/* ATK - Accessibility Toolkit
* Copyright 2001 Sun Microsystems Inc .
*
* This library is free software ; you can redistribute it and / or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation ; either
* version 2 of the License , or ( at your option ) any later version .
*
* This library 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
* Library General Public License for more details .
*
* You should have received a copy of the GNU Library General Public
* License along with this library ; if not , write to the
* Free Software Foundation , Inc . , 59 Temple Place - Suite 330 ,
* Boston , MA 02111 - 1307 , USA .
*/
#ifndef __ATK_STREAMABLE_CONTENT_H__
#define __ATK_STREAMABLE_CONTENT_H__
#include <atk/atkobject.h>
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
#define ATK_TYPE_STREAMABLE_CONTENT (atk_streamable_content_get_type ())
#define ATK_IS_STREAMABLE_CONTENT(obj) G_TYPE_CHECK_INSTANCE_TYPE ((obj), ATK_TYPE_STREAMABLE_CONTENT)
#define ATK_STREAMABLE_CONTENT(obj) G_TYPE_CHECK_INSTANCE_CAST ((obj), ATK_TYPE_STREAMABLE_CONTENT, AtkStreamableContent)
#define ATK_STREAMABLE_CONTENT_GET_IFACE(obj) (G_TYPE_INSTANCE_GET_INTERFACE ((obj), ATK_TYPE_STREAMABLE_CONTENT, AtkStreamableContentIface))
#ifndef _TYPEDEF_ATK_STREAMABLE_CONTENT
#define _TYPEDEF_ATK_STREAMABLE_CONTENT
typedef struct _AtkStreamableContent AtkStreamableContent;
#endif
typedef struct _AtkStreamableContentIface AtkStreamableContentIface;
struct _AtkStreamableContentIface
{
GTypeInterface parent;
/*
* Get the number of mime types supported by this object
*/
gint (* get_n_mime_types) (AtkStreamableContent *streamable);
/*
* Gets the specified mime type supported by this object .
* The mime types are 0 - based so the first mime type is
* at index 0 , the second at index 1 and so on . The mime - type
* at index 0 should be considered the " default " data type for the stream .
*
* This assumes that the strings for the mime types are stored in the
* AtkStreamableContent . Alternatively the G_CONST_RETURN could be removed
* and the caller would be responsible for calling g_free ( ) on the
* returned value .
*/
G_CONST_RETURN gchar* (* get_mime_type) (AtkStreamableContent *streamable,
gint i);
/*
* One possible implementation for this method is that it constructs the
* content appropriate for the mime type and then creates a temporary
* file containing the content , opens the file and then calls
* g_io_channel_unix_new_fd ( ) .
*/
GIOChannel* (* get_stream) (AtkStreamableContent *streamable,
const gchar *mime_type);
/*
* Returns a string representing a URI in IETF standard format
* ( see http : //www.ietf.org/rfc/rfc2396.txt) from which the object's content
* may be streamed in the specified mime - type .
* If mime_type is NULL , the URI for the default ( and possibly only ) mime - type is
* returned .
*
* returns NULL if the mime - type is not supported , or if no URI can be
* constructed . Note that it is possible for get_uri to return NULL but for
* get_stream to work nonetheless , since not all GIOChannels connect to URIs .
*/
G_CONST_RETURN gchar* (* get_uri) (AtkStreamableContent *streamable,
const gchar *mime_type);
AtkFunction pad1;
AtkFunction pad2;
AtkFunction pad3;
};
GType atk_streamable_content_get_type (void );
gint atk_streamable_content_get_n_mime_types (AtkStreamableContent *streamable);
G_CONST_RETURN gchar* atk_streamable_content_get_mime_type (AtkStreamableContent *streamable,
gint i);
GIOChannel* atk_streamable_content_get_stream (AtkStreamableContent *streamable,
const gchar *mime_type);
gchar* atk_streamable_content_get_uri (AtkStreamableContent *streamable,
const gchar *mime_type);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* __ATK_STREAMABLE_CONTENT_H__ */
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