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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: CCFNotOperation class implementation. |
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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 |
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20 // INCLUDES |
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21 #include "cfnotoperation.h" |
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22 #include "cfbasicoptrace.h" |
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23 |
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24 #include <gmxmlnode.h> |
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25 |
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26 // CONSTANTS |
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27 _LIT( KScriptNotName, "not" ); |
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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 // CCFNotOperation::CCFNotOperation |
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33 // C++ default constructor can NOT contain any code, that might leave. |
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34 // --------------------------------------------------------------------------- |
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35 // |
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36 CCFNotOperation::CCFNotOperation( MCFOperationServices& aServices, |
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37 CCFOperationNode* aParent ) |
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38 : CCFOperationNode( aServices, aParent ) |
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39 { |
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40 FUNC_LOG; |
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41 } |
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42 |
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43 // --------------------------------------------------------------------------- |
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44 // CCFNotOperation::ConstructL |
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45 // Symbian 2nd phase constructor can leave. |
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46 // --------------------------------------------------------------------------- |
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47 // |
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48 void CCFNotOperation::ConstructL() |
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49 { |
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50 FUNC_LOG; |
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51 } |
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52 |
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53 // --------------------------------------------------------------------------- |
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54 // CCFNotOperation::NewL |
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55 // Two-phased constructor. |
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56 // --------------------------------------------------------------------------- |
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57 // |
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58 CCFNotOperation* CCFNotOperation::NewL( MCFOperationServices& aServices, |
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59 CCFOperationNode* aParent ) |
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60 { |
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61 FUNC_LOG; |
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62 |
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63 CCFNotOperation* self = NewLC( aServices, aParent ); |
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64 CleanupStack::Pop( self ); |
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65 return self; |
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66 } |
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67 |
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68 // --------------------------------------------------------------------------- |
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69 // CCFNotOperation::NewLC |
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70 // Two-phased constructor. |
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71 // --------------------------------------------------------------------------- |
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72 // |
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73 CCFNotOperation* CCFNotOperation::NewLC( MCFOperationServices& aServices, |
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74 CCFOperationNode* aParent ) |
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75 { |
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76 FUNC_LOG; |
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77 |
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78 CCFNotOperation* self = new( ELeave ) CCFNotOperation( aServices, aParent ); |
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79 CleanupStack::PushL( self ); |
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80 self->ConstructL(); |
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81 return self; |
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82 } |
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83 |
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84 // ----------------------------------------------------------------------------- |
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85 // CCFNotOperation::ParseL |
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86 // Construction with parsing from a DOM node. |
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87 // ----------------------------------------------------------------------------- |
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88 // |
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89 CCFNotOperation* CCFNotOperation::ParseL( MCFOperationServices& aServices, |
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90 CCFOperationNode* aParent, |
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91 CMDXMLNode& aNode ) |
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92 { |
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93 FUNC_LOG; |
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94 |
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95 if ( aNode.NodeName().CompareF( KScriptNotName ) != 0 ) |
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96 { |
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97 return NULL; // Cannot create and operation from the given node. |
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98 } |
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99 |
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100 CCFNotOperation* self = NewLC( aServices, aParent ); // CLEANUP<< self |
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101 |
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102 TBool unsupportedNode( EFalse ); |
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103 CMDXMLNode* child = aNode.FirstChild(); |
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104 while ( child ) |
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105 { |
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106 if ( child->NodeType() == CMDXMLNode::EElementNode ) |
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107 { |
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108 if ( self->iChild ) |
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109 { |
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110 TPtrC nodeName( child->NodeName() ); |
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111 INFO_1( "CCFNotOperation::ParseL - One child operation is allowed. [%S] is not supported", |
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112 &nodeName ); |
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113 unsupportedNode = ETrue; |
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114 break; |
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115 } |
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116 CCFOperationNode* op = self->iServices.ParseL( self, *child ); |
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117 if ( op ) |
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118 { |
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119 self->iChild = op; |
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120 } |
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121 else |
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122 { |
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123 unsupportedNode = ETrue; |
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124 break; |
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125 } |
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126 } |
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127 else if ( child->NodeType() != CMDXMLNode::ECommentNode ) |
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128 { |
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129 unsupportedNode = ETrue; |
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130 break; |
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131 } |
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132 child = child->NextSibling(); |
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133 } |
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134 |
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135 CleanupStack::Pop( self ); // CLEANUP<< self |
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136 if ( unsupportedNode || !self->iChild ) |
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137 { |
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138 delete self; // Discard unsupported not operation. |
