gio/gfilemonitor.h

   1 /* GIO - GLib Input, Output and Streaming Library
   2  *
   3  * Copyright (C) 2006-2007 Red Hat, Inc.
   4  *
   5  * This library is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU Lesser General Public
   7  * License as published by the Free Software Foundation; either
   8  * version 2 of the License, or (at your option) any later version.
   9  *
  10  * This library is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * Lesser General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU Lesser General
  16  * Public License along with this library; if not, write to the
  17  * Free Software Foundation, Inc., 59 Temple Place, Suite 330,
  18  * Boston, MA 02111-1307, USA.
  19  *
  20  * Author: Alexander Larsson <alexl@redhat.com>
  21  */
  22
  23 #if !defined (__GIO_GIO_H_INSIDE__) && !defined (GIO_COMPILATION)
  24 #error "Only <gio/gio.h> can be included directly."
  25 #endif
  26
  27 #ifndef __G_FILE_MONITOR_H__
  28 #define __G_FILE_MONITOR_H__
  29
  30 #include <gio/giotypes.h>
  31
  32 G_BEGIN_DECLS
  33
  34 #define G_TYPE_FILE_MONITOR         (g_file_monitor_get_type ())
  35 #define G_FILE_MONITOR(o)           (G_TYPE_CHECK_INSTANCE_CAST ((o), G_TYPE_FILE_MONITOR, GFileMonitor))
  36 #define G_FILE_MONITOR_CLASS(k)     (G_TYPE_CHECK_CLASS_CAST((k), G_TYPE_FILE_MONITOR, GFileMonitorClass))
  37 #define G_IS_FILE_MONITOR(o)        (G_TYPE_CHECK_INSTANCE_TYPE ((o), G_TYPE_FILE_MONITOR))
  38 #define G_IS_FILE_MONITOR_CLASS(k)  (G_TYPE_CHECK_CLASS_TYPE ((k), G_TYPE_FILE_MONITOR))
  39 #define G_FILE_MONITOR_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS ((o), G_TYPE_FILE_MONITOR, GFileMonitorClass))
  40
  41 typedef struct _GFileMonitorClass       GFileMonitorClass;
  42 typedef struct _GFileMonitorPrivate     GFileMonitorPrivate;
  43
  44 /**
  45  * GFileMonitor:
  46  *
  47  * Watches for changes to a file.
  48  **/
  49 struct _GFileMonitor
  50 {
  51   GObject parent_instance;
  52
  53   /*< private >*/
  54   GFileMonitorPrivate *priv;
  55 };
  56
  57 struct _GFileMonitorClass
  58 {
  59   GObjectClass parent_class;
  60
  61   /* Signals */
  62   void (* changed) (GFileMonitor* monitor,
  63                     GFile* file,
  64                     GFile* other_file,
  65                     GFileMonitorEvent event_type);
  66
  67   /* Virtual Table */
  68   gboolean      (*cancel)(GFileMonitor* monitor);
  69
  70   /*< private >*/
  71   /* Padding for future expansion */
  72   void (*_g_reserved1) (void);
  73   void (*_g_reserved2) (void);
  74   void (*_g_reserved3) (void);
  75   void (*_g_reserved4) (void);
  76   void (*_g_reserved5) (void);
  77 };
  78
  79 GType g_file_monitor_get_type (void) G_GNUC_CONST;
  80
  81 gboolean g_file_monitor_cancel         (GFileMonitor *monitor);
  82 gboolean g_file_monitor_is_cancelled   (GFileMonitor *monitor);
  83 void     g_file_monitor_set_rate_limit (GFileMonitor *monitor,
  84                                         int           limit_msecs);
  85
  86
  87 /* For implementations */
  88 void g_file_monitor_emit_event (GFileMonitor      *monitor,
  89                                 GFile             *child,
  90                                 GFile             *other_file,
  91                                 GFileMonitorEvent  event_type);
  92
  93 G_END_DECLS
  94
  95 #endif /* __G_FILE_MONITOR_H__ */