mirror of
https://github.com/servo/servo.git
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113 lines
3.2 KiB
Rust
113 lines
3.2 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::CustomEventBinding;
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use dom::bindings::codegen::Bindings::CustomEventBinding::CustomEventMethods;
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use dom::bindings::codegen::Bindings::EventBinding::EventMethods;
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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::reflector::reflect_dom_object;
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use dom::bindings::root::DomRoot;
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use dom::bindings::str::DOMString;
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use dom::bindings::trace::RootedTraceableBox;
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use dom::event::Event;
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use dom::globalscope::GlobalScope;
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use dom_struct::dom_struct;
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use js::jsapi::{Heap, JSContext};
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use js::jsval::JSVal;
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use js::rust::HandleValue;
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use servo_atoms::Atom;
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// https://dom.spec.whatwg.org/#interface-customevent
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#[dom_struct]
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pub struct CustomEvent {
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event: Event,
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#[ignore_malloc_size_of = "Defined in rust-mozjs"]
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detail: Heap<JSVal>,
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}
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impl CustomEvent {
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fn new_inherited() -> CustomEvent {
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CustomEvent {
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event: Event::new_inherited(),
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detail: Heap::default(),
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}
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}
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pub fn new_uninitialized(global: &GlobalScope) -> DomRoot<CustomEvent> {
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reflect_dom_object(
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Box::new(CustomEvent::new_inherited()),
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global,
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CustomEventBinding::Wrap,
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)
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}
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pub fn new(
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global: &GlobalScope,
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type_: Atom,
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bubbles: bool,
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cancelable: bool,
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detail: HandleValue,
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) -> DomRoot<CustomEvent> {
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let ev = CustomEvent::new_uninitialized(global);
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ev.init_custom_event(type_, bubbles, cancelable, detail);
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ev
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}
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#[allow(unsafe_code)]
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pub fn Constructor(
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global: &GlobalScope,
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type_: DOMString,
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init: RootedTraceableBox<CustomEventBinding::CustomEventInit>,
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) -> Fallible<DomRoot<CustomEvent>> {
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Ok(CustomEvent::new(
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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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init.detail.handle(),
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))
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}
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fn init_custom_event(
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&self,
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type_: Atom,
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can_bubble: bool,
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cancelable: bool,
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detail: HandleValue,
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) {
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let event = self.upcast::<Event>();
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if event.dispatching() {
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return;
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}
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self.detail.set(detail.get());
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event.init_event(type_, can_bubble, cancelable);
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}
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}
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impl CustomEventMethods for CustomEvent {
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#[allow(unsafe_code)]
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// https://dom.spec.whatwg.org/#dom-customevent-detail
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unsafe fn Detail(&self, _cx: *mut JSContext) -> JSVal {
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self.detail.get()
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}
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#[allow(unsafe_code)]
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// https://dom.spec.whatwg.org/#dom-customevent-initcustomevent
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unsafe fn InitCustomEvent(
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&self,
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_cx: *mut JSContext,
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type_: DOMString,
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can_bubble: bool,
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cancelable: bool,
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detail: HandleValue,
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) {
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self.init_custom_event(Atom::from(type_), can_bubble, cancelable, detail)
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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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