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1 /* |
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2 * Copyright (c) 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: This class handles asynchronous notifications (e.g. new messages) |
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15 * from server to client. |
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16 * |
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17 */ |
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18 |
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19 // SYSTEM INCLUDES |
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20 #include <ccsnotificationhandler.h> |
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21 #include <ccsrequesthandler.h> |
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22 #include <rcssession.h> |
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23 #include <ccsclientconversation.h> |
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24 |
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25 // USER INCLUDES |
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26 #include "ccsdebug.h" |
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27 |
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28 // ----------------------------------------------------------------------------- |
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29 // CCsNotificationHandler::NewL() |
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30 // Two-phased constructor. |
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31 // ----------------------------------------------------------------------------- |
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32 CCsNotificationHandler* CCsNotificationHandler:: |
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33 NewL(CCSRequestHandler* aRequestHandler) |
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34 { |
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35 PRINT ( _L("Enter CCsNotificationHandler::NewL") ); |
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36 |
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37 CCsNotificationHandler* self = new ( ELeave ) CCsNotificationHandler(); |
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38 CleanupStack::PushL( self ); |
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39 self->ConstructL(aRequestHandler); |
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40 CleanupStack::Pop(); |
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41 |
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42 PRINT ( _L("End CCsNotificationHandler::NewL") ); |
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43 |
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44 return( self ) ; |
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45 } |
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46 |
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47 // ----------------------------------------------------------------------------- |
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48 // CCsNotificationHandler::CCsNotificationHandler() |
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49 // C++ default constructor can NOT contain any code, that might leave. |
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50 // ----------------------------------------------------------------------------- |
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51 CCsNotificationHandler::CCsNotificationHandler() |
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52 : CActive( EPriorityStandard ) |
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53 { |
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54 CActiveScheduler::Add( this ); |
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55 } |
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56 |
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57 // ----------------------------------------------------------------------------- |
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58 // CCsNotificationHandler::~CCsNotificationHandler() |
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59 // Destructor. |
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60 // ----------------------------------------------------------------------------- |
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61 CCsNotificationHandler::~CCsNotificationHandler() |
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62 { |
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63 // Unsubscribe |
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64 TRAP_IGNORE(RemoveChangeEventL()); |
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65 |
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66 Cancel(); |
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67 |
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68 iSession.Close(); |
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69 |
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70 if ( iNotificationBuffer ) |
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71 { |
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72 delete iNotificationBuffer; |
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73 iNotificationBuffer = NULL; |
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74 } |
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75 |
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76 if ( iNextReqIDBuffer ) |
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77 { |
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78 delete iNextReqIDBuffer; |
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79 iNextReqIDBuffer = NULL; |
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80 } |
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81 } |
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82 |
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83 // ----------------------------------------------------------------------------- |
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84 // CCsNotificationHandler::ConstructL() |
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85 // Symbian 2nd phase constructor can leave. |
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86 // ----------------------------------------------------------------------------- |
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87 void CCsNotificationHandler::ConstructL(CCSRequestHandler* aRequestHandler) |
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88 { |
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89 iRequestHandler = aRequestHandler; |
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90 iLastReqID = -1; |
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91 iNextReqIDBuffer = NULL; |
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92 iNotificationBuffer = NULL; |
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93 |
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94 User::LeaveIfError( iSession.Connect() ); |
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95 |
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96 // Subscribe |
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97 RequestChangeEventL(); |
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98 } |
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99 |
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100 // ----------------------------------------------------------------------------- |
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101 // CCsNotificationHandler::RunL() |
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102 // Invoked to handle responses from the server. |
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103 // ----------------------------------------------------------------------------- |
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104 void CCsNotificationHandler::RunL() |
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105 { |
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106 TInt currentReqID = 0; |
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107 if ( iNextReqIDBuffer ) |
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108 { |
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109 TLex8 lex(iNextReqIDBuffer->Des()); |
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110 lex.Val(currentReqID); |
