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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::EventBinding::EventMethods;
use crate::dom::bindings::codegen::Bindings::MessageEventBinding;
use crate::dom::bindings::codegen::Bindings::MessageEventBinding::MessageEventMethods;
use crate::dom::bindings::error::Fallible;
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::bindings::trace::RootedTraceableBox;
use crate::dom::event::Event;
use crate::dom::eventtarget::EventTarget;
use crate::dom::globalscope::GlobalScope;
use crate::dom::windowproxy::WindowProxy;
use crate::script_runtime::JSContext;
use dom_struct::dom_struct;
use js::jsapi::{Heap, JSObject};
use js::jsval::JSVal;
use js::rust::HandleValue;
use servo_atoms::Atom;
use std::ptr::NonNull;
#[dom_struct]
pub struct MessageEvent {
event: Event,
#[ignore_malloc_size_of = "mozjs"]
data: Heap<JSVal>,
origin: DOMString,
source: Option<Dom<WindowProxy>>,
lastEventId: DOMString,
}
impl MessageEvent {
pub fn new_uninitialized(global: &GlobalScope) -> DomRoot<MessageEvent> {
MessageEvent::new_initialized(
global,
HandleValue::undefined(),
DOMString::new(),
None,
DOMString::new(),
)
}
pub fn new_initialized(
global: &GlobalScope,
data: HandleValue,
origin: DOMString,
source: Option<&WindowProxy>,
lastEventId: DOMString,
) -> DomRoot<MessageEvent> {
let ev = Box::new(MessageEvent {
event: Event::new_inherited(),
data: Heap::default(),
origin: origin,
source: source.map(Dom::from_ref),
lastEventId: lastEventId,
});
let ev = reflect_dom_object(ev, global, MessageEventBinding::Wrap);
ev.data.set(data.get());
ev
}
pub fn new(
global: &GlobalScope,
type_: Atom,
bubbles: bool,
cancelable: bool,
data: HandleValue,
origin: DOMString,
source: Option<&WindowProxy>,
lastEventId: DOMString,
) -> DomRoot<MessageEvent> {
let ev = MessageEvent::new_initialized(global, data, origin, source, lastEventId);
{
let event = ev.upcast::<Event>();
event.init_event(type_, bubbles, cancelable);
}
ev
}
pub fn Constructor(
global: &GlobalScope,
type_: DOMString,
init: RootedTraceableBox<MessageEventBinding::MessageEventInit>,
) -> Fallible<DomRoot<MessageEvent>> {
let source = init
.source
.as_ref()
.and_then(|inner| inner.as_ref().map(|source| source.window_proxy()));
let ev = MessageEvent::new(
global,
Atom::from(type_),
init.parent.bubbles,
init.parent.cancelable,
init.data.handle(),
init.origin.clone(),
source.as_ref().map(|source| &**source),
init.lastEventId.clone(),
);
Ok(ev)
}
}
impl MessageEvent {
pub fn dispatch_jsval(
target: &EventTarget,
scope: &GlobalScope,
message: HandleValue,
origin: Option<&str>,
source: Option<&WindowProxy>,
) {
let messageevent = MessageEvent::new(
scope,
atom!("message"),
false,
false,
message,
DOMString::from(origin.unwrap_or("")),
source,
DOMString::new(),
);
messageevent.upcast::<Event>().fire(target);
}
}
impl MessageEventMethods for MessageEvent {
// https://html.spec.whatwg.org/multipage/#dom-messageevent-data
fn Data(&self, _cx: JSContext) -> JSVal {
self.data.get()
}
// https://html.spec.whatwg.org/multipage/#dom-messageevent-origin
fn Origin(&self) -> DOMString {
self.origin.clone()
}
// https://html.spec.whatwg.org/multipage/#dom-messageevent-source
fn GetSource(&self, _cx: JSContext) -> Option<NonNull<JSObject>> {
self.source
.as_ref()
.and_then(|source| NonNull::new(source.reflector().get_jsobject().get()))
}
// https://html.spec.whatwg.org/multipage/#dom-messageevent-lasteventid
fn LastEventId(&self) -> DOMString {
self.lastEventId.clone()
}
// https://dom.spec.whatwg.org/#dom-event-istrusted
fn IsTrusted(&self) -> bool {
self.event.IsTrusted()
}
}
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