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1 /* |
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2 * Copyright (c) 2006,2007 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: Simple Engine |
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15 * |
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16 */ |
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17 |
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18 |
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19 |
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20 |
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21 // INCLUDE FILES |
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22 |
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23 #include <e32std.h> |
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24 #include <s32mem.h> |
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25 |
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26 // own simple |
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27 #include "msimpleconnection.h" |
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28 #include "simpleconnection.h" |
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29 #include "simplecommon.h" |
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30 #include "simpleenginerequest.h" |
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31 #include "msimpledocument.h" |
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32 #include "msimplefilterdocument.h" |
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33 #include "msimplewatcherobserver.h" |
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34 #include "msimplepresencelist.h" |
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35 #include "simplewatcher.h" |
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36 #include "simpleerrors.h" |
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37 #include "simplexmlfactory.h" |
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38 |
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39 #include "simplesipconnection.h" |
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40 |
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41 #ifdef _DEBUG |
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42 #include "simpledebugutils.h" |
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43 #endif |
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44 |
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45 const TInt KExpandSize = 512; |
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46 |
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47 |
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48 // ================= MEMBER FUNCTIONS ======================= |
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49 // |
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50 |
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51 // ---------------------------------------------------------- |
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52 // CSimpleWatcher::CSimpleWatcher |
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53 // ---------------------------------------------------------- |
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54 // |
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55 CSimpleWatcher::CSimpleWatcher( |
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56 MSimpleConnection& aConn, |
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57 MSimpleWatcherObserver& aObserver ) |
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58 : CSimpleClient( aConn ), |
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59 iObserver( aObserver ), |
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60 iResCount(0), iComplete( EFalse ), |
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61 iBuffer(NULL) |
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62 { |
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63 } |
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64 |
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65 // ---------------------------------------------------------- |
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66 // CSimpleWatcher::~CSimpleWatcher |
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67 // ---------------------------------------------------------- |
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68 // |
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69 CSimpleWatcher::~CSimpleWatcher() |
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70 { |
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71 #ifdef _DEBUG |
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72 TSimpleLogger::Log(_L("Watcher: Destructor this=%d" ), (TInt)this ); |
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73 #endif |
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74 delete iBuffer; |
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75 } |
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76 |
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77 // ---------------------------------------------------------- |
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78 // CSimpleWatcher::ConstructL |
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79 // ---------------------------------------------------------- |
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80 // |
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81 void CSimpleWatcher::ConstructL() |
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82 { |
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83 BaseConstructL(); |
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84 iBuffer = CBufFlat::NewL(KExpandSize); |
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85 } |
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86 |
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87 // ---------------------------------------------------------- |
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88 // CSimpleWatcher::NewL |
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89 // ---------------------------------------------------------- |
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90 // |
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91 CSimpleWatcher* CSimpleWatcher::NewL( |
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92 MSimpleConnection& aConn, |
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93 MSimpleWatcherObserver& aObserver ) |
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94 { |
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95 CSimpleWatcher* self = new (ELeave) CSimpleWatcher( |
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96 aConn, aObserver ); |
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97 CleanupStack::PushL( self ); |
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98 self->ConstructL(); |
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99 CleanupStack::Pop( self ); |
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100 #ifdef _DEBUG |
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101 TSimpleLogger::Log(_L("Watcher: NewL this=%d" ), (TInt)self ); |
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102 #endif |
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103 return self; |
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104 } |
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105 |
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106 // ---------------------------------------------------------- |
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107 // CSimpleWatcher::Connection |
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108 // ---------------------------------------------------------- |
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109 // |
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110 const MSimpleConnection& CSimpleWatcher::Connection() |
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111 { |
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112 return iConn; |
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113 } |
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114 |
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115 // ---------------------------------------------------------- |
