gio/glocalfilemonitor.c

   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 #include "config.h"
  24
  25 #include "gioenumtypes.h"
  26 #include "glocalfilemonitor.h"
  27 #include "giomodule-priv.h"
  28 #include "gioerror.h"
  29 #include "glibintl.h"
  30
  31 #include <string.h>
  32
  33
  34 enum
  35 {
  36   PROP_0,
  37   PROP_FILENAME,
  38   PROP_FLAGS
  39 };
  40
  41 G_DEFINE_ABSTRACT_TYPE (GLocalFileMonitor, g_local_file_monitor, G_TYPE_FILE_MONITOR)
  42
  43 static void
  44 g_local_file_monitor_init (GLocalFileMonitor* local_monitor)
  45 {
  46 }
  47
  48 static void
  49 g_local_file_monitor_set_property (GObject      *object,
  50                                    guint         property_id,
  51                                    const GValue *value,
  52                                    GParamSpec   *pspec)
  53 {
  54   GLocalFileMonitor *local_monitor = G_LOCAL_FILE_MONITOR (object);
  55
  56   switch (property_id)
  57     {
  58     case PROP_FILENAME:
  59       local_monitor->filename = g_value_dup_string (value);
  60       break;
  61
  62     case PROP_FLAGS:
  63       local_monitor->flags = g_value_get_flags (value);
  64       break;
  65
  66     default:
  67       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
  68       break;
  69     }
  70 }
  71
  72 void
  73 g_local_file_monitor_start (GLocalFileMonitor *local_monitor)
  74 {
  75   GLocalFileMonitorClass *class;
  76
  77   class = G_LOCAL_FILE_MONITOR_GET_CLASS (local_monitor);
  78
  79   if (class->start)
  80     class->start (local_monitor);
  81 }
  82
  83 static void
  84 g_local_file_monitor_finalize (GObject *object)
  85 {
  86   GLocalFileMonitor *local_monitor = G_LOCAL_FILE_MONITOR (object);
  87
  88   g_free (local_monitor->filename);
  89
  90   G_OBJECT_CLASS (g_local_file_monitor_parent_class)->finalize (object);
  91 }
  92
  93 static void g_local_file_monitor_class_init (GLocalFileMonitorClass *klass)
  94 {
  95   GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
  96
  97   gobject_class->set_property = g_local_file_monitor_set_property;
  98   gobject_class->finalize = g_local_file_monitor_finalize;
  99
 100   g_object_class_install_property (gobject_class,
 101                                    PROP_FILENAME,
 102                                    g_param_spec_string ("filename",
 103                                                         P_("File name"),
 104                                                         P_("File name to monitor"),
 105                                                         NULL,
 106                                                         G_PARAM_CONSTRUCT_ONLY|
 107                                                         G_PARAM_WRITABLE|
 108                                                         G_PARAM_STATIC_NAME|G_PARAM_STATIC_NICK|G_PARAM_STATIC_BLURB));
 109
 110   g_object_class_install_property (gobject_class,
 111                                    PROP_FLAGS,
 112                                    g_param_spec_flags ("flags",
 113                                                        P_("Monitor flags"),
 114                                                        P_("Monitor flags"),
 115                                                        G_TYPE_FILE_MONITOR_FLAGS,
 116                                                        0,
 117                                                        G_PARAM_CONSTRUCT_ONLY|
 118                                                        G_PARAM_WRITABLE|
 119                                                        G_PARAM_STATIC_NAME|G_PARAM_STATIC_NICK|G_PARAM_STATIC_BLURB));
 120 }
 121
 122 GFileMonitor*
 123 _g_local_file_monitor_new (const char         *pathname,
 124                            GFileMonitorFlags   flags,
 125                            GMainContext       *context,
 126                            gboolean            is_remote_fs,
 127                            gboolean            do_start,
 128                            GError            **error)
 129 {
 130   GFileMonitor *monitor = NULL;
 131   GType type = G_TYPE_INVALID;
 132
 133   if (is_remote_fs)
 134     type = _g_io_module_get_default_type (G_NFS_FILE_MONITOR_EXTENSION_POINT_NAME,
 135                                           "GIO_USE_FILE_MONITOR",
 136                                           G_STRUCT_OFFSET (GLocalFileMonitorClass, is_supported));
 137
 138   if (type == G_TYPE_INVALID)
 139     type = _g_io_module_get_default_type (G_LOCAL_FILE_MONITOR_EXTENSION_POINT_NAME,
 140                                           "GIO_USE_FILE_MONITOR",
 141                                           G_STRUCT_OFFSET (GLocalFileMonitorClass, is_supported));
 142
 143   if (type != G_TYPE_INVALID)
 144     monitor = G_FILE_MONITOR (g_object_new (type, "filename", pathname, "flags", flags, "context", context, NULL));
 145   else
 146     g_set_error_literal (error, G_IO_ERROR, G_IO_ERROR_FAILED,
 147                          _("Unable to find default local file monitor type"));
 148
 149   if (monitor && do_start)
 150     g_local_file_monitor_start (G_LOCAL_FILE_MONITOR (monitor));
 151
 152   return monitor;
 153 }