| /* GIO - GLib Input, Output and Streaming Library |
| * |
| * Copyright (C) 2006-2007 Red Hat, Inc. |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public |
| * License as published by the Free Software Foundation; either |
| * version 2 of the License, or (at your option) any later version. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General |
| * Public License along with this library; if not, see <http://www.gnu.org/licenses/>. |
| * |
| * Author: Alexander Larsson <alexl@redhat.com> |
| */ |
| |
| #include "config.h" |
| |
| #include "glocaldirectorymonitor.h" |
| #include "gunixmounts.h" |
| #include "giomodule-priv.h" |
| #include "gfile.h" |
| #include "gioerror.h" |
| #include "glibintl.h" |
| |
| #include <string.h> |
| |
| |
| enum |
| { |
| PROP_0, |
| PROP_DIRNAME, |
| PROP_FLAGS |
| }; |
| |
| static gboolean g_local_directory_monitor_cancel (GFileMonitor *monitor); |
| static void mounts_changed (GUnixMountMonitor *mount_monitor, |
| gpointer user_data); |
| |
| G_DEFINE_ABSTRACT_TYPE (GLocalDirectoryMonitor, g_local_directory_monitor, G_TYPE_FILE_MONITOR) |
| |
| static void |
| g_local_directory_monitor_finalize (GObject *object) |
| { |
| GLocalDirectoryMonitor *local_monitor; |
| local_monitor = G_LOCAL_DIRECTORY_MONITOR (object); |
| |
| g_free (local_monitor->dirname); |
| |
| if (local_monitor->mount_monitor) |
| { |
| g_signal_handlers_disconnect_by_func (local_monitor->mount_monitor, mounts_changed, local_monitor); |
| g_object_unref (local_monitor->mount_monitor); |
| local_monitor->mount_monitor = NULL; |
| } |
| |
| G_OBJECT_CLASS (g_local_directory_monitor_parent_class)->finalize (object); |
| } |
| |
| static void |
| g_local_directory_monitor_set_property (GObject *object, |
| guint property_id, |
| const GValue *value, |
| GParamSpec *pspec) |
| { |
| GLocalDirectoryMonitor *local_monitor = G_LOCAL_DIRECTORY_MONITOR (object); |
| |
| switch (property_id) |
| { |
| case PROP_DIRNAME: |
| local_monitor->dirname = g_value_dup_string (value); |
| break; |
| |
| case PROP_FLAGS: |
| local_monitor->flags = g_value_get_flags (value); |
| break; |
| |
| default: |
| G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); |
| break; |
| } |
| } |
| |
| void |
| g_local_directory_monitor_start (GLocalDirectoryMonitor *local_monitor) |
| { |
| GLocalDirectoryMonitorClass *class; |
| |
| class = G_LOCAL_DIRECTORY_MONITOR_GET_CLASS (local_monitor); |
| |
| if (!class->mount_notify && (local_monitor->flags & G_FILE_MONITOR_WATCH_MOUNTS)) |
| { |
| #ifdef G_OS_WIN32 |
| /*claim everything was mounted */ |
| local_monitor->was_mounted = TRUE; |
| #else |
| GUnixMountEntry *mount; |
| |
| /* Emulate unmount detection */ |
| |
| mount = g_unix_mount_at (local_monitor->dirname, NULL); |
| |
| local_monitor->was_mounted = mount != NULL; |
| |
| if (mount) |
| g_unix_mount_free (mount); |
| |
| local_monitor->mount_monitor = g_unix_mount_monitor_new (); |
| g_signal_connect_object (local_monitor->mount_monitor, "mounts-changed", |
| G_CALLBACK (mounts_changed), local_monitor, 0); |
| #endif |
| } |
| |
| if (class->start) |
| class->start (local_monitor); |
| } |
| |
| static void |
| g_local_directory_monitor_class_init (GLocalDirectoryMonitorClass* klass) |
| { |
| GObjectClass* gobject_class = G_OBJECT_CLASS (klass); |
| GFileMonitorClass *file_monitor_class = G_FILE_MONITOR_CLASS (klass); |
| |
| gobject_class->finalize = g_local_directory_monitor_finalize; |
