mirrors/pulseaudio
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/pulseaudio/pulseaudio.git synced 2025-11-05 13:29:57 -05:00
Code Issues Projects Releases Packages Wiki Activity Actions

make availability of ports visible over dbus

Browse source
This commit is contained in:
John Horan 2015-04-19 15:29:27 +01:00 • committed by David Henningsson
parent 2261567758
commit f8cd444de0
1 changed files with 63 additions and 2 deletions
Download patch file Download diff file Expand all files Collapse all files

65
src/modules/dbus/iface-device-port.c
View file

@ -34,6 +34,7 @@ static void handle_get_index(DBusConnection *conn, DBusMessage *msg, void *userd
static void handle_get_name(DBusConnection *conn, DBusMessage *msg, void *userdata);
static void handle_get_description(DBusConnection *conn, DBusMessage *msg, void *userdata);
static void handle_get_priority(DBusConnection *conn, DBusMessage *msg, void *userdata);
static void handle_get_available(DBusConnection *conn, DBusMessage *msg, void *userdata);
static void handle_get_all(DBusConnection *conn, DBusMessage *msg, void *userdata);
@ -41,6 +42,9 @@ struct pa_dbusiface_device_port {
uint32_t index;
pa_device_port *port;
char *path;
pa_hook_slot *available_changed_slot;
pa_dbus_protocol *dbus_protocol;
};
@ -49,6 +53,7 @@ enum property_handler_index {
PROPERTY_HANDLER_NAME,
PROPERTY_HANDLER_DESCRIPTION,
PROPERTY_HANDLER_PRIORITY,
PROPERTY_HANDLER_AVAILABLE,
PROPERTY_HANDLER_MAX
};
@ -57,6 +62,18 @@ static pa_dbus_property_handler property_handlers[PROPERTY_HANDLER_MAX] = {
[PROPERTY_HANDLER_NAME] = { .property_name = "Name", .type = "s", .get_cb = handle_get_name, .set_cb = NULL },
[PROPERTY_HANDLER_DESCRIPTION] = { .property_name = "Description", .type = "s", .get_cb = handle_get_description, .set_cb = NULL },
[PROPERTY_HANDLER_PRIORITY] = { .property_name = "Priority", .type = "u", .get_cb = handle_get_priority, .set_cb = NULL },
[PROPERTY_HANDLER_AVAILABLE] = { .property_name = "Available", .type = "u", .get_cb = handle_get_available, .set_cb = NULL }
};
enum signal_index {
SIGNAL_AVAILABLE_CHANGED,
SIGNAL_MAX
};
static pa_dbus_arg_info available_changed_args[] = { { "available", "u", NULL } };
static pa_dbus_signal_info signals[SIGNAL_MAX] = {
[SIGNAL_AVAILABLE_CHANGED] = { .name = "AvailableChanged", .arguments = available_changed_args, .n_arguments = 1 }
};
static pa_dbus_interface_info port_interface_info = {
@ -66,8 +83,8 @@ static pa_dbus_interface_info port_interface_info = {
.property_handlers = property_handlers,
.n_property_handlers = PROPERTY_HANDLER_MAX,
.get_all_properties_cb = handle_get_all,
.signals = NULL,
.n_signals = 0
.signals = signals,
.n_signals = SIGNAL_MAX
};
static void handle_get_index(DBusConnection *conn, DBusMessage *msg, void *userdata) {
@ -113,6 +130,20 @@ static void handle_get_priority(DBusConnection *conn, DBusMessage *msg, void *us
pa_dbus_send_basic_variant_reply(conn, msg, DBUS_TYPE_UINT32, &priority);
}
static void handle_get_available(DBusConnection *conn, DBusMessage *msg, void *userdata) {
pa_dbusiface_device_port *p = userdata;
dbus_uint32_t available = 0;
pa_assert(conn);
pa_assert(msg);
pa_assert(p);
available = p->port->available;
pa_dbus_send_basic_variant_reply(conn, msg, DBUS_TYPE_UINT32, &available);
}
static void handle_get_all(DBusConnection *conn, DBusMessage *msg, void *userdata) {
pa_dbusiface_device_port *p = userdata;
DBusMessage *reply = NULL;
@ -135,6 +166,7 @@ static void handle_get_all(DBusConnection *conn, DBusMessage *msg, void *userdat
pa_dbus_append_basic_variant_dict_entry(&dict_iter, property_handlers[PROPERTY_HANDLER_NAME].property_name, DBUS_TYPE_STRING, &p->port->name);
pa_dbus_append_basic_variant_dict_entry(&dict_iter, property_handlers[PROPERTY_HANDLER_DESCRIPTION].property_name, DBUS_TYPE_STRING, &p->port->description);
pa_dbus_append_basic_variant_dict_entry(&dict_iter, property_handlers[PROPERTY_HANDLER_PRIORITY].property_name, DBUS_TYPE_UINT32, &priority);
pa_dbus_append_basic_variant_dict_entry(&dict_iter, property_handlers[PROPERTY_HANDLER_AVAILABLE].property_name, DBUS_TYPE_UINT32, &p->port->available);
pa_assert_se(dbus_message_iter_close_container(&msg_iter, &dict_iter));
@ -142,6 +174,32 @@ static void handle_get_all(DBusConnection *conn, DBusMessage *msg, void *userdat
dbus_message_unref(reply);
}
static pa_hook_result_t available_changed_cb(void *hook_data, void *call_data, void *slot_data) {
pa_dbusiface_device_port *p = slot_data;
pa_device_port *port = call_data;
DBusMessage *signal_msg;
uint32_t available;
pa_assert(p);
pa_assert(port);
if(p->port != port)
return PA_HOOK_OK;
available = port->available;
pa_assert_se(signal_msg = dbus_message_new_signal(p->path,
PA_DBUSIFACE_DEVICE_PORT_INTERFACE,
signals[SIGNAL_AVAILABLE_CHANGED].name));
pa_assert_se(dbus_message_append_args(signal_msg, DBUS_TYPE_UINT32, &available, DBUS_TYPE_INVALID));
pa_dbus_protocol_send_signal(p->dbus_protocol, signal_msg);
dbus_message_unref(signal_msg);
return PA_HOOK_OK;
}
pa_dbusiface_device_port *pa_dbusiface_device_port_new(
pa_dbusiface_device *device,
pa_core *core,
@ -158,6 +216,8 @@ pa_dbusiface_device_port *pa_dbusiface_device_port_new(
p->port = port;
p->path = pa_sprintf_malloc("%s/%s%u", pa_dbusiface_device_get_path(device), OBJECT_NAME, idx);
p->dbus_protocol = pa_dbus_protocol_get(core);
p->available_changed_slot = pa_hook_connect(&port->core->hooks[PA_CORE_HOOK_PORT_AVAILABLE_CHANGED],
PA_HOOK_NORMAL, available_changed_cb, p);
pa_assert_se(pa_dbus_protocol_add_interface(p->dbus_protocol, p->path, &port_interface_info, p) >= 0);
@ -169,6 +229,7 @@ void pa_dbusiface_device_port_free(pa_dbusiface_device_port *p) {
pa_assert_se(pa_dbus_protocol_remove_interface(p->dbus_protocol, p->path, port_interface_info.name) >= 0);
pa_hook_slot_free(p->available_changed_slot);
pa_dbus_protocol_unref(p->dbus_protocol);
pa_xfree(p->path);