/*

* 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:  Manager for selectable elements (hotspots and expand areas)

*

*/

//<cmail> removed __FS_ALFRED_SUPPORT flag

//#include <fsconfig.h>

//</cmail> removed __FS_ALFRED_SUPPORT flag

// <cmail> SF

#include "emailtrace.h"

#include <alf/alfvisual.h>

// </cmail>

#include "fstextviewerselectsmanager.h"

#include "fstextviewerselecthotspot.h"

#include "fstextviewerselectembed.h"

#include "fstextviewerselectline.h"

#include "fstextviewervisualizer.h"

#include "fstextviewervisualizersettings.h"

#include "fstextviewervisualizerdata.h"

#include "fstextparser.h"

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

// NewL

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

CFsTextViewerSelectsManager* CFsTextViewerSelectsManager::NewL( 

        CFsTextViewerVisualizer* aOwner )

    {

    FUNC_LOG;

    CFsTextViewerSelectsManager* self = 

        new (ELeave) CFsTextViewerSelectsManager( aOwner );

    CleanupStack::PushL( self );

    self->ConstructL();

    CleanupStack::Pop( self );

    return self;

    }

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

// ~CFsTextViewerSelectsManager

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

CFsTextViewerSelectsManager::~CFsTextViewerSelectsManager()

    {

    FUNC_LOG;

    iOwner = NULL;

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

        {

        delete iSelects[i];

        }

    iSelects.Close();

    }

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

// AppendSelectVisL

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

void CFsTextViewerSelectsManager::AppendSelectVisL( TFsRangedVisual* aVisual, 

        TInt aId,

        CFsTextViewerSelect::TFsTextViewerSelectType aType )

    {

    FUNC_LOG;

    TBool newNeeded = ETrue;

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

        {

        if ( iSelects[i]->GetId() == aId 

                && iSelects[i]->GetType() == aType )

            {

            iSelects[i]->AppendVisualL( aVisual );

            newNeeded = EFalse;

            }

        }

    if ( newNeeded )

        {

        CFsTextViewerSelect* select = NULL;

        switch ( aType )

            {

            case CFsTextViewerSelect::EFsHotspotType:

                {

                select = CFsTextViewerSelectHotspot::NewL( this );

                break;

                }

            case CFsTextViewerSelect::EFsEmbedType:

                {

                select = CFsTextViewerSelectEmbed::NewL( this );

                break;

                }

            case CFsTextViewerSelect::EFsLineType:

                {

                select = CFsTextViewerSelectLine::NewL( this );

                break;

                }

            default:

                {

                break;

                }

            }

			if (select)

				{

				select->SetId( aId );

				select->AppendVisualL( aVisual );

				iSelects.AppendL( select );

				}

        }

    else

        {

        }

    TLinearOrder<CFsTextViewerSelect> order( Compare );

    iSelects.Sort( order );

    }

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

// Visualizer

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

CFsTextViewerVisualizer* CFsTextViewerSelectsManager::Visualizer()

    {

    FUNC_LOG;

    return iOwner;

    }

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

// MoveNext

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

TBool CFsTextViewerSelectsManager::MoveNextL( TBool& aChanged )

    {

    FUNC_LOG;

    TBool retVal = EFalse;

    if ( iCurrent >= 0 && iCurrent < iSelects.Count() )

        {

        iSelects[iCurrent]->DeselectL();

        }

    if ( iCurrent < 0 && iSelects.Count() > 0 )

        {

        iCurrent = 0;

        if ( iSelects[0]->IsVisible() )

			{

            retVal = ETrue;

            }

        }

    else if ( iSelects.Count() > 0 ) 

        {

        for ( TInt i = iCurrent + 1; i < iSelects.Count(); ++i )

            {

            if ( iSelects[i]->IsVisible() && !retVal )

                {

                iCurrent = i;

                retVal = ETrue;

                }

            }

        }

    if ( !retVal && iCurrent >= 0 && iCurrent < iSelects.Count() && !iSelects[iCurrent]->IsVisible() )

        {

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

            {

            if ( iSelects[i]->IsVisible() && !retVal )

                {

                iCurrent = i;

                retVal = ETrue;

                }

            }

        }

    if ( iCurrent >= 0 && iCurrent < iSelects.Count() && iSelects[iCurrent]->IsVisible() )

        {

        iSelects[iCurrent]->SelectL();

        }

    aChanged = retVal;

    if ( iCurrent >= 0 

            && iCurrent < iSelects.Count() 

