use crate::{Caps, Element, Object, Structure};
use glib::{
prelude::*,
signal::{connect_raw, SignalHandlerId},
translate::*,
};
use std::boxed::Box as Box_;
glib::wrapper! {
#[doc(alias = "GstDevice")]
pub struct Device(Object<ffi::GstDevice, ffi::GstDeviceClass>) @extends Object;
match fn {
type_ => || ffi::gst_device_get_type(),
}
}
impl Device {
pub const NONE: Option<&'static Device> = None;
}
unsafe impl Send for Device {}
unsafe impl Sync for Device {}
mod sealed {
pub trait Sealed {}
impl<T: super::IsA<super::Device>> Sealed for T {}
}
pub trait DeviceExt: IsA<Device> + sealed::Sealed + 'static {
#[doc(alias = "gst_device_create_element")]
fn create_element(&self, name: Option<&str>) -> Result<Element, glib::BoolError> {
unsafe {
Option::<_>::from_glib_none(ffi::gst_device_create_element(
self.as_ref().to_glib_none().0,
name.to_glib_none().0,
))
.ok_or_else(|| glib::bool_error!("Failed to create element for device"))
}
}
#[doc(alias = "gst_device_get_caps")]
#[doc(alias = "get_caps")]
fn caps(&self) -> Option<Caps> {
unsafe { from_glib_full(ffi::gst_device_get_caps(self.as_ref().to_glib_none().0)) }
}
#[doc(alias = "gst_device_get_device_class")]
#[doc(alias = "get_device_class")]
fn device_class(&self) -> glib::GString {
unsafe {
from_glib_full(ffi::gst_device_get_device_class(
self.as_ref().to_glib_none().0,
))
}
}
#[doc(alias = "gst_device_get_display_name")]
#[doc(alias = "get_display_name")]
fn display_name(&self) -> glib::GString {
unsafe {
from_glib_full(ffi::gst_device_get_display_name(
self.as_ref().to_glib_none().0,
))
}
}
#[doc(alias = "gst_device_get_properties")]
#[doc(alias = "get_properties")]
fn properties(&self) -> Option<Structure> {
unsafe {
from_glib_full(ffi::gst_device_get_properties(
self.as_ref().to_glib_none().0,
))
}
}
#[doc(alias = "gst_device_has_classes")]
fn has_classes(&self, classes: &str) -> bool {
unsafe {
from_glib(ffi::gst_device_has_classes(
self.as_ref().to_glib_none().0,
classes.to_glib_none().0,
))
}
}
#[doc(alias = "gst_device_has_classesv")]
fn has_classesv(&self, classes: &[&str]) -> bool {
unsafe {
from_glib(ffi::gst_device_has_classesv(
self.as_ref().to_glib_none().0,
classes.to_glib_none().0,
))
}
}
#[doc(alias = "gst_device_reconfigure_element")]
fn reconfigure_element(
&self,
element: &impl IsA<Element>,
) -> Result<(), glib::error::BoolError> {
unsafe {
glib::result_from_gboolean!(
ffi::gst_device_reconfigure_element(
self.as_ref().to_glib_none().0,
element.as_ref().to_glib_none().0
),
"Failed to reconfigure the element to use this device"
)
}
}
#[doc(alias = "removed")]
fn connect_removed<F: Fn(&Self) + Send + Sync + 'static>(&self, f: F) -> SignalHandlerId {
unsafe extern "C" fn removed_trampoline<
P: IsA<Device>,
F: Fn(&P) + Send + Sync + 'static,
>(
this: *mut ffi::GstDevice,
f: glib::ffi::gpointer,
) {
let f: &F = &*(f as *const F);
f(Device::from_glib_borrow(this).unsafe_cast_ref())
}
unsafe {
let f: Box_<F> = Box_::new(f);
connect_raw(
self.as_ptr() as *mut _,
b"removed\0".as_ptr() as *const _,
Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
removed_trampoline::<Self, F> as *const (),
)),
Box_::into_raw(f),
)
}
}
}
impl<O: IsA<Device>> DeviceExt for O {}