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111 |
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112 delete iNextReqIDBuffer; |
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113 iNextReqIDBuffer = NULL; |
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114 } |
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115 |
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116 switch ( iStatus.Int() ) |
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117 { |
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118 case EAddConversationListEvent: |
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119 iRequestHandler->HandleAddConversationList(iNotificationBuffer); |
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120 break; |
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121 |
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122 case EDeleteConversationListEvent: |
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123 iRequestHandler->HandleDeleteConversationList(iNotificationBuffer); |
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124 break; |
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125 |
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126 case EModifyConversationListEvent: |
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127 iRequestHandler->HandleModifyConversationList(iNotificationBuffer); |
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128 break; |
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129 |
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130 case EAddConversationEvent: |
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131 iRequestHandler->HandleAddConversation(iNotificationBuffer); |
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132 break; |
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133 |
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134 case EDeleteConversationEvent: |
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135 iRequestHandler->HandleDeleteConversation(iNotificationBuffer); |
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136 break; |
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137 |
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138 case EModifyConversationEvent: |
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139 iRequestHandler->HandleModifyConversation(iNotificationBuffer); |
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140 break; |
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141 |
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142 case ECachingStartedEvent: |
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143 iRequestHandler->HandleCachingStarted(iNotificationBuffer); |
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144 break; |
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145 |
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146 case ECachingCompletedEvent: |
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147 iRequestHandler->HandleCachingCompleted(iNotificationBuffer); |
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148 break; |
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149 |
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150 case ECachingErrorEvent: |
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151 iRequestHandler->HandleCachingError(iNotificationBuffer); |
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152 break; |
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153 |
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154 case ERefreshConversationListEvent: |
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155 iRequestHandler->HandleRefreshConversationList(iNotificationBuffer); |
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156 break; |
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157 |
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158 case ERefreshConversationEvent: |
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159 iRequestHandler->HandleRefreshConversation(iNotificationBuffer); |
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160 break; |
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161 } |
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162 |
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163 iLastReqID = currentReqID; |
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164 RequestChangeEventL(); // re-subscribe |
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165 } |
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166 |
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167 // ----------------------------------------------------------------------------- |
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168 // CCsNotificationHandler::DoCancel() |
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169 // Cancels any outstanding operation. |
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170 // ----------------------------------------------------------------------------- |
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171 void CCsNotificationHandler::DoCancel() |
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172 { |
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173 // Do nothing |
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174 } |
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175 |
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176 // ----------------------------------------------------------------------------- |
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177 // CCsNotificationHandler::RequestChangeEventL |
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178 // Request server for any change events |
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179 // ----------------------------------------------------------------------------- |
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180 void CCsNotificationHandler::RequestChangeEventL() |
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181 { |
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182 // Create a buffer to store the search results. |
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183 if ( iNotificationBuffer ) |
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184 { |
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185 delete iNotificationBuffer; |
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186 iNotificationBuffer = NULL; |
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187 } |
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188 iNotificationBuffer = HBufC8::NewL(KBufferMaxLen); |
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189 |
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190 if ( iNextReqIDBuffer ) |
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191 { |
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192 delete iNextReqIDBuffer; |
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193 iNextReqIDBuffer = NULL; |
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194 } |
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195 iNextReqIDBuffer = HBufC8::NewL(4); |
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196 |
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197 iSession.RequestChangeEventL(iLastReqID, |
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198 iNextReqIDBuffer->Des(), |
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199 iNotificationBuffer->Des(), |
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200 iStatus ); |
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201 |
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202 SetActive(); |
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203 } |
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204 |
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205 // ----------------------------------------------------------------------------- |
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206 // CCsNotificationHandler::RemoveChangeEventL |
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207 // Remove for any change events |
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208 // ----------------------------------------------------------------------------- |
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209 void CCsNotificationHandler::RemoveChangeEventL() |
