/*

* Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

*

* This program is free software: you can redistribute it and/or modify

* it under the terms of the GNU Lesser General Public License as published by

* the Free Software Foundation, version 2.1 of the License.

*

* This program is distributed in the hope that it will be useful,

* but WITHOUT ANY WARRANTY; without even the implied warranty of

* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

* GNU Lesser General Public License for more details.

*

* You should have received a copy of the GNU Lesser General Public License

* along with this program.  If not,

* see "http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html/".

*

* Description:

*

*/

#include "ToolbarChromeItem.h"

#include "NativeChromeItem.h"

#include "GWebContentView.h"

#include "WebChromeContainerSnippet.h"

#include "ChromeEffect.h"

#include <QDebug>

#define TOOLBAR_BG_OPACITY 0.75

#define TOOLBAR_GRADIENT_START "#2E3B57"

#define TOOLBAR_GRADIENT_END "#44587D"

#define TOOLBAR_LEFTCORNER_ITEM 0

namespace GVA {

  ToolbarChromeItem::ToolbarChromeItem(ChromeSnippet* snippet, QGraphicsItem* parent)

    : ChromeItem(NULL, parent),

      m_partialbg(NULL),

      m_opacity(TOOLBAR_BG_OPACITY)

  {

      setSnippet(snippet);

  }

  ToolbarChromeItem::~ToolbarChromeItem()

  {

    if (m_partialbg) {

      delete m_partialbg;

    }

  }

  void ToolbarChromeItem::resizeEvent(QGraphicsSceneResizeEvent * ev)

  {

    Q_UNUSED(ev)

    addPartialbg();

  }

  void ToolbarChromeItem::paint(QPainter* painter, const QStyleOptionGraphicsItem* opt, QWidget* widget)

  {

    Q_UNUSED(opt)

    Q_UNUSED(widget)

    painter->save();

    painter->setRenderHint(QPainter::Antialiasing);

    painter->setPen(m_pen);

    painter->setOpacity(m_opacity);

//    qDebug() << __PRETTY_FUNCTION__ << boundingRect();

    painter->fillPath(*m_partialbg, QBrush(m_grad));

    painter->drawPath(*m_partialbg);

    // restore painter

    painter->restore();

    if(!isEnabled()) {

        // Disabled, apply whitewash.

        ChromeEffect::paintDisabledRect(painter, opt->exposedRect);

    }

  }

  void ToolbarChromeItem::setProperties() {

    m_pen.setWidth(m_borderWidth);

    m_pen.setBrush(QBrush(m_borderColor));

    m_grad.setColorAt(0, TOOLBAR_GRADIENT_START);

    m_grad.setColorAt(1, TOOLBAR_GRADIENT_END);

  }

  void ToolbarChromeItem::addPartialbg() {

    WebChromeContainerSnippet * s = static_cast<WebChromeContainerSnippet*>(m_snippet);

    if(!s->layout()->itemAt(TOOLBAR_LEFTCORNER_ITEM))

        return;

    QRectF rc = s->layout()->itemAt(TOOLBAR_LEFTCORNER_ITEM)->geometry();

    if (m_partialbg) {

      delete m_partialbg;

    }

    m_partialbg = new QPainterPath();

    qreal width =  rc.width()-m_padding;

    // Add left corner bg

    m_partialbg->addEllipse(1, 1, width, width);

    // Right Corner background

    qreal x = boundingRect().width()- rc.width() + 1;

    QRectF r(x, 1, width, width);

    m_partialbg->addEllipse(r);

  }

  void ToolbarChromeItem::setSnippet(ChromeSnippet* snippet) {

    ChromeItem::setSnippet(snippet);

    QString cssVal = m_snippet->element().styleProperty("border-top-color",

        QWebElement::ComputedStyle);

    NativeChromeItem::CSSToQColor(cssVal, m_borderColor);

    cssVal = m_snippet->element().styleProperty("padding-top", QWebElement::ComputedStyle);

    m_padding = cssVal.remove("px").toInt();

    cssVal = m_snippet->element().styleProperty("border-top-width", QWebElement::ComputedStyle);

    m_borderWidth = cssVal.remove("px").toInt();

    setProperties();

  }

} // end of namespace GVA