1 /*

     2 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:

    15 *

    16 */

    17 

    18 #ifndef HSSNAPLINE_H

    19 #define HSSNAPLINE_H

    20 

    21 #include <QGraphicsLineItem>

    22 #include <QPen>

    23 #include "hsutils_global.h"

    24 

    25 #include "hstest_global.h"

    26 HOMESCREEN_TEST_CLASS(t_hsUtils)

    27 

    28 class QLineF;

    29 class QPropertyAnimation;

    30 

    31 class HSUTILS_EXPORT HsSnapLine : public QObject, public QGraphicsLineItem

    32 {

    33     Q_OBJECT

    34 public:

    35     HsSnapLine(QGraphicsItem *parent = 0);

    36     ~HsSnapLine();

    37 

    38 public:

    39     void setConfiguration(const QVariantHash &configuration);

    40     void hideLine();

    41     void showLine(const QLineF &snapLine);

    42 

    43 private:

    44     Q_DISABLE_COPY(HsSnapLine)

    45     void startFadeInAnimation();

    46     bool isFadeInAnimationRunning() const;

    47     void stopFadeInAnimation();

    48     void actionOnFadeInAnimationStop();

    49     void startFadeOutAnimation();

    50     bool isFadeOutAnimationRunning() const;

    51     void stopFadeOutAnimation();

    52     void actionOnFadeOutAnimationStop();

    53     int getFadeInDuration() { return (mFadeInAnimationDuration - mFadeInAnimationDuration*mOpacity); }

    54     int getFadeOutDuration() { return (mFadeOutAnimationDuration*mOpacity); }

    55 

    56 private slots:

    57     void fadeInAnimationFinished();

    58     void fadeOutAnimationFinished();

    59 

    60 private:

    61     QPropertyAnimation *mFadeInAnimation;

    62     QPropertyAnimation *mFadeOutAnimation;

    63     qreal mOpacity;

    64     int mFadeInAnimationDuration;

    65     int mFadeOutAnimationDuration;

    66 

    67     HOMESCREEN_TEST_FRIEND_CLASS(t_hsUtils)

    68 };

    69 

    70 #endif