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:   Videolist sort filter proxy stub implementation

    15 *

    16 */

    17 

    18 #ifndef VIDEOPROXYMODELGENERIC_H

    19 #define VIDEOPROXYMODELGENERIC_H

    20 

    21 #include <qsortfilterproxymodel.h>

    22 #include <QString>

    23 #include <QList>

    24 #include <mpxitemid.h>

    25 

    26 class VideoProxyModelGeneric : public QSortFilterProxyModel

    27 {

    28     Q_OBJECT

    29 

    30 public:

    31 

    32     /**

    33      * Contructor.

    34      *

    35      * @param parent parent of this widget

    36      */

    37     VideoProxyModelGeneric(QObject *parent=0);

    38 

    39     /**

    40      * Destructor.

    41      *

    42      */

    43     virtual ~VideoProxyModelGeneric();

    44     

    45 public:

    46 

    47     /**

    48      * Method checks that model exists and asks for mpx id from

    49      * given object.

    50      *

    51      * @param index index of the item.

    52      * @return int mpx id if succeeds, -1 in case of error

    53      *

    54      */

    55     TMPXItemId getMediaIdAtIndex(QModelIndex index);

    56 

    57     /**

    58      * Returns filepath.

    59      * 

    60      * @param mediaId id for the item, only iId1 is used.

    61      * @returns file path for the item.

    62      */

    63     QString getMediaFilePathForId(TMPXItemId mediaId);

    64 

    65     /**

    66     * Return to collection level

    67     *

    68     */

    69     void back();

    70     

    71     /**

    72      * Return source model.

    73      * 

    74      */

    75     VideoProxyModelGeneric* sourceModel();    

    76 

    77 public: // Simplified data access.

    78     /**

    79     * Return count of filenames.

    80     *

    81     */

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

    83 

    84     /**

    85      * Return specified index.

    86      *

    87      */

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

    89 

    90     /**

    91      * Returns copy of the given index.

    92      *

    93      */

    94     QModelIndex mapToSource(const QModelIndex &proxyIndex) const;

    95 

    96 signals:

    97 

    98     /**

    99      * Signals that the model is ready, ie. that all data has been

   100      * loaded from myvideoscollection.

   101      */

   102     void modelReady();

   103     

   104     /**

   105      * notifies that model's physical data structure has changed:

   106      * - item inserted

   107      * - item removed 

   108      */

   109     void modelChanged();    

   110     

   111 public: // Test helper methods.

   112 

   113     static void reset();

   114 

   115     void appendData(QString fileName);

   116 

   117 protected: // from QSortFilterProxyModel

   118 

   119     /**

   120      * Compares items based in the role setted before sorting.

   121      *

   122      */

   123     bool lessThan ( const QModelIndex & left, const QModelIndex & right ) const;

   124 

   125 public:

   126 

   127     // Incremented at rowCount calls.

   128     static int mRowCountCallCount;

   129 

   130     // If true index() returns invalid indexes.

   131     static bool mReturnInvalidIndexes;

   132 

   133     // Model items.

   134     QList<QString> mFileNames;

   135 };

   136 

   137 #endif // VIDEOPROXYMODELGENERIC_H