author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Tue, 31 Aug 2010 15:14:51 +0300 | |
branch | RCL_3 |
changeset 59 | 8e5f6eea9c9f |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). |
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* All rights reserved. |
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* This component and the accompanying materials are made available |
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* under the terms of "Eclipse Public License v1.0" |
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* which accompanies this distribution, and is available |
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* at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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* |
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* Initial Contributors: |
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* Nokia Corporation - initial contribution. |
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* |
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* Contributors: |
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* |
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* Description: ?Description |
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* |
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*/ |
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#ifndef GLXMEDIAMODEL_H |
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#define GLXMEDIAMODEL_H |
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#include <QAbstractItemModel> |
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#include <glxuistd.h> |
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#include <QDateTime> |
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#include <glxexternalinterfacedefs.h> |
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//forward declarations |
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|
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#ifdef BUILD_MEDIAMODEL |
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#define GLX_MEDIAMODEL_EXPORT Q_DECL_EXPORT |
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#else |
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#define GLX_MEDIAMODEL_EXPORT Q_DECL_IMPORT |
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#endif |
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class HbIcon; |
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class GlxModelParm; |
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class GlxMLWrapper; |
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class GlxDRMUtilityWrapper; |
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#include <QCache> |
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#include <QVector> |
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|
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class GLX_MEDIAMODEL_EXPORT GlxMediaModel : public QAbstractItemModel |
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{ |
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Q_OBJECT |
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public : |
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/** |
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* Constructor |
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* @param - model parm struct collectionID, depth, filter, context mode etc |
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*/ |
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GlxMediaModel( GlxModelParm & modelParm ); |
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/** |
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* Destructor |
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*/ |
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~GlxMediaModel(); |
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/** |
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* rowCount() - return the number of rows in the model. |
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* @param - parent model index, not used |
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*/ |
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int rowCount( const QModelIndex &parent = QModelIndex() ) const; |
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/** |
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* columnCount() - return 1 |
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* @param - parent model index, not used |
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*/ |
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int columnCount( const QModelIndex &parent = QModelIndex() ) const; |
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/** |
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* parent() - return the model index of the child. |
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* It always return invalid model index since no there is no parent |
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*/ |
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QModelIndex parent( const QModelIndex &child ) const; |
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/** |
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* data() - return the data of corresponding role. |
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* @param - model index of interested item. |
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* @param - role of corresponding data. |
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*/ |
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QVariant data( const QModelIndex &index, int role ) const; |
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/** |
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* setData() - to set the data for corresponding item and role. |
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* @param - model index of interested item. |
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* @param - data of the item |
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* @param - role of corresponding data. |
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*/ |
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bool setData ( const QModelIndex & index, const QVariant & value, int role = Qt::EditRole ); |
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/** |
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* index - create a new model index for an item. |
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* @param - row index of the item. |
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* @param - column index of the item, it is always one. |
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*/ |
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QModelIndex index( int row, int column, const QModelIndex &parent = QModelIndex() ) const; |
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/** |
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* addExternalItems() - for setting external image data to the model. |
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*/ |
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void addExternalItems( GlxExternalData* externalItems ); |
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/** |
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* clearExternalItems() - for removing all external image data from the model. |
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*/ |
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void clearExternalItems(); |
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signals : |
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/** |
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* albumTitleAvailable() - emit this signal when album title is available. |
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* @parma - album title |
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*/ |
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void albumTitleAvailable( QString aTitle ); |
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/** |
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* populated() - emit this signal once medialist is populated |
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*/ |
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void populated(); |
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/** |
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* thumbnailPopulated() - emit the signal once some initial page of thumbnail are loaded |
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* into cache. |
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*/ |
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void thumbnailPopulated(); |
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/** |
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* iconAvailable() - emit the signal to update the icon in the cache. |
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* @param - item index |
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* @param - HbIcon |
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* @param - media list context type |
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*/ |
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void iconAvailable( int itemIndex, HbIcon* itemIcon, GlxTBContextType tbContextType ) const; |
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/** |
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* updateDetailsView() - emit the signal to update the details view |
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*/ |
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void updateDetailsView(); |
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private: |
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/** |
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* GetGridIconItem() - To fetch the grid size thumbnail |
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* @param - item index |
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* @param - media list context type |
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* @return - return the hbicon of the item |
