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1 // Copyright (c) 1997-2009 Nokia Corporation and/or its subsidiary(-ies). |
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2 // All rights reserved. |
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3 // This component and the accompanying materials are made available |
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4 // under the terms of "Eclipse Public License v1.0" |
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5 // which accompanies this distribution, and is available |
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6 // at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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7 // |
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8 // Initial Contributors: |
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9 // Nokia Corporation - initial contribution. |
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10 // |
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11 // Contributors: |
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12 // |
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13 // Description: |
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14 // |
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15 |
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16 #include "agnversit.h" |
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17 #include <vtzrules.h> |
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18 #include <ecom/implementationproxy.h> |
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19 #include <calrrule.h> |
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20 #include <calentry.h> |
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21 #include <caldataformat.h> |
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22 |
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23 /** |
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24 @internalComponent |
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25 */ |
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26 template<class T> void CalCleanup<T>::PushResetAndDestroyL(T& aRef) |
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27 { |
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28 CleanupStack::PushL(TCleanupItem(ResetAndDestroy, &aRef)); |
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29 } |
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30 |
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31 /** |
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32 @internalComponent |
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33 */ |
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34 template<class T> void CalCleanup<T>::PushResetL(T& aRef) |
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35 { |
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36 CleanupStack::PushL(TCleanupItem(Reset, &aRef)); |
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37 } |
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38 |
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39 /** |
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40 @internalComponent |
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41 */ |
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42 template <class T> void CalCleanup<T>::ResetAndDestroy(TAny* aPtr) |
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43 { |
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44 T* self = static_cast<T*>(aPtr); |
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45 if (self) |
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46 { |
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47 self->ResetAndDestroy(); |
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48 } |
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49 } |
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50 |
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51 /** |
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52 @internalComponent |
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53 */ |
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54 template <class T> void CalCleanup<T>::Reset(TAny* aPtr) |
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55 { |
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56 T self = static_cast<T>(aPtr); |
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57 if (self) |
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58 { |
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59 self->Reset(); |
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60 } |
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61 } |
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62 |
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63 /** Global function for ease of use of CalCleanup template class |
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64 @internalComponent |
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65 */ |
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66 template<class T> void CleanupResetAndDestroyPushL(T& aRef) |
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67 { |
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68 CalCleanup<T>::PushResetAndDestroyL(aRef); |
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69 } |
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70 |
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71 /** Global function for ease of use of CalCleanup template class |
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72 @internalComponent |
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73 */ |
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74 template<class T> void CleanupResetPushL(T& aRef) |
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75 { |
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76 CalCleanup<T>::PushResetL(aRef); |
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77 } |
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78 |
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79 |
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80 /** |
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81 * Imports a <code>vCalendar</code> consisting of one or more |
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82 * <code>vCalendar</code> entities. |
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83 * |
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84 * The <code>vCalendar</code> is read from the read stream specified and |
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85 * its entities are converted into EPOC agenda entries and returned in |
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86 * the array <code>aEntryArray</code>. |
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87 * |
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88 * @param "RReadStream& aReadStream" |
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89 * The read stream which contains the |
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90 * <code>vCalendar</code>. |
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91 * @param "CArrayPtr<CCalEntry>* aEntryArray" |
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92 * On return, a list of the agenda entries which were |
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93 * imported from the <code>vCalendar</code>. The list |
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94 * contains the <code>vEvents</code> followed by the |
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95 * <code>vTodos</code>. |
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96 */ |
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97 void CAgnVCalConverter::ImportVCalL(TInt aFlags, RReadStream& aReadStream, RPointerArray<CCalEntry>& aEntryArray) |
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98 |
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99 { |
