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/* 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;
use dom::bindings::codegen::Bindings::EventBinding::EventConstants;
use dom::bindings::error::Fallible;
use dom::bindings::js::{JS, JSRef, Temporary};
use dom::bindings::trace::Traceable;
use dom::bindings::utils::{Reflectable, Reflector, reflect_dom_object};
use dom::eventtarget::EventTarget;
use dom::window::Window;
use servo_msg::constellation_msg::WindowSizeData;
use servo_util::str::DOMString;
use std::cell::{Cell, RefCell};
use geom::point::Point2D;
use time;
pub enum Event_ {
ResizeEvent(WindowSizeData),
ReflowEvent,
ClickEvent(uint, Point2D<f32>),
MouseDownEvent(uint, Point2D<f32>),
MouseUpEvent(uint, Point2D<f32>),
MouseMoveEvent(Point2D<f32>)
}
#[deriving(Encodable)]
pub enum EventPhase {
PhaseNone = EventConstants::NONE,
PhaseCapturing = EventConstants::CAPTURING_PHASE,
PhaseAtTarget = EventConstants::AT_TARGET,
PhaseBubbling = EventConstants::BUBBLING_PHASE,
}
#[deriving(PartialEq, Encodable)]
pub enum EventTypeId {
CustomEventTypeId,
HTMLEventTypeId,
KeyEventTypeId,
MouseEventTypeId,
ProgressEventTypeId,
UIEventTypeId
}
#[deriving(Encodable)]
pub struct Event {
pub type_id: EventTypeId,
reflector_: Reflector,
pub current_target: Cell<Option<JS<EventTarget>>>,
pub target: Cell<Option<JS<EventTarget>>>,
type_: Traceable<RefCell<DOMString>>,
pub phase: Traceable<Cell<EventPhase>>,
pub canceled: Traceable<Cell<bool>>,
pub stop_propagation: Traceable<Cell<bool>>,
pub stop_immediate: Traceable<Cell<bool>>,
pub cancelable: Traceable<Cell<bool>>,
pub bubbles: Traceable<Cell<bool>>,
pub trusted: Traceable<Cell<bool>>,
pub dispatching: Traceable<Cell<bool>>,
pub initialized: Traceable<Cell<bool>>,
timestamp: u64,
}
impl Event {
pub fn new_inherited(type_id: EventTypeId) -> Event {
Event {
type_id: type_id,
reflector_: Reflector::new(),
current_target: Cell::new(None),
target: Cell::new(None),
phase: Traceable::new(Cell::new(PhaseNone)),
type_: Traceable::new(RefCell::new("".to_string())),
canceled: Traceable::new(Cell::new(false)),
cancelable: Traceable::new(Cell::new(true)),
bubbles: Traceable::new(Cell::new(false)),
trusted: Traceable::new(Cell::new(false)),
dispatching: Traceable::new(Cell::new(false)),
stop_propagation: Traceable::new(Cell::new(false)),
stop_immediate: Traceable::new(Cell::new(false)),
initialized: Traceable::new(Cell::new(false)),
timestamp: time::get_time().sec as u64,
}
}
pub fn new_uninitialized(global: &JSRef<Window>) -> Temporary<Event> {
reflect_dom_object(box Event::new_inherited(HTMLEventTypeId),
global,
EventBinding::Wrap)
}
pub fn new(global: &JSRef<Window>,
type_: DOMString,
can_bubble: bool,
cancelable: bool) -> Temporary<Event> {
let event = Event::new_uninitialized(global).root();
event.deref().InitEvent(type_, can_bubble, cancelable);
Temporary::from_rooted(&*event)
}
pub fn Constructor(global: &JSRef<Window>,
type_: DOMString,
init: &EventBinding::EventInit) -> Fallible<Temporary<Event>> {
Ok(Event::new(global, type_, init.bubbles, init.cancelable))
}
}
pub trait EventMethods {
fn EventPhase(&self) -> u16;
fn Type(&self) -> DOMString;
fn GetTarget(&self) -> Option<Temporary<EventTarget>>;
fn GetCurrentTarget(&self) -> Option<Temporary<EventTarget>>;
fn DefaultPrevented(&self) -> bool;
fn PreventDefault(&self);
fn StopPropagation(&self);
fn StopImmediatePropagation(&self);
fn Bubbles(&self) -> bool;
fn Cancelable(&self) -> bool;
fn TimeStamp(&self) -> u64;
fn InitEvent(&self, type_: DOMString, bubbles: bool, cancelable: bool);
fn IsTrusted(&self) -> bool;
}
impl<'a> EventMethods for JSRef<'a, Event> {
fn EventPhase(&self) -> u16 {
self.phase.deref().get() as u16
}
fn Type(&self) -> DOMString {
self.type_.deref().borrow().clone()
}
fn GetTarget(&self) -> Option<Temporary<EventTarget>> {
self.target.get().as_ref().map(|target| Temporary::new(target.clone()))
}
fn GetCurrentTarget(&self) -> Option<Temporary<EventTarget>> {
self.current_target.get().as_ref().map(|target| Temporary::new(target.clone()))
}
fn DefaultPrevented(&self) -> bool {
self.canceled.deref().get()
}
fn PreventDefault(&self) {
if self.cancelable.deref().get() {
self.canceled.deref().set(true)
}
}
fn StopPropagation(&self) {
self.stop_propagation.deref().set(true);
}
fn StopImmediatePropagation(&self) {
self.stop_immediate.deref().set(true);
self.stop_propagation.deref().set(true);
}
fn Bubbles(&self) -> bool {
self.bubbles.deref().get()
}
fn Cancelable(&self) -> bool {
self.cancelable.deref().get()
}
fn TimeStamp(&self) -> u64 {
self.timestamp
}
fn InitEvent(&self,
type_: DOMString,
bubbles: bool,
cancelable: bool) {
self.initialized.deref().set(true);
if self.dispatching.deref().get() {
return;
}
self.stop_propagation.deref().set(false);
self.stop_immediate.deref().set(false);
self.canceled.deref().set(false);
self.trusted.deref().set(false);
self.target.set(None);
*self.type_.deref().borrow_mut() = type_;
self.bubbles.deref().set(bubbles);
self.cancelable.deref().set(cancelable);
}
fn IsTrusted(&self) -> bool {
self.trusted.deref().get()
}
}
impl Reflectable for Event {
fn reflector<'a>(&'a self) -> &'a Reflector {
&self.reflector_
}
}
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