/*

* Copyright (c) 2007 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:

*

*/

#include <e32keys.h>

#include <e32math.h>

#include <AknsDrawUtils.h>

#include <layoutmetadata.cdl.h>

#include <aknlongtapdetector.h>

#ifdef RD_UI_TRANSITION_EFFECTS_LIST

#include <aknlistloadertfx.h>

#include <aknlistboxtfxinternal.h>

#include <aknlistboxtfx.h>

#endif

#include "mmwidgetcontainer.h"

#include "mmlistboxmodel.h"

#include "mmmarqueeadapter.h"

#include "mmwidgetobserver.h"

#include "mmvisibilityobserver.h"

#include "mmlistboxcontainer.h"

#include "mmgridcontainer.h"

#include "mmlistboxitemdrawer.h"

#include "mmmarqueeadapter.h"

#include "mmfloatingitem.h"

#include "hnsuitemodel.h"

#include "hnitemsorder.h"

#include "menudebug.h"

#include "mmdraweranimator.h"

#include "hnglobals.h"

#include "mmpostevaluationprocessor.h"

#include "mmgrid.h"

#include "mmlongtapobserver.h"

class CMmTemplateLibrary;

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

//

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

//

TMmWidgetPosition::TMmWidgetPosition()

    : iVerticalItemOffset( 0 )

    , iTopItemIndex( KErrNotFound )

    , iValid( EFalse )

    , iLandscape( EFalse )

    , iHighlightedItemId( KErrNotFound )

    {

    }

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

//

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

//

EXPORT_C CMmWidgetContainer* CMmWidgetContainer::NewGridContainerL( const TRect& aRect,

        MObjectProvider* aObjectProvider, CMmTemplateLibrary* aLibrary )

    {

    return CMmGridContainer::NewL( aRect, aObjectProvider, aLibrary );

    }

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

//

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

//

EXPORT_C CMmWidgetContainer* CMmWidgetContainer::NewListBoxContainerL( const TRect& aRect,

        MObjectProvider* aObjectProvider, CMmTemplateLibrary* aTemplateLibrary )

    {

    return CMmListBoxContainer::NewL( aRect, aObjectProvider, aTemplateLibrary );

    }

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

//

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

//

void CMmWidgetContainer::ConstructL()

    {

    iBgContext = CAknsBasicBackgroundControlContext::NewL(

            KAknsIIDQsnBgAreaMainAppsGrid, Rect(), EFalse );

    iLongTapDetector = CAknLongTapDetector::NewL( this );

    iLongTapDetector->EnableLongTapAnimation( ETrue );

    }

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

//

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

//

CMmWidgetContainer::CMmWidgetContainer()

    : iMarqueeAdapter( NULL )

    , iLongTapInProgress( EFalse )

    , iBgContext( NULL )

    , iIsFaded( EFalse )

    , iHasFocus( ETrue )

    , iInForeground( ETrue )

    , iAllowMove( EFalse )

    , iRecipientId( KErrNotFound )

    , iEventParameters( NULL )

    {

    iWidgetPositionCache.iValid = EFalse;

    }

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

//

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

//

CMmWidgetContainer::~CMmWidgetContainer()

    {

    AknsUtils::DeregisterControlPosition( this );

    AknsUtils::DeregisterControlPosition( this->iWidget );

    delete iBgContext;

    delete iPostProcessor;

    delete iLongTapDetector;

    delete iEventParameters;

    }

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

//

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

//

EXPORT_C void CMmWidgetContainer::EnableLongTapAnimation( TBool aEnable )

    {

    if( iLongTapDetector )

        {

        iLongTapDetector->EnableLongTapAnimation( aEnable );

        }

    }

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

//

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

//

void CMmWidgetContainer::SizeChanged()

    {

    if( iWidget && iWidgetRect != Rect() )

        {

      CMmTemplateLibrary * templateLibrary =

      static_cast<CMmListBoxItemDrawer*> (

          Widget()->View()->ItemDrawer() )->TemplateLibrary();

        if( Rect() != templateLibrary->GetParentRect(

                Layout_Meta_Data::IsLandscapeOrientation() ) )

            {

            templateLibrary->CleanAndClearCache();

            }

        iWidget->View()->SetViewRect( Rect() );

        iWidget->SetRect( Rect() );

        iWidgetRect = Rect();

        }

    if( iBgContext )

        {

        TRect rect = iCoeEnv->ScreenDevice()->SizeInPixels();

        iBgContext->SetRect( rect );

        SetItemDrawerAndViewBgContext( iBgContext );

        }

    AknsUtils::RegisterControlPosition( this );

    AknsUtils::RegisterControlPosition( this->iWidget );