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100 // Create a new converter object |
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101 CVCalToAgendaEntryConverter* converter = new(ELeave)CVCalToAgendaEntryConverter(); |
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102 CleanupStack::PushL(converter); |
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103 |
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104 // Create a parser to internalize the entries |
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105 CParserVCal* vCal = CParserVCal::NewL(); |
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106 CleanupStack::PushL(vCal); |
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107 |
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108 // Japan uses SHIFT-JIS as the default charset contrary to |
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109 // the vCalendar Specification which says that the default |
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110 // charset should be US-ASCII. |
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111 // In order to provide interoperability with this market |
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112 // segment, allow a flag to override the default charset in versit. |
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113 if(aFlags & KCalDataExchangeDefaultShiftJIS) |
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114 { |
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115 vCal->SetDefaultCharSet(Versit::EShiftJISCharSet); |
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116 vCal->SetFlags(CVersitParser::EUseDefaultCharSetForAllProperties); |
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117 } |
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118 vCal->InternalizeL(aReadStream); |
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119 |
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120 |
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121 // Set the time zone converter. iTzConverter may be NULL if the optional |
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122 // time zone conversion service is not available. In this case all imported times |
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123 // will be exported as local time. |
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124 if (iTzConnected) |
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125 { |
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126 converter->SetTzConverter(&iTzServer); |
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127 } |
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128 |
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129 if (aFlags & KCalDataExchangeImportStatusAsVCalendar) |
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130 { |
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131 converter->SetImportVCalendarValues(ETrue); |
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132 } |
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133 else |
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134 { |
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135 converter->SetImportVCalendarValues(ETrue); |
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136 } |
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137 |
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138 converter->SetTzRules(ImportTzRulesL(*vCal)); // converter takes ownership of rules collection. |
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139 |
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140 CArrayPtr<CVersitParser>* entities = vCal->ArrayOfEntities(EFalse); //doesn't take ownership |
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141 if (entities) |
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142 { |
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143 TInt count = entities->Count(); |
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144 for (TInt i=0; i<count; i++) |
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145 { |
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146 CVersitParser& parser = *((*entities)[i]); |
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147 converter->ImportVCalL(parser, aEntryArray); |
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148 } |
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149 } |
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150 |
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151 CleanupStack::PopAndDestroy(vCal); |
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152 CleanupStack::PopAndDestroy(converter); |
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153 } |
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154 |
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155 |
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156 /** |
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157 * Exports a list of agenda entries as multiple vCalendar entities to the |
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158 * write stream specified. |
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159 * |
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160 * The entries are exported either as vTodos, if they are to-dos, |
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161 * otherwise as vEvents |
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162 * |
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163 * @param "RWriteStream& aWriteStream" |
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164 * The stream to which the agenda entries should be |
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165 * externalised as vCalendar entities. |
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166 * @param "CArrayPtr<CCalEntry>* aEntryArray" |
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167 * Pointer to the array of agenda entries. |
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168 * @param "const Versit::TVersitCharSet aCharSet" |
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169 * The character encoding type |
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170 */ |
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171 void CAgnVCalConverter::ExportVCalL(RWriteStream& aWriteStream, const RPointerArray<CCalEntry>& aEntryArray, const Versit::TVersitCharSet aCharSet) |
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172 |
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173 { |
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174 if(aEntryArray.Count()>0) |
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175 { |
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176 iCharSet = aCharSet; |
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177 // Create a new converter object |
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178 if(!iExportConverter) |
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179 { |
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180 iExportConverter = new(ELeave)CAgendaEntryToVCalConverter; |
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181 } |
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182 iEntryArray = const_cast<RPointerArray<CCalEntry>*>(&aEntryArray); |
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183 // Set the time zone converter. iTzConverter may be NULL if the optional |
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184 // time zone conversion service is not available. In this case all times will |
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185 // be exported as local time. |
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186 if (iTzConnected) |
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187 { |
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188 iExportConverter->SetTzConverter(&iTzServer); |
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189 } |
