1 /* |
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2 * Copyright (c) 2006 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: Location Notation Preferences Plugin Engine |
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15 * |
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16 */ |
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17 |
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18 |
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19 // System Include |
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20 #include <e32keys.h> // Tab Keys |
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21 #include <StringLoader.h> // String Loader |
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22 #include <locnotprefpluginview.rsg> |
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23 #include <aknradiobuttonsettingpage.h> |
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24 |
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25 // User Include |
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26 #include "locnotprefpluginengine.h" |
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27 #include "locnotprefengobserver.h" |
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28 #include "locnotprefcorddisadapter.h" |
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29 #include "locnotprefsomadapter.h" |
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30 |
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31 // Constant Defintions |
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32 const TInt KNumberofSettingsItems = 2; |
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33 const TInt KMaxConversionBufferLength = 0x200; |
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34 const TInt KNoofSysofMeas = 2; |
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35 const TInt KNoofCordDisplayFormats = 3; |
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36 |
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37 // ========================= MEMBER FUNCTIONS ================================ |
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38 |
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39 |
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40 // --------------------------------------------------------------------------- |
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41 // CLocNotPrefPluginEngine::CLocNotPrefPluginEngine |
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42 // Overloaded Constructor |
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43 // |
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44 // --------------------------------------------------------------------------- |
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45 // |
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46 CLocNotPrefPluginEngine::CLocNotPrefPluginEngine( |
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47 MLocNotPrefEngObserver& aEngineObserver ) |
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48 :iObserver(aEngineObserver), |
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49 iSettingsDialogOutstanding( EFalse ) |
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50 { |
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51 } |
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52 |
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53 // --------------------------------------------------------------------------- |
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54 // CLocNotPrefPluginEngine::~CLocNotPrefPluginEngine |
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55 // Destructor |
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56 // |
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57 // --------------------------------------------------------------------------- |
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58 // |
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59 CLocNotPrefPluginEngine::~CLocNotPrefPluginEngine() |
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60 { |
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61 // Delete the list box strings |
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62 delete iSysofMeasTitle; |
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63 |
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64 delete iCoordDispTitle; |
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65 |
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66 delete iImperialSettings; |
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67 |
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68 delete iMetricSettings; |
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69 |
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70 delete iDegreesSettings; |
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71 |
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72 delete iMinutesSettings; |
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73 |
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74 delete iSecondsSettings; |
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75 |
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76 delete iConversionBuffer; |
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77 |
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78 // Delete the Co-ordinate display settings handle |
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79 delete iCordDisplaySettings; |
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80 |
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81 // Delete the System of Measurements settings handle |
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82 delete iSysofMeasSettings; |
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83 } |
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84 |
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85 // --------------------------------------------------------------------------- |
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86 // CLocNotPrefPluginEngine* CLocNotPrefPluginEngine::NewL |
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87 // Creates new Location Notation Preferences plug-in engine instance. |
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88 // |
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89 // @param aEngineObserver Observer to the Notation preferences engine |
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90 // @return CLocNotPrefPluginEngine* Reference to the application view |
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91 // --------------------------------------------------------------------------- |
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92 // |
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93 CLocNotPrefPluginEngine* CLocNotPrefPluginEngine::NewL( |
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94 MLocNotPrefEngObserver& aEngineObserver ) |
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95 { |
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96 CLocNotPrefPluginEngine* self = |
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97 CLocNotPrefPluginEngine::NewLC( aEngineObserver ); |
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98 CleanupStack::Pop(self); |
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99 return self; |
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100 } |
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101 |
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102 // --------------------------------------------------------------------------- |
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103 // CLocNotPrefPluginEngine* CLocNotPrefPluginEngine::NewLC |
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104 // Creates new Location Notation Preferences plug-in engine instance. Leaves |
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105 // the object on the Cleanup stack |
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106 // |
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107 // @param aEngineObserver Observer to the Notation preferences engine |
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108 // @return CLocNotPrefPluginEngine* Reference to the application view |
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109 // --------------------------------------------------------------------------- |
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110 // |
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111 CLocNotPrefPluginEngine* CLocNotPrefPluginEngine::NewLC( |
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112 MLocNotPrefEngObserver& aEngineObserver ) |
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113 { |
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114 CLocNotPrefPluginEngine* self = |
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115 new(ELeave) CLocNotPrefPluginEngine( aEngineObserver ); |
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116 CleanupStack::PushL(self); |
