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Diffstat (limited to 'kmail/interfaces/bodyparturlhandler.h')
-rw-r--r-- | kmail/interfaces/bodyparturlhandler.h | 105 |
1 files changed, 105 insertions, 0 deletions
diff --git a/kmail/interfaces/bodyparturlhandler.h b/kmail/interfaces/bodyparturlhandler.h new file mode 100644 index 000000000..1fd8b16d9 --- /dev/null +++ b/kmail/interfaces/bodyparturlhandler.h @@ -0,0 +1,105 @@ +/* -*- c++ -*- + interfaces/bodyparturlhandler.h + + This file is part of KMail's plugin interface. + Copyright (c) 2003, 2004 Marc Mutz <mutz@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_INTERFACE_BODYPARTURLHANDLER_H__ +#define __KMAIL_INTERFACE_BODYPARTURLHANDLER_H__ + +class QString; +class QPoint; + +namespace KMail { + class Callback; + + namespace Interface { + + class BodyPart; + + /** + * @short An interface to body part reader link handlers + * @author Marc Mutz <mutz@kde.org> + * + * This interface is a condensed of variant of the more general + * @see URLHandler interface, designed to make bodypart-dependent + * link operations possible without exposing KMail-internal + * classes. + * + * Implementation-wise, these handlers are called as a nested + * Chain Of Responsibilty by an internal implementation of + * URLHandler. + * + * You can create a link whose handling is passed to this handler + * by using BodyPart::makeLink( const QString & path ). \a path is + * what * is passed back to the methods of this interface. + * + * Note that the BodyPart interface does not provide a means of + * learning the content type of the body part passed. This is + * intentional. It is expected that either separate + * BodyPartURLHandlers are created for these purposes or else the + * information encoded into the path parameter by the + * BodyPartFormatter. + */ + class BodyPartURLHandler { + public: + virtual ~BodyPartURLHandler() {} + + /** Called when LMB-clicking on a link in the reader. Should + start processing equivalent to "opening" the link. + + @return true if the click was handled by this handler, false + otherwise. + */ + virtual bool handleClick( BodyPart * part, const QString & path, Callback& c ) const = 0; + + /** Called when RMB-clicking on a link in the reader. Should + show a context menu at the specified point with the + specified widget as parent. + + @return true if the right-click was handled by this handler, + false otherwise. + */ + virtual bool handleContextMenuRequest( BodyPart * part, const QString & path, const QPoint & p ) const = 0; + + /** Called when hovering over a link. + + @return a string to be shown in the status bar while + hovering over this link or QString::null if the link was not + handled by this handler. + */ + virtual QString statusBarMessage( BodyPart * part, const QString & path ) const = 0; + }; + + } // namespace Interface + +} // namespace KMail + +#endif // __KMAIL_INTERFACES_BODYPARTURLHANDLER_H__ + |