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190 |
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191 ExportEntryBySameTzL(aWriteStream); |
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192 } |
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193 } |
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194 |
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195 void CAgnVCalConverter::ExportEntryBySameTzL(RWriteStream& aWriteStream) |
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196 {//To export entries into a serveral vCal according to their tz rules |
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197 if(!iSametzEntries) |
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198 { |
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199 iSametzEntries = new (ELeave) RPointerArray<CCalEntry>(4); |
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200 } |
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201 |
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202 iSametzEntries->Reset(); |
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203 InitialiseSameTzEntryArrayL(); |
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204 //Find entries which belong to the first tz |
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205 FindSameTzEntryL(*iSametzEntries); |
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206 CParserVCal* vCal = NULL; |
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207 //Expoet entries by grouping them into different tz rules |
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208 while(iSametzEntries->Count()>0) |
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209 {//Pull entries with the same time zone in the same array and export them |
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210 vCal = CParserVCal::NewL(); // takes ownership of entrylist |
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211 CleanupStack::PushL(vCal); |
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212 vCal->SetDefaultCharSet(iCharSet); |
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213 ConvertEntryToVCalAndExportL(vCal, *iSametzEntries, aWriteStream); |
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214 CleanupStack::PopAndDestroy(vCal); |
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215 iSametzEntries->Reset(); |
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216 FindSameTzEntryL(*iSametzEntries);//this result in fill in iSametzEntries with same tz rule and remove the their indexes from iEntryIndexToExport |
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217 } |
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218 |
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219 if(iEntryIndexToExport.Count()>0) |
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220 { |
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221 //Export the rest of entryies(those are entries without tz informations) |
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222 ExportEntryWithoutTzRuleL(aWriteStream); |
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223 } |
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224 } |
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225 |
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226 void CAgnVCalConverter::ExportEntryWithoutTzRuleL(RWriteStream& aWriteStream) |
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227 {//This function only should be called when all entries in iEntryIndexToExport are either no-repeating or floating entry |
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228 CParserVCal* vCal = CParserVCal::NewL(); // takes ownership of entrylist |
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229 CleanupStack::PushL(vCal); |
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230 vCal->SetDefaultCharSet(iCharSet); |
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231 const TInt KCount = iEntryIndexToExport.Count(); |
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232 for (TInt ii = 0; ii < KCount; ++ii) |
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233 { |
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234 CCalEntry* entry = (*iEntryArray)[iEntryIndexToExport[ii]]; |
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235 if (entry) |
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236 { |
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237 TCalRRule rule; |
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238 __ASSERT_DEBUG(!(entry->GetRRuleL(rule)) || entry->StartTimeL().TimeMode() == TCalTime::EFloating, User::Invariant()); |
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239 iExportConverter->ExportEntryL(entry, *vCal); |
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240 } |
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241 } |
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242 vCal->ExternalizeL(aWriteStream); |
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243 CleanupStack::PopAndDestroy(vCal); |
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244 } |
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245 |
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246 void CAgnVCalConverter::ConvertEntryToVCalAndExportL(CParserVCal* aVcal, const RPointerArray<CCalEntry>& aEntryArray, RWriteStream& aWriteStream) |
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247 { |
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248 iExportConverter->NextVCalendarL(); |
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249 TInt count = aEntryArray.Count(); |
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250 |
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251 for (TInt ii = 0; ii < count; ii++) |
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252 { |
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253 CCalEntry* entry = aEntryArray[ii]; |
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254 if (entry) |
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255 { |
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256 iExportConverter->AddTimeZonePropertiesL(*aVcal, entry); |
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257 iExportConverter->ExportEntryL(entry, *aVcal); |
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258 } |
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259 } |
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260 |
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261 aVcal->ExternalizeL(aWriteStream); |
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262 } |
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263 |
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264 void CAgnVCalConverter::ImportVCalAsyncL(TInt aFlags, RReadStream& aReadStream, |
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265 RPointerArray<CCalEntry>& aEntryArray, MCalDataExchangeCallBack& aObserver) |
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266 { |
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267 // Create a new converter object |
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268 if(iAsyncState!=EIdle) |
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269 { |
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270 User::Leave(KErrInUse); |
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271 } |
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272 |
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273 iImportConverter = new (ELeave) CVCalToAgendaEntryConverter(); |
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274 iVCalArray = new (ELeave) RPointerArray<CParserVCal>(); |
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275 |
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276 // Read all the entries in the file. The parser will only read one. |
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277 iTotalNumEntry = 0; |
