// 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 std::boxed::Box as Box_;
use std::mem::transmute;
use Edge;
use EditMode;
use Extractable;
use Layer;
use TimelineElement;

glib_wrapper! {
    /// The `Container` base class.
    ///
    /// # Implements
    ///
    /// [`GESContainerExt`](trait.GESContainerExt.html), [`TimelineElementExt`](trait.TimelineElementExt.html), [`glib::object::ObjectExt`](../glib/object/trait.ObjectExt.html), [`ExtractableExt`](trait.ExtractableExt.html)
    pub struct Container(Object<ges_sys::GESContainer, ges_sys::GESContainerClass, ContainerClass>) @extends TimelineElement, @implements Extractable;

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

impl Container {
    /// Groups the `Container`-s provided in `containers`. It creates a subclass
    /// of `Container`, depending on the containers provided in `containers`.
    /// Basically, if all the containers in `containers` should be contained in a same
    /// clip (all the `TrackElement` they contain have the exact same
    /// start/inpoint/duration and are in the same layer), it will create a `Clip`
    /// otherwise a `Group` will be created
    /// ## `containers`
    /// The
    /// `Container` to group, they must all be in a same `Timeline`
    ///
    /// # Returns
    ///
    /// The `Container` (subclass) resulting of the
    /// grouping
    pub fn group(containers: &[Container]) -> Option<Container> {
        assert_initialized_main_thread!();
        unsafe { from_glib_none(ges_sys::ges_container_group(containers.to_glib_none().0)) }
    }
}

pub const NONE_CONTAINER: Option<&Container> = None;

/// Trait containing all `Container` methods.
///
/// # Implementors
///
/// [`Clip`](struct.Clip.html), [`Container`](struct.Container.html), [`Group`](struct.Group.html)
pub trait GESContainerExt: 'static {
    /// Add the `TimelineElement` to the container.
    /// ## `child`
    /// the `TimelineElement`
    ///
    /// # Returns
    ///
    /// `true` on success, `false` on failure.
    fn add<P: IsA<TimelineElement>>(&self, child: &P) -> Result<(), glib::error::BoolError>;

    /// Edit `self` in the different exisiting `EditMode` modes. In the case of
    /// slide, and roll, you need to specify a `Edge`
    /// ## `layers`
    /// The layers you want the edit to
    ///  happen in, `None` means that the edition is done in all the
    ///  `GESLayers` contained in the current timeline.
    /// ## `new_layer_priority`
    /// The priority of the layer `self` should land in.
    ///  If the layer you're trying to move the container to doesn't exist, it will
    ///  be created automatically. -1 means no move.
    /// ## `mode`
    /// The `EditMode` in which the editition will happen.
    /// ## `edge`
    /// The `Edge` the edit should happen on.
    /// ## `position`
    /// The position at which to edit `self` (in nanosecond)
    ///
    /// # Returns
    ///
    /// `true` if the container as been edited properly, `false` if an error
    /// occured
    fn edit(
        &self,
        layers: &[Layer],
        new_layer_priority: i32,
        mode: EditMode,
        edge: Edge,
        position: u64,
    ) -> Result<(), glib::error::BoolError>;

    /// Get the list of `TimelineElement` contained in `self`
    /// The user is responsible for unreffing the contained objects
    /// and freeing the list.
    /// ## `recursive`
    /// Whether to recursively get children in `self`
    ///
    /// # Returns
    ///
    /// The list of
    /// timeline element contained in `self`.
    fn get_children(&self, recursive: bool) -> Vec<TimelineElement>;

    /// Release the `child` from the control of `self`.
    /// ## `child`
    /// the `TimelineElement` to release
    ///
    /// # Returns
    ///
    /// `true` if the `child` was properly released, else `false`.
    fn remove<P: IsA<TimelineElement>>(&self, child: &P) -> Result<(), glib::error::BoolError>;

    /// Ungroups the `TimelineElement` contained in this GESContainer,
    /// creating new `Container` containing those `TimelineElement`
    /// apropriately.
    /// ## `recursive`
    /// Wether to recursively ungroup `self`
    ///
    /// # Returns
    ///
    /// The list of
    /// `Container` resulting from the ungrouping operation
    /// The user is responsible for unreffing the contained objects
    /// and freeing the list.
    fn ungroup(&self, recursive: bool) -> Vec<Container>;

