/*

* Copyright (c)  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:  Implementation of class CFsTextViewer

*

*/

//<cmail> removed __FS_ALFRED_SUPPORT flag

//#include <fsconfig.h>

//</cmail> removed __FS_ALFRED_SUPPORT flag

// <cmail> SF

#include "emailtrace.h"

#include <alf/alfbrush.h>

#include <alf/alfimagebrush.h>

#include <alf/alfgradientbrush.h>

// </cmail>

#include "fstextviewer.h"

#include "fstextviewercontrol.h"

#include "fstextviewervisualizer.h"

#include "fstextviewerkeys.h"

#include "fstextviewervisualizersettings.h"

#include "fstextviewervisualizerdata.h"

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

// NewL

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

EXPORT_C CFsTextViewer* CFsTextViewer::NewL ( CAlfEnv& aEnv )

    {

    FUNC_LOG;

    CFsTextViewer* self = new ( ELeave ) CFsTextViewer( aEnv );

    CleanupStack::PushL( self );

    self->ConstructL( aEnv );

    CleanupStack::Pop( self );

    return self;

    }

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

// ~CFsTextViewer

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

EXPORT_C CFsTextViewer::~CFsTextViewer()

    {

    FUNC_LOG;

    delete iControl->Keys();

    delete iVisualizer;

    iVisualizer = NULL;

    for ( TInt i = 0; i < iSettings->iPartBgs.Count(); ++i )

        {

        delete iSettings->iPartBgs[i].iBrush;

        }

    delete iSettings;

    iSettings = NULL;

    }

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

// GetControl

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

EXPORT_C CAlfControl* CFsTextViewer::GetControl() const

    {

    FUNC_LOG;

    return static_cast< CAlfControl* >( iControl );

    }

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

// SetText

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

EXPORT_C void CFsTextViewer::SetTextL( 

        CFsRichText* aText, 

        CFsSmileyDictionary* aSmDict )

    {

    FUNC_LOG;

    if ( iVisualizer )

        {

        delete iVisualizer;

        iVisualizer = NULL;

        }

    iVisualizer = CFsTextViewerVisualizer::NewL( 

            *iControl, 

            aText, 

            aSmDict, 

            iSettings );

    if ( iBackColorSet )

        {

        iVisualizer->SetBackgroundColorL( iColor );

        }

    if ( iTexture )

        {

        iVisualizer->SetBackgroundImageL( *iTexture );

        }

    iVisualizer->RefreshPartBgsL();

    iControl->SetVisualizer( iVisualizer );

    }

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

// Show

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

EXPORT_C void CFsTextViewer::Show()

    {

    FUNC_LOG;

    }

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

// Hide

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

EXPORT_C void CFsTextViewer::Hide()

    {

    FUNC_LOG;

    }

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

// SetObserver

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

EXPORT_C void CFsTextViewer::SetObserver( MFsTextViewerObserver* aObserver )

    {

    FUNC_LOG;

    iControl->SetObserver( aObserver );

    }

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

// SetScrollOffsetInPx

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

EXPORT_C void CFsTextViewer::SetScrollOffsetInPx( TInt aPxOffset )

    {

    FUNC_LOG;

    iVisualizer->SetScrollOffsetInPx( aPxOffset );

    }

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

// SetScrollOffsetInLines

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

EXPORT_C void CFsTextViewer::SetScrollOffsetInLines( TInt aLineOffset )

    {

    FUNC_LOG;

    iVisualizer->SetScrollOffsetInLines( aLineOffset );

    }

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

// SetSmileySize

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

EXPORT_C void CFsTextViewer::SetSmileySize( TSize aSize )

    {

    FUNC_LOG;

    iVisualizer->SetSmileySize( aSize );

    }

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

// SetScrollDelay

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

EXPORT_C void CFsTextViewer::SetScrollDelay( TInt aDelay )

    {

    FUNC_LOG;

    iVisualizer->SetScrollDelay( aDelay );

    }

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

// SetCursorDelay

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

EXPORT_C void CFsTextViewer::SetCursorDelay( TInt aDelay )

    {

    FUNC_LOG;

    iVisualizer->SetCursorDelay( aDelay );

    }

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

// EnableSmileys

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

EXPORT_C void CFsTextViewer::EnableSmileys( TBool aStatus )

    {

    FUNC_LOG;

    if ( iVisualizer )

