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

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.
    ///
    /// This is an Abstract Base Class, you cannot instantiate it.
    ///
    /// # Implements
    ///
    /// [`FilterOutputStreamExt`][trait@crate::prelude::FilterOutputStreamExt], [`OutputStreamExt`][trait@crate::prelude::OutputStreamExt], [`trait@glib::ObjectExt`], [`OutputStreamExtManual`][trait@crate::prelude::OutputStreamExtManual]
    #[doc(alias = "GFilterOutputStream")]
    pub struct FilterOutputStream(Object<ffi::GFilterOutputStream, ffi::GFilterOutputStreamClass>) @extends OutputStream;

    match fn {
        type_ => || ffi::g_filter_output_stream_get_type(),
    }
}

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

/// Trait containing all [`struct@FilterOutputStream`] methods.
///
/// # Implementors
///
/// [`BufferedOutputStream`][struct@crate::BufferedOutputStream], [`ConverterOutputStream`][struct@crate::ConverterOutputStream], [`DataOutputStream`][struct@crate::DataOutputStream], [`FilterOutputStream`][struct@crate::FilterOutputStream]
pub trait FilterOutputStreamExt: 'static {
    /// Gets the base stream for the filter stream.
    ///
    /// # Returns
    ///
    /// a [`OutputStream`][crate::OutputStream].
    #[doc(alias = "g_filter_output_stream_get_base_stream")]
    #[doc(alias = "get_base_stream")]
    fn base_stream(&self) -> OutputStream;

    /// Returns whether the base stream will be closed when `self` is
    /// closed.
    ///
    /// # Returns
    ///
    /// [`true`] if the base stream will be closed.
    #[doc(alias = "g_filter_output_stream_get_close_base_stream")]
    #[doc(alias = "get_close_base_stream")]
    fn closes_base_stream(&self) -> bool;

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

    #[doc(alias = "close-base-stream")]
    fn connect_close_base_stream_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId;
}

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

    fn closes_base_stream(&self) -> bool {
        unsafe {
            from_glib(ffi::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 {
            ffi::g_filter_output_stream_set_close_base_stream(
                self.as_ref().to_glib_none().0,
                close_base.into_glib(),
            );
        }
    }

    fn connect_close_base_stream_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
        unsafe extern "C" fn notify_close_base_stream_trampoline<
            P: IsA<FilterOutputStream>,
            F: Fn(&P) + 'static,
        >(
            this: *mut ffi::GFilterOutputStream,
            _param_spec: glib::ffi::gpointer,
            f: glib::ffi::gpointer,
        ) {
            let f: &F = &*(f as *const F);
            f(FilterOutputStream::from_glib_borrow(this).unsafe_cast_ref())
        }
        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::<_, unsafe extern "C" fn()>(
                    notify_close_base_stream_trampoline::<Self, F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }
}

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