/*
  Copyright (C) 2004-2005 SKYRIX Software AG

  This file is part of OpenGroupware.org.

  OGo is free software; you can redistribute it and/or modify it under
  the terms of the GNU Lesser General Public License as published by the
  Free Software Foundation; either version 2, or (at your option) any
  later version.

  OGo 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 Lesser General Public
  License for more details.

  You should have received a copy of the GNU Lesser General Public
  License along with OGo; see the file COPYING.  If not, write to the
  Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
  02111-1307, USA.
*/

#ifndef __Mailer_UIxMailRenderingContext_H__
#define __Mailer_UIxMailRenderingContext_H__

#import <Foundation/NSObject.h>

/*
  UIxMailRenderingContext
  
  The rendering context is used to track nesting of mail part viewers.
*/

@class NSData, NSArray, NSDictionary;
@class WOContext, WOComponent;

@interface UIxMailRenderingContext : NSObject
{
  WOComponent  *viewer;       /* non-retained! */
  WOContext    *context;      /* non-retained! */
  NSDictionary *flatContents; /* IMAP4 name to NSData */

  WOComponent  *textViewer;
  WOComponent  *imageViewer;
  WOComponent  *linkViewer;
  WOComponent  *messageViewer;
  WOComponent  *iCalViewer;
  WOComponent  *htmlViewer;
}

- (id)initWithViewer:(WOComponent *)_viewer context:(WOContext *)_ctx;

/* state */

- (void)reset;

/* fetching */

- (NSDictionary *)flatContents;
- (NSData *)flatContentForPartPath:(NSArray *)_partPath;

/* viewer components */

- (WOComponent *)viewerForBodyInfo:(id)_info;

@end


#include <NGObjWeb/WOContext.h>

@interface WOContext(UIxMailPart)

- (void)pushMailRenderingContext:(UIxMailRenderingContext *)_mctx;
- (UIxMailRenderingContext *)popMailRenderingContext;
- (UIxMailRenderingContext *)mailRenderingContext;

@end

#endif /* __Mailer_UIxMailRenderingContext_H__ */