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 <QDir>

    19 #include <QStringList>

    20 #include <QFileSystemWatcher>

    21 

    22 #include <HbIcon>

    23 

    24 #include "cpthemelistmodel.h"

    25 #include "cpthemeinfo.h"

    26 #include "cpthemeutil.h"

    27 

    28 /*

    29     CpThemeChangerModel provides an interface to the data contained in the

    30     theme list using QAbstractListModel.

    31 */

    32 

    33 /*

    34     Constructor

    35 */

    36 CpThemeListModel::CpThemeListModel(QObject* parent)

    37     : QAbstractListModel(parent)

    38     , mTopThemeList()

    39     , mThemeList()

    40     , mBottomThemeList()

    41     , mFileWatcher(new QFileSystemWatcher(this))

    42 {

    43     //Build theme list

    44     mThemeList = CpThemeUtil::buildThemeList();

    45     

    46     //Look into theme paths and add a file watcher for it

    47     //to get notified when themes are added.

    48     QStringList themesPathList = CpThemeUtil::themePathList();

    49     foreach (const QString &path, themesPathList) {

    50         QDir themeDir;

    51         themeDir.setPath( path ) ;

    52         QStringList list = themeDir.entryList(QDir::AllDirs|QDir::NoDotAndDotDot,QDir::Name);

    53         if(list.contains("themes", Qt::CaseSensitive )) {

    54             mFileWatcher->addPath(themeDir.path() + "/themes/");

    55         }

    56     }

    57     connect(mFileWatcher, SIGNAL(directoryChanged(const QString&)),

    58            this, SLOT(themeListChanged()));

    59        

    60     // data for the list which appears after the themes:

    61     CpThemeInfo fetchFromStore;

    62     fetchFromStore.setName(hbTrId("txt_cp_list_get_more_tones"));

    63     fetchFromStore.setItemType(CpThemeInfo::ThemeListItemType_URL);

    64     fetchFromStore.setItemData(QString("http://lr.ovi.mobi/store/themes"));

    65     fetchFromStore.setIcon(HbIcon("qtg_large_ovistore"));

    66     mBottomThemeList.append(fetchFromStore);

    67 }

    68 

    69 /*

    70     Destructor

    71 */

    72 CpThemeListModel::~CpThemeListModel()

    73 {

    74     delete mFileWatcher;

    75     mFileWatcher = 0;

    76 

    77 }

    78 

    79 /*

    80     Reimplemented from QAbstractListModel.

    81 */

    82 int CpThemeListModel::rowCount(const QModelIndex&) const

    83 {

    84     return mTopThemeList.size() +

    85         mThemeList.size() +

    86         mBottomThemeList.size();

    87 }

    88 

    89 /*

    90     Reimplemented from QAbstractListModel. 

    91 */

    92 QVariant CpThemeListModel::data(const QModelIndex& index, int role) const

    93 {

    94     QVariant retVal = QVariant();

    95 

    96     if (index.isValid()) {

    97         // figure out which list we're in and do the appropriate mapping

    98         int row = index.row();

    99         const QList<CpThemeInfo> *list = 0;

   100         if (row < mTopThemeList.size()) {

   101             list = &mTopThemeList;

   102         } else {

   103             row -= mTopThemeList.size();

   104             if ( row < mThemeList.size() ) {

   105                 list = &mThemeList;

   106             } else {

   107                 row -= mThemeList.size();

   108                 if ( row < mBottomThemeList.size() ) {

   109                     list = &mBottomThemeList;

   110                 }

   111             }

   112         }

   113 

   114         if (list) {

   115             switch (role) {

   116                 case Qt::DisplayRole:

   117                     retVal = list->at(row).name();

   118                     break;

   119 

   120                 case Qt::DecorationRole:

   121                     retVal = list->at(row).icon();

   122                     break;

   123 

   124                 case Qt::SizeHintRole:

   125                     retVal = list->at(row).icon().size();

   126                     break;

   127                     

   128                 case PortraitPreviewRole:

   129           	        retVal = list->at(row).portraitPreviewIcon();

   130                     break;

   131                     

   132                 case LandscapePreviewRole:

   133                     retVal = list->at(row).landscapePreviewIcon();

   134                     break;

   135                     

   136                 case ItemDataRole:

   137                     retVal = list->at(row).itemData();

   138                     break;

   139 

   140                 case ItemTypeRole:

   141                     retVal = QVariant::fromValue<CpThemeInfo::ThemeListItemType>(list->at(row).itemType());

   142                     break;

   143 

   144                 default:

   145                     // do nothing

   146                     qt_noop();

   147             }

   148         }

   149     }

   150 

   151     return retVal;

   152 }

   153 

   154 /*

   155     Responds appropriately when the underlying data in the theme changer is modified.

   156 

   157     Unfortunately the directory watcher from QFileWatcher only says when something changed

   158     not what changed.  Therefore the model is considered reset rather than having rows

   159     with dataChanged.

   160 */

   161 void CpThemeListModel::themeListChanged()

   162 {

   163     beginResetModel();

   164     if(!mThemeList.empty()) {

   165         mThemeList.clear();

   166     }

   167     mThemeList = CpThemeUtil::buildThemeList();

   168   

   169     endResetModel();

   170 }

   171 /*!

   172  * Returns index of theme infor within the theme list.

   173  */

   174 int CpThemeListModel::indexOf(const CpThemeInfo& theme) const

   175 {

   176     return mThemeList.indexOf(theme);

   177 }