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:   ?Description

    15 *

    16 */

    17 

    18 

    19 

    20 #ifndef GLXCOVERFLOW_H

    21 #define GLXCOVERFLOW_H

    22 

    23 #define NBR_ICON_ITEM 5

    24 

    25 #include <hbscrollarea.h>

    26 #include <hbeffect.h>

    27 

    28 //forward declaration

    29 class HbIconItem;

    30 class HbMainWindow;

    31 class QAbstractItemModel;

    32 

    33 typedef enum

    34 {

    35     NO_MOVE,

    36     TAP_MOVE,

    37     LEFT_MOVE,

    38     RIGHT_MOVE,

    39     LONGPRESS_MOVE,

    40 } GlxUserMove;

    41 

    42 typedef enum

    43 {

    44     TAP_EVENT, //send the signal when user tap on full screen

    45     PANNING_START_EVENT, //send the signal when panning of full screen start

    46     EMPTY_ROW_EVENT //send the signal when model have no data

    47 } GlxCoverFlowEvent;

    48 

    49 class GlxCoverFlow : public HbScrollArea

    50 {

    51 Q_OBJECT

    52 

    53 public :

    54 	GlxCoverFlow (QGraphicsItem *parent = NULL);

    55 	~GlxCoverFlow ();

    56     void setItemSize (QSize &size);

    57     void setModel (QAbstractItemModel *model);

    58     void indexChanged (int index);

    59     void setUiOn(bool uiOn) { mUiOn = uiOn; }

    60     void partiallyClean();

    61     void partiallyCreate(QAbstractItemModel *model, QSize itemSize);

    62 	void rotateImage();

    63     void setCoverFlow();

    64     void ClearCoverFlow();

    65 		    

    66 public slots:

    67     void rotationEffectFinished( const HbEffect::EffectStatus &status );

    68 

    69 signals :

    70     void coverFlowEvent(GlxCoverFlowEvent e);

    71     void changeSelectedIndex(const QModelIndex &index);

    72     void autoLeftMoveSignal();

    73     void autoRightMoveSignal();

    74 

    75 protected slots:

    76     void panGesture ( const QPointF & delta )  ;

    77     void leftGesture (int value);

    78     void rightGesture (int value) ;

    79     void longPressGesture(const QPointF &point) ;

    80     void dataChanged(QModelIndex startIndex, QModelIndex endIndex);

    81     void rowsInserted(const QModelIndex &parent, int start, int end);

    82     void rowsRemoved(const QModelIndex &parent, int start, int end);

    83     void autoLeftMove();

    84     void autoRightMove();

    85 

    86 protected:

    87     void mousePressEvent(QGraphicsSceneMouseEvent *event);	

    88     void mouseReleaseEvent (QGraphicsSceneMouseEvent *event) ;

    89 

    90     void move(int value);

    91 

    92     void setRows() ;

    93     void setStripLen();

    94     int calculateIndex(int index);

    95     

    96     void loadIconItems (); 

    97     void updateIconItem (qint16 selIndex, qint16 selIconIndex, qint16 deltaX);

    98     

    99     //clear all the model connection

   100     void clearCurrentModel();

   101     //add the connection to the model

   102     void initializeNewModel();

   103     //reset all the data of cover flow

   104     void resetCoverFlow();

   105 	

   106 private slots:

   107 

   108 private:

   109 	HbIconItem *mIconItem[NBR_ICON_ITEM];      //at most contain only five item

   110     qint16 mSelItemIndex;                    // current full screen index

   111     qint16 mRows;                        // total number of item  

   112     //QModelIndex mIndex;                  //current model index of seleced item

   113     qint16 mSelIndex;                    // remove once model concept is integreted

   114     qint32 mStripLen;                    //virtual strip lenght

   115     qint32 mCurrentPos;                   //current postion in the virtual strip

   116     QSize mItemSize;                     //hb icon item size

   117     bool mUiOn;

   118     int mBounceBackDeltaX;

   119     QAbstractItemModel *mModel;

   120     GlxUserMove mMoveDir;                       //arun_goel3 may be remove later or change later

   121 	int rotAngle;

   122         

   123 };

   124 

   125 #endif /* GLXCOVERFLOW_H_ */