script/dom/
beforeunloadevent.rs

1/* This Source Code Form is subject to the terms of the Mozilla Public
2 * License, v. 2.0. If a copy of the MPL was not distributed with this
3 * file, You can obtain one at https://mozilla.org/MPL/2.0/. */
4
5#![allow(dead_code)]
6
7use dom_struct::dom_struct;
8use stylo_atoms::Atom;
9
10use crate::dom::bindings::cell::DomRefCell;
11use crate::dom::bindings::codegen::Bindings::BeforeUnloadEventBinding::BeforeUnloadEventMethods;
12use crate::dom::bindings::codegen::Bindings::EventBinding::EventMethods;
13use crate::dom::bindings::inheritance::Castable;
14use crate::dom::bindings::reflector::reflect_dom_object;
15use crate::dom::bindings::root::DomRoot;
16use crate::dom::bindings::str::DOMString;
17use crate::dom::event::{Event, EventBubbles, EventCancelable};
18use crate::dom::window::Window;
19use crate::script_runtime::CanGc;
20
21// https://html.spec.whatwg.org/multipage/#beforeunloadevent
22#[dom_struct]
23pub(crate) struct BeforeUnloadEvent {
24    event: Event,
25    return_value: DomRefCell<DOMString>,
26}
27
28impl BeforeUnloadEvent {
29    fn new_inherited() -> BeforeUnloadEvent {
30        BeforeUnloadEvent {
31            event: Event::new_inherited(),
32            return_value: DomRefCell::new(DOMString::new()),
33        }
34    }
35
36    pub(crate) fn new_uninitialized(window: &Window, can_gc: CanGc) -> DomRoot<BeforeUnloadEvent> {
37        reflect_dom_object(Box::new(BeforeUnloadEvent::new_inherited()), window, can_gc)
38    }
39
40    pub(crate) fn new(
41        window: &Window,
42        type_: Atom,
43        bubbles: EventBubbles,
44        cancelable: EventCancelable,
45        can_gc: CanGc,
46    ) -> DomRoot<BeforeUnloadEvent> {
47        let ev = BeforeUnloadEvent::new_uninitialized(window, can_gc);
48        {
49            let event = ev.upcast::<Event>();
50            event.init_event(type_, bool::from(bubbles), bool::from(cancelable));
51        }
52        ev
53    }
54}
55
56impl BeforeUnloadEventMethods<crate::DomTypeHolder> for BeforeUnloadEvent {
57    // https://html.spec.whatwg.org/multipage/#dom-beforeunloadevent-returnvalue
58    fn ReturnValue(&self) -> DOMString {
59        self.return_value.borrow().clone()
60    }
61
62    // https://html.spec.whatwg.org/multipage/#dom-beforeunloadevent-returnvalue
63    fn SetReturnValue(&self, value: DOMString) {
64        *self.return_value.borrow_mut() = value;
65    }
66
67    // https://dom.spec.whatwg.org/#dom-event-istrusted
68    fn IsTrusted(&self) -> bool {
69        self.event.IsTrusted()
70    }
71}
script/dom/beforeunloadevent.rs

script/dom/
beforeunloadevent.rs
