diff options
Diffstat (limited to 'gnome-session/gsm-inhibitor.c')
| -rw-r--r-- | gnome-session/gsm-inhibitor.c | 649 |
1 files changed, 649 insertions, 0 deletions
diff --git a/gnome-session/gsm-inhibitor.c b/gnome-session/gsm-inhibitor.c new file mode 100644 index 0000000..a9a1f42 --- /dev/null +++ b/gnome-session/gsm-inhibitor.c @@ -0,0 +1,649 @@ +/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*- + * + * Copyright (C) 2008 Red Hat, Inc. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program 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 General Public License + * along with this program; if not, see <http://www.gnu.org/licenses/>. + */ + +#include "config.h" + +#include <fcntl.h> +#include <stdlib.h> +#include <string.h> +#include <time.h> +#include <unistd.h> + +#include "gsm-inhibitor.h" +#include "org.gnome.SessionManager.Inhibitor.h" + +#include "gsm-util.h" + +static guint32 inhibitor_serial = 1; + +#define GSM_INHIBITOR_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), GSM_TYPE_INHIBITOR, GsmInhibitorPrivate)) + +struct GsmInhibitorPrivate +{ + char *id; + char *bus_name; + char *app_id; + char *client_id; + char *reason; + guint flags; + guint toplevel_xid; + guint cookie; + GDBusConnection *connection; + GsmExportedInhibitor *skeleton; + + guint watch_id; +}; + +enum { + PROP_0, + PROP_BUS_NAME, + PROP_REASON, + PROP_APP_ID, + PROP_CLIENT_ID, + PROP_FLAGS, + PROP_TOPLEVEL_XID, + PROP_COOKIE +}; + +enum { + VANISHED, + LAST_SIGNAL +}; +static guint signals[LAST_SIGNAL] = { 0 }; + +G_DEFINE_TYPE (GsmInhibitor, gsm_inhibitor, G_TYPE_OBJECT) + +#define GSM_INHIBITOR_DBUS_IFACE "org.gnome.SessionManager.Inhibitor" + +static const GDBusErrorEntry gsm_inhibitor_error_entries[] = { + { GSM_INHIBITOR_ERROR_GENERAL, GSM_INHIBITOR_DBUS_IFACE ".GeneralError" }, + { GSM_INHIBITOR_ERROR_NOT_SET, GSM_INHIBITOR_DBUS_IFACE ".NotSet" } +}; + +GQuark +gsm_inhibitor_error_quark (void) +{ + static volatile gsize quark_volatile = 0; + + g_dbus_error_register_error_domain ("gsm_inhibitor_error", + &quark_volatile, + gsm_inhibitor_error_entries, + G_N_ELEMENTS (gsm_inhibitor_error_entries)); + return quark_volatile; +} + +static gboolean +gsm_inhibitor_get_app_id (GsmExportedInhibitor *skeleton, + GDBusMethodInvocation *invocation, + GsmInhibitor *inhibitor) +{ + const gchar *id; + + if (inhibitor->priv->app_id != NULL) { + id = inhibitor->priv->app_id; + } else { + id = ""; + } + + gsm_exported_inhibitor_complete_get_app_id (skeleton, invocation, id); + + return TRUE; +} + +static gboolean +gsm_inhibitor_get_client_id (GsmExportedInhibitor *skeleton, + GDBusMethodInvocation *invocation, + GsmInhibitor *inhibitor) +{ + /* object paths are not allowed to be NULL or blank */ + if (IS_STRING_EMPTY (inhibitor->priv->client_id)) { + g_dbus_method_invocation_return_error (invocation, + GSM_INHIBITOR_ERROR, + GSM_INHIBITOR_ERROR_NOT_SET, + "Value is not set"); + return TRUE; + } + + gsm_exported_inhibitor_complete_get_client_id (skeleton, invocation, inhibitor->priv->client_id); + g_debug ("GsmInhibitor: getting client-id = '%s'", inhibitor->priv->client_id); + + return