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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 #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 const int KDefaultColumn = 0; |
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29 typedef QList< QMap< int, QVariant > > UsbUiModelDataSource; |
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30 |
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31 class RUsb; |
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32 class UsbUiModelActive; |
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33 |
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34 class UsbUiSettingModel : public QAbstractItemModel |
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35 { |
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36 Q_OBJECT |
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37 friend class TestUsbUiModelActive; |
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38 |
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39 public: |
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40 enum usbSettingsIndex { |
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41 DefaultMode, |
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42 Description, |
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43 UsbModeList, |
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44 EndOfSettings |
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45 }; |
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46 enum SettingsRoleValues { |
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47 SettingType = Qt::UserRole, |
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48 SettingsModeNameList, |
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49 }; |
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50 public: |
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51 UsbUiSettingModel( QObject *parent = 0 ); |
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52 virtual ~UsbUiSettingModel(); |
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53 |
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54 /* |
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55 * Returns the index of the item in the model specified by the given row, column and parent index. |
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56 * @param row is the row number of the specified item |
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57 * @param column is the column number of the specified item |
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58 * @param parent QModelIndex parent |
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59 */ |
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60 virtual QModelIndex index( int row, int column, const QModelIndex &parent = QModelIndex() ) const; |
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61 /* |
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62 * Returns QModelIndex() because this model item has no parent |
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63 * @param child is the index of item model, the parent of which is going to be returned |
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64 * @param child is not used in here |
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65 */ |
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66 virtual QModelIndex parent( const QModelIndex &child ) const; |
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67 /* |
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68 * Returns the number of rows under the given parent |
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69 * @param parent QModelIndex parent |
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70 */ |
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71 virtual int rowCount( const QModelIndex &parent = QModelIndex() ) const; |
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72 /* |
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73 * Returns the number of columns for the children of the given parent. |
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74 * @param parent QModelIndex parent |
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75 */ |
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76 virtual int columnCount( const QModelIndex &parent = QModelIndex() ) const; |
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77 /* |
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78 *Returns the data stored under the given role for the item referred to by the index. |
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79 */ |
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80 virtual QVariant data( const QModelIndex &index, int role = Qt::DisplayRole ) const; |
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81 /* |
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82 * Sets the role data for the item at index to value. Returns true if successful; otherwise returns false. |
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83 */ |
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84 virtual bool setData( const QModelIndex &index, const QVariant &value, int role = Qt::EditRole ); |
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85 |
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86 const QModelIndex* sourceData() const; |
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87 |
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88 public slots: |
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89 /* |
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90 * Provides notification of changes in selected usb mode |
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91 * @param key is not used |
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92 * @param value is the value read from cenrep key |
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93 */ |
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94 void usbModeChanged( const XQSettingsKey &key, const QVariant &value ); |
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95 /* |
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96 * it checks the response from usbwatcher to see if the new mode change has been successful |
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97 * it will go back to the previous personality if it has not been successfull |
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98 * @param status is the error code returned from usbwatcher |
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99 */ |
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100 void setPersonalityCompleted (int status ); |
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101 |
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102 private: |
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103 /* |
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104 * creats the logical name of the modename string for the list |
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105 * @param modeId is the usb personality id |
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106 */ |
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107 QString modeListName( int modeId ); |
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108 /* |
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109 * Get the current USB personality ID |
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110 * Returns 0, if the key is missing or the value cannot be converted |
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111 * to integer. |
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112 * @return The current personality id |
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113 */ |
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114 int currentMode(); |
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115 /* |
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116 * sets the value to different roles of the model's first row |
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117 */ |
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118 void setDefaultModeSetting(); |
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119 /* |
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120 * sets the value to different roles of the model's description row |
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121 */ |
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122 void setDescriptionSetting(); |
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123 /** |
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124 * Set the USB mode list and the current selection in the list. |
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125 * The personality IDs are stored to mPersonalityIds and the personality names |
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126 * to mSettingsList. |
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127 * @param modeId The current mode ID |
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128 */ |
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129 bool setUsbModelistSetting( int modeId ); |
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130 /** |
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131 * calls the model's set functions |
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132 * @param modeId The current mode ID |
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133 */ |
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134 void setUsbSettings( int modeId ); |
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135 /** |
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136 * updates the model rows and emits signal datachanged |
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137 * @param newPersonality is the new personality id |
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138 */ |
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139 void setNewUsbMode(int newPersonality); |
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140 |
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141 /** |
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142 * Check from the USB Manager if the USB personality is hidden. |
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143 * @param usbman Already opened USB Manager session |
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144 * @param personalityId The ID of the personality to be checked. |
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145 * @return For hidden personality, true is returned. |
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146 */ |
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147 bool isPersonalityHidden(RUsb &usbman, TInt personalityId); |
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148 |
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149 /** |
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150 * Check if the USB personality is hidden. |
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151 * The personality is hidden, if it does not exist in mPersonalityIds. |
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152 * @param personalityId The ID of the personality to be checked. |
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153 * @return For hidden personality, true is returned. |
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154 */ |
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155 bool isPersonalityHidden(TInt personalityId); |
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156 private: |
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157 |
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158 UsbUiModelDataSource mSettingsList; |
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159 int mCurrentMode; |
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160 // stored, so that we can show the correct personality when it fails to set the new one |
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161 int mPreviousMode; |
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162 |
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163 XQSettingsManager mSettingsManager; |
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164 QList<int> mPersonalityIds; |
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165 UsbUiModelActive *mModelActive; |
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166 }; |
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167 |
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168 #endif // USBUISETTINGMODEL_H |