            && iSelects[iCurrent]->GetStartLine() >= iOwner->Navigator()->GetFirstVisible()->iLineNumber + 4 

            && aChanged )

        {

        retVal = EFalse;

        }

    else

        {

        }

    return retVal;

    }

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

// MovePrev

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

TBool CFsTextViewerSelectsManager::MovePrevL( TBool& aChanged )

    {

    FUNC_LOG;

    TBool retVal = EFalse;

    if ( iCurrent >= 0 && iCurrent < iSelects.Count() )

        {

        iSelects[iCurrent]->DeselectL();

        }

    if ( iCurrent < 0 && iSelects.Count() > 0 )

        {

        iCurrent = 0;

        if ( iSelects[0]->IsVisible() )

        	{

            retVal = ETrue;

            }

        }

    else if ( iSelects.Count() > 0 )

        {

        for ( TInt i = iCurrent - 1; i >= 0; --i )

            {

            if ( iSelects[i]->IsVisible() && !retVal )

                {

                iCurrent = i;

                retVal = ETrue;

                }

            }

        }

    if ( !retVal && iCurrent >= 0 && iCurrent < iSelects.Count() && !iSelects[iCurrent]->IsVisible() )

        {

        for ( TInt i = iSelects.Count() - 1; i > iCurrent; --i )

            {

            if ( iSelects[i]->IsVisible() && !retVal )

                {

                iCurrent = i;

                retVal = ETrue;

                }

            }

        }

    if ( iCurrent >= 0 && iCurrent < iSelects.Count() && iSelects[iCurrent]->IsVisible() )

        {

        iSelects[iCurrent]->SelectL();

        }

    if ( iCurrent >= 0 && iCurrent < iSelects.Count() 

            && iSelects[iCurrent]->GetStartLine() <= iOwner->Navigator()->GetLastVisible()->iLineNumber - 4 && aChanged )

        {

        retVal = EFalse;

        }

    else

        {

        }

    aChanged = retVal;

    return retVal;

    }

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

// RemoveVisual

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

void CFsTextViewerSelectsManager::RemoveVisual( TFsRangedVisual* aVisual )

    {

    FUNC_LOG;

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

        {

        iSelects[i]->RemoveVisual( aVisual );

        }

    }

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

// Clicked

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

void CFsTextViewerSelectsManager::ClickedL()

    {

    FUNC_LOG;

    if ( iCurrent >= 0 && iCurrent < iSelects.Count() )

        {

        iSelects[iCurrent]->SelectedL();

        }

    }

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

// IsHotspotHighlighted

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

TBool CFsTextViewerSelectsManager::IsHotspotHighlighted()

    {

    FUNC_LOG;

    TBool retVal = EFalse;

    if ( iCurrent >= 0 && 

            iSelects.Count() > 0 

            && ( iSelects[iCurrent]->GetType() 

                == CFsTextViewerSelect::EFsHotspotType 

            || iSelects[iCurrent]->GetType() 

                == CFsTextViewerSelect::EFsLineType ) )

        {

        retVal = ETrue;

        }

    return retVal;

    }

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

// GetCurrentSelectId

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

TInt CFsTextViewerSelectsManager::GetCurrentSelectId()

    {

    FUNC_LOG;

    TInt retVal = -1;

    if ( iCurrent >= 0 && 

            iSelects.Count() > 0 

            && ( iSelects[iCurrent]->GetType() 

                == CFsTextViewerSelect::EFsHotspotType

            || iSelects[iCurrent]->GetType() 

                == CFsTextViewerSelect::EFsLineType ) )

        {

        retVal = iSelects[iCurrent]->GetId();

        }

    return retVal;

    }

// <cmail>

TInt CFsTextViewerSelectsManager::GetCurrentSelectedIndex()

    {

    return iCurrent;

    }

// </cmail>

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

// DimAll

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

void CFsTextViewerSelectsManager::DimAllL()

    {

    FUNC_LOG;

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

        {

        if ( i != iCurrent 

           && iSelects[i]->GetType() != CFsTextViewerSelect::EFsLineType )

            {

            if ( iSelects[i]->IsVisible() )

                {

                iSelects[i]->DeselectL();

                }

            }

        }

    }

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

// RefreshSelection

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

void CFsTextViewerSelectsManager::RefreshSelectionL()

    {

    FUNC_LOG;

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

        {

        if ( i != iCurrent 

           && iSelects[i]->GetType() != CFsTextViewerSelect::EFsLineType )

