| author | Fionntina Carville <fionntinac@symbian.org> |
| Mon, 15 Nov 2010 11:34:55 +0000 | |
| branch | RCL_3 |
| changeset 82 | e841c3c9d96d |
| parent 0 | 72b543305e3a |
| permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2002-2004 Nokia Corporation and/or its subsidiary(-ies). |
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* All rights reserved. |
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* This component and the accompanying materials are made available |
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* under the terms of "Eclipse Public License v1.0" |
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* which accompanies this distribution, and is available |
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* at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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* |
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* Initial Contributors: |
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* Nokia Corporation - initial contribution. |
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* |
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* Contributors: |
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* |
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* Description: Loads html content |
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* |
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*/ |
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// INCLUDE FILES |
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#include "MailLog.h" |
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#include "MailUtils.h" |
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#include "MailLoadStateHtml.h" |
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#include "MailLoadStateInline.h" |
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#include "MailLoadStateMachine.h" |
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#include "MsgMailViewerHtmlConv.h" |
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#include <MailPlainView.rsg> |
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#include <MMailAppUiInterface.h> |
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#include <CMailMessage.h> |
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#include <StringLoader.h> |
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#include <charconv.h> |
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_LIT8( KStartTag, "<html>" ); |
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_LIT8( KHtmlHeader1, "<meta http-equiv=\"Content-Type\" content=\"text/html; charset="); |
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_LIT8( KHtmlHeader2, "\">\n"); |
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_LIT8( KCharsetTag, "CHARSET" ); |
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_LIT16( KCDrive, "C:" ); |
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const TInt KPathNameLength( 100 ); |
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// ============================ MEMBER FUNCTIONS =============================== |
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// load html file |
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// ----------------------------------------------------------------------------- |
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// CLoadHtmlFile::MessageLoadingL |
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// ----------------------------------------------------------------------------- |
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// |
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void CLoadHtmlFile::MessageLoadingL(TInt aStatus, CMailMessage& aMessage) |
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{
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if( aStatus == CMailMessage::EBodyTextReady ) |
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{
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TRAPD( err, HandleBodyTextReadyL( aMessage ) ); |
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if( err ) |
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{
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// Complete request and leave if error occured |
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CompleteRequest( err ); |
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User::LeaveIfError( err ); |
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} |
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} |
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} |
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// ----------------------------------------------------------------------------- |
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// CLoadHtmlFile::CLoadHtmlFile |
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// ----------------------------------------------------------------------------- |
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// |
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CLoadHtmlFile::CLoadHtmlFile( |
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MMailAppUiInterface* aAppUI, MStateMachine& aStateMachine ) : |
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CActive( CActive::EPriorityStandard ) |
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{
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CActiveScheduler::Add( this ); |
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iAppUI = aAppUI; |
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iStateMachine = &aStateMachine; |
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} |
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// ----------------------------------------------------------------------------- |
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// CLoadHtmlFile::~CLoadHtmlFile |
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// ----------------------------------------------------------------------------- |
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// |
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CLoadHtmlFile::~CLoadHtmlFile() |
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{
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Cancel(); |
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delete iConverter; |
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} |
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// ----------------------------------------------------------------------------- |
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// CLoadHtmlFile::NextStateL |
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// ----------------------------------------------------------------------------- |
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// |
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MLoadState* CLoadHtmlFile::NextStateL() |
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{
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return new( ELeave ) CLoadInlineImages( |
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iAppUI, *iStateMachine ); |
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} |
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// ----------------------------------------------------------------------------- |
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// CLoadHtmlFile::MakeRequestL |
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// ----------------------------------------------------------------------------- |
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// |
