javascriptcore/auto/
weak_value.rs

1// This file was generated by gir (https://github.com/gtk-rs/gir)
2// from gir-files (https://github.com/gtk-rs/gir-files.git)
3// from webkit2gtk-gir-files
4// DO NOT EDIT
5
6use crate::Value;
7use glib::{
8    prelude::*,
9    signal::{connect_raw, SignalHandlerId},
10    translate::*,
11};
12use std::{boxed::Box as Box_, fmt, mem::transmute};
13
14glib::wrapper! {
15    #[doc(alias = "JSCWeakValue")]
16    pub struct WeakValue(Object<ffi::JSCWeakValue, ffi::JSCWeakValueClass>);
17
18    match fn {
19        type_ => || ffi::jsc_weak_value_get_type(),
20    }
21}
22
23impl WeakValue {
24    pub const NONE: Option<&'static WeakValue> = None;
25
26    #[doc(alias = "jsc_weak_value_new")]
27    pub fn new(value: &impl IsA<Value>) -> WeakValue {
28        unsafe { from_glib_full(ffi::jsc_weak_value_new(value.as_ref().to_glib_none().0)) }
29    }
30
31    // rustdoc-stripper-ignore-next
32    /// Creates a new builder-pattern struct instance to construct [`WeakValue`] objects.
33    ///
34    /// This method returns an instance of [`WeakValueBuilder`](crate::builders::WeakValueBuilder) which can be used to create [`WeakValue`] objects.
35    pub fn builder() -> WeakValueBuilder {
36        WeakValueBuilder::new()
37    }
38}
39
40impl Default for WeakValue {
41    fn default() -> Self {
42        glib::object::Object::new::<Self>()
43    }
44}
45
46// rustdoc-stripper-ignore-next
47/// A [builder-pattern] type to construct [`WeakValue`] objects.
48///
49/// [builder-pattern]: https://doc.rust-lang.org/1.0.0/style/ownership/builders.html
50#[must_use = "The builder must be built to be used"]
51pub struct WeakValueBuilder {
52    builder: glib::object::ObjectBuilder<'static, WeakValue>,
53}
54
55impl WeakValueBuilder {
56    fn new() -> Self {
57        Self {
58            builder: glib::object::Object::builder(),
59        }
60    }
61
62    pub fn value(self, value: &impl IsA<Value>) -> Self {
63        Self {
64            builder: self.builder.property("value", value.clone().upcast()),
65        }
66    }
67
68    // rustdoc-stripper-ignore-next
69    /// Build the [`WeakValue`].
70    #[must_use = "Building the object from the builder is usually expensive and is not expected to have side effects"]
71    pub fn build(self) -> WeakValue {
72        self.builder.build()
73    }
74}
75
76pub trait WeakValueExt: 'static {
77    #[doc(alias = "jsc_weak_value_get_value")]
78    #[doc(alias = "get_value")]
79    fn value(&self) -> Option<Value>;
80
81    #[doc(alias = "cleared")]
82    fn connect_cleared<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId;
83}
84
85impl<O: IsA<WeakValue>> WeakValueExt for O {
86    fn value(&self) -> Option<Value> {
87        unsafe {
88            from_glib_full(ffi::jsc_weak_value_get_value(
89                self.as_ref().to_glib_none().0,
90            ))
91        }
92    }
93
94    fn connect_cleared<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
95        unsafe extern "C" fn cleared_trampoline<P: IsA<WeakValue>, F: Fn(&P) + 'static>(
96            this: *mut ffi::JSCWeakValue,
97            f: glib::ffi::gpointer,
98        ) {
99            let f: &F = &*(f as *const F);
100            f(WeakValue::from_glib_borrow(this).unsafe_cast_ref())
101        }
102        unsafe {
103            let f: Box_<F> = Box_::new(f);
104            connect_raw(
105                self.as_ptr() as *mut _,
106                b"cleared\0".as_ptr() as *const _,
107                Some(transmute::<_, unsafe extern "C" fn()>(
108                    cleared_trampoline::<Self, F> as *const (),
109                )),
110                Box_::into_raw(f),
111            )
112        }
113    }
114}
115
116impl fmt::Display for WeakValue {
117    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
118        f.write_str("WeakValue")
119    }
120}
javascriptcore/auto/weak_value.rs

javascriptcore/auto/
weak_value.rs