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278 TInt errcode = KErrNone; |
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279 while (errcode != KErrEof) |
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280 { |
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281 // Create a parser to internalize the entries |
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282 CParserVCal* vCal = CParserVCal::NewL(); |
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283 CleanupStack::PushL(vCal); |
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284 // Japan uses SHIFT-JIS as the default charset contrary to |
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285 // the vCalendar Specification which says that the default |
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286 // charset should be US-ASCII. |
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287 // In order to provide interoperability with this market |
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288 // segment, allow a flag to override the default charset in versit. |
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289 if(aFlags & KCalDataExchangeDefaultShiftJIS) |
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290 { |
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291 vCal->SetDefaultCharSet(Versit::EShiftJISCharSet); |
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292 vCal->SetFlags(CVersitParser::EUseDefaultCharSetForAllProperties); |
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293 } |
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294 TRAP( errcode, vCal->InternalizeL(aReadStream) ); |
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295 if (errcode ==KErrNone) |
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296 { |
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297 CArrayPtr<CVersitParser>* entities = vCal->ArrayOfEntities(EFalse); |
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298 TInt numEntry = entities->Count(); |
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299 if(numEntry>0) |
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300 { |
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301 iVCalArray->AppendL(vCal); |
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302 CleanupStack::Pop(vCal); |
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303 iTotalNumEntry += numEntry; |
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304 } |
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305 } |
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306 else if (errcode ==KErrEof) |
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307 { |
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308 CleanupStack::PopAndDestroy(vCal); |
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309 } |
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310 else |
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311 { |
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312 User::LeaveIfError( errcode ); |
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313 } |
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314 } |
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315 |
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316 |
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317 // Set the time zone converter. iTzConverter may be NULL if the optional |
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318 // time zone conversion service is not available. In this case all imported times |
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319 // will be exported as local time. |
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320 if (iTzConnected) |
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321 { |
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322 iImportConverter->SetTzConverter(&iTzServer); |
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323 } |
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324 |
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325 iEntryArray = &aEntryArray; |
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326 iTotalCounter = 0; |
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327 iSameTzCounter = 0; |
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328 iObserver = &aObserver; |
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329 iAsyncState = EImporting; |
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330 iMaxNumEntryInStep = iObserver->NumberOfEntriesToHandleAtOnce(); |
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331 if(iTotalNumEntry > 0) |
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332 { |
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333 CTzRules* tzRule = ImportTzRulesL(*((*iVCalArray)[0])); |
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334 iImportConverter->SetTzRules(tzRule); // converter takes ownership of rules collection. |
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335 } |
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336 iImportExportActive->Start(); |
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337 } |
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338 |
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339 void CAgnVCalConverter::FindSameTzEntryL(RPointerArray<CCalEntry>& aSameTzEntry) |
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340 { |
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341 //Fill in aSameTzEntry with those entries with the same tz rule in iEntryArray |
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342 //Remove the index of the entry from iEntryIndexToExport |
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343 //Note that the order of the entries being exported has to be maintained |
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344 CCalEntry* firstEntrywithTz = NULL; |
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345 for (TInt ii = 0; ii < iEntryIndexToExport.Count(); ++ii) |
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346 { |
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347 TCalRRule repeatrule;//temp veraible |
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348 CCalEntry* entry = (*iEntryArray)[iEntryIndexToExport[ii]]; |
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349 if(entry->GetRRuleL(repeatrule) && entry->StartTimeL().TimeMode() != TCalTime::EFloating) |
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350 {//Otherwise time zone info is not needed to export |
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351 if(firstEntrywithTz) |
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352 { |
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353 CTzRules* rules1 = entry->TzRulesL(); |
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354 CleanupStack::PushL(rules1); |
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355 |
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356 CTzRules* rules2 = firstEntrywithTz->TzRulesL(); |
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357 CleanupStack::PushL(rules2); |
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358 |
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359 if (rules1 && rules2 && rules1->IsEqualTo(*rules2)) |
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360 { |
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361 //compare the time zone to see if it is the same as the "firstEntrywithTz" |
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362 aSameTzEntry.AppendL(entry); |
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363 iEntryIndexToExport.Remove(ii); |
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364 --ii; |
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365 } |
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366 CleanupStack::PopAndDestroy(rules2); |
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367 CleanupStack::PopAndDestroy(rules1); |
