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/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*-

   caja-file-private.h:

   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., 51 Franklin St, Fifth Floor,
   Boston, MA 02110-1301, USA.

   Author: Darin Adler <darin@bentspoon.com>
*/

#ifndef CAJA_FILE_PRIVATE_H
#define CAJA_FILE_PRIVATE_H

#include <eel/eel-glib-extensions.h>
#include <eel/eel-string.h>

#include "caja-directory.h"
#include "caja-file.h"
#include "caja-monitor.h"
#include "caja-undostack-manager.h"

#define CAJA_FILE_LARGE_TOP_LEFT_TEXT_MAXIMUM_CHARACTERS_PER_LINE 80
#define CAJA_FILE_LARGE_TOP_LEFT_TEXT_MAXIMUM_LINES               24
#define CAJA_FILE_LARGE_TOP_LEFT_TEXT_MAXIMUM_BYTES               10000

#define CAJA_FILE_TOP_LEFT_TEXT_MAXIMUM_CHARACTERS_PER_LINE 10
#define CAJA_FILE_TOP_LEFT_TEXT_MAXIMUM_LINES               5
#define CAJA_FILE_TOP_LEFT_TEXT_MAXIMUM_BYTES               1024

#define CAJA_FILE_DEFAULT_ATTRIBUTES				\
	"standard::*,access::*,mountable::*,time::*,unix::*,owner::*,selinux::*,thumbnail::*,id::filesystem,trash::orig-path,trash::deletion-date,metadata::*"

/* 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
{
    char emblem_keywords[1];
} CajaFileSortByEmblemCache;

struct _CajaFilePrivate
{
    CajaDirectory *directory;

    GRefString *name;

    /* File info: */
    GFileType type;

    GRefString *display_name;
    char *display_name_collation_key;
    GRefString *edit_name;

    goffset size; /* -1 is unknown */
    goffset size_on_disk; /* -1 is unknown */

    int sort_order;

    guint32 permissions;
    int uid; /* -1 is none */
    int gid; /* -1 is none */

    GRefString *owner;
    GRefString *owner_real;
    GRefString *group;

    time_t atime; /* 0 is unknown */
    time_t mtime; /* 0 is unknown */
    time_t ctime; /* 0 is unknown */
    time_t btime; /* 0 is unknown */

    char *symlink_name;

    GRefString *mime_type;

    char *selinux_context;
    char *description;

    GError *get_info_error;

    guint directory_count;

    guint deep_directory_count;
    guint deep_file_count;
    guint deep_unreadable_count;
    goffset deep_size;
    goffset deep_size_on_disk;

    GIcon *icon;

    char *thumbnail_path;
    GdkPixbuf *thumbnail;
    time_t thumbnail_mtime;

    GList *mime_list; /* If this is a directory, the list of MIME types in it. */
    char *top_left_text;

    /* Info you might get from a link (.desktop, .directory or caja link) */
    char *custom_icon;
    char *activation_uri;

    /* used during DND, for checking whether source and destination are on
     * the same file system.
     */
    GRefString *filesystem_id;

    char *trash_orig_path;

    /* 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. */
    CajaFileSortByEmblemCache *compare_by_emblem_cache;

    /* CajaInfoProviders that need to be run for this file */
    GList *pending_info_providers;

    /* Emblems provided by extensions */
    GList *extension_emblems;
    GList *pending_extension_emblems;

    /* Attributes provided by extensions */
    GHashTable *extension_attributes;
    GHashTable *pending_extension_attributes;

    GHashTable *metadata;

    /* Mount for mountpoint or the references GMount for a "mountable" */
    GMount *mount;

    /* boolean fields: bitfield to save space, since there can be
           many CajaFile objects. */

    eel_boolean_bit unconfirmed                   : 1;
    eel_boolean_bit is_gone                       : 1;
    /* Set when emitting files_added on the directory to make sure we
       add a file, and only once */
    eel_boolean_bit is_added                      : 1;
    /* Set by the CajaDirectory while it's loading the file
     * list so the file knows not to do redundant I/O.
     */
    eel_boolean_bit loading_directory             : 1;
    eel_boolean_bit got_file_info                 : 1;
    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;

    eel_boolean_bit deep_counts_status      : 2; /* CajaRequestStatus */
    /* 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 mount_is_up_to_date           : 1;

    eel_boolean_bit got_top_left_text             : 1;
    eel_boolean_bit got_large_top_left_text       : 1;
    eel_boolean_bit top_left_text_is_up_to_date   : 1;

    eel_boolean_bit got_link_info                 : 1;
    eel_boolean_bit link_info_is_up_to_date       : 1;
    eel_boolean_bit got_custom_display_name       : 1;
    eel_boolean_bit got_custom_activation_uri     : 1;

    eel_boolean_bit thumbnail_is_up_to_date       : 1;
    eel_boolean_bit thumbnail_wants_original      : 1;
    eel_boolean_bit thumbnail_tried_original      : 1;
    eel_boolean_bit thumbnailing_failed           : 1;

    eel_boolean_bit is_thumbnailing               : 1;

