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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: cache message change observer |
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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 // INCLUDE FILES |
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20 |
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21 #include "cimcacheaccesseventhandler.h" |
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22 #include "mimcacheclient.h" |
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23 #include "mimcacheeventhandler.h" |
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24 // logs |
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25 #include "imcachedebugtrace.h" |
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26 |
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27 // ----------------------------------------------------------------------------- |
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28 // CIMCacheAccessEventHandler::NewL |
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29 // ----------------------------------------------------------------------------- |
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30 // |
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31 CIMCacheAccessEventHandler* CIMCacheAccessEventHandler::NewL( |
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32 MIMCacheClient& aRegistrar, |
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33 MIMCacheEventHandler& aHandler ) |
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34 { |
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35 TRACE( T_LIT("CIMCacheAccessEventHandler::NewL() begin") ); |
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36 CIMCacheAccessEventHandler* self = new ( ELeave ) CIMCacheAccessEventHandler( aRegistrar ,aHandler ) ; |
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37 CleanupStack::PushL( self ); |
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38 self->ConstructL(); |
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39 CleanupStack::Pop( self ); //self |
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40 TRACE( T_LIT("CIMCacheAccessEventHandler::NewL() end") ); |
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41 return self; |
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42 } |
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43 |
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44 // ----------------------------------------------------------------------------- |
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45 // CIMCacheAccessEventHandler::ConstructL |
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46 // ----------------------------------------------------------------------------- |
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47 // |
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48 void CIMCacheAccessEventHandler::ConstructL() |
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49 { |
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50 TRACE( T_LIT("CIMCacheAccessEventHandler::ConstructL() begin") ); |
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51 iContinueObserving = ETrue ; |
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52 CActiveScheduler::Add( this ); |
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53 iRegistrar.RegisterObserverToServerL( iStatus ,EIMCacheObserveMessageAccessRegister ); |
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54 SetActive(); |
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55 TRACE( T_LIT("CIMCacheAccessEventHandler::ConstructL() end") ); |
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56 } |
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57 |
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58 // ----------------------------------------------------------------------------- |
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59 // CIMCacheAccessEventHandler::~CIMCacheAccessEventHandler |
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60 // ----------------------------------------------------------------------------- |
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61 // |
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62 CIMCacheAccessEventHandler::~CIMCacheAccessEventHandler() |
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63 { |
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64 TRACE( T_LIT("CIMCacheAccessEventHandler::~CIMCacheAccessEventHandler() begin") ); |
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65 Cancel(); |
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66 TRACE( T_LIT("CIMCacheAccessEventHandler::~CIMCacheAccessEventHandler() end") ); |
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67 } |
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68 |
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69 // ----------------------------------------------------------------------------- |
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70 // CIMCacheAccessEventHandler::CIMCacheAccessEventHandler( |
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71 // ----------------------------------------------------------------------------- |
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72 // |
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73 CIMCacheAccessEventHandler::CIMCacheAccessEventHandler( |
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74 MIMCacheClient& aRegistrar , |
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75 MIMCacheEventHandler& aHandler) : |
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76 CActive( CActive::EPriorityIdle ), |
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77 iRegistrar( aRegistrar ), |
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78 iAccessHandler( aHandler ) |
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79 { |
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80 TRACE( T_LIT("CIMCacheAccessEventHandler::CIMCacheAccessEventHandler()") ); |
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81 } |
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82 // ----------------------------------------------------------------------------- |
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83 // CIMCacheAccessEventHandler::RunL |
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84 // ----------------------------------------------------------------------------- |
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85 // |
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86 void CIMCacheAccessEventHandler::RunL() |
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87 { |
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88 TRACE( T_LIT("CIMCacheAccessEventHandler::RunL() begin") ); |
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89 TRACE( T_LIT("CIMCacheAccessEventHandler::RunL() iStatus code = "),iStatus.Int() ); |
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90 |
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91 switch( iStatus.Int() ) |
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92 { |
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93 case EIMOperationUnreadMessage : |
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94 { |
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95 TRACE( T_LIT("CIMCacheAccessEventHandler::RunL() EIMOperationUnreadMessage") ); |
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96 GetBufferChatDataL(); |
