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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: CCFCount 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 "cfcount.h" |
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22 #include "cfcountoneshot.h" |
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23 #include "cfcountrepeating.h" |
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24 #include "cfcontextoperationutils.h" |
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25 #include "cfbasicoptrace.h" |
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26 |
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27 #include <cfcontextobject.h> |
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28 #include <gmxmlelement.h> |
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29 #include <s32strm.h> |
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30 |
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31 // CONSTANTS |
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32 _LIT( KScriptCountName, "count" ); |
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33 _LIT( KScriptRepeatIntervalAttribute, "repeatInterval" ); |
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34 _LIT( KScriptOneShotAtAttribute, "oneShotAt" ); |
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35 |
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36 static const TUint KInitialCount = 0; |
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37 |
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38 |
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39 // ======== MEMBER FUNCTIONS ======== |
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40 |
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41 // --------------------------------------------------------------------------- |
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42 // CCFCount::CCFCount |
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43 // C++ default constructor can NOT contain any code, that might leave. |
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44 // --------------------------------------------------------------------------- |
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45 // |
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46 CCFCount::CCFCount( MCFOperationServices& aServices, |
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47 CCFOperationNode* aParent, |
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48 HBufC* aName, |
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49 HBufC* aSource, |
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50 const CCFContextOperation::TCmpType aType, |
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51 const TUint aCount, |
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52 const TCountType aCountType ) |
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53 : CCFContextOperation( aServices, aParent, aName, aSource ), |
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54 iType( aType ), |
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55 iCurrentCount( KInitialCount ), |
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56 iActive( EFalse ), |
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57 iFinished( EFalse ), |
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58 iCmpCount( aCount ), |
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59 iCountType( aCountType ) |
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60 { |
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61 FUNC_LOG; |
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62 |
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63 if ( iCmpCount == KInitialCount ) |
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64 { |
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65 iValue = ECFConditionTrue; |
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66 } |
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67 else |
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68 { |
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69 iValue = ECFConditionFalse; |
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70 } |
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71 } |
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72 |
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73 // --------------------------------------------------------------------------- |
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74 // CCFCount::ConstructL |
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75 // Symbian 2nd phase constructor can leave. |
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76 // --------------------------------------------------------------------------- |
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77 // |
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78 void CCFCount::ConstructL( const TDesC& aCmpVal ) |
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79 { |
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80 FUNC_LOG; |
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81 |
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82 iCmpValue = aCmpVal.AllocL(); |
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83 } |
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84 |
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85 // ----------------------------------------------------------------------------- |
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86 // CCFCount::ParseL |
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87 // Construction with parsing from a DOM node. |
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88 // ----------------------------------------------------------------------------- |
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89 // |
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90 CCFCount* CCFCount::ParseL( MCFOperationServices& aServices, |
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91 CCFOperationNode* aParent, |
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92 CMDXMLNode& aNode ) |
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93 { |
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94 FUNC_LOG; |
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95 |
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96 if ( aNode.NodeName().CompareF( KScriptCountName ) != 0 |
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97 || aNode.NodeType() != CMDXMLNode::EElementNode ) |
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98 { |
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99 return NULL; // Cannot create count operation from the given node. |
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100 } |
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101 |
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102 CCFCount* self = NULL; |
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103 // Check & get count attribute. |
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104 CMDXMLElement& element = static_cast< CMDXMLElement& >( aNode ); |
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105 TPtrC countAttributeValue; |
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106 if ( KErrNone == element.GetAttribute( KScriptRepeatIntervalAttribute, |
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107 countAttributeValue ) ) |
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108 { |
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109 self = CCFCountRepeating::ParseL( aServices, aParent, aNode ); |
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110 } |
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111 else if ( KErrNone == element.GetAttribute( KScriptOneShotAtAttribute, |
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112 countAttributeValue ) ) |
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113 { |
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114 self = CCFCountOneShot::ParseL( aServices, aParent, aNode ); |
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115 } |
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116 else |
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117 { |
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118 INFO( "CCFCount::ParseL - count missing required attribute" ); |
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119 } |
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120 |
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121 CREATE_DOM_INFO( self, aNode ); |
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122 |
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123 return self; |
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124 } |
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125 |
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126 |
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127 // Destructor |
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128 CCFCount::~CCFCount() |
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129 { |
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130 FUNC_LOG; |
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131 |
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132 delete iCmpValue; |
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133 delete iPersistencyFile; |
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134 } |
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135 |
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136 |
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137 //----------------------------------------------------------------------------- |
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138 // CCFCount::InternalizeL |
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139 //----------------------------------------------------------------------------- |
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140 // |
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141 void CCFCount::InternalizeL( RReadStream& aStream ) |
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142 { |
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143 FUNC_LOG; |
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144 |
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145 iValue = static_cast< TCFConditionValue >( aStream.ReadInt32L() ); |
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146 iCurrentCount = aStream.ReadUint32L(); |
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147 iFinished = aStream.ReadInt8L(); |
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148 iReEvaluateFromNextContext = aStream.ReadInt8L(); |
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149 } |
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150 |
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151 //----------------------------------------------------------------------------- |
