/*

* Copyright (c) 2004 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of the License "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 CCodView.

*

*/

// INCLUDE FILES

#include <eikrted.h>

#include <txtrich.h>

#include <barsread.h>

#include <AknUtils.h>

#include <AknDef.h>

#include <StringLoader.h>

#include <avkon.rsg>

#include <CodUi.rsg>

#include "CodView.h"

#include "CodLogger.h"

#include <Oma2Agent.h>

#include <AknUtils.h>

#include <AknLayout.cdl.h>

#include "eikon.hrh"

// ================= TYPES =======================

/**

* Mime type to resource id mapping entry.

*/

struct TMimeAndResId

    {

    const TText8* iName;    ///< MIME type.

    TInt iResId;            ///< Resource id.

    };

// ================= CONSTANTS =======================

/// Number of bytes in a kilobyte.

LOCAL_D const TInt KCodKbyte = 1024;

/**

* Null-terminated MIME-to-resId mapping table.

* Order of entries is important (from most specific to most generic), as

* entries are evaluated linearly.

*/

LOCAL_D const TMimeAndResId KCodMimeAndResIds[] =

    {

//      { _S8( "game: no such MIME" ),                  R_QTN_CD_TYPE_GAME },

        { _S8( "application/vnd.nokia.ringing-tone" ),  R_QTN_CD_TYPE_RTONE },

        { _S8( "application/x-nokiaGameData" ),         R_QTN_CD_TYPE_GAME_LEVEL },

        { _S8( "application/vnd.oma.drm" ),             R_QTN_CD_TYPE_NOT_CLASSIFIED },

        { _S8( "application/" ),                        R_QTN_CD_TYPE_APPLICATION },

        { _S8( "image/vnd.nokia.ota-bitmap" ),          R_QTN_CD_TYPE_OPERATOR_LOGO },

        { _S8( "image/vnd.nok-oplogo" ),                R_QTN_CD_TYPE_OPERATOR_LOGO },

        { _S8( "image/vnd.nok-picturemessage" ),        R_QTN_CD_TYPE_PICTURE_MESSAGE },

        { _S8( "image/" ),                              R_QTN_CD_TYPE_IMAGE },

        { _S8( "audio/" ),                              R_QTN_CD_TYPE_SOUND },

        { _S8( "text/X-vCard" ),                        R_QTN_CD_TYPE_VCARD },

        { _S8( "text/" ),                               R_QTN_CD_TYPE_DOCUMENT },

        { _S8( "" ),                                    R_QTN_CD_TYPE_NOT_CLASSIFIED },

        { NULL,                                         0 }

    };

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

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

// CCodView:CCodView()

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

//

CCodView::CCodView()

    {

    }

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

// CCodView:ConstructL()

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

//

void CCodView::ConstructL()

    {

    CreateWindowL();

    TResourceReader rr;

    iCoeEnv->CreateResourceReaderLC( rr, R_COD_UI_RTXED );

    ConstructFromResourceL( rr );

    CleanupStack::PopAndDestroy();  // rr

    }

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

// CCodView:ConstructFromResourceL()

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

//

void CCodView::ConstructFromResourceL( TResourceReader& aReader )

    {

    iEditor = new (ELeave) CEikRichTextEditor();

    iEditor->ConstructFromResourceL( aReader );

    iEditor->SetContainerWindowL( *this );

    CRichText* richText = iEditor->RichText();

    iNameStyle = CParagraphStyle::NewL

        (

        *richText->GlobalParaFormatLayer(),

        *richText->GlobalCharFormatLayer()

        );

    iValueStyle = CParagraphStyle::NewL

        (

        *richText->GlobalParaFormatLayer(),

        *richText->GlobalCharFormatLayer()

        );

    SetStylesL();

    iStyles = CStyleList::NewL();

    RParagraphStyleInfo nameStyleInfo( iNameStyle );

    User::LeaveIfError( iStyles->AppendL( &nameStyleInfo ) );

    RParagraphStyleInfo valueStyleInfo( iValueStyle );