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97 break; |
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98 } |
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99 case EIMOperationUnreadChange : |
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100 { |
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101 // message data available get the data |
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102 GetBufferedChatItemL(EIMCacheUnreadChange); |
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103 break; |
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104 } |
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105 case EIMOperationChatStarted : |
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106 { |
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107 // message data available get the data |
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108 GetBufferedChatItemL(EIMCacheChatStarted); |
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109 break; |
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110 } |
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111 case EIMOperationChatDeleted : |
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112 { |
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113 // message data available get the data |
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114 GetBufferedChatItemL(EIMCacheChatClosed ); |
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115 break; |
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116 } |
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117 case EIMOperationAllChatDeleted: |
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118 { |
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119 iAccessHandler.HandleIMCacheEventL( EIMCacheAllChatClosed, NULL ); |
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120 break; |
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121 } |
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122 case EIMOperationUnRegistered: |
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123 { |
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124 TRACE(T_LIT( |
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125 "CIMCacheEventHandler::RunL() EIMOperationUnRegistered")); |
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126 iContinueObserving = EFalse; |
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127 break; |
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128 } |
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129 case KErrServerTerminated: |
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130 { |
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131 // This case handles when the server terminated status is set. |
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132 // This is scenario is typically scene when imcache server is uninstalled. |
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133 UnRegisterObserver(); |
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134 DoCancel(); |
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135 break; |
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136 } |
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137 default : |
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138 { |
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139 TRACE( T_LIT("CIMCacheEventHandler::RunL() default") ); |
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140 break; |
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141 } |
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142 } |
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143 |
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144 TRACE( T_LIT("CIMCacheAccessEventHandler::RunL() iContinueObserving iContinueObserving = %d") ,iContinueObserving); |
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145 // Comment: cancel operation is changes as synchronous. iContinueObserving from event |
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146 // can not really be trusted since complete code might be different if leave has occured |
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147 // for example. Cancel is handled here as generic cancel. |
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148 // check need to continue observing to server |
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149 if( iContinueObserving && KErrCancel != iStatus.Int() ) |
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150 { |
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151 iRegistrar.RegisterObserverToServerL( iStatus ,EIMCacheObserveMessageAccessRegister ); |
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152 SetActive(); |
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153 } |
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154 TRACE( T_LIT("CIMCacheAccessEventHandler::RunL() end") ); |
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155 } |
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156 // ----------------------------------------------------------------------------- |
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157 // CIMCacheAccessEventHandler::DoCancel |
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158 // ----------------------------------------------------------------------------- |
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159 // |
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160 void CIMCacheAccessEventHandler::DoCancel() |
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161 { |
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162 TRACE( T_LIT("CIMCacheAccessEventHandler::DoCancel() ") ); |
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163 // Comment: set to EFalse here since we can not trust other changes. See |
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164 // comments in RunL |
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165 iContinueObserving = EFalse; |
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166 if( IsActive() ) |
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167 { |
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168 TRAP_IGNORE(iRegistrar.CancelRequestL( iStatus ,EIMCacheCancelRequest )); |
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169 } |
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170 } |
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171 |
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172 // --------------------------------------------------------- |
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173 // CIMCacheAccessEventHandler::RunError() |
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174 // --------------------------------------------------------- |
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175 // |
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176 TInt CIMCacheAccessEventHandler::RunError( TInt /* aError */) |
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177 { |
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178 TRACE( T_LIT("CVIMPSTEngineCVListener::RunError() start")); |
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179 return KErrNone; |
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180 } |
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181 // ----------------------------------------------------------------------------- |
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182 // CIMCacheAccessEventHandler::UnRegisterObserver |
