[134] | 1 | /* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*- |
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| 2 | * |
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| 3 | * Copyright (C) 2004-2005 James M. Cape <jcape@ignore-your.tv>. |
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| 4 | * Copyright (C) 2007-2008 William Jon McCann <mccann@jhu.edu> |
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| 5 | * |
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| 6 | * This program is free software; you can redistribute it and/or modify |
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| 7 | * it under the terms of the GNU General Public License as published by |
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| 8 | * the Free Software Foundation; either version 2 of the License, or |
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| 9 | * (at your option) any later version. |
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| 10 | * |
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| 11 | * This program is distributed in the hope that it will be useful, |
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| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 14 | * GNU General Public License for more details. |
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| 15 | * |
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| 16 | * You should have received a copy of the GNU General Public License |
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| 17 | * along with this program; if not, write to the Free Software |
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| 18 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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| 19 | */ |
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| 20 | |
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| 21 | #include <config.h> |
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| 22 | |
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| 23 | #include <float.h> |
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| 24 | #include <string.h> |
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| 25 | #include <sys/types.h> |
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| 26 | #include <sys/stat.h> |
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| 27 | #include <unistd.h> |
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| 28 | |
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| 29 | #include <glib/gi18n.h> |
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| 30 | #include <gio/gio.h> |
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| 31 | #include <gtk/gtk.h> |
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| 32 | |
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| 33 | #include "gdm-user-manager.h" |
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| 34 | #include "gdm-user-private.h" |
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| 35 | |
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| 36 | #define GDM_USER_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GDM_TYPE_USER, GdmUserClass)) |
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| 37 | #define GDM_IS_USER_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GDM_TYPE_USER)) |
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| 38 | #define GDM_USER_GET_CLASS(object) (G_TYPE_INSTANCE_GET_CLASS ((object), GDM_TYPE_USER, GdmUserClass)) |
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| 39 | |
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| 40 | #define GLOBAL_FACEDIR DATADIR "/faces" |
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| 41 | #define MAX_ICON_SIZE 128 |
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| 42 | #define MAX_FILE_SIZE 65536 |
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| 43 | #define MINIMAL_UID 100 |
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| 44 | |
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| 45 | enum { |
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| 46 | PROP_0, |
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| 47 | PROP_MANAGER, |
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| 48 | PROP_REAL_NAME, |
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| 49 | PROP_DISPLAY_NAME, |
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| 50 | PROP_USER_NAME, |
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| 51 | PROP_UID, |
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| 52 | PROP_HOME_DIR, |
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| 53 | PROP_SHELL, |
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| 54 | PROP_LOGIN_FREQUENCY, |
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| 55 | }; |
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| 56 | |
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| 57 | enum { |
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| 58 | ICON_CHANGED, |
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| 59 | SESSIONS_CHANGED, |
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| 60 | LAST_SIGNAL |
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| 61 | }; |
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| 62 | |
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| 63 | struct _GdmUser { |
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| 64 | GObject parent; |
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| 65 | |
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| 66 | GdmUserManager *manager; |
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| 67 | |
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| 68 | uid_t uid; |
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| 69 | char *user_name; |
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| 70 | char *real_name; |
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| 71 | char *display_name; |
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| 72 | char *home_dir; |
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| 73 | char *shell; |
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| 74 | GList *sessions; |
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| 75 | gulong login_frequency; |
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| 76 | |
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| 77 | GFileMonitor *icon_monitor; |
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| 78 | }; |
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| 79 | |
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| 80 | typedef struct _GdmUserClass |
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| 81 | { |
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| 82 | GObjectClass parent_class; |
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| 83 | |
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| 84 | void (* icon_changed) (GdmUser *user); |
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| 85 | void (* sessions_changed) (GdmUser *user); |
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| 86 | } GdmUserClass; |
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| 87 | |
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| 88 | static void gdm_user_finalize (GObject *object); |
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| 89 | |
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| 90 | static guint signals[LAST_SIGNAL] = { 0 }; |
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| 91 | |
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| 92 | G_DEFINE_TYPE (GdmUser, gdm_user, G_TYPE_OBJECT) |
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| 93 | |
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| 94 | static int |
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| 95 | session_compare (const char *a, |
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| 96 | const char *b) |
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| 97 | { |
