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1 /* |
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2 * Copyright (c) 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: Implementation for presence cache client. |
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15 * |
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16 */ |
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17 |
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18 #include <e32std.h> |
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19 #include <s32buf.h> |
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20 |
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21 #include <mpresencebuddyinfo2.h> |
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22 #include <presencecachewritehandler2.h> |
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23 #include <presencecachereadhandler2.h> |
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24 |
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25 #include "presenceobjecthelpers.h" |
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26 #include "presencecachedefs2.h" |
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27 #include "cacheobjecthelpers.h" |
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28 #include "presencecacheclientnotification.h" |
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29 #include "presencecacheclient.h" |
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30 |
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31 //Include Cache server namespace |
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32 using namespace NCacheSrv2; |
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33 |
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34 |
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35 // ============================ MEMBER FUNCTIONS ============================= |
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36 |
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37 |
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38 // --------------------------------------------------------------------------- |
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39 // CPresenceCacheClient::NewL() |
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40 // --------------------------------------------------------------------------- |
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41 // |
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42 EXPORT_C CPresenceCacheClient* CPresenceCacheClient::NewL() |
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43 { |
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44 CPresenceCacheClient* self = new( ELeave ) CPresenceCacheClient(); |
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45 CleanupStack::PushL( self ); |
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46 self->ConstructL(); |
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47 CleanupStack::Pop(); |
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48 return self; |
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49 } |
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50 |
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51 // --------------------------------------------------------------------------- |
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52 // CPresenceCacheClient::CreateReaderL() |
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53 // --------------------------------------------------------------------------- |
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54 // |
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55 EXPORT_C MPresenceCacheReader2* MPresenceCacheReader2::CreateReaderL() |
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56 { |
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57 return CPresenceCacheClient::NewL(); |
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58 } |
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59 |
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60 // --------------------------------------------------------------------------- |
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61 // CPresenceCacheClient::CreateWriterL() |
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62 // --------------------------------------------------------------------------- |
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63 // |
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64 EXPORT_C MPresenceCacheWriter2* MPresenceCacheWriter2::CreateWriterL() |
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65 { |
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66 return CPresenceCacheClient::NewL(); |
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67 } |
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68 |
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69 // --------------------------------------------------------------------------- |
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70 // CPresenceCacheClient::~CPresenceCacheClient() |
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71 // --------------------------------------------------------------------------- |
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72 // |
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73 CPresenceCacheClient::~CPresenceCacheClient() |
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74 { |
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75 delete iPresInfoPack; |
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76 delete iPresInfoPack16; |
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77 delete iNotifyHandler; |
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78 Cancel(); |
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79 RSessionBase::Close(); |
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80 } |
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81 |
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82 // --------------------------------------------------------------------------- |
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83 // CPresenceCacheClient::CPresenceCacheClient() |
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84 // --------------------------------------------------------------------------- |
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85 // |
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86 CPresenceCacheClient::CPresenceCacheClient(): CActive( EPriorityStandard ), |
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87 iWriteHandler(NULL), |
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88 iReadHandler(NULL), |
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89 iAsyncReq(NRequest::ENoRequestMade) |
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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 // --------------------------------------------------------------------------- |
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95 // CPresenceCacheClient::ConstructL() |
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96 // --------------------------------------------------------------------------- |
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97 // |
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98 void CPresenceCacheClient::ConstructL() |
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99 { |
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100 User::LeaveIfError( Connect() ); |
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101 CActiveScheduler::Add( this ); |
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102 } |
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103 |
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104 // ----------------------------------------------------------------------------- |
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105 // CPresenceCacheClient::Connect() |
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106 // Connects to the server and create a session. |
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107 // ----------------------------------------------------------------------------- |
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108 // |
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109 TInt CPresenceCacheClient::Connect() |
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110 { |
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111 TInt error = StartServer(); |
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112 |
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113 if ( KErrNone == error ) |