    User::LeaveIfError( iStyles->AppendL( &valueStyleInfo ) );

    richText->SetStyleListExternallyOwned( *iStyles );

    iSbFrame = new (ELeave) CEikScrollBarFrame( this, NULL, ETrue );

    iSbFrame->SetScrollBarVisibilityL

        ( CEikScrollBarFrame::EOff, CEikScrollBarFrame::EAuto );

    iSbFrame->SetTypeOfVScrollBar( CEikScrollBarFrame::EArrowHead );

    }

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

// CCodView::~CCodView()

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

//

CCodView::~CCodView()

    {

    delete iUndefinedValue;

    delete iSbFrame;

    delete iEditor;

    delete iStyles;

    }

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

// CCodView:SetDataL()

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

//

void CCodView::SetDataL( const CCodData& aData, TBool aCod )

    {

    iEditor->RichText()->Reset();

    AddLineL( R_QTN_CD_DETAIL_NAME, aData.Count() > 1 && aData.Name().Length()? aData.Name() : (*aData[aData.ActiveDownload()]).Name() );

    HBufC* buf = AllocTypeNameL( DisplayType( aData ) );

    CleanupStack::PushL( buf );

    AddLineL( R_QTN_CD_DETAIL_TYPE, *buf );

    CleanupStack::PopAndDestroy( buf );

    if ( aCod )

        {

        AddLineL( R_QTN_CD_DETAIL_PRICE, aData.Price() );

        }

    AddLineL( R_QTN_CD_DETAIL_DESCRIPT, aData.Description() );

    // Displaying size requires some extra fiddling with B/kB notation.

    TInt size = aData.Size();

    if ( size >= KCodKbyte )

        {

        // Round up.

        buf = StringLoader::LoadLC

            ( R_QTN_SIZE_KB, (size - 1) / KCodKbyte + 1, iCoeEnv );

        }

    else

        {

        buf = StringLoader::LoadLC( R_QTN_SIZE_B, size, iCoeEnv );

        }

    // R_QTN_SIZE_KB is " %N kB", and R_QTN_SIZE_B is " %N B" (with leading

    // spaces!!!). Obviously this is a system resource which was adjusted to

    // someone's particular "tabulating" needs...

    // So we have to remove leading/trailing spaces.

    buf->Des().Trim();

    AddLineL( R_QTN_CD_DETAIL_SIZE, *buf );

    CleanupStack::PopAndDestroy( buf );

    AddLineL( R_QTN_CD_DETAIL_VENDOR, aData.Vendor() );

    delete iUndefinedValue; // Not needed anymore.

    iUndefinedValue = NULL;

    SizeChanged();

    }

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

// CCodView:Clear()

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

//

void CCodView::Clear()

    {

    iEditor->RichText()->Reset();

    SizeChanged();

    }

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

// CCodView::MinimumSize()

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

//

TSize CCodView::MinimumSize()

    {

    return iEikonEnv->EikAppUi()->ClientRect().Size();

    }

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

// CCodView::SizeChanged()

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

//

void CCodView::SizeChanged()

    {

    if ( OwnsWindow() )

        {

        // View as main control of App UI.

        iEditor->SetRect( Rect() );

        }

    else

        {

        // View in dialog.

        // Dialog sets Rect() so it includes the softkey area.

        TAknLayoutRect editorRect;

        editorRect.LayoutRect

            ( Rect(), AknLayout::main_pane( Rect(), 0, 0, 1 ) );

        iEditor->SetRect( editorRect.Rect() );

        }

    iEditor->DrawNow();

    TRAP_IGNORE( UpdateScrollBarL( /*aTile=*/ETrue ) );

    }

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

// CCodView::CountComponentControls()

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

//

TInt CCodView::CountComponentControls() const

    {

    return iSbFrame->CountComponentControls() + 1;

    }

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

// CCodView::ComponentControl()

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

//

CCoeControl* CCodView::ComponentControl( TInt aIndex ) const

    {

    if ( aIndex == 0 )

        {

        return iEditor;

        }

    else

        {

        return iSbFrame->ComponentControl( aIndex - 1 );

        }

    }

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

// CCodView::OfferKeyEventL()

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

//

TKeyResponse CCodView::OfferKeyEventL

( const TKeyEvent& aKeyEvent, TEventCode aType )

    {

    TKeyResponse response = EKeyWasNotConsumed;

    switch ( aKeyEvent.iCode )

