane, main_pane_Size );

    TRect main_pane( main_pane_Size );

    fontType.LayoutText( main_pane, AknLayoutScalable_Avkon::popup_note_window_t4( KVariantIndex ).LayoutLine() );

    TInt lineWidth = fontType.TextRect().Width();

    //extra bidi space for the two lines. second line is not actually used in the query but is required by the API

    HBufC* locationText = HBufC::NewLC( aLocation.Length() + KAknBidiExtraSpacePerLine + KAknBidiExtraSpacePerLine);

    TPtr locationTextPtr = locationText->Des();

    locationTextPtr.Append(aLocation);

    // First wrap, then do formatting.

    CArrayFixFlat<TInt>* lineWidths = new( ELeave )CArrayFixFlat<TInt>( KRequiredLinesPlus );

    CleanupStack::PushL( lineWidths );

    lineWidths->InsertL( KActualLine, lineWidth );

    lineWidths->InsertL( KDummyLineForcedByAPI, lineWidth );

    TBool useEllipsis(ETrue);

    // measure, wrap and truncate location item.

    AknBidiTextUtils::ConvertToVisualAndWrapToArrayL(

            locationTextPtr,

            *lineWidths,

            *fontType.Font(),

            *textLines,

            useEllipsis );

    //place result to new created target buffer

    HBufC* target = HBufC::NewL( textLines->At(KActualLine).Length() );

    target->Des().Append(textLines->At( KActualLine ));

    CleanupStack::PopAndDestroy( lineWidths );

    CleanupStack::PopAndDestroy( locationText );

    CleanupStack::PopAndDestroy( textLines );

    delete this;

    return target;

    }

//  End of File