    }

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

//

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

//

void CMmWidgetContainer::Draw( const TRect& /*aRect*/) const

    {

    // do nothing

    }

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

//

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

//

TTypeUid::Ptr CMmWidgetContainer::MopSupplyObject( TTypeUid aId )

    {

    if( aId.iUid == MAknsControlContext::ETypeId && iBgContext )

        {

        return MAknsControlContext::SupplyMopObject( aId, iBgContext );

        }

    return CCoeControl::MopSupplyObject( aId );

    }

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

//

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

//

void CMmWidgetContainer::HandleButtonDownL(const TPointerEvent& aPointerEvent )

    {

    iTapPoint = aPointerEvent.iPosition;

    iLastDragPoint = aPointerEvent.iPosition;

    iLastDragHighlight = GetHighlight();

    if( !iWidget->View()->XYPosToItemIndex(

        aPointerEvent.iPosition, iDraggedIndex ) )

        {

        iDraggedIndex = KErrNotFound;

        }

    iItemRelativeTapPoint = aPointerEvent.iPosition - iWidget->View()->ItemPos(

        iDraggedIndex );

    }

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

//

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

//

void CMmWidgetContainer::HandleButtonUpL( const TPointerEvent& /*aPointerEvent*/)

    {

    iTapPoint = TPoint( 0, 0 );

    CancelDragL( EFalse );

    }

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

//

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

//

void CMmWidgetContainer::HandleResourceChange( TInt aType )

    {

    if ( aType == KEikDynamicLayoutVariantSwitch ||

            aType == KAknsMessageSkinChange )

        {

        static_cast<CMmListBoxItemDrawer*> ( iDrawer )->InvalidateCache();

        CMmTemplateLibrary * templateLibrary =

        static_cast<CMmListBoxItemDrawer*>( iDrawer )->TemplateLibrary();

        templateLibrary->CleanAndClearCache();

        }

    TBool highlightVisibleBefore = iWidget->IsVisible() && IsHighlightVisible();

    CCoeControl::HandleResourceChange( aType );

    if( highlightVisibleBefore )

        {

        TRAP_IGNORE( SetHighlightVisibilityL( ETrue ) );

        }

    if( aType == KEikDynamicLayoutVariantSwitch && !IsHighlightVisible() )

        {

        TRAP_IGNORE( SetDefaultHighlightL( EFalse ) );

        }

    }

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

//

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

//

EXPORT_C void CMmWidgetContainer::ItemIconZoomL( TInt /*aItemIndex */)

    {

    TInt index = GetHighlight();

    if( index != iDraggedIndex )

        {

        iDrawer->AnimateItemZoomInL( index );

        }

    }

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

//

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

//

EXPORT_C CHnSuiteModel* CMmWidgetContainer::GetSuiteModelL()

    {

    return GetMmModel()->GetSuiteModel();

    }

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

//

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

//

void CMmWidgetContainer::HandleDragL( const TPointerEvent& aPointerEvent,

        TBool aAbortAnimation )

    {

    DEBUG(("\t_Mm_:CMmWidgetContainer::HandleDragL: iLastDragHighlight = %d ",

                    iLastDragHighlight ));

    TInt highlight = GetHighlight();

    DEBUG(("\t_Mm_:CMmWidgetContainer::HandleDragL: highlight = %d ", highlight ));

    TPoint dragDelta( iLastDragPoint - aPointerEvent.iPosition );

    TInt dragSpeed = dragDelta.iX * dragDelta.iX + dragDelta.iY * dragDelta.iY;

    TBool tooFast = ( dragSpeed > MmEffects::KDragSpeedIgnoreThreshold );

    if( iLastDragHighlight != highlight )

        {

        iDragAndDropObserver->HandleDragOverL( GetHighlight() );

        }

    if( !tooFast )

        {

        TSize itemSize = iWidget->View()->ItemSize( highlight );

    TPoint itemPos = iWidget->View()->ItemPos( highlight );

    if ( PointInItemReorderAreaL( highlight, aPointerEvent.iPosition ) )

       {

       CHnSuiteModel* model = GetMmModel()->GetSuiteModel();

       CHnItemModel* onItemModel = model->GetItemModel( model->IdByIndex( highlight ));

       if (iDrawer->GetAnimator()->IsReadyForNewAnimation() && !aAbortAnimation

           && onItemModel->GetItemType() != EItemTypeParentFolder

           && iDraggedIndex != highlight)

           {

           GetMmModel()->ReorderModelL( iDraggedIndex, highlight );

                AnimateShiftL( highlight );

                iDrawer->SetDraggedIndexL( highlight,

                        aPointerEvent.iPosition - iItemRelativeTapPoint );

           iDraggedIndex = highlight;

           iDragAndDropObserver->HandleDraggedIndexUpdatedL( highlight );