        {

        case EKeyLeftUpArrow:     // Northwest

        case EStdKeyDevice10:     //   : Extra KeyEvent supports diagonal event simulator wedge

        case EKeyUpArrow:         // North

        case EKeyRightUpArrow:    // Northeast

        case EStdKeyDevice11:     //   : Extra KeyEvent supports diagonal event simulator wedge

            {

            ScrollUpL();

            response = EKeyWasConsumed;

            break;

            }

        case EKeyLeftDownArrow:   // Southwest

        case EStdKeyDevice13:     //   : Extra KeyEvent supports diagonal event simulator wedge

        case EKeyDownArrow:       // South

        case EKeyRightDownArrow:  // Southeast

        case EStdKeyDevice12:     //   : Extra KeyEvent supports diagonal event simulator wedge

            {

            ScrollDownL();

            response = EKeyWasConsumed;

            break;

            }

        default:

            {

            response = iEditor->OfferKeyEventL( aKeyEvent, aType );

            break;

            }

        }

    return response;

    }

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

// CCodView::Draw()

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

//

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

    {

    SystemGc().Clear( aRect );

    }

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

// CCodView::HandleResourceChange()

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

//

void CCodView::HandleResourceChange( TInt aType )

    {

    CCoeControl::HandleResourceChange( aType );

    if ( aType == KEikDynamicLayoutVariantSwitch )

        {

        TRAP_IGNORE( SetStylesL() );    // Fontspec might have changed.

        SizeChanged();                  // Relayout.

        }

    }

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

// CCodView::SetStylesL()

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

//

void CCodView::SetStylesL()

    {

    TCharFormat charFormat;

    TCharFormatMask charFormatMask;

    charFormat.iFontPresentation.iTextColor = KRgbBlack;

    charFormatMask.SetAttrib( EAttFontTypeface );

    charFormatMask.SetAttrib( EAttFontHeight );

    charFormatMask.SetAttrib( EAttColor );

    charFormat.iFontSpec = AknLayoutUtils::FontFromId

        ( EAknLogicalFontPrimaryFont )->FontSpecInTwips();

    iNameStyle->CharFormatLayer()->SetL( charFormat, charFormatMask );

    charFormat.iFontSpec = AknLayoutUtils::FontFromId

        ( EAknLogicalFontSecondaryFont )->FontSpecInTwips();

    iValueStyle->CharFormatLayer()->SetL( charFormat, charFormatMask );

    }

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

// CCodView:AddLineL()

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

//

void CCodView::AddLineL( TInt aNameResId, const TDesC& aValue )

    {

    TPtrC value( aValue );

    if ( !value.Length() )

        {

        // Empty value. Show "undefined".

        if ( !iUndefinedValue )

            {

            // Not yet loaded, do it now. Subsequent calls will reuse

            // this buffer, so it is not loaded more than once.

            // After all lines are added, the buffer is deleted

            // (in SetDataL()), to spare memory.

            iUndefinedValue = iCoeEnv->AllocReadResourceL

                ( R_QTN_CD_VALUE_UNDEFINED );

            }

        value.Set( *iUndefinedValue );

        }

    CRichText* richText = iEditor->RichText();

    TInt start = richText->DocumentLength();

    if ( start )

        {

        // This is not the first line. End previous paragraph.

        richText->InsertL( start, CEditableText::EParagraphDelimiter );

        }

    HBufC* name = iCoeEnv->AllocReadResourceLC( aNameResId );

    start = richText->DocumentLength();

    richText->InsertL( start, *name );

    TInt end = richText->DocumentLength();

    richText->ApplyParagraphStyleL

        (

        *iStyles->At( 0 ).iStyle,

        start,

        end - start,

        CParagraphStyle::ERetainNoSpecificFormats

        );

    richText->InsertL( end, CEditableText::EParagraphDelimiter );

    CleanupStack::PopAndDestroy( name );

    start = richText->DocumentLength();

    richText->InsertL( start, value );

    end = richText->DocumentLength();

    richText->ApplyParagraphStyleL

        (

        *iStyles->At( 1 ).iStyle,

        start,

        end - start,

        CParagraphStyle::ERetainNoSpecificFormats

        );

    // Paragraph delimiter is not added - next call will do it.

