* Description: Home screen shortcut widget.

#include <HbStyleLoader>

#include <HbFrameItem>

#include <HbFrameDrawer>

#include <HbTouchArea>

    \ingroup group_hsshortcutwidgetplugin

    Constructor.

    mBackground(0), mIcon(0), mText(0), mTouchArea(0),

    mIsPressed(false),

    mMcsId(-1), mCaEntry() 

    HbStyleLoader::registerFilePath(":/hsshortcutwidget.widgetml");

    HbStyleLoader::registerFilePath(":/hsshortcutwidget.css");

    Destructor.

    HbStyleLoader::unregisterFilePath(":/hsshortcutwidget.widgetml");

    HbStyleLoader::unregisterFilePath(":/hsshortcutwidget.css");

    Sets the menu content service id.

    Returns the menu content service id.

int HsShortcutWidget::mcsId() const

    return mMcsId;

}

/*!

    Filters touch area events.

*/

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

{

    Q_UNUSED(watched)

    switch (event->type()) {

        case QEvent::GraphicsSceneMousePress:

            handleMousePressEvent(static_cast<QGraphicsSceneMouseEvent *>(event));

        case QEvent::GraphicsSceneMouseRelease:

            handleMouseReleaseEvent(static_cast<QGraphicsSceneMouseEvent *>(event));

            break;

        default:            

            break;

    }

    return true;

}

/*!

    Initializes this widget.

*/

void HsShortcutWidget::onInitialize()

{

    mCaEntry = CaService::instance()->getEntry(mMcsId);

    if (!mCaEntry.isNull()) {

        createCaNotifier(); 

        updatePrimitives();

    } else {

        emit finished();

    Wakes up this widget.

void HsShortcutWidget::onShow()

    updateVisibility();

    Puts this widget in quiescent state.

    Invoked when \a entry has changed with a \a changeType.

void HsShortcutWidget::onEntryChanged(const CaEntry &entry, ChangeType changeType)

{

    Q_UNUSED(entry)

    mCaEntry = CaService::instance()->getEntry(mMcsId);

    switch(changeType) {

        case RemoveChangeType:

            emit finished();

            break;

        case UpdateChangeType:

            updateVisibility();

            updatePrimitives();

            break;

        default:

            break;

    Mouse press handler.

void HsShortcutWidget::handleMousePressEvent(QGraphicsSceneMouseEvent *event)

{   

    Q_UNUSED(event)

    mIsPressed = true;

    updatePrimitives();

    Mouse release handler.

void HsShortcutWidget::handleMouseReleaseEvent(QGraphicsSceneMouseEvent *event)

    mIsPressed = false;

    updatePrimitives();

    if (!contains(event->pos())) {

        return;

    }

    if (mCaEntry->role() == ItemEntryRole) {

        CaService::instance()->executeCommand(mMcsId);

        HsShortcutService::instance()->executeCollectionAction(mMcsId, mCaEntry->entryTypeName());

void HsShortcutWidget::updatePrimitives()

{   

    // Background

    if (!mBackground) {

        HbFrameDrawer *drawer = new HbFrameDrawer(

            QLatin1String("qtg_fr_hsshortcut_normal"), HbFrameDrawer::NinePieces);

        mBackground = new HbFrameItem(drawer, this);

        HbStyle::setItemName(mBackground, QLatin1String("background"));

    }

    if (mIsPressed) {        

        mBackground->frameDrawer().setFrameGraphicsName(QLatin1String("qtg_fr_hsitems_pressed"));

    } else {

        mBackground->frameDrawer().setFrameGraphicsName(QLatin1String("qtg_fr_hsshortcut_normal"));

    }

    // Icon

    if (!mIcon) {

        mIcon = new HbIconItem(this);

        HbStyle::setItemName(mIcon, QLatin1String("icon"));

    }

    mIcon->setIcon(mCaEntry->makeIcon());

    // Text

    QString text = mCaEntry->text();

    if (!text.isNull()) {

        if (!mText) {

            mText = new HbTextItem(this);

            HbStyle::setItemName(mText, QLatin1String("text"));

        }

        mText->setText(text);

    } else {

        if (mText) {

            delete mText;

            mText = 0;

        }

    }

    // Touch Area

    if (!mTouchArea) {

        mTouchArea = new HbTouchArea(this);

        mTouchArea->installEventFilter(this);

        HbStyle::setItemName(mTouchArea, QLatin1String("toucharea"));

    }

}

/*!

    \internal

*/

void HsShortcutWidget::createCaNotifier()

    CaNotifierFilter filter;

    filter.setIds(QList<int>() << mMcsId);

    CaNotifier *notifier = CaService::instance()->createNotifier(filter);

    notifier->setParent(this);

    connect(notifier,

        SIGNAL(entryChanged(CaEntry,ChangeType)),

        SLOT(onEntryChanged(CaEntry,ChangeType)), 

        Qt::QueuedConnection);

/*!

    \internal

*/

void HsShortcutWidget::updateVisibility()

{

    setVisible(!mCaEntry->flags().testFlag(MissingEntryFlag));

}