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/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*-
nautilus-directory.c: Nautilus directory model.
Copyright (C) 1999, 2000, 2001 Eazel, Inc.
This program 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.
This program 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., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.
Author: Darin Adler <darin@eazel.com>
*/
#include "nautilus-file.h"
#include "nautilus-directory.h"
#include <eel/eel-glib-extensions.h>
#define NAUTILUS_FILE_TOP_LEFT_TEXT_MAXIMUM_CHARACTERS_PER_LINE 80
#define NAUTILUS_FILE_TOP_LEFT_TEXT_MAXIMUM_LINES 24
#define NAUTILUS_FILE_TOP_LEFT_TEXT_MAXIMUM_BYTES 10000
/* These are in the typical sort order. Known things come first, then
* things where we can't know, finally things where we don't yet know.
*/
typedef enum {
KNOWN,
UNKNOWABLE,
UNKNOWN
} Knowledge;
typedef struct {
int automatic_emblems_as_integer;
char emblem_keywords[1];
} NautilusFileSortByEmblemCache;
struct NautilusFileDetails
{
NautilusDirectory *directory;
char *relative_uri;
/* Set by the NautilusDirectory while it's loading the file
* list so the file knows not to do redundant I/O.
*/
GnomeVFSFileInfo *info;
GnomeVFSResult get_info_error;
guint directory_count;
guint deep_directory_count;
guint deep_file_count;
guint deep_unreadable_count;
GnomeVFSFileSize deep_size;
GList *mime_list; /* If this is a directory, the list of MIME types in it. */
char *top_left_text;
char *activation_uri;
/* The following is for file operations in progress. Since
* there are normally only a few of these, we can move them to
* a separate hash table or something if required to keep the
* file objects small.
*/
GList *operations_in_progress;
/* We use this to cache automatic emblems and emblem keywords
to speed up compare_by_emblems. */
NautilusFileSortByEmblemCache *compare_by_emblem_cache;
/* boolean fields: bitfield to save space, since there can be
many NautilusFile objects. */
eel_boolean_bit unconfirmed : 1;
eel_boolean_bit is_gone : 1;
eel_boolean_bit loading_directory : 1;
/* got_info known from info field being non-NULL */
eel_boolean_bit get_info_failed : 1;
eel_boolean_bit file_info_is_up_to_date : 1;
eel_boolean_bit got_directory_count : 1;
eel_boolean_bit directory_count_failed : 1;
eel_boolean_bit directory_count_is_up_to_date : 1;
NautilusRequestStatus deep_counts_status : 2;
/* no deep_counts_are_up_to_date field; since we expose
intermediate values for this attribute, we do actually
forget it rather than invalidating. */
eel_boolean_bit got_mime_list : 1;
eel_boolean_bit mime_list_failed : 1;
eel_boolean_bit mime_list_is_up_to_date : 1;
eel_boolean_bit got_top_left_text : 1;
eel_boolean_bit top_left_text_is_up_to_date : 1;
eel_boolean_bit got_activation_uri : 1;
eel_boolean_bit activation_uri_is_up_to_date : 1;
};
NautilusFile *nautilus_file_new_from_info (NautilusDirectory *directory,
GnomeVFSFileInfo *info);
NautilusFile *nautilus_file_get_existing (const char *uri);
void nautilus_file_emit_changed (NautilusFile *file);
void nautilus_file_mark_gone (NautilusFile *file);
gboolean nautilus_file_info_missing (NautilusFile *file,
GnomeVFSFileInfoFields needed_mask);
char * nautilus_extract_top_left_text (const char *text,
int length);
void nautilus_file_set_directory (NautilusFile *file,
NautilusDirectory *directory);
gboolean nautilus_file_get_date (NautilusFile *file,
NautilusDateType date_type,
time_t *date);
void nautilus_file_updated_deep_count_in_progress (NautilusFile *file);
/* Compare file's state with a fresh file info struct, return FALSE if
* no change, update file and return TRUE if the file info contains
* new state. */
gboolean nautilus_file_update_info (NautilusFile *file,
GnomeVFSFileInfo *info);
gboolean nautilus_file_update_name (NautilusFile *file,
const char *name);
/* Return true if the top lefts of files in this directory should be
* fetched, according to the preference settings.
*/
gboolean nautilus_file_should_get_top_left_text (NautilusFile *file);
/* Mark specified attributes for this file out of date without canceling current
* I/O or kicking off new I/O.
*/
void nautilus_file_invalidate_attributes_internal (NautilusFile *file,
GList *file_attributes);
GList * nautilus_file_get_all_attributes (void);
gboolean nautilus_file_is_self_owned (NautilusFile *file);
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