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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: |
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15 * |
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16 */ |
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17 |
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18 #include "cmrcmailremoteattachmentplugindownloader.h" |
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19 #include "mcalremoteattachmentoperationobserver.h" |
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20 #include "ccalremoteattachment.h" |
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21 #include "esmrhelper.h" |
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22 #include "cfsmailclient.h" |
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23 #include "cfsmailmessage.h" |
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24 |
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25 #include <coemain.h> |
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26 |
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27 #include "emailtrace.h" |
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28 |
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29 // Unnamed namespace for local definitions |
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30 namespace { // codescanner::namespace |
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31 |
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32 // Preferred byte count definition |
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33 const TInt KPreferredByteCount(0); |
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34 |
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35 // Percentage for progress calculation |
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36 const TInt KPercentage( 100 ); |
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37 |
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38 // Literal for temporary path |
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39 _LIT( KTempPath, "temp\\" ); |
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40 |
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41 } |
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42 |
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43 // ======== MEMBER FUNCTIONS ======== |
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44 |
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45 // --------------------------------------------------------------------------- |
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46 // CMRCmailRemoteAttachmentDownloader::CMRCmailRemoteAttachmentDownloader |
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47 // --------------------------------------------------------------------------- |
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48 // |
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49 CMRCmailRemoteAttachmentDownloader::CMRCmailRemoteAttachmentDownloader( |
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50 CFSMailClient& aMailClient, |
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51 MCalRemoteAttachmentOperationObserver& aObserver ) |
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52 : CActive( EPriorityStandard ), |
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53 iMailClient( aMailClient ), |
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54 iObserver( aObserver ) |
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55 { |
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56 CActiveScheduler::Add( this ); |
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57 FUNC_LOG; |
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58 } |
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59 |
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60 // --------------------------------------------------------------------------- |
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61 // CMRCmailRemoteAttachmentDownloader::CMRCmailRemoteAttachmentDownloader |
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62 // --------------------------------------------------------------------------- |
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63 // |
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64 CMRCmailRemoteAttachmentDownloader::~CMRCmailRemoteAttachmentDownloader() |
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65 { |
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66 FUNC_LOG; |
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67 |
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68 if( IsActive() ) |
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69 { |
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70 Cancel(); |
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71 } |
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72 else |
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73 { |
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74 DoCancel(); |
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75 } |
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76 delete iMailMessage; |
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77 delete iUri; |
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78 iAttachmentFile.Close(); |
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79 delete iRemoteAttachment; |
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80 } |
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81 |
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82 // --------------------------------------------------------------------------- |
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83 // CMRCmailRemoteAttachmentDownloader::CMRCmailRemoteAttachmentDownloader |
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84 // --------------------------------------------------------------------------- |
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85 // |
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86 CMRCmailRemoteAttachmentDownloader* |
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87 CMRCmailRemoteAttachmentDownloader::NewL( |
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88 CFSMailClient& aMailClient, |
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89 MCalRemoteAttachmentOperationObserver& aObserver, |
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90 const TDesC& aUri ) |
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91 { |
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92 FUNC_LOG; |
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93 CMRCmailRemoteAttachmentDownloader* self = |
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94 new (ELeave) CMRCmailRemoteAttachmentDownloader( |
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95 aMailClient, |
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96 aObserver ); |
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97 |
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98 CleanupStack::PushL( self ); |
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99 self->ConstructL( aUri ); |
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100 CleanupStack::Pop( self ); |
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101 return self; |
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102 } |
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103 |
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104 // --------------------------------------------------------------------------- |
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105 // CMRCmailRemoteAttachmentDownloader::CMRCmailRemoteAttachmentDownloader |
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106 // --------------------------------------------------------------------------- |
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107 // |
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108 void CMRCmailRemoteAttachmentDownloader::ConstructL( |
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109 const TDesC& aUri ) |
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110 { |
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111 FUNC_LOG; |
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112 iUri = aUri.AllocL(); |
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113 |
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114 TInt error = iMailIdParser.Parse( *iUri ); |
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115 User::LeaveIfError( error ); |
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116 |
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117 // Fetch message structure and construct attachment information |
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118 iMailMessage = iMailClient.GetMessageByUidL( |
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119 iMailIdParser.iMailboxUid, |
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120 iMailIdParser.iFolderUid, |
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121 iMailIdParser.iMessageUid, |
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122 EFSMsgDataStructure ); |
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123 |
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124 CFSMailMessagePart* attachment = |
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125 iMailMessage->ChildPartL( iMailIdParser.iMessagepartUid ); |
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126 CleanupStack::PushL( attachment ); |
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127 |
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128 TPtrC attachmentName( attachment->AttachmentNameL() ); |
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129 TInt attachmentSize( attachment->ContentSize() ); |
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130 |
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131 MCalRemoteAttachment::TCalRemoteAttachmentState attachmentState( |
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132 MCalRemoteAttachment::EAttachmentStateNotDownloaded ); |
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133 |
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134 if ( EFSFull == attachment->FetchLoadState() ) |
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135 { |
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136 attachmentState = MCalRemoteAttachment::EAttachmentStateDownloaded; |
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137 } |