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114 { |
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115 error = CreateSession( NName::KSymbianServer, |
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116 Version(), |
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117 NRequest::KMsgSlotCount ); |
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118 } |
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119 return error; |
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120 } |
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121 |
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122 // ---------------------------------------------------- |
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123 // CPresenceCacheClient::StartServer |
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124 // |
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125 // ---------------------------------------------------- |
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126 // |
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127 TInt CPresenceCacheClient::StartServer() |
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128 { |
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129 TInt result; |
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130 TRequestStatus status = KRequestPending; |
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131 |
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132 TFindServer findCacheServer( NName::KSymbianServer ); |
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133 TFullName name; |
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134 |
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135 result = findCacheServer.Next( name ); |
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136 if ( result == KErrNone ) |
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137 { |
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138 // Server already running |
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139 return KErrNone; |
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140 } |
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141 |
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142 RProcess server; |
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143 result = server.Create( NName::KExecutable, KNullDesC ); |
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144 if( result != KErrNone ) |
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145 return result; |
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146 server.Rendezvous( status ); |
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147 status != KRequestPending ? server.Kill( 0 ) : server.Resume(); |
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148 //Wait for start or death |
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149 User::WaitForRequest( status ); |
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150 result = server.ExitType() == EExitPanic ? KErrGeneral : status.Int(); |
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151 server.Close(); |
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152 |
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153 return result; |
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154 } |
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155 |
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156 // ----------------------------------------------------------------------------- |
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157 // CPresenceCacheClient::Version() |
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158 // Gets the version number. |
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159 // ----------------------------------------------------------------------------- |
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160 // |
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161 TVersion CPresenceCacheClient::Version() const |
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162 { |
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163 return( TVersion( NVersion::KMajor, |
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164 NVersion::KMinor, |
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165 NVersion::KBuild ) ); |
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166 } |
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167 |
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168 // --------------------------------------------------------------------------- |
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169 // CPresenceCacheClient::PresenceInfoLC() |
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170 // --------------------------------------------------------------------------- |
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171 // |
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172 MPresenceBuddyInfo2* CPresenceCacheClient::PresenceInfoLC(const TDesC& aIdentity) |
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173 { |
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174 MPresenceBuddyInfo2* presInfo(NULL); |
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175 |
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176 if ( !ValidateXspId( aIdentity ) ) |
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177 return presInfo; |
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178 |
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179 TInt sizeOfPresInfo(0); |
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180 TPckgBuf<TInt> sizePckg; |
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181 |
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182 // Package message arguments before sending to the server |
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183 TIpcArgs args; |
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184 args.Set(1, &aIdentity); |
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185 args.Set(2, &sizePckg); |
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186 |
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187 // We will get either size(+ve) or error code(+ve) after this call |
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188 TInt err = SendReceive( NRequest::EPrepReadPresenceInfoSync, args ); |
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189 |
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190 if ( err != KErrNone && err != KErrNotFound ) |
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191 { |
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192 User::Leave( err ); |
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193 } |
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194 sizeOfPresInfo = sizePckg(); |
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195 |
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196 if ( sizeOfPresInfo && (err==KErrNone) ) // If found |
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197 { |
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198 presInfo = MPresenceBuddyInfo2::NewLC(); |
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199 HBufC8* presInfoDes = HBufC8::NewLC(sizeOfPresInfo); |
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200 TPtr8 ptrBuf( presInfoDes->Des() ); |
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201 |
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202 SendReceive( NRequest::EGetLastPreparedPacket, TIpcArgs(&ptrBuf) ); |
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203 |
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204 TCacheObjectPacker< MPresenceBuddyInfo2 >::UnPackL( *presInfo, *presInfoDes ); |
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205 CleanupStack::PopAndDestroy(presInfoDes); |
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206 } |
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207 |
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208 return presInfo; |
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209 } |
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210 |
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211 // --------------------------------------------------------------------------- |
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212 // CPresenceCacheClient::BuddyCountInAllServices() |
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213 // --------------------------------------------------------------------------- |
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214 // |
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215 TInt CPresenceCacheClient::BuddyCountInAllServices() |