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| 98 | if (a == NULL) { |
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| 99 | return 1; |
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| 100 | } else if (b == NULL) { |
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| 101 | return -1; |
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| 102 | } |
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| 103 | |
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| 104 | return strcmp (a, b); |
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| 105 | } |
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| 106 | |
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| 107 | void |
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| 108 | _gdm_user_add_session (GdmUser *user, |
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| 109 | const char *ssid) |
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| 110 | { |
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| 111 | GList *li; |
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| 112 | |
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| 113 | g_return_if_fail (GDM_IS_USER (user)); |
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| 114 | g_return_if_fail (ssid != NULL); |
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| 115 | |
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| 116 | li = g_list_find_custom (user->sessions, ssid, (GCompareFunc)session_compare); |
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| 117 | if (li == NULL) { |
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| 118 | g_debug ("GdmUser: adding session %s", ssid); |
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| 119 | user->sessions = g_list_prepend (user->sessions, g_strdup (ssid)); |
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| 120 | g_signal_emit (user, signals[SESSIONS_CHANGED], 0); |
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| 121 | } else { |
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| 122 | g_debug ("GdmUser: session already present: %s", ssid); |
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| 123 | } |
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| 124 | } |
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| 125 | |
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| 126 | void |
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| 127 | _gdm_user_remove_session (GdmUser *user, |
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| 128 | const char *ssid) |
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| 129 | { |
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| 130 | GList *li; |
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| 131 | |
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| 132 | g_return_if_fail (GDM_IS_USER (user)); |
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| 133 | g_return_if_fail (ssid != NULL); |
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| 134 | |
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| 135 | li = g_list_find_custom (user->sessions, ssid, (GCompareFunc)session_compare); |
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| 136 | if (li != NULL) { |
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| 137 | g_debug ("GdmUser: removing session %s", ssid); |
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| 138 | g_free (li->data); |
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| 139 | user->sessions = g_list_delete_link (user->sessions, li); |
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| 140 | g_signal_emit (user, signals[SESSIONS_CHANGED], 0); |
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| 141 | } else { |
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| 142 | g_debug ("GdmUser: session not found: %s", ssid); |
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| 143 | } |
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| 144 | } |
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| 145 | |
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| 146 | guint |
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| 147 | gdm_user_get_num_sessions (GdmUser *user) |
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| 148 | { |
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| 149 | return g_list_length (user->sessions); |
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| 150 | } |
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| 151 | |
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| 152 | GList * |
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| 153 | gdm_user_get_sessions (GdmUser *user) |
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| 154 | { |
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| 155 | return user->sessions; |
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| 156 | } |
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| 157 | |
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| 158 | static void |
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| 159 | _gdm_user_set_login_frequency (GdmUser *user, |
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| 160 | gulong login_frequency) |
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| 161 | { |
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| 162 | user->login_frequency = login_frequency; |
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| 163 | g_object_notify (G_OBJECT (user), "login-frequency"); |
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| 164 | } |
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| 165 | |
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| 166 | static void |
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| 167 | gdm_user_set_property (GObject *object, |
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| 168 | guint param_id, |
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| 169 | const GValue *value, |
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| 170 | GParamSpec *pspec) |
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| 171 | { |
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| 172 | GdmUser *user; |
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| 173 | |
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| 174 | user = GDM_USER (object); |
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| 175 | |
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| 176 | switch (param_id) { |
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| 177 | case PROP_MANAGER: |
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| 178 | user->manager = g_value_get_object (value); |
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| 179 | g_assert (user->manager); |
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| 180 | break; |
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| 181 | case PROP_LOGIN_FREQUENCY: |
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| 182 | _gdm_user_set_login_frequency (user, g_value_get_ulong (value)); |
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| 183 | break; |
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| 184 | default: |
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| 185 | G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec); |
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| 186 | break; |
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| 187 | } |
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| 188 | } |
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| 189 | |
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| 190 | static void |
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| 191 | gdm_user_get_property (GObject *object, |
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| 192 | guint param_id, |
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| 193 | GValue *value, |
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| 194 | GParamSpec *pspec) |
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| 195 | { |
