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Use Cell/RefCell for interior mutability of MouseEvent.

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This commit is contained in:
Tetsuharu OHZEKI 2014-05-28 05:56:41 +09:00
parent c03bdac6f0
commit 2215e2ca80
1 changed files with 4 additions and 3 deletions
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7
src/components/script/dom/mouseevent.rs
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@ -12,6 +12,7 @@ use dom::eventtarget::EventTarget;
use dom::uievent::{UIEvent, UIEventMethods};
use dom::window::Window;
use servo_util::str::DOMString;
use std::cell::Cell;
#[deriving(Encodable)]
pub struct MouseEvent {
@ -25,7 +26,7 @@ pub struct MouseEvent {
pub alt_key: bool,
pub meta_key: bool,
pub button: u16,
pub related_target: Option<JS<EventTarget>>
pub related_target: Cell<Option<JS<EventTarget>>>
}
impl MouseEventDerived for Event {
@ -47,7 +48,7 @@ impl MouseEvent {
alt_key: false,
meta_key: false,
button: 0,
related_target: None
related_target: Cell::new(None)
}
}
@ -168,7 +169,7 @@ impl<'a> MouseEventMethods for JSRef<'a, MouseEvent> {
}
fn GetRelatedTarget(&self) -> Option<Temporary<EventTarget>> {
self.related_target.clone().map(|target| Temporary::new(target))
self.related_target.get().clone().map(|target| Temporary::new(target))
}
fn GetModifierState(&self, _keyArg: DOMString) -> bool {