glib/gio/tests/gnotification-server.c
2014-01-31 14:31:55 +01:00

338 lines
11 KiB
C

/*
* Copyright © 2013 Lars Uebernickel
*
* This program 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 licence 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/>.
*
* Authors: Lars Uebernickel <lars@uebernic.de>
*/
#include "gnotification-server.h"
#include <gio/gio.h>
typedef GObjectClass GNotificationServerClass;
struct _GNotificationServer
{
GObject parent;
GDBusConnection *connection;
guint name_owner_id;
guint object_id;
guint is_running;
/* app_ids -> hashtables of notification ids -> a{sv} */
GHashTable *applications;
};
G_DEFINE_TYPE (GNotificationServer, g_notification_server, G_TYPE_OBJECT);
enum
{
PROP_0,
PROP_IS_RUNNING
};
static GDBusInterfaceInfo *
org_gtk_Notifications_get_interface (void)
{
static GDBusInterfaceInfo *iface_info;
if (iface_info == NULL)
{
GDBusNodeInfo *info;
GError *error = NULL;
info = g_dbus_node_info_new_for_xml (
"<node>"
" <interface name='org.gtk.Notifications'>"
" <method name='AddNotification'>"
" <arg type='s' direction='in' />"
" <arg type='s' direction='in' />"
" <arg type='a{sv}' direction='in' />"
" </method>"
" <method name='RemoveNotification'>"
" <arg type='s' direction='in' />"
" <arg type='s' direction='in' />"
" </method>"
" </interface>"
"</node>", &error);
if (info == NULL)
g_error ("%s", error->message);
iface_info = g_dbus_node_info_lookup_interface (info, "org.gtk.Notifications");
g_assert (iface_info);
g_dbus_interface_info_ref (iface_info);
g_dbus_node_info_unref (info);
}
return iface_info;
}
static void
g_notification_server_notification_added (GNotificationServer *server,
const gchar *app_id,
const gchar *notification_id,
GVariant *notification)
{
GHashTable *notifications;
notifications = g_hash_table_lookup (server->applications, app_id);
if (notifications == NULL)
{
notifications = g_hash_table_new_full (g_str_hash, g_str_equal,
g_free, (GDestroyNotify) g_variant_unref);
g_hash_table_insert (server->applications, g_strdup (app_id), notifications);
}
g_hash_table_replace (notifications, g_strdup (notification_id), g_variant_ref (notification));
g_signal_emit_by_name (server, "notification-received", app_id, notification_id, notification);
}
static void
g_notification_server_notification_removed (GNotificationServer *server,
const gchar *app_id,
const gchar *notification_id)
{
GHashTable *notifications;
notifications = g_hash_table_lookup (server->applications, app_id);
if (notifications)
{
g_hash_table_remove (notifications, notification_id);
if (g_hash_table_size (notifications) == 0)
g_hash_table_remove (server->applications, app_id);
}
g_signal_emit_by_name (server, "notification-removed", app_id, notification_id);
}
static void
org_gtk_Notifications_method_call (GDBusConnection *connection,
const gchar *sender,
const gchar *object_path,
const gchar *interface_name,
const gchar *method_name,
GVariant *parameters,
GDBusMethodInvocation *invocation,
gpointer user_data)
{
GNotificationServer *server = user_data;
if (g_str_equal (method_name, "AddNotification"))
{
const gchar *app_id;
const gchar *notification_id;
GVariant *notification;
g_variant_get (parameters, "(&s&s@a{sv})", &app_id, &notification_id, &notification);
g_notification_server_notification_added (server, app_id, notification_id, notification);
g_dbus_method_invocation_return_value (invocation, NULL);
g_variant_unref (notification);
}
else if (g_str_equal (method_name, "RemoveNotification"))
{
const gchar *app_id;
const gchar *notification_id;
g_variant_get (parameters, "(&s&s)", &app_id, &notification_id);
g_notification_server_notification_removed (server, app_id, notification_id);
g_dbus_method_invocation_return_value (invocation, NULL);
}
else
{
g_dbus_method_invocation_return_dbus_error (invocation, "UnknownMethod", "No such method");
}
}
static void
g_notification_server_dispose (GObject *object)
{
GNotificationServer *server = G_NOTIFICATION_SERVER (object);
g_notification_server_stop (server);
g_clear_pointer (&server->applications, g_hash_table_unref);
g_clear_object (&server->connection);