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216 { |
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217 TInt buddyCount(0); |
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218 TPckgBuf<TInt> buddyCountPckg; |
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219 |
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220 // Package message arguments before sending to the server |
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221 TIpcArgs args(&buddyCountPckg); |
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222 |
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223 // This call waits for the server to complete the request before |
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224 // proceeding. |
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225 TInt err = SendReceive( NRequest::EBuddyCountInAllServices, args ); |
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226 buddyCount = buddyCountPckg(); |
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227 |
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228 return (err<0) ? err : buddyCount; |
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229 } |
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230 |
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231 // --------------------------------------------------------------------------- |
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232 // CPresenceCacheClient::BuddyCountInService() |
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233 // --------------------------------------------------------------------------- |
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234 // |
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235 TInt CPresenceCacheClient::BuddyCountInService(const TDesC& aServiceName) |
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236 { |
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237 TInt buddyCount(0); |
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238 TPckgBuf<TInt> buddyCountPckg; |
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239 |
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240 // Package message arguments before sending to the server |
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241 TIpcArgs args(&buddyCountPckg); |
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242 args.Set(1, &aServiceName); |
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243 |
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244 // This call waits for the server to complete the request before |
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245 // proceeding. |
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246 TInt err = SendReceive( NRequest::EBuddyCountInService, args ); |
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247 buddyCount = buddyCountPckg(); |
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248 |
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249 return (err<0) ? err : buddyCount; |
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250 } |
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251 |
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252 // --------------------------------------------------------------------------- |
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253 // CPresenceCacheClient::ServicesCount() |
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254 // --------------------------------------------------------------------------- |
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255 // |
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256 TInt CPresenceCacheClient::ServicesCount() |
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257 { |
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258 TInt serviceCount(0); |
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259 TPckgBuf<TInt> serviceCountPckg; |
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260 |
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261 // Package message arguments before sending to the server |
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262 TIpcArgs args(&serviceCountPckg); |
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263 |
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264 // This call waits for the server to complete the request before |
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265 // proceeding. |
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266 TInt err = SendReceive( NRequest::EGetServiceCount, args ); |
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267 serviceCount = serviceCountPckg(); |
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268 |
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269 return (err<0) ? err : serviceCount; |
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270 } |
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271 |
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272 // --------------------------------------------------------------------------- |
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273 // CPresenceCacheClient::AllBuddiesPresenceInService() |
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274 // --------------------------------------------------------------------------- |
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275 // |
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276 TInt CPresenceCacheClient::AllBuddiesPresenceInService( |
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277 const TDesC& aServiceName, |
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278 MPresenceCacheReadHandler2* aHandler) |
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279 { |
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280 if (IsActive()) |
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281 return KErrNotReady; |
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282 |
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283 if (!aHandler || (aServiceName.Length()==NULL) ) |
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284 return KErrArgument; |
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285 else |
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286 iReadHandler = aHandler; |
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287 |
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288 delete iPresInfoPack16; |
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289 iPresInfoPack16 = NULL; |
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290 TRAPD( err, iPresInfoPack16 = aServiceName.AllocL()); |
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291 if ( err ) |
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292 { |
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293 return err; |
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294 } |
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295 |
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296 // Package message arguments before sending to the server |
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297 TIpcArgs args(iPresInfoPack16); |
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298 |
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299 // This call is async |
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300 SendReceive( NRequest::EPrepReadAllBuddiesPresenceInService, args, iStatus ); |
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301 |
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302 iAsyncReq = NRequest::EPrepReadAllBuddiesPresenceInService; |
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303 |
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304 SetActive(); |
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305 |
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306 return KErrNone; |
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307 } |
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308 |
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309 // --------------------------------------------------------------------------- |
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310 // CPresenceCacheClient::SubscribePresenceBuddyChangeL |
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311 // --------------------------------------------------------------------------- |
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312 // |
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313 TInt CPresenceCacheClient::SubscribePresenceBuddyChangeL( |
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314 const TDesC& aIdentity) |
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315 { |
