forked from mirrors/gecko-dev
7269bcf046
This is a rebased version of PR #11595 --- <!-- Thank you for contributing to Servo! Please replace each `[ ]` by `[X]` when the step is complete, and replace `__` with appropriate data: --> - [x] `./mach build -d` does not report any errors - [x] `./mach test-tidy` does not report any errors - [x] These changes fix #11485 <!-- Either: --> - [ ] There are tests for these changes OR - [x] These changes do not require tests because: no code logic was changed <!-- Pull requests that do not address these steps are welcome, but they will require additional verification as part of the review process. --> Source-Repo: https://github.com/servo/servo Source-Revision: f70fc6644ddb142627c188ebbde2cc0a0282f9b4
118 lines
4 KiB
Rust
118 lines
4 KiB
Rust
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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use dom::bindings::codegen::Bindings::EventBinding::EventMethods;
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use dom::bindings::codegen::Bindings::MessageEventBinding;
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use dom::bindings::codegen::Bindings::MessageEventBinding::MessageEventMethods;
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use dom::bindings::error::Fallible;
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use dom::bindings::inheritance::Castable;
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use dom::bindings::js::Root;
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use dom::bindings::reflector::reflect_dom_object;
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use dom::bindings::str::DOMString;
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use dom::event::Event;
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use dom::eventtarget::EventTarget;
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use dom::globalscope::GlobalScope;
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use js::jsapi::{HandleValue, Heap, JSContext};
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use js::jsval::JSVal;
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use servo_atoms::Atom;
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use std::default::Default;
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#[dom_struct]
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pub struct MessageEvent {
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event: Event,
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data: Heap<JSVal>,
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origin: DOMString,
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lastEventId: DOMString,
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}
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impl MessageEvent {
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pub fn new_uninitialized(global: &GlobalScope) -> Root<MessageEvent> {
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MessageEvent::new_initialized(global,
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HandleValue::undefined(),
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DOMString::new(),
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DOMString::new())
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}
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pub fn new_initialized(global: &GlobalScope,
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data: HandleValue,
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origin: DOMString,
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lastEventId: DOMString) -> Root<MessageEvent> {
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let mut ev = box MessageEvent {
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event: Event::new_inherited(),
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data: Heap::default(),
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origin: origin,
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lastEventId: lastEventId,
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};
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ev.data.set(data.get());
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reflect_dom_object(ev, global, MessageEventBinding::Wrap)
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}
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pub fn new(global: &GlobalScope, type_: Atom,
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bubbles: bool, cancelable: bool,
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data: HandleValue, origin: DOMString, lastEventId: DOMString)
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-> Root<MessageEvent> {
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let ev = MessageEvent::new_initialized(global, data, origin, lastEventId);
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{
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let event = ev.upcast::<Event>();
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event.init_event(type_, bubbles, cancelable);
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}
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ev
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}
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pub fn Constructor(global: &GlobalScope,
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type_: DOMString,
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init: &MessageEventBinding::MessageEventInit)
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-> Fallible<Root<MessageEvent>> {
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// Dictionaries need to be rooted
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// https://github.com/servo/servo/issues/6381
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rooted!(in(global.get_cx()) let data = init.data);
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let ev = MessageEvent::new(global,
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Atom::from(type_),
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init.parent.bubbles,
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init.parent.cancelable,
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data.handle(),
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init.origin.clone(),
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init.lastEventId.clone());
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Ok(ev)
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}
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}
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impl MessageEvent {
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pub fn dispatch_jsval(target: &EventTarget,
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scope: &GlobalScope,
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message: HandleValue) {
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let messageevent = MessageEvent::new(
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scope,
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atom!("message"),
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false,
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false,
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message,
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DOMString::new(),
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DOMString::new());
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messageevent.upcast::<Event>().fire(target);
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}
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}
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impl MessageEventMethods for MessageEvent {
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#[allow(unsafe_code)]
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// https://html.spec.whatwg.org/multipage/#dom-messageevent-data
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unsafe fn Data(&self, _cx: *mut JSContext) -> JSVal {
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self.data.get()
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}
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// https://html.spec.whatwg.org/multipage/#dom-messageevent-origin
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fn Origin(&self) -> DOMString {
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self.origin.clone()
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}
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// https://html.spec.whatwg.org/multipage/#dom-messageevent-lasteventid
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fn LastEventId(&self) -> DOMString {
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self.lastEventId.clone()
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}
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// https://dom.spec.whatwg.org/#dom-event-istrusted
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fn IsTrusted(&self) -> bool {
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self.event.IsTrusted()
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}
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}
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