/*

* Copyright (c) 2002 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:   The ListBox class's virtual functions.

 *                MakeViewClassInstanceL() are overridden by the

 *                Day View's ListBox.

 *

*/

//debug

#include "calendarui_debug.h"

// INCLUDE FILES

#include "calendaylistbox.h"

#include "calendaycontainer.h"

#include "calendaylistboxdata.h"

#include "calendaylistboxitemdrawer.h"

#include "calendaylistboxview.h"

#include "calendrawutils.h"

#include "CalendarVariant.hrh"

#include <Calendar.rsg>

#include <calenservices.h>

#include <AknsControlContext.h>

#include <aknlists.h>

#include <AknsUtils.h>

#include <gulicon.h>

#include <StringLoader.h>

#include <aknlayoutscalable_apps.cdl.h>

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

CCalenDayListBox::CCalenDayListBox( MCalenServices& aServices )

    : iServices( aServices )

    {

    TRACE_ENTRY_POINT;

    TRACE_EXIT_POINT;

    }

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

//

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

//

CCalenDayListBox* CCalenDayListBox::NewL( const CCalenDayContainer* aDayContainer,

                                                             MCalenServices& aServices )

    {

    TRACE_ENTRY_POINT;

    CCalenDayListBox* self = new (ELeave) CCalenDayListBox( aServices );

    CleanupStack::PushL(self);

    self->ConstructL(aDayContainer);

    CleanupStack::Pop(self);

    TRACE_EXIT_POINT;

    return self;

    }

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

// 

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

//

void CCalenDayListBox::ConstructL(const CCalenDayContainer* aDayContainer)

    {

    TRACE_ENTRY_POINT;

    iDayContainer = aDayContainer;

    SetContainerWindowL(*aDayContainer); 

    TInt flags = 0; // no flags

    CEikFormattedCellListBox::ConstructL(aDayContainer, flags);

    //UpdateIconsL();

    // Conversion is made in CalenDayListboxModel, so turn it off

    UseLogicalToVisualConversion(EFalse);

    // FIXME: is this necessary ?

    SetBorder(TGulBorder::ENone); 

    // Set text for empty listbox

    HBufC* emptyText = StringLoader::LoadLC(R_CALEN_QTN_CALE_NO_EVENTS,

                                            iEikonEnv);

    View()->SetListEmptyTextL(*emptyText); // ownership transferred

    CleanupStack::PopAndDestroy(emptyText);

    // Create scroll bar

    CreateScrollBarFrameL(ETrue);

    ScrollBarFrame()->SetScrollBarVisibilityL(

        CEikScrollBarFrame::EOff, CEikScrollBarFrame::EAuto);

    TRACE_EXIT_POINT;

    }

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

// CCalenDayListBox::CreateItemDrawerL

// Create CCalenDayLBData and CCalenDayListBoxItemDrawer.

// (other items were commented in a header).

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

//

void CCalenDayListBox::CreateItemDrawerL()

    {

    TRACE_ENTRY_POINT;

    CCalenDayListboxData* listboxData = CCalenDayListboxData::NewL();

    CleanupStack::PushL( listboxData );

    iItemDrawer = new(ELeave) CCalenDayListBoxItemDrawer(

                                                            Model(), 

                                                            iEikonEnv->NormalFont(),

                                                            listboxData,

                                                            this );

    CleanupStack::Pop( listboxData );

    TRACE_EXIT_POINT;

    }

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

// CCalenDayListBox::HandleResourceChange

// Handles global resource changes, such as skin events

// (other items were commented in a header).

