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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at https://mozilla.org/MPL/2.0/. */
use crate::dom::bindings::codegen::Bindings::XRFrameBinding;
use crate::dom::bindings::codegen::Bindings::XRFrameBinding::XRFrameMethods;
use crate::dom::bindings::codegen::Bindings::XRViewBinding::XREye;
use crate::dom::bindings::reflector::{reflect_dom_object, DomObject, Reflector};
use crate::dom::bindings::root::{Dom, DomRoot};
use crate::dom::globalscope::GlobalScope;
use crate::dom::xrreferencespace::XRReferenceSpace;
use crate::dom::xrsession::XRSession;
use crate::dom::xrview::XRView;
use crate::dom::xrviewerpose::XRViewerPose;
use dom_struct::dom_struct;
use webvr_traits::WebVRFrameData;
#[dom_struct]
pub struct XRFrame {
reflector_: Reflector,
session: Dom<XRSession>,
#[ignore_malloc_size_of = "defined in rust-webvr"]
data: WebVRFrameData,
}
impl XRFrame {
fn new_inherited(session: &XRSession, data: WebVRFrameData) -> XRFrame {
XRFrame {
reflector_: Reflector::new(),
session: Dom::from_ref(session),
data,
}
}
pub fn new(
global: &GlobalScope,
session: &XRSession,
data: WebVRFrameData,
) -> DomRoot<XRFrame> {
reflect_dom_object(
Box::new(XRFrame::new_inherited(session, data)),
global,
XRFrameBinding::Wrap,
)
}
}
impl XRFrameMethods for XRFrame {
/// https://immersive-web.github.io/webxr/#dom-xrframe-session
fn Session(&self) -> DomRoot<XRSession> {
DomRoot::from_ref(&self.session)
}
/// https://immersive-web.github.io/webxr/#dom-xrframe-getviewerpose
fn GetViewerPose(&self, reference: Option<&XRReferenceSpace>) -> Option<DomRoot<XRViewerPose>> {
// We assume the reference space is eye level for now
// since it's the only one 3DOF devices support
if reference.is_some() {
// it's not possible to obtain a reference
// space at all yet
return None;
}
let left = XRView::new(&self.global(), &self.session, XREye::Left, &self.data);
let right = XRView::new(&self.global(), &self.session, XREye::Right, &self.data);
Some(XRViewerPose::new(&self.global(), &left, &right))
}
}
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