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1 /* |
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2 * Copyright (c) 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:Implementation of the Positioning Settings Advanced View class |
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15 * |
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16 */ |
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17 |
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18 #include "possettingsadvview.h" |
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19 #include "possettingspluginsloader.h" |
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20 #include "possettingsgroupboxitem.h" |
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21 #include <QDebug> |
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22 #include <QFileSystemWatcher> |
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23 |
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24 #ifdef Q_OS_SYMBIAN |
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25 #define PLUGIN_PATH QString("\\resource\\qt\\plugins\\positioningsettings") |
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26 |
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27 #else |
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28 #define PLUGIN_PATH QString("C:\\qt\\plugins\\positioningsettings") |
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29 #endif |
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30 |
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31 //--------------------------------------------------------------------- |
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32 // PosSettingsAdvView::PosSettingsAdvView() |
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33 // Constructor |
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34 //--------------------------------------------------------------------- |
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35 PosSettingsAdvView::PosSettingsAdvView( QGraphicsItem *parent ): |
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36 CpBaseSettingView(0,parent) |
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37 { |
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38 qDebug() << "+ PosSettingsAdvView::PosSettingsAdvView()"; |
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39 // create instance of HbDataForm |
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40 mAdvancedDataForm = new HbDataForm(); |
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41 |
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42 // Create an instance of HbDataFormModel |
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43 HbDataFormModel* advancedDataFormModel = new HbDataFormModel(); |
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44 |
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45 // set the model |
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46 mAdvancedDataForm->setModel( advancedDataFormModel ); |
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47 |
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48 // set the Advanced settings form for this view |
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49 this->setWidget( mAdvancedDataForm ); |
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50 |
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51 //set prototype for custom controls |
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52 QList<HbAbstractViewItem *> protoTypeList = mAdvancedDataForm->itemPrototypes(); |
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53 protoTypeList.append(new PosSettingsGroupboxItem(this)); |
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54 mAdvancedDataForm->setItemPrototypes(protoTypeList); |
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55 |
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56 //Heading |
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57 mHeading = advancedDataFormModel->appendDataFormItem(static_cast<HbDataFormModelItem::DataItemType>(GroupboxItem), |
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58 QString(), |
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59 advancedDataFormModel->invisibleRootItem()); |
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60 mHeading->setContentWidgetData("heading", |
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61 hbTrId("txt_loe_subtitle_advanced_positioning_settings")); |
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62 |
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63 |
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64 |
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65 // Create an instance of PosSettingsAdvancedOperation |
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66 mAdvancedOperation = new PosSettingsAdvOp(this); |
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67 |
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68 |
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69 mPluginsLoader = new PosSettingsPluginsLoader(); |
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70 // load the plugins |
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71 mPluginsList = mPluginsLoader->loadPlugins(); |
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72 |
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73 // for each plugin detected call the plugin's initialize method |
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74 |
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75 int cnt = mPluginsList.count(); |
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76 int error = 0; |
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77 for(int i=0;i<cnt;i++) |
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78 { |
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79 error = mPluginsList[i]->initialise(mAdvancedOperation ); |
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80 //pluging is unloaded if the there is an error, with exception for not found. |
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81 if (error != 0 && error != -1) |
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82 { |
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83 delete mPluginsList[i]; |
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84 mPluginsList[i] = 0; |
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85 mPluginsList.removeAt(i); |
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86 --cnt; |
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87 --i; |
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88 } |
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89 } |
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90 // create a QFileSystemWatcher instance |
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91 mWatcher = new QFileSystemWatcher(); |
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92 mWatcher->addPath(PLUGIN_PATH); |
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93 |
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94 // make connection to update the advanced view on change in the plugins |
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95 QObject::connect(mWatcher,SIGNAL(fileChanged ( const QString & path )), |
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96 this,SLOT(updateAdvView())); |
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97 qDebug() << "- PosSettingsAdvView::PosSettingsAdvView()"; |
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98 } |
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99 |
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100 //--------------------------------------------------------------------- |
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101 // PosSettingsAdvView::~PosSettingsAdvView() |
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102 // Destructor |
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103 //--------------------------------------------------------------------- |
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104 PosSettingsAdvView::~PosSettingsAdvView() |
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105 { |
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106 qDebug() << "+ PosSettingsAdvView::~PosSettingsAdvView()"; |
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107 // mAdvancedDataForm->removeAllConnection(); |
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108 delete mAdvancedDataForm; |
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109 mAdvancedDataForm = NULL; |
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110 |
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111 |
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112 delete mAdvancedOperation; |
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113 mAdvancedOperation = NULL; |
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114 |
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115 delete mPluginsLoader; |
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116 mPluginsLoader = NULL; |
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117 |
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118 // delete the list of plugins |
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119 foreach( PosSettingsAdvInterface *plugin, mPluginsList ) |
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120 { |
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121 delete plugin; |
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122 plugin = 0; |
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123 } |
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124 mPluginsList.clear(); |
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125 |
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126 //ToDo: disconnect mWatcher'signal |
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127 delete mWatcher; |
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128 mWatcher = NULL; |
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129 qDebug() << "- PosSettingsAdvView::~PosSettingsAdvView()"; |
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130 } |
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131 |
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132 //--------------------------------------------------------------------- |
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133 // PosSettingsAdvView::updateAdvView() |
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134 // |
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135 //--------------------------------------------------------------------- |
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136 void PosSettingsAdvView::updateAdvView() |
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137 { |
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138 qDebug() << "+ PosSettingsAdvView::updateAdvView()"; |
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139 // clear the plugins list |
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140 foreach( PosSettingsAdvInterface *plugin, mPluginsList ) |
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141 { |
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142 delete plugin; |
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143 plugin= NULL; |
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144 } |
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145 mPluginsList.clear(); |
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146 |
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147 // reload the plugins again |
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148 mPluginsList = mPluginsLoader->loadPlugins(); |
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149 |
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150 int count = mPluginsList.count(); |
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151 |
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152 // for each plugin detected call the plugin's initialize method |
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153 for( int i=0;i<count;++i ) |
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154 { |
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155 int error = mPluginsList[i]->initialise( mAdvancedOperation ); |
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156 if( error != KErrNone ) |
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157 { |
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158 delete mPluginsList[i]; |
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159 mPluginsList[i] =NULL; |
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160 } |
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161 } |
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162 qDebug() << "- PosSettingsAdvView::updateAdvView()"; |
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163 } |