/*

* Copyright (c) 2008 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 <QGraphicsSceneMouseEvent>

#include <HbStyle>

#include <HbStyleLoader>

#include <HbFrameItem>

#include <HbFrameDrawer>

#include <HbIconItem>

#include <HbTextItem>

#include <HbTouchArea>

#include <HbInstantFeedback>

#include "dialerwidgetengine.h"

#include "dialerwidget.h"

#include "qtphonelog.h"

#ifdef Q_OS_SYMBIAN

#include "qtphonelog.h"

#include <xqappmgr.h>

#include <xqservicerequest.h>

#include <xqpublishandsubscribeutils.h>

#include <xqrequestinfo.h>

#include <xqaiwdecl.h>

#endif

namespace

{

    const char KDialerWidgetIconNormal[] = "qtg_graf_hs_dialer_normal";

    const char KDialerWidgetIconPressed[] = "qtg_graf_hs_dialer_pressed";

    const char KMissedCallShortcutBadge[] = "qtg_fr_shortcut_badge_bg";

    const char KDialerWidgetWidgetml[] = ":/data/resource/dialerwidget.widgetml";

    const char KDialerWidgetCss[] = ":/data/resource/dialerwidget.css";

}

/*!

    \class DialerWidget

    \ingroup group_dialerwidgetplugin

    \brief Implementation for the homescreen dialer launcher.

*/

/*!

    Constructs dialer widget with given \a parent and given window \a flags.

*/

DialerWidget::DialerWidget(QGraphicsItem *parent, Qt::WindowFlags flags)

  : HsWidget(parent, flags),

    m_background(0), m_badgeBackground(0), m_text(0), m_touchArea(0),

    m_engine(0)

{   

    PHONE_TRACE 

}

/*!

    Destructor.

*/

DialerWidget::~DialerWidget()

{

}

/*!

    \fn void DialerWidget::startDialer()

    Starts dialer widget via view activation service.

*/

void DialerWidget::startDialer()

{

    PHONE_TRACE

#ifdef Q_OS_SYMBIAN

    PHONE_DEBUG("DialerWidget::startDialer");

    QList<QVariant> args;

    QString service;

    QString interface;

    QString operation;

    XQApplicationManager appManager;

    QScopedPointer<XQAiwRequest> request(appManager.create(service, interface, operation, false));

    if (request == NULL) {

        PHONE_TRACE1("service not found");

        return;

    }

    request->setArguments(args);

    bool ret = request->send();

    PHONE_TRACE2("request sent successfully:", ret);

#endif

}

void DialerWidget::onInitialize()

{

    PHONE_TRACE

    QT_TRY{

        // basic ui

        createPrimitives();

        Q_ASSERT(HbStyleLoader::registerFilePath(KDialerWidgetWidgetml));

        Q_ASSERT(HbStyleLoader::registerFilePath(KDialerWidgetCss));

        // Engine construction is 2 phased 

        m_engine = new DialerWidgetEngine();

        connect(m_engine, SIGNAL( exceptionOccured(const int&) )

                ,this, SLOT( onEngineException(const int&) ) );

        if(!m_engine->initialize()){

            //engine construction failed. Give up.

            emit error();

            return;

            }

        connect( m_engine, SIGNAL(missedCallsCountChanged(const int&)),

                this, SLOT(onMissedCallsCountChange(const int&)));

    }

    QT_CATCH(...){

        emit error();

    }

}

/*!

    \fn void DialerWidget::onShow()

    Shows the widget

*/

void DialerWidget::onShow()

{

    PHONE_TRACE

    updatePrimitives();

}

/*!

