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https://gitlab.gnome.org/GNOME/nautilus
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221 lines
10 KiB
C
221 lines
10 KiB
C
/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*-
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nautilus-directory.h: Nautilus directory model.
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Copyright (C) 1999, 2000, 2001 Eazel, Inc.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public
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License along with this program; if not, write to the
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Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA.
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Author: Darin Adler <darin@bentspoon.com>
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*/
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#ifndef NAUTILUS_DIRECTORY_H
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#define NAUTILUS_DIRECTORY_H
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#include <gtk/gtkobject.h>
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#include <libgnomevfs/gnome-vfs-types.h>
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/* NautilusDirectory is a class that manages the model for a directory,
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real or virtual, for Nautilus, mainly the file-manager component. The directory is
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responsible for managing both real data and cached metadata. On top of
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the file system independence provided by gnome-vfs, the directory
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object also provides:
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1) A synchronization framework, which notifies via signals as the
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set of known files changes.
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2) An abstract interface for getting attributes and performing
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operations on files.
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*/
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#define NAUTILUS_TYPE_DIRECTORY \
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(nautilus_directory_get_type ())
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#define NAUTILUS_DIRECTORY(obj) \
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(GTK_CHECK_CAST ((obj), NAUTILUS_TYPE_DIRECTORY, NautilusDirectory))
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#define NAUTILUS_DIRECTORY_CLASS(klass) \
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(GTK_CHECK_CLASS_CAST ((klass), NAUTILUS_TYPE_DIRECTORY, NautilusDirectoryClass))
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#define NAUTILUS_IS_DIRECTORY(obj) \
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(GTK_CHECK_TYPE ((obj), NAUTILUS_TYPE_DIRECTORY))
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#define NAUTILUS_IS_DIRECTORY_CLASS(klass) \
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(GTK_CHECK_CLASS_TYPE ((klass), NAUTILUS_TYPE_DIRECTORY))
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/* NautilusFile is defined both here and in nautilus-file.h. */
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#ifndef NAUTILUS_FILE_DEFINED
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#define NAUTILUS_FILE_DEFINED
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typedef struct NautilusFile NautilusFile;
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#endif
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/* FIXME bugzilla.gnome.org 45382:
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* Increase or remove this limit?
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*/
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/* FIXME bugzilla.gnome.org 45603:
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* This limit is not actually "hard", which can lead to some minor UI problems.
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*/
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#define NAUTILUS_DIRECTORY_FILE_LIST_HARD_LIMIT 4000
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typedef struct NautilusDirectoryDetails NautilusDirectoryDetails;
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typedef struct
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{
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GtkObject object;
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NautilusDirectoryDetails *details;
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} NautilusDirectory;
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typedef void (*NautilusDirectoryCallback) (NautilusDirectory *directory,
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GList *files,
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gpointer callback_data);
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typedef struct
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{
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GtkObjectClass parent_class;
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/*** Notification signals for clients to connect to. ***/
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/* The files_added signal is emitted as the directory model
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* discovers new files.
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*/
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void (* files_added) (NautilusDirectory *directory,
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GList *added_files);
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/* The files_changed signal is emitted as changes occur to
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* existing files that are noticed by the synchronization framework,
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* including when an old file has been deleted. When an old file
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* has been deleted, this is the last chance to forget about these
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* file objects, which are about to be unref'd. Use a call to
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* nautilus_file_is_gone () to test for this case.
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*/
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void (* files_changed) (NautilusDirectory *directory,
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GList *changed_files);
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/* The done_loading signal is emitted when a directory load
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* request completes. This is needed because, at least in the
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* case where the directory is empty, the caller will receive
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* no kind of notification at all when a directory load
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* initiated by `nautilus_directory_file_monitor_add' completes.