    // This avoids an extra empty line (after the last).

    }

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

// CCodView::UpdateScrollBarL

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

//

void CCodView::UpdateScrollBarL( TBool aTile )

    {

    CTextLayout* textLayout = iEditor->TextLayout();

    if ( textLayout->IsBackgroundFormatting() )

        {

        return;

        }

    TRect viewRect( iEditor->TextView()->ViewRect() );

    TEikScrollBarModel vSbModel;

    vSbModel.iThumbPosition = textLayout->PixelsAboveBand();

    vSbModel.iScrollSpan =

        textLayout->FormattedHeightInPixels() - viewRect.Height();

    vSbModel.iThumbSpan = 1;

    CLOG(( \

        5, \

        _L("rectHeight(%d) viewRectHeigh(%d) pixelsAboveBand(%d) formattedHeight(%d)"), \

        Rect().Height(), \

        viewRect.Height(), \

        textLayout->PixelsAboveBand(), \

        textLayout->FormattedHeightInPixels() \

    ));

    if ( vSbModel.iScrollSpan <= 0 )

        {

        vSbModel.iThumbPosition = 0;

        vSbModel.iScrollSpan = 0;

        }

    if ( aTile )

        {

        TEikScrollBarFrameLayout layout;

        TEikScrollBarModel hSbModel;

        iSbFrame->TileL

            ( &hSbModel, &vSbModel, viewRect, viewRect, layout );

        }

    iSbFrame->MoveVertThumbTo( vSbModel.iThumbPosition );

    }

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

// CCodView::AllocTypeNameL

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

//

HBufC* CCodView::AllocTypeNameL( const TDesC8& aMimeType )

    {

    const TMimeAndResId* mapping;

    TInt resId = R_QTN_CD_VALUE_UNDEFINED;

    for ( mapping = &KCodMimeAndResIds[0]; mapping->iName; mapping++ )

        {

        TPtrC8 name( mapping->iName );

        // Looking for partial match (leftmost part of aMimeType is compared

        // to mapping->iName).

        if ( name.Length() <= aMimeType.Length() )

            {

            if ( aMimeType.Left( name.Length() ).CompareF( name ) == 0 )

                {

                resId = mapping->iResId;

                break;

                }

            }

        }

    return StringLoader::LoadL( resId, iCoeEnv );

    }

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

// CCodView::ScrollUpL

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

//

void CCodView::ScrollUpL()

    {

    CTextLayout* textLayout = iEditor->TextLayout();

    if ( !textLayout->IsBackgroundFormatting() )

        {

        if ( textLayout->PixelsAboveBand() > 0 )

            {

            iEditor->MoveDisplayL( TCursorPosition::EFLineUp );

            UpdateScrollBarL( /*aTile=*/EFalse );

            }

        }

    }

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

// CCodView::ScrollDownL

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

//

void CCodView::ScrollDownL()

    {

    CTextLayout* textLayout = iEditor->TextLayout();

    if ( !textLayout->IsBackgroundFormatting() )

        {

        TRect viewRect( iEditor->TextView()->ViewRect() );

        if ( textLayout->FormattedHeightInPixels() -

             textLayout->PixelsAboveBand() - viewRect.Height() > 0 )

            {

            iEditor->MoveDisplayL( TCursorPosition::EFLineDown );

            UpdateScrollBarL( /*aTile=*/EFalse );

            }

        }

    }

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

// CCodView::DisplayType

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

//

TPtrC8 CCodView::DisplayType( const CCodData& aData )

    {

    for ( TInt i = 0; i < (*aData[aData.ActiveDownload()]).Types().MdcaCount(); i++ )

        {

        TPtrC8 type( (*aData[aData.ActiveDownload()]).Types().MdcaPoint( i ) );

        if (

            type.Compare( KOma1DrmMessageContentType ) &&

            type.Compare( KOma1XmlRoContentType ) &&

            type.Compare( KOma1WbxmlRoContentType ) &&

            type.Compare( KOma2RoContentType ) &&

            type.Compare( KOma2TriggerContentType ) &&

            type.Compare( KOma1DcfContentType ) &&

            type.Compare( KOma2DcfContentType ) &&

            type.Compare( KOmaImportContentType )