diff options
Diffstat (limited to 'components/script/script_thread.rs')
| -rw-r--r-- | components/script/script_thread.rs | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/components/script/script_thread.rs b/components/script/script_thread.rs index 9ab6fd301bc..a8b20b6cf98 100644 --- a/components/script/script_thread.rs +++ b/components/script/script_thread.rs @@ -481,6 +481,9 @@ pub struct ScriptThread { microtask_queue: MicrotaskQueue, + /// Microtask Queue for adding support for mutation observer microtasks + mutation_observer_compound_microtask_queued: Cell<bool>, + /// The unit of related similar-origin browsing contexts' list of MutationObserver objects mutation_observers: DOMRefCell<Vec<JS<MutationObserver>>>, @@ -589,6 +592,20 @@ impl ScriptThread { }) } + pub fn set_mutation_observer_compound_microtask_queued(value: bool) { + SCRIPT_THREAD_ROOT.with(|root| { + let script_thread = unsafe { &*root.get().unwrap() }; + script_thread.mutation_observer_compound_microtask_queued.set(value); + }) + } + + pub fn is_mutation_observer_compound_microtask_queued() -> bool { + SCRIPT_THREAD_ROOT.with(|root| { + let script_thread = unsafe { &*root.get().unwrap() }; + return script_thread.mutation_observer_compound_microtask_queued.get(); + }) + } + pub fn add_mutation_observer(observer: &MutationObserver) { SCRIPT_THREAD_ROOT.with(|root| { let script_thread = unsafe { &*root.get().unwrap() }; @@ -598,6 +615,13 @@ impl ScriptThread { }) } + pub fn get_mutation_observers() -> Vec<Root<MutationObserver>> { + SCRIPT_THREAD_ROOT.with(|root| { + let script_thread = unsafe { &*root.get().unwrap() }; + script_thread.mutation_observers.borrow().iter().map(|o| Root::from_ref(&**o)).collect() + }) + } + pub fn mark_document_with_no_blocked_loads(doc: &Document) { SCRIPT_THREAD_ROOT.with(|root| { let script_thread = unsafe { &*root.get().unwrap() }; @@ -750,6 +774,8 @@ impl ScriptThread { microtask_queue: MicrotaskQueue::default(), + mutation_observer_compound_microtask_queued: Default::default(), + mutation_observers: Default::default(), layout_to_constellation_chan: state.layout_to_constellation_chan, |