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/* -*- mode: C++; c-file-style: "gnu" -*-
bodypart.h
This file is part of KMail's plugin interface.
Copyright (c) 2004 Marc Mutz <mutz@kde.org>,
Ingo Kloecker <kloecker@kde.org>
KMail is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
KMail is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
In addition, as a special exception, the copyright holders give
permission to link the code of this program with any edition of
the Qt library by Trolltech AS, Norway (or with modified versions
of Qt that use the same license as Qt), and distribute linked
combinations including the two. You must obey the GNU General
Public License in all respects for all of the code used other than
Qt. If you modify this file, you may extend this exception to
your version of the file, but you are not obligated to do so. If
you do not wish to do so, delete this exception statement from
your version.
*/
#ifndef __KMAIL_INTERFACES_BODYPART_H__
#define __KMAIL_INTERFACES_BODYPART_H__
template <typename T> class QMemArray;
typedef QMemArray<char> QByteArray;
class QString;
namespace KMail {
namespace Interface {
class Observer;
class Observable;
/**
@short interface of classes that implement status for BodyPartFormatters.
*/
class BodyPartMemento {
public:
virtual ~BodyPartMemento() {}
/** If your BodyPartMemento implementation also implements the
KMail::Observer interface, simply implement these as
<code>return this;</code>, else as <code>return
0;</code>. This is needed to avoid forcing a dependency of
plugins on internal KMail classes.
*/
virtual Observer * asObserver() = 0;
/** If your BodyPartMemento implementation also implements the
KMail::Observable interface, simply implement these as
<code>return this;</code>, else as <code>return
0;</code>. This is needed to avoid forcing a dependency of
plugins on internal KMail classes.
*/
virtual Observable * asObservable() = 0;
};
/**
@short interface of message body parts.
*/
class BodyPart {
public:
virtual ~BodyPart() {}
/**
@return a string respresentation of an URL that can be used
to invoke a BodyPartURLHandler for this body part.
*/
virtual QString makeLink( const QString & path ) const = 0;
/**
@return the decoded (CTE, canonicalisation, and charset
encoding undone) text contained in the body part, or
QString::null, it the body part is not of type "text".
*/
virtual QString asText() const = 0;
/**
@return the decoded (CTE undone) content of the body part, or
a null array if this body part instance is of type text.
*/
virtual QByteArray asBinary() const = 0;
/**
@return the value of the content-type header field parameter
with name \a parameter, or QString::null, if that that
parameter is not present in the body's content-type header
field. RFC 2231 encoding is removed first.
Note that this method will suppress queries to certain
standard parameters (most notably "charset") to keep plugins
decent.
Note2 that this method preserves the case of the parameter
value returned. So, if the parameter you want to use defines
the value to be case-insensitive (such as the smime-type
parameter), you need to make sure you do the casemap yourself
before comparing to a reference value.
*/
virtual QString contentTypeParameter( const char * parameter ) const = 0;
/**
@return the content of the content-description header field,
or QString::null if that header is not present in this body
part. RFC 2047 encoding is decoded first.
*/
virtual QString contentDescription() const = 0;
//virtual int contentDisposition() const = 0;
/**
@return the value of the content-disposition header field
parameter with name \a parameter, or QString::null if that
parameter is not present in the body's content-disposition
header field. RFC 2231 encoding is removed first.
The notes made for contentTypeParameter() above apply here as
well.
*/
virtual QString contentDispositionParameter( const char * parameter ) const = 0;
/**
@return whether this part already has it's complete body
fetched e.g. from an IMAP server.
*/
virtual bool hasCompleteBody() const = 0;
/**
@return the BodyPartMemento set for this part, or null, if
none is set.
*/
virtual BodyPartMemento * memento() const = 0;
/**
@return register an implementation of the BodyPartMemento
interface as a status object with this part.
*/
virtual void setBodyPartMemento( BodyPartMemento * ) = 0;
enum Display { None, AsIcon, Inline };
/**
@return whether this body part should be displayed iconic or inline
*/
virtual Display defaultDisplay() const = 0;
};
} // namespace Interface
} // namespace KMail
#endif // __KMAIL_INTERFACES_BODYPART_H__
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