/*

* 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:  Meeting Request viewer response field implementation

*

*/

#include "cesmrresponsefield.h"

#include "cesmrresponseitem.h"

#include "mesmrresponseobserver.h"

#include "mesmrmeetingrequestentry.h"

#include "cesmrconflictpopup.h"

#include "nmrlayoutmanager.h"

#include "esmrhelper.h"

#include "cfsmailcommon.h"

#include "cesmrlistquery.h"

#include <esmrgui.rsg>

#include <stringloader.h>

#include <caluser.h>

// DEBUG

#include "emailtrace.h"

/// Unnamed namespace for local definitions

namespace

    {

    const TInt KConflictItemIndex( 0 );

    const TInt KExtraInfoItemIndex( 1 ); //"Request is out of date" "Please respond", ect

    }  // namespace

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

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

//                       CESMRResponseField

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

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

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

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

// CESMRResponseField::NewL

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

//

CESMRResponseField* CESMRResponseField::NewL(

        MESMRResponseObserver* aResponseObserver )

    {

    FUNC_LOG;

    CESMRResponseField* self = new (ELeave) CESMRResponseField(aResponseObserver);

    CleanupStack::PushL( self );

    self->ConstructL();

    CleanupStack::Pop( self );

    return self;

    }

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

// CESMRResponseField::~CESMRResponseField

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

//

CESMRResponseField::~CESMRResponseField()

    {

    FUNC_LOG;

    iResponseItemArray.ResetAndDestroy();

    delete iConfPopup;

    if( iESMRStaticAccessed )

        {

        iESMRStatic.Close();

        }

    }

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

// CESMRResponseField::CESMRResponseField

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

//

CESMRResponseField::CESMRResponseField(MESMRResponseObserver* aResponseObserver)

: iResponseObserver(aResponseObserver), iSelectionIndex( 0 ),

  iESMRStaticAccessed(EFalse), iConflicted(EFalse)

    {

    FUNC_LOG;

    SetFieldId( EESMRFieldResponseArea );

    }

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

// CESMRResponseField::ConstructL

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

//

void CESMRResponseField::ConstructL()

    {

    FUNC_LOG;

    // Add pls resopond item to this field.

    CESMRResponseItem* responseItem =

        CESMRResponseItem::NewLC( EESMRCmdUndefined, KNullDesC, EFalse );

    iResponseItemArray.AppendL( responseItem );

    CleanupStack::Pop( responseItem );

    }

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

// CESMRResponseField::InitializeL

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

//

void CESMRResponseField::InitializeL()

    {

    FUNC_LOG;

    TAknLayoutText layout =

    NMRLayoutManager::GetLayoutText(

            Rect(), NMRLayoutManager::EMRTextLayoutCheckboxEditor );

    SetFont( layout.Font() );

    }

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

// CESMRResponseField::CountComponentControls

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

//

TInt CESMRResponseField::CountComponentControls() const

    {

    FUNC_LOG;

    return iResponseItemArray.Count();

    }

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

// CESMRResponseField::ComponentControl

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

//

CCoeControl* CESMRResponseField::ComponentControl( TInt aInd ) const

    {

    FUNC_LOG;

    return iResponseItemArray[aInd];

    }

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

// CESMRResponseField::SizeChanged

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

//

void CESMRResponseField::SizeChanged()

    {

    FUNC_LOG;

    TInt count( iResponseItemArray.Count() );

    TRect parentRect( Rect() );

    TRect rect;

    for( TInt i = 1; i <= count; ++i )

        {

        TAknLayoutRect choiceLayoutRect =

            NMRLayoutManager::GetFieldRowLayoutRect( parentRect, i );

        rect = parentRect;

        // Move the row down then it will be drawn to correct position.

        // controlIndex+1 tells the fields index.

        TInt movement = choiceLayoutRect.Rect().Height();

        rect.Move( 0, movement * ( i - 1 ) );

        AknLayoutUtils::LayoutControl(

                ControlItem( i - 1 ),

                rect,

                choiceLayoutRect.Color().Value(),

                choiceLayoutRect.Rect().iTl.iX,

                0,

                choiceLayoutRect.Rect().iBr.iX,

                choiceLayoutRect.Rect().iBr.iY,

                choiceLayoutRect.Rect().Width(),

                choiceLayoutRect.Rect().Height() );

        }

    }

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

// CESMRResponseField::MinimumSize

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

//

TSize CESMRResponseField::MinimumSize()

    {

    TRect rect( Rect() );

    // Topic field

    TAknLayoutRect row1LayoutRect(

        NMRLayoutManager::GetFieldRowLayoutRect( rect, 1 ) );

    rect = row1LayoutRect.Rect();

    TInt rowCount( iResponseItemArray.Count() );

    TInt height( rect.Height() * rowCount );

    return TSize( Parent()->Size().iWidth, height );

