servo/components/script/dom/touchevent.rs
2017-02-24 01:50:51 +01:00

122 lines
4.1 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::TouchEventBinding;
use dom::bindings::codegen::Bindings::TouchEventBinding::TouchEventMethods;
use dom::bindings::codegen::Bindings::UIEventBinding::UIEventMethods;
use dom::bindings::inheritance::Castable;
use dom::bindings::js::{MutJS, Root};
use dom::bindings::reflector::reflect_dom_object;
use dom::bindings::str::DOMString;
use dom::event::{EventBubbles, EventCancelable};
use dom::touchlist::TouchList;
use dom::uievent::UIEvent;
use dom::window::Window;
use dom_struct::dom_struct;
use std::cell::Cell;
#[dom_struct]
pub struct TouchEvent {
uievent: UIEvent,
touches: MutJS<TouchList>,
target_touches: MutJS<TouchList>,
changed_touches: MutJS<TouchList>,
alt_key: Cell<bool>,
meta_key: Cell<bool>,
ctrl_key: Cell<bool>,
shift_key: Cell<bool>,
}
impl TouchEvent {
fn new_inherited(touches: &TouchList,
changed_touches: &TouchList,
target_touches: &TouchList) -> TouchEvent {
TouchEvent {
uievent: UIEvent::new_inherited(),
touches: MutJS::new(touches),
target_touches: MutJS::new(target_touches),
changed_touches: MutJS::new(changed_touches),
ctrl_key: Cell::new(false),
shift_key: Cell::new(false),
alt_key: Cell::new(false),
meta_key: Cell::new(false),
}
}
pub fn new_uninitialized(window: &Window,
touches: &TouchList,
changed_touches: &TouchList,
target_touches: &TouchList) -> Root<TouchEvent> {
reflect_dom_object(box TouchEvent::new_inherited(touches, changed_touches, target_touches),
window,
TouchEventBinding::Wrap)
}
pub fn new(window: &Window,
type_: DOMString,
can_bubble: EventBubbles,
cancelable: EventCancelable,
view: Option<&Window>,
detail: i32,
touches: &TouchList,
changed_touches: &TouchList,
target_touches: &TouchList,
ctrl_key: bool,
alt_key: bool,
shift_key: bool,
meta_key: bool) -> Root<TouchEvent> {
let ev = TouchEvent::new_uninitialized(window, touches, changed_touches, target_touches);
ev.upcast::<UIEvent>().InitUIEvent(type_,
bool::from(can_bubble),
bool::from(cancelable),
view, detail);
ev.ctrl_key.set(ctrl_key);
ev.alt_key.set(alt_key);
ev.shift_key.set(shift_key);
ev.meta_key.set(meta_key);
ev
}
}
impl<'a> TouchEventMethods for &'a TouchEvent {
/// https://w3c.github.io/touch-events/#widl-TouchEvent-ctrlKey
fn CtrlKey(&self) -> bool {
self.ctrl_key.get()
}
/// https://w3c.github.io/touch-events/#widl-TouchEvent-shiftKey
fn ShiftKey(&self) -> bool {
self.shift_key.get()
}
/// https://w3c.github.io/touch-events/#widl-TouchEvent-altKey
fn AltKey(&self) -> bool {
self.alt_key.get()
}
/// https://w3c.github.io/touch-events/#widl-TouchEvent-metaKey
fn MetaKey(&self) -> bool {
self.meta_key.get()
}
/// https://w3c.github.io/touch-events/#widl-TouchEventInit-touches
fn Touches(&self) -> Root<TouchList> {
self.touches.get()
}
/// https://w3c.github.io/touch-events/#widl-TouchEvent-targetTouches
fn TargetTouches(&self) -> Root<TouchList> {
self.target_touches.get()
}
/// https://w3c.github.io/touch-events/#widl-TouchEvent-changedTouches
fn ChangedTouches(&self) -> Root<TouchList> {
self.changed_touches.get()
}
/// https://dom.spec.whatwg.org/#dom-event-istrusted
fn IsTrusted(&self) -> bool {
self.uievent.IsTrusted()
}
}