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116 // CSimpleWatcher::SIPStatus |
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117 // ---------------------------------------------------------- |
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118 // |
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119 TUint CSimpleWatcher::SIPStatus() |
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120 { |
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121 return DoSIPStatus(); |
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122 } |
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123 |
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124 // ---------------------------------------------------------- |
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125 // CSimpleWatcher::SIPRetryAfter |
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126 // ---------------------------------------------------------- |
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127 // |
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128 TUint CSimpleWatcher::SIPRetryAfter() |
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129 { |
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130 return DoRetryAfter(); |
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131 } |
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132 |
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133 // ---------------------------------------------------------- |
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134 // CSimpleWatcher::SipSubscriptionState |
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135 // ---------------------------------------------------------- |
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136 // |
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137 MSimpleWatcher::TSimpleSipSubscriptionState CSimpleWatcher::SipSubscriptionState() |
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138 { |
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139 MSimpleWatcher::TSimpleSipSubscriptionState retVal = ESimpleStateNone; |
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140 |
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141 // get the old request |
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142 CSimpleEngineRequest* req = SearchRequests( iSubsId ); |
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143 if ( req ) |
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144 { |
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145 CSimpleConnection* conn = STATIC_CAST( CSimpleConnection*, &iConn); //lint !e826 |
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146 CSimpleSipConnection* engine = conn->Connection(); |
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147 MSimpleEngineRequest::TSimpleSipSubscriptionState intVal = engine->SipSubscriptionState( *req ); |
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148 switch ( intVal ) |
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149 { |
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150 case MSimpleEngineRequest::ESimpleStateNone: |
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151 retVal = MSimpleWatcher::ESimpleStateNone; |
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152 break; |
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153 case MSimpleEngineRequest::ESimpleStatePending: |
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154 retVal = MSimpleWatcher::ESimpleStatePending; |
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155 break; |
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156 case MSimpleEngineRequest::ESimpleStateActive: |
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157 retVal = MSimpleWatcher::ESimpleStateActive; |
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158 break; |
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159 case MSimpleEngineRequest::ESimpleStateTerminated: |
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160 default: |
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161 retVal = MSimpleWatcher::ESimpleStateTerminated; |
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162 break; |
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163 } |
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164 } |
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165 return retVal; |
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166 } |
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167 |
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168 |
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169 // ---------------------------------------------------------- |
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170 // CSimpleWatcher::Close |
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171 // ---------------------------------------------------------- |
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172 // |
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173 void CSimpleWatcher::Close( ) |
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174 { |
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175 delete this; |
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176 } |
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177 |
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178 // ---------------------------------------------------------- |
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179 // CSimpleWatcher::NewRequestL |
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180 // ---------------------------------------------------------- |
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181 // |
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182 void CSimpleWatcher::NewRequestL( MSimpleEngineRequest& aReq ) |
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183 { |
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184 TPtrC8 content = aReq.ResponseData(); |
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185 TPtrC8 contType = aReq.ResponseContentType(); |
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186 TPtrC8 p8; |
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187 p8.Set( KSimpleDocumentType ); |
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188 TInt mySize = p8.Length(); |
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189 p8.Set( KSimpleMultipartType ); |
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190 TInt mySize2 = p8.Length(); |
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191 if (!contType.Left(mySize).CompareF(KSimpleDocumentType)) |
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192 { |
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193 MSimpleDocument* d = TSimpleXmlFactory::NewDocumentL( content ); |
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194 CleanupClosePushL( *d ); |
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195 #ifdef _DEBUG |
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196 TSimpleLogger::Log(_L("Watcher: call WatcherNotificationL")); |
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197 #endif |
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198 iObserver.WatcherNotificationL( *d ); |
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199 CleanupStack::PopAndDestroy( d ); |
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200 } |
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201 else if ( !(contType.Left(mySize2).CompareF( KSimpleMultipartType ))) |
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202 { |
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203 // Detect the difference between multipart/related cases |
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204 // application/pidf+xml and application/rlmi+xml |
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205 if ( contType.FindF( KSimpleDocumentType ) > 0 ) |
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206 { |
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207 // Multipart for a single presentity having a direct content. |
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208 MSimpleDocument* d = TSimpleXmlFactory::NewDocumentInMultiPartL( |