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210 { |
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211 iSession.RemoveChangeEventL(); |
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212 } |
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213 |
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214 // ----------------------------------------------------------------------------- |
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215 // CCsNotificationHandler::RequestConversationListChangeEventL |
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216 // ----------------------------------------------------------------------------- |
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217 void CCsNotificationHandler::RequestConversationListChangeEventL() |
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218 { |
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219 iSession.SetConversationListChangeObserverL(); |
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220 } |
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221 |
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222 // ----------------------------------------------------------------------------- |
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223 // CCsNotificationHandler::RemoveConversationListChangeEventL |
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224 // ----------------------------------------------------------------------------- |
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225 void CCsNotificationHandler::RemoveConversationListChangeEventL() |
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226 { |
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227 iSession.ResetConversationListChangeObserverL(); |
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228 } |
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229 |
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230 // ----------------------------------------------------------------------------- |
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231 // CCsNotificationHandler::RequestConversationChangeEventL |
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232 // ----------------------------------------------------------------------------- |
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233 void CCsNotificationHandler::RequestConversationChangeEventL |
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234 (CCsClientConversation* aClientConversation) |
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235 { |
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236 // Set ConversationChangeObserver for aClientConversation in server |
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237 // Tmp buffer |
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238 CBufFlat* dataBuf = CBufFlat::NewL(KBufferMaxLen); |
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239 CleanupStack::PushL(dataBuf); |
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240 |
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241 // Stream over the temp buffer |
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242 RBufWriteStream dataStream(*dataBuf); |
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243 dataStream.PushL(); |
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244 |
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245 // Write the Client Conversation in the stream |
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246 aClientConversation->ExternalizeL(dataStream); |
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247 dataStream.CommitL(); |
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248 |
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249 //------------------Input Buffer-------------------------- |
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250 |
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251 // Create a HBufC8 for IPC |
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252 iRequestBuffer = HBufC8::NewL(dataBuf->Size()); |
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253 TPtr8 dataPtr(iRequestBuffer->Des()); |
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254 dataBuf->Read(0, dataPtr, dataBuf->Size()); |
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255 |
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256 CleanupStack::PopAndDestroy(2, dataBuf); |
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257 |
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258 // Send the request |
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259 iSession.SetConversationChangeObserverL(iRequestBuffer->Des()); |
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260 |
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261 // Cleanup |
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262 delete iRequestBuffer; |
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263 iRequestBuffer = NULL; |
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264 } |
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265 |
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266 // ----------------------------------------------------------------------------- |
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267 // CCsNotificationHandler::RemoveConversationChangeEventL |
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268 // ----------------------------------------------------------------------------- |
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269 void CCsNotificationHandler::RemoveConversationChangeEventL |
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270 (CCsClientConversation* aClientConversation) |
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271 { |
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272 // Set ConversationChangeObserver for aClientConversation in server |
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273 // Tmp buffer |
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274 CBufFlat* dataBuf = CBufFlat::NewL(KBufferMaxLen); |
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275 CleanupStack::PushL(dataBuf); |
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276 |
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277 // Stream over the temp buffer |
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278 RBufWriteStream dataStream(*dataBuf); |
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279 dataStream.PushL(); |
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280 |
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281 // Write the Client Conversation in the stream |
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282 aClientConversation->ExternalizeL(dataStream); |
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283 dataStream.CommitL(); |
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284 |
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285 //------------------Input Buffer-------------------------- |
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286 |
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287 // Create a HBufC8 for IPC |
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288 iRequestBuffer = HBufC8::NewL(dataBuf->Size()); |
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289 TPtr8 dataPtr(iRequestBuffer->Des()); |
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290 dataBuf->Read(0, dataPtr, dataBuf->Size()); |
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291 |
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292 CleanupStack::PopAndDestroy(2, dataBuf); |
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293 |
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294 // Send the request |
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295 iSession.ResetConversationChangeObserverL(iRequestBuffer->Des()); |
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296 |
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297 // Cleanup |
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298 delete iRequestBuffer; |
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299 iRequestBuffer = NULL; |
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300 } |
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301 |
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302 // EOF |