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use Cancellable;
use Error;
use InputStream;
use OutputStream;
use ffi;
#[cfg(feature = "futures")]
use futures_core;
use glib;
use glib::StaticType;
use glib::Value;
use glib::object::Downcast;
use glib::object::IsA;
use glib::signal::SignalHandlerId;
use glib::signal::connect;
use glib::translate::*;
use glib_ffi;
use gobject_ffi;
use std::boxed::Box as Box_;
use std::mem;
use std::mem::transmute;
use std::ptr;
glib_wrapper! {
pub struct IOStream(Object<ffi::GIOStream, ffi::GIOStreamClass>);
match fn {
get_type => || ffi::g_io_stream_get_type(),
}
}
impl IOStream {}
pub trait IOStreamExt: Sized {
fn clear_pending(&self);
fn close<'a, P: Into<Option<&'a Cancellable>>>(&self, cancellable: P) -> Result<(), Error>;
fn close_async<'a, P: Into<Option<&'a Cancellable>>, Q: FnOnce(Result<(), Error>) + Send + 'static>(&self, io_priority: glib::Priority, cancellable: P, callback: Q);
#[cfg(feature = "futures")]
fn close_async_future(&self, io_priority: glib::Priority) -> Box_<futures_core::Future<Item = (Self, ()), Error = (Self, Error)>>;
fn get_input_stream(&self) -> Option<InputStream>;
fn get_output_stream(&self) -> Option<OutputStream>;
fn has_pending(&self) -> bool;
fn is_closed(&self) -> bool;
fn set_pending(&self) -> Result<(), Error>;
fn get_property_closed(&self) -> bool;
fn connect_property_closed_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId;
}
impl<O: IsA<IOStream> + IsA<glib::object::Object> + Clone + 'static> IOStreamExt for O {
fn clear_pending(&self) {
unsafe {
ffi::g_io_stream_clear_pending(self.to_glib_none().0);
}
}
fn close<'a, P: Into<Option<&'a Cancellable>>>(&self, cancellable: P) -> Result<(), Error> {
let cancellable = cancellable.into();
let cancellable = cancellable.to_glib_none();
unsafe {
let mut error = ptr::null_mut();
let _ = ffi::g_io_stream_close(self.to_glib_none().0, cancellable.0, &mut error);
if error.is_null() { Ok(()) } else { Err(from_glib_full(error)) }
}
}
fn close_async<'a, P: Into<Option<&'a Cancellable>>, Q: FnOnce(Result<(), Error>) + Send + 'static>(&self, io_priority: glib::Priority, cancellable: P, callback: Q) {
let cancellable = cancellable.into();
let cancellable = cancellable.to_glib_none();
let user_data: Box<Box<Q>> = Box::new(Box::new(callback));
unsafe extern "C" fn close_async_trampoline<Q: FnOnce(Result<(), Error>) + Send + 'static>(_source_object: *mut gobject_ffi::GObject, res: *mut ffi::GAsyncResult, user_data: glib_ffi::gpointer)
{
let mut error = ptr::null_mut();
let _ = ffi::g_io_stream_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<Box<Q>> = Box::from_raw(user_data as *mut _);
callback(result);
}
let callback = close_async_trampoline::<Q>;
unsafe {
ffi::g_io_stream_close_async(self.to_glib_none().0, io_priority.to_glib(), cancellable.0, Some(callback), Box::into_raw(user_data) as *mut _);
}
}
#[cfg(feature = "futures")]
fn close_async_future(&self, io_priority: glib::Priority) -> Box_<futures_core::Future<Item = (Self, ()), Error = (Self, Error)>> {
use GioFuture;
use fragile::Fragile;
GioFuture::new(self, move |obj, send| {
let cancellable = Cancellable::new();
let send = Fragile::new(send);
let obj_clone = Fragile::new(obj.clone());
obj.close_async(
io_priority,
Some(&cancellable),
move |res| {
let obj = obj_clone.into_inner();
let res = res.map(|v| (obj.clone(), v)).map_err(|v| (obj.clone(), v));
let _ = send.into_inner().send(res);
},
);
cancellable
})
}
fn get_input_stream(&self) -> Option<InputStream> {
unsafe {
from_glib_none(ffi::g_io_stream_get_input_stream(self.to_glib_none().0))
}
}
fn get_output_stream(&self) -> Option<OutputStream> {
unsafe {
from_glib_none(ffi::g_io_stream_get_output_stream(self.to_glib_none().0))
}
}
fn has_pending(&self) -> bool {
unsafe {
from_glib(ffi::g_io_stream_has_pending(self.to_glib_none().0))
}
}
fn is_closed(&self) -> bool {
unsafe {
from_glib(ffi::g_io_stream_is_closed(self.to_glib_none().0))
}
}
fn set_pending(&self) -> Result<(), Error> {
unsafe {
let mut error = ptr::null_mut();
let _ = ffi::g_io_stream_set_pending(self.to_glib_none().0, &mut error);
if error.is_null() { Ok(()) } else { Err(from_glib_full(error)) }
}
}
fn get_property_closed(&self) -> bool {
unsafe {
let mut value = Value::from_type(<bool as StaticType>::static_type());
gobject_ffi::g_object_get_property(self.to_glib_none().0, "closed".to_glib_none().0, value.to_glib_none_mut().0);
value.get().unwrap()
}
}
fn connect_property_closed_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
unsafe {
let f: Box_<Box_<Fn(&Self) + 'static>> = Box_::new(Box_::new(f));
connect(self.to_glib_none().0, "notify::closed",
transmute(notify_closed_trampoline::<Self> as usize), Box_::into_raw(f) as *mut _)
}
}
}
unsafe extern "C" fn notify_closed_trampoline<P>(this: *mut ffi::GIOStream, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer)
where P: IsA<IOStream> {
let f: &&(Fn(&P) + 'static) = transmute(f);
f(&IOStream::from_glib_borrow(this).downcast_unchecked())
}