G_OBJECT_CLASS (g_notification_server_parent_class)->dispose (object);
}
static void
g_notification_server_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec)
{
GNotificationServer *server = G_NOTIFICATION_SERVER (object);
switch (property_id)
{
case PROP_IS_RUNNING:
g_value_set_boolean (value, server->is_running);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
}
}
static void
g_notification_server_class_init (GNotificationServerClass *class)
{
GObjectClass *object_class = G_OBJECT_CLASS (class);
object_class->get_property = g_notification_server_get_property;
object_class->dispose = g_notification_server_dispose;
g_object_class_install_property (object_class, PROP_IS_RUNNING,
g_param_spec_boolean ("is-running", "", "", FALSE,
G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
g_signal_new ("notification-received", G_TYPE_NOTIFICATION_SERVER, G_SIGNAL_RUN_FIRST,
0, NULL, NULL, g_cclosure_marshal_generic, G_TYPE_NONE, 3,
G_TYPE_STRING, G_TYPE_STRING, G_TYPE_VARIANT);
g_signal_new ("notification-removed", G_TYPE_NOTIFICATION_SERVER, G_SIGNAL_RUN_FIRST,
0, NULL, NULL, g_cclosure_marshal_generic, G_TYPE_NONE, 2,
G_TYPE_STRING, G_TYPE_STRING);
}
static void
g_notification_server_bus_acquired (GDBusConnection *connection,
const gchar *name,
gpointer user_data)
{
const GDBusInterfaceVTable vtable = {
org_gtk_Notifications_method_call, NULL, NULL
};
GNotificationServer *server = user_data;
server->object_id = g_dbus_connection_register_object (connection, "/org/gtk/Notifications",
org_gtk_Notifications_get_interface (),
&vtable, server, NULL, NULL);
/* register_object only fails if the same object is exported more than once */
g_assert (server->object_id > 0);
server->connection = g_object_ref (connection);
}
static void
g_notification_server_name_acquired (GDBusConnection *connection,
const gchar *name,
gpointer user_data)
{
GNotificationServer *server = user_data;
server->is_running = TRUE;
g_object_notify (G_OBJECT (server), "is-running");
}
static void
g_notification_server_name_lost (GDBusConnection *connection,
const gchar *name,
gpointer user_data)
{
GNotificationServer *server = user_data;
g_notification_server_stop (server);
if (connection == NULL && server->connection)
g_clear_object (&server->connection);
}
static void
g_notification_server_init (GNotificationServer *server)
{
server->applications = g_hash_table_new_full (g_str_hash, g_str_equal,
g_free, (GDestroyNotify) g_hash_table_unref);
server->name_owner_id = g_bus_own_name (G_BUS_TYPE_SESSION,
"org.gtk.Notifications",
G_BUS_NAME_OWNER_FLAGS_NONE,
g_notification_server_bus_acquired,
g_notification_server_name_acquired,
g_notification_server_name_lost,
server, NULL);
}
GNotificationServer *
g_notification_server_new (void)
{
return g_object_new (G_TYPE_NOTIFICATION_SERVER, NULL);
}
void
g_notification_server_stop (GNotificationServer *server)
{
g_return_if_fail (G_IS_NOTIFICATION_SERVER (server));
if (server->name_owner_id)
{
g_bus_unown_name (server->name_owner_id);
server->name_owner_id = 0;
}
if (server->object_id && server->connection)
{
g_dbus_connection_unregister_object (server->connection, server->object_id);
server->object_id = 0;
}
if (server->is_running)
{
server->is_running = FALSE;
g_object_notify (G_OBJECT (server), "is-running");
}
}
gboolean
g_notification_server_get_is_running (GNotificationServer *server)
{
g_return_val_if_fail (G_IS_NOTIFICATION_SERVER (server), FALSE);
return server->is_running;
}
gchar **
g_notification_server_list_applications (GNotificationServer *server)
{
g_return_val_if_fail (G_IS_NOTIFICATION_SERVER (server), NULL);
return (gchar **) g_hash_table_get_keys_as_array (server->applications, NULL);
}
gchar **
g_notification_server_list_notifications (GNotificationServer *server,
const gchar *app_id)
{
GHashTable *notifications;
g_return_val_if_fail (G_IS_NOTIFICATION_SERVER (server), NULL);
g_return_val_if_fail (app_id != NULL, NULL);
notifications = g_hash_table_lookup (server->applications, app_id);
if (notifications == NULL)
return NULL;
return (gchar **) g_hash_table_get_keys_as_array (notifications, NULL);
}