use crate::{AsyncResult, Cancellable, File, FileInfo, ffi};
use glib::{prelude::*, translate::*};
use std::{boxed::Box as Box_, pin::Pin};
glib::wrapper! {
#[doc(alias = "GFileEnumerator")]
pub struct FileEnumerator(Object<ffi::GFileEnumerator, ffi::GFileEnumeratorClass>);
match fn {
type_ => || ffi::g_file_enumerator_get_type(),
}
}
impl FileEnumerator {
pub const NONE: Option<&'static FileEnumerator> = None;
}
pub trait FileEnumeratorExt: IsA<FileEnumerator> + 'static {
#[doc(alias = "g_file_enumerator_close_async")]
fn close_async<P: FnOnce(Result<(), glib::Error>) + 'static>(
&self,
io_priority: glib::Priority,
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 close_async_trampoline<
P: FnOnce(Result<(), glib::Error>) + 'static,
>(
_source_object: *mut glib::gobject_ffi::GObject,
res: *mut crate::ffi::GAsyncResult,
user_data: glib::ffi::gpointer,
) {
unsafe {
let mut error = std::ptr::null_mut();
ffi::g_file_enumerator_close_finish(_source_object as *mut _, res, &mut error);
let result = if error.is_null() {
Ok(())
} 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 = close_async_trampoline::<P>;
unsafe {
ffi::g_file_enumerator_close_async(
self.as_ref().to_glib_none().0,
io_priority.into_glib(),
cancellable.map(|p| p.as_ref()).to_glib_none().0,
Some(callback),
Box_::into_raw(user_data) as *mut _,
);
}
}
fn close_future(
&self,
io_priority: glib::Priority,
) -> Pin<Box_<dyn std::future::Future<Output = Result<(), glib::Error>> + 'static>> {
Box_::pin(crate::GioFuture::new(
self,
move |obj, cancellable, send| {
obj.close_async(io_priority, Some(cancellable), move |res| {
send.resolve(res);
});
},
))
}
#[doc(alias = "g_file_enumerator_get_child")]
#[doc(alias = "get_child")]
fn child(&self, info: &FileInfo) -> File {
unsafe {
from_glib_full(ffi::g_file_enumerator_get_child(
self.as_ref().to_glib_none().0,
info.to_glib_none().0,
))
}
}
#[doc(alias = "g_file_enumerator_get_container")]
#[doc(alias = "get_container")]
fn container(&self) -> File {
unsafe {
from_glib_none(ffi::g_file_enumerator_get_container(
self.as_ref().to_glib_none().0,
))
}
}
#[doc(alias = "g_file_enumerator_has_pending")]
fn has_pending(&self) -> bool {
unsafe {
from_glib(ffi::g_file_enumerator_has_pending(
self.as_ref().to_glib_none().0,
))
}
}
#[doc(alias = "g_file_enumerator_is_closed")]
fn is_closed(&self) -> bool {
unsafe {
from_glib(ffi::g_file_enumerator_is_closed(
self.as_ref().to_glib_none().0,
))
}
}
#[doc(alias = "g_file_enumerator_next_file")]
fn next_file(
&self,
cancellable: Option<&impl IsA<Cancellable>>,
) -> Result<Option<FileInfo>, glib::Error> {
unsafe {
let mut error = std::ptr::null_mut();
let ret = ffi::g_file_enumerator_next_file(
self.as_ref().to_glib_none().0,
cancellable.map(|p| p.as_ref()).to_glib_none().0,
&mut error,
);
if error.is_null() {
Ok(from_glib_full(ret))
} else {
Err(from_glib_full(error))
}
}
}
#[doc(alias = "g_file_enumerator_next_files_async")]
fn next_files_async<P: FnOnce(Result<Vec<FileInfo>, glib::Error>) + 'static>(
&self,
num_files: i32,
io_priority: glib::Priority,
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 next_files_async_trampoline<
P: FnOnce(Result<Vec<FileInfo>, glib::Error>) + 'static,
>(
_source_object: *mut glib::gobject_ffi::GObject,
res: *mut crate::ffi::GAsyncResult,
user_data: glib::ffi::gpointer,
) {
unsafe {
let mut error = std::ptr::null_mut();
let ret = ffi::g_file_enumerator_next_files_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 = next_files_async_trampoline::<P>;
unsafe {
ffi::g_file_enumerator_next_files_async(
self.as_ref().to_glib_none().0,
num_files,
io_priority.into_glib(),
cancellable.map(|p| p.as_ref()).to_glib_none().0,
Some(callback),
Box_::into_raw(user_data) as *mut _,
);
}
}
fn next_files_future(
&self,
num_files: i32,
io_priority: glib::Priority,
) -> Pin<Box_<dyn std::future::Future<Output = Result<Vec<FileInfo>, glib::Error>> + 'static>>
{
Box_::pin(crate::GioFuture::new(
self,
move |obj, cancellable, send| {
obj.next_files_async(num_files, io_priority, Some(cancellable), move |res| {
send.resolve(res);
});
},
))
}
#[doc(alias = "g_file_enumerator_set_pending")]
fn set_pending(&self, pending: bool) {
unsafe {
ffi::g_file_enumerator_set_pending(self.as_ref().to_glib_none().0, pending.into_glib());
}
}
}
impl<O: IsA<FileEnumerator>> FileEnumeratorExt for O {}