/*

* Copyright (c) 2002 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: 

*       Provides methods for Control for thumbnail popup window.

*

*/

// INCLUDE FILES

#include    "CPbkThumbnailPopupControl.h"

#include    <barsread.h> // TResourceReader

#include    <coemain.h> // CCoeEnv

#include    <eikenv.h>  // CCoeMain

#include    <aknappui.h>

#include    <PbkDebug.h>

#include <aknlayout.cdl.h>

#include <applayout.cdl.h>

#include <aknlayoutscalable_apps.cdl.h>

// Unnamed namespace for local definitions

namespace {

// LOCAL CONSTANTS AND MACROS

inline TRect RectFromCoords(const TRect& aParent, TAknWindowLineLayout& aLayout)

    {

    TAknLayoutRect layoutRect;

    layoutRect.LayoutRect(aParent, aLayout);

    return layoutRect.Rect();

    }

} // namespace

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

CPbkThumbnailPopupControl* CPbkThumbnailPopupControl::NewL()

    {

    CPbkThumbnailPopupControl* self = new (ELeave) CPbkThumbnailPopupControl();

    CleanupStack::PushL(self);

    self->ConstructL();

    CleanupStack::Pop();

    return self;

    }

CPbkThumbnailPopupControl::~CPbkThumbnailPopupControl()

    {

    delete iBitmap;

    }

void CPbkThumbnailPopupControl::ChangeBitmap(

    CFbsBitmap* aBitmap, 

    CEikListBox* /*aListBox*/)

    {

    if ( !aBitmap )

        {

        return;

        }

    if(aBitmap != iBitmap && aBitmap != NULL )

        {

        delete iBitmap;

        iBitmap = aBitmap;

        }

    if (iBitmap)

        {

        PBK_DEBUG_PRINT(PBK_DEBUG_STRING("Thumbnail size(W:%d H:%d)"), 

                        iBitmap->SizeInPixels().iWidth, 

                        iBitmap->SizeInPixels().iHeight);

        TRect appRect = iAvkonAppUi->ApplicationRect();

        TAknLayoutRect statusPaneRect;

        statusPaneRect.LayoutRect(appRect, AknLayout::status_pane(appRect, 0));

        TSize bitmapSize = iBitmap->SizeInPixels();

        /// bitmap blit position

        TPoint controlPoint;

        // bitmap

        TAknWindowComponentLayout componentThumbnail = 

            AknLayoutScalable_Apps::popup_phob_thumbnail_window_g1();

        // center of bitmap

        TAknWindowComponentLayout componentThumbnailCenter = 

            AknLayoutScalable_Apps::aid_phob_thumbnail_center_pane();

        TAknWindowLineLayout lineThumbnail = componentThumbnail.LayoutLine();

        TAknLayoutRect aknRectThumbnail;

        aknRectThumbnail.LayoutRect( TRect(), componentThumbnail );

        TAknWindowLineLayout lineThumbnailCenter = componentThumbnailCenter.LayoutLine();

        TAknLayoutRect aknRectThumbnailCenter;

        aknRectThumbnailCenter.LayoutRect( TRect(), componentThumbnailCenter );

        // Calculate Y position

        const TInt imageMaxHeight( aknRectThumbnail.Rect().Height() );

        if ( bitmapSize.iHeight/2 < aknRectThumbnailCenter.Rect().Height() )

            {

            controlPoint.iY = aknRectThumbnailCenter.Rect().Height() - bitmapSize.iHeight/2;

            iControlSize.iHeight = bitmapSize.iHeight;

            }

        else 

            {

            iCrop.iY = (bitmapSize.iHeight - imageMaxHeight )/2;

            controlPoint.iY = 1;

            iControlSize.iHeight = imageMaxHeight;

            }

        // calculate the X position of the bitmap

        const TInt imageMaxWidth( aknRectThumbnail.Rect().Width() );

        controlPoint.iX = aknRectThumbnailCenter.Rect().Width() - bitmapSize.iWidth/2;

        if (controlPoint.iX <= 0)

