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Remove the fragment_node field from Page (fixes #3543).

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Since Page isn't reflected, it cannot be rooted, and pointers to JS-managed
objects inside it are not guaranteed to be traced. This may cause the pointer
to become dangling.
This commit is contained in:
Ms2ger 2014-10-02 15:30:22 +02:00
parent 5d335fd524
commit 7508ca94b3
2 changed files with 12 additions and 13 deletions
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16
components/script/script_task.rs
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@ -12,8 +12,7 @@ use dom::bindings::codegen::InheritTypes::{EventTargetCast, NodeCast, EventCast,
use dom::bindings::conversions;
use dom::bindings::conversions::{FromJSValConvertible, Empty};
use dom::bindings::global;
use dom::bindings::js::{JS, JSRef, RootCollection, Temporary, OptionalSettable};
use dom::bindings::js::OptionalRootable;
use dom::bindings::js::{JS, JSRef, RootCollection, Temporary, OptionalRootable};
use dom::bindings::trace::JSTraceable;
use dom::bindings::utils::Reflectable;
use dom::bindings::utils::{wrap_for_same_compartment, pre_wrap};
@ -800,8 +799,6 @@ impl ScriptTask {
document.deref().content_changed();
window.flush_layout(ReflowForDisplay);
let fragment = url.fragment.as_ref().map(|ref fragment| fragment.to_string());
{
// No more reflow required
let mut page_url = page.mut_url();
@ -841,7 +838,7 @@ impl ScriptTask {
let wintarget: JSRef<EventTarget> = EventTargetCast::from_ref(*window);
let _ = wintarget.dispatch_event_with_target(Some(doctarget), *event);
page.fragment_node.assign(fragment.map_or(None, |fragid| page.find_fragment_node(fragid)));
*page.fragment_name.borrow_mut() = url.fragment.clone();
let ConstellationChan(ref chan) = self.constellation_chan;
chan.send(LoadCompleteMsg(page.id, url));
@ -877,8 +874,13 @@ impl ScriptTask {
page.reflow(ReflowForDisplay, self.control_chan.clone(), &*self.compositor)
}
let mut fragment_node = page.fragment_node.get();
match fragment_node.take().map(|node| node.root()) {
let fragment_node = page.fragment_name
.borrow()
.as_ref()
.and_then(|name| {
page.find_fragment_node(name.clone())
}).root();
match fragment_node {
Some(node) => self.scroll_fragment_point(pipeline_id, *node),
None => {}
}