diff options
Diffstat (limited to 'components/script/microtask.rs')
| -rw-r--r-- | components/script/microtask.rs | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/components/script/microtask.rs b/components/script/microtask.rs index 001262c05e1..43628f46331 100644 --- a/components/script/microtask.rs +++ b/components/script/microtask.rs @@ -9,6 +9,7 @@ use crate::dom::bindings::callback::ExceptionHandling; use crate::dom::bindings::cell::DomRefCell; use crate::dom::bindings::codegen::Bindings::PromiseBinding::PromiseJobCallback; +use crate::dom::bindings::codegen::Bindings::VoidFunctionBinding::VoidFunction; use crate::dom::bindings::root::DomRoot; use crate::dom::globalscope::GlobalScope; use crate::dom::htmlimageelement::ImageElementMicrotask; @@ -34,6 +35,7 @@ pub struct MicrotaskQueue { #[derive(JSTraceable, MallocSizeOf)] pub enum Microtask { Promise(EnqueuedPromiseCallback), + User(UserMicrotask), MediaElement(MediaElementMicrotask), ImageElement(ImageElementMicrotask), CustomElementReaction, @@ -52,6 +54,15 @@ pub struct EnqueuedPromiseCallback { pub pipeline: PipelineId, } +/// A microtask that comes from a queueMicrotask() Javascript call, +/// identical to EnqueuedPromiseCallback once it's on the queue +#[derive(JSTraceable, MallocSizeOf)] +pub struct UserMicrotask { + #[ignore_malloc_size_of = "Rc has unclear ownership"] + pub callback: Rc<VoidFunction>, + pub pipeline: PipelineId, +} + impl MicrotaskQueue { /// Add a new microtask to this queue. It will be invoked as part of the next /// microtask checkpoint. @@ -95,6 +106,11 @@ impl MicrotaskQueue { let _ = job.callback.Call_(&*target, ExceptionHandling::Report); } }, + Microtask::User(ref job) => { + if let Some(target) = target_provider(job.pipeline) { + let _ = job.callback.Call_(&*target, ExceptionHandling::Report); + } + }, Microtask::MediaElement(ref task) => { task.handler(); }, |