            {

            controlPoint.iX = 0;

            iCrop.iX = (bitmapSize.iWidth - imageMaxWidth)/2;

            iControlSize.iWidth = imageMaxWidth;

            }

        else 

            {

            iCrop.iX = 0;

            iControlSize.iWidth = bitmapSize.iWidth;

            }

        // x-coordinates of aknRectThumbnail's rect is calculated wrong in 

        // Arab&Hebrew case. If Arab/Hebrew layout is used, update only

        // y-coordinate to control point.

        if (aknRectThumbnail.Rect().iTl.iX > 0)

            {

            controlPoint += aknRectThumbnail.Rect().iTl;    

            }

        else

            {

            controlPoint.iY += aknRectThumbnail.Rect().iTl.iY;    

            }

        // calculate the actual bitmap position according to LAF

        TAknWindowLineLayout popupLayout = AppLayout::popup_pbook_thumbnail_window();

        TRect popupWindowRect = RectFromCoords(statusPaneRect.Rect(), popupLayout);

        controlPoint += popupWindowRect.iTl;

        // Shadow size

        TAknWindowComponentLayout componentThumbnailShadow = 

            AknLayoutScalable_Apps::popup_phob_thumbnail_window_g2();

        TAknWindowLineLayout lineThumbnailShadow = componentThumbnailShadow.LayoutLine();

        TAknLayoutRect aknRectThumbnailShadow;

        aknRectThumbnailShadow.LayoutRect( TRect(), componentThumbnailShadow );

        iShadowWidth = aknRectThumbnailShadow.Rect().iTl.iX - aknRectThumbnail.Rect().iTl.iX ;

        if ( iShadowWidth < 0 )

            {

            iShadowWidth  = aknRectThumbnail.Rect().iTl.iX - aknRectThumbnailShadow.Rect().iTl.iX;

            }

        iShadowHeight = aknRectThumbnailShadow.Rect().iTl.iY - aknRectThumbnail.Rect().iTl.iY;

        if ( iShadowHeight < 0 )

            {

            iShadowHeight  = aknRectThumbnail.Rect().iTl.iY - aknRectThumbnailShadow.Rect().iTl.iY;          

            }

        // increment shadow size

        iControlSize.iWidth += iShadowWidth;

        iControlSize.iHeight += iShadowHeight;

        // set the control size

        SetExtent(controlPoint, iControlSize);

        }

    DrawNow();

    }

void CPbkThumbnailPopupControl::Draw

        (const TRect& /*aRect*/) const

    {

    CWindowGc& gc = SystemGc();

    if (iBitmap)

        {   

        // draw the bitmap

        PBK_DEBUG_PRINT(PBK_DEBUG_STRING("Thumbnail draw (Left:%d Top:%d Right:%d Bottom:%d)"), 

                Position().iX, 

                Position().iY, 

                Position().iX + iBitmap->SizeInPixels().iWidth,

                Position().iY + iBitmap->SizeInPixels().iHeight); 

        gc.BitBltMasked( TPoint(iShadowWidth, iShadowHeight), 

                         iThumbBackg, 

                         TRect(0,0,iThumbBackg->SizeInPixels().iWidth, iThumbBackg->SizeInPixels().iHeight ),

                         iThumbBackgMask, 

                         EFalse);

        gc.BitBlt(TPoint(), iBitmap);

        }

    }

CPbkThumbnailPopupControl::CPbkThumbnailPopupControl()

    {

    }

void CPbkThumbnailPopupControl::ConstructL()

    {

    CreateWindowL();

    MakeVisible(EFalse);

    SetExtent(TPoint(0,0),TSize(0,0));

    ActivateL();

    }

void CPbkThumbnailPopupControl::SetThumbnailBackg( CFbsBitmap* aThumbBackg, CFbsBitmap* aThumbBackgMask )

    {

    iThumbBackg = aThumbBackg;

    iThumbBackgMask = aThumbBackgMask;

    }

void CPbkThumbnailPopupControl::MakeControlVisible( TBool aVisible )

    {

    // make control visible

    MakeVisible(aVisible);

    // MakeVisible does not seem to make sure the control is redrawn

    DrawDeferred();    

    }

//  End of File