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1 /* |
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2 * Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: Implementation for IMAP mail fetcher |
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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 "emailtrace.h" |
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20 #include "cesmrimapmailfetcher.h" |
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21 #include "esmricalviewerutils.h" |
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22 //<cmail> |
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23 #include "CFSMailClient.h" |
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24 #include "CFSMailFolder.h" |
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25 #include "CFSMailMessagePart.h" |
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26 #include "CFSMailCommon.h" |
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27 #include "esmricalvieweropcodes.hrh" |
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28 //</cmail> |
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29 |
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30 |
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31 // Unnamed namespace for local definitions |
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32 namespace { |
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33 |
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34 // Preferred byte count definition |
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35 const TInt KPreferredByteCount(0); |
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36 } |
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37 |
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38 // ======== MEMBER FUNCTIONS ======== |
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39 |
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40 // --------------------------------------------------------------------------- |
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41 // CESMRImapMailFetcherCmd::CESMRImapMailFetcherCmd |
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42 // --------------------------------------------------------------------------- |
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43 // |
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44 CESMRImapMailFetcherCmd::CESMRImapMailFetcherCmd( |
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45 CFSMailClient& aMailClient, |
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46 CCalSession& aCalSession ) |
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47 : CESMRIcalViewerAsyncCommand( |
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48 EESMRFetchMailContent, |
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49 aCalSession ), |
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50 iMailClient( aMailClient ) |
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51 { |
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52 FUNC_LOG; |
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53 iResult.iOpType = OperationType(); |
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54 iResult.iResultCode = KErrNone; |
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55 } |
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56 |
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57 // --------------------------------------------------------------------------- |
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58 // CESMRImapMailFetcherCmd::~CESMRImapMailFetcherCmd |
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59 // --------------------------------------------------------------------------- |
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60 // |
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61 CESMRImapMailFetcherCmd::~CESMRImapMailFetcherCmd() |
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62 { |
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63 FUNC_LOG; |
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64 CancelCommand(); |
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65 } |
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66 |
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67 // --------------------------------------------------------------------------- |
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68 // CESMRImapMailFetcherCmd::NewL |
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69 // --------------------------------------------------------------------------- |
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70 // |
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71 CESMRImapMailFetcherCmd* CESMRImapMailFetcherCmd::NewL( |
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72 CFSMailClient& aMailClient, |
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73 CCalSession& aCalSession ) |
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74 { |
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75 FUNC_LOG; |
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76 |
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77 CESMRImapMailFetcherCmd* self = |
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78 new (ELeave) CESMRImapMailFetcherCmd( aMailClient, aCalSession ); |
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79 CleanupStack::PushL(self); |
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80 self->ConstructL(); |
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81 CleanupStack::Pop(self); |
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82 |
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83 |
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84 return self; |
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85 } |
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86 |
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87 // --------------------------------------------------------------------------- |
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88 // CESMRImapMailFetcherCmd::ConstructL |
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89 // --------------------------------------------------------------------------- |
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90 // |
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91 void CESMRImapMailFetcherCmd::ConstructL() |
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92 { |
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93 FUNC_LOG; |
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94 //do nothing |
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95 } |
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96 |
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97 // --------------------------------------------------------------------------- |
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98 // CESMRImapMailFetcherCmd::FetchMailL |
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99 // --------------------------------------------------------------------------- |
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100 // |
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101 void CESMRImapMailFetcherCmd::ExecuteAsyncCommandL() |
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102 { |
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103 FUNC_LOG; |
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104 |
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105 iResult.iMessage = Message(); |
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106 iResult.iOpType = OperationType(); |
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107 iResult.iResultCode = KErrNone; |
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108 |
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109 iMailMessage = Message(); |
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110 iResult.iMessage = iMailMessage; |
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111 TBool operationStarted( ETrue ); |
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112 |
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113 TFSPartFetchState messageLoadState( iMailMessage->FetchLoadState() ); |
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114 if ( EFSEmailStructureUnknown == messageLoadState ) |
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115 { |
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116 // Message structure needs to be fetched first |
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117 // After structure is fetched, then message parts can be fetched |
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118 // When structure fetching is completed, part fetching is triggered |
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119 // automatically |
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120 FetchMessageStructureL(); |
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121 } |
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122 else |
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123 { |
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124 // Message structure is already known --> Part can be fetched |
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125 // Wait operation is started if part needs to fetched. |
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126 operationStarted = FetchMessageContentsL(); |
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127 } |
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128 |
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129 if ( !operationStarted ) |
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130 { |
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131 NotifyCompletion(); |
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132 } |
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133 |
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134 } |
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135 |
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136 // --------------------------------------------------------------------------- |
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137 // CESMRImapMailFetcherCmd::CancelAsyncCommand |
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138 // --------------------------------------------------------------------------- |
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139 // |
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140 void CESMRImapMailFetcherCmd::CancelAsyncCommand() |
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141 { |
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142 FUNC_LOG; |
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143 |
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144 if ( EIdle != iState ) |
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145 { |
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146 TRAP_IGNORE( iMailClient.CancelAllL() ); |
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147 |
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148 iResult.iResultCode = KErrCancel; |
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149 Observer()->OperationError( iResult ); |
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150 } |
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151 |
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152 } |
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153 |
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154 // --------------------------------------------------------------------------- |
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155 // CESMRImapMailFetcherCmd::RequestResponseL |
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156 // --------------------------------------------------------------------------- |
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157 // |
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158 void CESMRImapMailFetcherCmd::RequestResponseL( |
