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1 /* |
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2 * Copyright (c) 2002-2007 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: State machine -based operation for restoring sinle attachment. |
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15 * |
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16 */ |
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17 |
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18 |
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19 |
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20 // INCLUDE FILES |
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21 #include "cmsgmailrestoreattaop.h" |
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22 #include "MsgMailEditorDocument.h" |
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23 #include "MsgMailDRMHandler.h" |
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24 #include "MailUtils.h" |
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25 #include "MailLog.h" |
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26 #include <MsgEditorAppUi.rsg> // resource identifiers |
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27 #include <MsgMailEditor.rsg> |
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28 #include <mmsvattachmentmanager.h> |
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29 #include <MsgAttachmentModel.h> |
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30 #include <f32file.h> |
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31 #include <caf/caferr.h> |
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32 |
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33 //Content-Transfer-Encoding: types |
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34 _LIT8(KMimeApplicationOctet, " application/octet-stream"); |
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35 // ============================ MEMBER FUNCTIONS =============================== |
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36 |
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37 // ----------------------------------------------------------------------------- |
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38 // CMsgMailRestoreAttaOp::CMsgMailRestoreAttaOp |
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39 // C++ default constructor can NOT contain any code, that |
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40 // might leave. |
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41 // ----------------------------------------------------------------------------- |
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42 // |
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43 CMsgMailRestoreAttaOp::CMsgMailRestoreAttaOp( |
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44 TInt aIndex, |
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45 CMsgMailEditorDocument& aDocument ) |
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46 : CMsgMailBaseOp( aDocument ), |
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47 iIndex( aIndex ) |
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48 { |
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49 } |
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50 |
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51 // ----------------------------------------------------------------------------- |
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52 // CMsgMailRestoreAttaOp::ConstructL |
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53 // Symbian 2nd phase constructor can leave. |
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54 // ----------------------------------------------------------------------------- |
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55 // |
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56 void CMsgMailRestoreAttaOp::ConstructL() |
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57 { |
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58 LOG( "CMsgMailRestoreAttaOp::ConstructL, creating DRM handler..." ); |
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59 iDrmHandler = MsgMailDRMHandler::NewL(); |
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60 LOG( "CMsgMailRestoreAttaOp::ConstructL, getting atta mgr..." ); |
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61 iManager = &( iDocument.GetAttachmentManagerL() ); |
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62 LOG( "CMsgMailRestoreAttaOp::ConstructL, getting atta handle..." ); |
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63 LOG( "CMsgMailRestoreAttaOp::ConstructL, ...finished" ); |
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64 } |
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65 |
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66 // ----------------------------------------------------------------------------- |
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67 // CMsgMailRestoreAttaOp::NewL |
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68 // Two-phased constructor. |
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69 // ----------------------------------------------------------------------------- |
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70 // |
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71 CMsgMailRestoreAttaOp* CMsgMailRestoreAttaOp::NewL( |
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72 TInt aIndex, |
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73 CMsgMailEditorDocument& aDocument ) |
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74 { |
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75 CMsgMailRestoreAttaOp* self = |
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76 new( ELeave ) CMsgMailRestoreAttaOp( aIndex, aDocument ); |
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77 CleanupStack::PushL( self ); |
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78 self->ConstructL(); |
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79 |
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80 CleanupStack::Pop(self); |
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81 return self; |
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82 } |
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83 |
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84 // Destructor |
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85 CMsgMailRestoreAttaOp::~CMsgMailRestoreAttaOp() |
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86 { |
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87 LOG( "CMsgMailRestoreAttaOp::~CMsgMailRestoreAttaOp" ); |
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88 Cancel(); |
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89 delete iDrmHandler; |
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90 } |
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91 |
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92 // ----------------------------------------------------------------------------- |
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93 // CMsgMailRestoreAttaOp::HandleStateActionL |
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94 // ----------------------------------------------------------------------------- |
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95 // |
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96 void CMsgMailRestoreAttaOp::HandleStateActionL() |
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97 { |
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98 switch ( iState ) |
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99 { |
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100 case ECheckAttaMime: |
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101 { |
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102 CheckAttaMimeL(); |
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103 break; |
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104 } |
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105 case ECheckAttaDRM: |
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106 { |
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107 CheckAttaDRML(); |
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108 break; |
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109 } |
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110 case EFinalize: |
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111 { |
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112 Finalize(); |
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113 break; |
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114 } |
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115 default: |
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116 { |
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117 // should never come here |
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118 ASSERT( EFalse ); |
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119 break; |
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120 } |
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121 } |
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122 } |
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123 |
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124 // ----------------------------------------------------------------------------- |
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125 // CMsgMailRestoreAttaOp::SetNextState |
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126 // ----------------------------------------------------------------------------- |
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127 // |
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128 void CMsgMailRestoreAttaOp::SetNextState() |
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129 { |
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130 switch ( iState ) |
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131 { |
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132 case EIdleState: |
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133 { |
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134 iState = ECheckAttaMime; |
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135 break; |
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136 } |
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137 case ECheckAttaMime: |
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138 { |
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139 iState = ECheckAttaDRM; |