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152 // CCFCount::ExternalizeL |
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153 //----------------------------------------------------------------------------- |
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154 // |
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155 void CCFCount::ExternalizeL( RWriteStream& aStream ) |
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156 { |
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157 FUNC_LOG; |
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158 |
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159 aStream.WriteInt32L( iValue ); |
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160 aStream.WriteUint32L( iCurrentCount ); |
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161 aStream.WriteInt8L( iFinished ); |
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162 aStream.WriteInt8L( iReEvaluateFromNextContext ); |
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163 } |
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164 |
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165 //----------------------------------------------------------------------------- |
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166 // CCFCount::Cleanup |
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167 //----------------------------------------------------------------------------- |
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168 // |
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169 void CCFCount::Cleanup() |
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170 { |
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171 FUNC_LOG; |
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172 |
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173 if ( iPersistencyFile ) |
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174 { |
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175 iServices.Delete( *iPersistencyFile ); |
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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 // CCFCount::IsAllRequired |
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182 // --------------------------------------------------------------------------- |
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183 // |
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184 TBool CCFCount::IsAllRequired() const |
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185 { |
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186 FUNC_LOG; |
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187 |
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188 if ( iCountType == ECountTypeTrigger ) |
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189 { |
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190 return ETrue; |
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191 } |
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192 else |
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193 { |
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194 return EFalse; |
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195 } |
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196 } |
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197 |
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198 // --------------------------------------------------------------------------- |
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199 // CCFCount::Evaluate |
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200 // --------------------------------------------------------------------------- |
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201 // |
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202 TBool CCFCount::Evaluate( const CCFContextObject& aContext, |
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203 TInt& aContextLevelDelay ) |
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204 { |
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205 FUNC_LOG; |
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206 |
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207 DOM_INFO( "CCFCount::Evaluate" ); |
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208 |
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209 TBool evaluated( EFalse ); |
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210 TInt err( KErrNone ); |
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211 TRAP( err, evaluated = DoEvaluateL( aContext ) ); |
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212 ERROR( err, "CCFCount::Evaluate - call to DoEvaluateL leaved" ); |
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213 |
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214 aContextLevelDelay = iContextLevelDelay; |
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215 return evaluated; |
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216 } |
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217 |
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218 // --------------------------------------------------------------------------- |
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219 // CCFCount::ActivateL |
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220 // --------------------------------------------------------------------------- |
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221 // |
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222 void CCFCount::ActivateL() |
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223 { |
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224 FUNC_LOG; |
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225 |
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226 if ( !iFinished && iPersistencyFile ) |
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227 { |
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228 iServices.RestoreL( *iPersistencyFile, *this ); |
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229 } |
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230 |
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231 if ( !iFinished && !iActive ) |
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232 { |
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233 iServices.SubscribeContextL( this ); |
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234 // Activate now to prevent pre-evaluation with possible cached context. |
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235 iActive = ETrue; |
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236 } |
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237 |
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238 // Assure that parent will be initialized correctly. |
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239 if ( iParent ) |
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240 { |
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241 iParent->Evaluate(); |
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242 } |
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243 } |
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244 |
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245 // --------------------------------------------------------------------------- |
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246 // CCFCount::Deactivate |
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247 // --------------------------------------------------------------------------- |
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248 // |
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249 void CCFCount::Deactivate() |
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250 { |
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251 FUNC_LOG; |
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252 |
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253 if ( iActive ) |
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254 { |
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255 iActive = EFalse; |
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256 iServices.RemoveSubscription( this ); |
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257 } |
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258 |
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259 if ( iPersistencyFile ) |
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260 { |
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261 TRAP_IGNORE( iServices.StoreL( *iPersistencyFile, *this ) ); |
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262 } |
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263 } |
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264 |
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265 // --------------------------------------------------------------------------- |
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266 // CCFCount::DoEvaluateL |
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267 // --------------------------------------------------------------------------- |
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268 // |
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269 TBool CCFCount::DoEvaluateL( const CCFContextObject& aContext ) |
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270 { |
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271 FUNC_LOG; |
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272 |
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273 TBool evaluated( ETrue ); |
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274 if ( !iActive ) |
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275 { |
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276 INFO( "CCFCount::Evaluate - SKIPPED, count not active!" ); |
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277 evaluated = EFalse; |
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278 |
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279 return evaluated; |
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280 } |
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281 |
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282 if ( !CountContextL( aContext ) ) |
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283 { |
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284 if ( iReEvaluateFromNextContext |
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285 && iCountType == CCFCount::ECountTypeTrigger ) |
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286 { |
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287 INFO( "CCFCount::Evaluate - Trigger type, re-evaluating parent" ); |
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288 |
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289 iReEvaluateFromNextContext = EFalse; |
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290 if ( iParent ) |
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291 { |
