/*

* Copyright (c) 2006 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:  

*

*/

#include "config.h"

#include "PlatformScrollbar.h"

#include "GraphicsContext.h"

#include "WebCoreGraphicsContext.h"

#include <e32base.h>

#include <bitstd.h>

using namespace WebCore;

int PlatformScrollbar::horizontalScrollbarHeight() { return KScrollbarWidth; }

int PlatformScrollbar::verticalScrollbarWidth() { return KScrollbarWidth; }

PlatformScrollbar::PlatformScrollbar(ScrollbarClient* client, ScrollbarOrientation orientation, ScrollbarControlSize controlSize) 

: Scrollbar(client, orientation, controlSize), m_rect(0,0,KScrollbarWidth,KScrollbarWidth)

{ 

}

PlatformScrollbar::~PlatformScrollbar() { }

int PlatformScrollbar::width() const 

{ 

    return m_rect.width(); 

}

int PlatformScrollbar::height() const 

{ 

    return m_rect.height(); 

}

void PlatformScrollbar::setEnabled(bool b) 

{

    m_enabled = b;

}

void PlatformScrollbar::paint(GraphicsContext* p, const IntRect& damageRect) 

{    

    WebCoreGraphicsContext* gc = p->platformContext();

    CFbsBitGc* gcContext( &gc->gc() );

    int zoomFactor = gc->view().scalingFactor();

    TRect rect = TRect(m_rect.x() * zoomFactor / 100, m_rect.y() * zoomFactor / 100, (m_rect.x() + m_rect.width()) * zoomFactor / 100, (m_rect.y() + m_rect.height()) * zoomFactor / 100);

    gcContext->SetPenStyle( CGraphicsContext::ENullPen );

    gcContext->SetBrushStyle( CGraphicsContext::ESolidBrush );

    TRgb bck(150,150,180);

    TRgb frg(90,90,150);

    // draw background

    gcContext->SetBrushColor( bck );

    gcContext->DrawRect( rect );

    TInt h = rect.Height();

    TInt w = rect.Width();

    TInt kx, ky, kw, kh;

    TInt scrollbarWidth = zoomFactor*KScrollbarWidth/100;

    float thumb = (m_visibleSize > m_totalSize) ? 1 : (m_totalSize?(float)m_visibleSize/m_totalSize:1);

    float value = (m_totalSize-m_visibleSize)?(float)m_currentPos/(m_totalSize-m_visibleSize):1;

    if (m_orientation==HorizontalScrollbar)

        {

        // compute thumb position and size

        kw = w * thumb;

        kh = h;

        kx = rect.iTl.iX + value*(w-kw);

        ky = rect.iTl.iY;

        }

    else

        {

        // compute thumb position and size

        kw = w;

        kh = h * thumb;

        kx = rect.iTl.iX;

        ky = rect.iTl.iY+ value*(h-kh);

        }

    gcContext->SetBrushColor(frg);

    TRect r(TPoint(kx,ky),TSize(kw,kh));

    gcContext->DrawRect(r);

}

void PlatformScrollbar::updateThumbPosition() 

{

}

void PlatformScrollbar::updateThumbProportion() 

{

}

void PlatformScrollbar::setRect(const IntRect& rect) 

{ 

    m_rect = rect;

}

void PlatformScrollbar::handleMousePressEvent(const PlatformMouseEvent&, const IntPoint& p)

{

    clickAtPoint(p, true);

}

void PlatformScrollbar::clickAtPoint(const IntPoint& point, bool /*down*/)

{

}