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140 break; |
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141 } |
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142 case ECheckAttaDRM: |
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143 { |
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144 iState = EFinalize; |
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145 break; |
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146 } |
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147 case EFinalize: |
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148 default: |
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149 { |
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150 iState = EIdleState; |
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151 break; |
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152 } |
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153 } |
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154 } |
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155 |
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156 // ----------------------------------------------------------------------------- |
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157 // CMsgMailRestoreAttaOp::HandleOperationCancel |
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158 // ----------------------------------------------------------------------------- |
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159 // |
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160 void CMsgMailRestoreAttaOp::HandleOperationCancel() |
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161 { |
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162 LOG( "CMsgMailRestoreAttaOp::HandleOperationCancel" ); |
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163 if ( iState == ECheckAttaMime ) |
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164 { |
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165 // cancel possibly ongoing ModifyAttachmentInfoL() request, doesn't do |
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166 // anything if request isn't outstanding |
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167 LOG( "HandleOperationCancel, cancel manager's request" ); |
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168 iManager->CancelRequest(); |
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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 // CMsgMailRestoreAttaOp::CheckAttaMimeL |
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174 // ----------------------------------------------------------------------------- |
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175 // |
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176 void CMsgMailRestoreAttaOp::CheckAttaMimeL() |
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177 { |
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178 CMsvAttachment* info = iManager->GetAttachmentInfoL( iIndex ); |
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179 CleanupStack::PushL( info ); |
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180 const TDesC8& infoMime = info->MimeType(); |
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181 |
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182 if ( infoMime.Length() == 0 || |
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183 !( KMimeApplicationOctet().FindF( infoMime ) == KErrNotFound ) ) |
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184 { |
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185 // mime type missing. try to resolve it |
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186 RFile atta = iManager->GetAttachmentFileL( iIndex ); |
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187 TDataType mime = iDocument.ResolveMimeType( atta ); |
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188 atta.Close(); |
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189 //Check if recognizing failed |
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190 if( mime.Des().Length() > 0 ) |
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191 { |
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192 info->SetMimeTypeL( mime.Des8() ); |
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193 // takes ownership of info |
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194 iManager->ModifyAttachmentInfoL( info, iStatus ); |
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195 SetActive(); // asynchronous request made -> set active |
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196 CleanupStack::Pop( info ); |
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197 } |
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198 } |
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199 |
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200 // if atta info isn't modified then we must complete this step manually, |
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201 // and also take care of deleting info |
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202 if ( !IsActive() ) |
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203 { |
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204 CompleteStateAction(); |
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205 CleanupStack::PopAndDestroy( info ); |
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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 // CMsgMailRestoreAttaOp::CheckAttaDRML |
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211 // ----------------------------------------------------------------------------- |
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212 // |
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213 void CMsgMailRestoreAttaOp::CheckAttaDRML() |
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214 { |
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215 CMsvAttachment* info = iManager->GetAttachmentInfoL( iIndex ); |
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216 CleanupStack::PushL( info ); |
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217 |
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218 RFile atta = iManager->GetAttachmentFileL( iIndex ); |
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219 CleanupClosePushL( atta ); |
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220 CMsgAttachmentInfo::TDRMDataType drmType = |
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221 iDrmHandler->GetDRMDataTypeL( atta ); |
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222 TBool isClosedFile( MailUtils::IsClosedFileL( atta ) ); |
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223 // atta |
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224 CleanupStack::PopAndDestroy(); // CSI: 12 # RFile |
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225 |
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226 if ( drmType == CMsgAttachmentInfo::EForwardLockedOrCombinedDelivery || |
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227 isClosedFile ) |
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228 { |
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229 // Context might be changed, so refresh manager reference |
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230 // This is some historical magic that could be made nicer |
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231 iManager = &( iDocument.GetAttachmentManagerL() ); |
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232 // Remove attachment |
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233 iManager->RemoveAttachmentL( info->Id(), iStatus ); |
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234 iIsFLAtta = ETrue; |
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235 SetActive(); // asynchronous request made -> set active |
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236 } |
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237 else |
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238 { |
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239 TDataType mime( info->MimeType() ); |
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240 iDocument.AttachmentModel().AddAttachmentL( info->AttachmentName(), |
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241 info->Size(), |
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242 info->Id(), |
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243 info->Complete(), |
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244 mime, |
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245 drmType ); |
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246 iIsFLAtta = EFalse; |
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247 CompleteStateAction(); // nothing async -> complete manually |
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248 } |
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249 CleanupStack::PopAndDestroy( info ); |
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250 } |
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251 |
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252 // ----------------------------------------------------------------------------- |
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253 // CMsgMailRestoreAttaOp::Finalize |
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254 // ----------------------------------------------------------------------------- |
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255 // |
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256 void CMsgMailRestoreAttaOp::Finalize() |
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257 { |
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258 if ( iIsFLAtta ) |
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259 { // complete the operation with error code indicating that attachment |
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260 // was removed due to DRM reasons |
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261 CompleteStateAction( KErrCANoPermission ); |
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262 } |
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263 else |
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264 { // no problem |
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265 CompleteStateAction(); |
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266 } |
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267 } |
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268 |
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269 // End Of File |