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209 content, aReq.ResponseBoundary(), aReq.ResponseStart() ); |
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210 CleanupClosePushL( *d ); |
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211 #ifdef _DEBUG |
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212 TSimpleLogger::Log(_L("Watcher: call WatcherNotificationL (content)")); |
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213 #endif |
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214 iObserver.WatcherNotificationL( *d ); |
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215 CleanupStack::PopAndDestroy( d ); |
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216 } |
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217 else |
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218 { |
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219 // Multipart for a presence list. |
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220 MSimplePresenceList* l = TSimpleXmlFactory::NewPresenceListL( |
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221 content, aReq.ResponseBoundary(), aReq.ResponseStart() ); |
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222 CleanupClosePushL( *l ); |
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223 #ifdef _DEBUG |
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224 TSimpleLogger::Log(_L("Watcher: call WatcherListNotificationL")); |
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225 #endif |
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226 iObserver.WatcherListNotificationL( *l ); |
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227 CleanupStack::PopAndDestroy( l ); |
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228 } |
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229 } |
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230 else |
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231 { |
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232 // Unsupported content type, ignore it. |
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233 } |
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234 } |
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235 |
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236 // ---------------------------------------------------------- |
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237 // CSimpleWatcher::Complete |
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238 // ---------------------------------------------------------- |
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239 // |
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240 void CSimpleWatcher::Complete( |
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241 TInt aOpId, TInt aStatus, MSimpleEngineRequest& aReq ) |
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242 { |
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243 #ifdef _DEBUG |
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244 TSimpleLogger::Log(_L("Watcher: Complete opid=%d status=%d" ), |
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245 aOpId, aStatus ); |
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246 #endif |
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247 |
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248 // FUNCTIONALITY |
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249 // Get |
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250 // - SIP ok + terminated -> WatcherReqCompleteL(ok) + WatcherNotificationL(terminated) |
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251 // - terminated + SIP ok -> WatcherNotificationL(terminated) + WatcherReqCompleteL(ok) |
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252 // |
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253 // Stop |
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254 // - terminated + SIP ok -> WatcherReqCompleteL(ok) |
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255 // - SIP ok + terminated -> WatcherReqCompleteL(ok) |
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256 // |
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257 // Subscribe |
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258 // - SIP error -> WatcherReqCompleteL(error) |
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259 // - SIP ok + terminated -> |
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260 // WatcherReqCompleteL(ok) + WatcherNotificationL(terminated) + WatcherTerminated() |
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261 // - SIP ok + active + terminated -> |
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262 // WatcherReqCompleteL(ok) + WatcherNotificationL(active) + |
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263 // WatcherNotificationL(terminated) + WatcherTErminated |
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264 // - active + SIP ok + terminated -> |
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265 // WatcherNotificationL(active) + WatcherReqCompleteL(ok) + |
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266 // WatcherNotificationL(terminated) + WatcherTerminated |
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267 // |
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268 |
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269 TBool completeNow( EFalse ); |
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270 MSimpleEngineRequest::TSimpleRequest orig = aReq.RequestType(); |
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271 |
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272 if ( orig == MSimpleEngineRequest::EDestroyStart ) |
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273 { |
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274 // It's time to delete the request of delayed deletion from both DLLs. |
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275 // Delete immediately from another DLL. |
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276 aReq.ModifyType( MSimpleEngineRequest::EDestroy ); |
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277 TRAP_IGNORE( SendReqL( aReq )); |
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278 // Delete from this DLL, |
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279 aReq.Destroy(); |
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280 return; |
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281 } |
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282 |
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283 GetSIPStatus( aOpId ); |
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284 |
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285 // Reset data buffer |
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286 iBuffer->Reset(); |
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287 |
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288 // Set the member to point to stack variable |
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289 TBool destroyed( EFalse ); |
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290 iDestroyedPtr = &destroyed; |
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291 |
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292 MSimpleEngineRequest::TSimpleSIPResponse respMet = aReq.ResponseMethod(); |
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293 |
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294 // Convert KSimpleErrPending to OK when needed |
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295 if ( aStatus == KSimpleErrPending ) |
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296 { |
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297 aStatus = KErrNone; |
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298 } |
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299 |
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300 // Handle SIP notification first |
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301 if ( respMet == MSimpleEngineRequest::ENotify ) |
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302 { |
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303 // This is true in notifications. Ignore some responses. |
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304 if ( aStatus == KErrCompletion ) |
