ROX-Filer/src/dir.h

   1 /*
   2  * $Id$
   3  *
   4  * Thomas Leonard, <tal197@ecs.soton.ac.uk>
   5  */
   6
   7
   8 #ifndef _DIR_H
   9 #define _DIR_H
  10
  11 #include <glib.h>
  12 #include <sys/types.h>
  13 #include <dirent.h>
  14
  15 typedef enum {
  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 _Directory Directory;
  24 typedef struct _DirItem DirItem;
  25 typedef struct _DirUser DirUser;
  26 typedef void (*DirCallback)(Directory *dir,
  27                         DirAction action,
  28                         GPtrArray *items,
  29                         gpointer data);
  30
  31 typedef enum
  32 {
  33         ITEM_FLAG_SYMLINK       = 0x01, /* Is a symlink */
  34         ITEM_FLAG_APPDIR        = 0x02, /* Contains /AppInfo */
  35         ITEM_FLAG_MOUNT_POINT   = 0x04, /* Is in mtab or fstab */
  36         ITEM_FLAG_MOUNTED       = 0x08, /* Is in /etc/mtab */
  37         ITEM_FLAG_TEMP_ICON     = 0x10, /* Free icon after use */
  38         ITEM_FLAG_EXEC_FILE     = 0x20, /* File, and has an X bit set */
  39         ITEM_FLAG_MAY_DELETE    = 0x40, /* Delete on finishing scan */
  40 } ItemFlags;
  41
  42 #include "fscache.h"
  43 #include "pixmaps.h"
  44 #include "type.h"
  45
  46 extern GFSCache *dir_cache;
  47
  48 struct _DirItem
  49 {
  50         char            *leafname;
  51         gboolean        may_delete;     /* Not yet found, this scan */
  52         int             base_type;
  53         int             flags;
  54         mode_t          mode;
  55         off_t           size;
  56         time_t          mtime;
  57         MaskedPixmap    *image;
  58         MIME_type       *mime_type;
  59         int             name_width;
  60         int             details_width;
  61         uid_t           uid;
  62         gid_t           gid;
  63 };
  64
  65 struct _DirUser
  66 {
  67         DirCallback     callback;
  68         gpointer        data;
  69 };
  70
  71 struct _Directory
  72 {
  73         char    *pathname;      /* Internal use only */
  74         int     ref;
  75         GList   *users;         /* Functions to call on update */
  76         char    *error;         /* NULL => no error */
  77
  78         gboolean        needs_update;   /* When scan is finished, rescan */
  79         gboolean        notify_active;  /* Notify timeout is running */
  80         gboolean        done_some_scanning;     /* Read any items this scan? */
  81         gint            idle;           /* Idle callback ID */
  82         DIR             *dir_handle;    /* NULL => not scanning */
  83         off_t           dir_start;      /* For seekdir() to beginning */
  84
  85         GPtrArray       *items;         /* What our users know about */
  86         GPtrArray       *new_items;     /* New items to add in */
  87         GPtrArray       *up_items;      /* Items to redraw */
  88 };
  89
  90 void dir_init(void);
  91 void dir_attach(Directory *dir, DirCallback callback, gpointer data);
  92 void dir_detach(Directory *dir, DirCallback callback, gpointer data);
  93 void dir_update(Directory *dir, gchar *pathname);
  94 int dir_item_cmp(const void *a, const void *b);
  95 void refresh_dirs(char *path);
  96
  97 #endif /* _DIR_H */