ROX-Filer/src/dir.h

   1 /*
   2  * $Id$
   3  *
   4  * Thomas Leonard, <tal197@users.sourceforge.net>
   5  */
   6
   7
   8 #ifndef _DIR_H
   9 #define _DIR_H
  10
  11 #include <sys/types.h>
  12 #include <dirent.h>
  13
  14 typedef enum {
  15         DIR_NAMES,      /* Got a list of names (used for resizing) */
  16         DIR_START_SCAN, /* Set 'scanning' indicator */
  17         DIR_END_SCAN,   /* Clear 'scanning' indicator */
  18         DIR_ADD,        /* Add the listed items to the display */
  19         DIR_REMOVE,     /* Remove listed items from display */
  20         DIR_UPDATE,     /* Redraw these items */
  21 } DirAction;
  22
  23 typedef struct _DirUser DirUser;
  24 typedef void (*DirCallback)(Directory *dir,
  25                         DirAction action,
  26                         GPtrArray *items,
  27                         gpointer data);
  28
  29 #include "fscache.h"
  30 #include "diritem.h"
  31
  32 extern GFSCache *dir_cache;
  33
  34 struct _DirUser
  35 {
  36         DirCallback     callback;
  37         gpointer        data;
  38 };
  39
  40 struct _Directory
  41 {
  42         char    *pathname;      /* Internal use only */
  43         int     ref;
  44         GList   *users;         /* Functions to call on update */
  45         char    *error;         /* NULL => no error */
  46
  47         gboolean        do_thumbs;      /* Create thumbs while scanning */
  48         gboolean        notify_active;  /* Notify timeout is running */
  49         gint            idle_callback;  /* Idle callback ID */
  50
  51         GHashTable      *known_items;   /* What our users know about */
  52         GPtrArray       *new_items;     /* New items to add in */
  53         GPtrArray       *up_items;      /* Items to redraw */
  54
  55         GList           *recheck_list;  /* Items to check on callback */
  56
  57         gboolean        have_scanned;   /* TRUE after first complete scan */
  58         gboolean        scanning;       /* TRUE if we sent DIR_START_SCAN */
  59
  60         /* Indicates that the directory needs to be rescanned.
  61          * This is cleared when scanning starts, and set when the fscache
  62          * detects that the directory needs to be rescanned and is already
  63          * scanning.
  64          *
  65          * If scanning finishes when this is set, or if someone attaches
  66          * and scanning is not in progress, a rescan is triggered.
  67          */
  68         gboolean        needs_update;
  69 };
  70
  71 void dir_init(void);
  72 void dir_attach(Directory *dir, DirCallback callback, gpointer data);
  73 void dir_detach(Directory *dir, DirCallback callback, gpointer data);
  74 void dir_update(Directory *dir, gchar *pathname);
  75 void dir_rescan_with_thumbs(Directory *dir, gchar *pathname);
  76 int dir_item_cmp(const void *a, const void *b);
  77 void refresh_dirs(char *path);
  78 void dir_stat(guchar *path, DirItem *item, gboolean make_thumb);
  79 void dir_restat(guchar *path, DirItem *item, gboolean make_thumb);
  80 void dir_item_clear(DirItem *item);
  81 void dir_check_this(guchar *path);
  82 void dir_rescan(Directory *dir, guchar *pathname);
  83 void dir_merge_new(Directory *dir);
  84
  85 #endif /* _DIR_H */