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Cleanup ScriptTask::load.

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This commit is contained in:
Ms2ger 2015-02-20 23:07:19 +01:00
parent b589735b47
commit 226e059370
1 changed files with 17 additions and 21 deletions
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38
components/script/script_task.rs
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@ -27,7 +27,6 @@ use dom::element::{Element, ActivationElementHelpers};
use dom::event::{Event, EventHelpers, EventBubbles, EventCancelable};
use dom::uievent::UIEvent;
use dom::eventtarget::EventTarget;
use dom::htmliframeelement::HTMLIFrameElement;
use dom::keyboardevent::KeyboardEvent;
use dom::mouseevent::MouseEvent;
use dom::node::{self, Node, NodeHelpers, NodeDamage};
@ -752,31 +751,28 @@ impl ScriptTask {
fn load(&self, pipeline_id: PipelineId,
parent: Option<(PipelineId, SubpageId)>, load_data: LoadData) {
let url = load_data.url.clone();
debug!("ScriptTask: loading {:?} on page {:?}", url, pipeline_id);
debug!("ScriptTask: loading {} on page {:?}", url.serialize(), pipeline_id);
let borrowed_page = self.page.borrow_mut();
let frame_element = parent.and_then(|(parent_id, subpage_id)| {
// In the case a parent id exists but the matching page
// cannot be found, this means the page exists in a different
// script task (due to origin) so it shouldn't be returned.
// TODO: window.parent will continue to return self in that
// case, which is wrong. We should be returning an object that
// denies access to most properties (per
// https://github.com/servo/servo/issues/3939#issuecomment-62287025).
borrowed_page.find(parent_id).and_then(|page| {
let match_iframe = |&:&node: &JSRef<HTMLIFrameElement>| {
node.subpage_id().map_or(false, |id| id == subpage_id)
};
// In the case a parent id exists but the matching page
// cannot be found, this means the page exists in a different
// script task (due to origin) so it shouldn't be returned.
// TODO: window.parent will continue to return self in that
// case, which is wrong. We should be returning an object that
// denies access to most properties (per
// https://github.com/servo/servo/issues/3939#issuecomment-62287025).
borrowed_page.find(parent_id).and_then(|page| {
let doc = page.frame().as_ref().unwrap().document.root();
let doc: JSRef<Node> = NodeCast::from_ref(doc.r());
let doc = page.frame().as_ref().unwrap().document.root();
let doc: JSRef<Node> = NodeCast::from_ref(doc.r());
doc.traverse_preorder()
.filter_map(|node| HTMLIFrameElementCast::to_ref(node))
.find(match_iframe)
.map(|node| Temporary::from_rooted(ElementCast::from_ref(node)))
})
doc.traverse_preorder()
.filter_map(HTMLIFrameElementCast::to_ref)
.find(|node| node.subpage_id() == Some(subpage_id))
.map(ElementCast::from_ref)
.map(Temporary::from_rooted)
})
}).root();
let page = borrowed_page.find(pipeline_id).expect("ScriptTask: received a load