    }

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

// CESMRResponseField::OfferKeyEventL

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

//

TKeyResponse CESMRResponseField::OfferKeyEventL( const TKeyEvent& aKeyEvent,

                                                TEventCode aType )

    {

    FUNC_LOG;

    TKeyResponse consumed( EKeyWasNotConsumed );

    if ( aType == EEventKey )

        {

        if ( iConflicted )

            {

            if ( aKeyEvent.iScanCode == EStdKeyUpArrow  && iSelectionIndex > 0 )

                {

                iResponseItemArray[KExtraInfoItemIndex]->RemoveHighlight();

                iResponseItemArray[KConflictItemIndex]->SetHighlight();

                iSelectionIndex = KConflictItemIndex;

                consumed = EKeyWasConsumed;

                }

            if ( aKeyEvent.iScanCode == EStdKeyDownArrow  && iSelectionIndex < iResponseItemArray.Count()-1 )

                {

                iResponseItemArray[KConflictItemIndex]->RemoveHighlight();

                iResponseItemArray[KExtraInfoItemIndex]->SetHighlight();

                iSelectionIndex = KExtraInfoItemIndex;

                consumed = EKeyWasConsumed;

                }

            }

        }

    if ( consumed == EKeyWasConsumed )

        {

        DrawDeferred();

        }

    return consumed;

    }

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

// CESMRResponseField::FocusChanged

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

//

void CESMRResponseField::FocusChanged( TDrawNow /*aDrawNow*/ )

    {

    FUNC_LOG;

    if ( iConflicted && !iPointEvent )

    	{

        // set the default value for iSelectionIndex, depend on iPreItemIndex

    	if ( PreItemIndex() <= CurrentItemIndex() )

    		{

            iSelectionIndex = 0;

    		}

    	else

    		{

            iSelectionIndex = 1;

    		}

    	}

    // Focus received

    if ( IsFocused() && iSelectionIndex < iResponseItemArray.Count() )

        {

        if( !iPointEvent )

        	{

            // By default, highlight the first item

            iResponseItemArray[iSelectionIndex]->SetHighlight();

            DrawDeferred();

        	}

        }

    else // Focus lost remove highlight

        {

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

            {

            iResponseItemArray[i]->RemoveHighlight();

            }

        }

    iPointEvent = EFalse;

    }

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

// CESMRResponseField::InternalizeL

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

//

void CESMRResponseField::InternalizeL( MESMRCalEntry& aEntry )

    {

    FUNC_LOG;

    iNormalResponse = EFalse;

    iRemoveResponse = EFalse;

    MESMRMeetingRequestEntry* entry = NULL;

    if ( MESMRCalEntry::EESMRCalEntryMeetingRequest == aEntry.Type() )

        {

        entry = static_cast<MESMRMeetingRequestEntry*>(&aEntry);

        }

    else

        {

        User::Leave( KErrNotSupported );

        }

    // Judge if there is any conflicts with other existed event.

    iConflicted = entry->Conflicts();

    if ( iConflicted )

        {

        // Construct the item to show conflicts info, and insert it to the beginning of array

        CESMRResponseItem* conflictItem =

            CESMRResponseItem::NewLC( EESMRCmdUndefined, KNullDesC, EFalse );

        iResponseItemArray.Insert( conflictItem, 0 );

        CleanupStack::Pop( conflictItem );

        HBufC* conflictString;

        conflictString = StringLoader::LoadLC(

                       R_QTN_MEET_REQ_RESPONSE_CONFLICT , iEikonEnv );

        // Show prompt conflict dialog

        iConfPopup = CESMRConflictPopup::NewL(aEntry);

        if ( iResponseItemArray.Count() > 0 )

            {

            iResponseItemArray[KConflictItemIndex]->SetUnderlineL( ETrue );

            iResponseItemArray[KConflictItemIndex]->SetTextL( conflictString->Des() );

            }

        CleanupStack::PopAndDestroy( conflictString );

        }

    // Set other info, for example, "please respond", "Request is out of date",

    // "Meeting has been canceled" ......

    MESMRMeetingRequestEntry::TESMREntryInfo attendeeInfo = entry->EntryAttendeeInfoL();

    HBufC* stringholder;

    switch( attendeeInfo )

        {

        case MESMRMeetingRequestEntry::EESMREntryInfoOutOfDate:

            {

            stringholder = StringLoader::LoadLC(

                           R_QTN_MEET_REQ_RESPONSE_OUT_OF_DATE , iEikonEnv );

            if( entry->IsOpenedFromMail() )

            	{

                iRemoveResponse = ETrue;

            	}

            break;

            }

        case MESMRMeetingRequestEntry::EESMREntryInfoCancelled:

            {

            stringholder = StringLoader::LoadLC(

                           R_QTN_MEET_REQ_RESPONSE_CANCELLED , iEikonEnv );

            HandleCancelledEventItemsL( aEntry );

            if( entry->IsOpenedFromMail() )

            	{

            	iRemoveResponse = ETrue;

            	}

            break;

