servo/components/script/dom/uievent.rs
Alexander Popiak 0a5ac3b207 implement and use From<bool> for enum and back
implement and use  From<bool> for EventBubbles (and back direction)
implement and use From<bool> for EventCancelable (and back direction)
2016-03-17 22:50:22 +01:00

99 lines
3.3 KiB
Rust

/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
use dom::bindings::codegen::Bindings::EventBinding::EventMethods;
use dom::bindings::codegen::Bindings::UIEventBinding;
use dom::bindings::codegen::Bindings::UIEventBinding::UIEventMethods;
use dom::bindings::error::Fallible;
use dom::bindings::global::GlobalRef;
use dom::bindings::inheritance::Castable;
use dom::bindings::js::Root;
use dom::bindings::js::{JS, MutNullableHeap, RootedReference};
use dom::bindings::reflector::reflect_dom_object;
use dom::event::{Event, EventBubbles, EventCancelable};
use dom::window::Window;
use std::cell::Cell;
use std::default::Default;
use string_cache::Atom;
use util::str::DOMString;
// https://dvcs.w3.org/hg/dom3events/raw-file/tip/html/DOM3-Events.html#interface-UIEvent
#[dom_struct]
pub struct UIEvent {
event: Event,
view: MutNullableHeap<JS<Window>>,
detail: Cell<i32>
}
impl UIEvent {
pub fn new_inherited() -> UIEvent {
UIEvent {
event: Event::new_inherited(),
view: Default::default(),
detail: Cell::new(0),
}
}
pub fn new_uninitialized(window: &Window) -> Root<UIEvent> {
reflect_dom_object(box UIEvent::new_inherited(),
GlobalRef::Window(window),
UIEventBinding::Wrap)
}
pub fn new(window: &Window,
type_: DOMString,
can_bubble: EventBubbles,
cancelable: EventCancelable,
view: Option<&Window>,
detail: i32) -> Root<UIEvent> {
let ev = UIEvent::new_uninitialized(window);
ev.InitUIEvent(type_, bool::from(can_bubble), bool::from(cancelable), view, detail);
ev
}
pub fn Constructor(global: GlobalRef,
type_: DOMString,
init: &UIEventBinding::UIEventInit) -> Fallible<Root<UIEvent>> {
let bubbles = EventBubbles::from(init.parent.bubbles);
let cancelable = EventCancelable::from(init.parent.cancelable);
let event = UIEvent::new(global.as_window(), type_,
bubbles, cancelable,
init.view.r(), init.detail);
Ok(event)
}
}
impl UIEventMethods for UIEvent {
// https://w3c.github.io/uievents/#widl-UIEvent-view
fn GetView(&self) -> Option<Root<Window>> {
self.view.get()
}
// https://w3c.github.io/uievents/#widl-UIEvent-detail
fn Detail(&self) -> i32 {
self.detail.get()
}
// https://w3c.github.io/uievents/#widl-UIEvent-initUIEvent
fn InitUIEvent(&self,
type_: DOMString,
can_bubble: bool,
cancelable: bool,
view: Option<&Window>,
detail: i32) {
let event = self.upcast::<Event>();
if event.dispatching() {
return;
}
event.init_event(Atom::from(type_), can_bubble, cancelable);
self.view.set(view);
self.detail.set(detail);
}
// https://dom.spec.whatwg.org/#dom-event-istrusted
fn IsTrusted(&self) -> bool {
self.event.IsTrusted()
}
}