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

**

** 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 "hbthetestwidget_p.h"

#include "hbinstance.h"

#include "hbnamespace_p.h"

#include <hbapplication.h>

#include "hbtoolbutton_p.h"

#include "hbstyleoptiontoolbutton.h"

#include "hbcolorscheme.h"

#include "hbtextitem.h"

#ifdef Q_OS_SYMBIAN

#include <eikenv.h>

#include <apgtask.h>                // TApaTaskList, TApaTask

#endif

#include <QGraphicsSceneMouseEvent>

#include <QGraphicsGridLayout>

#include <QGraphicsWidget>

#include <QTextStream>

#include <QFile>

#include <QDir>

#include <QTimer>

#include <hbaction.h>

#include <QDebug> // for qWarning

#ifdef HB_TEXT_MEASUREMENT_UTILITY

#include "hbtextmeasurementutility_p.h"

#endif //HB_TEXT_MEASUREMENT_UTILITY

//#ifdef Q_OS_SYMBIAN

//#include <coemain.h>

//#include <fbs.h>

//#endif

const int KWidth = 140; // container size, button width is KWidth/2

const int KHeight = 140; // container size, button height is KHeight/2

// how much must button be dragged before it is actually moved

const int KThreshold = 16;

HbTheTestButton::HbTheTestButton(QGraphicsItem *parent)

: HbToolButton(parent),

  mPressedDown(false)

{

    setAttribute(Hb::InteractionDisabled); // no feedback from test button

    mPosition = scenePos();

    mScreenSize = HbDeviceProfile::profile(this).logicalSize();

}

HbTheTestButton::~HbTheTestButton()

{

}

QSizeF HbTheTestButton::sizeHint(Qt::SizeHint which, const QSizeF &constraint) const

{

    switch(which){

    case Qt::MinimumSize: //fallthrough

    case Qt::MaximumSize: //fallthrough

        return QSizeF(KWidth/2, KHeight/2);

    default:

        return HbAbstractButton::sizeHint( which, constraint );

    }

}

/*!

    \reimp

    Removed tooltip support.

 */

void HbTheTestButton::updatePrimitives()

{

    HbToolButtonPrivate *d = static_cast<HbToolButtonPrivate *>(HbToolButton::d_ptr);

    HbStyleOptionToolButton option;

    if (d->action) {

        setCheckable(d->action->isCheckable());

        setChecked(d->action->isChecked());

        setEnabled(d->action->isEnabled());

    }

    initStyleOption(&option);

    if (d->frameItem) {

        style()->updatePrimitive(d->frameItem, HbStyle::P_ToolButton_frame, &option);

    }

    if (d->textItem) {

        style()->updatePrimitive(d->textItem, HbStyle::P_ToolButton_text, &option);

    }

    if (d->iconItem) {

        style()->updatePrimitive(d->iconItem, HbStyle::P_ToolButton_icon, &option);

    }

}

/*!

  reimp

*/

void HbTheTestButton::mousePressEvent(QGraphicsSceneMouseEvent *event)

{

    HbToolButton::mousePressEvent(event);

    mPressedDown = true;

    mMoved = false;

    mPressedPos = event->scenePos();

    mPosition = scenePos() - pos();

    event->accept();

}

/*!

  reimp

*/

void HbTheTestButton::mouseReleaseEvent(QGraphicsSceneMouseEvent *event)

{

    if (!mMoved) {

        HbToolButton::mouseReleaseEvent(event);

    }

    mMoved = false;

    mPressedDown = false;

    event->accept();

}

/*!

  reimp

*/

void HbTheTestButton::mouseMoveEvent(QGraphicsSceneMouseEvent *event)

{

    HbToolButton::mouseMoveEvent(event);

    QPointF moved = mPressedPos - event->scenePos();

    if (mMoved || (mPressedDown && ((qAbs(moved.x()) > KThreshold) ||

                                   (qAbs(moved.y()) > KThreshold)))) {

        QPointF newPosition = mPosition - moved;

        if ((newPosition.x() + pos().x()) < 0) {

            newPosition.setX(0 - pos().x());

        }

        if ((newPosition.y() + pos().y()) < 0) {

            newPosition.setY(0 - pos().y());

