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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::VRDisplayBinding::VRDisplayMethods;
use crate::dom::bindings::codegen::Bindings::XRBinding::XRSessionMode;
use crate::dom::bindings::codegen::Bindings::XRSessionBinding;
use crate::dom::bindings::codegen::Bindings::XRSessionBinding::XRFrameRequestCallback;
use crate::dom::bindings::codegen::Bindings::XRSessionBinding::XRSessionMethods;
use crate::dom::bindings::codegen::Bindings::XRWebGLLayerBinding::XRWebGLLayerMethods;
use crate::dom::bindings::inheritance::Castable;
use crate::dom::bindings::num::Finite;
use crate::dom::bindings::reflector::reflect_dom_object;
use crate::dom::bindings::root::{Dom, DomRoot, MutNullableDom};
use crate::dom::eventtarget::EventTarget;
use crate::dom::globalscope::GlobalScope;
use crate::dom::vrdisplay::VRDisplay;
use crate::dom::xrlayer::XRLayer;
use crate::dom::xrwebgllayer::XRWebGLLayer;
use dom_struct::dom_struct;
use std::rc::Rc;
#[dom_struct]
pub struct XRSession {
eventtarget: EventTarget,
display: Dom<VRDisplay>,
base_layer: MutNullableDom<XRLayer>,
}
impl XRSession {
fn new_inherited(display: &VRDisplay) -> XRSession {
XRSession {
eventtarget: EventTarget::new_inherited(),
display: Dom::from_ref(display),
base_layer: Default::default(),
}
}
pub fn new(global: &GlobalScope, display: &VRDisplay) -> DomRoot<XRSession> {
reflect_dom_object(
Box::new(XRSession::new_inherited(display)),
global,
XRSessionBinding::Wrap,
)
}
}
impl XRSessionMethods for XRSession {
/// https://immersive-web.github.io/webxr/#dom-xrsession-depthnear
fn DepthNear(&self) -> Finite<f64> {
self.display.DepthNear()
}
/// https://immersive-web.github.io/webxr/#dom-xrsession-depthfar
fn DepthFar(&self) -> Finite<f64> {
self.display.DepthFar()
}
/// https://immersive-web.github.io/webxr/#dom-xrsession-depthnear
fn SetDepthNear(&self, d: Finite<f64>) {
self.display.SetDepthNear(d)
}
/// https://immersive-web.github.io/webxr/#dom-xrsession-depthfar
fn SetDepthFar(&self, d: Finite<f64>) {
self.display.SetDepthFar(d)
}
/// https://immersive-web.github.io/webxr/#dom-xrsession-mode
fn Mode(&self) -> XRSessionMode {
XRSessionMode::Immersive_vr
}
/// https://immersive-web.github.io/webxr/#dom-xrsession-baselayer
fn SetBaseLayer(&self, layer: Option<&XRLayer>) {
self.base_layer.set(layer);
if let Some(layer) = layer {
let layer = layer.downcast::<XRWebGLLayer>().unwrap();
self.display.xr_present(&self, &layer.Context());
} else {
// steps unknown
// https://github.com/immersive-web/webxr/issues/453
}
}
/// https://immersive-web.github.io/webxr/#dom-xrsession-baselayer
fn GetBaseLayer(&self) -> Option<DomRoot<XRLayer>> {
self.base_layer.get()
}
/// https://immersive-web.github.io/webxr/#dom-xrsession-requestanimationframe
fn RequestAnimationFrame(&self, callback: Rc<XRFrameRequestCallback>) -> i32 {
self.display.xr_raf(callback) as i32
}
/// https://immersive-web.github.io/webxr/#dom-xrsession-cancelanimationframe
fn CancelAnimationFrame(&self, frame: i32) {
self.display.xr_cancel_raf(frame)
}
}
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