        {

        iVisualizer->EnableSmileys( aStatus );

        }

    }

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

// Smileys

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

EXPORT_C TBool CFsTextViewer::Smileys()

    {

    FUNC_LOG;

    TBool retVal = ETrue;

    if ( iVisualizer )

        {

        retVal = iVisualizer->SmileysEnabled();

        }

    return retVal;

    }

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

// ReloadTextL

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

EXPORT_C void CFsTextViewer::ReloadTextL()

    {

    FUNC_LOG;

    if ( iVisualizer )

        {

        iVisualizer->ReloadL();

        }

    }

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

// GetCurrentHotspotL

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

EXPORT_C void CFsTextViewer::GetCurrentHotspotL( TInt& aBegin, TInt& aEnd )

    {

    FUNC_LOG;

    iVisualizer->GetHotspotRangeL( aBegin, aEnd );

    }

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

// GetMarkedArea

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

EXPORT_C void CFsTextViewer::GetMarkedArea( TInt& aBegin, TInt& aEnd )

    {

    FUNC_LOG;

    iVisualizer->GetMarkedRange( aBegin, aEnd );

    }

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

// EnableCursorUpDown

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

EXPORT_C void CFsTextViewer::EnableCursorUpDown( TBool aStatus )

    {

    FUNC_LOG;

    iControl->EnableCursorScroll( aStatus );

    }

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

// CursorUpDown

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

EXPORT_C TBool CFsTextViewer::CursorUpDown()

    {

    FUNC_LOG;

    return iControl->CursorScroll();

    }

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

// CFsTextViewer

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

EXPORT_C void CFsTextViewer::SetCustomKeys( CFsTextViewerKeys* aKeys )

    {

    FUNC_LOG;

    if ( iControl )

        {

        if ( aKeys != iControl->Keys() )

            {

            CFsTextViewerKeys* keys = NULL;

            keys = iControl->Keys();

            delete keys;

            keys = NULL;

            }

        iControl->SetKeys( aKeys );

        }

    }

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

// Keys

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

EXPORT_C CFsTextViewerKeys* CFsTextViewer::Keys()

    {

    FUNC_LOG;

    CFsTextViewerKeys* retVal = NULL;

    if ( iControl )

        {

        retVal = iControl->Keys();

        }

    return retVal;

    }

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

// SetWatermark

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

EXPORT_C void CFsTextViewer::SetWatermarkL( 

        CFsTextViewerWatermark* aWatermark )

    {

    FUNC_LOG;

    iWatermark = aWatermark;

    if ( iVisualizer )

        {

        iVisualizer->SetWatermarkL( iWatermark );

        }

    }

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

// RootLayout

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

EXPORT_C CAlfLayout* CFsTextViewer::RootLayout()

    {

    FUNC_LOG;

    CAlfLayout* retVal = NULL;

    if ( iVisualizer )

        {

        retVal = iVisualizer->RootLayout();

        }

    return retVal;

    }

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

// SetBackgroundColor

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

EXPORT_C void CFsTextViewer::SetBackgroundColorL( const TRgb& aColor )

    {

    FUNC_LOG;

    iColor = aColor;

    iBackColorSet = ETrue;

    if ( iVisualizer )

        {

        iVisualizer->SetBackgroundColorL( iColor );

        }

    }

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

// SetBackgroundImage

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

EXPORT_C void CFsTextViewer::SetBackgroundImageL( CAlfTexture& aTexture )

    {

    FUNC_LOG;

    iTexture = &aTexture;

    if ( iVisualizer )

        {

        iVisualizer->SetBackgroundImageL( *iTexture );

        }

    }

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

// SetBackgroundOpacity

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

EXPORT_C void CFsTextViewer::SetBackgroundOpacity( const TAlfTimedValue& aOpacity )

    {

    FUNC_LOG;

    iSettings->iBackgroundOpacity = aOpacity;

    if ( iVisualizer )

        {

        iVisualizer->SetBackgroundOpacity();

        }

    }

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

// BackgroundOpacity

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

EXPORT_C const TAlfTimedValue& CFsTextViewer::BackgroundOpacity() const 

    {

    FUNC_LOG;

    return iSettings->iBackgroundOpacity;

    }

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

// SetPartBgColor

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

EXPORT_C void CFsTextViewer::SetPartBgColorL( 

        TInt aStartChar, 

        TInt aEndChar, 

        const TRgb& aColor )

