/****************************************************************************

**

** Copyright (C) 2008-2010 Nokia Corporation and/or its subsidiary(-ies).

** All rights reserved.

** Contact: Nokia Corporation (developer.feedback@nokia.com)

**

** This file is part of the HbCore module of the UI Extensions for Mobile.

**

** GNU Lesser General Public License Usage

** This file may be used under the terms of the GNU Lesser General Public

** License version 2.1 as published by the Free Software Foundation and

** appearing in the file LICENSE.LGPL included in the packaging of this file.

** Please review the following information to ensure the GNU Lesser General

** Public License version 2.1 requirements will be met:

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

**

** In addition, as a special exception, Nokia gives you certain additional

** rights.  These rights are described in the Nokia Qt LGPL Exception

** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.

**

** If you have questions regarding the use of this file, please contact

** Nokia at developer.feedback@nokia.com.

**

****************************************************************************/

#include "hbdevice_p.h"

#include <QGraphicsLinearLayout>

#include <hbdeviceprofile.h>

HbDeviceView::HbDeviceView()

{

}

HbDeviceView::HbDeviceView(HbMainWindow *window, QWidget *parent) :

    QGraphicsView(parent), mMainWindow(window), mAngle(0), mLastPos(0, 0),

    mMouseMove(false)

{

    Q_UNUSED(parent);

    //Set background

    setBackgroundBrush(QBrush(QColor(0, 0, 0), Qt::SolidPattern/*Qt::VerPattern*/));

    //Take scene from window

    setScene(mMainWindow->scene());

    //Get real values from device profile

    HbDeviceProfile profile = HbDeviceProfile::profile(mMainWindow);

    qreal x = mMainWindow->rect().x();

    qreal y = mMainWindow->rect().y();

    int h = profile.logicalSize().height();

    int w = profile.logicalSize().width();

    //Centralize

    setSceneRect(x, y, w, h);

    setDragMode(QGraphicsView::NoDrag/*QGraphicsView::ScrollHandDrag*/);

    connect(mMainWindow, SIGNAL(orientationChanged(Qt::Orientation)), this, SLOT(orientationChanged(Qt::Orientation)));

}

HbDeviceView::~HbDeviceView()

{

}

void HbDeviceView::rotateDevice(int angle)

{

    //Store angle and block turning more than 90 or -90 degrees

    mAngle = mAngle + angle;

    if (mAngle < -90 || mAngle > 90) {

        if (mAngle < -90) {

            mAngle = -90;

        } else {

            mAngle = 90;

        }

        return;

    }

    rotate(angle);

// For special purpose, if needed..

    if (mAngle == 0) {

    } else if (mAngle == 90) {

    } else if (mAngle == -90) {

    }

}

void HbDeviceView::orientationChanged(Qt::Orientation orientation)

{

    Q_UNUSED(orientation);

    HbDeviceProfile profile = HbDeviceProfile::profile(mMainWindow);

    int h = profile.logicalSize().height();

    int w = profile.logicalSize().width();

    //This is needed to centralize mMainWindow

    setSceneRect(0, 0, w, h);

    if (!mMouseMove) {

        resize(w + 5, h + 5);

    }

}

//Remove black "frames"

void HbDeviceView::compressDevice()

{

    if (mAngle < 0) {

        rotate(+(-mAngle));

        mAngle = 0;

    } else {

        rotate(-(+mAngle));

        mAngle = 0;

    }

    HbDeviceProfile profile = HbDeviceProfile::profile(mMainWindow);

    int h = profile.logicalSize().height();

    int w = profile.logicalSize().width();

    setSceneRect(0, 0, w, h);

    resize(w + 5, h + 5);

}

//Catch mouse move event and rotate this view

void HbDeviceView::mouseMoveEvent(QMouseEvent *event)

{

    if (!mMouseMove || itemAt(event->pos())) {

        return;

    }

    if ((event->buttons() & Qt::LeftButton)) {

        if (event->pos().x() < mLastPos.x()) {

            rotateDevice(-10);

        } else if (event->pos().x() > mLastPos.x()) {

            rotateDevice(10);

        }

        mLastPos = event->pos();

    }

}

void HbDeviceView::keyPressEvent(QKeyEvent *event)

{

    //If "Ctrl+D" is pressed, enable or disable rotate

    if (event->modifiers() == Qt::ControlModifier && event->key() == Qt::Key_D) {

        if (!mMouseMove) {

            mMouseMove = true;

            enableDevice(true);

        } else {

            mMouseMove = false;

            enableDevice(false);

        }

    }

}

void HbDeviceView::enableDevice(bool enable)

{

    if (enable) {

        resize(900, 900);

    } else {

        compressDevice();

    }

}

#include "moc_hbdevice_p.cpp"