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void CLoadHtmlFile::MakeRequestL( |
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TRequestStatus& aStatus, |
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CMailMessage& aMessage ) |
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102 |
{
|
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iLoadStatus = &aStatus; |
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iMessage = &aMessage; |
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aMessage.LoadHtmlContentL( *this ); |
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aStatus = KRequestPending; |
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} |
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108 |
|
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// ----------------------------------------------------------------------------- |
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// CLoadHtmlFile::HandleBodyTextReadyL |
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// ----------------------------------------------------------------------------- |
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112 |
// |
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void CLoadHtmlFile::HandleBodyTextReadyL( CMailMessage& aMessage ) |
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114 |
{
|
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RFile handle = aMessage.HtmlContent(); |
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CleanupClosePushL( handle ); |
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117 |
|
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if ( handle.SubSessionHandle() == 0 ) |
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119 |
{
|
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120 |
// if html content can not be found try to show plain text |
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121 |
// content |
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CRichText* bodyText = aMessage.MessageBody(); |
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// Partial loaded or corrupted message? |
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if ( aMessage.MessageEntry().PartialDownloaded() ) |
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125 |
{
|
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HBufC* text = StringLoader::LoadLC( |
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R_QTN_MAIL_REST_OF_MAIL_NOT_FETCHED, CCoeEnv::Static()); |
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128 |
|
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bodyText->InsertL(0, *text); |
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CleanupStack::PopAndDestroy(); // text |
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131 |
} |
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else // Corrupted? |
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133 |
{
|
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134 |
MailUtils::InformationNoteL( |
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R_MAIL_VIEWER_HTML_ERROR_DLG_TEXT ); |
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136 |
} |
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iAppUI->SetBodyTextL(*aMessage.MessageBody()); |
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138 |
CompleteRequest( KErrNone ); |
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139 |
} |
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140 |
else |
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141 |
{
|
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142 |
// Add html content as attachment before conversion. |
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if ( !aMessage.MessageEntry().PartialDownloaded() ) |
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144 |
{
|
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145 |
AddHtmlFileAttachmentAndCharsetL( aMessage, handle ); |
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146 |
} |
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147 |
ParseHtmlFileL( aMessage, handle ); |
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148 |
} |
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CleanupStack::PopAndDestroy(); // handle |
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150 |
} |
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151 |
|
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152 |
// ----------------------------------------------------------------------------- |
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153 |
// CLoadHtmlFile::ShowHtmlErrorNoteIfNeededL |
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154 |
// ----------------------------------------------------------------------------- |
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155 |
// |
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156 |
void CLoadHtmlFile::ShowHtmlErrorNoteIfNeededL( TInt aResult ) |
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157 |
{
|
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158 |
if ( aResult == KErrNotFound ) |
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159 |
{
|
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160 |
MailUtils::InformationNoteL( R_MAIL_VIEWER_HTML_ERROR_DLG_TEXT ); |
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161 |
} |
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162 |
else if ( aResult == KErrCorrupt ) |
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163 |
{
|
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164 |
MailUtils::InformationNoteL( R_MAIL_VIEWER_HTML_CORRUPTED_NOTE_TEXT ); |
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165 |
} |
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166 |
else if ( aResult == KErrEof ) |
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167 |
{
|
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// Successfully parsed. Do nothing. |
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169 |
} |
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170 |
else |
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|
171 |
{
|
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172 |
User::LeaveIfError( aResult ); |
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173 |
} |
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174 |
} |
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|
175 |
|
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176 |
// ----------------------------------------------------------------------------- |
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177 |
// CLoadHtmlFile::AddHtmlFileAttachmentL |
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178 |
// ----------------------------------------------------------------------------- |
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179 |
// |
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180 |
void CLoadHtmlFile::AddHtmlFileAttachmentL( |
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181 |
CMailMessage& aMessage, RFile aFile ) |
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182 |
{
|
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183 |
CMsvAttachment* htmlFileInfo = CMsvAttachment::NewL( |
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184 |
CMsvAttachment::EMsvFile ); |
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185 |
CleanupStack::PushL( htmlFileInfo ); |
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186 |
|
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187 |
