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// This file was generated by gir (https://github.com/gtk-rs/gir)
// from gir-files (https://github.com/gtk-rs/gir-files)
// DO NOT EDIT

use gio_sys;
use glib;
use glib::object::IsA;
use glib::translate::*;
use std::fmt;
use std::ptr;
use Cancellable;
use OutputStream;

glib_wrapper! {
    pub struct PollableOutputStream(Interface<gio_sys::GPollableOutputStream>) @requires OutputStream;

    match fn {
        get_type => || gio_sys::g_pollable_output_stream_get_type(),
    }
}

pub const NONE_POLLABLE_OUTPUT_STREAM: Option<&PollableOutputStream> = None;

pub trait PollableOutputStreamExt: 'static {
    fn can_poll(&self) -> bool;

    fn is_writable(&self) -> bool;

    fn write_nonblocking<P: IsA<Cancellable>>(
        &self,
        buffer: &[u8],
        cancellable: Option<&P>,
    ) -> Result<isize, glib::Error>;

    //#[cfg(any(feature = "v2_60", feature = "dox"))]
    //fn writev_nonblocking<P: IsA<Cancellable>>(&self, vectors: /*Ignored*/&[&OutputVector], cancellable: Option<&P>) -> Result<(/*Ignored*/PollableReturn, usize), glib::Error>;
}

impl<O: IsA<PollableOutputStream>> PollableOutputStreamExt for O {
    fn can_poll(&self) -> bool {
        unsafe {
            from_glib(gio_sys::g_pollable_output_stream_can_poll(
                self.as_ref().to_glib_none().0,
            ))
        }
    }

    fn is_writable(&self) -> bool {
        unsafe {
            from_glib(gio_sys::g_pollable_output_stream_is_writable(
                self.as_ref().to_glib_none().0,
            ))
        }
    }

    fn write_nonblocking<P: IsA<Cancellable>>(
        &self,
        buffer: &[u8],
        cancellable: Option<&P>,
    ) -> Result<isize, glib::Error> {
        let count = buffer.len() as usize;
        unsafe {
            let mut error = ptr::null_mut();
            let ret = gio_sys::g_pollable_output_stream_write_nonblocking(
                self.as_ref().to_glib_none().0,
                buffer.to_glib_none().0,
                count,
                cancellable.map(|p| p.as_ref()).to_glib_none().0,
                &mut error,
            );
            if error.is_null() {
                Ok(ret)
            } else {
                Err(from_glib_full(error))
            }
        }
    }

    //#[cfg(any(feature = "v2_60", feature = "dox"))]
    //fn writev_nonblocking<P: IsA<Cancellable>>(&self, vectors: /*Ignored*/&[&OutputVector], cancellable: Option<&P>) -> Result<(/*Ignored*/PollableReturn, usize), glib::Error> {
    //    unsafe { TODO: call gio_sys:g_pollable_output_stream_writev_nonblocking() }
    //}
}

impl fmt::Display for PollableOutputStream {
    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
        write!(f, "PollableOutputStream")
    }
}