           }

       }

      }

    if ( DeltaSquare( iTapPoint, aPointerEvent.iPosition ) > KDragDelta &&

        !iDrawer->IsDraggable() )

    {

    iDrawer->SetDraggedIndexL( iDraggedIndex, iTapPoint - iItemRelativeTapPoint );

        iDrawer->SetDraggableL( ETrue );

        }

    else if( iDrawer->IsDraggable() )

        {

        iDrawer->SetDraggedPointL( aPointerEvent.iPosition - iItemRelativeTapPoint );

        }

    DEBUG(("\t_Mm_:CMmWidgetContainer::HandleDragL: iLastDragHighlight = %d ", iLastDragHighlight ));

    DEBUG(("\t_Mm_:CMmWidgetContainer::HandleDragL: highlight = %d ", highlight ));

    iLastDragPoint = aPointerEvent.iPosition;

    iLastDragHighlight = highlight;

    }

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

//

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

//

void CMmWidgetContainer::AnimateShiftL( TInt aHighlight )

    {

    TInt lowerVal =  (iDraggedIndex < aHighlight)? iDraggedIndex : aHighlight;

    TInt higherVal = (iDraggedIndex < aHighlight)? aHighlight : iDraggedIndex;

    TInt switchOperation = ( iDraggedIndex < aHighlight ) ? EFalse : ETrue;

    for( TInt iter( lowerVal ); iter < higherVal; iter++ )

        {

        TInt from = iter + 1;

        TInt to = iter;

        if( switchOperation )

            {

            from = iter;

            to = iter + 1;

            }

        iDrawer->AnimateItemSwapL( from, to );

        }

    }

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

//

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

//

EXPORT_C void CMmWidgetContainer::CancelDragL( TBool aAnimate )

    {

    if( aAnimate )

        {

        iDrawer->AnimateDragItemTransitionL();

        }

    SetHighlightAfterDrag();

    iDraggedIndex = -1;

    iDrawer->SetDraggedIndexL( iDraggedIndex, TPoint( 0, 0 ) );

    SetDraggableL( EFalse );

    TInt dragFloatingItem;

    do

        {

        dragFloatingItem = iDrawer->GetFloatingItemIndex( EDrag );

        iDrawer->RemoveFloatingItem( dragFloatingItem );

        }

    while( dragFloatingItem != KErrNotFound );

    }

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

//

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

//

TBool CMmWidgetContainer::IsFolderL( TInt aItemIndex )

    {

    TBool result = EFalse;

    CHnSuiteModel* model = GetMmModel()->GetSuiteModel();

    if( model )

        {

    CHnItemModel* onItemModel = model->GetItemModel( model->IdByIndex( aItemIndex ));

        if( onItemModel )

            {

            result = onItemModel->GetItemType() == EItemTypeParentFolder

                    || onItemModel->GetItemType() == EItemTypeFolder;

            }

        }

    return result;

    }

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

//

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

//

TBool CMmWidgetContainer::IsNoItemDragged()

    {

    TBool noItemDragged = EFalse;

  noItemDragged = ( KErrNotFound == iDraggedIndex ) ? ETrue : noItemDragged;

    CHnSuiteModel* model = GetMmModel()->GetSuiteModel();

    if( !noItemDragged && model )

        {

    CHnItemModel* onItemModel = model->GetItemModel( model->IdByIndex( iDraggedIndex ));

        if( onItemModel )

            {

        noItemDragged = ( onItemModel->GetItemType() == EItemTypeParentFolder );

            }

        }

    return noItemDragged;

    }

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

//

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

//

EXPORT_C void CMmWidgetContainer::SetHasFocusL( TBool aHasFocus )

    {

    if( !!aHasFocus != !!iHasFocus ) // logical Ex-OR

        {

        iHasFocus = aHasFocus;

        StartOrStopMarquee();

        }

    if( !aHasFocus )

        {

        SetHighlightVisibilityL( EFalse );

        }

    }

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

//

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

//

EXPORT_C void CMmWidgetContainer::SetIsFaded( TBool aIsFaded )

    {

    if( !!aIsFaded != !!iIsFaded ) // logical Ex-OR

        {

        iIsFaded = aIsFaded;

        StartOrStopMarquee();

        }

    }

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

//

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

//

TBool CMmWidgetContainer::LongTapInProgress() const

    {

    return iLongTapInProgress;

    }

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

//

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

//

EXPORT_C TBool CMmWidgetContainer::AllowMove() const

    {

    return iAllowMove;

    }

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

//

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

//

void CMmWidgetContainer::SetAllowMove( TBool aAllowMove )

    {

    iAllowMove = aAllowMove;

    }