/*

* Copyright (c) 2007-2009 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:  ESMR alarm field implementation

 *

*/

#include "emailtrace.h"

#include "cesmralarmfield.h"

#include <eiklabel.h>

#include <avkon.hrh>

#include <e32keys.h>

#include <barsc.h>

#include <barsread.h>

#include <calentry.h>

#include <calalarm.h>

#include <esmrgui.rsg>

//<cmail>

#include "esmrdef.h"

//</cmail>

#include <AknUtils.h>

#include "cesmrborderlayer.h"

#include "cesmralarm.h"

#include "esmrcommands.h"

#include "cesmrglobalnote.h"

#include "mesmrfieldvalidator.h"

#include "cesmrlistquery.h"

// Unnamed namespace for local definitions

namespace{ // codescanner::namespace

_LIT( KNoText, "" );

const TInt KMinuteInMicroSeconds(60000000);

}//namespace

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

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

// CESMRAlarmField::NewL

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

//

CESMRAlarmField* CESMRAlarmField::NewL( MESMRFieldValidator* aValidator )

    {

    FUNC_LOG;

    CESMRAlarmField* self = new (ELeave)CESMRAlarmField( aValidator );

    CleanupStack::PushL ( self );

    self->ConstructL ( );

    CleanupStack::Pop ( self );

    return self;

    }

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

// CESMRAlarmField::~CESMRAlarmField

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

//

CESMRAlarmField::~CESMRAlarmField( )

    {

    FUNC_LOG;

    iArray.ResetAndDestroy ( );

    iArray.Close ( );

    }

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

// CESMRAlarmField::InitializeL

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

//

void CESMRAlarmField::InitializeL()

    {

    FUNC_LOG;

    iAlarm->SetFont( iLayout->Font(iCoeEnv, iFieldId ) );

    iAlarm->SetLabelAlignment( CESMRLayoutManager::IsMirrored()

                               ? ELayoutAlignRight : ELayoutAlignLeft );

    // Update text color

    AknLayoutUtils::OverrideControlColorL(*iAlarm,

                                           EColorLabelText,

                                           iLayout->GeneralListAreaTextColor() );

    }

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

// CESMRAlarmField::InternalizeL

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

//

void CESMRAlarmField::InternalizeL( MESMRCalEntry& aEntry )

    {

    FUNC_LOG;

    CCoeEnv* env = CCoeEnv::Static ( );

    // esmrgui.rss

    TResourceReader reader;

    env->CreateResourceReaderLC ( reader, R_ESMREDITOR_ALARMS );

    // Read alarm items to array

    iArray.ResetAndDestroy( );

    TInt count = reader.ReadInt16 ( );

    for (TInt i(0); i < count; i++ )

        {

        CESMRAlarm* alarm = new (ELeave) CESMRAlarm;

        CleanupStack::PushL ( alarm );

        alarm->ConstructFromResourceL ( reader );

        alarm->LoadTextL ( env );

        CleanupStack::Pop ( alarm );

        iArray.Append ( alarm );

        }

    // reader

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

    // if alarm is relative then set the text on right index.

    MESMRCalEntry::TESMRAlarmType alarmType;

    TTime alarmTime;

    aEntry.GetAlarmL (alarmType, alarmTime );

    switch (alarmType )

        {

        case MESMRCalEntry::EESMRAlarmRelative:

            {// Show relative alarm field and set its time.

             // time units can be minutes, hours or days

             TInt timeInMins = 0;

             CCalEntry& entry = aEntry.Entry ( );

             TTime entryTime= entry.StartTimeL().TimeLocalL ( );

             timeInMins = (entryTime.Int64() - alarmTime.Int64())/ KMinuteInMicroSeconds;

             // Loop through iArray and get the relevent item

             for (TInt i(0); i < iArray.Count ( ); i++ )

                 {

                 if ( iArray[i]->Relative ( )== timeInMins )

                     {

                     iAlarm->SetTextL ( *(iArray[i]->Text()) );

                     iOptIndex = i; // update current alarm index.

