soup/
session.rs

1use crate::{prelude::*, Message, Session, WebsocketConnection};
2use glib::translate::*;
3use std::boxed::Box as Box_;
4use std::pin::Pin;
5use std::ptr;
6
7mod sealed {
8    pub trait Sealed {}
9    impl<T: super::IsA<crate::Session>> Sealed for T {}
10}
11
12pub trait SessionExtManual: IsA<Session> + sealed::Sealed + 'static {
13    #[doc(alias = "soup_session_websocket_connect_async")]
14    fn websocket_connect_async<P: FnOnce(Result<WebsocketConnection, glib::Error>) + 'static>(
15        &self,
16        msg: &Message,
17        origin: Option<&str>,
18        protocols: &[&str],
19        io_priority: glib::Priority,
20        cancellable: Option<&impl IsA<gio::Cancellable>>,
21        callback: P,
22    ) {
23        let main_context = glib::MainContext::ref_thread_default();
24        let is_main_context_owner = main_context.is_owner();
25        let has_acquired_main_context = (!is_main_context_owner)
26            .then(|| main_context.acquire().ok())
27            .flatten();
28        assert!(
29            is_main_context_owner || has_acquired_main_context.is_some(),
30            "Async operations only allowed if the thread is owning the MainContext"
31        );
32
33        let user_data: Box_<glib::thread_guard::ThreadGuard<P>> =
34            Box_::new(glib::thread_guard::ThreadGuard::new(callback));
35        unsafe extern "C" fn websocket_connect_async_trampoline<
36            P: FnOnce(Result<WebsocketConnection, glib::Error>) + 'static,
37        >(
38            _source_object: *mut glib::gobject_ffi::GObject,
39            res: *mut gio::ffi::GAsyncResult,
40            user_data: glib::ffi::gpointer,
41        ) {
42            let mut error = ptr::null_mut();
43            let ret = ffi::soup_session_websocket_connect_finish(
44                _source_object as *mut _,
45                res,
46                &mut error,
47            );
48            let result = if error.is_null() {
49                Ok(from_glib_full(ret))
50            } else {
51                Err(from_glib_full(error))
52            };
53            let callback: Box_<glib::thread_guard::ThreadGuard<P>> =
54                Box_::from_raw(user_data as *mut _);
55            let callback = callback.into_inner();
56            callback(result);
57        }
58        let callback = websocket_connect_async_trampoline::<P>;
59        unsafe {
60            ffi::soup_session_websocket_connect_async(
61                self.as_ref().to_glib_none().0,
62                msg.to_glib_none().0,
63                origin.to_glib_none().0,
64                protocols.to_glib_none().0,
65                io_priority.into_glib(),
66                cancellable.map(|p| p.as_ref()).to_glib_none().0,
67                Some(callback),
68                Box_::into_raw(user_data) as *mut _,
69            );
70        }
71    }
72
73    fn websocket_connect_async_future(
74        &self,
75        msg: &Message,
76        origin: Option<&str>,
77        protocols: &[&str],
78        io_priority: glib::Priority,
79    ) -> Pin<
80        Box_<dyn std::future::Future<Output = Result<WebsocketConnection, glib::Error>> + 'static>,
81    > {
82        let msg = msg.clone();
83        let origin = origin.map(ToOwned::to_owned);
84        let protocols = protocols
85            .iter()
86            .copied()
87            .map(String::from)
88            .collect::<Vec<_>>();
89        Box_::pin(gio::GioFuture::new(self, move |obj, cancellable, send| {
90            let protocols = protocols.iter().map(|s| s.as_str()).collect::<Vec<_>>();
91            obj.websocket_connect_async(
92                &msg,
93                origin.as_ref().map(::std::borrow::Borrow::borrow),
94                &protocols,
95                io_priority,
96                Some(cancellable),
97                move |res| {
98                    send.resolve(res);
99                },
100            );
101        }))
102    }
103}
104
105impl<O: IsA<Session>> SessionExtManual for O {}