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/*
This file is part of GNUnet.
(C) 2010 Christian Grothoff (and other contributing authors)
GNUnet 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, or (at your
option) any later version.
GNUnet 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 GNUnet; see the file COPYING. If not, write to the
Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.
*/
/**
* @file src/fs/gnunet-fs-gtk_common.h
* @brief Common includes for all gnunet-gtk source files
* @author Christian Grothoff
*/
#ifndef GNUNET_FS_GTK_COMMON_H
#define GNUNET_FS_GTK_COMMON_H
#include "gnunet_gtk.h"
#include <gnunet/gnunet_fs_service.h>
#include <extractor.h>
/**
* Obtain pixbuf from thumbnail data in meta data.
*
* @param meta input meta data
* @return NULL on error, otherwise the embedded thumbnail
*/
GdkPixbuf *
GNUNET_FS_GTK_get_thumbnail_from_meta_data (const struct
GNUNET_CONTAINER_MetaData *meta);
/**
* Initialize the 'expiration_year_adjustment' of the given
* builder to have a lower range of current-year+1 and a
* default of current-year+2.
* FIXME-STYLE: odd API...
*
* @param builder builder object for which we should manipulate
* the adjustment
*/
void
GNUNET_FS_GTK_setup_expiration_year_adjustment (GtkBuilder * builder);
/**
* Convert the year from the spin button to an expiration
* time (on midnight, January 1st of that year).
*
* @param spin button with the year
* @param time converted from the spin button
*/
struct GNUNET_TIME_Absolute
GNUNET_FS_GTK_get_expiration_time (GtkSpinButton * spin);
/**
* mmap the given file and run the GNUNET_FS_directory_list_contents
* function on it.
*
* @param filename name with the directory
* @param dep function to call on each entry
* @param dep_cls closure for 'dep'
* @return GNUNET_OK on success
*/
int
GNUNET_FS_GTK_mmap_and_scan (const char *filename,
GNUNET_FS_DirectoryEntryProcessor dep,
void *dep_cls);
/**
* Add meta data to list store.
*
* @param cls closure (the GtkListStore)
* @param plugin_name name of the plugin that produced this value;
* special values can be used (i.e. '<zlib>' for zlib being
* used in the main libextractor library and yielding
* meta data).
* @param type libextractor-type describing the meta data
* @param format basic format information about data
* @param data_mime_type mime-type of data (not of the original file);
* can be NULL (if mime-type is not known)
* @param data actual meta-data found
* @param data_len number of bytes in data
* @return 0 to continue (always)
*/
int
GNUNET_FS_GTK_add_meta_data_to_list_store (void *cls, const char *plugin_name,
enum EXTRACTOR_MetaType type,
enum EXTRACTOR_MetaFormat format,
const char *data_mime_type,
const char *data, size_t data_len);
/**
* Converts metadata specified by @data of size @data_len
* and saved in format @format to UTF-8 encoded string.
* Works only for C-string and UTF8 metadata formats
* (returns NULL for everything else).
* Verifies UTF-8 strings.
*
* @param format format of the @data
* @param data data to convert
* @param data_len length of the data buffer (in bytes)
* @return NULL if can't be converted, allocated string otherwise,
* freeable with GNUNET_free* ().
*/
char *
GNUNET_FS_GTK_dubious_meta_to_utf8 (enum EXTRACTOR_MetaFormat format,
const char *data, size_t data_len);
/**
* Obtain the string we will use to describe a search result from
* the respective meta data.
*
* @param meta meta data to inspect
* @return description of the result in utf-8, never NULL
*/
char *
GNUNET_FS_GTK_get_description_from_metadata (const struct GNUNET_CONTAINER_MetaData *meta);
/**
* A URI was selected (or pasted into the application). Run
* the appropriate action.
*
* @param uri the URI
*/
void
GNUNET_FS_GTK_handle_uri (const struct GNUNET_FS_Uri *uri);
#endif
/* end of gnunet-fs-gtk-common.h */
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