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305 { |
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306 iResCount++; |
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307 } |
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308 if ( orig != MSimpleEngineRequest::ESubscribeStop ) |
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309 { |
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310 TRAP_IGNORE( NewRequestL( aReq ) ); |
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311 // Check whether an application has called destructor in callback method. |
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312 // Destructor will handle deletion of all the open requests. |
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313 if ( destroyed ) |
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314 { |
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315 return; |
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316 } |
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317 } |
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318 else if ( iResCount > 1 ) |
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319 { |
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320 // Stop request is not completed until ok + Notify(terminated) received. |
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321 // Error completes the stop reqest without Notification. |
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322 completeNow = ETrue; |
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323 if ( DoCallReqComplete( aOpId, KErrNone )) |
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324 { |
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325 return; |
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326 } |
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327 } |
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328 } |
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329 else |
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330 { |
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331 // SIP Status response or client originated cancellation |
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332 iResCount++; |
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333 if ( aStatus != KErrNone ) |
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334 { |
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335 iResCount++; |
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336 if ( orig == MSimpleEngineRequest::ESubscribeStop ) |
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337 { |
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338 // Any response to stop subscribe is ok. |
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339 aStatus = KErrNone; |
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340 } |
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341 } |
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342 |
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343 if ( !iComplete && |
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344 ( orig != MSimpleEngineRequest::ESubscribeStop || |
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345 orig == MSimpleEngineRequest::ESubscribeStop && iResCount > 1 ) ) |
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346 { |
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347 // Stop request is not completed until ok + Notify(terminated) received. |
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348 // Error completes the stop reqest without Notification. |
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349 completeNow = ETrue; |
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350 if ( DoCallReqComplete( aOpId, aStatus )) |
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351 { |
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352 return; |
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353 } |
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354 } |
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355 } |
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356 |
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357 // Delete request when not needed |
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358 if ( iResCount > 1 ) |
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359 { |
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360 iRequest = MSimpleEngineRequest::ENone; |
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361 iComplete = EFalse; |
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362 TInt reason = ResponseReason( aReq ); |
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363 // Delete corresponding request from another DLL with delay. This decreases |
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364 // the counter of active subscriptions there. |
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365 aReq.ModifyType( MSimpleEngineRequest::EDestroyStart ); |
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366 TRAP_IGNORE( SendReqL( aReq )); |
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367 // call WatcherTerminatedL when needed, i.e. no Stop or Get |
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368 if ( orig != MSimpleEngineRequest::ESubscribeStop && |
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369 orig != MSimpleEngineRequest::ESubscribeGet && |
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370 !completeNow ) |
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371 { |
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372 #ifdef _DEBUG |
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373 TSimpleLogger::Log(_L("Watcher: call WatcherTerminatedL opid=%d"), |
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374 aOpId ); |
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375 #endif |
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376 TRAP_IGNORE( iObserver.WatcherTerminatedL( aOpId, reason )); |
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377 // Check whether an application has called destructor in callback method. |
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378 // Destructor of CSimpleClient base class will handle deletion of |
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379 // all the open requests. |
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380 if ( destroyed ) |
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381 { |
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382 return; |
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383 } |
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384 } |
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385 // delete request from this DLL later |
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386 } |
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387 |
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388 iDestroyedPtr = NULL; |
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389 } |
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390 |
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391 // ---------------------------------------------------------- |
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392 // CSimpleWatcher::SubscribeL |
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393 // ---------------------------------------------------------- |
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394 // |
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395 TInt CSimpleWatcher::SubscribeL( |
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396 const TDesC8& aURI, |
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397 MSimpleFilterDocument* aFilter, |
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398 TBool aRefresh, |
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399 TBool aAnonymous ) |
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400 { |
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401 |
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402 if ( iRequest != MSimpleEngineRequest::ENone ) |
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403 { |
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404 #ifdef _DEBUG |
