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/*
* Copyright 2010 Canonical Ltd.
*
* Authors:
* Conor Curran <conor.curran@canonical.com>
* Ted Gould <ted.gould@canonical.com>
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 3, as published
* by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranties of
* MERCHANTABILITY, SATISFACTORY QUALITY, or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU 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/>.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <gio/gio.h>
#include <libindicator/indicator-service.h>
#include "gen-sound-service.xml.h"
#include "dbus-shared-names.h"
#include "sound-service-dbus.h"
#include "common-defs.h"
#include "pulse-manager.h"
// DBUS methods
static void bus_method_call (GDBusConnection * connection,
const gchar * sender,
const gchar * path,
const gchar * interface,
const gchar * method,
GVariant * params,
GDBusMethodInvocation * invocation,
gpointer user_data);
static GDBusInterfaceVTable interface_table = {
method_call: bus_method_call,
get_property: NULL, /* No properties */
set_property: NULL /* No properties */
};
typedef struct _SoundServiceDbusPrivate SoundServiceDbusPrivate;
struct _SoundServiceDbusPrivate {
GDBusConnection *connection;
gboolean mute;
gboolean sink_availability;
};
static GDBusNodeInfo * node_info = NULL;
static GDBusInterfaceInfo * interface_info = NULL;
#define SOUND_SERVICE_DBUS_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), SOUND_SERVICE_DBUS_TYPE, SoundServiceDbusPrivate))
static void sound_service_dbus_class_init (SoundServiceDbusClass *klass);
static void sound_service_dbus_init (SoundServiceDbus *self);
static void sound_service_dbus_dispose (GObject *object);
static void sound_service_dbus_finalize (GObject *object);
/* GObject Boilerplate */
G_DEFINE_TYPE (SoundServiceDbus, sound_service_dbus, G_TYPE_OBJECT);
static void
sound_service_dbus_class_init (SoundServiceDbusClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
g_type_class_add_private (object_class, sizeof(SoundServiceDbusPrivate));
object_class->dispose = sound_service_dbus_dispose;
object_class->finalize = sound_service_dbus_finalize;
g_assert(klass != NULL);
if (node_info == NULL) {
GError * error = NULL;
node_info = g_dbus_node_info_new_for_xml(_sound_service, &error);
if (error != NULL) {
g_error("Unable to parse Indicator Service Interface description: %s",
error->message);
g_error_free(error);
}
}
if (interface_info == NULL) {
interface_info = g_dbus_node_info_lookup_interface (node_info,
INDICATOR_SOUND_DBUS_INTERFACE);
if (interface_info == NULL) {
g_error("Unable to find interface '" INDICATOR_SOUND_DBUS_INTERFACE "'");
}
}
}
static void
sound_service_dbus_init (SoundServiceDbus *self)
{
GError *error = NULL;
SoundServiceDbusPrivate * priv = SOUND_SERVICE_DBUS_GET_PRIVATE(self);
priv->connection = NULL;
priv->mute = FALSE;
priv->sink_availability = FALSE;
/* Fetch the session bus */
priv->connection = g_bus_get_sync (G_BUS_TYPE_SESSION, NULL, &error);
if (error != NULL) {
g_error("sound-service-dbus:Unable to connect to the session bus when creating indicator sound service : %s", error->message);
g_error_free(error);
return;
}
/* register the service on it */
g_dbus_connection_register_object (priv->connection,
INDICATOR_SOUND_SERVICE_DBUS_OBJECT_PATH,
interface_info,
&interface_table,
self,
NULL,
&error);
if (error != NULL) {
g_error("Unable to register the object to DBus: %s", error->message);
g_error_free(error);
return;
}
}
static void
