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use Cancellable;
use Error;
use FileInfo;
use OutputStream;
use Seekable;
use ffi;
use glib;
use glib::object::IsA;
use glib::translate::*;
use glib_ffi;
use gobject_ffi;
use std::mem;
use std::ptr;
glib_wrapper! {
pub struct FileOutputStream(Object<ffi::GFileOutputStream, ffi::GFileOutputStreamClass>): OutputStream, Seekable;
match fn {
get_type => || ffi::g_file_output_stream_get_type(),
}
}
pub trait FileOutputStreamExt {
fn get_etag(&self) -> Option<String>;
fn query_info<'a, P: Into<Option<&'a Cancellable>>>(&self, attributes: &str, cancellable: P) -> Result<FileInfo, Error>;
fn query_info_async<'a, P: Into<Option<&'a Cancellable>>, Q: FnOnce(Result<FileInfo, Error>) + Send + 'static>(&self, attributes: &str, io_priority: glib::Priority, cancellable: P, callback: Q);
}
impl<O: IsA<FileOutputStream>> FileOutputStreamExt for O {
fn get_etag(&self) -> Option<String> {
unsafe {
from_glib_full(ffi::g_file_output_stream_get_etag(self.to_glib_none().0))
}
}
fn query_info<'a, P: Into<Option<&'a Cancellable>>>(&self, attributes: &str, cancellable: P) -> Result<FileInfo, Error> {
let cancellable = cancellable.into();
let cancellable = cancellable.to_glib_none();
unsafe {
let mut error = ptr::null_mut();
let ret = ffi::g_file_output_stream_query_info(self.to_glib_none().0, attributes.to_glib_none().0, cancellable.0, &mut error);
if error.is_null() { Ok(from_glib_full(ret)) } else { Err(from_glib_full(error)) }
}
}
fn query_info_async<'a, P: Into<Option<&'a Cancellable>>, Q: FnOnce(Result<FileInfo, Error>) + Send + 'static>(&self, attributes: &str, 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 query_info_async_trampoline<Q: FnOnce(Result<FileInfo, Error>) + Send + 'static>(_source_object: *mut gobject_ffi::GObject, res: *mut ffi::GAsyncResult, user_data: glib_ffi::gpointer)
{
callback_guard!();
let mut error = ptr::null_mut();
let ret = ffi::g_file_output_stream_query_info_finish(_source_object as *mut _, res, &mut error);
let result = if error.is_null() { Ok(from_glib_full(ret)) } else { Err(from_glib_full(error)) };
let callback: Box<Box<Q>> = Box::from_raw(user_data as *mut _);
callback(result);
}
let callback = query_info_async_trampoline::<Q>;
unsafe {
ffi::g_file_output_stream_query_info_async(self.to_glib_none().0, attributes.to_glib_none().0, io_priority.to_glib(), cancellable.0, Some(callback), Box::into_raw(user_data) as *mut _);
}
}
}