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183 // ----------------------------------------------------------------------------- |
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184 // |
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185 void CIMCacheAccessEventHandler::UnRegisterObserver() |
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186 { |
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187 TRACE( T_LIT("CIMCacheAccessEventHandler::UnRegisterObserver() begin") ); |
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188 if( IsActive() ) |
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189 { |
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190 TRACE( T_LIT("CIMCacheAccessEventHandler::UnRegisterObserver() active") ); |
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191 TRAP_IGNORE(iRegistrar.UnRegisterObserverToServerL( iStatus ,EIMCacheObserveMessageAccessUnRegister )); |
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192 } |
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193 TRACE( T_LIT("CIMCacheAccessEventHandler::UnRegisterObserver() end") ); |
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194 } |
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195 |
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196 // ----------------------------------------------------------------------------- |
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197 // CIMCacheAccessEventHandler::GetBufferChatDataL |
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198 // ----------------------------------------------------------------------------- |
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199 // |
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200 void CIMCacheAccessEventHandler::GetBufferChatDataL() |
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201 { |
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202 TRACE( T_LIT("CIMCacheAccessEventHandler::GetBufferChatDataL() begin") ); |
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203 |
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204 TBool more = ETrue; |
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205 while(more) |
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206 { |
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207 TPtr8 bufferPtr = iRegistrar.GetBufferedDataL( EIMCacheGetBufferedPackets ); |
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208 InternalizeChatDataL( bufferPtr , more ); |
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209 } |
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210 TRACE( T_LIT("CIMCacheAccessEventHandler::GetBufferChatDataL() end") ); |
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211 } |
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212 |
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213 // ----------------------------------------------------------------------------- |
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214 // CIMCacheAccessEventHandler::InternalizeChatDataL |
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215 // ----------------------------------------------------------------------------- |
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216 void CIMCacheAccessEventHandler::InternalizeChatDataL( TPtr8 aChatDataBuffer , TBool& aMore ) |
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217 { |
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218 TRACE( T_LIT("CIMCacheAccessEventHandler::InternalizeChatDataL() Start") ); |
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219 if( 0 == aChatDataBuffer.Length()) |
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220 { |
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221 TRACE( T_LIT("CIMCacheAccessEventHandler::InternalizeChatItemL() aChatDataBuffer is zeor, hence returning ") ); |
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222 return; |
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223 } |
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224 RDesReadStream readAllStream ; |
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225 RDesReadStream readStream ; |
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226 |
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227 readAllStream.Open( aChatDataBuffer ); |
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228 CleanupClosePushL(readAllStream); |
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229 |
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230 TInt messageCount = readAllStream.ReadInt16L(); |
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231 |
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232 for( TInt i=0; i< messageCount; i++) |
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233 { |
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234 SIMCacheMessageData chatData = |
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235 { |
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236 TIMCacheMessageType(0), |
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237 }; |
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238 |
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239 TInt size = readAllStream.ReadInt16L() ; |
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240 HBufC8* mBuffer = HBufC8::NewLC( size ); |
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241 TPtr8 mBufferPtr = mBuffer->Des(); |
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242 |
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243 readAllStream.ReadL( mBufferPtr , size ); |
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244 |
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245 readStream.Open( *mBuffer ); |
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246 CleanupClosePushL(readStream) ; |
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247 |
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248 chatData.iMessageType = static_cast<TIMCacheMessageType>( readStream.ReadInt16L() ); |
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249 chatData.iMessagerType = static_cast<TIMCacheMessagerType>( readStream.ReadInt16L() ); |
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250 chatData.iContentType = static_cast<TIMCacheContentType>( readStream.ReadInt16L() ); |
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251 chatData.iTime = static_cast<TReal64>( readStream.ReadReal64L() ); |
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252 |
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253 TInt buddyLength = readStream.ReadInt16L(); |
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254 HBufC* buddy = HBufC::NewLC( buddyLength ); |
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255 TPtr buddyPtr = buddy->Des(); |
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256 readStream.ReadL( buddyPtr , buddyLength ); |
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257 chatData.iBuddyId = buddy; |
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258 |
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259 TInt textSize = readStream.ReadInt16L(); |
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260 HBufC* text = HBufC::NewLC( textSize ); |
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261 TPtr textPtr = text->Des(); |
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262 readStream.ReadL( textPtr , textSize); |
