/*

* Copyright (c) 2009 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 "HgPopupDrawer.h"

#include "HgConstants.h"

#include <gdi.h>

#include <AknUtils.h>

#include <AknsDrawUtils.h>

#include <bitstd.h>

#include <skinlayout.cdl.h>

#include <layoutmetadata.cdl.h>

#include <aknlayoutscalable_avkon.cdl.h>

#include <aknlayoutscalable_apps.cdl.h>

THgPopupDrawer::THgPopupDrawer()

  : iRect(),

    iFont (NULL),

    iLongestMonth(0)

    {

    }

void THgPopupDrawer::Init(  TRect aRect, const CFont* aFont )

    {

    iRect = aRect;

    iFont = aFont;

    iLongestMonth = 0;

    }

void THgPopupDrawer::InitLongestMonth()

    {

    // font needs to be set

    if(!iFont) return;

    TTime time;

    time.HomeTime();

    TDateTime date = time.DateTime();

    date.SetMonth(EJanuary);

    time = date;

    TFileName month;

    month.Zero();

    for(TInt i = 0; i < 12; ++i)

        {

        TRAP_IGNORE

            (

            time.FormatL(month, KGanesMonthString);

            )

        time += TTimeIntervalMonths(1);

        TInt monthLen = iFont->TextWidthInPixels(month); 

        iLongestMonth = monthLen > iLongestMonth ? monthLen : iLongestMonth;

        }

    }

void THgPopupDrawer::Draw( CWindowGc& aGc, const TDesC& aDesc )

    {

    // font needs to be set

    if(!iFont) return;

    // Resolve rect for the popup "window"

    const TInt textLength = iFont->TextWidthInPixels( aDesc );

    TInt width = iRect.Width()/KPopupWidthDiv > textLength + KPopupTextExtraPadding ? 

        iRect.Width()/KPopupWidthDiv : textLength + KPopupTextExtraPadding;

    TInt height = (iFont->FontMaxHeight() * 2);

    // calculate the position of the popup

    TPoint pos(((iRect.Width() - width )/2), (iRect.Height() - height)/2);

    TRect area( pos, TSize( width, height) );

    // First draw background box, after that the text

    DrawBackground(aGc, area);

    InitFont(aGc);

    // Draw Text

    TPoint point( area.iTl );

    point.iY += iFont->FontMaxAscent() + ((area.Height() - iFont->FontMaxHeight()) / 2);

    TRAP_IGNORE(

            TBidiText* text = TBidiText::NewL( aDesc, 1 );

            text->WrapText(area.Width(), *iFont, NULL);

            if(text->Directionality() == TBidiText::ELeftToRight ) 

                {

                point.iX += (area.Width() - textLength)/2;

                }

            else

                {

                point.iX -= (area.Width() - textLength)/2;

                }

            text->DrawText( aGc, point );

            delete text;

        )

    }

void THgPopupDrawer::DrawNaviChar( CWindowGc& aGc, const TDesC& aDesc )

    {

    TRgb normal;

    AknsUtils::GetCachedColor(AknsUtils::SkinInstance(), 

            normal, 

            KAknsIIDQsnTextColors, 

            EAknsCIQsnTextColorsCG6 );

    TAknLayoutRect layout;

    layout.LayoutRect(iRect, AknLayoutScalable_Apps::popup_navstr_preview_pane(0));

    DrawBackground( aGc, layout.Rect() );

    TAknLayoutText textLayout;

    textLayout.LayoutText(layout.Rect(), AknLayoutScalable_Apps::popup_navstr_preview_pane_t1(0).LayoutLine());

    textLayout.DrawText(aGc, aDesc, ETrue, normal );

    }

void THgPopupDrawer::Draw( CWindowGc& aGc, 

        const TDesC& aDesc1,

        const TDesC& aDesc2

        )

    {

    // font needs to be set

    if(!iFont) return;

    // init longest month value.

    if(!iLongestMonth)

        InitLongestMonth();

    // Resolve rect for the popup "window"

    TInt d1Length = iFont->TextWidthInPixels( aDesc1 );

    TInt d2Length = iFont->TextWidthInPixels( aDesc2 );

    // Calculate the dimensions

    TInt width = iRect.Width()/KPopupWidthDiv > iLongestMonth + KPopupTextExtraPadding ? 

        iRect.Width()/KPopupWidthDiv : iLongestMonth + KPopupTextExtraPadding;

    TInt height = (iFont->FontMaxHeight() * 3);

    // calculate the position of the popup

    TPoint pos(((iRect.Width() - width )/2), (iRect.Height() - height)/2);

    TRect area( pos, TSize( width, height) );

    // First draw background box, after that the text

    DrawBackground(aGc, area);

    InitFont(aGc);

    // First text

    TPoint point( area.iTl );

    point.iY += iFont->FontMaxAscent() + (iFont->FontMaxHeight() / 2);

    TRAP_IGNORE(

            TBidiText* text = TBidiText::NewL( aDesc1, 1 );

            text->WrapText(area.Width(), *iFont, NULL);

            if(text->Directionality() == TBidiText::ELeftToRight ) 

                {

                point.iX += (area.Width() - d1Length)/2;

                }

            else

                {

                point.iX -= (area.Width() - d1Length)/2;

                }

            text->DrawText( aGc, point );

            delete text;

        )

    // Second text

    point.iX = area.iTl.iX;

    point.iX += (area.Width() - d2Length)/2;

    point.iY += iFont->FontMaxHeight();

    aGc.DrawText(aDesc2, point );

    }

void THgPopupDrawer::DrawBackground( CWindowGc& aGc, const TRect& aRect )

    {

    TAknLayoutRect cornerRect;

    // skinned draw uses submenu popup window skin (skinned border)

    cornerRect.LayoutRect(

        aRect,

        SkinLayout::Submenu_skin_placing_Line_2() );

    TRect innerRect( aRect );

    innerRect.Shrink( cornerRect.Rect().Width(), cornerRect.Rect().Height() );

    if ( !AknsDrawUtils::DrawFrame(

            AknsUtils::SkinInstance(),

            aGc,

            aRect,

            innerRect,

            KAknsIIDQsnFrPopupSub,

            KAknsIIDQsnFrPopupCenterSubmenu ) )

        {

        // skinned border failed -> black border

        aGc.SetPenStyle( CGraphicsContext::ESolidPen );

        aGc.SetBrushColor( KRgbBlack );

        aGc.DrawRect( aRect );

        }

    }

void THgPopupDrawer::InitFont(CWindowGc& aGc)

    {

    // font needs to be set

    if(!iFont) return;

    // Get color for the text from the skin.

    TRgb normal;

    AknsUtils::GetCachedColor(AknsUtils::SkinInstance(), 

            normal, 

            KAknsIIDQsnTextColors, 

            EAknsCIQsnTextColorsCG6 );

    // Draw text

    aGc.UseFont( iFont );

    aGc.SetPenColor(normal);    

    }