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292 iParent->Evaluate(); |
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293 } |
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294 |
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295 if ( iPersistencyFile ) |
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296 { |
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297 iServices.StoreL( *iPersistencyFile, *this ); |
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298 } |
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299 } |
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300 else |
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301 { |
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302 INFO( "CCFCount::Evaluate - SKIPPED, count not counting this context!" ); |
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303 evaluated = EFalse; |
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304 } |
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305 |
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306 return evaluated; |
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307 } |
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308 |
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309 // Ask concrete implementation if it is true. |
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310 TBool val = IsTrueL( aContext ); |
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311 |
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312 // Evaluate parents if value changed. |
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313 if ( val != iValue ) |
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314 { |
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315 INFO_1( "CCFCount::Evaluate - Value changed to (-1=undefined, 0=false, 1=true): %d", val ); |
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316 |
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317 iValue = static_cast< TCFConditionValue >( val ); |
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318 if ( iParent ) |
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319 { |
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320 iParent->Evaluate(); |
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321 } |
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322 iReEvaluateFromNextContext = EFalse; |
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323 |
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324 if ( iValue == CCFOperationNode::ECFConditionTrue |
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325 && iCountType == CCFCount::ECountTypeTrigger ) |
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326 { |
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327 INFO( "CCFCount::Evaluate - Trigger type, value changed to false" ); |
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328 |
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329 iValue = CCFOperationNode::ECFConditionFalse; |
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330 iReEvaluateFromNextContext = ETrue; |
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331 } |
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332 } |
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333 else |
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334 { |
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335 INFO_1( "CCFCount::Evaluate - Value still (-1=undefined, 0=false, 1=true): %d", val ); |
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336 |
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337 if ( iValue == CCFOperationNode::ECFConditionFalse |
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338 && iCountType == CCFCount::ECountTypeTrigger |
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339 && iReEvaluateFromNextContext ) |
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340 { |
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341 INFO( "CCFCount::Evaluate - Trigger type, parent re-evaluated now!" ); |
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342 |
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343 iReEvaluateFromNextContext = EFalse; |
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344 if ( iParent ) |
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345 { |
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346 iParent->Evaluate(); |
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347 } |
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348 } |
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349 } |
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350 |
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351 if ( iPersistencyFile ) |
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352 { |
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353 iServices.StoreL( *iPersistencyFile, *this ); |
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354 } |
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355 |
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356 return evaluated; |
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357 } |
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358 |
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359 // --------------------------------------------------------------------------- |
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360 // CCFCount::CountContextL |
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361 // --------------------------------------------------------------------------- |
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362 // |
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363 TBool CCFCount::CountContextL( const CCFContextObject& aContext ) |
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364 { |
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365 FUNC_LOG; |
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366 |
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367 TBool counted( EFalse ); |
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368 if ( aContext.Source() == Source() && aContext.Type() == Type() ) |
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369 { |
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370 if ( iCmpValue->Length() == 0 ) |
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371 { |
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372 ++iCurrentCount; |
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373 counted = ETrue; |
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374 } |
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375 else |
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376 { |
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377 TBool cmpValue( EFalse ); |
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378 switch ( iType ) |
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379 { |
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380 case CCFContextOperation::EIntCmp: |
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381 { |
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382 TInt a = CFContextOperationUtils::StringToIntL( |
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383 *iCmpValue ); |
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384 TInt b = CFContextOperationUtils::StringToIntL( |
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385 aContext.Value() ); |
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386 cmpValue = ( a == b ); |
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387 break; |
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388 } |
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389 case CCFContextOperation::ETimeCmp: |
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390 { |
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391 TTime a = CFContextOperationUtils::StringToTimeL( |
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392 *iCmpValue ); |
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393 TTime b = CFContextOperationUtils::StringToTimeL( |
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394 aContext.Value() ); |
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395 cmpValue = ( a == b ); |
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396 break; |
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397 } |
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398 case CCFContextOperation::EFloatCmp: |
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399 { |
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400 TReal a = CFContextOperationUtils::StringToRealL( |
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401 *iCmpValue ); |
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402 TReal b = CFContextOperationUtils::StringToRealL( |
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403 aContext.Value() ); |
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404 cmpValue = ( a == b ); |
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405 break; |
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406 } |
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407 case CCFContextOperation::EStringCmp: |
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408 default: |
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409 { |
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410 cmpValue = ( *iCmpValue == aContext.Value() ); |
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411 break; |
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412 } |
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413 } |
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414 |
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415 if ( cmpValue ) |
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416 { |
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417 ++iCurrentCount; |
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418 counted = ETrue; |
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419 } |
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420 } |
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421 } |
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422 else |
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423 { |
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424 // Count type must be trigger. |
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425 if ( iCountType != CCFCount::ECountTypeTrigger ) |
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426 { |
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427 ERROR_GEN( "CCFCount::CountContext - count is NOT trigger type!" ); |
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428 } |
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429 } |
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430 |
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431 return counted; |
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432 } |