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117 self->ConstructL(); |
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118 return self; |
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119 } |
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120 |
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121 // --------------------------------------------------------------------------- |
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122 // void CLocNotPrefPluginEngine::ConstructL |
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123 // Second Phase Constructor |
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124 // |
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125 // --------------------------------------------------------------------------- |
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126 // |
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127 void CLocNotPrefPluginEngine::ConstructL() |
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128 { |
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129 // Create Co-ordinate display settings handle |
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130 iCordDisplaySettings = CLocNotPrefCoordinateDisplayAdapter::NewL( *this ); |
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131 |
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132 iSysofMeasSettings = CLocNotPrefSystemofMeasAdapter::NewL( *this ); |
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133 |
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134 // Load the list box strings |
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135 // Allocate and set the System of measurement heading |
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136 iSysofMeasTitle = StringLoader::LoadL( R_LOC_NOTATION_MEASURES ); |
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137 |
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138 // Allocate and set the server ip address title field |
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139 iCoordDispTitle = StringLoader::LoadL( R_LOC_NOTATION_COORDINATE_FORMAT ); |
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140 |
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141 // Allocate and set the Imperial settings text |
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142 iImperialSettings = StringLoader::LoadL( R_LOC_IMPERIAL_SYSTEM ); |
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143 |
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144 // Allocate and set the Metric settings text |
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145 iMetricSettings = StringLoader::LoadL( R_LOC_METRIC_SYSTEM ); |
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146 |
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147 // Allocate and set the Degrees resolution settings text |
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148 iDegreesSettings = StringLoader::LoadL( R_LOC_FORMAT_DECIMAL_DEGREES ); |
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149 |
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150 // Allocate and set the Minutes resolution settings text |
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151 iMinutesSettings = StringLoader::LoadL( R_LOC_FORMAT_DECIMAL_MINUTES ); |
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152 |
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153 // Allocate and set the Seconds resolution settings text |
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154 iSecondsSettings = StringLoader::LoadL( R_LOC_FORMAT_DECIMAL_SECONDS ); |
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155 |
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156 // Allocate the Conversion Buffer |
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157 iConversionBuffer = HBufC16::NewL( KMaxConversionBufferLength ); |
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158 } |
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159 |
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160 // --------------------------------------------------------------------------- |
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161 // TInt CLocNotPrefPluginEngine::MdcaCount |
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162 // Inherited from MDesCArray |
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163 // |
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164 // --------------------------------------------------------------------------- |
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165 // |
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166 TInt CLocNotPrefPluginEngine::MdcaCount() const |
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167 { |
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168 return KNumberofSettingsItems; |
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169 } |
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170 |
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171 // --------------------------------------------------------------------------- |
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172 // TInt CLocNotPrefPluginEngine::MdcaPoint |
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173 // Inherited from MDesCArray |
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174 // |
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175 // --------------------------------------------------------------------------- |
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176 // |
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177 TPtrC16 CLocNotPrefPluginEngine::MdcaPoint( TInt aIndex ) const |
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178 { |
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179 // Zero the internal buffer |
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180 TPtr16 ptr( iConversionBuffer->Des()); |
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181 ptr.Zero(); |
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182 |
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183 // Format "\t%S\t\t%S" |
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184 |
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185 // Append the first tab |
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186 ptr.Append( EKeyTab ); |
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187 |
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188 switch( aIndex ) |
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189 { |
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190 case ESystemofMeasurement: |
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191 { |
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192 // Append the Title text |
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193 ptr.Append( iSysofMeasTitle->Des()); |
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194 |
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195 // Append the second tab |
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196 ptr.Append( EKeyTab ); |
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197 |
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198 // Append the third tab |
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199 ptr.Append( EKeyTab ); |
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200 |
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201 // Obtain the current value of system of measurement and append |
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202 // to the buffer |
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203 TLocSystemofMeasurementValues currentSettings = ELocMetric; |
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204 TRAPD( error, currentSettings = iSysofMeasSettings->GetCurrentSysofMeasL()); |
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205 if( KErrNone == error ) |
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206 { |
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207 if( ELocMetric == currentSettings ) |
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208 { |
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209 ptr.Append( iMetricSettings->Des()); |
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210 } |
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211 else if ( ELocImperial == currentSettings ) |
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212 { |
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213 ptr.Append( iImperialSettings->Des()); |
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214 } |
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215 } |
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216 |
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217 break; |
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218 } |
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219 case ECoordinateDisplayFormat: |
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220 { |
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221 // Append the Title text |
