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1 /* |
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2 * Copyright (c) 2007-2008 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 |
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19 #include "hnmdmenuitem.h" |
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20 #include "hnglobals.h" |
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21 #include "hnconvutils.h" |
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22 #include "hnstringhandler.h" |
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23 #include "hnconditioninterface.h" |
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24 #include "hnmdeventmappingelement.h" |
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25 #include "hnmdevent.h" |
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26 #include "hnmenuitemmodel.h" |
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27 #include "hnconditionfactory.h" |
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28 |
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29 // ======== MEMBER FUNCTIONS ======== |
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30 |
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31 // --------------------------------------------------------------------------- |
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32 // |
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33 // --------------------------------------------------------------------------- |
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34 // |
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35 void CHnMdMenuItem::AppendChildItemL( CHnMdMenuItem* aMenuItem ) |
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36 { |
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37 iChildren.AppendL( aMenuItem ); |
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38 } |
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39 |
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40 // --------------------------------------------------------------------------- |
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41 // |
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42 // --------------------------------------------------------------------------- |
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43 // |
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44 void CHnMdMenuItem::EvaluateL( CHnMenuItemModel* aMenuModel, |
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45 const CLiwGenericParamList& aQueriesResultsList, TInt aPos ) |
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46 { |
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47 for ( TInt i( 0 ); i < iChildren.Count(); i++ ) |
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48 { |
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49 CHnMdMenuItem* mdMenu = iChildren[ i ]; |
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50 if ( mdMenu->IsValidL( aQueriesResultsList, aPos ) ) |
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51 { |
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52 CHnMenuItemModel* menu = CHnMenuItemModel::NewL( mdMenu->NameL() ); |
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53 mdMenu->EvaluateL( menu, aQueriesResultsList, aPos ); |
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54 aMenuModel->AppendChildMenuL( menu ); |
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55 } |
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56 } |
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57 aMenuModel->SetCommand( iEvent ); |
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58 aMenuModel->SetPosition( iPosition ); |
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59 aMenuModel->SetItemSpecific( iSpecific ); |
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60 } |
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61 |
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62 // --------------------------------------------------------------------------- |
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63 // ConstructL takes as an argument an item xml element. It iterates through |
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64 // item elements in order to find menuitems. |
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65 // --------------------------------------------------------------------------- |
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66 // |
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67 void CHnMdMenuItem::CreatePropertiesL( TXmlEngElement aElement, |
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68 THnMdCommonPointers* /* aCmnPtrs */ ) |
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69 { |
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70 iSpecific = !aElement.Name().Compare( KMenuItemSpecificElementName8 ); |
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71 |
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72 // name |
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73 HBufC* name = HnConvUtils::Str8ToStrLC( |
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74 aElement.AttributeValueL( KName8 ) ); |
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75 iName.Assign(name); |
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76 CleanupStack::Pop( name ); |
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77 |
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78 // position |
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79 TPtrC8 pos = aElement.AttributeValueL( KPositionAttrName8 ); |
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80 TLex8 lexPosition ( pos ); |
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81 User::LeaveIfError( lexPosition.Val( iPosition ) ); |
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82 |
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83 // event |
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84 if( aElement.AttributeValueL( KEventAttrName8 ).Length() && |
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85 !aElement.HasChildNodes() ) |
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86 { // there might not be the event attribute - submenues |
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87 TPtrC8 event = aElement.AttributeValueL( KEventAttrName8 ); |
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88 TLex8 lex( event ); |
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89 User::LeaveIfError( lex.Val( iEvent ) ); |
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90 } |
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91 |
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92 // condition |
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93 if( aElement.AttributeValueL( KMenuConditionAttrName8 ).Length() ) |
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94 { |
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95 iCondition = HnConditionFactory::NewL( |
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96 aElement.AttributeNodeL( KMenuConditionAttrName8 ) ); |
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97 } |
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98 } |
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99 |
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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 void CHnMdMenuItem::CreateChildrenL( TXmlEngElement aElement, |
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105 THnMdCommonPointers* aCmnPtrs ) |
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106 { |
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107 RXmlEngNodeList< TXmlEngElement > children; |
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108 CleanupClosePushL( children ); |
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109 aElement.GetChildElements( children ); |
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110 TInt count = children.Count(); |
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111 |
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112 for ( TInt i = 0; i < count; i++ ) |
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113 { |
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114 TXmlEngElement child = children.Next(); |
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115 if ( !child.Name().Compare( KMenuItemElementName8 ) |
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116 || !child.Name().Compare( KMenuItemSpecificElementName8 ) ) |