        }

        if (newPosition.x() > (mScreenSize.width() - KWidth/2 - pos().x())) {

            newPosition.setX(mScreenSize.width() - KWidth/2 - pos().x());

        }

        if (newPosition.y() > (mScreenSize.height() - KHeight/2 - pos().y())) {

            newPosition.setY(mScreenSize.height() - KHeight/2 - pos().y());

        }

        HbTheTestWidget *parentWidget = qgraphicsitem_cast<HbTheTestWidget*>(parentItem());

        if (parentWidget) {

            mMoved = true;

            parentWidget->setPos(newPosition);

        }

        setDown(false);

    }

}

class HbTheTestWidgetPrivate

{

public:

    HbMainWindow *mMainWindow;

    HbTheTestButton *mButton1;

    HbTheTestButton *mButton2;

    HbTheTestButton *mButton3;

    HbTheTestButton *mButton4;

    QGraphicsGridLayout *mLayout;

};

/*!

    \class HbTheTestWidget

    \internal

    \proto

*/

HbTheTestWidget::HbTheTestWidget(HbMainWindow *mainWindow, QGraphicsItem *parent)

: HbWidget(parent)

{

    d = new HbTheTestWidgetPrivate;

    d->mMainWindow = mainWindow;

    d->mLayout = new QGraphicsGridLayout();

    d->mLayout->setContentsMargins( qreal(0.0), qreal(0.0), qreal(0.0), qreal(0.0) );

    d->mLayout->setSpacing(0.0);

    setLayout(d->mLayout);

    HbAction *action1 = new HbAction(QString("1"),this);

    d->mButton1 = new HbTheTestButton(this);

    d->mButton1->setAction(action1);

    d->mButton1->setToolButtonStyle(HbToolButton::ToolButtonText);

    HbAction *action2 = new HbAction(QString("2"),this);

    d->mButton2 = new HbTheTestButton(this);

    d->mButton2->setAction(action2);

    d->mButton2->setToolButtonStyle(HbToolButton::ToolButtonText);

    HbAction *action3 = new HbAction(QString("3"),this);

    d->mButton3 = new HbTheTestButton(this);

    d->mButton3->setAction(action3);

    d->mButton3->setToolButtonStyle(HbToolButton::ToolButtonText);

    HbAction *action4 = new HbAction(QString("4"),this);

    d->mButton4 = new HbTheTestButton(this);

    d->mButton4->setAction(action4);

    d->mButton4->setToolButtonStyle(HbToolButton::ToolButtonText);

    d->mLayout->addItem(d->mButton1, 0, 0);

    d->mLayout->addItem(d->mButton2, 0, 1);

    d->mLayout->addItem(d->mButton3, 1, 0);

    d->mLayout->addItem(d->mButton4, 1, 1);

    QSize screenSize = HbDeviceProfile::profile(this).logicalSize();

    setPos((screenSize.width()-KWidth)/2,(screenSize.height()-KHeight)/2);

    QObject::connect(mainWindow, SIGNAL(orientationChanged(Qt::Orientation)),

        this, SLOT(orientationChanged(Qt::Orientation)));

}

HbTheTestWidget::~HbTheTestWidget()

{

    delete d;

}

void HbTheTestWidget::orientationChanged(Qt::Orientation newOrientation)

{

    Q_UNUSED(newOrientation)

    QSize screenSize = HbDeviceProfile::profile(this).logicalSize();

    setPos((screenSize.width()-KWidth)/2,(screenSize.height()-KHeight)/2);

    d->mButton1->mScreenSize = screenSize;

    d->mButton2->mScreenSize = screenSize;

    d->mButton3->mScreenSize = screenSize;

    d->mButton4->mScreenSize = screenSize;

}

QSizeF HbTheTestWidget::sizeHint(Qt::SizeHint which, const QSizeF &constraint) const

{

    switch(which){

    case Qt::MinimumSize: //fallthrough

    case Qt::MaximumSize: //fallthrough

        return QSizeF(KWidth, KHeight);

    default:

        return HbWidget::sizeHint( which, constraint );

    }

}

HbTheTestButton *HbTheTestWidget::button1()

{

    if (d) {

        return d->mButton1;

    }

    return 0;

}

HbTheTestButton *HbTheTestWidget::button2()