TInt htmlSize(0); |
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188 |
aFile.Size( htmlSize ); |
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189 |
htmlFileInfo->SetSize( htmlSize ); |
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190 |
TFileName filename; |
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191 |
User::LeaveIfError( aFile.Name( filename ) ); |
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192 |
htmlFileInfo->SetAttachmentNameL( filename ); |
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193 |
htmlFileInfo->SetComplete( ETrue ); |
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194 |
htmlFileInfo->SetId( aMessage.MhtmlPartId() ); |
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195 |
|
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196 |
iAppUI->AddAttachmentL( *htmlFileInfo, EFalse ); |
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197 |
CleanupStack::PopAndDestroy( htmlFileInfo ); |
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198 |
} |
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|
199 |
|
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200 |
// ----------------------------------------------------------------------------- |
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201 |
// CLoadHtmlFile::ParseHtmlFileL |
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202 |
// ----------------------------------------------------------------------------- |
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203 |
// |
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204 |
void CLoadHtmlFile::ParseHtmlFileL(CMailMessage& aMessage, RFile aFile ) |
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{
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LOG( "CLoadHtmlFile::ParseHtmlFileL" ); |
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LOGHANDLESIZE( aFile ); |
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// Get the charset of the html part from the message. If the message |
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// thinks it knows the html charset then force the conversion of the html |
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// part using the specified character set decoding. |
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// |
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// Otherwise, if the html message part character set is unknown, then |
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// we'll let the conversion object try to identify the character set during |
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// the parsing process. |
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const TUint htmlCharSetId = aMessage.HtmlCharsetIdL(); |
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const TBool forceCharSet = ( htmlCharSetId != 0 ); |
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218 |
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delete iConverter; |
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iConverter = NULL; |
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iConverter = CMsgMailViewerHtmlConv::NewL( |
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aFile, |
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htmlCharSetId, |
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forceCharSet ); |
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225 |
|
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iConverter->Convert( &iStatus ); |
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SetActive(); |
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} |
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229 |
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// ----------------------------------------------------------------------------- |
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// CLoadHtmlFile::RunL |
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// ----------------------------------------------------------------------------- |
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// |
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void CLoadHtmlFile::RunL() |
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{
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LOG( "CLoadHtmlFile::RunL" ); |
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ShowHtmlErrorNoteIfNeededL( iStatus.Int() ); |
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238 |
|
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CRichText* bodyText = iMessage->MessageBody(); |
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bodyText->Reset(); |
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bodyText->InsertL(0, *(iConverter->GetText())); |
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242 |
|
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// If the conversion process successfully identified the characterset |
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// of the html part, then update the message with this new charset |
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// decoding value. |
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if ( iConverter->AutoParsedCharSetNameAndIdentifier() ) |
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{
|
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const TUint autoParsedCharSetId = iConverter->AutoParsedCharSetIdentifier(); |
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iMessage->OverrideHtmlMessageCharset( autoParsedCharSetId ); |
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} |
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251 |
|
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iStateMachine->SetIdArray( iConverter->FileIdArray() ); |
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253 |
|
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if ( iMessage->MessageEntry().PartialDownloaded() ) |
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{
|
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HBufC* text = StringLoader::LoadLC( |
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R_QTN_MAIL_REST_OF_MAIL_NOT_FETCHED, CCoeEnv::Static()); |
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258 |
|
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bodyText->InsertL(bodyText->DocumentLength(), CEditableText::ELineBreak); |
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260 |
|
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bodyText->InsertL(bodyText->DocumentLength(), *text); |
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262 |
|
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CleanupStack::PopAndDestroy(); // text |
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} |
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265 |
|
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iAppUI->SetBodyTextL( *(iMessage->MessageBody()) ); |
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267 |
|
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// All done |
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CompleteRequest( KErrNone ); |
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} |
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271 |
|
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// ----------------------------------------------------------------------------- |
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// CLoadHtmlFile::RunError |
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// ----------------------------------------------------------------------------- |