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222 ptr.Append( iCoordDispTitle->Des()); |
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223 |
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224 // Append the second tab |
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225 ptr.Append( EKeyTab ); |
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226 |
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227 // Append the third tab |
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228 ptr.Append( EKeyTab ); |
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229 |
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230 // Obtain the current value of co-ordinate display format and append |
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231 // to the buffer |
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232 CLocNotPrefCoordinateDisplayAdapter::TCordDisSetListPosition currentSettings = |
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233 CLocNotPrefCoordinateDisplayAdapter::EPosDMSS; |
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234 TRAPD( error, currentSettings = iCordDisplaySettings->GetCurrentDisplayFormatL()); |
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235 if( KErrNone == error ) |
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236 { |
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237 if( CLocNotPrefCoordinateDisplayAdapter::EPosDD == currentSettings ) |
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238 { |
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239 ptr.Append( iDegreesSettings->Des()); |
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240 } |
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241 else if ( CLocNotPrefCoordinateDisplayAdapter::EPosDMM == currentSettings ) |
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242 { |
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243 ptr.Append( iMinutesSettings->Des()); |
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244 } |
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245 else if ( CLocNotPrefCoordinateDisplayAdapter::EPosDMSS == currentSettings ) |
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246 { |
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247 ptr.Append( iSecondsSettings->Des()); |
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248 } |
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249 } |
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250 break; |
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251 } |
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252 default: |
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253 { |
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254 // Append the second tab |
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255 ptr.Append( EKeyTab ); |
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256 // Append the third tab |
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257 ptr.Append( EKeyTab ); |
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258 break; |
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259 } |
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260 } |
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261 return iConversionBuffer->Des(); |
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262 } |
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263 |
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264 // --------------------------------------------------------------------------- |
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265 // void CLocNotPrefPluginEngine::HandleSettingsChangeL |
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266 // Inherited from MLocNotPrefAdapterObserver |
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267 // |
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268 // --------------------------------------------------------------------------- |
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269 // |
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270 void CLocNotPrefPluginEngine::HandleSettingsChangeL() |
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271 { |
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272 iObserver.HandleSettingsChangeEventL(); |
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273 } |
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274 |
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275 // --------------------------------------------------------------------------- |
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276 // void CLocNotPrefPluginEngine::Close |
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277 // Closes the running Settings UI prematurely. This would result in dismissing |
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278 // any active dialogs currently running |
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279 // |
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280 // --------------------------------------------------------------------------- |
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281 // |
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282 void CLocNotPrefPluginEngine::Close() |
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283 { |
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284 // If any of the dialogs are active then issue a cancel event on the |
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285 // dialogs |
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286 if( iSettingsDialogOutstanding ) |
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287 { |
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288 TKeyEvent keyEvent; |
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289 keyEvent.iCode = EKeyCBA2; |
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290 keyEvent.iScanCode = EStdKeyDevice1; |
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291 keyEvent.iModifiers = EAllModifiers; |
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292 keyEvent.iRepeats = 0; |
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293 CCoeEnv* cCoeEnv = CCoeEnv::Static(); |
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294 |
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295 // Simulate a Cancel event on the running dialogs. The Simulated event |
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296 // is for the Left Soft Key. |
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297 // Ignore the error incase of a leave |
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298 |
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299 TRAP_IGNORE( cCoeEnv->SimulateKeyEventL( keyEvent, EEventKey )); |
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300 } |
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301 iSettingsDialogOutstanding = EFalse; |
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302 } |
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303 |
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304 // --------------------------------------------------------------------------- |
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305 // void CLocNotPrefPluginEngine::ChangeSysofMeasSettingsL |
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306 // Change System of Measurement settings |
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307 // |
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308 // --------------------------------------------------------------------------- |
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309 // |
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310 void CLocNotPrefPluginEngine::ChangeSysofMeasSettingsL() |
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311 { |
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312 if( iSettingsDialogOutstanding ) |
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313 { |
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314 User::Leave( KErrInUse ); |
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315 } |
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316 // Allocate the descriptor array for Text settings for System |
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317 // of measurement |
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318 CDesCArrayFlat* items = new( ELeave ) CDesCArrayFlat( KNoofSysofMeas ); |
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319 CleanupStack::PushL( items ); |
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320 |
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321 // Append the radio-button list items |
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322 items->AppendL( iMetricSettings->Des()); |
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323 items->AppendL( iImperialSettings->Des()); |
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324 |
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325 // Obtain the current value for current system of measurement |
