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1 /* |
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2 * Copyright (c) 2009 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: Representation of query event condition |
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15 * |
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16 */ |
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17 |
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18 #include "mdeeventcondition.h" |
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19 #include "mdelogiccondition.h" |
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20 #include "mdeeventdef.h" |
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21 #include "mdscommoninternal.h" |
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22 #include "mdepanic.h" |
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23 #include "mdcserializationbuffer.h" |
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24 #include "mdcquery.h" |
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25 |
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26 CMdEEventCondition* CMdEEventCondition::NewL( TItemId aEventId, const CMdEEventDef* aEventDef, |
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27 const TMdETimeRange* aCreationTimeRange, TEventConditionCompareMethod aCompareMethod, |
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28 const TDesC* aString ) |
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29 { |
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30 CMdEEventCondition* self = CMdEEventCondition::NewLC( aEventId, aEventDef, aCreationTimeRange, |
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31 aCompareMethod, aString ); |
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32 CleanupStack::Pop( self ); |
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33 return self; |
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34 } |
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35 |
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36 CMdEEventCondition* CMdEEventCondition::NewLC(TItemId aEventId, const CMdEEventDef* aEventDef, |
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37 const TMdETimeRange* aCreationTimeRange, TEventConditionCompareMethod aCompareMethod, |
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38 const TDesC* aString ) |
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39 { |
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40 CMdEEventCondition* self = new (ELeave) CMdEEventCondition( aEventId, aEventDef ); |
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41 CleanupStack::PushL( self ); |
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42 self->ConstructL( aCreationTimeRange, aCompareMethod, aString ); |
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43 return self; |
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44 } |
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45 |
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46 CMdEEventCondition::CMdEEventCondition(TItemId aEventId, const CMdEEventDef* aEventDef) |
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47 : CMdECondition(EConditionTypeEvent), iEventId(aEventId), iEventDef(aEventDef) |
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48 { |
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49 iCompareMethod = EEventConditionCompareNone; |
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50 iCreationTimeRange = NULL; |
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51 iObjectConditions = NULL; |
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52 iSourceConditions = NULL; |
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53 iParticipantConditions = NULL; |
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54 iURI = NULL; |
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55 } |
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56 |
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57 void CMdEEventCondition::ConstructL(const TMdETimeRange* aCreationTimeRange, |
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58 TEventConditionCompareMethod aCompareMethod, |
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59 const TDesC* aString) |
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60 { |
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61 iCompareMethod = aCompareMethod; |
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62 |
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63 if(aCreationTimeRange) |
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64 { |
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65 // Make a copy of the creation time range. |
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66 iCreationTimeRange = new (ELeave) TMdETimeRange(*aCreationTimeRange); |
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67 } |
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68 |
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69 if(aString) |
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70 { |
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71 switch(aCompareMethod) |
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72 { |
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73 case EEventConditionCompareNone: |
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74 // No comparison specified. |
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75 break; |
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76 |
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77 case EEventConditionCompareSourceURI: |
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78 // Make a copy of the source URI descriptor. |
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79 iURI = aString->AllocL(); |
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80 break; |
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81 |
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82 case EEventConditionCompareParticipantURI: |
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83 // Make a copy of the participant URI descriptor. |
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84 iURI = aString->AllocL(); |
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85 break; |
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86 |
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87 default: |
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88 __ASSERT_DEBUG( EFalse, TMdEPanic::Panic(TMdEPanic::EInternal) ); |
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89 } |
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90 } |
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91 } |
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92 |
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93 |
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94 CMdEEventCondition::~CMdEEventCondition() |
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95 { |
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96 delete iCreationTimeRange; |
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97 delete iObjectConditions; |
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98 delete iSourceConditions; |
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99 delete iParticipantConditions; |
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100 delete iURI; |
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101 } |
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102 |
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103 |
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104 EXPORT_C CMdELogicCondition& CMdEEventCondition::ObjectConditionsL() |
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105 { |
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106 if( !iObjectConditions ) |
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107 { |
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108 iObjectConditions = CMdELogicCondition::NewL( ELogicConditionOperatorAnd ); |
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109 } |
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110 |
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111 return *iObjectConditions; |
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112 } |
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113 |
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114 |
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115 EXPORT_C CMdELogicCondition& CMdEEventCondition::SourceObjectConditionsL() |
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116 { |
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117 if( !iSourceConditions ) |
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118 { |
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119 iSourceConditions = CMdELogicCondition::NewL( ELogicConditionOperatorAnd ); |
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120 } |
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121 |
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122 return *iSourceConditions; |
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123 } |
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124 |
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125 |
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126 EXPORT_C CMdELogicCondition& CMdEEventCondition::ParticipantObjectConditionsL() |
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127 { |
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128 if( !iParticipantConditions ) |
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129 { |
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130 iParticipantConditions = CMdELogicCondition::NewL( ELogicConditionOperatorAnd ); |
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131 } |
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132 |
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133 return *iParticipantConditions; |
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134 } |
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135 |
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136 |
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137 EXPORT_C TItemId CMdEEventCondition::EventId() const |
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138 { |
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139 return iEventId; |
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140 } |
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141 |
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142 |
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143 EXPORT_C const CMdEEventDef* CMdEEventCondition::EventDef() const |
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144 { |
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145 return iEventDef; |
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146 } |
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147 |
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148 |
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149 EXPORT_C const TMdETimeRange* CMdEEventCondition::TimeRange() const |
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150 { |
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151 return iCreationTimeRange; |
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152 } |
