use crate::{AsyncResult, Cancellable};
use glib::{prelude::*, translate::*};
use std::{boxed::Box as Box_, fmt, pin::Pin, ptr};
glib::wrapper! {
#[doc(alias = "GProxyResolver")]
pub struct ProxyResolver(Interface<ffi::GProxyResolver, ffi::GProxyResolverInterface>);
match fn {
type_ => || ffi::g_proxy_resolver_get_type(),
}
}
impl ProxyResolver {
pub const NONE: Option<&'static ProxyResolver> = None;
#[doc(alias = "g_proxy_resolver_get_default")]
#[doc(alias = "get_default")]
#[allow(clippy::should_implement_trait)]
pub fn default() -> ProxyResolver {
unsafe { from_glib_none(ffi::g_proxy_resolver_get_default()) }
}
}
pub trait ProxyResolverExt: 'static {
#[doc(alias = "g_proxy_resolver_is_supported")]
fn is_supported(&self) -> bool;
#[doc(alias = "g_proxy_resolver_lookup")]
fn lookup(
&self,
uri: &str,
cancellable: Option<&impl IsA<Cancellable>>,
) -> Result<Vec<glib::GString>, glib::Error>;
#[doc(alias = "g_proxy_resolver_lookup_async")]
fn lookup_async<P: FnOnce(Result<Vec<glib::GString>, glib::Error>) + 'static>(
&self,
uri: &str,
cancellable: Option<&impl IsA<Cancellable>>,
callback: P,
);
fn lookup_future(
&self,
uri: &str,
) -> Pin<
Box_<dyn std::future::Future<Output = Result<Vec<glib::GString>, glib::Error>> + 'static>,
>;
}
impl<O: IsA<ProxyResolver>> ProxyResolverExt for O {
fn is_supported(&self) -> bool {
unsafe {
from_glib(ffi::g_proxy_resolver_is_supported(
self.as_ref().to_glib_none().0,
))
}
}
fn lookup(
&self,
uri: &str,
cancellable: Option<&impl IsA<Cancellable>>,
) -> Result<Vec<glib::GString>, glib::Error> {
unsafe {
let mut error = ptr::null_mut();
let ret = ffi::g_proxy_resolver_lookup(
self.as_ref().to_glib_none().0,
uri.to_glib_none().0,
cancellable.map(|p| p.as_ref()).to_glib_none().0,
&mut error,
);
if error.is_null() {
Ok(FromGlibPtrContainer::from_glib_full(ret))
} else {
Err(from_glib_full(error))
}
}
}
fn lookup_async<P: FnOnce(Result<Vec<glib::GString>, glib::Error>) + 'static>(
&self,
uri: &str,
cancellable: Option<&impl IsA<Cancellable>>,
callback: P,
) {
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 user_data: Box_<glib::thread_guard::ThreadGuard<P>> =
Box_::new(glib::thread_guard::ThreadGuard::new(callback));
unsafe extern "C" fn lookup_async_trampoline<
P: FnOnce(Result<Vec<glib::GString>, glib::Error>) + 'static,
>(
_source_object: *mut glib::gobject_ffi::GObject,
res: *mut crate::ffi::GAsyncResult,
user_data: glib::ffi::gpointer,
) {
let mut error = ptr::null_mut();
let ret =
ffi::g_proxy_resolver_lookup_finish(_source_object as *mut _, res, &mut error);
let result = if error.is_null() {
Ok(FromGlibPtrContainer::from_glib_full(ret))
} else {
Err(from_glib_full(error))
};
let callback: Box_<glib::thread_guard::ThreadGuard<P>> =
Box_::from_raw(user_data as *mut _);
let callback: P = callback.into_inner();
callback(result);
}
let callback = lookup_async_trampoline::<P>;
unsafe {
ffi::g_proxy_resolver_lookup_async(
self.as_ref().to_glib_none().0,
uri.to_glib_none().0,
cancellable.map(|p| p.as_ref()).to_glib_none().0,
Some(callback),
Box_::into_raw(user_data) as *mut _,
);
}
}
fn lookup_future(
&self,
uri: &str,
) -> Pin<
Box_<dyn std::future::Future<Output = Result<Vec<glib::GString>, glib::Error>> + 'static>,
> {
let uri = String::from(uri);
Box_::pin(crate::GioFuture::new(
self,
move |obj, cancellable, send| {
obj.lookup_async(&uri, Some(cancellable), move |res| {
send.resolve(res);
});
},
))
}
}
impl fmt::Display for ProxyResolver {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
f.write_str("ProxyResolver")
}
}