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script: Add some workarounds for image cache task races

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This commit is contained in:
Patrick Walton 2014-11-25 22:58:43 -08:00
parent d101c1dd91
commit a200b139b6
5 changed files with 51 additions and 37 deletions
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16
components/script/dom/htmlimageelement.rs
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@ -15,7 +15,7 @@ use dom::element::{Element, HTMLImageElementTypeId};
use dom::element::AttributeHandlers;
use dom::eventtarget::{EventTarget, NodeTargetTypeId};
use dom::htmlelement::HTMLElement;
use dom::node::{Node, ElementNodeTypeId, NodeHelpers, window_from_node};
use dom::node::{Node, ElementNodeTypeId, NodeHelpers, OtherNodeDamage, window_from_node};
use dom::virtualmethods::VirtualMethods;
use servo_net::image_cache_task;
use servo_util::geometry::to_px;
@ -112,7 +112,14 @@ impl<'a> HTMLImageElementMethods for JSRef<'a, HTMLImageElement> {
}
fn Width(self) -> u32 {
// FIXME(pcwalton): This is a really nasty thing to do, but the interaction between the
// image cache task, the reflow messages that it sends to us via layout, and the image
// holders seem to just plain be racy, and this works around it by ensuring that we
// recreate the flow (picking up image changes on the way). The image cache task needs a
// rewrite to modern Rust.
let node: JSRef<Node> = NodeCast::from_ref(self);
node.dirty(OtherNodeDamage);
let rect = node.get_bounding_content_box();
to_px(rect.size.width) as u32
}
@ -123,7 +130,14 @@ impl<'a> HTMLImageElementMethods for JSRef<'a, HTMLImageElement> {
}
fn Height(self) -> u32 {
// FIXME(pcwalton): This is a really nasty thing to do, but the interaction between the
// image cache task, the reflow messages that it sends to us via layout, and the image
// holders seem to just plain be racy, and this works around it by ensuring that we
// recreate the flow (picking up image changes on the way). The image cache task needs a
// rewrite to modern Rust.
let node: JSRef<Node> = NodeCast::from_ref(self);
node.dirty(OtherNodeDamage);
let rect = node.get_bounding_content_box();
to_px(rect.size.height) as u32
}