            }

        case MESMRMeetingRequestEntry::EESMREntryInfoAccepted:

            {

            stringholder = StringLoader::LoadLC(

                           R_QTN_MEET_REQ_RESPOND_ACCEPTED , iEikonEnv );

            iNormalResponse = ETrue;

            break;

            }

        case MESMRMeetingRequestEntry::EESMREntryInfoTentativelyAccepted:

            {

            stringholder = StringLoader::LoadLC(

                           R_QTN_MEET_REQ_RESPOND_TENTATIVE , iEikonEnv );

            iNormalResponse = ETrue;

            break;

            }

        case MESMRMeetingRequestEntry::EESMREntryInfoDeclined:

            {

            stringholder = StringLoader::LoadLC(

                           R_QTN_MEET_REQ_RESPOND_DECLINED , iEikonEnv );

            iNormalResponse = ETrue;

            break;

            }

       case MESMRMeetingRequestEntry::EESMREntryInfoOccursInPast:

            {

            stringholder = StringLoader::LoadLC(

                           R_QTN_MEET_REQ_RESPONSE_OCCURS_PAST , iEikonEnv );

            if( entry->IsOpenedFromMail() )

            	{

            	iRemoveResponse = ETrue;

            	}

            break;

            }

        case MESMRMeetingRequestEntry::EESMREntryInfoNormal:

            {

            stringholder = StringLoader::LoadLC(

                           R_QTN_MEET_REQ_RESPONSE_PLEASE_RESPOND , iEikonEnv );

            iNormalResponse = ETrue;

            break;

            }

        default:

            stringholder = StringLoader::LoadLC(

                           R_QTN_MEET_REQ_RESPONSE_PLEASE_RESPOND , iEikonEnv );

            iNormalResponse = ETrue;

        break;

        }

    TInt repondItemIndex( 0 );

    if ( iConflicted && iResponseItemArray.Count() == 2 )

        {

        repondItemIndex = 1;

        }

    iResponseItemArray[repondItemIndex]->SetUnderlineL( ETrue );

    iResponseItemArray[repondItemIndex]->SetTextL( stringholder->Des() );

    SizeChanged();

    CleanupStack::PopAndDestroy( stringholder );

    }

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

// CESMRResponseField::AddObserver

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

//

void CESMRResponseField::AddObserver( MESMRResponseObserver* aResponseObserver )

    {

    FUNC_LOG;

    iResponseObserver = aResponseObserver;

    }

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

// CESMRResponseField::SetFont

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

//

void CESMRResponseField::SetFont( const CFont* aFont )

    {

    FUNC_LOG;

    iFont = aFont;

    // Set font for the response items (conflict and extrainfo item )

    TInt itemCount = iResponseItemArray.Count();

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

        {

        iResponseItemArray[i]->SetFont( aFont );

        }

    }

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

// CESMRResponseField::ItemSelectedL

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

//

TBool CESMRResponseField::ItemSelectedL()

    {

    FUNC_LOG;

    TBool selected( EFalse );

    TInt ret( KErrCancel );

    if ( iConflicted )

        {

        if ( iSelectionIndex == 0 )

            {

            if ( iConfPopup )

                {

                iConfPopup->ShowPopup();

                }

            }

        if ( KExtraInfoItemIndex == iSelectionIndex )

            {

            if ( iNormalResponse )

                {

                // Try to send response

                CESMRListQuery* query =

                        CESMRListQuery::NewL( CESMRListQuery::EESMRNormalResponseQuery );

                CleanupStack::PushL( query );

                ret = query->ExecuteLD();

                CleanupStack::Pop( query );

                }

            if ( iRemoveResponse )

                {

                CESMRListQuery* query =

                        CESMRListQuery::NewL( CESMRListQuery::EESMRRemoveResponseQuery );

                CleanupStack::PushL( query );

                ret = query->ExecuteLD();

                CleanupStack::Pop( query );

                }

            }

        }

    else

        {

        if ( KConflictItemIndex == iSelectionIndex )

            {

            if ( iNormalResponse )

                {

                // Try to send response

                CESMRListQuery* query =

                        CESMRListQuery::NewL( CESMRListQuery::EESMRNormalResponseQuery );

                CleanupStack::PushL( query );

                ret = query->ExecuteLD();

                CleanupStack::Pop( query );

                }

            if ( iRemoveResponse )

                {

                CESMRListQuery* query =

                        CESMRListQuery::NewL( CESMRListQuery::EESMRRemoveResponseQuery );

                CleanupStack::PushL( query );

                ret = query->ExecuteLD();

                CleanupStack::Pop( query );

                }

            }

        }

    if ( KErrCancel != ret )

        {

        NotifyEventAsyncL( ret );

        }

    return selected;

    }

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

// CESMRResponseField::HandleCancelledEventItemsL

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

//

void CESMRResponseField::HandleCancelledEventItemsL( MESMRCalEntry& aEntry )

    {