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316 if ( !ValidateXspId(aIdentity )) |
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317 return KErrArgument; |
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318 |
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319 if ( !iNotifyClient ) |
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320 { |
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321 return KErrNotReady; |
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322 } |
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323 |
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324 if ( !iNotifyHandler ) |
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325 { |
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326 iNotifyHandler = CPresenceCacheClientNotification::NewL( *this ); |
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327 } |
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328 |
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329 TInt ret = iNotifyHandler->SubscribePresenceBuddyChangeL( aIdentity ); |
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330 return ret; |
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331 } |
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332 |
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333 // --------------------------------------------------------------------------- |
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334 // CPresenceCacheClient::UnSubscribePresenceBuddyChangeL |
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335 // --------------------------------------------------------------------------- |
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336 // |
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337 void CPresenceCacheClient::UnSubscribePresenceBuddyChangeL( |
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338 const TDesC& aIdentity) |
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339 { |
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340 if (!ValidateXspId( aIdentity )) |
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341 return; |
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342 |
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343 if ( iNotifyHandler ) |
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344 { |
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345 iNotifyHandler->UnsubscribePresenceBuddyChangeL( aIdentity); |
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346 } |
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347 } |
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348 |
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349 // --------------------------------------------------------------------------- |
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350 // CPresenceCacheClient::SetObserverForSubscribedNotifications |
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351 // --------------------------------------------------------------------------- |
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352 // |
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353 TInt CPresenceCacheClient::SetObserverForSubscribedNotifications( |
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354 MPresenceCacheReadHandler2* aHandler) |
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355 { |
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356 if ( !aHandler ) |
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357 { |
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358 return KErrArgument; |
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359 } |
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360 iNotifyClient = aHandler; |
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361 return KErrNone; |
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362 } |
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363 |
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364 |
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365 // --------------------------------------------------------------------------- |
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366 // CPresenceCacheClient::HandlePreparedAllBuddiesPresenceL() |
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367 // --------------------------------------------------------------------------- |
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368 // |
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369 void CPresenceCacheClient::HandlePreparedAllBuddiesPresenceL(TInt aError) |
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370 { |
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371 TInt status = aError; // size comes in status |
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372 |
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373 if (!iReadHandler) |
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374 { |
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375 // this is possible in cancel situation |
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376 return; |
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377 } |
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378 |
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379 RPointerArray<MPresenceBuddyInfo2> tempArray; |
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380 CleanupClosePushL( tempArray ); |
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381 |
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382 if (status>0) // if anything found |
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383 { |
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384 HBufC8* buddyInfosDes = HBufC8::NewLC(status); |
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385 TPtr8 ptrBuf( buddyInfosDes->Des() ); |
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386 |
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387 status = SendReceive( NRequest::EGetLastAsyncPreparedPacket, TIpcArgs(&ptrBuf) ); |
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388 |
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389 TRAPD( err, TPresenceArrayPacker::UnPackArrayL( tempArray, ptrBuf )); |
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390 if ( err ) |
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391 { |
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392 tempArray.ResetAndDestroy(); |
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393 } |
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394 CleanupStack::PopAndDestroy(buddyInfosDes); |
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395 } |
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396 |
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397 // Thos takes ownership of the elements in the array |
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398 iReadHandler->HandlePresenceReadL(status, tempArray); |
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399 CleanupStack::PopAndDestroy( &tempArray ); // Close the array |
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400 } |
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401 |
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402 // --------------------------------------------------------------------------- |
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403 // CPresenceCacheClient::WritePresenceL() |
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404 // --------------------------------------------------------------------------- |
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405 // |
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406 TInt CPresenceCacheClient::WritePresenceL( |
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407 const MPresenceBuddyInfo2* aPresenceBuddyInfo) |
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408 { |
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409 if (!aPresenceBuddyInfo) |
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410 return KErrArgument; |
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411 |
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412 if (!ValidateXspId( aPresenceBuddyInfo->BuddyId() )) |
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413 return KErrArgument; |
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414 |
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415 HBufC8* presInfoPack = PackBuddyPresenceInfoLC( aPresenceBuddyInfo ); |
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416 |
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417 // Package message arguments before sending to the server |
