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use crate::Cancellable;
use crate::Subprocess;
use glib::object::IsA;
use glib::translate::*;
use glib::GString;
use libc::c_char;
use std::pin::Pin;
use std::ptr;
impl Subprocess {
#[doc(alias = "g_subprocess_communicate_utf8_async")]
pub fn communicate_utf8_async<
R: FnOnce(Result<(Option<GString>, Option<GString>), glib::Error>) + 'static,
C: IsA<Cancellable>,
>(
&self,
stdin_buf: Option<String>,
cancellable: Option<&C>,
callback: R,
) {
let main_context = glib::MainContext::ref_thread_default();
let is_main_context_owner = main_context.is_owner();
let has_acquired_main_context = (!is_main_context_owner)
.then(|| main_context.acquire().ok())
.flatten();
assert!(
is_main_context_owner || has_acquired_main_context.is_some(),
"Async operations only allowed if the thread is owning the MainContext"
);
let stdin_buf = stdin_buf.to_glib_full();
let cancellable = cancellable.map(|c| c.as_ref());
let gcancellable = cancellable.to_glib_none();
let user_data: Box<(glib::thread_guard::ThreadGuard<R>, *mut c_char)> =
Box::new((glib::thread_guard::ThreadGuard::new(callback), stdin_buf));
unsafe extern "C" fn communicate_utf8_async_trampoline<
R: FnOnce(Result<(Option<GString>, Option<GString>), glib::Error>) + 'static,
>(
_source_object: *mut glib::gobject_ffi::GObject,
res: *mut ffi::GAsyncResult,
user_data: glib::ffi::gpointer,
) {
let mut error = ptr::null_mut();
let mut stdout_buf = ptr::null_mut();
let mut stderr_buf = ptr::null_mut();
let _ = ffi::g_subprocess_communicate_utf8_finish(
_source_object as *mut _,
res,
&mut stdout_buf,
&mut stderr_buf,
&mut error,
);
let result = if error.is_null() {
Ok((from_glib_full(stdout_buf), from_glib_full(stderr_buf)))
} else {
Err(from_glib_full(error))
};
let callback: Box<(glib::thread_guard::ThreadGuard<R>, *mut c_char)> =
Box::from_raw(user_data as *mut _);
glib::ffi::g_free(callback.1 as *mut _);
(callback.0.into_inner())(result);
}
unsafe {
ffi::g_subprocess_communicate_utf8_async(
self.to_glib_none().0,
stdin_buf,
gcancellable.0,
Some(communicate_utf8_async_trampoline::<R>),
Box::into_raw(user_data) as *mut _,
);
}
}
pub fn communicate_utf8_future(
&self,
stdin_buf: Option<String>,
) -> Pin<
Box<
dyn std::future::Future<
Output = Result<(Option<GString>, Option<GString>), glib::Error>,
> + 'static,
>,
> {
Box::pin(crate::GioFuture::new(
self,
move |obj, cancellable, send| {
obj.communicate_utf8_async(stdin_buf, Some(cancellable), move |res| {
send.resolve(res);
});
},
))
}
}