auto merge of #2203 : mbrubeck/servo/back-crash, r=jdm

This fixes two `RefCell<T> is already borrowed` failures when reloading an
existing pipeline, both caused by functions trying to modify `Pipeline::url`
or `ScriptTask::url` while a reference to a previous borrow is still in scope.

Note: After applying this patch, there are some painting issues after navigating back.
This commit is contained in:
bors-servo 2014-04-23 14:10:21 -04:00
commit 7326df044c
2 changed files with 11 additions and 13 deletions

View file

@ -202,7 +202,8 @@ impl Pipeline {
}
pub fn reload(&self) {
self.url.borrow().clone().map(|url| {
let url = self.url.borrow().clone();
url.map(|url| {
self.load(url);
});
}

View file

@ -817,13 +817,11 @@ impl ScriptTask {
is a bug.");
let page = page_tree.page();
{
let mut page_url = page.mut_url();
let last_loaded_url = replace(&mut *page_url, None);
let last_loaded_url = replace(&mut *page.mut_url(), None);
for loaded in last_loaded_url.iter() {
let (ref loaded, needs_reflow) = *loaded;
if *loaded == url {
*page_url = Some((loaded.clone(), false));
*page.mut_url() = Some((loaded.clone(), false));
if needs_reflow {
page.damage(ContentChangedDocumentDamage);
page.reflow(ReflowForDisplay, self.chan.clone(), self.compositor);
@ -831,7 +829,6 @@ impl ScriptTask {
return;
}
}
}
let cx = self.js_runtime.cx();
// Create the window and document objects.