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418 TIpcArgs args(presInfoPack); |
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419 |
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420 |
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421 // This call waits for the server to complete the request before |
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422 // proceeding. |
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423 TInt err = SendReceive( NRequest::EWritePresenceInfoSync, args ); |
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424 |
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425 CleanupStack::PopAndDestroy(presInfoPack); |
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426 |
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427 return err; |
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428 |
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429 } |
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430 |
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431 // --------------------------------------------------------------------------- |
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432 // CPresenceCacheClient::DeletePresenceL() |
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433 // --------------------------------------------------------------------------- |
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434 // |
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435 TInt CPresenceCacheClient::DeletePresenceL( const TDesC& aIdentity) |
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436 { |
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437 // Package message arguments before sending to the server |
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438 TIpcArgs args( &aIdentity ); |
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439 |
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440 // This call waits for the server to complete the request before |
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441 // proceeding. |
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442 TInt err = SendReceive( NRequest::EDeletePresence, args ); |
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443 |
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444 return err; |
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445 } |
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446 |
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447 |
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448 // --------------------------------------------------------------------------- |
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449 // CPresenceCacheClient::CancelWrite() |
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450 // --------------------------------------------------------------------------- |
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451 // |
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452 TInt CPresenceCacheClient::CancelWrite() |
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453 { |
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454 TInt ret(KErrNotFound); |
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455 if(IsActive()) |
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456 { |
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457 Cancel(); |
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458 ret = KErrNone; |
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459 } |
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460 return ret; |
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461 } |
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462 |
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463 // --------------------------------------------------------------------------- |
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464 // CPresenceCacheClient::CancelRead() |
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465 // --------------------------------------------------------------------------- |
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466 // |
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467 TInt CPresenceCacheClient::CancelRead() |
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468 { |
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469 TInt ret(KErrNotFound); |
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470 if(IsActive()) |
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471 { |
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472 Cancel(); |
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473 ret = KErrNone; |
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474 } |
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475 return ret; |
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476 } |
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477 |
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478 // --------------------------------------------------------------------------- |
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479 // CPresenceCacheClient::DeleteService() |
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480 // --------------------------------------------------------------------------- |
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481 // |
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482 TInt CPresenceCacheClient::DeleteService(const TDesC& aServiceName) |
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483 { |
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484 return SendReceive( NRequest::EDeleteService, TIpcArgs(&aServiceName) ); |
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485 } |
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486 |
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487 |
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488 |
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489 // --------------------------------------------------------------------------- |
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490 // CPresenceCacheClient::NewBuddyPresenceInfoLC() |
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491 // --------------------------------------------------------------------------- |
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492 // |
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493 |
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494 MPresenceBuddyInfo2* CPresenceCacheClient::NewBuddyPresenceInfoLC() |
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495 { |
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496 return MPresenceBuddyInfo2::NewLC(); |
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497 } |
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498 |
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499 |
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500 // --------------------------------------------------------------------------- |
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501 // CPresenceCacheClient::WritePresenceL() |
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502 // --------------------------------------------------------------------------- |
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503 // |
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504 TInt CPresenceCacheClient::WriteMultiplePresenceL( |
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505 const RPointerArray<MPresenceBuddyInfo2>& aPresenceBuddyInfos, |
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506 MPresenceCacheWriteHandler2* aHandler) |
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507 { |
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508 if (IsActive()) |
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509 return KErrNotReady; |
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510 |
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511 delete iPresInfoPack; |
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512 iPresInfoPack = NULL; |
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513 iPresInfoPack = PackPresenceBuddyListLC(aPresenceBuddyInfos); |
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514 CleanupStack::Pop(iPresInfoPack); |
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515 |
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516 // Package message arguments before sending to the server |
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517 TIpcArgs args(iPresInfoPack); |
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518 args.Set(1,aPresenceBuddyInfos.Count()); |
