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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::MouseEventBinding;
use dom::bindings::codegen::Bindings::MouseEventBinding::MouseEventMethods;
use dom::bindings::codegen::Bindings::UIEventBinding::UIEventMethods;
use dom::bindings::conversions::Castable;
use dom::bindings::error::Fallible;
use dom::bindings::global::GlobalRef;
use dom::bindings::js::{JS, MutNullableHeap, Root, RootedReference};
use dom::bindings::utils::reflect_dom_object;
use dom::event::{Event, EventBubbles, EventCancelable};
use dom::eventtarget::EventTarget;
use dom::uievent::UIEvent;
use dom::window::Window;
use std::cell::Cell;
use std::default::Default;
use util::prefs;
use util::str::DOMString;
#[dom_struct]
pub struct MouseEvent {
uievent: UIEvent,
screen_x: Cell<i32>,
screen_y: Cell<i32>,
client_x: Cell<i32>,
client_y: Cell<i32>,
ctrl_key: Cell<bool>,
shift_key: Cell<bool>,
alt_key: Cell<bool>,
meta_key: Cell<bool>,
button: Cell<i16>,
related_target: MutNullableHeap<JS<EventTarget>>,
}
impl MouseEvent {
fn new_inherited() -> MouseEvent {
MouseEvent {
uievent: UIEvent::new_inherited(),
screen_x: Cell::new(0),
screen_y: Cell::new(0),
client_x: Cell::new(0),
client_y: Cell::new(0),
ctrl_key: Cell::new(false),
shift_key: Cell::new(false),
alt_key: Cell::new(false),
meta_key: Cell::new(false),
button: Cell::new(0),
related_target: Default::default(),
}
}
pub fn new_uninitialized(window: &Window) -> Root<MouseEvent> {
reflect_dom_object(box MouseEvent::new_inherited(),
GlobalRef::Window(window),
MouseEventBinding::Wrap)
}
pub fn new(window: &Window,
type_: DOMString,
canBubble: EventBubbles,
cancelable: EventCancelable,
view: Option<&Window>,
detail: i32,
screenX: i32,
screenY: i32,
clientX: i32,
clientY: i32,
ctrlKey: bool,
altKey: bool,
shiftKey: bool,
metaKey: bool,
button: i16,
relatedTarget: Option<&EventTarget>) -> Root<MouseEvent> {
let ev = MouseEvent::new_uninitialized(window);
ev.r().InitMouseEvent(type_, canBubble == EventBubbles::Bubbles, cancelable == EventCancelable::Cancelable,
view, detail,
screenX, screenY, clientX, clientY,
ctrlKey, altKey, shiftKey, metaKey,
button, relatedTarget);
ev
}
pub fn Constructor(global: GlobalRef,
type_: DOMString,
init: &MouseEventBinding::MouseEventInit) -> Fallible<Root<MouseEvent>> {
let bubbles = if init.parent.parent.parent.bubbles {
EventBubbles::Bubbles
} else {
EventBubbles::DoesNotBubble
};
let cancelable = if init.parent.parent.parent.cancelable {
EventCancelable::Cancelable
} else {
EventCancelable::NotCancelable
};
let event = MouseEvent::new(global.as_window(), type_,
bubbles,
cancelable,
init.parent.parent.view.r(),
init.parent.parent.detail,
init.screenX, init.screenY,
init.clientX, init.clientY, init.parent.ctrlKey,
init.parent.altKey, init.parent.shiftKey, init.parent.metaKey,
init.button, init.relatedTarget.r());
Ok(event)
}
}
impl MouseEventMethods for MouseEvent {
// https://w3c.github.io/uievents/#widl-MouseEvent-screenX
fn ScreenX(&self) -> i32 {
self.screen_x.get()
}
// https://w3c.github.io/uievents/#widl-MouseEvent-screenY
fn ScreenY(&self) -> i32 {
self.screen_y.get()
}
// https://w3c.github.io/uievents/#widl-MouseEvent-clientX
fn ClientX(&self) -> i32 {
self.client_x.get()
}
// https://w3c.github.io/uievents/#widl-MouseEvent-clientY
fn ClientY(&self) -> i32 {
self.client_y.get()
}
// https://w3c.github.io/uievents/#widl-MouseEvent-ctrlKey
fn CtrlKey(&self) -> bool {
self.ctrl_key.get()
}
// https://w3c.github.io/uievents/#widl-MouseEvent-shiftKey
fn ShiftKey(&self) -> bool {
self.shift_key.get()
}
// https://w3c.github.io/uievents/#widl-MouseEvent-altKey
fn AltKey(&self) -> bool {
self.alt_key.get()
}
// https://w3c.github.io/uievents/#widl-MouseEvent-metaKey
fn MetaKey(&self) -> bool {
self.meta_key.get()
}
// https://w3c.github.io/uievents/#widl-MouseEvent-button
fn Button(&self) -> i16 {
self.button.get()
}
// https://w3c.github.io/uievents/#widl-MouseEvent-relatedTarget
fn GetRelatedTarget(&self) -> Option<Root<EventTarget>> {
self.related_target.get_rooted()
}
// See discussion at:
// - https://github.com/servo/servo/issues/6643
// - https://bugzilla.mozilla.org/show_bug.cgi?id=1186125
// This returns the same result as current gecko.
// https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent/which
fn Which(&self) -> i32 {
if prefs::get_pref("dom.mouseevent.which.enabled").as_boolean().unwrap_or(false) {
(self.button.get() + 1) as i32
} else {
0
}
}
// https://w3c.github.io/uievents/#widl-MouseEvent-initMouseEvent
fn InitMouseEvent(&self,
typeArg: DOMString,
canBubbleArg: bool,
cancelableArg: bool,
viewArg: Option<&Window>,
detailArg: i32,
screenXArg: i32,
screenYArg: i32,
clientXArg: i32,
clientYArg: i32,
ctrlKeyArg: bool,
altKeyArg: bool,
shiftKeyArg: bool,
metaKeyArg: bool,
buttonArg: i16,
relatedTargetArg: Option<&EventTarget>) {
let event: &Event = self.upcast::<Event>();
if event.dispatching() {
return;
}
let uievent: &UIEvent = self.upcast::<UIEvent>();
uievent.InitUIEvent(typeArg, canBubbleArg, cancelableArg, viewArg, detailArg);
self.screen_x.set(screenXArg);
self.screen_y.set(screenYArg);
self.client_x.set(clientXArg);
self.client_y.set(clientYArg);
self.ctrl_key.set(ctrlKeyArg);
self.alt_key.set(altKeyArg);
self.shift_key.set(shiftKeyArg);
self.meta_key.set(metaKeyArg);
self.button.set(buttonArg);
self.related_target.set(relatedTargetArg);
}
}
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