// 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;
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 gst;
use std::boxed::Box as Box_;
use std::mem::transmute;
use Timeline;
use TrackElement;
use TrackType;

glib_wrapper! {
    /// Corresponds to one output format (i.e. audio OR video).
    ///
    /// Contains the compatible TrackElement(s).
    ///
    /// # Implements
    ///
    /// [`GESTrackExt`](trait.GESTrackExt.html), [`gst::ElementExt`](../gst/trait.ElementExt.html), [`gst::ObjectExt`](../gst/trait.ObjectExt.html), [`glib::object::ObjectExt`](../glib/object/trait.ObjectExt.html)
    pub struct Track(Object<ges_sys::GESTrack, ges_sys::GESTrackClass, TrackClass>) @extends gst::Element, gst::Object;

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

impl Track {
    /// Creates a new `Track` with the given `type_` and `caps`.
    ///
    /// The newly created track will steal a reference to the caps. If you wish to
    /// use those caps elsewhere, you will have to take an extra reference.
    /// ## `type_`
    /// The type of track
    /// ## `caps`
    /// The caps to restrict the output of the track to.
    ///
    /// # Returns
    ///
    /// A new `Track`.
    pub fn new(type_: TrackType, caps: &gst::Caps) -> Track {
        assert_initialized_main_thread!();
        unsafe { from_glib_none(ges_sys::ges_track_new(type_.to_glib(), caps.to_glib_full())) }
    }
}

pub const NONE_TRACK: Option<&Track> = None;

/// Trait containing all `Track` methods.
///
/// # Implementors
///
/// [`Track`](struct.Track.html)
pub trait GESTrackExt: 'static {
    /// Adds the given object to the track. Sets the object's controlling track,
    /// and thus takes ownership of the `object`.
    ///
    /// An object can only be added to one track.
    /// ## `object`
    /// the `TrackElement` to add
    ///
    /// # Returns
    ///
    /// `true` if the object was properly added. `false` if the track does not
    /// want to accept the object.
    fn add_element<P: IsA<TrackElement>>(&self, object: &P) -> Result<(), glib::error::BoolError>;

    /// Commits all the pending changes of the TrackElement contained in the
    /// track.
    ///
    /// When timing changes happen in a timeline, the changes are not
    /// directly done inside NLE. This method needs to be called so any changes
    /// on a clip contained in the timeline actually happen at the media
    /// processing level.
    ///
    /// # Returns
    ///
    /// `true` if something as been commited `false` if nothing needed
    /// to be commited
    fn commit(&self) -> bool;

    /// Get the `gst::Caps` this track is configured to output.
    ///
    /// # Returns
    ///
    /// The `gst::Caps` this track is configured to output.
    fn get_caps(&self) -> Option<gst::Caps>;

    /// Gets the `TrackElement` contained in `self`
    ///
    /// # Returns
    ///
    /// the list of
    /// `TrackElement` present in the Track sorted by priority and start.
    fn get_elements(&self) -> Vec<TrackElement>;

    /// Gets if the underlying `NleComposition` contains an expandable mixer.
    ///
    /// # Returns
    ///
    /// `True` if there is a mixer, `False` otherwise.
    fn get_mixing(&self) -> bool;

    /// Get the `Timeline` this track belongs to. Can be `None`.
    ///
    /// # Returns
    ///
    /// The `Timeline` this track belongs to. Can be `None`.
    fn get_timeline(&self) -> Option<Timeline>;

    /// Removes the object from the track and unparents it.
    /// Unparenting it means the reference owned by `self` on the `object` will be
    /// removed. If you wish to use the `object` after this function, make sure you
    /// call `gst::ObjectExt::ref` before removing it from the `self`.
    /// ## `object`
    /// the `TrackElement` to remove
    ///
    /// # Returns
    ///
    /// `true` if the object was removed, else `false` if the track
    /// could not remove the object (like if it didn't belong to the track).
    fn remove_element<P: IsA<TrackElement>>(
        &self,
        object: &P,
    ) -> Result<(), glib::error::BoolError>;

    //fn set_create_element_for_gap_func<P: Fn(&Track) -> gst::Element + 'static>(&self, func: P);

    /// Sets if the `Track` should be mixing.
    /// ## `mixing`
    /// TRUE if the track should be mixing, FALSE otherwise.
    fn set_mixing(&self, mixing: bool);

    /// Sets the given `caps` as the caps the track has to output.
    /// ## `caps`
    /// the `gst::Caps` to set
    fn set_restriction_caps(&self, caps: &gst::Caps);

    /// Sets `timeline` as the timeline controlling `self`.
    /// ## `timeline`
    /// a `Timeline`
    fn set_timeline<P: IsA<Timeline>>(&self, timeline: &P);

