/*

* 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 <QGraphicsLinearLayout>

#include <QParallelAnimationGroup>

#include <QPropertyAnimation>

#include <QGraphicsDropShadowEffect>

#include <QGraphicsSceneResizeEvent>

#include <QGesture>

#include <QGraphicsScene>

#include "hswidgethostvisual.h"

#include "hswidgethost.h"

#include "hsscene.h"

#include "hsconfiguration.h"

#include "hswidgettoucharea.h"

/*!

    \class HsWidgetHostVisual

    \ingroup group_hsdomainmodel

    \brief Each widget is controlled by the home screen framework through a widget host.

*/

/*!

    Constructs a new widget host with given \a databaseId and

    \a parent item.

*/

HsWidgetHostVisual::HsWidgetHostVisual(QGraphicsItem *parent)

  : HbWidget(parent),mWidget(0)

{

    setFlag(QGraphicsItem::ItemClipsChildrenToShape);

    setFlag(QGraphicsItem::ItemHasNoContents);

    grabGesture(Qt::TapGesture);

    grabGesture(Qt::TapAndHoldGesture);

    grabGesture(Qt::PanGesture);

    grabGesture(Qt::PinchGesture);

    grabGesture(Qt::SwipeGesture);

    grabGesture(Qt::CustomGesture);

    setupTouchArea();

    setupEffects();

    setMinimumSize(HSCONFIGURATION_GET(minimumWidgetSizeInPixels));

    setMaximumSize(HSCONFIGURATION_GET(maximumWidgetSizeInPixels));

}

/*!

    Destructor.

*/

HsWidgetHostVisual::~HsWidgetHostVisual()

{

}

/*!

    Reimplemented from QGraphicsItem. Returns the shape of the

    this widget host. The shape is computed based on the contained

    widget.

*/

QPainterPath HsWidgetHostVisual::shape() const

{

    QPainterPath path;

    if (mWidget) {

        QRectF currRect = rect();

        path = mWidget->shape();

        QRectF pathRect(path.boundingRect());

        if (pathRect.width() > currRect.width()

            || pathRect.height() > currRect.height()) {

            QPainterPath newPath(currRect.topLeft());

            newPath.addRect(currRect);

            path = path.intersected(newPath);

        }

    }

    return path;

}

void HsWidgetHostVisual::setWidget(QObject *widget)

{

    mWidget = qobject_cast<QGraphicsWidget *>(widget);

    if (mWidget) {

        mWidget->installEventFilter(this);

        mWidget->setParentItem(this);

        setNewSize(mWidget->size());

    }

}

void HsWidgetHostVisual::setVisualModel(HsWidgetHost *model)

{

    mVisualModel = model;

}

HsWidgetHost *HsWidgetHostVisual::visualModel() const

{

    return mVisualModel;

}

/*!

    Starts the drag effect.

*/

void HsWidgetHostVisual::startDragEffect()

{

}

/*!

    Starts the drop effect.

*/

void HsWidgetHostVisual::startDropEffect()

{

}

/*!

    \fn HsWidgetHost::resized()

    Notifies the home screen framework that this widget

    host has resized itself.

*/

/*!

    Reimplemented from QObject for monitoring changes in 

    contained widget's size.

*/

bool HsWidgetHostVisual::eventFilter(QObject *watched, QEvent *event)

{

    return HbWidget::eventFilter(watched, event);

}

/*!

    Reimplemented from HbWidget for pan gesture handling.

*/

void HsWidgetHostVisual::gestureEvent(QGestureEvent *event)

{

}

/*!

    \fn HsWidgetHostVisual::mousePressEvent(QGraphicsSceneMouseEvent *)

    Reimplemented from QGraphicsItem for eating all mouse presses.

*/

/*!

    Configures the touch are for this widget host.

*/

void HsWidgetHostVisual::setupTouchArea()

{

}

/*!

    Configures the effects for this widget host.

*/

void HsWidgetHostVisual::setupEffects()

{

}

/*!

    Resizes this widget host to the given \a size.

*/

void HsWidgetHostVisual::setNewSize(const QSizeF &size)

{

}