/*

* 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 LCEFFECTHANDLER_H

#define LCEFFECTHANDLER_H

#include <QObject>

#include <hbeffect.h>

class HbWidget;

class LcUiEngine;

/**

 * 

 */

class LcEffectHandler : public QObject

{

    Q_OBJECT

    friend class UT_LcEffectHandler;

    friend class UT_LcView;

public:

    enum DissapperEffect{

        NormalDissappear,

        DissappearToFlip

    };

    explicit LcEffectHandler(LcUiEngine& engine,

                             HbWidget* sharedVideo, 

                             HbWidget* sharedVideoOverlay,

                             HbWidget* receivedVideo,

                             HbWidget* receivedVideoOverlay);

    ~LcEffectHandler();

    void setVisibility(HbWidget* widget, bool visible);

    void setDissappearEffect( LcEffectHandler::DissapperEffect aEffectType );

    bool isSwapInProgress();

    void startEffects();

signals:

    void swapCompleted();

    void loadSwapLayout();

public slots:

    void showSendWindow();

    void showReceiveWindow();

    void hideSendWindow();

    void hideReceiveWindow();

    void windowAppearComplete( HbEffect::EffectStatus status );

    void windowDisappearComplete( HbEffect::EffectStatus status );

    void windowDisappearToFlipComplete( HbEffect::EffectStatus status );

    void windowFlipComplete( HbEffect::EffectStatus status );

    void windowSwapSharedComplete( HbEffect::EffectStatus status );

    void windowSwapReceivedComplete( HbEffect::EffectStatus status );

    void swap();

private:

    void startEffect( HbWidget* widget, const char *effectId, const char *callBack = "" );

    const char* selectSwapEffect( HbWidget* widget );

    bool isSharedVideoAtTop() const;

    bool videosSideBySide() const;

    void handleSwapCompletion();

    void initializeSwap();

private: //data 

    LcUiEngine& mEngine;

    HbWidget* mSharedVideo;

    HbWidget* mSharedVideoOverlay;

    HbWidget* mReceivedVideo;

    HbWidget* mReceivedVideoOverlay;

    QString mEffectCallBack;

    bool mSwapSharedCompleted;

    bool mSwapReceivedCompleted;

    bool mSwapInProgress;

};

#endif // LCEFFECTHANDLER_H