/*

* 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 <QGraphicsColorizeEffect>

#include <QPropertyAnimation>

#include <hbcolorscheme.h>

#include <hbevent.h>

#include "logspageindicatoritem.h"

#include "logslogger.h"

const char logsNormalIconName[]    = "qtg_mono_tab_passive";

const char logsHighlightIconName[] = "qtg_mono_tab_active";

const char logsIconColor[] = "qtc_viewtitle_normal"; //groupbox text color

const int logsEffectDurationInMs = 1000;

// -----------------------------------------------------------------------------

//

// -----------------------------------------------------------------------------

//

LogsPageIndicatorItem::LogsPageIndicatorItem(bool active, QGraphicsItem *parent)

  : HbIconItem(parent),

    mIsActive(active)

{

    if (active) {

        setIcon(HbIcon(logsHighlightIconName));

    } else {

        setIcon(HbIcon(logsNormalIconName));

    }

    setFlags(HbIcon::Colorized);

    updateColor();

    QGraphicsColorizeEffect *effect = new QGraphicsColorizeEffect;

    effect->setColor(Qt::white);

    effect->setStrength(0);

    effect->setEnabled(false);

    setGraphicsEffect(effect);

}

// -----------------------------------------------------------------------------

//

// -----------------------------------------------------------------------------

//

LogsPageIndicatorItem::~LogsPageIndicatorItem()

{

}

// -----------------------------------------------------------------------------

//

// -----------------------------------------------------------------------------

//

void LogsPageIndicatorItem::setActive(bool active)

{

    if (mIsActive != active) {

        mIsActive = active;

        if (mIsActive) {

            setIcon(HbIcon(logsHighlightIconName));

            startAnimation();

        } else {

            setIcon(HbIcon(logsNormalIconName));

            updateColor();

        }

    }

}

// -----------------------------------------------------------------------------

//

// -----------------------------------------------------------------------------

//

bool LogsPageIndicatorItem::isActive() const

{

    return mIsActive;

}

// -----------------------------------------------------------------------------

//

// -----------------------------------------------------------------------------

//

void LogsPageIndicatorItem::changeEvent(QEvent * event)

{

    if (event->type() == HbEvent::ThemeChanged) {

        LOGS_QDEBUG( "logs [UI] LogsPageIndicatorItem::changeEvent(), themeChanged" );

        updateColor();

    }

    HbIconItem::changeEvent(event);

}

// -----------------------------------------------------------------------------

//

// -----------------------------------------------------------------------------

//

void LogsPageIndicatorItem::updateColor()

{

    QColor col = HbColorScheme::color(logsIconColor);

    if (col.isValid() && (color() != col) ) {

        setColor(col);

        LOGS_QDEBUG_2( "logs [UI] LogsPageIndicatorItem::updateColor(), color: ", col );

    }

}

// -----------------------------------------------------------------------------

//

// -----------------------------------------------------------------------------

//

void LogsPageIndicatorItem::startAnimation()

{

    graphicsEffect()->setEnabled(true);

    setTransformOriginPoint(rect().center());

    QPropertyAnimation *animation = 

        new QPropertyAnimation(graphicsEffect(), "strength");

    animation->setDuration(logsEffectDurationInMs);

    animation->setKeyValueAt(0.2, 1);

    animation->setEndValue(0);

    connect(animation, SIGNAL(finished()), SLOT(animationFinished()));

    animation->start(QAbstractAnimation::DeleteWhenStopped);

}

// -----------------------------------------------------------------------------

//

// -----------------------------------------------------------------------------

//

void LogsPageIndicatorItem::animationFinished()

{

    graphicsEffect()->setEnabled(false);

    updateColor();

}