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

void CCalenDayListBox::HandleResourceChange(TInt aType)

    {

    TRACE_ENTRY_POINT;

/* // Temp: to be removed. Icon updates is now handled in CalenDayContainer   

    if( aType == KAknsMessageSkinChange ||

        aType == KEikDynamicLayoutVariantSwitch )

        {

        PIM_TRAPD_HANDLE( UpdateIconsL() );

        // After this, icon sizes should be also set in SizeChanged, 

        // i.e SizeChanged should be called

        }

*/

    // Performance improvement: in layout changes, 

    // we get to DoStepL ultimately. No need to invoke 

    // HandleLayoutChangeL of Listbox at this early stage

    if(aType != KEikDynamicLayoutVariantSwitch)

        {       

        CEikFormattedCellListBox::HandleResourceChange(aType);        

        }

    TRACE_EXIT_POINT;

    }

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

// CCalenDayListBox::SizeChangedL

// Handles size change event

// (other items were commented in a header).

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

//

void CCalenDayListBox::HandleSizeChangedL()

    {

    TRACE_ENTRY_POINT;

    CEikFormattedCellListBox &aListBox = *this;

    CFormattedCellListBoxItemDrawer *itemDrawer = aListBox.ItemDrawer();

    AknListBoxLayouts::SetupStandardListBox( aListBox );

    AknListBoxLayouts::SetupStandardFormListbox( itemDrawer );

    AknListBoxLayouts::SetupListboxPos( aListBox, AknLayoutScalable_Apps::list_cale_time_pane( 0 ).LayoutLine() );

    TAknWindowLineLayout gfxA;

    TAknTextLineLayout textA;

    TAknTextLineLayout textB;

    TAknTextLineLayout textC;

    TAknWindowLineLayout iconA;

    TAknWindowLineLayout iconB;

#ifdef RD_CALEN_MIDNIGHT_VISUALIZATION 

    TBool midnight = iDayContainer->IsMidnightVisualization();

#endif // RD_CALEN_MIDNIGHT_VISUALIZATION

    TLocale locale;

    CCalenDayListBox::ReadLayout(

        locale,

        gfxA, textA, textB, textC, iconA, iconB

#ifdef RD_CALEN_MIDNIGHT_VISUALIZATION    

        , midnight 

#endif // RD_CALEN_MIDNIGHT_VISUALIZATION        

        );

    /* Day view list content 

     * 

     * Memos & Anniversaries

     *

     * gfxA | textB        | textC   | iconA 

     * 0    | 2            | 3       | 4

     * icon | always empty | subject | alarm icon

     * 

     *

     * Meetings 

     *

     * textA | textB         | textC            | iconA  | iconB 

     * 1     | 2             | 3                | 4      | 5

     * time  | space or dash | subject,location | repeat | alarm 

     *

     *

     * To-Dos

     *

     * gfxA  | textB         | textC   | iconA    | iconB 

     * 0     | 2             | 3       | 4        | 5

     * icon  | always empty  | subject | priority | alarm 

     * 

     * 

     * 0 t 1 t 2 t 3 t 4 t 5

     * Meeting

     * \t14:00\t-\tXXXXX,XXXXXX\trepeat icon index\talarm icon index

     * Memo & anniversary 

     * icon index\t \t\tXXXXXXXXXXXXXX\talarm icon\t\t

     * To-Do

     * icon index\t \t\tXXXXXXXXXXXXXX\tpriority icon\talarm icon\t

     */

    TPoint area[2];

    TSize itemSize( View()->ItemSize() );

    // subcell 0, gfxA, memo or anniversary icon

    TInt subCell = 0;

    CalenDrawUtils::GfxPos( area, gfxA, itemSize );

    AknListBoxLayouts::SetupFormGfxCell( aListBox, itemDrawer, subCell, gfxA, area[0], area[1] );

    itemDrawer->FormattedCellData()->SetNotAlwaysDrawnSubCellL( subCell, ETrue );

    ++subCell;

    // subcell 1, textA, meeting time 

    CalenDrawUtils::TextPos( area, textA, itemSize );

    AknListBoxLayouts::SetupFormAntiFlickerTextCell( aListBox, itemDrawer, subCell, textA, area[0], area[1] );

    itemDrawer->FormattedCellData()->SetNotAlwaysDrawnSubCellL( subCell, ETrue );

    ++subCell;

    // subcell 2, textB, space or dash

    CalenDrawUtils::TextPos( area, textB, itemSize );