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405 TSimpleLogger::Log(_L("Watcher: SubscribeL IN-USE **" ) ); |
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406 #endif |
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407 User::Leave( KErrInUse ); |
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408 } |
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409 |
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410 IncreaseOpId(); |
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411 |
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412 #ifdef _DEBUG |
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413 TSimpleLogger::Log(_L("Watcher: SubscribeL opid=%d" ), iOpId ); |
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414 #endif |
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415 |
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416 CSimpleEngineRequest* req = CSimpleEngineRequest::NewL( |
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417 *this, MSimpleEngineRequest::ESubscribe, iOpId ); |
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418 CleanupStack::PushL( req ); |
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419 req->SetRemoteURIL( aURI ); |
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420 req->SetRefresh( aRefresh ); |
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421 if ( aAnonymous ) |
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422 { |
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423 req->SetAux( 1 ); |
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424 } |
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425 |
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426 // handle optional filter document |
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427 if ( aFilter ) |
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428 { |
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429 StreamDocumentL( *req, *aFilter ); |
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430 } |
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431 |
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432 SendReqL( *req ); |
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433 iRequestList.AddLast( *req ); |
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434 CleanupStack::Pop( req ); |
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435 |
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436 iRequest = MSimpleEngineRequest::ESubscribe; |
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437 iResCount = 0; |
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438 iSubsId = iOpId; |
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439 |
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440 return iOpId; |
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441 } |
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442 |
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443 // ---------------------------------------------------------- |
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444 // CSimpleWatcher::SubscribeListL |
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445 // ---------------------------------------------------------- |
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446 // |
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447 TInt CSimpleWatcher::SubscribeListL( |
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448 const TDesC8& aURI, |
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449 MSimpleFilterDocument* aFilter, |
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450 TBool aRefresh, |
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451 TBool aAnonymous ) |
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452 { |
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453 if ( iRequest != MSimpleEngineRequest::ENone ) |
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454 { |
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455 #ifdef _DEBUG |
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456 TSimpleLogger::Log(_L("Watcher: SubscribeListL IN-USE **" ) ); |
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457 #endif |
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458 User::Leave( KErrInUse ); |
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459 } |
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460 |
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461 IncreaseOpId(); |
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462 #ifdef _DEBUG |
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463 TSimpleLogger::Log(_L("Watcher: SubscribeListL opid=%d" ), iOpId); |
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464 #endif |
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465 |
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466 CSimpleEngineRequest* req = CSimpleEngineRequest::NewL( |
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467 *this, MSimpleEngineRequest::ESubscribeLista, iOpId ); |
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468 CleanupStack::PushL( req ); |
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469 req->SetRemoteURIL( aURI ); |
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470 req->SetRefresh( aRefresh ); |
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471 if ( aAnonymous ) |
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472 { |
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473 req->SetAux( 1 ); |
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474 } |
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475 |
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476 // handle optional filter document |
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477 if ( aFilter ) |
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478 { |
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479 StreamDocumentL( *req, *aFilter ); |
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480 } |
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481 |
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482 SendReqL( *req ); |
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483 iRequestList.AddLast( *req ); |
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484 CleanupStack::Pop( req ); |
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485 |
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486 iRequest = MSimpleEngineRequest::ESubscribeLista; |
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487 iResCount = 0; |
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488 iSubsId = iOpId; |
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489 |
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490 return iOpId; |
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491 } |
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492 |
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493 // ---------------------------------------------------------- |
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494 // CSimpleWatcher::GetPresenceL |
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495 // ---------------------------------------------------------- |
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496 // |
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497 TInt CSimpleWatcher::GetPresenceL( |
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498 const TDesC8& aURI, |
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499 MSimpleFilterDocument* aFilter, |
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500 TBool aAnonymous ) |
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501 { |
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502 if ( iRequest != MSimpleEngineRequest::ENone ) |
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503 { |
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504 #ifdef _DEBUG |
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505 TSimpleLogger::Log(_L("Watcher: GetPresenceL IN-USE **" ) ); |
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506 #endif |
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507 User::Leave( KErrInUse ); |
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508 } |
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509 |
