use gio_sys;
use glib;
use glib::object::IsA;
use glib::translate::*;
use glib_sys;
use gobject_sys;
use std::boxed::Box as Box_;
use std::fmt;
use std::pin::Pin;
use std::ptr;
use Cancellable;
use File;
use FileInfo;
glib_wrapper! {
pub struct FileEnumerator(Object<gio_sys::GFileEnumerator, gio_sys::GFileEnumeratorClass, FileEnumeratorClass>);
match fn {
get_type => || gio_sys::g_file_enumerator_get_type(),
}
}
pub const NONE_FILE_ENUMERATOR: Option<&FileEnumerator> = None;
pub trait FileEnumeratorExt: 'static {
fn close<P: IsA<Cancellable>>(&self, cancellable: Option<&P>) -> Result<(), glib::Error>;
fn close_async<P: IsA<Cancellable>, Q: FnOnce(Result<(), glib::Error>) + Send + 'static>(
&self,
io_priority: glib::Priority,
cancellable: Option<&P>,
callback: Q,
);
fn close_async_future(
&self,
io_priority: glib::Priority,
) -> Pin<Box_<dyn std::future::Future<Output = Result<(), glib::Error>> + 'static>>;
fn get_child(&self, info: &FileInfo) -> Option<File>;
fn get_container(&self) -> Option<File>;
fn has_pending(&self) -> bool;
fn is_closed(&self) -> bool;
fn next_file<P: IsA<Cancellable>>(
&self,
cancellable: Option<&P>,
) -> Result<Option<FileInfo>, glib::Error>;
fn next_files_async<
P: IsA<Cancellable>,
Q: FnOnce(Result<Vec<FileInfo>, glib::Error>) + Send + 'static,
>(
&self,
num_files: i32,
io_priority: glib::Priority,
cancellable: Option<&P>,
callback: Q,
);
fn next_files_async_future(
&self,
num_files: i32,
io_priority: glib::Priority,
) -> Pin<Box_<dyn std::future::Future<Output = Result<Vec<FileInfo>, glib::Error>> + 'static>>;
fn set_pending(&self, pending: bool);
}
impl<O: IsA<FileEnumerator>> FileEnumeratorExt for O {
fn close<P: IsA<Cancellable>>(&self, cancellable: Option<&P>) -> Result<(), glib::Error> {
unsafe {
let mut error = ptr::null_mut();
let _ = gio_sys::g_file_enumerator_close(
self.as_ref().to_glib_none().0,
cancellable.map(|p| p.as_ref()).to_glib_none().0,
&mut error,
);
if error.is_null() {
Ok(())
} else {
Err(from_glib_full(error))
}
}
}
fn close_async<P: IsA<Cancellable>, Q: FnOnce(Result<(), glib::Error>) + Send + 'static>(
&self,
io_priority: glib::Priority,
cancellable: Option<&P>,
callback: Q,
) {
let user_data: Box_<Q> = Box_::new(callback);
unsafe extern "C" fn close_async_trampoline<
Q: FnOnce(Result<(), glib::Error>) + Send + 'static,
>(
_source_object: *mut gobject_sys::GObject,
res: *mut gio_sys::GAsyncResult,
user_data: glib_sys::gpointer,
) {
let mut error = ptr::null_mut();
let _ =
gio_sys::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_<Q> = Box_::from_raw(user_data as *mut _);
callback(result);
}
let callback = close_async_trampoline::<Q>;
unsafe {
gio_sys::g_file_enumerator_close_async(
self.as_ref().to_glib_none().0,
io_priority.to_glib(),
cancellable.map(|p| p.as_ref()).to_glib_none().0,
Some(callback),
Box_::into_raw(user_data) as *mut _,
);
}
}
fn close_async_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, send| {
let cancellable = Cancellable::new();
obj.close_async(io_priority, Some(&cancellable), move |res| {
send.resolve(res);
});
cancellable
}))
}
fn get_child(&self, info: &FileInfo) -> Option<File> {
unsafe {
from_glib_full(gio_sys::g_file_enumerator_get_child(
self.as_ref().to_glib_none().0,
info.to_glib_none().0,
))
}
}
fn get_container(&self) -> Option<File> {
unsafe {
from_glib_none(gio_sys::g_file_enumerator_get_container(
self.as_ref().to_glib_none().0,
))
}
}
fn has_pending(&self) -> bool {
unsafe {
from_glib(gio_sys::g_file_enumerator_has_pending(
self.as_ref().to_glib_none().0,
))
}
}
fn is_closed(&self) -> bool {
unsafe {
from_glib(gio_sys::g_file_enumerator_is_closed(
self.as_ref().to_glib_none().0,
))
}
}
fn next_file<P: IsA<Cancellable>>(
&self,
cancellable: Option<&P>,
) -> Result<Option<FileInfo>, glib::Error> {
unsafe {
let mut error = ptr::null_mut();
let ret = gio_sys::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))
}
}
}
fn next_files_async<
P: IsA<Cancellable>,
Q: FnOnce(Result<Vec<FileInfo>, glib::Error>) + Send + 'static,
>(
&self,
num_files: i32,
io_priority: glib::Priority,
cancellable: Option<&P>,
callback: Q,
) {
let user_data: Box_<Q> = Box_::new(callback);
unsafe extern "C" fn next_files_async_trampoline<
Q: FnOnce(Result<Vec<FileInfo>, glib::Error>) + Send + 'static,
>(
_source_object: *mut gobject_sys::GObject,
res: *mut gio_sys::GAsyncResult,
user_data: glib_sys::gpointer,
) {
let mut error = ptr::null_mut();
let ret = gio_sys::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_<Q> = Box_::from_raw(user_data as *mut _);
callback(result);
}
let callback = next_files_async_trampoline::<Q>;
unsafe {
gio_sys::g_file_enumerator_next_files_async(
self.as_ref().to_glib_none().0,
num_files,
io_priority.to_glib(),
cancellable.map(|p| p.as_ref()).to_glib_none().0,
Some(callback),
Box_::into_raw(user_data) as *mut _,
);
}
}
fn next_files_async_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, send| {
let cancellable = Cancellable::new();
obj.next_files_async(num_files, io_priority, Some(&cancellable), move |res| {
send.resolve(res);
});
cancellable
}))
}
fn set_pending(&self, pending: bool) {
unsafe {
gio_sys::g_file_enumerator_set_pending(
self.as_ref().to_glib_none().0,
pending.to_glib(),
);
}
}
}
impl fmt::Display for FileEnumerator {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
write!(f, "FileEnumerator")
}
}