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Extract canvas operations for reuse by OffscreenCanvas.

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This commit is contained in:
Maharsh 2019-05-14 02:15:20 -04:00 • committed by Josh Matthews
parent 6fb7a8cdc7
commit 85c20db495
257 changed files with 1857 additions and 1870 deletions
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15
components/script/dom/globalscope.rs
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@ -20,6 +20,7 @@ use crate::dom::errorevent::ErrorEvent;
use crate::dom::event::{Event, EventBubbles, EventCancelable, EventStatus};
use crate::dom::eventsource::EventSource;
use crate::dom::eventtarget::EventTarget;
use crate::dom::paintworkletglobalscope::PaintWorkletGlobalScope;
use crate::dom::performance::Performance;
use crate::dom::window::Window;
use crate::dom::workerglobalscope::WorkerGlobalScope;
@ -51,6 +52,7 @@ use js::rust::{get_object_class, CompileOptionsWrapper, ParentRuntime, Runtime};
use js::rust::{HandleValue, MutableHandleValue};
use js::{JSCLASS_IS_DOMJSCLASS, JSCLASS_IS_GLOBAL};
use msg::constellation_msg::PipelineId;
use net_traits::image_cache::ImageCache;
use net_traits::{CoreResourceThread, IpcSend, ResourceThreads};
use profile_traits::{mem as profile_mem, time as profile_time};
use script_traits::{MsDuration, ScriptToConstellationChan, TimerEvent};
@ -376,6 +378,19 @@ impl GlobalScope {
&self.origin
}
pub fn image_cache(&self) -> Arc<dyn ImageCache> {
if let Some(window) = self.downcast::<Window>() {
return window.image_cache();
}
if let Some(worker) = self.downcast::<DedicatedWorkerGlobalScope>() {
return worker.image_cache();
}
if let Some(worker) = self.downcast::<PaintWorkletGlobalScope>() {
return worker.image_cache();
}
unreachable!();
}
/// Get the [base url](https://html.spec.whatwg.org/multipage/#api-base-url)
/// for this global scope.
pub fn api_base_url(&self) -> ServoUrl {