mirror of
https://github.com/servo/servo.git
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113 lines
3.4 KiB
Rust
113 lines
3.4 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 https://mozilla.org/MPL/2.0/. */
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use dom_struct::dom_struct;
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use js::jsapi::Heap;
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use js::jsval::JSVal;
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use js::rust::{HandleObject, HandleValue, MutableHandleValue};
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use stylo_atoms::Atom;
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use crate::dom::bindings::codegen::Bindings::EventBinding::EventMethods;
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use crate::dom::bindings::codegen::Bindings::PopStateEventBinding;
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use crate::dom::bindings::codegen::Bindings::PopStateEventBinding::PopStateEventMethods;
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use crate::dom::bindings::error::Fallible;
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use crate::dom::bindings::inheritance::Castable;
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use crate::dom::bindings::reflector::reflect_dom_object_with_proto;
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use crate::dom::bindings::root::DomRoot;
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use crate::dom::bindings::str::DOMString;
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use crate::dom::bindings::trace::RootedTraceableBox;
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use crate::dom::event::Event;
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use crate::dom::eventtarget::EventTarget;
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use crate::dom::window::Window;
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use crate::script_runtime::{CanGc, JSContext};
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// https://html.spec.whatwg.org/multipage/#the-popstateevent-interface
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#[dom_struct]
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pub(crate) struct PopStateEvent {
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event: Event,
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#[ignore_malloc_size_of = "Defined in rust-mozjs"]
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state: Heap<JSVal>,
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}
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impl PopStateEvent {
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fn new_inherited() -> PopStateEvent {
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PopStateEvent {
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event: Event::new_inherited(),
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state: Heap::default(),
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}
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}
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fn new_uninitialized(
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window: &Window,
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proto: Option<HandleObject>,
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can_gc: CanGc,
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) -> DomRoot<PopStateEvent> {
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reflect_dom_object_with_proto(
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Box::new(PopStateEvent::new_inherited()),
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window,
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proto,
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can_gc,
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)
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}
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fn new(
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window: &Window,
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proto: Option<HandleObject>,
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type_: Atom,
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bubbles: bool,
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cancelable: bool,
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state: HandleValue,
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can_gc: CanGc,
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) -> DomRoot<PopStateEvent> {
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let ev = PopStateEvent::new_uninitialized(window, proto, can_gc);
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ev.state.set(state.get());
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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(crate) fn dispatch_jsval(
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target: &EventTarget,
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window: &Window,
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state: HandleValue,
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can_gc: CanGc,
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) {
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let event =
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PopStateEvent::new(window, None, atom!("popstate"), false, false, state, can_gc);
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event.upcast::<Event>().fire(target, can_gc);
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}
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}
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impl PopStateEventMethods<crate::DomTypeHolder> for PopStateEvent {
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// https://html.spec.whatwg.org/multipage/#popstateevent
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fn Constructor(
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window: &Window,
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proto: Option<HandleObject>,
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can_gc: CanGc,
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type_: DOMString,
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init: RootedTraceableBox<PopStateEventBinding::PopStateEventInit>,
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) -> Fallible<DomRoot<PopStateEvent>> {
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Ok(PopStateEvent::new(
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window,
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proto,
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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.state.handle(),
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can_gc,
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))
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}
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// https://html.spec.whatwg.org/multipage/#dom-popstateevent-state
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fn State(&self, _cx: JSContext, mut retval: MutableHandleValue) {
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retval.set(self.state.get())
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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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