1// Take a look at the license at the top of the repository in the LICENSE file.
2
3use glib::prelude::*;
4
5use crate::value::GstValueExt;
6
7mod sealed {
8 pub trait Sealed {}
9 impl<T: super::IsA<glib::Object>> Sealed for T {}
10}
11
12pub trait GObjectExtManualGst: sealed::Sealed + IsA<glib::Object> + 'static {
13 #[doc(alias = "gst_util_set_object_arg")]
14 #[track_caller]
15 fn set_property_from_str(&self, name: &str, value: &str) {
16 let pspec = self.find_property(name).unwrap_or_else(|| {
17 panic!("property '{}' of type '{}' not found", name, self.type_());
18 });
19
20 let value = {
21 if pspec.value_type() == crate::Structure::static_type() && value == "NULL" {
22 None::<crate::Structure>.to_value()
23 } else {
24 #[cfg(feature = "v1_20")]
25 {
26 glib::Value::deserialize_with_pspec(value, &pspec).unwrap_or_else(|_| {
27 panic!(
28 "property '{}' of type '{}' can't be set from string '{}'",
29 name,
30 self.type_(),
31 value,
32 )
33 })
34 }
35 #[cfg(not(feature = "v1_20"))]
36 {
37 glib::Value::deserialize(value, pspec.value_type()).unwrap_or_else(|_| {
38 panic!(
39 "property '{}' of type '{}' can't be set from string '{}'",
40 name,
41 self.type_(),
42 value,
43 )
44 })
45 }
46 }
47 };
48
49 self.set_property(name, value)
50 }
51}
52
53impl<O: IsA<glib::Object>> GObjectExtManualGst for O {}
54
55#[cfg(test)]
56mod tests {
57 use super::*;
58
59 #[test]
60 fn test_set_property_from_str() {
61 crate::init().unwrap();
62
63 let fakesink = crate::ElementFactory::make("fakesink").build().unwrap();
64 fakesink.set_property_from_str("state-error", "ready-to-paused");
65 let v = fakesink.property_value("state-error");
66 let (_klass, e) = glib::EnumValue::from_value(&v).unwrap();
67 assert_eq!(e.nick(), "ready-to-paused");
68 }
69}
70