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use Cancellable;
use Error;
use Icon;
use InputStream;
use ffi;
#[cfg(feature = "futures")]
use futures_core;
use glib;
use glib::object::IsA;
use glib::translate::*;
use glib_ffi;
use gobject_ffi;
#[cfg(feature = "futures")]
use std::boxed::Box as Box_;
use std::mem;
use std::ptr;
glib_wrapper! {
pub struct LoadableIcon(Object<ffi::GLoadableIcon, ffi::GLoadableIconIface>): Icon;
match fn {
get_type => || ffi::g_loadable_icon_get_type(),
}
}
pub trait LoadableIconExt: Sized {
fn load<'a, P: Into<Option<&'a Cancellable>>>(&self, size: i32, cancellable: P) -> Result<(InputStream, String), Error>;
fn load_async<'a, P: Into<Option<&'a Cancellable>>, Q: FnOnce(Result<(InputStream, String), Error>) + Send + 'static>(&self, size: i32, cancellable: P, callback: Q);
#[cfg(feature = "futures")]
fn load_async_future(&self, size: i32) -> Box_<futures_core::Future<Item = (Self, (InputStream, String)), Error = (Self, Error)>>;
}
impl<O: IsA<LoadableIcon> + IsA<glib::object::Object> + Clone + 'static> LoadableIconExt for O {
fn load<'a, P: Into<Option<&'a Cancellable>>>(&self, size: i32, cancellable: P) -> Result<(InputStream, String), Error> {
let cancellable = cancellable.into();
let cancellable = cancellable.to_glib_none();
unsafe {
let mut type_ = ptr::null_mut();
let mut error = ptr::null_mut();
let ret = ffi::g_loadable_icon_load(self.to_glib_none().0, size, &mut type_, cancellable.0, &mut error);
if error.is_null() { Ok((from_glib_full(ret), from_glib_full(type_))) } else { Err(from_glib_full(error)) }
}
}
fn load_async<'a, P: Into<Option<&'a Cancellable>>, Q: FnOnce(Result<(InputStream, String), Error>) + Send + 'static>(&self, size: i32, 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 load_async_trampoline<Q: FnOnce(Result<(InputStream, String), 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 mut type_ = ptr::null_mut();
let ret = ffi::g_loadable_icon_load_finish(_source_object as *mut _, res, &mut type_, &mut error);
let result = if error.is_null() { Ok((from_glib_full(ret), from_glib_full(type_))) } else { Err(from_glib_full(error)) };
let callback: Box<Box<Q>> = Box::from_raw(user_data as *mut _);
callback(result);
}
let callback = load_async_trampoline::<Q>;
unsafe {
ffi::g_loadable_icon_load_async(self.to_glib_none().0, size, cancellable.0, Some(callback), Box::into_raw(user_data) as *mut _);
}
}
#[cfg(feature = "futures")]
fn load_async_future(&self, size: i32) -> Box_<futures_core::Future<Item = (Self, (InputStream, String)), 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.load_async(
size,
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
})
}
}