| gobject_class->set_property = g_local_directory_monitor_set_property; |
| |
| file_monitor_class->cancel = g_local_directory_monitor_cancel; |
| |
| g_object_class_install_property (gobject_class, |
| PROP_DIRNAME, |
| g_param_spec_string ("dirname", |
| P_("Directory name"), |
| P_("Directory to monitor"), |
| NULL, |
| G_PARAM_CONSTRUCT_ONLY| |
| G_PARAM_WRITABLE| |
| G_PARAM_STATIC_NAME|G_PARAM_STATIC_NICK|G_PARAM_STATIC_BLURB)); |
| g_object_class_install_property (gobject_class, |
| PROP_FLAGS, |
| g_param_spec_flags ("flags", |
| P_("Monitor flags"), |
| P_("Monitor flags"), |
| G_TYPE_FILE_MONITOR_FLAGS, |
| 0, |
| G_PARAM_CONSTRUCT_ONLY| |
| G_PARAM_WRITABLE| |
| G_PARAM_STATIC_NAME|G_PARAM_STATIC_NICK|G_PARAM_STATIC_BLURB)); |
| |
| klass->mount_notify = FALSE; |
| } |
| |
| static void |
| g_local_directory_monitor_init (GLocalDirectoryMonitor *local_monitor) |
| { |
| } |
| |
| static void |
| mounts_changed (GUnixMountMonitor *mount_monitor, |
| gpointer user_data) |
| { |
| GLocalDirectoryMonitor *local_monitor = user_data; |
| #ifdef G_OS_UNIX |
| GUnixMountEntry *mount; |
| #endif |
| gboolean is_mounted; |
| GFile *file; |
| |
| /* Emulate unmount detection */ |
| #ifdef G_OS_UNIX |
| mount = g_unix_mount_at (local_monitor->dirname, NULL); |
| |
| is_mounted = mount != NULL; |
| |
| if (mount) |
| g_unix_mount_free (mount); |
| #else |
| /*claim everything was mounted */ |
| is_mounted = TRUE; |
| #endif |
| |
| if (local_monitor->was_mounted != is_mounted) |
| { |
| if (local_monitor->was_mounted && !is_mounted) |
| { |
| file = g_file_new_for_path (local_monitor->dirname); |
| g_file_monitor_emit_event (G_FILE_MONITOR (local_monitor), |
| file, NULL, |
| G_FILE_MONITOR_EVENT_UNMOUNTED); |
| g_object_unref (file); |
| } |
| local_monitor->was_mounted = is_mounted; |
| } |
| } |
| |
| GFileMonitor* |
| _g_local_directory_monitor_new (const char *dirname, |
| GFileMonitorFlags flags, |
| GMainContext *context, |
| gboolean is_remote_fs, |
| gboolean do_start, |
| GError **error) |
| { |
| GFileMonitor *monitor = NULL; |
| GType type = G_TYPE_INVALID; |
| |
| if (is_remote_fs) |
| type = _g_io_module_get_default_type (G_NFS_DIRECTORY_MONITOR_EXTENSION_POINT_NAME, |
| "GIO_USE_FILE_MONITOR", |
| G_STRUCT_OFFSET (GLocalDirectoryMonitorClass, is_supported)); |
| |
| if (type == G_TYPE_INVALID) |
| type = _g_io_module_get_default_type (G_LOCAL_DIRECTORY_MONITOR_EXTENSION_POINT_NAME, |
| "GIO_USE_FILE_MONITOR", |
| G_STRUCT_OFFSET (GLocalDirectoryMonitorClass, is_supported)); |
| |
| if (type != G_TYPE_INVALID) |
| monitor = G_FILE_MONITOR (g_object_new (type, "dirname", dirname, "flags", flags, "context", context, NULL)); |
| else |
| g_set_error_literal (error, G_IO_ERROR, G_IO_ERROR_FAILED, |
| _("Unable to find default local directory monitor type")); |
| |
| if (monitor && do_start) |
| g_local_directory_monitor_start (G_LOCAL_DIRECTORY_MONITOR (monitor)); |
| |
| return monitor; |
| } |
| |
| static gboolean |
| g_local_directory_monitor_cancel (GFileMonitor *monitor) |
| { |
| GLocalDirectoryMonitor *local_monitor = G_LOCAL_DIRECTORY_MONITOR (monitor); |
| |
| if (local_monitor->mount_monitor) |
| { |
| g_signal_handlers_disconnect_by_func (local_monitor->mount_monitor, mounts_changed, local_monitor); |
| g_object_unref (local_monitor->mount_monitor); |
| local_monitor->mount_monitor = NULL; |
| } |
| |
| return TRUE; |
| } |