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use crate::Object;
use glib::object::Cast;
use glib::object::IsA;
use glib::signal::connect_raw;
use glib::signal::SignalHandlerId;
use glib::translate::*;
use glib::StaticType;
use glib::ToValue;
use std::boxed::Box as Box_;
use std::mem::transmute;
glib::wrapper! {
#[doc(alias = "GstTracer")]
pub struct Tracer(Object<ffi::GstTracer, ffi::GstTracerClass>) @extends Object;
match fn {
type_ => || ffi::gst_tracer_get_type(),
}
}
unsafe impl Send for Tracer {}
unsafe impl Sync for Tracer {}
pub const NONE_TRACER: Option<&Tracer> = None;
pub trait TracerExt: 'static {
fn params(&self) -> Option<glib::GString>;
fn set_params(&self, params: Option<&str>);
#[doc(alias = "params")]
fn connect_params_notify<F: Fn(&Self) + Send + Sync + 'static>(&self, f: F) -> SignalHandlerId;
}
impl<O: IsA<Tracer>> TracerExt for O {
fn params(&self) -> Option<glib::GString> {
unsafe {
let mut value = glib::Value::from_type(<glib::GString as StaticType>::static_type());
glib::gobject_ffi::g_object_get_property(
self.to_glib_none().0 as *mut glib::gobject_ffi::GObject,
b"params\0".as_ptr() as *const _,
value.to_glib_none_mut().0,
);
value
.get()
.expect("Return Value for property `params` getter")
}
}
fn set_params(&self, params: Option<&str>) {
unsafe {
glib::gobject_ffi::g_object_set_property(
self.to_glib_none().0 as *mut glib::gobject_ffi::GObject,
b"params\0".as_ptr() as *const _,
params.to_value().to_glib_none().0,
);
}
}
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(transmute::<_, unsafe extern "C" fn()>(
notify_params_trampoline::<Self, F> as *const (),
)),
Box_::into_raw(f),
)
}
}
}