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159 TFSProgress aEvent, |
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160 TInt aRequestId ) |
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161 { |
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162 FUNC_LOG; |
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163 TRAPD( err, HandleRequestResponseL(aEvent, aRequestId) ); |
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164 |
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165 if ( KErrNone != err ) |
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166 { |
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167 // Error occured --> Cancel operations |
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168 iResult.iResultCode = err; |
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169 NotifyCompletion(); |
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170 } |
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171 } |
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172 |
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173 // ----------------------------------------------------------------------------- |
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174 // CESMRImapMailFetcherCmd::FetchMessageStructureL |
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175 // ----------------------------------------------------------------------------- |
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176 // |
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177 void CESMRImapMailFetcherCmd::FetchMessageStructureL() |
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178 { |
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179 FUNC_LOG; |
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180 |
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181 TFSMailMsgId currentMailboxId = |
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182 iMailMessage->GetMailBoxId(); |
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183 |
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184 TFSMailMsgId currentMessageFolderId = |
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185 iMailMessage->GetFolderId(); |
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186 |
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187 CFSMailFolder* currentFolder = |
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188 iMailClient.GetFolderByUidL( |
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189 currentMailboxId, |
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190 currentMessageFolderId ); |
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191 |
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192 CleanupStack::PushL( currentFolder ); |
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193 |
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194 iState = EFetchingStructure; |
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195 RArray<TFSMailMsgId> messageIds; |
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196 CleanupClosePushL( messageIds ); |
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197 messageIds.Append( iMailMessage->GetMessageId() ); |
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198 iStructureRequestId = |
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199 currentFolder->FetchMessagesL( |
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200 messageIds, |
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201 EFSMsgDataStructure, |
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202 *this ); |
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203 |
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204 CleanupStack::PopAndDestroy();//messageIds |
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205 CleanupStack::PopAndDestroy( currentFolder ); |
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206 |
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207 } |
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208 |
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209 // ----------------------------------------------------------------------------- |
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210 // CESMRImapMailFetcherCmd::FetchMessageContentsL |
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211 // ----------------------------------------------------------------------------- |
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212 // |
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213 TBool CESMRImapMailFetcherCmd::FetchMessageContentsL() |
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214 { |
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215 FUNC_LOG; |
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216 TBool operationStarted( EFalse ); |
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217 |
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218 CFSMailMessagePart* calendarPart = ESMRIcalViewerUtils::LocateCalendarPartL( *iMailMessage ); |
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219 if ( !calendarPart ) |
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220 { |
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221 // message does not contain calendar part at all |
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222 iResult.iResultCode = KErrNotFound; |
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223 return operationStarted; |
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224 } |
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225 CleanupStack::PushL( calendarPart ); |
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226 |
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227 TFSPartFetchState partLoadState( calendarPart->FetchLoadState() ); |
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228 if ( EFSFull != partLoadState ) |
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229 { |
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230 // part is not fetched to device |
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231 iMessagePartRequestId = |
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232 calendarPart->FetchMessagePartL( |
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233 calendarPart->GetPartId(), |
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234 *this, |
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235 KPreferredByteCount ); |
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236 |
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237 iState = EFetchingContents; |
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238 operationStarted = ETrue; |
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239 } |
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240 |
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241 CleanupStack::PopAndDestroy( calendarPart ); |
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242 calendarPart = NULL; |
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243 return operationStarted; |
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244 } |
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245 |
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246 // ----------------------------------------------------------------------------- |
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247 // CESMRImapMailFetcherCmd::FetchMessageContentsL |
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248 // ----------------------------------------------------------------------------- |
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249 // |
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250 void CESMRImapMailFetcherCmd::HandleRequestResponseL( |
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251 TFSProgress aEvent, |
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252 TInt /*aRequestId*/ ) |
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253 { |
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254 FUNC_LOG; |
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255 |
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256 TBool operationStarted( EFalse ); |
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257 |
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258 if ( /*aRequestId == iStructureRequestId && */ |
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259 EFetchingStructure == iState ) |
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260 { |
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261 // Fetching message structure |
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262 switch ( aEvent.iProgressStatus ) |
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263 { |
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264 case TFSProgress::EFSStatus_RequestComplete: |
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265 { |
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266 // Starting part fetching |
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267 operationStarted = FetchMessageContentsL(); |
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268 iResult.iResultCode = aEvent.iError; |
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269 } |
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270 break; |
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271 case TFSProgress::EFSStatus_RequestCancelled: |
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272 { |
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273 // Error occured during fetch operation |
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274 iResult.iResultCode = KErrCancel; |
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275 } |
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276 break; |
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277 default: |
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278 break; |
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279 } |
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280 } |
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281 |
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282 if ( !operationStarted ) |
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283 { |
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284 NotifyCompletion(); |
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285 } |
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286 |
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287 } |
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288 |
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289 // ----------------------------------------------------------------------------- |
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290 // CESMRImapMailFetcherCmd::NotifyCompletion |
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291 // ----------------------------------------------------------------------------- |
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292 // |
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293 void CESMRImapMailFetcherCmd::NotifyCompletion() |
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294 { |
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295 FUNC_LOG; |
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296 if ( KErrNone == iResult.iResultCode ) |
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297 { |
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298 Observer()->OperationCompleted( iResult ); |
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299 } |
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300 else |
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301 { |
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302 Observer()->OperationError( iResult ); |
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303 } |
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304 } |
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305 |
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306 // EOF |
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307 |