/*

* 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:  Whole line highlight class

*

*/

//<cmail> removed __FS_ALFRED_SUPPORT flag

//#include <fsconfig.h>

//</cmail> removed __FS_ALFRED_SUPPORT flag

// <cmail> SF

#include "emailtrace.h"

#include <alf/alfimagevisual.h>

#include <alf/alftextvisual.h>

#include <alf/alfgradientbrush.h>

#include <alf/alfimage.h>

// </cmail>

#include <aknnotewrappers.h>

#include "fstextviewerselectline.h"

#include "fstextviewervisualizer.h"

#include "fstextviewervisualizerdata.h"

#include "fstextviewerselectsmanager.h"

#include "fstextviewervisualizersettings.h"

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

// NewL

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

CFsTextViewerSelectLine* CFsTextViewerSelectLine::NewL( 

        CFsTextViewerSelectsManager* aManager )

     {

    FUNC_LOG;

     CFsTextViewerSelectLine* self = 

         new (ELeave) CFsTextViewerSelectLine( aManager );

     CleanupStack::PushL( self );

     self->ConstructL();

     CleanupStack::Pop( self );

     return self;

     }

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

// SelectL

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

void CFsTextViewerSelectLine::SelectL()

    {

    FUNC_LOG;

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

        {

        if ( !iVisuals[i]->iVisual )

            {

            return;

            }

        }

    if(!iIsShown)

        {

        iIsShown = ETrue;

        TRect target = TRect( 0, 0, 0, 0 );

        TInt targetLine = 0;

        if ( iVisuals.Count() > 0 )

            {

            if ( iVisuals[0]->iIsText )

                {

//                CAlfTextVisual* tmp = static_cast<CAlfTextVisual*>( iVisuals[0]->iVisual );

                target = iVisuals[0]->iRect;

//                target.SetSize( tmp->TextExtents() );

                }

            else

                {

                target = iVisuals[0]->iRect;

                }

            targetLine = 

                iManager->Visualizer()->Navigator()

                ->GetRangedVisual(iVisuals[0]->iVisual)->iLineNumber;

            }

        TRect visual;

        TInt visualLine;

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

            {

            if ( iVisuals[i]->iIsText )

                {

//                CAlfTextVisual* tmp = static_cast<CAlfTextVisual*>( iVisuals[i]->iVisual );

                visual = iVisuals[i]->iRect;

//                visual.SetSize( tmp->TextExtents() );

                }

            else

                {

                visual = iVisuals[i]->iRect;

                }

            visualLine = iVisuals[i]->iLineNumber;

            if( targetLine != visualLine )

                {

                CAlfImageVisual* highlightLine;

                highlightLine = CAlfImageVisual::AddNewL( 

                        *iManager->iControl, 

                        iManager->Visualizer()->BackgroundLayout() );

                highlightLine->SetFlag( EAlfVisualFlagManualLayout );

                highlightLine->SetScaleMode( CAlfImageVisual::EScaleFit );

                highlightLine->SetImage( 

                        TAlfImage( *iManager->iHighlightLine ) );

                highlightLine->SetRect( target );

                highlightLine->SetOpacity( 

                        iManager->iHighlightLineOpacity );

                TFsPartBgVisual toAdd;

                toAdd.iVisual = highlightLine;

                toAdd.iRect = target;

                iManager->Visualizer()->Navigator()->AppendBgL( toAdd );

                iHighlightLines.Append(highlightLine); 

                target = visual;

                targetLine = visualLine; 

                }

            else

                {

                if ( target.iTl.iX > visual.iTl.iX )

                    {

                    target.iTl.iX = visual.iTl.iX;

                    }

                if ( target.iBr.iX < visual.iBr.iX )

                    {

                    target.iBr.iX = visual.iBr.iX;

                    }

                if(target.iTl.iY > visual.iTl.iY)

                    {

                    target.iTl.iY = visual.iTl.iY;