    {

    FUNC_LOG;

    TFsPartBg background;

    background.iBrush = CAlfGradientBrush::NewL(iControl->Env());

    static_cast<CAlfGradientBrush*>( background.iBrush )->SetColor( aColor );

    background.iStart = aStartChar;

    background.iEnd = aEndChar;

    iSettings->iPartBgs.AppendL( background );

    if ( iVisualizer )

        {

        iVisualizer->RefreshPartBgsL();

        }

    }

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

// SetPartBgImage

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

EXPORT_C void CFsTextViewer::SetPartBgImageL( TInt aStartChar, TInt aEndChar, 

                                                CAlfTexture& aTexture )

    {

    FUNC_LOG;

    TFsPartBg background;

    background.iBrush = CAlfImageBrush::NewL( iControl->Env(),TAlfImage( aTexture ) );

    background.iStart = aStartChar;

    background.iEnd = aEndChar;

    iSettings->iPartBgs.AppendL( background );

    if ( iVisualizer )

        {

        iVisualizer->RefreshPartBgsL();

        }

    }

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

// SetLiteLineBg

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

EXPORT_C void CFsTextViewer::SetLiteLineBg( 

        CAlfTexture& aTexture, 

        TReal32 aOpacity )

    {

    FUNC_LOG;

    iSettings->iHighlightLine = &aTexture;

    iSettings->iHighlightLineOpacity = aOpacity;

    }

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

// SetActionButton

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

EXPORT_C void CFsTextViewer::SetActionButton( 

        CAlfTexture& aTexture, 

        TReal32 aOpacity )

    {

    FUNC_LOG;

    iSettings->iActionButton = &aTexture;

    iSettings->iActionButtonOpacity = aOpacity;

    }

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

// SetActionButtonMargin

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

EXPORT_C void CFsTextViewer::SetActionButtonMargin( TReal32 aMargin )

    {

    FUNC_LOG;

    iSettings->iActionButtonMargin = aMargin;

    }

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

// SetActionButtonSize

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

EXPORT_C void CFsTextViewer::SetActionButtonSize( 

        TReal32 aWidth, 

        TReal32 aHeight )

    {

    FUNC_LOG;

    iSettings->iActionButtonWidth = aWidth;

    iSettings->iActionButtonHeight = aHeight;

    }

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

// CFsTextViewer

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

EXPORT_C void CFsTextViewer::SetMirroring( TBool aEnable )

    {

    FUNC_LOG;

    iSettings->iMirroring = aEnable;

    }

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

// GetTotalLines

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

EXPORT_C TInt CFsTextViewer::GetTotalLines()

    {

    FUNC_LOG;

    return iVisualizer->iTotalLines;

    }

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

// GetFirstDisplayedLine

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

EXPORT_C TInt CFsTextViewer::GetFirstDisplayedLine()

    {

    FUNC_LOG;

    TInt retVal = 0;

    if ( iVisualizer->Navigator()->GetLastVisible() )

        {

        retVal = iVisualizer->Navigator()->GetFirstVisible()->iLineNumber;

        }

    return retVal;

    }

// <cmail>

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

// GetLineOffset - get offset of first char in the line (line offset)

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

EXPORT_C TInt CFsTextViewer::GetFirstCharInLine(TInt aLineNum)

    {

    FUNC_LOG;

    return iVisualizer->Navigator()->GetFirstCharInLine(aLineNum);

    }

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

// GetCharLineNumber - get the line number for the given line offset

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

EXPORT_C TInt CFsTextViewer::GetLineNumber(TInt aChar)

    {

    FUNC_LOG;

    return iVisualizer->Navigator()->GetCharLineNumber(aChar);

    }

// </cmail>

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

// GetLastDisplayedLine

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

EXPORT_C TInt CFsTextViewer::GetLastDisplayedLine()

    {

    FUNC_LOG;

    TInt retVal = 0;

    if ( iVisualizer->Navigator()->GetLastVisible() )

        {

        retVal = iVisualizer->Navigator()->GetLastVisible()->iLineNumber + 1;

        }

    return retVal;

    }

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

// RemoveEndLines

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

EXPORT_C void CFsTextViewer::RemoveEndLinesL( TInt aLines )

    {

    FUNC_LOG;