/*

* 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 <QPainter>

#include <QPaintEvent>

#include "TnEngineView.h"

#include "TnEngineHandler.h"

const int ScrollingDelta = 60;

namespace WRT {

TnEngineView::TnEngineView(QWidget* parent, TnEngineHandler* handler)

: QWidget(parent), m_TnEngineHandler(handler)

{

    //connect(this, SIGNAL(closeViewRequested()), WebController::webController()->wrtController(), SLOT(closeViewRequested()));

    //connect(this, SIGNAL(cancelViewRequested()), WebController::webController()->wrtController(), SLOT(cancelViewRequested()));

}

void TnEngineView::initview()

{

    setGeometry(parentWidget()->rect());

    m_TnEngineHandler->setFullScreenMode(true);

    m_TnEngineHandler->setContainerRect(QRect(QPoint(0, 0), rect().size()));

    m_TnEngineHandler->setVisible(true);

    // ensure that system cursor is an arrow, not a random icon.

    // This is not an issue if the platform does not have a system cursor

    // FIXME: Cursor undef for symbian?

#if !defined(Q_OS_SYMBIAN)

    setCursor(Qt::ArrowCursor);

#endif

    setFocusPolicy(Qt::WheelFocus);

    setFocus(Qt::OtherFocusReason);

}

TnEngineView* TnEngineView::initiWithParentAndTnEngineHandler(QWidget* parent, TnEngineHandler* handler)

{

    TnEngineView* that = new TnEngineView(parent, handler);

    that->initview();

    return that;

}

TnEngineView::~TnEngineView()

{

    //m_TnEngineHandler->setVisible(false);

    //m_TnEngineHandler->setFullScreenMode(false);

}

void TnEngineView::paintEvent(QPaintEvent* e)

{

    TnEngineView* that = const_cast<TnEngineView*>(this);

    QPainter painter(that);

    m_TnEngineHandler->setVisible(true);

    m_TnEngineHandler->draw(painter, e->rect());

}

void TnEngineView::keyPressEvent(QKeyEvent* ev)

{

    if (    ev->key() == Qt::Key_Enter

         || ev->key() == Qt::Key_Return

         || ev->key() == Qt::Key_Select ) {

        emit ok();

        return;

    }

    if (ev->key() == Qt::Key_Escape) {

        emit cancel();

        return;

    }

    if (ev->key() == Qt::Key_Up || ev->key() == Qt::Key_Down || ev->key() == Qt::Key_Left || ev->key() == Qt::Key_Right) {

        int x = ScrollingDelta / 2, y = ScrollingDelta;

        switch (ev->key()) {

            case Qt::Key_Down:

                x = 0;

                break;

            case Qt::Key_Up:

                x = 0;

                y *= -1;

                break;

            case Qt::Key_Left:

                x *= -1;

                y = 0;

                break;

            case Qt::Key_Right:

                y = 0;

                break;

            }

        emit scrollBy(x, y);

    }

}

void TnEngineView::resizeEvent(QResizeEvent* event)

{

    m_TnEngineHandler->setContainerRect(QRect(QPoint(0, 0), rect().size()));

}

void TnEngineView::mouseMoveEvent(QMouseEvent* e)

{

    QRect indicatorRect = m_TnEngineHandler->indicatorRect();

    int zoomLevel = m_TnEngineHandler->zoomOutLevel();

    int xDelta = ((e->x() - indicatorRect.x() - indicatorRect.width() / 2) * zoomLevel ) / 100;

    int yDelta = ((e->y() - indicatorRect.y() - indicatorRect.height() / 2) * zoomLevel ) / 100;

    emit scrollBy(xDelta, yDelta);

    m_currPoint.setX(e->x());

    m_currPoint.setY(e->y());

}

void TnEngineView::mousePressEvent(QMouseEvent* e)

{

    m_currPoint.setX(e->x());

    m_currPoint.setY(e->y());

}

void TnEngineView::mouseReleaseEvent(QMouseEvent* e)

{

    m_currPoint.setX(e->x());

    m_currPoint.setY(e->y());

    emit ok();

}

}