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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::XRInputSourceBinding::{
XRHandedness, XRInputSourceMethods, XRTargetRayMode,
};
use crate::dom::bindings::reflector::{reflect_dom_object, DomObject, Reflector};
use crate::dom::bindings::root::{Dom, DomRoot, MutNullableDom};
use crate::dom::globalscope::GlobalScope;
use crate::dom::xrsession::XRSession;
use crate::dom::xrspace::XRSpace;
use crate::realms::enter_realm;
use crate::script_runtime::JSContext;
use dom_struct::dom_struct;
use js::conversions::ToJSValConvertible;
use js::jsapi::Heap;
use js::jsval::{JSVal, UndefinedValue};
use webxr_api::{Handedness, InputId, InputSource, TargetRayMode};
#[dom_struct]
pub struct XRInputSource {
reflector: Reflector,
session: Dom<XRSession>,
#[ignore_malloc_size_of = "Defined in rust-webxr"]
info: InputSource,
#[ignore_malloc_size_of = "Defined in rust-webxr"]
target_ray_space: MutNullableDom<XRSpace>,
#[ignore_malloc_size_of = "Defined in rust-webxr"]
grip_space: MutNullableDom<XRSpace>,
#[ignore_malloc_size_of = "mozjs"]
profiles: Heap<JSVal>,
}
impl XRInputSource {
pub fn new_inherited(session: &XRSession, info: InputSource) -> XRInputSource {
XRInputSource {
reflector: Reflector::new(),
session: Dom::from_ref(session),
info,
target_ray_space: Default::default(),
grip_space: Default::default(),
profiles: Heap::default(),
}
}
#[allow(unsafe_code)]
pub fn new(
global: &GlobalScope,
session: &XRSession,
info: InputSource,
) -> DomRoot<XRInputSource> {
let source = reflect_dom_object(
Box::new(XRInputSource::new_inherited(session, info)),
global,
);
let _ac = enter_realm(&*global);
let cx = global.get_cx();
unsafe {
rooted!(in(*cx) let mut profiles = UndefinedValue());
source.info.profiles.to_jsval(*cx, profiles.handle_mut());
source.profiles.set(profiles.get());
}
source
}
pub fn id(&self) -> InputId {
self.info.id
}
}
impl XRInputSourceMethods for XRInputSource {
/// https://immersive-web.github.io/webxr/#dom-xrinputsource-handedness
fn Handedness(&self) -> XRHandedness {
match self.info.handedness {
Handedness::None => XRHandedness::None,
Handedness::Left => XRHandedness::Left,
Handedness::Right => XRHandedness::Right,
}
}
/// https://immersive-web.github.io/webxr/#dom-xrinputsource-targetraymode
fn TargetRayMode(&self) -> XRTargetRayMode {
match self.info.target_ray_mode {
TargetRayMode::Gaze => XRTargetRayMode::Gaze,
TargetRayMode::TrackedPointer => XRTargetRayMode::Tracked_pointer,
TargetRayMode::Screen => XRTargetRayMode::Screen,
}
}
/// https://immersive-web.github.io/webxr/#dom-xrinputsource-targetrayspace
fn TargetRaySpace(&self) -> DomRoot<XRSpace> {
self.target_ray_space.or_init(|| {
let global = self.global();
XRSpace::new_inputspace(&global, &self.session, &self, false)
})
}
/// https://immersive-web.github.io/webxr/#dom-xrinputsource-gripspace
fn GetGripSpace(&self) -> Option<DomRoot<XRSpace>> {
if self.info.supports_grip {
Some(self.grip_space.or_init(|| {
let global = self.global();
XRSpace::new_inputspace(&global, &self.session, &self, true)
}))
} else {
None
}
}
// https://immersive-web.github.io/webxr/#dom-xrinputsource-profiles
fn Profiles(&self, _cx: JSContext) -> JSVal {
self.profiles.get()
}
}
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