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139 self = NULL; |
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140 |
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141 if ( unsupportedNode ) |
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142 { |
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143 TPtrC nodeName( child->NodeName() ); |
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144 INFO_1( "CCFNotOperation::ParseL - Unsupported node [%S]", |
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145 &nodeName ); |
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146 } |
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147 else |
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148 { |
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149 INFO( "CCFNotOperation::ParseL - No child defined" ); |
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150 } |
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151 } |
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152 |
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153 CREATE_DOM_INFO( self, aNode ); |
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154 |
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155 return self; |
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156 } |
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157 |
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158 |
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159 // Destructor |
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160 CCFNotOperation::~CCFNotOperation() |
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161 { |
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162 FUNC_LOG; |
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163 |
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164 delete iChild; |
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165 } |
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166 |
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167 |
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168 // --------------------------------------------------------------------------- |
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169 // CCFNotOperation::ActivateL |
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170 // --------------------------------------------------------------------------- |
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171 // |
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172 void CCFNotOperation::ActivateL() |
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173 { |
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174 FUNC_LOG; |
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175 |
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176 if ( iChild ) |
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177 { |
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178 iChild->ActivateL(); |
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179 } |
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180 } |
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181 |
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182 // --------------------------------------------------------------------------- |
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183 // CCFNotOperation::Deactivate |
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184 // --------------------------------------------------------------------------- |
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185 // |
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186 void CCFNotOperation::Deactivate() |
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187 { |
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188 FUNC_LOG; |
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189 |
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190 if ( iChild ) |
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191 { |
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192 iChild->Deactivate(); |
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193 } |
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194 } |
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195 |
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196 // --------------------------------------------------------------------------- |
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197 // CCFNotOperation::CheckSecurity |
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198 // --------------------------------------------------------------------------- |
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199 // |
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200 TInt CCFNotOperation::CheckSecurity() |
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201 { |
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202 FUNC_LOG; |
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203 |
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204 TInt err( KErrNone ); |
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205 // Check security for context subscriptions. |
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206 if ( iChild ) |
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207 { |
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208 err = iChild->CheckSecurity(); |
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209 } |
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210 |
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211 return err; |
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212 } |
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213 |
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214 // --------------------------------------------------------------------------- |
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215 // CCFNotOperation::Evaluate |
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216 // --------------------------------------------------------------------------- |
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217 // |
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218 void CCFNotOperation::Evaluate() |
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219 { |
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220 FUNC_LOG; |
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221 |
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222 DOM_INFO( "CCFNotOperation::Evaluate" ); |
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223 |
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224 TCFConditionValue newValue( Value() ); |
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225 if ( iChild ) |
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226 { |
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227 newValue = iChild->Value(); |
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228 } |
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229 |
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230 if ( newValue == ECFConditionUndefined ) |
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231 { |
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232 // Do nothing, not undefined = undefined. |
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233 } |
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234 else |
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235 { |
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236 newValue = ( TCFConditionValue )( !newValue ); |
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237 } |
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238 |
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239 if ( newValue != Value() ) |
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240 { |
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241 INFO_1( "CCFNotOperation::Evaluate - Value changed to (-1=undefined, 0=false, 1=true): %d", newValue ); |
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242 |
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243 iValue = newValue; |
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244 if ( iParent ) |
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245 { |
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246 iParent->Evaluate(); |
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247 } |
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248 } |
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249 else |
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250 { |
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251 INFO_1( "CCFNotOperation::Evaluate - Value still (-1=undefined, 0=false, 1=true): %d", newValue ); |
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252 } |
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253 } |
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254 |
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255 // ----------------------------------------------------------------------------- |
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256 // CCFNotOperation::Cleanup |
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257 // ----------------------------------------------------------------------------- |
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258 // |
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259 void CCFNotOperation::Cleanup() |
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260 { |
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261 FUNC_LOG; |
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262 |
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263 if ( iChild ) |
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264 { |
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265 iChild->Cleanup(); |
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266 } |
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267 } |