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Auto merge of #12241 - jdm:multiple-stylesheets, r=notriddle

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Don't load stylesheets in documents without browsing contexts

Per https://github.com/whatwg/html/issues/1495, this fixes the most commonly reported panic in nightlies by making us match what other browsers do.

---
- [X] `./mach build -d` does not report any errors
- [X] `./mach test-tidy` does not report any errors
- [X] These changes fix #12047 (github issue number if applicable).
- [X] There are tests for these changes OR

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---
This change is [<img src="https://reviewable.io/review_button.svg" height="35" align="absmiddle" alt="Reviewable"/>](https://reviewable.io/reviews/servo/servo/12241)
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This commit is contained in:
bors-servo 2016-07-04 22:09:41 -07:00 • committed by GitHub
commit 61491447e2
4 changed files with 54 additions and 0 deletions
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4
components/script/dom/htmllinkelement.rs
View file

@ -194,6 +194,10 @@ impl VirtualMethods for HTMLLinkElement {
impl HTMLLinkElement {
fn handle_stylesheet_url(&self, href: &str) {
let document = document_from_node(self);
if document.browsing_context().is_none() {
return;
}
match document.base_url().join(href) {
Ok(url) => {
let element = self.upcast::<Element>();

6
tests/wpt/metadata/MANIFEST.json
View file

@ -36270,6 +36270,12 @@
"path": "html/browsers/browsing-the-web/navigating-across-documents/empty_fragment.html",
"url": "/html/browsers/browsing-the-web/navigating-across-documents/empty_fragment.html"
}
],
"html/semantics/document-metadata/the-link-element/document-without-browsing-context.html": [
{
"path": "html/semantics/document-metadata/the-link-element/document-without-browsing-context.html",
"url": "/html/semantics/document-metadata/the-link-element/document-without-browsing-context.html"
}
]
}
},

35
tests/wpt/web-platform-tests/html/semantics/document-metadata/the-link-element/document-without-browsing-context.html Normal file
View file

@ -0,0 +1,35 @@
<!doctype html>
<meta charset="utf-8">
<title>Documents without browsing contexts should not load stylesheets</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/common/utils.js"></script>
<body>
<script>
function count(id, t) {
var xhr = new XMLHttpRequest();
xhr.open('GET', 'stylesheet.py?count=1&id=' + id);
xhr.onload = t.step_func_done(function() {
assert_equals(xhr.responseText, "1");
});
xhr.onerror = t.unreached_func();
xhr.send();
}
async_test(function(t) {
var id = token();
var doc = (new DOMParser()).parseFromString('<link rel="stylesheet" href="stylesheet.py?id=' + id + '"></link>', 'text/html');
var link = doc.querySelector('link');
document.head.appendChild(link);
t.step_timeout(function() { count(id, t) }, 500);
}, 'Create a document, adopt the node');
async_test(function(t) {
var id = token();
var d = document.createElement('div');
document.body.appendChild(d);
d.innerHTML = '<link rel="stylesheet" href="stylesheet.py?id=' + id + '"></link>';
t.step_timeout(function() { count(id, t) }, 500);
}, 'Create a stylesheet in innerHTML document');
</script>
</body>

9
tests/wpt/web-platform-tests/html/semantics/document-metadata/the-link-element/stylesheet.py Normal file
View file

@ -0,0 +1,9 @@
def main(request, response):
try:
count = int(request.server.stash.take(request.GET["id"]))
except:
count = 0
if "count" in request.GET:
return str(count)
request.server.stash.put(request.GET["id"], str(count + 1))
return 'body { color: red }'