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263 chatData.iText = text; |
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264 |
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265 iAccessHandler.HandleIMCacheEventL(EIMCacheUnreadMessage , &chatData); |
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266 |
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267 CleanupStack::PopAndDestroy(4);//close read stream, delete mBuffer, text, buddy |
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268 } |
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269 |
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270 aMore = static_cast<TBool>( readAllStream.ReadInt16L() ); |
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271 |
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272 CleanupStack::PopAndDestroy();//readAllStream. |
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273 |
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274 TRACE( T_LIT("CIMCacheAccessEventHandler::InternalizeChatDataL() End") ); |
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275 } |
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276 |
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277 // ----------------------------------------------------------------------------- |
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278 // CIMCacheAccessEventHandler::GetBufferedChatItemL |
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279 // ----------------------------------------------------------------------------- |
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280 // |
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281 void CIMCacheAccessEventHandler::GetBufferedChatItemL( TIMCacheEventType aEventType ) |
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282 { |
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283 TRACE( T_LIT("CIMCacheAccessEventHandler::GetBufferedChatItemL() begin") ); |
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284 |
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285 TPtr8 bufferPtr = iRegistrar.GetBufferedDataL( EIMCacheGetBufferedPackets ); |
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286 |
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287 InternalizeChatItemL( aEventType, bufferPtr ); |
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288 |
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289 TRACE( T_LIT("CIMCacheAccessEventHandler::GetBufferedChatItemL() end") ); |
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290 } |
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291 // ----------------------------------------------------------------------------- |
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292 // CIMCacheAccessEventHandler::InternalizeChatItemL |
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293 // ----------------------------------------------------------------------------- |
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294 // |
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295 void CIMCacheAccessEventHandler::InternalizeChatItemL( TIMCacheEventType aEventType, |
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296 TPtr8 aContactBuffer ) |
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297 { |
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298 TRACE( T_LIT("CIMCacheAccessEventHandler::InternalizeChatItemL() begin") ); |
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299 if( 0 == aContactBuffer.Length()) |
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300 { |
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301 TRACE( T_LIT("CIMCacheAccessEventHandler::InternalizeChatItemL() aChatDataBuffer is zeor, hence returning ") ); |
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302 return; |
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303 } |
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304 RDesReadStream readAllStream ; |
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305 RDesReadStream readStream ; |
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306 |
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307 readAllStream.Open( aContactBuffer ); |
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308 CleanupClosePushL(readAllStream); |
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309 |
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310 TInt messageCount = readAllStream.ReadInt16L(); |
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311 |
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312 for( TInt i=0; i< messageCount; i++) |
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313 { |
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314 SIMCacheChatItem chatItem = |
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315 { |
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316 0, |
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317 }; |
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318 |
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319 TInt size = readAllStream.ReadInt16L() ; |
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320 HBufC8* mBuffer = HBufC8::NewLC( size ); |
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321 TPtr8 mBufferPtr = mBuffer->Des(); |
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322 |
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323 readAllStream.ReadL( mBufferPtr , size ); |
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324 |
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325 readStream.Open( *mBuffer ); |
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326 CleanupClosePushL(readStream) ; |
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327 |
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328 chatItem.iServiceId = static_cast<TInt>( readStream.ReadInt16L() ); |
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329 |
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330 TInt textSize = readStream.ReadInt16L(); |
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331 HBufC* buddyId = HBufC::NewLC( textSize ); |
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332 TPtr buddyIdPtr = buddyId->Des(); |
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333 readStream.ReadL( buddyIdPtr , textSize); |
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334 |
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335 chatItem.iBuddyId = buddyId; |
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336 |
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337 iAccessHandler.HandleIMCacheEventL( aEventType , &chatItem ); |
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338 |
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339 CleanupStack::PopAndDestroy(3);//buddyId , close read stream, delete mBuffer. |
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340 |
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341 } |
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342 CleanupStack::PopAndDestroy();//readAllStream. |
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343 TRACE( T_LIT("CIMCacheAccessEventHandler::InternalizeChatItemL() End") ); |
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344 } |
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345 |
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346 |
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347 // end of file |
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348 |