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Cleanup RootCollection methods

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The methods `root` and `unroot` should both be unsafe and take
a `*const Reflector`.
This commit is contained in:
Anthony Ramine 2016-05-31 14:52:55 +02:00
parent b45f1918d1
commit d95f5edc2d
1 changed files with 15 additions and 18 deletions
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33
components/script/dom/bindings/js.rs
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@ -495,27 +495,24 @@ impl RootCollection {
}
/// Start tracking a stack-based root
fn root(&self, untracked_reflector: *const Reflector) {
unsafe fn root(&self, untracked_reflector: *const Reflector) {
debug_assert!(thread_state::get().is_script());
unsafe {
let mut roots = &mut *self.roots.get();
roots.push(untracked_reflector);
assert!(!(*untracked_reflector).get_jsobject().is_null())
}
let mut roots = &mut *self.roots.get();
roots.push(untracked_reflector);
assert!(!(*untracked_reflector).get_jsobject().is_null())
}
/// Stop tracking a stack-based root, asserting if the reflector isn't found
fn unroot<T: Reflectable>(&self, rooted: &Root<T>) {
/// Stop tracking a stack-based reflector, asserting if it isn't found.
unsafe fn unroot(&self, tracked_reflector: *const Reflector) {
assert!(!tracked_reflector.is_null());
assert!(!(*tracked_reflector).get_jsobject().is_null());
debug_assert!(thread_state::get().is_script());
unsafe {
let mut roots = &mut *self.roots.get();
let old_reflector = &*rooted.reflector();
match roots.iter().rposition(|r| *r == old_reflector) {
Some(idx) => {
roots.remove(idx);
},
None => panic!("Can't remove a root that was never rooted!"),
}
let mut roots = &mut *self.roots.get();
match roots.iter().rposition(|r| *r == tracked_reflector) {
Some(idx) => {
roots.remove(idx);
},
None => panic!("Can't remove a root that was never rooted!"),
}
}
}
@ -618,7 +615,7 @@ impl<T: Reflectable> Clone for Root<T> {
impl<T: Reflectable> Drop for Root<T> {
fn drop(&mut self) {
unsafe {
(*self.root_list).unroot(self);
(*self.root_list).unroot(self.reflector());
}
}
}