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*/
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void (* done_loading) (NautilusDirectory *directory);
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void (* load_error) (NautilusDirectory *directory);
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/*** Virtual functions for subclasses to override. ***/
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gboolean (* contains_file) (NautilusDirectory *directory,
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NautilusFile *file);
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void (* call_when_ready) (NautilusDirectory *directory,
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GList *file_attributes,
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gboolean wait_for_file_list,
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NautilusDirectoryCallback callback,
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gpointer callback_data);
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void (* cancel_callback) (NautilusDirectory *directory,
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NautilusDirectoryCallback callback,
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gpointer callback_data);
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void (* file_monitor_add) (NautilusDirectory *directory,
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gconstpointer client,
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gboolean monitor_hidden_files,
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gboolean monitor_backup_files,
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GList *monitor_attributes,
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NautilusDirectoryCallback initial_files_callback,
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gpointer callback_data);
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void (* file_monitor_remove) (NautilusDirectory *directory,
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gconstpointer client);
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void (* force_reload) (NautilusDirectory *directory);
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gboolean (* are_all_files_seen) (NautilusDirectory *directory);
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gboolean (* is_not_empty) (NautilusDirectory *directory);
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char * (* get_name_for_self_as_new_file) (NautilusDirectory *directory);
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} NautilusDirectoryClass;
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/* Basic GtkObject requirements. */
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GtkType nautilus_directory_get_type (void);
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/* Get a directory given a uri.
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* Creates the appropriate subclass given the uri mappings.
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* Returns a referenced object, not a floating one. Unref when finished.
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* If two windows are viewing the same uri, the directory object is shared.
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*/
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NautilusDirectory *nautilus_directory_get (const char *uri);
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/* Covers for gtk_object_ref and gtk_object_unref that provide two conveniences:
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* 1) You don't have to cast to GtkObject *, so using these is type safe.
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* 2) You are allowed to call these with NULL,
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*/
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void nautilus_directory_ref (NautilusDirectory *directory);
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void nautilus_directory_unref (NautilusDirectory *directory);
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/* Access to a URI. */
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char * nautilus_directory_get_uri (NautilusDirectory *directory);
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/* Is this file still alive and in this directory? */
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gboolean nautilus_directory_contains_file (NautilusDirectory *directory,
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NautilusFile *file);
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/* Get the uri of the file in the directory, NULL if not found */
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char * nautilus_directory_get_file_uri (NautilusDirectory *directory,
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const char *file_name);
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/* Get (and ref) a NautilusFile object for this directory. */
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NautilusFile * nautilus_directory_get_corresponding_file (NautilusDirectory *directory);
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/* Waiting for data that's read asynchronously.
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* The file attribute and metadata keys are for files in the directory.
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*/
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void nautilus_directory_call_when_ready (NautilusDirectory *directory,
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GList *file_attributes,
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gboolean wait_for_all_files,
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NautilusDirectoryCallback callback,
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gpointer callback_data);
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void nautilus_directory_cancel_callback (NautilusDirectory *directory,
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NautilusDirectoryCallback callback,
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gpointer callback_data);
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/* Monitor the files in a directory. */
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void nautilus_directory_file_monitor_add (NautilusDirectory *directory,
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gconstpointer client,
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gboolean monitor_hidden_files,
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gboolean monitor_backup_files,
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GList *attributes,
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NautilusDirectoryCallback initial_files_callback,
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gpointer callback_data);
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void nautilus_directory_file_monitor_remove (NautilusDirectory *directory,
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gconstpointer client);
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void nautilus_directory_force_reload (NautilusDirectory *directory);
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/* Get a list of all files currently known in the directory. */
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GList * nautilus_directory_get_file_list (NautilusDirectory *directory);
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/* Return true if the directory has information about all the files.
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* This will be false until the directory has been read at least once.
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*/
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gboolean nautilus_directory_are_all_files_seen (NautilusDirectory *directory);
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/* Return true if the directory is local. */
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gboolean nautilus_directory_is_local (NautilusDirectory *directory);
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/* Return false if directory contains anything besides a Nautilus metafile.
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* Only valid if directory is monitored. Used by the Trash monitor.
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*/
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gboolean nautilus_directory_is_not_empty (NautilusDirectory *directory);
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gboolean nautilus_directory_file_list_length_reached (NautilusDirectory *directory);
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char * nautilus_directory_make_uri_canonical (const char *uri);
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/* Convenience functions for dealing with a list of NautilusDirectory objects that each have a ref.
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* These are just convenient names for functions that work on lists of GtkObject *.
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*/
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GList * nautilus_directory_list_ref (GList *directory_list);
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void nautilus_directory_list_unref (GList *directory_list);
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void nautilus_directory_list_free (GList *directory_list);
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GList * nautilus_directory_list_copy (GList *directory_list);
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GList * nautilus_directory_list_sort_by_uri (GList *directory_list);
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#endif /* NAUTILUS_DIRECTORY_H */
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