diff options
Diffstat (limited to 'libmatemixer/matemixer-backend.c')
| -rw-r--r-- | libmatemixer/matemixer-backend.c | 179 |
1 files changed, 90 insertions, 89 deletions
diff --git a/libmatemixer/matemixer-backend.c b/libmatemixer/matemixer-backend.c index 474edd4..32f7f1b 100644 --- a/libmatemixer/matemixer-backend.c +++ b/libmatemixer/matemixer-backend.c @@ -43,77 +43,99 @@ mate_mixer_backend_default_init (MateMixerBackendInterface *iface) g_object_interface_install_property (iface, g_param_spec_enum ("state", "State", - "Backend connection state", + "Current backend connection state", MATE_MIXER_TYPE_STATE, MATE_MIXER_STATE_IDLE, G_PARAM_READABLE | G_PARAM_STATIC_STRINGS)); - signals[DEVICE_ADDED] = g_signal_new ("device-added", - G_TYPE_FROM_INTERFACE (iface), - G_SIGNAL_RUN_LAST, - G_STRUCT_OFFSET (MateMixerBackendInterface, device_added), - NULL, - NULL, - g_cclosure_marshal_VOID__STRING, - G_TYPE_NONE, - 1, - G_TYPE_STRING); - - signals[DEVICE_CHANGED] = g_signal_new ("device-changed", - G_TYPE_FROM_INTERFACE (iface), - G_SIGNAL_RUN_LAST, - G_STRUCT_OFFSET (MateMixerBackendInterface, device_changed), - NULL, - NULL, - g_cclosure_marshal_VOID__STRING, - G_TYPE_NONE, - 1, - G_TYPE_STRING); - - signals[DEVICE_REMOVED] = g_signal_new ("device-removed", - G_TYPE_FROM_INTERFACE (iface), - G_SIGNAL_RUN_LAST, - G_STRUCT_OFFSET (MateMixerBackendInterface, device_removed), - NULL, - NULL, - g_cclosure_marshal_VOID__STRING, - G_TYPE_NONE, - 1, - G_TYPE_STRING); - - signals[STREAM_ADDED] = g_signal_new ("stream-added", - G_TYPE_FROM_INTERFACE (iface), - G_SIGNAL_RUN_LAST, - G_STRUCT_OFFSET (MateMixerBackendInterface, stream_added), - NULL, - NULL, - g_cclosure_marshal_VOID__STRING, - G_TYPE_NONE, - 1, - G_TYPE_STRING); - - signals[STREAM_CHANGED] = g_signal_new ("stream-changed", - G_TYPE_FROM_INTERFACE (iface), - G_SIGNAL_RUN_LAST, - G_STRUCT_OFFSET (MateMixerBackendInterface, stream_changed), - NULL, - NULL, - g_cclosure_marshal_VOID__STRING, - G_TYPE_NONE, - 1, - G_TYPE_STRING); - - signals[STREAM_REMOVED] = g_signal_new ("stream-removed", - G_TYPE_FROM_INTERFACE (iface), - G_SIGNAL_RUN_LAST, - G_STRUCT_OFFSET (MateMixerBackendInterface, stream_removed), - NULL, - NULL, - g_cclosure_marshal_VOID__STRING, - G_TYPE_NONE, - 1, - G_TYPE_STRING); + g_object_interface_install_property (iface, + g_param_spec_object ("default-input", + "Default input", + "Default input stream", + MATE_MIXER_TYPE_STREAM, + G_PARAM_READABLE | + G_PARAM_STATIC_STRINGS)); + + g_object_interface_install_property (iface, + g_param_spec_object ("default-output", + "Default output", + "Default output stream", + MATE_MIXER_TYPE_STREAM, + G_PARAM_READABLE | + G_PARAM_STATIC_STRINGS)); + + signals[DEVICE_ADDED] = + g_signal_new ("device-added", + G_TYPE_FROM_INTERFACE (iface), + G_SIGNAL_RUN_LAST, + G_STRUCT_OFFSET (MateMixerBackendInterface, device_added), + NULL, + NULL, + g_cclosure_marshal_VOID__STRING, + G_TYPE_NONE, + 1, + G_TYPE_STRING); + + signals[DEVICE_CHANGED] = + g_signal_new ("device-changed", + G_TYPE_FROM_INTERFACE (iface), + G_SIGNAL_RUN_LAST, + G_STRUCT_OFFSET (MateMixerBackendInterface, device_changed), + NULL, + NULL, + g_cclosure_marshal_VOID__STRING, + G_TYPE_NONE, + 1, + G_TYPE_STRING); + + signals[DEVICE_REMOVED] = + g_signal_new ("device-removed", + G_TYPE_FROM_INTERFACE (iface), + G_SIGNAL_RUN_LAST, + G_STRUCT_OFFSET (MateMixerBackendInterface, device_removed), + NULL, + NULL, + g_cclosure_marshal_VOID__STRING, + G_TYPE_NONE, + 1, + G_TYPE_STRING); + + signals[STREAM_ADDED] = + g_signal_new ("stream-added", + G_TYPE_FROM_INTERFACE (iface), + G_SIGNAL_RUN_LAST, + G_STRUCT_OFFSET (MateMixerBackendInterface, stream_added), + NULL, + NULL, + g_cclosure_marshal_VOID__STRING, + G_TYPE_NONE, + 1, + G_TYPE_STRING); + + signals[STREAM_CHANGED] = + g_signal_new ("stream-changed", + G_TYPE_FROM_INTERFACE (iface), + G_SIGNAL_RUN_LAST, + G_STRUCT_OFFSET (MateMixerBackendInterface, stream_changed), + NULL, + NULL, + g_cclosure_marshal_VOID__STRING, + G_TYPE_NONE, + 1, + G_TYPE_STRING); + + signals[STREAM_REMOVED] = + g_signal_new ("stream-removed", + G_TYPE_FROM_INTERFACE (iface), + G_SIGNAL_RUN_LAST, + G_STRUCT_OFFSET (MateMixerBackendInterface, stream_removed), + NULL, + NULL, + g_cclosure_marshal_VOID__STRING, + G_TYPE_NONE, + 1, + G_TYPE_STRING); } void @@ -129,25 +151,12 @@ mate_mixer_backend_set_data (MateMixerBackend *backend, const MateMixerBackendDa iface->set_data (backend, data); } -/* - * Required behaviour: - * if the function returns TRUE, the state must be either MATE_MIXER_STATE_READY or - * MATE_MIXER_STATE_CONNECTING. - */ gboolean mate_mixer_backend_open (MateMixerBackend *backend) { - MateMixerBackendInterface *iface; - g_return_val_if_fail (MATE_MIXER_IS_BACKEND (backend), FALSE); - iface = MATE_MIXER_BACKEND_GET_INTERFACE (backend); - - if (!iface->open) { - g_critical ("Backend module does not implement the open() method"); - return FALSE; - } - return iface->open (backend); + return MATE_MIXER_BACKEND_GET_INTERFACE (backend)->open (backend); } void @@ -166,17 +175,9 @@ mate_mixer_backend_close (MateMixerBackend *backend) MateMixerState mate_mixer_backend_get_state (MateMixerBackend *backend) { - MateMixerBackendInterface *iface; - g_return_val_if_fail (MATE_MIXER_IS_BACKEND (backend), MATE_MIXER_STATE_UNKNOWN); - iface = MATE_MIXER_BACKEND_GET_INTERFACE (backend); - - if (!iface->get_state) { - g_critical ("Backend module does not implement the get_state() method"); - return MATE_MIXER_STATE_UNKNOWN; - } - return iface->get_state (backend); + return MATE_MIXER_BACKEND_GET_INTERFACE (backend)->get_state (backend); } GList * |