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| 196 | GdmUser *user; |
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| 197 | |
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| 198 | user = GDM_USER (object); |
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| 199 | |
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| 200 | switch (param_id) { |
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| 201 | case PROP_MANAGER: |
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| 202 | g_value_set_object (value, user->manager); |
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| 203 | break; |
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| 204 | case PROP_USER_NAME: |
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| 205 | g_value_set_string (value, user->user_name); |
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| 206 | break; |
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| 207 | case PROP_REAL_NAME: |
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| 208 | g_value_set_string (value, user->real_name); |
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| 209 | break; |
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| 210 | case PROP_DISPLAY_NAME: |
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| 211 | g_value_set_string (value, user->display_name); |
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| 212 | break; |
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| 213 | case PROP_HOME_DIR: |
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| 214 | g_value_set_string (value, user->home_dir); |
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| 215 | break; |
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| 216 | case PROP_UID: |
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| 217 | g_value_set_ulong (value, user->uid); |
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| 218 | break; |
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| 219 | case PROP_SHELL: |
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| 220 | g_value_set_string (value, user->shell); |
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| 221 | break; |
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| 222 | case PROP_LOGIN_FREQUENCY: |
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| 223 | g_value_set_ulong (value, user->login_frequency); |
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| 224 | break; |
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| 225 | default: |
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| 226 | G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec); |
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| 227 | break; |
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| 228 | } |
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| 229 | } |
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| 230 | |
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| 231 | static void |
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| 232 | gdm_user_class_init (GdmUserClass *class) |
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| 233 | { |
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| 234 | GObjectClass *gobject_class; |
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| 235 | |
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| 236 | gobject_class = G_OBJECT_CLASS (class); |
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| 237 | |
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| 238 | gobject_class->set_property = gdm_user_set_property; |
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| 239 | gobject_class->get_property = gdm_user_get_property; |
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| 240 | gobject_class->finalize = gdm_user_finalize; |
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| 241 | |
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| 242 | g_object_class_install_property (gobject_class, |
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| 243 | PROP_MANAGER, |
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| 244 | g_param_spec_object ("manager", |
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| 245 | _("Manager"), |
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| 246 | _("The user manager object this user is controlled by."), |
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| 247 | GDM_TYPE_USER_MANAGER, |
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| 248 | (G_PARAM_READWRITE | |
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| 249 | G_PARAM_CONSTRUCT_ONLY))); |
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| 250 | |
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| 251 | g_object_class_install_property (gobject_class, |
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| 252 | PROP_REAL_NAME, |
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| 253 | g_param_spec_string ("real-name", |
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| 254 | "Real Name", |
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| 255 | "The real name to display for this user.", |
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| 256 | NULL, |
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| 257 | G_PARAM_READABLE)); |
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| 258 | |
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| 259 | g_object_class_install_property (gobject_class, |
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| 260 | PROP_DISPLAY_NAME, |
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| 261 | g_param_spec_string ("display-name", |
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| 262 | "Display Name", |
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| 263 | "The unique name to display for this user.", |
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| 264 | NULL, |
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| 265 | G_PARAM_READABLE)); |
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| 266 | |
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| 267 | g_object_class_install_property (gobject_class, |
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| 268 | PROP_UID, |
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| 269 | g_param_spec_ulong ("uid", |
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| 270 | "User ID", |
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| 271 | "The UID for this user.", |
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| 272 | 0, G_MAXULONG, 0, |
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| 273 | G_PARAM_READABLE)); |
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| 274 | g_object_class_install_property (gobject_class, |
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| 275 | PROP_USER_NAME, |
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| 276 | g_param_spec_string ("user-name", |
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| 277 | "User Name", |
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| 278 | "The login name for this user.", |
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| 279 | NULL, |
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| 280 | G_PARAM_READABLE)); |
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| 281 | g_object_class_install_property (gobject_class, |
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| 282 | PROP_HOME_DIR, |
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| 283 | g_param_spec_string ("home-directory", |
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| 284 | "Home Directory", |
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| 285 | "The home directory for this user.", |
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| 286 | NULL, |
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| 287 | G_PARAM_READABLE)); |
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| 288 | g_object_class_install_property (gobject_class, |
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| 289 | PROP_SHELL, |
