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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::object::Cast;
use glib::object::IsA;
use glib::signal::connect_raw;
use glib::signal::SignalHandlerId;
use glib::translate::*;
use glib_sys;
use std::boxed::Box as Box_;
use std::fmt;
use std::mem::transmute;
use OutputStream;

glib_wrapper! {
    /// Base class for output stream implementations that perform some
    /// kind of filtering operation on a base stream. Typical examples
    /// of filtering operations are character set conversion, compression
    /// and byte order flipping.
    ///
    /// # Implements
    ///
    /// [`FilterOutputStreamExt`](trait.FilterOutputStreamExt.html), [`OutputStreamExt`](trait.OutputStreamExt.html), [`glib::object::ObjectExt`](../glib/object/trait.ObjectExt.html), [`OutputStreamExtManual`](prelude/trait.OutputStreamExtManual.html)
    pub struct FilterOutputStream(Object<gio_sys::GFilterOutputStream, gio_sys::GFilterOutputStreamClass, FilterOutputStreamClass>) @extends OutputStream;

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

pub const NONE_FILTER_OUTPUT_STREAM: Option<&FilterOutputStream> = None;

/// Trait containing all `FilterOutputStream` methods.
///
/// # Implementors
///
/// [`BufferedOutputStream`](struct.BufferedOutputStream.html), [`ConverterOutputStream`](struct.ConverterOutputStream.html), [`DataOutputStream`](struct.DataOutputStream.html), [`FilterOutputStream`](struct.FilterOutputStream.html)
pub trait FilterOutputStreamExt: 'static {
    /// Gets the base stream for the filter stream.
    ///
    /// # Returns
    ///
    /// a `OutputStream`.
    fn get_base_stream(&self) -> Option<OutputStream>;

    /// Returns whether the base stream will be closed when `self` is
    /// closed.
    ///
    /// # Returns
    ///
    /// `true` if the base stream will be closed.
    fn get_close_base_stream(&self) -> bool;

    /// Sets whether the base stream will be closed when `self` is closed.
    /// ## `close_base`
    /// `true` to close the base stream.
    fn set_close_base_stream(&self, close_base: bool);

    fn connect_property_close_base_stream_notify<F: Fn(&Self) + 'static>(
        &self,
        f: F,
    ) -> SignalHandlerId;
}

impl<O: IsA<FilterOutputStream>> FilterOutputStreamExt for O {
    fn get_base_stream(&self) -> Option<OutputStream> {
        unsafe {
            from_glib_none(gio_sys::g_filter_output_stream_get_base_stream(
                self.as_ref().to_glib_none().0,
            ))
        }
    }

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

    fn set_close_base_stream(&self, close_base: bool) {
        unsafe {
            gio_sys::g_filter_output_stream_set_close_base_stream(
                self.as_ref().to_glib_none().0,
                close_base.to_glib(),
            );
        }
    }

    fn connect_property_close_base_stream_notify<F: Fn(&Self) + 'static>(
        &self,
        f: F,
    ) -> SignalHandlerId {
        unsafe extern "C" fn notify_close_base_stream_trampoline<P, F: Fn(&P) + 'static>(
            this: *mut gio_sys::GFilterOutputStream,
            _param_spec: glib_sys::gpointer,
            f: glib_sys::gpointer,
        ) where
            P: IsA<FilterOutputStream>,
        {
            let f: &F = &*(f as *const F);
            f(&FilterOutputStream::from_glib_borrow(this).unsafe_cast())
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                b"notify::close-base-stream\0".as_ptr() as *const _,
                Some(transmute(
                    notify_close_base_stream_trampoline::<Self, F> as usize,
                )),
                Box_::into_raw(f),
            )
        }
    }
}

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