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326 // This would be used for setting the default value for |
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327 // the text settings page |
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328 |
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329 // The settings value start from 1 whereas the list box items |
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330 // start from 0. Hence, subtract 1 from the current settings |
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331 // value |
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332 TInt currentSettings = iSysofMeasSettings->GetCurrentSysofMeasL() - 1; |
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333 |
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334 CAknRadioButtonSettingPage* dlg = |
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335 new ( ELeave )CAknRadioButtonSettingPage( R_LOC_SYSOFMEAS_SETTINGS, |
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336 currentSettings, |
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337 items ); |
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338 // Settings Outstanding flag is marked True to enable dismissal incase |
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339 // of a Cancel event |
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340 iSettingsDialogOutstanding = ETrue; |
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341 if ( dlg->ExecuteLD( CAknSettingPage::EUpdateWhenChanged )) |
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342 { |
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343 // The settings value start from 1 whereas the list box items |
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344 // start from 0. Hence, add 1 from the current settings |
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345 // value |
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346 TLocSystemofMeasurementValues newValue = |
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347 static_cast<TLocSystemofMeasurementValues>( currentSettings + 1 ); |
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348 iSysofMeasSettings->SetCurrentSysofMeasL( newValue ); |
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349 } |
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350 iSettingsDialogOutstanding = EFalse; |
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351 // Free the items resource |
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352 CleanupStack::PopAndDestroy( items ); |
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353 |
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354 } |
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355 |
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356 // --------------------------------------------------------------------------- |
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357 // void CLocNotPrefPluginEngine::ToggleSysofMeasSettingsL |
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358 // Toggle System of Measurement settings |
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359 // |
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360 // --------------------------------------------------------------------------- |
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361 // |
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362 void CLocNotPrefPluginEngine::ToggleSysofMeasSettingsL() |
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363 { |
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364 if( iSettingsDialogOutstanding ) |
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365 { |
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366 User::Leave( KErrInUse ); |
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367 } |
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368 iSysofMeasSettings->ToggleSysofMeasSettingsL(); |
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369 } |
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370 |
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371 // --------------------------------------------------------------------------- |
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372 // void CLocNotPrefPluginEngine::ToggleSysofMeasSettingsL |
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373 // Change Co-ordinate display format settings |
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374 // |
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375 // --------------------------------------------------------------------------- |
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376 // |
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377 void CLocNotPrefPluginEngine::ChangeCoordinateDisplaySettingsL() |
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378 { |
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379 if( iSettingsDialogOutstanding ) |
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380 { |
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381 User::Leave( KErrInUse ); |
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382 } |
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383 |
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384 // Allocate the descriptor array for Text settings for Co-ordinate display |
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385 // formats |
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386 CDesCArrayFlat* items = new( ELeave ) CDesCArrayFlat( KNoofCordDisplayFormats ); |
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387 CleanupStack::PushL( items ); |
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388 |
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389 // Append the radio-button list items |
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390 items->AppendL( iSecondsSettings->Des()); |
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391 items->AppendL( iMinutesSettings->Des()); |
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392 items->AppendL( iDegreesSettings->Des()); |
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393 |
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394 // Obtain the current value for current system of measurement |
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395 // This would be used for setting the default value for |
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396 // the text settings page |
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397 |
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398 TInt currentSettings = iCordDisplaySettings->GetCurrentDisplayFormatL(); |
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399 |
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400 CAknRadioButtonSettingPage* dlg = |
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401 new ( ELeave )CAknRadioButtonSettingPage( R_LOC_COORDDISPLAY_SETTINGS, |
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402 currentSettings, |
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403 items ); |
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404 |
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405 // Settings Outstanding flag is marked True to enable dismissal incase |
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406 // of a Cancel event |
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407 iSettingsDialogOutstanding = ETrue; |
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408 |
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409 if ( dlg->ExecuteLD( CAknSettingPage::EUpdateWhenAccepted )) |
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410 { |
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411 // The settings value start from 1 whereas the list box items |
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412 // start from 0. Hence, add 1 from the current settings |
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413 // value |
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414 CLocNotPrefCoordinateDisplayAdapter:: |
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415 TCordDisSetListPosition newValue = static_cast< |
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416 CLocNotPrefCoordinateDisplayAdapter::TCordDisSetListPosition>( |
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417 currentSettings ); |
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418 |
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419 iCordDisplaySettings->SetCurrentDisplayFormatL( newValue ); |
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420 } |
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421 |
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422 iSettingsDialogOutstanding = EFalse; |
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423 |
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424 // Free the items resource |
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425 CleanupStack::PopAndDestroy( items ); |
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426 } |
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