messagingapp/msgui/unifiedviewer/inc/univiewerpixmapwidget.h
changeset 37 518b245aa84c
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25:84d9eb65b26f 37:518b245aa84c
       
     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: This widget displays the pixmap content in viewer.
       
    15  *
       
    16  */
       
    17 
       
    18 #ifndef UNI_VIEWER_PIXMAP_WIDGET_H
       
    19 #define UNI_VIEWER_PIXMAP_WIDGET_H
       
    20 
       
    21 #include <HbIconItem>
       
    22 
       
    23 // FORWARD DECLARATIONS
       
    24 class UniViewerUtils;
       
    25 class UniMessageInfo;
       
    26 class ThumbnailManager;
       
    27 
       
    28 
       
    29 /**
       
    30  * This widget displays the pixmap content in viewer.
       
    31  */
       
    32 class UniViewerPixmapWidget: public HbIconItem
       
    33 {
       
    34 Q_OBJECT
       
    35 
       
    36 public:
       
    37 
       
    38     /**
       
    39      * Constructor
       
    40      */
       
    41     UniViewerPixmapWidget(QGraphicsItem *parent = 0);
       
    42 
       
    43     /**
       
    44      * Destructor
       
    45      */
       
    46     ~UniViewerPixmapWidget();
       
    47 
       
    48     /**
       
    49      * Sets the pixmap content to be displayed.
       
    50      * @param info Object information.
       
    51      */
       
    52     void populate(UniMessageInfo *info);
       
    53 
       
    54 signals:
       
    55 
       
    56     /**
       
    57      * Signal emitted when widget is clicked.
       
    58      * @param mediaPath File path of the media.
       
    59      */
       
    60     void shortTap(const QString &mediaPath);
       
    61 
       
    62     /**
       
    63      * Signal emitted when widget is long tapped.
       
    64      * @param position Scene coordinates of tap.
       
    65      */
       
    66     void longTap(const QPointF &position);
       
    67 
       
    68 protected:
       
    69 
       
    70     /**
       
    71      * Event handler for gesture events.
       
    72      * Reimplemented from HbWidgetBase.
       
    73      * @see HbWidgetBase
       
    74      */
       
    75     virtual void gestureEvent(QGestureEvent *event);
       
    76 
       
    77 private slots:
       
    78 
       
    79     /**
       
    80      *
       
    81      */
       
    82     void handleOpen();
       
    83 
       
    84     /**
       
    85      *
       
    86      */
       
    87     void handleSave();
       
    88 
       
    89     /**
       
    90      * Slot to regrab gesture after some delay (300 ms) to avoid multiple gesture
       
    91      * events back to back.  
       
    92      */
       
    93     void regrabGesture();
       
    94 
       
    95     /**
       
    96      * Slot hit when the thumbnail is ready.
       
    97      */
       
    98    void thumbnailReady(const QPixmap& pixmap, void *data, int id, int error);
       
    99 
       
   100 private:
       
   101 
       
   102     /**
       
   103      * Initialization function.
       
   104      */
       
   105     void init();
       
   106 
       
   107     /**
       
   108      * Handles short tap event.
       
   109      */
       
   110     void handleShortTap();
       
   111 
       
   112     /**
       
   113      * Handles long tap event.
       
   114      * @param position Scene coordinates of tap.
       
   115      */
       
   116     void handleLongTap(const QPointF &position);
       
   117 
       
   118 private:
       
   119 
       
   120     /**
       
   121      * UniViewerUtils object.
       
   122      * Own
       
   123      */
       
   124     UniViewerUtils *mViewerUtils;
       
   125 
       
   126     /**
       
   127      * ThumbnailManager
       
   128      * Own.
       
   129      */
       
   130    ThumbnailManager *mThumbnailManager;
       
   131 
       
   132     /**
       
   133      * Mime Type of pixmap.
       
   134      */
       
   135     QString mMimeType;
       
   136 
       
   137     /**
       
   138      * Pixmap file path being set.
       
   139      */
       
   140     QString mPixmapPath;
       
   141 };
       
   142 
       
   143 #endif /* UNI_VIEWER_PIXMAP_WIDGET_H */
       
   144 
       
   145 // EOF