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https://github.com/servo/servo.git
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1327ebd52f
It could be used to have mutable JSVal fields without GC barriers. With the removal of that trait, MutHeap and MutNullableHeap can respectively be replaced by MutJS and MutNullableJS.
98 lines
3.2 KiB
Rust
98 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::EventBinding::EventMethods;
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use dom::bindings::codegen::Bindings::UIEventBinding;
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use dom::bindings::codegen::Bindings::UIEventBinding::UIEventMethods;
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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::{MutNullableJS, Root, RootedReference};
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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, EventBubbles, EventCancelable};
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use dom::window::Window;
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use servo_atoms::Atom;
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use std::cell::Cell;
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use std::default::Default;
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// https://w3c.github.io/uievents/#interface-uievent
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#[dom_struct]
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pub struct UIEvent {
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event: Event,
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view: MutNullableJS<Window>,
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detail: Cell<i32>
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}
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impl UIEvent {
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pub fn new_inherited() -> UIEvent {
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UIEvent {
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event: Event::new_inherited(),
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view: Default::default(),
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detail: Cell::new(0),
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}
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}
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pub fn new_uninitialized(window: &Window) -> Root<UIEvent> {
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reflect_dom_object(box UIEvent::new_inherited(),
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window,
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UIEventBinding::Wrap)
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}
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pub fn new(window: &Window,
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type_: DOMString,
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can_bubble: EventBubbles,
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cancelable: EventCancelable,
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view: Option<&Window>,
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detail: i32) -> Root<UIEvent> {
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let ev = UIEvent::new_uninitialized(window);
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ev.InitUIEvent(type_, bool::from(can_bubble), bool::from(cancelable), view, detail);
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ev
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}
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pub fn Constructor(window: &Window,
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type_: DOMString,
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init: &UIEventBinding::UIEventInit) -> Fallible<Root<UIEvent>> {
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let bubbles = EventBubbles::from(init.parent.bubbles);
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let cancelable = EventCancelable::from(init.parent.cancelable);
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let event = UIEvent::new(window,
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type_,
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bubbles, cancelable,
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init.view.r(), init.detail);
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Ok(event)
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}
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}
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impl UIEventMethods for UIEvent {
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// https://w3c.github.io/uievents/#widl-UIEvent-view
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fn GetView(&self) -> Option<Root<Window>> {
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self.view.get()
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}
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// https://w3c.github.io/uievents/#widl-UIEvent-detail
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fn Detail(&self) -> i32 {
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self.detail.get()
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}
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// https://w3c.github.io/uievents/#widl-UIEvent-initUIEvent
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fn InitUIEvent(&self,
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type_: DOMString,
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can_bubble: bool,
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cancelable: bool,
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view: Option<&Window>,
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detail: i32) {
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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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event.init_event(Atom::from(type_), can_bubble, cancelable);
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self.view.set(view);
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self.detail.set(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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