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use crate::ClockTime;
use crate::Message;
use crate::Object;
use glib::object::ObjectType as ObjectType_;
use glib::signal::connect_raw;
use glib::signal::SignalHandlerId;
use glib::translate::*;
use std::boxed::Box as Box_;
use std::mem::transmute;
glib::wrapper! {
#[doc(alias = "GstBus")]
pub struct Bus(Object<ffi::GstBus, ffi::GstBusClass>) @extends Object;
match fn {
type_ => || ffi::gst_bus_get_type(),
}
}
impl Bus {
#[doc(alias = "gst_bus_new")]
pub fn new() -> Bus {
assert_initialized_main_thread!();
unsafe { from_glib_full(ffi::gst_bus_new()) }
}
#[doc(alias = "gst_bus_add_signal_watch")]
pub fn add_signal_watch(&self) {
unsafe {
ffi::gst_bus_add_signal_watch(self.to_glib_none().0);
}
}
#[doc(alias = "gst_bus_disable_sync_message_emission")]
pub fn disable_sync_message_emission(&self) {
unsafe {
ffi::gst_bus_disable_sync_message_emission(self.to_glib_none().0);
}
}
#[doc(alias = "gst_bus_enable_sync_message_emission")]
pub fn enable_sync_message_emission(&self) {
unsafe {
ffi::gst_bus_enable_sync_message_emission(self.to_glib_none().0);
}
}
#[doc(alias = "gst_bus_have_pending")]
pub fn have_pending(&self) -> bool {
unsafe { from_glib(ffi::gst_bus_have_pending(self.to_glib_none().0)) }
}
#[doc(alias = "gst_bus_peek")]
pub fn peek(&self) -> Option<Message> {
unsafe { from_glib_full(ffi::gst_bus_peek(self.to_glib_none().0)) }
}
#[doc(alias = "gst_bus_pop")]
pub fn pop(&self) -> Option<Message> {
unsafe { from_glib_full(ffi::gst_bus_pop(self.to_glib_none().0)) }
}
#[doc(alias = "gst_bus_post")]
pub fn post(&self, message: &Message) -> Result<(), glib::error::BoolError> {
unsafe {
glib::result_from_gboolean!(
ffi::gst_bus_post(self.to_glib_none().0, message.to_glib_full()),
"Failed to post message"
)
}
}
#[doc(alias = "gst_bus_remove_signal_watch")]
pub fn remove_signal_watch(&self) {
unsafe {
ffi::gst_bus_remove_signal_watch(self.to_glib_none().0);
}
}
#[doc(alias = "gst_bus_remove_watch")]
pub fn remove_watch(&self) -> Result<(), glib::error::BoolError> {
unsafe {
glib::result_from_gboolean!(
ffi::gst_bus_remove_watch(self.to_glib_none().0),
"Bus has no event source"
)
}
}
#[doc(alias = "gst_bus_set_flushing")]
pub fn set_flushing(&self, flushing: bool) {
unsafe {
ffi::gst_bus_set_flushing(self.to_glib_none().0, flushing.into_glib());
}
}
#[doc(alias = "gst_bus_timed_pop")]
pub fn timed_pop(&self, timeout: impl Into<Option<ClockTime>>) -> Option<Message> {
unsafe {
from_glib_full(ffi::gst_bus_timed_pop(
self.to_glib_none().0,
timeout.into().into_glib(),
))
}
}
#[doc(alias = "message")]
pub fn connect_message<F: Fn(&Self, &Message) + Send + 'static>(
&self,
detail: Option<&str>,
f: F,
) -> SignalHandlerId {
unsafe extern "C" fn message_trampoline<F: Fn(&Bus, &Message) + Send + 'static>(
this: *mut ffi::GstBus,
message: *mut ffi::GstMessage,
f: glib::ffi::gpointer,
) {
let f: &F = &*(f as *const F);
f(&from_glib_borrow(this), &from_glib_borrow(message))
}
unsafe {
let f: Box_<F> = Box_::new(f);
let detailed_signal_name = detail.map(|name| format!("message::{}\0", name));
let signal_name: &[u8] = detailed_signal_name
.as_ref()
.map_or(&b"message\0"[..], |n| n.as_bytes());
connect_raw(
self.as_ptr() as *mut _,
signal_name.as_ptr() as *const _,
Some(transmute::<_, unsafe extern "C" fn()>(
message_trampoline::<F> as *const (),
)),
Box_::into_raw(f),
)
}
}
#[doc(alias = "sync-message")]
pub fn connect_sync_message<F: Fn(&Self, &Message) + Send + Sync + 'static>(
&self,
detail: Option<&str>,
f: F,
) -> SignalHandlerId {
unsafe extern "C" fn sync_message_trampoline<
F: Fn(&Bus, &Message) + Send + Sync + 'static,
>(
this: *mut ffi::GstBus,
message: *mut ffi::GstMessage,
f: glib::ffi::gpointer,
) {
let f: &F = &*(f as *const F);
f(&from_glib_borrow(this), &from_glib_borrow(message))
}
unsafe {
let f: Box_<F> = Box_::new(f);
let detailed_signal_name = detail.map(|name| format!("sync-message::{}\0", name));
let signal_name: &[u8] = detailed_signal_name
.as_ref()
.map_or(&b"sync-message\0"[..], |n| n.as_bytes());
connect_raw(
self.as_ptr() as *mut _,
signal_name.as_ptr() as *const _,
Some(transmute::<_, unsafe extern "C" fn()>(
sync_message_trampoline::<F> as *const (),
)),
Box_::into_raw(f),
)
}
}
}
impl Default for Bus {
fn default() -> Self {
Self::new()
}
}
unsafe impl Send for Bus {}
unsafe impl Sync for Bus {}