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368 } |
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369 else |
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370 { |
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371 firstEntrywithTz = entry; |
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372 aSameTzEntry.AppendL(entry); |
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373 iEntryIndexToExport.Remove(ii); |
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374 --ii; |
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375 } |
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376 } |
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377 } |
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378 } |
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379 |
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380 void CAgnVCalConverter::FindEntryWithoutTzRuleL(RPointerArray<CCalEntry>& aSameTzEntry) |
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381 { |
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382 // This functions should be only used for asynchronous exporting (use ExportEntryWithoutTzRuleL if it is for synchronous exporting) |
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383 for (TInt ii = 0; ii< iEntryIndexToExport.Count(); ++ii) |
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384 {//Pull those entries which do not need to export tz together (either non-repeating or floating entry) |
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385 TCalRRule rule; |
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386 CCalEntry* entry = (*iEntryArray)[iEntryIndexToExport[ii]]; |
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387 if(!entry->GetRRuleL(rule) || entry->StartTimeL().TimeMode() == TCalTime::EFloating) |
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388 { |
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389 aSameTzEntry.AppendL((*iEntryArray)[iEntryIndexToExport[ii]]); |
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390 iEntryIndexToExport.Remove(ii); |
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391 --ii; |
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392 } |
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393 } |
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394 } |
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395 |
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396 void CAgnVCalConverter::ExportVCalAsyncL(RWriteStream& aWriteStream, RPointerArray<CCalEntry>& aEntryArray, MCalDataExchangeCallBack& aObserver, const Versit::TVersitCharSet aCharSet) |
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397 { |
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398 if(iAsyncState!=EIdle) |
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399 { |
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400 User::Leave(KErrInUse); |
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401 } |
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402 |
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403 iEntryArray = &aEntryArray; |
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404 |
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405 // Create a new converter object |
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406 if(!iExportConverter) |
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407 { |
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408 iExportConverter = new(ELeave)CAgendaEntryToVCalConverter; |
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409 } |
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410 |
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411 // Set the time zone converter. iTzConverter may be NULL if the optional |
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412 // time zone conversion service is not available. In this case all times will |
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413 // be exported as local time. |
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414 if (iTzConnected) |
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415 { |
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416 iExportConverter->SetTzConverter(&iTzServer); |
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417 } |
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418 |
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419 if(!iSametzEntries) |
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420 { |
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421 iSametzEntries = new(ELeave) RPointerArray<CCalEntry>; |
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422 } |
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423 iCharSet = aCharSet; |
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424 iSametzEntries->Reset(); |
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425 InitialiseSameTzEntryArrayL(); |
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426 |
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427 iVCal = CParserVCal::NewL(); |
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428 iVCal->SetDefaultCharSet(iCharSet); |
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429 |
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430 iTotalNumEntry = iEntryArray->Count(); |
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431 iTotalCounter = 0; |
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432 iSameTzCounter = 0; |
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433 iObserver = &aObserver; |
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434 iAsyncState = EExporting; |
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435 iWriteStream = &aWriteStream; |
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436 iMaxNumEntryInStep = iObserver->NumberOfEntriesToHandleAtOnce(); |
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437 |
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438 FindSameTzEntryL(*iSametzEntries); |
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439 if(iSametzEntries->Count()==0) |
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440 { |
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441 FindEntryWithoutTzRuleL(*iSametzEntries); |
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442 __ASSERT_DEBUG(iEntryIndexToExport.Count()==0, User::Invariant()); |
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443 } |
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444 iExportConverter->NextVCalendarL(); |
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445 iImportExportActive->Start(); |
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446 } |
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447 |
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448 void CAgnVCalConverter::InitialiseSameTzEntryArrayL() |
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449 {// Initialise the the array with the indexes of each element in iEntryArray |
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450 iEntryIndexToExport.Reset(); |
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451 const TInt KCount = iEntryArray->Count(); |
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452 for (TInt ii = 0; ii<KCount; ++ii) |
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453 { |
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454 iEntryIndexToExport.AppendL(ii); |
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455 } |
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456 } |
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457 |
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458 void CCalImportExportActive::RunL() |
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459 { |
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460 switch (iConverter.AsyncState()) |
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461 { |
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462 case CAgnVCalConverter::EImporting: |