    /// The span of priorities which this container occupies.
    fn get_property_height(&self) -> u32;

    /// Will be emitted after a child was added to `container`.
    /// Usually you should connect with `g_signal_connect_after`
    /// as in the first emission stage, the signal emission might
    /// get stopped internally.
    /// ## `element`
    /// the `TimelineElement` that was added.
    fn connect_child_added<F: Fn(&Self, &TimelineElement) + 'static>(
        &self,
        f: F,
    ) -> SignalHandlerId;

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

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

impl<O: IsA<Container>> GESContainerExt for O {
    fn add<P: IsA<TimelineElement>>(&self, child: &P) -> Result<(), glib::error::BoolError> {
        unsafe {
            glib_result_from_gboolean!(
                ges_sys::ges_container_add(
                    self.as_ref().to_glib_none().0,
                    child.as_ref().to_glib_none().0
                ),
                "Failed to add element"
            )
        }
    }

    fn edit(
        &self,
        layers: &[Layer],
        new_layer_priority: i32,
        mode: EditMode,
        edge: Edge,
        position: u64,
    ) -> Result<(), glib::error::BoolError> {
        unsafe {
            glib_result_from_gboolean!(
                ges_sys::ges_container_edit(
                    self.as_ref().to_glib_none().0,
                    layers.to_glib_none().0,
                    new_layer_priority,
                    mode.to_glib(),
                    edge.to_glib(),
                    position
                ),
                "Failed to edit container"
            )
        }
    }

    fn get_children(&self, recursive: bool) -> Vec<TimelineElement> {
        unsafe {
            FromGlibPtrContainer::from_glib_full(ges_sys::ges_container_get_children(
                self.as_ref().to_glib_none().0,
                recursive.to_glib(),
            ))
        }
    }

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

    fn ungroup(&self, recursive: bool) -> Vec<Container> {
        unsafe {
            FromGlibPtrContainer::from_glib_full(ges_sys::ges_container_ungroup(
                self.as_ref().to_glib_full(),
                recursive.to_glib(),
            ))
        }
    }

    fn get_property_height(&self) -> u32 {
        unsafe {
            let mut value = Value::from_type(<u32 as StaticType>::static_type());
            gobject_sys::g_object_get_property(
                self.to_glib_none().0 as *mut gobject_sys::GObject,
                b"height\0".as_ptr() as *const _,
                value.to_glib_none_mut().0,
            );
            value
                .get()
                .expect("Return Value for property `height` getter")
                .unwrap()
        }
    }

    fn connect_child_added<F: Fn(&Self, &TimelineElement) + 'static>(
        &self,
        f: F,
    ) -> SignalHandlerId {
        unsafe extern "C" fn child_added_trampoline<P, F: Fn(&P, &TimelineElement) + 'static>(
            this: *mut ges_sys::GESContainer,
            element: *mut ges_sys::GESTimelineElement,
            f: glib_sys::gpointer,
        ) where
            P: IsA<Container>,
        {
            let f: &F = &*(f as *const F);
            f(
                &Container::from_glib_borrow(this).unsafe_cast(),
                &from_glib_borrow(element),
            )
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                b"child-added\0".as_ptr() as *const _,
                Some(transmute(child_added_trampoline::<Self, F> as usize)),
                Box_::into_raw(f),
            )
        }
    }

    fn connect_child_removed<F: Fn(&Self, &TimelineElement) + 'static>(
        &self,
        f: F,
    ) -> SignalHandlerId {
        unsafe extern "C" fn child_removed_trampoline<P, F: Fn(&P, &TimelineElement) + 'static>(
            this: *mut ges_sys::GESContainer,
            element: *mut ges_sys::GESTimelineElement,
            f: glib_sys::gpointer,
        ) where
            P: IsA<Container>,
        {
            let f: &F = &*(f as *const F);
            f(
                &Container::from_glib_borrow(this).unsafe_cast(),
                &from_glib_borrow(element),
            )
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                b"child-removed\0".as_ptr() as *const _,
                Some(transmute(child_removed_trampoline::<Self, F> as usize)),
                Box_::into_raw(f),
            )
        }
    }

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