                    }

                if(target.iBr.iY < visual.iBr.iY)

                    {

                    target.iBr.iY = visual.iBr.iY;

                    }

                }

            if(i == (iVisuals.Count() - 1))

                {

                CAlfImageVisual* highlightLine;

                highlightLine = CAlfImageVisual::AddNewL( 

                        *iManager->iControl, 

                        iManager->Visualizer()->BackgroundLayout() );

                highlightLine->SetFlag( EAlfVisualFlagManualLayout );

                highlightLine->SetScaleMode( CAlfImageVisual::EScaleFit );

                highlightLine->SetImage( 

                        TAlfImage( *iManager->iHighlightLine ) );

                highlightLine->SetRect( target );

                highlightLine->SetOpacity( 

                        iManager->iHighlightLineOpacity );

                TFsPartBgVisual toAdd;

                toAdd.iVisual = highlightLine;

                toAdd.iRect = target;

                iManager->Visualizer()->Navigator()->AppendBgL( toAdd );

                iHighlightLines.Append( highlightLine ); 

                }

            }

        if( iIsActionButton && !iActionButton && iVisuals.Count() > 0)

            {     

            TAlfTimedPoint highlightedLineSize = iHighlightLines[0]->Size();

            TAlfTimedPoint highlightedLinePos = iHighlightLines[0]->Pos();

            TInt actionButtonWidth = iManager->Visualizer()->iSettings->iActionButtonWidth;

            TInt actionButtonHeight = iManager->Visualizer()->iSettings->iActionButtonHeight;

            TInt actionButtonMargin = iManager->Visualizer()->iSettings->iActionButtonMargin;

            // Width of the actual text content area (without scroll bar)

            TInt contentWidth = iManager->Visualizer()->iContentSize.iWidth + 

                                iManager->Visualizer()->iSettings->iLeftMargin + 

                                iManager->Visualizer()->iSettings->iRightMargin;

            // If the width of the whole main pane is more than the width of

            // the actual content area, it means that scroll bar is visible.

            // In that case we don't need to leave any extra margin for the

            // action button, because the scroll bar has some margin already.

            // This way the button overlaps the text bit less in long lines.

            if( iManager->Visualizer()->iDisplaySize.iWidth > contentWidth )

                {

                actionButtonMargin = 0;

                }

            TInt yTranslate = (highlightedLineSize.Target().iY - actionButtonHeight) / 2;

            if(iManager->Visualizer()->iSettings->iMirroring)

                {   

                target.iTl.iX = actionButtonMargin;                

                target.iTl.iY = highlightedLinePos.Target().iY + yTranslate;

                target.iBr.iX = target.iTl.iX + actionButtonWidth;

                target.iBr.iY = target.iTl.iY + actionButtonHeight;

                }

            else

                {

                target.iTl.iX = contentWidth - actionButtonMargin - actionButtonWidth;

                target.iTl.iY = highlightedLinePos.Target().iY + yTranslate;

                target.iBr.iX = target.iTl.iX + actionButtonWidth;

                target.iBr.iY =target.iTl.iY + actionButtonHeight;

                }

            TFsPartBgVisual toAdd;

            iActionButton = CAlfImageVisual::AddNewL( 

                    *iManager->iControl, 

                    iManager->Visualizer()->BackgroundLayout() );

            iActionButton->SetScaleMode( CAlfImageVisual::EScaleFit );

            iActionButton->SetImage( TAlfImage( *iManager->iActionButton ) );

            iActionButton->SetRect( target );

            iActionButton->SetOpacity( iManager->iActionButtonOpacity );

/*

            if(iManager->Visualizer()->iSettings->iMirroring)

                {

                iActionButton->SetTurnAngle(180);

                }

*/

            toAdd.iVisual = iActionButton;

            toAdd.iRect = target;

            iManager->Visualizer()->Navigator()->AppendBgL( toAdd );

