gio/auto/
loadable_icon.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)
3// DO NOT EDIT
4
5use crate::{ffi, AsyncResult, Cancellable, Icon, InputStream};
6use glib::{prelude::*, translate::*};
7use std::{boxed::Box as Box_, pin::Pin};
8
9glib::wrapper! {
10    #[doc(alias = "GLoadableIcon")]
11    pub struct LoadableIcon(Interface<ffi::GLoadableIcon, ffi::GLoadableIconIface>) @requires Icon;
12
13    match fn {
14        type_ => || ffi::g_loadable_icon_get_type(),
15    }
16}
17
18impl LoadableIcon {
19    pub const NONE: Option<&'static LoadableIcon> = None;
20}
21
22pub trait LoadableIconExt: IsA<LoadableIcon> + 'static {
23    #[doc(alias = "g_loadable_icon_load")]
24    fn load(
25        &self,
26        size: i32,
27        cancellable: Option<&impl IsA<Cancellable>>,
28    ) -> Result<(InputStream, glib::GString), glib::Error> {
29        unsafe {
30            let mut type_ = std::ptr::null_mut();
31            let mut error = std::ptr::null_mut();
32            let ret = ffi::g_loadable_icon_load(
33                self.as_ref().to_glib_none().0,
34                size,
35                &mut type_,
36                cancellable.map(|p| p.as_ref()).to_glib_none().0,
37                &mut error,
38            );
39            if error.is_null() {
40                Ok((from_glib_full(ret), from_glib_full(type_)))
41            } else {
42                Err(from_glib_full(error))
43            }
44        }
45    }
46
47    #[doc(alias = "g_loadable_icon_load_async")]
48    fn load_async<P: FnOnce(Result<(InputStream, glib::GString), glib::Error>) + 'static>(
49        &self,
50        size: i32,
51        cancellable: Option<&impl IsA<Cancellable>>,
52        callback: P,
53    ) {
54        let main_context = glib::MainContext::ref_thread_default();
55        let is_main_context_owner = main_context.is_owner();
56        let has_acquired_main_context = (!is_main_context_owner)
57            .then(|| main_context.acquire().ok())
58            .flatten();
59        assert!(
60            is_main_context_owner || has_acquired_main_context.is_some(),
61            "Async operations only allowed if the thread is owning the MainContext"
62        );
63
64        let user_data: Box_<glib::thread_guard::ThreadGuard<P>> =
65            Box_::new(glib::thread_guard::ThreadGuard::new(callback));
66        unsafe extern "C" fn load_async_trampoline<
67            P: FnOnce(Result<(InputStream, glib::GString), glib::Error>) + 'static,
68        >(
69            _source_object: *mut glib::gobject_ffi::GObject,
70            res: *mut crate::ffi::GAsyncResult,
71            user_data: glib::ffi::gpointer,
72        ) {
73            let mut error = std::ptr::null_mut();
74            let mut type_ = std::ptr::null_mut();
75            let ret = ffi::g_loadable_icon_load_finish(
76                _source_object as *mut _,
77                res,
78                &mut type_,
79                &mut error,
80            );
81            let result = if error.is_null() {
82                Ok((from_glib_full(ret), from_glib_full(type_)))
83            } else {
84                Err(from_glib_full(error))
85            };
86            let callback: Box_<glib::thread_guard::ThreadGuard<P>> =
87                Box_::from_raw(user_data as *mut _);
88            let callback: P = callback.into_inner();
89            callback(result);
90        }
91        let callback = load_async_trampoline::<P>;
92        unsafe {
93            ffi::g_loadable_icon_load_async(
94                self.as_ref().to_glib_none().0,
95                size,
96                cancellable.map(|p| p.as_ref()).to_glib_none().0,
97                Some(callback),
98                Box_::into_raw(user_data) as *mut _,
99            );
100        }
101    }
102
103    fn load_future(
104        &self,
105        size: i32,
106    ) -> Pin<
107        Box_<
108            dyn std::future::Future<Output = Result<(InputStream, glib::GString), glib::Error>>
109                + 'static,
110        >,
111    > {
112        Box_::pin(crate::GioFuture::new(
113            self,
114            move |obj, cancellable, send| {
115                obj.load_async(size, Some(cancellable), move |res| {
116                    send.resolve(res);
117                });
118            },
119        ))
120    }
121}
122
123impl<O: IsA<LoadableIcon>> LoadableIconExt for O {}
gio/auto/loadable_icon.rs

gio/auto/
loadable_icon.rs
