1use crate::{Object, ffi};
7use glib::{
8 prelude::*,
9 signal::{SignalHandlerId, connect_raw},
10 translate::*,
11};
12use std::boxed::Box as Box_;
13
14glib::wrapper! {
15 #[doc(alias = "GstTracer")]
16 pub struct Tracer(Object<ffi::GstTracer, ffi::GstTracerClass>) @extends Object;
17
18 match fn {
19 type_ => || ffi::gst_tracer_get_type(),
20 }
21}
22
23impl Tracer {
24 pub const NONE: Option<&'static Tracer> = None;
25}
26
27unsafe impl Send for Tracer {}
28unsafe impl Sync for Tracer {}
29
30pub trait TracerExt: IsA<Tracer> + 'static {
31 fn params(&self) -> Option<glib::GString> {
32 ObjectExt::property(self.as_ref(), "params")
33 }
34
35 fn set_params(&self, params: Option<&str>) {
36 ObjectExt::set_property(self.as_ref(), "params", params)
37 }
38
39 #[doc(alias = "params")]
40 fn connect_params_notify<F: Fn(&Self) + Send + Sync + 'static>(&self, f: F) -> SignalHandlerId {
41 unsafe extern "C" fn notify_params_trampoline<
42 P: IsA<Tracer>,
43 F: Fn(&P) + Send + Sync + 'static,
44 >(
45 this: *mut ffi::GstTracer,
46 _param_spec: glib::ffi::gpointer,
47 f: glib::ffi::gpointer,
48 ) {
49 unsafe {
50 let f: &F = &*(f as *const F);
51 f(Tracer::from_glib_borrow(this).unsafe_cast_ref())
52 }
53 }
54 unsafe {
55 let f: Box_<F> = Box_::new(f);
56 connect_raw(
57 self.as_ptr() as *mut _,
58 c"notify::params".as_ptr(),
59 Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
60 notify_params_trampoline::<Self, F> as *const (),
61 )),
62 Box_::into_raw(f),
63 )
64 }
65 }
66}
67
68impl<O: IsA<Tracer>> TracerExt for O {}