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: Customized scroll area which handles dynamic slide loading in

    15  *              unifiedviewer

    16  *

    17  */

    18 #ifndef UNISCROLL_AREA_H

    19 #define UNISCROLL_AREA_H

    20 

    21 #include <hbwidget.h>

    22 #include <hbscrollarea.h>

    23 #include <qobject.h>

    24 #include <QTimer>

    25 

    26 class QGraphicsItem;

    27 /**

    28  * Customized scroll area which handles dynamic slide loading in unifiedviewer

    29  */

    30 class UniScrollArea : public HbScrollArea

    31 {

    32 Q_OBJECT

    33 

    34 public:

    35     /**

    36      * Constructor

    37      */

    38     UniScrollArea(QGraphicsItem * parent = 0);

    39 

    40     /**

    41      * Destructor

    42      */

    43     ~UniScrollArea();

    44 

    45 public:

    46 

    47     /**

    48      * Set the sroll area pos to the start

    49      */

    50     void setPosToStart();

    51 

    52 public slots:

    53     /**

    54      * Handle scrolling started signal

    55      */

    56     void handleScrollingStarted();

    57 

    58     /**

    59      * Handle scrolling started signal

    60      */

    61     void handleScrollingEnded();

    62 

    63     /**

    64      * Set total slides present in the contents widget

    65      * @param  totalSlides

    66      */

    67     void setTotalSlides(int totalSlides);

    68 

    69     /**

    70      * Resets the current slide to zero

    71      */

    72     void resetCurrentSlide();

    73 

    74     signals:

    75 

    76     /**

    77      * Sinal emitted when next slide is to be loaded

    78      */

    79     void scrolledToNextSlide();

    80 

    81     /**

    82      * Sinal emitted when previous slide is to be loaded

    83      */

    84     void scrolledToPreviousSlide();

    85 

    86 private:

    87 

    88     /**

    89      * current slide number

    90      */

    91     int mCurrentSlide;

    92 

    93     /**

    94      * Total slide count

    95      */

    96     int mTotalSlides;

    97 

    98     /**

    99      * Scrolling start pos

   100      */

   101     QPointF mScrollStartPoint;

   102 

   103     /**

   104      * Scrolling end pos

   105      */

   106     QPointF mScrollEndPoint;

   107 };

   108 

   109 #endif //UNISCROLL_AREA_H

   110 // EOF