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463 iConverter.NextImportStepL(); |
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464 break; |
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465 case CAgnVCalConverter::EExporting: |
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466 iConverter.NextExportStepL(); |
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467 break; |
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468 default: |
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469 case CAgnVCalConverter::EIdle: |
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470 Panic(EAgnVersitPanicImportExportFailure); |
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471 break; |
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472 } |
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473 } |
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474 |
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475 CAgnVCalConverter::TState CAgnVCalConverter::AsyncState() const |
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476 { |
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477 return iAsyncState; |
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478 } |
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479 |
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480 void CAgnVCalConverter::CheckCompletion() |
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481 { |
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482 if (iTotalCounter == iTotalNumEntry) |
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483 { |
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484 iObserver->Completed(); |
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485 CancelImportExport(); |
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486 } |
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487 else |
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488 { |
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489 iObserver->Progress((iTotalCounter * 100) / iTotalNumEntry); |
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490 iImportExportActive->Start(); |
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491 } |
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492 } |
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493 |
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494 void CAgnVCalConverter::NextImportStepL() |
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495 { |
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496 if(iTotalNumEntry>0) |
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497 { |
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498 CArrayPtr<CVersitParser>* entities = (*iVCalArray)[0]->ArrayOfEntities(EFalse); //doesn't take ownership |
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499 TInt numSameTzEntry = entities->Count(); |
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500 TInt count = ((numSameTzEntry - iSameTzCounter) > iMaxNumEntryInStep)?iMaxNumEntryInStep:(numSameTzEntry - iSameTzCounter); |
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501 RPointerArray<CCalEntry> importedEntries; |
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502 CleanupResetAndDestroyPushL(importedEntries); |
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503 |
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504 for (TInt i = 0; i < count; i++) |
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505 { |
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506 CVersitParser& parser = *((*entities)[i + iSameTzCounter ]); |
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507 iImportConverter->ImportVCalL(parser, importedEntries); |
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508 for (TInt j = 0; j < importedEntries.Count(); j++) |
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509 { |
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510 iEntryArray->AppendL((importedEntries)[j]); |
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511 } |
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512 importedEntries.Reset(); |
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513 } |
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514 |
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515 CleanupStack::PopAndDestroy();//importedEntries |
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516 iTotalCounter += count; |
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517 iSameTzCounter += count; |
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518 |
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519 if(iSameTzCounter == numSameTzEntry) |
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520 {//Convert the next vCal into entries |
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521 delete (*iVCalArray)[0]; |
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522 iVCalArray->Remove(0); |
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523 |
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524 if(iVCalArray->Count()>0) |
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525 { |
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526 CTzRules* tzRule = ImportTzRulesL(*((*iVCalArray)[0])); |
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527 iImportConverter->SetTzRules(tzRule); // converter takes ownership of rules collection. |
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528 iSameTzCounter = 0; |
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529 } |
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530 } |
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531 } |
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532 |
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533 CheckCompletion(); |
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534 } |
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535 |
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536 void CAgnVCalConverter::NextExportStepL() |
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537 { |
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538 if(iTotalNumEntry>0) |
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539 { |
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540 TInt numSameTzEntry = iSametzEntries->Count(); |
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541 //decide how many entries to export in this step |
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542 TInt count = ((numSameTzEntry - iSameTzCounter) > iMaxNumEntryInStep)?iMaxNumEntryInStep:(numSameTzEntry - iSameTzCounter); |
|
543 for (TInt i = 0; i < count; i++) |
|
544 { |
|
545 CCalEntry* entry = (*iSametzEntries)[i + iSameTzCounter]; |
|
546 if (entry) |
|
547 { |
|
548 iExportConverter->AddTimeZonePropertiesL(*iVCal, entry); |
|
549 iExportConverter->ExportEntryL(entry, *iVCal); |
|
550 } |
|
551 } |
|
552 |
|
553 iTotalCounter += count; |
|
554 iSameTzCounter += count; |
|
555 |
|
556 if (iSameTzCounter == numSameTzEntry) |
|
557 {//Add time zone property |
|
558 iExportConverter->NextVCalendarL(); |
|
559 //calling AddTimeZone Properties for all entries |
|
560 //iExportConverter->AddTimeZonePropertiesL(*iVCal, (*iSametzEntries)[0]); |
|
561 iVCal->ExternalizeL(*iWriteStream); |
|
562 delete iVCal; |
|
563 iVCal = NULL; |
|
564 //Find out next group entries which are in the same time zone |
|
565 if(iEntryIndexToExport.Count()>0) |
|
566 { |
|
567 iVCal = CParserVCal::NewL(); |
|
568 iVCal->SetDefaultCharSet(iCharSet); |
|
569 iSametzEntries->Reset(); |
|
570 FindSameTzEntryL(*iSametzEntries); |
|
571 if(iSametzEntries->Count()==0) |
|
572 { |
|
573 FindEntryWithoutTzRuleL(*iSametzEntries); |
|
574 } |
|
575 iSameTzCounter = 0; |
|
576 } |
|
577 } |
|
578 } |
|
579 CheckCompletion(); |
|
580 } |
|
581 |
|
582 void CAgnVCalConverter::CancelImportExport(TInt aError) |
|
583 /** |
|
