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First part of refactoring constellation to support iframe navigation.

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The history is now recorded per frame, but needs to be exposed in a followup PR.

Also fixes a race condition that occurs loading iframes under heavy CPU load.

This ensures that iframes never do a reflow / layout until they have a valid
window size set from their parent frame.
This commit is contained in:
Glenn Watson
2015-03-13 15:08:02 +10:00
parent 0888a3a16d
commit 939a89568e
11 changed files with 587 additions and 921 deletions
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27
components/script/dom/htmliframeelement.rs
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@@ -63,6 +63,7 @@ pub trait HTMLIFrameElementHelpers {
/// http://www.whatwg.org/html/#process-the-iframe-attributes
fn process_the_iframe_attributes(self);
fn generate_new_subpage_id(self) -> (SubpageId, Option<SubpageId>);
fn navigate_child_browsing_context(self, url: Url);
}
impl<'a> HTMLIFrameElementHelpers for JSRef<'a, HTMLIFrameElement> {
@@ -92,12 +93,7 @@ impl<'a> HTMLIFrameElementHelpers for JSRef<'a, HTMLIFrameElement> {
(subpage_id, old_subpage_id)
}
fn process_the_iframe_attributes(self) {
let url = match self.get_url() {
Some(url) => url.clone(),
None => Url::parse("about:blank").unwrap(),
};
fn navigate_child_browsing_context(self, url: Url) {
let sandboxed = if self.is_sandboxed() {
IFrameSandboxed
} else {
@@ -111,11 +107,20 @@ impl<'a> HTMLIFrameElementHelpers for JSRef<'a, HTMLIFrameElement> {
self.containing_page_pipeline_id.set(Some(window.pipeline()));
let ConstellationChan(ref chan) = window.constellation_chan();
chan.send(ConstellationMsg::ScriptLoadedURLInIFrame(url,
window.pipeline(),
new_subpage_id,
old_subpage_id,
sandboxed)).unwrap();
chan.send(ConstellationMsg::ScriptLoadedURLInIFrame(url,
window.pipeline(),
new_subpage_id,
old_subpage_id,
sandboxed)).unwrap();
}
fn process_the_iframe_attributes(self) {
let url = match self.get_url() {
Some(url) => url.clone(),
None => Url::parse("about:blank").unwrap(),
};
self.navigate_child_browsing_context(url);
}
}