                     // Let's also update the current alarm offset to iValidator

                    TBool handleAlarmChange( EFalse );

                    iValidator->RelativeAlarmChangedL(

                            iArray[ iOptIndex ]->RelativeTimeInMinutes(),

                            handleAlarmChange,

                            iRelativeAlarmValid );

                     break;

                     }

                 }

            }

            break;

            //flow through

        case MESMRCalEntry::EESMRAlarmAbsolute:

        case MESMRCalEntry::EESMRAlarmNotFound:

        default:

            { // Search the default value (EAlarmFifteenMinutes) and set it

            for (TInt i(0); i < iArray.Count ( ); i++ )

                {

                if ( iArray[i]->Id ( )== EAlarmOff )

                    {

                    iAlarm->SetTextL ( *(iArray[i]->Text()) );

                    iOptIndex = i; // update current alarm index.

                    // Let's also update the current alarm offset to iValidator

                    TBool handleAlarmChange( EFalse );

                    iValidator->RelativeAlarmChangedL(

                            iArray[ iOptIndex ]->RelativeTimeInMinutes(),

                            handleAlarmChange,

                            iRelativeAlarmValid );

                    break;

                    }

                }// End For loop

            }

            break;

        }

    }

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

// CESMRAlarmField::ExternalizeL

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

//

void CESMRAlarmField::ExternalizeL( MESMRCalEntry& aEntry )

    {

    FUNC_LOG;

    if ( iRelativeAlarmValid )

        {

        CESMRAlarm* alarm = iArray[ iOptIndex ];

        // if alarm is set

        if ( alarm->Id()!= EAlarmOff )

            {// All Day event has absolute alarm handled in validator class

            // if not visible, this entry has absolute alarm.

            if ( IsVisible() )

                {

                CCalAlarm* calAlarm = CCalAlarm::NewL();

                CleanupStack::PushL( calAlarm );

                calAlarm->SetTimeOffset( alarm->RelativeTimeInMinutes() );

                CCalEntry& entry = aEntry.Entry();

                entry.SetAlarmL( calAlarm );

                CleanupStack::PopAndDestroy( calAlarm );

                }

            }

        else

            {

            CCalEntry& entry = aEntry.Entry( );

            entry.SetAlarmL( NULL );

            }

        }

    else

        {

        CCalEntry& entry = aEntry.Entry();

        entry.SetAlarmL( NULL );

        }

    }

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

// CESMRAlarmField::OkToLoseFocusL

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

//

TBool CESMRAlarmField::OkToLoseFocusL(

        TESMREntryFieldId /*aNextItem*/ )

    {

    FUNC_LOG;

    return TriggerValidatorL();

    }

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

// CESMRAlarmField::OfferKeyEventL

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

//

TKeyResponse CESMRAlarmField::OfferKeyEventL(const TKeyEvent& aEvent,

        TEventCode aType )

    {

    FUNC_LOG;

    TKeyResponse response( EKeyWasNotConsumed);

    if ( aType == EEventKey )

        {

        switch ( aEvent.iScanCode )

            {

            case EStdKeyLeftArrow:

                {

                // next alert item

                if ( iOptIndex > 0 )

                    {

                    UpdateAlarmLabelL ( --iOptIndex );

                    response = EKeyWasConsumed;

                    }

                }

                break;

            case EStdKeyRightArrow:

                {

                // next alert item

                if ( iOptIndex < (iArray.Count() - 1) )

                    {

                    UpdateAlarmLabelL ( ++iOptIndex );

                    response = EKeyWasConsumed;

                    }

                }

                break;

            default:

                break;

            }

        }

    return response;

    }

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

// CESMRAlarmField::CESMRAlarmField

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

//

CESMRAlarmField::CESMRAlarmField( MESMRFieldValidator* aValidator )

:   iOptIndex(0),

    iValidator( aValidator ),

    iRelativeAlarmValid( ETrue )

    {

    FUNC_LOG;

    //do nothing

    }

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

// CESMRAlarmField::ConstructL

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

//

void CESMRAlarmField::ConstructL( )

