1 /* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ 2 /* vim:set expandtab ts=4 shiftwidth=4: */ 3 /* GIO - GLib Input, Output and Streaming Library 4 * 5 * Copyright (C) 2006-2007 Red Hat, Inc. 6 * Copyright (C) 2007 Sebastian Drge. 7 * Copyright (C) 2008 Sun Microsystems, Inc. All rights reserved. 8 * Use is subject to license terms. 9 * 10 * This library is free software; you can redistribute it and/or 11 * modify it under the terms of the GNU Lesser General Public 12 * License as published by the Free Software Foundation; either 13 * version 2 of the License, or (at your option) any later version. 14 * 15 * This library is distributed in the hope that it will be useful, 16 * but WITHOUT ANY WARRANTY; without even the implied warranty of 17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 18 * Lesser General Public License for more details. 19 * 20 * You should have received a copy of the GNU Lesser General 21 * Public License along with this library; if not, write to the 22 * Free Software Foundation, Inc., 59 Temple Place, Suite 330, 23 * Boston, MA 02111-1307, USA. 24 * 25 * Authors: Alexander Larsson <alexl (at) redhat.com> 26 * John McCutchan <john (at) johnmccutchan.com> 27 * Sebastian Drge <slomo (at) circular-chaos.org> 28 * Lin Ma <lin.ma (at) sun.com> 29 */ 30 31 #include "config.h" 32 33 #include "gfendirectorymonitor.h" 34 #include "giomodule.h" 35 36 #include "fen-helper.h" 37 38 #include "gioalias.h" 39 40 struct _GFenDirectoryMonitor 41 { 42 GLocalDirectoryMonitor parent_instance; 43 gboolean cancelled; 44 fen_sub* sub; 45 }; 46 47 static gboolean g_fen_directory_monitor_cancel (GFileMonitor* monitor); 48 49 #define g_fen_directory_monitor_get_type _g_fen_directory_monitor_get_type 50 G_DEFINE_TYPE_WITH_CODE (GFenDirectoryMonitor, g_fen_directory_monitor, G_TYPE_LOCAL_DIRECTORY_MONITOR, 51 g_io_extension_point_implement (G_LOCAL_DIRECTORY_MONITOR_EXTENSION_POINT_NAME, 52 g_define_type_id, 53 "fen", 54 20)) 55 56 static void 57 g_fen_directory_monitor_finalize (GObject *object) 58 { 59 GFenDirectoryMonitor *self = G_FEN_DIRECTORY_MONITOR (object); 60 61 if (self->sub) { 62 fen_remove (G_LOCAL_DIRECTORY_MONITOR (self)->dirname, self->sub, TRUE); 63 fen_sub_delete (self->sub); 64 self->sub = NULL; 65 } 66 67 if (G_OBJECT_CLASS (g_fen_directory_monitor_parent_class)->finalize) 68 (*G_OBJECT_CLASS (g_fen_directory_monitor_parent_class)->finalize) (object); 69 } 70 71 static GObject * 72 g_fen_directory_monitor_constructor (GType type, 73 guint n_construct_properties, 74 GObjectConstructParam *construct_properties) 75 { 76 GObject *obj; 77 GFenDirectoryMonitorClass *klass; 78 GObjectClass *parent_class; 79 GFenDirectoryMonitor *self; 80 const gchar *dirname = NULL; 81 82 klass = G_FEN_DIRECTORY_MONITOR_CLASS (g_type_class_peek (G_TYPE_FEN_DIRECTORY_MONITOR)); 83 parent_class = g_fen_directory_monitor_parent_class; 84 obj = parent_class->constructor (type, 85 n_construct_properties, 86 construct_properties); 87 88 self = G_FEN_DIRECTORY_MONITOR (obj); 89 90 dirname = G_LOCAL_DIRECTORY_MONITOR (self)->dirname; 91 g_assert (dirname != NULL); 92 93 /* Will never fail as is_supported() should be called before instanciating 94 * anyway */ 95 if (!fen_init ()) 96 g_assert_not_reached (); 97 98 /* FIXME: what to do about errors here? we can't return NULL or another 99 * kind of error and an assertion is probably too hard */ 100 self->sub = fen_sub_new (self, TRUE); 101 g_assert (self->sub); 102 103 fen_add (dirname, self->sub, TRUE); 104 105 return obj; 106 } 107 108 static gboolean 109 g_fen_directory_monitor_is_supported (void) 110 { 111 return fen_init (); 112 } 113 114 static void 115 g_fen_directory_monitor_class_init (GFenDirectoryMonitorClass* klass) 116 { 117 GObjectClass* gobject_class = G_OBJECT_CLASS (klass); 118 GFileMonitorClass *directory_monitor_class = G_FILE_MONITOR_CLASS (klass); 119 GLocalDirectoryMonitorClass *local_directory_monitor_class = G_LOCAL_DIRECTORY_MONITOR_CLASS (klass); 120 121 gobject_class->finalize = g_fen_directory_monitor_finalize; 122 gobject_class->constructor = g_fen_directory_monitor_constructor; 123 directory_monitor_class->cancel = g_fen_directory_monitor_cancel; 124 125 local_directory_monitor_class->mount_notify = TRUE; 126 local_directory_monitor_class->is_supported = g_fen_directory_monitor_is_supported; 127 } 128 129 static void 130 g_fen_directory_monitor_init (GFenDirectoryMonitor* monitor) 131 { 132 } 133 134 static gboolean 135 g_fen_directory_monitor_cancel (GFileMonitor* monitor) 136 { 137 GFenDirectoryMonitor *self = G_FEN_DIRECTORY_MONITOR (monitor); 138 139 if (self->sub) { 140 fen_remove (G_LOCAL_DIRECTORY_MONITOR (self)->dirname, self->sub, TRUE); 141 fen_sub_delete (self->sub); 142 self->sub = NULL; 143 } 144 145 if (G_FILE_MONITOR_CLASS (g_fen_directory_monitor_parent_class)->cancel) 146 (*G_FILE_MONITOR_CLASS (g_fen_directory_monitor_parent_class)->cancel) (monitor); 147 148 return TRUE; 149 } 150 151