            }

        }

    }

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

// Deselect

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

void CFsTextViewerSelectLine::DeselectL()

    {

    FUNC_LOG;

    TInt ala = iHighlightLines.Count();

    for( TInt i = iHighlightLines.Count() - 1 ; i >= 0 ; --i )

        {

        if ( iManager->Visualizer()->Navigator()

                ->RemoveBg( iHighlightLines[i] ) )

            {

            iHighlightLines[i]->RemoveAndDestroyAllD();

            }

        iHighlightLines[i] = NULL;

        iHighlightLines.Remove(i);

        }

    iIsShown = EFalse;

    if ( iActionButton )

        {

        if(iManager->Visualizer()->Navigator()->RemoveBg( iActionButton ))

            {

            iActionButton->RemoveAndDestroyAllD();

            }

        iActionButton = NULL;

        }

    }

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

// SelectedL

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

void CFsTextViewerSelectLine::SelectedL()

    {

    FUNC_LOG;

    }

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

// HideActionButton

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

void CFsTextViewerSelectLine::HideActionButton()

    {

    FUNC_LOG;

    if ( iActionButton )

        {

        if(iManager->Visualizer()->Navigator()->RemoveBg( iActionButton ))

            {

            iActionButton->RemoveAndDestroyAllD();

            }

        iActionButton = NULL;

        }

    iIsActionButton = EFalse;

    }

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

// ShowActionButtonL

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

void CFsTextViewerSelectLine::ShowActionButtonL()

    {

    FUNC_LOG;

    if(!iIsActionButton && iVisuals.Count() > 0 && !iActionButton )

        {

        iIsActionButton = ETrue;

        TInt pxTranslation = 10;    

        TRect target = TRect( 0, 0, 0, 0 );

        if(iManager->Visualizer()->iSettings->iMirroring)

            {

            target = iVisuals[0]->iVisual->DisplayRectTarget();

            target.iBr.iX = target.iTl.iX + pxTranslation;

            target.iTl.iX -= pxTranslation; 

            }

        else 

            {

            target = iVisuals[iVisuals.Count() - 1]->iVisual->DisplayRectTarget();

            target.iTl.iX = target.iBr.iX - pxTranslation;

            target.iBr.iX += pxTranslation;   

            }

        TFsPartBgVisual toAdd;

        iActionButton = CAlfImageVisual::AddNewL( 

                    *iManager->iControl, 

                    iManager->Visualizer()->BackgroundLayout() );

        iActionButton->SetScaleMode( CAlfImageVisual::EScaleFit );

        iActionButton->SetImage( TAlfImage( *iManager->iActionButton ) );

        iActionButton->SetRect( target );

        iActionButton->SetOpacity( iManager->iActionButtonOpacity );

/*

        if(iManager->Visualizer()->iSettings->iMirroring)

            {

            iActionButton->SetTurnAngle(180);

            }

*/

        toAdd.iVisual = iActionButton;

        toAdd.iRect = target;

        iManager->Visualizer()->Navigator()->AppendBgL( toAdd );

        }

    }

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

// ~CFsTextViewerSelectLine

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

CFsTextViewerSelectLine::~CFsTextViewerSelectLine()

    {

    FUNC_LOG;

    for(TInt i = iHighlightLines.Count() - 1 ; i >= 0 ; --i)

        {

        iHighlightLines[i]->RemoveAndDestroyAllD();

        iHighlightLines[i] = NULL;

        iHighlightLines.Remove(i);

        }

    iHighlightLines.Close();

    }

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

// CFsTextViewerSelectLine

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

CFsTextViewerSelectLine::CFsTextViewerSelectLine( 

        CFsTextViewerSelectsManager* aManager ) 

    {

    FUNC_LOG;

    iManager = aManager;

    iType = EFsLineType;

    iActionButton = NULL;

    iIsShown = EFalse;

    iIsActionButton = ETrue;

    }