1 /* |
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2 * Copyright (c) 2009-2010 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 #ifndef USBUISETTINGMODEL_H |
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19 #define USBUISETTINGMODEL_H |
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20 |
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21 |
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22 #include <e32base.h> |
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23 #include <e32property.h> |
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24 #include <QStringList> |
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25 #include <QAbstractItemModel> |
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26 #include <XQSettingsManager> |
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27 |
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28 typedef QList< QMap< int, QVariant > > UsbUiModelDataSource; |
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29 |
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30 class RUsb; |
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31 class UsbUiModelActive; |
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32 class QItemSelection; |
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33 class QItemSelectionModel; |
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34 |
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35 class UsbUiSettingModel : public QAbstractItemModel |
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36 { |
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37 Q_OBJECT |
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38 friend class TestUsbUiModelActive; |
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39 |
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40 public: |
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41 UsbUiSettingModel( QObject *parent = 0); |
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42 virtual ~UsbUiSettingModel(); |
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43 |
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44 /* |
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45 * Returns the index of the item in the model specified by the given row, column and parent index. |
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46 * @param row is the row number of the specified item |
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47 * @param column is the column number of the specified item |
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48 * @param parent QModelIndex parent |
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49 */ |
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50 virtual QModelIndex index( int row, int column, const QModelIndex &parent = QModelIndex() ) const; |
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51 /* |
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52 * Returns QModelIndex() because this model item has no parent |
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53 * @param child is the index of item model, the parent of which is going to be returned |
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54 * @param child is not used in here |
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55 */ |
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56 virtual QModelIndex parent( const QModelIndex &child ) const; |
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57 /* |
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58 * Returns the number of rows under the given parent |
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59 * @param parent QModelIndex parent |
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60 */ |
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61 virtual int rowCount( const QModelIndex &parent = QModelIndex() ) const; |
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62 /* |
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63 * Returns the number of columns for the children of the given parent. |
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64 * @param parent QModelIndex parent |
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65 */ |
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66 virtual int columnCount( const QModelIndex &parent = QModelIndex() ) const; |
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67 /* |
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68 *Returns the data stored under the given role for the item referred to by the index. |
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69 */ |
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70 virtual QVariant data( const QModelIndex &index, int role = Qt::DisplayRole ) const; |
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71 |
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72 const QModelIndex* sourceData() const; |
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73 |
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74 /* |
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75 * informs the model of the changes in selectionModel and the new mode |
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76 * will be Handeled by the Model |
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77 */ |
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78 void setSelectionModel(QItemSelectionModel *selectionModel); |
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79 |
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80 public slots: |
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81 /* |
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82 * Provides notification of changes in selected usb mode |
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83 * @param key is not used |
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84 * @param value is the value read from cenrep key |
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85 */ |
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86 void cenrepChanged( const XQSettingsKey &key, const QVariant &value ); |
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87 |
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88 /* |
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89 * it checks the response from usbwatcher to see if the new mode change has been successful |
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90 * it will go back to the previous personality if it has not been successful |
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91 * @param status is the error code returned from usbwatcher |
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92 */ |
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93 void personalitySetCompleted (int status ); |
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94 |
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95 /** |
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96 * This slot handles selection change from the selection model. |
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97 * The personality is set according to the selection. |
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98 * @param selected Item selection of selected items |
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99 * @param deselected Item selection of deselected items |
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100 */ |
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101 void handleSelectionChange(const QItemSelection &selected, |
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102 const QItemSelection &deselected ); |
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103 |
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104 private: |
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105 /* |
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106 * Get the translated mode name |
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107 * @param friendlyName is the usb personality friendly name |
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108 */ |
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109 QString modeName( QString &friendlyName ); |
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110 |
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111 /* |
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112 * Get the current USB personality ID |
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113 * Returns 0, if the key is missing or the value cannot be converted |
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114 * to integer. |
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115 * @return The current personality id |
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116 */ |
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117 int currentMode(); |
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118 |
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119 /** |
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120 * Initialize the model data |
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121 * @param modeId The current mode ID |
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122 */ |
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123 void initializeModelData( int modeId ); |
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124 |
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125 /** |
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126 * Update the selection model |
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127 * @param newPersonality is the new personality id |
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128 */ |
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129 void updateSelectionModel(int newPersonality); |
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130 |
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131 /** |
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132 * Check from the USB Manager if the USB personality is hidden. |
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133 * @param usbman Already opened USB Manager session |
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134 * @param personalityId The ID of the personality to be checked. |
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135 * @return For hidden personality, true is returned. |
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136 */ |
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137 bool isPersonalityHidden(RUsb &usbman, TInt personalityId); |
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138 |
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139 /** |
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140 * Get the personality friendly name from USB Manager |
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141 * The friendly name can be used in text IDs. |
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142 * @param usbman The open USB Manager session |
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143 * @param personalityId The ID of the personality |
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144 * @return Friendly name for personality |
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145 */ |
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146 QString getFriendlyName(RUsb &usbman, TInt personalityId); |
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147 |
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148 private: |
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149 |
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150 UsbUiModelDataSource mSettingsList; |
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151 |
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152 // current USB personality |
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153 int mCurrentMode; |
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154 |
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155 //variable to access central repository |
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156 XQSettingsManager mSettingsManager; |
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157 |
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158 QList<int> mPersonalityIds; |
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159 //owned by the class |
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160 // modelactive is used for the interaction with the usbwatcher |
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161 UsbUiModelActive *mModelActive; |
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162 |
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163 QItemSelectionModel *mSelectionModel; |
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164 }; |
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165 |
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166 #endif // USBUISETTINGMODEL_H |
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