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Implemented the plumbing for paint worklets.

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This commit is contained in:
Alan Jeffrey 2017-04-03 14:35:57 -05:00
parent 7e273d6c9b
commit fd17dcd604
23 changed files with 600 additions and 156 deletions
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14
components/script/dom/workletglobalscope.rs
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@ -6,6 +6,8 @@ use devtools_traits::ScriptToDevtoolsControlMsg;
use dom::bindings::inheritance::Castable;
use dom::bindings::js::Root;
use dom::globalscope::GlobalScope;
use dom::paintworkletglobalscope::PaintWorkletGlobalScope;
use dom::paintworkletglobalscope::PaintWorkletTask;
use dom::testworkletglobalscope::TestWorkletGlobalScope;
use dom::testworkletglobalscope::TestWorkletTask;
use dom_struct::dom_struct;
@ -92,6 +94,10 @@ impl WorkletGlobalScope {
Some(global) => global.perform_a_worklet_task(task),
None => warn!("This is not a test worklet."),
},
WorkletTask::Paint(task) => match self.downcast::<PaintWorkletGlobalScope>() {
Some(global) => global.perform_a_worklet_task(task),
None => warn!("This is not a paint worklet."),
},
}
}
}
@ -116,8 +122,10 @@ pub struct WorkletGlobalScopeInit {
/// https://drafts.css-houdini.org/worklets/#worklet-global-scope-type
#[derive(Clone, Copy, Debug, HeapSizeOf, JSTraceable)]
pub enum WorkletGlobalScopeType {
/// https://drafts.css-houdini.org/worklets/#examples
/// A servo-specific testing worklet
Test,
/// A paint worklet
Paint,
}
impl WorkletGlobalScopeType {
@ -132,6 +140,8 @@ impl WorkletGlobalScopeType {
match *self {
WorkletGlobalScopeType::Test =>
Root::upcast(TestWorkletGlobalScope::new(runtime, pipeline_id, base_url, init)),
WorkletGlobalScopeType::Paint =>
Root::upcast(PaintWorkletGlobalScope::new(runtime, pipeline_id, base_url, init)),
}
}
}
@ -139,5 +149,5 @@ impl WorkletGlobalScopeType {
/// A task which can be performed in the context of a worklet global.
pub enum WorkletTask {
Test(TestWorkletTask),
Paint(PaintWorkletTask),
}