1 /* |
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2 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0"" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: |
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15 * |
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16 */ |
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17 |
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18 #include <QDir> |
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19 #include <QStringList> |
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20 #include <QFileSystemWatcher> |
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21 #include <QPair> |
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22 |
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23 #include <HbIcon> |
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24 |
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25 #include "cpthemelistmodel.h" |
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26 #include "cpthemeinfo.h" |
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27 #include "cpthemeutil.h" |
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28 |
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29 /* |
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30 CpThemeChangerModel provides an interface to the data contained in the |
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31 theme list using QAbstractListModel. |
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32 */ |
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33 |
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34 /* |
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35 Constructor |
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36 */ |
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37 CpThemeListModel::CpThemeListModel(QObject* parent) |
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38 : QAbstractListModel(parent) |
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39 , mTopThemeList() |
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40 , mThemeList() |
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41 , mBottomThemeList() |
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42 , mFileWatcher(new QFileSystemWatcher(this)) |
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43 { |
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44 //Build theme list |
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45 mThemeList = CpThemeUtil::buildThemeList(); |
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46 |
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47 //Look into theme paths and add a file watcher for it |
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48 //to get notified when themes are added. |
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49 QStringList themePaths = CpThemeUtil::themeDirectories(mThemeList); |
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50 if(!themePaths.empty()) { |
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51 mFileWatcher->addPaths(themePaths); |
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52 } |
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53 |
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54 connect(mFileWatcher, SIGNAL(directoryChanged(QString)), |
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55 this, SLOT(themeListChanged())); |
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56 |
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57 } |
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58 |
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59 /* |
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60 Destructor |
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61 */ |
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62 CpThemeListModel::~CpThemeListModel() |
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63 { |
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64 delete mFileWatcher; |
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65 mFileWatcher = 0; |
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66 |
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67 } |
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68 |
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69 /* |
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70 Reimplemented from QAbstractListModel. |
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71 */ |
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72 int CpThemeListModel::rowCount(const QModelIndex&) const |
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73 { |
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74 return mTopThemeList.size() + |
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75 mThemeList.size() + |
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76 mBottomThemeList.size(); |
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77 } |
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78 |
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79 /* |
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80 Reimplemented from QAbstractListModel. |
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81 */ |
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82 QVariant CpThemeListModel::data(const QModelIndex& index, int role) const |
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83 { |
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84 QVariant retVal = QVariant(); |
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85 |
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86 if (index.isValid()) { |
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87 // figure out which list we're in and do the appropriate mapping |
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88 int row = index.row(); |
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89 const QList<CpThemeInfo> *list = 0; |
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90 if (row < mTopThemeList.size()) { |
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91 list = &mTopThemeList; |
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92 } else { |
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93 row -= mTopThemeList.size(); |
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94 if ( row < mThemeList.size() ) { |
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95 list = &mThemeList; |
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96 } else { |
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97 row -= mThemeList.size(); |
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98 if ( row < mBottomThemeList.size() ) { |
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99 list = &mBottomThemeList; |
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100 } |
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101 } |
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102 } |
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103 |
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104 if (list) { |
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105 switch (role) { |
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106 case Qt::DisplayRole: |
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107 retVal = list->at(row).name(); |
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108 break; |
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109 |
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110 case Qt::SizeHintRole: |
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111 retVal = list->at(row).icon().size(); |
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112 break; |
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113 |
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114 case ItemDataRole: |
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115 retVal = list->at(row).itemData(); |
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116 break; |
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117 |
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118 case ItemTypeRole: |
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119 retVal = QVariant::fromValue<CpThemeInfo::ThemeListItemType>(list->at(row).itemType()); |
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120 break; |
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121 |
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122 default: |
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123 // do nothing |
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124 qt_noop(); |
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125 } |
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126 } |
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127 } |
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128 |
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129 return retVal; |
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130 } |
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131 |
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132 /* |
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133 Responds appropriately when the underlying data in the theme changer is modified. |
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134 |
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135 Unfortunately the directory watcher from QFileWatcher only says when something changed |
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136 not what changed. Therefore the model is considered reset rather than having rows |
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137 with dataChanged. |
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138 */ |
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139 void CpThemeListModel::themeListChanged() |
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140 { |
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141 beginResetModel(); |
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142 if(!mThemeList.empty()) { |
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143 mThemeList.clear(); |
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144 } |
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145 mThemeList = CpThemeUtil::buildThemeList(); |
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146 |
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147 endResetModel(); |
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148 } |
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149 /*! |
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150 * Returns index of theme infor within the theme list. |
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151 */ |
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152 int CpThemeListModel::indexOf(const CpThemeInfo& theme) const |
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153 { |
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154 return mThemeList.indexOf(theme); |
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155 } |
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