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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)
// from gst-gir-files (https://gitlab.freedesktop.org/gstreamer/gir-files-rs.git)
// DO NOT EDIT

use crate::InterpolationMode;
use crate::TimedValueControlSource;
use glib::object::Cast;
use glib::object::IsA;
use glib::signal::connect_raw;
use glib::signal::SignalHandlerId;
use glib::translate::*;
use glib::StaticType;
use glib::ToValue;
use std::boxed::Box as Box_;
use std::mem::transmute;

glib::wrapper! {
    /// [`InterpolationControlSource`][crate::InterpolationControlSource] is a [`gst::ControlSource`][crate::gst::ControlSource], that interpolates values between user-given
    /// control points. It supports several interpolation modes and property types.
    ///
    /// To use [`InterpolationControlSource`][crate::InterpolationControlSource] get a new instance by calling
    /// [`new()`][Self::new()], bind it to a `GParamSpec` and set some
    /// control points by calling [`TimedValueControlSourceExt::set()`][crate::prelude::TimedValueControlSourceExt::set()].
    ///
    /// All functions are MT-safe.
    ///
    /// # Implements
    ///
    /// [`InterpolationControlSourceExt`][trait@crate::prelude::InterpolationControlSourceExt], [`TimedValueControlSourceExt`][trait@crate::prelude::TimedValueControlSourceExt], [`trait@gst::prelude::ControlSourceExt`], [`trait@gst::prelude::ObjectExt`]
    #[doc(alias = "GstInterpolationControlSource")]
    pub struct InterpolationControlSource(Object<ffi::GstInterpolationControlSource, ffi::GstInterpolationControlSourceClass>) @extends TimedValueControlSource, gst::ControlSource, gst::Object;

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

impl InterpolationControlSource {
    /// This returns a new, unbound [`InterpolationControlSource`][crate::InterpolationControlSource].
    ///
    /// # Returns
    ///
    /// a new, unbound [`InterpolationControlSource`][crate::InterpolationControlSource].
    #[doc(alias = "gst_interpolation_control_source_new")]
    pub fn new() -> InterpolationControlSource {
        assert_initialized_main_thread!();
        unsafe {
            gst::ControlSource::from_glib_full(ffi::gst_interpolation_control_source_new())
                .unsafe_cast()
        }
    }
}

impl Default for InterpolationControlSource {
    fn default() -> Self {
        Self::new()
    }
}

unsafe impl Send for InterpolationControlSource {}
unsafe impl Sync for InterpolationControlSource {}

pub const NONE_INTERPOLATION_CONTROL_SOURCE: Option<&InterpolationControlSource> = None;

/// Trait containing all [`struct@InterpolationControlSource`] methods.
///
/// # Implementors
///
/// [`InterpolationControlSource`][struct@crate::InterpolationControlSource]
pub trait InterpolationControlSourceExt: 'static {
    fn mode(&self) -> InterpolationMode;

    fn set_mode(&self, mode: InterpolationMode);

    #[doc(alias = "mode")]
    fn connect_mode_notify<F: Fn(&Self) + Send + Sync + 'static>(&self, f: F) -> SignalHandlerId;
}

impl<O: IsA<InterpolationControlSource>> InterpolationControlSourceExt for O {
    fn mode(&self) -> InterpolationMode {
        unsafe {
            let mut value =
                glib::Value::from_type(<InterpolationMode as StaticType>::static_type());
            glib::gobject_ffi::g_object_get_property(
                self.to_glib_none().0 as *mut glib::gobject_ffi::GObject,
                b"mode\0".as_ptr() as *const _,
                value.to_glib_none_mut().0,
            );
            value
                .get()
                .expect("Return Value for property `mode` getter")
        }
    }

    fn set_mode(&self, mode: InterpolationMode) {
        unsafe {
            glib::gobject_ffi::g_object_set_property(
                self.to_glib_none().0 as *mut glib::gobject_ffi::GObject,
                b"mode\0".as_ptr() as *const _,
                mode.to_value().to_glib_none().0,
            );
        }
    }

    #[doc(alias = "mode")]
    fn connect_mode_notify<F: Fn(&Self) + Send + Sync + 'static>(&self, f: F) -> SignalHandlerId {
        unsafe extern "C" fn notify_mode_trampoline<
            P: IsA<InterpolationControlSource>,
            F: Fn(&P) + Send + Sync + 'static,
        >(
            this: *mut ffi::GstInterpolationControlSource,
            _param_spec: glib::ffi::gpointer,
            f: glib::ffi::gpointer,
        ) {
            let f: &F = &*(f as *const F);
            f(&InterpolationControlSource::from_glib_borrow(this).unsafe_cast_ref())
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                b"notify::mode\0".as_ptr() as *const _,
                Some(transmute::<_, unsafe extern "C" fn()>(
                    notify_mode_trampoline::<Self, F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }
}