/*

* Copyright (c) 2010 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:  Silent widget

*

*/

// System includes

#include <HbPushButton>

#include <QGraphicsLinearLayout>

#include <HbStyle>

#include <HbDocumentLoader>

#include <HbFrameItem>

#include <HbFrameDrawer>

#include <xqsettingsmanager.h>

#include <ProfileEngineInternalCRKeys.h>

// User includes

#include "silentwidget.h"

#include "silentwidgetconsts.h"

#include "silentmodel.h"

#include "silentobserver.h"

/*!

    \class SilentWidget

    \implementation for silent widget

    This class is used to create silent widget

*/

// ======== MEMBER FUNCTIONS ========

/*!

    Constructor

*/

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

    : HbWidget(parent, flags),

      mButton(0),

      mModel(new SilentModel),

      mObserver(new SilentObserver(this))

{

    QGraphicsLinearLayout *mainLayout = new QGraphicsLinearLayout(

        Qt::Vertical, this);

    // load the widget from .docml

    HbDocumentLoader loader; 

    bool ok = false; 

    loader.load(":/docml/silentdocml", &ok); 

    if (!ok) {

        // fail to load .docml file

        return;

    }

    mButton = (HbPushButton *) loader.findWidget("pushButton");

    if (!mButton) {

        // fail to find push button

        return;

    }

    // set icon and background

    HbFrameDrawer *background = new HbFrameDrawer("qtg_fr_hsshortcut_normal", 

            HbFrameDrawer::NinePieces);

    mButton->setFrameBackground(background);

    HbFrameDrawer *foreground;

    if (mModel->silenceMode()) {  

        foreground = new HbFrameDrawer("qtg_large_tone_off", 

                HbFrameDrawer::NinePieces);

    } else {

        foreground = new HbFrameDrawer("qtg_large_tone", 

                HbFrameDrawer::NinePieces);

    }

    HbFrameItem* frameItem = new HbFrameItem(foreground);

    mButton->setBackgroundItem(frameItem);

    mButton->setCheckable(true);

    mainLayout->addItem(mButton);

    connect(mButton, SIGNAL(toggled(bool)), this, SLOT(handleClickEvent(bool)));

    setLayout(mainLayout);

    // create XQSettingsManager, monitor KProEngSilenceMode

    mSettingManager = new XQSettingsManager();

    XQCentralRepositorySettingsKey silenceKey(KCRUidProfileEngine.iUid,

        KProEngSilenceMode);

    mSettingManager->startMonitoring(silenceKey, XQSettingsManager::TypeInt);

    connect(mSettingManager, SIGNAL(valueChanged(XQSettingsKey, QVariant)),

            this, SLOT(settingValueChanged(XQSettingsKey, QVariant)));

}

/*!

    Monitor KProEngSilenceMode

*/

void SilentWidget::settingValueChanged(const XQSettingsKey &key, 

        const QVariant &value)

{

    // change icon according to latest silence mode

    if (key.uid() == KCRUidProfileEngine.iUid && key.key() == KProEngSilenceMode) {      

        HbFrameDrawer *foreground;

        if (value.toBool()) {      

            foreground = new HbFrameDrawer("qtg_large_tone_off", 

                HbFrameDrawer::NinePieces);

        } else {

            foreground = new HbFrameDrawer("qtg_large_tone", 

                HbFrameDrawer::NinePieces);

        }

        HbFrameItem* frameItem = new HbFrameItem(foreground);

        mButton->setBackgroundItem(frameItem);

    }

}

/*!

    Handle click events

*/

void SilentWidget::handleClickEvent(bool /*state*/)

{

    // switch icon and activate silece state 

    HbFrameDrawer *foreground;

    if (!mModel->silenceMode()) {

        mModel->setSilenceMode(true);

        foreground = new HbFrameDrawer("qtg_large_tone_off", 

                        HbFrameDrawer::NinePieces);

    } else {

        mModel->setSilenceMode(false);

        foreground = new HbFrameDrawer("qtg_large_tone", 

                        HbFrameDrawer::NinePieces);

    }

    HbFrameItem* frameItem = new HbFrameItem(foreground);

    mButton->setBackgroundItem(frameItem);

}

/*!

    Change icon according to observer event

*/

void SilentWidget::changeIcon()

{

    HbFrameDrawer *foreground;

    if (mModel->silenceMode()) {

        foreground = new HbFrameDrawer("qtg_large_tone_off", 

                    HbFrameDrawer::NinePieces);

    } else {

        foreground = new HbFrameDrawer("qtg_large_tone", 

                            HbFrameDrawer::NinePieces);

    }

    HbFrameItem* frameItem = new HbFrameItem(foreground);

    mButton->setBackgroundItem(frameItem);

}

/*!

    Destructor

*/

SilentWidget::~SilentWidget()

{

    if (mModel) {

        delete mModel;

        mModel = NULL;

    }

    if (mSettingManager) {

        delete mSettingManager;

        mSettingManager = NULL;

    }

}

/*!

    Return bounding rect

*/

QRectF SilentWidget::boundingRect() const

{

    return childrenBoundingRect();

}

/*!

    Return shape

*/

QPainterPath SilentWidget::shape() const

{   

    QPainterPath path;

    path.addRect(boundingRect());

    return path;

}

/*!

    Called when widget is shown in the home screen

*/

void SilentWidget::onShow()

{

}

/*!

    Called when widget is hidden from the home screen

*/

void SilentWidget::onHide()

{

}