Implement ondatachannel event

components/script/dom/rtcdatachannelevent.rs

@@ -0,0 +1,74 @@
+/* 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::EventMethods;
+use crate::dom::bindings::codegen::Bindings::RTCDataChannelEventBinding::RTCDataChannelEventInit;
+use crate::dom::bindings::codegen::Bindings::RTCDataChannelEventBinding::RTCDataChannelEventMethods;
+use crate::dom::bindings::inheritance::Castable;
+use crate::dom::bindings::reflector::{reflect_dom_object, 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::rtcdatachannel::RTCDataChannel;
+use crate::dom::window::Window;
+use dom_struct::dom_struct;
+use servo_atoms::Atom;
+
+#[dom_struct]
+pub struct RTCDataChannelEvent {
+    event: Event,
+    channel: Dom<RTCDataChannel>,
+}
+
+impl RTCDataChannelEvent {
+    fn new_inherited(channel: &RTCDataChannel) -> RTCDataChannelEvent {
+        RTCDataChannelEvent {
+            event: Event::new_inherited(),
+            channel: Dom::from_ref(channel),
+        }
+    }
+
+    pub fn new(
+        global: &GlobalScope,
+        type_: Atom,
+        bubbles: bool,
+        cancelable: bool,
+        channel: &RTCDataChannel,
+    ) -> DomRoot<RTCDataChannelEvent> {
+        let event = reflect_dom_object(
+            Box::new(RTCDataChannelEvent::new_inherited(&channel)),
+            global,
+        );
+        {
+            let event = event.upcast::<Event>();
+            event.init_event(type_, bubbles, cancelable);
+        }
+        event
+    }
+
+    pub fn Constructor(
+        window: &Window,
+        type_: DOMString,
+        init: &RTCDataChannelEventInit,
+    ) -> DomRoot<RTCDataChannelEvent> {
+        RTCDataChannelEvent::new(
+            &window.global(),
+            Atom::from(type_),
+            init.parent.bubbles,
+            init.parent.cancelable,
+            &init.channel,
+        )
+    }
+}
+
+impl RTCDataChannelEventMethods for RTCDataChannelEvent {
+    fn Channel(&self) -> DomRoot<RTCDataChannel> {
+        DomRoot::from_ref(&*self.channel)
+    }
+
+    fn IsTrusted(&self) -> bool {
+        self.event.IsTrusted()
+    }
+}