584 * This function destroys import/export convertor objects and resets async state. |
|
585 * @param "TInt aError" |
|
586 * Error during operation passed to the observer. |
|
587 */ |
|
588 { |
|
589 // Propagate in case of error |
|
590 if(aError != KErrNone) |
|
591 { |
|
592 iObserver->Progress(aError); |
|
593 iObserver->Completed(); |
|
594 } |
|
595 |
|
596 delete iImportConverter; |
|
597 iImportConverter = NULL; |
|
598 delete iExportConverter; |
|
599 iExportConverter = NULL; |
|
600 delete iVCal; |
|
601 iVCal = NULL; |
|
602 if(iVCalArray) |
|
603 { |
|
604 iVCalArray->ResetAndDestroy(); |
|
605 } |
|
606 delete iVCalArray; |
|
607 iVCalArray = NULL; |
|
608 iAsyncState = EIdle; |
|
609 } |
|
610 /** |
|
611 * Provides indication of validity of Daylight property during import |
|
612 * |
|
613 * At the moment, this means the following are all true: |
|
614 * 1) start year is not earlier than 1900 |
|
615 * 2) end year is not later than 2100 |
|
616 * 3) end year is not earlier than start year |
|
617 * |
|
618 * @param aDaylightProperty The property to be validated. |
|
619 * |
|
620 * @return ETrue if aDaylightProperty satisfies above conditions. EFalse otherwise. |
|
621 */ |
|
622 TBool CAgnVCalConverter::ValidDaylightProperty(CParserProperty& aDaylightProperty) const |
|
623 { |
|
624 CParserPropertyValue* propertyValue = aDaylightProperty.Value(); |
|
625 |
|
626 if (propertyValue) |
|
627 { |
|
628 CVersitDaylight* checkProperty = static_cast<CParserPropertyValueDaylight*>(propertyValue)->Value(); |
|
629 |
|
630 if (checkProperty && checkProperty->iSavings) |
|
631 { |
|
632 TInt startYear = checkProperty->iStartTime->iDateTime.Year(); |
|
633 TInt endYear = checkProperty->iEndTime->iDateTime.Year(); |
|
634 TTime minDateTime = TCalTime::MinTime(); |
|
635 TTime maxDateTime = TCalTime::MaxTime(); |
|
636 |
|
637 return ( (startYear >= minDateTime.DateTime().Year()) && |
|
638 (endYear <= maxDateTime.DateTime().Year()) && |
|
639 (endYear >= startYear) ); |
|
640 } |
|
641 } |
|
642 |
|
643 return EFalse; |
|
644 } |
|
645 |
|
646 /** |
|
647 * Creates a collection of rules that describes a set UTC offsets and when they |
|
648 * should be applied to local times within entities observed by the "home" |
|
649 * system that created the vCalendar object. |
|
650 * |
|
651 * @param aCalParser A handle to the vCalendar parser. |
|
652 * |
|
653 * @return The time zone rules collection, NULL if no rules can be created. |
|
654 */ |
|
655 CTzRules* CAgnVCalConverter::ImportTzRulesL(CParserVCal& aCalParser) const |
|
656 { |
|
657 TBool acceptable = EFalse; |
|
658 TTimeIntervalMinutes stdOffset = StandardTimeOffsetL(aCalParser); |
|
659 |
|
660 // access properties but don't take ownership |
|
661 CArrayPtr<CParserProperty>* daylightProperties = |
|
662 aCalParser.PropertyL(KVersitTokenDAYLIGHT, TUid::Uid(KVersitPropertyDaylightUid), EFalse); |
|
663 |
|
664 if (daylightProperties) |
|
665 { |
|
666 // check for an acceptable daylight property |
|
667 // if there are none, treat this vCal as if it has no daylight properties at all |
|
668 const TInt KCount = daylightProperties->Count(); |
|
669 for (TInt i = 0; i < KCount && ! acceptable; i++) |
|
670 { |
|
671 if (ValidDaylightProperty(*daylightProperties->At(i))) |
|
672 { |
|
673 acceptable = ETrue; |
|
674 } |
|
675 } |
|
676 |
|
677 delete daylightProperties; |
|
678 daylightProperties = NULL; |
|
679 } |
|
680 |
|
681 // Need either a TZ property or at least one acceptable DAYLIGHT property |
|
682 // before TZ rules can be generated |
|
683 |
|
684 if ((stdOffset.Int() == KMaxTInt) && acceptable) |
|
685 { |
|
686 // no TZ property supplied, but a DAYLIGHT property is useable |
|
687 // set initial TZ offset to 0 |
|
688 stdOffset = 0; |
|
689 } |
|
690 |
|
691 CTzRules* rules = NULL; |
|
692 // if TZ offset is set, we have something to process |
|
693 if (stdOffset.Int() != KMaxTInt) |
|
694 { |
|
695 rules = DaylightRulesL(aCalParser, stdOffset); |
|
696 rules->SetInitialStdTimeOffset(stdOffset.Int()); |
|
697 } |
|
698 return rules; |
|
699 } |
|
700 |
|
701 static TInt CompareDaylightProperties(const CParserProperty& aLeftProperty, const CParserProperty& aRightProperty) |
|
702 { |
|
703 CParserPropertyValueDaylight* leftValue = static_cast<CParserPropertyValueDaylight*>(aLeftProperty.Value()); |
|
704 CParserPropertyValueDaylight* rightValue = static_cast<CParserPropertyValueDaylight*>(aRightProperty.Value()); |
|
705 |
|
706 if (leftValue->Value()->iStartTimeSortKey >= rightValue->Value()->iStartTimeSortKey) |
|
707 return 1; |
|
708 return -1; |
|
709 } |
|
710 |
|
711 /** |
|
712 * Creates a collection of rules that describes a set of UTC offsets and when they |
|
713 * should be applied to local times within entities observed by the "home" |
|
714 * system that created the vCalendar object. |
|
715 * |
|
716 * @param aCalParser A handle to the vCalendar parser. |
|
717 * @param aStdOffset The standard time UTC offset. Specify TTimeIntervalMinutes(KMaxTInt) if not known. |
|
718 * @return The time zone rules collection, NULL if no rules can be created. |
|
719 */ |
|
720 CTzRules* CAgnVCalConverter::DaylightRulesL(CParserVCal& aCalParser, TTimeIntervalMinutes aStdOffset) const |
|
721 { |
|
722 __ASSERT_DEBUG(aStdOffset.Int() != KMaxTInt, User::Invariant()); |
|
723 |
|
724 CTzRules* rules = CTzRules::NewL(0, KMaxTUint); |
|
725 CleanupStack::PushL(rules); |
|
726 |
|
727 // get properties but don't take ownership of the elements of the array |
|
728 CArrayPtr<CParserProperty>* daylightProperties = aCalParser.PropertyL(KVersitTokenDAYLIGHT, TUid::Uid(KVersitPropertyDaylightUid), EFalse); |
|
729 |
|
730 TTime nextRuleStart = Time::MinTTime(); // start of the next std rule |
|
731 TTzTimeReference nextRuleTimeRef = ETzUtcTimeReference; |
|
732 |
|
733 TInt prevRuleOffset = aStdOffset.Int(); |
|
734 |
|
735 if (daylightProperties != NULL) |
|
736 { |
|
737 CleanupStack::PushL(daylightProperties); |
|
738 // re-order the daylight properties |
|
739 TLinearOrder<CParserProperty> daylightPropertySort(CompareDaylightProperties); |
|
740 RPointerArray<CParserProperty> newDaylightPropArray; |
|
741 TInt i; |
|
742 for (i = 0; i < daylightProperties->Count(); i++) |
|
743 { |
|
744 // insert only valid imported properties |
|
745 if (ValidDaylightProperty(*daylightProperties->At(i))) |
|
746 { |
|
747 TInt err = newDaylightPropArray.InsertInOrder(daylightProperties->At(i), daylightPropertySort); |
|
748 if (err != KErrAlreadyExists) |
|
749 { |
|
750 User::LeaveIfError(err); |
|
751 } |
|
752 } |
|
753 } |
|
754 CleanupStack::PopAndDestroy(daylightProperties); |
|
755 |
|
756 CVersitDaylight* daylightProperty = NULL; |
|
757 TInt n = newDaylightPropArray.Count(); |
|
758 |
|
759 // For each DAYLIGHT property, create a standard time rule prior to the |
|
760 // daylight saving time period, and then create the daylight savings rule |
|
761 // following on from the standard time period. |
|
762 for (i = 0; i < n; ++i) |
|
763 { |
|
764 daylightProperty = static_cast<CParserPropertyValueDaylight*>(newDaylightPropArray[i]->Value())->Value(); |
|
765 |
|
766 if (daylightProperty && daylightProperty->iSavings) |
|
767 { |
|
768 TTime dstStartTime(daylightProperty->iStartTime->iDateTime); |
|
769 TTime dstEndTime(daylightProperty->iEndTime->iDateTime); |
|
770 TInt dstOffset = daylightProperty->iOffset.Int() / 60; // Convert seconds to minutes. |
|
771 |
|
772 // standard time rule (STD) |
|
773 TTzRule stdRule = TzRuleL(prevRuleOffset, // old offset, minutes |
|
774 aStdOffset, // new offset (=STD offset), minutes |
|
775 nextRuleStart, // from the end of prev rule |
|
776 dstStartTime-TTimeIntervalSeconds(1)); // to DST start time less 1sec |
|
777 // (e.g. 01:59:59) |
|
778 // daylight saving time rule (DST) |
|
779 TTzRule dstRule = TzRuleL(aStdOffset, // old offset (=STD offset), minutes |
|
780 dstOffset, // new offset (=DST offset), minutes |
|
781 dstStartTime, // start |
|
782 dstEndTime); // end time |
|
783 |
|