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117 { |
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118 AppendChildItemL( CHnMdMenuItem::NewL( child, aCmnPtrs ) ); |
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119 } |
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120 } |
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121 CleanupStack::PopAndDestroy( &children ); |
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122 } |
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123 |
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124 // --------------------------------------------------------------------------- |
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125 // ConstructL takes as an argument an item xml element. It iterates through |
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126 // item elements in order to find menuitems. |
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127 // --------------------------------------------------------------------------- |
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128 // |
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129 void CHnMdMenuItem::ConstructL( TXmlEngElement aElement, |
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130 THnMdCommonPointers* aCmnPtrs ) |
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131 { |
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132 if ( !aElement.Name().Compare( KMenuItemElementName8 ) |
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133 || !aElement.Name().Compare( KMenuItemSpecificElementName8 ) ) |
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134 { // this is an ordinary menu item |
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135 CreatePropertiesL( aElement, aCmnPtrs ); |
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136 CreateChildrenL( aElement, aCmnPtrs ); // in case there are subitems |
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137 } |
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138 else |
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139 { // this is the root level |
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140 CreateChildrenL( aElement, aCmnPtrs ); |
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141 } |
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142 } |
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143 |
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144 // --------------------------------------------------------------------------- |
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145 // |
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146 // --------------------------------------------------------------------------- |
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147 // |
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148 CHnMdMenuItem* CHnMdMenuItem::NewL( TXmlEngElement aElement, |
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149 THnMdCommonPointers* aCmnPtrs ) |
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150 { |
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151 CHnMdMenuItem* self = CHnMdMenuItem::NewLC( aElement, aCmnPtrs ); |
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152 CleanupStack::Pop( self ); |
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153 return self; |
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154 } |
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155 |
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156 // --------------------------------------------------------------------------- |
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157 // |
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158 // --------------------------------------------------------------------------- |
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159 // |
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160 CHnMdMenuItem* CHnMdMenuItem::NewLC( TXmlEngElement aElement, |
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161 THnMdCommonPointers* aCmnPtrs ) |
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162 { |
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163 CHnMdMenuItem* self = new( ELeave ) CHnMdMenuItem; |
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164 CleanupStack::PushL( self ); |
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165 self->ConstructL( aElement, aCmnPtrs ); |
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166 return self; |
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167 } |
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168 |
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169 // --------------------------------------------------------------------------- |
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170 // |
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171 // --------------------------------------------------------------------------- |
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172 // |
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173 CHnMdMenuItem::CHnMdMenuItem() |
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174 { |
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175 } |
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176 |
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177 // --------------------------------------------------------------------------- |
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178 // |
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179 // --------------------------------------------------------------------------- |
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180 // |
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181 CHnMdMenuItem::~CHnMdMenuItem() |
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182 { |
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183 iName.Close(); |
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184 iChildren.ResetAndDestroy(); |
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185 iNameValueCache.Close(); |
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186 delete iCondition; |
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187 } |
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188 |
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189 // --------------------------------------------------------------------------- |
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190 // |
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191 // --------------------------------------------------------------------------- |
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192 // |
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193 const TDesC& CHnMdMenuItem::NameL() |
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194 { |
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195 iNameValueCache.Close(); |
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196 HnStringHandler::LocaliseL( iNameValueCache, iName, NULL /*common params*/); |
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197 return iNameValueCache; |
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198 } |
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199 |
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200 // --------------------------------------------------------------------------- |
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201 // |
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202 // --------------------------------------------------------------------------- |
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203 // |
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204 TBool CHnMdMenuItem::IsValidL( const CLiwGenericParamList& aQueryResults, |
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205 TInt aPos ) |
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206 { |
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207 TBool ret( EFalse ); |
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208 if( !iCondition || iCondition->ResultL( aQueryResults, aPos ) ) |
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209 { |
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210 ret = ETrue; |
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211 } |
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212 return ret; |
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213 } |
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214 |