diff options
Diffstat (limited to 'components/script/dom/window.rs')
| -rw-r--r-- | components/script/dom/window.rs | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/components/script/dom/window.rs b/components/script/dom/window.rs index a564d00ee5f..2e6fb487790 100644 --- a/components/script/dom/window.rs +++ b/components/script/dom/window.rs @@ -285,9 +285,20 @@ pub struct Window { /// The Webrender Document id associated with this window. #[ignore_malloc_size_of = "defined in webrender_api"] webrender_document: DocumentId, + + /// Flag to identify whether mutation observers are present(true)/absent(false) + exists_mut_observer: Cell<bool>, } impl Window { + pub fn get_exists_mut_observer(&self) -> bool { + self.exists_mut_observer.get() + } + + pub fn set_exists_mut_observer(&self) { + self.exists_mut_observer.set(true); + } + #[allow(unsafe_code)] pub fn clear_js_runtime_for_script_deallocation(&self) { unsafe { @@ -1814,6 +1825,7 @@ impl Window { test_worklet: Default::default(), paint_worklet: Default::default(), webrender_document, + exists_mut_observer: Cell::new(false), }); unsafe { |