    AknListBoxLayouts::SetupFormAntiFlickerTextCell( aListBox, itemDrawer, subCell, textB, area[0], area[1] );

    ++subCell;

    // subcell 3, textC, subject,location

    CalenDrawUtils::TextPos( area, textC, itemSize );

    AknListBoxLayouts::SetupFormAntiFlickerTextCell( aListBox, itemDrawer, subCell, textC, area[0], area[1] );

    ++subCell;

    // subcell 4, iconA

    CalenDrawUtils::GfxPos( area, iconA, itemSize );

    AknListBoxLayouts::SetupFormGfxCell( aListBox, itemDrawer, subCell, iconA, area[0], area[1] );

    itemDrawer->FormattedCellData()->SetNotAlwaysDrawnSubCellL( subCell, ETrue );

    ++subCell;

    // subcell 5, iconB

    CalenDrawUtils::GfxPos( area, iconB, itemSize );

    AknListBoxLayouts::SetupFormGfxCell( aListBox, itemDrawer, subCell, iconB, area[0], area[1] );

    itemDrawer->FormattedCellData()->SetNotAlwaysDrawnSubCellL( subCell, ETrue );

    // Set skinend text and highlight colors

    MAknsSkinInstance* skin = AknsUtils::SkinInstance();

    // highlight color

    TRgb textColor(KRgbBlack);

    TInt error = AknsUtils::GetCachedColor( skin, textColor, 

                                            KAknsIIDQsnTextColors,

                                            EAknsCIQsnTextColorsCG22);

    if (!error)

        {

        itemDrawer->SetTextColor(textColor);

        }

    // highlight color

    TRgb highlightColor(KRgbBlack);

    error = AknsUtils::GetCachedColor( skin, highlightColor, 

                                             KAknsIIDQsnTextColors,

                                             EAknsCIQsnTextColorsCG10);

    if (!error)

        {

        itemDrawer->SetHighlightedTextColor(highlightColor);

        }

    TSize main_pane_Size;

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

    TRect main_pane( main_pane_Size );

    TAknLayoutRect main_cale_day_pane;

    main_cale_day_pane.LayoutRect( main_pane, AknLayoutScalable_Apps::main_cale_day_pane().LayoutLine() );

    TAknLayoutRect listscroll_cale_day_pane;

    TInt layoutVariant = iDayContainer->LayoutVariantIndex( CCalenDayContainer::EListScrollCaleDayPane );

    listscroll_cale_day_pane.LayoutRect( main_cale_day_pane.Rect(), AknLayoutScalable_Apps::listscroll_cale_day_pane( layoutVariant ).LayoutLine() );

    TAknLayoutRect list_cale_pane;

    list_cale_pane.LayoutRect( listscroll_cale_day_pane.Rect(), AknLayoutScalable_Apps::list_cale_pane( layoutVariant ).LayoutLine() );

    TAknLayoutRect list_cale_time_pane;

    list_cale_time_pane.LayoutRect( list_cale_pane.Rect(), AknLayoutScalable_Apps::list_cale_time_pane( 0 ).LayoutLine() );

    // Set sizes to icons. Needed for SVG icons

    CArrayPtr<CGulIcon>* iconArray = ItemDrawer()->FormattedCellData()->IconArray();

    if(iconArray)

        {

        TAknLayoutRect sizeLayout;

        sizeLayout.LayoutRect( list_cale_time_pane.Rect(), gfxA );

        TSize size( sizeLayout.Rect().Size() );

        AknIconUtils::SetSize( iconArray->At( iDayContainer->IconIndex( MCalenServices::ECalenBirthdayIcon ))->Bitmap(), size );

        AknIconUtils::SetSize( iconArray->At( iDayContainer->IconIndex( MCalenServices::ECalenMeetingIcon ))->Bitmap(), size );

        AknIconUtils::SetSize( iconArray->At( iDayContainer->IconIndex( MCalenServices::ECalenDaynoteIcon ))->Bitmap(), size );

