gio/
app_info.rs

1// Take a look at the license at the top of the repository in the LICENSE file.
2
3use std::boxed::Box as Box_;
4use std::pin::Pin;
5use std::ptr;
6
7use glib::prelude::*;
8use glib::translate::*;
9
10use crate::{AppInfo, AppLaunchContext, Cancellable, ffi};
11
12pub trait AppInfoExtManual: IsA<AppInfo> + 'static {
13    /// activated applications and also provides
14    /// extended error information for sandboxed applications, see notes for
15    /// [`AppInfo::launch_default_for_uri_async()`][crate::AppInfo::launch_default_for_uri_async()].
16    /// ## `uris`
17    /// a list of URIs to launch.
18    /// ## `context`
19    /// the launch context
20    /// ## `cancellable`
21    /// a [`Cancellable`][crate::Cancellable]
22    /// ## `callback`
23    /// a [type@Gio.AsyncReadyCallback] to call
24    ///   when the request is done
25    #[cfg_attr(docsrs, doc(cfg(feature = "v2_60")))]
26    #[doc(alias = "g_app_info_launch_uris_async")]
27    fn launch_uris_async<
28        P: IsA<AppLaunchContext>,
29        Q: IsA<Cancellable>,
30        R: FnOnce(Result<(), glib::Error>) + 'static,
31    >(
32        &self,
33        uris: &[&str],
34        context: Option<&P>,
35        cancellable: Option<&Q>,
36        callback: R,
37    ) {
38        let main_context = glib::MainContext::ref_thread_default();
39        let is_main_context_owner = main_context.is_owner();
40        let has_acquired_main_context = (!is_main_context_owner)
41            .then(|| main_context.acquire().ok())
42            .flatten();
43        assert!(
44            is_main_context_owner || has_acquired_main_context.is_some(),
45            "Async operations only allowed if the thread is owning the MainContext"
46        );
47
48        let user_data: Box_<(glib::thread_guard::ThreadGuard<R>, *mut *mut libc::c_char)> =
49            Box_::new((
50                glib::thread_guard::ThreadGuard::new(callback),
51                uris.to_glib_full(),
52            ));
53        unsafe extern "C" fn launch_uris_async_trampoline<
54            R: FnOnce(Result<(), glib::Error>) + 'static,
55        >(
56            _source_object: *mut glib::gobject_ffi::GObject,
57            res: *mut ffi::GAsyncResult,
58            user_data: glib::ffi::gpointer,
59        ) {
60            unsafe {
61                let mut error = ptr::null_mut();
62                let _ =
63                    ffi::g_app_info_launch_uris_finish(_source_object as *mut _, res, &mut error);
64                let result = if error.is_null() {
65                    Ok(())
66                } else {
67                    Err(from_glib_full(error))
68                };
69                let callback: Box_<(glib::thread_guard::ThreadGuard<R>, *mut *mut libc::c_char)> =
70                    Box_::from_raw(user_data as *mut _);
71                let (callback, uris) = *callback;
72                let callback = callback.into_inner();
73                callback(result);
74                glib::ffi::g_strfreev(uris);
75            }
76        }
77        let callback = launch_uris_async_trampoline::<R>;
78        unsafe {
79            ffi::g_app_info_launch_uris_async(
80                self.as_ref().to_glib_none().0,
81                uris.to_glib_none().0,
82                context.map(|p| p.as_ref()).to_glib_none().0,
83                cancellable.map(|p| p.as_ref()).to_glib_none().0,
84                Some(callback),
85                Box_::into_raw(user_data) as *mut _,
86            );
87        }
88    }
89
90    #[cfg_attr(docsrs, doc(cfg(feature = "v2_60")))]
91    fn launch_uris_future<P: IsA<AppLaunchContext> + Clone + 'static>(
92        &self,
93        uris: &[&str],
94        context: Option<&P>,
95    ) -> Pin<Box_<dyn std::future::Future<Output = Result<(), glib::Error>> + 'static>> {
96        let uris = uris.iter().copied().map(String::from).collect::<Vec<_>>();
97        let context = context.map(ToOwned::to_owned);
98        Box_::pin(crate::GioFuture::new(
99            self,
100            move |obj, cancellable, send| {
101                let uris = uris
102                    .iter()
103                    .map(::std::borrow::Borrow::borrow)
104                    .collect::<Vec<_>>();
105                obj.launch_uris_async(
106                    uris.as_ref(),
107                    context.as_ref().map(::std::borrow::Borrow::borrow),
108                    Some(cancellable),
109                    move |res| {
110                        send.resolve(res);
111                    },
112                );
113            },
114        ))
115    }
116}
117
118impl<O: IsA<AppInfo>> AppInfoExtManual for O {}
gio/app_info.rs

gio/
app_info.rs
