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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 ges_sys;
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::Value;
use glib_sys;
use gobject_sys;
use std::boxed::Box as Box_;
use std::mem::transmute;
use BaseTransitionClip;
use Clip;
use Container;
use Extractable;
use OperationClip;
use TimelineElement;
use VideoStandardTransitionType;

glib_wrapper! {
    /// Creates an object that mixes together the two underlying objects, A and B.
    /// The A object is assumed to have a higher prioirity (lower number) than the
    /// B object. At the transition in point, only A will be visible, and by the
    /// end only B will be visible.
    ///
    /// The shape of the video transition depends on the value of the "vtype"
    /// property. The default value is "crossfade". For audio, only "crossfade" is
    /// supported.
    ///
    /// The ID of the ExtractableType is the nickname of the vtype property value. Note
    /// that this value can be changed after creation and the GESExtractable.asset value
    /// will be updated when needed.
    ///
    /// # Implements
    ///
    /// [`TransitionClipExt`](trait.TransitionClipExt.html), [`BaseTransitionClipExt`](trait.BaseTransitionClipExt.html), [`OperationClipExt`](trait.OperationClipExt.html), [`ClipExt`](trait.ClipExt.html), [`GESContainerExt`](trait.GESContainerExt.html), [`TimelineElementExt`](trait.TimelineElementExt.html), [`glib::object::ObjectExt`](../glib/object/trait.ObjectExt.html), [`ExtractableExt`](trait.ExtractableExt.html), [`TimelineElementExtManual`](prelude/trait.TimelineElementExtManual.html)
    pub struct TransitionClip(Object<ges_sys::GESTransitionClip, ges_sys::GESTransitionClipClass, TransitionClipClass>) @extends BaseTransitionClip, OperationClip, Clip, Container, TimelineElement, @implements Extractable;

    match fn {
        get_type => || ges_sys::ges_transition_clip_get_type(),
    }
}

impl TransitionClip {
    /// Creates a new `TransitionClip`.
    /// ## `vtype`
    /// the type of transition to create
    ///
    /// # Returns
    ///
    /// a newly created `TransitionClip`,
    /// or `None` if something went wrong.
    pub fn new(vtype: VideoStandardTransitionType) -> Option<TransitionClip> {
        assert_initialized_main_thread!();
        unsafe { from_glib_none(ges_sys::ges_transition_clip_new(vtype.to_glib())) }
    }

    /// Creates a new `TransitionClip` for the provided `nick`.
    /// ## `nick`
    /// a string representing the type of transition to create
    ///
    /// # Returns
    ///
    /// The newly created `TransitionClip`,
    /// or `None` if something went wrong
    pub fn new_for_nick(nick: &str) -> Option<TransitionClip> {
        assert_initialized_main_thread!();
        unsafe {
            from_glib_none(ges_sys::ges_transition_clip_new_for_nick(
                nick.to_glib_none().0,
            ))
        }
    }
}

pub const NONE_TRANSITION_CLIP: Option<&TransitionClip> = None;

/// Trait containing all `TransitionClip` methods.
///
/// # Implementors
///
/// [`TransitionClip`](struct.TransitionClip.html)
pub trait TransitionClipExt: 'static {
    /// a `VideoStandardTransitionType` representing the wipe to use
    fn get_property_vtype(&self) -> VideoStandardTransitionType;

    /// a `VideoStandardTransitionType` representing the wipe to use
    fn set_property_vtype(&self, vtype: VideoStandardTransitionType);

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

impl<O: IsA<TransitionClip>> TransitionClipExt for O {
    fn get_property_vtype(&self) -> VideoStandardTransitionType {
        unsafe {
            let mut value =
                Value::from_type(<VideoStandardTransitionType as StaticType>::static_type());
            gobject_sys::g_object_get_property(
                self.to_glib_none().0 as *mut gobject_sys::GObject,
                b"vtype\0".as_ptr() as *const _,
                value.to_glib_none_mut().0,
            );
            value
                .get()
                .expect("Return Value for property `vtype` getter")
                .unwrap()
        }
    }

    fn set_property_vtype(&self, vtype: VideoStandardTransitionType) {
        unsafe {
            gobject_sys::g_object_set_property(
                self.to_glib_none().0 as *mut gobject_sys::GObject,
                b"vtype\0".as_ptr() as *const _,
                Value::from(&vtype).to_glib_none().0,
            );
        }
    }

    fn connect_property_vtype_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
        unsafe extern "C" fn notify_vtype_trampoline<P, F: Fn(&P) + 'static>(
            this: *mut ges_sys::GESTransitionClip,
            _param_spec: glib_sys::gpointer,
            f: glib_sys::gpointer,
        ) where
            P: IsA<TransitionClip>,
        {
            let f: &F = &*(f as *const F);
            f(&TransitionClip::from_glib_borrow(this).unsafe_cast_ref())
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                b"notify::vtype\0".as_ptr() as *const _,
                Some(transmute::<_, unsafe extern "C" fn()>(
                    notify_vtype_trampoline::<Self, F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }
}