    /// Updates the restriction caps by modifying all the fields present in `caps`
    /// in the original restriction caps. If for example the current restriction caps
    /// are video/x-raw, format=I420, width=360 and `caps` is video/x-raw, format=RGB,
    /// the restriction caps will be updated to video/x-raw, format=RGB, width=360.
    ///
    /// Modification happens for each structure in the new caps, and
    /// one can add new fields or structures through that function.
    /// ## `caps`
    /// the `gst::Caps` to update with
    fn update_restriction_caps(&self, caps: &gst::Caps);

    /// Current duration of the track
    ///
    /// Default value: O
    fn get_property_duration(&self) -> u64;

    /// Caps used to filter/choose the output stream.
    ///
    /// Default value: `GST_CAPS_ANY`.
    fn get_property_restriction_caps(&self) -> Option<gst::Caps>;

    /// Type of stream the track outputs. This is used when creating the `Track`
    /// to specify in generic terms what type of content will be outputted.
    ///
    /// It also serves as a 'fast' way to check what type of data will be outputted
    /// from the `Track` without having to actually check the `Track`'s caps
    /// property.
    fn get_property_track_type(&self) -> TrackType;

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

    /// Will be emitted after a track element was added to the track.
    /// ## `effect`
    /// the `TrackElement` that was added.
    fn connect_track_element_added<F: Fn(&Self, &TrackElement) + 'static>(
        &self,
        f: F,
    ) -> SignalHandlerId;

    /// Will be emitted after a track element was removed from the track.
    /// ## `effect`
    /// the `TrackElement` that was removed.
    fn connect_track_element_removed<F: Fn(&Self, &TrackElement) + 'static>(
        &self,
        f: F,
    ) -> SignalHandlerId;

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

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

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

impl<O: IsA<Track>> GESTrackExt for O {
    fn add_element<P: IsA<TrackElement>>(&self, object: &P) -> Result<(), glib::error::BoolError> {
        unsafe {
            glib_result_from_gboolean!(
                ges_sys::ges_track_add_element(
                    self.as_ref().to_glib_none().0,
                    object.as_ref().to_glib_none().0
                ),
                "Failed to add element"
            )
        }
    }

    fn commit(&self) -> bool {
        unsafe { from_glib(ges_sys::ges_track_commit(self.as_ref().to_glib_none().0)) }
    }

    fn get_caps(&self) -> Option<gst::Caps> {
        unsafe { from_glib_none(ges_sys::ges_track_get_caps(self.as_ref().to_glib_none().0)) }
    }

    fn get_elements(&self) -> Vec<TrackElement> {
        unsafe {
            FromGlibPtrContainer::from_glib_full(ges_sys::ges_track_get_elements(
                self.as_ref().to_glib_none().0,
            ))
        }
    }

    fn get_mixing(&self) -> bool {
        unsafe {
            from_glib(ges_sys::ges_track_get_mixing(
                self.as_ref().to_glib_none().0,
            ))
        }
    }

    fn get_timeline(&self) -> Option<Timeline> {
        unsafe {
            from_glib_none(ges_sys::ges_track_get_timeline(
                self.as_ref().to_glib_none().0,
            ))
        }
    }

    fn remove_element<P: IsA<TrackElement>>(
        &self,
        object: &P,
    ) -> Result<(), glib::error::BoolError> {
        unsafe {
            glib_result_from_gboolean!(
                ges_sys::ges_track_remove_element(
                    self.as_ref().to_glib_none().0,
                    object.as_ref().to_glib_none().0
                ),
                "Failed to remove element"
            )
        }
    }

    //fn set_create_element_for_gap_func<P: Fn(&Track) -> gst::Element + 'static>(&self, func: P) {
    //    unsafe { TODO: call ges_sys:ges_track_set_create_element_for_gap_func() }
    //}

    fn set_mixing(&self, mixing: bool) {
        unsafe {
            ges_sys::ges_track_set_mixing(self.as_ref().to_glib_none().0, mixing.to_glib());
        }
    }

    fn set_restriction_caps(&self, caps: &gst::Caps) {
        unsafe {
            ges_sys::ges_track_set_restriction_caps(
                self.as_ref().to_glib_none().0,
                caps.to_glib_none().0,
            );
        }
    }

    fn set_timeline<P: IsA<Timeline>>(&self, timeline: &P) {
        unsafe {
            ges_sys::ges_track_set_timeline(
                self.as_ref().to_glib_none().0,
                timeline.as_ref().to_glib_none().0,
            );
        }
    }