        AknIconUtils::SetSize( iconArray->At( iDayContainer->IconIndex( MCalenServices::ECalenToDoIcon ))->Bitmap(), size );

        // IconA and IconB size are same. Both icons can be in IconA column, when

        // just one icon is present. 

        sizeLayout.LayoutRect( list_cale_time_pane.Rect(), iconA );

        size = sizeLayout.Rect().Size();

        AknIconUtils::SetSize( iconArray->At( iDayContainer->IconIndex( MCalenServices::ECalenAlarmIcon ))->Bitmap(), size );

        AknIconUtils::SetSize( iconArray->At( iDayContainer->IconIndex( MCalenServices::ECalenRepeatIcon))->Bitmap(), size );

        AknIconUtils::SetSize( iconArray->At( iDayContainer->IconIndex( MCalenServices::ECalenRepeatExceptionIcon ))->Bitmap(), size );

        AknIconUtils::SetSize( iconArray->At( iDayContainer->IconIndex( MCalenServices::ECalenMapIcon ))->Bitmap(), size );

        }

    TRACE_EXIT_POINT;

    }

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

// CCalenDayListBox::SizeChanged

// Handles size change event

// (other items were commented in a header).

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

//

void CCalenDayListBox::SizeChanged()

    {

    TRACE_ENTRY_POINT;

    PIM_TRAPD_HANDLE( HandleSizeChangedL() );

    CEikFormattedCellListBox::SizeChanged();

    TRACE_EXIT_POINT;

    }

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

// CCalenDayListBox::MinimumSize

// Returns minimum size of this control

// (other items were commented in a header).

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

//

TSize CCalenDayListBox::MinimumSize()

    {

    TRACE_ENTRY_POINT;

    TRACE_EXIT_POINT;

    return Size(); // for AknListBoxLayouts::SetupColumnTextCell()

    }

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

// CCalenDayListBox::Draw

// Draws itself

// (other items were commented in a header).

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

//

void CCalenDayListBox::Draw(const TRect& aRect) const

    {

    TRACE_ENTRY_POINT;

    if (Model()->NumberOfItems() == 0)

        {

        iView->DrawEmptyList(Rect());

        }

    else

        {

        iView->Draw(&aRect);

        }

    TRACE_EXIT_POINT;

    }

TKeyResponse CCalenDayListBox::HandleDownwardLoopingL(const TKeyEvent& aKeyEvent)

    {

    TRACE_ENTRY_POINT;

    // iView->CurrentItemIndex holds first line of focused 

    // item of day view, not last line of listbox itself. 

    // For this reason Eikon listbox code (CEikListBox::DoOfferKeyEventL)

    // can't handle looping from end to beginning. 

    // Here checking is done ourselves. If-clause is modified copy-paste from 

    // CEikListBox class. 

    CCalenDayListBoxView* view = static_cast<CCalenDayListBoxView*>(iView);

    TInt oldCurrentItemIndex = view->LastLineOfCell(iView->CurrentItemIndex());

    if (aKeyEvent.iCode == EKeyDownArrow

        &&

        !(iListBoxFlags & EPopout) 

        && 

        (oldCurrentItemIndex==Model()->NumberOfItems()-1 || oldCurrentItemIndex==-1))

        {

        if (iListBoxFlags & ELoopScrolling)

            {

            iView->MoveCursorL(CListBoxView::ECursorFirstItem, CListBoxView::ENoSelection);

            UpdateScrollBarThumbs();

            }

        return EKeyWasConsumed;

        }

    else

        {

        return EKeyWasNotConsumed;

        }

    TRACE_EXIT_POINT;

    }

TKeyResponse CCalenDayListBox::OfferKeyEventL(const TKeyEvent& aKeyEvent,TEventCode aType)

    {

    TRACE_ENTRY_POINT;

    TKeyEvent keyEvent=aKeyEvent;

    // FIXME: CEikListBox uses LafListBox for device customization

    // we should do same here. See uiklaf/src/laflbx.h. Needs dependency to uiklaf. 

