use crate::Object;
use glib::{
prelude::*,
signal::{connect_raw, SignalHandlerId},
translate::*,
};
use std::boxed::Box as Box_;
glib::wrapper! {
#[doc(alias = "GstTracer")]
pub struct Tracer(Object<ffi::GstTracer, ffi::GstTracerClass>) @extends Object;
match fn {
type_ => || ffi::gst_tracer_get_type(),
}
}
impl Tracer {
pub const NONE: Option<&'static Tracer> = None;
}
unsafe impl Send for Tracer {}
unsafe impl Sync for Tracer {}
mod sealed {
pub trait Sealed {}
impl<T: super::IsA<super::Tracer>> Sealed for T {}
}
pub trait TracerExt: IsA<Tracer> + sealed::Sealed + 'static {
fn params(&self) -> Option<glib::GString> {
ObjectExt::property(self.as_ref(), "params")
}
fn set_params(&self, params: Option<&str>) {
ObjectExt::set_property(self.as_ref(), "params", params)
}
#[doc(alias = "params")]
fn connect_params_notify<F: Fn(&Self) + Send + Sync + 'static>(&self, f: F) -> SignalHandlerId {
unsafe extern "C" fn notify_params_trampoline<
P: IsA<Tracer>,
F: Fn(&P) + Send + Sync + 'static,
>(
this: *mut ffi::GstTracer,
_param_spec: glib::ffi::gpointer,
f: glib::ffi::gpointer,
) {
let f: &F = &*(f as *const F);
f(Tracer::from_glib_borrow(this).unsafe_cast_ref())
}
unsafe {
let f: Box_<F> = Box_::new(f);
connect_raw(
self.as_ptr() as *mut _,
b"notify::params\0".as_ptr() as *const _,
Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
notify_params_trampoline::<Self, F> as *const (),
)),
Box_::into_raw(f),
)
}
}
}
impl<O: IsA<Tracer>> TracerExt for O {}