Implement GPUUncapturedErrorEvent

components/script/dom/gpuuncapturederrorevent.rs

@@ -0,0 +1,84 @@
+/* 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::EventBinding::EventBinding::EventMethods;
+use crate::dom::bindings::codegen::Bindings::GPUUncapturedErrorEventBinding::{
+    GPUUncapturedErrorEventInit, GPUUncapturedErrorEventMethods,
+};
+use crate::dom::bindings::codegen::Bindings::GPUValidationErrorBinding::GPUError;
+use crate::dom::bindings::reflector::reflect_dom_object;
+use crate::dom::bindings::root::DomRoot;
+use crate::dom::bindings::str::DOMString;
+use crate::dom::event::Event;
+use crate::dom::globalscope::GlobalScope;
+use dom_struct::dom_struct;
+use servo_atoms::Atom;
+
+#[dom_struct]
+pub struct GPUUncapturedErrorEvent {
+    event: Event,
+    #[ignore_malloc_size_of = "Because it is non-owning"]
+    gpu_error: GPUError,
+}
+
+impl GPUUncapturedErrorEvent {
+    fn new_inherited(init: &GPUUncapturedErrorEventInit) -> Self {
+        Self {
+            gpu_error: clone_gpu_error(&init.error),
+            event: Event::new_inherited(),
+        }
+    }
+
+    pub fn new(
+        global: &GlobalScope,
+        type_: DOMString,
+        init: &GPUUncapturedErrorEventInit,
+    ) -> DomRoot<Self> {
+        let ev = reflect_dom_object(
+            Box::new(GPUUncapturedErrorEvent::new_inherited(init)),
+            global,
+        );
+        ev.event.init_event(
+            Atom::from(type_),
+            init.parent.bubbles,
+            init.parent.cancelable,
+        );
+        ev
+    }
+
+    /// https://gpuweb.github.io/gpuweb/#dom-gpuuncapturederrorevent-gpuuncapturederrorevent
+    #[allow(non_snake_case)]
+    pub fn Constructor(
+        global: &GlobalScope,
+        type_: DOMString,
+        init: &GPUUncapturedErrorEventInit,
+    ) -> DomRoot<Self> {
+        GPUUncapturedErrorEvent::new(global, type_, init)
+    }
+}
+
+impl GPUUncapturedErrorEvent {
+    pub fn event(&self) -> &Event {
+        &self.event
+    }
+}
+
+impl GPUUncapturedErrorEventMethods for GPUUncapturedErrorEvent {
+    /// https://gpuweb.github.io/gpuweb/#dom-gpuuncapturederrorevent-error
+    fn Error(&self) -> GPUError {
+        clone_gpu_error(&self.gpu_error)
+    }
+
+    /// https://dom.spec.whatwg.org/#dom-event-istrusted
+    fn IsTrusted(&self) -> bool {
+        self.event.IsTrusted()
+    }
+}
+
+fn clone_gpu_error(error: &GPUError) -> GPUError {
+    match *error {
+        GPUError::GPUValidationError(ref v) => GPUError::GPUValidationError(v.clone()),
+        GPUError::GPUOutOfMemoryError(ref w) => GPUError::GPUOutOfMemoryError(w.clone()),
+    }
+}