35
|
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: Music Player secondary collection abstract data model. This is
|
|
15 |
* primarily used to support Mediawall in Collection View. This
|
|
16 |
* model represents the list containing album songs.
|
|
17 |
*
|
|
18 |
*/
|
|
19 |
|
|
20 |
#include <hbnamespace.h>
|
|
21 |
|
|
22 |
#include "mpcollectiontbonelistdatamodel.h"
|
|
23 |
#include "mpmpxcollectiondata.h"
|
|
24 |
#include "mptrace.h"
|
|
25 |
|
|
26 |
/*!
|
|
27 |
\class MpCollectionTBoneListDataModel
|
|
28 |
\brief Music Player collection data model.
|
|
29 |
|
|
30 |
Secondary collection data model implements the interface specified by
|
|
31 |
QAbstractListModel, which defines the standard interface that item models
|
|
32 |
must use to be able to interoperate with other components in the model/view
|
|
33 |
architecture.
|
|
34 |
|
|
35 |
Every item of data that can be accessed via a model has an associated model
|
|
36 |
index.
|
|
37 |
|
|
38 |
Each item has a number of data elements associated with it and they can be
|
|
39 |
retrieved by specifying a role (see Qt::ItemDataRole) to the model's data
|
|
40 |
returned by itemData() function.
|
|
41 |
|
|
42 |
MpCollectionTBoneListDataModel is primarily used to support Mediawall in
|
|
43 |
Collection View. This model represents the list containing album songs.
|
|
44 |
|
|
45 |
\sa QAbstractListModel
|
|
46 |
*/
|
|
47 |
|
|
48 |
/*!
|
|
49 |
\fn void albumDataChanged()
|
|
50 |
|
|
51 |
This signal is specific to views with TBone. This signal is emitted when
|
|
52 |
a new data set is available for the list section of the TBone. Currently,
|
|
53 |
the only operation that can trigger this is the delete operation.
|
|
54 |
*/
|
|
55 |
|
|
56 |
/*!
|
|
57 |
Constructs the collection data model.
|
|
58 |
*/
|
|
59 |
MpCollectionTBoneListDataModel::MpCollectionTBoneListDataModel( MpMpxCollectionData *data, QObject *parent )
|
|
60 |
: QAbstractListModel(parent),
|
|
61 |
mCollectionData(data),
|
|
62 |
mRowCount(0)
|
|
63 |
{
|
|
64 |
TX_ENTRY
|
|
65 |
connect( mCollectionData, SIGNAL(refreshAlbumSongs()),
|
|
66 |
this, SLOT(refreshModel()) );
|
|
67 |
connect( mCollectionData, SIGNAL(albumDataChanged()),
|
|
68 |
this, SIGNAL(albumDataChanged()) );
|
|
69 |
TX_EXIT
|
|
70 |
}
|
|
71 |
|
|
72 |
/*!
|
|
73 |
Destructs the collection data model.
|
|
74 |
*/
|
|
75 |
MpCollectionTBoneListDataModel::~MpCollectionTBoneListDataModel()
|
|
76 |
{
|
|
77 |
TX_LOG
|
|
78 |
}
|
|
79 |
|
|
80 |
/*!
|
|
81 |
Returns the number of rows under the given \a parent.
|
|
82 |
|
|
83 |
\reimp
|
|
84 |
*/
|
|
85 |
int MpCollectionTBoneListDataModel::rowCount( const QModelIndex &parent ) const
|
|
86 |
{
|
|
87 |
TX_LOG
|
|
88 |
Q_UNUSED(parent);
|
|
89 |
return mRowCount;
|
|
90 |
}
|
|
91 |
|
|
92 |
/*!
|
|
93 |
Returns the data stored for the item referred to by the \a index.
|
|
94 |
|
|
95 |
\reimp
|
|
96 |
*/
|
|
97 |
QVariant MpCollectionTBoneListDataModel::data(const QModelIndex &index, int role) const
|
|
98 |
{
|
|
99 |
TX_ENTRY
|
|
100 |
QVariant returnValue = QVariant();
|
|
101 |
if ( !index.isValid() ) {
|
|
102 |
return returnValue;
|
|
103 |
}
|
|
104 |
|
|
105 |
int row = index.row();
|
|
106 |
TX_LOG_ARGS("index=" << row << ", role=" << role);
|
|
107 |
if ( role == Qt::DisplayRole ) {
|
|
108 |
// Fetch the primary text, which is the title, if available.
|
|
109 |
QString songTitle = mCollectionData->albumSongData(row, MpMpxCollectionData::Title);
|
|
110 |
if ( !songTitle.isEmpty() ) {
|
|
111 |
returnValue = songTitle;
|
|
112 |
}
|
|
113 |
else {
|
|
114 |
returnValue = hbTrId("txt_mus_other_unknown4");
|
|
115 |
}
|
|
116 |
}
|
|
117 |
TX_EXIT
|
|
118 |
return returnValue;
|
|
119 |
}
|
|
120 |
|
|
121 |
/*!
|
|
122 |
Slot to be called when data has changed and model needs to be refreshed
|
|
123 |
to reflect the new data.
|
|
124 |
*/
|
|
125 |
void MpCollectionTBoneListDataModel::refreshModel()
|
|
126 |
{
|
|
127 |
TX_ENTRY
|
|
128 |
mRowCount = mCollectionData->albumSongsCount();
|
|
129 |
reset();
|
|
130 |
TX_EXIT
|
|
131 |
}
|
|
132 |
|