logsui/logsapp/inc/logseffecthandler.h
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Fri, 16 Apr 2010 14:53:18 +0300
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/*
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* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description:
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*
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*/
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#ifndef LOGSEFFECTHANDLER_H
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#define LOGSEFFECTHANDLER_H
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#include <QObject>
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#include <QPointF>
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class QPropertyAnimation;
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class QEasingCurve;
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class QSequentialAnimationGroup;
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class QAbstractAnimation;
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class LogsEffectContainer;
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/**
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 * 
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 */
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class LogsEffectHandler : public QObject
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{
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    Q_OBJECT
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    friend class UT_LogsEffectHandler;
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    friend class UT_LogsRecentCallsView;
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public:
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    explicit LogsEffectHandler();
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    ~LogsEffectHandler();
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    void startDissappearAppearByFadingEffect(QObject& effectTarget);
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    void startDissappearAppearByMovingEffect(
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        QObject& effectTarget, QObject& secondaryEffectTarget, bool dissappearToLeft, int origX);
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signals:
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    void dissappearByMovingComplete();
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    void dissappearByFadingComplete();
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private slots:
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    void moveAnimationChanged(QAbstractAnimation *currentAnimation);
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    void fadeAnimationChanged(QAbstractAnimation *currentAnimation);
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private:
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    void doStartDissappearAppearByMovingEffect(
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        QSequentialAnimationGroup& group, QObject& effectTarget, 
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        bool dissappearToLeft, int origX);
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    void initAppearByMovingEffect(QPropertyAnimation& animation, QObject* effectTarget,
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                                  bool appearFromLeft, int origX);
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    void initDissappearByMovingEffect(QPropertyAnimation& animation, QObject* effectTarget, 
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                                      bool dissappearToLeft, int origX); 
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    void initOpacityEffect(
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            QPropertyAnimation& animation, QObject* effectTarget, 
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            qreal startVal, qreal endVal, int duration);
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    void initMoveHorizontallyEffect(
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            QPropertyAnimation& animation, QObject* effectTarget, 
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            int startVal, int endVal, int duration, const QEasingCurve& easingCurve);
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private:
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    QPropertyAnimation* mItemAppearByFadingAnimation;
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    QPropertyAnimation* mItemDissappearByFadingAnimation;
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    QSequentialAnimationGroup* mMoveGroup;
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    QSequentialAnimationGroup* mMoveGroup2;
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    QSequentialAnimationGroup* mFadeGroup;
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};
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#endif // LOGSEFFECTHANDLER_H