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138 |
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139 iRemoteAttachment = CCalRemoteAttachment::NewL( |
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140 aUri, |
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141 attachmentName, |
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142 attachmentSize, |
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143 attachmentState ); |
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144 |
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145 CleanupStack::PopAndDestroy( attachment ); |
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146 |
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147 // Trigger asynchronous request |
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148 IssueRequest(); |
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149 } |
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150 |
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151 // --------------------------------------------------------------------------- |
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152 // CMRCmailRemoteAttachmentDownloader::DoCancel |
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153 // --------------------------------------------------------------------------- |
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154 // |
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155 void CMRCmailRemoteAttachmentDownloader::DoCancel() |
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156 { |
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157 FUNC_LOG; |
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158 |
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159 TRAP_IGNORE( DoCancelL() ); |
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160 } |
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161 |
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162 // --------------------------------------------------------------------------- |
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163 // CMRCmailRemoteAttachmentDownloader::RunL |
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164 // --------------------------------------------------------------------------- |
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165 // |
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166 void CMRCmailRemoteAttachmentDownloader::RunL() |
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167 { |
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168 FUNC_LOG; |
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169 |
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170 // We first check whether attachment is already downloaded to device or not |
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171 CFSMailMessagePart* attachment = |
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172 iMailMessage->ChildPartL( iMailIdParser.iMessagepartUid ); |
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173 CleanupStack::PushL( attachment ); |
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174 |
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175 if ( EFSFull == attachment->FetchLoadState() ) |
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176 { |
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177 // Attachment is fecthed to device --> Trigger completion |
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178 NotifyCompletionL( *attachment ); |
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179 } |
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180 else |
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181 { |
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182 // Attachment is not fetched --> Start fetching attachment |
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183 iFSMailOperationId = |
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184 attachment->FetchMessagePartL( |
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185 iMailIdParser.iMessagepartUid, |
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186 *this, |
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187 KPreferredByteCount ); |
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188 } |
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189 |
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190 CleanupStack::PopAndDestroy( attachment ); |
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191 } |
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192 |
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193 // --------------------------------------------------------------------------- |
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194 // CMRCmailRemoteAttachmentDownloader::RunError |
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195 // --------------------------------------------------------------------------- |
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196 // |
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197 TInt CMRCmailRemoteAttachmentDownloader::RunError( TInt aError ) |
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198 { |
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199 FUNC_LOG; |
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200 |
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201 NotifyError( aError ); |
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202 |
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203 return KErrNone; |
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204 } |
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205 |
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206 // --------------------------------------------------------------------------- |
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207 // CMRCmailRemoteAttachmentDownloader::CMRCmailRemoteAttachmentDownloader |
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208 // --------------------------------------------------------------------------- |
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209 // |
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210 TInt CMRCmailRemoteAttachmentDownloader::Progress() const |
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211 { |
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212 FUNC_LOG; |
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213 |
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214 TInt progress( 0 ); |
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215 TRAP_IGNORE( progress = ProgressL() ); |
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216 return progress; |
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217 } |
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218 |
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219 // --------------------------------------------------------------------------- |
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220 // CMRCmailRemoteAttachmentDownloader::CMRCmailRemoteAttachmentDownloader |
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221 // --------------------------------------------------------------------------- |
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222 // |
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223 const MCalRemoteAttachment& |
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224 CMRCmailRemoteAttachmentDownloader::AttachmentInformation() const |
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225 { |
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226 FUNC_LOG; |
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227 return *iRemoteAttachment; |
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228 } |
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229 |
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230 // --------------------------------------------------------------------------- |
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231 // CMRCmailRemoteAttachmentDownloader::CMRCmailRemoteAttachmentDownloader |
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232 // --------------------------------------------------------------------------- |
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233 // |
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234 void CMRCmailRemoteAttachmentDownloader::RequestResponseL( |
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235 TFSProgress aEvent, |
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236 TInt aRequestId ) |
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237 { |
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238 FUNC_LOG; |
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239 |
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240 // Make sure that correct notification is received from mail framework |
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241 ASSERT( aRequestId == iFSMailOperationId ); |
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242 |
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243 if ( aRequestId == iFSMailOperationId ) |
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244 { |
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245 // Fetching message structure |
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246 switch ( aEvent.iProgressStatus ) |
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247 { |
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248 case TFSProgress::EFSStatus_RequestComplete: |
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249 { |
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250 // Fetch attachment part and notify completion |
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251 CFSMailMessagePart* attachment = |
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252 iMailMessage->ChildPartL( iMailIdParser.iMessagepartUid ); |
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253 CleanupStack::PushL( attachment ); |
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254 |
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255 NotifyCompletionL( *attachment ); |
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256 |
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257 CleanupStack::PopAndDestroy( attachment ); |
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258 } |
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259 break; |
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260 |
