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:

    15 *

    16 */

    17 

    18 #include "nmuiengineheaders.h"

    19 

    20 /*!

    21     \class NmFolderListModel

    22     \brief The NmFolderListModel class represents data model for mailbox list.

    23     @alpha

    24 

    25     The NmFolderListModel class uses NmFolderMetaData class to represent data returned in its' data

    26     method to get all information needed for one list row for a widget by calling the method once.

    27 */

    28 

    29 class NmFolderListModelPrivate

    30 {

    31 public:

    32     NmFolderListModelPrivate();

    33     ~NmFolderListModelPrivate();

    34 public:

    35     QList<NmFolderMetaData*> mMetaDataList;

    36 };

    37 

    38 NmFolderListModelPrivate::NmFolderListModelPrivate()

    39 {

    40 }

    41 

    42 NmFolderListModelPrivate::~NmFolderListModelPrivate()

    43 {

    44     while (!mMetaDataList.isEmpty()) {

    45         delete mMetaDataList.takeLast();

    46     }

    47 }

    48 

    49 /*!

    50 	Constructor

    51  */

    52 NmFolderListModel::NmFolderListModel(NmDataManager &dataManager, QObject *parent) 

    53 :QAbstractListModel(parent),

    54 mDataManager(dataManager)

    55 {

    56     d = new NmFolderListModelPrivate;

    57 }

    58 

    59 /*!

    60 	Destructor

    61  */

    62 NmFolderListModel::~NmFolderListModel()

    63 {

    64     delete d;

    65 }

    66 

    67 /*!

    68     Returns parent index.

    69  */

    70 QModelIndex NmFolderListModel::parent(const QModelIndex &child) const

    71 {

    72     Q_UNUSED(child);

    73     return QModelIndex();

    74 }

    75 

    76 /*!

    77     Returns the number of list boxes for the current protocol plugin.

    78  */

    79 int NmFolderListModel::rowCount(const QModelIndex &parent) const

    80 {

    81     Q_UNUSED(parent);

    82     return d->mMetaDataList.size();

    83 }

    84 

    85 /*!

    86     This returns always 1.

    87  */

    88 int NmFolderListModel::columnCount(const QModelIndex &parent) const

    89 {

    90     Q_UNUSED(parent);

    91 	return 1;

    92 }

    93 

    94 /*!

    95     Returns data specified by \a index. Only Qt::DisplayRole is supported in \a role.

    96     The refresh method must have been called before this method can return any real data.

    97  */

    98 QVariant NmFolderListModel::data(const QModelIndex &index, int role) const

    99 {

   100     if (!index.isValid())

   101         return QVariant();

   102 

   103     if (index.row() >= rowCount())

   104         return QVariant();

   105 

   106     if (role == Qt::DisplayRole) {

   107         NmFolderMetaData* meta = d->mMetaDataList.at(index.row());

   108         // pass address for meta data structure, good enough to run in a single thread.

   109         int addr = (int)meta;

   110         return (QVariant)addr;

   111     }

   112     else

   113         return QVariant();

   114 

   115 }

   116 

   117 /*!

   118     This refreshes the data of the model.

   119  */

   120 void NmFolderListModel::refresh(

   121         QList<NmFolder*>& folderList)

   122 {

   123     NMLOG("nmuiengine: folder list model refresh");

   124     while (!d->mMetaDataList.isEmpty()) {

   125         delete d->mMetaDataList.takeLast();

   126     }

   127     d->mMetaDataList.clear();

   128     QList<NmFolder*>::const_iterator it = folderList.constBegin();

   129     QList<NmFolder*>::const_iterator itEnd = folderList.constEnd();

   130     while ( it != itEnd) {

   131         NmFolder* myFolder = *it;

   132         NmFolderMetaData* newMeta = new NmFolderMetaData();

   133         newMeta->setName( myFolder->name() );

   134         newMeta->setId( myFolder->folderId() );

   135         d->mMetaDataList.append( newMeta );

   136         it++;

   137     }

   138 }