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| 290 | g_param_spec_string ("shell", |
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| 291 | "Shell", |
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| 292 | "The shell for this user.", |
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| 293 | NULL, |
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| 294 | G_PARAM_READABLE)); |
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| 295 | g_object_class_install_property (gobject_class, |
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| 296 | PROP_LOGIN_FREQUENCY, |
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| 297 | g_param_spec_ulong ("login-frequency", |
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| 298 | "login frequency", |
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| 299 | "login frequency", |
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| 300 | 0, |
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| 301 | G_MAXULONG, |
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| 302 | 0, |
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| 303 | G_PARAM_READWRITE | G_PARAM_CONSTRUCT)); |
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| 304 | |
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| 305 | signals [ICON_CHANGED] = |
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| 306 | g_signal_new ("icon-changed", |
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| 307 | G_TYPE_FROM_CLASS (class), |
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| 308 | G_SIGNAL_RUN_LAST, |
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| 309 | G_STRUCT_OFFSET (GdmUserClass, icon_changed), |
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| 310 | NULL, NULL, |
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| 311 | g_cclosure_marshal_VOID__VOID, |
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| 312 | G_TYPE_NONE, 0); |
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| 313 | signals [SESSIONS_CHANGED] = |
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| 314 | g_signal_new ("sessions-changed", |
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| 315 | G_TYPE_FROM_CLASS (class), |
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| 316 | G_SIGNAL_RUN_LAST, |
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| 317 | G_STRUCT_OFFSET (GdmUserClass, sessions_changed), |
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| 318 | NULL, NULL, |
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| 319 | g_cclosure_marshal_VOID__VOID, |
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| 320 | G_TYPE_NONE, 0); |
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| 321 | } |
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| 322 | |
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| 323 | |
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| 324 | static void |
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| 325 | on_icon_monitor_changed (GFileMonitor *monitor, |
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| 326 | GFile *file, |
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| 327 | GFile *other_file, |
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| 328 | GFileMonitorEvent event_type, |
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| 329 | GdmUser *user) |
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| 330 | { |
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| 331 | g_debug ("Icon changed: %d", event_type); |
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| 332 | |
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| 333 | if (event_type != G_FILE_MONITOR_EVENT_CHANGED && |
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| 334 | event_type != G_FILE_MONITOR_EVENT_CREATED) { |
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| 335 | return; |
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| 336 | } |
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| 337 | |
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| 338 | _gdm_user_icon_changed (user); |
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| 339 | } |
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| 340 | |
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| 341 | static void |
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| 342 | update_icon_monitor (GdmUser *user) |
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| 343 | { |
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| 344 | GFile *file; |
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| 345 | GError *error; |
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| 346 | char *path; |
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| 347 | |
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| 348 | if (user->home_dir == NULL) { |
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| 349 | return; |
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| 350 | } |
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| 351 | |
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| 352 | if (user->icon_monitor != NULL) { |
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| 353 | g_file_monitor_cancel (user->icon_monitor); |
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| 354 | user->icon_monitor = NULL; |
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| 355 | } |
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| 356 | |
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| 357 | path = g_build_filename (user->home_dir, ".face", NULL); |
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| 358 | g_debug ("adding monitor for '%s'", path); |
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| 359 | file = g_file_new_for_path (path); |
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| 360 | error = NULL; |
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| 361 | user->icon_monitor = g_file_monitor_file (file, |
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| 362 | G_FILE_MONITOR_NONE, |
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| 363 | NULL, |
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| 364 | &error); |
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| 365 | if (user->icon_monitor != NULL) { |
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| 366 | g_signal_connect (user->icon_monitor, |
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| 367 | "changed", |
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| 368 | G_CALLBACK (on_icon_monitor_changed), |
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| 369 | user); |
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| 370 | } else { |
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| 371 | g_warning ("Unable to monitor %s: %s", path, error->message); |
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| 372 | g_error_free (error); |
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| 373 | } |
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| 374 | g_object_unref (file); |
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| 375 | g_free (path); |
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| 376 | } |
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| 377 | |
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| 378 | static void |
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| 379 | gdm_user_init (GdmUser *user) |
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| 380 | { |
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| 381 | user->manager = NULL; |
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| 382 | user->user_name = NULL; |
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| 383 | user->real_name = NULL; |
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| 384 | user->display_name = NULL; |
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| 385 | user->sessions = NULL; |
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| 386 | } |
