Filter out webidl files based on special comments, and feature-gate webxr interfaces. (#34348)

* Filter out webidl files based on skip-if directives.

Signed-off-by: Josh Matthews <josh@joshmatthews.net>

* script: Don't build XR functionality without webxr feature.

Signed-off-by: Josh Matthews <josh@joshmatthews.net>

* Fix tidy.

Signed-off-by: Josh Matthews <josh@joshmatthews.net>

* script: Adjust imports for file movement.

Signed-off-by: Josh Matthews <josh@joshmatthews.net>

* Fix clippy.

Signed-off-by: Josh Matthews <josh@joshmatthews.net>

* Formatting.

Signed-off-by: Josh Matthews <josh@joshmatthews.net>

* Clean up webxr module import.

Co-authored-by: Samson <16504129+sagudev@users.noreply.github.com>
Signed-off-by: Josh Matthews <josh@joshmatthews.net>

---------

Signed-off-by: Josh Matthews <josh@joshmatthews.net>
Co-authored-by: Samson <16504129+sagudev@users.noreply.github.com>

components/script/dom/webxr/xrinputsourceevent.rs

@@ -0,0 +1,116 @@
+/* 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 dom_struct::dom_struct;
+use js::rust::HandleObject;
+use servo_atoms::Atom;
+
+use crate::dom::bindings::codegen::Bindings::EventBinding::Event_Binding::EventMethods;
+use crate::dom::bindings::codegen::Bindings::XRInputSourceEventBinding::{
+    self, XRInputSourceEventMethods,
+};
+use crate::dom::bindings::error::Fallible;
+use crate::dom::bindings::inheritance::Castable;
+use crate::dom::bindings::reflector::{reflect_dom_object_with_proto, DomObject};
+use crate::dom::bindings::root::{Dom, DomRoot};
+use crate::dom::bindings::str::DOMString;
+use crate::dom::event::Event;
+use crate::dom::globalscope::GlobalScope;
+use crate::dom::window::Window;
+use crate::dom::xrframe::XRFrame;
+use crate::dom::xrinputsource::XRInputSource;
+use crate::script_runtime::CanGc;
+
+#[dom_struct]
+pub struct XRInputSourceEvent {
+    event: Event,
+    frame: Dom<XRFrame>,
+    source: Dom<XRInputSource>,
+}
+
+impl XRInputSourceEvent {
+    #[allow(crown::unrooted_must_root)]
+    fn new_inherited(frame: &XRFrame, source: &XRInputSource) -> XRInputSourceEvent {
+        XRInputSourceEvent {
+            event: Event::new_inherited(),
+            frame: Dom::from_ref(frame),
+            source: Dom::from_ref(source),
+        }
+    }
+
+    pub fn new(
+        global: &GlobalScope,
+        type_: Atom,
+        bubbles: bool,
+        cancelable: bool,
+        frame: &XRFrame,
+        source: &XRInputSource,
+        can_gc: CanGc,
+    ) -> DomRoot<XRInputSourceEvent> {
+        Self::new_with_proto(
+            global, None, type_, bubbles, cancelable, frame, source, can_gc,
+        )
+    }
+
+    #[allow(clippy::too_many_arguments)]
+    fn new_with_proto(
+        global: &GlobalScope,
+        proto: Option<HandleObject>,
+        type_: Atom,
+        bubbles: bool,
+        cancelable: bool,
+        frame: &XRFrame,
+        source: &XRInputSource,
+        can_gc: CanGc,
+    ) -> DomRoot<XRInputSourceEvent> {
+        let trackevent = reflect_dom_object_with_proto(
+            Box::new(XRInputSourceEvent::new_inherited(frame, source)),
+            global,
+            proto,
+            can_gc,
+        );
+        {
+            let event = trackevent.upcast::<Event>();
+            event.init_event(type_, bubbles, cancelable);
+        }
+        trackevent
+    }
+}
+
+impl XRInputSourceEventMethods<crate::DomTypeHolder> for XRInputSourceEvent {
+    // https://immersive-web.github.io/webxr/#dom-xrinputsourceevent-xrinputsourceevent
+    fn Constructor(
+        window: &Window,
+        proto: Option<HandleObject>,
+        can_gc: CanGc,
+        type_: DOMString,
+        init: &XRInputSourceEventBinding::XRInputSourceEventInit,
+    ) -> Fallible<DomRoot<XRInputSourceEvent>> {
+        Ok(XRInputSourceEvent::new_with_proto(
+            &window.global(),
+            proto,
+            Atom::from(type_),
+            init.parent.bubbles,
+            init.parent.cancelable,
+            &init.frame,
+            &init.inputSource,
+            can_gc,
+        ))
+    }
+
+    // https://immersive-web.github.io/webxr/#dom-xrinputsourceeventinit-frame
+    fn Frame(&self) -> DomRoot<XRFrame> {
+        DomRoot::from_ref(&*self.frame)
+    }
+
+    // https://immersive-web.github.io/webxr/#dom-xrinputsourceeventinit-inputsource
+    fn InputSource(&self) -> DomRoot<XRInputSource> {
+        DomRoot::from_ref(&*self.source)
+    }
+
+    // https://dom.spec.whatwg.org/#dom-event-istrusted
+    fn IsTrusted(&self) -> bool {
+        self.event.IsTrusted()
+    }
+}