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/xrinputsourceschangeevent.rs

@@ -0,0 +1,140 @@
+/* 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::jsapi::Heap;
+use js::jsval::JSVal;
+use js::rust::{HandleObject, MutableHandleValue};
+use servo_atoms::Atom;
+
+use crate::dom::bindings::codegen::Bindings::EventBinding::Event_Binding::EventMethods;
+use crate::dom::bindings::codegen::Bindings::XRInputSourcesChangeEventBinding::{
+    self, XRInputSourcesChangeEventMethods,
+};
+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::bindings::utils::to_frozen_array;
+use crate::dom::event::Event;
+use crate::dom::globalscope::GlobalScope;
+use crate::dom::window::Window;
+use crate::dom::xrinputsource::XRInputSource;
+use crate::dom::xrsession::XRSession;
+use crate::realms::enter_realm;
+use crate::script_runtime::{CanGc, JSContext};
+
+#[dom_struct]
+pub struct XRInputSourcesChangeEvent {
+    event: Event,
+    session: Dom<XRSession>,
+    #[ignore_malloc_size_of = "mozjs"]
+    added: Heap<JSVal>,
+    #[ignore_malloc_size_of = "mozjs"]
+    removed: Heap<JSVal>,
+}
+
+impl XRInputSourcesChangeEvent {
+    #[allow(crown::unrooted_must_root)]
+    fn new_inherited(session: &XRSession) -> XRInputSourcesChangeEvent {
+        XRInputSourcesChangeEvent {
+            event: Event::new_inherited(),
+            session: Dom::from_ref(session),
+            added: Heap::default(),
+            removed: Heap::default(),
+        }
+    }
+
+    #[allow(clippy::too_many_arguments)]
+    pub fn new(
+        global: &GlobalScope,
+        type_: Atom,
+        bubbles: bool,
+        cancelable: bool,
+        session: &XRSession,
+        added: &[DomRoot<XRInputSource>],
+        removed: &[DomRoot<XRInputSource>],
+        can_gc: CanGc,
+    ) -> DomRoot<XRInputSourcesChangeEvent> {
+        Self::new_with_proto(
+            global, None, type_, bubbles, cancelable, session, added, removed, can_gc,
+        )
+    }
+
+    #[allow(unsafe_code)]
+    #[allow(clippy::too_many_arguments)]
+    fn new_with_proto(
+        global: &GlobalScope,
+        proto: Option<HandleObject>,
+        type_: Atom,
+        bubbles: bool,
+        cancelable: bool,
+        session: &XRSession,
+        added: &[DomRoot<XRInputSource>],
+        removed: &[DomRoot<XRInputSource>],
+        can_gc: CanGc,
+    ) -> DomRoot<XRInputSourcesChangeEvent> {
+        let changeevent = reflect_dom_object_with_proto(
+            Box::new(XRInputSourcesChangeEvent::new_inherited(session)),
+            global,
+            proto,
+            can_gc,
+        );
+        {
+            let event = changeevent.upcast::<Event>();
+            event.init_event(type_, bubbles, cancelable);
+        }
+        let _ac = enter_realm(global);
+        let cx = GlobalScope::get_cx();
+        rooted!(in(*cx) let mut frozen_val: JSVal);
+        to_frozen_array(added, cx, frozen_val.handle_mut());
+        changeevent.added.set(*frozen_val);
+        to_frozen_array(removed, cx, frozen_val.handle_mut());
+        changeevent.removed.set(*frozen_val);
+        changeevent
+    }
+}
+
+impl XRInputSourcesChangeEventMethods<crate::DomTypeHolder> for XRInputSourcesChangeEvent {
+    // https://immersive-web.github.io/webxr/#dom-xrinputsourceschangeevent-xrinputsourceschangeevent
+    fn Constructor(
+        window: &Window,
+        proto: Option<HandleObject>,
+        can_gc: CanGc,
+        type_: DOMString,
+        init: &XRInputSourcesChangeEventBinding::XRInputSourcesChangeEventInit,
+    ) -> DomRoot<XRInputSourcesChangeEvent> {
+        XRInputSourcesChangeEvent::new_with_proto(
+            &window.global(),
+            proto,
+            Atom::from(type_),
+            init.parent.bubbles,
+            init.parent.cancelable,
+            &init.session,
+            &init.added,
+            &init.removed,
+            can_gc,
+        )
+    }
+
+    // https://immersive-web.github.io/webxr/#dom-xrinputsourceschangeevent-session
+    fn Session(&self) -> DomRoot<XRSession> {
+        DomRoot::from_ref(&*self.session)
+    }
+
+    // https://immersive-web.github.io/webxr/#dom-xrinputsourceschangeevent-added
+    fn Added(&self, _cx: JSContext, mut retval: MutableHandleValue) {
+        retval.set(self.added.get())
+    }
+
+    // https://immersive-web.github.io/webxr/#dom-xrinputsourceschangeevent-removed
+    fn Removed(&self, _cx: JSContext, mut retval: MutableHandleValue) {
+        retval.set(self.removed.get())
+    }
+
+    // https://dom.spec.whatwg.org/#dom-event-istrusted
+    fn IsTrusted(&self) -> bool {
+        self.event.IsTrusted()
+    }
+}