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| 387 | |
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| 388 | static void |
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| 389 | gdm_user_finalize (GObject *object) |
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| 390 | { |
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| 391 | GdmUser *user; |
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| 392 | |
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| 393 | user = GDM_USER (object); |
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| 394 | |
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| 395 | g_file_monitor_cancel (user->icon_monitor); |
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| 396 | |
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| 397 | g_free (user->user_name); |
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| 398 | g_free (user->real_name); |
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| 399 | g_free (user->display_name); |
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| 400 | |
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| 401 | if (G_OBJECT_CLASS (gdm_user_parent_class)->finalize) |
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| 402 | (*G_OBJECT_CLASS (gdm_user_parent_class)->finalize) (object); |
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| 403 | } |
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| 404 | |
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| 405 | /** |
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| 406 | * _gdm_user_update: |
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| 407 | * @user: the user object to update. |
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| 408 | * @pwent: the user data to use. |
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| 409 | * |
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| 410 | * Updates the properties of @user using the data in @pwent. |
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| 411 | * |
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| 412 | * Since: 1.0 |
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| 413 | **/ |
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| 414 | void |
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| 415 | _gdm_user_update (GdmUser *user, |
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| 416 | const struct passwd *pwent) |
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| 417 | { |
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| 418 | gchar *real_name; |
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| 419 | |
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| 420 | g_return_if_fail (GDM_IS_USER (user)); |
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| 421 | g_return_if_fail (pwent != NULL); |
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| 422 | |
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| 423 | g_object_freeze_notify (G_OBJECT (user)); |
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| 424 | |
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| 425 | /* Display Name */ |
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| 426 | if (pwent->pw_gecos && pwent->pw_gecos[0] != '\0') { |
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| 427 | gchar *first_comma; |
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| 428 | gchar *real_name_utf8; |
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| 429 | |
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| 430 | real_name_utf8 = g_locale_to_utf8 (pwent->pw_gecos, -1, NULL, NULL, NULL); |
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| 431 | |
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| 432 | first_comma = strchr (real_name_utf8, ','); |
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| 433 | if (first_comma) { |
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| 434 | real_name = g_strndup (real_name_utf8, first_comma - real_name_utf8); |
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| 435 | g_free (real_name_utf8); |
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| 436 | } else { |
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| 437 | real_name = real_name_utf8; |
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| 438 | } |
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| 439 | |
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| 440 | if (real_name[0] == '\0') { |
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| 441 | g_free (real_name); |
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| 442 | real_name = NULL; |
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| 443 | } |
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| 444 | } else { |
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| 445 | real_name = NULL; |
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| 446 | } |
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| 447 | |
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| 448 | if ((real_name && !user->real_name) || |
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| 449 | (!real_name && user->real_name) || |
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| 450 | (real_name && |
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| 451 | user->real_name && |
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| 452 | strcmp (real_name, user->real_name) != 0)) { |
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| 453 | g_free (user->real_name); |
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| 454 | user->real_name = real_name; |
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| 455 | g_object_notify (G_OBJECT (user), "real-name"); |
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| 456 | } else { |
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| 457 | g_free (real_name); |
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| 458 | } |
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| 459 | |
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| 460 | /* Unique Display Name */ |
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| 461 | if ((!user->real_name && user->display_name) || |
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| 462 | (user->real_name && |
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| 463 | user->display_name && |
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| 464 | strncmp (user->real_name, user->display_name, strlen (user->real_name)) != 0)) { |
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| 465 | g_free (user->display_name); |
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| 466 | user->display_name = NULL; |
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| 467 | g_object_notify (G_OBJECT (user), "display-name"); |
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| 468 | } |
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| 469 | |
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| 470 | /* UID */ |
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| 471 | if (pwent->pw_uid != user->uid) { |
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| 472 | user->uid = pwent->pw_uid; |
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| 473 | g_object_notify (G_OBJECT (user), "uid"); |
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| 474 | } |
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| 475 | |
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| 476 | /* Username */ |
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| 477 | if ((pwent->pw_name && !user->user_name) || |
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| 478 | (!pwent->pw_name && user->user_name) || |
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| 479 | (pwent->pw_name && |
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| 480 | user->user_name && |
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| 481 | strcmp (user->user_name, pwent->pw_name) != 0)) { |