    /* TRUE if the file is open in a spatial window */
    eel_boolean_bit has_open_window               : 1;

    eel_boolean_bit is_launcher                   : 1;
    eel_boolean_bit is_trusted_link               : 1;
    eel_boolean_bit is_foreign_link               : 1;
    eel_boolean_bit is_symlink                    : 1;
    eel_boolean_bit is_mountpoint                 : 1;
    eel_boolean_bit is_hidden                     : 1;
    eel_boolean_bit is_backup                     : 1;
    eel_boolean_bit has_permissions               : 1;

    eel_boolean_bit can_read                      : 1;
    eel_boolean_bit can_write                     : 1;
    eel_boolean_bit can_execute                   : 1;
    eel_boolean_bit can_delete                    : 1;
    eel_boolean_bit can_trash                     : 1;
    eel_boolean_bit can_rename                    : 1;
    eel_boolean_bit can_mount                     : 1;
    eel_boolean_bit can_unmount                   : 1;
    eel_boolean_bit can_eject                     : 1;
    eel_boolean_bit can_start                     : 1;
    eel_boolean_bit can_start_degraded            : 1;
    eel_boolean_bit can_stop                      : 1;
    eel_boolean_bit start_stop_type               : 3; /* GDriveStartStopType */
    eel_boolean_bit can_poll_for_media            : 1;
    eel_boolean_bit is_media_check_automatic      : 1;

    eel_boolean_bit filesystem_readonly           : 1;
    eel_boolean_bit filesystem_use_preview        : 2; /* GFilesystemPreviewType */
    eel_boolean_bit filesystem_info_is_up_to_date : 1;

    time_t trash_time; /* 0 is unknown */
};

typedef struct
{
    CajaFile *file;
    GCancellable *cancellable;
    CajaFileOperationCallback callback;
    gpointer callback_data;
    gboolean is_rename;

    gpointer data;
    GDestroyNotify free_data;
    CajaUndoStackActionData* undo_redo_data;
} CajaFileOperation;

CajaFile *caja_file_new_from_info                  (CajaDirectory      *directory,
        GFileInfo              *info);
void          caja_file_emit_changed                   (CajaFile           *file);
void          caja_file_mark_gone                      (CajaFile           *file);
char *        caja_extract_top_left_text               (const char             *text,
        gboolean                large,
        int                     length);
void          caja_file_set_directory                  (CajaFile           *file,
        CajaDirectory      *directory);
gboolean      caja_file_get_date                       (CajaFile           *file,
        CajaDateType        date_type,
        time_t                 *date);
void          caja_file_updated_deep_count_in_progress (CajaFile           *file);

void          caja_file_clear_info                     (CajaFile           *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      caja_file_update_info                    (CajaFile           *file,
        GFileInfo              *info);
gboolean      caja_file_update_name                    (CajaFile           *file,
        const char             *name);
gboolean      caja_file_update_metadata_from_info      (CajaFile           *file,
        GFileInfo              *info);

gboolean      caja_file_update_name_and_directory      (CajaFile           *file,
        const char             *name,
        CajaDirectory      *directory);

gboolean      caja_file_set_display_name               (CajaFile           *file,
        const char             *display_name,
        const char             *edit_name,
        gboolean                custom);
void          caja_file_set_mount                      (CajaFile           *file,
        GMount                 *mount);

/* Return true if the top lefts of files in this directory should be
 * fetched, according to the preference settings.
 */
gboolean      caja_file_should_get_top_left_text       (CajaFile           *file);

/* Mark specified attributes for this file out of date without canceling current
 * I/O or kicking off new I/O.
 */
void                   caja_file_invalidate_attributes_internal     (CajaFile           *file,
        CajaFileAttributes  file_attributes);
CajaFileAttributes caja_file_get_all_attributes                 (void);
gboolean               caja_file_is_self_owned                      (CajaFile           *file);
void                   caja_file_invalidate_count_and_mime_list     (CajaFile           *file);
gboolean               caja_file_rename_in_progress                 (CajaFile           *file);
void                   caja_file_invalidate_extension_info_internal (CajaFile           *file);
void                   caja_file_info_providers_done                (CajaFile           *file);

/* Thumbnailing: */
void          caja_file_set_is_thumbnailing            (CajaFile           *file,
        gboolean                is_thumbnailing);

CajaFileOperation *caja_file_operation_new      (CajaFile                  *file,
        CajaFileOperationCallback  callback,
        gpointer                       callback_data);
void                   caja_file_operation_free     (CajaFileOperation         *op);
void                   caja_file_operation_complete (CajaFileOperation         *op,
        GFile                         *result_location,
        GError                        *error);
void                   caja_file_operation_cancel   (CajaFileOperation         *op);

#endif