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519 |
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520 // This is async call to server. |
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521 SendReceive( NRequest::EWritePresenceInfoAsync, args, iStatus); |
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522 |
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523 iAsyncReq = NRequest::EWritePresenceInfoAsync; |
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524 if (aHandler) |
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525 { |
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526 iWriteHandler = aHandler; |
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527 } |
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528 SetActive(); |
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529 |
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530 return KErrNone; |
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531 } |
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532 |
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533 // --------------------------------------------------------------------------- |
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534 // CPresenceCacheClient::ValidateXspId() |
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535 // --------------------------------------------------------------------------- |
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536 // |
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537 TBool CPresenceCacheClient::ValidateXspId(const TDesC& aXspId) |
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538 { |
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539 TBool ret(EFalse); |
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540 _LIT(KColon, ":"); |
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541 TInt pos = aXspId.Find(KColon); |
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542 if(pos>0) // if colon found and there is something before colon, i.e. xsp id |
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543 { |
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544 ret = ETrue; |
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545 } |
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546 return ret; |
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547 } |
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548 |
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549 // --------------------------------------------------------------------------- |
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550 // CPresenceCacheClient::RunL() |
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551 // --------------------------------------------------------------------------- |
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552 // |
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553 void CPresenceCacheClient::RunL() |
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554 { |
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555 |
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556 TInt origStatus = iStatus.Int(); |
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557 switch (iAsyncReq) |
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558 { |
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559 case NRequest::EWritePresenceInfoAsync: |
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560 if(iWriteHandler) // if client had requested the call back |
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561 iWriteHandler->HandlePresenceWriteL(origStatus); |
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562 iAsyncReq = NRequest::ENoRequestMade; |
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563 break; |
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564 |
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565 case NRequest::EPrepReadAllBuddiesPresenceInService: |
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566 HandlePreparedAllBuddiesPresenceL(origStatus); |
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567 iAsyncReq = NRequest::ENoRequestMade; |
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568 break; |
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569 |
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570 case NRequest::ENoRequestMade: |
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571 default: |
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572 break; |
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573 } |
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574 } |
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575 |
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576 // --------------------------------------------------------------------------- |
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577 // CPresenceCacheClient::DoCancel() |
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578 // --------------------------------------------------------------------------- |
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579 // |
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580 void CPresenceCacheClient::DoCancel() |
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581 { |
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582 iAsyncReq = NRequest::ENoRequestMade; |
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583 iReadHandler = NULL; |
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584 iWriteHandler = NULL; |
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585 SendReceive( NRequest::ECancelAsyncOperation); |
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586 // in CPresenceCacheClientNotification SendReceive( NRequest::ECancelWaitingForNotification) |
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587 } |
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588 |
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589 // --------------------------------------------------------------------------- |
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590 // CPresenceCacheClient::PackBuddyPresenceInfoLC() |
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591 // --------------------------------------------------------------------------- |
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592 // |
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593 HBufC8* CPresenceCacheClient::PackBuddyPresenceInfoLC( |
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594 const MPresenceBuddyInfo2* aBuddyPresInfo) |
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595 { |
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596 HBufC8* pack(NULL); |
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597 |
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598 if ( aBuddyPresInfo ) |
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599 { |
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600 pack = TCacheObjectPacker< const MPresenceBuddyInfo2>::PackL( *aBuddyPresInfo ); |
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601 CleanupStack::PushL( pack ); |
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602 } |
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603 |
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604 return pack; |
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605 } |
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606 |
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607 // --------------------------------------------------------------------------- |
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608 // CPresenceCacheClient::PackPresenceBuddyListLC() |
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609 // --------------------------------------------------------------------------- |
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610 // |
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611 HBufC8* CPresenceCacheClient::PackPresenceBuddyListLC(const RPointerArray<MPresenceBuddyInfo2>& aList) |
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612 { |
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613 HBufC8* pack(NULL); |
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614 pack = TPresenceArrayPacker::PackArrayL( aList ); |
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615 CleanupStack::PushL( pack ); |
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616 return pack; |
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617 } |
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618 |
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619 // end of file |