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| 482 | g_free (user->user_name); |
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| 483 | user->user_name = g_strdup (pwent->pw_name); |
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| 484 | g_object_notify (G_OBJECT (user), "user-name"); |
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| 485 | } |
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| 486 | |
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| 487 | /* Home Directory */ |
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| 488 | if ((pwent->pw_dir && !user->home_dir) || |
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| 489 | (!pwent->pw_dir && user->home_dir) || |
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| 490 | strcmp (user->home_dir, pwent->pw_dir) != 0) { |
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| 491 | g_free (user->home_dir); |
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| 492 | user->home_dir = g_strdup (pwent->pw_dir); |
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| 493 | g_object_notify (G_OBJECT (user), "home-directory"); |
---|
| 494 | g_signal_emit (user, signals[ICON_CHANGED], 0); |
---|
| 495 | } |
---|
| 496 | |
---|
| 497 | /* Shell */ |
---|
| 498 | if ((pwent->pw_shell && !user->shell) || |
---|
| 499 | (!pwent->pw_shell && user->shell) || |
---|
| 500 | (pwent->pw_shell && |
---|
| 501 | user->shell && |
---|
| 502 | strcmp (user->shell, pwent->pw_shell) != 0)) { |
---|
| 503 | g_free (user->shell); |
---|
| 504 | user->shell = g_strdup (pwent->pw_shell); |
---|
| 505 | g_object_notify (G_OBJECT (user), "shell"); |
---|
| 506 | } |
---|
| 507 | |
---|
| 508 | update_icon_monitor (user); |
---|
| 509 | |
---|
| 510 | g_object_thaw_notify (G_OBJECT (user)); |
---|
| 511 | } |
---|
| 512 | |
---|
| 513 | /** |
---|
| 514 | * _gdm_user_icon_changed: |
---|
| 515 | * @user: the user to emit the signal for. |
---|
| 516 | * |
---|
| 517 | * Emits the "icon-changed" signal for @user. |
---|
| 518 | * |
---|
| 519 | * Since: 1.0 |
---|
| 520 | **/ |
---|
| 521 | void |
---|
| 522 | _gdm_user_icon_changed (GdmUser *user) |
---|
| 523 | { |
---|
| 524 | g_return_if_fail (GDM_IS_USER (user)); |
---|
| 525 | |
---|
| 526 | g_signal_emit (user, signals[ICON_CHANGED], 0); |
---|
| 527 | } |
---|
| 528 | |
---|
| 529 | /** |
---|
| 530 | * gdm_user_get_uid: |
---|
| 531 | * @user: the user object to examine. |
---|
| 532 | * |
---|
| 533 | * Retrieves the ID of @user. |
---|
| 534 | * |
---|
| 535 | * Returns: a pointer to an array of characters which must not be modified or |
---|
| 536 | * freed, or %NULL. |
---|
| 537 | * |
---|
| 538 | * Since: 1.0 |
---|
| 539 | **/ |
---|
| 540 | |
---|
| 541 | uid_t |
---|
| 542 | gdm_user_get_uid (GdmUser *user) |
---|
| 543 | { |
---|
| 544 | g_return_val_if_fail (GDM_IS_USER (user), -1); |
---|
| 545 | |
---|
| 546 | return user->uid; |
---|
| 547 | } |
---|
| 548 | |
---|
| 549 | /** |
---|
| 550 | * gdm_user_get_real_name: |
---|
| 551 | * @user: the user object to examine. |
---|
| 552 | * |
---|
| 553 | * Retrieves the display name of @user. |
---|
| 554 | * |
---|
| 555 | * Returns: a pointer to an array of characters which must not be modified or |
---|
| 556 | * freed, or %NULL. |
---|
| 557 | * |
---|
| 558 | * Since: 1.0 |
---|
| 559 | **/ |
---|
| 560 | G_CONST_RETURN gchar * |
---|
| 561 | gdm_user_get_real_name (GdmUser *user) |
---|
| 562 | { |
---|
| 563 | g_return_val_if_fail (GDM_IS_USER (user), NULL); |
---|
| 564 | |
---|
| 565 | return (user->real_name ? user->real_name : user->user_name); |
---|
| 566 | } |
---|
| 567 | |
---|
| 568 | /** |
---|
| 569 | * gdm_user_get_display_name: |
---|
| 570 | * @user: the user object to examine. |
---|
| 571 | * |
---|
| 572 | * Retrieves the unique display name of @user. |
---|
| 573 | * |
---|
| 574 | * Returns: a pointer to an array of characters which must not be modified or |
---|
| 575 | * freed, or %NULL. |
---|
| 576 | * |
---|
| 577 | * Since: 1.0 |
---|
| 578 | **/ |
---|
| 579 | G_CONST_RETURN gchar * |
---|
| 580 | gdm_user_get_display_name (GdmUser *user) |
---|
| 581 | { |
---|
| 582 | g_return_val_if_fail (GDM_IS_USER (user), NULL); |
---|
| 583 | |
---|
| 584 | return (user->display_name ? user->display_name |
---|
| 585 | : gdm_user_get_real_name (user)); |
---|
| 586 | } |
---|
| 587 | |
---|
| 588 | /** |
---|
| 589 | * gdm_user_get_user_name: |
---|
| 590 | * @user: the user object to examine. |
---|
| 591 | * |
---|
| 592 | * Retrieves the login name of @user. |
---|
| 593 | * |
---|
| 594 | * Returns: a pointer to an array of characters which must not be modified or |
---|
| 595 | * freed, or %NULL. |
---|
| 596 | * |
---|
| 597 | * Since: 1.0 |
---|
| 598 | **/ |
---|
| 599 | |
---|
| 600 | G_CONST_RETURN gchar * |
---|
| 601 | gdm_user_get_user_name (GdmUser *user) |
---|
| 602 | { |
---|
| 603 | g_return_val_if_fail (GDM_IS_USER (user), NULL); |
---|
| 604 | |
---|
| 605 | return user->user_name; |
---|
| 606 | } |
---|
| 607 | |
---|
| 608 | /** |
---|
| 609 | * gdm_user_get_home_directory: |
---|
| 610 | * @user: the user object to examine. |
---|
| 611 | * |
---|
| 612 | * Retrieves the home directory of @user. |
---|
| 613 | * |
---|
| 614 | * Returns: a pointer to an array of characters which must not be modified or |
---|
| 615 | * freed, or %NULL. |
---|
| 616 | * |
---|
| 617 | * Since: 1.0 |
---|
| 618 | **/ |
---|
| 619 | |
---|
| 620 | G_CONST_RETURN gchar * |
---|
| 621 | gdm_user_get_home_directory (GdmUser *user) |
---|
| 622 | { |
---|
| 623 | g_return_val_if_fail (GDM_IS_USER (user), NULL); |
---|
| 624 | |
---|
| 625 | return user->home_dir; |
---|
| 626 | } |
---|
| 627 | |
---|
| 628 | /** |
---|
| 629 | * gdm_user_get_shell: |
---|
| 630 | * @user: the user object to examine. |
---|
| 631 | * |
---|
| 632 | * Retrieves the login shell of @user. |
---|
| 633 | * |
---|
| 634 | * Returns: a pointer to an array of characters which must not be modified or |
---|
| 635 | * freed, or %NULL. |
---|
| 636 | * |
---|
| 637 | * Since: 1.0 |
---|
| 638 | **/ |
---|
| 639 | |
---|
| 640 | G_CONST_RETURN gchar * |
---|
| 641 | gdm_user_get_shell (GdmUser *user) |
---|
| 642 | { |
---|
| 643 | g_return_val_if_fail (GDM_IS_USER (user), NULL); |
---|
| 644 | |
---|
| 645 | return user->shell; |
---|
| 646 | } |
---|
| 647 | |
---|
| 648 | gulong |
---|
| 649 | gdm_user_get_login_frequency (GdmUser *user) |
---|
| 650 | { |
---|
| 651 | g_return_val_if_fail (GDM_IS_USER (user), 0); |
---|
| 652 | |
---|
| 653 | return user->login_frequency; |
---|
| 654 | } |
---|
| 655 | |
---|
| 656 | /** |
---|
| 657 | * _gdm_user_show_full_display_name: |
---|
| 658 | * @user: the user object to examine. |
---|
| 659 | * |
---|
| 660 | * Updates the unique display name of @user to "Real Name (username)". |
---|
| 661 | * |
---|
| 662 | * Since: 1.0 |
---|
| 663 | **/ |
---|
| 664 | void |
---|
| 665 | _gdm_user_show_full_display_name (GdmUser *user) |
---|
| 666 | { |
---|
| 667 | char *uniq_name; |
---|
| 668 | |
---|
| 669 | g_return_if_fail (GDM_IS_USER (user)); |
---|
| 670 | |
---|
| 671 | if (user->real_name != NULL) { |
---|
| 672 | uniq_name = g_strdup_printf ("%s (%s)", |
---|
| 673 | user->real_name, |
---|
| 674 | user->user_name); |
---|
| 675 | } else { |
---|
| 676 | uniq_name = NULL; |
---|
| 677 | } |
---|
| 678 | |
---|
| 679 | if ((user->real_name && !user->display_name) || |
---|
| 680 | (!user->real_name && user->display_name) || |
---|
| 681 | (user->real_name && |
---|
| 682 | user->display_name && |
---|
| 683 | strcmp (uniq_name, user->display_name) != 0)) { |
---|
| 684 | g_free (user->display_name); |
---|
| 685 | user->display_name = uniq_name; |
---|
| 686 | g_object_notify (G_OBJECT (user), "display-name"); |
---|
| 687 | } else { |
---|
| 688 | g_free (uniq_name); |
---|
| 689 | } |
---|
| 690 | } |
---|
| 691 | |
---|
| 692 | /** |
---|
| 693 | * _gdm_user_show_short_display_name: |
---|
| 694 | * @user: the user object to examine. |
---|
| 695 | * |
---|
| 696 | * Resets the unique display name of @user. |
---|
| 697 | * |
---|