    {

    FUNC_LOG;

    SetFieldId ( EESMRFieldAlarm );

    iAlarm = new (ELeave) CEikLabel; // base class takes ownership

    iAlarm->SetTextL ( KNoText );

    CESMRIconField::ConstructL (KAknsIIDQgnMeetReqIndiAlarm, iAlarm );

    }

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

// CESMRAlarmField::UpdateAlarmLabelL

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

//

void CESMRAlarmField::UpdateAlarmLabelL( TInt aIndex )

    {

    FUNC_LOG;

    if (aIndex < iArray.Count() )

        {

        HBufC* txt = iArray[ aIndex ]->Text ( );

        iAlarm->SetTextL ( *txt );

        // Let's only update the current alarm offset to iValidator

        TBool handleAlarmChange( EFalse );

        if (iValidator)

            {

            iValidator->RelativeAlarmChangedL(

                iArray[ aIndex ]->RelativeTimeInMinutes(),

                handleAlarmChange,

                iRelativeAlarmValid );

            }

        }

    iBorder->DrawDeferred ( );

    }

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

// CESMRAlarmField::UpdateAlarmToFirstValidValueL

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

//

void CESMRAlarmField::UpdateAlarmToFirstValidValueL()

    {

    FUNC_LOG;

    // Changing the alarm to first valid value

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

        {

        TTimeIntervalMinutes alarmOffset =

            iArray[ iOptIndex - i ]->RelativeTimeInMinutes(); //codescanner::accessArrayElementWithoutCheck2

        if ( iValidator->IsRelativeAlarmValid( alarmOffset ) )

            {

            iOptIndex = iOptIndex - i;

            break;

            }

        }

    UpdateAlarmLabelL( iOptIndex );

    }

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

// CESMRAlarmField::SetOutlineFocusL

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

//

void CESMRAlarmField::SetOutlineFocusL( TBool aFocus )

    {

    FUNC_LOG;

    CESMRField::SetOutlineFocusL ( aFocus );

    //Focus is gained on the field

    if (aFocus)

        {

        ChangeMiddleSoftKeyL(EESMRCmdOpenAlarmQuery,R_QTN_MSK_OPEN);

        }

    }

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

// CESMRAlarmField::ExecuteGenericCommandL

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

//

void CESMRAlarmField::ExecuteGenericCommandL( TInt aCommand )

    {

    FUNC_LOG;

    if(aCommand == EESMRCmdOpenAlarmQuery ||

       aCommand == EAknCmdOpen )

        {

        ExecuteMSKCommandL();

        }

    }

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

// CESMRAlarmField::ExecuteMskCommandL

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

//

void CESMRAlarmField::ExecuteMSKCommandL()

    {

    FUNC_LOG;

    DoAlarmTimeQueryL();

    }

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

// CESMRAlarmField::DoAlarmTimeQueryL

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

//

void CESMRAlarmField::DoAlarmTimeQueryL()

    {

    FUNC_LOG;

    TInt ret( CESMRListQuery::ExecuteL(

            CESMRListQuery::EESMRRelativeAlarmTimeQuery ) );

    if ( ret != KErrCancel )

        {

        iOptIndex = ret;

        UpdateAlarmLabelL( iOptIndex );

        }

    }

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

// CESMRAlarmField::TriggerValidatorL

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

//

TBool CESMRAlarmField::TriggerValidatorL()

    {

    FUNC_LOG;

    TBool entryOk( ETrue );

    // Let's handle the relative alarm change in iValidator

    TRAPD(err, iValidator->RelativeAlarmChangedL(

            iArray[ iOptIndex ]->RelativeTimeInMinutes(), //codescanner::accessArrayElementWithoutCheck2

            ETrue, // handleAlarmChange

            iRelativeAlarmValid ) );

    if ( err != KErrNone )

        {

        entryOk = EFalse;

        CESMRGlobalNote::ExecuteL ( CESMRGlobalNote::EESMRAlarmAlreadyPassed );

        UpdateAlarmToFirstValidValueL();

        }

    return entryOk;

    }

// EOF