sound_service_dbus_dispose (GObject *object)
{
G_OBJECT_CLASS (sound_service_dbus_parent_class)->dispose (object);
return;
}
static void
sound_service_dbus_finalize (GObject *object)
{
G_OBJECT_CLASS (sound_service_dbus_parent_class)->finalize (object);
return;
}
/* A method has been called from our dbus inteface. Figure out what it
is and dispatch it. */
static void
bus_method_call (GDBusConnection * connection,
const gchar * sender,
const gchar * path,
const gchar * interface,
const gchar * method,
GVariant * params,
GDBusMethodInvocation * invocation,
gpointer user_data)
{
SoundServiceDbus* service = SOUND_SERVICE_DBUS(user_data);
g_return_if_fail ( IS_SOUND_SERVICE_DBUS(service) );
GVariant * retval = NULL;
SoundServiceDbusPrivate *priv = SOUND_SERVICE_DBUS_GET_PRIVATE (service);
if (g_strcmp0(method, "GetSinkMute") == 0) {
g_debug("Get sink mute - sound service dbus!,about to send over mute_value of %i", priv->mute);
retval = g_variant_new ( "(b)", priv->mute);
}
else if (g_strcmp0(method, "GetSinkAvailability") == 0) {
g_debug("Get sink availability - sound service dbus!, about to send over availability_value of %i", priv->sink_availability);
retval = g_variant_new ( "(b)", priv->sink_availability);
}
else {
g_warning("Calling method '%s' on the sound service but it's unknown", method);
}
g_dbus_method_invocation_return_value(invocation, retval);
}
/**
SIGNALS
Utility methods to emit signals from the service into the ether.
**/
void sound_service_dbus_sink_input_while_muted(SoundServiceDbus* obj,
gboolean block_value)
{
g_debug("Emitting signal: SINK_INPUT_WHILE_MUTED, with block_value: %i",
block_value);
SoundServiceDbusPrivate *priv = SOUND_SERVICE_DBUS_GET_PRIVATE (obj);
GVariant* v_output = g_variant_new("(b)", block_value);
GError * error = NULL;
g_dbus_connection_emit_signal( priv->connection,
NULL,
INDICATOR_SOUND_MENU_DBUS_OBJECT_PATH,
INDICATOR_SOUND_DBUS_INTERFACE,
INDICATOR_SOUND_SIGNAL_SINK_INPUT_WHILE_MUTED,
v_output,
&error );
if (error != NULL) {
g_error("Unable to emit signal 'sinkinputwhilemuted' because : %s", error->message);
g_error_free(error);
return;
}
}
void sound_service_dbus_update_sink_mute(SoundServiceDbus* obj,
gboolean sink_mute)
{
g_debug("Emitting signal: SINK_MUTE_UPDATE, with sink mute %i", sink_mute);
SoundServiceDbusPrivate *priv = SOUND_SERVICE_DBUS_GET_PRIVATE (obj);
priv->mute = sink_mute;
GVariant* v_output = g_variant_new("(b)", sink_mute);
GError * error = NULL;
g_dbus_connection_emit_signal( priv->connection,
NULL,
INDICATOR_SOUND_SERVICE_DBUS_OBJECT_PATH,
INDICATOR_SOUND_DBUS_INTERFACE,
INDICATOR_SOUND_SIGNAL_SINK_MUTE_UPDATE,
v_output,
&error );
if (error != NULL) {
g_error("Unable to emit signal 'sinkmuteupdate' because : %s", error->message);
g_error_free(error);
return;
}
}
void sound_service_dbus_update_sink_availability(SoundServiceDbus* obj,
gboolean sink_availability)
{
g_debug("Emitting signal: SinkAvailableUpdate, with %i", sink_availability);
SoundServiceDbusPrivate *priv = SOUND_SERVICE_DBUS_GET_PRIVATE (obj);
priv->sink_availability = sink_availability;
GVariant* v_output = g_variant_new("(b)", priv->sink_availability);
GError * error = NULL;
g_dbus_connection_emit_signal( priv->connection,
NULL,
INDICATOR_SOUND_SERVICE_DBUS_OBJECT_PATH,
INDICATOR_SOUND_DBUS_INTERFACE,
INDICATOR_SOUND_SIGNAL_SINK_AVAILABLE_UPDATE,
v_output,
&error );
if (error != NULL) {
g_error("Unable to emit signal 'SinkAvailableUpdate' because : %s", error->message);
g_error_free(error);
return;
}
}
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