    // keyEvent.iCode=LafListBox::MapKeyCode(aKeyEvent,aType);

    TKeyResponse keyRes = EKeyWasNotConsumed;

    if(keyEvent.iCode == EKeyDownArrow)

        {

        keyRes = HandleDownwardLoopingL(keyEvent);

        }

    if (keyRes != EKeyWasConsumed)

        {

        keyRes = CEikListBox::OfferKeyEventL(aKeyEvent,aType);

        }

    TRACE_EXIT_POINT;

    return keyRes;

    }

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

// CCalenDayListBox::MakeViewClassInstanceL

// Creates a derived class of CListBoxView class

// (other items were commented in a header).

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

//

CListBoxView* CCalenDayListBox::MakeViewClassInstanceL()

    {

    TRACE_ENTRY_POINT;

    TRACE_EXIT_POINT;

    return new(ELeave) CCalenDayListBoxView(this);

    }

//

// Static method to read day view LAF values. This is needed both in 

// CCalenDayListbox and CalenDayListboxModel.

void CCalenDayListBox::ReadLayout(

    TInt aLayoutVariant, 

    TLocale& aLocale,

    TAknLayoutRect& aGfxA,

    TAknLayoutText& aTextA,

    TAknLayoutText& aTextB,

    TAknLayoutText& aTextC,

    TAknLayoutRect& aIconA,

    TAknLayoutRect& aIconB,

    TBool aMidnightVisualization)

    {

    TRACE_ENTRY_POINT;

    TAknWindowLineLayout GfxA;

    TAknTextLineLayout   TextA;

    TAknTextLineLayout   TextB;

    TAknTextLineLayout   TextC;

    TAknWindowLineLayout IconA;

    TAknWindowLineLayout IconB;

    CCalenDayListBox::ReadLayout( aLocale, GfxA, TextA, TextB, 

    TextC, IconA, IconB, aMidnightVisualization);

    TSize main_pane_Size;

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

    TRect main_pane( main_pane_Size );

    TAknLayoutRect list_cale_pane;

    TAknLayoutRect list_cale_time_pane;

    TAknLayoutRect main_cale_day_pane;

    TAknLayoutRect listscroll_cale_day_pane;

    main_cale_day_pane.LayoutRect( main_pane, AknLayoutScalable_Apps::main_cale_day_pane().LayoutLine() );

    listscroll_cale_day_pane.LayoutRect( main_cale_day_pane.Rect(), AknLayoutScalable_Apps::listscroll_cale_day_pane( aLayoutVariant ).LayoutLine() );

    list_cale_pane.LayoutRect( listscroll_cale_day_pane.Rect(), AknLayoutScalable_Apps::list_cale_pane( aLayoutVariant ).LayoutLine() );  

    list_cale_time_pane.LayoutRect( list_cale_pane.Rect(), AknLayoutScalable_Apps::list_cale_time_pane( 0 ).LayoutLine() );

    aGfxA.LayoutRect(  list_cale_time_pane.Rect(), GfxA   );

    aIconA.LayoutRect( list_cale_time_pane.Rect(), IconA  );

    aIconB.LayoutRect( list_cale_time_pane.Rect(), IconB  );

    aTextA.LayoutText( list_cale_time_pane.Rect(), TextA );

    aTextB.LayoutText( list_cale_time_pane.Rect(), TextB );

    aTextC.LayoutText( list_cale_time_pane.Rect(), TextC );

    TRACE_EXIT_POINT;

    } 

//

// Static method to read day view LAF values. This is needed both in 

// CCalenDayListbox and CalenDayListboxModel.

void CCalenDayListBox::ReadLayout(TLocale& aLocale,

                                           TAknWindowLineLayout& aGfxA,

                                           TAknTextLineLayout& aTextA,

                                           TAknTextLineLayout& aTextB,

                                           TAknTextLineLayout& aTextC,

                                           TAknWindowLineLayout& aIconA,

                                           TAknWindowLineLayout& aIconB,

                                           TBool aMidnightVisualization)

    {

    TRACE_ENTRY_POINT;