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// |
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TInt CLoadHtmlFile::RunError( TInt aError ) |
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{
|
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LOG( "CLoadHtmlFile::DoCancel" ); |
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CompleteRequest( aError ); |
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return KErrNone; |
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} |
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282 |
|
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// ----------------------------------------------------------------------------- |
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// CLoadHtmlFile::DoCancel |
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// ----------------------------------------------------------------------------- |
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// |
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void CLoadHtmlFile::DoCancel() |
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{
|
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LOG( "CLoadHtmlFile::DoCancel" ); |
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290 |
|
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if( iConverter ) |
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{
|
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iConverter->Cancel(); |
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} |
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} |
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296 |
|
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// ----------------------------------------------------------------------------- |
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// CLoadHtmlFile::CompleteRequest |
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// ----------------------------------------------------------------------------- |
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// |
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void CLoadHtmlFile::CompleteRequest( TInt aError ) |
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{
|
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LOG( "CLoadHtmlFile::CompleteRequest" ); |
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User::RequestComplete( iLoadStatus, aError ); |
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iAppUI->ViewMessageComplete(); |
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} |
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307 |
|
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308 |
// ----------------------------------------------------------------------------- |
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309 |
// CLoadHtmlFile::AddCharsetToHtmlAttachment |
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310 |
// ----------------------------------------------------------------------------- |
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311 |
// |
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312 |
void CLoadHtmlFile::AddHtmlFileAttachmentAndCharsetL( CMailMessage& aMessage, RFile& aHandle ) |
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313 |
{
|
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314 |
// We have to check if the html body contains information about |
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315 |
// charset used. If it does, we use original file. Otherwise |
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316 |
// we create a new html file which has charset |
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317 |
// information added |
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318 |
|
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319 |
// Get charset Id and handle for the html body content |
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320 |
TUint htmlCharsetId = aMessage.HtmlCharsetIdL(); |
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|
321 |
|
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322 |
// Convert charset Id into string |
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323 |
RFs& fs = CCoeEnv::Static()->FsSession(); |
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324 |
CCnvCharacterSetConverter* charConv = CCnvCharacterSetConverter::NewLC(); |
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325 |
HBufC8* charsetBuf = charConv-> |
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|
326 |
ConvertCharacterSetIdentifierToStandardNameL( |
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327 |
htmlCharsetId, fs); |
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CleanupStack::PopAndDestroy( charConv ); // charConv |
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329 |
CleanupStack::PushL( charsetBuf ); |
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TPtr8 charsetPtr = charsetBuf->Des(); |
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|
331 |
|
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332 |
// Calculate buffer size for charsetRowBuf and also for |
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333 |
// htmlContentBuf to avoid reallocation of memory |
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334 |
TInt bufferSize( 0 ); |
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335 |
bufferSize += KHtmlHeader1().Length(); |
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336 |
bufferSize += charsetBuf->Length(); |
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337 |
bufferSize += KHtmlHeader2().Length(); |
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|
338 |
|
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339 |
// Read html content from the html file |
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340 |
TInt fileSize(0); |
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341 |
aHandle.Size( fileSize ); |
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342 |
HBufC8* htmlContentBuf = HBufC8::NewLC( fileSize+bufferSize ); |
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343 |
TPtr8 htmlContentPtr = htmlContentBuf->Des(); |
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344 |
aHandle.Read( htmlContentPtr ); |
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345 |
TInt i( 0 ); |
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aHandle.Seek( ESeekStart, i ); // rewind the file |
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|
347 |
|
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348 |
// Try to find strings CHARSET and <html> |
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|
349 |
// If the string is not found append information containing charset |
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350 |
TInt charsetFoundAt( htmlContentBuf->Find( KCharsetTag ) ); |
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|
351 |
TInt htmlTagFoundAt( htmlContentBuf->Find( KStartTag ) ); |
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|
352 |
|
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|
353 |
// If CHARSET is defined in the email but it is not found from the |
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354 |
// html body part, we have to add it ourselves. |
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355 |
// Else use the original html file |
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356 |
if( charsetFoundAt <= 0 |
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357 |
&& htmlTagFoundAt >= 0 ) |