            {

            iSelects[i]->DeselectL();

            }

        }

    if ( iCurrent >= 0 )

        {

        iSelects[iCurrent]->SelectL();

        }

    }

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

// SelectL

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

void CFsTextViewerSelectsManager::SelectL( TInt aId )

    {

    FUNC_LOG;

    CFsTextViewerSelect* hotspotFound = NULL;

    TInt arrayIndex = 0;

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

        {

        if ( iSelects[i]->GetId() == aId )

            {

            hotspotFound = iSelects[i];

            arrayIndex = i;

            }

        }

    if ( hotspotFound )

        {

        if ( iCurrent >= 0 )

            {

            iSelects[iCurrent]->DeselectL();

            }       

        iCurrent = arrayIndex;

        if ( iSelects[iCurrent]->IsVisible() )

            {

            iSelects[iCurrent]->SelectL();

            }

        }

    }

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

// SelectByCharL

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

void CFsTextViewerSelectsManager::SelectByCharL( TInt aIndex )

    {

    FUNC_LOG;

    CFsTextViewerSelect* hotspotFound = NULL;

    TInt arrayIndex = 0;

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

        {

        if ( iOwner->Parser()->GetStartIndexOfHotSpotAreaL( iSelects[i]->GetId(), ETrue ) <= aIndex && 

                iOwner->Parser()->GetEndIndexOfHotSpotAreaL( iSelects[i]->GetId(), ETrue ) >= aIndex )

            {

            hotspotFound = iSelects[i];

            arrayIndex = i;

            }

        }

    if ( hotspotFound )

        {

        if ( iCurrent >= 0 )

            {

            iSelects[iCurrent]->DeselectL();

            }       

        iCurrent = arrayIndex;

        if ( iSelects[iCurrent]->IsVisible() )

            {

            iSelects[iCurrent]->SelectL();

            }

        }

    }

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

// SelectByIndexL

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

void CFsTextViewerSelectsManager::SelectByIndexL( TInt aIndex )

    {

    FUNC_LOG;

    if ( aIndex >= 0 && aIndex < iSelects.Count() )

        {

        if ( iCurrent >= 0 && iCurrent < iSelects.Count() )

            {

            if ( iSelects[iCurrent]->IsVisible() )

                {

                iSelects[iCurrent]->DeselectL();

                }

            }

        iCurrent = aIndex;

        if ( iSelects[iCurrent]->IsVisible() )

            {

            iSelects[iCurrent]->SelectL();

            }

        }

    }

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

// GetDisplaySize

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

TSize CFsTextViewerSelectsManager::GetDisplaySize()

    {

    FUNC_LOG;

    return iDisplaySize;

    }

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

// IsCurrentHotspotVisible

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

TBool CFsTextViewerSelectsManager::IsCurrentHotspotVisible()

    {

    FUNC_LOG;

    TBool retVal = EFalse;

    if ( iSelects.Count() > 0 && iCurrent >=0 )

        {

        retVal = iSelects[iCurrent]->IsVisible();

        }

    return retVal;

    }

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

// GetCurrentHotspotLine

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

TInt CFsTextViewerSelectsManager::GetCurrentHotspotLine()

    {

    FUNC_LOG;

    TInt retVal = -1;

    if ( iSelects.Count() > 0 && iCurrent >=0 )

        {

        retVal = iSelects[iCurrent]->GetStartLine();

        }

    return retVal;

    }

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

// HideActionButtonFromCurrentHighlightedHotspot

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

void CFsTextViewerSelectsManager

::HideActionButtonFromCurrentHighlightedHotspot()

    {

    FUNC_LOG;

    if ( iCurrent >= 0 && 

         iSelects.Count() > 0 &&

         iSelects[iCurrent]->GetType() == CFsTextViewerSelect::EFsLineType)

        {        

        static_cast<CFsTextViewerSelectLine*>(iSelects[iCurrent])

            ->HideActionButton();

        }

    }

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

// ShowActionButtonForCurrentHighlightedHotspotL

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

void CFsTextViewerSelectsManager

::ShowActionButtonForCurrentHighlightedHotspotL()

    {

    FUNC_LOG;

    if ( iCurrent >= 0 && 

         iSelects.Count() > 0 &&

         iSelects[iCurrent]->GetType() == CFsTextViewerSelect::EFsLineType)

        {        

        static_cast<CFsTextViewerSelectLine*>

            (iSelects[iCurrent])->ShowActionButtonL();