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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::InputStream;
use glib::{
    prelude::*,
    signal::{connect_raw, SignalHandlerId},
    translate::*,
};
use std::boxed::Box as Box_;

glib::wrapper! {
    /// Base class for input 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.
    ///
    /// ## Properties
    ///
    ///
    /// #### `base-stream`
    ///  The underlying base stream on which the I/O ops will be done.
    ///
    /// Readable | Writeable | Construct Only
    ///
    ///
    /// #### `close-base-stream`
    ///  Whether the base stream should be closed when the filter stream is closed.
    ///
    /// Readable | Writeable | Construct
    ///
    /// # Implements
    ///
    /// [`FilterInputStreamExt`][trait@crate::prelude::FilterInputStreamExt], [`InputStreamExt`][trait@crate::prelude::InputStreamExt], [`trait@glib::ObjectExt`], [`InputStreamExtManual`][trait@crate::prelude::InputStreamExtManual]
    #[doc(alias = "GFilterInputStream")]
    pub struct FilterInputStream(Object<ffi::GFilterInputStream, ffi::GFilterInputStreamClass>) @extends InputStream;

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

impl FilterInputStream {
    pub const NONE: Option<&'static FilterInputStream> = None;
}

mod sealed {
    pub trait Sealed {}
    impl<T: super::IsA<super::FilterInputStream>> Sealed for T {}
}

/// Trait containing all [`struct@FilterInputStream`] methods.
///
/// # Implementors
///
/// [`BufferedInputStream`][struct@crate::BufferedInputStream], [`ConverterInputStream`][struct@crate::ConverterInputStream], [`FilterInputStream`][struct@crate::FilterInputStream]
pub trait FilterInputStreamExt: IsA<FilterInputStream> + sealed::Sealed + 'static {
    /// Gets the base stream for the filter stream.
    ///
    /// # Returns
    ///
    /// a #GInputStream.
    #[doc(alias = "g_filter_input_stream_get_base_stream")]
    #[doc(alias = "get_base_stream")]
    fn base_stream(&self) -> InputStream {
        unsafe {
            from_glib_none(ffi::g_filter_input_stream_get_base_stream(
                self.as_ref().to_glib_none().0,
            ))
        }
    }

    /// 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_input_stream_get_close_base_stream")]
    #[doc(alias = "get_close_base_stream")]
    fn closes_base_stream(&self) -> bool {
        unsafe {
            from_glib(ffi::g_filter_input_stream_get_close_base_stream(
                self.as_ref().to_glib_none().0,
            ))
        }
    }

    /// Sets whether the base stream will be closed when @self is closed.
    /// ## `close_base`
    /// [`true`] to close the base stream.
    #[doc(alias = "g_filter_input_stream_set_close_base_stream")]
    fn set_close_base_stream(&self, close_base: bool) {
        unsafe {
            ffi::g_filter_input_stream_set_close_base_stream(
                self.as_ref().to_glib_none().0,
                close_base.into_glib(),
            );
        }
    }

    #[doc(alias = "close-base-stream")]
    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<FilterInputStream>,
            F: Fn(&P) + 'static,
        >(
            this: *mut ffi::GFilterInputStream,
            _param_spec: glib::ffi::gpointer,
            f: glib::ffi::gpointer,
        ) {
            let f: &F = &*(f as *const F);
            f(FilterInputStream::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(std::mem::transmute::<_, unsafe extern "C" fn()>(
                    notify_close_base_stream_trampoline::<Self, F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }
}

impl<O: IsA<FilterInputStream>> FilterInputStreamExt for O {}