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261 case TFSProgress::EFSStatus_Status: |
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262 { |
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263 // Notify progress about downloading |
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264 TInt progress = ( KPercentage * aEvent.iCounter ) / aEvent.iMaxCount; |
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265 iObserver.Progress( this, progress ); |
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266 } |
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267 break; |
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268 |
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269 case TFSProgress::EFSStatus_RequestCancelled: |
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270 { |
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271 // Error occured during fetch operation |
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272 NotifyError( KErrCancel ); |
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273 } |
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274 break; |
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275 default: |
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276 break; |
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277 } |
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278 } |
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279 } |
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280 |
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281 // --------------------------------------------------------------------------- |
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282 // CMRCmailRemoteAttachmentDownloader::CMRCmailRemoteAttachmentDownloader |
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283 // --------------------------------------------------------------------------- |
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284 // |
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285 void CMRCmailRemoteAttachmentDownloader::IssueRequest() |
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286 { |
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287 FUNC_LOG; |
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288 |
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289 SetActive(); |
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290 TRequestStatus* status = &iStatus; |
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291 User::RequestComplete( status, KErrNone ); |
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292 } |
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293 |
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294 // --------------------------------------------------------------------------- |
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295 // CMRCmailRemoteAttachmentDownloader::CMRCmailRemoteAttachmentDownloader |
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296 // --------------------------------------------------------------------------- |
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297 // |
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298 void CMRCmailRemoteAttachmentDownloader::NotifyCompletionL( |
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299 CFSMailMessagePart& aAttachment ) |
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300 { |
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301 FUNC_LOG; |
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302 |
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303 // Make sure that file server can share files between processes |
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304 RFs& fs = CCoeEnv::Static()->FsSession(); |
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305 fs.ShareProtected(); |
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306 |
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307 // Construct filename for attachment |
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308 TFileName fileName( KTempPath ); |
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309 fileName.Append( iRemoteAttachment->AttachmentLabel() ); |
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310 User::LeaveIfError( |
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311 ESMRHelper::CreateAndAppendOthersDirToFileName( fileName ) ); |
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312 |
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313 // Copy attachment from mail storage to file system |
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314 aAttachment.CopyContentFileL( fileName ); |
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315 |
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316 // Open file handle to attachment |
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317 User::LeaveIfError( iAttachmentFile.Open( |
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318 fs, |
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319 fileName, |
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320 EFileRead | EFileShareReadersOnly ) ); |
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321 |
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322 // Notify observer about completion |
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323 iRemoteAttachment->SetAttachmentState( |
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324 MCalRemoteAttachment::EAttachmentStateDownloaded ); |
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325 |
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326 iObserver.OperationCompleted( this, iAttachmentFile ); |
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327 } |
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328 |
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329 // --------------------------------------------------------------------------- |
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330 // CMRCmailRemoteAttachmentDownloader::NotifyError |
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331 // --------------------------------------------------------------------------- |
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332 // |
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333 void CMRCmailRemoteAttachmentDownloader::NotifyError( TInt aError ) |
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334 { |
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335 FUNC_LOG; |
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336 iObserver.OperationError( this, aError ); |
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337 } |
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338 |
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339 // --------------------------------------------------------------------------- |
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340 // CMRCmailRemoteAttachmentDownloader::ProgressL |
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341 // --------------------------------------------------------------------------- |
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342 // |
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343 TInt CMRCmailRemoteAttachmentDownloader::ProgressL() const |
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344 { |
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345 FUNC_LOG; |
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346 |
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347 TInt progress( 0 ); |
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348 |
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349 CFSMailMessagePart* attachment = |
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350 iMailMessage->ChildPartL( iMailIdParser.iMessagepartUid ); |
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351 CleanupStack::PushL( attachment ); |
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352 |
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353 TInt fetchedContent( attachment->FetchedContentSize() ); |
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354 TInt contentSize( attachment->ContentSize() ); |
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355 progress = ( KPercentage * fetchedContent ) / contentSize; |
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356 |
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357 CleanupStack::PopAndDestroy( attachment ); |
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358 |
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359 return progress; |
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360 } |
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361 |
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362 // --------------------------------------------------------------------------- |
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363 // CMRCmailRemoteAttachmentDownloader::DoCancelL |
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364 // --------------------------------------------------------------------------- |
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365 // |
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366 void CMRCmailRemoteAttachmentDownloader::DoCancelL() |
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367 { |
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368 FUNC_LOG; |
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369 |
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370 CFSMailMessagePart* attachment = |
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371 iMailMessage->ChildPartL( iMailIdParser.iMessagepartUid ); |
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372 CleanupStack::PushL( attachment ); |
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373 |
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374 if ( EFSFull != attachment->FetchLoadState() ) |
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375 { |
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376 iMailClient.CancelL( iFSMailOperationId ); |
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377 } |
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378 |
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379 CleanupStack::PopAndDestroy( attachment ); |
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380 } |
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381 |
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382 // EOF |