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use ffi;
use glib;
use glib::object::IsA;
use glib::translate::*;
use std::ptr;
use ChildProxy;
pub trait ChildProxyExtManual {
fn get_child_property(&self, name: &str) -> Option<glib::Value>;
fn set_child_property(&self, name: &str, value: &glib::ToValue) -> Result<(), glib::BoolError>;
}
impl<O: IsA<ChildProxy>> ChildProxyExtManual for O {
fn get_child_property(&self, name: &str) -> Option<glib::Value> {
unsafe {
let found: bool = from_glib(ffi::gst_child_proxy_lookup(
self.to_glib_none().0,
name.to_glib_none().0,
ptr::null_mut(),
ptr::null_mut(),
));
if !found {
return None;
}
let mut value = glib::Value::uninitialized();
ffi::gst_child_proxy_get_property(
self.to_glib_none().0,
name.to_glib_none().0,
value.to_glib_none_mut().0,
);
Some(value)
}
}
fn set_child_property(&self, name: &str, value: &glib::ToValue) -> Result<(), glib::BoolError> {
unsafe {
let found: bool = from_glib(ffi::gst_child_proxy_lookup(
self.to_glib_none().0,
name.to_glib_none().0,
ptr::null_mut(),
ptr::null_mut(),
));
if !found {
return Err(glib::BoolError("Child property not found"));
}
let value = value.to_value();
ffi::gst_child_proxy_set_property(
self.to_glib_none().0,
name.to_glib_none().0,
value.to_glib_none().0,
);
Ok(())
}
}
}