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153 |
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154 |
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155 EXPORT_C const TDesC* CMdEEventCondition::SourceURI() const |
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156 { |
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157 if ( iCompareMethod == EEventConditionCompareSourceURI ) |
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158 { |
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159 return iURI; |
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160 } |
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161 |
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162 return NULL; |
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163 } |
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164 |
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165 |
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166 EXPORT_C const TDesC* CMdEEventCondition::ParticipantURI() const |
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167 { |
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168 if ( iCompareMethod == EEventConditionCompareParticipantURI ) |
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169 { |
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170 return iURI; |
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171 } |
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172 |
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173 return NULL; |
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174 } |
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175 |
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176 TUint32 CMdEEventCondition::InternalQueryOptimizationFlags(TUint32& aFlags) |
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177 { |
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178 aFlags |= EContainsEventCondition; |
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179 return EContainsEventCondition; |
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180 } |
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181 |
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182 TUint32 CMdEEventCondition::RequiredBufferSize() const |
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183 { |
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184 TUint32 bufferSize = sizeof( TMdCEventCondition ); |
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185 |
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186 // size of each object to be serialized |
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187 if( iCreationTimeRange ) |
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188 { |
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189 bufferSize += iCreationTimeRange->RequiredBufferSize(); |
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190 } |
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191 |
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192 if( iObjectConditions ) |
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193 { |
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194 bufferSize += iObjectConditions->RequiredBufferSize(); |
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195 } |
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196 |
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197 if( iSourceConditions ) |
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198 { |
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199 bufferSize += iSourceConditions->RequiredBufferSize(); |
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200 } |
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201 |
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202 if( iParticipantConditions ) |
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203 { |
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204 bufferSize += iParticipantConditions->RequiredBufferSize(); |
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205 } |
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206 |
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207 if ( iURI ) |
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208 { |
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209 bufferSize += CMdCSerializationBuffer::RequiredSize( *iURI ); |
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210 } |
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211 |
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212 return bufferSize; |
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213 } |
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214 |
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215 |
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216 void CMdEEventCondition::SerializeL(CMdCSerializationBuffer& aBuffer, |
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217 TMdCOffset& aFreespaceOffset) const |
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218 { |
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219 TMdCEventCondition condition; |
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220 |
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221 condition.iConditionType = iType; |
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222 condition.iNegated = iNegated; |
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223 condition.iCompareMethod = iCompareMethod; |
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224 condition.iEventId = iEventId; |
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225 |
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226 if( iEventDef ) |
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227 { |
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228 condition.iEventDefId = iEventDef->Id(); |
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229 } |
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230 else |
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231 { |
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232 condition.iEventDefId = KNoDefId; |
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233 } |
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234 |
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235 // init offsets to "zero", updated later if needed |
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236 condition.iCreationTimeRange = KNoOffset; |
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237 condition.iObjectCondition = KNoOffset; |
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238 condition.iSourceCondition = KNoOffset; |
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239 condition.iParticipantCondition = KNoOffset; |
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240 condition.iUriCondition = KNoOffset; |
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241 |
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242 const TUint32 conditionOffset = aBuffer.Position(); |
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243 |
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244 // get position after condition |
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245 aFreespaceOffset = conditionOffset + sizeof( TMdCEventCondition ); |
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246 aBuffer.PositionL( aFreespaceOffset ); |
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247 |
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248 if( iCreationTimeRange ) |
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249 { |
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250 condition.iCreationTimeRange = aFreespaceOffset; |
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251 |
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252 iCreationTimeRange->SerializeL( aBuffer ); |
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253 |
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254 aFreespaceOffset = aBuffer.Position(); |
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255 } |
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256 |
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257 if( iObjectConditions ) |
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258 { |
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259 condition.iObjectCondition = aFreespaceOffset; |
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260 |
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261 iObjectConditions->SerializeL( aBuffer, aFreespaceOffset ); |
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262 |
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263 aFreespaceOffset = aBuffer.Position(); |
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264 } |
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265 |
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266 if( iSourceConditions ) |
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267 { |
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268 condition.iSourceCondition = aFreespaceOffset; |
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269 |
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270 iSourceConditions->SerializeL( aBuffer, aFreespaceOffset ); |
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271 |
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272 aFreespaceOffset = aBuffer.Position(); |
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273 } |
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274 |
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275 if( iParticipantConditions ) |
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276 { |
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277 condition.iParticipantCondition = aFreespaceOffset; |
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278 |
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279 iParticipantConditions->SerializeL( aBuffer, aFreespaceOffset ); |
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280 |
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281 aFreespaceOffset = aBuffer.Position(); |
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282 } |
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283 |
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284 if ( ( EEventConditionCompareSourceURI == iCompareMethod ) || |
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285 ( EEventConditionCompareParticipantURI == iCompareMethod ) ) |
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286 { |
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287 condition.iUriCondition = aFreespaceOffset; |
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288 |
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289 aBuffer.InsertL( *iURI ); |
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290 |
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291 aFreespaceOffset = aBuffer.Position(); |
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292 } |
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293 |
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294 aBuffer.PositionL( conditionOffset ); |
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295 |
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296 condition.SerializeL( aBuffer ); |
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297 } |