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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 glib::object::IsA;
use glib::translate::*;
use gst_sys;
use Object;

glib_wrapper! {
    /// Memory is usually created by allocators with a `AllocatorExt::alloc`
    /// method call. When `None` is used as the allocator, the default allocator will
    /// be used.
    ///
    /// New allocators can be registered with `Allocator::register`.
    /// Allocators are identified by name and can be retrieved with
    /// `Allocator::find`. `AllocatorExt::set_default` can be used to change the
    /// default allocator.
    ///
    /// New memory can be created with `Memory::new_wrapped` that wraps the memory
    /// allocated elsewhere.
    ///
    /// # Implements
    ///
    /// [`AllocatorExt`](trait.AllocatorExt.html), [`GstObjectExt`](trait.GstObjectExt.html), [`glib::object::ObjectExt`](../glib/object/trait.ObjectExt.html)
    pub struct Allocator(Object<gst_sys::GstAllocator, gst_sys::GstAllocatorClass, AllocatorClass>) @extends Object;

    match fn {
        get_type => || gst_sys::gst_allocator_get_type(),
    }
}

impl Allocator {
    /// Find a previously registered allocator with `name`. When `name` is `None`, the
    /// default allocator will be returned.
    /// ## `name`
    /// the name of the allocator
    ///
    /// # Returns
    ///
    /// a `Allocator` or `None` when
    /// the allocator with `name` was not registered. Use `GstObjectExt::unref`
    /// to release the allocator after usage.
    pub fn find(name: Option<&str>) -> Option<Allocator> {
        assert_initialized_main_thread!();
        unsafe { from_glib_full(gst_sys::gst_allocator_find(name.to_glib_none().0)) }
    }

    /// Registers the memory `allocator` with `name`. This function takes ownership of
    /// `allocator`.
    /// ## `name`
    /// the name of the allocator
    /// ## `allocator`
    /// `Allocator`
    pub fn register<P: IsA<Allocator>>(name: &str, allocator: &P) {
        skip_assert_initialized!();
        unsafe {
            gst_sys::gst_allocator_register(
                name.to_glib_none().0,
                allocator.as_ref().to_glib_full(),
            );
        }
    }
}

unsafe impl Send for Allocator {}
unsafe impl Sync for Allocator {}

pub const NONE_ALLOCATOR: Option<&Allocator> = None;

/// Trait containing all `Allocator` methods.
///
/// # Implementors
///
/// [`Allocator`](struct.Allocator.html)
pub trait AllocatorExt: 'static {
    //fn alloc(&self, size: usize, params: /*Ignored*/Option<&mut AllocationParams>) -> /*Ignored*/Option<Memory>;

    //fn free(&self, memory: /*Ignored*/&mut Memory);

    /// Set the default allocator. This function takes ownership of `self`.
    fn set_default(&self);
}

impl<O: IsA<Allocator>> AllocatorExt for O {
    //fn alloc(&self, size: usize, params: /*Ignored*/Option<&mut AllocationParams>) -> /*Ignored*/Option<Memory> {
    //    unsafe { TODO: call gst_sys:gst_allocator_alloc() }
    //}

    //fn free(&self, memory: /*Ignored*/&mut Memory) {
    //    unsafe { TODO: call gst_sys:gst_allocator_free() }
    //}

    fn set_default(&self) {
        unsafe {
            gst_sys::gst_allocator_set_default(self.as_ref().to_glib_full());
        }
    }
}