| 698 | * Since: 1.0 |
---|
| 699 | **/ |
---|
| 700 | void |
---|
| 701 | _gdm_user_show_short_display_name (GdmUser *user) |
---|
| 702 | { |
---|
| 703 | g_return_if_fail (GDM_IS_USER (user)); |
---|
| 704 | |
---|
| 705 | if (user->display_name) { |
---|
| 706 | g_free (user->display_name); |
---|
| 707 | user->display_name = NULL; |
---|
| 708 | g_object_notify (G_OBJECT (user), "display-name"); |
---|
| 709 | } |
---|
| 710 | } |
---|
| 711 | |
---|
| 712 | int |
---|
| 713 | gdm_user_collate (GdmUser *user1, |
---|
| 714 | GdmUser *user2) |
---|
| 715 | { |
---|
| 716 | const char *str1; |
---|
| 717 | const char *str2; |
---|
| 718 | gulong num1; |
---|
| 719 | gulong num2; |
---|
| 720 | |
---|
| 721 | g_return_val_if_fail (GDM_IS_USER (user1), 0); |
---|
| 722 | g_return_val_if_fail (GDM_IS_USER (user2), 0); |
---|
| 723 | |
---|
| 724 | if (user1->real_name != NULL) { |
---|
| 725 | str1 = user1->real_name; |
---|
| 726 | } else { |
---|
| 727 | str1 = user1->user_name; |
---|
| 728 | } |
---|
| 729 | |
---|
| 730 | if (user2->real_name != NULL) { |
---|
| 731 | str2 = user2->real_name; |
---|
| 732 | } else { |
---|
| 733 | str2 = user2->user_name; |
---|
| 734 | } |
---|
| 735 | |
---|
| 736 | num1 = user1->login_frequency; |
---|
| 737 | num2 = user2->login_frequency; |
---|
| 738 | g_debug ("Login freq 1=%u 2=%u", (guint)num1, (guint)num2); |
---|
| 739 | if (num1 > num2) { |
---|
| 740 | return -1; |
---|
| 741 | } |
---|
| 742 | |
---|
| 743 | if (num1 < num2) { |
---|
| 744 | return 1; |
---|
| 745 | } |
---|
| 746 | |
---|
| 747 | /* if login frequency is equal try names */ |
---|
| 748 | if (str1 == NULL && str2 != NULL) { |
---|
| 749 | return -1; |
---|
| 750 | } |
---|
| 751 | |
---|
| 752 | if (str1 != NULL && str2 == NULL) { |
---|
| 753 | return 1; |
---|
| 754 | } |
---|
| 755 | |
---|
| 756 | if (str1 == NULL && str2 == NULL) { |
---|
| 757 | return 0; |
---|
| 758 | } |
---|
| 759 | |
---|
| 760 | return g_utf8_collate (str1, str2); |
---|
| 761 | } |
---|
| 762 | |
---|
| 763 | static gboolean |
---|
| 764 | check_user_file (const char *filename, |
---|
| 765 | gssize max_file_size) |
---|
| 766 | { |
---|
| 767 | struct stat fileinfo; |
---|
| 768 | |
---|
| 769 | if (max_file_size < 0) { |
---|
| 770 | max_file_size = G_MAXSIZE; |
---|
| 771 | } |
---|
| 772 | |
---|
| 773 | /* Exists/Readable? */ |
---|
| 774 | if (stat (filename, &fileinfo) < 0) { |
---|
| 775 | g_debug ("File does not exist"); |
---|
| 776 | return FALSE; |
---|
| 777 | } |
---|
| 778 | |
---|
| 779 | /* Is a regular file */ |
---|
| 780 | if (G_UNLIKELY (!S_ISREG (fileinfo.st_mode))) { |
---|
| 781 | g_debug ("File is not a regular file"); |
---|
| 782 | return FALSE; |
---|
| 783 | } |
---|
| 784 | |
---|
| 785 | /* Size is kosher? */ |
---|
| 786 | if (G_UNLIKELY (fileinfo.st_size > max_file_size)) { |
---|
| 787 | g_debug ("File is too large"); |
---|
| 788 | return FALSE; |
---|
| 789 | } |
---|
| 790 | |
---|
| 791 | return TRUE; |
---|
| 792 | } |
---|
| 793 | |
---|
| 794 | static char * |
---|
| 795 | get_filesystem_type (const char *path) |
---|
| 796 | { |
---|
| 797 | GFile *file; |
---|
| 798 | GFileInfo *file_info; |
---|
| 799 | GError *error; |
---|
| 800 | char *filesystem_type; |
---|
| 801 | |
---|
| 802 | file = g_file_new_for_path (path); |
---|
| 803 | error = NULL; |
---|
| 804 | file_info = g_file_query_filesystem_info (file, |
---|
| 805 | G_FILE_ATTRIBUTE_FILESYSTEM_TYPE, |
---|
| 806 | NULL, |
---|
| 807 | &error); |
---|
| 808 | if (file_info == NULL) { |
---|
| 809 | g_warning ("Unable to query filesystem type for %s: %s", path, error->message); |
---|
| 810 | g_error_free (error); |
---|
| 811 | g_object_unref (file); |
---|
| 812 | return NULL; |
---|
| 813 | } |
---|
| 814 | |
---|
| 815 | filesystem_type = g_strdup (g_file_info_get_attribute_string (file_info, |
---|
| 816 | G_FILE_ATTRIBUTE_FILESYSTEM_TYPE)); |
---|
| 817 | if (filesystem_type == NULL) { |
---|
| 818 | g_warning ("GIO returned NULL filesystem type for %s", path); |
---|
| 819 | } |
---|
| 820 | |
---|
| 821 | g_object_unref (file); |
---|
| 822 | g_object_unref (file_info); |
---|
| 823 | |
---|
| 824 | return filesystem_type; |
---|
| 825 | } |
---|
| 826 | |
---|
| 827 | static GdkPixbuf * |
---|
| 828 | render_icon_from_cache (GdmUser *user, |
---|
| 829 | int icon_size) |
---|
| 830 | { |
---|
| 831 | GdkPixbuf *retval; |
---|
| 832 | char *path; |
---|
| 833 | gboolean is_autofs; |
---|
| 834 | gboolean res; |
---|
| 835 | char *filesystem_type; |
---|
| 836 | |
---|
| 837 | path = g_build_filename (GDM_CACHE_DIR, user->user_name, "face", NULL); |
---|
| 838 | res = check_user_file (path, |
---|
| 839 | MAX_FILE_SIZE); |
---|
| 840 | if (res) { |
---|
| 841 | retval = gdk_pixbuf_new_from_file_at_size (path, |
---|
| 842 | icon_size, |
---|
| 843 | icon_size, |
---|
| 844 | NULL); |
---|
| 845 | } else { |
---|
| 846 | g_debug ("Could not access face icon %s", path); |
---|
| 847 | retval = NULL; |
---|
| 848 | } |
---|
| 849 | g_free (path); |
---|
| 850 | |
---|
| 851 | return retval; |
---|
| 852 | } |
---|
| 853 | |
---|
| 854 | static void |
---|
| 855 | curved_rectangle (cairo_t *cr, |
---|
| 856 | double x0, |
---|
| 857 | double y0, |
---|
| 858 | double width, |
---|
| 859 | double height, |
---|
| 860 | double radius) |
---|
| 861 | { |
---|
| 862 | double x1; |
---|
| 863 | double y1; |
---|
| 864 | |
---|
| 865 | x1 = x0 + width; |
---|
| 866 | y1 = y0 + height; |
---|
| 867 | |
---|
| 868 | if (width < FLT_EPSILON || height < FLT_EPSILON) { |
---|
| 869 | return; |
---|
| 870 | } |
---|
| 871 | |
---|
| 872 | if (width / 2 < radius) { |
---|
| 873 | if (height / 2 < radius) { |
---|
| 874 | cairo_move_to (cr, x0, (y0 + y1) / 2); |
---|
| 875 | cairo_curve_to (cr, x0 ,y0, x0, y0, (x0 + x1) / 2, y0); |
---|
| 876 | cairo_curve_to (cr, x1, y0, x1, y0, x1, (y0 + y1) / 2); |
---|
| 877 | cairo_curve_to (cr, x1, y1, x1, y1, (x1 + x0) / 2, y1); |
---|
| 878 | cairo_curve_to (cr, x0, y1, x0, y1, x0, (y0 + y1) / 2); |
---|
| 879 | } else { |
---|
| 880 | cairo_move_to (cr, x0, y0 + radius); |
---|
| 881 | cairo_curve_to (cr, x0, y0, x0, y0, (x0 + x1) / 2, y0); |
---|
| 882 | cairo_curve_to (cr, x1, y0, x1, y0, x1, y0 + radius); |
---|
| 883 | cairo_line_to (cr, x1, y1 - radius); |
---|
| 884 | cairo_curve_to (cr, x1, y1, x1, y1, (x1 + x0) / 2, y1); |
---|
| 885 | cairo_curve_to (cr, x0, y1, x0, y1, x0, y1 - radius); |
---|
| 886 | } |
---|
| 887 | } else { |
---|
| 888 | if (height / 2 < radius) { |
---|
| 889 | cairo_move_to (cr, x0, (y0 + y1) / 2); |
---|
| 890 | cairo_curve_to (cr, x0, y0, x0 , y0, x0 + radius, y0); |
---|
| 891 | cairo_line_to (cr, x1 - radius, y0); |
---|
| 892 | cairo_curve_to (cr, x1, y0, x1, y0, x1, (y0 + y1) / 2); |
---|
| 893 | cairo_curve_to (cr, x1, y1, x1, y1, x1 - radius, y1); |
---|
| 894 | cairo_line_to (cr, x0 + radius, y1); |
---|
| 895 | cairo_curve_to (cr, x0, y1, x0, y1, x0, (y0 + y1) / 2); |
---|
| 896 | } else { |
---|
| 897 | cairo_move_to (cr, x0, y0 + radius); |
---|
| 898 | cairo_curve_to (cr, x0 , y0, x0 , y0, x0 + radius, y0); |
---|
| 899 | cairo_line_to (cr, x1 - radius, y0); |
---|
| 900 | cairo_curve_to (cr, x1, y0, x1, y0, x1, y0 + radius); |
---|
| 901 | cairo_line_to (cr, x1, y1 - radius); |
---|
| 902 | cairo_curve_to (cr, x1, y1, x1, y1, x1 - radius, y1); |
---|
| 903 | cairo_line_to (cr, x0 + radius, y1); |
---|
| 904 | cairo_curve_to (cr, x0, y1, x0, y1, x0, y1 - radius); |
---|
| 905 | } |
---|
| 906 | } |
---|
| 907 | |
---|
| 908 | cairo_close_path (cr); |
---|
| 909 | } |
---|
| 910 | |
---|
| 911 | static cairo_surface_t * |
---|
| 912 | surface_from_pixbuf (GdkPixbuf *pixbuf) |
---|
| 913 | { |
---|
| 914 | cairo_surface_t *surface; |
---|
| 915 | cairo_t *cr; |
---|
| 916 | |
---|
| 917 | surface = cairo_image_surface_create (gdk_pixbuf_get_has_alpha (pixbuf) ? |
---|
| 918 | CAIRO_FORMAT_ARGB32 : CAIRO_FORMAT_RGB24, |
---|
| 919 | gdk_pixbuf_get_width (pixbuf), |
---|
| 920 | gdk_pixbuf_get_height (pixbuf)); |
---|
| 921 | cr = cairo_create (surface); |
---|
