messagingapp/msgui/msgaudiofetcher/inc/msgaudiofetchermodel.h
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     1 /*
       
     2  * Copyright (c) 2010 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:
       
    15  *     The header file for messaging's audio fetcher model
       
    16  *     
       
    17  */
       
    18 
       
    19 #ifndef MSGAUDIOFETCHERMODEL_H
       
    20 #define MSGAUDIOFETCHERMODEL_H
       
    21 
       
    22 // SYSTEM INCLUDES
       
    23 #include <QStandardItemModel>
       
    24 #include <QStringList>
       
    25 #include <QDir>
       
    26 
       
    27 // FORWARD DECLARATIONS
       
    28 class MsgAudioSelectionEngine;
       
    29 
       
    30 /**
       
    31  * @class MsgAudioFetcherModel
       
    32  * @brief This class is messaging's audio fetcher model
       
    33  */
       
    34 class MsgAudioFetcherModel : public QStandardItemModel
       
    35 {
       
    36 Q_OBJECT
       
    37 
       
    38 public:
       
    39     /**
       
    40      * Constructor
       
    41      */
       
    42     explicit MsgAudioFetcherModel(QObject *parent);
       
    43 
       
    44     /**
       
    45      * Destructor
       
    46      */
       
    47     virtual ~MsgAudioFetcherModel();
       
    48 
       
    49     /**
       
    50      * Clears model
       
    51      */
       
    52     void clearAll();
       
    53     
       
    54     /**
       
    55      * adds a row into the model
       
    56      */
       
    57     void addRow(QString filepath);
       
    58 
       
    59 public: //from QAbstractItemModel
       
    60     QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const;
       
    61 
       
    62 private:
       
    63     /**
       
    64      * binary search (ascendant) for the correct index to insert.
       
    65      * @param low the start of search
       
    66      * @param high the end of search.
       
    67      * @return the correct index
       
    68      */
       
    69     int insertIndex(int low, int high, QString variant);
       
    70 
       
    71     /**
       
    72      * Add audio files into the model
       
    73      * @param toneDir, Dir from which to get audio files to add to model
       
    74      */
       
    75     void addToneFiles(QDir& toneDir);
       
    76     
       
    77     /**
       
    78      * Finds and adds audio files into the model
       
    79      */
       
    80     void getRomToneFiles();
       
    81 
       
    82     /**
       
    83      * Initialize the model
       
    84      */
       
    85     void init();
       
    86     
       
    87     /**
       
    88      * checks if the given file is DRM protected
       
    89      * @param filepath, path of audio file
       
    90      */
       
    91     bool isDRM(QString filepath);
       
    92 
       
    93 private slots:
       
    94     /**
       
    95      * Handle MDS session open
       
    96      */
       
    97     void mdeSessionOpened();
       
    98 
       
    99     /**
       
   100      * Handle MDS session open error
       
   101      */
       
   102     void mdeSessionError(int error);
       
   103     
       
   104     /**
       
   105      * Handle MDS query complete
       
   106      */
       
   107     void queryComplete(const QStringList &nameList,
       
   108             const QStringList &uriList);
       
   109 
       
   110     /**
       
   111      * Handle MDS query error
       
   112      */
       
   113     void queryError(int error);
       
   114 
       
   115     /**
       
   116      * Handle object observer callback
       
   117      */
       
   118     void onObjectChanged();
       
   119 
       
   120 private:
       
   121     /**
       
   122      * audio selection engine
       
   123      */
       
   124     MsgAudioSelectionEngine* mSelectionEngine;
       
   125 };
       
   126 
       
   127 #endif /* MsgAudioFetcherModel_H_ */