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510 IncreaseOpId(); |
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511 #ifdef _DEBUG |
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512 TSimpleLogger::Log(_L("Watcher: GetPresenceL opid=%d" ), iOpId ); |
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513 #endif |
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514 |
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515 CSimpleEngineRequest* req = CSimpleEngineRequest::NewL( |
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516 *this, MSimpleEngineRequest::ESubscribeGet, iOpId ); |
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517 CleanupStack::PushL( req ); |
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518 req->SetRemoteURIL( aURI ); |
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519 if ( aAnonymous ) |
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520 { |
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521 req->SetAux( 1 ); |
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522 } |
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523 |
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524 // handle optional filter document |
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525 if ( aFilter ) |
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526 { |
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527 StreamDocumentL( *req, *aFilter ); |
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528 } |
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529 |
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530 SendReqL( *req ); |
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531 iRequestList.AddLast( *req ); |
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532 CleanupStack::Pop( req ); |
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533 |
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534 iRequest = MSimpleEngineRequest::ESubscribeGet; |
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535 iResCount = 0; |
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536 |
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537 return iOpId; |
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538 } |
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539 |
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540 // ---------------------------------------------------------- |
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541 // CSimpleWatcher::UnsubscribeL |
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542 // ---------------------------------------------------------- |
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543 // |
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544 TInt CSimpleWatcher::UnsubscribeL( ) |
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545 { |
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546 |
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547 #ifdef _DEBUG |
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548 TSimpleLogger::Log(_L("Watcher: UnsubscribeL opid=%d" ), iSubsId); |
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549 #endif |
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550 // use the old opid and request |
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551 CSimpleEngineRequest* req = SearchRequests( iSubsId ); |
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552 if ( !req ) |
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553 { |
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554 User::Leave( KErrNotFound ); |
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555 } |
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556 req->ModifyType( MSimpleEngineRequest::ESubscribeStop ); |
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557 |
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558 SendReqL( *req ); |
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559 |
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560 iRequest = MSimpleEngineRequest::ESubscribeStop; |
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561 iComplete = EFalse; |
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562 iResCount = 0; |
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563 |
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564 return iOpId; |
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565 } |
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566 |
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567 // ---------------------------------------------------------- |
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568 // CSimpleWatcher::StreamDocumentL |
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569 // ---------------------------------------------------------- |
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570 // |
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571 void CSimpleWatcher::StreamDocumentL( |
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572 CSimpleEngineRequest& aReq, |
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573 MSimpleFilterDocument& aFilter ) |
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574 { |
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575 // add request data |
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576 // externalize the document a stream |
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577 iBuffer->Reset(); |
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578 RBufWriteStream stream( *iBuffer ); |
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579 stream.Open( *iBuffer ); |
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580 aFilter.ExternalizeL( stream ); |
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581 stream.Close(); |
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582 aReq.SetRequestData( iBuffer->Ptr(0) ); |
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583 } |
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584 |
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585 // ---------------------------------------------------------- |
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586 // CSimpleWatcher::DoCallReqComplete |
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587 // ---------------------------------------------------------- |
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588 // |
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589 TInt CSimpleWatcher::DoCallReqComplete( |
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590 TInt aOpId, TInt aStatus ) |
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591 { |
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592 // Set the member to point to stack variable |
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593 TBool destroyed( EFalse ); |
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594 iDestroyedPtr = &destroyed; |
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595 |
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596 iComplete = ETrue; |
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597 #ifdef _DEBUG |
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598 TSimpleLogger::Log(_L("Watcher: call WatcherReqCompleteL opid=%d status=%d"), |
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599 aOpId, aStatus); |
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600 #endif |
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601 TRAP_IGNORE( iObserver.WatcherReqCompleteL( aOpId, aStatus )); |
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602 // Check whether an application has called destructor in callback method. |
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603 // Destructor will handle deletion of all the open requests. |
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604 if ( destroyed ) |
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605 { |
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606 return KErrGeneral; |
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607 } |
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608 return KErrNone; |
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609 } |
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610 |