| 922 | gdk_cairo_set_source_pixbuf (cr, pixbuf, 0, 0); |
---|
| 923 | cairo_paint (cr); |
---|
| 924 | cairo_destroy (cr); |
---|
| 925 | |
---|
| 926 | return surface; |
---|
| 927 | } |
---|
| 928 | |
---|
| 929 | /** |
---|
| 930 | * go_cairo_convert_data_to_pixbuf: |
---|
| 931 | * @src: a pointer to pixel data in cairo format |
---|
| 932 | * @dst: a pointer to pixel data in pixbuf format |
---|
| 933 | * @width: image width |
---|
| 934 | * @height: image height |
---|
| 935 | * @rowstride: data rowstride |
---|
| 936 | * |
---|
| 937 | * Converts the pixel data stored in @src in CAIRO_FORMAT_ARGB32 cairo format |
---|
| 938 | * to GDK_COLORSPACE_RGB pixbuf format and move them |
---|
| 939 | * to @dst. If @src == @dst, pixel are converted in place. |
---|
| 940 | **/ |
---|
| 941 | |
---|
| 942 | static void |
---|
| 943 | go_cairo_convert_data_to_pixbuf (unsigned char *dst, |
---|
| 944 | unsigned char const *src, |
---|
| 945 | int width, |
---|
| 946 | int height, |
---|
| 947 | int rowstride) |
---|
| 948 | { |
---|
| 949 | int i,j; |
---|
| 950 | unsigned int t; |
---|
| 951 | unsigned char a, b, c; |
---|
| 952 | |
---|
| 953 | g_return_if_fail (dst != NULL); |
---|
| 954 | |
---|
| 955 | #define MULT(d,c,a,t) G_STMT_START { t = (a)? c * 255 / a: 0; d = t;} G_STMT_END |
---|
| 956 | |
---|
| 957 | if (src == dst || src == NULL) { |
---|
| 958 | for (i = 0; i < height; i++) { |
---|
| 959 | for (j = 0; j < width; j++) { |
---|
| 960 | #if G_BYTE_ORDER == G_LITTLE_ENDIAN |
---|
| 961 | MULT(a, dst[2], dst[3], t); |
---|
| 962 | MULT(b, dst[1], dst[3], t); |
---|
| 963 | MULT(c, dst[0], dst[3], t); |
---|
| 964 | dst[0] = a; |
---|
| 965 | dst[1] = b; |
---|
| 966 | dst[2] = c; |
---|
| 967 | #else |
---|
| 968 | MULT(a, dst[1], dst[0], t); |
---|
| 969 | MULT(b, dst[2], dst[0], t); |
---|
| 970 | MULT(c, dst[3], dst[0], t); |
---|
| 971 | dst[3] = dst[0]; |
---|
| 972 | dst[0] = a; |
---|
| 973 | dst[1] = b; |
---|
| 974 | dst[2] = c; |
---|
| 975 | #endif |
---|
| 976 | dst += 4; |
---|
| 977 | } |
---|
| 978 | dst += rowstride - width * 4; |
---|
| 979 | } |
---|
| 980 | } else { |
---|
| 981 | for (i = 0; i < height; i++) { |
---|
| 982 | for (j = 0; j < width; j++) { |
---|
| 983 | #if G_BYTE_ORDER == G_LITTLE_ENDIAN |
---|
| 984 | MULT(dst[0], src[2], src[3], t); |
---|
| 985 | MULT(dst[1], src[1], src[3], t); |
---|
| 986 | MULT(dst[2], src[0], src[3], t); |
---|
| 987 | dst[3] = src[3]; |
---|
| 988 | #else |
---|
| 989 | MULT(dst[0], src[1], src[0], t); |
---|
| 990 | MULT(dst[1], src[2], src[0], t); |
---|
| 991 | MULT(dst[2], src[3], src[0], t); |
---|
| 992 | dst[3] = src[0]; |
---|
| 993 | #endif |
---|
| 994 | src += 4; |
---|
| 995 | dst += 4; |
---|
| 996 | } |
---|
| 997 | src += rowstride - width * 4; |
---|
| 998 | dst += rowstride - width * 4; |
---|
| 999 | } |
---|
| 1000 | } |
---|
| 1001 | #undef MULT |
---|
| 1002 | } |
---|
| 1003 | |
---|
| 1004 | static void |
---|
| 1005 | cairo_to_pixbuf (guint8 *src_data, |
---|
| 1006 | GdkPixbuf *dst_pixbuf) |
---|
| 1007 | { |
---|
| 1008 | unsigned char *src; |
---|
| 1009 | unsigned char *dst; |
---|
| 1010 | guint w; |
---|
| 1011 | guint h; |
---|
| 1012 | guint rowstride; |
---|
| 1013 | |
---|
| 1014 | w = gdk_pixbuf_get_width (dst_pixbuf); |
---|
| 1015 | h = gdk_pixbuf_get_height (dst_pixbuf); |
---|
| 1016 | rowstride = gdk_pixbuf_get_rowstride (dst_pixbuf); |
---|
| 1017 | |
---|
| 1018 | dst = gdk_pixbuf_get_pixels (dst_pixbuf); |
---|
| 1019 | src = src_data; |
---|
| 1020 | |
---|
| 1021 | go_cairo_convert_data_to_pixbuf (dst, src, w, h, rowstride); |
---|
| 1022 | } |
---|
| 1023 | |
---|
| 1024 | static GdkPixbuf * |
---|
| 1025 | frame_pixbuf (GdkPixbuf *source) |
---|
| 1026 | { |
---|
| 1027 | GdkPixbuf *dest; |
---|
| 1028 | cairo_t *cr; |
---|
| 1029 | cairo_surface_t *surface; |
---|
| 1030 | guint w; |
---|
| 1031 | guint h; |
---|
| 1032 | guint rowstride; |
---|
| 1033 | int frame_width; |
---|
| 1034 | double radius; |
---|
| 1035 | guint8 *data; |
---|
| 1036 | |
---|
| 1037 | frame_width = 2; |
---|
| 1038 | |
---|
| 1039 | w = gdk_pixbuf_get_width (source) + frame_width * 2; |
---|
| 1040 | h = gdk_pixbuf_get_height (source) + frame_width * 2; |
---|
| 1041 | radius = w / 3.0; |
---|
| 1042 | |
---|
| 1043 | dest = gdk_pixbuf_new (GDK_COLORSPACE_RGB, |
---|
| 1044 | TRUE, |
---|
| 1045 | 8, |
---|
| 1046 | w, |
---|
| 1047 | h); |
---|
| 1048 | rowstride = gdk_pixbuf_get_rowstride (dest); |
---|
| 1049 | |
---|
| 1050 | |
---|
| 1051 | data = g_new0 (guint8, h * rowstride); |
---|
| 1052 | |
---|
| 1053 | surface = cairo_image_surface_create_for_data (data, |
---|
| 1054 | CAIRO_FORMAT_ARGB32, |
---|
| 1055 | w, |
---|
| 1056 | h, |
---|
| 1057 | rowstride); |
---|
| 1058 | cr = cairo_create (surface); |
---|
| 1059 | cairo_surface_destroy (surface); |
---|
| 1060 | |
---|
| 1061 | /* set up image */ |
---|
| 1062 | cairo_rectangle (cr, 0, 0, w, h); |
---|
| 1063 | cairo_set_source_rgba (cr, 1.0, 1.0, 1.0, 0.0); |
---|
| 1064 | cairo_fill (cr); |
---|
| 1065 | |
---|
| 1066 | curved_rectangle (cr, frame_width, frame_width, |
---|
| 1067 | w - frame_width * 2, h - frame_width * 2, |
---|
| 1068 | radius); |
---|
| 1069 | cairo_set_source_rgba (cr, 0.5, 0.5, 0.5, 0.3); |
---|
| 1070 | cairo_fill_preserve (cr); |
---|
| 1071 | |
---|
| 1072 | surface = surface_from_pixbuf (source); |
---|
| 1073 | cairo_set_source_surface (cr, surface, frame_width, frame_width); |
---|
| 1074 | cairo_fill (cr); |
---|
| 1075 | cairo_surface_destroy (surface); |
---|
| 1076 | |
---|
| 1077 | cairo_to_pixbuf (data, dest); |
---|
| 1078 | |
---|
| 1079 | cairo_destroy (cr); |
---|
| 1080 | g_free (data); |
---|
| 1081 | |
---|
| 1082 | return dest; |
---|
| 1083 | } |
---|
| 1084 | |
---|
| 1085 | GdkPixbuf * |
---|
| 1086 | gdm_user_render_icon (GdmUser *user, |
---|
| 1087 | gint icon_size) |
---|
| 1088 | { |
---|
| 1089 | GdkPixbuf *pixbuf; |
---|
| 1090 | GdkPixbuf *framed; |
---|
| 1091 | char *path; |
---|
| 1092 | char *tmp; |
---|
| 1093 | gboolean res; |
---|
| 1094 | |
---|
| 1095 | g_return_val_if_fail (GDM_IS_USER (user), NULL); |
---|
| 1096 | g_return_val_if_fail (icon_size > 12, NULL); |
---|
| 1097 | |
---|
| 1098 | path = NULL; |
---|
| 1099 | |
---|
| 1100 | pixbuf = render_icon_from_cache (user, icon_size); |
---|
| 1101 | if (pixbuf != NULL) { |
---|
| 1102 | goto out; |
---|
| 1103 | } |
---|
| 1104 | |
---|
| 1105 | /* Try ${GlobalFaceDir}/${username} */ |
---|
| 1106 | path = g_build_filename (GLOBAL_FACEDIR, user->user_name, NULL); |
---|
| 1107 | res = check_user_file (path, |
---|
| 1108 | MAX_FILE_SIZE); |
---|
| 1109 | if (res) { |
---|
| 1110 | pixbuf = gdk_pixbuf_new_from_file_at_size (path, |
---|
| 1111 | icon_size, |
---|
| 1112 | icon_size, |
---|
| 1113 | NULL); |
---|
| 1114 | } else { |
---|
| 1115 | g_debug ("Could not access global face icon %s", path); |
---|
| 1116 | pixbuf = NULL; |
---|
| 1117 | } |
---|
| 1118 | |
---|
| 1119 | g_free (path); |
---|
| 1120 | if (pixbuf != NULL) { |
---|
| 1121 | goto out; |
---|
| 1122 | } |
---|
| 1123 | |
---|
| 1124 | /* Finally, ${GlobalFaceDir}/${username}.png */ |
---|
| 1125 | tmp = g_strconcat (user->user_name, ".png", NULL); |
---|
| 1126 | path = g_build_filename (GLOBAL_FACEDIR, tmp, NULL); |
---|
| 1127 | g_free (tmp); |
---|
| 1128 | res = check_user_file (path, |
---|
| 1129 | MAX_FILE_SIZE); |
---|
| 1130 | if (res) { |
---|
| 1131 | pixbuf = gdk_pixbuf_new_from_file_at_size (path, |
---|
| 1132 | icon_size, |
---|
| 1133 | icon_size, |
---|
| 1134 | NULL); |
---|
| 1135 | } else { |
---|
| 1136 | g_debug ("Could not access global face icon %s", path); |
---|
| 1137 | pixbuf = NULL; |
---|
| 1138 | } |
---|
| 1139 | g_free (path); |
---|
| 1140 | out: |
---|
| 1141 | |
---|
| 1142 | if (pixbuf != NULL) { |
---|
| 1143 | framed = frame_pixbuf (pixbuf); |
---|
| 1144 | if (framed != NULL) { |
---|
| 1145 | g_object_unref (pixbuf); |
---|
| 1146 | pixbuf = framed; |
---|
| 1147 | } |
---|
| 1148 | } |
---|
| 1149 | |
---|
| 1150 | return pixbuf; |
---|
| 1151 | } |
---|