    \fn void DialerWidget::onHide()

    Hides the widget

*/

void DialerWidget::onHide()

{

    PHONE_TRACE

}

void DialerWidget::onUninitialize()

{

    PHONE_TRACE

    HbStyleLoader::unregisterFilePath(KDialerWidgetWidgetml);

    HbStyleLoader::unregisterFilePath(KDialerWidgetCss);

}

void DialerWidget::onEngineException(const int& exc)

{

    Q_UNUSED(exc);

    emit error();

}

void DialerWidget::onMissedCallsCountChange(const int& count)

{

    m_text->setText( QLocale::system().toString(count));

    if ( count ){

        m_text->setVisible(true);

        m_badgeBackground->setVisible(true);

    } else {

        m_text->setVisible(false);

        m_badgeBackground->setVisible(false);

    }

}

void DialerWidget::mousePressEvent(QGraphicsSceneMouseEvent *event)

{

    PHONE_TRACE;

    Q_UNUSED(event)

    setBackgroundToPressed();

}

void DialerWidget::handleMouseMoveEvent(QGraphicsSceneMouseEvent *event)

{

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

        setBackgroundToPressed();

    } else {

        setBackgroundToNormal();

    }

}

void DialerWidget::mouseReleaseEvent(QGraphicsSceneMouseEvent* event)

{

    PHONE_TRACE;

    Q_UNUSED(event);

    HbInstantFeedback::play(HbFeedback::Basic);

    setBackgroundToNormal();

    startDialer();    

}

bool DialerWidget::sceneEvent(QEvent *event)

{

    if (event->type() == QEvent::UngrabMouse) {

        setBackgroundToNormal();

    }

    return HsWidget::sceneEvent(event);;

}

HsWidget::StartResult DialerWidget::onStart()

{

    return StartResultRunning;

}

HsWidget::StopResult DialerWidget::onStop()

{

    return StopResultFinished;

}

HsWidget::SuspendResult DialerWidget::onSuspend()

{

    return SuspendResultSuspended;

}

HsWidget::ResumeResult DialerWidget::onResume()

{

    return ResumeResultRunning;

}

void DialerWidget::createPrimitives()

{   

    setPreferredSize(100,100);

    // Background

    if (!m_background) {

        HbFrameDrawer *drawer = new HbFrameDrawer(

            KDialerWidgetIconNormal, HbFrameDrawer::OnePiece);

        m_background = new HbFrameItem(drawer, this);

        style()->setItemName(m_background, QLatin1String("background"));

        m_background->moveBy(0,10);

        m_background->resize(81,81);

    }

    // Badge background

    if (!m_badgeBackground) {

        HbFrameDrawer *badgedrawer = new HbFrameDrawer(

            KMissedCallShortcutBadge, HbFrameDrawer::ThreePiecesHorizontal);

        m_badgeBackground = new HbFrameItem(badgedrawer, this);

        style()->setItemName(m_background, QLatin1String("badgeBackground"));

        m_badgeBackground->resize(20,20);

        m_badgeBackground->moveBy(70,0);

        m_badgeBackground->setVisible(true);

        m_badgeBackground->setVisible( false );

    }

    // Text

    if (!m_text) {

        m_text = new HbTextItem(this);

        style()->setItemName(m_text, QLatin1String("text"));

        m_text->resize(20,20);

        m_text->moveBy(76,0);

        m_text->setVisible(true);

        HbFontSpec *textFont = new HbFontSpec(HbFontSpec::Primary);

        textFont->setTextHeight(3*HbDeviceProfile::current().unitValue());

        m_text->setFontSpec(*textFont);

        m_text->setText("0");

        m_text->setVisible( false);

    }

    // Touch Area

    if (!m_touchArea) {

        m_touchArea = new HbTouchArea(this);

        m_touchArea->installEventFilter(this);

        style()->setItemName(m_touchArea, QLatin1String("touch_area"));

        m_touchArea->moveBy(0,10);

        m_touchArea->resize(81,81);

    }

}

void DialerWidget::setBackgroundToNormal()

{

    if (m_background) {

        m_background->frameDrawer().

            setFrameGraphicsName(KDialerWidgetIconNormal);

    }

}

void DialerWidget::setBackgroundToPressed()

{

    if (m_background) {

        m_background->frameDrawer().

            setFrameGraphicsName(KDialerWidgetIconPressed);

    }

}