/*

* 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:

*

*/

#ifndef LOGSEFFECTHANDLER_H

#define LOGSEFFECTHANDLER_H

#include <QObject>

#include <QPointF>

class QPropertyAnimation;

class QEasingCurve;

class QSequentialAnimationGroup;

class QAbstractAnimation;

class LogsEffectContainer;

/**

 * 

 */

class LogsEffectHandler : public QObject

{

    Q_OBJECT

    friend class UT_LogsEffectHandler;

    friend class UT_LogsRecentCallsView;

public:

    ~LogsEffectHandler();

    void startDissappearAppearByFadingEffect(QObject& effectTarget);

    void startDissappearAppearByMovingEffect(

        QObject& effectTarget, QObject& secondaryEffectTarget, bool dissappearToLeft, 

        int origX, int secondaryOrigX);

    void startMoveNotPossibleEffect(QObject& effectTarget, bool moveLeft, int origX);

signals:

    void dissappearByMovingComplete();

    void dissappearByFadingComplete();

    void appearStarting();

    void appearByMovingComplete();  

private slots:

    void moveAnimationChanged(QAbstractAnimation *currentAnimation);

    void fadeAnimationChanged(QAbstractAnimation *currentAnimation);

private:

    void doStartDissappearAppearByMovingEffect(

        QSequentialAnimationGroup& group, QObject& effectTarget, 

        bool dissappearToLeft, int origX);

    void initAppearByMovingEffect(QPropertyAnimation& animation, QObject* effectTarget,

                                  bool appearFromLeft, int origX);

    void initDissappearByMovingEffect(QPropertyAnimation& animation, QObject* effectTarget, 

                                      bool dissappearToLeft, int origX); 

    void initOpacityEffect(

            QPropertyAnimation& animation, QObject* effectTarget, 

            qreal startVal, qreal endVal, int duration);

    void initMoveHorizontallyEffect(

            QPropertyAnimation& animation, QObject* effectTarget, 

            int startVal, int endVal, int duration, const QEasingCurve& easingCurve);

private:

    QPropertyAnimation* mItemAppearByFadingAnimation;

    QPropertyAnimation* mItemDissappearByFadingAnimation;

    QPropertyAnimation* mItemMoveNotPossibleAnimationStart;

    QPropertyAnimation* mItemMoveNotPossibleAnimationEnd;

    QSequentialAnimationGroup* mMoveGroup;

    QSequentialAnimationGroup* mMoveGroup2;

    QSequentialAnimationGroup* mFadeGroup;

    QSequentialAnimationGroup* mMoveNotPossibleGroup;

};

#endif // LOGSEFFECTHANDLER_H