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|
358 |
{
|
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|
359 |
// Create a new hmtl line containing character set information |
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360 |
// and append it. |
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361 |
// Create new buffer for storing charset html info row and |
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362 |
// insert it to the buffer containing html body |
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|
363 |
HBufC8* charsetRowBuf = HBufC8::NewLC( bufferSize ); |
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|
364 |
TPtr8 charsetRowPtr = charsetRowBuf->Des(); |
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|
365 |
charsetRowPtr.Append( KHtmlHeader1 ); |
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|
366 |
charsetRowPtr.Append( charsetPtr ); |
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|
367 |
charsetRowPtr.Append( KHtmlHeader2 ); |
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|
368 |
htmlContentPtr.Insert( htmlTagFoundAt, charsetRowPtr ); |
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|
369 |
CleanupStack::PopAndDestroy( charsetRowBuf ); |
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|
370 |
|
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|
371 |
// create mailviewer folder in c:\private |
|
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|
372 |
HBufC* pathNameBuf = HBufC::NewLC( KPathNameLength ); |
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|
373 |
TPtr pathNamePtr = pathNameBuf->Des(); |
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|
374 |
fs.PrivatePath( pathNamePtr ); |
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|
375 |
pathNamePtr.Insert( 0, KCDrive ); |
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|
376 |
|
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Revision: 200949
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|
377 |
TInt makeDir = fs.MkDir( pathNamePtr ); |
|
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Revision: 200949
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|
378 |
// Itīs ok if directory already exists. If other errors, |
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|
379 |
// use original html file |
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|
380 |
if( makeDir != KErrAlreadyExists && makeDir < 0 ) |
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|
381 |
{
|
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Revision: 200949
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|
382 |
AddHtmlFileAttachmentL( aMessage, aHandle ); |
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|
383 |
} |
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|
384 |
else // continue creating new html attachment |
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|
385 |
{
|
|
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Revision: 200949
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|
386 |
// create new html attachment |
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Revision: 200949
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|
387 |
RFile newHtmlFile; |
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Revision: 200949
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|
388 |
HBufC* newHtmlFileNameBuf = HBufC::NewLC( KPathNameLength ); |
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Revision: 200949
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|
389 |
TPtr newHtmlFileNamePtr = newHtmlFileNameBuf->Des(); |
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Revision: 200949
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|
390 |
aHandle.Name( newHtmlFileNamePtr ); |
|
72b543305e3a
Revision: 200949
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diff
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|
391 |
pathNamePtr.Append( newHtmlFileNamePtr ); |
|
72b543305e3a
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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diff
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|
392 |
CleanupStack::PopAndDestroy( newHtmlFileNameBuf ); |
|
72b543305e3a
Revision: 200949
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diff
changeset
|
393 |
|
|
72b543305e3a
Revision: 200949
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diff
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|
394 |
TInt openResult = newHtmlFile.Replace( fs, pathNamePtr, EFileWrite ); |
|
72b543305e3a
Revision: 200949
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diff
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|
395 |
CleanupClosePushL( newHtmlFile ); |
|
72b543305e3a
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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diff
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|
396 |
if( openResult >= KErrNone ) |
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72b543305e3a
Revision: 200949
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diff
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|
397 |
{
|
|
72b543305e3a
Revision: 200949
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diff
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|
398 |
TInt writeResult = newHtmlFile.Write( 0, htmlContentPtr ); |
|
72b543305e3a
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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diff
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|
399 |
if( writeResult >= KErrNone ) |
|
72b543305e3a
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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diff
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|
400 |
{
|
|
72b543305e3a
Revision: 200949
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diff
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|
401 |
AddHtmlFileAttachmentL( aMessage, newHtmlFile ); |
|
72b543305e3a
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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diff
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|
402 |
} |
|
72b543305e3a
Revision: 200949
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diff
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|
403 |
else // else use original html file |
|
72b543305e3a
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
404 |
{
|
|
72b543305e3a
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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diff
changeset
|
405 |
AddHtmlFileAttachmentL( aMessage, aHandle ); |
|
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} |
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} |
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CleanupStack::PopAndDestroy( &newHtmlFile ); |
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} |
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CleanupStack::PopAndDestroy( pathNameBuf ); |
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} |
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else // charset found, use original html file |
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{
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AddHtmlFileAttachmentL( aMessage, aHandle ); |
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} |
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CleanupStack::PopAndDestroy( 2, charsetBuf ); // htmlContentBuf |
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} |
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// End of File |