{

    if (d) {

        return d->mButton2;

    }

    return 0;

}

HbTheTestButton *HbTheTestWidget::button3()

{

    if (d) {

        return d->mButton3;

    }

    return 0;

}

HbTheTestButton *HbTheTestWidget::button4()

{

    if (d) {

        return d->mButton4;

    }

    return 0;

}

// slots that can be used in test buttons start here

void HbTheTestWidget::textLayoutMeasure()

{

#ifdef HB_TEXT_MEASUREMENT_UTILITY

    HbTextMeasurementUtility *measureUtility = HbTextMeasurementUtility::instance();

    measureUtility->measureItems();

#endif //HB_TEXT_MEASUREMENT_UTILITY

}

void HbTheTestWidget::textLayoutWriteReport()

{

#ifdef HB_TEXT_MEASUREMENT_UTILITY

    HbTextMeasurementUtility *measureUtility = HbTextMeasurementUtility::instance();

    HbDeviceProfile profile = HbDeviceProfile::profile(d->mMainWindow);

    if (!HbApplication::applicationName().isEmpty()) {

        measureUtility->writeReport(profile, HbApplication::applicationName());

    } else {

        measureUtility->writeReport(profile, "unknown_application");

    }

    measureUtility->reset();

#endif //HB_TEXT_MEASUREMENT_UTILITY

}

void HbTheTestWidget::toggleOrientation()

{

}

void HbTheTestWidget::toggleMirroring()

{

    Qt::LayoutDirection dir = d->mMainWindow->layoutDirection();

    d->mMainWindow->setLayoutDirection(dir == Qt::LeftToRight ? Qt::RightToLeft : Qt::LeftToRight);

}

void HbTheTestWidget::setApplicationBackground()

{

#ifdef Q_OS_SYMBIAN

    TApaTask task(CEikonEnv::Static()->WsSession());

    task.SetWgId(CEikonEnv::Static()->RootWin().Identifier());

    task.SendToBackground();

#endif

}

void HbTheTestWidget::screenCapture()

{

    setVisible(false);

    QTimer::singleShot(1000, this, SLOT(doScreenCapture()));

}

void HbTheTestWidget::doScreenCapture()

{

#if defined (Q_OS_WIN32)

    QString filePath("c:\\");

    filePath = QDir::toNativeSeparators(filePath);

#elif defined (Q_OS_SYMBIAN)

    QString filePath("f:\\");

    filePath = QDir::toNativeSeparators(filePath);

    if (!QDir(filePath).exists()) {

        filePath = "e:\\";

        filePath = QDir::toNativeSeparators(filePath);

        if (!QDir(filePath).exists()) {

            filePath = "c:\\"; // this should always exist

            filePath = QDir::toNativeSeparators(filePath);

        }

    }

#elif defined (Q_OS_UNIX)

    QString filePath(QDir::tempPath());

    filePath.append(QDir::separator());

#endif

    filePath.append("data");

    filePath.append(QDir::separator());

    filePath.append("hb_screenshots");

    QDir dir(filePath);

    if (!dir.exists()) {

        dir.mkpath(filePath);

    }

    if (!HbApplication::applicationName().isEmpty()) {

        filePath.append(HbApplication::applicationName());

    } else {

        filePath.append("unknown_application");

    }

    filePath.append(".png");

//#ifdef Q_OS_SYMBIAN

    // todo: not fail-safe code

//    TSize screenSize = CCoeEnv::Static()->ScreenDevice()->SizeInPixels();

//    TDisplayMode displayMode = CCoeEnv::Static()->ScreenDevice()->DisplayMode();

//    CFbsBitmap *bitmap = new (ELeave) CFbsBitmap();

//    User::LeaveIfError(bitmap->Create(screenSize, displayMode));

//    CCoeEnv::Static()->ScreenDevice()->CopyScreenToBitmap(bitmap);

//    QPixmap screenPixmap = QPixmap::fromSymbianCFbsBitmap(bitmap);

//#else

    QPixmap screenPixmap = QPixmap::grabWindow(

        QApplication::activeWindow()->winId());

//#endif

    QString format = "png";

    screenPixmap.save(filePath.toLatin1(), format.toLatin1());

    setVisible(true);

}