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 GLXMEDIAMODEL_H

    21 #define GLXMEDIAMODEL_H

    22 

    23 #include <QAbstractItemModel>

    24 #include <glxmlwrapper.h>

    25 #include <glxuistd.h>

    26 #include <QDateTime>

    27 #include <glxexternalinterfacedefs.h>

    28 //forward declarations

    29 

    30 #ifdef BUILD_MEDIAMODEL

    31 #define GLX_MEDIAMODEL_EXPORT Q_DECL_EXPORT

    32 #else

    33 #define GLX_MEDIAMODEL_EXPORT Q_DECL_IMPORT

    34 #endif

    35 

    36 class HbIcon;

    37 class GlxModelParm;

    38 #include <QCache>

    39 #include <QVector>

    40 

    41 class GLX_MEDIAMODEL_EXPORT GlxMediaModel : public QAbstractItemModel

    42 {

    43 Q_OBJECT

    44 public :	

    45 	

    46     GlxMediaModel(GlxModelParm & modelParm);

    47     ~GlxMediaModel();

    48     int rowCount(const QModelIndex &parent = QModelIndex()) const;

    49     int columnCount(const QModelIndex &parent = QModelIndex()) const;

    50     QModelIndex parent(const QModelIndex &child) const;

    51     QVariant data(const QModelIndex &index, int role) const;

    52     bool setData ( const QModelIndex & index, const QVariant & value, int role = Qt::EditRole);

    53     QModelIndex index(int row, int column, const QModelIndex &parent = QModelIndex()) const;

    54 

    55 	/*

    56 	*for setting external image data to the model. 

    57 	*/

    58 	void addExternalItems(GlxExternalData* externalItems);

    59 	/*

    60 	*for removing all external image data from the model. 

    61 	*/

    62 	void clearExternalItems();

    63 	/*

    64 	* for checking if the item is editab

    65 	*/

    66 

    67 private:

    68 	HbIcon* GetGridIconItem(int itemIndex, GlxTBContextType tbContextType) const;

    69 	HbIcon* GetFsIconItem(int itemIndex,GlxTBContextType tbContextType)const;

    70 	HbIcon* GetExternalIconItem(int itemIndex,GlxTBContextType tbContextType)const;

    71 /**

    72  * for setting the attribute context mode will be used mainly for retreiving thumbnail of different sizes.

    73  */

    74     void setContextMode(GlxContextMode contextMode);

    75     void setFocusIndex(const QModelIndex &index);

    76     QModelIndex getFocusIndex() const;

    77     void setSelectedIndex(const QModelIndex &index);

    78 

    79 

    80 	

    81 signals :

    82     void iconAvailable(int itemIndex, HbIcon* itemIcon, GlxTBContextType tbContextType) const;

    83 public slots:

    84 	void itemUpdated1(int mlIndex, GlxTBContextType tbContextType);

    85 	void itemsAdded(int startIndex, int endIndex);

    86 	void itemsRemoved(int startIndex, int endIndex);

    87 	void itemCorrupted(int itemIndex);

    88 protected:

    89 	

    90 private slots:

    91     void updateItemIcon(int itemIndex, HbIcon* itemIcon, GlxTBContextType tbContextType);

    92 private:

    93 	Q_DECL_IMPORT GlxMLWrapper* mMLWrapper;	

    94 	QCache<int, HbIcon> itemIconCache;

    95 	QCache<int, HbIcon> itemFsIconCache;

    96 	HbIcon* m_DefaultIcon;

    97 	GlxContextMode mContextMode;

    98 	//for external data to be populated by model

    99 	GlxExternalData* mExternalItems;

   100 	QCache<int, HbIcon> itemExternalIconCache;

   101 	int externalDataCount;

   102 	int mFocusIndex;

   103 };

   104 

   105 

   106 #endif /* GLXMEDIAMODEL_H_ */