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Accessibility_StreamableContent.idl

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00001 /* 
00002  * AT-SPI - Assistive Technology Service Provider Interface 
00003  * (Gnome Accessibility Project; http://developer.gnome.org/projects/gap)
00004  *
00005  * Copyright 2001 Sun Microsystems, Inc.
00006  *
00007  * This library is free software; you can redistribute it and/or
00008  * modify it under the terms of the GNU Library General Public
00009  * License as published by the Free Software Foundation; either
00010  * version 2 of the License, or (at your option) any later version.
00011  *
00012  * This library is distributed in the hope that it will be useful,
00013  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00014  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00015  * Library General Public License for more details.
00016  *
00017  * You should have received a copy of the GNU Library General Public
00018  * License along with this library; if not, write to the
00019  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
00020  * Boston, MA 02111-1307, USA.
00021  */
00022 
00023 #include <Bonobo_Storage.idl>
00024 
00025 module Accessibility {
00026 
00027   typedef sequence<string> StringSeq;
00028 
00046   interface StreamableContent {
00047 
00054       enum SeekType {
00055           SEEK_SET, 
00056           SEEK_CURRENT, 
00057           SEEK_END 
00058       };
00059 
00064       exception IOError {
00065           string reason;
00066       };
00070       exception NotSupported {
00071           string reason;
00072       };
00073 
00079       exception NoPermission {
00080           string reason;
00081       };
00082 
00091       interface Stream {
00101           long seek (in long offset, in SeekType whence)
00102               raises (NoPermission, IOError, NotSupported);
00107           long read (in long count, out iobuf buffer)  
00108               raises (NoPermission, IOError);
00114           void close ();
00115       };
00116 
00121     StringSeq getContentTypes ();
00146     Bonobo::Stream getContent (in string contentType);
00147 
00162     Stream getStream (in string contentType);
00163 
00170     void unImplemented ();
00171     void unImplemented2 ();
00172     void unImplemented3 ();
00174   };
00175 };

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