<!DOCTYPE node PUBLIC "-//freedesktop//DTD D-BUS Object Introspection 1.0//EN" "http://www.freedesktop.org/standards/dbus/1.0/introspect.dtd"> <node name="/org/ayatana/indicator/sound"> <interface name="org.ayatana.indicator.sound"> <method name = "GetSinkMute"> <annotation name="org.freedesktop.DBus.GLib.CSymbol" value="sound_service_dbus_get_sink_mute"/> <arg type='b' name='mute_input' direction="out"/> </method> <method name = "GetSinkAvailability"> <annotation name="org.freedesktop.DBus.GLib.CSymbol" value="sound_service_dbus_get_sink_availability"/> <arg type='b' name='availability_input' direction="out"/> </method> <!-- Will need to hook up another signal which monitors for volume change Our respective UI element should listen to this and therefore will be updated with accurate setting--> <!-- Triggered when a sink is muted but the input has been sent to that sink --> <signal name="SinkInputWhileMuted"> <arg name="block_value" type="b" direction="out"/> </signal> <signal name="SinkMuteUpdate"> <arg name="mute_value" type="b" direction="out"/> </signal> <signal name="SinkAvailableUpdate"> <arg name="available_value" type="b" direction="out"/> </signal> </interface> </node>