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*/ |
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HbIcon* GetGridIconItem( int itemIndex, GlxTBContextType tbContextType ) const; |
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/** |
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* GetFsIconItem() - To fetch the full screen size thumbnail |
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* @param - item index |
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* @param - media list context type |
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* @return - return the hbicon of the item |
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*/ |
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HbIcon* GetFsIconItem( int itemIndex,GlxTBContextType tbContextType )const; |
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/** |
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* GetExternalIconItem() - To fetch the grid size thumbnail of external item. |
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* @param - item index |
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* @param - media list context type |
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* @return - return the hbicon of the item |
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*/ |
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HbIcon* GetExternalIconItem( int itemIndex,GlxTBContextType tbContextType )const; |
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/** |
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* setContextMode() - for setting the attribute context mode will be used mainly for |
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* retreiving thumbnail of different sizes. |
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*/ |
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void setContextMode( GlxContextMode contextMode ); |
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/** |
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*removeContextMode() - Removes the context |
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*/ |
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void removeContextMode( GlxContextMode contextMode ); |
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/** |
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* setFocusIndex() - To set the focus index in medialist |
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* @param - selected item index( focus index ) |
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*/ |
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void setFocusIndex( const QModelIndex &index ); |
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/** |
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* getFocusIndex() - Retrun the focus index from the medialist. |
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* @return - focus index. |
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*/ |
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QModelIndex getFocusIndex() const; |
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/** |
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* setSelectedIndex() - To make the item as seleted in media list to perform some coomand. |
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* @param - selected item index |
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*/ |
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void setSelectedIndex( const QModelIndex &index ); |
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/** |
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* getCorruptDefaultIcon() - IT will return the corrupt icon if item is corrupted else return the |
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* default item. |
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* @param - item index |
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*/ |
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HbIcon *getCorruptDefaultIcon ( const QModelIndex &index ) const; |
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/** |
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* thumbnailPopulatedCheck() - To check the some initial page of item is loaded into cache or not |
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* @param - loaded thumbnail image index in cache. |
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*/ |
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void thumbnailPopulatedCheck( int index ); |
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public slots: |
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/** |
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* itemUpdated() - call back fuction, when thumbnail is added into cache. |
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* It remove the icon from the local cache and emit the signal of data change. |
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* @param - item index |
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* @param - media list context type |
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*/ |
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void itemUpdated( int mlIndex, GlxTBContextType tbContextType ); |
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/** |
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* itemsAdded() - call back function when new items are added into collection. |
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* @param - start index of the newly added item |
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* @param - end endex of the newlyadd item |
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*/ |
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void itemsAdded( int startIndex, int endIndex ); |
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/** |
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* itemsRemoved() - call back function when some item are removed from the collection. |
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* @param - start index of the remove items |
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* @param - end endex of the remove items |
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*/ |
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void itemsRemoved( int startIndex, int endIndex ); |
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/** |
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* itemCorrupted() - call back function, when a item is corrupted. |
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* @param - index of the corrupt item |
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*/ |
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void itemCorrupted( int itemIndex ); |
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/** |
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* albumTitleUpdated() - call back function, when a album collection title is available. |
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* @param - title of the album. |
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*/ |
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void albumTitleUpdated( QString aTitle ); |
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/** |
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* modelpopulated() - callback function, when meida list item is populated. |
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* It set the visual window index and emit the signal to view about it. |
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*/ |
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void modelpopulated(); |
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/** |
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* updateDetailItems() - Emits signal to update the details view |
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*/ |
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void updateDetailItems(); |
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private slots: |
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/** |
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* updateItemIcon() - update the icon into local cache. |
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* @param - item index |
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* @param - HbIcon |
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* @param - media list context type |
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*/ |
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void updateItemIcon( int itemIndex, HbIcon* itemIcon, GlxTBContextType tbContextType ); |
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private: |
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GlxMLWrapper* mMLWrapper; |
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QCache<int, HbIcon> itemIconCache; |
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QCache<int, HbIcon> itemFsIconCache; |
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HbIcon* m_DefaultIcon; |
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HbIcon* m_CorruptIcon; |
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GlxContextMode mContextMode; |
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//for external data to be populated by model |
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GlxExternalData* mExternalItems; |
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QCache<int, HbIcon> itemExternalIconCache; |
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int externalDataCount; |
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int mFocusIndex; |
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int mSubState; |
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GlxDRMUtilityWrapper* mDRMUtilityWrapper; |
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int mTempVisibleWindowIndex; |
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bool thumbnailPopulatedFlag; |
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bool mPaintPage; |
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}; |
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#endif /* GLXMEDIAMODEL_H_ */ |