TRUE; +} + +static gboolean +gsm_inhibitor_get_reason (GsmExportedInhibitor *skeleton, + GDBusMethodInvocation *invocation, + GsmInhibitor *inhibitor) +{ + const gchar *reason; + + if (inhibitor->priv->reason != NULL) { + reason = inhibitor->priv->reason; + } else { + reason = ""; + } + + gsm_exported_inhibitor_complete_get_reason (skeleton, invocation, reason); + return TRUE; +} + +static gboolean +gsm_inhibitor_get_flags (GsmExportedInhibitor *skeleton, + GDBusMethodInvocation *invocation, + GsmInhibitor *inhibitor) +{ + gsm_exported_inhibitor_complete_get_flags (skeleton, invocation, inhibitor->priv->flags); + return TRUE; +} + +static gboolean +gsm_inhibitor_get_toplevel_xid (GsmExportedInhibitor *skeleton, + GDBusMethodInvocation *invocation, + GsmInhibitor *inhibitor) +{ + gsm_exported_inhibitor_complete_get_toplevel_xid (skeleton, invocation, inhibitor->priv->toplevel_xid); + return TRUE; +} + +static guint32 +get_next_inhibitor_serial (void) +{ + guint32 serial; + + serial = inhibitor_serial++; + + if ((gint32)inhibitor_serial < 0) { + inhibitor_serial = 1; + } + + return serial; +} + +static gboolean +register_inhibitor (GsmInhibitor *inhibitor) +{ + GError *error; + GsmExportedInhibitor *skeleton; + + error = NULL; + inhibitor->priv->connection = g_bus_get_sync (G_BUS_TYPE_SESSION, NULL, &error); + + if (error != NULL) { + g_critical ("error getting session bus: %s", error->message); + g_error_free (error); + return FALSE; + } + + skeleton = gsm_exported_inhibitor_skeleton_new (); + inhibitor->priv->skeleton = skeleton; + g_dbus_interface_skeleton_export (G_DBUS_INTERFACE_SKELETON (skeleton), + inhibitor->priv->connection, + inhibitor->priv->id, &error); + + if (error != NULL) { + g_critical ("error exporting inhibitor on session bus: %s", error->message); + g_error_free (error); + return FALSE; + } + + g_signal_connect (skeleton, "handle-get-app-id", + G_CALLBACK (gsm_inhibitor_get_app_id), inhibitor); + g_signal_connect (skeleton, "handle-get-client-id", + G_CALLBACK (gsm_inhibitor_get_client_id), inhibitor); + g_signal_connect (skeleton, "handle-get-flags", + G_CALLBACK (gsm_inhibitor_get_flags), inhibitor); + g_signal_connect (skeleton, "handle-get-reason", + G_CALLBACK (gsm_inhibitor_get_reason), inhibitor); + g_signal_connect (skeleton, "handle-get-toplevel-xid", + G_CALLBACK (gsm_inhibitor_get_toplevel_xid), inhibitor); + + return TRUE; +} + +static GObject * +gsm_inhibitor_constructor (GType type, + guint n_construct_properties, + GObjectConstructParam *construct_properties) +{ + GsmInhibitor *inhibitor; + gboolean res; + + inhibitor = GSM_INHIBITOR (G_OBJECT_CLASS (gsm_inhibitor_parent_class)->constructor (type, + n_construct_properties, + construct_properties)); + + g_free (inhibitor->priv->id); + inhibitor->priv->id = g_strdup_printf ("/org/gnome/SessionManager/Inhibitor%u", get_next_inhibitor_serial ()); + res = register_inhibitor (inhibitor); + if (! res) { + g_warning ("Unable to register inhibitor with session bus"); + } + + return G_OBJECT (inhibitor); +} + +static void +gsm_inhibitor_init (GsmInhibitor *inhibitor) +{ + inhibitor->priv = GSM_INHIBITOR_GET_PRIVATE (inhibitor); +} + +static void +on_inhibitor_vanished (GDBusConnection *connection, + const char *name, + gpointer user_data) +{ + GsmInhibitor *inhibitor = user_data; + + g_bus_unwatch_name (inhibitor->priv->watch_id); + inhibitor->priv->watch_id = 0; + + g_signal_emit (inhibitor, signals[VANISHED], 0); +} + +static void +gsm_inhibitor_set_bus_name (GsmInhibitor *inhibitor, + const char *bus_name) +{ + g_return_if_fail (GSM_IS_INHIBITOR (inhibitor)); + + g_free (inhibitor->priv->bus_name); + + if (bus_name != NULL) { + inhibitor->priv->bus_name = g_strdup (bus_name); + + inhibitor->priv->watch_id = g_bus_watch_name (G_BUS_TYPE_SESSION, + bus_name, + G_BUS_NAME_WATCHER_FLAGS_NONE, + NULL, + on_inhibitor_vanished, + inhibitor, + NULL); + } else { + inhibitor->priv->bus_name = g_strdup (""); + } + g_object_notify (G_OBJECT (inhibitor), "bus-name"); +} + +static void +gsm_inhibitor_set_app_id (GsmInhibitor *inhibitor, + const char *app_id) +{ + g_return_if_fail (GSM_IS_INHIBITOR (inhibitor)); + + g_free (inhibitor->priv->app_id); + + inhibitor->priv->app_id = g_strdup (app_id); + g_object_notify (G_OBJECT (inhibitor), "app-id"); +} + +static void +gsm_inhibitor_set_client_id (GsmInhibitor *inhibitor, + const char *client_id) +{ + g_return_if_fail (GSM_IS_INHIBITOR (inhibitor)); + + g_free (inhibitor->priv->client_id); + + g_debug ("GsmInhibitor: setting client-id = %s", client_id); + + if (client_id != NULL) { + inhibitor->priv->client_id = g_strdup (client_id); + } else { + inhibitor->priv->client_id = g_strdup (""); + } + g_object_notify (G_OBJECT (inhibitor), "client-id"); +} + +static void +gsm_inhibitor_set_reason (GsmInhibitor *inhibitor, + const char *reason) +{ + g_return_if_fail (GSM_IS_INHIBITOR (inhibitor)); + + g_free (inhibitor->priv->reason); + + if (reason != NULL) { + inhibitor->priv->reason = g_strdup (reason); + } else { + inhibitor->priv->reason = g_strdup (""); + } + g_object_notify (G_OBJECT (inhibitor), "reason"); +} + +static void +gsm_inhibitor_set_cookie (GsmInhibitor *inhibitor, + guint cookie) +{ + g_return_if_fail (GSM_IS_INHIBITOR (inhibitor)); + + if (inhibitor->priv->cookie != cookie) { + inhibitor->priv->cookie = cookie; + g_object_notify (G_OBJECT (inhibitor), "cookie"); + } +} + +static void +gsm_inhibitor_set_flags (GsmInhibitor *inhibitor, + guint flags) +{ + g_return_if_fail (GSM_IS_INHIBITOR (inhibitor)); + + if (inhibitor->priv->flags != flags) { + inhibitor->priv->flags = flags; + g_object_notify (G_OBJECT (inhibitor), "flags"); + } +} + +static void +gsm_inhibitor_set_toplevel_xid (GsmInhibitor *inhibitor, + guint xid) +{ + g_return_if_fail (GSM_IS_INHIBITOR (inhibitor)); + + if (inhibitor->priv->toplevel_xid != xid) { + inhibitor->priv->toplevel_xid = xid; + g_object_notify (G_OBJECT (inhibitor), "toplevel-xid"); + } +} + +const char * +gsm_inhibitor_peek_bus_name (GsmInhibitor *inhibitor) +{ + g_return_val_if_fail (GSM_IS_INHIBITOR (inhibitor), NULL); + + return inhibitor->priv->bus_name; +} + +const char * +gsm_inhibitor_peek_id (GsmInhibitor *inhibitor) +{ + g_return_val_if_fail (GSM_IS_INHIBITOR (inhibitor), NULL); + + return inhibitor->priv->id; +} + +const char * +gsm_inhibitor_peek_app_id (GsmInhibitor *inhibitor) +{ + g_return_val_if_fail (GSM_IS_INHIBITOR (inhibitor), NULL); + + return inhibitor->priv->app_id; +} + +const char * +gsm_inhibitor_peek_client_id (GsmInhibitor *inhibitor) +{ + g_return_val_if_fail (GSM_IS_INHIBITOR (inhibitor), NULL); + + return inhibitor->priv->client_id; +} + +const char * +gsm_inhibitor_peek_reason (GsmInhibitor *inhibitor) +{ + g_return_val_if_fail (GSM_IS_INHIBITOR (inhibitor), NULL); + + return inhibitor->priv->reason; +} + +guint +gsm_inhibitor_peek_flags (GsmInhibitor *inhibitor) +{ + g_return_val_if_fail (GSM_IS_INHIBITOR (inhibitor), 0); + + return inhibitor->priv->flags; +} + +guint +gsm_inhibitor_peek_toplevel_xid (GsmInhibitor *inhibitor) +{ + g_return_val_if_fail (GSM_IS_INHIBITOR (inhibitor), 0); + + return inhibitor->priv->toplevel_xid; +} + +guint +gsm_inhibitor_peek_cookie (GsmInhibitor *inhibitor) +{ + g_return_val_if_fail (GSM_IS_INHIBITOR (inhibitor), 0); + + return inhibitor->priv->cookie; +} + +static void +gsm_inhibitor_set_property (GObject *object, + guint prop_id, + const GValue *value, + GParamSpec *pspec) +{ + GsmInhibitor *self; + + self = GSM_INHIBITOR (object); + + switch (prop_id) { + case PROP_BUS_NAME: + gsm_inhibitor_set_bus_name (self, g_value_get_string (value)); + break; + case PROP_APP_ID: + gsm_inhibitor_set_app_id (self, g_value_get_string (value)); + break; + case PROP_CLIENT_ID: + gsm_inhibitor_set_client_id (self, g_value_get_string (value)); + break; + case PROP_REASON: + gsm_inhibitor_set_reason (self, g_value_get_string (value)); + break; + case PROP_FLAGS: + gsm_inhibitor_set_flags (self, g_value_get_uint (value)); + break; + case PROP_COOKIE: + gsm_inhibitor_set_cookie (self, g_value_get_uint (value)); + break; + case PROP_TOPLEVEL_XID: + gsm_inhibitor_set_toplevel_xid (self, g_value_get_uint (value)); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + break; + } +} + +static void +gsm_inhibitor_get_property (GObject *object, + guint prop_id, + GValue *value, + GParamSpec *pspec) +{ + GsmInhibitor *self; + + self = GSM_INHIBITOR (object); + + switch (prop_id) { + case PROP_BUS_NAME: + g_value_set_string (value, self->priv->bus_name); + break; + case PROP_APP_ID: + g_value_set_string (value, self->priv->app_id); + break; + case PROP_CLIENT_ID: + g_value_set_string (value, self->priv->client_id); + break; + case PROP_REASON: + g_value_set_string (value, self->priv->reason); + break; + case PROP_FLAGS: + g_value_set_uint (value, self->priv->flags); + break; + case PROP_COOKIE: + g_value_set_uint (value, self->priv->cookie); + break; + case PROP_TOPLEVEL_XID: + g_value_set_uint (value, self->priv->toplevel_xid); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + break; + } +} + +static void +gsm_inhibitor_finalize (GObject *object) +{ + GsmInhibitor *inhibitor = (GsmInhibitor *) object; + + g_free (inhibitor->priv->id); + g_free (inhibitor->priv->bus_name); + g_free (inhibitor->priv->app_id); + g_free (inhibitor->priv->client_id); + g_free (inhibitor->priv->reason); + + if (inhibitor->priv->skeleton != NULL) { + g_dbus_interface_skeleton_unexport_from_connection (G_DBUS_INTERFACE_SKELETON (inhibitor->priv->skeleton), + inhibitor->priv->connection); + g_clear_object (&inhibitor->priv->skeleton); + } + + if (inhibitor->priv->watch_id != 0) { + g_bus_unwatch_name (inhibitor->priv->watch_id); + } + + g_clear_object (&inhibitor->priv->connection); + + G_OBJECT_CLASS (gsm_inhibitor_parent_class)->finalize (object); +} + +static void +gsm_inhibitor_class_init (GsmInhibitorClass *klass) +{ + GObjectClass *object_class = G_OBJECT_CLASS (klass); + + object_class->finalize = gsm_inhibitor_finalize; + object_class->constructor = gsm_inhibitor_constructor; + object_class->get_property = gsm_inhibitor_get_property; + object_class->set_property = gsm_inhibitor_set_property; + + signals[VANISHED] = + g_signal_new ("vanished", + G_OBJECT_CLASS_TYPE (object_class), + G_SIGNAL_RUN_LAST, + 0, NULL, NULL, NULL, + G_TYPE_NONE, + 0); + g_object_class_install_property (object_class, + PROP_BUS_NAME, + g_param_spec_string ("bus-name", + "bus-name", + "bus-name", + "", + G_PARAM_READWRITE | G_PARAM_CONSTRUCT)); + g_object_class_install_property (object_class, + PROP_APP_ID, + g_param_spec_string ("app-id", + "app-id", + "app-id", + "", + G_PARAM_READWRITE | G_PARAM_CONSTRUCT)); + g_object_class_install_property (object_class, + PROP_CLIENT_ID, + g_param_spec_string ("client-id", + "client-id", + "client-id", + "", + G_PARAM_READWRITE | G_PARAM_CONSTRUCT)); + g_object_class_install_property (object_class, + PROP_REASON, + g_param_spec_string ("reason", + "reason", + "reason", + "", + G_PARAM_READWRITE | G_PARAM_CONSTRUCT)); + g_object_class_install_property (object_class, + PROP_FLAGS, + g_param_spec_uint ("flags", + "flags", + "flags", + 0, + G_MAXINT, + 0, + G_PARAM_READWRITE | G_PARAM_CONSTRUCT)); + g_object_class_install_property (object_class, + PROP_TOPLEVEL_XID, + g_param_spec_uint ("toplevel-xid", + "toplevel-xid", + "toplevel-xid", + 0, + G_MAXINT, + 0, + G_PARAM_READWRITE | G_PARAM_CONSTRUCT)); + g_object_class_install_property (object_class, + PROP_COOKIE, + g_param_spec_uint ("cookie", + "cookie", + "cookie", + 0, + G_MAXINT, + 0, + G_PARAM_READWRITE | G_PARAM_CONSTRUCT)); + + g_type_class_add_private (klass, sizeof (GsmInhibitorPrivate)); +} + +GsmInhibitor * +gsm_inhibitor_new (const char *app_id, + guint toplevel_xid, + guint flags, + const char *reason, + const char *bus_name, + guint cookie) +{ + GsmInhibitor *inhibitor; + + inhibitor = g_object_new (GSM_TYPE_INHIBITOR, + "app-id", app_id, + "reason", reason, + "bus-name", bus_name, + "flags", flags, + "toplevel-xid", toplevel_xid, + "cookie", cookie, + NULL); + + return inhibitor; +} + +GsmInhibitor * +gsm_inhibitor_new_for_client (const char *client_id, + const char *app_id, + guint flags, + const char *reason, + const char *bus_name, + guint cookie) +{ + GsmInhibitor *inhibitor; + + inhibitor = g_object_new (GSM_TYPE_INHIBITOR, + "client-id", client_id, + "app-id", app_id, + "reason", reason, + "bus-name", bus_name, + "flags", flags, + "cookie", cookie, + NULL); + + return inhibitor; +} |