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tdepim/kmail/bodyvisitor.cpp

212 lines
6.2 KiB

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include "bodyvisitor.h"
#include "kmmsgpart.h"
#include "attachmentstrategy.h"
#include <kdebug.h>
namespace KMail {
BodyVisitor* BodyVisitorFactory::getVisitor( const AttachmentStrategy* strategy )
{
if (strategy == AttachmentStrategy::smart())
{
return new BodyVisitorSmart();
} else if (strategy == AttachmentStrategy::iconic())
{
return new BodyVisitorHidden();
} else if (strategy == AttachmentStrategy::inlined())
{
return new BodyVisitorInline();
} else if (strategy == AttachmentStrategy::hidden())
{
return new BodyVisitorHidden();
}
// default
return new BodyVisitorSmart();
}
//=============================================================================
BodyVisitor::BodyVisitor()
{
// parts that are probably always ok to load
mBasicList.clear();
// body text
mBasicList += "TEXT/PLAIN";
mBasicList += "TEXT/HTML";
mBasicList += "MESSAGE/DELIVERY-STATUS";
// pgp stuff
mBasicList += "APPLICATION/PGP-SIGNATURE";
mBasicList += "APPLICATION/PGP";
mBasicList += "APPLICATION/PGP-ENCRYPTED";
mBasicList += "APPLICATION/PKCS7-SIGNATURE";
// groupware
mBasicList += "APPLICATION/MS-TNEF";
mBasicList += "TEXT/CALENDAR";
mBasicList += "TEXT/X-VCARD";
}
//-----------------------------------------------------------------------------
BodyVisitor::~BodyVisitor()
{
}
//-----------------------------------------------------------------------------
void BodyVisitor::visit( KMMessagePart * part )
{
mParts.append( part );
}
//-----------------------------------------------------------------------------
void BodyVisitor::visit( TQPtrList<KMMessagePart> & list )
{
mParts = list;
}
//-----------------------------------------------------------------------------
TQPtrList<KMMessagePart> BodyVisitor::partsToLoad()
{
TQPtrListIterator<KMMessagePart> it( mParts );
TQPtrList<KMMessagePart> selected;
KMMessagePart *part = 0;
bool headerCheck = false;
while ( (part = it.current()) != 0 )
{
++it;
// skip this part if the parent part is already loading
if ( part->parent() &&
selected.tqcontains( part->parent() ) &&
part->loadPart() )
continue;
if ( part->originalContentTypeStr().tqcontains("SIGNED") )
{
// signed messages have to be loaded completely
// so construct a new dummy part that loads the body
KMMessagePart *fake = new KMMessagePart();
fake->setPartSpecifier( "TEXT" );
fake->setOriginalContentTypeStr("");
fake->setLoadPart( true );
selected.append( fake );
break;
}
if ( headerCheck && !part->partSpecifier().endsWith(".HEADER") )
{
// this is an embedded simple message (not multipart) so we get no header part
// from imap. As we probably need to load the header (e.g. in smart or inline mode)
// we add a fake part that is not included in the message itself
KMMessagePart *fake = new KMMessagePart();
TQString partId = part->partSpecifier().section( '.', 0, -2 )+".HEADER";
fake->setPartSpecifier( partId );
fake->setOriginalContentTypeStr("");
fake->setLoadPart( true );
if ( addPartToList( fake ) )
selected.append( fake );
}
if ( part->originalContentTypeStr() == "MESSAGE/RFC822" )
headerCheck = true;
else
headerCheck = false;
// check whether to load this part or not:
// look at the basic list, ask the subclass and check the parent
if ( mBasicList.tqcontains( part->originalContentTypeStr() ) ||
parentNeedsLoading( part ) ||
addPartToList( part ) )
{
if ( part->typeStr() != "MULTIPART" ||
part->partSpecifier().endsWith(".HEADER") )
{
// load the part itself
part->setLoadPart( true );
}
}
if ( !part->partSpecifier().endsWith(".HEADER") &&
part->typeStr() != "MULTIPART" )
part->setLoadHeaders( true ); // load MIME header
if ( part->loadHeaders() || part->loadPart() )
selected.append( part );
}
return selected;
}
//-----------------------------------------------------------------------------
bool BodyVisitor::parentNeedsLoading( KMMessagePart *msgPart )
{
KMMessagePart *part = msgPart;
while ( part )
{
if ( part->parent() &&
( part->parent()->originalContentTypeStr() == "MULTIPART/SIGNED" ||
( msgPart->originalContentTypeStr() == "APPLICATION/OCTET-STREAM" &&
part->parent()->originalContentTypeStr() == "MULTIPART/ENCRYPTED" ) ) )
return true;
part = part->parent();
}
return false;
}
//=============================================================================
BodyVisitorSmart::BodyVisitorSmart()
: BodyVisitor()
{
}
//-----------------------------------------------------------------------------
bool BodyVisitorSmart::addPartToList( KMMessagePart * part )
{
// header of an encapsulated message
if ( part->partSpecifier().endsWith(".HEADER") )
return true;
return false;
}
//=============================================================================
BodyVisitorInline::BodyVisitorInline()
: BodyVisitor()
{
}
//-----------------------------------------------------------------------------
bool BodyVisitorInline::addPartToList( KMMessagePart * part )
{
// header of an encapsulated message
if ( part->partSpecifier().endsWith(".HEADER") )
return true;
else if ( part->typeStr() == "IMAGE" ) // images
return true;
else if ( part->typeStr() == "TEXT" ) // text, diff and stuff
return true;
return false;
}
//=============================================================================
BodyVisitorHidden::BodyVisitorHidden()
: BodyVisitor()
{
}
//-----------------------------------------------------------------------------
bool BodyVisitorHidden::addPartToList( KMMessagePart * part )
{
// header of an encapsulated message
if ( part->partSpecifier().endsWith(".HEADER") )
return true;
return false;
}
}