1 /*

     2 * Copyright (c) 2010 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 

    19 #ifndef __GINEBRA_VISIBILITYANIMATOR_H__

    20 #define __GINEBRA_VISIBILITYANIMATOR_H__

    21 

    22 #include <QObject>

    23 

    24 class QTimeLine;

    25 

    26 namespace GVA {

    27 class ChromeSnippet;

    28 

    29 /**

    30  * \brief Base class for visibility animation delegates

    31  * 

    32  * \sa ChromeSnippet::setVisibilityAnimator()

    33  */

    34 

    35 class VisibilityAnimator : public QObject

    36 {

    37    Q_OBJECT

    38 

    39  public:

    40   VisibilityAnimator(ChromeSnippet* snippet) : m_snippet(snippet), m_timeLine(0), m_visible(true){}

    41   virtual ~VisibilityAnimator();

    42   static VisibilityAnimator * create(const QString & name, ChromeSnippet* snippet);

    43   void setVisible(bool visible, bool animate = true);

    44   void setTimeline(QTimeLine * timeline){m_timeLine = timeline;}

    45  public slots:

    46   virtual void updateVisibility(qreal step) = 0;

    47  private slots:

    48   void onFinished();

    49  signals:

    50   void started(bool visible);

    51   void finished(bool visible);

    52   void moving(qreal delta);

    53  protected:

    54   ChromeSnippet* m_snippet;

    55   QTimeLine *m_timeLine;

    56   bool m_visible;

    57 };

    58 

    59 }

    60 #endif