784 prevRuleOffset = dstOffset; |
|
785 |
|
786 // 01:59:00->02:00:00; 01:59:59->02:00:00; 02:00:00->02:00:00; 01:29:59->01:30:00 |
|
787 nextRuleStart = dstEndTime; |
|
788 nextRuleStart.RoundUpToNextMinute(); |
|
789 if (nextRuleStart.DateTime().Minute()%10==9) nextRuleStart+=TTimeIntervalMinutes(1); |
|
790 |
|
791 // time references |
|
792 stdRule.iFrom.iTimeReference = nextRuleTimeRef; |
|
793 stdRule.iTimeReference = nextRuleTimeRef; |
|
794 if (daylightProperty->iStartTime->iRelativeTime!=TVersitDateTime::EIsUTC) |
|
795 { |
|
796 stdRule.iTo.iTimeReference = ETzWallTimeReference; |
|
797 dstRule.iFrom.iTimeReference = ETzWallTimeReference; |
|
798 dstRule.iTimeReference = ETzWallTimeReference; |
|
799 } |
|
800 if (daylightProperty->iEndTime->iRelativeTime!=TVersitDateTime::EIsUTC) |
|
801 { |
|
802 nextRuleTimeRef = ETzWallTimeReference; |
|
803 dstRule.iTo.iTimeReference = ETzWallTimeReference; |
|
804 } |
|
805 else |
|
806 { |
|
807 nextRuleTimeRef = ETzUtcTimeReference; |
|
808 } |
|
809 |
|
810 rules->AddRuleL(stdRule); // add STD rule |
|
811 rules->AddRuleL(dstRule); // add DST rule |
|
812 } |
|
813 } |
|
814 newDaylightPropArray.Reset(); |
|
815 } |
|
816 |
|
817 // Create a standard time rule after the last daylight saving period. |
|
818 TTzRule lastStdRule = TzRuleL(prevRuleOffset, aStdOffset, nextRuleStart, Time::MaxTTime()); |
|
819 lastStdRule.iFrom.iTimeReference = nextRuleTimeRef; |
|
820 lastStdRule.iTimeReference = nextRuleTimeRef; |
|
821 rules->AddRuleL(lastStdRule); |
|
822 CleanupStack::Pop(rules); |
|
823 |
|
824 return rules; |
|
825 } |
|
826 |
|
827 |
|
828 /** |
|
829 * Creates a rule that stores the UTC offset and when it should be |
|
830 * applied to local times within entities specified by the "home" |
|
831 * system that created the vCalendar object. |
|
832 * |
|
833 * @param aOldTzOffset The UTC offset (minutes since midnight) before the rule applies. |
|
834 * @param aNewTzOffset The UTC offset (minutes since midnight) when the rule applies. |
|
835 * @param aStartTime The time from when the rule applies. |
|
836 * @param aEndTime The time to when the rule applies. |
|
837 */ |
|
838 TTzRule CAgnVCalConverter::TzRuleL(TTimeIntervalMinutes aOldTzOffset, TTimeIntervalMinutes aNewTzOffset, TTime aStartTime, TTime aEndTime) const |
|
839 { |
|
840 TTzRule rule; |
|
841 |
|
842 // There needs to be better boundary checking when converting from TTime to TUInt... |
|
843 // Ideally, the rule should accept TTimes. |
|
844 |
|
845 if (aStartTime != Time::MinTTime()) |
|
846 { |
|
847 rule.iFrom.iTime = aStartTime; |
|
848 // rule.iFrom.iTimeReference defaults to ETzUtcTimeReference |
|
849 rule.iMonth = aStartTime.DateTime().Month(); |
|
850 rule.iDayOfMonth = aStartTime.DateTime().Day(); |
|
851 rule.iTimeOfChange = aStartTime.DateTime().Hour() * 60 + aStartTime.DateTime().Minute(); |
|
852 } |
|
853 |
|
854 if (aEndTime == Time::MaxTTime()) |
|
855 { |
|
856 rule.iTo = TTimeWithReference::Max(); |
|
857 // rule.iTo.iTimeReference defaults to ETzUtcTimeReference |
|
858 } |
|
859 else |
|
860 { |
|
861 rule.iTo = aEndTime; |
|
862 // rule.iTo.iTimeReference defaults to ETzUtcTimeReference |
|
863 } |
|
864 |
|
865 rule.iOldLocalTimeOffset = aOldTzOffset.Int(); |
|
866 rule.iNewLocalTimeOffset = aNewTzOffset.Int(); |
|
867 rule.iDayRule = ETzFixedDate; |
|
868 rule.iTimeReference = ETzUtcTimeReference; |
|
869 |
|
870 return rule; |
|
871 } |
|
872 |
|
873 |
|
874 /** |
|
875 * The TZ property represents the standard time zone of the |
|
876 * "home" system that created the vCalendar object. If there are |
|
877 * more than one TZ properties, then only the first TZ property value |
|
878 * is returned. |
|
879 * |
|
880 * @param aCalParser A handle to the vCalendar parser. |
|
881 * @return TTimeIntervalMinutes(KMaxTInt) if there is no TZ property, TZ property value otherwise. |
|
882 */ |
|
883 TTimeIntervalMinutes CAgnVCalConverter::StandardTimeOffsetL(CParserVCal& aCalParser) const |
|
884 { |
|
885 // get properties but don't take ownership of the elements of the array |
|
886 CArrayPtr<CParserProperty>* tzCollection = aCalParser.PropertyL(KVersitTokenTZ, TUid::Uid(KVersitPropertyTimeZoneUid), EFalse); |
|
887 |
|
888 if (tzCollection == NULL) |
|
889 return TTimeIntervalMinutes(KMaxTInt); |
|
890 |
|
891 CleanupStack::PushL(tzCollection); |
|
892 TTimeIntervalSeconds stdTime = static_cast<CParserPropertyValueTimeZone*>((*tzCollection)[0]->Value())->Value(); |
|
893 CleanupStack::PopAndDestroy(tzCollection); |
|
894 |
|
895 return TTimeIntervalMinutes(stdTime.Int() / 60); |
|
896 } |
|
897 |
|
898 /** |
|
899 * This function destroys the TAgnVCalConverter object created by the gate function, |
|
900 * and the CTzConverter object if it exists |
|
901 */ |
|
902 CAgnVCalConverter::~CAgnVCalConverter() |
|
903 { |
|
904 delete iImportConverter; |
|
905 |
|
906 if (iVCalArray) |
|
907 { |
|
908 iVCalArray->ResetAndDestroy(); |
|
909 } |
|
910 delete iVCalArray; |
|
911 |
|
912 delete iImportExportActive; |
|
913 delete iExportConverter; |
|
914 |
|
915 iTzServer.Close(); |
|
916 if(iSametzEntries) |
|
917 { |
|
918 iSametzEntries->Close(); |
|
919 delete iSametzEntries; |
|
920 } |
|
921 |
|
922 iEntryIndexToExport.Close(); |
|
923 } |
|
924 |
|
925 /** |
|
926 * Standard 2-phase construction |
|
927 */ |
|
928 CAgnVCalConverter* CAgnVCalConverter::NewL() |
|
929 { |
|
930 CAgnVCalConverter* self = new (ELeave) CAgnVCalConverter; |
|
931 CleanupStack::PushL(self); |
|
932 self->ConstructL(); |
|
933 CleanupStack::Pop(self); |
|
934 return self; |
|
935 } |
|
936 |
|
937 |
|
938 |
|
939 // Export the implementation collection function |
|
940 const TImplementationProxy ImplementationTable[] = |
|
941 { |
|
942 IMPLEMENTATION_PROXY_ENTRY(0x102035F6, CAgnVCalConverter::NewL) |
|
943 }; |
|
944 |
|
945 EXPORT_C const TImplementationProxy* ImplementationGroupProxy(TInt& aTableCount) |
|
946 { |
|
947 aTableCount = sizeof(ImplementationTable) / sizeof(TImplementationProxy); |
|
948 return ImplementationTable; |
|
949 } |
|
950 |
|
951 |
|
952 |
|
953 void CAgnVCalConverter::ConstructL() |
|
954 { |
|
955 iTzConnected = EFalse; |
|
956 // Timezone conversion library is not guaranteed to be available. |
|
957 // If it is not available, then AgnVersit will ignore DST rules |
|
958 // and default to its previous behaviour |
|
959 const TInt result = iTzServer.Connect(); |
|
960 if (result == KErrNone) |
|
961 { |
|
962 iTzConnected = ETrue; |
|
963 } |
|
964 else if (result != KErrNotFound) |
|
965 { |
|
966 User::Leave(result); |
|
967 } |
|
968 iImportExportActive = new (ELeave) CCalImportExportActive(*this); |
|
969 iAsyncState = EIdle; |
|
970 } |
|
971 |
|
972 /** |
|
973 * Panic the thread with AGNVERSIT as the category |
|
974 * |
|
975 * @param aPanic Panic number |
|
976 */ |
|
977 void Panic(TAgnVersitPanic aPanic) |
|
978 { |
|
979 _LIT(KAgnVersitPanicCategory,"AGNVERSIT"); |
|
980 User::Panic(KAgnVersitPanicCategory,aPanic); |
|
981 } |
|
982 |
|
983 /** |
|
984 * Standard Epoc32 Dll Entry point |
|
985 */ |
|
986 |
|
987 |
|
988 // Active object to control asynchronous import / export |
|
989 CCalImportExportActive::CCalImportExportActive(CAgnVCalConverter& aConverter) : |
|
990 CActive(EPriorityLow), iConverter(aConverter) |
|
991 { |
|
992 CActiveScheduler::Add(this); |
|
993 } |
|
994 |
|
995 CCalImportExportActive::~CCalImportExportActive() |
|
996 { |
|
997 Cancel(); |
|
998 } |
|
999 |
|
1000 void CCalImportExportActive::Start() |
|
1001 { |
|
1002 if (!IsActive()) |
|
1003 { |
|
1004 TRequestStatus* status = &iStatus; |
|
1005 User::RequestComplete(status, KErrNone); |
|
1006 SetActive(); |
|
1007 } |
|
1008 } |
|
1009 |
|
1010 |
|
1011 void CCalImportExportActive::DoCancel() |
|
1012 { |
|
1013 iConverter.CancelImportExport(); |
|
1014 } |
|
1015 |
|
1016 TInt CCalImportExportActive::RunError(TInt aError) |
|
1017 { |
|
1018 // Propogate error |
|
1019 iConverter.CancelImportExport(aError); |
|
1020 return KErrNone; |
|
1021 } |