    fn update_restriction_caps(&self, caps: &gst::Caps) {
        unsafe {
            ges_sys::ges_track_update_restriction_caps(
                self.as_ref().to_glib_none().0,
                caps.to_glib_none().0,
            );
        }
    }

    fn get_property_duration(&self) -> u64 {
        unsafe {
            let mut value = Value::from_type(<u64 as StaticType>::static_type());
            gobject_sys::g_object_get_property(
                self.to_glib_none().0 as *mut gobject_sys::GObject,
                b"duration\0".as_ptr() as *const _,
                value.to_glib_none_mut().0,
            );
            value
                .get()
                .expect("Return Value for property `duration` getter")
                .unwrap()
        }
    }

    fn get_property_restriction_caps(&self) -> Option<gst::Caps> {
        unsafe {
            let mut value = Value::from_type(<gst::Caps as StaticType>::static_type());
            gobject_sys::g_object_get_property(
                self.to_glib_none().0 as *mut gobject_sys::GObject,
                b"restriction-caps\0".as_ptr() as *const _,
                value.to_glib_none_mut().0,
            );
            value
                .get()
                .expect("Return Value for property `restriction-caps` getter")
        }
    }

    fn get_property_track_type(&self) -> TrackType {
        unsafe {
            let mut value = Value::from_type(<TrackType as StaticType>::static_type());
            gobject_sys::g_object_get_property(
                self.to_glib_none().0 as *mut gobject_sys::GObject,
                b"track-type\0".as_ptr() as *const _,
                value.to_glib_none_mut().0,
            );
            value
                .get()
                .expect("Return Value for property `track-type` getter")
                .unwrap()
        }
    }

    fn connect_commited<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
        unsafe extern "C" fn commited_trampoline<P, F: Fn(&P) + 'static>(
            this: *mut ges_sys::GESTrack,
            f: glib_sys::gpointer,
        ) where
            P: IsA<Track>,
        {
            let f: &F = &*(f as *const F);
            f(&Track::from_glib_borrow(this).unsafe_cast())
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                b"commited\0".as_ptr() as *const _,
                Some(transmute(commited_trampoline::<Self, F> as usize)),
                Box_::into_raw(f),
            )
        }
    }

    fn connect_track_element_added<F: Fn(&Self, &TrackElement) + 'static>(
        &self,
        f: F,
    ) -> SignalHandlerId {
        unsafe extern "C" fn track_element_added_trampoline<P, F: Fn(&P, &TrackElement) + 'static>(
            this: *mut ges_sys::GESTrack,
            effect: *mut ges_sys::GESTrackElement,
            f: glib_sys::gpointer,
        ) where
            P: IsA<Track>,
        {
            let f: &F = &*(f as *const F);
            f(
                &Track::from_glib_borrow(this).unsafe_cast(),
                &from_glib_borrow(effect),
            )
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                b"track-element-added\0".as_ptr() as *const _,
                Some(transmute(
                    track_element_added_trampoline::<Self, F> as usize,
                )),
                Box_::into_raw(f),
            )
        }
    }

    fn connect_track_element_removed<F: Fn(&Self, &TrackElement) + 'static>(
        &self,
        f: F,
    ) -> SignalHandlerId {
        unsafe extern "C" fn track_element_removed_trampoline<
            P,
            F: Fn(&P, &TrackElement) + 'static,
        >(
            this: *mut ges_sys::GESTrack,
            effect: *mut ges_sys::GESTrackElement,
            f: glib_sys::gpointer,
        ) where
            P: IsA<Track>,
        {
            let f: &F = &*(f as *const F);
            f(
                &Track::from_glib_borrow(this).unsafe_cast(),
                &from_glib_borrow(effect),
            )
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                b"track-element-removed\0".as_ptr() as *const _,
                Some(transmute(
                    track_element_removed_trampoline::<Self, F> as usize,
                )),
                Box_::into_raw(f),
            )
        }
    }

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

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

    fn connect_property_restriction_caps_notify<F: Fn(&Self) + 'static>(
        &self,
        f: F,
    ) -> SignalHandlerId {
        unsafe extern "C" fn notify_restriction_caps_trampoline<P, F: Fn(&P) + 'static>(
            this: *mut ges_sys::GESTrack,
            _param_spec: glib_sys::gpointer,
            f: glib_sys::gpointer,
        ) where
            P: IsA<Track>,
        {
            let f: &F = &*(f as *const F);
            f(&Track::from_glib_borrow(this).unsafe_cast())
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                b"notify::restriction-caps\0".as_ptr() as *const _,
                Some(transmute(
                    notify_restriction_caps_trampoline::<Self, F> as usize,
                )),
                Box_::into_raw(f),
            )
        }
    }
}